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: X86TargetStreamer(MCStreamer & S)19 X86TargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {} 20 emitCode16()21 virtual void emitCode16() {} emitCode32()22 virtual void emitCode32() {} emitCode64()23 virtual void emitCode64() {} 24 25 virtual bool emitFPOProc(const MCSymbol *ProcSym, unsigned ParamsSize, 26 SMLoc L = {}) { 27 return false; 28 } 29 virtual bool emitFPOEndPrologue(SMLoc L = {}) { return false; } 30 virtual bool emitFPOEndProc(SMLoc L = {}) { return false; }; 31 virtual bool emitFPOData(const MCSymbol *ProcSym, SMLoc L = {}) { 32 return false; 33 } 34 virtual bool emitFPOPushReg(MCRegister Reg, SMLoc L = {}) { return false; } 35 virtual bool emitFPOStackAlloc(unsigned StackAlloc, SMLoc L = {}) { 36 return false; 37 } 38 virtual bool emitFPOStackAlign(unsigned Align, SMLoc L = {}) { return false; } 39 virtual bool emitFPOSetFrame(MCRegister Reg, SMLoc L = {}) { return false; } 40 }; 41 42 /// Implements X86-only null emission. createX86NullTargetStreamer(MCStreamer & S)43inline MCTargetStreamer *createX86NullTargetStreamer(MCStreamer &S) { 44 return new X86TargetStreamer(S); 45 } 46 47 } // end namespace llvm 48 49 #endif 50