MachO::mach_header Header = MachOOF->getHeader();
- // FIXME: FoundFns isn't used anymore. Using symbols/LC_FUNCTION_STARTS to
- // determine function locations will eventually go in MCObjectDisassembler.
// FIXME: Using the -cfg command line option, this code used to be able to
// annotate relocations with the referenced symbol's name, and if this was
// inside a __[cf]string section, the data it points to. This is now replaced
StringRef Name;
uint64_t Addend;
+ if (!Reloc.getObjectFile())
+ return;
+
findUnwindRelocNameAddend(Obj, Symbols, Reloc, Addr, Name, Addend);
outs() << Name;
break;
case MachO::CPU_SUBTYPE_X86_64_H:
outs() << " Haswell";
- break;
- switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
- default:
- outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
- break;
- }
+ outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
break;
case MachO::CPU_TYPE_ARM:
outs() << " ARM";
break;
}
if ((cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64) {
- outs() << " LIB64 ";
+ outs() << " LIB64";
} else {
outs() << format(" 0x%02" PRIx32,
(cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
outs() << "\n";
}
-static void getAndPrintMachHeader(const MachOObjectFile *Obj, bool verbose) {
+static void PrintSegmentCommand(uint32_t cmd, uint32_t cmdsize,
+ StringRef SegName, uint64_t vmaddr,
+ uint64_t vmsize, uint64_t fileoff,
+ uint64_t filesize, uint32_t maxprot,
+ uint32_t initprot, uint32_t nsects,
+ uint32_t flags, uint32_t object_size,
+ bool verbose) {
+ uint64_t expected_cmdsize;
+ if (cmd == MachO::LC_SEGMENT) {
+ outs() << " cmd LC_SEGMENT\n";
+ expected_cmdsize = nsects;
+ expected_cmdsize *= sizeof(struct MachO::section);
+ expected_cmdsize += sizeof(struct MachO::segment_command);
+ } else {
+ outs() << " cmd LC_SEGMENT_64\n";
+ expected_cmdsize = nsects;
+ expected_cmdsize *= sizeof(struct MachO::section_64);
+ expected_cmdsize += sizeof(struct MachO::segment_command_64);
+ }
+ outs() << " cmdsize " << cmdsize;
+ if (cmdsize != expected_cmdsize)
+ outs() << " Inconsistent size\n";
+ else
+ outs() << "\n";
+ outs() << " segname " << SegName << "\n";
+ if (cmd == MachO::LC_SEGMENT_64) {
+ outs() << " vmaddr " << format("0x%016" PRIx64, vmaddr) << "\n";
+ outs() << " vmsize " << format("0x%016" PRIx64, vmsize) << "\n";
+ } else {
+ outs() << " vmaddr " << format("0x%08" PRIx32, vmaddr) << "\n";
+ outs() << " vmsize " << format("0x%08" PRIx32, vmsize) << "\n";
+ }
+ outs() << " fileoff " << fileoff;
+ if (fileoff > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " filesize " << filesize;
+ if (fileoff + filesize > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ if (verbose) {
+ if ((maxprot &
+ ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
+ MachO::VM_PROT_EXECUTE)) != 0)
+ outs() << " maxprot ?" << format("0x%08" PRIx32, maxprot) << "\n";
+ else {
+ if (maxprot & MachO::VM_PROT_READ)
+ outs() << " maxprot r";
+ else
+ outs() << " maxprot -";
+ if (maxprot & MachO::VM_PROT_WRITE)
+ outs() << "w";
+ else
+ outs() << "-";
+ if (maxprot & MachO::VM_PROT_EXECUTE)
+ outs() << "x\n";
+ else
+ outs() << "-\n";
+ }
+ if ((initprot &
+ ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
+ MachO::VM_PROT_EXECUTE)) != 0)
+ outs() << " initprot ?" << format("0x%08" PRIx32, initprot) << "\n";
+ else {
+ if (initprot & MachO::VM_PROT_READ)
+ outs() << " initprot r";
+ else
+ outs() << " initprot -";
+ if (initprot & MachO::VM_PROT_WRITE)
+ outs() << "w";
+ else
+ outs() << "-";
+ if (initprot & MachO::VM_PROT_EXECUTE)
+ outs() << "x\n";
+ else
+ outs() << "-\n";
+ }
+ } else {
+ outs() << " maxprot " << format("0x%08" PRIx32, maxprot) << "\n";
+ outs() << " initprot " << format("0x%08" PRIx32, initprot) << "\n";
+ }
+ outs() << " nsects " << nsects << "\n";
+ if (verbose) {
+ outs() << " flags";
+ if (flags == 0)
+ outs() << " (none)\n";
+ else {
+ if (flags & MachO::SG_HIGHVM) {
+ outs() << " HIGHVM";
+ flags &= ~MachO::SG_HIGHVM;
+ }
+ if (flags & MachO::SG_FVMLIB) {
+ outs() << " FVMLIB";
+ flags &= ~MachO::SG_FVMLIB;
+ }
+ if (flags & MachO::SG_NORELOC) {
+ outs() << " NORELOC";
+ flags &= ~MachO::SG_NORELOC;
+ }
+ if (flags & MachO::SG_PROTECTED_VERSION_1) {
+ outs() << " PROTECTED_VERSION_1";
+ flags &= ~MachO::SG_PROTECTED_VERSION_1;
+ }
+ if (flags)
+ outs() << format(" 0x%08" PRIx32, flags) << " (unknown flags)\n";
+ else
+ outs() << "\n";
+ }
+ } else {
+ outs() << " flags " << format("0x%" PRIx32, flags) << "\n";
+ }
+}
+
+static void PrintSection(const char *sectname, const char *segname,
+ uint64_t addr, uint64_t size, uint32_t offset,
+ uint32_t align, uint32_t reloff, uint32_t nreloc,
+ uint32_t flags, uint32_t reserved1, uint32_t reserved2,
+ uint32_t cmd, const char *sg_segname,
+ uint32_t filetype, uint32_t object_size,
+ bool verbose) {
+ outs() << "Section\n";
+ outs() << " sectname " << format("%.16s\n", sectname);
+ outs() << " segname " << format("%.16s", segname);
+ if (filetype != MachO::MH_OBJECT && strncmp(sg_segname, segname, 16) != 0)
+ outs() << " (does not match segment)\n";
+ else
+ outs() << "\n";
+ if (cmd == MachO::LC_SEGMENT_64) {
+ outs() << " addr " << format("0x%016" PRIx64, addr) << "\n";
+ outs() << " size " << format("0x%016" PRIx64, size);
+ } else {
+ outs() << " addr " << format("0x%08" PRIx32, addr) << "\n";
+ outs() << " size " << format("0x%08" PRIx32, size);
+ }
+ if ((flags & MachO::S_ZEROFILL) != 0 && offset + size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " offset " << offset;
+ if (offset > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ uint32_t align_shifted = 1 << align;
+ outs() << " align 2^" << align << " (" << align_shifted << ")\n";
+ outs() << " reloff " << reloff;
+ if (reloff > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " nreloc " << nreloc;
+ if (reloff + nreloc * sizeof(struct MachO::relocation_info) > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ uint32_t section_type = flags & MachO::SECTION_TYPE;
+ if (verbose) {
+ outs() << " type";
+ if (section_type == MachO::S_REGULAR)
+ outs() << " S_REGULAR\n";
+ else if (section_type == MachO::S_ZEROFILL)
+ outs() << " S_ZEROFILL\n";
+ else if (section_type == MachO::S_CSTRING_LITERALS)
+ outs() << " S_CSTRING_LITERALS\n";
+ else if (section_type == MachO::S_4BYTE_LITERALS)
+ outs() << " S_4BYTE_LITERALS\n";
+ else if (section_type == MachO::S_8BYTE_LITERALS)
+ outs() << " S_8BYTE_LITERALS\n";
+ else if (section_type == MachO::S_16BYTE_LITERALS)
+ outs() << " S_16BYTE_LITERALS\n";
+ else if (section_type == MachO::S_LITERAL_POINTERS)
+ outs() << " S_LITERAL_POINTERS\n";
+ else if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS)
+ outs() << " S_NON_LAZY_SYMBOL_POINTERS\n";
+ else if (section_type == MachO::S_LAZY_SYMBOL_POINTERS)
+ outs() << " S_LAZY_SYMBOL_POINTERS\n";
+ else if (section_type == MachO::S_SYMBOL_STUBS)
+ outs() << " S_SYMBOL_STUBS\n";
+ else if (section_type == MachO::S_MOD_INIT_FUNC_POINTERS)
+ outs() << " S_MOD_INIT_FUNC_POINTERS\n";
+ else if (section_type == MachO::S_MOD_TERM_FUNC_POINTERS)
+ outs() << " S_MOD_TERM_FUNC_POINTERS\n";
+ else if (section_type == MachO::S_COALESCED)
+ outs() << " S_COALESCED\n";
+ else if (section_type == MachO::S_INTERPOSING)
+ outs() << " S_INTERPOSING\n";
+ else if (section_type == MachO::S_DTRACE_DOF)
+ outs() << " S_DTRACE_DOF\n";
+ else if (section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS)
+ outs() << " S_LAZY_DYLIB_SYMBOL_POINTERS\n";
+ else if (section_type == MachO::S_THREAD_LOCAL_REGULAR)
+ outs() << " S_THREAD_LOCAL_REGULAR\n";
+ else if (section_type == MachO::S_THREAD_LOCAL_ZEROFILL)
+ outs() << " S_THREAD_LOCAL_ZEROFILL\n";
+ else if (section_type == MachO::S_THREAD_LOCAL_VARIABLES)
+ outs() << " S_THREAD_LOCAL_VARIABLES\n";
+ else if (section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
+ outs() << " S_THREAD_LOCAL_VARIABLE_POINTERS\n";
+ else if (section_type == MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS)
+ outs() << " S_THREAD_LOCAL_INIT_FUNCTION_POINTERS\n";
+ else
+ outs() << format("0x%08" PRIx32, section_type) << "\n";
+ outs() << "attributes";
+ uint32_t section_attributes = flags & MachO::SECTION_ATTRIBUTES;
+ if (section_attributes & MachO::S_ATTR_PURE_INSTRUCTIONS)
+ outs() << " PURE_INSTRUCTIONS";
+ if (section_attributes & MachO::S_ATTR_NO_TOC)
+ outs() << " NO_TOC";
+ if (section_attributes & MachO::S_ATTR_STRIP_STATIC_SYMS)
+ outs() << " STRIP_STATIC_SYMS";
+ if (section_attributes & MachO::S_ATTR_NO_DEAD_STRIP)
+ outs() << " NO_DEAD_STRIP";
+ if (section_attributes & MachO::S_ATTR_LIVE_SUPPORT)
+ outs() << " LIVE_SUPPORT";
+ if (section_attributes & MachO::S_ATTR_SELF_MODIFYING_CODE)
+ outs() << " SELF_MODIFYING_CODE";
+ if (section_attributes & MachO::S_ATTR_DEBUG)
+ outs() << " DEBUG";
+ if (section_attributes & MachO::S_ATTR_SOME_INSTRUCTIONS)
+ outs() << " SOME_INSTRUCTIONS";
+ if (section_attributes & MachO::S_ATTR_EXT_RELOC)
+ outs() << " EXT_RELOC";
+ if (section_attributes & MachO::S_ATTR_LOC_RELOC)
+ outs() << " LOC_RELOC";
+ if (section_attributes == 0)
+ outs() << " (none)";
+ outs() << "\n";
+ } else
+ outs() << " flags " << format("0x%08" PRIx32, flags) << "\n";
+ outs() << " reserved1 " << reserved1;
+ if (section_type == MachO::S_SYMBOL_STUBS ||
+ section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
+ section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
+ section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
+ section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
+ outs() << " (index into indirect symbol table)\n";
+ else
+ outs() << "\n";
+ outs() << " reserved2 " << reserved2;
+ if (section_type == MachO::S_SYMBOL_STUBS)
+ outs() << " (size of stubs)\n";
+ else
+ outs() << "\n";
+}
+
+static void PrintSymtabLoadCommand(MachO::symtab_command st, uint32_t cputype,
+ uint32_t object_size) {
+ outs() << " cmd LC_SYMTAB\n";
+ outs() << " cmdsize " << st.cmdsize;
+ if (st.cmdsize != sizeof(struct MachO::symtab_command))
+ outs() << " Incorrect size\n";
+ else
+ outs() << "\n";
+ outs() << " symoff " << st.symoff;
+ if (st.symoff > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " nsyms " << st.nsyms;
+ uint64_t big_size;
+ if (cputype & MachO::CPU_ARCH_ABI64) {
+ big_size = st.nsyms;
+ big_size *= sizeof(struct MachO::nlist_64);
+ big_size += st.symoff;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ } else {
+ big_size = st.nsyms;
+ big_size *= sizeof(struct MachO::nlist);
+ big_size += st.symoff;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ }
+ outs() << " stroff " << st.stroff;
+ if (st.stroff > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " strsize " << st.strsize;
+ big_size = st.stroff;
+ big_size += st.strsize;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+}
+
+static void PrintDysymtabLoadCommand(MachO::dysymtab_command dyst,
+ uint32_t nsyms, uint32_t object_size,
+ uint32_t cputype) {
+ outs() << " cmd LC_DYSYMTAB\n";
+ outs() << " cmdsize " << dyst.cmdsize;
+ if (dyst.cmdsize != sizeof(struct MachO::dysymtab_command))
+ outs() << " Incorrect size\n";
+ else
+ outs() << "\n";
+ outs() << " ilocalsym " << dyst.ilocalsym;
+ if (dyst.ilocalsym > nsyms)
+ outs() << " (greater than the number of symbols)\n";
+ else
+ outs() << "\n";
+ outs() << " nlocalsym " << dyst.nlocalsym;
+ uint64_t big_size;
+ big_size = dyst.ilocalsym;
+ big_size += dyst.nlocalsym;
+ if (big_size > nsyms)
+ outs() << " (past the end of the symbol table)\n";
+ else
+ outs() << "\n";
+ outs() << " iextdefsym " << dyst.iextdefsym;
+ if (dyst.iextdefsym > nsyms)
+ outs() << " (greater than the number of symbols)\n";
+ else
+ outs() << "\n";
+ outs() << " nextdefsym " << dyst.nextdefsym;
+ big_size = dyst.iextdefsym;
+ big_size += dyst.nextdefsym;
+ if (big_size > nsyms)
+ outs() << " (past the end of the symbol table)\n";
+ else
+ outs() << "\n";
+ outs() << " iundefsym " << dyst.iundefsym;
+ if (dyst.iundefsym > nsyms)
+ outs() << " (greater than the number of symbols)\n";
+ else
+ outs() << "\n";
+ outs() << " nundefsym " << dyst.nundefsym;
+ big_size = dyst.iundefsym;
+ big_size += dyst.nundefsym;
+ if (big_size > nsyms)
+ outs() << " (past the end of the symbol table)\n";
+ else
+ outs() << "\n";
+ outs() << " tocoff " << dyst.tocoff;
+ if (dyst.tocoff > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " ntoc " << dyst.ntoc;
+ big_size = dyst.ntoc;
+ big_size *= sizeof(struct MachO::dylib_table_of_contents);
+ big_size += dyst.tocoff;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " modtaboff " << dyst.modtaboff;
+ if (dyst.modtaboff > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " nmodtab " << dyst.nmodtab;
+ uint64_t modtabend;
+ if (cputype & MachO::CPU_ARCH_ABI64) {
+ modtabend = dyst.nmodtab;
+ modtabend *= sizeof(struct MachO::dylib_module_64);
+ modtabend += dyst.modtaboff;
+ } else {
+ modtabend = dyst.nmodtab;
+ modtabend *= sizeof(struct MachO::dylib_module);
+ modtabend += dyst.modtaboff;
+ }
+ if (modtabend > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " extrefsymoff " << dyst.extrefsymoff;
+ if (dyst.extrefsymoff > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " nextrefsyms " << dyst.nextrefsyms;
+ big_size = dyst.nextrefsyms;
+ big_size *= sizeof(struct MachO::dylib_reference);
+ big_size += dyst.extrefsymoff;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " indirectsymoff " << dyst.indirectsymoff;
+ if (dyst.indirectsymoff > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " nindirectsyms " << dyst.nindirectsyms;
+ big_size = dyst.nindirectsyms;
+ big_size *= sizeof(uint32_t);
+ big_size += dyst.indirectsymoff;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " extreloff " << dyst.extreloff;
+ if (dyst.extreloff > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " nextrel " << dyst.nextrel;
+ big_size = dyst.nextrel;
+ big_size *= sizeof(struct MachO::relocation_info);
+ big_size += dyst.extreloff;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " locreloff " << dyst.locreloff;
+ if (dyst.locreloff > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " nlocrel " << dyst.nlocrel;
+ big_size = dyst.nlocrel;
+ big_size *= sizeof(struct MachO::relocation_info);
+ big_size += dyst.locreloff;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+}
+
+static void PrintDyldInfoLoadCommand(MachO::dyld_info_command dc,
+ uint32_t object_size) {
+ if (dc.cmd == MachO::LC_DYLD_INFO)
+ outs() << " cmd LC_DYLD_INFO\n";
+ else
+ outs() << " cmd LC_DYLD_INFO_ONLY\n";
+ outs() << " cmdsize " << dc.cmdsize;
+ if (dc.cmdsize != sizeof(struct MachO::dyld_info_command))
+ outs() << " Incorrect size\n";
+ else
+ outs() << "\n";
+ outs() << " rebase_off " << dc.rebase_off;
+ if (dc.rebase_off > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " rebase_size " << dc.rebase_size;
+ uint64_t big_size;
+ big_size = dc.rebase_off;
+ big_size += dc.rebase_size;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " bind_off " << dc.bind_off;
+ if (dc.bind_off > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " bind_size " << dc.bind_size;
+ big_size = dc.bind_off;
+ big_size += dc.bind_size;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " weak_bind_off " << dc.weak_bind_off;
+ if (dc.weak_bind_off > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " weak_bind_size " << dc.weak_bind_size;
+ big_size = dc.weak_bind_off;
+ big_size += dc.weak_bind_size;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " lazy_bind_off " << dc.lazy_bind_off;
+ if (dc.lazy_bind_off > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " lazy_bind_size " << dc.lazy_bind_size;
+ big_size = dc.lazy_bind_off;
+ big_size += dc.lazy_bind_size;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " export_off " << dc.export_off;
+ if (dc.export_off > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " export_size " << dc.export_size;
+ big_size = dc.export_off;
+ big_size += dc.export_size;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+}
+
+static void PrintDyldLoadCommand(MachO::dylinker_command dyld,
+ const char *Ptr) {
+ if (dyld.cmd == MachO::LC_ID_DYLINKER)
+ outs() << " cmd LC_ID_DYLINKER\n";
+ else if (dyld.cmd == MachO::LC_LOAD_DYLINKER)
+ outs() << " cmd LC_LOAD_DYLINKER\n";
+ else if (dyld.cmd == MachO::LC_DYLD_ENVIRONMENT)
+ outs() << " cmd LC_DYLD_ENVIRONMENT\n";
+ else
+ outs() << " cmd ?(" << dyld.cmd << ")\n";
+ outs() << " cmdsize " << dyld.cmdsize;
+ if (dyld.cmdsize < sizeof(struct MachO::dylinker_command))
+ outs() << " Incorrect size\n";
+ else
+ outs() << "\n";
+ if (dyld.name >= dyld.cmdsize)
+ outs() << " name ?(bad offset " << dyld.name << ")\n";
+ else {
+ const char *P = (const char *)(Ptr)+dyld.name;
+ outs() << " name " << P << " (offset " << dyld.name << ")\n";
+ }
+}
+
+static void PrintUuidLoadCommand(MachO::uuid_command uuid) {
+ outs() << " cmd LC_UUID\n";
+ outs() << " cmdsize " << uuid.cmdsize;
+ if (uuid.cmdsize != sizeof(struct MachO::uuid_command))
+ outs() << " Incorrect size\n";
+ else
+ outs() << "\n";
+ outs() << " uuid ";
+ outs() << format("%02" PRIX32, uuid.uuid[0]);
+ outs() << format("%02" PRIX32, uuid.uuid[1]);
+ outs() << format("%02" PRIX32, uuid.uuid[2]);
+ outs() << format("%02" PRIX32, uuid.uuid[3]);
+ outs() << "-";
+ outs() << format("%02" PRIX32, uuid.uuid[4]);
+ outs() << format("%02" PRIX32, uuid.uuid[5]);
+ outs() << "-";
+ outs() << format("%02" PRIX32, uuid.uuid[6]);
+ outs() << format("%02" PRIX32, uuid.uuid[7]);
+ outs() << "-";
+ outs() << format("%02" PRIX32, uuid.uuid[8]);
+ outs() << format("%02" PRIX32, uuid.uuid[9]);
+ outs() << "-";
+ outs() << format("%02" PRIX32, uuid.uuid[10]);
+ outs() << format("%02" PRIX32, uuid.uuid[11]);
+ outs() << format("%02" PRIX32, uuid.uuid[12]);
+ outs() << format("%02" PRIX32, uuid.uuid[13]);
+ outs() << format("%02" PRIX32, uuid.uuid[14]);
+ outs() << format("%02" PRIX32, uuid.uuid[15]);
+ outs() << "\n";
+}
+
+static void PrintVersionMinLoadCommand(MachO::version_min_command vd) {
+ if (vd.cmd == MachO::LC_VERSION_MIN_MACOSX)
+ outs() << " cmd LC_VERSION_MIN_MACOSX\n";
+ else if (vd.cmd == MachO::LC_VERSION_MIN_IPHONEOS)
+ outs() << " cmd LC_VERSION_MIN_IPHONEOS\n";
+ else
+ outs() << " cmd " << vd.cmd << " (?)\n";
+ outs() << " cmdsize " << vd.cmdsize;
+ if (vd.cmdsize != sizeof(struct MachO::version_min_command))
+ outs() << " Incorrect size\n";
+ else
+ outs() << "\n";
+ outs() << " version " << ((vd.version >> 16) & 0xffff) << "."
+ << ((vd.version >> 8) & 0xff);
+ if ((vd.version & 0xff) != 0)
+ outs() << "." << (vd.version & 0xff);
+ outs() << "\n";
+ if (vd.sdk == 0)
+ outs() << " sdk n/a\n";
+ else {
+ outs() << " sdk " << ((vd.sdk >> 16) & 0xffff) << "."
+ << ((vd.sdk >> 8) & 0xff);
+ }
+ if ((vd.sdk & 0xff) != 0)
+ outs() << "." << (vd.sdk & 0xff);
+ outs() << "\n";
+}
+
+static void PrintSourceVersionCommand(MachO::source_version_command sd) {
+ outs() << " cmd LC_SOURCE_VERSION\n";
+ outs() << " cmdsize " << sd.cmdsize;
+ if (sd.cmdsize != sizeof(struct MachO::source_version_command))
+ outs() << " Incorrect size\n";
+ else
+ outs() << "\n";
+ uint64_t a = (sd.version >> 40) & 0xffffff;
+ uint64_t b = (sd.version >> 30) & 0x3ff;
+ uint64_t c = (sd.version >> 20) & 0x3ff;
+ uint64_t d = (sd.version >> 10) & 0x3ff;
+ uint64_t e = sd.version & 0x3ff;
+ outs() << " version " << a << "." << b;
+ if (e != 0)
+ outs() << "." << c << "." << d << "." << e;
+ else if (d != 0)
+ outs() << "." << c << "." << d;
+ else if (c != 0)
+ outs() << "." << c;
+ outs() << "\n";
+}
+
+static void PrintEntryPointCommand(MachO::entry_point_command ep) {
+ outs() << " cmd LC_MAIN\n";
+ outs() << " cmdsize " << ep.cmdsize;
+ if (ep.cmdsize != sizeof(struct MachO::entry_point_command))
+ outs() << " Incorrect size\n";
+ else
+ outs() << "\n";
+ outs() << " entryoff " << ep.entryoff << "\n";
+ outs() << " stacksize " << ep.stacksize << "\n";
+}
+
+static void PrintDylibCommand(MachO::dylib_command dl, const char *Ptr) {
+ if (dl.cmd == MachO::LC_ID_DYLIB)
+ outs() << " cmd LC_ID_DYLIB\n";
+ else if (dl.cmd == MachO::LC_LOAD_DYLIB)
+ outs() << " cmd LC_LOAD_DYLIB\n";
+ else if (dl.cmd == MachO::LC_LOAD_WEAK_DYLIB)
+ outs() << " cmd LC_LOAD_WEAK_DYLIB\n";
+ else if (dl.cmd == MachO::LC_REEXPORT_DYLIB)
+ outs() << " cmd LC_REEXPORT_DYLIB\n";
+ else if (dl.cmd == MachO::LC_LAZY_LOAD_DYLIB)
+ outs() << " cmd LC_LAZY_LOAD_DYLIB\n";
+ else if (dl.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
+ outs() << " cmd LC_LOAD_UPWARD_DYLIB\n";
+ else
+ outs() << " cmd " << dl.cmd << " (unknown)\n";
+ outs() << " cmdsize " << dl.cmdsize;
+ if (dl.cmdsize < sizeof(struct MachO::dylib_command))
+ outs() << " Incorrect size\n";
+ else
+ outs() << "\n";
+ if (dl.dylib.name < dl.cmdsize) {
+ const char *P = (const char *)(Ptr)+dl.dylib.name;
+ outs() << " name " << P << " (offset " << dl.dylib.name << ")\n";
+ } else {
+ outs() << " name ?(bad offset " << dl.dylib.name << ")\n";
+ }
+ outs() << " time stamp " << dl.dylib.timestamp << " ";
+ time_t t = dl.dylib.timestamp;
+ outs() << ctime(&t);
+ outs() << " current version ";
+ if (dl.dylib.current_version == 0xffffffff)
+ outs() << "n/a\n";
+ else
+ outs() << ((dl.dylib.current_version >> 16) & 0xffff) << "."
+ << ((dl.dylib.current_version >> 8) & 0xff) << "."
+ << (dl.dylib.current_version & 0xff) << "\n";
+ outs() << "compatibility version ";
+ if (dl.dylib.compatibility_version == 0xffffffff)
+ outs() << "n/a\n";
+ else
+ outs() << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
+ << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
+ << (dl.dylib.compatibility_version & 0xff) << "\n";
+}
+
+static void PrintLinkEditDataCommand(MachO::linkedit_data_command ld,
+ uint32_t object_size) {
+ if (ld.cmd == MachO::LC_CODE_SIGNATURE)
+ outs() << " cmd LC_FUNCTION_STARTS\n";
+ else if (ld.cmd == MachO::LC_SEGMENT_SPLIT_INFO)
+ outs() << " cmd LC_SEGMENT_SPLIT_INFO\n";
+ else if (ld.cmd == MachO::LC_FUNCTION_STARTS)
+ outs() << " cmd LC_FUNCTION_STARTS\n";
+ else if (ld.cmd == MachO::LC_DATA_IN_CODE)
+ outs() << " cmd LC_DATA_IN_CODE\n";
+ else if (ld.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS)
+ outs() << " cmd LC_DYLIB_CODE_SIGN_DRS\n";
+ else if (ld.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT)
+ outs() << " cmd LC_LINKER_OPTIMIZATION_HINT\n";
+ else
+ outs() << " cmd " << ld.cmd << " (?)\n";
+ outs() << " cmdsize " << ld.cmdsize;
+ if (ld.cmdsize != sizeof(struct MachO::linkedit_data_command))
+ outs() << " Incorrect size\n";
+ else
+ outs() << "\n";
+ outs() << " dataoff " << ld.dataoff;
+ if (ld.dataoff > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+ outs() << " datasize " << ld.datasize;
+ uint64_t big_size = ld.dataoff;
+ big_size += ld.datasize;
+ if (big_size > object_size)
+ outs() << " (past end of file)\n";
+ else
+ outs() << "\n";
+}
+
+static void PrintLoadCommands(const MachOObjectFile *Obj, uint32_t ncmds,
+ uint32_t filetype, uint32_t cputype,
+ bool verbose) {
+ StringRef Buf = Obj->getData();
+ MachOObjectFile::LoadCommandInfo Command = Obj->getFirstLoadCommandInfo();
+ for (unsigned i = 0;; ++i) {
+ outs() << "Load command " << i << "\n";
+ if (Command.C.cmd == MachO::LC_SEGMENT) {
+ MachO::segment_command SLC = Obj->getSegmentLoadCommand(Command);
+ const char *sg_segname = SLC.segname;
+ PrintSegmentCommand(SLC.cmd, SLC.cmdsize, SLC.segname, SLC.vmaddr,
+ SLC.vmsize, SLC.fileoff, SLC.filesize, SLC.maxprot,
+ SLC.initprot, SLC.nsects, SLC.flags, Buf.size(),
+ verbose);
+ for (unsigned j = 0; j < SLC.nsects; j++) {
+ MachO::section_64 S = Obj->getSection64(Command, j);
+ PrintSection(S.sectname, S.segname, S.addr, S.size, S.offset, S.align,
+ S.reloff, S.nreloc, S.flags, S.reserved1, S.reserved2,
+ SLC.cmd, sg_segname, filetype, Buf.size(), verbose);
+ }
+ } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
+ MachO::segment_command_64 SLC_64 = Obj->getSegment64LoadCommand(Command);
+ const char *sg_segname = SLC_64.segname;
+ PrintSegmentCommand(SLC_64.cmd, SLC_64.cmdsize, SLC_64.segname,
+ SLC_64.vmaddr, SLC_64.vmsize, SLC_64.fileoff,
+ SLC_64.filesize, SLC_64.maxprot, SLC_64.initprot,
+ SLC_64.nsects, SLC_64.flags, Buf.size(), verbose);
+ for (unsigned j = 0; j < SLC_64.nsects; j++) {
+ MachO::section_64 S_64 = Obj->getSection64(Command, j);
+ PrintSection(S_64.sectname, S_64.segname, S_64.addr, S_64.size,
+ S_64.offset, S_64.align, S_64.reloff, S_64.nreloc,
+ S_64.flags, S_64.reserved1, S_64.reserved2, SLC_64.cmd,
+ sg_segname, filetype, Buf.size(), verbose);
+ }
+ } else if (Command.C.cmd == MachO::LC_SYMTAB) {
+ MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
+ PrintSymtabLoadCommand(Symtab, cputype, Buf.size());
+ } else if (Command.C.cmd == MachO::LC_DYSYMTAB) {
+ MachO::dysymtab_command Dysymtab = Obj->getDysymtabLoadCommand();
+ MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
+ PrintDysymtabLoadCommand(Dysymtab, Symtab.nsyms, Buf.size(), cputype);
+ } else if (Command.C.cmd == MachO::LC_DYLD_INFO ||
+ Command.C.cmd == MachO::LC_DYLD_INFO_ONLY) {
+ MachO::dyld_info_command DyldInfo = Obj->getDyldInfoLoadCommand(Command);
+ PrintDyldInfoLoadCommand(DyldInfo, Buf.size());
+ } else if (Command.C.cmd == MachO::LC_LOAD_DYLINKER ||
+ Command.C.cmd == MachO::LC_ID_DYLINKER ||
+ Command.C.cmd == MachO::LC_DYLD_ENVIRONMENT) {
+ MachO::dylinker_command Dyld = Obj->getDylinkerCommand(Command);
+ PrintDyldLoadCommand(Dyld, Command.Ptr);
+ } else if (Command.C.cmd == MachO::LC_UUID) {
+ MachO::uuid_command Uuid = Obj->getUuidCommand(Command);
+ PrintUuidLoadCommand(Uuid);
+ } else if (Command.C.cmd == MachO::LC_VERSION_MIN_MACOSX) {
+ MachO::version_min_command Vd = Obj->getVersionMinLoadCommand(Command);
+ PrintVersionMinLoadCommand(Vd);
+ } else if (Command.C.cmd == MachO::LC_SOURCE_VERSION) {
+ MachO::source_version_command Sd = Obj->getSourceVersionCommand(Command);
+ PrintSourceVersionCommand(Sd);
+ } else if (Command.C.cmd == MachO::LC_MAIN) {
+ MachO::entry_point_command Ep = Obj->getEntryPointCommand(Command);
+ PrintEntryPointCommand(Ep);
+ } else if (Command.C.cmd == MachO::LC_LOAD_DYLIB) {
+ MachO::dylib_command Dl = Obj->getDylibIDLoadCommand(Command);
+ PrintDylibCommand(Dl, Command.Ptr);
+ } else if (Command.C.cmd == MachO::LC_CODE_SIGNATURE ||
+ Command.C.cmd == MachO::LC_SEGMENT_SPLIT_INFO ||
+ Command.C.cmd == MachO::LC_FUNCTION_STARTS ||
+ Command.C.cmd == MachO::LC_DATA_IN_CODE ||
+ Command.C.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS ||
+ Command.C.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT) {
+ MachO::linkedit_data_command Ld =
+ Obj->getLinkeditDataLoadCommand(Command);
+ PrintLinkEditDataCommand(Ld, Buf.size());
+ } else {
+ outs() << " cmd ?(" << format("0x%08" PRIx32, Command.C.cmd)
+ << ")\n";
+ outs() << " cmdsize " << Command.C.cmdsize << "\n";
+ // TODO: get and print the raw bytes of the load command.
+ }
+ // TODO: print all the other kinds of load commands.
+ if (i == ncmds - 1)
+ break;
+ else
+ Command = Obj->getNextLoadCommandInfo(Command);
+ }
+}
+
+static void getAndPrintMachHeader(const MachOObjectFile *Obj, uint32_t &ncmds,
+ uint32_t &filetype, uint32_t &cputype,
+ bool verbose) {
if (Obj->is64Bit()) {
MachO::mach_header_64 H_64;
H_64 = Obj->getHeader64();
PrintMachHeader(H_64.magic, H_64.cputype, H_64.cpusubtype, H_64.filetype,
H_64.ncmds, H_64.sizeofcmds, H_64.flags, verbose);
+ ncmds = H_64.ncmds;
+ filetype = H_64.filetype;
+ cputype = H_64.cputype;
} else {
MachO::mach_header H;
H = Obj->getHeader();
PrintMachHeader(H.magic, H.cputype, H.cpusubtype, H.filetype, H.ncmds,
H.sizeofcmds, H.flags, verbose);
+ ncmds = H.ncmds;
+ filetype = H.filetype;
+ cputype = H.cputype;
}
}
void llvm::printMachOFileHeader(const object::ObjectFile *Obj) {
const MachOObjectFile *file = dyn_cast<const MachOObjectFile>(Obj);
- getAndPrintMachHeader(file, true);
- // TODO: next get and print the load commands.
+ uint32_t ncmds = 0;
+ uint32_t filetype = 0;
+ uint32_t cputype = 0;
+ getAndPrintMachHeader(file, ncmds, filetype, cputype, true);
+ PrintLoadCommands(file, ncmds, filetype, cputype, true);
+}
+
+//===----------------------------------------------------------------------===//
+// export trie dumping
+//===----------------------------------------------------------------------===//
+
+void llvm::printMachOExportsTrie(const object::MachOObjectFile *Obj) {
+ for (const llvm::object::ExportEntry &Entry : Obj->exports()) {
+ uint64_t Flags = Entry.flags();
+ bool ReExport = (Flags & MachO::EXPORT_SYMBOL_FLAGS_REEXPORT);
+ bool WeakDef = (Flags & MachO::EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION);
+ bool ThreadLocal = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
+ MachO::EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL);
+ bool Abs = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
+ MachO::EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE);
+ bool Resolver = (Flags & MachO::EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER);
+ if (ReExport)
+ outs() << "[re-export] ";
+ else
+ outs()
+ << format("0x%08llX ", Entry.address()); // FIXME:add in base address
+ outs() << Entry.name();
+ if (WeakDef || ThreadLocal || Resolver || Abs) {
+ bool NeedsComma = false;
+ outs() << " [";
+ if (WeakDef) {
+ outs() << "weak_def";
+ NeedsComma = true;
+ }
+ if (ThreadLocal) {
+ if (NeedsComma)
+ outs() << ", ";
+ outs() << "per-thread";
+ NeedsComma = true;
+ }
+ if (Abs) {
+ if (NeedsComma)
+ outs() << ", ";
+ outs() << "absolute";
+ NeedsComma = true;
+ }
+ if (Resolver) {
+ if (NeedsComma)
+ outs() << ", ";
+ outs() << format("resolver=0x%08llX", Entry.other());
+ NeedsComma = true;
+ }
+ outs() << "]";
+ }
+ if (ReExport) {
+ StringRef DylibName = "unknown";
+ int Ordinal = Entry.other() - 1;
+ Obj->getLibraryShortNameByIndex(Ordinal, DylibName);
+ if (Entry.otherName().empty())
+ outs() << " (from " << DylibName << ")";
+ else
+ outs() << " (" << Entry.otherName() << " from " << DylibName << ")";
+ }
+ outs() << "\n";
+ }
+}
+
+
+//===----------------------------------------------------------------------===//
+// rebase table dumping
+//===----------------------------------------------------------------------===//
+
+namespace {
+class SegInfo {
+public:
+ SegInfo(const object::MachOObjectFile *Obj);
+
+ StringRef segmentName(uint32_t SegIndex);
+ StringRef sectionName(uint32_t SegIndex, uint64_t SegOffset);
+ uint64_t address(uint32_t SegIndex, uint64_t SegOffset);
+
+private:
+ struct SectionInfo {
+ uint64_t Address;
+ uint64_t Size;
+ StringRef SectionName;
+ StringRef SegmentName;
+ uint64_t OffsetInSegment;
+ uint64_t SegmentStartAddress;
+ uint32_t SegmentIndex;
+ };
+ const SectionInfo &findSection(uint32_t SegIndex, uint64_t SegOffset);
+ SmallVector<SectionInfo, 32> Sections;
+};
+}
+
+SegInfo::SegInfo(const object::MachOObjectFile *Obj) {
+ // Build table of sections so segIndex/offset pairs can be translated.
+ uint32_t CurSegIndex = 0;
+ StringRef CurSegName;
+ uint64_t CurSegAddress;
+ for (const SectionRef &Section : Obj->sections()) {
+ SectionInfo Info;
+ if (error(Section.getName(Info.SectionName)))
+ return;
+ if (error(Section.getAddress(Info.Address)))
+ return;
+ if (error(Section.getSize(Info.Size)))
+ return;
+ Info.SegmentName =
+ Obj->getSectionFinalSegmentName(Section.getRawDataRefImpl());
+ if (!Info.SegmentName.equals(CurSegName)) {
+ ++CurSegIndex;
+ CurSegName = Info.SegmentName;
+ CurSegAddress = Info.Address;
+ }
+ Info.SegmentIndex = CurSegIndex - 1;
+ Info.OffsetInSegment = Info.Address - CurSegAddress;
+ Info.SegmentStartAddress = CurSegAddress;
+ Sections.push_back(Info);
+ }
+}
+
+StringRef SegInfo::segmentName(uint32_t SegIndex) {
+ for (const SectionInfo &SI : Sections) {
+ if (SI.SegmentIndex == SegIndex)
+ return SI.SegmentName;
+ }
+ llvm_unreachable("invalid segIndex");
+}
+
+const SegInfo::SectionInfo &SegInfo::findSection(uint32_t SegIndex,
+ uint64_t OffsetInSeg) {
+ for (const SectionInfo &SI : Sections) {
+ if (SI.SegmentIndex != SegIndex)
+ continue;
+ if (SI.OffsetInSegment > OffsetInSeg)
+ continue;
+ if (OffsetInSeg >= (SI.OffsetInSegment + SI.Size))
+ continue;
+ return SI;
+ }
+ llvm_unreachable("segIndex and offset not in any section");
+}
+
+StringRef SegInfo::sectionName(uint32_t SegIndex, uint64_t OffsetInSeg) {
+ return findSection(SegIndex, OffsetInSeg).SectionName;
+}
+
+uint64_t SegInfo::address(uint32_t SegIndex, uint64_t OffsetInSeg) {
+ const SectionInfo &SI = findSection(SegIndex, OffsetInSeg);
+ return SI.SegmentStartAddress + OffsetInSeg;
+}
+
+void llvm::printMachORebaseTable(const object::MachOObjectFile *Obj) {
+ // Build table of sections so names can used in final output.
+ SegInfo sectionTable(Obj);
+
+ outs() << "segment section address type\n";
+ for (const llvm::object::MachORebaseEntry &Entry : Obj->rebaseTable()) {
+ uint32_t SegIndex = Entry.segmentIndex();
+ uint64_t OffsetInSeg = Entry.segmentOffset();
+ StringRef SegmentName = sectionTable.segmentName(SegIndex);
+ StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
+ uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
+
+ // Table lines look like: __DATA __nl_symbol_ptr 0x0000F00C pointer
+ outs() << format("%-8s %-18s 0x%08" PRIX64 " %s\n",
+ SegmentName.str().c_str(),
+ SectionName.str().c_str(), Address,
+ Entry.typeName().str().c_str());
+ }
}
projects / oota-llvm.git / blobdiff