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112 lines
4.2 KiB
C++
112 lines
4.2 KiB
C++
/*
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* Copyright (c) 2023, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "cds/archiveBuilder.hpp"
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#include "oops/method.hpp"
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#include "oops/resolvedMethodEntry.hpp"
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bool ResolvedMethodEntry::check_no_old_or_obsolete_entry() {
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// return false if m refers to a non-deleted old or obsolete method
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if (_method != nullptr) {
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assert(_method->is_valid() && _method->is_method(), "m is a valid method");
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return !_method->is_old() && !_method->is_obsolete(); // old is always set for old and obsolete
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} else {
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return true;
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}
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}
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void ResolvedMethodEntry::reset_entry() {
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if (has_resolved_references_index()) {
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u2 saved_resolved_references_index = _entry_specific._resolved_references_index;
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u2 saved_cpool_index = _cpool_index;
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memset(this, 0, sizeof(*this));
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set_resolved_references_index(saved_resolved_references_index);
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_cpool_index = saved_cpool_index;
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} else {
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u2 saved_cpool_index = _cpool_index;
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memset(this, 0, sizeof(*this));
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_cpool_index = saved_cpool_index;
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}
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}
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#if INCLUDE_CDS
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void ResolvedMethodEntry::remove_unshareable_info() {
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reset_entry();
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}
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void ResolvedMethodEntry::mark_and_relocate(ConstantPool* src_cp) {
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if (_method == nullptr) {
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assert(bytecode2() == Bytecodes::_invokevirtual, "");
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} else {
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ArchiveBuilder::current()->mark_and_relocate_to_buffered_addr(&_method);
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}
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if (bytecode1() == Bytecodes::_invokeinterface) {
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ArchiveBuilder::current()->mark_and_relocate_to_buffered_addr(&_entry_specific._interface_klass);
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}
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}
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#endif
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void ResolvedMethodEntry::print_on(outputStream* st) const {
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st->print_cr("Method Entry:");
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if (method() != nullptr) {
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st->print_cr(" - Method: " INTPTR_FORMAT " %s", p2i(method()), method()->external_name());
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} else {
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st->print_cr("- Method: null");
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}
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// Some fields are mutually exclusive and are only used by certain invoke codes
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if (bytecode1() == Bytecodes::_invokeinterface && interface_klass() != nullptr) {
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st->print_cr(" - Klass: " INTPTR_FORMAT " %s", p2i(interface_klass()), interface_klass()->external_name());
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} else {
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st->print_cr("- Klass: null");
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}
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if (bytecode1() == Bytecodes::_invokehandle) {
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st->print_cr(" - Resolved References Index: %d", resolved_references_index());
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} else {
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st->print_cr(" - Resolved References Index: none");
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}
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if (bytecode2() == Bytecodes::_invokevirtual) {
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#ifdef ASSERT
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if (_has_table_index) {
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st->print_cr(" - Table Index: %d", table_index());
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}
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#else
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st->print_cr(" - Table Index: %d", table_index());
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#endif
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} else {
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st->print_cr(" - Table Index: none");
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}
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st->print_cr(" - CP Index: %d", constant_pool_index());
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st->print_cr(" - TOS: %s", type2name(as_BasicType((TosState)tos_state())));
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st->print_cr(" - Number of Parameters: %d", number_of_parameters());
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st->print_cr(" - Is Virtual Final: %d", is_vfinal());
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st->print_cr(" - Is Final: %d", is_final());
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st->print_cr(" - Is Forced Virtual: %d", is_forced_virtual());
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st->print_cr(" - Has Appendix: %d", has_appendix());
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st->print_cr(" - Has Local Signature: %d", has_local_signature());
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st->print_cr(" - Bytecode 1: %s", Bytecodes::name((Bytecodes::Code)bytecode1()));
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st->print_cr(" - Bytecode 2: %s", Bytecodes::name((Bytecodes::Code)bytecode2()));
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}
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