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authoryufeng <yufeng>2012-11-16 18:32:59 +0000
committeryufeng <yufeng>2012-11-16 18:32:59 +0000
commit39f7730680517e79ff01fa0aad6fb3d008018c1c (patch)
treed48b98c9575df5cf0693e09b94894f6d362123ca /bfd
parent8c836199b3c1fdd35ec720a94e75311883b113cf (diff)
downloadgdb-39f7730680517e79ff01fa0aad6fb3d008018c1c.tar.gz
bfd/ChangeLog
2012-11-16 Joey Ye <joey.ye@arm.com> * elf32-arm.c (elf32_arm_final_link_relocate, case R_ARM_THM_ALU_PREL_11_0, case R_ARM_THM_PC12): Align address of the place being relocated. (elf32_arm_final_link_relocate, case R_ARM_THM_PC8): Align address of the place being relocated and truncate addend. (Pa): New macro.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog9
-rw-r--r--bfd/elf32-arm.c23
2 files changed, 22 insertions, 10 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index c1d01b70259..c25ceb96219 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,12 @@
+2012-11-16 Joey Ye <joey.ye@arm.com>
+
+ * elf32-arm.c (elf32_arm_final_link_relocate,
+ case R_ARM_THM_ALU_PREL_11_0, case R_ARM_THM_PC12): Align address of
+ the place being relocated.
+ (elf32_arm_final_link_relocate, case R_ARM_THM_PC8): Align address
+ of the place being relocated and truncate addend.
+ (Pa): New macro.
+
2012-11-14 Roland McGrath <mcgrathr@google.com>
* elf32-arm.c (elf32_arm_nacl_plt0_entry): Use bic rather than bfc
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 081265c5298..fd7d26a71ba 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -63,6 +63,9 @@
#define ARM_ELF_ABI_VERSION 0
#define ARM_ELF_OS_ABI_VERSION ELFOSABI_ARM
+/* The Adjusted Place, as defined by AAELF. */
+#define Pa(X) ((X) & 0xfffffffc)
+
static bfd_boolean elf32_arm_write_section (bfd *output_bfd,
struct bfd_link_info *link_info,
asection *sec,
@@ -8619,9 +8622,9 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
}
relocation = value + signed_addend;
- relocation -= (input_section->output_section->vma
- + input_section->output_offset
- + rel->r_offset);
+ relocation -= Pa (input_section->output_section->vma
+ + input_section->output_offset
+ + rel->r_offset);
value = abs (relocation);
@@ -8651,12 +8654,12 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
insn = bfd_get_16 (input_bfd, hit_data);
if (globals->use_rel)
- addend = (insn & 0x00ff) << 2;
+ addend = ((((insn & 0x00ff) << 2) + 4) & 0x3ff) -4;
relocation = value + addend;
- relocation -= (input_section->output_section->vma
- + input_section->output_offset
- + rel->r_offset);
+ relocation -= Pa (input_section->output_section->vma
+ + input_section->output_offset
+ + rel->r_offset);
value = abs (relocation);
@@ -8691,9 +8694,9 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
}
relocation = value + signed_addend;
- relocation -= (input_section->output_section->vma
- + input_section->output_offset
- + rel->r_offset);
+ relocation -= Pa (input_section->output_section->vma
+ + input_section->output_offset
+ + rel->r_offset);
value = abs (relocation);