#include <MCWinCOFFStreamer.h>

Inheritance diagram for llvm::MCWinCOFFStreamer:

Collaboration diagram for llvm::MCWinCOFFStreamer:

Public Member Functions
	MCWinCOFFStreamer (MCContext &Context, MCAsmBackend &MAB, MCCodeEmitter &CE, raw_ostream &OS)
void	reset () override
	state management
MCStreamer interface
void	InitSections () override
	Create the default sections and set the initial one.
void	EmitLabel (MCSymbol *Symbol) override
void	EmitAssemblerFlag (MCAssemblerFlag Flag) override
	EmitAssemblerFlag - Note in the output the specified `Flag`.
void	EmitThumbFunc (MCSymbol *Func) override
bool	EmitSymbolAttribute (MCSymbol *Symbol, MCSymbolAttr Attribute) override
	EmitSymbolAttribute - Add the given `Attribute` to `Symbol`.
void	EmitSymbolDesc (MCSymbol *Symbol, unsigned DescValue) override
void	BeginCOFFSymbolDef (MCSymbol const *Symbol) override
void	EmitCOFFSymbolStorageClass (int StorageClass) override
void	EmitCOFFSymbolType (int Type) override
void	EndCOFFSymbolDef () override
	EndCOFFSymbolDef - Marks the end of the symbol definition.
void	EmitCOFFSectionIndex (MCSymbol const *Symbol) override
void	EmitCOFFSecRel32 (MCSymbol const *Symbol) override
void	EmitELFSize (MCSymbol Symbol, const MCExpr Value) override
void	EmitCommonSymbol (MCSymbol *Symbol, uint64_t Size, unsigned ByteAlignment) override
void	EmitLocalCommonSymbol (MCSymbol *Symbol, uint64_t Size, unsigned ByteAlignment) override
void	EmitZerofill (const MCSection Section, MCSymbol Symbol, uint64_t Size, unsigned ByteAlignment) override
void	EmitTBSSSymbol (const MCSection Section, MCSymbol Symbol, uint64_t Size, unsigned ByteAlignment) override
void	EmitFileDirective (StringRef Filename) override
void	EmitIdent (StringRef IdentString) override
void	EmitWinEHHandlerData () override
void	FinishImpl () override
	FinishImpl - Streamer specific finalization.
Protected Member Functions
void	EmitInstToData (const MCInst &Inst, const MCSubtargetInfo &STI) override
Protected Attributes
const MCSymbol *	CurSymbol

Detailed Description

Definition at line 28 of file MCWinCOFFStreamer.h.

Constructor & Destructor Documentation

llvm::MCWinCOFFStreamer::MCWinCOFFStreamer	(	MCContext &	Context,
		MCAsmBackend &	MAB,
		MCCodeEmitter &	CE,
		raw_ostream &	OS
	)

Definition at line 40 of file WinCOFFStreamer.cpp.

Member Function Documentation

void llvm::MCWinCOFFStreamer::BeginCOFFSymbolDef ( MCSymbol const * Symbol ) [override, virtual]

BeginCOFFSymbolDef - Start emitting COFF symbol definition

Parameters:

Symbol - The symbol to have its External & Type fields set.

Reimplemented from llvm::MCStreamer.

Definition at line 120 of file WinCOFFStreamer.cpp.

References CurSymbol, llvm::MCSymbol::getSection(), llvm::MCSection::getVariant(), llvm::MCSymbol::isInSection(), llvm::MCSection::SV_COFF, and llvm::ARMBuildAttrs::Symbol.

void llvm::MCWinCOFFStreamer::EmitAssemblerFlag ( MCAssemblerFlag Flag ) [override, virtual]

EmitAssemblerFlag - Note in the output the specified Flag.

Reimplemented from llvm::MCStreamer.

Definition at line 84 of file WinCOFFStreamer.cpp.

References llvm_unreachable.

void llvm::MCWinCOFFStreamer::EmitCOFFSecRel32 ( MCSymbol const * Symbol ) [override, virtual]

EmitCOFFSecRel32 - Emits a COFF section relative relocation.

Parameters:

Symbol - Symbol the section relative relocation should point to.

Reimplemented from llvm::MCStreamer.

Definition at line 168 of file WinCOFFStreamer.cpp.

References llvm::MCFixup::Create(), llvm::MCSymbolRefExpr::Create(), llvm::FK_SecRel_4, llvm::MCDataFragment::getContents(), llvm::MCStreamer::getContext(), llvm::MCDataFragment::getFixups(), llvm::MCObjectStreamer::getOrCreateDataFragment(), llvm::SmallVectorTemplateBase< T, isPodLike >::push_back(), llvm::SmallVectorImpl< T >::resize(), and llvm::SmallVectorTemplateCommon< T, typename >::size().

void llvm::MCWinCOFFStreamer::EmitCOFFSectionIndex ( MCSymbol const * Symbol ) [override, virtual]

EmitCOFFSectionIndex - Emits a COFF section index.

Parameters:

Symbol - Symbol the section number relocation should point to.

Reimplemented from llvm::MCStreamer.

Definition at line 160 of file WinCOFFStreamer.cpp.

References llvm::MCFixup::Create(), llvm::MCSymbolRefExpr::Create(), llvm::FK_SecRel_2, llvm::MCDataFragment::getContents(), llvm::MCStreamer::getContext(), llvm::MCDataFragment::getFixups(), llvm::MCObjectStreamer::getOrCreateDataFragment(), llvm::SmallVectorTemplateBase< T, isPodLike >::push_back(), llvm::SmallVectorImpl< T >::resize(), and llvm::SmallVectorTemplateCommon< T, typename >::size().

void llvm::MCWinCOFFStreamer::EmitCOFFSymbolStorageClass ( int StorageClass ) [override, virtual]

EmitCOFFSymbolStorageClass - Emit the storage class of the symbol.

Parameters:

StorageClass - The storage class the symbol should have.

Reimplemented from llvm::MCStreamer.

Definition at line 131 of file WinCOFFStreamer.cpp.

References CurSymbol, llvm::MCObjectStreamer::getAssembler(), llvm::MCAssembler::getOrCreateSymbolData(), llvm::itostr(), llvm::MCSymbolData::modifyFlags(), llvm::COFF::SF_ClassMask, and llvm::COFF::SF_ClassShift.

void llvm::MCWinCOFFStreamer::EmitCOFFSymbolType ( int Type ) [override, virtual]

EmitCOFFSymbolType - Emit the type of the symbol.

Parameters:

Type	- A COFF type identifier (see COFF::SymbolType in X86COFF.h)

Reimplemented from llvm::MCStreamer.

Definition at line 143 of file WinCOFFStreamer.cpp.

References CurSymbol, llvm::MCObjectStreamer::getAssembler(), llvm::MCAssembler::getOrCreateSymbolData(), llvm::itostr(), llvm::MCSymbolData::modifyFlags(), llvm::COFF::SF_TypeMask, and llvm::COFF::SF_TypeShift.

void llvm::MCWinCOFFStreamer::EmitCommonSymbol	(	MCSymbol *	Symbol,
		uint64_t	Size,
		unsigned	ByteAlignment
	)		`[override, virtual]`

EmitCommonSymbol - Emit a common symbol.

Parameters:

Symbol	- The common symbol to emit.
Size	- The size of the common symbol.
ByteAlignment	- The alignment of the symbol if non-zero. This must be a power of 2.

Implements llvm::MCStreamer.

Definition at line 180 of file WinCOFFStreamer.cpp.

References llvm::MCStreamer::AssignSection(), llvm::MCObjectStreamer::getAssembler(), llvm::MCAssembler::getOrCreateSymbolData(), llvm::MCSymbol::getSection(), llvm::MCSection::getVariant(), llvm::MCSymbol::isInSection(), llvm::report_fatal_error(), llvm::MCSymbolData::setCommon(), llvm::MCSymbolData::setExternal(), and llvm::MCSection::SV_COFF.

void llvm::MCWinCOFFStreamer::EmitELFSize	(	MCSymbol *	Symbol,
		const MCExpr *	Value
	)		`[override, virtual]`

EmitELFSize - Emit an ELF .size directive.

This corresponds to an assembler statement such as: .size symbol, expression

Reimplemented from llvm::MCStreamer.

Definition at line 176 of file WinCOFFStreamer.cpp.

References llvm_unreachable.

void llvm::MCWinCOFFStreamer::EmitFileDirective ( StringRef Filename ) [override, virtual]

EmitFileDirective - Switch to a new logical file. This is used to implement the '.file "foo.c"' assembler directive.

Reimplemented from llvm::MCStreamer.

Definition at line 231 of file WinCOFFStreamer.cpp.

References llvm::MCAssembler::addFileName(), and llvm::MCObjectStreamer::getAssembler().

void llvm::MCWinCOFFStreamer::EmitIdent ( StringRef IdentString ) [override, virtual]

Emit the "identifiers" directive. This implements the '.ident "version foo"' assembler directive.

Reimplemented from llvm::MCStreamer.

Definition at line 236 of file WinCOFFStreamer.cpp.

References llvm_unreachable.

void llvm::MCWinCOFFStreamer::EmitInstToData	(	const MCInst &	Inst,
		const MCSubtargetInfo &	STI
	)		`[override, protected, virtual]`

Implements llvm::MCObjectStreamer.

Definition at line 44 of file WinCOFFStreamer.cpp.

References llvm::SmallVectorImpl< T >::append(), llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::tgtok::Code, llvm::MCCodeEmitter::EncodeInstruction(), llvm::SmallVectorTemplateCommon< T, typename >::end(), llvm::raw_ostream::flush(), llvm::MCObjectStreamer::getAssembler(), llvm::MCDataFragment::getContents(), llvm::MCAssembler::getEmitter(), llvm::MCDataFragment::getFixups(), llvm::getOffset(), llvm::MCObjectStreamer::getOrCreateDataFragment(), llvm::SmallVectorTemplateBase< T, isPodLike >::push_back(), and llvm::SmallVectorTemplateCommon< T, typename >::size().

void llvm::MCWinCOFFStreamer::EmitLabel ( MCSymbol * Symbol ) [override, virtual]

EmitLabel - Emit a label for Symbol into the current section.

This corresponds to an assembler statement such as: foo:

Parameters:

Symbol - The symbol to emit. A given symbol should only be emitted as a label once, and symbols emitted as a label should never be used in an assignment.

Reimplemented from llvm::MCObjectStreamer.

Definition at line 79 of file WinCOFFStreamer.cpp.

References llvm::MCSymbol::isUndefined().

void llvm::MCWinCOFFStreamer::EmitLocalCommonSymbol	(	MCSymbol *	Symbol,
		uint64_t	Size,
		unsigned	ByteAlignment
	)		`[override, virtual]`

EmitLocalCommonSymbol - Emit a local common (.lcomm) symbol.

Parameters:

Symbol	- The common symbol to emit.
Size	- The size of the common symbol.
ByteAlignment	- The alignment of the common symbol in bytes.

Reimplemented from llvm::MCStreamer.

Definition at line 196 of file WinCOFFStreamer.cpp.

References llvm::MCStreamer::AssignSection(), llvm::LCOMM::ByteAlignment, llvm::MCSectionData::getAlignment(), llvm::MCObjectStreamer::getAssembler(), llvm::MCObjectFileInfo::getBSSSection(), llvm::MCStreamer::getContext(), llvm::MCContext::getObjectFileInfo(), llvm::MCAssembler::getOrCreateSectionData(), llvm::MCAssembler::getOrCreateSymbolData(), llvm::MCSymbol::isInSection(), llvm::ARMBuildAttrs::Section, llvm::MCSectionData::setAlignment(), llvm::MCSymbolData::setExternal(), and llvm::MCSymbolData::setFragment().

bool llvm::MCWinCOFFStreamer::EmitSymbolAttribute	(	MCSymbol *	Symbol,
		MCSymbolAttr	Attribute
	)		`[override, virtual]`

EmitSymbolAttribute - Add the given Attribute to Symbol.

Implements llvm::MCStreamer.

Definition at line 92 of file WinCOFFStreamer.cpp.

References llvm::MCObjectStreamer::getAssembler(), llvm::MCAssembler::getOrCreateSymbolData(), llvm::MCSymbol::getSection(), llvm::MCSection::getVariant(), llvm::MCSymbol::isInSection(), llvm::MCSA_Global, llvm::MCSA_Weak, llvm::MCSA_WeakReference, llvm::MCSymbolData::modifyFlags(), llvm::MCSymbolData::setExternal(), llvm::COFF::SF_WeakExternal, and llvm::MCSection::SV_COFF.

void llvm::MCWinCOFFStreamer::EmitSymbolDesc	(	MCSymbol *	Symbol,
		unsigned	DescValue
	)		`[override, virtual]`

EmitSymbolDesc - Set the DescValue for the Symbol.

Parameters:

Symbol	- The symbol to have its n_desc field set.
DescValue	- The value to set into the n_desc field.

Reimplemented from llvm::MCStreamer.

Definition at line 116 of file WinCOFFStreamer.cpp.

References llvm_unreachable.

void llvm::MCWinCOFFStreamer::EmitTBSSSymbol	(	const MCSection *	Section,
		MCSymbol *	Symbol,
		uint64_t	Size,
		unsigned	ByteAlignment
	)		`[override, virtual]`

EmitTBSSSymbol - Emit a thread local bss (.tbss) symbol.

Parameters:

Section	- The thread local common section.
Symbol	- The thread local common symbol to emit.
Size	- The size of the symbol.
ByteAlignment	- The alignment of the thread local common symbol if non-zero. This must be a power of 2 on some targets.

Reimplemented from llvm::MCStreamer.

Definition at line 225 of file WinCOFFStreamer.cpp.

References llvm_unreachable.

void llvm::MCWinCOFFStreamer::EmitThumbFunc ( MCSymbol * Func ) [override, virtual]

EmitThumbFunc - Note in the output that the specified Func is a Thumb mode function (ARM target only).

Reimplemented from llvm::MCStreamer.

Definition at line 88 of file WinCOFFStreamer.cpp.

References llvm_unreachable.

void llvm::MCWinCOFFStreamer::EmitWinEHHandlerData ( ) [override, virtual]

Reimplemented from llvm::MCStreamer.

Definition at line 240 of file WinCOFFStreamer.cpp.

References llvm_unreachable.

void llvm::MCWinCOFFStreamer::EmitZerofill	(	const MCSection *	Section,
		MCSymbol *	Symbol,
		uint64_t	Size,
		unsigned	ByteAlignment
	)		`[override, virtual]`

EmitZerofill - Emit the zerofill section and an optional symbol.

Parameters:

Section	- The zerofill section to create and or to put the symbol
Symbol	- The zerofill symbol to emit, if non-NULL.
Size	- The size of the zerofill symbol.
ByteAlignment	- The alignment of the zerofill symbol if non-zero. This must be a power of 2 on some targets.

Implements llvm::MCStreamer.

Definition at line 219 of file WinCOFFStreamer.cpp.

References llvm_unreachable.

void llvm::MCWinCOFFStreamer::EndCOFFSymbolDef ( ) [override, virtual]

EndCOFFSymbolDef - Marks the end of the symbol definition.

Reimplemented from llvm::MCStreamer.

Definition at line 154 of file WinCOFFStreamer.cpp.

References CurSymbol.

void llvm::MCWinCOFFStreamer::FinishImpl ( ) [override, virtual]

FinishImpl - Streamer specific finalization.

Reimplemented from llvm::MCObjectStreamer.

Definition at line 244 of file WinCOFFStreamer.cpp.