1 //===-- COFFDumper.cpp - COFF-specific dumper -------------------*- C++ -*-===//
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 //===----------------------------------------------------------------------===//
11 /// \brief This file implements the COFF-specific dumper for llvm-readobj.
13 //===----------------------------------------------------------------------===//
15 #include "llvm-readobj.h"
16 #include "ARMWinEHPrinter.h"
18 #include "ObjDumper.h"
19 #include "StackMapPrinter.h"
20 #include "StreamWriter.h"
21 #include "Win64EHDumper.h"
22 #include "llvm/ADT/DenseMap.h"
23 #include "llvm/ADT/SmallString.h"
24 #include "llvm/ADT/StringExtras.h"
25 #include "llvm/Object/COFF.h"
26 #include "llvm/Object/ObjectFile.h"
27 #include "llvm/Support/COFF.h"
28 #include "llvm/Support/Casting.h"
29 #include "llvm/Support/Compiler.h"
30 #include "llvm/Support/DataExtractor.h"
31 #include "llvm/Support/Format.h"
32 #include "llvm/Support/SourceMgr.h"
33 #include "llvm/Support/Win64EH.h"
34 #include "llvm/Support/raw_ostream.h"
37 #include <system_error>
41 using namespace llvm::object;
42 using namespace llvm::Win64EH;
46 class COFFDumper : public ObjDumper {
48 COFFDumper(const llvm::object::COFFObjectFile *Obj, StreamWriter& Writer)
53 void printFileHeaders() override;
54 void printSections() override;
55 void printRelocations() override;
56 void printSymbols() override;
57 void printDynamicSymbols() override;
58 void printUnwindInfo() override;
59 void printCOFFImports() override;
60 void printCOFFExports() override;
61 void printCOFFDirectives() override;
62 void printCOFFBaseReloc() override;
63 void printStackMap() const override;
65 void printSymbol(const SymbolRef &Sym);
66 void printRelocation(const SectionRef &Section, const RelocationRef &Reloc);
67 void printDataDirectory(uint32_t Index, const std::string &FieldName);
69 void printDOSHeader(const dos_header *DH);
70 template <class PEHeader> void printPEHeader(const PEHeader *Hdr);
71 void printBaseOfDataField(const pe32_header *Hdr);
72 void printBaseOfDataField(const pe32plus_header *Hdr);
74 void printCodeViewDebugInfo(const SectionRef &Section);
76 void printCodeViewSymbolsSubsection(StringRef Subsection,
77 const SectionRef &Section,
80 void cacheRelocations();
82 std::error_code resolveSymbol(const coff_section *Section, uint64_t Offset,
84 std::error_code resolveSymbolName(const coff_section *Section,
85 uint64_t Offset, StringRef &Name);
86 void printImportedSymbols(iterator_range<imported_symbol_iterator> Range);
87 void printDelayImportedSymbols(
88 const DelayImportDirectoryEntryRef &I,
89 iterator_range<imported_symbol_iterator> Range);
91 typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy;
93 const llvm::object::COFFObjectFile *Obj;
94 bool RelocCached = false;
96 StringRef CVFileIndexToStringOffsetTable;
97 StringRef CVStringTable;
105 std::error_code createCOFFDumper(const object::ObjectFile *Obj,
106 StreamWriter &Writer,
107 std::unique_ptr<ObjDumper> &Result) {
108 const COFFObjectFile *COFFObj = dyn_cast<COFFObjectFile>(Obj);
110 return readobj_error::unsupported_obj_file_format;
112 Result.reset(new COFFDumper(COFFObj, Writer));
113 return readobj_error::success;
118 // Given a a section and an offset into this section the function returns the
119 // symbol used for the relocation at the offset.
120 std::error_code COFFDumper::resolveSymbol(const coff_section *Section,
121 uint64_t Offset, SymbolRef &Sym) {
123 const auto &Relocations = RelocMap[Section];
124 for (const auto &Relocation : Relocations) {
125 uint64_t RelocationOffset = Relocation.getOffset();
127 if (RelocationOffset == Offset) {
128 Sym = *Relocation.getSymbol();
129 return readobj_error::success;
132 return readobj_error::unknown_symbol;
135 // Given a section and an offset into this section the function returns the name
136 // of the symbol used for the relocation at the offset.
137 std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
141 if (std::error_code EC = resolveSymbol(Section, Offset, Symbol))
143 ErrorOr<StringRef> NameOrErr = Symbol.getName();
144 if (std::error_code EC = NameOrErr.getError())
147 return std::error_code();
150 static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = {
151 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_UNKNOWN ),
152 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AM33 ),
153 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AMD64 ),
154 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM ),
155 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARMNT ),
156 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_EBC ),
157 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_I386 ),
158 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_IA64 ),
159 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_M32R ),
160 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPS16 ),
161 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU ),
162 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU16),
163 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPC ),
164 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPCFP),
165 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_R4000 ),
166 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3 ),
167 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3DSP ),
168 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH4 ),
169 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH5 ),
170 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_THUMB ),
171 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_WCEMIPSV2)
174 static const EnumEntry<COFF::Characteristics> ImageFileCharacteristics[] = {
175 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_RELOCS_STRIPPED ),
176 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_EXECUTABLE_IMAGE ),
177 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LINE_NUMS_STRIPPED ),
178 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LOCAL_SYMS_STRIPPED ),
179 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_AGGRESSIVE_WS_TRIM ),
180 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LARGE_ADDRESS_AWARE ),
181 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_LO ),
182 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_32BIT_MACHINE ),
183 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DEBUG_STRIPPED ),
184 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP),
185 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_NET_RUN_FROM_SWAP ),
186 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_SYSTEM ),
187 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DLL ),
188 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_UP_SYSTEM_ONLY ),
189 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_HI )
192 static const EnumEntry<COFF::WindowsSubsystem> PEWindowsSubsystem[] = {
193 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_UNKNOWN ),
194 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_NATIVE ),
195 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_GUI ),
196 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CUI ),
197 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_POSIX_CUI ),
198 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI ),
199 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_APPLICATION ),
200 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER),
201 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER ),
202 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_ROM ),
203 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_XBOX ),
206 static const EnumEntry<COFF::DLLCharacteristics> PEDLLCharacteristics[] = {
207 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA ),
208 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE ),
209 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY ),
210 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ),
211 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION ),
212 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH ),
213 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND ),
214 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_APPCONTAINER ),
215 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER ),
216 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_GUARD_CF ),
217 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE),
220 static const EnumEntry<COFF::SectionCharacteristics>
221 ImageSectionCharacteristics[] = {
222 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NOLOAD ),
223 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD ),
224 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE ),
225 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA ),
226 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_UNINITIALIZED_DATA),
227 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_OTHER ),
228 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_INFO ),
229 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_REMOVE ),
230 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_COMDAT ),
231 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_GPREL ),
232 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PURGEABLE ),
233 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_16BIT ),
234 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_LOCKED ),
235 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PRELOAD ),
236 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1BYTES ),
237 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2BYTES ),
238 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4BYTES ),
239 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8BYTES ),
240 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_16BYTES ),
241 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_32BYTES ),
242 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_64BYTES ),
243 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_128BYTES ),
244 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_256BYTES ),
245 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_512BYTES ),
246 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1024BYTES ),
247 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2048BYTES ),
248 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4096BYTES ),
249 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8192BYTES ),
250 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_NRELOC_OVFL ),
251 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_DISCARDABLE ),
252 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_CACHED ),
253 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_PAGED ),
254 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_SHARED ),
255 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_EXECUTE ),
256 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_READ ),
257 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_WRITE )
260 static const EnumEntry<COFF::SymbolBaseType> ImageSymType[] = {
261 { "Null" , COFF::IMAGE_SYM_TYPE_NULL },
262 { "Void" , COFF::IMAGE_SYM_TYPE_VOID },
263 { "Char" , COFF::IMAGE_SYM_TYPE_CHAR },
264 { "Short" , COFF::IMAGE_SYM_TYPE_SHORT },
265 { "Int" , COFF::IMAGE_SYM_TYPE_INT },
266 { "Long" , COFF::IMAGE_SYM_TYPE_LONG },
267 { "Float" , COFF::IMAGE_SYM_TYPE_FLOAT },
268 { "Double", COFF::IMAGE_SYM_TYPE_DOUBLE },
269 { "Struct", COFF::IMAGE_SYM_TYPE_STRUCT },
270 { "Union" , COFF::IMAGE_SYM_TYPE_UNION },
271 { "Enum" , COFF::IMAGE_SYM_TYPE_ENUM },
272 { "MOE" , COFF::IMAGE_SYM_TYPE_MOE },
273 { "Byte" , COFF::IMAGE_SYM_TYPE_BYTE },
274 { "Word" , COFF::IMAGE_SYM_TYPE_WORD },
275 { "UInt" , COFF::IMAGE_SYM_TYPE_UINT },
276 { "DWord" , COFF::IMAGE_SYM_TYPE_DWORD }
279 static const EnumEntry<COFF::SymbolComplexType> ImageSymDType[] = {
280 { "Null" , COFF::IMAGE_SYM_DTYPE_NULL },
281 { "Pointer" , COFF::IMAGE_SYM_DTYPE_POINTER },
282 { "Function", COFF::IMAGE_SYM_DTYPE_FUNCTION },
283 { "Array" , COFF::IMAGE_SYM_DTYPE_ARRAY }
286 static const EnumEntry<COFF::SymbolStorageClass> ImageSymClass[] = {
287 { "EndOfFunction" , COFF::IMAGE_SYM_CLASS_END_OF_FUNCTION },
288 { "Null" , COFF::IMAGE_SYM_CLASS_NULL },
289 { "Automatic" , COFF::IMAGE_SYM_CLASS_AUTOMATIC },
290 { "External" , COFF::IMAGE_SYM_CLASS_EXTERNAL },
291 { "Static" , COFF::IMAGE_SYM_CLASS_STATIC },
292 { "Register" , COFF::IMAGE_SYM_CLASS_REGISTER },
293 { "ExternalDef" , COFF::IMAGE_SYM_CLASS_EXTERNAL_DEF },
294 { "Label" , COFF::IMAGE_SYM_CLASS_LABEL },
295 { "UndefinedLabel" , COFF::IMAGE_SYM_CLASS_UNDEFINED_LABEL },
296 { "MemberOfStruct" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_STRUCT },
297 { "Argument" , COFF::IMAGE_SYM_CLASS_ARGUMENT },
298 { "StructTag" , COFF::IMAGE_SYM_CLASS_STRUCT_TAG },
299 { "MemberOfUnion" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_UNION },
300 { "UnionTag" , COFF::IMAGE_SYM_CLASS_UNION_TAG },
301 { "TypeDefinition" , COFF::IMAGE_SYM_CLASS_TYPE_DEFINITION },
302 { "UndefinedStatic", COFF::IMAGE_SYM_CLASS_UNDEFINED_STATIC },
303 { "EnumTag" , COFF::IMAGE_SYM_CLASS_ENUM_TAG },
304 { "MemberOfEnum" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_ENUM },
305 { "RegisterParam" , COFF::IMAGE_SYM_CLASS_REGISTER_PARAM },
306 { "BitField" , COFF::IMAGE_SYM_CLASS_BIT_FIELD },
307 { "Block" , COFF::IMAGE_SYM_CLASS_BLOCK },
308 { "Function" , COFF::IMAGE_SYM_CLASS_FUNCTION },
309 { "EndOfStruct" , COFF::IMAGE_SYM_CLASS_END_OF_STRUCT },
310 { "File" , COFF::IMAGE_SYM_CLASS_FILE },
311 { "Section" , COFF::IMAGE_SYM_CLASS_SECTION },
312 { "WeakExternal" , COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL },
313 { "CLRToken" , COFF::IMAGE_SYM_CLASS_CLR_TOKEN }
316 static const EnumEntry<COFF::COMDATType> ImageCOMDATSelect[] = {
317 { "NoDuplicates", COFF::IMAGE_COMDAT_SELECT_NODUPLICATES },
318 { "Any" , COFF::IMAGE_COMDAT_SELECT_ANY },
319 { "SameSize" , COFF::IMAGE_COMDAT_SELECT_SAME_SIZE },
320 { "ExactMatch" , COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH },
321 { "Associative" , COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE },
322 { "Largest" , COFF::IMAGE_COMDAT_SELECT_LARGEST },
323 { "Newest" , COFF::IMAGE_COMDAT_SELECT_NEWEST }
326 static const EnumEntry<COFF::WeakExternalCharacteristics>
327 WeakExternalCharacteristics[] = {
328 { "NoLibrary", COFF::IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY },
329 { "Library" , COFF::IMAGE_WEAK_EXTERN_SEARCH_LIBRARY },
330 { "Alias" , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS }
333 template <typename T>
334 static std::error_code getSymbolAuxData(const COFFObjectFile *Obj,
335 COFFSymbolRef Symbol,
336 uint8_t AuxSymbolIdx, const T *&Aux) {
337 ArrayRef<uint8_t> AuxData = Obj->getSymbolAuxData(Symbol);
338 AuxData = AuxData.slice(AuxSymbolIdx * Obj->getSymbolTableEntrySize());
339 Aux = reinterpret_cast<const T*>(AuxData.data());
340 return readobj_error::success;
343 void COFFDumper::cacheRelocations() {
348 for (const SectionRef &S : Obj->sections()) {
349 const coff_section *Section = Obj->getCOFFSection(S);
351 for (const RelocationRef &Reloc : S.relocations())
352 RelocMap[Section].push_back(Reloc);
354 // Sort relocations by address.
355 std::sort(RelocMap[Section].begin(), RelocMap[Section].end(),
360 void COFFDumper::printDataDirectory(uint32_t Index, const std::string &FieldName) {
361 const data_directory *Data;
362 if (Obj->getDataDirectory(Index, Data))
364 W.printHex(FieldName + "RVA", Data->RelativeVirtualAddress);
365 W.printHex(FieldName + "Size", Data->Size);
368 void COFFDumper::printFileHeaders() {
369 time_t TDS = Obj->getTimeDateStamp();
370 char FormattedTime[20] = { };
371 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
374 DictScope D(W, "ImageFileHeader");
375 W.printEnum ("Machine", Obj->getMachine(),
376 makeArrayRef(ImageFileMachineType));
377 W.printNumber("SectionCount", Obj->getNumberOfSections());
378 W.printHex ("TimeDateStamp", FormattedTime, Obj->getTimeDateStamp());
379 W.printHex ("PointerToSymbolTable", Obj->getPointerToSymbolTable());
380 W.printNumber("SymbolCount", Obj->getNumberOfSymbols());
381 W.printNumber("OptionalHeaderSize", Obj->getSizeOfOptionalHeader());
382 W.printFlags ("Characteristics", Obj->getCharacteristics(),
383 makeArrayRef(ImageFileCharacteristics));
386 // Print PE header. This header does not exist if this is an object file and
387 // not an executable.
388 const pe32_header *PEHeader = nullptr;
389 error(Obj->getPE32Header(PEHeader));
391 printPEHeader<pe32_header>(PEHeader);
393 const pe32plus_header *PEPlusHeader = nullptr;
394 error(Obj->getPE32PlusHeader(PEPlusHeader));
396 printPEHeader<pe32plus_header>(PEPlusHeader);
398 if (const dos_header *DH = Obj->getDOSHeader())
402 void COFFDumper::printDOSHeader(const dos_header *DH) {
403 DictScope D(W, "DOSHeader");
404 W.printString("Magic", StringRef(DH->Magic, sizeof(DH->Magic)));
405 W.printNumber("UsedBytesInTheLastPage", DH->UsedBytesInTheLastPage);
406 W.printNumber("FileSizeInPages", DH->FileSizeInPages);
407 W.printNumber("NumberOfRelocationItems", DH->NumberOfRelocationItems);
408 W.printNumber("HeaderSizeInParagraphs", DH->HeaderSizeInParagraphs);
409 W.printNumber("MinimumExtraParagraphs", DH->MinimumExtraParagraphs);
410 W.printNumber("MaximumExtraParagraphs", DH->MaximumExtraParagraphs);
411 W.printNumber("InitialRelativeSS", DH->InitialRelativeSS);
412 W.printNumber("InitialSP", DH->InitialSP);
413 W.printNumber("Checksum", DH->Checksum);
414 W.printNumber("InitialIP", DH->InitialIP);
415 W.printNumber("InitialRelativeCS", DH->InitialRelativeCS);
416 W.printNumber("AddressOfRelocationTable", DH->AddressOfRelocationTable);
417 W.printNumber("OverlayNumber", DH->OverlayNumber);
418 W.printNumber("OEMid", DH->OEMid);
419 W.printNumber("OEMinfo", DH->OEMinfo);
420 W.printNumber("AddressOfNewExeHeader", DH->AddressOfNewExeHeader);
423 template <class PEHeader>
424 void COFFDumper::printPEHeader(const PEHeader *Hdr) {
425 DictScope D(W, "ImageOptionalHeader");
426 W.printNumber("MajorLinkerVersion", Hdr->MajorLinkerVersion);
427 W.printNumber("MinorLinkerVersion", Hdr->MinorLinkerVersion);
428 W.printNumber("SizeOfCode", Hdr->SizeOfCode);
429 W.printNumber("SizeOfInitializedData", Hdr->SizeOfInitializedData);
430 W.printNumber("SizeOfUninitializedData", Hdr->SizeOfUninitializedData);
431 W.printHex ("AddressOfEntryPoint", Hdr->AddressOfEntryPoint);
432 W.printHex ("BaseOfCode", Hdr->BaseOfCode);
433 printBaseOfDataField(Hdr);
434 W.printHex ("ImageBase", Hdr->ImageBase);
435 W.printNumber("SectionAlignment", Hdr->SectionAlignment);
436 W.printNumber("FileAlignment", Hdr->FileAlignment);
437 W.printNumber("MajorOperatingSystemVersion",
438 Hdr->MajorOperatingSystemVersion);
439 W.printNumber("MinorOperatingSystemVersion",
440 Hdr->MinorOperatingSystemVersion);
441 W.printNumber("MajorImageVersion", Hdr->MajorImageVersion);
442 W.printNumber("MinorImageVersion", Hdr->MinorImageVersion);
443 W.printNumber("MajorSubsystemVersion", Hdr->MajorSubsystemVersion);
444 W.printNumber("MinorSubsystemVersion", Hdr->MinorSubsystemVersion);
445 W.printNumber("SizeOfImage", Hdr->SizeOfImage);
446 W.printNumber("SizeOfHeaders", Hdr->SizeOfHeaders);
447 W.printEnum ("Subsystem", Hdr->Subsystem, makeArrayRef(PEWindowsSubsystem));
448 W.printFlags ("Characteristics", Hdr->DLLCharacteristics,
449 makeArrayRef(PEDLLCharacteristics));
450 W.printNumber("SizeOfStackReserve", Hdr->SizeOfStackReserve);
451 W.printNumber("SizeOfStackCommit", Hdr->SizeOfStackCommit);
452 W.printNumber("SizeOfHeapReserve", Hdr->SizeOfHeapReserve);
453 W.printNumber("SizeOfHeapCommit", Hdr->SizeOfHeapCommit);
454 W.printNumber("NumberOfRvaAndSize", Hdr->NumberOfRvaAndSize);
456 if (Hdr->NumberOfRvaAndSize > 0) {
457 DictScope D(W, "DataDirectory");
458 static const char * const directory[] = {
459 "ExportTable", "ImportTable", "ResourceTable", "ExceptionTable",
460 "CertificateTable", "BaseRelocationTable", "Debug", "Architecture",
461 "GlobalPtr", "TLSTable", "LoadConfigTable", "BoundImport", "IAT",
462 "DelayImportDescriptor", "CLRRuntimeHeader", "Reserved"
465 for (uint32_t i = 0; i < Hdr->NumberOfRvaAndSize; ++i) {
466 printDataDirectory(i, directory[i]);
471 void COFFDumper::printBaseOfDataField(const pe32_header *Hdr) {
472 W.printHex("BaseOfData", Hdr->BaseOfData);
475 void COFFDumper::printBaseOfDataField(const pe32plus_header *) {}
477 void COFFDumper::printCodeViewDebugInfo(const SectionRef &Section) {
479 error(Section.getContents(Data));
481 SmallVector<StringRef, 10> FunctionNames;
482 StringMap<StringRef> FunctionLineTables;
484 ListScope D(W, "CodeViewDebugInfo");
486 // FIXME: Add more offset correctness checks.
487 DataExtractor DE(Data, true, 4);
489 Magic = DE.getU32(&Offset);
490 W.printHex("Magic", Magic);
491 if (Magic != COFF::DEBUG_SECTION_MAGIC) {
492 error(object_error::parse_failed);
496 bool Finished = false;
497 while (DE.isValidOffset(Offset) && !Finished) {
498 // The section consists of a number of subsection in the following format:
499 // |Type|PayloadSize|Payload...|
500 uint32_t SubSectionType = DE.getU32(&Offset),
501 PayloadSize = DE.getU32(&Offset);
502 ListScope S(W, "Subsection");
503 W.printHex("Type", SubSectionType);
504 W.printHex("PayloadSize", PayloadSize);
505 if (PayloadSize > Data.size() - Offset) {
506 error(object_error::parse_failed);
510 StringRef Contents = Data.substr(Offset, PayloadSize);
511 if (opts::CodeViewSubsectionBytes) {
512 // Print the raw contents to simplify debugging if anything goes wrong
514 W.printBinaryBlock("Contents", Contents);
517 switch (SubSectionType) {
518 case COFF::DEBUG_SYMBOL_SUBSECTION:
519 if (opts::SectionSymbols)
520 printCodeViewSymbolsSubsection(Contents, Section, Offset);
522 case COFF::DEBUG_LINE_TABLE_SUBSECTION: {
523 // Holds a PC to file:line table. Some data to parse this subsection is
524 // stored in the other subsections, so just check sanity and store the
525 // pointers for deferred processing.
527 if (PayloadSize < 12) {
528 // There should be at least three words to store two function
529 // relocations and size of the code.
530 error(object_error::parse_failed);
534 StringRef FunctionName;
535 error(resolveSymbolName(Obj->getCOFFSection(Section), Offset,
537 W.printString("FunctionName", FunctionName);
538 if (FunctionLineTables.count(FunctionName) != 0) {
539 // Saw debug info for this function already?
540 error(object_error::parse_failed);
544 FunctionLineTables[FunctionName] = Contents;
545 FunctionNames.push_back(FunctionName);
548 case COFF::DEBUG_STRING_TABLE_SUBSECTION:
549 if (PayloadSize == 0 || CVStringTable.data() != nullptr ||
550 Contents.back() != '\0') {
551 // Empty or duplicate or non-null-terminated subsection.
552 error(object_error::parse_failed);
555 CVStringTable = Contents;
557 case COFF::DEBUG_INDEX_SUBSECTION:
558 // Holds the translation table from file indices
559 // to offsets in the string table.
561 if (PayloadSize == 0 ||
562 CVFileIndexToStringOffsetTable.data() != nullptr) {
563 // Empty or duplicate subsection.
564 error(object_error::parse_failed);
567 CVFileIndexToStringOffsetTable = Contents;
570 Offset += PayloadSize;
572 // Align the reading pointer by 4.
573 Offset += (-Offset) % 4;
577 // Dump the line tables now that we've read all the subsections and know all
578 // the required information.
579 for (unsigned I = 0, E = FunctionNames.size(); I != E; ++I) {
580 StringRef Name = FunctionNames[I];
581 ListScope S(W, "FunctionLineTable");
582 W.printString("FunctionName", Name);
584 DataExtractor DE(FunctionLineTables[Name], true, 4);
585 uint32_t Offset = 6; // Skip relocations.
586 uint16_t Flags = DE.getU16(&Offset);
587 W.printHex("Flags", Flags);
588 bool HasColumnInformation =
589 Flags & COFF::DEBUG_LINE_TABLES_HAVE_COLUMN_RECORDS;
590 uint32_t FunctionSize = DE.getU32(&Offset);
591 W.printHex("CodeSize", FunctionSize);
592 while (DE.isValidOffset(Offset)) {
593 // For each range of lines with the same filename, we have a segment
594 // in the line table. The filename string is accessed using double
595 // indirection to the string table subsection using the index subsection.
596 uint32_t OffsetInIndex = DE.getU32(&Offset),
597 SegmentLength = DE.getU32(&Offset),
598 FullSegmentSize = DE.getU32(&Offset);
600 if (FullSegmentSize !=
601 12 + 8 * SegmentLength +
602 (HasColumnInformation ? 4 * SegmentLength : 0)) {
603 error(object_error::parse_failed);
607 uint32_t FilenameOffset;
609 DataExtractor SDE(CVFileIndexToStringOffsetTable, true, 4);
610 uint32_t OffsetInSDE = OffsetInIndex;
611 if (!SDE.isValidOffset(OffsetInSDE)) {
612 error(object_error::parse_failed);
615 FilenameOffset = SDE.getU32(&OffsetInSDE);
618 if (FilenameOffset == 0 || FilenameOffset + 1 >= CVStringTable.size() ||
619 CVStringTable.data()[FilenameOffset - 1] != '\0') {
620 // Each string in an F3 subsection should be preceded by a null
622 error(object_error::parse_failed);
626 StringRef Filename(CVStringTable.data() + FilenameOffset);
627 ListScope S(W, "FilenameSegment");
628 W.printString("Filename", Filename);
629 for (unsigned J = 0; J != SegmentLength && DE.isValidOffset(Offset);
631 // Then go the (PC, LineNumber) pairs. The line number is stored in the
632 // least significant 31 bits of the respective word in the table.
633 uint32_t PC = DE.getU32(&Offset),
634 LineNumber = DE.getU32(&Offset) & 0x7fffffff;
635 if (PC >= FunctionSize) {
636 error(object_error::parse_failed);
640 format("+0x%X", PC).snprint(Buffer, 32);
641 W.printNumber(Buffer, LineNumber);
643 if (HasColumnInformation) {
644 for (unsigned J = 0; J != SegmentLength && DE.isValidOffset(Offset);
646 uint16_t ColStart = DE.getU16(&Offset);
647 W.printNumber("ColStart", ColStart);
648 uint16_t ColEnd = DE.getU16(&Offset);
649 W.printNumber("ColEnd", ColEnd);
656 void COFFDumper::printCodeViewSymbolsSubsection(StringRef Subsection,
657 const SectionRef &Section,
658 uint32_t OffsetInSection) {
659 if (Subsection.size() == 0) {
660 error(object_error::parse_failed);
663 DataExtractor DE(Subsection, true, 4);
666 // Function-level subsections have "procedure start" and "procedure end"
667 // commands that should come in pairs and surround relevant info.
668 bool InFunctionScope = false;
669 while (DE.isValidOffset(Offset)) {
670 // Read subsection segments one by one.
671 uint16_t Size = DE.getU16(&Offset);
672 // The section size includes the size of the type identifier.
673 if (Size < 2 || !DE.isValidOffsetForDataOfSize(Offset, Size)) {
674 error(object_error::parse_failed);
678 uint16_t Type = DE.getU16(&Offset);
680 case COFF::DEBUG_SYMBOL_TYPE_PROC_START: {
681 DictScope S(W, "ProcStart");
682 if (InFunctionScope || Size < 36) {
683 error(object_error::parse_failed);
686 InFunctionScope = true;
688 // We're currently interested in a limited subset of fields in this
689 // segment, just ignore the rest of the fields for now.
691 DE.getU8(&Offset, Unused, 12);
692 uint32_t CodeSize = DE.getU32(&Offset);
693 DE.getU8(&Offset, Unused, 12);
694 StringRef SectionName;
695 error(resolveSymbolName(Obj->getCOFFSection(Section),
696 OffsetInSection + Offset, SectionName));
698 DE.getU8(&Offset, Unused, 3);
699 StringRef DisplayName = DE.getCStr(&Offset);
700 if (!DE.isValidOffset(Offset)) {
701 error(object_error::parse_failed);
704 W.printString("DisplayName", DisplayName);
705 W.printString("Section", SectionName);
706 W.printHex("CodeSize", CodeSize);
710 case COFF::DEBUG_SYMBOL_TYPE_PROC_END: {
711 W.startLine() << "ProcEnd\n";
712 if (!InFunctionScope || Size > 0) {
713 error(object_error::parse_failed);
716 InFunctionScope = false;
720 if (opts::CodeViewSubsectionBytes) {
721 ListScope S(W, "Record");
722 W.printHex("Size", Size);
723 W.printHex("Type", Type);
725 StringRef Contents = DE.getData().substr(Offset, Size);
726 W.printBinaryBlock("Contents", Contents);
736 error(object_error::parse_failed);
739 void COFFDumper::printSections() {
740 ListScope SectionsD(W, "Sections");
741 int SectionNumber = 0;
742 for (const SectionRef &Sec : Obj->sections()) {
744 const coff_section *Section = Obj->getCOFFSection(Sec);
747 error(Sec.getName(Name));
749 DictScope D(W, "Section");
750 W.printNumber("Number", SectionNumber);
751 W.printBinary("Name", Name, Section->Name);
752 W.printHex ("VirtualSize", Section->VirtualSize);
753 W.printHex ("VirtualAddress", Section->VirtualAddress);
754 W.printNumber("RawDataSize", Section->SizeOfRawData);
755 W.printHex ("PointerToRawData", Section->PointerToRawData);
756 W.printHex ("PointerToRelocations", Section->PointerToRelocations);
757 W.printHex ("PointerToLineNumbers", Section->PointerToLinenumbers);
758 W.printNumber("RelocationCount", Section->NumberOfRelocations);
759 W.printNumber("LineNumberCount", Section->NumberOfLinenumbers);
760 W.printFlags ("Characteristics", Section->Characteristics,
761 makeArrayRef(ImageSectionCharacteristics),
762 COFF::SectionCharacteristics(0x00F00000));
764 if (opts::SectionRelocations) {
765 ListScope D(W, "Relocations");
766 for (const RelocationRef &Reloc : Sec.relocations())
767 printRelocation(Sec, Reloc);
770 if (opts::SectionSymbols) {
771 ListScope D(W, "Symbols");
772 for (const SymbolRef &Symbol : Obj->symbols()) {
773 if (!Sec.containsSymbol(Symbol))
780 if (Name == ".debug$S" && opts::CodeView)
781 printCodeViewDebugInfo(Sec);
783 if (opts::SectionData &&
784 !(Section->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)) {
786 error(Sec.getContents(Data));
788 W.printBinaryBlock("SectionData", Data);
793 void COFFDumper::printRelocations() {
794 ListScope D(W, "Relocations");
796 int SectionNumber = 0;
797 for (const SectionRef &Section : Obj->sections()) {
800 error(Section.getName(Name));
802 bool PrintedGroup = false;
803 for (const RelocationRef &Reloc : Section.relocations()) {
805 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
810 printRelocation(Section, Reloc);
815 W.startLine() << "}\n";
820 void COFFDumper::printRelocation(const SectionRef &Section,
821 const RelocationRef &Reloc) {
822 uint64_t Offset = Reloc.getOffset();
823 uint64_t RelocType = Reloc.getType();
824 SmallString<32> RelocName;
825 StringRef SymbolName;
826 Reloc.getTypeName(RelocName);
827 symbol_iterator Symbol = Reloc.getSymbol();
828 if (Symbol != Obj->symbol_end()) {
829 ErrorOr<StringRef> SymbolNameOrErr = Symbol->getName();
830 error(SymbolNameOrErr.getError());
831 SymbolName = *SymbolNameOrErr;
834 if (opts::ExpandRelocs) {
835 DictScope Group(W, "Relocation");
836 W.printHex("Offset", Offset);
837 W.printNumber("Type", RelocName, RelocType);
838 W.printString("Symbol", SymbolName.empty() ? "-" : SymbolName);
840 raw_ostream& OS = W.startLine();
843 << " " << (SymbolName.empty() ? "-" : SymbolName)
848 void COFFDumper::printSymbols() {
849 ListScope Group(W, "Symbols");
851 for (const SymbolRef &Symbol : Obj->symbols())
855 void COFFDumper::printDynamicSymbols() { ListScope Group(W, "DynamicSymbols"); }
857 static ErrorOr<StringRef>
858 getSectionName(const llvm::object::COFFObjectFile *Obj, int32_t SectionNumber,
859 const coff_section *Section) {
861 StringRef SectionName;
862 if (std::error_code EC = Obj->getSectionName(Section, SectionName))
866 if (SectionNumber == llvm::COFF::IMAGE_SYM_DEBUG)
867 return StringRef("IMAGE_SYM_DEBUG");
868 if (SectionNumber == llvm::COFF::IMAGE_SYM_ABSOLUTE)
869 return StringRef("IMAGE_SYM_ABSOLUTE");
870 if (SectionNumber == llvm::COFF::IMAGE_SYM_UNDEFINED)
871 return StringRef("IMAGE_SYM_UNDEFINED");
872 return StringRef("");
875 void COFFDumper::printSymbol(const SymbolRef &Sym) {
876 DictScope D(W, "Symbol");
878 COFFSymbolRef Symbol = Obj->getCOFFSymbol(Sym);
879 const coff_section *Section;
880 if (std::error_code EC = Obj->getSection(Symbol.getSectionNumber(), Section)) {
881 W.startLine() << "Invalid section number: " << EC.message() << "\n";
886 StringRef SymbolName;
887 if (Obj->getSymbolName(Symbol, SymbolName))
890 StringRef SectionName = "";
891 ErrorOr<StringRef> Res =
892 getSectionName(Obj, Symbol.getSectionNumber(), Section);
896 W.printString("Name", SymbolName);
897 W.printNumber("Value", Symbol.getValue());
898 W.printNumber("Section", SectionName, Symbol.getSectionNumber());
899 W.printEnum ("BaseType", Symbol.getBaseType(), makeArrayRef(ImageSymType));
900 W.printEnum ("ComplexType", Symbol.getComplexType(),
901 makeArrayRef(ImageSymDType));
902 W.printEnum ("StorageClass", Symbol.getStorageClass(),
903 makeArrayRef(ImageSymClass));
904 W.printNumber("AuxSymbolCount", Symbol.getNumberOfAuxSymbols());
906 for (uint8_t I = 0; I < Symbol.getNumberOfAuxSymbols(); ++I) {
907 if (Symbol.isFunctionDefinition()) {
908 const coff_aux_function_definition *Aux;
909 error(getSymbolAuxData(Obj, Symbol, I, Aux));
911 DictScope AS(W, "AuxFunctionDef");
912 W.printNumber("TagIndex", Aux->TagIndex);
913 W.printNumber("TotalSize", Aux->TotalSize);
914 W.printHex("PointerToLineNumber", Aux->PointerToLinenumber);
915 W.printHex("PointerToNextFunction", Aux->PointerToNextFunction);
917 } else if (Symbol.isAnyUndefined()) {
918 const coff_aux_weak_external *Aux;
919 error(getSymbolAuxData(Obj, Symbol, I, Aux));
921 ErrorOr<COFFSymbolRef> Linked = Obj->getSymbol(Aux->TagIndex);
922 StringRef LinkedName;
923 std::error_code EC = Linked.getError();
924 if (EC || (EC = Obj->getSymbolName(*Linked, LinkedName))) {
929 DictScope AS(W, "AuxWeakExternal");
930 W.printNumber("Linked", LinkedName, Aux->TagIndex);
931 W.printEnum ("Search", Aux->Characteristics,
932 makeArrayRef(WeakExternalCharacteristics));
934 } else if (Symbol.isFileRecord()) {
935 const char *FileName;
936 error(getSymbolAuxData(Obj, Symbol, I, FileName));
938 DictScope AS(W, "AuxFileRecord");
940 StringRef Name(FileName, Symbol.getNumberOfAuxSymbols() *
941 Obj->getSymbolTableEntrySize());
942 W.printString("FileName", Name.rtrim(StringRef("\0", 1)));
944 } else if (Symbol.isSectionDefinition()) {
945 const coff_aux_section_definition *Aux;
946 error(getSymbolAuxData(Obj, Symbol, I, Aux));
948 int32_t AuxNumber = Aux->getNumber(Symbol.isBigObj());
950 DictScope AS(W, "AuxSectionDef");
951 W.printNumber("Length", Aux->Length);
952 W.printNumber("RelocationCount", Aux->NumberOfRelocations);
953 W.printNumber("LineNumberCount", Aux->NumberOfLinenumbers);
954 W.printHex("Checksum", Aux->CheckSum);
955 W.printNumber("Number", AuxNumber);
956 W.printEnum("Selection", Aux->Selection, makeArrayRef(ImageCOMDATSelect));
958 if (Section && Section->Characteristics & COFF::IMAGE_SCN_LNK_COMDAT
959 && Aux->Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) {
960 const coff_section *Assoc;
961 StringRef AssocName = "";
962 std::error_code EC = Obj->getSection(AuxNumber, Assoc);
963 ErrorOr<StringRef> Res = getSectionName(Obj, AuxNumber, Assoc);
973 W.printNumber("AssocSection", AssocName, AuxNumber);
975 } else if (Symbol.isCLRToken()) {
976 const coff_aux_clr_token *Aux;
977 error(getSymbolAuxData(Obj, Symbol, I, Aux));
979 ErrorOr<COFFSymbolRef> ReferredSym =
980 Obj->getSymbol(Aux->SymbolTableIndex);
981 StringRef ReferredName;
982 std::error_code EC = ReferredSym.getError();
983 if (EC || (EC = Obj->getSymbolName(*ReferredSym, ReferredName))) {
988 DictScope AS(W, "AuxCLRToken");
989 W.printNumber("AuxType", Aux->AuxType);
990 W.printNumber("Reserved", Aux->Reserved);
991 W.printNumber("SymbolTableIndex", ReferredName, Aux->SymbolTableIndex);
994 W.startLine() << "<unhandled auxiliary record>\n";
999 void COFFDumper::printUnwindInfo() {
1000 ListScope D(W, "UnwindInformation");
1001 switch (Obj->getMachine()) {
1002 case COFF::IMAGE_FILE_MACHINE_AMD64: {
1003 Win64EH::Dumper Dumper(W);
1004 Win64EH::Dumper::SymbolResolver
1005 Resolver = [](const object::coff_section *Section, uint64_t Offset,
1006 SymbolRef &Symbol, void *user_data) -> std::error_code {
1007 COFFDumper *Dumper = reinterpret_cast<COFFDumper *>(user_data);
1008 return Dumper->resolveSymbol(Section, Offset, Symbol);
1010 Win64EH::Dumper::Context Ctx(*Obj, Resolver, this);
1011 Dumper.printData(Ctx);
1014 case COFF::IMAGE_FILE_MACHINE_ARMNT: {
1015 ARM::WinEH::Decoder Decoder(W);
1016 Decoder.dumpProcedureData(*Obj);
1020 W.printEnum("unsupported Image Machine", Obj->getMachine(),
1021 makeArrayRef(ImageFileMachineType));
1026 void COFFDumper::printImportedSymbols(
1027 iterator_range<imported_symbol_iterator> Range) {
1028 for (const ImportedSymbolRef &I : Range) {
1030 error(I.getSymbolName(Sym));
1032 error(I.getOrdinal(Ordinal));
1033 W.printNumber("Symbol", Sym, Ordinal);
1037 void COFFDumper::printDelayImportedSymbols(
1038 const DelayImportDirectoryEntryRef &I,
1039 iterator_range<imported_symbol_iterator> Range) {
1041 for (const ImportedSymbolRef &S : Range) {
1042 DictScope Import(W, "Import");
1044 error(S.getSymbolName(Sym));
1046 error(S.getOrdinal(Ordinal));
1047 W.printNumber("Symbol", Sym, Ordinal);
1049 error(I.getImportAddress(Index++, Addr));
1050 W.printHex("Address", Addr);
1054 void COFFDumper::printCOFFImports() {
1056 for (const ImportDirectoryEntryRef &I : Obj->import_directories()) {
1057 DictScope Import(W, "Import");
1059 error(I.getName(Name));
1060 W.printString("Name", Name);
1062 error(I.getImportLookupTableRVA(Addr));
1063 W.printHex("ImportLookupTableRVA", Addr);
1064 error(I.getImportAddressTableRVA(Addr));
1065 W.printHex("ImportAddressTableRVA", Addr);
1066 printImportedSymbols(I.imported_symbols());
1070 for (const DelayImportDirectoryEntryRef &I : Obj->delay_import_directories()) {
1071 DictScope Import(W, "DelayImport");
1073 error(I.getName(Name));
1074 W.printString("Name", Name);
1075 const delay_import_directory_table_entry *Table;
1076 error(I.getDelayImportTable(Table));
1077 W.printHex("Attributes", Table->Attributes);
1078 W.printHex("ModuleHandle", Table->ModuleHandle);
1079 W.printHex("ImportAddressTable", Table->DelayImportAddressTable);
1080 W.printHex("ImportNameTable", Table->DelayImportNameTable);
1081 W.printHex("BoundDelayImportTable", Table->BoundDelayImportTable);
1082 W.printHex("UnloadDelayImportTable", Table->UnloadDelayImportTable);
1083 printDelayImportedSymbols(I, I.imported_symbols());
1087 void COFFDumper::printCOFFExports() {
1088 for (const ExportDirectoryEntryRef &E : Obj->export_directories()) {
1089 DictScope Export(W, "Export");
1092 uint32_t Ordinal, RVA;
1094 error(E.getSymbolName(Name));
1095 error(E.getOrdinal(Ordinal));
1096 error(E.getExportRVA(RVA));
1098 W.printNumber("Ordinal", Ordinal);
1099 W.printString("Name", Name);
1100 W.printHex("RVA", RVA);
1104 void COFFDumper::printCOFFDirectives() {
1105 for (const SectionRef &Section : Obj->sections()) {
1109 error(Section.getName(Name));
1110 if (Name != ".drectve")
1113 error(Section.getContents(Contents));
1115 W.printString("Directive(s)", Contents);
1119 static StringRef getBaseRelocTypeName(uint8_t Type) {
1121 case COFF::IMAGE_REL_BASED_ABSOLUTE: return "ABSOLUTE";
1122 case COFF::IMAGE_REL_BASED_HIGH: return "HIGH";
1123 case COFF::IMAGE_REL_BASED_LOW: return "LOW";
1124 case COFF::IMAGE_REL_BASED_HIGHLOW: return "HIGHLOW";
1125 case COFF::IMAGE_REL_BASED_HIGHADJ: return "HIGHADJ";
1126 case COFF::IMAGE_REL_BASED_ARM_MOV32T: return "ARM_MOV32(T)";
1127 case COFF::IMAGE_REL_BASED_DIR64: return "DIR64";
1128 default: return "unknown (" + llvm::utostr(Type) + ")";
1132 void COFFDumper::printCOFFBaseReloc() {
1133 ListScope D(W, "BaseReloc");
1134 for (const BaseRelocRef &I : Obj->base_relocs()) {
1137 error(I.getRVA(RVA));
1138 error(I.getType(Type));
1139 DictScope Import(W, "Entry");
1140 W.printString("Type", getBaseRelocTypeName(Type));
1141 W.printHex("Address", RVA);
1145 void COFFDumper::printStackMap() const {
1146 object::SectionRef StackMapSection;
1147 for (auto Sec : Obj->sections()) {
1150 if (Name == ".llvm_stackmaps") {
1151 StackMapSection = Sec;
1156 if (StackMapSection == object::SectionRef())
1159 StringRef StackMapContents;
1160 StackMapSection.getContents(StackMapContents);
1161 ArrayRef<uint8_t> StackMapContentsArray(
1162 reinterpret_cast<const uint8_t*>(StackMapContents.data()),
1163 StackMapContents.size());
1165 if (Obj->isLittleEndian())
1166 prettyPrintStackMap(
1168 StackMapV1Parser<support::little>(StackMapContentsArray));
1170 prettyPrintStackMap(llvm::outs(),
1171 StackMapV1Parser<support::big>(StackMapContentsArray));