#include "CodeViewDebug.h"
#include "llvm/ADT/APSInt.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallBitVector.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/TinyPtrVector.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/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetLowering.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/CodeViewRecordIO.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/TypeRecord.h"
#include "llvm/DebugInfo/CodeView/TypeTableCollection.h"
#include "llvm/DebugInfo/CodeView/TypeVisitorCallbackPipeline.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfoMetadata.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/BinaryStreamWriter.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
#include "llvm/Support/SMLoc.h"
#include "llvm/Support/ScopedPrinter.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/TargetParser/Triple.h"
#include <algorithm>
#include <cassert>
#include <cctype>
#include <cstddef>
#include <iterator>
#include <limits>

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

static StringRef	removeTemplateArgs (StringRef Name)

static bool	isNonTrivial (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 SourceLanguage	MapDWLangToCVLang (unsigned DWLang)

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

static Version	parseVersion (StringRef Name)

static TypeIndex	getStringIdTypeIdx (GlobalTypeTableBuilder &TypeTable, StringRef S)

static std::string	flattenCommandLine (ArrayRef< std::string > Args, StringRef MainFilename)

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.

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.

static bool	shouldAlwaysEmitCompleteClassType (const DICompositeType *Ty)

static bool	isUsableDebugLoc (DebugLoc DL)

static StringRef	getSymbolName (SymbolKind SymKind)

static bool	isFloatDIType (const DIType *Ty)

void	forEachJumpTableBranch (const MachineFunction *MF, bool isThumb, const std::function< void(const MachineJumpTableInfo &, const MachineInstr &, int64_t)> &Callback)

Function Documentation

◆ addLocIfNotPresent()

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

static

Definition at line 502 of file CodeViewDebug.cpp.

References llvm::is_contained(), and llvm::SmallVectorTemplateBase< T, bool >::push_back().

◆ canUseReferenceType()

static bool canUseReferenceType ( const DbgVariableLocation & Loc )

static

Definition at line 1338 of file CodeViewDebug.cpp.

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

◆ 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 1998 of file CodeViewDebug.cpp.

◆ emitNullTerminatedSymbolName()

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

static

Definition at line 710 of file CodeViewDebug.cpp.

References llvm::codeview::MaxRecordLength, OS, llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::StringRef::take_front().

◆ flattenCommandLine()

static std::string flattenCommandLine	(	ArrayRef< std::string >	Args,
		StringRef	MainFilename
	)

static

Definition at line 896 of file CodeViewDebug.cpp.

References contains(), llvm::StringRef::empty(), llvm::raw_ostream::flush(), OS, llvm::sys::printArg(), and llvm::StringRef::starts_with().

◆ forEachJumpTableBranch()

void forEachJumpTableBranch	(	const MachineFunction *	MF,
		bool	isThumb,
		const std::function< void(const MachineJumpTableInfo &, const MachineInstr &, int64_t)> &	Callback
	)

Definition at line 3468 of file CodeViewDebug.cpp.

References assert(), llvm::MachineBasicBlock::end(), llvm::MachineBasicBlock::getFirstTerminator(), llvm::MachineFunction::getJumpTableInfo(), I, llvm::MachineBasicBlock::instr_rbegin(), llvm::MachineBasicBlock::instr_rend(), isThumb(), and MBB.

◆ formatNestedName()

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

static

Definition at line 299 of file CodeViewDebug.cpp.

References llvm::reverse().

◆ 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 2208 of file CodeViewDebug.cpp.

References llvm::StringRef::empty(), llvm::DICompositeType::getIdentifier(), llvm::DIType::getScope(), and llvm::DINode::getTag().

◆ getFunctionOptions()

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