1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
//===-- PPCMCTargetDesc.cpp - PowerPC Target Descriptions -----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides PowerPC specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "PPCMCTargetDesc.h"
#include "InstPrinter/PPCInstPrinter.h"
#include "PPCMCAsmInfo.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MachineLocation.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
#define GET_INSTRINFO_MC_DESC
#include "PPCGenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "PPCGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "PPCGenRegisterInfo.inc"
using namespace llvm;
static MCInstrInfo *createPPCMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitPPCMCInstrInfo(X);
return X;
}
static MCRegisterInfo *createPPCMCRegisterInfo(StringRef TT) {
Triple TheTriple(TT);
bool isPPC64 = (TheTriple.getArch() == Triple::ppc64);
unsigned Flavour = isPPC64 ? 0 : 1;
unsigned RA = isPPC64 ? PPC::LR8 : PPC::LR;
MCRegisterInfo *X = new MCRegisterInfo();
InitPPCMCRegisterInfo(X, RA, Flavour, Flavour);
return X;
}
static MCSubtargetInfo *createPPCMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
MCSubtargetInfo *X = new MCSubtargetInfo();
InitPPCMCSubtargetInfo(X, TT, CPU, FS);
return X;
}
static MCAsmInfo *createPPCMCAsmInfo(StringRef TT) {
Triple TheTriple(TT);
bool isPPC64 = TheTriple.getArch() == Triple::ppc64;
MCAsmInfo *MAI;
if (TheTriple.isOSDarwin())
MAI = new PPCMCAsmInfoDarwin(isPPC64);
else
MAI = new PPCLinuxMCAsmInfo(isPPC64);
// Initial state of the frame pointer is R1.
MachineLocation Dst(MachineLocation::VirtualFP);
MachineLocation Src(isPPC64? PPC::X1 : PPC::R1, 0);
MAI->addInitialFrameState(0, Dst, Src);
return MAI;
}
static MCCodeGenInfo *createPPCMCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
if (RM == Reloc::Default) {
Triple T(TT);
if (T.isOSDarwin())
RM = Reloc::DynamicNoPIC;
else
RM = Reloc::Static;
}
if (CM == CodeModel::Default) {
Triple T(TT);
if (!T.isOSDarwin() && T.getArch() == Triple::ppc64)
CM = CodeModel::Medium;
}
X->InitMCCodeGenInfo(RM, CM, OL);
return X;
}
// This is duplicated code. Refactor this.
static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
MCContext &Ctx, MCAsmBackend &MAB,
raw_ostream &OS,
MCCodeEmitter *Emitter,
bool RelaxAll,
bool NoExecStack) {
if (Triple(TT).isOSDarwin())
return createMachOStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll, NoExecStack);
}
static MCInstPrinter *createPPCMCInstPrinter(const Target &T,
unsigned SyntaxVariant,
const MCAsmInfo &MAI,
const MCInstrInfo &MII,
const MCRegisterInfo &MRI,
const MCSubtargetInfo &STI) {
return new PPCInstPrinter(MAI, MII, MRI, SyntaxVariant);
}
extern "C" void LLVMInitializePowerPCTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfoFn C(ThePPC32Target, createPPCMCAsmInfo);
RegisterMCAsmInfoFn D(ThePPC64Target, createPPCMCAsmInfo);
// Register the MC codegen info.
TargetRegistry::RegisterMCCodeGenInfo(ThePPC32Target, createPPCMCCodeGenInfo);
TargetRegistry::RegisterMCCodeGenInfo(ThePPC64Target, createPPCMCCodeGenInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(ThePPC32Target, createPPCMCInstrInfo);
TargetRegistry::RegisterMCInstrInfo(ThePPC64Target, createPPCMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(ThePPC32Target, createPPCMCRegisterInfo);
TargetRegistry::RegisterMCRegInfo(ThePPC64Target, createPPCMCRegisterInfo);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(ThePPC32Target,
createPPCMCSubtargetInfo);
TargetRegistry::RegisterMCSubtargetInfo(ThePPC64Target,
createPPCMCSubtargetInfo);
// Register the MC Code Emitter
TargetRegistry::RegisterMCCodeEmitter(ThePPC32Target, createPPCMCCodeEmitter);
TargetRegistry::RegisterMCCodeEmitter(ThePPC64Target, createPPCMCCodeEmitter);
// Register the asm backend.
TargetRegistry::RegisterMCAsmBackend(ThePPC32Target, createPPCAsmBackend);
TargetRegistry::RegisterMCAsmBackend(ThePPC64Target, createPPCAsmBackend);
// Register the object streamer.
TargetRegistry::RegisterMCObjectStreamer(ThePPC32Target, createMCStreamer);
TargetRegistry::RegisterMCObjectStreamer(ThePPC64Target, createMCStreamer);
// Register the MCInstPrinter.
TargetRegistry::RegisterMCInstPrinter(ThePPC32Target, createPPCMCInstPrinter);
TargetRegistry::RegisterMCInstPrinter(ThePPC64Target, createPPCMCInstPrinter);
}
|
