diff options
Diffstat (limited to 'arch/arm/mm/extable.c')
-rw-r--r-- | arch/arm/mm/extable.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mm/extable.c b/arch/arm/mm/extable.c new file mode 100644 index 000000000..312e15e6d --- /dev/null +++ b/arch/arm/mm/extable.c @@ -0,0 +1,21 @@ +/* + * linux/arch/arm/mm/extable.c + */ +#include <linux/module.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; +} |