diff options
Diffstat (limited to 'include/llvm/MC/MCStreamer.h')
| -rw-r--r-- | include/llvm/MC/MCStreamer.h | 76 |
1 files changed, 29 insertions, 47 deletions
diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h index 216de75554..df896a6c68 100644 --- a/include/llvm/MC/MCStreamer.h +++ b/include/llvm/MC/MCStreamer.h @@ -20,7 +20,7 @@ #include "llvm/MC/MCDirectives.h" #include "llvm/MC/MCDwarf.h" #include "llvm/MC/MCLinkerOptimizationHint.h" -#include "llvm/MC/MCWin64EH.h" +#include "llvm/MC/MCWinEH.h" #include "llvm/Support/DataTypes.h" #include <string> @@ -91,18 +91,20 @@ public: AArch64TargetStreamer(MCStreamer &S); ~AArch64TargetStreamer(); - void finish() override; /// Callback used to implement the ldr= pseudo. /// Add a new entry to the constant pool for the current section and return an /// MCExpr that can be used to refer to the constant pool location. - const MCExpr *addConstantPoolEntry(const MCExpr *); + const MCExpr *addConstantPoolEntry(const MCExpr *, unsigned Size); /// Callback used to implemnt the .ltorg directive. /// Emit contents of constant pool for the current section. void emitCurrentConstantPool(); + /// Callback used to implement the .inst directive. + virtual void emitInst(uint32_t Inst); + private: std::unique_ptr<AssemblerConstantPools> ConstantPools; }; @@ -175,15 +177,15 @@ class MCStreamer { MCStreamer(const MCStreamer &) LLVM_DELETED_FUNCTION; MCStreamer &operator=(const MCStreamer &) LLVM_DELETED_FUNCTION; - std::vector<MCDwarfFrameInfo> FrameInfos; - MCDwarfFrameInfo *getCurrentFrameInfo(); + std::vector<MCDwarfFrameInfo> DwarfFrameInfos; + MCDwarfFrameInfo *getCurrentDwarfFrameInfo(); + void EnsureValidDwarfFrame(); + MCSymbol *EmitCFICommon(); - void EnsureValidFrame(); - std::vector<MCWin64EHUnwindInfo *> W64UnwindInfos; - MCWin64EHUnwindInfo *CurrentW64UnwindInfo; - void setCurrentW64UnwindInfo(MCWin64EHUnwindInfo *Frame); - void EnsureValidW64UnwindInfo(); + std::vector<WinEH::FrameInfo *> WinFrameInfos; + WinEH::FrameInfo *CurrentWinFrameInfo; + void EnsureValidWinFrameInfo(); // SymbolOrdering - Tracks an index to represent the order // a symbol was emitted in. Zero means we did not emit that symbol. @@ -196,18 +198,14 @@ class MCStreamer { protected: MCStreamer(MCContext &Ctx); - const MCExpr *BuildSymbolDiff(MCContext &Context, const MCSymbol *A, - const MCSymbol *B); - - const MCExpr *ForceExpAbs(const MCExpr *Expr); - virtual void EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame); virtual void EmitCFIEndProcImpl(MCDwarfFrameInfo &CurFrame); - MCWin64EHUnwindInfo *getCurrentW64UnwindInfo() { - return CurrentW64UnwindInfo; + WinEH::FrameInfo *getCurrentWinFrameInfo() { + return CurrentWinFrameInfo; } - void EmitW64Tables(); + + virtual void EmitWindowsUnwindTables(); virtual void EmitRawTextImpl(StringRef String); @@ -231,20 +229,14 @@ public: return TargetStreamer.get(); } - unsigned getNumFrameInfos() { return FrameInfos.size(); } - - const MCDwarfFrameInfo &getFrameInfo(unsigned i) { return FrameInfos[i]; } - - ArrayRef<MCDwarfFrameInfo> getFrameInfos() const { return FrameInfos; } - - unsigned getNumW64UnwindInfos() { return W64UnwindInfos.size(); } - - MCWin64EHUnwindInfo &getW64UnwindInfo(unsigned i) { - return *W64UnwindInfos[i]; + unsigned getNumFrameInfos() { return DwarfFrameInfos.size(); } + ArrayRef<MCDwarfFrameInfo> getDwarfFrameInfos() const { + return DwarfFrameInfos; } - ArrayRef<MCWin64EHUnwindInfo *> getW64UnwindInfos() const { - return W64UnwindInfos; + unsigned getNumWinFrameInfos() { return WinFrameInfos.size(); } + ArrayRef<WinEH::FrameInfo *> getWinFrameInfos() const { + return WinFrameInfos; } void generateCompactUnwindEncodings(MCAsmBackend *MAB); @@ -354,8 +346,8 @@ public: /// @p Section. This is required to update CurSection. /// /// This corresponds to assembler directives like .section, .text, etc. - void SwitchSection(const MCSection *Section, - const MCExpr *Subsection = nullptr) { + virtual void SwitchSection(const MCSection *Section, + const MCExpr *Subsection = nullptr) { assert(Section && "Cannot switch to a null section!"); MCSectionSubPair curSection = SectionStack.back().first; SectionStack.back().second = curSection; @@ -378,7 +370,7 @@ public: } /// Create the default sections and set the initial one. - virtual void InitSections(); + virtual void InitSections(bool NoExecStack); /// AssignSection - Sets the symbol's section. /// @@ -557,12 +549,6 @@ public: /// to pass in a MCExpr for constant integers. virtual void EmitIntValue(uint64_t Value, unsigned Size); - /// EmitAbsValue - Emit the Value, but try to avoid relocations. On MachO - /// this is done by producing - /// foo = value - /// .long foo - void EmitAbsValue(const MCExpr *Value, unsigned Size); - virtual void EmitULEB128Value(const MCExpr *Value); virtual void EmitSLEB128Value(const MCExpr *Value); @@ -577,7 +563,8 @@ public: /// EmitSymbolValue - Special case of EmitValue that avoids the client /// having to pass in a MCExpr for MCSymbols. - void EmitSymbolValue(const MCSymbol *Sym, unsigned Size); + void EmitSymbolValue(const MCSymbol *Sym, unsigned Size, + bool IsSectionRelative = false); /// EmitGPRel64Value - Emit the expression @p Value into the output as a /// gprel64 (64-bit GP relative) value. @@ -673,11 +660,6 @@ public: StringRef FileName); virtual MCSymbol *getDwarfLineTableSymbol(unsigned CUID); - - void EmitDwarfSetLineAddr(int64_t LineDelta, const MCSymbol *Label, - int PointerSize); - - virtual void EmitCompactUnwindEncoding(uint32_t CompactUnwindEncoding); virtual void EmitCFISections(bool EH, bool Debug); void EmitCFIStartProc(bool IsSimple); void EmitCFIEndProc(); @@ -786,8 +768,8 @@ MCStreamer *createMachOStreamer(MCContext &Ctx, MCAsmBackend &TAB, /// createELFStreamer - Create a machine code streamer which will generate /// ELF format object files. MCStreamer *createELFStreamer(MCContext &Ctx, MCAsmBackend &TAB, - raw_ostream &OS, MCCodeEmitter *CE, bool RelaxAll, - bool NoExecStack); + raw_ostream &OS, MCCodeEmitter *CE, + bool RelaxAll); } // end namespace llvm |