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  1. /******************************************************************************
  2.  *
  3.  * Name: acgcc.h - GCC specific defines, etc.
  4.  *
  5.  *****************************************************************************/
  6.  
  7. /*
  8.  * Copyright (C) 2000 - 2015, 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. #define ACPI_INLINE             __inline__
  48.  
  49. /* Function name is used for debug output. Non-ANSI, compiler-dependent */
  50.  
  51. #define ACPI_GET_FUNCTION_NAME          __func__
  52.  
  53. /*
  54.  * This macro is used to tag functions as "printf-like" because
  55.  * some compilers (like GCC) can catch printf format string problems.
  56.  */
  57. #define ACPI_PRINTF_LIKE(c) __attribute__ ((__format__ (__printf__, c, c+1)))
  58.  
  59. /*
  60.  * Some compilers complain about unused variables. Sometimes we don't want to
  61.  * use all the variables (for example, _acpi_module_name). This allows us
  62.  * to tell the compiler warning in a per-variable manner that a variable
  63.  * is unused.
  64.  */
  65. #define ACPI_UNUSED_VAR __attribute__ ((unused))
  66.  
  67. /*
  68.  * Some versions of gcc implement strchr() with a buggy macro. So,
  69.  * undef it here. Prevents error messages of this form (usually from the
  70.  * file getopt.c):
  71.  *
  72.  * error: logical '&&' with non-zero constant will always evaluate as true
  73.  */
  74. #ifdef strchr
  75. #undef strchr
  76. #endif
  77.  
  78. /* GCC supports __VA_ARGS__ in macros */
  79.  
  80. #define COMPILER_VA_MACRO               1
  81.  
  82. #endif                          /* __ACGCC_H__ */
  83.