DBC: CheckClassInstr

runtime/vm/deopt_instructions.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/deopt_instructions.h"
 
 #include "vm/assembler.h"
 #include "vm/code_patcher.h"
 #include "vm/compiler.h"
 #include "vm/intermediate_language.h"
@@ skipping 294 matching lines @@
   // right before control switches to the unoptimized code.
   const intptr_t num_materializations =
       DeoptInfo::NumMaterializations(deopt_instructions);
   PrepareForDeferredMaterialization(num_materializations);
   for (intptr_t from_index = 0, to_index = kDartFrameFixedSize;
        from_index < num_materializations;
        from_index++) {
     const intptr_t field_count =
         DeoptInstr::GetFieldCount(deopt_instructions[from_index]);
     intptr_t* args = GetDestFrameAddressAt(to_index);
+    // OS::PrintErr("FillDestFrame: num_materializations = %ld, from_index = %ld, to_index = %ld, field_count = %ld, args = %p\n",
+    //     num_materializations, from_index, to_index, field_count, args);
     DeferredObject* obj = new DeferredObject(field_count, args);
     SetDeferredObjectAt(from_index, obj);
     to_index += obj->ArgumentCount();
   }
 
   // Populate stack frames.
   for (intptr_t to_index = frame_size - 1, from_index = len - 1;
        to_index >= 0;
        to_index--, from_index--) {
     intptr_t* to_addr = GetDestFrameAddressAt(to_index);
@@ skipping 360 matching lines @@
   void Execute(DeoptContext* deopt_context, intptr_t* dest_addr) {
     Function& function = Function::Handle(deopt_context->zone());
     function ^= deopt_context->ObjectAt(object_table_index_);
     if (function.IsNull()) {
       *reinterpret_cast<RawObject**>(dest_addr) = deopt_context->is_lazy_deopt()
           ? StubCode::DeoptimizeLazy_entry()->code()
           : StubCode::Deoptimize_entry()->code();
       return;
     }
 
-#if !defined(TARGET_ARCH_DBC)
     // We don't always have the Code object for the frame's corresponding
     // unoptimized code as it may have been collected. Use a stub as the pc
     // marker until we can recreate that Code object during deferred
     // materialization to maintain the invariant that Dart frames always have
     // a pc marker.
     *reinterpret_cast<RawObject**>(dest_addr) =
         StubCode::FrameAwaitingMaterialization_entry()->code();
-#endif
     deopt_context->DeferPcMarkerMaterialization(object_table_index_, dest_addr);
   }
 
  private:
   intptr_t object_table_index_;
 
   DISALLOW_COPY_AND_ASSIGN(DeoptPcMarkerInstr);
 };
 
 
@@ skipping 628 matching lines @@
                           Smi* offset,
                           TypedData* info,
                           Smi* reason) {
   intptr_t i = index * kEntrySize;
   *offset ^= table.At(i);
   *info ^= table.At(i + 1);
   *reason ^= table.At(i + 2);
 }
 
 }  // namespace dart