## This test verifies that the linkedit segment is ## laid out in the right order. # RUN: yaml2obj %s -o %t.original # RUN: llvm-objcopy %t.original %t.copy # RUN: obj2yaml %t.copy > %t.yaml ## Print the results several times in order to capture the linkedit offsets ## in the order they are needed, but still following the order of the load ## commands where they appear. # RUN: cat %t.yaml %t.yaml %t.yaml | FileCheck %s # CHECK: cmd: LC_SEGMENT_64 # CHECK: segname: __LINKEDIT # CHECK: fileoff: [[#LINKEDIT_FILEOFF:]] # CHECK: filesize: [[#LINKEDIT_FILESIZE:]] # CHECK: cmd: LC_DYLD_INFO_ONLY # CHECK: rebase_off: [[#REBASE_OFF: LINKEDIT_FILEOFF]] # CHECK: rebase_size: [[#REBASE_SIZE:]] # CHECK: bind_off: [[#BIND_OFF: REBASE_OFF + REBASE_SIZE]] # CHECK: bind_size: [[#BIND_SIZE:]] # CHECK: weak_bind_off: [[#WEAK_BIND_OFF: BIND_OFF + BIND_SIZE]] # CHECK: weak_bind_size: [[#WEAK_BIND_SIZE:]] # CHECK: lazy_bind_off: [[#LAZY_BIND_OFF: WEAK_BIND_OFF + WEAK_BIND_SIZE]] # CHECK: lazy_bind_size: [[#LAZY_BIND_SIZE:]] # CHECK: export_off: [[#EXPORTS_OFF:LAZY_BIND_OFF + LAZY_BIND_SIZE]] # CHECK: export_size: [[#EXPORTS_SIZE:]] # CHECK: cmd: LC_FUNCTION_STARTS # CHECK: dataoff: [[#FUNCTION_STARTS_FILEOFF: EXPORTS_OFF + EXPORTS_SIZE]] # CHECK: datasize: [[#FUNCTION_STARTS_FILESIZE:]] # CHECK: cmd: LC_DATA_IN_CODE # CHECK: dataoff: [[#DATA_IN_CODE_FILEOFF: FUNCTION_STARTS_FILEOFF + FUNCTION_STARTS_FILESIZE]] # CHECK: datasize: [[#DATA_IN_CODE_FILESIZE:]] ## Jump over LC_CODE_SIGNATURE, which needs to be checked last # CHECK: --- !mach-o # CHECK: cmd: LC_SYMTAB # CHECK: symoff: [[#SYMTAB_SYMOFF: DATA_IN_CODE_FILEOFF + DATA_IN_CODE_FILESIZE]] # CHECK: nsyms: [[#SYMTAB_NSYMS:]] ## Skip over the strings table offset/size (part of LC_SYMTAB) until next loop. # CHECK: cmd: LC_DYSYMTAB # CHECK: indirectsymoff: [[#DYSYMTAB_INDIRECTSYMOFF: SYMTAB_SYMOFF + mul(SYMTAB_NSYMS, 16)]] # CHECK: nindirectsyms: [[#DYSYMTAB_NINDIRECTSYMS:]] # CHECK: --- !mach-o # CHECK: cmd: LC_SYMTAB # CHECK: stroff: [[#SYMTAB_STROFF: DYSYMTAB_INDIRECTSYMOFF + mul(DYSYMTAB_NINDIRECTSYMS, 4)]] # CHECK: strsize: [[#SYMTAB_STRSIZE:]] # CHECK: cmd: LC_CODE_SIGNATURE ## LC_CODE_SIGNATURE needs to be aligned to 16 bytes boundaries. # CHECK: dataoff: [[#CODE_SIGNATURE_FILEOFF: mul(div(SYMTAB_STROFF + SYMTAB_STRSIZE + 8, 16), 16)]] # CHECK: datasize: [[#CODE_SIGNATURE_FILESIZE:LINKEDIT_FILEOFF + LINKEDIT_FILESIZE - CODE_SIGNATURE_FILEOFF]] --- !mach-o FileHeader: magic: 0xFEEDFACF cputype: 0x1000007 cpusubtype: 0x3 filetype: 0x2 ncmds: 18 sizeofcmds: 1352 flags: 0x210085 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: 392 segname: __TEXT vmaddr: 4294967296 vmsize: 16384 fileoff: 0 filesize: 16384 maxprot: 5 initprot: 5 nsects: 4 flags: 0 Sections: - sectname: __text segname: __TEXT addr: 0x100003F80 size: 16 offset: 0x3F80 align: 2 reloff: 0x0 nreloc: 0 flags: 0x80000400 reserved1: 0x0 reserved2: 0x0 reserved3: 0x0 content: E80B000000E80C000000C39000000000 - sectname: __stubs segname: __TEXT addr: 0x100003F90 size: 12 offset: 0x3F90 align: 1 reloff: 0x0 nreloc: 0 flags: 0x80000408 reserved1: 0x0 reserved2: 0x6 reserved3: 0x0 content: FF256A400000FF256C400000 - sectname: __stub_helper segname: __TEXT addr: 0x100003F9C size: 26 offset: 0x3F9C align: 2 reloff: 0x0 nreloc: 0 flags: 0x80000400 reserved1: 0x0 reserved2: 0x0 reserved3: 0x0 content: 4C8D1D6D4000004153FF2555000000906800000000E9E6FFFFFF - sectname: __unwind_info segname: __TEXT addr: 0x100003FB8 size: 72 offset: 0x3FB8 align: 2 reloff: 0x0 nreloc: 0 flags: 0x0 reserved1: 0x0 reserved2: 0x0 reserved3: 0x0 content: 010000001C000000000000001C000000000000001C00000002000000803F00003400000034000000913F00000000000034000000030000000C000100100001000000000000000000 - cmd: LC_SEGMENT_64 cmdsize: 152 segname: __DATA_CONST vmaddr: 4294983680 vmsize: 16384 fileoff: 16384 filesize: 16384 maxprot: 3 initprot: 3 nsects: 1 flags: 16 Sections: - sectname: __got segname: __DATA_CONST addr: 0x100004000 size: 8 offset: 0x4000 align: 3 reloff: 0x0 nreloc: 0 flags: 0x6 reserved1: 0x2 reserved2: 0x0 reserved3: 0x0 content: '0000000000000000' - cmd: LC_SEGMENT_64 cmdsize: 232 segname: __DATA vmaddr: 4295000064 vmsize: 16384 fileoff: 32768 filesize: 16384 maxprot: 3 initprot: 3 nsects: 2 flags: 0 Sections: - sectname: __la_symbol_ptr segname: __DATA addr: 0x100008000 size: 16 offset: 0x8000 align: 3 reloff: 0x0 nreloc: 0 flags: 0x7 reserved1: 0x3 reserved2: 0x0 reserved3: 0x0 content: AC3F0000010000000000000000000000 - sectname: __data segname: __DATA addr: 0x100008010 size: 8 offset: 0x8010 align: 3 reloff: 0x0 nreloc: 0 flags: 0x0 reserved1: 0x0 reserved2: 0x0 reserved3: 0x0 content: '0000000000000000' - cmd: LC_SEGMENT_64 cmdsize: 72 segname: __LINKEDIT vmaddr: 4295016448 vmsize: 16384 fileoff: 49152 filesize: 920 maxprot: 1 initprot: 1 nsects: 0 flags: 0 - cmd: LC_DYLD_INFO_ONLY cmdsize: 48 rebase_off: 49152 rebase_size: 8 bind_off: 49160 bind_size: 56 weak_bind_off: 49216 weak_bind_size: 32 lazy_bind_off: 49248 lazy_bind_size: 16 export_off: 49264 export_size: 48 - cmd: LC_SYMTAB cmdsize: 24 symoff: 49328 nsyms: 6 stroff: 49448 strsize: 80 - cmd: LC_DYSYMTAB cmdsize: 80 ilocalsym: 0 nlocalsym: 1 iextdefsym: 1 nextdefsym: 2 iundefsym: 3 nundefsym: 3 tocoff: 0 ntoc: 0 modtaboff: 0 nmodtab: 0 extrefsymoff: 0 nextrefsyms: 0 indirectsymoff: 49424 nindirectsyms: 5 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: D565F8BE-1140-391A-BD6E-9CED386430F2 - cmd: LC_BUILD_VERSION cmdsize: 32 platform: 1 minos: 786432 sdk: 787200 ntools: 1 Tools: - tool: 3 version: 50069504 - cmd: LC_SOURCE_VERSION cmdsize: 16 version: 0 - cmd: LC_MAIN cmdsize: 24 entryoff: 16256 stacksize: 0 - cmd: LC_LOAD_DYLIB cmdsize: 48 dylib: name: 24 timestamp: 2 current_version: 0 compatibility_version: 0 Content: libFoo-classic.dylib ZeroPadBytes: 4 - cmd: LC_LOAD_DYLIB cmdsize: 56 dylib: name: 24 timestamp: 2 current_version: 85943299 compatibility_version: 65536 Content: '/usr/lib/libSystem.B.dylib' ZeroPadBytes: 6 - cmd: LC_FUNCTION_STARTS cmdsize: 16 dataoff: 49312 datasize: 8 - cmd: LC_DATA_IN_CODE cmdsize: 16 dataoff: 49320 datasize: 8 - cmd: LC_CODE_SIGNATURE cmdsize: 16 dataoff: 49536 datasize: 536 LinkEditData: RebaseOpcodes: - Opcode: REBASE_OPCODE_SET_TYPE_IMM Imm: 1 - Opcode: REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB Imm: 3 ExtraData: [ 0x0 ] - Opcode: REBASE_OPCODE_DO_REBASE_IMM_TIMES Imm: 1 - Opcode: REBASE_OPCODE_DONE Imm: 0 BindOpcodes: - Opcode: BIND_OPCODE_SET_DYLIB_ORDINAL_IMM Imm: 1 Symbol: '' - Opcode: BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM Imm: 0 Symbol: _weak_foo - Opcode: BIND_OPCODE_SET_TYPE_IMM Imm: 1 Symbol: '' - Opcode: BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB Imm: 3 ULEBExtraData: [ 0x8 ] Symbol: '' - Opcode: BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB Imm: 0 ULEBExtraData: [ 0xFFFFFFFFFFFFFFF8 ] Symbol: '' - Opcode: BIND_OPCODE_DO_BIND Imm: 0 Symbol: '' - Opcode: BIND_OPCODE_SET_DYLIB_ORDINAL_IMM Imm: 2 Symbol: '' - Opcode: BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM Imm: 0 Symbol: dyld_stub_binder - Opcode: BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB Imm: 2 ULEBExtraData: [ 0x0 ] Symbol: '' - Opcode: BIND_OPCODE_DO_BIND Imm: 0 Symbol: '' - Opcode: BIND_OPCODE_DONE Imm: 0 Symbol: '' WeakBindOpcodes: - Opcode: BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM Imm: 0 Symbol: _weak_foo - Opcode: BIND_OPCODE_SET_TYPE_IMM Imm: 1 Symbol: '' - Opcode: BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB Imm: 3 ULEBExtraData: [ 0x8 ] Symbol: '' - Opcode: BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB Imm: 0 ULEBExtraData: [ 0xFFFFFFFFFFFFFFF8 ] Symbol: '' - Opcode: BIND_OPCODE_DO_BIND Imm: 0 Symbol: '' - Opcode: BIND_OPCODE_DONE Imm: 0 Symbol: '' LazyBindOpcodes: - Opcode: BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB Imm: 3 ULEBExtraData: [ 0x0 ] Symbol: '' - Opcode: BIND_OPCODE_SET_DYLIB_ORDINAL_IMM Imm: 1 Symbol: '' - Opcode: BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM Imm: 0 Symbol: _foo - Opcode: BIND_OPCODE_DO_BIND Imm: 0 Symbol: '' - Opcode: BIND_OPCODE_DONE Imm: 0 Symbol: '' - Opcode: BIND_OPCODE_DONE Imm: 0 Symbol: '' - Opcode: BIND_OPCODE_DONE Imm: 0 Symbol: '' - Opcode: BIND_OPCODE_DONE Imm: 0 Symbol: '' - Opcode: BIND_OPCODE_DONE Imm: 0 Symbol: '' - Opcode: BIND_OPCODE_DONE Imm: 0 Symbol: '' 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: 0x3F80 Other: 0x0 ImportName: '' NameList: - n_strx: 60 n_type: 0xE n_sect: 7 n_desc: 0 n_value: 4295000080 - 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: 4294983552 - n_strx: 28 n_type: 0x1 n_sect: 0 n_desc: 256 n_value: 0 - n_strx: 33 n_type: 0x1 n_sect: 0 n_desc: 384 n_value: 0 - n_strx: 43 n_type: 0x1 n_sect: 0 n_desc: 512 n_value: 0 StringTable: - ' ' - __mh_execute_header - _main - _foo - _weak_foo - dyld_stub_binder - __dyld_private - '' - '' - '' - '' - '' IndirectSymbols: [ 0x3, 0x4, 0x5, 0x3, 0x4 ] FunctionStarts: [ 0x3F80 ] DataInCode: - Offset: 0x3F8C Length: 4 Kind: 0x4 ...