diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 5d97ef738a575e0232c5325d7afc55b45aed009f..61c1479688dbdcc8503239887dadcbfdc652eb18 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -43,9 +43,6 @@ #define __compiletime_object_size(obj) __builtin_object_size(obj, 0) -#define __compiletime_warning(message) __attribute__((__warning__(message))) -#define __compiletime_error(message) __attribute__((__error__(message))) - #if defined(LATENT_ENTROPY_PLUGIN) && !defined(__CHECKER__) #define __latent_entropy __attribute__((latent_entropy)) #endif diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index 7b1fa5c3016911e6cc3039bc666bbd83bba66afc..f4df9e5a8c769ff8e15a2562eef494ed8cb55d60 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -30,6 +30,7 @@ # define __GCC4_has_attribute___assume_aligned__ (__GNUC_MINOR__ >= 9) # define __GCC4_has_attribute___copy__ 0 # define __GCC4_has_attribute___designated_init__ 0 +# define __GCC4_has_attribute___error__ 1 # define __GCC4_has_attribute___externally_visible__ 1 # define __GCC4_has_attribute___no_caller_saved_registers__ 0 # define __GCC4_has_attribute___noclone__ 1 @@ -38,6 +39,7 @@ # define __GCC4_has_attribute___no_sanitize_undefined__ (__GNUC_MINOR__ >= 9) # define __GCC4_has_attribute___no_sanitize_coverage__ 0 # define __GCC4_has_attribute___fallthrough__ 0 +# define __GCC4_has_attribute___warning__ 1 #endif /* @@ -137,6 +139,17 @@ # define __designated_init #endif +/* + * Optional: only supported since clang >= 14.0 + * + * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-error-function-attribute + */ +#if __has_attribute(__error__) +# define __compiletime_error(msg) __attribute__((__error__(msg))) +#else +# define __compiletime_error(msg) +#endif + /* * Optional: not supported by clang * @@ -286,6 +299,17 @@ */ #define __must_check __attribute__((__warn_unused_result__)) +/* + * Optional: only supported since clang >= 14.0 + * + * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-warning-function-attribute + */ +#if __has_attribute(__warning__) +# define __compiletime_warning(msg) __attribute__((__warning__(msg))) +#else +# define __compiletime_warning(msg) +#endif + /* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-weak-function-attribute * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-weak-variable-attribute diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index d29bda7f6ebddf8141443801ceb553b3f57eb934..8246d0caffa607ff571d5b664d9dd148394172d1 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -294,12 +294,6 @@ struct ftrace_likely_data { #ifndef __compiletime_object_size # define __compiletime_object_size(obj) -1 #endif -#ifndef __compiletime_warning -# define __compiletime_warning(message) -#endif -#ifndef __compiletime_error -# define __compiletime_error(message) -#endif #ifdef __OPTIMIZE__ # define __compiletime_assert(condition, msg, prefix, suffix) \