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#!/usr/bin/env python
# @file generate_breakpad_symbols.py
# @author Brad Kittenbrink <brad@lindenlab.com>
# @brief Simple tool for generating google_breakpad symbol information
# for the crash reporter.
#
# $LicenseInfo:firstyear=2010&license=viewergpl$
#
# Copyright (c) 2010-2010, Linden Research, Inc.
#
# Second Life Viewer Source Code
# The source code in this file ("Source Code") is provided by Linden Lab
# to you under the terms of the GNU General Public License, version 2.0
# ("GPL"), unless you have obtained a separate licensing agreement
# ("Other License"), formally executed by you and Linden Lab. Terms of
# the GPL can be found in doc/GPL-license.txt in this distribution, or
# online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
#
# There are special exceptions to the terms and conditions of the GPL as
# it is applied to this Source Code. View the full text of the exception
# in the file doc/FLOSS-exception.txt in this software distribution, or
# online at
# http://secondlifegrid.net/programs/open_source/licensing/flossexception
#
# By copying, modifying or distributing this software, you acknowledge
# that you have read and understood your obligations described above,
# and agree to abide by those obligations.
#
# ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
# WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
# COMPLETENESS OR PERFORMANCE.
# $/LicenseInfo$
import collections
import fnmatch
import itertools
import operator
import os
import sys
import shlex
import subprocess
import tarfile
import StringIO
def usage():
print >>sys.stderr, "usage: %s viewer_dir viewer_exes libs_suffix dump_syms_tool viewer_symbol_file" % sys.argv[0]
class MissingModuleError(Exception):
def __init__(self, modules):
Exception.__init__(self, "Failed to find required modules: %r" % modules)
self.modules = modules
def main(viewer_dir, viewer_exes, libs_suffix, dump_syms_tool, viewer_symbol_file):
print "generate_breakpad_symbols run with args: %s" % str((viewer_dir, viewer_exes, libs_suffix, dump_syms_tool, viewer_symbol_file))
# split up list of viewer_exes
# "'Second Life' SLPlugin" becomes ['Second Life', 'SLPlugin']
viewer_exes = shlex.split(viewer_exes)
found_required = dict([(module, False) for module in viewer_exes])
def matches(f):
if f in viewer_exes:
found_required[f] = True
return True
return fnmatch.fnmatch(f, libs_suffix)
def list_files():
for (dirname, subdirs, filenames) in os.walk(viewer_dir):
#print "scanning '%s' for modules..." % dirname
for f in itertools.ifilter(matches, filenames):
yield os.path.join(dirname, f)
def dump_module(m):
print "dumping module '%s' with '%s'..." % (m, dump_syms_tool)
child = subprocess.Popen([dump_syms_tool, m] , stdout=subprocess.PIPE)
out, err = child.communicate()
return (m,child.returncode, out, err)
out = tarfile.open(viewer_symbol_file, 'w:bz2')
for (filename,status,symbols,err) in itertools.imap(dump_module, list_files()):
if status == 0:
module_line = symbols[:symbols.index('\n')]
module_line = module_line.split()
hash_id = module_line[3]
module = ' '.join(module_line[4:])
if sys.platform in ['win32', 'cygwin']:
mod_name = module[:module.rindex('.pdb')]
else:
mod_name = module
symbolfile = StringIO.StringIO(symbols)
info = tarfile.TarInfo("%(module)s/%(hash_id)s/%(mod_name)s.sym" % dict(module=module, hash_id=hash_id, mod_name=mod_name))
info.size = symbolfile.len
out.addfile(info, symbolfile)
else:
print >>sys.stderr, "warning: failed to dump symbols for '%s': %s" % (filename, err)
out.close()
missing_modules = [m for (m,_) in
itertools.ifilter(lambda (k,v): not v, found_required.iteritems())
]
if missing_modules:
print >> sys.stderr, "failed to generate %s" % viewer_symbol_file
os.remove(viewer_symbol_file)
raise MissingModuleError(missing_modules)
symbols = tarfile.open(viewer_symbol_file, 'r:bz2')
tarfile_members = symbols.getnames()
def match_module_basename(m):
return os.path.splitext(required_module)[0] == os.path.splitext(os.path.basename(m))[0]
for required_module in viewer_exes:
# there must be at least one .sym file in tarfile_members that matches each required module (ignoring file extensions)
if not reduce(operator.or_, itertools.imap(match_module_basename, tarfile_members)):
print >> sys.stderr, "failed to find required %s in generated %s" % (required_module, viewer_symbol_file)
os.remove(viewer_symbol_file)
raise MissingModuleError([required_module])
print "successfully generated %s including required modules '%s'" % (viewer_symbol_file, viewer_exes)
return 0
if __name__ == "__main__":
if len(sys.argv) != 6:
usage()
sys.exit(1)
sys.exit(main(*sys.argv[1:]))
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