aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAlan Modra <amodra@gmail.com>2007-02-12 12:02:58 +0000
committerAlan Modra <amodra@gmail.com>2007-02-12 12:02:58 +0000
commit84f5d08e6b2cc79becc9a7dcad5c4ad9ba1959b1 (patch)
treec0ea8ebea1953e5b0c523748d4a1aae3f9c84b28
parent4aac632ee9db7d3ff11e6ee1ca4f487ac6868e46 (diff)
downloadgdb-84f5d08e6b2cc79becc9a7dcad5c4ad9ba1959b1.zip
gdb-84f5d08e6b2cc79becc9a7dcad5c4ad9ba1959b1.tar.gz
gdb-84f5d08e6b2cc79becc9a7dcad5c4ad9ba1959b1.tar.bz2
bfd/
* elf64-ppc.c (create_linkage_sections): Don't create .rela.rodata.brlt for --emit-relocs. (ppc_build_one_stub): Create relocs for brlt --emit-relocs here. (ppc_size_one_stub): Count them. Simplify test of stub type when counting stub relocs. Set SEC_RELOC too. (ppc64_elf_size_stubs): Clear reloc_count and SEC_RELOC. (ppc64_elf_finish_dynamic_sections): Output brlt relocs. ld/testsuite/ * ld-powerpc/relbrlt.d: Update.
-rw-r--r--bfd/ChangeLog10
-rw-r--r--bfd/elf64-ppc.c66
-rw-r--r--ld/testsuite/ChangeLog4
-rw-r--r--ld/testsuite/ld-powerpc/relbrlt.d66
4 files changed, 99 insertions, 47 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 605c795..9410510 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,15 @@
2007-02-12 Alan Modra <amodra@bigpond.net.au>
+ * elf64-ppc.c (create_linkage_sections): Don't create
+ .rela.rodata.brlt for --emit-relocs.
+ (ppc_build_one_stub): Create relocs for brlt --emit-relocs here.
+ (ppc_size_one_stub): Count them. Simplify test of stub type
+ when counting stub relocs. Set SEC_RELOC too.
+ (ppc64_elf_size_stubs): Clear reloc_count and SEC_RELOC.
+ (ppc64_elf_finish_dynamic_sections): Output brlt relocs.
+
+2007-02-12 Alan Modra <amodra@bigpond.net.au>
+
* elflink.c (evaluate_complex_relocation_symbols): Ignore relocs
with a zero symbol index.
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index a354957..41a917a 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -1,5 +1,5 @@
/* PowerPC64-specific support for 64-bit ELF.
- Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
Written by Linus Nordberg, Swox AB <info@swox.com>,
based on elf32-ppc.c by Ian Lance Taylor.
@@ -3846,14 +3846,6 @@ create_linkage_sections (bfd *dynobj, struct bfd_link_info *info)
= bfd_make_section_anyway_with_flags (dynobj, ".rela.data.rel.ro.brlt",
flags);
}
- else if (info->emitrelocations)
- {
- flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY
- | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- htab->relbrlt
- = bfd_make_section_anyway_with_flags (dynobj, ".rela.rodata.brlt",
- flags);
- }
else
return TRUE;
@@ -8394,6 +8386,33 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
rl += htab->relbrlt->reloc_count++ * sizeof (Elf64_External_Rela);
bfd_elf64_swap_reloca_out (htab->relbrlt->owner, &rela, rl);
}
+ else if (info->emitrelocations)
+ {
+ Elf_Internal_Rela *relocs, *r;
+ struct bfd_elf_section_data *elfsec_data;
+
+ elfsec_data = elf_section_data (htab->brlt);
+ relocs = elfsec_data->relocs;
+ if (relocs == NULL)
+ {
+ bfd_size_type relsize;
+ relsize = htab->brlt->reloc_count * sizeof (*relocs);
+ relocs = bfd_alloc (htab->brlt->owner, relsize);
+ if (relocs == NULL)
+ return FALSE;
+ elfsec_data->relocs = relocs;
+ elfsec_data->rel_hdr.sh_size = relsize;
+ elfsec_data->rel_hdr.sh_entsize = 24;
+ htab->brlt->reloc_count = 0;
+ }
+ r = relocs + htab->brlt->reloc_count;
+ htab->brlt->reloc_count += 1;
+ r->r_offset = (br_entry->offset
+ + htab->brlt->output_offset
+ + htab->brlt->output_section->vma);
+ r->r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
+ r->r_addend = off;
+ }
off = (br_entry->offset
+ htab->brlt->output_offset
@@ -8623,6 +8642,11 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
if (htab->relbrlt != NULL)
htab->relbrlt->size += sizeof (Elf64_External_Rela);
+ else if (info->emitrelocations)
+ {
+ htab->brlt->reloc_count += 1;
+ htab->brlt->flags |= SEC_RELOC;
+ }
}
stub_entry->stub_type += ppc_stub_plt_branch - ppc_stub_long_branch;
@@ -8630,11 +8654,11 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
if (stub_entry->stub_type != ppc_stub_plt_branch)
size = 28;
}
-
- if (info->emitrelocations
- && (stub_entry->stub_type == ppc_stub_long_branch
- || stub_entry->stub_type == ppc_stub_long_branch_r2off))
- stub_entry->stub_sec->reloc_count += 1;
+ else if (info->emitrelocations)
+ {
+ stub_entry->stub_sec->reloc_count += 1;
+ stub_entry->stub_sec->flags |= SEC_RELOC;
+ }
}
stub_entry->stub_sec->size += size;
@@ -9426,9 +9450,12 @@ ppc64_elf_size_stubs (bfd *output_bfd,
stub_sec->rawsize = stub_sec->size;
stub_sec->size = 0;
stub_sec->reloc_count = 0;
+ stub_sec->flags &= ~SEC_RELOC;
}
htab->brlt->size = 0;
+ htab->brlt->reloc_count = 0;
+ htab->brlt->flags &= ~SEC_RELOC;
if (htab->relbrlt != NULL)
htab->relbrlt->size = 0;
@@ -11442,6 +11469,17 @@ ppc64_elf_finish_dynamic_sections (bfd *output_bfd,
= PLT_ENTRY_SIZE;
}
+ /* brlt is SEC_LINKER_CREATED, so we need to write out relocs for
+ brlt ourselves if emitrelocations. */
+ if (htab->brlt != NULL
+ && htab->brlt->reloc_count != 0
+ && !_bfd_elf_link_output_relocs (output_bfd,
+ htab->brlt,
+ &elf_section_data (htab->brlt)->rel_hdr,
+ elf_section_data (htab->brlt)->relocs,
+ NULL))
+ return FALSE;
+
/* We need to handle writing out multiple GOT sections ourselves,
since we didn't add them to DYNOBJ. We know dynobj is the first
bfd. */
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 455be58..fbd449a 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2007-02-12 Alan Modra <amodra@bigpond.net.au>
+
+ * ld-powerpc/relbrlt.d: Update.
+
2007-02-06 Nick Clifton <nickc@redhat.com>
PR ld/3805
diff --git a/ld/testsuite/ld-powerpc/relbrlt.d b/ld/testsuite/ld-powerpc/relbrlt.d
index 3638072..7622ed6 100644
--- a/ld/testsuite/ld-powerpc/relbrlt.d
+++ b/ld/testsuite/ld-powerpc/relbrlt.d
@@ -7,44 +7,44 @@
Disassembly of section \.text:
-0*100000a8 <_start>:
- 100000a8: 49 bf 00 31 bl 11bf00d8 .*
- 100000a8: R_PPC64_REL24 \.text\+0x37e0044
- 100000ac: 60 00 00 00 nop
- 100000b0: 49 bf 00 19 bl 11bf00c8 .*
- 100000b0: R_PPC64_REL24 \.text\+0x3bf0020
- 100000b4: 60 00 00 00 nop
- 100000b8: 49 bf 00 25 bl 11bf00dc .*
- 100000b8: R_PPC64_REL24 \.text\+0x57e0024
- 100000bc: 60 00 00 00 nop
- 100000c0: 00 00 00 00 \.long 0x0
- 100000c4: 4b ff ff e4 b 100000a8 <_start>
+0*10000078 <_start>:
+ 10000078: 49 bf 00 31 bl 11bf00a8 .*
+ 10000078: R_PPC64_REL24 \.text\+0x37e0044
+ 1000007c: 60 00 00 00 nop
+ 10000080: 49 bf 00 19 bl 11bf0098 .*
+ 10000080: R_PPC64_REL24 \.text\+0x3bf0020
+ 10000084: 60 00 00 00 nop
+ 10000088: 49 bf 00 25 bl 11bf00ac .*
+ 10000088: R_PPC64_REL24 \.text\+0x57e0024
+ 1000008c: 60 00 00 00 nop
+ 10000090: 00 00 00 00 \.long 0x0
+ 10000094: 4b ff ff e4 b 10000078 <_start>
\.\.\.
-0*11bf00c8 <.*plt_branch.*>:
- 11bf00c8: 3d 82 05 7e addis r12,r2,1406
- 11bf00cc: e9 6c 80 58 ld r11,-32680\(r12\)
- 11bf00d0: 7d 69 03 a6 mtctr r11
- 11bf00d4: 4e 80 04 20 bctr
-
-0*11bf00d8 <.*long_branch.*>:
- 11bf00d8: 49 bf 00 14 b 137e00ec <far>
- 11bf00d8: R_PPC64_REL24 \*ABS\*\+0x137e00ec
-
-0*11bf00dc <.*plt_branch.*>:
- 11bf00dc: 3d 82 05 7e addis r12,r2,1406
- 11bf00e0: e9 6c 80 60 ld r11,-32672\(r12\)
- 11bf00e4: 7d 69 03 a6 mtctr r11
- 11bf00e8: 4e 80 04 20 bctr
+0*11bf0098 <.*plt_branch.*>:
+ 11bf0098: 3d 82 05 7e addis r12,r2,1406
+ 11bf009c: e9 6c 80 28 ld r11,-32728\(r12\)
+ 11bf00a0: 7d 69 03 a6 mtctr r11
+ 11bf00a4: 4e 80 04 20 bctr
+
+0*11bf00a8 <.*long_branch.*>:
+ 11bf00a8: 49 bf 00 14 b 137e00bc <far>
+ 11bf00a8: R_PPC64_REL24 \*ABS\*\+0x137e00bc
+
+0*11bf00ac <.*plt_branch.*>:
+ 11bf00ac: 3d 82 05 7e addis r12,r2,1406
+ 11bf00b0: e9 6c 80 30 ld r11,-32720\(r12\)
+ 11bf00b4: 7d 69 03 a6 mtctr r11
+ 11bf00b8: 4e 80 04 20 bctr
\.\.\.
-0*137e00ec <far>:
- 137e00ec: 4e 80 00 20 blr
+0*137e00bc <far>:
+ 137e00bc: 4e 80 00 20 blr
\.\.\.
-0*13bf00c8 <far2far>:
- 13bf00c8: 4e 80 00 20 blr
+0*13bf0098 <far2far>:
+ 13bf0098: 4e 80 00 20 blr
\.\.\.
-0*157e00cc <huge>:
- 157e00cc: 4e 80 00 20 blr
+0*157e009c <huge>:
+ 157e009c: 4e 80 00 20 blr