aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMatt Thomas <matt@3am-software.com>2009-04-02 00:20:42 +0000
committerMatt Thomas <matt@3am-software.com>2009-04-02 00:20:42 +0000
commitfe723c8722e3b99a1d85807c4a53241fafa310bc (patch)
tree1ee28f8fabe476acf70d872d9145649d9f15a505
parent745435b680590fff37a8312cdfddd3d6b802610e (diff)
downloadgdb-fe723c8722e3b99a1d85807c4a53241fafa310bc.zip
gdb-fe723c8722e3b99a1d85807c4a53241fafa310bc.tar.gz
gdb-fe723c8722e3b99a1d85807c4a53241fafa310bc.tar.bz2
2009-04-01 Matt Thomas <matt@netbsd.org>
* elf32-vax.c (elf_vax_check_relocs): Do not put relocations against hidden symbols into the GOT or PLT.GOT. (elf_vax_relocate_section): Do not emit a PCREL reloc into a shared object if it is against a hidden symbol.
-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/elf32-vax.c44
2 files changed, 32 insertions, 19 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index d4b319d..89fab56 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2009-04-01 Matt Thomas <matt@netbsd.org>
+
+ * elf32-vax.c (elf_vax_check_relocs): Do not put relocations against
+ hidden symbols into the GOT or PLT.GOT.
+ (elf_vax_relocate_section): Do not emit a PCREL reloc
+ into a shared object if it is against a hidden symbol.
+
2009-04-01 Richard Sandiford <r.sandiford@uk.ibm.com>
* xcofflink.c (xcoff_archive_info): Add contains_shared_object_p
diff --git a/bfd/elf32-vax.c b/bfd/elf32-vax.c
index 7f47819..9caa47d 100644
--- a/bfd/elf32-vax.c
+++ b/bfd/elf32-vax.c
@@ -599,8 +599,10 @@ elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
switch (ELF32_R_TYPE (rel->r_info))
{
case R_VAX_GOT32:
- if (h != NULL
- && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ BFD_ASSERT (h != NULL);
+ if (h->forced_local
+ || h == elf_hash_table (info)->hgot
+ || h == elf_hash_table (info)->hplt)
break;
/* This symbol requires a global offset table entry. */
@@ -654,10 +656,11 @@ elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
h->got.refcount++;
if (eh->got_addend != (bfd_vma) rel->r_addend)
(*_bfd_error_handler)
- (_("%s: warning: GOT addend of %ld to `%s' does not match previous GOT addend of %ld"),
- bfd_get_filename (abfd), rel->r_addend,
- h->root.root.string,
- eh->got_addend);
+ (_("%s: warning: GOT addend of %ld to `%s' does"
+ " not match previous GOT addend of %ld"),
+ bfd_get_filename (abfd), rel->r_addend,
+ h->root.root.string,
+ eh->got_addend);
}
}
@@ -673,8 +676,9 @@ elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
/* If this is a local symbol, we resolve it directly without
creating a procedure linkage table entry. */
- if (h == NULL)
- continue;
+ BFD_ASSERT (h != NULL);
+ if (h->forced_local)
+ break;
h->needs_plt = 1;
if (h->plt.refcount == -1)
@@ -702,7 +706,7 @@ elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
&& (!info->symbolic
|| !h->def_regular)))
{
- if (h != NULL)
+ if (h != NULL && !h->forced_local)
{
/* Make sure a plt entry is created for this symbol if
it turns out to be a function defined by a dynamic
@@ -714,6 +718,9 @@ elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
}
break;
}
+ if (h != NULL && h->forced_local)
+ break;
+
/* Fall through. */
case R_VAX_8:
case R_VAX_16:
@@ -1305,7 +1312,8 @@ elf_vax_instantiate_got_entries (struct elf_link_hash_entry *h, PTR infoptr)
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
if (!elf_hash_table (info)->dynamic_sections_created
- || (info->shared && info->symbolic))
+ || (info->shared && info->symbolic)
+ || h->forced_local)
{
h->got.refcount = 0;
h->got.offset = (bfd_vma) -1;
@@ -1409,10 +1417,11 @@ elf_vax_relocate_section (bfd *output_bfd,
|| h->root.type == bfd_link_hash_defweak)
&& ((r_type == R_VAX_PLT32
&& h->plt.offset != (bfd_vma) -1
+ && !h->forced_local
&& elf_hash_table (info)->dynamic_sections_created)
|| (r_type == R_VAX_GOT32
- && strcmp (h->root.root.string,
- "_GLOBAL_OFFSET_TABLE_") != 0
+ && h->got.offset != (bfd_vma) -1
+ && !h->forced_local
&& elf_hash_table (info)->dynamic_sections_created
&& (! info->shared
|| (! info->symbolic && h->dynindx != -1)
@@ -1430,10 +1439,7 @@ elf_vax_relocate_section (bfd *output_bfd,
&& h->def_dynamic))
&& (r_type == R_VAX_8
|| r_type == R_VAX_16
- || r_type == R_VAX_32
- || r_type == R_VAX_PC8
- || r_type == R_VAX_PC16
- || r_type == R_VAX_PC32))))
+ || r_type == R_VAX_32))))
/* In these cases, we don't need the relocation
value. We check specially because in some
obscure cases sec->output_section will be NULL. */
@@ -1459,7 +1465,7 @@ elf_vax_relocate_section (bfd *output_bfd,
case R_VAX_GOT32:
/* Relocation is to the address of the entry for this symbol
in the global offset table. */
- if (h == NULL || h->got.offset == (bfd_vma) -1)
+ if (h == NULL || h->got.offset == (bfd_vma) -1 || h->forced_local)
break;
/* Relocation is the offset of the entry for this symbol in
@@ -1521,7 +1527,7 @@ elf_vax_relocate_section (bfd *output_bfd,
/* Resolve a PLTxx reloc against a local symbol directly,
without using the procedure linkage table. */
- if (h == NULL)
+ if (h == NULL || h->forced_local)
break;
if (h->plt.offset == (bfd_vma) -1
@@ -1575,7 +1581,7 @@ elf_vax_relocate_section (bfd *output_bfd,
case R_VAX_PC8:
case R_VAX_PC16:
case R_VAX_PC32:
- if (h == NULL)
+ if (h == NULL || h->forced_local)
break;
/* Fall through. */
case R_VAX_8: