src/hotspot/share/oops/compiledICHolder.hpp

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*** 1,7 **** /* ! * Copyright (c) 1998, 2012, 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.
*** 25,34 **** --- 25,36 ---- #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
*** 47,60 **** // 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); ~CompiledICHolder() NOT_DEBUG_RETURN; static int live_count() { return _live_count; } static int live_not_claimed_count() { return _live_not_claimed_count; } --- 49,63 ---- // 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); ~CompiledICHolder() NOT_DEBUG_RETURN; static int live_count() { return _live_count; } static int live_not_claimed_count() { return _live_not_claimed_count; }
*** 69,79 **** 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 --- 72,91 ---- 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