| /* |
| * Copyright (c) 2008, 2018, 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. |
| * |
| */ |
| |
| #ifndef OS_CPU_LINUX_ARM_VM_COPY_LINUX_ARM_INLINE_HPP |
| #define OS_CPU_LINUX_ARM_VM_COPY_LINUX_ARM_INLINE_HPP |
| |
| static void pd_conjoint_words(const HeapWord* from, HeapWord* to, size_t count) { |
| _Copy_conjoint_words(from, to, count * HeapWordSize); |
| } |
| |
| static void pd_disjoint_words(const HeapWord* from, HeapWord* to, size_t count) { |
| _Copy_disjoint_words(from, to, count * HeapWordSize); |
| } |
| |
| static void pd_disjoint_words_atomic(const HeapWord* from, HeapWord* to, size_t count) { |
| pd_disjoint_words(from, to, count); |
| } |
| |
| static void pd_aligned_conjoint_words(const HeapWord* from, HeapWord* to, size_t count) { |
| pd_conjoint_words(from, to, count); |
| } |
| |
| static void pd_aligned_disjoint_words(const HeapWord* from, HeapWord* to, size_t count) { |
| pd_disjoint_words(from, to, count); |
| } |
| |
| static void pd_conjoint_bytes(const void* from, void* to, size_t count) { |
| memmove(to, from, count); |
| } |
| |
| static void pd_conjoint_bytes_atomic(const void* from, void* to, size_t count) { |
| pd_conjoint_bytes(from, to, count); |
| } |
| |
| static void pd_conjoint_jshorts_atomic(const jshort* from, jshort* to, size_t count) { |
| _Copy_conjoint_jshorts_atomic(from, to, count * BytesPerShort); |
| } |
| |
| static void pd_conjoint_jints_atomic(const jint* from, jint* to, size_t count) { |
| #ifdef AARCH64 |
| _Copy_conjoint_jints_atomic(from, to, count * BytesPerInt); |
| #else |
| assert(HeapWordSize == BytesPerInt, "heapwords and jints must be the same size"); |
| // pd_conjoint_words is word-atomic in this implementation. |
| pd_conjoint_words((const HeapWord*)from, (HeapWord*)to, count); |
| #endif |
| } |
| |
| static void pd_conjoint_jlongs_atomic(const jlong* from, jlong* to, size_t count) { |
| #ifdef AARCH64 |
| assert(HeapWordSize == BytesPerLong, "64-bit architecture"); |
| pd_conjoint_words((const HeapWord*)from, (HeapWord*)to, count); |
| #else |
| _Copy_conjoint_jlongs_atomic(from, to, count * BytesPerLong); |
| #endif |
| } |
| |
| static void pd_conjoint_oops_atomic(const oop* from, oop* to, size_t count) { |
| #ifdef AARCH64 |
| if (UseCompressedOops) { |
| assert(BytesPerHeapOop == BytesPerInt, "compressed oops"); |
| pd_conjoint_jints_atomic((const jint*)from, (jint*)to, count); |
| } else { |
| assert(BytesPerHeapOop == BytesPerLong, "64-bit architecture"); |
| pd_conjoint_jlongs_atomic((const jlong*)from, (jlong*)to, count); |
| } |
| #else |
| assert(BytesPerHeapOop == BytesPerInt, "32-bit architecture"); |
| pd_conjoint_jints_atomic((const jint*)from, (jint*)to, count); |
| #endif |
| } |
| |
| static void pd_arrayof_conjoint_bytes(const HeapWord* from, HeapWord* to, size_t count) { |
| pd_conjoint_bytes_atomic((const void*)from, (void*)to, count); |
| } |
| |
| static void pd_arrayof_conjoint_jshorts(const HeapWord* from, HeapWord* to, size_t count) { |
| pd_conjoint_jshorts_atomic((const jshort*)from, (jshort*)to, count); |
| } |
| |
| static void pd_arrayof_conjoint_jints(const HeapWord* from, HeapWord* to, size_t count) { |
| pd_conjoint_jints_atomic((const jint*)from, (jint*)to, count); |
| } |
| |
| static void pd_arrayof_conjoint_jlongs(const HeapWord* from, HeapWord* to, size_t count) { |
| pd_conjoint_jlongs_atomic((const jlong*)from, (jlong*)to, count); |
| } |
| |
| static void pd_arrayof_conjoint_oops(const HeapWord* from, HeapWord* to, size_t count) { |
| pd_conjoint_oops_atomic((const oop*)from, (oop*)to, count); |
| } |
| |
| #endif // OS_CPU_LINUX_ARM_VM_COPY_LINUX_ARM_INLINE_HPP |