bsd/sys/make_symbol_aliasing.sh

   1 #! /bin/bash -
   2 #
   3 # Copyright (c) 2010 Apple Inc. All rights reserved.
   4 #
   5 # @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   6 #
   7 # This file contains Original Code and/or Modifications of Original Code
   8 # as defined in and that are subject to the Apple Public Source License
   9 # Version 2.0 (the 'License'). You may not use this file except in
  10 # compliance with the License. Please obtain a copy of the License at
  11 # http://www.opensource.apple.com/apsl/ and read it before using this
  12 # file.
  13 #
  14 # The Original Code and all software distributed under the License are
  15 # distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16 # EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17 # INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18 # FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  19 # Please see the License for the specific language governing rights and
  20 # limitations under the License.
  21 #
  22 # @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  23 #
  24
  25 function usage() {
  26     echo "Usage: $0 <sdk> <output>" 1>&2
  27     exit 1
  28 }
  29
  30 if [ $# -ne 2 ]; then
  31     usage
  32 fi
  33
  34 SDKROOT="$1"
  35 OUTPUT="$2"
  36
  37 if [ ! -x "${SDKROOT}/usr/local/libexec/availability.pl" ] ; then
  38     echo "Unable to locate ${SDKROOT}/usr/local/libexec/availability.pl (or not executable)" >&2
  39     exit 1
  40 fi
  41
  42 {
  43 cat <<EOF
  44 /* Copyright (c) 2010 Apple Inc. All rights reserved.
  45  *
  46  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  47  *
  48  * This file contains Original Code and/or Modifications of Original Code
  49  * as defined in and that are subject to the Apple Public Source License
  50  * Version 2.0 (the 'License'). You may not use this file except in
  51  * compliance with the License. The rights granted to you under the License
  52  * may not be used to create, or enable the creation or redistribution of,
  53  * unlawful or unlicensed copies of an Apple operating system, or to
  54  * circumvent, violate, or enable the circumvention or violation of, any
  55  * terms of an Apple operating system software license agreement.
  56  *
  57  * Please obtain a copy of the License at
  58  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  59  *
  60  * The Original Code and all software distributed under the License are
  61  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  62  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  63  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  64  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  65  * Please see the License for the specific language governing rights and
  66  * limitations under the License.
  67  *
  68  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  69  */
  70
  71 #ifndef _CDEFS_H_
  72 # error "Never use <sys/_symbol_aliasing.h> directly.  Use <sys/cdefs.h> instead."
  73 #endif
  74
  75 EOF
  76
  77 for ver in $(${SDKROOT}/usr/local/libexec/availability.pl --ios) ; do
  78     ver_major=${ver%.*}
  79     ver_minor=${ver#*.}
  80     value=$(printf "%d%02d00" ${ver_major} ${ver_minor})
  81     str=$(printf "__IPHONE_%d_%d" ${ver_major} ${ver_minor})
  82     echo "#if defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ >= ${value}"
  83     echo "#define __DARWIN_ALIAS_STARTING_IPHONE_${str}(x) x"
  84     echo "#else"
  85     echo "#define __DARWIN_ALIAS_STARTING_IPHONE_${str}(x)"
  86     echo "#endif"
  87     echo ""
  88 done
  89
  90 for ver in $(${SDKROOT}/usr/local/libexec/availability.pl --macosx) ; do
  91     set -- $(echo "$ver" | tr '.' ' ')
  92     ver_major=$1
  93     ver_minor=$2
  94     ver_rel=$3
  95     if [ -z "$ver_rel" ]; then
  96         ver_rel=0
  97     fi
  98     if [ "$ver_major" -lt 10 -o \( "$ver_major" -eq 10 -a "$ver_minor" -lt 10 \) ]; then
  99         value=$(printf "%d%d0" ${ver_major} ${ver_minor})
 100         str=$(printf "__MAC_%d_%d" ${ver_major} ${ver_minor})
 101     else
 102         value=$(printf "%d%02d%02d" ${ver_major} ${ver_minor} ${ver_rel})
 103         if [ "$ver_rel" -gt 0 ]; then
 104             str=$(printf "__MAC_%d_%d_%d" ${ver_major} ${ver_minor} ${ver_rel})
 105         else
 106             str=$(printf "__MAC_%d_%d" ${ver_major} ${ver_minor})
 107         fi
 108     fi
 109     echo "#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= ${value}"
 110     echo "#define __DARWIN_ALIAS_STARTING_MAC_${str}(x) x"
 111     echo "#else"
 112     echo "#define __DARWIN_ALIAS_STARTING_MAC_${str}(x)"
 113     echo "#endif"
 114     echo ""
 115 done
 116 } > "$OUTPUT"
 117