X86TargetStreamer.h

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//===- X86TargetStreamer.h ------------------------------*- 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
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_LIB_TARGET_X86_MCTARGETDESC_X86TARGETSTREAMER_H
#define LLVM_LIB_TARGET_X86_MCTARGETDESC_X86TARGETSTREAMER_H
 
#include "llvm/MC/MCStreamer.h"
 
namespace llvm {
 
/// X86 target streamer implementing x86-only assembly directives.
class X86TargetStreamer : public MCTargetStreamer {
public:
  X86TargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
 
  virtual void emitCode16() {}
  virtual void emitCode32() {}
  virtual void emitCode64() {}
 
  virtual bool emitFPOProc(const MCSymbol *ProcSym, unsigned ParamsSize,
                           SMLoc L = {}) {
    return false;
  }
  virtual bool emitFPOEndPrologue(SMLoc L = {}) { return false; }
  virtual bool emitFPOEndProc(SMLoc L = {}) { return false; };
  virtual bool emitFPOData(const MCSymbol *ProcSym, SMLoc L = {}) {
    return false;
  }
  virtual bool emitFPOPushReg(MCRegister Reg, SMLoc L = {}) { return false; }
  virtual bool emitFPOStackAlloc(unsigned StackAlloc, SMLoc L = {}) {
    return false;
  }
  virtual bool emitFPOStackAlign(unsigned Align, SMLoc L = {}) { return false; }
  virtual bool emitFPOSetFrame(MCRegister Reg, SMLoc L = {}) { return false; }
};
 
/// Implements X86-only null emission.
inline MCTargetStreamer *createX86NullTargetStreamer(MCStreamer &S) {
  return new X86TargetStreamer(S);
}
 
} // end namespace llvm
 
#endif