tools/profiler/v8-support.h
author Ed Morley <emorley@mozilla.com>
Mon, 08 Oct 2012 11:01:33 +0100
changeset 109665 8b78045e153624f66ace247eef2723e742efe86e
parent 94475 f4157e8c410708d76703f19e4dfb61859bfe32d8
permissions -rw-r--r--
Merge mozilla-central to mozilla-inbound

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* This contains stubs and infrastructure to support code from v8 */

#ifndef V8_SUPPORT_H_
#define V8_SUPPORT_H_

#if defined(_M_X64) || defined(__x86_64__)
#define V8_HOST_ARCH_X64 1
#elif defined(_M_IX86) || defined(__i386__) || defined(__i386)
#define V8_HOST_ARCH_IA32 1
#elif defined(__ARMEL__)
#define V8_HOST_ARCH_ARM 1
#else
#warning Please add support for your architecture in chromium_types.h
#endif

typedef int32_t Atomic32;

#if defined(V8_HOST_ARCH_X64) || defined(V8_HOST_ARCH_IA32) || defined(V8_HOST_ARCH_ARM)
inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
  *ptr = value;
}
#endif


const int kMaxInt = 0x7FFFFFFF;
const int kMinInt = -kMaxInt - 1;

// A macro to disallow the evil copy constructor and operator= functions
// This should be used in the private: declarations for a class
#define DISALLOW_COPY_AND_ASSIGN(TypeName)      \
  TypeName(const TypeName&);                    \
  void operator=(const TypeName&)


// The USE(x) template is used to silence C++ compiler warnings
// issued for (yet) unused variables (typically parameters).
template <typename T>
static inline void USE(T) { }

class Malloced {
};

#endif // V8_SUPPORT_H_