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1104 lines
43 KiB
1104 lines
43 KiB
//===-- Support/TargetRegistry.h - Target Registration ----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file exposes the TargetRegistry interface, which tools can use to access
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// the appropriate target specific classes (TargetMachine, AsmPrinter, etc.)
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// which have been registered.
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//
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// Target specific class implementations should register themselves using the
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// appropriate TargetRegistry interfaces.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_TARGETREGISTRY_H
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#define LLVM_SUPPORT_TARGETREGISTRY_H
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/CodeGen.h"
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#include <cassert>
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#include <string>
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namespace llvm {
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class AsmPrinter;
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class Module;
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class MCAssembler;
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class MCAsmBackend;
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class MCAsmInfo;
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class MCAsmParser;
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class MCCodeEmitter;
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class MCCodeGenInfo;
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class MCContext;
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class MCDisassembler;
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class MCInstrAnalysis;
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class MCInstPrinter;
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class MCInstrInfo;
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class MCRegisterInfo;
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class MCStreamer;
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class MCSubtargetInfo;
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class MCTargetAsmParser;
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class TargetMachine;
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class TargetOptions;
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class raw_ostream;
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class formatted_raw_ostream;
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MCStreamer *createAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
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bool isVerboseAsm,
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bool useLoc, bool useCFI,
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bool useDwarfDirectory,
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MCInstPrinter *InstPrint,
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MCCodeEmitter *CE,
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MCAsmBackend *TAB,
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bool ShowInst);
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/// Target - Wrapper for Target specific information.
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///
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/// For registration purposes, this is a POD type so that targets can be
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/// registered without the use of static constructors.
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///
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/// Targets should implement a single global instance of this class (which
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/// will be zero initialized), and pass that instance to the TargetRegistry as
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/// part of their initialization.
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class Target {
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public:
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friend struct TargetRegistry;
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typedef unsigned (*TripleMatchQualityFnTy)(const std::string &TT);
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typedef MCAsmInfo *(*MCAsmInfoCtorFnTy)(const Target &T,
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StringRef TT);
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typedef MCCodeGenInfo *(*MCCodeGenInfoCtorFnTy)(StringRef TT,
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Reloc::Model RM,
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CodeModel::Model CM,
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CodeGenOpt::Level OL);
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typedef MCInstrInfo *(*MCInstrInfoCtorFnTy)(void);
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typedef MCInstrAnalysis *(*MCInstrAnalysisCtorFnTy)(const MCInstrInfo*Info);
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typedef MCRegisterInfo *(*MCRegInfoCtorFnTy)(StringRef TT);
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typedef MCSubtargetInfo *(*MCSubtargetInfoCtorFnTy)(StringRef TT,
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StringRef CPU,
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StringRef Features);
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typedef TargetMachine *(*TargetMachineCtorTy)(const Target &T,
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StringRef TT,
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StringRef CPU,
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StringRef Features,
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const TargetOptions &Options,
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Reloc::Model RM,
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CodeModel::Model CM,
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CodeGenOpt::Level OL);
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typedef AsmPrinter *(*AsmPrinterCtorTy)(TargetMachine &TM,
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MCStreamer &Streamer);
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typedef MCAsmBackend *(*MCAsmBackendCtorTy)(const Target &T,
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StringRef TT,
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StringRef CPU);
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typedef MCTargetAsmParser *(*MCAsmParserCtorTy)(MCSubtargetInfo &STI,
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MCAsmParser &P);
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typedef MCDisassembler *(*MCDisassemblerCtorTy)(const Target &T,
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const MCSubtargetInfo &STI);
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typedef MCInstPrinter *(*MCInstPrinterCtorTy)(const Target &T,
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unsigned SyntaxVariant,
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const MCAsmInfo &MAI,
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const MCInstrInfo &MII,
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const MCRegisterInfo &MRI,
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const MCSubtargetInfo &STI);
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typedef MCCodeEmitter *(*MCCodeEmitterCtorTy)(const MCInstrInfo &II,
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const MCRegisterInfo &MRI,
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const MCSubtargetInfo &STI,
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MCContext &Ctx);
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typedef MCStreamer *(*MCObjectStreamerCtorTy)(const Target &T,
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StringRef TT,
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MCContext &Ctx,
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MCAsmBackend &TAB,
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raw_ostream &_OS,
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MCCodeEmitter *_Emitter,
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bool RelaxAll,
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bool NoExecStack);
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typedef MCStreamer *(*AsmStreamerCtorTy)(MCContext &Ctx,
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formatted_raw_ostream &OS,
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bool isVerboseAsm,
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bool useLoc,
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bool useCFI,
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bool useDwarfDirectory,
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MCInstPrinter *InstPrint,
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MCCodeEmitter *CE,
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MCAsmBackend *TAB,
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bool ShowInst);
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private:
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/// Next - The next registered target in the linked list, maintained by the
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/// TargetRegistry.
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Target *Next;
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/// TripleMatchQualityFn - The target function for rating the match quality
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/// of a triple.
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TripleMatchQualityFnTy TripleMatchQualityFn;
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/// Name - The target name.
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const char *Name;
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/// ShortDesc - A short description of the target.
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const char *ShortDesc;
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/// HasJIT - Whether this target supports the JIT.
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bool HasJIT;
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/// MCAsmInfoCtorFn - Constructor function for this target's MCAsmInfo, if
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/// registered.
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MCAsmInfoCtorFnTy MCAsmInfoCtorFn;
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/// MCCodeGenInfoCtorFn - Constructor function for this target's
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/// MCCodeGenInfo, if registered.
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MCCodeGenInfoCtorFnTy MCCodeGenInfoCtorFn;
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/// MCInstrInfoCtorFn - Constructor function for this target's MCInstrInfo,
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/// if registered.
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MCInstrInfoCtorFnTy MCInstrInfoCtorFn;
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/// MCInstrAnalysisCtorFn - Constructor function for this target's
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/// MCInstrAnalysis, if registered.
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MCInstrAnalysisCtorFnTy MCInstrAnalysisCtorFn;
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/// MCRegInfoCtorFn - Constructor function for this target's MCRegisterInfo,
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/// if registered.
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MCRegInfoCtorFnTy MCRegInfoCtorFn;
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/// MCSubtargetInfoCtorFn - Constructor function for this target's
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/// MCSubtargetInfo, if registered.
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MCSubtargetInfoCtorFnTy MCSubtargetInfoCtorFn;
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/// TargetMachineCtorFn - Construction function for this target's
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/// TargetMachine, if registered.
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TargetMachineCtorTy TargetMachineCtorFn;
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/// MCAsmBackendCtorFn - Construction function for this target's
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/// MCAsmBackend, if registered.
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MCAsmBackendCtorTy MCAsmBackendCtorFn;
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/// MCAsmParserCtorFn - Construction function for this target's
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/// MCTargetAsmParser, if registered.
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MCAsmParserCtorTy MCAsmParserCtorFn;
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/// AsmPrinterCtorFn - Construction function for this target's AsmPrinter,
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/// if registered.
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AsmPrinterCtorTy AsmPrinterCtorFn;
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/// MCDisassemblerCtorFn - Construction function for this target's
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/// MCDisassembler, if registered.
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MCDisassemblerCtorTy MCDisassemblerCtorFn;
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/// MCInstPrinterCtorFn - Construction function for this target's
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/// MCInstPrinter, if registered.
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MCInstPrinterCtorTy MCInstPrinterCtorFn;
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/// MCCodeEmitterCtorFn - Construction function for this target's
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/// CodeEmitter, if registered.
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MCCodeEmitterCtorTy MCCodeEmitterCtorFn;
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/// MCObjectStreamerCtorFn - Construction function for this target's
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/// MCObjectStreamer, if registered.
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MCObjectStreamerCtorTy MCObjectStreamerCtorFn;
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/// AsmStreamerCtorFn - Construction function for this target's
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/// AsmStreamer, if registered (default = llvm::createAsmStreamer).
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AsmStreamerCtorTy AsmStreamerCtorFn;
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public:
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Target() : AsmStreamerCtorFn(llvm::createAsmStreamer) {}
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/// @name Target Information
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/// @{
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// getNext - Return the next registered target.
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const Target *getNext() const { return Next; }
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/// getName - Get the target name.
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const char *getName() const { return Name; }
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/// getShortDescription - Get a short description of the target.
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const char *getShortDescription() const { return ShortDesc; }
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/// @}
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/// @name Feature Predicates
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/// @{
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/// hasJIT - Check if this targets supports the just-in-time compilation.
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bool hasJIT() const { return HasJIT; }
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/// hasTargetMachine - Check if this target supports code generation.
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bool hasTargetMachine() const { return TargetMachineCtorFn != 0; }
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/// hasMCAsmBackend - Check if this target supports .o generation.
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bool hasMCAsmBackend() const { return MCAsmBackendCtorFn != 0; }
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/// hasAsmParser - Check if this target supports .s parsing.
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bool hasMCAsmParser() const { return MCAsmParserCtorFn != 0; }
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/// hasAsmPrinter - Check if this target supports .s printing.
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bool hasAsmPrinter() const { return AsmPrinterCtorFn != 0; }
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/// hasMCDisassembler - Check if this target has a disassembler.
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bool hasMCDisassembler() const { return MCDisassemblerCtorFn != 0; }
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/// hasMCInstPrinter - Check if this target has an instruction printer.
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bool hasMCInstPrinter() const { return MCInstPrinterCtorFn != 0; }
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/// hasMCCodeEmitter - Check if this target supports instruction encoding.
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bool hasMCCodeEmitter() const { return MCCodeEmitterCtorFn != 0; }
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/// hasMCObjectStreamer - Check if this target supports streaming to files.
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bool hasMCObjectStreamer() const { return MCObjectStreamerCtorFn != 0; }
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/// hasAsmStreamer - Check if this target supports streaming to files.
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bool hasAsmStreamer() const { return AsmStreamerCtorFn != 0; }
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/// @}
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/// @name Feature Constructors
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/// @{
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/// createMCAsmInfo - Create a MCAsmInfo implementation for the specified
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/// target triple.
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///
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/// \param Triple This argument is used to determine the target machine
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/// feature set; it should always be provided. Generally this should be
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/// either the target triple from the module, or the target triple of the
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/// host if that does not exist.
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MCAsmInfo *createMCAsmInfo(StringRef Triple) const {
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if (!MCAsmInfoCtorFn)
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return 0;
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return MCAsmInfoCtorFn(*this, Triple);
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}
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/// createMCCodeGenInfo - Create a MCCodeGenInfo implementation.
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///
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MCCodeGenInfo *createMCCodeGenInfo(StringRef Triple, Reloc::Model RM,
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CodeModel::Model CM,
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CodeGenOpt::Level OL) const {
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if (!MCCodeGenInfoCtorFn)
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return 0;
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return MCCodeGenInfoCtorFn(Triple, RM, CM, OL);
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}
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/// createMCInstrInfo - Create a MCInstrInfo implementation.
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///
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MCInstrInfo *createMCInstrInfo() const {
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if (!MCInstrInfoCtorFn)
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return 0;
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return MCInstrInfoCtorFn();
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}
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/// createMCInstrAnalysis - Create a MCInstrAnalysis implementation.
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///
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MCInstrAnalysis *createMCInstrAnalysis(const MCInstrInfo *Info) const {
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if (!MCInstrAnalysisCtorFn)
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return 0;
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return MCInstrAnalysisCtorFn(Info);
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}
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/// createMCRegInfo - Create a MCRegisterInfo implementation.
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///
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MCRegisterInfo *createMCRegInfo(StringRef Triple) const {
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if (!MCRegInfoCtorFn)
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return 0;
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return MCRegInfoCtorFn(Triple);
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}
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/// createMCSubtargetInfo - Create a MCSubtargetInfo implementation.
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///
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/// \param Triple This argument is used to determine the target machine
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/// feature set; it should always be provided. Generally this should be
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/// either the target triple from the module, or the target triple of the
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/// host if that does not exist.
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/// \param CPU This specifies the name of the target CPU.
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/// \param Features This specifies the string representation of the
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/// additional target features.
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MCSubtargetInfo *createMCSubtargetInfo(StringRef Triple, StringRef CPU,
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StringRef Features) const {
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if (!MCSubtargetInfoCtorFn)
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return 0;
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return MCSubtargetInfoCtorFn(Triple, CPU, Features);
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}
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/// createTargetMachine - Create a target specific machine implementation
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/// for the specified \p Triple.
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///
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/// \param Triple This argument is used to determine the target machine
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/// feature set; it should always be provided. Generally this should be
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/// either the target triple from the module, or the target triple of the
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/// host if that does not exist.
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TargetMachine *createTargetMachine(StringRef Triple, StringRef CPU,
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StringRef Features, const TargetOptions &Options,
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Reloc::Model RM = Reloc::Default,
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CodeModel::Model CM = CodeModel::Default,
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CodeGenOpt::Level OL = CodeGenOpt::Default) const {
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if (!TargetMachineCtorFn)
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return 0;
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return TargetMachineCtorFn(*this, Triple, CPU, Features, Options,
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RM, CM, OL);
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}
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/// createMCAsmBackend - Create a target specific assembly parser.
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///
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/// \param Triple The target triple string.
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MCAsmBackend *createMCAsmBackend(StringRef Triple, StringRef CPU) const {
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if (!MCAsmBackendCtorFn)
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return 0;
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return MCAsmBackendCtorFn(*this, Triple, CPU);
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}
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/// createMCAsmParser - Create a target specific assembly parser.
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///
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/// \param Parser The target independent parser implementation to use for
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/// parsing and lexing.
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MCTargetAsmParser *createMCAsmParser(MCSubtargetInfo &STI,
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MCAsmParser &Parser) const {
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if (!MCAsmParserCtorFn)
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return 0;
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return MCAsmParserCtorFn(STI, Parser);
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}
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/// createAsmPrinter - Create a target specific assembly printer pass. This
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/// takes ownership of the MCStreamer object.
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AsmPrinter *createAsmPrinter(TargetMachine &TM, MCStreamer &Streamer) const{
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if (!AsmPrinterCtorFn)
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return 0;
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return AsmPrinterCtorFn(TM, Streamer);
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}
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MCDisassembler *createMCDisassembler(const MCSubtargetInfo &STI) const {
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if (!MCDisassemblerCtorFn)
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return 0;
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return MCDisassemblerCtorFn(*this, STI);
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}
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MCInstPrinter *createMCInstPrinter(unsigned SyntaxVariant,
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const MCAsmInfo &MAI,
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const MCInstrInfo &MII,
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const MCRegisterInfo &MRI,
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const MCSubtargetInfo &STI) const {
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if (!MCInstPrinterCtorFn)
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return 0;
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return MCInstPrinterCtorFn(*this, SyntaxVariant, MAI, MII, MRI, STI);
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}
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/// createMCCodeEmitter - Create a target specific code emitter.
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MCCodeEmitter *createMCCodeEmitter(const MCInstrInfo &II,
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const MCRegisterInfo &MRI,
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const MCSubtargetInfo &STI,
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MCContext &Ctx) const {
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if (!MCCodeEmitterCtorFn)
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return 0;
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return MCCodeEmitterCtorFn(II, MRI, STI, Ctx);
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}
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/// createMCObjectStreamer - Create a target specific MCStreamer.
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///
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/// \param TT The target triple.
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/// \param Ctx The target context.
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/// \param TAB The target assembler backend object. Takes ownership.
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/// \param _OS The stream object.
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/// \param _Emitter The target independent assembler object.Takes ownership.
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/// \param RelaxAll Relax all fixups?
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/// \param NoExecStack Mark file as not needing a executable stack.
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MCStreamer *createMCObjectStreamer(StringRef TT, MCContext &Ctx,
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MCAsmBackend &TAB,
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raw_ostream &_OS,
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MCCodeEmitter *_Emitter,
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bool RelaxAll,
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bool NoExecStack) const {
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if (!MCObjectStreamerCtorFn)
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return 0;
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return MCObjectStreamerCtorFn(*this, TT, Ctx, TAB, _OS, _Emitter,
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RelaxAll, NoExecStack);
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}
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/// createAsmStreamer - Create a target specific MCStreamer.
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MCStreamer *createAsmStreamer(MCContext &Ctx,
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formatted_raw_ostream &OS,
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bool isVerboseAsm,
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bool useLoc,
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bool useCFI,
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bool useDwarfDirectory,
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MCInstPrinter *InstPrint,
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MCCodeEmitter *CE,
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MCAsmBackend *TAB,
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bool ShowInst) const {
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// AsmStreamerCtorFn is default to llvm::createAsmStreamer
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return AsmStreamerCtorFn(Ctx, OS, isVerboseAsm, useLoc, useCFI,
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useDwarfDirectory, InstPrint, CE, TAB, ShowInst);
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}
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/// @}
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};
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/// TargetRegistry - Generic interface to target specific features.
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struct TargetRegistry {
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class iterator {
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const Target *Current;
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explicit iterator(Target *T) : Current(T) {}
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friend struct TargetRegistry;
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public:
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iterator(const iterator &I) : Current(I.Current) {}
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iterator() : Current(0) {}
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bool operator==(const iterator &x) const {
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return Current == x.Current;
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}
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bool operator!=(const iterator &x) const {
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return !operator==(x);
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}
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// Iterator traversal: forward iteration only
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iterator &operator++() { // Preincrement
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assert(Current && "Cannot increment end iterator!");
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Current = Current->getNext();
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return *this;
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}
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iterator operator++(int) { // Postincrement
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iterator tmp = *this;
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++*this;
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return tmp;
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}
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const Target &operator*() const {
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assert(Current && "Cannot dereference end iterator!");
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return *Current;
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}
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const Target *operator->() const {
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return &operator*();
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}
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};
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/// printRegisteredTargetsForVersion - Print the registered targets
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/// appropriately for inclusion in a tool's version output.
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static void printRegisteredTargetsForVersion();
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|
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/// @name Registry Access
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/// @{
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static iterator begin();
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static iterator end() { return iterator(); }
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|
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/// lookupTarget - Lookup a target based on a target triple.
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///
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/// \param Triple - The triple to use for finding a target.
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/// \param Error - On failure, an error string describing why no target was
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/// found.
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|
static const Target *lookupTarget(const std::string &Triple,
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std::string &Error);
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|
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/// lookupTarget - Lookup a target based on an architecture name
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|
/// and a target triple. If the architecture name is non-empty,
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/// then the lookup is done by architecture. Otherwise, the target
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/// triple is used.
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|
///
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|
/// \param ArchName - The architecture to use for finding a target.
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|
/// \param TheTriple - The triple to use for finding a target. The
|
|
/// triple is updated with canonical architecture name if a lookup
|
|
/// by architecture is done.
|
|
/// \param Error - On failure, an error string describing why no target was
|
|
/// found.
|
|
static const Target *lookupTarget(const std::string &ArchName,
|
|
Triple &TheTriple,
|
|
std::string &Error);
|
|
|
|
/// getClosestTargetForJIT - Pick the best target that is compatible with
|
|
/// the current host. If no close target can be found, this returns null
|
|
/// and sets the Error string to a reason.
|
|
///
|
|
/// Maintained for compatibility through 2.6.
|
|
static const Target *getClosestTargetForJIT(std::string &Error);
|
|
|
|
/// @}
|
|
/// @name Target Registration
|
|
/// @{
|
|
|
|
/// RegisterTarget - Register the given target. Attempts to register a
|
|
/// target which has already been registered will be ignored.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Name - The target name. This should be a static string.
|
|
/// @param ShortDesc - A short target description. This should be a static
|
|
/// string.
|
|
/// @param TQualityFn - The triple match quality computation function for
|
|
/// this target.
|
|
/// @param HasJIT - Whether the target supports JIT code
|
|
/// generation.
|
|
static void RegisterTarget(Target &T,
|
|
const char *Name,
|
|
const char *ShortDesc,
|
|
Target::TripleMatchQualityFnTy TQualityFn,
|
|
bool HasJIT = false);
|
|
|
|
/// RegisterMCAsmInfo - Register a MCAsmInfo implementation for the
|
|
/// given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct a MCAsmInfo for the target.
|
|
static void RegisterMCAsmInfo(Target &T, Target::MCAsmInfoCtorFnTy Fn) {
|
|
// Ignore duplicate registration.
|
|
if (!T.MCAsmInfoCtorFn)
|
|
T.MCAsmInfoCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterMCCodeGenInfo - Register a MCCodeGenInfo implementation for the
|
|
/// given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct a MCCodeGenInfo for the target.
|
|
static void RegisterMCCodeGenInfo(Target &T,
|
|
Target::MCCodeGenInfoCtorFnTy Fn) {
|
|
// Ignore duplicate registration.
|
|
if (!T.MCCodeGenInfoCtorFn)
|
|
T.MCCodeGenInfoCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterMCInstrInfo - Register a MCInstrInfo implementation for the
|
|
/// given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct a MCInstrInfo for the target.
|
|
static void RegisterMCInstrInfo(Target &T, Target::MCInstrInfoCtorFnTy Fn) {
|
|
// Ignore duplicate registration.
|
|
if (!T.MCInstrInfoCtorFn)
|
|
T.MCInstrInfoCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterMCInstrAnalysis - Register a MCInstrAnalysis implementation for
|
|
/// the given target.
|
|
static void RegisterMCInstrAnalysis(Target &T,
|
|
Target::MCInstrAnalysisCtorFnTy Fn) {
|
|
// Ignore duplicate registration.
|
|
if (!T.MCInstrAnalysisCtorFn)
|
|
T.MCInstrAnalysisCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterMCRegInfo - Register a MCRegisterInfo implementation for the
|
|
/// given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct a MCRegisterInfo for the target.
|
|
static void RegisterMCRegInfo(Target &T, Target::MCRegInfoCtorFnTy Fn) {
|
|
// Ignore duplicate registration.
|
|
if (!T.MCRegInfoCtorFn)
|
|
T.MCRegInfoCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterMCSubtargetInfo - Register a MCSubtargetInfo implementation for
|
|
/// the given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct a MCSubtargetInfo for the target.
|
|
static void RegisterMCSubtargetInfo(Target &T,
|
|
Target::MCSubtargetInfoCtorFnTy Fn) {
|
|
// Ignore duplicate registration.
|
|
if (!T.MCSubtargetInfoCtorFn)
|
|
T.MCSubtargetInfoCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterTargetMachine - Register a TargetMachine implementation for the
|
|
/// given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct a TargetMachine for the target.
|
|
static void RegisterTargetMachine(Target &T,
|
|
Target::TargetMachineCtorTy Fn) {
|
|
// Ignore duplicate registration.
|
|
if (!T.TargetMachineCtorFn)
|
|
T.TargetMachineCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterMCAsmBackend - Register a MCAsmBackend implementation for the
|
|
/// given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct an AsmBackend for the target.
|
|
static void RegisterMCAsmBackend(Target &T, Target::MCAsmBackendCtorTy Fn) {
|
|
if (!T.MCAsmBackendCtorFn)
|
|
T.MCAsmBackendCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterMCAsmParser - Register a MCTargetAsmParser implementation for
|
|
/// the given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct an MCTargetAsmParser for the target.
|
|
static void RegisterMCAsmParser(Target &T, Target::MCAsmParserCtorTy Fn) {
|
|
if (!T.MCAsmParserCtorFn)
|
|
T.MCAsmParserCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterAsmPrinter - Register an AsmPrinter implementation for the given
|
|
/// target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct an AsmPrinter for the target.
|
|
static void RegisterAsmPrinter(Target &T, Target::AsmPrinterCtorTy Fn) {
|
|
// Ignore duplicate registration.
|
|
if (!T.AsmPrinterCtorFn)
|
|
T.AsmPrinterCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterMCDisassembler - Register a MCDisassembler implementation for
|
|
/// the given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct an MCDisassembler for the target.
|
|
static void RegisterMCDisassembler(Target &T,
|
|
Target::MCDisassemblerCtorTy Fn) {
|
|
if (!T.MCDisassemblerCtorFn)
|
|
T.MCDisassemblerCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterMCInstPrinter - Register a MCInstPrinter implementation for the
|
|
/// given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct an MCInstPrinter for the target.
|
|
static void RegisterMCInstPrinter(Target &T,
|
|
Target::MCInstPrinterCtorTy Fn) {
|
|
if (!T.MCInstPrinterCtorFn)
|
|
T.MCInstPrinterCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterMCCodeEmitter - Register a MCCodeEmitter implementation for the
|
|
/// given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct an MCCodeEmitter for the target.
|
|
static void RegisterMCCodeEmitter(Target &T,
|
|
Target::MCCodeEmitterCtorTy Fn) {
|
|
if (!T.MCCodeEmitterCtorFn)
|
|
T.MCCodeEmitterCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterMCObjectStreamer - Register a object code MCStreamer
|
|
/// implementation for the given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct an MCStreamer for the target.
|
|
static void RegisterMCObjectStreamer(Target &T,
|
|
Target::MCObjectStreamerCtorTy Fn) {
|
|
if (!T.MCObjectStreamerCtorFn)
|
|
T.MCObjectStreamerCtorFn = Fn;
|
|
}
|
|
|
|
/// RegisterAsmStreamer - Register an assembly MCStreamer implementation
|
|
/// for the given target.
|
|
///
|
|
/// Clients are responsible for ensuring that registration doesn't occur
|
|
/// while another thread is attempting to access the registry. Typically
|
|
/// this is done by initializing all targets at program startup.
|
|
///
|
|
/// @param T - The target being registered.
|
|
/// @param Fn - A function to construct an MCStreamer for the target.
|
|
static void RegisterAsmStreamer(Target &T, Target::AsmStreamerCtorTy Fn) {
|
|
if (T.AsmStreamerCtorFn == createAsmStreamer)
|
|
T.AsmStreamerCtorFn = Fn;
|
|
}
|
|
|
|
/// @}
|
|
};
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
/// RegisterTarget - Helper template for registering a target, for use in the
|
|
/// target's initialization function. Usage:
|
|
///
|
|
///
|
|
/// Target TheFooTarget; // The global target instance.
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTargetInfo() {
|
|
/// RegisterTarget<Triple::foo> X(TheFooTarget, "foo", "Foo description");
|
|
/// }
|
|
template<Triple::ArchType TargetArchType = Triple::UnknownArch,
|
|
bool HasJIT = false>
|
|
struct RegisterTarget {
|
|
RegisterTarget(Target &T, const char *Name, const char *Desc) {
|
|
TargetRegistry::RegisterTarget(T, Name, Desc,
|
|
&getTripleMatchQuality,
|
|
HasJIT);
|
|
}
|
|
|
|
static unsigned getTripleMatchQuality(const std::string &TT) {
|
|
if (Triple(TT).getArch() == TargetArchType)
|
|
return 20;
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
/// RegisterMCAsmInfo - Helper template for registering a target assembly info
|
|
/// implementation. This invokes the static "Create" method on the class to
|
|
/// actually do the construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCAsmInfo<FooMCAsmInfo> X(TheFooTarget);
|
|
/// }
|
|
template<class MCAsmInfoImpl>
|
|
struct RegisterMCAsmInfo {
|
|
RegisterMCAsmInfo(Target &T) {
|
|
TargetRegistry::RegisterMCAsmInfo(T, &Allocator);
|
|
}
|
|
private:
|
|
static MCAsmInfo *Allocator(const Target &T, StringRef TT) {
|
|
return new MCAsmInfoImpl(T, TT);
|
|
}
|
|
|
|
};
|
|
|
|
/// RegisterMCAsmInfoFn - Helper template for registering a target assembly info
|
|
/// implementation. This invokes the specified function to do the
|
|
/// construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCAsmInfoFn X(TheFooTarget, TheFunction);
|
|
/// }
|
|
struct RegisterMCAsmInfoFn {
|
|
RegisterMCAsmInfoFn(Target &T, Target::MCAsmInfoCtorFnTy Fn) {
|
|
TargetRegistry::RegisterMCAsmInfo(T, Fn);
|
|
}
|
|
};
|
|
|
|
/// RegisterMCCodeGenInfo - Helper template for registering a target codegen info
|
|
/// implementation. This invokes the static "Create" method on the class
|
|
/// to actually do the construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCCodeGenInfo<FooMCCodeGenInfo> X(TheFooTarget);
|
|
/// }
|
|
template<class MCCodeGenInfoImpl>
|
|
struct RegisterMCCodeGenInfo {
|
|
RegisterMCCodeGenInfo(Target &T) {
|
|
TargetRegistry::RegisterMCCodeGenInfo(T, &Allocator);
|
|
}
|
|
private:
|
|
static MCCodeGenInfo *Allocator(StringRef TT, Reloc::Model RM,
|
|
CodeModel::Model CM, CodeGenOpt::Level OL) {
|
|
return new MCCodeGenInfoImpl();
|
|
}
|
|
};
|
|
|
|
/// RegisterMCCodeGenInfoFn - Helper template for registering a target codegen
|
|
/// info implementation. This invokes the specified function to do the
|
|
/// construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCCodeGenInfoFn X(TheFooTarget, TheFunction);
|
|
/// }
|
|
struct RegisterMCCodeGenInfoFn {
|
|
RegisterMCCodeGenInfoFn(Target &T, Target::MCCodeGenInfoCtorFnTy Fn) {
|
|
TargetRegistry::RegisterMCCodeGenInfo(T, Fn);
|
|
}
|
|
};
|
|
|
|
/// RegisterMCInstrInfo - Helper template for registering a target instruction
|
|
/// info implementation. This invokes the static "Create" method on the class
|
|
/// to actually do the construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCInstrInfo<FooMCInstrInfo> X(TheFooTarget);
|
|
/// }
|
|
template<class MCInstrInfoImpl>
|
|
struct RegisterMCInstrInfo {
|
|
RegisterMCInstrInfo(Target &T) {
|
|
TargetRegistry::RegisterMCInstrInfo(T, &Allocator);
|
|
}
|
|
private:
|
|
static MCInstrInfo *Allocator() {
|
|
return new MCInstrInfoImpl();
|
|
}
|
|
};
|
|
|
|
/// RegisterMCInstrInfoFn - Helper template for registering a target
|
|
/// instruction info implementation. This invokes the specified function to
|
|
/// do the construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCInstrInfoFn X(TheFooTarget, TheFunction);
|
|
/// }
|
|
struct RegisterMCInstrInfoFn {
|
|
RegisterMCInstrInfoFn(Target &T, Target::MCInstrInfoCtorFnTy Fn) {
|
|
TargetRegistry::RegisterMCInstrInfo(T, Fn);
|
|
}
|
|
};
|
|
|
|
/// RegisterMCInstrAnalysis - Helper template for registering a target
|
|
/// instruction analyzer implementation. This invokes the static "Create"
|
|
/// method on the class to actually do the construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCInstrAnalysis<FooMCInstrAnalysis> X(TheFooTarget);
|
|
/// }
|
|
template<class MCInstrAnalysisImpl>
|
|
struct RegisterMCInstrAnalysis {
|
|
RegisterMCInstrAnalysis(Target &T) {
|
|
TargetRegistry::RegisterMCInstrAnalysis(T, &Allocator);
|
|
}
|
|
private:
|
|
static MCInstrAnalysis *Allocator(const MCInstrInfo *Info) {
|
|
return new MCInstrAnalysisImpl(Info);
|
|
}
|
|
};
|
|
|
|
/// RegisterMCInstrAnalysisFn - Helper template for registering a target
|
|
/// instruction analyzer implementation. This invokes the specified function
|
|
/// to do the construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCInstrAnalysisFn X(TheFooTarget, TheFunction);
|
|
/// }
|
|
struct RegisterMCInstrAnalysisFn {
|
|
RegisterMCInstrAnalysisFn(Target &T, Target::MCInstrAnalysisCtorFnTy Fn) {
|
|
TargetRegistry::RegisterMCInstrAnalysis(T, Fn);
|
|
}
|
|
};
|
|
|
|
/// RegisterMCRegInfo - Helper template for registering a target register info
|
|
/// implementation. This invokes the static "Create" method on the class to
|
|
/// actually do the construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCRegInfo<FooMCRegInfo> X(TheFooTarget);
|
|
/// }
|
|
template<class MCRegisterInfoImpl>
|
|
struct RegisterMCRegInfo {
|
|
RegisterMCRegInfo(Target &T) {
|
|
TargetRegistry::RegisterMCRegInfo(T, &Allocator);
|
|
}
|
|
private:
|
|
static MCRegisterInfo *Allocator(StringRef TT) {
|
|
return new MCRegisterInfoImpl();
|
|
}
|
|
};
|
|
|
|
/// RegisterMCRegInfoFn - Helper template for registering a target register
|
|
/// info implementation. This invokes the specified function to do the
|
|
/// construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCRegInfoFn X(TheFooTarget, TheFunction);
|
|
/// }
|
|
struct RegisterMCRegInfoFn {
|
|
RegisterMCRegInfoFn(Target &T, Target::MCRegInfoCtorFnTy Fn) {
|
|
TargetRegistry::RegisterMCRegInfo(T, Fn);
|
|
}
|
|
};
|
|
|
|
/// RegisterMCSubtargetInfo - Helper template for registering a target
|
|
/// subtarget info implementation. This invokes the static "Create" method
|
|
/// on the class to actually do the construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCSubtargetInfo<FooMCSubtargetInfo> X(TheFooTarget);
|
|
/// }
|
|
template<class MCSubtargetInfoImpl>
|
|
struct RegisterMCSubtargetInfo {
|
|
RegisterMCSubtargetInfo(Target &T) {
|
|
TargetRegistry::RegisterMCSubtargetInfo(T, &Allocator);
|
|
}
|
|
private:
|
|
static MCSubtargetInfo *Allocator(StringRef TT, StringRef CPU,
|
|
StringRef FS) {
|
|
return new MCSubtargetInfoImpl();
|
|
}
|
|
};
|
|
|
|
/// RegisterMCSubtargetInfoFn - Helper template for registering a target
|
|
/// subtarget info implementation. This invokes the specified function to
|
|
/// do the construction. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCSubtargetInfoFn X(TheFooTarget, TheFunction);
|
|
/// }
|
|
struct RegisterMCSubtargetInfoFn {
|
|
RegisterMCSubtargetInfoFn(Target &T, Target::MCSubtargetInfoCtorFnTy Fn) {
|
|
TargetRegistry::RegisterMCSubtargetInfo(T, Fn);
|
|
}
|
|
};
|
|
|
|
/// RegisterTargetMachine - Helper template for registering a target machine
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/// implementation, for use in the target machine initialization
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/// function. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooTarget() {
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|
/// extern Target TheFooTarget;
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|
/// RegisterTargetMachine<FooTargetMachine> X(TheFooTarget);
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|
/// }
|
|
template<class TargetMachineImpl>
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|
struct RegisterTargetMachine {
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RegisterTargetMachine(Target &T) {
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TargetRegistry::RegisterTargetMachine(T, &Allocator);
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|
}
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|
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private:
|
|
static TargetMachine *Allocator(const Target &T, StringRef TT,
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|
StringRef CPU, StringRef FS,
|
|
const TargetOptions &Options,
|
|
Reloc::Model RM,
|
|
CodeModel::Model CM,
|
|
CodeGenOpt::Level OL) {
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|
return new TargetMachineImpl(T, TT, CPU, FS, Options, RM, CM, OL);
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|
}
|
|
};
|
|
|
|
/// RegisterMCAsmBackend - Helper template for registering a target specific
|
|
/// assembler backend. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooMCAsmBackend() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCAsmBackend<FooAsmLexer> X(TheFooTarget);
|
|
/// }
|
|
template<class MCAsmBackendImpl>
|
|
struct RegisterMCAsmBackend {
|
|
RegisterMCAsmBackend(Target &T) {
|
|
TargetRegistry::RegisterMCAsmBackend(T, &Allocator);
|
|
}
|
|
|
|
private:
|
|
static MCAsmBackend *Allocator(const Target &T, StringRef Triple,
|
|
StringRef CPU) {
|
|
return new MCAsmBackendImpl(T, Triple, CPU);
|
|
}
|
|
};
|
|
|
|
/// RegisterMCAsmParser - Helper template for registering a target specific
|
|
/// assembly parser, for use in the target machine initialization
|
|
/// function. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooMCAsmParser() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCAsmParser<FooAsmParser> X(TheFooTarget);
|
|
/// }
|
|
template<class MCAsmParserImpl>
|
|
struct RegisterMCAsmParser {
|
|
RegisterMCAsmParser(Target &T) {
|
|
TargetRegistry::RegisterMCAsmParser(T, &Allocator);
|
|
}
|
|
|
|
private:
|
|
static MCTargetAsmParser *Allocator(MCSubtargetInfo &STI, MCAsmParser &P) {
|
|
return new MCAsmParserImpl(STI, P);
|
|
}
|
|
};
|
|
|
|
/// RegisterAsmPrinter - Helper template for registering a target specific
|
|
/// assembly printer, for use in the target machine initialization
|
|
/// function. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooAsmPrinter() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterAsmPrinter<FooAsmPrinter> X(TheFooTarget);
|
|
/// }
|
|
template<class AsmPrinterImpl>
|
|
struct RegisterAsmPrinter {
|
|
RegisterAsmPrinter(Target &T) {
|
|
TargetRegistry::RegisterAsmPrinter(T, &Allocator);
|
|
}
|
|
|
|
private:
|
|
static AsmPrinter *Allocator(TargetMachine &TM, MCStreamer &Streamer) {
|
|
return new AsmPrinterImpl(TM, Streamer);
|
|
}
|
|
};
|
|
|
|
/// RegisterMCCodeEmitter - Helper template for registering a target specific
|
|
/// machine code emitter, for use in the target initialization
|
|
/// function. Usage:
|
|
///
|
|
/// extern "C" void LLVMInitializeFooMCCodeEmitter() {
|
|
/// extern Target TheFooTarget;
|
|
/// RegisterMCCodeEmitter<FooCodeEmitter> X(TheFooTarget);
|
|
/// }
|
|
template<class MCCodeEmitterImpl>
|
|
struct RegisterMCCodeEmitter {
|
|
RegisterMCCodeEmitter(Target &T) {
|
|
TargetRegistry::RegisterMCCodeEmitter(T, &Allocator);
|
|
}
|
|
|
|
private:
|
|
static MCCodeEmitter *Allocator(const MCInstrInfo &II,
|
|
const MCRegisterInfo &MRI,
|
|
const MCSubtargetInfo &STI,
|
|
MCContext &Ctx) {
|
|
return new MCCodeEmitterImpl();
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|