1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * linux/arch/arm/mm/extable.c 4 */ 5 #include <linux/extable.h> 6 #include <linux/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 if (fixup) { 14 regs->ARM_pc = fixup->fixup; 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 } 20 21 return fixup != NULL; 22 } 23