xlib_base.h

/*!
  \file   xlib_base.h
  \brief  xlib_base.h用于基础包含

  - 异常处理宏定义，及Ring0下基础包含，Ring3下基础包含
  - Ring0下全局的new delete操作符重载。
  - 由于operator new与operator delete的特殊性，必须把这组操作独立出来，
    并置放于多数头文件声明之前，以确保内核内存分配的正确性。
  - 有了这个头文件，内核编程中也可以使用类等动态对象
  - 默认使用非分页内存

  \version    2.1.1205.1817
  \note       For All

  \author     triones
  \date       2010-07-01
*/
#pragma once

#include "xlib_link.h"

#ifdef FOR_RING0

#   ifdef __cplusplus
extern "C"
  {
#   endif

#   pragma warning(push)
#   pragma warning(disable:4201)//使用了非标准扩展 : 无名称的结构/联合

#     include <ntifs.h>
#     include <windef.h>

#   pragma warning(pop)

#   ifdef __cplusplus
  } 
#   endif

//! 以下是new与delete的RING0级重载
void* __cdecl operator new(size_t size);
void* __cdecl operator new(size_t size,POOL_TYPE pooltype);
void* __cdecl operator new[](size_t size);
void* __cdecl operator new[](size_t size,POOL_TYPE pooltype);
void  __cdecl operator delete(void* mem);
void  __cdecl operator delete[](void* mem);

#   include "xlib_struct_ring0.h"
#   include "xlib_struct.h"

#   define XLIB_TRY     __try
#   define XLIB_CATCH   __except(EXCEPTION_EXECUTE_HANDLER)

#   pragma warning(disable:4127) //warning C4127: 条件表达式是常量
#   pragma warning(disable:4100) //warning C4100: 未引用的形参
#else    //#ifdef FOR_RING0

#   define WIN32_LEAN_AND_MEAN
#   include <windows.h>

#   include "xlib_struct_ring3.h"
#   include "xlib_struct.h"

//! ring3下，建议使用XLIB_TRY代替try
#   define XLIB_TRY     try
//! ring3下，建议使用XLIB_CATCH代替catch
#   define XLIB_CATCH   catch(...)

#endif    //#ifdef FOR_RING0