x86_nop.h

// Copyright 2011-2017 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef THIRD_PARTY_ZYNAMICS_BINEXPORT_X86_NOP_H_
#define THIRD_PARTY_ZYNAMICS_BINEXPORT_X86_NOP_H_

#include <cstddef>

// Returns true if the instruction starting at "memory" (which contains at least
// "size" bytes) is a NOP instruction. NOPs have been taken from the GNU
// assembler tc-i386.c i386_align_code().
// For details, see b/24084521#comment7
bool IsNopX86(const char* m, size_t size);

#endif  // THIRD_PARTY_ZYNAMICS_BINEXPORT_X86_NOP_H_