Mercurial > hg > graal-compiler
annotate src/share/vm/prims/unsafe.cpp @ 10235:6b388e7d4905
8013633: Cleanup platform ifdefs in unsafe.cpp
Summary: Replace ifdefs with SUPPORTS_NATIVE_CX8 set in platform include file
Reviewed-by: dholmes, dlong
author | bpittore |
---|---|
date | Tue, 07 May 2013 10:19:33 -0400 |
parents | 16885e702c88 |
children | 609aad72004a |
rev | line source |
---|---|
0 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2 * Copyright (c) 2000, 2012, 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" | |
39 #include "utilities/copy.hpp" | |
40 #include "utilities/dtrace.hpp" | |
41 | |
0 | 42 /* |
43 * Implementation of class sun.misc.Unsafe | |
44 */ | |
45 | |
4006 | 46 #ifndef USDT2 |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
845
diff
changeset
|
47 HS_DTRACE_PROBE_DECL3(hotspot, thread__park__begin, uintptr_t, int, long long); |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
845
diff
changeset
|
48 HS_DTRACE_PROBE_DECL1(hotspot, thread__park__end, uintptr_t); |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
845
diff
changeset
|
49 HS_DTRACE_PROBE_DECL1(hotspot, thread__unpark, uintptr_t); |
4006 | 50 #endif /* !USDT2 */ |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
845
diff
changeset
|
51 |
0 | 52 #define MAX_OBJECT_SIZE \ |
53 ( arrayOopDesc::header_size(T_DOUBLE) * HeapWordSize \ | |
54 + ((julong)max_jint * sizeof(double)) ) | |
55 | |
56 | |
57 #define UNSAFE_ENTRY(result_type, header) \ | |
58 JVM_ENTRY(result_type, header) | |
59 | |
60 // Can't use UNSAFE_LEAF because it has the signature of a straight | |
61 // call into the runtime (just like JVM_LEAF, funny that) but it's | |
62 // called like a Java Native and thus the wrapper built for it passes | |
63 // arguments like a JNI call. It expects those arguments to be popped | |
64 // from the stack on Intel like all good JNI args are, and adjusts the | |
65 // stack according. Since the JVM_LEAF call expects no extra | |
66 // arguments the stack isn't popped in the C code, is pushed by the | |
67 // wrapper and we get sick. | |
68 //#define UNSAFE_LEAF(result_type, header) \ | |
69 // JVM_LEAF(result_type, header) | |
70 | |
71 #define UNSAFE_END JVM_END | |
72 | |
73 #define UnsafeWrapper(arg) /*nothing, for the present*/ | |
74 | |
75 | |
76 inline void* addr_from_java(jlong addr) { | |
77 // This assert fails in a variety of ways on 32-bit systems. | |
78 // It is impossible to predict whether native code that converts | |
79 // pointers to longs will sign-extend or zero-extend the addresses. | |
80 //assert(addr == (uintptr_t)addr, "must not be odd high bits"); | |
81 return (void*)(uintptr_t)addr; | |
82 } | |
83 | |
84 inline jlong addr_to_java(void* p) { | |
85 assert(p == (void*)(uintptr_t)p, "must not be odd high bits"); | |
86 return (uintptr_t)p; | |
87 } | |
88 | |
89 | |
90 // Note: The VM's obj_field and related accessors use byte-scaled | |
91 // ("unscaled") offsets, just as the unsafe methods do. | |
92 | |
93 // However, the method Unsafe.fieldOffset explicitly declines to | |
94 // guarantee this. The field offset values manipulated by the Java user | |
95 // through the Unsafe API are opaque cookies that just happen to be byte | |
96 // offsets. We represent this state of affairs by passing the cookies | |
97 // through conversion functions when going between the VM and the Unsafe API. | |
98 // The conversion functions just happen to be no-ops at present. | |
99 | |
100 inline jlong field_offset_to_byte_offset(jlong field_offset) { | |
101 return field_offset; | |
102 } | |
103 | |
104 inline jlong field_offset_from_byte_offset(jlong byte_offset) { | |
105 return byte_offset; | |
106 } | |
107 | |
108 inline jint invocation_key_from_method_slot(jint slot) { | |
109 return slot; | |
110 } | |
111 | |
112 inline jint invocation_key_to_method_slot(jint key) { | |
113 return key; | |
114 } | |
115 | |
116 inline void* index_oop_from_field_offset_long(oop p, jlong field_offset) { | |
117 jlong byte_offset = field_offset_to_byte_offset(field_offset); | |
2316
d411927672ed
7012072: CompileTheWorld causes incorrect class initialization
never
parents:
2177
diff
changeset
|
118 // Don't allow unsafe to be used to read or write the header word of oops |
d411927672ed
7012072: CompileTheWorld causes incorrect class initialization
never
parents:
2177
diff
changeset
|
119 assert(p == NULL || field_offset >= oopDesc::header_size(), "offset must be outside of header"); |
0 | 120 #ifdef ASSERT |
121 if (p != NULL) { | |
122 assert(byte_offset >= 0 && byte_offset <= (jlong)MAX_OBJECT_SIZE, "sane offset"); | |
123 if (byte_offset == (jint)byte_offset) { | |
124 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
|
125 assert((void*)p->obj_field_addr<oop>((jint)byte_offset) == ptr_plus_disp, |
0 | 126 "raw [ptr+disp] must be consistent with oop::field_base"); |
127 } | |
6889
e81a8af10cd9
8001071: Add simple range check into VM implemenation of Unsafe access methods
kvn
parents:
6831
diff
changeset
|
128 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
|
129 assert(byte_offset < p_size, err_msg("Unsafe access: offset " INT64_FORMAT " > object's size " INT64_FORMAT, byte_offset, p_size)); |
0 | 130 } |
131 #endif | |
132 if (sizeof(char*) == sizeof(jint)) // (this constant folds!) | |
133 return (address)p + (jint) byte_offset; | |
134 else | |
135 return (address)p + byte_offset; | |
136 } | |
137 | |
138 // Externally callable versions: | |
139 // (Use these in compiler intrinsics which emulate unsafe primitives.) | |
140 jlong Unsafe_field_offset_to_byte_offset(jlong field_offset) { | |
141 return field_offset; | |
142 } | |
143 jlong Unsafe_field_offset_from_byte_offset(jlong byte_offset) { | |
144 return byte_offset; | |
145 } | |
146 jint Unsafe_invocation_key_from_method_slot(jint slot) { | |
147 return invocation_key_from_method_slot(slot); | |
148 } | |
149 jint Unsafe_invocation_key_to_method_slot(jint key) { | |
150 return invocation_key_to_method_slot(key); | |
151 } | |
152 | |
153 | |
154 ///// Data in the Java heap. | |
155 | |
156 #define GET_FIELD(obj, offset, type_name, v) \ | |
157 oop p = JNIHandles::resolve(obj); \ | |
158 type_name v = *(type_name*)index_oop_from_field_offset_long(p, offset) | |
159 | |
160 #define SET_FIELD(obj, offset, type_name, x) \ | |
161 oop p = JNIHandles::resolve(obj); \ | |
162 *(type_name*)index_oop_from_field_offset_long(p, offset) = x | |
163 | |
164 #define GET_FIELD_VOLATILE(obj, offset, type_name, v) \ | |
165 oop p = JNIHandles::resolve(obj); \ | |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
166 volatile type_name v = OrderAccess::load_acquire((volatile type_name*)index_oop_from_field_offset_long(p, offset)); |
0 | 167 |
168 #define SET_FIELD_VOLATILE(obj, offset, type_name, x) \ | |
169 oop p = JNIHandles::resolve(obj); \ | |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
170 OrderAccess::release_store_fence((volatile type_name*)index_oop_from_field_offset_long(p, offset), x); |
0 | 171 |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
172 // 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
|
173 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
174 #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
|
175 oop p = JNIHandles::resolve(obj); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
176 oop v; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
177 if (UseCompressedOops) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
178 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
|
179 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
|
180 } else { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
181 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
|
182 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
183 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
184 |
0 | 185 // Get/SetObject must be special-cased, since it works with handles. |
186 | |
187 // The xxx140 variants for backward compatibility do not allow a full-width offset. | |
188 UNSAFE_ENTRY(jobject, Unsafe_GetObject140(JNIEnv *env, jobject unsafe, jobject obj, jint offset)) | |
189 UnsafeWrapper("Unsafe_GetObject"); | |
190 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
|
191 GET_OOP_FIELD(obj, offset, v) |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
192 jobject ret = JNIHandles::make_local(env, v); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7425
diff
changeset
|
193 #if INCLUDE_ALL_GCS |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
194 // 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
|
195 // 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
|
196 // referent with the SATB barrier. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
197 if (UseG1GC) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
198 bool needs_barrier = false; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
199 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
200 if (ret != NULL) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
201 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
|
202 oop o = JNIHandles::resolve_non_null(obj); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
203 Klass* k = o->klass(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
204 if (InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
205 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
|
206 needs_barrier = true; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
207 } |
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 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
210 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
211 if (needs_barrier) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
212 oop referent = JNIHandles::resolve(ret); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
213 G1SATBCardTableModRefBS::enqueue(referent); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
214 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
215 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7425
diff
changeset
|
216 #endif // INCLUDE_ALL_GCS |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
217 return ret; |
0 | 218 UNSAFE_END |
219 | |
220 UNSAFE_ENTRY(void, Unsafe_SetObject140(JNIEnv *env, jobject unsafe, jobject obj, jint offset, jobject x_h)) | |
221 UnsafeWrapper("Unsafe_SetObject"); | |
222 if (obj == NULL) THROW(vmSymbols::java_lang_NullPointerException()); | |
223 oop x = JNIHandles::resolve(x_h); | |
224 //SET_FIELD(obj, offset, oop, x); | |
225 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
|
226 if (UseCompressedOops) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
227 if (x != NULL) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
228 // 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
|
229 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
|
230 } else { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
231 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
|
232 *(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
|
233 } |
0 | 234 } else { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
235 if (x != NULL) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
236 // 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
|
237 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
|
238 } else { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
239 *(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
|
240 } |
0 | 241 } |
242 UNSAFE_END | |
243 | |
244 // The normal variants allow a null base pointer with an arbitrary address. | |
245 // But if the base pointer is non-null, the offset should make some sense. | |
246 // That is, it should be in the range [0, MAX_OBJECT_SIZE]. | |
247 UNSAFE_ENTRY(jobject, Unsafe_GetObject(JNIEnv *env, jobject unsafe, jobject obj, jlong offset)) | |
248 UnsafeWrapper("Unsafe_GetObject"); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
249 GET_OOP_FIELD(obj, offset, v) |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
250 jobject ret = JNIHandles::make_local(env, v); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7425
diff
changeset
|
251 #if INCLUDE_ALL_GCS |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
252 // 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
|
253 // 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
|
254 // referent with the SATB barrier. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
255 if (UseG1GC) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
256 bool needs_barrier = false; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
257 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
258 if (ret != NULL) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
259 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
|
260 oop o = JNIHandles::resolve(obj); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
261 Klass* k = o->klass(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
262 if (InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
263 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
|
264 needs_barrier = true; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
265 } |
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 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
268 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
269 if (needs_barrier) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
270 oop referent = JNIHandles::resolve(ret); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
271 G1SATBCardTableModRefBS::enqueue(referent); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
272 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
273 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7425
diff
changeset
|
274 #endif // INCLUDE_ALL_GCS |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
275 return ret; |
0 | 276 UNSAFE_END |
277 | |
278 UNSAFE_ENTRY(void, Unsafe_SetObject(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jobject x_h)) | |
279 UnsafeWrapper("Unsafe_SetObject"); | |
280 oop x = JNIHandles::resolve(x_h); | |
281 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
|
282 if (UseCompressedOops) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
283 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
|
284 } else { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
285 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
|
286 } |
0 | 287 UNSAFE_END |
288 | |
289 UNSAFE_ENTRY(jobject, Unsafe_GetObjectVolatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset)) | |
290 UnsafeWrapper("Unsafe_GetObjectVolatile"); | |
6224
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
291 oop p = JNIHandles::resolve(obj); |
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
292 void* addr = index_oop_from_field_offset_long(p, offset); |
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
293 volatile oop v; |
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
294 if (UseCompressedOops) { |
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
295 volatile narrowOop n = *(volatile narrowOop*) addr; |
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
296 v = oopDesc::decode_heap_oop(n); |
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
297 } else { |
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
298 v = *(volatile oop*) addr; |
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
299 } |
56c4f88474b3
7087357: JSR 292: remove obsolete code after 7085860
twisti
parents:
4043
diff
changeset
|
300 OrderAccess::acquire(); |
0 | 301 return JNIHandles::make_local(env, v); |
302 UNSAFE_END | |
303 | |
304 UNSAFE_ENTRY(void, Unsafe_SetObjectVolatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jobject x_h)) | |
305 UnsafeWrapper("Unsafe_SetObjectVolatile"); | |
306 oop x = JNIHandles::resolve(x_h); | |
307 oop p = JNIHandles::resolve(obj); | |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
308 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
|
309 OrderAccess::release(); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
310 if (UseCompressedOops) { |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
311 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
|
312 } else { |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
313 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
|
314 } |
0 | 315 OrderAccess::fence(); |
316 UNSAFE_END | |
317 | |
10235 | 318 #ifndef SUPPORTS_NATIVE_CX8 |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
319 // 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
|
320 |
0 | 321 // Volatile long versions must use locks if !VM_Version::supports_cx8(). |
322 // support_cx8 is a surrogate for 'supports atomic long memory ops'. | |
323 | |
324 UNSAFE_ENTRY(jlong, Unsafe_GetLongVolatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset)) | |
325 UnsafeWrapper("Unsafe_GetLongVolatile"); | |
326 { | |
327 if (VM_Version::supports_cx8()) { | |
328 GET_FIELD_VOLATILE(obj, offset, jlong, v); | |
329 return v; | |
330 } | |
331 else { | |
332 Handle p (THREAD, JNIHandles::resolve(obj)); | |
333 jlong* addr = (jlong*)(index_oop_from_field_offset_long(p(), offset)); | |
334 ObjectLocker ol(p, THREAD); | |
335 jlong value = *addr; | |
336 return value; | |
337 } | |
338 } | |
339 UNSAFE_END | |
340 | |
341 UNSAFE_ENTRY(void, Unsafe_SetLongVolatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jlong x)) | |
342 UnsafeWrapper("Unsafe_SetLongVolatile"); | |
343 { | |
344 if (VM_Version::supports_cx8()) { | |
345 SET_FIELD_VOLATILE(obj, offset, jlong, x); | |
346 } | |
347 else { | |
348 Handle p (THREAD, JNIHandles::resolve(obj)); | |
349 jlong* addr = (jlong*)(index_oop_from_field_offset_long(p(), offset)); | |
350 ObjectLocker ol(p, THREAD); | |
351 *addr = x; | |
352 } | |
353 } | |
354 UNSAFE_END | |
355 | |
10235 | 356 #endif // not SUPPORTS_NATIVE_CX8 |
0 | 357 |
358 #define DEFINE_GETSETOOP(jboolean, Boolean) \ | |
359 \ | |
360 UNSAFE_ENTRY(jboolean, Unsafe_Get##Boolean##140(JNIEnv *env, jobject unsafe, jobject obj, jint offset)) \ | |
361 UnsafeWrapper("Unsafe_Get"#Boolean); \ | |
362 if (obj == NULL) THROW_0(vmSymbols::java_lang_NullPointerException()); \ | |
363 GET_FIELD(obj, offset, jboolean, v); \ | |
364 return v; \ | |
365 UNSAFE_END \ | |
366 \ | |
367 UNSAFE_ENTRY(void, Unsafe_Set##Boolean##140(JNIEnv *env, jobject unsafe, jobject obj, jint offset, jboolean x)) \ | |
368 UnsafeWrapper("Unsafe_Set"#Boolean); \ | |
369 if (obj == NULL) THROW(vmSymbols::java_lang_NullPointerException()); \ | |
370 SET_FIELD(obj, offset, jboolean, x); \ | |
371 UNSAFE_END \ | |
372 \ | |
373 UNSAFE_ENTRY(jboolean, Unsafe_Get##Boolean(JNIEnv *env, jobject unsafe, jobject obj, jlong offset)) \ | |
374 UnsafeWrapper("Unsafe_Get"#Boolean); \ | |
375 GET_FIELD(obj, offset, jboolean, v); \ | |
376 return v; \ | |
377 UNSAFE_END \ | |
378 \ | |
379 UNSAFE_ENTRY(void, Unsafe_Set##Boolean(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jboolean x)) \ | |
380 UnsafeWrapper("Unsafe_Set"#Boolean); \ | |
381 SET_FIELD(obj, offset, jboolean, x); \ | |
382 UNSAFE_END \ | |
383 \ | |
384 // END DEFINE_GETSETOOP. | |
385 | |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
386 DEFINE_GETSETOOP(jboolean, Boolean) |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
387 DEFINE_GETSETOOP(jbyte, Byte) |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
388 DEFINE_GETSETOOP(jshort, Short); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
389 DEFINE_GETSETOOP(jchar, Char); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
390 DEFINE_GETSETOOP(jint, Int); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
391 DEFINE_GETSETOOP(jlong, Long); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
392 DEFINE_GETSETOOP(jfloat, Float); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
393 DEFINE_GETSETOOP(jdouble, Double); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
394 |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
395 #undef DEFINE_GETSETOOP |
0 | 396 |
397 #define DEFINE_GETSETOOP_VOLATILE(jboolean, Boolean) \ | |
398 \ | |
399 UNSAFE_ENTRY(jboolean, Unsafe_Get##Boolean##Volatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset)) \ | |
400 UnsafeWrapper("Unsafe_Get"#Boolean); \ | |
401 GET_FIELD_VOLATILE(obj, offset, jboolean, v); \ | |
402 return v; \ | |
403 UNSAFE_END \ | |
404 \ | |
405 UNSAFE_ENTRY(void, Unsafe_Set##Boolean##Volatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jboolean x)) \ | |
406 UnsafeWrapper("Unsafe_Set"#Boolean); \ | |
407 SET_FIELD_VOLATILE(obj, offset, jboolean, x); \ | |
408 UNSAFE_END \ | |
409 \ | |
410 // END DEFINE_GETSETOOP_VOLATILE. | |
411 | |
412 DEFINE_GETSETOOP_VOLATILE(jboolean, Boolean) | |
413 DEFINE_GETSETOOP_VOLATILE(jbyte, Byte) | |
414 DEFINE_GETSETOOP_VOLATILE(jshort, Short); | |
415 DEFINE_GETSETOOP_VOLATILE(jchar, Char); | |
416 DEFINE_GETSETOOP_VOLATILE(jint, Int); | |
417 DEFINE_GETSETOOP_VOLATILE(jfloat, Float); | |
418 DEFINE_GETSETOOP_VOLATILE(jdouble, Double); | |
419 | |
10235 | 420 #ifdef SUPPORTS_NATIVE_CX8 |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
421 DEFINE_GETSETOOP_VOLATILE(jlong, Long); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
422 #endif |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
423 |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
424 #undef DEFINE_GETSETOOP_VOLATILE |
0 | 425 |
426 // The non-intrinsified versions of setOrdered just use setVolatile | |
427 | |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
428 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
|
429 UnsafeWrapper("Unsafe_SetOrderedInt"); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
430 SET_FIELD_VOLATILE(obj, offset, jint, x); |
0 | 431 UNSAFE_END |
432 | |
433 UNSAFE_ENTRY(void, Unsafe_SetOrderedObject(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jobject x_h)) | |
434 UnsafeWrapper("Unsafe_SetOrderedObject"); | |
435 oop x = JNIHandles::resolve(x_h); | |
436 oop p = JNIHandles::resolve(obj); | |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
437 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
|
438 OrderAccess::release(); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
439 if (UseCompressedOops) { |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
440 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
|
441 } else { |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
442 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
|
443 } |
0 | 444 OrderAccess::fence(); |
445 UNSAFE_END | |
446 | |
447 UNSAFE_ENTRY(void, Unsafe_SetOrderedLong(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jlong x)) | |
448 UnsafeWrapper("Unsafe_SetOrderedLong"); | |
10235 | 449 #ifdef SUPPORTS_NATIVE_CX8 |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
450 SET_FIELD_VOLATILE(obj, offset, jlong, x); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
451 #else |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
452 // Keep old code for platforms which may not have atomic long (8 bytes) instructions |
0 | 453 { |
454 if (VM_Version::supports_cx8()) { | |
455 SET_FIELD_VOLATILE(obj, offset, jlong, x); | |
456 } | |
457 else { | |
458 Handle p (THREAD, JNIHandles::resolve(obj)); | |
459 jlong* addr = (jlong*)(index_oop_from_field_offset_long(p(), offset)); | |
460 ObjectLocker ol(p, THREAD); | |
461 *addr = x; | |
462 } | |
463 } | |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
464 #endif |
0 | 465 UNSAFE_END |
466 | |
7425 | 467 UNSAFE_ENTRY(void, Unsafe_LoadFence(JNIEnv *env, jobject unsafe)) |
468 UnsafeWrapper("Unsafe_LoadFence"); | |
469 OrderAccess::acquire(); | |
470 UNSAFE_END | |
471 | |
472 UNSAFE_ENTRY(void, Unsafe_StoreFence(JNIEnv *env, jobject unsafe)) | |
473 UnsafeWrapper("Unsafe_StoreFence"); | |
474 OrderAccess::release(); | |
475 UNSAFE_END | |
476 | |
477 UNSAFE_ENTRY(void, Unsafe_FullFence(JNIEnv *env, jobject unsafe)) | |
478 UnsafeWrapper("Unsafe_FullFence"); | |
479 OrderAccess::fence(); | |
480 UNSAFE_END | |
481 | |
0 | 482 ////// Data in the C heap. |
483 | |
484 // Note: These do not throw NullPointerException for bad pointers. | |
485 // They just crash. Only a oop base pointer can generate a NullPointerException. | |
486 // | |
487 #define DEFINE_GETSETNATIVE(java_type, Type, native_type) \ | |
488 \ | |
489 UNSAFE_ENTRY(java_type, Unsafe_GetNative##Type(JNIEnv *env, jobject unsafe, jlong addr)) \ | |
490 UnsafeWrapper("Unsafe_GetNative"#Type); \ | |
491 void* p = addr_from_java(addr); \ | |
492 JavaThread* t = JavaThread::current(); \ | |
493 t->set_doing_unsafe_access(true); \ | |
494 java_type x = *(volatile native_type*)p; \ | |
495 t->set_doing_unsafe_access(false); \ | |
496 return x; \ | |
497 UNSAFE_END \ | |
498 \ | |
499 UNSAFE_ENTRY(void, Unsafe_SetNative##Type(JNIEnv *env, jobject unsafe, jlong addr, java_type x)) \ | |
500 UnsafeWrapper("Unsafe_SetNative"#Type); \ | |
501 JavaThread* t = JavaThread::current(); \ | |
502 t->set_doing_unsafe_access(true); \ | |
503 void* p = addr_from_java(addr); \ | |
504 *(volatile native_type*)p = x; \ | |
505 t->set_doing_unsafe_access(false); \ | |
506 UNSAFE_END \ | |
507 \ | |
508 // END DEFINE_GETSETNATIVE. | |
509 | |
510 DEFINE_GETSETNATIVE(jbyte, Byte, signed char) | |
511 DEFINE_GETSETNATIVE(jshort, Short, signed short); | |
512 DEFINE_GETSETNATIVE(jchar, Char, unsigned short); | |
513 DEFINE_GETSETNATIVE(jint, Int, jint); | |
514 // no long -- handled specially | |
515 DEFINE_GETSETNATIVE(jfloat, Float, float); | |
516 DEFINE_GETSETNATIVE(jdouble, Double, double); | |
517 | |
518 #undef DEFINE_GETSETNATIVE | |
519 | |
520 UNSAFE_ENTRY(jlong, Unsafe_GetNativeLong(JNIEnv *env, jobject unsafe, jlong addr)) | |
521 UnsafeWrapper("Unsafe_GetNativeLong"); | |
522 JavaThread* t = JavaThread::current(); | |
523 // We do it this way to avoid problems with access to heap using 64 | |
524 // bit loads, as jlong in heap could be not 64-bit aligned, and on | |
525 // some CPUs (SPARC) it leads to SIGBUS. | |
526 t->set_doing_unsafe_access(true); | |
527 void* p = addr_from_java(addr); | |
528 jlong x; | |
529 if (((intptr_t)p & 7) == 0) { | |
530 // jlong is aligned, do a volatile access | |
531 x = *(volatile jlong*)p; | |
532 } else { | |
533 jlong_accessor acc; | |
534 acc.words[0] = ((volatile jint*)p)[0]; | |
535 acc.words[1] = ((volatile jint*)p)[1]; | |
536 x = acc.long_value; | |
537 } | |
538 t->set_doing_unsafe_access(false); | |
539 return x; | |
540 UNSAFE_END | |
541 | |
542 UNSAFE_ENTRY(void, Unsafe_SetNativeLong(JNIEnv *env, jobject unsafe, jlong addr, jlong x)) | |
543 UnsafeWrapper("Unsafe_SetNativeLong"); | |
544 JavaThread* t = JavaThread::current(); | |
545 // see comment for Unsafe_GetNativeLong | |
546 t->set_doing_unsafe_access(true); | |
547 void* p = addr_from_java(addr); | |
548 if (((intptr_t)p & 7) == 0) { | |
549 // jlong is aligned, do a volatile access | |
550 *(volatile jlong*)p = x; | |
551 } else { | |
552 jlong_accessor acc; | |
553 acc.long_value = x; | |
554 ((volatile jint*)p)[0] = acc.words[0]; | |
555 ((volatile jint*)p)[1] = acc.words[1]; | |
556 } | |
557 t->set_doing_unsafe_access(false); | |
558 UNSAFE_END | |
559 | |
560 | |
561 UNSAFE_ENTRY(jlong, Unsafe_GetNativeAddress(JNIEnv *env, jobject unsafe, jlong addr)) | |
562 UnsafeWrapper("Unsafe_GetNativeAddress"); | |
563 void* p = addr_from_java(addr); | |
564 return addr_to_java(*(void**)p); | |
565 UNSAFE_END | |
566 | |
567 UNSAFE_ENTRY(void, Unsafe_SetNativeAddress(JNIEnv *env, jobject unsafe, jlong addr, jlong x)) | |
568 UnsafeWrapper("Unsafe_SetNativeAddress"); | |
569 void* p = addr_from_java(addr); | |
570 *(void**)p = addr_from_java(x); | |
571 UNSAFE_END | |
572 | |
573 | |
574 ////// Allocation requests | |
575 | |
576 UNSAFE_ENTRY(jobject, Unsafe_AllocateInstance(JNIEnv *env, jobject unsafe, jclass cls)) | |
577 UnsafeWrapper("Unsafe_AllocateInstance"); | |
578 { | |
579 ThreadToNativeFromVM ttnfv(thread); | |
580 return env->AllocObject(cls); | |
581 } | |
582 UNSAFE_END | |
583 | |
584 UNSAFE_ENTRY(jlong, Unsafe_AllocateMemory(JNIEnv *env, jobject unsafe, jlong size)) | |
585 UnsafeWrapper("Unsafe_AllocateMemory"); | |
586 size_t sz = (size_t)size; | |
587 if (sz != (julong)size || size < 0) { | |
588 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); | |
589 } | |
590 if (sz == 0) { | |
591 return 0; | |
592 } | |
593 sz = round_to(sz, HeapWordSize); | |
6197 | 594 void* x = os::malloc(sz, mtInternal); |
0 | 595 if (x == NULL) { |
596 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
597 } | |
598 //Copy::fill_to_words((HeapWord*)x, sz / HeapWordSize); | |
599 return addr_to_java(x); | |
600 UNSAFE_END | |
601 | |
602 UNSAFE_ENTRY(jlong, Unsafe_ReallocateMemory(JNIEnv *env, jobject unsafe, jlong addr, jlong size)) | |
603 UnsafeWrapper("Unsafe_ReallocateMemory"); | |
604 void* p = addr_from_java(addr); | |
605 size_t sz = (size_t)size; | |
606 if (sz != (julong)size || size < 0) { | |
607 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); | |
608 } | |
609 if (sz == 0) { | |
610 os::free(p); | |
611 return 0; | |
612 } | |
613 sz = round_to(sz, HeapWordSize); | |
6197 | 614 void* x = (p == NULL) ? os::malloc(sz, mtInternal) : os::realloc(p, sz, mtInternal); |
0 | 615 if (x == NULL) { |
616 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
617 } | |
618 return addr_to_java(x); | |
619 UNSAFE_END | |
620 | |
621 UNSAFE_ENTRY(void, Unsafe_FreeMemory(JNIEnv *env, jobject unsafe, jlong addr)) | |
622 UnsafeWrapper("Unsafe_FreeMemory"); | |
623 void* p = addr_from_java(addr); | |
624 if (p == NULL) { | |
625 return; | |
626 } | |
627 os::free(p); | |
628 UNSAFE_END | |
629 | |
630 UNSAFE_ENTRY(void, Unsafe_SetMemory(JNIEnv *env, jobject unsafe, jlong addr, jlong size, jbyte value)) | |
631 UnsafeWrapper("Unsafe_SetMemory"); | |
632 size_t sz = (size_t)size; | |
633 if (sz != (julong)size || size < 0) { | |
634 THROW(vmSymbols::java_lang_IllegalArgumentException()); | |
635 } | |
636 char* p = (char*) addr_from_java(addr); | |
637 Copy::fill_to_memory_atomic(p, sz, value); | |
638 UNSAFE_END | |
639 | |
640 UNSAFE_ENTRY(void, Unsafe_SetMemory2(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jlong size, jbyte value)) | |
641 UnsafeWrapper("Unsafe_SetMemory"); | |
642 size_t sz = (size_t)size; | |
643 if (sz != (julong)size || size < 0) { | |
644 THROW(vmSymbols::java_lang_IllegalArgumentException()); | |
645 } | |
646 oop base = JNIHandles::resolve(obj); | |
647 void* p = index_oop_from_field_offset_long(base, offset); | |
648 Copy::fill_to_memory_atomic(p, sz, value); | |
649 UNSAFE_END | |
650 | |
651 UNSAFE_ENTRY(void, Unsafe_CopyMemory(JNIEnv *env, jobject unsafe, jlong srcAddr, jlong dstAddr, jlong size)) | |
652 UnsafeWrapper("Unsafe_CopyMemory"); | |
653 if (size == 0) { | |
654 return; | |
655 } | |
656 size_t sz = (size_t)size; | |
657 if (sz != (julong)size || size < 0) { | |
658 THROW(vmSymbols::java_lang_IllegalArgumentException()); | |
659 } | |
660 void* src = addr_from_java(srcAddr); | |
661 void* dst = addr_from_java(dstAddr); | |
662 Copy::conjoint_memory_atomic(src, dst, sz); | |
663 UNSAFE_END | |
664 | |
665 UNSAFE_ENTRY(void, Unsafe_CopyMemory2(JNIEnv *env, jobject unsafe, jobject srcObj, jlong srcOffset, jobject dstObj, jlong dstOffset, jlong size)) | |
666 UnsafeWrapper("Unsafe_CopyMemory"); | |
667 if (size == 0) { | |
668 return; | |
669 } | |
670 size_t sz = (size_t)size; | |
671 if (sz != (julong)size || size < 0) { | |
672 THROW(vmSymbols::java_lang_IllegalArgumentException()); | |
673 } | |
674 oop srcp = JNIHandles::resolve(srcObj); | |
675 oop dstp = JNIHandles::resolve(dstObj); | |
676 if (dstp != NULL && !dstp->is_typeArray()) { | |
677 // NYI: This works only for non-oop arrays at present. | |
678 // Generalizing it would be reasonable, but requires card marking. | |
679 // Also, autoboxing a Long from 0L in copyMemory(x,y, 0L,z, n) would be bad. | |
680 THROW(vmSymbols::java_lang_IllegalArgumentException()); | |
681 } | |
682 void* src = index_oop_from_field_offset_long(srcp, srcOffset); | |
683 void* dst = index_oop_from_field_offset_long(dstp, dstOffset); | |
684 Copy::conjoint_memory_atomic(src, dst, sz); | |
685 UNSAFE_END | |
686 | |
687 | |
688 ////// Random queries | |
689 | |
690 // See comment at file start about UNSAFE_LEAF | |
691 //UNSAFE_LEAF(jint, Unsafe_AddressSize()) | |
692 UNSAFE_ENTRY(jint, Unsafe_AddressSize(JNIEnv *env, jobject unsafe)) | |
693 UnsafeWrapper("Unsafe_AddressSize"); | |
694 return sizeof(void*); | |
695 UNSAFE_END | |
696 | |
697 // See comment at file start about UNSAFE_LEAF | |
698 //UNSAFE_LEAF(jint, Unsafe_PageSize()) | |
699 UNSAFE_ENTRY(jint, Unsafe_PageSize(JNIEnv *env, jobject unsafe)) | |
700 UnsafeWrapper("Unsafe_PageSize"); | |
701 return os::vm_page_size(); | |
702 UNSAFE_END | |
703 | |
704 jint find_field_offset(jobject field, int must_be_static, TRAPS) { | |
705 if (field == NULL) { | |
706 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
707 } | |
708 | |
709 oop reflected = JNIHandles::resolve_non_null(field); | |
710 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
|
711 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 712 int slot = java_lang_reflect_Field::slot(reflected); |
713 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
714 | |
715 if (must_be_static >= 0) { | |
716 int really_is_static = ((modifiers & JVM_ACC_STATIC) != 0); | |
717 if (must_be_static != really_is_static) { | |
718 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); | |
719 } | |
720 } | |
721 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
722 int offset = InstanceKlass::cast(k)->field_offset(slot); |
0 | 723 return field_offset_from_byte_offset(offset); |
724 } | |
725 | |
726 UNSAFE_ENTRY(jlong, Unsafe_ObjectFieldOffset(JNIEnv *env, jobject unsafe, jobject field)) | |
727 UnsafeWrapper("Unsafe_ObjectFieldOffset"); | |
728 return find_field_offset(field, 0, THREAD); | |
729 UNSAFE_END | |
730 | |
731 UNSAFE_ENTRY(jlong, Unsafe_StaticFieldOffset(JNIEnv *env, jobject unsafe, jobject field)) | |
732 UnsafeWrapper("Unsafe_StaticFieldOffset"); | |
733 return find_field_offset(field, 1, THREAD); | |
734 UNSAFE_END | |
735 | |
736 UNSAFE_ENTRY(jobject, Unsafe_StaticFieldBaseFromField(JNIEnv *env, jobject unsafe, jobject field)) | |
737 UnsafeWrapper("Unsafe_StaticFieldBase"); | |
738 // Note: In this VM implementation, a field address is always a short | |
739 // offset from the base of a a klass metaobject. Thus, the full dynamic | |
740 // range of the return type is never used. However, some implementations | |
741 // might put the static field inside an array shared by many classes, | |
742 // or even at a fixed address, in which case the address could be quite | |
743 // large. In that last case, this function would return NULL, since | |
744 // the address would operate alone, without any base pointer. | |
745 | |
746 if (field == NULL) THROW_0(vmSymbols::java_lang_NullPointerException()); | |
747 | |
748 oop reflected = JNIHandles::resolve_non_null(field); | |
749 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
750 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
751 | |
752 if ((modifiers & JVM_ACC_STATIC) == 0) { | |
753 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); | |
754 } | |
755 | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2316
diff
changeset
|
756 return JNIHandles::make_local(env, mirror); |
0 | 757 UNSAFE_END |
758 | |
759 //@deprecated | |
760 UNSAFE_ENTRY(jint, Unsafe_FieldOffset(JNIEnv *env, jobject unsafe, jobject field)) | |
761 UnsafeWrapper("Unsafe_FieldOffset"); | |
762 // tries (but fails) to be polymorphic between static and non-static: | |
763 jlong offset = find_field_offset(field, -1, THREAD); | |
764 guarantee(offset == (jint)offset, "offset fits in 32 bits"); | |
765 return (jint)offset; | |
766 UNSAFE_END | |
767 | |
768 //@deprecated | |
769 UNSAFE_ENTRY(jobject, Unsafe_StaticFieldBaseFromClass(JNIEnv *env, jobject unsafe, jobject clazz)) | |
770 UnsafeWrapper("Unsafe_StaticFieldBase"); | |
771 if (clazz == NULL) { | |
772 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
773 } | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2316
diff
changeset
|
774 return JNIHandles::make_local(env, JNIHandles::resolve_non_null(clazz)); |
0 | 775 UNSAFE_END |
776 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
777 UNSAFE_ENTRY(void, Unsafe_EnsureClassInitialized(JNIEnv *env, jobject unsafe, jobject clazz)) { |
0 | 778 UnsafeWrapper("Unsafe_EnsureClassInitialized"); |
779 if (clazz == NULL) { | |
780 THROW(vmSymbols::java_lang_NullPointerException()); | |
781 } | |
782 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
|
783 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
784 Klass* klass = java_lang_Class::as_Klass(mirror); |
6983 | 785 if (klass != NULL && klass->should_be_initialized()) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
786 InstanceKlass* k = InstanceKlass::cast(klass); |
0 | 787 k->initialize(CHECK); |
788 } | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
789 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
790 UNSAFE_END |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
791 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
792 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
|
793 UnsafeWrapper("Unsafe_ShouldBeInitialized"); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
794 if (clazz == NULL) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
795 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
|
796 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
797 oop mirror = JNIHandles::resolve_non_null(clazz); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
798 Klass* klass = java_lang_Class::as_Klass(mirror); |
6983 | 799 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
|
800 return true; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
801 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
802 return false; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
803 } |
0 | 804 UNSAFE_END |
805 | |
806 static void getBaseAndScale(int& base, int& scale, jclass acls, TRAPS) { | |
807 if (acls == NULL) { | |
808 THROW(vmSymbols::java_lang_NullPointerException()); | |
809 } | |
810 oop mirror = JNIHandles::resolve_non_null(acls); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
811 Klass* k = java_lang_Class::as_Klass(mirror); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
812 if (k == NULL || !k->oop_is_array()) { |
0 | 813 THROW(vmSymbols::java_lang_InvalidClassException()); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
814 } else if (k->oop_is_objArray()) { |
0 | 815 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
|
816 scale = heapOopSize; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
817 } else if (k->oop_is_typeArray()) { |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
818 TypeArrayKlass* tak = TypeArrayKlass::cast(k); |
0 | 819 base = tak->array_header_in_bytes(); |
820 assert(base == arrayOopDesc::base_offset_in_bytes(tak->element_type()), "array_header_size semantics ok"); | |
821 scale = (1 << tak->log2_element_size()); | |
822 } else { | |
823 ShouldNotReachHere(); | |
824 } | |
825 } | |
826 | |
827 UNSAFE_ENTRY(jint, Unsafe_ArrayBaseOffset(JNIEnv *env, jobject unsafe, jclass acls)) | |
828 UnsafeWrapper("Unsafe_ArrayBaseOffset"); | |
829 int base, scale; | |
830 getBaseAndScale(base, scale, acls, CHECK_0); | |
831 return field_offset_from_byte_offset(base); | |
832 UNSAFE_END | |
833 | |
834 | |
835 UNSAFE_ENTRY(jint, Unsafe_ArrayIndexScale(JNIEnv *env, jobject unsafe, jclass acls)) | |
836 UnsafeWrapper("Unsafe_ArrayIndexScale"); | |
837 int base, scale; | |
838 getBaseAndScale(base, scale, acls, CHECK_0); | |
839 // This VM packs both fields and array elements down to the byte. | |
840 // But watch out: If this changes, so that array references for | |
841 // a given primitive type (say, T_BOOLEAN) use different memory units | |
842 // than fields, this method MUST return zero for such arrays. | |
843 // For example, the VM used to store sub-word sized fields in full | |
844 // words in the object layout, so that accessors like getByte(Object,int) | |
845 // did not really do what one might expect for arrays. Therefore, | |
846 // this function used to report a zero scale factor, so that the user | |
847 // would know not to attempt to access sub-word array elements. | |
848 // // Code for unpacked fields: | |
849 // if (scale < wordSize) return 0; | |
850 | |
851 // The following allows for a pretty general fieldOffset cookie scheme, | |
852 // but requires it to be linear in byte offset. | |
853 return field_offset_from_byte_offset(scale) - field_offset_from_byte_offset(0); | |
854 UNSAFE_END | |
855 | |
856 | |
857 static inline void throw_new(JNIEnv *env, const char *ename) { | |
858 char buf[100]; | |
859 strcpy(buf, "java/lang/"); | |
860 strcat(buf, ename); | |
861 jclass cls = env->FindClass(buf); | |
862 char* msg = NULL; | |
863 env->ThrowNew(cls, msg); | |
864 } | |
865 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
866 static jclass Unsafe_DefineClass_impl(JNIEnv *env, jstring name, jbyteArray data, int offset, int length, jobject loader, jobject pd) { |
0 | 867 { |
868 // Code lifted from JDK 1.3 ClassLoader.c | |
869 | |
870 jbyte *body; | |
871 char *utfName; | |
872 jclass result = 0; | |
873 char buf[128]; | |
874 | |
875 if (UsePerfData) { | |
876 ClassLoader::unsafe_defineClassCallCounter()->inc(); | |
877 } | |
878 | |
879 if (data == NULL) { | |
880 throw_new(env, "NullPointerException"); | |
881 return 0; | |
882 } | |
883 | |
884 /* Work around 4153825. malloc crashes on Solaris when passed a | |
885 * negative size. | |
886 */ | |
887 if (length < 0) { | |
888 throw_new(env, "ArrayIndexOutOfBoundsException"); | |
889 return 0; | |
890 } | |
891 | |
6197 | 892 body = NEW_C_HEAP_ARRAY(jbyte, length, mtInternal); |
0 | 893 |
894 if (body == 0) { | |
895 throw_new(env, "OutOfMemoryError"); | |
896 return 0; | |
897 } | |
898 | |
899 env->GetByteArrayRegion(data, offset, length, body); | |
900 | |
901 if (env->ExceptionOccurred()) | |
902 goto free_body; | |
903 | |
904 if (name != NULL) { | |
905 uint len = env->GetStringUTFLength(name); | |
906 int unicode_len = env->GetStringLength(name); | |
907 if (len >= sizeof(buf)) { | |
6197 | 908 utfName = NEW_C_HEAP_ARRAY(char, len + 1, mtInternal); |
0 | 909 if (utfName == NULL) { |
910 throw_new(env, "OutOfMemoryError"); | |
911 goto free_body; | |
912 } | |
913 } else { | |
914 utfName = buf; | |
915 } | |
916 env->GetStringUTFRegion(name, 0, unicode_len, utfName); | |
917 //VerifyFixClassname(utfName); | |
918 for (uint i = 0; i < len; i++) { | |
919 if (utfName[i] == '.') utfName[i] = '/'; | |
920 } | |
921 } else { | |
922 utfName = NULL; | |
923 } | |
924 | |
925 result = JVM_DefineClass(env, utfName, loader, body, length, pd); | |
926 | |
927 if (utfName && utfName != buf) | |
6197 | 928 FREE_C_HEAP_ARRAY(char, utfName, mtInternal); |
0 | 929 |
930 free_body: | |
6197 | 931 FREE_C_HEAP_ARRAY(jbyte, body, mtInternal); |
0 | 932 return result; |
933 } | |
934 } | |
935 | |
936 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
937 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
|
938 UnsafeWrapper("Unsafe_DefineClass"); |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
939 { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
940 ThreadToNativeFromVM ttnfv(thread); |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
941 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
|
942 } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
943 UNSAFE_END |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
944 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
945 |
0 | 946 UNSAFE_ENTRY(jclass, Unsafe_DefineClass0(JNIEnv *env, jobject unsafe, jstring name, jbyteArray data, int offset, int length)) |
947 UnsafeWrapper("Unsafe_DefineClass"); | |
948 { | |
949 ThreadToNativeFromVM ttnfv(thread); | |
950 | |
951 int depthFromDefineClass0 = 1; | |
952 jclass caller = JVM_GetCallerClass(env, depthFromDefineClass0); | |
953 jobject loader = (caller == NULL) ? NULL : JVM_GetClassLoader(env, caller); | |
954 jobject pd = (caller == NULL) ? NULL : JVM_GetProtectionDomain(env, caller); | |
955 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
956 return Unsafe_DefineClass_impl(env, name, data, offset, length, loader, pd); |
0 | 957 } |
958 UNSAFE_END | |
959 | |
960 | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
961 #define DAC_Args CLS"[B["OBJ |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
962 // 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
|
963 // - 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
|
964 // - 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
|
965 // - 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
|
966 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
967 // 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
|
968 // 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
|
969 // 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
|
970 // 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
|
971 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
972 // 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
|
973 // 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
|
974 // 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
|
975 // 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
|
976 // 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
|
977 // 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
|
978 // 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
|
979 // restrictions. |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
980 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
981 // 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
|
982 // 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
|
983 // 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
|
984 // access one of its anonymous classes. |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
985 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
986 // 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
|
987 // 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
|
988 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
989 // 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
|
990 // 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
|
991 // 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
|
992 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
993 // 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
|
994 // 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
|
995 // 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
|
996 // 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
|
997 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
998 // 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
|
999 // 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
|
1000 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1001 // 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
|
1002 // 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
|
1003 // 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
|
1004 // 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
|
1005 // 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
|
1006 // 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
|
1007 // 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
|
1008 // 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
|
1009 |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1010 static instanceKlassHandle |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1011 Unsafe_DefineAnonymousClass_impl(JNIEnv *env, |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1012 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
|
1013 HeapWord* *temp_alloc, |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1014 TRAPS) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1015 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1016 if (UsePerfData) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1017 ClassLoader::unsafe_defineClassCallCounter()->inc(); |
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 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1020 if (data == NULL) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1021 THROW_0(vmSymbols::java_lang_NullPointerException()); |
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 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1024 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
|
1025 jint word_length = (length + sizeof(HeapWord)-1) / sizeof(HeapWord); |
6197 | 1026 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
|
1027 if (body == NULL) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1028 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); |
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 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1031 // caller responsible to free it: |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1032 (*temp_alloc) = body; |
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 { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1035 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
|
1036 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
|
1037 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1038 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1039 u1* class_bytes = (u1*) body; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1040 int class_bytes_length = (int) length; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1041 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
|
1042 if (class_bytes == NULL |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1043 || host_class == NULL |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1044 || length != class_bytes_length) |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1045 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1046 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1047 objArrayHandle cp_patches_h; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1048 if (cp_patches_jh != NULL) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1049 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
|
1050 if (!p->is_objArray()) |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1051 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1052 cp_patches_h = objArrayHandle(THREAD, (objArrayOop)p); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1053 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1054 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1055 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
|
1056 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
|
1057 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
|
1058 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
|
1059 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1060 GrowableArray<Handle>* cp_patches = NULL; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1061 if (cp_patches_h.not_null()) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1062 int alen = cp_patches_h->length(); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1063 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
|
1064 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
|
1065 if (p != NULL) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1066 Handle patch(THREAD, p); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1067 if (cp_patches == NULL) |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1068 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
|
1069 cp_patches->at_put(i, patch); |
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 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1074 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
|
1075 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1076 instanceKlassHandle anon_klass; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1077 { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2114
diff
changeset
|
1078 Symbol* no_class_name = NULL; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1079 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
|
1080 host_loader, host_domain, |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1081 &st, host_klass, cp_patches, |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1082 CHECK_NULL); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1083 if (anonk == NULL) return NULL; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1084 anon_klass = instanceKlassHandle(THREAD, anonk); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1085 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1086 |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1087 return anon_klass; |
431
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 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1090 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
|
1091 { |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1092 instanceKlassHandle anon_klass; |
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1093 jobject res_jh = NULL; |
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1094 |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1095 UnsafeWrapper("Unsafe_DefineAnonymousClass"); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1096 ResourceMark rm(THREAD); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1097 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1098 HeapWord* temp_alloc = NULL; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1099 |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1100 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
|
1101 cp_patches_jh, |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1102 &temp_alloc, THREAD); |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1103 if (anon_klass() != NULL) |
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1104 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
|
1105 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1106 // try/finally clause: |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1107 if (temp_alloc != NULL) { |
6197 | 1108 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
|
1109 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1110 |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1111 // 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
|
1112 // 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
|
1113 // it alive afterwards. |
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1114 if (anon_klass() != NULL) { |
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1115 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
|
1116 } |
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1117 |
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1118 // let caller initialize it as needed... |
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
1119 |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1120 return (jclass) res_jh; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1121 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1122 UNSAFE_END |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1123 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1124 |
0 | 1125 |
1126 UNSAFE_ENTRY(void, Unsafe_MonitorEnter(JNIEnv *env, jobject unsafe, jobject jobj)) | |
1127 UnsafeWrapper("Unsafe_MonitorEnter"); | |
1128 { | |
1129 if (jobj == NULL) { | |
1130 THROW(vmSymbols::java_lang_NullPointerException()); | |
1131 } | |
1132 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
1133 ObjectSynchronizer::jni_enter(obj, CHECK); | |
1134 } | |
1135 UNSAFE_END | |
1136 | |
1137 | |
1138 UNSAFE_ENTRY(jboolean, Unsafe_TryMonitorEnter(JNIEnv *env, jobject unsafe, jobject jobj)) | |
1139 UnsafeWrapper("Unsafe_TryMonitorEnter"); | |
1140 { | |
1141 if (jobj == NULL) { | |
1142 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_FALSE); | |
1143 } | |
1144 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
1145 bool res = ObjectSynchronizer::jni_try_enter(obj, CHECK_0); | |
1146 return (res ? JNI_TRUE : JNI_FALSE); | |
1147 } | |
1148 UNSAFE_END | |
1149 | |
1150 | |
1151 UNSAFE_ENTRY(void, Unsafe_MonitorExit(JNIEnv *env, jobject unsafe, jobject jobj)) | |
1152 UnsafeWrapper("Unsafe_MonitorExit"); | |
1153 { | |
1154 if (jobj == NULL) { | |
1155 THROW(vmSymbols::java_lang_NullPointerException()); | |
1156 } | |
1157 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
1158 ObjectSynchronizer::jni_exit(obj(), CHECK); | |
1159 } | |
1160 UNSAFE_END | |
1161 | |
1162 | |
1163 UNSAFE_ENTRY(void, Unsafe_ThrowException(JNIEnv *env, jobject unsafe, jthrowable thr)) | |
1164 UnsafeWrapper("Unsafe_ThrowException"); | |
1165 { | |
1166 ThreadToNativeFromVM ttnfv(thread); | |
1167 env->Throw(thr); | |
1168 } | |
1169 UNSAFE_END | |
1170 | |
1171 // JSR166 ------------------------------------------------------------------ | |
1172 | |
1173 UNSAFE_ENTRY(jboolean, Unsafe_CompareAndSwapObject(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jobject e_h, jobject x_h)) | |
1174 UnsafeWrapper("Unsafe_CompareAndSwapObject"); | |
1175 oop x = JNIHandles::resolve(x_h); | |
1176 oop e = JNIHandles::resolve(e_h); | |
1177 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
|
1178 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
|
1179 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
|
1180 jboolean success = (res == e); |
0 | 1181 if (success) |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1182 update_barrier_set((void*)addr, x); |
0 | 1183 return success; |
1184 UNSAFE_END | |
1185 | |
1186 UNSAFE_ENTRY(jboolean, Unsafe_CompareAndSwapInt(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jint e, jint x)) | |
1187 UnsafeWrapper("Unsafe_CompareAndSwapInt"); | |
1188 oop p = JNIHandles::resolve(obj); | |
1189 jint* addr = (jint *) index_oop_from_field_offset_long(p, offset); | |
1190 return (jint)(Atomic::cmpxchg(x, addr, e)) == e; | |
1191 UNSAFE_END | |
1192 | |
1193 UNSAFE_ENTRY(jboolean, Unsafe_CompareAndSwapLong(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jlong e, jlong x)) | |
1194 UnsafeWrapper("Unsafe_CompareAndSwapLong"); | |
1195 Handle p (THREAD, JNIHandles::resolve(obj)); | |
1196 jlong* addr = (jlong*)(index_oop_from_field_offset_long(p(), offset)); | |
1197 if (VM_Version::supports_cx8()) | |
1198 return (jlong)(Atomic::cmpxchg(x, addr, e)) == e; | |
1199 else { | |
1200 jboolean success = false; | |
1201 ObjectLocker ol(p, THREAD); | |
1202 if (*addr == e) { *addr = x; success = true; } | |
1203 return success; | |
1204 } | |
1205 UNSAFE_END | |
1206 | |
1207 UNSAFE_ENTRY(void, Unsafe_Park(JNIEnv *env, jobject unsafe, jboolean isAbsolute, jlong time)) | |
1208 UnsafeWrapper("Unsafe_Park"); | |
4006 | 1209 #ifndef USDT2 |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
845
diff
changeset
|
1210 HS_DTRACE_PROBE3(hotspot, thread__park__begin, thread->parker(), (int) isAbsolute, time); |
4006 | 1211 #else /* USDT2 */ |
1212 HOTSPOT_THREAD_PARK_BEGIN( | |
1213 (uintptr_t) thread->parker(), (int) isAbsolute, time); | |
1214 #endif /* USDT2 */ | |
0 | 1215 JavaThreadParkedState jtps(thread, time != 0); |
1216 thread->parker()->park(isAbsolute != 0, time); | |
4006 | 1217 #ifndef USDT2 |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
845
diff
changeset
|
1218 HS_DTRACE_PROBE1(hotspot, thread__park__end, thread->parker()); |
4006 | 1219 #else /* USDT2 */ |
1220 HOTSPOT_THREAD_PARK_END( | |
1221 (uintptr_t) thread->parker()); | |
1222 #endif /* USDT2 */ | |
0 | 1223 UNSAFE_END |
1224 | |
1225 UNSAFE_ENTRY(void, Unsafe_Unpark(JNIEnv *env, jobject unsafe, jobject jthread)) | |
1226 UnsafeWrapper("Unsafe_Unpark"); | |
1227 Parker* p = NULL; | |
1228 if (jthread != NULL) { | |
1229 oop java_thread = JNIHandles::resolve_non_null(jthread); | |
1230 if (java_thread != NULL) { | |
1231 jlong lp = java_lang_Thread::park_event(java_thread); | |
1232 if (lp != 0) { | |
1233 // This cast is OK even though the jlong might have been read | |
1234 // non-atomically on 32bit systems, since there, one word will | |
1235 // always be zero anyway and the value set is always the same | |
1236 p = (Parker*)addr_from_java(lp); | |
1237 } else { | |
1238 // Grab lock if apparently null or using older version of library | |
1239 MutexLocker mu(Threads_lock); | |
1240 java_thread = JNIHandles::resolve_non_null(jthread); | |
1241 if (java_thread != NULL) { | |
1242 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
1243 if (thr != NULL) { | |
1244 p = thr->parker(); | |
1245 if (p != NULL) { // Bind to Java thread for next time. | |
1246 java_lang_Thread::set_park_event(java_thread, addr_to_java(p)); | |
1247 } | |
1248 } | |
1249 } | |
1250 } | |
1251 } | |
1252 } | |
1253 if (p != NULL) { | |
4006 | 1254 #ifndef USDT2 |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
845
diff
changeset
|
1255 HS_DTRACE_PROBE1(hotspot, thread__unpark, p); |
4006 | 1256 #else /* USDT2 */ |
1257 HOTSPOT_THREAD_UNPARK( | |
1258 (uintptr_t) p); | |
1259 #endif /* USDT2 */ | |
0 | 1260 p->unpark(); |
1261 } | |
1262 UNSAFE_END | |
1263 | |
1264 UNSAFE_ENTRY(jint, Unsafe_Loadavg(JNIEnv *env, jobject unsafe, jdoubleArray loadavg, jint nelem)) | |
1265 UnsafeWrapper("Unsafe_Loadavg"); | |
1266 const int max_nelem = 3; | |
1267 double la[max_nelem]; | |
1268 jint ret; | |
1269 | |
1270 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(loadavg)); | |
1271 assert(a->is_typeArray(), "must be type array"); | |
1272 | |
1273 if (nelem < 0 || nelem > max_nelem || a->length() < nelem) { | |
1274 ThreadToNativeFromVM ttnfv(thread); | |
1275 throw_new(env, "ArrayIndexOutOfBoundsException"); | |
1276 return -1; | |
1277 } | |
1278 | |
1279 ret = os::loadavg(la, nelem); | |
1280 if (ret == -1) return -1; | |
1281 | |
1282 // if successful, ret is the number of samples actually retrieved. | |
1283 assert(ret >= 0 && ret <= max_nelem, "Unexpected loadavg return value"); | |
1284 switch(ret) { | |
1285 case 3: a->double_at_put(2, (jdouble)la[2]); // fall through | |
1286 case 2: a->double_at_put(1, (jdouble)la[1]); // fall through | |
1287 case 1: a->double_at_put(0, (jdouble)la[0]); break; | |
1288 } | |
1289 return ret; | |
1290 UNSAFE_END | |
1291 | |
1292 UNSAFE_ENTRY(void, Unsafe_PrefetchRead(JNIEnv* env, jclass ignored, jobject obj, jlong offset)) | |
1293 UnsafeWrapper("Unsafe_PrefetchRead"); | |
1294 oop p = JNIHandles::resolve(obj); | |
1295 void* addr = index_oop_from_field_offset_long(p, 0); | |
1296 Prefetch::read(addr, (intx)offset); | |
1297 UNSAFE_END | |
1298 | |
1299 UNSAFE_ENTRY(void, Unsafe_PrefetchWrite(JNIEnv* env, jclass ignored, jobject obj, jlong offset)) | |
1300 UnsafeWrapper("Unsafe_PrefetchWrite"); | |
1301 oop p = JNIHandles::resolve(obj); | |
1302 void* addr = index_oop_from_field_offset_long(p, 0); | |
1303 Prefetch::write(addr, (intx)offset); | |
1304 UNSAFE_END | |
1305 | |
1306 | |
1307 /// JVM_RegisterUnsafeMethods | |
1308 | |
1309 #define ADR "J" | |
1310 | |
1311 #define LANG "Ljava/lang/" | |
1312 | |
1313 #define OBJ LANG"Object;" | |
1314 #define CLS LANG"Class;" | |
1315 #define CTR LANG"reflect/Constructor;" | |
1316 #define FLD LANG"reflect/Field;" | |
1317 #define MTH LANG"reflect/Method;" | |
1318 #define THR LANG"Throwable;" | |
1319 | |
1320 #define DC0_Args LANG"String;[BII" | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1321 #define DC_Args DC0_Args LANG"ClassLoader;" "Ljava/security/ProtectionDomain;" |
0 | 1322 |
1323 #define CC (char*) /*cast a literal from (const char*)*/ | |
1324 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &f) | |
1325 | |
1326 // define deprecated accessors for compabitility with 1.4.0 | |
1327 #define DECLARE_GETSETOOP_140(Boolean, Z) \ | |
1328 {CC"get"#Boolean, CC"("OBJ"I)"#Z, FN_PTR(Unsafe_Get##Boolean##140)}, \ | |
1329 {CC"put"#Boolean, CC"("OBJ"I"#Z")V", FN_PTR(Unsafe_Set##Boolean##140)} | |
1330 | |
1331 // Note: In 1.4.1, getObject and kin take both int and long offsets. | |
1332 #define DECLARE_GETSETOOP_141(Boolean, Z) \ | |
1333 {CC"get"#Boolean, CC"("OBJ"J)"#Z, FN_PTR(Unsafe_Get##Boolean)}, \ | |
1334 {CC"put"#Boolean, CC"("OBJ"J"#Z")V", FN_PTR(Unsafe_Set##Boolean)} | |
1335 | |
1336 // Note: In 1.5.0, there are volatile versions too | |
1337 #define DECLARE_GETSETOOP(Boolean, Z) \ | |
1338 {CC"get"#Boolean, CC"("OBJ"J)"#Z, FN_PTR(Unsafe_Get##Boolean)}, \ | |
1339 {CC"put"#Boolean, CC"("OBJ"J"#Z")V", FN_PTR(Unsafe_Set##Boolean)}, \ | |
1340 {CC"get"#Boolean"Volatile", CC"("OBJ"J)"#Z, FN_PTR(Unsafe_Get##Boolean##Volatile)}, \ | |
1341 {CC"put"#Boolean"Volatile", CC"("OBJ"J"#Z")V", FN_PTR(Unsafe_Set##Boolean##Volatile)} | |
1342 | |
1343 | |
1344 #define DECLARE_GETSETNATIVE(Byte, B) \ | |
1345 {CC"get"#Byte, CC"("ADR")"#B, FN_PTR(Unsafe_GetNative##Byte)}, \ | |
1346 {CC"put"#Byte, CC"("ADR#B")V", FN_PTR(Unsafe_SetNative##Byte)} | |
1347 | |
1348 | |
1349 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1350 // These are the methods for 1.4.0 |
0 | 1351 static JNINativeMethod methods_140[] = { |
1352 {CC"getObject", CC"("OBJ"I)"OBJ"", FN_PTR(Unsafe_GetObject140)}, | |
1353 {CC"putObject", CC"("OBJ"I"OBJ")V", FN_PTR(Unsafe_SetObject140)}, | |
1354 | |
1355 DECLARE_GETSETOOP_140(Boolean, Z), | |
1356 DECLARE_GETSETOOP_140(Byte, B), | |
1357 DECLARE_GETSETOOP_140(Short, S), | |
1358 DECLARE_GETSETOOP_140(Char, C), | |
1359 DECLARE_GETSETOOP_140(Int, I), | |
1360 DECLARE_GETSETOOP_140(Long, J), | |
1361 DECLARE_GETSETOOP_140(Float, F), | |
1362 DECLARE_GETSETOOP_140(Double, D), | |
1363 | |
1364 DECLARE_GETSETNATIVE(Byte, B), | |
1365 DECLARE_GETSETNATIVE(Short, S), | |
1366 DECLARE_GETSETNATIVE(Char, C), | |
1367 DECLARE_GETSETNATIVE(Int, I), | |
1368 DECLARE_GETSETNATIVE(Long, J), | |
1369 DECLARE_GETSETNATIVE(Float, F), | |
1370 DECLARE_GETSETNATIVE(Double, D), | |
1371 | |
1372 {CC"getAddress", CC"("ADR")"ADR, FN_PTR(Unsafe_GetNativeAddress)}, | |
1373 {CC"putAddress", CC"("ADR""ADR")V", FN_PTR(Unsafe_SetNativeAddress)}, | |
1374 | |
1375 {CC"allocateMemory", CC"(J)"ADR, FN_PTR(Unsafe_AllocateMemory)}, | |
1376 {CC"reallocateMemory", CC"("ADR"J)"ADR, FN_PTR(Unsafe_ReallocateMemory)}, | |
1377 {CC"freeMemory", CC"("ADR")V", FN_PTR(Unsafe_FreeMemory)}, | |
1378 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1379 {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
|
1380 {CC"staticFieldBase", CC"("CLS")"OBJ, FN_PTR(Unsafe_StaticFieldBaseFromClass)}, |
0 | 1381 {CC"ensureClassInitialized",CC"("CLS")V", FN_PTR(Unsafe_EnsureClassInitialized)}, |
1382 {CC"arrayBaseOffset", CC"("CLS")I", FN_PTR(Unsafe_ArrayBaseOffset)}, | |
1383 {CC"arrayIndexScale", CC"("CLS")I", FN_PTR(Unsafe_ArrayIndexScale)}, | |
1384 {CC"addressSize", CC"()I", FN_PTR(Unsafe_AddressSize)}, | |
1385 {CC"pageSize", CC"()I", FN_PTR(Unsafe_PageSize)}, | |
1386 | |
1387 {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
|
1388 {CC"defineClass", CC"("DC_Args")"CLS, FN_PTR(Unsafe_DefineClass)}, |
0 | 1389 {CC"allocateInstance", CC"("CLS")"OBJ, FN_PTR(Unsafe_AllocateInstance)}, |
1390 {CC"monitorEnter", CC"("OBJ")V", FN_PTR(Unsafe_MonitorEnter)}, | |
1391 {CC"monitorExit", CC"("OBJ")V", FN_PTR(Unsafe_MonitorExit)}, | |
1392 {CC"throwException", CC"("THR")V", FN_PTR(Unsafe_ThrowException)} | |
1393 }; | |
1394 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1395 // These are the methods prior to the JSR 166 changes in 1.5.0 |
0 | 1396 static JNINativeMethod methods_141[] = { |
1397 {CC"getObject", CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObject)}, | |
1398 {CC"putObject", CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObject)}, | |
1399 | |
1400 DECLARE_GETSETOOP_141(Boolean, Z), | |
1401 DECLARE_GETSETOOP_141(Byte, B), | |
1402 DECLARE_GETSETOOP_141(Short, S), | |
1403 DECLARE_GETSETOOP_141(Char, C), | |
1404 DECLARE_GETSETOOP_141(Int, I), | |
1405 DECLARE_GETSETOOP_141(Long, J), | |
1406 DECLARE_GETSETOOP_141(Float, F), | |
1407 DECLARE_GETSETOOP_141(Double, D), | |
1408 | |
1409 DECLARE_GETSETNATIVE(Byte, B), | |
1410 DECLARE_GETSETNATIVE(Short, S), | |
1411 DECLARE_GETSETNATIVE(Char, C), | |
1412 DECLARE_GETSETNATIVE(Int, I), | |
1413 DECLARE_GETSETNATIVE(Long, J), | |
1414 DECLARE_GETSETNATIVE(Float, F), | |
1415 DECLARE_GETSETNATIVE(Double, D), | |
1416 | |
1417 {CC"getAddress", CC"("ADR")"ADR, FN_PTR(Unsafe_GetNativeAddress)}, | |
1418 {CC"putAddress", CC"("ADR""ADR")V", FN_PTR(Unsafe_SetNativeAddress)}, | |
1419 | |
1420 {CC"allocateMemory", CC"(J)"ADR, FN_PTR(Unsafe_AllocateMemory)}, | |
1421 {CC"reallocateMemory", CC"("ADR"J)"ADR, FN_PTR(Unsafe_ReallocateMemory)}, | |
1422 {CC"freeMemory", CC"("ADR")V", FN_PTR(Unsafe_FreeMemory)}, | |
1423 | |
1424 {CC"objectFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_ObjectFieldOffset)}, | |
1425 {CC"staticFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_StaticFieldOffset)}, | |
1426 {CC"staticFieldBase", CC"("FLD")"OBJ, FN_PTR(Unsafe_StaticFieldBaseFromField)}, | |
1427 {CC"ensureClassInitialized",CC"("CLS")V", FN_PTR(Unsafe_EnsureClassInitialized)}, | |
1428 {CC"arrayBaseOffset", CC"("CLS")I", FN_PTR(Unsafe_ArrayBaseOffset)}, | |
1429 {CC"arrayIndexScale", CC"("CLS")I", FN_PTR(Unsafe_ArrayIndexScale)}, | |
1430 {CC"addressSize", CC"()I", FN_PTR(Unsafe_AddressSize)}, | |
1431 {CC"pageSize", CC"()I", FN_PTR(Unsafe_PageSize)}, | |
1432 | |
1433 {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
|
1434 {CC"defineClass", CC"("DC_Args")"CLS, FN_PTR(Unsafe_DefineClass)}, |
0 | 1435 {CC"allocateInstance", CC"("CLS")"OBJ, FN_PTR(Unsafe_AllocateInstance)}, |
1436 {CC"monitorEnter", CC"("OBJ")V", FN_PTR(Unsafe_MonitorEnter)}, | |
1437 {CC"monitorExit", CC"("OBJ")V", FN_PTR(Unsafe_MonitorExit)}, | |
1438 {CC"throwException", CC"("THR")V", FN_PTR(Unsafe_ThrowException)} | |
1439 | |
1440 }; | |
1441 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1442 // These are the methods prior to the JSR 166 changes in 1.6.0 |
0 | 1443 static JNINativeMethod methods_15[] = { |
1444 {CC"getObject", CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObject)}, | |
1445 {CC"putObject", CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObject)}, | |
1446 {CC"getObjectVolatile",CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObjectVolatile)}, | |
1447 {CC"putObjectVolatile",CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObjectVolatile)}, | |
1448 | |
1449 | |
1450 DECLARE_GETSETOOP(Boolean, Z), | |
1451 DECLARE_GETSETOOP(Byte, B), | |
1452 DECLARE_GETSETOOP(Short, S), | |
1453 DECLARE_GETSETOOP(Char, C), | |
1454 DECLARE_GETSETOOP(Int, I), | |
1455 DECLARE_GETSETOOP(Long, J), | |
1456 DECLARE_GETSETOOP(Float, F), | |
1457 DECLARE_GETSETOOP(Double, D), | |
1458 | |
1459 DECLARE_GETSETNATIVE(Byte, B), | |
1460 DECLARE_GETSETNATIVE(Short, S), | |
1461 DECLARE_GETSETNATIVE(Char, C), | |
1462 DECLARE_GETSETNATIVE(Int, I), | |
1463 DECLARE_GETSETNATIVE(Long, J), | |
1464 DECLARE_GETSETNATIVE(Float, F), | |
1465 DECLARE_GETSETNATIVE(Double, D), | |
1466 | |
1467 {CC"getAddress", CC"("ADR")"ADR, FN_PTR(Unsafe_GetNativeAddress)}, | |
1468 {CC"putAddress", CC"("ADR""ADR")V", FN_PTR(Unsafe_SetNativeAddress)}, | |
1469 | |
1470 {CC"allocateMemory", CC"(J)"ADR, FN_PTR(Unsafe_AllocateMemory)}, | |
1471 {CC"reallocateMemory", CC"("ADR"J)"ADR, FN_PTR(Unsafe_ReallocateMemory)}, | |
1472 {CC"freeMemory", CC"("ADR")V", FN_PTR(Unsafe_FreeMemory)}, | |
1473 | |
1474 {CC"objectFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_ObjectFieldOffset)}, | |
1475 {CC"staticFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_StaticFieldOffset)}, | |
1476 {CC"staticFieldBase", CC"("FLD")"OBJ, FN_PTR(Unsafe_StaticFieldBaseFromField)}, | |
1477 {CC"ensureClassInitialized",CC"("CLS")V", FN_PTR(Unsafe_EnsureClassInitialized)}, | |
1478 {CC"arrayBaseOffset", CC"("CLS")I", FN_PTR(Unsafe_ArrayBaseOffset)}, | |
1479 {CC"arrayIndexScale", CC"("CLS")I", FN_PTR(Unsafe_ArrayIndexScale)}, | |
1480 {CC"addressSize", CC"()I", FN_PTR(Unsafe_AddressSize)}, | |
1481 {CC"pageSize", CC"()I", FN_PTR(Unsafe_PageSize)}, | |
1482 | |
1483 {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
|
1484 {CC"defineClass", CC"("DC_Args")"CLS, FN_PTR(Unsafe_DefineClass)}, |
0 | 1485 {CC"allocateInstance", CC"("CLS")"OBJ, FN_PTR(Unsafe_AllocateInstance)}, |
1486 {CC"monitorEnter", CC"("OBJ")V", FN_PTR(Unsafe_MonitorEnter)}, | |
1487 {CC"monitorExit", CC"("OBJ")V", FN_PTR(Unsafe_MonitorExit)}, | |
1488 {CC"throwException", CC"("THR")V", FN_PTR(Unsafe_ThrowException)}, | |
1489 {CC"compareAndSwapObject", CC"("OBJ"J"OBJ""OBJ")Z", FN_PTR(Unsafe_CompareAndSwapObject)}, | |
1490 {CC"compareAndSwapInt", CC"("OBJ"J""I""I"")Z", FN_PTR(Unsafe_CompareAndSwapInt)}, | |
1491 {CC"compareAndSwapLong", CC"("OBJ"J""J""J"")Z", FN_PTR(Unsafe_CompareAndSwapLong)}, | |
1492 {CC"park", CC"(ZJ)V", FN_PTR(Unsafe_Park)}, | |
1493 {CC"unpark", CC"("OBJ")V", FN_PTR(Unsafe_Unpark)} | |
1494 | |
1495 }; | |
1496 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1497 // 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
|
1498 static JNINativeMethod methods_16[] = { |
0 | 1499 {CC"getObject", CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObject)}, |
1500 {CC"putObject", CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObject)}, | |
1501 {CC"getObjectVolatile",CC"("OBJ"J)"OBJ"", FN_PTR(Unsafe_GetObjectVolatile)}, | |
1502 {CC"putObjectVolatile",CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObjectVolatile)}, | |
1503 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1504 DECLARE_GETSETOOP(Boolean, Z), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1505 DECLARE_GETSETOOP(Byte, B), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1506 DECLARE_GETSETOOP(Short, S), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1507 DECLARE_GETSETOOP(Char, C), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1508 DECLARE_GETSETOOP(Int, I), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1509 DECLARE_GETSETOOP(Long, J), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1510 DECLARE_GETSETOOP(Float, F), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1511 DECLARE_GETSETOOP(Double, D), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1512 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1513 DECLARE_GETSETNATIVE(Byte, B), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1514 DECLARE_GETSETNATIVE(Short, S), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1515 DECLARE_GETSETNATIVE(Char, C), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1516 DECLARE_GETSETNATIVE(Int, I), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1517 DECLARE_GETSETNATIVE(Long, J), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1518 DECLARE_GETSETNATIVE(Float, F), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1519 DECLARE_GETSETNATIVE(Double, D), |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1520 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1521 {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
|
1522 {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
|
1523 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1524 {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
|
1525 {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
|
1526 {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
|
1527 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1528 {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
|
1529 {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
|
1530 {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
|
1531 {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
|
1532 {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
|
1533 {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
|
1534 {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
|
1535 {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
|
1536 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1537 {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
|
1538 {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
|
1539 {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
|
1540 {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
|
1541 {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
|
1542 {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
|
1543 {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
|
1544 {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
|
1545 {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
|
1546 {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
|
1547 {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
|
1548 {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
|
1549 {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
|
1550 {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
|
1551 {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
|
1552 }; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1553 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1554 // 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
|
1555 static JNINativeMethod methods_18[] = { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1556 {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
|
1557 {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
|
1558 {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
|
1559 {CC"putObjectVolatile",CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetObjectVolatile)}, |
0 | 1560 |
1561 DECLARE_GETSETOOP(Boolean, Z), | |
1562 DECLARE_GETSETOOP(Byte, B), | |
1563 DECLARE_GETSETOOP(Short, S), | |
1564 DECLARE_GETSETOOP(Char, C), | |
1565 DECLARE_GETSETOOP(Int, I), | |
1566 DECLARE_GETSETOOP(Long, J), | |
1567 DECLARE_GETSETOOP(Float, F), | |
1568 DECLARE_GETSETOOP(Double, D), | |
1569 | |
1570 DECLARE_GETSETNATIVE(Byte, B), | |
1571 DECLARE_GETSETNATIVE(Short, S), | |
1572 DECLARE_GETSETNATIVE(Char, C), | |
1573 DECLARE_GETSETNATIVE(Int, I), | |
1574 DECLARE_GETSETNATIVE(Long, J), | |
1575 DECLARE_GETSETNATIVE(Float, F), | |
1576 DECLARE_GETSETNATIVE(Double, D), | |
1577 | |
1578 {CC"getAddress", CC"("ADR")"ADR, FN_PTR(Unsafe_GetNativeAddress)}, | |
1579 {CC"putAddress", CC"("ADR""ADR")V", FN_PTR(Unsafe_SetNativeAddress)}, | |
1580 | |
1581 {CC"allocateMemory", CC"(J)"ADR, FN_PTR(Unsafe_AllocateMemory)}, | |
1582 {CC"reallocateMemory", CC"("ADR"J)"ADR, FN_PTR(Unsafe_ReallocateMemory)}, | |
1583 {CC"freeMemory", CC"("ADR")V", FN_PTR(Unsafe_FreeMemory)}, | |
1584 | |
1585 {CC"objectFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_ObjectFieldOffset)}, | |
1586 {CC"staticFieldOffset", CC"("FLD")J", FN_PTR(Unsafe_StaticFieldOffset)}, | |
1587 {CC"staticFieldBase", CC"("FLD")"OBJ, FN_PTR(Unsafe_StaticFieldBaseFromField)}, | |
1588 {CC"ensureClassInitialized",CC"("CLS")V", FN_PTR(Unsafe_EnsureClassInitialized)}, | |
1589 {CC"arrayBaseOffset", CC"("CLS")I", FN_PTR(Unsafe_ArrayBaseOffset)}, | |
1590 {CC"arrayIndexScale", CC"("CLS")I", FN_PTR(Unsafe_ArrayIndexScale)}, | |
1591 {CC"addressSize", CC"()I", FN_PTR(Unsafe_AddressSize)}, | |
1592 {CC"pageSize", CC"()I", FN_PTR(Unsafe_PageSize)}, | |
1593 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1594 {CC"defineClass", CC"("DC_Args")"CLS, FN_PTR(Unsafe_DefineClass)}, |
0 | 1595 {CC"allocateInstance", CC"("CLS")"OBJ, FN_PTR(Unsafe_AllocateInstance)}, |
1596 {CC"monitorEnter", CC"("OBJ")V", FN_PTR(Unsafe_MonitorEnter)}, | |
1597 {CC"monitorExit", CC"("OBJ")V", FN_PTR(Unsafe_MonitorExit)}, | |
1598 {CC"tryMonitorEnter", CC"("OBJ")Z", FN_PTR(Unsafe_TryMonitorEnter)}, | |
1599 {CC"throwException", CC"("THR")V", FN_PTR(Unsafe_ThrowException)}, | |
1600 {CC"compareAndSwapObject", CC"("OBJ"J"OBJ""OBJ")Z", FN_PTR(Unsafe_CompareAndSwapObject)}, | |
1601 {CC"compareAndSwapInt", CC"("OBJ"J""I""I"")Z", FN_PTR(Unsafe_CompareAndSwapInt)}, | |
1602 {CC"compareAndSwapLong", CC"("OBJ"J""J""J"")Z", FN_PTR(Unsafe_CompareAndSwapLong)}, | |
1603 {CC"putOrderedObject", CC"("OBJ"J"OBJ")V", FN_PTR(Unsafe_SetOrderedObject)}, | |
1604 {CC"putOrderedInt", CC"("OBJ"JI)V", FN_PTR(Unsafe_SetOrderedInt)}, | |
1605 {CC"putOrderedLong", CC"("OBJ"JJ)V", FN_PTR(Unsafe_SetOrderedLong)}, | |
1606 {CC"park", CC"(ZJ)V", FN_PTR(Unsafe_Park)}, | |
1607 {CC"unpark", CC"("OBJ")V", FN_PTR(Unsafe_Unpark)} | |
1608 }; | |
1609 | |
1610 JNINativeMethod loadavg_method[] = { | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1611 {CC"getLoadAverage", CC"([DI)I", FN_PTR(Unsafe_Loadavg)} |
0 | 1612 }; |
1613 | |
1614 JNINativeMethod prefetch_methods[] = { | |
1615 {CC"prefetchRead", CC"("OBJ"J)V", FN_PTR(Unsafe_PrefetchRead)}, | |
1616 {CC"prefetchWrite", CC"("OBJ"J)V", FN_PTR(Unsafe_PrefetchWrite)}, | |
1617 {CC"prefetchReadStatic", CC"("OBJ"J)V", FN_PTR(Unsafe_PrefetchRead)}, | |
1618 {CC"prefetchWriteStatic",CC"("OBJ"J)V", FN_PTR(Unsafe_PrefetchWrite)} | |
1619 }; | |
1620 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1621 JNINativeMethod memcopy_methods_17[] = { |
0 | 1622 {CC"copyMemory", CC"("OBJ"J"OBJ"JJ)V", FN_PTR(Unsafe_CopyMemory2)}, |
1623 {CC"setMemory", CC"("OBJ"JJB)V", FN_PTR(Unsafe_SetMemory2)} | |
1624 }; | |
1625 | |
1626 JNINativeMethod memcopy_methods_15[] = { | |
1627 {CC"setMemory", CC"("ADR"JB)V", FN_PTR(Unsafe_SetMemory)}, | |
1628 {CC"copyMemory", CC"("ADR ADR"J)V", FN_PTR(Unsafe_CopyMemory)} | |
1629 }; | |
1630 | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1631 JNINativeMethod anonk_methods[] = { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
1632 {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
|
1633 }; |
0 | 1634 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
1635 JNINativeMethod lform_methods[] = { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
1636 {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
|
1637 }; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6226
diff
changeset
|
1638 |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1639 JNINativeMethod fence_methods[] = { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1640 {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
|
1641 {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
|
1642 {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
|
1643 }; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1644 |
0 | 1645 #undef CC |
1646 #undef FN_PTR | |
1647 | |
1648 #undef ADR | |
1649 #undef LANG | |
1650 #undef OBJ | |
1651 #undef CLS | |
1652 #undef CTR | |
1653 #undef FLD | |
1654 #undef MTH | |
1655 #undef THR | |
1656 #undef DC0_Args | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1657 #undef DC_Args |
0 | 1658 |
1659 #undef DECLARE_GETSETOOP | |
1660 #undef DECLARE_GETSETNATIVE | |
1661 | |
1662 | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1663 /** |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1664 * Helper method to register native methods. |
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 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
|
1667 int status = env->RegisterNatives(clazz, methods, nMethods); |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1668 if (status < 0 || env->ExceptionOccurred()) { |
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: failed registering %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 env->ExceptionClear(); |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1673 return false; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1674 } else { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1675 if (PrintMiscellaneous && (Verbose || WizardMode)) { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1676 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
|
1677 } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1678 return true; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1679 } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1680 } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1681 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1682 |
0 | 1683 // This one function is exported, used by NativeLookup. |
1684 // The Unsafe_xxx functions above are called only from the interpreter. | |
1685 // The optimizer looks at names and signatures to recognize | |
1686 // individual functions. | |
1687 | |
1688 JVM_ENTRY(void, JVM_RegisterUnsafeMethods(JNIEnv *env, jclass unsafecls)) | |
1689 UnsafeWrapper("JVM_RegisterUnsafeMethods"); | |
1690 { | |
1691 ThreadToNativeFromVM ttnfv(thread); | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1692 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1693 // Unsafe methods |
0 | 1694 { |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1695 bool success = false; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1696 // 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
|
1697 if (!success) { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1698 success = register_natives("1.6 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
|
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("1.8 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
|
1702 } |
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("1.5 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
|
1705 } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1706 if (!success) { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1707 success = register_natives("1.4.1 methods", env, unsafecls, methods_141, sizeof(methods_141)/sizeof(JNINativeMethod)); |
0 | 1708 } |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1709 if (!success) { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1710 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
|
1711 } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1712 guarantee(success, "register unsafe natives"); |
0 | 1713 } |
8866
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 // Unsafe.getLoadAverage |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1716 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
|
1717 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1718 // Prefetch methods |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1719 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
|
1720 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1721 // Memory copy methods |
0 | 1722 { |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1723 bool success = false; |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1724 if (!success) { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1725 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
|
1726 } |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1727 if (!success) { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1728 success = register_natives("1.5 memory copy methods", env, unsafecls, memcopy_methods_15, sizeof(memcopy_methods_15)/sizeof(JNINativeMethod)); |
0 | 1729 } |
1730 } | |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1731 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1732 // Unsafe.defineAnonymousClass |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2376
diff
changeset
|
1733 if (EnableInvokeDynamic) { |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1734 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
|
1735 } |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1736 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1737 // Unsafe.shouldBeInitialized |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1738 if (EnableInvokeDynamic) { |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1739 register_natives("1.7 LambdaForm support", env, unsafecls, lform_methods, sizeof(lform_methods)/sizeof(JNINativeMethod)); |
0 | 1740 } |
8866
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1741 |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1742 // Fence methods |
16885e702c88
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
8001
diff
changeset
|
1743 register_natives("1.8 fence methods", env, unsafecls, fence_methods, sizeof(fence_methods)/sizeof(JNINativeMethod)); |
0 | 1744 } |
1745 JVM_END |