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Группа :: Разработка/Прочее
Пакет: binutils
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2007-02-13 Alan Modra <amodra@bigpond.net.au>
* elf64-ppc.c (create_linkage_sections): Use section ".branch_lt"
for branch lookup table.
* emulparams/elf64ppc.sh (OTHER_READWRITE_SECTIONS): Add ".branch_lt".
* emultempl/ppc64elf.em (ppc_add_stub_section): Create without
SEC_RELOC flag set.
* ld-powerpc/relbrlt.d: Update.
* ld-powerpc/tlsexe.r: Update.
* ld-powerpc/tlsexetoc.r: Update.
* ld-powerpc/tlsso.r: Update.
* ld-powerpc/tlstocso.r: Update.
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.
* ld-powerpc/relbrlt.d: Update.
--- bfd/elf64-ppc.c 1 Feb 2007 05:35:58 -0000 1.255
+++ bfd/elf64-ppc.c 13 Feb 2007 01:53:02 -0000 1.257
@@ -3818,45 +3818,22 @@ create_linkage_sections (bfd *dynobj, st
return FALSE;
/* Create branch lookup table for plt_branch stubs. */
- if (info->shared)
- {- flags = (SEC_ALLOC | SEC_LOAD
- | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- htab->brlt
- = bfd_make_section_anyway_with_flags (dynobj, ".data.rel.ro.brlt",
- flags);
- }
- else
- {- flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY
- | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- htab->brlt
- = bfd_make_section_anyway_with_flags (dynobj, ".rodata.brlt", flags);
- }
-
+ flags = (SEC_ALLOC | SEC_LOAD
+ | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
+ htab->brlt = bfd_make_section_anyway_with_flags (dynobj, ".branch_lt",
+ flags);
if (htab->brlt == NULL
|| ! bfd_set_section_alignment (dynobj, htab->brlt, 3))
return FALSE;
- if (info->shared)
- {- 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.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
+ if (!info->shared)
return TRUE;
+ 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.branch_lt",
+ flags);
if (!htab->relbrlt
|| ! bfd_set_section_alignment (dynobj, htab->relbrlt, 3))
return FALSE;
@@ -8394,6 +8371,33 @@ ppc_build_one_stub (struct bfd_hash_entr
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 +8627,11 @@ ppc_size_one_stub (struct bfd_hash_entry
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 +8639,11 @@ ppc_size_one_stub (struct bfd_hash_entry
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 +9435,12 @@ 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 +11454,17 @@ ppc64_elf_finish_dynamic_sections (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. */
--- ld/emulparams/elf64ppc.sh 30 May 2006 16:45:32 -0000 1.18
+++ ld/emulparams/elf64ppc.sh 13 Feb 2007 01:53:03 -0000 1.19
@@ -31,7 +31,8 @@ OTHER_GOT_RELOC_SECTIONS="
.rela.toc ${RELOCATING-0} : { *(.rela.toc) }"OTHER_READWRITE_SECTIONS="
.toc1 ${RELOCATING-0} :${RELOCATING+ ALIGN(8)} { *(.toc1) }- .opd ${RELOCATING-0} :${RELOCATING+ ALIGN(8)} { KEEP (*(.opd)) }"+ .opd ${RELOCATING-0} :${RELOCATING+ ALIGN(8)} { KEEP (*(.opd)) }+ .branch_lt ${RELOCATING-0} :${RELOCATING+ ALIGN(8)} { *(.branch_lt) }"# Treat a host that matches the target with the possible exception of "64"
# in the name as if it were native.
--- ld/emultempl/ppc64elf.em 20 Jun 2006 02:22:14 -0000 1.50
+++ ld/emultempl/ppc64elf.em 13 Feb 2007 01:53:03 -0000 1.51
@@ -225,7 +225,7 @@ ppc_add_stub_section (const char *stub_s
goto err_ret;
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
- | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP);
+ | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP);
if (!bfd_set_section_flags (stub_file->the_bfd, stub_sec, flags))
goto err_ret;
--- ld/testsuite/ld-powerpc/relbrlt.d 24 Oct 2006 13:29:37 -0000 1.1
+++ ld/testsuite/ld-powerpc/relbrlt.d 13 Feb 2007 01:53:03 -0000 1.3
@@ -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*100000b0 <_start>:
+[0-9a-f ]*: 49 bf 00 31 bl .*
+[0-9a-f ]*: R_PPC64_REL24 \.text\+0x37e0044
+[0-9a-f ]*: 60 00 00 00 nop
+[0-9a-f ]*: 49 bf 00 19 bl .*
+[0-9a-f ]*: R_PPC64_REL24 \.text\+0x3bf0020
+[0-9a-f ]*: 60 00 00 00 nop
+[0-9a-f ]*: 49 bf 00 25 bl .*
+[0-9a-f ]*: R_PPC64_REL24 \.text\+0x57e0024
+[0-9a-f ]*: 60 00 00 00 nop
+[0-9a-f ]*: 00 00 00 00 \.long 0x0
+[0-9a-f ]*: 4b ff ff e4 b .* <_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
+[0-9a-f ]*<.*plt_branch.*>:
+[0-9a-f ]*: 3d 82 00 00 addis r12,r2,0
+[0-9a-f ]*: e9 6c 80 00 ld r11,-32768\(r12\)
+[0-9a-f ]*: 7d 69 03 a6 mtctr r11
+[0-9a-f ]*: 4e 80 04 20 bctr
+
+[0-9a-f ]*<.*long_branch.*>:
+[0-9a-f ]*: 49 bf 00 14 b .* <far>
+[0-9a-f ]*: R_PPC64_REL24 \*ABS\*\+0x137e00f4
+
+[0-9a-f ]*<.*plt_branch.*>:
+[0-9a-f ]*: 3d 82 00 00 addis r12,r2,0
+[0-9a-f ]*: e9 6c 80 08 ld r11,-32760\(r12\)
+[0-9a-f ]*: 7d 69 03 a6 mtctr r11
+[0-9a-f ]*: 4e 80 04 20 bctr
\.\.\.
-0*137e00ec <far>:
- 137e00ec: 4e 80 00 20 blr
+0*137e00f4 <far>:
+[0-9a-f ]*: 4e 80 00 20 blr
\.\.\.
-0*13bf00c8 <far2far>:
- 13bf00c8: 4e 80 00 20 blr
+[0-9a-f ]*<far2far>:
+[0-9a-f ]*: 4e 80 00 20 blr
\.\.\.
-0*157e00cc <huge>:
- 157e00cc: 4e 80 00 20 blr
+[0-9a-f ]*<huge>:
+[0-9a-f ]*: 4e 80 00 20 blr
--- ld/testsuite/ld-powerpc/tlsexe.r 17 Aug 2006 08:21:06 -0000 1.18
+++ ld/testsuite/ld-powerpc/tlsexe.r 13 Feb 2007 01:53:03 -0000 1.19
@@ -17,10 +17,10 @@ Section Headers:
+\[ 5\] \.rela\.dyn +.*
+\[ 6\] \.rela\.plt +.*
+\[ 7\] \.text +PROGBITS .* 0+100 0+ +AX +0 +0 +8
- +\[ 8\] \.rodata + PROGBITS .* 0+ 0+ +A +0 +0 +8
- +\[ 9\] \.tdata +PROGBITS .* 0+38 0+ WAT +0 +0 +8
- +\[10\] \.tbss +NOBITS .* 0+38 0+ WAT +0 +0 +8
- +\[11\] \.dynamic +DYNAMIC .* 0+150 10 +WA +4 +0 +8
+ +\[ 8\] \.tdata +PROGBITS .* 0+38 0+ WAT +0 +0 +8
+ +\[ 9\] \.tbss +NOBITS .* 0+38 0+ WAT +0 +0 +8
+ +\[10\] \.dynamic +DYNAMIC .* 0+150 10 +WA +4 +0 +8
+ +\[11\] \.branch_lt + PROGBITS .* 0+ 0+ +WA +0 +0 +8
+\[12\] \.got +PROGBITS .* 0+30 08 +WA +0 +0 +8
+\[13\] \.plt +.*
+\[14\] \.shstrtab +.*
@@ -67,7 +67,7 @@ Symbol table '\.dynsym' contains [0-9]+
.* TLS +GLOBAL DEFAULT +UND gd
.* FUNC +GLOBAL DEFAULT +UND __tls_get_addr
.* TLS +GLOBAL DEFAULT +UND ld
-.* TLS +GLOBAL DEFAULT +10 ld2
+.* TLS +GLOBAL DEFAULT +9 ld2
.* NOTYPE +GLOBAL DEFAULT +ABS __bss_start
.* NOTYPE +GLOBAL DEFAULT +ABS _edata
.* NOTYPE +GLOBAL DEFAULT +ABS _end
@@ -88,26 +88,26 @@ Symbol table '\.symtab' contains .* entr
.* SECTION LOCAL +DEFAULT +11
.* SECTION LOCAL +DEFAULT +12
.* SECTION LOCAL +DEFAULT +13
-.* TLS +LOCAL +DEFAULT +9 gd4
-.* TLS +LOCAL +DEFAULT +9 ld4
-.* TLS +LOCAL +DEFAULT +9 ld5
-.* TLS +LOCAL +DEFAULT +9 ld6
-.* TLS +LOCAL +DEFAULT +9 ie4
-.* TLS +LOCAL +DEFAULT +9 le4
-.* TLS +LOCAL +DEFAULT +9 le5
-.* OBJECT +LOCAL +HIDDEN +11 _DYNAMIC
+.* TLS +LOCAL +DEFAULT +8 gd4
+.* TLS +LOCAL +DEFAULT +8 ld4
+.* TLS +LOCAL +DEFAULT +8 ld5
+.* TLS +LOCAL +DEFAULT +8 ld6
+.* TLS +LOCAL +DEFAULT +8 ie4
+.* TLS +LOCAL +DEFAULT +8 le4
+.* TLS +LOCAL +DEFAULT +8 le5
+.* OBJECT +LOCAL +HIDDEN +10 _DYNAMIC
.* FUNC +LOCAL +DEFAULT +UND \.__tls_get_addr
.* GLOBAL DEFAULT +UND gd
-.* GLOBAL DEFAULT +10 le0
+.* GLOBAL DEFAULT +9 le0
.* GLOBAL DEFAULT +UND __tls_get_addr
-.* GLOBAL DEFAULT +10 ld0
-.* GLOBAL DEFAULT +10 le1
+.* GLOBAL DEFAULT +9 ld0
+.* GLOBAL DEFAULT +9 le1
.* GLOBAL DEFAULT +UND ld
.* NOTYPE +GLOBAL DEFAULT +7 _start
-.* TLS +GLOBAL DEFAULT +10 ld2
-.* TLS +GLOBAL DEFAULT +10 ld1
+.* TLS +GLOBAL DEFAULT +9 ld2
+.* TLS +GLOBAL DEFAULT +9 ld1
.* NOTYPE +GLOBAL DEFAULT +ABS __bss_start
.* NOTYPE +GLOBAL DEFAULT +ABS _edata
.* NOTYPE +GLOBAL DEFAULT +ABS _end
-.* TLS +GLOBAL DEFAULT +10 gd0
-.* TLS +GLOBAL DEFAULT +10 ie0
+.* TLS +GLOBAL DEFAULT +9 gd0
+.* TLS +GLOBAL DEFAULT +9 ie0
--- ld/testsuite/ld-powerpc/tlsexetoc.r 17 Aug 2006 08:21:06 -0000 1.19
+++ ld/testsuite/ld-powerpc/tlsexetoc.r 13 Feb 2007 01:53:03 -0000 1.20
@@ -17,10 +17,10 @@ Section Headers:
+\[ 5\] \.rela\.dyn +.*
+\[ 6\] \.rela\.plt +.*
+\[ 7\] \.text +PROGBITS .* 0+c0 0+ +AX +0 +0 +8
- +\[ 8\] \.rodata +PROGBITS .* 0+ 0+ +A +0 +0 +8
- +\[ 9\] \.tdata +PROGBITS .* 0+38 0+ WAT +0 +0 +8
- +\[10\] \.tbss +NOBITS .* 0+38 0+ WAT +0 +0 +8
- +\[11\] \.dynamic +DYNAMIC .* 0+150 10 +WA +4 +0 +8
+ +\[ 8\] \.tdata +PROGBITS .* 0+38 0+ WAT +0 +0 +8
+ +\[ 9\] \.tbss +NOBITS .* 0+38 0+ WAT +0 +0 +8
+ +\[10\] \.dynamic +DYNAMIC .* 0+150 10 +WA +4 +0 +8
+ +\[11\] \.branch_lt +PROGBITS .* 0+ 0+ +WA +0 +0 +8
+\[12\] \.got +PROGBITS .* 0+58 08 +WA +0 +0 +8
+\[13\] \.plt +.*
+\[14\] \.shstrtab +.*
@@ -87,27 +87,27 @@ Symbol table '\.symtab' contains .* entr
.* SECTION LOCAL +DEFAULT +11
.* SECTION LOCAL +DEFAULT +12
.* SECTION LOCAL +DEFAULT +13
-.* TLS +LOCAL +DEFAULT +9 gd4
-.* TLS +LOCAL +DEFAULT +9 ld4
-.* TLS +LOCAL +DEFAULT +9 ld5
-.* TLS +LOCAL +DEFAULT +9 ld6
-.* TLS +LOCAL +DEFAULT +9 ie4
-.* TLS +LOCAL +DEFAULT +9 le4
-.* TLS +LOCAL +DEFAULT +9 le5
+.* TLS +LOCAL +DEFAULT +8 gd4
+.* TLS +LOCAL +DEFAULT +8 ld4
+.* TLS +LOCAL +DEFAULT +8 ld5
+.* TLS +LOCAL +DEFAULT +8 ld6
+.* TLS +LOCAL +DEFAULT +8 ie4
+.* TLS +LOCAL +DEFAULT +8 le4
+.* TLS +LOCAL +DEFAULT +8 le5
.* NOTYPE +LOCAL +DEFAULT +12 \.Lie0
-.* OBJECT +LOCAL +HIDDEN +11 _DYNAMIC
+.* OBJECT +LOCAL +HIDDEN +10 _DYNAMIC
.* FUNC +LOCAL +DEFAULT +UND \.__tls_get_addr
.* TLS +GLOBAL DEFAULT +UND gd
-.* TLS +GLOBAL DEFAULT +10 le0
+.* TLS +GLOBAL DEFAULT +9 le0
.* FUNC +GLOBAL DEFAULT +UND __tls_get_addr
-.* TLS +GLOBAL DEFAULT +10 ld0
-.* TLS +GLOBAL DEFAULT +10 le1
+.* TLS +GLOBAL DEFAULT +9 ld0
+.* TLS +GLOBAL DEFAULT +9 le1
.* TLS +GLOBAL DEFAULT +UND ld
.* NOTYPE +GLOBAL DEFAULT +7 _start
-.* TLS +GLOBAL DEFAULT +10 ld2
-.* TLS +GLOBAL DEFAULT +10 ld1
+.* TLS +GLOBAL DEFAULT +9 ld2
+.* TLS +GLOBAL DEFAULT +9 ld1
.* NOTYPE +GLOBAL DEFAULT +ABS __bss_start
.* NOTYPE +GLOBAL DEFAULT +ABS _edata
.* NOTYPE +GLOBAL DEFAULT +ABS _end
-.* TLS +GLOBAL DEFAULT +10 gd0
-.* TLS +GLOBAL DEFAULT +10 ie0
+.* TLS +GLOBAL DEFAULT +9 gd0
+.* TLS +GLOBAL DEFAULT +9 ie0
--- ld/testsuite/ld-powerpc/tlsso.r 17 Oct 2006 13:41:48 -0000 1.18
+++ ld/testsuite/ld-powerpc/tlsso.r 13 Feb 2007 01:53:03 -0000 1.19
@@ -17,8 +17,8 @@ Section Headers:
+\[ 6\] \.text .*
+\[ 7\] \.tdata +PROGBITS .* 0+38 0+ WAT +0 +0 +8
+\[ 8\] \.tbss +NOBITS .* 0+38 0+ WAT +0 +0 +8
- +\[ 9\] \.data\.rel\.ro .*
- +\[10\] \.dynamic .*
+ +\[ 9\] \.dynamic .*
+ +\[10\] \.branch_lt .*
+\[11\] \.got .*
+\[12\] \.plt .*
+\[13\] \.shstrtab .*
--- ld/testsuite/ld-powerpc/tlstocso.r 17 Oct 2006 13:41:48 -0000 1.18
+++ ld/testsuite/ld-powerpc/tlstocso.r 13 Feb 2007 01:53:03 -0000 1.19
@@ -17,8 +17,8 @@ Section Headers:
+\[ 6\] \.text .*
+\[ 7\] \.tdata +PROGBITS .* 0+38 0+ WAT +0 +0 +8
+\[ 8\] \.tbss +NOBITS .* 0+38 0+ WAT +0 +0 +8
- +\[ 9\] \.data\.rel\.ro .*
- +\[10\] \.dynamic .*
+ +\[ 9\] \.dynamic .*
+ +\[10\] \.branch_lt .*
+\[11\] \.got .*
+\[12\] \.plt .*
+\[13\] \.shstrtab .*