#!/usr/bin/env python
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#
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# Copyright (C) 2019 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import logging
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import os
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import subprocess
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import sys
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import tempfile
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import zipfile
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THIS_DIR = os.path.realpath(os.path.dirname(__file__))
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def logger():
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"""Returns the module level logger."""
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return logging.getLogger(__name__)
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def unchecked_call(cmd, *args, **kwargs):
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"""subprocess.call with logging."""
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logger().info('unchecked_call: %s', subprocess.list2cmdline(cmd))
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return subprocess.call(cmd, *args, **kwargs)
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def check_call(cmd, *args, **kwargs):
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"""subprocess.check_call with logging."""
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logger().info('check_call: %s', subprocess.list2cmdline(cmd))
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subprocess.check_call(cmd, *args, **kwargs)
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def android_build_top():
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return os.path.realpath(os.path.join(THIS_DIR, '../../..'))
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def clang_build():
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gofile = os.path.join(android_build_top(), 'build', 'soong', 'cc', 'config', 'global.go')
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try:
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lines = file(gofile).readlines()
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versionLine = [l for l in lines if 'ClangDefaultVersion' in l][0]
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start, end = versionLine.index('"'), versionLine.rindex('"')
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return versionLine[start + 1: end]
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except Exception as err:
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raise RuntimeError("Extracting Clang version failed with {0}".format(err))
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def llvm_profdata():
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return os.path.join(android_build_top(), 'prebuilts', 'clang', 'host',
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'linux-x86', clang_build(), 'bin', 'llvm-profdata')
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def run_llvm_profdata(inputs, output):
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check_call([llvm_profdata(), 'merge', '-output=' + output] + inputs)
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