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편집 파일: acgcc.h

/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /****************************************************************************** * * Name: acgcc.h - GCC specific defines, etc. * * Copyright (C) 2000 - 2023, Intel Corp. * *****************************************************************************/ #ifndef __ACGCC_H__ #define __ACGCC_H__ #ifndef va_arg #ifdef __KERNEL__ #include <linux/stdarg.h> #else #include <stdarg.h> #endif /* __KERNEL__ */ #endif /* ! va_arg */ #define ACPI_INLINE __inline__ /* Function name is used for debug output. Non-ANSI, compiler-dependent */ #define ACPI_GET_FUNCTION_NAME __func__ /* * This macro is used to tag functions as "printf-like" because * some compilers (like GCC) can catch printf format string problems. */ #define ACPI_PRINTF_LIKE(c) __attribute__ ((__format__ (__printf__, c, c+1))) /* * Some compilers complain about unused variables. Sometimes we don't want to * use all the variables (for example, _acpi_module_name). This allows us * to tell the compiler warning in a per-variable manner that a variable * is unused. */ #define ACPI_UNUSED_VAR __attribute__ ((unused)) /* GCC supports __VA_ARGS__ in macros */ #define COMPILER_VA_MACRO 1 /* GCC supports native multiply/shift on 32-bit platforms */ #define ACPI_USE_NATIVE_MATH64 /* GCC did not support __has_attribute until 5.1. */ #ifndef __has_attribute #define __has_attribute(x) 0 #endif /* * Explicitly mark intentional explicit fallthrough to silence * -Wimplicit-fallthrough in GCC 7.1+. */ #if __has_attribute(__fallthrough__) #define ACPI_FALLTHROUGH __attribute__((__fallthrough__)) #endif /* * Flexible array members are not allowed to be part of a union under * C99, but this is not for any technical reason. Work around the * limitation. */ #define ACPI_FLEX_ARRAY(TYPE, NAME) \ struct { \ struct { } __Empty_ ## NAME; \ TYPE NAME[]; \ } #endif /* __ACGCC_H__ */