; RUN: rm -rf %t ; RUN: split-file %s %t ; RUN: yaml2obj %t/payload-extended.yaml -o %t/payload-extended.dylib ; RUN: llvm-objdump --macho --exports-trie %t/payload-extended.dylib 2>&1 | FileCheck %s ; CHECK: 0x00003FB0 _foo ; RUN: yaml2obj %t/payload-truncated.yaml -o %t/payload-truncated.dylib ; RUN: not llvm-objdump --macho --exports-trie %t/payload-truncated.dylib 2>&1 | FileCheck %s --check-prefix=WRONG_SIZE ; WRONG_SIZE: truncated or malformed object (inconsistent export info size: 0x2 where actual size was: 0x3 in export trie data at node: 0x8) # Yaml was manually crafted to have an export trie with a node entry # where it's payload is larger than the size needed to read it. ;--- payload-extended.yaml --- !mach-o FileHeader: magic: 0xFEEDFACF cputype: 0x100000C cpusubtype: 0x0 filetype: 0x6 ncmds: 13 sizeofcmds: 680 flags: 0x100085 reserved: 0x0 LoadCommands: - cmd: LC_SEGMENT_64 cmdsize: 232 segname: __TEXT vmaddr: 0 vmsize: 16384 fileoff: 0 filesize: 16384 maxprot: 5 initprot: 5 nsects: 2 flags: 0 Sections: - sectname: __text segname: __TEXT addr: 0x3FB0 size: 8 offset: 0x3FB0 align: 2 reloff: 0x0 nreloc: 0 flags: 0x80000400 reserved1: 0x0 reserved2: 0x0 reserved3: 0x0 content: 20008052C0035FD6 - sectname: __unwind_info segname: __TEXT addr: 0x3FB8 size: 72 offset: 0x3FB8 align: 2 reloff: 0x0 nreloc: 0 flags: 0x0 reserved1: 0x0 reserved2: 0x0 reserved3: 0x0 content: 010000001C000000000000001C000000000000001C00000002000000B03F00003400000034000000B93F00000000000034000000030000000C000100100001000000000000000002 - cmd: LC_SEGMENT_64 cmdsize: 72 segname: __LINKEDIT vmaddr: 16384 vmsize: 16384 fileoff: 16384 filesize: 361 maxprot: 1 initprot: 1 nsects: 0 flags: 0 - cmd: LC_ID_DYLIB cmdsize: 48 dylib: name: 24 timestamp: 1 current_version: 0 compatibility_version: 0 Content: '@rpath/libfoo.dylib' ZeroPadBytes: 5 - 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: 16 - cmd: LC_SYMTAB cmdsize: 24 symoff: 16408 nsyms: 2 stroff: 16440 strsize: 24 - cmd: LC_DYSYMTAB cmdsize: 80 ilocalsym: 0 nlocalsym: 0 iextdefsym: 0 nextdefsym: 1 iundefsym: 1 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_UUID cmdsize: 24 uuid: A2CF51D8-828B-3E0F-B8FA-0DF9C5D1C91A - cmd: LC_BUILD_VERSION cmdsize: 32 platform: 1 minos: 721664 sdk: 917504 ntools: 1 Tools: - tool: 3 version: 59441152 - cmd: LC_SOURCE_VERSION cmdsize: 16 version: 0 - cmd: LC_LOAD_DYLIB cmdsize: 56 dylib: name: 24 timestamp: 2 current_version: 87556096 compatibility_version: 65536 Content: '/usr/lib/libSystem.B.dylib' ZeroPadBytes: 6 - cmd: LC_FUNCTION_STARTS cmdsize: 16 dataoff: 16400 datasize: 8 - cmd: LC_DATA_IN_CODE cmdsize: 16 dataoff: 16408 datasize: 0 - cmd: LC_CODE_SIGNATURE cmdsize: 16 dataoff: 16464 datasize: 281 LinkEditData: ExportTrie: TerminalSize: 0 NodeOffset: 0 Name: '' Flags: 0x0 Address: 0x0 Other: 0x0 ImportName: '' Children: - TerminalSize: 4 NodeOffset: 8 Name: _foo Flags: 0x0 Address: 0x3FB0 Other: 0x0 ImportName: '' NameList: - n_strx: 2 n_type: 0xF n_sect: 1 n_desc: 0 n_value: 16304 - n_strx: 7 n_type: 0x1 n_sect: 0 n_desc: 256 n_value: 0 StringTable: - ' ' - _foo - dyld_stub_binder FunctionStarts: [ 0x3FB0 ] ... # Yaml was manually crafted to have an export trie with a node entry # where it's payload is smaller than the size needed to read it. ;--- payload-truncated.yaml --- !mach-o FileHeader: magic: 0xFEEDFACF cputype: 0x100000C cpusubtype: 0x0 filetype: 0x6 ncmds: 13 sizeofcmds: 680 flags: 0x100085 reserved: 0x0 LoadCommands: - cmd: LC_SEGMENT_64 cmdsize: 232 segname: __TEXT vmaddr: 0 vmsize: 16384 fileoff: 0 filesize: 16384 maxprot: 5 initprot: 5 nsects: 2 flags: 0 Sections: - sectname: __text segname: __TEXT addr: 0x3FB0 size: 8 offset: 0x3FB0 align: 2 reloff: 0x0 nreloc: 0 flags: 0x80000400 reserved1: 0x0 reserved2: 0x0 reserved3: 0x0 content: 20008052C0035FD6 - sectname: __unwind_info segname: __TEXT addr: 0x3FB8 size: 72 offset: 0x3FB8 align: 2 reloff: 0x0 nreloc: 0 flags: 0x0 reserved1: 0x0 reserved2: 0x0 reserved3: 0x0 content: 010000001C000000000000001C000000000000001C00000002000000B03F00003400000034000000B93F00000000000034000000030000000C000100100001000000000000000002 - cmd: LC_SEGMENT_64 cmdsize: 72 segname: __LINKEDIT vmaddr: 16384 vmsize: 16384 fileoff: 16384 filesize: 361 maxprot: 1 initprot: 1 nsects: 0 flags: 0 - cmd: LC_ID_DYLIB cmdsize: 48 dylib: name: 24 timestamp: 1 current_version: 0 compatibility_version: 0 Content: '@rpath/libfoo.dylib' ZeroPadBytes: 5 - 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: 16 - cmd: LC_SYMTAB cmdsize: 24 symoff: 16408 nsyms: 2 stroff: 16440 strsize: 24 - cmd: LC_DYSYMTAB cmdsize: 80 ilocalsym: 0 nlocalsym: 0 iextdefsym: 0 nextdefsym: 1 iundefsym: 1 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_UUID cmdsize: 24 uuid: A2CF51D8-828B-3E0F-B8FA-0DF9C5D1C91A - cmd: LC_BUILD_VERSION cmdsize: 32 platform: 1 minos: 721664 sdk: 917504 ntools: 1 Tools: - tool: 3 version: 59441152 - cmd: LC_SOURCE_VERSION cmdsize: 16 version: 0 - cmd: LC_LOAD_DYLIB cmdsize: 56 dylib: name: 24 timestamp: 2 current_version: 87556096 compatibility_version: 65536 Content: '/usr/lib/libSystem.B.dylib' ZeroPadBytes: 6 - cmd: LC_FUNCTION_STARTS cmdsize: 16 dataoff: 16400 datasize: 8 - cmd: LC_DATA_IN_CODE cmdsize: 16 dataoff: 16408 datasize: 0 - cmd: LC_CODE_SIGNATURE cmdsize: 16 dataoff: 16464 datasize: 281 LinkEditData: ExportTrie: TerminalSize: 0 NodeOffset: 0 Name: '' Flags: 0x0 Address: 0x0 Other: 0x0 ImportName: '' Children: - TerminalSize: 2 NodeOffset: 8 Name: _foo Flags: 0x0 Address: 0x3FB0 Other: 0x0 ImportName: '' NameList: - n_strx: 2 n_type: 0xF n_sect: 1 n_desc: 0 n_value: 16304 - n_strx: 7 n_type: 0x1 n_sect: 0 n_desc: 256 n_value: 0 StringTable: - ' ' - _foo - dyld_stub_binder FunctionStarts: [ 0x3FB0 ] ...