diff options
| -rw-r--r-- | payloads/libpayload/include/compiler.h | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/payloads/libpayload/include/compiler.h b/payloads/libpayload/include/compiler.h index 0d56cbea4b..ee2ff88d10 100644 --- a/payloads/libpayload/include/compiler.h +++ b/payloads/libpayload/include/compiler.h @@ -1,29 +1,39 @@ -/* - * - * Copyright 2017 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef __COMPILER_H__ -#define __COMPILER_H__ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only */ +#ifndef _COMMONLIB_BSD_COMPILER_H_ +#define _COMMONLIB_BSD_COMPILER_H_ + +#ifndef __packed #if defined(__WIN32) || defined(__WIN64) #define __packed __attribute__((gcc_struct, packed)) #else #define __packed __attribute__((packed)) #endif +#endif +#ifndef __aligned #define __aligned(x) __attribute__((aligned(x))) +#endif + +#ifndef __always_unused #define __always_unused __attribute__((unused)) +#endif + +#ifndef __must_check #define __must_check __attribute__((warn_unused_result)) +#endif + +#ifndef __weak +#define __weak __attribute__((weak)) +#endif + +#ifndef __noreturn +#define __noreturn __attribute__((noreturn)) +#endif + +#ifndef __always_inline +#define __always_inline inline __attribute__((always_inline)) +#endif /* This evaluates to the type of the first expression, unless that is constant in which case it evalutates to the type of the second. This is useful when @@ -32,7 +42,7 @@ literals. By using this macro, the promotion can happen at the time the literal is assigned to the temporary variable. If the literal doesn't fit in the chosen type, -Werror=overflow will catch it, so this should be safe. */ -#define __TYPEOF_UNLESS_CONST(expr, fallback_expr) typeof( \ +#define __TYPEOF_UNLESS_CONST(expr, fallback_expr) __typeof__( \ __builtin_choose_expr(__builtin_constant_p(expr), fallback_expr, expr)) /* This creates a unique local variable name for use in macros. */ |