Port some more code to x64

syzygy/agent/common/common.gyp

 # Copyright 2012 Google Inc. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #      http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 17 matching lines @@
         'dll_notifications.cc',
         'dll_notifications.h',
         'entry_frame.h',
         'hot_patcher.cc',
         'hot_patcher.h',
         'process_utils.cc',
         'process_utils.h',
         'scoped_last_error_keeper.h',
         'stack_capture.cc',
         'stack_capture.h',
-        'stack_walker_x86.cc',
-        'stack_walker_x86.h',
         'thread_state.cc',
         'thread_state.h',
       ],
       'dependencies': [
         '<(src)/syzygy/common/common.gyp:common_lib',
         '<(src)/syzygy/common/rpc/rpc.gyp:common_rpc_lib',
         '<(src)/syzygy/pe/pe.gyp:test_dll',
         '<(src)/syzygy/trace/client/client.gyp:rpc_client_lib',
         '<(src)/syzygy/trace/rpc/rpc.gyp:call_trace_rpc_lib',
       ],
+      'conditions': [
+        ['target_arch == "x64"', {
+          'sources': [
+            'stack_walker.cc',
+            'stack_walker.h',
+          ]
+        }, {
+          'sources': [
+            'stack_walker_x86.cc',
+            'stack_walker_x86.h',
+          ]
+        }]
+      ],
     },
     {
       'target_name': 'agent_common_unittests',
       'type': 'executable',
       'sources': [
         'dlist_unittest.cc',
         'dll_notifications_unittest.cc',
         'hot_patcher_unittest.cc',
         'process_utils_unittest.cc',
         'stack_capture_unittest.cc',
@@ skipping 11 matching lines @@
         '<(src)/syzygy/trace/service/service.gyp:call_trace_service_exe',
         '<(src)/testing/gtest.gyp:gtest',
         '<(src)/testing/gmock.gyp:gmock',
       ],
       'libraries': [
         'imagehlp.lib',
       ],
     },
   ],
 }