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// Copyright 2006-2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// This module contains the architecture-specific code. This make the rest of
// the code less dependent on differences between different processor
// architecture.
// The classes have the same definition for all architectures. The
// implementation for a particular architecture is put in cpu_<arch>.cc.
// The build system then uses the implementation for the target architecture.
//
#ifndef V8_CPU_H_
#define V8_CPU_H_
#include "allocation.h"
namespace v8 {
namespace internal {
// ----------------------------------------------------------------------------
// CPU
//
// This class has static methods for the architecture specific functions. Add
// methods here to cope with differences between the supported architectures.
//
// For each architecture the file cpu_<arch>.cc contains the implementation of
// these functions.
class CPU : public AllStatic {
public:
// Initializes the cpu architecture support. Called once at VM startup.
static void SetUp();
static bool SupportsCrankshaft();
// Flush instruction cache.
static void FlushICache(void* start, size_t size);
// Try to activate a system level debugger.
static void DebugBreak();
};
} } // namespace v8::internal
#endif // V8_CPU_H_
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