hello-world-arm64.yaml 3.48 KB
# RUN: ld64.lld -arch arm64 %s %p/Inputs/hello-world-arm64.yaml -o %t
# RUN: llvm-nm -m -n %t | FileCheck %s
# RUN: llvm-objdump --private-headers %t | FileCheck %s --check-prefix=CHECK-PRIVATE-HEADER
#
# Test that arm64 hello-world can be linked into a mach-o executable
#

--- !mach-o
arch:            arm64
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 ]
    alignment:       2
    address:         0x0000000000000000
    content:         [ 0xFD, 0x7B, 0xBF, 0xA9, 0xFD, 0x03, 0x00, 0x91,
                       0x08, 0x00, 0x00, 0x90, 0x08, 0x01, 0x40, 0xF9,
                       0x00, 0x01, 0x40, 0xF9, 0x01, 0x00, 0x00, 0x90,
                       0x21, 0x00, 0x00, 0x91, 0x00, 0x00, 0x00, 0x94,
                       0x00, 0x00, 0x80, 0x52, 0xFD, 0x7B, 0xC1, 0xA8,
                       0xC0, 0x03, 0x5F, 0xD6 ]
    relocations:
      - offset:          0x0000001C
        type:            ARM64_RELOC_BRANCH26
        length:          2
        pc-rel:          true
        extern:          true
        symbol:          5
      - offset:          0x00000018
        type:            ARM64_RELOC_PAGEOFF12
        length:          2
        pc-rel:          false
        extern:          true
        symbol:          1
      - offset:          0x00000014
        type:            ARM64_RELOC_PAGE21
        length:          2
        pc-rel:          true
        extern:          true
        symbol:          1
      - offset:          0x0000000C
        type:            ARM64_RELOC_GOT_LOAD_PAGEOFF12
        length:          2
        pc-rel:          false
        extern:          true
        symbol:          4
      - offset:          0x00000008
        type:            ARM64_RELOC_GOT_LOAD_PAGE21
        length:          2
        pc-rel:          true
        extern:          true
        symbol:          4
  - segment:         __TEXT
    section:         __cstring
    type:            S_CSTRING_LITERALS
    attributes:      [  ]
    address:         0x000000000000002C
    content:         [ 0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x0A, 0x00 ]
local-symbols:
  - name:            ltmp0
    type:            N_SECT
    sect:            1
    value:           0x0000000000000000
  - name:            l_.str
    type:            N_SECT
    sect:            2
    value:           0x000000000000002C
  - name:            ltmp1
    type:            N_SECT
    sect:            2
    value:           0x000000000000002C
global-symbols:
  - name:            _main
    type:            N_SECT
    scope:           [ N_EXT ]
    sect:            1
    value:           0x0000000000000000
undefined-symbols:
  - name:            ___stdoutp
    type:            N_UNDF
    scope:           [ N_EXT ]
    value:           0x0000000000000000
  - name:            _fprintf
    type:            N_UNDF
    scope:           [ N_EXT ]
    value:           0x0000000000000000
...

# CHECK:	(undefined) external ___stdoutp (from libSystem)
# CHECK:	(undefined) external _fprintf (from libSystem)
# CHECK:	(undefined) external dyld_stub_binder (from libSystem)
# CHECK:	{{[0-9a-f]+}} (__TEXT,__text) external _main

# CHECK-PRIVATE-HEADER: sectname __stubs
# CHECK-PRIVATE-HEADER-NEXT:  segname __TEXT
# CHECK-PRIVATE-HEADER-NEXT:     addr
# CHECK-PRIVATE-HEADER-NEXT:     size
# CHECK-PRIVATE-HEADER-NEXT:   offset
# CHECK-PRIVATE-HEADER-NEXT:    align 2^1 (2)