Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/tools/dev/syms.py@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcozecchini 0:9fca2b23d0ba 1 """
marcozecchini 0:9fca2b23d0ba 2 mbed SDK
marcozecchini 0:9fca2b23d0ba 3 Copyright (c) 2011-2013 ARM Limited
marcozecchini 0:9fca2b23d0ba 4
marcozecchini 0:9fca2b23d0ba 5 Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 6 you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 7 You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 8
marcozecchini 0:9fca2b23d0ba 9 http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 10
marcozecchini 0:9fca2b23d0ba 11 Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 12 distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 14 See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 15 limitations under the License.
marcozecchini 0:9fca2b23d0ba 16
marcozecchini 0:9fca2b23d0ba 17
marcozecchini 0:9fca2b23d0ba 18 Utility to find which libraries could define a given symbol
marcozecchini 0:9fca2b23d0ba 19 """
marcozecchini 0:9fca2b23d0ba 20 from argparse import ArgumentParser
marcozecchini 0:9fca2b23d0ba 21 from os.path import join, splitext
marcozecchini 0:9fca2b23d0ba 22 from os import walk
marcozecchini 0:9fca2b23d0ba 23 from subprocess import Popen, PIPE
marcozecchini 0:9fca2b23d0ba 24
marcozecchini 0:9fca2b23d0ba 25
marcozecchini 0:9fca2b23d0ba 26 OBJ_EXT = ['.o', '.a', '.ar']
marcozecchini 0:9fca2b23d0ba 27
marcozecchini 0:9fca2b23d0ba 28
marcozecchini 0:9fca2b23d0ba 29 def find_sym_in_lib(sym, obj_path):
marcozecchini 0:9fca2b23d0ba 30 contain_symbol = False
marcozecchini 0:9fca2b23d0ba 31
marcozecchini 0:9fca2b23d0ba 32 out = Popen(["nm", "-C", obj_path], stdout=PIPE, stderr=PIPE).communicate()[0]
marcozecchini 0:9fca2b23d0ba 33 for line in out.splitlines():
marcozecchini 0:9fca2b23d0ba 34 tokens = line.split()
marcozecchini 0:9fca2b23d0ba 35 n = len(tokens)
marcozecchini 0:9fca2b23d0ba 36 if n == 2:
marcozecchini 0:9fca2b23d0ba 37 sym_type = tokens[0]
marcozecchini 0:9fca2b23d0ba 38 sym_name = tokens[1]
marcozecchini 0:9fca2b23d0ba 39 elif n == 3:
marcozecchini 0:9fca2b23d0ba 40 sym_type = tokens[1]
marcozecchini 0:9fca2b23d0ba 41 sym_name = tokens[2]
marcozecchini 0:9fca2b23d0ba 42 else:
marcozecchini 0:9fca2b23d0ba 43 continue
marcozecchini 0:9fca2b23d0ba 44
marcozecchini 0:9fca2b23d0ba 45 if sym_type == "U":
marcozecchini 0:9fca2b23d0ba 46 # This object is using this symbol, not defining it
marcozecchini 0:9fca2b23d0ba 47 continue
marcozecchini 0:9fca2b23d0ba 48
marcozecchini 0:9fca2b23d0ba 49 if sym_name == sym:
marcozecchini 0:9fca2b23d0ba 50 contain_symbol = True
marcozecchini 0:9fca2b23d0ba 51
marcozecchini 0:9fca2b23d0ba 52 return contain_symbol
marcozecchini 0:9fca2b23d0ba 53
marcozecchini 0:9fca2b23d0ba 54
marcozecchini 0:9fca2b23d0ba 55 def find_sym_in_path(sym, dir_path):
marcozecchini 0:9fca2b23d0ba 56 for root, _, files in walk(dir_path):
marcozecchini 0:9fca2b23d0ba 57 for file in files:
marcozecchini 0:9fca2b23d0ba 58
marcozecchini 0:9fca2b23d0ba 59 _, ext = splitext(file)
marcozecchini 0:9fca2b23d0ba 60 if ext not in OBJ_EXT: continue
marcozecchini 0:9fca2b23d0ba 61
marcozecchini 0:9fca2b23d0ba 62 path = join(root, file)
marcozecchini 0:9fca2b23d0ba 63 if find_sym_in_lib(sym, path):
marcozecchini 0:9fca2b23d0ba 64 print path
marcozecchini 0:9fca2b23d0ba 65
marcozecchini 0:9fca2b23d0ba 66
marcozecchini 0:9fca2b23d0ba 67 if __name__ == '__main__':
marcozecchini 0:9fca2b23d0ba 68 parser = ArgumentParser(description='Find Symbol')
marcozecchini 0:9fca2b23d0ba 69 parser.add_argument('-s', '--sym', required=True,
marcozecchini 0:9fca2b23d0ba 70 help='The symbol to be searched')
marcozecchini 0:9fca2b23d0ba 71 parser.add_argument('-p', '--path', required=True,
marcozecchini 0:9fca2b23d0ba 72 help='The path where to search')
marcozecchini 0:9fca2b23d0ba 73 args = parser.parse_args()
marcozecchini 0:9fca2b23d0ba 74
marcozecchini 0:9fca2b23d0ba 75 find_sym_in_path(args.sym, args.path)