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llvm-project/llvm/tools/llvm-readobj/COFFDumper.cpp

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//===-- COFFDumper.cpp - COFF-specific dumper -------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file implements the COFF-specific dumper for llvm-readobj.
///
//===----------------------------------------------------------------------===//
#include "ARMWinEHPrinter.h"
#include "CodeView.h"
#include "Error.h"
#include "ObjDumper.h"
#include "StackMapPrinter.h"
#include "Win64EHDumper.h"
#include "llvm-readobj.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/Line.h"
#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
#include "llvm/DebugInfo/CodeView/MemoryTypeTableBuilder.h"
#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
#include "llvm/DebugInfo/CodeView/TypeDumper.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/DebugInfo/CodeView/TypeRecord.h"
#include "llvm/DebugInfo/CodeView/TypeStream.h"
#include "llvm/DebugInfo/CodeView/TypeStreamMerger.h"
#include "llvm/Object/COFF.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/COFF.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/DataExtractor.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/ScopedPrinter.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/Win64EH.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cstring>
#include <system_error>
#include <time.h>
using namespace llvm;
using namespace llvm::object;
using namespace llvm::codeview;
using namespace llvm::support;
using namespace llvm::Win64EH;
namespace {
class COFFDumper : public ObjDumper {
public:
COFFDumper(const llvm::object::COFFObjectFile *Obj, ScopedPrinter &Writer)
: ObjDumper(Writer), Obj(Obj),
CVTD(Writer, opts::CodeViewSubsectionBytes) {}
void printFileHeaders() override;
void printSections() override;
void printRelocations() override;
void printSymbols() override;
void printDynamicSymbols() override;
void printUnwindInfo() override;
void printCOFFImports() override;
void printCOFFExports() override;
void printCOFFDirectives() override;
void printCOFFBaseReloc() override;
void printCodeViewDebugInfo() override;
void
mergeCodeViewTypes(llvm::codeview::MemoryTypeTableBuilder &CVTypes) override;
void printStackMap() const override;
private:
void printSymbol(const SymbolRef &Sym);
void printRelocation(const SectionRef &Section, const RelocationRef &Reloc,
uint64_t Bias = 0);
void printDataDirectory(uint32_t Index, const std::string &FieldName);
void printDOSHeader(const dos_header *DH);
template <class PEHeader> void printPEHeader(const PEHeader *Hdr);
void printBaseOfDataField(const pe32_header *Hdr);
void printBaseOfDataField(const pe32plus_header *Hdr);
void printCodeViewSymbolSection(StringRef SectionName, const SectionRef &Section);
void printCodeViewTypeSection(StringRef SectionName, const SectionRef &Section);
StringRef getTypeName(TypeIndex Ty);
StringRef getFileNameForFileOffset(uint32_t FileOffset);
void printFileNameForOffset(StringRef Label, uint32_t FileOffset);
void printTypeIndex(StringRef FieldName, TypeIndex TI) {
// Forward to CVTypeDumper for simplicity.
CVTD.printTypeIndex(FieldName, TI);
}
void printLocalVariableAddrRange(const LocalVariableAddrRange &Range,
const coff_section *Sec,
StringRef SectionContents);
void printLocalVariableAddrGap(StringRef &SymData);
void printCodeViewSymbolsSubsection(StringRef Subsection,
const SectionRef &Section,
StringRef SectionContents);
void printCodeViewFileChecksums(StringRef Subsection);
void printCodeViewInlineeLines(StringRef Subsection);
void printRelocatedField(StringRef Label, const coff_section *Sec,
StringRef SectionContents, const ulittle32_t *Field,
StringRef *RelocSym = nullptr);
void printBinaryBlockWithRelocs(StringRef Label, const SectionRef &Sec,
StringRef SectionContents, StringRef Block);
/// Given a .debug$S section, find the string table and file checksum table.
void initializeFileAndStringTables(StringRef Data);
void cacheRelocations();
std::error_code resolveSymbol(const coff_section *Section, uint64_t Offset,
SymbolRef &Sym);
std::error_code resolveSymbolName(const coff_section *Section,
uint64_t Offset, StringRef &Name);
std::error_code resolveSymbolName(const coff_section *Section,
StringRef SectionContents,
const void *RelocPtr, StringRef &Name);
void printImportedSymbols(iterator_range<imported_symbol_iterator> Range);
void printDelayImportedSymbols(
const DelayImportDirectoryEntryRef &I,
iterator_range<imported_symbol_iterator> Range);
typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy;
const llvm::object::COFFObjectFile *Obj;
bool RelocCached = false;
RelocMapTy RelocMap;
StringRef CVFileChecksumTable;
StringRef CVStringTable;
CVTypeDumper CVTD;
};
} // end namespace
namespace llvm {
std::error_code createCOFFDumper(const object::ObjectFile *Obj,
ScopedPrinter &Writer,
std::unique_ptr<ObjDumper> &Result) {
const COFFObjectFile *COFFObj = dyn_cast<COFFObjectFile>(Obj);
if (!COFFObj)
return readobj_error::unsupported_obj_file_format;
Result.reset(new COFFDumper(COFFObj, Writer));
return readobj_error::success;
}
} // namespace llvm
// Given a a section and an offset into this section the function returns the
// symbol used for the relocation at the offset.
std::error_code COFFDumper::resolveSymbol(const coff_section *Section,
uint64_t Offset, SymbolRef &Sym) {
cacheRelocations();
const auto &Relocations = RelocMap[Section];
for (const auto &Relocation : Relocations) {
uint64_t RelocationOffset = Relocation.getOffset();
if (RelocationOffset == Offset) {
Sym = *Relocation.getSymbol();
return readobj_error::success;
}
}
return readobj_error::unknown_symbol;
}
// Given a section and an offset into this section the function returns the name
// of the symbol used for the relocation at the offset.
std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
uint64_t Offset,
StringRef &Name) {
SymbolRef Symbol;
if (std::error_code EC = resolveSymbol(Section, Offset, Symbol))
return EC;
Expected<StringRef> NameOrErr = Symbol.getName();
if (!NameOrErr)
return errorToErrorCode(NameOrErr.takeError());
Name = *NameOrErr;
return std::error_code();
}
// Helper for when you have a pointer to real data and you want to know about
// relocations against it.
std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
StringRef SectionContents,
const void *RelocPtr,
StringRef &Name) {
assert(SectionContents.data() < RelocPtr &&
RelocPtr < SectionContents.data() + SectionContents.size() &&
"pointer to relocated object is not in section");
uint64_t Offset = ptrdiff_t(reinterpret_cast<const char *>(RelocPtr) -
SectionContents.data());
return resolveSymbolName(Section, Offset, Name);
}
void COFFDumper::printRelocatedField(StringRef Label, const coff_section *Sec,
StringRef SectionContents,
const ulittle32_t *Field,
StringRef *RelocSym) {
StringRef SymStorage;
StringRef &Symbol = RelocSym ? *RelocSym : SymStorage;
if (!resolveSymbolName(Sec, SectionContents, Field, Symbol))
W.printSymbolOffset(Label, Symbol, *Field);
else
W.printHex(Label, *Field);
}
void COFFDumper::printBinaryBlockWithRelocs(StringRef Label,
const SectionRef &Sec,
StringRef SectionContents,
StringRef Block) {
W.printBinaryBlock(Label, Block);
assert(SectionContents.begin() < Block.begin() &&
SectionContents.end() >= Block.end() &&
"Block is not contained in SectionContents");
uint64_t OffsetStart = Block.data() - SectionContents.data();
uint64_t OffsetEnd = OffsetStart + Block.size();
cacheRelocations();
ListScope D(W, "BlockRelocations");
const coff_section *Section = Obj->getCOFFSection(Sec);
const auto &Relocations = RelocMap[Section];
for (const auto &Relocation : Relocations) {
uint64_t RelocationOffset = Relocation.getOffset();
if (OffsetStart <= RelocationOffset && RelocationOffset < OffsetEnd)
printRelocation(Sec, Relocation, OffsetStart);
}
}
static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = {
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_UNKNOWN ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AM33 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AMD64 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARMNT ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_EBC ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_I386 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_IA64 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_M32R ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPS16 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU16),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPC ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPCFP),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_R4000 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3DSP ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH4 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH5 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_THUMB ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_WCEMIPSV2)
};
static const EnumEntry<COFF::Characteristics> ImageFileCharacteristics[] = {
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_RELOCS_STRIPPED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_EXECUTABLE_IMAGE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LINE_NUMS_STRIPPED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LOCAL_SYMS_STRIPPED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_AGGRESSIVE_WS_TRIM ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LARGE_ADDRESS_AWARE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_LO ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_32BIT_MACHINE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DEBUG_STRIPPED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_NET_RUN_FROM_SWAP ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_SYSTEM ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DLL ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_UP_SYSTEM_ONLY ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_HI )
};
static const EnumEntry<COFF::WindowsSubsystem> PEWindowsSubsystem[] = {
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_UNKNOWN ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_NATIVE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_GUI ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CUI ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_POSIX_CUI ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_APPLICATION ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_ROM ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_XBOX ),
};
static const EnumEntry<COFF::DLLCharacteristics> PEDLLCharacteristics[] = {
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_APPCONTAINER ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_GUARD_CF ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE),
};
static const EnumEntry<COFF::SectionCharacteristics>
ImageSectionCharacteristics[] = {
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NOLOAD ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_UNINITIALIZED_DATA),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_OTHER ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_INFO ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_REMOVE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_COMDAT ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_GPREL ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PURGEABLE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_16BIT ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_LOCKED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PRELOAD ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_16BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_32BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_64BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_128BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_256BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_512BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1024BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2048BYTES ),
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::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> CompileSym3FlagNames[] = {
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, EC),
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, NoDbgInfo),
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, LTCG),
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, NoDataAlign),
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, ManagedPresent),
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, SecurityChecks),
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, HotPatch),
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, CVTCIL),
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, MSILModule),
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, Sdl),
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, PGO),
LLVM_READOBJ_ENUM_CLASS_ENT(CompileSym3Flags, Exp),
};
static const EnumEntry<codeview::SourceLanguage> SourceLanguages[] = {
LLVM_READOBJ_ENUM_ENT(SourceLanguage, C),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, Cpp),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, Fortran),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, Masm),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, Pascal),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, Basic),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, Cobol),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, Link),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, Cvtres),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, Cvtpgd),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, CSharp),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, VB),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, ILAsm),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, Java),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, JScript),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, MSIL),
LLVM_READOBJ_ENUM_ENT(SourceLanguage, HLSL),
};
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<unsigned> CPUTypeNames[] = {
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Intel8080),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Intel8086),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Intel80286),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Intel80386),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Intel80486),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Pentium),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, PentiumPro),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Pentium3),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, MIPS),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, MIPS16),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, MIPS32),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, MIPS64),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, MIPSI),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, MIPSII),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, MIPSIII),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, MIPSIV),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, MIPSV),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, M68000),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, M68010),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, M68020),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, M68030),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, M68040),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Alpha),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Alpha21164),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Alpha21164A),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Alpha21264),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Alpha21364),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, PPC601),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, PPC603),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, PPC604),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, PPC620),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, PPCFP),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, PPCBE),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, SH3),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, SH3E),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, SH3DSP),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, SH4),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, SHMedia),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, ARM3),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, ARM4),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, ARM4T),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, ARM5),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, ARM5T),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, ARM6),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, ARM_XMAC),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, ARM_WMMX),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, ARM7),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Omni),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Ia64),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Ia64_2),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, CEE),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, AM33),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, M32R),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, TriCore),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, X64),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, EBC),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, Thumb),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, ARMNT),
LLVM_READOBJ_ENUM_CLASS_ENT(CPUType, D3D11_Shader),
};
static const EnumEntry<uint8_t> ProcSymFlagNames[] = {
LLVM_READOBJ_ENUM_CLASS_ENT(ProcSymFlags, HasFP),
LLVM_READOBJ_ENUM_CLASS_ENT(ProcSymFlags, HasIRET),
LLVM_READOBJ_ENUM_CLASS_ENT(ProcSymFlags, HasFRET),
LLVM_READOBJ_ENUM_CLASS_ENT(ProcSymFlags, IsNoReturn),
LLVM_READOBJ_ENUM_CLASS_ENT(ProcSymFlags, IsUnreachable),
LLVM_READOBJ_ENUM_CLASS_ENT(ProcSymFlags, HasCustomCallingConv),
LLVM_READOBJ_ENUM_CLASS_ENT(ProcSymFlags, IsNoInline),
LLVM_READOBJ_ENUM_CLASS_ENT(ProcSymFlags, HasOptimizedDebugInfo),
};
static const EnumEntry<uint32_t> FrameProcSymFlags[] = {
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, HasAlloca),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, HasSetJmp),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, HasLongJmp),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, HasInlineAssembly),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, HasExceptionHandling),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, MarkedInline),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions,
HasStructuredExceptionHandling),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, Naked),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, SecurityChecks),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions,
AsynchronousExceptionHandling),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions,
NoStackOrderingForSecurityChecks),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, Inlined),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, StrictSecurityChecks),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, SafeBuffers),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions,
ProfileGuidedOptimization),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, ValidProfileCounts),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, OptimizedForSpeed),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, GuardCfg),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameProcedureOptions, GuardCfw),
};
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<uint16_t> LocalFlags[] = {
LLVM_READOBJ_ENUM_CLASS_ENT(LocalSymFlags, IsParameter),
LLVM_READOBJ_ENUM_CLASS_ENT(LocalSymFlags, IsAddressTaken),
LLVM_READOBJ_ENUM_CLASS_ENT(LocalSymFlags, IsCompilerGenerated),
LLVM_READOBJ_ENUM_CLASS_ENT(LocalSymFlags, IsAggregate),
LLVM_READOBJ_ENUM_CLASS_ENT(LocalSymFlags, IsAggregated),
LLVM_READOBJ_ENUM_CLASS_ENT(LocalSymFlags, IsAliased),
LLVM_READOBJ_ENUM_CLASS_ENT(LocalSymFlags, IsAlias),
LLVM_READOBJ_ENUM_CLASS_ENT(LocalSymFlags, IsReturnValue),
LLVM_READOBJ_ENUM_CLASS_ENT(LocalSymFlags, IsOptimizedOut),
LLVM_READOBJ_ENUM_CLASS_ENT(LocalSymFlags, IsEnregisteredGlobal),
LLVM_READOBJ_ENUM_CLASS_ENT(LocalSymFlags, IsEnregisteredStatic),
};
static const EnumEntry<uint32_t> FrameCookieKinds[] = {
LLVM_READOBJ_ENUM_CLASS_ENT(FrameCookieKind, Copy),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameCookieKind, XorStackPointer),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameCookieKind, XorFramePointer),
LLVM_READOBJ_ENUM_CLASS_ENT(FrameCookieKind, XorR13),
};
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::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;
}
Data = Data.drop_front(alignTo(SubSectionSize, 4));
}
}
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);
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);
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.
const uint32_t *CodePtr;
error(consumeObject(Contents, 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 (!Contents.empty()) {
const FrameData *FD;
error(consumeObject(Contents, FD));
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",
CVStringTable.drop_front(FD->FrameFunc).split('\0').first);
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) {
if (Subsection.size() < sizeof(RecordPrefix))
return error(object_error::parse_failed);
const coff_section *Sec = Obj->getCOFFSection(Section);
// This holds the remaining data to parse.
StringRef Data = Subsection;
bool InFunctionScope = false;
while (!Data.empty()) {
const RecordPrefix *Rec;
error(consumeObject(Data, Rec));
StringRef SymData = Data.substr(0, Rec->RecordLen - 2);
StringRef OrigSymData = SymData;
Data = Data.drop_front(Rec->RecordLen - 2);
SymbolKind Kind = static_cast<SymbolKind>(uint16_t(Rec->RecordKind));
switch (Kind) {
case S_LPROC32:
case S_GPROC32:
case S_GPROC32_ID:
case S_LPROC32_ID:
case S_LPROC32_DPC:
case S_LPROC32_DPC_ID: {
DictScope S(W, "ProcStart");
const ProcSym *Proc;
error(consumeObject(SymData, Proc));
if (InFunctionScope)
return error(object_error::parse_failed);
InFunctionScope = true;
StringRef LinkageName;
StringRef DisplayName = SymData.split('\0').first;
W.printHex("PtrParent", Proc->PtrParent);
W.printHex("PtrEnd", Proc->PtrEnd);
W.printHex("PtrNext", Proc->PtrNext);
W.printHex("CodeSize", Proc->CodeSize);
W.printHex("DbgStart", Proc->DbgStart);
W.printHex("DbgEnd", Proc->DbgEnd);
printTypeIndex("FunctionType", Proc->FunctionType);
printRelocatedField("CodeOffset", Sec, SectionContents, &Proc->CodeOffset,
&LinkageName);
W.printHex("Segment", Proc->Segment);
W.printFlags("Flags", Proc->Flags, makeArrayRef(ProcSymFlagNames));
W.printString("DisplayName", DisplayName);
W.printString("LinkageName", LinkageName);
break;
}
case S_PROC_ID_END: {
W.startLine() << "ProcEnd\n";
InFunctionScope = false;
break;
}
case S_BLOCK32: {
DictScope S(W, "BlockStart");
const BlockSym *Block;
error(consumeObject(SymData, Block));
StringRef BlockName = SymData.split('\0').first;
StringRef LinkageName;
W.printHex("PtrParent", Block->PtrParent);
W.printHex("PtrEnd", Block->PtrEnd);
W.printHex("CodeSize", Block->CodeSize);
printRelocatedField("CodeOffset", Sec, SectionContents,
&Block->CodeOffset, &LinkageName);
W.printHex("Segment", Block->Segment);
W.printString("BlockName", BlockName);
W.printString("LinkageName", LinkageName);
break;
}
case S_END: {
W.startLine() << "BlockEnd\n";
InFunctionScope = false;
break;
}
case S_LABEL32: {
DictScope S(W, "Label");
const LabelSym *Label;
error(consumeObject(SymData, Label));
StringRef DisplayName = SymData.split('\0').first;
StringRef LinkageName;
printRelocatedField("CodeOffset", Sec, SectionContents,
&Label->CodeOffset, &LinkageName);
W.printHex("Segment", Label->Segment);
W.printHex("Flags", Label->Flags);
W.printFlags("Flags", Label->Flags, makeArrayRef(ProcSymFlagNames));
W.printString("DisplayName", DisplayName);
W.printString("LinkageName", LinkageName);
break;
}
case S_INLINESITE: {
DictScope S(W, "InlineSite");
const InlineSiteSym *InlineSite;
error(consumeObject(SymData, InlineSite));
W.printHex("PtrParent", InlineSite->PtrParent);
W.printHex("PtrEnd", InlineSite->PtrEnd);
printTypeIndex("Inlinee", InlineSite->Inlinee);
auto GetCompressedAnnotation = [&]() -> uint32_t {
if (SymData.empty())
return -1;
uint8_t FirstByte = SymData.front();
SymData = SymData.drop_front();
if ((FirstByte & 0x80) == 0x00)
return FirstByte;
if (SymData.empty())
return -1;
uint8_t SecondByte = SymData.front();
SymData = SymData.drop_front();
if ((FirstByte & 0xC0) == 0x80)
return ((FirstByte & 0x3F) << 8) | SecondByte;
if (SymData.empty())
return -1;
uint8_t ThirdByte = SymData.front();
SymData = SymData.drop_front();
if (SymData.empty())
return -1;
uint8_t FourthByte = SymData.front();
SymData = SymData.drop_front();
if ((FirstByte & 0xE0) == 0xC0)
return ((FirstByte & 0x1F) << 24) | (SecondByte << 16) |
(ThirdByte << 8) | FourthByte;
return -1;
};
auto DecodeSignedOperand = [](uint32_t Operand) -> int32_t {
if (Operand & 1)
return -(Operand >> 1);
return Operand >> 1;
};
ListScope BinaryAnnotations(W, "BinaryAnnotations");
while (!SymData.empty()) {
auto OpCode =
static_cast<BinaryAnnotationsOpCode>(GetCompressedAnnotation());
switch (OpCode) {
case BinaryAnnotationsOpCode::Invalid:
return error(object_error::parse_failed);
case BinaryAnnotationsOpCode::CodeOffset:
W.printHex("CodeOffset", GetCompressedAnnotation());
break;
case BinaryAnnotationsOpCode::ChangeCodeOffsetBase:
W.printNumber("ChangeCodeOffsetBase", GetCompressedAnnotation());
break;
case BinaryAnnotationsOpCode::ChangeCodeOffset:
W.printHex("ChangeCodeOffset", GetCompressedAnnotation());
break;
case BinaryAnnotationsOpCode::ChangeCodeLength:
W.printHex("ChangeCodeLength", GetCompressedAnnotation());
break;
case BinaryAnnotationsOpCode::ChangeFile:
printFileNameForOffset("ChangeFile", GetCompressedAnnotation());
break;
case BinaryAnnotationsOpCode::ChangeLineOffset:
W.printNumber("ChangeLineOffset",
DecodeSignedOperand(GetCompressedAnnotation()));
break;
case BinaryAnnotationsOpCode::ChangeLineEndDelta:
W.printNumber("ChangeLineEndDelta", GetCompressedAnnotation());
break;
case BinaryAnnotationsOpCode::ChangeRangeKind:
W.printNumber("ChangeRangeKind", GetCompressedAnnotation());
break;
case BinaryAnnotationsOpCode::ChangeColumnStart:
W.printNumber("ChangeColumnStart", GetCompressedAnnotation());
break;
case BinaryAnnotationsOpCode::ChangeColumnEndDelta:
W.printNumber("ChangeColumnEndDelta",
DecodeSignedOperand(GetCompressedAnnotation()));
break;
case BinaryAnnotationsOpCode::ChangeCodeOffsetAndLineOffset: {
uint32_t Annotation = GetCompressedAnnotation();
int32_t LineOffset = DecodeSignedOperand(Annotation >> 4);
uint32_t CodeOffset = Annotation & 0xf;
W.startLine() << "ChangeCodeOffsetAndLineOffset: {CodeOffset: "
<< W.hex(CodeOffset) << ", LineOffset: " << LineOffset
<< "}\n";
break;
}
case BinaryAnnotationsOpCode::ChangeCodeLengthAndCodeOffset: {
uint32_t Length = GetCompressedAnnotation();
uint32_t CodeOffset = GetCompressedAnnotation();
W.startLine() << "ChangeCodeLengthAndCodeOffset: {CodeOffset: "
<< W.hex(CodeOffset) << ", Length: " << W.hex(Length)
<< "}\n";
break;
}
case BinaryAnnotationsOpCode::ChangeColumnEnd:
W.printNumber("ChangeColumnEnd", GetCompressedAnnotation());
break;
}
}
break;
}
case S_INLINESITE_END: {
DictScope S(W, "InlineSiteEnd");
break;
}
case S_CALLERS:
case S_CALLEES: {
ListScope S(W, Kind == S_CALLEES ? "Callees" : "Callers");
uint32_t Count;
error(consume(SymData, Count));
for (uint32_t I = 0; I < Count; ++I) {
const TypeIndex *FuncID;
error(consumeObject(SymData, FuncID));
printTypeIndex("FuncID", *FuncID);
}
break;
}
case S_LOCAL: {
DictScope S(W, "Local");
const LocalSym *Local;
error(consumeObject(SymData, Local));
printTypeIndex("Type", Local->Type);
W.printFlags("Flags", uint16_t(Local->Flags), makeArrayRef(LocalFlags));
StringRef VarName = SymData.split('\0').first;
W.printString("VarName", VarName);
break;
}
case S_DEFRANGE: {
DictScope S(W, "DefRange");
const DefRangeSym *DefRange;
error(consumeObject(SymData, DefRange));
W.printString(
"Program",
CVStringTable.drop_front(DefRange->Program).split('\0').first);
printLocalVariableAddrRange(DefRange->Range, Sec, SectionContents);
printLocalVariableAddrGap(SymData);
break;
}
case S_DEFRANGE_SUBFIELD: {
DictScope S(W, "DefRangeSubfield");
const DefRangeSubfieldSym *DefRangeSubfield;
error(consumeObject(SymData, DefRangeSubfield));
W.printString("Program",
CVStringTable.drop_front(DefRangeSubfield->Program)
.split('\0')
.first);
W.printNumber("OffsetInParent", DefRangeSubfield->OffsetInParent);
printLocalVariableAddrRange(DefRangeSubfield->Range, Sec,
SectionContents);
printLocalVariableAddrGap(SymData);
break;
}
case S_DEFRANGE_REGISTER: {
DictScope S(W, "DefRangeRegister");
const DefRangeRegisterSym *DefRangeRegister;
error(consumeObject(SymData, DefRangeRegister));
W.printNumber("Register", DefRangeRegister->Register);
W.printNumber("MayHaveNoName", DefRangeRegister->MayHaveNoName);
printLocalVariableAddrRange(DefRangeRegister->Range, Sec,
SectionContents);
printLocalVariableAddrGap(SymData);
break;
}
case S_DEFRANGE_SUBFIELD_REGISTER: {
DictScope S(W, "DefRangeSubfieldRegister");
const DefRangeSubfieldRegisterSym *DefRangeSubfieldRegisterSym;
error(consumeObject(SymData, DefRangeSubfieldRegisterSym));
W.printNumber("Register", DefRangeSubfieldRegisterSym->Register);
W.printNumber("MayHaveNoName",
DefRangeSubfieldRegisterSym->MayHaveNoName);
W.printNumber("OffsetInParent",
DefRangeSubfieldRegisterSym->OffsetInParent);
printLocalVariableAddrRange(DefRangeSubfieldRegisterSym->Range, Sec,
SectionContents);
printLocalVariableAddrGap(SymData);
break;
}
case S_DEFRANGE_FRAMEPOINTER_REL: {
DictScope S(W, "DefRangeFramePointerRel");
const DefRangeFramePointerRelSym *DefRangeFramePointerRel;
error(consumeObject(SymData, DefRangeFramePointerRel));
W.printNumber("Offset", DefRangeFramePointerRel->Offset);
printLocalVariableAddrRange(DefRangeFramePointerRel->Range, Sec,
SectionContents);
printLocalVariableAddrGap(SymData);
break;
}
case S_DEFRANGE_FRAMEPOINTER_REL_FULL_SCOPE: {
DictScope S(W, "DefRangeFramePointerRelFullScope");
const DefRangeFramePointerRelFullScopeSym
*DefRangeFramePointerRelFullScope;
error(consumeObject(SymData, DefRangeFramePointerRelFullScope));
W.printNumber("Offset", DefRangeFramePointerRelFullScope->Offset);
break;
}
case S_DEFRANGE_REGISTER_REL: {
DictScope S(W, "DefRangeRegisterRel");
const DefRangeRegisterRelSym *DefRangeRegisterRel;
error(consumeObject(SymData, DefRangeRegisterRel));
W.printNumber("BaseRegister", DefRangeRegisterRel->BaseRegister);
W.printBoolean("HasSpilledUDTMember",
DefRangeRegisterRel->hasSpilledUDTMember());
W.printNumber("OffsetInParent", DefRangeRegisterRel->offsetInParent());
W.printNumber("BasePointerOffset",
DefRangeRegisterRel->BasePointerOffset);
printLocalVariableAddrRange(DefRangeRegisterRel->Range, Sec,
SectionContents);
printLocalVariableAddrGap(SymData);
break;
}
case S_CALLSITEINFO: {
DictScope S(W, "CallSiteInfo");
const CallSiteInfoSym *CallSiteInfo;
error(consumeObject(SymData, CallSiteInfo));
StringRef LinkageName;
printRelocatedField("CodeOffset", Sec, SectionContents,
&CallSiteInfo->CodeOffset, &LinkageName);
W.printHex("Segment", CallSiteInfo->Segment);
W.printHex("Reserved", CallSiteInfo->Reserved);
printTypeIndex("Type", CallSiteInfo->Type);
W.printString("LinkageName", LinkageName);
break;
}
case S_HEAPALLOCSITE: {
DictScope S(W, "HeapAllocationSite");
const HeapAllocationSiteSym *HeapAllocationSite;
error(consumeObject(SymData, HeapAllocationSite));
StringRef LinkageName;
printRelocatedField("CodeOffset", Sec, SectionContents,
&HeapAllocationSite->CodeOffset, &LinkageName);
W.printHex("Segment", HeapAllocationSite->Segment);
W.printHex("CallInstructionSize",
HeapAllocationSite->CallInstructionSize);
printTypeIndex("Type", HeapAllocationSite->Type);
W.printString("LinkageName", LinkageName);
break;
}
case S_FRAMECOOKIE: {
DictScope S(W, "FrameCookie");
const FrameCookieSym *FrameCookie;
error(consumeObject(SymData, FrameCookie));
StringRef LinkageName;
printRelocatedField("CodeOffset", Sec, SectionContents,
&FrameCookie->CodeOffset, &LinkageName);
W.printHex("Register", FrameCookie->Register);
W.printEnum("CookieKind", uint16_t(FrameCookie->CookieKind),
makeArrayRef(FrameCookieKinds));
break;
}
case S_LDATA32:
case S_GDATA32:
case S_LMANDATA:
case S_GMANDATA: {
DictScope S(W, "DataSym");
const DataSym *Data;
error(consumeObject(SymData, Data));
StringRef DisplayName = SymData.split('\0').first;
StringRef LinkageName;
printRelocatedField("DataOffset", Sec, SectionContents, &Data->DataOffset,
&LinkageName);
printTypeIndex("Type", Data->Type);
W.printString("DisplayName", DisplayName);
W.printString("LinkageName", LinkageName);
break;
}
case S_LTHREAD32:
case S_GTHREAD32: {
DictScope S(W, "ThreadLocalDataSym");
const ThreadLocalDataSym *Data;
error(consumeObject(SymData, Data));
StringRef DisplayName = SymData.split('\0').first;
StringRef LinkageName;
printRelocatedField("DataOffset", Sec, SectionContents, &Data->DataOffset,
&LinkageName);
printTypeIndex("Type", Data->Type);
W.printString("DisplayName", DisplayName);
W.printString("LinkageName", LinkageName);
break;
}
case S_OBJNAME: {
DictScope S(W, "ObjectName");
const ObjNameSym *ObjName;
error(consumeObject(SymData, ObjName));
W.printHex("Signature", ObjName->Signature);
StringRef ObjectName = SymData.split('\0').first;
W.printString("ObjectName", ObjectName);
break;
}
case S_COMPILE3: {
DictScope S(W, "CompilerFlags");
const CompileSym3 *CompFlags;
error(consumeObject(SymData, CompFlags));
W.printEnum("Language", CompFlags->getLanguage(),
makeArrayRef(SourceLanguages));
W.printFlags("Flags", CompFlags->flags & ~0xff,
makeArrayRef(CompileSym3FlagNames));
W.printEnum("Machine", unsigned(CompFlags->Machine),
makeArrayRef(CPUTypeNames));
std::string FrontendVersion;
{
raw_string_ostream Out(FrontendVersion);
Out << CompFlags->VersionFrontendMajor << '.'
<< CompFlags->VersionFrontendMinor << '.'
<< CompFlags->VersionFrontendBuild << '.'
<< CompFlags->VersionFrontendQFE;
}
std::string BackendVersion;
{
raw_string_ostream Out(BackendVersion);
Out << CompFlags->VersionBackendMajor << '.'
<< CompFlags->VersionBackendMinor << '.'
<< CompFlags->VersionBackendBuild << '.'
<< CompFlags->VersionBackendQFE;
}
W.printString("FrontendVersion", FrontendVersion);
W.printString("BackendVersion", BackendVersion);
StringRef VersionName = SymData.split('\0').first;
W.printString("VersionName", VersionName);
break;
}
case S_FRAMEPROC: {
DictScope S(W, "FrameProc");
const FrameProcSym *FrameProc;
error(consumeObject(SymData, FrameProc));
W.printHex("TotalFrameBytes", FrameProc->TotalFrameBytes);
W.printHex("PaddingFrameBytes", FrameProc->PaddingFrameBytes);
W.printHex("OffsetToPadding", FrameProc->OffsetToPadding);
W.printHex("BytesOfCalleeSavedRegisters", FrameProc->BytesOfCalleeSavedRegisters);
W.printHex("OffsetOfExceptionHandler", FrameProc->OffsetOfExceptionHandler);
W.printHex("SectionIdOfExceptionHandler", FrameProc->SectionIdOfExceptionHandler);
W.printFlags("Flags", FrameProc->Flags, makeArrayRef(FrameProcSymFlags));
break;
}
case S_UDT:
case S_COBOLUDT: {
DictScope S(W, "UDT");
const UDTSym *UDT;
error(consumeObject(SymData, UDT));
printTypeIndex("Type", UDT->Type);
StringRef UDTName = SymData.split('\0').first;
W.printString("UDTName", UDTName);
break;
}
case S_BPREL32: {
DictScope S(W, "BPRelativeSym");
const BPRelativeSym *BPRel;
error(consumeObject(SymData, BPRel));
W.printNumber("Offset", BPRel->Offset);
printTypeIndex("Type", BPRel->Type);
StringRef VarName = SymData.split('\0').first;
W.printString("VarName", VarName);
break;
}
case S_REGREL32: {
DictScope S(W, "RegRelativeSym");
const RegRelativeSym *RegRel;
error(consumeObject(SymData, RegRel));
W.printHex("Offset", RegRel->Offset);
printTypeIndex("Type", RegRel->Type);
W.printHex("Register", RegRel->Register);
StringRef VarName = SymData.split('\0').first;
W.printString("VarName", VarName);
break;
}
case S_BUILDINFO: {
DictScope S(W, "BuildInfo");
const BuildInfoSym *BuildInfo;
error(consumeObject(SymData, BuildInfo));
W.printNumber("BuildId", BuildInfo->BuildId);
break;
}
case S_CONSTANT:
case S_MANCONSTANT: {
DictScope S(W, "Constant");
const ConstantSym *Constant;
error(consumeObject(SymData, Constant));
printTypeIndex("Type", Constant->Type);
APSInt Value;
if (consume(SymData, Value))
error(object_error::parse_failed);
W.printNumber("Value", Value);
StringRef Name = SymData.split('\0').first;
W.printString("Name", Name);
break;
}
default: {
DictScope S(W, "UnknownSym");
W.printHex("Kind", unsigned(Kind));
W.printHex("Size", Rec->RecordLen);
break;
}
}
if (opts::CodeViewSubsectionBytes)
printBinaryBlockWithRelocs("SymData", Section, SectionContents,
OrigSymData);
W.flush();
}
W.flush();
}
void COFFDumper::printCodeViewFileChecksums(StringRef Subsection) {
StringRef Data = Subsection;
while (!Data.empty()) {
DictScope S(W, "FileChecksum");
const FileChecksum *FC;
error(consumeObject(Data, 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 >= Data.size())
error(object_error::parse_failed);
StringRef ChecksumBytes = Data.substr(0, FC->ChecksumSize);
W.printBinary("ChecksumBytes", ChecksumBytes);
unsigned PaddedSize = alignTo(FC->ChecksumSize + sizeof(FileChecksum), 4) -
sizeof(FileChecksum);
Data = Data.drop_front(PaddedSize);
}
}
void COFFDumper::printCodeViewInlineeLines(StringRef Subsection) {
StringRef Data = Subsection;
uint32_t Signature;
error(consume(Data, Signature));
bool HasExtraFiles = Signature == unsigned(InlineeLinesSignature::ExtraFiles);
while (!Data.empty()) {
const InlineeSourceLine *ISL;
error(consumeObject(Data, ISL));
DictScope S(W, "InlineeSourceLine");
printTypeIndex("Inlinee", ISL->Inlinee);
printFileNameForOffset("FileID", ISL->FileID);
W.printNumber("SourceLineNum", ISL->SourceLineNum);
if (HasExtraFiles) {
uint32_t ExtraFileCount;
error(consume(Data, ExtraFileCount));
W.printNumber("ExtraFileCount", ExtraFileCount);
ListScope ExtraFiles(W, "ExtraFiles");
for (unsigned I = 0; I < ExtraFileCount; ++I) {
uint32_t FileID;
error(consume(Data, FileID));
printFileNameForOffset("FileID", FileID);
}
}
}
}
void COFFDumper::printLocalVariableAddrRange(
const LocalVariableAddrRange &Range, const coff_section *Sec,
StringRef SectionContents) {
DictScope S(W, "LocalVariableAddrRange");
printRelocatedField("OffsetStart", Sec, SectionContents, &Range.OffsetStart);
W.printHex("ISectStart", Range.ISectStart);
W.printHex("Range", Range.Range);
}
void COFFDumper::printLocalVariableAddrGap(StringRef &SymData) {
while (!SymData.empty()) {
const LocalVariableAddrGap *Gap;
error(consumeObject(SymData, Gap));
ListScope S(W, "LocalVariableAddrGap");
W.printHex("GapStartOffset", Gap->GapStartOffset);
W.printHex("Range", Gap->Range);
}
}
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(MemoryTypeTableBuilder &CVTypes) {
for (const SectionRef &S : Obj->sections()) {
StringRef SectionName;
error(S.getName(SectionName));
if (SectionName == ".debug$T") {
StringRef Data;
error(S.getContents(Data));
unsigned Magic = *reinterpret_cast<const ulittle32_t *>(Data.data());
if (Magic != 4)
error(object_error::parse_failed);
Data = Data.drop_front(4);
ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(Data.data()),
Data.size());
if (!mergeTypeStreams(CVTypes, Bytes))
return error(object_error::parse_failed);
}
}
}
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);
ArrayRef<uint8_t> BinaryData(reinterpret_cast<const uint8_t *>(Data.data()),
Data.size());
if (!CVTD.dump(BinaryData)) {
W.flush();
error(object_error::parse_failed);
}
}
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 Addr;
error(I.getImportLookupTableRVA(Addr));
W.printHex("ImportLookupTableRVA", Addr);
error(I.getImportAddressTableRVA(Addr));
W.printHex("ImportAddressTableRVA", Addr);
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(),
StackMapV1Parser<support::little>(StackMapContentsArray));
else
prettyPrintStackMap(llvm::outs(),
StackMapV1Parser<support::big>(StackMapContentsArray));
}
void llvm::dumpCodeViewMergedTypes(
ScopedPrinter &Writer, llvm::codeview::MemoryTypeTableBuilder &CVTypes) {
// Flatten it first, then run our dumper on it.
ListScope S(Writer, "MergedTypeStream");
SmallString<0> Buf;
CVTypes.ForEachRecord([&](TypeIndex TI, MemoryTypeTableBuilder::Record *R) {
// The record data doesn't include the 16 bit size.
Buf.push_back(R->size() & 0xff);
Buf.push_back((R->size() >> 8) & 0xff);
Buf.append(R->data(), R->data() + R->size());
});
CVTypeDumper CVTD(Writer, opts::CodeViewSubsectionBytes);
ArrayRef<uint8_t> BinaryData(reinterpret_cast<const uint8_t *>(Buf.data()),
Buf.size());
if (!CVTD.dump(BinaryData)) {
Writer.flush();
error(object_error::parse_failed);
}
}
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