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authorRichard Sandiford <rdsandiford@googlemail.com>2006-03-02 08:57:00 +0000
committerRichard Sandiford <rdsandiford@googlemail.com>2006-03-02 08:57:00 +0000
commit711de32caaff12a33dfcc10c0421388c7550bac0 (patch)
tree4356412f348c7c16a25aff55d8b5af2c9d50011f
parent83503a060f6c6afe5b411f0056a8c826b6bb3f5a (diff)
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bfd/
* elf32-i386.c (elf_i386_create_dynamic_sections): Use elf_vxworks_create_dynamic_sections. (elf_i386_size_dynamic_sections): Remove VxWorks GOT and PLT symbol handling. * elf32-ppc.c (ppc_elf_create_dynamic_sections): Use elf_vxworks_create_dynamic_sections. (ppc_elf_size_dynamic_sections): Remove VxWorks GOT and PLT symbol handling. * elf-vxworks.c (elf_vxworks_create_dynamic_sections): New function. * elf-vxworks.h (elf_vxworks_create_dynamic_sections): Declare. ld/testsuite/ * ld-i386/ld-i386/vxworks1-lib.nd: New test. * ld-i386/i386.exp: Run it. * ld-powerpc/ld-powerpc/vxworks1-lib.nd: New test. * ld-powerpc/powerc.exp: Run it.
-rw-r--r--bfd/ChangeLog13
-rw-r--r--bfd/elf-vxworks.c51
-rw-r--r--bfd/elf-vxworks.h2
-rw-r--r--bfd/elf32-i386.c32
-rw-r--r--bfd/elf32-ppc.c31
-rw-r--r--ld/testsuite/ChangeLog7
-rw-r--r--ld/testsuite/ld-i386/i386.exp3
-rw-r--r--ld/testsuite/ld-i386/vxworks1-lib.nd9
-rw-r--r--ld/testsuite/ld-powerpc/powerpc.exp3
-rw-r--r--ld/testsuite/ld-powerpc/vxworks1-lib.nd9
10 files changed, 101 insertions, 59 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 53c3ed3..0136341 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,18 @@
2006-03-02 Richard Sandiford <richard@codesourcery.com>
+ * elf32-i386.c (elf_i386_create_dynamic_sections): Use
+ elf_vxworks_create_dynamic_sections.
+ (elf_i386_size_dynamic_sections): Remove VxWorks GOT and PLT
+ symbol handling.
+ * elf32-ppc.c (ppc_elf_create_dynamic_sections): Use
+ elf_vxworks_create_dynamic_sections.
+ (ppc_elf_size_dynamic_sections): Remove VxWorks GOT and PLT
+ symbol handling.
+ * elf-vxworks.c (elf_vxworks_create_dynamic_sections): New function.
+ * elf-vxworks.h (elf_vxworks_create_dynamic_sections): Declare.
+
+2006-03-02 Richard Sandiford <richard@codesourcery.com>
+
* elf32-i386.c (elf_i386_vxworks_link_output_symbol_hook): Delete.
(elf_backend_link_output_symbol_hook): Use
elf_vxworks_link_output_symbol_hook instead.
diff --git a/bfd/elf-vxworks.c b/bfd/elf-vxworks.c
index 0dca07c..90e620a 100644
--- a/bfd/elf-vxworks.c
+++ b/bfd/elf-vxworks.c
@@ -55,6 +55,57 @@ elf_vxworks_add_symbol_hook (bfd *abfd ATTRIBUTE_UNUSED,
return TRUE;
}
+/* Perform VxWorks-specific handling of the create_dynamic_sections hook.
+ When creating an executable, set *SRELPLT2_OUT to the .rel(a).plt.unloaded
+ section. */
+
+bfd_boolean
+elf_vxworks_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info,
+ asection **srelplt2_out)
+{
+ struct elf_link_hash_table *htab;
+ const struct elf_backend_data *bed;
+ asection *s;
+
+ htab = elf_hash_table (info);
+ bed = get_elf_backend_data (dynobj);
+
+ if (!info->shared)
+ {
+ s = bfd_make_section_with_flags (dynobj,
+ bed->default_use_rela_p
+ ? ".rela.plt.unloaded"
+ : ".rel.plt.unloaded",
+ SEC_HAS_CONTENTS | SEC_IN_MEMORY
+ | SEC_READONLY | SEC_LINKER_CREATED);
+ if (s == NULL
+ || !bfd_set_section_alignment (dynobj, s, bed->s->log_file_align))
+ return FALSE;
+
+ *srelplt2_out = s;
+ }
+
+ /* Mark the GOT and PLT symbols as having relocations; they might
+ not, but we won't know for sure until we build the GOT in
+ finish_dynamic_symbol. Also make sure that the GOT symbol
+ is entered into the dynamic symbol table; the loader uses it
+ to initialize __GOTT_BASE__[__GOTT_INDEX__]. */
+ if (htab->hgot)
+ {
+ htab->hgot->indx = -2;
+ htab->hgot->other &= ~ELF_ST_VISIBILITY (-1);
+ htab->hgot->forced_local = 0;
+ if (!bfd_elf_link_record_dynamic_symbol (info, htab->hgot))
+ return FALSE;
+ }
+ if (htab->hplt)
+ {
+ htab->hplt->indx = -2;
+ htab->hplt->type = STT_FUNC;
+ }
+
+ return TRUE;
+}
/* Tweak magic VxWorks symbols as they are written to the output file. */
bfd_boolean
diff --git a/bfd/elf-vxworks.h b/bfd/elf-vxworks.h
index 76db15e..c8ea009 100644
--- a/bfd/elf-vxworks.h
+++ b/bfd/elf-vxworks.h
@@ -31,3 +31,5 @@ bfd_boolean elf_vxworks_emit_relocs
(bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *,
struct elf_link_hash_entry **);
void elf_vxworks_final_write_processing (bfd *, bfd_boolean);
+bfd_boolean elf_vxworks_create_dynamic_sections
+ (bfd *, struct bfd_link_info *, asection **);
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
index 6b51f38..c14fc3b 100644
--- a/bfd/elf32-i386.c
+++ b/bfd/elf32-i386.c
@@ -782,9 +782,6 @@ static bfd_boolean
elf_i386_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
{
struct elf_i386_link_hash_table *htab;
- asection * s;
- int flags;
- const struct elf_backend_data *bed = get_elf_backend_data (dynobj);
htab = elf_i386_hash_table (info);
if (!htab->sgot && !create_got_section (dynobj, info))
@@ -803,17 +800,9 @@ elf_i386_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
|| (!info->shared && !htab->srelbss))
abort ();
- if (htab->is_vxworks && !info->shared)
- {
- s = bfd_make_section (dynobj, ".rel.plt.unloaded");
- flags = (SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_READONLY
- | SEC_LINKER_CREATED);
- if (s == NULL
- || ! bfd_set_section_flags (dynobj, s, flags)
- || ! bfd_set_section_alignment (dynobj, s, bed->s->log_file_align))
- return FALSE;
- htab->srelplt2 = s;
- }
+ if (htab->is_vxworks
+ && !elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
+ return FALSE;
return TRUE;
}
@@ -2000,21 +1989,6 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
else
htab->tls_ldm_got.offset = -1;
- if (htab->is_vxworks)
- {
- /* Mark the GOT and PLT symbols as having relocations; they might
- not, but we won't know for sure until we build the GOT in
- finish_dynamic_symbol. */
- if (htab->elf.hgot)
- htab->elf.hgot->indx = -2;
- if (htab->elf.hplt)
- {
- htab->elf.hplt->indx = -2;
- if (htab->splt->flags & SEC_CODE)
- htab->elf.hplt->type = STT_FUNC;
- }
- }
-
/* Allocate global sym .plt and .got entries, and space for global
sym dynamic relocs. */
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index 353f288..68cead2 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -2548,19 +2548,9 @@ ppc_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
return FALSE;
}
- /* Create the section for VxWorks static plt relocations. */
- if (htab->is_vxworks && !info->shared)
- {
- s = bfd_make_section (abfd, ".rela.plt.unloaded");
- flags = (SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_READONLY
- | SEC_LINKER_CREATED);
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags)
- || ! bfd_set_section_alignment (abfd, s,
- get_elf_backend_data (abfd)->s->log_file_align))
- return FALSE;
- htab->srelplt2 = s;
- }
+ if (htab->is_vxworks
+ && !elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
+ return FALSE;
htab->relplt = bfd_get_section_by_name (abfd, ".rela.plt");
htab->plt = s = bfd_get_section_by_name (abfd, ".plt");
@@ -4764,21 +4754,6 @@ ppc_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
else
htab->tlsld_got.offset = (bfd_vma) -1;
- if (htab->is_vxworks)
- {
- /* Mark the GOT and PLT symbols as having relocations; they might
- not, but we won't know for sure until we build the GOT in
- finish_dynamic_symbol. */
- if (htab->elf.hgot)
- htab->elf.hgot->indx = -2;
- if (htab->elf.hplt)
- {
- htab->elf.hplt->indx = -2;
- if (htab->plt->flags & SEC_CODE)
- htab->elf.hplt->type = STT_FUNC;
- }
- }
-
/* Allocate space for global sym dynamic relocs. */
elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info);
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 8bc2c25..b3a93ad 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,5 +1,12 @@
2006-03-02 Richard Sandiford <richard@codesourcery.com>
+ * ld-i386/ld-i386/vxworks1-lib.nd: New test.
+ * ld-i386/i386.exp: Run it.
+ * ld-powerpc/ld-powerpc/vxworks1-lib.nd: New test.
+ * ld-powerpc/powerc.exp: Run it.
+
+2006-03-02 Richard Sandiford <richard@codesourcery.com>
+
* ld-i386/vxworks1.ld: Use bigger alignments. Make sure .bss isn't
placed as an orphan.
* ld-i386/vxworks1-lib.dd, ld-i386/vxworks1.dd,
diff --git a/ld/testsuite/ld-i386/i386.exp b/ld/testsuite/ld-i386/i386.exp
index d5087d5..b0195ca 100644
--- a/ld/testsuite/ld-i386/i386.exp
+++ b/ld/testsuite/ld-i386/i386.exp
@@ -23,7 +23,8 @@ if {[istarget "i?86-*-vxworks"]} {
set i386tests {
{"VxWorks shared library test 1" "-shared -Tvxworks1.ld"
"" {vxworks1-lib.s}
- {{readelf --relocs vxworks1-lib.rd} {objdump -dr vxworks1-lib.dd}}
+ {{readelf --relocs vxworks1-lib.rd} {objdump -dr vxworks1-lib.dd}
+ {readelf --symbols vxworks1-lib.nd}}
"libvxworks1.so"}
{"VxWorks dynamic executable test 1" \
"tmpdir/libvxworks1.so -Tvxworks1.ld -q" "" {vxworks1.s}
diff --git a/ld/testsuite/ld-i386/vxworks1-lib.nd b/ld/testsuite/ld-i386/vxworks1-lib.nd
new file mode 100644
index 0000000..edf3db3
--- /dev/null
+++ b/ld/testsuite/ld-i386/vxworks1-lib.nd
@@ -0,0 +1,9 @@
+#...
+Symbol table '\.dynsym' .*:
+#...
+.*: 00081400 * 0 * OBJECT * GLOBAL * DEFAULT * [0-9]+ _GLOBAL_OFFSET_TABLE_
+#...
+Symbol table '\.symtab' .*:
+#...
+.*: 00081400 * 0 * OBJECT * GLOBAL * DEFAULT * [0-9]+ _GLOBAL_OFFSET_TABLE_
+#pass
diff --git a/ld/testsuite/ld-powerpc/powerpc.exp b/ld/testsuite/ld-powerpc/powerpc.exp
index 5cfb313..db7fe59 100644
--- a/ld/testsuite/ld-powerpc/powerpc.exp
+++ b/ld/testsuite/ld-powerpc/powerpc.exp
@@ -28,7 +28,8 @@ if {[istarget "*-*-vxworks"]} {
"libvxworks1.so"}
{"VxWorks shared library test 1" "-shared -Tvxworks1.ld"
"-mregnames" {vxworks1-lib.s}
- {{readelf --relocs vxworks1-lib.rd} {objdump -dr vxworks1-lib.dd}}
+ {{readelf --relocs vxworks1-lib.rd} {objdump -dr vxworks1-lib.dd}
+ {readelf --symbols vxworks1-lib.nd}}
"libvxworks1.so"}
{"VxWorks dynamic executable test 1" \
"tmpdir/libvxworks1.so -Tvxworks1.ld -q" "-mregnames" {vxworks1.s}
diff --git a/ld/testsuite/ld-powerpc/vxworks1-lib.nd b/ld/testsuite/ld-powerpc/vxworks1-lib.nd
new file mode 100644
index 0000000..edf3db3
--- /dev/null
+++ b/ld/testsuite/ld-powerpc/vxworks1-lib.nd
@@ -0,0 +1,9 @@
+#...
+Symbol table '\.dynsym' .*:
+#...
+.*: 00081400 * 0 * OBJECT * GLOBAL * DEFAULT * [0-9]+ _GLOBAL_OFFSET_TABLE_
+#...
+Symbol table '\.symtab' .*:
+#...
+.*: 00081400 * 0 * OBJECT * GLOBAL * DEFAULT * [0-9]+ _GLOBAL_OFFSET_TABLE_
+#pass