1// Copyright 2006-2009 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28#ifndef V8_OPROFILE_AGENT_H_ 29#define V8_OPROFILE_AGENT_H_ 30 31#include <stdlib.h> 32 33#include "globals.h" 34 35#ifdef ENABLE_OPROFILE_AGENT 36// opagent.h uses uint64_t type, which can be missing in 37// system headers (they have __uint64_t), but is defined 38// in V8's headers. 39#include <opagent.h> // NOLINT 40#endif 41 42namespace v8 { 43namespace internal { 44 45class OProfileAgent { 46 public: 47 static bool Initialize(); 48 static void TearDown(); 49 static void CreateNativeCodeRegion(const char* name, 50 const void* ptr, unsigned int size); 51 static void CreateNativeCodeRegion(String* name, 52 const void* ptr, unsigned int size); 53 static void CreateNativeCodeRegion(String* name, String* source, int line_num, 54 const void* ptr, unsigned int size); 55#ifdef ENABLE_OPROFILE_AGENT 56 static bool is_enabled() { return handle_ != NULL; } 57 58 private: 59 static op_agent_t handle_; 60 61 // Size of the buffer that is used for composing code areas names. 62 static const int kFormattingBufSize = 256; 63#else 64 static bool is_enabled() { return false; } 65#endif 66}; 67} } 68 69#endif // V8_OPROFILE_AGENT_H_ 70