Initial SIMDBC interpreter.

tools/build.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.
 #
 
 import optparse
 import os
 import re
@@ skipping 38 matching lines @@
   result.add_option("-m", "--mode",
       help='Build variants (comma-separated).',
       metavar='[all,debug,release,product]',
       default='debug')
   result.add_option("-v", "--verbose",
       help='Verbose output.',
       default=False, action="store_true")
   result.add_option("-a", "--arch",
       help='Target architectures (comma-separated).',
       metavar='[all,ia32,x64,simarm,arm,simarmv6,armv6,simarmv5te,armv5te,'
-              'simmips,mips,simarm64,arm64,]',
+              'simmips,mips,simarm64,arm64,simdbc,]',
       default=utils.GuessArchitecture())
   result.add_option("--os",
     help='Target OSs (comma-separated).',
     metavar='[all,host,android]',
     default='host')
   result.add_option("-t", "--toolchain",
     help='Cross-compiler toolchain path',
     default=None)
   result.add_option("-j",
       help='The number of parallel jobs to run.',
@@ skipping 25 matching lines @@
     options.os = 'host,android'
   options.mode = options.mode.split(',')
   options.arch = options.arch.split(',')
   options.os = options.os.split(',')
   for mode in options.mode:
     if not mode in ['debug', 'release', 'product']:
       print "Unknown mode %s" % mode
       return False
   for arch in options.arch:
     archs = ['ia32', 'x64', 'simarm', 'arm', 'simarmv6', 'armv6',
-             'simarmv5te', 'armv5te', 'simmips', 'mips', 'simarm64', 'arm64',]
+             'simarmv5te', 'armv5te', 'simmips', 'mips', 'simarm64', 'arm64',
+             'simdbc',]
     if not arch in archs:
       print "Unknown arch %s" % arch
       return False
   options.os = [ProcessOsOption(os_name) for os_name in options.os]
   for os_name in options.os:
     if not os_name in ['android', 'freebsd', 'linux', 'macos', 'win32']:
       print "Unknown os %s" % os_name
       return False
     if os_name != HOST_OS:
       if os_name != 'android':
         print "Unsupported target os %s" % os_name
         return False
       if not HOST_OS in ['linux']:
         print ("Cross-compilation to %s is not supported on host os %s."
                % (os_name, HOST_OS))
         return False
-      if not arch in ['ia32', 'x64', 'arm', 'armv6', 'armv5te', 'arm64', 'mips']:
+      if not arch in ['ia32', 'x64', 'arm', 'armv6', 'armv5te', 'arm64', 'mips',
+                      'simdbc',]:
         print ("Cross-compilation to %s is not supported for architecture %s."
                % (os_name, arch))
         return False
       # We have not yet tweaked the v8 dart build to work with the Android
       # NDK/SDK, so don't try to build it.
       if not args:
         print "For android builds you must specify a target, such as 'runtime'."
         return False
   return True
 
 
 def GetToolchainPrefix(target_os, arch, options):
   if options.toolchain != None:
     return options.toolchain
 
   if target_os == 'android':
     android_toolchain = GetAndroidToolchainDir(HOST_OS, arch)
-    if arch == 'arm':
+    if arch == 'arm' or arch == 'simdbc':
       return os.path.join(android_toolchain, 'arm-linux-androideabi')
     if arch == 'arm64':
       return os.path.join(android_toolchain, 'aarch64-linux-android')
     if arch == 'ia32':
       return os.path.join(android_toolchain, 'i686-linux-android')
     if arch == 'x64':
       return os.path.join(android_toolchain, 'x86_64-linux-android')
 
   # If no cross compiler is specified, only try to figure one out on Linux.
   if not HOST_OS in ['linux']:
@@ skipping 39 matching lines @@
 def CheckDirExists(path, docstring):
   if not os.path.isdir(path):
     raise Exception('Could not find %s directory %s'
           % (docstring, path))
 
 
 def GetAndroidToolchainDir(host_os, target_arch):
   global THIRD_PARTY_ROOT
   if host_os not in ['linux']:
     raise Exception('Unsupported host os %s' % host_os)
-  if target_arch not in ['ia32', 'x64', 'arm', 'arm64']:
+  if target_arch not in ['ia32', 'x64', 'arm', 'arm64', 'simdbc']:
     raise Exception('Unsupported target architecture %s' % target_arch)
 
   # Set up path to the Android NDK.
   CheckDirExists(THIRD_PARTY_ROOT, 'third party tools')
   android_tools = os.path.join(THIRD_PARTY_ROOT, 'android_tools')
   CheckDirExists(android_tools, 'Android tools')
   android_ndk_root = os.path.join(android_tools, 'ndk')
   CheckDirExists(android_ndk_root, 'Android NDK')
 
   # Set up the directory of the Android NDK cross-compiler toolchain.
@@ skipping 345 matching lines @@
           else:
             if BuildOneConfig(options, target, target_os,
                               mode, arch, cross_build) != 0:
               return 1
 
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(Main())