# RUN: ld64.lld.darwinold -arch x86_64 -dylib %p/Inputs/bar.yaml \
# RUN:     -install_name /usr/lib/libbar.dylib %p/Inputs/x86_64/libSystem.yaml -o %t1.dylib
# RUN: ld64.lld.darwinold -arch x86_64 -dylib %s -upward_library  %t1.dylib \
# RUN:      -install_name /usr/lib/libfoo.dylib %p/Inputs/x86_64/libSystem.yaml -o %t
# RUN: llvm-objdump --private-headers %t | FileCheck %s
#
#
# Test upward linking: 1) build libbar.dylib, 2) build libfoo.dylib and upward
# like with libbar.dylib, 3) dump load commands of libfoo and verify upward link.
#

--- !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, 0x31, 0xC0, 0x5D, 0xE9,
                       0x00, 0x00, 0x00, 0x00 ]
    relocations:
      - offset:          0x00000008
        type:            X86_64_RELOC_BRANCH
        length:          2
        pc-rel:          true
        extern:          true
        symbol:          1
global-symbols:
  - name:            _foo
    type:            N_SECT
    scope:           [ N_EXT ]
    sect:            1
    value:           0x0000000000000000
undefined-symbols:
  - name:            _bar
    type:            N_UNDF
    scope:           [ N_EXT ]
    value:           0x0000000000000000

...


# CHECK:	              cmd LC_LOAD_UPWARD_DYLIB
# CHECK-NEXT:	      cmdsize 48
# CHECK-NEXT:	         name /usr/lib/libbar.dylib (offset 24)