1 /*
 2  * Copyright (c) 2023, 2025, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 #include "cds/archiveBuilder.hpp"
26 #include "cppstdlib/type_traits.hpp"
27 #include "oops/resolvedFieldEntry.hpp"
28 
29 static_assert(std::is_trivially_copyable_v<ResolvedFieldEntry>);
30 
31 // Detect inadvertently introduced trailing padding.
32 class ResolvedFieldEntryWithExtra : public ResolvedFieldEntry {
33   u1 _extra_field;
34 };
35 static_assert(sizeof(ResolvedFieldEntryWithExtra) > sizeof(ResolvedFieldEntry));
36 
37 void ResolvedFieldEntry::print_on(outputStream* st) const {
38   st->print_cr("Field Entry:");
39 
40   if (field_holder() != nullptr) {
41     st->print_cr(" - Holder: " INTPTR_FORMAT " %s", p2i(field_holder()), field_holder()->external_name());
42   } else {
43     st->print_cr("- Holder: null");
44   }
45   st->print_cr(" - Offset: %d", field_offset());
46   st->print_cr(" - Field Index: %d", field_index());
47   st->print_cr(" - CP Index: %d", constant_pool_index());
48   st->print_cr(" - TOS: %s", type2name(as_BasicType((TosState)tos_state())));
49   st->print_cr(" - Is Final: %d", is_final());
50   st->print_cr(" - Is Volatile: %d", is_volatile());
51   st->print_cr(" - Get Bytecode: %s", Bytecodes::name((Bytecodes::Code)get_code()));
52   st->print_cr(" - Put Bytecode: %s", Bytecodes::name((Bytecodes::Code)put_code()));
53 }
54 
55 #if INCLUDE_CDS
56 void ResolvedFieldEntry::remove_unshareable_info() {
57   *this = ResolvedFieldEntry(_cpool_index);
58 }
59 
60 void ResolvedFieldEntry::mark_and_relocate() {
61   ArchiveBuilder::current()->mark_and_relocate_to_buffered_addr(&_field_holder);
62 }
63 #endif