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* elf32-arm.c (arm_type_of_stub): Don't use ST_BRANCH_TO_ARM for

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thumb only targets.
        (elf32_arm_final_link_relocate): Likewise.

        * ld-arm/thumb-b-lks-sym.d: Updated to be more flexible.
        * ld-arm/thumb-bl-lks-sym.d: Likewise.
This commit is contained in:
Nick Clifton
2013-07-18 12:00:26 +00:00
parent 8c997c2767
commit 39f2162499
5 changed files with 27 additions and 2 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
2013-07-18 Terry Guo <terry.guo@arm.com>
* elf32-arm.c (arm_type_of_stub): Don't use ST_BRANCH_TO_ARM for
thumb only targets.
(elf32_arm_final_link_relocate): Likewise.
2013-07-18 Bill Neubauer <wcn@google.com> 2013-07-18 Bill Neubauer <wcn@google.com>
* mach-o.c (mach_o_section_name_xlat dw): Add entry for * mach-o.c (mach_o_section_name_xlat dw): Add entry for

14
bfd/elf32-arm.c
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@ -3609,6 +3609,12 @@ arm_type_of_stub (struct bfd_link_info *info,
r_type = ELF32_R_TYPE (rel->r_info); r_type = ELF32_R_TYPE (rel->r_info);
/* ST_BRANCH_TO_ARM is nonsense to thumb-only targets when we
are considering a function call relocation. */
if (thumb_only && (r_type == R_ARM_THM_CALL || r_type == R_ARM_THM_JUMP24)
&& branch_type == ST_BRANCH_TO_ARM)
branch_type = ST_BRANCH_TO_THUMB;
/* For TLS call relocs, it is the caller's responsibility to provide /* For TLS call relocs, it is the caller's responsibility to provide
the address of the appropriate trampoline. */ the address of the appropriate trampoline. */
if (r_type != R_ARM_TLS_CALL if (r_type != R_ARM_TLS_CALL
@ -8123,6 +8129,14 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
else else
addend = signed_addend = rel->r_addend; addend = signed_addend = rel->r_addend;
/* ST_BRANCH_TO_ARM is nonsense to thumb-only targets when we
are resolving a function call relocation. */
if (using_thumb_only (globals)
&& (r_type == R_ARM_THM_CALL
|| r_type == R_ARM_THM_JUMP24)
&& branch_type == ST_BRANCH_TO_ARM)
branch_type = ST_BRANCH_TO_THUMB;
/* Record the symbol information that should be used in dynamic /* Record the symbol information that should be used in dynamic
relocations. */ relocations. */
dynreloc_st_type = st_type; dynreloc_st_type = st_type;

5
ld/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2013-07-18 Terry Guo <terry.guo@arm.com>
* ld-arm/thumb-b-lks-sym.d: Updated to be more flexible.
* ld-arm/thumb-bl-lks-sym.d: Likewise.
2013-07-18 Roland McGrath <mcgrathr@google.com> 2013-07-18 Roland McGrath <mcgrathr@google.com>
* ld-arm/farcall-arm-nacl.d: New file. * ld-arm/farcall-arm-nacl.d: New file.

2
ld/testsuite/ld-arm/thumb-b-lks-sym.d
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@ -4,4 +4,4 @@
Disassembly of section .text: Disassembly of section .text:
00000000 <main>: 00000000 <main>:
0: f000 bffe b.w 1000 <extFunc> 0: f000 bffe b.w 1000 <.*>

2
ld/testsuite/ld-arm/thumb-bl-lks-sym.d
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@ -6,7 +6,7 @@ Disassembly of section .text:
00000000 <main>: 00000000 <main>:
0: b580 push {r7, lr} 0: b580 push {r7, lr}
2: af00 add r7, sp, #0 2: af00 add r7, sp, #0
4: f000 fffc bl 1000 <extFunc> 4: f000 fffc bl 1000 <.*>
8: bd80 pop {r7, pc} 8: bd80 pop {r7, pc}
a: bf00 nop a: bf00 nop