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# SPDX-License-Identifier: BSD-2-Clause
""" This module provides a build step to produce gcda files. """
# Copyright (C) 2022 embedded brains GmbH & Co. KG
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# 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.
import base64
import glob
import json
import logging
import os
import shutil
from subprocess import run as subprocess_run
from rtemsspec.directorystate import DirectoryState
from rtemsspec.packagebuild import BuildItem
class GCDAProducer(BuildItem):
""" Runs the gcov-tool to produce gcda files from a test log. """
def run(self):
build = self.input("build")
assert isinstance(build, DirectoryState)
destination = self.output("destination")
assert isinstance(destination, DirectoryState)
logging.info("%s: copy *.gcno files from '%s' to '%s'", self.uid,
build.directory, destination.directory)
for file in build.files():
assert not file.endswith(".gcda")
if file.endswith(".gcno"):
file_dest = file.replace(build.directory,
destination.directory)
os.makedirs(os.path.dirname(file_dest), exist_ok=True)
shutil.copy2(file, file_dest)
gcda_pattern = f"{build.directory}/**/*.gcda"
for file in glob.glob(gcda_pattern, recursive=True):
logging.warning(
"%s: remove unexpected *.gcda file in build directory: '%s'",
self.uid, file)
os.remove(file)
log = self.input("log")
assert isinstance(log, DirectoryState)
gcov_tool = self["gcov-tool"]
cwd = self["working-directory"]
with open(log.file, "r", encoding="utf-8") as src:
data = json.load(src)
for report in data["reports"]:
if "line-end-of-test" not in report["info"]:
# Do not use coverage data of failed tests
continue
begin = report.get("line-gcov-info-base64-begin", -1)
end = report.get("line-gcov-info-base64-end", -1)
if begin >= 0 and end >= 0:
logging.debug("%s: process: %s", self.uid,
report["executable"])
gcov_info = base64.b64decode("".join(report["output"][begin +
1:end]))
subprocess_run([gcov_tool, "merge-stream"],
check=True,
cwd=cwd,
input=gcov_info)
logging.info("%s: move *.gcda files from '%s' to '%s'", self.uid,
build.directory, destination.directory)
for file in glob.glob(gcda_pattern, recursive=True):
file_dest = file.replace(build.directory, destination.directory)
os.replace(file, file_dest)
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