xref: /openbmc/linux/arch/arm/mm/extable.c (revision 4da722ca)
1 /*
2  *  linux/arch/arm/mm/extable.c
3  */
4 #include <linux/extable.h>
5 #include <linux/uaccess.h>
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));
12 	if (fixup) {
13 		regs->ARM_pc = fixup->fixup;
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 	}
19 
20 	return fixup != NULL;
21 }
22