| ## 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 |
| ... |