#include "llvm-readobj.h"
#include "Error.h"
#include "ObjDumper.h"
+#include "StackMapPrinter.h"
#include "StreamWriter.h"
-
#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/Object/MachO.h"
#include "llvm/Support/Casting.h"
class MachODumper : public ObjDumper {
public:
- MachODumper(const llvm::object::MachOObjectFile *Obj, StreamWriter& Writer)
+ MachODumper(const MachOObjectFile *Obj, StreamWriter& Writer)
: ObjDumper(Writer)
, Obj(Obj) { }
- virtual void printFileHeaders() LLVM_OVERRIDE;
- virtual void printSections() LLVM_OVERRIDE;
- virtual void printRelocations() LLVM_OVERRIDE;
- virtual void printSymbols() LLVM_OVERRIDE;
- virtual void printDynamicSymbols() LLVM_OVERRIDE;
- virtual void printUnwindInfo() LLVM_OVERRIDE;
+ void printFileHeaders() override;
+ void printSections() override;
+ void printRelocations() override;
+ void printSymbols() override;
+ void printDynamicSymbols() override;
+ void printUnwindInfo() override;
+ void printStackMap() const override;
+
+ // MachO-specific.
+ void printMachODataInCode() override;
+ void printMachOVersionMin() override;
+ void printMachODysymtab() override;
+ void printMachOSegment() override;
+ void printMachOIndirectSymbols() override;
+ void printMachOLinkerOptions () override;
private:
- void printSymbol(symbol_iterator SymI);
+ template<class MachHeader>
+ void printFileHeaders(const MachHeader &Header);
+
+ void printSymbol(const SymbolRef &Symbol);
+
+ void printRelocation(const RelocationRef &Reloc);
- void printRelocation(section_iterator SecI, relocation_iterator RelI);
+ void printRelocation(const MachOObjectFile *Obj, const RelocationRef &Reloc);
- const llvm::object::MachOObjectFile *Obj;
+ void printSections(const MachOObjectFile *Obj);
+
+ const MachOObjectFile *Obj;
};
} // namespace
namespace llvm {
-error_code createMachODumper(const object::ObjectFile *Obj,
- StreamWriter& Writer,
- OwningPtr<ObjDumper> &Result) {
+std::error_code createMachODumper(const object::ObjectFile *Obj,
+ StreamWriter &Writer,
+ std::unique_ptr<ObjDumper> &Result) {
const MachOObjectFile *MachOObj = dyn_cast<MachOObjectFile>(Obj);
if (!MachOObj)
return readobj_error::unsupported_obj_file_format;
} // namespace llvm
+static const EnumEntry<uint32_t> MachOMagics[] = {
+ { "Magic", MachO::MH_MAGIC },
+ { "Cigam", MachO::MH_CIGAM },
+ { "Magic64", MachO::MH_MAGIC_64 },
+ { "Cigam64", MachO::MH_CIGAM_64 },
+ { "FatMagic", MachO::FAT_MAGIC },
+ { "FatCigam", MachO::FAT_CIGAM },
+};
+
+static const EnumEntry<uint32_t> MachOHeaderFileTypes[] = {
+ { "Relocatable", MachO::MH_OBJECT },
+ { "Executable", MachO::MH_EXECUTE },
+ { "FixedVMLibrary", MachO::MH_FVMLIB },
+ { "Core", MachO::MH_CORE },
+ { "PreloadedExecutable", MachO::MH_PRELOAD },
+ { "DynamicLibrary", MachO::MH_DYLIB },
+ { "DynamicLinker", MachO::MH_DYLINKER },
+ { "Bundle", MachO::MH_BUNDLE },
+ { "DynamicLibraryStub", MachO::MH_DYLIB_STUB },
+ { "DWARFSymbol", MachO::MH_DSYM },
+ { "KextBundle", MachO::MH_KEXT_BUNDLE },
+};
+
+static const EnumEntry<uint32_t> MachOHeaderCpuTypes[] = {
+ { "Any" , static_cast<uint32_t>(MachO::CPU_TYPE_ANY) },
+ { "X86" , MachO::CPU_TYPE_X86 },
+ { "X86-64" , MachO::CPU_TYPE_X86_64 },
+ { "Mc98000" , MachO::CPU_TYPE_MC98000 },
+ { "Arm" , MachO::CPU_TYPE_ARM },
+ { "Arm64" , MachO::CPU_TYPE_ARM64 },
+ { "Sparc" , MachO::CPU_TYPE_SPARC },
+ { "PowerPC" , MachO::CPU_TYPE_POWERPC },
+ { "PowerPC64" , MachO::CPU_TYPE_POWERPC64 },
+};
+
+static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesX86[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_I386_ALL),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_386),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_486),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_486SX),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_586),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTPRO),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTII_M3),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTII_M5),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_CELERON),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_CELERON_MOBILE),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3_M),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3_XEON),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_M),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_4),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_4_M),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ITANIUM),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ITANIUM_2),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_XEON),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_XEON_MP),
+};
+
+static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesX64[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_64_ALL),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_ARCH1),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_64_H),
+};
+
+static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_ALL),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V4T),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V6),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V5),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V5TEJ),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_XSCALE),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7S),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7K),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V6M),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7M),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7EM),
+};
+
+static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM64[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_ALL),
+};
+
+static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesSPARC[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_SPARC_ALL),
+};
+
+static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesPPC[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_ALL),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_601),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_602),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603e),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603ev),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_604),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_604e),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_620),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_750),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_7400),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_7450),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_970),
+};
-static const EnumEntry<unsigned> MachOSectionTypes[] = {
- { "Regular" , 0x00 },
- { "ZeroFill" , 0x01 },
- { "CStringLiterals" , 0x02 },
- { "4ByteLiterals" , 0x03 },
- { "8ByteLiterals" , 0x04 },
- { "LiteralPointers" , 0x05 },
- { "NonLazySymbolPointers" , 0x06 },
- { "LazySymbolPointers" , 0x07 },
- { "SymbolStubs" , 0x08 },
- { "ModInitFuncs" , 0x09 },
- { "ModTermFuncs" , 0x0A },
- { "Coalesced" , 0x0B },
- { "GBZeroFill" , 0x0C },
- { "Interposing" , 0x0D },
- { "16ByteLiterals" , 0x0E },
- { "DTraceDOF" , 0x0F },
- { "LazyDylibSymbolPoints" , 0x10 },
- { "ThreadLocalRegular" , 0x11 },
- { "ThreadLocalZerofill" , 0x12 },
- { "ThreadLocalVariables" , 0x13 },
- { "ThreadLocalVariablePointers" , 0x14 },
- { "ThreadLocalInitFunctionPointers", 0x15 }
+static const EnumEntry<uint32_t> MachOHeaderFlags[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_NOUNDEFS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_INCRLINK),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_DYLDLINK),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_BINDATLOAD),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_PREBOUND),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_SPLIT_SEGS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_LAZY_INIT),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_TWOLEVEL),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_FORCE_FLAT),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_NOMULTIDEFS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_NOFIXPREBINDING),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_PREBINDABLE),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_ALLMODSBOUND),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_SUBSECTIONS_VIA_SYMBOLS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_CANONICAL),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_WEAK_DEFINES),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_BINDS_TO_WEAK),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_ALLOW_STACK_EXECUTION),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_ROOT_SAFE),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_SETUID_SAFE),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_NO_REEXPORTED_DYLIBS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_PIE),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_DEAD_STRIPPABLE_DYLIB),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_HAS_TLV_DESCRIPTORS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_NO_HEAP_EXECUTION),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_APP_EXTENSION_SAFE),
};
static const EnumEntry<unsigned> MachOSectionAttributes[] = {
static const EnumEntry<unsigned> MachOSymbolTypes[] = {
{ "Undef", 0x0 },
- { "External", 0x1 },
{ "Abs", 0x2 },
{ "Indirect", 0xA },
{ "PreboundUndef", 0xC },
- { "Section", 0xE },
- { "PrivateExternal", 0x10 }
+ { "Section", 0xE }
};
namespace {
- enum {
- N_STAB = 0xE0
- };
-
struct MachOSection {
ArrayRef<char> Name;
ArrayRef<char> SegmentName;
uint32_t Flags;
uint32_t Reserved1;
uint32_t Reserved2;
+ uint32_t Reserved3;
+ };
+
+ struct MachOSegment {
+ StringRef CmdName;
+ StringRef SegName;
+ uint64_t cmdsize;
+ uint64_t vmaddr;
+ uint64_t vmsize;
+ uint64_t fileoff;
+ uint64_t filesize;
+ uint32_t maxprot;
+ uint32_t initprot;
+ uint32_t nsects;
+ uint32_t flags;
};
struct MachOSymbol {
};
}
-static bool is64BitLoadCommand(const MachOObject *MachOObj, DataRefImpl DRI) {
- LoadCommandInfo LCI = MachOObj->getLoadCommandInfo(DRI.d.a);
- if (LCI.Command.Type == macho::LCT_Segment64)
- return true;
- assert(LCI.Command.Type == macho::LCT_Segment && "Unexpected Type.");
- return false;
+static std::string getMask(uint32_t prot)
+{
+ // TODO (davide): This always assumes prot is valid.
+ // Catch mistakes and report if needed.
+ std::string Prot;
+ Prot = "";
+ Prot += (prot & MachO::VM_PROT_READ) ? "r" : "-";
+ Prot += (prot & MachO::VM_PROT_WRITE) ? "w" : "-";
+ Prot += (prot & MachO::VM_PROT_EXECUTE) ? "x" : "-";
+ return Prot;
}
static void getSection(const MachOObjectFile *Obj,
- DataRefImpl DRI,
+ DataRefImpl Sec,
MachOSection &Section) {
- const MachOObject *MachOObj = Obj->getObject();
-
- if (is64BitLoadCommand(MachOObj, DRI)) {
- const MachOFormat::Section64 *Sect = Obj->getSection64(DRI);
-
- Section.Address = Sect->Address;
- Section.Size = Sect->Size;
- Section.Offset = Sect->Offset;
- Section.Alignment = Sect->Align;
- Section.RelocationTableOffset = Sect->RelocationTableOffset;
- Section.NumRelocationTableEntries = Sect->NumRelocationTableEntries;
- Section.Flags = Sect->Flags;
- Section.Reserved1 = Sect->Reserved1;
- Section.Reserved2 = Sect->Reserved2;
- } else {
- const MachOFormat::Section *Sect = Obj->getSection(DRI);
-
- Section.Address = Sect->Address;
- Section.Size = Sect->Size;
- Section.Offset = Sect->Offset;
- Section.Alignment = Sect->Align;
- Section.RelocationTableOffset = Sect->RelocationTableOffset;
- Section.NumRelocationTableEntries = Sect->NumRelocationTableEntries;
- Section.Flags = Sect->Flags;
- Section.Reserved1 = Sect->Reserved1;
- Section.Reserved2 = Sect->Reserved2;
+ if (!Obj->is64Bit()) {
+ MachO::section Sect = Obj->getSection(Sec);
+ Section.Address = Sect.addr;
+ Section.Size = Sect.size;
+ Section.Offset = Sect.offset;
+ Section.Alignment = Sect.align;
+ Section.RelocationTableOffset = Sect.reloff;
+ Section.NumRelocationTableEntries = Sect.nreloc;
+ Section.Flags = Sect.flags;
+ Section.Reserved1 = Sect.reserved1;
+ Section.Reserved2 = Sect.reserved2;
+ return;
}
+ MachO::section_64 Sect = Obj->getSection64(Sec);
+ Section.Address = Sect.addr;
+ Section.Size = Sect.size;
+ Section.Offset = Sect.offset;
+ Section.Alignment = Sect.align;
+ Section.RelocationTableOffset = Sect.reloff;
+ Section.NumRelocationTableEntries = Sect.nreloc;
+ Section.Flags = Sect.flags;
+ Section.Reserved1 = Sect.reserved1;
+ Section.Reserved2 = Sect.reserved2;
+ Section.Reserved3 = Sect.reserved3;
}
-static void getSymbolTableEntry(const MachOObject *MachO,
- DataRefImpl DRI,
- InMemoryStruct<macho::SymbolTableEntry> &Res) {
- InMemoryStruct<macho::SymtabLoadCommand> SymtabLoadCmd;
- LoadCommandInfo LCI = MachO->getLoadCommandInfo(DRI.d.a);
- MachO->ReadSymtabLoadCommand(LCI, SymtabLoadCmd);
- MachO->ReadSymbolTableEntry(SymtabLoadCmd->SymbolTableOffset, DRI.d.b, Res);
-}
-
-static void getSymbol64TableEntry(const MachOObject *MachO,
- DataRefImpl DRI,
- InMemoryStruct<macho::Symbol64TableEntry> &Res) {
- InMemoryStruct<macho::SymtabLoadCommand> SymtabLoadCmd;
- LoadCommandInfo LCI = MachO->getLoadCommandInfo(DRI.d.a);
- MachO->ReadSymtabLoadCommand(LCI, SymtabLoadCmd);
- MachO->ReadSymbol64TableEntry(SymtabLoadCmd->SymbolTableOffset, DRI.d.b, Res);
+static void getSegment(const MachOObjectFile *Obj,
+ const MachOObjectFile::LoadCommandInfo &L,
+ MachOSegment &Segment) {
+ if (!Obj->is64Bit()) {
+ MachO::segment_command SC = Obj->getSegmentLoadCommand(L);
+ Segment.CmdName = "LC_SEGMENT";
+ Segment.SegName = SC.segname;
+ Segment.cmdsize = SC.cmdsize;
+ Segment.vmaddr = SC.vmaddr;
+ Segment.vmsize = SC.vmsize;
+ Segment.fileoff = SC.fileoff;
+ Segment.filesize = SC.filesize;
+ Segment.maxprot = SC.maxprot;
+ Segment.initprot = SC.initprot;
+ Segment.nsects = SC.nsects;
+ Segment.flags = SC.flags;
+ return;
+ }
+ MachO::segment_command_64 SC = Obj->getSegment64LoadCommand(L);
+ Segment.CmdName = "LC_SEGMENT_64";
+ Segment.SegName = SC.segname;
+ Segment.cmdsize = SC.cmdsize;
+ Segment.vmaddr = SC.vmaddr;
+ Segment.vmsize = SC.vmsize;
+ Segment.fileoff = SC.fileoff;
+ Segment.filesize = SC.filesize;
+ Segment.maxprot = SC.maxprot;
+ Segment.initprot = SC.initprot;
+ Segment.nsects = SC.nsects;
+ Segment.flags = SC.flags;
}
-static void getSymbol(const MachOObject *MachOObj,
+static void getSymbol(const MachOObjectFile *Obj,
DataRefImpl DRI,
MachOSymbol &Symbol) {
- if (MachOObj->is64Bit()) {
- InMemoryStruct<macho::Symbol64TableEntry> Entry;
- getSymbol64TableEntry(MachOObj, DRI, Entry);
- Symbol.StringIndex = Entry->StringIndex;
- Symbol.Type = Entry->Type;
- Symbol.SectionIndex = Entry->SectionIndex;
- Symbol.Flags = Entry->Flags;
- Symbol.Value = Entry->Value;
- } else {
- InMemoryStruct<macho::SymbolTableEntry> Entry;
- getSymbolTableEntry(MachOObj, DRI, Entry);
- Symbol.StringIndex = Entry->StringIndex;
- Symbol.Type = Entry->Type;
- Symbol.SectionIndex = Entry->SectionIndex;
- Symbol.Flags = Entry->Flags;
- Symbol.Value = Entry->Value;
+ if (!Obj->is64Bit()) {
+ MachO::nlist Entry = Obj->getSymbolTableEntry(DRI);
+ Symbol.StringIndex = Entry.n_strx;
+ Symbol.Type = Entry.n_type;
+ Symbol.SectionIndex = Entry.n_sect;
+ Symbol.Flags = Entry.n_desc;
+ Symbol.Value = Entry.n_value;
+ return;
}
+ MachO::nlist_64 Entry = Obj->getSymbol64TableEntry(DRI);
+ Symbol.StringIndex = Entry.n_strx;
+ Symbol.Type = Entry.n_type;
+ Symbol.SectionIndex = Entry.n_sect;
+ Symbol.Flags = Entry.n_desc;
+ Symbol.Value = Entry.n_value;
}
void MachODumper::printFileHeaders() {
- W.startLine() << "FileHeaders not implemented.\n";
+ DictScope H(W, "MachHeader");
+ if (!Obj->is64Bit()) {
+ printFileHeaders(Obj->getHeader());
+ } else {
+ printFileHeaders(Obj->getHeader64());
+ W.printHex("Reserved", Obj->getHeader64().reserved);
+ }
+}
+
+template<class MachHeader>
+void MachODumper::printFileHeaders(const MachHeader &Header) {
+ W.printEnum("Magic", Header.magic, makeArrayRef(MachOMagics));
+ W.printEnum("CpuType", Header.cputype, makeArrayRef(MachOHeaderCpuTypes));
+ uint32_t subtype = Header.cpusubtype & ~MachO::CPU_SUBTYPE_MASK;
+ switch (Header.cputype) {
+ case MachO::CPU_TYPE_X86:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesX86));
+ break;
+ case MachO::CPU_TYPE_X86_64:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesX64));
+ break;
+ case MachO::CPU_TYPE_ARM:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesARM));
+ break;
+ case MachO::CPU_TYPE_POWERPC:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesPPC));
+ break;
+ case MachO::CPU_TYPE_SPARC:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesSPARC));
+ break;
+ case MachO::CPU_TYPE_ARM64:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesARM64));
+ break;
+ case MachO::CPU_TYPE_POWERPC64:
+ default:
+ W.printHex("CpuSubtype", subtype);
+ }
+ W.printEnum("FileType", Header.filetype, makeArrayRef(MachOHeaderFileTypes));
+ W.printNumber("NumOfLoadCommands", Header.ncmds);
+ W.printNumber("SizeOfLoadCommands", Header.sizeofcmds);
+ W.printFlags("Flags", Header.flags, makeArrayRef(MachOHeaderFlags));
}
void MachODumper::printSections() {
+ return printSections(Obj);
+}
+
+void MachODumper::printSections(const MachOObjectFile *Obj) {
ListScope Group(W, "Sections");
int SectionIndex = -1;
- error_code EC;
- for (section_iterator SecI = Obj->begin_sections(),
- SecE = Obj->end_sections();
- SecI != SecE; SecI.increment(EC)) {
- if (error(EC)) break;
-
+ for (const SectionRef &Section : Obj->sections()) {
++SectionIndex;
- MachOSection Section;
- getSection(Obj, SecI->getRawDataRefImpl(), Section);
- DataRefImpl DR = SecI->getRawDataRefImpl();
+ MachOSection MOSection;
+ getSection(Obj, Section.getRawDataRefImpl(), MOSection);
+ DataRefImpl DR = Section.getRawDataRefImpl();
StringRef Name;
- if (error(SecI->getName(Name)))
- Name = "";
+ error(Section.getName(Name));
ArrayRef<char> RawName = Obj->getSectionRawName(DR);
StringRef SegmentName = Obj->getSectionFinalSegmentName(DR);
W.printNumber("Index", SectionIndex);
W.printBinary("Name", Name, RawName);
W.printBinary("Segment", SegmentName, RawSegmentName);
- W.printHex ("Address", Section.Address);
- W.printHex ("Size", Section.Size);
- W.printNumber("Offset", Section.Offset);
- W.printNumber("Alignment", Section.Alignment);
- W.printHex ("RelocationOffset", Section.RelocationTableOffset);
- W.printNumber("RelocationCount", Section.NumRelocationTableEntries);
- W.printEnum ("Type", Section.Flags & 0xFF,
- makeArrayRef(MachOSectionAttributes));
- W.printFlags ("Attributes", Section.Flags >> 8,
- makeArrayRef(MachOSectionAttributes));
- W.printHex ("Reserved1", Section.Reserved1);
- W.printHex ("Reserved2", Section.Reserved2);
+ W.printHex("Address", MOSection.Address);
+ W.printHex("Size", MOSection.Size);
+ W.printNumber("Offset", MOSection.Offset);
+ W.printNumber("Alignment", MOSection.Alignment);
+ W.printHex("RelocationOffset", MOSection.RelocationTableOffset);
+ W.printNumber("RelocationCount", MOSection.NumRelocationTableEntries);
+ W.printEnum("Type", MOSection.Flags & 0xFF,
+ makeArrayRef(MachOSectionAttributes));
+ W.printFlags("Attributes", MOSection.Flags >> 8,
+ makeArrayRef(MachOSectionAttributes));
+ W.printHex("Reserved1", MOSection.Reserved1);
+ W.printHex("Reserved2", MOSection.Reserved2);
+ if (Obj->is64Bit())
+ W.printHex("Reserved3", MOSection.Reserved3);
if (opts::SectionRelocations) {
ListScope D(W, "Relocations");
- for (relocation_iterator RelI = SecI->begin_relocations(),
- RelE = SecI->end_relocations();
- RelI != RelE; RelI.increment(EC)) {
- if (error(EC)) break;
-
- printRelocation(SecI, RelI);
- }
+ for (const RelocationRef &Reloc : Section.relocations())
+ printRelocation(Reloc);
}
if (opts::SectionSymbols) {
ListScope D(W, "Symbols");
- for (symbol_iterator SymI = Obj->begin_symbols(),
- SymE = Obj->end_symbols();
- SymI != SymE; SymI.increment(EC)) {
- if (error(EC)) break;
-
- bool Contained = false;
- if (SecI->containsSymbol(*SymI, Contained) || !Contained)
+ for (const SymbolRef &Symbol : Obj->symbols()) {
+ if (!Section.containsSymbol(Symbol))
continue;
- printSymbol(SymI);
+ printSymbol(Symbol);
}
}
if (opts::SectionData) {
- StringRef Data;
- if (error(SecI->getContents(Data))) break;
+ bool IsBSS = Section.isBSS();
+ if (!IsBSS) {
+ StringRef Data;
+ error(Section.getContents(Data));
- W.printBinaryBlock("SectionData", Data);
+ W.printBinaryBlock("SectionData", Data);
+ }
}
}
}
void MachODumper::printRelocations() {
ListScope D(W, "Relocations");
- error_code EC;
- for (section_iterator SecI = Obj->begin_sections(),
- SecE = Obj->end_sections();
- SecI != SecE; SecI.increment(EC)) {
- if (error(EC)) break;
-
+ std::error_code EC;
+ for (const SectionRef &Section : Obj->sections()) {
StringRef Name;
- if (error(SecI->getName(Name)))
- continue;
+ error(Section.getName(Name));
bool PrintedGroup = false;
- for (relocation_iterator RelI = SecI->begin_relocations(),
- RelE = SecI->end_relocations();
- RelI != RelE; RelI.increment(EC)) {
- if (error(EC)) break;
-
+ for (const RelocationRef &Reloc : Section.relocations()) {
if (!PrintedGroup) {
W.startLine() << "Section " << Name << " {\n";
W.indent();
PrintedGroup = true;
}
- printRelocation(SecI, RelI);
+ printRelocation(Reloc);
}
if (PrintedGroup) {
}
}
-void MachODumper::printRelocation(section_iterator SecI,
- relocation_iterator RelI) {
- uint64_t Offset;
+void MachODumper::printRelocation(const RelocationRef &Reloc) {
+ return printRelocation(Obj, Reloc);
+}
+
+void MachODumper::printRelocation(const MachOObjectFile *Obj,
+ const RelocationRef &Reloc) {
+ uint64_t Offset = Reloc.getOffset();
SmallString<32> RelocName;
- int64_t Info;
- StringRef SymbolName;
- SymbolRef Symbol;
- if (error(RelI->getOffset(Offset))) return;
- if (error(RelI->getTypeName(RelocName))) return;
- if (error(RelI->getAdditionalInfo(Info))) return;
- if (error(RelI->getSymbol(Symbol))) return;
- if (error(Symbol.getName(SymbolName))) return;
-
- raw_ostream& OS = W.startLine();
- OS << W.hex(Offset)
- << " " << RelocName
- << " " << (SymbolName.size() > 0 ? SymbolName : "-")
- << " " << W.hex(Info)
- << "\n";
+ Reloc.getTypeName(RelocName);
+
+ DataRefImpl DR = Reloc.getRawDataRefImpl();
+ MachO::any_relocation_info RE = Obj->getRelocation(DR);
+ bool IsScattered = Obj->isRelocationScattered(RE);
+ bool IsExtern = !IsScattered && Obj->getPlainRelocationExternal(RE);
+
+ StringRef TargetName;
+ if (IsExtern) {
+ symbol_iterator Symbol = Reloc.getSymbol();
+ if (Symbol != Obj->symbol_end()) {
+ ErrorOr<StringRef> TargetNameOrErr = Symbol->getName();
+ error(TargetNameOrErr.getError());
+ TargetName = *TargetNameOrErr;
+ }
+ } else if (!IsScattered) {
+ section_iterator SecI = Obj->getRelocationSection(DR);
+ if (SecI != Obj->section_end()) {
+ error(SecI->getName(TargetName));
+ }
+ }
+ if (TargetName.empty())
+ TargetName = "-";
+
+ if (opts::ExpandRelocs) {
+ DictScope Group(W, "Relocation");
+ W.printHex("Offset", Offset);
+ W.printNumber("PCRel", Obj->getAnyRelocationPCRel(RE));
+ W.printNumber("Length", Obj->getAnyRelocationLength(RE));
+ W.printNumber("Type", RelocName, Obj->getAnyRelocationType(RE));
+ if (IsScattered) {
+ W.printHex("Value", Obj->getScatteredRelocationValue(RE));
+ } else {
+ const char *Kind = IsExtern ? "Symbol" : "Section";
+ W.printNumber(Kind, TargetName, Obj->getPlainRelocationSymbolNum(RE));
+ }
+ } else {
+ SmallString<32> SymbolNameOrOffset("0x");
+ if (IsScattered) {
+ // Scattered relocations don't really have an associated symbol for some
+ // reason, even if one exists in the symtab at the correct address.
+ SymbolNameOrOffset += utohexstr(Obj->getScatteredRelocationValue(RE));
+ } else {
+ SymbolNameOrOffset = TargetName;
+ }
+
+ raw_ostream& OS = W.startLine();
+ OS << W.hex(Offset)
+ << " " << Obj->getAnyRelocationPCRel(RE)
+ << " " << Obj->getAnyRelocationLength(RE);
+ if (IsScattered)
+ OS << " n/a";
+ else
+ OS << " " << Obj->getPlainRelocationExternal(RE);
+ OS << " " << RelocName
+ << " " << IsScattered
+ << " " << SymbolNameOrOffset
+ << "\n";
+ }
}
void MachODumper::printSymbols() {
ListScope Group(W, "Symbols");
- error_code EC;
- for (symbol_iterator SymI = Obj->begin_symbols(),
- SymE = Obj->end_symbols();
- SymI != SymE; SymI.increment(EC)) {
- if (error(EC)) break;
-
- printSymbol(SymI);
+ for (const SymbolRef &Symbol : Obj->symbols()) {
+ printSymbol(Symbol);
}
}
ListScope Group(W, "DynamicSymbols");
}
-void MachODumper::printSymbol(symbol_iterator SymI) {
- error_code EC;
-
+void MachODumper::printSymbol(const SymbolRef &Symbol) {
StringRef SymbolName;
- if (SymI->getName(SymbolName))
- SymbolName = "";
-
- const MachOObject *MachO = const_cast<MachOObjectFile*>(Obj)->getObject();
+ if (ErrorOr<StringRef> SymbolNameOrErr = Symbol.getName())
+ SymbolName = *SymbolNameOrErr;
- MachOSymbol Symbol;
- getSymbol(MachO, SymI->getRawDataRefImpl(), Symbol);
+ MachOSymbol MOSymbol;
+ getSymbol(Obj, Symbol.getRawDataRefImpl(), MOSymbol);
- StringRef SectionName;
- section_iterator SecI(Obj->end_sections());
- if (error(SymI->getSection(SecI)) ||
- error(SecI->getName(SectionName)))
- SectionName = "";
+ StringRef SectionName = "";
+ ErrorOr<section_iterator> SecIOrErr = Symbol.getSection();
+ error(SecIOrErr.getError());
+ section_iterator SecI = *SecIOrErr;
+ if (SecI != Obj->section_end())
+ error(SecI->getName(SectionName));
DictScope D(W, "Symbol");
- W.printNumber("Name", SymbolName, Symbol.StringIndex);
- if (Symbol.Type & N_STAB) {
- W.printHex ("Type", "SymDebugTable", Symbol.Type);
+ W.printNumber("Name", SymbolName, MOSymbol.StringIndex);
+ if (MOSymbol.Type & MachO::N_STAB) {
+ W.printHex("Type", "SymDebugTable", MOSymbol.Type);
} else {
- W.printEnum("Type", Symbol.Type, makeArrayRef(MachOSymbolTypes));
+ if (MOSymbol.Type & MachO::N_PEXT)
+ W.startLine() << "PrivateExtern\n";
+ if (MOSymbol.Type & MachO::N_EXT)
+ W.startLine() << "Extern\n";
+ W.printEnum("Type", uint8_t(MOSymbol.Type & MachO::N_TYPE),
+ makeArrayRef(MachOSymbolTypes));
}
- W.printHex ("Section", SectionName, Symbol.SectionIndex);
- W.printEnum ("RefType", static_cast<uint16_t>(Symbol.Flags & 0xF),
- makeArrayRef(MachOSymbolRefTypes));
- W.printFlags ("Flags", static_cast<uint16_t>(Symbol.Flags & ~0xF),
- makeArrayRef(MachOSymbolFlags));
- W.printHex ("Value", Symbol.Value);
+ W.printHex("Section", SectionName, MOSymbol.SectionIndex);
+ W.printEnum("RefType", static_cast<uint16_t>(MOSymbol.Flags & 0xF),
+ makeArrayRef(MachOSymbolRefTypes));
+ W.printFlags("Flags", static_cast<uint16_t>(MOSymbol.Flags & ~0xF),
+ makeArrayRef(MachOSymbolFlags));
+ W.printHex("Value", MOSymbol.Value);
}
void MachODumper::printUnwindInfo() {
W.startLine() << "UnwindInfo not implemented.\n";
}
+
+void MachODumper::printStackMap() const {
+ object::SectionRef StackMapSection;
+ for (auto Sec : Obj->sections()) {
+ StringRef Name;
+ Sec.getName(Name);
+ if (Name == "__llvm_stackmaps") {
+ StackMapSection = Sec;
+ break;
+ }
+ }
+
+ if (StackMapSection == object::SectionRef())
+ return;
+
+ StringRef StackMapContents;
+ StackMapSection.getContents(StackMapContents);
+ ArrayRef<uint8_t> StackMapContentsArray(
+ reinterpret_cast<const uint8_t*>(StackMapContents.data()),
+ StackMapContents.size());
+
+ if (Obj->isLittleEndian())
+ prettyPrintStackMap(
+ llvm::outs(),
+ StackMapV1Parser<support::little>(StackMapContentsArray));
+ else
+ prettyPrintStackMap(llvm::outs(),
+ StackMapV1Parser<support::big>(StackMapContentsArray));
+}
+
+void MachODumper::printMachODataInCode() {
+ for (const auto &Load : Obj->load_commands()) {
+ if (Load.C.cmd == MachO::LC_DATA_IN_CODE) {
+ MachO::linkedit_data_command LLC = Obj->getLinkeditDataLoadCommand(Load);
+ DictScope Group(W, "DataInCode");
+ W.printNumber("Data offset", LLC.dataoff);
+ W.printNumber("Data size", LLC.datasize);
+ ListScope D(W, "Data entries");
+ unsigned NumRegions = LLC.datasize / sizeof(MachO::data_in_code_entry);
+ for (unsigned i = 0; i < NumRegions; ++i) {
+ MachO::data_in_code_entry DICE = Obj->getDataInCodeTableEntry(
+ LLC.dataoff, i);
+ DictScope Group(W, "Entry");
+ W.printNumber("Index", i);
+ W.printNumber("Offset", DICE.offset);
+ W.printNumber("Length", DICE.length);
+ W.printNumber("Kind", DICE.kind);
+ }
+ }
+ }
+}
+
+void MachODumper::printMachOVersionMin() {
+ for (const auto &Load : Obj->load_commands()) {
+ if (Load.C.cmd == MachO::LC_VERSION_MIN_MACOSX ||
+ Load.C.cmd == MachO::LC_VERSION_MIN_IPHONEOS) {
+ MachO::version_min_command VMC = Obj->getVersionMinLoadCommand(Load);
+ DictScope Group(W, "MinVersion");
+ StringRef Cmd;
+ if (Load.C.cmd == MachO::LC_VERSION_MIN_MACOSX)
+ Cmd = "LC_VERSION_MIN_MACOSX";
+ else
+ Cmd = "LC_VERSION_MIN_IPHONEOS";
+ W.printString("Cmd", Cmd);
+ W.printNumber("Size", VMC.cmdsize);
+ SmallString<32> Version;
+ Version = utostr(MachOObjectFile::getVersionMinMajor(VMC, false)) + "." +
+ utostr(MachOObjectFile::getVersionMinMinor(VMC, false));
+ uint32_t Update = MachOObjectFile::getVersionMinUpdate(VMC, false);
+ if (Update != 0)
+ Version += "." + utostr(MachOObjectFile::getVersionMinUpdate(VMC,
+ false));
+ W.printString("Version", Version);
+ SmallString<32> SDK;
+ if (VMC.sdk == 0)
+ SDK = "n/a";
+ else {
+ SDK = utostr(MachOObjectFile::getVersionMinMajor(VMC, true)) + "." +
+ utostr(MachOObjectFile::getVersionMinMinor(VMC, true));
+ uint32_t Update = MachOObjectFile::getVersionMinUpdate(VMC, true);
+ if (Update != 0)
+ SDK += "." + utostr(MachOObjectFile::getVersionMinUpdate(VMC,
+ true));
+ }
+ W.printString("SDK", SDK);
+ }
+ }
+}
+
+void MachODumper::printMachODysymtab() {
+ for (const auto &Load : Obj->load_commands()) {
+ if (Load.C.cmd == MachO::LC_DYSYMTAB) {
+ MachO::dysymtab_command DLC = Obj->getDysymtabLoadCommand();
+ DictScope Group(W, "Dysymtab");
+ W.printNumber("ilocalsym", DLC.ilocalsym);
+ W.printNumber("nlocalsym", DLC.nlocalsym);
+ W.printNumber("iextdefsym", DLC.iextdefsym);
+ W.printNumber("nextdefsym", DLC.nextdefsym);
+ W.printNumber("iundefsym", DLC.iundefsym);
+ W.printNumber("nundefsym", DLC.nundefsym);
+ W.printNumber("tocoff", DLC.tocoff);
+ W.printNumber("ntoc", DLC.ntoc);
+ W.printNumber("modtaboff", DLC.modtaboff);
+ W.printNumber("nmodtab", DLC.nmodtab);
+ W.printNumber("extrefsymoff", DLC.extrefsymoff);
+ W.printNumber("nextrefsyms", DLC.nextrefsyms);
+ W.printNumber("indirectsymoff", DLC.indirectsymoff);
+ W.printNumber("nindirectsyms", DLC.nindirectsyms);
+ W.printNumber("extreloff", DLC.extreloff);
+ W.printNumber("nextrel", DLC.nextrel);
+ W.printNumber("locreloff", DLC.locreloff);
+ W.printNumber("nlocrel", DLC.nlocrel);
+ }
+ }
+}
+
+void MachODumper::printMachOSegment() {
+ for (const auto &Load : Obj->load_commands()) {
+ if (Load.C.cmd == MachO::LC_SEGMENT || Load.C.cmd == MachO::LC_SEGMENT_64) {
+ MachOSegment MOSegment;
+ getSegment(Obj, Load, MOSegment);
+ DictScope Group(W, "Segment");
+ W.printString("Cmd", MOSegment.CmdName);
+ W.printString("Name", MOSegment.SegName);
+ W.printNumber("Size", MOSegment.cmdsize);
+ W.printHex("vmaddr", MOSegment.vmaddr);
+ W.printHex("vmsize", MOSegment.vmsize);
+ W.printNumber("fileoff", MOSegment.fileoff);
+ W.printNumber("filesize", MOSegment.filesize);
+ W.printString("maxprot", getMask(MOSegment.maxprot));
+ W.printString("initprot", getMask(MOSegment.initprot));
+ W.printNumber("nsects", MOSegment.nsects);
+ W.printHex("flags", MOSegment.flags);
+ }
+ }
+}
+
+void MachODumper::printMachOIndirectSymbols() {
+ for (const auto &Load : Obj->load_commands()) {
+ if (Load.C.cmd == MachO::LC_DYSYMTAB) {
+ MachO::dysymtab_command DLC = Obj->getDysymtabLoadCommand();
+ DictScope Group(W, "Indirect Symbols");
+ W.printNumber("Number", DLC.nindirectsyms);
+ ListScope D(W, "Symbols");
+ for (unsigned i = 0; i < DLC.nindirectsyms; ++i) {
+ DictScope Group(W, "Entry");
+ W.printNumber("Entry Index", i);
+ W.printHex("Symbol Index", Obj->getIndirectSymbolTableEntry(DLC, i));
+ }
+ }
+ }
+}
+
+void MachODumper::printMachOLinkerOptions() {
+ for (const auto &Load : Obj->load_commands()) {
+ if (Load.C.cmd == MachO::LC_LINKER_OPTION) {
+ MachO::linker_option_command LOLC = Obj->getLinkerOptionLoadCommand(Load);
+ DictScope Group(W, "Linker Options");
+ W.printNumber("Size", LOLC.cmdsize);
+ ListScope D(W, "Strings");
+ uint64_t DataSize = LOLC.cmdsize - sizeof(MachO::linker_option_command);
+ const char *P = Load.Ptr + sizeof(MachO::linker_option_command);
+ StringRef Data(P, DataSize);
+ for (unsigned i = 0; i < LOLC.count; ++i) {
+ std::pair<StringRef,StringRef> Split = Data.split('\0');
+ W.printString("Value", Split.first);
+ Data = Split.second;
+ }
+ }
+ }
+}
projects / oota-llvm.git / blobdiff