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 "MCTargetDesc/MipsABIFlagsSection.h"
14 #include "MCTargetDesc/MipsABIInfo.h"
15 #include "llvm/MC/MCELFStreamer.h"
16 #include "llvm/MC/MCRegisterInfo.h"
17 #include "llvm/MC/MCStreamer.h"
21 struct MipsABIFlagsSection;
23 class MipsTargetStreamer : public MCTargetStreamer {
25 MipsTargetStreamer(MCStreamer &S);
26 virtual void emitDirectiveSetMicroMips();
27 virtual void emitDirectiveSetNoMicroMips();
28 virtual void emitDirectiveSetMips16();
29 virtual void emitDirectiveSetNoMips16();
31 virtual void emitDirectiveSetReorder();
32 virtual void emitDirectiveSetNoReorder();
33 virtual void emitDirectiveSetMacro();
34 virtual void emitDirectiveSetNoMacro();
35 virtual void emitDirectiveSetMsa();
36 virtual void emitDirectiveSetNoMsa();
37 virtual void emitDirectiveSetAt();
38 virtual void emitDirectiveSetAtWithArg(unsigned RegNo);
39 virtual void emitDirectiveSetNoAt();
40 virtual void emitDirectiveEnd(StringRef Name);
42 virtual void emitDirectiveEnt(const MCSymbol &Symbol);
43 virtual void emitDirectiveAbiCalls();
44 virtual void emitDirectiveNaN2008();
45 virtual void emitDirectiveNaNLegacy();
46 virtual void emitDirectiveOptionPic0();
47 virtual void emitDirectiveOptionPic2();
48 virtual void emitFrame(unsigned StackReg, unsigned StackSize,
50 virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
51 virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
53 virtual void emitDirectiveSetArch(StringRef Arch);
54 virtual void emitDirectiveSetMips0();
55 virtual void emitDirectiveSetMips1();
56 virtual void emitDirectiveSetMips2();
57 virtual void emitDirectiveSetMips3();
58 virtual void emitDirectiveSetMips4();
59 virtual void emitDirectiveSetMips5();
60 virtual void emitDirectiveSetMips32();
61 virtual void emitDirectiveSetMips32R2();
62 virtual void emitDirectiveSetMips32R6();
63 virtual void emitDirectiveSetMips64();
64 virtual void emitDirectiveSetMips64R2();
65 virtual void emitDirectiveSetMips64R6();
66 virtual void emitDirectiveSetDsp();
67 virtual void emitDirectiveSetNoDsp();
68 virtual void emitDirectiveSetPop();
69 virtual void emitDirectiveSetPush();
72 virtual void emitDirectiveCpLoad(unsigned RegNo);
73 virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
74 const MCSymbol &Sym, bool IsReg);
76 /// Emit a '.module fp=value' directive using the given values.
77 /// Updates the .MIPS.abiflags section
78 virtual void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
80 ABIFlagsSection.setFpABI(Value, Is32BitABI);
83 /// Emit a '.module fp=value' directive using the current values of the
84 /// .MIPS.abiflags section.
85 void emitDirectiveModuleFP() {
86 emitDirectiveModuleFP(ABIFlagsSection.getFpABI(),
87 ABIFlagsSection.Is32BitABI);
90 virtual void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI);
91 virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value){};
92 virtual void emitMipsAbiFlags(){};
93 void forbidModuleDirective() { ModuleDirectiveAllowed = false; }
94 bool isModuleDirectiveAllowed() { return ModuleDirectiveAllowed; }
96 // This method enables template classes to set internal abi flags
98 template <class PredicateLibrary>
99 void updateABIInfo(const PredicateLibrary &P) {
101 ABIFlagsSection.setAllFromPredicates(P);
104 MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
105 const MipsABIInfo &getABI() const {
106 assert(ABI && "ABI hasn't been set!");
111 const MipsABIInfo *ABI;
112 MipsABIFlagsSection ABIFlagsSection;
128 bool ModuleDirectiveAllowed;
131 // This part is for ascii assembly output
132 class MipsTargetAsmStreamer : public MipsTargetStreamer {
133 formatted_raw_ostream &OS;
136 MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
137 void emitDirectiveSetMicroMips() override;
138 void emitDirectiveSetNoMicroMips() override;
139 void emitDirectiveSetMips16() override;
140 void emitDirectiveSetNoMips16() override;
142 void emitDirectiveSetReorder() override;
143 void emitDirectiveSetNoReorder() override;
144 void emitDirectiveSetMacro() override;
145 void emitDirectiveSetNoMacro() override;
146 void emitDirectiveSetMsa() override;
147 void emitDirectiveSetNoMsa() override;
148 void emitDirectiveSetAt() override;
149 void emitDirectiveSetAtWithArg(unsigned RegNo) override;
150 void emitDirectiveSetNoAt() override;
151 void emitDirectiveEnd(StringRef Name) override;
153 void emitDirectiveEnt(const MCSymbol &Symbol) override;
154 void emitDirectiveAbiCalls() override;
155 void emitDirectiveNaN2008() override;
156 void emitDirectiveNaNLegacy() override;
157 void emitDirectiveOptionPic0() override;
158 void emitDirectiveOptionPic2() override;
159 void emitFrame(unsigned StackReg, unsigned StackSize,
160 unsigned ReturnReg) override;
161 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
162 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
164 void emitDirectiveSetArch(StringRef Arch) override;
165 void emitDirectiveSetMips0() override;
166 void emitDirectiveSetMips1() override;
167 void emitDirectiveSetMips2() override;
168 void emitDirectiveSetMips3() override;
169 void emitDirectiveSetMips4() override;
170 void emitDirectiveSetMips5() override;
171 void emitDirectiveSetMips32() override;
172 void emitDirectiveSetMips32R2() override;
173 void emitDirectiveSetMips32R6() override;
174 void emitDirectiveSetMips64() override;
175 void emitDirectiveSetMips64R2() override;
176 void emitDirectiveSetMips64R6() override;
177 void emitDirectiveSetDsp() override;
178 void emitDirectiveSetNoDsp() override;
179 void emitDirectiveSetPop() override;
180 void emitDirectiveSetPush() override;
183 void emitDirectiveCpLoad(unsigned RegNo) override;
184 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
185 const MCSymbol &Sym, bool IsReg) override;
188 void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
189 bool Is32BitABI) override;
190 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
191 void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
192 void emitMipsAbiFlags() override;
195 // This part is for ELF object output
196 class MipsTargetELFStreamer : public MipsTargetStreamer {
197 bool MicroMipsEnabled;
198 const MCSubtargetInfo &STI;
202 bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
203 MCELFStreamer &getStreamer();
204 MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
206 void emitLabel(MCSymbol *Symbol) override;
207 void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
208 void finish() override;
210 void emitDirectiveSetMicroMips() override;
211 void emitDirectiveSetNoMicroMips() override;
212 void emitDirectiveSetMips16() override;
214 void emitDirectiveSetNoReorder() override;
215 void emitDirectiveEnd(StringRef Name) override;
217 void emitDirectiveEnt(const MCSymbol &Symbol) override;
218 void emitDirectiveAbiCalls() override;
219 void emitDirectiveNaN2008() override;
220 void emitDirectiveNaNLegacy() override;
221 void emitDirectiveOptionPic0() override;
222 void emitDirectiveOptionPic2() override;
223 void emitFrame(unsigned StackReg, unsigned StackSize,
224 unsigned ReturnReg) override;
225 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
226 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
229 void emitDirectiveCpLoad(unsigned RegNo) override;
230 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
231 const MCSymbol &Sym, bool IsReg) override;
234 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
235 void emitMipsAbiFlags() override;