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17 Commits

Author SHA1 Message Date
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