VM: Load common VM constants from Thread on ARM and MIPS.

runtime/vm/thread.cc

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/thread.h"
 
 #include "vm/isolate.h"
 #include "vm/object.h"
 #include "vm/os_thread.h"
 #include "vm/profiler.h"
@@ skipping 52 matching lines @@
   }
   SetCurrent(NULL);
 }
 #endif
 
 
 Thread::Thread(bool init_vm_constants)
     : isolate_(NULL),
       store_buffer_block_(NULL) {
 #define DEFAULT_INIT(type_name, member_name, init_expr, default_init_value)    \
-    member_name = default_init_value;
+  member_name = default_init_value;
 CACHED_CONSTANTS_LIST(DEFAULT_INIT)
 #undef DEFAULT_INIT
   if (init_vm_constants) {
     InitVMConstants();
   }
 }
 
 
 void Thread::InitVMConstants() {
+#define ASSERT_VM_HEAP(type_name, member_name, init_expr, default_init_value)  \
+  ASSERT((init_expr)->IsOldObject());
+CACHED_VM_OBJECTS_LIST(ASSERT_VM_HEAP)
+#undef ASSERT_VM_HEAP
+
 #define INIT_VALUE(type_name, member_name, init_expr, default_init_value)      \
   ASSERT(member_name == default_init_value);                                   \
-  member_name = init_expr;
+  member_name = (init_expr);
 CACHED_CONSTANTS_LIST(INIT_VALUE)
 #undef INIT_VALUE
 }
 
 
 void Thread::EnterIsolate(Isolate* isolate) {
   Thread* thread = Thread::Current();
   ASSERT(thread != NULL);
   ASSERT(thread->isolate() == NULL);
   ASSERT(isolate->mutator_thread() == NULL);
@@ skipping 112 matching lines @@
 #define CHECK_OBJECT(type_name, member_name, expr, default_init_value)         \
   if (object.raw() == expr) return true;
 CACHED_VM_OBJECTS_LIST(CHECK_OBJECT)
 #undef CHECK_OBJECT
   return false;
 }
 
 
 intptr_t Thread::OffsetFromThread(const Object& object) {
 #define COMPUTE_OFFSET(type_name, member_name, expr, default_init_value)       \
+  ASSERT((expr)->IsVMHeapObject());                                            \
   if (object.raw() == expr) return Thread::member_name##offset();
 CACHED_VM_OBJECTS_LIST(COMPUTE_OFFSET)
 #undef COMPUTE_OFFSET
   UNREACHABLE();
   return -1;
 }
 
 }  // namespace dart