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
|
//===-- BPFMCTargetDesc.cpp - BPF 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 BPF specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "BPF.h"
#include "BPFMCTargetDesc.h"
#include "BPFMCAsmInfo.h"
#include "InstPrinter/BPFInstPrinter.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/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
#define GET_INSTRINFO_MC_DESC
#include "BPFGenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "BPFGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "BPFGenRegisterInfo.inc"
using namespace llvm;
static MCInstrInfo *createBPFMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitBPFMCInstrInfo(X);
return X;
}
static MCRegisterInfo *createBPFMCRegisterInfo(StringRef TT) {
MCRegisterInfo *X = new MCRegisterInfo();
InitBPFMCRegisterInfo(X, BPF::R11 /* RAReg doesn't exist */);
return X;
}
static MCSubtargetInfo *createBPFMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
MCSubtargetInfo *X = new MCSubtargetInfo();
InitBPFMCSubtargetInfo(X, TT, CPU, FS);
return X;
}
static MCCodeGenInfo *createBPFMCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
X->InitMCCodeGenInfo(RM, CM, OL);
return X;
}
static MCStreamer *createBPFMCStreamer(const Triple &T,
MCContext &Ctx, MCAsmBackend &MAB,
raw_ostream &OS, MCCodeEmitter *Emitter,
bool RelaxAll) {
return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
}
static MCInstPrinter *
createBPFMCInstPrinter(const Target &T, unsigned SyntaxVariant,
const MCAsmInfo &MAI, const MCInstrInfo &MII,
const MCRegisterInfo &MRI, const MCSubtargetInfo &STI) {
if (SyntaxVariant == 0)
return new BPFInstPrinter(MAI, MII, MRI);
return 0;
}
extern "C" void LLVMInitializeBPFTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfo<BPFMCAsmInfo> X(TheBPFTarget);
// Register the MC codegen info.
TargetRegistry::RegisterMCCodeGenInfo(TheBPFTarget, createBPFMCCodeGenInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(TheBPFTarget, createBPFMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(TheBPFTarget, createBPFMCRegisterInfo);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(TheBPFTarget,
createBPFMCSubtargetInfo);
// Register the MC code emitter
TargetRegistry::RegisterMCCodeEmitter(TheBPFTarget,
llvm::createBPFMCCodeEmitter);
// Register the ASM Backend
TargetRegistry::RegisterMCAsmBackend(TheBPFTarget, createBPFAsmBackend);
// Register the object streamer
TargetRegistry::RegisterELFStreamer(TheBPFTarget, createBPFMCStreamer);
// Register the MCInstPrinter.
TargetRegistry::RegisterMCInstPrinter(TheBPFTarget, createBPFMCInstPrinter);
}
|
