llvm-6502/test/MC/ARM/eh-directive-personality.s
Logan Chien c24a374331 Implement AsmParser for ARM unwind directives.
This commit implements the AsmParser for fnstart, fnend,
cantunwind, personality, handlerdata, pad, setfp, save, and
vsave directives.

This commit fixes some minor issue in the ARMELFStreamer:

* The switch back to corresponding section after the .fnend
  directive.

* Emit the unwind opcode while processing .fnend directive
  if there is no .handlerdata directive.

* Emit the unwind opcode to .ARM.extab while processing
  .handlerdata even if .personality directive does not exist.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181603 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-10 16:17:24 +00:00

91 lines
2.3 KiB
ArmAsm

@ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \
@ RUN: | llvm-readobj -s -sd -sr | FileCheck %s
@ Check the .personality directive.
.syntax unified
@-------------------------------------------------------------------------------
@ TEST1
@-------------------------------------------------------------------------------
.section .TEST1
.globl func1
.align 2
.type func1,%function
.fnstart
func1:
bx lr
.personality __gxx_personality_v0
.handlerdata
.fnend
@ CHECK: Section {
@ CHECK: Name: .TEST1
@ CHECK: SectionData (
@ CHECK: 0000: 1EFF2FE1 |../.|
@ CHECK: )
@ CHECK: }
@ CHECK: Section {
@ CHECK: Name: .ARM.extab.TEST1
@ CHECK: Relocations [
@ CHECK: 0x0 R_ARM_PREL31 __gxx_personality_v0 0x0
@ CHECK: ]
@ CHECK: SectionData (
@ CHECK: 0000: 00000000 B0B0B000 |........|
@ CHECK: )
@ CHECK: }
@ CHECK: Section {
@ CHECK: Name: .ARM.exidx.TEST1
@ CHECK: Relocations [
@ CHECK: 0x0 R_ARM_PREL31 .TEST1 0x0
@ CHECK: 0x4 R_ARM_PREL31 .ARM.extab.TEST1 0x0
@ CHECK: ]
@ CHECK: SectionData (
@ CHECK: 0000: 00000000 00000000 |........|
@ CHECK: )
@ CHECK: }
@-------------------------------------------------------------------------------
@ TEST2
@-------------------------------------------------------------------------------
.section .TEST2
.globl func2
.align 2
.type func2,%function
.fnstart
func2:
bx lr
.personality __gxx_personality_v0
@ The .handlerdata directive is intentionally ignored. The .fnend @ directive should create the EXTAB entry and flush the unwind opcodes.
.fnend
@ CHECK: Section {
@ CHECK: Name: .TEST2
@ CHECK: SectionData (
@ CHECK: 0000: 1EFF2FE1 |../.|
@ CHECK: )
@ CHECK: }
@ CHECK: Section {
@ CHECK: Name: .ARM.extab.TEST2
@ CHECK: Relocations [
@ CHECK: 0x0 R_ARM_PREL31 __gxx_personality_v0 0x0
@ CHECK: ]
@ CHECK: SectionData (
@ CHECK: 0000: 00000000 B0B0B000 |........|
@ CHECK: )
@ CHECK: }
@ CHECK: Section {
@ CHECK: Name: .ARM.exidx.TEST2
@ CHECK: Relocations [
@ CHECK: 0x0 R_ARM_PREL31 .TEST2 0x0
@ CHECK: 0x4 R_ARM_PREL31 .ARM.extab.TEST2 0x0
@ CHECK: ]
@ CHECK: SectionData (
@ CHECK: 0000: 00000000 00000000 |........|
@ CHECK: )
@ CHECK: }