mirror of https://github.com/ARMmbed/mbed-os.git
67 lines
2.4 KiB
Python
67 lines
2.4 KiB
Python
# Copyright (c) 2018, Arm Limited and affiliates.
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# SPDX-License-Identifier: Apache-2.0
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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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import os
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"""
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def __default_coverage_start_callback(self, key, value, timestamp):
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# {{__coverage_start;PATH;PAYLOAD}}
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# PAYLAODED is HEX coded string
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lcov_path, lcov_payload = value.split(';')
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try:
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bin_payload = coverage_pack_hex_payload(lcov_payload)
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coverage_dump_file(lcov_path, bin_payload)
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self.log("dumped %d bytes to '%s'"% (len(bin_payload), lcov_path))
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except Exception as e:
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self.log("LCOV:" + str(e))
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"""
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def coverage_pack_hex_payload(payload):
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"""! Convert a block of hex string data back to binary and return the binary data
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@param payload String with hex encoded ascii data, e.g.: '6164636772...'
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@return bytearray with payload with data
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"""
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# This payload might be packed with dot compression
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# where byte value 0x00 is coded as ".", and not as "00"
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payload = payload.replace('.', '00')
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hex_pairs = map(''.join, zip(*[iter(payload)] * 2)) # ['61', '64', '63', '67', '72', ... ]
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bin_payload = bytearray([int(s, 16) for s in hex_pairs])
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return bin_payload
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def coverage_dump_file(build_path, path, payload):
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"""! Creates file and dumps payload to it on specified path (even if path doesn't exist)
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@param path Path to file
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@param payload Binary data to store in a file
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@return True if operation was completed
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"""
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result = True
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try:
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d, filename = os.path.split(path)
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if not os.path.isabs(d) and not os.path.exists(d):
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# For a relative path that do not exist. Try adding ./build/<yotta target> prefix
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d = build_path
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path = os.path.join(d, filename)
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if not os.path.exists(d):
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os.makedirs(d)
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with open(path, "wb") as f:
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f.write(payload)
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except IOError as e:
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print(str(e))
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result = False
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return result
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