b4984de18a
NOTRY=true Bug: v8:10249 Change-Id: I349d877688c6ea86db9974f28c32b02014b58ba2 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2154791 Reviewed-by: Georg Neis <neis@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#67229}
148 lines
3.8 KiB
Python
148 lines
3.8 KiB
Python
# Copyright 2016 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Fork from commands.py and output.py in v8 test driver.
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import os
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import signal
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import subprocess
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import sys
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from threading import Event, Timer
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import v8_fuzz_config
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PYTHON3 = sys.version_info >= (3, 0)
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# List of default flags passed to each d8 run.
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DEFAULT_FLAGS = [
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'--correctness-fuzzer-suppressions',
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'--expose-gc',
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'--fuzzing',
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'--allow-natives-for-differential-fuzzing',
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'--invoke-weak-callbacks',
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'--omit-quit',
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'--es-staging',
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'--wasm-staging',
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'--no-wasm-async-compilation',
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'--suppress-asm-messages',
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]
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BASE_PATH = os.path.dirname(os.path.abspath(__file__))
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# List of files passed to each d8 run before the testcase.
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DEFAULT_MOCK = os.path.join(BASE_PATH, 'v8_mock.js')
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# Suppressions on JavaScript level for known issues.
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JS_SUPPRESSIONS = os.path.join(BASE_PATH, 'v8_suppressions.js')
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# Config-specific mock files.
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ARCH_MOCKS = os.path.join(BASE_PATH, 'v8_mock_archs.js')
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WEBASSEMBLY_MOCKS = os.path.join(BASE_PATH, 'v8_mock_webassembly.js')
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# Timeout in seconds for one d8 run.
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TIMEOUT = 3
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def _startup_files(options):
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"""Default files and optional config-specific mock files."""
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files = [DEFAULT_MOCK]
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if not options.skip_suppressions:
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files.append(JS_SUPPRESSIONS)
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if options.first.arch != options.second.arch:
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files.append(ARCH_MOCKS)
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# Mock out WebAssembly when comparing with jitless mode.
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if '--jitless' in options.first.flags + options.second.flags:
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files.append(WEBASSEMBLY_MOCKS)
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return files
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class Command(object):
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"""Represents a configuration for running V8 multiple times with certain
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flags and files.
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"""
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def __init__(self, options, label, executable, config_flags):
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self.label = label
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self.executable = executable
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self.config_flags = config_flags
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self.common_flags = DEFAULT_FLAGS[:]
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self.common_flags.extend(['--random-seed', str(options.random_seed)])
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self.files = _startup_files(options)
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def run(self, testcase, verbose=False):
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"""Run the executable with a specific testcase."""
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args = [self.executable] + self.flags + self.files + [testcase]
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if verbose:
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print('# Command line for %s comparison:' % self.label)
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print(' '.join(args))
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if self.executable.endswith('.py'):
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# Wrap with python in tests.
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args = [sys.executable] + args
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return Execute(
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args,
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cwd=os.path.dirname(os.path.abspath(testcase)),
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timeout=TIMEOUT,
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)
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@property
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def flags(self):
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return self.common_flags + self.config_flags
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class Output(object):
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def __init__(self, exit_code, timed_out, stdout, pid):
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self.exit_code = exit_code
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self.timed_out = timed_out
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self.stdout = stdout
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self.pid = pid
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def HasCrashed(self):
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# Timed out tests will have exit_code -signal.SIGTERM.
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if self.timed_out:
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return False
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return (self.exit_code < 0 and
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self.exit_code != -signal.SIGABRT)
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def HasTimedOut(self):
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return self.timed_out
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def Execute(args, cwd, timeout=None):
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popen_args = [c for c in args if c != ""]
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kwargs = {}
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if PYTHON3:
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kwargs['encoding'] = 'utf-8'
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try:
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process = subprocess.Popen(
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args=popen_args,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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cwd=cwd,
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**kwargs
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)
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except Exception as e:
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sys.stderr.write("Error executing: %s\n" % popen_args)
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raise e
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timeout_event = Event()
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def kill_process():
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timeout_event.set()
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try:
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process.kill()
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except OSError:
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sys.stderr.write('Error: Process %s already ended.\n' % process.pid)
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timer = Timer(timeout, kill_process)
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timer.start()
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stdout, _ = process.communicate()
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timer.cancel()
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return Output(
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process.returncode,
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timeout_event.is_set(),
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stdout,
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process.pid,
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)
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