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2011-05-31 Paul Brook <paul@codesourcery.com>

Browse Source 
bfd/
	* elf32-arm.c (arm_stub_is_thumb): Add
	arm_stub_long_branch_v4t_thumb_tls_pic.
	(elf32_arm_final_link_relocate): TLS stubs are always ARM.
	Handle Thumb stubs.

	ld/testsuite/
	* ld-arm/tls-longplt.d: Update expected output.
	* ld-arm/tls-thumb1.d: Ditto.
This commit is contained in:
Paul Brook 2011-05-31 13:37:27 +00:00
parent 1ab52cbe05
commit 12352d3f85
5 changed files with 33 additions and 8 deletions
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7
bfd/ChangeLog
View File

@ -1,3 +1,10 @@
2011-05-31 Paul Brook <paul@codesourcery.com>
* elf32-arm.c (arm_stub_is_thumb): Add
arm_stub_long_branch_v4t_thumb_tls_pic.
(elf32_arm_final_link_relocate): TLS stubs are always ARM.
Handle Thumb stubs.
2011-05-27 Nick Clifton <nickc@redhat.com>
PR binutils/12710

23
bfd/elf32-arm.c
View File

@ -3427,6 +3427,7 @@ arm_stub_is_thumb (enum elf32_arm_stub_type stub_type)
case arm_stub_long_branch_v4t_thumb_arm:
case arm_stub_short_branch_v4t_thumb_arm:
case arm_stub_long_branch_v4t_thumb_arm_pic:
case arm_stub_long_branch_v4t_thumb_tls_pic:
case arm_stub_long_branch_thumb_only_pic:
return TRUE;
case arm_stub_none:
@ -9304,6 +9305,9 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
|| ELF32_R_TYPE(rel->r_info) == R_ARM_THM_TLS_CALL)
{
bfd_signed_vma offset;
/* TLS stubs are arm mode. The original symbol is a
data object, so branch_type is bogus. */
branch_type = ST_BRANCH_TO_ARM;
enum elf32_arm_stub_type stub_type
= arm_type_of_stub (info, input_section, rel,
st_type, &branch_type,
@ -9348,16 +9352,25 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
input_section->output_offset
+ rel->r_offset + 4);
/* Round up the offset to a word boundary */
offset = (offset + 2) & ~2;
if (stub_type != arm_stub_none
&& arm_stub_is_thumb (stub_type))
{
lower_insn = 0xd000;
}
else
{
lower_insn = 0xc000;
/* Round up the offset to a word boundary */
offset = (offset + 2) & ~2;
}
neg = offset < 0;
upper_insn = (0xf000
| ((offset >> 12) & 0x3ff)
| (neg << 10));
lower_insn = (0xc000
| (((!((offset >> 23) & 1)) ^ neg) << 13)
lower_insn |= (((!((offset >> 23) & 1)) ^ neg) << 13)
| (((!((offset >> 22) & 1)) ^ neg) << 11)
| ((offset >> 1) & 0x7ff));
| ((offset >> 1) & 0x7ff);
bfd_put_16 (input_bfd, upper_insn, hit_data);
bfd_put_16 (input_bfd, lower_insn, hit_data + 2);
return bfd_reloc_ok;

5
ld/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2011-05-31 Paul Brook <paul@codesourcery.com>
* ld-arm/tls-longplt.d: Update expected output.
* ld-arm/tls-thumb1.d: Ditto.
2011-05-26 H.J. Lu <hongjiu.lu@intel.com>
PR ld/12809

2
ld/testsuite/ld-arm/tls-longplt.d
View File

@ -47,7 +47,7 @@ Disassembly of section .foo:
4001018: e1a00000 nop ; .*
400101c: fc00f2a0 .word 0xfc00f2a0
4001020: 4801 ldr r0, \[pc, #4\] ; .*
4001022: f000 e80a blx 4001038 .*
4001022: f000 f809 bl 4001038 .*
4001026: 46c0 nop ; .*
4001028: fc00f291 .word 0xfc00f291
400102c: 00000000 .word 0x00000000

4
ld/testsuite/ld-arm/tls-thumb1.d
View File

@ -31,7 +31,7 @@ Disassembly of section .text:
81b0: e1a00000 nop ; .*
81b4: 000080c0 .word 0x000080c0
81b8: 4801 ldr r0, \[pc, #4\] ; .*
81ba: f000 e806 blx 81c8 .*
81ba: f000 f805 bl 81c8 .*
81be: 46c0 nop ; .*
81c0: 000080b1 .word 0x000080b1
81c4: 00000000 .word 0x00000000
@ -55,7 +55,7 @@ Disassembly of section .foo:
4001018: e1a00000 nop ; .*
400101c: fc00f260 .word 0xfc00f260
4001020: 4801 ldr r0, \[pc, #4\] ; .*
4001022: f000 e80c blx 400103c .*
4001022: f000 f80b bl 400103c .*
4001026: 46c0 nop ; .*
4001028: fc00f249 .word 0xfc00f249
400102c: 00000000 .word 0x00000000