Object pool with support for untagged entries.

runtime/vm/deopt_instructions.h

 // 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.
 
 #ifndef VM_DEOPT_INSTRUCTIONS_H_
 #define VM_DEOPT_INSTRUCTIONS_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
@@ skipping 36 matching lines @@
   }
 
   intptr_t GetSourceFp() const;
   intptr_t GetSourcePp() const;
   intptr_t GetSourcePc() const;
 
   intptr_t GetCallerFp() const;
   void SetCallerFp(intptr_t callers_fp);
 
   RawObject* ObjectAt(intptr_t index) const {
-    const Array& object_pool = Array::Handle(object_pool_);
-    return object_pool.At(index);
+    const ObjectPool& object_pool = ObjectPool::Handle(object_pool_);
+    return object_pool.ObjectAt(index);
   }
 
   intptr_t RegisterValue(Register reg) const {
     ASSERT(cpu_registers_ != NULL);
     ASSERT(reg >= 0);
     ASSERT(reg < kNumberOfCpuRegisters);
     return cpu_registers_[reg];
   }
 
   double FpuRegisterValue(FpuRegister reg) const {
@@ skipping 129 matching lines @@
   // Claims ownership of the memory for 'object'.
   void SetDeferredObjectAt(intptr_t idx, DeferredObject* object) {
     deferred_objects_[idx] = object;
   }
 
   intptr_t DeferredObjectsCount() const {
     return deferred_objects_count_;
   }
 
   RawCode* code_;
-  RawArray* object_pool_;
+  RawObjectPool* object_pool_;
   RawTypedData* deopt_info_;
   bool dest_frame_is_allocated_;
   intptr_t* dest_frame_;
   intptr_t dest_frame_size_;
   bool source_frame_is_allocated_;
   intptr_t* source_frame_;
   intptr_t source_frame_size_;
   intptr_t* cpu_registers_;
   fpu_register_t* fpu_registers_;
   intptr_t num_args_;
@@ skipping 61 matching lines @@
 
   virtual DeoptInstr::Kind kind() const = 0;
 
   bool Equals(const DeoptInstr& other) const {
     return (kind() == other.kind()) && (source_index() == other.source_index());
   }
 
   // Get the code and return address which is encoded in this
   // kRetAfterAddress deopt instruction.
   static uword GetRetAddress(DeoptInstr* instr,
-                             const Array& object_pool,
+                             const ObjectPool& object_pool,
                              Code* code);
 
   // Return number of initialized fields in the object that will be
   // materialized by kMaterializeObject instruction.
   static intptr_t GetFieldCount(DeoptInstr* instr) {
     ASSERT(instr->kind() == DeoptInstr::kMaterializeObject);
     return instr->source_index();
   }
 
  protected:
@@ skipping 232 matching lines @@
   class ReasonField : public BitField<ICData::DeoptReasonId, 0, 8> { };
   class FlagsField : public BitField<uint32_t, 8, 8> { };
 
  private:
   static const intptr_t kEntrySize = 3;
 };
 
 }  // namespace dart
 
 #endif  // VM_DEOPT_INSTRUCTIONS_H_