llvm/lib/Target/X86/MCTargetDesc/X86TargetStreamer.h

   1 //===- X86TargetStreamer.h ------------------------------*- 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 #ifndef LLVM_LIB_TARGET_X86_MCTARGETDESC_X86TARGETSTREAMER_H
  10 #define LLVM_LIB_TARGET_X86_MCTARGETDESC_X86TARGETSTREAMER_H
  11
  12 #include "llvm/MC/MCStreamer.h"
  13
  14 namespace llvm {
  15
  16 /// X86 target streamer implementing x86-only assembly directives.
  17 class X86TargetStreamer : public MCTargetStreamer {
  18 public:
  19   X86TargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
  20
  21   virtual bool emitFPOProc(const MCSymbol *ProcSym, unsigned ParamsSize,
  22                            SMLoc L = {}) {
  23     return false;
  24   }
  25   virtual bool emitFPOEndPrologue(SMLoc L = {}) { return false; }
  26   virtual bool emitFPOEndProc(SMLoc L = {}) { return false; };
  27   virtual bool emitFPOData(const MCSymbol *ProcSym, SMLoc L = {}) {
  28     return false;
  29   }
  30   virtual bool emitFPOPushReg(MCRegister Reg, SMLoc L = {}) { return false; }
  31   virtual bool emitFPOStackAlloc(unsigned StackAlloc, SMLoc L = {}) {
  32     return false;
  33   }
  34   virtual bool emitFPOStackAlign(unsigned Align, SMLoc L = {}) { return false; }
  35   virtual bool emitFPOSetFrame(MCRegister Reg, SMLoc L = {}) { return false; }
  36 };
  37
  38 /// Implements X86-only null emission.
  39 inline MCTargetStreamer *createX86NullTargetStreamer(MCStreamer &S) {
  40   return new X86TargetStreamer(S);
  41 }
  42
  43 } // end namespace llvm
  44
  45 #endif