Non-SFI Mode: Add nonsfi_loader and plumbing to test it

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 573 matching lines @@
     })
   return libs
 
 def UnsandboxedIRT(arch):
   libs = {
       Mangle('unsandboxed_irt', arch): {
           'type': 'build',
           'output_subdir': 'lib-' + arch,
           # This lib #includes
           # arbitrary stuff from native_client/src/{include,untrusted,trusted}
-          'inputs': { 'support': os.path.join(NACL_DIR, 'pnacl', 'support'),
+          'inputs': { 'support': os.path.join(NACL_DIR, 'src', 'nonsfi', 'irt'),
                       'include': os.path.join(NACL_DIR, 'src'), },
           'commands': [
               # The NaCl headers insist on having a platform macro such as
               # NACL_LINUX defined, but unsandboxed_irt.c does not itself use
               # any of these macros, so defining NACL_LINUX here even on
               # non-Linux systems is OK.
               # TODO(dschuff): this include path breaks the input encapsulation
               # for build rules.
               command.Command([
                   'gcc', '-m32', '-O2', '-Wall', '-Werror',
                   '-I%(top_srcdir)s/..', '-DNACL_LINUX=1',
-                  '-c', command.path.join('%(support)s', 'unsandboxed_irt.c'),
+                  '-c', command.path.join('%(support)s', 'irt_interfaces.c'),
                   '-o', command.path.join('%(output)s', 'unsandboxed_irt.o')]),
           ],
       },
   }
   return libs