Upgrade to upstream tip of tree strace.

Change-Id: I56ccbfbb64885c61f160145f181e42dab78adefb
diff --git a/syscallent.sh b/syscallent.sh
new file mode 100755
index 0000000..16dd77f
--- /dev/null
+++ b/syscallent.sh
@@ -0,0 +1,73 @@
+#!/bin/sh
+# Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
+# 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.
+# 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.
+
+cat ${1+"$@"} |
+	sed -n 's/^#[ 	]*define[ 	][ 	]*SYS_\([^ 	]*\)[ 	]*[^0-9]*\([0-9]*\).*$/\1 \2/p
+s/^#[ 	]*define[ 	][ 	]*__NR_\([^ 	]*\)[ 	]*[^0-9]*\([0-9]*\).*$/\1 \2/p
+s/^#[ ]*define[ ][ ]*__NR_\([^ ]*\)[ ]*[^0-9()]*(__NR_Linux + \([0-9]*\))$/\1 \2/p' |
+	sort -k2n | uniq |
+	awk '
+	BEGIN {
+		tabs = "\t\t\t\t\t\t\t\t"
+		call = -1;
+	}
+	{
+		while (++call < $2) {
+			f = "printargs"
+			n = "SYS_" call
+			s = "\t{ MA,\t0,\t"
+			s = s f ","
+			s = s substr(tabs, 1, 24/8 - int((length(f) + 1)/8))
+			s = s "\"" n "\""
+			s = s substr(tabs, 1, 16/8 - int((length(n) + 2)/8))
+			s = s "}, /* " call " */"
+			print s
+		}
+		f = "sys_" $1
+		n = $1
+		s = "\t{ MA,\t0,\t"
+		s = s f ","
+		s = s substr(tabs, 1, 24/8 - int((length(f) + 1)/8))
+		s = s "\"" n "\""
+		s = s substr(tabs, 1, 16/8 - int((length(n) + 2)/8))
+		s = s "}, /* " call " */"
+		print s
+	}
+	END {
+		limit = call + 100
+		while (++call < limit) {
+			f = "printargs"
+			n = "SYS_" call
+			s = "\t{ MA,\t0,\t"
+			s = s f ","
+			s = s substr(tabs, 1, 24/8 - int((length(f) + 1)/8))
+			s = s "\"" n "\""
+			s = s substr(tabs, 1, 16/8 - int((length(n) + 2)/8))
+			s = s "}, /* " call " */"
+			print s
+		}
+	}
+	'