Use object pool for runtime calls.

runtime/vm/assembler_arm.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_ARM_H_
 #define VM_ASSEMBLER_ARM_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm.h directly; use assembler.h instead.
 #endif
@@ skipping 597 matching lines @@
   // Macros.
   // Branch to an entry address. Call sequence is never patched.
   void Branch(const ExternalLabel* label, Condition cond = AL);
 
   // Branch to an entry address. Call sequence can be patched or even replaced.
   void BranchPatchable(const ExternalLabel* label);
 
   // Branch and link to an entry address. Call sequence is never patched.
   void BranchLink(const ExternalLabel* label);
 
+  void BranchLink(const ExternalLabel* label, Patchability patchable);
+
   // Branch and link to an entry address. Call sequence can be patched.
   void BranchLinkPatchable(const ExternalLabel* label);
 
   // Branch and link to [base + offset]. Call sequence is never patched.
   void BranchLinkOffset(Register base, int32_t offset);
 
   // Add signed immediate value to rd. May clobber IP.
   void AddImmediate(Register rd, int32_t value, Condition cond = AL);
   void AddImmediate(Register rd, Register rn, int32_t value,
                     Condition cond = AL);
@@ skipping 29 matching lines @@
 
   void MarkExceptionHandler(Label* label);
 
   void Drop(intptr_t stack_elements);
 
   void LoadPoolPointer();
 
   void LoadIsolate(Register rd);
 
   void LoadObject(Register rd, const Object& object, Condition cond = AL);
+  void LoadExternalLabel(Register dst,
+                         const ExternalLabel* label,
+                         Patchability patchable,
+                         Condition cond = AL);
   void PushObject(const Object& object);
   void CompareObject(Register rn, const Object& object);
 
   // When storing into a heap object field, knowledge of the previous content
   // is expressed through these constants.
   enum FieldContent {
     kEmptyOrSmiOrNull,  // Empty = garbage/zapped in release/debug mode.
     kHeapObjectOrSmi,
     kOnlySmi,
   };
@@ skipping 202 matching lines @@
   void EnterDartFrame(intptr_t frame_size);
   void LeaveDartFrame();
 
   // Set up a Dart frame for a function compiled for on-stack replacement.
   // The frame layout is a normal Dart frame, but the frame is partially set
   // up on entry (it is the frame of the unoptimized code).
   void EnterOsrFrame(intptr_t extra_size);
 
   // Set up a stub frame so that the stack traversal code can easily identify
   // a stub frame.
-  void EnterStubFrame(bool load_pp = false);
+  void EnterStubFrame();
   void LeaveStubFrame();
 
   // Instruction pattern from entrypoint is used in Dart frame prologs
   // to set up the frame and save a PC which can be used to figure out the
   // RawInstruction object corresponding to the code running in the frame.
   static intptr_t EntryPointToPcMarkerOffset() {
     return TargetCPUFeatures::store_pc_read_offset();
   }
 
   // The register into which the allocation stats table is loaded with
@@ skipping 222 matching lines @@
                      Register new_value,
                      FieldContent old_content);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_