| ## 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_CHAINED_FIXUPS |
| # CHECK: dataoff: [[#CHAINED_FIXUPS_FILEOFF: LINKEDIT_FILEOFF]] |
| # CHECK: datasize: [[#CHAINED_FIXUPS_FILESIZE:]] |
| |
| # CHECK: cmd: LC_DYLD_EXPORTS_TRIE |
| # CHECK: dataoff: [[#DYLD_EXPORTS_TRIE_FILEOFF: CHAINED_FIXUPS_FILEOFF + CHAINED_FIXUPS_FILESIZE]] |
| # CHECK: datasize: [[#DYLD_EXPORTS_TRIE_FILESIZE:]] |
| |
| ## Jump over LC_SYMTAB and LC_DYSYMTAB, which will be checked during |
| ## later. |
| |
| # CHECK: cmd: LC_FUNCTION_STARTS |
| # CHECK: dataoff: [[#FUNCTION_STARTS_FILEOFF: DYLD_EXPORTS_TRIE_FILEOFF + DYLD_EXPORTS_TRIE_FILESIZE]] |
| # 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: 1032 |
| 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: 312 |
| segname: __TEXT |
| vmaddr: 4294967296 |
| vmsize: 16384 |
| fileoff: 0 |
| filesize: 16384 |
| maxprot: 5 |
| initprot: 5 |
| nsects: 3 |
| flags: 0 |
| Sections: |
| - sectname: __text |
| segname: __TEXT |
| addr: 0x100003F9C |
| size: 16 |
| offset: 0x3F9C |
| align: 2 |
| reloff: 0x0 |
| nreloc: 0 |
| flags: 0x80000400 |
| reserved1: 0x0 |
| reserved2: 0x0 |
| reserved3: 0x0 |
| content: E80B000000E80C000000C39000000000 |
| - sectname: __stubs |
| segname: __TEXT |
| addr: 0x100003FAC |
| size: 12 |
| offset: 0x3FAC |
| align: 1 |
| reloff: 0x0 |
| nreloc: 0 |
| flags: 0x80000408 |
| reserved1: 0x0 |
| reserved2: 0x6 |
| reserved3: 0x0 |
| content: FF254E000000FF2550000000 |
| - 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: 010000001C000000000000001C000000000000001C000000020000009C3F00003400000034000000AD3F00000000000034000000030000000C000100100001000000000000000000 |
| - 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: 16 |
| offset: 0x4000 |
| align: 3 |
| reloff: 0x0 |
| nreloc: 0 |
| flags: 0x6 |
| reserved1: 0x2 |
| reserved2: 0x0 |
| reserved3: 0x0 |
| content: '00000000000010800100000000000080' |
| - cmd: LC_SEGMENT_64 |
| cmdsize: 72 |
| segname: __LINKEDIT |
| vmaddr: 4295000064 |
| vmsize: 16384 |
| fileoff: 32768 |
| filesize: 719 |
| maxprot: 1 |
| initprot: 1 |
| nsects: 0 |
| flags: 0 |
| - cmd: LC_DYLD_CHAINED_FIXUPS |
| cmdsize: 16 |
| dataoff: 32768 |
| datasize: 104 |
| - cmd: LC_DYLD_EXPORTS_TRIE |
| cmdsize: 16 |
| dataoff: 32872 |
| datasize: 48 |
| - cmd: LC_SYMTAB |
| cmdsize: 24 |
| symoff: 32936 |
| nsyms: 4 |
| stroff: 33016 |
| strsize: 48 |
| - cmd: LC_DYSYMTAB |
| cmdsize: 80 |
| ilocalsym: 0 |
| nlocalsym: 0 |
| iextdefsym: 0 |
| nextdefsym: 2 |
| iundefsym: 2 |
| nundefsym: 2 |
| tocoff: 0 |
| ntoc: 0 |
| modtaboff: 0 |
| nmodtab: 0 |
| extrefsymoff: 0 |
| nextrefsyms: 0 |
| indirectsymoff: 33000 |
| nindirectsyms: 4 |
| 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: F74FD957-51B1-3D8E-AE70-D8A248BB5D93 |
| - 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: 16284 |
| stacksize: 0 |
| - cmd: LC_LOAD_DYLIB |
| cmdsize: 56 |
| dylib: |
| name: 24 |
| timestamp: 2 |
| current_version: 0 |
| compatibility_version: 0 |
| Content: libFoo-chained-fixups.dylib |
| ZeroPadBytes: 5 |
| - 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: 32920 |
| datasize: 8 |
| - cmd: LC_DATA_IN_CODE |
| cmdsize: 16 |
| dataoff: 32928 |
| datasize: 8 |
| - cmd: LC_CODE_SIGNATURE |
| cmdsize: 16 |
| dataoff: 33072 |
| datasize: 415 |
| 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: 0x3F9C |
| 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: 4294983580 |
| - 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 |
| StringTable: |
| - ' ' |
| - __mh_execute_header |
| - _main |
| - _foo |
| - _weak_foo |
| - '' |
| - '' |
| - '' |
| - '' |
| - '' |
| IndirectSymbols: [ 0x2, 0x3, 0x2, 0x3 ] |
| FunctionStarts: [ 0x3F9C ] |
| ChainedFixups: [ 0x0, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x50, 0x0, |
| 0x0, 0x0, 0x58, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, |
| 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, |
| 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, |
| 0x0, 0x0, 0x0, 0x0, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, |
| 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18, 0x0, 0x0, 0x0, |
| 0x0, 0x10, 0x6, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x0, |
| 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, |
| 0x1, 0x2, 0x0, 0x0, 0xFD, 0xC, 0x0, 0x0, 0x0, 0x5F, |
| 0x66, 0x6F, 0x6F, 0x0, 0x5F, 0x77, 0x65, 0x61, 0x6B, |
| 0x5F, 0x66, 0x6F, 0x6F, 0x0 ] |
| DataInCode: |
| - Offset: 0x3FA8 |
| Length: 4 |
| Kind: 0x4 |
| ... |
