зеркало из https://github.com/mozilla/gecko-dev.git
49 строки
1.4 KiB
C++
49 строки
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* This contains stubs and infrastructure to support code from v8 */
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#ifndef V8_SUPPORT_H_
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#define V8_SUPPORT_H_
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#if defined(_M_X64) || defined(__x86_64__)
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#define V8_HOST_ARCH_X64 1
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#elif defined(_M_IX86) || defined(__i386__) || defined(__i386)
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#define V8_HOST_ARCH_IA32 1
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#elif defined(__ARMEL__)
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#define V8_HOST_ARCH_ARM 1
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#else
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#warning Please add support for your architecture in chromium_types.h
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#endif
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typedef int32_t Atomic32;
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#if defined(V8_HOST_ARCH_X64) || defined(V8_HOST_ARCH_IA32) || defined(V8_HOST_ARCH_ARM)
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inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
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*ptr = value;
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}
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#endif
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const int kMaxInt = 0x7FFFFFFF;
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const int kMinInt = -kMaxInt - 1;
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// A macro to disallow the evil copy constructor and operator= functions
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// This should be used in the private: declarations for a class
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#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
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TypeName(const TypeName&); \
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void operator=(const TypeName&)
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// The USE(x) template is used to silence C++ compiler warnings
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// issued for (yet) unused variables (typically parameters).
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template <typename T>
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static inline void USE(T) { }
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class Malloced {
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};
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#endif // V8_SUPPORT_H_
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