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authorRichard Sandiford <rsandifo@nildram.co.uk>2006-03-02 08:56:59 +0000
committerRichard Sandiford <rsandifo@nildram.co.uk>2006-03-02 08:56:59 +0000
commit2f9a34b57d3323b04ee6b894e2fb69645ea34083 (patch)
tree0e4f97f9268758ead142f1de1db5f6b931b1b407
parent446fb97b791fe6f3ca0a9d5ab8e7ad70adcdc877 (diff)
downloadgdb-2f9a34b57d3323b04ee6b894e2fb69645ea34083.tar.gz
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
5 files changed, 72 insertions, 57 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 53c3ed3c5e6..0136341b57f 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 0dca07c5833..90e620a9055 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 76db15e64db..c8ea0094eea 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 6b51f38b4c4..c14fc3ba312 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 353f288b18a..68cead29e05 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);