diff options
Diffstat (limited to 'include/llvm/MC/MCAsmInfo.h')
-rw-r--r-- | include/llvm/MC/MCAsmInfo.h | 111 |
1 files changed, 38 insertions, 73 deletions
diff --git a/include/llvm/MC/MCAsmInfo.h b/include/llvm/MC/MCAsmInfo.h index d020de3004f2e..7a99394621475 100644 --- a/include/llvm/MC/MCAsmInfo.h +++ b/include/llvm/MC/MCAsmInfo.h @@ -17,6 +17,7 @@ #define LLVM_MC_MCASMINFO_H #include "llvm/MC/MCDirectives.h" +#include "llvm/MC/MCDwarf.h" #include "llvm/MC/MachineLocation.h" #include <cassert> #include <vector> @@ -88,9 +89,13 @@ namespace llvm { /// 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 "$". + /// MinInstAlignment - Every possible instruction length is a multiple of + /// this value. Factored out in .debug_frame and .debug_line. + unsigned MinInstAlignment; // Defaults to 1. + + /// DollarIsPC - The '$' token, when not referencing an identifier or + /// constant, refers to the current PC. + bool DollarIsPC; // Defaults to false. /// SeparatorString - This string, if specified, is used to separate /// instructions from each other when on the same line. @@ -139,21 +144,9 @@ namespace llvm { /// AssemblerDialect - Which dialect of an assembler variant to use. unsigned AssemblerDialect; // Defaults to 0 - /// AllowQuotesInName - This is true if the assembler allows for complex - /// symbol names to be surrounded in quotes. This defaults to false. - bool AllowQuotesInName; - - /// AllowNameToStartWithDigit - This is true if the assembler allows symbol - /// names to start with a digit (e.g., "0x0021"). This defaults to false. - bool AllowNameToStartWithDigit; - - /// AllowPeriodsInName - This is true if the assembler allows periods in - /// symbol names. This defaults to true. - bool AllowPeriodsInName; - - /// AllowUTF8 - This is true if the assembler accepts UTF-8 input. - // FIXME: Make this a more general encoding setting? - bool AllowUTF8; + /// \brief This is true if the assembler allows @ characters in symbol + /// names. Defaults to false. + bool AllowAtInName; /// UseDataRegionDirectives - This is true if data region markers should /// be printed as ".data_region/.end_data_region" directives. If false, @@ -195,13 +188,6 @@ namespace llvm { /// on Mips or .gprel32 on Alpha. const char *GPRel32Directive; // Defaults to NULL. - /// getDataASDirective - Return the directive that should be used to emit - /// data of the specified size to the specified numeric address space. - virtual const char *getDataASDirective(unsigned Size, unsigned AS) const { - assert(AS != 0 && "Don't know the directives for default addr space"); - return 0; - } - /// SunStyleELFSectionSwitchSyntax - 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. @@ -242,11 +228,6 @@ namespace llvm { /// const char *GlobalDirective; // Defaults to NULL. - /// ExternDirective - This is the directive used to declare external - /// globals. - /// - const char *ExternDirective; // Defaults to NULL. - /// HasSetDirective - True if the assembler supports the .set directive. bool HasSetDirective; // Defaults to true. @@ -273,14 +254,14 @@ namespace llvm { /// .file directive, this is true for ELF targets. bool HasSingleParameterDotFile; // Defaults to true. + /// hasIdentDirective - True if the target has a .ident directive, this is + /// true for ELF targets. + bool HasIdentDirective; // Defaults to false. + /// HasNoDeadStrip - True if this target supports the MachO .no_dead_strip /// directive. bool HasNoDeadStrip; // Defaults to false. - /// HasSymbolResolver - True if this target supports the MachO - /// .symbol_resolver directive. - bool HasSymbolResolver; // Defaults to false. - /// WeakRefDirective - This directive, if non-null, is used to declare a /// global as being a weak undefined symbol. const char *WeakRefDirective; // Defaults to NULL. @@ -318,10 +299,6 @@ namespace llvm { /// SupportsExceptionHandling - True if target supports exception handling. ExceptionHandling::ExceptionsType ExceptionsType; // Defaults to None - /// DwarfUsesInlineInfoSection - True if DwarfDebugInlineSection is used to - /// encode inline subroutine information. - bool DwarfUsesInlineInfoSection; // Defaults to false. - /// DwarfUsesRelocationsAcrossSections - True if Dwarf2 output generally /// uses relocations for references to other .debug_* sections. bool DwarfUsesRelocationsAcrossSections; @@ -332,15 +309,15 @@ namespace llvm { //===--- Prologue State ----------------------------------------------===// - std::vector<MachineMove> InitialFrameState; + std::vector<MCCFIInstruction> InitialFrameState; public: explicit MCAsmInfo(); virtual ~MCAsmInfo(); // FIXME: move these methods to DwarfPrinter when the JIT stops using them. - static unsigned getSLEB128Size(int Value); - static unsigned getULEB128Size(unsigned Value); + static unsigned getSLEB128Size(int64_t Value); + static unsigned getULEB128Size(uint64_t Value); /// getPointerSize - Get the pointer size in bytes. unsigned getPointerSize() const { @@ -367,17 +344,17 @@ namespace llvm { // Data directive accessors. // - const char *getData8bitsDirective(unsigned AS = 0) const { - return AS == 0 ? Data8bitsDirective : getDataASDirective(8, AS); + const char *getData8bitsDirective() const { + return Data8bitsDirective; } - const char *getData16bitsDirective(unsigned AS = 0) const { - return AS == 0 ? Data16bitsDirective : getDataASDirective(16, AS); + const char *getData16bitsDirective() const { + return Data16bitsDirective; } - const char *getData32bitsDirective(unsigned AS = 0) const { - return AS == 0 ? Data32bitsDirective : getDataASDirective(32, AS); + const char *getData32bitsDirective() const { + return Data32bitsDirective; } - const char *getData64bitsDirective(unsigned AS = 0) const { - return AS == 0 ? Data64bitsDirective : getDataASDirective(64, AS); + const char *getData64bitsDirective() const { + return Data64bitsDirective; } const char *getGPRel64Directive() const { return GPRel64Directive; } const char *getGPRel32Directive() const { return GPRel32Directive; } @@ -428,8 +405,11 @@ namespace llvm { unsigned getMaxInstLength() const { return MaxInstLength; } - const char *getPCSymbol() const { - return PCSymbol; + unsigned getMinInstAlignment() const { + return MinInstAlignment; + } + bool getDollarIsPC() const { + return DollarIsPC; } const char *getSeparatorString() const { return SeparatorString; @@ -475,17 +455,8 @@ namespace llvm { unsigned getAssemblerDialect() const { return AssemblerDialect; } - bool doesAllowQuotesInName() const { - return AllowQuotesInName; - } - bool doesAllowNameToStartWithDigit() const { - return AllowNameToStartWithDigit; - } - bool doesAllowPeriodsInName() const { - return AllowPeriodsInName; - } - bool doesAllowUTF8() const { - return AllowUTF8; + bool doesAllowAtInName() const { + return AllowAtInName; } bool doesSupportDataRegionDirectives() const { return UseDataRegionDirectives; @@ -511,9 +482,6 @@ namespace llvm { const char *getGlobalDirective() const { return GlobalDirective; } - const char *getExternDirective() const { - return ExternDirective; - } bool hasSetDirective() const { return HasSetDirective; } bool hasAggressiveSymbolFolding() const { return HasAggressiveSymbolFolding; @@ -526,8 +494,8 @@ namespace llvm { } bool hasDotTypeDotSizeDirective() const {return HasDotTypeDotSizeDirective;} bool hasSingleParameterDotFile() const { return HasSingleParameterDotFile; } + bool hasIdentDirective() const { return HasIdentDirective; } bool hasNoDeadStrip() const { return HasNoDeadStrip; } - bool hasSymbolResolver() const { return HasSymbolResolver; } const char *getWeakRefDirective() const { return WeakRefDirective; } const char *getWeakDefDirective() const { return WeakDefDirective; } const char *getLinkOnceDirective() const { return LinkOnceDirective; } @@ -557,9 +525,6 @@ namespace llvm { ExceptionsType == ExceptionHandling::ARM || ExceptionsType == ExceptionHandling::Win64); } - bool doesDwarfUseInlineInfoSection() const { - return DwarfUsesInlineInfoSection; - } bool doesDwarfUseRelocationsAcrossSections() const { return DwarfUsesRelocationsAcrossSections; } @@ -567,11 +532,11 @@ namespace llvm { return DwarfRegNumForCFI; } - void addInitialFrameState(MCSymbol *label, const MachineLocation &D, - const MachineLocation &S) { - InitialFrameState.push_back(MachineMove(label, D, S)); + void addInitialFrameState(const MCCFIInstruction &Inst) { + InitialFrameState.push_back(Inst); } - const std::vector<MachineMove> &getInitialFrameState() const { + + const std::vector<MCCFIInstruction> &getInitialFrameState() const { return InitialFrameState; } }; |