/* * Copyright (c) 2018, 2022, 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. *
*/
inline oop ArchiveHeapLoader::decode_from_archive(narrowOop v) {
assert(!CompressedOops::is_null(v), "narrow oop value can never be zero");
assert(_narrow_oop_base_initialized, "relocation information must have been initialized");
uintptr_t p = ((uintptr_t)_narrow_oop_base) + ((uintptr_t)v << _narrow_oop_shift); if (p >= _dumptime_base_0) {
assert(p < _dumptime_top, "must be"); if (p >= _dumptime_base_3) {
p += _runtime_offset_3;
} elseif (p >= _dumptime_base_2) {
p += _runtime_offset_2;
} elseif (p >= _dumptime_base_1) {
p += _runtime_offset_1;
} else {
p += _runtime_offset_0;
}
}
oop result = cast_to_oop((uintptr_t)p);
assert(is_object_aligned(result), "address not aligned: " INTPTR_FORMAT, p2i((void*) result)); return result;
}
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