llvm-6502/test/MC/ARM/eh-directive-vsave-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

42 lines
1.1 KiB
ArmAsm

@ RUN: not llvm-mc -triple=armv7-unknown-linux-gnueabi < %s 2> %t
@ RUN: FileCheck --check-prefix=CHECK < %t %s
@ Check the diagnostics for .vsave directive
@ .vsave directive should always come after .fnstart directive
@ and before .handlerdata directive.
.syntax unified
.text
@-------------------------------------------------------------------------------
@ TEST1: .vsave before .fnstart
@-------------------------------------------------------------------------------
.globl func1
.align 2
.type func1,%function
.vsave {d0, d1, d2, d3}
@ CHECK: error: .fnstart must precede .save or .vsave directives
@ CHECK: .vsave {d0, d1, d2, d3}
@ CHECK: ^
.fnstart
func1:
.fnend
@-------------------------------------------------------------------------------
@ TEST2: .vsave after .handlerdata
@-------------------------------------------------------------------------------
.globl func2
.align 2
.type func2,%function
.fnstart
func2:
.handlerdata
.vsave {d0, d1, d2, d3}
@ CHECK: error: .save or .vsave must precede .handlerdata directive
@ CHECK: .vsave {d0, d1, d2, d3}
@ CHECK: ^
.fnend