#include "Target/Mips/MCTargetDesc/MipsELFStreamer.h"

Inheritance diagram for llvm::MipsELFStreamer:

[legend]

Public Member Functions
	MipsELFStreamer (MCContext &Context, std::unique_ptr< MCAsmBackend > MAB, std::unique_ptr< MCObjectWriter > OW, std::unique_ptr< MCCodeEmitter > Emitter)

void	emitInstruction (const MCInst &Inst, const MCSubtargetInfo &STI) override
	Overriding this function allows us to add arbitrary behaviour before the `Inst` is actually emitted.

void	emitLabel (MCSymbol *Symbol, SMLoc Loc=SMLoc()) override
	Overriding this function allows us to record all labels that should be marked as microMIPS.

void	switchSection (MCSection *Section, uint32_t Subsection=0) override
	Overriding this function allows us to dismiss all labels that are candidates for marking as microMIPS when .section directive is processed.

void	emitValueImpl (const MCExpr *Value, unsigned Size, SMLoc Loc) override
	Overriding these functions allows us to dismiss all labels that are candidates for marking as microMIPS when .word/.long/.4byte etc directives are emitted.

void	emitIntValue (uint64_t Value, unsigned Size) override
	Special case of EmitValue that avoids the client having to pass in a MCExpr for constant integers.

void	emitCFIStartProcImpl (MCDwarfFrameInfo &Frame) override

void	emitCFIEndProcImpl (MCDwarfFrameInfo &Frame) override

MCSymbol *	emitCFILabel () override
	When emitting an object file, create and emit a real label.

void	EmitMipsOptionRecords ()
	Emits all the option records stored up until the point it's called.

void	createPendingLabelRelocs ()
	Mark labels as microMIPS, if necessary for the subtarget.

Public Member Functions inherited from llvm::MCELFStreamer
	MCELFStreamer (MCContext &Context, std::unique_ptr< MCAsmBackend > TAB, std::unique_ptr< MCObjectWriter > OW, std::unique_ptr< MCCodeEmitter > Emitter)

	~MCELFStreamer () override=default

void	reset () override
	state management

ELFObjectWriter &	getWriter ()

void	initSections (bool NoExecStack, const MCSubtargetInfo &STI) override
	Create the default sections and set the initial one.

void	changeSection (MCSection *Section, uint32_t Subsection=0) override
	This is called by popSection and switchSection, if the current section changes.

void	emitLabelAtPos (MCSymbol *Symbol, SMLoc Loc, MCDataFragment &F, uint64_t Offset) override

void	emitAssemblerFlag (MCAssemblerFlag Flag) override
	Note in the output the specified `Flag`.

void	emitThumbFunc (MCSymbol *Func) override
	Note in the output that the specified `Func` is a Thumb mode function (ARM target only).

void	emitWeakReference (MCSymbol Alias, const MCSymbol Symbol) override
	Emit an weak reference from `Alias` to `Symbol`.

bool	emitSymbolAttribute (MCSymbol *Symbol, MCSymbolAttr Attribute) override
	Add the given `Attribute` to `Symbol`.

void	emitSymbolDesc (MCSymbol *Symbol, unsigned DescValue) override
	Set the `DescValue` for the `Symbol`.

void	emitCommonSymbol (MCSymbol *Symbol, uint64_t Size, Align ByteAlignment) override
	Emit a common symbol.

void	emitELFSize (MCSymbol Symbol, const MCExpr Value) override
	Emit an ELF .size directive.

void	emitELFSymverDirective (const MCSymbol *OriginalSym, StringRef Name, bool KeepOriginalSym) override
	Emit an ELF .symver directive.

void	emitLocalCommonSymbol (MCSymbol *Symbol, uint64_t Size, Align ByteAlignment) override
	Emit a local common (.lcomm) symbol.

void	emitZerofill (MCSection Section, MCSymbol Symbol=nullptr, uint64_t Size=0, Align ByteAlignment=Align(1), SMLoc L=SMLoc()) override
	Emit the zerofill section and an optional symbol.

void	emitTBSSSymbol (MCSection Section, MCSymbol Symbol, uint64_t Size, Align ByteAlignment=Align(1)) override
	Emit a thread local bss (.tbss) symbol.

void	emitIdent (StringRef IdentString) override
	Emit the "identifiers" directive.

void	emitValueToAlignment (Align, int64_t, unsigned, unsigned) override
	Emit some number of copies of `Value` until the byte alignment `ByteAlignment` is reached.

void	emitCGProfileEntry (const MCSymbolRefExpr From, const MCSymbolRefExpr To, uint64_t Count) override

void	finishImpl () final
	Streamer specific finalization.

void	emitBundleAlignMode (Align Alignment) override
	Set the bundle alignment mode from now on in the section.

void	emitBundleLock (bool AlignToEnd) override
	The following instructions are a bundle-locked group.

void	emitBundleUnlock () override
	Ends a bundle-locked group.

void	setAttributeItem (unsigned Attribute, unsigned Value, bool OverwriteExisting)

void	setAttributeItem (unsigned Attribute, StringRef Value, bool OverwriteExisting)

void	setAttributeItems (unsigned Attribute, unsigned IntValue, StringRef StringValue, bool OverwriteExisting)

void	emitAttributesSection (StringRef Vendor, const Twine &Section, unsigned Type, MCSection *&AttributeSection)

void	emitGNUAttribute (unsigned Tag, unsigned Value) override
	Emit a .gnu_attribute directive.

Public Member Functions inherited from llvm::MCObjectStreamer
void	reset () override
	state management

bool	isIntegratedAssemblerRequired () const override
	Object streamers require the integrated assembler.

void	emitFrames (MCAsmBackend *MAB)

void	emitCFISections (bool EH, bool Debug) override

void	insert (MCFragment *F)

MCDataFragment *	getOrCreateDataFragment (const MCSubtargetInfo *STI=nullptr)
	Get a data fragment to write into, creating a new one if the current fragment is not a data fragment.

void	visitUsedSymbol (const MCSymbol &Sym) override

MCAssembler &	getAssembler ()

MCAssembler *	getAssemblerPtr () override

void	emitAssignment (MCSymbol Symbol, const MCExpr Value) override
	Emit an assignment of `Value` to `Symbol`.

void	emitConditionalAssignment (MCSymbol Symbol, const MCExpr Value) override
	Emit an assignment of `Value` to `Symbol`, but only if `Value` is also emitted.

void	emitULEB128Value (const MCExpr *Value) override

void	emitSLEB128Value (const MCExpr *Value) override

void	emitWeakReference (MCSymbol Alias, const MCSymbol Symbol) override
	Emit an weak reference from `Alias` to `Symbol`.

void	changeSection (MCSection *Section, uint32_t Subsection=0) override
	This is called by popSection and switchSection, if the current section changes.

void	switchSectionNoPrint (MCSection *Section) override
	Similar to switchSection, but does not print the section directive.

void	emitBundleAlignMode (Align Alignment) override
	Set the bundle alignment mode from now on in the section.

void	emitBundleLock (bool AlignToEnd) override
	The following instructions are a bundle-locked group.

void	emitBundleUnlock () override
	Ends a bundle-locked group.

void	emitBytes (StringRef Data) override
	Emit the bytes in `Data` into the output.

void	emitValueToAlignment (Align Alignment, int64_t Value=0, unsigned ValueSize=1, unsigned MaxBytesToEmit=0) override
	Emit some number of copies of `Value` until the byte alignment `ByteAlignment` is reached.

void	emitCodeAlignment (Align ByteAlignment, const MCSubtargetInfo *STI, unsigned MaxBytesToEmit=0) override
	Emit nops until the byte alignment `ByteAlignment` is reached.

void	emitValueToOffset (const MCExpr *Offset, unsigned char Value, SMLoc Loc) override
	Emit some number of copies of `Value` until the byte offset `Offset` is reached.

void	emitDwarfLocDirective (unsigned FileNo, unsigned Line, unsigned Column, unsigned Flags, unsigned Isa, unsigned Discriminator, StringRef FileName) override
	This implements the DWARF2 '.loc fileno lineno ...' assembler directive.

void	emitDwarfAdvanceLineAddr (int64_t LineDelta, const MCSymbol LastLabel, const MCSymbol Label, unsigned PointerSize) override
	If targets does not support representing debug line section by .loc/.file directives in assembly output, we need to populate debug line section with raw debug line contents.

void	emitDwarfLineEndEntry (MCSection Section, MCSymbol LastLabel) override
	Emit the debug line end entry.

void	emitDwarfAdvanceFrameAddr (const MCSymbol LastLabel, const MCSymbol Label, SMLoc Loc)

void	emitCVLocDirective (unsigned FunctionId, unsigned FileNo, unsigned Line, unsigned Column, bool PrologueEnd, bool IsStmt, StringRef FileName, SMLoc Loc) override
	This implements the CodeView '.cv_loc' assembler directive.

void	emitCVLinetableDirective (unsigned FunctionId, const MCSymbol Begin, const MCSymbol End) override
	This implements the CodeView '.cv_linetable' assembler directive.

void	emitCVInlineLinetableDirective (unsigned PrimaryFunctionId, unsigned SourceFileId, unsigned SourceLineNum, const MCSymbol FnStartSym, const MCSymbol FnEndSym) override
	This implements the CodeView '.cv_inline_linetable' assembler directive.

void	emitCVDefRangeDirective (ArrayRef< std::pair< const MCSymbol , const MCSymbol > > Ranges, StringRef FixedSizePortion) override
	This implements the CodeView '.cv_def_range' assembler directive.

void	emitCVStringTableDirective () override
	This implements the CodeView '.cv_stringtable' assembler directive.

void	emitCVFileChecksumsDirective () override
	This implements the CodeView '.cv_filechecksums' assembler directive.

void	emitCVFileChecksumOffsetDirective (unsigned FileNo) override
	This implements the CodeView '.cv_filechecksumoffset' assembler directive.

void	emitDTPRel32Value (const MCExpr *Value) override
	Emit the expression `Value` into the output as a dtprel (32-bit DTP relative) value.

void	emitDTPRel64Value (const MCExpr *Value) override
	Emit the expression `Value` into the output as a dtprel (64-bit DTP relative) value.

void	emitTPRel32Value (const MCExpr *Value) override
	Emit the expression `Value` into the output as a tprel (32-bit TP relative) value.

void	emitTPRel64Value (const MCExpr *Value) override
	Emit the expression `Value` into the output as a tprel (64-bit TP relative) value.

void	emitGPRel32Value (const MCExpr *Value) override
	Emit the expression `Value` into the output as a gprel32 (32-bit GP relative) value.

void	emitGPRel64Value (const MCExpr *Value) override
	Emit the expression `Value` into the output as a gprel64 (64-bit GP relative) value.

std::optional< std::pair< bool, std::string > >	emitRelocDirective (const MCExpr &Offset, StringRef Name, const MCExpr *Expr, SMLoc Loc, const MCSubtargetInfo &STI) override
	Record a relocation described by the .reloc directive.

void	emitFill (const MCExpr &NumBytes, uint64_t FillValue, SMLoc Loc=SMLoc()) override
	Emit `Size` bytes worth of the value specified by `FillValue`.

void	emitFill (const MCExpr &NumValues, int64_t Size, int64_t Expr, SMLoc Loc=SMLoc()) override
	Emit `NumValues` copies of `Size` bytes.

void	emitNops (int64_t NumBytes, int64_t ControlledNopLength, SMLoc Loc, const MCSubtargetInfo &STI) override

void	emitFileDirective (StringRef Filename) override
	Switch to a new logical file.

void	emitFileDirective (StringRef Filename, StringRef CompilerVersion, StringRef TimeStamp, StringRef Description) override
	Emit ".file assembler diretive with additioal info.

void	emitAddrsig () override

void	emitAddrsigSym (const MCSymbol *Sym) override

void	finishImpl () override
	Streamer specific finalization.

void	emitAbsoluteSymbolDiff (const MCSymbol Hi, const MCSymbol Lo, unsigned Size) override
	Emit the absolute difference between two symbols if possible.

void	emitAbsoluteSymbolDiffAsULEB128 (const MCSymbol Hi, const MCSymbol Lo) override
	Emit the absolute difference between two symbols encoded with ULEB128.

bool	mayHaveInstructions (MCSection &Sec) const override

void	emitPendingAssignments (MCSymbol *Symbol)
	Emits pending conditional assignments that depend on `Symbol` being emitted.

void	emitFill (uint64_t NumBytes, uint8_t FillValue)
	Emit NumBytes bytes worth of the value specified by FillValue.

virtual void	emitFill (const MCExpr &NumBytes, uint64_t FillValue, SMLoc Loc=SMLoc())
	Emit `Size` bytes worth of the value specified by `FillValue`.

virtual void	emitFill (const MCExpr &NumValues, int64_t Size, int64_t Expr, SMLoc Loc=SMLoc())
	Emit `NumValues` copies of `Size` bytes.

Public Member Functions inherited from llvm::MCStreamer
	MCStreamer (const MCStreamer &)=delete

MCStreamer &	operator= (const MCStreamer &)=delete

virtual	~MCStreamer ()

void	visitUsedExpr (const MCExpr &Expr)

virtual void	visitUsedSymbol (const MCSymbol &Sym)

void	setTargetStreamer (MCTargetStreamer *TS)

void	setStartTokLocPtr (const SMLoc *Loc)

SMLoc	getStartTokLoc () const

virtual void	reset ()
	State management.

MCContext &	getContext () const

virtual MCAssembler *	getAssemblerPtr ()

void	setUseAssemblerInfoForParsing (bool v)

bool	getUseAssemblerInfoForParsing ()

MCTargetStreamer *	getTargetStreamer ()

void	setAllowAutoPadding (bool v)

bool	getAllowAutoPadding () const

virtual MCSymbol *	emitCFILabel ()
	When emitting an object file, create and emit a real label.

WinEH::FrameInfo *	EnsureValidWinFrameInfo (SMLoc Loc)
	Retrieve the current frame info if one is available and it is not yet closed.

unsigned	getNumFrameInfos ()

ArrayRef< MCDwarfFrameInfo >	getDwarfFrameInfos () const

bool	hasUnfinishedDwarfFrameInfo ()

unsigned	getNumWinFrameInfos ()

ArrayRef< std::unique_ptr< WinEH::FrameInfo > >	getWinFrameInfos () const

void	generateCompactUnwindEncodings (MCAsmBackend *MAB)

virtual void	emitFileDirective (StringRef Filename)
	Switch to a new logical file.

virtual void	emitFileDirective (StringRef Filename, StringRef CompilerVersion, StringRef TimeStamp, StringRef Description)
	Emit ".file assembler diretive with additioal info.

virtual void	emitIdent (StringRef IdentString)
	Emit the "identifiers" directive.

unsigned	emitDwarfFileDirective (unsigned FileNo, StringRef Directory, StringRef Filename, std::optional< MD5::MD5Result > Checksum=std::nullopt, std::optional< StringRef > Source=std::nullopt, unsigned CUID=0)
	Associate a filename with a specified logical file number.

virtual Expected< unsigned >	tryEmitDwarfFileDirective (unsigned FileNo, StringRef Directory, StringRef Filename, std::optional< MD5::MD5Result > Checksum=std::nullopt, std::optional< StringRef > Source=std::nullopt, unsigned CUID=0)
	Associate a filename with a specified logical file number.

virtual void	emitDwarfFile0Directive (StringRef Directory, StringRef Filename, std::optional< MD5::MD5Result > Checksum, std::optional< StringRef > Source, unsigned CUID=0)
	Specify the "root" file of the compilation, using the ".file 0" extension.

virtual void	emitCFIBKeyFrame ()

virtual void	emitCFIMTETaggedFrame ()

virtual void	emitDwarfLocDirective (unsigned FileNo, unsigned Line, unsigned Column, unsigned Flags, unsigned Isa, unsigned Discriminator, StringRef FileName)
	This implements the DWARF2 '.loc fileno lineno ...' assembler directive.

virtual bool	emitCVFileDirective (unsigned FileNo, StringRef Filename, ArrayRef< uint8_t > Checksum, unsigned ChecksumKind)
	Associate a filename with a specified logical file number, and also specify that file's checksum information.

virtual bool	emitCVFuncIdDirective (unsigned FunctionId)
	Introduces a function id for use with .cv_loc.

virtual bool	emitCVInlineSiteIdDirective (unsigned FunctionId, unsigned IAFunc, unsigned IAFile, unsigned IALine, unsigned IACol, SMLoc Loc)
	Introduces an inline call site id for use with .cv_loc.

virtual void	emitCVLocDirective (unsigned FunctionId, unsigned FileNo, unsigned Line, unsigned Column, bool PrologueEnd, bool IsStmt, StringRef FileName, SMLoc Loc)
	This implements the CodeView '.cv_loc' assembler directive.

virtual void	emitCVLinetableDirective (unsigned FunctionId, const MCSymbol FnStart, const MCSymbol FnEnd)
	This implements the CodeView '.cv_linetable' assembler directive.

virtual void	emitCVInlineLinetableDirective (unsigned PrimaryFunctionId, unsigned SourceFileId, unsigned SourceLineNum, const MCSymbol FnStartSym, const MCSymbol FnEndSym)
	This implements the CodeView '.cv_inline_linetable' assembler directive.

virtual void	emitCVDefRangeDirective (ArrayRef< std::pair< const MCSymbol , const MCSymbol > > Ranges, StringRef FixedSizePortion)
	This implements the CodeView '.cv_def_range' assembler directive.

virtual void	emitCVDefRangeDirective (ArrayRef< std::pair< const MCSymbol , const MCSymbol > > Ranges, codeview::DefRangeRegisterRelHeader DRHdr)

virtual void	emitCVDefRangeDirective (ArrayRef< std::pair< const MCSymbol , const MCSymbol > > Ranges, codeview::DefRangeSubfieldRegisterHeader DRHdr)

virtual void	emitCVDefRangeDirective (ArrayRef< std::pair< const MCSymbol , const MCSymbol > > Ranges, codeview::DefRangeRegisterHeader DRHdr)

virtual void	emitCVDefRangeDirective (ArrayRef< std::pair< const MCSymbol , const MCSymbol > > Ranges, codeview::DefRangeFramePointerRelHeader DRHdr)

virtual void	emitCVStringTableDirective ()
	This implements the CodeView '.cv_stringtable' assembler directive.

virtual void	emitCVFileChecksumsDirective ()
	This implements the CodeView '.cv_filechecksums' assembler directive.

virtual void	emitCVFileChecksumOffsetDirective (unsigned FileNo)
	This implements the CodeView '.cv_filechecksumoffset' assembler directive.

virtual void	emitCVFPOData (const MCSymbol *ProcSym, SMLoc Loc={})
	This implements the CodeView '.cv_fpo_data' assembler directive.

virtual void	emitAbsoluteSymbolDiff (const MCSymbol Hi, const MCSymbol Lo, unsigned Size)
	Emit the absolute difference between two symbols.

virtual void	emitAbsoluteSymbolDiffAsULEB128 (const MCSymbol Hi, const MCSymbol Lo)
	Emit the absolute difference between two symbols encoded with ULEB128.

virtual MCSymbol *	getDwarfLineTableSymbol (unsigned CUID)

virtual void	emitCFISections (bool EH, bool Debug)

void	emitCFIStartProc (bool IsSimple, SMLoc Loc=SMLoc())

void	emitCFIEndProc ()

virtual void	emitCFIDefCfa (int64_t Register, int64_t Offset, SMLoc Loc={})

virtual void	emitCFIDefCfaOffset (int64_t Offset, SMLoc Loc={})

virtual void	emitCFIDefCfaRegister (int64_t Register, SMLoc Loc={})

virtual void	emitCFILLVMDefAspaceCfa (int64_t Register, int64_t Offset, int64_t AddressSpace, SMLoc Loc={})

virtual void	emitCFIOffset (int64_t Register, int64_t Offset, SMLoc Loc={})

virtual void	emitCFIPersonality (const MCSymbol *Sym, unsigned Encoding)

virtual void	emitCFILsda (const MCSymbol *Sym, unsigned Encoding)

virtual void	emitCFIRememberState (SMLoc Loc)

virtual void	emitCFIRestoreState (SMLoc Loc)

virtual void	emitCFISameValue (int64_t Register, SMLoc Loc={})

virtual void	emitCFIRestore (int64_t Register, SMLoc Loc={})

virtual void	emitCFIRelOffset (int64_t Register, int64_t Offset, SMLoc Loc)

virtual void	emitCFIAdjustCfaOffset (int64_t Adjustment, SMLoc Loc={})

virtual void	emitCFIEscape (StringRef Values, SMLoc Loc={})

virtual void	emitCFIReturnColumn (int64_t Register)

virtual void	emitCFIGnuArgsSize (int64_t Size, SMLoc Loc={})

virtual void	emitCFISignalFrame ()

virtual void	emitCFIUndefined (int64_t Register, SMLoc Loc={})

virtual void	emitCFIRegister (int64_t Register1, int64_t Register2, SMLoc Loc={})

virtual void	emitCFIWindowSave (SMLoc Loc={})

virtual void	emitCFINegateRAState (SMLoc Loc={})

virtual void	emitCFILabelDirective (SMLoc Loc, StringRef Name)

virtual void	emitWinCFIStartProc (const MCSymbol *Symbol, SMLoc Loc=SMLoc())

virtual void	emitWinCFIEndProc (SMLoc Loc=SMLoc())

virtual void	emitWinCFIFuncletOrFuncEnd (SMLoc Loc=SMLoc())
	This is used on platforms, such as Windows on ARM64, that require function or funclet sizes to be emitted in .xdata before the End marker is emitted for the frame.

virtual void	emitWinCFIStartChained (SMLoc Loc=SMLoc())

virtual void	emitWinCFIEndChained (SMLoc Loc=SMLoc())

virtual void	emitWinCFIPushReg (MCRegister Register, SMLoc Loc=SMLoc())

virtual void	emitWinCFISetFrame (MCRegister Register, unsigned Offset, SMLoc Loc=SMLoc())

virtual void	emitWinCFIAllocStack (unsigned Size, SMLoc Loc=SMLoc())

virtual void	emitWinCFISaveReg (MCRegister Register, unsigned Offset, SMLoc Loc=SMLoc())

virtual void	emitWinCFISaveXMM (MCRegister Register, unsigned Offset, SMLoc Loc=SMLoc())

virtual void	emitWinCFIPushFrame (bool Code, SMLoc Loc=SMLoc())

virtual void	emitWinCFIEndProlog (SMLoc Loc=SMLoc())

virtual void	emitWinEHHandler (const MCSymbol *Sym, bool Unwind, bool Except, SMLoc Loc=SMLoc())

virtual void	emitWinEHHandlerData (SMLoc Loc=SMLoc())

virtual void	emitCGProfileEntry (const MCSymbolRefExpr From, const MCSymbolRefExpr To, uint64_t Count)

MCSection *	getAssociatedPDataSection (const MCSection *TextSec)
	Get the .pdata section used for the given section.

MCSection *	getAssociatedXDataSection (const MCSection *TextSec)
	Get the .xdata section used for the given section.

virtual void	emitSyntaxDirective ()

virtual std::optional< std::pair< bool, std::string > >	emitRelocDirective (const MCExpr &Offset, StringRef Name, const MCExpr *Expr, SMLoc Loc, const MCSubtargetInfo &STI)
	Record a relocation described by the .reloc directive.

virtual void	emitAddrsig ()

virtual void	emitAddrsigSym (const MCSymbol *Sym)

virtual void	emitInstruction (const MCInst &Inst, const MCSubtargetInfo &STI)
	Emit the given `Instruction` into the current section.

virtual void	emitPseudoProbe (uint64_t Guid, uint64_t Index, uint64_t Type, uint64_t Attr, uint64_t Discriminator, const MCPseudoProbeInlineStack &InlineStack, MCSymbol *FnSym)
	Emit the a pseudo probe into the current section.

virtual void	emitBundleAlignMode (Align Alignment)
	Set the bundle alignment mode from now on in the section.

virtual void	emitBundleLock (bool AlignToEnd)
	The following instructions are a bundle-locked group.

virtual void	emitBundleUnlock ()
	Ends a bundle-locked group.

void	emitRawText (const Twine &String)
	If this file is backed by a assembly streamer, this dumps the specified string in the output .s file.

virtual void	finishImpl ()
	Streamer specific finalization.

void	finish (SMLoc EndLoc=SMLoc())
	Finish emission of machine code.

virtual bool	mayHaveInstructions (MCSection &Sec) const

void	maybeEmitDwarf64Mark ()
	Emit a special value of 0xffffffff if producing 64-bit debugging info.

virtual void	emitDwarfUnitLength (uint64_t Length, const Twine &Comment)
	Emit a unit length field.

virtual MCSymbol *	emitDwarfUnitLength (const Twine &Prefix, const Twine &Comment)
	Emit a unit length field.

virtual void	emitDwarfLineStartLabel (MCSymbol *StartSym)
	Emit the debug line start label.

virtual void	emitDwarfLineEndEntry (MCSection Section, MCSymbol LastLabel)
	Emit the debug line end entry.

virtual void	emitDwarfAdvanceLineAddr (int64_t LineDelta, const MCSymbol LastLabel, const MCSymbol Label, unsigned PointerSize)
	If targets does not support representing debug line section by .loc/.file directives in assembly output, we need to populate debug line section with raw debug line contents.

virtual void	doFinalizationAtSectionEnd (MCSection *Section)
	Do finalization for the streamer at the end of a section.

virtual bool	isVerboseAsm () const
	Return true if this streamer supports verbose assembly and if it is enabled.

virtual bool	hasRawTextSupport () const
	Return true if this asm streamer supports emitting unformatted text to the .s file with EmitRawText.

virtual void	AddComment (const Twine &T, bool EOL=true)
	Add a textual comment.

virtual raw_ostream &	getCommentOS ()
	Return a raw_ostream that comments can be written to.

virtual void	emitRawComment (const Twine &T, bool TabPrefix=true)
	Print T and prefix it with the comment string (normally #) and optionally a tab.

virtual void	addExplicitComment (const Twine &T)
	Add explicit comment T.

virtual void	emitExplicitComments ()
	Emit added explicit comments.

virtual void	addBlankLine ()
	Emit a blank line to a .s file to pretty it up.

MCSectionSubPair	getCurrentSection () const
	Return the current section that the streamer is emitting code to.

MCSection *	getCurrentSectionOnly () const

MCSectionSubPair	getPreviousSection () const
	Return the previous section that the streamer is emitting code to.

MCFragment *	getCurrentFragment () const

void	pushSection ()
	Save the current and previous section on the section stack.

bool	popSection ()
	Restore the current and previous section from the section stack.

bool	switchSection (MCSection Section, const MCExpr )

MCSymbol *	endSection (MCSection *Section)

virtual StringRef	getMnemonic (MCInst &MI)
	Returns the mnemonic for `MI`, if the streamer has access to a instruction printer and returns an empty string otherwise.

virtual void	emitEHSymAttributes (const MCSymbol Symbol, MCSymbol EHSymbol)

virtual void	emitLinkerOptions (ArrayRef< std::string > Kind)
	Emit the given list `Options` of strings as linker options into the output.

virtual void	emitDataRegion (MCDataRegionType Kind)
	Note in the output the specified region `Kind`.

virtual void	emitVersionMin (MCVersionMinType Type, unsigned Major, unsigned Minor, unsigned Update, VersionTuple SDKVersion)
	Specify the Mach-O minimum deployment target version.

virtual void	emitBuildVersion (unsigned Platform, unsigned Major, unsigned Minor, unsigned Update, VersionTuple SDKVersion)
	Emit/Specify Mach-O build version command.

virtual void	emitDarwinTargetVariantBuildVersion (unsigned Platform, unsigned Major, unsigned Minor, unsigned Update, VersionTuple SDKVersion)

void	emitVersionForTarget (const Triple &Target, const VersionTuple &SDKVersion, const Triple *DarwinTargetVariantTriple, const VersionTuple &DarwinTargetVariantSDKVersion)

virtual void	beginCOFFSymbolDef (const MCSymbol *Symbol)
	Start emitting COFF symbol definition.

virtual void	emitCOFFSymbolStorageClass (int StorageClass)
	Emit the storage class of the symbol.

virtual void	emitCOFFSymbolType (int Type)
	Emit the type of the symbol.

virtual void	endCOFFSymbolDef ()
	Marks the end of the symbol definition.

virtual void	emitCOFFSafeSEH (MCSymbol const *Symbol)

virtual void	emitCOFFSymbolIndex (MCSymbol const *Symbol)
	Emits the symbol table index of a Symbol into the current section.

virtual void	emitCOFFSectionIndex (MCSymbol const *Symbol)
	Emits a COFF section index.

virtual void	emitCOFFSecRel32 (MCSymbol const *Symbol, uint64_t Offset)
	Emits a COFF section relative relocation.

virtual void	emitCOFFImgRel32 (MCSymbol const *Symbol, int64_t Offset)
	Emits a COFF image relative relocation.

virtual void	emitXCOFFLocalCommonSymbol (MCSymbol LabelSym, uint64_t Size, MCSymbol CsectSym, Align Alignment)
	Emits an lcomm directive with XCOFF csect information.

virtual void	emitXCOFFSymbolLinkageWithVisibility (MCSymbol *Symbol, MCSymbolAttr Linkage, MCSymbolAttr Visibility)
	Emit a symbol's linkage and visibility with a linkage directive for XCOFF.

virtual void	emitXCOFFRenameDirective (const MCSymbol *Name, StringRef Rename)
	Emit a XCOFF .rename directive which creates a synonym for an illegal or undesirable name.

virtual void	emitXCOFFExceptDirective (const MCSymbol Symbol, const MCSymbol Trap, unsigned Lang, unsigned Reason, unsigned FunctionSize, bool hasDebug)
	Emit an XCOFF .except directive which adds information about a trap instruction to the object file exception section.

virtual void	emitXCOFFRefDirective (const MCSymbol *Symbol)
	Emit a XCOFF .ref directive which creates R_REF type entry in the relocation table for one or more symbols.

virtual void	emitXCOFFCInfoSym (StringRef Name, StringRef Metadata)
	Emit a C_INFO symbol with XCOFF embedded metadata to the .info section.

virtual void	emitLOHDirective (MCLOHType Kind, const MCLOHArgs &Args)
	Emit a Linker Optimization Hint (LOH) directive.

virtual void	emitBinaryData (StringRef Data)
	Functionally identical to EmitBytes.

void	emitValue (const MCExpr *Value, unsigned Size, SMLoc Loc=SMLoc())

virtual void	emitIntValue (const APInt &Value)

virtual void	emitIntValueInHex (uint64_t Value, unsigned Size)
	Special case of EmitValue that avoids the client having to pass in a MCExpr for constant integers & prints in Hex format for certain modes.

void	emitInt8 (uint64_t Value)

void	emitInt16 (uint64_t Value)

void	emitInt32 (uint64_t Value)

void	emitInt64 (uint64_t Value)

virtual void	emitIntValueInHexWithPadding (uint64_t Value, unsigned Size)
	Special case of EmitValue that avoids the client having to pass in a MCExpr for constant integers & prints in Hex format for certain modes, pads the field with leading zeros to Size width.

unsigned	emitULEB128IntValue (uint64_t Value, unsigned PadTo=0)
	Special case of EmitULEB128Value that avoids the client having to pass in a MCExpr for constant integers.

unsigned	emitSLEB128IntValue (int64_t Value)
	Special case of EmitSLEB128Value that avoids the client having to pass in a MCExpr for constant integers.

void	emitSymbolValue (const MCSymbol *Sym, unsigned Size, bool IsSectionRelative=false)
	Special case of EmitValue that avoids the client having to pass in a MCExpr for MCSymbols.

void	emitFill (uint64_t NumBytes, uint8_t FillValue)
	Emit NumBytes bytes worth of the value specified by FillValue.

void	emitZeros (uint64_t NumBytes)
	Emit NumBytes worth of zeros.

Additional Inherited Members
Public Attributes inherited from llvm::MCELFStreamer
SmallVector< AttributeItem, 64 >	Contents

Protected Member Functions inherited from llvm::MCObjectStreamer
	MCObjectStreamer (MCContext &Context, std::unique_ptr< MCAsmBackend > TAB, std::unique_ptr< MCObjectWriter > OW, std::unique_ptr< MCCodeEmitter > Emitter)

	~MCObjectStreamer ()

bool	changeSectionImpl (MCSection *Section, uint32_t Subsection)

Protected Member Functions inherited from llvm::MCStreamer
	MCStreamer (MCContext &Ctx)

virtual void	changeSection (MCSection *, uint32_t)
	This is called by popSection and switchSection, if the current section changes.

virtual void	emitCFIStartProcImpl (MCDwarfFrameInfo &Frame)

virtual void	emitCFIEndProcImpl (MCDwarfFrameInfo &CurFrame)

WinEH::FrameInfo *	getCurrentWinFrameInfo ()

virtual void	emitWindowsUnwindTables (WinEH::FrameInfo *Frame)

virtual void	emitWindowsUnwindTables ()

virtual void	emitRawTextImpl (StringRef String)
	EmitRawText - If this file is backed by an assembly streamer, this dumps the specified string in the output .s file.

bool	checkCVLocSection (unsigned FuncId, unsigned FileNo, SMLoc Loc)
	Returns true if the .cv_loc directive is in the right section.

Protected Attributes inherited from llvm::MCStreamer
MCFragment *	CurFrag = nullptr

Detailed Description

Definition at line 30 of file MipsELFStreamer.h.

Constructor & Destructor Documentation

◆ MipsELFStreamer()

MipsELFStreamer::MipsELFStreamer	(	MCContext &	Context,
		std::unique_ptr< MCAsmBackend >	MAB,
		std::unique_ptr< MCObjectWriter >	OW,
		std::unique_ptr< MCCodeEmitter >	Emitter
	)

Definition at line 25 of file MipsELFStreamer.cpp.

Member Function Documentation

◆ createPendingLabelRelocs()

void MipsELFStreamer::createPendingLabelRelocs ( )

Mark labels as microMIPS, if necessary for the subtarget.

Definition at line 72 of file MipsELFStreamer.cpp.

References llvm::MCObjectStreamer::getAssembler(), llvm::MCStreamer::getTargetStreamer(), llvm::MipsTargetELFStreamer::isMicroMipsEnabled(), llvm::MCAssembler::registerSymbol(), and llvm::ELF::STO_MIPS_MICROMIPS.

Referenced by llvm::MipsTargetELFStreamer::emitDirectiveInsn(), and emitInstruction().

◆ emitCFIEndProcImpl()

void MipsELFStreamer::emitCFIEndProcImpl ( MCDwarfFrameInfo & Frame )

overridevirtual

Reimplemented from llvm::MCObjectStreamer.

Definition at line 67 of file MipsELFStreamer.cpp.

References llvm::MCContext::createTempSymbol(), llvm::MCELFStreamer::emitLabel(), llvm::MCDwarfFrameInfo::End, and llvm::MCStreamer::getContext().

◆ emitCFILabel()

MCSymbol * MipsELFStreamer::emitCFILabel ( )

overridevirtual

When emitting an object file, create and emit a real label.

When emitting textual assembly, this should do nothing to avoid polluting our output.

Reimplemented from llvm::MCObjectStreamer.

Definition at line 61 of file MipsELFStreamer.cpp.

References llvm::MCContext::createTempSymbol(), llvm::MCELFStreamer::emitLabel(), and llvm::MCStreamer::getContext().

◆ emitCFIStartProcImpl()

void MipsELFStreamer::emitCFIStartProcImpl ( MCDwarfFrameInfo & Frame )

overridevirtual

Reimplemented from llvm::MCObjectStreamer.

Definition at line 56 of file MipsELFStreamer.cpp.

References llvm::MCDwarfFrameInfo::Begin, llvm::MCContext::createTempSymbol(), llvm::MCELFStreamer::emitLabel(), and llvm::MCStreamer::getContext().

◆ emitInstruction()

void MipsELFStreamer::emitInstruction	(	const MCInst &	Inst,
		const MCSubtargetInfo &	STI
	)

overridevirtual

Overriding this function allows us to add arbitrary behaviour before the Inst is actually emitted.

For example, we can inspect the operands and gather sufficient information that allows us to reason about the register usage for the translation unit.

Reimplemented from llvm::MCObjectStreamer.

Definition at line 36 of file MipsELFStreamer.cpp.

References createPendingLabelRelocs(), llvm::MCObjectStreamer::emitInstruction(), llvm::MCStreamer::getContext(), llvm::MCInst::getNumOperands(), llvm::MCInst::getOperand(), llvm::MCContext::getRegisterInfo(), OpIndex, and llvm::MipsRegInfoRecord::SetPhysRegUsed().

◆ emitIntValue()

void MipsELFStreamer::emitIntValue	(	uint64_t	Value,
		unsigned	Size
	)

overridevirtual

Special case of EmitValue that avoids the client having to pass in a MCExpr for constant integers.

EmitIntValue - Special case of EmitValue that avoids the client having to pass in a MCExpr for constant integers.

Reimplemented from llvm::MCStreamer.

Definition at line 104 of file MipsELFStreamer.cpp.

References llvm::MCStreamer::emitIntValue(), and Size.

Referenced by llvm::MipsRegInfoRecord::EmitMipsOptionRecord().

◆ emitLabel()

void MipsELFStreamer::emitLabel	(	MCSymbol *	Symbol,
		SMLoc	Loc = `SMLoc()`
	)

overridevirtual

Overriding this function allows us to record all labels that should be marked as microMIPS.

Based on this data marking is done in EmitInstruction.

Reimplemented from llvm::MCELFStreamer.

Definition at line 88 of file MipsELFStreamer.cpp.

References llvm::MCELFStreamer::emitLabel().

◆ EmitMipsOptionRecords()

void MipsELFStreamer::EmitMipsOptionRecords ( )

Emits all the option records stored up until the point it's called.

Definition at line 109 of file MipsELFStreamer.cpp.

References I.

Referenced by llvm::MipsTargetELFStreamer::finish().

◆ emitValueImpl()

void MipsELFStreamer::emitValueImpl	(	const MCExpr *	Value,
		unsigned	Size,
		SMLoc	Loc
	)

overridevirtual

Overriding these functions allows us to dismiss all labels that are candidates for marking as microMIPS when .word/.long/.4byte etc directives are emitted.

Reimplemented from llvm::MCELFStreamer.

Definition at line 98 of file MipsELFStreamer.cpp.

References llvm::MCELFStreamer::emitValueImpl(), and Size.

◆ switchSection()

void MipsELFStreamer::switchSection	(	MCSection *	Section,
		uint32_t	Subsection = `0`
	)

overridevirtual

Overriding this function allows us to dismiss all labels that are candidates for marking as microMIPS when .section directive is processed.

Reimplemented from llvm::MCStreamer.

Definition at line 93 of file MipsELFStreamer.cpp.

References llvm::MCStreamer::switchSection().

Referenced by llvm::MipsRegInfoRecord::EmitMipsOptionRecord().

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

lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h
lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ MipsELFStreamer()

Member Function Documentation

◆ createPendingLabelRelocs()

◆ emitCFIEndProcImpl()

◆ emitCFILabel()

◆ emitCFIStartProcImpl()

◆ emitInstruction()

◆ emitIntValue()

◆ emitLabel()

◆ EmitMipsOptionRecords()

◆ emitValueImpl()

◆ switchSection()