diff options
Diffstat (limited to 'bfd/elflink.h')
| -rw-r--r-- | bfd/elflink.h | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/bfd/elflink.h b/bfd/elflink.h index 3cd9e0c..d4a2652 100644 --- a/bfd/elflink.h +++ b/bfd/elflink.h @@ -353,26 +353,40 @@ elf_link_add_archive_symbols (abfd, info) if (h == NULL) { char *p, *copy; + size_t len, first; /* If this is a default version (the name contains @@), - look up the symbol again without the version. The - effect is that references to the symbol without the - version will be matched by the default symbol in the - archive. */ + look up the symbol again with only one `@' as well + as without the version. The effect is that references + to the symbol with and without the version will be + matched by the default symbol in the archive. */ p = strchr (symdef->name, ELF_VER_CHR); if (p == NULL || p[1] != ELF_VER_CHR) continue; - copy = bfd_alloc (abfd, (bfd_size_type) (p - symdef->name + 1)); + /* First check with only one `@'. */ + len = strlen (symdef->name); + copy = bfd_alloc (abfd, (bfd_size_type) len); if (copy == NULL) goto error_return; - memcpy (copy, symdef->name, (size_t) (p - symdef->name)); - copy[p - symdef->name] = '\0'; + first = p - symdef->name + 1; + memcpy (copy, symdef->name, first); + memcpy (copy + first, symdef->name + first + 1, len - first); h = elf_link_hash_lookup (elf_hash_table (info), copy, false, false, false); + if (h == NULL) + { + /* We also need to check references to the symbol + without the version. */ + + copy[first - 1] = '\0'; + h = elf_link_hash_lookup (elf_hash_table (info), + copy, false, false, false); + } + bfd_release (abfd, copy); } |