mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
7f89fdae34
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95144 91177308-0d34-0410-b5e6-96231b3b80d8
104 lines
3.8 KiB
C++
104 lines
3.8 KiB
C++
//===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file declares the X86 specific subclass of TargetMachine.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef X86TARGETMACHINE_H
|
|
#define X86TARGETMACHINE_H
|
|
|
|
#include "llvm/Target/TargetMachine.h"
|
|
#include "llvm/Target/TargetData.h"
|
|
#include "llvm/Target/TargetFrameInfo.h"
|
|
#include "X86.h"
|
|
#include "X86ELFWriterInfo.h"
|
|
#include "X86InstrInfo.h"
|
|
#include "X86JITInfo.h"
|
|
#include "X86Subtarget.h"
|
|
#include "X86ISelLowering.h"
|
|
|
|
namespace llvm {
|
|
|
|
class formatted_raw_ostream;
|
|
|
|
class X86TargetMachine : public LLVMTargetMachine {
|
|
X86Subtarget Subtarget;
|
|
const TargetData DataLayout; // Calculates type size & alignment
|
|
TargetFrameInfo FrameInfo;
|
|
X86InstrInfo InstrInfo;
|
|
X86JITInfo JITInfo;
|
|
X86TargetLowering TLInfo;
|
|
X86ELFWriterInfo ELFWriterInfo;
|
|
Reloc::Model DefRelocModel; // Reloc model before it's overridden.
|
|
|
|
private:
|
|
// We have specific defaults for X86.
|
|
virtual void setCodeModelForJIT();
|
|
virtual void setCodeModelForStatic();
|
|
|
|
public:
|
|
X86TargetMachine(const Target &T, const std::string &TT,
|
|
const std::string &FS, bool is64Bit);
|
|
|
|
virtual const X86InstrInfo *getInstrInfo() const { return &InstrInfo; }
|
|
virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
|
|
virtual X86JITInfo *getJITInfo() { return &JITInfo; }
|
|
virtual const X86Subtarget *getSubtargetImpl() const{ return &Subtarget; }
|
|
virtual X86TargetLowering *getTargetLowering() const {
|
|
return const_cast<X86TargetLowering*>(&TLInfo);
|
|
}
|
|
virtual const X86RegisterInfo *getRegisterInfo() const {
|
|
return &InstrInfo.getRegisterInfo();
|
|
}
|
|
virtual const TargetData *getTargetData() const { return &DataLayout; }
|
|
virtual const X86ELFWriterInfo *getELFWriterInfo() const {
|
|
return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
|
|
}
|
|
|
|
/// getLSDAEncoding - Returns the LSDA pointer encoding. The choices are
|
|
/// 4-byte, 8-byte, and target default. The CIE is hard-coded to indicate that
|
|
/// the LSDA pointer in the FDE section is an "sdata4", and should be encoded
|
|
/// as a 4-byte pointer by default. However, some systems may require a
|
|
/// different size due to bugs or other conditions. We will default to a
|
|
/// 4-byte encoding unless the system tells us otherwise.
|
|
///
|
|
/// FIXME: This call-back isn't good! We should be using the correct encoding
|
|
/// regardless of the system. However, there are some systems which have bugs
|
|
/// that prevent this from occuring.
|
|
virtual DwarfLSDAEncoding::Encoding getLSDAEncoding() const;
|
|
|
|
// Set up the pass pipeline.
|
|
virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
|
|
virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
|
|
virtual bool addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
|
|
virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
|
|
JITCodeEmitter &JCE);
|
|
};
|
|
|
|
/// X86_32TargetMachine - X86 32-bit target machine.
|
|
///
|
|
class X86_32TargetMachine : public X86TargetMachine {
|
|
public:
|
|
X86_32TargetMachine(const Target &T, const std::string &M,
|
|
const std::string &FS);
|
|
};
|
|
|
|
/// X86_64TargetMachine - X86 64-bit target machine.
|
|
///
|
|
class X86_64TargetMachine : public X86TargetMachine {
|
|
public:
|
|
X86_64TargetMachine(const Target &T, const std::string &TT,
|
|
const std::string &FS);
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|