Greg Steiert / pegasus_dev

Development mbed library for MAX32630FTHR

Dependents:   blinky_max32630fthr

tools/dev/syms.py@0:5c4d7b2438d3, 2016-11-11 (annotated)

Committer:
switches
Date:
Fri Nov 11 20:59:50 2016 +0000
Revision:
0:5c4d7b2438d3
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
switches 0:5c4d7b2438d3 1 """
switches 0:5c4d7b2438d3 2 mbed SDK
switches 0:5c4d7b2438d3 3 Copyright (c) 2011-2013 ARM Limited
switches 0:5c4d7b2438d3 4
switches 0:5c4d7b2438d3 5 Licensed under the Apache License, Version 2.0 (the "License");
switches 0:5c4d7b2438d3 6 you may not use this file except in compliance with the License.
switches 0:5c4d7b2438d3 7 You may obtain a copy of the License at
switches 0:5c4d7b2438d3 8
switches 0:5c4d7b2438d3 9 http://www.apache.org/licenses/LICENSE-2.0
switches 0:5c4d7b2438d3 10
switches 0:5c4d7b2438d3 11 Unless required by applicable law or agreed to in writing, software
switches 0:5c4d7b2438d3 12 distributed under the License is distributed on an "AS IS" BASIS,
switches 0:5c4d7b2438d3 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
switches 0:5c4d7b2438d3 14 See the License for the specific language governing permissions and
switches 0:5c4d7b2438d3 15 limitations under the License.
switches 0:5c4d7b2438d3 16
switches 0:5c4d7b2438d3 17
switches 0:5c4d7b2438d3 18 Utility to find which libraries could define a given symbol
switches 0:5c4d7b2438d3 19 """
switches 0:5c4d7b2438d3 20 from argparse import ArgumentParser
switches 0:5c4d7b2438d3 21 from os.path import join, splitext
switches 0:5c4d7b2438d3 22 from os import walk
switches 0:5c4d7b2438d3 23 from subprocess import Popen, PIPE
switches 0:5c4d7b2438d3 24
switches 0:5c4d7b2438d3 25
switches 0:5c4d7b2438d3 26 OBJ_EXT = ['.o', '.a', '.ar']
switches 0:5c4d7b2438d3 27
switches 0:5c4d7b2438d3 28
switches 0:5c4d7b2438d3 29 def find_sym_in_lib(sym, obj_path):
switches 0:5c4d7b2438d3 30 contain_symbol = False
switches 0:5c4d7b2438d3 31
switches 0:5c4d7b2438d3 32 out = Popen(["nm", "-C", obj_path], stdout=PIPE, stderr=PIPE).communicate()[0]
switches 0:5c4d7b2438d3 33 for line in out.splitlines():
switches 0:5c4d7b2438d3 34 tokens = line.split()
switches 0:5c4d7b2438d3 35 n = len(tokens)
switches 0:5c4d7b2438d3 36 if n == 2:
switches 0:5c4d7b2438d3 37 sym_type = tokens[0]
switches 0:5c4d7b2438d3 38 sym_name = tokens[1]
switches 0:5c4d7b2438d3 39 elif n == 3:
switches 0:5c4d7b2438d3 40 sym_type = tokens[1]
switches 0:5c4d7b2438d3 41 sym_name = tokens[2]
switches 0:5c4d7b2438d3 42 else:
switches 0:5c4d7b2438d3 43 continue
switches 0:5c4d7b2438d3 44
switches 0:5c4d7b2438d3 45 if sym_type == "U":
switches 0:5c4d7b2438d3 46 # This object is using this symbol, not defining it
switches 0:5c4d7b2438d3 47 continue
switches 0:5c4d7b2438d3 48
switches 0:5c4d7b2438d3 49 if sym_name == sym:
switches 0:5c4d7b2438d3 50 contain_symbol = True
switches 0:5c4d7b2438d3 51
switches 0:5c4d7b2438d3 52 return contain_symbol
switches 0:5c4d7b2438d3 53
switches 0:5c4d7b2438d3 54
switches 0:5c4d7b2438d3 55 def find_sym_in_path(sym, dir_path):
switches 0:5c4d7b2438d3 56 for root, _, files in walk(dir_path):
switches 0:5c4d7b2438d3 57 for file in files:
switches 0:5c4d7b2438d3 58
switches 0:5c4d7b2438d3 59 _, ext = splitext(file)
switches 0:5c4d7b2438d3 60 if ext not in OBJ_EXT: continue
switches 0:5c4d7b2438d3 61
switches 0:5c4d7b2438d3 62 path = join(root, file)
switches 0:5c4d7b2438d3 63 if find_sym_in_lib(sym, path):
switches 0:5c4d7b2438d3 64 print path
switches 0:5c4d7b2438d3 65
switches 0:5c4d7b2438d3 66
switches 0:5c4d7b2438d3 67 if __name__ == '__main__':
switches 0:5c4d7b2438d3 68 parser = ArgumentParser(description='Find Symbol')
switches 0:5c4d7b2438d3 69 parser.add_argument('-s', '--sym', required=True,
switches 0:5c4d7b2438d3 70 help='The symbol to be searched')
switches 0:5c4d7b2438d3 71 parser.add_argument('-p', '--path', required=True,
switches 0:5c4d7b2438d3 72 help='The path where to search')
switches 0:5c4d7b2438d3 73 args = parser.parse_args()
switches 0:5c4d7b2438d3 74
switches 0:5c4d7b2438d3 75 find_sym_in_path(args.sym, args.path)