1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is mozilla.org code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Mozilla Foundation.
19 : * Portions created by the Initial Developer are Copyright (C) 2011
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Jeff Muizelaar <jmuizelaar@mozilla.com>
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either the GNU General Public License Version 2 or later (the "GPL"), or
27 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
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36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : /* This contains stubs and infrastructure to support code from v8 */
40 :
41 : #ifndef V8_SUPPORT_H_
42 : #define V8_SUPPORT_H_
43 :
44 : #if defined(_M_X64) || defined(__x86_64__)
45 : #define V8_HOST_ARCH_X64 1
46 : #elif defined(_M_IX86) || defined(__i386__) || defined(__i386)
47 : #define V8_HOST_ARCH_IA32 1
48 : #elif defined(__ARMEL__)
49 : #define V8_HOST_ARCH_ARM 1
50 : #else
51 : #warning Please add support for your architecture in chromium_types.h
52 : #endif
53 :
54 : typedef int32_t Atomic32;
55 :
56 : #if defined(V8_HOST_ARCH_X64) || defined(V8_HOST_ARCH_IA32) || defined(V8_HOST_ARCH_ARM)
57 0 : inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
58 0 : *ptr = value;
59 0 : }
60 : #endif
61 :
62 :
63 : const int kMaxInt = 0x7FFFFFFF;
64 : const int kMinInt = -kMaxInt - 1;
65 :
66 : // A macro to disallow the evil copy constructor and operator= functions
67 : // This should be used in the private: declarations for a class
68 : #define DISALLOW_COPY_AND_ASSIGN(TypeName) \
69 : TypeName(const TypeName&); \
70 : void operator=(const TypeName&)
71 :
72 :
73 : // The USE(x) template is used to silence C++ compiler warnings
74 : // issued for (yet) unused variables (typically parameters).
75 : template <typename T>
76 : static inline void USE(T) { }
77 :
78 0 : class Malloced {
79 : };
80 :
81 : #endif // V8_SUPPORT_H_
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