include/acpi/platform/acgcc.h

   1 /******************************************************************************
   2  *
   3  * Name: acgcc.h - GCC specific defines, etc.
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2016, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #ifndef __ACGCC_H__
  45 #define __ACGCC_H__
  46
  47 /*
  48  * Use compiler specific <stdarg.h> is a good practice for even when
  49  * -nostdinc is specified (i.e., ACPI_USE_STANDARD_HEADERS undefined.
  50  */
  51 #include <stdarg.h>
  52
  53 #define ACPI_INLINE             __inline__
  54
  55 /* Function name is used for debug output. Non-ANSI, compiler-dependent */
  56
  57 #define ACPI_GET_FUNCTION_NAME          __func__
  58
  59 /*
  60  * This macro is used to tag functions as "printf-like" because
  61  * some compilers (like GCC) can catch printf format string problems.
  62  */
  63 #define ACPI_PRINTF_LIKE(c) __attribute__ ((__format__ (__printf__, c, c+1)))
  64
  65 /*
  66  * Some compilers complain about unused variables. Sometimes we don't want to
  67  * use all the variables (for example, _acpi_module_name). This allows us
  68  * to tell the compiler warning in a per-variable manner that a variable
  69  * is unused.
  70  */
  71 #define ACPI_UNUSED_VAR __attribute__ ((unused))
  72
  73 /* GCC supports __VA_ARGS__ in macros */
  74
  75 #define COMPILER_VA_MACRO               1
  76
  77 #endif                          /* __ACGCC_H__ */