yggdrasil/binutils-gdb
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

2003-05-07 H.J. Lu <hongjiu.lu@intel.com>

Browse Source 
* elflink.h (elf_link_check_versioned_symbol): Also handle the
	case that a DSO references a hidden symbol which may be
	satisfied by a versioned symbol in another DSO.
	(elf_link_output_extsym): Check versioned definition for hidden
	symbol referenced by a DSO.
This commit is contained in:
H.J. Lu 2003-05-08 05:11:57 +00:00
parent 0ae911fecd
commit 715529421b
2 changed files with 40 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
bfd/ChangeLog
View File

@ -1,3 +1,11 @@
2003-05-07 H.J. Lu <hongjiu.lu@intel.com>
* elflink.h (elf_link_check_versioned_symbol): Also handle the
case that a DSO references a hidden symbol which may be
satisfied by a versioned symbol in another DSO.
(elf_link_output_extsym): Check versioned definition for hidden
symbol referenced by a DSO.
2003-05-07 Nick Clifton <nickc@redhat.com>
* elf32-xstormy16.c (xstormy16_elf_howto_table): Reset

39
bfd/elflink.h
View File

@ -6230,21 +6230,45 @@ elf_link_sec_merge_syms (h, data)
/* For DSOs loaded in via a DT_NEEDED entry, emulate ld.so in
allowing an unsatisfied unversioned symbol in the DSO to match a
versioned symbol that would normally require an explicit version. */
versioned symbol that would normally require an explicit version.
We also handle the case that a DSO references a hidden symbol
which may be satisfied by a versioned symbol in another DSO. */
static bfd_boolean
elf_link_check_versioned_symbol (info, h)
struct bfd_link_info *info;
struct elf_link_hash_entry *h;
{
bfd *undef_bfd = h->root.u.undef.abfd;
bfd *abfd;
struct elf_link_loaded_list *loaded;
if ((undef_bfd->flags & DYNAMIC) == 0
|| info->hash->creator->flavour != bfd_target_elf_flavour
|| elf_dt_soname (undef_bfd) == NULL)
if (info->hash->creator->flavour != bfd_target_elf_flavour)
return FALSE;
switch (h->root.type)
{
default:
abfd = NULL;
break;
case bfd_link_hash_undefined:
case bfd_link_hash_undefweak:
abfd = h->root.u.undef.abfd;
if ((abfd->flags & DYNAMIC) == 0 || elf_dt_soname (abfd) == NULL)
return FALSE;
break;
case bfd_link_hash_defined:
case bfd_link_hash_defweak:
abfd = h->root.u.def.section->owner;
break;
case bfd_link_hash_common:
abfd = h->root.u.c.p->section->owner;
break;
}
BFD_ASSERT (abfd != NULL);
for (loaded = elf_hash_table (info)->loaded;
loaded != NULL;
loaded = loaded->next)
@ -6264,7 +6288,7 @@ elf_link_check_versioned_symbol (info, h)
input = loaded->abfd;
/* We check each DSO for a possible hidden versioned definition. */
if (input == undef_bfd
if (input == abfd
|| (input->flags & DYNAMIC) == 0
|| elf_dynversym (input) == 0)
continue;
@ -6416,7 +6440,8 @@ elf_link_output_extsym (h, data)
&& (h->elf_link_hash_flags
& (ELF_LINK_FORCED_LOCAL | ELF_LINK_HASH_REF_DYNAMIC
| ELF_LINK_DYNAMIC_DEF | ELF_LINK_DYNAMIC_WEAK))
== (ELF_LINK_FORCED_LOCAL | ELF_LINK_HASH_REF_DYNAMIC))
== (ELF_LINK_FORCED_LOCAL | ELF_LINK_HASH_REF_DYNAMIC)
&& ! elf_link_check_versioned_symbol (finfo->info, h))
{
(*_bfd_error_handler)
(_("%s: %s symbol `%s' in %s is referenced by DSO"),