1#!/usr/bin/env python 2 3# Copyright 2018 the V8 project authors. All rights reserved. 4# Use of this source code is governed by a BSD-style license that can be 5# found in the LICENSE file. 6 7''' 8Converts a given file in clang assembly syntax to a corresponding 9representation in inline assembly. Specifically, this is used to convert 10embedded.S to embedded.cc for Windows clang builds. 11''' 12 13import argparse 14import sys 15 16def asm_to_inl_asm(in_filename, out_filename): 17 with open(in_filename, 'r') as infile, open(out_filename, 'wb') as outfile: 18 outfile.write(b'__asm__(\n') 19 for line in infile: 20 # Escape " in .S file before outputing it to inline asm file. 21 line = line.replace('"', '\\"') 22 outfile.write(b' "%s\\n"\n' % line.rstrip().encode('utf8')) 23 outfile.write(b');\n') 24 return 0 25 26if __name__ == '__main__': 27 parser = argparse.ArgumentParser(description=__doc__) 28 parser.add_argument('input', help='Name of the input assembly file') 29 parser.add_argument('output', help='Name of the target CC file') 30 args = parser.parse_args() 31 sys.exit(asm_to_inl_asm(args.input, args.output)) 32