alt_do_dtors.c

nios中自定义指令集实现三角函数的软件部分。

/******************************************************************************
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* Copyright (c) 2004 Altera Corporation, San Jose, California, USA.           *
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/******************************************************************************
*                                                                             *
* THIS IS A LIBRARY READ-ONLY SOURCE FILE. DO NOT EDIT IT DIRECTLY.           *
*                                                                             *
* Overriding HAL Functions                                                    *
*                                                                             *
* To provide your own implementation of a HAL function, include the file in   *
* your Nios II IDE application project. When building the executable, the     *
* Nios II IDE finds your function first, and uses it in place of the HAL      *
* version.                                                                    *
*                                                                             *
******************************************************************************/

/*
 * 
 */

typedef void (*destructor) (void);
extern destructor __DTOR_LIST__[];
extern destructor __DTOR_END__[];

/*
 * Run the C++ static destructors.
 */

void _do_dtors(void)
{
  destructor* dtor;

  for (dtor = &__DTOR_END__[-1]; dtor >= __DTOR_LIST__; dtor--)
        (*dtor) (); 
}