Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'compiler-attributes-for-linus-v5.15-rc1-v2' of git://github.com/ojeda/linux
Pull compiler attributes updates from Miguel Ojeda:
- Fix __has_attribute(__no_sanitize_coverage__) for GCC 4 (Marco Elver)
- Add Nick as Reviewer for compiler_attributes.h (Nick Desaulniers)
- Move __compiletime_{error|warning} (Nick Desaulniers)
* tag 'compiler-attributes-for-linus-v5.15-rc1-v2' of git://github.com/ojeda/linux:
compiler_attributes.h: move __compiletime_{error|warning}
MAINTAINERS: add Nick as Reviewer for compiler_attributes.h
Compiler Attributes: fix __has_attribute(__no_sanitize_coverage__) for GCC 4
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MAINTAINERS
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MAINTAINERS
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include/linux/compiler-gcc.h
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include/linux/compiler-gcc.h
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#define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
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#define __compiletime_warning(message) __attribute__((__warning__(message)))
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#define __compiletime_error(message) __attribute__((__error__(message)))
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-
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#if defined(LATENT_ENTROPY_PLUGIN) && !defined(__CHECKER__)
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#define __latent_entropy __attribute__((latent_entropy))
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#endif
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include/linux/compiler_attributes.h
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include/linux/compiler_attributes.h
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# define __GCC4_has_attribute___assume_aligned__ 1
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# define __GCC4_has_attribute___copy__ 0
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# define __GCC4_has_attribute___designated_init__ 0
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# define __GCC4_has_attribute___error__ 1
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# define __GCC4_has_attribute___externally_visible__ 1
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# define __GCC4_has_attribute___no_caller_saved_registers__ 0
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# define __GCC4_has_attribute___noclone__ 1
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# define __GCC4_has_attribute___nonstring__ 0
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# define __GCC4_has_attribute___no_sanitize_address__ 1
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# define __GCC4_has_attribute___no_sanitize_undefined__ 1
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# define __GCC4_has_attribute___no_sanitize_coverage__ 0
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# define __GCC4_has_attribute___fallthrough__ 0
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# define __GCC4_has_attribute___warning__ 1
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#endif
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/*
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# define __designated_init __attribute__((__designated_init__))
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#else
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# define __designated_init
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#endif
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/*
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* Optional: only supported since clang >= 14.0
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*
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* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-error-function-attribute
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*/
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#if __has_attribute(__error__)
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# define __compiletime_error(msg) __attribute__((__error__(msg)))
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#else
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# define __compiletime_error(msg)
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#endif
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/*
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* clang: https://clang.llvm.org/docs/AttributeReference.html#nodiscard-warn-unused-result
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*/
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#define __must_check __attribute__((__warn_unused_result__))
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/*
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* Optional: only supported since clang >= 14.0
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*
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* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-warning-function-attribute
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*/
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#if __has_attribute(__warning__)
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# define __compiletime_warning(msg) __attribute__((__warning__(msg)))
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#else
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# define __compiletime_warning(msg)
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#endif
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/*
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* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-weak-function-attribute
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include/linux/compiler_types.h
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include/linux/compiler_types.h
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#ifndef __compiletime_object_size
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# define __compiletime_object_size(obj) -1
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#endif
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#ifndef __compiletime_warning
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# define __compiletime_warning(message)
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#endif
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#ifndef __compiletime_error
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# define __compiletime_error(message)
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#endif
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#ifdef __OPTIMIZE__
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# define __compiletime_assert(condition, msg, prefix, suffix) \