diff options
| author | Richard Henderson <rth@redhat.com> | 2002-11-21 18:52:36 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@redhat.com> | 2002-11-21 18:52:36 +0000 |
| commit | 7c25b72c17fb4647ec34275270088a8f78d41a3b (patch) | |
| tree | ddd6193ae4171c485d0fe311ed112043e5d94e6a /bfd | |
| parent | 782c0ebfc98dfc58a816440d29094a586a78ed7d (diff) | |
| download | gdb-7c25b72c17fb4647ec34275270088a8f78d41a3b.zip gdb-7c25b72c17fb4647ec34275270088a8f78d41a3b.tar.gz gdb-7c25b72c17fb4647ec34275270088a8f78d41a3b.tar.bz2 | |
* elflink.h (elf_link_add_object_symbols): Don't overwrite the
arch's st_other bits when merging visibilities.
(elf_link_output_extsym): Tidy clearing of visibility field.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elflink.h | 27 |
2 files changed, 18 insertions, 15 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index c86e62f..d3c7ac8 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2002-11-21 Richard Henderson <rth@redhat.com> + + * elflink.h (elf_link_add_object_symbols): Don't overwrite the + arch's st_other bits when merging visibilities. + (elf_link_output_extsym): Tidy clearing of visibility field. + 2002-11-21 Alan Modra <amodra@bigpond.net.au> * coff-mcore.c (SWAP_IN_RELOC_OFFSET): Define. diff --git a/bfd/elflink.h b/bfd/elflink.h index 721b361..f784002 100644 --- a/bfd/elflink.h +++ b/bfd/elflink.h @@ -1938,19 +1938,17 @@ elf_link_add_object_symbols (abfd, info) might be needed here. */ if (isym->st_other != 0) { + unsigned char hvis, symvis, other; + + /* Take the balance of OTHER from the definition. */ + other = (definition ? isym->st_other : h->other); + other &= ~ ELF_ST_VISIBILITY (-1); + /* Combine visibilities, using the most constraining one. */ - unsigned char hvis = ELF_ST_VISIBILITY (h->other); - unsigned char symvis = ELF_ST_VISIBILITY (isym->st_other); - - if (symvis && (hvis > symvis || hvis == 0)) - h->other = isym->st_other; - - /* If neither has visibility, use the st_other of the - definition. This is an arbitrary choice, since the - other bits have no general meaning. */ - if (!symvis && !hvis - && (definition || h->other == 0)) - h->other = isym->st_other; + hvis = ELF_ST_VISIBILITY (h->other); + symvis = ELF_ST_VISIBILITY (isym->st_other); + + h->other = other | (hvis > symvis ? hvis : symvis); } /* Set a flag in the hash table entry indicating the type of @@ -6389,11 +6387,10 @@ elf_link_output_extsym (h, data) sym.st_info = ELF_ST_INFO (bindtype, ELF_ST_TYPE (sym.st_info)); } - /* If a symbol is not defined locally, we clear the visibility - field. */ + /* If a symbol is not defined locally, we clear the visibility field. */ if (! finfo->info->relocateable && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) - sym.st_other ^= ELF_ST_VISIBILITY (sym.st_other); + sym.st_other &= ~ ELF_ST_VISIBILITY (-1); /* If this symbol should be put in the .dynsym section, then put it there now. We already know the symbol index. We also fill in |