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 "RISCVMCOptions.h"
14#include "llvm/MC/MCStreamer.h"
15#include "llvm/MC/MCSubtargetInfo.h"
16
17namespace llvm {
18
19class formatted_raw_ostream;
20
21enum class RISCVOptionArchArgType {
22 Full,
23 Plus,
24 Minus,
25};
26
27struct RISCVOptionArchArg {
28 RISCVOptionArchArgType Type;
29 std::string Value;
30
31 RISCVOptionArchArg(RISCVOptionArchArgType Type, std::string Value)
32 : Type(Type), Value(Value) {}
33};
34
35class RISCVTargetStreamer : public MCTargetStreamer {
36 const RISCVMCOptions &CLOpts;
37 RISCVABI::ABI TargetABI = RISCVABI::ABI_Unknown;
38 bool HasRVC = false;
39 bool HasTSO = false;
40
41public:
42 RISCVTargetStreamer(MCStreamer &S);
43 void finish() override;
44 virtual void reset();
45
46 virtual void emitDirectiveOptionArch(ArrayRef<RISCVOptionArchArg> Args);
47 virtual void emitDirectiveOptionExact();
48 virtual void emitDirectiveOptionNoExact();
49 virtual void emitDirectiveOptionPIC();
50 virtual void emitDirectiveOptionNoPIC();
51 virtual void emitDirectiveOptionPop();
52 virtual void emitDirectiveOptionPush();
53 virtual void emitDirectiveOptionRelax();
54 virtual void emitDirectiveOptionNoRelax();
55 virtual void emitDirectiveOptionRVC();
56 virtual void emitDirectiveOptionNoRVC();
57 virtual void setArchString(StringRef Arch) {}
58 virtual void emitDirectiveVariantCC(MCSymbol &Symbol);
59 virtual void emitAttribute(unsigned Attribute, unsigned Value);
60 virtual void finishAttributeSection();
61 virtual void emitTextAttribute(unsigned Attribute, StringRef String);
62 virtual void emitIntTextAttribute(unsigned Attribute, unsigned IntValue,
63 StringRef StringValue);
64
65 void emitTargetAttributes(const MCSubtargetInfo &STI, bool EmitStackAlign);
66 void setTargetABI(RISCVABI::ABI ABI);
67 RISCVABI::ABI getTargetABI() const { return TargetABI; }
68 bool hasTargetABI() const { return TargetABI != RISCVABI::ABI_Unknown; }
69 virtual void setFlagsFromFeatures(const MCSubtargetInfo &STI);
70 bool hasRVC() const { return HasRVC; }
71 bool hasTSO() const { return HasTSO; }
72};
73
74// This part is for ascii assembly output
75class RISCVTargetAsmStreamer : public RISCVTargetStreamer {
76 formatted_raw_ostream &OS;
77
78 void finishAttributeSection() override;
79 void emitAttribute(unsigned Attribute, unsigned Value) override;
80 void emitTextAttribute(unsigned Attribute, StringRef String) override;
81 void emitIntTextAttribute(unsigned Attribute, unsigned IntValue,
82 StringRef StringValue) override;
83
84public:
85 RISCVTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
86
87 void emitDirectiveOptionArch(ArrayRef<RISCVOptionArchArg> Args) override;
88 void emitDirectiveOptionExact() override;
89 void emitDirectiveOptionNoExact() override;
90 void emitDirectiveOptionPIC() override;
91 void emitDirectiveOptionNoPIC() override;
92 void emitDirectiveOptionPop() override;
93 void emitDirectiveOptionPush() override;
94 void emitDirectiveOptionRelax() override;
95 void emitDirectiveOptionNoRelax() override;
96 void emitDirectiveOptionRVC() override;
97 void emitDirectiveOptionNoRVC() override;
98 void emitDirectiveVariantCC(MCSymbol &Symbol) override;
99};
100
101}
102#endif
103