Extract breakpad symbol files for Linux official builds.

These are archived and submitted to the crash server by the official builder
(coming in a separate buildbot CL).

Review URL: http://codereview.chromium.org/126015


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@18286 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 31 insertions, 0 deletions

diff --git a/build/linux/dump_signature.py b/build/linux/dump_signature.py
new file mode 100755
index 0000000..779bf85
--- /dev/null
+++ b/build/linux/dump_signature.py
@@ -0,0 +1,31 @@
+#!/usr/bin/python2.4
+#
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# This generates symbol signatures with the same algorithm as
+# src/breakpad/linux/minidump_writer.cc@17081
+
+import sys
+
+if len(sys.argv) != 2:
+  sys.stderr.write("Error, no filename specified.\n")
+  sys.exit(1)
+
+bin = open(sys.argv[1])
+data = bin.read(4096)
+if len(data) != 4096:
+  sys.stderr.write("Error, did not read first page of data.\n");
+bin.close()
+
+signature = [0] * 16
+for i in range(0, 4096):
+  signature[i % 16] ^= ord(data[i])
+
+out = ''
+# Assume we're running on little endian
+for i in [3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11, 12, 13, 14, 15]:
+  out += '%02X' % signature[i]
+out += '0'
+sys.stdout.write(out)