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* elf64-ppc.c (ppc64_elf_edit_toc): Skip toc if size is zero.
	Skip toc reloc adjust if reloc_count is zero.
ld/
	* emultempl/ppc64elf.em (ppc_create_output_section_statements): Make
	an error creating fake bfd fatal.
	(ppc_before_allocation): Continue on after errors.
	(gld${EMULATION_NAME}_finish): Likewise.
This commit is contained in:
Alan Modra 2005-02-16 02:20:13 +00:00
parent 55e5a6d086
commit 92b7a70fca
4 changed files with 47 additions and 43 deletions
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5
bfd/ChangeLog
View File

@ -1,3 +1,8 @@
2005-02-16 Alan Modra <amodra@bigpond.net.au>
* elf64-ppc.c (ppc64_elf_edit_toc): Skip toc if size is zero.
Skip toc reloc adjust if reloc_count is zero.
2005-02-15 Nigel Stephens <nigel@mips.com>
Maciej W. Rozycki <macro@mips.com>

46
bfd/elf64-ppc.c
View File

@ -6782,13 +6782,14 @@ ppc64_elf_edit_toc (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Sym *local_syms;
struct elf_link_hash_entry **sym_hashes;
Elf_Internal_Rela *relstart, *rel, *wrel;
Elf_Internal_Rela *relstart, *rel;
unsigned long *skip, *drop;
unsigned char *used;
unsigned char *keep, last, some_unused;
toc = bfd_get_section_by_name (ibfd, ".toc");
if (toc == NULL
|| toc->size == 0
|| toc->sec_info_type == ELF_INFO_TYPE_JUST_SYMS
|| elf_discarded_section (toc))
continue;
@ -7033,25 +7034,32 @@ ppc64_elf_edit_toc (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
toc->rawsize = toc->size;
toc->size = src - contents - off;
/* Read toc relocs. */
relstart = _bfd_elf_link_read_relocs (ibfd, toc, NULL, NULL, TRUE);
if (relstart == NULL)
goto error_ret;
if (toc->reloc_count != 0)
{
Elf_Internal_Rela *wrel;
bfd_size_type sz;
/* Remove unused toc relocs, and adjust those we keep. */
wrel = relstart;
for (rel = relstart; rel < relstart + toc->reloc_count; ++rel)
if (skip[rel->r_offset >> 3] != (unsigned long) -1)
{
wrel->r_offset = rel->r_offset - skip[rel->r_offset >> 3];
wrel->r_info = rel->r_info;
wrel->r_addend = rel->r_addend;
++wrel;
}
toc->reloc_count = wrel - relstart;
elf_section_data (toc)->rel_hdr.sh_size
= toc->reloc_count * elf_section_data (toc)->rel_hdr.sh_entsize;
BFD_ASSERT (elf_section_data (toc)->rel_hdr2 == NULL);
/* Read toc relocs. */
relstart = _bfd_elf_link_read_relocs (ibfd, toc, NULL, NULL,
TRUE);
if (relstart == NULL)
goto error_ret;
/* Remove unused toc relocs, and adjust those we keep. */
wrel = relstart;
for (rel = relstart; rel < relstart + toc->reloc_count; ++rel)
if (skip[rel->r_offset >> 3] != (unsigned long) -1)
{
wrel->r_offset = rel->r_offset - skip[rel->r_offset >> 3];
wrel->r_info = rel->r_info;
wrel->r_addend = rel->r_addend;
++wrel;
}
toc->reloc_count = wrel - relstart;
sz = elf_section_data (toc)->rel_hdr.sh_entsize;
elf_section_data (toc)->rel_hdr.sh_size = toc->reloc_count * sz;
BFD_ASSERT (elf_section_data (toc)->rel_hdr2 == NULL);
}
/* Adjust addends for relocs against the toc section sym. */
for (sec = ibfd->sections; sec != NULL; sec = sec->next)

7
ld/ChangeLog
View File

@ -1,3 +1,10 @@
2005-02-16 Alan Modra <amodra@bigpond.net.au>
* emultempl/ppc64elf.em (ppc_create_output_section_statements): Make
an error creating fake bfd fatal.
(ppc_before_allocation): Continue on after errors.
(gld${EMULATION_NAME}_finish): Likewise.
2005-02-15 Nick Clifton <nickc@redhat.com>
* ldlex.l (YY_NO_UNPUT): Define so that the yy_unput function is

32
ld/emultempl/ppc64elf.em
View File

@ -88,7 +88,7 @@ ppc_create_output_section_statements (void)
bfd_get_arch (output_bfd),
bfd_get_mach (output_bfd)))
{
einfo ("%X%P: can not create BFD %E\n");
einfo ("%F%P: can not create BFD %E\n");
return;
}
@ -104,10 +104,7 @@ ppc_before_allocation (void)
{
if (!no_opd_opt
&& !ppc64_elf_edit_opd (output_bfd, &link_info, non_overlapping_opd))
{
einfo ("%X%P: can not edit %s %E\n", "opd");
return;
}
einfo ("%X%P: can not edit %s %E\n", "opd");
if (ppc64_elf_tls_setup (output_bfd, &link_info) && !no_tls_opt)
{
@ -117,10 +114,7 @@ ppc_before_allocation (void)
&stat_ptr->head, 0, 0, NULL, TRUE);
if (!ppc64_elf_tls_optimize (output_bfd, &link_info))
{
einfo ("%X%P: TLS problem %E\n");
return;
}
einfo ("%X%P: TLS problem %E\n");
/* We must not cache anything from the preliminary sizing. */
elf_tdata (output_bfd)->program_header_size = 0;
@ -130,10 +124,7 @@ ppc_before_allocation (void)
if (!no_toc_opt
&& !link_info.relocatable
&& !ppc64_elf_edit_toc (output_bfd, &link_info))
{
einfo ("%X%P: can not edit %s %E\n", "toc");
return;
}
einfo ("%X%P: can not edit %s %E\n", "toc");
}
gld${EMULATION_NAME}_before_allocation ();
@ -343,14 +334,10 @@ gld${EMULATION_NAME}_finish (void)
{
int ret = ppc64_elf_setup_section_lists (output_bfd, &link_info,
no_multi_toc);
if (ret != 0)
if (ret < 0)
einfo ("%X%P: can not size stub section: %E\n");
else if (ret > 0)
{
if (ret < 0)
{
einfo ("%X%P: can not size stub section: %E\n");
return;
}
toc_section = bfd_get_section_by_name (output_bfd, ".got");
if (toc_section != NULL)
lang_for_each_statement (build_toc_list);
@ -365,10 +352,7 @@ gld${EMULATION_NAME}_finish (void)
group_size,
&ppc_add_stub_section,
&ppc_layout_sections_again))
{
einfo ("%X%P: can not size stub section: %E\n");
return;
}
einfo ("%X%P: can not size stub section: %E\n");
}
}