core-jit:

runtime/tools/create_snapshot_bin.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """Script to create snapshot bin file."""
 
 import getopt
 import optparse
 import os
 from os.path import basename, join
 import sys
 import utils
 
 
 def BuildOptions():
   result = optparse.OptionParser()
   result.add_option("--executable",
       action="store", type="string",
       help="path to snapshot generator executable")
   result.add_option("--snapshot_kind",
       action="store", type="string",
       help="kind of snapshot to generate",
       default="core")
+  result.add_option("--load_compilation_trace",
+      action="store", type="string",
+      help="path to a compilation trace to load before generating a core-jit snapshot")
+  result.add_option("--vm_flag",
+      action="append", type="string", default=[],
+      help="pass additional Dart VM flag")
   result.add_option("--vm_output_bin",
       action="store", type="string",
       help="output file name into which vm isolate snapshot in binary form " +
            "is generated")
   result.add_option("--vm_instructions_output_bin",
       action="store", type="string",
       help="output file name into which vm isolate snapshot in binary form " +
            "is generated")
   result.add_option("--isolate_output_bin",
       action="store", type="string",
@@ skipping 69 matching lines @@
   if not ProcessOptions(options):
     parser.print_help()
     return 1
 
   # If there are additional arguments, report error and exit.
   if args:
     parser.print_help()
     return 1
 
   # Setup arguments to the snapshot generator binary.
-  script_args = ["--ignore_unrecognized_flags" ]
+  script_args = ["--ignore_unrecognized_flags"]
+
+  for flag in options.vm_flag:
+    script_args.append(flag)
+
+  if options.load_compilation_trace:
+    script_args.append(''.join([ "--load_compilation_trace=", options.load_compilation_trace]))
 
   # Pass along the package_root if there is one.
   if options.package_root:
     script_args.append(''.join([ "--package_root=", options.package_root]))
 
   # Pass along the packages if there is one.
   if options.packages:
     script_args.append(''.join([ "--packages=", options.packages]))
 
   # First setup the vm isolate and regular isolate snapshot output filename.
@@ skipping 31 matching lines @@
     return -1
 
   # Success, update timestamp file.
   CreateTimestampFile(options)
 
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(Main())