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75 lines
2.9 KiB
Python
Executable File
75 lines
2.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# Display the segment sizes used by an ELF
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#
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# Copyright (C) 2019 - Earle F. Philhower, III
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from __future__ import print_function
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import argparse
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import os
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import subprocess
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import sys
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def get_segment_hints():
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hints = {}
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hints['IROM'] = ' - code in flash (default or ICACHE_FLASH_ATTR)'
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hints['IRAM'] = ' / 32768 - code in IRAM (ICACHE_RAM_ATTR, ISRs...)'
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hints['DATA'] = ') - initialized variables (global, static) in RAM/HEAP'
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hints['RODATA'] = ') / 81920 - constants (global, static) in RAM/HEAP'
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hints['BSS'] = ') - zeroed variables (global, static) in RAM/HEAP'
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return hints
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def get_segment_sizes(elf, path):
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sizes = {}
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sizes['IROM'] = 0
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sizes['IRAM'] = 0
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sizes['DATA'] = 0
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sizes['RODATA'] = 0
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sizes['BSS'] = 0
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p = subprocess.Popen([path + "/xtensa-lx106-elf-size", '-A', elf], stdout=subprocess.PIPE, universal_newlines=True )
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lines = p.stdout.readlines()
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for line in lines:
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words = line.split()
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if line.startswith('.irom0.text'):
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sizes['IROM'] = sizes['IROM'] + int(words[1])
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elif line.startswith('.text'): # Gets .text and .text1
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sizes['IRAM'] = sizes['IRAM'] + int(words[1])
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elif line.startswith('.data'): # Gets .text and .text1
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sizes['DATA'] = sizes['DATA'] + int(words[1])
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elif line.startswith('.rodata'): # Gets .text and .text1
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sizes['RODATA'] = sizes['RODATA'] + int(words[1])
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elif line.startswith('.bss'): # Gets .text and .text1
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sizes['BSS'] = sizes['BSS'] + int(words[1])
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return sizes
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def main():
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parser = argparse.ArgumentParser(description='Report the different segment sizes of a compiled ELF file')
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parser.add_argument('-e', '--elf', action='store', required=True, help='Path to the Arduino sketch ELF')
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parser.add_argument('-p', '--path', action='store', required=True, help='Path to Xtensa toolchain binaries')
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args = parser.parse_args()
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sizes = get_segment_sizes(args.elf, args.path)
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hints = get_segment_hints()
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sys.stderr.write("Executable segment sizes:" + os.linesep)
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for k in sizes.keys():
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sys.stderr.write("%-7s: %-5d %s %s" % (k, sizes[k], hints[k], os.linesep))
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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