Adds armv5 build and test target.

tools/utils.py

 # 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.
 
 # This file contains a set of utilities functions used by other Python-based
 # scripts.
 
 import commands
 import os
 import platform
@@ skipping 30 matching lines @@
     return 'openbsd'
   elif os_id == 'SunOS':
     return 'solaris'
   else:
     return None
 
 
 # Try to guess the host architecture.
 def GuessArchitecture():
   os_id = platform.machine()
-  if os_id.startswith('arm'):
+  if os_id.startswith('armv5'):
+    return 'armv5'
+  elif os_id.startswith('arm'):
     return 'arm'
   elif os_id.startswith('aarch64'):
     return 'arm64'
   elif os_id.startswith('mips'):
     return 'mips'
   elif (not os_id) or (not re.match('(x|i[3-6])86', os_id) is None):
     return 'ia32'
   elif os_id == 'i86pc':
     return 'ia32'
   elif '64' in os_id:
@@ skipping 151 matching lines @@
   'win32': os.path.join('build'),
   'linux': os.path.join('out'),
   'freebsd': os.path.join('out'),
   'macos': os.path.join('xcodebuild'),
 }
 
 ARCH_FAMILY = {
   'ia32': 'ia32',
   'x64': 'ia32',
   'arm': 'arm',
+  'armv5': 'arm',
   'arm64': 'arm',
   'mips': 'mips',
   'simarm': 'ia32',
   'simmips': 'ia32',
   'simarm64': 'ia32',
 }
 
 ARCH_GUESS = GuessArchitecture()
 BASE_DIR = os.path.abspath(os.path.join(os.curdir, '..'))
 DART_DIR = os.path.abspath(os.path.join(__file__, '..', '..'))
@@ skipping 313 matching lines @@
 
 
 def DartBinary():
   tools_dir = os.path.dirname(os.path.realpath(__file__))
   dart_binary_prefix = os.path.join(tools_dir, 'testing', 'bin')
   if IsWindows():
     return os.path.join(dart_binary_prefix, 'windows', 'dart.exe')
   else:
     arch = GuessArchitecture()
     system = GuessOS()
-    if arch == 'arm':
+    if arch == 'armv5':
+      # TODO(zra): This binary does not exist, yet. Check one in once we have
+      # sufficient stability.
+      return os.path.join(dart_binary_prefix, system, 'dart-armv5')
+    elif arch == 'arm':
       return os.path.join(dart_binary_prefix, system, 'dart-arm')
     elif arch == 'arm64':
       return os.path.join(dart_binary_prefix, system, 'dart-arm64')
     elif arch == 'mips':
       return os.path.join(dart_binary_prefix, system, 'dart-mips')
     else:
       return os.path.join(dart_binary_prefix, system, 'dart')
 
 
 def DartSdkBinary():
@@ skipping 23 matching lines @@
     os.chdir(self._working_directory)
 
   def __exit__(self, *_):
     print "Enter directory = ", self._old_cwd
     os.chdir(self._old_cwd)
 
 
 if __name__ == "__main__":
   import sys
   Main()