src/share/vm/oops/compiledICHolder.hpp
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 1998, 2017, 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.
@@ -24,10 +24,12 @@
#ifndef SHARE_VM_OOPS_COMPILEDICHOLDEROOP_HPP
#define SHARE_VM_OOPS_COMPILEDICHOLDEROOP_HPP
#include "oops/oop.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
@@ -46,15 +48,16 @@
// 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)
- : _holder_metadata(metadata), _holder_klass(klass) {
+ CompiledICHolder(Metadata* metadata, Klass* klass, bool is_method = true)
+ : _holder_metadata(metadata), _holder_klass(klass), _is_metadata_method(is_method) {
#ifdef ASSERT
Atomic::inc(&_live_count);
Atomic::inc(&_live_not_claimed_count);
#endif
}
@@ -80,11 +83,20 @@
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