mirror of
https://github.com/openjdk/jdk.git
synced 2026-03-09 07:35:49 +00:00
102 lines
4.0 KiB
C++
102 lines
4.0 KiB
C++
/*
|
|
* Copyright (c) 2021, 2026, 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.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*
|
|
*/
|
|
|
|
#include "cds/aotCompressedPointers.hpp"
|
|
#include "cds/archiveBuilder.hpp"
|
|
#include "cds/dumpTimeClassInfo.hpp"
|
|
#include "cds/runTimeClassInfo.hpp"
|
|
#include "classfile/systemDictionaryShared.hpp"
|
|
|
|
void RunTimeClassInfo::init(DumpTimeClassInfo& info) {
|
|
InstanceKlass* k = info._klass;
|
|
_klass = AOTCompressedPointers::encode_not_null(k);
|
|
|
|
if (!SystemDictionaryShared::is_builtin(k)) {
|
|
CrcInfo* c = crc();
|
|
c->_clsfile_size = info._clsfile_size;
|
|
c->_clsfile_crc32 = info._clsfile_crc32;
|
|
}
|
|
_num_verifier_constraints = info.num_verifier_constraints();
|
|
_num_loader_constraints = info.num_loader_constraints();
|
|
int i;
|
|
|
|
if (CDSConfig::is_preserving_verification_constraints()) {
|
|
// The production run doesn't need the verifier constraints, as we can guarantee that all classes checked by
|
|
// the verifier during AOT training/assembly phases cannot be replaced in the production run.
|
|
_num_verifier_constraints = 0;
|
|
}
|
|
if (_num_verifier_constraints > 0) {
|
|
RTVerifierConstraint* vf_constraints = verifier_constraints();
|
|
char* flags = verifier_constraint_flags();
|
|
for (i = 0; i < _num_verifier_constraints; i++) {
|
|
vf_constraints[i]._name = AOTCompressedPointers::encode_not_null(info._verifier_constraints->at(i).name());
|
|
vf_constraints[i]._from_name = AOTCompressedPointers::encode(info._verifier_constraints->at(i).from_name());
|
|
}
|
|
for (i = 0; i < _num_verifier_constraints; i++) {
|
|
flags[i] = info._verifier_constraint_flags->at(i);
|
|
}
|
|
}
|
|
|
|
if (_num_loader_constraints > 0) {
|
|
RTLoaderConstraint* ld_constraints = loader_constraints();
|
|
for (i = 0; i < _num_loader_constraints; i++) {
|
|
ld_constraints[i]._name = AOTCompressedPointers::encode_not_null(info._loader_constraints->at(i).name());
|
|
ld_constraints[i]._loader_type1 = info._loader_constraints->at(i).loader_type1();
|
|
ld_constraints[i]._loader_type2 = info._loader_constraints->at(i).loader_type2();
|
|
}
|
|
}
|
|
|
|
if (k->is_hidden() && info.nest_host() != nullptr) {
|
|
_nest_host = AOTCompressedPointers::encode_not_null(info.nest_host());
|
|
}
|
|
if (k->has_archived_enum_objs()) {
|
|
int num = info.num_enum_klass_static_fields();
|
|
set_num_enum_klass_static_fields(num);
|
|
for (int i = 0; i < num; i++) {
|
|
int root_index = info.enum_klass_static_field(i);
|
|
set_enum_klass_static_field_root_index_at(i, root_index);
|
|
}
|
|
}
|
|
}
|
|
|
|
InstanceKlass* RunTimeClassInfo::klass() const {
|
|
if (AOTMetaspace::in_aot_cache(this)) {
|
|
// <this> is inside a mmaped CDS archive.
|
|
return AOTCompressedPointers::decode_not_null<InstanceKlass*>(_klass);
|
|
} else {
|
|
// <this> is a temporary copy of a RunTimeClassInfo that's being initialized
|
|
// by the ArchiveBuilder.
|
|
size_t byte_offset = AOTCompressedPointers::get_byte_offset(_klass);
|
|
return ArchiveBuilder::current()->offset_to_buffered<InstanceKlass*>(byte_offset);
|
|
}
|
|
}
|
|
|
|
size_t RunTimeClassInfo::crc_size(InstanceKlass* klass) {
|
|
if (!SystemDictionaryShared::is_builtin(klass)) {
|
|
return sizeof(CrcInfo);
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|