2014-10-30 Release Manager * GCC 4.9.2 released. 2014-07-16 Release Manager * GCC 4.9.1 released. 2014-05-08 Ian Lance Taylor Backport from mainline: * 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. 2014-04-22 Release Manager * GCC 4.9.0 released. 2014-03-07 Ian Lance Taylor * sort.c (backtrace_qsort): Use middle element as pivot. 2014-03-06 Ian Lance Taylor * 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 PR target/58710 * configure.ac: Use AC_LINK_IFELSE in check for _Unwind_GetIPInfo. * configure: Regenerate. 2014-01-02 Richard Sandiford Update copyright years 2013-12-06 Jakub Jelinek * 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 * 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 * 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 * 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 * 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 * 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 * backtrace.h (backtrace_create_state): Correct comment about threading. 2013-11-15 Ian Lance Taylor * 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 * elf.c (elf_add): Don't get the wrong offsets if a debug section is missing. 2013-10-15 David Malcolm * 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 * configure: Regenerate. 2013-07-23 Alexander Monakov * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain. 2013-07-23 Alexander Monakov * elf.c (backtrace_initialize): Pass elf_fileline_fn to dl_iterate_phdr callbacks. 2013-03-25 Ian Lance Taylor * alloc.c: #include . * mmap.c: Likewise. 2013-01-31 Ian Lance Taylor * 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 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 * 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 Update copyright years. 2013-01-01 Ian Lance Taylor PR bootstrap/54834 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I $(MULTIBUILDTOP)/../../gcc/include. * Makefile.in: Rebuild. 2013-01-01 Ian Lance Taylor PR other/55536 * mmap.c (backtrace_alloc): Don't call sync functions if not threaded. (backtrace_free): Likewise. 2012-12-12 John David Anglin * mmapio.c: Define MAP_FAILED if not defined. 2012-12-11 Jakub Jelinek PR bootstrap/54926 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@. * configure.ac: If --with-target-subdir, add -frandom-seed=$@ to EXTRA_FLAGS unconditionally, otherwise check whether the compiler accepts it. * Makefile.in: Regenerated. * configure: Regenerated. 2012-12-07 Jakub Jelinek PR bootstrap/54926 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@. * Makefile.in: Regenerated. 2012-11-20 Ian Lance Taylor * dwarf.c (read_attribute): Always clear val. 2012-11-13 Ian Lance Taylor PR other/55312 * configure.ac: Only add -Werror if building a target library. * configure: Rebuild. 2012-11-12 Ian Lance Taylor Rainer Orth Gerald Pfeifer * configure.ac: Check for getexecname. * fileline.c: #include . 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 * mmap.c (backtrace_vector_release): Correct last patch: add aligned, not size. 2012-10-29 Ian Lance Taylor * mmap.c (backtrace_vector_release): Make sure freed block is aligned on 8-byte boundary. 2012-10-26 Ian Lance Taylor 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 PR target/55061 * configure.ac: Check for _Unwind_GetIPInfo function declaration. * configure: Regenerate. 2012-10-24 Ian Lance Taylor PR target/55061 * configure.ac: Check whether -funwind-tables option works. * configure: Rebuild. 2012-10-11 Ian Lance Taylor * configure.ac: Do not use dl_iterate_phdr on Solaris 10. * configure: Rebuild. 2012-10-10 Ian Lance Taylor * elf.c: Rename all Elf typedefs to start with b_elf, and be all lower case. 2012-10-10 Hans-Peter Nilsson * elf.c (elf_add_syminfo_data): Add casts to avoid warning. 2012-10-09 Ian Lance Taylor * dwarf.c (dwarf_fileline): Add cast to avoid warning. (backtrace_dwarf_add): Likewise. 2012-10-09 Ian Lance Taylor Add support for tracing through shared libraries. * configure.ac: Check for link.h and dl_iterate_phdr. * elf.c: #include 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 * btest.c (f23): Avoid uninitialized variable warning. 2012-10-04 Ian Lance Taylor * dwarf.c: If the system header files do not declare strnlen, provide our own version. 2012-10-03 Ian Lance Taylor * dwarf.c (read_uleb128): Fix overflow test. (read_sleb128): Likewise. (build_address_map): Don't change unit_buf.start. 2012-10-02 Uros Bizjak 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 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 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 PR other/54726 * elf.c (backtrace_initialize): Set *fileln_fn, not state->fileln_fn. 2012-09-19 Ian Lance Taylor * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled as a target library. * configure: Rebuild. 2012-09-19 Rainer Orth Ian Lance Taylor * configure.ac (GCC_HEADER_STDINT): Invoke. * backtrace.h: If we can't find , use "gstdint.h". * btest.c: Don't include . * dwarf.c: Likewise. * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild. 2012-09-18 Ian Lance Taylor PR bootstrap/54623 * Makefile.am (AM_CPPFLAGS): Define. (AM_CFLAGS): Remove -I options. * Makefile.in: Rebuild. 2012-09-18 Ian Lance Taylor * 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 * btest.c (test1, test2, test3, test4): Add the unused attribute. 2012-09-18 Ian Lance Taylor * dwarf.c: Correct test of HAVE_DECL_STRNLEN. 2012-09-18 Ian Lance Taylor * 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 * configure.ac: Check whether strnlen is declared. * dwarf.c: Declare strnlen if not declared. * configure, config.h.in: Rebuild. 2012-09-18 Rainer Orth * fileline.c: Include . * mmap.c: Likewise. 2012-09-17 Ian Lance Taylor PR bootstrap/54611 * nounwind.c (backtrace_full): Rename from backtrace. Add state parameter. 2012-09-17 Gerald Pfeifer PR bootstrap/54611 * nounwind.c (backtrace_simple): Add state parameter. 2012-09-17 Ian Lance Taylor 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 * Initial implementation.