119 lines
3.9 KiB
Python
Executable file
119 lines
3.9 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
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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 argparse
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import sys
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import tempfile
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from fragments import FragmentFile
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from sdkconfig import SDKConfig
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from generation import GenerationModel, TemplateModel, SectionsInfo
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from ldgen_common import LdGenFailure
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from pyparsing import ParseException, ParseFatalException
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def main():
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argparser = argparse.ArgumentParser(description="ESP-IDF linker script generator")
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argparser.add_argument(
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"--input", "-i",
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help="Linker template file",
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type=argparse.FileType("r"))
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argparser.add_argument(
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"--fragments", "-f",
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type=argparse.FileType("r"),
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help="Input fragment files",
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nargs="+")
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argparser.add_argument(
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"--sections", "-s",
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type=argparse.FileType("r"),
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help="Library sections info")
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argparser.add_argument(
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"--output", "-o",
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help="Output linker script",
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type=str)
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argparser.add_argument(
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"--config", "-c",
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help="Project configuration")
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argparser.add_argument(
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"--kconfig", "-k",
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help="IDF Kconfig file")
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argparser.add_argument(
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"--env", "-e",
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action='append', default=[],
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help='Environment to set when evaluating the config file', metavar='NAME=VAL')
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args = argparser.parse_args()
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input_file = args.input
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fragment_files = [] if not args.fragments else args.fragments
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config_file = args.config
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output_path = args.output
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kconfig_file = args.kconfig
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sections = args.sections
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try:
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sections_infos = SectionsInfo()
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if sections:
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section_info_contents = [s.strip() for s in sections.read().split("\n")]
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section_info_contents = [s for s in section_info_contents if s]
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else:
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section_info_contents = []
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for sections_info_file in section_info_contents:
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with open(sections_info_file) as sections_info_file_obj:
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sections_infos.add_sections_info(sections_info_file_obj)
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generation_model = GenerationModel()
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sdkconfig = SDKConfig(kconfig_file, config_file, args.env)
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for fragment_file in fragment_files:
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try:
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fragment_file = FragmentFile(fragment_file, sdkconfig)
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except (ParseException, ParseFatalException) as e:
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# ParseException is raised on incorrect grammar
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# ParseFatalException is raised on correct grammar, but inconsistent contents (ex. duplicate
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# keys, key unsupported by fragment, unexpected number of values, etc.)
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raise LdGenFailure("failed to parse %s\n%s" % (fragment_file.name, str(e)))
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generation_model.add_fragments_from_file(fragment_file)
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mapping_rules = generation_model.generate_rules(sections_infos)
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script_model = TemplateModel(input_file)
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script_model.fill(mapping_rules)
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with tempfile.TemporaryFile("w+") as output:
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script_model.write(output)
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output.seek(0)
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with open(output_path, "w") as f: # only create output file after generation has suceeded
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f.write(output.read())
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except LdGenFailure as e:
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print("linker script generation failed for %s\nERROR: %s" % (input_file.name, e))
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sys.exit(1)
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if __name__ == "__main__":
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main()
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