v8/gypfiles/coverage_wrapper.py
ochang 644379eedc Use new sanitizer coverage flags.
-fsanitize-coverage={edge,bb,func} are deprecated.

-fsanitize-coverage={edge,bb,func},trace-pc-guard should be used instead (edge is default).

BUG=chromium:651540

Review-Url: https://codereview.chromium.org/2860653002
Cr-Commit-Position: refs/heads/master@{#45072}
2017-05-03 19:36:08 +00:00

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Python
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#!/usr/bin/env python
# Copyright 2016 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# CC/CXX wrapper script that excludes certain file patterns from coverage
# instrumentation.
import re
import subprocess
import sys
exclusions = [
'buildtools',
'src/third_party',
'third_party',
'test',
'testing',
]
def remove_if_exists(string_list, item):
if item in string_list:
string_list.remove(item)
args = sys.argv[1:]
text = ' '.join(sys.argv[2:])
for exclusion in exclusions:
if re.search(r'\-o obj/%s[^ ]*\.o' % exclusion, text):
remove_if_exists(args, '-fprofile-arcs')
remove_if_exists(args, '-ftest-coverage')
remove_if_exists(args, '-fsanitize-coverage=func')
remove_if_exists(args, '-fsanitize-coverage=bb')
remove_if_exists(args, '-fsanitize-coverage=edge')
remove_if_exists(args, '-fsanitize-coverage=trace-pc-guard')
remove_if_exists(args, '-fsanitize-coverage=bb,trace-pc-guard')
break
sys.exit(subprocess.check_call(args))