Mercurial > hg > truffle
annotate src/share/vm/prims/unsafe.cpp @ 14380:e6195383bcaf
8034080: Remove the USDT1 dtrace code from Hotspot
Reviewed-by: dholmes, coleenp
| author | sla |
|---|---|
| date | Tue, 18 Feb 2014 09:15:40 +0100 |
| parents | 4f6bf7dd3f52 |
| children | 28f281e8de1d |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 10405 | 2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1324
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1324
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1324
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/vmSymbols.hpp" | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7425
diff
changeset
|
27 #include "utilities/macros.hpp" |
|
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7425
diff
changeset
|
28 #if INCLUDE_ALL_GCS |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
29 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7425
diff
changeset
|
30 #endif // INCLUDE_ALL_GCS |
| 1972 | 31 #include "memory/allocation.inline.hpp" |
| 32 #include "prims/jni.h" | |
| 33 #include "prims/jvm.h" | |
| 34 #include "runtime/globals.hpp" | |
| 35 #include "runtime/interfaceSupport.hpp" | |
| 36 #include "runtime/reflection.hpp" | |
| 37 #include "runtime/synchronizer.hpp" | |
| 38 #include "services/threadService.hpp" | |
| 10405 | 39 #include "trace/tracing.hpp" |
| 1972 | 40 #include "utilities/copy.hpp" |
| 41 #include "utilities/dtrace.hpp" | |
| 42 | |
| 0 | 43 /* |
| 44 * Implementation of class sun.misc.Unsafe | |
| 45 */ | |
| 46 | |
|
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
845
diff
changeset
|
47 |
| 0 | 48 #define MAX_OBJECT_SIZE \ |
| 49 ( arrayOopDesc::header_size(T_DOUBLE) * HeapWordSize \ | |
| 50 + ((julong)max_jint * sizeof(double)) ) | |
| 51 | |
| 52 | |
| 53 #define UNSAFE_ENTRY(result_type, header) \ | |
| 54 JVM_ENTRY(result_type, header) | |
| 55 | |
| 56 // Can't use UNSAFE_LEAF because it has the signature of a straight | |
| 57 // call into the runtime (just like JVM_LEAF, funny that) but it's | |
| 58 // called like a Java Native and thus the wrapper built for it passes | |
| 59 // arguments like a JNI call. It expects those arguments to be popped | |
| 60 // from the stack on Intel like all good JNI args are, and adjusts the | |
| 61 // stack according. Since the JVM_LEAF call expects no extra | |
| 62 // arguments the stack isn't popped in the C code, is pushed by the | |
| 63 // wrapper and we get sick. | |
| 64 //#define UNSAFE_LEAF(result_type, header) \ | |
| 65 // JVM_LEAF(result_type, header) | |
| 66 | |
| 67 #define UNSAFE_END JVM_END | |
| 68 | |
| 69 #define UnsafeWrapper(arg) /*nothing, for the present*/ | |
| 70 | |
| 71 | |
| 72 inline void* addr_from_java(jlong addr) { | |
| 73 // This assert fails in a variety of ways on 32-bit systems. | |
| 74 // It is impossible to predict whether native code that converts | |
| 75 // pointers to longs will sign-extend or zero-extend the addresses. | |
| 76 //assert(addr == (uintptr_t)addr, "must not be odd high bits"); | |
| 77 return (void*)(uintptr_t)addr; | |
| 78 } | |
| 79 | |
| 80 inline jlong addr_to_java(void* p) { | |
| 81 assert(p == (void*)(uintptr_t)p, "must not be odd high bits"); | |
| 82 return (uintptr_t)p; | |
| 83 } | |
| 84 | |
| 85 | |
| 86 // Note: The VM's obj_field and related accessors use byte-scaled | |
| 87 // ("unscaled") offsets, just as the unsafe methods do. | |
| 88 | |
| 89 // However, the method Unsafe.fieldOffset explicitly declines to | |
| 90 // guarantee this. The field offset values manipulated by the Java user | |
| 91 // through the Unsafe API are opaque cookies that just happen to be byte | |
| 92 // offsets. We represent this state of affairs by passing the cookies | |
| 93 // through conversion functions when going between the VM and the Unsafe API. | |
| 94 // The conversion functions just happen to be no-ops at present. | |
| 95 | |
| 96 inline jlong field_offset_to_byte_offset(jlong field_offset) { | |
| 97 return field_offset; | |
| 98 } | |
| 99 | |
| 100 inline jlong field_offset_from_byte_offset(jlong byte_offset) { | |
| 101 return byte_offset; | |
| 102 } | |
| 103 | |
| 104 inline jint invocation_key_from_method_slot(jint slot) { | |
| 105 return slot; | |
| 106 } | |
| 107 | |
| 108 inline jint invocation_key_to_method_slot(jint key) { | |
| 109 return key; | |
| 110 } | |
| 111 | |
| 112 inline void* index_oop_from_field_offset_long(oop p, jlong field_offset) { | |
| 113 jlong byte_offset = field_offset_to_byte_offset(field_offset); | |
| 114 #ifdef ASSERT | |
| 115 if (p != NULL) { | |
| 116 assert(byte_offset >= 0 && byte_offset <= (jlong)MAX_OBJECT_SIZE, "sane offset"); | |
| 117 if (byte_offset == (jint)byte_offset) { | |
| 118 void* ptr_plus_disp = (address)p + byte_offset; | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
119 assert((void*)p->obj_field_addr<oop>((jint)byte_offset) == ptr_plus_disp, |
| 0 | 120 "raw [ptr+disp] must be consistent with oop::field_base"); |
| 121 } | |
|
6889
e81a8af10cd9
8001071: Add simple range check into VM implemenation of Unsafe access methods
kvn
parents:
6831
diff
changeset
|
122 jlong p_size = HeapWordSize * (jlong)(p->size()); |
|
e81a8af10cd9
8001071: Add simple range check into VM implemenation of Unsafe access methods
kvn
parents:
6831
diff
changeset
|
123 assert(byte_offset < p_size, err_msg("Unsafe access: offset " INT64_FORMAT " > object's size " INT64_FORMAT, byte_offset, p_size)); |
| 0 | 124 } |
| 125 #endif | |
| 126 if (sizeof(char*) == sizeof(jint)) // (this constant folds!) | |
| 127 return (address)p + (jint) byte_offset; | |
| 128 else | |
| 129 return (address)p + byte_offset; | |
| 130 } | |
| 131 | |
| 132 // Externally callable versions: | |
| 133 // (Use these in compiler intrinsics which emulate unsafe primitives.) | |
| 134 jlong Unsafe_field_offset_to_byte_offset(jlong field_offset) { | |
| 135 return field_offset; | |
| 136 } | |
| 137 jlong Unsafe_field_offset_from_byte_offset(jlong byte_offset) { | |
| 138 return byte_offset; | |
| 139 } | |
| 140 jint Unsafe_invocation_key_from_method_slot(jint slot) { | |
| 141 return invocation_key_from_method_slot(slot); | |
| 142 } | |
| 143 jint Unsafe_invocation_key_to_method_slot(jint key) { | |
| 144 return invocation_key_to_method_slot(key); | |
| 145 } | |
| 146 | |
| 147 | |
| 148 ///// Data in the Java heap. | |
| 149 | |
| 150 #define GET_FIELD(obj, offset, type_name, v) \ | |
| 151 oop p = JNIHandles::resolve(obj); \ | |
| 152 type_name v = *(type_name*)index_oop_from_field_offset_long(p, offset) | |
| 153 | |
| 154 #define SET_FIELD(obj, offset, type_name, x) \ | |
| 155 oop p = JNIHandles::resolve(obj); \ | |
| 156 *(type_name*)index_oop_from_field_offset_long(p, offset) = x | |
| 157 | |
| 158 #define GET_FIELD_VOLATILE(obj, offset, type_name, v) \ | |
| 159 oop p = JNIHandles::resolve(obj); \ | |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
160 volatile type_name v = OrderAccess::load_acquire((volatile type_name*)index_oop_from_field_offset_long(p, offset)); |
| 0 | 161 |
| 162 #define SET_FIELD_VOLATILE(obj, offset, type_name, x) \ | |
| 163 oop p = JNIHandles::resolve(obj); \ | |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
164 OrderAccess::release_store_fence((volatile type_name*)index_oop_from_field_offset_long(p, offset), x); |
| 0 | 165 |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
166 // Macros for oops that check UseCompressedOops |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
167 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
168 #define GET_OOP_FIELD(obj, offset, v) \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
169 oop p = JNIHandles::resolve(obj); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
170 oop v; \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
171 if (UseCompressedOops) { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
172 narrowOop n = *(narrowOop*)index_oop_from_field_offset_long(p, offset); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
173 v = oopDesc::decode_heap_oop(n); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
174 } else { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
175 v = *(oop*)index_oop_from_field_offset_long(p, offset); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
176 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
177 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
178 |
| 0 | 179 // Get/SetObject must be special-cased, since it works with handles. |
| 180 | |
| 181 // The xxx140 variants for backward compatibility do not allow a full-width offset. | |
| 182 UNSAFE_ENTRY(jobject, Unsafe_GetObject140(JNIEnv *env, jobject unsafe, jobject obj, jint offset)) | |
| 183 UnsafeWrapper("Unsafe_GetObject"); | |
| 184 if (obj == NULL) THROW_0(vmSymbols::java_lang_NullPointerException()); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
185 GET_OOP_FIELD(obj, offset, v) |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
186 jobject ret = JNIHandles::make_local(env, v); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7425
diff
changeset
|
187 #if INCLUDE_ALL_GCS |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
188 // We could be accessing the referent field in a reference |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
189 // object. If G1 is enabled then we need to register a non-null |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
190 // referent with the SATB barrier. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
191 if (UseG1GC) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
192 bool needs_barrier = false; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
193 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
194 if (ret != NULL) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
195 if (offset == java_lang_ref_Reference::referent_offset) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
196 oop o = JNIHandles::resolve_non_null(obj); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
197 Klass* k = o->klass(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
198 if (InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
199 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
200 needs_barrier = true; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
201 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
202 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
203 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
204 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
205 if (needs_barrier) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
206 oop referent = JNIHandles::resolve(ret); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
207 G1SATBCardTableModRefBS::enqueue(referent); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
208 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
209 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7425
diff
changeset
|
210 #endif // INCLUDE_ALL_GCS |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
211 return ret; |
| 0 | 212 UNSAFE_END |
| 213 | |
| 214 UNSAFE_ENTRY(void, Unsafe_SetObject140(JNIEnv *env, jobject unsafe, jobject obj, jint offset, jobject x_h)) | |
| 215 UnsafeWrapper("Unsafe_SetObject"); | |
| 216 if (obj == NULL) THROW(vmSymbols::java_lang_NullPointerException()); | |
| 217 oop x = JNIHandles::resolve(x_h); | |
| 218 //SET_FIELD(obj, offset, oop, x); | |
| 219 oop p = JNIHandles::resolve(obj); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
220 if (UseCompressedOops) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
221 if (x != NULL) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
222 // If there is a heap base pointer, we are obliged to emit a store barrier. |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
223 oop_store((narrowOop*)index_oop_from_field_offset_long(p, offset), x); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
224 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
225 narrowOop n = oopDesc::encode_heap_oop_not_null(x); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
226 *(narrowOop*)index_oop_from_field_offset_long(p, offset) = n; |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
227 } |
| 0 | 228 } else { |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
229 if (x != NULL) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
230 // If there is a heap base pointer, we are obliged to emit a store barrier. |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
231 oop_store((oop*)index_oop_from_field_offset_long(p, offset), x); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
232 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
233 *(oop*)index_oop_from_field_offset_long(p, offset) = x; |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
234 } |
| 0 | 235 } |
| 236 UNSAFE_END | |
| 237 | |
| 238 // The normal variants allow a null base pointer with an arbitrary address. | |
| 239 // But if the base pointer is non-null, the offset should make some sense. | |
| 240 // That is, it should be in the range [0, MAX_OBJECT_SIZE]. | |
| 241 UNSAFE_ENTRY(jobject, Unsafe_GetObject(JNIEnv *env, jobject unsafe, jobject obj, jlong offset)) | |
| 242 UnsafeWrapper("Unsafe_GetObject"); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
243 GET_OOP_FIELD(obj, offset, v) |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
244 jobject ret = JNIHandles::make_local(env, v); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7425
diff
changeset
|
245 #if INCLUDE_ALL_GCS |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
246 // We could be accessing the referent field in a reference |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
247 // object. If G1 is enabled then we need to register non-null |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
248 // referent with the SATB barrier. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
249 if (UseG1GC) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
250 bool needs_barrier = false; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
251 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
252 if (ret != NULL) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
253 if (offset == java_lang_ref_Reference::referent_offset && obj != NULL) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
254 oop o = JNIHandles::resolve(obj); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
255 Klass* k = o->klass(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
256 if (InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
257 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
258 needs_barrier = true; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
259 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
260 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
261 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
262 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
263 if (needs_barrier) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
264 oop referent = JNIHandles::resolve(ret); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
265 G1SATBCardTableModRefBS::enqueue(referent); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
266 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
267 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7425
diff
changeset
|
268 #endif // INCLUDE_ALL_GCS |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
269 return ret; |
| 0 | 270 UNSAFE_END |
| 271 | |
| 272 UNSAFE_ENTRY(void, Unsafe_SetObject(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jobject x_h)) | |
| 273 UnsafeWrapper("Unsafe_SetObject"); | |
| 274 oop x = JNIHandles::resolve(x_h); | |
| 275 oop p = JNIHandles::resolve(obj); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
276 if (UseCompressedOops) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
277 oop_store((narrowOop*)index_oop_from_field_offset_long(p, offset), x); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
278 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
279 oop_store((oop*)index_oop_from_field_offset_long(p, offset), x); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
280 } |
| 0 | 281 UNSAFE_END |
| 282 | |
| 283 UNSAFE_ENTRY(jobject, Unsafe_GetObjectVolatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset)) | |
| 284 UnsafeWrapper("Unsafe_GetObjectVolatile"); | |
|
6224
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
285 oop p = JNIHandles::resolve(obj); |
|
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
286 void* addr = index_oop_from_field_offset_long(p, offset); |
|
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
287 volatile oop v; |
|
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
288 if (UseCompressedOops) { |
|
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
289 volatile narrowOop n = *(volatile narrowOop*) addr; |
|
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
10405
diff
changeset
|
290 (void)const_cast<oop&>(v = oopDesc::decode_heap_oop(n)); |
|
6224
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
291 } else { |
|
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
10405
diff
changeset
|
292 (void)const_cast<oop&>(v = *(volatile oop*) addr); |
|
6224
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
293 } |
|
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
294 OrderAccess::acquire(); |
| 0 | 295 return JNIHandles::make_local(env, v); |
| 296 UNSAFE_END | |
| 297 | |
| 298 UNSAFE_ENTRY(void, Unsafe_SetObjectVolatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jobject x_h)) | |
| 299 UnsafeWrapper("Unsafe_SetObjectVolatile"); | |
| 300 oop x = JNIHandles::resolve(x_h); | |
| 301 oop p = JNIHandles::resolve(obj); | |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
302 void* addr = index_oop_from_field_offset_long(p, offset); |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
303 OrderAccess::release(); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
304 if (UseCompressedOops) { |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
305 oop_store((narrowOop*)addr, x); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
306 } else { |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
307 oop_store((oop*)addr, x); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
308 } |
| 0 | 309 OrderAccess::fence(); |
| 310 UNSAFE_END | |
| 311 | |
| 10235 | 312 #ifndef SUPPORTS_NATIVE_CX8 |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
313 // Keep old code for platforms which may not have atomic jlong (8 bytes) instructions |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
314 |
| 0 | 315 // Volatile long versions must use locks if !VM_Version::supports_cx8(). |
| 316 // support_cx8 is a surrogate for 'supports atomic long memory ops'. | |
| 317 | |
| 318 UNSAFE_ENTRY(jlong, Unsafe_GetLongVolatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset)) | |
| 319 UnsafeWrapper("Unsafe_GetLongVolatile"); | |
| 320 { | |
| 321 if (VM_Version::supports_cx8()) { | |
| 322 GET_FIELD_VOLATILE(obj, offset, jlong, v); | |
| 323 return v; | |
| 324 } | |
| 325 else { | |
| 326 Handle p (THREAD, JNIHandles::resolve(obj)); | |
| 327 jlong* addr = (jlong*)(index_oop_from_field_offset_long(p(), offset)); | |
| 328 ObjectLocker ol(p, THREAD); | |
| 329 jlong value = *addr; | |
| 330 return value; | |
| 331 } | |
| 332 } | |
| 333 UNSAFE_END | |
| 334 | |
| 335 UNSAFE_ENTRY(void, Unsafe_SetLongVolatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jlong x)) | |
| 336 UnsafeWrapper("Unsafe_SetLongVolatile"); | |
| 337 { | |
| 338 if (VM_Version::supports_cx8()) { | |
| 339 SET_FIELD_VOLATILE(obj, offset, jlong, x); | |
| 340 } | |
| 341 else { | |
| 342 Handle p (THREAD, JNIHandles::resolve(obj)); | |
| 343 jlong* addr = (jlong*)(index_oop_from_field_offset_long(p(), offset)); | |
| 344 ObjectLocker ol(p, THREAD); | |
| 345 *addr = x; | |
| 346 } | |
| 347 } | |
| 348 UNSAFE_END | |
| 349 | |
| 10235 | 350 #endif // not SUPPORTS_NATIVE_CX8 |
| 0 | 351 |
| 352 #define DEFINE_GETSETOOP(jboolean, Boolean) \ | |
| 353 \ | |
| 354 UNSAFE_ENTRY(jboolean, Unsafe_Get##Boolean##140(JNIEnv *env, jobject unsafe, jobject obj, jint offset)) \ | |
| 355 UnsafeWrapper("Unsafe_Get"#Boolean); \ | |
| 356 if (obj == NULL) THROW_0(vmSymbols::java_lang_NullPointerException()); \ | |
| 357 GET_FIELD(obj, offset, jboolean, v); \ | |
| 358 return v; \ | |
| 359 UNSAFE_END \ | |
| 360 \ | |
| 361 UNSAFE_ENTRY(void, Unsafe_Set##Boolean##140(JNIEnv *env, jobject unsafe, jobject obj, jint offset, jboolean x)) \ | |
| 362 UnsafeWrapper("Unsafe_Set"#Boolean); \ | |
| 363 if (obj == NULL) THROW(vmSymbols::java_lang_NullPointerException()); \ | |
| 364 SET_FIELD(obj, offset, jboolean, x); \ | |
| 365 UNSAFE_END \ | |
| 366 \ | |
| 367 UNSAFE_ENTRY(jboolean, Unsafe_Get##Boolean(JNIEnv *env, jobject unsafe, jobject obj, jlong offset)) \ | |
| 368 UnsafeWrapper("Unsafe_Get"#Boolean); \ | |
| 369 GET_FIELD(obj, offset, jboolean, v); \ | |
| 370 return v; \ | |
| 371 UNSAFE_END \ | |
| 372 \ | |
| 373 UNSAFE_ENTRY(void, Unsafe_Set##Boolean(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jboolean x)) \ | |
| 374 UnsafeWrapper("Unsafe_Set"#Boolean); \ | |
| 375 SET_FIELD(obj, offset, jboolean, x); \ | |
| 376 UNSAFE_END \ | |
| 377 \ | |
| 378 // END DEFINE_GETSETOOP. | |
| 379 | |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
380 DEFINE_GETSETOOP(jboolean, Boolean) |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
381 DEFINE_GETSETOOP(jbyte, Byte) |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
382 DEFINE_GETSETOOP(jshort, Short); |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
383 DEFINE_GETSETOOP(jchar, Char); |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
384 DEFINE_GETSETOOP(jint, Int); |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
385 DEFINE_GETSETOOP(jlong, Long); |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
386 DEFINE_GETSETOOP(jfloat, Float); |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
387 DEFINE_GETSETOOP(jdouble, Double); |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
388 |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
389 #undef DEFINE_GETSETOOP |
| 0 | 390 |
| 391 #define DEFINE_GETSETOOP_VOLATILE(jboolean, Boolean) \ | |
| 392 \ | |
| 393 UNSAFE_ENTRY(jboolean, Unsafe_Get##Boolean##Volatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset)) \ | |
| 394 UnsafeWrapper("Unsafe_Get"#Boolean); \ | |
| 395 GET_FIELD_VOLATILE(obj, offset, jboolean, v); \ | |
| 396 return v; \ | |
| 397 UNSAFE_END \ | |
| 398 \ | |
| 399 UNSAFE_ENTRY(void, Unsafe_Set##Boolean##Volatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jboolean x)) \ | |
| 400 UnsafeWrapper("Unsafe_Set"#Boolean); \ | |
| 401 SET_FIELD_VOLATILE(obj, offset, jboolean, x); \ | |
| 402 UNSAFE_END \ | |
| 403 \ | |
| 404 // END DEFINE_GETSETOOP_VOLATILE. | |
| 405 | |
| 406 DEFINE_GETSETOOP_VOLATILE(jboolean, Boolean) | |
| 407 DEFINE_GETSETOOP_VOLATILE(jbyte, Byte) | |
| 408 DEFINE_GETSETOOP_VOLATILE(jshort, Short); | |
| 409 DEFINE_GETSETOOP_VOLATILE(jchar, Char); | |
| 410 DEFINE_GETSETOOP_VOLATILE(jint, Int); | |
| 411 DEFINE_GETSETOOP_VOLATILE(jfloat, Float); | |
| 412 DEFINE_GETSETOOP_VOLATILE(jdouble, Double); | |
| 413 | |
| 10235 | 414 #ifdef SUPPORTS_NATIVE_CX8 |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
415 DEFINE_GETSETOOP_VOLATILE(jlong, Long); |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
416 #endif |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
417 |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
418 #undef DEFINE_GETSETOOP_VOLATILE |
| 0 | 419 |
| 420 // The non-intrinsified versions of setOrdered just use setVolatile | |
| 421 | |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
422 UNSAFE_ENTRY(void, Unsafe_SetOrderedInt(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jint x)) |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
423 UnsafeWrapper("Unsafe_SetOrderedInt"); |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
424 SET_FIELD_VOLATILE(obj, offset, jint, x); |
| 0 | 425 UNSAFE_END |
| 426 | |
| 427 UNSAFE_ENTRY(void, Unsafe_SetOrderedObject(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jobject x_h)) | |
| 428 UnsafeWrapper("Unsafe_SetOrderedObject"); | |
| 429 oop x = JNIHandles::resolve(x_h); | |
| 430 oop p = JNIHandles::resolve(obj); | |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
431 void* addr = index_oop_from_field_offset_long(p, offset); |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
432 OrderAccess::release(); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
433 if (UseCompressedOops) { |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
434 oop_store((narrowOop*)addr, x); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
435 } else { |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
436 oop_store((oop*)addr, x); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
437 } |
| 0 | 438 OrderAccess::fence(); |
| 439 UNSAFE_END | |
| 440 | |
| 441 UNSAFE_ENTRY(void, Unsafe_SetOrderedLong(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jlong x)) | |
| 442 UnsafeWrapper("Unsafe_SetOrderedLong"); | |
| 10235 | 443 #ifdef SUPPORTS_NATIVE_CX8 |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
444 SET_FIELD_VOLATILE(obj, offset, jlong, x); |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
445 #else |
|
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
446 // Keep old code for platforms which may not have atomic long (8 bytes) instructions |
| 0 | 447 { |
| 448 if (VM_Version::supports_cx8()) { | |
| 449 SET_FIELD_VOLATILE(obj, offset, jlong, x); | |
| 450 } | |
| 451 else { | |
| 452 Handle p (THREAD, JNIHandles::resolve(obj)); | |
| 453 jlong* addr = (jlong*)(index_oop_from_field_offset_long(p(), offset)); | |
| 454 ObjectLocker ol(p, THREAD); | |
| 455 *addr = x; | |
| 456 } | |
| 457 } | |
|
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
458 #endif |
| 0 | 459 UNSAFE_END |
| 460 | |
| 7425 | 461 UNSAFE_ENTRY(void, Unsafe_LoadFence(JNIEnv *env, jobject unsafe)) |
| 462 UnsafeWrapper("Unsafe_LoadFence"); | |
| 463 OrderAccess::acquire(); | |
| 464 UNSAFE_END | |
| 465 | |
| 466 UNSAFE_ENTRY(void, Unsafe_StoreFence(JNIEnv *env, jobject unsafe)) | |
| 467 UnsafeWrapper("Unsafe_StoreFence"); | |
| 468 OrderAccess::release(); | |
| 469 UNSAFE_END | |
| 470 | |
| 471 UNSAFE_ENTRY(void, Unsafe_FullFence(JNIEnv *env, jobject unsafe)) | |
| 472 UnsafeWrapper("Unsafe_FullFence"); | |
| 473 OrderAccess::fence(); | |
| 474 UNSAFE_END | |
| 475 | |
| 0 | 476 ////// Data in the C heap. |
| 477 | |
| 478 // Note: These do not throw NullPointerException for bad pointers. | |
| 479 // They just crash. Only a oop base pointer can generate a NullPointerException. | |
| 480 // | |
| 481 #define DEFINE_GETSETNATIVE(java_type, Type, native_type) \ | |
| 482 \ | |
| 483 UNSAFE_ENTRY(java_type, Unsafe_GetNative##Type(JNIEnv *env, jobject unsafe, jlong addr)) \ | |
| 484 UnsafeWrapper("Unsafe_GetNative"#Type); \ | |
| 485 void* p = addr_from_java(addr); \ | |
| 486 JavaThread* t = JavaThread::current(); \ | |
| 487 t->set_doing_unsafe_access(true); \ | |
| 488 java_type x = *(volatile native_type*)p; \ | |
| 489 t->set_doing_unsafe_access(false); \ | |
| 490 return x; \ | |
| 491 UNSAFE_END \ | |
| 492 \ | |
| 493 UNSAFE_ENTRY(void, Unsafe_SetNative##Type(JNIEnv *env, jobject unsafe, jlong addr, java_type x)) \ | |
| 494 UnsafeWrapper("Unsafe_SetNative"#Type); \ | |
| 495 JavaThread* t = JavaThread::current(); \ | |
| 496 t->set_doing_unsafe_access(true); \ | |
| 497 void* p = addr_from_java(addr); \ | |
| 498 *(volatile native_type*)p = x; \ | |
| 499 t->set_doing_unsafe_access(false); \ | |
| 500 UNSAFE_END \ | |
| 501 \ | |
| 502 // END DEFINE_GETSETNATIVE. | |
| 503 | |
| 504 DEFINE_GETSETNATIVE(jbyte, Byte, signed char) | |
| 505 DEFINE_GETSETNATIVE(jshort, Short, signed short); | |
| 506 DEFINE_GETSETNATIVE(jchar, Char, unsigned short); | |
| 507 DEFINE_GETSETNATIVE(jint, Int, jint); | |
| 508 // no long -- handled specially | |
| 509 DEFINE_GETSETNATIVE(jfloat, Float, float); | |
| 510 DEFINE_GETSETNATIVE(jdouble, Double, double); | |
| 511 | |
| 512 #undef DEFINE_GETSETNATIVE | |
| 513 | |
| 514 UNSAFE_ENTRY(jlong, Unsafe_GetNativeLong(JNIEnv *env, jobject unsafe, jlong addr)) | |
| 515 UnsafeWrapper("Unsafe_GetNativeLong"); | |
| 516 JavaThread* t = JavaThread::current(); | |
| 517 // We do it this way to avoid problems with access to heap using 64 | |
| 518 // bit loads, as jlong in heap could be not 64-bit aligned, and on | |
| 519 // some CPUs (SPARC) it leads to SIGBUS. | |
| 520 t->set_doing_unsafe_access(true); | |
| 521 void* p = addr_from_java(addr); | |
| 522 jlong x; | |
| 523 if (((intptr_t)p & 7) == 0) { | |
| 524 // jlong is aligned, do a volatile access | |
| 525 x = *(volatile jlong*)p; | |
| 526 } else { | |
| 527 jlong_accessor acc; | |
| 528 acc.words[0] = ((volatile jint*)p)[0]; | |
| 529 acc.words[1] = ((volatile jint*)p)[1]; | |
| 530 x = acc.long_value; | |
| 531 } | |
| 532 t->set_doing_unsafe_access(false); | |
| 533 return x; | |
| 534 UNSAFE_END | |
| 535 | |
| 536 UNSAFE_ENTRY(void, Unsafe_SetNativeLong(JNIEnv *env, jobject unsafe, jlong addr, jlong x)) | |
| 537 UnsafeWrapper("Unsafe_SetNativeLong"); | |
| 538 JavaThread* t = JavaThread::current(); | |
| 539 // see comment for Unsafe_GetNativeLong | |
| 540 t->set_doing_unsafe_access(true); | |
| 541 void* p = addr_from_java(addr); | |
| 542 if (((intptr_t)p & 7) == 0) { | |
| 543 // jlong is aligned, do a volatile access | |
| 544 *(volatile jlong*)p = x; | |
| 545 } else { | |
| 546 jlong_accessor acc; | |
| 547 acc.long_value = x; | |
| 548 ((volatile jint*)p)[0] = acc.words[0]; | |
| 549 ((volatile jint*)p)[1] = acc.words[1]; | |
| 550 } | |
| 551 t->set_doing_unsafe_access(false); | |
| 552 UNSAFE_END | |
| 553 | |
| 554 | |
| 555 UNSAFE_ENTRY(jlong, Unsafe_GetNativeAddress(JNIEnv *env, jobject unsafe, jlong addr)) | |
| 556 UnsafeWrapper("Unsafe_GetNativeAddress"); | |
| 557 void* p = addr_from_java(addr); | |
| 558 return addr_to_java(*(void**)p); | |
| 559 UNSAFE_END | |
| 560 | |
| 561 UNSAFE_ENTRY(void, Unsafe_SetNativeAddress(JNIEnv *env, jobject unsafe, jlong addr, jlong x)) | |
| 562 UnsafeWrapper("Unsafe_SetNativeAddress"); | |
| 563 void* p = addr_from_java(addr); | |
| 564 *(void**)p = addr_from_java(x); | |
| 565 UNSAFE_END | |
| 566 | |
| 567 | |
| 568 ////// Allocation requests | |
| 569 | |
| 570 UNSAFE_ENTRY(jobject, Unsafe_AllocateInstance(JNIEnv *env, jobject unsafe, jclass cls)) | |
| 571 UnsafeWrapper("Unsafe_AllocateInstance"); | |
| 572 { | |
| 573 ThreadToNativeFromVM ttnfv(thread); | |
| 574 return env->AllocObject(cls); | |
| 575 } | |
| 576 UNSAFE_END | |
| 577 | |
| 578 UNSAFE_ENTRY(jlong, Unsafe_AllocateMemory(JNIEnv *env, jobject unsafe, jlong size)) | |
| 579 UnsafeWrapper("Unsafe_AllocateMemory"); | |
| 580 size_t sz = (size_t)size; | |
| 581 if (sz != (julong)size || size < 0) { | |
| 582 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); | |
| 583 } | |
| 584 if (sz == 0) { | |
| 585 return 0; | |
| 586 } | |
| 587 sz = round_to(sz, HeapWordSize); | |
| 6197 | 588 void* x = os::malloc(sz, mtInternal); |
| 0 | 589 if (x == NULL) { |
| 590 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
| 591 } | |
| 592 //Copy::fill_to_words((HeapWord*)x, sz / HeapWordSize); | |
| 593 return addr_to_java(x); | |
| 594 UNSAFE_END | |
| 595 | |
| 596 UNSAFE_ENTRY(jlong, Unsafe_ReallocateMemory(JNIEnv *env, jobject unsafe, jlong addr, jlong size)) | |
| 597 UnsafeWrapper("Unsafe_ReallocateMemory"); | |
| 598 void* p = addr_from_java(addr); | |
| 599 size_t sz = (size_t)size; | |
| 600 if (sz != (julong)size || size < 0) { | |
| 601 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); | |
| 602 } | |
| 603 if (sz == 0) { | |
| 604 os::free(p); | |
| 605 return 0; | |
| 606 } | |
| 607 sz = round_to(sz, HeapWordSize); | |
| 6197 | 608 void* x = (p == NULL) ? os::malloc(sz, mtInternal) : os::realloc(p, sz, mtInternal); |
| 0 | 609 if (x == NULL) { |
| 610 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
| 611 } | |
| 612 return addr_to_java(x); | |
| 613 UNSAFE_END | |
| 614 | |
| 615 UNSAFE_ENTRY(void, Unsafe_FreeMemory(JNIEnv *env, jobject unsafe, jlong addr)) | |
| 616 UnsafeWrapper("Unsafe_FreeMemory"); | |
| 617 void* p = addr_from_java(addr); | |
| 618 if (p == NULL) { | |
| 619 return; | |
| 620 } | |
| 621 os::free(p); | |
| 622 UNSAFE_END | |
| 623 | |
| 624 UNSAFE_ENTRY(void, Unsafe_SetMemory(JNIEnv *env, jobject unsafe, jlong addr, jlong size, jbyte value)) | |
| 625 UnsafeWrapper("Unsafe_SetMemory"); | |
| 626 size_t sz = (size_t)size; | |
| 627 if (sz != (julong)size || size < 0) { | |
| 628 THROW(vmSymbols::java_lang_IllegalArgumentException()); | |
| 629 } | |
| 630 char* p = (char*) addr_from_java(addr); | |
| 631 Copy::fill_to_memory_atomic(p, sz, value); | |
| 632 UNSAFE_END | |
| 633 | |
| 634 UNSAFE_ENTRY(void, Unsafe_SetMemory2(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jlong size, jbyte value)) | |
| 635 UnsafeWrapper("Unsafe_SetMemory"); | |
| 636 size_t sz = (size_t)size; | |
| 637 if (sz != (julong)size || size < 0) { | |
| 638 THROW(vmSymbols::java_lang_IllegalArgumentException()); | |
| 639 } | |
| 640 oop base = JNIHandles::resolve(obj); | |
| 641 void* p = index_oop_from_field_offset_long(base, offset); | |
| 642 Copy::fill_to_memory_atomic(p, sz, value); | |
| 643 UNSAFE_END | |
| 644 | |
| 645 UNSAFE_ENTRY(void, Unsafe_CopyMemory(JNIEnv *env, jobject unsafe, jlong srcAddr, jlong dstAddr, jlong size)) | |
| 646 UnsafeWrapper("Unsafe_CopyMemory"); | |
| 647 if (size == 0) { | |
| 648 return; | |
| 649 } | |
| 650 size_t sz = (size_t)size; | |
| 651 if (sz != (julong)size || size < 0) { | |
| 652 THROW(vmSymbols::java_lang_IllegalArgumentException()); | |
| 653 } | |
| 654 void* src = addr_from_java(srcAddr); | |
| 655 void* dst = addr_from_java(dstAddr); | |
| 656 Copy::conjoint_memory_atomic(src, dst, sz); | |
| 657 UNSAFE_END | |
| 658 | |
| 659 UNSAFE_ENTRY(void, Unsafe_CopyMemory2(JNIEnv *env, jobject unsafe, jobject srcObj, jlong srcOffset, jobject dstObj, jlong dstOffset, jlong size)) | |
| 660 UnsafeWrapper("Unsafe_CopyMemory"); | |
| 661 if (size == 0) { | |
| 662 return; | |
| 663 } | |
| 664 size_t sz = (size_t)size; | |
| 665 if (sz != (julong)size || size < 0) { | |
| 666 THROW(vmSymbols::java_lang_IllegalArgumentException()); | |
| 667 } | |
| 668 oop srcp = JNIHandles::resolve(srcObj); | |
| 669 oop dstp = JNIHandles::resolve(dstObj); | |
| 670 if (dstp != NULL && !dstp->is_typeArray()) { | |
| 671 // NYI: This works only for non-oop arrays at present. | |
| 672 // Generalizing it would be reasonable, but requires card marking. | |
| 673 // Also, autoboxing a Long from 0L in copyMemory(x,y, 0L,z, n) would be bad. | |
| 674 THROW(vmSymbols::java_lang_IllegalArgumentException()); | |
| 675 } | |
| 676 void* src = index_oop_from_field_offset_long(srcp, srcOffset); | |
| 677 void* dst = index_oop_from_field_offset_long(dstp, dstOffset); | |
| 678 Copy::conjoint_memory_atomic(src, dst, sz); | |
| 679 UNSAFE_END | |
| 680 | |
| 681 | |
| 682 ////// Random queries | |
| 683 | |
| 684 // See comment at file start about UNSAFE_LEAF | |
| 685 //UNSAFE_LEAF(jint, Unsafe_AddressSize()) | |
| 686 UNSAFE_ENTRY(jint, Unsafe_AddressSize(JNIEnv *env, jobject unsafe)) | |
| 687 UnsafeWrapper("Unsafe_AddressSize"); | |
| 688 return sizeof(void*); | |
| 689 UNSAFE_END | |
| 690 | |
| 691 // See comment at file start about UNSAFE_LEAF | |
| 692 //UNSAFE_LEAF(jint, Unsafe_PageSize()) | |
| 693 UNSAFE_ENTRY(jint, Unsafe_PageSize(JNIEnv *env, jobject unsafe)) | |
| 694 UnsafeWrapper("Unsafe_PageSize"); | |
| 695 return os::vm_page_size(); | |
| 696 UNSAFE_END | |
| 697 | |
| 698 jint find_field_offset(jobject field, int must_be_static, TRAPS) { | |
| 699 if (field == NULL) { | |
| 700 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
| 701 } | |
| 702 | |
| 703 oop reflected = JNIHandles::resolve_non_null(field); | |
| 704 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
705 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 706 int slot = java_lang_reflect_Field::slot(reflected); |
| 707 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 708 | |
| 709 if (must_be_static >= 0) { | |
| 710 int really_is_static = ((modifiers & JVM_ACC_STATIC) != 0); | |
| 711 if (must_be_static != really_is_static) { | |
| 712 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); | |
| 713 } | |
| 714 } | |
| 715 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
716 int offset = InstanceKlass::cast(k)->field_offset(slot); |
| 0 | 717 return field_offset_from_byte_offset(offset); |
| 718 } | |
| 719 | |
| 720 UNSAFE_ENTRY(jlong, Unsafe_ObjectFieldOffset(JNIEnv *env, jobject unsafe, jobject field)) | |
| 721 UnsafeWrapper("Unsafe_ObjectFieldOffset"); | |
| 722 return find_field_offset(field, 0, THREAD); | |
| 723 UNSAFE_END | |
| 724 | |
| 725 UNSAFE_ENTRY(jlong, Unsafe_StaticFieldOffset(JNIEnv *env, jobject unsafe, jobject field)) | |
| 726 UnsafeWrapper("Unsafe_StaticFieldOffset"); | |
| 727 return find_field_offset(field, 1, THREAD); | |
| 728 UNSAFE_END | |
| 729 | |
| 730 UNSAFE_ENTRY(jobject, Unsafe_StaticFieldBaseFromField(JNIEnv *env, jobject unsafe, jobject field)) | |
| 731 UnsafeWrapper("Unsafe_StaticFieldBase"); | |
| 732 // Note: In this VM implementation, a field address is always a short | |
| 733 // offset from the base of a a klass metaobject. Thus, the full dynamic | |
| 734 // range of the return type is never used. However, some implementations | |
| 735 // might put the static field inside an array shared by many classes, | |
| 736 // or even at a fixed address, in which case the address could be quite | |
| 737 // large. In that last case, this function would return NULL, since | |
| 738 // the address would operate alone, without any base pointer. | |
| 739 | |
| 740 if (field == NULL) THROW_0(vmSymbols::java_lang_NullPointerException()); | |
| 741 | |
| 742 oop reflected = JNIHandles::resolve_non_null(field); | |
| 743 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
| 744 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 745 | |
| 746 if ((modifiers & JVM_ACC_STATIC) == 0) { | |
| 747 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); | |
| 748 } | |
| 749 | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2316
diff
changeset
|
750 return JNIHandles::make_local(env, mirror); |
| 0 | 751 UNSAFE_END |
| 752 | |
| 753 //@deprecated | |
| 754 UNSAFE_ENTRY(jint, Unsafe_FieldOffset(JNIEnv *env, jobject unsafe, jobject field)) | |
| 755 UnsafeWrapper("Unsafe_FieldOffset"); | |
| 756 // tries (but fails) to be polymorphic between static and non-static: | |
| 757 jlong offset = find_field_offset(field, -1, THREAD); | |
| 758 guarantee(offset == (jint)offset, "offset fits in 32 bits"); | |
| 759 return (jint)offset; | |
| 760 UNSAFE_END | |
| 761 | |
| 762 //@deprecated | |
| 763 UNSAFE_ENTRY(jobject, Unsafe_StaticFieldBaseFromClass(JNIEnv *env, jobject unsafe, jobject clazz)) | |
| 764 UnsafeWrapper("Unsafe_StaticFieldBase"); | |
| 765 if (clazz == NULL) { | |
| 766 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
| 767 } | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2316
diff
changeset
|
768 return JNIHandles::make_local(env, JNIHandles::resolve_non_null(clazz)); |
| 0 | 769 UNSAFE_END |
| 770 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
771 UNSAFE_ENTRY(void, Unsafe_EnsureClassInitialized(JNIEnv *env, jobject unsafe, jobject clazz)) { |
| 0 | 772 UnsafeWrapper("Unsafe_EnsureClassInitialized"); |
| 773 if (clazz == NULL) { | |
| 774 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 775 } | |
| 776 oop mirror = JNIHandles::resolve_non_null(clazz); | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
777 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
778 Klass* klass = java_lang_Class::as_Klass(mirror); |
| 6983 | 779 if (klass != NULL && klass->should_be_initialized()) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
780 InstanceKlass* k = InstanceKlass::cast(klass); |
| 0 | 781 k->initialize(CHECK); |
| 782 } | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
783 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
784 UNSAFE_END |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
785 |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
786 UNSAFE_ENTRY(jboolean, Unsafe_ShouldBeInitialized(JNIEnv *env, jobject unsafe, jobject clazz)) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
787 UnsafeWrapper("Unsafe_ShouldBeInitialized"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
788 if (clazz == NULL) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
789 THROW_(vmSymbols::java_lang_NullPointerException(), false); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
790 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
791 oop mirror = JNIHandles::resolve_non_null(clazz); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
792 Klass* klass = java_lang_Class::as_Klass(mirror); |
| 6983 | 793 if (klass != NULL && klass->should_be_initialized()) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
794 return true; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
795 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
796 return false; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
797 } |
| 0 | 798 UNSAFE_END |
| 799 | |
| 800 static void getBaseAndScale(int& base, int& scale, jclass acls, TRAPS) { | |
| 801 if (acls == NULL) { | |
| 802 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 803 } | |
| 804 oop mirror = JNIHandles::resolve_non_null(acls); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
805 Klass* k = java_lang_Class::as_Klass(mirror); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
806 if (k == NULL || !k->oop_is_array()) { |
| 0 | 807 THROW(vmSymbols::java_lang_InvalidClassException()); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
808 } else if (k->oop_is_objArray()) { |
| 0 | 809 base = arrayOopDesc::base_offset_in_bytes(T_OBJECT); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
810 scale = heapOopSize; |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
811 } else if (k->oop_is_typeArray()) { |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
812 TypeArrayKlass* tak = TypeArrayKlass::cast(k); |
| 0 | 813 base = tak->array_header_in_bytes(); |
| 814 assert(base == arrayOopDesc::base_offset_in_bytes(tak->element_type()), "array_header_size semantics ok"); | |
| 815 scale = (1 << tak->log2_element_size()); | |
| 816 } else { | |
| 817 ShouldNotReachHere(); | |
| 818 } | |
| 819 } | |
| 820 | |
| 821 UNSAFE_ENTRY(jint, Unsafe_ArrayBaseOffset(JNIEnv *env, jobject unsafe, jclass acls)) | |
| 822 UnsafeWrapper("Unsafe_ArrayBaseOffset"); | |
| 823 int base, scale; | |
| 824 getBaseAndScale(base, scale, acls, CHECK_0); | |
| 825 return field_offset_from_byte_offset(base); | |
| 826 UNSAFE_END | |
| 827 | |
| 828 | |
| 829 UNSAFE_ENTRY(jint, Unsafe_ArrayIndexScale(JNIEnv *env, jobject unsafe, jclass acls)) | |
| 830 UnsafeWrapper("Unsafe_ArrayIndexScale"); | |
| 831 int base, scale; | |
| 832 getBaseAndScale(base, scale, acls, CHECK_0); | |
| 833 // This VM packs both fields and array elements down to the byte. | |
| 834 // But watch out: If this changes, so that array references for | |
| 835 // a given primitive type (say, T_BOOLEAN) use different memory units | |
| 836 // than fields, this method MUST return zero for such arrays. | |
| 837 // For example, the VM used to store sub-word sized fields in full | |
| 838 // words in the object layout, so that accessors like getByte(Object,int) | |
| 839 // did not really do what one might expect for arrays. Therefore, | |
| 840 // this function used to report a zero scale factor, so that the user | |
| 841 // would know not to attempt to access sub-word array elements. | |
| 842 // // Code for unpacked fields: | |
| 843 // if (scale < wordSize) return 0; | |
| 844 | |
| 845 // The following allows for a pretty general fieldOffset cookie scheme, | |
| 846 // but requires it to be linear in byte offset. | |
| 847 return field_offset_from_byte_offset(scale) - field_offset_from_byte_offset(0); | |
| 848 UNSAFE_END | |
| 849 | |
| 850 | |
| 851 static inline void throw_new(JNIEnv *env, const char *ename) { | |
| 852 char buf[100]; | |
| 853 strcpy(buf, "java/lang/"); | |
| 854 strcat(buf, ename); | |
| 855 jclass cls = env->FindClass(buf); | |
|
14370
4f6bf7dd3f52
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents:
12316
diff
changeset
|
856 if (env->ExceptionCheck()) { |
|
4f6bf7dd3f52
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents:
12316
diff
changeset
|
857 env->ExceptionClear(); |
|
4f6bf7dd3f52
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents:
12316
diff
changeset
|
858 tty->print_cr("Unsafe: cannot throw %s because FindClass has failed", buf); |
|
4f6bf7dd3f52
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents:
12316
diff
changeset
|
859 return; |
|
4f6bf7dd3f52
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents:
12316
diff
changeset
|
860 } |
| 0 | 861 char* msg = NULL; |
| 862 env->ThrowNew(cls, msg); | |
| 863 } | |
| 864 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
865 static jclass Unsafe_DefineClass_impl(JNIEnv *env, jstring name, jbyteArray data, int offset, int length, jobject loader, jobject pd) { |
| 0 | 866 { |
| 867 // Code lifted from JDK 1.3 ClassLoader.c | |
| 868 | |
| 869 jbyte *body; | |
| 870 char *utfName; | |
| 871 jclass result = 0; | |
| 872 char buf[128]; | |
| 873 | |
| 874 if (UsePerfData) { | |
| 875 ClassLoader::unsafe_defineClassCallCounter()->inc(); | |
| 876 } | |
| 877 | |
| 878 if (data == NULL) { | |
| 879 throw_new(env, "NullPointerException"); | |
| 880 return 0; | |
| 881 } | |
| 882 | |
| 883 /* Work around 4153825. malloc crashes on Solaris when passed a | |
| 884 * negative size. | |
| 885 */ | |
| 886 if (length < 0) { | |
| 887 throw_new(env, "ArrayIndexOutOfBoundsException"); | |
| 888 return 0; | |
| 889 } | |
| 890 | |
| 6197 | 891 body = NEW_C_HEAP_ARRAY(jbyte, length, mtInternal); |
| 0 | 892 |
| 893 if (body == 0) { | |
| 894 throw_new(env, "OutOfMemoryError"); | |
| 895 return 0; | |
| 896 } | |
| 897 | |
| 898 env->GetByteArrayRegion(data, offset, length, body); | |
| 899 | |
| 900 if (env->ExceptionOccurred()) | |
| 901 goto free_body; | |
| 902 | |
| 903 if (name != NULL) { | |
| 904 uint len = env->GetStringUTFLength(name); | |
| 905 int unicode_len = env->GetStringLength(name); | |
| 906 if (len >= sizeof(buf)) { | |
| 6197 | 907 utfName = NEW_C_HEAP_ARRAY(char, len + 1, mtInternal); |
| 0 | 908 if (utfName == NULL) { |
| 909 throw_new(env, "OutOfMemoryError"); | |
| 910 goto free_body; | |
| 911 } | |
| 912 } else { | |
| 913 utfName = buf; | |
| 914 } | |
| 915 env->GetStringUTFRegion(name, 0, unicode_len, utfName); | |
| 916 //VerifyFixClassname(utfName); | |
| 917 for (uint i = 0; i < len; i++) { | |
| 918 if (utfName[i] == '.') utfName[i] = '/'; | |
| 919 } | |
| 920 } else { | |
| 921 utfName = NULL; | |
| 922 } | |
| 923 | |
| 924 result = JVM_DefineClass(env, utfName, loader, body, length, pd); | |
| 925 | |
| 926 if (utfName && utfName != buf) | |
| 6197 | 927 FREE_C_HEAP_ARRAY(char, utfName, mtInternal); |
| 0 | 928 |
| 929 free_body: | |
| 6197 | 930 FREE_C_HEAP_ARRAY(jbyte, body, mtInternal); |
| 0 | 931 return result; |
| 932 } | |
| 933 } | |
| 934 | |
| 935 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
936 UNSAFE_ENTRY(jclass, Unsafe_DefineClass(JNIEnv *env, jobject unsafe, jstring name, jbyteArray data, int offset, int length, jobject loader, jobject pd)) |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
937 UnsafeWrapper("Unsafe_DefineClass"); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
938 { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
939 ThreadToNativeFromVM ttnfv(thread); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
940 return Unsafe_DefineClass_impl(env, name, data, offset, length, loader, pd); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
941 } |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
942 UNSAFE_END |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
943 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
944 |
| 0 | 945 UNSAFE_ENTRY(jclass, Unsafe_DefineClass0(JNIEnv *env, jobject unsafe, jstring name, jbyteArray data, int offset, int length)) |
| 946 UnsafeWrapper("Unsafe_DefineClass"); | |
| 947 { | |
| 948 ThreadToNativeFromVM ttnfv(thread); | |
| 949 | |
| 950 int depthFromDefineClass0 = 1; | |
| 951 jclass caller = JVM_GetCallerClass(env, depthFromDefineClass0); | |
| 952 jobject loader = (caller == NULL) ? NULL : JVM_GetClassLoader(env, caller); | |
| 953 jobject pd = (caller == NULL) ? NULL : JVM_GetProtectionDomain(env, caller); | |
| 954 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
955 return Unsafe_DefineClass_impl(env, name, data, offset, length, loader, pd); |
| 0 | 956 } |
| 957 UNSAFE_END | |
| 958 | |
| 959 | |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
960 #define DAC_Args CLS"[B["OBJ |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
961 // define a class but do not make it known to the class loader or system dictionary |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
962 // - host_class: supplies context for linkage, access control, protection domain, and class loader |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
963 // - data: bytes of a class file, a raw memory address (length gives the number of bytes) |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
964 // - cp_patches: where non-null entries exist, they replace corresponding CP entries in data |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
965 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
966 // When you load an anonymous class U, it works as if you changed its name just before loading, |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
967 // to a name that you will never use again. Since the name is lost, no other class can directly |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
968 // link to any member of U. Just after U is loaded, the only way to use it is reflectively, |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
969 // through java.lang.Class methods like Class.newInstance. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
970 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
971 // Access checks for linkage sites within U continue to follow the same rules as for named classes. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
972 // The package of an anonymous class is given by the package qualifier on the name under which it was loaded. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
973 // An anonymous class also has special privileges to access any member of its host class. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
974 // This is the main reason why this loading operation is unsafe. The purpose of this is to |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
975 // allow language implementations to simulate "open classes"; a host class in effect gets |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
976 // new code when an anonymous class is loaded alongside it. A less convenient but more |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
977 // standard way to do this is with reflection, which can also be set to ignore access |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
978 // restrictions. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
979 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
980 // Access into an anonymous class is possible only through reflection. Therefore, there |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
981 // are no special access rules for calling into an anonymous class. The relaxed access |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
982 // rule for the host class is applied in the opposite direction: A host class reflectively |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
983 // access one of its anonymous classes. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
984 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
985 // If you load the same bytecodes twice, you get two different classes. You can reload |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
986 // the same bytecodes with or without varying CP patches. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
987 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
988 // By using the CP patching array, you can have a new anonymous class U2 refer to an older one U1. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
989 // The bytecodes for U2 should refer to U1 by a symbolic name (doesn't matter what the name is). |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
990 // The CONSTANT_Class entry for that name can be patched to refer directly to U1. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
991 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
992 // This allows, for example, U2 to use U1 as a superclass or super-interface, or as |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
993 // an outer class (so that U2 is an anonymous inner class of anonymous U1). |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
994 // It is not possible for a named class, or an older anonymous class, to refer by |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
995 // name (via its CP) to a newer anonymous class. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
996 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
997 // CP patching may also be used to modify (i.e., hack) the names of methods, classes, |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
998 // or type descriptors used in the loaded anonymous class. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
999 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1000 // Finally, CP patching may be used to introduce "live" objects into the constant pool, |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1001 // instead of "dead" strings. A compiled statement like println((Object)"hello") can |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1002 // be changed to println(greeting), where greeting is an arbitrary object created before |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1003 // the anonymous class is loaded. This is useful in dynamic languages, in which |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1004 // various kinds of metaobjects must be introduced as constants into bytecode. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1005 // Note the cast (Object), which tells the verifier to expect an arbitrary object, |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1006 // not just a literal string. For such ldc instructions, the verifier uses the |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1007 // type Object instead of String, if the loaded constant is not in fact a String. |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1008 |
|
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1009 static instanceKlassHandle |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1010 Unsafe_DefineAnonymousClass_impl(JNIEnv *env, |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1011 jclass host_class, jbyteArray data, jobjectArray cp_patches_jh, |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1012 HeapWord* *temp_alloc, |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1013 TRAPS) { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1014 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1015 if (UsePerfData) { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1016 ClassLoader::unsafe_defineClassCallCounter()->inc(); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1017 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1018 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1019 if (data == NULL) { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1020 THROW_0(vmSymbols::java_lang_NullPointerException()); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1021 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1022 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1023 jint length = typeArrayOop(JNIHandles::resolve_non_null(data))->length(); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1024 jint word_length = (length + sizeof(HeapWord)-1) / sizeof(HeapWord); |
| 6197 | 1025 HeapWord* body = NEW_C_HEAP_ARRAY(HeapWord, word_length, mtInternal); |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1026 if (body == NULL) { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1027 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1028 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1029 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1030 // caller responsible to free it: |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1031 (*temp_alloc) = body; |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1032 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1033 { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1034 jbyte* array_base = typeArrayOop(JNIHandles::resolve_non_null(data))->byte_at_addr(0); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1035 Copy::conjoint_words((HeapWord*) array_base, body, word_length); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1036 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1037 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1038 u1* class_bytes = (u1*) body; |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1039 int class_bytes_length = (int) length; |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1040 if (class_bytes_length < 0) class_bytes_length = 0; |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1041 if (class_bytes == NULL |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1042 || host_class == NULL |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1043 || length != class_bytes_length) |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1044 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1045 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1046 objArrayHandle cp_patches_h; |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1047 if (cp_patches_jh != NULL) { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1048 oop p = JNIHandles::resolve_non_null(cp_patches_jh); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1049 if (!p->is_objArray()) |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1050 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1051 cp_patches_h = objArrayHandle(THREAD, (objArrayOop)p); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1052 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1053 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1054 KlassHandle host_klass(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(host_class))); |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1055 const char* host_source = host_klass->external_name(); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1056 Handle host_loader(THREAD, host_klass->class_loader()); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1057 Handle host_domain(THREAD, host_klass->protection_domain()); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1058 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1059 GrowableArray<Handle>* cp_patches = NULL; |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1060 if (cp_patches_h.not_null()) { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1061 int alen = cp_patches_h->length(); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1062 for (int i = alen-1; i >= 0; i--) { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1063 oop p = cp_patches_h->obj_at(i); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1064 if (p != NULL) { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1065 Handle patch(THREAD, p); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1066 if (cp_patches == NULL) |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1067 cp_patches = new GrowableArray<Handle>(i+1, i+1, Handle()); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1068 cp_patches->at_put(i, patch); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1069 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1070 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1071 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1072 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1073 ClassFileStream st(class_bytes, class_bytes_length, (char*) host_source); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1074 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1075 instanceKlassHandle anon_klass; |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1076 { |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2114
diff
changeset
|
1077 Symbol* no_class_name = NULL; |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1078 Klass* anonk = SystemDictionary::parse_stream(no_class_name, |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1079 host_loader, host_domain, |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1080 &st, host_klass, cp_patches, |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1081 CHECK_NULL); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1082 if (anonk == NULL) return NULL; |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1083 anon_klass = instanceKlassHandle(THREAD, anonk); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1084 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1085 |
|
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1086 return anon_klass; |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1087 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1088 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1089 UNSAFE_ENTRY(jclass, Unsafe_DefineAnonymousClass(JNIEnv *env, jobject unsafe, jclass host_class, jbyteArray data, jobjectArray cp_patches_jh)) |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1090 { |
|
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1091 instanceKlassHandle anon_klass; |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1092 jobject res_jh = NULL; |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1093 |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1094 UnsafeWrapper("Unsafe_DefineAnonymousClass"); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1095 ResourceMark rm(THREAD); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1096 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1097 HeapWord* temp_alloc = NULL; |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1098 |
|
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1099 anon_klass = Unsafe_DefineAnonymousClass_impl(env, host_class, data, |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1100 cp_patches_jh, |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1101 &temp_alloc, THREAD); |
|
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1102 if (anon_klass() != NULL) |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1103 res_jh = JNIHandles::make_local(env, anon_klass->java_mirror()); |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1104 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1105 // try/finally clause: |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1106 if (temp_alloc != NULL) { |
| 6197 | 1107 FREE_C_HEAP_ARRAY(HeapWord, temp_alloc, mtInternal); |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1108 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1109 |
|
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1110 // The anonymous class loader data has been artificially been kept alive to |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1111 // this point. The mirror and any instances of this class have to keep |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1112 // it alive afterwards. |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1113 if (anon_klass() != NULL) { |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1114 anon_klass->class_loader_data()->set_keep_alive(false); |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1115 } |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1116 |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1117 // let caller initialize it as needed... |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1118 |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1119 return (jclass) res_jh; |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1120 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1121 UNSAFE_END |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1122 |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1123 |
| 0 | 1124 |
| 1125 UNSAFE_ENTRY(void, Unsafe_MonitorEnter(JNIEnv *env, jobject unsafe, jobject jobj)) | |
| 1126 UnsafeWrapper("Unsafe_MonitorEnter"); | |
| 1127 { | |
| 1128 if (jobj == NULL) { | |
| 1129 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1130 } | |
| 1131 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 1132 ObjectSynchronizer::jni_enter(obj, CHECK); | |
| 1133 } | |
| 1134 UNSAFE_END | |
| 1135 | |
| 1136 | |
| 1137 UNSAFE_ENTRY(jboolean, Unsafe_TryMonitorEnter(JNIEnv *env, jobject unsafe, jobject jobj)) | |
| 1138 UnsafeWrapper("Unsafe_TryMonitorEnter"); | |
| 1139 { | |
| 1140 if (jobj == NULL) { | |
| 1141 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_FALSE); | |
| 1142 } | |
| 1143 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 1144 bool res = ObjectSynchronizer::jni_try_enter(obj, CHECK_0); | |
| 1145 return (res ? JNI_TRUE : JNI_FALSE); | |
| 1146 } | |
| 1147 UNSAFE_END | |
| 1148 | |
| 1149 | |
| 1150 UNSAFE_ENTRY(void, Unsafe_MonitorExit(JNIEnv *env, jobject unsafe, jobject jobj)) | |
| 1151 UnsafeWrapper("Unsafe_MonitorExit"); | |
| 1152 { | |
| 1153 if (jobj == NULL) { | |
| 1154 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1155 } | |
| 1156 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 1157 ObjectSynchronizer::jni_exit(obj(), CHECK); | |
| 1158 } | |
| 1159 UNSAFE_END | |
| 1160 | |
| 1161 | |
| 1162 UNSAFE_ENTRY(void, Unsafe_ThrowException(JNIEnv *env, jobject unsafe, jthrowable thr)) | |
| 1163 UnsafeWrapper("Unsafe_ThrowException"); | |
| 1164 { | |
| 1165 ThreadToNativeFromVM ttnfv(thread); | |
| 1166 env->Throw(thr); | |
| 1167 } | |
| 1168 UNSAFE_END | |
| 1169 | |
| 1170 // JSR166 ------------------------------------------------------------------ | |
| 1171 | |
| 1172 UNSAFE_ENTRY(jboolean, Unsafe_CompareAndSwapObject(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jobject e_h, jobject x_h)) | |
| 1173 UnsafeWrapper("Unsafe_CompareAndSwapObject"); | |
| 1174 oop x = JNIHandles::resolve(x_h); | |
| 1175 oop e = JNIHandles::resolve(e_h); | |
| 1176 oop p = JNIHandles::resolve(obj); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1177 HeapWord* addr = (HeapWord *)index_oop_from_field_offset_long(p, offset); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1178 oop res = oopDesc::atomic_compare_exchange_oop(x, addr, e, true); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1179 jboolean success = (res == e); |
| 0 | 1180 if (success) |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1181 update_barrier_set((void*)addr, x); |
| 0 | 1182 return success; |
| 1183 UNSAFE_END | |
| 1184 | |
| 1185 UNSAFE_ENTRY(jboolean, Unsafe_CompareAndSwapInt(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jint e, jint x)) | |
| 1186 UnsafeWrapper("Unsafe_CompareAndSwapInt"); | |
| 1187 oop p = JNIHandles::resolve(obj); | |
| 1188 jint* addr = (jint *) index_oop_from_field_offset_long(p, offset); | |
| 1189 return (jint)(Atomic::cmpxchg(x, addr, e)) == e; | |
| 1190 UNSAFE_END | |
| 1191 | |
| 1192 UNSAFE_ENTRY(jboolean, Unsafe_CompareAndSwapLong(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jlong e, jlong x)) | |
| 1193 UnsafeWrapper("Unsafe_CompareAndSwapLong"); | |
| 1194 Handle p (THREAD, JNIHandles::resolve(obj)); | |
| 1195 jlong* addr = (jlong*)(index_oop_from_field_offset_long(p(), offset)); | |
| 1196 if (VM_Version::supports_cx8()) | |
| 1197 return (jlong)(Atomic::cmpxchg(x, addr, e)) == e; | |
| 1198 else { | |
| 1199 jboolean success = false; | |
| 1200 ObjectLocker ol(p, THREAD); | |
| 1201 if (*addr == e) { *addr = x; success = true; } | |
| 1202 return success; | |
| 1203 } | |
| 1204 UNSAFE_END | |
| 1205 | |
| 1206 UNSAFE_ENTRY(void, Unsafe_Park(JNIEnv *env, jobject unsafe, jboolean isAbsolute, jlong time)) | |
| 1207 UnsafeWrapper("Unsafe_Park"); | |
| 10405 | 1208 EventThreadPark event; |
| 14380 | 1209 HOTSPOT_THREAD_PARK_BEGIN((uintptr_t) thread->parker(), (int) isAbsolute, time); |
| 1210 | |
| 0 | 1211 JavaThreadParkedState jtps(thread, time != 0); |
| 1212 thread->parker()->park(isAbsolute != 0, time); | |
| 14380 | 1213 |
| 1214 HOTSPOT_THREAD_PARK_END((uintptr_t) thread->parker()); | |
| 10405 | 1215 if (event.should_commit()) { |
| 1216 oop obj = thread->current_park_blocker(); | |
|
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
10405
diff
changeset
|
1217 event.set_klass((obj != NULL) ? obj->klass() : NULL); |
| 10405 | 1218 event.set_timeout(time); |
|
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
10405
diff
changeset
|
1219 event.set_address((obj != NULL) ? (TYPE_ADDRESS) cast_from_oop<uintptr_t>(obj) : 0); |
| 10405 | 1220 event.commit(); |
| 1221 } | |
| 0 | 1222 UNSAFE_END |
| 1223 | |
| 1224 UNSAFE_ENTRY(void, Unsafe_Unpark(JNIEnv *env, jobject unsafe, jobject jthread)) | |
| 1225 UnsafeWrapper("Unsafe_Unpark"); | |
| 1226 Parker* p = NULL; | |
| 1227 if (jthread != NULL) { | |
| 1228 oop java_thread = JNIHandles::resolve_non_null(jthread); | |
| 1229 if (java_thread != NULL) { | |
| 1230 jlong lp = java_lang_Thread::park_event(java_thread); | |
| 1231 if (lp != 0) { | |
| 1232 // This cast is OK even though the jlong might have been read | |
| 1233 // non-atomically on 32bit systems, since there, one word will | |
| 1234 // always be zero anyway and the value set is always the same | |
| 1235 p = (Parker*)addr_from_java(lp); | |
| 1236 } else { | |
| 1237 // Grab lock if apparently null or using older version of library | |
| 1238 MutexLocker mu(Threads_lock); | |
| 1239 java_thread = JNIHandles::resolve_non_null(jthread); | |
| 1240 if (java_thread != NULL) { | |
| 1241 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
| 1242 if (thr != NULL) { | |
| 1243 p = thr->parker(); | |
| 1244 if (p != NULL) { // Bind to Java thread for next time. | |
| 1245 java_lang_Thread::set_park_event(java_thread, addr_to_java(p)); | |
| 1246 } | |
| 1247 } | |
| 1248 } | |
| 1249 } | |
| 1250 } | |
| 1251 } | |
| 1252 if (p != NULL) { | |
| 14380 | 1253 HOTSPOT_THREAD_UNPARK((uintptr_t) p); |
| 0 | 1254 p->unpark(); |
| 1255 } | |
| 1256 UNSAFE_END | |
| 1257 | |
| 1258 UNSAFE_ENTRY(jint, Unsafe_Loadavg(JNIEnv *env, jobject unsafe, jdoubleArray loadavg, jint nelem)) | |
| 1259 UnsafeWrapper("Unsafe_Loadavg"); | |
| 1260 const int max_nelem = 3; | |
| 1261 double la[max_nelem]; | |
| 1262 jint ret; | |
| 1263 | |
| 1264 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(loadavg)); | |
| 1265 assert(a->is_typeArray(), "must be type array"); | |
| 1266 | |
| 1267 if (nelem < 0 || nelem > max_nelem || a->length() < nelem) { | |
| 1268 ThreadToNativeFromVM ttnfv(thread); | |
| 1269 throw_new(env, "ArrayIndexOutOfBoundsException"); | |
| 1270 return -1; | |
| 1271 } | |
| 1272 | |
| 1273 ret = os::loadavg(la, nelem); | |
| 1274 if (ret == -1) return -1; | |
| 1275 | |
| 1276 // if successful, ret is the number of samples actually retrieved. | |
| 1277 assert(ret >= 0 && ret <= max_nelem, "Unexpected loadavg return value"); | |
| 1278 switch(ret) { | |
| 1279 case 3: a->double_at_put(2, (jdouble)la[2]); // fall through | |
| 1280 case 2: a->double_at_put(1, (jdouble)la[1]); // fall through | |
| 1281 case 1: a->double_at_put(0, (jdouble)la[0]); break; | |
| 1282 } | |
| 1283 return ret; | |
| 1284 UNSAFE_END | |
| 1285 | |
| 1286 UNSAFE_ENTRY(void, Unsafe_PrefetchRead(JNIEnv* env, jclass ignored, jobject obj, jlong offset)) | |
| 1287 UnsafeWrapper("Unsafe_PrefetchRead"); | |
| 1288 oop p = JNIHandles::resolve(obj); | |
| 1289 void* addr = index_oop_from_field_offset_long(p, 0); | |
| 1290 Prefetch::read(addr, (intx)offset); | |
| 1291 UNSAFE_END | |
| 1292 | |
| 1293 UNSAFE_ENTRY(void, Unsafe_PrefetchWrite(JNIEnv* env, jclass ignored, jobject obj, jlong offset)) | |
| 1294 UnsafeWrapper("Unsafe_PrefetchWrite"); | |
| 1295 oop p = JNIHandles::resolve(obj); | |
| 1296 void* addr = index_oop_from_field_offset_long(p, 0); | |
| 1297 Prefetch::write(addr, (intx)offset); | |
| 1298 UNSAFE_END | |
| 1299 | |
| 1300 | |
| 1301 /// JVM_RegisterUnsafeMethods | |
| 1302 | |
| 1303 #define ADR "J" | |
| 1304 | |
| 1305 #define LANG "Ljava/lang/" | |
| 1306 | |
| 1307 #define OBJ LANG"Object;" | |
| 1308 #define CLS LANG"Class;" | |
| 1309 #define CTR LANG"reflect/Constructor;" | |
| 1310 #define FLD LANG"reflect/Field;" | |
| 1311 #define MTH LANG"reflect/Method;" | |
| 1312 #define THR LANG"Throwable;" | |
| 1313 | |
| 1314 #define DC0_Args LANG"String;[BII" | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1315 #define DC_Args DC0_Args LANG"ClassLoader;" "Ljava/security/ProtectionDomain;" |
| 0 | 1316 |
| 1317 #define CC (char*) /*cast a literal from (const char*)*/ | |
| 1318 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &f) | |
| 1319 | |
| 1320 // define deprecated accessors for compabitility with 1.4.0 | |
| 1321 #define DECLARE_GETSETOOP_140(Boolean, Z) \ | |
| 1322 {CC"get"#Boolean, CC"("OBJ"I)"#Z, FN_PTR(Unsafe_Get##Boolean##140)}, \ | |
| 1323 {CC"put"#Boolean, CC"("OBJ"I"#Z")V", FN_PTR(Unsafe_Set##Boolean##140)} | |
| 1324 | |
| 1325 // Note: In 1.4.1, getObject and kin take both int and long offsets. | |
| 1326 #define DECLARE_GETSETOOP_141(Boolean, Z) \ | |
| 1327 {CC"get"#Boolean, CC"("OBJ"J)"#Z, FN_PTR(Unsafe_Get##Boolean)}, \ | |
| 1328 {CC"put"#Boolean, CC"("OBJ"J"#Z")V", FN_PTR(Unsafe_Set##Boolean)} | |
| 1329 | |
| 1330 // Note: In 1.5.0, there are volatile versions too | |
| 1331 #define DECLARE_GETSETOOP(Boolean, Z) \ | |
| 1332 {CC"get"#Boolean, CC"("OBJ"J)"#Z, FN_PTR(Unsafe_Get##Boolean)}, \ | |
| 1333 {CC"put"#Boolean, CC"("OBJ"J"#Z")V", FN_PTR(Unsafe_Set##Boolean)}, \ | |
| 1334 {CC"get"#Boolean"Volatile", CC"("OBJ"J)"#Z, FN_PTR(Unsafe_Get##Boolean##Volatile)}, \ | |
| 1335 {CC"put"#Boolean"Volatile", CC"("OBJ"J"#Z")V", FN_PTR(Unsafe_Set##Boolean##Volatile)} | |
| 1336 | |
| 1337 | |
| 1338 #define DECLARE_GETSETNATIVE(Byte, B) \ | |
| 1339 {CC"get"#Byte, CC"("ADR")"#B, FN_PTR(Unsafe_GetNative##Byte)}, \ | |
| 1340 {CC"put"#Byte, CC"("ADR#B")V", FN_PTR(Unsafe_SetNative##Byte)} | |
| 1341 | |
| 1342 | |
| 1343 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1344 // These are the methods for 1.4.0 |
| 0 | 1345 static JNINativeMethod methods_140[] = { |
| 1346 {CC"getObject", CC"("OBJ"I)"OBJ"", FN_PTR(Unsafe_GetObject140)}, | |
| 1347 {CC"putObject", CC"("OBJ"I"OBJ")V", FN_PTR(Unsafe_SetObject140)}, | |
| 1348 | |
| 1349 DECLARE_GETSETOOP_140(Boolean, Z), | |
| 1350 DECLARE_GETSETOOP_140(Byte, B), | |
| 1351 DECLARE_GETSETOOP_140(Short, S), | |
| 1352 DECLARE_GETSETOOP_140(Char, C), | |
| 1353 DECLARE_GETSETOOP_140(Int, I), | |
| 1354 DECLARE_GETSETOOP_140(Long, J), | |
| 1355 DECLARE_GETSETOOP_140(Float, F), | |
| 1356 DECLARE_GETSETOOP_140(Double, D), | |
| 1357 | |
| 1358 DECLARE_GETSETNATIVE(Byte, B), | |
| 1359 DECLARE_GETSETNATIVE(Short, S), | |
| 1360 DECLARE_GETSETNATIVE(Char, C), | |
| 1361 DECLARE_GETSETNATIVE(Int, I), | |
| 1362 DECLARE_GETSETNATIVE(Long, J), | |
| 1363 DECLARE_GETSETNATIVE(Float, F), | |
| 1364 DECLARE_GETSETNATIVE(Double, D), | |
| 1365 | |
| 1366 {CC"getAddress", CC"("ADR")"ADR, FN_PTR(Unsafe_GetNativeAddress)}, | |
| 1367 {CC"putAddress", CC"("ADR""ADR")V", FN_PTR(Unsafe_SetNativeAddress)}, | |
| 1368 | |
| 1369 {CC"allocateMemory", CC"(J)"ADR, FN_PTR(Unsafe_AllocateMemory)}, | |
| 1370 {CC"reallocateMemory", CC"("ADR"J)"ADR, FN_PTR(Unsafe_ReallocateMemory)}, | |
| 1371 {CC"freeMemory", CC"("ADR")V", FN_PTR(Unsafe_FreeMemory)}, | |
| 1372 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1373 {CC"fieldOffset", CC"("FLD")I", FN_PTR(Unsafe_FieldOffset)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1374 {CC"staticFieldBase", CC"("CLS")"OBJ, FN_PTR(Unsafe_StaticFieldBaseFromClass)}, |
| 0 | 1375 {CC"ensureClassInitialized",CC"("CLS")V", FN_PTR(Unsafe_EnsureClassInitialized)}, |
| 1376 {CC"arrayBaseOffset", CC"("CLS")I", FN_PTR(Unsafe_ArrayBaseOffset)}, | |
| 1377 {CC"arrayIndexScale", CC"("CLS")I", FN_PTR(Unsafe_ArrayIndexScale)}, | |
| 1378 {CC"addressSize", CC"()I", FN_PTR(Unsafe_AddressSize)}, | |
| 1379 {CC"pageSize", CC"()I", FN_PTR(Unsafe_PageSize)}, | |
| 1380 | |
| 1381 {CC"defineClass", CC"("DC0_Args")"CLS, FN_PTR(Unsafe_DefineClass0)}, | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1382 {CC"defineClass", CC"("DC_Args")"CLS, FN_PTR(Unsafe_DefineClass)}, |
| 0 | 1383 {CC"allocateInstance", CC"("CLS")"OBJ, FN_PTR(Unsafe_AllocateInstance)}, |
| 1384 {CC"monitorEnter", CC"("OBJ")V", FN_PTR(Unsafe_MonitorEnter)}, | |
| 1385 {CC"monitorExit", CC"("OBJ")V", FN_PTR(Unsafe_MonitorExit)}, | |
| 1386 {CC"throwException", CC"("THR")V", FN_PTR(Unsafe_ThrowException)} | |
| 1387 }; | |
| 1388 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1389 // These are the methods prior to the JSR 166 changes in 1.5.0 |
| 0 | 1390 static JNINativeMethod methods_141[] = { |
| 1391 {CC"getObject", CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObject)}, | |
| 1392 {CC"putObject", CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObject)}, | |
| 1393 | |
| 1394 DECLARE_GETSETOOP_141(Boolean, Z), | |
| 1395 DECLARE_GETSETOOP_141(Byte, B), | |
| 1396 DECLARE_GETSETOOP_141(Short, S), | |
| 1397 DECLARE_GETSETOOP_141(Char, C), | |
| 1398 DECLARE_GETSETOOP_141(Int, I), | |
| 1399 DECLARE_GETSETOOP_141(Long, J), | |
| 1400 DECLARE_GETSETOOP_141(Float, F), | |
| 1401 DECLARE_GETSETOOP_141(Double, D), | |
| 1402 | |
| 1403 DECLARE_GETSETNATIVE(Byte, B), | |
| 1404 DECLARE_GETSETNATIVE(Short, S), | |
| 1405 DECLARE_GETSETNATIVE(Char, C), | |
| 1406 DECLARE_GETSETNATIVE(Int, I), | |
| 1407 DECLARE_GETSETNATIVE(Long, J), | |
| 1408 DECLARE_GETSETNATIVE(Float, F), | |
| 1409 DECLARE_GETSETNATIVE(Double, D), | |
| 1410 | |
| 1411 {CC"getAddress", CC"("ADR")"ADR, FN_PTR(Unsafe_GetNativeAddress)}, | |
| 1412 {CC"putAddress", CC"("ADR""ADR")V", FN_PTR(Unsafe_SetNativeAddress)}, | |
| 1413 | |
| 1414 {CC"allocateMemory", CC"(J)"ADR, FN_PTR(Unsafe_AllocateMemory)}, | |
| 1415 {CC"reallocateMemory", CC"("ADR"J)"ADR, FN_PTR(Unsafe_ReallocateMemory)}, | |
| 1416 {CC"freeMemory", CC"("ADR")V", FN_PTR(Unsafe_FreeMemory)}, | |
| 1417 | |
| 1418 {CC"objectFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_ObjectFieldOffset)}, | |
| 1419 {CC"staticFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_StaticFieldOffset)}, | |
| 1420 {CC"staticFieldBase", CC"("FLD")"OBJ, FN_PTR(Unsafe_StaticFieldBaseFromField)}, | |
| 1421 {CC"ensureClassInitialized",CC"("CLS")V", FN_PTR(Unsafe_EnsureClassInitialized)}, | |
| 1422 {CC"arrayBaseOffset", CC"("CLS")I", FN_PTR(Unsafe_ArrayBaseOffset)}, | |
| 1423 {CC"arrayIndexScale", CC"("CLS")I", FN_PTR(Unsafe_ArrayIndexScale)}, | |
| 1424 {CC"addressSize", CC"()I", FN_PTR(Unsafe_AddressSize)}, | |
| 1425 {CC"pageSize", CC"()I", FN_PTR(Unsafe_PageSize)}, | |
| 1426 | |
| 1427 {CC"defineClass", CC"("DC0_Args")"CLS, FN_PTR(Unsafe_DefineClass0)}, | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1428 {CC"defineClass", CC"("DC_Args")"CLS, FN_PTR(Unsafe_DefineClass)}, |
| 0 | 1429 {CC"allocateInstance", CC"("CLS")"OBJ, FN_PTR(Unsafe_AllocateInstance)}, |
| 1430 {CC"monitorEnter", CC"("OBJ")V", FN_PTR(Unsafe_MonitorEnter)}, | |
| 1431 {CC"monitorExit", CC"("OBJ")V", FN_PTR(Unsafe_MonitorExit)}, | |
| 1432 {CC"throwException", CC"("THR")V", FN_PTR(Unsafe_ThrowException)} | |
| 1433 | |
| 1434 }; | |
| 1435 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1436 // These are the methods prior to the JSR 166 changes in 1.6.0 |
| 0 | 1437 static JNINativeMethod methods_15[] = { |
| 1438 {CC"getObject", CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObject)}, | |
| 1439 {CC"putObject", CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObject)}, | |
| 1440 {CC"getObjectVolatile",CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObjectVolatile)}, | |
| 1441 {CC"putObjectVolatile",CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObjectVolatile)}, | |
| 1442 | |
| 1443 | |
| 1444 DECLARE_GETSETOOP(Boolean, Z), | |
| 1445 DECLARE_GETSETOOP(Byte, B), | |
| 1446 DECLARE_GETSETOOP(Short, S), | |
| 1447 DECLARE_GETSETOOP(Char, C), | |
| 1448 DECLARE_GETSETOOP(Int, I), | |
| 1449 DECLARE_GETSETOOP(Long, J), | |
| 1450 DECLARE_GETSETOOP(Float, F), | |
| 1451 DECLARE_GETSETOOP(Double, D), | |
| 1452 | |
| 1453 DECLARE_GETSETNATIVE(Byte, B), | |
| 1454 DECLARE_GETSETNATIVE(Short, S), | |
| 1455 DECLARE_GETSETNATIVE(Char, C), | |
| 1456 DECLARE_GETSETNATIVE(Int, I), | |
| 1457 DECLARE_GETSETNATIVE(Long, J), | |
| 1458 DECLARE_GETSETNATIVE(Float, F), | |
| 1459 DECLARE_GETSETNATIVE(Double, D), | |
| 1460 | |
| 1461 {CC"getAddress", CC"("ADR")"ADR, FN_PTR(Unsafe_GetNativeAddress)}, | |
| 1462 {CC"putAddress", CC"("ADR""ADR")V", FN_PTR(Unsafe_SetNativeAddress)}, | |
| 1463 | |
| 1464 {CC"allocateMemory", CC"(J)"ADR, FN_PTR(Unsafe_AllocateMemory)}, | |
| 1465 {CC"reallocateMemory", CC"("ADR"J)"ADR, FN_PTR(Unsafe_ReallocateMemory)}, | |
| 1466 {CC"freeMemory", CC"("ADR")V", FN_PTR(Unsafe_FreeMemory)}, | |
| 1467 | |
| 1468 {CC"objectFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_ObjectFieldOffset)}, | |
| 1469 {CC"staticFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_StaticFieldOffset)}, | |
| 1470 {CC"staticFieldBase", CC"("FLD")"OBJ, FN_PTR(Unsafe_StaticFieldBaseFromField)}, | |
| 1471 {CC"ensureClassInitialized",CC"("CLS")V", FN_PTR(Unsafe_EnsureClassInitialized)}, | |
| 1472 {CC"arrayBaseOffset", CC"("CLS")I", FN_PTR(Unsafe_ArrayBaseOffset)}, | |
| 1473 {CC"arrayIndexScale", CC"("CLS")I", FN_PTR(Unsafe_ArrayIndexScale)}, | |
| 1474 {CC"addressSize", CC"()I", FN_PTR(Unsafe_AddressSize)}, | |
| 1475 {CC"pageSize", CC"()I", FN_PTR(Unsafe_PageSize)}, | |
| 1476 | |
| 1477 {CC"defineClass", CC"("DC0_Args")"CLS, FN_PTR(Unsafe_DefineClass0)}, | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1478 {CC"defineClass", CC"("DC_Args")"CLS, FN_PTR(Unsafe_DefineClass)}, |
| 0 | 1479 {CC"allocateInstance", CC"("CLS")"OBJ, FN_PTR(Unsafe_AllocateInstance)}, |
| 1480 {CC"monitorEnter", CC"("OBJ")V", FN_PTR(Unsafe_MonitorEnter)}, | |
| 1481 {CC"monitorExit", CC"("OBJ")V", FN_PTR(Unsafe_MonitorExit)}, | |
| 1482 {CC"throwException", CC"("THR")V", FN_PTR(Unsafe_ThrowException)}, | |
| 1483 {CC"compareAndSwapObject", CC"("OBJ"J"OBJ""OBJ")Z", FN_PTR(Unsafe_CompareAndSwapObject)}, | |
| 1484 {CC"compareAndSwapInt", CC"("OBJ"J""I""I"")Z", FN_PTR(Unsafe_CompareAndSwapInt)}, | |
| 1485 {CC"compareAndSwapLong", CC"("OBJ"J""J""J"")Z", FN_PTR(Unsafe_CompareAndSwapLong)}, | |
| 1486 {CC"park", CC"(ZJ)V", FN_PTR(Unsafe_Park)}, | |
| 1487 {CC"unpark", CC"("OBJ")V", FN_PTR(Unsafe_Unpark)} | |
| 1488 | |
| 1489 }; | |
| 1490 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1491 // These are the methods for 1.6.0 and 1.7.0 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1492 static JNINativeMethod methods_16[] = { |
| 0 | 1493 {CC"getObject", CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObject)}, |
| 1494 {CC"putObject", CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObject)}, | |
| 1495 {CC"getObjectVolatile",CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObjectVolatile)}, | |
| 1496 {CC"putObjectVolatile",CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObjectVolatile)}, | |
| 1497 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1498 DECLARE_GETSETOOP(Boolean, Z), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1499 DECLARE_GETSETOOP(Byte, B), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1500 DECLARE_GETSETOOP(Short, S), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1501 DECLARE_GETSETOOP(Char, C), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1502 DECLARE_GETSETOOP(Int, I), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1503 DECLARE_GETSETOOP(Long, J), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1504 DECLARE_GETSETOOP(Float, F), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1505 DECLARE_GETSETOOP(Double, D), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1506 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1507 DECLARE_GETSETNATIVE(Byte, B), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1508 DECLARE_GETSETNATIVE(Short, S), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1509 DECLARE_GETSETNATIVE(Char, C), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1510 DECLARE_GETSETNATIVE(Int, I), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1511 DECLARE_GETSETNATIVE(Long, J), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1512 DECLARE_GETSETNATIVE(Float, F), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1513 DECLARE_GETSETNATIVE(Double, D), |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1514 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1515 {CC"getAddress", CC"("ADR")"ADR, FN_PTR(Unsafe_GetNativeAddress)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1516 {CC"putAddress", CC"("ADR""ADR")V", FN_PTR(Unsafe_SetNativeAddress)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1517 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1518 {CC"allocateMemory", CC"(J)"ADR, FN_PTR(Unsafe_AllocateMemory)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1519 {CC"reallocateMemory", CC"("ADR"J)"ADR, FN_PTR(Unsafe_ReallocateMemory)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1520 {CC"freeMemory", CC"("ADR")V", FN_PTR(Unsafe_FreeMemory)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1521 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1522 {CC"objectFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_ObjectFieldOffset)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1523 {CC"staticFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_StaticFieldOffset)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1524 {CC"staticFieldBase", CC"("FLD")"OBJ, FN_PTR(Unsafe_StaticFieldBaseFromField)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1525 {CC"ensureClassInitialized",CC"("CLS")V", FN_PTR(Unsafe_EnsureClassInitialized)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1526 {CC"arrayBaseOffset", CC"("CLS")I", FN_PTR(Unsafe_ArrayBaseOffset)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1527 {CC"arrayIndexScale", CC"("CLS")I", FN_PTR(Unsafe_ArrayIndexScale)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1528 {CC"addressSize", CC"()I", FN_PTR(Unsafe_AddressSize)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1529 {CC"pageSize", CC"()I", FN_PTR(Unsafe_PageSize)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1530 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1531 {CC"defineClass", CC"("DC0_Args")"CLS, FN_PTR(Unsafe_DefineClass0)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1532 {CC"defineClass", CC"("DC_Args")"CLS, FN_PTR(Unsafe_DefineClass)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1533 {CC"allocateInstance", CC"("CLS")"OBJ, FN_PTR(Unsafe_AllocateInstance)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1534 {CC"monitorEnter", CC"("OBJ")V", FN_PTR(Unsafe_MonitorEnter)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1535 {CC"monitorExit", CC"("OBJ")V", FN_PTR(Unsafe_MonitorExit)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1536 {CC"tryMonitorEnter", CC"("OBJ")Z", FN_PTR(Unsafe_TryMonitorEnter)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1537 {CC"throwException", CC"("THR")V", FN_PTR(Unsafe_ThrowException)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1538 {CC"compareAndSwapObject", CC"("OBJ"J"OBJ""OBJ")Z", FN_PTR(Unsafe_CompareAndSwapObject)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1539 {CC"compareAndSwapInt", CC"("OBJ"J""I""I"")Z", FN_PTR(Unsafe_CompareAndSwapInt)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1540 {CC"compareAndSwapLong", CC"("OBJ"J""J""J"")Z", FN_PTR(Unsafe_CompareAndSwapLong)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1541 {CC"putOrderedObject", CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetOrderedObject)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1542 {CC"putOrderedInt", CC"("OBJ"JI)V", FN_PTR(Unsafe_SetOrderedInt)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1543 {CC"putOrderedLong", CC"("OBJ"JJ)V", FN_PTR(Unsafe_SetOrderedLong)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1544 {CC"park", CC"(ZJ)V", FN_PTR(Unsafe_Park)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1545 {CC"unpark", CC"("OBJ")V", FN_PTR(Unsafe_Unpark)} |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1546 }; |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1547 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1548 // These are the methods for 1.8.0 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1549 static JNINativeMethod methods_18[] = { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1550 {CC"getObject", CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObject)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1551 {CC"putObject", CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObject)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1552 {CC"getObjectVolatile",CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObjectVolatile)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1553 {CC"putObjectVolatile",CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObjectVolatile)}, |
| 0 | 1554 |
| 1555 DECLARE_GETSETOOP(Boolean, Z), | |
| 1556 DECLARE_GETSETOOP(Byte, B), | |
| 1557 DECLARE_GETSETOOP(Short, S), | |
| 1558 DECLARE_GETSETOOP(Char, C), | |
| 1559 DECLARE_GETSETOOP(Int, I), | |
| 1560 DECLARE_GETSETOOP(Long, J), | |
| 1561 DECLARE_GETSETOOP(Float, F), | |
| 1562 DECLARE_GETSETOOP(Double, D), | |
| 1563 | |
| 1564 DECLARE_GETSETNATIVE(Byte, B), | |
| 1565 DECLARE_GETSETNATIVE(Short, S), | |
| 1566 DECLARE_GETSETNATIVE(Char, C), | |
| 1567 DECLARE_GETSETNATIVE(Int, I), | |
| 1568 DECLARE_GETSETNATIVE(Long, J), | |
| 1569 DECLARE_GETSETNATIVE(Float, F), | |
| 1570 DECLARE_GETSETNATIVE(Double, D), | |
| 1571 | |
| 1572 {CC"getAddress", CC"("ADR")"ADR, FN_PTR(Unsafe_GetNativeAddress)}, | |
| 1573 {CC"putAddress", CC"("ADR""ADR")V", FN_PTR(Unsafe_SetNativeAddress)}, | |
| 1574 | |
| 1575 {CC"allocateMemory", CC"(J)"ADR, FN_PTR(Unsafe_AllocateMemory)}, | |
| 1576 {CC"reallocateMemory", CC"("ADR"J)"ADR, FN_PTR(Unsafe_ReallocateMemory)}, | |
| 1577 {CC"freeMemory", CC"("ADR")V", FN_PTR(Unsafe_FreeMemory)}, | |
| 1578 | |
| 1579 {CC"objectFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_ObjectFieldOffset)}, | |
| 1580 {CC"staticFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_StaticFieldOffset)}, | |
| 1581 {CC"staticFieldBase", CC"("FLD")"OBJ, FN_PTR(Unsafe_StaticFieldBaseFromField)}, | |
| 1582 {CC"ensureClassInitialized",CC"("CLS")V", FN_PTR(Unsafe_EnsureClassInitialized)}, | |
| 1583 {CC"arrayBaseOffset", CC"("CLS")I", FN_PTR(Unsafe_ArrayBaseOffset)}, | |
| 1584 {CC"arrayIndexScale", CC"("CLS")I", FN_PTR(Unsafe_ArrayIndexScale)}, | |
| 1585 {CC"addressSize", CC"()I", FN_PTR(Unsafe_AddressSize)}, | |
| 1586 {CC"pageSize", CC"()I", FN_PTR(Unsafe_PageSize)}, | |
| 1587 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1588 {CC"defineClass", CC"("DC_Args")"CLS, FN_PTR(Unsafe_DefineClass)}, |
| 0 | 1589 {CC"allocateInstance", CC"("CLS")"OBJ, FN_PTR(Unsafe_AllocateInstance)}, |
| 1590 {CC"monitorEnter", CC"("OBJ")V", FN_PTR(Unsafe_MonitorEnter)}, | |
| 1591 {CC"monitorExit", CC"("OBJ")V", FN_PTR(Unsafe_MonitorExit)}, | |
| 1592 {CC"tryMonitorEnter", CC"("OBJ")Z", FN_PTR(Unsafe_TryMonitorEnter)}, | |
| 1593 {CC"throwException", CC"("THR")V", FN_PTR(Unsafe_ThrowException)}, | |
| 1594 {CC"compareAndSwapObject", CC"("OBJ"J"OBJ""OBJ")Z", FN_PTR(Unsafe_CompareAndSwapObject)}, | |
| 1595 {CC"compareAndSwapInt", CC"("OBJ"J""I""I"")Z", FN_PTR(Unsafe_CompareAndSwapInt)}, | |
| 1596 {CC"compareAndSwapLong", CC"("OBJ"J""J""J"")Z", FN_PTR(Unsafe_CompareAndSwapLong)}, | |
| 1597 {CC"putOrderedObject", CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetOrderedObject)}, | |
| 1598 {CC"putOrderedInt", CC"("OBJ"JI)V", FN_PTR(Unsafe_SetOrderedInt)}, | |
| 1599 {CC"putOrderedLong", CC"("OBJ"JJ)V", FN_PTR(Unsafe_SetOrderedLong)}, | |
| 1600 {CC"park", CC"(ZJ)V", FN_PTR(Unsafe_Park)}, | |
| 1601 {CC"unpark", CC"("OBJ")V", FN_PTR(Unsafe_Unpark)} | |
| 1602 }; | |
| 1603 | |
| 1604 JNINativeMethod loadavg_method[] = { | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1605 {CC"getLoadAverage", CC"([DI)I", FN_PTR(Unsafe_Loadavg)} |
| 0 | 1606 }; |
| 1607 | |
| 1608 JNINativeMethod prefetch_methods[] = { | |
| 1609 {CC"prefetchRead", CC"("OBJ"J)V", FN_PTR(Unsafe_PrefetchRead)}, | |
| 1610 {CC"prefetchWrite", CC"("OBJ"J)V", FN_PTR(Unsafe_PrefetchWrite)}, | |
| 1611 {CC"prefetchReadStatic", CC"("OBJ"J)V", FN_PTR(Unsafe_PrefetchRead)}, | |
| 1612 {CC"prefetchWriteStatic",CC"("OBJ"J)V", FN_PTR(Unsafe_PrefetchWrite)} | |
| 1613 }; | |
| 1614 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1615 JNINativeMethod memcopy_methods_17[] = { |
| 0 | 1616 {CC"copyMemory", CC"("OBJ"J"OBJ"JJ)V", FN_PTR(Unsafe_CopyMemory2)}, |
| 1617 {CC"setMemory", CC"("OBJ"JJB)V", FN_PTR(Unsafe_SetMemory2)} | |
| 1618 }; | |
| 1619 | |
| 1620 JNINativeMethod memcopy_methods_15[] = { | |
| 1621 {CC"setMemory", CC"("ADR"JB)V", FN_PTR(Unsafe_SetMemory)}, | |
| 1622 {CC"copyMemory", CC"("ADR ADR"J)V", FN_PTR(Unsafe_CopyMemory)} | |
| 1623 }; | |
| 1624 | |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1625 JNINativeMethod anonk_methods[] = { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1626 {CC"defineAnonymousClass", CC"("DAC_Args")"CLS, FN_PTR(Unsafe_DefineAnonymousClass)}, |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1627 }; |
| 0 | 1628 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
1629 JNINativeMethod lform_methods[] = { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
1630 {CC"shouldBeInitialized",CC"("CLS")Z", FN_PTR(Unsafe_ShouldBeInitialized)}, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
1631 }; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
1632 |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1633 JNINativeMethod fence_methods[] = { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1634 {CC"loadFence", CC"()V", FN_PTR(Unsafe_LoadFence)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1635 {CC"storeFence", CC"()V", FN_PTR(Unsafe_StoreFence)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1636 {CC"fullFence", CC"()V", FN_PTR(Unsafe_FullFence)}, |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1637 }; |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1638 |
| 0 | 1639 #undef CC |
| 1640 #undef FN_PTR | |
| 1641 | |
| 1642 #undef ADR | |
| 1643 #undef LANG | |
| 1644 #undef OBJ | |
| 1645 #undef CLS | |
| 1646 #undef CTR | |
| 1647 #undef FLD | |
| 1648 #undef MTH | |
| 1649 #undef THR | |
| 1650 #undef DC0_Args | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1651 #undef DC_Args |
| 0 | 1652 |
| 1653 #undef DECLARE_GETSETOOP | |
| 1654 #undef DECLARE_GETSETNATIVE | |
| 1655 | |
| 1656 | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1657 /** |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1658 * Helper method to register native methods. |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1659 */ |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1660 static bool register_natives(const char* message, JNIEnv* env, jclass clazz, const JNINativeMethod* methods, jint nMethods) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1661 int status = env->RegisterNatives(clazz, methods, nMethods); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1662 if (status < 0 || env->ExceptionOccurred()) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1663 if (PrintMiscellaneous && (Verbose || WizardMode)) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1664 tty->print_cr("Unsafe: failed registering %s", message); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1665 } |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1666 env->ExceptionClear(); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1667 return false; |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1668 } else { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1669 if (PrintMiscellaneous && (Verbose || WizardMode)) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1670 tty->print_cr("Unsafe: successfully registered %s", message); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1671 } |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1672 return true; |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1673 } |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1674 } |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1675 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1676 |
| 0 | 1677 // This one function is exported, used by NativeLookup. |
| 1678 // The Unsafe_xxx functions above are called only from the interpreter. | |
| 1679 // The optimizer looks at names and signatures to recognize | |
| 1680 // individual functions. | |
| 1681 | |
| 1682 JVM_ENTRY(void, JVM_RegisterUnsafeMethods(JNIEnv *env, jclass unsafecls)) | |
| 1683 UnsafeWrapper("JVM_RegisterUnsafeMethods"); | |
| 1684 { | |
| 1685 ThreadToNativeFromVM ttnfv(thread); | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1686 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1687 // Unsafe methods |
| 0 | 1688 { |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1689 bool success = false; |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1690 // We need to register the 1.6 methods first because the 1.8 methods would register fine on 1.7 and 1.6 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1691 if (!success) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1692 success = register_natives("1.6 methods", env, unsafecls, methods_16, sizeof(methods_16)/sizeof(JNINativeMethod)); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1693 } |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1694 if (!success) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1695 success = register_natives("1.8 methods", env, unsafecls, methods_18, sizeof(methods_18)/sizeof(JNINativeMethod)); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1696 } |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1697 if (!success) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1698 success = register_natives("1.5 methods", env, unsafecls, methods_15, sizeof(methods_15)/sizeof(JNINativeMethod)); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1699 } |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1700 if (!success) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1701 success = register_natives("1.4.1 methods", env, unsafecls, methods_141, sizeof(methods_141)/sizeof(JNINativeMethod)); |
| 0 | 1702 } |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1703 if (!success) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1704 success = register_natives("1.4.0 methods", env, unsafecls, methods_140, sizeof(methods_140)/sizeof(JNINativeMethod)); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1705 } |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1706 guarantee(success, "register unsafe natives"); |
| 0 | 1707 } |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1708 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1709 // Unsafe.getLoadAverage |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1710 register_natives("1.6 loadavg method", env, unsafecls, loadavg_method, sizeof(loadavg_method)/sizeof(JNINativeMethod)); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1711 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1712 // Prefetch methods |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1713 register_natives("1.6 prefetch methods", env, unsafecls, prefetch_methods, sizeof(prefetch_methods)/sizeof(JNINativeMethod)); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1714 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1715 // Memory copy methods |
| 0 | 1716 { |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1717 bool success = false; |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1718 if (!success) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1719 success = register_natives("1.7 memory copy methods", env, unsafecls, memcopy_methods_17, sizeof(memcopy_methods_17)/sizeof(JNINativeMethod)); |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1720 } |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1721 if (!success) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1722 success = register_natives("1.5 memory copy methods", env, unsafecls, memcopy_methods_15, sizeof(memcopy_methods_15)/sizeof(JNINativeMethod)); |
| 0 | 1723 } |
| 1724 } | |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1725 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1726 // Unsafe.defineAnonymousClass |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2376
diff
changeset
|
1727 if (EnableInvokeDynamic) { |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1728 register_natives("1.7 define anonymous class method", env, unsafecls, anonk_methods, sizeof(anonk_methods)/sizeof(JNINativeMethod)); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
1729 } |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1730 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1731 // Unsafe.shouldBeInitialized |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1732 if (EnableInvokeDynamic) { |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1733 register_natives("1.7 LambdaForm support", env, unsafecls, lform_methods, sizeof(lform_methods)/sizeof(JNINativeMethod)); |
| 0 | 1734 } |
|
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1735 |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1736 // Fence methods |
|
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1737 register_natives("1.8 fence methods", env, unsafecls, fence_methods, sizeof(fence_methods)/sizeof(JNINativeMethod)); |
| 0 | 1738 } |
| 1739 JVM_END |