[mirror_ubuntu-jammy-kernel.git] / arch / arm26 / mm / extable.c

/*
 *  linux/arch/arm26/mm/extable.c
 */

#include <linux/module.h>
#include <asm/uaccess.h>

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

        fixup = search_exception_tables(instruction_pointer(regs));

	/*
	 * The kernel runs in SVC mode - make sure we keep running in SVC mode
	 * by frobbing the PSR appropriately (PSR and PC are in the same reg.
	 * on ARM26)
	 */
        if (fixup)
                regs->ARM_pc = fixup->fixup | PSR_I_BIT | MODE_SVC26;

        return fixup != NULL;
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/arm26/mm/extable.c
	3	*/
	4
1da177e4 LT	5	#include <linux/module.h>
	6	#include <asm/uaccess.h>
	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));
	13
	14	/*
	15	* The kernel runs in SVC mode - make sure we keep running in SVC mode
	16	* by frobbing the PSR appropriately (PSR and PC are in the same reg.
	17	* on ARM26)
	18	*/
	19	if (fixup)
	20	regs->ARM_pc = fixup->fixup \| PSR_I_BIT \| MODE_SVC26;
	21
	22	return fixup != NULL;
	23	}
	24