Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 17 | #include "gc/accounting/card_table-inl.h" |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 18 | #include "jni_internal.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 19 | #include "mirror/object.h" |
| 20 | #include "mirror/object-inl.h" |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 21 | #include "scoped_fast_native_object_access.h" |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 22 | |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 23 | namespace art { |
| 24 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 25 | static jboolean Unsafe_compareAndSwapInt(JNIEnv* env, jobject, jobject javaObj, jlong offset, |
| 26 | jint expectedValue, jint newValue) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 27 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 28 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 29 | bool success = obj->CasField32(MemberOffset(offset), expectedValue, newValue); |
Ian Rogers | 9adbff5 | 2013-01-23 18:19:03 -0800 | [diff] [blame] | 30 | return success ? JNI_TRUE : JNI_FALSE; |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 31 | } |
| 32 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 33 | static jboolean Unsafe_compareAndSwapLong(JNIEnv* env, jobject, jobject javaObj, jlong offset, |
| 34 | jlong expectedValue, jlong newValue) { |
| 35 | ScopedFastNativeObjectAccess soa(env); |
| 36 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
| 37 | bool success = obj->CasField64(MemberOffset(offset), expectedValue, newValue); |
| 38 | return success ? JNI_TRUE : JNI_FALSE; |
| 39 | } |
| 40 | |
| 41 | static jboolean Unsafe_compareAndSwapObject(JNIEnv* env, jobject, jobject javaObj, jlong offset, |
| 42 | jobject javaExpectedValue, jobject javaNewValue) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 43 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 44 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
| 45 | mirror::Object* expectedValue = soa.Decode<mirror::Object*>(javaExpectedValue); |
| 46 | mirror::Object* newValue = soa.Decode<mirror::Object*>(javaNewValue); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 47 | bool success = obj->CasFieldObject(MemberOffset(offset), expectedValue, newValue); |
| 48 | return success ? JNI_TRUE : JNI_FALSE; |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 49 | } |
| 50 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 51 | static jint Unsafe_getInt(JNIEnv* env, jobject, jobject javaObj, jlong offset) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 52 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 53 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 54 | return obj->GetField32(MemberOffset(offset), false); |
| 55 | } |
| 56 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 57 | static jint Unsafe_getIntVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 58 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 59 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | 3eace70 | 2012-08-16 10:44:47 -0700 | [diff] [blame] | 60 | return obj->GetField32(MemberOffset(offset), true); |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 61 | } |
| 62 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 63 | static void Unsafe_putInt(JNIEnv* env, jobject, jobject javaObj, jlong offset, jint newValue) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 64 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 65 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 66 | obj->SetField32(MemberOffset(offset), newValue, false); |
| 67 | } |
| 68 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 69 | static void Unsafe_putIntVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset, |
| 70 | jint newValue) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 71 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 72 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | 3eace70 | 2012-08-16 10:44:47 -0700 | [diff] [blame] | 73 | obj->SetField32(MemberOffset(offset), newValue, true); |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 74 | } |
| 75 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 76 | static void Unsafe_putOrderedInt(JNIEnv* env, jobject, jobject javaObj, jlong offset, |
| 77 | jint newValue) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 78 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 79 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 80 | QuasiAtomic::MembarStoreStore(); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 81 | obj->SetField32(MemberOffset(offset), newValue, false); |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 82 | } |
| 83 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 84 | static jlong Unsafe_getLong(JNIEnv* env, jobject, jobject javaObj, jlong offset) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 85 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 86 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | 3eace70 | 2012-08-16 10:44:47 -0700 | [diff] [blame] | 87 | return obj->GetField64(MemberOffset(offset), false); |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 88 | } |
| 89 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 90 | static jlong Unsafe_getLongVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 91 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 92 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 93 | return obj->GetField64(MemberOffset(offset), true); |
| 94 | } |
| 95 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 96 | static void Unsafe_putLong(JNIEnv* env, jobject, jobject javaObj, jlong offset, jlong newValue) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 97 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 98 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 99 | obj->SetField64(MemberOffset(offset), newValue, false); |
| 100 | } |
| 101 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 102 | static void Unsafe_putLongVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset, |
| 103 | jlong newValue) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 104 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 105 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 106 | obj->SetField64(MemberOffset(offset), newValue, true); |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 107 | } |
| 108 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 109 | static void Unsafe_putOrderedLong(JNIEnv* env, jobject, jobject javaObj, jlong offset, |
| 110 | jlong newValue) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 111 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 112 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 113 | QuasiAtomic::MembarStoreStore(); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 114 | obj->SetField64(MemberOffset(offset), newValue, false); |
| 115 | } |
| 116 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 117 | static jobject Unsafe_getObjectVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 118 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 119 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 120 | mirror::Object* value = obj->GetFieldObject<mirror::Object>(MemberOffset(offset), true); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 121 | return soa.AddLocalReference<jobject>(value); |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 122 | } |
| 123 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 124 | static jobject Unsafe_getObject(JNIEnv* env, jobject, jobject javaObj, jlong offset) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 125 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 126 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 127 | mirror::Object* value = obj->GetFieldObject<mirror::Object>(MemberOffset(offset), false); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 128 | return soa.AddLocalReference<jobject>(value); |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 129 | } |
| 130 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 131 | static void Unsafe_putObject(JNIEnv* env, jobject, jobject javaObj, jlong offset, |
| 132 | jobject javaNewValue) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 133 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 134 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
| 135 | mirror::Object* newValue = soa.Decode<mirror::Object*>(javaNewValue); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 136 | obj->SetFieldObject(MemberOffset(offset), newValue, false); |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 137 | } |
| 138 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 139 | static void Unsafe_putObjectVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset, |
| 140 | jobject javaNewValue) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 141 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 142 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
| 143 | mirror::Object* newValue = soa.Decode<mirror::Object*>(javaNewValue); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 144 | obj->SetFieldObject(MemberOffset(offset), newValue, true); |
| 145 | } |
| 146 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame^] | 147 | static void Unsafe_putOrderedObject(JNIEnv* env, jobject, jobject javaObj, jlong offset, |
| 148 | jobject javaNewValue) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 149 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 150 | mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj); |
| 151 | mirror::Object* newValue = soa.Decode<mirror::Object*>(javaNewValue); |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 152 | QuasiAtomic::MembarStoreStore(); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 153 | obj->SetFieldObject(MemberOffset(offset), newValue, false); |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 154 | } |
| 155 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 156 | static JNINativeMethod gMethods[] = { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 157 | NATIVE_METHOD(Unsafe, compareAndSwapInt, "!(Ljava/lang/Object;JII)Z"), |
| 158 | NATIVE_METHOD(Unsafe, compareAndSwapLong, "!(Ljava/lang/Object;JJJ)Z"), |
| 159 | NATIVE_METHOD(Unsafe, compareAndSwapObject, "!(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z"), |
| 160 | NATIVE_METHOD(Unsafe, getIntVolatile, "!(Ljava/lang/Object;J)I"), |
| 161 | NATIVE_METHOD(Unsafe, putIntVolatile, "!(Ljava/lang/Object;JI)V"), |
| 162 | NATIVE_METHOD(Unsafe, getLongVolatile, "!(Ljava/lang/Object;J)J"), |
| 163 | NATIVE_METHOD(Unsafe, putLongVolatile, "!(Ljava/lang/Object;JJ)V"), |
| 164 | NATIVE_METHOD(Unsafe, getObjectVolatile, "!(Ljava/lang/Object;J)Ljava/lang/Object;"), |
| 165 | NATIVE_METHOD(Unsafe, putObjectVolatile, "!(Ljava/lang/Object;JLjava/lang/Object;)V"), |
| 166 | NATIVE_METHOD(Unsafe, getInt, "!(Ljava/lang/Object;J)I"), |
| 167 | NATIVE_METHOD(Unsafe, putInt, "!(Ljava/lang/Object;JI)V"), |
| 168 | NATIVE_METHOD(Unsafe, putOrderedInt, "!(Ljava/lang/Object;JI)V"), |
| 169 | NATIVE_METHOD(Unsafe, getLong, "!(Ljava/lang/Object;J)J"), |
| 170 | NATIVE_METHOD(Unsafe, putLong, "!(Ljava/lang/Object;JJ)V"), |
| 171 | NATIVE_METHOD(Unsafe, putOrderedLong, "!(Ljava/lang/Object;JJ)V"), |
| 172 | NATIVE_METHOD(Unsafe, getObject, "!(Ljava/lang/Object;J)Ljava/lang/Object;"), |
| 173 | NATIVE_METHOD(Unsafe, putObject, "!(Ljava/lang/Object;JLjava/lang/Object;)V"), |
| 174 | NATIVE_METHOD(Unsafe, putOrderedObject, "!(Ljava/lang/Object;JLjava/lang/Object;)V"), |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 175 | }; |
| 176 | |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 177 | void register_sun_misc_Unsafe(JNIEnv* env) { |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 178 | REGISTER_NATIVE_METHODS("sun/misc/Unsafe"); |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | } // namespace art |