b50f106397
Header frame.h is getting more code annotations to help objtool analyze object files. Rename the file to objtool.h. [ jpoimboe: add objtool.h to MAINTAINERS ] Change-Id: I0b95a75fb3cfe673bf18d8d5a886b2809ea3b5f5 Signed-off-by: Julien Thierry <jthierry@redhat.com> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
25 lines
819 B
C
25 lines
819 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_OBJTOOL_H
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#define _LINUX_OBJTOOL_H
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#ifdef CONFIG_STACK_VALIDATION
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/*
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* This macro marks the given function's stack frame as "non-standard", which
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* tells objtool to ignore the function when doing stack metadata validation.
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* It should only be used in special cases where you're 100% sure it won't
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* affect the reliability of frame pointers and kernel stack traces.
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*
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* For more information, see tools/objtool/Documentation/stack-validation.txt.
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*/
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#define STACK_FRAME_NON_STANDARD(func) \
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static void __used __section(.discard.func_stack_frame_non_standard) \
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*__func_stack_frame_non_standard_##func = func
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#else /* !CONFIG_STACK_VALIDATION */
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#define STACK_FRAME_NON_STANDARD(func)
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#endif /* CONFIG_STACK_VALIDATION */
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#endif /* _LINUX_OBJTOOL_H */
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