src/share/vm/oops/compiledICHolder.hpp
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*** 1,7 ****
/*
! * Copyright (c) 1998, 2017, 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.
--- 1,7 ----
/*
! * 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.
*** 24,33 ****
--- 24,35 ----
#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
*** 46,60 ****
// reachable by iterating over nmethods
Metadata* _holder_metadata;
Klass* _holder_klass; // to avoid name conflict with oopDesc::_klass
CompiledICHolder* _next;
public:
// Constructor
! CompiledICHolder(Metadata* metadata, Klass* klass)
! : _holder_metadata(metadata), _holder_klass(klass) {
#ifdef ASSERT
Atomic::inc(&_live_count);
Atomic::inc(&_live_not_claimed_count);
#endif
}
--- 48,63 ----
// 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, 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
}
*** 80,90 ****
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);
// Verify
void verify_on(outputStream* st);
// Printing
--- 83,102 ----
static int holder_klass_offset() { return offset_of(CompiledICHolder, _holder_klass); }
CompiledICHolder* next() { return _next; }
void set_next(CompiledICHolder* n) { _next = n; }
! 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