diff options
Diffstat (limited to 'gdb/elfread.c')
| -rw-r--r-- | gdb/elfread.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/gdb/elfread.c b/gdb/elfread.c index 2d589a4..f691b8f 100644 --- a/gdb/elfread.c +++ b/gdb/elfread.c @@ -1234,7 +1234,7 @@ find_separate_debug_file_by_buildid (struct objfile *objfile) static void elf_symfile_read (struct objfile *objfile, int symfile_flags) { - bfd *abfd = objfile->obfd; + bfd *synth_abfd, *abfd = objfile->obfd; struct elfinfo ei; struct cleanup *back_to; long symcount = 0, dynsymcount = 0, synthcount, storage_needed; @@ -1305,9 +1305,26 @@ elf_symfile_read (struct objfile *objfile, int symfile_flags) elf_rel_plt_read (objfile, dyn_symbol_table); } + /* Contrary to binutils --strip-debug/--only-keep-debug the strip command from + elfutils (eu-strip) moves even the .symtab section into the .debug file. + + bfd_get_synthetic_symtab on ppc64 for each function descriptor ELF symbol + 'name' creates a new BSF_SYNTHETIC ELF symbol '.name' with its code + address. But with eu-strip files bfd_get_synthetic_symtab would fail to + read the code address from .opd while it reads the .symtab section from + a separate debug info file as the .opd section is SHT_NOBITS there. + + With SYNTH_ABFD the .opd section will be read from the original + backlinked binary where it is valid. */ + + if (objfile->separate_debug_objfile_backlink) + synth_abfd = objfile->separate_debug_objfile_backlink->obfd; + else + synth_abfd = abfd; + /* Add synthetic symbols - for instance, names for any PLT entries. */ - synthcount = bfd_get_synthetic_symtab (abfd, symcount, symbol_table, + synthcount = bfd_get_synthetic_symtab (synth_abfd, symcount, symbol_table, dynsymcount, dyn_symbol_table, &synthsyms); if (synthcount > 0) |