Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _LINUX_FRAME_H
2#define _LINUX_FRAME_H
3
4#ifdef CONFIG_STACK_VALIDATION
5/*
6 * This macro marks the given function's stack frame as "non-standard", which
7 * tells objtool to ignore the function when doing stack metadata validation.
8 * It should only be used in special cases where you're 100% sure it won't
9 * affect the reliability of frame pointers and kernel stack traces.
10 *
11 * For more information, see tools/objtool/Documentation/stack-validation.txt.
12 */
13#define STACK_FRAME_NON_STANDARD(func) \
14 static void __used __section(__func_stack_frame_non_standard) \
15 *__func_stack_frame_non_standard_##func = func
16
17#else /* !CONFIG_STACK_VALIDATION */
18
19#define STACK_FRAME_NON_STANDARD(func)
20
21#endif /* CONFIG_STACK_VALIDATION */
22
23#endif /* _LINUX_FRAME_H */