stackcheck.c

ICCAVR中所有的库函数源码

/* Check for Stack Overflow
 */
void _StackCheck(void)
	{
	extern char *_HWStackBottom(void);
	extern void _StackOverflowed(char);

	extern char _bss_end;

	char *hwstk = _HWStackBottom();

	if (hwstk[0] != 0xAA)
		_StackOverflowed(1);
	if (_bss_end != 0xAA)
		_StackOverflowed(0);
	}