memory.h.svn-base

来自「Google浏览器V8内核代码」· SVN-BASE 代码 · 共 62 行

// Copyright 2006-2008 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
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#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 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 int& int_at(Address addr)  {
    return *reinterpret_cast<int*>(addr);
  }

  static Address& Address_at(Address addr)  {
    return *reinterpret_cast<Address*>(addr);
  }

  static Object*& Object_at(Address addr)  {
    return *reinterpret_cast<Object**>(addr);
  }
};

} }  // namespace v8::internal

#endif  // V8_MEMORY_H_