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binutils-gdb
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Don't output symbol version definitions for non-DT_NEEDED libs 

PR 16452, 16457
	* elflink.c (_bfd_elf_link_find_version_dependencies): Exclude
	symbols from libraries that won't be listed in DT_NEEDED.
	(elf_link_output_extsym): Don't output verdefs for such symbols.
This commit is contained in:
Alan Modra 2014-11-27 15:16:49 +10:30
parent b6a8f012d1
commit 7b20f09964
2 changed files with 13 additions and 2 deletions
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7
bfd/ChangeLog
View File

@ -1,3 +1,10 @@
2014-11-30 Alan Modra <amodra@gmail.com>
PR 16452, 16457
* elflink.c (_bfd_elf_link_find_version_dependencies): Exclude
symbols from libraries that won't be listed in DT_NEEDED.
(elf_link_output_extsym): Don't output verdefs for such symbols.
2014-11-28 Alan Modra <amodra@gmail.com>
* elf.c (_bfd_elf_slurp_version_tables): Exit loops when vn_next/

8
bfd/elflink.c
View File

@ -1832,7 +1832,9 @@ _bfd_elf_link_find_version_dependencies (struct elf_link_hash_entry *h,
if (!h->def_dynamic
|| h->def_regular
|| h->dynindx == -1
|| h->verinfo.verdef == NULL)
|| h->verinfo.verdef == NULL
|| (elf_dyn_lib_class (h->verinfo.verdef->vd_bfd)
& (DYN_AS_NEEDED | DYN_DT_NEEDED | DYN_NO_NEEDED)))
return TRUE;
/* See if we already know about this version. */
@ -9050,7 +9052,9 @@ elf_link_output_extsym (struct bfd_hash_entry *bh, void *data)
if (!h->def_regular)
{
if (h->verinfo.verdef == NULL)
if (h->verinfo.verdef == NULL
|| (elf_dyn_lib_class (h->verinfo.verdef->vd_bfd)
& (DYN_AS_NEEDED | DYN_DT_NEEDED | DYN_NO_NEEDED)))
iversym.vs_vers = 0;
else
iversym.vs_vers = h->verinfo.verdef->vd_exp_refno + 1;