f0f861ccd9
Previously ldgen determines the output file name on its own. This commit makes it so that user can dictate what the output file name will be for the processed template, if the user needs it for something else.
133 lines
4.2 KiB
Python
Executable file
133 lines
4.2 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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import subprocess
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import os
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import errno
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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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from io import StringIO
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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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"--libraries-file",
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type=argparse.FileType("r"),
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help="File that contains the list of libraries in the build")
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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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argparser.add_argument(
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"--objdump",
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help="Path to toolchain objdump")
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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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libraries_file = args.libraries_file
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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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objdump = args.objdump
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try:
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sections_infos = SectionsInfo()
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for library in libraries_file:
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library = library.strip()
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if library:
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dump = StringIO(subprocess.check_output([objdump, "-h", library]).decode())
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dump.name = library
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sections_infos.add_sections_info(dump)
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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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if not os.path.exists(os.path.dirname(output_path)):
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try:
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os.makedirs(os.path.dirname(output_path))
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except OSError as exc:
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if exc.errno != errno.EEXIST:
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raise
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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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