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authorAlan Modra <amodra@bigpond.net.au>2008-11-20 08:47:10 +0000
committerAlan Modra <amodra@bigpond.net.au>2008-11-20 08:47:10 +0000
commit676a20717edc396f86029a073c33780bb90ec25e (patch)
tree08f3cfc7abcd0803a0a808ae11a0fa299d74f5ef
parentc5cc2e3a07d423db9a91f7cc5fecd2c77d9e20fd (diff)
downloadgdb-676a20717edc396f86029a073c33780bb90ec25e.tar.gz
* elf32-ppc.c (allocate_dynrelocs): Always use tlsld_got for
TLS_LD even when symbol is used with other TLS reloc types. (ppc_elf_relocate_section): Bypass symbol checks when using tlsld_got. Leave addend zero on LD DTPMOD dynamic reloc.
-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/elf32-ppc.c82
2 files changed, 50 insertions, 39 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 3e5a87b035f..34be6492017 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2008-11-20 Alan Modra <amodra@bigpond.net.au>
+
+ * elf32-ppc.c (allocate_dynrelocs): Always use tlsld_got for
+ TLS_LD even when symbol is used with other TLS reloc types.
+ (ppc_elf_relocate_section): Bypass symbol checks when using tlsld_got.
+ Leave addend zero on LD DTPMOD dynamic reloc.
+
2008-11-19 Bob Wilson <bob.wilson@acm.org>
* xtensa-modules.c (sysregs): Add MMID, VECBASE, EPC5, EPC6, EPC7,
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index 83a927428a9..55348aefa39 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -5024,6 +5024,9 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
eh = (struct ppc_elf_link_hash_entry *) h;
if (eh->elf.got.refcount > 0)
{
+ bfd_boolean dyn;
+ unsigned int need;
+
/* Make sure this symbol is output as a dynamic symbol. */
if (eh->elf.dynindx == -1
&& !eh->elf.forced_local
@@ -5033,30 +5036,32 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
return FALSE;
}
- if (eh->tls_mask == (TLS_TLS | TLS_LD)
- && !eh->elf.def_dynamic)
- {
- /* If just an LD reloc, we'll just use htab->tlsld_got.offset. */
- htab->tlsld_got.refcount += 1;
- eh->elf.got.offset = (bfd_vma) -1;
- }
- else
+ need = 0;
+ if ((eh->tls_mask & TLS_TLS) != 0)
{
- bfd_boolean dyn;
- unsigned int need = 0;
- if ((eh->tls_mask & TLS_TLS) != 0)
+ if ((eh->tls_mask & TLS_LD) != 0)
{
- if ((eh->tls_mask & TLS_LD) != 0)
- need += 8;
- if ((eh->tls_mask & TLS_GD) != 0)
+ if (!eh->elf.def_dynamic)
+ /* We'll just use htab->tlsld_got.offset. This should
+ always be the case. It's a little odd if we have
+ a local dynamic reloc against a non-local symbol. */
+ htab->tlsld_got.refcount += 1;
+ else
need += 8;
- if ((eh->tls_mask & (TLS_TPREL | TLS_TPRELGD)) != 0)
- need += 4;
- if ((eh->tls_mask & TLS_DTPREL) != 0)
- need += 4;
}
- else
+ if ((eh->tls_mask & TLS_GD) != 0)
+ need += 8;
+ if ((eh->tls_mask & (TLS_TPREL | TLS_TPRELGD)) != 0)
+ need += 4;
+ if ((eh->tls_mask & TLS_DTPREL) != 0)
need += 4;
+ }
+ else
+ need += 4;
+ if (need == 0)
+ eh->elf.got.offset = (bfd_vma) -1;
+ else
+ {
eh->elf.got.offset = allocate_got (htab, need);
dyn = htab->elf.dynamic_sections_created;
if ((info->shared
@@ -5066,7 +5071,8 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
{
/* All the entries we allocated need relocs.
Except LD only needs one. */
- if ((eh->tls_mask & TLS_LD) != 0)
+ if ((eh->tls_mask & TLS_LD) != 0
+ && eh->elf.def_dynamic)
need -= 4;
htab->relgot->size += need * (sizeof (Elf32_External_Rela) / 4);
}
@@ -5302,27 +5308,24 @@ ppc_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
for (; local_got < end_local_got; ++local_got, ++lgot_masks)
if (*local_got > 0)
{
- if (*lgot_masks == (TLS_TLS | TLS_LD))
+ unsigned int need = 0;
+ if ((*lgot_masks & TLS_TLS) != 0)
{
- /* If just an LD reloc, we'll just use
- htab->tlsld_got.offset. */
- htab->tlsld_got.refcount += 1;
- *local_got = (bfd_vma) -1;
+ if ((*lgot_masks & TLS_GD) != 0)
+ need += 8;
+ if ((*lgot_masks & TLS_LD) != 0)
+ htab->tlsld_got.refcount += 1;
+ if ((*lgot_masks & (TLS_TPREL | TLS_TPRELGD)) != 0)
+ need += 4;
+ if ((*lgot_masks & TLS_DTPREL) != 0)
+ need += 4;
}
else
+ need += 4;
+ if (need == 0)
+ *local_got = (bfd_vma) -1;
+ else
{
- unsigned int need = 0;
- if ((*lgot_masks & TLS_TLS) != 0)
- {
- if ((*lgot_masks & TLS_GD) != 0)
- need += 8;
- if ((*lgot_masks & (TLS_TPREL | TLS_TPRELGD)) != 0)
- need += 4;
- if ((*lgot_masks & TLS_DTPREL) != 0)
- need += 4;
- }
- else
- need += 4;
*local_got = allocate_got (htab, need);
if (info->shared)
htab->relgot->size += (need
@@ -6587,7 +6590,8 @@ ppc_elf_relocate_section (bfd *output_bfd,
/* Generate relocs for the dynamic linker. */
if ((info->shared || indx != 0)
- && (h == NULL
+ && (offp == &htab->tlsld_got.offset
+ || h == NULL
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak))
{
@@ -6618,7 +6622,7 @@ ppc_elf_relocate_section (bfd *output_bfd,
outrel.r_info = ELF32_R_INFO (indx, R_PPC_RELATIVE);
else
outrel.r_info = ELF32_R_INFO (indx, R_PPC_GLOB_DAT);
- if (indx == 0)
+ if (indx == 0 && tls_ty != (TLS_TLS | TLS_LD))
{
outrel.r_addend += relocation;
if (tls_ty & (TLS_GD | TLS_DTPREL | TLS_TPREL))