long-call-branch-island-relocation.s
1.02 KB
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@ RUN: llvm-mc -n -triple armv7-apple-darwin10 %s -filetype=obj -o %t.o
@ RUN: llvm-readobj -r --expand-relocs < %t.o | FileCheck %s
@ rdar://12359919
.syntax unified
.text
.globl _bar
.align 2
.code 16
.thumb_func _bar
_bar:
push {r7, lr}
mov r7, sp
bl _foo
pop {r7, pc}
_junk:
@ Make the _foo symbol sufficiently far away to force the 'bl' relocation
@ above to be out of range. On Darwin, the assembler deals with this by
@ generating an external relocation so the linker can create a branch
@ island.
.space 20000000
.section __TEXT,initcode,regular,pure_instructions
.globl _foo
.align 2
.code 16
_foo:
push {r7, lr}
mov r7, sp
pop {r7, pc}
@ CHECK: File: <stdin>
@ CHECK: Format: Mach-O arm
@ CHECK: Arch: arm
@ CHECK: AddressSize: 32bit
@ CHECK: Relocations [
@ CHECK: Section __text {
@ CHECK: Relocation {
@ CHECK: Offset: 0x4
@ CHECK: PCRel: 1
@ CHECK: Length: 2
@ CHECK: Type: ARM_THUMB_RELOC_BR22 (6)
@ CHECK: Symbol: _foo (2)
@ CHECK: }
@ CHECK: }
@ CHECK: ]