test/MC/COFF/seh.s

   1 // This test checks that the SEH directives emit the correct unwind data.
   2 // RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | coff-dump.py | FileCheck %s
   3
   4 // CHECK:      Name                 = .xdata
   5 // CHECK-NEXT: VirtualSize
   6 // CHECK-NEXT: VirtualAddress
   7 // CHECK-NEXT: SizeOfRawData        = 52
   8 // CHECK-NEXT: PointerToRawData
   9 // CHECK-NEXT: PointerToRelocations
  10 // CHECK-NEXT: PointerToLineNumbers
  11 // CHECK-NEXT: NumberOfRelocations  = 4
  12 // CHECK-NEXT: NumberOfLineNumbers  = 0
  13 // CHECK-NEXT: Charateristics
  14 // CHECK-NEXT:   IMAGE_SCN_CNT_INITIALIZED_DATA
  15 // CHECK-NEXT:   IMAGE_SCN_ALIGN_4BYTES
  16 // CHECK-NEXT:   IMAGE_SCN_MEM_READ
  17 // CHECK-NEXT:   IMAGE_SCN_MEM_WRITE
  18 // CHECK-NEXT: SectionData
  19 // CHECK-NEXT:   09 12 08 03 00 03 0F 30 - 0E 88 00 00 09 64 02 00
  20 // CHECK-NEXT:   04 22 00 1A 00 00 00 00 - 00 00 00 00 21 00 00 00
  21 // CHECK-NEXT:   00 00 00 00 1B 00 00 00 - 00 00 00 00 01 00 00 00
  22 // CHECK-NEXT:   00 00 00 00
  23
  24     .text
  25     .globl func
  26     .def func; .scl 2; .type 32; .endef
  27     .seh_proc func
  28 func:
  29     .seh_pushframe @code
  30     subq $24, %rsp
  31     .seh_stackalloc 24
  32     movq %rsi, 16(%rsp)
  33     .seh_savereg %rsi, 16
  34     movups %xmm8, (%rsp)
  35     .seh_savexmm %xmm8, 0
  36     pushq %rbx
  37     .seh_pushreg 3
  38     mov %rsp, %rbx
  39     .seh_setframe 3, 0
  40     .seh_endprologue
  41     .seh_handler __C_specific_handler, @except
  42     .seh_handlerdata
  43     .long 0
  44     .text
  45     .seh_startchained
  46     .seh_endprologue
  47     .seh_endchained
  48     lea (%rbx), %rsp
  49     pop %rbx
  50     addq $24, %rsp
  51     ret
  52     .seh_endproc
  53
  54 // Test emission of small functions.
  55     .globl smallFunc
  56     .def smallFunc; .scl 2; .type 32; .endef
  57     .seh_proc smallFunc
  58 smallFunc:
  59     ret
  60     .seh_endproc