1*4882a593Smuzhiyun /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ 2*4882a593Smuzhiyun /****************************************************************************** 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Name: acgcc.h - GCC specific defines, etc. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Copyright (C) 2000 - 2020, Intel Corp. 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun *****************************************************************************/ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef __ACGCC_H__ 11*4882a593Smuzhiyun #define __ACGCC_H__ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun /* 14*4882a593Smuzhiyun * Use compiler specific <stdarg.h> is a good practice for even when 15*4882a593Smuzhiyun * -nostdinc is specified (i.e., ACPI_USE_STANDARD_HEADERS undefined. 16*4882a593Smuzhiyun */ 17*4882a593Smuzhiyun #ifndef va_arg 18*4882a593Smuzhiyun #ifdef ACPI_USE_BUILTIN_STDARG 19*4882a593Smuzhiyun typedef __builtin_va_list va_list; 20*4882a593Smuzhiyun #define va_start(v, l) __builtin_va_start(v, l) 21*4882a593Smuzhiyun #define va_end(v) __builtin_va_end(v) 22*4882a593Smuzhiyun #define va_arg(v, l) __builtin_va_arg(v, l) 23*4882a593Smuzhiyun #define va_copy(d, s) __builtin_va_copy(d, s) 24*4882a593Smuzhiyun #else 25*4882a593Smuzhiyun #include <stdarg.h> 26*4882a593Smuzhiyun #endif 27*4882a593Smuzhiyun #endif 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #define ACPI_INLINE __inline__ 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun /* Function name is used for debug output. Non-ANSI, compiler-dependent */ 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #define ACPI_GET_FUNCTION_NAME __func__ 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun /* 36*4882a593Smuzhiyun * This macro is used to tag functions as "printf-like" because 37*4882a593Smuzhiyun * some compilers (like GCC) can catch printf format string problems. 38*4882a593Smuzhiyun */ 39*4882a593Smuzhiyun #define ACPI_PRINTF_LIKE(c) __attribute__ ((__format__ (__printf__, c, c+1))) 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* 42*4882a593Smuzhiyun * Some compilers complain about unused variables. Sometimes we don't want to 43*4882a593Smuzhiyun * use all the variables (for example, _acpi_module_name). This allows us 44*4882a593Smuzhiyun * to tell the compiler warning in a per-variable manner that a variable 45*4882a593Smuzhiyun * is unused. 46*4882a593Smuzhiyun */ 47*4882a593Smuzhiyun #define ACPI_UNUSED_VAR __attribute__ ((unused)) 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun /* GCC supports __VA_ARGS__ in macros */ 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #define COMPILER_VA_MACRO 1 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun /* GCC supports native multiply/shift on 32-bit platforms */ 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun #define ACPI_USE_NATIVE_MATH64 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #endif /* __ACGCC_H__ */ 58