Collects and handles line tables information in a CodeView format. More...

#include "CodeGen/AsmPrinter/CodeViewDebug.h"

Inheritance diagram for llvm::CodeViewDebug:

Classes
struct	LocalVarDef

struct	TypeLoweringScope

Public Member Functions
	CodeViewDebug (AsmPrinter *AP)

void	beginModule (Module *M) override

void	setSymbolSize (const MCSymbol *, uint64_t) override
	For symbols that have a size designated (e.g.

void	endModule () override
	Emit the COFF section that holds the line table information.

void	beginInstruction (const MachineInstr *MI) override
	Process beginning of an instruction.

Public Member Functions inherited from llvm::DebugHandlerBase
void	beginModule (Module *M) override

void	beginInstruction (const MachineInstr *MI) override
	Process beginning of an instruction.

void	endInstruction () override
	Process end of an instruction.

void	beginFunction (const MachineFunction *MF) override
	Gather pre-function debug information.

void	endFunction (const MachineFunction *MF) override
	Gather post-function debug information.

void	beginBasicBlockSection (const MachineBasicBlock &MBB) override
	Process the beginning of a new basic-block-section within a function.

void	endBasicBlockSection (const MachineBasicBlock &MBB) override
	Process the end of a basic-block-section within a function.

MCSymbol *	getLabelBeforeInsn (const MachineInstr *MI)
	Return Label preceding the instruction.

MCSymbol *	getLabelAfterInsn (const MachineInstr *MI)
	Return Label immediately following the instruction.

const InstructionOrdering &	getInstOrdering () const

Public Member Functions inherited from llvm::AsmPrinterHandler
virtual	~AsmPrinterHandler ()
	Pin vtable to this file.

virtual void	setSymbolSize (const MCSymbol *Sym, uint64_t Size)=0
	For symbols that have a size designated (e.g.

virtual void	beginModule (Module *M)

virtual void	endModule ()=0
	Emit all sections that should come after the content.

virtual void	beginFunction (const MachineFunction *MF)=0
	Gather pre-function debug information.

virtual void	markFunctionEnd ()

virtual void	endFunction (const MachineFunction *MF)=0
	Gather post-function debug information.

virtual void	beginBasicBlockSection (const MachineBasicBlock &MBB)
	Process the beginning of a new basic-block-section within a function.

virtual void	endBasicBlockSection (const MachineBasicBlock &MBB)
	Process the end of a basic-block-section within a function.

virtual void	beginFunclet (const MachineBasicBlock &MBB, MCSymbol *Sym=nullptr)
	Emit target-specific EH funclet machinery.

virtual void	endFunclet ()

virtual void	beginInstruction (const MachineInstr *MI)=0
	Process beginning of an instruction.

virtual void	endInstruction ()=0
	Process end of an instruction.

Protected Member Functions
void	beginFunctionImpl (const MachineFunction *MF) override
	Gather pre-function debug information.

void	endFunctionImpl (const MachineFunction *) override
	Gather post-function debug information.

bool	moduleIsInFortran ()
	Check if the current module is in Fortran.

Protected Member Functions inherited from llvm::DebugHandlerBase
	DebugHandlerBase (AsmPrinter *A)

void	identifyScopeMarkers ()
	Indentify instructions that are marking the beginning of or ending of a scope.

void	requestLabelBeforeInsn (const MachineInstr *MI)
	Ensure that a label will be emitted before MI.

void	requestLabelAfterInsn (const MachineInstr *MI)
	Ensure that a label will be emitted after MI.

virtual void	beginFunctionImpl (const MachineFunction *MF)=0

virtual void	endFunctionImpl (const MachineFunction *MF)=0

virtual void	skippedNonDebugFunction ()

Additional Inherited Members
Static Public Member Functions inherited from llvm::DebugHandlerBase
static uint64_t	getBaseTypeSize (const DIType *Ty)
	If this type is derived from a base type then return base type size.

static bool	isUnsignedDIType (const DIType *Ty)
	Return true if type encoding is unsigned.

Protected Attributes inherited from llvm::DebugHandlerBase
AsmPrinter *	Asm = nullptr
	Target of debug info emission.

MachineModuleInfo *	MMI = nullptr
	Collected machine module information.

DebugLoc	PrevInstLoc
	Previous instruction's location information.

MCSymbol *	PrevLabel = nullptr

const MachineBasicBlock *	PrevInstBB = nullptr

DebugLoc	PrologEndLoc
	This location indicates end of function prologue and beginning of function body.

const MachineBasicBlock *	EpilogBeginBlock = nullptr
	This block includes epilogue instructions.

const MachineInstr *	CurMI = nullptr
	If nonnull, stores the current machine instruction we're processing.

LexicalScopes	LScopes

DbgValueHistoryMap	DbgValues
	History of DBG_VALUE and clobber instructions for each user variable.

DbgLabelInstrMap	DbgLabels
	Mapping of inlined labels and DBG_LABEL machine instruction.

DenseMap< const MachineInstr , MCSymbol >	LabelsBeforeInsn
	Maps instruction with label emitted before instruction.

DenseMap< const MachineInstr , MCSymbol >	LabelsAfterInsn
	Maps instruction with label emitted after instruction.