1//=- SystemZTargetStreamer.h - SystemZ Target Streamer ----------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETSTREAMER_H
10#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETSTREAMER_H
11
12#include "llvm/ADT/StringRef.h"
13#include "llvm/MC/MCContext.h"
14#include "llvm/MC/MCExpr.h"
15#include "llvm/MC/MCInst.h"
16#include "llvm/MC/MCSectionGOFF.h"
17#include "llvm/MC/MCStreamer.h"
18#include "llvm/MC/MCSymbol.h"
19#include "llvm/MC/MCSymbolGOFF.h"
20#include "llvm/Support/FormattedStream.h"
21#include <map>
22#include <utility>
23
24namespace llvm {
25class MCGOFFStreamer;
26class SystemZHLASMAsmStreamer;
27
28class SystemZTargetStreamer : public MCTargetStreamer {
29public:
30 SystemZTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
31
32 typedef std::pair<MCInst, const MCSubtargetInfo *> MCInstSTIPair;
33 struct CmpMCInst {
34 bool operator()(const MCInstSTIPair &MCI_STI_A,
35 const MCInstSTIPair &MCI_STI_B) const {
36 if (MCI_STI_A.second != MCI_STI_B.second)
37 return uintptr_t(MCI_STI_A.second) < uintptr_t(MCI_STI_B.second);
38 const MCInst &A = MCI_STI_A.first;
39 const MCInst &B = MCI_STI_B.first;
40 assert(A.getNumOperands() == B.getNumOperands() &&
41 A.getNumOperands() == 5 && A.getOperand(2).getImm() == 1 &&
42 B.getOperand(2).getImm() == 1 && "Unexpected EXRL target MCInst");
43 if (A.getOpcode() != B.getOpcode())
44 return A.getOpcode() < B.getOpcode();
45 if (A.getOperand(i: 0).getReg() != B.getOperand(i: 0).getReg())
46 return A.getOperand(i: 0).getReg() < B.getOperand(i: 0).getReg();
47 if (A.getOperand(i: 1).getImm() != B.getOperand(i: 1).getImm())
48 return A.getOperand(i: 1).getImm() < B.getOperand(i: 1).getImm();
49 if (A.getOperand(i: 3).getReg() != B.getOperand(i: 3).getReg())
50 return A.getOperand(i: 3).getReg() < B.getOperand(i: 3).getReg();
51 if (A.getOperand(i: 4).getImm() != B.getOperand(i: 4).getImm())
52 return A.getOperand(i: 4).getImm() < B.getOperand(i: 4).getImm();
53 return false;
54 }
55 };
56 typedef std::map<MCInstSTIPair, MCSymbol *, CmpMCInst> EXRLT2SymMap;
57 EXRLT2SymMap EXRLTargets2Sym;
58
59 void emitConstantPools() override;
60
61 virtual void emitMachine(StringRef CPUOrCommand) {};
62
63 virtual void emitExternalName(MCSymbol *Sym, StringRef Name) {}
64 virtual void emitExternalName(MCSection *Sec, StringRef Name) {}
65
66 virtual const MCExpr *createWordDiffExpr(MCContext &Ctx, const MCSymbol *Hi,
67 const MCSymbol *Lo) {
68 return nullptr;
69 }
70
71 virtual void emitADA(MCSymbol *Sym, MCSection *Section) {}
72};
73
74class SystemZTargetGOFFStreamer : public SystemZTargetStreamer {
75public:
76 SystemZTargetGOFFStreamer(MCStreamer &S) : SystemZTargetStreamer(S) {}
77 const MCExpr *createWordDiffExpr(MCContext &Ctx, const MCSymbol *Hi,
78 const MCSymbol *Lo) override;
79 virtual void emitExternalName(MCSymbol *Sym, StringRef Name) override {
80 static_cast<MCSymbolGOFF *>(Sym)->setExternalName(Name);
81 }
82 virtual void emitExternalName(MCSection *Sec, StringRef Name) override {
83 static_cast<MCSectionGOFF *>(Sec)->setExternalName(Name);
84 }
85 void emitADA(MCSymbol *Sym, MCSection *Section) override {
86 static_cast<MCSymbolGOFF *>(Sym)->setADA(
87 static_cast<MCSectionGOFF *>(Section));
88 }
89};
90
91class SystemZTargetHLASMStreamer : public SystemZTargetStreamer {
92 formatted_raw_ostream &OS;
93
94public:
95 SystemZTargetHLASMStreamer(MCStreamer &S, formatted_raw_ostream &OS)
96 : SystemZTargetStreamer(S), OS(OS) {}
97 SystemZHLASMAsmStreamer &getHLASMStreamer();
98 const MCExpr *createWordDiffExpr(MCContext &Ctx, const MCSymbol *Hi,
99 const MCSymbol *Lo) override;
100 virtual void emitExternalName(MCSymbol *Sym, StringRef Name) override {
101 static_cast<MCSymbolGOFF *>(Sym)->setExternalName(Name);
102 }
103 virtual void emitExternalName(MCSection *Sec, StringRef Name) override {
104 static_cast<MCSectionGOFF *>(Sec)->setExternalName(Name);
105 }
106 void emitADA(MCSymbol *Sym, MCSection *Section) override {
107 static_cast<MCSymbolGOFF *>(Sym)->setADA(
108 static_cast<MCSectionGOFF *>(Section));
109 }
110};
111
112class SystemZTargetELFStreamer : public SystemZTargetStreamer {
113public:
114 SystemZTargetELFStreamer(MCStreamer &S) : SystemZTargetStreamer(S) {}
115 void emitMachine(StringRef CPUOrCommand) override {}
116};
117
118class SystemZTargetGNUStreamer : public SystemZTargetStreamer {
119 formatted_raw_ostream &OS;
120
121public:
122 SystemZTargetGNUStreamer(MCStreamer &S, formatted_raw_ostream &OS)
123 : SystemZTargetStreamer(S), OS(OS) {}
124 void emitMachine(StringRef CPUOrCommand) override {
125 OS << "\t.machine " << CPUOrCommand << "\n";
126 }
127};
128
129} // end namespace llvm
130
131#endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETSTREAMER_H
132