| Jorge Lucangeli Obes | e84e154 | 2014-12-08 17:53:09 -0800 | [diff] [blame] | 1 | # Copyright 2015 The Chromium OS Authors. All rights reserved. |
| 2 | # Use of this source code is governed by a BSD-style license that can be |
| 3 | # found in the LICENSE file. |
| 4 | |
| 5 | import logging |
| 6 | |
| 7 | from autotest_lib.client.bin import utils |
| 8 | |
| 9 | |
| 10 | _ASAN_SYMBOL = "__asan_init" |
| 11 | |
| 12 | |
| 13 | def running_on_asan(binary="debugd"): |
| 14 | """Returns whether we're running on ASan. |
| 15 | |
| 16 | @param binary: file to test for ASan symbols. |
| 17 | """ |
| 18 | # -q, --quiet * Only output 'bad' things |
| 19 | # -F, --format <arg> * Use specified format for output |
| 20 | # -g, --gmatch * Use regex rather than string compare (with -s) |
| 21 | # -s, --symbol <arg> * Find a specified symbol |
| 22 | scanelf_command = "scanelf -qF'%s#F'" |
| 23 | scanelf_command += " -gs %s `which %s`" % (_ASAN_SYMBOL, binary) |
| 24 | symbol = utils.system_output(scanelf_command) |
| 25 | logging.debug("running_on_asan(): symbol: '%s', _ASAN_SYMBOL: '%s'", |
| 26 | symbol, _ASAN_SYMBOL) |
| 27 | return symbol != "" |