| #!/usr/bin/env python3 |
| |
| """Converts a .exports file to a format consumable by linkers. |
| |
| An .exports file is a file with one exported symbol per line. |
| This script converts a .exports file into a format that linkers |
| can understand: |
| - It prepends a `_` to each line for use with -exported_symbols_list for Darwin |
| - It writes a .def file for use with /DEF: for Windows |
| - It writes a linker script for use with --version-script elsewhere |
| """ |
| |
| import argparse |
| import sys |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument('--format', required=True, |
| choices=('linux','mac','win')) |
| parser.add_argument('source') |
| parser.add_argument('output') |
| args = parser.parse_args() |
| |
| symbols = open(args.source).readlines() |
| |
| if args.format == 'linux': |
| output_lines = (['LLVM_0 {\n', |
| ' global:\n',] + |
| [' %s;\n' % s.rstrip() for s in symbols] + |
| [' local:\n', |
| ' *;\n', |
| '};\n']) |
| elif args.format == 'mac': |
| output_lines = ['_' + s for s in symbols] |
| else: |
| assert args.format == 'win' |
| output_lines = ['EXPORTS\n'] + [' ' + s for s in symbols] |
| |
| open(args.output, 'w').writelines(output_lines) |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |