Serializer: serialize internal references via object visitor.

src/assembler.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 893 matching lines @@
       // convert inline target address to code object
       Address addr = target_address();
       CHECK(addr != NULL);
       // Check that we can find the right code object.
       Code* code = Code::GetCodeFromTargetAddress(addr);
       Object* found = isolate->FindCodeObject(addr);
       CHECK(found->IsCode());
       CHECK(code->address() == HeapObject::cast(found)->address());
       break;
     }
+    case INTERNAL_REFERENCE:
+    case INTERNAL_REFERENCE_ENCODED: {
+      Address target = target_internal_reference();
+      Address pc = target_internal_reference_address();
+      Code* code = Code::cast(isolate->FindCodeObject(pc));
+      CHECK(target >= code->instruction_start());
+      CHECK(target <= code->instruction_end());
+      break;
+    }
     case RUNTIME_ENTRY:
     case JS_RETURN:
     case COMMENT:
     case POSITION:
     case STATEMENT_POSITION:
     case EXTERNAL_REFERENCE:
-    case INTERNAL_REFERENCE:
-    case INTERNAL_REFERENCE_ENCODED:
     case DEOPT_REASON:
     case CONST_POOL:
     case VENEER_POOL:
     case DEBUG_BREAK_SLOT:
     case NONE32:
     case NONE64:
       break;
     case NUMBER_OF_MODES:
       UNREACHABLE();
       break;
@@ skipping 723 matching lines @@
   RecordRelocInfo(RelocInfo::JS_RETURN);
 }
 
 
 void Assembler::RecordDebugBreakSlot() {
   positions_recorder()->WriteRecordedPositions();
   EnsureSpace ensure_space(this);
   RecordRelocInfo(RelocInfo::DEBUG_BREAK_SLOT);
 }
 } }  // namespace v8::internal