Start libc++ python cleanup and consolidation.
Libc++ frequently creates and uses utilities written in python.
Currently there are python modules under both libcxx/test and
libcxx/util. My goal with these changes is to consolidate them
into a single package under libcxx/utils/libcxx.
llvm-svn: 294644
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 0b37f209bf2aaf9b06276a0c40d1c29b5d6bfe89
diff --git a/utils/sym_extract.py b/utils/sym_extract.py
new file mode 100755
index 0000000..0d9d2ee
--- /dev/null
+++ b/utils/sym_extract.py
@@ -0,0 +1,42 @@
+#!/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_extract - Extract and output a list of symbols from a shared library.
+"""
+from argparse import ArgumentParser
+from libcxx.sym_check import extract, util
+
+
+def main():
+ parser = ArgumentParser(
+ description='Extract a list of symbols from a shared library.')
+ parser.add_argument('library', metavar='shared-lib', type=str,
+ help='The library to extract symbols from')
+ 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('--names-only', dest='names_only',
+ help='Output only the name of the symbol',
+ action='store_true', default=False)
+ parser.add_argument('--only-stdlib-symbols', dest='only_stdlib',
+ help="Filter all symbols not related to the stdlib",
+ action='store_true', default=False)
+ args = parser.parse_args()
+ if args.output is not None:
+ print('Extracting symbols from %s to %s.'
+ % (args.library, args.output))
+ syms = extract.extract_symbols(args.library)
+ if args.only_stdlib:
+ syms, other_syms = util.filter_stdlib_symbols(syms)
+ util.write_syms(syms, out=args.output, names_only=args.names_only)
+
+
+if __name__ == '__main__':
+ main()