diff options
Diffstat (limited to 'include/llvm/MC/MCStreamer.h')
| -rw-r--r-- | include/llvm/MC/MCStreamer.h | 49 |
1 files changed, 33 insertions, 16 deletions
diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h index 451efbf..2595600 100644 --- a/include/llvm/MC/MCStreamer.h +++ b/include/llvm/MC/MCStreamer.h @@ -23,7 +23,6 @@ namespace llvm { class MCAsmBackend; - class MCAsmInfo; class MCCodeEmitter; class MCContext; class MCExpr; @@ -32,7 +31,6 @@ namespace llvm { class MCSection; class MCSymbol; class StringRef; - class TargetLoweringObjectFile; class Twine; class raw_ostream; class formatted_raw_ostream; @@ -94,6 +92,10 @@ namespace llvm { const MCExpr *ForceExpAbs(const MCExpr* Expr); + void RecordProcStart(MCDwarfFrameInfo &Frame); + virtual void EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame); + void RecordProcEnd(MCDwarfFrameInfo &Frame); + virtual void EmitCFIEndProcImpl(MCDwarfFrameInfo &CurFrame); void EmitFrames(bool usingCFI); MCWin64EHUnwindInfo *getCurrentW64UnwindInfo(){return CurrentW64UnwindInfo;} @@ -334,6 +336,11 @@ namespace llvm { /// EndCOFFSymbolDef - Marks the end of the symbol definition. virtual void EndCOFFSymbolDef() = 0; + /// EmitCOFFSecRel32 - Emits a COFF section relative relocation. + /// + /// @param Symbol - Symbol the section relative realocation should point to. + virtual void EmitCOFFSecRel32(MCSymbol const *Symbol); + /// EmitELFSize - Emit an ELF .size directive. /// /// This corresponds to an assembler statement such as: @@ -420,7 +427,8 @@ namespace llvm { /// EmitULEB128Value - Special case of EmitULEB128Value that avoids the /// client having to pass in a MCExpr for constant integers. - void EmitULEB128IntValue(uint64_t Value, unsigned AddrSpace = 0); + void EmitULEB128IntValue(uint64_t Value, unsigned AddrSpace = 0, + unsigned Padding = 0); /// EmitSLEB128Value - Special case of EmitSLEB128Value that avoids the /// client having to pass in a MCExpr for constant integers. @@ -431,6 +439,13 @@ namespace llvm { void EmitSymbolValue(const MCSymbol *Sym, unsigned Size, unsigned AddrSpace = 0); + /// EmitGPRel64Value - Emit the expression @p Value into the output as a + /// gprel64 (64-bit GP relative) value. + /// + /// This is used to implement assembler directives such as .gpdword on + /// targets that support them. + virtual void EmitGPRel64Value(const MCExpr *Value); + /// EmitGPRel32Value - Emit the expression @p Value into the output as a /// gprel32 (32-bit GP relative) value. /// @@ -493,7 +508,8 @@ namespace llvm { /// @param Offset - The offset to reach. This may be an expression, but the /// expression must be associated with the current section. /// @param Value - The value to use when filling bytes. - virtual void EmitValueToOffset(const MCExpr *Offset, + /// @return false on success, true if the offset was invalid. + virtual bool EmitValueToOffset(const MCExpr *Offset, unsigned char Value = 0) = 0; /// @} @@ -505,7 +521,8 @@ namespace llvm { /// EmitDwarfFileDirective - Associate a filename with a specified logical /// file number. This implements the DWARF2 '.file 4 "foo.c"' assembler /// directive. - virtual bool EmitDwarfFileDirective(unsigned FileNo,StringRef Filename); + virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory, + StringRef Filename); /// EmitDwarfLocDirective - This implements the DWARF2 // '.loc fileno lineno ...' assembler directive. @@ -529,8 +546,8 @@ namespace llvm { virtual void EmitCompactUnwindEncoding(uint32_t CompactUnwindEncoding); virtual void EmitCFISections(bool EH, bool Debug); - virtual void EmitCFIStartProc(); - virtual void EmitCFIEndProc(); + void EmitCFIStartProc(); + void EmitCFIEndProc(); virtual void EmitCFIDefCfa(int64_t Register, int64_t Offset); virtual void EmitCFIDefCfaOffset(int64_t Offset); virtual void EmitCFIDefCfaRegister(int64_t Register); @@ -540,8 +557,11 @@ namespace llvm { virtual void EmitCFIRememberState(); virtual void EmitCFIRestoreState(); virtual void EmitCFISameValue(int64_t Register); + virtual void EmitCFIRestore(int64_t Register); virtual void EmitCFIRelOffset(int64_t Register, int64_t Offset); virtual void EmitCFIAdjustCfaOffset(int64_t Adjustment); + virtual void EmitCFIEscape(StringRef Values); + virtual void EmitCFISignalFrame(); virtual void EmitWin64EHStartProc(const MCSymbol *Symbol); virtual void EmitWin64EHEndProc(); @@ -581,8 +601,10 @@ namespace llvm { virtual void EmitRegSave(const SmallVectorImpl<unsigned> &RegList, bool isVector); + /// FinishImpl - Streamer specific finalization. + virtual void FinishImpl() = 0; /// Finish - Finish emission of machine code. - virtual void Finish() = 0; + void Finish(); }; /// createNullStreamer - Create a dummy machine code streamer, which does @@ -613,6 +635,7 @@ namespace llvm { bool isVerboseAsm, bool useLoc, bool useCFI, + bool useDwarfDirectory, MCInstPrinter *InstPrint = 0, MCCodeEmitter *CE = 0, MCAsmBackend *TAB = 0, @@ -638,14 +661,8 @@ namespace llvm { /// 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); - - /// createLoggingStreamer - Create a machine code streamer which just logs the - /// API calls and then dispatches to another streamer. - /// - /// The new streamer takes ownership of the \arg Child. - MCStreamer *createLoggingStreamer(MCStreamer *Child, raw_ostream &OS); + raw_ostream &OS, MCCodeEmitter *CE, + bool RelaxAll, bool NoExecStack); /// createPureStreamer - Create a machine code streamer which will generate /// "pure" MC object files, for use with MC-JIT and testing tools. |
