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="$2"
  36
  37 AVAILABILITY_PL="${SDKROOT}/${DRIVERKITROOT}/usr/local/libexec/availability.pl"
  38
  39 if [ ! -x "${AVAILABILITY_PL}" ] ; then
  40     echo "Unable to locate ${AVAILABILITY_PL} (or not executable)" >&2
  41     exit 1
  42 fi
  43
  44 {
  45 cat <<EOF
  46 /* Copyright (c) 2010 Apple Inc. All rights reserved.
  47  *
  48  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  49  *
  50  * This file contains Original Code and/or Modifications of Original Code
  51  * as defined in and that are subject to the Apple Public Source License
  52  * Version 2.0 (the 'License'). You may not use this file except in
  53  * compliance with the License. The rights granted to you under the License
  54  * may not be used to create, or enable the creation or redistribution of,
  55  * unlawful or unlicensed copies of an Apple operating system, or to
  56  * circumvent, violate, or enable the circumvention or violation of, any
  57  * terms of an Apple operating system software license agreement.
  58  *
  59  * Please obtain a copy of the License at
  60  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  61  *
  62  * The Original Code and all software distributed under the License are
  63  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  64  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  65  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  66  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  67  * Please see the License for the specific language governing rights and
  68  * limitations under the License.
  69  *
  70  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  71  */
  72
  73 #ifndef _CDEFS_H_
  74 # error "Never use <sys/_symbol_aliasing.h> directly.  Use <sys/cdefs.h> instead."
  75 #endif
  76
  77 EOF
  78
  79 for ver in $(${AVAILABILITY_PL} --ios) ; do
  80     set -- $(echo "$ver" | tr '.' ' ')
  81     ver_major=$1
  82     ver_minor=$2
  83     ver_rel=$3
  84     if [ -z "$ver_rel" ]; then
  85             # don't produce these defines for releases with tertiary release numbers
  86         value=$(printf "%d%02d00" ${ver_major} ${ver_minor})
  87         str=$(printf "__IPHONE_%d_%d" ${ver_major} ${ver_minor})
  88         echo "#if defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ >= ${value}"
  89         echo "#define __DARWIN_ALIAS_STARTING_IPHONE_${str}(x) x"
  90         echo "#else"
  91         echo "#define __DARWIN_ALIAS_STARTING_IPHONE_${str}(x)"
  92         echo "#endif"
  93         echo ""
  94     fi
  95 done
  96
  97 for ver in $(${AVAILABILITY_PL} --macosx) ; do
  98     set -- $(echo "$ver" | tr '.' ' ')
  99     ver_major=$1
 100     ver_minor=$2
 101     ver_rel=$3
 102     if [ -z "$ver_rel" ]; then
 103         ver_rel=0
 104     fi
 105     if [ "$ver_major" -lt 10 -o \( "$ver_major" -eq 10 -a "$ver_minor" -lt 10 \) ]; then
 106         value=$(printf "%d%d0" ${ver_major} ${ver_minor})
 107         str=$(printf "__MAC_%d_%d" ${ver_major} ${ver_minor})
 108     else
 109         value=$(printf "%d%02d%02d" ${ver_major} ${ver_minor} ${ver_rel})
 110         if [ "$ver_rel" -gt 0 ]; then
 111             str=$(printf "__MAC_%d_%d_%d" ${ver_major} ${ver_minor} ${ver_rel})
 112         else
 113             str=$(printf "__MAC_%d_%d" ${ver_major} ${ver_minor})
 114         fi
 115     fi
 116     echo "#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= ${value}"
 117     echo "#define __DARWIN_ALIAS_STARTING_MAC_${str}(x) x"
 118     echo "#else"
 119     echo "#define __DARWIN_ALIAS_STARTING_MAC_${str}(x)"
 120     echo "#endif"
 121     echo ""
 122 done
 123 } > "$OUTPUT"
 124