v8memory.h

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// Copyright 2011 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef V8_MEMORY_H_
#define V8_MEMORY_H_
 
namespace v8 {
namespace internal {
 
// Memory provides an interface to 'raw' memory. It encapsulates the casts
// that typically are needed when incompatible pointer types are used.
 
class Memory {
 public:
  static uint8_t& uint8_at(Address addr) {
    return *reinterpret_cast<uint8_t*>(addr);
  }
 
  static uint16_t& uint16_at(Address addr)  {
    return *reinterpret_cast<uint16_t*>(addr);
  }
 
  static uint32_t& uint32_at(Address addr)  {
    return *reinterpret_cast<uint32_t*>(addr);
  }
 
  static int32_t& int32_at(Address addr)  {
    return *reinterpret_cast<int32_t*>(addr);
  }
 
  static uint64_t& uint64_at(Address addr)  {
    return *reinterpret_cast<uint64_t*>(addr);
  }
 
  static int& int_at(Address addr)  {
    return *reinterpret_cast<int*>(addr);
  }
 
  static unsigned& unsigned_at(Address addr) {
    return *reinterpret_cast<unsigned*>(addr);
  }
 
  static intptr_t& intptr_at(Address addr)  {
    return *reinterpret_cast<intptr_t*>(addr);
  }
 
  static uintptr_t& uintptr_at(Address addr) {
    return *reinterpret_cast<uintptr_t*>(addr);
  }
 
  static double& double_at(Address addr)  {
    return *reinterpret_cast<double*>(addr);
  }
 
  static Address& Address_at(Address addr)  {
    return *reinterpret_cast<Address*>(addr);
  }
 
  static Object*& Object_at(Address addr)  {
    return *reinterpret_cast<Object**>(addr);
  }
 
  static Handle<Object>& Object_Handle_at(Address addr)  {
    return *reinterpret_cast<Handle<Object>*>(addr);
  }
};
 
} }  // namespace v8::internal
 
#endif  // V8_MEMORY_H_