1 //===-- MipsTargetStreamer.h - Mips Target Streamer ------------*- C++ -*--===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef MIPSTARGETSTREAMER_H
11 #define MIPSTARGETSTREAMER_H
12 
13 #include "llvm/MC/MCELFStreamer.h"
14 #include "llvm/MC/MCStreamer.h"
15 
16 namespace llvm {
17 class MipsTargetStreamer : public MCTargetStreamer {
18   virtual void anchor();
19 
20 public:
21   MipsTargetStreamer(MCStreamer &S);
22   virtual void emitDirectiveSetMicroMips() = 0;
23   virtual void emitDirectiveSetNoMicroMips() = 0;
24   virtual void emitDirectiveSetMips16() = 0;
25   virtual void emitDirectiveSetNoMips16() = 0;
26 
27   virtual void emitDirectiveSetReorder() = 0;
28   virtual void emitDirectiveSetNoReorder() = 0;
29   virtual void emitDirectiveSetMacro() = 0;
30   virtual void emitDirectiveSetNoMacro() = 0;
31   virtual void emitDirectiveSetAt() = 0;
32   virtual void emitDirectiveSetNoAt() = 0;
33   virtual void emitDirectiveEnd(StringRef Name) = 0;
34 
35   virtual void emitDirectiveEnt(const MCSymbol &Symbol) = 0;
36   virtual void emitDirectiveAbiCalls() = 0;
37   virtual void emitDirectiveOptionPic0() = 0;
38   virtual void emitFrame(unsigned StackReg, unsigned StackSize,
39                          unsigned ReturnReg) = 0;
40   virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) = 0;
41   virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) = 0;
42 };
43 
44 // This part is for ascii assembly output
45 class MipsTargetAsmStreamer : public MipsTargetStreamer {
46   formatted_raw_ostream &OS;
47 
48 public:
49   MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
50   virtual void emitDirectiveSetMicroMips();
51   virtual void emitDirectiveSetNoMicroMips();
52   virtual void emitDirectiveSetMips16();
53   virtual void emitDirectiveSetNoMips16();
54 
55   virtual void emitDirectiveSetReorder();
56   virtual void emitDirectiveSetNoReorder();
57   virtual void emitDirectiveSetMacro();
58   virtual void emitDirectiveSetNoMacro();
59   virtual void emitDirectiveSetAt();
60   virtual void emitDirectiveSetNoAt();
61   virtual void emitDirectiveEnd(StringRef Name);
62 
63   virtual void emitDirectiveEnt(const MCSymbol &Symbol);
64   virtual void emitDirectiveAbiCalls();
65   virtual void emitDirectiveOptionPic0();
66   virtual void emitFrame(unsigned StackReg, unsigned StackSize,
67                          unsigned ReturnReg);
68   virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
69   virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
70 };
71 
72 // This part is for ELF object output
73 class MipsTargetELFStreamer : public MipsTargetStreamer {
74   bool MicroMipsEnabled;
75   const MCSubtargetInfo &STI;
76 
77 public:
78   bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
79   MCELFStreamer &getStreamer();
80   MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
81 
82   virtual void emitLabel(MCSymbol *Symbol) LLVM_OVERRIDE;
83   void finish() LLVM_OVERRIDE;
84 
85   virtual void emitDirectiveSetMicroMips();
86   virtual void emitDirectiveSetNoMicroMips();
87   virtual void emitDirectiveSetMips16();
88   virtual void emitDirectiveSetNoMips16();
89 
90   virtual void emitDirectiveSetReorder();
91   virtual void emitDirectiveSetNoReorder();
92   virtual void emitDirectiveSetMacro();
93   virtual void emitDirectiveSetNoMacro();
94   virtual void emitDirectiveSetAt();
95   virtual void emitDirectiveSetNoAt();
96   virtual void emitDirectiveEnd(StringRef Name);
97 
98   virtual void emitDirectiveEnt(const MCSymbol &Symbol);
99   virtual void emitDirectiveAbiCalls();
100   virtual void emitDirectiveOptionPic0();
101   virtual void emitFrame(unsigned StackReg, unsigned StackSize,
102                          unsigned ReturnReg);
103   virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
104   virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
105 };
106 }
107 #endif
108