debuggers: import openocd-0.7.0

Initial check-in of openocd-0.7.0 as it can be downloaded from
http://sourceforge.net/projects/openocd/files/openocd/0.7.0/

Any modifications will follow.

Change-Id: I6949beaefd589e046395ea0cb80f4e1ab1654d55

debuggers/openocd/tools/logger.pl

@@ -0,0 +1,40 @@
+#!/usr/bin/perl
+# logger.pl: masks long meaningless output with pretty lines of dots
+#  Details: 1) reads lines from STDIN and echos them on STDOUT,
+#           2) print a '.' to STDERR every $N lines.
+#           3) print a newline after a sequence of $C dots
+
+use strict;
+use warnings;
+
+# make sure all output gets displayed immediately
+$| = 1;
+
+# TODO: add -n and -c options w/ zero checks)
+# line and column limits
+my $N = 10;
+my $C = 72;
+
+# current line and column counters
+my $n = 0;
+my $c = 0;
+
+# read all lines from STDIN
+while (<STDIN>)
+{
+	# echo line to output
+	print STDOUT $_;
+	# echo line to console if it is important
+	if (/(Warning|Error)/) {
+		print STDERR "\n" if $c;
+		print STDERR $_;
+		$c = 0;
+	}
+	# only display progress every Nth step
+	next if ++$n % $N;
+	print STDERR ".";
+	# wrap at column C to provide fixed-width rows of dots
+	print STDERR "\n" unless ++$c % $C;
+}
+
+print STDERR "\n" if $c;