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