test/mach-o/parse-eh-frame.yaml

   1 # RUN: ld64.lld -arch x86_64 -r -print_atoms %s -o %t  | FileCheck %s
   2 #
   3 # Test parsing of __eh_frame (dwarf unwind) section.
   4 #
   5
   6 --- !mach-o
   7 arch:            x86_64
   8 file-type:       MH_OBJECT
   9 flags:           [ MH_SUBSECTIONS_VIA_SYMBOLS ]
  10 has-UUID:        false
  11 OS:              unknown
  12 sections:
  13   - segment:         __TEXT
  14     section:         __text
  15     type:            S_REGULAR
  16     attributes:      [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
  17     address:         0x0000000000000000
  18     content:         [ 0x55, 0x48, 0x89, 0xE5, 0xB8, 0x09, 0x00, 0x00,
  19                        0x00, 0x5D, 0xC3, 0x55, 0x48, 0x89, 0xE5, 0xB8,
  20                        0x0A, 0x00, 0x00, 0x00, 0x5D, 0xC3 ]
  21   - segment:         __TEXT
  22     section:         __eh_frame
  23     type:            S_COALESCED
  24     attributes:      [  ]
  25     alignment:       8
  26     address:         0x0000000000000058
  27     content:         [ 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  28                        0x01, 0x7A, 0x52, 0x00, 0x01, 0x78, 0x10, 0x01,
  29                        0x10, 0x0C, 0x07, 0x08, 0x90, 0x01, 0x00, 0x00,
  30                        0x24, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00,
  31                        0x88, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  32                        0x0B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  33                        0x00, 0x41, 0x0E, 0x10, 0x86, 0x02, 0x43, 0x0D,
  34                        0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  35                        0x24, 0x00, 0x00, 0x00, 0x44, 0x00, 0x00, 0x00,
  36                        0x6B, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  37                        0x0B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  38                        0x00, 0x41, 0x0E, 0x10, 0x86, 0x02, 0x43, 0x0D,
  39                        0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ]
  40 global-symbols:
  41   - name:            __Z3barv
  42     type:            N_SECT
  43     scope:           [ N_EXT ]
  44     sect:            1
  45     value:           0x0000000000000000
  46   - name:            __Z3foov
  47     type:            N_SECT
  48     scope:           [ N_EXT ]
  49     sect:            1
  50     value:           0x000000000000000B
  51 ...
  52
  53 # CHECK: defined-atoms:
  54 # CHECK:   - ref-name:        [[CIE:L[0-9]+]]
  55 # CHECK:     type:            unwind-cfi
  56 # CHECK:     content:         [ 14, 00, 00, 00, 00, 00, 00, 00, 01, 7A, 52, 00,
  57 # CHECK:                        01, 78, 10, 01, 10, 0C, 07, 08, 90, 01, 00, 00 ]
  58 # CHECK:   - type:            unwind-cfi
  59 # CHECK:     content:         [ 24, 00, 00, 00, 1C, 00, 00, 00, 88, FF, FF, FF,
  60 # CHECK:                        FF, FF, FF, FF, 0B, 00, 00, 00, 00, 00, 00, 00,
  61 # CHECK:                        00, 41, 0E, 10, 86, 02, 43, 0D, 06, 00, 00, 00,
  62 # CHECK:                        00, 00, 00, 00 ]
  63 # CHECK:     references:
  64 # CHECK:       - kind:            negDelta32
  65 # CHECK:         offset:          4
  66 # CHECK:         target:          [[CIE]]
  67 # CHECK:       - kind:            unwindFDEToFunction
  68 # CHECK:         offset:          8
  69 # CHECK:         target:          __Z3barv
  70 # CHECK:   - type:            unwind-cfi
  71 # CHECK:     content:         [ 24, 00, 00, 00, 44, 00, 00, 00, 6B, FF, FF, FF,
  72 # CHECK:                        FF, FF, FF, FF, 0B, 00, 00, 00, 00, 00, 00, 00,
  73 # CHECK:                        00, 41, 0E, 10, 86, 02, 43, 0D, 06, 00, 00, 00,
  74 # CHECK:                        00, 00, 00, 00 ]
  75 # CHECK:     references:
  76 # CHECK:       - kind:            negDelta32
  77 # CHECK:         offset:          4
  78 # CHECK:         target:          [[CIE]]
  79 # CHECK:       - kind:            unwindFDEToFunction
  80 # CHECK:         offset:          8
  81 # CHECK:         target:          __Z3foov
  82 # CHECK:   - name:            __Z3barv
  83 # CHECK:     scope:           global
  84 # CHECK:     content:         [ 55, 48, 89, E5, B8, 09, 00, 00, 00, 5D, C3 ]
  85 # CHECK:   - name:            __Z3foov
  86 # CHECK:     scope:           global
  87 # CHECK:     content:         [ 55, 48, 89, E5, B8, 0A, 00, 00, 00, 5D, C3 ]
  88