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23 lines
774 B
23 lines
774 B
#ifndef _LINUX_FRAME_H
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#define _LINUX_FRAME_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_FRAME_H */
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