1600 lines
61 KiB
C++
1600 lines
61 KiB
C++
//===-- COFFDumper.cpp - COFF-specific dumper -------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief This file implements the COFF-specific dumper for llvm-readobj.
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///
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//===----------------------------------------------------------------------===//
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#include "ARMWinEHPrinter.h"
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#include "CodeView.h"
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#include "Error.h"
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#include "ObjDumper.h"
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#include "StackMapPrinter.h"
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#include "Win64EHDumper.h"
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#include "llvm-readobj.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/DebugInfo/CodeView/CVTypeDumper.h"
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#include "llvm/DebugInfo/CodeView/CodeView.h"
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#include "llvm/DebugInfo/CodeView/Line.h"
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#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
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#include "llvm/DebugInfo/CodeView/SymbolDeserializer.h"
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#include "llvm/DebugInfo/CodeView/SymbolDumpDelegate.h"
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#include "llvm/DebugInfo/CodeView/SymbolDumper.h"
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#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
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#include "llvm/DebugInfo/CodeView/TypeDumpVisitor.h"
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#include "llvm/DebugInfo/CodeView/TypeIndex.h"
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#include "llvm/DebugInfo/CodeView/TypeRecord.h"
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#include "llvm/DebugInfo/CodeView/TypeStreamMerger.h"
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#include "llvm/DebugInfo/CodeView/TypeTableBuilder.h"
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#include "llvm/Object/COFF.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/Support/BinaryByteStream.h"
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#include "llvm/Support/COFF.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/DataExtractor.h"
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#include "llvm/Support/Format.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/ScopedPrinter.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Support/Win64EH.h"
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#include "llvm/Support/raw_ostream.h"
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#include <algorithm>
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#include <cstring>
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#include <system_error>
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#include <time.h>
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using namespace llvm;
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using namespace llvm::object;
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using namespace llvm::codeview;
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using namespace llvm::support;
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using namespace llvm::Win64EH;
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namespace {
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class COFFDumper : public ObjDumper {
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public:
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friend class COFFObjectDumpDelegate;
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COFFDumper(const llvm::object::COFFObjectFile *Obj, ScopedPrinter &Writer)
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: ObjDumper(Writer), Obj(Obj), Writer(Writer) {}
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void printFileHeaders() override;
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void printSections() override;
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void printRelocations() override;
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void printSymbols() override;
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void printDynamicSymbols() override;
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void printUnwindInfo() override;
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void printCOFFImports() override;
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void printCOFFExports() override;
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void printCOFFDirectives() override;
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void printCOFFBaseReloc() override;
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void printCOFFDebugDirectory() override;
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void printCodeViewDebugInfo() override;
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void mergeCodeViewTypes(llvm::codeview::TypeTableBuilder &CVIDs,
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llvm::codeview::TypeTableBuilder &CVTypes) override;
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void printStackMap() const override;
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private:
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void printSymbol(const SymbolRef &Sym);
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void printRelocation(const SectionRef &Section, const RelocationRef &Reloc,
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uint64_t Bias = 0);
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void printDataDirectory(uint32_t Index, const std::string &FieldName);
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void printDOSHeader(const dos_header *DH);
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template <class PEHeader> void printPEHeader(const PEHeader *Hdr);
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void printBaseOfDataField(const pe32_header *Hdr);
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void printBaseOfDataField(const pe32plus_header *Hdr);
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void printCodeViewSymbolSection(StringRef SectionName, const SectionRef &Section);
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void printCodeViewTypeSection(StringRef SectionName, const SectionRef &Section);
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StringRef getTypeName(TypeIndex Ty);
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StringRef getFileNameForFileOffset(uint32_t FileOffset);
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void printFileNameForOffset(StringRef Label, uint32_t FileOffset);
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void printTypeIndex(StringRef FieldName, TypeIndex TI) {
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// Forward to CVTypeDumper for simplicity.
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CVTypeDumper::printTypeIndex(Writer, FieldName, TI, TypeDB);
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}
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void printCodeViewSymbolsSubsection(StringRef Subsection,
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const SectionRef &Section,
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StringRef SectionContents);
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void printCodeViewFileChecksums(StringRef Subsection);
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void printCodeViewInlineeLines(StringRef Subsection);
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void printRelocatedField(StringRef Label, const coff_section *Sec,
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uint32_t RelocOffset, uint32_t Offset,
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StringRef *RelocSym = nullptr);
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void printBinaryBlockWithRelocs(StringRef Label, const SectionRef &Sec,
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StringRef SectionContents, StringRef Block);
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/// Given a .debug$S section, find the string table and file checksum table.
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void initializeFileAndStringTables(StringRef Data);
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void cacheRelocations();
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std::error_code resolveSymbol(const coff_section *Section, uint64_t Offset,
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SymbolRef &Sym);
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std::error_code resolveSymbolName(const coff_section *Section,
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uint64_t Offset, StringRef &Name);
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std::error_code resolveSymbolName(const coff_section *Section,
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StringRef SectionContents,
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const void *RelocPtr, StringRef &Name);
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void printImportedSymbols(iterator_range<imported_symbol_iterator> Range);
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void printDelayImportedSymbols(
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const DelayImportDirectoryEntryRef &I,
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iterator_range<imported_symbol_iterator> Range);
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typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy;
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const llvm::object::COFFObjectFile *Obj;
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bool RelocCached = false;
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RelocMapTy RelocMap;
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StringRef CVFileChecksumTable;
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StringRef CVStringTable;
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ScopedPrinter &Writer;
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TypeDatabase TypeDB;
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};
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class COFFObjectDumpDelegate : public SymbolDumpDelegate {
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public:
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COFFObjectDumpDelegate(COFFDumper &CD, const SectionRef &SR,
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const COFFObjectFile *Obj, StringRef SectionContents)
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: CD(CD), SR(SR), SectionContents(SectionContents) {
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Sec = Obj->getCOFFSection(SR);
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}
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uint32_t getRecordOffset(BinaryStreamReader Reader) override {
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ArrayRef<uint8_t> Data;
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if (auto EC = Reader.readLongestContiguousChunk(Data)) {
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llvm::consumeError(std::move(EC));
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return 0;
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}
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return Data.data() - SectionContents.bytes_begin();
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}
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void printRelocatedField(StringRef Label, uint32_t RelocOffset,
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uint32_t Offset, StringRef *RelocSym) override {
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CD.printRelocatedField(Label, Sec, RelocOffset, Offset, RelocSym);
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}
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void printBinaryBlockWithRelocs(StringRef Label,
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ArrayRef<uint8_t> Block) override {
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StringRef SBlock(reinterpret_cast<const char *>(Block.data()),
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Block.size());
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if (opts::CodeViewSubsectionBytes)
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CD.printBinaryBlockWithRelocs(Label, SR, SectionContents, SBlock);
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}
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StringRef getFileNameForFileOffset(uint32_t FileOffset) override {
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return CD.getFileNameForFileOffset(FileOffset);
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}
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StringRef getStringTable() override { return CD.CVStringTable; }
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private:
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COFFDumper &CD;
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const SectionRef &SR;
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const coff_section *Sec;
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StringRef SectionContents;
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};
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} // end namespace
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namespace llvm {
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std::error_code createCOFFDumper(const object::ObjectFile *Obj,
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ScopedPrinter &Writer,
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std::unique_ptr<ObjDumper> &Result) {
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const COFFObjectFile *COFFObj = dyn_cast<COFFObjectFile>(Obj);
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if (!COFFObj)
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return readobj_error::unsupported_obj_file_format;
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Result.reset(new COFFDumper(COFFObj, Writer));
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return readobj_error::success;
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}
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} // namespace llvm
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// Given a a section and an offset into this section the function returns the
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// symbol used for the relocation at the offset.
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std::error_code COFFDumper::resolveSymbol(const coff_section *Section,
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uint64_t Offset, SymbolRef &Sym) {
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cacheRelocations();
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const auto &Relocations = RelocMap[Section];
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auto SymI = Obj->symbol_end();
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for (const auto &Relocation : Relocations) {
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uint64_t RelocationOffset = Relocation.getOffset();
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if (RelocationOffset == Offset) {
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SymI = Relocation.getSymbol();
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break;
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}
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}
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if (SymI == Obj->symbol_end())
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return readobj_error::unknown_symbol;
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Sym = *SymI;
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return readobj_error::success;
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}
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// Given a section and an offset into this section the function returns the name
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// of the symbol used for the relocation at the offset.
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std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
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uint64_t Offset,
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StringRef &Name) {
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SymbolRef Symbol;
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if (std::error_code EC = resolveSymbol(Section, Offset, Symbol))
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return EC;
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Expected<StringRef> NameOrErr = Symbol.getName();
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if (!NameOrErr)
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return errorToErrorCode(NameOrErr.takeError());
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Name = *NameOrErr;
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return std::error_code();
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}
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// Helper for when you have a pointer to real data and you want to know about
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// relocations against it.
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std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
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StringRef SectionContents,
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const void *RelocPtr,
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StringRef &Name) {
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assert(SectionContents.data() < RelocPtr &&
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RelocPtr < SectionContents.data() + SectionContents.size() &&
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"pointer to relocated object is not in section");
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uint64_t Offset = ptrdiff_t(reinterpret_cast<const char *>(RelocPtr) -
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SectionContents.data());
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return resolveSymbolName(Section, Offset, Name);
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}
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void COFFDumper::printRelocatedField(StringRef Label, const coff_section *Sec,
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uint32_t RelocOffset, uint32_t Offset,
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StringRef *RelocSym) {
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StringRef SymStorage;
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StringRef &Symbol = RelocSym ? *RelocSym : SymStorage;
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if (!resolveSymbolName(Sec, RelocOffset, Symbol))
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W.printSymbolOffset(Label, Symbol, Offset);
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else
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W.printHex(Label, RelocOffset);
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}
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void COFFDumper::printBinaryBlockWithRelocs(StringRef Label,
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const SectionRef &Sec,
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StringRef SectionContents,
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StringRef Block) {
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W.printBinaryBlock(Label, Block);
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assert(SectionContents.begin() < Block.begin() &&
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SectionContents.end() >= Block.end() &&
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"Block is not contained in SectionContents");
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uint64_t OffsetStart = Block.data() - SectionContents.data();
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uint64_t OffsetEnd = OffsetStart + Block.size();
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W.flush();
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cacheRelocations();
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ListScope D(W, "BlockRelocations");
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const coff_section *Section = Obj->getCOFFSection(Sec);
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const auto &Relocations = RelocMap[Section];
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for (const auto &Relocation : Relocations) {
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uint64_t RelocationOffset = Relocation.getOffset();
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if (OffsetStart <= RelocationOffset && RelocationOffset < OffsetEnd)
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printRelocation(Sec, Relocation, OffsetStart);
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}
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}
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static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = {
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_UNKNOWN ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AM33 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AMD64 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARMNT ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_EBC ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_I386 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_IA64 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_M32R ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPS16 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU16),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPC ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPCFP),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_R4000 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3DSP ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH4 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH5 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_THUMB ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_WCEMIPSV2)
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};
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static const EnumEntry<COFF::Characteristics> ImageFileCharacteristics[] = {
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_RELOCS_STRIPPED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_EXECUTABLE_IMAGE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LINE_NUMS_STRIPPED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LOCAL_SYMS_STRIPPED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_AGGRESSIVE_WS_TRIM ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LARGE_ADDRESS_AWARE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_LO ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_32BIT_MACHINE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DEBUG_STRIPPED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_NET_RUN_FROM_SWAP ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_SYSTEM ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DLL ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_UP_SYSTEM_ONLY ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_HI )
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};
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static const EnumEntry<COFF::WindowsSubsystem> PEWindowsSubsystem[] = {
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_UNKNOWN ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_NATIVE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_GUI ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CUI ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_POSIX_CUI ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_APPLICATION ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_ROM ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_XBOX ),
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};
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static const EnumEntry<COFF::DLLCharacteristics> PEDLLCharacteristics[] = {
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_APPCONTAINER ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_GUARD_CF ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE),
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};
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static const EnumEntry<COFF::SectionCharacteristics>
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ImageSectionCharacteristics[] = {
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NOLOAD ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_UNINITIALIZED_DATA),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_OTHER ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_INFO ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_REMOVE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_COMDAT ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_GPREL ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PURGEABLE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_16BIT ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_LOCKED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PRELOAD ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_16BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_32BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_64BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_128BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_256BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_512BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1024BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2048BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4096BYTES ),
|
|
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8192BYTES ),
|
|
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_NRELOC_OVFL ),
|
|
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_DISCARDABLE ),
|
|
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_CACHED ),
|
|
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_PAGED ),
|
|
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_SHARED ),
|
|
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_EXECUTE ),
|
|
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_READ ),
|
|
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_WRITE )
|
|
};
|
|
|
|
static const EnumEntry<COFF::SymbolBaseType> ImageSymType[] = {
|
|
{ "Null" , COFF::IMAGE_SYM_TYPE_NULL },
|
|
{ "Void" , COFF::IMAGE_SYM_TYPE_VOID },
|
|
{ "Char" , COFF::IMAGE_SYM_TYPE_CHAR },
|
|
{ "Short" , COFF::IMAGE_SYM_TYPE_SHORT },
|
|
{ "Int" , COFF::IMAGE_SYM_TYPE_INT },
|
|
{ "Long" , COFF::IMAGE_SYM_TYPE_LONG },
|
|
{ "Float" , COFF::IMAGE_SYM_TYPE_FLOAT },
|
|
{ "Double", COFF::IMAGE_SYM_TYPE_DOUBLE },
|
|
{ "Struct", COFF::IMAGE_SYM_TYPE_STRUCT },
|
|
{ "Union" , COFF::IMAGE_SYM_TYPE_UNION },
|
|
{ "Enum" , COFF::IMAGE_SYM_TYPE_ENUM },
|
|
{ "MOE" , COFF::IMAGE_SYM_TYPE_MOE },
|
|
{ "Byte" , COFF::IMAGE_SYM_TYPE_BYTE },
|
|
{ "Word" , COFF::IMAGE_SYM_TYPE_WORD },
|
|
{ "UInt" , COFF::IMAGE_SYM_TYPE_UINT },
|
|
{ "DWord" , COFF::IMAGE_SYM_TYPE_DWORD }
|
|
};
|
|
|
|
static const EnumEntry<COFF::SymbolComplexType> ImageSymDType[] = {
|
|
{ "Null" , COFF::IMAGE_SYM_DTYPE_NULL },
|
|
{ "Pointer" , COFF::IMAGE_SYM_DTYPE_POINTER },
|
|
{ "Function", COFF::IMAGE_SYM_DTYPE_FUNCTION },
|
|
{ "Array" , COFF::IMAGE_SYM_DTYPE_ARRAY }
|
|
};
|
|
|
|
static const EnumEntry<COFF::SymbolStorageClass> ImageSymClass[] = {
|
|
{ "EndOfFunction" , COFF::IMAGE_SYM_CLASS_END_OF_FUNCTION },
|
|
{ "Null" , COFF::IMAGE_SYM_CLASS_NULL },
|
|
{ "Automatic" , COFF::IMAGE_SYM_CLASS_AUTOMATIC },
|
|
{ "External" , COFF::IMAGE_SYM_CLASS_EXTERNAL },
|
|
{ "Static" , COFF::IMAGE_SYM_CLASS_STATIC },
|
|
{ "Register" , COFF::IMAGE_SYM_CLASS_REGISTER },
|
|
{ "ExternalDef" , COFF::IMAGE_SYM_CLASS_EXTERNAL_DEF },
|
|
{ "Label" , COFF::IMAGE_SYM_CLASS_LABEL },
|
|
{ "UndefinedLabel" , COFF::IMAGE_SYM_CLASS_UNDEFINED_LABEL },
|
|
{ "MemberOfStruct" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_STRUCT },
|
|
{ "Argument" , COFF::IMAGE_SYM_CLASS_ARGUMENT },
|
|
{ "StructTag" , COFF::IMAGE_SYM_CLASS_STRUCT_TAG },
|
|
{ "MemberOfUnion" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_UNION },
|
|
{ "UnionTag" , COFF::IMAGE_SYM_CLASS_UNION_TAG },
|
|
{ "TypeDefinition" , COFF::IMAGE_SYM_CLASS_TYPE_DEFINITION },
|
|
{ "UndefinedStatic", COFF::IMAGE_SYM_CLASS_UNDEFINED_STATIC },
|
|
{ "EnumTag" , COFF::IMAGE_SYM_CLASS_ENUM_TAG },
|
|
{ "MemberOfEnum" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_ENUM },
|
|
{ "RegisterParam" , COFF::IMAGE_SYM_CLASS_REGISTER_PARAM },
|
|
{ "BitField" , COFF::IMAGE_SYM_CLASS_BIT_FIELD },
|
|
{ "Block" , COFF::IMAGE_SYM_CLASS_BLOCK },
|
|
{ "Function" , COFF::IMAGE_SYM_CLASS_FUNCTION },
|
|
{ "EndOfStruct" , COFF::IMAGE_SYM_CLASS_END_OF_STRUCT },
|
|
{ "File" , COFF::IMAGE_SYM_CLASS_FILE },
|
|
{ "Section" , COFF::IMAGE_SYM_CLASS_SECTION },
|
|
{ "WeakExternal" , COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL },
|
|
{ "CLRToken" , COFF::IMAGE_SYM_CLASS_CLR_TOKEN }
|
|
};
|
|
|
|
static const EnumEntry<COFF::COMDATType> ImageCOMDATSelect[] = {
|
|
{ "NoDuplicates", COFF::IMAGE_COMDAT_SELECT_NODUPLICATES },
|
|
{ "Any" , COFF::IMAGE_COMDAT_SELECT_ANY },
|
|
{ "SameSize" , COFF::IMAGE_COMDAT_SELECT_SAME_SIZE },
|
|
{ "ExactMatch" , COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH },
|
|
{ "Associative" , COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE },
|
|
{ "Largest" , COFF::IMAGE_COMDAT_SELECT_LARGEST },
|
|
{ "Newest" , COFF::IMAGE_COMDAT_SELECT_NEWEST }
|
|
};
|
|
|
|
static const EnumEntry<COFF::DebugType> ImageDebugType[] = {
|
|
{ "Unknown" , COFF::IMAGE_DEBUG_TYPE_UNKNOWN },
|
|
{ "COFF" , COFF::IMAGE_DEBUG_TYPE_COFF },
|
|
{ "CodeView" , COFF::IMAGE_DEBUG_TYPE_CODEVIEW },
|
|
{ "FPO" , COFF::IMAGE_DEBUG_TYPE_FPO },
|
|
{ "Misc" , COFF::IMAGE_DEBUG_TYPE_MISC },
|
|
{ "Exception" , COFF::IMAGE_DEBUG_TYPE_EXCEPTION },
|
|
{ "Fixup" , COFF::IMAGE_DEBUG_TYPE_FIXUP },
|
|
{ "OmapToSrc" , COFF::IMAGE_DEBUG_TYPE_OMAP_TO_SRC },
|
|
{ "OmapFromSrc", COFF::IMAGE_DEBUG_TYPE_OMAP_FROM_SRC },
|
|
{ "Borland" , COFF::IMAGE_DEBUG_TYPE_BORLAND },
|
|
{ "Reserved10" , COFF::IMAGE_DEBUG_TYPE_RESERVED10 },
|
|
{ "CLSID" , COFF::IMAGE_DEBUG_TYPE_CLSID },
|
|
{ "VCFeature" , COFF::IMAGE_DEBUG_TYPE_VC_FEATURE },
|
|
{ "POGO" , COFF::IMAGE_DEBUG_TYPE_POGO },
|
|
{ "ILTCG" , COFF::IMAGE_DEBUG_TYPE_ILTCG },
|
|
{ "MPX" , COFF::IMAGE_DEBUG_TYPE_MPX },
|
|
{ "Repro" , COFF::IMAGE_DEBUG_TYPE_REPRO },
|
|
};
|
|
|
|
static const EnumEntry<COFF::WeakExternalCharacteristics>
|
|
WeakExternalCharacteristics[] = {
|
|
{ "NoLibrary", COFF::IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY },
|
|
{ "Library" , COFF::IMAGE_WEAK_EXTERN_SEARCH_LIBRARY },
|
|
{ "Alias" , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS }
|
|
};
|
|
|
|
static const EnumEntry<uint32_t> SubSectionTypes[] = {
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, Symbols),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, Lines),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, StringTable),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, FileChecksums),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, FrameData),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, InlineeLines),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, CrossScopeImports),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, CrossScopeExports),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, ILLines),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, FuncMDTokenMap),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, TypeMDTokenMap),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, MergedAssemblyInput),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(ModuleSubstreamKind, CoffSymbolRVA),
|
|
};
|
|
|
|
static const EnumEntry<uint32_t> FrameDataFlags[] = {
|
|
LLVM_READOBJ_ENUM_ENT(FrameData, HasSEH),
|
|
LLVM_READOBJ_ENUM_ENT(FrameData, HasEH),
|
|
LLVM_READOBJ_ENUM_ENT(FrameData, IsFunctionStart),
|
|
};
|
|
|
|
static const EnumEntry<uint8_t> FileChecksumKindNames[] = {
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, None),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, MD5),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA1),
|
|
LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA256),
|
|
};
|
|
|
|
template <typename T>
|
|
static std::error_code getSymbolAuxData(const COFFObjectFile *Obj,
|
|
COFFSymbolRef Symbol,
|
|
uint8_t AuxSymbolIdx, const T *&Aux) {
|
|
ArrayRef<uint8_t> AuxData = Obj->getSymbolAuxData(Symbol);
|
|
AuxData = AuxData.slice(AuxSymbolIdx * Obj->getSymbolTableEntrySize());
|
|
Aux = reinterpret_cast<const T*>(AuxData.data());
|
|
return readobj_error::success;
|
|
}
|
|
|
|
void COFFDumper::cacheRelocations() {
|
|
if (RelocCached)
|
|
return;
|
|
RelocCached = true;
|
|
|
|
for (const SectionRef &S : Obj->sections()) {
|
|
const coff_section *Section = Obj->getCOFFSection(S);
|
|
|
|
for (const RelocationRef &Reloc : S.relocations())
|
|
RelocMap[Section].push_back(Reloc);
|
|
|
|
// Sort relocations by address.
|
|
std::sort(RelocMap[Section].begin(), RelocMap[Section].end(),
|
|
relocAddressLess);
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printDataDirectory(uint32_t Index, const std::string &FieldName) {
|
|
const data_directory *Data;
|
|
if (Obj->getDataDirectory(Index, Data))
|
|
return;
|
|
W.printHex(FieldName + "RVA", Data->RelativeVirtualAddress);
|
|
W.printHex(FieldName + "Size", Data->Size);
|
|
}
|
|
|
|
void COFFDumper::printFileHeaders() {
|
|
time_t TDS = Obj->getTimeDateStamp();
|
|
char FormattedTime[20] = { };
|
|
strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
|
|
|
|
{
|
|
DictScope D(W, "ImageFileHeader");
|
|
W.printEnum ("Machine", Obj->getMachine(),
|
|
makeArrayRef(ImageFileMachineType));
|
|
W.printNumber("SectionCount", Obj->getNumberOfSections());
|
|
W.printHex ("TimeDateStamp", FormattedTime, Obj->getTimeDateStamp());
|
|
W.printHex ("PointerToSymbolTable", Obj->getPointerToSymbolTable());
|
|
W.printNumber("SymbolCount", Obj->getNumberOfSymbols());
|
|
W.printNumber("OptionalHeaderSize", Obj->getSizeOfOptionalHeader());
|
|
W.printFlags ("Characteristics", Obj->getCharacteristics(),
|
|
makeArrayRef(ImageFileCharacteristics));
|
|
}
|
|
|
|
// Print PE header. This header does not exist if this is an object file and
|
|
// not an executable.
|
|
const pe32_header *PEHeader = nullptr;
|
|
error(Obj->getPE32Header(PEHeader));
|
|
if (PEHeader)
|
|
printPEHeader<pe32_header>(PEHeader);
|
|
|
|
const pe32plus_header *PEPlusHeader = nullptr;
|
|
error(Obj->getPE32PlusHeader(PEPlusHeader));
|
|
if (PEPlusHeader)
|
|
printPEHeader<pe32plus_header>(PEPlusHeader);
|
|
|
|
if (const dos_header *DH = Obj->getDOSHeader())
|
|
printDOSHeader(DH);
|
|
}
|
|
|
|
void COFFDumper::printDOSHeader(const dos_header *DH) {
|
|
DictScope D(W, "DOSHeader");
|
|
W.printString("Magic", StringRef(DH->Magic, sizeof(DH->Magic)));
|
|
W.printNumber("UsedBytesInTheLastPage", DH->UsedBytesInTheLastPage);
|
|
W.printNumber("FileSizeInPages", DH->FileSizeInPages);
|
|
W.printNumber("NumberOfRelocationItems", DH->NumberOfRelocationItems);
|
|
W.printNumber("HeaderSizeInParagraphs", DH->HeaderSizeInParagraphs);
|
|
W.printNumber("MinimumExtraParagraphs", DH->MinimumExtraParagraphs);
|
|
W.printNumber("MaximumExtraParagraphs", DH->MaximumExtraParagraphs);
|
|
W.printNumber("InitialRelativeSS", DH->InitialRelativeSS);
|
|
W.printNumber("InitialSP", DH->InitialSP);
|
|
W.printNumber("Checksum", DH->Checksum);
|
|
W.printNumber("InitialIP", DH->InitialIP);
|
|
W.printNumber("InitialRelativeCS", DH->InitialRelativeCS);
|
|
W.printNumber("AddressOfRelocationTable", DH->AddressOfRelocationTable);
|
|
W.printNumber("OverlayNumber", DH->OverlayNumber);
|
|
W.printNumber("OEMid", DH->OEMid);
|
|
W.printNumber("OEMinfo", DH->OEMinfo);
|
|
W.printNumber("AddressOfNewExeHeader", DH->AddressOfNewExeHeader);
|
|
}
|
|
|
|
template <class PEHeader>
|
|
void COFFDumper::printPEHeader(const PEHeader *Hdr) {
|
|
DictScope D(W, "ImageOptionalHeader");
|
|
W.printNumber("MajorLinkerVersion", Hdr->MajorLinkerVersion);
|
|
W.printNumber("MinorLinkerVersion", Hdr->MinorLinkerVersion);
|
|
W.printNumber("SizeOfCode", Hdr->SizeOfCode);
|
|
W.printNumber("SizeOfInitializedData", Hdr->SizeOfInitializedData);
|
|
W.printNumber("SizeOfUninitializedData", Hdr->SizeOfUninitializedData);
|
|
W.printHex ("AddressOfEntryPoint", Hdr->AddressOfEntryPoint);
|
|
W.printHex ("BaseOfCode", Hdr->BaseOfCode);
|
|
printBaseOfDataField(Hdr);
|
|
W.printHex ("ImageBase", Hdr->ImageBase);
|
|
W.printNumber("SectionAlignment", Hdr->SectionAlignment);
|
|
W.printNumber("FileAlignment", Hdr->FileAlignment);
|
|
W.printNumber("MajorOperatingSystemVersion",
|
|
Hdr->MajorOperatingSystemVersion);
|
|
W.printNumber("MinorOperatingSystemVersion",
|
|
Hdr->MinorOperatingSystemVersion);
|
|
W.printNumber("MajorImageVersion", Hdr->MajorImageVersion);
|
|
W.printNumber("MinorImageVersion", Hdr->MinorImageVersion);
|
|
W.printNumber("MajorSubsystemVersion", Hdr->MajorSubsystemVersion);
|
|
W.printNumber("MinorSubsystemVersion", Hdr->MinorSubsystemVersion);
|
|
W.printNumber("SizeOfImage", Hdr->SizeOfImage);
|
|
W.printNumber("SizeOfHeaders", Hdr->SizeOfHeaders);
|
|
W.printEnum ("Subsystem", Hdr->Subsystem, makeArrayRef(PEWindowsSubsystem));
|
|
W.printFlags ("Characteristics", Hdr->DLLCharacteristics,
|
|
makeArrayRef(PEDLLCharacteristics));
|
|
W.printNumber("SizeOfStackReserve", Hdr->SizeOfStackReserve);
|
|
W.printNumber("SizeOfStackCommit", Hdr->SizeOfStackCommit);
|
|
W.printNumber("SizeOfHeapReserve", Hdr->SizeOfHeapReserve);
|
|
W.printNumber("SizeOfHeapCommit", Hdr->SizeOfHeapCommit);
|
|
W.printNumber("NumberOfRvaAndSize", Hdr->NumberOfRvaAndSize);
|
|
|
|
if (Hdr->NumberOfRvaAndSize > 0) {
|
|
DictScope D(W, "DataDirectory");
|
|
static const char * const directory[] = {
|
|
"ExportTable", "ImportTable", "ResourceTable", "ExceptionTable",
|
|
"CertificateTable", "BaseRelocationTable", "Debug", "Architecture",
|
|
"GlobalPtr", "TLSTable", "LoadConfigTable", "BoundImport", "IAT",
|
|
"DelayImportDescriptor", "CLRRuntimeHeader", "Reserved"
|
|
};
|
|
|
|
for (uint32_t i = 0; i < Hdr->NumberOfRvaAndSize; ++i)
|
|
printDataDirectory(i, directory[i]);
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printCOFFDebugDirectory() {
|
|
ListScope LS(W, "DebugDirectory");
|
|
for (const debug_directory &D : Obj->debug_directories()) {
|
|
char FormattedTime[20] = {};
|
|
time_t TDS = D.TimeDateStamp;
|
|
strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
|
|
DictScope S(W, "DebugEntry");
|
|
W.printHex("Characteristics", D.Characteristics);
|
|
W.printHex("TimeDateStamp", FormattedTime, D.TimeDateStamp);
|
|
W.printHex("MajorVersion", D.MajorVersion);
|
|
W.printHex("MinorVersion", D.MinorVersion);
|
|
W.printEnum("Type", D.Type, makeArrayRef(ImageDebugType));
|
|
W.printHex("SizeOfData", D.SizeOfData);
|
|
W.printHex("AddressOfRawData", D.AddressOfRawData);
|
|
W.printHex("PointerToRawData", D.PointerToRawData);
|
|
if (D.Type == COFF::IMAGE_DEBUG_TYPE_CODEVIEW) {
|
|
const codeview::DebugInfo *DebugInfo;
|
|
StringRef PDBFileName;
|
|
error(Obj->getDebugPDBInfo(&D, DebugInfo, PDBFileName));
|
|
DictScope PDBScope(W, "PDBInfo");
|
|
W.printHex("PDBSignature", DebugInfo->Signature.CVSignature);
|
|
if (DebugInfo->Signature.CVSignature == OMF::Signature::PDB70) {
|
|
W.printBinary("PDBGUID", makeArrayRef(DebugInfo->PDB70.Signature));
|
|
W.printNumber("PDBAge", DebugInfo->PDB70.Age);
|
|
W.printString("PDBFileName", PDBFileName);
|
|
}
|
|
} else {
|
|
// FIXME: Type values of 12 and 13 are commonly observed but are not in
|
|
// the documented type enum. Figure out what they mean.
|
|
ArrayRef<uint8_t> RawData;
|
|
error(
|
|
Obj->getRvaAndSizeAsBytes(D.AddressOfRawData, D.SizeOfData, RawData));
|
|
W.printBinaryBlock("RawData", RawData);
|
|
}
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printBaseOfDataField(const pe32_header *Hdr) {
|
|
W.printHex("BaseOfData", Hdr->BaseOfData);
|
|
}
|
|
|
|
void COFFDumper::printBaseOfDataField(const pe32plus_header *) {}
|
|
|
|
void COFFDumper::printCodeViewDebugInfo() {
|
|
// Print types first to build CVUDTNames, then print symbols.
|
|
for (const SectionRef &S : Obj->sections()) {
|
|
StringRef SectionName;
|
|
error(S.getName(SectionName));
|
|
if (SectionName == ".debug$T")
|
|
printCodeViewTypeSection(SectionName, S);
|
|
}
|
|
for (const SectionRef &S : Obj->sections()) {
|
|
StringRef SectionName;
|
|
error(S.getName(SectionName));
|
|
if (SectionName == ".debug$S")
|
|
printCodeViewSymbolSection(SectionName, S);
|
|
}
|
|
}
|
|
|
|
void COFFDumper::initializeFileAndStringTables(StringRef Data) {
|
|
while (!Data.empty() && (CVFileChecksumTable.data() == nullptr ||
|
|
CVStringTable.data() == nullptr)) {
|
|
// The section consists of a number of subsection in the following format:
|
|
// |SubSectionType|SubSectionSize|Contents...|
|
|
uint32_t SubType, SubSectionSize;
|
|
error(consume(Data, SubType));
|
|
error(consume(Data, SubSectionSize));
|
|
if (SubSectionSize > Data.size())
|
|
return error(object_error::parse_failed);
|
|
switch (ModuleSubstreamKind(SubType)) {
|
|
case ModuleSubstreamKind::FileChecksums:
|
|
CVFileChecksumTable = Data.substr(0, SubSectionSize);
|
|
break;
|
|
case ModuleSubstreamKind::StringTable:
|
|
CVStringTable = Data.substr(0, SubSectionSize);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
uint32_t PaddedSize = alignTo(SubSectionSize, 4);
|
|
if (PaddedSize > Data.size())
|
|
error(object_error::parse_failed);
|
|
Data = Data.drop_front(PaddedSize);
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printCodeViewSymbolSection(StringRef SectionName,
|
|
const SectionRef &Section) {
|
|
StringRef SectionContents;
|
|
error(Section.getContents(SectionContents));
|
|
StringRef Data = SectionContents;
|
|
|
|
SmallVector<StringRef, 10> FunctionNames;
|
|
StringMap<StringRef> FunctionLineTables;
|
|
|
|
ListScope D(W, "CodeViewDebugInfo");
|
|
// Print the section to allow correlation with printSections.
|
|
W.printNumber("Section", SectionName, Obj->getSectionID(Section));
|
|
|
|
uint32_t Magic;
|
|
error(consume(Data, Magic));
|
|
W.printHex("Magic", Magic);
|
|
if (Magic != COFF::DEBUG_SECTION_MAGIC)
|
|
return error(object_error::parse_failed);
|
|
|
|
initializeFileAndStringTables(Data);
|
|
|
|
// TODO: Convert this over to using ModuleSubstreamVisitor.
|
|
while (!Data.empty()) {
|
|
// The section consists of a number of subsection in the following format:
|
|
// |SubSectionType|SubSectionSize|Contents...|
|
|
uint32_t SubType, SubSectionSize;
|
|
error(consume(Data, SubType));
|
|
error(consume(Data, SubSectionSize));
|
|
|
|
ListScope S(W, "Subsection");
|
|
W.printEnum("SubSectionType", SubType, makeArrayRef(SubSectionTypes));
|
|
W.printHex("SubSectionSize", SubSectionSize);
|
|
|
|
// Get the contents of the subsection.
|
|
if (SubSectionSize > Data.size())
|
|
return error(object_error::parse_failed);
|
|
StringRef Contents = Data.substr(0, SubSectionSize);
|
|
|
|
// Add SubSectionSize to the current offset and align that offset to find
|
|
// the next subsection.
|
|
size_t SectionOffset = Data.data() - SectionContents.data();
|
|
size_t NextOffset = SectionOffset + SubSectionSize;
|
|
NextOffset = alignTo(NextOffset, 4);
|
|
if (NextOffset > SectionContents.size())
|
|
return error(object_error::parse_failed);
|
|
Data = SectionContents.drop_front(NextOffset);
|
|
|
|
// Optionally print the subsection bytes in case our parsing gets confused
|
|
// later.
|
|
if (opts::CodeViewSubsectionBytes)
|
|
printBinaryBlockWithRelocs("SubSectionContents", Section, SectionContents,
|
|
Contents);
|
|
|
|
switch (ModuleSubstreamKind(SubType)) {
|
|
case ModuleSubstreamKind::Symbols:
|
|
printCodeViewSymbolsSubsection(Contents, Section, SectionContents);
|
|
break;
|
|
|
|
case ModuleSubstreamKind::InlineeLines:
|
|
printCodeViewInlineeLines(Contents);
|
|
break;
|
|
|
|
case ModuleSubstreamKind::FileChecksums:
|
|
printCodeViewFileChecksums(Contents);
|
|
break;
|
|
|
|
case ModuleSubstreamKind::Lines: {
|
|
// Holds a PC to file:line table. Some data to parse this subsection is
|
|
// stored in the other subsections, so just check sanity and store the
|
|
// pointers for deferred processing.
|
|
|
|
if (SubSectionSize < 12) {
|
|
// There should be at least three words to store two function
|
|
// relocations and size of the code.
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
|
|
StringRef LinkageName;
|
|
error(resolveSymbolName(Obj->getCOFFSection(Section), SectionOffset,
|
|
LinkageName));
|
|
W.printString("LinkageName", LinkageName);
|
|
if (FunctionLineTables.count(LinkageName) != 0) {
|
|
// Saw debug info for this function already?
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
|
|
FunctionLineTables[LinkageName] = Contents;
|
|
FunctionNames.push_back(LinkageName);
|
|
break;
|
|
}
|
|
case ModuleSubstreamKind::FrameData: {
|
|
// First four bytes is a relocation against the function.
|
|
BinaryByteStream S(Contents, llvm::support::little);
|
|
BinaryStreamReader SR(S);
|
|
const uint32_t *CodePtr;
|
|
error(SR.readObject(CodePtr));
|
|
StringRef LinkageName;
|
|
error(resolveSymbolName(Obj->getCOFFSection(Section), SectionContents,
|
|
CodePtr, LinkageName));
|
|
W.printString("LinkageName", LinkageName);
|
|
|
|
// To find the active frame description, search this array for the
|
|
// smallest PC range that includes the current PC.
|
|
while (!SR.empty()) {
|
|
const FrameData *FD;
|
|
error(SR.readObject(FD));
|
|
|
|
if (FD->FrameFunc >= CVStringTable.size())
|
|
error(object_error::parse_failed);
|
|
|
|
StringRef FrameFunc =
|
|
CVStringTable.drop_front(FD->FrameFunc).split('\0').first;
|
|
|
|
DictScope S(W, "FrameData");
|
|
W.printHex("RvaStart", FD->RvaStart);
|
|
W.printHex("CodeSize", FD->CodeSize);
|
|
W.printHex("LocalSize", FD->LocalSize);
|
|
W.printHex("ParamsSize", FD->ParamsSize);
|
|
W.printHex("MaxStackSize", FD->MaxStackSize);
|
|
W.printString("FrameFunc", FrameFunc);
|
|
W.printHex("PrologSize", FD->PrologSize);
|
|
W.printHex("SavedRegsSize", FD->SavedRegsSize);
|
|
W.printFlags("Flags", FD->Flags, makeArrayRef(FrameDataFlags));
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Do nothing for unrecognized subsections.
|
|
default:
|
|
break;
|
|
}
|
|
W.flush();
|
|
}
|
|
|
|
// Dump the line tables now that we've read all the subsections and know all
|
|
// the required information.
|
|
for (unsigned I = 0, E = FunctionNames.size(); I != E; ++I) {
|
|
StringRef Name = FunctionNames[I];
|
|
ListScope S(W, "FunctionLineTable");
|
|
W.printString("LinkageName", Name);
|
|
|
|
DataExtractor DE(FunctionLineTables[Name], true, 4);
|
|
uint32_t Offset = 6; // Skip relocations.
|
|
uint16_t Flags = DE.getU16(&Offset);
|
|
W.printHex("Flags", Flags);
|
|
bool HasColumnInformation = Flags & codeview::LineFlags::HaveColumns;
|
|
uint32_t FunctionSize = DE.getU32(&Offset);
|
|
W.printHex("CodeSize", FunctionSize);
|
|
while (DE.isValidOffset(Offset)) {
|
|
// For each range of lines with the same filename, we have a segment
|
|
// in the line table. The filename string is accessed using double
|
|
// indirection to the string table subsection using the index subsection.
|
|
uint32_t OffsetInIndex = DE.getU32(&Offset),
|
|
NumLines = DE.getU32(&Offset),
|
|
FullSegmentSize = DE.getU32(&Offset);
|
|
|
|
uint32_t ColumnOffset = Offset + 8 * NumLines;
|
|
DataExtractor ColumnDE(DE.getData(), true, 4);
|
|
|
|
if (FullSegmentSize !=
|
|
12 + 8 * NumLines + (HasColumnInformation ? 4 * NumLines : 0)) {
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
|
|
ListScope S(W, "FilenameSegment");
|
|
printFileNameForOffset("Filename", OffsetInIndex);
|
|
for (unsigned LineIdx = 0;
|
|
LineIdx != NumLines && DE.isValidOffset(Offset); ++LineIdx) {
|
|
// Then go the (PC, LineNumber) pairs. The line number is stored in the
|
|
// least significant 31 bits of the respective word in the table.
|
|
uint32_t PC = DE.getU32(&Offset), LineData = DE.getU32(&Offset);
|
|
if (PC >= FunctionSize) {
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
char Buffer[32];
|
|
format("+0x%X", PC).snprint(Buffer, 32);
|
|
ListScope PCScope(W, Buffer);
|
|
LineInfo LI(LineData);
|
|
if (LI.isAlwaysStepInto())
|
|
W.printString("StepInto", StringRef("Always"));
|
|
else if (LI.isNeverStepInto())
|
|
W.printString("StepInto", StringRef("Never"));
|
|
else
|
|
W.printNumber("LineNumberStart", LI.getStartLine());
|
|
W.printNumber("LineNumberEndDelta", LI.getLineDelta());
|
|
W.printBoolean("IsStatement", LI.isStatement());
|
|
if (HasColumnInformation &&
|
|
ColumnDE.isValidOffsetForDataOfSize(ColumnOffset, 4)) {
|
|
uint16_t ColStart = ColumnDE.getU16(&ColumnOffset);
|
|
W.printNumber("ColStart", ColStart);
|
|
uint16_t ColEnd = ColumnDE.getU16(&ColumnOffset);
|
|
W.printNumber("ColEnd", ColEnd);
|
|
}
|
|
}
|
|
// Skip over the column data.
|
|
if (HasColumnInformation) {
|
|
for (unsigned LineIdx = 0;
|
|
LineIdx != NumLines && DE.isValidOffset(Offset); ++LineIdx) {
|
|
DE.getU32(&Offset);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printCodeViewSymbolsSubsection(StringRef Subsection,
|
|
const SectionRef &Section,
|
|
StringRef SectionContents) {
|
|
ArrayRef<uint8_t> BinaryData(Subsection.bytes_begin(),
|
|
Subsection.bytes_end());
|
|
auto CODD = llvm::make_unique<COFFObjectDumpDelegate>(*this, Section, Obj,
|
|
SectionContents);
|
|
|
|
CVSymbolDumper CVSD(W, TypeDB, std::move(CODD),
|
|
opts::CodeViewSubsectionBytes);
|
|
BinaryByteStream Stream(BinaryData, llvm::support::little);
|
|
CVSymbolArray Symbols;
|
|
BinaryStreamReader Reader(Stream);
|
|
if (auto EC = Reader.readArray(Symbols, Reader.getLength())) {
|
|
consumeError(std::move(EC));
|
|
W.flush();
|
|
error(object_error::parse_failed);
|
|
}
|
|
|
|
if (auto EC = CVSD.dump(Symbols)) {
|
|
W.flush();
|
|
error(std::move(EC));
|
|
}
|
|
W.flush();
|
|
}
|
|
|
|
void COFFDumper::printCodeViewFileChecksums(StringRef Subsection) {
|
|
BinaryByteStream S(Subsection, llvm::support::little);
|
|
BinaryStreamReader SR(S);
|
|
while (!SR.empty()) {
|
|
DictScope S(W, "FileChecksum");
|
|
const FileChecksum *FC;
|
|
error(SR.readObject(FC));
|
|
if (FC->FileNameOffset >= CVStringTable.size())
|
|
error(object_error::parse_failed);
|
|
StringRef Filename =
|
|
CVStringTable.drop_front(FC->FileNameOffset).split('\0').first;
|
|
W.printHex("Filename", Filename, FC->FileNameOffset);
|
|
W.printHex("ChecksumSize", FC->ChecksumSize);
|
|
W.printEnum("ChecksumKind", uint8_t(FC->ChecksumKind),
|
|
makeArrayRef(FileChecksumKindNames));
|
|
if (FC->ChecksumSize >= SR.bytesRemaining())
|
|
error(object_error::parse_failed);
|
|
ArrayRef<uint8_t> ChecksumBytes;
|
|
error(SR.readBytes(ChecksumBytes, FC->ChecksumSize));
|
|
W.printBinary("ChecksumBytes", ChecksumBytes);
|
|
unsigned PaddedSize = alignTo(FC->ChecksumSize + sizeof(FileChecksum), 4) -
|
|
sizeof(FileChecksum);
|
|
PaddedSize -= ChecksumBytes.size();
|
|
if (PaddedSize > SR.bytesRemaining())
|
|
error(object_error::parse_failed);
|
|
error(SR.skip(PaddedSize));
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printCodeViewInlineeLines(StringRef Subsection) {
|
|
BinaryByteStream S(Subsection, llvm::support::little);
|
|
BinaryStreamReader SR(S);
|
|
uint32_t Signature;
|
|
error(SR.readInteger(Signature));
|
|
bool HasExtraFiles = Signature == unsigned(InlineeLinesSignature::ExtraFiles);
|
|
|
|
while (!SR.empty()) {
|
|
const InlineeSourceLine *ISL;
|
|
error(SR.readObject(ISL));
|
|
DictScope S(W, "InlineeSourceLine");
|
|
printTypeIndex("Inlinee", ISL->Inlinee);
|
|
printFileNameForOffset("FileID", ISL->FileID);
|
|
W.printNumber("SourceLineNum", ISL->SourceLineNum);
|
|
|
|
if (HasExtraFiles) {
|
|
uint32_t ExtraFileCount;
|
|
error(SR.readInteger(ExtraFileCount));
|
|
W.printNumber("ExtraFileCount", ExtraFileCount);
|
|
ListScope ExtraFiles(W, "ExtraFiles");
|
|
for (unsigned I = 0; I < ExtraFileCount; ++I) {
|
|
uint32_t FileID;
|
|
error(SR.readInteger(FileID));
|
|
printFileNameForOffset("FileID", FileID);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
StringRef COFFDumper::getFileNameForFileOffset(uint32_t FileOffset) {
|
|
// The file checksum subsection should precede all references to it.
|
|
if (!CVFileChecksumTable.data() || !CVStringTable.data())
|
|
error(object_error::parse_failed);
|
|
// Check if the file checksum table offset is valid.
|
|
if (FileOffset >= CVFileChecksumTable.size())
|
|
error(object_error::parse_failed);
|
|
|
|
// The string table offset comes first before the file checksum.
|
|
StringRef Data = CVFileChecksumTable.drop_front(FileOffset);
|
|
uint32_t StringOffset;
|
|
error(consume(Data, StringOffset));
|
|
|
|
// Check if the string table offset is valid.
|
|
if (StringOffset >= CVStringTable.size())
|
|
error(object_error::parse_failed);
|
|
|
|
// Return the null-terminated string.
|
|
return CVStringTable.drop_front(StringOffset).split('\0').first;
|
|
}
|
|
|
|
void COFFDumper::printFileNameForOffset(StringRef Label, uint32_t FileOffset) {
|
|
W.printHex(Label, getFileNameForFileOffset(FileOffset), FileOffset);
|
|
}
|
|
|
|
void COFFDumper::mergeCodeViewTypes(TypeTableBuilder &CVIDs,
|
|
TypeTableBuilder &CVTypes) {
|
|
for (const SectionRef &S : Obj->sections()) {
|
|
StringRef SectionName;
|
|
error(S.getName(SectionName));
|
|
if (SectionName == ".debug$T") {
|
|
StringRef Data;
|
|
error(S.getContents(Data));
|
|
uint32_t Magic;
|
|
error(consume(Data, Magic));
|
|
if (Magic != 4)
|
|
error(object_error::parse_failed);
|
|
ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(Data.data()),
|
|
Data.size());
|
|
BinaryByteStream Stream(Bytes, llvm::support::little);
|
|
CVTypeArray Types;
|
|
BinaryStreamReader Reader(Stream);
|
|
if (auto EC = Reader.readArray(Types, Reader.getLength())) {
|
|
consumeError(std::move(EC));
|
|
W.flush();
|
|
error(object_error::parse_failed);
|
|
}
|
|
|
|
if (auto EC = mergeTypeStreams(CVIDs, CVTypes, nullptr, Types))
|
|
return error(std::move(EC));
|
|
}
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printCodeViewTypeSection(StringRef SectionName,
|
|
const SectionRef &Section) {
|
|
ListScope D(W, "CodeViewTypes");
|
|
W.printNumber("Section", SectionName, Obj->getSectionID(Section));
|
|
|
|
StringRef Data;
|
|
error(Section.getContents(Data));
|
|
if (opts::CodeViewSubsectionBytes)
|
|
W.printBinaryBlock("Data", Data);
|
|
|
|
uint32_t Magic;
|
|
error(consume(Data, Magic));
|
|
W.printHex("Magic", Magic);
|
|
if (Magic != COFF::DEBUG_SECTION_MAGIC)
|
|
return error(object_error::parse_failed);
|
|
|
|
CVTypeDumper CVTD(TypeDB);
|
|
TypeDumpVisitor TDV(TypeDB, &W, opts::CodeViewSubsectionBytes);
|
|
if (auto EC = CVTD.dump({Data.bytes_begin(), Data.bytes_end()}, TDV)) {
|
|
W.flush();
|
|
error(llvm::errorToErrorCode(std::move(EC)));
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printSections() {
|
|
ListScope SectionsD(W, "Sections");
|
|
int SectionNumber = 0;
|
|
for (const SectionRef &Sec : Obj->sections()) {
|
|
++SectionNumber;
|
|
const coff_section *Section = Obj->getCOFFSection(Sec);
|
|
|
|
StringRef Name;
|
|
error(Sec.getName(Name));
|
|
|
|
DictScope D(W, "Section");
|
|
W.printNumber("Number", SectionNumber);
|
|
W.printBinary("Name", Name, Section->Name);
|
|
W.printHex ("VirtualSize", Section->VirtualSize);
|
|
W.printHex ("VirtualAddress", Section->VirtualAddress);
|
|
W.printNumber("RawDataSize", Section->SizeOfRawData);
|
|
W.printHex ("PointerToRawData", Section->PointerToRawData);
|
|
W.printHex ("PointerToRelocations", Section->PointerToRelocations);
|
|
W.printHex ("PointerToLineNumbers", Section->PointerToLinenumbers);
|
|
W.printNumber("RelocationCount", Section->NumberOfRelocations);
|
|
W.printNumber("LineNumberCount", Section->NumberOfLinenumbers);
|
|
W.printFlags ("Characteristics", Section->Characteristics,
|
|
makeArrayRef(ImageSectionCharacteristics),
|
|
COFF::SectionCharacteristics(0x00F00000));
|
|
|
|
if (opts::SectionRelocations) {
|
|
ListScope D(W, "Relocations");
|
|
for (const RelocationRef &Reloc : Sec.relocations())
|
|
printRelocation(Sec, Reloc);
|
|
}
|
|
|
|
if (opts::SectionSymbols) {
|
|
ListScope D(W, "Symbols");
|
|
for (const SymbolRef &Symbol : Obj->symbols()) {
|
|
if (!Sec.containsSymbol(Symbol))
|
|
continue;
|
|
|
|
printSymbol(Symbol);
|
|
}
|
|
}
|
|
|
|
if (opts::SectionData &&
|
|
!(Section->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)) {
|
|
StringRef Data;
|
|
error(Sec.getContents(Data));
|
|
|
|
W.printBinaryBlock("SectionData", Data);
|
|
}
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printRelocations() {
|
|
ListScope D(W, "Relocations");
|
|
|
|
int SectionNumber = 0;
|
|
for (const SectionRef &Section : Obj->sections()) {
|
|
++SectionNumber;
|
|
StringRef Name;
|
|
error(Section.getName(Name));
|
|
|
|
bool PrintedGroup = false;
|
|
for (const RelocationRef &Reloc : Section.relocations()) {
|
|
if (!PrintedGroup) {
|
|
W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
|
|
W.indent();
|
|
PrintedGroup = true;
|
|
}
|
|
|
|
printRelocation(Section, Reloc);
|
|
}
|
|
|
|
if (PrintedGroup) {
|
|
W.unindent();
|
|
W.startLine() << "}\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printRelocation(const SectionRef &Section,
|
|
const RelocationRef &Reloc, uint64_t Bias) {
|
|
uint64_t Offset = Reloc.getOffset() - Bias;
|
|
uint64_t RelocType = Reloc.getType();
|
|
SmallString<32> RelocName;
|
|
StringRef SymbolName;
|
|
Reloc.getTypeName(RelocName);
|
|
symbol_iterator Symbol = Reloc.getSymbol();
|
|
if (Symbol != Obj->symbol_end()) {
|
|
Expected<StringRef> SymbolNameOrErr = Symbol->getName();
|
|
error(errorToErrorCode(SymbolNameOrErr.takeError()));
|
|
SymbolName = *SymbolNameOrErr;
|
|
}
|
|
|
|
if (opts::ExpandRelocs) {
|
|
DictScope Group(W, "Relocation");
|
|
W.printHex("Offset", Offset);
|
|
W.printNumber("Type", RelocName, RelocType);
|
|
W.printString("Symbol", SymbolName.empty() ? "-" : SymbolName);
|
|
} else {
|
|
raw_ostream& OS = W.startLine();
|
|
OS << W.hex(Offset)
|
|
<< " " << RelocName
|
|
<< " " << (SymbolName.empty() ? "-" : SymbolName)
|
|
<< "\n";
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printSymbols() {
|
|
ListScope Group(W, "Symbols");
|
|
|
|
for (const SymbolRef &Symbol : Obj->symbols())
|
|
printSymbol(Symbol);
|
|
}
|
|
|
|
void COFFDumper::printDynamicSymbols() { ListScope Group(W, "DynamicSymbols"); }
|
|
|
|
static ErrorOr<StringRef>
|
|
getSectionName(const llvm::object::COFFObjectFile *Obj, int32_t SectionNumber,
|
|
const coff_section *Section) {
|
|
if (Section) {
|
|
StringRef SectionName;
|
|
if (std::error_code EC = Obj->getSectionName(Section, SectionName))
|
|
return EC;
|
|
return SectionName;
|
|
}
|
|
if (SectionNumber == llvm::COFF::IMAGE_SYM_DEBUG)
|
|
return StringRef("IMAGE_SYM_DEBUG");
|
|
if (SectionNumber == llvm::COFF::IMAGE_SYM_ABSOLUTE)
|
|
return StringRef("IMAGE_SYM_ABSOLUTE");
|
|
if (SectionNumber == llvm::COFF::IMAGE_SYM_UNDEFINED)
|
|
return StringRef("IMAGE_SYM_UNDEFINED");
|
|
return StringRef("");
|
|
}
|
|
|
|
void COFFDumper::printSymbol(const SymbolRef &Sym) {
|
|
DictScope D(W, "Symbol");
|
|
|
|
COFFSymbolRef Symbol = Obj->getCOFFSymbol(Sym);
|
|
const coff_section *Section;
|
|
if (std::error_code EC = Obj->getSection(Symbol.getSectionNumber(), Section)) {
|
|
W.startLine() << "Invalid section number: " << EC.message() << "\n";
|
|
W.flush();
|
|
return;
|
|
}
|
|
|
|
StringRef SymbolName;
|
|
if (Obj->getSymbolName(Symbol, SymbolName))
|
|
SymbolName = "";
|
|
|
|
StringRef SectionName = "";
|
|
ErrorOr<StringRef> Res =
|
|
getSectionName(Obj, Symbol.getSectionNumber(), Section);
|
|
if (Res)
|
|
SectionName = *Res;
|
|
|
|
W.printString("Name", SymbolName);
|
|
W.printNumber("Value", Symbol.getValue());
|
|
W.printNumber("Section", SectionName, Symbol.getSectionNumber());
|
|
W.printEnum ("BaseType", Symbol.getBaseType(), makeArrayRef(ImageSymType));
|
|
W.printEnum ("ComplexType", Symbol.getComplexType(),
|
|
makeArrayRef(ImageSymDType));
|
|
W.printEnum ("StorageClass", Symbol.getStorageClass(),
|
|
makeArrayRef(ImageSymClass));
|
|
W.printNumber("AuxSymbolCount", Symbol.getNumberOfAuxSymbols());
|
|
|
|
for (uint8_t I = 0; I < Symbol.getNumberOfAuxSymbols(); ++I) {
|
|
if (Symbol.isFunctionDefinition()) {
|
|
const coff_aux_function_definition *Aux;
|
|
error(getSymbolAuxData(Obj, Symbol, I, Aux));
|
|
|
|
DictScope AS(W, "AuxFunctionDef");
|
|
W.printNumber("TagIndex", Aux->TagIndex);
|
|
W.printNumber("TotalSize", Aux->TotalSize);
|
|
W.printHex("PointerToLineNumber", Aux->PointerToLinenumber);
|
|
W.printHex("PointerToNextFunction", Aux->PointerToNextFunction);
|
|
|
|
} else if (Symbol.isAnyUndefined()) {
|
|
const coff_aux_weak_external *Aux;
|
|
error(getSymbolAuxData(Obj, Symbol, I, Aux));
|
|
|
|
ErrorOr<COFFSymbolRef> Linked = Obj->getSymbol(Aux->TagIndex);
|
|
StringRef LinkedName;
|
|
std::error_code EC = Linked.getError();
|
|
if (EC || (EC = Obj->getSymbolName(*Linked, LinkedName))) {
|
|
LinkedName = "";
|
|
error(EC);
|
|
}
|
|
|
|
DictScope AS(W, "AuxWeakExternal");
|
|
W.printNumber("Linked", LinkedName, Aux->TagIndex);
|
|
W.printEnum ("Search", Aux->Characteristics,
|
|
makeArrayRef(WeakExternalCharacteristics));
|
|
|
|
} else if (Symbol.isFileRecord()) {
|
|
const char *FileName;
|
|
error(getSymbolAuxData(Obj, Symbol, I, FileName));
|
|
|
|
DictScope AS(W, "AuxFileRecord");
|
|
|
|
StringRef Name(FileName, Symbol.getNumberOfAuxSymbols() *
|
|
Obj->getSymbolTableEntrySize());
|
|
W.printString("FileName", Name.rtrim(StringRef("\0", 1)));
|
|
break;
|
|
} else if (Symbol.isSectionDefinition()) {
|
|
const coff_aux_section_definition *Aux;
|
|
error(getSymbolAuxData(Obj, Symbol, I, Aux));
|
|
|
|
int32_t AuxNumber = Aux->getNumber(Symbol.isBigObj());
|
|
|
|
DictScope AS(W, "AuxSectionDef");
|
|
W.printNumber("Length", Aux->Length);
|
|
W.printNumber("RelocationCount", Aux->NumberOfRelocations);
|
|
W.printNumber("LineNumberCount", Aux->NumberOfLinenumbers);
|
|
W.printHex("Checksum", Aux->CheckSum);
|
|
W.printNumber("Number", AuxNumber);
|
|
W.printEnum("Selection", Aux->Selection, makeArrayRef(ImageCOMDATSelect));
|
|
|
|
if (Section && Section->Characteristics & COFF::IMAGE_SCN_LNK_COMDAT
|
|
&& Aux->Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) {
|
|
const coff_section *Assoc;
|
|
StringRef AssocName = "";
|
|
std::error_code EC = Obj->getSection(AuxNumber, Assoc);
|
|
ErrorOr<StringRef> Res = getSectionName(Obj, AuxNumber, Assoc);
|
|
if (Res)
|
|
AssocName = *Res;
|
|
if (!EC)
|
|
EC = Res.getError();
|
|
if (EC) {
|
|
AssocName = "";
|
|
error(EC);
|
|
}
|
|
|
|
W.printNumber("AssocSection", AssocName, AuxNumber);
|
|
}
|
|
} else if (Symbol.isCLRToken()) {
|
|
const coff_aux_clr_token *Aux;
|
|
error(getSymbolAuxData(Obj, Symbol, I, Aux));
|
|
|
|
ErrorOr<COFFSymbolRef> ReferredSym =
|
|
Obj->getSymbol(Aux->SymbolTableIndex);
|
|
StringRef ReferredName;
|
|
std::error_code EC = ReferredSym.getError();
|
|
if (EC || (EC = Obj->getSymbolName(*ReferredSym, ReferredName))) {
|
|
ReferredName = "";
|
|
error(EC);
|
|
}
|
|
|
|
DictScope AS(W, "AuxCLRToken");
|
|
W.printNumber("AuxType", Aux->AuxType);
|
|
W.printNumber("Reserved", Aux->Reserved);
|
|
W.printNumber("SymbolTableIndex", ReferredName, Aux->SymbolTableIndex);
|
|
|
|
} else {
|
|
W.startLine() << "<unhandled auxiliary record>\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printUnwindInfo() {
|
|
ListScope D(W, "UnwindInformation");
|
|
switch (Obj->getMachine()) {
|
|
case COFF::IMAGE_FILE_MACHINE_AMD64: {
|
|
Win64EH::Dumper Dumper(W);
|
|
Win64EH::Dumper::SymbolResolver
|
|
Resolver = [](const object::coff_section *Section, uint64_t Offset,
|
|
SymbolRef &Symbol, void *user_data) -> std::error_code {
|
|
COFFDumper *Dumper = reinterpret_cast<COFFDumper *>(user_data);
|
|
return Dumper->resolveSymbol(Section, Offset, Symbol);
|
|
};
|
|
Win64EH::Dumper::Context Ctx(*Obj, Resolver, this);
|
|
Dumper.printData(Ctx);
|
|
break;
|
|
}
|
|
case COFF::IMAGE_FILE_MACHINE_ARMNT: {
|
|
ARM::WinEH::Decoder Decoder(W);
|
|
Decoder.dumpProcedureData(*Obj);
|
|
break;
|
|
}
|
|
default:
|
|
W.printEnum("unsupported Image Machine", Obj->getMachine(),
|
|
makeArrayRef(ImageFileMachineType));
|
|
break;
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printImportedSymbols(
|
|
iterator_range<imported_symbol_iterator> Range) {
|
|
for (const ImportedSymbolRef &I : Range) {
|
|
StringRef Sym;
|
|
error(I.getSymbolName(Sym));
|
|
uint16_t Ordinal;
|
|
error(I.getOrdinal(Ordinal));
|
|
W.printNumber("Symbol", Sym, Ordinal);
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printDelayImportedSymbols(
|
|
const DelayImportDirectoryEntryRef &I,
|
|
iterator_range<imported_symbol_iterator> Range) {
|
|
int Index = 0;
|
|
for (const ImportedSymbolRef &S : Range) {
|
|
DictScope Import(W, "Import");
|
|
StringRef Sym;
|
|
error(S.getSymbolName(Sym));
|
|
uint16_t Ordinal;
|
|
error(S.getOrdinal(Ordinal));
|
|
W.printNumber("Symbol", Sym, Ordinal);
|
|
uint64_t Addr;
|
|
error(I.getImportAddress(Index++, Addr));
|
|
W.printHex("Address", Addr);
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printCOFFImports() {
|
|
// Regular imports
|
|
for (const ImportDirectoryEntryRef &I : Obj->import_directories()) {
|
|
DictScope Import(W, "Import");
|
|
StringRef Name;
|
|
error(I.getName(Name));
|
|
W.printString("Name", Name);
|
|
uint32_t ILTAddr;
|
|
error(I.getImportLookupTableRVA(ILTAddr));
|
|
W.printHex("ImportLookupTableRVA", ILTAddr);
|
|
uint32_t IATAddr;
|
|
error(I.getImportAddressTableRVA(IATAddr));
|
|
W.printHex("ImportAddressTableRVA", IATAddr);
|
|
// The import lookup table can be missing with certain older linkers, so
|
|
// fall back to the import address table in that case.
|
|
if (ILTAddr)
|
|
printImportedSymbols(I.lookup_table_symbols());
|
|
else
|
|
printImportedSymbols(I.imported_symbols());
|
|
}
|
|
|
|
// Delay imports
|
|
for (const DelayImportDirectoryEntryRef &I : Obj->delay_import_directories()) {
|
|
DictScope Import(W, "DelayImport");
|
|
StringRef Name;
|
|
error(I.getName(Name));
|
|
W.printString("Name", Name);
|
|
const delay_import_directory_table_entry *Table;
|
|
error(I.getDelayImportTable(Table));
|
|
W.printHex("Attributes", Table->Attributes);
|
|
W.printHex("ModuleHandle", Table->ModuleHandle);
|
|
W.printHex("ImportAddressTable", Table->DelayImportAddressTable);
|
|
W.printHex("ImportNameTable", Table->DelayImportNameTable);
|
|
W.printHex("BoundDelayImportTable", Table->BoundDelayImportTable);
|
|
W.printHex("UnloadDelayImportTable", Table->UnloadDelayImportTable);
|
|
printDelayImportedSymbols(I, I.imported_symbols());
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printCOFFExports() {
|
|
for (const ExportDirectoryEntryRef &E : Obj->export_directories()) {
|
|
DictScope Export(W, "Export");
|
|
|
|
StringRef Name;
|
|
uint32_t Ordinal, RVA;
|
|
|
|
error(E.getSymbolName(Name));
|
|
error(E.getOrdinal(Ordinal));
|
|
error(E.getExportRVA(RVA));
|
|
|
|
W.printNumber("Ordinal", Ordinal);
|
|
W.printString("Name", Name);
|
|
W.printHex("RVA", RVA);
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printCOFFDirectives() {
|
|
for (const SectionRef &Section : Obj->sections()) {
|
|
StringRef Contents;
|
|
StringRef Name;
|
|
|
|
error(Section.getName(Name));
|
|
if (Name != ".drectve")
|
|
continue;
|
|
|
|
error(Section.getContents(Contents));
|
|
|
|
W.printString("Directive(s)", Contents);
|
|
}
|
|
}
|
|
|
|
static StringRef getBaseRelocTypeName(uint8_t Type) {
|
|
switch (Type) {
|
|
case COFF::IMAGE_REL_BASED_ABSOLUTE: return "ABSOLUTE";
|
|
case COFF::IMAGE_REL_BASED_HIGH: return "HIGH";
|
|
case COFF::IMAGE_REL_BASED_LOW: return "LOW";
|
|
case COFF::IMAGE_REL_BASED_HIGHLOW: return "HIGHLOW";
|
|
case COFF::IMAGE_REL_BASED_HIGHADJ: return "HIGHADJ";
|
|
case COFF::IMAGE_REL_BASED_ARM_MOV32T: return "ARM_MOV32(T)";
|
|
case COFF::IMAGE_REL_BASED_DIR64: return "DIR64";
|
|
default: return "unknown (" + llvm::utostr(Type) + ")";
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printCOFFBaseReloc() {
|
|
ListScope D(W, "BaseReloc");
|
|
for (const BaseRelocRef &I : Obj->base_relocs()) {
|
|
uint8_t Type;
|
|
uint32_t RVA;
|
|
error(I.getRVA(RVA));
|
|
error(I.getType(Type));
|
|
DictScope Import(W, "Entry");
|
|
W.printString("Type", getBaseRelocTypeName(Type));
|
|
W.printHex("Address", RVA);
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printStackMap() const {
|
|
object::SectionRef StackMapSection;
|
|
for (auto Sec : Obj->sections()) {
|
|
StringRef Name;
|
|
Sec.getName(Name);
|
|
if (Name == ".llvm_stackmaps") {
|
|
StackMapSection = Sec;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (StackMapSection == object::SectionRef())
|
|
return;
|
|
|
|
StringRef StackMapContents;
|
|
StackMapSection.getContents(StackMapContents);
|
|
ArrayRef<uint8_t> StackMapContentsArray(
|
|
reinterpret_cast<const uint8_t*>(StackMapContents.data()),
|
|
StackMapContents.size());
|
|
|
|
if (Obj->isLittleEndian())
|
|
prettyPrintStackMap(
|
|
llvm::outs(),
|
|
StackMapV2Parser<support::little>(StackMapContentsArray));
|
|
else
|
|
prettyPrintStackMap(llvm::outs(),
|
|
StackMapV2Parser<support::big>(StackMapContentsArray));
|
|
}
|
|
|
|
void llvm::dumpCodeViewMergedTypes(ScopedPrinter &Writer,
|
|
llvm::codeview::TypeTableBuilder &IDTable,
|
|
llvm::codeview::TypeTableBuilder &CVTypes) {
|
|
// Flatten it first, then run our dumper on it.
|
|
SmallString<0> TypeBuf;
|
|
CVTypes.ForEachRecord([&](TypeIndex TI, ArrayRef<uint8_t> Record) {
|
|
TypeBuf.append(Record.begin(), Record.end());
|
|
});
|
|
|
|
TypeDatabase TypeDB;
|
|
{
|
|
ListScope S(Writer, "MergedTypeStream");
|
|
CVTypeDumper CVTD(TypeDB);
|
|
TypeDumpVisitor TDV(TypeDB, &Writer, opts::CodeViewSubsectionBytes);
|
|
if (auto EC = CVTD.dump(
|
|
{TypeBuf.str().bytes_begin(), TypeBuf.str().bytes_end()}, TDV)) {
|
|
Writer.flush();
|
|
error(std::move(EC));
|
|
}
|
|
}
|
|
|
|
// Flatten the id stream and print it next. The ID stream refers to names from
|
|
// the type stream.
|
|
SmallString<0> IDBuf;
|
|
IDTable.ForEachRecord([&](TypeIndex TI, ArrayRef<uint8_t> Record) {
|
|
IDBuf.append(Record.begin(), Record.end());
|
|
});
|
|
|
|
{
|
|
ListScope S(Writer, "MergedIDStream");
|
|
TypeDatabase IDDB;
|
|
CVTypeDumper CVTD(IDDB);
|
|
TypeDumpVisitor TDV(TypeDB, &Writer, opts::CodeViewSubsectionBytes);
|
|
TDV.setItemDB(IDDB);
|
|
if (auto EC = CVTD.dump(
|
|
{IDBuf.str().bytes_begin(), IDBuf.str().bytes_end()}, TDV)) {
|
|
Writer.flush();
|
|
error(std::move(EC));
|
|
}
|
|
}
|
|
}
|