test/mach-o/mh_dylib_header.yaml

   1 # RUN: ld64.lld -arch x86_64  %s -dylib -o %t %p/Inputs/x86_64/libSystem.yaml
   2 # RUN: llvm-nm -m -n %t | FileCheck %s
   3 #
   4 # Test that __mh_dylib_header symbol is available for dylibs
   5 #
   6
   7 --- !mach-o
   8 arch:            x86_64
   9 file-type:       MH_OBJECT
  10 flags:           [ MH_SUBSECTIONS_VIA_SYMBOLS ]
  11 sections:
  12   - segment:         __TEXT
  13     section:         __text
  14     type:            S_REGULAR
  15     attributes:      [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
  16     address:         0x0000000000000000
  17     content:         [ 0x55, 0x48, 0x89, 0xE5, 0x31, 0xC0, 0x5D, 0xC3 ]
  18   - segment:         __DATA
  19     section:         __data
  20     type:            S_REGULAR
  21     attributes:      [  ]
  22     alignment:       8
  23     address:         0x0000000000000008
  24     content:         [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ]
  25     relocations:
  26       - offset:          0x00000000
  27         type:            X86_64_RELOC_UNSIGNED
  28         length:          3
  29         pc-rel:          false
  30         extern:          true
  31         symbol:          2
  32 global-symbols:
  33   - name:            _d
  34     type:            N_SECT
  35     scope:           [ N_EXT ]
  36     sect:            2
  37     value:           0x0000000000000008
  38   - name:            _foo
  39     type:            N_SECT
  40     scope:           [ N_EXT ]
  41     sect:            1
  42     value:           0x0000000000000000
  43 undefined-symbols:
  44   - name:            __mh_dylib_header
  45     type:            N_UNDF
  46     scope:           [ N_EXT ]
  47     value:           0x0000000000000000
  48
  49
  50 ...
  51
  52 # CHECK_NOT:    __mh_dylib_header
  53 # CHECK:      _foo