1 /* 2 * Copyright (c) 2017, 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 #ifndef SHARE_VM_OOPS_INLINEKLASS_INLINE_HPP 25 #define SHARE_VM_OOPS_INLINEKLASS_INLINE_HPP 26 27 #include "oops/inlineKlass.hpp" 28 29 #include "memory/iterator.hpp" 30 #include "oops/flatArrayKlass.hpp" 31 #include "oops/instanceKlass.inline.hpp" 32 #include "oops/oop.inline.hpp" 33 #include "utilities/devirtualizer.inline.hpp" 34 #include "utilities/macros.hpp" 35 36 inline InlineKlassFixedBlock* InlineKlass::inlineklass_static_block() const { 37 38 InstanceKlass* volatile* adr_impl = adr_implementor(); 39 if (adr_impl != nullptr) { 40 return (InlineKlassFixedBlock*)(adr_impl + 1); 41 } 42 43 return (InlineKlassFixedBlock*)end_of_nonstatic_oop_maps(); 44 } 45 46 inline address InlineKlass::adr_return_regs() const { 47 InlineKlassFixedBlock* vkst = inlineklass_static_block(); 48 return ((address)_adr_inlineklass_fixed_block) + in_bytes(byte_offset_of(InlineKlassFixedBlock, _return_regs)); 49 } 50 51 inline Array<VMRegPair>* InlineKlass::return_regs() const { 52 return *((Array<VMRegPair>**)adr_return_regs()); 53 } 54 55 inline address InlineKlass::payload_addr(oop o) const { 56 return ((address) (void*) o) + payload_offset(); 57 } 58 59 template <typename T, class OopClosureType> 60 void InlineKlass::oop_iterate_specialized(const address oop_addr, OopClosureType* closure) { 61 OopMapBlock* map = start_of_nonstatic_oop_maps(); 62 OopMapBlock* const end_map = map + nonstatic_oop_map_count(); 63 64 for (; map < end_map; map++) { 65 T* p = (T*) (oop_addr + map->offset()); 66 T* const end = p + map->count(); 67 for (; p < end; ++p) { 68 Devirtualizer::do_oop(closure, p); 69 } 70 } 71 } 72 73 template <typename T, class OopClosureType> 74 inline void InlineKlass::oop_iterate_specialized_bounded(const address oop_addr, OopClosureType* closure, void* lo, void* hi) { 75 OopMapBlock* map = start_of_nonstatic_oop_maps(); 76 OopMapBlock* const end_map = map + nonstatic_oop_map_count(); 77 78 T* const l = (T*) lo; 79 T* const h = (T*) hi; 80 81 for (; map < end_map; map++) { 82 T* p = (T*) (oop_addr + map->offset()); 83 T* end = p + map->count(); 84 if (p < l) { 85 p = l; 86 } 87 if (end > h) { 88 end = h; 89 } 90 for (; p < end; ++p) { 91 Devirtualizer::do_oop(closure, p); 92 } 93 } 94 } 95 96 97 #endif // SHARE_VM_OOPS_INLINEKLASS_INLINE_HPP