added section on how to monitor polling (testsuite/profiling/timeout.stp)

[systemtap.git] / ChangeLog

2009-02-10  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (find_variable_and_frame_base): Tolerate -1 return
        value from dwarf_getscope_die.

2009-02-07  Josh Stone  <jistone@redhat.com>

        * buildrun.cxx (compile_pass): Pull in autoconf options in a header
        of #defines rather than -DXXX, and make that header a build dependency.
        * buildrun.cxx (output_autoconf): New function to consolidate the
        computation of each autoconf test.
        * cache.cxx (add_to_cache, get_from_cache, clean_cache): Start treating
        the stapconf header as a first-class cached item.
        * cache.h: Move definitions of things only needed in cache.cxx
        * hash.cxx (find_stapconf_hash): Generate stapconf_name as a .h now.
        * main.cxx (main): Default the stapconf_name based on getpid().

2009-02-06  Josh Stone  <jistone@redhat.com>

        * hash.cxx (find_hash): Compute a separate script-independent hash
        for caching autoconf values, saved in session.stapconf_path.
        * buildrun.cxx (compile_pass): Tweak the Makefile to read/save
        the autoconf values in the cache directory

2009-02-06  Frank Ch. Eigler  <fche@elastic.org>

        * buildrun.cxx: Add STAPCONF_PROCFS_OWNER test.

2009-02-05  Will Cohen <wcohen@redhat.com>

        PR9756.
        * scripts/kernel-doc: Correct productname tag.

2009-02-05  Frank Ch. Eigler  <fche@elastic.org>

        PR9740/9816?
        * buildrun.cxx: Add STAPCONF_VM_AREA autoconf test.

2009-02-04  Mark Wielaard  <mjw@redhat.com>

        * NEWS: process().mark(), sys/sdt.h and dtrace compatibility script.

2009-02-04  Mark Wielaard  <mjw@redhat.com>

        * NEWS: Mention run-stap.

2009-02-04  Mark Wielaard  <mjw@redhat.com>

        * NEWS: Add Beginner Guide.

2009-02-04  Mark Wielaard  <mjw@redhat.com>

        * NEWS: Mention SystemTap Tapset Reference Manual.

2009-02-03  Frank Ch. Eigler  <fche@elastic.org>

        PR6961/9810.
        * tapsets.cxx (common_probe_entryfn_prologue): Revert.
        * translate.cxx (emit_common_header): Revert.

2009-02-03  Dave Brolley  <brolley@redhat.com>

        * NEWS: Update status of client/server.
        * stap-server.8.in: Add description of client/server certificate
        management and tools.
        * stap-server (initialization): Ensure that all server response
        files are created.
        (check_request): Parse the client's command line here.
        (check_comnpatibility): Don't require client/server platform match
        for phases 1-4.
        (fatal,error): Correct quoting typos.
        stap-server.8.in: Add SSL information.
        * stap-stop-server: Use 'ps -e' to list processes.
        * stap-add-server-cert: The directory name now refers to the database
        directly, not the directory below it.
        * stap-serverd: Specify the full database directory name when calling
        stap-add-server-cert.

2009-02-03  Mark Wielaard  <mjw@redhat.com>

        * elaborate.cxx (match_node::find_and_build): Disambiguate error
        messages.

2009-02-02  Stan Cox  <scox@redhat.com>

        * NEWS, stapprobes.5.in: Add process.label.

2009-02-01  Stan Cox  <scox@redhat.com>

        * tapsets.cxx (dwflpp::iterate_over_cu_labels): New.
        (query_cu): Use it. 
        (dwarf_derived_probe::register_patterns): Register .label.

2009-02-01  Mark Wielaard  <mjw@redhat.com>

        * translate.cxx (dump_unwindsyms): Process extra_offset with
        dwfl_module_relocate_address.

2009-01-30  Masami Hiramatsu  <mhiramat@redhat.com>

        PR6936
        * configure.ac (AC_CONFIG_FILES): Add initscript/systemtap.in.
        * configure: Regenerated.
        * systemtap.spec: Add systemtap-initscript subpackage.

2009-01-30  Dave Brolley  <brolley@redhat.com>

        * Makefile.am (install-scripts): New target. Set exec_prefix and
        sysconfdir properly in installed scripts.
        * stap-find-or-start-server: Set exec_prefix and sysconfdir for use
        from the source tree by dejagnu. Leave a hook to modify them when
        installed.
        * stap-start-server: Likewise.
        * stap-client (configuration): Likewise. Check for the existence of the
        default certificate databases before checking their security.
        (parse_options): Issue fatal error if no usable certificate databases
        found or specified.
        (check_db,check_db_file): Check that the database and files are owned
        by the user running the client.
        (fatal): Print "ERROR:" tag here. Adjust all callers.
        * stap-server (initialization): Set exec_prefix and sysconfdir for use
        from the source tree by dejagnu. Leave a hook to modify them when
        installed. Check that all specified files and directories exist.
        (fatal): Print "ERROR:" tag here. Adjust all callers.
        (error): Likewise.
        * stap-serverd (initialization): Set exec_prefix and sysconfdir for use
        from the source tree by dejagnu. Leave a hook to modify them when
        installed.
        (check_db,check_db_file,check_db_cert): Check that the database and
        files are owned by the user running the server.
        (fatal): Print "ERROR:" tag here. Adjust all callers.
        * Makefile.in: Regenerated.
        * aclocal.m4: Regenerated.

2009-01-30  Frank Ch. Eigler  <fche@elastic.org>

        * git_version.sh: Don't print GIT_BRANCH into GIT_MESSAGE, as it
        is local, and "(no branch)" confuses other stuff.  The SHA1 commit
        ID is enough.

2009-01-29  Dave Brolley  <brolley@redhat.com>

        * stap-client (initialization): Set our_host_name and our_domain_name
        here.
        (find_and_connect_to_server): Correct the extraction of a host name
        looked up by ip address. Replace 'localhost' with the actual host name.
        (choose_server): Don't set our_host_name and our_domain_name here.
        Don't change the name of our host to 'localhost' here. Check that
        ahavi has provided the host name. Don't check that avahi has provided
        the ip address. Pass the host name to send_receive.
        (send_receive): Change the name of our host to 'localhost' here.
        (check_db): Add recommended (but not fatal) access permission checks.
        (check_db_file): Likewise.
        * stap-gen-server-cert: Create the certificate database and the
        certificate file with the recommended access permissions.
        * stap-server (initialization): Call check_db to check the security of
        the chosen certificate database.
        (check_db,check_db_file,check_cert_file,warning): New functions.

2009-01-28  Dave Brolley  <brolley@redhat.com>

        * stap-client (initialization): Call check_db to check the security of
        the default certificate databases. Initialize find_all.
        (parse_options): Handle the --server option.
        (process_server): New function.
        (process_ssl): Call check_db to check the security of the specified
        certificate database.
        (find_and_connect_to_server): Create the server's .jar file
        here. Create the connection log file here. Process $specified_servers
        if present. Use $find_all on stap-find-servers. Issue server connection
        error here ...
        (choose_server): ... not here.
        (send_receive): Don't create the server's .jar file here.
        Always check the local certificate databases. Echo the
        name of the database used to successfully authenticate the
        server.
        (check_db,check_db_file): New functions.
        (warning): New function.
        * stap-add-server-cert: Create the client database with 755 permissions.
        * stap-client-connect.c (sslerr.h): #include it.
        (errWarn): Handle SEC_ERROR_BAD_DATABASE and SSL_ERROR_BAD_CERT_DOMAIN.
        (do_connect): Don't call PR_GetHostByName or PR_EnumerateHostEnt.
        (client_main): No longer takes 'hostName' argument. Update all callers.

2009-01-26  Mark Wielaard  <mjw@redhat.com>

        * dtrace: Handle (absense of) -o argument correctly.

2009-01-26  Stan Cox  <scox@redhat.com>

        * tapsets.cxx (find_variable_and_frame_base): Allow for disjoint
        pc and scope_die.
        * runtime/sdt.h: Change label prefix.
        
2009-01-26  Mark Wielaard  <mjw@redhat.com>

        * configure.ac: Check for version.h.in before installing.
        * configure: Regenerated.

2009-01-23  Frank Ch. Eigler  <fche@elastic.org>

        PR9768.
        * tapsets.cxx (translate_location, translate_components,
        translate_final_fetch_or_store, literal_stmt_for_*): Don't pass
        superfluous module_bias down to loc2c code, since it's been
        subtracted out already.

2009-01-23  Mark Wielaard  <mjw@redhat.com>

        * configure.ac: Use install-pkgincludeHEADERS for elfutils to only
        get include-elfutils/elfutils/version.h. And explicitly exit if
        configuring elfutils fails.
        * configure: Regenerated.
        * .gitignore: Add build-elfutils, include-elfutils, lib-elfutils
        and stamp-elfutils.

2009-01-23  Mark Wielaard  <mjw@redhat.com>

        * configure.ac: Use make -k install-data for elfutils.
        * configure: Regenerated.

2009-01-22  David Smith  <dsmith@redhat.com>

        * systemtap.spec: Added 'nss-devel' buildreq so that the 'client'
        subpackage could be built correctly.  Added file-based buildreq
        for xmlto's pdf support, which works on f8, f9, f9, and rhel5.

        * configure.ac: Fixed typo.
        * configure: Regenerated.

2009-01-22  Stan Cox  <scox@redhat.com>

        * dtrace: Rewritten to handle dtrace -h -G
        * runtime/sdt.h: New .probes layout.  Make labels unique, args unused.
        * tapsets.cxx (dwarf_builder::build): New .probes layout.
        Don't reset location->components[0].

2009-01-21  Mark Wielaard  <mjw@redhat.com>

        * configure.ac: Create PIECFLAGS and PIECXXFLAGS, like PIELDFLAGS.
        Don't duplicate -pie in PIELDFLAGS.
        * configure: Regenerated.
        * Makefile.am: Add @PIECFLAGS@ and @PIECXXFLAGS@ to executable
        flags.
        * Makefile.in: Regenerated.

2009-01-21  Mark Wielaard  <mjw@redhat.com>

        * Makefile.am (distclean-local): Remove build-elfutils,
        include-elfutils and lib-elfutils here, not in clean-local.
        * Makefile.in: Regenerated.
        * configure.ac: Only muck with CPPFLAGS and include-elfutils when
        actually building with bundled elfutils.
        * configure: Regenerated.

2009-01-21  Mark Wielaard  <mjw@redhat.com>

        * Makefile.am (clean-local): Remove build-elfutils, include-elfutils
        and lib-elfutils.
        * Makefile.in: Regenerated.
        * aclocal.m4: Regenerated.
        * configure: Regenerated.

2009-01-20  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (dwarf..:visit_target_symbol): Print more data
        for failed $$vars fields to help explain printed "var=?".

2009-01-20  Frank Ch. Eigler  <fche@elastic.org>

        * dwarf_wrappers.cxx (dwfl_assert): Tolerate rc==-1, for which
        dwfl_errmsg(-1)=>NULL.

2009-01-19  Dave Brolley  <brolley@redhat.com>

        * stap-serverd (initialization): Call stap-add-server-cert only if
        it has been installed.

2009-01-13  Stan Cox  <scox@redhat.com>

        * systemtap.spec (sdt-devel): New subpackage.
        * Makefile.am (oldincludedir): New.
        (oldinclude_HEADERS): New.
        (bin_SCRIPTS): Add dtrace
        * Makefile.in: Regenerated.
        * runtime/sduprobes.h: Renamed to sdt.h

2009-01-13  Dave Brolley  <brolley@redhat.com>

        * stap-find-or-start-server,stap-start-server,stap-serverd,stap-server:
        Ensure we call other systemtap tools from the installed location.
        * stap-client: Likewise. Also, use SYSTEMTAP_STAPRUN if it is set.

2009-01-13  Dave Brolley  <brolley@redhat.com>

        * stap-add-server-cert: Failure to make the client database readable
        is now only a warning. Directory argument now refers to the location
        of the 'client' directory.
        * stap-gen-server-cert: Ensure that the certificate is readable by
        all. Warn if unsuccessful. Don't add the certificate to the local
        client-side database.
        * stap-serverd: Call stap-add-server-cert after stap-gen-server-cert.

2009-01-11  Wenji Huang  <wenji.huang@oracle.com>

        * tapsets.cxx (dwarf_derived_probe_group::emit_module_decls): Fix too
        large number on 32-bits machines.
        (uprobe_derived_probe_group::emit_module_decls): Ditto.

2009-01-11  Mark Wielaard  <mjw@redhat.com>

        * configure.ac: Add prefix as STAP_PREFIX for config.h.
        * config.in: Regenerated.
        * configure: Regenerated.

2009-01-09  Elliott Baron  <ebaron@redhat.com>

        * stap.1.in: Added %M info.
        
2009-01-09  Dave Brolley  <brolley@redhat.com>

        * Makefile.am (stamp-ssl): Removed.
        (ssl/server/stap-server.cert): Removed.
        (install-data-local): Don't install $(builddir)/ssl.
        (stap-add-server-cert): Create database directory if it does not
        exist. Ensure the database is readable by others.
        * stap-client (initialization): Initialize local_ssl_dbs and
        public_ssl_dbs. Don't initialize ssl_db.
        (parse_options): Concatenate additional_local_ssl_dbs with
        local_ssl_dbs.
        (process_ssl): Build up additional_local_ssl_dbs in the order
        specified on the command line.
        (choose_server): Set server for non-local domains. Print
        $tmpdir_client/connect to stderr if we can't connect.
        (send_receive): Try connecting to the given server using all of the
        databases in $local_ssl_dbs and $public_ssl_dbs. Keep log in
        $tmpdir_client/connect.
        (interrupt): Use SIGTERM to kill stap-client-connect.
        * stap-client-connect.c (prerror.h,secerror.h): #include them.
        (errWarn): Try to the the error text from NSPR. Handle specific errors
        manually otherwise.
        (handle_connection): Stop processing on write error of the local file.
        (do_connect): Cleanup on error. Call SSL_ForceHandshake to catch
        authentication errors here.
        * stap-gen-server-cert: Don't create the client's database directory.
        * stap-server: Redirect the output of signtool to /dev/null.
        * stap-server-connect.c (handle_connect): Call SSL_ForceHandshake to catch
        authentication errors here. Clean up temp files on error.
        (accept_connection): Don't close the socket on error.
        stap-serverd (initialization): Print a message if the given socket is busy.
        Search for a local certificate database. Create and initialize one if not
        found.
        (listen): Don't discard stderr fomr stap-server-connect.
        * stap-start-server: Check for existence of local certificate database as
        evidence that the server is listening.
        * Makefile.in: Regenerated.

2009-01-08  William Cohen  <wcohen@redhat.com>

        * configure.ac: Check for xmlto that generates pdf.
        * configure: Regenerated.
        
2009-01-07  William Cohen  <wcohen@redhat.com>

        * configure.ac: Add --enable-refdocs configure option and
        set check for xmlto
        * Makefile.in: Regenerated.
        * aclocal.m4: Likewise.
        * configure: Likewise.
        
2009-01-07  Mark Wielaard  <mjw@redhat.com>

        * configure.ac: Warn when not building docs because tools not found.
        * configure: Regenerated.

2009-01-07  Mark Wielaard  <mjw@redhat.com>

        * configure.ac: Add --enable-server configure option and
        set BUILD_SERVER appropriately.
        * Makefile.am (man_MANS, bin_PROGRAMS, bin_SCRIPTS): Only add
        stap-server and friends when BUILD_SERVER set.A
        * Makefile.in: Regenerated.
        * aclocal.m4: Likewise.
        * configure: Likewise.

2009-01-06  Frank Ch. Eigler  <fche@elastic.org>

        PR9699.
        * buildrun.cxx (compile_pass): Add $(LINUXINCLUDES) to autoconf
        trial builds.  Add new autoconf test for task_struct uid->cred switch.

2009-01-06  Dave Brolley  <brolley@redhat.com>

        * systemtap.spec (stap-client): Add stap-add-server-cert,
        stap-client-connect.
        (stap-server): Add stap-server-connect.

2009-01-05  Dave Brolley  <brolley@redhat.com>

        PR9702
        * stap-gen-server-cert: Try mkpasswd, apg and then user_enter_password
        when generating the password for the server certificate/key
        database.
        (user_enter_password): New function.

2008-12-31  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (dump_unwindsyms): Adapt to elfutils build-id
        bug that was fixed in 0.138.
        * configure.ac: Look for elfutils/version.h.
        * config.in, configure: Regenerated.

2008-12-30  Dave Brolley  <brolley@redhat.com>

        PR9692
        From Eugeniy Meshcheryakov <eugen@debian.org>
        * Makefile.am (stap_client_connect_CFLAGS): Use $(nss_CFLAGS) and
        $(nspr_CFLAGS).
        (stap_server_connect_CFLAGS): Likewise.
        * configure.ac: Use PKG_CHECK_MODULES to configure nss and nspr.
        * Makefile.in: Regenerated.
        * aclocal.m4: Regenerated.
        * configure: Regenerated.

2008-12-30  Dave Brolley  <brolley@redhat.com>

        * Makefile.am (install-data-local): Test for existence of $(builddir)/ssl
        before installing it.
        * Makefile.in: Regenerated.

2008-12-29  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (install-data, uninstall-data): Use
        $(DESTDIR)$(sysconfdir) instead of hard-coded /etc paths.

2008-12-26  Dave Brolley  <brolley@redhat.com>

        * Makefile.am (stamp-ssl): Disable automatic building of this target.
        * Makefile.in: Regenerated.

2008-12-24  Dave Brolley  <brolley@redhat.com>

        * stap-client (netcat): Removed.
        (initialization): Initialize ssl_db.
        (parse_options): Handle the --ssl option.
        (process_ssl): New function.
        (send_request): Removed.
        (receive_response): Removed.
        (unpack_response): Use signtool to verify the contents of the
        server's response against a local copy of the server's
        certificate.
        (find_and_connect_to_server): Make sure the server is referred to
        as localhost if it is running on the local host. Call send_receive
        in order to contact the server and perform the transaction.
        (connect_to_server): Removed.
        (disconnect_from_server): Removed.
        (send_receive): New function.
        (process_response): Work in $tmpdir_server.
        (terminate, interrupt): Kill any running stap-client-connect.
        * stap-find-or-start-server: Pass arguments to stap-start-server.
        * stap-start-server: Pass arguments to stap-serverd.
        * stap-server (port): Removed.
        (netcat): Removed.
        (receive_request): Removed.
        (unpack_request): Use unzip.
        (package_response): Use signtool to sign the response into a .jar
        archive.
        (send_response): Removed.
        * stap-serverd (netcat): Removed.
        (port1): Removed.
        (initialize): Don't call recursively. Use a loop to select a port.
        (listen): Call stap-server-connect.
        (process_request): Removed.
        (terminate): Kill any running stap-server-connect job.
        * systemtap.spec: client and server sub packages require nss and nss-tools,
        and no longer require nc or net-tools.
        * Makefile.am (bin_PROGRAMS): Add stap-client-connect and
        stap-server-connect.
        (bin_SCRIPTS): Add stap-gen-server-cert.
        (stap_client_connect_LDFLAGS, stap_server_connect_LDFLAGS): New.
        (stamp-ssl): New target.
        (ssl/server/stap-server.cert): New target.
        (stap_client_connect_*): New.
        (stap_server_connect_*): New.
        (install-data-local): Install /etc/systemtap/ssl.
        (uninstall-local): Remove /etc/systemtap.
        * Makefile.in: Regenerated.
        * aclocal.m4: Regenerated.

2008-12-22  Masami Hiramatsu  <mhiramat@redhat.com>

        PR7090
        * buildrun.cxx (compile_pass): Use flags macro to expand KBUILD_CFLAGS
        for support kernels built with O= option.

2008-12-21  Will Cohen <wcohen@redhat.com>

        * systemtap.spec: Add generations of tapset reference manual material.
        
2008-12-21  Stan Cox  <scox@redhat.com>

        * tapsets.cxx (dwflpp::die_has_pc): Don't abort if dwarf_ranges fails.
        (dwflpp::find_variable_and_frame_base): A pc requires dwarf_nscopes

2008-12-19  Elliott Baron  <ebaron@redhat.com>

        PR3668
        * elaborate.cxx: Handling for %M.
        * runtime/vsprintf.c: Likewise.
        * staptree.cxx: Likewise.
        * translate.cxx: Likewise.
        * staptree.h: Added %M converter, conv_memory_hex, to enum

2008-12-16  Roland McGrath  <roland@redhat.com>

        * systemtap.spec (Requires): Add kernel-devel, is correct virtual
        provide in kernel-*-devel rpms.
        (with_sqlite): Typo fix in default defn check.
        [%{with_sqlite}] (Requires): Remove.  BuildRequires causes the correct
        automatic dependency.

2008-12-16  Stan Cox  <scox@redhat.com>

        * tapsets.cxx (dwarf_builder::build): Consider alignment when
        fetching .probes values.  Convert .mark to .statement(0x) instead
        of .statement(foo.c:N)

2008-12-11  Dave Brolley  <brolley@redhat.com>

        PR7087
        * stap-client: Don't use -d on netcat. Redirect from /dev/null instead.
        * stap-server: Likewise.
        * stap-serverd: Likewise.

2008-12-09  Frank Ch. Eigler  <fche@elastic.org>

        PR6961
        * tapsets.cxx (common_probe_entryfn_prologue): Add new "fakeregs"
        param.  Set context regs_buffer with plausible dummy values if needed.
        Update callers.
        (mark_builder::build): Add kernel to unwindsyms_modules.
        * translate.cxx (emit_common_header): Add pt_regs regs_buffer field
        to context.

2008-12-09  Dave Brolley  <brolley@redhat.com>

        PR7087
        * stap-client: Use netcat or nc, whichever is available.
        * stap-server: Likewise.
        * stap-serverd: Likewise.

2008-12-08  David Smith  <dsmith@redhat.com>

        RHBZ 474390
        * tapsets.cxx (dwflpp::cu_function_caching_callback): Handles NULL
        return from dwarf_diename().
        (dwflpp::print_locals): Ditto.
        (dwflpp::find_variable_and_frame_base): Ditto.
        (dwflpp::literal_stmt_for_return): Ditto.
        (dwarf_builder::build): Ditto.

2008-12-08  Frank Ch. Eigler  <fche@elastic.org>

        PR7062
        * buildrun.cxx (uprobes_home): Make local, based on
        session.runtime_path.

2008-12-05  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx, translate.cxx: Set default elfutils debuginfo_path
        to start with "+", to enable debuginfo<->stripped checksum checking.
        * stap.1.in: Note this.

2008-12-05  Kent Sebastian  <ksebasti@redhat.com>

        PR7051
        * doc/langref.tex, elaborate.cxx, runtime/vsprintf.c,
        stap.1.in, staptree.cxx, staptree.h, translate.cxx:
        Remove printf %n directive and references to it in documentation.

2008-12-03  Roland McGrath  <roland@redhat.com>

        PR6925
        * run-stap.in: New file.
        * configure.ac: Generate run-stap from it.
        * configure: Regenerated.

        PR7063
        * buildrun.cxx (run_pass): Obey SYSTEMTAP_STAPRUN environment variable.

2008-12-03  Frank Ch. Eigler  <fche@elastic.org>

        PR6925
        * configure.ac: Suggest --prefix if configured without.
        * configure: Regenerated.

2008-12-03  Frank Ch. Eigler  <fche@elastic.org>

        PR 5982: rename -B to -r
        * main.cxx (main): Treat -r REV and -r /PATH as complimentary.
        Imply -p4 if target mismatches host versions.
        (usage): Document -r more.
        * hash.cxx (find_hash): Add in the kernel_build_tree.
        * buildrun.cxx (compile_pass, kernel_built_uprobes): Simplify
        logic.
        * tapsets.cxx (setup_kernel, setup_user): Ditto.
        * translate.cxx (emit_symbol_data): Ditto.
        * stap.1.in: Document -r /PATH.

2008-12-01  Rajan Arora  <rarora@redhat.com>

        PR 5892: Add -B and parameterize all occurences of /lib/modules/...
        * buildrun.cxx (compile_pass, kernel_built_uprobes): Audit
        mentions of /lib/modules/... with path to kernel_build_tree
        provided by -B.
        * tapsets.cxx (setup_kernel, setup_user, mark_builder::build):
        Likewise.
        * translate.cxx (emit_symbol_data): Likewise.
        * session.h (struct systemtap_session): New member kernel_build_tree.
        * main.cxx (main): Add case for 'B' and attempt to fetch Version for
        the kernel build tree using include/config/kernel.release in build
        path, remove -r REV implies -p4 logic altogether.


2008-11-29  Frank Ch. Eigler  <fche@elastic.org>

        Warnings cleanup.
        * buildrun.cxx (verify_uprobes_uptodate, make_uprobes): Simplify
        messages.
        * cache.cxx (add_to_cache, clean_cache): Reset s.use_cache upon
        failure.
        * hash.cxx (find_hash): Ditto.
        * main.cxx (main): Simplify/conditionalize warning messages.  Save
        module to $cwd if last_pass==4 but cache encountered errors.

2008-11-28  Frank Ch. Eigler  <fche@elastic.org>

        PR 6965.
        * translate.cxx (dump_unwindsyms): Tweak symbols for
        STP_NEED_{SYMBOL,UNWIND}_DATA

2008-11-28  Elliott Baron  <ebaron@redhat.com>

        PR 6965.
        * translate.cxx (dump_unwindsyms): Output #ifdef for
        symbol table.

2008-11-28  Frank Ch. Eigler  <fche@elastic.org>

        PR 5376.
        * parse.cxx (parse::parse_probe): Prevent alias names from
        being marked "?" or "!".

2008-11-28  Frank Ch. Eigler  <fche@elastic.org>

        PR 6477.
        * elaborate.cxx (print_error_source, print_warning): Tolerate
        NULL token.

2008-11-27  Frank Ch. Eigler  <fche@elastic.org>

        PR 7036
        From Wenji Huang <wenji.huang@oracle.com>:
        * elaborate.cxx (print_error): Don't suppress if listings_mode.
        * main.cxx (main): Suppress "pass N failed" if listings_mode.

2008-11-26  Stan Cox  <scox@redhat.com>

        * tapsets.cxx (dwarf_builder::build): Support debuginfo static uprobes.

2008-11-26  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (emit_module_exit): Add another synchronize_sched.

2008-11-26  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (main): Advise users to try '--vp ...' after a pass error.

2008-11-26  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (emit_module_exit): Call synchronize_sched during
        module shutdown if it's available.
        * buildrun.cxx (compile_pass): Test for it.

2008-11-25  Frank Ch. Eigler  <fche@elastic.org>

        PR 7046.
        * tapsets.cxx (uprobe*emit_module_decls): Rewrite the generated
        stap_uprobe_change function, to hold mutex for a shorter period
        and to produce more meaningful KERN_INFO traces if -DDEBUG_UPROBES.
        (uprobe*emit_module_exit): Switch to KERN_INFO also.

2008-11-25  Will Cohen <wcohen@redhat.com>

        * scripts/kernel-doc: Clean up SystemTap function formatting.

2008-11-25  Will Cohen <wcohen@redhat.com>

        * scripts/kernel-doc: Make executable.

2008-11-25  Will Cohen <wcohen@redhat.com>

        * scripts/kernel-doc: New.
        * configure.ac: Add doc/SystemTap_Tapset_Reference/Makefile.
        * configure, doc/SystemTap_Tapset_Reference/Makefile.in: Regenerate.

2008-11-25  Mark Wielaard  <mjw@redhat.com>

        * tapsets.cxx (dwarf_derived_probe_group::emit_module_exit):
        struct stap_dwarf_probe field is called pp, not pp_name.

2008-11-24  Kent Sebastian  <ksebasti@redhat.com>

        PR 4978.
        * stap.1.in (PRINTING): printf directives, more examples.

2008-11-22  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (MAXUPROBES): Tweak its definition.  Use it
        consistently.
        * stap.1.in (MAXUPROBES): Document it.

2008-11-22  Frank Ch. Eigler  <fche@elastic.org>

        PR 5689.
        * tapsets.cxx (dwarf_derived_probe_group::emit_module_exit,decls):
        Print kprobe missed stats if STP_TIMING.
        (uprobe_derived_probe_group::emit_module_exit,declx): Track
        uprobe missed stats if STP_TIMING>
        * translate.cxx (emit_module_exit): Print uprobe missed stats.

2008-11-21  Frank Ch. Eigler  <fche@elastic.org>

        PR 5689.
        * tapsets.cxx (common_probe_entryfn_{pro,epi}logue):
        Track separate skip counts for low-stack and reentrancy conditions.
        * translate.cxx (emit_common_header): Declare counters.
        (emit_module_exit): Print them.
        (emit_unlocks): Don't bother redundantly testing skipped_count.

2008-11-21  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (emit_module_exit): Perform shutdown probe
        synchronization after all unregistrations and end/error probe
        runs.

2008-11-20  Frank Ch. Eigler  <fche@elastic.org>

        PR 5689
        * translate.cxx (emit_global, emit_global_init, emit_module_exit,
        emit_locks): Track & print global.s_VAR_lock_skip_count.

2008-11-20  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (main): Correct thinko in --vp option with <5 arg chars.

2008-11-18  Jim Keniston  <jkenisto@us.ibm.com>

        PR 6879
        * runtime/uprobes2/uprobes_x86.c: Allow probing of instructions
        with fs: and gs: prefixes.  Apply fix from runtime/uprobes.

2008-11-18  Frank Ch. Eigler  <fche@elastic.org>

        PR6925.
        * main.cxx (usage,main): Process new --vp option.
        * session.h (perpass_verbose): New field.

2008-11-11  Stan Cox  <scox@redhat.com>

        * Makefile.am (pkglib_LIBRARIES): New.
        * Makefile.in: Regenerated
        * stapprobes.5.in (process.mark): New.
        * tapsets.cxx (register_patterns):  Add process.mark.
        (dwarf_builder::build): Likewise.

2008-11-14  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (common_probe_entryfn_{pro,epi}logue):
        Set "interruptible" to default true, thus disabling local_irq_*
        calls for all current probe point types.

2008-11-13  Wenji Huang  <wenji.huang@oracle.com>

        PR 7000
        * translate.cxx (c_unparser::visit_print_format): Add checking bound
        for actual parameters.

2008-11-13  Frank Ch. Eigler  <fche@elastic.org>

        * systemtap.spec, configure.ac: Bump version to 0.8.
        * configure.in: Regenerated.

2008-11-11  Przemysław Pawełczyk <przemyslaw@pawelczyk.it>
            Mark Wielaard <mjw@redhat.com>

        * tapsets.cxx (find_variable_and_frame_base): Add scope name to
        semantic error messages if available.

2008-11-06  Wenji Huang  <wenji.huang@oracle.com>

        PR 6998
        * tapsets.cxx (profile_builder): Add default kernel symbols to profile.

2008-11-06  Stan Cox  <scox@redhat.com>

        * tapsets.cxx (dwflpp::module_address_to_global):
        ET_EXEC needs no further relocation.

2008-11-04  Frank Ch. Eigler  <fche@elastic.org>

        From Masami Hiramatsu <mhiramat@redhat.com>, PR 6028.
        * tapsets.cxx (dwarf_derived_probe): New field access_vars, for
        tracking result from ..
        (dwarf_var_expanding_copy_visitor): Collect a flag about whether
        any $expressions appear within.
        (emit_probe_local_init): ... and run ia64 bspcache() on if true.

2008-11-03  Jim Keniston  <jkenisto@us.ibm.com>

        Add a version of uprobes that works with the 2.6.27 version of utrace.
        * runtime/uprobes2/uprobes.[ch]: uprobes2
        * runtime/uprobes2/uprobes_x86.[ch]: Simplified to use post-2.6.24
        unified pt_regs names ("ax" rather than "eax" or "rax").
        * runtime/uprobes2/uprobes_arch.[ch]: Pull in the arch-specific
        file from the appropriate directory.
        * runtime/uprobes/uprobes.[ch]: #ifdef added to pull in file from
        ../uprobes2 if we're running the new utrace.
        * runtime/uprobes/Makefile: Updated
        * Makefile.am: Install runtime/uprobes2/*.
        * Makefile.in: Regenerated
        * buildrun.cxx: Always copy uprobes's Module.symvers into the
        directory where stap builds the script .ko.

2008-11-03  Mark Wielaard  <mjw@redhat.com>

        * tapsets.cxx (literal_stmt_for_return): Add function name and file
        to semantic error messages.

2008-10-29  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (dump_unwindsyms): Work on CONFIG_RELOCATABLE=n
        kernels, or for whatever other scenarios dwfl_module_relocation_info
        might return NULL.

2008-10-27  Josh Stone  <joshua.i.stone@intel.com>

        * translate.cxx (c_unparser::visit_print_format): Fix the argument passed
        for printf %c formats.

2008-10-27  Rajan Arora  <rarora@redhat.com>

        * elaborate.cxx (add_global_var_display): Added check for globals
        from tapsets.

2008-10-24  Josh Stone  <joshua.i.stone@intel.com>

        * tapsets.cxx (hrtimer_derived_probe_group::emit_module_decls): Support
        the new abstractions around the hrtimer expires field.  The field is
        renamed starting in 2.6.28-rc1, but accessor functions are provided for
        general access.
        * buildrun.cxx (compile_pass): Added autoconf-hrtimer-getset-expires.c

2008-10-24  Jim Keniston  <jkenisto@us.ibm.com>

        PR6946
        * tapsets.cxx: Allow probing of 32-bit ppc apps with
        a ppc64 kernel.

2008-10-20      Elliott Baron  <ebaron@redhat.com>

        PR6851
        * elaborate.cxx (typeresolution_info::visit_print_format): add case
        for conv_char.
        * staptree.cxx (print_format::components_to_string): add case for
        conv_char.
        (print_format::string_to_components): add parsing for "c"       conversion.
        * staptree.h (enum conversion_type): add conv_char member.

2008-10-17  Frank Ch. Eigler  <fche@elastic.org>

        * stap-report: Add kernel config extracts.  Generate to stdout.
        * Makefile.am (bin_SCRIPTS): Install it.
        * systemtap.spec: Package it.
        * Makefile.in: Regenerated.

2008-10-17  Jim Keniston  <jkenisto@us.ibm.com>

        PR6923
        * runtime/autoconf-oneachcpu-retry.c: Compiles successfully on
        old kernels.

2008-10-14  Kent Sebastian  <ksebasti@redhat.com>

        * cache.cxx (cache_clean): Minor changes, mainly stylistic.
        * session.h: remove cache_max member var (used only in cache.cxx now)

2008-10-10  Frank Ch. Eigler  <fche@elastic.org>

        PR6749
        * tapsets.cxx (dwarf_derived_probe_group::emit_module_init): Tolerate
        failed register_*kprobe during initialization; warn instead.

2008-10-10  Kent Sebastian  <ksebasti@redhat.com>

        * cache.cxx (cache_clean): New group of functions implementing cache
        size limiting.

2008-10-09  Rajan Arora   <rarora@redhat.com>

        * elaborate.cxx (systemtap_session::print_error_source): New.
        (systemtap_session::print_error): Call it.
        (systemtap_session::print_warning): Likewise.
        * parse.cxx (parser::print_error): Likewise.
        * session.h (struct systemtap_session::print_error_source):
        Declare it.
        * parse.cxx (lexer::get_input_contents): New.
        (parser::parse): Call it.
        (lexer::set_current_file): New.
        (parser::parse): Call it.
        * parse.h (class lexer::get_input_contents): Declare it.
        (class lexer::set_current_file): Declare it.
        (class lexer): New member current_file.
        (class lexer): Update input_contents from vector<char>
        to std::string.
        (struct source_loc): New member stap_file.
        * staptree.h (struct stapfile): New member file_contents.

2008-10-09  Stan Cox  <scox@redhat.com>

        * tapsets.cxx (query_cu): Fix typo.

2008-10-06  Wenji Huang  <wenji.huang@oracle.com>

        PR 4886
        * translate.cxx (dump_unwindsyms): Extract build-id from debuginfo.
        (emit_module_init): Check build-id if able.

2008-10-03  Jim Keniston  <jkenisto@us.ibm.com>

        PR 6850
        * runtime/uprobes/uprobes.c: When a probed process forks with
        uretprobe_instances outstanding, create a uprobe_process and
        uprobe_task for the child, and clone the uretprobe_instances.
        This requires us to allow the SSOL vma to be copied on fork.
        * testsuite/systemtap.base/bz6850.{exp,c,stp}: new test case

2008-09-30  Mark Wielaard  <mjw@redhat.com>

        * tapsets.cxx (literal_stmt_for_local): Check if alternatives can be
        provided after calling dwarf_formref_die.
        (literal_stmt_for_return): Likewise.

2008-09-26  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (add_global_var_display): Implicitly sort arrays.

2008-09-26  Frank Ch. Eigler  <fche@elastic.org>

        PR 6916
        * elaborate.cxx (systemtap_session::print_error): Fix
        duplicate elimination in face of token compression.
        * tapsets.cxx (literal_stmt_for_local, literal_stmt_for_return):
        Change error message to fit old pattern.

2008-09-26  Frank Ch. Eigler  <fche@elastic.org>

        BZ 6829: avoid calling unregister_uprobe() when responding
        to a task-finder exec/exit callback, as uprobes likes to
        clean such things up by itself.

2008-09-12  Prerna Saxena  <prerna@linux.vnet.ibm.com>

        BZ 3016 : Handling members of anonymous structs/unions
        * tapsets.cxx (translate_components, print_members) : enable
        translator to identify members of anonymous structs / unions.
        * testsuite/semok/thirtythree.stp : New test-case.
        * NEWS : Modify translator code to identify members of anonymous
        structs/unions.

2008-09-24  Mark Wielaard  <mjw@redhat.com>

        * dwarf_wrappers.cxx (dwfl_assert(string,bool)): Call
        dwfl_assert(string,int), not dwarf_assert().

2008-09-12  Dave Brolley  <brolley@redhat.com>

        * stap-client (staprun_PATH): Ensure that $first_stap is not empty.
        * stap-start-server: Use 'ps' to check that the server started.

2008-09-12  Masami Hiramatsu <mhiramat@redhat.com>

        BZ 6028
        * tapsets.cxx (dwarf_derived_probe::emit_probe_local_init): Use REG_IP
        instead of pp to check probe address.

2008-09-12  Frank Ch. Eigler  <fche@elastic.org>

        GCC 4.4 (var-tracking) build-compatilibity.
        * parse.h: #include <stdint.h>.
        * tapsets.cxx (utrace_...::visit_target_symbol_arg): Use
        lex_cast<int>(foo) instead of atoi(foo.c_str()) for simpler
        c++ object lifetime.
        * Makefile.am (staprun_CFLAGS, stapio_CFLAGS): Add
        -fno-strict-aliasing, since that code is too casual with pointers.
        * Makefile.in: Regenerated.

2008-09-12  Dave Brolley  <brolley@redhat.com>

        PR6881.
        From Eugeniy Meshcheryakov eugen@debian.org:
        * stap-server.8.in: Correct formatting problems.

2008-09-12  Dave Brolley  <brolley@redhat.com>

        * stap-find-servers (match_server): Don't read past the start of the
        next server description. Don't use '^' at the start of the regexp
        on calls to 'expr'.
        * systemtap.spec: client and server sub packages require avahi.

2008-09-12  Wenji Huang <wenji.huang@oracle.com>

        * elaborate.cxx (add_global_var_display): Don't, in listing mode.

2008-09-11  Frank Ch. Eigler  <fche@elastic.org>

        PR 6871.
        * tapsets.cxx (query_cu): Search for prologues for user-space probes.
        (query_func_info): Use prologue_end if available; silently back down
        to entrypc probing if needed.

2008-09-10  Josh Stone  <joshua.i.stone@intel.com>

        * main.cxx (printscript): Ensure no variables are printed in probe lists
        unless -L was specified.

2008-09-10  Frank Ch. Eigler  <fche@elastic.org>

        * parse.cxx, parse.h: Rewrite scanner lookahead data structure
        to a simple ~fixed vector.

2008-09-10  Frank Ch. Eigler  <fche@elastic.org>

        PR6876: translator speedup for many $vars
        * session.h (systemtap_session.functions): vector->map.
        * coveragedb.cxx, elaborate.cxx, main.cxx, tapsets.cxx, translate.cxx:
        Adapt all users.

2008-09-10  Mark Wielaard  <mjw@redhat.com>

        * configure.ac: Check for dwarf_getelf. elfutils 0.126+.
        Use AM_PROG_MKDIR_P instead of AC_PROG_MKDIR_P.
        * Makefile.in: Regenerated.
        * aclocal.m4: Likewise.
        * config.in: Likewise.
        * configure: Likewise.

2008-09-10  Dave Brolley  <brolley@redhat.com>

        * systemtap.spec: Remove avahi-tools and nc from dependencies
        for systemtap and systemtap-runtime packages. Remove stap-*
        scripts from %files of systemtap and systemtap-runtime
        packages.  Make sure systemattap-runtime only picks up
        staprun.8* man pages. Create new systemtap-client and
        systemtap-server packages.
        * NEWS: Add network security warning for the systemtap
        client/server.

2008-09-10  Mark Wielaard  <mjw@redhat.com>

        * translate.cxx (dump_unwindsyms): Rename module_base output to
        dwarf_module_base.

2008-09-10  Mark Wielaard  <mjw@redhat.com>

        * translate.cxx (dump_unwindsyms): Output module_base.

2008-09-10  Mark Wielaard  <mjw@redhat.com>

        * translate.cxx (get_unwind_data): New function.
        (dump_unwindsyms): Output unwind data.

2008-09-09  Masami Hiramatsu  <mhiramat@redhat.com>

        * stapprobes.5.in: Added a description about $return.
        * NEWS: Ditto.
        * tapsets.cxx (utrace_var_expanding_copy_visitor): Change
        visit_target_symbol_syscall() to visit_target_symbol_context().
        (utrace_var_expanding_copy_visitor::visit_target_symbol_context):
        Handle not only $syscall but also $return.
        (utrace_var_expanding_copy_visitor::visit_target_symbol): Ditto.

2008-09-09  Masami Hiramatsu  <mhiramat@redhat.com>

        * stapprobes.5.in: Added a description about $argN.
        * NEWS: Ditto.
        * tapsets.cxx (utrace_var_expanding_copy_visitor): Added
        visit_target_symbol_arg() and visit_target_symbol_syscall().
        (visit_target_symbol_arg): New function for handling $argN.
        (visit_target_symbol_syscall): New function for handling $syscall.
        (visit_target_symbol): Use visit_target_symbol_arg() and
        visit_target_symbol_syscall().

2008-09-09  Masami Hiramatsu  <mhiramat@redhat.com>

        * stapprobes.5.in : Added a line for $name context variable.
        * translate.cxx (c_unparser::emit_common_header): Add marker_name and
        marker_format fields to context.
        * tapsets.cxx (common_probe_entryfn_prologue) : Ditto.
        (mark_derived_probe_group::emit_module_decls) : Ditto.
        (mark_var_expanding_copy_visitor) : change visit_target_symbol_format
        to visit_target_symbol_context.
        (mark_var_expanding_copy_visitor::visit_target_symbol_context): handle
        not only $format but also $name.
        (mark_var_expanding_copy_visitor::visit_target_symbol): Ditto.

2008-09-07  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (build_blacklist): Add some x86 raw port-io spots.

2008-09-06  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (utrace_derived_probe ctor): Handle
        process.* probe point reverse engineering (pid- and path-less).

2008-09-05  Stan Cox  <scox@redhat.com>

        * elaborate.cxx (add_global_var_display): Handle scalar statistics.

2008-09-05  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac, Makefile.am, systemtap.spec: Don't look for libcap.
        * configure, Makefile.in: Regenerated.

2008-09-05  Wenji Huang  <wenji.huang@oracle.com>

        PR 6731.
        * main.cxx (usage,main,printscript): Improve listing mode with "-L".
        * stap.1.in, stapex.5.in: Document it.

2008-09-04  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (usage): Remove some dwarfless items.

2008-09-02  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (uprobe..emit_module_init): Leave dying-uprobe
        loop as early as possible.

2008-09-02  Stan Cox  <scox@redhat.com>

        * elaborate.cxx (add_global_var_display): Simplify token use.

2008-09-02  Frank Ch. Eigler  <fche@elastic.org>

        PR4225.
        * tapsets.cxx (generated stap_uprobe_change): Fix major thinko that
        falsely triggered a slew of uprobe_unregister's for each plain
        register.
        (uprobe_derived_probe_group::emit_module_init): Add code to generate
        printk's for uprobe activities, if -DDEBUG_UPROBES.

2008-09-02  Frank Ch. Eigler  <fche@elastic.org>

        PR4225 merge.
        * tapsets.cxx: Add prototype user-space probing support.  Collateral
        damage breaks symbol-table-only (dwarfless) probing, PR6864.
        (setup_user, setup_kernel): Split & reorganized.
        (class uprobe_derived_probe): Nearly all new code.
        (base_query): Add "has_module" and "has_process" flags.
        (dwarf_builder): Add "user_dw" map.
        (dwarf_query::add_probe_point): Use ".dynamic" pseudo-reloc-base for
        ET_DYN modules; ".absolute" for ET_EXEC.
        (register_patterns): Register process(...) uprobe-based probes.
        (task_finder_derived_probe_group::create_session_group): Let runtime
        code assert CONFIG_UTRACE.
        (base_query ctor, dwarf_builder::build, itrace_builder,
        utrace_derived_probe): Use find_executable() to resolve FOO path in
        process("FOO").
        (utrace_derived_probe ctor): Reverse-engineer probe point.
        * main.cxx (main): Don't override $PATH etc.
        * util.cxx (find_executable): Reorganize, simplify, canonicalize.
        * util.h, hash.cxx: Corresponding changes.

2008-09-02  Wenji Huang  <wenji.huang@oracle.com>

        * tapsets.cxx (query_func_info): Disable prologue searching in
        no-dwarf testing.

2008-09-01  Stan Cox  <scox@redhat.com>

        * elaborate.cxx (add_global_var_display): Also handle statistics.

2008-08-29  Dave Brolley  <brolley@redhat.com>

        * stap-server.8.in: New man page.
        * NEWS: Announce the availability of the client/server.
        * Makefile.am (man_MANS): Add stap-server.8.
        * configure.ac (AC_CONFIG_FILE): Add stap-server.8.
        * Makefile.in: Regenerated.
        * configure: Regenerated.

2008-08-29  Stan Cox  <scox@redhat.com>

        * elaborate.cxx (add_global_var_display): Repopulate symbol/type info.

2008-08-29  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl):
        Pushed quiesce logic down into the task_finder layer.
        (utrace_derived_probe_group::emit_module_decls): Removed quiesce
        handler routines.  Syscall probe handler detaches if systemtap
        state isn't correct.

2008-08-29  Wenji Huang <wenji.huang@oracle.com>

        * main.cxx (printscript): Print variable name and type for listing mode.

2008-08-28  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (add_global_var_display): Render array indexes
        in [key,key,key] vs. [key][key][key] form.

2008-08-27  Stan Cox  <scox@redhat.com>

        * elaborate.cxx (add_global_var_display): New.
        (semantic_pass): Call it.
        (dead_assignment_remover::visit_assignment): Don't remove written
        but unread global variables.
        * NEWS, stap.1.in: Document

2008-08-26  David Smith  <dsmith@redhat.com>

        * buildrun.cxx (compile_pass): Added autoconf-dpath-path.c.

        * Makefile.am: Simplified "rpm" target a bit.
        * Makefile.in: Regenerated.

        * Makefile.am: Moved tar archive creation step from "rpm" target
        into "dist-gzip" target.
        * Makefile.in: Regenerated.

2008-08-25  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (AUTOMAKE_OPTIONS): Add "no-dist".  Remove all
        "make dist"-oriented targets and macros.
        (rpm): Rewrite.  Allow parametrization with RPMBUILDFLAGS=.
        * Makefile.in: Regenerated.
        * systemtap.spec: Make configuration macros at top overridable.

2008-08-25  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_derived_probe_group::emit_module_init): Make
        sure we count the number of utrace probes correctly.
        (utrace_derived_probe_group::emit_module_exit): Ditto.

2008-08-25  Dave Brolley  <brolley@redhat.com>

        * Makefile.am (installcheck): Remove $(EXTRA_SYSTEMTAP_PATH) from
        invocation of $(MAKE).
        * Makefile.in: Regenerated.
        * aclocal.m4: Regenerated.
        * stap-client (parse_options): Don't quote an argument if it is already
        quoted.
        (send_request): Timeout after 10 seconds.
        (receive_response): Timeout after 5 minutes.
        (choose_server): Add missing $ to variable reference.
        (connect_to_server): Timeout after 10 seconds.
        * stap-server (receive_request): Don't check for a "request:"
        message. Timeout after 10 seconds.
        (send_response): Timeout after 10 seconds.
        * stap-serverd (initialization): Remove tmpdir_prefix_serverd and
        port2. No need for a temp directory.
        (listen): Fifo no longer necessary. Call nc and pipe the output to
        process_request in the background.
        (process_request): New function.
        (fatal): Kill stap-server followed by nc. No tmpdir to remove.

2008-08-24  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (query_statement): Leave empty string for unknown file
        name.
        (dwarf_derived_probe ctor): Don't synthesize "@filename:lineno"
        probe point pieces for unknown files/lines.

2008-08-21  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (itrace_derived_probe_group::emit_module_decls):
        Updated task finder callback function signature.
        (utrace_derived_probe_group::emit_module_decls): Ditto.

2008-08-20  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl):
        Supports original and new utrace interfaces.
        (utrace_derived_probe_group::emit_module_decls): Ditto.

2008-08-20  Dave Brolley  <brolley@redhat.com>

        * stap-client: Ignore SIGHUP and SIGPIPE.
        (initialization): Set b_specified.:
        (parse_options): Handle the -b option. Quote $stap_arg. Use process_m.
        (process_m): New function.
        (process_o): Set stdout_redirection to simply the filename.
        (process_response): Obtain the exit code from stap on the server side.
        Copy the module to the current directory if -m was specified.
        Call stream_output.
        (stream_output): It's back.
        (maybe_call_staprun): Print status messages for -v. Leave v_level
        unchanged. Pass -o option to staprun. Wait until the staprun job
        disappears.
        (terminate): Redirect message to stderr.
        (interrupt): Only kill staprun if it's still running. Call cleanup
        if exiting.
        (ignore_signal): New function.
        * stap-server (receive_request): Quote the job specifier.
        (send_response): Likewise.
        (read_data_file): Use read to check the first line. Use cat the read
        the entire file.
        * stap-serverd (listen): Quote job specifier.
        (terminate): Likewise.

2008-08-19  David Smith  <dsmith@redhat.com>

        PR 6841
        * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl):
        Workaround utrace bug by quiescing threads before attaching a
        utrace syscall engine to them.
        (utrace_derived_probe_group::emit_module_decls): Emit quiesce
        handler.

2008-08-18  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (register_standard_tapsets): Add missing
        'process.syscall' and 'process.syscall.return' bindings.

2008-08-16  Mark Wielaard  <mjw@redhat.com>

        * configure.ac (build_elfutils): Mention possible distro
        specific elfutils development sub-packages needed when not found.

2008-08-15  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_builder::build): Change system-wide probes
        from 'process("*").begin' to 'process.begin'.
        (register_standard_tapsets): Add new 'process' binding.
        * stapprobes.5.in: Change system-wide probes
        from 'process("*").begin' to 'process.begin'.

2008-08-15  Frank Ch. Eigler  <fche@elastic.org>

        PR 6836
        * tapsets.cxx (dwarf_var...visit_target_symbol): Emit
        "return=0xf00" instead of "$return=0xf00" for $$return,
        for consistency with other variables.
        * NEWS, stapprobes.5.in: Update.

2008-08-15  Frank Ch. Eigler  <fche@elastic.org>

        PR 6836.
        * tapsets.cxx (dwarf_var...visit_target_symbol): Show
        "var=?" for unlocatable variables.  Support $$return.
        Make sure $$parms/etc. work in .return probes too.
        * testsuite/semok/thirtytwo.stp: New test.
        * NEWS, stapprobes.5.in: Document them.

2008-08-15  Michael Meeks  <michael.meeks@novell.com>

        * configure.ac: suggest (SUSE) package name for dwfl.

        * buildrun.cxx (compile_pass): if extremely verbose, pass through
        output from stap checks - helps to debug generic test compile
        problems.

2008-08-14  Dave Brolley  <brolley@redhat.com>

        PR 6834
        * stap-client (initialization): initialize staprun_running.
        (send_request): No server response message required.
        (receive_response): No server response message required. Simply
        receive the tar file. The tar file should contain a file called 'rc'.
        (connect_to_server): Use 'nc'.
        (disconnect_from_server): No action required.
        (process_response): Renamed from 'stream_output'. Obtain the exit
        code from the 'rc' file.
        (maybe_call_staprun): set 'staprun_running' while staprun is running.
        (check_server_error): Removed.
        (server_fatal): Removed.
        (cleanup): Redirect stderr of 'kill' to /dev/null.
        (interrupt): Pass SIGINT on to staprun, if it is running. Otherwise,
        exit.
        * stap-server (initialization): Create the server temp directory here...
        (unpack_request): ... not here.
        (receive_request): Don't send a ready message.
        (create_response): Write the exit code of 'stap' to the 'rc' file.
        (send_response): Don't send a status message.
        (fatal,error): Redirect to $tmpdir_server/stderr.

2008-08-13  Dave Brolley  <brolley@redhat.com>

        * stap-client: Trap SIGTERM and SIGINT.
        (unpack_response): chown of the systemtap temp directory before
        we move it and only if we didn't create it.
        (maybe_call_staprun): Check $e_script when determining whether a
        script was specified. Provide the -c option to staprun. Run staprun
        in the background and wait for it.
        (terminate,interupt): New functions.

2008-08-13  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (stamp-elfutils): Override build-elfutils'
        bin_PROGRAMS to not bother build binaries we're not using.
        * Makefile.in: Regenerated.

2008-08-12  Frank Ch. Eigler  <fche@elastic.org>

        * buildrun.cxx (compile_pass): Add ugly kbuild hack for hand-built
        x86 kernels that are made with O= (separate object/module-building
        directory).

2008-08-12  David Smith  <dsmith@redhat.com>

        PR 6445 (partial)
        * tapsets.cxx (utrace_builder::build): Validates pid and allows
        probing of "*" to mean all threads.
        * stapprobes.5.in: Added note about a process path of "*" means to
        probe all threads.

2008-08-11  Wenji Huang  <wenji.huang@oracle.com>

        * tapsets.cxx : Fixed compilation warning on gcc 3.x.

2008-08-11  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (translate_final_fetch_or_store): Reject some
        unhandleable types such as floats.
        (dwarf_var...visit_target_symbol): Tweak logic of $$var expansion
        to quietly skip over any $context variables that cause exceptions.

2008-08-11  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (translate_final_fetch_or_store): Reject some
        unhandleable types such as floats.
        (dwarf_var...visit_target_symbol): Tweak logic of $$var expansion
        to quietly skip over any $context variables that cause exceptions.

2008-08-11  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (dwarf_var_expanding...visit_target_symbol):
        Don't add a \n at the end of $$vars/$$parms/$$locals.

2008-08-11  Frank Ch. Eigler  <fche@elastic.org>

        PR5049
        * tapsets.cxx (cu_name_matches, collect_srcfiles_matching):
        Implicitly but optionally prefix probe source filenames with "*/".
        * stapprobes.5.in: Document this.

2008-08-11  Dave Brolley  <brolley@redhat.com>

        * stap-client (disconnect_from_server): Call after receive_response.
        * stap-server (stap_rc): Renamed from 'rc'. Don't use it as an exit
        code.
        * stap-serverd (listen): Set pipefail so that we get the rc of nc
        if it fails. Make multiple attempts to establish a server.
        (fatal): Call 'terminate'.

2008-08-11  Frank Ch. Eigler  <fche@elastic.org>

        PR5049
        * tapsets.cxx (cu_name_matches, collect_srcfiles_matching):
        Implicitly prefix probe source filenames with "*".

2008-08-11  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_builder::build): Fixed indentation.

2008-08-11  Mark Wielaard  <mwielaard@redhat.com>

        * Makefile.am (install-data-local): Use INSTALL_PROGRAM for executable
        stp scripts.
        * Makefile.in: Regenerated.

2008-08-09  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (example index): Only warn and instruct on index
        regeneration.  Do not actually perform it as the source tree
        should be considered (and can really be) read-only.
        * Makefile.in: Regenerated.

2008-08-08  Dave Brolley  <brolley@redhat.com>

        * stap-client: Use quotes when echoing. Exit with $rc.
        (initialization): Initialize 'rc'.
        (parse_options): Manage the command line in three pieces:
        pre-script name, script name, post-script name.
        (process_*): Likewise.
        (send_request): Redirect stdout of 'nc' to /dev/null.
        (receive_response): Handle "failed:" response. Redirect stdin of 'nc'
        from /dev/zero.
        (maybe_call_staprun): Check $rc. Check the requested phase limit
        before looking for the module.
        * stap-server: Use quotes when echoing. Exit with $rc.
        (initialization): Initialize 'rc'.
        (receive_request): Start 'nc' in the background before sending the
        "ready:" message. Redirect stdin of 'nc' from /dev/zero.
        (read_data_file): Allow for multiple lines of data.
        (call_stap): Quoet $cmdline. Set 'rc'.
        (send_response): Send "failed:" if stap is unsuccessful. Start 'nc'
        in the background before sending the response.
        (cleanup): Kill any running 'nc' job.
        (terminate): Exit with $rc.
        * stap-serverd: Start the server before advertising our presence.
        * stap-find-or-start-server: Echo 0 if a server is already running.
        Echo -1 if no server is running and one can't be started.
        * stap-start-server: Wait until the server starts before exiting. Exit
        with 1 if the server does not start.
        * systemtap.spec: Move client side script to the runtime sub package.
        The main package and the runtime sub package both depend on avahi-tools
        and nc.
        * Makefile.am: Revert previous changes. Now done in
        testsuite/lib/systemtap.exp.
        * Makefile.in: Regenerated.

2008-08-08  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_derived_probe_group::emit_module_decls):
        Calls stap_utrace_detach() to perform detach.

2008-08-08  Mark Wielaard  <mwielaard@redhat.com>

        * Makefile.am (EXAMPLE_BUILD_DIR): Removed. Examples indexes are
        always in srcdir.
        (dist-hook): Always install examples from srcdir.
        * Makefile.in: Regenerated.

2008-08-08  Mark Wielaard  <mwielaard@redhat.com>

        * Makefile.am (rpm): Refer to srcdir spec file so make rpm works in
        builddir.
        * Makefile.in: Regenerated.

2008-08-08  Mark Wielaard  <mwielaard@redhat.com>

        * systemtap.spec: Disable chmodding of samples/kmalloc-top.
        It is currently not installed.

2008-08-08  Mark Wielaard  <mwielaard@redhat.com>

        * Makefile.am (all-local): Depend on example_index, which now
        doesn't generate anything in $srcdir anymore, only $builddir.
        (EXAMPLE_SOURCE_DIR): New var.
        (EXAMPLE_BUILD_DIR): New var.
        (EXAMPLE_META_FILES): New var.
        (EXAMPLE_INDEX_GEN): New var.
        (example_index): New target.
        ($EXAMPLE_BUILD_DIR/index.html): Likewise.
        (install-data-local): Install examples from $buildir.
        * Makefile.in: Regenerated.
        * aclocal.m4: Likewise.

2008-08-07  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (all-local): Don't run indexing code, since $srcdir
        may be read-only.
        (install-data): Simplify sample script installation; limit sources
        to systemtap.examples directory only.
        * Makefile.in: Regenerated.

2008-08-07  Mark Wielaard  <mwielaard@redhat.com>

        * Makefile.am (all-local): Add example_index.
        (dist-hook): Likewise.
        (EXAMPLE_SRC): Add index and support files.
        (EXAMPLE_INDEXES): New file list.
        (example_index): New target.
        (clean-local): Remove generated indexes.
        * Makefile.in: Regenerated.

2008-08-07  Mark Wielaard  <mwielaard@redhat.com>

        * systemtap.spec: Add comment about versioned vs unversioned docs.

2008-08-06  Frank Ch. Eigler  <fche@elastic.org>

        * stap-find-servers (match_server, client_sysinfo):
        Use "sysinfo=...." keyword in mdns TXT record.
        * stap-serverd (advertise_presence): Ditto.
        (initialization): Locate random usable server port if needed.
        (listen): Complain if port turns out to be unusable after all.

2008-08-06  Josh Stone  <joshua.i.stone@intel.com>

        PR 6820
        From Eugeniy Meshcheryakov eugen@debian.org:
        * staprun.8.in: fix minor formatting problems

2008-08-05  Stan Cox  <scox@redhat.com>

        * NEWS: Updated $$vars, $$parms, $$locals.
        * tapsets.cxx (visit_target_symbol): Missing break typo.

2008-08-04  Stan Cox  <scox@redhat.com>

        * tapsets.cxx (dwarf_var_expanding_copy_visitor::visit_target_symbol):
        Add support for $$vars, $$parms, and $$locals.
        * stapprobes.5.in: Likewise.
        * doc/langref.tex: Likewise.

2008-08-02  Frank Ch. Eigler  <fche@elastic.org>

        * translate.h (translator_output::assert_0_indent): New function.
        * translate.cxx (emit_*): Add a couple of calls to confirm
        newline(1)/(-1) nest matching.

2008-07-30  Dave Brolley  <brolley@redhat.com>

        * stap-client (create_request): No need for random suffix for
        cmdline and sysinfo files.
        * stap-server (read_data_file): File name is exactly as specified.
        Check that it exists.

2008-07-29  Dave Brolley  <brolley@redhat.com>

        * Makefile.am (bin_SCRIPTS): add stap-find-servers, stap-start-server,
        stap-find-or-start-server, stap-stop-server.
        (EXTRA_DIST): Likewise.
        (check): Ensure that a compatible systemtap server is running before
        running the tests, if requested. If we start a sterver, stop it after
        running the tests.
        (installcheck): Likewise.
        * stap-client (parse_options): Specify stdin as 'scripts/-' on the
        generated command line.
        (create_request): Use $script_file instead of '-'.
        (unpack_response): Existence of the systemtap temp directory is
        optional.
        (find_and_connect_to_server): Use stap-find-servers and choose_server.
        (choose_server): Rewritten from match_server. Examine multiple
        servers.
        (connect_to_server): New function.
        (maybe_call_staprun): Check for existence of a module.
        Use staprun_PATH.
        (staprun_PATH): New function.
        (fatal): Call disconnect_from_server.
        (server_fatal): Likewise.
        * stap-server: Catch SIGTERM and SIGINT.
        (create_response): Check for the existence of $tmpdir_stap.
        (terminate): New function.
        * stap-serverd: Catch SIGTERM and SIGINT.
        (listen): Run 'nc | stap-server' in the background and wait for them
        to finish.
        (terminate): Renamed from handle_sigint. Kill avahi-publish-service
        and nc.
        * systemtap.spec: Add stap-find-servers, stap-start-server,
        stap-find-or-start-server, stap-stop-server.
        * Makefile.in: Regenerated.

2008-07-28  Dave Nomura  <dcnltc@us.ibm.com>

        * session.h (struct systemtap_session): Added itrace_derived_probe
        group.
        * elaborate.cxx (systemtap_session::systemtap_session): Added
        initialization of itrace_derived_probes.
        * tapsets.cxx (struct itrace_derived_probe): Add derived_probe
        struct for holding info needed by itrace probes.
        (struct itrace_derived_probe_group): New derived_probe_group
        to handle itrace probes.
        (itrace_derived_probe::itrace_derived_probe): Needed for use with
        task_finder.
        (itrace_derived_probe_group::join_group): Ditto.
        (itrace_derived_probe_group::enroll): Ditto.
        (itrace_derived_probe_group::emit_probe_decl): Ditto.
        (itrace_derived_probe_group::emit_module_decls): Ditto.
        (itrace_derived_probe_group::emit_module_init): Ditto.
        (itrace_derived_probe_group::emit_module_exit): Ditto.
        * stapprobes.5.in : Added documentation of itrace probe.

2008-07-24  Josh Stone  <joshua.i.stone@intel.com>

        * buildrun.cxx (compile_pass): Remove STAPCONF_MODULE_NSECTIONS,
        and add STAPCONF_ONEACHCPU_RETRY

2008-07-23  Frank Ch. Eigler  <fche@elastic.org>

        From James Bottomley <James.Bottomley@HansenPartnership.com>:
        * tapsets.cxx (query_dwarf_func): Silently skip inlined function
        instances that have no entrypc.

2008-07-18  Masami Hiramatsu  <mhiramat@redhat.com>

        BZ 442528 (PR6028)
        * tapsets.cxx (emit_module_decls): Add dummy kprobe on ia64.
        (emit_module_init): register dummy kprobes for fixing bsp offset on
        ia64.
        (emit_module_exit): unregister dummy kprobes on ia64.

2008-07-18  Frank Ch. Eigler  <fche@elastic.org>

        BZ 442528, From Masami Hiramatsu <mhiramat@redhat.com>
        * elaborate.h (emit_probe_local_init): New derived_probe member.
        * tapsets.cxx (dwarf_derived_probe): Implement it, for ia64 register
        unwind caching.

2008-07-17  Stan Cox  <scox@redhat.com>

        * tapsets.cxx (iterate_over_srcfile_lines): Avoid statement wildcard
        lines without a unique address.

2008-07-17  <anithra@linux.vnet.ibm.com>

        * main.cxx (handle_interrupt): Forward received signal to process
        group.

2008-07-17  Masami Hiramatsu <mhiramat@redhat.com>

        * systemtap.spec (%files): Add stap-server and stap-serverd.
        (%files runtime): Add stap-client.

2008-07-17  David Smith  <dsmith@redhat.com>

        * systemtap.spec: Moved comment that was on the same line as
        "Version", which rpmbuild didn't like.

2008-07-17  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (dump_unwindsyms): Produce symbol tables and section
        lists for all text-like sections, useful for -ffunction-sections type
        kernel modules.
        (emit_symbol_data): Tolerate missing unwind/symbol data during
        elf processing.  Subsequently warn about anything missing.

2008-07-16  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Bumped version to 0.7.1.
        * systemtap.spec: Renamed from systemtap.spec.in; don't autoconf it
        just on account of @VERSION@.
        * Makefile.am (EXTRA_DIST): Distribute it.
        * Makefile.in, configure, testsuite/configure: Regenerated.

2008-07-16  Dave Brolley  <brolley@redhat.com>

        * Makefile.am (EXTRA_DIST): Add stap-client, stap-server, stap-serverd.
        * Makefile.in: Regenerated.

2008-07-14  David Smith  <dsmith@redhat.com>

        * tapsets.cxx
        (utrace_var_expanding_copy_visitor::visit_target_symbol):
        Synthesize a function to get the value of $syscall.

2008-07-14  Dave Brolley  <brolley@redhat.com>

        * Makefile.am (bin_SCRIPTS): Add stap-client, stap-server, stap-serverd.
        * Makefile.in: Regenerated.
        * aclocal.m4: Regenerated.

2008-07-12  Frank Ch. Eigler  <fche@elastic.org>

        PR 6738.
        * buildrun.cxx (compile_pass): Add autoconf-uaccess.c.
        * translate.cxx (translate_pass): #include <linux/vermagic.h> for
        maximum version compatibility for UTS_RELEASE.

2008-07-12  Frank Ch. Eigler  <fche@elastic.org>

        By Andy Fitzsimon <afitzsim@redhat.com>:
        * smileytap.svg: New file.

2008-07-11  Frank Ch. Eigler  <fche@elastic.org>

        PR 6739
        * tapsets.cxx (global_alias_cache): Make this a per-module/cu cache,
        just like the function cache.
        (update_alias_cache): Removed.  Instead ...
        (declaration_resolve): Compute the lookup table for this module/cu,
        but only once.

2008-07-11  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (dump_unwindsyms): Start tolerating user-space programs,
        which may be unrelocatable.

2008-07-11  Frank Ch. Eigler  <fche@elastic.org>

        * hash.cxx (find_hash): Mix in -d MODULE names.

2008-07-10  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (main): If "-k" (save temp directory) was supplied,
        disable caching.

2008-07-10  Frank Ch. Eigler  <fche@elastic.org>

        PR 6703.
        * tapsets.cxx (mark_dwarf_redundancies): Tweak hashtable/iterator
        syntax for gcc 4.1 compatibility.

2008-07-10  Frank Ch. Eigler  <fche@elastic.org>

        PR 6736.
        * main.cxx (main,usage): Support new "-d MODULE" option to
        populate comp-unwindsyms module list.
        * stap.1.in: Document it.
        * tapsets.cxx (dwarf_query::add_probe_point): Add probed module
        to comp-unwindsyms set.
        (utrace_builder::build): Ditto for probed user-space program.
        * translate.cxx (emit_symbol_data): Emit _stp_module[] entry
        for each comp-unwindsyms member, including relocation bases
        and symbols, but not yet unwind data.
        * NEWS: Remove mention of temporarily disabled unwinder.
        * session.h: Corresponding changes.

2008-07-09  Mark Wielaard  <mwielaard@redhat.com>

        PR 6732
        * buildrun.cxx (compile_pass): Define STAPCONF_REAL_PARENT by
        calling autoconf-real-parent.c

2008-07-09  Frank Ch. Eigler  <fche@elastic.org>

        From James Bottomley <James.Bottomley@HansenPartnership.com>
        * tapsets.cxx: (dwflpp::global_alias_cache): New member.
        (declaration_resolve): Search it, called from translate_components.
        (update_alias_cache): Populate it, called from query_cu.

2008-07-09    <wenji.huang@oracle.com>

        * translate.cxx (visit_comparison): Remove unnecessary comparison.
        * translate.cxx (emit_symbol_data): Remove unused local variable.

2008-07-08  Dave Brolley  <brolley@redhat.com>

        * stap-client (client_sysinfo): Use `uname -rvm`.
        (receive_response): Wait for "done:" from the server. Clear server_ip
        when the server is incompatible.
        * stap-server (check_request): Quote "`server_sysinfo`".
        (server_sysinfo): Use `uname -rvm`.
        (send_response): Send "done:".
        * stap-serverd (advertise_presence): Use `uname -rvm`. Quote "$txt".

2008-07-07  Mark Wielaard  <mwielaard@redhat.com>

        * stapex.5.in: Add section on installed examples, samples and demos
        and how they are documented.

2008-07-07  Mark Wielaard  <mwielaard@redhat.com>

        * Makefile.am (install-data-hook): Install examples, demos and
        samples.
        (uninstall-local): Remove examples, demos and samples.
        * Makefile.in: Regenerated.
        * aclocal.m4: Likewise.
        * systemtap.spec.in (%install): Move examples.
        Don't copy over examples to src.
        (testsuite): Don't include src/examples.

2008-07-07  Mark Wielaard  <mwielaard@redhat.com>

        * systemtap.spec.in (%install): Move installed pdf files.
        (%files): Mark moved installed pdf as %doc files.

2008-07-03  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (translate_pass): Don't #include <linux/compile.h>.

2008-07-03  Dave Brolley  <brolley@redhat.com>

        * stap-serverd: New script.
        * stap-client (client_sysinfo): Client sysinfo is stripped down to
        the output of `uname -r` for now.
        (package_request): Don't create temporary server tar file here.
        (send_request): Communication protocol simplified. Use nc to send
        the tar file.
        (receive_response): Communication protocol eliminated. Simply wait
        for the file from the server using nc.
        (unpack_response): Create temporary server tar file here. Verify the
        contents of the server's response.
        (find_and_connect_to_server): Obtain server address and port from
        avahi-browse.
        (server_fatal): New function.
        (check_server_error): Call server_fatal.
        * stap-server (configuration): port is now provided as an argument.
        Default to port 65001.
        (initialization): Don't create temp work directory here.
        (receive_request): Communication protocol simplified. Receive the
        request file using nc.
        (unpack_request): Make temp work directory here. Verify the contents
        of the request.
        (server_sysinfo): New function.
        (check_compatibility): Exact match required.
        (package_response): Don't use -p on tar command.
        (send_response): Communication protocol eliminated. Simply send the
        file using nc.
        (main line): Pass "$@" to configuration.

2008-07-01  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (main): In -vv mode, also dump out session arch/release
        values right at the top.

2008-06-29  Tim Moore  <timoore@redhat.com>

        * Makefile.am (EXTRA_DIST): Add auto_free.h.
        * Makefile.in: Regenerated.
        * auto_free.h (auto_free_ref): New class to free references to
        pointers allocated with malloc / realloc.
        * tapsets.cxx (iterate_over_srcfile_lines): Use auto_free_ref at
        top level of function to free srcsp.

2008-06-27  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_derived_probe_group::emit_module_decls): Fix
        bug in handling process(PID) probes.

2008-06-24  K.Prasad  <prasad@linux.vnet.ibm.com>

        * tapset/vfs.stp: Deprecate probe points on old functions, namely
        generic_file_readv(), generic_file_writev(),
        generic_file_read() and generic_file_write().
        * tapset/vfs.stp: Enhance the tapset by
        providing more pure C functions, probes for newer VFS related functions
        * testsuite/buildok/vfs_testcase.stp: Created a testsuite for the
        new enhanced VFS Tapset which does a compile test i.e. with flags -up4

2008-06-25  Stan Cox  <scox@redhat.com>

        * tapsets.cxx (iterate_over_srcfile_lines): Only probe a line once.

2008-06-24  Tim Moore  <timoore@redhat.com>

        * auto_free.h: New file.
        * tapsets.cxx (iterate_over_srcfile_lines, read_symbols): Use
        auto_free instead of explicit calls to ::free().
        (Compare): Class for comparing func_info objects and their
        addresses.
        (get_index_for_address): Remove.
        (symbol_table::sort): new function.
        (query_module_symtab): Iterate over list_by_addr using iterator
        instead of index.
        (~symbol_table): Don't bother clearing list_by_addr and
        map_by_name.
        (add_symbol): Don't keep list_by_addr in order.
        (read_symbols, get_from_elf): Sort symbols after all are read.
        (get_func_containing_address): Use std::upper_bound.
        (purge_syscall_stubs): Don't iterate over whole list_by_addr
        vector; use std::equal_range to look for possible stub addresses.

2008-06-23  Frank Ch. Eigler  <fche@elastic.org>

        * session.h (module_cache): Add field here.
        * tapsets.cxx (dwflpp): Remove static field from here.
        (pathname_caching_callback): Use hacky micro-static to get to it.
        (*): Update other users of module_cache.
        * elaborate.cxx (systemtap_session ctor): Corresponding changes.

2008-06-23  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl):
        Handles UDPF_NONE value.
        (utrace_derived_probe_group::emit_vm_callback_probe_decl): New
        function.
        (utrace_derived_probe_group::emit_module_decls): Calls
        emit_vm_callback_probe_decl() to set up vm_callbacks.

2008-06-23  Stan Cox  <scox@redhat.com>

        * NEWS: Updated .statement line number wildcard and line number range.
        * stapprobes.5.in: Likewise.
        * doc/langref.tex: Likewise.
        * tapsets.cxx (enum line_t): Add RANGE and WILDCARD.
        (iterate_over_srcfile_lines): Change lineno parm to lines[].
        Support RANGE and WILDCARD.
        (dwarf_query): Change line to line[]
        (dwarf_query::parse_function_spec): Parse RANGE and WILDCARD.

2008-06-20  wcohen  <wcohen@redhat.com>

        * stapfuncs.5.in: Add documentation for tapset/dev.stp functions.

2008-06-18  Josh Stone  <joshua.i.stone@intel.com>

        PR 6644
        * elaborate.cxx (dead_stmtexpr_remover::visit_block): Flatten nested
        block statements into a single block.
        (dead_stmtexpr_remover::visit_if_statement): Remove the possibility
        of if_statements with a null thenblock.  When an if lacks both then
        and else, either remove it completely or reduce it to a simple
        statment evaluating the condition.  With an else and no then, invert
        the condition and else becomes then.
        (void_statement_reducer): New optimization visitor that breaks
        statements in void context into smaller pieces, to expose more
        optimization opportunities.
        (semantic_pass_opt5, semantic_pass_opt6): Bump opt5 to opt6, and
        create a new opt5 that runs through void_statement_reducer.

2008-06-16  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (print_locals): Produce nothing instead of
        "(alternatives: (none found))" if no alternatives were found.

2008-06-16  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (session::print_warning): Change to take optional
        token as argument.
        (*): Adjust callers of print_warning() to pass a token.
        (print_token): New function, eliminate recent file name duplication.
        (print_error): Use it too.
        (semantic_pass_opt2): Tweak way read-only vars' alternatives are
        printed.  Eliminate relaxation-loop duplicates by printing warnings
        only on first iteration.  Print alternatives for globals too.
        * session.h: Corresponding changes.

2008-06-16  Stan Cox  <scox@redhat.com>

        * elaborate.cxx (semantic_pass_opt2): Only create function
        alternatives if needed.  Overload compare.

2008-06-13  Stan Cox  <scox@redhat.com>

        * elaborate.cxx (print_warning): Add optional_str parameter.
        (semantic_pass_opt2): List variable alternatives for probes and
        functions.
        * session.h (print_warning): Add optional_str parameter.

2008-06-13  Josh Stone  <joshua.i.stone@intel.com>

        * translate.cxx: Jump out directly after setting last_error, rather
        than passively checking last_error everywhere.
        * translate.cxx: Only make actionremaining checks at control points,
        i.e. roughly at the end of basic blocks, or after executing a few
        statements in a row.

2008-06-13  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (main): Print generated module name for "-m FOO"
        runs also.  Stop warning about this implying uncached operation.

2008-06-12  Stan Cox  <scox@redhat.com>

        * elaborate.cxx (print_warning): Make parameter a const.

2008-06-11  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (EXTRA_DIST): Add dwarf_wrappers.h.

2008-06-11  Mark Wielaard  <mwielaard@redhat.com>

        * elaborate.cxx (print_warning): Only output WARNING, don't put it
        in the message_str and seen_warnings.
        * session.h (print_warning): Reindent.

2008-06-11  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (print_warning): Use session.seen_warnings[].

2008-06-10  Stan Cox  <scox@redhat.com>

        * elaborate.cxx (print_warning): New.
        * elaborate.cxx (semantic_pass_opt1): Use it.

2008-06-11  Tim Moore  <timoore@redhat.com>

        * dwarf_wrappers.h (dwfl_assert): Add overload with boolean value
        for assertion test.
        * dwarf_wrappers.cxx (dwfl_assert): Write boolean condition
        version.
        * tapsets.cxx (emit_address): Fix up dwfl_asserts that got negated
        in changes to dwfl_assert.

        PR 2608
        * dwarf_wrappers.h, dwarf_wrappers.cxx: New files.
        * Makefile.in: Regenerated.
        * tapsets.cxx (dwarf_assert, dwfl_assert): Move to
        dwarf_wrappers.h.
        (iterate_over_srcfile_lines, has_single_line_record,
         query_srcfile_line): Use dwarf_line_t wrapper.
        (die_has_pc): Take a reference to a Dwarf_Die instead of a
        pointer. Clean up use of dwfl_assert.
        (query_cu): Check that statement raw address matches the beginning
        of a statement record.
        * elaborate.h: Include iosfwd instead of iostream.
        (literal_map_t, resolve_prologue_endings,): New typedef.


2008-06-10  Jim Keniston  <jkenisto@us.ibm.com>

        * testsuite/systemtap.context/num_args.tcl: Run twice --
        once with dwarf (default) and once with --kelf --ignore-dwarf.
        * testsuite/systemtap.context/context.exp: Add num_args to
        testlist. :-}

2008-06-10  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl):
        Initializes .vm_callback.

2008-06-10  Frank Ch. Eigler  <fche@elastic.org>

        PR 6470
        * NEWS: Note argv[] tapset.
        * parse.cxx (scan_pp): Better handle premature EOF.
        * stapvars.5.in: New file.
        * stap.1.in: Mention it.
        * Makefile.am (dist_man_MANS): Add stapvars.5.
        * configure.ac (AC_CONFIG_FILES): Add stapvars.5.in.
        * Makefile.in, configure: Regenerated.

2008-06-10  Frank Ch. Eigler  <fche@elastic.org>

        PR 6470
        * parse.cxx (scan_pp): Eliminate expand_args argument to control
        nested preprocess evaluation.  Rewrite to use a combination of
        exceptions and non-recursion.
        (lexer::scan): Ditto.  Interpret "$#" as the argc value in all
        cases.
        * parse.h: Corresponding decl changes.

2008-06-10  Frank Ch. Eigler  <fche@elastic.org>

        PR 6470
        * parse.cxx (eval_comparison): New template function.
        (eval_pp_conditional): Call it separately for string/string and
        int64/int64 cases.
        (lexer::scan): Provide better error message for invalid $NNN.

2008-06-09  Jim Keniston  <jkenisto@us.ibm.com>

        PR 6601
        * tapsets.cxx: For powerpc, reject symbols in .opd
        (function descriptor) section.

2008-06-09  Stan Cox  <scox@redhat.com>

        * NEWS: Updated kernel.statement relative line number.
        * stapprobes.5.in: Likewise.

2008-06-09  David Smith  <dsmith@redhat.com>

        * tapsets.cxx
        (utrace_var_expanding_copy_visitor::visit_target_symbol): Calls
        'syscall_nr' to get the value of '$syscall'.

        * tapsets.cxx (utrace_derived_probe::join_group): Removed
        generated inclusion of tracehook.h.
        (utrace_var_expanding_copy_visitor::visit_target_symbol): Uses
        '_stp_arg(0)' to get value of '$syscall'.

2008-06-06  Stan Cox  <scox@redhat.com>

        * tapsets.cxx (dwflpp::iterate_over_srcfile_lines):
        Add parameter line_type_relative.
        (enum line_t): New.
        (dwarf_query::line_type): New.
        (dwarf_query::parse_function_spec): Set line_type.

2008-06-06  David Smith  <dsmith@redhat.com>

        * NEWS: Updated utrace probes descriptions.
        * stapprobes.5.in: Ditto.

        * tapsets.cxx (enum utrace_derived_probe_flags): Redefined in
        terms of probe types instead of utrace events.
        (utrace_var_expanding_copy_visitor::visit_target_symbol): Uses new
        utrace_derived_probes_flags values.
        (utrace_builder::build): Handles new probe types and new
        utrace_derived_probes_flags values.
        (utrace_derived_probe_group::emit_probe_decl): Updated to handle
        new utrace_derived_probe_flags values.
        (utrace_derived_probe_group::emit_module_decls): Ditto.  Also
        correctly handles 'begin' events correctly by installing a quiesce
        handler (instead of running the probe directly).
        (register_standard_tapsets): Registers updated utrace probe
        types.

2008-06-05  Srinivasa DS <srinivasa@in.ibm.com>
        *configure,configure.ac: -fpie option puts limit on GOT size
           and hence systemtap build fails on s390. So use -fPIE which
           doesn't put limit on GOT size.

2008-06-04  Jim Keniston  <jkenisto@us.ibm.com>

        * testsuite/systemtap.context/num_args.{stp,tcl}: Added.
        Same as args.{stp,tcl}, but refs args using *_arg().

2008-06-04  Jim Keniston  <jkenisto@us.ibm.com>

        PR 6588
        * tapset/syscalls.stp: Remove return aliases for exit and exit_group.
        * testsuite/semok/syscalls_return.stp: Regression test

2008-06-03  David Smith  <dsmith@redhat.com>

        * tapsets.cxx: Added several string tokens that are used instead
        of hard-coded strings.
        (register_standard_tapsets): Uses new string tokens.

2008-06-03  Frank Ch. Eigler  <fche@elastic.org>

        PR 6429.
        * Makefile.am: Don't link stapio with -ldw.
        * Makefile.in: Regenerated.

2008-05-29  Mark Wielaard  <mwielaard@redhat.com>

        * Makefile.am (installcheck): Check that make install was run.
        * Makefile.in: Regenerated.

2008-06-02  Frank Ch. Eigler  <fche@elastic.org>

        PR6534
        * translate.cxx (c_unparser::emit_module_init): Use UTS_RELEASE
        instead of uts_sem/utsname() as kernel version-checking hack.

2008-06-02  Dave Brolley  <brolley@redhat.com>

        * stap-client (initialization): port is no longer hard coded.
        Initialize avahi_service_tag to _stap._tcp.
        (find_and_connect_to_server): Handle server/port returned by
        match_server.
        (match_server): Obtain server ip address and port from output
        of the -r option to avahi-browse. Echo a server/port pair.

2008-06-02  Zhaolei  <zhaolei@cn.fujitsu.com>

        * main.cxx (main): Fix the problem that kernel module compile
        failure when runtime directory is set to relative path(stap -R).

2008-05-30  Dave Brolley  <brolley@redhat.com>

        * stap-client, stap-server: New compile server and client scripts.

2008-05-30  Srinivasa DS  <srinivasa@in.ibm.com>
        PR 6562
        * tapsets.cxx, translate.cxx: modified one argument for
                                dwfl_linux_kernel_report_offline().
        * testsuite/systemtap.base/debugpath.exp: Modified testsuite for new
                                SYSTEMTAP_DEBUGINFO_PATH behaviour.
        * stap.1.in: Modified manpage for new SYSTEMTAP_DEBUGINFO_PATH behaviour.

2008-05-29  Jim Keniston  <jkenisto@us.ibm.com>

        PR 6582
        * tapset/context.stp: Added registers_valid().
        * stapfuncs.5.in: Ditto.
        * tapset/x86_64/registers.stp: Added registers_valid() check.
        * tapset/ppc64/registers.stp: Ditto.
        * tapset/i686/registers.stp: Ditto.  Also fixed warnings due to
        sp_offset and ss_offset not being global.

2008-05-29  Ananth N Mavinakayanahalli <ananth@in.ibm.com>

        PR 6563
        * tapset/ppc64/registers.stp: Fix powerpc dwarfless argument access

2008-05-28  Josh Stone  <joshua.i.stone@intel.com>

        PR 6529
        * translate.cxx (c_unparser::visit_return_statement): Make sure we
        notice errors from evaluating return values.

2008-05-28  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_derived_probe_group::emit_module_decls):
        Removed debug print.

        * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl):
        Instead of adding clone handlers, just call the probes directly.
        (utrace_derived_probe_group::emit_module_decls): For syscall
        probes, on exec detach the parent's utrace engine from the child.

2008-05-27  Josh Stone  <joshua.i.stone@intel.com>

        PR 6432
        * buildrun.cxx (compile_pass): Add the autoconf test for probe_kernel_*
        functions, but leave it #if-0'ed for now.

2008-05-23  Jim Keniston  <jkenisto@us.ibm.com>

        PR 4311, cont.  Address powerpc dwarfless test failures.
        * tapsets.cxx: Convert .funcname to funcname when adding it
        to our symbol table.  Accept all weak symbols except those
        that map to sys_ni_syscall.

2008-05-23  Srinivasa DS <srinivasa@in.ibm.com>
        PR 6429: Inerim fix to avoid compilation error of systemtap module
        * runtime/transport/symbols.c:  added definitions of struct
        module_sect_attr, struct module_sect_attrs for 2.6.25 above kernels.

2008-05-22  Wenji Huang <wenji.huang@oracle.com>

        * tapsets.cxx (iterate_over_functions): Fix .statement(NUM) regression.

2008-05-22  Ananth N Mavinakayanahalli <ananth@in.ibm.com>

        * tapset/ppc64/registers.stp: Support powerpc register + arg lookup
        * stapfuncs.5.in: Add powerpc bits; indicate scope of uarg_* access

2008-05-21  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_derived_probe_group::emit_module_decls):
        Added new 'event_flag' parameter to task_finder callback.  Only
        calls probe handlers if we received the correct event.

2008-05-20  Frank Ch. Eigler  <fche@elastic.org>

        PR 6538
        * elaborate.cxx (semantic_pass_opt2): Warn about read-only locals and
        globals.
        (visit_foreach_loop): Belatedly recognize index symbols as lvalues.

2008-05-21  Stan Cox  <scox@redhat.com>

        * elaborate.cxx (dead_assignment_remover::visit_binary_expression): New.
        (dead_assignment_remover::visit_assignment): Allow rhs simplification.

2008-05-20  Tim Moore  <timoore@redhat.com>

        * configure.ac: Check for tr1/unordered_map header.
        * tapsets.cxx: Use tr1::unordered_map if available.
        * configure, config.in: Regenerated.

2008-05-19  Stan Cox  <scox@redhat.com>

        * elaborate.cxx (dead_assignment_remover::visit_arrayindex): New method.
        (dead_assignment_remover::visit_functioncall): New method.
        (dead_assignment_remover::visit_if_statement): New method.
        (dead_assignment_remover::visit_for_loop): New method.

2008-05-19  William Cohen  <wcohen@redhat.com>

        * main.cxx (setup_signals): Remove sa_restorer initialization.

2008-05-17  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (semantic_pass): Error on #probes=0, but not in
        listing mode.
        (semantic_pass_optimize[12]): Remove inappropriate check from here.

2008-05-17  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (cu_function_cache_t): Switch to <ext/hash_map>s,
        since these tables tend to get pretty big.

2008-05-16  Frank Ch. Eigler  <fche@elastic.org>

        PR 5643
        * tapsets.cxx (cu_function_cache_t): Reorganize into
        mod:cu->function->DIE lookup table.  Consider merging into symtab
        later.
        (mark_dwarf_redudancies): Adapt.
        (iterate_over_functions): Rewrite.
        (dwarf_builder::build): Cache kprobes etc. symbol addresses.
        * elaborate.cxx (systemtap_session ctor): Clear additional POD fields.

2008-05-15  David Smith  <dsmith@redhat.com>

        * main.cxx (setup_signals): New function.
        (main): Calls setup_signals() to setup signal handling.  When
        removing the temporary directory, ignore signals.

2008-05-13  Ananth N Mavinakayanahalli <ananth@in.ibm.com>
        PR 5955.
        * parse.cxx (parser::parse_global): accept ";" terminated globals
        * NEWS - update documentation
        * testsuite/systemtap.base/global_vars.(stp/exp) - supporting tests
        * testsuite/parseko/twenty(four/five).stp - supporting tests

2008-05-12  Jim Keniston  <jkenisto@us.ibm.com>

        PR 4311 - Function boundary tracing without debuginfo: Phase II
        Merged dwarfless branch into mainline.  But first...
        * runtime/regs.c: Removed register name:value lookup facility.
        Moved basically all register-lookup code to the i686 and x86_64
        registers.stp tapsets.  Args stuff shared between i386 and
        x86_64 remains in regs.c.
        * tapset/{i686,x86_64}/registers.stp: Moved register-lookup
        code from runtime/regs.c to here.

2008-05-12  Jim Keniston  <jkenisto@us.ibm.com>

        (2008-05-06 in dwarfless branch)
        PR 4311 - Function boundary tracing without debuginfo: Phase II
        * stapfuncs.5.in: Added sections on CPU REGISTERS and
        NUMBERED FUNCTION ARGUMENTS.

2008-05-12  Jim Keniston  <jkenisto@us.ibm.com>

        (2008-05-05 in dwarfless branch)
        PR 4311 - Function boundary tracing without debuginfo: Phase II
        * runtime/regs.c: Added register name:value lookup facility.
        Added support for register and arg lookup for i386 and x86_64.
        * tapset/{i686,x86_64}/registers.stp: New: support for register
        and arg lookup.
        * tapsets.cxx, translate.cxx: Added regparm field to struct
        context.
        * tapset/nd_syscall.stp: syscall.stp migrating toward numbered
        args rather than named args.

2008-05-12  Jim Keniston  <jkenisto@us.ibm.com>

        (2008-04-18 in dwarfless branch)
        PR 4311 - Function boundary tracing without debuginfo: Phase I
        * tapsets.cxx: Major rework of dwflpp, dwarf_query, and related
        code to make do with elf info if dwarf info is absent, or
        (in the case of vmlinux) make do with a System.map-style
        symbol table if even the elf file is absent.
        * main.cxx: Use getopt_long instead of getopt.  Added --kelf,
        --kmap, --ignore-vmlinux, and --ignore-dwarf.
        * hash.cxx, session.h, stap.1.in: Added --kelf, --kmap,
        --ignore-vmlinux, and --ignore-dwarf.
        * testsuite/{semok,semko}/nodwf*.stp

2008-05-07  Frank Ch. Eigler  <fche@elastic.org>

        PR 6492.
        * main.cxx (main): let -l imply -w.

2008-05-05  Frank Ch. Eigler  <fche@elastic.org>

        PR 444886.  From <crquan@gmail.com>:
        * tapsets.cxx, translate.cxx: Add .../build/... to default debuginfo
        path, to ease search for hand-built kernels.

2008-05-01  Frank Ch. Eigler  <fche@elastic.org>

        PR 6474
        * configure.ac (--enable-pie): Add default option.
        * Makefile.am (stap* binaries): Use -fpie/-z relro/-z now as
        applicable.
        * configure, aclocal.m4, Makefile.in, doc/Makefile.in: Regenerated.

2008-04-30  Masami Hiramatsu  <mhiramat@redhat.com>

        PR 6008
        * main.cxx (main): Increase the limitation of buffer size to 4095MB.
        * staprun.8.in: Ditto.

2008-04-29  Frank Ch. Eigler  <fche@elastic.org>

        PR 6466
        * elaborate.cxx
        (dead_stmtexpr_remover): Expand scope to kill far more
        side-effect-free statemnets, including if/for/foreach.
        (semantic_pass_opt4): Warn on elided function/probe bodies.
        (typeresolution_info::visit_target_symbol): Dump parse tree of
        resolution-challenged functions/probes.
        (*): Adapt to probe->body being a statement*
        rather than a block*.
        * tapsets.cxx (*): Ditto.
        * staptree.cxx (block::block ctor): New cons constructor.
        * staptree.h: Corresponding changes.

2008-04-29  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): Added
        death event handlers to ensure that for every utrace_attach there
        is a corresponding utrace_detach.
        (utrace_derived_probe_group::emit_module_decls): Ditto.

2008-04-28  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (translate_pass): Don't #define TEST_MODE.

2008-04-26  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (common_probe_entryfn_prologue): Undo
        clear of overload-related context vars; add explanation why.

2008-04-25  Frank Ch. Eigler  <fche@elastic.org>

        * systemtap.spec.in: Simplify configuration defaults.

2008-04-25  David Smith  <dsmith@redhat.com>

        PR 6455.
        * tapsets.cxx (mark_builder::build): Handles markers with no
        format string.

2008-04-24  Frank Ch. Eigler  <fche@elastic.org>

        PR 6454.
        * main.cxx (printscript): Avoid string truncation heuristics, and
        also avoid plain probe::printsig.  Hold nose and dig down into
        raw location lists instead.

2008-04-24  Will Cohen  <wcohen@redhat.com>

        * aclocal.m4: Regenerated.
        * Makefile.am (example/*): Moved to testsuite/systemtap.examples.
        * Makefile.in: Regenerated.

2008-04-23  Frank Ch. Eigler  <fche@elastic.org>

        From: Srinivasa DS <srinivasa@in.ibm.com>
        * tapsets.cxx (blacklisted_p): Blacklist more init/exit sections.

2008-04-23  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (common_probe_entryfn_prologue): Clear
        overload-related context vars.

2008-04-22  hunt  <hunt@redhat.com>

        * staprun.8.in: Add documentation for -d option.

2008-04-22  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_derived_probe_group::emit_module_decls):
        Removed debug statements.

2008-04-18  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (struct utrace_builder): Added exec probes.
        (utrace_derived_probe_group::emit_probe_decl): Ditto.
        (utrace_derived_probe_group::emit_module_decls): Ditto.
        (register_standard_tapsets): Ditto.
        * stapprobes.5.in: Added information about exec probes.
        * NEWS: Added information about utrace probes.

        * stapprobes.5.in: Added information about utrace probes.

2008-04-17  Josh Stone  <joshua.i.stone@intel.com>

        * tapsets.cxx (build_blacklist): Fix regexps for atomics.
        * vim/syntax/stap.vim: Recognize the 'limit' keyword and script arguments,
        allow '$' in variable names, and highlight $target variables.

2008-04-17  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (utrace_builder::build): Make sure that the PATH of
        'process("PATH")' probes is an absolute path.
        (utrace_derived_probe_group::emit_module_decls): Made calls to
        utrace probe handler functions conditional on which types of
        utrace probes are going to be output.

2008-04-16  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (task_finder_derived_probe): Add dummy constructor
        for old (RHEL4) gcc compatibility.

2008-04-16  Frank Ch. Eigler  <fche@elastic.org>

        PR 6417: From Srinivasa DS <srinivasa@in.ibm.com>:
        * tapsets.cxx (build_blacklist): Extend.

2008-04-15  David Smith  <dsmith@redhat.com>

        * session.h (struct systemtap_session): Added utrace_derived_probe
        group and task_finder_derived_probe_group members.
        * elaborate.cxx (systemtap_session::systemtap_session): Added
        initialization of utrace_derived_probes and
        task_finder_derived_probes.
        * tapsets.cxx (struct task_finder_derived_probe_group): New
        derived_probe_group to handle task_finder framework.
        (struct utrace_derived_probe_group): New derived_probe_group to
        handle utrace probes.

2008-04-15  Frank Ch. Eigler  <fche@elastic.org>

        PR 6405 cont'd.
        * Makefile.am (AM_CFLAGS): Remove -Wshadow, as it triggers for
        new stapio (modname global vs. dwfl headers).

2008-04-15  Frank Ch. Eigler  <fche@elastic.org>

        PR 6405
        * buildrun.cxx (compile_pass): Add STAPCONF_MODULE_NSECTIONS.

2008-04-14  David Smith  <dsmith@redhat.com>

        * elaborate.h (struct derived_probe_group): Removed
        emit_module_header virtual function.
        * translate.cxx (c_unparser::emit_common_header): Removed calls to
        emit_module_header function.
        * tapsets.cxx (be_derived_probe>): Removed emit_module_header function.
        (struct timer_derived_probe_group): Ditto.
        (struct profile_derived_probe_group): Ditto.
        (struct procfs_derived_probe_group): Ditto.
        (struct hrtimer_derived_probe_group): Ditto.
        (struct perfmon_derived_probe_group): Ditto.
        (dwarf_derived_probe_group::emit_module_decls): Moved kernel check
        back from deleted emit_module_header function.
        (uprobe_derived_probe_group::emit_module_decls): Ditto.
        (mark_derived_probe_group::join_group): Moved marker
        kernel check (to a new embedded code section) from deleted
        emit_module_header function.

2008-04-14  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (stapio_*): Become able to link/compile against
        bundled elfutils.
        * Makefile.in: Regenerated.

2008-04-09  Martin Hunt  <hunt@dragon>

        * buildrun.cxx (run_pass): Remove unused "-d" option
        passed to staprun.

        * translate.cxx (emit_symbol_data): When available,
        grab symbols from debuginfo instead of /proc/kallsyms.

2008-04-11  David Smith  <dsmith@redhat.com>

        * elaborate.h (struct derived_probe_group): Added
        emit_module_header virtual function.
        * translate.cxx (c_unparser::emit_common_header): Calls each probe
        group's emit_module_header function.
        (translate_pass): Moved inclusion of linux/marker.h to
        mark_derived_probe_group::emit_module_header().
        * tapsets.cxx (struct be_derived_probe_group): Added empty
        emit_module_header function.
        (struct timer_derived_probe_group): Ditto.
        (struct profile_derived_probe_group): Ditto.
        (struct procfs_derived_probe_group): Ditto.
        (struct hrtimer_derived_probe_group): Ditto.
        (struct perfmon_derived_probe_group): Ditto.
        (dwarf_derived_probe_group::emit_module_header): Moved kprobes
        kernel check from emit_module_decls() to here.
        (uprobe_derived_probe_group::emit_module_header): Moved uprobe
        kernel check from emit_module_decls() to here.
        (uprobe_derived_probe_group::emit_module_decls): Moved uprobe
        kernel check to emit_module_header().
        (mark_derived_probe_group::emit_module_header): Moved marker
        kernel check from emit_module_decls and translate_pass() to here.
        (uprobe_derived_probe_group::emit_module_decls): Moved marker
        kernel check to emit_module_header().

2008-04-10  Frank Ch. Eigler  <fche@elastic.org>

        PR 2949.
        * session.h (listing_mode): New field.
        * main.cxx (main): Test it.  Enjoy it.
        (printscript): Do it.
        (usage): Document it.
        * stap.1.in, stapex.5.in: Ditto.
        * elaborate.cxx (print_error): Disable error messages in listing mode.

2008-04-10  Frank Ch. Eigler  <fche@elastic.org>

        PR 6393 cont'd.
        * Makefile.am: Also copy RadeonHD.am fragment to force
        git_version.h regeneration at every make, and also special
        tagging for "make dist".  Thanks <ndim>.

2008-04-10  Frank Ch. Eigler  <fche@elastic.org>

        PR 6393.
        * git_version.sh: New file, copied from radeonhd.
        * configure.ac: No longer generate $builddir/SNAPSHOT.
        * Makefile.am: Generate $builddir/git_version.h.
        (EXTRA_DIST): Add git_version.h and git_version.sh.
        * main.cxx (version): Print generated GIT_MESSAGE therefrom.
        * Makefile.in, configure: Regenerated.

2008-04-09  David Smith  <dsmith@redhat.com>

        * .gitignore: Added more files to ignore.

2008-04-04  Masami Hiramatsu <mhiramat@redhat.com>

        PR 6028
        * translate.cxx (c_unparser::emit_common_header): Add unwaddr for
        caching unwound address.
        * tapsets.cxx (common_probe_entryfn_prologue): Clear unwaddr.

2008-04-01  Frank Ch. Eigler  <fche@elastic.org>

        * safety/*: Removed subdirectory containing abandoned experiment.

2008-03-31  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Bump version to 0.7.
        * configure: Regenerated.

2008-03-27  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (common_probe_entryfn_prologue): Clear last_stmt.

2008-03-26  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (emit_function): Set context last_stmt, in case
        an error occurs during the function.

2008-03-25  Frank Ch. Eigler  <fche@elastic.org>

        * stap.1.in: Clarify utility of epilogue type probe aliases.

2008-03-21  Eugene Teo  <eugeneteo@kernel.sg>

        PR 5528
        * tapset/conversions.stp (user_string_n, user_string_n2,
        user_string_n_warn, user_string_n_quoted, user_short, user_short_warn,
        user_int, user_int_warn, user_long, user_long_warn, user_char,
        user_char_warn): New user_* functions.
        * stapfuncs.5.in: Documented the new functions.
        * testsuite/systemtap.stress/conversions.stp: Test new functions.
        * testsuite/buildok/conversions.stp: Test new functions.
        * testsuite/buildok/conversions-embedded.stp: Test new functions.

2008-03-20  Frank Ch. Eigler  <fche@elastic.org>

        PR 5975.
        * tapsets.cxx (*): Added a few (void) expressions for asserts that
        may be compiled out.

2008-03-14  Masami Hiramatsu <mhiramat@redhat.com>

        PR 3542
        * buildrun.cxx (compile_pass): Add an autoconf to check the kernel
        supports batch unregistration.
        * tapsets.cxx (dwarf_derived_probe_group::emit_module_decls): Add an
        array of probe pointers for batch unregistration.
        * tapsets.cxx (dwarf_derived_probe_group::emit_module_exit): Use
        unregister_k(ret)probes if it is supported.

2008-03-13  Frank Ch. Eigler  <fche@elastic.org>

        PR 5928.
        * buildrun.cxx (compile_pass): Use EXTRA_CFLAGS for autoconf'd values
        instead of CFLAGS_<module>.o.

2008-03-12  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac, systemtap.spec.in: Bumped version to 0.6.2.
        * configure: Regenerated.

2008-03-12  Dave Brolley  <brolley@redhat.com>

        PR5897
        * staptree.cxx (probe::printsig): If this probe was derived from an alias,
        call the printsig method of the alias.

2008-03-10  Dave Brolley  <brolley@redhat.com>

        PR5189
        * translate.cxx (probe_or_function_needs_deref_fault_handler): New member of
        c_unparser.
        (c_unparser::emit_function): Initialize probe_or_function_needs_deref_fault_handler.
        Check it after the body is visited and generate a deref fault handler if necessary.
        (c_unparser::emit_probe): Likewise.
        (c_unparser::visit_print_format): Correct the compoenent type for an overridden string
        literal.  Generate code to check that pointer arguments to %m can be dereferenced.
        Generate casts for printf arguments as necessary.
        * elaborate.cxx (typeresolution_info::visit_print_format): Desired type for conv_memory
        is pe_long.

2008-03-06  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (AM_CXXFLAGS, AM_CFLAGS): Remove -Werror.
        * Makefile.in, doc/Makefile.in: Regenerated.

2008-03-03  Frank Ch. Eigler  <fche@elastic.org>

        PR5516
        * elaborate.cxx (symbol_fetcher, dead_assignment_remover):
        Support unresolved $target lvalues.  Propagate pretty error
        messages.
        * staptree.cxx (varuse_collecting_visitor target_symbol): Ditto.
        * staptree.h: Corresponding decl.

        * loc2c.c: c_translate_pointer_store: New function.
        * loc2c.h: Corresponding decl.
        * tapsets.cxx (dwflpp::translate_final_fetch_or_store): Call it
        for $target pointer assignments.

2008-02-29  Will Cohen  <wcohen@redhat.com>

        * main.cxx (handle_interrupts): Make compatible with GCC 4.3.

2008-02-28  Frank Ch. Eigler  <fche@elastic.org>

        PR5045
        * session.h (pending_interrupts): New global.
        * main.cxx (handle_interrupts): New fn to handle SIGINT* etc.
        * elaborate.cxx, translate.cxx, tapsets.cxx, main.cxx (*): Insert
        pending_interrupts escape hatches inside potentially timetaking loops.
        * buildrun.cxx: Don't deal with signals.

2008-02-27  Frank Ch. Eigler  <fche@elastic.org>

        PR5697
        * configure.ac (enable-docs): Implement.
        * systemtap.spec.in: Add optional docs build/install/prereqs.
        * Makefile.am (SUBDIRS): Add doc.
        * Makefile.in, configure: Regenerated.

2008-02-27  Dave Brolley  <brolley@redhat.com>

        PR5189
        * staptree.h (print_format::conv_memory): New enumerator.
        (print_format::width_type): New enumeration.
        (print_format::precision_type): New enumeration.
        (format_component::widthtype): New member.
        (format_component::prectype): New member.
        (format_component::is_empty): Test widthtype and prectype.
        (format_component::clear): Clear widthtype and prectype.
        * staptree.cxx (print_format::components_to_string): Handle dynamic width and precision.
        Handle conv_memory.
        (print_format::string_to_components): Parse dynamic width and precision specifiers.
        Set widthtype and prectype. Parse %m format specifier.
        * elaborate.h (typeresolution_info::check_arg_type): New method.
        * elaborate.cxx (typeresolution_info::visit_print_format): Account for dynamic width
        and precision when computing the expected number of arguments. Check the types of
        arguments for dynamic width and precision. Use check_arg_type to check the types of
        all arguments. Handle print_format::conv_memory.
        (typeresolution_info::check_arg_type): New method.
        * NEWS: Describe the enhancements above.

2008-02-27  David Smith  <dsmith@redhat.com>

        PR5729
        * systemtap.spec.in: Adds examples to the testsuite rpm so that
        systemtap.samples/examples.exp works correctly.

2008-02-26  Dave Brolley  <brolley@redhat.com>

        PR5018
        * staprun.8.in: Escape dashes ('-') as appropriate.

2008-02-26  Srinivasa DS   <srinivasa@in.ibm.com>
        PR5772
        * tapset/syscall2.stp: Modify wait4,waitid argument list
        for kernel > 2.6.24.

2008-02-25  Frank Ch. Eigler  <fche@elastic.org>

        PR5792.
        * parse.cxx (eval_pp_conditional): Support wildcards in
        %( kernel_v/kernel_vr/arch ==/!= "*foo?" %) operands.
        * NEWS, stap.1.in: Document this.

2008-02-22  Frank Ch. Eigler  <fche@elastic.org>

        PR5787, PR2608, .statement()
        * tapsets.cxx (query_dwarf_func): Process .statement(NUM) probes too.
        (query_cu): Ditto.
        (query_func_info): Bypass prologue searching for .statement() probes.
        (query_cu): Ditto.

        (build_blacklist): Remove unsightly empty first alternative in
        "^(|foo)$" regexps.  Show them for -vvv.

        * buildrun.cxx (compile_pass): Don't turn on "gcc -Q" on until -vvvv.

2008-02-20  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (struct mark_derived_probe): Renamed 'probe_sig' to
        'probe_format'.
        (mark_derived_probe::mark_derived_probe): Added new "format" probe
        point component.
        (mark_derived_probe::parse_probe_format): Renamed from
        'mark_derived_probe::parse_probe_sig'.
        (struct mark_builder): Added typedefs.  Converted mark_cache from
        a map to a multimap to handle markers with the same name but
        different formats.
        (mark_builder::build): Added new 'format' probe parameter.
        (register_standard_tapsets): Added new 'format' marker probe
        optional parameter.
        * stapprobes.5.in (parts): Documented new "format" probe
        component.

2008-02-19  Roland McGrath  <roland@redhat.com>

        * tapsets.cxx (query_module): Use dwfl_module_getdwarf rather
        than dwfl_module_getelf for e_machine check.
        (dwarf_query::get_blacklist_section): Likewise for section search.
        Ignore non-SHF_ALLOC sections.

2008-02-19  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (query_module): Tweak elf-machine checking to
        better represent elfutils idioms.

2008-02-19  Frank Ch. Eigler  <fche@elastic.org>

        PR 5766.
        * tapsets.cxx (build_blacklist): Switch (back) to regexp-based
        blacklist construction ...
        (blacklist_p): ... and querying.

2008-02-19  David Smith  <dsmith@redhat.com>

        PR 5672.
        * tapsets.cxx (mark_derived_probe): Call probe_point copy ctor to
        shallow-copy incoming base probe location before
        recomputing/overwriting it.

2008-02-18  Frank Ch. Eigler  <fche@elastic.org>

        * NEWS, stapprobes.5.in: Document basic (non-symbolic prototype)
        user-space probe points.

2008-02-15  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (function_name_last_match): New function.
        (query_dwarf_func): Call it to stop unnecessary further iteration.

2008-02-13  Frank Ch. Eigler  <fche@elastic.org>

        PR 5759
        * tapsets.cxx (build_blacklist): Add some CONFIG_PREEMPT-related
        functions.

2008-02-13  Dave Brolley  <brolley@redhat.com>

        PR5609
        * staptree.h (probe::collect_derivation_chain): Now takes vector<probe*>.
        (probe::get_alias): New virtual method.
        * elaborate.h (derived_probe::collect_derivation_chain): Now takes vector<probe*>.
        * staptree.cxx (probe::collect_derivation_chain): Now takes vector<probe*>. Don't
        cast 'this' to (derived_probe*).
        * elaborate.cxx (derived_probe::collect_derivation_chain): Now takes vector<probe*>.
        (alias_derived_probe::get_alias): New virtual method.
        (alias_derived_probe::alias): New member.
        (alias_expansion_builder::build): Call checkForRecursiveExpansion and emit a
        diagnostic if recursion is detected. Pass alias to constructor of
        alias_derived_probe.
        (alias_expansion_builder::checkForRecursiveExpansion): New method.
        * coveragedb.cxx: Pass vector<probe*> on all calls to collect_derivation_chain.

2008-02-12  Frank Ch. Eigler  <fche@elastic.org>

        PR 4393
        * tapsets.cxx (emit_address): Support relocatable kernels.
        (dwarf_derived_probe ctor): Hack around for missing USHRT_MAX.
        * elaborate.cxx (semantic_pass): Increment rc if exception caught.

2008-02-12  Martin Hunt  <hunt@redhat.com>
        PR 5757
        * tapsets.cxx, translate.cxx: Cleanup indentation a bit.

2008-02-11  Jim Keniston  <jkenisto@us.ibm.com>

        PR 5693
        * runtime/uprobes/uprobes.c: Intercept handler-destined
        signals received while we're single-stepping, and re-queue
        them afterward.
        * runtime/uprobes/uprobes.h: Ditto

2008-02-09  Frank Ch. Eigler  <fche@elastic.org>

        PR5750.
        From Eugeniy Meshcheryakov eugen@debian.org:
        * configure.ac (HAVE_LIBSQLITE3): Complete AC_DEFINE.

        * configure, INSTALL, missing, compile, depcomp, install-sh:
        autoreconf -fi'd.

2008-02-09  Frank Ch. Eigler  <fche@elastic.org>

        PR 5751.
        * configure.ac: Add -Werror to trial compilation with
        -fstack-protector-all, for hosts that don't quite support it.
        * configure: Regenerated.

2008-02-08  David Smith  <dsmith@redhat.com>

        PR 5650
        * systemtap.spec.in: Further simplification.

2008-02-07  Frank Ch. Eigler  <fche@elastic.org>

        * buildrun.cxx (run_make_cmd, compile_pass): Tweak kbuild
        parametrization to produce useful compile logs at -vv.

2008-02-04  David Smith  <dsmith@redhat.com>

        PR 4446 (partial)
        * tapsets.cxx
        (mark_var_expanding_copy_visitor::visit_target_symbol_arg): New
        function.
        (mark_var_expanding_copy_visitor::visit_target_symbol_format): New
        function.
        (mark_var_expanding_copy_visitor::visit_target_symbol): Handles
        "$arg" or "$format".
        (mark_derived_probe_group::emit_module_decls): Sets up "$format"
        data.

        PR 5650 (parital)
        * systemtap.spec.in: Moved %pre section to the systemtap-runtime
        rpm.

2008-01-30  David Smith  <dsmith@redhat.com>

        PR 5650
        * systemtap.spec.in: Simplified and explicitly specifies configure
        options.

2008-01-30  Dave Brolley  <brolley@redhat.com>

        * coveragedb.cxx (print_coverage_info): Fix typo: s.probes -> s.unused_probes
        where appropriate.
        (sql_update_unused_probes): Likewise.

2008-01-29  Frank Ch. Eigler  <fche@elastic.org>

        PR 5647
        * configure.ac (--enable-ssp): Make default on compilers that
        support it.
        * configure: Regenerated.

2008-01-28  David Smith  <dsmith@redhat.com>

        * configure.ac: Fixed a bug when "--disable-permon" was used.
        Added "--enable-crash" option.
        * configure: Regenerated.
        * Makefile.am: Improved staplog.so compile command.
        * Makefile.in: Regenerated.

        * tapsets.cxx (dwarf_derived_probe_group::emit_module_decls):
        Added 'const' to several members of stap_dwarf_probes.

        PR 5685.  From Eugeniy Meshcheryakov <eugen@debian.org>
        * configure.ac: If "--enable-sqlite" is specified, define
        HAVE_LIBSQLITE3.
        * configure: Regenerated.

2008-01-26  Frank Ch. Eigler  <fche@elastic.org>

        PR 5673.
        * tapsets.cxx (dwarf_derived_probe_group): Split stap_dwarf_probes[]
        into bss-carried kprobes structs.  Tune embedded strings for
        minimizing relocation-vs-fixed-buffer wastage.
        * tapsets.cxx (dwarf_derived_probe): Impose .maxactive() limits.

2008-01-25  Jim Keniston  <jkenisto@us.ibm.com>

        * runtime/uprobes/uprobes.c: Within a probed process, serialize
        calls to access_process_vm() when populating instructions
        slots.  Fixes an SMP bug on multithreaded apps with many
        active probepoints.
        * runtime/uprobes/uprobes.h: Ditto

2008-01-25  Frank Ch. Eigler  <fche@elastic.org>

        PR 5672.
        * staptree.cxx (probe_point copy ctor): New function.
        * staptree.h: Declare it.
        * tapsets.cxx (dwarf_derived_probe ctor): Call it to shallow-copy
        incoming base probe location before recomputing/overwriting it.

2008-01-25  David Smith  <dsmith@redhat.com>

        * configure.ac: Compressed the two perfmon options into one.
        Made other small fixes and whitespace changes.
        * configure: Regenerated.

2008-01-24  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am: Make another $(MKDIR) call visible.
        * Makefile.in: Regenerated.

2008-01-24  David Smith  <dsmith@redhat.com>

        PR 5661 (reverted).
        * configure.ac: Removed elfutils version number check.
        * configure: Regenerated.
        * acsite.m4: Removed.
        * systemtap.spec.in: Minimum elfutils version number is no longer
        filled in by configure.

        PR 5650 (partial).
        * configure.ac: Handles sqlite optional functionality correctly.
        If enabled/disabled by the user, do the right thing.  If not
        specified by the user, use it if present.
        * configure: Regenerated.
        * systemtap.spec.in: Always specify to configure whether to use
        sqlite or not.

2008-01-24  Dave Brolley  <brolley@redhat.com>

        PR 5017.
        * staptree.cxx (<cstring>): #include it.
        (required <indexable *>): Remove 'static' from instantiation and
        move instantiation to here from...
        * staptree.h: ...here.

2008-01-23  David Smith  <dsmith@redhat.com>

        PR 5661.
        * configure.ac: Checks elfutils version number.
        * acsite.m4: New file containing macro to return elfutils version
        number.
        * configure: Regenerated.
        * systemtap.spec.in: Minimum elfutils version number is now filled
        in by configure.

2008-01-23  Dave Brolley  <brolley@redhat.com>

        PR 5613.
        * translate.cxx (var::fini): New method.
        (c_unparser::emit_module_init): Call var::fini when deregistering
        variables without indices.
        (c_unparser::emit_module_exit): Likewise.

2008-01-23  Frank Ch. Eigler  <fche@elastic.org>

        PR 2151.
        * tapsets.cxx (dwflpp::setup): Parametrize debuginfo_path.
        * stap.1.in: Document this.

2008-01-22  Jim Keniston  <jkenisto@us.ibm.com>

        * runtime/uprobes/uprobes.c: Fix from Srinivasa: Recast
        rcu_dereferences of engine->data to resync with kernel.org
        builds.

2008-01-18  Srinivasa DS <srinivasa@in.ibm.com>

        PR 5549
        * buildrun.cxx : Verify whether kernel has register rename patch
        through autoconf files.
        * runtime/(loc2c-runtime.h, procfs.c, regs.c, regs.h,
        stack-i386.c, autoconf-x86-uniregs.c, autoconf-nameidata.c) : Use
        appropriate register name at runtime, based on whether kernel has
        register rename patch or not.

2008-01-18  Jim Keniston  <jkenisto@us.ibm.com>

        * runtime/uprobes/uprobes.c: Added static copy of
        access_process_vm(), for kernels that don't export it.

2008-01-18  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac, systemtap.spec.in: Update version to 0.6.1
        * configure: Regenerated.

2008-01-17  Srinivasa DS <srinivasa@in.ibm.com>

        PR 5483
        * tapsets.cxx : Possible fix for making systemtap compatible with
        the elfutils-0.131

2008-01-17  Frank Ch. Eigler  <fche@elastic.org>

        PR 4935.
        Reorganize probe condition implementation.
        * elaborate.cxx (add_condition): New function.
        (derived_probe): Remove condition member.
        (derived_probe ctors): Assert non-null incoming probe/location ptrs.
        (insert_condition_statement): Remove; turn into ...
        (semantic_pass_conditions): New pass-2 subpass.
        (semantic_pass_symbols, visit_symbol, visit_functioncall, find_var):
        Detect some condition-related error cases.
        (match_key): Change type to exp_type from tok_type.  Update callers.
        (alias_expansion_builder): Propagate probe conditions.
        * staptree.cxx (probe): Remove condition field and related functions.
        * tapsets.cxx (dwarf_derived_probe ctor): Compute replacement
        wildcard-expanded probe_point preserving more of the original
        location.
        (mark_derived_probe ctor): Make similar to others - take location
        rather than condition parameters.
        * translate.cxx (emit_common_header): Tweak ordering of tmpcounter
        traversal and hashkey expression generation.
        * elaborate.h: Corresponding changes.

2008-01-17  David Smith  <dsmith@redhat.com>

        * tapsets.cxx
        (procfs_var_expanding_copy_visitor::visit_target_symbol): Print an
        error when trying to use the procfs target variable '$value' as an
        array or structure.
        (perfmon_var_expanding_copy_visitor::visit_target_symbol): Print an
        error when trying to use the perfmon target variable '$counter as
        an array or structure.

2008-01-17  Srinivasa DS  <srinivasa@in.ibm.com>

        PR 5483.
        * tapsets.cxx (emit_address): Tolerate dummy relocation entry
        added for kernel by recent elfutils.

2008-01-16  David Smith  <dsmith@redhat.com>

        PR 5608.
        * tapsets.cxx
        (mark_var_expanding_copy_visitor::visit_target_symbol): Print an
        error when trying to use a marker argument as an array or
        structure.

2008-01-16  Eugene Teo  <eteo@redhat.com>

        * stapfuncs.5.in: Document signal.stp tapset functions.

2008-01-14  Martin Hunt  <hunt@redhat.com>
        * translate.cxx (emit_module_init): Call _stp_print_kernel_info()
        to print out version information and internal memory usage stats.

2008-01-14  Martin Hunt  <hunt@redhat.com>
        * translate.cxx (emit_module_exit): When using timing, delete timing
        stats when finished.

2008-01-12  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Generate a build tree SNAPSHOT file from git-rev-list,
        if we suspect the source tree came from git.
        * configure: Regenerated.

2008-01-12  Frank Ch. Eigler  <fche@elastic.org>

        PR 5603.
        * configure.ac: Add "--enable-ssp" to select -fstack-protector-all
        and similar runtime checking directives.
        * configure: Regenerated.

2008-01-09  David Smith  <dsmith@redhat.com>

        * systemtap.spec.in: Since "make check" was removed
        from the rpm build step, we no longer need to require dejagnu at
        build time.

2008-01-09  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (dwflpp::setup): Improve missing kernel-debuginfo
        message.

2008-01-02  Frank Ch. Eigler  <fche@elastic.org>

        From Mark McLoughlin <markmc@redhat.com>:
        * main.cxx (main): Set/restore umask around mkdtemp().

2007-12-27  Jim Keniston  <jkenisto@us.ibm.com>

        * runtime/uprobes/uprobes_x86_64.c: Fix handling of indirect
        jmps and calls that use rip-relative addressing.  Allow probing
        of opcode 0x63.

2007-12-13  Masami Hiramatsu  <mhiramat@redhat.com>

        * stap.1.in: Document about relay buffer sharing.
        * NEWS: Document about relay buffer sharing and staplog crash extension.

2007-12-12  Wenji Huang <wenji.huang@oracle.com>

        PR 5470
        * parse.cxx (parser::parse_probe_point): Add checking pointer t.

2007-12-11  Frank Ch. Eigler  <fche@elastic.org>

        * staptree.cxx, staptree.h: More GCC 4.3 build fixes from
        Eugeniy Meshcheryakov <eugen@debian.org>.

2007-12-05  William Cohen  <wcohen@redhat.com>

        * systemtap.spec.in: Correct Source to point to location contain code.

2007-12-05  Masami Hiramatsu  <mhiramat@redhat.com>

        PR 4935
        * tapsets.cxx (dwarf_derived_probe::dwarf_derived_probe): Allow user
        to access kernel variables in the condition of probe points.
        * stapprobes.5.in : Document the conditional probe point.
        * NEWS : Ditto.

2007-12-03  Masami Hiramatsu  <mhiramat@redhat.com>

        PR 5376
        * parse.cxx (lexer::scan): Treat '*' as an alphabet if the wildcard
        flag is true.
        (parser::parse_probe_point): Call parser::next() with wildcard = true.
        (parser::scan_pp): Add wildcard flag and pass it to lexer::scan.
        (parser::next): Ditto.
        (parser::peek): Ditto.
        * parse.h : Ditto.

2007-12-01  Frank Ch. Eigler  <fche@elastic.org>

        * gen-stapmark.h, stapmark.h: Retire.

2007-11-29  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (mark_derived_probe::initialize_probe_context_vars):
        Handles the case where one marker has more than one string
        argument.

2007-11-27  David Smith  <dsmith@redhat.com>

        PR 5377.
        * elaborate.cxx (match_node::find_and_build): Handle wildcards in
        probe points correctly.

2007-11-26  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (derived_probe ctor): Don't duplicate condition
        if it doesn't exist.
        * staptree.cxx (probe_point, probe ctors): Initialize to 0.

2007-11-20  Masami Hiramatsu  <mhiramat@redhat.com>

        PR 4935.
        * parse.cxx (parser::parse_probe_point): Parse "if" condition
        following probe point.
        * staptree.h (probe_point): Add "condition" field.
        (probe): Add "condition" field and "add_condition" method.
        (deep_copy_visitor): Add "deep_copy" method for the expression.
        * staptree.cxx (probe_point::probe_point): Initalize it.
        (probe::add_condition): Implement it.
        (probe::print): Output "condition" field.
        (probe::str): Ditto.
        (deep_copy_visitor::deep_copy): Implement it.
        * elaborate.h (derived_probe): Add "insert_condition_statement"
        method.
        * elaborate.cxx (derived_probe::derived_probe): Initialize "condition"
        field, and insert a condition check routine on the top of body.
        (derived_probe::insert_condition_statement): Implement it.
        (alias_expansion_builder::build): Pass the condition from the alias
        referer to new alias.
        * tapsets.cxx (be_derived_probe): Remove unused constructor.
        (dwarf_derived_probe::dwarf_derived_probe): Insert a condition check
        routine on the top of body.
        (mark_derived_probe::mark_derived_probe): Ditto.
        (mark_builder::build): Pass the base location to mark_derived_probe.


2007-11-19  Frank Ch. Eigler  <fche@elastic.org>

        PR 3887.
        * staptree.h (probe_point): Add "sufficient" field.
        * staptree.cxx: Initialize it, print it.
        * parse.cxx (parse_probe_point): Parse it.
        * elaborate.cxx (derive_probes): Implement it.
        * stapprobes.5.in: Document it.
        * NEWS: Gloat about it.

2007-11-15  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (mark_derived_probe::initialize_probe_context_vars):
        Updated to work with latest LTTNG patch
        patch-2.6.24-rc2-lttng-0.10-pre23.tar.bz2.
        (mark_derived_probe_group::emit_module_decls): Ditto.
        (mark_derived_probe_group::emit_module_init): Ditto.
        (mark_derived_probe_group::emit_module_exit): Ditto.

        * translate.cxx (c_unparser::emit_common_header): Ditto.

2007-11-15  Mike Mason <mmlnx@us.ibm.com>

        * systemtap.spec.in: Removed "make check" from rpm build steps

2007-11-15  David Smith  <dsmith@redhat.com>

        * tapsets.cxx: Removed mark_query structure.
        (mark_derived_probe::mark_derived_probe): Just looks for "kernel"
        marker probes.
        (mark_builder::build_no_more): No longer kern_dw, instead clears
        the marker cache.
        (mark_builder::build): Now parses Module.markers file to find
        marker list and stores them in a cache.
        (register_standard_tapsets): Removed 'module("foo").mark("bar")'.
        All markers now go through 'kernel.mark("bar")'.

        * stapprobes.5.in (parts): Updated marker text.

2007-11-14  Jim Keniston  <jkenisto@us.ibm.com>

        PR 5324
        * main.cxx: Restored initialization of need_uprobes flag,
        mistakenly backed out in PR 5270 fix.

2007-11-14  Zhaolei  <zhaolei@cn.fujitsu.com>

        * stapfuncs.5.in (tokenize): Change NULL to blank to avoid
        misunderstanding.

2007-11-13  Jim Keniston  <jkenisto@us.ibm.com>

        PR 5270
        * main.cxx: Restored pre-10-08 version: moved uprobes build to
        buildrun.cxx.
        * buildrun.cxx: Reworked uprobes build so that the resulting
        Module.symvers can be used in building the stap-generated
        module.  If user isn't root, call verify_uprobes_uptodate()
        rather than trying (and failing) to rebuild uprobes.ko.
        * buildrun.h: uprobes_enabled() and make_uprobes() are no
        longer extern.
        * runtime/uprobes/Makefile: Added uprobes.ko target for use
        by verify_uprobes_uptodate().

2007-11-12  Martin Hunt  <hunt@redhat.com>

        * stap.1.in: Replaced references to the log() function.
        * stapex.5.in: Ditto.
        * stapfuncs.5.in: Ditto. ALso remove print and printf.  They are
        documented in stap.1.in.

2007-11-12  Martin Hunt  <hunt@redhat.com>

        * translate.cxx (visit_print_format): Strings without a format or
        formatted with "%s" or "%s\n" should be printed with calls to _stp_print().
        Call _stp_print_char() if printing a char.

        * staptree.cxx (parse_print): Check for "print_char".

        * staptree.h (struct print_format): Add print_char.
        (parse_print): Update prototype.

        * parse.cxx (parse_symbol): Set print_char bool in print_format.

2007-11-12  Martin Hunt  <hunt@redhat.com>

        * tapsets.cxx (build_blacklist): Add __raw_spin_is_locked.

2007-10-25  Josh Stone  <joshua.i.stone@intel.com>

        PR 5219
        * stap.1.in: Add a note about string literal limitations in printf
        and printd.

2007-10-22  Jim Keniston  <jkenisto@us.ibm.com>

        * runtime/uprobes/uprobes_x86_64.[ch]: Added x86_64 uprobes support

2007-10-19  Jim Keniston  <jkenisto@us.ibm.com>

        * runtime/uprobes/uprobes_ppc64.h,uprobes_s390.c: Fixed 10/16
        update to arch_validate_probed_insn() decl.

2007-10-19  Masami Hiramatsu <mhiramat@redhat.com>

        * staplog.c: Cleanup code and remove end-of-line spaces.
        (create_output_filename): Use snprintf instead of sprintf and remove
        malloc().
        (print_rchan_info): Merge into output_cpu_logs().
        (open_output_file): Use GETBUF() instead of malloc().
        (output_cpu_logs): Simplify logic and remove unused code.
        (do_staplog): Merge into cmd_staplog().
        (help_staplog): Fix typos.
        * Makefile.am (STAPLOG): Add -Wall option.
        * Makefile.in: Regenerated.

2007-10-19  Masami Hiramatsu <mhiramat@redhat.com>

        From Satoru Moriya <satoru.moriya.br@hitachi.com>:
        * staplog.c (create_output_dir): New function for creating output
        directory.
        (create_output_filename): New function for making output filename.
        (print_rchan_info): New function for displaying relay channel status.
        (open_output_file): New function for opening output file.
        (output_cpu_logs): Cleanup code and fix bugs to retrieve buffer
        data even when the last buffer is full and even if the systemtap
        uses old(non-utt) format. Add a routine for '-a' option.
        (cmd_staplog): Add '-a' option.
        (help_staplog): Ditto.

2007-10-18  Mike Mason <mmlnx@us.ibm.com>

        * stapprobes.5.in: Removed C label reference.
        Clarified source path requirements for probe
        definitions.  Fixed some vertical spacing
        issues.

2007-10-18  Mike Mason <mmlnx@us.ibm.com>

        * stapfuncs.5.in: Corrected tokenize description.
        Added task_* functions.

2007-10-16  Jim Keniston  <jkenisto@us.ibm.com>

        * runtime/uprobes/uprobes.[ch], uprobes_i386.[ch],
        uprobes_ppc64.h, uprobes_s390.h: Adjusted SLOT_IP and
        arch_validate_probed_insn to accept task pointer (needed by
        x86_64); added uprobe_probept_arch_info and uprobe_task_arch_info
        (ditto).
        * runtime/uprobes/uprobes_i386.c: Fixed a couple of glitches
        discovered when porting to x86_64

2007-10-15  Roland McGrath  <roland@redhat.com>

        PR 5101
        * loc2c.c (struct location): Replace regno union member with struct
        member reg, fields regno and offset.
        (translate): Update uses.
        (emit_base_fetch, emit_base_store, emit_loc_register): Likewise.
        Fail if reg.offset is not zero.
        (location_relative): Handle DW_OP_plus_uconst relative to loc_register.
        (c_translate_array): Handle array index into loc_register.

2007-10-15  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (mark_query::handle_query_module): Checks for marker
        to be in the proper section.
        (mark_derived_probe_group::emit_module_decls): Updated emitted
        marker C code for 10/2/2007 markers patch.  Fixes PR 5178.

        From David Wilder <dwilder@us.ibm.com>
        * tapsets.cxx (mark_query::handle_query_module): Updated to handle
        64-bit platforms correctly.

2007-10-15  Zhaolei  <zhaolei@cn.fujitsu.com>

        From Cai Fei <caifei@cn.fujitsu.com>
        * conversions.stp: Add a function kernel_string_n for copy
        non-0-terminated string with fixed length from kernel space at
        given address.
        * stapfuncs.5.in: Add kernel_string_n.
        * nfsd.stp: Using kernel_string_n to copy non-0-terminated string
        with fixed length from kernel space at given address.
        * nfs_proc.stp: Ditto.

2007-10-12  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (dwflpp::setup): Added 'debuginfo_needed' parameter
        to not error if no debuginfo present.
        (hex_dump): New function.
        (mark_query::handle_query_module): Updated for
        10/2/2007 markers patch.  Currently only handles markers in the
        kernel image itself - not in modules.

2007-10-12  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (staprun_LDADD): Add -lpthread.
        * Makefile.in: Rebuilt.

2007-10-11  Frank Ch. Eigler  <fche@elastic.org>

        * systemtap.spec.in: Make -testsuite subrpm require dejagnu.

2007-10-10  Jim Keniston  <jkenisto@us.ibm.com>

        * runtime/uprobes/uprobes_ppc64.[ch]: Added
        * runtime/uprobes/uprobes_s390.[ch]: Added

2007-10-09  Jim Keniston  <jkenisto@us.ibm.com>

        PR 5083
        * runtime/uprobes/uprobes.c: Adjust module ref-count
        when creating or removing uprobe_process, so "rmmod
        --wait uprobes" waits as needed until uretprobed
        functions return.

2007-10-08  Jim Keniston  <jkenisto@us.ibm.com>

        PR 5079
        * main.cxx: Add pass 4.5: make uprobes.ko in runtime/uprobes
        * buildrun.cxx: Add uprobes_enabled() and make_uprobes().
        Factor run_make_cmd() out of compile_pass().
        * buildrun.h: Add uprobes_enabled and make_uprobes decls.
        * tapsets.cxx: Do correct #include for modprobed uprobes.ko;
        set need_uprobes in pass 2.
        * session.h: Add need_uprobes

        * runtime/staprun/common.c: Add -u option -> need_uprobes
        * runtime/staprun/staprun_funcs.c: Generalize insert_module()
        to support inserting uprobes.ko.
        * runtime/staprun/staprun.c: Add enable_uprobes().  insert_module
        call becomes insert_stap_module().
        * runtime/staprun/staprun.h: Reflect insert_module() and
        need_uprobes changes

        * runtime/uprobes/*.[c,h]: uprobes is built as a module,
        rather than included into the source of the stap-generated
        module.
        * runtime/uprobes/Makefile: Added

2007-10-05  Frank Ch. Eigler  <fche@elastic.org>

        PR 1119
        * elaborate.cxx (semantic_pass_opt[12]): Warn on elided
        variables/functions in user script.
        * session.h (suppress_warnings): New field.  Change
        "timing" to plain old bool.
        * main.cxx (main): Configure warnings on by default.
        * stap.1.in: Document this.

2007-10-05  Frank Ch. Eigler  <fche@elastic.org>

        PR 5036
        * systemtap.spec.in: Create new systemtap-testsuite sub-rpm.
        Install crash(8)'s staplog.so into -runtime sub-rpm if built.
        * Makefile.am (rpm): New target.
        * Makefile.in: Regenerated.

2007-10-04  Frank Ch. Eigler  <fche@elastic.org>

        * stapfuncs.5.in: Document inet.stp tapset functions.

2007-10-04  David Smith  <dsmith@redhat.com>

        * buildrun.cxx (compile_pass): Tweaked build system for the
        2.6.23-rc8-mm2 kernel.

2007-10-03  Frank Ch. Eigler  <fche@elastic.org>

        PR 5102
        * translate.cxx (visit_statement): Add new parameter regarding whether
        c->last_stmt needs to be updated.  Update callers, mostly passing
        "false".
        (visit_EXPRESSIONTYPE): Generally omit setting c->last_stmt, unless
        the construct can set c->last_error.

2007-10-03  Frank Ch. Eigler  <fche@elastic.org>

        PR 5096
        * translate.cxx (emit_function): Put nesting limit/control logic into
        function body ...
        (visit_functioncall): ... and not into each call site.

2007-10-02  Frank Ch. Eigler  <fche@redhat.com>

        PR 3635
        * translate.cxx (emit_global): Wrap all globals and locks into one
        top-level struct.  Update references to former "global_VAR" prefix.
        * translate.h (emit_global_init): New function.

2007-10-02  Frank Ch. Eigler  <fche@redhat.com>

        PR 5078
        * tapsets.cxx (be_derived_probe): Rework to add error probe support.
        Emit probe description array in C for traversal by generated code.
        * register_standard_tapsets: Add error probes.
        * stapprobes.5.in: Document.
        * translate.cxx (emit_module_init): Handle errors that may occur
        during begin probes.
        (emit_module_exit): Use schedule() rather than cpu_relax() during
        shutdown synchronization wait loop.
        * staptree.cxx (probe::printsig): Put multiple probe points on same
        line.

2007-09-28  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.in: Regenerated from Jim Keniston's uprobes Makefile.am
        changes.

2007-09-25  Josh Stone  <joshua.i.stone@intel.com>

        * tapsets.cxx (translator_output::~translator_output): Fix mismatched
        delete / delete [].

2007-09-25  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (mark_query::handle_query_module): Updated for
        9/18/2007 markers patch.
        (mark_derived_probe::parse_probe_sig): Ditto.
        (mark_derived_probe_group::emit_module_decls): Ditto.
        (mark_derived_probe_group::emit_module_init): Ditto.
        (mark_derived_probe_group::emit_module_exit): Ditto.

2007-09-24  Masami Hiramatsu <mhiramat@redhat.com>

        PR 3916
        * buildrun.cxx (compile_pass): Add new autoconf options for checking
        time related APIs.

2007-09-21  Frank Ch. Eigler  <fche@elastic.org>

        rhbz #300121
        * elaborate.cxx (dead_stmtexpr_remover): Add visit_if_statement,
        visit_foreach_loop, visit_for_loop): Support elision for unbraced
        statement bodies.
        (visit_expr_statement): Assert absence of unexpected nesting.

2007-09-17  David Smith  <dsmith@redhat.com>

        PR 1154
        * stapprobes.5.in: Documented procfs probes.

        * tapsets.cxx (procfs_builder::build): Validate procfs path.

2007-09-14  David Smith  <dsmith@redhat.com>

        PR 1154
        * tapsets.cxx
        (procfs_var_expanding_copy_visitor::visit_target_symbol):
        Disallows reading from $value in a procfs read probe.

2007-09-14  David Smith  <dsmith@redhat.com>

        PR 1154
        * tapsets.cxx (procfs_derived_probe_group::emit_module_init):
        Fixed problem where if only one type (read/write) of procfs probe
        was defined, the generated code wouldn't compile.

2007-09-13  David Smith  <dsmith@redhat.com>

        PR 1154
        * tapsets.cxx (procfs_derived_probe::procfs_derived_probe):
        Removed debug print.
        (procfs_derived_probe_group::emit_module_decls): Improved error
        handling and added support for procfs.write probes.
        (procfs_var_expanding_copy_visitor::visit_target_symbol): Removed
        debug print.

2007-09-12  Frank Ch. Eigler  <fche@elastic.org>

        * parse.cxx (parse_symbol): Accept println(@hist*()).

2007-09-12  Frank Ch. Eigler  <fche@elastic.org>

        PR 5023
        * translate.cxx (c_unparser::visit_literal_number): Support LLONG_MIN.
        (visit_unary_expression): Likewise.

2007-09-12  Martin Hunt  <hunt@redhat.com>

        PR 5019
        * elaborate.cxx (visit_hist_op): Remove log histogram param.
        * translate.cxx (assert_hist_compatible): Ditto.
        * staptree.cxx (hist_op::print): Ditto.
        * session.h (statistic_decl): Ditto.

        * parse.cxx (expect_number): Allow negative numbers.
        Also validate that input is really numeric. This is used
        by histograms to get the parameters.
        (parse_hist_op_or_bare_name): Remove code to get parameter
        for log histograms.

2007-09-12  David Smith  <dsmith@redhat.com>

        * translate.cxx (c_unparser::emit_common_header): Added 'data'
        variable to context structure to support procfs probes.
        * tapsets.cxx: Improved procfs probe handling.

2007-09-10  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (procfs_derived_probe_group::emit_module_init):
        Improved procfs probe handling (still non-working).
        (procfs_builder::build): Ditto.
        (register_standard_tapsets): Ditto.
        (all_session_groups): Ditto.

2007-09-10  Martin Hunt  <hunt@redhat.com>

        * tapsets.cxx, session.h, elaborate.cxx: Start of procfs
        interaction support. PR 1154.

2007-09-06  Masami Hiramatsu <mhiramat@redhat.com>

        PR 4542
        * tapsets.cxx (dwarf_query::build_blacklist): add __switch_to to
        blacklisted_return_probes on i686

2007-08-30  David Smith  <dsmith@redhat.com>

        PR 4983
        * translate.cxx (c_tmpcounter::visit_print_format): Don't declare
        temporaries for number and string constants.
        (c_unparser::visit_print_format): Use numeric and string constants
        directly instead of copying them into temporaries.

2007-08-27  Frank Ch. Eigler  <fche@redhat.com>

        PR 4817
        * NEWS: Mention retirement of LKET.
        * configure.ac: Remove mysql dependency.
        * systemtap.spec.in: Remove glib2 dependency.
        * configure, config.in: Regenerated.

2007-08-24  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Check for proper $PROCFLAGS-dependent -lcap.
        * Makefile.am (staprun_LDADD): Use autoconf variable rather than
        -lcap literal.
        * configure, aclocal.m4, Makefile.in, config.in: Regenerated.

2007-08-24  Frank Ch. Eigler  <fche@redhat.com>

        PR 4899
        * tapsets.cxx (dwflpp::has_single_line_record): Extended,
        abstraction violated.
        (iterate_over_srcfile_lines): Remove exactly line number match
        logic.  Improve error message to offered better-checked alternative
        line numbers.
        (query_srcfile_line): Whoops, pass scope_die down for statement("...")
        probes, to enable $target var processing.

2007-08-21  David Smith  <dsmith@redhat.com>

        PR 2305
        * translate.cxx (c_unparser::visit_foreach_loop): When the user
        requested sorting an array of aggregates by value, sort by
        @count.

2007-08-20  Martin Hunt  <hunt@redhat.com>

        PR 2424
        From Lai Jiangshan <laijs@cn.fujitsu.com:
        * util.cxx (cmdstr_quoted): New. Properly quote
        command string.
        * buildrun.cxx (run_pass): Call cmdstr_quoted().

2007-08-20  Frank Ch. Eigler  <fche@elastic.org>

        From Satoru MORIYA <satoru.moriya.br@hitachi.com>
        * staplog.c: Updated.

2007-08-20  David Smith  <dsmith@redhat.com>

        From Lai Jiangshan <laijs@cn.fujitsu.com>
        * main.cxx (main): Make sure the '-c' and '-x' options can't be
        specified together.

2007-08-17  Frank Ch. Eigler  <fche@elastic.org>

        As suggested by "Zhaolei" <zhaolei@cn.fujitsu.com>:
        * elaborate.cxx (semantic_pass_optimize[12],
        unresolved, invalid, mismatch): Use stringstream and
        print_error(semantic_error) instead of ad-hoc cerr.

2007-08-16  Frank Ch. Eigler  <fche@elastic.org>

        PR 1315.
        * stapfuncs.5.in: Document new target_set tapset.

2007-08-16  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (install-exec-hook): Only make staprun setuid if
        "make install" is being run as root.
        * Makefile.in: Regenerated.

2007-08-16  Josh Stone  <joshua.i.stone@intel.com>

        PR 4591
        * parse.cxx (parser::parse_symbol): Tweak 'print' matching to allow
        all the new variants with printd and println.
        * staptree.h (struct print_format): Add fields for the new print
        variants, and parse_print() to help matching.
        * staptree.cxx (print_format::parse_print): New static method to
        match the print variants and determine their properties.
        (print_format::print): Handle the new print types.
        (deep_copy_visitor::visit_print_format): Copy the new fields.
        * translate.cxx (c_unparser::visit_print_format): Insert delims and
        newlines where appropriate for new print functions.
        * stap1.in: Document the new print functions.

2007-08-15  David Smith  <dsmith@redhat.com>

        * systemtap.spec.in: Updated %pre to latest Fedora group creation
        guidelines.

        * stap.1.in: Changed '/usr' to '@prefix@' so the values will be
        updated correctly.
        * stapfunc.5.in: Ditto.

        * README.security: Typo fix.

2007-08-15  Martin Hunt  <hunt@redhat.com>

        * Makefile.am: Removed stap_merge.
        * Makefile.in: Rebuilt.

2007-08-14  David Smith  <dsmith@redhat.com>

        Merge from setuid-branch.  Changes also by Martin Hunt
        <hunt@redhat.com>.

        * Makefile.am: Added staprun_funcs.c and cap.c to
        staprun_SOURCES.  Added -lcap to staprun_LDADD.  Removed
        stp_check reference. Added stapio program.  Staprun is now
        setuid.
        * Makefile.in: Rebuilt.

        * configure.ac: Version increase to 0.6 and checks for libcap
        availability.  Removed stp_check reference.
        * configure: Regenerated.
        * stp_check.in: Removed.

        * systemtap.spec.in: Version increase to 0.6-1 and added
        BuildReq for libcap-devl (and removed sudo requirement).
        Added %pre script to create new groups.  Staprun is now
        setuid.

        * NEWS: Added info on new security model.
        * INTERNALS: Removed sudo reference.

        * README.security: New file.

        * main.cxx (main): Make sure module name isn't too long.
        * hash.cxx: Moved MODULE_NAME_LEN define to hash.h.
        * hash.h: Moved MODULE_NAME_LEN define here from hash.cxx.

        * buildrun.cxx (run_pass): No longer runs staprun with "sudo".

        * stap.1.in: Removed sudo references and added information about
        the stapdev/stapusr groups.
        * staprun.8.in: Added information about module detaching and
        attaching.  Removed sudo references and added information
        about the stapdev/stapusr groups.  Removed reference to
        staprun needing to be run as root.  Removed reference to
        removed '-u USERNAME' option.

        * .cvsignore: Removed stp_check and added stapio and stap_merge.

2007-08-10  Josh Stone  <joshua.i.stone@intel.com>

        PR 4593
        * translate.cxx (c_unparser::emit_common_header): Add an
        error_buffer to the context to allow dynamic error messages.
        * tapsets.cxx (dwflpp::express_as_string): Let deref / store_deref
        fill in last_error with a detailed message.

2007-08-09  Frank Ch. Eigler  <fche@elastic.org>

        From Lai Jiangshan <laijs@cn.fujitsu.com>:
        * translate.cxx (emit_module_exit): Use stp_warn for warning.

2007-08-07  Frank Ch. Eigler  <fche@redhat.com>

        PR 4846
        * parse.cxx (input_put): New function, sort of like stdio ungetc.
        (input_get): Skip cursor position changing for input_put strings.
        (scan): Rework $.../@... substitution into character pasting.
        * parse.h: Corresponding changes.
        * util.h (lex_cast_qstring): Octal-quote unprintable characters.
        * stap.1.in, NEWS: Document new behaviour.

2007-07-26  David Smith  <dsmith@redhat.com>

        PR 4295
        * main.cxx (main): If '-m MODNAME' is used, the generated module
        is saved in the current directory.
        * stap.1.in: Updated '-m' description.

2007-07-11  William Cohen  <wcohen@redhat.com>

        * systemtap.spec.in: Make sqlite support selectable.

2007-07-11  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Don't AC_MSG_ERROR if don't HAVE_LIBSQLITE3.
        * coveragedb.cxx: Compile to nothing unless HAVE_LIBSQLITE3.
        * main.cxx: Print no error message on -q if HAVE_LIBSQLITE3.
        * configure: Regenerated, looks rosier with HAVE_LIBSQLITE3.

2007-07-08  William Cohen  <wcohen@redhat.com>

        PR 4529
        * coveragedb.cxx (update_coverage_db): Make index "unique" to optimize.

2007-07-08  William Cohen  <wcohen@redhat.com>

        PR 4529
        * coveragedb.h (db_type): New enum for type column in coverage_element.
        (coverage_element): Remove removed column, change type to int.
        * coveragedb.cxx (has_table, has_index): New.
        (update_coverage_db): Use has_table, has_index.
        (enter_element): Change for new table format.
        (increment_element): Ditto.
        (sql_update_used_probes): Ditto.
        (sql_update_unused_probes): Ditto.
        (sql_update_used_functions): Ditto.
        (sql_update_unused_functions): Ditto.
        (sql_update_used_globals): Ditto.
        (sql_update_unused_globals): Ditto.
        (update_coverage_db): Ditto.
        (print_coverage_info(systemtap_session): Relocate vector.
        (sql_update_used_probes): Ditto.
        (sql_update_unused_probes): Ditto.

2007-07-03  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Bumped version to 0.5.15 for development.
        * configure: Regenerated.

2007-07-03  Roland McGrath  <roland@frob.com>

        * Makefile.am (install-exec-local, install-elfutils): Use $(DESTDIR).
        (SRCDIR): Variable removed.
        (check): Use sh code in commands instead.
        * Makefile.in: Regenerated.

2007-07-02  William Cohen  <wcohen@redhat.com>

        PR 4717
        From Eugeniy Meshcheryakov <eugen@debian.org>
        * staptree.cxx: Add #include <cstdlib> for gcc 4.3.

2007-07-02  Frank Ch. Eigler  <fche@rechat.com>

        * staplog.c: New file from Satoru MORIYA
        <satoru.moriya.br@hitachi.com>, prototype crash(8) extension module.
        * configure.ac: Look for crash/defs.h.
        * Makefile.am: Build/install staplog.so shared library if found.
        * configure, Makefile, config.in, runtime/lket/b2a/Makefile.in:
        Regenerated.

2007-07-02  William Cohen  <wcohen@redhat.com>

        PR 4720
        * staptree.cxx (probe_point::print): Remove stray output.

2007-06-29  William Cohen  <wcohen@redhat.com>

        PR 4529
        * configure.ac:
        * Makefile.am: Limit where sqlite3 linked in.
        * configure:
        * Makefile.in: Regenerate.

2007-06-29  William Cohen  <wcohen@redhat.com>

        PR 4529
        * configure.ac:
        * Makefile.am: Limit where sqlite3 linked in.
        * configure:
        * Makefile.in: Regenerate.

        * coveragedb.cxx (update_coverage_db): Remove unneeded print.
        * coveragedb.cxx (increment_element): Correct formatting.

2007-06-26  William Cohen  <wcohen@redhat.com>

        * staptree.cxx (probe_point::print): Remove stray "\n".

2007-06-26  William Cohen  <wcohen@redhat.com>

        PR 4529
        * coveragedb.cxx: New.
        * coveragedb.h: New.
        * Makefile.am: Add coveragedb.cxx and sqlite3 to build.
        * Makefile.in: Regenerated.
        * configure.ac: Add test for sqlite3
        * configure: Regenerated.
        * systemtap.spec.in: Add dependencies for sqlite3/sqlite3-devel.
        * elaborate.h, elaborate.cxx
          (derived_probe::collect_derivation_chain): New.
          (alias_expansion_builder::build): Correct token location.
          (semantic_pass_opt[12): Track used and unused variables/functions.
        * session.h (tapset_compile_coverage, unused_globals,
          unused_probes, unused_functions): New fields.
        * staptree.h (unused_locals, probe_point::str): New member.
        * staptree.cxx: Ditto.
        * main.cxx: Add "-q" tapset coverage option and SYSTEMTAP_COVERAGE env.

2007-06-21  David Smith  <dsmith@redhat.com>

        * Makefile.in: Regenerated with automake 1.10.
        * aclocal.m4: Regenerated with aclocal 1.10.
        * configure: Regenerated.

2007-06-20  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (noinst_PROGRAMS): Add stap_merge.
        * Makefile.in: Rebuilt:
        * config.in: Rebuilt

2007-06-20  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Added AM_PROG_CC_C_O for compatibility with
        automake 1.10.
        * configure, aclocal.m4: Regenerated.

2007-06-20  David Smith  <dsmith@redhat.com>

        * buildrun.cxx (compile_pass): Unset environment variables that
        could interfere with building the kernel module.  Fixes PR 4664.
        * main.cxx (main): Unsets a few standard environment variables for
        safety.

2007-06-18  David Smith  <dsmith@redhat.com>

        * staprun.8.in: Fixed a couple of typos.

2007-06-15  Frank Ch. Eigler  <fche@elastic.org>

        PR 3331 cont'd.
        * loc2c.c (base_encoding): Tolerate absenece of DW_AT_encoding.
        (c_translate_pointer): Don't even try to find signedness, assume
        unsigned.

2007-06-14  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (emit_module_init): Emit translator/elfutils
        version numbers together.
        * main.cxx (version): Ditto.
        (main): Skip printing tapset directories where no sources were found.

2007-06-14  Frank Ch. Eigler  <fche@elastic.org>

        PR 3331 cont'd.
        * loc2c.c (emit_base_fetch): Emit size/signedness cast
        slightly differently for every low-level fetch.
        (translate_base_fetch, c_translate_fetch, c_translate_store,
        c_translate_pointer): Fetch & pass the $target signedness.
        (base_encoding): Follow typedefs etc.

2007-06-09  Frank Ch. Eigler  <fche@elastic.org>

        PR 4609
        From Eugeniy Meshcheryakov <eugen@debian.org>
        * staptree.cxx: Add #include <algorithm> for gcc 4.3.

2007-06-08  David Smith  <dsmith@redhat.com>

        PR 4553.
        * configure.ac: For x86 systems with gcc versions less than 4,
        automatically default to enabling prologue searching.
        * configure: Regenerated.

2007-06-05  Frank Ch. Eigler  <fche@redhat.com>

        PR 3331.
        * loc2c.c (emit_base_fetch): Emit size/signedness cast
        for every low-level fetch.
        (translate_base_fetch, c_translate_fetch, c_translate_store,
        c_translate_pointer): Fetch & pass the $target signedness.

2007-05-31  Frank Ch. Eigler  <fche@elastic.org>

        PR 3579
        From Eugeniy Meshcheryakov <eugen@debian.org>
        * cache.cxx, parse.cxx: Add #include <cstring> for gcc 4.3.

2007-05-30  Frank Ch. Eigler  <fche@redhat.com>

        PR 4567.
        * staptree.cxx (varuse_collecting_visitor): Add side-effect
        result query functions.
        * elaborate.cxx (dead_stmtexpr_remover::visit_expr_statement):
        Switch to it.
        (dead_assignment_remover::visit_assignment): Skip elision of
        lvalues with side-effects in index exprs.
        * staptree.h: Corresponding changes.

2007-05-25  Frank Ch. Eigler  <fche@redhat.com>

        PR 4255 teaser.
        * elaborate.cxx (has_null_param): New function.
        * elaborate.h: Declare it.
        * session.h: Include uprobe_derived_probes group.
        * tapsets.cxx (uprobe_*): New classes.
        (all_session_groups): List uprobes in list.
        (register_standard_tapset): Interpret
        process(#).statement(#).absolute and
        process(#).statement(#).absolute.return probe points.

2007-05-25  Martin Hunt  <hunt@redhat.com>

        Patch from Quentin Barnes.
        * tapsets.cxx (query_module): Add support for arm.

2007-05-21  David Smith  <dsmith@redhat.com>

        PR 4446.
        * elaborate.h (derived_probe::initialize_probe_context_vars): New
        virtual function that will allow added context vars to be
        initialized.
        * translate.cxx (c_unparser::emit_common_header): Added
        'mark_va_list'.
        (c_unparser::emit_probe): Calls new function
        initialize_probe_context_vars.
        (translate_pass): Includes linux/marker.h if CONFIG_MARKERS is
        defined.
        * tapsets.cxx (struct dwarf_query): Split into base_query (which
        contains most of the original code) and a much smaller
        dwarf_query class.
        (struct base_query): New class.
        (dwarf_query::handle_query_module): New function.
        (query_module): Moved code into dwarf_query::handle_query_module().
        (mark_derived_probe): Adjusted for new kernel markers.
        (mark_derived_probe_group): Ditto.
        (mark_var_expanding_copy_visitor): Ditto.
        (mark_var_expanding_copy_visitor::visit_target_symbol): Generates
        code for new kernel markers.
        (struct mark_query): New class.
        (mark_query::handle_query_module): New function.
        (mark_derived_probe::mark_derived_probe): Adjusted for new kernel
        markers.
        (mark_derived_probe::join_group): Ditto.
        (mark_derived_probe::emit_probe_context_vars): Ditto.
        (mark_derived_probe::parse_probe_sig): New function.
        (mark_derived_probe::initialize_probe_context_vars): New function.
        (mark_derived_probe::emit_module_decls): Adjust for new kernel markers.
        (mark_derived_probe::emit_module_init): Ditto.
        (mark_derived_probe::emit_module_exit): Ditto.
        (struct mark_builder): Ditto.
        (mark_builder::build): Ditto.

2007-05-08  Martin Hunt  <hunt@redhat.com>

        * buildrun.cxx (run_pass): Send proper verbosity
        level to staprun

2007-05-06  Frank Ch. Eigler  <fche@elastic.org>

        PR 1305.
        * tapsets.cxx (iterate_over_srcfile_lines): Exclude approximate
        file:lineno matches optimistically returned by dwarf_getsrc_file.
        (query_srcfile_line): Use Dwarf_Line line number for constructing
        derived_probe location string.

2007-05-02  David Smith  <dsmith@redhat.com>

        * translate.cxx (c_tmpcounter::visit_functioncall): Updated
        temporary handling.
        (c_unparser::visit_functioncall): No longer copies numeric and
        string constants to temporary variables.

2007-05-01  David Smith  <dsmith@redhat.com>

        * translate.cxx (c_tmpcounter::visit_binary_expression): Updated
        temporary handling.
        (c_unparser::visit_binary_expression): Improved handing of numeric
        constants when handling '%' and '/' operators.
        (c_tmpcounter::visit_print_format): Updated temporary handling.
        (c_unparser::visit_print_format): Removed the need for a result
        temporary when printing to a stream.

2007-04-30  David Smith  <dsmith@redhat.com>

        PR 2339
        * translate.cxx (c_unparser_assignment::c_assignop): Improved
        handling of numeric constants in the rest of the assignment
        operators.
        (c_tmpcounter_assignment::c_assignop): Updated temporary
        handling.

2007-04-29  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Mention testsuite/configure.ac for version matching.

2007-04-27  Frank Ch. Eigler  <fche@elastic.org>

        PR 4432.
        * buildrun.cxx (compile_pass): Tweak autoconf CFLAGS handling to
        avoid macro recursion but still get the needed -I directives.
        Add the inode-private autoconf test.

2007-04-26  Frank Ch. Eigler  <fche@elastic.org>

        PR 4432.
        * buildrun.cxx (compile_pass): Add $(mflags-y) to stap_check_build.

2007-04-26  Frank Ch. Eigler  <fche@elastic.org>

        * buildrun.cxx (compile_pass): Correct placement of commented-out
        "set -x" make-macro-debugging snippet.

2007-04-25  David Smith  <dsmith@redhat.com>

        PR 2339
        * translate.cxx: Renamed "qname" to "value" throughout, since
        there are times now when qname would refer to a constant value.
        (tmpvar::override): Added function to allow for overriding a
        temporary variable name with a string.
        (tmpvar::value): New function that returns either the overridden
        string or the temporary variable name.
        (c_unparser::c_expression): New function.
        (c_unparser_assignment::c_assignop): Speed up assignment when
        numeric or string constants are used.
        (c_tmpcounter::visit_block): Avoid empty structs inside the union
        of temporary variables.
        (c_tmpcounter_assignment::prepare_rvalue): New function.
        (c_tmpcounter_assignment::c_assignop): New function.
        (c_tmpcounter_assignment::visit_symbol): Update temporary
        declarations.
        (c_unparser_assignment::prepare_rvalue): Speed up use of rvalues
        by using numeric and string constants directly instead of copying
        them to temporaries first.
        (c_tmpcounter::load_map_indices): New function.
        (c_unparser::load_map_indices): Speed up use of numeric and string
        constants as map indices.
        (c_tmpcounter::visit_arrayindex): Updated temporary declarations.
        (c_tmpcounter_assignment::visit_arrayindex): Updated temporary
        declarations.
        * translate.h (class translator_output): Added tellp() and seekp()
        functions.

2007-04-24  Mike Mason <mmlnx@us.ibm.com>

        * man/stapprobes.socket.5.in: Removed do_write and do_read probes,
        added aio_write, aio_read, writev and readv probes.

2007-04-24  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (common_probe_entryfn_epilogue): Increment
        error_count when overload processing kicks in.

2007-04-24  Martin Hunt  <hunt@redhat.com>

        * stp_check.in: More tweaking of mount statement.

2007-04-23  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (die_entrypc): Expand search algorithm to
        check for "aranges", as sometimes occurs for inlined functions.

2007-04-20  Roland McGrath  <roland@redhat.com>

        * systemtap.spec.in (elfutils_version): Bump to 0.127.

2007-04-18  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (install-elfutils): Use $INSTALL_PROGRAM to
        copy elfutils shared libraries, as suggested by Perry Cheng
        <perryche@us.ibm.com>.

2007-04-18  Frank Ch. Eigler  <fche@elastic.org>

        * parse.cxx (scan_pp): Correct warnings from if/if/else nesting.

2007-04-10  Martin Hunt  <hunt@redhat.com>

        * stp_check.in: Fixes to make sure debugfs or relayfs are mounted
        exactly where we expect and other mounts are ignored.

2007-04-03  Pierre Peiffer  <pierre.peiffer@bull.net>

        * parse.cxx, parse.h (lexer::scan): Add $# and @# identifiers.
        (eval_pp_conditional, scan_pp): Allow the use of $x and @x identifiers.
        Produce more accurate error messages.
        * stap.1.in: Document $# and @# identifiers.

2007-04-04  Frank Ch. Eigler  <fche@elastic.org>

        GCC 4.3 compatibility patches from Debian.
        * buildrun.cxx, hash.cxx, tapsets.cxx, translate.cxx: #include a few
        more C++ headers.

2007-04-03  Frank Ch. Eigler  <fche@elastic.org>

        Improve error messages for underprivileged scripts.
        * parse.h (parse_error): Add skip_some member, true default.
        * parse.cxx (parse_embedded_code): Send false on missing -g.
        * parse.cxx (parser::parse): Respect flag during parse error
        recovery.

2007-04-02  Frank Ch. Eigler  <fche@redhat.com>

        PR 3261.
        * tapsets.cxx (query_module): Reject elfutils module "kernel"
        unless kernel.* probe point used.

2007-04-02  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (query_dwarf_func): Skip non-inlined functions
        for .function().inline case.

2007-03-30  Frank Ch. Eigler  <fche@redhat.com>

        PR 1570
        * NEWS: Document probe handler language change re. inline functions.
        * stapprobes.5.in: Likewise.
        * tapsets.cxx: Many changes to simplify caches and implement new
        handling of inline functions, removed of stubs for future probes.
        * elaborate.cxx (derived_probe printsig_nested): New function.
        * elaborate.h: Declare it.
        * main.cxx (usage): Clarify "-r" meaning.
        (main): Tweak related "-p 4" message.

2007-03-30  David Smith  <dsmith@redhat.com>

        PR 2341
        * translate.cxx (c_unparser::emit_locks): No longer emits a read
        lock for global variables that are only written to in begin/end
        probes.
        (c_unparser::emit_unlocks): Ditto.
        (translate_pass): Runs a varuse_collecting_visitor over probes
        that need global variable locks for use in
        emit_locks()/emit_unlocks().

        * stap.1.in: Corrected probe overload processing text.

2007-03-29  David Smith  <dsmith@redhat.com>

        PR 3545
        * stap.1.in: Documented probe overload processing.

2007-03-29  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (dwarf_derived_probe emit_module_init): Correct handling
        of kprobe registration errors in the middle of a sequence.

2007-03-29  David Smith  <dsmith@redhat.com>

        PR 4281
        * main.cxx (main): Validates '-m NAME' option.  Chops off '.ko' if
        present.  Makes sure name isn't empty.  Makes sure name is only
        composed of characters [_a-zA-Z0-9].

2007-03-28  David Smith  <dsmith@redhat.com>

        PR 2341 (partial fix)
        * elaborate.h (struct derived_probe): Added needs_global_locks()
        member function.  Unless overridden, will return true indicating
        that this probe needs locks around global variable references.
        * tapsets.cxx (struct be_derived_probe): Added override of default
        needs_global_locks() returning false.  begin/end probes don't
        need locks around global variables, since they aren't run
        concurrently with any other probes.
        * translate.cxx (c_unparser::emit_common_header): Updated
        probe_contents logic to match the logic in emit_probe.
        (c_unparser::emit_probe): Added whether the probe needs global
        variable locks to the probe string (that helps eliminate duplicate
        probes).  The generated C changes based on whether or not global
        variable locks are needed, but the pass 2 output doesn't differ
        between a probe that needs global variable locks and one that
        doesn't.  If the probe doesn't need global variable locks, doesn't
        output them.

2007-03-26  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Bumped version to 0.5.14.
        * configure: Regenerated.

2007-03-26  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (dwflpp::translate_final_fetch_or_store): Improved
        error messages for invalid types.

        * elaborate.cxx (typeresolution_info::invalid): Improved the error
        message for invalid operators.

2007-03-22  Frank Ch. Eigler  <fche@elastic.org>

        PR 4224.
        * staptree.h (probe): Add privileged field.
        * elaborate.cxx, parse.cxx: Pass privileged flag to probes.
        * tapsets.cxx (dwarf_query): Add has_absolute field.
        (dwarf_derived_probe ctor): Tolerate it.
        (register_patterns): Expose it.
        (dwarf_builder::build): Implement it with no dwfl whatsoever.
        * NEWS: Document kernel.statement().absolute.
        * stapprobes.5.in: Ditto.

2007-03-21  Will Cohen  <wcohen@redhat.com>

        * Makefile.am:
        * Makefile.in: Correct SAMPLE_SRC.

2007-03-21  David Smith  <dsmith@redhat.com>

        PR 4146
        * tapsets.cxx (common_probe_entryfn_prologue): Added
        'interruptible' parameter.  If a probe is interruptible,
        interrupts are not disabled while the probe executes.  Preemption
        is disabled however.  Interruptible parameter defaults to false.
        (common_probe_entryfn_epilogue): Ditto.
        (be_derived_probe_group::emit_module_decl): Uses new
        'interruptible' parameter to mark begin/end probes as
        interruptible.
        (probe_derived_probe_group::emit_module): Initialize
        'actionremaining' with MAXACTION instead of initializing
        'actioncount' with 0.
        * translate.cxx (emit_common_header): Renamed 'actioncount' to
        'actionremaining'.  Turned logic around to initialize
        actionremaining to MAXACTION or MAXACTION_INTERRUPTIBLE then
        decrement it as actions occur.
        (translate_pass): Added MAXACTION_INTERRUPTIBLE initialization.
        * translate.h: Removed outdated comment portion.
        * stap.1.in: Documented MAXACTION_INTERRUPTIBLE.
        * NEWS: Added note about begin/end probes being run with
        interrupts enabled.

2007-03-20  Frank Ch. Eigler  <fche@elastic.org>

        PR 4224.
        * tapsets.cxx (add_probe_point): Make kernel implicitly relocated
        relative to the _stext symbol.
        (dwarf_derived_probe ctor, emit_module_decls): Cooperate.
        (lookup_symbol_address): New function.
        (dwarf_builder::build): Call it thrice.
        (in_kprobes_function): Simplify.
        * session.h (systemtap_session): Rename cached symbol addresses.
        * translate.cxx, elaborate.cxx: Corresponding tweaks.

2007-03-19  David Smith  <dsmith@redhat.com>

        PR 4146 (partial fix)
        * tapsets.cxx (all_session_groups): Added note about stating that
        begin probes should be registered (actually run) first and end
        probes should be unregistered (run) last.
        * translate.cxx (c_unparser::emit_module_exit): Process probe
        group vector in reverse order so that probe groups will get
        unregistered in the reverse order that they were registered.

2007-03-19  Frank Ch. Eigler  <fche@elastic.org>

        * buildrun.cxx (compile_pass): Emit kbuild-time autoconf widgets
        to customize runtime or translator C code to actual kernel rather
        than kernel version string.  Thanks to FC 2.6."20" for the nudge.
        * tapsets.cxx (hrtimer*emit_module): First client: HRTIMER_{MODE_}REL.

2007-03-17  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Tweak missing elfutils error message.
        * configure: Regenerated.

2007-03-16  David Smith  <dsmith@redhat.com>

        PR 3545.
        * tapsets.cxx (common_probe_entryfn_prologue): Added
        'overload_processing' parameter, which defaults to true.  If
        overload_processing is set to false, doesn't output the
        STP_OVERLOAD code.
        (common_probe_entryfn_epilogue): Ditto.
        (be_derived_probe_group::emit_module_decl): Set
        overload_processing to false in calls to
        common_probe_entryfn_prologue and common_probe_entryfn_epilogue
        since begin/end probes shouldn't overload the system.
        * translate.cxx (c_unparser::emit_common_header): Emit
        STP_OVERLOAD global variables.
        (translate_pass): Emit STP_OVERLOAD defines.

2007-03-14  Martin Hunt  <hunt@redhat.com>
        * main.cxx (usage): Remove "-M" and edit description
        of "-b".
        * stap.1.in: Remove "-M" option and edit description of "-b".
        Edit description of "-o".

2007-03-14  Martin Hunt  <hunt@redhat.com>
        * Makefile.am: Don't install old relayfs sources.
        * makefile.in: Rebuilt.

2007-03-14  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (staprun_SOURCES): Sources now live in
        runtime/staprun.
        * makefile.in: Rebuilt.

        * staprun.8.in: Updated.

        * buildrun.cxx (run_pass): Use "-v" instead of not "-q" to
        be compatible with latest staprun.
        * translate.cxx (emit_module_exit): Print warning using
        _stp_printf so it shows up at the end of all output.
        (translate_pass): Replace STP_RELAYFS with STP_BULKMODE.
        Eliminate STP_RELAYFS_MERGE.

2007-03-13  Frank Ch. Eigler  <fche@redhat.com>

        PR 4171.
        * Makefile.am (check, installcheck): Pass build-tree pointers
        in environment variables.
        * configure.ac: Run separate configury for testsuite/.
        * configure, Makefile.in: Regenerated.

2007-03-07  Frank Ch. Eigler  <fche@elastic.org>

        PR 4166.
        * tapsets.cxx (translate_components): Throw an exception rather
        then suffer an assertion failure for $ptr[index] expressions.

2007-03-05  David Smith  <dsmith@redhat.com>

        * systemtap.spec.in: Made example perl script non-executable so
        that the systemtap rpm won't require perl.

2007-03-04  Frank Ch. Eigler  <fche@redhat.com>

        * stap.1.in, stapex.5.in, staprun.8.in: Tweak text to remove
        authors credits, update examples and pointers.

2007-02-28  David Smith  <dsmith@redhat.com>

        * systemtap.spec.in: Fixed %{_libexecdir}/systemtap path in
        systemtap-runtime %files section.

2007-02-27  Frank Ch. Eigler  <fche@elastic.org>

        * systemtap.spec.in (/var/cache/systemtap): Forget it.
        (stp_check): Pack this in with systemtap-runtime.
        * stp_check.in: Add LANG=C for speed.

2007-02-27  David Smith  <dsmith@redhat.com>

        * staprun.8.in: Added a basic staprun man page.
        * Makefile.am: Added staprun.8.
        * Makefile.in: Regenerated.
        * configure.ac: Added staprun.8.
        * configure: Regenerated.
        * systemtap.spec.in: Added staprun.8 and other document files to
        staprun RPM.
        * .cvsignore: Ignores staprun.8.

2007-02-27  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (dwflpp setup): Print "missing kernel debuginfo"
        message consistently for, er, missing kernel debuginfo.
        (dwarf_builder::build): Don't try to help.
        (query_kernel_exists): Zapped.

2007-02-27  David Smith  <dsmith@redhat.com>

        * systemtap.spec.in: Fedora Packaging Guidelines updates.  Updated
        BuildRoot macro value to Fedora Extras standard value.  No longer
        uses %makeinstall macro.  The rpm now owns the
        /usr/libexec/systemtap directory.

2007-02-26  David Smith  <dsmith@redhat.com>

        * Makefile.am: Removed 'update-examples' target.  Moved
        functionality to systemtap.spec.in.
        * Makefile.in: Regenerated from Makefile.am.
        * systemtap.spec.in: Fixes paths in the example scripts directly.

        * Makefile.am: Added 'update-examples' target that fixes paths in
        the example code we ship in the rpm.
        * Makefile.in: Regenerated from Makefile.am.
        * systemtap.spec.in: Calls "make update-examples" target to fix
        the path to systemtap in the example scripts.

2007-02-25  Frank Ch. Eigler  <fche@redhat.com>

        * elaborate.h (match_node, derived_probe_builder): Add
        build_no_more member function.
        * elaborate.cxx (semantic_pass_symbols): Call it.
        * tapsets.cxx (dwarf_builder): Implement it by releasing dwflpp
        instance after pass 2, freeing mucho memory.

2007-02-23  Josh Stone  <joshua.i.stone@intel.com>

        PR 4096
        * tapsets.cxx (hrtimer_derived_probe_group::emit_module_decls):
        Adapt the function signature for changes in 2.6.21.
        (hrtimer_derived_probe_group::emit_module_init): Fix the enum name
        for 2.6.21 as well.

2007-02-19  Frank Ch. Eigler  <fche@elastic.org>

        PR 4078 and more, including patch from
        Eugeniy Meshcheryakov <eugen@debian.org>:
        * Makefile.am (AM_CXXFLAGS, AM_CFLAGS): Add -Wextra -Wall -Werror
        consistently.
        * Makefile.in: Regenerated.
        (*): Many minor warning fixes.

2007-02-17  Frank Ch. Eigler  <fche@elastic.org>

        PR 4066.
        * translate.cxx (var::init): Check stat scalar initialization,
        just like is done for arrays.
        (emit_module_exit): Check unlikely but possible null timing stat.

2007-02-15  David Smith  <dsmith@redhat.com>

        PR 3625.
        * tapsets.cxx (dwflpp::print_locals): New function to print all
        the variables/parameters of a function.
        (dwflpp::find_variable_and_frame_base): Calls print_locals() when
        target variable can't be found.
        (dwflpp::print_members): New function to print all the members of
        a union/structure.
        (dwflpp::translate_components) Calls print_members() when
        union/structure member target variable reference can't be found.

2007-02-14  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (emit_module_decls): Assert CONFIG_KPROBES,
        as suggested by Andreas Kostyrka <andreas@kostyrka.org>.

2007-02-12  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (query_statement): Tolerate null file name string.

2007-02-09  Frank Ch. Eigler  <fche@elastic.org>

        PR 3965
        * configure.ac: Add --enable-prologue option.
        * configure, config.in: Regenerated.
        * session.h (prologue_searching): New field.
        * main.cxx (main): Parse new "-P" option.  Initialize based on
        autoconf flag.
        * stap.1.in, NEWS: Document it.
        * hash.cxx (find_hash): Include it in computation.
        * tapsets.cxx (query_func_info, query_cu): Respect it.

2007-02-06  Frank Ch. Eigler  <fche@elastic.org>

        * stapfuncs.5.in: Add docs for kernel_{long,int,short,char} and
        some user_string* variants.

2007-01-31  Martin Hunt  <hunt@redhat.com>

        * translate.cxx (translate_pass): Remove old string impedance
        mismatch stuff. Modify included files.

2007-01-29  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac, configure: Bumped version to 0.5.13 for development.

2007-01-29  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (emit_module_init): Add some more type casts to printk
        args.

2007-01-29  Martin Hunt  <hunt@redhat.com>

        * translate.cxx (emit_module_init): BZ3888. Add memory usage for the
        runtime to the printk.

2007-01-29  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (main): For successful last_pass=4, print compiled module
        name.
        * cache.cxx (get_from_cache): Ditto.

2007-01-23  Mike Mason <mmlnx@us.ibm.com>

        * Makefile.am, configure.ac: Add support for
        stapprobes.socket man page.
        * configure, Makefile.in: Regenerate.
        * man/stapprobes.socket.5.in: Socket tapset man page.
        * stapprobes.5.in: Add stapprobes.socket(5) to "See Also" section.
        * stapfuncs.5.in: Add new string and sockets functions.

2007-01-23  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (loc2c_error): Correct vasprintf ignored-rc warning.

2007-01-22  Martin Hunt  <hunt@redhat.com>

        * translate.cxx (mapvar::exists): Use new _stp_map_exists function.
        Testing for zero is no longer correct after changes from 2007-01-10
        below.

2007-01-18  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (version): Add (C) 2007.
        * translate.cxx (emit_module_init): Add a KERN_DEBUG printk
        at module startup time to aid debugging and auditing.

2007-01-12  David Smith  <dsmith@redhat.com>

        * tapsets.cxx
        (dwarf_var_expanding_copy_visitor::visit_target_symbol): Since
        array behavior has changed (setting to 0 no longer deletes the
        array element), we delete the internal counter array element when
        providing target variable access in return probes.

2007-01-11  Roland McGrath  <roland@redhat.com>

        * systemtap.spec.in (elfutils_version): Bump to 0.125.
        Older libdw's have known bugs, though the ABI has not changed.

2007-01-10  Martin Hunt  <hunt@redhat.com>

        * translate.cxx (mapvar::del): Call the new _stp_map_del
        function instead of setting to zero.

2007-01-01  Frank Ch. Eigler  <fche@redhat.com>

        * configure.ac: Bump version to 0.5.12 for release.
        * configure: Regenerated.
        * NEWS, AUTHORS: Populate & repopulate.

2006-12-29  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (*group:emit_module_init): flush stdout less for timing
        mode.  Also, Set probe_point variable ...
        * translate.cxx (emit_module_init): ... so on registration failure, a
        usable error message can be generated.

2006-12-29  Frank Ch. Eigler  <fche@redhat.com>

        PR 3523.
        * tapsets.cxx (common_probe_entryfn_prologue,epilogue): Restore
        support for -t (benchmarking) mode.
        * translate.cxx (emit_common_header,emit_module_init):Ditto.
        (emit_module_exit,emit_probe): Ditto, with most meat here.

2006-12-22  Josh Stone  <joshua.i.stone@intel.com>

        * stap.1.in: Document how to specify the size of global arrays.

2006-12-21  Josh Stone  <joshua.i.stone@intel.com>

        PR 3671
        * parse.cxx (parser::parse_global): Allow a maxsize on global arrays.
        * staptree.h (struct vardecl): Add the maxsize field.
        * staptree.cxx (vardecl::vardecl): Init. maxsize.
        (vardecl::set_arity): Don't allow arity 0 when there's a maxsize.
        (vardecl::compatible_arity): Ditto.
        (vardecl::print): Include maxsize in output.
        (target_symbol::print): Ditto.
        * translate.cxx (struct mapvar, mapvar::mapvar): Add maxsize.
        (mapvar::init): Init maps with the given maxsize if specified, else
        keep using MAXMAPENTRIES.
        (mapvar::set): Make the error message give the maxsize.
        (mapvar::add): Ditto, and check for overflow on pmap add.
        (c_unparser::getmap): Pass the maxsize from the vardecl to mapvar.

2006-12-21  David Smith  <dsmith@redhat.com>

        * hash.cxx (find_hash): Added two more options into the hash that
        change the generated C file - '-M' (merge) and '-t' (benchmark
        timing).

2006-12-20  David Smith  <dsmith@redhat.com>

        PR 3519.
        * Makefile.am: Added 'examples' directory to the 'EXTRA_DIST'
        variable so that the examples directory will be added to the
        distribution directory.  Added variables 'SAMPLE_DEST_DIR' and
        'SAMPLE_SRC' and target 'dist-add-samples' to copy some of the
        testsuite sample scripts to the examples directory when creating a
        distribution directory.
        * Makefile.in: Regenerated.
        * systemtap.spec.in: Added 'examples' directory to the %doc list
        so that the examples directory will be installed on a user's
        system.

2006-12-19  Frank Ch. Eigler  <fche@redhat.com>

        PR 3522.
        * tapsets.cxx (dwflpp::emit_address): Call
        _stp_module_relocate only once per session.

        Error message cleanup: duplicate elimination etc.
        * session.h (saved_errors): Store a set of 'em.
        (num_errors): Return set size.  Remove old numeric field.
        Update all callers.
        * elaborate.cxx (systemtap_session::print_errors):
        Print each encountered message just once.
        * staptree (semantic_error): Make msg2 writeable.
        Add a chain field.
        * tapsets.cxx (*var_expanding*:visit_target_symbol): Set saved
        semantic_error's chain field.
        * elaborate.cxx (register_library_aliases, visit_foreach_loop,
        visit_functioncall, derive_probes): Plop "while: ..." error
        message prefix/suffix right into the semantic_error message string.
        * parse.cxx (lexer::scan): Identify erroneous token better
        in error message for unresolvable $N/@M command line args.
        * util.h (lex_cast_hex): Use std::hex, not std::ios::hex.

2006-12-18  David Smith  <dsmith@redhat.com>

        * Makefile.am (EXTRA_DIST): Added header files - cache.h, hash.h,
        mdfour.h, and util.h.
        * Makefile.in: Regenerated.

2006-12-16  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (main): Print version strings if verbose >=2 .
        * tapsets.cxx (common_probe_entryfn_prologue): Decorate an
        emitted local with __restrict__.

2006-12-14  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (struct dwarf_var_expanding_copy_visitor): Added
        'return_ts_map' member variable.
        (dwarf_var_expanding_copy_visitor::visit_target_symbol):
        Optimization.  If we've already seen this target variable in this
        return probe, return the last replacement (instead of creating a
        new replacement).

2006-12-13  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (struct dwarf_var_expanding_copy_visitor): Added
        'add_probe' member variable.  Initialized it in ctor.
        (dwarf_var_expanding_copy_visitor::visit_target_symbol):
        Optimization.  Instead of generating one entry probe per target
        variable accessed in a return probe, now just generates one entry
        probe for all target variables accessed in a particular return
        probe.  It does this by creating a new probe in the new
        'add_probe' member variable.
        (dwarf_derived_probe::dwarf_derived_probe): If add_probe isn't
        NULL, make sure it gets derived later.

2006-12-11  Josh Stone  <joshua.i.stone@intel.com>

        * parse.cxx (parse::parse_literal): Enforce the lower bound on
        negative literals.

2006-12-11  David Smith  <dsmith@redhat.com>

        * hash.cxx (find_hash): Fixed a caching bug.  Bulk mode (relayfs)
        status should be figured into the hash since it changes the
        generated C code.

2006-12-08  Josh Stone  <joshua.i.stone@intel.com>

        PR 3681.
        * staptree.h (struct vardecl): Add a literal 'init' member for the
        initialization value of globals.
        * staptree.cxx (vardecl::vardecl): Initialize 'init' to NULL.
        (vardecl::print): Print global init value during pass-1 output.
        * main.cxx (printscript): Print global init values during verbose
        pass-2 output.
        * parse.cxx (parser::parse_global): Set the initialization literal of
        global vardecls.
        * translate.cxx (var::init): Don't unconditionally override the value
        of numeric globals when the module_param isn't used.
        (c_unparser::emit_global_param): Write numeric module_params directly
        into the global variable, as an int64_t instead of long.
        (c_unparser::emit_global): Add initialization to global declarations.
        Don't create a temp module_param long for numeric globals anymore.

2006-12-07  Josh Stone  <joshua.i.stone@intel.com>

        PR 3624.
        * tapsets.cxx (struct be_derived_probe): Add a new priority parameter
        for begin/end probes, and a comparison function for sorting.
        (be_builder::build): Parse the priority & pass it to be_derived_probe.
        (be_derived_probe_group::emit_module_init, emit_module_exit): Sort the
        probe list by priority before emitting any code.
        (register_standard_tapsets): Add new begin/end variants.
        * parse.cxx (parser::parse_literal): Allow negative numeric literals,
        by checking for a '-' unary operator right before a number.
        * stapprobes.5.in: Document the new begin/end syntax.

2006-12-06  Josh Stone  <joshua.i.stone@intel.com>

        PR 3623.
        * tapsets.cxx (timer_derived_probe_group::emit_module_decls): Restart
        the timers if we are in STARTING or RUNNING state.
        (hrtimer_derived_probe_group::emit_module_decls): Ditto.
        (be_derived_probe_group::emit_module_init): indicate error to the rest
        of the initialization if any begin probes fail.
        * translate.cxx (c_unparser::emit_module_init): Set the global error
        state on an initialization error so timers know to shut down.

2006-12-05  Frank Ch. Eigler  <fche@redhat.com>

        PR 3648.
        * main.cxx (main): Tweak error message for tapset script execution.
        Also catch those clever rogues who use stdin.

2006-11-30  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (common_probe_entryfn_prologue): Tweak
        insufficient stack detection logic.

2006-11-30  David Smith  <dsmith@redhat.com>

        * main.cxx (printscript): Prints global embedded code.  Not
        printing the global embedded code was causing bad caching
        behavior.

2006-11-29  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (struct dwarf_var_expanding_copy_visitor): Added
        'add_block' member variable.  Constructor sets it to NULL.
        (dwarf_var_expanding_copy_visitor::visit_target_symbol): Fixes the
        problem of accessing a cached target variable in a loop.  Cached
        target variable is assigned to a temporary variable, which can be
        safely access multiple times.  In addition, the cached value is
        deleted after being read.
        (dwarf_derived_probe::dwarf_derived_probe): Adds in the new block
        of code created in visit_target_symbol() to the beginning of the
        derived probe.

2006-11-28  David Smith  <dsmith@redhat.com>

        * tapsets.cxx
        (dwarf_var_expanding_copy_visitor::visit_target_symbol):
        Improved handling target variables in return probes by having a
        per-thread counter.

2006-11-26  Frank Ch. Eigler  <fche@redhat.com>

        PRs 2685, 3596, toward 2725.
        * tapsets.cxx (common_probe_entryfn_prologue): Skip probe on
        insufficient stack.
        (build_blacklist): Add a slew of lock-related calls.
        (query_module): Check for debuginfo architecture match.
        * translate.cxx (translate_pass): Add default MINSTACKSPACE.
        * configure.ac: Link stap with -lebl too.
        * configure: Regenerated.
        * stap.1.in: Document MINSTACKSPACE parameter.

2006-11-21  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (emit_module_init): Adapt to 2.6.19 utsname().

2006-11-21  Frank Ch. Eigler  <fche@elastic.org>

        PR 3556.
        * translate.cxx (emit_module_init): Emit code to check
        system_utsname against translate-time version/machine strings.

2006-11-20  David Smith  <dsmith@redhat.com>

        * tapsets.cxx
        (dwarf_var_expanding_copy_visitor::visit_target_symbol):  BZ
        1382.  Target variables can be accessed in return probes.  A new
        function entry probe is generated that saves the target variables
        so that they can be accesssed in the return probe.

2006-11-19  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (main): Signal parse error if a tapset script
        is given as the user script.

2006-11-15  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (d_v_e_c_v::visit_target_symbol): Restore lost
        exception-saving functionality that improves error messages
        for incorrect $target expressions.
        (translate_components): Systematize error messages somewhat.
        * translate.cxx (emit_function, emit_probe): Clarify
        "array locals" error message.

2006-11-10  David Smith  <dsmith@redhat.com>

        * tapsets.cxx
        (dwarf_var_expanding_copy_visitor::visit_target_symbol): Minor
        improvement to error handling by throwing exceptions before
        allocations are done.

2006-11-10  Frank Ch. Eigler  <fche@elastic.org>

        * stap.1.in: On urging of Adam Jackson, add blurbs on array syntax
        and default limits.

2006-11-09  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (staprun_LDADD): Need PROCFLAGS here too.

2006-11-09  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (staprun_CFLAGS): New. Use PROCFLAGS.

        * configure.ac: Add PROCFLAGS. Processor-dependent
        compilation flags.
        * configure: Rebuilt.
        * Makefile.in: Rebuilt.

2006-11-09  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (dwarf_query::dwarf_query): Looks for "maxactive"
        return probe variant.
        (dwarf_derived_probe::dwarf_derived_probe): Initializes
        has_maxactive and maxactive_val member variables.
        (dwarf_derived_probe::register_function_variants): Matches
        "maxactive" return probe variant.
        (dwarf_derived_probe_group::emit_module_decls): Emits code to use
        maxactive data.
        (dwarf_derived_probe_group::emit_module_init): Ditto.

2006-11-08  David Smith  <dsmith@redhat.com>

        * cache.cxx (get_from_cache): To preserve semantics with
        non-cached use, if the last pass is 3, display the cached C
        source.

2006-11-08  Frank Ch. Eigler  <fche@elastic.org>

        * staptree.cxx (print_format::components_to_string): Quote ".
        (c_unparser::visit_print_format): Don't use lex_cast_qstring
        as it overdoes \ quoting.  Resemble ::visit_literal_string
        instead.

2006-11-08  Frank Ch. Eigler  <fche@elastic.org>

        * util.h (lex_cast_qstring): Move def'n here.  Also quote \.
        (stringify, lex_cast, lex_cast_hex): Move defn here.
        * buildrun.cxx, elaborate.cxx, main.cxx, staptree.cxx: Adapt.

2006-11-07  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (profile_derived_probe_group::emit_module_decls):
        Pass along incoming pt_regs to context of timer.profile handlers.

2006-11-06  Martin Hunt  <hunt@redhat.com>

        * translate.cxx (var::init): Check for errors when
        allocating arrays of stats, as well as other arrays.

2006-11-06  David Smith  <dsmith@redhat.com>

        Added "limit EXP" support to foreach statements.
        * translate.cxx (c_tmpcounter::visit_foreach_loop): Handles
        "limit" member variable.
        (c_unparser::visit_foreach_loop): Ditto.
        * staptree.cxx (foreach_loop::print): Prints "limit EXP"
        addition.
        (traversing_visitor::visit_foreach_loop): Handles "limit" member
        variable.
        (deep_copy_visitor::visit_foreach_loop): Ditto.
        * staptree.h (struct foreach_loop): Added "limit" member
        variable.
        * stap.1.in: Added documentation for the "limit EXP" addition to
        foreach statement.
        * parse.cxx (lexer::scan): Added "limit" keyword for foreach
        statements.
        (parser::parse_foreach_loop): Parses "limit" keyword for foreach
        statements.
        * elaborate.cxx (symresolution_info::visit_foreach_loop): Handles
        "limit" member variable.
        (typeresolution_info::visit_foreach_loop): Ditto.

2006-11-03  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (emit_address): Emit calls to _stp_module_relocate
        for $target-variable addresses in relocatable sections.

2006-11-02  Martin Hunt  <hunt@redhat.com>

        * session.h (struct systemtap_session): Add symtab. This controls
        if a symbol table is generated and compiled into the module.

        * main.cxx (main): Set session.symtab to false. This could later
        enabled by a command-line option if necessary.

        * translate.cxx (emit_symbol_data): Don't write a symbol table if
        session.symtab is false.

        * tapsets.cxx (emit_module_decls): Remove stap_module array and
        module_relocate.
        (emit_module_init): Use "_stp_module_relocate".

        * Makefile.am (staprun_SOURCES): Add symbols.c
        * Makefile.in: Rebuilt.

2006-11-02  David Smith  <dsmith@redhat.com>

        * main.cxx (main): Added '-r' check.  If the user changes the
        kernel release to compile against, make sure pass 5 isn't
        performed (since the resulting module won't be installable).

2006-11-02  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am: Install tapset/README too.
        * Makefile.in: Regenerated.

2006-11-01  Josh Stone  <joshua.i.stone@intel.com>

        * tapsets.cxx (timer_derived_probe_group::emit_interval): New -
        Fixes randomization for jiffies timers in ms mode.
        (timer_derived_probe_group::emit_module_decls): Use emit_interval.
        (timer_derived_probe_group::emit_module_init): Ditto.

2006-11-01  David Smith  <dsmith@redhat.com>

        * translate.cxx (delete_statement_operand_visitor::visit_symbol):
        Added referent assert.
        (delete_statement_operand_tmp_visitor::visit_arrayindex): Ditto.
        (c_tmpcounter::visit_array_in): Ditto.
        (c_unparser::visit_symbol): Ditto.
        (c_unparser_assignment::visit_symbol): Ditto.
        (c_unparser::load_map_indices): Ditto.
        (c_tmpcounter::visit_arrayindex): Ditto.
        (c_tmpcounter_assignment::visit_arrayindex): Ditto.
        (c_tmpcounter::visit_functioncall): Ditto.
        (c_unparser::visit_functioncall): Ditto.

2006-10-31  Frank Ch. Eigler  <fche@redhat.com>

        Probe registration rework.  Offline dwarf processing for better
        cross-instrumentation.
        * elaborate.h (derived_probe): Remove registration-related code
        generation API.  Add new function sole_location().
        (derived_probe_group): Reworked this and associated classes.
        * session.h (systemntap_session): Create individual per-category
        derived_probe_groups.
        * elaborate.cxx (derived_probe_group): Reworked.
        (alias_derived_probe): Switch to new derived_probe API.
        (semantic_pass_symbols): Ditto.
        * translate.cxx (mapvar init): Check for array initialization error.
        (emit_module_init): Handle such failures, at least in theory.
        (emit_module_exit): Switch to new derived_probe_group API.  Call
        cpu_relax() during shutdown busywait.
        (emit_common_header): Elide context variables for elided handler fns.
        (c_unparser::emit_probe): Implement new, improved duplicate
        elimination technique for probe handlers.  Leave two older ones
        behind as compile options for education.
        * tapsets.cxx (*): Reworked all probe registration code, moving
        it from derived_probes into derived_probe_groups.  Shrunk output
        code.  Temporarily disabled probe timing and perfmon/mark probes.
        (dwflpp): Use offline reporting, so that module matching and
        relocation is performed at run time.
        (dwarf_query): Remove flavour logic, now supplanted by other
        duplicate elimination code.
        (dwarf_derived_probe): Reworked construction, centralized
        module/section/offset computations.
        * tapsets.h (all_session_groups): New little helper.

        * main.cxx (main): For pass-2 message, print number of embeds too.
        * systemtap.spec.in: Add a "BuildRequires: dejagnu" for make check.
        * configure.ac: Bump version to 0.5.11.
        * configure: Regenerated.

2006-10-23  Li Guanglei <guanglei@cn.ibm.com>

        * lket.5.in: Rearranged the sections, add more details.

2006-10-30  David Smith  <dsmith@redhat.com>

        * stap.1.in: Added notes about new caching feature.

2006-10-24  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (build_blacklist): Added
        "atomic_notifier_call_chain" to the blacklist (Bugzilla #3379).

2006-10-23  David Smith  <dsmith@redhat.com>

        * main.cxx (printscript): New function containing code moved from
        main().
        (main): Added code to create cache directory, call function to
        generate hash, and see if we can use cached source/module.  If
        pass 4 is actually run to produce a new module, we call
        add_to_cache() to cache the result.
        * session.h (struct systemtap_session): Added hash/cache session
        data.
        * cache.cxx: New file handling adding/getting files from the
        cache.
        * cache.h: New header file for cache.cxx.
        * hash.cxx: New file containing C++ wrapper for routines in
        mdfour.c and the find_hash function which computes the hash file
        name for an input script.
        * hash.h: New header file for hash.cxx.
        * mdfour.c: New file containing MD4 hash code.
        * mdfour.h: New header file for mdfour.c.
        * util.cxx: New file containing several utility functions used by
        the caching code.
        * util.h: New header file for util.cxx.
        * Makefile.am: Added new C/C++ files.
        * Makefile.in: Regenerated.

2006-10-23  Li Guanglei <guanglei@cn.ibm.com>

        * configure.ac, Makefile.am: add lket-b2a.1.in
        * Makefile.in, configure: regenreated
        * ket-b2a.1.in: new man page for lket-b2a
        * lket.5.in: document signal trace hooks

2006-10-18  Roland McGrath  <roland@redhat.com>

        PR 2727
        * configure.ac (elfutils build): Pass --prefix and --exec-prefix
        options to elfutils configure.
        (elfutils_abs_srcdir): New substituted variable.
        * Makefile.am (DISTCHECK_CONFIGURE_FLAGS): New variable.
        * configure, config.in, Makefile.in: Regenerated.

2006-10-16  Li Guanglei <guanglei@cn.ibm.com>

        * configure.ac: add the checking for mysql_config,
        mysqlclient library and header files
        * runtime/lket/b2a/Makefile.am: set compile flags
        according to the existance of mysql_config
        * Makefile.in, configure, testsuite/Makefile.in,
        runtime/lket/b2a/Makefile.in: regenerated

2006-10-12  Martin Hunt  <hunt@redhat.com>

        * translate.cxx (emit_common_header): Add a
        kretprobe_instance pointer to struct context.
        (emit_symbol_data): Include absolute symbols.

        * tapsets.cxx (emit_common_header): Initialize
        the kprobe instance pointer to 0;
        (emit_probe_entries): Set kretprobe instance
        pointer if appropriate.


2006-10-11  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (in_kprobes_function): New function that looks up
        the values of '__kprobes_text_start' and '__kprobes_text_end' in
        the kernel to be able to automatically exclude functions marked as
        '__kprobes' (BZ# 2639).
        (blacklisted_p): Calls in_kprobes_function().
        (query_kernel_module): Utility function that finds the kernel module.
        * session.h (struct systemtap_session): Added kprobes_text
        variables - kprobes_text_initialized, kprobes_text_start, and
        kprobes_text_end.
        * elaborate.cxx (systemtap_session::systemtap_session):
        kprobes_text variables get initialized.

2006-10-10  Roland McGrath  <roland@redhat.com>

        * systemtap.spec.in (elfutils_version): Require 0.124 now.

2006-10-10  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Override incomplete mysql checking for now.
        * configure: Regenerated.

2006-10-10  Li Guanglei <guanglei@cn.ibm.com>

        * configure.ac: add the checking of mysql client library
        * Makefile.in, configure: regenerated

2006-09-29  Li Guanglei <guanglei@cn.ibm.com>

        * man: newly created dir for stapprobes
        * man/stapprobes.iosched.5, man/stapprobes.netdev.5, man/stapprobes.nfs.5,
        man/stapprobes.nfsd.5, man/stapprobes.pagefault.5, man/stapprobes.process.5,
        man/stapprobes.rpc.5, man/stapprobes.scsi.5, man/stapprobes.signal.5,
        man/stapprobes.tcp.5, man/stapprobes.udp.5: Some of these man pages are from
        the old stapprobes.5.in. Some are newly created(rpc, nfs, nfsd)
        * man/.cvsignore: ignore the generated man page files

2006-09-29  Li Guanglei <guanglei@cn.ibm.com>

        PR 3282
        * Makefile.am: add -DPKGLIBDIR='"$(pkglibexecdir)"' to AM_CPPFLAGS

2006-09-28  Josh Stone  <joshua.i.stone@intel.com>

        PR 3278
        * tapsets.cxx (hrtimer_derived_probe::emit_probe_entries): Only
        restart timers when the session is still active and we updated the
        expire time.

2006-09-27  Josh Stone  <joshua.i.stone@intel.com>

        * session.h (struct systemtap_session): Add kernel_base_release
        to store the kernel version without the -NNN suffix.
        * main.cxx (main): Generate and use kernel_base_release.
        * parse.cxx (eval_pp_conditional): Use kernel_base_release.
        * tapsets.cxx (profile_derived_probe::profile_derived_probe):
        Use kernel_base_release.

        * tapsets.cxx (timer_builder::build): Support a wide variety of
        timer varients -- jiffies, s/sec, ms/msec, us/usec, ns/nsec, and
        hz.  Use hrtimers automatically on kernels that have it.
        (timer_builder::register_patterns): Bind all of the new timer
        varients in one easy place.
        (register_standard_tapsets): Call timer_builder::register_patterns.
        (struct hrtimer_builder): Removed since timer_builder is generic.
        * stapprobes.5.in: Document new timer.* functionality.

        * tapsets.cxx (hrtimer_derived_probe_group::emit_probes): Add a
        shared global for the actual hrtimer resolution, _stp_hrtimer_res.
        (hrtimer_derived_probe_group::emit_module): Init _stp_hrtimer_res.
        (hrtimer_derived_probe::emit_interval): Limit intervals at a
        minimum to the hrtimer's actual resolution.
        (hrtimer_derived_probe::emit_probe_entries): Forward timers
        based on previous expiration instead of restarting relative.

2006-09-26  David Smith  <dsmith@redhat.com>

        * .cvsignore: Changed 'stpd' reference to 'staprun'.
        * INTERNALS: Ditto.
        * buildrun.cxx (run_pass): Ditto.
        * lket.5.in: Ditto.
        * stap.1.in: Ditto.
        * stapruncs.5.in: Ditto.
        * examples/small_demos/demo_script.txt: Ditto.
        * examples/small_demos/sys.stp: Ditto.

        * systemtap.spec.in: Created a new subpackage,
        "systemtap-runtime", that contains staprun.

        * Makefile.am: Renamed 'stpd' to 'staprun' and moved it to
        $(bindir).
        * Makefile.in: Regenerated from Makefile.am.

        * configure.ac: Incremented version number.
        * configure: Regenerated from configure.ac.

2006-09-22  Tom Zanussi  <zanussi@us.ibm.com>

        * stp_check.in: Add debugfs mounting.

2006-09-22  Li Guanglei <guanglei@cn.ibm.com>

        From Gui Jian <guijian@cn.ibm.com>
        * lket.5.in: document RPC trace hooks

2006-09-20  Josh Stone  <joshua.i.stone@intel.com>

        PR 3233
        * stapfuncs.5.in: Document new gettimeofday_ns.

2006-09-19  Tom Zanussi  <zanussi@us.ibm.com>

        * README: Add CONFIG_DEBUG_FS to config options.

2006-09-18  Josh Stone  <joshua.i.stone@intel.com>

        PR 3219
        From Eugeniy Meshcheryakov <eugen@debian.org>:
        * stapprobes.5.in: Correct misuse of '-' -> '\-' in manpage

2006-09-18  Martin Hunt  <hunt@redhat.com>

        * buildrun.cxx (run_pass): Remove "-m" option to stpd.
        * translate.cxx (translate_pass): #define STP_RELAYFS_MERGE
        if appropriate.

2006-09-13  Martin Hunt  <hunt@redhat.com>

        * buildrun.cxx (run_pass): Remove "-r" option to stpd.

2006-09-13  Will Cohen  <wcohen@redhat.com>

        * tapsets.cxx (perfmon_derived_probe_group::emit_module_init):
        Do not throw sematic error unless probes actually used.

2006-09-12  Will Cohen  <wcohen@redhat.com>

        PR 909
        * configure.ac: Add perfmon support options.
        * configure: Regenerated.

        * stapfuncs.5.in:
        * stapprobes.5.in: Document the perfmon support.

        * session.h, main.cxx: Track number of perfmon probes.
        * translate.cxx: Gen STP_PERFMON when perfmon probes.

        * elaborate.h:
        * elaborate.cxx (derived_probe_group):  Add register_probe() for
                perfmon probe.

        * tapsets.cxx (derived_probe::emit_common_header): Gen perfmon data.
        (perfmon_var_expanding_copy_visitor): New struct.
        (struct perfmon_derived_probe):
        (struct perfmon_derived_probe_group):
        (struct perfmon_builder):  New Perfmon probe handling structures.
        (register_standard_tapsets): Add perfmon tapset binding.
        (derived_probe_group_container):
        (~derived_probe_group_container):
        (derived_probe_group_container::register_probe):
        (derived_probe_group_container::emit_probes):
        (derived_probe_group_container::emit_module_init):
        (derived_probe_group_container::emit_module_init_call):
        (derived_probe_group_container::emit_module_exit): Add perfmon tapset.

        * tapset/perfmon.stp: New.
        * runtime/perf.c: New.
        * runtime/perf.h: New.
        * runtime/runtime.h: Include perf.c.

        * testsuite/buildok/perfmon01.stp: Test to exercise perfmon
                probes.
        * testsuite/systemtap.pass1-4/buildok.exp:

2006-09-12  Li Guanglei <guanglei@cn.ibm.com>

        From Li Xuepeng <xuepengl@cn.ibm.com>
        * lket.5.in: document nfs trace hooks

2006-09-08  David Smith  <dsmith@redhat.com>

        * elaborate.h (struct derived_probe): Replace emit_registrations()
        function with emit_registrations_start() and
        emit_registrations_end().
        (struct derived_probe_group): Added emit_module_init().
        (struct derived_probe_group_container): Added emit_module_init(),
        emit_module_init_call(), and emit_module_exit().
        * elaborate.cxx (struct alias_derived_probe): Updated
        emit_regitrations calls.
        * translate.cxx (emit_module_init): Instead of actually emitting
        per-probe-point registrations/unregistrations, let the session's
        derived_probe_group_container do it.
        * tapsets.cxx (emit_probe_timing): New function that handles
        probe timing code.
        (be_derived_probe::emit_registrations_start): Renamed from
        emit_registrations.
        (be_derived_probe_group::emit_module_init): New function that
        outputs probes create and destroy functions.
        (dwarf_derived_probe::emit_registrations): Removed, but most code
        moved to emit_registrations_start().
        (dwarf_derived_probe::emit_registrations_start): Handles details
        of multiple dwarf probe registrations.
        (dwarf_derived_probe::emit_registrations_end): Handles cleanup
        details of multiple dwarf probe registrations.
        (dwarf_derived_probe_group::emit_module_init): New function that
        outputs probes create and destroy functions.
        (timer_derived_probe::emit_registrations_start): Renamed from
        emit_registrations.  Added mutiple probe handling.
        (timer_derived_probe::emit_registrations_end): Handles cleanup
        details of multiple probe registrations.
        (timer_derived_probe_group::emit_module_init): New function that
        outputs probes create and destroy functions.
        (profile_derived_probe::emit_registrations_start): Renamed from
        emit_registrations.  Added mutiple probe handling.
        (profile_derived_probe::emit_registrations_end): Handles cleanup
        details of multiple probe registrations.
        (profile_derived_probe_group::emit_module_init): New function that
        outputs probes create and destroy functions.
        (mark_derived_probe::emit_registrations_start): Renamed from
        emit_registrations.  Added mutiple probe handling.
        (mark_derived_probe::emit_registrations_end): Handles cleanup
        details of multiple probe registrations.
        (mark_derived_probe_group::emit_module_init): New function that
        outputs probes create and destroy functions.
        (hrtimer_derived_probe::emit_registrations_start): Renamed from
        emit_registrations.  Added mutiple probe handling.
        (hrtimer_derived_probe::emit_registrations_end): Dummy function.
        (hrtimer_derived_probe_group::emit_module_init): New function that
        outputs probes create and destroy functions.
        (derived_probe_group_container::emit_module_init): Added function
        to call all probe group's emit_module_int functions.
        (derived_probe_group_container::emit_module_init_call): Added
        function to handle probe group initialization cleanup.
        (derived_probe_group_container::emit_module_exit): Added
        function to handle probe group cleanup.


2006-09-06  Frank Ch. Eigler  <fche@elastic.org>

        Add basic support for initialized globals.
        * parse.cxx (parse_global): Parse initialization clause, implement
        by rewriting to "probe begin { var = value }".
        * parse.h: Corresponding changes.
        * stap.1.in: Document optional initialization.

2006-09-04  Frank Ch. Eigler  <fche@elastic.org>

        Improve unresolved target-symbol error messages.
        * staptree.h (target_symbol): Add new field saved_conversion_error.
        * elaborate.cxx (typeresolution_info::visit_target_symbol): Throw
        that if found instead of generic error.
        * tapsets.cxx (t_v_f_c_v::visit_target_symbol): Set it.

2006-08-30  Li Guanglei <guanglei@cn.ibm.com>

        * stapprobes.5.in: document signal.*

2006-08-28  David Smith  <dsmith@redhat.com>

        * translate.cxx: Added inclusion of session.h.
        (translate_pass): Instead of asking each probe to emit itself, we
        ask the session's probes member variable to emit all the probes.
        * tapsets.cxx: Added inclusion of session.h.  Added a
        register_probe member function to all derived_probe based
        classes.  Added a derived_probe_group derived class for all probe
        types:
        (be_derived_probe_group): New class.
        (never_derived_probe_group): New class.
        (dwarf_derived_probe_group): New class.
        (timer_derived_probe_group): New class.
        (profile_derived_probe_group): New class.
        (mark_derived_probe_group): New class.
        (hrtimer_derived_probe_group): New class
        (derived_probe_group_container): New class.
        * elaborate.h: Removed inclusion of session.h since session.h now
        includes elaborate.h.
        (derived_probe): Added register_probe member function.
        (derived_probe_group): Added class definition.  This is the base
        class of all of the derived probe groups - dwarf, timer, etc.
        (derived_probe_group_container): Added class definition.  An
        instance of this class will be stored in the session and contain
        all the other probe groups.
        * elaborate.cxx (derived_probe_group::register_probe): Added
        derived_probe_group::register_probe stubs.
        (alias_derived_probe::register_probe): Added register_probe member
        function.
        (semantic_pass_symbols): After deriving a probe, the probes now
        register themselves with the session.
        * session.h: Includes elaborate.h to get
        derived_probe_group_container definition. systemtap_session class
        'probes' member variable switched from a vector of derived probes
        to a derived_probe_group_container.
        * buildrun.cxx: Added inclusion of session.h since it was removed
        from elaborate.h.
        * main.cxx: Added inclusion of session.h since it was removed
        from elaborate.h.
        * parse.h: Added forward struct declarations.
        * staptree.h: Removed inclusion of session.h.

2006-08-23  Josh Stone  <joshua.i.stone@intel.com>

        PR 3093
        From Eugeniy Meshcheryakov <eugen@debian.org>:
        * main.cxx (main): Use setenv instead of putenv, since gcc 4.2
        doesn't like assigning string constants to char*.  Also use
        const char* for result from getenv.
        * tapsets.cxx (dwflpp::setup): Copy string constant into a
        local array, to fix gcc 4.2 warning.

2006-08-22  Josh Stone  <joshua.i.stone@intel.com>

        PR 3094
        From Eugeniy Meshcheryakov <eugen@debian.org>:
        * stap.1.in: In groff, '-' produces a Unicode hyphen.  Use '\-'
        where a plain-old minus sign is desired, e.g., code examples.
        * lket.5.in, stapex.5.in, stapfuncs.5.in, stapprobes.5.in: ditto

2006-08-15  Roland McGrath  <roland@redhat.com>

        * systemtap.spec.in (elfutils_version): Require 0.123 now.

2006-08-14  David Smith  <dsmith@redhat.com>

        * elaborate.cxx (semantic_pass): Calls semantic_pass_optimize1()
        and semantic_pass_optimize2().
        (visit_functioncall): Removed setting relaxed_p since
        semantic_pass_opt5 does it.
        (semantic_pass_opt5): Goes ahead and removes duplicate functions
        since semantic_pass_opt1() won't be run again.
        (semantic_pass_optimize1): Renamed from semantic_pass_optimize().
        Moved semantic_pass_opt5() to semantic_pass_optimize2().
        (semantic_pass_optimize2): New function that contains optimization
        passes that need to be done after type inference.

2006-08-12  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (dist-hook): Make "make dist" dist.
        * Makefile.in: Regenerated.

2006-08-12  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac, Makefile.am: Descend into testsuite/
        directory.  Remove local test logic.
        * configure, Makefile.in: Regenerated.
        * runtest.sh: Not yet removed.
        * HACKING: Update for new testsuite layout.

2006-08-10  David Smith  <dsmith@redhat.com>

        * elaborate.cxx (duplicate_function_remover): Added class.
        (get_functionsig): Added function.
        (semantic_pass_opt5): New function merges duplicate identical
        functions into one function.
        (semantic_pass_optimize): Calls semantic_pass_opt5.

        * translate.cxx (c_unparser::emit_probe): Changed to merge
        duplicate probes bodies by making the duplicate probe just call
        the original probe (BZ# 2421).

2006-08-08  Li Guanglei <guanglei@cn.ibm.com>

        * stapprobes.5.in: document process.*, tcp.*, udp.*

2006-08-09  Thang Nguyen  <thang.p.nguyen@intel.com>

        * testsuite/buildok/iolock_test.stp: Updated for new ioblock.stp

2006-08-09  Josh Stone  <joshua.i.stone@intel.com>

        * examples/small_demos/proc_snoop.stp,
        testsuite/buildok/process_test.stp: Rename process.signal_* to
        new signal.* tapset.
        * stapprobes.5.in, testsuite/buildok/memory.stp: move pagefault
        to vm.* namespace

2006-08-08  Eugene Teo  <eteo@redhat.com>

        * tapset/context.stp (probemod): New function.
        * stapfuncs.5.in: Document it.
        * testsuite/buildok/probemod.stp: Test it.

2006-08-08  Li Guanglei <guanglei@cn.ibm.com>

        * stapprobes.5.in: document scsi.*, ioscheduler.*, netdev.* and
        pagefault.

2006-08-01  Li Guanglei <guanglei@cn.ibm.com>

        PR 2422
        * tapsets.cxx: calling get_module_dwarf(false) to give a
        warning to those modules without debuginfo and skip them

2006-07-19  Roland McGrath  <roland@redhat.com>

        * configure.ac, systemtap.spec.in: Bump version to 0.5.9.
        * configure: Regenerated.

        * systemtap.spec.in: Fix syntax in last change.

2006-07-19  David Smith  <dsmith@redhat.com>

        * testsuite/buildok/scsi.stp: Only run the scsi test if the scsi
        kernel subsystem is running.

2006-07-17  David Smith  <dsmith@redhat.com>

        * stapfuncs.5.in: Removed retval function description, since it
        has been removed.

2006-07-17  Roland McGrath  <roland@redhat.com>

        * configure.ac, systemtap.spec.in: Require elfutils-0.122.
        * configure: Regenerated.

        * systemtap.spec.in (Release): Use %{?dist}.

2006-07-17  Li Guanglei <guanglei@cn.ibm.com>

        * main.cxx: add LKET's tapsets into stap's default tapsets
        search path

2006-07-13  Frank Ch. Eigler  <fche@elastic.org>

        * systemtap.spec.in: Add formerly missing admonitional verb.

2006-07-13  David Smith  <dsmith@redhat.com>

        * parse.cxx (parser::expect_unknown2): New function that looks for
        2 possible token types.
        * parse.cxx (parser::expect_ident_or_keyword): New function that
        calls parser::expect_unknown2.
        * parse.cxx (parser::parse_symbol): Calls
        parser::expect_ident_or_keyword to allow keywords to appear when
        expanding target symbols (Bugzilla #2913).
        * parse.h: Added prototypes for parser::expect_unknown2 and
        parser::expect_ident_or_keyword.
        * testsuite/parseok/seventeen.stp: New test to check for allowing
        keywords when expanding target symbols.

2006-06-30  Josh Stone  <joshua.i.stone@intel.com>

        * tapsets.cxx (hrtimer_builder::build): Enable hrtimers on >=2.6.17.
        * tapsets.cxx (hrtimer_derived_probe::emit_probe_entries): Correct
        compilation errors, fix return value.

2006-06-30  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (dwflpp::dwfl_assert): Added optional extra_msg
        parameter to be able to print out extra error message.
        (dwflpp::setup): Uses new 'extra_msg' parameter to dwfl_assert()
        to ask user to install kernel-debuginfo when
        dwfl_linux_kernel_report_kernel() or
        dwfl_linux_kernel_report_modules() fails (Bugzilla #2669).

        * buildrun.cxx (compile_pass): Checks to make sure module build
        directory exists before trying to run make there (Bugzilla #2669).

2006-06-27  Roland McGrath  <roland@redhat.com>

        * runtest.sh: Don't use eval, use proper quoting.

        * tapsets.cxx (dwflpp::emit_address): New instance method.  Get
        relocation details from Dwfl to emit in comment after address constant.
        (dwflpp::loc2c_emit_address): Just call that.

2006-06-26  Li Guanglei <guanglei@cn.ibm.com>

        * lket.in.5: update to AIO event hooks

2006-06-23  Thang P Nguyen  <thang.p.nguyen@intel.com>

        * testsuite/buildok/tcp_test.stp: updated inet calls
        * testsuite/buildok/udp_test.stp: test udp tapset

2006-06-22  Thang P Nguyen  <thang.p.nguyen@intel.com>

        * testsuite/buildok/tcp_test.stp: test tcp tapset

2006-06-16  Roland McGrath  <roland@redhat.com>

        * configure.ac, systemtap.spec.in: Bump version to 0.5.8.
        * configure: Regenerated.

        * systemtap.spec.in: Fix bundled_elfutils setting so builds can
        possibly work.  Add comment admonishing losers not to touch it.

        * aclocal.m4, Makefile.in: Regenerated with automake-1.9.6-2.

2006-06-16  Li Guanglei <guanglei@cn.ibm.com>

        * lket.in.5: update to reflect the latest changes
        to LKET

2006-06-15  Roland McGrath  <roland@redhat.com>

        * systemtap.spec.in: Require elfutils-0.121.

2006-06-14  Frank Ch. Eigler  <fche@elastic.org>

        * README: Add kernel.org blurb based on text from
        Chuck Ebbert <76306.1226@compuserve.com>.

2006-06-09  Li Guanglei <guanglei@cn.ibm.com>

        * parse.cxx, staptree.cxx, staptree.h, translate.cxx:
        delete lket_trace_extra
        * lket.5.in: delete the description of backtrace in
        LKET

2006-06-08  Thang P Nguyen  <thang.p.nguyen@intel.com>

        * testsuite/buildok/ioblock_test.stp: test ioblock

2006-06-05  David Smith  <dsmith@redhat.com>

        * tapsets.cxx (dwflpp::express_as_string): New function.
        Extracted from dwflpp::literal_stmt_for_local() so that
        dwflpp::literal_stmt_for_return() could also call it.
        (dwflpp::literal_stmt_for_local): Portion extracted to create
        dwflpp::express_as_string().
        (dwflpp::literal_stmt_for_return): New function.  Adds support for
        new symbolic access ("$return") to return value in .return
        probes.  Fixes PR 1132.
        (target_variable_flavour_calculating_visitor::visit_target_symbol):
        Calls dwflpp::literal_stmt_for_return() when in a return probe and
        the variable name is "$return".
        (dwarf_var_expanding_copy_visitor::visit_target_symbol): Ditto.
        * stapfuncs.5.in: Noted that the retval() function is deprecated.
        * stapprobes.5.in: Corrected the name of the return value
        variable.
        * tapset/return.stp: Marked the retval() function as deprecated.
        * testsuite/semko/return01.stp: Added new test.
        * testsuite/semko/return02.stp: Ditto.

2006-06-05  Frank Ch. Eigler  <fche@elastic.org>

        PR 2645 cont'd.
        * elaborate.cxx (derive_probes): Pass down optional flag
        from alias reference to expansion.
        * testsuite/semok/twentytwo.stp: Test passing-down.
        * stapprobes.5.in: Specify passing-down property of optional flag.

2006-06-02  Frank Ch. Eigler  <fche@elastic.org>

        PR 2645 cont'd.
        * elaborate.cxx (find_and_build): Support optional wildcards too.
        (derive_probes): Change last argument to indicate optionalness of
        parent probe point (alias reference).
        (alias_expansion_builder): Shrink epilogue-mode alias body copying.
        Pass along alias reference optionality.
        * elaborate.h: Corresponding changes.
        * testsuite/semko/thirtyfive.stp, semok/twentytwo.stp: New tests.

2006-06-02  Josh Stone  <joshua.i.stone@intel.com>

        * testsuite/buildok/process_test.stp: add signal_handle test
        * examples/small_demos/proc_snoop.stp: log signal_handle

2006-06-02  Frank Ch. Eigler  <fche@elastic.org>

        PR 2645.
        * stapprobes.5.in: Document "?" probe point suffix.
        * parse.cxx (parse_probe_point): Recognize "?" optional suffix.
        * elaborate.cxx (derive_probes): Observe probe_point->optional.
        * staptree.h, staptree.cxx: Corresponding changes.
        * tapsets.cxx (never_derived_probe, never_builder): New classes.
        (register_standard_tapsets): Support "never" probe point.
        * testsuite/buildok/six.stp, parseok/five.stp: Modifed tests.

        * translate.cxx (emit_module_init): Format "-t" (benchmarking)
        cycle-time reports similarly to "-v" (verbose) times.

2006-06-02  David Smith  <dsmith@redhat.com>

        * .cvsignore: Added more files to ignore.

        * main.cxx (usage): Added exitcode parameter.
        (main): Improved a few error messages.  Also, when an error is
        given, stap now always exits with a status of 1.

        * testsuite/buildok/cmdline01.stp: New test.
        * testsuite/parseko/cmdline01.stp: Ditto.
        * testsuite/parseko/cmdline02.stp: Ditto.
        * testsuite/parseko/cmdline03.stp: Ditto.
        * testsuite/parseko/cmdline04.stp: Ditto.
        * testsuite/parseko/cmdline05.stp: Ditto.
        * testsuite/parseko/cmdline06.stp: Ditto.
        * testsuite/parseok/cmdline01.stp: Ditto.
        * testsuite/parseok/cmdline02.stp: Ditto.

2006-06-01  Josh Stone  <joshua.i.stone@intel.com>

        * tapsets.cxx (hrtimer_derived_probe::emit_interval): update
        API usage of hrtimers in preparation of getting exports from
        the kernel.
        (hrtimer_derived_probe::emit_probe_entries): ditto

2006-06-01  Li Guanglei <guanglei@cn.ibm.com>

        * parse.cxx, staptree.cxx, staptree.h, translate.cxx:
        add new function lket_trace_extra at script level
        * lket.5.in: Modified the description of backtrace in
        LKET

2006-05-29  Li Guanglei <guanglei@cn.ibm.com>

        * systemtap.spec.in: include lket-b2a in the rpm package

2006-05-27  Li Guanglei <guanglei@cn.ibm.com>

        * configure.ac: add conditional build of lket-b2a
        if glib2-devel is not found, just skips and gives
        a warning
        * Makefile.am:  add conditional build of lket-b2a
        * Makefile.in, configure: regenerated
        * runtime/lket/b2a/Makefile: deleted. Should be
        generated by configure

2006-05-26  Josh Stone  <joshua.i.stone@intel.com>

        * tapsets.cxx (build_blacklist): build the sets of blacklisted
        functions and function returns.  Manually added many __kprobes
        functions that should not be probed.
        (dwarf_query::dwarf_query): Call build_blacklist.
        (dwarf_query::blacklisted_p): Use blacklist sets.

2006-05-25  Josh Stone  <joshua.i.stone@intel.com>

        * parse.cxx (parser::scan_pp): Free memory for tokens that are
        thrown away in the preprocessing stage.
        * tapsets.cxx
        (dwarf_var_expanding_copy_visitor::visit_target_symbol):
        Free allocated memory when supressing target-variable errors

2006-05-25  David Smith  <dsmith@redhat.com>

        * testsuite/semok/twentyone.stp: New file.

2006-05-24  Frank Ch. Eigler  <fche@elastic.org>

        Pass 4 speedup.
        * tapsets.cxx (derived_probe::emit_common_header): New
        function, to emit code formerly inlined by
        emit_probe_prologue/epilogue.
        * translate.cxx (emit_common_header): Call it.
        * elaborate.h: Corresponding changes.

2006-05-24  David Smith  <dsmith@redhat.com>

        * elaborate.cxx (isglob): New function.
        (match_key::globmatch): New function.
        (match_node::find_and_build): Uses isglob() and
        match_key::globmatch() to provide support for wildcards such as
        "kernel.syscall.*read*" (Bugzilla #1928).
        * elaborate.h (match_key::globmatch): Added function declaration.
        * parse.cxx (parser::parse_probe_point): Collects one or more
        tokens into a single probe-point functor string.

        * testsuite/parseko/twentytwo.stp: New file.
        * testsuite/parseok/sixteen.stp: New file.

2006-05-24  David Smith  <dsmith@redhat.com>

        * testsuite/parseko/cmdlinearg01.stp: New file.
        * testsuite/parseko/cmdlinearg02.stp: New file.
        * testsuite/parseko/eighteen.stp: New file.
        * testsuite/parseko/foreachstmt01.stp: New file.
        * testsuite/parseko/foreachstmt02.stp: New file.
        * testsuite/parseko/foreachstmt03.stp: New file.
        * testsuite/parseko/foreachstmt04.stp: New file.
        * testsuite/parseko/foreachstmt05.stp: New file.
        * testsuite/parseko/forstmt01.stp: New file.
        * testsuite/parseko/forstmt02.stp: New file.
        * testsuite/parseko/forstmt03.stp: New file.
        * testsuite/parseko/forstmt04.stp: New file.
        * testsuite/parseko/functiondecl01.stp: New file.
        * testsuite/parseko/functiondecl02.stp: New file.
        * testsuite/parseko/functiondecl03.stp: New file.
        * testsuite/parseko/functiondecl04.stp: New file.
        * testsuite/parseko/functiondecl05.stp: New file.
        * testsuite/parseko/functiondecl06.stp: New file.
        * testsuite/parseko/functiondecl07.stp: New file.
        * testsuite/parseko/ifstmt01.stp: New file.
        * testsuite/parseko/ifstmt02.stp: New file.
        * testsuite/parseko/nineteen.stp: New file.
        * testsuite/parseko/preprocess01.stp: New file.
        * testsuite/parseko/preprocess02.stp: New file.
        * testsuite/parseko/preprocess03.stp: New file.
        * testsuite/parseko/preprocess04.stp: New file.
        * testsuite/parseko/preprocess05.stp: New file.
        * testsuite/parseko/preprocess06.stp: New file.
        * testsuite/parseko/preprocess07.stp: New file.
        * testsuite/parseko/preprocess08.stp: New file.
        * testsuite/parseko/preprocess09.stp: New file.
        * testsuite/parseko/probepoint01.stp: New file.
        * testsuite/parseko/probepoint02.stp: New file.
        * testsuite/parseko/probepoint03.stp: New file.
        * testsuite/parseko/seventeen.stp: New file.
        * testsuite/parseko/ternarystmt01.stp: New file.
        * testsuite/parseko/twenty.stp: New file.
        * testsuite/parseko/twentyone.stp: New file.
        * testsuite/parseko/whilestmt01.stp: New file.
        * testsuite/parseko/whilestmt02.stp: New file.

2006-05-24  Li Guanglei <guanglei@cn.ibm.com>

        * configure.ac: add lket.5 & runtime/lket/b2a
        * Makefile.am:  add lket & runtime/lket/b2a
        * aclocal.m4, Makefile.in, configure: regenerated
        * runtime/lket/b2a/*: a binary to ascii converter used
        to convert LKET's default binary trace data.
        * lket.5.in: add intro of lket-b2a converter.

2006-05-23  David Smith  <dsmith@redhat.com>

        * parse.cxx (parse_for_loop): Corrected error message.

2006-05-22  David Smith  <dsmith@redhat.com>

        * elaborate.cxx (find_and_build): Fixed issue #2643.  Wildcard
        code was being too optimistic.

2006-05-22  Li Guanglei <guanglei@cn.ibm.com>

        * lket.in.5: draft version of manpage for LKET
        * Makefile.in, configure, stap.1.in: add lket.in.5

2006-05-18  Frank Ch. Eigler  <fche@elastic.org>

        Organize "-t" output by script/parse level probes rather than
        derived-probes.
        * elaborate.cxx (derived_probe ctor): Remove name field setting.
        (alias_derived_probe): New class.
        (alias_expandion_builder::build): Create an instance of the above
        instead of parse-tree-level plain probe.
        * elaborate.h: Corresponding changes.
        (derived_probe::basest): Define.
        * staptree.cxx (probe ctor): Set new name field.
        * staptree.h (probe): Corresponding changes.
        (probe::basest): New field.
        * tapsets.cxx (emit_probe_prologue, emit_probe_entries):
        Switch to basest() probe name for Stat instance.
        (dwarf_derived_probe ctor): Stash away base probe.
        * translate.cxx (unparser::emit_probe): Remove index
        operand, just use probe name to generate symbols.
        (emit_module_init): Reorganize -t output in unregister functions.
        (translate_pass): Remove unparser::current_probenum field and all
        uses.
        * translate.h: Corresponding changes.

2006-05-18  Li Guanglei <guanglei@cn.ibm.com>

        * tapset/LKET/*: tracing tapsets of LKET
        * tapset/context.stp: add stp_pid() func
        * tapset/ppc64/syscalls.stp: add conditional preprocessing
        since sys64_time is removed from kernel >= 2.6.16

2006-05-18  Li Guanglei <guanglei@cn.ibm.com>

        * tapset/tskschedule.stp: deleted, merge into scheduler.stp
        * tapset/scheduler.stp:   incorporate tskschedule.stp
        * testsuite/buildok/tskschedule.stp: deleted, merge into
          sched_test.stp
        * testsuite/buildok/sched_test.stp: incorporate tskschedule.stp

2006-05-17  Josh Stone  <joshua.i.stone@intel.com>

        * testsuite/buildok/sched_test.stp: test scheduler tapset
        * examples/small_demos/sched_snoop.stp: demo scheduler tapset

2006-05-18  Li Guanglei <guanglei@cn.ibm.com>

        * testsuite/buildok/ioscheduler.stp: testcase for ioscheduler.stp
        * testsuite/buildok/memory.stp:      testcase for memory.stp
        * testsuite/buildok/networking.stp:  testcase for networking.stp
        * testsuite/buildok/scsi.stp:        testcase for scsi.stp
        * testsuite/buildok/tskschedule.stp: testcase for tskschedule.stp

2006-05-18  Li Guanglei <guanglei@cn.ibm.com>

        * tapset/ioscheduler.stp: generic IO scheduler tapsets from LKET
        * tapset/memory.stp:      generic pagefault tapsets from LKET
        * tapset/networking.stp:  generic networking tapsets from LKET
        * tapset/scsi.stp:        generic scsi tapsets from LKET
        * tapset/tskschedule.stp: generic task scheduler tapsets from LKET
        * tapset/process.stp:     changes to process.exec alias

2006-05-16  David Smith  <dsmith@redhat.com>

        * parse.cxx (parser::parser): Added initializer for 'context'
        member variable.
        (tt2str): Added support for new tok_keyword type.
        (operator <<): Ignores keyword content when outputting error
        message.
        (lexer::scan): Recognizes keywords, such as 'probe', 'global',
        'function', etc. and classifies them as type 'tok_keyword'.  This
        causes keywords to become reserved so they cannot be used for
        function names, variable names, etc.
        (parser::parse): Changed tok_identifier to tok_keyword when looking
        for "probe", "global", or "function".  Also sets context member
        variable which remembers if we're in probe, global, function, or
        embedded context.
        (parser::parse_probe, parser::parse_statement)
        (parser::parse_global, parser::parse_functiondecl)
        (parser::parse_if_statement, parser::parse_delete_statement)
        (parser::parse_break_statement, parser::parse_continue_statement)
        (parser::parse_for_loop, parser::parse_while_loop)
        (parser::parse_foreach_loop, parser::parse_array_in): Looks for
        tok_keyword instead of tok_identifier.
        (parser::parse_probe_point): Allows keywords as part of a probe
        name, since "return" and "function" are keywords.
        (parser::parse_return_statement): Looks for tok_keyword instead of
        tok_identifier.  Make sure we're in function context.
        (parser::parse_next_statement): Looks for tok_keyword instead of
        tok_identifier.  Make sure we're in probe context.
        * parse.h: Added parse_context enum.  Added 'tok_keyword' to
        token_type enum.  Added parse_context 'context' member variable to
        parser class.
        * stap.1.in: Because the string() function has been removed,
        the 'string()' function reference has been changed to a 'sprint()'
        function reference.
        * stapex.5.in: Ditto.
        * stapfuncs.5.in: The description of the string() and hexstring()
        functions has been removed.
        * testsuite/buildok/context_test.stp: Calls to the string()
        function were converted to sprint() function calls.
        * testsuite/buildok/fifteen.stp: Ditto.
        * testsuite/buildok/nineteen.stp: Ditto.
        * testsuite/buildok/process_test.stp: Ditto.
        * testsuite/buildok/task_test.stp: Ditto.
        * testsuite/buildok/timestamp.stp: Ditto.
        * testsuite/buildok/twentyone.stp: Ditto.
        * testsuite/semok/args.stp: Ditto.
        * testsuite/semok/seven.stp: Ditto.
        * testsuite/buildok/fourteen.stp: Calls to log()/string() were
        converted to a call to printf().
        * testsuite/buildok/sixteen.stp: Ditto.
        * testsuite/buildok/thirteen.stp: Ditto.
        * testsuite/buildok/twentythree.stp: Ditto.
        * testsuite/buildok/twentytwo.stp: Ditto.
        * testsuite/buildok/seven.stp: Calls to the string()
        function were converted to sprint() calls.  Calls to the
        hexstring() function were converted to sprintf() calls.
        * testsuite/semok/eleven.stp: Ditto.
        * testsuite/buildok/seventeen.stp: Calls to log()/hexstring() were
        converted to a call to printf().
        * testsuite/semko/nineteen.stp: Ditto.
        * testsuite/parseok/three.stp: Because keywords are reserved, a
        variable named 'string' was renamed to 'str'.
        * testsuite/parseok/two.stp: Because keywords are reserved, a
        variable named 'global' was renamed to 'gbl'.
        * testsuite/transko/two.stp: Because the parser now checks for
        'next' and 'return' statement context, a 'next' statement was
        removed from a function and a 'return' statement was removed from
        a probe.

2006-05-15  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx, translator.cxx (*): Designate more emitted
        functions as static.
        * translator.cxx (visit_print_format): Correct regression
        regression from two weeks ago.
        * stapfuncs.5.in: Tweak wording.  Deprecate returnval() in favour
        of retval().

2006-05-12  Thang P Nguyen  <thang.p.nguyen@intel.com>

        * testsuite/buildok/probefunc.stp: test probefunc()

2006-05-12  Frank Ch. Eigler  <fche@elastic.org>

        * stapfuncs.5.in: Clarify backtrace-related functions.

2006-05-11  David Smith  <dsmith@redhat.com>

        * tapset/ctime.stp: New file.

2006-05-09  Josh Stone  <joshua.i.stone@intel.com>

        * examples/small_demos/proc_snoop.stp: monitor all process events.
        * testsuite/buildok/task_test.stp: test compilation of all task
        functions.
        * testsuite/buildok/process_test.stp: test all process events and
        associated variables.

2006-05-09  Will Cohen  <wcohen@redhat.com>

        PR 2228
        * parse.h:
        * parse.cxx: Add << operator for struct source_loc.
        * translate.cxx (emit_module_init): Print location of probe in script.

2006-05-09  Li Guanglei <guanglei@cn.ibm.com>

        PR 2520
        * main.cxx: add -M option to stop merge per-cpu files in bulk mode
        * session.h: add merge member into systemtap_session
        * buildrun.cxx: generate stpd_cmd to stop merge per-cpu files if -M
        option is turned on by stap.

2006-05-08  Li Guanglei <guanglei@cn.ibm.com>

        PR 2627
        * elaborate.cxx: epilogue style alias expansion
        * parse.cxx: parse += alias definition
        * staptree.h: add epilogue_style member to probe_alias
        * stap.1.in: add the description of epilogue style alias
        * testsuite/parseok/fifteen.stp: testcase for epilogue style alias

2006-05-05  Roland McGrath  <roland@redhat.com>

        * configure.ac (build_elfutils): Pass CFLAGS to elfutils configure,
        editting out -Wall.
        * configure: Regenerated.

2006-05-05  Frank Ch. Eigler  <fche@elastic.org>

        PR 2643
        * testsuite/buildok/syscalls.stp: Take "-u" away again.
        * configure.ac, systemtap.spec.in: Bump version to 0.5.7.
        * configure: Regenerated.

2006-05-05  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac, systemtap.spec.in: Bump version to 0.5.6.
        * configure: Regenerated.

2006-05-05  Will Cohen  <wcohen@redhat.com>

        * small_demos/fileopen.stp: Shows use of target() to look at pid.
        * small_demos/rwtiming.stp: Shows per executable histograms of time
        spent in read and write system calls.

2006-05-05  Eugene Teo  <eteo@redhat.com>

        PR 2433
        * tapsets.cxx (dwarf_query::blacklisted_p): Extend the list of
        blacklisted .return probes to include "do_exit". Correct funcname
        typo for "sys_groupexit".
        * tapset/syscalls.stp: Remove .return probe aliases of never-
        returning syscall.exit and syscall.exit_group calls.

2006-05-05  David Smith  <dsmith@redhat.com>

        * translate.cxx (mapvar::exists): Added code for string array
        handling.  Otherwise, string array elements always exist.

2006-05-03  Josh Stone  <joshua.i.stone@intel.com>

        PR 2506
        * tapsets.cxx (dwarf_query::blacklisted_p): skip probes in .exit.*

2006-05-02  Will Cohen  <wcohen@redhat.com>

        * translate.cxx (emit_module_init): Move closing '}' inside #ifdef.

2006-05-02  Will Cohen  <wcohen@redhat.com>

        PR 2228
        * stap.1.in: Document "-t" option.
        * main.cxx (main): Add "-t" option for collecting timing information.
        * session.h (systemtap_session): Corresponding changes.
        * tapsets.cxx (emit_probe_prologue, emit_probe_epilogue,
        emit_probe_entries):
        * translate.cxx: (emit_common_header, emit_module_init,
        translate_pass): Add time collection of timing information.


2006-05-01  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (visit_print_format): Fix regression in
        "printf" pseudo-result initialization.

2006-04-30  Frank Ch. Eigler  <fche@elastic.org>

        PR 2610.
        * translate.cxx (c_unparser::visit_arrayindex, visit_stat_op):
        Detect empty aggregates consistently.
        (visit_print_format): Ditto.  Also detect errors due to
        argument evaluation.
        (translator_output::*): Add a flush before a failing assert,
        to produce more context when debugging.

2006-04-25  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am: Removed "rpm" target.
        * Makefile.in, aclocal.m4: Regenerated.

2006-04-25  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (typeresolution_info::unresolved,invalid,
        mismatch): Print current function/probe name in error message.
        (semantic_pass_types): Pass sufficient information.
        * elaborate.h: Corresponding changes.

2006-04-25  Frank Ch. Eigler  <fche@elastic.org>

        PR 2427.
        * staptree.cxx (varuse_collecting_visitor::visit_embeddedcode):
        Support /* pure */ declaration.  Stop using __tvar_ naming hack.
        (v_c_u::visit_print_format): Mark sprint and sprintf as
        side-effect-free.
        (deep_copy_visitor::visit_print_format): Propagate raw_components.
        * stap.1.in: Document declaration.
        * elaborate.cxx (semantic_pass_opt2): Verbose message tweak.
        (dead_stmtexpr_remover): Extend for more aggressive optimization.
        * tapsets.cxx (dwarf,mark_var_expanding_copy_visotor): Add
        /* pure */ declaration to rvalue expansions.
        * tapset/*.stp: Added /* pure */ declarations to many functions.
        * testsuite/parseok/unparsers.stp: Propagate guru mode flag.
        * testsuite/buildok/twentyfour.stp: New test.

2006-04-24  Frank Ch. Eigler  <fche@elastic.org>

        PR 2599.
        * elaborate.cxx (visit_assignment): Tolerate null current_expr.
        * testsuite/semok/optimize.stp: Add relevant tests.

2006-04-23  Eugene Teo  <eteo@redhat.com>

        PR 2149
        * translate.cxx (mapvar::set): Test _stp_map_set_xx() for
        array overflows.

2006-04-23  Eugene Teo  <eteo@redhat.com>

        * small_demos/ansi_colors.stp: Add an example of using octal
        escape sequences to display all possible ansi colors.

2006-04-21  Eugene Teo  <eteo@redhat.com>

        PR 1326
        * translate.cxx (c_unparser::visit_binary_expression): Handle
        negative left and right shift count.

2006-04-21  Frank Ch. Eigler  <fche@elastic.org>

        PR 953
        * elaborate.h (derived_probe): Add field "name".  Stop passing
        "probe index" to other emit_* calls.
        (emit_probe_context_vars): New member function.
        * elaborate.cxx (derived_probe ctor): Generate unique name.
        * translate.cxx (*): Adapt to index->name.
        (emit_probe): Realize that probe locals only occur at nesting=0.
        * tapsets.cxx (*derived_probe::emit_*): Adapt to index->name.
        (mark_var_expanding_copy_visitor): New class to process $argN.
        (mark_derived_probe ctor): Call it.
        (mark_derived_probe::emit_probe_context_vars): Do it.
        * buildrun.cxx (compile_pass): Add more optional gcc verbosity.
        Add CFLAGS += -freorder-blocks.
        * testsuite/buildok/marker.stp: New test.

2006-04-19  Eugene Teo  <eteo@redhat.com>

        PR 2014
        * parse.cxx (lexer::scan): Added \[0-7]* case to preserve
        octal escape sequences.

2006-04-18  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (install-data-local): Another try.

2006-04-18  Frank Ch. Eigler  <fche@elastic.org>

        PR 2220
        * translate.cxx (visit_statement): Tolerate 0 first argument.
        (visit_for_loop, visit_foreach_loop): Call it thusly for condition
        expression.
        (visit_embededcode, visit_block, visit_null_statement): Don't
        call visit_statement() at all.

2006-04-18  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (install-data-local): Tweak previous fix.
        (install-data-local):

2006-04-18  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (install-data-local): Rewrite. Set
        ownership and permissions for all files and directories
        under runtime and tapset. Restrict files to source code.

        * Makefile.in: Rebuilt.

2006-04-18  Eugene Teo  <eteo@redhat.com>

        PR 1341
        * main.cxx (main): Use TMPDIR instead of hard-coded /tmp.

2006-04-17  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (mark_derived_probe::emit_{de}registrations):
        Use cmpxchg to synchronize.

2006-04-12  Tom Zanussi  <zanussi@us.ibm.com>

        PR 2538
        * buildrun.cxx (compile_pass): Remove space
        between -I and runtime path.

2006-04-12  Martin Hunt  <hunt@redhat.com>

        PR 2497
        * translate.cxx (translate_pass): Don't
        reset STP_STRING_SIZE if it was already defined.
        Set it to 1024 by default.

2006-04-10  Martin Hunt  <hunt@redhat.com>

        * translate.cxx (visit_print_format): Call
        _stp_snprintf() instead of snprintf().

2006-04-09  Martin Hunt  <hunt@redhat.com>

        Add binary printf support.

        * elaborate.cxx (visit_print_format): Don't include
        conv_literal or conv_size  in components vector.
        Add conv_binary to switch statement.

        * translate.cxx (visit_print_format): Eliminate
        special cast to (long long) for pe_long because new
        vsnprintf uses int64_t.

        * staptree.h (struct print_format): Add conv_binary and conv_size.

        * staptree.cxx (components_to_string): Add conv_binary case.
        Add conv_size case.
        (string_to_components): Add cases for 'b' and 'n'

2006-04-08  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (resolve_prologue_endings): Rewrote.
        (resolve_prologue_endings2): Removed.

        * gen-stapmark.h: Emit a 0-arity marker.
        * stapmark.h: Regenerated for arities 0..6.

2006-04-04  Roland McGrath  <roland@redhat.com>

        * configure.ac: Bump version to 0.5.5.
        Require elfutils-0.120.
        * configure: Regenerated.
        * systemtap.spec.in: Likewise.

        * main.cxx (version): Use dwfl_version.

        * loc2c.c (array_stride): stride_size -> byte_stride

2006-04-04 Tom Zanussi  <zanussi@us.ibm.com>

        * stp_check: Change test for relay vs relayfs

2006-03-30  Martin Hunt  <hunt@redhat.com>

        * tapsets.cxx (dwarf_derived_probe::emit_registrations):
        Change maxactive so single-processor kernels using
        kretprobes don't get lots of dropped probes.

2006-03-30  Frank Ch. Eigler  <fche@elastic.org>

        PR 953, part 1
        * tapsets.cxx: (mark_derived_probe*): New classes.
        (register_standard_tapsets): Register kernel/module.mark() family.
        * stapmark.h: New header for static instrumentation markers.
        * gen-stapmark.h: New perl script to generate it.
        * elaborate.cxx (derived_probe ctor): Ignore null location*.

2006-03-29  Josh Stone  <joshua.i.stone@intel.com>

        * tapsets.cxx (hrtimer_derived_probe::*): creates a probe point
        based on the hrtimer APIs.
        * tapsets.cxx (hrtimer_builder::*):  parses the user's time-spec
        into a 64-bit nanosecond value, and calls the appropriate
        derived_probe.
        * tapsets.cxx (register_standard_tapsets): add hrtimer bindings
        * translate.cxx (translate_pass): add linux/random.h include,
        used for generating 64-bit random numbers for hrtimers.

2006-03-28  Martin Hunt  <hunt@redhat.com>

        * testsuite/buildok/syscall.stp: Update so
        it works again.

2006-03-16 Tom Zanussi  <zanussi@us.ibm.com>

        * configure.ac: Revert relayfs version check.
        * configure: Reverted.
        * translate.cxx (compile_pass): Remove relayfs include path.

2006-03-15 Tom Zanussi  <zanussi@us.ibm.com>

        * configure.ac: Add check for relayfs version.
        * configure: Regenerated.
        * stp_check.in: Remove bundled relayfs loading/compilation, add
        check for relay (vs relayfs).

2006-03-13  Josh Stone  <joshua.i.stone@intel.com>

        * safety/safety.py: Support IA64 disassembly matching.
        * safety/data/opcodes-ia64: new opcode rules for IA64.
        * safety/data/references: Add references used by example scripts
        when compiled for IA64.

2006-03-13  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (emit_globals): Tag globals, especially the locks,
        as __cacheline_aligned.

2006-03-09  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (emit_locks): Emit dummy references to unlock_ ...
        (emit_module_init): ... and probe_point.

2006-03-06  Frank Ch. Eigler  <fche@elastic.org>

        PR 2425
        * staptree.cxx (varuse_collecting_visitor::visit_embeddedcode):
        Realize that $var-setter functions have side-effects.
        * testsuite/transok/tval-opt.stp: New test.

2006-03-06  Martin Hunt  <hunt@redhat.com>

        * buildrun.cxx (run_pass): Add "-u username".
        * stapfuncs.5.in: Document system().

2006-03-06  Frank Ch. Eigler  <fche@elastic.org>

        * stapex.5.in: Use \[aq] for plain single quotes for encoding
        variation tolerance.

2006-03-03  Josh Stone  <joshua.i.stone@intel.com>

        * main.cxx (main): search forward for dashes in the kernel release,
        to work properly with release names with more than one dash.  Also
        * parse.cxx (eval_pp_conditional): ditto
        * tapsets.cxx (profile_derived_probe::profile_derived_probe): ditto
        * safety/safety.py (StaticSafety::__build_search_suffixes): ditto,
        and add copyright & GPL tag

        PR 2390
        * main.cxx (main): expand search path so that revision w.x.y.z
        searches w.x.y.z, w.x.y, and w.x.

2006-03-03  Frank Ch. Eigler  <fche@elastic.org>

        * tapset/indent.stp, indent-default.stp: New little tapset.
        * stapfuncs.5.in: Document it.
        * testsuite/buildok/indent.stp: Build it.

2006-02-27  Josh Stone  <joshua.i.stone@intel.com>

        * safety/*: Add a static safety checker.

2006-02-25  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (var::init): Don't crush string module_params.
        (emit_global_param): New function, forked out of emit_global,
        to put module_param calls at the bottom of C file.
        * translate.h: Corresponding changes.

2006-02-23  Frank Ch. Eigler  <fche@elastic.org>

        PR 1304
        * parse.cxx (lexer): Take systemtap_session argument.
        (lexer::scan): Support $1..$NNNN and @1...@NNNN expansion.
        * stap.1.in: Document this.
        * testsuite/semok/args.stp: New test.
        * translate.cxx (var::init, emit_global): Emit code to allow
        named module parameters to initialize global string/number scalars.
        * stap.1.in: Don't document this yet.

        PR 2334
        * main.cxx (main): Clarify "-v" option repeatibility.
        * stap.1.in: Ditto.

2006-02-23  Roland McGrath  <roland@redhat.com>

        * Makefile.am (AUTOMAKE_OPTIONS): New variable, set dist-bzip2.
        * Makefile.in: Regenerated.

2006-02-23  Martin Hunt  <hunt@redhat.com>

        PR 1989. Adds support for %p in printf
        * staptree.h (struct print_format): Add conv_unsigned_ptr.
        * staptree.cxx (components_to_string): Output 'p'
        for conv_unsigned_ptr.
        * elaborate.cxx (visit_print_format): Add case for
        conv_unsigned_ptr.

2006-02-23  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (install-data-local): Create tapset/i686 and
        tapset/x86_64 directories. This fixes a problem where they
        were included, but had bad permissions.
        * Makefile.in: Rebuilt.

2006-02-22  Frank Ch. Eigler  <fche@elastic.org>

        * stapfuncs.5.in: Document get_cycles().
        * testsuite/buildok/timestamp.stp: Build it and its friends.

2006-02-22  Frank Ch. Eigler  <fche@elastic.org>

        PR 2293.
        * tapsets.cxx (emit_probe_epilogue): Emit early local_irq_save().
        (emit_probe_epilogue): ... and matching _restore().

        * main.cxx (main): Emit a "hello, I'm starting" message
        before pass 5 in verbose mode.

2006-02-17  Frank Ch. Eigler  <fche@elastic.org>

        * stapfuncs.5.in (cpu): Document contextinfo function.

2006-02-15  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (varlock*): Removed now unnecessary class.
        (aggregation_locks): Renamed field to aggregations_active.

2006-02-14  Frank Ch. Eigler  <fche@elastic.org>

        * stapfuncs.5.in: Document new queue_stats tapset.
        * elaborate.cxx (*): Put "while:" clarification messages before a
        thrown semantic error.
        * staptree.cxx (print_format::string_to_components): Correct
        parse of "%%" formatting element.

2006-02-07  Frank Ch. Eigler  <fche@elastic.org>

        * src/testsuite/buildok/syscalls.stp: Build with "-u" to build-test
        all auxiliary functions.
        * tapsets.cxx (dwarf_query::add_probe_point): Add some "-vv" output.

2006-02-07  Josh Stone  <joshua.i.stone@intel.com>

        PR 2068
        * tapsets.cxx (dwarf_query::blacklisted_p): add __switch_to
        to the blacklist for x86_64 architecture only.

2006-02-06  Will Cohen  <wcohen@redhat.com>

        * tapset/syscall2.stp: Correct opening comment typo.

2006-02-06  Will Cohen  <wcohen@redhat.com>

        * tapset/syscall2.stp: Correct closing comment typos.

2006-02-01  Frank Ch. Eigler  <fche@elastic.org>

        * testsuite/semko/one.stp: Make sure test case stays broken.

2006-02-01  Martin Hunt  <hunt@redhat.com>

        * stapfuncs.5.in: Document is_return(), returnval() and
        probefunc().
        * testsuite/buildok/syscall.stp: Basic syscall test.

2006-02-01  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac, systemtap.spec.in: Version 0.5.4.
        * configure: Regenerated.

2006-01-31  Josh Stone  <joshua.i.stone@intel.com>

        PR 2252
        * translate.cxx (translate_pass): Fix legacy definition of
        read_trylock.

2006-01-30  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (main): Also print elapsed real time for each pass.

2006-01-27  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx: Make "-v" (verbose) flag a counter.
        * stap.1.in: Document this.
        * session.h: Corresponding changes.
        * {elaborate,buildrun,tapsets,translate}.cxx: Update all uses of
        verbose flag to compare it to sensible level for value of message.

2006-01-27  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (main): In verbose mode, print user+sys times after
        each pass.
        * buildrun.cxx (compile_pass): Move success message back to main().

2006-01-26  Frank Ch. Eigler  <fche@elastic.org>

        PR 2060: lock elevation, mop-up
        * staptree.cxx (functioncall_traversing_visitor): Store a
        current_function pointer during traversal.
        (visit_embeddedcode): Use it to handle $target-synthesized functions.
        (varuse_collecting_visitor::visit_assignment): Correct l-lr typo.
        (visit_foreach_loop): Note added write on sorted foreach.
        (visit_delete_statement): Note as read+write.
        * staptree.h: Corresponding changes.
        * elaborate.cxx (dead_assignment_remover::visit_expr_statement):
        Correct stmt token after possible expression rewriting.
        * tapsets.cxx (visit_target_symbol): Create naming convention
        to recognize $target-synthesized functions.
        * translate.cxx (emit_locks, emit_unlocks): New functions to
        emit lock/unlock sequences at the outermost level of a probe.
        (emit_probe): Call them.
        (varlock_*): #if-0 out the lock code generation.  Later, these
        classes should be removed.
        (translate_pass): Emit read_trylock() kludge macro for old kernels.

2006-01-25  Frank Ch. Eigler  <fche@elastic.org>

        PR 2205, patch from <hiramatu@sdl.hitachi.co.jp>:
        * parse.cxx (scan): Correct EOF detection for %{ %} case.

2006-01-24  Frank Ch. Eigler  <fche@elastic.org>

        PR 2060 etc.
        * tapsets.cxx (visit_target_symbol): Tolerate failed resolution by
        letting target_symbol instance pass through to optimizer and
        type checker.
        * elaborate.cxx (semantic_pass_optimize): New family of functions and
        associated visitor classes.
        (visit_for_loop): Tolerate absent init/incr clauses.
        (semantic_pass): Invoke unless unoptimized (-u) option given.
        * main.cxx, session.h: Add support for flag.
        * staptree.cxx (visit_for_loop): Tolerate absent init/incr clauses.
        (traversing_visitor::visit_arrayindex): Visit the index expressions.
        (functioncall_traversing_visitor): New class.
        (varuse_tracking_visitor): New class.
        * staptree.h: Corresponding changes.
        * parse.cxx (parse_for_loop): Represent absent init/incr expressions
        with null statement pointer instead of optimized-out dummy numbers.
        * stap.1.in: Document optimization.
        * testsuite/{semko,transko}/*.stp: Added "-u" or other code to many
        tests to check bad code without optimizer elision.
        * testsuite/semok/optimize.stp: New test.

        * elaborate.cxx (unresolved, invalid, mismatch): Standardize error
        message wording.
        * stapfuncs.5.in: Tweak print/printf docs.
        * tapset/logging.stp: Remove redundant "print" auxiliary function,
        since it's a translator built-in.
        * testsuite/transok/five.stp: Extend test.
        * translate.cxx (emit_symbol_data): Put symbol table into a separate
        temporary header file, to make "-p3" output easier on the eyes.
        * buildrun.cxx (compile_pass): Eliminate test-mode support throughout.
        * main.cxx, session.h, translate.cxx: Ditto.
        * main.cxx (main): For last-pass=2 runs, print post-optimization ASTs.

2006-01-18  Josh Stone  <joshua.i.stone@intel.com>

        * tapsets.cxx (profile_derived_probe::emit_probe_entries): Setup
        c->regs properly in light of the emit_probe_prologue change.

2006-01-18  Josh Stone  <joshua.i.stone@intel.com>

        * translate.cxx (c_unparser::visit_foreach_loop): improved the error
        message when _stp_pmap_agg fails.

2006-01-18  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (c_unparser_assignment::visit_arrayindex):
        Eliminate dummy assignments for "<<<" code.

2006-01-17  Josh Stone  <joshua.i.stone@intel.com>

        PR 2156
        * testsuite/buildok/pmap_foreach.stp: Add test with sorting

2006-01-17  Josh Stone  <joshua.i.stone@intel.com>

        PR 2156
        * translate.cxx (c_unparser::visit_foreach_loop): Check the return
        value of _stp_pmap_agg() for NULL.

2006-01-17  Frank Ch. Eigler  <fche@elastic.org>

        * systemtap.spec.in: Remove explicit kernel-devel dependency,
        since some old kernel rpm builds don't virtual-provide it for
        e.g. smp, hugemem.

2006-01-17  Frank Ch. Eigler  <fche@elastic.org>

        PR 2142
        * translate.cxx (EXTRACTORS_PERMISSIVE): New experimental policy
        parameter.
        (c_unparser::visit_arrayindex, visit_print_format, visit_stat_op):
        Tolerate absent index (= NULL runtime return) in pmap.
        (*): Make semantic_error messages consistently lower case.
        * testsuite/buildok/iterate_histogram_buckets.stp: Note some missing
        functionality.

2006-01-17  Josh Stone  <joshua.i.stone@intel.com>

        * stap.1.in: Document the 'delete' operator.

2006-01-16  Roland McGrath  <roland@redhat.com>

        * systemtap.spec.in (elfutils_version): Require 0.119 now.
        * configure.ac, systemtap.spec.in: Version 0.5.3.
        * configure: Regenerated.

2006-01-16  Josh Stone  <joshua.i.stone@intel.com>

        PR 2140
        * translate.cxx (mapvar::del): Add ability to delete an indexed stat
        from (p)maps.
        (delete_statement_operand_visitor::visit_symbol): Add ability to
        delete entire pmaps and scalars.
        (delete_statement_operand_tmp_visitor): Add a special tmpvar visitor
        to parallel delete_statement_operand_visitor.
        (c_tmpcounter::visit_delete_statement): Invoke the new visitor.
        * testsuite/buildok/delete.stp: Also test scalar deletes.
        * vim/syntax/stap.vim: Recognize 'delete' operator.

2006-01-15  Frank Ch. Eigler  <fche@elastic.org>

        PR 2148
        * translate.cxx (MAXERRORS): Actually the max should be 0, so first
        error aborts session.

2006-01-13  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx (main): Suppress "Try again with -v" message if already
        verbose.

2006-01-13  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (c_unparser:getmap): Correct exception throwing typo.

2006-01-12  Josh Stone  <joshua.i.stone@intel.com>

        PR 2056
        * translate.cxx (c_unparser::aggregation_locks): Keeps track of
        foreach's locks on pmaps to avoid extra aggregation.
        (c_unparser::visit_foreach_loop): Set aggregation_locks appropriately.
        (c_unparser::load_aggregate, mapvar::call_prefix, mapvar::get):
        Use a new parameter to indicate that we should read from the
        already-aggregated map rather than the full pmap..
        (c_unparser::visit_arrayindex c_unparser::visit_print_format,
        c_unparser::visit_stat_op): Use aggregation_locks to avoid taking a
        lock and aggregating the pmap.
        (c_unparser::emit_map_type_instantiations): To read from a pmap's
        aggregated map, we need to include map-gen.c for the _stp_map_*
        functions.
        (c_unparser::obtained_locks, varlock::varlock, varlock::~varlock):
        Add simple static checking to detect incompatible nested locks during
        translation, and flag it as an error.

2006-01-11  Josh Stone  <joshua.i.stone@intel.com>

        PR 2140
        * testsuite/buildok/delete.stp: Test correct compilation of the
        'delete' operator for all "legal" variations.

2006-01-11  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (MAXERRORS): Oops, set back to intended default of 1.

2006-01-10  Frank Ch. Eigler  <fche@redhat.com>

        PR 1972.
        * tapsets.cxx (var_expanding_copy_visitor::visit_target_symbol):
        Produce error message for $var access within .return probes.
        * testsuite/semko/thirtyfour.stp: New test.

2006-01-10  Frank Ch. Eigler  <fche@redhat.com>

        PR 2060.
        * buildrun.cxx (compile_pass): Add "V=1" to kbuild if verbose.
        * translate.cxx (translator_output): For output-file constructor,
        set an explicit output buffer.
        (emit_module_init, emit_module_exit): Reorganize output, to spit
        each individual probe registration/deregistration blurb into a
        separate function.
        * translate.h: Corresponding changes; set default buffer size to 8K.
        * translate.cxx, tapsets.cxx: Replace "endl" by buffer-friendly "\n"
        throughout code generation routines.

2006-01-09  Frank Ch. Eigler  <fche@redhat.com>

        * HACKING: Extend guidelines for tapset testing.

2006-01-06  Will Cohen  <wcohen@redhat.com>

        * Makefile.am (gcov,lcov): Don't remove .gcno .gcda files.
        * Makefile.am (gcov): Fix to report data when tests fail.
        * Makefile.am (lcov): New rule to generate html coverage data.
        * Makefile.in: Regenerated.

2006-01-05  Josh Stone  <joshua.i.stone@intel.com>

        PR 2056
        * translate.cxx (var::~var, var::hist, var::buckets): make these
        methods virtual, so we can use polymorphism.
        (mapvar::hist, mapvar::buckets):  Override the corresponding var
        methods to handle pmaps correctly.
        (c_unparser::visit_arrayindex, c_unparser::visit_print_format): Make
        use of the new polymorphic behavior of var & mapvar when dealing with
        histogram data.
        * testsuite/buildok/pmap_foreach.stp: Add tests to check histogram
        accesses with for/foreach.

2006-01-04  Frank Ch. Eigler  <fche@elastic.org>

        PR 2057.
        * translate.cxx (c_unparser_assignment::visit_arrayindex): Don't take
        write lock around pmap accumulation.

2006-01-04  Will Cohen  <wcohen@redhat.com>

        * testsuite/buildok/printf.stp: Improve test coverage.

2006-01-03  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (emit_deregistration): Fix bad thinko on loop nesting.

2006-01-03  Frank Ch. Eigler  <fche@redhat.com>

        PR 1144, 1379
        * tapsets.cxx (emit_probe_prologue, _epilogue): New routines.
        Call from existing derived_probe spots.  Implement soft errors in
        epilogue code.  Implement reentrancy detection in prologue code.
        (dwarf_derived_probe::emit_deregistration): Add kprobes layer
        "nmissed" to skipped_count.
        * translate.cxx (varlock): Use nsleep(TRYLOCKDELAY) in lock
        contention loop.
        (emit_module_exit): Report number of soft errors and skipped probes.
        (emit_function, _probe): Add __restrict__ marker to context pointer.
        (translate_pass): Define new MAXTRYLOCK, TRYLOCKDELAY, MAXERRORS,
        MAXSKIPPED parameters.
        * tapset/logging.stp (error): Don't stp_error, just set context state.
        * stap.1.in, stapfuncs.5.in: Document soft errors.
        * elaborate.h: Corresponding changes.

2005-12-23  Kevin Stafford  <krstaffo@us.ibm.com>

        * tapset/2.6.9-20.ELsmp/syscalls.stp: added kernel
        version tapset
        * tapset/2.6.9-20.ELsmp/i686/syscalls.stp: added kernel
        version arch specific tapset
        * tapset/doc/discrepancies.txt: log of kernel version
        discrepancies.

2005-12-22  Roland McGrath  <roland@redhat.com>

        * configure.ac: Pass LDFLAGS to elfutils configure to force DT_RUNPATH.
        * configure: Regeneraed.

2005-12-21  Josh Stone  <joshua.i.stone@intel.com>

        PR 2056
        * translate.cxx (itervar::next): emit different code for pmaps

2005-12-21  Frank Ch. Eigler  <fche@elastic.org>

        * loc2c.h: Add __attribute__ defeating code for g++ 3.3 compatibility.

2005-12-20  Josh Stone  <joshua.i.stone@intel.com>

        * vim/filetype.vim: defines *.stp files as SystemTap scripts
        * vim/ftplugin/stap.vim: sets the comment styles
        * vim/indent/stap.vim: enables simple auto-indenting
        * vim/syntax/stap.vim: defines syntax highlighting

2005-12-19  Roland McGrath  <roland@redhat.com>

        * configure.ac, systemtap.spec.in: Version 0.5.2.
        * configure: Regenerated.

2005-12-17  Roland McGrath  <roland@redhat.com>

        * staptree.h: #include <cassert> here.

2005-12-14  Kevin Stafford  <krstaffo@us.ibm.com>

        * tapset/2.6.14/syscalls.stp: Added 2.6.14 syscalls to tapset.
        * 2.tapset/6.14/i686/syscalls.stp: Added i386 arch specific syscalls
        to tapset for kernel 2.6.14.
        * tapset/2.6.9-24.ELsmp/syscalls.stp: Added 2.6.9-24.ELsmp syscalls.
        * tapset/2.6.9-24.ELsmp/x86_64/syscalls.stp: Added x86_64 arch
        specific syscalls to tapset for kernel 2.6.9-24.ELsmp.
        * tapset/system_calls.stp: File removed.

2005-12-14  Martin Hunt  <hunt@redhat.com>

        * tapset/system_calls.stp (epoll.ctl): Temporarily remove
        references to $op and $event because gcc 4.0.2 can't
        find them.
        (epoll.wait): Ditto for $maxevents.

2005-12-13  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (var_expanding_copy_visitor::visit_target):
        Transcribe token pointer to synthesized functiondecl.

2005-12-12  Josh Stone  <joshua.i.stone@intel.com>

        * tapset/context.stp
        (execname,pid,tid,ppid,pexecname,gid,egid,uid,euid): Removed
        in_interrupt checks and other pointer checks.  We now operate on
        the assumption that "current" and its related data are always
        valid.
        * tapsets.cxx (profile_derived_probe::*,profile_builder::build):
        Do kernel version checks at translation time, using the same
        internal mechanisms as the preprocessor - a la %( kernel_v <
        "2.6.10" %? ... %: ... %)

2005-12-12  Kevin Stafford  <krstaffo@us.ibm.com>

        * main.cxx (main): Added arch directory to the existing
        kernel-version-sensitive search path.

2005-12-12  Frank Ch. Eigler  <fche@redhat.com>

        * translate.cxx (translate_pass): Emit #include <linux/profile.h>.

2005-12-12  Will Cohen  <wcohen@redhat.com>

        * tapset/logging.stp (function_exit): Make sure systemtap probes
        stop collection additional data.

2005-12-12  Frank Ch. Eigler  <fche@redhat.com>

        Fix parse tree pretty-printer.
        * staptree.h (print_format): Add raw_components field.
        * parse.cxx (parse_symbol): Set it.
        * staptree.cxx (lex_cast_qstring): Copy it here too.
        (binary_expression::print): Add a space around operator, due to
        lexical ambiguity (expr % paren-expr) vs %( preprocessor op.
        (array_in:: foreach_loop:: arrayindex::print): Print base as indexable.
        (print_format::string_to_components): Use parse_error, not semantic.
        (print_format::print): Properly quote formatting string.  Print
        histogram argument.
        * translate.cxx (visit_print_format): Properly quote formatting string.
        (varlock): Reword lock timeout error message.
        * testsuite/buildok/printf.stp: Add some quoting troublemakers.
        * testsuite/parseok/unparser.stp: New file.

2005-12-11  Roland McGrath  <roland@redhat.com>

        * configure.ac: Bump version to 0.5.1 for test builds.
        * systemtap.spec.in: Remove ExclusiveArch.
        * configure: Regenerated.

        PR 1916
        * configure.ac: Grok --with-elfutils.
        * Makefile.am [BUILD_ELFUTILS] (install-elfutils, stamp-elfutils):
        New targets.
        [BUILD_ELFUTILS] (stap_LDFLAGS, stap_LDFLAGS): Add flags
        to point at local elfutils build.
        [BUILD_ELFUTILS] (BUILT_SOURCES): Add stamp-elfutils.
        [BUILD_ELFUTILS] (stap_DEPENDENCIES): New variable.
        [BUILD_ELFUTILS] (lib-elfutils/libdw.so): New target.
        [BUILD_ELFUTILS] (install-exec-local): Depend on install-elfutils.
        (loc2c_test_LDADD): Set this to $(stap_LDADD).
        (loc2c_test_CPPFLAGS, loc2c_test_LDFLAGS): New variables.
        * Makefile.in: Regenerated.
        * compile: New file from automakeland.
        * systemtap.spec.in (elfutils_version): Require 0.118 or later.
        [bundled_elfutils]: Remove old hacks for building elfutils, and rely
        on configure --with-elfutils instead.

        * Makefile.am (pkglibexecdir): New variable.
        (AM_CPPFLAGS): Use it.
        (pkglibexec_PROGRAMS): Set this instead of noinst_PROGRAMS with stpd.
        (pkglibexec_SCRIPTS, CLEANFILES): New variables.
        (install-exec-local): Target removed.
        * runtest.sh: Set LD_LIBRARY_PATH when lib-elfutils is in use.

        * loc2c-test.c (get_location): Fix function name in error message.

2005-12-09  Graydon Hoare  <graydon@redhat.com>

        * elaborate.cxx (alias_expansion_builder::build): Fix comment typo.
        * tapsets.cxx (symbol_cache): New class.
        (dwflpp::cache): Add cache.
        (dwflpp::pattern_limited_cus): New member.
        (dwflpp::pattern_limited_funcs): New member.
        (dwflpp::limit_search_to_function_pattern): New method.
        (dwflpp::iterate_over_cus): Modify to use cached, limited sets.
        (dwflpp::iterate_over_functions): Likewise.
        (dwarf_builder::user_dw): New member.
        (dwarf_builder::kern_dw): New member.
        (dwarf_builder::~dwarf_builder): Add dtor.
        (query_module): Call dwflpp::limit_search_to_function_pattern.
        (dwarf_builder::build): Initialize persistent dwflpp members on demand.

2005-12-08  Graydon Hoare  <graydon@redhat.com>

        * translate.cxx (delete_statement_operand_visitor::visit_arrayindex):
        Prohibit deleting histogram buckets.
        (c_tmpcounter::visit_array_in): Direct to visit_arrayindex.
        (c_unparser::visit_array_in): Likewise.

        * testsuite/buildok/histogram_operator_in.stp: New test.

2005-12-08  Frank Ch. Eigler  <fche@elastic.org>

        PR 1937
        * buildrun.cxx (run_pass): Pass new "-d PID" option to stpd.
        Set SIGHUP to SIG_IGN too.

2005-12-07  Graydon Hoare  <graydon@redhat.com>

        * staptree.cxx (traversing_visitor::visit_foreach_loop): Visit
        the base indexable of the foreach loop.

        * translate.cxx (c_tmpcounter::visit_foreach_loop): Implement
        histogram bucket iteration arm.
        (c_unparser::visit_foreach_loop): Likewise.
        (c_tmpcounter::visit_arrayindex): Fix typo.

        * testsuite/buildok/iterate_histogram_buckets.stp: New test.

2005-12-07  Martin Hunt  <hunt@redhat.com>

        * translate.cxx (mapvar::fini): Use _stp_pmap_del() on pmaps.
        (emit_global): For pmaps, use "PMAP" instead of "MAP".

2005-12-06  Frank Ch. Eigler  <fche@elastic.org>

        PR 1934.
        * tapsets.cxx (resolve_prologue_endings2): Add new heuristic for
        tail-call optimized functions.
        (query_func_info): Make somewhat less verbose.

2005-12-06  Graydon Hoare  <graydon@redhat.com>

        * translate.cxx (visit_print_format): Explicitly Cast int64_t
        (pe_long) args to (long long) in generated code, for portability.

2005-12-05  Frank Ch. Eigler  <fche@elastic.org>

        * *.cxx: Add <cassert> #include as needed.

2005-12-02  Graydon Hoare  <graydon@redhat.com>

        * elaborate.cxx (mutated_var_collector): Forward
        traversal portion of calls to base class.
        (mutated_var_collector::visit_arrayindex): Resolve
        arrayindex-into-histogram expression as pe_long.
        (typeresolution_info::visit_print_format): Traverse
        into histogram if present.

        * parse.cxx (parse_symbol): Handle parse ambiguity surrounding
        print(@hist_op(...)[...]).

        * staptree.cxx (traversing_visitor::visit_arrayindex): Visit
        base member of arrayindex.

        * translate.cxx (c_unparser::histogram_index_check): New method.
        (var::hist): Fix bug.
        (var::buckets): New method.
        (stmt_expr::stmt_expr): Print with newline.
        (c_unparser::load_map_indices): Handle indexing-histogram case.
        (c_tmpcounter::visit_arrayindex): Likewise.
        (c_unparser::visit_arrayindex): Likewise.
        (c_tmpcounter_assignment::visit_arrayindex): Throw error when
        user attempts to write to histogram bucket.
        (c_unparser_assignment::visit_arrayindex): Likewise.

        * testsuite/buildok/print_histogram_entry.stp: New test.

2005-12-02  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Bump version number.
        * stap.1.in: Document some of the new print/stats stuff.
        * configure: Regenerated.
        * systemtap.spec.in: Enable ia64 and ppc builds.

2005-12-01  Frank Ch. Eigler  <fche@elastic.org>

        PR 1944 improved hack.
        * translator.cxx (c_tmpcounter::visit_block): New routine, allows
        overlay of sequential statements' temporaries within context.

2005-12-01  Frank Ch. Eigler  <fche@redhat.com>

        PR 1944 quick hack.
        * translator.cxx (translate_pass): Reduce default MAXNESTING to 10.
        (emit_module_init): Add a paranoid check against oversize contexts.
        * stap.1.in: Document MAXNESTING change.

2005-11-30  Frank Ch. Eigler  <fche@redhat.com>

        PR 1276
        From Josh Stone <joshua.i.stone@intel.com>:
        * tapsets.cxx (profile_derived_probe, profile_builder,
        register_standard_tapsets): Support timer.profile variety.
        * stapprobes.5.in: Document it.
        * testsuite/builok/fourteen.stp: Test its buildability.

2005-11-28  Graydon Hoare  <graydon@redhat.com>

        * translate.cxx (var::assert_hist_compatible): New method.
        (var::hist): New method.
        (c_unparser::load_aggregate): New method.
        (hist_op_downcaster): Remove, it was a mistake.
        (expression_is_hist_op): Likewise.
        (c_tmpcounter::visit_print_format): Implement print(@hist(...)).
        (c_unparser::visit_print_format): Likewise.

        * staptree.h (struct print_format): Add optional hist_op* member.
        * staptree.cxx (traversing_visitor::visit_functioncall): Visit
        hist_op if present in print_format.
        (deep_copy_visitor::visit_print_format): Likewise.

        * parse.cxx (parse_symbol): Special case to consume print(@hist(...)).

        * elaborate.cxx (typeresolution_info::visit_arrayindex): Fix type inference bug.
        (typeresolution_info::visit_foreach_loop): Likewise.

        * testsuite/buildok/print_histograms.stp: New test.

2005-11-28  Frank Ch. Eigler  <fche@redhat.com>

        * translate.cxx (c_tmpcounter_assignment::visit_symbol): Don't
        emit unused temporary into context.  Saves mucho space with strings.

2005-11-27  Roland McGrath  <roland@redhat.com>

        * loc2c.c (location_from_address): Diagnose null FB_ATTR specially.

        * loc2c.c (location_from_address): Fix function name in error message.

2005-11-27  Frank Ch. Eigler  <fche@elastic.org>

        * loc2c.c (location_from_address): Tolerate errors with NULL *input.

2005-11-26  Roland McGrath  <roland@redhat.com>

        PR 1868.
        * loc2c.c (struct location): Move frame_base member out of the union.
        (alloc_location): Initialize it.
        (new_synthetic_loc, translate, location_from_address): Update uses.
        (emit_loc_value): Don't handle frame_base here.
        (c_emit_location): Do it here instead.
        (translate): Track USED_DEREF separately for each piece.
        Use a temporary struct when allocating a new piece, letting
        a pending loc_address piece finish up first.

        * loc2c-test.c (main): Free SCOPES at end.
        (handle_variable): Free POOL at end.

        * loc2c.c (translate): Initialize LOC->address.used_deref at start.

2005-11-25  Frank Ch. Eigler  <fche@elastic.org>

        PR 1336.
        * tapsets.cxx (translate_final_fetch_or_store): Remove apparently
        unnecessary check.
        * testsuite/transok/ten.stp: New test for void* integerification.

2005-11-24  Frank Ch. Eigler  <fche@redhat.com>

        PR 1903
        * parse.cxx (eval_pp_conditional): Support %( arch == "i686" %) form.
        * stap.1.in: Document it.
        * testsuite/parseok/fourteen.stp: Test it.
        * session.h (architecture): New field.
        * main.cxx (main): Initialize it.

2005-11-24  Frank Ch. Eigler  <fche@redhat.com>

        PR 1917
        * translate.cxx (emit_common_header, emit_module_init,
        emit_module_exit): Switch context array to per-cpu kmalloc variant.
        * tapsets (*::emit_probe_entires): Use per_cpu_ptr() for my context.

2005-11-23  Graydon Hoare  <graydon@redhat.com>

        * elaborate.h (get_symbol_within_expression): Make visible.
        * elaborate.cxx (get_symbol_within_expression): Make non-static.
        (stat_decl_collector): New struct.
        (semantic_pass_stats): New semantic pass.
        (semantic_pass): Call it.
        (semantic_pass_symbols): Remove collection of statistic_decls from files.
        (visit_stat_op): Only fail if inferred type is not pe_long.

        * parse.cxx (parser::parse): Don't pass per-file statistic_decl
        into parse_global.
        (parser::parse_global): Don't parse global statistic_decls,
        they're obsolete.
        * parse.hh (parser::parse_global): Adjust signature to match.

        * session.h (statistic_decl::operator==): New method.

        * staptree.h (print_format::is_empty): New method.
        (stapfile::stat_decls): Remove field.
        * staptree.cxx (string_to_components): Fix bugs in format-string
        parser.

        * translate.cxx (var): Make private fields protected.
        (var::init): Support HIST_NONE stats.
        (aggvar): New struct.
        (mapvar::is_parallel): New method.
        (mapvar::call_prefix): Use it.
        (mapvar::calculate_aggregate): New method.
        (mapvar::fetch_existing_aggregate): New method.
        (mapvar::get): Support pe_stats.
        (mapvar::init): Use is_parallel(), and support HIST_NONE.
        (itervar::itervar): Only fault on pe_unknown.
        (itervar::start): Use mapvar::is_parallel and
        mapvar::fetch_existing_aggregate.
        (emit_map_type_instantiations): Include alloc.c before pmap-gen.c.
        Include pmap-gen.c for pe_stats maps.
        (c_unparser::gensym_aggregate): New method.
        (c_unparser::visit_foreach_loop): Handle mapvar::is_parallel case.
        (arrayindex_downcaster): New struct.
        (expression_is_arrayindex): New function.
        (c_tmpcounter::visit_stat_op): New method.
        (c_unparser::visit_stat_op): Implement.
        (c_unparser::visit_hist_op): Add commentary, still not implemented.

        * testsuite/buildok/stat_{insert,extract}.stp: New tests.
        * testsuite/semok/ten.stp: Correct for changes to global declarations.
        * testsuite/semko/*.stp: Likewise.

2005-11-21  Roland McGrath  <roland@redhat.com>

        * loc2c.c (c_translate_location): Take Dwarf_Op vector as argument
        directly, not Dwarf_Attribute.
        * loc2c.h: Update decl.
        * loc2c-test.c (get_location): New function.
        (handle_variable): Use it.
        * tapsets.cxx (dwflpp::translate_location): New method.
        (dwflpp::translate_components, dwflpp::literal_stmt_for_local): Use it.

2005-11-21  Frank Ch. Eigler  <fche@elastic.org>

        PR 1276
        From Josh Stone <joshua.i.stone@intel.com>:
        * tapsets.cxx (timer_derived_probe, timer_builder,
        register_standard_tapsets): Support timer.ms() variety.
        * stapprobes.5.in: Document it.
        * testsuite/builok/fourteen.stp: Test its buildability.

2005-11-18  Martin Hunt  <hunt@redhat.com>

        PR 1837
        * testsuite/buildko/one.stp: Replace printk.
        * testsuite/buildok/one.stp: Ditto.
        * testsuite/buildok/two.stp: Ditto.
        * testsuite/semko/fifteen.stp: Ditto.
        * testsuite/semko/fourteen.stp: Ditto.
        * testsuite/semko/thirteen.stp: Ditto.
        * testsuite/transok/eight.stp: Ditto.
        * testsuite/transok/seven.stp: Ditto.
        * testsuite/transok/six.stp: Ditto.

        * tapsets.cxx (*::emit_probe_entries): Replace printk() calls
        with _stp_warn().

        * stap.1.in: Replace printk with printf in example.

        * stapfuncs.5.in: Remove docs for printk and add for
        print and printf.

        * tapset/logging.stp (printk): Deleted.

2005-11-13  Graydon Hoare  <graydon@redhat.com>

        * staptree.h (struct indexable): New struct.
        (classify_indexable): New function.
        (classify_const_indexable): New function.
        (struct symbol): Implement indexable.
        (struct arrayindex): Take indexable as base.
        (struct foreach_loop): Take indexable as base.
        (struct print_format): New struct.
        (enum stat_component_type): New enum.
        (struct stat_op): New struct.
        (enum historgram_type): New enum.
        (struct hist_op): New struct.
        (struct visitor)
        (struct traversing_visitor)
        (struct throwing_visitor)
        (struct deep_copy_visitor): Add new visitor methods.
        (require): Specialize for indexable*.

        * staptree.cxx (print_format::*)
        (stat_op::*)
        (hist_op::*)
        (indexable::*)
        (traversing_visitor::*)
        (throwing_visitor::*)
        (deep_copy_visitor::*)
        (classify_indexable)
        (classify_const_indexable): Implement
        (deep_copy_visitor::*): Update to use indexables.

        * parse.h (parser::parse_indexable): New method.
        (parser::parse_hist_op_or_bare_name): New method.

        * parse.cxx (lexer::scan): Accept @ in identifiers.
        (parser::parse_array_in)
        (parser::parse_foreach_loop): Call parse_indexable.
        (parser::parse_hist_op_or_bare_name): Implement.
        (parser::parse_indexable): Implement.
        (parser::parse_symbol): Accept printf, stat_ops, hist_ops.

        * elaborate.h (struct typeresolution_info): Add methods for
        visiting print_format, stat_op, hist_op.

        * elaborate.cxx (symbol_fetcher): New class.
        (get_symbol_within_expression): New function.
        (get_symbol_within_indexable): New function.
        (mutated_var_collector): Replace mutated_map_collector.
        (no_var_mutation_during_iteration_check): Replace
        no_map_mutation_during_iteration_check.
        (semantic_pass_vars): Replace semantic_pass_maps.
        (semantic_pass): Update call accordingly.
        (symresolution_info::*) Add new visitors, teach about indexables
        (typeresolution_info::*) Likewise.

        * translate.cxx
        (c_unparser::getiter): Take symbol, not foreach_loop.
        (c_unparser::*) Add new visitors, teach about indexables.
        (c_tmpcounter::*)
        (delete_statement_operand_visitor::visit_arrayindex)
        (c_tmpcounter_assignment::*)
        (c_unparser_assignment::*): Likewise.
        (hist_op_downcaster): New struct.
        (expression_is_hist_op): New function.

        * testsuite/buildok/printf.stp: New test for print_format.

2005-11-10  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (c_unparser::visit_array_in, visit_arrayindex):
        Finish adapting to PR 1275 by switching back to read locks.

2005-11-09  Martin Hunt  <hunt@redhat.com>

        * translate.cxx: New API uses HIST_LOG and HIST_LINEAR
        instead of HSTAT_LOG and HSTAT_LINEAR.

2005-11-09  Frank Ch. Eigler  <fche@elastic.org>

        Reported by Guang Lei Li <liguangl@cn.ibm.com>:
        * tapset/context.stp (pid,ppid,tid): Correctly pick tgid vs pid.
        * testsuite/buildok/context_test.stp: Print out tid() too.

2005-11-08  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (blacklisted_p): Tolerate NULL filename parameter.
        * src/testsuite/semok/twenty.stp: New test to enumerate everything
        dwarfly probeable.

2005-11-08  Frank Ch. Eigler  <fche@redhat.com>

        * translate.cxx (c_unparser::visit_foreach_loop): With PR 1275
        done, add back read lock around foreach loop.  Add a write lock
        around preceding sort operation.  Leave a race condition window. :-(

2005-11-08  Frank Ch. Eigler  <fche@redhat.com>

        * translate.cxx (mapvar::exists): Correct some more.

2005-11-08  Frank Ch. Eigler  <fche@redhat.com>

        Patch from "Mao, Bibo" <bibo.mao@intel.com>
        * translate.cxx (mapvar::exists): Correct 64-bit type mismatch.

2005-11-08  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (blacklisted_p): Add blacklist for some .return
        probes to kludge around bug #1345.
        * tapset/system_calls.stp: Add some %( %? %) conditionals to
        get closer to using tapset on 2.6.9 kernel.

2005-11-07  Frank Ch. Eigler  <fche@redhat.com>

        PR 1828.
        * tapsets.cxx (blacklisted_p): New function.  Add a few blacklist
        entries.
        * testsuite/semko/thirtythree.stp: New test.

2005-11-07  Frank Ch. Eigler  <fche@redhat.com>

        * testsuite/buildok/twentytwo.stp: Add another test for PR 1271.

2005-11-04  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (dwarf_derived_probe::emit_registrations): Add
        possible kprobe address prechecking logic.  Set kretprobes
        maxactive to zero.
        * translate.cxx (emit_module_init): Set a more helpful default
        probe_point value for use in registration errors.  Exit properly
        after registration failure of probe #0.

2005-11-04  Roland McGrath  <roland@redhat.com>

        * tapsets.cxx (add_probe_point): Use dwfl_module_relocation_info to
        get symbol name when dwfl_module_relocations has the info.

2005-11-03  Roland McGrath  <roland@redhat.com>

        * tapsets.cxx (add_probe_point): Use explicit test with assignment in
        while condition.

2005-11-03  Frank Ch. Eigler  <fche@elastic.org>

        PR 1329.
        * tapsets.cxx (dwarf_query::add_probe_point): Look up section name
        containing given address.  Skip request if it came from .init.*.
        * testsuite/semko/thirtytwo.stp: New test.

2005-11-02  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (EXTRA_DIST): Add session.h.
        * Makefile.in: Regenerated.

2005-11-01  Frank Ch. Eigler  <fche@elastic.org>

        Sound advice from <drepper@redhat.com>:
        * configure.ac: Undo last change.
        * configure.ac: Unregenerated.
        * parse.cxx: Use glibc strverscmp function instead of rpmlib.
        * stap.1.in: Update correspondingly.

2005-11-01  Graydon Hoare  <graydon@redhat.com>

        * translate.cxx (c_unparser::collect_map_index_types)
        (c_unparser::emit_map_type_instantiations)
        (c_unparser::visit_arrayindex)
        (c_unparser::visit_array_in)
        (delete_statement_operand_visitor::visit_arrayindex)
        (c_unparser_assignment::visit_arrayindex)
        (mapvar::*): Update to new runtime map API.

2005-11-01  Frank Ch. Eigler  <fche@elastic.org>

        PR 1425.
        * configure.ac: Look for rpm-devel headers and libs.
        * configure: Regenerated.
        * session.h: New file to contain systemtap_session decl.
        * staptree.h: Likewise evict statistics_decl.
        * elaborate.h: Corresponding changes.
        * main.cxx (usage): Elaborate.  Re-enable "-r RELEASE" option.
        * parse.cxx (parser): Add systemtap_session& field.  Update users.
        (scan_pp, eval_pp_conditional): New routines for preprocessing.
        (peek, next): Call it.
        (lexer::scan): Lex the preprocessor operators.
        (parser::parse): Include an extra level of exception catching
        for parse errors that occur during recovery.
        * parse.h: Corresponding changes.
        (parse_error): Allow explicit token parameter.
        * stap.1.in: Document preprocessing.
        * testsuite/parseok/fourteen.stp: New test.

2005-10-31  Roland McGrath  <roland@redhat.com>

        * systemtap.spec.in, configure.ac: Version 0.4.2 cooked.
        * configure: Regenerated.

        * configure.ac: Update libdw test to require 0.116 with dwarf_diecu.
        * configure: Regenerated.
        * systemtap.spec.in: Update elfutils requirement to 0.116.
        * loc2c.c: Dwarf_Loc -> Dwarf_Op.
        (location_from_address): dwarf_addrloclists -> dwarf_getlocation_addr.
        (c_translate_location): Likewise.
        (max_fetch_size): Remove fakeo dwarf_diecu macro.
        * tapsets.cxx (dwflpp): Dwarf_Func -> Dwarf_Die;
        dwarf_func_name -> dwarf_diename;
        dwarf_func_entrypc -> dwarf_entrypc;
        dwarf_func_file, dwarf_func_line -> dwarf_decl_file, dwarf_decl_line.

2005-10-26  Roland McGrath  <roland@redhat.com>

        * loc2c.c (max_fetch_size): Default to host pointer size,
        while still waiting for new libdw entrypoint.

2005-10-25  Roland McGrath  <roland@redhat.com>

        PR 1271 cont'd.
        * testsuite/buildok/twentytwo.stp: New file.
        * testsuite/buildok/twentythree.stp: New file.
        * loc2c.c (discontiguify): Add missing ; in output.

2005-10-20  Graydon Hoare  <graydon@redhat.com>

        PR 917 (incomplete)
        * staptree.h (struct statistic_decl): New struct.
        (stapfile::stat_decls): New member.

        * parse.h, parse.cxx
        (parser::expect_known): Fix typo.
        (parser::expect_number): New method.
        (parser::parse_global): Parse global statistic_decls.

        * elaborate.h (systemtap_session::stat_decls): New member.
        * elaborate.cxx (semantic_pass_symbols): Copy per-file stat_decls
        to session-wide.
        (typeresolution_info::visit_assignment): Detect some semantic stats
        errors in type resolution pass.

        * translate.cxx (var::sd): New private member.
        (var::var): Initialize it.
        (var::sdecl): New accessor.
        (var::init): Handle stats values.
        (mapvar::mapvar): Pass through statistic_decl to var ctor.
        (mapvar::get): Test for long explicitly.
        (mapvar::set): Likewise.
        (mapvar::init): Handle stats values.
        (c_unparser::emit_common_header): Remove typedef of stats_t,
        include stat.c when necessary.
        (mapvar::key_typename): Typo.
        (c_unparser::emit_map_type_instantiations): Thinko: value_typename not key_typename.
        (c_unparser::c_typename): Implementation typename is "Stat", not "stats_t".
        (c_unparser::c_assign): Fix bad error message.
        (c_unparser_assignment::c_assignop): Handle operator <<<.
        (c_unparser::getvar): Feed session statistic_decl into var.
        (c_unparser::getmap): Likewise.
        (c_unparser::visit_assignment): Handle operator <<<.
        (c_tmpcounter_assignment::visit_symbol): Derive type from rvalue when present.
        (c_unparser_assignment::visit_symbol)
        (c_tmpcounter_assignment::visit_arrayindex)
        (c_unparser_assignment::load_map_indices): Likewise.
        (c_unparser::visit_arrayindex): Likewise, and Prohibit statistic rvalues.
        (c_unparser_assignment::visit_arrayindex): Handle operator <<<.

        * testsuite/semko/twentyfour.stp:
        * testsuite/semko/twentyfive.stp:
        * testsuite/semko/twentysix.stp:
        * testsuite/semko/twentyseven.stp:
        * testsuite/semko/twentyeight.stp:
        * testsuite/semko/twentynine.stp:
        * testsuite/semko/thirty.stp:
        * testsuite/semko/thirtyone.stp: New tests for prohibited statistic contexts.
        * testsuite/buildok/twentytwo.stp: New test for legal statistic contexts.

2005-10-19  Tom Zanussi  <zanussi@us.ibm.com>

        PR 1194.
        * elaborate.h: Move output_file variable into systemtap_session.
        * buildrun.cxx (run_pass): Pass output file to stpd if applicable.
        * main.cxx (main): Set output_file if -o option specified.

2005-10-18  Frank Ch. Eigler  <fche@redhat.com>

        PR 1477.
        * main.cxx (main): Set PATH and LC_ALL, so
        * buildrun.cxx (compile_pass, run_pass): ... and ...
        * translate.cxx (emit_symbol_data): ... don't have to.

2005-10-18  Frank Ch. Eigler  <fche@elastic.org>

        PR 1482 cont'd.
        * translator.cxx (emit_module_init): Set aside a variable for
        detailed probe point id.
        * tapsets.cxx (emit_registrations): Use it.
        (add_probe_point): Correct synthesized probe-point typo.

2005-10-17  Martin Hunt  <hunt@redhat.com>

        PR 1482
        * tapsets.cxx (emit_registrations): On failure, don't
        forget to unregister probe 0;

2005-10-17  Frank Ch. Eigler  <fche@elastic.org>

        PR 1338.
        * parse.cx (parse_probe): Unconditionally visit parse_probe_point.
        (parse_probe_point): Accept "*" as component name.
        * stapprobes.5.in: Document this.
        * elaborate.cxx (derive_probes): Rewrite.  Make top-level function.
        (match_node::find_and_build): New function to replace
        (find_builder): Removed.
        (match_key operator <): Correct one nasty typo.
        (match_node::bind): Refuse to bind "*" component names.
        (derived_probe_builder::build): Remove recursion output param.
        (alias_expandion_builder::build): Recurse to derive_probes instead.
        * elaborate.h: Corresponding changes.
        * tapsets.cxx: Ditto.
        (query_cu): Elide prologue finding for uninteresting CUs.
        * testsuite/semok/nineteen.stp: New test.
        * testsuite/semko/twentythree.stp: New test.
        * testsuite/semko/twentyone/two.stp: Fix -p2.

2005-10-17  Graydon Hoare  <graydon@redhat.com>

        * testsuite/semko/twentyone.stp: Check function doesn't match inline.

        * testsuite/semko/twentytwo.stp: Check inline doesn't match function.

        * testsuite/buildok/six.stp: Change "function" to "inline".

        * stapprobes.5.in: Describe "inline" probes.

        * tapsets.cxx (TOK_INLINE): New token "inline".
        (dwarf_query::has_inline_str)
        (dwarf_query::has_inline_num)
        (dwarf_query::inline_str_val)
        (dwarf_query::inline_num_val): New members.
        (dwarf_query::dwarf_query): Load new members.
        (query_dwarf_inline_instance)
        (query_dwarf_func)
        (query_cu)
        (query_module)
        (dwarf_derived_probe::add_probe_point)
        (dwarf_builder::build):
        Use inline-related members where appropriate.
        (dwarf_derived_probe::register_inline_variants): New method.
        (dwarf_derived_probe::register_function_and_statement_variants):
        Call it.

2005-10-14  Roland McGrath  <roland@redhat.com>

        PR 1271.
        * loc2c.c (translate): Set LOC->byte_size in loc_noncontiguous result.
        (struct location.address): New member `declare'.
        (new_synthetic_loc, translate): Initialize it.
        (struct location.type): Add loc_fragment, loc_decl to enum.
        (c_emit_location): Emit unadorned code for loc_fragment.
        (discontiguify): New function.
        (c_translate_fetch, c_translate_store): Call it.
        (get_bitfield): New function, broken out of ....
        (emit_bitfield): ... here.  Function removed.
        (declare_noncontig_union): New function.
        (max_fetch_size): New function.
        (translate_base_fetch): New function, broken out of ...
        (c_translate_fetch): ... here.  Call it.
        Use get_bitfield here, not emit_bitfield.
        (c_translate_store): Likewise.
        (c_emit_location): Emit declarations first.

        * loc2c.c (dwarf_diename_integrate): Function removed.
        Change all callers to use dwarf_diename.

        * loc2c-test.c (handle_variable): Check for "=" before fetching DIE
        from ATTR_MEM.

2005-10-13  Roland McGrath  <roland@redhat.com>

        * loc2c.c (c_emit_location): Use final location's used_deref flag too.

        * loc2c.c (translate): Pass LOC to alloc_location, not INPUT.

        * loc2c-test.c (fail): Print a newline after the error message.

2005-10-10  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (match_node::bind): Improve error message.
        (register_library_aliases): Catch and verbosify error message.
        (semantic_pass): Provide a back-up exception catcher.

2005-10-10  Frank Ch. Eigler  <fche@elastic.org>

        PR 1456.
        * translate.cxx (c_unparser_assignment): Rename "pre" field to "post",
        add blurb to clarify polarity.
        (visit_pre/post_crement): Flip passed flag value.

2005-10-07  Frank Ch. Eigler  <fche@elastic.org>

        PR 1366.
        * staptree.h (foreach_loop): Add sort_column, sort_direction fields.
        * parse.cxx (parse_foreach_loop): Parse "+"/"-" suffix operators.
        * stap.1.in, stapex.5.in: Document them.
        * staptree.cxx (foreach_loop print, copy): Propagate them.
        * translate.cxx (visit_foreach_loop): Support them.
        * testsuite/parseok/fifteen.stp, parseko/thirteen.stp,
        buildok/twentyone.stp: Test them.

2005-10-07  Kevin Stafford  <kevinrs@us.ibm.com>

        * tapset/system_calls.stp: All 281 syscalls *prototyped*. They
        are still untested. Many of the aliases useability are contin-
        gent upon resolution of namely: bz #1295 & bz #1382.

2005-10-06  Frank Ch. Eigler  <fche@elastic.org>

        * stap.1.in: Document -b/-s options.
        * main.cxx (usage): Clarify -b/-s blurbs.
        * translator.cxx (translate_pass): Handle bulk_mode here instead.

2005-10-06  Frank Ch. Eigler  <fche@elastic.org>

        PR 1332.
        * translate.cxx (emit_symbol_data): New function to transcribe
        a processed address->symbol lookup table, based upon /proc/kallsyms.

2005-10-05  Tom Zanussi  <zanussi@us.ibm.com>

        * buildrun.cxx (run_pass): Add bulk/buffer_size flags to flags
        passed to stpd.
        * elaborate.h (systemtap_session): Add bulk/buffer_size flags.
        * main.cxx (usage,main): Add -b (bulk), -s (buffer_size) options.
        processing.

2005-10-04  Graydon Hoare  <graydon@redhat.com>

        PR 1131.
        * tapsets.cxx
        (target_variable_flavour_calculating_visitor::visit_target_symbol)
        (var_expanding_copy_visitor::visit_target_symbol):
        Require guru mode for writing to target vars.
        * testsuite/buildok/twenty.stp: Test writing to target vars.

2005-10-01  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (get_module_dwarf): Add "required" parameter, which
        throws an exception if debuginfo is not found.
        (focus_on_module_containing_global_address): Tolerate miss.
        (query_kernel_exists): New function to test for "kernel" module in
        dwfl_getmodules() result set.
        (dwarf_builder::build): Call it if appropriate.

2005-09-30  Graydon Hoare  <graydon@redhat.com>

        PR 1131.
        * tapsets.cxx (dwflpp::find_variable_and_frame_base)
        (dwflpp::translate_components)
        (dwflpp::resolve_unqualified_inner_typedie)
        (dwflpp::translate_final_fetch_or_store): New functions.
        (dwflpp::literal_stmt_for_local): Factor a bit.
        (variable_flavour_calculating_visitor::visit_target_symbol):
        Don't fault on lvalue, just collect an extra char.
        (var_expanding_copy_visitor::target_symbol_setter_functioncalls):
        New member.
        (var_expanding_copy_visitor::visit_assignment): New method.
        (var_expanding_copy_visitor::visit_target_symbol): Permit lvalues.

2005-09-30  Frank Ch. Eigler  <fche@elastic.org>

        * tapset/system_calls.stp (*_str): Simplified boolean test logic
        throughout, fixed some typos.

2005-09-28  Frank Ch. Eigler  <fche@elastic.org>

        PR 1182.
        * main.cxx (main): Support -D macro-setting option.
        * stap.1.in: Document it and related macros.
        * buildrun.cxx (compile_pass): Emit macro definitions.
        * translate.cxx (translate_pass): Guard limit macros with #ifdef.
        Eliminate MAXCONCURRENCY macro.
        * elaborate.h (systemtap_session): Add "macros" field.
        * parse.cxx (parse_if_statement): Clear "elseblock" if needed.

2005-09-27  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (query_cu_containing_global_address): Tolerate
        way out of range addresses that result in null cudie pointers.

2005-09-27  Frank Ch. Eigler  <fche@elastic.org>

        PR 1368.
        * translate.cxx (emit_common_header): Move some MAX* definitions out ...
        (translate_pass): ... to here.  Fix probe_start API impedance mismatch.
        (emit_module_init, exit): Tolerate registration errors, such as absence
        of kretprobes support.

2005-09-27  Frank Ch. Eigler  <fche@elastic.org>

        PR 1311.
        * tapsets.cxx (target_variable_flavour_calculating_visitor::
        visit_target_symbol): Print verbose error.
        (var_expanding_copy_visitor::visit_target_symbol): Throw
        simple error.

2005-09-26  Frank Ch. Eigler  <fche@elastic.org>

        * stapfuncs.5.in: Extend errno_str verbiage.
        * tapset/errno.stp: Canonicalize script code slightly.

2005-09-26  Frank Ch. Eigler  <fche@elastic.org>

        PR 1295.
        * tapsets.cxx (resolve_prologue_endings2): Try another heuristic
        for end-of-prologue.

2005-09-22  Graydon Hoare  <graydon@redhat.com>,
        Frank Ch. Eigler  <fche@elastic.org>

        PR 1330.
        * tapsets.cxx (dwarf_derived_probe): Allow multiple probe_point
        locations per derived_probe.
        (dwarf_query): Add probe "flavour" concept, to reuse probe bodies for
        identical flavours across wildcards.
        (dwarf::emit_registrations, emit_deregistrations, emit_probe_entries):
        Reorganize.
        * staptree (probe::printsig): Put multiple locations on separate lines.

2005-09-22  Will Cohen  <wcohen@redhat.com>

        * stap.1.in: Correct sys_read alias example.

2005-09-19  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (*::emit_probe_entries): Handle busy-count correctly
        upon contention.

2005-09-14  Graydon Hoare  <graydon@redhat.com>

        PR 1260
        * tapsets.cxx (dwflpp::resolve_prologue_endings): Correct logic
        error triggered by consecutive function-beginning line records.

2005-09-14  Frank Ch. Eigler  <fche@elastic.org>

        PR 1344
        * translate.cxx: Call _stp_map_clear for "delete ARRAY" statement.

2005-09-14  Roland McGrath  <roland@redhat.com>

        * systemtap.spec.in: Version 0.4.1 cooked.
        Build runpath into elfutils libs too.

2005-09-14  Frank Ch. Eigler  <fche@elastic.org>

        PR 1257
        * Makefile.am (AM_CFLAGS): Add -fexceptions.
        * loc2c.c (c_translate_location): Invoke *fail properly.
        * Makefile.in: Regenerated.

2005-09-13  Graydon Hoare  <graydon@redhat.com>

        PR 1260
        * tapsets.cxx (func_info::func_info): Initialize fields.
        (inline_instance_info::inline_instance_info): Likewise.
        (query_inline_instance_info): Add try-catch block.
        (query_func_info): Likewise, and fault when missing prologue-end.
        (query_dwarf_func): Fault when missing entrypc.

2005-09-12  Frank Ch. Eigler  <fche@elastic.org>

        PR 1335
        * translate.cxx (c_tmpcounter::visit_functioncall): Correct
        recursion sequence.
        * testsuite/buildok/nineteen.stp: New test case.

2005-09-12  Graydon Hoare  <graydon@redhat.com>

        PR 1306
        * tapsets.cxx (dwflpp::iterate_over_srcfile_lines): Fix two
        off-by-one errors in previous change.

2005-09-12  Graydon Hoare  <graydon@redhat.com>

        PR 1306
        * tapsets.cxx (dwflpp::has_single_line_record): New function.
        (dwflpp::iterate_over_srcfile_lines): Throw when user requests
        single statement line with multiple records (and provide advice).
        (query_cu): Adjust call to match.
        (query_srcfile_line): Fix indentation.

2005-09-10  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am, runtest.sh: Use a "testresuilt/" directory in build
        tree rather than overloading "testsuite/".
        * TODO: Removed obsoleted file.
        * Makefile.in: Regenerated.

2005-09-07  Martin Hunt  <hunt@redhat.com>

        * stap.1.in: Document current "-c" and "-x" options.

2005-09-07  Frank Ch. Eigler  <fche@elastic.org>

        * systemtap.spec.in: Remove kernel-debuginfo dependency.

2005-09-07  Frank Ch. Eigler  <fche@redhat.com>

        * main.cxx (main): Choose getpid()-based module names.
        * tapsets.cxx: Make timer.jiffies' use of task_pt_regs __i386__-only.

2005-09-07  Frank Ch. Eigler  <fche@redhat.com>

        * stap.1.in: Oops, && and || do short-circuit.

2005-09-06  Frank Ch. Eigler  <fche@elastic.org>

        * stap.1.in: Clarify absence of short-circuiting in && and ||.
        * translate.cxx (emit_function): Improve "array locals" message.
        * tapset/timestamp.stp: Add gettimeofday_us function.  Correct
        arithmetic typing in other functions.
        * stapfuncs.5.in: Document new function.

2005-09-06  Martin Hunt  <hunt@redhat.com>

        * systemtap.spec.in: Bump elfutils_version to .115.

2005-09-05  Roland McGrath  <roland@redhat.com>

        * loc2c.h: Comment fix.

2005-09-06  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Require elfutils 0.115+.
        * tapsets.cxx: Restore graydon's PR 1244 code.
        * testsuite/buildok/eighteen.stp: Correct typing.
        * configure: Regenerated.

2005-09-06  Martin Hunt  <hunt@redhat.com>

        * tapset/context.stp: Add function target().
        * stapfuncs.5.in (target): Document it.
        * elaborate.h (struct systemtap_session): Add cmd and target_pid to
        the struct.
        * main.cxx (usage): Add descriptions of "-c" and "-x" options.
        (main): Set s.cmd and s.target_pid.
        * buildrun.cxx (stringify): Copy this utility func here too.
        (run_pass): Add new options to set cmd and pid to the stpd
        command line.

2005-09-06  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (emit_probe_entries): Disable fault_handler for now.

2005-09-05  Frank Ch. Eigler  <fche@elastic.org>

        PR 1289
        * translate.cxx (lex_cast_qstring): Correct "cast" of object
        to string containing more than one word.
        * tapset.cxx (lex_cast_qstring): Ditto.
        (dwarf_derived_module::emit_probe_entries): Emit and use
        a generic fault_handler.

2005-09-05  Frank Ch. Eigler  <fche@elastic.org>

        PR 1172.
        * staptree.h, staptree.cxx: Make all ::print*(), operator<<
        functions take const staptree objects.
        (literal_string::print): \-prefix double-quotes.
        * translate.cxx (emit_common_header): Add context probe_point field.
        Switch to atomic_t busy flags.
        (emit_module_exit): Use atomic operations for busy flag.
        (visit_*): Use lex_cast_qstring for last_stmt strings.
        * tapsets.cxx (lex_cast_qstring): New function.
        (*::emit_probe_entries): Populate probe_point.  Use atomic operations
        for busy flag.
        * tapset/context.stp (pp): New function.
        * stapfuncs.5.in: Document it.
        * testsuite/buildok/context_test.stp: Test it.

2005-09-04  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (visit_literal_string): \-prefix double-quotes.

2005-09-04  Martin Hunt  <hunt@redhat.com>

        * testsuite/buildok/context_test.stp: New test.
        * tapset/logging.stp (log): Call _stp_printf().
        * stapfuncs.5.in: Add contextinfo funcs.
        * tapset/context.stp: Minor cleanup.

2005-09-03  Frank Ch. Eigler  <fche@elastic.org>

        PR 1187 prime
        * tapset.cxx (literal_stmt_for_local): Don't automgaically copy
        target char*'s to systemtap strings.
        * tapset/conversions.stp (user_string, kernel_string): New functions.
        * stapfuncs.5.in: Document new functions.

2005-09-03  Frank Ch. Eigler  <fche@elastic.org>

        PR 1292, by popular request.
        * parse.cxx (parse_functiondecl): Allow optional value/param type
        declarations.
        * stap.1.in: Document this.
        * tapset/*.stp: Convert most functions accordingly.
        * testsuite/parseok/twelve.stp, semok/seven.stp,
        semko/twenty.stp: Test this.

2005-09-02  Frank Ch. Eigler  <fche@redhat.com>

        * translate.cxx (varlock): Use trylock only for write locks.
        (translate_pass): Remove read_trylock macro hack.
        (visit_foreach_loop): Remove protective read lock, until PR 1275.
        (visit_*): Added many more "last_stmt"-setting expressions in the
        output, to improve last_error message locality.

2005-09-02  Martin Hunt  <hunt@redhat.com>

        * tapset/logging.stp: Make log() be same as print().

2005-09-02  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx: Temporarily rolled back graydon's changes.

2005-09-02  Frank Ch. Eigler  <fche@elastic.org>

        * tapset/*.stp: Renamed several files to simplify names.

2005-09-01  Graydon Hoare  <graydon@redhat.com>

        PR systemtap/1244
        * testsuite/buildok/eighteen.stp: New test.
        * tapsets.cxx (dwflpp::literal_stmt_for_local)
        (query_statement, query_inline_instance_info)
        (query_func_info, query_srcfile_line, query_cu)
        (var_expanding_copy_visitor, visit_target_symbol)
        (dwarf_derived_probe): Fix 1244.

2005-09-01  Martin Hunt  <hunt@redhat.com>

        * tapset/builtin_logging.stp: Add print.

        * tapset/context.stp: New file. First cut at some
        context info.

2005-09-01  Martin Hunt  <hunt@redhat.com>

        * translate.cxx (emit_probe): Add a call to _stp_print_flush
        at the end of each probe.
        (translate_pass): Define STP_NUM_STRINGS to be 1 for
        a scratch string. Include current.c and stack.c. Don't
        define KALLSYMS_LOOKUP_NAME or KALLSYMS_LOOKUP. Remove
        references to next_fmt() and stp_dbug().

2005-08-31  Graydon Hoare  <graydon@redhat.com>

        PR systemtap/1258
        * tapsets.cxx (dwflpp::literal_stmt_for_local):
        Support DW_TAG_enumeration_type tag as synonymous with
        DW_TAG_base_type.
        * loc2c.c (base_byte_size): Likewise.
        * testsuite/buildok/seven.stp: Adjust to work on UP kernels.

2005-08-31  Graydon Hoare  <graydon@redhat.com>

        * tapsets.cxx (dwflpp::iterate_over_srcfile_lines): Correct segv
        reported in PR 1270.

2005-08-31  Frank Ch. Eigler  <fche@redhat.com>

        * translate.cxx (visit_array_in, visit_arrayindex): Use write locks
        even for array reads, until PR 1275.
        (translate_pass): Add read_trylock -> write_trylock escalation.

2005-08-30  Roland McGrath  <roland@redhat.com>

        * Makefile.am (install-data-local): Use mkdir -p, not -mkdir.
        * Makefile.in: Regenerated.

2005-08-30  Graydon Hoare  <graydon@redhat.com>

        * tapsets.cxx (dwflpp::literal_stmt_for_local): Handle dwarf
        pointer-to-1-byte-means-char case (found in PR 1187)
        * parse.cxx (parse_symbol): Eliminate use of "." from target
        symbol parser, conflicting with string concatenation operator.
        * staptree.h (target_symbol::component_type) Eliminate
        comp_struct_pointer_member, since . and -> are considered the
        same now.
        * staptree.cxx (target_symbol::print): Likewise.
        * testsuite/buildok/seventeen.stp: Test solution on PR 1191.
        * testsuite/buildok/six.stp: Test working portion of PR 1155.
        * testsuite/semko/nineteen.stp: Unresolved portion of PR 1155.

2005-08-30  Frank Ch. Eigler  <fche@elastic.org>

        PR systemtap/1268
        * translator (varlock): Add deadlock detection code.
        (emit_common_header): Add a new MAXTRYLOCK configuration macro.

2005-08-29  Graydon Hoare  <graydon@redhat.com>

        PR translator/1265
        * tapsets.cxx
        (func_info::decl_file)
        (func_info::decl_line)
        (inline_instance_info::decl_file)
        (inline_instance_info::decl_line): New fields.
        (dwflpp::function_srcfile): Remove.
        (dwflpp::function_file): Add.
        (dwflpp::function_line): Add.
        (dwarf_derived_probe::dwarf_derived_probe): Update.
        (query_statement): Pass func, file, line through.
        (query_inline_instance_info): Likewise.
        (query_func_info): Likewise.
        (query_srcfile_line): Query statement lines if
        statement_str exists, rather than *_info.
        (query_dwarf_inline_instance): Extract file and line.
        (query_dwarf_func): Likewise.
        (query_cu): Pass empty func, file, line, for address-based
        queries.

2005-08-29  Frank Ch. Eigler  <fche@redhat.com>

        * runtest.sh: Tolerate relative $SRCDIR.

2005-08-29  Frank Ch. Eigler  <fche@redhat.com>

        * stapprobes.5.in, stapfuncs.5.in, stapex.5.in: New man pages.
        * stap.1.in: Moved some content out.
        * Makefile.am (man_MANS): Add new man pages.
        * configure.ac (AC_CONFIG_FILES): Add them.
        * systemtap.spec.in: Package them.
        * Makefile.in, configure: Regenerated.
        * buildrun.cxx (run_pass): Pass "-r" to stpd.
        * translate.cxx (emit_common_header): Wrap try/catch around
        variable decls, to improve exception particularity.
        (visit_literal_number): Emit as unsigned literal, which is
        actually a subtle correctness issue.

2005-08-28  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (visit_target): Make target variable exceptions
        more informative.
        (literal_stmt_for_local): Improve bad-type exception message.
        * translate.cxx (emit_module_init): Include probe point in comments.

2005-08-27  Roland McGrath  <roland@redhat.com>

        * loc2c-test.c (print_type): New function.
        (print_vars): Use it.

        * loc2c-test.c (paddr, print_vars): New functions.
        (main): If given no variable name argument, print out variables.

2005-08-26  Graydon Hoare  <graydon@redhat.com>

        * translate.cxx: Revert tmp initialization changes.

2005-08-26  Graydon Hoare  <graydon@redhat.com>

        * parse.cxx (scan): Preserve basic C-ish escapes.
        * translate.cxx (c_tmpcounter::declaring): New flag.
        (c_tmpcounter::declare_or_init): New helper method.
        (c_tmpcounter::visit_*): Use declare_or_init.
        (c_unparser::emit_function): Run a tmpcounter to initialize tmps.
        (c_unparser::emit_probe): Likewise.
        (c_unparser::c_strcpy): Use strlcpy.
        (c_unparser::c_strcat): Use strlcat.

2005-08-25  Roland McGrath  <roland@redhat.com>

        * Makefile.am (EXTRA_DIST): List .h files explicitly.
        Automake really does not like wildcards.
        * Makefile.in: Regenerated.

2005-08-25  Frank Ch. Eigler  <fche@redhat.com>

        * Makefile.am (docs): Removed target.
        * Makefile.in: Regenerated.

2005-08-24  Graydon Hoare  <graydon@redhat.com>

        * tapsets.cxx (dwflpp::literal_stmt_for_local): Fetch pointer types,
        array types, strings, from target.

2005-08-24  Roland McGrath  <roland@redhat.com>

        * loc2c-test.c (handle_variable): Iterate on const_type/volatile_type.

2005-08-24  Frank Ch. Eigler  <fche@elastic.org>

        * configure.ac: Require elfutils 0.114.
        * tapsets.cxx: Brought back graydon's changes.
        * configure: Regenerated.

2005-08-24  Roland McGrath  <roland@redhat.com>

        * systemtap.spec.in: Update elfutils requirement.

2005-08-24  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (emit_global, emit_module_init): Use 2.6.9-compatible
        rwlock initialization.

2005-08-24  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (*::emit_probe_entries): Treat NULL and "" last_errors
        both as clean early returns, not errors.
        * translate.cxx: Revamp last_error handling logic.  Remove all
        "goto out" paths from expression context.
        (visit_statement): Handle last_error exit one nesting level at a time.
        (visit_return_statement, visit_functioncall): Set/reset last_error="".
        (c_tmpcounter::visit_for_loop): New routine.
        (c_unparser::visit_foreach, visit_for_loop): Rewrite to properly
        support continue/breaks, non-local exits, (foreach) locks.
        (emit_global): Emit lock variable.
        (varlock ctor, dtor): Lock/unlock global variable.
        (varlock_w, varlock_r): New concrete subclasses.  Update all users.
        * tapset/builtin_logging.stp (exit): Don't set last_error.
        * src/testsuite/buildok/sixteen.stp: New test.

        * tapsets.cxx: Temporarily rolled back graydon's changes.

2005-08-23  Graydon Hoare  <graydon@redhat.com>

        * tapsets.cxx: Re-implement dwarf probe-pattern resolution.

2005-08-22  Frank Ch. Eigler  <fche@elastic.org>

        PR systemtap/1134
        * elaborate.h (module_fds): New member in systemtap_session.
        * tapsets.cxx (dwarf_derived_probe ctor): Open /sys/module/$MOD/.text
        for the duration of a systemtap session, to lock module in memory.

2005-08-21  Frank Ch. Eigler  <fche@redhat.com>

        PR systemtap/1195, systemtap/1193
        * elaborate.cxx (alias_expansion_builder): Set new block token.
        * parse.cxx (parse_symbol): Set new target_symbol token.
        * runtest.sh: Store more pertinent failure data.
        * tapsets.cxx (emit_probe_entries): Rewrite error-handling path.
        * translate.cxx (emit_common_header): Goodbye errorcount, hello
        last_error & last_stmt.
        (c_unparser::visit_statement): New "header" for all other stmts.
        (c_assignop, visit_binary_expression): Adapt to last_error.
        * tapset/builtin_logging.stp: Adapt to last_error.

2005-08-19  Frank Ch. Eigler  <fche@elastic.org>

        PR systemtap/1213
        * translate.cxx (visit_if_statement): Translate else arms.

2005-08-19  Frank Ch. Eigler  <fche@elastic.org>

        PR systemtap/1209
        * elaborate.cxx (derived_probe_builder): Add get_param function.
        * elaborate.h: Declare them.
        * tapsets.cxx (dwarf_query::get_*_param): Call them.
        (timer_derived_probe, timer_builder): New classes.
        (register_standard_tapsets): Register timer.jiffies(N) and friend.
        * translate.cxx (translate_pass): #include <linux/timers.h>.
        * stap.1.in: Document timer.jiffies(N) probe points.
        * testsuite/buildok/fourteen.stp: New test.

2005-08-19  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (find_var): Remove $pid/$tid builtin logic.

2005-08-19  Martin Hunt  <hunt@redhat.com>

        * stp_check.in: Remove stp-control.

2005-08-18  Roland McGrath  <roland@redhat.com>

        * loc2c.c (c_translate_addressof): Take TYPEDIE instead of TYPEATTR.
        * loc2c.h: Update decl.
        * loc2c-test.c (handle_variable): Handle DW_TAG_pointer_type target
        for fetch.

2005-08-18  Will Cohen  <wcohen@redhat.com>

        * stp_check.in: See if relayfs available filesystem.

2005-08-18  Roland McGrath  <roland@redhat.com>

        * loc2c.c (struct location): New member `emit_address'.
        (alloc_location): Initialize new member from ORIGIN.
        (location_from_address): New argument EMIT_ADDRESS.
        Initialize new member.
        (translate): Use LOC->emit_address hook to format DW_OP_addr constant.
        (location_relative): Die if DW_OP_addr is used.
        (default_emit_address): New function.
        (c_translate_location): New argument EMIT_ADDRESS, pass it down.
        Use default_emit_address if argument is null.
        * loc2c.h: Update decl.
        * loc2c-test.c (handle_variable): Update caller.
        * tapsets.cxx (dwflpp::literal_stmt_for_local): Update caller.
        (dwflpp::loc2c_emit_address): New static method.

2005-08-17  Roland McGrath  <roland@redhat.com>

        PR systemtap/1197
        * loc2c.c (struct location): New members `fail', `fail_arg'.
        (alloc_location): New function.  Initialize those members.
        (new_synthetic_loc, translate): Use that instead of obstack_alloc.
        (location_from_address, location_relative): Likewise.
        (FAIL): New macro.  Use it everywhere in place of `error'.
        (c_translate_location): Take new args FAIL, FAIL_ARG.
        * loc2c.h: Update declaration.
        * loc2c-test.c (fail): New function.
        (handle_variable): Pass it to c_translate_location.
        * tapsets.cxx (dwflpp::loc2c_error): New static method.
        (dwflpp::literal_stmt_for_local): Pass it to to c_translate_location.

        PR systemtap/1205, systemtap/1206
        * loc2c.c (c_translate_fetch): Take TYPEDIE instead of TYPEATTR.
        (c_translate_store): Likewise.
        * loc2c.h: Update decls.
        * loc2c-test.c (handle_variable): Update callers.
        Look up type, resolve typedefs, and check that it's DW_TAG_base_type.
        * tapsets.cxx (dwflpp::literal_stmt_for_local): Likewise.

        * loc2c.c (base_byte_size): Add assert on expected DIE tag.
        (c_translate_array, c_translate_pointer): Likewise.
        * loc2c.h: Amend comments to explicitly state type DIE tags expected.

        * loc2c.c: #include "loc2c.h".

2005-08-16  Frank Ch. Eigler  <fche@elastic.org>

        PR systemtap/1180
        * tapsets.cxx (*): Add more verbose-predicatation to informative
        messages.  Correct more hex/dec ostream mismatches.
        (query_function): Use entry/querypc, not prologue-end, for
        function().return and .statement() probe points.
        (dwarf_derived_probe ctor): Reorganize function/statement
        probe point regeneration.

2005-08-16  Frank Ch. Eigler  <fche@elastic.org>

        * main.cxx: Don't print library parse trees if last_pass=1.

2005-08-14  Roland McGrath  <roland@redhat.com>

        * systemtap.spec.in: Update elfutils_version requirement to 0.113;
        restore bundled_elfutils setting to 1.

2005-08-12  Graydon Hoare  <graydon@redhat.com>

        * translate.cxx (c_tmpcounter::visit_array_in): Implement.
        (c_unparser::visit_array_in): Likewise.
        (mapvar::exists): New method.

2005-08-12  Frank Ch. Eigler  <fche@elastic.org>

        PR systemtap/1122 et alii
        * parse.cxx (parse_literal): Parse and range-limit 64-bit numbers.
        (parse_unary): Correct precedence glitch.
        * staptree.h (literal_number): Store an int64_t.
        * staptree.cxx: Corresponding changes.
        * translate.cxx (check_dbz): Remove - insufficient.
        (emit_function): Define CONTEXT macro sibling for THIS.
        (c_typename): pe_long -> int64_t.
        (visit_literal_number): Format literal rigorously and uglily.
        (c_assignop, visit_binary_expression): Handle div/mod via new
        helper functions in runtime.
        * tapset/builtin_logging.stp: Add error, exit builtins.
        * testsuite/buildok/ten,eleven.stp: New tests.
        * testsuite/parse{ko,ok}/six.stp: Modify for larger numbers.
        * testsuite/transok/one.stp: Add more ";"s, maybe unnecessarily.

2005-08-11  Frank Ch. Eigler  <fche@elastic.org>

        * systemtap.spec.in: Tweak to turn into fedora-flavoured spec.
        Don't build/install runtime docs.

2005-08-11  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (uninstall-local): New target.
        * Makefile.in: Regenerate.

2005-08-11  Frank Ch. Eigler  <fche@elastic.org>

        * translate.cxx (emit_function): Add an extra { } around the
        function body visitation.
        * tapset/timestamp_functions.stp: New file.
        * tapset/builtin_conversions.stp: Aggregated from [hex]string.
        * tapset/builtin_logging.stp: Aggregated from log/warn/printk.

2005-08-11  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx: Tweak hex/decimal printing for consistency.
        (emit_registrations): Remove module-specific code, anticipating
        that libelf gives us run-time addresses already.

2005-08-10  Roland McGrath  <roland@redhat.com>

        * loc2c.c (emit_base_store): New function.
        (emit_bitfield): Rewritten to handle stores, change parameters.
        (c_translate_fetch): Update caller.
        (c_translate_store): New function.
        * loc2c.h: Declare it.
        * loc2c-test.c (handle_variable): Grok "=" last argument to do a store.

        * loc2c.c (c_translate_location): Increment INDENT.
        (c_translate_pointer): Likewise.
        (emit_loc_value): Increment INDENT after emit_header.

2005-08-10  Graydon Hoare  <graydon@redhat.com>

        * tapsets.cxx (dwflpp::literal_stmt_for_local): Copy code from
        loc2c-test to implement target member variable access.

2005-08-10  Graydon Hoare  <graydon@redhat.com>

        * tapsets.cxx
        (dwflpp::global_addr_of_line_in_cu): Implement next-line heuristic.
        (dwarf_query::get_number_param): Dwarf_Addr variant.
        (query_cu): Add line-selecting variant for function iteration.

2005-08-10  Frank Ch. Eigler  <fche@elastic.org>

        PR translator/1186
        * elaborate.cxx (resolve_2types): Accept a flag to tolerate unresolved
        expression types.
        (visit_functioncall): Call it thusly.
        * translate.cxx (emit_function): Tolerate void functions.
        * stap.1.in: Document possibility of void functions.
        * tapset/builtin_{log,printk,warn}.stp: Make these void functions.
        * testsuite/buildok/nine.stp, semok/eighteen.stp: New tests.

2005-08-10  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx: Correct hex/decimal misformatting of verbose messages.
        * main.cxx: Add formal "-h" and "-V" options.
        * stap.1.in: Document them.

2005-08-10  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx: Move around "focusing on ..." messages to print
        them only for matching functions/modules.
        (dwflpp ctor): Also add cu (source file) name to derived
        probe point.

2005-08-09  Graydon Hoare  <graydon@redhat.com>

        * testsuite/parseok/nine.stp: Update
        * testsuite/semok/{six,seven,eleven,seventeen}.stp: Update.

2005-08-09  Graydon Hoare  <graydon@redhat.com>

        * staptree.{cxx,h}
        (target_symbol): New struct.
        (*_visitor::visit_target_symbol): Support it.
        (visitor::active_lvalues)
        (visitor::is_active_lvalue)
        (visitor::push_active_lvalue)
        (visitor::pop_active_lvalue): Support lvalue-detection.
        (delete_statement::visit)
        (pre_crement::visit)
        (post_crement::visit)
        (assignment::visit): Push and pop lvalue expressions.
        * elaborate.{cxx,h}
        (lvalule_aware_traversing_visitor): Remove class.
        (no_map_mutation_during_iteration_check)
        (mutated_map_collector): Update lvalue logic.
        (typeresolution_info::visit_target_symbol): Add, throw error.
        * parse.{cxx,h}
        (tt2str)
        (tok_is)
        (parser::expect_*)
        (parser::peek_*): New helpers.
        (parser::parse_symbol): Rewrite, support target_symbols.
        * translate.cxx (c_unparser::visit_target_symbol): Implement.
        * tapsets.cxx (var_expanding_copy_visitor): Update lvalue logic,
        change visit_symbol to visit_target_symbol.

2005-08-09  Martin Hunt  <hunt@redhat.com>

        PR 1174
        * stp_check.in: Supply path for lsmod.
        * stp_check: Removed.

2005-08-09  Graydon Hoare  <graydon@redhat.com>

        * elaborate.cxx:
        (delete_statement_symresolution_info): New struct.
        (symresolution_info::visit_delete_statement): Use it.
        (delete_statement_typeresolution_info): New struct.
        (typeresolution_info::visit_delete_statement): Use it.
        (symresolution_info::find_var): Accept -1 as 'unknown' arity.
        * elaborate.h: Update to reflect changes in .cxx.
        * translate.cxx (mapvar::del): New method.
        (c_unparser::getmap): Check arity >= 1;
        (delete_statement_operand_visitor): New struct.
        (c_unparser::visit_delete_statement): Use it.
        * staptree.cxx (vardecl::set_arity): Accept and ignore -1.
        (vardecl::compatible_arity): Likewise.
        * testsuite/buildok/eight.stp: New test for 'delete' operator.

2005-08-08  Roland McGrath  <roland@redhat.com>

        * loc2c-test.c: New file.
        * Makefile.am (noinst_PROGRAMS): Add loc2c-test.
        (loc2c_test_SOURCES, loc2c_test_LDADD): New variables.
        * Makefile.in, aclocal.m4: Regenerated.

2005-08-08  Frank Ch. Eigler  <fche@elastic.org>

        * stap.1.in: Autoconfify old man page.
        * configure.ac: Make it so.
        * stap.1: Removed.
        * configure, Makefile.in, aclocal.m4: Regenerated.

2005-08-05  Frank Ch. Eigler  <fche@elastic.org>

        * runtest.sh: Keep around log files from crashed processes,
        those whose rc is neither 0 nor 1.

2005-08-05  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (query_statement|function|cu|module): Add explicit
        nested try/catch, since elfutils iteration seems to block
        exception catching.

2005-08-05  Frank Ch. Eigler  <fche@elastic.org>

        PR translator/1175
        * translate.cxx (*): Added unlikely() markers to most emitted error
        checks.
        (mapvar::get,set): Handle NULL<->"" impedance mismatch.
        (itervar::get_key): Ditto.  Use base index=1 for keys.
        * testsuite/buildok/one.stp: Extend.  And it runs with -p5 too.
        * stap.1: Document use of ";" statament as mechanism for grammar
        ambiguity resolution.
        * stp_check.in: Set $prefix.
        * systemtap.spec.in: Prereq kernel-devel, kernel-debuginfo,
        and not tcl.
        * tapsets.cxx: Make slightly less verbose.

2005-08-03  Graydon Hoare  <graydon@redhat.com>

        * tapsets.cxx (dwflpp): Fix address calculation logic a bit,
        and use prologue-end addresses for function probes.

2005-08-03  Frank Ch. Eigler  <fche@redhat.com>

        * stap.1: More meat, all stub sections filled.
        * elaborate.cxx (visit_assignment): Add numerous missing cases.
        * parse.cxx: Parse ".=" operator.
        * testsuite/semok/sixteen.stp: Check them.
        * main.cxx (usage): Don't show incompletely supported options.

2005-08-03  Martin Hunt  <hunt@redhat.com>

        * stp_check.in : Copy sources to /var/cache/systemtap.
        * systemtap.spec.in: Install stp_check.
        * Makefile.am (install-exec-local): Install stp_check.

2005-08-03  Martin Hunt  <hunt@redhat.com>

        * configure.ac: Add stp_check to AC_CONFIG_FILES.
        * stp_check.in : New file.

2005-08-03  Frank Ch. Eigler  <fche@elastic.org>

        * README: Be more specific about prerequisites.
        * tapset/builtin_string.stp: New builtin.
        * testsuite/buildok/seven.stp, semko/eighteen.stp: New tests.

2005-08-03  Roland McGrath  <roland@redhat.com>

        * configure.ac, systemtap.spec.in: Version 0.2.1.
        * Makefile.in, aclocal.m4, configure: Regenerated.

2005-08-02  Roland McGrath  <roland@redhat.com>

        * loc2c.c (emit_bitfield): Return bool, value from emit_base_fetch.
        (c_translate_fetch): Update caller.
        (c_translate_pointer): Never ignore emit_base_fetch return value.

        * systemtap.spec.in (%install): Remove parameters after %makeinstall.

2005-08-02  Frank Ch. Eigler  <fche@elastic.org>

        * loc2.c (emit_loc_address): Emit interleaved declaration into
        its own nested { } block.
        * tapsets.cxx (literal_stmt_for_local): Emit deref_fault block
        unconditionally.
        * tapset/builtin_hexstring.stp: New builtin.
        * testsuite/buildok/six.stp: New test.

2005-08-02  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx (emit_registrations): Treat module_name="kernel"
        as if module_name="".

2005-08-01  Graydon Hoare  <graydon@redhat.com>

        * staptree.{cxx,h} (probe_point::component): Add a ctor.
        * tapsets.cxx (dwarf_derived_probe): Synthesize concrete
        probe_point for matched pattern.
        (dwarf_probe_type)
        (dwarf_query::add_kernel_probe)
        (dwarf_query::add_module_probe): Remove, they were noise.
        (dwflpp::module_name_matches): Don't call get_module_dwarf().

2005-08-01  Frank Ch. Eigler  <fche@elastic.org>

        * tapsets.cxx: Support ".return" option for function probe points.
        * testuite/buildok/five.stp: Try it.

2005-08-01  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (derive_probes, semantic_pass_symbols): Improve
        error message specificity.
        * translate.cxx (emit_module_init): Compact partial registration
        recovery code.
        (emit_module_exit): Invert deregistration sequence.
        * testsuite/buildok/four.stp: Some module() test case.

2005-08-01  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (derive_probes): Print error if results empty.
        * tapsets.cxx (dwflpp_assert): Handle positive RCs, which likely
        came from errno.
        (dwflpp::setup): Improve missing debug-info messages.
        * testsuite/semko/sixteen,seventeen.stp: New tests.
        * runtest.sh: Save stdout/stderr of FAIL/XPASS test cases.
        * Makefile.am (clean-local): Clean up testsuite/.
        * Makefile.in, aclocal.m4: Regenerated.

2005-07-29  Frank Ch. Eigler  <fche@redhat.com>

        From Graydon Hoare <graydon@redhat.com:
        * tapsets.cxx (var_expanding_copy_visitor): Correct lvalue cases.

2005-07-29  Frank Ch. Eigler  <fche@redhat.com>

        * Makefile.am: Make sure stpd goes into libexec/systemtap/
        * Makefile.in: Regenerated.

2005-07-29  Frank Ch. Eigler  <fche@redhat.com>

        * configure.ac: Fail configure stage if elfutils 0.111+ is not found.
        * Makefile.am, elaborate.cxx, tapsets.cxx: Unconditionalize.
        * configure, Makefile.in, config.in: Regenerated.

2005-07-29  Roland McGrath  <roland@redhat.com>

        * Version 0.2 distribution.

        * systemtap.spec.in: Include %{_datadir}/systemtap/tapset directory.
        (%check): Add section, run make check.
        * Makefile.am (EXTRA_DIST): Add runtest.sh.
        * Makefile.in: Regenerated.

        * systemtap.spec.in: Include man pages.
        * Makefile.am (man_MANS): Renamed to dist_man_MANS.

        * configure.ac: Add AM_CONDITIONAL definition of HAVE_LIBDW.
        * Makefile.am [HAVE_LIBDW] (stap_SOURCES_libdw): New variable.
        (stap_SOURCES): Use it, moving loc2c.c there.
        * configure, config.in: Regenerated.

        * tapsets.cxx: <libdw.h> -> <elfutils/libdw.h>
        * loc2c.c, loc2c.h: Likewise.

        * main.cxx (main): Check return value of system.

        * systemtap.spec.in (LDFLAGS): Punt using $ORIGIN here, just hard-code
        %{_libdir}.
        (elfutils_version): Bump to 0.111.
        [bundled_elfutils]: Don't massage libdwfl.h header any more.

        * configure.ac: Don't check for libelf.h, not actually #include'd.
        Update -ldw check for merged libdwfl+libdw.
        (stap_LIBS): New substituted variable.  Set only this, not LIBS,
        with -ldw check.
        * Makefile.am (stap_LDADD): New variable, use @stap_LIBS@.

        * Makefile.am (AM_CPPFLAGS): Use ${pkgdatadir}.
        (AM_CFLAGS): Use -W instead of -Wextra, for gcc 3 compatibility.
        (stpd_LDFLAGS): Variable removed.
        (AM_MAKEFLAGS): Variable removed.

2005-07-28  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (find_var): Correct array dereferencing thinko.

2005-07-28  Graydon Hoare  <graydon@redhat.com>

        * elaborate.cxx (derived_probe::derived_probe): Accept NULL probe.
        * staptree.cxx (provide, require): Move from here...
        * staptree.h: to here, and virtualize deep-copy methods.
        * translate.cxx
        (c_unparser::emit_common_header): Include loc2c-runtime.h
        * tapsets.cxx
        (dwflpp::iterate_over_modules): Use new, faster getmodules loop.
        (dwflpp::literal_stmt_for_local): New method, call loc2c.
        (var_expanding_copy_visitor): New struct which expands $-vars.
        (dwarf_derived_probe): Rebuild this->body using var expander.
        (query_function): Refactor logic a bit for speed.
        * loc2c.{c,h}: Copies (with minor changes) of Roland's work
        from elfutils CVS.
        * Makefile.am (AM_CFLAGS): Set to elfutils-style.
        (stap_SOURCES): Add loc2c.c.
        * Makefile.in: Regenerate.

2005-07-28  Frank Ch. Eigler  <fche@redhat.com>

        * stap.1: Beginnings of a man page.
        * Makefile.am: Install it.  Comment out stpd LDADD goodies.
        * configure.ac: Futilely complain about non-stpd LIBS.
        * Makefile.in, configure.in: Regenerated.
        * main.cxx (usage): Remove ARGS from help text, as nothing is
        done with these yet.

2005-07-28  Frank Ch. Eigler  <fche@redhat.com>

        * translate.cxx: Add "pt_regs*" field to context.
        * tapsets.cxx (*): Correct kprobes API interface.
        * testsuite/buildok/three.stp: New test, copied from semok.
        * Makefile.am (install-data-local): Also install runtime/relayfs,
        so scripts can build against headers located thereunder.
        * Makefile.in: Regenerated.

2005-07-28  Frank Ch. Eigler  <fche@redhat.com>

        translator/1120
        * main.cxx (main): Preset -R and -I options from environment
        variables (if set).  Pass guru mode flags to parser.
        * parse.cxx (privileged): New parser operation flag.  Update callers.
        (parse_embeddedcode): Throw an error if !privileged.
        (parse_functiondecl): Change signature.  Prevent duplicates.
        (parse_globals): Ditto.
        * parse.h: Corresponding changes.
        * tapset/*.stp: Beginnings of real tapset library, to replace
        previous builtins.
        * tapsets.cxx: Greatly reduce verbose mode output.
        * Makefile.am: Install & dist it.
        * runtest.sh: Refer to it.
        * Makefile.in, aclocal.m4: Regenerated.
        * testsuite/*/*.stp: Set guru mode via /bin/sh if needed.
        * testusite/*/*ko.stp: Homogenize shell scripts.

2005-07-28  Frank Ch. Eigler  <fche@redhat.com>

        translator/1120
        translator/1123
        * elaborate.cxx (semantic_pass_symbols): Print a more helpful
        error message around exceptions.
        * elaborate.h (systemtap_session): Add guru_mode field.
        * main.cxx (main): Initialize it to false.  Add version-sensitive
        script library searching.  Add more failure messages.
        * tapsets.cxx (dwflpp_assert): Add a decorative text parameter.
        Update callers.

2005-07-28  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (install-data-local): Add runtime/transport.
        * Makefile.in: regenerated.

2005-07-26  Graydon Hoare  <graydon@redhat.com>

        * elaborate.cxx: Revert builtin-function code.
        * translate.cxx: Likewise.
        * tapsets.{h,cxx}: Likewise.

2005-07-26  Martin Hunt  <hunt@redhat.com>

        * buildrun.cxx (compile_pass): Add -Wno-unused to CFLAGS because
        usually a module doesn't use every function in the runtime.

2005-07-26  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (stpd_LDFLAGS): Set rpath correclty because otherwise
        automake doesn't seem to get it right when binaries are in libexec
        subdirs.
        (AM_CPPFLAGS): revert.
        * systemtap.spec.in (LDFLAGS): Set libexecdir here instead.

2005-07-26  Frank Ch. Eigler  <fche@redhat.com>

        Support %{ embedded-c %}
        * staptree.h (embeddedcode): New statement subtype.  Stub support in
        visitors.
        * staptree.cxx: Ditto.
        * parse.cxx: Parse %{ / %}.  Accept "_" as identifier leading char.
        (parse_probe): Simplify calling convention.
        * elaborate.h: Store embedded code.
        * elaborate.cxx: Pass it.
        * translate.cxx: Transcribe it.  Return some dropped module init/exit
        code.
        * Makefile.am: Add buildok/buildko tests.
        * Makefile.in: Regenerated.
        * main.cxx: Return EXIT_SUCCESS/FAILURE even for weird rc.
        * testsuite/parseok/nine.stp: Test _identifiers.
        * testsuite/transko/*.stp: Tweak to force -p3 rather than -p2 errors.
        * testsuite/semok/transko.stp: ... and keep it that way in the future.
        * testsuite/parse*/*: Some new tests for %{ %}.
        * testsuite/build*/*: New tests for -p4.

2005-07-26  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (AM_CPPFLAGS): Set PKGLIBDIR correctly.

2005-07-26  Martin Hunt  <hunt@redhat.com>

        * systemtap.spec.in: Stpd goes in libexec/systemtap.
        * Makefile.am (libexecdir): Set to libexecdir/systemtap.
        * aclocal.m4, Makefile.in: Regenerated

2005-07-25  Roland McGrath  <roland@redhat.com>

        * configure.ac: Don't define PKGLIBDIR and PKGDATADIR here.
        * Makefile.am (AM_CPPFLAGS): New variable, use -D here instead.
        (dist-hook): Don't remove ChangeLog files.
        (install-data-local): Don't install docs, just runtime stuff.
        (rpm, clean-local): Use make variables instead of @substitution@s.
        * configure, config.in, aclocal.m4, Makefile.in: Regenerated

2005-07-22  Graydon Hoare  <graydon@redhat.com>

        * translate.cxx (itervar): New class.
        (*::visit_foreach_loop): Implement.
        Various bug fixes.
        * staptree.cxx (deep_copy_visitor::*): Copy tok fields.
        * elaborate.cxx (lvalue_aware_traversing_visitor):
        (mutated_map_collector):
        (no_map_mutation_during_iteration_check): New classes.
        (semantic_pass_maps): New function to check map usage.
        (semantic_pass): Call it.
        * testsuite/transok/eight.stp: Test 'foreach' loop translation.
        * testsuite/semko/{thirteen,fourteen,fifteen}.stp:
        Test prohibited forms of foreach loops.

2005-07-21  Martin Hunt  <hunt@redhat.com>

        * Makefile.am (EXTRA_DIST): Add systemtap.spec.
        (install-data-local): Install docs and probes.
        (docs): New target.
        (rpm): New target.

        * configure.ac: Set initial version to 0.1.1.
        (pkglibdir): Set to libexec.

        * Makefile.in: Regenerated.

2005-07-20  Graydon Hoare  <graydon@redhat.com>

        * elaborate.{cxx,h} (find_array): Remove.
        (find_scalar): Rename to find_var, add array support.
        * staptree.{cxx,h} (vardecl::compatible_arity): New method.
        * translate.cxx: Refactor, add array read/write support.
        * testsuite/transok/three.stp: Uncomment array uses.
        * testsuite/transok/seven.stp: New test of array r/w.

2005-07-20  Frank Ch. Eigler  <fche@redhat.com>

        * tapsets.cxx (*::emit_[de]registrations): Add logic for probe
        lifecycle control (session_state).
        * translate.cxx (emit_common_header,emit_module_{init,exit}): Ditto.
        (visit_*): Use per-context errorcount.

2005-07-19  Frank Ch. Eigler  <fche@redhat.com>

        * Makefile.am (dist-hook): Complete the resulting tarball.
        * Makefile.in: Regenerated.

2005-07-19  Frank Ch. Eigler  <fche@redhat.com>

        * translate.cxx (emit_module_init/exit, translate_pass): Conform
        to newer runtime startup/shutdown hooks.

2005-07-15  Frank Ch. Eigler  <fche@redhat.com>

        * Makefile.am (install-data-local): Correct typo.
        * buildrun.cxx (compile_pass): Ditto.
        * main.cxx (main): Print errors if passes 4 or 5 fail.

2005-07-14  Frank Ch. Eigler  <fche@redhat.com>

        * buildrun.cxx (compile_pass, run_pass): Get closer to a working
        test_mode.
        * translate.cxx (emit_module_init, emit_common_header): Ditto.
        (translate_pass): Ditto.

2005-07-14  Frank Ch. Eigler  <fche@redhat.com>

        * Makefile.am (stpd): Install in $pkglibdir.
        (runtime): Copy to $pkgdatadir.
        * configure.ac: Pass along pkgdatadir and pkglibdir.
        * main.cxx: Default runtime_path from pkgdatadir.
        * buildrun.cxx (run_pass): Correct stpd directory.
        * Makefile.in, configure, config.in: Regenerated.

2005-07-12  Graydon Hoare  <graydon@redhat.com>

        * elaborate.cxx
        (semantic_pass_symbols): Only enter body if non-null.
        (semantic_pass_types): Likewise.
        (semantic_pass): Pass session to register_standard_tapsets.
        * translate.cxx
        (builtin_collector): New struct.
        (hookup_builtins): New function.
        (translate_pass): Only translate functions with bodies.
        (c_unparser::emit_common_header): Likewise, and call hookup_builtins.
        * tapsets.hh (builtin_function): New class.
        (register_standard_tapsets): Change parameter to session.
        * tapsets.cc (bultin_function::*): Implement class.
        (register_standard_tapsets): Register printk, log, warn.
        * testsuite/transok/six.stp: New test.

2005-07-12  Frank Ch. Eigler  <fche@redhat.com>

        * buildrun.cxx (compile_pass): Make non-verbose mode quieter.
        (run_pass): Spawn stpd for dirty work.
        * Makefile.am: Also build stpd into libexecdir.
        * configure.ac: Pass LIBEXECDIR.
        * Makefile.in, configure, config.in: Regenerated.
        * AUTHORS: Update.

2005-07-11  Graydon Hoare  <graydon@redhat.com>

        * staptree.cxx (require): Generally handle null pointers in src.
        (deep_copy_visitor::visit_if_statement): Revert fche's change.

2005-07-11  Frank Ch. Eigler  <fche@redhat.com>

        * parse.cxx (parse_literal): Compile cleanly on 64-bit host.
        * staptree.cxx (deep_copy_visitor::visit_if_statement): Don't
        freak on a null if_statement.elseblock.

2005-07-07  Graydon Hoare  <graydon@redhat.com>

        * staptree.{h,cxx} (deep_copy_visitor): New visitor.
        * elaborate.cxx
        (derived_probe::derived_probe):
        (alias_expansion_builder::build): Use it.
        * testsuite/semok/fifteen.stp: New test which relies on deep copy.

2005-07-07  Frank Ch. Eigler  <fche@redhat.com>

        * Makefile.am (dist): Package up the source tree, including
        testsuite and runtime.
        * main.cxx: Use clog instead of cerr for logging messages.
        * buildrun.cxx: Ditto.
        (compile_pass): Add -Iruntime/user for test mode.
        * translate.cxx (*): Commonalize test/real mode output.
        * Makefile.in: Regenerated.

2005-07-05  Graydon Hoare  <graydon@redhat.com>

        * elaborate.{h,cxx}: Revert previous changes.
        * tapsets.{h,cxx}: Adapt to verbose as a member of session.
        * elaborate.cxx (alias_expansion_builder::build): Avoid copying
        locals between alias definition and use.
        * testsuite/semok/{twelve,thirteen,fourteen}.stp: New tests.
        * staptree.cxx (probe_alias::printsig): Print equals sign.

2005-07-05  Frank Ch. Eigler  <fche@redhat.com>

        * elaborate.h (systemtap_session): Add more command-line arguments.
        * staptree.h (verbose): Bad global, no donut.
        * elaborate.cxx: Temporarily disable verbose variable access.
        * main.cxx: Support more arguments, build/run passes.  Revamp
        temporary file generation and partial-pass output generation.
        * tapsets.cxx, translate.cxx: Emit just enough extra punctuation
        and fluff to make generated probe pass -Werror.
        * buildrun.cxx, buildrun.h: New files for passes 4/5.  Partial
        support for build pass, nothing on probe execution yet.
        * testsuite/transok/*.stp: Force just -p3, now that -p4/5 exist.
        * Makefile.am, Makefile.in: Corresponding changes.

2005-07-04  Graydon Hoare  <graydon@redhat.com>

        * elaborate.h (symresolution_info::current_derived_probe): New field.
        (symresolution_info::current_probe): Change type.
        * elaborate.cxx (semantic_pass_symbols): Add passes for resolving
        locals in pre-derivation base probes and pre-expansion aliases.
        (symresolution_info::visit_symbol):
        (symresolution_info::find_scalar): Update to match new field.

2005-06-27  Graydon Hoare  <graydon@redhat.com>

        * staptree.{h,cxx} (probe_alias): New structure.
        * parse.{h,cxx} (parser::parse): Parse probes or probe aliases.
        (parser::parse_probe): Likewise.
        * tapsets.{h,cxx}:
        (derived_probe_builder):
        (match_key):
        (match_node):
        (alias_derived_probe): Move from here,
        * elaborate.{h,cxx}: to here.
        * elaborate.h (systemtap_session::pattern_root): New member.
        (register_library_aliases): New function.
        * tapsets.cxx: Build one dwarf_derived_probe per target address.

2005-06-23  Graydon Hoare  <graydon@redhat.com>

        * tapsets.cxx
        (probe_type): New enum.
        (probe_spec): New struct.
        (dwarf_derived_probe): Reorganize a bit, interpret .return.
        (query_statement): Translate addresses back to module space.
        (probe_entry_function_name):
        (probe_entry_struct_kprobe_name):
        (foreach_dwarf_probe_entry):
        (declare_dwarf_kernel_entry):
        (deregister_dwarf_kernel_entry):
        (register_dwarf_kernel_entry):
        (register_dwarf_module):
        (declare_dwarf_module_entry):
        (deregister_dwarf_module_entry):
        (register_dwarf_module_entry): New functions.
        (dwarf_derived_probes::emit_probe_entries):
        (dwarf_derived_probes::emit_registrations):
        (dwarf_derived_probes::emit_deregistrations): Implement.

2005-06-21  Frank Ch. Eigler  <fche@redhat.com>

        * config.in, configure: Regenerated.
        * tapsets.cxx: Make dwarf code conditional on new elfutils header.

2005-06-20  Graydon Hoare  <graydon@redhat.com>

        * configure.ac: Scan for libdwfl.
        * staptree.h (verbose): New global.
        * main.cxx (usage, main): Implement -v option.
        * tapsets.cxx (dwflpp): New struct.
        (query_statement): New function.
        (query_function): New function.
        (query_cu): New function.
        (query_module): New function.
        (dwarf_derived_probe): Implement primary forms.

2005-06-14  Graydon Hoare  <graydon@redhat.com>

        * tapsets.h: New file.
        (derived_probe_builder): Callback for making derived probes.
        (match_key): Component of pattern-matching tree.
        (match_node): Other component of pattern-matching tree.
        * tapsets.cxx: Add pattern-matching system for probes.
        (alias_derived_probe): Skeleton for alias probes.
        (dwarf_derived_probe): Skeleton for dwarf probes.
        (register_standard_tapsets): Registry for standard tapsets.

2005-06-13  Frank Ch. Eigler  <fche@redhat.com>

        Start separating out translator-side probe point recognition.
        * tapsets.cxx: New file.
        (be_derived_probe): Support for begin/end probes.
        (derive_probe): Ditto.  Reject anything unrecognized.
        * translator.cxx: Move out old code.
        * Makefile.am: Add new source file.
        * testsuite/semok/*: Switch to begin/end probes only.

2005-06-08  Frank Ch. Eigler  <fche@redhat.com>

        systemtap/916
        Implement all basic scalar operators, including modify-assignment.
        * parse.cxx (lexer): Allow multi-character lookahead in order to
        scan 1/2/3-character operators.
        (parse_boolean_or/and/xor/shift): New routines.
        * translate.cxx (visit_assignment, visit_binary_expression,
        visit_*_crement): Generally rewrote.
        (visit_*): Added more parentheses in output.
        (emit_module_init): Initialize globals.
        * staptree.h, elaborate.cxx, elaborate.h: Remove exponentiation.
        * main.cxx (main): Add an end-of-line to output file.
        * testsuite/*: Several new tests.

2005-06-05  Frank Ch. Eigler  <fche@elastic.org>

        Implement for/next/continue/break/while statements.
        * staptree.h: Declare new 0-arity statement types.  Tweak for_loop.
        * parse.cxx: Parse them all.
        * translate.cxx (c_unparser): Maintain break/continue label stack.
        (visit_for_loop, *_statement): New implementations.
        * elaborate.*, staptree.cxx: Mechanical changes.
        * testsuite/parseok/ten.stp, semko/twelve.stp, transko/two.stp,
        transok/five.stp: New tests.

2005-06-03  Frank Ch. Eigler  <fche@elastic.org>

        * elaborate.cxx (find_*): Remove arity checks from here ...
        * staptree.cxx (set_arity): Put arity match assertion here.
        * testsuite/semko/{six,nine}.stp: Confirm logic.
        * testsuite/transko/one.stp: First translation-time ko test.

2005-06-03  Frank Ch. Eigler  <fche@redhat.com>

        * TODO: Removed entries already represented in bugzilla.
        * elaborate.cxx: Rewrite type inference for several operators.
        * main.cxx (main): For -p2 runs, print types of function/probe locals.
        * parse.cxx (scan): Identify more two-character operators.
        (parse_comparison): Support the whole suite.
        * translate.cxx (visit_unary_expression, logical_or_expr,
        logical_and_expr, comparison,ternary_expression): New support.
        * testsuite/parseok/semok.stp: Clever new test.
        * testsuite/transok/four.stp: New test.
        * testsuite/*: Some tweaked tests for syntax changes.

2005-06-03  Frank Ch. Eigler  <fche@redhat.com>

        * parse.cxx (scan): Support C and C++ comment styles.
        * testsuite/parseok/four.stp: Test them some ...
        * testsuite/parseko/nine.stp: ... and some more.

2005-06-02  Frank Ch. Eigler  <fche@redhat.com>

        * translate.cxx (visit_concatenation, visit_binary_expression):
        New basic implementation.
        (*): Reduce emitted whitespace and remove `# LINE "FILE"' lines.

2005-06-02  Frank Ch. Eigler  <fche@redhat.com>

        Parse foreach construct.  Added fuller copyright notices throughout.
        * staptree.h (foreach_loop): New tree node type.
        * staptree.cxx: Print it, visit it, love it, leave it.
        * parse.cxx: Parse it.
        (parse_stmt_block): Don't require ";" separators between statements.
        (parse_array_in): Use [] as index group operator instead of ().
        * elaborate.cxx (visit_foreach_loop): New code.
        * translate.cxx: Slightly tighten errorcount/actioncount handling.
        * main.cxx: Accept "-" as script file name standing for stdin.
        (visit_arrayindex): Switch to simpler set_arity call.
        * configure.ac: Generate DATE macro.
        * Makefile.in, configure, config.in: Regenerated.
        * testsuite/*: New/updated tests for syntax changes, foreach ().

2005-05-30  Frank Ch. Eigler  <fche@redhat.com>

        More fully parse & elaborate "expr in array" construct.
        * staptree.h (array_in): Make this unary.  Update .cxx to match.
        * parse.cxx (parse_array_in): Rewrite.
        (parse_symbol_plain): Removed.  Update .h to match.
        * elaborate.cxx (typeresolution_info::visit_array_in): New function.
        (find_array): Tentatively, accept arity=0.
        * translate.cxx (c_unparser::c_assign): New functions to eliminate
        much ugly duplication.  Use throughout.
        (visit_symbol): Correct function formal argument search.
        (c_tmpcounter*::visit): Add missing recursion in several functions.
        * testsuite/*: Add new tests for array-in construct.  Add the
        first "transok" test.
        * Makefile.am: Add transok tests.
        * Makefile.in: Regenerated.

2005-05-26  Frank Ch. Eigler  <fche@redhat.com>

        * translate.cxx: Traverse trees just for common-header generation,
        to emit explicit temp variables into context.  Switch to explicit
        "frame" pointer in generated function/probe bodies.  Initialize
        locals in function bodies.  Rename "test_unparser" to "c_unparser"
        throughout.

2005-05-24  Frank Ch. Eigler  <fche@redhat.com>

        * elaborate.cxx (find_array): Support automagic tapset globals.
        * testsuite/semok/nine.stp: Test it.
        * staptree.cxx (stapfile print): List globals.

2005-05-24  Frank Ch. Eigler  <fche@redhat.com>

        * testsuite/semlib/*: New tapset library chunks for "-I" testing.
        * testsuite/semok/eight.stp, nine.stp: New tests.

2005-05-22  Frank Ch. Eigler  <fche@elastic.org>

        * Makefile.am (gcov): New target to generate test-coverage data from
        a testsuite run.
        * Makefile.in: Regenerated.

2005-05-20  Frank Ch. Eigler  <fche@redhat.com>

        Many changes throughout.  Partial sketch of translation output.
        * elaborate.*: Elaboration pass.
        * translate.*: Translation pass.
        * staptree.*: Simplified for visitor concept.
        * main.cxx: Translator mainline.
        * *test.cxx: Removed.
        * testsuite/*: Some new tests, some changed for newer syntax.

2005-05-05  Frank Ch. Eigler  <fche@redhat.com>

        * parse.cxx (parse): Add helper methods.
        (lexer::scan, parse_assignment): Parse "<<<" operator.  Fix assignment
        associativity.
        (parse_symbol): Permit function with empty arg list.
        (parse_global, parse_statement, parse_functiondecl): Expect
        unconsumed leading keyword.
        (parse_global): Don't use ";" termination.
        * parse.h: Corresponding changes.
        * staptree.cxx (binary_expression::resolve_types): Fix <<<
        type inference.
        (translator_output): Improve pretty-printing.
        (*): Add general visitors to statement/expression types.
        * staptree.h: Corresponding changes.  Tweak symresolution_info fields.
        Add semantic_error class.
        * semtest.cxx: Adapt to this.
        * testsuite/parseok/two.stp, semok/*.stp: Adapt to syntax changes.

2005-03-15  Frank Ch. Eigler  <fche@redhat.com>

        * semtest.cxx: Print probe signatures properly.
        * staptree.cxx (probe::printsig): New function.

2005-03-15  Frank Ch. Eigler  <fche@redhat.com>

        * TODO: New file.  Include some probe-point-provider syntax examples.
        * parse.cxx (lexer::scan, parser::parse_literal): Support hex, octal
        numbers via strtol.
        (parse_probe, parse_probe_point): Modify for dotted syntax.
        * staptree.cxx: Ditto.
        * parsetest.cxx, semtest.cxx: Print parse/sem results even if
        .stp files were given on command line.
        * parse.h, staptree.h: Rename probe_point_spec -> probe_point.
        * runtest.sh: New test-runner front-end script.
        * Makefile.am: Use it for TESTS_ENVIRONMENT.
        * testsuite/*: Update probe point syntax.  Add a bunch of new tests.

2005-03-04  Frank Ch. Eigler  <fche@redhat.com>

        * parse.cxx (scan): Support '$' characters in identifiers.
        (parse_symbol): Support thread-> / process-> shorthand.
        * staptree.cxx (symresolution_info::find): Split up into
        find_scalar, find_array, find_function.
        (resolve_symbols): Call the above for symbol/arrayindex/functioncall.
        (find_scalar): Add stub support for synthetic builtin variables.
        * staptree.h: Corresponding changes.
        * testsuite/*: Some new tests.

2005-03-03  Frank Ch. Eigler  <fche@redhat.com>

        * parse.cxx (parse_assignment): Assert lvalueness of left
        operand.
        * staptree.h (expression): Add is_lvalue member.
        * staptree.cxx (functioncall::resolve_types): Don't crash on
        formal-vs-actual argument count mismatch.
        (*): Add some is_lvalue stub functions.
        * testsuite/*: Some new tests.

2005-03-01  Frank Ch. Eigler  <fche@redhat.com>

        * parse.cxx: Implement left-associativity for several types of
        operators.  Add some more statement types.  Parse functions.
        Be able to print tokens.  Simplify error generating functions.
        Save tokens in all parse tree nodes.
        * parse.h: Corresponding changes.
        * staptree.cxx: Move tree-printing functions here.  Add many
        new functions for symbol and type resolution.
        * staptree.h: Corresponding changes.
        * semtest.cxx: New semantic analysis pass & test driver.
        * testsuite/sem*/*: New tests.
        * parsetest.cxx: Separated parse test driver.
        * testsuite/parse*/*: Adapt tests to parsetest driver.
        * Makefile.am: Build semtest.  Run its tests.
        * Makefile.in: Regenerated.

2005-02-11  Frank Ch. Eigler  <fche@redhat.com>

        * parse.cxx, parse.h: New files: parser.
        * staptree.h: New file: semantic object declarations.
        * staptree.cxx: New dummy driver file.