test/MC/MachO/debug_frame.s

   1 // RUN: llvm-mc -triple i386-apple-darwin %s -filetype=obj -o - | llvm-readobj -S --sd -r | FileCheck %s
   2
   3 // Make sure MC can handle file level .cfi_startproc and .cfi_endproc that creates
   4 // an empty frame.
   5 // rdar://10017184
   6 _proc:
   7 .cfi_startproc
   8 .cfi_endproc
   9
  10 // Check that we don't produce a relocation for the CIE pointer and therefore
  11 // we have only one relocation in __debug_frame.
  12
  13         .section        __TEXT,__text,regular,pure_instructions
  14         .globl  _f
  15         .align  4, 0x90
  16 _f:                                     ## @f
  17 Ltmp0:
  18         .cfi_startproc
  19 ## %bb.0:                               ## %entry
  20         movl    $42, %eax
  21         ret
  22 Ltmp1:
  23         .cfi_endproc
  24 Leh_func_end0:
  25
  26         .cfi_sections .debug_frame
  27 Ltext_end:
  28
  29 // CHECK: Section {
  30 // CHECK:     Index: 1
  31 // CHECK:     Name: __debug_frame (5F 5F 64 65 62 75 67 5F 66 72 61 6D 65 00 00 00)
  32 // CHECK:     Segment: __DWARF (5F 5F 44 57 41 52 46 00 00 00 00 00 00 00 00 00)
  33 // CHECK:     Address: 0x8
  34 // CHECK:     Size: 0x34
  35 // CHECK:     Offset: 332
  36 // CHECK:     Alignment: 2
  37 // CHECK:     RelocationOffset: 0x180
  38 // CHECK:     RelocationCount: 2
  39 // CHECK:     Type: Regular (0x0)
  40 // CHECK:     Attributes [ (0x20000)
  41 // CHECK:       Debug (0x20000)
  42 // CHECK:     ]
  43 // CHECK:     Reserved1: 0x0
  44 // CHECK:     Reserved2: 0x0
  45 // CHECK:     SectionData (
  46 // CHECK:       0000: 10000000 FFFFFFFF 04000400 017C080C  |.............|..|
  47 // CHECK:       0010: 04048801 0C000000 00000000 00000000  |................|
  48 // CHECK:       0020: 00000000 0C000000 00000000 00000000  |................|
  49 // CHECK:       0030: 06000000                             |....|
  50 // CHECK:     )
  51 // CHECK:   }
  52 // CHECK: ]
  53 // CHECK: Relocations [
  54 // CHECK:   Section __debug_frame {
  55 // CHECK:     0x2C 0 2 0 GENERIC_RELOC_VANILLA 0 __text
  56 // CHECK:     0x1C 0 2 0 GENERIC_RELOC_VANILLA 0 __text
  57 // CHECK:   }
  58 // CHECK: ]