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https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
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84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
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#!/usr/bin/env python3
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# Copyright (C) 2023 ArtInChip Technology Co., Ltd
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# Wu Dehuang <dehuang.wu@artinchip.com>
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# This tool can be used to calculate linked function/symbol's size in ELF
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import os
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import sys
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import argparse
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def calc_size(maplines, outfile, outvar, sectname):
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linecnt = len(maplines)
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section = " ." + sectname
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if linecnt != 0:
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# Go to Memory Configuration
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idx = 0
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while True:
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if "Memory Configuration" in maplines[idx]:
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break
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idx = idx + 1
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line_for_file = ""
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size_stat = {}
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while idx < linecnt:
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if maplines[idx].startswith(section):
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line_for_file = maplines[idx].strip()
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if " " not in line_for_file:
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idx += 1
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line_for_file = line_for_file + " " + maplines[idx].strip()
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items = line_for_file.split()
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# line_for_file = sectname + "," + ",".join(items)
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line_for_file = "{},{},{},{}".format(sectname, items[0],
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int(items[2], 16), items[3])
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outvar.write(line_for_file + "\n")
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fname = items[3]
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varsize = int(items[2], 16)
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if fname not in size_stat:
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size_stat[fname] = varsize
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else:
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size_stat[fname] = size_stat[fname] + varsize
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idx += 1
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total_size = 0
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for linkedfile in size_stat:
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outfile.write("{},{},{}\n".format(sectname, size_stat[linkedfile], linkedfile))
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total_size += size_stat[linkedfile]
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return total_size
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("-m", "--map", type=str,
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help="elf's map file, e.g. d21x.map")
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args = parser.parse_args()
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if args.map == None:
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print('Error, option --map is required.')
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print('e.g.:')
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print(' {} -m d21x.map'.format(sys.argv[0]))
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sys.exit(1)
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mapfile = args.map
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lines = []
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with open(mapfile, "r+") as fm:
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lines = fm.readlines()
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fvar_name = "{}.var.csv".format(mapfile.replace('map', 'size'))
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ff_name = "{}.csv".format(mapfile.replace('map', 'size'))
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outvar = open(fvar_name, "w+")
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outfile = open(ff_name, "w+")
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outfile.write("Section,Size,File\n")
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outvar.write("Section,Symbol,Size,File\n")
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section = ['text', 'rodata','data', 'bss']
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total_size = 0
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for s in section:
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total_size += calc_size(lines, outfile, outvar, s)
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outvar.write("all,,{},Total size\n".format(total_size))
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outfile.write("all,{},Total size\n".format(total_size))
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outvar.close()
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outfile.close()
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