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authorPaul Brook <paul@codesourcery.com>2011-05-31 14:07:56 +0000
committerPaul Brook <paul@codesourcery.com>2011-05-31 14:07:56 +0000
commit8dbc67a4ba883a79e955459e24a665b9f916abc1 (patch)
tree0639986f75f9d22f1317cbe77430f33b9a6423a8 /bfd/elf32-arm.c
parent0280b9139093f51dba98e1cb1aee79149ef0ef34 (diff)
downloadgdb-8dbc67a4ba883a79e955459e24a665b9f916abc1.tar.gz
2011-05-31 Paul Brook <paul@codesourcery.com>
bfd/ * elf32-arm.c (elf32_arm_final_link_relocate): Only do bl conversion for known functions. (elf32_arm_swap_symbol_in): Only set ST_BRANCH_TO_ARM for function symbols. include/elf/ * arm.h (arm_st_branch_type): Add ST_BRANCH_UNKNOWN. ld/testsuite/ * ld-arm/cortex-a8-far.d: Adjust expected output. * ld-arm/arm-call1.s: Give function symbol correct type. * ld-arm/arm-call2.s: Ditto. * ld-arm/farcall-group4.s: Ditto. * ld-arm/arm-elf.exp (cortex-a8-far): Define far symbols with correct type via assembly file. * ld-arm/cortex-a8-far-3.s: New file. * ld-arm/abs-call-1.s: Add Thumb tests
Diffstat (limited to 'bfd/elf32-arm.c')
-rw-r--r--bfd/elf32-arm.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 611e08ed142..58bb367780b 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -8304,7 +8304,7 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
case, mode switching is performed by the stub. */
if (branch_type == ST_BRANCH_TO_THUMB && !stub_entry)
value |= (1 << 28);
- else
+ else if (stub_entry || branch_type != ST_BRANCH_UNKNOWN)
{
value &= ~(bfd_vma)(1 << 28);
value |= (1 << 24);
@@ -15131,12 +15131,16 @@ elf32_arm_swap_symbol_in (bfd * abfd,
/* New EABI objects mark thumb function symbols by setting the low bit of
the address. */
- if ((ELF_ST_TYPE (dst->st_info) == STT_FUNC
- || ELF_ST_TYPE (dst->st_info) == STT_GNU_IFUNC)
- && (dst->st_value & 1))
+ if (ELF_ST_TYPE (dst->st_info) == STT_FUNC
+ || ELF_ST_TYPE (dst->st_info) == STT_GNU_IFUNC)
{
- dst->st_value &= ~(bfd_vma) 1;
- dst->st_target_internal = ST_BRANCH_TO_THUMB;
+ if (dst->st_value & 1)
+ {
+ dst->st_value &= ~(bfd_vma) 1;
+ dst->st_target_internal = ST_BRANCH_TO_THUMB;
+ }
+ else
+ dst->st_target_internal = ST_BRANCH_TO_ARM;
}
else if (ELF_ST_TYPE (dst->st_info) == STT_ARM_TFUNC)
{
@@ -15146,7 +15150,7 @@ elf32_arm_swap_symbol_in (bfd * abfd,
else if (ELF_ST_TYPE (dst->st_info) == STT_SECTION)
dst->st_target_internal = ST_BRANCH_LONG;
else
- dst->st_target_internal = ST_BRANCH_TO_ARM;
+ dst->st_target_internal = ST_BRANCH_UNKNOWN;
return TRUE;
}