remove most uses of Isolate::Current in arch specific files

src/mark-compact.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3031 matching lines @@
       MapWord map_word = heap_object->map_word();
       if (map_word.IsForwardingAddress()) {
         return map_word.ToForwardingAddress();
       }
     }
     return object;
   }
 };
 
 
-static inline void UpdateSlot(ObjectVisitor* v,
+static inline void UpdateSlot(Isolate* isolate,
+                              ObjectVisitor* v,
                               SlotsBuffer::SlotType slot_type,
                               Address addr) {
   switch (slot_type) {
     case SlotsBuffer::CODE_TARGET_SLOT: {
       RelocInfo rinfo(addr, RelocInfo::CODE_TARGET, 0, NULL);
-      rinfo.Visit(v);
+      rinfo.Visit(isolate, v);
       break;
     }
     case SlotsBuffer::CODE_ENTRY_SLOT: {
       v->VisitCodeEntry(addr);
       break;
     }
     case SlotsBuffer::RELOCATED_CODE_OBJECT: {
       HeapObject* obj = HeapObject::FromAddress(addr);
       Code::cast(obj)->CodeIterateBody(v);
       break;
     }
     case SlotsBuffer::DEBUG_TARGET_SLOT: {
       RelocInfo rinfo(addr, RelocInfo::DEBUG_BREAK_SLOT, 0, NULL);
-      if (rinfo.IsPatchedDebugBreakSlotSequence()) rinfo.Visit(v);
+      if (rinfo.IsPatchedDebugBreakSlotSequence()) rinfo.Visit(isolate, v);
       break;
     }
     case SlotsBuffer::JS_RETURN_SLOT: {
       RelocInfo rinfo(addr, RelocInfo::JS_RETURN, 0, NULL);
-      if (rinfo.IsPatchedReturnSequence()) rinfo.Visit(v);
+      if (rinfo.IsPatchedReturnSequence()) rinfo.Visit(isolate, v);
       break;
     }
     case SlotsBuffer::EMBEDDED_OBJECT_SLOT: {
       RelocInfo rinfo(addr, RelocInfo::EMBEDDED_OBJECT, 0, NULL);
-      rinfo.Visit(v);
+      rinfo.Visit(isolate, v);
       break;
     }
     default:
       UNREACHABLE();
       break;
   }
 }
 
 
 enum SweepingMode {
@@ skipping 1166 matching lines @@
 void SlotsBuffer::UpdateSlots(Heap* heap) {
   PointersUpdatingVisitor v(heap);
 
   for (int slot_idx = 0; slot_idx < idx_; ++slot_idx) {
     ObjectSlot slot = slots_[slot_idx];
     if (!IsTypedSlot(slot)) {
       PointersUpdatingVisitor::UpdateSlot(heap, slot);
     } else {
       ++slot_idx;
       ASSERT(slot_idx < idx_);
-      UpdateSlot(&v,
+      UpdateSlot(heap->isolate(),
+                 &v,
                  DecodeSlotType(slot),
                  reinterpret_cast<Address>(slots_[slot_idx]));
     }
   }
 }
 
 
 void SlotsBuffer::UpdateSlotsWithFilter(Heap* heap) {
   PointersUpdatingVisitor v(heap);
 
   for (int slot_idx = 0; slot_idx < idx_; ++slot_idx) {
     ObjectSlot slot = slots_[slot_idx];
     if (!IsTypedSlot(slot)) {
       if (!IsOnInvalidatedCodeObject(reinterpret_cast<Address>(slot))) {
         PointersUpdatingVisitor::UpdateSlot(heap, slot);
       }
     } else {
       ++slot_idx;
       ASSERT(slot_idx < idx_);
       Address pc = reinterpret_cast<Address>(slots_[slot_idx]);
       if (!IsOnInvalidatedCodeObject(pc)) {
-        UpdateSlot(&v,
+        UpdateSlot(heap->isolate(),
+                   &v,
                    DecodeSlotType(slot),
                    reinterpret_cast<Address>(slots_[slot_idx]));
       }
     }
   }
 }
 
 
 SlotsBuffer* SlotsBufferAllocator::AllocateBuffer(SlotsBuffer* next_buffer) {
   return new SlotsBuffer(next_buffer);
@@ skipping 10 matching lines @@
   while (buffer != NULL) {
     SlotsBuffer* next_buffer = buffer->next();
     DeallocateBuffer(buffer);
     buffer = next_buffer;
   }
   *buffer_address = NULL;
 }
 
 
 } }  // namespace v8::internal