Update Assembler::TryAllocate to support inline allocation tracing

runtime/vm/assembler_x64.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_ASSEMBLER_X64_H_
 #define VM_ASSEMBLER_X64_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_x64.h directly; use assembler.h instead.
 #endif
@@ skipping 976 matching lines @@
   void UpdateAllocationStats(intptr_t cid,
                              Heap::Space space);
 
   void UpdateAllocationStatsWithSize(intptr_t cid,
                                      Register size_reg,
                                      Heap::Space space);
   void UpdateAllocationStatsWithSize(intptr_t cid,
                                      intptr_t instance_size,
                                      Heap::Space space);
 
+  // If allocation tracing for |cid| is enabled, will jump to |trace| label,
+  // which will allocate in the runtime where tracing occurs.
+  void MaybeTraceAllocation(intptr_t cid,
+                            Label* trace,
+                            bool near_jump);
+
   // Inlined allocation of an instance of class 'cls', code has no runtime
   // calls. Jump to 'failure' if the instance cannot be allocated here.
   // Allocated instance is returned in 'instance_reg'.
   // Only the tags field of the object is initialized.
   // Loads large immediates from the object pool with pool pointer in PP if it
   // is not kNoRegister
   void TryAllocate(const Class& cls,
                    Label* failure,
                    bool near_jump,
                    Register instance_reg,
@@ skipping 115 matching lines @@
   void VerifiedWrite(const Address& dest,
                      Register value,
                      FieldContent old_content);
   // Unaware of write barrier (use StoreInto* methods for storing to objects).
   void MoveImmediate(const Address& dst, const Immediate& imm, Register pp);
 
   void ComputeCounterAddressesForCid(intptr_t cid,
                                      Heap::Space space,
                                      Address* count_address,
                                      Address* size_address);
+  void ComputeHeapStatsStateAddressForCid(intptr_t cid,
+                                          Address* state_address);
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 
 inline void Assembler::EmitUint8(uint8_t value) {
   buffer_.Emit<uint8_t>(value);
 }
 
 
@@ skipping 63 matching lines @@
 }
 
 
 inline void Assembler::EmitOperandSizeOverride() {
   EmitUint8(0x66);
 }
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_X64_H_