llvm/llvm/test/Object/Inputs/MachO/flat-reexport.yaml

# echo "_fputc" >> reexports.exp
# echo "void sym1(void){}" | xcrun clang --target=arm64-apple-macos11.0 -o flat-reexport -dynamiclib -Wl,-reexported_symbols_list,reexports.exp -Wl,-flat_namespace -x c -
# obj2yaml --raw-segment=data --raw-segment=linkedit flat-reexport > flat-reexport.yaml
--- !mach-o
FileHeader:
  magic:           0xFEEDFACF
  cputype:         0x100000C
  cpusubtype:      0x0
  filetype:        0x6
  ncmds:           13
  sizeofcmds:      672
  flags:           0x108004
  reserved:        0x0
LoadCommands:
  - cmd:             LC_SEGMENT_64
    cmdsize:         232
    segname:         __TEXT
    vmaddr:          0
    vmsize:          16384
    fileoff:         0
    filesize:        16384
    maxprot:         5
    initprot:        5
    nsects:          2
    flags:           0
    Sections:
      - sectname:        __text
        segname:         __TEXT
        addr:            0x3FB4
        size:            4
        offset:          0x3FB4
        align:           2
        reloff:          0x0
        nreloc:          0
        flags:           0x80000400
        reserved1:       0x0
        reserved2:       0x0
        reserved3:       0x0
        content:         C0035FD6
      - sectname:        __unwind_info
        segname:         __TEXT
        addr:            0x3FB8
        size:            72
        offset:          0x3FB8
        align:           2
        reloff:          0x0
        nreloc:          0
        flags:           0x0
        reserved1:       0x0
        reserved2:       0x0
        reserved3:       0x0
        content:         010000001C000000000000001C000000000000001C00000002000000B43F00003400000034000000B93F00000000000034000000030000000C000100100001000000000000000002
  - cmd:             LC_SEGMENT_64
    cmdsize:         72
    segname:         __LINKEDIT
    vmaddr:          16384
    vmsize:          16384
    fileoff:         16384
    filesize:        442
    maxprot:         1
    initprot:        1
    nsects:          0
    flags:           0
  - cmd:             LC_ID_DYLIB
    cmdsize:         40
    dylib:
      name:            24
      timestamp:       1
      current_version: 0
      compatibility_version: 0
    Content:         flat-reexport
    ZeroPadBytes:    3
  - cmd:             LC_DYLD_INFO_ONLY
    cmdsize:         48
    rebase_off:      0
    rebase_size:     0
    bind_off:        0
    bind_size:       0
    weak_bind_off:   0
    weak_bind_size:  0
    lazy_bind_off:   0
    lazy_bind_size:  0
    export_off:      16384
    export_size:     40
  - cmd:             LC_SYMTAB
    cmdsize:         24
    symoff:          16432
    nsyms:           4
    stroff:          16496
    strsize:         40
  - cmd:             LC_DYSYMTAB
    cmdsize:         80
    ilocalsym:       0
    nlocalsym:       0
    iextdefsym:      0
    nextdefsym:      2
    iundefsym:       2
    nundefsym:       2
    tocoff:          0
    ntoc:            0
    modtaboff:       0
    nmodtab:         0
    extrefsymoff:    0
    nextrefsyms:     0
    indirectsymoff:  0
    nindirectsyms:   0
    extreloff:       0
    nextrel:         0
    locreloff:       0
    nlocrel:         0
  - cmd:             LC_UUID
    cmdsize:         24
    uuid:            840B0A4F-3749-37F1-B52C-37DC65AAA0DB
  - cmd:             LC_BUILD_VERSION
    cmdsize:         32
    platform:        1
    minos:           720896
    sdk:             787712
    ntools:          1
    Tools:
      - tool:            3
        version:         53280768
  - cmd:             LC_SOURCE_VERSION
    cmdsize:         16
    version:         0
  - cmd:             LC_LOAD_DYLIB
    cmdsize:         56
    dylib:
      name:            24
      timestamp:       2
      current_version: 85948417
      compatibility_version: 65536
    Content:         '/usr/lib/libSystem.B.dylib'
    ZeroPadBytes:    6
  - cmd:             LC_FUNCTION_STARTS
    cmdsize:         16
    dataoff:         16424
    datasize:        8
  - cmd:             LC_DATA_IN_CODE
    cmdsize:         16
    dataoff:         16432
    datasize:        0
  - cmd:             LC_CODE_SIGNATURE
    cmdsize:         16
    dataoff:         16544
    datasize:        282
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
...