Files
mongo/buildscripts/generate_def.py

76 lines
2.5 KiB
Python

#!/usr/bin/python
# Copyright 2013 10gen Inc.
#
# 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.
#
"""Generate a def file exposing all public symbols from .lib library files
Usage:
python generate_def.py <def file> <library files>
"""
import re
import string
import subprocess
import sys
# These symbols appear in the 32-bit linkermember section 1, but
# we don't want to export them.
blacklist = ( "_MemoryBarrier",
"_md5_append",
"_md5_finish",
"_md5_init",
"_wmemcpy",
"_wmemmove" )
def main(argv):
defFilename = argv[1]
allLibFilenames = argv[2:]
defFile = open(defFilename, 'w')
defFile.write("LIBRARY " + re.search(r"\\([a-zA-Z0-9_]+).def", defFilename).group(1) + "\n")
defFile.write("EXPORTS\n")
for libFilename in allLibFilenames:
# Only use symbols from linkermember 1; ignore 2 and 3
dumpBin = subprocess.Popen(["DUMPBIN", "/LINKERMEMBER:1", libFilename],
stdout=subprocess.PIPE)
# advance to the symbol section
seenPublicSymbols = False
for line in dumpBin.stdout:
if seenPublicSymbols == False:
if "public symbols" not in line:
continue
else:
seenPublicSymbols = True
continue
if line.startswith("Archive member name"):
# New linkermember section; skip ahead to the symbol section
seenPublicSymbols = False
continue
# the symbol section ends at this label
if line.startswith(" Summary"):
break
# filter out some symbols we don't want - symbol starts at column 10
if (line.startswith(blacklist, 10)):
continue
# leave off the symbol address in the first 10 characters
defFile.write(line[10:])
dumpBin.wait()
defFile.close()
if __name__ == '__main__':
main(sys.argv)