1 files changed, 113 insertions, 0 deletions
diff --git a/lib/libsysdecode/mklinuxtables b/lib/libsysdecode/mklinuxtables
new file mode 100644
index 000000000000..abcdeb9440b6
--- /dev/null
+++ b/lib/libsysdecode/mklinuxtables
@@ -0,0 +1,113 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved.
+#
+# 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.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+#
+#
+# Generates tables_linux.h
+#
+
+set -e
+
+LC_ALL=C; export LC_ALL
+
+if [ -z "$1" ]
+then
+	echo "usage: sh $0 include-dir [output-file]"
+	exit 1
+fi
+include_dir=$1
+if [ -n "$2" ]; then
+	output_file="$2"
+	output_tmp=$(mktemp -u)
+	exec > "$output_tmp"
+fi
+
+all_headers=
+#
+# Generate a table C #definitions.  The including file can define the
+# TABLE_NAME(n), TABLE_ENTRY(x), and TABLE_END macros to define what
+# the tables map to.
+#
+gen_table()
+{
+	local name grep file excl filter
+	name=$1
+	grep=$2
+	file=$3
+	excl=$4
+
+	if [ -z "$excl" ]; then
+		filter="cat"
+	else
+		filter="egrep -v"
+	fi
+	cat <<_EOF_
+TABLE_START(${name})
+_EOF_
+	if [ -e "${include_dir}/${file}" ]; then
+		all_headers="${all_headers:+${all_headers} }${file}"
+		egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \
+			$include_dir/$file | ${filter} ${excl} | \
+		awk '{ for (i = 1; i <= NF; i++) \
+			if ($i ~ /define/) \
+				break; \
+			++i; \
+			sub(/LINUX_/, "", $i); \
+			printf "TABLE_ENTRY(LINUX_%s, %s)\n", $i, $i }'
+	fi
+cat <<_EOF_
+TABLE_END
+
+_EOF_
+}
+
+cat <<_EOF_
+/* This file is auto-generated. */
+
+_EOF_
+
+gen_table "atflags"     "LINUX_AT_[A-Z_]+[[:space:]]+[0-9]+"             "compat/linux/linux_file.h"
+gen_table "clockids"    "LINUX_CLOCK_[A-Z_]+[[:space:]]+[0-9]+"          "compat/linux/linux_time.h"
+gen_table "clockflags"  "LINUX_TIMER_[A-Z_]+[[:space:]]+0x[0-9]+"        "compat/linux/linux_time.h"
+gen_table "clockcpuids" "LINUX_CPUCLOCK_[A-Z_]+[[:space:]]+[0-9]+"       "compat/linux/linux_time.h"	"_MASK|_MAX"
+gen_table "openflags"   "LINUX_O_[A-Z_]+[[:space:]]+[0-9]+"              "compat/linux/linux_file.h"	"O_RDONLY|O_RDWR|O_WRONLY|O_ACCMODE"
+gen_table "sigprocmaskhow" "LINUX_SIG_[A-Z]+[[:space:]]+[0-9]+"          "compat/linux/linux.h"
+gen_table "cloneflags"  "LINUX_CLONE_[A-Z_]+[[:space:]]+[[:alnum:]]+"    "compat/linux/linux_fork.h"	"LINUX_CLONE_LEGACY_FLAGS|LINUX_CLONE_CLEAR_SIGHAND|LINUX_CLONE_INTO_CGROUP|LINUX_CLONE_NEWTIME"
+
+# Generate a .depend file for our output file
+if [ -n "$output_file" ]; then
+	depend_tmp=$(mktemp -u)
+	{
+		echo "$output_file: \\"
+		echo "$all_headers" | tr ' ' '\n' | sort -u |
+		    sed -e "s,^,	$include_dir/," -e 's,$, \\,'
+		echo
+	} > "$depend_tmp"
+	if cmp -s "$output_tmp" "$output_file"; then
+		rm -f "$output_tmp" "$depend_tmp"
+	else
+		mv -f "$depend_tmp" ".depend.${output_file}"
+		mv -f "$output_tmp" "$output_file"
+	fi
+fi