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| author | Jan Beulich <jbeulich@novell.com> | 2004-12-03 13:59:36 +0000 |
|---|---|---|
| committer | Jan Beulich <jbeulich@novell.com> | 2004-12-03 13:59:36 +0000 |
| commit | 57426232247b4a454fafd4ce7e18f03701f7d6e8 (patch) | |
| tree | 6cdf1c250190f9266f0c9d7e2b6499c686835585 /bfd | |
| parent | 3da796a242a24aea76261f2d7e816e4b801ee69b (diff) | |
| download | gdb-57426232247b4a454fafd4ce7e18f03701f7d6e8.zip gdb-57426232247b4a454fafd4ce7e18f03701f7d6e8.tar.gz gdb-57426232247b4a454fafd4ce7e18f03701f7d6e8.tar.bz2 | |
bfd/
2004-12-03 Jan Beulich <jbeulich@novell.com>
* elf.c (elf_find_function): Don't use the last file symbol ever,
seen, but the last one seen prior to the symbol being reported.
Don't report a filename at all for global symbols when that might
be ambiguous/wrong.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 7 | ||||
| -rw-r--r-- | bfd/elf.c | 30 |
2 files changed, 34 insertions, 3 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 6997324..c5e2846 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,10 @@ +2004-12-03 Jan Beulich <jbeulich@novell.com> + + * elf.c (elf_find_function): Don't use the last file symbol ever, + seen, but the last one seen prior to the symbol being reported. + Don't report a filename at all for global symbols when that might + be ambiguous/wrong. + 2004-12-01 Paul Brook <paul@codesourcery.com> * elf32-arm.c (elf32_arm_copy_private_bfd_data): Set EI_OSABI. @@ -6376,13 +6376,24 @@ elf_find_function (bfd *abfd ATTRIBUTE_UNUSED, const char **functionname_ptr) { const char *filename; - asymbol *func; + asymbol *func, *file; bfd_vma low_func; asymbol **p; + /* ??? Given multiple file symbols, it is impossible to reliably + choose the right file name for global symbols. File symbols are + local symbols, and thus all file symbols must sort before any + global symbols. The ELF spec may be interpreted to say that a + file symbol must sort before other local symbols, but currently + ld -r doesn't do this. So, for ld -r output, it is possible to + make a better choice of file name for local symbols by ignoring + file symbols appearing after a given local symbol. */ + enum { nothing_seen, symbol_seen, file_after_symbol_seen } state; filename = NULL; func = NULL; + file = NULL; low_func = 0; + state = nothing_seen; for (p = symbols; *p != NULL; p++) { @@ -6395,8 +6406,12 @@ elf_find_function (bfd *abfd ATTRIBUTE_UNUSED, default: break; case STT_FILE: - filename = bfd_asymbol_name (&q->symbol); - break; + file = &q->symbol; + if (state == symbol_seen) + state = file_after_symbol_seen; + continue; + case STT_SECTION: + continue; case STT_NOTYPE: case STT_FUNC: if (bfd_get_section (&q->symbol) == section @@ -6405,9 +6420,18 @@ elf_find_function (bfd *abfd ATTRIBUTE_UNUSED, { func = (asymbol *) q; low_func = q->symbol.value; + if (file == NULL) + filename = NULL; + else if (ELF_ST_BIND (q->internal_elf_sym.st_info) != STB_LOCAL + && state == file_after_symbol_seen) + filename = NULL; + else + filename = bfd_asymbol_name (file); } break; } + if (state == nothing_seen) + state = symbol_seen; } if (func == NULL) |