LLVM  4.0.0
AVRMCTargetDesc.cpp
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1 //===-- AVRMCTargetDesc.cpp - AVR 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 AVR specific target descriptions.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "AVRELFStreamer.h"
15 #include "AVRMCAsmInfo.h"
16 #include "AVRMCTargetDesc.h"
17 #include "AVRTargetStreamer.h"
19 
20 #include "llvm/MC/MCELFStreamer.h"
21 #include "llvm/MC/MCInstrInfo.h"
22 #include "llvm/MC/MCRegisterInfo.h"
25 
26 #define GET_INSTRINFO_MC_DESC
27 #include "AVRGenInstrInfo.inc"
28 
29 #define GET_SUBTARGETINFO_MC_DESC
30 #include "AVRGenSubtargetInfo.inc"
31 
32 #define GET_REGINFO_MC_DESC
33 #include "AVRGenRegisterInfo.inc"
34 
35 using namespace llvm;
36 
38  MCInstrInfo *X = new MCInstrInfo();
39  InitAVRMCInstrInfo(X);
40 
41  return X;
42 }
43 
46  InitAVRMCRegisterInfo(X, 0);
47 
48  return X;
49 }
50 
52  StringRef CPU, StringRef FS) {
53  return createAVRMCSubtargetInfoImpl(TT, CPU, FS);
54 }
55 
57  unsigned SyntaxVariant,
58  const MCAsmInfo &MAI,
59  const MCInstrInfo &MII,
60  const MCRegisterInfo &MRI) {
61  if (SyntaxVariant == 0) {
62  return new AVRInstPrinter(MAI, MII, MRI);
63  }
64 
65  return nullptr;
66 }
67 
70  MCCodeEmitter *Emitter, bool RelaxAll) {
71  return createELFStreamer(Context, MAB, OS, Emitter, RelaxAll);
72 }
73 
74 static MCTargetStreamer *
76  return new AVRELFStreamer(S, STI);
77 }
78 
81  MCInstPrinter *InstPrint,
82  bool isVerboseAsm) {
83  return new AVRTargetAsmStreamer(S);
84 }
85 
86 extern "C" void LLVMInitializeAVRTargetMC() {
87  // Register the MC asm info.
89 
90  // Register the MC instruction info.
92 
93  // Register the MC register info.
95 
96  // Register the MC subtarget info.
99 
100  // Register the MCInstPrinter.
103 
104  // Register the MC Code Emitter
106 
107  // Register the ELF streamer
109 
110  // Register the obj target streamer.
113 
114  // Register the asm target streamer.
117 
118  // Register the asm backend (as little endian).
120 }
121 
static MCSubtargetInfo * createAVRMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS)
static MCStreamer * createMCStreamer(const Triple &T, MCContext &Context, MCAsmBackend &MAB, raw_pwrite_stream &OS, MCCodeEmitter *Emitter, bool RelaxAll)
LLVMContext & Context
void LLVMInitializeAVRTargetMC()
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:73
static void RegisterMCInstPrinter(Target &T, Target::MCInstPrinterCtorTy Fn)
RegisterMCInstPrinter - Register a MCInstPrinter implementation for the given target.
A target streamer for textual AVR assembly code.
static void RegisterAsmTargetStreamer(Target &T, Target::AsmTargetStreamerCtorTy Fn)
Prints AVR instructions to a textual stream.
Target & getTheAVRTarget()
static MCInstrInfo * createAVRMCInstrInfo()
MCCodeEmitter * createAVRMCCodeEmitter(const MCInstrInfo &MCII, const MCRegisterInfo &MRI, MCContext &Ctx)
Creates a machine code emitter for AVR.
Context object for machine code objects.
Definition: MCContext.h:51
static MCTargetStreamer * createMCAsmTargetStreamer(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:57
static void RegisterMCAsmBackend(Target &T, Target::MCAsmBackendCtorTy Fn)
RegisterMCAsmBackend - Register a MCAsmBackend implementation for the given target.
Streaming machine code generation interface.
Definition: MCStreamer.h:161
unsigned const MachineRegisterInfo * MRI
static MCInstPrinter * createAVRMCInstPrinter(const Triple &T, unsigned SyntaxVariant, const MCAsmInfo &MAI, const MCInstrInfo &MII, const MCRegisterInfo &MRI)
MCCodeEmitter - Generic instruction encoding interface.
Definition: MCCodeEmitter.h:23
Interface to description of machine instruction set.
Definition: MCInstrInfo.h:24
static GCMetadataPrinterRegistry::Add< ErlangGCPrinter > X("erlang","erlang-compatible garbage collector")
static void RegisterMCSubtargetInfo(Target &T, Target::MCSubtargetInfoCtorFnTy Fn)
RegisterMCSubtargetInfo - Register a MCSubtargetInfo implementation for the given target...
static void RegisterObjectTargetStreamer(Target &T, Target::ObjectTargetStreamerCtorTy Fn)
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
static MCRegisterInfo * createAVRMCRegisterInfo(const Triple &TT)
RegisterMCAsmInfo - Helper template for registering a target assembly info implementation.
static void RegisterMCCodeEmitter(Target &T, Target::MCCodeEmitterCtorTy Fn)
RegisterMCCodeEmitter - Register a MCCodeEmitter implementation for the given target.
MCStreamer * createELFStreamer(MCContext &Ctx, MCAsmBackend &TAB, raw_pwrite_stream &OS, MCCodeEmitter *CE, bool RelaxAll)
Takes ownership of TAB and CE.
static void RegisterMCRegInfo(Target &T, Target::MCRegInfoCtorFnTy Fn)
RegisterMCRegInfo - Register a MCRegisterInfo implementation for the given target.
static MCTargetStreamer * createAVRObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI)
This is an instance of a target assembly language printer that converts an MCInst to valid target ass...
Definition: MCInstPrinter.h:41
A target streamer for an AVR ELF object file.
static void RegisterMCInstrInfo(Target &T, Target::MCInstrInfoCtorFnTy Fn)
RegisterMCInstrInfo - Register a MCInstrInfo implementation for the given target. ...
MCSubtargetInfo - Generic base class for all target subtargets.
static void RegisterELFStreamer(Target &T, Target::ELFStreamerCtorTy Fn)
An abstract base class for streams implementations that also support a pwrite operation.
Definition: raw_ostream.h:333
cl::opt< bool > RelaxAll("mc-relax-all", cl::desc("When used with filetype=obj, ""relax all fixups in the emitted object file"))
Generic interface to target specific assembler backends.
Definition: MCAsmBackend.h:36
MCAsmBackend * createAVRAsmBackend(const Target &T, const MCRegisterInfo &MRI, const Triple &TT, StringRef CPU, const llvm::MCTargetOptions &TO)
Creates an assembly backend for AVR.
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:47