1//===- MachODumper.cpp - Object file dumping utility for llvm -------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements the MachO-specific dumper for llvm-readobj.
10//
11//===----------------------------------------------------------------------===//
12
13#include "ObjDumper.h"
14#include "StackMapPrinter.h"
15#include "llvm-readobj.h"
16#include "llvm/ADT/SmallString.h"
17#include "llvm/ADT/StringExtras.h"
18#include "llvm/Object/MachO.h"
19#include "llvm/Support/BinaryStreamReader.h"
20#include "llvm/Support/Casting.h"
21#include "llvm/Support/ScopedPrinter.h"
22
23using namespace llvm;
24using namespace object;
25
26namespace {
27
28class MachODumper : public ObjDumper {
29public:
30 MachODumper(const MachOObjectFile *Obj, ScopedPrinter &Writer)
31 : ObjDumper(Writer, Obj->getFileName()), Obj(Obj) {}
32
33 void printFileHeaders() override;
34 void printSectionHeaders() override;
35 void printRelocations() override;
36 void printUnwindInfo() override;
37 void printStackMap() const override;
38 void printCGProfile() override;
39
40 void printNeededLibraries() override;
41
42 bool canCompareSymbols() const override { return true; }
43 bool compareSymbolsByName(object::SymbolRef LHS,
44 object::SymbolRef RHS) const override;
45 bool compareSymbolsByType(object::SymbolRef LHS,
46 object::SymbolRef RHS) const override;
47 // MachO-specific.
48 void printMachODataInCode() override;
49 void printMachOVersionMin() override;
50 void printMachODysymtab() override;
51 void printMachOSegment() override;
52 void printMachOIndirectSymbols() override;
53 void printMachOLinkerOptions () override;
54
55private:
56 template<class MachHeader>
57 void printFileHeaders(const MachHeader &Header);
58
59 StringRef getSymbolName(const SymbolRef &Symbol) const;
60 uint8_t getSymbolType(const SymbolRef &Symbol) const;
61
62 void printSymbols(bool ExtraSymInfo) override;
63 void printSymbols(std::optional<SymbolComparator> SymComp) override;
64 void printDynamicSymbols() override;
65 void printDynamicSymbols(std::optional<SymbolComparator> SymComp) override;
66 void printSymbol(const SymbolRef &Symbol, ScopedPrinter &W);
67 void printSymbol(const SymbolRef &Symbol);
68
69 void printRelocation(const RelocationRef &Reloc);
70
71 void printRelocation(const MachOObjectFile *Obj, const RelocationRef &Reloc);
72
73 void printSectionHeaders(const MachOObjectFile *Obj);
74
75 const MachOObjectFile *Obj;
76};
77
78} // namespace
79
80
81namespace llvm {
82
83std::unique_ptr<ObjDumper> createMachODumper(const object::MachOObjectFile &Obj,
84 ScopedPrinter &Writer) {
85 return std::make_unique<MachODumper>(args: &Obj, args&: Writer);
86}
87
88} // namespace llvm
89
90const EnumEntry<uint32_t> MachOMagics[] = {
91 { "Magic", MachO::MH_MAGIC },
92 { "Cigam", MachO::MH_CIGAM },
93 { "Magic64", MachO::MH_MAGIC_64 },
94 { "Cigam64", MachO::MH_CIGAM_64 },
95 { "FatMagic", MachO::FAT_MAGIC },
96 { "FatCigam", MachO::FAT_CIGAM },
97};
98
99const EnumEntry<uint32_t> MachOHeaderFileTypes[] = {
100 { "Relocatable", MachO::MH_OBJECT },
101 { "Executable", MachO::MH_EXECUTE },
102 { "FixedVMLibrary", MachO::MH_FVMLIB },
103 { "Core", MachO::MH_CORE },
104 { "PreloadedExecutable", MachO::MH_PRELOAD },
105 { "DynamicLibrary", MachO::MH_DYLIB },
106 { "DynamicLinker", MachO::MH_DYLINKER },
107 { "Bundle", MachO::MH_BUNDLE },
108 { "DynamicLibraryStub", MachO::MH_DYLIB_STUB },
109 { "DWARFSymbol", MachO::MH_DSYM },
110 { "KextBundle", MachO::MH_KEXT_BUNDLE },
111};
112
113// clang-format off
114const EnumEntry<uint32_t> MachOHeaderCpuTypes[] = {
115 { "Any" , static_cast<uint32_t>(MachO::CPU_TYPE_ANY) },
116 { "X86" , MachO::CPU_TYPE_X86 },
117 { "X86-64" , MachO::CPU_TYPE_X86_64 },
118 { "Mc98000" , MachO::CPU_TYPE_MC98000 },
119 { "Arm" , MachO::CPU_TYPE_ARM },
120 { "Arm64" , MachO::CPU_TYPE_ARM64 },
121 { "Arm64 (ILP32)", MachO::CPU_TYPE_ARM64_32 },
122 { "Sparc" , MachO::CPU_TYPE_SPARC },
123 { "PowerPC" , MachO::CPU_TYPE_POWERPC },
124 { "PowerPC64" , MachO::CPU_TYPE_POWERPC64 },
125};
126// clang-format on
127
128const EnumEntry<uint32_t> MachOHeaderCpuSubtypesX86[] = {
129 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_I386_ALL),
130 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_386),
131 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_486),
132 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_486SX),
133 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_586),
134 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTPRO),
135 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTII_M3),
136 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTII_M5),
137 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_CELERON),
138 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_CELERON_MOBILE),
139 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3),
140 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3_M),
141 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3_XEON),
142 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_M),
143 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_4),
144 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_4_M),
145 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ITANIUM),
146 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ITANIUM_2),
147 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_XEON),
148 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_XEON_MP),
149};
150
151const EnumEntry<uint32_t> MachOHeaderCpuSubtypesX64[] = {
152 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_64_ALL),
153 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_ARCH1),
154 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_64_H),
155};
156
157const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM[] = {
158 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_ALL),
159 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V4T),
160 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V6),
161 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V5),
162 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V5TEJ),
163 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_XSCALE),
164 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7),
165 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7S),
166 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7K),
167 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V6M),
168 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7M),
169 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7EM),
170};
171
172const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM64_32[] = {
173 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_32_V8),
174};
175
176const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM64[] = {
177 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_ALL),
178 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_V8),
179 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64E),
180};
181
182const EnumEntry<uint32_t> MachOHeaderCpuSubtypesSPARC[] = {
183 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_SPARC_ALL),
184};
185
186const EnumEntry<uint32_t> MachOHeaderCpuSubtypesPPC[] = {
187 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_ALL),
188 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_601),
189 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_602),
190 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603),
191 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603e),
192 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603ev),
193 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_604),
194 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_604e),
195 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_620),
196 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_750),
197 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_7400),
198 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_7450),
199 LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_970),
200};
201
202const EnumEntry<uint32_t> MachOHeaderFlags[] = {
203 LLVM_READOBJ_ENUM_ENT(MachO, MH_NOUNDEFS),
204 LLVM_READOBJ_ENUM_ENT(MachO, MH_INCRLINK),
205 LLVM_READOBJ_ENUM_ENT(MachO, MH_DYLDLINK),
206 LLVM_READOBJ_ENUM_ENT(MachO, MH_BINDATLOAD),
207 LLVM_READOBJ_ENUM_ENT(MachO, MH_PREBOUND),
208 LLVM_READOBJ_ENUM_ENT(MachO, MH_SPLIT_SEGS),
209 LLVM_READOBJ_ENUM_ENT(MachO, MH_LAZY_INIT),
210 LLVM_READOBJ_ENUM_ENT(MachO, MH_TWOLEVEL),
211 LLVM_READOBJ_ENUM_ENT(MachO, MH_FORCE_FLAT),
212 LLVM_READOBJ_ENUM_ENT(MachO, MH_NOMULTIDEFS),
213 LLVM_READOBJ_ENUM_ENT(MachO, MH_NOFIXPREBINDING),
214 LLVM_READOBJ_ENUM_ENT(MachO, MH_PREBINDABLE),
215 LLVM_READOBJ_ENUM_ENT(MachO, MH_ALLMODSBOUND),
216 LLVM_READOBJ_ENUM_ENT(MachO, MH_SUBSECTIONS_VIA_SYMBOLS),
217 LLVM_READOBJ_ENUM_ENT(MachO, MH_CANONICAL),
218 LLVM_READOBJ_ENUM_ENT(MachO, MH_WEAK_DEFINES),
219 LLVM_READOBJ_ENUM_ENT(MachO, MH_BINDS_TO_WEAK),
220 LLVM_READOBJ_ENUM_ENT(MachO, MH_ALLOW_STACK_EXECUTION),
221 LLVM_READOBJ_ENUM_ENT(MachO, MH_ROOT_SAFE),
222 LLVM_READOBJ_ENUM_ENT(MachO, MH_SETUID_SAFE),
223 LLVM_READOBJ_ENUM_ENT(MachO, MH_NO_REEXPORTED_DYLIBS),
224 LLVM_READOBJ_ENUM_ENT(MachO, MH_PIE),
225 LLVM_READOBJ_ENUM_ENT(MachO, MH_DEAD_STRIPPABLE_DYLIB),
226 LLVM_READOBJ_ENUM_ENT(MachO, MH_HAS_TLV_DESCRIPTORS),
227 LLVM_READOBJ_ENUM_ENT(MachO, MH_NO_HEAP_EXECUTION),
228 LLVM_READOBJ_ENUM_ENT(MachO, MH_APP_EXTENSION_SAFE),
229};
230
231const EnumEntry<unsigned> MachOSectionTypes[] = {
232 { "Regular" , MachO::S_REGULAR },
233 { "ZeroFill" , MachO::S_ZEROFILL },
234 { "CStringLiterals" , MachO::S_CSTRING_LITERALS },
235 { "4ByteLiterals" , MachO::S_4BYTE_LITERALS },
236 { "8ByteLiterals" , MachO::S_8BYTE_LITERALS },
237 { "LiteralPointers" , MachO::S_LITERAL_POINTERS },
238 { "NonLazySymbolPointers" , MachO::S_NON_LAZY_SYMBOL_POINTERS },
239 { "LazySymbolPointers" , MachO::S_LAZY_SYMBOL_POINTERS },
240 { "SymbolStubs" , MachO::S_SYMBOL_STUBS },
241 { "ModInitFuncPointers" , MachO::S_MOD_INIT_FUNC_POINTERS },
242 { "ModTermFuncPointers" , MachO::S_MOD_TERM_FUNC_POINTERS },
243 { "Coalesced" , MachO::S_COALESCED },
244 { "GBZeroFill" , MachO::S_GB_ZEROFILL },
245 { "Interposing" , MachO::S_INTERPOSING },
246 { "16ByteLiterals" , MachO::S_16BYTE_LITERALS },
247 { "DTraceDOF" , MachO::S_DTRACE_DOF },
248 { "LazyDylibSymbolPointers" , MachO::S_LAZY_DYLIB_SYMBOL_POINTERS },
249 { "ThreadLocalRegular" , MachO::S_THREAD_LOCAL_REGULAR },
250 { "ThreadLocalZerofill" , MachO::S_THREAD_LOCAL_ZEROFILL },
251 { "ThreadLocalVariables" , MachO::S_THREAD_LOCAL_VARIABLES },
252 { "ThreadLocalVariablePointers" , MachO::S_THREAD_LOCAL_VARIABLE_POINTERS },
253 { "ThreadLocalInitFunctionPointers", MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS }
254};
255
256const EnumEntry<unsigned> MachOSectionAttributes[] = {
257 { "LocReloc" , 1 << 0 /*S_ATTR_LOC_RELOC */ },
258 { "ExtReloc" , 1 << 1 /*S_ATTR_EXT_RELOC */ },
259 { "SomeInstructions" , 1 << 2 /*S_ATTR_SOME_INSTRUCTIONS */ },
260 { "Debug" , 1 << 17 /*S_ATTR_DEBUG */ },
261 { "SelfModifyingCode", 1 << 18 /*S_ATTR_SELF_MODIFYING_CODE*/ },
262 { "LiveSupport" , 1 << 19 /*S_ATTR_LIVE_SUPPORT */ },
263 { "NoDeadStrip" , 1 << 20 /*S_ATTR_NO_DEAD_STRIP */ },
264 { "StripStaticSyms" , 1 << 21 /*S_ATTR_STRIP_STATIC_SYMS */ },
265 { "NoTOC" , 1 << 22 /*S_ATTR_NO_TOC */ },
266 { "PureInstructions" , 1 << 23 /*S_ATTR_PURE_INSTRUCTIONS */ },
267};
268
269const EnumEntry<unsigned> MachOSymbolRefTypes[] = {
270 { "UndefinedNonLazy", 0 },
271 { "ReferenceFlagUndefinedLazy", 1 },
272 { "ReferenceFlagDefined", 2 },
273 { "ReferenceFlagPrivateDefined", 3 },
274 { "ReferenceFlagPrivateUndefinedNonLazy", 4 },
275 { "ReferenceFlagPrivateUndefinedLazy", 5 }
276};
277
278const EnumEntry<unsigned> MachOSymbolFlags[] = {
279 { "ThumbDef", 0x8 },
280 { "ReferencedDynamically", 0x10 },
281 { "NoDeadStrip", 0x20 },
282 { "WeakRef", 0x40 },
283 { "WeakDef", 0x80 },
284 { "SymbolResolver", 0x100 },
285 { "AltEntry", 0x200 },
286 { "ColdFunc", 0x400 },
287};
288
289const EnumEntry<unsigned> MachOSymbolTypes[] = {
290 { "Undef", 0x0 },
291 { "Abs", 0x2 },
292 { "Indirect", 0xA },
293 { "PreboundUndef", 0xC },
294 { "Section", 0xE }
295};
296
297namespace {
298 struct MachOSection {
299 ArrayRef<char> Name;
300 ArrayRef<char> SegmentName;
301 uint64_t Address;
302 uint64_t Size;
303 uint32_t Offset;
304 uint32_t Alignment;
305 uint32_t RelocationTableOffset;
306 uint32_t NumRelocationTableEntries;
307 uint32_t Flags;
308 uint32_t Reserved1;
309 uint32_t Reserved2;
310 uint32_t Reserved3;
311 };
312
313 struct MachOSegment {
314 std::string CmdName;
315 std::string SegName;
316 uint64_t cmdsize;
317 uint64_t vmaddr;
318 uint64_t vmsize;
319 uint64_t fileoff;
320 uint64_t filesize;
321 uint32_t maxprot;
322 uint32_t initprot;
323 uint32_t nsects;
324 uint32_t flags;
325 };
326
327 struct MachOSymbol {
328 uint32_t StringIndex;
329 uint8_t Type;
330 uint8_t SectionIndex;
331 uint16_t Flags;
332 uint64_t Value;
333 };
334}
335
336static std::string getMask(uint32_t prot)
337{
338 // TODO (davide): This always assumes prot is valid.
339 // Catch mistakes and report if needed.
340 std::string Prot;
341 Prot = "";
342 Prot += (prot & MachO::VM_PROT_READ) ? "r" : "-";
343 Prot += (prot & MachO::VM_PROT_WRITE) ? "w" : "-";
344 Prot += (prot & MachO::VM_PROT_EXECUTE) ? "x" : "-";
345 return Prot;
346}
347
348static void getSection(const MachOObjectFile *Obj,
349 DataRefImpl Sec,
350 MachOSection &Section) {
351 if (!Obj->is64Bit()) {
352 MachO::section Sect = Obj->getSection(DRI: Sec);
353 Section.Address = Sect.addr;
354 Section.Size = Sect.size;
355 Section.Offset = Sect.offset;
356 Section.Alignment = Sect.align;
357 Section.RelocationTableOffset = Sect.reloff;
358 Section.NumRelocationTableEntries = Sect.nreloc;
359 Section.Flags = Sect.flags;
360 Section.Reserved1 = Sect.reserved1;
361 Section.Reserved2 = Sect.reserved2;
362 return;
363 }
364 MachO::section_64 Sect = Obj->getSection64(DRI: Sec);
365 Section.Address = Sect.addr;
366 Section.Size = Sect.size;
367 Section.Offset = Sect.offset;
368 Section.Alignment = Sect.align;
369 Section.RelocationTableOffset = Sect.reloff;
370 Section.NumRelocationTableEntries = Sect.nreloc;
371 Section.Flags = Sect.flags;
372 Section.Reserved1 = Sect.reserved1;
373 Section.Reserved2 = Sect.reserved2;
374 Section.Reserved3 = Sect.reserved3;
375}
376
377static void getSegment(const MachOObjectFile *Obj,
378 const MachOObjectFile::LoadCommandInfo &L,
379 MachOSegment &Segment) {
380 if (!Obj->is64Bit()) {
381 MachO::segment_command SC = Obj->getSegmentLoadCommand(L);
382 Segment.CmdName = "LC_SEGMENT";
383 Segment.SegName = SC.segname;
384 Segment.cmdsize = SC.cmdsize;
385 Segment.vmaddr = SC.vmaddr;
386 Segment.vmsize = SC.vmsize;
387 Segment.fileoff = SC.fileoff;
388 Segment.filesize = SC.filesize;
389 Segment.maxprot = SC.maxprot;
390 Segment.initprot = SC.initprot;
391 Segment.nsects = SC.nsects;
392 Segment.flags = SC.flags;
393 return;
394 }
395 MachO::segment_command_64 SC = Obj->getSegment64LoadCommand(L);
396 Segment.CmdName = "LC_SEGMENT_64";
397 Segment.SegName = SC.segname;
398 Segment.cmdsize = SC.cmdsize;
399 Segment.vmaddr = SC.vmaddr;
400 Segment.vmsize = SC.vmsize;
401 Segment.fileoff = SC.fileoff;
402 Segment.filesize = SC.filesize;
403 Segment.maxprot = SC.maxprot;
404 Segment.initprot = SC.initprot;
405 Segment.nsects = SC.nsects;
406 Segment.flags = SC.flags;
407}
408
409static void getSymbol(const MachOObjectFile *Obj,
410 DataRefImpl DRI,
411 MachOSymbol &Symbol) {
412 if (!Obj->is64Bit()) {
413 MachO::nlist Entry = Obj->getSymbolTableEntry(DRI);
414 Symbol.StringIndex = Entry.n_strx;
415 Symbol.Type = Entry.n_type;
416 Symbol.SectionIndex = Entry.n_sect;
417 Symbol.Flags = Entry.n_desc;
418 Symbol.Value = Entry.n_value;
419 return;
420 }
421 MachO::nlist_64 Entry = Obj->getSymbol64TableEntry(DRI);
422 Symbol.StringIndex = Entry.n_strx;
423 Symbol.Type = Entry.n_type;
424 Symbol.SectionIndex = Entry.n_sect;
425 Symbol.Flags = Entry.n_desc;
426 Symbol.Value = Entry.n_value;
427}
428
429void MachODumper::printFileHeaders() {
430 DictScope H(W, "MachHeader");
431 if (!Obj->is64Bit()) {
432 printFileHeaders(Header: Obj->getHeader());
433 } else {
434 printFileHeaders(Header: Obj->getHeader64());
435 W.printHex(Label: "Reserved", Value: Obj->getHeader64().reserved);
436 }
437}
438
439template<class MachHeader>
440void MachODumper::printFileHeaders(const MachHeader &Header) {
441 W.printEnum("Magic", Header.magic, ArrayRef(MachOMagics));
442 W.printEnum("CpuType", Header.cputype, ArrayRef(MachOHeaderCpuTypes));
443 uint32_t subtype = Header.cpusubtype & ~MachO::CPU_SUBTYPE_MASK;
444 switch (Header.cputype) {
445 case MachO::CPU_TYPE_X86:
446 W.printEnum(Label: "CpuSubType", Value: subtype, EnumValues: ArrayRef(MachOHeaderCpuSubtypesX86));
447 break;
448 case MachO::CPU_TYPE_X86_64:
449 W.printEnum(Label: "CpuSubType", Value: subtype, EnumValues: ArrayRef(MachOHeaderCpuSubtypesX64));
450 break;
451 case MachO::CPU_TYPE_ARM:
452 W.printEnum(Label: "CpuSubType", Value: subtype, EnumValues: ArrayRef(MachOHeaderCpuSubtypesARM));
453 break;
454 case MachO::CPU_TYPE_POWERPC:
455 W.printEnum(Label: "CpuSubType", Value: subtype, EnumValues: ArrayRef(MachOHeaderCpuSubtypesPPC));
456 break;
457 case MachO::CPU_TYPE_SPARC:
458 W.printEnum(Label: "CpuSubType", Value: subtype, EnumValues: ArrayRef(MachOHeaderCpuSubtypesSPARC));
459 break;
460 case MachO::CPU_TYPE_ARM64:
461 W.printEnum(Label: "CpuSubType", Value: subtype, EnumValues: ArrayRef(MachOHeaderCpuSubtypesARM64));
462 break;
463 case MachO::CPU_TYPE_ARM64_32:
464 W.printEnum(Label: "CpuSubType", Value: subtype,
465 EnumValues: ArrayRef(MachOHeaderCpuSubtypesARM64_32));
466 break;
467 case MachO::CPU_TYPE_POWERPC64:
468 default:
469 W.printHex(Label: "CpuSubType", Value: subtype);
470 }
471 W.printEnum("FileType", Header.filetype, ArrayRef(MachOHeaderFileTypes));
472 W.printNumber("NumOfLoadCommands", Header.ncmds);
473 W.printNumber("SizeOfLoadCommands", Header.sizeofcmds);
474 W.printFlags("Flags", Header.flags, ArrayRef(MachOHeaderFlags));
475}
476
477void MachODumper::printSectionHeaders() { return printSectionHeaders(Obj); }
478
479void MachODumper::printSectionHeaders(const MachOObjectFile *Obj) {
480 ListScope Group(W, "Sections");
481
482 int SectionIndex = -1;
483 for (const SectionRef &Section : Obj->sections()) {
484 ++SectionIndex;
485
486 MachOSection MOSection;
487 getSection(Obj, Sec: Section.getRawDataRefImpl(), Section&: MOSection);
488 DataRefImpl DR = Section.getRawDataRefImpl();
489 StringRef Name = unwrapOrError(Input: Obj->getFileName(), EO: Section.getName());
490 ArrayRef<char> RawName = Obj->getSectionRawName(Sec: DR);
491 StringRef SegmentName = Obj->getSectionFinalSegmentName(Sec: DR);
492 ArrayRef<char> RawSegmentName = Obj->getSectionRawFinalSegmentName(Sec: DR);
493
494 DictScope SectionD(W, "Section");
495 W.printNumber(Label: "Index", Value: SectionIndex);
496 W.printBinary(Label: "Name", Str: Name, Value: RawName);
497 W.printBinary(Label: "Segment", Str: SegmentName, Value: RawSegmentName);
498 W.printHex(Label: "Address", Value: MOSection.Address);
499 W.printHex(Label: "Size", Value: MOSection.Size);
500 W.printNumber(Label: "Offset", Value: MOSection.Offset);
501 W.printNumber(Label: "Alignment", Value: MOSection.Alignment);
502 W.printHex(Label: "RelocationOffset", Value: MOSection.RelocationTableOffset);
503 W.printNumber(Label: "RelocationCount", Value: MOSection.NumRelocationTableEntries);
504 W.printEnum(Label: "Type", Value: MOSection.Flags & 0xFF, EnumValues: ArrayRef(MachOSectionTypes));
505 W.printFlags(Label: "Attributes", Value: MOSection.Flags >> 8,
506 Flags: ArrayRef(MachOSectionAttributes));
507 W.printHex(Label: "Reserved1", Value: MOSection.Reserved1);
508 W.printHex(Label: "Reserved2", Value: MOSection.Reserved2);
509 if (Obj->is64Bit())
510 W.printHex(Label: "Reserved3", Value: MOSection.Reserved3);
511
512 if (opts::SectionRelocations) {
513 ListScope D(W, "Relocations");
514 for (const RelocationRef &Reloc : Section.relocations())
515 printRelocation(Reloc);
516 }
517
518 if (opts::SectionSymbols) {
519 ListScope D(W, "Symbols");
520 for (const SymbolRef &Symbol : Obj->symbols()) {
521 if (!Section.containsSymbol(S: Symbol))
522 continue;
523
524 printSymbol(Symbol);
525 }
526 }
527
528 if (opts::SectionData && !Section.isBSS())
529 W.printBinaryBlock(Label: "SectionData", Value: unwrapOrError(Input: Obj->getFileName(),
530 EO: Section.getContents()));
531 }
532}
533
534void MachODumper::printRelocations() {
535 ListScope D(W, "Relocations");
536
537 std::error_code EC;
538 for (const SectionRef &Section : Obj->sections()) {
539 StringRef Name = unwrapOrError(Input: Obj->getFileName(), EO: Section.getName());
540 bool PrintedGroup = false;
541 for (const RelocationRef &Reloc : Section.relocations()) {
542 if (!PrintedGroup) {
543 W.startLine() << "Section " << Name << " {\n";
544 W.indent();
545 PrintedGroup = true;
546 }
547
548 printRelocation(Reloc);
549 }
550
551 if (PrintedGroup) {
552 W.unindent();
553 W.startLine() << "}\n";
554 }
555 }
556}
557
558void MachODumper::printRelocation(const RelocationRef &Reloc) {
559 return printRelocation(Obj, Reloc);
560}
561
562void MachODumper::printRelocation(const MachOObjectFile *Obj,
563 const RelocationRef &Reloc) {
564 uint64_t Offset = Reloc.getOffset();
565 SmallString<32> RelocName;
566 Reloc.getTypeName(Result&: RelocName);
567
568 DataRefImpl DR = Reloc.getRawDataRefImpl();
569 MachO::any_relocation_info RE = Obj->getRelocation(Rel: DR);
570 bool IsScattered = Obj->isRelocationScattered(RE);
571 bool IsExtern = !IsScattered && Obj->getPlainRelocationExternal(RE);
572
573 StringRef TargetName;
574 if (IsExtern) {
575 symbol_iterator Symbol = Reloc.getSymbol();
576 if (Symbol != Obj->symbol_end()) {
577 TargetName = getSymbolName(Symbol: *Symbol);
578 }
579 } else if (!IsScattered) {
580 section_iterator SecI = Obj->getRelocationSection(Rel: DR);
581 if (SecI != Obj->section_end())
582 TargetName = unwrapOrError(Input: Obj->getFileName(), EO: SecI->getName());
583 }
584 if (TargetName.empty())
585 TargetName = "-";
586
587 if (opts::ExpandRelocs) {
588 DictScope Group(W, "Relocation");
589 W.printHex(Label: "Offset", Value: Offset);
590 W.printNumber(Label: "PCRel", Value: Obj->getAnyRelocationPCRel(RE));
591 W.printNumber(Label: "Length", Value: Obj->getAnyRelocationLength(RE));
592 W.printNumber(Label: "Type", Str: RelocName, Value: Obj->getAnyRelocationType(RE));
593 if (IsScattered) {
594 W.printHex(Label: "Value", Value: Obj->getScatteredRelocationValue(RE));
595 } else {
596 const char *Kind = IsExtern ? "Symbol" : "Section";
597 W.printNumber(Label: Kind, Str: TargetName, Value: Obj->getPlainRelocationSymbolNum(RE));
598 }
599 } else {
600 SmallString<32> SymbolNameOrOffset("0x");
601 if (IsScattered) {
602 // Scattered relocations don't really have an associated symbol for some
603 // reason, even if one exists in the symtab at the correct address.
604 SymbolNameOrOffset += utohexstr(X: Obj->getScatteredRelocationValue(RE));
605 } else {
606 SymbolNameOrOffset = TargetName;
607 }
608
609 raw_ostream& OS = W.startLine();
610 OS << W.hex(Value: Offset)
611 << " " << Obj->getAnyRelocationPCRel(RE)
612 << " " << Obj->getAnyRelocationLength(RE);
613 if (IsScattered)
614 OS << " n/a";
615 else
616 OS << " " << Obj->getPlainRelocationExternal(RE);
617 OS << " " << RelocName
618 << " " << IsScattered
619 << " " << SymbolNameOrOffset
620 << "\n";
621 }
622}
623
624StringRef MachODumper::getSymbolName(const SymbolRef &Symbol) const {
625 Expected<StringRef> SymbolNameOrErr = Symbol.getName();
626 if (!SymbolNameOrErr) {
627 reportError(Err: SymbolNameOrErr.takeError(), Input: Obj->getFileName());
628 }
629 return *SymbolNameOrErr;
630}
631
632uint8_t MachODumper::getSymbolType(const SymbolRef &Symbol) const {
633 return Obj->is64Bit()
634 ? Obj->getSymbol64TableEntry(DRI: Symbol.getRawDataRefImpl()).n_type
635 : Obj->getSymbolTableEntry(DRI: Symbol.getRawDataRefImpl()).n_type;
636}
637
638bool MachODumper::compareSymbolsByName(SymbolRef LHS, SymbolRef RHS) const {
639 return getSymbolName(Symbol: LHS).str().compare(str: getSymbolName(Symbol: RHS).str()) < 0;
640}
641
642bool MachODumper::compareSymbolsByType(SymbolRef LHS, SymbolRef RHS) const {
643 return getSymbolType(Symbol: LHS) < getSymbolType(Symbol: RHS);
644}
645
646void MachODumper::printSymbols(bool /*ExtraSymInfo*/) {
647 printSymbols(SymComp: std::nullopt);
648}
649
650void MachODumper::printSymbols(std::optional<SymbolComparator> SymComp) {
651 ListScope Group(W, "Symbols");
652 if (SymComp) {
653 auto SymbolRange = Obj->symbols();
654 std::vector<SymbolRef> SortedSymbols(SymbolRange.begin(),
655 SymbolRange.end());
656 llvm::stable_sort(Range&: SortedSymbols, C: *SymComp);
657 for (SymbolRef Symbol : SortedSymbols)
658 printSymbol(Symbol);
659 } else {
660 for (const SymbolRef &Symbol : Obj->symbols()) {
661 printSymbol(Symbol);
662 }
663 }
664}
665
666void MachODumper::printDynamicSymbols() {
667 ListScope Group(W, "DynamicSymbols");
668}
669void MachODumper::printDynamicSymbols(std::optional<SymbolComparator> SymComp) {
670 ListScope Group(W, "DynamicSymbols");
671}
672
673void MachODumper::printSymbol(const SymbolRef &Symbol) {
674 printSymbol(Symbol, W);
675}
676
677void MachODumper::printSymbol(const SymbolRef &Symbol, ScopedPrinter &W) {
678 StringRef SymbolName = getSymbolName(Symbol);
679
680 MachOSymbol MOSymbol;
681 getSymbol(Obj, DRI: Symbol.getRawDataRefImpl(), Symbol&: MOSymbol);
682
683 StringRef SectionName = "";
684 // Don't ask a Mach-O STABS symbol for its section unless we know that
685 // STAB symbol's section field refers to a valid section index. Otherwise
686 // the symbol may error trying to load a section that does not exist.
687 // TODO: Add a whitelist of STABS symbol types that contain valid section
688 // indices.
689 if (!(MOSymbol.Type & MachO::N_STAB)) {
690 Expected<section_iterator> SecIOrErr = Symbol.getSection();
691 if (!SecIOrErr)
692 reportError(Err: SecIOrErr.takeError(), Input: Obj->getFileName());
693
694 section_iterator SecI = *SecIOrErr;
695 if (SecI != Obj->section_end())
696 SectionName = unwrapOrError(Input: Obj->getFileName(), EO: SecI->getName());
697 }
698
699 DictScope D(W, "Symbol");
700 W.printNumber(Label: "Name", Str: SymbolName, Value: MOSymbol.StringIndex);
701 if (MOSymbol.Type & MachO::N_STAB) {
702 W.printHex(Label: "Type", Str: "SymDebugTable", Value: MOSymbol.Type);
703 } else {
704 if (MOSymbol.Type & MachO::N_PEXT)
705 W.startLine() << "PrivateExtern\n";
706 if (MOSymbol.Type & MachO::N_EXT)
707 W.startLine() << "Extern\n";
708 W.printEnum(Label: "Type", Value: uint8_t(MOSymbol.Type & MachO::N_TYPE),
709 EnumValues: ArrayRef(MachOSymbolTypes));
710 }
711 W.printHex(Label: "Section", Str: SectionName, Value: MOSymbol.SectionIndex);
712 W.printEnum(Label: "RefType", Value: static_cast<uint16_t>(MOSymbol.Flags & 0x7),
713 EnumValues: ArrayRef(MachOSymbolRefTypes));
714 W.printFlags(Label: "Flags", Value: static_cast<uint16_t>(MOSymbol.Flags & ~0x7),
715 Flags: ArrayRef(MachOSymbolFlags));
716 W.printHex(Label: "Value", Value: MOSymbol.Value);
717}
718
719void MachODumper::printUnwindInfo() {
720 W.startLine() << "UnwindInfo not implemented.\n";
721}
722
723void MachODumper::printStackMap() const {
724 object::SectionRef StackMapSection;
725 for (auto Sec : Obj->sections()) {
726 StringRef Name;
727 if (Expected<StringRef> NameOrErr = Sec.getName())
728 Name = *NameOrErr;
729 else
730 consumeError(Err: NameOrErr.takeError());
731
732 if (Name == "__llvm_stackmaps") {
733 StackMapSection = Sec;
734 break;
735 }
736 }
737
738 if (StackMapSection == object::SectionRef())
739 return;
740
741 StringRef StackMapContents =
742 unwrapOrError(Input: Obj->getFileName(), EO: StackMapSection.getContents());
743 ArrayRef<uint8_t> StackMapContentsArray =
744 arrayRefFromStringRef(Input: StackMapContents);
745
746 if (Obj->isLittleEndian())
747 prettyPrintStackMap(
748 W, SMP: StackMapParser<llvm::endianness::little>(StackMapContentsArray));
749 else
750 prettyPrintStackMap(
751 W, SMP: StackMapParser<llvm::endianness::big>(StackMapContentsArray));
752}
753
754void MachODumper::printCGProfile() {
755 object::SectionRef CGProfileSection;
756 for (auto Sec : Obj->sections()) {
757 StringRef Name;
758 if (Expected<StringRef> NameOrErr = Sec.getName())
759 Name = *NameOrErr;
760 else
761 consumeError(Err: NameOrErr.takeError());
762
763 if (Name == "__cg_profile") {
764 CGProfileSection = Sec;
765 break;
766 }
767 }
768 if (CGProfileSection == object::SectionRef())
769 return;
770
771 StringRef CGProfileContents =
772 unwrapOrError(Input: Obj->getFileName(), EO: CGProfileSection.getContents());
773 BinaryStreamReader Reader(CGProfileContents, Obj->isLittleEndian()
774 ? llvm::endianness::little
775 : llvm::endianness::big);
776
777 ListScope L(W, "CGProfile");
778 while (!Reader.empty()) {
779 uint32_t FromIndex, ToIndex;
780 uint64_t Count;
781 if (Error Err = Reader.readInteger(Dest&: FromIndex))
782 reportError(Err: std::move(Err), Input: Obj->getFileName());
783 if (Error Err = Reader.readInteger(Dest&: ToIndex))
784 reportError(Err: std::move(Err), Input: Obj->getFileName());
785 if (Error Err = Reader.readInteger(Dest&: Count))
786 reportError(Err: std::move(Err), Input: Obj->getFileName());
787 DictScope D(W, "CGProfileEntry");
788 W.printNumber(Label: "From", Str: getSymbolName(Symbol: *Obj->getSymbolByIndex(Index: FromIndex)),
789 Value: FromIndex);
790 W.printNumber(Label: "To", Str: getSymbolName(Symbol: *Obj->getSymbolByIndex(Index: ToIndex)),
791 Value: ToIndex);
792 W.printNumber(Label: "Weight", Value: Count);
793 }
794}
795
796void MachODumper::printNeededLibraries() {
797 ListScope D(W, "NeededLibraries");
798
799 using LibsTy = std::vector<StringRef>;
800 LibsTy Libs;
801
802 for (const auto &Command : Obj->load_commands()) {
803 if (Command.C.cmd == MachO::LC_LOAD_DYLIB ||
804 Command.C.cmd == MachO::LC_ID_DYLIB ||
805 Command.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
806 Command.C.cmd == MachO::LC_REEXPORT_DYLIB ||
807 Command.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
808 Command.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) {
809 MachO::dylib_command Dl = Obj->getDylibIDLoadCommand(L: Command);
810 if (Dl.dylib.name < Dl.cmdsize) {
811 auto *P = static_cast<const char*>(Command.Ptr) + Dl.dylib.name;
812 Libs.push_back(x: P);
813 }
814 }
815 }
816
817 llvm::stable_sort(Range&: Libs);
818
819 for (const auto &L : Libs) {
820 W.startLine() << L << "\n";
821 }
822}
823
824void MachODumper::printMachODataInCode() {
825 for (const auto &Load : Obj->load_commands()) {
826 if (Load.C.cmd == MachO::LC_DATA_IN_CODE) {
827 MachO::linkedit_data_command LLC = Obj->getLinkeditDataLoadCommand(L: Load);
828 DictScope Group(W, "DataInCode");
829 W.printNumber(Label: "Data offset", Value: LLC.dataoff);
830 W.printNumber(Label: "Data size", Value: LLC.datasize);
831 ListScope D(W, "Data entries");
832 unsigned NumRegions = LLC.datasize / sizeof(MachO::data_in_code_entry);
833 for (unsigned i = 0; i < NumRegions; ++i) {
834 MachO::data_in_code_entry DICE = Obj->getDataInCodeTableEntry(
835 DataOffset: LLC.dataoff, Index: i);
836 DictScope Group(W, "Entry");
837 W.printNumber(Label: "Index", Value: i);
838 W.printNumber(Label: "Offset", Value: DICE.offset);
839 W.printNumber(Label: "Length", Value: DICE.length);
840 W.printNumber(Label: "Kind", Value: DICE.kind);
841 }
842 }
843 }
844}
845
846void MachODumper::printMachOVersionMin() {
847 for (const auto &Load : Obj->load_commands()) {
848 StringRef Cmd;
849 switch (Load.C.cmd) {
850 case MachO::LC_VERSION_MIN_MACOSX:
851 Cmd = "LC_VERSION_MIN_MACOSX";
852 break;
853 case MachO::LC_VERSION_MIN_IPHONEOS:
854 Cmd = "LC_VERSION_MIN_IPHONEOS";
855 break;
856 case MachO::LC_VERSION_MIN_TVOS:
857 Cmd = "LC_VERSION_MIN_TVOS";
858 break;
859 case MachO::LC_VERSION_MIN_WATCHOS:
860 Cmd = "LC_VERSION_MIN_WATCHOS";
861 break;
862 case MachO::LC_BUILD_VERSION:
863 Cmd = "LC_BUILD_VERSION";
864 break;
865 default:
866 continue;
867 }
868
869 DictScope Group(W, "MinVersion");
870 // Handle LC_BUILD_VERSION.
871 if (Load.C.cmd == MachO::LC_BUILD_VERSION) {
872 MachO::build_version_command BVC = Obj->getBuildVersionLoadCommand(L: Load);
873 W.printString(Label: "Cmd", Value: Cmd);
874 W.printNumber(Label: "Size", Value: BVC.cmdsize);
875 W.printString(Label: "Platform",
876 Value: MachOObjectFile::getBuildPlatform(platform: BVC.platform));
877 W.printString(Label: "Version", Value: MachOObjectFile::getVersionString(version: BVC.minos));
878 if (BVC.sdk)
879 W.printString(Label: "SDK", Value: MachOObjectFile::getVersionString(version: BVC.sdk));
880 else
881 W.printString(Label: "SDK", Value: StringRef("n/a"));
882 continue;
883 }
884
885 MachO::version_min_command VMC = Obj->getVersionMinLoadCommand(L: Load);
886 W.printString(Label: "Cmd", Value: Cmd);
887 W.printNumber(Label: "Size", Value: VMC.cmdsize);
888 SmallString<32> Version;
889 Version = utostr(X: MachOObjectFile::getVersionMinMajor(C&: VMC, SDK: false)) + "." +
890 utostr(X: MachOObjectFile::getVersionMinMinor(C&: VMC, SDK: false));
891 uint32_t Update = MachOObjectFile::getVersionMinUpdate(C&: VMC, SDK: false);
892 if (Update != 0)
893 Version += "." + utostr(X: MachOObjectFile::getVersionMinUpdate(C&: VMC, SDK: false));
894 W.printString(Label: "Version", Value: Version);
895 SmallString<32> SDK;
896 if (VMC.sdk == 0)
897 SDK = "n/a";
898 else {
899 SDK = utostr(X: MachOObjectFile::getVersionMinMajor(C&: VMC, SDK: true)) + "." +
900 utostr(X: MachOObjectFile::getVersionMinMinor(C&: VMC, SDK: true));
901 uint32_t Update = MachOObjectFile::getVersionMinUpdate(C&: VMC, SDK: true);
902 if (Update != 0)
903 SDK += "." + utostr(X: MachOObjectFile::getVersionMinUpdate(C&: VMC, SDK: true));
904 }
905 W.printString(Label: "SDK", Value: SDK);
906 }
907}
908
909void MachODumper::printMachODysymtab() {
910 for (const auto &Load : Obj->load_commands()) {
911 if (Load.C.cmd == MachO::LC_DYSYMTAB) {
912 MachO::dysymtab_command DLC = Obj->getDysymtabLoadCommand();
913 DictScope Group(W, "Dysymtab");
914 W.printNumber(Label: "ilocalsym", Value: DLC.ilocalsym);
915 W.printNumber(Label: "nlocalsym", Value: DLC.nlocalsym);
916 W.printNumber(Label: "iextdefsym", Value: DLC.iextdefsym);
917 W.printNumber(Label: "nextdefsym", Value: DLC.nextdefsym);
918 W.printNumber(Label: "iundefsym", Value: DLC.iundefsym);
919 W.printNumber(Label: "nundefsym", Value: DLC.nundefsym);
920 W.printNumber(Label: "tocoff", Value: DLC.tocoff);
921 W.printNumber(Label: "ntoc", Value: DLC.ntoc);
922 W.printNumber(Label: "modtaboff", Value: DLC.modtaboff);
923 W.printNumber(Label: "nmodtab", Value: DLC.nmodtab);
924 W.printNumber(Label: "extrefsymoff", Value: DLC.extrefsymoff);
925 W.printNumber(Label: "nextrefsyms", Value: DLC.nextrefsyms);
926 W.printNumber(Label: "indirectsymoff", Value: DLC.indirectsymoff);
927 W.printNumber(Label: "nindirectsyms", Value: DLC.nindirectsyms);
928 W.printNumber(Label: "extreloff", Value: DLC.extreloff);
929 W.printNumber(Label: "nextrel", Value: DLC.nextrel);
930 W.printNumber(Label: "locreloff", Value: DLC.locreloff);
931 W.printNumber(Label: "nlocrel", Value: DLC.nlocrel);
932 }
933 }
934}
935
936void MachODumper::printMachOSegment() {
937 for (const auto &Load : Obj->load_commands()) {
938 if (Load.C.cmd == MachO::LC_SEGMENT || Load.C.cmd == MachO::LC_SEGMENT_64) {
939 MachOSegment MOSegment;
940 getSegment(Obj, L: Load, Segment&: MOSegment);
941 DictScope Group(W, "Segment");
942 W.printString(Label: "Cmd", Value: MOSegment.CmdName);
943 W.printString(Label: "Name", Value: MOSegment.SegName);
944 W.printNumber(Label: "Size", Value: MOSegment.cmdsize);
945 W.printHex(Label: "vmaddr", Value: MOSegment.vmaddr);
946 W.printHex(Label: "vmsize", Value: MOSegment.vmsize);
947 W.printNumber(Label: "fileoff", Value: MOSegment.fileoff);
948 W.printNumber(Label: "filesize", Value: MOSegment.filesize);
949 W.printString(Label: "maxprot", Value: getMask(prot: MOSegment.maxprot));
950 W.printString(Label: "initprot", Value: getMask(prot: MOSegment.initprot));
951 W.printNumber(Label: "nsects", Value: MOSegment.nsects);
952 W.printHex(Label: "flags", Value: MOSegment.flags);
953 }
954 }
955}
956
957void MachODumper::printMachOIndirectSymbols() {
958 for (const auto &Load : Obj->load_commands()) {
959 if (Load.C.cmd == MachO::LC_DYSYMTAB) {
960 MachO::dysymtab_command DLC = Obj->getDysymtabLoadCommand();
961 DictScope Group(W, "Indirect Symbols");
962 W.printNumber(Label: "Number", Value: DLC.nindirectsyms);
963 ListScope D(W, "Symbols");
964 for (unsigned i = 0; i < DLC.nindirectsyms; ++i) {
965 DictScope Group(W, "Entry");
966 W.printNumber(Label: "Entry Index", Value: i);
967 W.printHex(Label: "Symbol Index", Value: Obj->getIndirectSymbolTableEntry(DLC, Index: i));
968 }
969 }
970 }
971}
972
973void MachODumper::printMachOLinkerOptions() {
974 for (const auto &Load : Obj->load_commands()) {
975 if (Load.C.cmd == MachO::LC_LINKER_OPTION) {
976 MachO::linker_option_command LOLC = Obj->getLinkerOptionLoadCommand(L: Load);
977 DictScope Group(W, "Linker Options");
978 W.printNumber(Label: "Size", Value: LOLC.cmdsize);
979 ListScope D(W, "Strings");
980 uint64_t DataSize = LOLC.cmdsize - sizeof(MachO::linker_option_command);
981 const char *P = Load.Ptr + sizeof(MachO::linker_option_command);
982 StringRef Data(P, DataSize);
983 for (unsigned i = 0; i < LOLC.count; ++i) {
984 std::pair<StringRef,StringRef> Split = Data.split(Separator: '\0');
985 W.printString(Label: "Value", Value: Split.first);
986 Data = Split.second;
987 }
988 }
989 }
990}
991