| /****************************************************************************** |
| * |
| * Name: acgcc.h - GCC specific defines, etc. |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2017, Intel Corp. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions, and the following disclaimer, |
| * without modification. |
| * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| * substantially similar to the "NO WARRANTY" disclaimer below |
| * ("Disclaimer") and any redistribution must be conditioned upon |
| * including a substantially similar Disclaimer requirement for further |
| * binary redistribution. |
| * 3. Neither the names of the above-listed copyright holders nor the names |
| * of any contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| * |
| * NO WARRANTY |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGES. |
| */ |
| |
| #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__ */ |
