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authorAlan Modra <amodra@gmail.com>2008-09-15 23:41:55 +0000
committerAlan Modra <amodra@gmail.com>2008-09-15 23:41:55 +0000
commit3b4f3a113f4afdbb30cbb783b11b3e8e0210ebb8 (patch)
tree8f1c724e07d8e074580e88d18ebc74520b095b80 /bfd
parent50a834af8a15b94a1394520b9122757990b5f823 (diff)
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PR 6888
* elf32-ppc.c (ppc_elf_relocate_section): Handle NULL symbol section on R_PPC_TOC16, R_PPC_SDAREL16, R_PPC_EMB_SDA2REL, R_PPC_EMB_SDA21, R_PPC_EMB_RELSDA, R_PPC_SECTOFF* relocs.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/elf32-ppc.c41
2 files changed, 37 insertions, 11 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 461385b..c9cbe0c 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2008-09-16 Alan Modra <amodra@bigpond.net.au>
+
+ PR 6888
+ * elf32-ppc.c (ppc_elf_relocate_section): Handle NULL symbol section
+ on R_PPC_TOC16, R_PPC_SDAREL16, R_PPC_EMB_SDA2REL, R_PPC_EMB_SDA21,
+ R_PPC_EMB_RELSDA, R_PPC_SECTOFF* relocs.
+
2008-09-11 Jan Kratochvil <jan.kratochvil@redhat.com>
Fix loading large elf64 binaries on 32bit hosts.
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index 84e72b8..8720b0b 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -6971,12 +6971,15 @@ ppc_elf_relocate_section (bfd *output_bfd,
an embedded ELF object, for which the .got section acts like the
AIX .toc section. */
case R_PPC_TOC16: /* phony GOT16 relocations */
- BFD_ASSERT (sec != NULL);
- BFD_ASSERT (bfd_is_und_section (sec)
- || strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
+ if (sec == NULL || sec->output_section == NULL)
+ {
+ unresolved_reloc = TRUE;
+ break;
+ }
+ BFD_ASSERT (strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
|| strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0);
- addend -= sec->output_section->vma + sec->output_offset + 0x8000;
+ addend -= sec->output_section->vma + sec->output_offset + 0x8000;
break;
case R_PPC_PLTREL24:
@@ -7013,7 +7016,12 @@ ppc_elf_relocate_section (bfd *output_bfd,
const char *name;
struct elf_link_hash_entry *sh;
- BFD_ASSERT (sec != NULL);
+ if (sec == NULL || sec->output_section == NULL)
+ {
+ unresolved_reloc = TRUE;
+ break;
+ }
+
name = bfd_get_section_name (abfd, sec->output_section);
if (! ((CONST_STRNEQ (name, ".sdata")
&& (name[6] == 0 || name[6] == '.'))
@@ -7041,7 +7049,12 @@ ppc_elf_relocate_section (bfd *output_bfd,
const char *name;
struct elf_link_hash_entry *sh;
- BFD_ASSERT (sec != NULL);
+ if (sec == NULL || sec->output_section == NULL)
+ {
+ unresolved_reloc = TRUE;
+ break;
+ }
+
name = bfd_get_section_name (abfd, sec->output_section);
if (! (CONST_STRNEQ (name, ".sdata2")
|| CONST_STRNEQ (name, ".sbss2")))
@@ -7073,7 +7086,12 @@ ppc_elf_relocate_section (bfd *output_bfd,
int reg;
struct elf_link_hash_entry *sh;
- BFD_ASSERT (sec != NULL);
+ if (sec == NULL || sec->output_section == NULL)
+ {
+ unresolved_reloc = TRUE;
+ break;
+ }
+
name = bfd_get_section_name (abfd, sec->output_section);
if (((CONST_STRNEQ (name, ".sdata")
&& (name[6] == 0 || name[6] == '.'))
@@ -7086,7 +7104,6 @@ ppc_elf_relocate_section (bfd *output_bfd,
+ sh->root.u.def.section->output_offset
+ sh->root.u.def.section->output_section->vma);
}
-
else if (CONST_STRNEQ (name, ".sdata2")
|| CONST_STRNEQ (name, ".sbss2"))
{
@@ -7096,13 +7113,11 @@ ppc_elf_relocate_section (bfd *output_bfd,
+ sh->root.u.def.section->output_offset
+ sh->root.u.def.section->output_section->vma);
}
-
else if (strcmp (name, ".PPC.EMB.sdata0") == 0
|| strcmp (name, ".PPC.EMB.sbss0") == 0)
{
reg = 0;
}
-
else
{
(*_bfd_error_handler)
@@ -7132,7 +7147,11 @@ ppc_elf_relocate_section (bfd *output_bfd,
case R_PPC_SECTOFF_LO:
case R_PPC_SECTOFF_HI:
case R_PPC_SECTOFF_HA:
- BFD_ASSERT (sec != NULL);
+ if (sec == NULL || sec->output_section == NULL)
+ {
+ unresolved_reloc = TRUE;
+ break;
+ }
addend -= sec->output_section->vma;
break;