Enable allocation tracing for classes owned by vm isolate

runtime/vm/stub_code_mips.cc

 // Copyright (c) 2013, 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/globals.h"
 #if defined(TARGET_ARCH_MIPS)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
@@ skipping 932 matching lines @@
     // First compute the rounded instance size.
     // T1: number of context variables.
     intptr_t fixed_size = sizeof(RawContext) + kObjectAlignment - 1;
     __ LoadImmediate(T2, fixed_size);
     __ sll(T0, T1, 2);
     __ addu(T2, T2, T0);
     ASSERT(kSmiTagShift == 1);
     __ LoadImmediate(T0, ~((kObjectAlignment) - 1));
     __ and_(T2, T2, T0);
 
+    __ MaybeTraceAllocation(kContextCid, T4, &slow_case,
+                            /* inline_isolate = */ false);
     // Now allocate the object.
     // T1: number of context variables.
     // T2: object size.
     const intptr_t cid = kContextCid;
     Heap::Space space = Heap::SpaceForAllocation(cid);
     __ LoadIsolate(T5);
     __ lw(T5, Address(T5, Isolate::heap_offset()));
     __ lw(V0, Address(T5, Heap::TopOffset(space)));
     __ addu(T3, T2, V0);
 
@@ skipping 171 matching lines @@
   // kInlineInstanceSize is a constant used as a threshold for determining
   // when the object initialization should be done as a loop or as
   // straight line code.
   const int kInlineInstanceSize = 12;
   const intptr_t instance_size = cls.instance_size();
   ASSERT(instance_size > 0);
   if (is_cls_parameterized) {
     __ lw(T1, Address(SP, 0 * kWordSize));
     // T1: type arguments.
   }
+  Isolate* isolate = Isolate::Current();
   if (FLAG_inline_alloc && Heap::IsAllocatableInNewSpace(instance_size) &&
-      !cls.trace_allocation()) {
+      !cls.TraceAllocation(isolate)) {
     Label slow_case;
     // Allocate the object and update top to point to
     // next object start and initialize the allocated object.
     // T1: instantiated type arguments (if is_cls_parameterized).
     Heap::Space space = Heap::SpaceForAllocation(cls.id());
     __ lw(T5, Address(THR, Thread::heap_offset()));
     __ lw(T2, Address(T5, Heap::TopOffset(space)));
     __ LoadImmediate(T4, instance_size);
     __ addu(T3, T2, T4);
     // Check if the allocation fits into the remaining space.
@@ skipping 1112 matching lines @@
 // Result:
 //  T1: entry point.
 void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) {
   EmitMegamorphicLookup(assembler, T0, T1, T1);
   __ Ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS