From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/arm/mm/extable.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 arch/arm/mm/extable.c (limited to 'arch/arm/mm/extable.c') diff --git a/arch/arm/mm/extable.c b/arch/arm/mm/extable.c new file mode 100644 index 00000000..312e15e6 --- /dev/null +++ b/arch/arm/mm/extable.c @@ -0,0 +1,21 @@ +/* + * linux/arch/arm/mm/extable.c + */ +#include +#include + +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; +} -- cgit v1.3.1