[mirror_ubuntu-artful-kernel.git] / arch / arm / mm / extable.c

/*
 *  linux/arch/arm/mm/extable.c
 */
#include <linux/extable.h>
#include <linux/uaccess.h>

int fixup_exception(struct pt_regs *regs)
{
	const struct exception_table_entry *fixup;

	fixup = search_exception_tables(instruction_pointer(regs));
	if (fixup) {
		regs->ARM_pc = fixup->fixup;
#ifdef CONFIG_THUMB2_KERNEL
		/* Clear the IT state to avoid nasty surprises in the fixup */
		regs->ARM_cpsr &= ~PSR_IT_MASK;
#endif
	}

	return fixup != NULL;
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/arm/mm/extable.c
	3	*/
0ea9365a	4	#include <linux/extable.h>
33fa9b13	5	#include <linux/uaccess.h>
1da177e4 LT	6
	7	int fixup_exception(struct pt_regs *regs)
	8	{
	9	const struct exception_table_entry *fixup;
	10
	11	fixup = search_exception_tables(instruction_pointer(regs));
e16b31bf	12	if (fixup) {
1da177e4	13	regs->ARM_pc = fixup->fixup;
e16b31bf MZ	14	#ifdef CONFIG_THUMB2_KERNEL
	15	/* Clear the IT state to avoid nasty surprises in the fixup */
	16	regs->ARM_cpsr &= ~PSR_IT_MASK;
	17	#endif
	18	}
1da177e4 LT	19
	20	return fixup != NULL;
	21	}