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 LLVM_LIB_TARGET_MIPS_MIPSTARGETSTREAMER_H
11 #define LLVM_LIB_TARGET_MIPS_MIPSTARGETSTREAMER_H
13 #include "llvm/MC/MCELFStreamer.h"
14 #include "llvm/MC/MCRegisterInfo.h"
15 #include "llvm/MC/MCStreamer.h"
16 #include "MCTargetDesc/MipsABIFlagsSection.h"
20 struct MipsABIFlagsSection;
22 class MipsTargetStreamer : public MCTargetStreamer {
24 MipsTargetStreamer(MCStreamer &S);
25 virtual void emitDirectiveSetMicroMips();
26 virtual void emitDirectiveSetNoMicroMips();
27 virtual void emitDirectiveSetMips16();
28 virtual void emitDirectiveSetNoMips16();
30 virtual void emitDirectiveSetReorder();
31 virtual void emitDirectiveSetNoReorder();
32 virtual void emitDirectiveSetMacro();
33 virtual void emitDirectiveSetNoMacro();
34 virtual void emitDirectiveSetMsa();
35 virtual void emitDirectiveSetNoMsa();
36 virtual void emitDirectiveSetAt();
37 virtual void emitDirectiveSetNoAt();
38 virtual void emitDirectiveEnd(StringRef Name);
40 virtual void emitDirectiveEnt(const MCSymbol &Symbol);
41 virtual void emitDirectiveAbiCalls();
42 virtual void emitDirectiveNaN2008();
43 virtual void emitDirectiveNaNLegacy();
44 virtual void emitDirectiveOptionPic0();
45 virtual void emitDirectiveOptionPic2();
46 virtual void emitFrame(unsigned StackReg, unsigned StackSize,
48 virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
49 virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
51 virtual void emitDirectiveSetMips1();
52 virtual void emitDirectiveSetMips2();
53 virtual void emitDirectiveSetMips3();
54 virtual void emitDirectiveSetMips4();
55 virtual void emitDirectiveSetMips5();
56 virtual void emitDirectiveSetMips32();
57 virtual void emitDirectiveSetMips32R2();
58 virtual void emitDirectiveSetMips32R6();
59 virtual void emitDirectiveSetMips64();
60 virtual void emitDirectiveSetMips64R2();
61 virtual void emitDirectiveSetMips64R6();
62 virtual void emitDirectiveSetDsp();
65 virtual void emitDirectiveCpload(unsigned RegNo);
66 virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
67 const MCSymbol &Sym, bool IsReg);
69 /// Emit a '.module fp=value' directive using the given values.
70 /// Updates the .MIPS.abiflags section
71 virtual void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
73 ABIFlagsSection.setFpABI(Value, Is32BitABI);
76 /// Emit a '.module fp=value' directive using the current values of the
77 /// .MIPS.abiflags section.
78 void emitDirectiveModuleFP() {
79 emitDirectiveModuleFP(ABIFlagsSection.getFpABI(),
80 ABIFlagsSection.Is32BitABI);
83 virtual void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI);
84 virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value){};
85 virtual void emitMipsAbiFlags(){};
86 void setCanHaveModuleDir(bool Can) { canHaveModuleDirective = Can; }
87 bool getCanHaveModuleDir() { return canHaveModuleDirective; }
89 // This method enables template classes to set internal abi flags
91 template <class PredicateLibrary>
92 void updateABIInfo(const PredicateLibrary &P) {
93 ABIFlagsSection.setAllFromPredicates(P);
96 MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
99 MipsABIFlagsSection ABIFlagsSection;
115 bool canHaveModuleDirective;
118 // This part is for ascii assembly output
119 class MipsTargetAsmStreamer : public MipsTargetStreamer {
120 formatted_raw_ostream &OS;
123 MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
124 void emitDirectiveSetMicroMips() override;
125 void emitDirectiveSetNoMicroMips() override;
126 void emitDirectiveSetMips16() override;
127 void emitDirectiveSetNoMips16() override;
129 void emitDirectiveSetReorder() override;
130 void emitDirectiveSetNoReorder() override;
131 void emitDirectiveSetMacro() override;
132 void emitDirectiveSetNoMacro() override;
133 void emitDirectiveSetMsa() override;
134 void emitDirectiveSetNoMsa() override;
135 void emitDirectiveSetAt() override;
136 void emitDirectiveSetNoAt() override;
137 void emitDirectiveEnd(StringRef Name) override;
139 void emitDirectiveEnt(const MCSymbol &Symbol) override;
140 void emitDirectiveAbiCalls() override;
141 void emitDirectiveNaN2008() override;
142 void emitDirectiveNaNLegacy() override;
143 void emitDirectiveOptionPic0() override;
144 void emitDirectiveOptionPic2() override;
145 void emitFrame(unsigned StackReg, unsigned StackSize,
146 unsigned ReturnReg) override;
147 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
148 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
150 void emitDirectiveSetMips1() override;
151 void emitDirectiveSetMips2() override;
152 void emitDirectiveSetMips3() override;
153 void emitDirectiveSetMips4() override;
154 void emitDirectiveSetMips5() override;
155 void emitDirectiveSetMips32() override;
156 void emitDirectiveSetMips32R2() override;
157 void emitDirectiveSetMips32R6() override;
158 void emitDirectiveSetMips64() override;
159 void emitDirectiveSetMips64R2() override;
160 void emitDirectiveSetMips64R6() override;
161 void emitDirectiveSetDsp() override;
164 virtual void emitDirectiveCpload(unsigned RegNo);
165 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
166 const MCSymbol &Sym, bool IsReg) override;
169 void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
170 bool Is32BitABI) override;
171 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
172 void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
173 void emitMipsAbiFlags() override;
176 // This part is for ELF object output
177 class MipsTargetELFStreamer : public MipsTargetStreamer {
178 bool MicroMipsEnabled;
179 const MCSubtargetInfo &STI;
183 bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
184 MCELFStreamer &getStreamer();
185 MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
187 void emitLabel(MCSymbol *Symbol) override;
188 void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
189 void finish() override;
191 void emitDirectiveSetMicroMips() override;
192 void emitDirectiveSetNoMicroMips() override;
193 void emitDirectiveSetMips16() override;
195 void emitDirectiveSetNoReorder() override;
196 void emitDirectiveEnd(StringRef Name) override;
198 void emitDirectiveEnt(const MCSymbol &Symbol) override;
199 void emitDirectiveAbiCalls() override;
200 void emitDirectiveNaN2008() override;
201 void emitDirectiveNaNLegacy() override;
202 void emitDirectiveOptionPic0() override;
203 void emitDirectiveOptionPic2() override;
204 void emitFrame(unsigned StackReg, unsigned StackSize,
205 unsigned ReturnReg) override;
206 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
207 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
210 virtual void emitDirectiveCpload(unsigned RegNo);
211 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
212 const MCSymbol &Sym, bool IsReg) override;
215 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
216 void emitMipsAbiFlags() override;
219 bool isO32() const { return STI.getFeatureBits() & Mips::FeatureO32; }
220 bool isN32() const { return STI.getFeatureBits() & Mips::FeatureN32; }
221 bool isN64() const { return STI.getFeatureBits() & Mips::FeatureN64; }