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 emitDirectiveSetMips32R3();
63 virtual void emitDirectiveSetMips32R5();
64 virtual void emitDirectiveSetMips32R6();
65 virtual void emitDirectiveSetMips64();
66 virtual void emitDirectiveSetMips64R2();
67 virtual void emitDirectiveSetMips64R3();
68 virtual void emitDirectiveSetMips64R5();
69 virtual void emitDirectiveSetMips64R6();
70 virtual void emitDirectiveSetDsp();
71 virtual void emitDirectiveSetNoDsp();
72 virtual void emitDirectiveSetPop();
73 virtual void emitDirectiveSetPush();
76 virtual void emitDirectiveCpLoad(unsigned RegNo);
77 virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
78 const MCSymbol &Sym, bool IsReg);
80 /// Emit a '.module fp=value' directive using the given values.
81 /// Updates the .MIPS.abiflags section
82 virtual void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
84 ABIFlagsSection.setFpABI(Value, Is32BitABI);
87 /// Emit a '.module fp=value' directive using the current values of the
88 /// .MIPS.abiflags section.
89 void emitDirectiveModuleFP() {
90 emitDirectiveModuleFP(ABIFlagsSection.getFpABI(),
91 ABIFlagsSection.Is32BitABI);
94 virtual void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI);
95 virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value);
96 void forbidModuleDirective() { ModuleDirectiveAllowed = false; }
97 void reallowModuleDirective() { ModuleDirectiveAllowed = true; }
98 bool isModuleDirectiveAllowed() { return ModuleDirectiveAllowed; }
100 // This method enables template classes to set internal abi flags
102 template <class PredicateLibrary>
103 void updateABIInfo(const PredicateLibrary &P) {
105 ABIFlagsSection.setAllFromPredicates(P);
108 MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
109 const MipsABIInfo &getABI() const {
110 assert(ABI && "ABI hasn't been set!");
115 const MipsABIInfo *ABI;
116 MipsABIFlagsSection ABIFlagsSection;
132 bool ModuleDirectiveAllowed;
135 // This part is for ascii assembly output
136 class MipsTargetAsmStreamer : public MipsTargetStreamer {
137 formatted_raw_ostream &OS;
140 MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
141 void emitDirectiveSetMicroMips() override;
142 void emitDirectiveSetNoMicroMips() override;
143 void emitDirectiveSetMips16() override;
144 void emitDirectiveSetNoMips16() override;
146 void emitDirectiveSetReorder() override;
147 void emitDirectiveSetNoReorder() override;
148 void emitDirectiveSetMacro() override;
149 void emitDirectiveSetNoMacro() override;
150 void emitDirectiveSetMsa() override;
151 void emitDirectiveSetNoMsa() override;
152 void emitDirectiveSetAt() override;
153 void emitDirectiveSetAtWithArg(unsigned RegNo) override;
154 void emitDirectiveSetNoAt() override;
155 void emitDirectiveEnd(StringRef Name) override;
157 void emitDirectiveEnt(const MCSymbol &Symbol) override;
158 void emitDirectiveAbiCalls() override;
159 void emitDirectiveNaN2008() override;
160 void emitDirectiveNaNLegacy() override;
161 void emitDirectiveOptionPic0() override;
162 void emitDirectiveOptionPic2() override;
163 void emitFrame(unsigned StackReg, unsigned StackSize,
164 unsigned ReturnReg) override;
165 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
166 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
168 void emitDirectiveSetArch(StringRef Arch) override;
169 void emitDirectiveSetMips0() override;
170 void emitDirectiveSetMips1() override;
171 void emitDirectiveSetMips2() override;
172 void emitDirectiveSetMips3() override;
173 void emitDirectiveSetMips4() override;
174 void emitDirectiveSetMips5() override;
175 void emitDirectiveSetMips32() override;
176 void emitDirectiveSetMips32R2() override;
177 void emitDirectiveSetMips32R3() override;
178 void emitDirectiveSetMips32R5() override;
179 void emitDirectiveSetMips32R6() override;
180 void emitDirectiveSetMips64() override;
181 void emitDirectiveSetMips64R2() override;
182 void emitDirectiveSetMips64R3() override;
183 void emitDirectiveSetMips64R5() override;
184 void emitDirectiveSetMips64R6() override;
185 void emitDirectiveSetDsp() override;
186 void emitDirectiveSetNoDsp() override;
187 void emitDirectiveSetPop() override;
188 void emitDirectiveSetPush() override;
191 void emitDirectiveCpLoad(unsigned RegNo) override;
192 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
193 const MCSymbol &Sym, bool IsReg) override;
196 void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
197 bool Is32BitABI) override;
198 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
199 void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
202 // This part is for ELF object output
203 class MipsTargetELFStreamer : public MipsTargetStreamer {
204 bool MicroMipsEnabled;
205 const MCSubtargetInfo &STI;
209 bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
210 MCELFStreamer &getStreamer();
211 MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
213 void emitLabel(MCSymbol *Symbol) override;
214 void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
215 void finish() override;
217 void emitDirectiveSetMicroMips() override;
218 void emitDirectiveSetNoMicroMips() override;
219 void emitDirectiveSetMips16() override;
221 void emitDirectiveSetNoReorder() override;
222 void emitDirectiveEnd(StringRef Name) override;
224 void emitDirectiveEnt(const MCSymbol &Symbol) override;
225 void emitDirectiveAbiCalls() override;
226 void emitDirectiveNaN2008() override;
227 void emitDirectiveNaNLegacy() override;
228 void emitDirectiveOptionPic0() override;
229 void emitDirectiveOptionPic2() override;
230 void emitFrame(unsigned StackReg, unsigned StackSize,
231 unsigned ReturnReg) override;
232 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
233 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
236 void emitDirectiveCpLoad(unsigned RegNo) override;
237 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
238 const MCSymbol &Sym, bool IsReg) override;
241 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
242 void emitMipsAbiFlags();