#include "CodeGen/AsmPrinter/DwarfException.h"

Inheritance diagram for llvm::DwarfCFIException:

Collaboration diagram for llvm::DwarfCFIException:

[legend]

Public Member Functions
	DwarfCFIException (AsmPrinter *A)

	~DwarfCFIException () override

void	endModule () override
	Emit all exception information that should come after the content. More...

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

void	endFunction (const MachineFunction *) override
	Gather and emit post-function exception information. More...

void	beginFragment (const MachineBasicBlock *MBB, ExceptionSymbolProvider ESP) override

Public Member Functions inherited from llvm::EHStreamer
	EHStreamer (AsmPrinter *A)

	~EHStreamer () override

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

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

void	endInstruction () override
	Process end of an instruction. More...

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

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

virtual void	endFunclet ()

Additional Inherited Members
Static Public Member Functions inherited from llvm::EHStreamer
static bool	callToNoUnwindFunction (const MachineInstr *MI)
	Return `true' if this is a call to a function marked `nounwind'. More...

Protected Types inherited from llvm::EHStreamer
using	RangeMapType = DenseMap< MCSymbol *, PadRange >

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

void	markFunctionEnd () override

void	endFragment () override

Protected Member Functions inherited from llvm::EHStreamer
void	computeActionsTable (const SmallVectorImpl< const LandingPadInfo *> &LandingPads, SmallVectorImpl< ActionEntry > &Actions, SmallVectorImpl< unsigned > &FirstActions)
	Compute the actions table and gather the first action index for each landing pad site. More...

void	computePadMap (const SmallVectorImpl< const LandingPadInfo *> &LandingPads, RangeMapType &PadMap)

virtual void	computeCallSiteTable (SmallVectorImpl< CallSiteEntry > &CallSites, const SmallVectorImpl< const LandingPadInfo *> &LandingPads, const SmallVectorImpl< unsigned > &FirstActions)
	Compute the call-site table. More...

MCSymbol *	emitExceptionTable ()
	Emit landing pads and actions. More...

virtual void	emitTypeInfos (unsigned TTypeEncoding, MCSymbol *TTBaseLabel)

Static Protected Member Functions inherited from llvm::EHStreamer
static unsigned	sharedTypeIDs (const LandingPadInfo L, const LandingPadInfo R)
	How many leading type ids two landing pads have in common. More...

static bool	isFilterEHSelector (int Selector)

static bool	isCleanupEHSelector (int Selector)

static bool	isCatchEHSelector (int Selector)

Protected Attributes inherited from llvm::DwarfCFIExceptionBase
bool	shouldEmitCFI
	Per-function flag to indicate if frame CFI info should be emitted. More...

bool	hasEmittedCFISections
	Per-module flag to indicate if .cfi_section has beeen emitted. More...

Protected Attributes inherited from llvm::EHStreamer
AsmPrinter *	Asm
	Target of directive emission. More...

MachineModuleInfo *	MMI
	Collected machine module information. More...

Detailed Description

Definition at line 38 of file DwarfException.h.

Constructor & Destructor Documentation

◆ DwarfCFIException()

DwarfCFIException::DwarfCFIException ( AsmPrinter * A )

Definition at line 54 of file DwarfCFIException.cpp.

◆ ~DwarfCFIException()

DwarfCFIException::~DwarfCFIException ( )

override

Definition at line 59 of file DwarfCFIException.cpp.

Member Function Documentation

◆ beginFragment()

void DwarfCFIException::beginFragment	(	const MachineBasicBlock *	MBB,
		ExceptionSymbolProvider	ESP
	)

overridevirtual

◆ beginFunction()

void DwarfCFIException::beginFunction ( const MachineFunction * MF )

overridevirtual

Gather pre-function exception information.

Assumes being emitted immediately after the function entry point.

Implements llvm::AsmPrinterHandler.

Definition at line 88 of file DwarfCFIException.cpp.

References llvm::EHStreamer::Asm, llvm::MachineFunction::begin(), beginFragment(), llvm::AsmPrinter::CFI_M_None, llvm::classifyEHPersonality(), llvm::dwarf::DW_EH_PE_omit, F(), llvm::MCContext::getAsmInfo(), llvm::MachineModuleInfo::getContext(), getExceptionSym(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getLandingPads(), llvm::TargetLoweringObjectFile::getLSDAEncoding(), llvm::MachineFunction::getMMI(), llvm::AsmPrinter::getObjFileLowering(), llvm::TargetLoweringObjectFile::getPersonalityEncoding(), llvm::Function::getPersonalityFn(), llvm::Function::hasPersonalityFn(), llvm::isNoOpWithoutInvoke(), llvm::AsmPrinter::needsCFIMoves(), llvm::Function::needsUnwindTableEntry(), llvm::DwarfCFIExceptionBase::shouldEmitCFI, llvm::Constant::stripPointerCasts(), and llvm::MCAsmInfo::usesCFIForEH().

◆ endFunction()

void DwarfCFIException::endFunction ( const MachineFunction * MF )

overridevirtual

Gather and emit post-function exception information.

endFunction - Gather and emit post-function exception information.

Implements llvm::AsmPrinterHandler.

Definition at line 167 of file DwarfCFIException.cpp.

References llvm::EHStreamer::emitExceptionTable().

◆ endModule()

void DwarfCFIException::endModule ( )

overridevirtual

Emit all exception information that should come after the content.

endModule - Emit all exception information that should come after the content.

Implements llvm::AsmPrinterHandler.

Definition at line 63 of file DwarfCFIException.cpp.

References llvm::EHStreamer::Asm, llvm::dwarf::DW_EH_PE_indirect, llvm::TargetLoweringObjectFile::emitPersonalityValue(), llvm::AsmPrinter::getDataLayout(), llvm::AsmPrinter::getObjFileLowering(), llvm::MachineModuleInfo::getPersonalities(), llvm::TargetLoweringObjectFile::getPersonalityEncoding(), llvm::AsmPrinter::getSymbol(), llvm::AsmPrinter::MAI, llvm::EHStreamer::MMI, llvm::AsmPrinter::OutStreamer, and llvm::MCAsmInfo::usesCFIForEH().

The documentation for this class was generated from the following files:

lib/CodeGen/AsmPrinter/DwarfException.h
lib/CodeGen/AsmPrinter/DwarfCFIException.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DwarfCFIException()

◆ ~DwarfCFIException()

Member Function Documentation

◆ beginFragment()

◆ beginFunction()

◆ endFunction()

◆ endModule()