skia2/infra/bots/flavor/xsan_flavor.py

55 lines
2.2 KiB
Python

#!/usr/bin/env python
#
# Copyright 2016 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Utils for running under *SAN"""
import default_flavor
import os
class XSanFlavorUtils(default_flavor.DefaultFlavorUtils):
def __init__(self, *args, **kwargs):
super(XSanFlavorUtils, self).__init__(*args, **kwargs)
self._sanitizer = {
# We'd love to just pass 'address,undefined' and get all the checks, but
# we're not anywhere close to being able to do that. Instead we start
# with a set of checks that we know pass or nearly pass. See here for
# more information:
# http://clang.llvm.org/docs/UsersManual.html#controlling-code-generation
'ASAN': ('address,bool,function,integer-divide-by-zero,nonnull-attribute,'
'null,object-size,return,returns-nonnull-attribute,shift,'
'signed-integer-overflow,unreachable,vla-bound,vptr'),
# MSAN and TSAN can't run together with ASAN, so they're their own bots.
'MSAN': 'memory',
'TSAN': 'thread',
}[self._bot_info.bot_cfg['extra_config']]
def compile(self, target):
cmd = [os.path.join(self._bot_info.skia_dir, 'tools', 'xsan_build'),
self._sanitizer, target]
self._bot_info.run(cmd)
def step(self, cmd, env=None, **kwargs):
"""Wrapper for the Step API; runs a step as appropriate for this flavor."""
lsan_suppressions = self._bot_info.skia_dir.join('tools', 'lsan.supp')
tsan_suppressions = self._bot_info.skia_dir.join('tools', 'tsan.supp')
ubsan_suppressions = self._bot_info.skia_dir.join('tools', 'ubsan.supp')
env = dict(env or {})
env['ASAN_OPTIONS'] = 'symbolize=1 detect_leaks=1'
env['LSAN_OPTIONS'] = ('symbolize=1 print_suppressions=1 suppressions=%s' %
lsan_suppressions)
env['TSAN_OPTIONS'] = 'suppressions=%s' % tsan_suppressions
env['UBSAN_OPTIONS'] = 'suppressions=%s' % ubsan_suppressions
path_to_app = os.path.join(self._bot_info.out_dir,
self._bot_info.configuration, cmd[0])
new_cmd = [path_to_app]
new_cmd.extend(cmd[1:])
return self._bot_info.run(new_cmd, env=env, **kwargs)