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* elf32-ppc.c (is_pic_glink_stub): Delete. 

(is_nonpic_glink_stub): New function.
	(ppc_elf_get_synthetic_symtab): Check for last non-pic stub rather
	than first pic one.
	(struct ppc_elf_link_hash_table <glink_pltresolve>): Comment fix.
This commit is contained in:
Alan Modra 2009-03-21 02:35:27 +00:00
parent 546e879ee8
commit c6dd29cec2
2 changed files with 18 additions and 21 deletions
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8
bfd/ChangeLog
View File

@ -1,3 +1,11 @@
2009-03-21 Alan Modra <amodra@bigpond.net.au>
* elf32-ppc.c (is_pic_glink_stub): Delete.
(is_nonpic_glink_stub): New function.
(ppc_elf_get_synthetic_symtab): Check for last non-pic stub rather
than first pic one.
(struct ppc_elf_link_hash_table <glink_pltresolve>): Comment fix.
2009-03-20 Martin Schwidefsky <schwidefsky@de.ibm.com>
Andreas Krebbel <Andreas.Krebbel@de.ibm.com>

31
bfd/elf32-ppc.c
View File

@ -2328,26 +2328,17 @@ ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
}
static bfd_boolean
is_pic_glink_stub (bfd *abfd, asection *glink, bfd_vma off)
is_nonpic_glink_stub (bfd *abfd, asection *glink, bfd_vma off)
{
bfd_byte buf[16];
unsigned int insn;
bfd_byte buf[GLINK_ENTRY_SIZE];
if (!bfd_get_section_contents (abfd, glink, buf, off, 16))
if (!bfd_get_section_contents (abfd, glink, buf, off, GLINK_ENTRY_SIZE))
return FALSE;
insn = bfd_get_32 (abfd, buf);
if ((insn & 0xffff0000) == LWZ_11_30
&& bfd_get_32 (abfd, buf + 4) == MTCTR_11
&& bfd_get_32 (abfd, buf + 8) == BCTR)
return TRUE;
if ((insn & 0xffff0000) == ADDIS_11_30
&& (bfd_get_32 (abfd, buf + 4) & 0xffff0000) == LWZ_11_11
&& bfd_get_32 (abfd, buf + 8) == MTCTR_11
&& bfd_get_32 (abfd, buf + 12) == BCTR)
return TRUE;
return FALSE;
return ((bfd_get_32 (abfd, buf + 0) & 0xffff0000) == LIS_11
&& (bfd_get_32 (abfd, buf + 4) & 0xffff0000) == LWZ_11_11
&& bfd_get_32 (abfd, buf + 8) == MTCTR_11
&& bfd_get_32 (abfd, buf + 12) == BCTR);
}
static bfd_boolean
@ -2484,10 +2475,8 @@ ppc_elf_get_synthetic_symtab (bfd *abfd, long symcount, asymbol **syms,
multiple stubs for each plt entry. If that is the case then
there is no way to associate stubs with their plt entries short
of figuring out the GOT pointer value used in the stub. */
if (!bfd_get_section_contents (abfd, glink, buf,
stub_vma - glink->vma, 4)
|| ((bfd_get_32 (abfd, buf) & 0xffff0000) != LIS_11
&& is_pic_glink_stub (abfd, glink, stub_vma - glink->vma - 16)))
if (!is_nonpic_glink_stub (abfd, glink,
glink_vma - GLINK_ENTRY_SIZE - glink->vma))
return 0;
slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table;
@ -2722,7 +2711,7 @@ struct ppc_elf_link_hash_table
bfd_vma offset;
} tlsld_got;
/* Offset of PltResolve function in glink. */
/* Offset of branch table to PltResolve function in glink. */
bfd_vma glink_pltresolve;
/* Size of reserved GOT entries. */