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gcc/libbacktrace/ChangeLog
Tristan Gingold e24afc10e0 libbacktrace: add support of PE/COFF 
libbacktrace/
2015-05-29  Tristan Gingold  <gingold@adacore.com>

	* pecoff.c: New file.
	* Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
	* Makefile.in: Regenerate.
	* filetype.awk: Detect pecoff.
	* configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
	Add pecoff.
	* btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
	true.
	* backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
	* configure: Regenerate.
	* pecoff.c: New file.

From-SVN: r223859
2015-05-29 08:40:20 +00:00

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2015-05-29 Tristan Gingold <gingold@adacore.com>
* pecoff.c: New file.
* Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
* Makefile.in: Regenerate.
* filetype.awk: Detect pecoff.
* configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
Add pecoff.
* btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
true.
* backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
* configure: Regenerate.
* pecoff.c: New file.
2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
* Makefile.in: Regenerated with automake-1.11.6.
* aclocal.m4: Likewise.
* configure: Likewise.
2015-01-24 Matthias Klose <doko@ubuntu.com>
* configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
* configure: Regenerate.
2015-01-05 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/63784
* configure: Regenerated.
2014-11-11 David Malcolm <dmalcolm@redhat.com>
* ChangeLog.jit: New.
2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
PR target/63610
* configure: Regenerate.
2014-10-23 Ian Lance Taylor <iant@google.com>
* internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
Fix to return void *.
2014-05-08 Ian Lance Taylor <iant@google.com>
* mmap.c (backtrace_free): If freeing a large aligned block of
memory, call munmap rather than holding onto it.
(backtrace_vector_grow): When growing a vector, double the number
of pages requested. When releasing the old version of a grown
vector, pass the correct size to backtrace_free.
2014-03-07 Ian Lance Taylor <iant@google.com>
* sort.c (backtrace_qsort): Use middle element as pivot.
2014-03-06 Ian Lance Taylor <iant@google.com>
* sort.c: New file.
* stest.c: New file.
* internal.h (backtrace_qsort): Declare.
* dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
(read_line_info, read_function_entry): Likewise.
(read_function_info, build_dwarf_data): Likewise.
* elf.c (elf_initialize_syminfo): Likewise.
* Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
(stest_SOURCES, stest_LDADD): Define.
(check_PROGRAMS): Add stest.
2014-02-07 Misty De Meo <misty@brew.sh>
PR target/58710
* configure.ac: Use AC_LINK_IFELSE in check for
_Unwind_GetIPInfo.
* configure: Regenerate.
2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
Update copyright years
2013-12-06 Jakub Jelinek <jakub@redhat.com>
* elf.c (ET_DYN): Undefine and define again.
(elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
return early -1 without closing the descriptor.
(struct phdr_data): Add exe_descriptor.
(phdr_callback): If pd->exe_descriptor is not -1, for very first
call if dlpi_name is NULL just call elf_add with the exe_descriptor,
otherwise backtrace_close the exe_descriptor if not -1. Adjust
call to elf_add.
(backtrace_initialize): Adjust call to elf_add. If it returns
-1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
2013-12-05 Ian Lance Taylor <iant@google.com>
* alloc.c (backtrace_vector_finish): Add error_callback and data
parameters. Call backtrace_vector_release. Return address base.
* mmap.c (backtrace_vector_finish): Add error_callback and data
parameters. Return address base.
* dwarf.c (read_function_info): Get new address base from
backtrace_vector_finish.
* internal.h (backtrace_vector_finish): Update declaration.
2013-11-27 Ian Lance Taylor <iant@google.com>
* dwarf.c (find_address_ranges): New static function, broken out
of build_address_map.
(build_address_map): Call it.
* btest.c (check): Check for missing filename or function, rather
than crashing.
(f3): Check that enough frames were returned.
2013-11-19 Jakub Jelinek <jakub@redhat.com>
* backtrace.h (backtrace_syminfo_callback): Add symsize argument.
* elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
last argument.
* btest.c (struct symdata): Add size field.
(callback_three): Add symsize argument. Copy it to the data->size
field.
(f23): Set symdata.size to 0.
(test5): Likewise. If sizeof (int) > 1, lookup address of
((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
values.
* atomic.c: Include sys/types.h.
2013-11-18 Ian Lance Taylor <iant@google.com>
* configure.ac: Check for support of __atomic extensions.
* internal.h: Declare or #define atomic functions for use in
backtrace code.
* atomic.c: New file.
* dwarf.c (dwarf_lookup_pc): Use atomic functions.
(dwarf_fileline, backtrace_dwarf_add): Likewise.
* elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
(backtrace_initialize): Likewise.
* fileline.c (fileline_initialize): Likewise.
* Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
* configure, config.h.in, Makefile.in: Rebuild.
2013-11-18 Jakub Jelinek <jakub@redhat.com>
* elf.c (SHN_UNDEF): Define.
(elf_initialize_syminfo): Add base_address argument. Ignore symbols
with st_shndx == SHN_UNDEF. Add base_address to address fields.
(elf_add): Adjust caller.
* elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
2013-11-16 Ian Lance Taylor <iant@google.com>
* backtrace.h (backtrace_create_state): Correct comment about
threading.
2013-11-15 Ian Lance Taylor <iant@google.com>
* backtrace.h (backtrace_syminfo): Update comment and parameter
name to take any address, not just a PC value.
* elf.c (STT_OBJECT): Define.
(elf_nosyms): Rename parameter pc to addr.
(elf_symbol_search): Rename local variable pc to addr.
(elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
(elf_syminfo): Rename parameter pc to addr.
* btest.c (global): New global variable.
(test5): New test.
(main): Call test5.
2013-10-17 Ian Lance Taylor <iant@google.com>
* elf.c (elf_add): Don't get the wrong offsets if a debug section
is missing.
2013-10-15 David Malcolm <dmalcolm@redhat.com>
* configure.ac: Add --enable-host-shared, setting up
pre-existing PIC_FLAG variable within Makefile.am et al.
* configure: Regenerate.
2013-09-20 Alan Modra <amodra@gmail.com>
* configure: Regenerate.
2013-07-23 Alexander Monakov <amonakov@ispras.ru>
* elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
2013-07-23 Alexander Monakov <amonakov@ispras.ru>
* elf.c (backtrace_initialize): Pass elf_fileline_fn to
dl_iterate_phdr callbacks.
2013-03-25 Ian Lance Taylor <iant@google.com>
* alloc.c: #include <sys/types.h>.
* mmap.c: Likewise.
2013-01-31 Ian Lance Taylor <iant@google.com>
* dwarf.c (read_function_info): Permit fvec parameter to be NULL.
(dwarf_lookup_pc): Don't use ddata->fvec if threaded.
2013-01-25 Jakub Jelinek <jakub@redhat.com>
PR other/56076
* dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
attribute was not seen.
2013-01-16 Ian Lance Taylor <iant@google.com>
* dwarf.c (struct unit): Add filename and abs_filename fields.
(build_address_map): Set new fields when reading unit.
(dwarf_lookup_pc): If we don't find an entry in the line table,
just return the main file name.
2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
Update copyright years.
2013-01-01 Ian Lance Taylor <iant@google.com>
PR bootstrap/54834
* Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
$(MULTIBUILDTOP)/../../gcc/include.
* Makefile.in: Rebuild.
2013-01-01 Ian Lance Taylor <iant@google.com>
PR other/55536
* mmap.c (backtrace_alloc): Don't call sync functions if not
threaded.
(backtrace_free): Likewise.
2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* mmapio.c: Define MAP_FAILED if not defined.
2012-12-11 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/54926
* Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
* configure.ac: If --with-target-subdir, add -frandom-seed=$@
to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
accepts it.
* Makefile.in: Regenerated.
* configure: Regenerated.
2012-12-07 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/54926
* Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
* Makefile.in: Regenerated.
2012-11-20 Ian Lance Taylor <iant@google.com>
* dwarf.c (read_attribute): Always clear val.
2012-11-13 Ian Lance Taylor <iant@google.com>
PR other/55312
* configure.ac: Only add -Werror if building a target library.
* configure: Rebuild.
2012-11-12 Ian Lance Taylor <iant@google.com>
Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Gerald Pfeifer <gerald@pfeifer.com>
* configure.ac: Check for getexecname.
* fileline.c: #include <errno.h>. Define getexecname if not
available.
(fileline_initialize): Try to find the executable in a few
different ways.
* print.c (error_callback): Only print the filename if it came
from the backtrace state.
* configure, config.h.in: Rebuild.
2012-10-29 Ian Lance Taylor <iant@google.com>
* mmap.c (backtrace_vector_release): Correct last patch: add
aligned, not size.
2012-10-29 Ian Lance Taylor <iant@google.com>
* mmap.c (backtrace_vector_release): Make sure freed block is
aligned on 8-byte boundary.
2012-10-26 Ian Lance Taylor <iant@google.com>
PR other/55087
* posix.c (backtrace_open): Add does_not_exist parameter.
* elf.c (phdr_callback): Do not warn if shared library could not
be opened.
* fileline.c (fileline_initialize): Update calls to
backtrace_open.
* internal.h (backtrace_open): Update declaration.
2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
PR target/55061
* configure.ac: Check for _Unwind_GetIPInfo function declaration.
* configure: Regenerate.
2012-10-24 Ian Lance Taylor <iant@google.com>
PR target/55061
* configure.ac: Check whether -funwind-tables option works.
* configure: Rebuild.
2012-10-11 Ian Lance Taylor <iant@google.com>
* configure.ac: Do not use dl_iterate_phdr on Solaris 10.
* configure: Rebuild.
2012-10-10 Ian Lance Taylor <iant@google.com>
* elf.c: Rename all Elf typedefs to start with b_elf, and be all
lower case.
2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
* elf.c (elf_add_syminfo_data): Add casts to avoid warning.
2012-10-09 Ian Lance Taylor <iant@google.com>
* dwarf.c (dwarf_fileline): Add cast to avoid warning.
(backtrace_dwarf_add): Likewise.
2012-10-09 Ian Lance Taylor <iant@google.com>
Add support for tracing through shared libraries.
* configure.ac: Check for link.h and dl_iterate_phdr.
* elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
ELF macros before #defining them.
(dl_phdr_info, dl_iterate_phdr): Define if system does not have
dl_iterate_phdr.
(struct elf_syminfo_data): Add next field.
(elf_initialize_syminfo): Initialize next field.
(elf_add_syminfo_data): New static function.
(elf_add): New static function, broken out of
backtrace_initialize. Call backtrace_dwarf_add instead of
backtrace_dwarf_initialize.
(struct phdr_data): Define.
(phdr_callback): New static function.
(backtrace_initialize): Call elf_add.
* dwarf.c (struct dwarf_data): Add next and base_address fields.
(add_unit_addr): Add base_address parameter. Change all callers.
(add_unit_ranges, build_address_map): Likewise.
(add_line): Add ddata parameter. Change all callers.
(read_line_program, add_function_range): Likewise.
(dwarf_lookup_pc): New static function, broken out of
dwarf_fileline.
(dwarf_fileline): Call dwarf_lookup_pc.
(build_dwarf_data): New static function.
(backtrace_dwarf_add): New function.
(backtrace_dwarf_initialize): Remove.
* internal.h (backtrace_dwarf_initialize): Don't declare.
(backtrace_dwarf_add): Declare.
* configure, config.h.in: Rebuild.
2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
* btest.c (f23): Avoid uninitialized variable warning.
2012-10-04 Ian Lance Taylor <iant@google.com>
* dwarf.c: If the system header files do not declare strnlen,
provide our own version.
2012-10-03 Ian Lance Taylor <iant@google.com>
* dwarf.c (read_uleb128): Fix overflow test.
(read_sleb128): Likewise.
(build_address_map): Don't change unit_buf.start.
2012-10-02 Uros Bizjak <ubizjak@gmail.com>
PR other/54761
* configure.ac (EXTRA_FLAGS): New.
* Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
* configure, Makefile.in: Regenerate.
2012-09-29 Ian Lance Taylor <iant@google.com>
PR other/54749
* fileline.c (fileline_initialize): Pass errnum as -1 when
reporting that we could not read executable information after a
previous failure.
2012-09-27 Ian Lance Taylor <iant@google.com>
PR bootstrap/54732
* configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
* Makefile.am: Add dependencies for all objects.
* configure, aclocal.m4, Makefile.in: Rebuild.
2012-09-27 Ian Lance Taylor <iant@google.com>
PR other/54726
* elf.c (backtrace_initialize): Set *fileln_fn, not
state->fileln_fn.
2012-09-19 Ian Lance Taylor <iant@google.com>
* configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
as a target library.
* configure: Rebuild.
2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Ian Lance Taylor <iant@google.com>
* configure.ac (GCC_HEADER_STDINT): Invoke.
* backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
* btest.c: Don't include <stdint.h>.
* dwarf.c: Likewise.
* configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
2012-09-18 Ian Lance Taylor <iant@google.com>
PR bootstrap/54623
* Makefile.am (AM_CPPFLAGS): Define.
(AM_CFLAGS): Remove -I options.
* Makefile.in: Rebuild.
2012-09-18 Ian Lance Taylor <iant@google.com>
* posix.c (O_BINARY): Define if not defined.
(backtrace_open): Pass O_BINARY to open. Only call fcntl if
HAVE_FCNTL is defined.
* configure.ac: Test for the fcntl function.
* configure, config.h.in: Rebuild.
2012-09-18 Ian Lance Taylor <iant@google.com>
* btest.c (test1, test2, test3, test4): Add the unused attribute.
2012-09-18 Ian Lance Taylor <iant@google.com>
* dwarf.c: Correct test of HAVE_DECL_STRNLEN.
2012-09-18 Ian Lance Taylor <iant@google.com>
* configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
* mmapio.c: Don't define _GNU_SOURCE.
* configure, config.h.in: Rebuild.
2012-09-18 Ian Lance Taylor <iant@google.com>
* configure.ac: Check whether strnlen is declared.
* dwarf.c: Declare strnlen if not declared.
* configure, config.h.in: Rebuild.
2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* fileline.c: Include <stdlib.h>.
* mmap.c: Likewise.
2012-09-17 Ian Lance Taylor <iant@google.com>
PR bootstrap/54611
* nounwind.c (backtrace_full): Rename from backtrace. Add state
parameter.
2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
PR bootstrap/54611
* nounwind.c (backtrace_simple): Add state parameter.
2012-09-17 Ian Lance Taylor <iant@google.com>
PR bootstrap/54609
* unknown.c (unknown_fileline): Add state parameter, remove
fileline_data parameter, name error_callback parameter.
(backtrace_initialize): Add state parameter.
2012-09-17 Ian Lance Taylor <iant@google.com>
* Initial implementation.
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