Use object pool for runtime calls.

runtime/vm/assembler_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"  // NOLINT
 #if defined(TARGET_ARCH_MIPS)
 
 #include "vm/assembler.h"
 #include "vm/longjump.h"
 #include "vm/runtime_entry.h"
@@ skipping 460 matching lines @@
   } else {
     // Make sure that class CallPattern is able to decode this load from the
     // object pool.
     const int32_t offset =
         ObjectPool::element_offset(object_pool_wrapper_.FindObject(object));
     LoadWordFromPoolOffset(rd, offset - kHeapObjectTag);
   }
 }
 
 
+void Assembler::LoadExternalLabel(Register rd,
+                                  const ExternalLabel* label,
+                                  Patchability patchable) {
+  const int32_t offset = ObjectPool::element_offset(
+      object_pool_wrapper_.FindExternalLabel(label, patchable));
+  LoadWordFromPoolOffset(rd, offset - kHeapObjectTag);
+}
+
+
 void Assembler::PushObject(const Object& object) {
   ASSERT(!in_delay_slot_);
   LoadObject(TMP, object);
   Push(TMP);
 }
 
 
 // Preserves object and value registers.
 void Assembler::StoreIntoObjectFilterNoSmi(Register object,
                                            Register value,
@@ skipping 236 matching lines @@
 void Assembler::LeaveFrameAndReturn() {
   ASSERT(!in_delay_slot_);
   mov(SP, FP);
   lw(RA, Address(SP, 1 * kWordSize));
   lw(FP, Address(SP, 0 * kWordSize));
   Ret();
   delay_slot()->addiu(SP, SP, Immediate(2 * kWordSize));
 }
 
 
-void Assembler::EnterStubFrame(bool load_pp) {
+void Assembler::EnterStubFrame() {
   ASSERT(!in_delay_slot_);
   SetPrologueOffset();
   addiu(SP, SP, Immediate(-4 * kWordSize));
   sw(ZR, Address(SP, 3 * kWordSize));  // PC marker is 0 in stubs.
   sw(RA, Address(SP, 2 * kWordSize));
   sw(FP, Address(SP, 1 * kWordSize));
   sw(PP, Address(SP, 0 * kWordSize));
   addiu(FP, SP, Immediate(1 * kWordSize));
-  if (load_pp) {
-    // Setup pool pointer for this stub.
-    LoadPoolPointer();
-  }
+  // Setup pool pointer for this stub.
+  LoadPoolPointer();
 }
 
 
 void Assembler::LeaveStubFrame() {
   ASSERT(!in_delay_slot_);
   addiu(SP, FP, Immediate(-1 * kWordSize));
   lw(RA, Address(SP, 2 * kWordSize));
   lw(FP, Address(SP, 1 * kWordSize));
   lw(PP, Address(SP, 0 * kWordSize));
   addiu(SP, SP, Immediate(4 * kWordSize));
@@ skipping 451 matching lines @@
   Label stop;
   b(&stop);
   Emit(reinterpret_cast<int32_t>(message));
   Bind(&stop);
   break_(Instr::kStopMessageCode);
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS