| /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ |
| /****************************************************************************** |
| * |
| * Name: acgcc.h - GCC specific defines, etc. |
| * |
| * Copyright (C) 2000 - 2019, Intel Corp. |
| * |
| *****************************************************************************/ |
| |
| #ifndef __ACGCC_H__ |
| #define __ACGCC_H__ |
| |
| /* |
| * Use compiler specific <stdarg.h> is a good practice for even when |
| * -nostdinc is specified (i.e., ACPI_USE_STANDARD_HEADERS undefined. |
| */ |
| #ifndef va_arg |
| #ifdef ACPI_USE_BUILTIN_STDARG |
| typedef __builtin_va_list va_list; |
| #define va_start(v, l) __builtin_va_start(v, l) |
| #define va_end(v) __builtin_va_end(v) |
| #define va_arg(v, l) __builtin_va_arg(v, l) |
| #define va_copy(d, s) __builtin_va_copy(d, s) |
| #else |
| #include <stdarg.h> |
| #endif |
| #endif |
| |
| #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 |
| |
| #endif /* __ACGCC_H__ */ |