Subzero: Build x86-64 target libs.

toolchain_build/pnacl_targetlibs.py

 #!/usr/bin/python
 # Copyright (c) 2013 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Recipes for PNaCl target libs."""
 
 import fnmatch
 import os
 import sys
@@ skipping 624 matching lines @@
     Triple = 'i686-linux-gnu'
     LlcArchArgs = [ '-mcpu=pentium4m']
   elif arch == 'x86-32':
     Triple = 'i686-none-nacl-gnu'
     LlcArchArgs = [ '-mcpu=pentium4m']
   elif arch == 'x86-32-nonsfi':
     Triple = 'i686-linux-gnu'
     LlcArchArgs = [ '-mcpu=pentium4m', '-relocation-model=pic',
                     '-force-tls-non-pic', '-malign-double']
     AsmSourceBase = 'szrt_asm_x8632'
+  elif arch == 'x86-64-linux':
+    Triple = 'x86_64-none-linux-gnux32'
+    LlcArchArgs = [ '-mcpu=x86-64']
+  elif arch == 'x86-64':
+    Triple = 'x86_64-none-nacl'
+    LlcArchArgs = [ '-mcpu=x86-64']
   elif arch == 'arm-linux':
     Triple = 'arm-linux-gnu'
     LlcArchArgs = [ '-mcpu=cortex-a9']
   elif arch == 'arm':
     Triple = 'arm-none-nacl-gnu'
     LlcArchArgs = [ '-mcpu=cortex-a9']
   else:
     return []
   LlcArchArgs.append('-mtriple=' + Triple)
   return [
@@ skipping 283 matching lines @@
                  'includedir=' +os.path.join('%(output)s',
                                              TripleFromArch(MultilibArch(arch)),
                                              'include'),
                  'libdir=' + os.path.join('%(output)s', MultilibLibDir(arch)),
                  'install'] + scons_flags,
                 cwd=NACL_DIR),
           ],
       }
   }
   return libs