kopia lustrzana https://github.com/espressif/esp-idf
54 wiersze
1.7 KiB
Python
54 wiersze
1.7 KiB
Python
#!/usr/bin/env python
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#
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# SPDX-FileCopyrightText: 2020-2023 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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#
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import argparse
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import re
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import subprocess
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from typing import Tuple
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argparser = argparse.ArgumentParser()
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argparser.add_argument('readelf')
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argparser.add_argument('elf')
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args = argparser.parse_args()
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# Get the content of the readelf command
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contents = subprocess.check_output([args.readelf, '-S', args.elf]).decode()
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# Define a class for readelf parsing error
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class ParsingError(Exception):
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pass
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# Look for the start address and size of any section
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def find_partition_info(sectionname): # type: (str) -> Tuple[int, int, int]
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match = re.search(sectionname + r'\s+PROGBITS\s+([a-f0-9]+) [a-f0-9]+ ([a-f0-9]+) \d+\s+[A-Z]+ 0 0 (\d+)',
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contents)
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if not match:
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raise ParsingError('ELF header parsing error')
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# Return the address of the section, the size and the alignment
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address = match.group(1)
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size = match.group(2)
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alignment = match.group(3)
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return (int(address, 16), int(size, 16), int(alignment, 10))
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# Get address and size for .flash.appdesc section
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app_address, app_size, app_align = find_partition_info('.flash.appdesc')
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# Same goes for .flash.rodata section
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rodata_address, _, rodata_align = find_partition_info('.flash.rodata')
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# Assert than everything is as expected:
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# appdesc is aligned on 16
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# rodata is aligned on 64
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# appdesc ends where rodata starts
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assert app_align == 16, '.flash.appdesc section should have been aligned on 16!'
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assert rodata_align == 64, '.flash.rodata section should have been aligned on 64!'
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assert app_address + app_size == rodata_address, ".flash.appdesc's end address and .flash.rodata's begin start must have no gap in between!"
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