init

Dependencies:   mbed

Committer:
Nathan Yonkee
Date:
Fri Mar 02 07:12:37 2018 -0700
Revision:
9:d58e77ebd769
add mbed-os library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Nathan Yonkee 9:d58e77ebd769 1 """
Nathan Yonkee 9:d58e77ebd769 2 mbed SDK
Nathan Yonkee 9:d58e77ebd769 3 Copyright (c) 2011-2013 ARM Limited
Nathan Yonkee 9:d58e77ebd769 4
Nathan Yonkee 9:d58e77ebd769 5 Licensed under the Apache License, Version 2.0 (the "License");
Nathan Yonkee 9:d58e77ebd769 6 you may not use this file except in compliance with the License.
Nathan Yonkee 9:d58e77ebd769 7 You may obtain a copy of the License at
Nathan Yonkee 9:d58e77ebd769 8
Nathan Yonkee 9:d58e77ebd769 9 http://www.apache.org/licenses/LICENSE-2.0
Nathan Yonkee 9:d58e77ebd769 10
Nathan Yonkee 9:d58e77ebd769 11 Unless required by applicable law or agreed to in writing, software
Nathan Yonkee 9:d58e77ebd769 12 distributed under the License is distributed on an "AS IS" BASIS,
Nathan Yonkee 9:d58e77ebd769 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Nathan Yonkee 9:d58e77ebd769 14 See the License for the specific language governing permissions and
Nathan Yonkee 9:d58e77ebd769 15 limitations under the License.
Nathan Yonkee 9:d58e77ebd769 16
Nathan Yonkee 9:d58e77ebd769 17
Nathan Yonkee 9:d58e77ebd769 18 Utility to find which libraries could define a given symbol
Nathan Yonkee 9:d58e77ebd769 19 """
Nathan Yonkee 9:d58e77ebd769 20 from argparse import ArgumentParser
Nathan Yonkee 9:d58e77ebd769 21 from os.path import join, splitext
Nathan Yonkee 9:d58e77ebd769 22 from os import walk
Nathan Yonkee 9:d58e77ebd769 23 from subprocess import Popen, PIPE
Nathan Yonkee 9:d58e77ebd769 24
Nathan Yonkee 9:d58e77ebd769 25
Nathan Yonkee 9:d58e77ebd769 26 OBJ_EXT = ['.o', '.a', '.ar']
Nathan Yonkee 9:d58e77ebd769 27
Nathan Yonkee 9:d58e77ebd769 28
Nathan Yonkee 9:d58e77ebd769 29 def find_sym_in_lib(sym, obj_path):
Nathan Yonkee 9:d58e77ebd769 30 contain_symbol = False
Nathan Yonkee 9:d58e77ebd769 31
Nathan Yonkee 9:d58e77ebd769 32 out = Popen(["nm", "-C", obj_path], stdout=PIPE, stderr=PIPE).communicate()[0]
Nathan Yonkee 9:d58e77ebd769 33 for line in out.splitlines():
Nathan Yonkee 9:d58e77ebd769 34 tokens = line.split()
Nathan Yonkee 9:d58e77ebd769 35 n = len(tokens)
Nathan Yonkee 9:d58e77ebd769 36 if n == 2:
Nathan Yonkee 9:d58e77ebd769 37 sym_type = tokens[0]
Nathan Yonkee 9:d58e77ebd769 38 sym_name = tokens[1]
Nathan Yonkee 9:d58e77ebd769 39 elif n == 3:
Nathan Yonkee 9:d58e77ebd769 40 sym_type = tokens[1]
Nathan Yonkee 9:d58e77ebd769 41 sym_name = tokens[2]
Nathan Yonkee 9:d58e77ebd769 42 else:
Nathan Yonkee 9:d58e77ebd769 43 continue
Nathan Yonkee 9:d58e77ebd769 44
Nathan Yonkee 9:d58e77ebd769 45 if sym_type == "U":
Nathan Yonkee 9:d58e77ebd769 46 # This object is using this symbol, not defining it
Nathan Yonkee 9:d58e77ebd769 47 continue
Nathan Yonkee 9:d58e77ebd769 48
Nathan Yonkee 9:d58e77ebd769 49 if sym_name == sym:
Nathan Yonkee 9:d58e77ebd769 50 contain_symbol = True
Nathan Yonkee 9:d58e77ebd769 51
Nathan Yonkee 9:d58e77ebd769 52 return contain_symbol
Nathan Yonkee 9:d58e77ebd769 53
Nathan Yonkee 9:d58e77ebd769 54
Nathan Yonkee 9:d58e77ebd769 55 def find_sym_in_path(sym, dir_path):
Nathan Yonkee 9:d58e77ebd769 56 for root, _, files in walk(dir_path):
Nathan Yonkee 9:d58e77ebd769 57 for file in files:
Nathan Yonkee 9:d58e77ebd769 58
Nathan Yonkee 9:d58e77ebd769 59 _, ext = splitext(file)
Nathan Yonkee 9:d58e77ebd769 60 if ext not in OBJ_EXT: continue
Nathan Yonkee 9:d58e77ebd769 61
Nathan Yonkee 9:d58e77ebd769 62 path = join(root, file)
Nathan Yonkee 9:d58e77ebd769 63 if find_sym_in_lib(sym, path):
Nathan Yonkee 9:d58e77ebd769 64 print path
Nathan Yonkee 9:d58e77ebd769 65
Nathan Yonkee 9:d58e77ebd769 66
Nathan Yonkee 9:d58e77ebd769 67 if __name__ == '__main__':
Nathan Yonkee 9:d58e77ebd769 68 parser = ArgumentParser(description='Find Symbol')
Nathan Yonkee 9:d58e77ebd769 69 parser.add_argument('-s', '--sym', required=True,
Nathan Yonkee 9:d58e77ebd769 70 help='The symbol to be searched')
Nathan Yonkee 9:d58e77ebd769 71 parser.add_argument('-p', '--path', required=True,
Nathan Yonkee 9:d58e77ebd769 72 help='The path where to search')
Nathan Yonkee 9:d58e77ebd769 73 args = parser.parse_args()
Nathan Yonkee 9:d58e77ebd769 74
Nathan Yonkee 9:d58e77ebd769 75 find_sym_in_path(args.sym, args.path)