#pragma once #ifdef __GNUC__ #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wunused-parameter" #endif //===-- llvm/MC/MCAsmInfo.h - Asm info --------------------------*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file contains a class to be used as the basis for target specific // asm writers. This class primarily takes care of global printing constants, // which are used in very similar ways across all targets. // //===----------------------------------------------------------------------===// #ifndef LLVM_MC_MCASMINFO_H #define LLVM_MC_MCASMINFO_H #include "llvm/ADT/StringRef.h" #include "llvm/MC/MCDirectives.h" #include "llvm/MC/MCTargetOptions.h" #include namespace llvm { class MCContext; class MCCFIInstruction; class MCExpr; class MCSection; class MCStreamer; class MCSubtargetInfo; class MCSymbol; namespace WinEH { enum class EncodingType { Invalid, /// Invalid Alpha, /// Windows Alpha Alpha64, /// Windows AXP64 ARM, /// Windows NT (Windows on ARM) CE, /// Windows CE ARM, PowerPC, SH3, SH4 Itanium, /// Windows x64, Windows Itanium (IA-64) X86, /// Windows x86, uses no CFI, just EH tables MIPS = Alpha, }; } // end namespace WinEH namespace LCOMM { enum LCOMMType { NoAlignment, ByteAlignment, Log2Alignment }; } // end namespace LCOMM /// This class is intended to be used as a base class for asm /// properties and features specific to the target. class MCAsmInfo { public: /// Assembly character literal syntax types. enum AsmCharLiteralSyntax { ACLS_Unknown, /// Unknown; character literals not used by LLVM for this /// target. ACLS_SingleQuotePrefix, /// The desired character is prefixed by a single /// quote, e.g., `'A`. }; protected: //===------------------------------------------------------------------===// // Properties to be set by the target writer, used to configure asm printer. // /// Code pointer size in bytes. Default is 4. unsigned CodePointerSize = 4; /// Size of the stack slot reserved for callee-saved registers, in bytes. /// Default is same as pointer size. unsigned CalleeSaveStackSlotSize = 4; /// True if target is little endian. Default is true. bool IsLittleEndian = true; /// True if target stack grow up. Default is false. bool StackGrowsUp = false; /// True if this target has the MachO .subsections_via_symbols directive. /// Default is false. bool HasSubsectionsViaSymbols = false; /// True if this is a MachO target that supports the macho-specific .zerofill /// directive for emitting BSS Symbols. Default is false. bool HasMachoZeroFillDirective = false; /// True if this is a MachO target that supports the macho-specific .tbss /// directive for emitting thread local BSS Symbols. Default is false. bool HasMachoTBSSDirective = false; /// True if this is a non-GNU COFF target. The COFF port of the GNU linker /// doesn't handle associative comdats in the way that we would like to use /// them. bool HasCOFFAssociativeComdats = false; /// True if this is a non-GNU COFF target. For GNU targets, we don't generate /// constants into comdat sections. bool HasCOFFComdatConstants = false; /// True if this is an XCOFF target that supports visibility attributes as /// part of .global, .weak, .extern, and .comm. Default is false. bool HasVisibilityOnlyWithLinkage = false; /// This is the maximum possible length of an instruction, which is needed to /// compute the size of an inline asm. Defaults to 4. unsigned MaxInstLength = 4; /// Every possible instruction length is a multiple of this value. Factored /// out in .debug_frame and .debug_line. Defaults to 1. unsigned MinInstAlignment = 1; /// The '$' token, when not referencing an identifier or constant, refers to /// the current PC. Defaults to false. bool DollarIsPC = false; /// Allow '.' token, when not referencing an identifier or constant, to refer /// to the current PC. Defaults to true. bool DotIsPC = true; /// Whether the '*' token refers to the current PC. This is used for the /// HLASM dialect. bool StarIsPC = false; /// This string, if specified, is used to separate instructions from each /// other when on the same line. Defaults to ';' const char *SeparatorString; /// This indicates the comment string used by the assembler. Defaults to /// "#" StringRef CommentString; /// This indicates whether the comment string is only accepted as a comment /// at the beginning of statements. Defaults to false. bool RestrictCommentStringToStartOfStatement = false; /// This indicates whether to allow additional "comment strings" to be lexed /// as a comment. Setting this attribute to true, will ensure that C-style /// line comments (// ..), C-style block comments (/* .. */), and "#" are /// all treated as comments in addition to the string specified by the /// CommentString attribute. /// Default is true. bool AllowAdditionalComments = true; /// Should we emit the '\t' as the starting indentation marker for GNU inline /// asm statements. Defaults to true. bool EmitGNUAsmStartIndentationMarker = true; /// This is appended to emitted labels. Defaults to ":" const char *LabelSuffix; /// Emit labels in purely upper case. Defaults to false. bool EmitLabelsInUpperCase = false; // Print the EH begin symbol with an assignment. Defaults to false. bool UseAssignmentForEHBegin = false; // Do we need to create a local symbol for .size? bool NeedsLocalForSize = false; /// This prefix is used for globals like constant pool entries that are /// completely private to the .s file and should not have names in the .o /// file. Defaults to "L" StringRef PrivateGlobalPrefix; /// This prefix is used for labels for basic blocks. Defaults to the same as /// PrivateGlobalPrefix. StringRef PrivateLabelPrefix; /// This prefix is used for symbols that should be passed through the /// assembler but be removed by the linker. This is 'l' on Darwin, currently /// used for some ObjC metadata. The default of "" meast that for this system /// a plain private symbol should be used. Defaults to "". StringRef LinkerPrivateGlobalPrefix; /// If these are nonempty, they contain a directive to emit before and after /// an inline assembly statement. Defaults to "#APP\n", "#NO_APP\n" const char *InlineAsmStart; const char *InlineAsmEnd; /// These are assembly directives that tells the assembler to interpret the /// following instructions differently. Defaults to ".code16", ".code32", /// ".code64". const char *Code16Directive; const char *Code32Directive; const char *Code64Directive; /// Which dialect of an assembler variant to use. Defaults to 0 unsigned AssemblerDialect = 0; /// This is true if the assembler allows @ characters in symbol names. /// Defaults to false. bool AllowAtInName = false; /// This is true if the assembler allows the "?" character at the start of /// of a string to be lexed as an AsmToken::Identifier. /// If the AsmLexer determines that the string can be lexed as a possible /// comment, setting this option will have no effect, and the string will /// still be lexed as a comment. bool AllowQuestionAtStartOfIdentifier = false; /// This is true if the assembler allows the "$" character at the start of /// of a string to be lexed as an AsmToken::Identifier. /// If the AsmLexer determines that the string can be lexed as a possible /// comment, setting this option will have no effect, and the string will /// still be lexed as a comment. bool AllowDollarAtStartOfIdentifier = false; /// This is true if the assembler allows the "@" character at the start of /// a string to be lexed as an AsmToken::Identifier. /// If the AsmLexer determines that the string can be lexed as a possible /// comment, setting this option will have no effect, and the string will /// still be lexed as a comment. bool AllowAtAtStartOfIdentifier = false; /// This is true if the assembler allows the "#" character at the start of /// a string to be lexed as an AsmToken::Identifier. /// If the AsmLexer determines that the string can be lexed as a possible /// comment, setting this option will have no effect, and the string will /// still be lexed as a comment. bool AllowHashAtStartOfIdentifier = false; /// If this is true, symbol names with invalid characters will be printed in /// quotes. bool SupportsQuotedNames = true; /// This is true if data region markers should be printed as /// ".data_region/.end_data_region" directives. If false, use "$d/$a" labels /// instead. bool UseDataRegionDirectives = false; /// True if .align is to be used for alignment. Only power-of-two /// alignment is supported. bool UseDotAlignForAlignment = false; /// True if the target supports LEB128 directives. bool HasLEB128Directives = true; //===--- Data Emission Directives -------------------------------------===// /// This should be set to the directive used to get some number of zero (and /// non-zero if supported by the directive) bytes emitted to the current /// section. Common cases are "\t.zero\t" and "\t.space\t". Defaults to /// "\t.zero\t" const char *ZeroDirective; /// This should be set to true if the zero directive supports a value to emit /// other than zero. If this is set to false, the Data*bitsDirective's will be /// used to emit these bytes. Defaults to true. bool ZeroDirectiveSupportsNonZeroValue = true; /// This directive allows emission of an ascii string with the standard C /// escape characters embedded into it. If a target doesn't support this, it /// can be set to null. Defaults to "\t.ascii\t" const char *AsciiDirective; /// If not null, this allows for special handling of zero terminated strings /// on this target. This is commonly supported as ".asciz". If a target /// doesn't support this, it can be set to null. Defaults to "\t.asciz\t" const char *AscizDirective; /// This directive accepts a comma-separated list of bytes for emission as a /// string of bytes. For targets that do not support this, it shall be set to /// null. Defaults to null. const char *ByteListDirective = nullptr; /// This directive allows emission of a zero-terminated ascii string without /// the standard C escape characters embedded into it. If a target doesn't /// support this, it can be set to null. Defaults to null. const char *PlainStringDirective = nullptr; /// Form used for character literals in the assembly syntax. Useful for /// producing strings as byte lists. If a target does not use or support /// this, it shall be set to ACLS_Unknown. Defaults to ACLS_Unknown. AsmCharLiteralSyntax CharacterLiteralSyntax = ACLS_Unknown; /// These directives are used to output some unit of integer data to the /// current section. If a data directive is set to null, smaller data /// directives will be used to emit the large sizes. Defaults to "\t.byte\t", /// "\t.short\t", "\t.long\t", "\t.quad\t" const char *Data8bitsDirective; const char *Data16bitsDirective; const char *Data32bitsDirective; const char *Data64bitsDirective; /// True if data directives support signed values bool SupportsSignedData = true; /// If non-null, a directive that is used to emit a word which should be /// relocated as a 64-bit GP-relative offset, e.g. .gpdword on Mips. Defaults /// to nullptr. const char *GPRel64Directive = nullptr; /// If non-null, a directive that is used to emit a word which should be /// relocated as a 32-bit GP-relative offset, e.g. .gpword on Mips or .gprel32 /// on Alpha. Defaults to nullptr. const char *GPRel32Directive = nullptr; /// If non-null, directives that are used to emit a word/dword which should /// be relocated as a 32/64-bit DTP/TP-relative offset, e.g. .dtprelword/ /// .dtpreldword/.tprelword/.tpreldword on Mips. const char *DTPRel32Directive = nullptr; const char *DTPRel64Directive = nullptr; const char *TPRel32Directive = nullptr; const char *TPRel64Directive = nullptr; /// This is true if this target uses "Sun Style" syntax for section switching /// ("#alloc,#write" etc) instead of the normal ELF syntax (,"a,w") in /// .section directives. Defaults to false. bool SunStyleELFSectionSwitchSyntax = false; /// This is true if this target uses ELF '.section' directive before the /// '.bss' one. It's used for PPC/Linux which doesn't support the '.bss' /// directive only. Defaults to false. bool UsesELFSectionDirectiveForBSS = false; bool NeedsDwarfSectionOffsetDirective = false; //===--- Alignment Information ----------------------------------------===// /// If this is true (the default) then the asmprinter emits ".align N" /// directives, where N is the number of bytes to align to. Otherwise, it /// emits ".align log2(N)", e.g. 3 to align to an 8 byte boundary. Defaults /// to true. bool AlignmentIsInBytes = true; /// If non-zero, this is used to fill the executable space created as the /// result of a alignment directive. Defaults to 0 unsigned TextAlignFillValue = 0; //===--- Global Variable Emission Directives --------------------------===// /// This is the directive used to declare a global entity. Defaults to /// ".globl". const char *GlobalDirective; /// True if the expression /// .long f - g /// uses a relocation but it can be suppressed by writing /// a = f - g /// .long a bool SetDirectiveSuppressesReloc = false; /// False if the assembler requires that we use /// \code /// Lc = a - b /// .long Lc /// \endcode // /// instead of // /// \code /// .long a - b /// \endcode /// /// Defaults to true. bool HasAggressiveSymbolFolding = true; /// True is .comm's and .lcomms optional alignment is to be specified in bytes /// instead of log2(n). Defaults to true. bool COMMDirectiveAlignmentIsInBytes = true; /// Describes if the .lcomm directive for the target supports an alignment /// argument and how it is interpreted. Defaults to NoAlignment. LCOMM::LCOMMType LCOMMDirectiveAlignmentType = LCOMM::NoAlignment; /// True if the target only has basename for .file directive. False if the /// target also needs the directory along with the basename. Defaults to true. bool HasBasenameOnlyForFileDirective = true; /// True if the target represents string constants as mostly raw characters in /// paired double quotation with paired double quotation marks as the escape /// mechanism to represent a double quotation mark within the string. Defaults /// to false. bool HasPairedDoubleQuoteStringConstants = false; // True if the target allows .align directives on functions. This is true for // most targets, so defaults to true. bool HasFunctionAlignment = true; /// True if the target has .type and .size directives, this is true for most /// ELF targets. Defaults to true. bool HasDotTypeDotSizeDirective = true; /// True if the target has a single parameter .file directive, this is true /// for ELF targets. Defaults to true. bool HasSingleParameterDotFile = true; /// True if the target has a four strings .file directive, strings seperated /// by comma. Defaults to false. bool HasFourStringsDotFile = false; /// True if the target has a .ident directive, this is true for ELF targets. /// Defaults to false. bool HasIdentDirective = false; /// True if this target supports the MachO .no_dead_strip directive. Defaults /// to false. bool HasNoDeadStrip = false; /// True if this target supports the MachO .alt_entry directive. Defaults to /// false. bool HasAltEntry = false; /// Used to declare a global as being a weak symbol. Defaults to ".weak". const char *WeakDirective; /// This directive, if non-null, is used to declare a global as being a weak /// undefined symbol. Defaults to nullptr. const char *WeakRefDirective = nullptr; /// True if we have a directive to declare a global as being a weak defined /// symbol. Defaults to false. bool HasWeakDefDirective = false; /// True if we have a directive to declare a global as being a weak defined /// symbol that can be hidden (unexported). Defaults to false. bool HasWeakDefCanBeHiddenDirective = false; /// True if we should mark symbols as global instead of weak, for /// weak*/linkonce*, if the symbol has a comdat. /// Defaults to false. bool AvoidWeakIfComdat = false; /// This attribute, if not MCSA_Invalid, is used to declare a symbol as having /// hidden visibility. Defaults to MCSA_Hidden. MCSymbolAttr HiddenVisibilityAttr = MCSA_Hidden; /// This attribute, if not MCSA_Invalid, is used to declare an undefined /// symbol as having hidden visibility. Defaults to MCSA_Hidden. MCSymbolAttr HiddenDeclarationVisibilityAttr = MCSA_Hidden; /// This attribute, if not MCSA_Invalid, is used to declare a symbol as having /// protected visibility. Defaults to MCSA_Protected MCSymbolAttr ProtectedVisibilityAttr = MCSA_Protected; //===--- Dwarf Emission Directives -----------------------------------===// /// True if target supports emission of debugging information. Defaults to /// false. bool SupportsDebugInformation = false; /// Exception handling format for the target. Defaults to None. ExceptionHandling ExceptionsType = ExceptionHandling::None; /// True if target uses CFI unwind information for debugging purpose when /// `ExceptionsType == ExceptionHandling::None`. bool UsesCFIForDebug = false; /// Windows exception handling data (.pdata) encoding. Defaults to Invalid. WinEH::EncodingType WinEHEncodingType = WinEH::EncodingType::Invalid; /// True if Dwarf2 output generally uses relocations for references to other /// .debug_* sections. bool DwarfUsesRelocationsAcrossSections = true; /// True if DWARF FDE symbol reference relocations should be replaced by an /// absolute difference. bool DwarfFDESymbolsUseAbsDiff = false; /// True if the target supports generating the DWARF line table through using /// the .loc/.file directives. Defaults to true. bool UsesDwarfFileAndLocDirectives = true; /// True if the target needs the DWARF section length in the header (if any) /// of the DWARF section in the assembly file. Defaults to true. bool DwarfSectionSizeRequired = true; /// True if dwarf register numbers are printed instead of symbolic register /// names in .cfi_* directives. Defaults to false. bool DwarfRegNumForCFI = false; /// True if target uses parens to indicate the symbol variant instead of @. /// For example, foo(plt) instead of foo@plt. Defaults to false. bool UseParensForSymbolVariant = false; /// True if the target supports flags in ".loc" directive, false if only /// location is allowed. bool SupportsExtendedDwarfLocDirective = true; //===--- Prologue State ----------------------------------------------===// std::vector InitialFrameState; //===--- Integrated Assembler Information ----------------------------===// // Generated object files can use all ELF features supported by GNU ld of // this binutils version and later. INT_MAX means all features can be used, // regardless of GNU ld support. The default value is referenced by // clang/Driver/Options.td. std::pair BinutilsVersion = {2, 26}; /// Should we use the integrated assembler? /// The integrated assembler should be enabled by default (by the /// constructors) when failing to parse a valid piece of assembly (inline /// or otherwise) is considered a bug. It may then be overridden after /// construction (see LLVMTargetMachine::initAsmInfo()). bool UseIntegratedAssembler; /// Use AsmParser to parse inlineAsm when UseIntegratedAssembler is not set. bool ParseInlineAsmUsingAsmParser; /// Preserve Comments in assembly bool PreserveAsmComments; /// Compress DWARF debug sections. Defaults to no compression. DebugCompressionType CompressDebugSections = DebugCompressionType::None; /// True if the integrated assembler should interpret 'a >> b' constant /// expressions as logical rather than arithmetic. bool UseLogicalShr = true; // If true, emit GOTPCRELX/REX_GOTPCRELX instead of GOTPCREL, on // X86_64 ELF. bool RelaxELFRelocations = true; // If true, then the lexer and expression parser will support %neg(), // %hi(), and similar unary operators. bool HasMipsExpressions = false; // If true, use Motorola-style integers in Assembly (ex. $0ac). bool UseMotorolaIntegers = false; // If true, emit function descriptor symbol on AIX. bool NeedsFunctionDescriptors = false; public: explicit MCAsmInfo(); virtual ~MCAsmInfo(); /// Get the code pointer size in bytes. unsigned getCodePointerSize() const { return CodePointerSize; } /// Get the callee-saved register stack slot /// size in bytes. unsigned getCalleeSaveStackSlotSize() const { return CalleeSaveStackSlotSize; } /// True if the target is little endian. bool isLittleEndian() const { return IsLittleEndian; } /// True if target stack grow up. bool isStackGrowthDirectionUp() const { return StackGrowsUp; } bool hasSubsectionsViaSymbols() const { return HasSubsectionsViaSymbols; } // Data directive accessors. const char *getData8bitsDirective() const { return Data8bitsDirective; } const char *getData16bitsDirective() const { return Data16bitsDirective; } const char *getData32bitsDirective() const { return Data32bitsDirective; } const char *getData64bitsDirective() const { return Data64bitsDirective; } bool supportsSignedData() const { return SupportsSignedData; } const char *getGPRel64Directive() const { return GPRel64Directive; } const char *getGPRel32Directive() const { return GPRel32Directive; } const char *getDTPRel64Directive() const { return DTPRel64Directive; } const char *getDTPRel32Directive() const { return DTPRel32Directive; } const char *getTPRel64Directive() const { return TPRel64Directive; } const char *getTPRel32Directive() const { return TPRel32Directive; } /// Targets can implement this method to specify a section to switch to if the /// translation unit doesn't have any trampolines that require an executable /// stack. virtual MCSection *getNonexecutableStackSection(MCContext &Ctx) const { return nullptr; } /// True if the section is atomized using the symbols in it. /// This is false if the section is not atomized at all (most ELF sections) or /// if it is atomized based on its contents (MachO' __TEXT,__cstring for /// example). virtual bool isSectionAtomizableBySymbols(const MCSection &Section) const; virtual const MCExpr *getExprForPersonalitySymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const; virtual const MCExpr *getExprForFDESymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const; /// Return true if C is an acceptable character inside a symbol name. virtual bool isAcceptableChar(char C) const; /// Return true if the identifier \p Name does not need quotes to be /// syntactically correct. virtual bool isValidUnquotedName(StringRef Name) const; /// Return true if the .section directive should be omitted when /// emitting \p SectionName. For example: /// /// shouldOmitSectionDirective(".text") /// /// returns false => .section .text,#alloc,#execinstr /// returns true => .text virtual bool shouldOmitSectionDirective(StringRef SectionName) const; bool usesSunStyleELFSectionSwitchSyntax() const { return SunStyleELFSectionSwitchSyntax; } bool usesELFSectionDirectiveForBSS() const { return UsesELFSectionDirectiveForBSS; } bool needsDwarfSectionOffsetDirective() const { return NeedsDwarfSectionOffsetDirective; } // Accessors. bool hasMachoZeroFillDirective() const { return HasMachoZeroFillDirective; } bool hasMachoTBSSDirective() const { return HasMachoTBSSDirective; } bool hasCOFFAssociativeComdats() const { return HasCOFFAssociativeComdats; } bool hasCOFFComdatConstants() const { return HasCOFFComdatConstants; } bool hasVisibilityOnlyWithLinkage() const { return HasVisibilityOnlyWithLinkage; } /// Returns the maximum possible encoded instruction size in bytes. If \p STI /// is null, this should be the maximum size for any subtarget. virtual unsigned getMaxInstLength(const MCSubtargetInfo *STI = nullptr) const { return MaxInstLength; } unsigned getMinInstAlignment() const { return MinInstAlignment; } bool getDollarIsPC() const { return DollarIsPC; } bool getDotIsPC() const { return DotIsPC; } bool getStarIsPC() const { return StarIsPC; } const char *getSeparatorString() const { return SeparatorString; } /// This indicates the column (zero-based) at which asm comments should be /// printed. unsigned getCommentColumn() const { return 40; } StringRef getCommentString() const { return CommentString; } bool getRestrictCommentStringToStartOfStatement() const { return RestrictCommentStringToStartOfStatement; } bool shouldAllowAdditionalComments() const { return AllowAdditionalComments; } bool getEmitGNUAsmStartIndentationMarker() const { return EmitGNUAsmStartIndentationMarker; } const char *getLabelSuffix() const { return LabelSuffix; } bool shouldEmitLabelsInUpperCase() const { return EmitLabelsInUpperCase; } bool useAssignmentForEHBegin() const { return UseAssignmentForEHBegin; } bool needsLocalForSize() const { return NeedsLocalForSize; } StringRef getPrivateGlobalPrefix() const { return PrivateGlobalPrefix; } StringRef getPrivateLabelPrefix() const { return PrivateLabelPrefix; } bool hasLinkerPrivateGlobalPrefix() const { return !LinkerPrivateGlobalPrefix.empty(); } StringRef getLinkerPrivateGlobalPrefix() const { if (hasLinkerPrivateGlobalPrefix()) return LinkerPrivateGlobalPrefix; return getPrivateGlobalPrefix(); } const char *getInlineAsmStart() const { return InlineAsmStart; } const char *getInlineAsmEnd() const { return InlineAsmEnd; } const char *getCode16Directive() const { return Code16Directive; } const char *getCode32Directive() const { return Code32Directive; } const char *getCode64Directive() const { return Code64Directive; } unsigned getAssemblerDialect() const { return AssemblerDialect; } bool doesAllowAtInName() const { return AllowAtInName; } bool doesAllowQuestionAtStartOfIdentifier() const { return AllowQuestionAtStartOfIdentifier; } bool doesAllowAtAtStartOfIdentifier() const { return AllowAtAtStartOfIdentifier; } bool doesAllowDollarAtStartOfIdentifier() const { return AllowDollarAtStartOfIdentifier; } bool doesAllowHashAtStartOfIdentifier() const { return AllowHashAtStartOfIdentifier; } bool supportsNameQuoting() const { return SupportsQuotedNames; } bool doesSupportDataRegionDirectives() const { return UseDataRegionDirectives; } bool useDotAlignForAlignment() const { return UseDotAlignForAlignment; } bool hasLEB128Directives() const { return HasLEB128Directives; } const char *getZeroDirective() const { return ZeroDirective; } bool doesZeroDirectiveSupportNonZeroValue() const { return ZeroDirectiveSupportsNonZeroValue; } const char *getAsciiDirective() const { return AsciiDirective; } const char *getAscizDirective() const { return AscizDirective; } const char *getByteListDirective() const { return ByteListDirective; } const char *getPlainStringDirective() const { return PlainStringDirective; } AsmCharLiteralSyntax characterLiteralSyntax() const { return CharacterLiteralSyntax; } bool getAlignmentIsInBytes() const { return AlignmentIsInBytes; } unsigned getTextAlignFillValue() const { return TextAlignFillValue; } const char *getGlobalDirective() const { return GlobalDirective; } bool doesSetDirectiveSuppressReloc() const { return SetDirectiveSuppressesReloc; } bool hasAggressiveSymbolFolding() const { return HasAggressiveSymbolFolding; } bool getCOMMDirectiveAlignmentIsInBytes() const { return COMMDirectiveAlignmentIsInBytes; } LCOMM::LCOMMType getLCOMMDirectiveAlignmentType() const { return LCOMMDirectiveAlignmentType; } bool hasBasenameOnlyForFileDirective() const { return HasBasenameOnlyForFileDirective; } bool hasPairedDoubleQuoteStringConstants() const { return HasPairedDoubleQuoteStringConstants; } bool hasFunctionAlignment() const { return HasFunctionAlignment; } bool hasDotTypeDotSizeDirective() const { return HasDotTypeDotSizeDirective; } bool hasSingleParameterDotFile() const { return HasSingleParameterDotFile; } bool hasFourStringsDotFile() const { return HasFourStringsDotFile; } bool hasIdentDirective() const { return HasIdentDirective; } bool hasNoDeadStrip() const { return HasNoDeadStrip; } bool hasAltEntry() const { return HasAltEntry; } const char *getWeakDirective() const { return WeakDirective; } const char *getWeakRefDirective() const { return WeakRefDirective; } bool hasWeakDefDirective() const { return HasWeakDefDirective; } bool hasWeakDefCanBeHiddenDirective() const { return HasWeakDefCanBeHiddenDirective; } bool avoidWeakIfComdat() const { return AvoidWeakIfComdat; } MCSymbolAttr getHiddenVisibilityAttr() const { return HiddenVisibilityAttr; } MCSymbolAttr getHiddenDeclarationVisibilityAttr() const { return HiddenDeclarationVisibilityAttr; } MCSymbolAttr getProtectedVisibilityAttr() const { return ProtectedVisibilityAttr; } bool doesSupportDebugInformation() const { return SupportsDebugInformation; } ExceptionHandling getExceptionHandlingType() const { return ExceptionsType; } WinEH::EncodingType getWinEHEncodingType() const { return WinEHEncodingType; } void setExceptionsType(ExceptionHandling EH) { ExceptionsType = EH; } bool doesUseCFIForDebug() const { return UsesCFIForDebug; } /// Returns true if the exception handling method for the platform uses call /// frame information to unwind. bool usesCFIForEH() const { return (ExceptionsType == ExceptionHandling::DwarfCFI || ExceptionsType == ExceptionHandling::ARM || usesWindowsCFI()); } bool usesWindowsCFI() const { return ExceptionsType == ExceptionHandling::WinEH && (WinEHEncodingType != WinEH::EncodingType::Invalid && WinEHEncodingType != WinEH::EncodingType::X86); } bool doesDwarfUseRelocationsAcrossSections() const { return DwarfUsesRelocationsAcrossSections; } bool doDwarfFDESymbolsUseAbsDiff() const { return DwarfFDESymbolsUseAbsDiff; } bool useDwarfRegNumForCFI() const { return DwarfRegNumForCFI; } bool useParensForSymbolVariant() const { return UseParensForSymbolVariant; } bool supportsExtendedDwarfLocDirective() const { return SupportsExtendedDwarfLocDirective; } bool usesDwarfFileAndLocDirectives() const { return UsesDwarfFileAndLocDirectives; } bool needsDwarfSectionSizeInHeader() const { return DwarfSectionSizeRequired; } void addInitialFrameState(const MCCFIInstruction &Inst); const std::vector &getInitialFrameState() const { return InitialFrameState; } void setBinutilsVersion(std::pair Value) { BinutilsVersion = Value; } /// Return true if assembly (inline or otherwise) should be parsed. bool useIntegratedAssembler() const { return UseIntegratedAssembler; } /// Return true if target want to use AsmParser to parse inlineasm. bool parseInlineAsmUsingAsmParser() const { return ParseInlineAsmUsingAsmParser; } bool binutilsIsAtLeast(int Major, int Minor) const { return BinutilsVersion >= std::make_pair(Major, Minor); } /// Set whether assembly (inline or otherwise) should be parsed. virtual void setUseIntegratedAssembler(bool Value) { UseIntegratedAssembler = Value; } /// Set whether target want to use AsmParser to parse inlineasm. virtual void setParseInlineAsmUsingAsmParser(bool Value) { ParseInlineAsmUsingAsmParser = Value; } /// Return true if assembly (inline or otherwise) should be parsed. bool preserveAsmComments() const { return PreserveAsmComments; } /// Set whether assembly (inline or otherwise) should be parsed. virtual void setPreserveAsmComments(bool Value) { PreserveAsmComments = Value; } DebugCompressionType compressDebugSections() const { return CompressDebugSections; } void setCompressDebugSections(DebugCompressionType CompressDebugSections) { this->CompressDebugSections = CompressDebugSections; } bool shouldUseLogicalShr() const { return UseLogicalShr; } bool canRelaxRelocations() const { return RelaxELFRelocations; } void setRelaxELFRelocations(bool V) { RelaxELFRelocations = V; } bool hasMipsExpressions() const { return HasMipsExpressions; } bool needsFunctionDescriptors() const { return NeedsFunctionDescriptors; } bool shouldUseMotorolaIntegers() const { return UseMotorolaIntegers; } }; } // end namespace llvm #endif // LLVM_MC_MCASMINFO_H #ifdef __GNUC__ #pragma GCC diagnostic pop #endif