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# Copyright 2012 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# for py2/py3 compatibility
from __future__ import print_function
from os.path import exists
from os.path import isdir
from os.path import join
import os
import platform
import re
import urllib
### Exit codes and their meaning.
# Normal execution.
EXIT_CODE_PASS = 0
# Execution with test failures.
EXIT_CODE_FAILURES = 1
# Execution with no tests executed.
EXIT_CODE_NO_TESTS = 2
# Execution aborted with SIGINT (Ctrl-C).
EXIT_CODE_INTERRUPTED = 3
# Execution aborted with SIGTERM.
EXIT_CODE_TERMINATED = 4
# Internal error.
EXIT_CODE_INTERNAL_ERROR = 5
def GetSuitePaths(test_root):
return [ f for f in os.listdir(test_root) if isdir(join(test_root, f)) ]
# Reads a file into an array of strings
def ReadLinesFrom(name):
lines = []
with open(name) as f:
for line in f:
if line.startswith('#'): continue
if '#' in line:
line = line[:line.find('#')]
line = line.strip()
if not line: continue
lines.append(line)
return lines
def GuessOS():
system = platform.system()
if system == 'Linux':
return 'linux'
elif system == 'Darwin':
return 'macos'
elif system.find('CYGWIN') >= 0:
return 'cygwin'
elif system == 'Windows' or system == 'Microsoft':
# On Windows Vista platform.system() can return 'Microsoft' with some
# versions of Python, see http://bugs.python.org/issue1082
return 'windows'
elif system == 'FreeBSD':
return 'freebsd'
elif system == 'OpenBSD':
return 'openbsd'
elif system == 'SunOS':
return 'solaris'
elif system == 'NetBSD':
return 'netbsd'
elif system in ['AIX', 'OS400']:
# OS400 runs an AIX emulator called PASE
return 'aix'
else:
return None
# Check if Vector Enhancement Facility 1 is available on the
# host S390 machine. This facility is required for supporting Simd on V8.
def IsS390SimdSupported():
import subprocess
cpuinfo = subprocess.check_output("cat /proc/cpuinfo", shell=True)
cpuinfo_list = cpuinfo.strip().decode("utf-8").splitlines()
facilities = "".join(x for x in cpuinfo_list if x.startswith("facilities"))
facilities_list = facilities.split(" ")
# Having bit 135 set indicates VEF1 is available.
return "135" in facilities_list
# Returns power processor version, taking compatibility mode into account.
# (Power9 running in Power8 compatibility mode returns 8)
# Only useful if arch is ppc64
def GuessPowerProcessorVersion():
import ctypes, ctypes.util
os = GuessOS()
if os == 'linux':
AT_PLATFORM = 15 # from linux/auxvec.h
_LIBC = ctypes.CDLL(ctypes.util.find_library('c'))
_LIBC.getauxval.argtypes = [ctypes.c_ulong]
_LIBC.getauxval.restype = ctypes.c_char_p
at_platform = _LIBC.getauxval(AT_PLATFORM).decode('utf-8').lower()
if at_platform.startswith('power6'):
return 6
elif at_platform.startswith('power7'):
return 7
elif at_platform.startswith('power8'):
return 8
elif at_platform.startswith('power9'):
return 9
elif at_platform.startswith('power10'):
return 10
else:
raise Exception('Unable to guess power processor version')
elif os == 'aix':
# covers aix and os400
RTLD_MEMBER = 0x00040000
_LIBC = ctypes.CDLL(ctypes.util.find_library('c'),
ctypes.DEFAULT_MODE | RTLD_MEMBER)
class _system_configuration(ctypes.Structure):
_fields_ = [
('architecture', ctypes.c_int),
('implementation', ctypes.c_int),
]
cfg = _system_configuration.in_dll(_LIBC, '_system_configuration')
# Values found in sys/systemcfg.h
if cfg.implementation == 0x4000:
return 6
elif cfg.implementation == 0x8000:
return 7
elif cfg.implementation == 0x10000:
return 8
elif cfg.implementation == 0x20000:
return 9
elif cfg.implementation == 0x40000:
return 10
else:
raise Exception('Unable to guess power processor version')
else:
raise Exception('Unable to guess power processor version')
def UseSimulator(arch):
machine = platform.machine()
return (machine and
(arch == "mipsel" or arch == "arm" or arch == "arm64") and
not arch.startswith(machine))
# This will default to building the 32 bit VM even on machines that are
# capable of running the 64 bit VM.
def DefaultArch():
machine = platform.machine()
machine = machine.lower() # Windows 7 capitalizes 'AMD64'.
if machine.startswith('arm'):
return 'arm'
elif (not machine) or (not re.match('(x|i[3-6])86$', machine) is None):
return 'ia32'
elif machine == 'i86pc':
return 'ia32'
elif machine == 'x86_64':
return 'ia32'
elif machine == 'amd64':
return 'ia32'
elif machine == 's390x':
return 's390'
elif machine == 'ppc64':
return 'ppc'
else:
return None
def GuessWordsize():
if '64' in platform.machine():
return '64'
else:
return '32'
def IsWindows():
return GuessOS() == 'windows'
class FrozenDict(dict):
def __setitem__(self, *args, **kwargs):
raise Exception('Tried to mutate a frozen dict')
def update(self, *args, **kwargs):
raise Exception('Tried to mutate a frozen dict')
def Freeze(obj):
if isinstance(obj, dict):
return FrozenDict((k, Freeze(v)) for k, v in list(obj.items()))
elif isinstance(obj, set):
return frozenset(obj)
elif isinstance(obj, list):
return tuple(Freeze(item) for item in obj)
else:
# Make sure object is hashable.
hash(obj)
return obj
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