Pass new pool pointer to the JumpToException stub instead of reloading in through the frame's Code …

runtime/vm/stack_frame.h

 // Copyright (c) 2011, 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_STACK_FRAME_H_
 #define VM_STACK_FRAME_H_
 
 #include "vm/allocation.h"
 #include "vm/object.h"
 #include "vm/stub_code.h"
@@ skipping 42 matching lines @@
 
   void set_pc(uword value) {
     *reinterpret_cast<uword*>(sp() + (kSavedPcSlotFromSp * kWordSize)) = value;
   }
 
   void set_pc_marker(RawCode* code) {
     *reinterpret_cast<RawCode**>(fp() + (kPcMarkerSlotFromFp * kWordSize)) =
         code;
   }
 
+#if !defined(TARGET_ARCH_IA32) && !defined(TARGET_ARCH_DBC)
+  uword* saved_caller_pp_slot() const {
+    return reinterpret_cast<uword*>(fp() +
+      SavedCallerPpSlotFromFp() * kWordSize);
+  }
+  uword saved_caller_pp() const {

[Florian Schneider, 2016/09/28 01:30:36]

Since you store the slot, this getter would not needed anymore.

[rmacnak, 2016/09/28 17:15:56]

Done.

+    return *saved_caller_pp_slot();
+  }
+#endif
+
   // Visit objects in the frame.
   virtual void VisitObjectPointers(ObjectPointerVisitor* visitor);
 
   const char* ToCString() const;
 
   // Check validity of a frame, used for assertion purposes.
   virtual bool IsValid() const;
 
   // Frame type.
   virtual bool IsDartFrame(bool validate = true) const {
@@ skipping 299 matching lines @@
 
 
 DART_FORCE_INLINE static uword LocalVarAddress(uword fp, intptr_t index) {
   return fp + LocalVarIndex(0, index) * kWordSize;
 }
 
 
 }  // namespace dart
 
 #endif  // VM_STACK_FRAME_H_