tools/profiler/v8-support.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 /* This contains stubs and infrastructure to support code from v8 */
   7
   8 #ifndef V8_SUPPORT_H_
   9 #define V8_SUPPORT_H_
  10
  11 #if defined(_M_X64) || defined(__x86_64__)
  12 #define V8_HOST_ARCH_X64 1
  13 #elif defined(_M_IX86) || defined(__i386__) || defined(__i386)
  14 #define V8_HOST_ARCH_IA32 1
  15 #elif defined(__ARMEL__)
  16 #define V8_HOST_ARCH_ARM 1
  17 #else
  18 #warning Please add support for your architecture in chromium_types.h
  19 #endif
  20
  21 typedef int32_t Atomic32;
  22
  23 #if defined(V8_HOST_ARCH_X64) || defined(V8_HOST_ARCH_IA32) || defined(V8_HOST_ARCH_ARM)
  24 inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
  25   *ptr = value;
  26 }
  27 #endif
  28
  29
  30 const int kMaxInt = 0x7FFFFFFF;
  31 const int kMinInt = -kMaxInt - 1;
  32
  33 // A macro to disallow the evil copy constructor and operator= functions
  34 // This should be used in the private: declarations for a class
  35 #define DISALLOW_COPY_AND_ASSIGN(TypeName)      \
  36   TypeName(const TypeName&);                    \
  37   void operator=(const TypeName&)
  38
  39
  40 // The USE(x) template is used to silence C++ compiler warnings
  41 // issued for (yet) unused variables (typically parameters).
  42 template <typename T>
  43 static inline void USE(T) { }
  44
  45 class Malloced {
  46 };
  47
  48 #endif // V8_SUPPORT_H_