OLD | NEW |
(Empty) | |
| 1 #!/usr/bin/env python |
| 2 # |
| 3 # Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file |
| 4 # for details. All rights reserved. Use of this source code is governed by a |
| 5 # BSD-style license that can be found in the LICENSE file. |
| 6 |
| 7 # Generates an assembly source file the defines a symbol with the bytes from |
| 8 # a given file. |
| 9 |
| 10 import os |
| 11 import sys |
| 12 from optparse import OptionParser |
| 13 |
| 14 def Main(): |
| 15 parser = OptionParser() |
| 16 parser.add_option("--output", |
| 17 action="store", type="string", |
| 18 help="output assembly file name") |
| 19 parser.add_option("--input", |
| 20 action="store", type="string", |
| 21 help="input binary blob file") |
| 22 parser.add_option("--symbol_name", |
| 23 action="store", type="string") |
| 24 parser.add_option("--executable", |
| 25 action="store_true", default=False) |
| 26 parser.add_option("--target_os", |
| 27 action="store", type="string") |
| 28 |
| 29 (options, args) = parser.parse_args() |
| 30 if not options.output: |
| 31 sys.stderr.write("--output not specified\n") |
| 32 parser.print_help(); |
| 33 return -1 |
| 34 if not options.input: |
| 35 sys.stderr.write("--input not specified\n") |
| 36 parser.print_help(); |
| 37 return -1 |
| 38 if not os.path.isfile(options.input): |
| 39 sys.stderr.write("input file does not exist: %s\n" % options.input) |
| 40 parser.print_help(); |
| 41 return -1 |
| 42 if not options.symbol_name: |
| 43 sys.stderr.write("--symbol_name not specified\n") |
| 44 parser.print_help(); |
| 45 return -1 |
| 46 if not options.target_os: |
| 47 sys.stderr.write("--target_os not specified\n") |
| 48 parser.print_help(); |
| 49 return -1 |
| 50 |
| 51 with open(options.output, "w") as output_file: |
| 52 if options.target_os in ["mac", "ios"]: |
| 53 if options.executable: |
| 54 output_file.write(".text\n") |
| 55 else: |
| 56 output_file.write(".const\n") |
| 57 output_file.write(".global _%s\n" % options.symbol_name) |
| 58 output_file.write(".balign 32\n") |
| 59 output_file.write("_%s:\n" % options.symbol_name) |
| 60 elif options.target_os in ["linux", "android", "fuchsia"]: |
| 61 if options.executable: |
| 62 output_file.write(".text\n") |
| 63 else: |
| 64 output_file.write(".section .rodata\n") |
| 65 output_file.write(".global %s\n" % options.symbol_name) |
| 66 output_file.write(".balign 32\n") |
| 67 output_file.write("%s:\n" % options.symbol_name) |
| 68 elif options.target_os in ["win"]: |
| 69 output_file.write("ifndef _ML64_X64\n") |
| 70 output_file.write(".model flat, C\n") |
| 71 output_file.write("endif\n") |
| 72 if options.executable: |
| 73 output_file.write(".code\n") |
| 74 else: |
| 75 output_file.write(".const\n") |
| 76 output_file.write("public %s\n" % options.symbol_name) |
| 77 output_file.write("%s label byte\n" % options.symbol_name) |
| 78 else: |
| 79 sys.stderr.write("Unknown target_os: %s" % options.target_os) |
| 80 return -1 |
| 81 |
| 82 with open(options.input, "rb") as input_file: |
| 83 if options.target_os in ["win"]: |
| 84 for byte in input_file.read(): |
| 85 output_file.write("byte %d\n" % ord(byte)) |
| 86 output_file.write("end\n") |
| 87 else: |
| 88 for byte in input_file.read(): |
| 89 output_file.write(".byte %d\n" % ord(byte)) |
| 90 |
| 91 return 0 |
| 92 |
| 93 if __name__ == "__main__": |
| 94 sys.exit(Main()) |
OLD | NEW |