From e479df2161cd4c282de294b88cbc47ab87fe7d76 Mon Sep 17 00:00:00 2001 From: Kevin Enderby Date: Wed, 17 Dec 2014 01:01:30 +0000 Subject: [PATCH] =?utf8?q?Add=20printing=20the=20LC=5FENCRYPTION=5FINFO=5F?= =?utf8?q?64=20load=20command=20with=20llvm-objdump=E2=80=99s=20-private-h?= =?utf8?q?eaders=20and=20add=20tests=20for=20the=20two=20AArch64=20binarie?= =?utf8?q?s.?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224400 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Object/MachO.h | 2 + include/llvm/Support/MachO.h | 20 +- lib/Object/MachOObjectFile.cpp | 5 + .../AArch64/macho-private-headers.test | 312 ++++++++++++++++++ tools/llvm-objdump/MachODump.cpp | 27 +- 5 files changed, 364 insertions(+), 2 deletions(-) create mode 100644 test/tools/llvm-objdump/AArch64/macho-private-headers.test diff --git a/include/llvm/Object/MachO.h b/include/llvm/Object/MachO.h index 9f91abf83ca..56a275da3c8 100644 --- a/include/llvm/Object/MachO.h +++ b/include/llvm/Object/MachO.h @@ -366,6 +366,8 @@ public: getEntryPointCommand(const LoadCommandInfo &L) const; MachO::encryption_info_command getEncryptionInfoCommand(const LoadCommandInfo &L) const; + MachO::encryption_info_command_64 + getEncryptionInfoCommand64(const LoadCommandInfo &L) const; MachO::any_relocation_info getRelocation(DataRefImpl Rel) const; MachO::data_in_code_entry getDice(DataRefImpl Rel) const; diff --git a/include/llvm/Support/MachO.h b/include/llvm/Support/MachO.h index 00f2bd92aa4..2ccf8243687 100644 --- a/include/llvm/Support/MachO.h +++ b/include/llvm/Support/MachO.h @@ -130,7 +130,7 @@ namespace llvm { LC_DATA_IN_CODE = 0x00000029u, LC_SOURCE_VERSION = 0x0000002Au, LC_DYLIB_CODE_SIGN_DRS = 0x0000002Bu, - // 0x0000002Cu, + LC_ENCRYPTION_INFO_64 = 0x0000002Cu, LC_LINKER_OPTIONS = 0x0000002Du, LC_LINKER_OPTIMIZATION_HINT = 0x0000002Eu }; @@ -842,6 +842,15 @@ namespace llvm { uint32_t cryptid; }; + struct encryption_info_command_64 { + uint32_t cmd; + uint32_t cmdsize; + uint32_t cryptoff; + uint32_t cryptsize; + uint32_t cryptid; + uint32_t pad; + }; + struct version_min_command { uint32_t cmd; // LC_VERSION_MIN_MACOSX or // LC_VERSION_MIN_IPHONEOS @@ -1136,6 +1145,15 @@ namespace llvm { sys::swapByteOrder(e.cryptid); } + inline void swapStruct(encryption_info_command_64 &e) { + sys::swapByteOrder(e.cmd); + sys::swapByteOrder(e.cmdsize); + sys::swapByteOrder(e.cryptoff); + sys::swapByteOrder(e.cryptsize); + sys::swapByteOrder(e.cryptid); + sys::swapByteOrder(e.pad); + } + inline void swapStruct(dysymtab_command &dst) { sys::swapByteOrder(dst.cmd); sys::swapByteOrder(dst.cmdsize); diff --git a/lib/Object/MachOObjectFile.cpp b/lib/Object/MachOObjectFile.cpp index 86b640fba47..0e96bc7ff72 100644 --- a/lib/Object/MachOObjectFile.cpp +++ b/lib/Object/MachOObjectFile.cpp @@ -2304,6 +2304,11 @@ MachOObjectFile::getEncryptionInfoCommand(const LoadCommandInfo &L) const { return getStruct(this, L.Ptr); } +MachO::encryption_info_command_64 +MachOObjectFile::getEncryptionInfoCommand64(const LoadCommandInfo &L) const { + return getStruct(this, L.Ptr); +} + MachO::any_relocation_info MachOObjectFile::getRelocation(DataRefImpl Rel) const { diff --git a/test/tools/llvm-objdump/AArch64/macho-private-headers.test b/test/tools/llvm-objdump/AArch64/macho-private-headers.test new file mode 100644 index 00000000000..cdf98b14516 --- /dev/null +++ b/test/tools/llvm-objdump/AArch64/macho-private-headers.test @@ -0,0 +1,312 @@ +// RUN: llvm-objdump -p %p/Inputs/hello.obj.macho-aarch64 | FileCheck %s +// RUN: llvm-objdump -p %p/Inputs/hello.exe.macho-aarch64 \ +// RUN: | FileCheck %s -check-prefix=EXE + +CHECK: Mach header +CHECK: magic cputype cpusubtype caps filetype ncmds sizeofcmds flags +CHECK: MH_MAGIC_64 ARM64 ALL 0x00 OBJECT 4 352 SUBSECTIONS_VIA_SYMBOLS +CHECK: Load command 0 +CHECK: cmd LC_SEGMENT_64 +CHECK: cmdsize 232 +CHECK: segname +CHECK: vmaddr 0x0000000000000000 +CHECK: vmsize 0x000000000000004d +CHECK: fileoff 384 +CHECK: filesize 77 +CHECK: maxprot rwx +CHECK: initprot rwx +CHECK: nsects 2 +CHECK: flags (none) +CHECK: Section +CHECK: sectname __text +CHECK: segname __TEXT +CHECK: addr 0x0000000000000000 +CHECK: size 0x0000000000000040 +CHECK: offset 384 +CHECK: align 2^2 (4) +CHECK: reloff 464 +CHECK: nreloc 3 +CHECK: type S_REGULAR +CHECK: attributes PURE_INSTRUCTIONS SOME_INSTRUCTIONS +CHECK: reserved1 0 +CHECK: reserved2 0 +CHECK: Section +CHECK: sectname __cstring +CHECK: segname __TEXT +CHECK: addr 0x0000000000000040 +CHECK: size 0x000000000000000d +CHECK: offset 448 +CHECK: align 2^0 (1) +CHECK: reloff 0 +CHECK: nreloc 0 +CHECK: type S_CSTRING_LITERALS +CHECK: attributes (none) +CHECK: reserved1 0 +CHECK: reserved2 0 +CHECK: Load command 1 +CHECK: cmd LC_VERSION_MIN_IPHONEOS +CHECK: cmdsize 16 +CHECK: version 9.0 +CHECK: sdk n/a +CHECK: Load command 2 +CHECK: cmd LC_SYMTAB +CHECK: cmdsize 24 +CHECK: symoff 488 +CHECK: nsyms 5 +CHECK: stroff 568 +CHECK: strsize 36 +CHECK: Load command 3 +CHECK: cmd LC_DYSYMTAB +CHECK: cmdsize 80 +CHECK: ilocalsym 0 +CHECK: nlocalsym 3 +CHECK: iextdefsym 3 +CHECK: nextdefsym 1 +CHECK: iundefsym 4 +CHECK: nundefsym 1 +CHECK: tocoff 0 +CHECK: ntoc 0 +CHECK: modtaboff 0 +CHECK: nmodtab 0 +CHECK: extrefsymoff 0 +CHECK: nextrefsyms 0 +CHECK: indirectsymoff 0 +CHECK: nindirectsyms 0 +CHECK: extreloff 0 +CHECK: nextrel 0 +CHECK: locreloff 0 +CHECK: nlocrel 0 + +EXE: Mach header +EXE: magic cputype cpusubtype caps filetype ncmds sizeofcmds flags +EXE: MH_MAGIC_64 ARM64 ALL 0x00 EXECUTE 17 1240 NOUNDEFS DYLDLINK TWOLEVEL PIE +EXE: Load command 0 +EXE: cmd LC_SEGMENT_64 +EXE: cmdsize 72 +EXE: segname __PAGEZERO +EXE: vmaddr 0x0000000000000000 +EXE: vmsize 0x0000000100000000 +EXE: fileoff 0 +EXE: filesize 0 +EXE: maxprot --- +EXE: initprot --- +EXE: nsects 0 +EXE: flags (none) +EXE: Load command 1 +EXE: cmd LC_SEGMENT_64 +EXE: cmdsize 472 +EXE: segname __TEXT +EXE: vmaddr 0x0000000100000000 +EXE: vmsize 0x0000000000008000 +EXE: fileoff 0 +EXE: filesize 32768 +EXE: maxprot r-x +EXE: initprot r-x +EXE: nsects 5 +EXE: flags (none) +EXE: Section +EXE: sectname __text +EXE: segname __TEXT +EXE: addr 0x0000000100007f38 +EXE: size 0x0000000000000040 +EXE: offset 32568 +EXE: align 2^2 (4) +EXE: reloff 0 +EXE: nreloc 0 +EXE: type S_REGULAR +EXE: attributes PURE_INSTRUCTIONS SOME_INSTRUCTIONS +EXE: reserved1 0 +EXE: reserved2 0 +EXE: Section +EXE: sectname __stubs +EXE: segname __TEXT +EXE: addr 0x0000000100007f78 +EXE: size 0x000000000000000c +EXE: offset 32632 +EXE: align 2^1 (2) +EXE: reloff 0 +EXE: nreloc 0 +EXE: type S_SYMBOL_STUBS +EXE: attributes PURE_INSTRUCTIONS SOME_INSTRUCTIONS +EXE: reserved1 0 (index into indirect symbol table) +EXE: reserved2 12 (size of stubs) +EXE: Section +EXE: sectname __stub_helper +EXE: segname __TEXT +EXE: addr 0x0000000100007f84 +EXE: size 0x0000000000000024 +EXE: offset 32644 +EXE: align 2^2 (4) +EXE: reloff 0 +EXE: nreloc 0 +EXE: type S_REGULAR +EXE: attributes PURE_INSTRUCTIONS SOME_INSTRUCTIONS +EXE: reserved1 0 +EXE: reserved2 0 +EXE: Section +EXE: sectname __cstring +EXE: segname __TEXT +EXE: addr 0x0000000100007fa8 +EXE: size 0x000000000000000d +EXE: offset 32680 +EXE: align 2^0 (1) +EXE: reloff 0 +EXE: nreloc 0 +EXE: type S_CSTRING_LITERALS +EXE: attributes (none) +EXE: reserved1 0 +EXE: reserved2 0 +EXE: Section +EXE: sectname __unwind_info +EXE: segname __TEXT +EXE: addr 0x0000000100007fb8 +EXE: size 0x0000000000000048 +EXE: offset 32696 +EXE: align 2^2 (4) +EXE: reloff 0 +EXE: nreloc 0 +EXE: type S_REGULAR +EXE: attributes (none) +EXE: reserved1 0 +EXE: reserved2 0 +EXE: Load command 2 +EXE: cmd LC_SEGMENT_64 +EXE: cmdsize 232 +EXE: segname __DATA +EXE: vmaddr 0x0000000100008000 +EXE: vmsize 0x0000000000004000 +EXE: fileoff 32768 +EXE: filesize 16384 +EXE: maxprot rw- +EXE: initprot rw- +EXE: nsects 2 +EXE: flags (none) +EXE: Section +EXE: sectname __got +EXE: segname __DATA +EXE: addr 0x0000000100008000 +EXE: size 0x0000000000000010 +EXE: offset 32768 +EXE: align 2^3 (8) +EXE: reloff 0 +EXE: nreloc 0 +EXE: type S_NON_LAZY_SYMBOL_POINTERS +EXE: attributes (none) +EXE: reserved1 1 (index into indirect symbol table) +EXE: reserved2 0 +EXE: Section +EXE: sectname __la_symbol_ptr +EXE: segname __DATA +EXE: addr 0x0000000100008010 +EXE: size 0x0000000000000008 +EXE: offset 32784 +EXE: align 2^3 (8) +EXE: reloff 0 +EXE: nreloc 0 +EXE: type S_LAZY_SYMBOL_POINTERS +EXE: attributes (none) +EXE: reserved1 3 (index into indirect symbol table) +EXE: reserved2 0 +EXE: Load command 3 +EXE: cmd LC_SEGMENT_64 +EXE: cmdsize 72 +EXE: segname __LINKEDIT +EXE: vmaddr 0x000000010000c000 +EXE: vmsize 0x0000000000004000 +EXE: fileoff 49152 +EXE: filesize 264 +EXE: maxprot r-- +EXE: initprot r-- +EXE: nsects 0 +EXE: flags (none) +EXE: Load command 4 +EXE: cmd LC_DYLD_INFO_ONLY +EXE: cmdsize 48 +EXE: rebase_off 49152 +EXE: rebase_size 8 +EXE: bind_off 49160 +EXE: bind_size 24 +EXE: weak_bind_off 0 +EXE: weak_bind_size 0 +EXE: lazy_bind_off 49184 +EXE: lazy_bind_size 16 +EXE: export_off 49200 +EXE: export_size 48 +EXE: Load command 5 +EXE: cmd LC_SYMTAB +EXE: cmdsize 24 +EXE: symoff 49280 +EXE: nsyms 4 +EXE: stroff 49360 +EXE: strsize 56 +EXE: Load command 6 +EXE: cmd LC_DYSYMTAB +EXE: cmdsize 80 +EXE: ilocalsym 0 +EXE: nlocalsym 0 +EXE: iextdefsym 0 +EXE: nextdefsym 2 +EXE: iundefsym 2 +EXE: nundefsym 2 +EXE: tocoff 0 +EXE: ntoc 0 +EXE: modtaboff 0 +EXE: nmodtab 0 +EXE: extrefsymoff 0 +EXE: nextrefsyms 0 +EXE: indirectsymoff 49344 +EXE: nindirectsyms 4 +EXE: extreloff 0 +EXE: nextrel 0 +EXE: locreloff 0 +EXE: nlocrel 0 +EXE: Load command 7 +EXE: cmd LC_LOAD_DYLINKER +EXE: cmdsize 32 +EXE: name /usr/lib/dyld (offset 12) +EXE: Load command 8 +EXE: cmd LC_UUID +EXE: cmdsize 24 +EXE: uuid D687F888-CD3F-3276-8C94-BA3CCA21D820 +EXE: Load command 9 +EXE: cmd LC_VERSION_MIN_IPHONEOS +EXE: cmdsize 16 +EXE: version 9.0 +EXE: sdk 9.0 +EXE: Load command 10 +EXE: cmd LC_SOURCE_VERSION +EXE: cmdsize 16 +EXE: version 0.0 +EXE: Load command 11 +EXE: cmd LC_MAIN +EXE: cmdsize 24 +EXE: entryoff 32568 +EXE: stacksize 0 +EXE: Load command 12 +EXE: cmd LC_ENCRYPTION_INFO_64 +EXE: cmdsize 24 +EXE: cryptoff 16384 +EXE: cryptsize 16384 +EXE: cryptid 0 +EXE: pad 0 +EXE: Load command 13 +EXE: cmd LC_LOAD_DYLIB +EXE: cmdsize 56 +EXE: name /usr/lib/libSystem.B.dylib (offset 24) +EXE: current version 1215.0.0 +EXE: compatibility version 1.0.0 +EXE: Load command 14 +EXE: cmd LC_FUNCTION_STARTS +EXE: cmdsize 16 +EXE: dataoff 49248 +EXE: datasize 8 +EXE: Load command 15 +EXE: cmd LC_DATA_IN_CODE +EXE: cmdsize 16 +EXE: dataoff 49256 +EXE: datasize 0 +EXE: Load command 16 +EXE: cmd LC_DYLIB_CODE_SIGN_DRS +EXE: cmdsize 16 +EXE: dataoff 49256 +EXE: datasize 24 diff --git a/tools/llvm-objdump/MachODump.cpp b/tools/llvm-objdump/MachODump.cpp index 58c3ae70bf2..580b0368e6a 100644 --- a/tools/llvm-objdump/MachODump.cpp +++ b/tools/llvm-objdump/MachODump.cpp @@ -3558,7 +3558,7 @@ static void PrintVersionMinLoadCommand(MachO::version_min_command vd) { outs() << "." << (vd.version & 0xff); outs() << "\n"; if (vd.sdk == 0) - outs() << " sdk n/a\n"; + outs() << " sdk n/a"; else { outs() << " sdk " << ((vd.sdk >> 16) & 0xffff) << "." << ((vd.sdk >> 8) & 0xff); @@ -3622,6 +3622,28 @@ static void PrintEncryptionInfoCommand(MachO::encryption_info_command ec, outs() << " cryptid " << ec.cryptid << "\n"; } +static void PrintEncryptionInfoCommand64(MachO::encryption_info_command_64 ec, + uint32_t object_size) { + outs() << " cmd LC_ENCRYPTION_INFO_64\n"; + outs() << " cmdsize " << ec.cmdsize; + if (ec.cmdsize != sizeof(struct MachO::encryption_info_command_64)) + outs() << " Incorrect size\n"; + else + outs() << "\n"; + outs() << " cryptoff " << ec.cryptoff; + if (ec.cryptoff > object_size) + outs() << " (past end of file)\n"; + else + outs() << "\n"; + outs() << " cryptsize " << ec.cryptsize; + if (ec.cryptsize > object_size) + outs() << " (past end of file)\n"; + else + outs() << "\n"; + outs() << " cryptid " << ec.cryptid << "\n"; + outs() << " pad " << ec.pad << "\n"; +} + static void PrintDylibCommand(MachO::dylib_command dl, const char *Ptr) { if (dl.cmd == MachO::LC_ID_DYLIB) outs() << " cmd LC_ID_DYLIB\n"; @@ -3772,6 +3794,9 @@ static void PrintLoadCommands(const MachOObjectFile *Obj, uint32_t ncmds, } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO) { MachO::encryption_info_command Ei = Obj->getEncryptionInfoCommand(Command); PrintEncryptionInfoCommand(Ei, Buf.size()); + } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO_64) { + MachO::encryption_info_command_64 Ei = Obj->getEncryptionInfoCommand64(Command); + PrintEncryptionInfoCommand64(Ei, Buf.size()); } else if (Command.C.cmd == MachO::LC_LOAD_DYLIB || Command.C.cmd == MachO::LC_ID_DYLIB || Command.C.cmd == MachO::LC_LOAD_WEAK_DYLIB || -- 2.34.1