diff options
Diffstat (limited to 'include/linux/compiler_attributes.h')
| -rw-r--r-- | include/linux/compiler_attributes.h | 36 |
1 files changed, 15 insertions, 21 deletions
diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index f8c400ba1929..6b318efd8a74 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -34,10 +34,10 @@ #ifndef __has_attribute # define __has_attribute(x) __GCC4_has_attribute_##x # 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___externally_visible__ 1 # define __GCC4_has_attribute___noclone__ 1 -# define __GCC4_has_attribute___optimize__ 1 # define __GCC4_has_attribute___nonstring__ 0 # define __GCC4_has_attribute___no_sanitize_address__ (__GNUC_MINOR__ >= 8) #endif @@ -102,6 +102,19 @@ #define __attribute_const__ __attribute__((__const__)) /* + * Optional: only supported since gcc >= 9 + * Optional: not supported by clang + * Optional: not supported by icc + * + * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-copy-function-attribute + */ +#if __has_attribute(__copy__) +# define __copy(symbol) __attribute__((__copy__(symbol))) +#else +# define __copy(symbol) +#endif + +/* * Don't. Just don't. See commit 771c035372a0 ("deprecate the '__deprecated' * attribute warnings entirely and for good") for more information. * @@ -163,17 +176,11 @@ /* * Optional: not supported by clang - * Note: icc does not recognize gcc's no-tracer * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-noclone-function-attribute - * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-optimize-function-attribute */ #if __has_attribute(__noclone__) -# if __has_attribute(__optimize__) -# define __noclone __attribute__((__noclone__, __optimize__("no-tracer"))) -# else -# define __noclone __attribute__((__noclone__)) -# endif +# define __noclone __attribute__((__noclone__)) #else # define __noclone #endif @@ -207,19 +214,6 @@ #define __noreturn __attribute__((__noreturn__)) /* - * Optional: only supported since gcc >= 4.8 - * Optional: not supported by icc - * - * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-no_005fsanitize_005faddress-function-attribute - * clang: https://clang.llvm.org/docs/AttributeReference.html#no-sanitize-address-no-address-safety-analysis - */ -#if __has_attribute(__no_sanitize_address__) -# define __no_sanitize_address __attribute__((__no_sanitize_address__)) -#else -# define __no_sanitize_address -#endif - -/* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Type-Attributes.html#index-packed-type-attribute * clang: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-packed-variable-attribute */ |