Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _TOOLS_LINUX_COMPILER_H_
2#error "Please don't include <linux/compiler-gcc.h> directly, include <linux/compiler.h> instead."
3#endif
4
5/*
6 * Common definitions for all gcc versions go here.
7 */
8#define GCC_VERSION (__GNUC__ * 10000 \
9 + __GNUC_MINOR__ * 100 \
10 + __GNUC_PATCHLEVEL__)
11
12#if GCC_VERSION >= 70000 && !defined(__CHECKER__)
13# define __fallthrough __attribute__ ((fallthrough))
14#endif
15
16#if GCC_VERSION >= 40300
17# define __compiletime_error(message) __attribute__((error(message)))
18#endif /* GCC_VERSION >= 40300 */
19
20/* &a[0] degrades to a pointer: a different type from an array */
21#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
22
23#define noinline __attribute__((noinline))
24
25#define __packed __attribute__((packed))
26
27#define __noreturn __attribute__((noreturn))
28
29#define __aligned(x) __attribute__((aligned(x)))
30#define __printf(a, b) __attribute__((format(printf, a, b)))
31#define __scanf(a, b) __attribute__((format(scanf, a, b)))