1 //===-- RISCVTargetStreamer.h - RISC-V Target Streamer ---------*- C++ -*--===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVTARGETSTREAMER_H 10 #define LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVTARGETSTREAMER_H 11 12 #include "RISCV.h" 13 #include "llvm/MC/MCStreamer.h" 14 #include "llvm/MC/MCSubtargetInfo.h" 15 16 namespace llvm { 17 18 class formatted_raw_ostream; 19 20 enum class RISCVOptionArchArgType { 21 Full, 22 Plus, 23 Minus, 24 }; 25 26 struct RISCVOptionArchArg { 27 RISCVOptionArchArgType Type; 28 std::string Value; 29 30 RISCVOptionArchArg(RISCVOptionArchArgType Type, std::string Value) 31 : Type(Type), Value(Value) {} 32 }; 33 34 class RISCVTargetStreamer : public MCTargetStreamer { 35 RISCVABI::ABI TargetABI = RISCVABI::ABI_Unknown; 36 37 public: 38 RISCVTargetStreamer(MCStreamer &S); 39 void finish() override; 40 virtual void reset(); 41 42 virtual void emitDirectiveOptionPush(); 43 virtual void emitDirectiveOptionPop(); 44 virtual void emitDirectiveOptionPIC(); 45 virtual void emitDirectiveOptionNoPIC(); 46 virtual void emitDirectiveOptionRVC(); 47 virtual void emitDirectiveOptionNoRVC(); 48 virtual void emitDirectiveOptionRelax(); 49 virtual void emitDirectiveOptionNoRelax(); 50 virtual void emitDirectiveOptionArch(ArrayRef<RISCVOptionArchArg> Args); 51 virtual void emitDirectiveVariantCC(MCSymbol &Symbol); 52 virtual void emitAttribute(unsigned Attribute, unsigned Value); 53 virtual void finishAttributeSection(); 54 virtual void emitTextAttribute(unsigned Attribute, StringRef String); 55 virtual void emitIntTextAttribute(unsigned Attribute, unsigned IntValue, 56 StringRef StringValue); 57 58 void emitTargetAttributes(const MCSubtargetInfo &STI, bool EmitStackAlign); 59 void setTargetABI(RISCVABI::ABI ABI); 60 RISCVABI::ABI getTargetABI() const { return TargetABI; } 61 }; 62 63 // This part is for ascii assembly output 64 class RISCVTargetAsmStreamer : public RISCVTargetStreamer { 65 formatted_raw_ostream &OS; 66 67 void finishAttributeSection() override; 68 void emitAttribute(unsigned Attribute, unsigned Value) override; 69 void emitTextAttribute(unsigned Attribute, StringRef String) override; 70 void emitIntTextAttribute(unsigned Attribute, unsigned IntValue, 71 StringRef StringValue) override; 72 73 public: 74 RISCVTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS); 75 76 void emitDirectiveOptionPush() override; 77 void emitDirectiveOptionPop() override; 78 void emitDirectiveOptionPIC() override; 79 void emitDirectiveOptionNoPIC() override; 80 void emitDirectiveOptionRVC() override; 81 void emitDirectiveOptionNoRVC() override; 82 void emitDirectiveOptionRelax() override; 83 void emitDirectiveOptionNoRelax() override; 84 void emitDirectiveOptionArch(ArrayRef<RISCVOptionArchArg> Args) override; 85 void emitDirectiveVariantCC(MCSymbol &Symbol) override; 86 }; 87 88 } 89 #endif 90