test/mach-o/lazy-bind-x86_64.yaml

   1 # REQUIRES: x86
   2
   3 # RUN: ld64.lld -arch x86_64 -macosx_version_min 10.8 %s \
   4 # RUN: %p/Inputs/lazy-bind-x86_64.yaml  %p/Inputs/lazy-bind-x86_64-2.yaml \
   5 # RUN: %p/Inputs/lazy-bind-x86_64-3.yaml -o %t  \
   6 # RUN:   %p/Inputs/x86_64/libSystem.yaml
   7 # RUN: llvm-objdump -lazy-bind %t | FileCheck %s
   8 # RUN: llvm-nm -m %t | FileCheck --check-prefix=CHECK-NM %s
   9 # RUN: llvm-objdump -disassemble %t | FileCheck --check-prefix=CHECK-HELPERS %s
  10 # RUN: llvm-objdump -private-headers %t | FileCheck --check-prefix=CHECK-DYLIBS %s
  11 #
  12 # Test that correct two-level namespace ordinals are used for lazy bindings.
  13 #
  14
  15 --- !mach-o
  16 arch:            x86_64
  17 file-type:       MH_OBJECT
  18 flags:           [ MH_SUBSECTIONS_VIA_SYMBOLS ]
  19 sections:
  20   - segment:         __TEXT
  21     section:         __text
  22     type:            S_REGULAR
  23     attributes:      [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
  24     address:         0x0000000000000000
  25     content:         [ 0x55, 0x48, 0x89, 0xE5, 0x31, 0xC0, 0xE8, 0x00,
  26                        0x00, 0x00, 0x00, 0x31, 0xC0, 0xE8, 0x00, 0x00,
  27                        0x00, 0x00, 0x31, 0xC0, 0xE8, 0x00, 0x00, 0x00,
  28                        0x00, 0x31, 0xC0, 0x5D, 0xC3 ]
  29     relocations:
  30       - offset:          0x00000015
  31         type:            X86_64_RELOC_BRANCH
  32         length:          2
  33         pc-rel:          true
  34         extern:          true
  35         symbol:          3
  36       - offset:          0x0000000E
  37         type:            X86_64_RELOC_BRANCH
  38         length:          2
  39         pc-rel:          true
  40         extern:          true
  41         symbol:          2
  42       - offset:          0x00000007
  43         type:            X86_64_RELOC_BRANCH
  44         length:          2
  45         pc-rel:          true
  46         extern:          true
  47         symbol:          1
  48 global-symbols:
  49   - name:            _main
  50     type:            N_SECT
  51     scope:           [ N_EXT ]
  52     sect:            1
  53     value:           0x0000000000000000
  54 undefined-symbols:
  55   - name:            _bar
  56     type:            N_UNDF
  57     scope:           [ N_EXT ]
  58     value:           0x0000000000000000
  59   - name:            _baz
  60     type:            N_UNDF
  61     scope:           [ N_EXT ]
  62     value:           0x0000000000000000
  63   - name:            _foo
  64     type:            N_UNDF
  65     scope:           [ N_EXT ]
  66     value:           0x0000000000000000
  67
  68 ...
  69
  70
  71 # CHECK:    libbar        _bar
  72 # CHECK:    libbaz        _baz
  73 # CHECK:    libfoo        _foo
  74
  75
  76 # CHECK-NM:   (undefined) external _bar (from libbar)
  77 # CHECK-NM:   (undefined) external _baz (from libbaz)
  78 # CHECK-NM:   (undefined) external _foo (from libfoo)
  79
  80
  81 # CHECK-HELPERS:Disassembly of section __TEXT,__stub_helper:
  82 # CHECK-HELPERS:        68 00 00 00 00            pushq $0
  83 # CHECK-HELPERS:        68 0b 00 00 00            pushq $11
  84 # CHECK-HELPERS:        68 16 00 00 00            pushq $22
  85
  86 # Make sure the stub helper is correctly aligned
  87 # CHECK-DYLIBS:   sectname __stub_helper
  88 # CHECK-DYLIBS-NEXT:    segname __TEXT
  89 # CHECK-DYLIBS-NEXT:       addr
  90 # CHECK-DYLIBS-NEXT:       size
  91 # CHECK-DYLIBS-NEXT:     offset
  92 # CHECK-DYLIBS-NEXT:      align 2^2 (4)
  93
  94 # Make sure the __nl_symbol_ptr section is used instea of __got as this is x86_64
  95 # CHECK-DYLIBS:   sectname __nl_symbol_ptr
  96 # CHECK-DYLIBS-NEXT:    segname __DATA
  97
  98 # CHECK-DYLIBS:           cmd LC_LOAD_DYLIB
  99 # CHECK-DYLIBS:          name /usr/lib/libbar.dylib (offset 24)
 100 # CHECK-DYLIBS:       current version 2.3.0
 101 # CHECK-DYLIBS: compatibility version 1.0.0
 102 # CHECK-DYLIBS:           cmd LC_LOAD_DYLIB
 103 # CHECK-DYLIBS:          name /usr/lib/libfoo.dylib (offset 24)
 104 # CHECK-DYLIBS:       current version 3.4.0
 105 # CHECK-DYLIBS: compatibility version 2.0.0
 106 # CHECK-DYLIBS:           cmd LC_LOAD_DYLIB
 107 # CHECK-DYLIBS:          name /usr/lib/libbaz.dylib (offset 24)
 108 # CHECK-DYLIBS:       current version 4.5.0
 109 # CHECK-DYLIBS: compatibility version 3.0.0
 110
 111