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Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

tools/dev/syms.py@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 """
group-onsemi 0:098463de4c5d 2 mbed SDK
group-onsemi 0:098463de4c5d 3 Copyright (c) 2011-2013 ARM Limited
group-onsemi 0:098463de4c5d 4
group-onsemi 0:098463de4c5d 5 Licensed under the Apache License, Version 2.0 (the "License");
group-onsemi 0:098463de4c5d 6 you may not use this file except in compliance with the License.
group-onsemi 0:098463de4c5d 7 You may obtain a copy of the License at
group-onsemi 0:098463de4c5d 8
group-onsemi 0:098463de4c5d 9 http://www.apache.org/licenses/LICENSE-2.0
group-onsemi 0:098463de4c5d 10
group-onsemi 0:098463de4c5d 11 Unless required by applicable law or agreed to in writing, software
group-onsemi 0:098463de4c5d 12 distributed under the License is distributed on an "AS IS" BASIS,
group-onsemi 0:098463de4c5d 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-onsemi 0:098463de4c5d 14 See the License for the specific language governing permissions and
group-onsemi 0:098463de4c5d 15 limitations under the License.
group-onsemi 0:098463de4c5d 16
group-onsemi 0:098463de4c5d 17
group-onsemi 0:098463de4c5d 18 Utility to find which libraries could define a given symbol
group-onsemi 0:098463de4c5d 19 """
group-onsemi 0:098463de4c5d 20 from argparse import ArgumentParser
group-onsemi 0:098463de4c5d 21 from os.path import join, splitext
group-onsemi 0:098463de4c5d 22 from os import walk
group-onsemi 0:098463de4c5d 23 from subprocess import Popen, PIPE
group-onsemi 0:098463de4c5d 24
group-onsemi 0:098463de4c5d 25
group-onsemi 0:098463de4c5d 26 OBJ_EXT = ['.o', '.a', '.ar']
group-onsemi 0:098463de4c5d 27
group-onsemi 0:098463de4c5d 28
group-onsemi 0:098463de4c5d 29 def find_sym_in_lib(sym, obj_path):
group-onsemi 0:098463de4c5d 30 contain_symbol = False
group-onsemi 0:098463de4c5d 31
group-onsemi 0:098463de4c5d 32 out = Popen(["nm", "-C", obj_path], stdout=PIPE, stderr=PIPE).communicate()[0]
group-onsemi 0:098463de4c5d 33 for line in out.splitlines():
group-onsemi 0:098463de4c5d 34 tokens = line.split()
group-onsemi 0:098463de4c5d 35 n = len(tokens)
group-onsemi 0:098463de4c5d 36 if n == 2:
group-onsemi 0:098463de4c5d 37 sym_type = tokens[0]
group-onsemi 0:098463de4c5d 38 sym_name = tokens[1]
group-onsemi 0:098463de4c5d 39 elif n == 3:
group-onsemi 0:098463de4c5d 40 sym_type = tokens[1]
group-onsemi 0:098463de4c5d 41 sym_name = tokens[2]
group-onsemi 0:098463de4c5d 42 else:
group-onsemi 0:098463de4c5d 43 continue
group-onsemi 0:098463de4c5d 44
group-onsemi 0:098463de4c5d 45 if sym_type == "U":
group-onsemi 0:098463de4c5d 46 # This object is using this symbol, not defining it
group-onsemi 0:098463de4c5d 47 continue
group-onsemi 0:098463de4c5d 48
group-onsemi 0:098463de4c5d 49 if sym_name == sym:
group-onsemi 0:098463de4c5d 50 contain_symbol = True
group-onsemi 0:098463de4c5d 51
group-onsemi 0:098463de4c5d 52 return contain_symbol
group-onsemi 0:098463de4c5d 53
group-onsemi 0:098463de4c5d 54
group-onsemi 0:098463de4c5d 55 def find_sym_in_path(sym, dir_path):
group-onsemi 0:098463de4c5d 56 for root, _, files in walk(dir_path):
group-onsemi 0:098463de4c5d 57 for file in files:
group-onsemi 0:098463de4c5d 58
group-onsemi 0:098463de4c5d 59 _, ext = splitext(file)
group-onsemi 0:098463de4c5d 60 if ext not in OBJ_EXT: continue
group-onsemi 0:098463de4c5d 61
group-onsemi 0:098463de4c5d 62 path = join(root, file)
group-onsemi 0:098463de4c5d 63 if find_sym_in_lib(sym, path):
group-onsemi 0:098463de4c5d 64 print path
group-onsemi 0:098463de4c5d 65
group-onsemi 0:098463de4c5d 66
group-onsemi 0:098463de4c5d 67 if __name__ == '__main__':
group-onsemi 0:098463de4c5d 68 parser = ArgumentParser(description='Find Symbol')
group-onsemi 0:098463de4c5d 69 parser.add_argument('-s', '--sym', required=True,
group-onsemi 0:098463de4c5d 70 help='The symbol to be searched')
group-onsemi 0:098463de4c5d 71 parser.add_argument('-p', '--path', required=True,
group-onsemi 0:098463de4c5d 72 help='The path where to search')
group-onsemi 0:098463de4c5d 73 args = parser.parse_args()
group-onsemi 0:098463de4c5d 74
group-onsemi 0:098463de4c5d 75 find_sym_in_path(args.sym, args.path)