reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    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
//===- ARCMCTargetDesc.cpp - ARC Target Descriptions ------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file provides ARC specific target descriptions.
//
//===----------------------------------------------------------------------===//

#include "ARCMCTargetDesc.h"
#include "ARCInstPrinter.h"
#include "ARCMCAsmInfo.h"
#include "ARCTargetStreamer.h"
#include "TargetInfo/ARCTargetInfo.h"
#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/TargetRegistry.h"

using namespace llvm;

#define GET_INSTRINFO_MC_DESC
#include "ARCGenInstrInfo.inc"

#define GET_SUBTARGETINFO_MC_DESC
#include "ARCGenSubtargetInfo.inc"

#define GET_REGINFO_MC_DESC
#include "ARCGenRegisterInfo.inc"

static MCInstrInfo *createARCMCInstrInfo() {
  auto *X = new MCInstrInfo();
  InitARCMCInstrInfo(X);
  return X;
}

static MCRegisterInfo *createARCMCRegisterInfo(const Triple &TT) {
  auto *X = new MCRegisterInfo();
  InitARCMCRegisterInfo(X, ARC::BLINK);
  return X;
}

static MCSubtargetInfo *createARCMCSubtargetInfo(const Triple &TT,
                                                 StringRef CPU, StringRef FS) {
  return createARCMCSubtargetInfoImpl(TT, CPU, FS);
}

static MCAsmInfo *createARCMCAsmInfo(const MCRegisterInfo &MRI,
                                     const Triple &TT,
                                     const MCTargetOptions &Options) {
  MCAsmInfo *MAI = new ARCMCAsmInfo(TT);

  // Initial state of the frame pointer is SP.
  MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, ARC::SP, 0);
  MAI->addInitialFrameState(Inst);

  return MAI;
}

static MCInstPrinter *createARCMCInstPrinter(const Triple &T,
                                             unsigned SyntaxVariant,
                                             const MCAsmInfo &MAI,
                                             const MCInstrInfo &MII,
                                             const MCRegisterInfo &MRI) {
  return new ARCInstPrinter(MAI, MII, MRI);
}

ARCTargetStreamer::ARCTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
ARCTargetStreamer::~ARCTargetStreamer() = default;

static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
                                                 formatted_raw_ostream &OS,
                                                 MCInstPrinter *InstPrint,
                                                 bool isVerboseAsm) {
  return new ARCTargetStreamer(S);
}

// Force static initialization.
extern "C" void LLVMInitializeARCTargetMC() {
  // Register the MC asm info.
  Target &TheARCTarget = getTheARCTarget();
  RegisterMCAsmInfoFn X(TheARCTarget, createARCMCAsmInfo);

  // Register the MC instruction info.
  TargetRegistry::RegisterMCInstrInfo(TheARCTarget, createARCMCInstrInfo);

  // Register the MC register info.
  TargetRegistry::RegisterMCRegInfo(TheARCTarget, createARCMCRegisterInfo);

  // Register the MC subtarget info.
  TargetRegistry::RegisterMCSubtargetInfo(TheARCTarget,
                                          createARCMCSubtargetInfo);

  // Register the MCInstPrinter
  TargetRegistry::RegisterMCInstPrinter(TheARCTarget, createARCMCInstPrinter);

  TargetRegistry::RegisterAsmTargetStreamer(TheARCTarget,
                                            createTargetAsmStreamer);
}