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

// SPDX-License-Identifier: GPL-2.0
/*
 *  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
b2441318	1	// SPDX-License-Identifier: GPL-2.0
1da177e4 LT	2	/*
	3	* linux/arch/arm/mm/extable.c
	4	*/
0ea9365a	5	#include <linux/extable.h>
33fa9b13	6	#include <linux/uaccess.h>
1da177e4 LT	7
	8	int fixup_exception(struct pt_regs *regs)
	9	{
	10	const struct exception_table_entry *fixup;
	11
	12	fixup = search_exception_tables(instruction_pointer(regs));
e16b31bf	13	if (fixup) {
1da177e4	14	regs->ARM_pc = fixup->fixup;
e16b31bf MZ	15	#ifdef CONFIG_THUMB2_KERNEL
	16	/* Clear the IT state to avoid nasty surprises in the fixup */
	17	regs->ARM_cpsr &= ~PSR_IT_MASK;
	18	#endif
	19	}
1da177e4 LT	20
	21	return fixup != NULL;
	22	}