llvm::WinException Class Reference

#include "CodeGen/AsmPrinter/WinException.h"

Inheritance diagram for llvm::WinException:

Public Member Functions
	WinException (AsmPrinter *A)
	~WinException () override
void	endModule () override
	Emit all exception information that should come after the content.
void	beginFunction (const MachineFunction *MF) override
	Gather pre-function exception information.
void	markFunctionEnd () override
void	endFunction (const MachineFunction *) override
	Gather and emit post-function exception information.
void	beginFunclet (const MachineBasicBlock &MBB, MCSymbol *Sym) override
	Emit target-specific EH funclet machinery.
void	endFunclet () override
Public Member Functions inherited from llvm::EHStreamer
	EHStreamer (AsmPrinter *A)
	~EHStreamer () override
Public Member Functions inherited from llvm::AsmPrinterHandler
virtual	~AsmPrinterHandler ()
	Pin vtable to this file.
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 ()

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’.
Protected Types inherited from llvm::EHStreamer
using	RangeMapType = DenseMap< MCSymbol *, PadRange >
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.
void	computePadMap (const SmallVectorImpl< const LandingPadInfo * > &LandingPads, RangeMapType &PadMap)
virtual void	computeCallSiteTable (SmallVectorImpl< CallSiteEntry > &CallSites, SmallVectorImpl< CallSiteRange > &CallSiteRanges, const SmallVectorImpl< const LandingPadInfo * > &LandingPads, const SmallVectorImpl< unsigned > &FirstActions)
	Compute the call-site table and the call-site ranges.
MCSymbol *	emitExceptionTable ()
	Emit landing pads and actions.
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.
static bool	isFilterEHSelector (int Selector)
static bool	isCleanupEHSelector (int Selector)
static bool	isCatchEHSelector (int Selector)
Protected Attributes inherited from llvm::EHStreamer
AsmPrinter *	Asm
	Target of directive emission.
MachineModuleInfo *	MMI
	Collected machine module information.

Detailed Description

Definition at line 26 of file WinException.h.

Constructor & Destructor Documentation

WinException()

WinException::WinException

(

AsmPrinter *

A

)

Definition at line 35 of file WinException.cpp.

References A, llvm::EHStreamer::Asm, llvm::TargetMachine::getTargetTriple(), llvm::Triple::isAArch64(), llvm::Triple::isThumb(), and llvm::AsmPrinter::TM.

~WinException()

WinException::~WinException ( )

overridedefault

Member Function Documentation

beginFunclet()

void WinException::beginFunclet ( const MachineBasicBlock &  MBB, MCSymbol *  Sym  )

overridevirtual

Emit target-specific EH funclet machinery.

Reimplemented from llvm::AsmPrinterHandler.

Definition at line 190 of file WinException.cpp.

References llvm::EHStreamer::Asm, llvm::AsmPrinter::emitAlignment(), F, llvm::MachineBasicBlock::getAlignment(), llvm::MachineFunction::getAlignment(), llvm::TargetLoweringObjectFile::getCFIPersonalitySymbol(), llvm::MachineFunction::getFunction(), getMCSymbolForMBB(), llvm::AsmPrinter::getObjFileLowering(), llvm::COFF::IMAGE_SYM_CLASS_STATIC, llvm::COFF::IMAGE_SYM_DTYPE_FUNCTION, llvm::MachineBasicBlock::isCleanupFuncletEntry(), MBB, llvm::AsmPrinter::MF, llvm::EHStreamer::MMI, llvm::AsmPrinter::OutStreamer, llvm::COFF::SCT_COMPLEX_TYPE_SHIFT, Sym, and llvm::AsmPrinter::TM.

Referenced by beginFunction().

beginFunction()

void WinException::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 63 of file WinException.cpp.

References llvm::EHStreamer::Asm, beginFunclet(), llvm::classifyEHPersonality(), llvm::AsmPrinter::CurrentFnSym, llvm::GlobalValue::dropLLVMManglingEscape(), llvm::dwarf::DW_EH_PE_omit, F, llvm::MachineFunction::front(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getLandingPads(), llvm::TargetLoweringObjectFile::getLSDAEncoding(), llvm::Value::getName(), llvm::AsmPrinter::getObjFileLowering(), llvm::TargetLoweringObjectFile::getPersonalityEncoding(), llvm::MachineFunction::getWinEHFuncInfo(), llvm::MachineFunction::hasEHFunclets(), llvm::MachineFunction::hasWinCFI(), llvm::isNoOpWithoutInvoke(), llvm::AsmPrinter::MAI, llvm::MSVC_X86SEH, llvm::AsmPrinter::needsSEHMoves(), llvm::Unknown, and llvm::MCAsmInfo::usesWindowsCFI().

endFunclet()

void WinException::endFunclet ( )

overridevirtual

Reimplemented from llvm::AsmPrinterHandler.

Definition at line 241 of file WinException.cpp.

References llvm::EHStreamer::Asm, and llvm::AsmPrinter::OutStreamer.

endFunction()

void WinException::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 124 of file WinException.cpp.

References llvm::EHStreamer::Asm, llvm::classifyEHPersonality(), llvm::CoreCLR, llvm::EHStreamer::emitExceptionTable(), F, llvm::MachineFunction::getCatchretTargets(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::hasEHFunclets(), llvm::MSVC_CXX, llvm::MSVC_TableSEH, llvm::MSVC_X86SEH, llvm::AsmPrinter::OutStreamer, and llvm::Unknown.

endModule()

void WinException::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 47 of file WinException.cpp.

References llvm::EHStreamer::Asm, F, llvm::MCObjectFileInfo::getGEHContSection(), llvm::MachineModuleInfo::getModule(), llvm::MCContext::getObjectFileInfo(), llvm::AsmPrinter::getSymbol(), llvm::EHStreamer::MMI, OS, llvm::AsmPrinter::OutContext, and llvm::AsmPrinter::OutStreamer.

markFunctionEnd()

void WinException::markFunctionEnd ( )

overridevirtual

Reimplemented from llvm::AsmPrinterHandler.

Definition at line 116 of file WinException.cpp.

References llvm::EHStreamer::Asm, and llvm::AsmPrinter::OutStreamer.

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

• lib/CodeGen/AsmPrinter/WinException.h
• lib/CodeGen/AsmPrinter/WinException.cpp