Implement catch on ARM.

runtime/vm/flow_graph_compiler_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"  // Needed here to get TARGET_ARCH_ARM.
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "lib/error.h"
@@ skipping 678 matching lines @@
   if (CanOptimizeFunction() && function.is_optimizable()) {
     const bool can_optimize = !is_optimizing() || may_reoptimize();
     const Register function_reg = R6;
     if (can_optimize) {
       // The pool pointer is not setup before entering the Dart frame.
 
       // Preserve PP of caller.
       __ mov(R7, ShifterOperand(PP));
 
       // Temporarily setup pool pointer for this dart function.
-      const intptr_t object_pool_pc_dist =
-         Instructions::HeaderSize() - Instructions::object_pool_offset() +
-         assembler()->CodeSize() + Instr::kPCReadOffset;
-      __ ldr(PP, Address(PC, -object_pool_pc_dist));
+      __ LoadPoolPointer();
 
       // Load function object from object pool.
       __ LoadObject(function_reg, function);  // Uses PP.
 
       // Restore PP of caller.
       __ mov(PP, ShifterOperand(R7));
     }
     // Patch point is after the eventually inlined function object.
     AddCurrentDescriptor(PcDescriptors::kEntryPatch,
                          Isolate::kNoDeoptId,
@@ skipping 606 matching lines @@
 void ParallelMoveResolver::RestoreFpuScratch(FpuRegister reg) {
   __ vldrd(reg, Address(SP, kDoubleSize, Address::PostIndex));
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM