Nick Clifton [Thu, 29 Sep 2011 11:06:49 +0000 (11:06 +0000)]
* arm/arm.h (HAVE_CALL_INDIRECT): Define.
* arm/crt0.S (indirect_call): New macro. Encodes indirect
function calls. Does not use blx for pre-armv5 targets.
gcc PR lto/47247
* plugin.cc (get_symbols_v2): New function.
(Plugin::load): Add LDPT_GET_SYMBOLS_V2.
(is_referenced_from_outside): New function.
(Pluginobj::get_symbol_resolution_info): Add version parameter, return
LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
(get_symbols): Pass version parameter.
(get_symbols_v2): New function.
* plugin.h (Pluginobj::get_symbol_resolution_info): Add version
parameter.
* testsuite/plugin_test.c (get_symbols_v2): New static variable.
(onload): Add LDPT_GET_SYMBOLS_V2.
(all_symbols_read_hook): Use get_symbols_v2; check for
LDPR_PREVAILING_DEF_IRONLY_EXP.
* testsuite/plugin_test_3.sh: Update expected results.
David S. Miller [Wed, 21 Sep 2011 20:49:15 +0000 (20:49 +0000)]
Annotate sparc objects with cpu hardware capabilities used.
bfd/
* elfxx-sparc.c (_bfd_sparc_elf_merge_private_bfd_data): New.
* elfxx-sparc.h: Declare it.
* elf32-sparc.c (elf32_sparc_merge_private_bfd_data): Call it.
* elf64-sparc.c (elf64_sparc_merge_private_bfd_data): Likewise.
binutils/
* readelf.c (display_sparc_hwcaps): New.
(display_sparc_gnu_attribute): New.
(process_sparc_specific): New.
(process_arch_specific): When EM_SPARC, EM_SPARC32PLUS,
or EM_SPARCV9 invoke process_sparc_specific.
gas/
* config/tc-sparc.c (hwcap_seen): New bitmask, defined when
not TE_SOLARIS.
(sparc_ip): When not TE_SOLARIS, accumulate hwcap bits from
sparc_opcode->flags of instruction into hwcap_seen.
(sparc_md_end): Create Tag_GNU_Sparc_HWCAPS attribute if
hwcap_seen is non-zero and not TE_SOLARIS.
gas/testsuite/
* gas/sparc/hpcvis3.s: Update for fixed fchksum16 mnemonic.
* gas/sparc/hpcvis3.d: Likewise.
include/elf/
* sparc.h (Tag_GNU_Sparc_HWCAPS): New object attribute.
(ELF_SPARC_HWCAP_*): New HWCAPS bitmask values.
include/opcode/
* sparc.h (struct sparc_opcode): Expand 'flags' to unsigned int.
(F_MUL32, F_DIV32, F_FSMULD, F_V8PLUS, F_POPC, F_VIS, F_VIS2,
F_ASI_BLK_INIT, F_FMAF, F_VIS3, F_HPC, F_RANDOM, F_TRANS,
F_FJFMAU, F_IMA, F_ASI_CACHE_SPARING): New flag bits.
opcodes/
* sparc-opc.c (sparc_opcodes): Annotate table with HWCAP flag
bits. Fix "fchksm16" mnemonic.
H.J. Lu [Fri, 16 Sep 2011 01:15:19 +0000 (01:15 +0000)]
Check if a symbol is hidden by linker script.
bfd/
2011-09-15 H.J. Lu <hongjiu.lu@intel.com>
PR ld/12975
* bfd-in.h (bfd_elf_size_dynamic_sections): Remove pointer
to struct bfd_elf_version_tree.
* elflink.c (elf_info_failed): Remove verdefs.
(_bfd_elf_export_symbol): Updated.
_bfd_elf_link_assign_sym_version): Likewise.
(bfd_elf_size_dynamic_sections): Remove pointer to struct
bfd_elf_version_tree. Updated.
(bfd_elf_gc_mark_dynamic_ref_symbol): Check if a symbol is hidden
by linker script.
Jon TURNEY [Thu, 15 Sep 2011 16:49:51 +0000 (16:49 +0000)]
* strace.cc (attach_process): Try to turn off DEBUG_ONLY_THIS_PROCESS
if Attaching to a process with the trace-children flag set.
(handle_output_debug_string): Apparently we don't need to explicitly
attach for debugging when a child process starts
* Makefile.in (strace.exe): Link with ntdll
* dlfcn.cc (gfpod_helper): Helper function to search DLL using
a given DLL name. Change default search path to allow /usr/bin.
(get_full_path_of_dll): Find DLLs even if the caller used a ".so"
suffix or a "lib" prefix for the DLL.
Corinna Vinschen [Mon, 29 Aug 2011 13:50:25 +0000 (13:50 +0000)]
* flock.cc (LOCK_OBJ_NAME_LEN): Change to accommodate extra lf_ver
field.
(class lockf_t): Add lf_ver field.
(lockf_t::lockf_t): Initialize lf_ver to 0.
(class inode_t): Change i_wait to i_cnt. Change comment to explain
change in usage.
(inode_t:use): Rename from wait. Make private.
(inode_t::unuse): Rename from unwait. Make private.
(inode_t::inuse): Rename from waiting. Make private.
(inode_t::notused): New public method to set use count to 0.
(inode_t::unlock_and_remove): New method to unlock node and to delete
it if it's unused in current process.
(fhandler_base::del_my_locks): Drop global list lock. Drop variable
no_locks_left. Simpify unlocking and removing node by just calling
unlock_and_remove.
(fixup_lockf_after_exec): Call notused method for each node.
(inode_t::get): Call use method. Lock node only if outside of list
lock.
(inode_t::get_all_locks_list): Accommodate additional lf_ver field
when creating lockf_t structure from object name.
(lockf_t::create_lock_obj_attr): Accommodate additional lf_ver field
when creating object name from lockf_t structure. Handle
STATUS_OBJECT_NAME_COLLISION gracefully in F_POSIX case as well.
Change comment accordingly. Increment lf_ver field rather than high
byte of lf_wid field. Simplify comment.
(fhandler_disk_file::lock): Always call unlock_and_remove rather than
just UNLOCK on node.
(lf_setlock): Move ret definition where it's used. Drop unneeded
tests for obj being not NULL. Only check for deadlock condition if the
lock we're trying to establish is a POSIX lock. Revamp object
collecting and wait code to cover all cases. Don't return with EDEADLK
if blocking process can't be opened for synchronization in F_POSIX case,
rather just wait like in F_FLOCK case. Change system_printf to
debug_printf in that case. Only run WaitForMultipleObjects with high
priority. Close obj and process handles prior to locking node.
Corinna Vinschen [Sat, 27 Aug 2011 20:01:29 +0000 (20:01 +0000)]
* fhandler.cc (fhandler_base::open): Fix typo in comment.
(fhandler_base::close): Move call to del_my_locks from here...
* fhandler_disk_file.cc (fhandler_disk_file::open): ...to here.
* flock.cc (struct lockfattr_t): New type.
(lockf_t::close_lock_obj): New method, use throughout.
(lockf_t::create_lock_obj_attr): New method.
(lockf_t::create_lock_obj): Use create_lock_obj_attr method. Handle
STATUS_OBJECT_NAME_COLLISION in F_FLOCK case gracefully. Add lengthy
comments to explain why and how.
(lockf_t::open_lock_obj): Use create_lock_obj_attr method.
(lockf_t::del_lock_obj): Call NtSetEvent rather than SetEvent for
symmetry.
(fhandler_disk_file::lock): Define n only where it's used. Call
need_fork_fixup only if call was successful. Handle EINTR and
ECANCELED return values from lf_setlock.
(lf_setlock): Drop WAIT_UNLOCKED and WAIT_PROC_EXITED. Don't wait
for event object handle count to become <= 1 in F_LOCK case.
Simplify WFMO return value handling. Don't handle signal and cancel
events here; just return with appropriate error code instead.
(lf_getblock): Ignore locks for which the handle can't be opened.
Use IsEventSignalled.
* ntdll.h (STATUS_INVALID_INFO_CLASS): Undef if defined elsewhere to
make sure the definition is casted to NTSTATUS.
(STATUS_INVALID_HANDLE): Define and ditto.
(STATUS_OBJECT_NAME_COLLISION): Define.
(NtSetEvent): Declare.
Corinna Vinschen [Thu, 25 Aug 2011 13:35:43 +0000 (13:35 +0000)]
* fhandler.cc (fhandler_base::open): Never open files with
FILE_OVERWITE/FILE_OVERWRITE_IF. Set file size to 0 explicitely if
regular, existing file has been opened for writing with O_TRUNC flag
set. Explain why.
Corinna Vinschen [Wed, 24 Aug 2011 15:18:17 +0000 (15:18 +0000)]
* thread.cc (pthread::pthread): Drop setting parent_tls. Call
sigprocmask to copy parent thread signal mask into new parent_sigmask
member.
(pthread::thread_init_wrapper): Copy _my_tls.sigmask from new
parent_sigmask member.
* thread.h (class pthread): Drop parent_tls. Add parent_sigmask.
Corinna Vinschen [Tue, 23 Aug 2011 14:05:04 +0000 (14:05 +0000)]
* poll.cc (poll): Don't return prematurely if invalid fds have been
encountered. Enforce timeout set to 0 in case of invalid fds. Take
number of invalid fds into account when returning.
* libc/posix/regexec.c: Define "nope" only #ifndef NDEBUG.
* libc/stdio/vfscanf.c: Define "state" only #ifdef _MB_CAPABLE.
* libc/string/wcwidth.c: Include <wctypes.h> for "iswprint" and
"iswcntrl".
* libc/string/index.c: Include <strings.h> for "index".
* libc/string/rindex.c: Include <strings.h> for "rindex".
* libc/string/strcasecmp.c: Include <strings.h> for "strcasecmp".
Don't include <string.h>.
* libc/string/strncasecmp.c: Include <strings.h> for "strncasecmp".
Don't include <string.h>.
* libc/string/bzero.c: Include <strings.h> for "bzero".
Don't include <string.h>
* libc/misc/ffs.c: Include <strings.h> for "ffs".
Don't include <_ansi.h>.
Corinna Vinschen [Sat, 20 Aug 2011 18:55:45 +0000 (18:55 +0000)]
* fhandler_process.cc (format_process_maps): Define page protection
shortcuts RO, X, and WC. Use in creating access flag string. Don't
set type flag to 's' for copy-on-write pages, as on Linux.
* dtable.cc: Mark some const variables as static.
* environ.cc (conv_start_chars): Move to shared cygwin region and initialize at
compile time.
(match_first_char): New generic function for querying conv_start_chars.
(posify_maybe): Rename from posify.
(environ_init): Remove conv_envvars initialization. Don't check
conv_start_chars, just allow posify_maybe to make the decision.
* fhandler_console.cc (__vt100_conv): Fix formatting. Mark as const.
* libc/stdio/vasiprintf.c: Include "local.h" for "_svfiprintf_r".
* libc/stdio/vasprintf.c Include "local.h" for "_svfprintf_r".
* libc/stdio/vsiprintf.c: Include "local.h" for "_svfiprintf_r".
* libc/stdio/vsniprintf.c: Include "local.h" for "_svfiprintf_r".
* libc/stdio/vsnprintf.c: Include "local.h" for "_svfprintf_r"
* libc/stdio/vsprintf.c: Include "local.h" for "_svfprintf_r"
* libc/string/bcmp.c: Include <strings.h> for "bcmp".
* libc/string/bcopy.c: Include <strings.h> for "bcopy".
* libc/string/strcasestr.c: Include <strings.h> for "strncasecmp".
* libc/time/strptime.c: Include <strings.h> for "strncasecmp".
Joel Brobecker [Fri, 19 Aug 2011 15:48:36 +0000 (15:48 +0000)]
Include the <root>/cpu/ dir in GDB releases
This directory contains some files that are used to generate some
of the files included in the GDB release, and thus must be part of
the GDB release also.
Corinna Vinschen [Fri, 19 Aug 2011 13:10:01 +0000 (13:10 +0000)]
* fhandler_console.cc (fhandler_console::read): Recognize backspace key
using the device independent key code, rather than the device dependent
scan code.
Corinna Vinschen [Tue, 16 Aug 2011 14:44:26 +0000 (14:44 +0000)]
* autoload.cc (GetModuleHandleExW): Define.
* dlfcn.cc: Throughout mark exported symbols as extern "C".
(dlopen): Unignore flags argument. Define ret to NULL. Fix typo in
comment. Support Glibc flags RTLD_NOLOAD and RTLD_NODELETE.
* include/dlfcn.h: Clean up comments.
(RTLD_NODELETE): Define.
(RTLD_NOLOAD): Define.
(RTLD_DEEPBIND): Define.
Corinna Vinschen [Sat, 13 Aug 2011 10:28:15 +0000 (10:28 +0000)]
* miscfuncs.cc (CreatePipeOverlapped): New function.
(ReadPipeOverlapped): Ditto.
(WritePipeOverlapped): Ditto.
* miscfuncs.h: Declare new functions.
* pinfo.cc (commune_process): Call WritePipeOverlapped instead of
WriteFile. Set timeout to 1 sec.
(_pinfo::commune_request): Call ReadPipeOverlapped instead of ReadFile.
Set timeout to 0.5 secs.
* sigproc.cc (sig_send): Create pipe using CreatePipeOverlapped.
Corinna Vinschen [Fri, 12 Aug 2011 13:51:21 +0000 (13:51 +0000)]
* new-features.sgml (ov-new1.7.10): Document large address awareness
of heap and new way to set the default heap size per executable.
* setup2.sgml (setup-maxmem): Revamp to explain new method of
allocating more heap on a per-executable basis. Drop outdated stuff.
Keep shortened description of heap_chunk_in_mb as note.
Corinna Vinschen [Fri, 12 Aug 2011 12:31:08 +0000 (12:31 +0000)]
* fhandler.h (fhandler_proc::opendir): Declare.
(fhandler_proc::closedir): Declare.
* fhandler_proc.cc (fhandler_proc::opendir): New method. Fetch list
of active processes here once to avoid potential duplicates.
(fhandler_proc::closedir): New method.
Corinna Vinschen [Thu, 11 Aug 2011 16:43:26 +0000 (16:43 +0000)]
* fhandler_proc.cc (fhandler_proc::get_proc_fhandler): Don't allow to
access process info by using the Windows PID.
* fhandler_process.cc (fhandler_process::fstat): Ditto.
(fhandler_process::fill_filebuf): Ditto.
Corinna Vinschen [Thu, 11 Aug 2011 07:28:42 +0000 (07:28 +0000)]
* (winpids::add): Make sure to store always a Windows PID in
pidlist, even if pid is a Cygwin PID.
(winpids::enum_processes): Fetch Cygwin processes from listing of
shared cygwin object dir in the native NT namespace. Only if winpid
is true, fetch Windows processes using an additional call to
NtQuerySystemInformation.
Corinna Vinschen [Wed, 10 Aug 2011 13:13:09 +0000 (13:13 +0000)]
* fhandler_process.cc (format_process_status): Always print process name
even for zombies.
(get_mem_values): Fix loop fetching working set list to avoid out of
memory conditions. Return all mem values set to 0 for zombies.
* ntdll.h (STATUS_PROCESS_IS_TERMINATING): Define.
* doc/as.texinfo: Document -mmcu and -mno-mcu options.
* doc/c-mips.texi: Likewise, and document ".set mcu" and
".set nomcu" directives.
gas/testsuite/
* gas/mips/micromips@mcu.d: New test.
* gas/mips/mcu.d: Likewise.
* gas/mips/mcu.s: New test source.
* gas/mips/mips.exp: Run the new tests.
include/opcode/
* mips.h (OP_MASK_3BITPOS, OP_SH_3BITPOS): New macros.
(OP_MASK_OFFSET12, OP_SH_OFFSET12): Redefine.
(INSN_ASE_MASK): Add the MCU bit.
(INSN_MCU): New macro.
(M_ACLR_AB, M_ACLR_OB, M_ASET_AB, M_ASET_OB): New enum values.
(MICROMIPSOP_MASK_3BITPOS, MICROMIPSOP_SH_3BITPOS): New macros.
opcodes/
* mips-dis.c (mips_arch_choices): Enable MCU for "mips32r2"
and "mips64r2".
(print_insn_args, print_insn_micromips): Handle MCU.
* micromips-opc.c (MC): New macro.
(micromips_opcodes): Add "aclr", "aset" and "iret".
* mips-opc.c (MC): New macro.
(mips_builtin_opcodes): Add "aclr", "aset" and "iret".
* heap.cc (eval_initial_heap_size): New function fetching the heap
size from the LoaderFlags field in the PE/COFF header.
(heap_init): Call eval_initial_heap_size rather than
cygwin_shared->heap_chunk_size to fetch the initial heap size.
* shared.cc (shared_info::heap_chunk_size): Remove.
* shared_info.h (class shared_info): Drop heap_chunk member.
(CURR_SHARED_MAGIC): Update.
* mach-o.h (bfd_mach_o_version_min_command): New structure.
(bfd_mach_o_load_command): Add version_min.
(mach_o_data_struct): Fix comment.
* mach-o.c (bfd_mach_o_read_version_min): New function.
(bfd_mach_o_read_command): Handle BFD_MACH_O_LC_FUNCTION_STARTS,
BFD_MACH_O_LC_VERSION_MIN_MACOSX and
BFD_MACH_O_LC_VERSION_MIN_IPHONEOS.
(bfd_mach_o_get_name_or_null): New function.
(bfd_mach_o_get_name): Use the above new one.
(bfd_mach_o_load_command_name): Add the above new commands.
(bfd_mach_o_bfd_print_private_bfd_data): Display numerically
unknown commands. Handle BFD_MACH_O_LC_FUNCTION_STARTS,
BFD_MACH_O_LC_VERSION_MIN_MACOSX and
BFD_MACH_O_LC_VERSION_MIN_IPHONEOS.
David S. Miller [Fri, 5 Aug 2011 16:52:48 +0000 (16:52 +0000)]
include/opcode/
* sparc.h: Document new format codes '4', '5', and '('.
(OPF_LOW4, RS3): New macros.
opcodes/
* sparc-dis.c (v9a_ast_reg_names): Add "cps".
(X_RS3): New macro.
(print_insn_sparc): Handle '4', '5', and '(' format codes.
Accept %asr numbers below 28.
* sparc-opc.c (sparc_opcodes): Add entries for HPC and VIS3
instructions.
gas/
* config/tc-sparc.c (v9a_asr_table): Add "cps".
(sparc_ip): Handle '4', '5' and '(' format codes.
gas/testsuite
* gas/sparc/hpcvis3.d: New test.
* gas/sparc/hpcvis3.s: New test source.
* gas/sparc/sparc.exp: Run new test.
* cygwin.din (clock_nanosleep): Export.
* posix.sgml (std-notimpl): Move clock_nanosleep from here...
(std-susv4): ... to here.
(std-notes): Note limitations of clock_nanosleep.
* signal.cc (clock_nanosleep): Renamed from nanosleep, adding clock_id
and flags arguments and changing return values throughout.
Improve checks for illegal rqtp values. Add support for
CLOCK_MONOTONIC and TIMER_ABSTIME.
(nanosleep): Rewrite in terms of clock_nanosleep.
(sleep): Ditto.
(usleep): Ditto.
* thread.cc: Mark clock_nanosleep in list of cancellation points.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* dll_init.cc: Use fabort in favor of api_fatal and fork_info->abort where
appropriate throughout.
(fabort): Define.
(dll_list::topsort): Don't print sorting information. Fix formatting.
(dll_list::topsort_visit): Fix formatting.
(dll_list::load_after_fork_impl): Perform comment fixups.
* sigproc.cc (child_info_fork::abort): (for now?) Always print cause of fork
failure.
* include/sys/strace.h (strace_vprintf): Remove _STRACE_NOTALL when printing.
We really do want to see this.
Joel Sherrill [Mon, 1 Aug 2011 17:22:18 +0000 (17:22 +0000)]
2011-08-01 Sebastian Huber <sebastian.huber@embedded-brains.de>
* libc/include/sys/types.h: XML and RTEMS define
_UNIX98_THREAD_MUTEX_ATTRIBUTES and can use the standard
definitions. This avoids redefinition warnings.
* cygthread.cc (cygthread::async_create): Define new function.
* cygthread.h (cygthread::create): Use correct regparm.
(cygthread::standalone): Delete from class and from all constructors.
(cygthread::cygthread): Use three only arguments for detached threads, and
start the thread via QueueUserAPC/async_create.
* dcrt0.cc (dll_crt0_0): Remove handling for wincap.has_buggy_thread_startup.
(dll_crt0_1): Ditto.
* wincap.cc: Ditto throughout.
* wincap.h: Ditto.