Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 20380:9337d0e7ea4f
8055919: Remove dead code in G1 concurrent marking code
Reviewed-by: jmasa, jwilhelm
author | tschatzl |
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date | Tue, 02 Sep 2014 15:04:00 +0200 |
parents | 833b0f92429a |
children | b12a2a9b05ca |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2012 Red Hat, Inc. |
0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
0 | 23 * |
24 */ | |
25 | |
1972 | 26 #include "precompiled.hpp" |
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27 #include "ci/ciReplay.hpp" |
6162 | 28 #include "classfile/altHashing.hpp" |
1972 | 29 #include "classfile/classLoader.hpp" |
30 #include "classfile/javaClasses.hpp" | |
31 #include "classfile/symbolTable.hpp" | |
32 #include "classfile/systemDictionary.hpp" | |
33 #include "classfile/vmSymbols.hpp" | |
34 #include "interpreter/linkResolver.hpp" | |
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35 #include "utilities/macros.hpp" |
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36 #if INCLUDE_ALL_GCS |
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37 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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38 #endif // INCLUDE_ALL_GCS |
6197 | 39 #include "memory/allocation.hpp" |
1972 | 40 #include "memory/allocation.inline.hpp" |
41 #include "memory/gcLocker.inline.hpp" | |
42 #include "memory/oopFactory.hpp" | |
43 #include "memory/universe.inline.hpp" | |
44 #include "oops/instanceKlass.hpp" | |
45 #include "oops/instanceOop.hpp" | |
46 #include "oops/markOop.hpp" | |
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47 #include "oops/method.hpp" |
1972 | 48 #include "oops/objArrayKlass.hpp" |
49 #include "oops/objArrayOop.hpp" | |
50 #include "oops/oop.inline.hpp" | |
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51 #include "oops/symbol.hpp" |
1972 | 52 #include "oops/typeArrayKlass.hpp" |
53 #include "oops/typeArrayOop.hpp" | |
54 #include "prims/jni.h" | |
55 #include "prims/jniCheck.hpp" | |
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56 #include "prims/jniExport.hpp" |
1972 | 57 #include "prims/jniFastGetField.hpp" |
58 #include "prims/jvm.h" | |
59 #include "prims/jvm_misc.hpp" | |
60 #include "prims/jvmtiExport.hpp" | |
61 #include "prims/jvmtiThreadState.hpp" | |
62 #include "runtime/compilationPolicy.hpp" | |
63 #include "runtime/fieldDescriptor.hpp" | |
64 #include "runtime/fprofiler.hpp" | |
65 #include "runtime/handles.inline.hpp" | |
66 #include "runtime/interfaceSupport.hpp" | |
67 #include "runtime/java.hpp" | |
68 #include "runtime/javaCalls.hpp" | |
69 #include "runtime/jfieldIDWorkaround.hpp" | |
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70 #include "runtime/orderAccess.inline.hpp" |
1972 | 71 #include "runtime/reflection.hpp" |
72 #include "runtime/sharedRuntime.hpp" | |
73 #include "runtime/signature.hpp" | |
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74 #include "runtime/thread.inline.hpp" |
1972 | 75 #include "runtime/vm_operations.hpp" |
20360 | 76 #include "services/memTracker.hpp" |
1972 | 77 #include "services/runtimeService.hpp" |
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78 #include "trace/tracing.hpp" |
1972 | 79 #include "utilities/defaultStream.hpp" |
80 #include "utilities/dtrace.hpp" | |
81 #include "utilities/events.hpp" | |
82 #include "utilities/histogram.hpp" | |
83 #ifdef TARGET_OS_FAMILY_linux | |
84 # include "os_linux.inline.hpp" | |
85 #endif | |
86 #ifdef TARGET_OS_FAMILY_solaris | |
87 # include "os_solaris.inline.hpp" | |
88 #endif | |
89 #ifdef TARGET_OS_FAMILY_windows | |
90 # include "os_windows.inline.hpp" | |
91 #endif | |
3960 | 92 #ifdef TARGET_OS_FAMILY_bsd |
93 # include "os_bsd.inline.hpp" | |
94 #endif | |
0 | 95 |
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96 static jint CurrentVersion = JNI_VERSION_1_8; |
0 | 97 |
98 | |
99 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
100 // '-return' probe regardless of the return path is taken out of the function. | |
101 // Methods that have multiple return paths use this to avoid having to | |
102 // instrument each return path. Methods that use CHECK or THROW must use this | |
103 // since those macros can cause an immedate uninstrumented return. | |
104 // | |
105 // In order to get the return value, a reference to the variable containing | |
106 // the return value must be passed to the contructor of the object, and | |
107 // the return value must be set before return (since the mark object has | |
108 // a reference to it). | |
109 // | |
110 // Example: | |
111 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
112 // JNI_ENTRY(int, SomeFunc, ...) | |
113 // int return_value = 0; | |
114 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
115 // foo(CHECK_0) | |
116 // return_value = 5; | |
117 // return return_value; | |
118 // JNI_END | |
4006 | 119 #ifndef USDT2 |
0 | 120 #define DT_RETURN_MARK_DECL(name, type) \ |
121 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
122 DTRACE_ONLY( \ | |
123 class DTraceReturnProbeMark_##name { \ | |
124 public: \ | |
125 const type& _ret_ref; \ | |
126 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
127 ~DTraceReturnProbeMark_##name() { \ | |
128 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
129 } \ | |
130 } \ | |
131 ) | |
132 // Void functions are simpler since there's no return value | |
133 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
134 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
135 DTRACE_ONLY( \ | |
136 class DTraceReturnProbeMark_##name { \ | |
137 public: \ | |
138 ~DTraceReturnProbeMark_##name() { \ | |
139 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
140 } \ | |
141 } \ | |
142 ) | |
143 | |
4006 | 144 #else /* USDT2 */ |
145 | |
146 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
147 DTRACE_ONLY( \ | |
148 class DTraceReturnProbeMark_##name { \ | |
149 public: \ | |
150 const type& _ret_ref; \ | |
151 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
152 ~DTraceReturnProbeMark_##name() { \ | |
153 probe; \ | |
154 } \ | |
155 } \ | |
156 ) | |
157 // Void functions are simpler since there's no return value | |
158 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
159 DTRACE_ONLY( \ | |
160 class DTraceReturnProbeMark_##name { \ | |
161 public: \ | |
162 ~DTraceReturnProbeMark_##name() { \ | |
163 probe; \ | |
164 } \ | |
165 } \ | |
166 ) | |
167 #endif /* USDT2 */ | |
0 | 168 |
169 // Place these macros in the function to mark the return. Non-void | |
170 // functions need the type and address of the return value. | |
171 #define DT_RETURN_MARK(name, type, ref) \ | |
172 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
173 #define DT_VOID_RETURN_MARK(name) \ | |
174 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
175 | |
176 | |
177 // Use these to select distinct code for floating-point vs. non-floating point | |
178 // situations. Used from within common macros where we need slightly | |
179 // different behavior for Float/Double | |
180 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
181 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
182 #define FP_SELECT_Char(intcode, fpcode) intcode | |
183 #define FP_SELECT_Short(intcode, fpcode) intcode | |
184 #define FP_SELECT_Object(intcode, fpcode) intcode | |
185 #define FP_SELECT_Int(intcode, fpcode) intcode | |
186 #define FP_SELECT_Long(intcode, fpcode) intcode | |
187 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
188 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
189 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
190 FP_SELECT_##TypeName(intcode, fpcode) | |
191 | |
192 #define COMMA , | |
193 | |
194 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
195 // (dtrace doesn't do FP yet) | |
4006 | 196 #ifndef USDT2 |
0 | 197 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
198 FP_SELECT(TypeName, \ | |
199 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
4006 | 200 #else /* USDT2 */ |
201 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
202 FP_SELECT(TypeName, \ | |
203 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
204 #endif /* USDT2 */ | |
0 | 205 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
206 FP_SELECT(TypeName, \ | |
207 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
208 | |
209 | |
210 // out-of-line helpers for class jfieldIDWorkaround: | |
211 | |
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212 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
0 | 213 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
214 uintptr_t as_uint = (uintptr_t) id; | |
215 intptr_t offset = raw_instance_offset(id); | |
216 if (is_checked_jfieldID(id)) { | |
217 if (!klass_hash_ok(k, id)) { | |
218 return false; | |
219 } | |
220 } | |
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221 return InstanceKlass::cast(k)->contains_field_offset(offset); |
0 | 222 } else { |
223 JNIid* result = (JNIid*) id; | |
224 #ifdef ASSERT | |
225 return result != NULL && result->is_static_field_id(); | |
226 #else | |
227 return result != NULL; | |
228 #endif | |
229 } | |
230 } | |
231 | |
232 | |
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233 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
0 | 234 if (offset <= small_offset_mask) { |
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235 Klass* field_klass = k; |
6983 | 236 Klass* super_klass = field_klass->super(); |
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237 // With compressed oops the most super class with nonstatic fields would |
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238 // be the owner of fields embedded in the header. |
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239 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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240 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
0 | 241 field_klass = super_klass; // super contains the field also |
6983 | 242 super_klass = field_klass->super(); |
0 | 243 } |
244 debug_only(No_Safepoint_Verifier nosafepoint;) | |
245 uintptr_t klass_hash = field_klass->identity_hash(); | |
246 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
247 } else { | |
248 #if 0 | |
249 #ifndef PRODUCT | |
250 { | |
251 ResourceMark rm; | |
6983 | 252 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
0 | 253 } |
254 #endif | |
255 #endif | |
256 return 0; | |
257 } | |
258 } | |
259 | |
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260 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
0 | 261 uintptr_t as_uint = (uintptr_t) id; |
262 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
263 do { | |
264 debug_only(No_Safepoint_Verifier nosafepoint;) | |
265 // Could use a non-blocking query for identity_hash here... | |
266 if ((k->identity_hash() & klass_mask) == klass_hash) | |
267 return true; | |
6983 | 268 k = k->super(); |
0 | 269 } while (k != NULL); |
270 return false; | |
271 } | |
272 | |
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273 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
0 | 274 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
275 uintptr_t as_uint = (uintptr_t) id; | |
276 intptr_t offset = raw_instance_offset(id); | |
277 if (VerifyJNIFields) { | |
278 if (is_checked_jfieldID(id)) { | |
279 guarantee(klass_hash_ok(k, id), | |
280 "Bug in native code: jfieldID class must match object"); | |
281 } else { | |
282 #if 0 | |
283 #ifndef PRODUCT | |
284 if (Verbose) { | |
285 ResourceMark rm; | |
6983 | 286 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
0 | 287 } |
288 #endif | |
289 #endif | |
290 } | |
291 } | |
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292 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
0 | 293 "Bug in native code: jfieldID offset must address interior of object"); |
294 } | |
295 | |
296 // Wrapper to trace JNI functions | |
297 | |
298 #ifdef ASSERT | |
299 Histogram* JNIHistogram; | |
300 static volatile jint JNIHistogram_lock = 0; | |
301 | |
302 class JNITraceWrapper : public StackObj { | |
303 public: | |
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304 JNITraceWrapper(const char* format, ...) ATTRIBUTE_PRINTF(2, 3) { |
0 | 305 if (TraceJNICalls) { |
306 va_list ap; | |
307 va_start(ap, format); | |
308 tty->print("JNI "); | |
309 tty->vprint_cr(format, ap); | |
310 va_end(ap); | |
311 } | |
312 } | |
313 }; | |
314 | |
315 class JNIHistogramElement : public HistogramElement { | |
316 public: | |
317 JNIHistogramElement(const char* name); | |
318 }; | |
319 | |
320 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
321 _name = elementName; | |
322 uintx count = 0; | |
323 | |
324 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
325 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
326 count +=1; | |
327 if ( (WarnOnStalledSpinLock > 0) | |
328 && (count % WarnOnStalledSpinLock == 0)) { | |
329 warning("JNIHistogram_lock seems to be stalled"); | |
330 } | |
331 } | |
332 } | |
333 | |
334 | |
335 if(JNIHistogram == NULL) | |
336 JNIHistogram = new Histogram("JNI Call Counts",100); | |
337 | |
338 JNIHistogram->add_element(this); | |
339 Atomic::dec(&JNIHistogram_lock); | |
340 } | |
341 | |
342 #define JNICountWrapper(arg) \ | |
343 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
344 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
345 if (e != NULL) e->increment_count() | |
346 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
347 #else | |
348 #define JNIWrapper(arg) | |
349 #endif | |
350 | |
351 | |
352 // Implementation of JNI entries | |
353 | |
4006 | 354 #ifndef USDT2 |
0 | 355 DT_RETURN_MARK_DECL(DefineClass, jclass); |
4006 | 356 #else /* USDT2 */ |
357 DT_RETURN_MARK_DECL(DefineClass, jclass | |
358 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
359 #endif /* USDT2 */ | |
0 | 360 |
361 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
362 const jbyte *buf, jsize bufLen)) | |
363 JNIWrapper("DefineClass"); | |
364 | |
4006 | 365 #ifndef USDT2 |
0 | 366 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
367 env, name, loaderRef, buf, bufLen); | |
4006 | 368 #else /* USDT2 */ |
369 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
370 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
371 #endif /* USDT2 */ | |
0 | 372 jclass cls = NULL; |
373 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
374 | |
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375 TempNewSymbol class_name = NULL; |
0 | 376 // Since exceptions can be thrown, class initialization can take place |
377 // if name is NULL no check for class name in .class stream has to be made. | |
378 if (name != NULL) { | |
379 const int str_len = (int)strlen(name); | |
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380 if (str_len > Symbol::max_length()) { |
0 | 381 // It's impossible to create this class; the name cannot fit |
382 // into the constant pool. | |
383 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
384 } | |
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385 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 386 } |
387 ResourceMark rm(THREAD); | |
388 ClassFileStream st((u1*) buf, bufLen, NULL); | |
389 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
390 | |
391 if (UsePerfData && !class_loader.is_null()) { | |
392 // check whether the current caller thread holds the lock or not. | |
393 // If not, increment the corresponding counter | |
394 if (ObjectSynchronizer:: | |
395 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
396 ObjectSynchronizer::owner_self) { | |
397 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
398 } | |
399 } | |
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400 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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401 Handle(), &st, true, |
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402 CHECK_NULL); |
0 | 403 |
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404 if (TraceClassResolution && k != NULL) { |
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405 trace_class_resolution(k); |
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406 } |
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407 |
0 | 408 cls = (jclass)JNIHandles::make_local( |
6983 | 409 env, k->java_mirror()); |
0 | 410 return cls; |
411 JNI_END | |
412 | |
413 | |
414 | |
415 static bool first_time_FindClass = true; | |
416 | |
4006 | 417 #ifndef USDT2 |
0 | 418 DT_RETURN_MARK_DECL(FindClass, jclass); |
4006 | 419 #else /* USDT2 */ |
420 DT_RETURN_MARK_DECL(FindClass, jclass | |
421 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
422 #endif /* USDT2 */ | |
0 | 423 |
424 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
425 JNIWrapper("FindClass"); | |
4006 | 426 #ifndef USDT2 |
0 | 427 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
4006 | 428 #else /* USDT2 */ |
429 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
430 env, (char *)name); | |
431 #endif /* USDT2 */ | |
0 | 432 |
433 jclass result = NULL; | |
434 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
435 | |
436 // Remember if we are the first invocation of jni_FindClass | |
437 bool first_time = first_time_FindClass; | |
438 first_time_FindClass = false; | |
439 | |
440 // Sanity check the name: it cannot be null or larger than the maximum size | |
441 // name we can fit in the constant pool. | |
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442 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
0 | 443 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
444 } | |
445 | |
446 //%note jni_3 | |
447 Handle loader; | |
448 Handle protection_domain; | |
449 // Find calling class | |
450 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
451 if (k.not_null()) { | |
452 loader = Handle(THREAD, k->class_loader()); | |
453 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
454 // in the correct class context. | |
455 if (loader.is_null() && | |
456 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
457 JavaValue result(T_OBJECT); | |
458 JavaCalls::call_static(&result, k, | |
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459 vmSymbols::getFromClass_name(), |
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460 vmSymbols::void_class_signature(), |
0 | 461 thread); |
462 if (HAS_PENDING_EXCEPTION) { | |
463 Handle ex(thread, thread->pending_exception()); | |
464 CLEAR_PENDING_EXCEPTION; | |
465 THROW_HANDLE_0(ex); | |
466 } | |
467 oop mirror = (oop) result.get_jobject(); | |
468 loader = Handle(THREAD, | |
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469 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
0 | 470 protection_domain = Handle(THREAD, |
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471 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
0 | 472 } |
473 } else { | |
474 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
475 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
476 } | |
477 | |
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478 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 479 result = find_class_from_class_loader(env, sym, true, loader, |
480 protection_domain, true, thread); | |
481 | |
657
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482 if (TraceClassResolution && result != NULL) { |
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483 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
657
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484 } |
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485 |
0 | 486 // If we were the first invocation of jni_FindClass, we enable compilation again |
487 // rather than just allowing invocation counter to overflow and decay. | |
488 // Controlled by flag DelayCompilationDuringStartup. | |
489 if (first_time && !CompileTheWorld) | |
490 CompilationPolicy::completed_vm_startup(); | |
491 | |
492 return result; | |
493 JNI_END | |
494 | |
4006 | 495 #ifndef USDT2 |
0 | 496 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
4006 | 497 #else /* USDT2 */ |
498 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
499 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
500 #endif /* USDT2 */ | |
0 | 501 |
502 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
503 JNIWrapper("FromReflectedMethod"); | |
4006 | 504 #ifndef USDT2 |
0 | 505 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
4006 | 506 #else /* USDT2 */ |
507 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
508 env, method); | |
509 #endif /* USDT2 */ | |
0 | 510 jmethodID ret = NULL; |
511 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
512 | |
513 // method is a handle to a java.lang.reflect.Method object | |
514 oop reflected = JNIHandles::resolve_non_null(method); | |
515 oop mirror = NULL; | |
516 int slot = 0; | |
517 | |
1142 | 518 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
0 | 519 mirror = java_lang_reflect_Constructor::clazz(reflected); |
520 slot = java_lang_reflect_Constructor::slot(reflected); | |
521 } else { | |
1142 | 522 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
0 | 523 mirror = java_lang_reflect_Method::clazz(reflected); |
524 slot = java_lang_reflect_Method::slot(reflected); | |
525 } | |
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526 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 527 |
528 KlassHandle k1(THREAD, k); | |
529 // Make sure class is initialized before handing id's out to methods | |
6983 | 530 k1()->initialize(CHECK_NULL); |
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531 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
0 | 532 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
533 return ret; | |
534 JNI_END | |
535 | |
4006 | 536 #ifndef USDT2 |
0 | 537 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
4006 | 538 #else /* USDT2 */ |
539 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
540 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
541 #endif /* USDT2 */ | |
0 | 542 |
543 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
544 JNIWrapper("FromReflectedField"); | |
4006 | 545 #ifndef USDT2 |
0 | 546 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
4006 | 547 #else /* USDT2 */ |
548 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
549 env, field); | |
550 #endif /* USDT2 */ | |
0 | 551 jfieldID ret = NULL; |
552 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
553 | |
554 // field is a handle to a java.lang.reflect.Field object | |
555 oop reflected = JNIHandles::resolve_non_null(field); | |
556 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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557 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 558 int slot = java_lang_reflect_Field::slot(reflected); |
559 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
560 | |
561 KlassHandle k1(THREAD, k); | |
562 // Make sure class is initialized before handing id's out to fields | |
6983 | 563 k1()->initialize(CHECK_NULL); |
0 | 564 |
565 // First check if this is a static field | |
566 if (modifiers & JVM_ACC_STATIC) { | |
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567 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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568 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
0 | 569 assert(id != NULL, "corrupt Field object"); |
570 debug_only(id->set_is_static_field_id();) | |
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571 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
0 | 572 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
573 return ret; | |
574 } | |
575 | |
576 // The slot is the index of the field description in the field-array | |
577 // The jfieldID is the offset of the field within the object | |
578 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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579 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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580 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
0 | 581 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
582 return ret; | |
583 JNI_END | |
584 | |
4006 | 585 #ifndef USDT2 |
0 | 586 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
4006 | 587 #else /* USDT2 */ |
588 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
589 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
590 #endif /* USDT2 */ | |
0 | 591 |
592 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
593 JNIWrapper("ToReflectedMethod"); | |
4006 | 594 #ifndef USDT2 |
0 | 595 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
4006 | 596 #else /* USDT2 */ |
597 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
598 env, cls, (uintptr_t) method_id, isStatic); | |
599 #endif /* USDT2 */ | |
0 | 600 jobject ret = NULL; |
601 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
602 | |
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603 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 604 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
605 oop reflection_method; | |
606 if (m->is_initializer()) { | |
607 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
608 } else { | |
609 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
610 } | |
611 ret = JNIHandles::make_local(env, reflection_method); | |
612 return ret; | |
613 JNI_END | |
614 | |
4006 | 615 #ifndef USDT2 |
0 | 616 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
4006 | 617 #else /* USDT2 */ |
618 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
619 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
620 #endif /* USDT2 */ | |
0 | 621 |
622 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
623 JNIWrapper("GetSuperclass"); | |
4006 | 624 #ifndef USDT2 |
0 | 625 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
4006 | 626 #else /* USDT2 */ |
627 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
628 env, sub); | |
629 #endif /* USDT2 */ | |
0 | 630 jclass obj = NULL; |
631 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
632 | |
633 oop mirror = JNIHandles::resolve_non_null(sub); | |
634 // primitive classes return NULL | |
635 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
636 | |
637 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
638 // arrays return Object | |
639 // interfaces return NULL | |
640 // proper classes return Klass::super() | |
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641 Klass* k = java_lang_Class::as_Klass(mirror); |
6983 | 642 if (k->is_interface()) return NULL; |
0 | 643 |
644 // return mirror for superclass | |
6983 | 645 Klass* super = k->java_super(); |
0 | 646 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
6983 | 647 debug_only(Klass* super2 = ( k->oop_is_array() |
1142 | 648 ? SystemDictionary::Object_klass() |
6983 | 649 : k->super() ) ); |
0 | 650 assert(super == super2, |
651 "java_super computation depends on interface, array, other super"); | |
6983 | 652 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
0 | 653 return obj; |
654 JNI_END | |
655 | |
656 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
657 JNIWrapper("IsSubclassOf"); | |
4006 | 658 #ifndef USDT2 |
0 | 659 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
4006 | 660 #else /* USDT2 */ |
661 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
662 env, sub, super); | |
663 #endif /* USDT2 */ | |
0 | 664 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
665 oop super_mirror = JNIHandles::resolve_non_null(super); | |
666 if (java_lang_Class::is_primitive(sub_mirror) || | |
667 java_lang_Class::is_primitive(super_mirror)) { | |
668 jboolean ret = (sub_mirror == super_mirror); | |
4006 | 669 #ifndef USDT2 |
0 | 670 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 671 #else /* USDT2 */ |
672 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
673 ret); | |
674 #endif /* USDT2 */ | |
0 | 675 return ret; |
676 } | |
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677 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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678 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
0 | 679 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
6983 | 680 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
0 | 681 JNI_TRUE : JNI_FALSE; |
4006 | 682 #ifndef USDT2 |
0 | 683 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 684 #else /* USDT2 */ |
685 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
686 ret); | |
687 #endif /* USDT2 */ | |
0 | 688 return ret; |
689 JNI_END | |
690 | |
4006 | 691 #ifndef USDT2 |
0 | 692 DT_RETURN_MARK_DECL(Throw, jint); |
4006 | 693 #else /* USDT2 */ |
694 DT_RETURN_MARK_DECL(Throw, jint | |
695 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
696 #endif /* USDT2 */ | |
0 | 697 |
698 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
699 JNIWrapper("Throw"); | |
4006 | 700 #ifndef USDT2 |
0 | 701 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
4006 | 702 #else /* USDT2 */ |
703 HOTSPOT_JNI_THROW_ENTRY( | |
704 env, obj); | |
705 #endif /* USDT2 */ | |
0 | 706 jint ret = JNI_OK; |
707 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
708 | |
709 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
710 ShouldNotReachHere(); | |
711 JNI_END | |
712 | |
4006 | 713 #ifndef USDT2 |
0 | 714 DT_RETURN_MARK_DECL(ThrowNew, jint); |
4006 | 715 #else /* USDT2 */ |
716 DT_RETURN_MARK_DECL(ThrowNew, jint | |
717 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
718 #endif /* USDT2 */ | |
0 | 719 |
720 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
721 JNIWrapper("ThrowNew"); | |
4006 | 722 #ifndef USDT2 |
0 | 723 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
4006 | 724 #else /* USDT2 */ |
725 HOTSPOT_JNI_THROWNEW_ENTRY( | |
726 env, clazz, (char *) message); | |
727 #endif /* USDT2 */ | |
0 | 728 jint ret = JNI_OK; |
729 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
730 | |
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731 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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732 Symbol* name = k->name(); |
0 | 733 Handle class_loader (THREAD, k->class_loader()); |
734 Handle protection_domain (THREAD, k->protection_domain()); | |
735 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
736 ShouldNotReachHere(); | |
737 JNI_END | |
738 | |
739 | |
740 // JNI functions only transform a pending async exception to a synchronous | |
741 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
742 // delivering an async exception in other places won't change the native | |
743 // code's control flow and would be harmful when native code further calls | |
744 // JNI functions with a pending exception. Async exception is also checked | |
745 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
746 // false but deliver the async exception at the very end during | |
747 // state transition. | |
748 | |
749 static void jni_check_async_exceptions(JavaThread *thread) { | |
750 assert(thread == Thread::current(), "must be itself"); | |
751 thread->check_and_handle_async_exceptions(); | |
752 } | |
753 | |
754 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
755 JNIWrapper("ExceptionOccurred"); | |
4006 | 756 #ifndef USDT2 |
0 | 757 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
4006 | 758 #else /* USDT2 */ |
759 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
760 env); | |
761 #endif /* USDT2 */ | |
0 | 762 jni_check_async_exceptions(thread); |
763 oop exception = thread->pending_exception(); | |
764 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
4006 | 765 #ifndef USDT2 |
0 | 766 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
4006 | 767 #else /* USDT2 */ |
768 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
769 ret); | |
770 #endif /* USDT2 */ | |
0 | 771 return ret; |
772 JNI_END | |
773 | |
774 | |
775 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
776 JNIWrapper("ExceptionDescribe"); | |
4006 | 777 #ifndef USDT2 |
0 | 778 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
4006 | 779 #else /* USDT2 */ |
780 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
781 env); | |
782 #endif /* USDT2 */ | |
0 | 783 if (thread->has_pending_exception()) { |
784 Handle ex(thread, thread->pending_exception()); | |
785 thread->clear_pending_exception(); | |
1142 | 786 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
0 | 787 // Don't print anything if we are being killed. |
788 } else { | |
789 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
790 if (thread != NULL && thread->threadObj() != NULL) { | |
791 ResourceMark rm(THREAD); | |
792 jio_fprintf(defaultStream::error_stream(), | |
793 "in thread \"%s\" ", thread->get_thread_name()); | |
794 } | |
1142 | 795 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
0 | 796 JavaValue result(T_VOID); |
797 JavaCalls::call_virtual(&result, | |
798 ex, | |
799 KlassHandle(THREAD, | |
1142 | 800 SystemDictionary::Throwable_klass()), |
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801 vmSymbols::printStackTrace_name(), |
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802 vmSymbols::void_method_signature(), |
0 | 803 THREAD); |
804 // If an exception is thrown in the call it gets thrown away. Not much | |
805 // we can do with it. The native code that calls this, does not check | |
806 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
807 // called, potentially causing a few asserts to trigger - since no pending exception | |
808 // is expected. | |
809 CLEAR_PENDING_EXCEPTION; | |
810 } else { | |
811 ResourceMark rm(THREAD); | |
812 jio_fprintf(defaultStream::error_stream(), | |
813 ". Uncaught exception of type %s.", | |
6983 | 814 ex->klass()->external_name()); |
0 | 815 } |
816 } | |
817 } | |
4006 | 818 #ifndef USDT2 |
0 | 819 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
4006 | 820 #else /* USDT2 */ |
821 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
822 ); | |
823 #endif /* USDT2 */ | |
0 | 824 JNI_END |
825 | |
826 | |
827 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
828 JNIWrapper("ExceptionClear"); | |
4006 | 829 #ifndef USDT2 |
0 | 830 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
4006 | 831 #else /* USDT2 */ |
832 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
833 env); | |
834 #endif /* USDT2 */ | |
0 | 835 |
836 // The jni code might be using this API to clear java thrown exception. | |
837 // So just mark jvmti thread exception state as exception caught. | |
838 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
839 if (state != NULL && state->is_exception_detected()) { | |
840 state->set_exception_caught(); | |
841 } | |
842 thread->clear_pending_exception(); | |
4006 | 843 #ifndef USDT2 |
0 | 844 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
4006 | 845 #else /* USDT2 */ |
846 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
847 ); | |
848 #endif /* USDT2 */ | |
0 | 849 JNI_END |
850 | |
851 | |
852 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
853 JNIWrapper("FatalError"); | |
4006 | 854 #ifndef USDT2 |
0 | 855 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
4006 | 856 #else /* USDT2 */ |
857 HOTSPOT_JNI_FATALERROR_ENTRY( | |
858 env, (char *) msg); | |
859 #endif /* USDT2 */ | |
0 | 860 tty->print_cr("FATAL ERROR in native method: %s", msg); |
861 thread->print_stack(); | |
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862 os::abort(); // Dump core and abort |
0 | 863 JNI_END |
864 | |
865 | |
866 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
867 JNIWrapper("PushLocalFrame"); | |
4006 | 868 #ifndef USDT2 |
0 | 869 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
4006 | 870 #else /* USDT2 */ |
871 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
872 env, capacity); | |
873 #endif /* USDT2 */ | |
0 | 874 //%note jni_11 |
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875 if (capacity < 0 || |
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876 ((MaxJNILocalCapacity > 0) && (capacity > MaxJNILocalCapacity))) { |
4006 | 877 #ifndef USDT2 |
0 | 878 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
4006 | 879 #else /* USDT2 */ |
880 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
881 (uint32_t)JNI_ERR); | |
882 #endif /* USDT2 */ | |
0 | 883 return JNI_ERR; |
884 } | |
885 JNIHandleBlock* old_handles = thread->active_handles(); | |
886 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
887 assert(new_handles != NULL, "should not be NULL"); | |
888 new_handles->set_pop_frame_link(old_handles); | |
889 thread->set_active_handles(new_handles); | |
890 jint ret = JNI_OK; | |
4006 | 891 #ifndef USDT2 |
0 | 892 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
4006 | 893 #else /* USDT2 */ |
894 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
895 ret); | |
896 #endif /* USDT2 */ | |
0 | 897 return ret; |
898 JNI_END | |
899 | |
900 | |
901 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
902 JNIWrapper("PopLocalFrame"); | |
4006 | 903 #ifndef USDT2 |
0 | 904 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
4006 | 905 #else /* USDT2 */ |
906 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
907 env, result); | |
908 #endif /* USDT2 */ | |
0 | 909 //%note jni_11 |
910 Handle result_handle(thread, JNIHandles::resolve(result)); | |
911 JNIHandleBlock* old_handles = thread->active_handles(); | |
912 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
913 if (new_handles != NULL) { | |
914 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
915 // This way code will still work if PopLocalFrame is called without a corresponding | |
916 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
917 // the release_block call will release the blocks. | |
918 thread->set_active_handles(new_handles); | |
919 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
920 JNIHandleBlock::release_block(old_handles, thread); // may block | |
921 result = JNIHandles::make_local(thread, result_handle()); | |
922 } | |
4006 | 923 #ifndef USDT2 |
0 | 924 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
4006 | 925 #else /* USDT2 */ |
926 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
927 result); | |
928 #endif /* USDT2 */ | |
0 | 929 return result; |
930 JNI_END | |
931 | |
932 | |
933 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
934 JNIWrapper("NewGlobalRef"); | |
4006 | 935 #ifndef USDT2 |
0 | 936 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
4006 | 937 #else /* USDT2 */ |
938 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
939 env, ref); | |
940 #endif /* USDT2 */ | |
0 | 941 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
942 jobject ret = JNIHandles::make_global(ref_handle); | |
4006 | 943 #ifndef USDT2 |
0 | 944 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
4006 | 945 #else /* USDT2 */ |
946 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
947 ret); | |
948 #endif /* USDT2 */ | |
0 | 949 return ret; |
950 JNI_END | |
951 | |
952 // Must be JNI_ENTRY (with HandleMark) | |
953 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
954 JNIWrapper("DeleteGlobalRef"); | |
4006 | 955 #ifndef USDT2 |
0 | 956 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
4006 | 957 #else /* USDT2 */ |
958 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
959 env, ref); | |
960 #endif /* USDT2 */ | |
0 | 961 JNIHandles::destroy_global(ref); |
4006 | 962 #ifndef USDT2 |
0 | 963 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
4006 | 964 #else /* USDT2 */ |
965 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
966 ); | |
967 #endif /* USDT2 */ | |
0 | 968 JNI_END |
969 | |
970 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
971 JNIWrapper("DeleteLocalRef"); | |
4006 | 972 #ifndef USDT2 |
0 | 973 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
4006 | 974 #else /* USDT2 */ |
975 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
976 env, obj); | |
977 #endif /* USDT2 */ | |
0 | 978 JNIHandles::destroy_local(obj); |
4006 | 979 #ifndef USDT2 |
0 | 980 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
4006 | 981 #else /* USDT2 */ |
982 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
983 ); | |
984 #endif /* USDT2 */ | |
0 | 985 JNI_END |
986 | |
987 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
988 JNIWrapper("IsSameObject"); | |
4006 | 989 #ifndef USDT2 |
0 | 990 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
4006 | 991 #else /* USDT2 */ |
992 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
993 env, r1, r2); | |
994 #endif /* USDT2 */ | |
0 | 995 oop a = JNIHandles::resolve(r1); |
996 oop b = JNIHandles::resolve(r2); | |
997 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
4006 | 998 #ifndef USDT2 |
0 | 999 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
4006 | 1000 #else /* USDT2 */ |
1001 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
1002 ret); | |
1003 #endif /* USDT2 */ | |
0 | 1004 return ret; |
1005 JNI_END | |
1006 | |
1007 | |
1008 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
1009 JNIWrapper("NewLocalRef"); | |
4006 | 1010 #ifndef USDT2 |
0 | 1011 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
4006 | 1012 #else /* USDT2 */ |
1013 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
1014 env, ref); | |
1015 #endif /* USDT2 */ | |
0 | 1016 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
4006 | 1017 #ifndef USDT2 |
0 | 1018 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
4006 | 1019 #else /* USDT2 */ |
1020 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
1021 ret); | |
1022 #endif /* USDT2 */ | |
0 | 1023 return ret; |
1024 JNI_END | |
1025 | |
1026 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
1027 JNIWrapper("EnsureLocalCapacity"); | |
4006 | 1028 #ifndef USDT2 |
0 | 1029 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
4006 | 1030 #else /* USDT2 */ |
1031 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
1032 env, capacity); | |
1033 #endif /* USDT2 */ | |
0 | 1034 jint ret; |
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1036 ((MaxJNILocalCapacity <= 0) || (capacity <= MaxJNILocalCapacity))) { |
0 | 1037 ret = JNI_OK; |
1038 } else { | |
1039 ret = JNI_ERR; | |
1040 } | |
4006 | 1041 #ifndef USDT2 |
0 | 1042 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
4006 | 1043 #else /* USDT2 */ |
1044 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
1045 ret); | |
1046 #endif /* USDT2 */ | |
0 | 1047 return ret; |
1048 JNI_END | |
1049 | |
1050 // Return the Handle Type | |
1051 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
1052 JNIWrapper("GetObjectRefType"); | |
4006 | 1053 #ifndef USDT2 |
0 | 1054 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
4006 | 1055 #else /* USDT2 */ |
1056 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
1057 env, obj); | |
1058 #endif /* USDT2 */ | |
0 | 1059 jobjectRefType ret; |
1060 if (JNIHandles::is_local_handle(thread, obj) || | |
1061 JNIHandles::is_frame_handle(thread, obj)) | |
1062 ret = JNILocalRefType; | |
1063 else if (JNIHandles::is_global_handle(obj)) | |
1064 ret = JNIGlobalRefType; | |
1065 else if (JNIHandles::is_weak_global_handle(obj)) | |
1066 ret = JNIWeakGlobalRefType; | |
1067 else | |
1068 ret = JNIInvalidRefType; | |
4006 | 1069 #ifndef USDT2 |
0 | 1070 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
4006 | 1071 #else /* USDT2 */ |
1072 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
1073 (void *) ret); | |
1074 #endif /* USDT2 */ | |
0 | 1075 return ret; |
1076 JNI_END | |
1077 | |
1078 | |
1079 class JNI_ArgumentPusher : public SignatureIterator { | |
1080 protected: | |
1081 JavaCallArguments* _arguments; | |
1082 | |
1083 virtual void get_bool () = 0; | |
1084 virtual void get_char () = 0; | |
1085 virtual void get_short () = 0; | |
1086 virtual void get_byte () = 0; | |
1087 virtual void get_int () = 0; | |
1088 virtual void get_long () = 0; | |
1089 virtual void get_float () = 0; | |
1090 virtual void get_double () = 0; | |
1091 virtual void get_object () = 0; | |
1092 | |
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1093 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
0 | 1094 this->_return_type = T_ILLEGAL; |
1095 _arguments = NULL; | |
1096 } | |
1097 | |
1098 public: | |
1099 virtual void iterate( uint64_t fingerprint ) = 0; | |
1100 | |
1101 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
1102 | |
1103 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
1104 inline void do_char() { if (!is_return_type()) get_char(); } | |
1105 inline void do_short() { if (!is_return_type()) get_short(); } | |
1106 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
1107 inline void do_int() { if (!is_return_type()) get_int(); } | |
1108 inline void do_long() { if (!is_return_type()) get_long(); } | |
1109 inline void do_float() { if (!is_return_type()) get_float(); } | |
1110 inline void do_double() { if (!is_return_type()) get_double(); } | |
1111 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
1112 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
1113 inline void do_void() { } | |
1114 | |
1115 JavaCallArguments* arguments() { return _arguments; } | |
1116 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
1117 }; | |
1118 | |
1119 | |
1120 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
1121 protected: | |
1122 va_list _ap; | |
1123 | |
1124 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
1125 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
1126 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
1127 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
1128 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
1129 | |
1130 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
1131 | |
1132 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
1133 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
1134 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
1135 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
1136 _arguments->push_oop(Handle((oop *)l, false)); } | |
1137 | |
1138 inline void set_ap(va_list rap) { | |
1139 #ifdef va_copy | |
1140 va_copy(_ap, rap); | |
1141 #elif defined (__va_copy) | |
1142 __va_copy(_ap, rap); | |
1143 #else | |
1144 _ap = rap; | |
1145 #endif | |
1146 } | |
1147 | |
1148 public: | |
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1149 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1150 : JNI_ArgumentPusher(signature) { |
0 | 1151 set_ap(rap); |
1152 } | |
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1153 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1154 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 1155 set_ap(rap); |
1156 } | |
1157 | |
1158 // Optimized path if we have the bitvector form of signature | |
1159 void iterate( uint64_t fingerprint ) { | |
1160 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
1161 else { | |
1162 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1163 result_feature_mask); | |
1164 | |
1165 assert(fingerprint, "Fingerprint should not be 0"); | |
1166 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1167 while ( 1 ) { | |
1168 switch ( fingerprint & parameter_feature_mask ) { | |
1169 case bool_parm: | |
1170 case char_parm: | |
1171 case short_parm: | |
1172 case byte_parm: | |
1173 case int_parm: | |
1174 get_int(); | |
1175 break; | |
1176 case obj_parm: | |
1177 get_object(); | |
1178 break; | |
1179 case long_parm: | |
1180 get_long(); | |
1181 break; | |
1182 case float_parm: | |
1183 get_float(); | |
1184 break; | |
1185 case double_parm: | |
1186 get_double(); | |
1187 break; | |
1188 case done_parm: | |
1189 return; | |
1190 break; | |
1191 default: | |
1192 ShouldNotReachHere(); | |
1193 break; | |
1194 } | |
1195 fingerprint >>= parameter_feature_size; | |
1196 } | |
1197 } | |
1198 } | |
1199 }; | |
1200 | |
1201 | |
1202 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
1203 protected: | |
1204 const jvalue *_ap; | |
1205 | |
1206 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
1207 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
1208 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
1209 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
1210 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
1211 | |
1212 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
1213 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
1214 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
1215 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
1216 | |
1217 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
1218 | |
1219 public: | |
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1220 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1221 : JNI_ArgumentPusher(signature) { |
0 | 1222 set_ap(rap); |
1223 } | |
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1224 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1225 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 1226 set_ap(rap); |
1227 } | |
1228 | |
1229 // Optimized path if we have the bitvector form of signature | |
1230 void iterate( uint64_t fingerprint ) { | |
1231 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
1232 else { | |
1233 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1234 result_feature_mask); | |
1235 assert(fingerprint, "Fingerprint should not be 0"); | |
1236 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1237 while ( 1 ) { | |
1238 switch ( fingerprint & parameter_feature_mask ) { | |
1239 case bool_parm: | |
1240 get_bool(); | |
1241 break; | |
1242 case char_parm: | |
1243 get_char(); | |
1244 break; | |
1245 case short_parm: | |
1246 get_short(); | |
1247 break; | |
1248 case byte_parm: | |
1249 get_byte(); | |
1250 break; | |
1251 case int_parm: | |
1252 get_int(); | |
1253 break; | |
1254 case obj_parm: | |
1255 get_object(); | |
1256 break; | |
1257 case long_parm: | |
1258 get_long(); | |
1259 break; | |
1260 case float_parm: | |
1261 get_float(); | |
1262 break; | |
1263 case double_parm: | |
1264 get_double(); | |
1265 break; | |
1266 case done_parm: | |
1267 return; | |
1268 break; | |
1269 default: | |
1270 ShouldNotReachHere(); | |
1271 break; | |
1272 } | |
1273 fingerprint >>= parameter_feature_size; | |
1274 } | |
1275 } | |
1276 } | |
1277 }; | |
1278 | |
1279 | |
1280 enum JNICallType { | |
1281 JNI_STATIC, | |
1282 JNI_VIRTUAL, | |
1283 JNI_NONVIRTUAL | |
1284 }; | |
1285 | |
1286 | |
1287 | |
1288 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
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1289 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 1290 |
1291 // Create object to hold arguments for the JavaCall, and associate it with | |
1292 // the jni parser | |
1293 ResourceMark rm(THREAD); | |
1294 int number_of_parameters = method->size_of_parameters(); | |
1295 JavaCallArguments java_args(number_of_parameters); | |
1296 args->set_java_argument_object(&java_args); | |
1297 | |
1298 assert(method->is_static(), "method should be static"); | |
1299 | |
1300 // Fill out JavaCallArguments object | |
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1301 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1302 // Initialize result type |
1303 result->set_type(args->get_ret_type()); | |
1304 | |
1305 // Invoke the method. Result is returned as oop. | |
1306 JavaCalls::call(result, method, &java_args, CHECK); | |
1307 | |
1308 // Convert result | |
1309 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1310 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1311 } | |
1312 } | |
1313 | |
1314 | |
1315 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1316 oop recv = JNIHandles::resolve(receiver); | |
1317 if (recv == NULL) { | |
1318 THROW(vmSymbols::java_lang_NullPointerException()); | |
1319 } | |
1320 Handle h_recv(THREAD, recv); | |
1321 | |
1322 int number_of_parameters; | |
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1323 Method* selected_method; |
0 | 1324 { |
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1325 Method* m = Method::resolve_jmethod_id(method_id); |
0 | 1326 number_of_parameters = m->size_of_parameters(); |
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1327 Klass* holder = m->method_holder(); |
6983 | 1328 if (!(holder)->is_interface()) { |
0 | 1329 // non-interface call -- for that little speed boost, don't handlize |
1330 debug_only(No_Safepoint_Verifier nosafepoint;) | |
1331 if (call_type == JNI_VIRTUAL) { | |
1332 // jni_GetMethodID makes sure class is linked and initialized | |
1333 // so m should have a valid vtable index. | |
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1334 assert(!m->has_itable_index(), ""); |
0 | 1335 int vtbl_index = m->vtable_index(); |
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1336 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1337 Klass* k = h_recv->klass(); |
0 | 1338 // k might be an arrayKlassOop but all vtables start at |
1339 // the same place. The cast is to avoid virtual call and assertion. | |
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1340 InstanceKlass *ik = (InstanceKlass*)k; |
0 | 1341 selected_method = ik->method_at_vtable(vtbl_index); |
1342 } else { | |
1343 // final method | |
1344 selected_method = m; | |
1345 } | |
1346 } else { | |
1347 // JNI_NONVIRTUAL call | |
1348 selected_method = m; | |
1349 } | |
1350 } else { | |
1351 // interface call | |
1352 KlassHandle h_holder(THREAD, holder); | |
1353 | |
17685 | 1354 if (call_type == JNI_VIRTUAL) { |
1355 int itbl_index = m->itable_index(); | |
1356 Klass* k = h_recv->klass(); | |
1357 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
1358 } else { | |
1359 selected_method = m; | |
1360 } | |
0 | 1361 } |
1362 } | |
1363 | |
1364 methodHandle method(THREAD, selected_method); | |
1365 | |
1366 // Create object to hold arguments for the JavaCall, and associate it with | |
1367 // the jni parser | |
1368 ResourceMark rm(THREAD); | |
1369 JavaCallArguments java_args(number_of_parameters); | |
1370 args->set_java_argument_object(&java_args); | |
1371 | |
1372 // handle arguments | |
1373 assert(!method->is_static(), "method should not be static"); | |
1374 args->push_receiver(h_recv); // Push jobject handle | |
1375 | |
1376 // Fill out JavaCallArguments object | |
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1377 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1378 // Initialize result type |
1379 result->set_type(args->get_ret_type()); | |
1380 | |
1381 // Invoke the method. Result is returned as oop. | |
1382 JavaCalls::call(result, method, &java_args, CHECK); | |
1383 | |
1384 // Convert result | |
1385 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1386 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1387 } | |
1388 } | |
1389 | |
1390 | |
1391 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1392 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
6983 | 1393 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1394 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1395 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
0 | 1396 return ih; |
1397 } | |
1398 | |
4006 | 1399 #ifndef USDT2 |
0 | 1400 DT_RETURN_MARK_DECL(AllocObject, jobject); |
4006 | 1401 #else /* USDT2 */ |
1402 DT_RETURN_MARK_DECL(AllocObject, jobject | |
1403 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
1404 #endif /* USDT2 */ | |
0 | 1405 |
1406 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
1407 JNIWrapper("AllocObject"); | |
1408 | |
4006 | 1409 #ifndef USDT2 |
0 | 1410 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
4006 | 1411 #else /* USDT2 */ |
1412 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
1413 env, clazz); | |
1414 #endif /* USDT2 */ | |
0 | 1415 jobject ret = NULL; |
1416 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
1417 | |
1418 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1419 ret = JNIHandles::make_local(env, i); | |
1420 return ret; | |
1421 JNI_END | |
1422 | |
4006 | 1423 #ifndef USDT2 |
0 | 1424 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
4006 | 1425 #else /* USDT2 */ |
1426 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
1427 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
1428 #endif /* USDT2 */ | |
0 | 1429 |
1430 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
1431 JNIWrapper("NewObjectA"); | |
4006 | 1432 #ifndef USDT2 |
0 | 1433 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
4006 | 1434 #else /* USDT2 */ |
1435 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
1436 env, clazz, (uintptr_t) methodID); | |
1437 #endif /* USDT2 */ | |
0 | 1438 jobject obj = NULL; |
1439 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
1440 | |
1441 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1442 obj = JNIHandles::make_local(env, i); | |
1443 JavaValue jvalue(T_VOID); | |
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1444 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1445 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1446 return obj; | |
1447 JNI_END | |
1448 | |
4006 | 1449 #ifndef USDT2 |
0 | 1450 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
4006 | 1451 #else /* USDT2 */ |
1452 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
1453 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
1454 #endif /* USDT2 */ | |
0 | 1455 |
1456 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
1457 JNIWrapper("NewObjectV"); | |
4006 | 1458 #ifndef USDT2 |
0 | 1459 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
4006 | 1460 #else /* USDT2 */ |
1461 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
1462 env, clazz, (uintptr_t) methodID); | |
1463 #endif /* USDT2 */ | |
0 | 1464 jobject obj = NULL; |
1465 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
1466 | |
1467 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1468 obj = JNIHandles::make_local(env, i); | |
1469 JavaValue jvalue(T_VOID); | |
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1470 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1471 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1472 return obj; | |
1473 JNI_END | |
1474 | |
4006 | 1475 #ifndef USDT2 |
0 | 1476 DT_RETURN_MARK_DECL(NewObject, jobject); |
4006 | 1477 #else /* USDT2 */ |
1478 DT_RETURN_MARK_DECL(NewObject, jobject | |
1479 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
1480 #endif /* USDT2 */ | |
0 | 1481 |
1482 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
1483 JNIWrapper("NewObject"); | |
4006 | 1484 #ifndef USDT2 |
0 | 1485 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
4006 | 1486 #else /* USDT2 */ |
1487 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
1488 env, clazz, (uintptr_t) methodID); | |
1489 #endif /* USDT2 */ | |
0 | 1490 jobject obj = NULL; |
1491 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
1492 | |
1493 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1494 obj = JNIHandles::make_local(env, i); | |
1495 va_list args; | |
1496 va_start(args, methodID); | |
1497 JavaValue jvalue(T_VOID); | |
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1498 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1499 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1500 va_end(args); | |
1501 return obj; | |
1502 JNI_END | |
1503 | |
1504 | |
1505 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
1506 JNIWrapper("GetObjectClass"); | |
4006 | 1507 #ifndef USDT2 |
0 | 1508 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
4006 | 1509 #else /* USDT2 */ |
1510 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
1511 env, obj); | |
1512 #endif /* USDT2 */ | |
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1513 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
0 | 1514 jclass ret = |
6983 | 1515 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
4006 | 1516 #ifndef USDT2 |
0 | 1517 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
4006 | 1518 #else /* USDT2 */ |
1519 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
1520 ret); | |
1521 #endif /* USDT2 */ | |
0 | 1522 return ret; |
1523 JNI_END | |
1524 | |
1525 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
1526 JNIWrapper("IsInstanceOf"); | |
4006 | 1527 #ifndef USDT2 |
0 | 1528 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
4006 | 1529 #else /* USDT2 */ |
1530 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
1531 env, obj, clazz); | |
1532 #endif /* USDT2 */ | |
0 | 1533 jboolean ret = JNI_TRUE; |
1534 if (obj != NULL) { | |
1535 ret = JNI_FALSE; | |
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1536 Klass* k = java_lang_Class::as_Klass( |
0 | 1537 JNIHandles::resolve_non_null(clazz)); |
1538 if (k != NULL) { | |
1539 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
1540 } | |
1541 } | |
4006 | 1542 #ifndef USDT2 |
0 | 1543 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
4006 | 1544 #else /* USDT2 */ |
1545 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
1546 ret); | |
1547 #endif /* USDT2 */ | |
0 | 1548 return ret; |
1549 JNI_END | |
1550 | |
1551 | |
1552 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
1553 const char *sig, bool is_static, TRAPS) { | |
1554 // %%%% This code should probably just call into a method in the LinkResolver | |
1555 // | |
1556 // The class should have been loaded (we have an instance of the class | |
1557 // passed in) so the method and signature should already be in the symbol | |
1558 // table. If they're not there, the method doesn't exist. | |
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1559 const char *name_to_probe = (name_str == NULL) |
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1560 ? vmSymbols::object_initializer_name()->as_C_string() |
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1561 : name_str; |
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1562 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1563 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1564 |
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1565 if (name == NULL || signature == NULL) { |
0 | 1566 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
1567 } | |
1568 | |
1569 // Throw a NoSuchMethodError exception if we have an instance of a | |
1570 // primitive java.lang.Class | |
1571 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
1572 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1573 } | |
1574 | |
1575 KlassHandle klass(THREAD, | |
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1576 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 1577 |
1578 // Make sure class is linked and initialized before handing id's out to | |
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1579 // Method*s. |
6983 | 1580 klass()->initialize(CHECK_NULL); |
0 | 1581 |
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1582 Method* m; |
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1583 if (name == vmSymbols::object_initializer_name() || |
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1584 name == vmSymbols::class_initializer_name()) { |
0 | 1585 // Never search superclasses for constructors |
1586 if (klass->oop_is_instance()) { | |
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1587 m = InstanceKlass::cast(klass())->find_method(name, signature); |
0 | 1588 } else { |
1589 m = NULL; | |
1590 } | |
1591 } else { | |
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1592 m = klass->lookup_method(name, signature); |
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1593 if (m == NULL && klass->oop_is_instance()) { |
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1594 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
0 | 1595 } |
1596 } | |
1597 if (m == NULL || (m->is_static() != is_static)) { | |
1598 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1599 } | |
1600 return m->jmethod_id(); | |
1601 } | |
1602 | |
1603 | |
1604 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
1605 const char *name, const char *sig)) | |
1606 JNIWrapper("GetMethodID"); | |
4006 | 1607 #ifndef USDT2 |
0 | 1608 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
4006 | 1609 #else /* USDT2 */ |
1610 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
1611 env, clazz, (char *) name, (char *) sig); | |
1612 #endif /* USDT2 */ | |
0 | 1613 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
4006 | 1614 #ifndef USDT2 |
0 | 1615 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
4006 | 1616 #else /* USDT2 */ |
1617 HOTSPOT_JNI_GETMETHODID_RETURN( | |
1618 (uintptr_t) ret); | |
1619 #endif /* USDT2 */ | |
0 | 1620 return ret; |
1621 JNI_END | |
1622 | |
1623 | |
1624 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
1625 const char *name, const char *sig)) | |
1626 JNIWrapper("GetStaticMethodID"); | |
4006 | 1627 #ifndef USDT2 |
0 | 1628 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
4006 | 1629 #else /* USDT2 */ |
1630 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
1631 env, (char *) clazz, (char *) name, (char *)sig); | |
1632 #endif /* USDT2 */ | |
0 | 1633 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
4006 | 1634 #ifndef USDT2 |
0 | 1635 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
4006 | 1636 #else /* USDT2 */ |
1637 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
1638 (uintptr_t) ret); | |
1639 #endif /* USDT2 */ | |
0 | 1640 return ret; |
1641 JNI_END | |
1642 | |
1643 | |
1644 | |
1645 // | |
1646 // Calling Methods | |
1647 // | |
1648 | |
4006 | 1649 #ifndef USDT2 |
0 | 1650 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
1651 \ | |
1652 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
1653 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
1654 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
1655 \ | |
1656 JNI_ENTRY(ResultType, \ | |
1657 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1658 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1659 \ | |
4006 | 1660 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
0 | 1661 ResultType ret = 0;\ |
1662 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1663 (const ResultType&)ret);\ | |
1664 \ | |
1665 va_list args; \ | |
1666 va_start(args, methodID); \ | |
1667 JavaValue jvalue(Tag); \ | |
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1668 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1669 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1670 va_end(args); \ | |
1671 ret = jvalue.get_##ResultType(); \ | |
1672 return ret;\ | |
1673 JNI_END \ | |
1674 \ | |
1675 \ | |
1676 JNI_ENTRY(ResultType, \ | |
1677 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1678 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1679 \ | |
4006 | 1680 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
0 | 1681 ResultType ret = 0;\ |
1682 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1683 (const ResultType&)ret);\ | |
1684 \ | |
1685 JavaValue jvalue(Tag); \ | |
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1686 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1687 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1688 ret = jvalue.get_##ResultType(); \ | |
1689 return ret;\ | |
1690 JNI_END \ | |
1691 \ | |
1692 \ | |
1693 JNI_ENTRY(ResultType, \ | |
1694 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1695 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
4006 | 1696 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
0 | 1697 ResultType ret = 0;\ |
1698 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1699 (const ResultType&)ret);\ | |
1700 \ | |
1701 JavaValue jvalue(Tag); \ | |
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1702 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 1703 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1704 ret = jvalue.get_##ResultType(); \ | |
1705 return ret;\ | |
1706 JNI_END | |
1707 | |
1708 // the runtime type of subword integral basic types is integer | |
1709 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
1710 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
1711 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
1712 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
1713 | |
1714 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
1715 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
1716 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
1717 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
1718 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
1719 | |
1720 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
1721 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
1722 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
1723 | |
4006 | 1724 #else /* USDT2 */ |
1725 | |
1726 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
1727 , EntryProbe, ReturnProbe) \ | |
1728 \ | |
1729 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
1730 , ReturnProbe); \ | |
1731 \ | |
1732 JNI_ENTRY(ResultType, \ | |
1733 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1734 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1735 \ | |
1736 EntryProbe; \ | |
1737 ResultType ret = 0;\ | |
1738 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1739 (const ResultType&)ret);\ | |
1740 \ | |
1741 va_list args; \ | |
1742 va_start(args, methodID); \ | |
1743 JavaValue jvalue(Tag); \ | |
1744 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1745 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1746 va_end(args); \ | |
1747 ret = jvalue.get_##ResultType(); \ | |
1748 return ret;\ | |
1749 JNI_END | |
1750 | |
1751 // the runtime type of subword integral basic types is integer | |
1752 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
1753 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1754 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1755 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
1756 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1757 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1758 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
1759 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1760 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1761 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
1762 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1763 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1764 | |
1765 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
1766 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1767 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1768 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
1769 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1770 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1771 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
1772 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1773 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1774 // Float and double probes don't return value because dtrace doesn't currently support it | |
1775 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
1776 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1777 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1778 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
1779 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1780 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1781 | |
1782 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
1783 , EntryProbe, ReturnProbe) \ | |
1784 \ | |
1785 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
1786 , ReturnProbe); \ | |
1787 \ | |
1788 JNI_ENTRY(ResultType, \ | |
1789 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1790 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1791 \ | |
1792 EntryProbe;\ | |
1793 ResultType ret = 0;\ | |
1794 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1795 (const ResultType&)ret);\ | |
1796 \ | |
1797 JavaValue jvalue(Tag); \ | |
1798 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1799 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1800 ret = jvalue.get_##ResultType(); \ | |
1801 return ret;\ | |
1802 JNI_END | |
1803 | |
1804 // the runtime type of subword integral basic types is integer | |
1805 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
1806 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1807 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1808 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
1809 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1810 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1811 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
1812 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1813 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1814 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
1815 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1816 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1817 | |
1818 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
1819 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1820 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1821 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
1822 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1823 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1824 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
1825 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1826 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1827 // Float and double probes don't return value because dtrace doesn't currently support it | |
1828 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
1829 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1830 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1831 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
1832 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1833 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1834 | |
1835 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
1836 , EntryProbe, ReturnProbe) \ | |
1837 \ | |
1838 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
1839 , ReturnProbe); \ | |
1840 \ | |
1841 JNI_ENTRY(ResultType, \ | |
1842 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1843 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
1844 EntryProbe; \ | |
1845 ResultType ret = 0;\ | |
1846 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1847 (const ResultType&)ret);\ | |
1848 \ | |
1849 JavaValue jvalue(Tag); \ | |
1850 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1851 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1852 ret = jvalue.get_##ResultType(); \ | |
1853 return ret;\ | |
1854 JNI_END | |
1855 | |
1856 // the runtime type of subword integral basic types is integer | |
1857 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
1858 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1859 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1860 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
1861 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1862 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1863 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
1864 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1865 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1866 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
1867 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1868 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1869 | |
1870 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
1871 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1872 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1873 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
1874 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1875 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1876 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
1877 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1878 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1879 // Float and double probes don't return value because dtrace doesn't currently support it | |
1880 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
1881 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1882 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1883 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
1884 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1885 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1886 | |
1887 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
1888 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
1889 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
1890 | |
1891 #endif /* USDT2 */ | |
1892 | |
0 | 1893 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
1894 JNIWrapper("CallVoidMethod"); | |
4006 | 1895 #ifndef USDT2 |
0 | 1896 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
4006 | 1897 #else /* USDT2 */ |
1898 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
1899 env, obj, (uintptr_t) methodID); | |
1900 #endif /* USDT2 */ | |
0 | 1901 DT_VOID_RETURN_MARK(CallVoidMethod); |
1902 | |
1903 va_list args; | |
1904 va_start(args, methodID); | |
1905 JavaValue jvalue(T_VOID); | |
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1906 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1907 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1908 va_end(args); | |
1909 JNI_END | |
1910 | |
1911 | |
1912 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
1913 JNIWrapper("CallVoidMethodV"); | |
4006 | 1914 #ifndef USDT2 |
0 | 1915 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
4006 | 1916 #else /* USDT2 */ |
1917 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
1918 env, obj, (uintptr_t) methodID); | |
1919 #endif /* USDT2 */ | |
0 | 1920 DT_VOID_RETURN_MARK(CallVoidMethodV); |
1921 | |
1922 JavaValue jvalue(T_VOID); | |
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1923 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1924 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1925 JNI_END | |
1926 | |
1927 | |
1928 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
1929 JNIWrapper("CallVoidMethodA"); | |
4006 | 1930 #ifndef USDT2 |
0 | 1931 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
4006 | 1932 #else /* USDT2 */ |
1933 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
1934 env, obj, (uintptr_t) methodID); | |
1935 #endif /* USDT2 */ | |
0 | 1936 DT_VOID_RETURN_MARK(CallVoidMethodA); |
1937 | |
1938 JavaValue jvalue(T_VOID); | |
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1939 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1940 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1941 JNI_END | |
1942 | |
1943 | |
4006 | 1944 #ifndef USDT2 |
0 | 1945 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
1946 \ | |
1947 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
1948 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
1949 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
1950 \ | |
1951 JNI_ENTRY(ResultType, \ | |
1952 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
1953 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
1954 \ | |
1955 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
1956 ResultType ret;\ | |
1957 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
1958 (const ResultType&)ret);\ | |
1959 \ | |
1960 va_list args; \ | |
1961 va_start(args, methodID); \ | |
1962 JavaValue jvalue(Tag); \ | |
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1963 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1964 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1965 va_end(args); \ | |
1966 ret = jvalue.get_##ResultType(); \ | |
1967 return ret;\ | |
1968 JNI_END \ | |
1969 \ | |
1970 JNI_ENTRY(ResultType, \ | |
1971 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
1972 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
1973 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
1974 ResultType ret;\ | |
1975 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
1976 (const ResultType&)ret);\ | |
1977 \ | |
1978 JavaValue jvalue(Tag); \ | |
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1979 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1980 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1981 ret = jvalue.get_##ResultType(); \ | |
1982 return ret;\ | |
1983 JNI_END \ | |
1984 \ | |
1985 JNI_ENTRY(ResultType, \ | |
1986 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
1987 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
1988 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
1989 ResultType ret;\ | |
1990 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
1991 (const ResultType&)ret);\ | |
1992 \ | |
1993 JavaValue jvalue(Tag); \ | |
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1994 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 1995 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1996 ret = jvalue.get_##ResultType(); \ | |
1997 return ret;\ | |
1998 JNI_END | |
1999 | |
2000 // the runtime type of subword integral basic types is integer | |
2001 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2002 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
2003 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
2004 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
2005 | |
2006 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
2007 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
2008 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
2009 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
2010 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
2011 | |
2012 | |
2013 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
2014 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
2015 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
2016 | |
4006 | 2017 #else /* USDT2 */ |
2018 | |
2019 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
2020 , EntryProbe, ReturnProbe) \ | |
2021 \ | |
2022 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
2023 , ReturnProbe);\ | |
2024 \ | |
2025 JNI_ENTRY(ResultType, \ | |
2026 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
2027 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
2028 \ | |
2029 EntryProbe;\ | |
2030 ResultType ret;\ | |
2031 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
2032 (const ResultType&)ret);\ | |
2033 \ | |
2034 va_list args; \ | |
2035 va_start(args, methodID); \ | |
2036 JavaValue jvalue(Tag); \ | |
2037 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2038 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2039 va_end(args); \ | |
2040 ret = jvalue.get_##ResultType(); \ | |
2041 return ret;\ | |
2042 JNI_END | |
2043 | |
2044 // the runtime type of subword integral basic types is integer | |
2045 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
2046 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2047 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
2048 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
2049 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2050 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
2051 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
2052 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2053 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
2054 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
2055 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2056 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
2057 | |
2058 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
2059 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2060 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
2061 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
2062 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2063 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
2064 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
2065 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2066 // Float and double probes don't return value because dtrace doesn't currently support it | |
2067 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
2068 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
2069 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2070 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
2071 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
2072 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2073 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
2074 | |
2075 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
2076 , EntryProbe, ReturnProbe) \ | |
2077 \ | |
2078 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
2079 , ReturnProbe);\ | |
2080 \ | |
2081 JNI_ENTRY(ResultType, \ | |
2082 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2083 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
2084 \ | |
2085 EntryProbe;\ | |
2086 ResultType ret;\ | |
2087 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2088 (const ResultType&)ret);\ | |
2089 \ | |
2090 JavaValue jvalue(Tag); \ | |
2091 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2092 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2093 ret = jvalue.get_##ResultType(); \ | |
2094 return ret;\ | |
2095 JNI_END | |
2096 | |
2097 // the runtime type of subword integral basic types is integer | |
2098 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
2099 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2100 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
2101 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
2102 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2103 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
2104 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
2105 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2106 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
2107 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
2108 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2109 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
2110 | |
2111 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
2112 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2113 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
2114 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
2115 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2116 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
2117 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
2118 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2119 // Float and double probes don't return value because dtrace doesn't currently support it | |
2120 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
2121 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
2122 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2123 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
2124 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
2125 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2126 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
2127 | |
2128 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
2129 , EntryProbe, ReturnProbe) \ | |
2130 \ | |
2131 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
2132 , ReturnProbe);\ | |
2133 \ | |
2134 JNI_ENTRY(ResultType, \ | |
2135 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2136 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2137 \ | |
2138 EntryProbe;\ | |
2139 ResultType ret;\ | |
2140 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2141 (const ResultType&)ret);\ | |
2142 \ | |
2143 JavaValue jvalue(Tag); \ | |
2144 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2145 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2146 ret = jvalue.get_##ResultType(); \ | |
2147 return ret;\ | |
2148 JNI_END | |
2149 | |
2150 // the runtime type of subword integral basic types is integer | |
2151 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
2152 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2153 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
2154 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
2155 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2156 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
2157 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
2158 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2159 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
2160 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
2161 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2162 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
2163 | |
2164 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
2165 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2166 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
2167 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
2168 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2169 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
2170 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
2171 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2172 // Float and double probes don't return value because dtrace doesn't currently support it | |
2173 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
2174 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
2175 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2176 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
2177 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
2178 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2179 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
2180 | |
2181 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
2182 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
2183 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
2184 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
2185 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
2186 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
2187 #endif /* USDT2 */ | |
2188 | |
0 | 2189 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
2190 JNIWrapper("CallNonvirtualVoidMethod"); | |
2191 | |
4006 | 2192 #ifndef USDT2 |
0 | 2193 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
2194 env, obj, cls, methodID); | |
4006 | 2195 #else /* USDT2 */ |
2196 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
2197 env, obj, cls, (uintptr_t) methodID); | |
2198 #endif /* USDT2 */ | |
0 | 2199 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
2200 | |
2201 va_list args; | |
2202 va_start(args, methodID); | |
2203 JavaValue jvalue(T_VOID); | |
2177
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2204 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2205 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2206 va_end(args); | |
2207 JNI_END | |
2208 | |
2209 | |
2210 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
2211 JNIWrapper("CallNonvirtualVoidMethodV"); | |
2212 | |
4006 | 2213 #ifndef USDT2 |
0 | 2214 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
2215 env, obj, cls, methodID); | |
4006 | 2216 #else /* USDT2 */ |
2217 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
2218 env, obj, cls, (uintptr_t) methodID); | |
2219 #endif /* USDT2 */ | |
0 | 2220 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
2221 | |
2222 JavaValue jvalue(T_VOID); | |
2177
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2223 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2224 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2225 JNI_END | |
2226 | |
2227 | |
2228 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
2229 JNIWrapper("CallNonvirtualVoidMethodA"); | |
4006 | 2230 #ifndef USDT2 |
0 | 2231 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
2232 env, obj, cls, methodID); | |
4006 | 2233 #else /* USDT2 */ |
2234 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
2235 env, obj, cls, (uintptr_t) methodID); | |
2236 #endif /* USDT2 */ | |
0 | 2237 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
2238 JavaValue jvalue(T_VOID); | |
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2239 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2240 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2241 JNI_END | |
2242 | |
2243 | |
4006 | 2244 #ifndef USDT2 |
0 | 2245 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
2246 \ | |
2247 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
2248 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
2249 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
2250 \ | |
2251 JNI_ENTRY(ResultType, \ | |
2252 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2253 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2254 \ | |
2255 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
2256 ResultType ret = 0;\ | |
2257 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2258 (const ResultType&)ret);\ | |
2259 \ | |
2260 va_list args; \ | |
2261 va_start(args, methodID); \ | |
2262 JavaValue jvalue(Tag); \ | |
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2263 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2264 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2265 va_end(args); \ | |
2266 ret = jvalue.get_##ResultType(); \ | |
2267 return ret;\ | |
2268 JNI_END \ | |
2269 \ | |
2270 JNI_ENTRY(ResultType, \ | |
2271 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2272 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2273 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
2274 ResultType ret = 0;\ | |
2275 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2276 (const ResultType&)ret);\ | |
2277 \ | |
2278 JavaValue jvalue(Tag); \ | |
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2279 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2280 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2281 ret = jvalue.get_##ResultType(); \ | |
2282 return ret;\ | |
2283 JNI_END \ | |
2284 \ | |
2285 JNI_ENTRY(ResultType, \ | |
2286 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2287 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2288 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
2289 ResultType ret = 0;\ | |
2290 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2291 (const ResultType&)ret);\ | |
2292 \ | |
2293 JavaValue jvalue(Tag); \ | |
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|
2294 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2295 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2296 ret = jvalue.get_##ResultType(); \ | |
2297 return ret;\ | |
2298 JNI_END | |
2299 | |
2300 // the runtime type of subword integral basic types is integer | |
2301 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2302 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
2303 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
2304 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
2305 | |
2306 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
2307 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
2308 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
2309 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
2310 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
2311 | |
2312 | |
2313 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
2314 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
2315 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
2316 | |
4006 | 2317 #else /* USDT2 */ |
2318 | |
2319 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
2320 , EntryProbe, ResultProbe) \ | |
2321 \ | |
2322 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
2323 , ResultProbe); \ | |
2324 \ | |
2325 JNI_ENTRY(ResultType, \ | |
2326 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2327 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2328 \ | |
2329 EntryProbe; \ | |
2330 ResultType ret = 0;\ | |
2331 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2332 (const ResultType&)ret);\ | |
2333 \ | |
2334 va_list args; \ | |
2335 va_start(args, methodID); \ | |
2336 JavaValue jvalue(Tag); \ | |
2337 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2338 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2339 va_end(args); \ | |
2340 ret = jvalue.get_##ResultType(); \ | |
2341 return ret;\ | |
2342 JNI_END | |
2343 | |
2344 // the runtime type of subword integral basic types is integer | |
2345 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
2346 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2347 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
2348 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
2349 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2350 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
2351 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
2352 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2353 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
2354 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
2355 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2356 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
2357 | |
2358 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
2359 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2360 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
2361 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
2362 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2363 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
2364 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
2365 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2366 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
2367 // Float and double probes don't return value because dtrace doesn't currently support it | |
2368 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
2369 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2370 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
2371 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
2372 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2373 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
2374 | |
2375 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
2376 , EntryProbe, ResultProbe) \ | |
2377 \ | |
2378 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
2379 , ResultProbe); \ | |
2380 \ | |
2381 JNI_ENTRY(ResultType, \ | |
2382 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2383 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2384 \ | |
2385 EntryProbe; \ | |
2386 ResultType ret = 0;\ | |
2387 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2388 (const ResultType&)ret);\ | |
2389 \ | |
2390 JavaValue jvalue(Tag); \ | |
2391 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2392 /* Make sure class is initialized before trying to invoke its method */ \ | |
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|
2393 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
6983 | 2394 k()->initialize(CHECK_0); \ |
4006 | 2395 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2396 va_end(args); \ | |
2397 ret = jvalue.get_##ResultType(); \ | |
2398 return ret;\ | |
2399 JNI_END | |
2400 | |
2401 // the runtime type of subword integral basic types is integer | |
2402 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
2403 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2404 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
2405 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
2406 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2407 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
2408 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
2409 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2410 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
2411 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
2412 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2413 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
2414 | |
2415 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
2416 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2417 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
2418 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
2419 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2420 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
2421 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
2422 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2423 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
2424 // Float and double probes don't return value because dtrace doesn't currently support it | |
2425 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
2426 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2427 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
2428 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
2429 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2430 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
2431 | |
2432 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
2433 , EntryProbe, ResultProbe) \ | |
2434 \ | |
2435 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
2436 , ResultProbe); \ | |
2437 \ | |
2438 JNI_ENTRY(ResultType, \ | |
2439 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2440 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2441 \ | |
2442 EntryProbe; \ | |
2443 ResultType ret = 0;\ | |
2444 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2445 (const ResultType&)ret);\ | |
2446 \ | |
2447 JavaValue jvalue(Tag); \ | |
2448 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2449 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2450 ret = jvalue.get_##ResultType(); \ | |
2451 return ret;\ | |
2452 JNI_END | |
2453 | |
2454 // the runtime type of subword integral basic types is integer | |
2455 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
2456 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2457 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
2458 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
2459 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2460 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
2461 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
2462 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2463 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
2464 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
2465 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2466 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
2467 | |
2468 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
2469 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2470 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
2471 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
2472 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2473 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
2474 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
2475 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2476 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
2477 // Float and double probes don't return value because dtrace doesn't currently support it | |
2478 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
2479 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2480 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
2481 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
2482 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2483 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
2484 | |
2485 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
2486 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
2487 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
2488 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
2489 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
2490 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
2491 #endif /* USDT2 */ | |
2492 | |
0 | 2493 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
2494 JNIWrapper("CallStaticVoidMethod"); | |
4006 | 2495 #ifndef USDT2 |
0 | 2496 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
4006 | 2497 #else /* USDT2 */ |
2498 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
2499 env, cls, (uintptr_t) methodID); | |
2500 #endif /* USDT2 */ | |
0 | 2501 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
2502 | |
2503 va_list args; | |
2504 va_start(args, methodID); | |
2505 JavaValue jvalue(T_VOID); | |
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2506 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2507 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2508 va_end(args); | |
2509 JNI_END | |
2510 | |
2511 | |
2512 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
2513 JNIWrapper("CallStaticVoidMethodV"); | |
4006 | 2514 #ifndef USDT2 |
0 | 2515 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
4006 | 2516 #else /* USDT2 */ |
2517 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
2518 env, cls, (uintptr_t) methodID); | |
2519 #endif /* USDT2 */ | |
0 | 2520 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
2521 | |
2522 JavaValue jvalue(T_VOID); | |
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2523 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2524 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2525 JNI_END | |
2526 | |
2527 | |
2528 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
2529 JNIWrapper("CallStaticVoidMethodA"); | |
4006 | 2530 #ifndef USDT2 |
0 | 2531 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
4006 | 2532 #else /* USDT2 */ |
2533 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
2534 env, cls, (uintptr_t) methodID); | |
2535 #endif /* USDT2 */ | |
0 | 2536 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
2537 | |
2538 JavaValue jvalue(T_VOID); | |
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2539 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2540 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2541 JNI_END | |
2542 | |
2543 | |
2544 // | |
2545 // Accessing Fields | |
2546 // | |
2547 | |
2548 | |
4006 | 2549 #ifndef USDT2 |
0 | 2550 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
4006 | 2551 #else /* USDT2 */ |
2552 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
2553 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2554 #endif /* USDT2 */ | |
0 | 2555 |
2556 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
2557 const char *name, const char *sig)) | |
2558 JNIWrapper("GetFieldID"); | |
4006 | 2559 #ifndef USDT2 |
0 | 2560 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
4006 | 2561 #else /* USDT2 */ |
2562 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
2563 env, clazz, (char *) name, (char *) sig); | |
2564 #endif /* USDT2 */ | |
0 | 2565 jfieldID ret = 0; |
2566 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
2567 | |
2568 // The class should have been loaded (we have an instance of the class | |
2569 // passed in) so the field and signature should already be in the symbol | |
2570 // table. If they're not there, the field doesn't exist. | |
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2571 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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2572 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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2573 if (fieldname == NULL || signame == NULL) { |
0 | 2574 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2575 } | |
2576 KlassHandle k(THREAD, | |
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2577 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2578 // Make sure class is initialized before handing id's out to fields |
6983 | 2579 k()->initialize(CHECK_NULL); |
0 | 2580 |
2581 fieldDescriptor fd; | |
6983 | 2582 if (!k()->oop_is_instance() || |
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2583 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
0 | 2584 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2585 } | |
2586 | |
2587 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
2588 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
2589 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
2590 return ret; | |
2591 JNI_END | |
2592 | |
2593 | |
2594 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
2595 JNIWrapper("GetObjectField"); | |
4006 | 2596 #ifndef USDT2 |
0 | 2597 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
4006 | 2598 #else /* USDT2 */ |
2599 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
2600 env, obj, (uintptr_t) fieldID); | |
2601 #endif /* USDT2 */ | |
0 | 2602 oop o = JNIHandles::resolve_non_null(obj); |
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2603 Klass* k = o->klass(); |
0 | 2604 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2605 // Keep JVMTI addition small and only check enabled flag here. | |
2606 // jni_GetField_probe() assumes that is okay to create handles. | |
2607 if (JvmtiExport::should_post_field_access()) { | |
2608 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
2609 } | |
2610 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
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2611 #if INCLUDE_ALL_GCS |
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2612 // If G1 is enabled and we are accessing the value of the referent |
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2613 // field in a reference object then we need to register a non-null |
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2614 // referent with the SATB barrier. |
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2615 if (UseG1GC) { |
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2616 bool needs_barrier = false; |
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2617 |
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|
2618 if (ret != NULL && |
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2619 offset == java_lang_ref_Reference::referent_offset && |
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2620 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
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2621 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
3249
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2622 needs_barrier = true; |
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diff
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|
2623 } |
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
2624 |
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|
2625 if (needs_barrier) { |
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|
2626 oop referent = JNIHandles::resolve(ret); |
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|
2627 G1SATBCardTableModRefBS::enqueue(referent); |
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|
2628 } |
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|
2629 } |
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|
2630 #endif // INCLUDE_ALL_GCS |
4006 | 2631 #ifndef USDT2 |
0 | 2632 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
4006 | 2633 #else /* USDT2 */ |
2634 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
2635 ret); | |
2636 #endif /* USDT2 */ | |
0 | 2637 return ret; |
2638 JNI_END | |
2639 | |
2640 | |
4006 | 2641 #ifndef USDT2 |
0 | 2642 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
2643 \ | |
2644 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
2645 \ | |
2646 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2647 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2648 \ | |
2649 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
2650 Return ret = 0;\ | |
2651 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2652 \ | |
2653 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2654 Klass* k = o->klass(); \ |
0 | 2655 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2656 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2657 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2658 /* and creates a ResetNoHandleMark. */ \ | |
2659 if (JvmtiExport::should_post_field_access()) { \ | |
2660 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2661 } \ | |
2662 ret = o->Fieldname##_field(offset); \ | |
2663 return ret; \ | |
2664 JNI_END | |
2665 | |
2666 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
2667 DEFINE_GETFIELD(jbyte, byte, Byte) | |
2668 DEFINE_GETFIELD(jchar, char, Char) | |
2669 DEFINE_GETFIELD(jshort, short, Short) | |
2670 DEFINE_GETFIELD(jint, int, Int) | |
2671 DEFINE_GETFIELD(jlong, long, Long) | |
2672 DEFINE_GETFIELD(jfloat, float, Float) | |
2673 DEFINE_GETFIELD(jdouble, double, Double) | |
2674 | |
4006 | 2675 #else /* USDT2 */ |
2676 | |
2677 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
2678 , EntryProbe, ReturnProbe) \ | |
2679 \ | |
2680 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
2681 , ReturnProbe); \ | |
2682 \ | |
2683 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2684 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2685 \ | |
2686 EntryProbe; \ | |
2687 Return ret = 0;\ | |
2688 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2689 \ | |
2690 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2691 Klass* k = o->klass(); \ |
4006 | 2692 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2693 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2694 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2695 /* and creates a ResetNoHandleMark. */ \ | |
2696 if (JvmtiExport::should_post_field_access()) { \ | |
2697 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2698 } \ | |
2699 ret = o->Fieldname##_field(offset); \ | |
2700 return ret; \ | |
2701 JNI_END | |
2702 | |
2703 DEFINE_GETFIELD(jboolean, bool, Boolean | |
2704 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2705 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
2706 DEFINE_GETFIELD(jbyte, byte, Byte | |
2707 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2708 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
2709 DEFINE_GETFIELD(jchar, char, Char | |
2710 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2711 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
2712 DEFINE_GETFIELD(jshort, short, Short | |
2713 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2714 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
2715 DEFINE_GETFIELD(jint, int, Int | |
2716 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2717 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
2718 DEFINE_GETFIELD(jlong, long, Long | |
2719 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2720 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
2721 // Float and double probes don't return value because dtrace doesn't currently support it | |
2722 DEFINE_GETFIELD(jfloat, float, Float | |
2723 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2724 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
2725 DEFINE_GETFIELD(jdouble, double, Double | |
2726 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2727 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
2728 #endif /* USDT2 */ | |
2729 | |
0 | 2730 address jni_GetBooleanField_addr() { |
2731 return (address)jni_GetBooleanField; | |
2732 } | |
2733 address jni_GetByteField_addr() { | |
2734 return (address)jni_GetByteField; | |
2735 } | |
2736 address jni_GetCharField_addr() { | |
2737 return (address)jni_GetCharField; | |
2738 } | |
2739 address jni_GetShortField_addr() { | |
2740 return (address)jni_GetShortField; | |
2741 } | |
2742 address jni_GetIntField_addr() { | |
2743 return (address)jni_GetIntField; | |
2744 } | |
2745 address jni_GetLongField_addr() { | |
2746 return (address)jni_GetLongField; | |
2747 } | |
2748 address jni_GetFloatField_addr() { | |
2749 return (address)jni_GetFloatField; | |
2750 } | |
2751 address jni_GetDoubleField_addr() { | |
2752 return (address)jni_GetDoubleField; | |
2753 } | |
2754 | |
2755 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
2756 JNIWrapper("SetObjectField"); | |
4006 | 2757 #ifndef USDT2 |
0 | 2758 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
4006 | 2759 #else /* USDT2 */ |
2760 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
2761 env, obj, (uintptr_t) fieldID, value); | |
2762 #endif /* USDT2 */ | |
0 | 2763 oop o = JNIHandles::resolve_non_null(obj); |
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2764 Klass* k = o->klass(); |
0 | 2765 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2766 // Keep JVMTI addition small and only check enabled flag here. | |
2767 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
2768 // and creates a ResetNoHandleMark. | |
2769 if (JvmtiExport::should_post_field_modification()) { | |
2770 jvalue field_value; | |
2771 field_value.l = value; | |
2772 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
2773 } | |
2774 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
4006 | 2775 #ifndef USDT2 |
0 | 2776 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
4006 | 2777 #else /* USDT2 */ |
2778 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
2779 ); | |
2780 #endif /* USDT2 */ | |
0 | 2781 JNI_END |
2782 | |
4006 | 2783 #ifndef USDT2 |
0 | 2784 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
2785 \ | |
2786 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2787 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2788 \ | |
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2789 FP_SELECT_##Result( \ |
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2790 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
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2791 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
0 | 2792 \ |
2793 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2794 Klass* k = o->klass(); \ |
0 | 2795 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2796 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2797 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2798 /* and creates a ResetNoHandleMark. */ \ | |
2799 if (JvmtiExport::should_post_field_modification()) { \ | |
2800 jvalue field_value; \ | |
2801 field_value.unionType = value; \ | |
2802 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2803 } \ | |
2804 o->Fieldname##_field_put(offset, value); \ | |
2805 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
2806 JNI_END | |
2807 | |
2808 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
2809 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
2810 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
2811 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
2812 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
2813 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
2814 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
2815 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
2816 | |
4006 | 2817 #else /* USDT2 */ |
2818 | |
2819 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
2820 , EntryProbe, ReturnProbe) \ | |
2821 \ | |
2822 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2823 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2824 \ | |
2825 EntryProbe; \ | |
2826 \ | |
2827 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2828 Klass* k = o->klass(); \ |
4006 | 2829 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2830 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2831 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2832 /* and creates a ResetNoHandleMark. */ \ | |
2833 if (JvmtiExport::should_post_field_modification()) { \ | |
2834 jvalue field_value; \ | |
2835 field_value.unionType = value; \ | |
2836 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2837 } \ | |
2838 o->Fieldname##_field_put(offset, value); \ | |
2839 ReturnProbe; \ | |
2840 JNI_END | |
2841 | |
2842 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
2843 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2844 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
2845 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
2846 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2847 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
2848 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
2849 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2850 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
2851 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
2852 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2853 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
2854 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
2855 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2856 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
2857 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
2858 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2859 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
2860 // Float and double probes don't return value because dtrace doesn't currently support it | |
2861 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
2862 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2863 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
2864 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
2865 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2866 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
2867 #endif /* USDT2 */ | |
2868 | |
2869 #ifndef USDT2 | |
0 | 2870 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
4006 | 2871 #else /* USDT2 */ |
2872 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
2873 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
2874 #endif /* USDT2 */ | |
0 | 2875 |
2876 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
2877 JNIWrapper("ToReflectedField"); | |
4006 | 2878 #ifndef USDT2 |
0 | 2879 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
2880 env, cls, fieldID, isStatic); | |
4006 | 2881 #else /* USDT2 */ |
2882 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
2883 env, cls, (uintptr_t) fieldID, isStatic); | |
2884 #endif /* USDT2 */ | |
0 | 2885 jobject ret = NULL; |
2886 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
2887 | |
2888 fieldDescriptor fd; | |
2889 bool found = false; | |
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2890 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
0 | 2891 |
2892 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
2893 | |
2894 if (isStatic) { | |
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2895 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
0 | 2896 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2897 assert(id->is_static_field_id(), "invalid static field id"); | |
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2898 found = id->find_local_field(&fd); |
0 | 2899 } else { |
2900 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
2901 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
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2902 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
0 | 2903 } |
2904 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
2905 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
2906 ret = JNIHandles::make_local(env, reflected); | |
2907 return ret; | |
2908 JNI_END | |
2909 | |
2910 | |
2911 // | |
2912 // Accessing Static Fields | |
2913 // | |
4006 | 2914 #ifndef USDT2 |
0 | 2915 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
4006 | 2916 #else /* USDT2 */ |
2917 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
2918 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2919 #endif /* USDT2 */ | |
0 | 2920 |
2921 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
2922 const char *name, const char *sig)) | |
2923 JNIWrapper("GetStaticFieldID"); | |
4006 | 2924 #ifndef USDT2 |
0 | 2925 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
4006 | 2926 #else /* USDT2 */ |
2927 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
2928 env, clazz, (char *) name, (char *) sig); | |
2929 #endif /* USDT2 */ | |
0 | 2930 jfieldID ret = NULL; |
2931 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
2932 | |
2933 // The class should have been loaded (we have an instance of the class | |
2934 // passed in) so the field and signature should already be in the symbol | |
2935 // table. If they're not there, the field doesn't exist. | |
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diff
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|
2936 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
3582bf76420e
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|
2937 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
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|
2938 if (fieldname == NULL || signame == NULL) { |
0 | 2939 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2940 } | |
2941 KlassHandle k(THREAD, | |
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2942 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2943 // Make sure class is initialized before handing id's out to static fields |
6983 | 2944 k()->initialize(CHECK_NULL); |
0 | 2945 |
2946 fieldDescriptor fd; | |
6983 | 2947 if (!k()->oop_is_instance() || |
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2948 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
0 | 2949 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2950 } | |
2951 | |
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2952 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
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6856
diff
changeset
|
2953 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
0 | 2954 debug_only(id->set_is_static_field_id();) |
2955 | |
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|
2956 debug_only(id->verify(fd.field_holder())); |
0 | 2957 |
2958 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
2959 return ret; | |
2960 JNI_END | |
2961 | |
2962 | |
2963 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
2964 JNIWrapper("GetStaticObjectField"); | |
4006 | 2965 #ifndef USDT2 |
0 | 2966 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
4006 | 2967 #else /* USDT2 */ |
2968 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
2969 env, clazz, (uintptr_t) fieldID); | |
2970 #endif /* USDT2 */ | |
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fb19af007ffc
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jprovino
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|
2971 #if INCLUDE_JNI_CHECK |
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2972 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
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|
2973 #endif // INCLUDE_JNI_CHECK |
0 | 2974 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2975 assert(id->is_static_field_id(), "invalid static field id"); | |
2976 // Keep JVMTI addition small and only check enabled flag here. | |
2977 // jni_GetField_probe() assumes that is okay to create handles. | |
2978 if (JvmtiExport::should_post_field_access()) { | |
2979 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
2980 } | |
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|
2981 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
4006 | 2982 #ifndef USDT2 |
0 | 2983 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
4006 | 2984 #else /* USDT2 */ |
2985 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
2986 ret); | |
2987 #endif /* USDT2 */ | |
0 | 2988 return ret; |
2989 JNI_END | |
2990 | |
4006 | 2991 #ifndef USDT2 |
0 | 2992 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
2993 \ | |
2994 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
2995 \ | |
2996 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
2997 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
2998 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
2999 Return ret = 0;\ | |
3000 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3001 (const Return&)ret);\ | |
3002 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3003 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3004 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3005 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3006 if (JvmtiExport::should_post_field_access()) { \ | |
3007 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3008 } \ | |
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|
3009 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
0 | 3010 return ret;\ |
3011 JNI_END | |
3012 | |
3013 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
3014 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
3015 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
3016 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
3017 DEFINE_GETSTATICFIELD(jint, int, Int) | |
3018 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
3019 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
3020 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
3021 | |
4006 | 3022 #else /* USDT2 */ |
3023 | |
3024 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
3025 , EntryProbe, ReturnProbe) \ | |
3026 \ | |
3027 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
3028 , ReturnProbe); \ | |
3029 \ | |
3030 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3031 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3032 EntryProbe; \ | |
3033 Return ret = 0;\ | |
3034 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3035 (const Return&)ret);\ | |
3036 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3037 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3038 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3039 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3040 if (JvmtiExport::should_post_field_access()) { \ | |
3041 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3042 } \ | |
3043 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
3044 return ret;\ | |
3045 JNI_END | |
3046 | |
3047 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
3048 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
3049 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
3050 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
3051 DEFINE_GETSTATICFIELD(jchar, char, Char | |
3052 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
3053 DEFINE_GETSTATICFIELD(jshort, short, Short | |
3054 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
3055 DEFINE_GETSTATICFIELD(jint, int, Int | |
3056 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
3057 DEFINE_GETSTATICFIELD(jlong, long, Long | |
3058 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
3059 // Float and double probes don't return value because dtrace doesn't currently support it | |
3060 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
3061 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
3062 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
3063 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
3064 #endif /* USDT2 */ | |
0 | 3065 |
3066 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
3067 JNIWrapper("SetStaticObjectField"); | |
4006 | 3068 #ifndef USDT2 |
0 | 3069 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
4006 | 3070 #else /* USDT2 */ |
3071 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
3072 env, clazz, (uintptr_t) fieldID, value); | |
3073 #endif /* USDT2 */ | |
0 | 3074 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
3075 assert(id->is_static_field_id(), "invalid static field id"); | |
3076 // Keep JVMTI addition small and only check enabled flag here. | |
3077 // jni_SetField_probe() assumes that is okay to create handles. | |
3078 if (JvmtiExport::should_post_field_modification()) { | |
3079 jvalue field_value; | |
3080 field_value.l = value; | |
3081 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
3082 } | |
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|
3083 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
4006 | 3084 #ifndef USDT2 |
0 | 3085 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
4006 | 3086 #else /* USDT2 */ |
3087 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
3088 ); | |
3089 #endif /* USDT2 */ | |
0 | 3090 JNI_END |
3091 | |
3092 | |
4006 | 3093 #ifndef USDT2 |
0 | 3094 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
3095 \ | |
3096 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3097 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
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3098 FP_SELECT_##Result( \ |
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|
3099 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
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3100 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
0 | 3101 \ |
3102 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3103 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3104 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3105 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3106 if (JvmtiExport::should_post_field_modification()) { \ | |
3107 jvalue field_value; \ | |
3108 field_value.unionType = value; \ | |
3109 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3110 } \ | |
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|
3111 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
0 | 3112 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
3113 JNI_END | |
3114 | |
3115 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
3116 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
3117 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
3118 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
3119 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
3120 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
3121 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
3122 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
3123 | |
4006 | 3124 #else /* USDT2 */ |
3125 | |
3126 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
3127 , EntryProbe, ReturnProbe) \ | |
3128 \ | |
3129 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3130 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3131 EntryProbe; \ | |
3132 \ | |
3133 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3134 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3135 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3136 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3137 if (JvmtiExport::should_post_field_modification()) { \ | |
3138 jvalue field_value; \ | |
3139 field_value.unionType = value; \ | |
3140 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3141 } \ | |
3142 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
3143 ReturnProbe;\ | |
3144 JNI_END | |
3145 | |
3146 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
3147 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
3148 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
3149 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
3150 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3151 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
3152 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
3153 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3154 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
3155 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
3156 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3157 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
3158 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
3159 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3160 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
3161 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
3162 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3163 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
3164 // Float and double probes don't return value because dtrace doesn't currently support it | |
3165 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
3166 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3167 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
3168 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
3169 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3170 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
3171 #endif /* USDT2 */ | |
0 | 3172 |
3173 // | |
3174 // String Operations | |
3175 // | |
3176 | |
3177 // Unicode Interface | |
3178 | |
4006 | 3179 #ifndef USDT2 |
0 | 3180 DT_RETURN_MARK_DECL(NewString, jstring); |
4006 | 3181 #else /* USDT2 */ |
3182 DT_RETURN_MARK_DECL(NewString, jstring | |
3183 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
3184 #endif /* USDT2 */ | |
0 | 3185 |
3186 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
3187 JNIWrapper("NewString"); | |
4006 | 3188 #ifndef USDT2 |
0 | 3189 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
4006 | 3190 #else /* USDT2 */ |
3191 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
3192 env, (uint16_t *) unicodeChars, len); | |
3193 #endif /* USDT2 */ | |
0 | 3194 jstring ret = NULL; |
3195 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
3196 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
3197 ret = (jstring) JNIHandles::make_local(env, string); | |
3198 return ret; | |
3199 JNI_END | |
3200 | |
3201 | |
3202 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
3203 JNIWrapper("GetStringLength"); | |
4006 | 3204 #ifndef USDT2 |
0 | 3205 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
4006 | 3206 #else /* USDT2 */ |
3207 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
3208 env, string); | |
3209 #endif /* USDT2 */ | |
12819
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3210 jsize ret = 0; |
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3211 oop s = JNIHandles::resolve_non_null(string); |
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3212 if (java_lang_String::value(s) != NULL) { |
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3213 ret = java_lang_String::length(s); |
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|
3214 } |
4006 | 3215 #ifndef USDT2 |
0 | 3216 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
4006 | 3217 #else /* USDT2 */ |
3218 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
3219 ret); | |
3220 #endif /* USDT2 */ | |
0 | 3221 return ret; |
3222 JNI_END | |
3223 | |
3224 | |
3225 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
3226 JNIEnv *env, jstring string, jboolean *isCopy)) | |
3227 JNIWrapper("GetStringChars"); | |
4006 | 3228 #ifndef USDT2 |
0 | 3229 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
4006 | 3230 #else /* USDT2 */ |
3231 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
3232 env, string, (uintptr_t *) isCopy); | |
3233 #endif /* USDT2 */ | |
12819
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3234 jchar* buf = NULL; |
0 | 3235 oop s = JNIHandles::resolve_non_null(string); |
3236 typeArrayOop s_value = java_lang_String::value(s); | |
12819
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3237 if (s_value != NULL) { |
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3238 int s_len = java_lang_String::length(s); |
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|
3239 int s_offset = java_lang_String::offset(s); |
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|
3240 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
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|
3241 /* JNI Specification states return NULL on OOM */ |
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|
3242 if (buf != NULL) { |
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|
3243 if (s_len > 0) { |
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|
3244 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
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|
3245 } |
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changeset
|
3246 buf[s_len] = 0; |
f9be370a7d54
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|
3247 //%note jni_5 |
f9be370a7d54
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|
3248 if (isCopy != NULL) { |
f9be370a7d54
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|
3249 *isCopy = JNI_TRUE; |
f9be370a7d54
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|
3250 } |
12109
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|
3251 } |
0 | 3252 } |
4006 | 3253 #ifndef USDT2 |
0 | 3254 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
4006 | 3255 #else /* USDT2 */ |
3256 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
3257 buf); | |
3258 #endif /* USDT2 */ | |
0 | 3259 return buf; |
3260 JNI_END | |
3261 | |
3262 | |
3263 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
3264 JNIWrapper("ReleaseStringChars"); | |
4006 | 3265 #ifndef USDT2 |
0 | 3266 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
4006 | 3267 #else /* USDT2 */ |
3268 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
3269 env, str, (uint16_t *) chars); | |
3270 #endif /* USDT2 */ | |
0 | 3271 //%note jni_6 |
3272 if (chars != NULL) { | |
3273 // Since String objects are supposed to be immutable, don't copy any | |
3274 // new data back. A bad user will have to go after the char array. | |
3275 FreeHeap((void*) chars); | |
3276 } | |
4006 | 3277 #ifndef USDT2 |
0 | 3278 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
4006 | 3279 #else /* USDT2 */ |
3280 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
3281 ); | |
3282 #endif /* USDT2 */ | |
0 | 3283 JNI_END |
3284 | |
3285 | |
3286 // UTF Interface | |
3287 | |
4006 | 3288 #ifndef USDT2 |
0 | 3289 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
4006 | 3290 #else /* USDT2 */ |
3291 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
3292 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
3293 #endif /* USDT2 */ | |
0 | 3294 |
3295 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
3296 JNIWrapper("NewStringUTF"); | |
4006 | 3297 #ifndef USDT2 |
0 | 3298 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
4006 | 3299 #else /* USDT2 */ |
3300 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
3301 env, (char *) bytes); | |
3302 #endif /* USDT2 */ | |
0 | 3303 jstring ret; |
3304 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
3305 | |
3306 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
3307 ret = (jstring) JNIHandles::make_local(env, result); | |
3308 return ret; | |
3309 JNI_END | |
3310 | |
3311 | |
3312 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
3313 JNIWrapper("GetStringUTFLength"); | |
4006 | 3314 #ifndef USDT2 |
0 | 3315 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
4006 | 3316 #else /* USDT2 */ |
3317 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
3318 env, string); | |
3319 #endif /* USDT2 */ | |
12819
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3320 jsize ret = 0; |
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3321 oop java_string = JNIHandles::resolve_non_null(string); |
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3322 if (java_lang_String::value(java_string) != NULL) { |
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3323 ret = java_lang_String::utf8_length(java_string); |
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|
3324 } |
4006 | 3325 #ifndef USDT2 |
0 | 3326 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
4006 | 3327 #else /* USDT2 */ |
3328 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
3329 ret); | |
3330 #endif /* USDT2 */ | |
0 | 3331 return ret; |
3332 JNI_END | |
3333 | |
3334 | |
3335 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
3336 JNIWrapper("GetStringUTFChars"); | |
4006 | 3337 #ifndef USDT2 |
0 | 3338 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
4006 | 3339 #else /* USDT2 */ |
3340 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
3341 env, string, (uintptr_t *) isCopy); | |
3342 #endif /* USDT2 */ | |
12819
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3343 char* result = NULL; |
1989
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|
3344 oop java_string = JNIHandles::resolve_non_null(string); |
12819
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3345 if (java_lang_String::value(java_string) != NULL) { |
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3346 size_t length = java_lang_String::utf8_length(java_string); |
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3347 /* JNI Specification states return NULL on OOM */ |
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|
3348 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
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3349 if (result != NULL) { |
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|
3350 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
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3351 if (isCopy != NULL) { |
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3352 *isCopy = JNI_TRUE; |
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3353 } |
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3354 } |
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|
3355 } |
4006 | 3356 #ifndef USDT2 |
0 | 3357 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
4006 | 3358 #else /* USDT2 */ |
3359 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
3360 result); | |
3361 #endif /* USDT2 */ | |
0 | 3362 return result; |
3363 JNI_END | |
3364 | |
3365 | |
3366 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
3367 JNIWrapper("ReleaseStringUTFChars"); | |
4006 | 3368 #ifndef USDT2 |
0 | 3369 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
4006 | 3370 #else /* USDT2 */ |
3371 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
3372 env, str, (char *) chars); | |
3373 #endif /* USDT2 */ | |
0 | 3374 if (chars != NULL) { |
3375 FreeHeap((char*) chars); | |
3376 } | |
4006 | 3377 #ifndef USDT2 |
0 | 3378 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
4006 | 3379 #else /* USDT2 */ |
3380 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
3381 ); | |
3382 #endif /* USDT2 */ | |
0 | 3383 JNI_END |
3384 | |
3385 | |
3386 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
3387 JNIWrapper("GetArrayLength"); | |
4006 | 3388 #ifndef USDT2 |
0 | 3389 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
4006 | 3390 #else /* USDT2 */ |
3391 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
3392 env, array); | |
3393 #endif /* USDT2 */ | |
0 | 3394 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
3395 assert(a->is_array(), "must be array"); | |
3396 jsize ret = a->length(); | |
4006 | 3397 #ifndef USDT2 |
0 | 3398 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
4006 | 3399 #else /* USDT2 */ |
3400 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
3401 ret); | |
3402 #endif /* USDT2 */ | |
0 | 3403 return ret; |
3404 JNI_END | |
3405 | |
3406 | |
3407 // | |
3408 // Object Array Operations | |
3409 // | |
3410 | |
4006 | 3411 #ifndef USDT2 |
0 | 3412 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
4006 | 3413 #else /* USDT2 */ |
3414 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
3415 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
3416 #endif /* USDT2 */ | |
0 | 3417 |
3418 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
3419 JNIWrapper("NewObjectArray"); | |
4006 | 3420 #ifndef USDT2 |
0 | 3421 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
4006 | 3422 #else /* USDT2 */ |
3423 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
3424 env, length, elementClass, initialElement); | |
3425 #endif /* USDT2 */ | |
0 | 3426 jobjectArray ret = NULL; |
3427 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
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3428 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
6983 | 3429 Klass* ako = ek()->array_klass(CHECK_NULL); |
0 | 3430 KlassHandle ak = KlassHandle(THREAD, ako); |
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8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
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diff
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|
3431 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
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3432 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
0 | 3433 oop initial_value = JNIHandles::resolve(initialElement); |
3434 if (initial_value != NULL) { // array already initialized with NULL | |
3435 for (int index = 0; index < length; index++) { | |
3436 result->obj_at_put(index, initial_value); | |
3437 } | |
3438 } | |
3439 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
3440 return ret; | |
3441 JNI_END | |
3442 | |
4006 | 3443 #ifndef USDT2 |
0 | 3444 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
4006 | 3445 #else /* USDT2 */ |
3446 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
3447 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
3448 #endif /* USDT2 */ | |
0 | 3449 |
3450 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
3451 JNIWrapper("GetObjectArrayElement"); | |
4006 | 3452 #ifndef USDT2 |
0 | 3453 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
4006 | 3454 #else /* USDT2 */ |
3455 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
3456 env, array, index); | |
3457 #endif /* USDT2 */ | |
0 | 3458 jobject ret = NULL; |
3459 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
3460 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3461 if (a->is_within_bounds(index)) { | |
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diff
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3462 ret = JNIHandles::make_local(env, a->obj_at(index)); |
0 | 3463 return ret; |
3464 } else { | |
3465 char buf[jintAsStringSize]; | |
3466 sprintf(buf, "%d", index); | |
3467 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3468 } | |
3469 JNI_END | |
3470 | |
4006 | 3471 #ifndef USDT2 |
0 | 3472 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
4006 | 3473 #else /* USDT2 */ |
3474 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
3475 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
3476 #endif /* USDT2 */ | |
0 | 3477 |
3478 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
3479 JNIWrapper("SetObjectArrayElement"); | |
4006 | 3480 #ifndef USDT2 |
0 | 3481 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
4006 | 3482 #else /* USDT2 */ |
3483 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
3484 env, array, index, value); | |
3485 #endif /* USDT2 */ | |
0 | 3486 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
3487 | |
3488 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3489 oop v = JNIHandles::resolve(value); | |
3490 if (a->is_within_bounds(index)) { | |
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|
3491 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
0 | 3492 a->obj_at_put(index, v); |
3493 } else { | |
3494 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
3495 } | |
3496 } else { | |
3497 char buf[jintAsStringSize]; | |
3498 sprintf(buf, "%d", index); | |
3499 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3500 } | |
3501 JNI_END | |
3502 | |
3503 | |
4006 | 3504 #ifndef USDT2 |
0 | 3505 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
3506 \ | |
4006 | 3507 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
0 | 3508 \ |
3509 JNI_ENTRY(Return, \ | |
3510 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3511 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3512 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
3513 Return ret = NULL;\ | |
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diff
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|
3514 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
0 | 3515 \ |
3516 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3517 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3518 return ret;\ | |
3519 JNI_END | |
3520 | |
3521 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
3522 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
3523 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
3524 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
3525 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
3526 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
3527 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
3528 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
3529 | |
4006 | 3530 #else /* USDT2 */ |
3531 | |
3532 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
3533 ,EntryProbe,ReturnProbe) \ | |
3534 \ | |
3535 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
3536 , ReturnProbe); \ | |
3537 \ | |
3538 JNI_ENTRY(Return, \ | |
3539 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3540 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3541 EntryProbe; \ | |
3542 Return ret = NULL;\ | |
3543 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
3544 \ | |
3545 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3546 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3547 return ret;\ | |
3548 JNI_END | |
3549 | |
3550 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
3551 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
3552 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
3553 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
3554 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
3555 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
3556 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
3557 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
3558 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
3559 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
3560 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
3561 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
3562 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
3563 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
3564 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
3565 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
3566 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
3567 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
3568 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
3569 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
3570 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
3571 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
3572 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
3573 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
3574 #endif /* USDT2 */ | |
0 | 3575 |
3576 // Return an address which will fault if the caller writes to it. | |
3577 | |
3578 static char* get_bad_address() { | |
3579 static char* bad_address = NULL; | |
3580 if (bad_address == NULL) { | |
3581 size_t size = os::vm_allocation_granularity(); | |
3582 bad_address = os::reserve_memory(size); | |
3583 if (bad_address != NULL) { | |
477
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
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diff
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|
3584 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
24fda36852ce
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|
3585 /*is_committed*/false); |
20360 | 3586 MemTracker::record_virtual_memory_type((void*)bad_address, mtInternal); |
0 | 3587 } |
3588 } | |
3589 return bad_address; | |
3590 } | |
3591 | |
3592 | |
4006 | 3593 #ifndef USDT2 |
0 | 3594 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
3595 \ | |
3596 JNI_QUICK_ENTRY(ElementType*, \ | |
3597 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3598 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3599 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
3600 /* allocate an chunk of memory in c land */ \ | |
3601 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3602 ElementType* result; \ | |
3603 int len = a->length(); \ | |
3604 if (len == 0) { \ | |
3605 /* Empty array: legal but useless, can't return NULL. \ | |
3606 * Return a pointer to something useless. \ | |
3607 * Avoid asserts in typeArrayOop. */ \ | |
3608 result = (ElementType*)get_bad_address(); \ | |
3609 } else { \ | |
12109
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diff
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|
3610 /* JNI Specification states return NULL on OOM */ \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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parents:
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diff
changeset
|
3611 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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parents:
11092
diff
changeset
|
3612 if (result != NULL) { \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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diff
changeset
|
3613 /* copy the array to the c chunk */ \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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parents:
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diff
changeset
|
3614 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3615 if (isCopy) { \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
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11092
diff
changeset
|
3616 *isCopy = JNI_TRUE; \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
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diff
changeset
|
3617 } \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
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11092
diff
changeset
|
3618 } \ |
0 | 3619 } \ |
3620 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
3621 return result; \ | |
3622 JNI_END | |
3623 | |
3624 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3625 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3626 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3627 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3628 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3629 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3630 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3631 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3632 | |
4006 | 3633 #else /* USDT2 */ |
3634 | |
3635 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
3636 , EntryProbe, ReturnProbe) \ | |
3637 \ | |
3638 JNI_QUICK_ENTRY(ElementType*, \ | |
3639 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3640 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3641 EntryProbe; \ | |
3642 /* allocate an chunk of memory in c land */ \ | |
3643 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3644 ElementType* result; \ | |
3645 int len = a->length(); \ | |
3646 if (len == 0) { \ | |
3647 /* Empty array: legal but useless, can't return NULL. \ | |
3648 * Return a pointer to something useless. \ | |
3649 * Avoid asserts in typeArrayOop. */ \ | |
3650 result = (ElementType*)get_bad_address(); \ | |
3651 } else { \ | |
12109
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8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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|
3652 /* JNI Specification states return NULL on OOM */ \ |
faf2631b9334
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parents:
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diff
changeset
|
3653 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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parents:
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diff
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|
3654 if (result != NULL) { \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3655 /* copy the array to the c chunk */ \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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parents:
11092
diff
changeset
|
3656 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
faf2631b9334
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dsimms
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diff
changeset
|
3657 if (isCopy) { \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
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|
3658 *isCopy = JNI_TRUE; \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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diff
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|
3659 } \ |
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|
3660 } \ |
4006 | 3661 } \ |
3662 ReturnProbe; \ | |
3663 return result; \ | |
3664 JNI_END | |
3665 | |
3666 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3667 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3668 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
3669 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3670 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3671 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
3672 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3673 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3674 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
3675 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3676 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3677 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
3678 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3679 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3680 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
3681 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3682 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3683 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
3684 // Float and double probes don't return value because dtrace doesn't currently support it | |
3685 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3686 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3687 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
3688 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3689 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3690 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
3691 #endif /* USDT2 */ | |
3692 | |
3693 #ifndef USDT2 | |
0 | 3694 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
3695 \ | |
3696 JNI_QUICK_ENTRY(void, \ | |
3697 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3698 ElementType *buf, jint mode)) \ | |
3699 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3700 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
3701 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3702 int len = a->length(); \ | |
3703 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3704 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3705 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3706 } \ | |
3707 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3708 FreeHeap(buf); \ | |
3709 } \ | |
3710 } \ | |
3711 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
3712 JNI_END | |
3713 | |
3714 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3721 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3722 | |
4006 | 3723 #else /* USDT2 */ |
3724 | |
3725 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
3726 , EntryProbe, ReturnProbe);\ | |
3727 \ | |
3728 JNI_QUICK_ENTRY(void, \ | |
3729 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3730 ElementType *buf, jint mode)) \ | |
3731 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3732 EntryProbe; \ | |
3733 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3734 int len = a->length(); \ | |
3735 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3736 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3737 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3738 } \ | |
3739 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3740 FreeHeap(buf); \ | |
3741 } \ | |
3742 } \ | |
3743 ReturnProbe; \ | |
3744 JNI_END | |
3745 | |
3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3747 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3748 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3750 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
3751 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
3752 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3753 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3754 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
3755 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3756 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3757 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
3758 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3759 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
3760 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
3761 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3762 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3763 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
3764 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3765 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
3766 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
3767 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3768 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
3769 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
3770 #endif /* USDT2 */ | |
3771 | |
3772 #ifndef USDT2 | |
0 | 3773 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3774 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
3775 \ | |
3776 JNI_ENTRY(void, \ | |
3777 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3778 jsize len, ElementType *buf)) \ | |
3779 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3780 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3781 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3782 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3783 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3784 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3785 } else { \ | |
3786 if (len > 0) { \ | |
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3787 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
0 | 3788 memcpy((u_char*) buf, \ |
3789 (u_char*) src->Tag##_at_addr(start), \ | |
3790 len << sc); \ | |
3791 } \ | |
3792 } \ | |
3793 JNI_END | |
3794 | |
3795 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
3796 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3797 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3798 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3799 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3800 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3801 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3802 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3803 | |
4006 | 3804 #else /* USDT2 */ |
3805 | |
3806 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3807 , EntryProbe, ReturnProbe); \ | |
3808 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
3809 , ReturnProbe); \ | |
3810 \ | |
3811 JNI_ENTRY(void, \ | |
3812 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3813 jsize len, ElementType *buf)) \ | |
3814 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3815 EntryProbe; \ | |
3816 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3817 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3818 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3819 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3820 } else { \ | |
3821 if (len > 0) { \ | |
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3822 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
4006 | 3823 memcpy((u_char*) buf, \ |
3824 (u_char*) src->Tag##_at_addr(start), \ | |
3825 len << sc); \ | |
3826 } \ | |
3827 } \ | |
3828 JNI_END | |
3829 | |
3830 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
3831 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3832 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
3833 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3834 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3835 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
3836 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3837 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3838 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
3839 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3840 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
3841 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
3842 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
3843 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
3844 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
3845 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3846 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3847 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
3848 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3849 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3850 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
3851 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3852 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3853 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
3854 #endif /* USDT2 */ | |
3855 | |
3856 #ifndef USDT2 | |
0 | 3857 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3858 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
3859 \ | |
3860 JNI_ENTRY(void, \ | |
3861 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3862 jsize len, const ElementType *buf)) \ | |
3863 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3864 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3865 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3866 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3867 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3868 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3869 } else { \ | |
3870 if (len > 0) { \ | |
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3871 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
0 | 3872 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3873 (u_char*) buf, \ | |
3874 len << sc); \ | |
3875 } \ | |
3876 } \ | |
3877 JNI_END | |
3878 | |
3879 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
3880 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3881 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3882 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3883 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3884 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3885 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3886 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3887 | |
4006 | 3888 #else /* USDT2 */ |
3889 | |
3890 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3891 , EntryProbe, ReturnProbe); \ | |
3892 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
3893 ,ReturnProbe); \ | |
3894 \ | |
3895 JNI_ENTRY(void, \ | |
3896 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3897 jsize len, const ElementType *buf)) \ | |
3898 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3899 EntryProbe; \ | |
3900 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3901 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3902 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3903 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3904 } else { \ | |
3905 if (len > 0) { \ | |
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3906 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
4006 | 3907 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3908 (u_char*) buf, \ | |
3909 len << sc); \ | |
3910 } \ | |
3911 } \ | |
3912 JNI_END | |
3913 | |
3914 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
3915 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
3916 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
3917 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3918 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3919 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
3920 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3921 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3922 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
3923 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3924 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3925 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
3926 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
3927 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
3928 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
3929 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3930 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3931 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
3932 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3933 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3934 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
3935 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3936 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3937 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
3938 #endif /* USDT2 */ | |
3939 | |
0 | 3940 |
3941 // | |
3942 // Interception of natives | |
3943 // | |
3944 | |
3945 // The RegisterNatives call being attempted tried to register with a method that | |
3946 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
3947 // to see if the native method is now wrapped with the prefixes. See the | |
3948 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
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3949 static Method* find_prefixed_native(KlassHandle k, |
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3950 Symbol* name, Symbol* signature, TRAPS) { |
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3951 #if INCLUDE_JVMTI |
0 | 3952 ResourceMark rm(THREAD); |
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3953 Method* method; |
0 | 3954 int name_len = name->utf8_length(); |
3955 char* name_str = name->as_utf8(); | |
3956 int prefix_count; | |
3957 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
3958 for (int i = 0; i < prefix_count; i++) { | |
3959 char* prefix = prefixes[i]; | |
3960 int prefix_len = (int)strlen(prefix); | |
3961 | |
3962 // try adding this prefix to the method name and see if it matches another method name | |
3963 int trial_len = name_len + prefix_len; | |
3964 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
3965 strcpy(trial_name_str, prefix); | |
3966 strcat(trial_name_str, name_str); | |
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3967 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
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3968 if (trial_name == NULL) { |
0 | 3969 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
3970 } | |
6983 | 3971 method = k()->lookup_method(trial_name, signature); |
0 | 3972 if (method == NULL) { |
3973 continue; // signature doesn't match, try the next prefix | |
3974 } | |
3975 if (method->is_native()) { | |
3976 method->set_is_prefixed_native(); | |
3977 return method; // wahoo, we found a prefixed version of the method, return it | |
3978 } | |
3979 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
3980 name_len = trial_len; | |
3981 name_str = trial_name_str; | |
3982 } | |
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3983 #endif // INCLUDE_JVMTI |
0 | 3984 return NULL; // not found |
3985 } | |
3986 | |
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3987 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
6983 | 3988 Method* method = k()->lookup_method(name, signature); |
0 | 3989 if (method == NULL) { |
3990 ResourceMark rm; | |
3991 stringStream st; | |
3992 st.print("Method %s name or signature does not match", | |
6983 | 3993 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 3994 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
3995 } | |
3996 if (!method->is_native()) { | |
3997 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
3998 method = find_prefixed_native(k, name, signature, THREAD); | |
3999 if (method == NULL) { | |
4000 ResourceMark rm; | |
4001 stringStream st; | |
4002 st.print("Method %s is not declared as native", | |
6983 | 4003 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 4004 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
4005 } | |
4006 } | |
4007 | |
4008 if (entry != NULL) { | |
4009 method->set_native_function(entry, | |
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4010 Method::native_bind_event_is_interesting); |
0 | 4011 } else { |
4012 method->clear_native_function(); | |
4013 } | |
4014 if (PrintJNIResolving) { | |
4015 ResourceMark rm(THREAD); | |
4016 tty->print_cr("[Registering JNI native method %s.%s]", | |
6940
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|
4017 method->method_holder()->external_name(), |
0 | 4018 method->name()->as_C_string()); |
4019 } | |
4020 return true; | |
4021 } | |
4022 | |
4006 | 4023 #ifndef USDT2 |
0 | 4024 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
4006 | 4025 #else /* USDT2 */ |
4026 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
4027 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
4028 #endif /* USDT2 */ | |
0 | 4029 |
4030 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
4031 const JNINativeMethod *methods, | |
4032 jint nMethods)) | |
4033 JNIWrapper("RegisterNatives"); | |
4006 | 4034 #ifndef USDT2 |
0 | 4035 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
4006 | 4036 #else /* USDT2 */ |
4037 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
4038 env, clazz, (void *) methods, nMethods); | |
4039 #endif /* USDT2 */ | |
0 | 4040 jint ret = 0; |
4041 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
4042 | |
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4043 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 4044 |
4045 for (int index = 0; index < nMethods; index++) { | |
4046 const char* meth_name = methods[index].name; | |
4047 const char* meth_sig = methods[index].signature; | |
4048 int meth_name_len = (int)strlen(meth_name); | |
4049 | |
4050 // The class should have been loaded (we have an instance of the class | |
4051 // passed in) so the method and signature should already be in the symbol | |
4052 // table. If they're not there, the method doesn't exist. | |
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4053 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
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|
4054 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
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|
4055 |
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|
4056 if (name == NULL || signature == NULL) { |
0 | 4057 ResourceMark rm; |
4058 stringStream st; | |
6983 | 4059 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
0 | 4060 // Must return negative value on failure |
4061 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
4062 } | |
4063 | |
4064 bool res = register_native(h_k, name, signature, | |
4065 (address) methods[index].fnPtr, THREAD); | |
4066 if (!res) { | |
4067 ret = -1; | |
4068 break; | |
4069 } | |
4070 } | |
4071 return ret; | |
4072 JNI_END | |
4073 | |
4074 | |
4075 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
4076 JNIWrapper("UnregisterNatives"); | |
4006 | 4077 #ifndef USDT2 |
0 | 4078 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
4006 | 4079 #else /* USDT2 */ |
4080 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
4081 env, clazz); | |
4082 #endif /* USDT2 */ | |
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4083 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
0 | 4084 //%note jni_2 |
6983 | 4085 if (k->oop_is_instance()) { |
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4086 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
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4087 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
0 | 4088 if (m->is_native()) { |
4089 m->clear_native_function(); | |
4090 m->set_signature_handler(NULL); | |
4091 } | |
4092 } | |
4093 } | |
4006 | 4094 #ifndef USDT2 |
0 | 4095 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
4006 | 4096 #else /* USDT2 */ |
4097 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
4098 0); | |
4099 #endif /* USDT2 */ | |
0 | 4100 return 0; |
4101 JNI_END | |
4102 | |
4103 // | |
4104 // Monitor functions | |
4105 // | |
4106 | |
4006 | 4107 #ifndef USDT2 |
0 | 4108 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
4006 | 4109 #else /* USDT2 */ |
4110 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
4111 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
4112 #endif /* USDT2 */ | |
0 | 4113 |
4114 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
4006 | 4115 #ifndef USDT2 |
0 | 4116 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
4006 | 4117 #else /* USDT2 */ |
4118 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
4119 env, jobj); | |
4120 #endif /* USDT2 */ | |
0 | 4121 jint ret = JNI_ERR; |
4122 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
4123 | |
4124 // If the object is null, we can't do anything with it | |
4125 if (jobj == NULL) { | |
4126 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4127 } | |
4128 | |
4129 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
4130 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
4131 ret = JNI_OK; | |
4132 return ret; | |
4133 JNI_END | |
4134 | |
4006 | 4135 #ifndef USDT2 |
0 | 4136 DT_RETURN_MARK_DECL(MonitorExit, jint); |
4006 | 4137 #else /* USDT2 */ |
4138 DT_RETURN_MARK_DECL(MonitorExit, jint | |
4139 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
4140 #endif /* USDT2 */ | |
0 | 4141 |
4142 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
4006 | 4143 #ifndef USDT2 |
0 | 4144 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
4006 | 4145 #else /* USDT2 */ |
4146 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
4147 env, jobj); | |
4148 #endif /* USDT2 */ | |
0 | 4149 jint ret = JNI_ERR; |
4150 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
4151 | |
4152 // Don't do anything with a null object | |
4153 if (jobj == NULL) { | |
4154 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4155 } | |
4156 | |
4157 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
4158 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
4159 | |
4160 ret = JNI_OK; | |
4161 return ret; | |
4162 JNI_END | |
4163 | |
4164 // | |
4165 // Extensions | |
4166 // | |
4167 | |
4006 | 4168 #ifndef USDT2 |
0 | 4169 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
4006 | 4170 #else /* USDT2 */ |
4171 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
4172 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
4173 #endif /* USDT2 */ | |
0 | 4174 |
4175 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
4176 JNIWrapper("GetStringRegion"); | |
4006 | 4177 #ifndef USDT2 |
0 | 4178 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
4006 | 4179 #else /* USDT2 */ |
4180 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
4181 env, string, start, len, buf); | |
4182 #endif /* USDT2 */ | |
0 | 4183 DT_VOID_RETURN_MARK(GetStringRegion); |
4184 oop s = JNIHandles::resolve_non_null(string); | |
4185 int s_len = java_lang_String::length(s); | |
4186 if (start < 0 || len < 0 || start + len > s_len) { | |
4187 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4188 } else { | |
4189 if (len > 0) { | |
4190 int s_offset = java_lang_String::offset(s); | |
4191 typeArrayOop s_value = java_lang_String::value(s); | |
4192 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
4193 } | |
4194 } | |
4195 JNI_END | |
4196 | |
4006 | 4197 #ifndef USDT2 |
0 | 4198 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
4006 | 4199 #else /* USDT2 */ |
4200 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
4201 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
4202 #endif /* USDT2 */ | |
0 | 4203 |
4204 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
4205 JNIWrapper("GetStringUTFRegion"); | |
4006 | 4206 #ifndef USDT2 |
0 | 4207 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
4006 | 4208 #else /* USDT2 */ |
4209 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
4210 env, string, start, len, buf); | |
4211 #endif /* USDT2 */ | |
0 | 4212 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
4213 oop s = JNIHandles::resolve_non_null(string); | |
4214 int s_len = java_lang_String::length(s); | |
4215 if (start < 0 || len < 0 || start + len > s_len) { | |
4216 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4217 } else { | |
4218 //%note jni_7 | |
4219 if (len > 0) { | |
4220 ResourceMark rm(THREAD); | |
4221 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
4222 int utf_len = (int)strlen(utf_region); | |
4223 memcpy(buf, utf_region, utf_len); | |
4224 buf[utf_len] = 0; | |
4225 } else { | |
4226 // JDK null-terminates the buffer even in len is zero | |
4227 if (buf != NULL) { | |
4228 buf[0] = 0; | |
4229 } | |
4230 } | |
4231 } | |
4232 JNI_END | |
4233 | |
4234 | |
4235 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
4236 JNIWrapper("GetPrimitiveArrayCritical"); | |
4006 | 4237 #ifndef USDT2 |
0 | 4238 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
4006 | 4239 #else /* USDT2 */ |
4240 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
4241 env, array, (uintptr_t *) isCopy); | |
4242 #endif /* USDT2 */ | |
0 | 4243 GC_locker::lock_critical(thread); |
4244 if (isCopy != NULL) { | |
4245 *isCopy = JNI_FALSE; | |
4246 } | |
4247 oop a = JNIHandles::resolve_non_null(array); | |
4248 assert(a->is_array(), "just checking"); | |
4249 BasicType type; | |
4250 if (a->is_objArray()) { | |
4251 type = T_OBJECT; | |
4252 } else { | |
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|
4253 type = TypeArrayKlass::cast(a->klass())->element_type(); |
0 | 4254 } |
4255 void* ret = arrayOop(a)->base(type); | |
4006 | 4256 #ifndef USDT2 |
0 | 4257 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
4006 | 4258 #else /* USDT2 */ |
4259 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
4260 ret); | |
4261 #endif /* USDT2 */ | |
0 | 4262 return ret; |
4263 JNI_END | |
4264 | |
4265 | |
4266 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
4267 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
4006 | 4268 #ifndef USDT2 |
0 | 4269 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
4006 | 4270 #else /* USDT2 */ |
4271 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
4272 env, array, carray, mode); | |
4273 #endif /* USDT2 */ | |
0 | 4274 // The array, carray and mode arguments are ignored |
4275 GC_locker::unlock_critical(thread); | |
4006 | 4276 #ifndef USDT2 |
0 | 4277 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
4006 | 4278 #else /* USDT2 */ |
4279 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
4280 ); | |
4281 #endif /* USDT2 */ | |
0 | 4282 JNI_END |
4283 | |
4284 | |
4285 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
4286 JNIWrapper("GetStringCritical"); | |
4006 | 4287 #ifndef USDT2 |
0 | 4288 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
4006 | 4289 #else /* USDT2 */ |
4290 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
4291 env, string, (uintptr_t *) isCopy); | |
4292 #endif /* USDT2 */ | |
0 | 4293 GC_locker::lock_critical(thread); |
4294 if (isCopy != NULL) { | |
4295 *isCopy = JNI_FALSE; | |
4296 } | |
4297 oop s = JNIHandles::resolve_non_null(string); | |
4298 int s_len = java_lang_String::length(s); | |
4299 typeArrayOop s_value = java_lang_String::value(s); | |
4300 int s_offset = java_lang_String::offset(s); | |
4301 const jchar* ret; | |
4302 if (s_len > 0) { | |
4303 ret = s_value->char_at_addr(s_offset); | |
4304 } else { | |
4305 ret = (jchar*) s_value->base(T_CHAR); | |
4306 } | |
4006 | 4307 #ifndef USDT2 |
0 | 4308 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
4006 | 4309 #else /* USDT2 */ |
4310 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
4311 (uint16_t *) ret); | |
4312 #endif /* USDT2 */ | |
0 | 4313 return ret; |
4314 JNI_END | |
4315 | |
4316 | |
4317 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
4318 JNIWrapper("ReleaseStringCritical"); | |
4006 | 4319 #ifndef USDT2 |
0 | 4320 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
4006 | 4321 #else /* USDT2 */ |
4322 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
4323 env, str, (uint16_t *) chars); | |
4324 #endif /* USDT2 */ | |
0 | 4325 // The str and chars arguments are ignored |
4326 GC_locker::unlock_critical(thread); | |
4006 | 4327 #ifndef USDT2 |
0 | 4328 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
4006 | 4329 #else /* USDT2 */ |
4330 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
4331 ); | |
4332 #endif /* USDT2 */ | |
0 | 4333 JNI_END |
4334 | |
4335 | |
4336 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
4337 JNIWrapper("jni_NewWeakGlobalRef"); | |
4006 | 4338 #ifndef USDT2 |
0 | 4339 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
4006 | 4340 #else /* USDT2 */ |
4341 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
4342 env, ref); | |
4343 #endif /* USDT2 */ | |
0 | 4344 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
4345 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
4006 | 4346 #ifndef USDT2 |
0 | 4347 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
4006 | 4348 #else /* USDT2 */ |
4349 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
4350 ret); | |
4351 #endif /* USDT2 */ | |
0 | 4352 return ret; |
4353 JNI_END | |
4354 | |
4355 // Must be JNI_ENTRY (with HandleMark) | |
4356 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
4357 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
4006 | 4358 #ifndef USDT2 |
0 | 4359 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
4006 | 4360 #else /* USDT2 */ |
4361 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
4362 env, ref); | |
4363 #endif /* USDT2 */ | |
0 | 4364 JNIHandles::destroy_weak_global(ref); |
4006 | 4365 #ifndef USDT2 |
0 | 4366 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
4006 | 4367 #else /* USDT2 */ |
4368 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
4369 ); | |
4370 #endif /* USDT2 */ | |
0 | 4371 JNI_END |
4372 | |
4373 | |
4374 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
4375 JNIWrapper("jni_ExceptionCheck"); | |
4006 | 4376 #ifndef USDT2 |
0 | 4377 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
4006 | 4378 #else /* USDT2 */ |
4379 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
4380 env); | |
4381 #endif /* USDT2 */ | |
0 | 4382 jni_check_async_exceptions(thread); |
4383 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
4006 | 4384 #ifndef USDT2 |
0 | 4385 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
4006 | 4386 #else /* USDT2 */ |
4387 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
4388 ret); | |
4389 #endif /* USDT2 */ | |
0 | 4390 return ret; |
4391 JNI_END | |
4392 | |
4393 | |
4394 // Initialization state for three routines below relating to | |
4395 // java.nio.DirectBuffers | |
4396 static jint directBufferSupportInitializeStarted = 0; | |
4397 static volatile jint directBufferSupportInitializeEnded = 0; | |
4398 static volatile jint directBufferSupportInitializeFailed = 0; | |
4399 static jclass bufferClass = NULL; | |
4400 static jclass directBufferClass = NULL; | |
4401 static jclass directByteBufferClass = NULL; | |
4402 static jmethodID directByteBufferConstructor = NULL; | |
4403 static jfieldID directBufferAddressField = NULL; | |
4404 static jfieldID bufferCapacityField = NULL; | |
4405 | |
4406 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
4407 Handle loader; // null (bootstrap) loader | |
4408 Handle protection_domain; // null protection domain | |
4409 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
4410 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
579
diff
changeset
|
4411 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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diff
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|
4412 |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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diff
changeset
|
4413 if (TraceClassResolution && result != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6197
diff
changeset
|
4414 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
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diff
changeset
|
4415 } |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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diff
changeset
|
4416 return result; |
0 | 4417 } |
4418 | |
4419 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
4420 // circumvent any security checks that would be done by jni_FindClass. | |
4421 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
4422 { | |
4423 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
4424 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
4425 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
4426 return true; | |
4427 } | |
4428 JNI_END | |
4429 | |
4430 | |
4431 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
4432 if (directBufferSupportInitializeFailed) { | |
4433 return false; | |
4434 } | |
4435 | |
4436 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
4437 if (!lookupDirectBufferClasses(env)) { | |
4438 directBufferSupportInitializeFailed = 1; | |
4439 return false; | |
4440 } | |
4441 | |
4442 // Make global references for these | |
4443 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
4444 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
4445 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
4446 | |
4447 // Get needed field and method IDs | |
4448 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
17704
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diff
changeset
|
4449 if (env->ExceptionCheck()) { |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4450 env->ExceptionClear(); |
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8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4451 directBufferSupportInitializeFailed = 1; |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4452 return false; |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4453 } |
0 | 4454 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); |
17704
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8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4455 if (env->ExceptionCheck()) { |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4456 env->ExceptionClear(); |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4457 directBufferSupportInitializeFailed = 1; |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4458 return false; |
56cd09c4a5c9
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|
4459 } |
0 | 4460 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); |
17704
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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diff
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|
4461 if (env->ExceptionCheck()) { |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4462 env->ExceptionClear(); |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4463 directBufferSupportInitializeFailed = 1; |
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|
4464 return false; |
56cd09c4a5c9
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|
4465 } |
0 | 4466 |
4467 if ((directByteBufferConstructor == NULL) || | |
4468 (directBufferAddressField == NULL) || | |
4469 (bufferCapacityField == NULL)) { | |
4470 directBufferSupportInitializeFailed = 1; | |
4471 return false; | |
4472 } | |
4473 | |
4474 directBufferSupportInitializeEnded = 1; | |
4475 } else { | |
4476 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
521
4db4e58c16bd
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diff
changeset
|
4477 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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diff
changeset
|
4478 // os::sleep which requires the VM state transition. On other platforms, it |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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477
diff
changeset
|
4479 // is not necessary. The following call to change the VM state is purposely |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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477
diff
changeset
|
4480 // put inside the loop to avoid potential deadlock when multiple threads |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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477
diff
changeset
|
4481 // try to call this method. See 6791815 for more details. |
4db4e58c16bd
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diff
changeset
|
4482 ThreadInVMfromNative tivn(thread); |
0 | 4483 os::yield_all(); |
4484 } | |
4485 } | |
4486 | |
4487 return !directBufferSupportInitializeFailed; | |
4488 } | |
4489 | |
4490 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
4491 { | |
4492 // thread_from_jni_environment() will block if VM is gone. | |
4493 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4494 | |
4495 JNIWrapper("jni_NewDirectByteBuffer"); | |
4006 | 4496 #ifndef USDT2 |
0 | 4497 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
4006 | 4498 #else /* USDT2 */ |
4499 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
4500 env, address, capacity); | |
4501 #endif /* USDT2 */ | |
0 | 4502 |
4503 if (!directBufferSupportInitializeEnded) { | |
4504 if (!initializeDirectBufferSupport(env, thread)) { | |
4006 | 4505 #ifndef USDT2 |
0 | 4506 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
4006 | 4507 #else /* USDT2 */ |
4508 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4509 NULL); | |
4510 #endif /* USDT2 */ | |
0 | 4511 return NULL; |
4512 } | |
4513 } | |
4514 | |
4515 // Being paranoid about accidental sign extension on address | |
4516 jlong addr = (jlong) ((uintptr_t) address); | |
4517 // NOTE that package-private DirectByteBuffer constructor currently | |
4518 // takes int capacity | |
4519 jint cap = (jint) capacity; | |
4520 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
4006 | 4521 #ifndef USDT2 |
0 | 4522 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
4006 | 4523 #else /* USDT2 */ |
4524 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4525 ret); | |
4526 #endif /* USDT2 */ | |
0 | 4527 return ret; |
4528 } | |
4529 | |
4006 | 4530 #ifndef USDT2 |
0 | 4531 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
4006 | 4532 #else /* USDT2 */ |
4533 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
4534 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
4535 #endif /* USDT2 */ | |
0 | 4536 |
4537 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
4538 { | |
4539 // thread_from_jni_environment() will block if VM is gone. | |
4540 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4541 | |
4542 JNIWrapper("jni_GetDirectBufferAddress"); | |
4006 | 4543 #ifndef USDT2 |
0 | 4544 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
4006 | 4545 #else /* USDT2 */ |
4546 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
4547 env, buf); | |
4548 #endif /* USDT2 */ | |
0 | 4549 void* ret = NULL; |
4550 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
4551 | |
4552 if (!directBufferSupportInitializeEnded) { | |
4553 if (!initializeDirectBufferSupport(env, thread)) { | |
4554 return 0; | |
4555 } | |
4556 } | |
4557 | |
4558 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
4559 return 0; | |
4560 } | |
4561 | |
4562 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
4563 return ret; | |
4564 } | |
4565 | |
4006 | 4566 #ifndef USDT2 |
0 | 4567 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
4006 | 4568 #else /* USDT2 */ |
4569 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
4570 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
4571 #endif /* USDT2 */ | |
0 | 4572 |
4573 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
4574 { | |
4575 // thread_from_jni_environment() will block if VM is gone. | |
4576 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4577 | |
4578 JNIWrapper("jni_GetDirectBufferCapacity"); | |
4006 | 4579 #ifndef USDT2 |
0 | 4580 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
4006 | 4581 #else /* USDT2 */ |
4582 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
4583 env, buf); | |
4584 #endif /* USDT2 */ | |
0 | 4585 jlong ret = -1; |
4586 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
4587 | |
4588 if (!directBufferSupportInitializeEnded) { | |
4589 if (!initializeDirectBufferSupport(env, thread)) { | |
4590 ret = 0; | |
4591 return ret; | |
4592 } | |
4593 } | |
4594 | |
4595 if (buf == NULL) { | |
4596 return -1; | |
4597 } | |
4598 | |
4599 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
4600 return -1; | |
4601 } | |
4602 | |
4603 // NOTE that capacity is currently an int in the implementation | |
4604 ret = env->GetIntField(buf, bufferCapacityField); | |
4605 return ret; | |
4606 } | |
4607 | |
4608 | |
4609 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
4610 JNIWrapper("GetVersion"); | |
4006 | 4611 #ifndef USDT2 |
0 | 4612 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
4006 | 4613 #else /* USDT2 */ |
4614 HOTSPOT_JNI_GETVERSION_ENTRY( | |
4615 env); | |
4616 #endif /* USDT2 */ | |
4617 #ifndef USDT2 | |
0 | 4618 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
4006 | 4619 #else /* USDT2 */ |
4620 HOTSPOT_JNI_GETVERSION_RETURN( | |
4621 CurrentVersion); | |
4622 #endif /* USDT2 */ | |
0 | 4623 return CurrentVersion; |
4624 JNI_END | |
4625 | |
4626 extern struct JavaVM_ main_vm; | |
4627 | |
4628 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
4629 JNIWrapper("jni_GetJavaVM"); | |
4006 | 4630 #ifndef USDT2 |
0 | 4631 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
4006 | 4632 #else /* USDT2 */ |
4633 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
4634 env, (void **) vm); | |
4635 #endif /* USDT2 */ | |
0 | 4636 *vm = (JavaVM *)(&main_vm); |
4006 | 4637 #ifndef USDT2 |
0 | 4638 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
4006 | 4639 #else /* USDT2 */ |
4640 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
4641 JNI_OK); | |
4642 #endif /* USDT2 */ | |
0 | 4643 return JNI_OK; |
4644 JNI_END | |
4645 | |
4646 // Structure containing all jni functions | |
4647 struct JNINativeInterface_ jni_NativeInterface = { | |
4648 NULL, | |
4649 NULL, | |
4650 NULL, | |
4651 | |
4652 NULL, | |
4653 | |
4654 jni_GetVersion, | |
4655 | |
4656 jni_DefineClass, | |
4657 jni_FindClass, | |
4658 | |
4659 jni_FromReflectedMethod, | |
4660 jni_FromReflectedField, | |
4661 | |
4662 jni_ToReflectedMethod, | |
4663 | |
4664 jni_GetSuperclass, | |
4665 jni_IsAssignableFrom, | |
4666 | |
4667 jni_ToReflectedField, | |
4668 | |
4669 jni_Throw, | |
4670 jni_ThrowNew, | |
4671 jni_ExceptionOccurred, | |
4672 jni_ExceptionDescribe, | |
4673 jni_ExceptionClear, | |
4674 jni_FatalError, | |
4675 | |
4676 jni_PushLocalFrame, | |
4677 jni_PopLocalFrame, | |
4678 | |
4679 jni_NewGlobalRef, | |
4680 jni_DeleteGlobalRef, | |
4681 jni_DeleteLocalRef, | |
4682 jni_IsSameObject, | |
4683 | |
4684 jni_NewLocalRef, | |
4685 jni_EnsureLocalCapacity, | |
4686 | |
4687 jni_AllocObject, | |
4688 jni_NewObject, | |
4689 jni_NewObjectV, | |
4690 jni_NewObjectA, | |
4691 | |
4692 jni_GetObjectClass, | |
4693 jni_IsInstanceOf, | |
4694 | |
4695 jni_GetMethodID, | |
4696 | |
4697 jni_CallObjectMethod, | |
4698 jni_CallObjectMethodV, | |
4699 jni_CallObjectMethodA, | |
4700 jni_CallBooleanMethod, | |
4701 jni_CallBooleanMethodV, | |
4702 jni_CallBooleanMethodA, | |
4703 jni_CallByteMethod, | |
4704 jni_CallByteMethodV, | |
4705 jni_CallByteMethodA, | |
4706 jni_CallCharMethod, | |
4707 jni_CallCharMethodV, | |
4708 jni_CallCharMethodA, | |
4709 jni_CallShortMethod, | |
4710 jni_CallShortMethodV, | |
4711 jni_CallShortMethodA, | |
4712 jni_CallIntMethod, | |
4713 jni_CallIntMethodV, | |
4714 jni_CallIntMethodA, | |
4715 jni_CallLongMethod, | |
4716 jni_CallLongMethodV, | |
4717 jni_CallLongMethodA, | |
4718 jni_CallFloatMethod, | |
4719 jni_CallFloatMethodV, | |
4720 jni_CallFloatMethodA, | |
4721 jni_CallDoubleMethod, | |
4722 jni_CallDoubleMethodV, | |
4723 jni_CallDoubleMethodA, | |
4724 jni_CallVoidMethod, | |
4725 jni_CallVoidMethodV, | |
4726 jni_CallVoidMethodA, | |
4727 | |
4728 jni_CallNonvirtualObjectMethod, | |
4729 jni_CallNonvirtualObjectMethodV, | |
4730 jni_CallNonvirtualObjectMethodA, | |
4731 jni_CallNonvirtualBooleanMethod, | |
4732 jni_CallNonvirtualBooleanMethodV, | |
4733 jni_CallNonvirtualBooleanMethodA, | |
4734 jni_CallNonvirtualByteMethod, | |
4735 jni_CallNonvirtualByteMethodV, | |
4736 jni_CallNonvirtualByteMethodA, | |
4737 jni_CallNonvirtualCharMethod, | |
4738 jni_CallNonvirtualCharMethodV, | |
4739 jni_CallNonvirtualCharMethodA, | |
4740 jni_CallNonvirtualShortMethod, | |
4741 jni_CallNonvirtualShortMethodV, | |
4742 jni_CallNonvirtualShortMethodA, | |
4743 jni_CallNonvirtualIntMethod, | |
4744 jni_CallNonvirtualIntMethodV, | |
4745 jni_CallNonvirtualIntMethodA, | |
4746 jni_CallNonvirtualLongMethod, | |
4747 jni_CallNonvirtualLongMethodV, | |
4748 jni_CallNonvirtualLongMethodA, | |
4749 jni_CallNonvirtualFloatMethod, | |
4750 jni_CallNonvirtualFloatMethodV, | |
4751 jni_CallNonvirtualFloatMethodA, | |
4752 jni_CallNonvirtualDoubleMethod, | |
4753 jni_CallNonvirtualDoubleMethodV, | |
4754 jni_CallNonvirtualDoubleMethodA, | |
4755 jni_CallNonvirtualVoidMethod, | |
4756 jni_CallNonvirtualVoidMethodV, | |
4757 jni_CallNonvirtualVoidMethodA, | |
4758 | |
4759 jni_GetFieldID, | |
4760 | |
4761 jni_GetObjectField, | |
4762 jni_GetBooleanField, | |
4763 jni_GetByteField, | |
4764 jni_GetCharField, | |
4765 jni_GetShortField, | |
4766 jni_GetIntField, | |
4767 jni_GetLongField, | |
4768 jni_GetFloatField, | |
4769 jni_GetDoubleField, | |
4770 | |
4771 jni_SetObjectField, | |
4772 jni_SetBooleanField, | |
4773 jni_SetByteField, | |
4774 jni_SetCharField, | |
4775 jni_SetShortField, | |
4776 jni_SetIntField, | |
4777 jni_SetLongField, | |
4778 jni_SetFloatField, | |
4779 jni_SetDoubleField, | |
4780 | |
4781 jni_GetStaticMethodID, | |
4782 | |
4783 jni_CallStaticObjectMethod, | |
4784 jni_CallStaticObjectMethodV, | |
4785 jni_CallStaticObjectMethodA, | |
4786 jni_CallStaticBooleanMethod, | |
4787 jni_CallStaticBooleanMethodV, | |
4788 jni_CallStaticBooleanMethodA, | |
4789 jni_CallStaticByteMethod, | |
4790 jni_CallStaticByteMethodV, | |
4791 jni_CallStaticByteMethodA, | |
4792 jni_CallStaticCharMethod, | |
4793 jni_CallStaticCharMethodV, | |
4794 jni_CallStaticCharMethodA, | |
4795 jni_CallStaticShortMethod, | |
4796 jni_CallStaticShortMethodV, | |
4797 jni_CallStaticShortMethodA, | |
4798 jni_CallStaticIntMethod, | |
4799 jni_CallStaticIntMethodV, | |
4800 jni_CallStaticIntMethodA, | |
4801 jni_CallStaticLongMethod, | |
4802 jni_CallStaticLongMethodV, | |
4803 jni_CallStaticLongMethodA, | |
4804 jni_CallStaticFloatMethod, | |
4805 jni_CallStaticFloatMethodV, | |
4806 jni_CallStaticFloatMethodA, | |
4807 jni_CallStaticDoubleMethod, | |
4808 jni_CallStaticDoubleMethodV, | |
4809 jni_CallStaticDoubleMethodA, | |
4810 jni_CallStaticVoidMethod, | |
4811 jni_CallStaticVoidMethodV, | |
4812 jni_CallStaticVoidMethodA, | |
4813 | |
4814 jni_GetStaticFieldID, | |
4815 | |
4816 jni_GetStaticObjectField, | |
4817 jni_GetStaticBooleanField, | |
4818 jni_GetStaticByteField, | |
4819 jni_GetStaticCharField, | |
4820 jni_GetStaticShortField, | |
4821 jni_GetStaticIntField, | |
4822 jni_GetStaticLongField, | |
4823 jni_GetStaticFloatField, | |
4824 jni_GetStaticDoubleField, | |
4825 | |
4826 jni_SetStaticObjectField, | |
4827 jni_SetStaticBooleanField, | |
4828 jni_SetStaticByteField, | |
4829 jni_SetStaticCharField, | |
4830 jni_SetStaticShortField, | |
4831 jni_SetStaticIntField, | |
4832 jni_SetStaticLongField, | |
4833 jni_SetStaticFloatField, | |
4834 jni_SetStaticDoubleField, | |
4835 | |
4836 jni_NewString, | |
4837 jni_GetStringLength, | |
4838 jni_GetStringChars, | |
4839 jni_ReleaseStringChars, | |
4840 | |
4841 jni_NewStringUTF, | |
4842 jni_GetStringUTFLength, | |
4843 jni_GetStringUTFChars, | |
4844 jni_ReleaseStringUTFChars, | |
4845 | |
4846 jni_GetArrayLength, | |
4847 | |
4848 jni_NewObjectArray, | |
4849 jni_GetObjectArrayElement, | |
4850 jni_SetObjectArrayElement, | |
4851 | |
4852 jni_NewBooleanArray, | |
4853 jni_NewByteArray, | |
4854 jni_NewCharArray, | |
4855 jni_NewShortArray, | |
4856 jni_NewIntArray, | |
4857 jni_NewLongArray, | |
4858 jni_NewFloatArray, | |
4859 jni_NewDoubleArray, | |
4860 | |
4861 jni_GetBooleanArrayElements, | |
4862 jni_GetByteArrayElements, | |
4863 jni_GetCharArrayElements, | |
4864 jni_GetShortArrayElements, | |
4865 jni_GetIntArrayElements, | |
4866 jni_GetLongArrayElements, | |
4867 jni_GetFloatArrayElements, | |
4868 jni_GetDoubleArrayElements, | |
4869 | |
4870 jni_ReleaseBooleanArrayElements, | |
4871 jni_ReleaseByteArrayElements, | |
4872 jni_ReleaseCharArrayElements, | |
4873 jni_ReleaseShortArrayElements, | |
4874 jni_ReleaseIntArrayElements, | |
4875 jni_ReleaseLongArrayElements, | |
4876 jni_ReleaseFloatArrayElements, | |
4877 jni_ReleaseDoubleArrayElements, | |
4878 | |
4879 jni_GetBooleanArrayRegion, | |
4880 jni_GetByteArrayRegion, | |
4881 jni_GetCharArrayRegion, | |
4882 jni_GetShortArrayRegion, | |
4883 jni_GetIntArrayRegion, | |
4884 jni_GetLongArrayRegion, | |
4885 jni_GetFloatArrayRegion, | |
4886 jni_GetDoubleArrayRegion, | |
4887 | |
4888 jni_SetBooleanArrayRegion, | |
4889 jni_SetByteArrayRegion, | |
4890 jni_SetCharArrayRegion, | |
4891 jni_SetShortArrayRegion, | |
4892 jni_SetIntArrayRegion, | |
4893 jni_SetLongArrayRegion, | |
4894 jni_SetFloatArrayRegion, | |
4895 jni_SetDoubleArrayRegion, | |
4896 | |
4897 jni_RegisterNatives, | |
4898 jni_UnregisterNatives, | |
4899 | |
4900 jni_MonitorEnter, | |
4901 jni_MonitorExit, | |
4902 | |
4903 jni_GetJavaVM, | |
4904 | |
4905 jni_GetStringRegion, | |
4906 jni_GetStringUTFRegion, | |
4907 | |
4908 jni_GetPrimitiveArrayCritical, | |
4909 jni_ReleasePrimitiveArrayCritical, | |
4910 | |
4911 jni_GetStringCritical, | |
4912 jni_ReleaseStringCritical, | |
4913 | |
4914 jni_NewWeakGlobalRef, | |
4915 jni_DeleteWeakGlobalRef, | |
4916 | |
4917 jni_ExceptionCheck, | |
4918 | |
4919 jni_NewDirectByteBuffer, | |
4920 jni_GetDirectBufferAddress, | |
4921 jni_GetDirectBufferCapacity, | |
4922 | |
4923 // New 1_6 features | |
4924 | |
4925 jni_GetObjectRefType | |
4926 }; | |
4927 | |
4928 | |
4929 // For jvmti use to modify jni function table. | |
4930 // Java threads in native contiues to run until it is transitioned | |
4931 // to VM at safepoint. Before the transition or before it is blocked | |
4932 // for safepoint it may access jni function table. VM could crash if | |
4933 // any java thread access the jni function table in the middle of memcpy. | |
4934 // To avoid this each function pointers are copied automically. | |
4935 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
4936 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
4937 intptr_t *a = (intptr_t *) jni_functions(); | |
4938 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
4939 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
4940 Atomic::store_ptr(*b++, a++); | |
4941 } | |
4942 } | |
4943 | |
4944 void quicken_jni_functions() { | |
4945 // Replace Get<Primitive>Field with fast versions | |
4946 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
4947 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
4948 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
4949 // windows x86 currently needs SEH wrapper and the gain of the fast | |
4950 // versions currently isn't certain for server vm on uniprocessor. | |
4951 && os::is_MP() | |
4952 #endif | |
4953 ) { | |
4954 address func; | |
4955 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
4956 if (func != (address)-1) { | |
4957 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
4958 } | |
4959 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
4960 if (func != (address)-1) { | |
4961 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
4962 } | |
4963 func = JNI_FastGetField::generate_fast_get_char_field(); | |
4964 if (func != (address)-1) { | |
4965 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
4966 } | |
4967 func = JNI_FastGetField::generate_fast_get_short_field(); | |
4968 if (func != (address)-1) { | |
4969 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
4970 } | |
4971 func = JNI_FastGetField::generate_fast_get_int_field(); | |
4972 if (func != (address)-1) { | |
4973 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
4974 } | |
4975 func = JNI_FastGetField::generate_fast_get_long_field(); | |
4976 if (func != (address)-1) { | |
4977 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
4978 } | |
4979 func = JNI_FastGetField::generate_fast_get_float_field(); | |
4980 if (func != (address)-1) { | |
4981 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
4982 } | |
4983 func = JNI_FastGetField::generate_fast_get_double_field(); | |
4984 if (func != (address)-1) { | |
4985 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
4986 } | |
4987 } | |
4988 } | |
4989 | |
4990 // Returns the function structure | |
4991 struct JNINativeInterface_* jni_functions() { | |
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|
4992 #if INCLUDE_JNI_CHECK |
0 | 4993 if (CheckJNICalls) return jni_functions_check(); |
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6725
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changeset
|
4994 #endif // INCLUDE_JNI_CHECK |
0 | 4995 return &jni_NativeInterface; |
4996 } | |
4997 | |
4998 // Returns the function structure | |
4999 struct JNINativeInterface_* jni_functions_nocheck() { | |
5000 return &jni_NativeInterface; | |
5001 } | |
5002 | |
5003 | |
5004 // Invocation API | |
5005 | |
5006 | |
5007 // Forward declaration | |
5008 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
5009 | |
5010 // Global invocation API vars | |
5011 volatile jint vm_created = 0; | |
5012 // Indicate whether it is safe to recreate VM | |
5013 volatile jint safe_to_recreate_vm = 1; | |
5014 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
5015 | |
5016 | |
5017 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
5018 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
5019 | |
4006 | 5020 #ifndef USDT2 |
0 | 5021 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
5022 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
4006 | 5023 #else /* USDT2 */ |
5024 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
5025 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
5026 #endif /* USDT2 */ | |
0 | 5027 |
5028 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
4006 | 5029 #ifndef USDT2 |
0 | 5030 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
4006 | 5031 #else /* USDT2 */ |
5032 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
5033 args_); | |
5034 #endif /* USDT2 */ | |
0 | 5035 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
5036 jint ret = JNI_ERR; | |
5037 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
5038 | |
5039 if (Threads::is_supported_jni_version(args->version)) { | |
5040 ret = JNI_OK; | |
5041 } | |
5042 // 1.1 style no longer supported in hotspot. | |
5043 // According the JNI spec, we should update args->version on return. | |
5044 // We also use the structure to communicate with launcher about default | |
5045 // stack size. | |
5046 if (args->version == JNI_VERSION_1_1) { | |
5047 args->version = JNI_VERSION_1_2; | |
5048 // javaStackSize is int in arguments structure | |
5049 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
5050 args->javaStackSize = (jint)(ThreadStackSize * K); | |
5051 } | |
5052 return ret; | |
5053 } | |
5054 | |
3779 | 5055 #ifndef PRODUCT |
5056 | |
10405 | 5057 #include "gc_implementation/shared/gcTimer.hpp" |
4708 | 5058 #include "gc_interface/collectedHeap.hpp" |
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6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
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parents:
9060
diff
changeset
|
5059 #if INCLUDE_ALL_GCS |
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5060 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5061 #endif |
20318
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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20262
diff
changeset
|
5062 #include "memory/guardedMemory.hpp" |
3779 | 5063 #include "utilities/quickSort.hpp" |
12215 | 5064 #include "utilities/ostream.hpp" |
7171 | 5065 #if INCLUDE_VM_STRUCTS |
5066 #include "runtime/vmStructs.hpp" | |
5067 #endif | |
3779 | 5068 |
4708 | 5069 #define run_unit_test(unit_test_function_call) \ |
5070 tty->print_cr("Running test: " #unit_test_function_call); \ | |
5071 unit_test_function_call | |
5072 | |
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5073 // Forward declaration |
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5074 void TestReservedSpace_test(); |
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5075 void TestReserveMemorySpecial_test(); |
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5076 void TestVirtualSpace_test(); |
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5077 void TestMetaspaceAux_test(); |
12902 | 5078 void TestMetachunk_test(); |
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
5079 void TestVirtualSpaceNode_test(); |
17898
1d01a7f3a336
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
17829
diff
changeset
|
5080 void TestNewSize_test(); |
20262
76b588255908
8035746: Add missing Klass::oop_is_instanceClassLoader() function
stefank
parents:
20255
diff
changeset
|
5081 void TestKlass_test(); |
20360 | 5082 void Test_linked_list(); |
17694 | 5083 #if INCLUDE_ALL_GCS |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
12979
diff
changeset
|
5084 void TestOldFreeSpaceCalculation_test(); |
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5085 void TestG1BiasedArray_test(); |
20255
02e61cf08ab3
8033764: Remove the usage of StarTask from BufferingOopClosure
stefank
parents:
20197
diff
changeset
|
5086 void TestBufferingOopClosure_test(); |
17753
191174b49bec
8035406: Improve data structure for Code Cache remembered sets
tschatzl
parents:
17704
diff
changeset
|
5087 void TestCodeCacheRemSet_test(); |
20337 | 5088 void FreeRegionList_test(); |
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5089 #endif |
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5090 |
3779 | 5091 void execute_internal_vm_tests() { |
5092 if (ExecuteInternalVMTests) { | |
4708 | 5093 tty->print_cr("Running internal VM tests"); |
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5094 run_unit_test(TestReservedSpace_test()); |
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5095 run_unit_test(TestReserveMemorySpecial_test()); |
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5096 run_unit_test(TestVirtualSpace_test()); |
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5097 run_unit_test(TestMetaspaceAux_test()); |
12902 | 5098 run_unit_test(TestMetachunk_test()); |
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
5099 run_unit_test(TestVirtualSpaceNode_test()); |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
5100 run_unit_test(GlobalDefinitions::test_globals()); |
10405 | 5101 run_unit_test(GCTimerAllTest::all()); |
4708 | 5102 run_unit_test(arrayOopDesc::test_max_array_length()); |
5103 run_unit_test(CollectedHeap::test_is_in()); | |
5104 run_unit_test(QuickSort::test_quick_sort()); | |
20318
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
dsimms
parents:
20262
diff
changeset
|
5105 run_unit_test(GuardedMemory::test_guarded_memory()); |
6162 | 5106 run_unit_test(AltHashing::test_alt_hash()); |
12215 | 5107 run_unit_test(test_loggc_filename()); |
17898
1d01a7f3a336
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
17829
diff
changeset
|
5108 run_unit_test(TestNewSize_test()); |
20262
76b588255908
8035746: Add missing Klass::oop_is_instanceClassLoader() function
stefank
parents:
20255
diff
changeset
|
5109 run_unit_test(TestKlass_test()); |
20360 | 5110 run_unit_test(Test_linked_list()); |
7171 | 5111 #if INCLUDE_VM_STRUCTS |
5112 run_unit_test(VMStructs::test()); | |
5113 #endif | |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5114 #if INCLUDE_ALL_GCS |
17694 | 5115 run_unit_test(TestOldFreeSpaceCalculation_test()); |
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5116 run_unit_test(TestG1BiasedArray_test()); |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5117 run_unit_test(HeapRegionRemSet::test_prt()); |
20255
02e61cf08ab3
8033764: Remove the usage of StarTask from BufferingOopClosure
stefank
parents:
20197
diff
changeset
|
5118 run_unit_test(TestBufferingOopClosure_test()); |
17753
191174b49bec
8035406: Improve data structure for Code Cache remembered sets
tschatzl
parents:
17704
diff
changeset
|
5119 run_unit_test(TestCodeCacheRemSet_test()); |
20337 | 5120 if (UseG1GC) { |
5121 run_unit_test(FreeRegionList_test()); | |
5122 } | |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5123 #endif |
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5124 tty->print_cr("All internal VM tests passed"); |
3779 | 5125 } |
5126 } | |
5127 | |
4708 | 5128 #undef run_unit_test |
5129 | |
3779 | 5130 #endif |
5131 | |
4006 | 5132 #ifndef USDT2 |
0 | 5133 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
5134 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
4006 | 5135 #else /* USDT2 */ |
5136 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
5137 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
5138 #endif /* USDT2 */ | |
0 | 5139 |
5140 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
4006 | 5141 #ifndef USDT2 |
0 | 5142 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
4006 | 5143 #else /* USDT2 */ |
5144 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
5145 (void **) vm, penv, args); | |
5146 #endif /* USDT2 */ | |
0 | 5147 |
5148 jint result = JNI_ERR; | |
5149 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
5150 | |
1078 | 5151 // We're about to use Atomic::xchg for synchronization. Some Zero |
5152 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
5153 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
5154 // on all architectures. So we check it works before relying on it. | |
5155 #if defined(ZERO) && defined(ASSERT) | |
5156 { | |
5157 jint a = 0xcafebabe; | |
5158 jint b = Atomic::xchg(0xdeadbeef, &a); | |
5159 void *c = &a; | |
5160 void *d = Atomic::xchg_ptr(&b, &c); | |
1132 | 5161 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
1078 | 5162 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
5163 } | |
5164 #endif // ZERO && ASSERT | |
5165 | |
0 | 5166 // At the moment it's only possible to have one Java VM, |
5167 // since some of the runtime state is in global variables. | |
5168 | |
5169 // We cannot use our mutex locks here, since they only work on | |
5170 // Threads. We do an atomic compare and exchange to ensure only | |
5171 // one thread can call this method at a time | |
5172 | |
5173 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
5174 // the add/dec implementations are dependent on whether we are running | |
5175 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
5176 // function used to determine this will always return false. Atomic::xchg | |
5177 // does not have this problem. | |
5178 if (Atomic::xchg(1, &vm_created) == 1) { | |
11089
f323bbb0e6c1
8019833: Wrong JNI error code for preexisting JVM
coleenp
parents:
11059
diff
changeset
|
5179 return JNI_EEXIST; // already created, or create attempt in progress |
0 | 5180 } |
5181 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
5182 return JNI_ERR; // someone tried and failed and retry not allowed. | |
5183 } | |
5184 | |
5185 assert(vm_created == 1, "vm_created is true during the creation"); | |
5186 | |
5187 /** | |
5188 * Certain errors during initialization are recoverable and do not | |
5189 * prevent this method from being called again at a later time | |
5190 * (perhaps with different arguments). However, at a certain | |
5191 * point during initialization if an error occurs we cannot allow | |
5192 * this function to be called again (or it will crash). In those | |
5193 * situations, the 'canTryAgain' flag is set to false, which atomically | |
5194 * sets safe_to_recreate_vm to 1, such that any new call to | |
5195 * JNI_CreateJavaVM will immediately fail using the above logic. | |
5196 */ | |
5197 bool can_try_again = true; | |
5198 | |
5199 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
5200 if (result == JNI_OK) { | |
5201 JavaThread *thread = JavaThread::current(); | |
5202 /* thread is thread_in_vm here */ | |
5203 *vm = (JavaVM *)(&main_vm); | |
5204 *(JNIEnv**)penv = thread->jni_environment(); | |
5205 | |
5206 // Tracks the time application was running before GC | |
5207 RuntimeService::record_application_start(); | |
5208 | |
5209 // Notify JVMTI | |
5210 if (JvmtiExport::should_post_thread_life()) { | |
5211 JvmtiExport::post_thread_start(thread); | |
5212 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5213 |
10405 | 5214 EventThreadStart event; |
5215 if (event.should_commit()) { | |
5216 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
5217 event.commit(); | |
5218 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5219 |
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5220 #ifndef PRODUCT |
17829
0118c8c7b80f
8038633: crash in VM_Version::get_processor_features() on startup
kvn
parents:
17753
diff
changeset
|
5221 #ifndef CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED |
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5222 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f() |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5223 #endif |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5224 |
0 | 5225 // Check if we should compile all classes on bootclasspath |
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5226 if (CompileTheWorld) ClassLoader::compile_the_world(); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5227 if (ReplayCompiles) ciReplay::replay(thread); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5228 |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5229 // Some platforms (like Win*) need a wrapper around these test |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5230 // functions in order to properly handle error conditions. |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5231 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5232 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5233 #endif |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5234 |
0 | 5235 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
5236 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5237 } else { | |
5238 if (can_try_again) { | |
5239 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
5240 safe_to_recreate_vm = 1; | |
5241 } | |
5242 | |
5243 // Creation failed. We must reset vm_created | |
5244 *vm = 0; | |
5245 *(JNIEnv**)penv = 0; | |
5246 // reset vm_created last to avoid race condition. Use OrderAccess to | |
5247 // control both compiler and architectural-based reordering. | |
5248 OrderAccess::release_store(&vm_created, 0); | |
5249 } | |
5250 | |
5251 return result; | |
5252 } | |
5253 | |
4006 | 5254 #ifndef USDT2 |
0 | 5255 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5256 JavaVM**, jsize, jsize*); | |
5257 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
4006 | 5258 #endif /* !USDT2 */ |
0 | 5259 |
5260 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
5261 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
5262 // JNIWrapper("GetCreatedJavaVMs"); | |
4006 | 5263 #ifndef USDT2 |
0 | 5264 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5265 vm_buf, bufLen, numVMs); | |
4006 | 5266 #else /* USDT2 */ |
5267 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
5268 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
5269 #endif /* USDT2 */ | |
0 | 5270 if (vm_created) { |
5271 if (numVMs != NULL) *numVMs = 1; | |
5272 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
5273 } else { | |
5274 if (numVMs != NULL) *numVMs = 0; | |
5275 } | |
4006 | 5276 #ifndef USDT2 |
0 | 5277 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
4006 | 5278 #else /* USDT2 */ |
5279 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
5280 JNI_OK); | |
5281 #endif /* USDT2 */ | |
0 | 5282 return JNI_OK; |
5283 } | |
5284 | |
5285 extern "C" { | |
5286 | |
4006 | 5287 #ifndef USDT2 |
0 | 5288 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
4006 | 5289 #else /* USDT2 */ |
5290 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
5291 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
5292 #endif /* USDT2 */ | |
0 | 5293 |
5294 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
4006 | 5295 #ifndef USDT2 |
0 | 5296 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
4006 | 5297 #else /* USDT2 */ |
5298 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
5299 vm); | |
5300 #endif /* USDT2 */ | |
0 | 5301 jint res = JNI_ERR; |
5302 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
5303 | |
5304 if (!vm_created) { | |
5305 res = JNI_ERR; | |
5306 return res; | |
5307 } | |
5308 | |
5309 JNIWrapper("DestroyJavaVM"); | |
5310 JNIEnv *env; | |
5311 JavaVMAttachArgs destroyargs; | |
5312 destroyargs.version = CurrentVersion; | |
5313 destroyargs.name = (char *)"DestroyJavaVM"; | |
5314 destroyargs.group = NULL; | |
5315 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
5316 if (res != JNI_OK) { | |
5317 return res; | |
5318 } | |
5319 | |
5320 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
5321 JavaThread* thread = JavaThread::current(); | |
5322 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5323 if (Threads::destroy_vm()) { | |
5324 // Should not change thread state, VM is gone | |
5325 vm_created = false; | |
5326 res = JNI_OK; | |
5327 return res; | |
5328 } else { | |
5329 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5330 res = JNI_ERR; | |
5331 return res; | |
5332 } | |
5333 } | |
5334 | |
5335 | |
5336 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
5337 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
5338 | |
5339 // Check below commented out from JDK1.2fcs as well | |
5340 /* | |
5341 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
5342 return JNI_EVERSION; | |
5343 } | |
5344 */ | |
5345 | |
5346 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
5347 if (t != NULL) { | |
5348 // If the thread has been attached this operation is a no-op | |
5349 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
5350 return JNI_OK; | |
5351 } | |
5352 | |
5353 // Create a thread and mark it as attaching so it will be skipped by the | |
5354 // ThreadsListEnumerator - see CR 6404306 | |
5355 JavaThread* thread = new JavaThread(true); | |
5356 | |
5357 // Set correct safepoint info. The thread is going to call into Java when | |
5358 // initializing the Java level thread object. Hence, the correct state must | |
5359 // be set in order for the Safepoint code to deal with it correctly. | |
5360 thread->set_thread_state(_thread_in_vm); | |
5361 // Must do this before initialize_thread_local_storage | |
5362 thread->record_stack_base_and_size(); | |
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5363 |
0 | 5364 thread->initialize_thread_local_storage(); |
5365 | |
5366 if (!os::create_attached_thread(thread)) { | |
5367 delete thread; | |
5368 return JNI_ERR; | |
5369 } | |
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5370 // Enable stack overflow checks |
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5371 thread->create_stack_guard_pages(); |
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5372 |
0 | 5373 thread->initialize_tlab(); |
5374 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5375 thread->cache_global_variables(); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5376 |
0 | 5377 // Crucial that we do not have a safepoint check for this thread, since it has |
5378 // not been added to the Thread list yet. | |
5379 { Threads_lock->lock_without_safepoint_check(); | |
5380 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
5381 // avoid this thread trying to do a GC before it is added to the thread-list | |
5382 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
5383 Threads::add(thread, daemon); | |
5384 Threads_lock->unlock(); | |
5385 } | |
5386 // Create thread group and name info from attach arguments | |
5387 oop group = NULL; | |
5388 char* thread_name = NULL; | |
5389 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
5390 group = JNIHandles::resolve(args->group); | |
5391 thread_name = args->name; // may be NULL | |
5392 } | |
5393 if (group == NULL) group = Universe::main_thread_group(); | |
5394 | |
5395 // Create Java level thread object and attach it to this thread | |
5396 bool attach_failed = false; | |
5397 { | |
5398 EXCEPTION_MARK; | |
5399 HandleMark hm(THREAD); | |
5400 Handle thread_group(THREAD, group); | |
5401 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
5402 if (HAS_PENDING_EXCEPTION) { | |
5403 CLEAR_PENDING_EXCEPTION; | |
5404 // cleanup outside the handle mark. | |
5405 attach_failed = true; | |
5406 } | |
5407 } | |
5408 | |
5409 if (attach_failed) { | |
5410 // Added missing cleanup | |
5411 thread->cleanup_failed_attach_current_thread(); | |
5412 return JNI_ERR; | |
5413 } | |
5414 | |
5415 // mark the thread as no longer attaching | |
5416 // this uses a fence to push the change through so we don't have | |
5417 // to regrab the threads_lock | |
4006 | 5418 thread->set_done_attaching_via_jni(); |
0 | 5419 |
5420 // Set java thread status. | |
5421 java_lang_Thread::set_thread_status(thread->threadObj(), | |
5422 java_lang_Thread::RUNNABLE); | |
5423 | |
5424 // Notify the debugger | |
5425 if (JvmtiExport::should_post_thread_life()) { | |
5426 JvmtiExport::post_thread_start(thread); | |
5427 } | |
5428 | |
10405 | 5429 EventThreadStart event; |
5430 if (event.should_commit()) { | |
5431 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
5432 event.commit(); | |
5433 } | |
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diff
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|
5434 |
0 | 5435 *(JNIEnv**)penv = thread->jni_environment(); |
5436 | |
5437 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
5438 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
5439 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
5440 // needed. | |
5441 | |
5442 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5443 | |
5444 // Perform any platform dependent FPU setup | |
5445 os::setup_fpu(); | |
5446 | |
5447 return JNI_OK; | |
5448 } | |
5449 | |
5450 | |
5451 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5452 #ifndef USDT2 |
0 | 5453 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
4006 | 5454 #else /* USDT2 */ |
5455 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
5456 vm, penv, _args); | |
5457 #endif /* USDT2 */ | |
0 | 5458 if (!vm_created) { |
4006 | 5459 #ifndef USDT2 |
0 | 5460 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
4006 | 5461 #else /* USDT2 */ |
5462 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5463 (uint32_t) JNI_ERR); | |
5464 #endif /* USDT2 */ | |
0 | 5465 return JNI_ERR; |
5466 } | |
5467 | |
5468 JNIWrapper("AttachCurrentThread"); | |
5469 jint ret = attach_current_thread(vm, penv, _args, false); | |
4006 | 5470 #ifndef USDT2 |
0 | 5471 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
4006 | 5472 #else /* USDT2 */ |
5473 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5474 ret); | |
5475 #endif /* USDT2 */ | |
0 | 5476 return ret; |
5477 } | |
5478 | |
5479 | |
5480 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
4006 | 5481 #ifndef USDT2 |
0 | 5482 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
4006 | 5483 #else /* USDT2 */ |
5484 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
5485 vm); | |
5486 #endif /* USDT2 */ | |
0 | 5487 VM_Exit::block_if_vm_exited(); |
5488 | |
5489 JNIWrapper("DetachCurrentThread"); | |
5490 | |
5491 // If the thread has been deattacted the operations is a no-op | |
5492 if (ThreadLocalStorage::thread() == NULL) { | |
4006 | 5493 #ifndef USDT2 |
0 | 5494 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5495 #else /* USDT2 */ |
5496 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5497 JNI_OK); | |
5498 #endif /* USDT2 */ | |
0 | 5499 return JNI_OK; |
5500 } | |
5501 | |
5502 JavaThread* thread = JavaThread::current(); | |
5503 if (thread->has_last_Java_frame()) { | |
4006 | 5504 #ifndef USDT2 |
0 | 5505 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
4006 | 5506 #else /* USDT2 */ |
5507 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5508 (uint32_t) JNI_ERR); | |
5509 #endif /* USDT2 */ | |
0 | 5510 // Can't detach a thread that's running java, that can't work. |
5511 return JNI_ERR; | |
5512 } | |
5513 | |
5514 // Safepoint support. Have to do call-back to safepoint code, if in the | |
5515 // middel of a safepoint operation | |
5516 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5517 | |
5518 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
5519 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
5520 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
5521 // of the guards is visible in jni_AttachCurrentThread above, | |
5522 // the removal of the guards is buried below in JavaThread::exit() | |
5523 // here. The abstraction should be more symmetrically either exposed | |
5524 // or hidden (e.g. it could probably be hidden in the same | |
5525 // (platform-dependent) methods where we do alternate stack | |
5526 // maintenance work?) | |
5527 thread->exit(false, JavaThread::jni_detach); | |
5528 delete thread; | |
5529 | |
4006 | 5530 #ifndef USDT2 |
0 | 5531 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5532 #else /* USDT2 */ |
5533 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5534 JNI_OK); | |
5535 #endif /* USDT2 */ | |
0 | 5536 return JNI_OK; |
5537 } | |
5538 | |
4006 | 5539 #ifndef USDT2 |
0 | 5540 DT_RETURN_MARK_DECL(GetEnv, jint); |
4006 | 5541 #else /* USDT2 */ |
5542 DT_RETURN_MARK_DECL(GetEnv, jint | |
5543 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
5544 #endif /* USDT2 */ | |
0 | 5545 |
5546 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
4006 | 5547 #ifndef USDT2 |
0 | 5548 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
4006 | 5549 #else /* USDT2 */ |
5550 HOTSPOT_JNI_GETENV_ENTRY( | |
5551 vm, penv, version); | |
5552 #endif /* USDT2 */ | |
0 | 5553 jint ret = JNI_ERR; |
5554 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
5555 | |
5556 if (!vm_created) { | |
5557 *penv = NULL; | |
5558 ret = JNI_EDETACHED; | |
5559 return ret; | |
5560 } | |
5561 | |
4800
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parents:
4708
diff
changeset
|
5562 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
0 | 5563 return ret; |
5564 } | |
5565 | |
5566 #ifndef JVMPI_VERSION_1 | |
5567 // need these in order to be polite about older agents | |
5568 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
5569 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
5570 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
5571 #endif // !JVMPI_VERSION_1 | |
5572 | |
5573 Thread* thread = ThreadLocalStorage::thread(); | |
5574 if (thread != NULL && thread->is_Java_thread()) { | |
5575 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
5576 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
5577 ret = JNI_OK; | |
5578 return ret; | |
5579 | |
5580 } else if (version == JVMPI_VERSION_1 || | |
5581 version == JVMPI_VERSION_1_1 || | |
5582 version == JVMPI_VERSION_1_2) { | |
5583 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
5584 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5585 ret = JNI_EVERSION; | |
5586 return ret; | |
5587 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
5588 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
5589 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5590 ret = JNI_EVERSION; | |
5591 return ret; | |
5592 } else { | |
5593 *penv = NULL; | |
5594 ret = JNI_EVERSION; | |
5595 return ret; | |
5596 } | |
5597 } else { | |
5598 *penv = NULL; | |
5599 ret = JNI_EDETACHED; | |
5600 return ret; | |
5601 } | |
5602 } | |
5603 | |
5604 | |
5605 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5606 #ifndef USDT2 |
0 | 5607 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
4006 | 5608 #else /* USDT2 */ |
5609 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
5610 vm, penv, _args); | |
5611 #endif /* USDT2 */ | |
0 | 5612 if (!vm_created) { |
4006 | 5613 #ifndef USDT2 |
0 | 5614 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
4006 | 5615 #else /* USDT2 */ |
5616 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5617 (uint32_t) JNI_ERR); | |
5618 #endif /* USDT2 */ | |
0 | 5619 return JNI_ERR; |
5620 } | |
5621 | |
5622 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
5623 jint ret = attach_current_thread(vm, penv, _args, true); | |
4006 | 5624 #ifndef USDT2 |
0 | 5625 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
4006 | 5626 #else /* USDT2 */ |
5627 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5628 ret); | |
5629 #endif /* USDT2 */ | |
0 | 5630 return ret; |
5631 } | |
5632 | |
5633 | |
5634 } // End extern "C" | |
5635 | |
5636 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
5637 NULL, | |
5638 NULL, | |
5639 NULL, | |
5640 | |
5641 jni_DestroyJavaVM, | |
5642 jni_AttachCurrentThread, | |
5643 jni_DetachCurrentThread, | |
5644 jni_GetEnv, | |
5645 jni_AttachCurrentThreadAsDaemon | |
5646 }; |