forked from OSchip/llvm-project
63 lines
2.1 KiB
Python
Executable File
63 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python
|
|
#===----------------------------------------------------------------------===##
|
|
#
|
|
# The LLVM Compiler Infrastructure
|
|
#
|
|
# This file is dual licensed under the MIT and the University of Illinois Open
|
|
# Source Licenses. See LICENSE.TXT for details.
|
|
#
|
|
#===----------------------------------------------------------------------===##
|
|
"""
|
|
sym_diff - Compare two symbol lists and output the differences.
|
|
"""
|
|
|
|
from argparse import ArgumentParser
|
|
import sys
|
|
from sym_check import diff, util
|
|
|
|
|
|
def main():
|
|
parser = ArgumentParser(
|
|
description='Extract a list of symbols from a shared library.')
|
|
parser.add_argument(
|
|
'--names-only', dest='names_only',
|
|
help='Only print symbol names',
|
|
action='store_true', default=False)
|
|
parser.add_argument(
|
|
'--removed-only', dest='removed_only',
|
|
help='Only print removed symbols',
|
|
action='store_true', default=False)
|
|
parser.add_argument(
|
|
'-o', '--output', dest='output',
|
|
help='The output file. stdout is used if not given',
|
|
type=str, action='store', default=None)
|
|
parser.add_argument(
|
|
'--demangle', dest='demangle', action='store_true', default=False)
|
|
parser.add_argument(
|
|
'old_syms', metavar='old-syms', type=str,
|
|
help='The file containing the old symbol list or a library')
|
|
parser.add_argument(
|
|
'new_syms', metavar='new-syms', type=str,
|
|
help='The file containing the new symbol list or a library')
|
|
args = parser.parse_args()
|
|
|
|
old_syms_list = util.extract_or_load(args.old_syms)
|
|
new_syms_list = util.extract_or_load(args.new_syms)
|
|
|
|
added, removed, changed = diff.diff(old_syms_list, new_syms_list)
|
|
if args.removed_only:
|
|
added = {}
|
|
report, is_break = diff.report_diff(added, removed, changed,
|
|
names_only=args.names_only,
|
|
demangle=args.demangle)
|
|
if args.output is None:
|
|
print(report)
|
|
else:
|
|
with open(args.output, 'w') as f:
|
|
f.write(report + '\n')
|
|
sys.exit(is_break)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|