# RUN: ld64.lld -arch x86_64 -macosx_version_min 10.8 -dylib \
# RUN:      %s %p/Inputs/x86_64/libSystem.yaml -o %t \
# RUN:      -exported_symbols_list %p/Inputs/exported_symbols_list.exp && \
# RUN: llvm-nm -m %t | FileCheck %s
#
# RUN: ld64.lld -arch x86_64 -macosx_version_min 10.8 -dylib \
# RUN:      %s %p/Inputs/x86_64/libSystem.yaml -o %t2 \
# RUN:      -exported_symbol _foo -exported_symbol _b  && \
# RUN: llvm-nm -m %t2 | FileCheck %s
#
# RUN: ld64.lld -arch x86_64 -macosx_version_min 10.8 -dylib \
# RUN:      %s %p/Inputs/x86_64/libSystem.yaml -o %t3 \
# RUN:      -unexported_symbol _bar -unexported_symbol _a  && \
# RUN: llvm-nm -m %t3 | FileCheck %s
#
# RUN: ld64.lld -arch x86_64 -macosx_version_min 10.8 -dylib \
# RUN:      %s %p/Inputs/x86_64/libSystem.yaml -dead_strip -o %t \
# RUN:      -exported_symbols_list %p/Inputs/exported_symbols_list.exp && \
# RUN: llvm-nm -m %t | FileCheck -check-prefix=CHECK_DEAD %s
#
# Test -exported_symbols_list and -exported_symbol properly changes visibility.
#

--- !mach-o
arch:            x86_64
file-type:       MH_OBJECT
flags:           [ MH_SUBSECTIONS_VIA_SYMBOLS ]
sections:
  - segment:         __TEXT
    section:         __text
    type:            S_REGULAR
    attributes:      [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
    address:         0x0000000000000000
    content:         [ 0x55, 0x48, 0x89, 0xE5, 0x5D, 0xC3, 0x55, 0x48,
                       0x89, 0xE5, 0x5D, 0xC3 ]
  - segment:         __DATA
    section:         __data
    type:            S_REGULAR
    attributes:      [  ]
    alignment:       2
    address:         0x000000000000000C
    content:         [ 0x0A, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00 ]

global-symbols:
  - name:            _a
    type:            N_SECT
    scope:           [ N_EXT ]
    sect:            2
    value:           0x000000000000000C
  - name:            _b
    type:            N_SECT
    scope:           [ N_EXT ]
    sect:            2
    value:           0x0000000000000010
  - name:            _bar
    type:            N_SECT
    scope:           [ N_EXT ]
    sect:            1
    value:           0x0000000000000006
  - name:            _foo
    type:            N_SECT
    scope:           [ N_EXT ]
    sect:            1
    value:           0x0000000000000000


...

# CHECK: (__DATA,__data) non-external (was a private external) _a
# CHECK: (__DATA,__data) external _b
# CHECK: (__TEXT,__text) non-external (was a private external) _bar
# CHECK: (__TEXT,__text) external _foo

# CHECK_DEAD-NOT:  (__DATA,__data) non-external (was a private external) _a
# CHECK_DEAD:      (__DATA,__data) external _b
# CHECK_DEAD-NOT:  (__TEXT,__text) non-external (was a private external) _bar
# CHECK_DEAD:      (__TEXT,__text) external _foo