Greg Steiert / maxim_dev

Maxim mbed development library

Dependents:   sensomed

tools/dev/syms.py@0:0e018d759a2a, 2016-11-08 (annotated)

Committer:
switches
Date:
Tue Nov 08 18:27:11 2016 +0000
Revision:
0:0e018d759a2a
Initial commit

Who changed what in which revision?

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switches 0:0e018d759a2a 1 """
switches 0:0e018d759a2a 2 mbed SDK
switches 0:0e018d759a2a 3 Copyright (c) 2011-2013 ARM Limited
switches 0:0e018d759a2a 4
switches 0:0e018d759a2a 5 Licensed under the Apache License, Version 2.0 (the "License");
switches 0:0e018d759a2a 6 you may not use this file except in compliance with the License.
switches 0:0e018d759a2a 7 You may obtain a copy of the License at
switches 0:0e018d759a2a 8
switches 0:0e018d759a2a 9 http://www.apache.org/licenses/LICENSE-2.0
switches 0:0e018d759a2a 10
switches 0:0e018d759a2a 11 Unless required by applicable law or agreed to in writing, software
switches 0:0e018d759a2a 12 distributed under the License is distributed on an "AS IS" BASIS,
switches 0:0e018d759a2a 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
switches 0:0e018d759a2a 14 See the License for the specific language governing permissions and
switches 0:0e018d759a2a 15 limitations under the License.
switches 0:0e018d759a2a 16
switches 0:0e018d759a2a 17
switches 0:0e018d759a2a 18 Utility to find which libraries could define a given symbol
switches 0:0e018d759a2a 19 """
switches 0:0e018d759a2a 20 from argparse import ArgumentParser
switches 0:0e018d759a2a 21 from os.path import join, splitext
switches 0:0e018d759a2a 22 from os import walk
switches 0:0e018d759a2a 23 from subprocess import Popen, PIPE
switches 0:0e018d759a2a 24
switches 0:0e018d759a2a 25
switches 0:0e018d759a2a 26 OBJ_EXT = ['.o', '.a', '.ar']
switches 0:0e018d759a2a 27
switches 0:0e018d759a2a 28
switches 0:0e018d759a2a 29 def find_sym_in_lib(sym, obj_path):
switches 0:0e018d759a2a 30 contain_symbol = False
switches 0:0e018d759a2a 31
switches 0:0e018d759a2a 32 out = Popen(["nm", "-C", obj_path], stdout=PIPE, stderr=PIPE).communicate()[0]
switches 0:0e018d759a2a 33 for line in out.splitlines():
switches 0:0e018d759a2a 34 tokens = line.split()
switches 0:0e018d759a2a 35 n = len(tokens)
switches 0:0e018d759a2a 36 if n == 2:
switches 0:0e018d759a2a 37 sym_type = tokens[0]
switches 0:0e018d759a2a 38 sym_name = tokens[1]
switches 0:0e018d759a2a 39 elif n == 3:
switches 0:0e018d759a2a 40 sym_type = tokens[1]
switches 0:0e018d759a2a 41 sym_name = tokens[2]
switches 0:0e018d759a2a 42 else:
switches 0:0e018d759a2a 43 continue
switches 0:0e018d759a2a 44
switches 0:0e018d759a2a 45 if sym_type == "U":
switches 0:0e018d759a2a 46 # This object is using this symbol, not defining it
switches 0:0e018d759a2a 47 continue
switches 0:0e018d759a2a 48
switches 0:0e018d759a2a 49 if sym_name == sym:
switches 0:0e018d759a2a 50 contain_symbol = True
switches 0:0e018d759a2a 51
switches 0:0e018d759a2a 52 return contain_symbol
switches 0:0e018d759a2a 53
switches 0:0e018d759a2a 54
switches 0:0e018d759a2a 55 def find_sym_in_path(sym, dir_path):
switches 0:0e018d759a2a 56 for root, _, files in walk(dir_path):
switches 0:0e018d759a2a 57 for file in files:
switches 0:0e018d759a2a 58
switches 0:0e018d759a2a 59 _, ext = splitext(file)
switches 0:0e018d759a2a 60 if ext not in OBJ_EXT: continue
switches 0:0e018d759a2a 61
switches 0:0e018d759a2a 62 path = join(root, file)
switches 0:0e018d759a2a 63 if find_sym_in_lib(sym, path):
switches 0:0e018d759a2a 64 print path
switches 0:0e018d759a2a 65
switches 0:0e018d759a2a 66
switches 0:0e018d759a2a 67 if __name__ == '__main__':
switches 0:0e018d759a2a 68 parser = ArgumentParser(description='Find Symbol')
switches 0:0e018d759a2a 69 parser.add_argument('-s', '--sym', required=True,
switches 0:0e018d759a2a 70 help='The symbol to be searched')
switches 0:0e018d759a2a 71 parser.add_argument('-p', '--path', required=True,
switches 0:0e018d759a2a 72 help='The path where to search')
switches 0:0e018d759a2a 73 args = parser.parse_args()
switches 0:0e018d759a2a 74
switches 0:0e018d759a2a 75 find_sym_in_path(args.sym, args.path)