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85 lines
3.0 KiB
Python
85 lines
3.0 KiB
Python
#!/usr/bin/env python
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#
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# SPDX-FileCopyrightText: 2020-2024 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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#
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# Check placements in this test app for main
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# specified in main/linker.lf
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import argparse
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import subprocess
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from pyparsing import alphanums
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from pyparsing import hexnums
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from pyparsing import LineEnd
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from pyparsing import LineStart
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from pyparsing import Literal
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from pyparsing import Optional
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from pyparsing import Word
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argparser = argparse.ArgumentParser()
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argparser.add_argument('objdump')
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argparser.add_argument('elf')
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argparser.add_argument('--no-rtc', action='store_true')
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argparser.add_argument('--non-contiguous-sram', action='store_true')
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args = argparser.parse_args()
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contents = subprocess.check_output([args.objdump, '-t', args.elf]).decode()
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def check_location(symbol, expected):
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pattern = (LineStart() + Word(hexnums).setResultsName('address')
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+ Optional(Word(alphanums, exact=1))
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+ Optional(Word(alphanums,exact=1))
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+ Word(alphanums + '._*').setResultsName('actual')
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+ Word(hexnums)
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+ Literal(symbol)
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+ LineEnd())
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try:
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results = pattern.searchString(contents)[0]
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except IndexError:
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raise Exception("check placement fail: '%s' was not found" % (symbol))
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if results.actual != expected:
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raise Exception("check placement fail: '%s' was placed in '%s', not in '%s'" % (symbol, results.actual, expected))
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print("check placement pass: '%s' was successfully placed in '%s'" % (symbol, results.actual))
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return int(results.address, 16)
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# src1:func1 (noflash) - explicit mapping for func2 using 'rtc' scheme
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# should have been dropped since it is unreferenced.
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func1 = check_location('func1', '.iram0.text')
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sym1_start = check_location('_sym1_start', '*ABS*')
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sym1_end = check_location('_sym1_end', '*ABS*')
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assert func1 >= sym1_start, 'check placement fail: func1 comes before __sym1_start'
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assert func1 < sym1_end, 'check placement fail: func1 comes after __sym1_end'
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assert sym1_start % 9 == 0, '_sym1_start is not aligned as specified in linker fragment'
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assert sym1_end % 12 == 0, '_sym1_end is not aligned as specified in linker fragment'
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print('check placement pass: _sym1_start < func1 < __sym1_end and alignments checked')
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func0 = check_location('func0', '.iram0.text')
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if args.non_contiguous_sram:
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assert func1 < func0, 'check placement fail: func1 comes after func0'
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print('check placement pass: func1 < func0 checked')
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else:
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assert func1 > func0, 'check placement fail: func0 comes after func1'
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print('check placement pass: func1 > func0 checked')
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# src1:func2 (rtc) - explicit mapping for func2 using 'rtc' scheme
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if not args.no_rtc:
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check_location('func2', '.rtc.text')
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# src1 (default) - only func3 in src1 remains that has not been
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# mapped using a different scheme
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check_location('func3', '.flash.text')
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check_location('func4', '.iram0.text')
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check_location('const_array', '.dram0.data')
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