76 lines
2.1 KiB
Python
76 lines
2.1 KiB
Python
|
"""
|
||
|
|
mbed SDK
|
||
|
|
Copyright (c) 2011-2013 ARM Limited
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
|
||
|
|
|
||
|
|
Utility to find which libraries could define a given symbol
|
||
|
|
"""
|
||
|
|
from argparse import ArgumentParser
|
||
|
|
from os.path import join, splitext
|
||
|
|
from os import walk
|
||
|
|
from subprocess import Popen, PIPE
|
||
|
|
|
||
|
|
|
||
|
|
OBJ_EXT = ['.o', '.a', '.ar']
|
||
|
|
|
||
|
|
|
||
|
|
def find_sym_in_lib(sym, obj_path):
|
||
|
|
contain_symbol = False
|
||
|
|
|
||
|
|
out = Popen(["nm", "-C", obj_path], stdout=PIPE, stderr=PIPE).communicate()[0]
|
||
|
|
for line in out.splitlines():
|
||
|
|
tokens = line.split()
|
||
|
|
n = len(tokens)
|
||
|
|
if n == 2:
|
||
|
|
sym_type = tokens[0]
|
||
|
|
sym_name = tokens[1]
|
||
|
|
elif n == 3:
|
||
|
|
sym_type = tokens[1]
|
||
|
|
sym_name = tokens[2]
|
||
|
|
else:
|
||
|
|
continue
|
||
|
|
|
||
|
|
if sym_type == "U":
|
||
|
|
# This object is using this symbol, not defining it
|
||
|
|
continue
|
||
|
|
|
||
|
|
if sym_name == sym:
|
||
|
|
contain_symbol = True
|
||
|
|
|
||
|
|
return contain_symbol
|
||
|
|
|
||
|
|
|
||
|
|
def find_sym_in_path(sym, dir_path):
|
||
|
|
for root, _, files in walk(dir_path):
|
||
|
|
for file in files:
|
||
|
|
|
||
|
|
_, ext = splitext(file)
|
||
|
|
if ext not in OBJ_EXT: continue
|
||
|
|
|
||
|
|
path = join(root, file)
|
||
|
|
if find_sym_in_lib(sym, path):
|
||
|
|
print path
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
parser = ArgumentParser(description='Find Symbol')
|
||
|
|
parser.add_argument('-s', '--sym', required=True,
|
||
|
|
help='The symbol to be searched')
|
||
|
|
parser.add_argument('-p', '--path', required=True,
|
||
|
|
help='The path where to search')
|
||
|
|
args = parser.parse_args()
|
||
|
|
|
||
|
|
find_sym_in_path(args.sym, args.path)
|