[mirror_ubuntu-zesty-kernel.git] / arch / ia64 / mm / extable.c

/*
 * Kernel exception handling table support.  Derived from arch/alpha/mm/extable.c.
 *
 * Copyright (C) 1998, 1999, 2001-2002, 2004 Hewlett-Packard Co
 *	David Mosberger-Tang <davidm@hpl.hp.com>
 */

#include <linux/uaccess.h>

void
ia64_handle_exception (struct pt_regs *regs, const struct exception_table_entry *e)
{
	long fix = (u64) &e->fixup + e->fixup;

	regs->r8 = -EFAULT;
	if (fix & 4)
		regs->r9 = 0;
	regs->cr_iip = fix & ~0xf;
	ia64_psr(regs)->ri = fix & 0x3;		/* set continuation slot number */
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Kernel exception handling table support. Derived from arch/alpha/mm/extable.c.
	3	*
	4	* Copyright (C) 1998, 1999, 2001-2002, 2004 Hewlett-Packard Co
	5	* David Mosberger-Tang <davidm@hpl.hp.com>
	6	*/
	7
7c0f6ba6	8	#include <linux/uaccess.h>
1da177e4 LT	9
	10	void
	11	ia64_handle_exception (struct pt_regs regs, const struct exception_table_entry e)
	12	{
8fe9752e	13	long fix = (u64) &e->fixup + e->fixup;
1da177e4 LT	14
	15	regs->r8 = -EFAULT;
	16	if (fix & 4)
	17	regs->r9 = 0;
	18	regs->cr_iip = fix & ~0xf;
	19	ia64_psr(regs)->ri = fix & 0x3; /* set continuation slot number */
	20	}