# RUN: yaml2obj %s -o %t ## Verify that the input file is valid and contains the expected load command. # RUN: llvm-objdump --private-headers %t | FileCheck %s --check-prefix=CHECK-ORIGINAL # CHECK-ORIGINAL: cmd LC_CODE_SIGNATURE # CHECK-ORIGINAL-NEXT: cmdsize 16 # CHECK-ORIGINAL-NEXT: dataoff 16544 # CHECK-ORIGINAL-NEXT: datasize 280 # RUN: llvm-objcopy %t %t.copy # RUN: obj2yaml %t > %t.yaml # RUN: obj2yaml %t.copy > %t.copy.yaml ## Verify that the copy still includes the load command # RUN: FileCheck %s --check-prefix=CHECK-COPY < %t.copy.yaml # CHECK-COPY: - cmd: LC_CODE_SIGNATURE # CHECK-COPY-NEXT: cmdsize: 16 # CHECK-COPY-NEXT: dataoff: 16544 # CHECK-COPY-NEXT: datasize: 304 ## Remove information changed by regeneration of load command: ## - __LINKEDIT segment filesize may change (4 lines) ## - LC_CODE_SIGNATURE command dataoff and datasize may change (3 lines) ## - __LINKEDIT data locations may change ## NOTE: The {N;N;N;N;d} means delete the next four lines for BSD and GNU sed. ## The ,+4d is a GNU extension which seems not to work in macOS 10.15 # RUN: sed -e '/__LINKEDIT/{N;N;N;N;d;}' \ # RUN: -e '/LC_CODE_SIGNATURE/{N;N;N;d;}' \ # RUN: -e '/n_strx/d' \ # RUN: -e '/dyld_stub_binder/d' %t.yaml > %t.clean.yaml # RUN: sed -e '/__LINKEDIT/{N;N;N;N;d;}' \ # RUN: -e '/LC_CODE_SIGNATURE/{N;N;N;d;}' \ # RUN: -e '/n_strx/d' \ # RUN: -e '/dyld_stub_binder/d' %t.copy.yaml > %t.copy.clean.yaml ## Verify the remainder of the object file remains unchanged # RUN: diff %t.clean.yaml %t.copy.clean.yaml ## Verify the new signature is valid # RUN: %python %p/Inputs/code-signature-check.py %t.copy 16544 304 0 16544 --- !mach-o FileHeader: magic: 0xFEEDFACF cputype: 0x1000007 cpusubtype: 0x3 filetype: 0x2 ncmds: 15 sizeofcmds: 760 flags: 0x200085 reserved: 0x0 LoadCommands: - cmd: LC_SEGMENT_64 cmdsize: 72 segname: __PAGEZERO vmaddr: 0 vmsize: 4294967296 fileoff: 0 filesize: 0 maxprot: 0 initprot: 0 nsects: 0 flags: 0 - cmd: LC_SEGMENT_64 cmdsize: 232 segname: __TEXT vmaddr: 4294967296 vmsize: 16384 fileoff: 0 filesize: 16384 maxprot: 5 initprot: 5 nsects: 2 flags: 0 Sections: - sectname: __text segname: __TEXT addr: 0x100003FA0 size: 15 offset: 0x3FA0 align: 4 reloff: 0x0 nreloc: 0 flags: 0x80000400 reserved1: 0x0 reserved2: 0x0 reserved3: 0x0 content: 554889E531C0C745FC000000005DC3 - sectname: __unwind_info segname: __TEXT addr: 0x100003FB0 size: 72 offset: 0x3FB0 align: 2 reloff: 0x0 nreloc: 0 flags: 0x0 reserved1: 0x0 reserved2: 0x0 reserved3: 0x0 content: 010000001C000000000000001C000000000000001C00000002000000A03F00003400000034000000B03F00000000000034000000030000000C000100100001000000000000000001 - cmd: LC_SEGMENT_64 cmdsize: 72 segname: __LINKEDIT vmaddr: 4294983680 vmsize: 16384 fileoff: 16384 filesize: 440 maxprot: 1 initprot: 1 nsects: 0 flags: 0 - 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: 48 - cmd: LC_SYMTAB cmdsize: 24 symoff: 16440 nsyms: 3 stroff: 16488 strsize: 48 - cmd: LC_DYSYMTAB cmdsize: 80 ilocalsym: 0 nlocalsym: 0 iextdefsym: 0 nextdefsym: 2 iundefsym: 2 nundefsym: 1 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_LOAD_DYLINKER cmdsize: 32 name: 12 Content: '/usr/lib/dyld' ZeroPadBytes: 7 - cmd: LC_UUID cmdsize: 24 uuid: 42759668-1CBA-3094-8E2D-F01E1A66E815 - cmd: LC_BUILD_VERSION cmdsize: 32 platform: 1 minos: 720896 sdk: 721664 ntools: 1 Tools: - tool: 3 version: 42600704 - cmd: LC_SOURCE_VERSION cmdsize: 16 version: 0 - cmd: LC_MAIN cmdsize: 24 entryoff: 16288 stacksize: 0 - cmd: LC_LOAD_DYLIB cmdsize: 56 dylib: name: 24 timestamp: 2 current_version: 84698117 compatibility_version: 65536 Content: '/usr/lib/libSystem.B.dylib' ZeroPadBytes: 6 - cmd: LC_FUNCTION_STARTS cmdsize: 16 dataoff: 16432 datasize: 8 - cmd: LC_DATA_IN_CODE cmdsize: 16 dataoff: 16440 datasize: 0 - cmd: LC_CODE_SIGNATURE cmdsize: 16 dataoff: 16544 datasize: 280 LinkEditData: ExportTrie: TerminalSize: 0 NodeOffset: 0 Name: '' Flags: 0x0 Address: 0x0 Other: 0x0 ImportName: '' Children: - TerminalSize: 0 NodeOffset: 5 Name: _ Flags: 0x0 Address: 0x0 Other: 0x0 ImportName: '' Children: - TerminalSize: 2 NodeOffset: 33 Name: _mh_execute_header Flags: 0x0 Address: 0x0 Other: 0x0 ImportName: '' - TerminalSize: 3 NodeOffset: 37 Name: main Flags: 0x0 Address: 0x3FA0 Other: 0x0 ImportName: '' NameList: - n_strx: 2 n_type: 0xF n_sect: 1 n_desc: 16 n_value: 4294967296 - n_strx: 22 n_type: 0xF n_sect: 1 n_desc: 0 n_value: 4294983584 - n_strx: 28 n_type: 0x1 n_sect: 0 n_desc: 256 n_value: 0 StringTable: - ' ' - __mh_execute_header - _main - dyld_stub_binder - '' - '' - '' ...