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22 Commits
Author SHA1 Message Date
Ian Lance Taylor 3bd5a08e4f libbacktrace: use BACKTRACE_MOREDATA_VERSION rather than 3 
Patch from Andi Kleen.

	* pecoff.c (coff_syminfo): Use BACKTRACE_MOREDATA_VERSION.
	* xcoff.c (xcoff_syminfo): Likewise.
	(xcoff_lookup_pc): Likewise.
	(xcoff_fileline): Likewise.
	* unknown.c (unknown_fileline): Likewise.
 2026-09-01 15:11:24 -07:00
Ian Lance Taylor 6f8310e238 libbacktrace: support returning discriminator field 
Based on patch from Andi Kleen.

	* backtrace.h (backtrace_create_state): Rewrite comment to change
	threaded parameter to flags.
	(backtrace_full_callback, backtrace_syminfo_callback): Document
	behavior change if moredata flag is set.
	(struct backtrace_moredata): Define.
	* backtrace-supported.h.in (BACKTRACE_SUPPORTS_MOREDATA): Define.
	* internal.h (struct backtrace_state): Add moredata field.
	(BACKTRACE_MOREDATA_VERSION): Define.
	* state.c (backtrace_create_state): Change threaded parameter to
	flags.  Set state moredata field based on flags.
	* dwarf.c (struct line): Add disc field.
	(struct function): Add caller_disc field.
	(call_callback): New static function.
	(add_line): Add disc parameter.  Change all callers.  Store disc
	in new line value.
	(read_line_program): Track discriminator value.
	(read_line_info): Initialize disc field in final line entry.
	(read_function_entry): Handle DW_AT_GNU_discriminator.
	(report_inlined_functions): Add disc parameter. Change all
	callers. Call call_callback rather than calling callback
	directly.
	(dwarf_lookup_pc): Handle inlined discriminators. Call
	call_callback rather than calling callback directly.
	(dwarf_fileline): Call call_callback rather than calling callback
	directly.
	* elf.c (elf_syminfo): Pass moredata if requested.
	* macho.c (macho_syminfo): Likewise.
	* pecoff.c (coff_syminfo): Likewise.
	* xcoff.c (xcoff_syminfo): Likewise.
	(xcoff_lookup_pc): Likewise.
	* backtrace.c: #include <string.h>.
	(unwind): Pass moredata if requested.
	* unknown.c: #include <string.h>.
	(unknown_fileline): Pass moredata if requested.
	* fileline.c (backtrace_syminfo_to_full_callback): Add comment
	about moredata.
	* mdtest.c: New test file.
	* Makefile.am (mdtest_SOURCES): Define.
	(mdtest_CFLAGS, mdtest_LDFLAGS, mdtest_LDADD): Define.
	(BUILDTESTS): Add mdtest.
	* Makefile.in: Regenerate.
 2026-07-06 12:42:21 -07:00
Jakub Jelinek 42962d2cfb Update copyright years. 2026-05-03 18:21:13 -07:00
Jakub Jelinek bdd324c192 Update copyright years. 2026-05-03 18:20:27 -07:00
Ian Lance Taylor 1db85642e3 libbacktrace: use WIN32_LEAN_AND_MEAN, not WIN32_MEAN_AND_LEAN 
Patch from awmorgan.

	* fileline.c: Use WIN32_LEAN_AND_MEAN, not WIN32_MEAN_AND_LEAN.
	* pecoff.c: Likewise.

Fixes #144
 2024-11-29 13:21:28 -08:00
Ian Lance Taylor 6ce91a2ef7 libbacktrace: avoid -Wpointer-arith errors 
Based on patch from Kirill Müller.

	* configure.ac (ACX_PROG_CC_WARNING_OPTS): Add -Wpointer-arith.
	* pecoff.c (coff_add): Cast void pointers.
	* xcoff.c (xcoff_add): Likewise.
	* configure: Regenerate.
 2024-08-05 16:49:57 -07:00
Ian Lance Taylor 0dd27b95f9 libbacktrace: fix syntax of Windows registration functions 
Adjust the syntax to keep MSVC happy.

Fixes #131

	* pecoff.c (LDR_DLL_NOTIFICATION): Put function modifier
	inside parentheses.
	(LDR_REGISTER_FUNCTION): Likewise.
 2024-07-30 09:28:33 -07:00
Ian Lance Taylor 1dd5c408fe libbacktrace: support FDPIC 
Based on patch by Max Filippov.

	* internal.h: If FDPIC, #include <link.h> and/or <sys/link.h>.
	(libbacktrace_using_fdpic): Define.
	(struct libbacktrace_base_address): Define.
	(libbacktrace_add_base): Define.
	(backtrace_dwarf_add): Change base_address to struct
	libbacktrace_base_address.
	* dwarf.c (struct dwarf_data): Change base_address to struct
	libbacktrace_base_address.
	(add_ranges, find_address_ranges, build_ddress_map): Likewise.
	(build_dwarf_data, build_dwarf_add): Likewise.
	(add_low_high_range): Change base_address to struct
	libbacktrace_base_address.  Use libbacktrace_add_base.
	(add_ranges_from_ranges, add_ranges_from_rnglists): Likewise.
	(add_line): Use libbacktrace_add_base.
	* elf.c (elf_initialize_syminfo): Change base_address to struct
	libbacktrace_base_address.  Use libbacktrace_add_base.
	(elf_add): Change base_address to struct
	libbacktrace_base_address.
	(phdr_callback): Likewise.  Initialize base_address.m.
	(backtrace_initialize): If using FDPIC, don't call elf_add with
	main executable; always use dl_iterate_phdr.
	* macho.c (macho_add_symtab): Change base_address to struct
	libbacktrace_base_address.  Use libbacktrace_add_base.
	(macho_syminfo): Change base_address to struct
	libbacktrace_base_address.
	(macho_add_fat, macho_add_dsym, macho_add): Likewise.
	(backtrace_initialize): Likewise.  Initialize base_address.m.
	* pecoff.c (coff_initialize_syminfo): Change base_address to
	struct libbacktrace_base_address.  Use libbacktrace_add_base.
	(coff_add): Change base_address to struct
	libbacktrace_base_address.  Initialize base_address.m.
 2024-07-15 17:29:35 -07:00
Ian Lance Taylor 8c05bcb94f libbacktrace: update copyright years 2024-07-11 18:14:01 -07:00
Ian Lance Taylor e3e64ddd18 libbacktrace: suggest how to fix missing debug info 
* elf.c (elf_nodebug): Suggest -g.
	* macho.c (macho_nodebug): Suggest -g and dsymutil.
	* pecoff.c (coff_nodebug): Suggest -g.

Fixes #122
 2024-07-11 15:42:10 -07:00
Ian Lance Taylor 11427f31a6 libbacktrace: add DLLS as they are loaded 
Patch from Björn Schäpers.

	* pecoff.c (struct dll_notification_data): Define.
	(LDR_DLL_NOTIFICATION): New typedef.
	(LDR_REGISTER_FUNCTION): New typedef.
	(struct dll_notification_context): Define.
	(dll_notification): New static function.
	(backtrace_initialize): Register DLL notification.
 2024-05-03 15:27:21 -07:00
Ian Lance Taylor 0e933e763f libbacktrace: load Windows modules 
Patch from Björn Schäpers <bjoern@hazardy.de>.

	* configure.ac: Checked for tlhelp32.h
	* pecoff.c: Include <tlhelp32.h> if available.
	(backtrace_initialize): Use tlhelp32 api for a snapshot to
	detect loaded modules.
	(coff_add): New argument for the module handle of the file,
	to get the base address.
	* configure, config.h.in: Regenerate.
 2024-05-01 10:40:39 -07:00
Ian Lance Taylor 14818b7783 libbacktrace: support ASLR on Windows 
Patch from Björn Schäpers.

	* pecoff.c: Include <windows.h> if available.
	(coff_add): On Windows call GetModuleHandle to get base address.
 2023-11-30 11:46:57 -08:00
Jakub Jelinek 5496ee0a1a Update copyright years. 2021-01-18 14:56:19 -08:00
Ian Lance Taylor 2f5efbfa32 libbacktrace: don't strip leading underscore on 64-bit PE 
* pecoff.c (coff_initialize_syminfo): Add is_64 parameter.
	(coff_add): Determine and pass is_64.

Closes #28
 2020-09-27 17:19:28 -07:00
Ian Lance Taylor bd02146d90 Update copyright years. 2020-02-18 18:46:13 -08:00
Ian Lance Taylor 559ab7cab4 libbacktrace: update to current version from GCC trunk 
This adds DWARF 5 support as well as an enhanced testsuite.

Patch assembled by Than McIntosh.
 2019-12-23 18:55:51 -08:00
Ian Lance Taylor 8a4e4ea552 * pecoff.c (coff_add): Only release syms_view if it is valid. 2018-01-25 07:38:52 -08:00
Ian Lance Taylor 97dd0dfa9e * pecoff.c (coff_add): Another memcpy -> coff_read4 fix. 
Updates #11
 2018-01-25 07:34:02 -08:00
Ian Lance Taylor 4300eedae4 * pecoff.c (coff_add): Use coff_read4, not memcpy. 
Fixes #3
 2018-01-24 18:42:50 -08:00
Than McIntosh 17f687d2b9 Update from gcc trunk version of libbacktrace at svn rev 256427. (#8) 
Includes (among other things) support for compressed debug sections,
a variety of bugfixes, and expanded test coverage.
 2018-01-12 10:26:02 -08:00
Ian Lance Taylor 84241313f2 libbacktrace: initial commit 
This is a standalone version of the libbacktrace library that I
originally wrote for GCC.  This is a copy of libbacktrace from GCC
trunk, with all dependencies incorporated here.
 2016-09-10 07:59:09 -07:00