#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"
: ObjDumper(Writer)
, Obj(Obj) { }
- virtual void printFileHeaders() override;
- virtual void printSections() override;
- virtual void printRelocations() override;
- virtual void printSymbols() override;
- virtual void printDynamicSymbols() override;
- virtual void printUnwindInfo() override;
+ void printFileHeaders() override;
+ void printSections() override;
+ void printRelocations() override;
+ void printSymbols() override;
+ void printDynamicSymbols() override;
+ void printUnwindInfo() override;
+ void printStackMap() const override;
private:
+ template<class MachHeader>
+ void printFileHeaders(const MachHeader &Header);
+
void printSymbol(const SymbolRef &Symbol);
void printRelocation(const RelocationRef &Reloc);
} // 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<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> 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<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[] = {
}
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() {
DataRefImpl DR = Section.getRawDataRefImpl();
StringRef Name;
- if (error(Section.getName(Name)))
- Name = "";
+ error(Section.getName(Name));
ArrayRef<char> RawName = Obj->getSectionRawName(DR);
StringRef SegmentName = Obj->getSectionFinalSegmentName(DR);
if (opts::SectionSymbols) {
ListScope D(W, "Symbols");
for (const SymbolRef &Symbol : Obj->symbols()) {
- bool Contained = false;
- if (Section.containsSymbol(Symbol, Contained) || !Contained)
+ if (!Section.containsSymbol(Symbol))
continue;
printSymbol(Symbol);
}
if (opts::SectionData) {
- StringRef Data;
- if (error(Section.getContents(Data)))
- break;
+ bool IsBSS = Section.isBSS();
+ if (!IsBSS) {
+ StringRef Data;
+ error(Section.getContents(Data));
- W.printBinaryBlock("SectionData", Data);
+ W.printBinaryBlock("SectionData", Data);
+ }
}
}
}
std::error_code EC;
for (const SectionRef &Section : Obj->sections()) {
StringRef Name;
- if (error(Section.getName(Name)))
- continue;
+ error(Section.getName(Name));
bool PrintedGroup = false;
for (const RelocationRef &Reloc : Section.relocations()) {
void MachODumper::printRelocation(const MachOObjectFile *Obj,
const RelocationRef &Reloc) {
- uint64_t Offset;
+ uint64_t Offset = Reloc.getOffset();
SmallString<32> RelocName;
- if (error(Reloc.getOffset(Offset)))
- return;
- if (error(Reloc.getTypeName(RelocName)))
- return;
+ Reloc.getTypeName(RelocName);
DataRefImpl DR = Reloc.getRawDataRefImpl();
MachO::any_relocation_info RE = Obj->getRelocation(DR);
bool IsScattered = Obj->isRelocationScattered(RE);
- 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 {
+ bool IsExtern = !IsScattered && Obj->getPlainRelocationExternal(RE);
+
+ StringRef TargetName;
+ if (IsExtern) {
symbol_iterator Symbol = Reloc.getSymbol();
if (Symbol != Obj->symbol_end()) {
- StringRef SymbolName;
- if (error(Symbol->getName(SymbolName)))
- return;
- SymbolNameOrOffset = SymbolName;
- } else
- SymbolNameOrOffset += utohexstr(Obj->getPlainRelocationSymbolNum(RE));
+ 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));
- if (IsScattered)
- W.printString("Extern", StringRef("N/A"));
- else
- W.printNumber("Extern", Obj->getPlainRelocationExternal(RE));
W.printNumber("Type", RelocName, Obj->getAnyRelocationType(RE));
- W.printString("Symbol", SymbolNameOrOffset);
- W.printNumber("Scattered", IsScattered);
+ 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)
void MachODumper::printSymbol(const SymbolRef &Symbol) {
StringRef SymbolName;
- if (Symbol.getName(SymbolName))
- SymbolName = "";
+ if (ErrorOr<StringRef> SymbolNameOrErr = Symbol.getName())
+ SymbolName = *SymbolNameOrErr;
MachOSymbol MOSymbol;
getSymbol(Obj, Symbol.getRawDataRefImpl(), MOSymbol);
StringRef SectionName = "";
section_iterator SecI(Obj->section_begin());
- if (!error(Symbol.getSection(SecI)) && SecI != Obj->section_end())
+ error(Symbol.getSection(SecI));
+ if (SecI != Obj->section_end())
error(SecI->getName(SectionName));
DictScope D(W, "Symbol");
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));
+}
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