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authorNick Clifton <nickc@redhat.com>2013-07-18 12:00:26 +0000
committerNick Clifton <nickc@redhat.com>2013-07-18 12:00:26 +0000
commit39f21624991525f1f937a796cf008654a8596240 (patch)
tree9409748b4d54e12a37de07ad1a855b0a0bbaf8b5
parent8c997c2767dbcb0522cc4f586a4f172cf7f08fcf (diff)
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* elf32-arm.c (arm_type_of_stub): Don't use ST_BRANCH_TO_ARM for
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.
-rw-r--r--bfd/ChangeLog6
-rw-r--r--bfd/elf32-arm.c14
-rw-r--r--ld/testsuite/ChangeLog5
-rw-r--r--ld/testsuite/ld-arm/thumb-b-lks-sym.d2
-rw-r--r--ld/testsuite/ld-arm/thumb-bl-lks-sym.d2
5 files changed, 27 insertions, 2 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index df25bd4..ecd2842 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -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>
* mach-o.c (mach_o_section_name_xlat dw): Add entry for
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 427ac6d..8f88839 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -3609,6 +3609,12 @@ arm_type_of_stub (struct bfd_link_info *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
the address of the appropriate trampoline. */
if (r_type != R_ARM_TLS_CALL
@@ -8123,6 +8129,14 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
else
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
relocations. */
dynreloc_st_type = st_type;
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 652474d..9eeb006 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -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>
* ld-arm/farcall-arm-nacl.d: New file.
diff --git a/ld/testsuite/ld-arm/thumb-b-lks-sym.d b/ld/testsuite/ld-arm/thumb-b-lks-sym.d
index eadd9a4..cc23bc3 100644
--- a/ld/testsuite/ld-arm/thumb-b-lks-sym.d
+++ b/ld/testsuite/ld-arm/thumb-b-lks-sym.d
@@ -4,4 +4,4 @@
Disassembly of section .text:
00000000 <main>:
- 0: f000 bffe b.w 1000 <extFunc>
+ 0: f000 bffe b.w 1000 <.*>
diff --git a/ld/testsuite/ld-arm/thumb-bl-lks-sym.d b/ld/testsuite/ld-arm/thumb-bl-lks-sym.d
index b553b51..1da6928 100644
--- a/ld/testsuite/ld-arm/thumb-bl-lks-sym.d
+++ b/ld/testsuite/ld-arm/thumb-bl-lks-sym.d
@@ -6,7 +6,7 @@ Disassembly of section .text:
00000000 <main>:
0: b580 push {r7, lr}
2: af00 add r7, sp, #0
- 4: f000 fffc bl 1000 <extFunc>
+ 4: f000 fffc bl 1000 <.*>
8: bd80 pop {r7, pc}
a: bf00 nop