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#!/usr/bin/env python
#
# Copyright (C) 2015 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""Runs the libc++ tests against the platform libc++."""
from __future__ import print_function
import argparse
import logging
import os
import posixpath
import sys
THIS_DIR = os.path.dirname(os.path.realpath(__file__))
ANDROID_DIR = os.path.realpath(os.path.join(THIS_DIR, '../..'))
def logger():
"""Returns the logger for the module."""
return logging.getLogger(__name__)
def call(cmd, *args, **kwargs):
"""subprocess.call with logging."""
import subprocess
logger().info('call %s', ' '.join(cmd))
return subprocess.call(cmd, *args, **kwargs)
def check_call(cmd, *args, **kwargs):
"""subprocess.check_call with logging."""
import subprocess
logger().info('check_call %s', ' '.join(cmd))
return subprocess.check_call(cmd, *args, **kwargs)
def check_output(cmd, *args, **kwargs):
"""subprocess.check_output with logging."""
import subprocess
logger().info('check_output %s', ' '.join(cmd))
return subprocess.check_output(cmd, *args, **kwargs)
class ArgParser(argparse.ArgumentParser):
"""Parses command line arguments."""
def __init__(self):
super(ArgParser, self).__init__()
self.add_argument('--bitness', choices=(32, 64), type=int, default=32)
self.add_argument('--host', action='store_true')
def extract_build_cmds(commands, exe_name):
"""Extracts build command information from `ninja -t commands` output.
Args:
commands: String containing the output of `ninja -t commands` for the
libcxx_test_template.
exe_name: The basename of the built executable.
Returns:
Tuple of (compiler, compiler_flags, linker_flags).
"""
cc = None
cflags = None
ldflags = None
template_name = 'external/libcxx/libcxx_test_template.cpp'
for cmd in commands.splitlines():
cmd_args = cmd.split()
if cc is None and template_name in cmd_args:
for i, arg in enumerate(cmd_args):
if arg == '-o':
cmd_args[i + 1] = '%OUT%'
elif arg == template_name:
cmd_args[i] = '%SOURCE%'
# Drop dependency tracking args since they can cause file
# not found errors at test time.
if arg == '-MD':
cmd_args[i] = ''
if arg == '-MF':
cmd_args[i] = ''
cmd_args[i + 1] = ''
if cmd_args[0] == 'PWD=/proc/self/cwd':
cmd_args = cmd_args[1:]
if cmd_args[0].endswith('gomacc'):
cmd_args = cmd_args[1:]
cc = cmd_args[0]
cflags = cmd_args[1:]
if ldflags is None:
is_ld = False
for i, arg in enumerate(cmd_args):
# Here we assume that the rspfile contains the path to the
# object file and nothing else.
if arg.startswith('@'):
cmd_args[i] = '%SOURCE%'
if arg == '-o' and cmd_args[i + 1].endswith(exe_name):
cmd_args[i + 1] = '%OUT%'
is_ld = True
if is_ld:
ldflags = cmd_args[1:]
return cc, cflags, ldflags
def get_build_cmds(bitness, host):
"""Use ninja -t commands to find the build commands for an executable."""
out_dir = os.getenv('OUT_DIR', os.path.join(ANDROID_DIR, 'out'))
product_out = os.getenv('ANDROID_PRODUCT_OUT')
if host:
rel_out_dir = os.path.relpath(
os.path.join(out_dir, 'soong/host/linux-x86/bin'), ANDROID_DIR)
target = os.path.join(rel_out_dir, 'libcxx_test_template64')
else:
exe_name = 'libcxx_test_template' + str(bitness)
rel_out_dir = os.path.relpath(product_out, ANDROID_DIR)
target = os.path.join(rel_out_dir, 'system/bin', exe_name)
# Generate $OUT_DIR/combined-$TARGET_PRODUCT.ninja and build the
# template target's dependencies.
check_call([
'bash',
os.path.join(ANDROID_DIR, 'build/soong/soong_ui.bash'), '--make-mode',
target
])
ninja_path = os.path.join(
out_dir, 'combined-' + os.getenv('TARGET_PRODUCT') + '.ninja')
commands = check_output([
os.path.join(ANDROID_DIR, 'prebuilts/build-tools/linux-x86/bin/ninja'),
'-C', ANDROID_DIR, '-f', ninja_path, '-t', 'commands', target
])
return extract_build_cmds(commands, os.path.basename(target))
def setup_test_directory():
"""Prepares a device test directory for use by the shell user."""
stdfs_test_data = os.path.join(
THIS_DIR, 'test/std/input.output/filesystems/Inputs/static_test_env')
device_dir = '/data/local/tmp/libcxx'
dynamic_dir = posixpath.join(device_dir, 'dynamic_test_env')
check_call(['adb', 'shell', 'rm', '-rf', device_dir])
check_call(['adb', 'shell', 'mkdir', '-p', device_dir])
check_call(['adb', 'shell', 'mkdir', '-p', dynamic_dir])
check_call(['adb', 'push', '--sync', stdfs_test_data, device_dir])
check_call(['adb', 'shell', 'chown', '-R', 'shell:shell', device_dir])
def main():
"""Program entry point."""
logging.basicConfig(level=logging.INFO)
args, lit_args = ArgParser().parse_known_args()
lit_path = os.path.join(ANDROID_DIR, 'external/llvm/utils/lit/lit.py')
cc, cflags, ldflags = get_build_cmds(args.bitness, args.host)
mode_str = 'host' if args.host else 'device'
android_mode_arg = '--param=android_mode=' + mode_str
cxx_under_test_arg = '--param=cxx_under_test=' + cc
cxx_template_arg = '--param=cxx_template=' + ' '.join(cflags)
link_template_arg = '--param=link_template=' + ' '.join(ldflags)
site_cfg_path = os.path.join(THIS_DIR, 'test/lit.site.cfg')
libcxx_site_cfg_arg = '--param=libcxx_site_config=' + site_cfg_path
libcxxabi_site_cfg_arg = '--param=libcxxabi_site_config=' + site_cfg_path
default_test_paths = [
os.path.join(THIS_DIR, 'test'),
os.path.join(ANDROID_DIR, 'external/libcxxabi/test')
]
have_filter_args = False
for arg in lit_args:
# If the argument is a valid path with default_test_paths, it is a test
# filter.
real_path = os.path.realpath(arg)
if not any(real_path.startswith(path) for path in default_test_paths):
continue
if not os.path.exists(real_path):
continue
have_filter_args = True
break # No need to keep scanning.
if not args.host:
setup_test_directory()
lit_args = [
'-sv', android_mode_arg, cxx_under_test_arg, cxx_template_arg,
link_template_arg, libcxx_site_cfg_arg, libcxxabi_site_cfg_arg
] + lit_args
cmd = ['python', lit_path] + lit_args
if not have_filter_args:
cmd += default_test_paths
sys.exit(call(cmd))
if __name__ == '__main__':
main()
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