include/sys/cdefs.h

   1 /*
   2  * Copyright (c) 2006 - 2008 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /***********************************************************************
  25  * Not to be installed in /usr/include
  26  ***********************************************************************/
  27
  28 #ifndef _LIBC_SYS_CDEFS_H_
  29 #define _LIBC_SYS_CDEFS_H_
  30
  31 /*
  32  * Now include the real sys/cdefs.h.  The checks in libc-features.h will assure
  33  * that those macros are consistent with the current build environment.
  34  */
  35 #include_next <sys/cdefs.h>
  36 #ifndef _LIBC_NO_FEATURE_VERIFICATION
  37 #if defined(__arm__)
  38 #  include <arm/libc-features.h>
  39 #elif defined(__i386__)
  40 #  include <i386/libc-features.h>
  41 #elif defined(__ppc__)
  42 #  include <ppc/libc-features.h>
  43 #elif defined(__ppc64__)
  44 #  include <ppc64/libc-features.h>
  45 #elif defined(__x86_64__)
  46 #  include <x86_64/libc-features.h>
  47 #else
  48 #  error "Unknown architecture."
  49 #endif
  50 #endif /* _LIBC_NO_FEATURE_VERIFICATION */
  51
  52 /*
  53  * symbol suffixes used for symbol versioning
  54  */
  55 #if defined(VARIANT_LEGACY)
  56 #  define LIBC_SUF_UNIX03               /* nothing */
  57 #  define LIBC_SUF_64_BIT_INO_T         /* nothing */
  58 #  define LIBC_SUF_NON_CANCELABLE       /* nothing */
  59 #  define LIBC_SUF_1050                 /* nothing */
  60 #else /* !VARIANT_LEGACY */
  61 #  if __DARWIN_ONLY_UNIX_CONFORMANCE
  62 #    define LIBC_SUF_UNIX03             /* nothing */
  63 #  else /* !__DARWIN_ONLY_UNIX_CONFORMANCE */
  64 #    define LIBC_SUF_UNIX03             "$UNIX2003"
  65 #  endif /* __DARWIN_ONLY_UNIX_CONFORMANCE */
  66
  67 #  if defined(VARIANT_INODE32)
  68 #    define LIBC_SUF_64_BIT_INO_T       /* nothing */
  69 #  else /* !VARIANT_INODE32 */
  70 #    if __DARWIN_ONLY_64_BIT_INO_T
  71 #      define LIBC_SUF_64_BIT_INO_T     /* nothing */
  72 #    else /* !__DARWIN_ONLY_64_BIT_INO_T */
  73 #      define LIBC_SUF_64_BIT_INO_T     "$INODE64"
  74 #    endif /* __DARWIN_ONLY_64_BIT_INO_T */
  75 #  endif /* VARIANT_INODE32 */
  76
  77 #  if defined(VARIANT_CANCELABLE)
  78 #    define LIBC_SUF_NON_CANCELABLE     /* nothing */
  79 #  else /* !LIBC_NON_CANCELABLE */
  80 #    define LIBC_SUF_NON_CANCELABLE     "$NOCANCEL"
  81 #  endif /* LIBC_NON_CANCELABLE */
  82
  83 #  if defined(VARIANT_PRE1050)
  84 #    define LIBC_SUF_1050               /* nothing */
  85 #  else /* !VARIANT_PRE1050 */
  86 #    if __DARWIN_ONLY_VERS_1050
  87 #      define LIBC_SUF_1050             /* nothing */
  88 #    else /* !__DARWIN_ONLY_VERS_1050 */
  89 #      define LIBC_SUF_1050             "$1050"
  90 #    endif /* __DARWIN_ONLY_VERS_1050 */
  91 #  endif /* VARIANT_PRE1050 */
  92
  93 #endif /* LIBC_UNIX03 */
  94
  95 #define LIBC_SUF_EXTSN                  "$DARWIN_EXTSN"
  96
  97 /*
  98  * symbol versioning macros
  99  */
 100 #define LIBC_ALIAS(sym)         __asm("_" __STRING(sym) LIBC_SUF_UNIX03)
 101 #define LIBC_ALIAS_C(sym)       __asm("_" __STRING(sym) LIBC_SUF_NON_CANCELABLE LIBC_SUF_UNIX03)
 102 #define LIBC_ALIAS_I(sym)       __asm("_" __STRING(sym) LIBC_SUF_64_BIT_INO_T LIBC_SUF_UNIX03)
 103 #define LIBC_INODE64(sym)       __asm("_" __STRING(sym) LIBC_SUF_64_BIT_INO_T)
 104
 105 #define LIBC_1050(sym)          __asm("_" __STRING(sym) LIBC_SUF_1050)
 106 #define LIBC_1050ALIAS(sym)     __asm("_" __STRING(sym) LIBC_SUF_1050 LIBC_SUF_UNIX03)
 107 #define LIBC_1050ALIAS_C(sym)   __asm("_" __STRING(sym) LIBC_SUF_1050 LIBC_SUF_NON_CANCELABLE LIBC_SUF_UNIX03)
 108 #define LIBC_1050ALIAS_I(sym)   __asm("_" __STRING(sym) LIBC_SUF_1050 LIBC_SUF_64_BIT_INO_T LIBC_SUF_UNIX03)
 109 #define LIBC_1050INODE64(sym)   __asm("_" __STRING(sym) LIBC_SUF_1050 LIBC_SUF_64_BIT_INO_T)
 110
 111 #define LIBC_EXTSN(sym)         __asm("_" __STRING(sym) LIBC_SUF_EXTSN)
 112 #define LIBC_EXTSN_C(sym)       __asm("_" __STRING(sym) LIBC_SUF_EXTSN LIBC_SUF_NON_CANCELABLE)
 113
 114 extern int __pthread_tsd_first;
 115 extern int pthread_key_init_np(int, void (*)(void *));
 116
 117 #define __LIBC_PTHREAD_KEY(x)           (__pthread_tsd_first + (x))
 118
 119 /*
 120  * Libc pthread key assignments
 121  */
 122 #define __LIBC_PTHREAD_KEY_XLOCALE      __LIBC_PTHREAD_KEY(0)
 123 #define __LIBC_PTHREAD_KEY_TTYNAME      __LIBC_PTHREAD_KEY(1)
 124 #define __LIBC_PTHREAD_KEY_LOCALTIME    __LIBC_PTHREAD_KEY(2)
 125 #define __LIBC_PTHREAD_KEY_GMTIME       __LIBC_PTHREAD_KEY(3)
 126 #define __LIBC_PTHREAD_KEY_GDTOA_BIGINT __LIBC_PTHREAD_KEY(4)
 127 #define __LIBC_PTHREAD_KEY_PARSEFLOAT   __LIBC_PTHREAD_KEY(5)
 128
 129 #endif /* _LIBC_SYS_CDEFS_H_ */