Nick Clifton [Thu, 23 Jul 2009 13:00:30 +0000 (13:00 +0000)]
* config/obj-elf.c (obj_elf_type): Add code to support a type of
gnu_unique_object.
* doc/as.texinfo: Document new feature of .type directive.
* NEWS: Mention support for gnu_unique_object symbol type.
* common.h (STB_GNU_UNIQUE): Define.
* NEWS: Mention the linker's support for symbols with a binding of
STB_GNU_UNIQUE.
* gas/elf/type.s: Add unique global symbol definition.
* gas/elf/type.e: Add expected readelf output for global unique
symbol.
* elfcpp.h (enum STB): Add STB_GNU_UNIQUE.
* readelf.c (get_symbol_binding): For Linux targeted files return
UNIQUE for symbols with the STB_GNU_UNIQUE binding.
* doc/binutils.texi: Document the meaning of the 'u' symbol
binding in the output of nm and objdump --syms.
* elf-bfd.h (struct elf_link_hash_entry): Add unique_global field.
* elf.c (swap_out_syms): Set binding to STB_GNU_UNIQUE for symbols
with the BSF_GNU_UNIQUE flag bit set.
* elfcode.h (elf_slurp_symbol_table): Set the BSF_GNU_UNIQUE flag
for symbols with STB_GNU_UNIQUE binding.
* elflink.c (_bfd_elf_merge_symbol): Set unique_global for symbols
with the STB_GNU_UNIQUE binding.
(elf_link_add_object_symbols): Set the BSF_GNU_UNIQUE flag for
symbols with STB_GNU_UNIQUE binding. Set STB_GNU_UNIQUE for
symbols with the unique_global field set.
(elf_link_output_extsym): Set unique_global field for symbols with
the STB_GNU_UNIQUE binding.
* syms.c (struct bfd_symbol): Define BSF_GNU_UNIQUE flag bit.
(bfd_print_symbol_vandf): Print a 'u' character for BSF_GNU_UNIQUE
symbols.
(bfd_decode_symclass): Return a 'u' character for BSF_GNU_UNIQUE
symbols.
* bfd-in2.h: Regenerate.
* mount.h (fs_info::fsn): New member.
(fs_info::clear): Clear fsn.
(fs_info::fsname): New read accessor for fsn.
* mount.cc (fs_info::update): Fill in fsn member with lowercased
filesystem name if filesystem is not well-known. Fall back to
"unknown" if filesystem name is missing.
(fillout_mntent): Print filesystem name retrieved in fs_info::update
rather than static string "unknown".
* faq-using.xml (faq.using.ipv6): Try to clarify OS specific support.
* faq-what.xml (faq.what.supported): Add Windows 7 and 2008 R2.
* new-features.sgml: Add "and later" to rcmd news.
* mount.cc (do_mount): Replace --no-executable flag with notexec
mount option in hint for remote filesystems.
* path.cc (getmntent): Fix typo (noexec -> notexec).
* fhandler.h (enum del_lock_called_from): New enumeration.
(fhandler_base::del_my_locks): Declare taking a del_lock_called_from
as argument.
* fhandler.cc (fhandler_base::close): Call del_my_locks with "on_close".
(fhandler_base::fixup_after_fork): Call del_my_locks with "after_fork".
(fhandler_base::fixup_after_exec): Call del_my_locks with "after_exec".
* flock.cc (fhandler_base::del_my_locks): Take del_lock_called_from
as argument. Call node->del_my_locks with NULL handle in after_exec
case. Explain why.
* Makefile.in (path-mount.o): Add a rule to build stripped down version
of path.cc for usage in mount.
(mount.exe): Add dependency to path-mount.o.
* mount.cc (force): Convert to bool value. Accommodate throughout.
(from_fstab): New function.
(do_mount_from_fstab): New function.
(longopts): Add --all option.
(opts): Add -a option.
(usage): Document -a/--all option.
(main): Handle -a option as well as single parameter.
* path.cc: Add FSTAB_ONLY conditional to allow building path-mount.o.
(mount_table): Remove static storage class.
(max_mount_entry): Ditto.
(root_here): Unused. Remove.
(from_fstab_line): Remove static.
* path.h (struct mnt_t): Define here rather than in path.cc.
(from_fstab_line): Declare.
(mount_table): Declare.
(max_mount_entry): Declare.
* utils.sgml (mount): Document -a/--all option and mounting of single
path from fstab files.
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Add special case
for MVFS. Explain why.
(fhandler_disk_file::utimens): Drop local variables lastaccess and
lastwrite. Copy timestamps right into FILE_BASIC_INFORMATION structure
to avoid copying them twice.
* wincap.h (wincaps::has_always_all_codepages): New element.
* wincap.cc: Implement above element throughout.
* wchar.h (__sjis_mbtowc): Declare.
(__eucjp_mbtowc): Ditto.
(__gbk_mbtowc): Ditto.
(__kr_mbtowc): Ditto.
(__big5_mbtowc): Ditto.
* syscalls.cc (internal_setlocale): Convert to char * function.
Return parameter by default. Return NULL if request to use a
charset can't be satisfied due to missing codepage support in the
underlying OS. Fix comment.
(setlocale): Store original locale. Restore to original locale if
internal_setlocale returns NULL.
* cpu_features.c: replace gcc-specific construct with portable alternative
and match the code a few lines above.
* crt1.c: remove gcc-specific noreturn attribute with mingw alternative
Chris Sutcliffe [Sat, 18 Jul 2009 01:39:52 +0000 (01:39 +0000)]
2009-07-17 Chris Sutcliffe <ir0nh34d@users.sourceforge.net>
* mingwex/math/cephes_mconf.h mingwex/math/erfl.c mingwex/math/lgamma.c
mingwex/math/lgammal.c mingwex/math/powl.c mingwex/math/sinhl.c
mingwex/math/tanhl.c mingwex/math/tgamma.c mingwex/math/tgammal.c: Based on
the fixes from the mingw-w64 code tree, fixed strict-aliasing issues.
* cygtls.cc (_cygtls::init_exception_handler): Test for e, not e->prev or we
could still end up adding our handler twice. Add comment explaining what we're
doing.
* dll_init.cc (dll_dllcrt0_1): Clarify comment.
* globals.cc: Reorder constant UNICODE_STRINGs for clarity.
* mount.h (fs_info::sttaus): Move filesystem type flags into
substructure. Add union to allow simple test for having set any
one filesystem type flag. Replace has_buggy_open flag with is_sunwnfs
flag. Replace has_buggy_fileid_dirinfo with is_unixfs flag.
(fs_info::got_fs): New private method.
(fs_info::has_buggy_open): New explicit implementation.
(fs_info::has_buggy_fileid_dirinfo): Ditto.
* mount.cc (fs_info::update): Optimize filesystem checks for speed.
* winsup.h (IMPLEMENT_STATUS_FLAG): Change write accessor to return
value just set.
* fhandler_netdrive.cc (GET_RESOURCE_INFO): Remove.
(thread_netdrive): Drop GET_RESOURCE_INFO case.
(fhandler_netdrive::exists): Use GET_RESOURCE_OPENENUM info class
to check for existance.
Throughout avoid having to initialize constant UNICODE_STRINGs.
* globals.cc: Define constant UNICODE_STRINGs and store in .rdata
section.
* fhandler_disk_file.cc: Throughout, use readonly UNICODE_STRINGs
rather then initializing local UNICODE_STRING variable where
applicable.
* fhandler_mem.cc (fhandler_dev_mem::open): Ditto.
* flock.cc (inode_t::inode_t): Ditto.
* mmap.cc: Ditto.
* syscalls.cc: Ditto.
* mount.cc (fs_info::update): Ditto.
* path.cc: Ditto.
* ntdll.h (RtlEqualUnicodePathPrefix): Redefine to take prefix as
UNICODE_STRING.
(RtlEqualUnicodePathSuffix): Redefine to take suffix as UNICODE_STRING.
* fhandler_disk_file.cc: Accommodate throughout.
* mount.cc (fs_info::update): Ditto.
* path.cc (cwdstuff::set): Ditto.
* syscalls.cc: Ditto.
* mingwex/gdtoa/README.mingw mingwex/gdtoa/gdtoa_fltrnds.h: New files.
* mingwex/gdtoa/README mingwex/gdtoa/dmisc.c mingwex/gdtoa/dtoa.c
mingwex/gdtoa/g__fmt.c mingwex/gdtoa/g_dfmt.c mingwex/gdtoa/g_ffmt.c
mingwex/gdtoa/g_xfmt.c mingwex/gdtoa/gd_arith.h mingwex/gdtoa/gd_qnan.h
mingwex/gdtoa/gdtoa.c mingwex/gdtoa/gdtoa.h mingwex/gdtoa/gdtoaimp.h
mingwex/gdtoa/gethex.c mingwex/gdtoa/gmisc.c mingwex/gdtoa/hd_init.c
mingwex/gdtoa/hexnan.c mingwex/gdtoa/misc.c mingwex/gdtoa/qnan.c
mingwex/gdtoa/smisc.c mingwex/gdtoa/strtodg.c mingwex/gdtoa/strtodnrp.c
mingwex/gdtoa/strtof.c mingwex/gdtoa/strtopx.c mingwex/gdtoa/sum.c
mingwex/gdtoa/ulp.c: Update the gdtoa library to match the netlib.org
sources as of Apr. 20, 2009. Update further to match the sources in
the mingw-w64 tree as of June 28, 2009, by removing IBM, CRAY and VAX
code, removing KR_headers, ANSI, Void and Char ifdefs, renaming the
double/ulong union from U to dbl_union for better grepping and white-
space tidy-ups.
* Makefile.in: Don't do anything special with any RCS directories.
* ntdll.h (PROCESSINFOCLASS): Remove unneeded trailing comma.
* pinfo.cc (_pinfo::dup_proc_pipe): Remove unneeded assignment.
* sigproc.cc (sig_send): Don't send signal to myself if this is an exec stub.
Dave Korn [Tue, 7 Jul 2009 20:12:44 +0000 (20:12 +0000)]
winsup/ChangeLog:
* Makefile.common (COMPILE_CXX): Add support for per-file overrides
to exclude $(nostdinc) and $(nostdincxx) from compiler flags.
(COMPILE_CC): Likewise for $(nostdinc).
winsup/cygwin/ChangeLog:
* Makefile.in (DLL_OFILES): Add libstdcxx_wrapper.o
(libstdcxx_wrapper_CFLAGS): Add flags for new module.
(_cygwin_crt0_common_STDINCFLAGS): Define per-file override.
(libstdcxx_wrapper_STDINCFLAGS, cxx_STDINCFLAGS): Likewise.
* cxx.cc: Include "cygwin-cxx.h".
(operator new): Tweak prototype for full standards compliance.
(operator new[]): Likewise.
(operator new (nothrow)): New fallback function.
(operator new[] (nothrow), operator delete (nothrow),
operator delete[] (nothrow)): Likewise.
(default_cygwin_cxx_malloc): New struct of pointers to the above,
for final last-resort fallback default.
* cygwin-cxx.h: New file.
(struct per_process_cxx_malloc): Define.
(default_cygwin_cxx_malloc): Declare extern.
* cygwin.din (__wrap__ZdaPv): Export new wrapper.
(__wrap__ZdaPvRKSt9nothrow_t, __wrap__ZdlPv,
__wrap__ZdlPvRKSt9nothrow_t, __wrap__Znaj,
__wrap__ZnajRKSt9nothrow_t, __wrap__Znwj,
__wrap__ZnwjRKSt9nothrow_t): Likewise.
* globals.cc (__cygwin_user_data): Init newly-repurposed 'forkee'
field (now 'cxx_malloc') to point to default_cygwin_cxx_malloc.
* libstdcxx_wrapper.cc: New file.
(__wrap__ZdaPv, __wrap__ZdaPvRKSt9nothrow_t, __wrap__ZdlPv,
__wrap__ZdlPvRKSt9nothrow_t, __wrap__Znaj,
__wrap__ZnajRKSt9nothrow_t, __wrap__Znwj,
__wrap__ZnwjRKSt9nothrow_t): Define wrapper functions for libstdc++
malloc operators and their overrides.
* winsup.h (default_cygwin_cxx_malloc): Declare extern.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* include/sys/cygwin.h (struct per_process_cxx_malloc): Forward
declare here.
(struct per_process::forkee): Rename and repurpose from this ...
(struct per_process::cxx_malloc): ... to this.
* lib/_cygwin_crt0_common.cc: Include cygwin-cxx.h.
(WEAK): Define shorthand helper macro.
(__cygwin_cxx_malloc): Define and populate with weak references
to whatever libstdc++ malloc operators will be visible at final
link time for Cygwin apps and dlls.
(_cygwin_crt0_common): Always look up cygwin DLL's internal
per_process data, and don't test for (impossible) failure. Inherit
any members of __cygwin_cxx_malloc that we don't have overrides
for from the DLL's default and store the resulting overall set of
overrides back into the DLL's global per_process data.
* cygtls.h (struct _local_storage): Add thread storage pointers for
memory used by socket select functions. Combine them into a single
struct select.
* cygtls.cc: Accommodate above change throughout.
(_cygtls::init_thread): Drop initalizing of sockevt to
INVALID_HANDLE_VALUE.
(_cygtls::fixup_after_fork): Reset sockevt to NULL.
(_cygtls::remove): Don't use sockevt value to bail out prematurely.
Set sockevt to NULL. Free malloced select members.
* select.h (struct select_socket_info): Drop max_w4 member.
* select.cc (thread_socket): Use INFINITE timeout value if number of
objects to wait for is <= MAXIMUM_WAIT_OBJECTS. Use num_w4 member
of select_socket_info struct rather than dropped max_w4.
(init_tls_select_info): New inline function to initialize TLS select
members.
(start_thread_socket): Just call init_tls_select_info to initialize TLS
select members and use them later on.
(socket_cleanup): Don't free select_socket_info pointer members since
they are thread local now.
* autoload.cc (SetParent): Add new import.
* fhandler.h (fhandler_console::create_invisible_console): Declare new
function.
(create_invisible_console_workaround): Ditto.
* fhandler_console.cc (fhandler_console::create_invisible_console): Define new
function.
(create_invisible_console_workaround): Ditto. Add too much code to deal with
broken Windows 7. Use a helper app to start an invisible console window.
(fhandler_console::need_invisible): Reorganize to use helper functions to
create invisible console.
* spawn.cc (spawn_guts): Avoid zeroing already zeroed fields in si.
* dcrt0.cc (jit_debug): New global.
(initial_env): Set jit_debug when we are automatically starting a gdb process.
* dtable.cc (dtable::get_debugger_info): Don't tty tricks when we are being
debugged by our own captive gdb, as determined by jit_debug == true.
(dtable::init_std_file_from_handle): Detect errors when initializing a tty
early rather than at random points later.
* fhandler.h (fhandler_*::init): Return int to indicate success/failure.
* fhandler.cc (fhandler_base::init): Reflect change in return value.
* pipe.cc (fhandler_pipe::init): Ditto.
(fhandler_pipe::create_selectable): Don't say we're retrying when we aren't.
* fhandler_console.cc (fhandler_console::init): Ditto. Return success/failure.
* fhandler_serial.cc (fhandler_serial::init): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::init): Ditto.
(fhandler_tty_slave::open): Make debugging output more detailed.
* tty.cc (tty_list::terminate): Don't close I/O handles before all slaves have
checked in.
(tty::slave_alive): Make a non-inlined function. Check if tty pipe handles can
be created as an additional exists check.
* tty.h (tty::slave_alive): Just define here.