| //===-- llvm/Target/TargetAsmInfo.h - Asm info ------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // 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_TARGET_ASM_INFO_H |
| #define LLVM_TARGET_ASM_INFO_H |
| |
| #include "llvm/ADT/DenseMap.h" |
| #include "llvm/ADT/StringMap.h" |
| #include "llvm/Support/DataTypes.h" |
| #include <string> |
| |
| namespace llvm { |
| // DWARF encoding query type |
| namespace DwarfEncoding { |
| enum Target { |
| Data = 0, |
| CodeLabels = 1, |
| Functions = 2 |
| }; |
| } |
| |
| namespace SectionKind { |
| enum Kind { |
| Unknown = 0, ///< Custom section |
| Text, ///< Text section |
| Data, ///< Data section |
| BSS, ///< BSS section |
| ROData, ///< Readonly data section |
| RODataMergeStr, ///< Readonly data section (mergeable strings) |
| RODataMergeConst, ///< Readonly data section (mergeable constants) |
| SmallData, ///< Small data section |
| SmallBSS, ///< Small bss section |
| SmallROData, ///< Small readonly section |
| ThreadData, ///< Initialized TLS data objects |
| ThreadBSS ///< Uninitialized TLS data objects |
| }; |
| |
| static inline bool isReadOnly(Kind K) { |
| return (K == SectionKind::ROData || |
| K == SectionKind::RODataMergeConst || |
| K == SectionKind::RODataMergeStr || |
| K == SectionKind::SmallROData); |
| } |
| |
| static inline bool isBSS(Kind K) { |
| return (K == SectionKind::BSS || |
| K == SectionKind::SmallBSS); |
| } |
| } |
| |
| namespace SectionFlags { |
| const unsigned Invalid = -1U; |
| const unsigned None = 0; |
| const unsigned Code = 1 << 0; ///< Section contains code |
| const unsigned Writeable = 1 << 1; ///< Section is writeable |
| const unsigned BSS = 1 << 2; ///< Section contains only zeroes |
| const unsigned Mergeable = 1 << 3; ///< Section contains mergeable data |
| const unsigned Strings = 1 << 4; ///< Section contains C-type strings |
| const unsigned TLS = 1 << 5; ///< Section contains thread-local data |
| const unsigned Debug = 1 << 6; ///< Section contains debug data |
| const unsigned Linkonce = 1 << 7; ///< Section is linkonce |
| const unsigned Small = 1 << 8; ///< Section is small |
| const unsigned TypeFlags = 0xFF; |
| // Some gap for future flags |
| const unsigned Named = 1 << 23; ///< Section is named |
| const unsigned EntitySize = 0xFF << 24; ///< Entity size for mergeable stuff |
| |
| static inline unsigned getEntitySize(unsigned Flags) { |
| return (Flags >> 24) & 0xFF; |
| } |
| |
| static inline unsigned setEntitySize(unsigned Flags, unsigned Size) { |
| return ((Flags & ~EntitySize) | ((Size & 0xFF) << 24)); |
| } |
| |
| struct KeyInfo { |
| static inline unsigned getEmptyKey() { return Invalid; } |
| static inline unsigned getTombstoneKey() { return Invalid - 1; } |
| static unsigned getHashValue(const unsigned &Key) { return Key; } |
| static bool isEqual(unsigned LHS, unsigned RHS) { return LHS == RHS; } |
| static bool isPod() { return true; } |
| }; |
| |
| typedef DenseMap<unsigned, std::string, KeyInfo> FlagsStringsMapType; |
| } |
| |
| class TargetMachine; |
| class CallInst; |
| class GlobalValue; |
| class Type; |
| class Mangler; |
| |
| class Section { |
| friend class TargetAsmInfo; |
| friend class StringMapEntry<Section>; |
| |
| std::string Name; |
| unsigned Flags; |
| |
| explicit Section(unsigned F = SectionFlags::Invalid):Flags(F) { } |
| public: |
| bool isNamed() const { return Flags & SectionFlags::Named; } |
| unsigned getEntitySize() const { return (Flags >> 24) & 0xFF; } |
| |
| const std::string& getName() const { return Name; } |
| unsigned getFlags() const { return Flags; } |
| }; |
| |
| /// TargetAsmInfo - This class is intended to be used as a base class for asm |
| /// properties and features specific to the target. |
| class TargetAsmInfo { |
| private: |
| mutable StringMap<Section> Sections; |
| mutable SectionFlags::FlagsStringsMapType FlagsStrings; |
| void fillDefaultValues(); |
| protected: |
| /// TM - The current TargetMachine. |
| const TargetMachine &TM; |
| |
| //===------------------------------------------------------------------===// |
| // Properties to be set by the target writer, used to configure asm printer. |
| // |
| |
| /// TextSection - Section directive for standard text. |
| /// |
| const Section *TextSection; // Defaults to ".text". |
| |
| /// DataSection - Section directive for standard data. |
| /// |
| const Section *DataSection; // Defaults to ".data". |
| |
| /// BSSSection - Section directive for uninitialized data. Null if this |
| /// target doesn't support a BSS section. |
| /// |
| const char *BSSSection; // Default to ".bss". |
| const Section *BSSSection_; |
| |
| /// ReadOnlySection - This is the directive that is emitted to switch to a |
| /// read-only section for constant data (e.g. data declared const, |
| /// jump tables). |
| const Section *ReadOnlySection; // Defaults to NULL |
| |
| /// SmallDataSection - This is the directive that is emitted to switch to a |
| /// small data section. |
| /// |
| const Section *SmallDataSection; // Defaults to NULL |
| |
| /// SmallBSSSection - This is the directive that is emitted to switch to a |
| /// small bss section. |
| /// |
| const Section *SmallBSSSection; // Defaults to NULL |
| |
| /// SmallRODataSection - This is the directive that is emitted to switch to |
| /// a small read-only data section. |
| /// |
| const Section *SmallRODataSection; // Defaults to NULL |
| |
| /// TLSDataSection - Section directive for Thread Local data. |
| /// |
| const Section *TLSDataSection; // Defaults to ".tdata". |
| |
| /// TLSBSSSection - Section directive for Thread Local uninitialized data. |
| /// Null if this target doesn't support a BSS section. |
| /// |
| const Section *TLSBSSSection; // Defaults to ".tbss". |
| |
| /// ZeroFillDirective - Directive for emitting a global to the ZeroFill |
| /// section on this target. Null if this target doesn't support zerofill. |
| const char *ZeroFillDirective; // Default is null. |
| |
| /// NonexecutableStackDirective - Directive for declaring to the |
| /// linker and beyond that the emitted code does not require stack |
| /// memory to be executable. |
| const char *NonexecutableStackDirective; // Default is null. |
| |
| /// NeedsSet - True if target asm treats expressions in data directives |
| /// as linktime-relocatable. For assembly-time computation, we need to |
| /// use a .set. Thus: |
| /// .set w, x-y |
| /// .long w |
| /// is computed at assembly time, while |
| /// .long x-y |
| /// is relocated if the relative locations of x and y change at linktime. |
| /// We want both these things in different places. |
| bool NeedsSet; // Defaults to false. |
| |
| /// MaxInstLength - This is the maximum possible length of an instruction, |
| /// which is needed to compute the size of an inline asm. |
| unsigned MaxInstLength; // Defaults to 4. |
| |
| /// PCSymbol - The symbol used to represent the current PC. Used in PC |
| /// relative expressions. |
| const char *PCSymbol; // Defaults to "$". |
| |
| /// SeparatorChar - This character, if specified, is used to separate |
| /// instructions from each other when on the same line. This is used to |
| /// measure inline asm instructions. |
| char SeparatorChar; // Defaults to ';' |
| |
| /// CommentString - This indicates the comment character used by the |
| /// assembler. |
| const char *CommentString; // Defaults to "#" |
| |
| /// GlobalPrefix - If this is set to a non-empty string, it is prepended |
| /// onto all global symbols. This is often used for "_" or ".". |
| const char *GlobalPrefix; // Defaults to "" |
| |
| /// PrivateGlobalPrefix - 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. This is often "." or "L". |
| const char *PrivateGlobalPrefix; // Defaults to "." |
| |
| /// LessPrivateGlobalPrefix - 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. |
| const char *LessPrivateGlobalPrefix; // Defaults to "" |
| |
| /// JumpTableSpecialLabelPrefix - If not null, a extra (dead) label is |
| /// emitted before jump tables with the specified prefix. |
| const char *JumpTableSpecialLabelPrefix; // Default to null. |
| |
| /// GlobalVarAddrPrefix/Suffix - If these are nonempty, these strings |
| /// will enclose any GlobalVariable (that isn't a function) |
| /// |
| const char *GlobalVarAddrPrefix; // Defaults to "" |
| const char *GlobalVarAddrSuffix; // Defaults to "" |
| |
| /// FunctionAddrPrefix/Suffix - If these are nonempty, these strings |
| /// will enclose any GlobalVariable that points to a function. |
| /// For example, this is used by the IA64 backend to materialize |
| /// function descriptors, by decorating the ".data8" object with the |
| /// @verbatim @fptr( ) @endverbatim |
| /// link-relocation operator. |
| /// |
| const char *FunctionAddrPrefix; // Defaults to "" |
| const char *FunctionAddrSuffix; // Defaults to "" |
| |
| /// PersonalityPrefix/Suffix - If these are nonempty, these strings will |
| /// enclose any personality function in the common frame section. |
| /// |
| const char *PersonalityPrefix; // Defaults to "" |
| const char *PersonalitySuffix; // Defaults to "" |
| |
| /// NeedsIndirectEncoding - If set, we need to set the indirect encoding bit |
| /// for EH in Dwarf. |
| /// |
| bool NeedsIndirectEncoding; // Defaults to false |
| |
| /// InlineAsmStart/End - If these are nonempty, they contain a directive to |
| /// emit before and after an inline assembly statement. |
| const char *InlineAsmStart; // Defaults to "#APP\n" |
| const char *InlineAsmEnd; // Defaults to "#NO_APP\n" |
| |
| /// AssemblerDialect - Which dialect of an assembler variant to use. |
| unsigned AssemblerDialect; // Defaults to 0 |
| |
| /// StringConstantPrefix - Prefix for FEs to use when generating unnamed |
| /// constant strings. These names get run through the Mangler later; if |
| /// you want the Mangler not to add the GlobalPrefix as well, |
| /// use '\1' as the first character. |
| const char *StringConstantPrefix; // Defaults to ".str" |
| |
| //===--- Data Emission Directives -------------------------------------===// |
| |
| /// ZeroDirective - this should be set to the directive used to get some |
| /// number of zero bytes emitted to the current section. Common cases are |
| /// "\t.zero\t" and "\t.space\t". If this is set to null, the |
| /// Data*bitsDirective's will be used to emit zero bytes. |
| const char *ZeroDirective; // Defaults to "\t.zero\t" |
| const char *ZeroDirectiveSuffix; // Defaults to "" |
| |
| /// AsciiDirective - This directive allows emission of an ascii string with |
| /// the standard C escape characters embedded into it. |
| const char *AsciiDirective; // Defaults to "\t.ascii\t" |
| |
| /// AscizDirective - 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. |
| const char *AscizDirective; // Defaults to "\t.asciz\t" |
| |
| /// DataDirectives - 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. |
| const char *Data8bitsDirective; // Defaults to "\t.byte\t" |
| const char *Data16bitsDirective; // Defaults to "\t.short\t" |
| const char *Data32bitsDirective; // Defaults to "\t.long\t" |
| const char *Data64bitsDirective; // Defaults to "\t.quad\t" |
| |
| /// getASDirective - Targets can override it to provide different data |
| /// directives for various sizes and non-default address spaces. |
| virtual const char *getASDirective(unsigned size, |
| unsigned AS) const { |
| assert (AS > 0 |
| && "Dont know the directives for default addr space"); |
| return NULL; |
| } |
| |
| //===--- Alignment Information ----------------------------------------===// |
| |
| /// AlignDirective - The directive used to emit round up to an alignment |
| /// boundary. |
| /// |
| const char *AlignDirective; // Defaults to "\t.align\t" |
| |
| /// AlignmentIsInBytes - 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. |
| bool AlignmentIsInBytes; // Defaults to true |
| |
| /// TextAlignFillValue - If non-zero, this is used to fill the executable |
| /// space created as the result of a alignment directive. |
| unsigned TextAlignFillValue; |
| |
| //===--- Section Switching Directives ---------------------------------===// |
| |
| /// SwitchToSectionDirective - This is the directive used when we want to |
| /// emit a global to an arbitrary section. The section name is emited after |
| /// this. |
| const char *SwitchToSectionDirective; // Defaults to "\t.section\t" |
| |
| /// TextSectionStartSuffix - This is printed after each start of section |
| /// directive for text sections. |
| const char *TextSectionStartSuffix; // Defaults to "". |
| |
| /// DataSectionStartSuffix - This is printed after each start of section |
| /// directive for data sections. |
| const char *DataSectionStartSuffix; // Defaults to "". |
| |
| /// SectionEndDirectiveSuffix - If non-null, the asm printer will close each |
| /// section with the section name and this suffix printed. |
| const char *SectionEndDirectiveSuffix;// Defaults to null. |
| |
| /// ConstantPoolSection - This is the section that we SwitchToSection right |
| /// before emitting the constant pool for a function. |
| const char *ConstantPoolSection; // Defaults to "\t.section .rodata" |
| |
| /// JumpTableDataSection - This is the section that we SwitchToSection right |
| /// before emitting the jump tables for a function when the relocation model |
| /// is not PIC. |
| const char *JumpTableDataSection; // Defaults to "\t.section .rodata" |
| |
| /// JumpTableDirective - if non-null, the directive to emit before a jump |
| /// table. |
| const char *JumpTableDirective; |
| |
| /// CStringSection - If not null, this allows for special handling of |
| /// cstring constants (null terminated string that does not contain any |
| /// other null bytes) on this target. This is commonly supported as |
| /// ".cstring". |
| const char *CStringSection; // Defaults to NULL |
| const Section *CStringSection_; |
| |
| /// StaticCtorsSection - This is the directive that is emitted to switch to |
| /// a section to emit the static constructor list. |
| /// Defaults to "\t.section .ctors,\"aw\",@progbits". |
| const char *StaticCtorsSection; |
| |
| /// StaticDtorsSection - This is the directive that is emitted to switch to |
| /// a section to emit the static destructor list. |
| /// Defaults to "\t.section .dtors,\"aw\",@progbits". |
| const char *StaticDtorsSection; |
| |
| //===--- Global Variable Emission Directives --------------------------===// |
| |
| /// GlobalDirective - This is the directive used to declare a global entity. |
| /// |
| const char *GlobalDirective; // Defaults to NULL. |
| |
| /// SetDirective - This is the name of a directive that can be used to tell |
| /// the assembler to set the value of a variable to some expression. |
| const char *SetDirective; // Defaults to null. |
| |
| /// LCOMMDirective - This is the name of a directive (if supported) that can |
| /// be used to efficiently declare a local (internal) block of zero |
| /// initialized data in the .bss/.data section. The syntax expected is: |
| /// @verbatim <LCOMMDirective> SYMBOLNAME LENGTHINBYTES, ALIGNMENT |
| /// @endverbatim |
| const char *LCOMMDirective; // Defaults to null. |
| |
| const char *COMMDirective; // Defaults to "\t.comm\t". |
| |
| /// COMMDirectiveTakesAlignment - True if COMMDirective take a third |
| /// argument that specifies the alignment of the declaration. |
| bool COMMDirectiveTakesAlignment; // Defaults to true. |
| |
| /// HasDotTypeDotSizeDirective - True if the target has .type and .size |
| /// directives, this is true for most ELF targets. |
| bool HasDotTypeDotSizeDirective; // Defaults to true. |
| |
| /// HasSingleParameterDotFile - True if the target has a single parameter |
| /// .file directive, this is true for ELF targets. |
| bool HasSingleParameterDotFile; // Defaults to true. |
| |
| /// UsedDirective - This directive, if non-null, is used to declare a global |
| /// as being used somehow that the assembler can't see. This prevents dead |
| /// code elimination on some targets. |
| const char *UsedDirective; // Defaults to null. |
| |
| /// WeakRefDirective - This directive, if non-null, is used to declare a |
| /// global as being a weak undefined symbol. |
| const char *WeakRefDirective; // Defaults to null. |
| |
| /// WeakDefDirective - This directive, if non-null, is used to declare a |
| /// global as being a weak defined symbol. |
| const char *WeakDefDirective; // Defaults to null. |
| |
| /// HiddenDirective - This directive, if non-null, is used to declare a |
| /// global or function as having hidden visibility. |
| const char *HiddenDirective; // Defaults to "\t.hidden\t". |
| |
| /// ProtectedDirective - This directive, if non-null, is used to declare a |
| /// global or function as having protected visibility. |
| const char *ProtectedDirective; // Defaults to "\t.protected\t". |
| |
| //===--- Dwarf Emission Directives -----------------------------------===// |
| |
| /// AbsoluteDebugSectionOffsets - True if we should emit abolute section |
| /// offsets for debug information. Defaults to false. |
| bool AbsoluteDebugSectionOffsets; |
| |
| /// AbsoluteEHSectionOffsets - True if we should emit abolute section |
| /// offsets for EH information. Defaults to false. |
| bool AbsoluteEHSectionOffsets; |
| |
| /// HasLEB128 - True if target asm supports leb128 directives. |
| /// |
| bool HasLEB128; // Defaults to false. |
| |
| /// hasDotLocAndDotFile - True if target asm supports .loc and .file |
| /// directives for emitting debugging information. |
| /// |
| bool HasDotLocAndDotFile; // Defaults to false. |
| |
| /// SupportsDebugInformation - True if target supports emission of debugging |
| /// information. |
| bool SupportsDebugInformation; |
| |
| /// SupportsExceptionHandling - True if target supports |
| /// exception handling. |
| /// |
| bool SupportsExceptionHandling; // Defaults to false. |
| |
| /// RequiresFrameSection - true if the Dwarf2 output needs a frame section |
| /// |
| bool DwarfRequiresFrameSection; // Defaults to true. |
| |
| /// SupportsMacInfo - true if the Dwarf output supports macro information |
| /// |
| bool SupportsMacInfoSection; // Defaults to true |
| |
| /// NonLocalEHFrameLabel - If set, the EH_frame label needs to be non-local. |
| /// |
| bool NonLocalEHFrameLabel; // Defaults to false. |
| |
| /// GlobalEHDirective - This is the directive used to make exception frame |
| /// tables globally visible. |
| /// |
| const char *GlobalEHDirective; // Defaults to NULL. |
| |
| /// SupportsWeakEmptyEHFrame - True if target assembler and linker will |
| /// handle a weak_definition of constant 0 for an omitted EH frame. |
| bool SupportsWeakOmittedEHFrame; // Defaults to true. |
| |
| /// DwarfSectionOffsetDirective - Special section offset directive. |
| const char* DwarfSectionOffsetDirective; // Defaults to NULL |
| |
| /// DwarfAbbrevSection - Section directive for Dwarf abbrev. |
| /// |
| const char *DwarfAbbrevSection; // Defaults to ".debug_abbrev". |
| |
| /// DwarfInfoSection - Section directive for Dwarf info. |
| /// |
| const char *DwarfInfoSection; // Defaults to ".debug_info". |
| |
| /// DwarfLineSection - Section directive for Dwarf info. |
| /// |
| const char *DwarfLineSection; // Defaults to ".debug_line". |
| |
| /// DwarfFrameSection - Section directive for Dwarf info. |
| /// |
| const char *DwarfFrameSection; // Defaults to ".debug_frame". |
| |
| /// DwarfPubNamesSection - Section directive for Dwarf info. |
| /// |
| const char *DwarfPubNamesSection; // Defaults to ".debug_pubnames". |
| |
| /// DwarfPubTypesSection - Section directive for Dwarf info. |
| /// |
| const char *DwarfPubTypesSection; // Defaults to ".debug_pubtypes". |
| |
| /// DwarfStrSection - Section directive for Dwarf info. |
| /// |
| const char *DwarfStrSection; // Defaults to ".debug_str". |
| |
| /// DwarfLocSection - Section directive for Dwarf info. |
| /// |
| const char *DwarfLocSection; // Defaults to ".debug_loc". |
| |
| /// DwarfARangesSection - Section directive for Dwarf info. |
| /// |
| const char *DwarfARangesSection; // Defaults to ".debug_aranges". |
| |
| /// DwarfRangesSection - Section directive for Dwarf info. |
| /// |
| const char *DwarfRangesSection; // Defaults to ".debug_ranges". |
| |
| /// DwarfMacInfoSection - Section directive for Dwarf info. |
| /// |
| const char *DwarfMacInfoSection; // Defaults to ".debug_macinfo". |
| |
| /// DwarfEHFrameSection - Section directive for Exception frames. |
| /// |
| const char *DwarfEHFrameSection; // Defaults to ".eh_frame". |
| |
| /// DwarfExceptionSection - Section directive for Exception table. |
| /// |
| const char *DwarfExceptionSection; // Defaults to ".gcc_except_table". |
| |
| //===--- CBE Asm Translation Table -----------------------------------===// |
| |
| const char *const *AsmTransCBE; // Defaults to empty |
| |
| public: |
| explicit TargetAsmInfo(const TargetMachine &TM); |
| virtual ~TargetAsmInfo(); |
| |
| const Section* getNamedSection(const char *Name, |
| unsigned Flags = SectionFlags::None, |
| bool Override = false) const; |
| const Section* getUnnamedSection(const char *Directive, |
| unsigned Flags = SectionFlags::None, |
| bool Override = false) const; |
| |
| /// Measure the specified inline asm to determine an approximation of its |
| /// length. |
| virtual unsigned getInlineAsmLength(const char *Str) const; |
| |
| /// ExpandInlineAsm - This hook allows the target to expand an inline asm |
| /// call to be explicit llvm code if it wants to. This is useful for |
| /// turning simple inline asms into LLVM intrinsics, which gives the |
| /// compiler more information about the behavior of the code. |
| virtual bool ExpandInlineAsm(CallInst *CI) const { |
| return false; |
| } |
| |
| /// emitUsedDirectiveFor - This hook allows targets to selectively decide |
| /// not to emit the UsedDirective for some symbols in llvm.used. |
| virtual bool emitUsedDirectiveFor(const GlobalValue *GV, |
| Mangler *Mang) const { |
| return (GV!=0); |
| } |
| |
| /// PreferredEHDataFormat - This hook allows the target to select data |
| /// format used for encoding pointers in exception handling data. Reason is |
| /// 0 for data, 1 for code labels, 2 for function pointers. Global is true |
| /// if the symbol can be relocated. |
| virtual unsigned PreferredEHDataFormat(DwarfEncoding::Target Reason, |
| bool Global) const; |
| |
| /// SectionKindForGlobal - This hook allows the target to select proper |
| /// section kind used for global emission. |
| virtual SectionKind::Kind |
| SectionKindForGlobal(const GlobalValue *GV) const; |
| |
| |
| /// SectionFlagsForGlobal - This hook allows the target to select proper |
| /// section flags either for given global or for section. |
| virtual unsigned |
| SectionFlagsForGlobal(const GlobalValue *GV = NULL, |
| const char* name = NULL) const; |
| |
| /// SectionForGlobal - This hooks returns proper section name for given |
| /// global with all necessary flags and marks. |
| virtual const Section* SectionForGlobal(const GlobalValue *GV) const; |
| |
| // Helper methods for SectionForGlobal |
| virtual std::string UniqueSectionForGlobal(const GlobalValue* GV, |
| SectionKind::Kind kind) const; |
| |
| const std::string& getSectionFlags(unsigned Flags) const; |
| virtual std::string printSectionFlags(unsigned flags) const { return ""; } |
| |
| virtual const Section* SelectSectionForGlobal(const GlobalValue *GV) const; |
| |
| virtual const Section* SelectSectionForMachineConst(const Type *Ty) const; |
| |
| /// getSLEB128Size - Compute the number of bytes required for a signed |
| /// leb128 value. |
| |
| static unsigned getSLEB128Size(int Value); |
| |
| /// getULEB128Size - Compute the number of bytes required for an unsigned |
| /// leb128 value. |
| |
| static unsigned getULEB128Size(unsigned Value); |
| |
| // Data directive accessors |
| // |
| const char *getData8bitsDirective(unsigned AS = 0) const { |
| return AS == 0 ? Data8bitsDirective : getASDirective(8, AS); |
| } |
| const char *getData16bitsDirective(unsigned AS = 0) const { |
| return AS == 0 ? Data16bitsDirective : getASDirective(16, AS); |
| } |
| const char *getData32bitsDirective(unsigned AS = 0) const { |
| return AS == 0 ? Data32bitsDirective : getASDirective(32, AS); |
| } |
| const char *getData64bitsDirective(unsigned AS = 0) const { |
| return AS == 0 ? Data64bitsDirective : getASDirective(64, AS); |
| } |
| |
| |
| // Accessors. |
| // |
| const Section *getTextSection() const { |
| return TextSection; |
| } |
| const Section *getDataSection() const { |
| return DataSection; |
| } |
| const char *getBSSSection() const { |
| return BSSSection; |
| } |
| const Section *getBSSSection_() const { |
| return BSSSection_; |
| } |
| const Section *getReadOnlySection() const { |
| return ReadOnlySection; |
| } |
| const Section *getSmallDataSection() const { |
| return SmallDataSection; |
| } |
| const Section *getSmallBSSSection() const { |
| return SmallBSSSection; |
| } |
| const Section *getSmallRODataSection() const { |
| return SmallRODataSection; |
| } |
| const Section *getTLSDataSection() const { |
| return TLSDataSection; |
| } |
| const Section *getTLSBSSSection() const { |
| return TLSBSSSection; |
| } |
| const char *getZeroFillDirective() const { |
| return ZeroFillDirective; |
| } |
| const char *getNonexecutableStackDirective() const { |
| return NonexecutableStackDirective; |
| } |
| bool needsSet() const { |
| return NeedsSet; |
| } |
| const char *getPCSymbol() const { |
| return PCSymbol; |
| } |
| char getSeparatorChar() const { |
| return SeparatorChar; |
| } |
| const char *getCommentString() const { |
| return CommentString; |
| } |
| const char *getGlobalPrefix() const { |
| return GlobalPrefix; |
| } |
| const char *getPrivateGlobalPrefix() const { |
| return PrivateGlobalPrefix; |
| } |
| /// EHGlobalPrefix - Prefix for EH_frame and the .eh symbols. |
| /// This is normally PrivateGlobalPrefix, but some targets want |
| /// these symbols to be visible. |
| virtual const char *getEHGlobalPrefix() const { |
| return PrivateGlobalPrefix; |
| } |
| const char *getLessPrivateGlobalPrefix() const { |
| return LessPrivateGlobalPrefix; |
| } |
| const char *getJumpTableSpecialLabelPrefix() const { |
| return JumpTableSpecialLabelPrefix; |
| } |
| const char *getGlobalVarAddrPrefix() const { |
| return GlobalVarAddrPrefix; |
| } |
| const char *getGlobalVarAddrSuffix() const { |
| return GlobalVarAddrSuffix; |
| } |
| const char *getFunctionAddrPrefix() const { |
| return FunctionAddrPrefix; |
| } |
| const char *getFunctionAddrSuffix() const { |
| return FunctionAddrSuffix; |
| } |
| const char *getPersonalityPrefix() const { |
| return PersonalityPrefix; |
| } |
| const char *getPersonalitySuffix() const { |
| return PersonalitySuffix; |
| } |
| bool getNeedsIndirectEncoding() const { |
| return NeedsIndirectEncoding; |
| } |
| const char *getInlineAsmStart() const { |
| return InlineAsmStart; |
| } |
| const char *getInlineAsmEnd() const { |
| return InlineAsmEnd; |
| } |
| unsigned getAssemblerDialect() const { |
| return AssemblerDialect; |
| } |
| const char *getStringConstantPrefix() const { |
| return StringConstantPrefix; |
| } |
| const char *getZeroDirective() const { |
| return ZeroDirective; |
| } |
| const char *getZeroDirectiveSuffix() const { |
| return ZeroDirectiveSuffix; |
| } |
| const char *getAsciiDirective() const { |
| return AsciiDirective; |
| } |
| const char *getAscizDirective() const { |
| return AscizDirective; |
| } |
| const char *getJumpTableDirective() const { |
| return JumpTableDirective; |
| } |
| const char *getAlignDirective() const { |
| return AlignDirective; |
| } |
| bool getAlignmentIsInBytes() const { |
| return AlignmentIsInBytes; |
| } |
| unsigned getTextAlignFillValue() const { |
| return TextAlignFillValue; |
| } |
| const char *getSwitchToSectionDirective() const { |
| return SwitchToSectionDirective; |
| } |
| const char *getTextSectionStartSuffix() const { |
| return TextSectionStartSuffix; |
| } |
| const char *getDataSectionStartSuffix() const { |
| return DataSectionStartSuffix; |
| } |
| const char *getSectionEndDirectiveSuffix() const { |
| return SectionEndDirectiveSuffix; |
| } |
| const char *getConstantPoolSection() const { |
| return ConstantPoolSection; |
| } |
| const char *getJumpTableDataSection() const { |
| return JumpTableDataSection; |
| } |
| const char *getCStringSection() const { |
| return CStringSection; |
| } |
| const Section *getCStringSection_() const { |
| return CStringSection_; |
| } |
| const char *getStaticCtorsSection() const { |
| return StaticCtorsSection; |
| } |
| const char *getStaticDtorsSection() const { |
| return StaticDtorsSection; |
| } |
| const char *getGlobalDirective() const { |
| return GlobalDirective; |
| } |
| const char *getSetDirective() const { |
| return SetDirective; |
| } |
| const char *getLCOMMDirective() const { |
| return LCOMMDirective; |
| } |
| const char *getCOMMDirective() const { |
| return COMMDirective; |
| } |
| bool getCOMMDirectiveTakesAlignment() const { |
| return COMMDirectiveTakesAlignment; |
| } |
| bool hasDotTypeDotSizeDirective() const { |
| return HasDotTypeDotSizeDirective; |
| } |
| bool hasSingleParameterDotFile() const { |
| return HasSingleParameterDotFile; |
| } |
| const char *getUsedDirective() const { |
| return UsedDirective; |
| } |
| const char *getWeakRefDirective() const { |
| return WeakRefDirective; |
| } |
| const char *getWeakDefDirective() const { |
| return WeakDefDirective; |
| } |
| const char *getHiddenDirective() const { |
| return HiddenDirective; |
| } |
| const char *getProtectedDirective() const { |
| return ProtectedDirective; |
| } |
| bool isAbsoluteDebugSectionOffsets() const { |
| return AbsoluteDebugSectionOffsets; |
| } |
| bool isAbsoluteEHSectionOffsets() const { |
| return AbsoluteEHSectionOffsets; |
| } |
| bool hasLEB128() const { |
| return HasLEB128; |
| } |
| bool hasDotLocAndDotFile() const { |
| return HasDotLocAndDotFile; |
| } |
| bool doesSupportDebugInformation() const { |
| return SupportsDebugInformation; |
| } |
| bool doesSupportExceptionHandling() const { |
| return SupportsExceptionHandling; |
| } |
| bool doesDwarfRequireFrameSection() const { |
| return DwarfRequiresFrameSection; |
| } |
| bool doesSupportMacInfoSection() const { |
| return SupportsMacInfoSection; |
| } |
| bool doesRequireNonLocalEHFrameLabel() const { |
| return NonLocalEHFrameLabel; |
| } |
| const char *getGlobalEHDirective() const { |
| return GlobalEHDirective; |
| } |
| bool getSupportsWeakOmittedEHFrame() const { |
| return SupportsWeakOmittedEHFrame; |
| } |
| const char *getDwarfSectionOffsetDirective() const { |
| return DwarfSectionOffsetDirective; |
| } |
| const char *getDwarfAbbrevSection() const { |
| return DwarfAbbrevSection; |
| } |
| const char *getDwarfInfoSection() const { |
| return DwarfInfoSection; |
| } |
| const char *getDwarfLineSection() const { |
| return DwarfLineSection; |
| } |
| const char *getDwarfFrameSection() const { |
| return DwarfFrameSection; |
| } |
| const char *getDwarfPubNamesSection() const { |
| return DwarfPubNamesSection; |
| } |
| const char *getDwarfPubTypesSection() const { |
| return DwarfPubTypesSection; |
| } |
| const char *getDwarfStrSection() const { |
| return DwarfStrSection; |
| } |
| const char *getDwarfLocSection() const { |
| return DwarfLocSection; |
| } |
| const char *getDwarfARangesSection() const { |
| return DwarfARangesSection; |
| } |
| const char *getDwarfRangesSection() const { |
| return DwarfRangesSection; |
| } |
| const char *getDwarfMacInfoSection() const { |
| return DwarfMacInfoSection; |
| } |
| const char *getDwarfEHFrameSection() const { |
| return DwarfEHFrameSection; |
| } |
| const char *getDwarfExceptionSection() const { |
| return DwarfExceptionSection; |
| } |
| const char *const *getAsmCBE() const { |
| return AsmTransCBE; |
| } |
| }; |
| } |
| |
| #endif |