From d635711daa98be86d4c7fd01499c34f566b54ccb Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 10 Jun 2016 05:30:17 -0300 Subject: Linux-libre 4.6.2-gnu --- include/linux/frame.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 include/linux/frame.h (limited to 'include/linux/frame.h') diff --git a/include/linux/frame.h b/include/linux/frame.h new file mode 100644 index 000000000..e6baaba3f --- /dev/null +++ b/include/linux/frame.h @@ -0,0 +1,23 @@ +#ifndef _LINUX_FRAME_H +#define _LINUX_FRAME_H + +#ifdef CONFIG_STACK_VALIDATION +/* + * This macro marks the given function's stack frame as "non-standard", which + * tells objtool to ignore the function when doing stack metadata validation. + * It should only be used in special cases where you're 100% sure it won't + * affect the reliability of frame pointers and kernel stack traces. + * + * For more information, see tools/objtool/Documentation/stack-validation.txt. + */ +#define STACK_FRAME_NON_STANDARD(func) \ + static void __used __section(__func_stack_frame_non_standard) \ + *__func_stack_frame_non_standard_##func = func + +#else /* !CONFIG_STACK_VALIDATION */ + +#define STACK_FRAME_NON_STANDARD(func) + +#endif /* CONFIG_STACK_VALIDATION */ + +#endif /* _LINUX_FRAME_H */ -- cgit v1.2.3-54-g00ecf