| #!/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()) |
