Use object pool for runtime calls.

runtime/vm/assembler_arm.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_ARM)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/longjump.h"
@@ skipping 1563 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, cond);
   }
 }
 
 
+void Assembler::LoadExternalLabel(Register rd,
+                                  const ExternalLabel* label,
+                                  Patchability patchable,
+                                  Condition cond) {
+  const int32_t offset = ObjectPool::element_offset(
+      object_pool_wrapper_.FindExternalLabel(label, patchable));
+  LoadWordFromPoolOffset(rd, offset - kHeapObjectTag, cond);
+}
+
+
 void Assembler::PushObject(const Object& object) {
   LoadObject(IP, object);
   Push(IP);
 }
 
 
 void Assembler::CompareObject(Register rn, const Object& object) {
   ASSERT(rn != IP);
   if (object.IsSmi()) {
     CompareImmediate(rn, reinterpret_cast<int32_t>(object.raw()));
@@ skipping 1054 matching lines @@
   bx(IP);
 }
 
 
 void Assembler::BranchLink(const ExternalLabel* label) {
   LoadImmediate(LR, label->address());  // Target address is never patched.
   blx(LR);  // Use blx instruction so that the return branch prediction works.
 }
 
 
-void Assembler::BranchLinkPatchable(const ExternalLabel* label) {
+void Assembler::BranchLink(const ExternalLabel* label, Patchability patchable) {
   // Make sure that class CallPattern is able to patch the label referred
   // to by this code sequence.
   // For added code robustness, use 'blx lr' in a patchable sequence and
   // use 'blx ip' in a non-patchable sequence (see other BranchLink flavors).
   const int32_t offset = ObjectPool::element_offset(
-      object_pool_wrapper_.FindExternalLabel(label, kPatchable));
+      object_pool_wrapper_.FindExternalLabel(label, patchable));
   LoadWordFromPoolOffset(LR, offset - kHeapObjectTag);
   blx(LR);  // Use blx instruction so that the return branch prediction works.
 }
 
 
+void Assembler::BranchLinkPatchable(const ExternalLabel* label) {
+  BranchLink(label, kPatchable);
+}
+
+
 void Assembler::BranchLinkOffset(Register base, int32_t offset) {
   ASSERT(base != PC);
   ASSERT(base != IP);
   LoadFromOffset(kWord, IP, base, offset);
   blx(IP);  // Use blx instruction so that the return branch prediction works.
 }
 
 
 void Assembler::LoadPatchableImmediate(
     Register rd, int32_t value, Condition cond) {
@@ skipping 595 matching lines @@
 }
 
 
 void Assembler::LeaveDartFrame() {
   LeaveFrame((1 << PP) | (1 << FP) | (1 << LR));
   // Adjust SP for PC pushed in EnterDartFrame.
   AddImmediate(SP, kWordSize);
 }
 
 
-void Assembler::EnterStubFrame(bool load_pp) {
+void Assembler::EnterStubFrame() {
   // Push 0 as saved PC for stub frames.
   mov(IP, Operand(LR));
   mov(LR, Operand(0));
   RegList regs = (1 << PP) | (1 << FP) | (1 << IP) | (1 << LR);
   EnterFrame(regs, 0);
-  if (load_pp) {
-    // Setup pool pointer for this stub.
-    LoadPoolPointer();
-  }
+  // Setup pool pointer for this stub.
+  LoadPoolPointer();
 }
 
 
 void Assembler::LeaveStubFrame() {
   LeaveFrame((1 << PP) | (1 << FP) | (1 << LR));
   // Adjust SP for null PC pushed in EnterStubFrame.
   AddImmediate(SP, kWordSize);
 }
 
 
@@ skipping 264 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters));
   return fpu_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM