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binutils-gdb/ld/testsuite/ld-arm/cortex-a8-fix-blx-bcond.s
Julian Brown 4563a86028 bfd/
* elf32-arm.c (arm_stub_required_alignment): New.
    (arm_build_one_stub): Use above to partition stubs.
    (make_branch_to_a8_stub): Use arm_stub_a8_veneer_lwm not
    arm_stub_a8_veneer_b_cond.

    ld/testsuite/
    * ld-arm/arm-elf.exp (armelftests): Add cortex-a8-fix-blx-bcond.s.
    * ld-arm/cortex-a8-fix-blx-bcond.s: New.
    * ld-arm/cortex-a8-fix-blx-bcond.d: New.
2010-08-25 12:37:30 +00:00

82 lines
849 B
ArmAsm

.syntax unified
.cpu cortex-a8
.thumb
.text
@ expansion 32 bytes
.macro bw1
1:
add.w r0, r1, r2
blx.w arm_target
add.w r0, r1, r2
blx.w arm_target
add.w r0, r1, r2
blx.w arm_target
add.w r0, r1, r2
blx.w arm_target
.endm
@ expansion 128 bytes
.macro bw2
bw1
bw1
bw1
bw1
.endm
@ expansion 32 bytes
.macro bw3
1:
add.w r0, r1, r2
bne.w 1b
add.w r0, r1, r2
bne.w 1b
add.w r0, r1, r2
bne.w 1b
add.w r0, r1, r2
bne.w 1b
.endm
@ expansion 128 bytes
.macro bw4
bw3
bw3
bw3
bw3
.endm
.align 3
.global _start
.thumb
.thumb_func
.type _start, %function
_start:
nop
@ Trigger Cortex-A8 erratum workaround with b<cond> instructions.
bw4
bw4
nop
.rept 957
nop.w
.endr
.arm
arm_target:
add r3, r4, r5
bx lr
.thumb
bl_insns:
nop
@ ...and again with bl instructions.
bw2
bw2
bx lr