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* elf32-i386.c (elf_i386_link_hash_table): Add next_tls_desc_index.
	(elf_i386_link_hash_table_create): Initialize it.
	(elf_i386_compute_jump_table_size): Use it instead of
	srelplt->reloc_count.
	(allocate_dynrelocs): Likewise.
	(elf_i386_size_dynamic_sections): Likewise.
	(elf_i386_relocate_section): Likewise.

ld/testsuite/
	* ld-i386/emit-relocs.s, ld-i386/emit-relocs.d: New test.
	* ld-i386/i386.exp: Run it.
This commit is contained in:
Richard Sandiford 2006-02-28 07:16:12 +00:00
parent cc10cae34a
commit 5ae0bfb60a
6 changed files with 36 additions and 7 deletions
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10
bfd/ChangeLog
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@ -1,3 +1,13 @@
2006-02-28 Richard Sandiford <richard@codesourcery.com>
* elf32-i386.c (elf_i386_link_hash_table): Add next_tls_desc_index.
(elf_i386_link_hash_table_create): Initialize it.
(elf_i386_compute_jump_table_size): Use it instead of
srelplt->reloc_count.
(allocate_dynrelocs): Likewise.
(elf_i386_size_dynamic_sections): Likewise.
(elf_i386_relocate_section): Likewise.
2006-02-27 Jakub Jelinek <jakub@redhat.com>
* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Handle S flag.

17
bfd/elf32-i386.c
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@ -653,6 +653,9 @@ struct elf_i386_link_hash_table
/* Value used to fill the last word of the first plt entry. */
bfd_byte plt0_pad_byte;
/* The index of the next unused R_386_TLS_DESC slot in .rel.plt. */
bfd_vma next_tls_desc_index;
union {
bfd_signed_vma refcount;
bfd_vma offset;
@ -672,7 +675,7 @@ struct elf_i386_link_hash_table
((struct elf_i386_link_hash_table *) ((p)->hash))
#define elf_i386_compute_jump_table_size(htab) \
((htab)->srelplt->reloc_count * 4)
((htab)->next_tls_desc_index * 4)
/* Create an entry in an i386 ELF linker hash table. */
@ -732,6 +735,7 @@ elf_i386_link_hash_table_create (bfd *abfd)
ret->sdynbss = NULL;
ret->srelbss = NULL;
ret->tls_ldm_got.refcount = 0;
ret->next_tls_desc_index = 0;
ret->sgotplt_jump_table_size = 0;
ret->sym_sec.abfd = NULL;
ret->is_vxworks = 0;
@ -1639,7 +1643,7 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
/* We also need to make an entry in the .rel.plt section. */
htab->srelplt->size += sizeof (Elf32_External_Rel);
htab->srelplt->reloc_count++;
htab->next_tls_desc_index++;
if (htab->is_vxworks && !info->shared)
{
@ -2021,7 +2025,7 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
for them, it suffices to multiply the reloc count by the jump
slot size. */
if (htab->srelplt)
htab->sgotplt_jump_table_size = htab->srelplt->reloc_count * 4;
htab->sgotplt_jump_table_size = htab->next_tls_desc_index * 4;
/* We now have determined the sizes of the various dynamic sections.
Allocate memory for them. */
@ -2054,8 +2058,7 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
if (s != htab->srelplt)
s->reloc_count = 0;
s->reloc_count = 0;
}
else
{
@ -2997,8 +3000,8 @@ elf_i386_relocate_section (bfd *output_bfd,
+ htab->sgotplt_jump_table_size);
sreloc = htab->srelplt;
loc = sreloc->contents;
loc += sreloc->reloc_count++
* sizeof (Elf32_External_Rel);
loc += (htab->next_tls_desc_index++
* sizeof (Elf32_External_Rel));
BFD_ASSERT (loc + sizeof (Elf32_External_Rel)
<= sreloc->contents + sreloc->size);
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);

5
ld/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2006-02-28 Richard Sandiford <richard@codesourcery.com>
* ld-i386/emit-relocs.s, ld-i386/emit-relocs.d: New test.
* ld-i386/i386.exp: Run it.
2006-02-23 H.J. Lu <hongjiu.lu@intel.com>
* ld-pie/weakundef-data.c: Fix the typo.

8
ld/testsuite/ld-i386/emit-relocs.d Normal file
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@ -0,0 +1,8 @@
Relocation section '\.rel\.plt' at offset .* contains 1 entries:
Offset Info Type Sym\.Value Sym\. Name
.* .*07 R_386_JUMP_SLOT 00000000 foo
Relocation section '\.rel\.text' at offset .* contains 1 entries:
Offset Info Type Sym\.Value Sym\. Name
.* .*04 R_386_PLT32 00000000 foo

1
ld/testsuite/ld-i386/emit-relocs.s Normal file
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@ -0,0 +1 @@
call foo@plt

2
ld/testsuite/ld-i386/i386.exp
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@ -75,6 +75,8 @@ set i386tests {
{{objdump -drj.text tlsindntpoff.dd}} "tlsindntpoff"}
{"Reloc section order" "-shared -melf_i386 -z nocombreloc" "--32"
{reloc.s} {{objdump -hw reloc.d}} "reloc.so"}
{"Basic --emit-relocs support" "-shared -melf_i386 --emit-relocs" "--32"
{emit-relocs.s} {{readelf --relocs emit-relocs.d}} "emit-relocs.so"}
{"-z combreloc relocation sections" "-shared -melf_i386 -z combreloc"
"--32" {combreloc.s} {{readelf -r combreloc.d}} "combreloc.so"}
}