[MIPS] Support for MIPS PNaCl in PPAPI

ppapi/native_client/src/untrusted/pnacl_support_extension/pnacl_component_crx_gen.py

 #!/usr/bin/python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """This script lays out the PNaCl translator files for a
    normal Chrome installer, for one platform.  Once run num-of-arches times,
    the result can then be packed into a multi-CRX zip file.
 
    This script depends on and pulls in the translator nexes and libraries
@@ skipping 20 matching lines @@
 # This is based on the machine "building" this extension.
 # We also used this to identify the arch-specific different versions of
 # this extension.
 
 def CanonicalArch(arch):
   if arch in ('x86_64', 'x86-64', 'x64', 'amd64'):
     return 'x86-64'
   # TODO(jvoung): be more specific about the arm architecture version?
   if arch in ('arm', 'armv7'):
     return 'arm'
+  if arch in ('mipsel'):
+    return 'mips32'
   if re.match('^i.86$', arch) or arch in ('x86_32', 'x86-32', 'ia32', 'x86'):
     return 'x86-32'
   return None
 
 def GetBuildArch():
   arch = platform.machine()
   return CanonicalArch(arch)
 
 BUILD_ARCH = GetBuildArch()
-ARCHES = ['x86-32', 'x86-64', 'arm']
+ARCHES = ['x86-32', 'x86-64', 'arm', 'mips32']
 
 def IsValidArch(arch):
   return arch in ARCHES
 
 # The version of the arch used by configure and pnacl's build.sh.
 def StandardArch(arch):
   return {'x86-32': 'i686',
           'x86-64': 'x86_64',
-          'arm'   : 'armv7'}[arch]
+          'arm'   : 'armv7',
+          'mips32': 'mips'}[arch]
 
 
 ######################################################################
 
 def GetNaClRoot():
   """ Find the native_client path, relative to this script.
       This script is in ppapi/... and native_client is a sibling of ppapi.
   """
   script_file = os.path.abspath(__file__)
   def SearchForNaCl(cur_dir):
@@ skipping 302 matching lines @@
 
   abi_version = int(args[0])
 
   arches = DetermineInstallerArches(options.target_arch)
   BuildInstallerStyle(abi_version, lib_overrides, arches)
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(Main())