Bug Summary

File:include/llvm/Object/ObjectFile.h
Warning:line 417, column 10
Called C++ object pointer is null

Annotated Source Code

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clang -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name COFFDumper.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -mrelocation-model pic -pic-level 2 -mthread-model posix -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu x86-64 -dwarf-column-info -debugger-tuning=gdb -momit-leaf-frame-pointer -ffunction-sections -fdata-sections -resource-dir /usr/lib/llvm-8/lib/clang/8.0.0 -D _DEBUG -D _GNU_SOURCE -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D __STDC_LIMIT_MACROS -I /build/llvm-toolchain-snapshot-8~svn345461/build-llvm/tools/llvm-readobj -I /build/llvm-toolchain-snapshot-8~svn345461/tools/llvm-readobj -I /build/llvm-toolchain-snapshot-8~svn345461/build-llvm/include -I /build/llvm-toolchain-snapshot-8~svn345461/include -U NDEBUG -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/x86_64-linux-gnu/c++/6.3.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/x86_64-linux-gnu/c++/6.3.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/backward -internal-isystem /usr/include/clang/8.0.0/include/ -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-8/lib/clang/8.0.0/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long -Wno-maybe-uninitialized -Wno-comment -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /build/llvm-toolchain-snapshot-8~svn345461/build-llvm/tools/llvm-readobj -ferror-limit 19 -fmessage-length 0 -fvisibility-inlines-hidden -fobjc-runtime=gcc -fdiagnostics-show-option -vectorize-loops -vectorize-slp -analyzer-output=html -analyzer-config stable-report-filename=true -o /tmp/scan-build-2018-10-27-211344-32123-1 -x c++ /build/llvm-toolchain-snapshot-8~svn345461/tools/llvm-readobj/COFFDumper.cpp -faddrsig

/build/llvm-toolchain-snapshot-8~svn345461/tools/llvm-readobj/COFFDumper.cpp

1//===-- COFFDumper.cpp - COFF-specific dumper -------------------*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9///
10/// \file
11/// This file implements the COFF-specific dumper for llvm-readobj.
12///
13//===----------------------------------------------------------------------===//
14
15#include "ARMWinEHPrinter.h"
16#include "Error.h"
17#include "ObjDumper.h"
18#include "StackMapPrinter.h"
19#include "Win64EHDumper.h"
20#include "llvm-readobj.h"
21#include "llvm/ADT/DenseMap.h"
22#include "llvm/ADT/SmallString.h"
23#include "llvm/ADT/StringExtras.h"
24#include "llvm/BinaryFormat/COFF.h"
25#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
26#include "llvm/DebugInfo/CodeView/CodeView.h"
27#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
28#include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h"
29#include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h"
30#include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h"
31#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
32#include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h"
33#include "llvm/DebugInfo/CodeView/Line.h"
34#include "llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h"
35#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
36#include "llvm/DebugInfo/CodeView/SymbolDumpDelegate.h"
37#include "llvm/DebugInfo/CodeView/SymbolDumper.h"
38#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
39#include "llvm/DebugInfo/CodeView/TypeDumpVisitor.h"
40#include "llvm/DebugInfo/CodeView/TypeHashing.h"
41#include "llvm/DebugInfo/CodeView/TypeIndex.h"
42#include "llvm/DebugInfo/CodeView/TypeRecord.h"
43#include "llvm/DebugInfo/CodeView/TypeStreamMerger.h"
44#include "llvm/DebugInfo/CodeView/TypeTableCollection.h"
45#include "llvm/Object/COFF.h"
46#include "llvm/Object/ObjectFile.h"
47#include "llvm/Support/BinaryStreamReader.h"
48#include "llvm/Support/Casting.h"
49#include "llvm/Support/Compiler.h"
50#include "llvm/Support/ConvertUTF.h"
51#include "llvm/Support/FormatVariadic.h"
52#include "llvm/Support/ScopedPrinter.h"
53#include "llvm/Support/LEB128.h"
54#include "llvm/Support/Win64EH.h"
55#include "llvm/Support/raw_ostream.h"
56
57using namespace llvm;
58using namespace llvm::object;
59using namespace llvm::codeview;
60using namespace llvm::support;
61using namespace llvm::Win64EH;
62
63namespace {
64
65struct LoadConfigTables {
66 uint64_t SEHTableVA = 0;
67 uint64_t SEHTableCount = 0;
68 uint32_t GuardFlags = 0;
69 uint64_t GuardFidTableVA = 0;
70 uint64_t GuardFidTableCount = 0;
71 uint64_t GuardLJmpTableVA = 0;
72 uint64_t GuardLJmpTableCount = 0;
73};
74
75class COFFDumper : public ObjDumper {
76public:
77 friend class COFFObjectDumpDelegate;
78 COFFDumper(const llvm::object::COFFObjectFile *Obj, ScopedPrinter &Writer)
79 : ObjDumper(Writer), Obj(Obj), Writer(Writer), Types(100) {}
80
81 void printFileHeaders() override;
82 void printSections() override;
83 void printRelocations() override;
84 void printSymbols() override;
85 void printDynamicSymbols() override;
86 void printUnwindInfo() override;
87
88 void printNeededLibraries() override;
89
90 void printCOFFImports() override;
91 void printCOFFExports() override;
92 void printCOFFDirectives() override;
93 void printCOFFBaseReloc() override;
94 void printCOFFDebugDirectory() override;
95 void printCOFFResources() override;
96 void printCOFFLoadConfig() override;
97 void printCodeViewDebugInfo() override;
98 void
99 mergeCodeViewTypes(llvm::codeview::MergingTypeTableBuilder &CVIDs,
100 llvm::codeview::MergingTypeTableBuilder &CVTypes) override;
101 void printStackMap() const override;
102 void printAddrsig() override;
103private:
104 void printSymbol(const SymbolRef &Sym);
105 void printRelocation(const SectionRef &Section, const RelocationRef &Reloc,
106 uint64_t Bias = 0);
107 void printDataDirectory(uint32_t Index, const std::string &FieldName);
108
109 void printDOSHeader(const dos_header *DH);
110 template <class PEHeader> void printPEHeader(const PEHeader *Hdr);
111 void printBaseOfDataField(const pe32_header *Hdr);
112 void printBaseOfDataField(const pe32plus_header *Hdr);
113 template <typename T>
114 void printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables);
115 typedef void (*PrintExtraCB)(raw_ostream &, const uint8_t *);
116 void printRVATable(uint64_t TableVA, uint64_t Count, uint64_t EntrySize,
117 PrintExtraCB PrintExtra = 0);
118
119 void printCodeViewSymbolSection(StringRef SectionName, const SectionRef &Section);
120 void printCodeViewTypeSection(StringRef SectionName, const SectionRef &Section);
121 StringRef getTypeName(TypeIndex Ty);
122 StringRef getFileNameForFileOffset(uint32_t FileOffset);
123 void printFileNameForOffset(StringRef Label, uint32_t FileOffset);
124 void printTypeIndex(StringRef FieldName, TypeIndex TI) {
125 // Forward to CVTypeDumper for simplicity.
126 codeview::printTypeIndex(Writer, FieldName, TI, Types);
127 }
128
129 void printCodeViewSymbolsSubsection(StringRef Subsection,
130 const SectionRef &Section,
131 StringRef SectionContents);
132
133 void printCodeViewFileChecksums(StringRef Subsection);
134
135 void printCodeViewInlineeLines(StringRef Subsection);
136
137 void printRelocatedField(StringRef Label, const coff_section *Sec,
138 uint32_t RelocOffset, uint32_t Offset,
139 StringRef *RelocSym = nullptr);
140
141 uint32_t countTotalTableEntries(ResourceSectionRef RSF,
142 const coff_resource_dir_table &Table,
143 StringRef Level);
144
145 void printResourceDirectoryTable(ResourceSectionRef RSF,
146 const coff_resource_dir_table &Table,
147 StringRef Level);
148
149 void printBinaryBlockWithRelocs(StringRef Label, const SectionRef &Sec,
150 StringRef SectionContents, StringRef Block);
151
152 /// Given a .debug$S section, find the string table and file checksum table.
153 void initializeFileAndStringTables(BinaryStreamReader &Reader);
154
155 void cacheRelocations();
156
157 std::error_code resolveSymbol(const coff_section *Section, uint64_t Offset,
158 SymbolRef &Sym);
159 std::error_code resolveSymbolName(const coff_section *Section,
160 uint64_t Offset, StringRef &Name);
161 std::error_code resolveSymbolName(const coff_section *Section,
162 StringRef SectionContents,
163 const void *RelocPtr, StringRef &Name);
164 void printImportedSymbols(iterator_range<imported_symbol_iterator> Range);
165 void printDelayImportedSymbols(
166 const DelayImportDirectoryEntryRef &I,
167 iterator_range<imported_symbol_iterator> Range);
168 ErrorOr<const coff_resource_dir_entry &>
169 getResourceDirectoryTableEntry(const coff_resource_dir_table &Table,
170 uint32_t Index);
171
172 typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy;
173
174 const llvm::object::COFFObjectFile *Obj;
175 bool RelocCached = false;
176 RelocMapTy RelocMap;
177
178 DebugChecksumsSubsectionRef CVFileChecksumTable;
179
180 DebugStringTableSubsectionRef CVStringTable;
181
182 /// Track the compilation CPU type. S_COMPILE3 symbol records typically come
183 /// first, but if we don't see one, just assume an X64 CPU type. It is common.
184 CPUType CompilationCPUType = CPUType::X64;
185
186 ScopedPrinter &Writer;
187 BinaryByteStream TypeContents;
188 LazyRandomTypeCollection Types;
189};
190
191class COFFObjectDumpDelegate : public SymbolDumpDelegate {
192public:
193 COFFObjectDumpDelegate(COFFDumper &CD, const SectionRef &SR,
194 const COFFObjectFile *Obj, StringRef SectionContents)
195 : CD(CD), SR(SR), SectionContents(SectionContents) {
196 Sec = Obj->getCOFFSection(SR);
197 }
198
199 uint32_t getRecordOffset(BinaryStreamReader Reader) override {
200 ArrayRef<uint8_t> Data;
201 if (auto EC = Reader.readLongestContiguousChunk(Data)) {
202 llvm::consumeError(std::move(EC));
203 return 0;
204 }
205 return Data.data() - SectionContents.bytes_begin();
206 }
207
208 void printRelocatedField(StringRef Label, uint32_t RelocOffset,
209 uint32_t Offset, StringRef *RelocSym) override {
210 CD.printRelocatedField(Label, Sec, RelocOffset, Offset, RelocSym);
211 }
212
213 void printBinaryBlockWithRelocs(StringRef Label,
214 ArrayRef<uint8_t> Block) override {
215 StringRef SBlock(reinterpret_cast<const char *>(Block.data()),
216 Block.size());
217 if (opts::CodeViewSubsectionBytes)
218 CD.printBinaryBlockWithRelocs(Label, SR, SectionContents, SBlock);
219 }
220
221 StringRef getFileNameForFileOffset(uint32_t FileOffset) override {
222 return CD.getFileNameForFileOffset(FileOffset);
223 }
224
225 DebugStringTableSubsectionRef getStringTable() override {
226 return CD.CVStringTable;
227 }
228
229private:
230 COFFDumper &CD;
231 const SectionRef &SR;
232 const coff_section *Sec;
233 StringRef SectionContents;
234};
235
236} // end namespace
237
238namespace llvm {
239
240std::error_code createCOFFDumper(const object::ObjectFile *Obj,
241 ScopedPrinter &Writer,
242 std::unique_ptr<ObjDumper> &Result) {
243 const COFFObjectFile *COFFObj = dyn_cast<COFFObjectFile>(Obj);
244 if (!COFFObj)
245 return readobj_error::unsupported_obj_file_format;
246
247 Result.reset(new COFFDumper(COFFObj, Writer));
248 return readobj_error::success;
249}
250
251} // namespace llvm
252
253// Given a section and an offset into this section the function returns the
254// symbol used for the relocation at the offset.
255std::error_code COFFDumper::resolveSymbol(const coff_section *Section,
256 uint64_t Offset, SymbolRef &Sym) {
257 cacheRelocations();
258 const auto &Relocations = RelocMap[Section];
259 auto SymI = Obj->symbol_end();
260 for (const auto &Relocation : Relocations) {
261 uint64_t RelocationOffset = Relocation.getOffset();
262
263 if (RelocationOffset == Offset) {
264 SymI = Relocation.getSymbol();
265 break;
266 }
267 }
268 if (SymI == Obj->symbol_end())
269 return readobj_error::unknown_symbol;
270 Sym = *SymI;
271 return readobj_error::success;
272}
273
274// Given a section and an offset into this section the function returns the name
275// of the symbol used for the relocation at the offset.
276std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
277 uint64_t Offset,
278 StringRef &Name) {
279 SymbolRef Symbol;
280 if (std::error_code EC = resolveSymbol(Section, Offset, Symbol))
281 return EC;
282 Expected<StringRef> NameOrErr = Symbol.getName();
283 if (!NameOrErr)
284 return errorToErrorCode(NameOrErr.takeError());
285 Name = *NameOrErr;
286 return std::error_code();
287}
288
289// Helper for when you have a pointer to real data and you want to know about
290// relocations against it.
291std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
292 StringRef SectionContents,
293 const void *RelocPtr,
294 StringRef &Name) {
295 assert(SectionContents.data() < RelocPtr &&((SectionContents.data() < RelocPtr && RelocPtr <
SectionContents.data() + SectionContents.size() && "pointer to relocated object is not in section"
) ? static_cast<void> (0) : __assert_fail ("SectionContents.data() < RelocPtr && RelocPtr < SectionContents.data() + SectionContents.size() && \"pointer to relocated object is not in section\""
, "/build/llvm-toolchain-snapshot-8~svn345461/tools/llvm-readobj/COFFDumper.cpp"
, 297, __PRETTY_FUNCTION__))
296 RelocPtr < SectionContents.data() + SectionContents.size() &&((SectionContents.data() < RelocPtr && RelocPtr <
SectionContents.data() + SectionContents.size() && "pointer to relocated object is not in section"
) ? static_cast<void> (0) : __assert_fail ("SectionContents.data() < RelocPtr && RelocPtr < SectionContents.data() + SectionContents.size() && \"pointer to relocated object is not in section\""
, "/build/llvm-toolchain-snapshot-8~svn345461/tools/llvm-readobj/COFFDumper.cpp"
, 297, __PRETTY_FUNCTION__))
297 "pointer to relocated object is not in section")((SectionContents.data() < RelocPtr && RelocPtr <
SectionContents.data() + SectionContents.size() && "pointer to relocated object is not in section"
) ? static_cast<void> (0) : __assert_fail ("SectionContents.data() < RelocPtr && RelocPtr < SectionContents.data() + SectionContents.size() && \"pointer to relocated object is not in section\""
, "/build/llvm-toolchain-snapshot-8~svn345461/tools/llvm-readobj/COFFDumper.cpp"
, 297, __PRETTY_FUNCTION__))
;
298 uint64_t Offset = ptrdiff_t(reinterpret_cast<const char *>(RelocPtr) -
299 SectionContents.data());
300 return resolveSymbolName(Section, Offset, Name);
301}
302
303void COFFDumper::printRelocatedField(StringRef Label, const coff_section *Sec,
304 uint32_t RelocOffset, uint32_t Offset,
305 StringRef *RelocSym) {
306 StringRef SymStorage;
307 StringRef &Symbol = RelocSym ? *RelocSym : SymStorage;
308 if (!resolveSymbolName(Sec, RelocOffset, Symbol))
309 W.printSymbolOffset(Label, Symbol, Offset);
310 else
311 W.printHex(Label, RelocOffset);
312}
313
314void COFFDumper::printBinaryBlockWithRelocs(StringRef Label,
315 const SectionRef &Sec,
316 StringRef SectionContents,
317 StringRef Block) {
318 W.printBinaryBlock(Label, Block);
319
320 assert(SectionContents.begin() < Block.begin() &&((SectionContents.begin() < Block.begin() && SectionContents
.end() >= Block.end() && "Block is not contained in SectionContents"
) ? static_cast<void> (0) : __assert_fail ("SectionContents.begin() < Block.begin() && SectionContents.end() >= Block.end() && \"Block is not contained in SectionContents\""
, "/build/llvm-toolchain-snapshot-8~svn345461/tools/llvm-readobj/COFFDumper.cpp"
, 322, __PRETTY_FUNCTION__))
321 SectionContents.end() >= Block.end() &&((SectionContents.begin() < Block.begin() && SectionContents
.end() >= Block.end() && "Block is not contained in SectionContents"
) ? static_cast<void> (0) : __assert_fail ("SectionContents.begin() < Block.begin() && SectionContents.end() >= Block.end() && \"Block is not contained in SectionContents\""
, "/build/llvm-toolchain-snapshot-8~svn345461/tools/llvm-readobj/COFFDumper.cpp"
, 322, __PRETTY_FUNCTION__))
322 "Block is not contained in SectionContents")((SectionContents.begin() < Block.begin() && SectionContents
.end() >= Block.end() && "Block is not contained in SectionContents"
) ? static_cast<void> (0) : __assert_fail ("SectionContents.begin() < Block.begin() && SectionContents.end() >= Block.end() && \"Block is not contained in SectionContents\""
, "/build/llvm-toolchain-snapshot-8~svn345461/tools/llvm-readobj/COFFDumper.cpp"
, 322, __PRETTY_FUNCTION__))
;
323 uint64_t OffsetStart = Block.data() - SectionContents.data();
324 uint64_t OffsetEnd = OffsetStart + Block.size();
325
326 W.flush();
327 cacheRelocations();
328 ListScope D(W, "BlockRelocations");
329 const coff_section *Section = Obj->getCOFFSection(Sec);
330 const auto &Relocations = RelocMap[Section];
331 for (const auto &Relocation : Relocations) {
332 uint64_t RelocationOffset = Relocation.getOffset();
333 if (OffsetStart <= RelocationOffset && RelocationOffset < OffsetEnd)
334 printRelocation(Sec, Relocation, OffsetStart);
335 }
336}
337
338static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = {
339 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_UNKNOWN ){ "IMAGE_FILE_MACHINE_UNKNOWN", COFF::IMAGE_FILE_MACHINE_UNKNOWN
}
,
340 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AM33 ){ "IMAGE_FILE_MACHINE_AM33", COFF::IMAGE_FILE_MACHINE_AM33 },
341 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AMD64 ){ "IMAGE_FILE_MACHINE_AMD64", COFF::IMAGE_FILE_MACHINE_AMD64 },
342 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM ){ "IMAGE_FILE_MACHINE_ARM", COFF::IMAGE_FILE_MACHINE_ARM },
343 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM64 ){ "IMAGE_FILE_MACHINE_ARM64", COFF::IMAGE_FILE_MACHINE_ARM64 },
344 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARMNT ){ "IMAGE_FILE_MACHINE_ARMNT", COFF::IMAGE_FILE_MACHINE_ARMNT },
345 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_EBC ){ "IMAGE_FILE_MACHINE_EBC", COFF::IMAGE_FILE_MACHINE_EBC },
346 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_I386 ){ "IMAGE_FILE_MACHINE_I386", COFF::IMAGE_FILE_MACHINE_I386 },
347 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_IA64 ){ "IMAGE_FILE_MACHINE_IA64", COFF::IMAGE_FILE_MACHINE_IA64 },
348 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_M32R ){ "IMAGE_FILE_MACHINE_M32R", COFF::IMAGE_FILE_MACHINE_M32R },
349 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPS16 ){ "IMAGE_FILE_MACHINE_MIPS16", COFF::IMAGE_FILE_MACHINE_MIPS16
}
,
350 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU ){ "IMAGE_FILE_MACHINE_MIPSFPU", COFF::IMAGE_FILE_MACHINE_MIPSFPU
}
,
351 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU16){ "IMAGE_FILE_MACHINE_MIPSFPU16", COFF::IMAGE_FILE_MACHINE_MIPSFPU16
}
,
352 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPC ){ "IMAGE_FILE_MACHINE_POWERPC", COFF::IMAGE_FILE_MACHINE_POWERPC
}
,
353 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPCFP){ "IMAGE_FILE_MACHINE_POWERPCFP", COFF::IMAGE_FILE_MACHINE_POWERPCFP
}
,
354 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_R4000 ){ "IMAGE_FILE_MACHINE_R4000", COFF::IMAGE_FILE_MACHINE_R4000 },
355 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3 ){ "IMAGE_FILE_MACHINE_SH3", COFF::IMAGE_FILE_MACHINE_SH3 },
356 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3DSP ){ "IMAGE_FILE_MACHINE_SH3DSP", COFF::IMAGE_FILE_MACHINE_SH3DSP
}
,
357 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH4 ){ "IMAGE_FILE_MACHINE_SH4", COFF::IMAGE_FILE_MACHINE_SH4 },
358 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH5 ){ "IMAGE_FILE_MACHINE_SH5", COFF::IMAGE_FILE_MACHINE_SH5 },
359 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_THUMB ){ "IMAGE_FILE_MACHINE_THUMB", COFF::IMAGE_FILE_MACHINE_THUMB },
360 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_WCEMIPSV2){ "IMAGE_FILE_MACHINE_WCEMIPSV2", COFF::IMAGE_FILE_MACHINE_WCEMIPSV2
}
361};
362
363static const EnumEntry<COFF::Characteristics> ImageFileCharacteristics[] = {
364 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_RELOCS_STRIPPED ){ "IMAGE_FILE_RELOCS_STRIPPED", COFF::IMAGE_FILE_RELOCS_STRIPPED
}
,
365 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_EXECUTABLE_IMAGE ){ "IMAGE_FILE_EXECUTABLE_IMAGE", COFF::IMAGE_FILE_EXECUTABLE_IMAGE
}
,
366 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LINE_NUMS_STRIPPED ){ "IMAGE_FILE_LINE_NUMS_STRIPPED", COFF::IMAGE_FILE_LINE_NUMS_STRIPPED
}
,
367 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LOCAL_SYMS_STRIPPED ){ "IMAGE_FILE_LOCAL_SYMS_STRIPPED", COFF::IMAGE_FILE_LOCAL_SYMS_STRIPPED
}
,
368 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_AGGRESSIVE_WS_TRIM ){ "IMAGE_FILE_AGGRESSIVE_WS_TRIM", COFF::IMAGE_FILE_AGGRESSIVE_WS_TRIM
}
,
369 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LARGE_ADDRESS_AWARE ){ "IMAGE_FILE_LARGE_ADDRESS_AWARE", COFF::IMAGE_FILE_LARGE_ADDRESS_AWARE
}
,
370 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_LO ){ "IMAGE_FILE_BYTES_REVERSED_LO", COFF::IMAGE_FILE_BYTES_REVERSED_LO
}
,
371 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_32BIT_MACHINE ){ "IMAGE_FILE_32BIT_MACHINE", COFF::IMAGE_FILE_32BIT_MACHINE },
372 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DEBUG_STRIPPED ){ "IMAGE_FILE_DEBUG_STRIPPED", COFF::IMAGE_FILE_DEBUG_STRIPPED
}
,
373 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP){ "IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP", COFF::IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP
}
,
374 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_NET_RUN_FROM_SWAP ){ "IMAGE_FILE_NET_RUN_FROM_SWAP", COFF::IMAGE_FILE_NET_RUN_FROM_SWAP
}
,
375 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_SYSTEM ){ "IMAGE_FILE_SYSTEM", COFF::IMAGE_FILE_SYSTEM },
376 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DLL ){ "IMAGE_FILE_DLL", COFF::IMAGE_FILE_DLL },
377 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_UP_SYSTEM_ONLY ){ "IMAGE_FILE_UP_SYSTEM_ONLY", COFF::IMAGE_FILE_UP_SYSTEM_ONLY
}
,
378 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_HI ){ "IMAGE_FILE_BYTES_REVERSED_HI", COFF::IMAGE_FILE_BYTES_REVERSED_HI
}
379};
380
381static const EnumEntry<COFF::WindowsSubsystem> PEWindowsSubsystem[] = {
382 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_UNKNOWN ){ "IMAGE_SUBSYSTEM_UNKNOWN", COFF::IMAGE_SUBSYSTEM_UNKNOWN },
383 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_NATIVE ){ "IMAGE_SUBSYSTEM_NATIVE", COFF::IMAGE_SUBSYSTEM_NATIVE },
384 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_GUI ){ "IMAGE_SUBSYSTEM_WINDOWS_GUI", COFF::IMAGE_SUBSYSTEM_WINDOWS_GUI
}
,
385 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CUI ){ "IMAGE_SUBSYSTEM_WINDOWS_CUI", COFF::IMAGE_SUBSYSTEM_WINDOWS_CUI
}
,
386 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_POSIX_CUI ){ "IMAGE_SUBSYSTEM_POSIX_CUI", COFF::IMAGE_SUBSYSTEM_POSIX_CUI
}
,
387 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI ){ "IMAGE_SUBSYSTEM_WINDOWS_CE_GUI", COFF::IMAGE_SUBSYSTEM_WINDOWS_CE_GUI
}
,
388 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_APPLICATION ){ "IMAGE_SUBSYSTEM_EFI_APPLICATION", COFF::IMAGE_SUBSYSTEM_EFI_APPLICATION
}
,
389 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER){ "IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER", COFF::IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER
}
,
390 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER ){ "IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER", COFF::IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER
}
,
391 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_ROM ){ "IMAGE_SUBSYSTEM_EFI_ROM", COFF::IMAGE_SUBSYSTEM_EFI_ROM },
392 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_XBOX ){ "IMAGE_SUBSYSTEM_XBOX", COFF::IMAGE_SUBSYSTEM_XBOX },
393};
394
395static const EnumEntry<COFF::DLLCharacteristics> PEDLLCharacteristics[] = {
396 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA ){ "IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA", COFF::IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA
}
,
397 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE ){ "IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE", COFF::IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE
}
,
398 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY ){ "IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY", COFF::IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY
}
,
399 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ){ "IMAGE_DLL_CHARACTERISTICS_NX_COMPAT", COFF::IMAGE_DLL_CHARACTERISTICS_NX_COMPAT
}
,
400 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION ){ "IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION", COFF::IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION
}
,
401 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH ){ "IMAGE_DLL_CHARACTERISTICS_NO_SEH", COFF::IMAGE_DLL_CHARACTERISTICS_NO_SEH
}
,
402 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND ){ "IMAGE_DLL_CHARACTERISTICS_NO_BIND", COFF::IMAGE_DLL_CHARACTERISTICS_NO_BIND
}
,
403 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_APPCONTAINER ){ "IMAGE_DLL_CHARACTERISTICS_APPCONTAINER", COFF::IMAGE_DLL_CHARACTERISTICS_APPCONTAINER
}
,
404 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER ){ "IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER", COFF::IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER
}
,
405 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_GUARD_CF ){ "IMAGE_DLL_CHARACTERISTICS_GUARD_CF", COFF::IMAGE_DLL_CHARACTERISTICS_GUARD_CF
}
,
406 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE){ "IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE", COFF::IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE
}
,
407};
408
409static const EnumEntry<COFF::SectionCharacteristics>
410ImageSectionCharacteristics[] = {
411 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NOLOAD ){ "IMAGE_SCN_TYPE_NOLOAD", COFF::IMAGE_SCN_TYPE_NOLOAD },
412 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD ){ "IMAGE_SCN_TYPE_NO_PAD", COFF::IMAGE_SCN_TYPE_NO_PAD },
413 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE ){ "IMAGE_SCN_CNT_CODE", COFF::IMAGE_SCN_CNT_CODE },
414 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA ){ "IMAGE_SCN_CNT_INITIALIZED_DATA", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA
}
,
415 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_UNINITIALIZED_DATA){ "IMAGE_SCN_CNT_UNINITIALIZED_DATA", COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA
}
,
416 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_OTHER ){ "IMAGE_SCN_LNK_OTHER", COFF::IMAGE_SCN_LNK_OTHER },
417 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_INFO ){ "IMAGE_SCN_LNK_INFO", COFF::IMAGE_SCN_LNK_INFO },
418 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_REMOVE ){ "IMAGE_SCN_LNK_REMOVE", COFF::IMAGE_SCN_LNK_REMOVE },
419 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_COMDAT ){ "IMAGE_SCN_LNK_COMDAT", COFF::IMAGE_SCN_LNK_COMDAT },
420 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_GPREL ){ "IMAGE_SCN_GPREL", COFF::IMAGE_SCN_GPREL },
421 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PURGEABLE ){ "IMAGE_SCN_MEM_PURGEABLE", COFF::IMAGE_SCN_MEM_PURGEABLE },
422 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_16BIT ){ "IMAGE_SCN_MEM_16BIT", COFF::IMAGE_SCN_MEM_16BIT },
423 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_LOCKED ){ "IMAGE_SCN_MEM_LOCKED", COFF::IMAGE_SCN_MEM_LOCKED },
424 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PRELOAD ){ "IMAGE_SCN_MEM_PRELOAD", COFF::IMAGE_SCN_MEM_PRELOAD },
425 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1BYTES ){ "IMAGE_SCN_ALIGN_1BYTES", COFF::IMAGE_SCN_ALIGN_1BYTES },
426 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2BYTES ){ "IMAGE_SCN_ALIGN_2BYTES", COFF::IMAGE_SCN_ALIGN_2BYTES },
427 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4BYTES ){ "IMAGE_SCN_ALIGN_4BYTES", COFF::IMAGE_SCN_ALIGN_4BYTES },
428 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8BYTES ){ "IMAGE_SCN_ALIGN_8BYTES", COFF::IMAGE_SCN_ALIGN_8BYTES },
429 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_16BYTES ){ "IMAGE_SCN_ALIGN_16BYTES", COFF::IMAGE_SCN_ALIGN_16BYTES },
430 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_32BYTES ){ "IMAGE_SCN_ALIGN_32BYTES", COFF::IMAGE_SCN_ALIGN_32BYTES },
431 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_64BYTES ){ "IMAGE_SCN_ALIGN_64BYTES", COFF::IMAGE_SCN_ALIGN_64BYTES },
432 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_128BYTES ){ "IMAGE_SCN_ALIGN_128BYTES", COFF::IMAGE_SCN_ALIGN_128BYTES },
433 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_256BYTES ){ "IMAGE_SCN_ALIGN_256BYTES", COFF::IMAGE_SCN_ALIGN_256BYTES },
434 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_512BYTES ){ "IMAGE_SCN_ALIGN_512BYTES", COFF::IMAGE_SCN_ALIGN_512BYTES },
435 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1024BYTES ){ "IMAGE_SCN_ALIGN_1024BYTES", COFF::IMAGE_SCN_ALIGN_1024BYTES
}
,
436 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2048BYTES ){ "IMAGE_SCN_ALIGN_2048BYTES", COFF::IMAGE_SCN_ALIGN_2048BYTES
}
,
437 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4096BYTES ){ "IMAGE_SCN_ALIGN_4096BYTES", COFF::IMAGE_SCN_ALIGN_4096BYTES
}
,
438 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8192BYTES ){ "IMAGE_SCN_ALIGN_8192BYTES", COFF::IMAGE_SCN_ALIGN_8192BYTES
}
,
439 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_NRELOC_OVFL ){ "IMAGE_SCN_LNK_NRELOC_OVFL", COFF::IMAGE_SCN_LNK_NRELOC_OVFL
}
,
440 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_DISCARDABLE ){ "IMAGE_SCN_MEM_DISCARDABLE", COFF::IMAGE_SCN_MEM_DISCARDABLE
}
,
441 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_CACHED ){ "IMAGE_SCN_MEM_NOT_CACHED", COFF::IMAGE_SCN_MEM_NOT_CACHED },
442 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_PAGED ){ "IMAGE_SCN_MEM_NOT_PAGED", COFF::IMAGE_SCN_MEM_NOT_PAGED },
443 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_SHARED ){ "IMAGE_SCN_MEM_SHARED", COFF::IMAGE_SCN_MEM_SHARED },
444 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_EXECUTE ){ "IMAGE_SCN_MEM_EXECUTE", COFF::IMAGE_SCN_MEM_EXECUTE },
445 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_READ ){ "IMAGE_SCN_MEM_READ", COFF::IMAGE_SCN_MEM_READ },
446 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_WRITE ){ "IMAGE_SCN_MEM_WRITE", COFF::IMAGE_SCN_MEM_WRITE }
447};
448
449static const EnumEntry<COFF::SymbolBaseType> ImageSymType[] = {
450 { "Null" , COFF::IMAGE_SYM_TYPE_NULL },
451 { "Void" , COFF::IMAGE_SYM_TYPE_VOID },
452 { "Char" , COFF::IMAGE_SYM_TYPE_CHAR },
453 { "Short" , COFF::IMAGE_SYM_TYPE_SHORT },
454 { "Int" , COFF::IMAGE_SYM_TYPE_INT },
455 { "Long" , COFF::IMAGE_SYM_TYPE_LONG },
456 { "Float" , COFF::IMAGE_SYM_TYPE_FLOAT },
457 { "Double", COFF::IMAGE_SYM_TYPE_DOUBLE },
458 { "Struct", COFF::IMAGE_SYM_TYPE_STRUCT },
459 { "Union" , COFF::IMAGE_SYM_TYPE_UNION },
460 { "Enum" , COFF::IMAGE_SYM_TYPE_ENUM },
461 { "MOE" , COFF::IMAGE_SYM_TYPE_MOE },
462 { "Byte" , COFF::IMAGE_SYM_TYPE_BYTE },
463 { "Word" , COFF::IMAGE_SYM_TYPE_WORD },
464 { "UInt" , COFF::IMAGE_SYM_TYPE_UINT },
465 { "DWord" , COFF::IMAGE_SYM_TYPE_DWORD }
466};
467
468static const EnumEntry<COFF::SymbolComplexType> ImageSymDType[] = {
469 { "Null" , COFF::IMAGE_SYM_DTYPE_NULL },
470 { "Pointer" , COFF::IMAGE_SYM_DTYPE_POINTER },
471 { "Function", COFF::IMAGE_SYM_DTYPE_FUNCTION },
472 { "Array" , COFF::IMAGE_SYM_DTYPE_ARRAY }
473};
474
475static const EnumEntry<COFF::SymbolStorageClass> ImageSymClass[] = {
476 { "EndOfFunction" , COFF::IMAGE_SYM_CLASS_END_OF_FUNCTION },
477 { "Null" , COFF::IMAGE_SYM_CLASS_NULL },
478 { "Automatic" , COFF::IMAGE_SYM_CLASS_AUTOMATIC },
479 { "External" , COFF::IMAGE_SYM_CLASS_EXTERNAL },
480 { "Static" , COFF::IMAGE_SYM_CLASS_STATIC },
481 { "Register" , COFF::IMAGE_SYM_CLASS_REGISTER },
482 { "ExternalDef" , COFF::IMAGE_SYM_CLASS_EXTERNAL_DEF },
483 { "Label" , COFF::IMAGE_SYM_CLASS_LABEL },
484 { "UndefinedLabel" , COFF::IMAGE_SYM_CLASS_UNDEFINED_LABEL },
485 { "MemberOfStruct" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_STRUCT },
486 { "Argument" , COFF::IMAGE_SYM_CLASS_ARGUMENT },
487 { "StructTag" , COFF::IMAGE_SYM_CLASS_STRUCT_TAG },
488 { "MemberOfUnion" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_UNION },
489 { "UnionTag" , COFF::IMAGE_SYM_CLASS_UNION_TAG },
490 { "TypeDefinition" , COFF::IMAGE_SYM_CLASS_TYPE_DEFINITION },
491 { "UndefinedStatic", COFF::IMAGE_SYM_CLASS_UNDEFINED_STATIC },
492 { "EnumTag" , COFF::IMAGE_SYM_CLASS_ENUM_TAG },
493 { "MemberOfEnum" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_ENUM },
494 { "RegisterParam" , COFF::IMAGE_SYM_CLASS_REGISTER_PARAM },
495 { "BitField" , COFF::IMAGE_SYM_CLASS_BIT_FIELD },
496 { "Block" , COFF::IMAGE_SYM_CLASS_BLOCK },
497 { "Function" , COFF::IMAGE_SYM_CLASS_FUNCTION },
498 { "EndOfStruct" , COFF::IMAGE_SYM_CLASS_END_OF_STRUCT },
499 { "File" , COFF::IMAGE_SYM_CLASS_FILE },
500 { "Section" , COFF::IMAGE_SYM_CLASS_SECTION },
501 { "WeakExternal" , COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL },
502 { "CLRToken" , COFF::IMAGE_SYM_CLASS_CLR_TOKEN }
503};
504
505static const EnumEntry<COFF::COMDATType> ImageCOMDATSelect[] = {
506 { "NoDuplicates", COFF::IMAGE_COMDAT_SELECT_NODUPLICATES },
507 { "Any" , COFF::IMAGE_COMDAT_SELECT_ANY },
508 { "SameSize" , COFF::IMAGE_COMDAT_SELECT_SAME_SIZE },
509 { "ExactMatch" , COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH },
510 { "Associative" , COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE },
511 { "Largest" , COFF::IMAGE_COMDAT_SELECT_LARGEST },
512 { "Newest" , COFF::IMAGE_COMDAT_SELECT_NEWEST }
513};
514
515static const EnumEntry<COFF::DebugType> ImageDebugType[] = {
516 { "Unknown" , COFF::IMAGE_DEBUG_TYPE_UNKNOWN },
517 { "COFF" , COFF::IMAGE_DEBUG_TYPE_COFF },
518 { "CodeView" , COFF::IMAGE_DEBUG_TYPE_CODEVIEW },
519 { "FPO" , COFF::IMAGE_DEBUG_TYPE_FPO },
520 { "Misc" , COFF::IMAGE_DEBUG_TYPE_MISC },
521 { "Exception" , COFF::IMAGE_DEBUG_TYPE_EXCEPTION },
522 { "Fixup" , COFF::IMAGE_DEBUG_TYPE_FIXUP },
523 { "OmapToSrc" , COFF::IMAGE_DEBUG_TYPE_OMAP_TO_SRC },
524 { "OmapFromSrc", COFF::IMAGE_DEBUG_TYPE_OMAP_FROM_SRC },
525 { "Borland" , COFF::IMAGE_DEBUG_TYPE_BORLAND },
526 { "Reserved10" , COFF::IMAGE_DEBUG_TYPE_RESERVED10 },
527 { "CLSID" , COFF::IMAGE_DEBUG_TYPE_CLSID },
528 { "VCFeature" , COFF::IMAGE_DEBUG_TYPE_VC_FEATURE },
529 { "POGO" , COFF::IMAGE_DEBUG_TYPE_POGO },
530 { "ILTCG" , COFF::IMAGE_DEBUG_TYPE_ILTCG },
531 { "MPX" , COFF::IMAGE_DEBUG_TYPE_MPX },
532 { "Repro" , COFF::IMAGE_DEBUG_TYPE_REPRO },
533};
534
535static const EnumEntry<COFF::WeakExternalCharacteristics>
536WeakExternalCharacteristics[] = {
537 { "NoLibrary", COFF::IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY },
538 { "Library" , COFF::IMAGE_WEAK_EXTERN_SEARCH_LIBRARY },
539 { "Alias" , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS }
540};
541
542static const EnumEntry<uint32_t> SubSectionTypes[] = {
543 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Symbols){ "Symbols", std::underlying_type<DebugSubsectionKind>::
type(DebugSubsectionKind::Symbols) }
,
544 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Lines){ "Lines", std::underlying_type<DebugSubsectionKind>::type
(DebugSubsectionKind::Lines) }
,
545 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, StringTable){ "StringTable", std::underlying_type<DebugSubsectionKind>
::type(DebugSubsectionKind::StringTable) }
,
546 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FileChecksums){ "FileChecksums", std::underlying_type<DebugSubsectionKind
>::type(DebugSubsectionKind::FileChecksums) }
,
547 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FrameData){ "FrameData", std::underlying_type<DebugSubsectionKind>
::type(DebugSubsectionKind::FrameData) }
,
548 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, InlineeLines){ "InlineeLines", std::underlying_type<DebugSubsectionKind
>::type(DebugSubsectionKind::InlineeLines) }
,
549 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeImports){ "CrossScopeImports", std::underlying_type<DebugSubsectionKind
>::type(DebugSubsectionKind::CrossScopeImports) }
,
550 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeExports){ "CrossScopeExports", std::underlying_type<DebugSubsectionKind
>::type(DebugSubsectionKind::CrossScopeExports) }
,
551 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, ILLines){ "ILLines", std::underlying_type<DebugSubsectionKind>::
type(DebugSubsectionKind::ILLines) }
,
552 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FuncMDTokenMap){ "FuncMDTokenMap", std::underlying_type<DebugSubsectionKind
>::type(DebugSubsectionKind::FuncMDTokenMap) }
,
553 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, TypeMDTokenMap){ "TypeMDTokenMap", std::underlying_type<DebugSubsectionKind
>::type(DebugSubsectionKind::TypeMDTokenMap) }
,
554 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, MergedAssemblyInput){ "MergedAssemblyInput", std::underlying_type<DebugSubsectionKind
>::type(DebugSubsectionKind::MergedAssemblyInput) }
,
555 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CoffSymbolRVA){ "CoffSymbolRVA", std::underlying_type<DebugSubsectionKind
>::type(DebugSubsectionKind::CoffSymbolRVA) }
,
556};
557
558static const EnumEntry<uint32_t> FrameDataFlags[] = {
559 LLVM_READOBJ_ENUM_ENT(FrameData, HasSEH){ "HasSEH", FrameData::HasSEH },
560 LLVM_READOBJ_ENUM_ENT(FrameData, HasEH){ "HasEH", FrameData::HasEH },
561 LLVM_READOBJ_ENUM_ENT(FrameData, IsFunctionStart){ "IsFunctionStart", FrameData::IsFunctionStart },
562};
563
564static const EnumEntry<uint8_t> FileChecksumKindNames[] = {
565 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, None){ "None", std::underlying_type<FileChecksumKind>::type(
FileChecksumKind::None) }
,
566 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, MD5){ "MD5", std::underlying_type<FileChecksumKind>::type(FileChecksumKind
::MD5) }
,
567 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA1){ "SHA1", std::underlying_type<FileChecksumKind>::type(
FileChecksumKind::SHA1) }
,
568 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA256){ "SHA256", std::underlying_type<FileChecksumKind>::type
(FileChecksumKind::SHA256) }
,
569};
570
571static const EnumEntry<COFF::ResourceTypeID> ResourceTypeNames[]{
572 {"kRT_CURSOR (ID 1)", COFF::RID_Cursor},
573 {"kRT_BITMAP (ID 2)", COFF::RID_Bitmap},
574 {"kRT_ICON (ID 3)", COFF::RID_Icon},
575 {"kRT_MENU (ID 4)", COFF::RID_Menu},
576 {"kRT_DIALOG (ID 5)", COFF::RID_Dialog},
577 {"kRT_STRING (ID 6)", COFF::RID_String},
578 {"kRT_FONTDIR (ID 7)", COFF::RID_FontDir},
579 {"kRT_FONT (ID 8)", COFF::RID_Font},
580 {"kRT_ACCELERATOR (ID 9)", COFF::RID_Accelerator},
581 {"kRT_RCDATA (ID 10)", COFF::RID_RCData},
582 {"kRT_MESSAGETABLE (ID 11)", COFF::RID_MessageTable},
583 {"kRT_GROUP_CURSOR (ID 12)", COFF::RID_Group_Cursor},
584 {"kRT_GROUP_ICON (ID 14)", COFF::RID_Group_Icon},
585 {"kRT_VERSION (ID 16)", COFF::RID_Version},
586 {"kRT_DLGINCLUDE (ID 17)", COFF::RID_DLGInclude},
587 {"kRT_PLUGPLAY (ID 19)", COFF::RID_PlugPlay},
588 {"kRT_VXD (ID 20)", COFF::RID_VXD},
589 {"kRT_ANICURSOR (ID 21)", COFF::RID_AniCursor},
590 {"kRT_ANIICON (ID 22)", COFF::RID_AniIcon},
591 {"kRT_HTML (ID 23)", COFF::RID_HTML},
592 {"kRT_MANIFEST (ID 24)", COFF::RID_Manifest}};
593
594template <typename T>
595static std::error_code getSymbolAuxData(const COFFObjectFile *Obj,
596 COFFSymbolRef Symbol,
597 uint8_t AuxSymbolIdx, const T *&Aux) {
598 ArrayRef<uint8_t> AuxData = Obj->getSymbolAuxData(Symbol);
599 AuxData = AuxData.slice(AuxSymbolIdx * Obj->getSymbolTableEntrySize());
600 Aux = reinterpret_cast<const T*>(AuxData.data());
601 return readobj_error::success;
602}
603
604void COFFDumper::cacheRelocations() {
605 if (RelocCached)
606 return;
607 RelocCached = true;
608
609 for (const SectionRef &S : Obj->sections()) {
610 const coff_section *Section = Obj->getCOFFSection(S);
611
612 for (const RelocationRef &Reloc : S.relocations())
613 RelocMap[Section].push_back(Reloc);
614
615 // Sort relocations by address.
616 llvm::sort(RelocMap[Section], relocAddressLess);
617 }
618}
619
620void COFFDumper::printDataDirectory(uint32_t Index, const std::string &FieldName) {
621 const data_directory *Data;
622 if (Obj->getDataDirectory(Index, Data))
623 return;
624 W.printHex(FieldName + "RVA", Data->RelativeVirtualAddress);
625 W.printHex(FieldName + "Size", Data->Size);
626}
627
628void COFFDumper::printFileHeaders() {
629 time_t TDS = Obj->getTimeDateStamp();
630 char FormattedTime[20] = { };
631 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
632
633 {
634 DictScope D(W, "ImageFileHeader");
635 W.printEnum ("Machine", Obj->getMachine(),
636 makeArrayRef(ImageFileMachineType));
637 W.printNumber("SectionCount", Obj->getNumberOfSections());
638 W.printHex ("TimeDateStamp", FormattedTime, Obj->getTimeDateStamp());
639 W.printHex ("PointerToSymbolTable", Obj->getPointerToSymbolTable());
640 W.printNumber("SymbolCount", Obj->getNumberOfSymbols());
641 W.printNumber("OptionalHeaderSize", Obj->getSizeOfOptionalHeader());
642 W.printFlags ("Characteristics", Obj->getCharacteristics(),
643 makeArrayRef(ImageFileCharacteristics));
644 }
645
646 // Print PE header. This header does not exist if this is an object file and
647 // not an executable.
648 const pe32_header *PEHeader = nullptr;
649 error(Obj->getPE32Header(PEHeader));
650 if (PEHeader)
651 printPEHeader<pe32_header>(PEHeader);
652
653 const pe32plus_header *PEPlusHeader = nullptr;
654 error(Obj->getPE32PlusHeader(PEPlusHeader));
655 if (PEPlusHeader)
656 printPEHeader<pe32plus_header>(PEPlusHeader);
657
658 if (const dos_header *DH = Obj->getDOSHeader())
659 printDOSHeader(DH);
660}
661
662void COFFDumper::printDOSHeader(const dos_header *DH) {
663 DictScope D(W, "DOSHeader");
664 W.printString("Magic", StringRef(DH->Magic, sizeof(DH->Magic)));
665 W.printNumber("UsedBytesInTheLastPage", DH->UsedBytesInTheLastPage);
666 W.printNumber("FileSizeInPages", DH->FileSizeInPages);
667 W.printNumber("NumberOfRelocationItems", DH->NumberOfRelocationItems);
668 W.printNumber("HeaderSizeInParagraphs", DH->HeaderSizeInParagraphs);
669 W.printNumber("MinimumExtraParagraphs", DH->MinimumExtraParagraphs);
670 W.printNumber("MaximumExtraParagraphs", DH->MaximumExtraParagraphs);
671 W.printNumber("InitialRelativeSS", DH->InitialRelativeSS);
672 W.printNumber("InitialSP", DH->InitialSP);
673 W.printNumber("Checksum", DH->Checksum);
674 W.printNumber("InitialIP", DH->InitialIP);
675 W.printNumber("InitialRelativeCS", DH->InitialRelativeCS);
676 W.printNumber("AddressOfRelocationTable", DH->AddressOfRelocationTable);
677 W.printNumber("OverlayNumber", DH->OverlayNumber);
678 W.printNumber("OEMid", DH->OEMid);
679 W.printNumber("OEMinfo", DH->OEMinfo);
680 W.printNumber("AddressOfNewExeHeader", DH->AddressOfNewExeHeader);
681}
682
683template <class PEHeader>
684void COFFDumper::printPEHeader(const PEHeader *Hdr) {
685 DictScope D(W, "ImageOptionalHeader");
686 W.printHex ("Magic", Hdr->Magic);
687 W.printNumber("MajorLinkerVersion", Hdr->MajorLinkerVersion);
688 W.printNumber("MinorLinkerVersion", Hdr->MinorLinkerVersion);
689 W.printNumber("SizeOfCode", Hdr->SizeOfCode);
690 W.printNumber("SizeOfInitializedData", Hdr->SizeOfInitializedData);
691 W.printNumber("SizeOfUninitializedData", Hdr->SizeOfUninitializedData);
692 W.printHex ("AddressOfEntryPoint", Hdr->AddressOfEntryPoint);
693 W.printHex ("BaseOfCode", Hdr->BaseOfCode);
694 printBaseOfDataField(Hdr);
695 W.printHex ("ImageBase", Hdr->ImageBase);
696 W.printNumber("SectionAlignment", Hdr->SectionAlignment);
697 W.printNumber("FileAlignment", Hdr->FileAlignment);
698 W.printNumber("MajorOperatingSystemVersion",
699 Hdr->MajorOperatingSystemVersion);
700 W.printNumber("MinorOperatingSystemVersion",
701 Hdr->MinorOperatingSystemVersion);
702 W.printNumber("MajorImageVersion", Hdr->MajorImageVersion);
703 W.printNumber("MinorImageVersion", Hdr->MinorImageVersion);
704 W.printNumber("MajorSubsystemVersion", Hdr->MajorSubsystemVersion);
705 W.printNumber("MinorSubsystemVersion", Hdr->MinorSubsystemVersion);
706 W.printNumber("SizeOfImage", Hdr->SizeOfImage);
707 W.printNumber("SizeOfHeaders", Hdr->SizeOfHeaders);
708 W.printEnum ("Subsystem", Hdr->Subsystem, makeArrayRef(PEWindowsSubsystem));
709 W.printFlags ("Characteristics", Hdr->DLLCharacteristics,
710 makeArrayRef(PEDLLCharacteristics));
711 W.printNumber("SizeOfStackReserve", Hdr->SizeOfStackReserve);
712 W.printNumber("SizeOfStackCommit", Hdr->SizeOfStackCommit);
713 W.printNumber("SizeOfHeapReserve", Hdr->SizeOfHeapReserve);
714 W.printNumber("SizeOfHeapCommit", Hdr->SizeOfHeapCommit);
715 W.printNumber("NumberOfRvaAndSize", Hdr->NumberOfRvaAndSize);
716
717 if (Hdr->NumberOfRvaAndSize > 0) {
718 DictScope D(W, "DataDirectory");
719 static const char * const directory[] = {
720 "ExportTable", "ImportTable", "ResourceTable", "ExceptionTable",
721 "CertificateTable", "BaseRelocationTable", "Debug", "Architecture",
722 "GlobalPtr", "TLSTable", "LoadConfigTable", "BoundImport", "IAT",
723 "DelayImportDescriptor", "CLRRuntimeHeader", "Reserved"
724 };
725
726 for (uint32_t i = 0; i < Hdr->NumberOfRvaAndSize; ++i)
727 printDataDirectory(i, directory[i]);
728 }
729}
730
731void COFFDumper::printCOFFDebugDirectory() {
732 ListScope LS(W, "DebugDirectory");
733 for (const debug_directory &D : Obj->debug_directories()) {
734 char FormattedTime[20] = {};
735 time_t TDS = D.TimeDateStamp;
736 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
737 DictScope S(W, "DebugEntry");
738 W.printHex("Characteristics", D.Characteristics);
739 W.printHex("TimeDateStamp", FormattedTime, D.TimeDateStamp);
740 W.printHex("MajorVersion", D.MajorVersion);
741 W.printHex("MinorVersion", D.MinorVersion);
742 W.printEnum("Type", D.Type, makeArrayRef(ImageDebugType));
743 W.printHex("SizeOfData", D.SizeOfData);
744 W.printHex("AddressOfRawData", D.AddressOfRawData);
745 W.printHex("PointerToRawData", D.PointerToRawData);
746 if (D.Type == COFF::IMAGE_DEBUG_TYPE_CODEVIEW) {
747 const codeview::DebugInfo *DebugInfo;
748 StringRef PDBFileName;
749 error(Obj->getDebugPDBInfo(&D, DebugInfo, PDBFileName));
750 DictScope PDBScope(W, "PDBInfo");
751 W.printHex("PDBSignature", DebugInfo->Signature.CVSignature);
752 if (DebugInfo->Signature.CVSignature == OMF::Signature::PDB70) {
753 W.printBinary("PDBGUID", makeArrayRef(DebugInfo->PDB70.Signature));
754 W.printNumber("PDBAge", DebugInfo->PDB70.Age);
755 W.printString("PDBFileName", PDBFileName);
756 }
757 } else if (D.SizeOfData != 0) {
758 // FIXME: Type values of 12 and 13 are commonly observed but are not in
759 // the documented type enum. Figure out what they mean.
760 ArrayRef<uint8_t> RawData;
761 error(
762 Obj->getRvaAndSizeAsBytes(D.AddressOfRawData, D.SizeOfData, RawData));
763 W.printBinaryBlock("RawData", RawData);
764 }
765 }
766}
767
768void COFFDumper::printRVATable(uint64_t TableVA, uint64_t Count,
769 uint64_t EntrySize, PrintExtraCB PrintExtra) {
770 uintptr_t TableStart, TableEnd;
771 error(Obj->getVaPtr(TableVA, TableStart));
772 error(Obj->getVaPtr(TableVA + Count * EntrySize - 1, TableEnd));
773 TableEnd++;
774 for (uintptr_t I = TableStart; I < TableEnd; I += EntrySize) {
775 uint32_t RVA = *reinterpret_cast<const ulittle32_t *>(I);
776 raw_ostream &OS = W.startLine();
777 OS << W.hex(Obj->getImageBase() + RVA);
778 if (PrintExtra)
779 PrintExtra(OS, reinterpret_cast<const uint8_t *>(I));
780 OS << '\n';
781 }
782}
783
784void COFFDumper::printCOFFLoadConfig() {
785 LoadConfigTables Tables;
786 if (Obj->is64())
787 printCOFFLoadConfig(Obj->getLoadConfig64(), Tables);
788 else
789 printCOFFLoadConfig(Obj->getLoadConfig32(), Tables);
790
791 if (Tables.SEHTableVA) {
792 ListScope LS(W, "SEHTable");
793 printRVATable(Tables.SEHTableVA, Tables.SEHTableCount, 4);
794 }
795
796 if (Tables.GuardFidTableVA) {
797 ListScope LS(W, "GuardFidTable");
798 if (Tables.GuardFlags & uint32_t(coff_guard_flags::FidTableHasFlags)) {
799 auto PrintGuardFlags = [](raw_ostream &OS, const uint8_t *Entry) {
800 uint8_t Flags = *reinterpret_cast<const uint8_t *>(Entry + 4);
801 if (Flags)
802 OS << " flags " << utohexstr(Flags);
803 };
804 printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 5,
805 PrintGuardFlags);
806 } else {
807 printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 4);
808 }
809 }
810
811 if (Tables.GuardLJmpTableVA) {
812 ListScope LS(W, "GuardLJmpTable");
813 printRVATable(Tables.GuardLJmpTableVA, Tables.GuardLJmpTableCount, 4);
814 }
815}
816
817template <typename T>
818void COFFDumper::printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables) {
819 if (!Conf)
820 return;
821
822 ListScope LS(W, "LoadConfig");
823 char FormattedTime[20] = {};
824 time_t TDS = Conf->TimeDateStamp;
825 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
826 W.printHex("Size", Conf->Size);
827
828 // Print everything before SecurityCookie. The vast majority of images today
829 // have all these fields.
830 if (Conf->Size < offsetof(T, SEHandlerTable)__builtin_offsetof(T, SEHandlerTable))
831 return;
832 W.printHex("TimeDateStamp", FormattedTime, TDS);
833 W.printHex("MajorVersion", Conf->MajorVersion);
834 W.printHex("MinorVersion", Conf->MinorVersion);
835 W.printHex("GlobalFlagsClear", Conf->GlobalFlagsClear);
836 W.printHex("GlobalFlagsSet", Conf->GlobalFlagsSet);
837 W.printHex("CriticalSectionDefaultTimeout",
838 Conf->CriticalSectionDefaultTimeout);
839 W.printHex("DeCommitFreeBlockThreshold", Conf->DeCommitFreeBlockThreshold);
840 W.printHex("DeCommitTotalFreeThreshold", Conf->DeCommitTotalFreeThreshold);
841 W.printHex("LockPrefixTable", Conf->LockPrefixTable);
842 W.printHex("MaximumAllocationSize", Conf->MaximumAllocationSize);
843 W.printHex("VirtualMemoryThreshold", Conf->VirtualMemoryThreshold);
844 W.printHex("ProcessHeapFlags", Conf->ProcessHeapFlags);
845 W.printHex("ProcessAffinityMask", Conf->ProcessAffinityMask);
846 W.printHex("CSDVersion", Conf->CSDVersion);
847 W.printHex("DependentLoadFlags", Conf->DependentLoadFlags);
848 W.printHex("EditList", Conf->EditList);
849 W.printHex("SecurityCookie", Conf->SecurityCookie);
850
851 // Print the safe SEH table if present.
852 if (Conf->Size < offsetof(coff_load_configuration32, GuardCFCheckFunction)__builtin_offsetof(coff_load_configuration32, GuardCFCheckFunction
)
)
853 return;
854 W.printHex("SEHandlerTable", Conf->SEHandlerTable);
855 W.printNumber("SEHandlerCount", Conf->SEHandlerCount);
856
857 Tables.SEHTableVA = Conf->SEHandlerTable;
858 Tables.SEHTableCount = Conf->SEHandlerCount;
859
860 // Print everything before CodeIntegrity. (2015)
861 if (Conf->Size < offsetof(T, CodeIntegrity)__builtin_offsetof(T, CodeIntegrity))
862 return;
863 W.printHex("GuardCFCheckFunction", Conf->GuardCFCheckFunction);
864 W.printHex("GuardCFCheckDispatch", Conf->GuardCFCheckDispatch);
865 W.printHex("GuardCFFunctionTable", Conf->GuardCFFunctionTable);
866 W.printNumber("GuardCFFunctionCount", Conf->GuardCFFunctionCount);
867 W.printHex("GuardFlags", Conf->GuardFlags);
868
869 Tables.GuardFidTableVA = Conf->GuardCFFunctionTable;
870 Tables.GuardFidTableCount = Conf->GuardCFFunctionCount;
871 Tables.GuardFlags = Conf->GuardFlags;
872
873 // Print the rest. (2017)
874 if (Conf->Size < sizeof(T))
875 return;
876 W.printHex("GuardAddressTakenIatEntryTable",
877 Conf->GuardAddressTakenIatEntryTable);
878 W.printNumber("GuardAddressTakenIatEntryCount",
879 Conf->GuardAddressTakenIatEntryCount);
880 W.printHex("GuardLongJumpTargetTable", Conf->GuardLongJumpTargetTable);
881 W.printNumber("GuardLongJumpTargetCount", Conf->GuardLongJumpTargetCount);
882 W.printHex("DynamicValueRelocTable", Conf->DynamicValueRelocTable);
883 W.printHex("CHPEMetadataPointer", Conf->CHPEMetadataPointer);
884 W.printHex("GuardRFFailureRoutine", Conf->GuardRFFailureRoutine);
885 W.printHex("GuardRFFailureRoutineFunctionPointer",
886 Conf->GuardRFFailureRoutineFunctionPointer);
887 W.printHex("DynamicValueRelocTableOffset",
888 Conf->DynamicValueRelocTableOffset);
889 W.printNumber("DynamicValueRelocTableSection",
890 Conf->DynamicValueRelocTableSection);
891 W.printHex("GuardRFVerifyStackPointerFunctionPointer",
892 Conf->GuardRFVerifyStackPointerFunctionPointer);
893 W.printHex("HotPatchTableOffset", Conf->HotPatchTableOffset);
894
895 Tables.GuardLJmpTableVA = Conf->GuardLongJumpTargetTable;
896 Tables.GuardLJmpTableCount = Conf->GuardLongJumpTargetCount;
897}
898
899void COFFDumper::printBaseOfDataField(const pe32_header *Hdr) {
900 W.printHex("BaseOfData", Hdr->BaseOfData);
901}
902
903void COFFDumper::printBaseOfDataField(const pe32plus_header *) {}
904
905void COFFDumper::printCodeViewDebugInfo() {
906 // Print types first to build CVUDTNames, then print symbols.
907 for (const SectionRef &S : Obj->sections()) {
908 StringRef SectionName;
909 error(S.getName(SectionName));
910 // .debug$T is a standard CodeView type section, while .debug$P is the same
911 // format but used for MSVC precompiled header object files.
912 if (SectionName == ".debug$T" || SectionName == ".debug$P")
913 printCodeViewTypeSection(SectionName, S);
914 }
915 for (const SectionRef &S : Obj->sections()) {
916 StringRef SectionName;
917 error(S.getName(SectionName));
918 if (SectionName == ".debug$S")
919 printCodeViewSymbolSection(SectionName, S);
920 }
921}
922
923void COFFDumper::initializeFileAndStringTables(BinaryStreamReader &Reader) {
924 while (Reader.bytesRemaining() > 0 &&
925 (!CVFileChecksumTable.valid() || !CVStringTable.valid())) {
926 // The section consists of a number of subsection in the following format:
927 // |SubSectionType|SubSectionSize|Contents...|
928 uint32_t SubType, SubSectionSize;
929 error(Reader.readInteger(SubType));
930 error(Reader.readInteger(SubSectionSize));
931
932 StringRef Contents;
933 error(Reader.readFixedString(Contents, SubSectionSize));
934
935 BinaryStreamRef ST(Contents, support::little);
936 switch (DebugSubsectionKind(SubType)) {
937 case DebugSubsectionKind::FileChecksums:
938 error(CVFileChecksumTable.initialize(ST));
939 break;
940 case DebugSubsectionKind::StringTable:
941 error(CVStringTable.initialize(ST));
942 break;
943 default:
944 break;
945 }
946
947 uint32_t PaddedSize = alignTo(SubSectionSize, 4);
948 error(Reader.skip(PaddedSize - SubSectionSize));
949 }
950}
951
952void COFFDumper::printCodeViewSymbolSection(StringRef SectionName,
953 const SectionRef &Section) {
954 StringRef SectionContents;
955 error(Section.getContents(SectionContents));
956 StringRef Data = SectionContents;
957
958 SmallVector<StringRef, 10> FunctionNames;
959 StringMap<StringRef> FunctionLineTables;
960
961 ListScope D(W, "CodeViewDebugInfo");
962 // Print the section to allow correlation with printSections.
963 W.printNumber("Section", SectionName, Obj->getSectionID(Section));
964
965 uint32_t Magic;
966 error(consume(Data, Magic));
967 W.printHex("Magic", Magic);
968 if (Magic != COFF::DEBUG_SECTION_MAGIC)
969 return error(object_error::parse_failed);
970
971 BinaryStreamReader FSReader(Data, support::little);
972 initializeFileAndStringTables(FSReader);
973
974 // TODO: Convert this over to using ModuleSubstreamVisitor.
975 while (!Data.empty()) {
976 // The section consists of a number of subsection in the following format:
977 // |SubSectionType|SubSectionSize|Contents...|
978 uint32_t SubType, SubSectionSize;
979 error(consume(Data, SubType));
980 error(consume(Data, SubSectionSize));
981
982 ListScope S(W, "Subsection");
983 W.printEnum("SubSectionType", SubType, makeArrayRef(SubSectionTypes));
984 W.printHex("SubSectionSize", SubSectionSize);
985
986 // Get the contents of the subsection.
987 if (SubSectionSize > Data.size())
988 return error(object_error::parse_failed);
989 StringRef Contents = Data.substr(0, SubSectionSize);
990
991 // Add SubSectionSize to the current offset and align that offset to find
992 // the next subsection.
993 size_t SectionOffset = Data.data() - SectionContents.data();
994 size_t NextOffset = SectionOffset + SubSectionSize;
995 NextOffset = alignTo(NextOffset, 4);
996 if (NextOffset > SectionContents.size())
997 return error(object_error::parse_failed);
998 Data = SectionContents.drop_front(NextOffset);
999
1000 // Optionally print the subsection bytes in case our parsing gets confused
1001 // later.
1002 if (opts::CodeViewSubsectionBytes)
1003 printBinaryBlockWithRelocs("SubSectionContents", Section, SectionContents,
1004 Contents);
1005
1006 switch (DebugSubsectionKind(SubType)) {
1007 case DebugSubsectionKind::Symbols:
1008 printCodeViewSymbolsSubsection(Contents, Section, SectionContents);
1009 break;
1010
1011 case DebugSubsectionKind::InlineeLines:
1012 printCodeViewInlineeLines(Contents);
1013 break;
1014
1015 case DebugSubsectionKind::FileChecksums:
1016 printCodeViewFileChecksums(Contents);
1017 break;
1018
1019 case DebugSubsectionKind::Lines: {
1020 // Holds a PC to file:line table. Some data to parse this subsection is
1021 // stored in the other subsections, so just check sanity and store the
1022 // pointers for deferred processing.
1023
1024 if (SubSectionSize < 12) {
1025 // There should be at least three words to store two function
1026 // relocations and size of the code.
1027 error(object_error::parse_failed);
1028 return;
1029 }
1030
1031 StringRef LinkageName;
1032 error(resolveSymbolName(Obj->getCOFFSection(Section), SectionOffset,
1033 LinkageName));
1034 W.printString("LinkageName", LinkageName);
1035 if (FunctionLineTables.count(LinkageName) != 0) {
1036 // Saw debug info for this function already?
1037 error(object_error::parse_failed);
1038 return;
1039 }
1040
1041 FunctionLineTables[LinkageName] = Contents;
1042 FunctionNames.push_back(LinkageName);
1043 break;
1044 }
1045 case DebugSubsectionKind::FrameData: {
1046 // First four bytes is a relocation against the function.
1047 BinaryStreamReader SR(Contents, llvm::support::little);
1048
1049 DebugFrameDataSubsectionRef FrameData;
1050 error(FrameData.initialize(SR));
1051
1052 StringRef LinkageName;
1053 error(resolveSymbolName(Obj->getCOFFSection(Section), SectionContents,
1054 FrameData.getRelocPtr(), LinkageName));
1055 W.printString("LinkageName", LinkageName);
1056
1057 // To find the active frame description, search this array for the
1058 // smallest PC range that includes the current PC.
1059 for (const auto &FD : FrameData) {
1060 StringRef FrameFunc = error(CVStringTable.getString(FD.FrameFunc));
1061
1062 DictScope S(W, "FrameData");
1063 W.printHex("RvaStart", FD.RvaStart);
1064 W.printHex("CodeSize", FD.CodeSize);
1065 W.printHex("LocalSize", FD.LocalSize);
1066 W.printHex("ParamsSize", FD.ParamsSize);
1067 W.printHex("MaxStackSize", FD.MaxStackSize);
1068 W.printHex("PrologSize", FD.PrologSize);
1069 W.printHex("SavedRegsSize", FD.SavedRegsSize);
1070 W.printFlags("Flags", FD.Flags, makeArrayRef(FrameDataFlags));
1071
1072 // The FrameFunc string is a small RPN program. It can be broken up into
1073 // statements that end in the '=' operator, which assigns the value on
1074 // the top of the stack to the previously pushed variable. Variables can
1075 // be temporary values ($T0) or physical registers ($esp). Print each
1076 // assignment on its own line to make these programs easier to read.
1077 {
1078 ListScope FFS(W, "FrameFunc");
1079 while (!FrameFunc.empty()) {
1080 size_t EqOrEnd = FrameFunc.find('=');
1081 if (EqOrEnd == StringRef::npos)
1082 EqOrEnd = FrameFunc.size();
1083 else
1084 ++EqOrEnd;
1085 StringRef Stmt = FrameFunc.substr(0, EqOrEnd);
1086 W.printString(Stmt);
1087 FrameFunc = FrameFunc.drop_front(EqOrEnd).trim();
1088 }
1089 }
1090 }
1091 break;
1092 }
1093
1094 // Do nothing for unrecognized subsections.
1095 default:
1096 break;
1097 }
1098 W.flush();
1099 }
1100
1101 // Dump the line tables now that we've read all the subsections and know all
1102 // the required information.
1103 for (unsigned I = 0, E = FunctionNames.size(); I != E; ++I) {
1104 StringRef Name = FunctionNames[I];
1105 ListScope S(W, "FunctionLineTable");
1106 W.printString("LinkageName", Name);
1107
1108 BinaryStreamReader Reader(FunctionLineTables[Name], support::little);
1109
1110 DebugLinesSubsectionRef LineInfo;
1111 error(LineInfo.initialize(Reader));
1112
1113 W.printHex("Flags", LineInfo.header()->Flags);
1114 W.printHex("CodeSize", LineInfo.header()->CodeSize);
1115 for (const auto &Entry : LineInfo) {
1116
1117 ListScope S(W, "FilenameSegment");
1118 printFileNameForOffset("Filename", Entry.NameIndex);
1119 uint32_t ColumnIndex = 0;
1120 for (const auto &Line : Entry.LineNumbers) {
1121 if (Line.Offset >= LineInfo.header()->CodeSize) {
1122 error(object_error::parse_failed);
1123 return;
1124 }
1125
1126 std::string PC = formatv("+{0:X}", uint32_t(Line.Offset));
1127 ListScope PCScope(W, PC);
1128 codeview::LineInfo LI(Line.Flags);
1129
1130 if (LI.isAlwaysStepInto())
1131 W.printString("StepInto", StringRef("Always"));
1132 else if (LI.isNeverStepInto())
1133 W.printString("StepInto", StringRef("Never"));
1134 else
1135 W.printNumber("LineNumberStart", LI.getStartLine());
1136 W.printNumber("LineNumberEndDelta", LI.getLineDelta());
1137 W.printBoolean("IsStatement", LI.isStatement());
1138 if (LineInfo.hasColumnInfo()) {
1139 W.printNumber("ColStart", Entry.Columns[ColumnIndex].StartColumn);
1140 W.printNumber("ColEnd", Entry.Columns[ColumnIndex].EndColumn);
1141 ++ColumnIndex;
1142 }
1143 }
1144 }
1145 }
1146}
1147
1148void COFFDumper::printCodeViewSymbolsSubsection(StringRef Subsection,
1149 const SectionRef &Section,
1150 StringRef SectionContents) {
1151 ArrayRef<uint8_t> BinaryData(Subsection.bytes_begin(),
1152 Subsection.bytes_end());
1153 auto CODD = llvm::make_unique<COFFObjectDumpDelegate>(*this, Section, Obj,
1154 SectionContents);
1155 CVSymbolDumper CVSD(W, Types, CodeViewContainer::ObjectFile, std::move(CODD),
1156 CompilationCPUType, opts::CodeViewSubsectionBytes);
1157 CVSymbolArray Symbols;
1158 BinaryStreamReader Reader(BinaryData, llvm::support::little);
1159 if (auto EC = Reader.readArray(Symbols, Reader.getLength())) {
1160 consumeError(std::move(EC));
1161 W.flush();
1162 error(object_error::parse_failed);
1163 }
1164
1165 if (auto EC = CVSD.dump(Symbols)) {
1166 W.flush();
1167 error(std::move(EC));
1168 }
1169 CompilationCPUType = CVSD.getCompilationCPUType();
1170 W.flush();
1171}
1172
1173void COFFDumper::printCodeViewFileChecksums(StringRef Subsection) {
1174 BinaryStreamRef Stream(Subsection, llvm::support::little);
1175 DebugChecksumsSubsectionRef Checksums;
1176 error(Checksums.initialize(Stream));
1177
1178 for (auto &FC : Checksums) {
1179 DictScope S(W, "FileChecksum");
1180
1181 StringRef Filename = error(CVStringTable.getString(FC.FileNameOffset));
1182 W.printHex("Filename", Filename, FC.FileNameOffset);
1183 W.printHex("ChecksumSize", FC.Checksum.size());
1184 W.printEnum("ChecksumKind", uint8_t(FC.Kind),
1185 makeArrayRef(FileChecksumKindNames));
1186
1187 W.printBinary("ChecksumBytes", FC.Checksum);
1188 }
1189}
1190
1191void COFFDumper::printCodeViewInlineeLines(StringRef Subsection) {
1192 BinaryStreamReader SR(Subsection, llvm::support::little);
1193 DebugInlineeLinesSubsectionRef Lines;
1194 error(Lines.initialize(SR));
1195
1196 for (auto &Line : Lines) {
1197 DictScope S(W, "InlineeSourceLine");
1198 printTypeIndex("Inlinee", Line.Header->Inlinee);
1199 printFileNameForOffset("FileID", Line.Header->FileID);
1200 W.printNumber("SourceLineNum", Line.Header->SourceLineNum);
1201
1202 if (Lines.hasExtraFiles()) {
1203 W.printNumber("ExtraFileCount", Line.ExtraFiles.size());
1204 ListScope ExtraFiles(W, "ExtraFiles");
1205 for (const auto &FID : Line.ExtraFiles) {
1206 printFileNameForOffset("FileID", FID);
1207 }
1208 }
1209 }
1210}
1211
1212StringRef COFFDumper::getFileNameForFileOffset(uint32_t FileOffset) {
1213 // The file checksum subsection should precede all references to it.
1214 if (!CVFileChecksumTable.valid() || !CVStringTable.valid())
1215 error(object_error::parse_failed);
1216
1217 auto Iter = CVFileChecksumTable.getArray().at(FileOffset);
1218
1219 // Check if the file checksum table offset is valid.
1220 if (Iter == CVFileChecksumTable.end())
1221 error(object_error::parse_failed);
1222
1223 return error(CVStringTable.getString(Iter->FileNameOffset));
1224}
1225
1226void COFFDumper::printFileNameForOffset(StringRef Label, uint32_t FileOffset) {
1227 W.printHex(Label, getFileNameForFileOffset(FileOffset), FileOffset);
1228}
1229
1230void COFFDumper::mergeCodeViewTypes(MergingTypeTableBuilder &CVIDs,
1231 MergingTypeTableBuilder &CVTypes) {
1232 for (const SectionRef &S : Obj->sections()) {
1233 StringRef SectionName;
1234 error(S.getName(SectionName));
1235 if (SectionName == ".debug$T") {
1236 StringRef Data;
1237 error(S.getContents(Data));
1238 uint32_t Magic;
1239 error(consume(Data, Magic));
1240 if (Magic != 4)
1241 error(object_error::parse_failed);
1242
1243 CVTypeArray Types;
1244 BinaryStreamReader Reader(Data, llvm::support::little);
1245 if (auto EC = Reader.readArray(Types, Reader.getLength())) {
1246 consumeError(std::move(EC));
1247 W.flush();
1248 error(object_error::parse_failed);
1249 }
1250 SmallVector<TypeIndex, 128> SourceToDest;
1251 if (auto EC = mergeTypeAndIdRecords(CVIDs, CVTypes, SourceToDest, Types))
1252 return error(std::move(EC));
1253 }
1254 }
1255}
1256
1257void COFFDumper::printCodeViewTypeSection(StringRef SectionName,
1258 const SectionRef &Section) {
1259 ListScope D(W, "CodeViewTypes");
1260 W.printNumber("Section", SectionName, Obj->getSectionID(Section));
1261
1262 StringRef Data;
1263 error(Section.getContents(Data));
1264 if (opts::CodeViewSubsectionBytes)
1265 W.printBinaryBlock("Data", Data);
1266
1267 uint32_t Magic;
1268 error(consume(Data, Magic));
1269 W.printHex("Magic", Magic);
1270 if (Magic != COFF::DEBUG_SECTION_MAGIC)
1271 return error(object_error::parse_failed);
1272
1273 Types.reset(Data, 100);
1274
1275 TypeDumpVisitor TDV(Types, &W, opts::CodeViewSubsectionBytes);
1276 error(codeview::visitTypeStream(Types, TDV));
1277 W.flush();
1278}
1279
1280void COFFDumper::printSections() {
1281 ListScope SectionsD(W, "Sections");
1282 int SectionNumber = 0;
1283 for (const SectionRef &Sec : Obj->sections()) {
1284 ++SectionNumber;
1285 const coff_section *Section = Obj->getCOFFSection(Sec);
1286
1287 StringRef Name;
1288 error(Sec.getName(Name));
1289
1290 DictScope D(W, "Section");
1291 W.printNumber("Number", SectionNumber);
1292 W.printBinary("Name", Name, Section->Name);
1293 W.printHex ("VirtualSize", Section->VirtualSize);
1294 W.printHex ("VirtualAddress", Section->VirtualAddress);
1295 W.printNumber("RawDataSize", Section->SizeOfRawData);
1296 W.printHex ("PointerToRawData", Section->PointerToRawData);
1297 W.printHex ("PointerToRelocations", Section->PointerToRelocations);
1298 W.printHex ("PointerToLineNumbers", Section->PointerToLinenumbers);
1299 W.printNumber("RelocationCount", Section->NumberOfRelocations);
1300 W.printNumber("LineNumberCount", Section->NumberOfLinenumbers);
1301 W.printFlags ("Characteristics", Section->Characteristics,
1302 makeArrayRef(ImageSectionCharacteristics),
1303 COFF::SectionCharacteristics(0x00F00000));
1304
1305 if (opts::SectionRelocations) {
1306 ListScope D(W, "Relocations");
1307 for (const RelocationRef &Reloc : Sec.relocations())
1308 printRelocation(Sec, Reloc);
1309 }
1310
1311 if (opts::SectionSymbols) {
1312 ListScope D(W, "Symbols");
1313 for (const SymbolRef &Symbol : Obj->symbols()) {
1314 if (!Sec.containsSymbol(Symbol))
1315 continue;
1316
1317 printSymbol(Symbol);
1318 }
1319 }
1320
1321 if (opts::SectionData &&
1322 !(Section->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)) {
1323 StringRef Data;
1324 error(Sec.getContents(Data));
1325
1326 W.printBinaryBlock("SectionData", Data);
1327 }
1328 }
1329}
1330
1331void COFFDumper::printRelocations() {
1332 ListScope D(W, "Relocations");
1333
1334 int SectionNumber = 0;
1335 for (const SectionRef &Section : Obj->sections()) {
1336 ++SectionNumber;
1337 StringRef Name;
1338 error(Section.getName(Name));
1339
1340 bool PrintedGroup = false;
1341 for (const RelocationRef &Reloc : Section.relocations()) {
1342 if (!PrintedGroup) {
1343 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
1344 W.indent();
1345 PrintedGroup = true;
1346 }
1347
1348 printRelocation(Section, Reloc);
1349 }
1350
1351 if (PrintedGroup) {
1352 W.unindent();
1353 W.startLine() << "}\n";
1354 }
1355 }
1356}
1357
1358void COFFDumper::printRelocation(const SectionRef &Section,
1359 const RelocationRef &Reloc, uint64_t Bias) {
1360 uint64_t Offset = Reloc.getOffset() - Bias;
1361 uint64_t RelocType = Reloc.getType();
1362 SmallString<32> RelocName;
1363 StringRef SymbolName;
1364 Reloc.getTypeName(RelocName);
1365 symbol_iterator Symbol = Reloc.getSymbol();
1366 if (Symbol != Obj->symbol_end()) {
1367 Expected<StringRef> SymbolNameOrErr = Symbol->getName();
1368 error(errorToErrorCode(SymbolNameOrErr.takeError()));
1369 SymbolName = *SymbolNameOrErr;
1370 }
1371
1372 if (opts::ExpandRelocs) {
1373 DictScope Group(W, "Relocation");
1374 W.printHex("Offset", Offset);
1375 W.printNumber("Type", RelocName, RelocType);
1376 W.printString("Symbol", SymbolName.empty() ? "-" : SymbolName);
1377 } else {
1378 raw_ostream& OS = W.startLine();
1379 OS << W.hex(Offset)
1380 << " " << RelocName
1381 << " " << (SymbolName.empty() ? "-" : SymbolName)
1382 << "\n";
1383 }
1384}
1385
1386void COFFDumper::printSymbols() {
1387 ListScope Group(W, "Symbols");
1388
1389 for (const SymbolRef &Symbol : Obj->symbols())
1390 printSymbol(Symbol);
1391}
1392
1393void COFFDumper::printDynamicSymbols() { ListScope Group(W, "DynamicSymbols"); }
1394
1395static ErrorOr<StringRef>
1396getSectionName(const llvm::object::COFFObjectFile *Obj, int32_t SectionNumber,
1397 const coff_section *Section) {
1398 if (Section) {
1399 StringRef SectionName;
1400 if (std::error_code EC = Obj->getSectionName(Section, SectionName))
1401 return EC;
1402 return SectionName;
1403 }
1404 if (SectionNumber == llvm::COFF::IMAGE_SYM_DEBUG)
1405 return StringRef("IMAGE_SYM_DEBUG");
1406 if (SectionNumber == llvm::COFF::IMAGE_SYM_ABSOLUTE)
1407 return StringRef("IMAGE_SYM_ABSOLUTE");
1408 if (SectionNumber == llvm::COFF::IMAGE_SYM_UNDEFINED)
1409 return StringRef("IMAGE_SYM_UNDEFINED");
1410 return StringRef("");
1411}
1412
1413void COFFDumper::printSymbol(const SymbolRef &Sym) {
1414 DictScope D(W, "Symbol");
1415
1416 COFFSymbolRef Symbol = Obj->getCOFFSymbol(Sym);
1417 const coff_section *Section;
1418 if (std::error_code EC = Obj->getSection(Symbol.getSectionNumber(), Section)) {
1419 W.startLine() << "Invalid section number: " << EC.message() << "\n";
1420 W.flush();
1421 return;
1422 }
1423
1424 StringRef SymbolName;
1425 if (Obj->getSymbolName(Symbol, SymbolName))
1426 SymbolName = "";
1427
1428 StringRef SectionName = "";
1429 ErrorOr<StringRef> Res =
1430 getSectionName(Obj, Symbol.getSectionNumber(), Section);
1431 if (Res)
1432 SectionName = *Res;
1433
1434 W.printString("Name", SymbolName);
1435 W.printNumber("Value", Symbol.getValue());
1436 W.printNumber("Section", SectionName, Symbol.getSectionNumber());
1437 W.printEnum ("BaseType", Symbol.getBaseType(), makeArrayRef(ImageSymType));
1438 W.printEnum ("ComplexType", Symbol.getComplexType(),
1439 makeArrayRef(ImageSymDType));
1440 W.printEnum ("StorageClass", Symbol.getStorageClass(),
1441 makeArrayRef(ImageSymClass));
1442 W.printNumber("AuxSymbolCount", Symbol.getNumberOfAuxSymbols());
1443
1444 for (uint8_t I = 0; I < Symbol.getNumberOfAuxSymbols(); ++I) {
1445 if (Symbol.isFunctionDefinition()) {
1446 const coff_aux_function_definition *Aux;
1447 error(getSymbolAuxData(Obj, Symbol, I, Aux));
1448
1449 DictScope AS(W, "AuxFunctionDef");
1450 W.printNumber("TagIndex", Aux->TagIndex);
1451 W.printNumber("TotalSize", Aux->TotalSize);
1452 W.printHex("PointerToLineNumber", Aux->PointerToLinenumber);
1453 W.printHex("PointerToNextFunction", Aux->PointerToNextFunction);
1454
1455 } else if (Symbol.isAnyUndefined()) {
1456 const coff_aux_weak_external *Aux;
1457 error(getSymbolAuxData(Obj, Symbol, I, Aux));
1458
1459 Expected<COFFSymbolRef> Linked = Obj->getSymbol(Aux->TagIndex);
1460 StringRef LinkedName;
1461 std::error_code EC = errorToErrorCode(Linked.takeError());
1462 if (EC || (EC = Obj->getSymbolName(*Linked, LinkedName))) {
1463 LinkedName = "";
1464 error(EC);
1465 }
1466
1467 DictScope AS(W, "AuxWeakExternal");
1468 W.printNumber("Linked", LinkedName, Aux->TagIndex);
1469 W.printEnum ("Search", Aux->Characteristics,
1470 makeArrayRef(WeakExternalCharacteristics));
1471
1472 } else if (Symbol.isFileRecord()) {
1473 const char *FileName;
1474 error(getSymbolAuxData(Obj, Symbol, I, FileName));
1475
1476 DictScope AS(W, "AuxFileRecord");
1477
1478 StringRef Name(FileName, Symbol.getNumberOfAuxSymbols() *
1479 Obj->getSymbolTableEntrySize());
1480 W.printString("FileName", Name.rtrim(StringRef("\0", 1)));
1481 break;
1482 } else if (Symbol.isSectionDefinition()) {
1483 const coff_aux_section_definition *Aux;
1484 error(getSymbolAuxData(Obj, Symbol, I, Aux));
1485
1486 int32_t AuxNumber = Aux->getNumber(Symbol.isBigObj());
1487
1488 DictScope AS(W, "AuxSectionDef");
1489 W.printNumber("Length", Aux->Length);
1490 W.printNumber("RelocationCount", Aux->NumberOfRelocations);
1491 W.printNumber("LineNumberCount", Aux->NumberOfLinenumbers);
1492 W.printHex("Checksum", Aux->CheckSum);
1493 W.printNumber("Number", AuxNumber);
1494 W.printEnum("Selection", Aux->Selection, makeArrayRef(ImageCOMDATSelect));
1495
1496 if (Section && Section->Characteristics & COFF::IMAGE_SCN_LNK_COMDAT
1497 && Aux->Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) {
1498 const coff_section *Assoc;
1499 StringRef AssocName = "";
1500 std::error_code EC = Obj->getSection(AuxNumber, Assoc);
1501 ErrorOr<StringRef> Res = getSectionName(Obj, AuxNumber, Assoc);
1502 if (Res)
1503 AssocName = *Res;
1504 if (!EC)
1505 EC = Res.getError();
1506 if (EC) {
1507 AssocName = "";
1508 error(EC);
1509 }
1510
1511 W.printNumber("AssocSection", AssocName, AuxNumber);
1512 }
1513 } else if (Symbol.isCLRToken()) {
1514 const coff_aux_clr_token *Aux;
1515 error(getSymbolAuxData(Obj, Symbol, I, Aux));
1516
1517 Expected<COFFSymbolRef> ReferredSym =
1518 Obj->getSymbol(Aux->SymbolTableIndex);
1519 StringRef ReferredName;
1520 std::error_code EC = errorToErrorCode(ReferredSym.takeError());
1521 if (EC || (EC = Obj->getSymbolName(*ReferredSym, ReferredName))) {
1522 ReferredName = "";
1523 error(EC);
1524 }
1525
1526 DictScope AS(W, "AuxCLRToken");
1527 W.printNumber("AuxType", Aux->AuxType);
1528 W.printNumber("Reserved", Aux->Reserved);
1529 W.printNumber("SymbolTableIndex", ReferredName, Aux->SymbolTableIndex);
1530
1531 } else {
1532 W.startLine() << "<unhandled auxiliary record>\n";
1533 }
1534 }
1535}
1536
1537void COFFDumper::printUnwindInfo() {
1538 ListScope D(W, "UnwindInformation");
1539 switch (Obj->getMachine()) {
1540 case COFF::IMAGE_FILE_MACHINE_AMD64: {
1541 Win64EH::Dumper Dumper(W);
1542 Win64EH::Dumper::SymbolResolver
1543 Resolver = [](const object::coff_section *Section, uint64_t Offset,
1544 SymbolRef &Symbol, void *user_data) -> std::error_code {
1545 COFFDumper *Dumper = reinterpret_cast<COFFDumper *>(user_data);
1546 return Dumper->resolveSymbol(Section, Offset, Symbol);
1547 };
1548 Win64EH::Dumper::Context Ctx(*Obj, Resolver, this);
1549 Dumper.printData(Ctx);
1550 break;
1551 }
1552 case COFF::IMAGE_FILE_MACHINE_ARM64:
1553 case COFF::IMAGE_FILE_MACHINE_ARMNT: {
1554 ARM::WinEH::Decoder Decoder(W, Obj->getMachine() ==
1555 COFF::IMAGE_FILE_MACHINE_ARM64);
1556 Decoder.dumpProcedureData(*Obj);
1557 break;
1558 }
1559 default:
1560 W.printEnum("unsupported Image Machine", Obj->getMachine(),
1561 makeArrayRef(ImageFileMachineType));
1562 break;
1563 }
1564}
1565
1566void COFFDumper::printNeededLibraries() {
1567 ListScope D(W, "NeededLibraries");
1568
1569 using LibsTy = std::vector<StringRef>;
1570 LibsTy Libs;
1571
1572 for (const ImportDirectoryEntryRef &DirRef : Obj->import_directories()) {
1573 StringRef Name;
1574 if (!DirRef.getName(Name))
1575 Libs.push_back(Name);
1576 }
1577
1578 std::stable_sort(Libs.begin(), Libs.end());
1579
1580 for (const auto &L : Libs) {
1581 outs() << " " << L << "\n";
1582 }
1583}
1584
1585void COFFDumper::printImportedSymbols(
1586 iterator_range<imported_symbol_iterator> Range) {
1587 for (const ImportedSymbolRef &I : Range) {
1588 StringRef Sym;
1589 error(I.getSymbolName(Sym));
1590 uint16_t Ordinal;
1591 error(I.getOrdinal(Ordinal));
1592 W.printNumber("Symbol", Sym, Ordinal);
1593 }
1594}
1595
1596void COFFDumper::printDelayImportedSymbols(
1597 const DelayImportDirectoryEntryRef &I,
1598 iterator_range<imported_symbol_iterator> Range) {
1599 int Index = 0;
1600 for (const ImportedSymbolRef &S : Range) {
1601 DictScope Import(W, "Import");
1602 StringRef Sym;
1603 error(S.getSymbolName(Sym));
1604 uint16_t Ordinal;
1605 error(S.getOrdinal(Ordinal));
1606 W.printNumber("Symbol", Sym, Ordinal);
1607 uint64_t Addr;
1608 error(I.getImportAddress(Index++, Addr));
1609 W.printHex("Address", Addr);
1610 }
1611}
1612
1613void COFFDumper::printCOFFImports() {
1614 // Regular imports
1615 for (const ImportDirectoryEntryRef &I : Obj->import_directories()) {
1616 DictScope Import(W, "Import");
1617 StringRef Name;
1618 error(I.getName(Name));
1619 W.printString("Name", Name);
1620 uint32_t ILTAddr;
1621 error(I.getImportLookupTableRVA(ILTAddr));
1622 W.printHex("ImportLookupTableRVA", ILTAddr);
1623 uint32_t IATAddr;
1624 error(I.getImportAddressTableRVA(IATAddr));
1625 W.printHex("ImportAddressTableRVA", IATAddr);
1626 // The import lookup table can be missing with certain older linkers, so
1627 // fall back to the import address table in that case.
1628 if (ILTAddr)
1629 printImportedSymbols(I.lookup_table_symbols());
1630 else
1631 printImportedSymbols(I.imported_symbols());
1632 }
1633
1634 // Delay imports
1635 for (const DelayImportDirectoryEntryRef &I : Obj->delay_import_directories()) {
1636 DictScope Import(W, "DelayImport");
1637 StringRef Name;
1638 error(I.getName(Name));
1639 W.printString("Name", Name);
1640 const delay_import_directory_table_entry *Table;
1641 error(I.getDelayImportTable(Table));
1642 W.printHex("Attributes", Table->Attributes);
1643 W.printHex("ModuleHandle", Table->ModuleHandle);
1644 W.printHex("ImportAddressTable", Table->DelayImportAddressTable);
1645 W.printHex("ImportNameTable", Table->DelayImportNameTable);
1646 W.printHex("BoundDelayImportTable", Table->BoundDelayImportTable);
1647 W.printHex("UnloadDelayImportTable", Table->UnloadDelayImportTable);
1648 printDelayImportedSymbols(I, I.imported_symbols());
1649 }
1650}
1651
1652void COFFDumper::printCOFFExports() {
1653 for (const ExportDirectoryEntryRef &E : Obj->export_directories()) {
1654 DictScope Export(W, "Export");
1655
1656 StringRef Name;
1657 uint32_t Ordinal, RVA;
1658
1659 error(E.getSymbolName(Name));
1660 error(E.getOrdinal(Ordinal));
1661 error(E.getExportRVA(RVA));
1662
1663 W.printNumber("Ordinal", Ordinal);
1664 W.printString("Name", Name);
1665 W.printHex("RVA", RVA);
1666 }
1667}
1668
1669void COFFDumper::printCOFFDirectives() {
1670 for (const SectionRef &Section : Obj->sections()) {
1671 StringRef Contents;
1672 StringRef Name;
1673
1674 error(Section.getName(Name));
1675 if (Name != ".drectve")
1676 continue;
1677
1678 error(Section.getContents(Contents));
1679
1680 W.printString("Directive(s)", Contents);
1681 }
1682}
1683
1684static std::string getBaseRelocTypeName(uint8_t Type) {
1685 switch (Type) {
1686 case COFF::IMAGE_REL_BASED_ABSOLUTE: return "ABSOLUTE";
1687 case COFF::IMAGE_REL_BASED_HIGH: return "HIGH";
1688 case COFF::IMAGE_REL_BASED_LOW: return "LOW";
1689 case COFF::IMAGE_REL_BASED_HIGHLOW: return "HIGHLOW";
1690 case COFF::IMAGE_REL_BASED_HIGHADJ: return "HIGHADJ";
1691 case COFF::IMAGE_REL_BASED_ARM_MOV32T: return "ARM_MOV32(T)";
1692 case COFF::IMAGE_REL_BASED_DIR64: return "DIR64";
1693 default: return "unknown (" + llvm::utostr(Type) + ")";
1694 }
1695}
1696
1697void COFFDumper::printCOFFBaseReloc() {
1698 ListScope D(W, "BaseReloc");
1699 for (const BaseRelocRef &I : Obj->base_relocs()) {
1700 uint8_t Type;
1701 uint32_t RVA;
1702 error(I.getRVA(RVA));
1703 error(I.getType(Type));
1704 DictScope Import(W, "Entry");
1705 W.printString("Type", getBaseRelocTypeName(Type));
1706 W.printHex("Address", RVA);
1707 }
1708}
1709
1710void COFFDumper::printCOFFResources() {
1711 ListScope ResourcesD(W, "Resources");
1712 for (const SectionRef &S : Obj->sections()) {
1713 StringRef Name;
1714 error(S.getName(Name));
1715 if (!Name.startswith(".rsrc"))
1716 continue;
1717
1718 StringRef Ref;
1719 error(S.getContents(Ref));
1720
1721 if ((Name == ".rsrc") || (Name == ".rsrc$01")) {
1722 ResourceSectionRef RSF(Ref);
1723 auto &BaseTable = unwrapOrError(RSF.getBaseTable());
1724 W.printNumber("Total Number of Resources",
1725 countTotalTableEntries(RSF, BaseTable, "Type"));
1726 W.printHex("Base Table Address",
1727 Obj->getCOFFSection(S)->PointerToRawData);
1728 W.startLine() << "\n";
1729 printResourceDirectoryTable(RSF, BaseTable, "Type");
1730 }
1731 if (opts::SectionData)
1732 W.printBinaryBlock(Name.str() + " Data", Ref);
1733 }
1734}
1735
1736uint32_t
1737COFFDumper::countTotalTableEntries(ResourceSectionRef RSF,
1738 const coff_resource_dir_table &Table,
1739 StringRef Level) {
1740 uint32_t TotalEntries = 0;
1741 for (int i = 0; i < Table.NumberOfNameEntries + Table.NumberOfIDEntries;
1742 i++) {
1743 auto Entry = unwrapOrError(getResourceDirectoryTableEntry(Table, i));
1744 if (Entry.Offset.isSubDir()) {
1745 StringRef NextLevel;
1746 if (Level == "Name")
1747 NextLevel = "Language";
1748 else
1749 NextLevel = "Name";
1750 auto &NextTable = unwrapOrError(RSF.getEntrySubDir(Entry));
1751 TotalEntries += countTotalTableEntries(RSF, NextTable, NextLevel);
1752 } else {
1753 TotalEntries += 1;
1754 }
1755 }
1756 return TotalEntries;
1757}
1758
1759void COFFDumper::printResourceDirectoryTable(
1760 ResourceSectionRef RSF, const coff_resource_dir_table &Table,
1761 StringRef Level) {
1762
1763 W.printNumber("Number of String Entries", Table.NumberOfNameEntries);
1764 W.printNumber("Number of ID Entries", Table.NumberOfIDEntries);
1765
1766 // Iterate through level in resource directory tree.
1767 for (int i = 0; i < Table.NumberOfNameEntries + Table.NumberOfIDEntries;
1768 i++) {
1769 auto Entry = unwrapOrError(getResourceDirectoryTableEntry(Table, i));
1770 StringRef Name;
1771 SmallString<20> IDStr;
1772 raw_svector_ostream OS(IDStr);
1773 if (i < Table.NumberOfNameEntries) {
1774 ArrayRef<UTF16> RawEntryNameString = unwrapOrError(RSF.getEntryNameString(Entry));
1775 std::vector<UTF16> EndianCorrectedNameString;
1776 if (llvm::sys::IsBigEndianHost) {
1777 EndianCorrectedNameString.resize(RawEntryNameString.size() + 1);
1778 std::copy(RawEntryNameString.begin(), RawEntryNameString.end(),
1779 EndianCorrectedNameString.begin() + 1);
1780 EndianCorrectedNameString[0] = UNI_UTF16_BYTE_ORDER_MARK_SWAPPED0xFFFE;
1781 RawEntryNameString = makeArrayRef(EndianCorrectedNameString);
1782 }
1783 std::string EntryNameString;
1784 if (!llvm::convertUTF16ToUTF8String(RawEntryNameString, EntryNameString))
1785 error(object_error::parse_failed);
1786 OS << ": ";
1787 OS << EntryNameString;
1788 } else {
1789 if (Level == "Type") {
1790 ScopedPrinter Printer(OS);
1791 Printer.printEnum("", Entry.Identifier.ID,
1792 makeArrayRef(ResourceTypeNames));
1793 IDStr = IDStr.slice(0, IDStr.find_first_of(")", 0) + 1);
1794 } else {
1795 OS << ": (ID " << Entry.Identifier.ID << ")";
1796 }
1797 }
1798 Name = StringRef(IDStr);
1799 ListScope ResourceType(W, Level.str() + Name.str());
1800 if (Entry.Offset.isSubDir()) {
1801 W.printHex("Table Offset", Entry.Offset.value());
1802 StringRef NextLevel;
1803 if (Level == "Name")
1804 NextLevel = "Language";
1805 else
1806 NextLevel = "Name";
1807 auto &NextTable = unwrapOrError(RSF.getEntrySubDir(Entry));
1808 printResourceDirectoryTable(RSF, NextTable, NextLevel);
1809 } else {
1810 W.printHex("Entry Offset", Entry.Offset.value());
1811 char FormattedTime[20] = {};
1812 time_t TDS = time_t(Table.TimeDateStamp);
1813 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
1814 W.printHex("Time/Date Stamp", FormattedTime, Table.TimeDateStamp);
1815 W.printNumber("Major Version", Table.MajorVersion);
1816 W.printNumber("Minor Version", Table.MinorVersion);
1817 W.printNumber("Characteristics", Table.Characteristics);
1818 }
1819 }
1820}
1821
1822ErrorOr<const coff_resource_dir_entry &>
1823COFFDumper::getResourceDirectoryTableEntry(const coff_resource_dir_table &Table,
1824 uint32_t Index) {
1825 if (Index >= (uint32_t)(Table.NumberOfNameEntries + Table.NumberOfIDEntries))
1826 return object_error::parse_failed;
1827 auto TablePtr = reinterpret_cast<const coff_resource_dir_entry *>(&Table + 1);
1828 return TablePtr[Index];
1829}
1830
1831void COFFDumper::printStackMap() const {
1832 object::SectionRef StackMapSection;
1833 for (auto Sec : Obj->sections()) {
1834 StringRef Name;
1835 Sec.getName(Name);
1836 if (Name == ".llvm_stackmaps") {
1837 StackMapSection = Sec;
1838 break;
1839 }
1840 }
1841
1842 if (StackMapSection == object::SectionRef())
1843 return;
1844
1845 StringRef StackMapContents;
1846 StackMapSection.getContents(StackMapContents);
1847 ArrayRef<uint8_t> StackMapContentsArray(
1848 reinterpret_cast<const uint8_t*>(StackMapContents.data()),
1849 StackMapContents.size());
1850
1851 if (Obj->isLittleEndian())
1852 prettyPrintStackMap(
1853 W, StackMapV2Parser<support::little>(StackMapContentsArray));
1854 else
1855 prettyPrintStackMap(W,
1856 StackMapV2Parser<support::big>(StackMapContentsArray));
1857}
1858
1859void COFFDumper::printAddrsig() {
1860 object::SectionRef AddrsigSection;
1
Calling defaulted default constructor for 'SectionRef'
3
Returning from default constructor for 'SectionRef'
1861 for (auto Sec : Obj->sections()) {
1862 StringRef Name;
1863 Sec.getName(Name);
1864 if (Name == ".llvm_addrsig") {
1865 AddrsigSection = Sec;
1866 break;
1867 }
1868 }
1869
1870 if (AddrsigSection == object::SectionRef())
4
Taking false branch
1871 return;
1872
1873 StringRef AddrsigContents;
1874 AddrsigSection.getContents(AddrsigContents);
5
Calling 'SectionRef::getContents'
1875 ArrayRef<uint8_t> AddrsigContentsArray(
1876 reinterpret_cast<const uint8_t*>(AddrsigContents.data()),
1877 AddrsigContents.size());
1878
1879 ListScope L(W, "Addrsig");
1880 auto *Cur = reinterpret_cast<const uint8_t *>(AddrsigContents.begin());
1881 auto *End = reinterpret_cast<const uint8_t *>(AddrsigContents.end());
1882 while (Cur != End) {
1883 unsigned Size;
1884 const char *Err;
1885 uint64_t SymIndex = decodeULEB128(Cur, &Size, End, &Err);
1886 if (Err)
1887 reportError(Err);
1888
1889 Expected<COFFSymbolRef> Sym = Obj->getSymbol(SymIndex);
1890 StringRef SymName;
1891 std::error_code EC = errorToErrorCode(Sym.takeError());
1892 if (EC || (EC = Obj->getSymbolName(*Sym, SymName))) {
1893 SymName = "";
1894 error(EC);
1895 }
1896
1897 W.printNumber("Sym", SymName, SymIndex);
1898 Cur += Size;
1899 }
1900}
1901
1902void llvm::dumpCodeViewMergedTypes(
1903 ScopedPrinter &Writer, llvm::codeview::MergingTypeTableBuilder &IDTable,
1904 llvm::codeview::MergingTypeTableBuilder &CVTypes) {
1905 // Flatten it first, then run our dumper on it.
1906 SmallString<0> TypeBuf;
1907 CVTypes.ForEachRecord([&](TypeIndex TI, const CVType &Record) {
1908 TypeBuf.append(Record.RecordData.begin(), Record.RecordData.end());
1909 });
1910
1911 TypeTableCollection TpiTypes(CVTypes.records());
1912 {
1913 ListScope S(Writer, "MergedTypeStream");
1914 TypeDumpVisitor TDV(TpiTypes, &Writer, opts::CodeViewSubsectionBytes);
1915 error(codeview::visitTypeStream(TpiTypes, TDV));
1916 Writer.flush();
1917 }
1918
1919 // Flatten the id stream and print it next. The ID stream refers to names from
1920 // the type stream.
1921 TypeTableCollection IpiTypes(IDTable.records());
1922 {
1923 ListScope S(Writer, "MergedIDStream");
1924 TypeDumpVisitor TDV(TpiTypes, &Writer, opts::CodeViewSubsectionBytes);
1925 TDV.setIpiTypes(IpiTypes);
1926 error(codeview::visitTypeStream(IpiTypes, TDV));
1927 Writer.flush();
1928 }
1929}

/build/llvm-toolchain-snapshot-8~svn345461/include/llvm/Object/ObjectFile.h

1//===- ObjectFile.h - File format independent object file -------*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file declares a file format independent ObjectFile class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_OBJECT_OBJECTFILE_H
15#define LLVM_OBJECT_OBJECTFILE_H
16
17#include "llvm/ADT/StringRef.h"
18#include "llvm/ADT/Triple.h"
19#include "llvm/ADT/iterator_range.h"
20#include "llvm/BinaryFormat/Magic.h"
21#include "llvm/MC/SubtargetFeature.h"
22#include "llvm/Object/Binary.h"
23#include "llvm/Object/Error.h"
24#include "llvm/Object/SymbolicFile.h"
25#include "llvm/Support/Casting.h"
26#include "llvm/Support/Error.h"
27#include "llvm/Support/FileSystem.h"
28#include "llvm/Support/MemoryBuffer.h"
29#include <cassert>
30#include <cstdint>
31#include <memory>
32#include <system_error>
33
34namespace llvm {
35
36class ARMAttributeParser;
37
38namespace object {
39
40class COFFObjectFile;
41class MachOObjectFile;
42class ObjectFile;
43class SectionRef;
44class SymbolRef;
45class symbol_iterator;
46class WasmObjectFile;
47
48using section_iterator = content_iterator<SectionRef>;
49
50/// This is a value type class that represents a single relocation in the list
51/// of relocations in the object file.
52class RelocationRef {
53 DataRefImpl RelocationPimpl;
54 const ObjectFile *OwningObject = nullptr;
55
56public:
57 RelocationRef() = default;
58 RelocationRef(DataRefImpl RelocationP, const ObjectFile *Owner);
59
60 bool operator==(const RelocationRef &Other) const;
61
62 void moveNext();
63
64 uint64_t getOffset() const;
65 symbol_iterator getSymbol() const;
66 uint64_t getType() const;
67
68 /// Get a string that represents the type of this relocation.
69 ///
70 /// This is for display purposes only.
71 void getTypeName(SmallVectorImpl<char> &Result) const;
72
73 DataRefImpl getRawDataRefImpl() const;
74 const ObjectFile *getObject() const;
75};
76
77using relocation_iterator = content_iterator<RelocationRef>;
78
79/// This is a value type class that represents a single section in the list of
80/// sections in the object file.
81class SectionRef {
82 friend class SymbolRef;
83
84 DataRefImpl SectionPimpl;
85 const ObjectFile *OwningObject = nullptr;
2
Null pointer value stored to 'AddrsigSection.OwningObject'
86
87public:
88 SectionRef() = default;
89 SectionRef(DataRefImpl SectionP, const ObjectFile *Owner);
90
91 bool operator==(const SectionRef &Other) const;
92 bool operator!=(const SectionRef &Other) const;
93 bool operator<(const SectionRef &Other) const;
94
95 void moveNext();
96
97 std::error_code getName(StringRef &Result) const;
98 uint64_t getAddress() const;
99 uint64_t getIndex() const;
100 uint64_t getSize() const;
101 std::error_code getContents(StringRef &Result) const;
102
103 /// Get the alignment of this section as the actual value (not log 2).
104 uint64_t getAlignment() const;
105
106 bool isCompressed() const;
107 bool isText() const;
108 bool isData() const;
109 bool isBSS() const;
110 bool isVirtual() const;
111 bool isBitcode() const;
112 bool isStripped() const;
113
114 bool containsSymbol(SymbolRef S) const;
115
116 relocation_iterator relocation_begin() const;
117 relocation_iterator relocation_end() const;
118 iterator_range<relocation_iterator> relocations() const {
119 return make_range(relocation_begin(), relocation_end());
120 }
121 section_iterator getRelocatedSection() const;
122
123 DataRefImpl getRawDataRefImpl() const;
124 const ObjectFile *getObject() const;
125};
126
127/// This is a value type class that represents a single symbol in the list of
128/// symbols in the object file.
129class SymbolRef : public BasicSymbolRef {
130 friend class SectionRef;
131
132public:
133 enum Type {
134 ST_Unknown, // Type not specified
135 ST_Data,
136 ST_Debug,
137 ST_File,
138 ST_Function,
139 ST_Other
140 };
141
142 SymbolRef() = default;
143 SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner);
144 SymbolRef(const BasicSymbolRef &B) : BasicSymbolRef(B) {
145 assert(isa<ObjectFile>(BasicSymbolRef::getObject()))((isa<ObjectFile>(BasicSymbolRef::getObject())) ? static_cast
<void> (0) : __assert_fail ("isa<ObjectFile>(BasicSymbolRef::getObject())"
, "/build/llvm-toolchain-snapshot-8~svn345461/include/llvm/Object/ObjectFile.h"
, 145, __PRETTY_FUNCTION__))
;
146 }
147
148 Expected<StringRef> getName() const;
149 /// Returns the symbol virtual address (i.e. address at which it will be
150 /// mapped).
151 Expected<uint64_t> getAddress() const;
152
153 /// Return the value of the symbol depending on the object this can be an
154 /// offset or a virtual address.
155 uint64_t getValue() const;
156
157 /// Get the alignment of this symbol as the actual value (not log 2).
158 uint32_t getAlignment() const;
159 uint64_t getCommonSize() const;
160 Expected<SymbolRef::Type> getType() const;
161
162 /// Get section this symbol is defined in reference to. Result is
163 /// end_sections() if it is undefined or is an absolute symbol.
164 Expected<section_iterator> getSection() const;
165
166 const ObjectFile *getObject() const;
167};
168
169class symbol_iterator : public basic_symbol_iterator {
170public:
171 symbol_iterator(SymbolRef Sym) : basic_symbol_iterator(Sym) {}
172 symbol_iterator(const basic_symbol_iterator &B)
173 : basic_symbol_iterator(SymbolRef(B->getRawDataRefImpl(),
174 cast<ObjectFile>(B->getObject()))) {}
175
176 const SymbolRef *operator->() const {
177 const BasicSymbolRef &P = basic_symbol_iterator::operator *();
178 return static_cast<const SymbolRef*>(&P);
179 }
180
181 const SymbolRef &operator*() const {
182 const BasicSymbolRef &P = basic_symbol_iterator::operator *();
183 return static_cast<const SymbolRef&>(P);
184 }
185};
186
187/// This class is the base class for all object file types. Concrete instances
188/// of this object are created by createObjectFile, which figures out which type
189/// to create.
190class ObjectFile : public SymbolicFile {
191 virtual void anchor();
192
193protected:
194 ObjectFile(unsigned int Type, MemoryBufferRef Source);
195
196 const uint8_t *base() const {
197 return reinterpret_cast<const uint8_t *>(Data.getBufferStart());
198 }
199
200 // These functions are for SymbolRef to call internally. The main goal of
201 // this is to allow SymbolRef::SymbolPimpl to point directly to the symbol
202 // entry in the memory mapped object file. SymbolPimpl cannot contain any
203 // virtual functions because then it could not point into the memory mapped
204 // file.
205 //
206 // Implementations assume that the DataRefImpl is valid and has not been
207 // modified externally. It's UB otherwise.
208 friend class SymbolRef;
209
210 virtual Expected<StringRef> getSymbolName(DataRefImpl Symb) const = 0;
211 std::error_code printSymbolName(raw_ostream &OS,
212 DataRefImpl Symb) const override;
213 virtual Expected<uint64_t> getSymbolAddress(DataRefImpl Symb) const = 0;
214 virtual uint64_t getSymbolValueImpl(DataRefImpl Symb) const = 0;
215 virtual uint32_t getSymbolAlignment(DataRefImpl Symb) const;
216 virtual uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const = 0;
217 virtual Expected<SymbolRef::Type> getSymbolType(DataRefImpl Symb) const = 0;
218 virtual Expected<section_iterator>
219 getSymbolSection(DataRefImpl Symb) const = 0;
220
221 // Same as above for SectionRef.
222 friend class SectionRef;
223
224 virtual void moveSectionNext(DataRefImpl &Sec) const = 0;
225 virtual std::error_code getSectionName(DataRefImpl Sec,
226 StringRef &Res) const = 0;
227 virtual uint64_t getSectionAddress(DataRefImpl Sec) const = 0;
228 virtual uint64_t getSectionIndex(DataRefImpl Sec) const = 0;
229 virtual uint64_t getSectionSize(DataRefImpl Sec) const = 0;
230 virtual std::error_code getSectionContents(DataRefImpl Sec,
231 StringRef &Res) const = 0;
232 virtual uint64_t getSectionAlignment(DataRefImpl Sec) const = 0;
233 virtual bool isSectionCompressed(DataRefImpl Sec) const = 0;
234 virtual bool isSectionText(DataRefImpl Sec) const = 0;
235 virtual bool isSectionData(DataRefImpl Sec) const = 0;
236 virtual bool isSectionBSS(DataRefImpl Sec) const = 0;
237 // A section is 'virtual' if its contents aren't present in the object image.
238 virtual bool isSectionVirtual(DataRefImpl Sec) const = 0;
239 virtual bool isSectionBitcode(DataRefImpl Sec) const;
240 virtual bool isSectionStripped(DataRefImpl Sec) const;
241 virtual relocation_iterator section_rel_begin(DataRefImpl Sec) const = 0;
242 virtual relocation_iterator section_rel_end(DataRefImpl Sec) const = 0;
243 virtual section_iterator getRelocatedSection(DataRefImpl Sec) const;
244
245 // Same as above for RelocationRef.
246 friend class RelocationRef;
247 virtual void moveRelocationNext(DataRefImpl &Rel) const = 0;
248 virtual uint64_t getRelocationOffset(DataRefImpl Rel) const = 0;
249 virtual symbol_iterator getRelocationSymbol(DataRefImpl Rel) const = 0;
250 virtual uint64_t getRelocationType(DataRefImpl Rel) const = 0;
251 virtual void getRelocationTypeName(DataRefImpl Rel,
252 SmallVectorImpl<char> &Result) const = 0;
253
254 uint64_t getSymbolValue(DataRefImpl Symb) const;
255
256public:
257 ObjectFile() = delete;
258 ObjectFile(const ObjectFile &other) = delete;
259
260 uint64_t getCommonSymbolSize(DataRefImpl Symb) const {
261 assert(getSymbolFlags(Symb) & SymbolRef::SF_Common)((getSymbolFlags(Symb) & SymbolRef::SF_Common) ? static_cast
<void> (0) : __assert_fail ("getSymbolFlags(Symb) & SymbolRef::SF_Common"
, "/build/llvm-toolchain-snapshot-8~svn345461/include/llvm/Object/ObjectFile.h"
, 261, __PRETTY_FUNCTION__))
;
262 return getCommonSymbolSizeImpl(Symb);
263 }
264
265 virtual std::vector<SectionRef> dynamic_relocation_sections() const {
266 return std::vector<SectionRef>();
267 }
268
269 using symbol_iterator_range = iterator_range<symbol_iterator>;
270 symbol_iterator_range symbols() const {
271 return symbol_iterator_range(symbol_begin(), symbol_end());
272 }
273
274 virtual section_iterator section_begin() const = 0;
275 virtual section_iterator section_end() const = 0;
276
277 using section_iterator_range = iterator_range<section_iterator>;
278 section_iterator_range sections() const {
279 return section_iterator_range(section_begin(), section_end());
280 }
281
282 /// The number of bytes used to represent an address in this object
283 /// file format.
284 virtual uint8_t getBytesInAddress() const = 0;
285
286 virtual StringRef getFileFormatName() const = 0;
287 virtual Triple::ArchType getArch() const = 0;
288 virtual SubtargetFeatures getFeatures() const = 0;
289 virtual void setARMSubArch(Triple &TheTriple) const { }
290 virtual Expected<uint64_t> getStartAddress() const {
291 return errorCodeToError(object_error::parse_failed);
292 };
293
294 /// Create a triple from the data in this object file.
295 Triple makeTriple() const;
296
297 virtual std::error_code
298 getBuildAttributes(ARMAttributeParser &Attributes) const {
299 return std::error_code();
300 }
301
302 /// Maps a debug section name to a standard DWARF section name.
303 virtual StringRef mapDebugSectionName(StringRef Name) const { return Name; }
304
305 /// True if this is a relocatable object (.o/.obj).
306 virtual bool isRelocatableObject() const = 0;
307
308 /// @returns Pointer to ObjectFile subclass to handle this type of object.
309 /// @param ObjectPath The path to the object file. ObjectPath.isObject must
310 /// return true.
311 /// Create ObjectFile from path.
312 static Expected<OwningBinary<ObjectFile>>
313 createObjectFile(StringRef ObjectPath);
314
315 static Expected<std::unique_ptr<ObjectFile>>
316 createObjectFile(MemoryBufferRef Object, llvm::file_magic Type);
317 static Expected<std::unique_ptr<ObjectFile>>
318 createObjectFile(MemoryBufferRef Object) {
319 return createObjectFile(Object, llvm::file_magic::unknown);
320 }
321
322 static bool classof(const Binary *v) {
323 return v->isObject();
324 }
325
326 static Expected<std::unique_ptr<COFFObjectFile>>
327 createCOFFObjectFile(MemoryBufferRef Object);
328
329 static Expected<std::unique_ptr<ObjectFile>>
330 createELFObjectFile(MemoryBufferRef Object);
331
332 static Expected<std::unique_ptr<MachOObjectFile>>
333 createMachOObjectFile(MemoryBufferRef Object,
334 uint32_t UniversalCputype = 0,
335 uint32_t UniversalIndex = 0);
336
337 static Expected<std::unique_ptr<WasmObjectFile>>
338 createWasmObjectFile(MemoryBufferRef Object);
339};
340
341// Inline function definitions.
342inline SymbolRef::SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner)
343 : BasicSymbolRef(SymbolP, Owner) {}
344
345inline Expected<StringRef> SymbolRef::getName() const {
346 return getObject()->getSymbolName(getRawDataRefImpl());
347}
348
349inline Expected<uint64_t> SymbolRef::getAddress() const {
350 return getObject()->getSymbolAddress(getRawDataRefImpl());
351}
352
353inline uint64_t SymbolRef::getValue() const {
354 return getObject()->getSymbolValue(getRawDataRefImpl());
355}
356
357inline uint32_t SymbolRef::getAlignment() const {
358 return getObject()->getSymbolAlignment(getRawDataRefImpl());
359}
360
361inline uint64_t SymbolRef::getCommonSize() const {
362 return getObject()->getCommonSymbolSize(getRawDataRefImpl());
363}
364
365inline Expected<section_iterator> SymbolRef::getSection() const {
366 return getObject()->getSymbolSection(getRawDataRefImpl());
367}
368
369inline Expected<SymbolRef::Type> SymbolRef::getType() const {
370 return getObject()->getSymbolType(getRawDataRefImpl());
371}
372
373inline const ObjectFile *SymbolRef::getObject() const {
374 const SymbolicFile *O = BasicSymbolRef::getObject();
375 return cast<ObjectFile>(O);
376}
377
378/// SectionRef
379inline SectionRef::SectionRef(DataRefImpl SectionP,
380 const ObjectFile *Owner)
381 : SectionPimpl(SectionP)
382 , OwningObject(Owner) {}
383
384inline bool SectionRef::operator==(const SectionRef &Other) const {
385 return SectionPimpl == Other.SectionPimpl;
386}
387
388inline bool SectionRef::operator!=(const SectionRef &Other) const {
389 return SectionPimpl != Other.SectionPimpl;
390}
391
392inline bool SectionRef::operator<(const SectionRef &Other) const {
393 return SectionPimpl < Other.SectionPimpl;
394}
395
396inline void SectionRef::moveNext() {
397 return OwningObject->moveSectionNext(SectionPimpl);
398}
399
400inline std::error_code SectionRef::getName(StringRef &Result) const {
401 return OwningObject->getSectionName(SectionPimpl, Result);
402}
403
404inline uint64_t SectionRef::getAddress() const {
405 return OwningObject->getSectionAddress(SectionPimpl);
406}
407
408inline uint64_t SectionRef::getIndex() const {
409 return OwningObject->getSectionIndex(SectionPimpl);
410}
411
412inline uint64_t SectionRef::getSize() const {
413 return OwningObject->getSectionSize(SectionPimpl);
414}
415
416inline std::error_code SectionRef::getContents(StringRef &Result) const {
417 return OwningObject->getSectionContents(SectionPimpl, Result);
6
Called C++ object pointer is null
418}
419
420inline uint64_t SectionRef::getAlignment() const {
421 return OwningObject->getSectionAlignment(SectionPimpl);
422}
423
424inline bool SectionRef::isCompressed() const {
425 return OwningObject->isSectionCompressed(SectionPimpl);
426}
427
428inline bool SectionRef::isText() const {
429 return OwningObject->isSectionText(SectionPimpl);
430}
431
432inline bool SectionRef::isData() const {
433 return OwningObject->isSectionData(SectionPimpl);
434}
435
436inline bool SectionRef::isBSS() const {
437 return OwningObject->isSectionBSS(SectionPimpl);
438}
439
440inline bool SectionRef::isVirtual() const {
441 return OwningObject->isSectionVirtual(SectionPimpl);
442}
443
444inline bool SectionRef::isBitcode() const {
445 return OwningObject->isSectionBitcode(SectionPimpl);
446}
447
448inline bool SectionRef::isStripped() const {
449 return OwningObject->isSectionStripped(SectionPimpl);
450}
451
452inline relocation_iterator SectionRef::relocation_begin() const {
453 return OwningObject->section_rel_begin(SectionPimpl);
454}
455
456inline relocation_iterator SectionRef::relocation_end() const {
457 return OwningObject->section_rel_end(SectionPimpl);
458}
459
460inline section_iterator SectionRef::getRelocatedSection() const {
461 return OwningObject->getRelocatedSection(SectionPimpl);
462}
463
464inline DataRefImpl SectionRef::getRawDataRefImpl() const {
465 return SectionPimpl;
466}
467
468inline const ObjectFile *SectionRef::getObject() const {
469 return OwningObject;
470}
471
472/// RelocationRef
473inline RelocationRef::RelocationRef(DataRefImpl RelocationP,
474 const ObjectFile *Owner)
475 : RelocationPimpl(RelocationP)
476 , OwningObject(Owner) {}
477
478inline bool RelocationRef::operator==(const RelocationRef &Other) const {
479 return RelocationPimpl == Other.RelocationPimpl;
480}
481
482inline void RelocationRef::moveNext() {
483 return OwningObject->moveRelocationNext(RelocationPimpl);
484}
485
486inline uint64_t RelocationRef::getOffset() const {
487 return OwningObject->getRelocationOffset(RelocationPimpl);
488}
489
490inline symbol_iterator RelocationRef::getSymbol() const {
491 return OwningObject->getRelocationSymbol(RelocationPimpl);
492}
493
494inline uint64_t RelocationRef::getType() const {
495 return OwningObject->getRelocationType(RelocationPimpl);
496}
497
498inline void RelocationRef::getTypeName(SmallVectorImpl<char> &Result) const {
499 return OwningObject->getRelocationTypeName(RelocationPimpl, Result);
500}
501
502inline DataRefImpl RelocationRef::getRawDataRefImpl() const {
503 return RelocationPimpl;
504}
505
506inline const ObjectFile *RelocationRef::getObject() const {
507 return OwningObject;
508}
509
510} // end namespace object
511
512} // end namespace llvm
513
514#endif // LLVM_OBJECT_OBJECTFILE_H