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* elflink.h (elf_link_add_archive_symbols): For the default 

version, check references with only one `@' first.
This commit is contained in:
Alan Modra 2002-06-23 12:44:31 +00:00
parent 47b7c2db07
commit 48fc70a2b6
2 changed files with 26 additions and 7 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2002-06-23 H.J. Lu <hjl@gnu.org>
* elflink.h (elf_link_add_archive_symbols): For the default
version, check references with only one `@' first.
2002-06-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
* elf64-hppa.c (elf64_hppa_mark_milli_and_exported_functions): New

28
bfd/elflink.h
View File

@ -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);
}