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* elf64-ppc.c (ppc64_elf_func_desc_adjust): Don't allow _savef* and

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_restf* to be satisfied by shared libs, and always force them local.
	(toc_adjusting_stub_needed): Avoid scanning linker created sections.
	Correct test for "bl".
	(ppc64_elf_relocate_section <R_PPC64_TLS>): Correct test for
	primary opcode 31.
This commit is contained in:
Alan Modra
2003-07-02 07:41:51 +00:00
parent 65968516b9
commit 772119ce53
2 changed files with 20 additions and 7 deletions
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9
bfd/ChangeLog
View File

@ -1,3 +1,12 @@
2003-07-02 Alan Modra <amodra@bigpond.net.au>
* elf64-ppc.c (ppc64_elf_func_desc_adjust): Don't allow _savef* and
_restf* to be satisfied by shared libs, and always force them local.
(toc_adjusting_stub_needed): Avoid scanning linker created sections.
Correct test for "bl".
(ppc64_elf_relocate_section <R_PPC64_TLS>): Correct test for
primary opcode 31.
2003-07-01 Martin Schwidefsky <schwidefsky@de.ibm.com> 2003-07-01 Martin Schwidefsky <schwidefsky@de.ibm.com>
* elf32-s390.c (s390_elf_ldisp_reloc): New prototype. * elf32-s390.c (s390_elf_ldisp_reloc): New prototype.

18
bfd/elf64-ppc.c
View File

@ -4287,7 +4287,7 @@ ppc64_elf_func_desc_adjust (bfd *obfd ATTRIBUTE_UNUSED,
sym[8] = i % 10 + '0'; sym[8] = i % 10 + '0';
h = elf_link_hash_lookup (&htab->elf, sym, FALSE, FALSE, TRUE); h = elf_link_hash_lookup (&htab->elf, sym, FALSE, FALSE, TRUE);
if (h != NULL if (h != NULL
&& h->root.type == bfd_link_hash_undefined) && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
{ {
if (lowest_savef > i) if (lowest_savef > i)
lowest_savef = i; lowest_savef = i;
@ -4296,7 +4296,7 @@ ppc64_elf_func_desc_adjust (bfd *obfd ATTRIBUTE_UNUSED,
h->root.u.def.value = (i - lowest_savef) * 4; h->root.u.def.value = (i - lowest_savef) * 4;
h->type = STT_FUNC; h->type = STT_FUNC;
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR; h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
_bfd_elf_link_hash_hide_symbol (info, h, info->shared); _bfd_elf_link_hash_hide_symbol (info, h, TRUE);
} }
} }
@ -4307,7 +4307,7 @@ ppc64_elf_func_desc_adjust (bfd *obfd ATTRIBUTE_UNUSED,
sym[8] = i % 10 + '0'; sym[8] = i % 10 + '0';
h = elf_link_hash_lookup (&htab->elf, sym, FALSE, FALSE, TRUE); h = elf_link_hash_lookup (&htab->elf, sym, FALSE, FALSE, TRUE);
if (h != NULL if (h != NULL
&& h->root.type == bfd_link_hash_undefined) && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
{ {
if (lowest_restf > i) if (lowest_restf > i)
lowest_restf = i; lowest_restf = i;
@ -4317,7 +4317,7 @@ ppc64_elf_func_desc_adjust (bfd *obfd ATTRIBUTE_UNUSED,
+ (i - lowest_restf) * 4); + (i - lowest_restf) * 4);
h->type = STT_FUNC; h->type = STT_FUNC;
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR; h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
_bfd_elf_link_hash_hide_symbol (info, h, info->shared); _bfd_elf_link_hash_hide_symbol (info, h, TRUE);
} }
} }
@ -6374,6 +6374,10 @@ toc_adjusting_stub_needed (struct bfd_link_info *info, asection *isec)
int ret; int ret;
int branch_ok; int branch_ok;
/* We know none of our code bearing sections will need toc stubs. */
if ((isec->flags & SEC_LINKER_CREATED) != 0)
return 0;
/* Hack for linux kernel. .fixup contains branches, but only back to /* Hack for linux kernel. .fixup contains branches, but only back to
the function that hit an exception. */ the function that hit an exception. */
branch_ok = strcmp (isec->name, ".fixup") == 0; branch_ok = strcmp (isec->name, ".fixup") == 0;
@ -6401,7 +6405,7 @@ toc_adjusting_stub_needed (struct bfd_link_info *info, asection *isec)
{ {
unsigned long insn = bfd_get_32 (isec->owner, contents + i); unsigned long insn = bfd_get_32 (isec->owner, contents + i);
/* Is this a branch? */ /* Is this a branch? */
if ((insn & (0x1f << 26)) == (18 << 26) if ((insn & (0x3f << 26)) == (18 << 26)
/* If branch and link, it's a function call. */ /* If branch and link, it's a function call. */
&& ((insn & 1) != 0 && ((insn & 1) != 0
/* Sibling calls use a plain branch. I don't know a way /* Sibling calls use a plain branch. I don't know a way
@ -7318,10 +7322,10 @@ ppc64_elf_relocate_section (bfd *output_bfd,
{ {
bfd_vma insn, rtra; bfd_vma insn, rtra;
insn = bfd_get_32 (output_bfd, contents + rel->r_offset); insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
if ((insn & ((31 << 26) | (31 << 11))) if ((insn & ((0x3f << 26) | (31 << 11)))
== ((31 << 26) | (13 << 11))) == ((31 << 26) | (13 << 11)))
rtra = insn & ((1 << 26) - (1 << 16)); rtra = insn & ((1 << 26) - (1 << 16));
else if ((insn & ((31 << 26) | (31 << 16))) else if ((insn & ((0x3f << 26) | (31 << 16)))
== ((31 << 26) | (13 << 16))) == ((31 << 26) | (13 << 16)))
rtra = (insn & (31 << 21)) | ((insn & (31 << 11)) << 5); rtra = (insn & (31 << 21)) | ((insn & (31 << 11)) << 5);
else else