1//===-- HexagonMCTargetDesc.cpp - Hexagon Target Descriptions -------------===//
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// This file provides Hexagon specific target descriptions.
11//
12//===----------------------------------------------------------------------===//
13
14#include "HexagonMCTargetDesc.h"
15#include "HexagonMCAsmInfo.h"
16#include "llvm/MC/MachineLocation.h"
17#include "llvm/MC/MCCodeGenInfo.h"
18#include "llvm/MC/MCInstrInfo.h"
19#include "llvm/MC/MCRegisterInfo.h"
20#include "llvm/MC/MCSubtargetInfo.h"
21#include "llvm/Support/ErrorHandling.h"
22#include "llvm/Support/TargetRegistry.h"
23
24#define GET_INSTRINFO_MC_DESC
25#include "HexagonGenInstrInfo.inc"
26
27#define GET_SUBTARGETINFO_MC_DESC
28#include "HexagonGenSubtargetInfo.inc"
29
30#define GET_REGINFO_MC_DESC
31#include "HexagonGenRegisterInfo.inc"
32
33using namespace llvm;
34
35static MCInstrInfo *createHexagonMCInstrInfo() {
36  MCInstrInfo *X = new MCInstrInfo();
37  InitHexagonMCInstrInfo(X);
38  return X;
39}
40
41static MCRegisterInfo *createHexagonMCRegisterInfo(StringRef TT) {
42  MCRegisterInfo *X = new MCRegisterInfo();
43  InitHexagonMCRegisterInfo(X, Hexagon::R0);
44  return X;
45}
46
47static MCSubtargetInfo *createHexagonMCSubtargetInfo(StringRef TT,
48                                                     StringRef CPU,
49                                                     StringRef FS) {
50  MCSubtargetInfo *X = new MCSubtargetInfo();
51  InitHexagonMCSubtargetInfo(X, TT, CPU, FS);
52  return X;
53}
54
55static MCAsmInfo *createHexagonMCAsmInfo(const Target &T, StringRef TT) {
56  MCAsmInfo *MAI = new HexagonMCAsmInfo(T, TT);
57
58  // VirtualFP = (R30 + #0).
59  MachineLocation Dst(MachineLocation::VirtualFP);
60  MachineLocation Src(Hexagon::R30, 0);
61  MAI->addInitialFrameState(0, Dst, Src);
62
63  return MAI;
64}
65
66static MCCodeGenInfo *createHexagonMCCodeGenInfo(StringRef TT, Reloc::Model RM,
67                                             CodeModel::Model CM,
68                                             CodeGenOpt::Level OL) {
69  MCCodeGenInfo *X = new MCCodeGenInfo();
70  // For the time being, use static relocations, since there's really no
71  // support for PIC yet.
72  X->InitMCCodeGenInfo(Reloc::Static, CM, OL);
73  return X;
74}
75
76// Force static initialization.
77extern "C" void LLVMInitializeHexagonTargetMC() {
78  // Register the MC asm info.
79  RegisterMCAsmInfoFn X(TheHexagonTarget, createHexagonMCAsmInfo);
80
81  // Register the MC codegen info.
82  TargetRegistry::RegisterMCCodeGenInfo(TheHexagonTarget,
83                                        createHexagonMCCodeGenInfo);
84
85  // Register the MC instruction info.
86  TargetRegistry::RegisterMCInstrInfo(TheHexagonTarget, createHexagonMCInstrInfo);
87
88  // Register the MC register info.
89  TargetRegistry::RegisterMCRegInfo(TheHexagonTarget,
90                                    createHexagonMCRegisterInfo);
91
92  // Register the MC subtarget info.
93  TargetRegistry::RegisterMCSubtargetInfo(TheHexagonTarget,
94                                          createHexagonMCSubtargetInfo);
95}
96