mirror of
https://gitee.com/bianbu-linux/linux-6.6
synced 2025-04-24 14:07:52 -04:00
6c3466435b
To have a more compact way to specify that a function doesn't return, instead of the open coded: __attribute__((noreturn)) And use it instead of the tools/perf/ specific variation, NORETURN. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-l0y144qzixcy5t4c6i7pdiqj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
23 lines
728 B
C
23 lines
728 B
C
#ifndef _TOOLS_LINUX_COMPILER_H_
|
|
#error "Please don't include <linux/compiler-gcc.h> directly, include <linux/compiler.h> instead."
|
|
#endif
|
|
|
|
/*
|
|
* Common definitions for all gcc versions go here.
|
|
*/
|
|
#define GCC_VERSION (__GNUC__ * 10000 \
|
|
+ __GNUC_MINOR__ * 100 \
|
|
+ __GNUC_PATCHLEVEL__)
|
|
|
|
#if GCC_VERSION >= 70000 && !defined(__CHECKER__)
|
|
# define __fallthrough __attribute__ ((fallthrough))
|
|
#endif
|
|
|
|
#if GCC_VERSION >= 40300
|
|
# define __compiletime_error(message) __attribute__((error(message)))
|
|
#endif /* GCC_VERSION >= 40300 */
|
|
|
|
/* &a[0] degrades to a pointer: a different type from an array */
|
|
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
|
|
|
|
#define __noreturn __attribute__((noreturn))
|