#include "CodeViewDebug.h"
#include "DwarfExpression.h"
#include "llvm/ADT/APSInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/None.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/TinyPtrVector.h"
#include "llvm/ADT/Triple.h"
#include "llvm/ADT/Twine.h"
#include "llvm/BinaryFormat/COFF.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/LexicalScopes.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/ContinuationRecordBuilder.h"
#include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h"
#include "llvm/DebugInfo/CodeView/EnumTables.h"
#include "llvm/DebugInfo/CodeView/Line.h"
#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
#include "llvm/DebugInfo/CodeView/TypeDumpVisitor.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/DebugInfo/CodeView/TypeRecord.h"
#include "llvm/DebugInfo/CodeView/TypeTableCollection.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCSectionCOFF.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/BinaryByteStream.h"
#include "llvm/Support/BinaryStreamReader.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/SMLoc.h"
#include "llvm/Support/ScopedPrinter.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetMachine.h"
#include <algorithm>
#include <cassert>
#include <cctype>
#include <cstddef>
#include <cstdint>
#include <iterator>
#include <limits>
#include <string>
#include <utility>
#include <vector>

Classes
struct	llvm::CodeViewDebug::TypeLoweringScope

struct	llvm::ClassInfo

struct	llvm::ClassInfo::MemberInfo

Functions
static CPUType	mapArchToCVCPUType (Triple::ArchType Type)

static StringRef	getPrettyScopeName (const DIScope *Scope)

static const DISubprogram *	getQualifiedNameComponents (const DIScope *Scope, SmallVectorImpl< StringRef > &QualifiedNameComponents)

static std::string	getQualifiedName (ArrayRef< StringRef > QualifiedNameComponents, StringRef TypeName)

static std::string	getFullyQualifiedName (const DIScope *Scope, StringRef Name)

static std::string	getFullyQualifiedName (const DIScope *Ty)

static bool	isTrivial (const DICompositeType *DCTy)

static FunctionOptions	getFunctionOptions (const DISubroutineType Ty, const DICompositeType ClassTy=nullptr, StringRef SPName=StringRef(""))

static void	addLocIfNotPresent (SmallVectorImpl< const DILocation > &Locs, const DILocation Loc)

static void	emitNullTerminatedSymbolName (MCStreamer &OS, StringRef S, unsigned MaxFixedRecordLength=0xF00)

static SourceLanguage	MapDWLangToCVLang (unsigned DWLang)

static Version	parseVersion (StringRef Name)

static TypeIndex	getStringIdTypeIdx (GlobalTypeTableBuilder &TypeTable, StringRef S)

static bool	canUseReferenceType (const DbgVariableLocation &Loc)

static bool	needsReferenceType (const DbgVariableLocation &Loc)

static bool	shouldEmitUdt (const DIType *T)

static PointerToMemberRepresentation	translatePtrToMemberRep (unsigned SizeInBytes, bool IsPMF, unsigned Flags)

static CallingConvention	dwarfCCToCodeView (unsigned DwarfCC)
	Given a DWARF calling convention, get the CodeView equivalent. More...

static MemberAccess	translateAccessFlags (unsigned RecordTag, unsigned Flags)

static MethodOptions	translateMethodOptionFlags (const DISubprogram *SP)

static MethodKind	translateMethodKindFlags (const DISubprogram *SP, bool Introduced)

static TypeRecordKind	getRecordKind (const DICompositeType *Ty)

static ClassOptions	getCommonClassOptions (const DICompositeType *Ty)
	Return ClassOptions that should be present on both the forward declaration and the defintion of a tag type. More...

static bool	shouldAlwaysEmitCompleteClassType (const DICompositeType *Ty)

template<typename T >
static void	copyBytesForDefRange (SmallString< 20 > &BytePrefix, SymbolKind SymKind, const T &DefRangeHeader)
	Only call this on endian-specific types like ulittle16_t and little32_t, or structs composed of them. More...

static StringRef	getSymbolName (SymbolKind SymKind)

Function Documentation

◆ addLocIfNotPresent()

static void addLocIfNotPresent	(	SmallVectorImpl< const DILocation *> &	Locs,
		const DILocation *	Loc
	)

static

Definition at line 449 of file CodeViewDebug.cpp.

References B, llvm::SmallVectorTemplateCommon< T >::begin(), llvm::COFF::DEBUG_SECTION_MAGIC, E, llvm::SmallVectorTemplateCommon< T >::end(), llvm::find(), FuncId, llvm::DebugLoc::get(), llvm::DebugLoc::getCol(), llvm::DebugLoc::getLine(), llvm::DebugHandlerBase::PrevInstLoc, and llvm::SmallVectorTemplateBase< T >::push_back().

◆ canUseReferenceType()

static bool canUseReferenceType ( const DbgVariableLocation & Loc )

static

Definition at line 1147 of file CodeViewDebug.cpp.

References llvm::SmallVectorTemplateCommon< T, typename >::back(), llvm::SmallVectorBase::empty(), and llvm::DbgVariableLocation::LoadChain.

Referenced by needsReferenceType().

◆ copyBytesForDefRange()

template<typename T >

static void copyBytesForDefRange	(	SmallString< 20 > &	BytePrefix,
		SymbolKind	SymKind,
		const T &	DefRangeHeader
	)

static

Only call this on endian-specific types like ulittle16_t and little32_t, or structs composed of them.

Definition at line 2552 of file CodeViewDebug.cpp.

◆ dwarfCCToCodeView()

static CallingConvention dwarfCCToCodeView ( unsigned DwarfCC )

static

Given a DWARF calling convention, get the CodeView equivalent.

If we don't have a translation, use the NearC convention.

Definition at line 1729 of file CodeViewDebug.cpp.

References llvm::DebugHandlerBase::Asm, llvm::SmallVectorTemplateCommon< T >::back(), llvm::ArrayRef< T >::drop_front(), llvm::SmallVectorBase::empty(), getBaseType(), llvm::DISubroutineType::getCC(), llvm::MCAsmInfo::getCodePointerSize(), getFunctionOptions(), llvm::DIType::getSizeInBits(), llvm::DINode::getTag(), llvm::DISubroutineType::getTypeArray(), llvm::AsmPrinter::MAI, llvm::makeArrayRef(), llvm::None, llvm::SmallVectorTemplateBase< T >::push_back(), llvm::SmallVectorBase::size(), llvm::DITypeRefArray::size(), and llvm::ArrayRef< T >::size().

◆ emitNullTerminatedSymbolName()

static void emitNullTerminatedSymbolName	(	MCStreamer &	OS,
		StringRef	S,
		unsigned	MaxFixedRecordLength = `0xF00`
	)

static

Definition at line 585 of file CodeViewDebug.cpp.

References llvm::DebugHandlerBase::Asm, assert(), B, llvm::COFF::DEBUG_HASHES_SECTION_MAGIC, llvm::StringRef::drop_front(), E, llvm::MCStreamer::EmitBytes(), llvm::errs(), llvm::formatv(), llvm::MCObjectFileInfo::getCOFFDebugTypesSection(), llvm::MCObjectFileInfo::getCOFFGlobalTypeHashesSection(), llvm::MCAsmInfo::getCommentString(), llvm::codeview::TypeIndex::getIndex(), llvm::AsmPrinter::getObjFileLowering(), llvm::Record::getType(), llvm_unreachable, llvm::logAllUnhandledErrors(), llvm::AsmPrinter::MAI, llvm::codeview::MaxRecordLength, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::ScopedPrinter::setPrefix(), llvm::SmallVectorBase::size(), llvm::raw_svector_ostream::str(), llvm::codeview::CVRecord< Kind >::str_data(), llvm::StringRef::take_front(), and llvm::codeview::visitTypeRecord().

Referenced by copyBytesForDefRange(), and getSymbolName().

◆ getCommonClassOptions()

static ClassOptions getCommonClassOptions ( const DICompositeType * Ty )

static

Return ClassOptions that should be present on both the forward declaration and the defintion of a tag type.

Definition at line 1936 of file CodeViewDebug.cpp.

References llvm::codeview::ContinuationRecordBuilder::begin(), llvm::StringRef::empty(), llvm::Enumerator, llvm::DICompositeType::getBaseType(), llvm::DICompositeType::getElements(), llvm::DIScope::getFile(), getFullyQualifiedName(), llvm::DICompositeType::getIdentifier(), llvm::DIType::getLine(), llvm::DIScope::getScope(), llvm::DIType::getScope(), llvm::DINode::getTag(), llvm::APSInt::getUnsigned(), llvm::DIType::isForwardDecl(), llvm::None, llvm::TypedDINodeRef< T >::resolve(), and llvm::codeview::ContinuationRecordBuilder::writeMemberType().

Referenced by shouldAlwaysEmitCompleteClassType().

◆ getFullyQualifiedName() [1/2]

static std::string getFullyQualifiedName	(	const DIScope *	Scope,
		StringRef	Name
	)

static

Definition at line 293 of file CodeViewDebug.cpp.

References getQualifiedName(), and getQualifiedNameComponents().

Referenced by getCommonClassOptions(), getFullyQualifiedName(), and shouldAlwaysEmitCompleteClassType().

◆ getFullyQualifiedName() [2/2]

static std::string getFullyQualifiedName ( const DIScope * Ty )

static

Definition at line 311 of file CodeViewDebug.cpp.

References assert(), FuncId, getFullyQualifiedName(), llvm::DIScope::getName(), getPrettyScopeName(), llvm::DIScope::getScope(), I, llvm::TypedDINodeRef< T >::resolve(), and llvm::StringRef::split().

◆ getFunctionOptions()

static FunctionOptions getFunctionOptions	(	const DISubroutineType *	Ty,
		const DICompositeType *	ClassTy = `nullptr`,
		StringRef	SPName = `StringRef("")`
	)