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authorPaul Brook <paul@codesourcery.com>2007-05-18 00:25:04 +0000
committerPaul Brook <paul@codesourcery.com>2007-05-18 00:25:04 +0000
commit26079076f561da43bcdddf0eaec32211fec765a7 (patch)
tree02ad615047df9fbbb91a71f0633463d0fc945729
parent1e3a97b2f2cc10c41f908befc36ad89edbb6c573 (diff)
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2007-05-18 Paul Brook <paul@codesourcery.com>
bfd/ * elf32-arm.c (ARM2THUMB_V5_STATIC_GLUE_SIZE): Define. (a2t1v5_ldr_insn, a2t1v5_ldr_insn): New. (record_arm_to_thumb_glue): Add v5t non-pic glue. (elf32_arm_create_thumb_stub): Ditto. ld/testsuite/ * ld-arm/arm-call.d: Update expected output.
-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/elf32-arm.c22
-rw-r--r--ld/testsuite/ChangeLog4
-rw-r--r--ld/testsuite/ld-arm/arm-call.d18
4 files changed, 41 insertions, 10 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index ab4a46f..6d8c673 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2007-05-18 Paul Brook <paul@codesourcery.com>
+
+ * elf32-arm.c (ARM2THUMB_V5_STATIC_GLUE_SIZE): Define.
+ (a2t1v5_ldr_insn, a2t1v5_ldr_insn): New.
+ (record_arm_to_thumb_glue): Add v5t non-pic glue.
+ (elf32_arm_create_thumb_stub): Ditto.
+
2007-05-16 H.J. Lu <hongjiu.lu@intel.com>
Alan Modra <amodra@bigpond.net.au>
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 8b5d31e..d36c923e 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -2582,6 +2582,13 @@ find_arm_glue (struct bfd_link_info *link_info,
__func_addr:
.word func @ behave as if you saw a ARM_32 reloc.
+ (v5t static images)
+ .arm
+ __func_from_arm:
+ ldr pc, __func_addr
+ __func_addr:
+ .word func @ behave as if you saw a ARM_32 reloc.
+
(relocatable images)
.arm
__func_from_arm:
@@ -2597,6 +2604,10 @@ static const insn32 a2t1_ldr_insn = 0xe59fc000;
static const insn32 a2t2_bx_r12_insn = 0xe12fff1c;
static const insn32 a2t3_func_addr_insn = 0x00000001;
+#define ARM2THUMB_V5_STATIC_GLUE_SIZE 8
+static const insn32 a2t1v5_ldr_insn = 0xe51ff004;
+static const insn32 a2t2v5_func_addr_insn = 0x00000001;
+
#define ARM2THUMB_PIC_GLUE_SIZE 16
static const insn32 a2t1p_ldr_insn = 0xe59fc004;
static const insn32 a2t2p_add_pc_insn = 0xe08cc00f;
@@ -2745,6 +2756,8 @@ record_arm_to_thumb_glue (struct bfd_link_info * link_info,
if (link_info->shared || globals->root.is_relocatable_executable
|| globals->pic_veneer)
size = ARM2THUMB_PIC_GLUE_SIZE;
+ else if (globals->use_blx)
+ size = ARM2THUMB_V5_STATIC_GLUE_SIZE;
else
size = ARM2THUMB_STATIC_GLUE_SIZE;
@@ -4187,6 +4200,15 @@ elf32_arm_create_thumb_stub (struct bfd_link_info * info,
bfd_put_32 (output_bfd, ret_offset,
s->contents + my_offset + 12);
}
+ else if (globals->use_blx)
+ {
+ put_arm_insn (globals, output_bfd, (bfd_vma) a2t1v5_ldr_insn,
+ s->contents + my_offset);
+
+ /* It's a thumb address. Add the low order bit. */
+ bfd_put_32 (output_bfd, val | a2t2v5_func_addr_insn,
+ s->contents + my_offset + 4);
+ }
else
{
put_arm_insn (globals, output_bfd, (bfd_vma) a2t1_ldr_insn,
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index acad897..d3b7727 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2007-05-18 Paul Brook <paul@codesourcery.com>
+
+ * ld-arm/arm-call.d: Update expected output.
+
2007-05-17 Paul Brook <paul@codesourcery.com>
* ld-elf/multibss1.s: Use %nobits instead of @nobits.
diff --git a/ld/testsuite/ld-arm/arm-call.d b/ld/testsuite/ld-arm/arm-call.d
index fd4cd13..3a55deb 100644
--- a/ld/testsuite/ld-arm/arm-call.d
+++ b/ld/testsuite/ld-arm/arm-call.d
@@ -11,9 +11,9 @@ Disassembly of section .text:
8010: fa00000a blx 8040 <t1>
8014: fb000009 blx 8042 <t2>
8018: ea00000f b 805c <__t1_from_arm>
- 801c: ea000011 b 8068 <__t2_from_arm>
+ 801c: ea000010 b 8064 <__t2_from_arm>
8020: 1b00000d blne 805c <__t1_from_arm>
- 8024: 1b00000f blne 8068 <__t2_from_arm>
+ 8024: 1b00000e blne 8064 <__t2_from_arm>
8028: 1b000003 blne 803c <arm>
802c: eb000002 bl 803c <arm>
8030: faffffff blx 8034 <thumblocal>
@@ -48,11 +48,9 @@ Disassembly of section .text:
8058: f7ff efd2 blx 8000 <_start>
0000805c <__t1_from_arm>:
- 805c: e59fc000 ldr ip, \[pc, #0\] ; 8064 <__t1_from_arm\+0x8>
- 8060: e12fff1c bx ip
- 8064: 00008041 andeq r8, r0, r1, asr #32
-
-00008068 <__t2_from_arm>:
- 8068: e59fc000 ldr ip, \[pc, #0\] ; 8070 <__t2_from_arm\+0x8>
- 806c: e12fff1c bx ip
- 8070: 00008043 andeq r8, r0, r3, asr #32
+ 805c: e51ff004 ldr pc, \[pc, #-4\] ; 8060 <__t1_from_arm\+0x4>
+ 8060: 00008041 andeq r8, r0, r1, asr #32
+
+00008064 <__t2_from_arm>:
+ 8064: e51ff004 ldr pc, \[pc, #-4\] ; 8068 <__t2_from_arm\+0x4>
+ 8068: 00008043 andeq r8, r0, r3, asr #32