xlat: save the script used to generate xlat/sock_options.in

* xlat/sock_options.sh: New file from commit message of commit v4.23~199.

diff --git a/xlat/sock_options.sh b/xlat/sock_options.sh
new file mode 100755 (executable)
index 0000000..948a4fc
--- /dev/null
+++ b/xlat/sock_options.sh
@@ -0,0 +1,68 @@
+#!/bin/sh -eu
+#
+# Copyright (c) 2018 The strace developers.
+# All rights reserved.
+#
+# Generate fallback definitions of SO_* constants in xlat/sock_options.in file.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. The name of the author may not be used to endorse or promote products
+#    derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+linux="$1"; shift
+in="${0%.sh}.in"
+
+sed -n 's/^\(SO_[^[:space:]]*\).*/\1/p' < "$in" |
+uniq |
+while read name; do
+       sed -rn 's/#define[[:space:]]+('"$name"')[[:space:]]+([[:digit:]]+)$/\2\t\1/p' \
+               "$linux"/include/uapi/asm-generic/socket.h
+done |
+sort -n |
+while read def name; do
+       grep -EH '#define[[:space:]]+'"$name"'[[:space:]]+(0x[[:xdigit:]]+|[[:digit:]]+)' \
+               "$linux"/arch/*/include/uapi/asm/socket.h |
+       sed -rn 's|^[^#]*/arch/([^/]+)/include/uapi/asm/socket\.h:#define[[:space:]]+'"$name"'[[:space:]]+([^[:space:]]+)([[:space:]].*)?$|\1\t\2|p' |
+       sed s/parisc/hppa/ |sort |
+       awk -vname="$name" -vdef="$def" '
+{
+       i = strtonum($2)
+       if (i == def) next
+       if (a[i])
+               a[i] = a[i] " || defined __" $1 "__"
+       else
+               a[i] = "defined __" $1 "__"
+}
+END {
+       iftext = "#if"
+       for (i in a) {
+               printf("%s %s\n%s %u\n", iftext, a[i], name, i)
+               iftext = "#elif"
+       }
+       if (iftext != "#if")
+               print "#else"
+       printf("%s %s\n", name, def)
+       if (iftext != "#if")
+               print "#endif"
+       print ""
+}
+       '
+done