src/hotspot/share/oops/compiledICHolder.hpp

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -25,10 +25,12 @@
 #ifndef SHARE_VM_OOPS_COMPILEDICHOLDEROOP_HPP
 #define SHARE_VM_OOPS_COMPILEDICHOLDEROOP_HPP
 
 #include "oops/oop.hpp"
 #include "utilities/macros.hpp"
+#include "oops/klass.hpp"
+#include "oops/method.hpp"
 
 // A CompiledICHolder* is a helper object for the inline cache implementation.
 // It holds:
 //   (1) (method+klass pair) when converting from compiled to an interpreted call
 //   (2) (klass+klass pair) when calling itable stub from megamorphic compiled call

@@ -47,14 +49,15 @@
                                                // reachable by iterating over nmethods
 
   Metadata* _holder_metadata;
   Klass*    _holder_klass;    // to avoid name conflict with oopDesc::_klass
   CompiledICHolder* _next;
+  bool _is_metadata_method;
 
  public:
   // Constructor
-  CompiledICHolder(Metadata* metadata, Klass* klass);
+  CompiledICHolder(Metadata* metadata, Klass* klass, bool is_method = true);
   ~CompiledICHolder() NOT_DEBUG_RETURN;
 
   static int live_count() { return _live_count; }
   static int live_not_claimed_count() { return _live_not_claimed_count; }
 

@@ -69,11 +72,20 @@
   static int holder_klass_offset()    { return offset_of(CompiledICHolder, _holder_klass); }
 
   CompiledICHolder* next()     { return _next; }
   void set_next(CompiledICHolder* n) { _next = n; }
 
-  bool is_loader_alive(BoolObjectClosure* is_alive);
+  inline bool is_loader_alive(BoolObjectClosure* is_alive) {
+    Klass* k = _is_metadata_method ? ((Method*)_holder_metadata)->method_holder() : (Klass*)_holder_metadata;
+    if (!k->is_loader_alive(is_alive)) {
+      return false;
+    }
+    if (!_holder_klass->is_loader_alive(is_alive)) {
+      return false;
+    }
+    return true;
+  }
 
   // Verify
   void verify_on(outputStream* st);
 
   // Printing