diff options
Diffstat (limited to 'arch/arc/mm/extable.c')
-rw-r--r-- | arch/arc/mm/extable.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arc/mm/extable.c b/arch/arc/mm/extable.c new file mode 100644 index 000000000..4e14c4244 --- /dev/null +++ b/arch/arc/mm/extable.c @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + * + * Borrowed heavily from MIPS + */ + +#include <linux/export.h> +#include <linux/extable.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->ret = fixup->fixup; + + return 1; + } + + return 0; +} + +#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE + +unsigned long arc_clear_user_noinline(void __user *to, + unsigned long n) +{ + return __arc_clear_user(to, n); +} +EXPORT_SYMBOL(arc_clear_user_noinline); + +#endif |