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#!/usr/bin/env python
# Copyright 2018 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
'''
Converts a given file in clang assembly syntax to a corresponding
representation in inline assembly. Specifically, this is used to convert
embedded.S to embedded.cc for Windows clang builds.
'''
import argparse
import sys
def asm_to_inl_asm(in_filename, out_filename):
with open(in_filename, 'r') as infile, open(out_filename, 'wb') as outfile:
outfile.write('__asm__(\n')
for line in infile:
# Escape " in .S file before outputing it to inline asm file.
line = line.replace('"', '\\"')
outfile.write(' "%s\\n"\n' % line.rstrip())
outfile.write(');\n')
return 0
if __name__ == '__main__':
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('input', help='Name of the input assembly file')
parser.add_argument('output', help='Name of the target CC file')
args = parser.parse_args()
sys.exit(asm_to_inl_asm(args.input, args.output))