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/* SPDX-License-Identifier: GPL-2.0 */
#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.
*/
#ifndef GCC_VERSION
#define GCC_VERSION (__GNUC__ * 10000 \
+ __GNUC_MINOR__ * 100 \
+ __GNUC_PATCHLEVEL__)
#endif
#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]))
#ifndef __pure
#define __pure __attribute__((pure))
#endif
#define noinline __attribute__((noinline))
#ifdef __has_attribute
#if __has_attribute(disable_tail_calls)
#define __no_tail_call __attribute__((disable_tail_calls))
#endif
#endif
#ifndef __no_tail_call
#if GCC_VERSION > 40201
#define __no_tail_call __attribute__((optimize("no-optimize-sibling-calls")))
#else
#define __no_tail_call
#endif
#endif
#ifndef __packed
#define __packed __attribute__((packed))
#endif
#ifndef __noreturn
#define __noreturn __attribute__((noreturn))
#endif
#ifndef __aligned
#define __aligned(x) __attribute__((aligned(x)))
#endif
#define __printf(a, b) __attribute__((format(printf, a, b)))
#define __scanf(a, b) __attribute__((format(scanf, a, b)))
#if GCC_VERSION >= 50100
#define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1
#endif
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