llvm-6502/test/MC/ARM/eh-directive-cantunwind-diagnostics.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

107 lines
2.8 KiB
ArmAsm

@ RUN: not llvm-mc -triple=armv7-unknown-linux-gnueabi < %s 2> %t
@ RUN: FileCheck < %t %s
@ Check the diagnostics for .cantunwind, .handlerdata, and .personality
@ .cantunwind directive can't be used with .handlerdata directive nor
@ .personality directive. This test case check for the diagnostics for
@ the conflicts.
.syntax unified
.text
@-------------------------------------------------------------------------------
@ TEST1: cantunwind + personality
@-------------------------------------------------------------------------------
.globl func1
.align 2
.type func1,%function
.fnstart
func1:
.cantunwind
.personality __gxx_personality_v0
@ CHECK: error: .personality can't be used with .cantunwind directive
@ CEHCK: .personality __gxx_personality_v0
@ CHECK: ^
@ CHECK: error: .cantunwind was specified here
@ CHECK: .cantunwind
@ CHECK: ^
.fnend
@-------------------------------------------------------------------------------
@ TEST2: cantunwind + handlerdata
@-------------------------------------------------------------------------------
.globl func2
.align 2
.type func2,%function
.fnstart
func2:
.cantunwind
.handlerdata
@ CHECK: error: .handlerdata can't be used with .cantunwind directive
@ CEHCK: .handlerdata
@ CHECK: ^
@ CHECK: error: .cantunwind was specified here
@ CHECK: .cantunwind
@ CHECK: ^
.fnend
@-------------------------------------------------------------------------------
@ TEST3: personality + cantunwind
@-------------------------------------------------------------------------------
.globl func3
.align 2
.type func3,%function
.fnstart
func3:
.personality __gxx_personality_v0
.cantunwind
@ CHECK: error: .cantunwind can't be used with .personality directive
@ CEHCK: .cantunwind
@ CHECK: ^
@ CHECK: error: .personality was specified here
@ CHECK: .personality __gxx_personality_v0
@ CHECK: ^
.fnend
@-------------------------------------------------------------------------------
@ TEST4: handlerdata + cantunwind
@-------------------------------------------------------------------------------
.globl func4
.align 2
.type func4,%function
.fnstart
func4:
.handlerdata
.cantunwind
@ CHECK: error: .cantunwind can't be used with .handlerdata directive
@ CEHCK: .cantunwind
@ CHECK: ^
@ CHECK: error: .handlerdata was specified here
@ CHECK: .handlerdata
@ CHECK: ^
.fnend
@-------------------------------------------------------------------------------
@ TEST5: cantunwind + fnstart
@-------------------------------------------------------------------------------
.globl func5
.align 2
.type func5,%function
.cantunwind
@ CHECK: error: .fnstart must precede .cantunwind directive
@ CHECK: .cantunwind
@ CHECK: ^
.fnstart
func5:
.fnend