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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.
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For PR libbacktrace/97082.
* macho.c (MACH_O_N_EXT): Don't define.
(MACH_O_N_UNDF): Define.
(macho_defined_symbol): Don't discard N_EXT symbols. Do
discard N_UNDF symbols.
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* elf.c (elf_nodebug): Suggest -g.
* macho.c (macho_nodebug): Suggest -g and dsymutil.
* pecoff.c (coff_nodebug): Suggest -g.
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* dwarf.c: Remove trailing whitespace.
* macho.c: Likewise.
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* macho.c (backtrace_initialize) [HAVE_MACH_O_DYLD_H]: Don't exit
loop if we can't find debug info for one shared library.
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This adds the PPC architecture variants for Mach-O libbacktrace.
With this (as for X86 and Arm) when dsymutil is run on the binary
we get a basic usable backtrace.
Testsuite results on powerpc-apple-darwin9 are the same as for X86:
* btest fails (TBC why)
* dwarf5 tests fail because dsymutil does not handle that so far.
libbacktrace/ChangeLog:
* macho.c (MACH_O_CPU_TYPE_PPC): New.
(MACH_O_CPU_TYPE_PPC64): New.
Add compile-tests for powerpc to the Mach-O variants.
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* macho.c (macho_add_dsym): Make space for '/' in dsym. Use
correct length when freeing diralc.
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libbacktrace/ChangeLog:
PR libbacktrace/96973
* macho.c (macho_add_fat): Correctly swap 32-bit file offset.
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libbacktrace/:
* macho.c (MACH_O_MH_MAGIC_FAT_64): Define.
(MACH_O_MH_CIGAM_FAT_64): Define.
(struct macho_fat_arch_64): Define.
(macho_add_fat): Add and use is_64 parameter.
(macho_add): Recognize 64-bit fat files.
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libbacktrace/
PR libbacktrace/88745
* macho.c: New file.
* filetype.awk: Recognize Mach-O files.
* Makefile.am (FORMAT_FILES): Add macho.c.
(check_DATA): New variable. Set to .dSYM if HAVE_DSYMUTIL.
(%.dSYM): New pattern target.
(test_macho_SOURCES, test_macho_CFLAGS): New targets.
(test_macho_LDADD): New target.
(BUILDTESTS): Add test_macho.
(macho.lo): Add dependencies.
* configure.ac: Recognize macho file type. Check for
mach-o/dyld.h. Don't try to run objcopy if we don't find it.
Look for dsymutil and define a HAVE_DSYMUTIL conditional.
* Makefile.in: Regenerate.
* configure: Regenerate.
* config.h.in: Regenerate.
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