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authorH.J. Lu <hjl.tools@gmail.com>2012-12-16 20:31:08 +0000
committerH.J. Lu <hjl.tools@gmail.com>2012-12-16 20:31:08 +0000
commit73bcf2338555a1d0b2e5e1eaaecd263498d19967 (patch)
tree1ef649908975759d6c34317a2708fb00b9801f90 /bfd
parent3d745be3fca9cfd3cbfb09c224a6c7312bec4de3 (diff)
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Also check local IFUNC references
bfd/ PR ld/14968 * elf32-i386.c (elf_i386_adjust_dynamic_symbol): Also check local IFUNC references. * elf64-x86-64.c (elf_x86_64_adjust_dynamic_symbol): Likewise. ld/testsuite/ PR ld/14968 * ld-ifunc/ifunc-18a-i386.d: New file. * ld-ifunc/ifunc-18a-x86-64.d: Likewise. * ld-ifunc/ifunc-18a.s: Likewise. * ld-ifunc/ifunc-18b-i386.d: Likewise. * ld-ifunc/ifunc-18b-x86-64.d: Likewise. * ld-ifunc/ifunc-18b.s: Likewise. * ld-ifunc/ifunc-19a-i386.d: Likewise. * ld-ifunc/ifunc-19a-x86-64.d: Likewise. * ld-ifunc/ifunc-19a.s: Likewise. * ld-ifunc/ifunc-19b-i386.d: Likewise. * ld-ifunc/ifunc-19b-x86-64.d: Likewise. * ld-ifunc/ifunc-19b.s: Likewise.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog9
-rw-r--r--bfd/elf32-i386.c8
-rw-r--r--bfd/elf64-x86-64.c8
3 files changed, 18 insertions, 7 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 87cc9d7..070acb4 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,6 +1,13 @@
+2012-12-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/14968
+ * elf32-i386.c (elf_i386_adjust_dynamic_symbol): Also check
+ local IFUNC references.
+ * elf64-x86-64.c (elf_x86_64_adjust_dynamic_symbol): Likewise.
+
2012-12-14 Tom Tromey <tromey@redhat.com>
- * elf.c (elfcore_grok_note) <NT_FILE>: New case.
+ * elf.c (elfcore_grok_note) <NT_FILE>: New case.
2012-12-13 H.J. Lu <hongjiu.lu@intel.com>
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
index bb41302..a188cec 100644
--- a/bfd/elf32-i386.c
+++ b/bfd/elf32-i386.c
@@ -2072,11 +2072,12 @@ elf_i386_adjust_dynamic_symbol (struct bfd_link_info *info,
/* STT_GNU_IFUNC symbol must go through PLT. */
if (h->type == STT_GNU_IFUNC)
{
- /* Check local STT_GNU_IFUNC calls. */
+ /* All local STT_GNU_IFUNC references must be treate as local
+ calls via local PLT. */
if (h->ref_regular
&& SYMBOL_CALLS_LOCAL (info, h))
{
- bfd_size_type pc_count = 0;
+ bfd_size_type pc_count = 0, count = 0;
struct elf_dyn_relocs **pp;
eh = (struct elf_i386_link_hash_entry *) h;
@@ -2085,13 +2086,14 @@ elf_i386_adjust_dynamic_symbol (struct bfd_link_info *info,
pc_count += p->pc_count;
p->count -= p->pc_count;
p->pc_count = 0;
+ count += p->count;
if (p->count == 0)
*pp = p->next;
else
pp = &p->next;
}
- if (pc_count)
+ if (pc_count || count)
{
h->needs_plt = 1;
h->plt.refcount += 1;
diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index ec38ddc..283681c 100644
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -2140,11 +2140,12 @@ elf_x86_64_adjust_dynamic_symbol (struct bfd_link_info *info,
/* STT_GNU_IFUNC symbol must go through PLT. */
if (h->type == STT_GNU_IFUNC)
{
- /* Check local STT_GNU_IFUNC calls. */
+ /* All local STT_GNU_IFUNC references must be treate as local
+ calls via local PLT. */
if (h->ref_regular
&& SYMBOL_CALLS_LOCAL (info, h))
{
- bfd_size_type pc_count = 0;
+ bfd_size_type pc_count = 0, count = 0;
struct elf_dyn_relocs **pp;
eh = (struct elf_x86_64_link_hash_entry *) h;
@@ -2153,13 +2154,14 @@ elf_x86_64_adjust_dynamic_symbol (struct bfd_link_info *info,
pc_count += p->pc_count;
p->count -= p->pc_count;
p->pc_count = 0;
+ count += p->count;
if (p->count == 0)
*pp = p->next;
else
pp = &p->next;
}
- if (pc_count)
+ if (pc_count || count)
{
h->needs_plt = 1;
h->plt.refcount += 1;