LLVM  9.0.0svn
ARCMCTargetDesc.cpp
Go to the documentation of this file.
1 //===- ARCMCTargetDesc.cpp - ARC Target Descriptions ------------*- 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 // This file provides ARC specific target descriptions.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "ARCMCTargetDesc.h"
14 #include "ARCInstPrinter.h"
15 #include "ARCMCAsmInfo.h"
16 #include "ARCTargetStreamer.h"
18 #include "llvm/MC/MCDwarf.h"
19 #include "llvm/MC/MCInstrInfo.h"
20 #include "llvm/MC/MCRegisterInfo.h"
25 
26 using namespace llvm;
27 
28 #define GET_INSTRINFO_MC_DESC
29 #include "ARCGenInstrInfo.inc"
30 
31 #define GET_SUBTARGETINFO_MC_DESC
32 #include "ARCGenSubtargetInfo.inc"
33 
34 #define GET_REGINFO_MC_DESC
35 #include "ARCGenRegisterInfo.inc"
36 
38  auto *X = new MCInstrInfo();
39  InitARCMCInstrInfo(X);
40  return X;
41 }
42 
44  auto *X = new MCRegisterInfo();
45  InitARCMCRegisterInfo(X, ARC::BLINK);
46  return X;
47 }
48 
50  StringRef CPU, StringRef FS) {
51  return createARCMCSubtargetInfoImpl(TT, CPU, FS);
52 }
53 
55  const Triple &TT) {
56  MCAsmInfo *MAI = new ARCMCAsmInfo(TT);
57 
58  // Initial state of the frame pointer is SP.
59  MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, ARC::SP, 0);
60  MAI->addInitialFrameState(Inst);
61 
62  return MAI;
63 }
64 
66  unsigned SyntaxVariant,
67  const MCAsmInfo &MAI,
68  const MCInstrInfo &MII,
69  const MCRegisterInfo &MRI) {
70  return new ARCInstPrinter(MAI, MII, MRI);
71 }
72 
75 
78  MCInstPrinter *InstPrint,
79  bool isVerboseAsm) {
80  return new ARCTargetStreamer(S);
81 }
82 
83 // Force static initialization.
84 extern "C" void LLVMInitializeARCTargetMC() {
85  // Register the MC asm info.
86  Target &TheARCTarget = getTheARCTarget();
88 
89  // Register the MC instruction info.
91 
92  // Register the MC register info.
94 
95  // Register the MC subtarget info.
98 
99  // Register the MCInstPrinter
101 
104 }
static GCMetadataPrinterRegistry::Add< ErlangGCPrinter > X("erlang", "erlang-compatible garbage collector")
This class represents lattice values for constants.
Definition: AllocatorList.h:23
~ARCTargetStreamer() override
formatted_raw_ostream - A raw_ostream that wraps another one and keeps track of line and column posit...
Target specific streamer interface.
Definition: MCStreamer.h:83
Target & getTheARCTarget()
static void RegisterMCInstPrinter(Target &T, Target::MCInstPrinterCtorTy Fn)
RegisterMCInstPrinter - Register a MCInstPrinter implementation for the given target.
static MCInstrInfo * createARCMCInstrInfo()
static void RegisterAsmTargetStreamer(Target &T, Target::AsmTargetStreamerCtorTy Fn)
static MCAsmInfo * createARCMCAsmInfo(const MCRegisterInfo &MRI, const Triple &TT)
static MCRegisterInfo * createARCMCRegisterInfo(const Triple &TT)
static MCTargetStreamer * createTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS, MCInstPrinter *InstPrint, bool isVerboseAsm)
MCRegisterInfo base class - We assume that the target defines a static array of MCRegisterDesc object...
This class is intended to be used as a base class for asm properties and features specific to the tar...
Definition: MCAsmInfo.h:56
Streaming machine code generation interface.
Definition: MCStreamer.h:188
unsigned const MachineRegisterInfo * MRI
static MCCFIInstruction createDefCfa(MCSymbol *L, unsigned Register, int Offset)
.cfi_def_cfa defines a rule for computing CFA as: take address from Register and add Offset to it...
Definition: MCDwarf.h:477
This file contains the declaration of the ARCInstPrinter class, which is used to print ARC MCInst to ...
Interface to description of machine instruction set.
Definition: MCInstrInfo.h:23
ARCTargetStreamer(MCStreamer &S)
static void RegisterMCSubtargetInfo(Target &T, Target::MCSubtargetInfoCtorFnTy Fn)
RegisterMCSubtargetInfo - Register a MCSubtargetInfo implementation for the given target...
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:43
void addInitialFrameState(const MCCFIInstruction &Inst)
Definition: MCAsmInfo.cpp:73
static void RegisterMCRegInfo(Target &T, Target::MCRegInfoCtorFnTy Fn)
RegisterMCRegInfo - Register a MCRegisterInfo implementation for the given target.
Target - Wrapper for Target specific information.
void LLVMInitializeARCTargetMC()
This is an instance of a target assembly language printer that converts an MCInst to valid target ass...
Definition: MCInstPrinter.h:39
static void RegisterMCInstrInfo(Target &T, Target::MCInstrInfoCtorFnTy Fn)
RegisterMCInstrInfo - Register a MCInstrInfo implementation for the given target. ...
Generic base class for all target subtargets.
static MCSubtargetInfo * createARCMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS)
RegisterMCAsmInfoFn - Helper template for registering a target assembly info implementation.
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:48
static MCInstPrinter * createARCMCInstPrinter(const Triple &T, unsigned SyntaxVariant, const MCAsmInfo &MAI, const MCInstrInfo &MII, const MCRegisterInfo &MRI)