include/_.libc_internal.h

   1 /*
   2  * Copyright (c) 2006, 2007 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_INTERNAL_H_
  29 #define __LIBC_INTERNAL_H_
  30
  31 #define LIBC_STRING(str)        #str
  32
  33 #if defined(VARIANT_LEGACY)
  34 #  define LIBC_ALIAS(sym)       /* nothing */
  35 #  define LIBC_ALIAS_C(sym)     /* nothing */
  36 #  define LIBC_ALIAS_I(sym)     /* nothing */
  37 #  define LIBC_INODE64(sym)     /* nothing */
  38 #  define LIBC_1050(sym)        /* nothing */
  39 #else /* !VARIANT_LEGACY */
  40 #  if defined(__LP64__)
  41 #    define LIBC_ALIAS(sym)     /* nothing */
  42 #    if defined(VARIANT_CANCELABLE)
  43 #      define LIBC_ALIAS_C(sym) /* nothing */
  44 #    else /* !VARIANT_CANCELABLE */
  45 #      define LIBC_ALIAS_C(sym) _asm("_" LIBC_STRING(sym) "$NOCANCEL")
  46 #    endif /* VARIANT_CANCELABLE */
  47 #    if defined(VARIANT_INODE32)
  48 #      define LIBC_ALIAS_I(sym) /* nothing */
  49 #    else /* !VARIANT_INODE32 */
  50 #      define LIBC_ALIAS_I(sym) _asm("_" LIBC_STRING(sym) "$INODE64")
  51 #    endif /* VARIANT_INODE32 */
  52 #  else /* !__LP64__ */
  53 #    define LIBC_ALIAS(sym)     _asm("_" LIBC_STRING(sym) "$UNIX2003")
  54 #    if defined(VARIANT_CANCELABLE)
  55 #      define LIBC_ALIAS_C(sym) _asm("_" LIBC_STRING(sym) "$UNIX2003")
  56 #    else /* !VARIANT_CANCELABLE */
  57 #      define LIBC_ALIAS_C(sym) _asm("_" LIBC_STRING(sym) "$NOCANCEL$UNIX2003")
  58 #    endif /* VARIANT_CANCELABLE */
  59 #    if defined(VARIANT_INODE32)
  60 #      define LIBC_ALIAS_I(sym) _asm("_" LIBC_STRING(sym) "$UNIX2003")
  61 #    else /* !VARIANT_INODE32 */
  62 #      define LIBC_ALIAS_I(sym) _asm("_" LIBC_STRING(sym) "$INODE64$UNIX2003")
  63 #    endif /* VARIANT_INODE32 */
  64 #  endif /* __LP64__ */
  65 #  if defined(VARIANT_INODE32)
  66 #    define LIBC_INODE64(sym)   /* nothing */
  67 #  else /* !VARIANT_INODE32 */
  68 #    define LIBC_INODE64(sym)   _asm("_" LIBC_STRING(sym) "$INODE64")
  69 #  endif /* VARIANT_INODE32 */
  70 #  if defined(VARIANT_PRE1050)
  71 #    define LIBC_1050(sym)      /* nothing */
  72 #  else /* !VARIANT_PRE1050 */
  73 #    define LIBC_1050(sym)      _asm("_" LIBC_STRING(sym) "$1050")
  74 #  endif /* VARIANT_PRE1050 */
  75 #endif /* VARIANT_LEGACY */
  76
  77 #define LIBC_EXTSN(sym)         _asm("_" LIBC_STRING(sym) "$DARWIN_EXTSN")
  78 #if defined(VARIANT_CANCELABLE)
  79 #  define LIBC_EXTSN_C(sym)     _asm("_" LIBC_STRING(sym) "$DARWIN_EXTSN")
  80 #else /* !VARIANT_CANCELABLE */
  81 #  define LIBC_EXTSN_C(sym)     _asm("_" LIBC_STRING(sym) "$DARWIN_EXTSN$NOCANCEL")
  82 #endif /* !VARIANT_CANCELABLE */
  83
  84 /* 5243343 - define PR_5243343 temporarily */
  85 #define PR_5243343
  86
  87 #endif /* __LIBC_INTERNAL_H_ */