1 /*
  2  * Copyright (c) 1997, 2020, 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 #ifndef SHARE_OOPS_TYPEARRAYOOP_INLINE_HPP
 26 #define SHARE_OOPS_TYPEARRAYOOP_INLINE_HPP
 27 
 28 #include "oops/typeArrayOop.hpp"
 29 
 30 #include "oops/access.inline.hpp"
 31 #include "oops/oop.inline.hpp"
 32 #include "oops/arrayOop.hpp"
 33 
 34 size_t typeArrayOopDesc::object_size(const TypeArrayKlass* tk) const {
 35   return object_size(tk->layout_helper(), length());
 36 }
 37 
 38 inline jchar*    typeArrayOopDesc::char_base()   const { return (jchar*)   base(T_CHAR); }
 39 inline jboolean* typeArrayOopDesc::bool_base()   const { return (jboolean*)base(T_BOOLEAN); }
 40 inline jbyte*    typeArrayOopDesc::byte_base()   const { return (jbyte*)   base(T_BYTE); }
 41 inline jint*     typeArrayOopDesc::int_base()    const { return (jint*)    base(T_INT); }
 42 inline jlong*    typeArrayOopDesc::long_base()   const { return (jlong*)   base(T_LONG); }
 43 inline jshort*   typeArrayOopDesc::short_base()  const { return (jshort*)  base(T_SHORT); }
 44 inline jfloat*   typeArrayOopDesc::float_base()  const { return (jfloat*)  base(T_FLOAT); }
 45 inline jdouble*  typeArrayOopDesc::double_base() const { return (jdouble*) base(T_DOUBLE); }
 46 
 47 inline jbyte* typeArrayOopDesc::byte_at_addr(int which) const {
 48   assert(is_within_bounds(which), "index %d out of bounds %d", which, length());
 49   return &byte_base()[which];
 50 }
 51 
 52 inline jboolean* typeArrayOopDesc::bool_at_addr(int which) const {
 53   assert(is_within_bounds(which), "index %d out of bounds %d", which, length());
 54   return &bool_base()[which];
 55 }
 56 
 57 inline jchar* typeArrayOopDesc::char_at_addr(int which) const {
 58   assert(is_within_bounds(which), "index %d out of bounds %d", which, length());
 59   return &char_base()[which];
 60 }
 61 
 62 inline jint* typeArrayOopDesc::int_at_addr(int which) const {
 63   assert(is_within_bounds(which), "index %d out of bounds %d", which, length());
 64   return &int_base()[which];
 65 }
 66 
 67 inline jshort* typeArrayOopDesc::short_at_addr(int which) const {
 68   assert(is_within_bounds(which), "index %d out of bounds %d", which, length());
 69   return &short_base()[which];
 70 }
 71 
 72 inline jushort* typeArrayOopDesc::ushort_at_addr(int which) const {  // for field descriptor arrays
 73   assert(is_within_bounds(which), "index %d out of bounds %d", which, length());
 74   return (jushort*) &short_base()[which];
 75 }
 76 
 77 inline jlong* typeArrayOopDesc::long_at_addr(int which) const {
 78   assert(is_within_bounds(which), "index %d out of bounds %d", which, length());
 79   return &long_base()[which];
 80 }
 81 
 82 inline jfloat* typeArrayOopDesc::float_at_addr(int which) const {
 83   assert(is_within_bounds(which), "index %d out of bounds %d", which, length());
 84   return &float_base()[which];
 85 }
 86 
 87 inline jdouble* typeArrayOopDesc::double_at_addr(int which) const {
 88   assert(is_within_bounds(which), "index %d out of bounds %d", which, length());
 89   return &double_base()[which];
 90 }
 91 
 92 inline jbyte typeArrayOopDesc::byte_at(int which) const {
 93   return *byte_at_addr(which);
 94 }
 95 inline void typeArrayOopDesc::byte_at_put(int which, jbyte contents) {
 96   *byte_at_addr(which) = contents;
 97 }
 98 
 99 inline jboolean typeArrayOopDesc::bool_at(int which) const {
100   return *bool_at_addr(which);
101 }
102 inline void typeArrayOopDesc::bool_at_put(int which, jboolean contents) {
103   *bool_at_addr(which) = jboolean(contents & 1);
104 }
105 
106 inline jchar typeArrayOopDesc::char_at(int which) const {
107   return *char_at_addr(which);
108 }
109 inline void typeArrayOopDesc::char_at_put(int which, jchar contents) {
110   *char_at_addr(which) = contents;
111 }
112 
113 inline jint typeArrayOopDesc::int_at(int which) const {
114   return *int_at_addr(which);
115 }
116 inline void typeArrayOopDesc::int_at_put(int which, jint contents) {
117   *int_at_addr(which) = contents;
118 }
119 
120 inline jshort typeArrayOopDesc::short_at(int which) const {
121   return *short_at_addr(which);
122 }
123 inline void typeArrayOopDesc::short_at_put(int which, jshort contents) {
124   *short_at_addr(which) = contents;
125 }
126 
127 inline jushort typeArrayOopDesc::ushort_at(int which) const {
128   return *ushort_at_addr(which);
129 }
130 
131 inline void typeArrayOopDesc::ushort_at_put(int which, jushort contents) {
132   *ushort_at_addr(which) = contents;
133 }
134 
135 inline jlong typeArrayOopDesc::long_at(int which) const {
136   return *long_at_addr(which);
137 }
138 inline void typeArrayOopDesc::long_at_put(int which, jlong contents) {
139   *long_at_addr(which) = contents;
140 }
141 
142 inline jfloat typeArrayOopDesc::float_at(int which) const {
143   return *float_at_addr(which);
144 }
145 
146 inline void typeArrayOopDesc::float_at_put(int which, jfloat contents) {
147   *float_at_addr(which) = contents;
148 }
149 
150 inline jdouble typeArrayOopDesc::double_at(int which) const {
151   return *double_at_addr(which);
152 }
153 
154 inline void typeArrayOopDesc::double_at_put(int which, jdouble contents) {
155   *double_at_addr(which) = contents;
156 }
157 
158 inline jbyte typeArrayOopDesc::byte_at_acquire(int which) const {
159   return Atomic::load_acquire(byte_at_addr(which));
160 }
161 inline void typeArrayOopDesc::release_byte_at_put(int which, jbyte contents) {
162   Atomic::release_store(byte_at_addr(which), contents);
163 }
164 
165 // Java thinks Symbol arrays are just arrays of either long or int, since
166 // there doesn't seem to be T_ADDRESS, so this is a bit of unfortunate
167 // casting
168 #ifdef _LP64
169 inline Symbol* typeArrayOopDesc::symbol_at(int which) const {
170   return *reinterpret_cast<Symbol**>(long_at_addr(which));
171 }
172 
173 inline void typeArrayOopDesc::symbol_at_put(int which, Symbol* contents) {
174   *reinterpret_cast<Symbol**>(long_at_addr(which)) = contents;
175 }
176 #else
177 inline Symbol* typeArrayOopDesc::symbol_at(int which) const {
178   return *reinterpret_cast<Symbol**>(int_at_addr(which));
179 }
180 inline void typeArrayOopDesc::symbol_at_put(int which, Symbol* contents) {
181   *reinterpret_cast<Symbol**>(int_at_addr(which)) = contents;
182 }
183 #endif // _LP64
184 
185 
186 #endif // SHARE_OOPS_TYPEARRAYOOP_INLINE_HPP