1 //===-- MachODump.cpp - Object file dumping utility for llvm --------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the MachO-specific dumper for llvm-readobj.
12 //===----------------------------------------------------------------------===//
14 #include "llvm-readobj.h"
16 #include "ObjDumper.h"
17 #include "StackMapPrinter.h"
18 #include "StreamWriter.h"
19 #include "llvm/ADT/SmallString.h"
20 #include "llvm/ADT/StringExtras.h"
21 #include "llvm/Object/MachO.h"
22 #include "llvm/Support/Casting.h"
25 using namespace object;
29 class MachODumper : public ObjDumper {
31 MachODumper(const MachOObjectFile *Obj, StreamWriter& Writer)
35 void printFileHeaders() override;
36 void printSections() override;
37 void printRelocations() override;
38 void printSymbols() override;
39 void printDynamicSymbols() override;
40 void printUnwindInfo() override;
41 void printStackMap() const override;
44 void printMachODataInCode() override;
45 void printMachOVersionMin() override;
46 void printMachODysymtab() override;
49 template<class MachHeader>
50 void printFileHeaders(const MachHeader &Header);
52 void printSymbol(const SymbolRef &Symbol);
54 void printRelocation(const RelocationRef &Reloc);
56 void printRelocation(const MachOObjectFile *Obj, const RelocationRef &Reloc);
58 void printSections(const MachOObjectFile *Obj);
60 const MachOObjectFile *Obj;
68 std::error_code createMachODumper(const object::ObjectFile *Obj,
70 std::unique_ptr<ObjDumper> &Result) {
71 const MachOObjectFile *MachOObj = dyn_cast<MachOObjectFile>(Obj);
73 return readobj_error::unsupported_obj_file_format;
75 Result.reset(new MachODumper(MachOObj, Writer));
76 return readobj_error::success;
81 static const EnumEntry<uint32_t> MachOMagics[] = {
82 { "Magic", MachO::MH_MAGIC },
83 { "Cigam", MachO::MH_CIGAM },
84 { "Magic64", MachO::MH_MAGIC_64 },
85 { "Cigam64", MachO::MH_CIGAM_64 },
86 { "FatMagic", MachO::FAT_MAGIC },
87 { "FatCigam", MachO::FAT_CIGAM },
90 static const EnumEntry<uint32_t> MachOHeaderFileTypes[] = {
91 { "Relocatable", MachO::MH_OBJECT },
92 { "Executable", MachO::MH_EXECUTE },
93 { "FixedVMLibrary", MachO::MH_FVMLIB },
94 { "Core", MachO::MH_CORE },
95 { "PreloadedExecutable", MachO::MH_PRELOAD },
96 { "DynamicLibrary", MachO::MH_DYLIB },
97 { "DynamicLinker", MachO::MH_DYLINKER },
98 { "Bundle", MachO::MH_BUNDLE },
99 { "DynamicLibraryStub", MachO::MH_DYLIB_STUB },
100 { "DWARFSymbol", MachO::MH_DSYM },
101 { "KextBundle", MachO::MH_KEXT_BUNDLE },
104 static const EnumEntry<uint32_t> MachOHeaderCpuTypes[] = {
105 { "Any" , static_cast<uint32_t>(MachO::CPU_TYPE_ANY) },
106 { "X86" , MachO::CPU_TYPE_X86 },
107 { "X86-64" , MachO::CPU_TYPE_X86_64 },
108 { "Mc98000" , MachO::CPU_TYPE_MC98000 },
109 { "Arm" , MachO::CPU_TYPE_ARM },
110 { "Arm64" , MachO::CPU_TYPE_ARM64 },
111 { "Sparc" , MachO::CPU_TYPE_SPARC },
112 { "PowerPC" , MachO::CPU_TYPE_POWERPC },
113 { "PowerPC64" , MachO::CPU_TYPE_POWERPC64 },
116 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesX86[] = {
117 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_I386_ALL),
118 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_386),
119 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_486),
120 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_486SX),
121 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_586),
122 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTPRO),
123 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTII_M3),
124 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTII_M5),
125 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_CELERON),
126 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_CELERON_MOBILE),
127 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3),
128 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3_M),
129 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3_XEON),
130 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_M),
131 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_4),
132 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_4_M),
133 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ITANIUM),
134 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ITANIUM_2),
135 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_XEON),
136 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_XEON_MP),
139 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesX64[] = {
140 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_64_ALL),
141 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_ARCH1),
142 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_64_H),
145 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM[] = {
146 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_ALL),
147 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V4T),
148 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V6),
149 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V5),
150 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V5TEJ),
151 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_XSCALE),
152 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7),
153 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7S),
154 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7K),
155 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V6M),
156 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7M),
157 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7EM),
160 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM64[] = {
161 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_ALL),
164 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesSPARC[] = {
165 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_SPARC_ALL),
168 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesPPC[] = {
169 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_ALL),
170 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_601),
171 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_602),
172 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603),
173 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603e),
174 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603ev),
175 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_604),
176 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_604e),
177 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_620),
178 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_750),
179 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_7400),
180 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_7450),
181 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_970),
184 static const EnumEntry<uint32_t> MachOHeaderFlags[] = {
185 LLVM_READOBJ_ENUM_ENT(MachO, MH_NOUNDEFS),
186 LLVM_READOBJ_ENUM_ENT(MachO, MH_INCRLINK),
187 LLVM_READOBJ_ENUM_ENT(MachO, MH_DYLDLINK),
188 LLVM_READOBJ_ENUM_ENT(MachO, MH_BINDATLOAD),
189 LLVM_READOBJ_ENUM_ENT(MachO, MH_PREBOUND),
190 LLVM_READOBJ_ENUM_ENT(MachO, MH_SPLIT_SEGS),
191 LLVM_READOBJ_ENUM_ENT(MachO, MH_LAZY_INIT),
192 LLVM_READOBJ_ENUM_ENT(MachO, MH_TWOLEVEL),
193 LLVM_READOBJ_ENUM_ENT(MachO, MH_FORCE_FLAT),
194 LLVM_READOBJ_ENUM_ENT(MachO, MH_NOMULTIDEFS),
195 LLVM_READOBJ_ENUM_ENT(MachO, MH_NOFIXPREBINDING),
196 LLVM_READOBJ_ENUM_ENT(MachO, MH_PREBINDABLE),
197 LLVM_READOBJ_ENUM_ENT(MachO, MH_ALLMODSBOUND),
198 LLVM_READOBJ_ENUM_ENT(MachO, MH_SUBSECTIONS_VIA_SYMBOLS),
199 LLVM_READOBJ_ENUM_ENT(MachO, MH_CANONICAL),
200 LLVM_READOBJ_ENUM_ENT(MachO, MH_WEAK_DEFINES),
201 LLVM_READOBJ_ENUM_ENT(MachO, MH_BINDS_TO_WEAK),
202 LLVM_READOBJ_ENUM_ENT(MachO, MH_ALLOW_STACK_EXECUTION),
203 LLVM_READOBJ_ENUM_ENT(MachO, MH_ROOT_SAFE),
204 LLVM_READOBJ_ENUM_ENT(MachO, MH_SETUID_SAFE),
205 LLVM_READOBJ_ENUM_ENT(MachO, MH_NO_REEXPORTED_DYLIBS),
206 LLVM_READOBJ_ENUM_ENT(MachO, MH_PIE),
207 LLVM_READOBJ_ENUM_ENT(MachO, MH_DEAD_STRIPPABLE_DYLIB),
208 LLVM_READOBJ_ENUM_ENT(MachO, MH_HAS_TLV_DESCRIPTORS),
209 LLVM_READOBJ_ENUM_ENT(MachO, MH_NO_HEAP_EXECUTION),
210 LLVM_READOBJ_ENUM_ENT(MachO, MH_APP_EXTENSION_SAFE),
213 static const EnumEntry<unsigned> MachOSectionAttributes[] = {
214 { "LocReloc" , 1 << 0 /*S_ATTR_LOC_RELOC */ },
215 { "ExtReloc" , 1 << 1 /*S_ATTR_EXT_RELOC */ },
216 { "SomeInstructions" , 1 << 2 /*S_ATTR_SOME_INSTRUCTIONS */ },
217 { "Debug" , 1 << 17 /*S_ATTR_DEBUG */ },
218 { "SelfModifyingCode", 1 << 18 /*S_ATTR_SELF_MODIFYING_CODE*/ },
219 { "LiveSupport" , 1 << 19 /*S_ATTR_LIVE_SUPPORT */ },
220 { "NoDeadStrip" , 1 << 20 /*S_ATTR_NO_DEAD_STRIP */ },
221 { "StripStaticSyms" , 1 << 21 /*S_ATTR_STRIP_STATIC_SYMS */ },
222 { "NoTOC" , 1 << 22 /*S_ATTR_NO_TOC */ },
223 { "PureInstructions" , 1 << 23 /*S_ATTR_PURE_INSTRUCTIONS */ },
226 static const EnumEntry<unsigned> MachOSymbolRefTypes[] = {
227 { "UndefinedNonLazy", 0 },
228 { "ReferenceFlagUndefinedLazy", 1 },
229 { "ReferenceFlagDefined", 2 },
230 { "ReferenceFlagPrivateDefined", 3 },
231 { "ReferenceFlagPrivateUndefinedNonLazy", 4 },
232 { "ReferenceFlagPrivateUndefinedLazy", 5 }
235 static const EnumEntry<unsigned> MachOSymbolFlags[] = {
236 { "ReferencedDynamically", 0x10 },
237 { "NoDeadStrip", 0x20 },
242 static const EnumEntry<unsigned> MachOSymbolTypes[] = {
246 { "PreboundUndef", 0xC },
251 struct MachOSection {
253 ArrayRef<char> SegmentName;
258 uint32_t RelocationTableOffset;
259 uint32_t NumRelocationTableEntries;
267 uint32_t StringIndex;
269 uint8_t SectionIndex;
275 static void getSection(const MachOObjectFile *Obj,
277 MachOSection &Section) {
278 if (!Obj->is64Bit()) {
279 MachO::section Sect = Obj->getSection(Sec);
280 Section.Address = Sect.addr;
281 Section.Size = Sect.size;
282 Section.Offset = Sect.offset;
283 Section.Alignment = Sect.align;
284 Section.RelocationTableOffset = Sect.reloff;
285 Section.NumRelocationTableEntries = Sect.nreloc;
286 Section.Flags = Sect.flags;
287 Section.Reserved1 = Sect.reserved1;
288 Section.Reserved2 = Sect.reserved2;
291 MachO::section_64 Sect = Obj->getSection64(Sec);
292 Section.Address = Sect.addr;
293 Section.Size = Sect.size;
294 Section.Offset = Sect.offset;
295 Section.Alignment = Sect.align;
296 Section.RelocationTableOffset = Sect.reloff;
297 Section.NumRelocationTableEntries = Sect.nreloc;
298 Section.Flags = Sect.flags;
299 Section.Reserved1 = Sect.reserved1;
300 Section.Reserved2 = Sect.reserved2;
301 Section.Reserved3 = Sect.reserved3;
305 static void getSymbol(const MachOObjectFile *Obj,
307 MachOSymbol &Symbol) {
308 if (!Obj->is64Bit()) {
309 MachO::nlist Entry = Obj->getSymbolTableEntry(DRI);
310 Symbol.StringIndex = Entry.n_strx;
311 Symbol.Type = Entry.n_type;
312 Symbol.SectionIndex = Entry.n_sect;
313 Symbol.Flags = Entry.n_desc;
314 Symbol.Value = Entry.n_value;
317 MachO::nlist_64 Entry = Obj->getSymbol64TableEntry(DRI);
318 Symbol.StringIndex = Entry.n_strx;
319 Symbol.Type = Entry.n_type;
320 Symbol.SectionIndex = Entry.n_sect;
321 Symbol.Flags = Entry.n_desc;
322 Symbol.Value = Entry.n_value;
325 void MachODumper::printFileHeaders() {
326 DictScope H(W, "MachHeader");
327 if (!Obj->is64Bit()) {
328 printFileHeaders(Obj->getHeader());
330 printFileHeaders(Obj->getHeader64());
331 W.printHex("Reserved", Obj->getHeader64().reserved);
335 template<class MachHeader>
336 void MachODumper::printFileHeaders(const MachHeader &Header) {
337 W.printEnum("Magic", Header.magic, makeArrayRef(MachOMagics));
338 W.printEnum("CpuType", Header.cputype, makeArrayRef(MachOHeaderCpuTypes));
339 uint32_t subtype = Header.cpusubtype & ~MachO::CPU_SUBTYPE_MASK;
340 switch (Header.cputype) {
341 case MachO::CPU_TYPE_X86:
342 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesX86));
344 case MachO::CPU_TYPE_X86_64:
345 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesX64));
347 case MachO::CPU_TYPE_ARM:
348 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesARM));
350 case MachO::CPU_TYPE_POWERPC:
351 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesPPC));
353 case MachO::CPU_TYPE_SPARC:
354 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesSPARC));
356 case MachO::CPU_TYPE_ARM64:
357 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesARM64));
359 case MachO::CPU_TYPE_POWERPC64:
361 W.printHex("CpuSubtype", subtype);
363 W.printEnum("FileType", Header.filetype, makeArrayRef(MachOHeaderFileTypes));
364 W.printNumber("NumOfLoadCommands", Header.ncmds);
365 W.printNumber("SizeOfLoadCommands", Header.sizeofcmds);
366 W.printFlags("Flags", Header.flags, makeArrayRef(MachOHeaderFlags));
369 void MachODumper::printSections() {
370 return printSections(Obj);
373 void MachODumper::printSections(const MachOObjectFile *Obj) {
374 ListScope Group(W, "Sections");
376 int SectionIndex = -1;
377 for (const SectionRef &Section : Obj->sections()) {
380 MachOSection MOSection;
381 getSection(Obj, Section.getRawDataRefImpl(), MOSection);
382 DataRefImpl DR = Section.getRawDataRefImpl();
385 error(Section.getName(Name));
387 ArrayRef<char> RawName = Obj->getSectionRawName(DR);
388 StringRef SegmentName = Obj->getSectionFinalSegmentName(DR);
389 ArrayRef<char> RawSegmentName = Obj->getSectionRawFinalSegmentName(DR);
391 DictScope SectionD(W, "Section");
392 W.printNumber("Index", SectionIndex);
393 W.printBinary("Name", Name, RawName);
394 W.printBinary("Segment", SegmentName, RawSegmentName);
395 W.printHex("Address", MOSection.Address);
396 W.printHex("Size", MOSection.Size);
397 W.printNumber("Offset", MOSection.Offset);
398 W.printNumber("Alignment", MOSection.Alignment);
399 W.printHex("RelocationOffset", MOSection.RelocationTableOffset);
400 W.printNumber("RelocationCount", MOSection.NumRelocationTableEntries);
401 W.printEnum("Type", MOSection.Flags & 0xFF,
402 makeArrayRef(MachOSectionAttributes));
403 W.printFlags("Attributes", MOSection.Flags >> 8,
404 makeArrayRef(MachOSectionAttributes));
405 W.printHex("Reserved1", MOSection.Reserved1);
406 W.printHex("Reserved2", MOSection.Reserved2);
408 W.printHex("Reserved3", MOSection.Reserved3);
410 if (opts::SectionRelocations) {
411 ListScope D(W, "Relocations");
412 for (const RelocationRef &Reloc : Section.relocations())
413 printRelocation(Reloc);
416 if (opts::SectionSymbols) {
417 ListScope D(W, "Symbols");
418 for (const SymbolRef &Symbol : Obj->symbols()) {
419 if (!Section.containsSymbol(Symbol))
426 if (opts::SectionData) {
427 bool IsBSS = Section.isBSS();
430 error(Section.getContents(Data));
432 W.printBinaryBlock("SectionData", Data);
438 void MachODumper::printRelocations() {
439 ListScope D(W, "Relocations");
442 for (const SectionRef &Section : Obj->sections()) {
444 error(Section.getName(Name));
446 bool PrintedGroup = false;
447 for (const RelocationRef &Reloc : Section.relocations()) {
449 W.startLine() << "Section " << Name << " {\n";
454 printRelocation(Reloc);
459 W.startLine() << "}\n";
464 void MachODumper::printRelocation(const RelocationRef &Reloc) {
465 return printRelocation(Obj, Reloc);
468 void MachODumper::printRelocation(const MachOObjectFile *Obj,
469 const RelocationRef &Reloc) {
470 uint64_t Offset = Reloc.getOffset();
471 SmallString<32> RelocName;
472 Reloc.getTypeName(RelocName);
474 DataRefImpl DR = Reloc.getRawDataRefImpl();
475 MachO::any_relocation_info RE = Obj->getRelocation(DR);
476 bool IsScattered = Obj->isRelocationScattered(RE);
477 bool IsExtern = !IsScattered && Obj->getPlainRelocationExternal(RE);
479 StringRef TargetName;
481 symbol_iterator Symbol = Reloc.getSymbol();
482 if (Symbol != Obj->symbol_end()) {
483 ErrorOr<StringRef> TargetNameOrErr = Symbol->getName();
484 error(TargetNameOrErr.getError());
485 TargetName = *TargetNameOrErr;
487 } else if (!IsScattered) {
488 section_iterator SecI = Obj->getRelocationSection(DR);
489 if (SecI != Obj->section_end()) {
490 error(SecI->getName(TargetName));
493 if (TargetName.empty())
496 if (opts::ExpandRelocs) {
497 DictScope Group(W, "Relocation");
498 W.printHex("Offset", Offset);
499 W.printNumber("PCRel", Obj->getAnyRelocationPCRel(RE));
500 W.printNumber("Length", Obj->getAnyRelocationLength(RE));
501 W.printNumber("Type", RelocName, Obj->getAnyRelocationType(RE));
503 W.printHex("Value", Obj->getScatteredRelocationValue(RE));
505 const char *Kind = IsExtern ? "Symbol" : "Section";
506 W.printNumber(Kind, TargetName, Obj->getPlainRelocationSymbolNum(RE));
509 SmallString<32> SymbolNameOrOffset("0x");
511 // Scattered relocations don't really have an associated symbol for some
512 // reason, even if one exists in the symtab at the correct address.
513 SymbolNameOrOffset += utohexstr(Obj->getScatteredRelocationValue(RE));
515 SymbolNameOrOffset = TargetName;
518 raw_ostream& OS = W.startLine();
520 << " " << Obj->getAnyRelocationPCRel(RE)
521 << " " << Obj->getAnyRelocationLength(RE);
525 OS << " " << Obj->getPlainRelocationExternal(RE);
526 OS << " " << RelocName
527 << " " << IsScattered
528 << " " << SymbolNameOrOffset
533 void MachODumper::printSymbols() {
534 ListScope Group(W, "Symbols");
536 for (const SymbolRef &Symbol : Obj->symbols()) {
541 void MachODumper::printDynamicSymbols() {
542 ListScope Group(W, "DynamicSymbols");
545 void MachODumper::printSymbol(const SymbolRef &Symbol) {
546 StringRef SymbolName;
547 if (ErrorOr<StringRef> SymbolNameOrErr = Symbol.getName())
548 SymbolName = *SymbolNameOrErr;
550 MachOSymbol MOSymbol;
551 getSymbol(Obj, Symbol.getRawDataRefImpl(), MOSymbol);
553 StringRef SectionName = "";
554 ErrorOr<section_iterator> SecIOrErr = Symbol.getSection();
555 error(SecIOrErr.getError());
556 section_iterator SecI = *SecIOrErr;
557 if (SecI != Obj->section_end())
558 error(SecI->getName(SectionName));
560 DictScope D(W, "Symbol");
561 W.printNumber("Name", SymbolName, MOSymbol.StringIndex);
562 if (MOSymbol.Type & MachO::N_STAB) {
563 W.printHex("Type", "SymDebugTable", MOSymbol.Type);
565 if (MOSymbol.Type & MachO::N_PEXT)
566 W.startLine() << "PrivateExtern\n";
567 if (MOSymbol.Type & MachO::N_EXT)
568 W.startLine() << "Extern\n";
569 W.printEnum("Type", uint8_t(MOSymbol.Type & MachO::N_TYPE),
570 makeArrayRef(MachOSymbolTypes));
572 W.printHex("Section", SectionName, MOSymbol.SectionIndex);
573 W.printEnum("RefType", static_cast<uint16_t>(MOSymbol.Flags & 0xF),
574 makeArrayRef(MachOSymbolRefTypes));
575 W.printFlags("Flags", static_cast<uint16_t>(MOSymbol.Flags & ~0xF),
576 makeArrayRef(MachOSymbolFlags));
577 W.printHex("Value", MOSymbol.Value);
580 void MachODumper::printUnwindInfo() {
581 W.startLine() << "UnwindInfo not implemented.\n";
584 void MachODumper::printStackMap() const {
585 object::SectionRef StackMapSection;
586 for (auto Sec : Obj->sections()) {
589 if (Name == "__llvm_stackmaps") {
590 StackMapSection = Sec;
595 if (StackMapSection == object::SectionRef())
598 StringRef StackMapContents;
599 StackMapSection.getContents(StackMapContents);
600 ArrayRef<uint8_t> StackMapContentsArray(
601 reinterpret_cast<const uint8_t*>(StackMapContents.data()),
602 StackMapContents.size());
604 if (Obj->isLittleEndian())
607 StackMapV1Parser<support::little>(StackMapContentsArray));
609 prettyPrintStackMap(llvm::outs(),
610 StackMapV1Parser<support::big>(StackMapContentsArray));
613 void MachODumper::printMachODataInCode() {
614 for (const auto &Load : Obj->load_commands()) {
615 if (Load.C.cmd == MachO::LC_DATA_IN_CODE) {
616 MachO::linkedit_data_command LLC = Obj->getLinkeditDataLoadCommand(Load);
617 DictScope Group(W, "DataInCode");
618 W.printNumber("Data offset", LLC.dataoff);
619 W.printNumber("Data size", LLC.datasize);
620 ListScope D(W, "Data entries");
621 unsigned NumRegions = LLC.datasize / sizeof(MachO::data_in_code_entry);
622 for (unsigned i = 0; i < NumRegions; ++i) {
623 MachO::data_in_code_entry DICE = Obj->getDataInCodeTableEntry(
625 DictScope Group(W, "Entry");
626 W.printNumber("Index", i);
627 W.printNumber("Offset", DICE.offset);
628 W.printNumber("Length", DICE.length);
629 W.printNumber("Kind", DICE.kind);
635 void MachODumper::printMachOVersionMin() {
636 for (const auto &Load : Obj->load_commands()) {
637 if (Load.C.cmd == MachO::LC_VERSION_MIN_MACOSX ||
638 Load.C.cmd == MachO::LC_VERSION_MIN_IPHONEOS) {
639 MachO::version_min_command VMC = Obj->getVersionMinLoadCommand(Load);
640 DictScope Group(W, "MinVersion");
642 if (Load.C.cmd == MachO::LC_VERSION_MIN_MACOSX)
643 Cmd = "LC_VERSION_MIN_MACOSX";
645 Cmd = "LC_VERSION_MIN_IPHONEOS";
646 W.printString("Cmd", Cmd);
647 W.printNumber("Size", VMC.cmdsize);
648 SmallString<32> Version;
649 Version = utostr(MachOObjectFile::getVersionMinMajor(VMC, false)) + "." +
650 utostr(MachOObjectFile::getVersionMinMinor(VMC, false));
651 uint32_t Update = MachOObjectFile::getVersionMinUpdate(VMC, false);
653 Version += "." + utostr(MachOObjectFile::getVersionMinUpdate(VMC,
655 W.printString("Version", Version);
660 SDK = utostr(MachOObjectFile::getVersionMinMajor(VMC, true)) + "." +
661 utostr(MachOObjectFile::getVersionMinMinor(VMC, true));
662 uint32_t Update = MachOObjectFile::getVersionMinUpdate(VMC, true);
664 SDK += "." + utostr(MachOObjectFile::getVersionMinUpdate(VMC,
667 W.printString("SDK", SDK);
672 void MachODumper::printMachODysymtab() {
673 for (const auto &Load : Obj->load_commands()) {
674 if (Load.C.cmd == MachO::LC_DYSYMTAB) {
675 MachO::dysymtab_command DLC = Obj->getDysymtabLoadCommand();
676 DictScope Group(W, "Dysymtab");
677 W.printNumber("ilocalsym", DLC.ilocalsym);
678 W.printNumber("nlocalsym", DLC.nlocalsym);
679 W.printNumber("iextdefsym", DLC.iextdefsym);
680 W.printNumber("nextdefsym", DLC.nextdefsym);
681 W.printNumber("iundefsym", DLC.iundefsym);
682 W.printNumber("nundefsym", DLC.nundefsym);
683 W.printNumber("tocoff", DLC.tocoff);
684 W.printNumber("ntoc", DLC.ntoc);
685 W.printNumber("modtaboff", DLC.modtaboff);
686 W.printNumber("nmodtab", DLC.nmodtab);
687 W.printNumber("extrefsymoff", DLC.extrefsymoff);
688 W.printNumber("nextrefsyms", DLC.nextrefsyms);
689 W.printNumber("indirectsymoff", DLC.indirectsymoff);
690 W.printNumber("nindirectsyms", DLC.nindirectsyms);
691 W.printNumber("extreloff", DLC.extreloff);
692 W.printNumber("nextrel", DLC.nextrel);
693 W.printNumber("locreloff", DLC.locreloff);
694 W.printNumber("nlocrel", DLC.nlocrel);