1 //===-- MipsTargetStreamer.h - Mips Target Streamer ------------*- C++ -*--===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef MIPSTARGETSTREAMER_H
11 #define MIPSTARGETSTREAMER_H
13 #include "llvm/MC/MCELFStreamer.h"
14 #include "llvm/MC/MCStreamer.h"
15 #include "MCTargetDesc/MipsABIFlagsSection.h"
19 struct MipsABIFlagsSection;
21 class MipsTargetStreamer : public MCTargetStreamer {
23 MipsTargetStreamer(MCStreamer &S);
24 virtual void emitDirectiveSetMicroMips();
25 virtual void emitDirectiveSetNoMicroMips();
26 virtual void emitDirectiveSetMips16();
27 virtual void emitDirectiveSetNoMips16();
29 virtual void emitDirectiveSetReorder();
30 virtual void emitDirectiveSetNoReorder();
31 virtual void emitDirectiveSetMacro();
32 virtual void emitDirectiveSetNoMacro();
33 virtual void emitDirectiveSetAt();
34 virtual void emitDirectiveSetNoAt();
35 virtual void emitDirectiveEnd(StringRef Name);
37 virtual void emitDirectiveEnt(const MCSymbol &Symbol);
38 virtual void emitDirectiveAbiCalls();
39 virtual void emitDirectiveNaN2008();
40 virtual void emitDirectiveNaNLegacy();
41 virtual void emitDirectiveOptionPic0();
42 virtual void emitDirectiveOptionPic2();
43 virtual void emitFrame(unsigned StackReg, unsigned StackSize,
45 virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
46 virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
48 virtual void emitDirectiveSetMips32R2();
49 virtual void emitDirectiveSetMips64();
50 virtual void emitDirectiveSetMips64R2();
51 virtual void emitDirectiveSetDsp();
54 virtual void emitDirectiveCpload(unsigned RegNo);
55 virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
56 const MCSymbol &Sym, bool IsReg);
58 /// Emit a '.module fp=value' directive using the given values.
59 /// Updates the .MIPS.abiflags section
60 virtual void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
62 ABIFlagsSection.setFpABI(Value, Is32BitABI);
65 /// Emit a '.module fp=value' directive using the current values of the
66 /// .MIPS.abiflags section.
67 void emitDirectiveModuleFP() {
68 emitDirectiveModuleFP(ABIFlagsSection.getFpABI(),
69 ABIFlagsSection.Is32BitABI);
72 virtual void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI);
73 virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value){};
74 virtual void emitMipsAbiFlags(){};
75 void setCanHaveModuleDir(bool Can) { canHaveModuleDirective = Can; }
76 bool getCanHaveModuleDir() { return canHaveModuleDirective; }
78 // This method enables template classes to set internal abi flags
80 template <class PredicateLibrary>
81 void updateABIInfo(const PredicateLibrary &P) {
82 ABIFlagsSection.setAllFromPredicates(P);
85 MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
88 MipsABIFlagsSection ABIFlagsSection;
91 bool canHaveModuleDirective;
94 // This part is for ascii assembly output
95 class MipsTargetAsmStreamer : public MipsTargetStreamer {
96 formatted_raw_ostream &OS;
99 MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
100 void emitDirectiveSetMicroMips() override;
101 void emitDirectiveSetNoMicroMips() override;
102 void emitDirectiveSetMips16() override;
103 void emitDirectiveSetNoMips16() override;
105 void emitDirectiveSetReorder() override;
106 void emitDirectiveSetNoReorder() override;
107 void emitDirectiveSetMacro() override;
108 void emitDirectiveSetNoMacro() override;
109 void emitDirectiveSetAt() override;
110 void emitDirectiveSetNoAt() override;
111 void emitDirectiveEnd(StringRef Name) override;
113 void emitDirectiveEnt(const MCSymbol &Symbol) override;
114 void emitDirectiveAbiCalls() override;
115 void emitDirectiveNaN2008() override;
116 void emitDirectiveNaNLegacy() override;
117 void emitDirectiveOptionPic0() override;
118 void emitDirectiveOptionPic2() override;
119 void emitFrame(unsigned StackReg, unsigned StackSize,
120 unsigned ReturnReg) override;
121 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
122 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
124 void emitDirectiveSetMips32R2() override;
125 void emitDirectiveSetMips64() override;
126 void emitDirectiveSetMips64R2() override;
127 void emitDirectiveSetDsp() override;
130 virtual void emitDirectiveCpload(unsigned RegNo);
131 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
132 const MCSymbol &Sym, bool IsReg) override;
135 void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
136 bool Is32BitABI) override;
137 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
138 void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
139 void emitMipsAbiFlags() override;
142 // This part is for ELF object output
143 class MipsTargetELFStreamer : public MipsTargetStreamer {
144 bool MicroMipsEnabled;
145 const MCSubtargetInfo &STI;
149 bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
150 MCELFStreamer &getStreamer();
151 MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
153 void emitLabel(MCSymbol *Symbol) override;
154 void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
155 void finish() override;
157 void emitDirectiveSetMicroMips() override;
158 void emitDirectiveSetNoMicroMips() override;
159 void emitDirectiveSetMips16() override;
160 void emitDirectiveSetNoMips16() override;
162 void emitDirectiveSetReorder() override;
163 void emitDirectiveSetNoReorder() override;
164 void emitDirectiveSetMacro() override;
165 void emitDirectiveSetNoMacro() override;
166 void emitDirectiveSetAt() override;
167 void emitDirectiveSetNoAt() override;
168 void emitDirectiveEnd(StringRef Name) override;
170 void emitDirectiveEnt(const MCSymbol &Symbol) override;
171 void emitDirectiveAbiCalls() override;
172 void emitDirectiveNaN2008() override;
173 void emitDirectiveNaNLegacy() override;
174 void emitDirectiveOptionPic0() override;
175 void emitDirectiveOptionPic2() override;
176 void emitFrame(unsigned StackReg, unsigned StackSize,
177 unsigned ReturnReg) override;
178 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
179 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
181 void emitDirectiveSetMips32R2() override;
182 void emitDirectiveSetMips64() override;
183 void emitDirectiveSetMips64R2() override;
184 void emitDirectiveSetDsp() override;
187 virtual void emitDirectiveCpload(unsigned RegNo);
188 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
189 const MCSymbol &Sym, bool IsReg) override;
192 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
193 void emitMipsAbiFlags() override;
196 bool isO32() const { return STI.getFeatureBits() & Mips::FeatureO32; }
197 bool isN32() const { return STI.getFeatureBits() & Mips::FeatureN32; }
198 bool isN64() const { return STI.getFeatureBits() & Mips::FeatureN64; }