Add IRT interface for PNaCl's sandboxed linker to use to talk to Chromium

src/untrusted/irt/nacl.scons

 # -*- python -*-
 # Copyright (c) 2012 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.
 
 
 Import('env')
 
 # This module shouldn't be built in an environment that uses glibc.
 if env.Bit('nacl_glibc'):
@@ skipping 26 matching lines @@
     'irt_cond.c',
     'irt_sem.c',
     'irt_tls.c',
     'irt_blockhook.c',
     'irt_clock.c',
     'irt_dev_getpid.c',
     'irt_exception_handling.c',
     'irt_dev_list_mappings.c',
     'irt_random.c',
     'irt_core_resource.c',
+    'irt_pnacl_translator.c',
     ]
 
 # These are the objects and libraries that go into every IRT image.
 irt_support_objs = [blob_env.ComponentObject(x) for x in irt_support_sources]
 
 # We also get nc_init_private.c, nc_thread.c and nc_tsd.c via
 # #includes of .c files.
 irt_support_objs += [
     blob_env.ComponentObject(module,
                              '${MAIN_DIR}/src/untrusted/pthread/%s.c' % module)
     for module in ['nc_mutex',
                    'nc_condvar']]
 
 irt_support_objs += [
     blob_env.ComponentObject('sys_private',
                              '${MAIN_DIR}/src/untrusted/nacl/sys_private.c'),
     blob_env.ComponentObject(
         'dynamic_annotations.o',
         '${MAIN_DIR}/src/untrusted/valgrind/dynamic_annotations.c'),
     ]
 
 # Build a library so that irt_support_objs can be used in tests that
 # cover IRT-internal code.
 env.ComponentLibrary('libirt_support_private', irt_support_objs)
 
-irt_libs = ['platform', 'gio', 'm']
+irt_libs = ['srpc', 'imc_syscalls', 'platform', 'gio', 'm']
 
 irt_core_raw = blob_env.ComponentProgram(
     'irt_core_raw', irt_support_objs, EXTRA_LIBS=irt_libs)
 
 irt_core_nexe = blob_env.ApplyTLSEdit(
     'irt_core.nexe',
     irt_core_raw)
 
 irt_core_library = blob_env.Install('${STAGING_DIR}', irt_core_nexe)
 blob_env.Alias('irt_core', irt_core_library)
 blob_env.ComponentProgramAlias(irt_core_library)
 
 env.SDKInstallBin('irt_core.nexe', irt_core_library)