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 template<class MachHeader>
45 void printFileHeaders(const MachHeader &Header);
47 void printSymbol(const SymbolRef &Symbol);
49 void printRelocation(const RelocationRef &Reloc);
51 void printRelocation(const MachOObjectFile *Obj, const RelocationRef &Reloc);
53 void printSections(const MachOObjectFile *Obj);
55 const MachOObjectFile *Obj;
63 std::error_code createMachODumper(const object::ObjectFile *Obj,
65 std::unique_ptr<ObjDumper> &Result) {
66 const MachOObjectFile *MachOObj = dyn_cast<MachOObjectFile>(Obj);
68 return readobj_error::unsupported_obj_file_format;
70 Result.reset(new MachODumper(MachOObj, Writer));
71 return readobj_error::success;
76 static const EnumEntry<uint32_t> MachOMagics[] = {
77 { "Magic", MachO::MH_MAGIC },
78 { "Cigam", MachO::MH_CIGAM },
79 { "Magic64", MachO::MH_MAGIC_64 },
80 { "Cigam64", MachO::MH_CIGAM_64 },
81 { "FatMagic", MachO::FAT_MAGIC },
82 { "FatCigam", MachO::FAT_CIGAM },
85 static const EnumEntry<uint32_t> MachOHeaderFileTypes[] = {
86 { "Relocatable", MachO::MH_OBJECT },
87 { "Executable", MachO::MH_EXECUTE },
88 { "FixedVMLibrary", MachO::MH_FVMLIB },
89 { "Core", MachO::MH_CORE },
90 { "PreloadedExecutable", MachO::MH_PRELOAD },
91 { "DynamicLibrary", MachO::MH_DYLIB },
92 { "DynamicLinker", MachO::MH_DYLINKER },
93 { "Bundle", MachO::MH_BUNDLE },
94 { "DynamicLibraryStub", MachO::MH_DYLIB_STUB },
95 { "DWARFSymbol", MachO::MH_DSYM },
96 { "KextBundle", MachO::MH_KEXT_BUNDLE },
99 static const EnumEntry<uint32_t> MachOHeaderCpuTypes[] = {
100 { "Any" , static_cast<uint32_t>(MachO::CPU_TYPE_ANY) },
101 { "X86" , MachO::CPU_TYPE_X86 },
102 { "X86-64" , MachO::CPU_TYPE_X86_64 },
103 { "Mc98000" , MachO::CPU_TYPE_MC98000 },
104 { "Arm" , MachO::CPU_TYPE_ARM },
105 { "Arm64" , MachO::CPU_TYPE_ARM64 },
106 { "Sparc" , MachO::CPU_TYPE_SPARC },
107 { "PowerPC" , MachO::CPU_TYPE_POWERPC },
108 { "PowerPC64" , MachO::CPU_TYPE_POWERPC64 },
111 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesX86[] = {
112 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_I386_ALL),
113 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_386),
114 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_486),
115 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_486SX),
116 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_586),
117 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTPRO),
118 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTII_M3),
119 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTII_M5),
120 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_CELERON),
121 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_CELERON_MOBILE),
122 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3),
123 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3_M),
124 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3_XEON),
125 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_M),
126 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_4),
127 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_4_M),
128 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ITANIUM),
129 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ITANIUM_2),
130 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_XEON),
131 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_XEON_MP),
134 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesX64[] = {
135 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_64_ALL),
136 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_ARCH1),
137 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_64_H),
140 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM[] = {
141 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_ALL),
142 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V4T),
143 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V6),
144 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V5),
145 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V5TEJ),
146 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_XSCALE),
147 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7),
148 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7S),
149 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7K),
150 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V6M),
151 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7M),
152 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7EM),
155 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM64[] = {
156 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_ALL),
159 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesSPARC[] = {
160 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_SPARC_ALL),
163 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesPPC[] = {
164 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_ALL),
165 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_601),
166 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_602),
167 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603),
168 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603e),
169 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603ev),
170 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_604),
171 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_604e),
172 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_620),
173 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_750),
174 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_7400),
175 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_7450),
176 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_970),
179 static const EnumEntry<uint32_t> MachOHeaderFlags[] = {
180 LLVM_READOBJ_ENUM_ENT(MachO, MH_NOUNDEFS),
181 LLVM_READOBJ_ENUM_ENT(MachO, MH_INCRLINK),
182 LLVM_READOBJ_ENUM_ENT(MachO, MH_DYLDLINK),
183 LLVM_READOBJ_ENUM_ENT(MachO, MH_BINDATLOAD),
184 LLVM_READOBJ_ENUM_ENT(MachO, MH_PREBOUND),
185 LLVM_READOBJ_ENUM_ENT(MachO, MH_SPLIT_SEGS),
186 LLVM_READOBJ_ENUM_ENT(MachO, MH_LAZY_INIT),
187 LLVM_READOBJ_ENUM_ENT(MachO, MH_TWOLEVEL),
188 LLVM_READOBJ_ENUM_ENT(MachO, MH_FORCE_FLAT),
189 LLVM_READOBJ_ENUM_ENT(MachO, MH_NOMULTIDEFS),
190 LLVM_READOBJ_ENUM_ENT(MachO, MH_NOFIXPREBINDING),
191 LLVM_READOBJ_ENUM_ENT(MachO, MH_PREBINDABLE),
192 LLVM_READOBJ_ENUM_ENT(MachO, MH_ALLMODSBOUND),
193 LLVM_READOBJ_ENUM_ENT(MachO, MH_SUBSECTIONS_VIA_SYMBOLS),
194 LLVM_READOBJ_ENUM_ENT(MachO, MH_CANONICAL),
195 LLVM_READOBJ_ENUM_ENT(MachO, MH_WEAK_DEFINES),
196 LLVM_READOBJ_ENUM_ENT(MachO, MH_BINDS_TO_WEAK),
197 LLVM_READOBJ_ENUM_ENT(MachO, MH_ALLOW_STACK_EXECUTION),
198 LLVM_READOBJ_ENUM_ENT(MachO, MH_ROOT_SAFE),
199 LLVM_READOBJ_ENUM_ENT(MachO, MH_SETUID_SAFE),
200 LLVM_READOBJ_ENUM_ENT(MachO, MH_NO_REEXPORTED_DYLIBS),
201 LLVM_READOBJ_ENUM_ENT(MachO, MH_PIE),
202 LLVM_READOBJ_ENUM_ENT(MachO, MH_DEAD_STRIPPABLE_DYLIB),
203 LLVM_READOBJ_ENUM_ENT(MachO, MH_HAS_TLV_DESCRIPTORS),
204 LLVM_READOBJ_ENUM_ENT(MachO, MH_NO_HEAP_EXECUTION),
205 LLVM_READOBJ_ENUM_ENT(MachO, MH_APP_EXTENSION_SAFE),
208 static const EnumEntry<unsigned> MachOSectionAttributes[] = {
209 { "LocReloc" , 1 << 0 /*S_ATTR_LOC_RELOC */ },
210 { "ExtReloc" , 1 << 1 /*S_ATTR_EXT_RELOC */ },
211 { "SomeInstructions" , 1 << 2 /*S_ATTR_SOME_INSTRUCTIONS */ },
212 { "Debug" , 1 << 17 /*S_ATTR_DEBUG */ },
213 { "SelfModifyingCode", 1 << 18 /*S_ATTR_SELF_MODIFYING_CODE*/ },
214 { "LiveSupport" , 1 << 19 /*S_ATTR_LIVE_SUPPORT */ },
215 { "NoDeadStrip" , 1 << 20 /*S_ATTR_NO_DEAD_STRIP */ },
216 { "StripStaticSyms" , 1 << 21 /*S_ATTR_STRIP_STATIC_SYMS */ },
217 { "NoTOC" , 1 << 22 /*S_ATTR_NO_TOC */ },
218 { "PureInstructions" , 1 << 23 /*S_ATTR_PURE_INSTRUCTIONS */ },
221 static const EnumEntry<unsigned> MachOSymbolRefTypes[] = {
222 { "UndefinedNonLazy", 0 },
223 { "ReferenceFlagUndefinedLazy", 1 },
224 { "ReferenceFlagDefined", 2 },
225 { "ReferenceFlagPrivateDefined", 3 },
226 { "ReferenceFlagPrivateUndefinedNonLazy", 4 },
227 { "ReferenceFlagPrivateUndefinedLazy", 5 }
230 static const EnumEntry<unsigned> MachOSymbolFlags[] = {
231 { "ReferencedDynamically", 0x10 },
232 { "NoDeadStrip", 0x20 },
237 static const EnumEntry<unsigned> MachOSymbolTypes[] = {
241 { "PreboundUndef", 0xC },
246 struct MachOSection {
248 ArrayRef<char> SegmentName;
253 uint32_t RelocationTableOffset;
254 uint32_t NumRelocationTableEntries;
261 uint32_t StringIndex;
263 uint8_t SectionIndex;
269 static void getSection(const MachOObjectFile *Obj,
271 MachOSection &Section) {
272 if (!Obj->is64Bit()) {
273 MachO::section Sect = Obj->getSection(Sec);
274 Section.Address = Sect.addr;
275 Section.Size = Sect.size;
276 Section.Offset = Sect.offset;
277 Section.Alignment = Sect.align;
278 Section.RelocationTableOffset = Sect.reloff;
279 Section.NumRelocationTableEntries = Sect.nreloc;
280 Section.Flags = Sect.flags;
281 Section.Reserved1 = Sect.reserved1;
282 Section.Reserved2 = Sect.reserved2;
285 MachO::section_64 Sect = Obj->getSection64(Sec);
286 Section.Address = Sect.addr;
287 Section.Size = Sect.size;
288 Section.Offset = Sect.offset;
289 Section.Alignment = Sect.align;
290 Section.RelocationTableOffset = Sect.reloff;
291 Section.NumRelocationTableEntries = Sect.nreloc;
292 Section.Flags = Sect.flags;
293 Section.Reserved1 = Sect.reserved1;
294 Section.Reserved2 = Sect.reserved2;
298 static void getSymbol(const MachOObjectFile *Obj,
300 MachOSymbol &Symbol) {
301 if (!Obj->is64Bit()) {
302 MachO::nlist Entry = Obj->getSymbolTableEntry(DRI);
303 Symbol.StringIndex = Entry.n_strx;
304 Symbol.Type = Entry.n_type;
305 Symbol.SectionIndex = Entry.n_sect;
306 Symbol.Flags = Entry.n_desc;
307 Symbol.Value = Entry.n_value;
310 MachO::nlist_64 Entry = Obj->getSymbol64TableEntry(DRI);
311 Symbol.StringIndex = Entry.n_strx;
312 Symbol.Type = Entry.n_type;
313 Symbol.SectionIndex = Entry.n_sect;
314 Symbol.Flags = Entry.n_desc;
315 Symbol.Value = Entry.n_value;
318 void MachODumper::printFileHeaders() {
319 DictScope H(W, "MachHeader");
320 if (!Obj->is64Bit()) {
321 printFileHeaders(Obj->getHeader());
323 printFileHeaders(Obj->getHeader64());
324 W.printHex("Reserved", Obj->getHeader64().reserved);
328 template<class MachHeader>
329 void MachODumper::printFileHeaders(const MachHeader &Header) {
330 W.printEnum("Magic", Header.magic, makeArrayRef(MachOMagics));
331 W.printEnum("CpuType", Header.cputype, makeArrayRef(MachOHeaderCpuTypes));
332 uint32_t subtype = Header.cpusubtype & ~MachO::CPU_SUBTYPE_MASK;
333 switch (Header.cputype) {
334 case MachO::CPU_TYPE_X86:
335 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesX86));
337 case MachO::CPU_TYPE_X86_64:
338 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesX64));
340 case MachO::CPU_TYPE_ARM:
341 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesARM));
343 case MachO::CPU_TYPE_POWERPC:
344 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesPPC));
346 case MachO::CPU_TYPE_SPARC:
347 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesSPARC));
349 case MachO::CPU_TYPE_ARM64:
350 W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesARM64));
352 case MachO::CPU_TYPE_POWERPC64:
354 W.printHex("CpuSubtype", subtype);
356 W.printEnum("FileType", Header.filetype, makeArrayRef(MachOHeaderFileTypes));
357 W.printNumber("NumOfLoadCommands", Header.ncmds);
358 W.printNumber("SizeOfLoadCommands", Header.sizeofcmds);
359 W.printFlags("Flags", Header.flags, makeArrayRef(MachOHeaderFlags));
362 void MachODumper::printSections() {
363 return printSections(Obj);
366 void MachODumper::printSections(const MachOObjectFile *Obj) {
367 ListScope Group(W, "Sections");
369 int SectionIndex = -1;
370 for (const SectionRef &Section : Obj->sections()) {
373 MachOSection MOSection;
374 getSection(Obj, Section.getRawDataRefImpl(), MOSection);
375 DataRefImpl DR = Section.getRawDataRefImpl();
378 error(Section.getName(Name));
380 ArrayRef<char> RawName = Obj->getSectionRawName(DR);
381 StringRef SegmentName = Obj->getSectionFinalSegmentName(DR);
382 ArrayRef<char> RawSegmentName = Obj->getSectionRawFinalSegmentName(DR);
384 DictScope SectionD(W, "Section");
385 W.printNumber("Index", SectionIndex);
386 W.printBinary("Name", Name, RawName);
387 W.printBinary("Segment", SegmentName, RawSegmentName);
388 W.printHex("Address", MOSection.Address);
389 W.printHex("Size", MOSection.Size);
390 W.printNumber("Offset", MOSection.Offset);
391 W.printNumber("Alignment", MOSection.Alignment);
392 W.printHex("RelocationOffset", MOSection.RelocationTableOffset);
393 W.printNumber("RelocationCount", MOSection.NumRelocationTableEntries);
394 W.printEnum("Type", MOSection.Flags & 0xFF,
395 makeArrayRef(MachOSectionAttributes));
396 W.printFlags("Attributes", MOSection.Flags >> 8,
397 makeArrayRef(MachOSectionAttributes));
398 W.printHex("Reserved1", MOSection.Reserved1);
399 W.printHex("Reserved2", MOSection.Reserved2);
401 if (opts::SectionRelocations) {
402 ListScope D(W, "Relocations");
403 for (const RelocationRef &Reloc : Section.relocations())
404 printRelocation(Reloc);
407 if (opts::SectionSymbols) {
408 ListScope D(W, "Symbols");
409 for (const SymbolRef &Symbol : Obj->symbols()) {
410 if (!Section.containsSymbol(Symbol))
417 if (opts::SectionData) {
418 bool IsBSS = Section.isBSS();
421 error(Section.getContents(Data));
423 W.printBinaryBlock("SectionData", Data);
429 void MachODumper::printRelocations() {
430 ListScope D(W, "Relocations");
433 for (const SectionRef &Section : Obj->sections()) {
435 error(Section.getName(Name));
437 bool PrintedGroup = false;
438 for (const RelocationRef &Reloc : Section.relocations()) {
440 W.startLine() << "Section " << Name << " {\n";
445 printRelocation(Reloc);
450 W.startLine() << "}\n";
455 void MachODumper::printRelocation(const RelocationRef &Reloc) {
456 return printRelocation(Obj, Reloc);
459 void MachODumper::printRelocation(const MachOObjectFile *Obj,
460 const RelocationRef &Reloc) {
461 uint64_t Offset = Reloc.getOffset();
462 SmallString<32> RelocName;
463 Reloc.getTypeName(RelocName);
465 DataRefImpl DR = Reloc.getRawDataRefImpl();
466 MachO::any_relocation_info RE = Obj->getRelocation(DR);
467 bool IsScattered = Obj->isRelocationScattered(RE);
468 bool IsExtern = !IsScattered && Obj->getPlainRelocationExternal(RE);
470 StringRef TargetName;
472 symbol_iterator Symbol = Reloc.getSymbol();
473 if (Symbol != Obj->symbol_end()) {
474 ErrorOr<StringRef> TargetNameOrErr = Symbol->getName();
475 error(TargetNameOrErr.getError());
476 TargetName = *TargetNameOrErr;
478 } else if (!IsScattered) {
479 section_iterator SecI = Obj->getRelocationSection(DR);
480 if (SecI != Obj->section_end()) {
481 error(SecI->getName(TargetName));
484 if (TargetName.empty())
487 if (opts::ExpandRelocs) {
488 DictScope Group(W, "Relocation");
489 W.printHex("Offset", Offset);
490 W.printNumber("PCRel", Obj->getAnyRelocationPCRel(RE));
491 W.printNumber("Length", Obj->getAnyRelocationLength(RE));
492 W.printNumber("Type", RelocName, Obj->getAnyRelocationType(RE));
494 W.printHex("Value", Obj->getScatteredRelocationValue(RE));
496 const char *Kind = IsExtern ? "Symbol" : "Section";
497 W.printNumber(Kind, TargetName, Obj->getPlainRelocationSymbolNum(RE));
500 SmallString<32> SymbolNameOrOffset("0x");
502 // Scattered relocations don't really have an associated symbol for some
503 // reason, even if one exists in the symtab at the correct address.
504 SymbolNameOrOffset += utohexstr(Obj->getScatteredRelocationValue(RE));
506 SymbolNameOrOffset = TargetName;
509 raw_ostream& OS = W.startLine();
511 << " " << Obj->getAnyRelocationPCRel(RE)
512 << " " << Obj->getAnyRelocationLength(RE);
516 OS << " " << Obj->getPlainRelocationExternal(RE);
517 OS << " " << RelocName
518 << " " << IsScattered
519 << " " << SymbolNameOrOffset
524 void MachODumper::printSymbols() {
525 ListScope Group(W, "Symbols");
527 for (const SymbolRef &Symbol : Obj->symbols()) {
532 void MachODumper::printDynamicSymbols() {
533 ListScope Group(W, "DynamicSymbols");
536 void MachODumper::printSymbol(const SymbolRef &Symbol) {
537 StringRef SymbolName;
538 if (ErrorOr<StringRef> SymbolNameOrErr = Symbol.getName())
539 SymbolName = *SymbolNameOrErr;
541 MachOSymbol MOSymbol;
542 getSymbol(Obj, Symbol.getRawDataRefImpl(), MOSymbol);
544 StringRef SectionName = "";
545 section_iterator SecI(Obj->section_begin());
546 error(Symbol.getSection(SecI));
547 if (SecI != Obj->section_end())
548 error(SecI->getName(SectionName));
550 DictScope D(W, "Symbol");
551 W.printNumber("Name", SymbolName, MOSymbol.StringIndex);
552 if (MOSymbol.Type & MachO::N_STAB) {
553 W.printHex("Type", "SymDebugTable", MOSymbol.Type);
555 if (MOSymbol.Type & MachO::N_PEXT)
556 W.startLine() << "PrivateExtern\n";
557 if (MOSymbol.Type & MachO::N_EXT)
558 W.startLine() << "Extern\n";
559 W.printEnum("Type", uint8_t(MOSymbol.Type & MachO::N_TYPE),
560 makeArrayRef(MachOSymbolTypes));
562 W.printHex("Section", SectionName, MOSymbol.SectionIndex);
563 W.printEnum("RefType", static_cast<uint16_t>(MOSymbol.Flags & 0xF),
564 makeArrayRef(MachOSymbolRefTypes));
565 W.printFlags("Flags", static_cast<uint16_t>(MOSymbol.Flags & ~0xF),
566 makeArrayRef(MachOSymbolFlags));
567 W.printHex("Value", MOSymbol.Value);
570 void MachODumper::printUnwindInfo() {
571 W.startLine() << "UnwindInfo not implemented.\n";
574 void MachODumper::printStackMap() const {
575 object::SectionRef StackMapSection;
576 for (auto Sec : Obj->sections()) {
579 if (Name == "__llvm_stackmaps") {
580 StackMapSection = Sec;
585 if (StackMapSection == object::SectionRef())
588 StringRef StackMapContents;
589 StackMapSection.getContents(StackMapContents);
590 ArrayRef<uint8_t> StackMapContentsArray(
591 reinterpret_cast<const uint8_t*>(StackMapContents.data()),
592 StackMapContents.size());
594 if (Obj->isLittleEndian())
597 StackMapV1Parser<support::little>(StackMapContentsArray));
599 prettyPrintStackMap(llvm::outs(),
600 StackMapV1Parser<support::big>(StackMapContentsArray));