VM: Load allocation-top and -end via Thread.

runtime/vm/thread.h

Index: runtime/vm/thread.h
diff --git a/runtime/vm/thread.h b/runtime/vm/thread.h
index 2795e3cb4c4543d7f7e9949fc6cbb9e7cbbb5c7f..65a80c4c9dd288237596c8393d14e3360601f973 100644
--- a/runtime/vm/thread.h
+++ b/runtime/vm/thread.h
@@ -19,6 +19,8 @@ class RawBool;
 class RawObject;
 class StackResource;
 class Zone;
+class Heap;

[koda, 2015/07/29 19:48:20]

Sort.

[Florian Schneider, 2015/08/03 14:07:32]

Done.

+
 
 // List of VM-global objects/addresses cached in each Thread object.
 #define CACHED_VM_OBJECTS_LIST(V)                                              \
@@ -117,6 +119,10 @@ class Thread {
     return OFFSET_OF(Thread, state_) + OFFSET_OF(State, top_resource);
   }
 
+  static intptr_t heap_offset() {
+    return OFFSET_OF(Thread, heap_);
+  }
+
   int32_t no_handle_scope_depth() const {
 #if defined(DEBUG)
     return state_.no_handle_scope_depth;
@@ -202,6 +208,7 @@ CACHED_CONSTANTS_LIST(DEFINE_OFFSET_METHOD)
   static ThreadLocalKey thread_key_;
 
   Isolate* isolate_;
+  Heap* heap_;
   State state_;
   StoreBufferBlock* store_buffer_block_;
 #define DECLARE_MEMBERS(type_name, member_name, expr, default_init_value)      \