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 emitDirectiveSetMips1();
49 virtual void emitDirectiveSetMips2();
50 virtual void emitDirectiveSetMips3();
51 virtual void emitDirectiveSetMips4();
52 virtual void emitDirectiveSetMips5();
53 virtual void emitDirectiveSetMips32();
54 virtual void emitDirectiveSetMips32R2();
55 virtual void emitDirectiveSetMips32R6();
56 virtual void emitDirectiveSetMips64();
57 virtual void emitDirectiveSetMips64R2();
58 virtual void emitDirectiveSetMips64R6();
59 virtual void emitDirectiveSetDsp();
62 virtual void emitDirectiveCpload(unsigned RegNo);
63 virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
64 const MCSymbol &Sym, bool IsReg);
66 /// Emit a '.module fp=value' directive using the given values.
67 /// Updates the .MIPS.abiflags section
68 virtual void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
70 ABIFlagsSection.setFpABI(Value, Is32BitABI);
73 /// Emit a '.module fp=value' directive using the current values of the
74 /// .MIPS.abiflags section.
75 void emitDirectiveModuleFP() {
76 emitDirectiveModuleFP(ABIFlagsSection.getFpABI(),
77 ABIFlagsSection.Is32BitABI);
80 virtual void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI);
81 virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value){};
82 virtual void emitMipsAbiFlags(){};
83 void setCanHaveModuleDir(bool Can) { canHaveModuleDirective = Can; }
84 bool getCanHaveModuleDir() { return canHaveModuleDirective; }
86 // This method enables template classes to set internal abi flags
88 template <class PredicateLibrary>
89 void updateABIInfo(const PredicateLibrary &P) {
90 ABIFlagsSection.setAllFromPredicates(P);
93 MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
96 MipsABIFlagsSection ABIFlagsSection;
99 bool canHaveModuleDirective;
102 // This part is for ascii assembly output
103 class MipsTargetAsmStreamer : public MipsTargetStreamer {
104 formatted_raw_ostream &OS;
107 MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
108 void emitDirectiveSetMicroMips() override;
109 void emitDirectiveSetNoMicroMips() override;
110 void emitDirectiveSetMips16() override;
111 void emitDirectiveSetNoMips16() override;
113 void emitDirectiveSetReorder() override;
114 void emitDirectiveSetNoReorder() override;
115 void emitDirectiveSetMacro() override;
116 void emitDirectiveSetNoMacro() override;
117 void emitDirectiveSetAt() override;
118 void emitDirectiveSetNoAt() override;
119 void emitDirectiveEnd(StringRef Name) override;
121 void emitDirectiveEnt(const MCSymbol &Symbol) override;
122 void emitDirectiveAbiCalls() override;
123 void emitDirectiveNaN2008() override;
124 void emitDirectiveNaNLegacy() override;
125 void emitDirectiveOptionPic0() override;
126 void emitDirectiveOptionPic2() override;
127 void emitFrame(unsigned StackReg, unsigned StackSize,
128 unsigned ReturnReg) override;
129 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
130 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
132 void emitDirectiveSetMips1() override;
133 void emitDirectiveSetMips2() override;
134 void emitDirectiveSetMips3() override;
135 void emitDirectiveSetMips4() override;
136 void emitDirectiveSetMips5() override;
137 void emitDirectiveSetMips32() override;
138 void emitDirectiveSetMips32R2() override;
139 void emitDirectiveSetMips32R6() override;
140 void emitDirectiveSetMips64() override;
141 void emitDirectiveSetMips64R2() override;
142 void emitDirectiveSetMips64R6() override;
143 void emitDirectiveSetDsp() override;
146 virtual void emitDirectiveCpload(unsigned RegNo);
147 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
148 const MCSymbol &Sym, bool IsReg) override;
151 void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
152 bool Is32BitABI) override;
153 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
154 void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
155 void emitMipsAbiFlags() override;
158 // This part is for ELF object output
159 class MipsTargetELFStreamer : public MipsTargetStreamer {
160 bool MicroMipsEnabled;
161 const MCSubtargetInfo &STI;
165 bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
166 MCELFStreamer &getStreamer();
167 MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
169 void emitLabel(MCSymbol *Symbol) override;
170 void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
171 void finish() override;
173 void emitDirectiveSetMicroMips() override;
174 void emitDirectiveSetNoMicroMips() override;
175 void emitDirectiveSetMips16() override;
176 void emitDirectiveSetNoMips16() override;
178 void emitDirectiveSetReorder() override;
179 void emitDirectiveSetNoReorder() override;
180 void emitDirectiveSetMacro() override;
181 void emitDirectiveSetNoMacro() override;
182 void emitDirectiveSetAt() override;
183 void emitDirectiveSetNoAt() override;
184 void emitDirectiveEnd(StringRef Name) override;
186 void emitDirectiveEnt(const MCSymbol &Symbol) override;
187 void emitDirectiveAbiCalls() override;
188 void emitDirectiveNaN2008() override;
189 void emitDirectiveNaNLegacy() override;
190 void emitDirectiveOptionPic0() override;
191 void emitDirectiveOptionPic2() override;
192 void emitFrame(unsigned StackReg, unsigned StackSize,
193 unsigned ReturnReg) override;
194 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
195 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
197 void emitDirectiveSetMips1() override;
198 void emitDirectiveSetMips2() override;
199 void emitDirectiveSetMips3() override;
200 void emitDirectiveSetMips4() override;
201 void emitDirectiveSetMips5() override;
202 void emitDirectiveSetMips32() override;
203 void emitDirectiveSetMips32R2() override;
204 void emitDirectiveSetMips32R6() override;
205 void emitDirectiveSetMips64() override;
206 void emitDirectiveSetMips64R2() override;
207 void emitDirectiveSetMips64R6() override;
208 void emitDirectiveSetDsp() override;
211 virtual void emitDirectiveCpload(unsigned RegNo);
212 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
213 const MCSymbol &Sym, bool IsReg) override;
216 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
217 void emitMipsAbiFlags() override;
220 bool isO32() const { return STI.getFeatureBits() & Mips::FeatureO32; }
221 bool isN32() const { return STI.getFeatureBits() & Mips::FeatureN32; }
222 bool isN64() const { return STI.getFeatureBits() & Mips::FeatureN64; }