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* elf64-ppc.h (ppc64_elf_toc): Delete.
	(ppc64_elf_set_toc): Declare.
	* elf64-ppc.c (ppc64_elf_toc_reloc): Replace call to ppc64_elf_toc
	with call the ppc64_elf_set_toc.
	(ppc64_elf_toc_ha_reloc, ppc64_elf_toc64_reloc): Likewise.
	(ppc64_elf_start_multitoc_partition): Likewise.
	(struct ppc_link_hash_table): Delete dot_toc_dot.  Replace all uses
	with elf.hgot.
	(ppc64_elf_process_dot_syms): Don't make a fake function descriptor
	for ".TOC.".
	(ppc64_elf_check_relocs): Mark sections with a reference to .TOC.
	as needing a toc pointer.
	(ppc64_elf_size_stubs): Don't set dot_toc_dot here.
	(ppc64_elf_set_toc): Rename from ppc64_elf_toc.  Add info param.
	Set elf.hgot value.
ld/
	* emultempl/ppc64elf.em: (ppc_layout_sections_again): Call
	ppc64_elf_set_toc rather than ppc64_elf_toc/_bfd_set_gp_value.
	(gld${EMULATION_NAME}_after_allocation): Likewise.
This commit is contained in:
Alan Modra 2013-07-01 03:45:05 +00:00
parent d48b453377
commit 1c865ab2fb
5 changed files with 57 additions and 20 deletions
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18
bfd/ChangeLog
View File

@ -1,3 +1,21 @@
2013-07-01 Alan Modra <amodra@gmail.com>
* elf64-ppc.h (ppc64_elf_toc): Delete.
(ppc64_elf_set_toc): Declare.
* elf64-ppc.c (ppc64_elf_toc_reloc): Replace call to ppc64_elf_toc
with call the ppc64_elf_set_toc.
(ppc64_elf_toc_ha_reloc, ppc64_elf_toc64_reloc): Likewise.
(ppc64_elf_start_multitoc_partition): Likewise.
(struct ppc_link_hash_table): Delete dot_toc_dot. Replace all uses
with elf.hgot.
(ppc64_elf_process_dot_syms): Don't make a fake function descriptor
for ".TOC.".
(ppc64_elf_check_relocs): Mark sections with a reference to .TOC.
as needing a toc pointer.
(ppc64_elf_size_stubs): Don't set dot_toc_dot here.
(ppc64_elf_set_toc): Rename from ppc64_elf_toc. Add info param.
Set elf.hgot value.
2013-06-28 H.J. Lu <hongjiu.lu@intel.com>
PR ld/15685

43
bfd/elf64-ppc.c
View File

@ -2472,7 +2472,7 @@ ppc64_elf_toc_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
if (TOCstart == 0)
TOCstart = ppc64_elf_toc (input_section->output_section->owner);
TOCstart = ppc64_elf_set_toc (NULL, input_section->output_section->owner);
/* Subtract the TOC base address. */
reloc_entry->addend -= TOCstart + TOC_BASE_OFF;
@ -2495,7 +2495,7 @@ ppc64_elf_toc_ha_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
if (TOCstart == 0)
TOCstart = ppc64_elf_toc (input_section->output_section->owner);
TOCstart = ppc64_elf_set_toc (NULL, input_section->output_section->owner);
/* Subtract the TOC base address. */
reloc_entry->addend -= TOCstart + TOC_BASE_OFF;
@ -2522,7 +2522,7 @@ ppc64_elf_toc64_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
if (TOCstart == 0)
TOCstart = ppc64_elf_toc (input_section->output_section->owner);
TOCstart = ppc64_elf_set_toc (NULL, input_section->output_section->owner);
octets = reloc_entry->address * bfd_octets_per_byte (abfd);
bfd_put_64 (abfd, TOCstart + TOC_BASE_OFF, (bfd_byte *) data + octets);
@ -3772,9 +3772,6 @@ struct ppc_link_hash_table
struct ppc_link_hash_entry *tls_get_addr;
struct ppc_link_hash_entry *tls_get_addr_fd;
/* The special .TOC. symbol. */
struct ppc_link_hash_entry *dot_toc_dot;
/* The size of reliplt used by got entry relocs. */
bfd_size_type got_reli_size;
@ -4774,7 +4771,12 @@ ppc64_elf_process_dot_syms (bfd *ibfd, struct bfd_link_info *info)
while ((eh = *p) != NULL)
{
*p = NULL;
if (!add_symbol_adjust (eh, info))
if (&eh->elf == htab->elf.hgot)
;
else if (htab->elf.hgot == NULL
&& strcmp (eh->elf.root.root.string, ".TOC.") == 0)
htab->elf.hgot = &eh->elf;
else if (!add_symbol_adjust (eh, info))
return FALSE;
p = &eh->u.next_dot_sym;
}
@ -5007,6 +5009,9 @@ ppc64_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
/* PR15323, ref flags aren't set for references in the same
object. */
h->root.non_ir_ref = 1;
if (h == htab->elf.hgot)
sec->has_toc_reloc = 1;
}
tls_type = 0;
@ -10617,8 +10622,7 @@ ppc64_elf_start_multitoc_partition (struct bfd_link_info *info)
{
struct ppc_link_hash_table *htab = ppc_hash_table (info);
elf_gp (info->output_bfd) = ppc64_elf_toc (info->output_bfd);
htab->toc_curr = elf_gp (info->output_bfd);
htab->toc_curr = ppc64_elf_set_toc (info, info->output_bfd);
htab->toc_bfd = NULL;
htab->toc_first_sec = NULL;
}
@ -11450,9 +11454,6 @@ ppc64_elf_size_stubs (struct bfd_link_info *info, bfd_signed_vma group_size,
}
}
htab->plt_thread_safe = plt_thread_safe;
htab->dot_toc_dot = ((struct ppc_link_hash_entry *)
elf_link_hash_lookup (&htab->elf, ".TOC.",
FALSE, FALSE, TRUE));
stubs_always_before_branch = group_size < 0;
if (group_size < 0)
stub_group_size = -group_size;
@ -11853,7 +11854,7 @@ ppc64_elf_size_stubs (struct bfd_link_info *info, bfd_signed_vma group_size,
move, we'll be called again. Provide a value for TOCstart. */
bfd_vma
ppc64_elf_toc (bfd *obfd)
ppc64_elf_set_toc (struct bfd_link_info *info, bfd *obfd)
{
asection *s;
bfd_vma TOCstart;
@ -11904,6 +11905,20 @@ ppc64_elf_toc (bfd *obfd)
if (s != NULL)
TOCstart = s->output_section->vma + s->output_offset;
_bfd_set_gp_value (obfd, TOCstart);
if (info != NULL && s != NULL && is_ppc64_elf (obfd))
{
struct ppc_link_hash_table *htab = ppc_hash_table (info);
if (htab != NULL
&& htab->elf.hgot != NULL)
{
htab->elf.hgot->root.type = bfd_link_hash_defined;
htab->elf.hgot->root.u.def.value = TOC_BASE_OFF;
htab->elf.hgot->root.u.def.section = s;
}
}
return TOCstart;
}
@ -12452,7 +12467,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
}
}
}
if (h_elf == &htab->dot_toc_dot->elf)
if (h_elf == htab->elf.hgot)
{
relocation = (TOCstart
+ htab->stub_group[input_section->id].toc_off);

4
bfd/elf64-ppc.h
View File

@ -31,8 +31,8 @@ bfd_boolean ppc64_elf_edit_toc
(struct bfd_link_info *);
bfd_boolean ppc64_elf_has_small_toc_reloc
(asection *);
bfd_vma ppc64_elf_toc
(bfd *);
bfd_vma ppc64_elf_set_toc
(struct bfd_link_info *, bfd *);
int ppc64_elf_setup_section_lists
(struct bfd_link_info *, asection *(*) (const char *, asection *),
void (*) (void));

6
ld/ChangeLog
View File

@ -1,3 +1,9 @@
2013-07-01 Alan Modra <amodra@gmail.com>
* emultempl/ppc64elf.em: (ppc_layout_sections_again): Call
ppc64_elf_set_toc rather than ppc64_elf_toc/_bfd_set_gp_value.
(gld${EMULATION_NAME}_after_allocation): Likewise.
2013-06-26 Yufeng Zhang <yufeng.zhang@arm.com>
* emulparams/aarch64elf32.sh: New file.

6
ld/emultempl/ppc64elf.em
View File

@ -423,8 +423,7 @@ ppc_layout_sections_again (void)
gld${EMULATION_NAME}_map_segments (TRUE);
if (!link_info.relocatable)
_bfd_set_gp_value (link_info.output_bfd,
ppc64_elf_toc (link_info.output_bfd));
ppc64_elf_set_toc (&link_info, link_info.output_bfd);
need_laying_out = -1;
}
@ -525,8 +524,7 @@ gld${EMULATION_NAME}_after_allocation (void)
gld${EMULATION_NAME}_map_segments (need_laying_out);
if (!link_info.relocatable)
_bfd_set_gp_value (link_info.output_bfd,
ppc64_elf_toc (link_info.output_bfd));
ppc64_elf_set_toc (&link_info, link_info.output_bfd);
}
}