Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 6294:b0fc02623974
exclude TestPrograms from JaCoCo processing
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 28 Aug 2012 13:55:11 +0200 |
parents | 957c266d8bc5 |
children | e522a00b91aa |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
6162 | 26 #include "classfile/altHashing.hpp" |
1972 | 27 #include "classfile/classLoader.hpp" |
28 #include "classfile/javaClasses.hpp" | |
29 #include "classfile/symbolTable.hpp" | |
30 #include "classfile/systemDictionary.hpp" | |
31 #include "classfile/vmSymbols.hpp" | |
32 #include "interpreter/linkResolver.hpp" | |
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33 #ifdef GRAAL |
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34 #include "graal/graalCompiler.hpp" |
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35 #endif |
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36 #ifdef HIGH_LEVEL_INTERPRETER |
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37 #include "graal/graalVMToInterpreter.hpp" |
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38 #endif |
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39 #ifndef SERIALGC |
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40 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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41 #endif // SERIALGC |
6197 | 42 #include "memory/allocation.hpp" |
1972 | 43 #include "memory/allocation.inline.hpp" |
44 #include "memory/gcLocker.inline.hpp" | |
45 #include "memory/oopFactory.hpp" | |
46 #include "memory/universe.inline.hpp" | |
47 #include "oops/instanceKlass.hpp" | |
48 #include "oops/instanceOop.hpp" | |
49 #include "oops/markOop.hpp" | |
50 #include "oops/methodOop.hpp" | |
51 #include "oops/objArrayKlass.hpp" | |
52 #include "oops/objArrayOop.hpp" | |
53 #include "oops/oop.inline.hpp" | |
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54 #include "oops/symbol.hpp" |
1972 | 55 #include "oops/typeArrayKlass.hpp" |
56 #include "oops/typeArrayOop.hpp" | |
57 #include "prims/jni.h" | |
58 #include "prims/jniCheck.hpp" | |
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59 #include "prims/jniExport.hpp" |
1972 | 60 #include "prims/jniFastGetField.hpp" |
61 #include "prims/jvm.h" | |
62 #include "prims/jvm_misc.hpp" | |
63 #include "prims/jvmtiExport.hpp" | |
64 #include "prims/jvmtiThreadState.hpp" | |
65 #include "runtime/compilationPolicy.hpp" | |
66 #include "runtime/fieldDescriptor.hpp" | |
67 #include "runtime/fprofiler.hpp" | |
68 #include "runtime/handles.inline.hpp" | |
69 #include "runtime/interfaceSupport.hpp" | |
70 #include "runtime/java.hpp" | |
71 #include "runtime/javaCalls.hpp" | |
72 #include "runtime/jfieldIDWorkaround.hpp" | |
73 #include "runtime/reflection.hpp" | |
74 #include "runtime/sharedRuntime.hpp" | |
75 #include "runtime/signature.hpp" | |
76 #include "runtime/vm_operations.hpp" | |
77 #include "services/runtimeService.hpp" | |
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78 #include "trace/tracing.hpp" |
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79 #include "trace/traceEventTypes.hpp" |
1972 | 80 #include "utilities/defaultStream.hpp" |
81 #include "utilities/dtrace.hpp" | |
82 #include "utilities/events.hpp" | |
83 #include "utilities/histogram.hpp" | |
84 #ifdef TARGET_OS_FAMILY_linux | |
85 # include "os_linux.inline.hpp" | |
86 # include "thread_linux.inline.hpp" | |
87 #endif | |
88 #ifdef TARGET_OS_FAMILY_solaris | |
89 # include "os_solaris.inline.hpp" | |
90 # include "thread_solaris.inline.hpp" | |
91 #endif | |
92 #ifdef TARGET_OS_FAMILY_windows | |
93 # include "os_windows.inline.hpp" | |
94 # include "thread_windows.inline.hpp" | |
95 #endif | |
3960 | 96 #ifdef TARGET_OS_FAMILY_bsd |
97 # include "os_bsd.inline.hpp" | |
98 # include "thread_bsd.inline.hpp" | |
99 #endif | |
0 | 100 |
101 static jint CurrentVersion = JNI_VERSION_1_6; | |
102 | |
103 | |
104 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
105 // '-return' probe regardless of the return path is taken out of the function. | |
106 // Methods that have multiple return paths use this to avoid having to | |
107 // instrument each return path. Methods that use CHECK or THROW must use this | |
108 // since those macros can cause an immedate uninstrumented return. | |
109 // | |
110 // In order to get the return value, a reference to the variable containing | |
111 // the return value must be passed to the contructor of the object, and | |
112 // the return value must be set before return (since the mark object has | |
113 // a reference to it). | |
114 // | |
115 // Example: | |
116 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
117 // JNI_ENTRY(int, SomeFunc, ...) | |
118 // int return_value = 0; | |
119 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
120 // foo(CHECK_0) | |
121 // return_value = 5; | |
122 // return return_value; | |
123 // JNI_END | |
4006 | 124 #ifndef USDT2 |
0 | 125 #define DT_RETURN_MARK_DECL(name, type) \ |
126 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
127 DTRACE_ONLY( \ | |
128 class DTraceReturnProbeMark_##name { \ | |
129 public: \ | |
130 const type& _ret_ref; \ | |
131 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
132 ~DTraceReturnProbeMark_##name() { \ | |
133 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
134 } \ | |
135 } \ | |
136 ) | |
137 // Void functions are simpler since there's no return value | |
138 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
139 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
140 DTRACE_ONLY( \ | |
141 class DTraceReturnProbeMark_##name { \ | |
142 public: \ | |
143 ~DTraceReturnProbeMark_##name() { \ | |
144 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
145 } \ | |
146 } \ | |
147 ) | |
148 | |
4006 | 149 #else /* USDT2 */ |
150 | |
151 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
152 DTRACE_ONLY( \ | |
153 class DTraceReturnProbeMark_##name { \ | |
154 public: \ | |
155 const type& _ret_ref; \ | |
156 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
157 ~DTraceReturnProbeMark_##name() { \ | |
158 probe; \ | |
159 } \ | |
160 } \ | |
161 ) | |
162 // Void functions are simpler since there's no return value | |
163 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
164 DTRACE_ONLY( \ | |
165 class DTraceReturnProbeMark_##name { \ | |
166 public: \ | |
167 ~DTraceReturnProbeMark_##name() { \ | |
168 probe; \ | |
169 } \ | |
170 } \ | |
171 ) | |
172 #endif /* USDT2 */ | |
0 | 173 |
174 // Place these macros in the function to mark the return. Non-void | |
175 // functions need the type and address of the return value. | |
176 #define DT_RETURN_MARK(name, type, ref) \ | |
177 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
178 #define DT_VOID_RETURN_MARK(name) \ | |
179 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
180 | |
181 | |
182 // Use these to select distinct code for floating-point vs. non-floating point | |
183 // situations. Used from within common macros where we need slightly | |
184 // different behavior for Float/Double | |
185 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
186 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
187 #define FP_SELECT_Char(intcode, fpcode) intcode | |
188 #define FP_SELECT_Short(intcode, fpcode) intcode | |
189 #define FP_SELECT_Object(intcode, fpcode) intcode | |
190 #define FP_SELECT_Int(intcode, fpcode) intcode | |
191 #define FP_SELECT_Long(intcode, fpcode) intcode | |
192 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
193 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
194 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
195 FP_SELECT_##TypeName(intcode, fpcode) | |
196 | |
197 #define COMMA , | |
198 | |
199 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
200 // (dtrace doesn't do FP yet) | |
4006 | 201 #ifndef USDT2 |
0 | 202 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
203 FP_SELECT(TypeName, \ | |
204 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
4006 | 205 #else /* USDT2 */ |
206 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
207 FP_SELECT(TypeName, \ | |
208 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
209 #endif /* USDT2 */ | |
0 | 210 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
211 FP_SELECT(TypeName, \ | |
212 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
213 | |
214 | |
215 // out-of-line helpers for class jfieldIDWorkaround: | |
216 | |
217 bool jfieldIDWorkaround::is_valid_jfieldID(klassOop k, jfieldID id) { | |
218 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { | |
219 uintptr_t as_uint = (uintptr_t) id; | |
220 intptr_t offset = raw_instance_offset(id); | |
221 if (is_checked_jfieldID(id)) { | |
222 if (!klass_hash_ok(k, id)) { | |
223 return false; | |
224 } | |
225 } | |
226 return instanceKlass::cast(k)->contains_field_offset(offset); | |
227 } else { | |
228 JNIid* result = (JNIid*) id; | |
229 #ifdef ASSERT | |
230 return result != NULL && result->is_static_field_id(); | |
231 #else | |
232 return result != NULL; | |
233 #endif | |
234 } | |
235 } | |
236 | |
237 | |
238 intptr_t jfieldIDWorkaround::encode_klass_hash(klassOop k, intptr_t offset) { | |
239 if (offset <= small_offset_mask) { | |
240 klassOop field_klass = k; | |
241 klassOop super_klass = Klass::cast(field_klass)->super(); | |
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242 // With compressed oops the most super class with nonstatic fields would |
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243 // be the owner of fields embedded in the header. |
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244 while (instanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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245 instanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
0 | 246 field_klass = super_klass; // super contains the field also |
247 super_klass = Klass::cast(field_klass)->super(); | |
248 } | |
249 debug_only(No_Safepoint_Verifier nosafepoint;) | |
250 uintptr_t klass_hash = field_klass->identity_hash(); | |
251 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
252 } else { | |
253 #if 0 | |
254 #ifndef PRODUCT | |
255 { | |
256 ResourceMark rm; | |
257 warning("VerifyJNIFields: long offset %d in %s", offset, Klass::cast(k)->external_name()); | |
258 } | |
259 #endif | |
260 #endif | |
261 return 0; | |
262 } | |
263 } | |
264 | |
265 bool jfieldIDWorkaround::klass_hash_ok(klassOop k, jfieldID id) { | |
266 uintptr_t as_uint = (uintptr_t) id; | |
267 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
268 do { | |
269 debug_only(No_Safepoint_Verifier nosafepoint;) | |
270 // Could use a non-blocking query for identity_hash here... | |
271 if ((k->identity_hash() & klass_mask) == klass_hash) | |
272 return true; | |
273 k = Klass::cast(k)->super(); | |
274 } while (k != NULL); | |
275 return false; | |
276 } | |
277 | |
278 void jfieldIDWorkaround::verify_instance_jfieldID(klassOop k, jfieldID id) { | |
279 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); | |
280 uintptr_t as_uint = (uintptr_t) id; | |
281 intptr_t offset = raw_instance_offset(id); | |
282 if (VerifyJNIFields) { | |
283 if (is_checked_jfieldID(id)) { | |
284 guarantee(klass_hash_ok(k, id), | |
285 "Bug in native code: jfieldID class must match object"); | |
286 } else { | |
287 #if 0 | |
288 #ifndef PRODUCT | |
289 if (Verbose) { | |
290 ResourceMark rm; | |
291 warning("VerifyJNIFields: unverified offset %d for %s", offset, Klass::cast(k)->external_name()); | |
292 } | |
293 #endif | |
294 #endif | |
295 } | |
296 } | |
297 guarantee(instanceKlass::cast(k)->contains_field_offset(offset), | |
298 "Bug in native code: jfieldID offset must address interior of object"); | |
299 } | |
300 | |
301 // Pick a reasonable higher bound for local capacity requested | |
302 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
303 // high because a test (or very unusual application) may try to allocate | |
304 // that many handles and run out of swap space. An implementation is | |
305 // permitted to allocate more handles than the ensured capacity, so this | |
306 // value is set high enough to prevent compatibility problems. | |
307 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
308 | |
309 | |
310 // Wrapper to trace JNI functions | |
311 | |
312 #ifdef ASSERT | |
313 Histogram* JNIHistogram; | |
314 static volatile jint JNIHistogram_lock = 0; | |
315 | |
316 class JNITraceWrapper : public StackObj { | |
317 public: | |
318 JNITraceWrapper(const char* format, ...) { | |
319 if (TraceJNICalls) { | |
320 va_list ap; | |
321 va_start(ap, format); | |
322 tty->print("JNI "); | |
323 tty->vprint_cr(format, ap); | |
324 va_end(ap); | |
325 } | |
326 } | |
327 }; | |
328 | |
329 class JNIHistogramElement : public HistogramElement { | |
330 public: | |
331 JNIHistogramElement(const char* name); | |
332 }; | |
333 | |
334 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
335 _name = elementName; | |
336 uintx count = 0; | |
337 | |
338 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
339 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
340 count +=1; | |
341 if ( (WarnOnStalledSpinLock > 0) | |
342 && (count % WarnOnStalledSpinLock == 0)) { | |
343 warning("JNIHistogram_lock seems to be stalled"); | |
344 } | |
345 } | |
346 } | |
347 | |
348 | |
349 if(JNIHistogram == NULL) | |
350 JNIHistogram = new Histogram("JNI Call Counts",100); | |
351 | |
352 JNIHistogram->add_element(this); | |
353 Atomic::dec(&JNIHistogram_lock); | |
354 } | |
355 | |
356 #define JNICountWrapper(arg) \ | |
357 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
358 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
359 if (e != NULL) e->increment_count() | |
360 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
361 #else | |
362 #define JNIWrapper(arg) | |
363 #endif | |
364 | |
365 | |
366 // Implementation of JNI entries | |
367 | |
4006 | 368 #ifndef USDT2 |
0 | 369 DT_RETURN_MARK_DECL(DefineClass, jclass); |
4006 | 370 #else /* USDT2 */ |
371 DT_RETURN_MARK_DECL(DefineClass, jclass | |
372 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
373 #endif /* USDT2 */ | |
0 | 374 |
375 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
376 const jbyte *buf, jsize bufLen)) | |
377 JNIWrapper("DefineClass"); | |
378 | |
4006 | 379 #ifndef USDT2 |
0 | 380 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
381 env, name, loaderRef, buf, bufLen); | |
4006 | 382 #else /* USDT2 */ |
383 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
384 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
385 #endif /* USDT2 */ | |
0 | 386 jclass cls = NULL; |
387 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
388 | |
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389 TempNewSymbol class_name = NULL; |
0 | 390 // Since exceptions can be thrown, class initialization can take place |
391 // if name is NULL no check for class name in .class stream has to be made. | |
392 if (name != NULL) { | |
393 const int str_len = (int)strlen(name); | |
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394 if (str_len > Symbol::max_length()) { |
0 | 395 // It's impossible to create this class; the name cannot fit |
396 // into the constant pool. | |
397 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
398 } | |
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399 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 400 } |
401 ResourceMark rm(THREAD); | |
402 ClassFileStream st((u1*) buf, bufLen, NULL); | |
403 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
404 | |
405 if (UsePerfData && !class_loader.is_null()) { | |
406 // check whether the current caller thread holds the lock or not. | |
407 // If not, increment the corresponding counter | |
408 if (ObjectSynchronizer:: | |
409 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
410 ObjectSynchronizer::owner_self) { | |
411 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
412 } | |
413 } | |
414 klassOop k = SystemDictionary::resolve_from_stream(class_name, class_loader, | |
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415 Handle(), &st, true, |
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416 CHECK_NULL); |
0 | 417 |
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418 if (TraceClassResolution && k != NULL) { |
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419 trace_class_resolution(k); |
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420 } |
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421 |
0 | 422 cls = (jclass)JNIHandles::make_local( |
423 env, Klass::cast(k)->java_mirror()); | |
424 return cls; | |
425 JNI_END | |
426 | |
427 | |
428 | |
429 static bool first_time_FindClass = true; | |
430 | |
4006 | 431 #ifndef USDT2 |
0 | 432 DT_RETURN_MARK_DECL(FindClass, jclass); |
4006 | 433 #else /* USDT2 */ |
434 DT_RETURN_MARK_DECL(FindClass, jclass | |
435 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
436 #endif /* USDT2 */ | |
0 | 437 |
438 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
439 JNIWrapper("FindClass"); | |
4006 | 440 #ifndef USDT2 |
0 | 441 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
4006 | 442 #else /* USDT2 */ |
443 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
444 env, (char *)name); | |
445 #endif /* USDT2 */ | |
0 | 446 |
447 jclass result = NULL; | |
448 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
449 | |
450 // Remember if we are the first invocation of jni_FindClass | |
451 bool first_time = first_time_FindClass; | |
452 first_time_FindClass = false; | |
453 | |
454 // Sanity check the name: it cannot be null or larger than the maximum size | |
455 // name we can fit in the constant pool. | |
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456 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
0 | 457 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
458 } | |
459 | |
460 //%note jni_3 | |
461 Handle loader; | |
462 Handle protection_domain; | |
463 // Find calling class | |
464 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
465 if (k.not_null()) { | |
466 loader = Handle(THREAD, k->class_loader()); | |
467 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
468 // in the correct class context. | |
469 if (loader.is_null() && | |
470 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
471 JavaValue result(T_OBJECT); | |
472 JavaCalls::call_static(&result, k, | |
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473 vmSymbols::getFromClass_name(), |
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474 vmSymbols::void_class_signature(), |
0 | 475 thread); |
476 if (HAS_PENDING_EXCEPTION) { | |
477 Handle ex(thread, thread->pending_exception()); | |
478 CLEAR_PENDING_EXCEPTION; | |
479 THROW_HANDLE_0(ex); | |
480 } | |
481 oop mirror = (oop) result.get_jobject(); | |
482 loader = Handle(THREAD, | |
483 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->class_loader()); | |
484 protection_domain = Handle(THREAD, | |
485 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->protection_domain()); | |
486 } | |
487 } else { | |
488 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
489 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
490 } | |
491 | |
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492 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 493 result = find_class_from_class_loader(env, sym, true, loader, |
494 protection_domain, true, thread); | |
495 | |
657
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496 if (TraceClassResolution && result != NULL) { |
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497 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
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498 } |
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499 |
0 | 500 // If we were the first invocation of jni_FindClass, we enable compilation again |
501 // rather than just allowing invocation counter to overflow and decay. | |
502 // Controlled by flag DelayCompilationDuringStartup. | |
503 if (first_time && !CompileTheWorld) | |
504 CompilationPolicy::completed_vm_startup(); | |
505 | |
506 return result; | |
507 JNI_END | |
508 | |
4006 | 509 #ifndef USDT2 |
0 | 510 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
4006 | 511 #else /* USDT2 */ |
512 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
513 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
514 #endif /* USDT2 */ | |
0 | 515 |
516 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
517 JNIWrapper("FromReflectedMethod"); | |
4006 | 518 #ifndef USDT2 |
0 | 519 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
4006 | 520 #else /* USDT2 */ |
521 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
522 env, method); | |
523 #endif /* USDT2 */ | |
0 | 524 jmethodID ret = NULL; |
525 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
526 | |
527 // method is a handle to a java.lang.reflect.Method object | |
528 oop reflected = JNIHandles::resolve_non_null(method); | |
529 oop mirror = NULL; | |
530 int slot = 0; | |
531 | |
1142 | 532 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
0 | 533 mirror = java_lang_reflect_Constructor::clazz(reflected); |
534 slot = java_lang_reflect_Constructor::slot(reflected); | |
535 } else { | |
1142 | 536 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
0 | 537 mirror = java_lang_reflect_Method::clazz(reflected); |
538 slot = java_lang_reflect_Method::slot(reflected); | |
539 } | |
540 klassOop k = java_lang_Class::as_klassOop(mirror); | |
541 | |
542 KlassHandle k1(THREAD, k); | |
543 // Make sure class is initialized before handing id's out to methods | |
544 Klass::cast(k1())->initialize(CHECK_NULL); | |
545 methodOop m = instanceKlass::cast(k1())->method_with_idnum(slot); | |
546 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted | |
547 return ret; | |
548 JNI_END | |
549 | |
4006 | 550 #ifndef USDT2 |
0 | 551 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
4006 | 552 #else /* USDT2 */ |
553 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
554 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
555 #endif /* USDT2 */ | |
0 | 556 |
557 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
558 JNIWrapper("FromReflectedField"); | |
4006 | 559 #ifndef USDT2 |
0 | 560 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
4006 | 561 #else /* USDT2 */ |
562 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
563 env, field); | |
564 #endif /* USDT2 */ | |
0 | 565 jfieldID ret = NULL; |
566 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
567 | |
568 // field is a handle to a java.lang.reflect.Field object | |
569 oop reflected = JNIHandles::resolve_non_null(field); | |
570 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
571 klassOop k = java_lang_Class::as_klassOop(mirror); | |
572 int slot = java_lang_reflect_Field::slot(reflected); | |
573 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
574 | |
575 KlassHandle k1(THREAD, k); | |
576 // Make sure class is initialized before handing id's out to fields | |
577 Klass::cast(k1())->initialize(CHECK_NULL); | |
578 | |
579 // First check if this is a static field | |
580 if (modifiers & JVM_ACC_STATIC) { | |
3938 | 581 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
0 | 582 JNIid* id = instanceKlass::cast(k1())->jni_id_for(offset); |
583 assert(id != NULL, "corrupt Field object"); | |
584 debug_only(id->set_is_static_field_id();) | |
585 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
586 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
587 return ret; | |
588 } | |
589 | |
590 // The slot is the index of the field description in the field-array | |
591 // The jfieldID is the offset of the field within the object | |
592 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
3938 | 593 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
0 | 594 assert(instanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
595 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); | |
596 return ret; | |
597 JNI_END | |
598 | |
4006 | 599 #ifndef USDT2 |
0 | 600 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
4006 | 601 #else /* USDT2 */ |
602 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
603 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
604 #endif /* USDT2 */ | |
0 | 605 |
606 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
607 JNIWrapper("ToReflectedMethod"); | |
4006 | 608 #ifndef USDT2 |
0 | 609 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
4006 | 610 #else /* USDT2 */ |
611 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
612 env, cls, (uintptr_t) method_id, isStatic); | |
613 #endif /* USDT2 */ | |
0 | 614 jobject ret = NULL; |
615 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
616 | |
617 methodHandle m (THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
618 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); | |
619 oop reflection_method; | |
620 if (m->is_initializer()) { | |
621 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
622 } else { | |
623 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
624 } | |
625 ret = JNIHandles::make_local(env, reflection_method); | |
626 return ret; | |
627 JNI_END | |
628 | |
4006 | 629 #ifndef USDT2 |
0 | 630 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
4006 | 631 #else /* USDT2 */ |
632 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
633 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
634 #endif /* USDT2 */ | |
0 | 635 |
636 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
637 JNIWrapper("GetSuperclass"); | |
4006 | 638 #ifndef USDT2 |
0 | 639 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
4006 | 640 #else /* USDT2 */ |
641 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
642 env, sub); | |
643 #endif /* USDT2 */ | |
0 | 644 jclass obj = NULL; |
645 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
646 | |
647 oop mirror = JNIHandles::resolve_non_null(sub); | |
648 // primitive classes return NULL | |
649 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
650 | |
651 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
652 // arrays return Object | |
653 // interfaces return NULL | |
654 // proper classes return Klass::super() | |
655 klassOop k = java_lang_Class::as_klassOop(mirror); | |
656 if (Klass::cast(k)->is_interface()) return NULL; | |
657 | |
658 // return mirror for superclass | |
659 klassOop super = Klass::cast(k)->java_super(); | |
660 // super2 is the value computed by the compiler's getSuperClass intrinsic: | |
661 debug_only(klassOop super2 = ( Klass::cast(k)->oop_is_javaArray() | |
1142 | 662 ? SystemDictionary::Object_klass() |
0 | 663 : Klass::cast(k)->super() ) ); |
664 assert(super == super2, | |
665 "java_super computation depends on interface, array, other super"); | |
666 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(Klass::cast(super)->java_mirror()); | |
667 return obj; | |
668 JNI_END | |
669 | |
670 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
671 JNIWrapper("IsSubclassOf"); | |
4006 | 672 #ifndef USDT2 |
0 | 673 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
4006 | 674 #else /* USDT2 */ |
675 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
676 env, sub, super); | |
677 #endif /* USDT2 */ | |
0 | 678 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
679 oop super_mirror = JNIHandles::resolve_non_null(super); | |
680 if (java_lang_Class::is_primitive(sub_mirror) || | |
681 java_lang_Class::is_primitive(super_mirror)) { | |
682 jboolean ret = (sub_mirror == super_mirror); | |
4006 | 683 #ifndef USDT2 |
0 | 684 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 685 #else /* USDT2 */ |
686 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
687 ret); | |
688 #endif /* USDT2 */ | |
0 | 689 return ret; |
690 } | |
691 klassOop sub_klass = java_lang_Class::as_klassOop(sub_mirror); | |
692 klassOop super_klass = java_lang_Class::as_klassOop(super_mirror); | |
693 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); | |
694 jboolean ret = Klass::cast(sub_klass)->is_subtype_of(super_klass) ? | |
695 JNI_TRUE : JNI_FALSE; | |
4006 | 696 #ifndef USDT2 |
0 | 697 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 698 #else /* USDT2 */ |
699 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
700 ret); | |
701 #endif /* USDT2 */ | |
0 | 702 return ret; |
703 JNI_END | |
704 | |
4006 | 705 #ifndef USDT2 |
0 | 706 DT_RETURN_MARK_DECL(Throw, jint); |
4006 | 707 #else /* USDT2 */ |
708 DT_RETURN_MARK_DECL(Throw, jint | |
709 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
710 #endif /* USDT2 */ | |
0 | 711 |
712 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
713 JNIWrapper("Throw"); | |
4006 | 714 #ifndef USDT2 |
0 | 715 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
4006 | 716 #else /* USDT2 */ |
717 HOTSPOT_JNI_THROW_ENTRY( | |
718 env, obj); | |
719 #endif /* USDT2 */ | |
0 | 720 jint ret = JNI_OK; |
721 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
722 | |
723 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
724 ShouldNotReachHere(); | |
725 JNI_END | |
726 | |
4006 | 727 #ifndef USDT2 |
0 | 728 DT_RETURN_MARK_DECL(ThrowNew, jint); |
4006 | 729 #else /* USDT2 */ |
730 DT_RETURN_MARK_DECL(ThrowNew, jint | |
731 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
732 #endif /* USDT2 */ | |
0 | 733 |
734 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
735 JNIWrapper("ThrowNew"); | |
4006 | 736 #ifndef USDT2 |
0 | 737 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
4006 | 738 #else /* USDT2 */ |
739 HOTSPOT_JNI_THROWNEW_ENTRY( | |
740 env, clazz, (char *) message); | |
741 #endif /* USDT2 */ | |
0 | 742 jint ret = JNI_OK; |
743 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
744 | |
745 instanceKlass* k = instanceKlass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
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746 Symbol* name = k->name(); |
0 | 747 Handle class_loader (THREAD, k->class_loader()); |
748 Handle protection_domain (THREAD, k->protection_domain()); | |
749 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
750 ShouldNotReachHere(); | |
751 JNI_END | |
752 | |
753 | |
754 // JNI functions only transform a pending async exception to a synchronous | |
755 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
756 // delivering an async exception in other places won't change the native | |
757 // code's control flow and would be harmful when native code further calls | |
758 // JNI functions with a pending exception. Async exception is also checked | |
759 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
760 // false but deliver the async exception at the very end during | |
761 // state transition. | |
762 | |
763 static void jni_check_async_exceptions(JavaThread *thread) { | |
764 assert(thread == Thread::current(), "must be itself"); | |
765 thread->check_and_handle_async_exceptions(); | |
766 } | |
767 | |
768 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
769 JNIWrapper("ExceptionOccurred"); | |
4006 | 770 #ifndef USDT2 |
0 | 771 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
4006 | 772 #else /* USDT2 */ |
773 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
774 env); | |
775 #endif /* USDT2 */ | |
0 | 776 jni_check_async_exceptions(thread); |
777 oop exception = thread->pending_exception(); | |
778 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
4006 | 779 #ifndef USDT2 |
0 | 780 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
4006 | 781 #else /* USDT2 */ |
782 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
783 ret); | |
784 #endif /* USDT2 */ | |
0 | 785 return ret; |
786 JNI_END | |
787 | |
788 | |
789 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
790 JNIWrapper("ExceptionDescribe"); | |
4006 | 791 #ifndef USDT2 |
0 | 792 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
4006 | 793 #else /* USDT2 */ |
794 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
795 env); | |
796 #endif /* USDT2 */ | |
0 | 797 if (thread->has_pending_exception()) { |
798 Handle ex(thread, thread->pending_exception()); | |
799 thread->clear_pending_exception(); | |
1142 | 800 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
0 | 801 // Don't print anything if we are being killed. |
802 } else { | |
803 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
804 if (thread != NULL && thread->threadObj() != NULL) { | |
805 ResourceMark rm(THREAD); | |
806 jio_fprintf(defaultStream::error_stream(), | |
807 "in thread \"%s\" ", thread->get_thread_name()); | |
808 } | |
1142 | 809 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
0 | 810 JavaValue result(T_VOID); |
811 JavaCalls::call_virtual(&result, | |
812 ex, | |
813 KlassHandle(THREAD, | |
1142 | 814 SystemDictionary::Throwable_klass()), |
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815 vmSymbols::printStackTrace_name(), |
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816 vmSymbols::void_method_signature(), |
0 | 817 THREAD); |
818 // If an exception is thrown in the call it gets thrown away. Not much | |
819 // we can do with it. The native code that calls this, does not check | |
820 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
821 // called, potentially causing a few asserts to trigger - since no pending exception | |
822 // is expected. | |
823 CLEAR_PENDING_EXCEPTION; | |
824 } else { | |
825 ResourceMark rm(THREAD); | |
826 jio_fprintf(defaultStream::error_stream(), | |
827 ". Uncaught exception of type %s.", | |
828 Klass::cast(ex->klass())->external_name()); | |
829 } | |
830 } | |
831 } | |
4006 | 832 #ifndef USDT2 |
0 | 833 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
4006 | 834 #else /* USDT2 */ |
835 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
836 ); | |
837 #endif /* USDT2 */ | |
0 | 838 JNI_END |
839 | |
840 | |
841 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
842 JNIWrapper("ExceptionClear"); | |
4006 | 843 #ifndef USDT2 |
0 | 844 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
4006 | 845 #else /* USDT2 */ |
846 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
847 env); | |
848 #endif /* USDT2 */ | |
0 | 849 |
850 // The jni code might be using this API to clear java thrown exception. | |
851 // So just mark jvmti thread exception state as exception caught. | |
852 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
853 if (state != NULL && state->is_exception_detected()) { | |
854 state->set_exception_caught(); | |
855 } | |
856 thread->clear_pending_exception(); | |
4006 | 857 #ifndef USDT2 |
0 | 858 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
4006 | 859 #else /* USDT2 */ |
860 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
861 ); | |
862 #endif /* USDT2 */ | |
0 | 863 JNI_END |
864 | |
865 | |
866 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
867 JNIWrapper("FatalError"); | |
4006 | 868 #ifndef USDT2 |
0 | 869 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
4006 | 870 #else /* USDT2 */ |
871 HOTSPOT_JNI_FATALERROR_ENTRY( | |
872 env, (char *) msg); | |
873 #endif /* USDT2 */ | |
0 | 874 tty->print_cr("FATAL ERROR in native method: %s", msg); |
875 thread->print_stack(); | |
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876 os::abort(); // Dump core and abort |
0 | 877 JNI_END |
878 | |
879 | |
880 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
881 JNIWrapper("PushLocalFrame"); | |
4006 | 882 #ifndef USDT2 |
0 | 883 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
4006 | 884 #else /* USDT2 */ |
885 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
886 env, capacity); | |
887 #endif /* USDT2 */ | |
0 | 888 //%note jni_11 |
889 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
4006 | 890 #ifndef USDT2 |
0 | 891 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
4006 | 892 #else /* USDT2 */ |
893 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
894 (uint32_t)JNI_ERR); | |
895 #endif /* USDT2 */ | |
0 | 896 return JNI_ERR; |
897 } | |
898 JNIHandleBlock* old_handles = thread->active_handles(); | |
899 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
900 assert(new_handles != NULL, "should not be NULL"); | |
901 new_handles->set_pop_frame_link(old_handles); | |
902 thread->set_active_handles(new_handles); | |
903 jint ret = JNI_OK; | |
4006 | 904 #ifndef USDT2 |
0 | 905 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
4006 | 906 #else /* USDT2 */ |
907 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
908 ret); | |
909 #endif /* USDT2 */ | |
0 | 910 return ret; |
911 JNI_END | |
912 | |
913 | |
914 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
915 JNIWrapper("PopLocalFrame"); | |
4006 | 916 #ifndef USDT2 |
0 | 917 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
4006 | 918 #else /* USDT2 */ |
919 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
920 env, result); | |
921 #endif /* USDT2 */ | |
0 | 922 //%note jni_11 |
923 Handle result_handle(thread, JNIHandles::resolve(result)); | |
924 JNIHandleBlock* old_handles = thread->active_handles(); | |
925 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
926 if (new_handles != NULL) { | |
927 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
928 // This way code will still work if PopLocalFrame is called without a corresponding | |
929 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
930 // the release_block call will release the blocks. | |
931 thread->set_active_handles(new_handles); | |
932 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
933 JNIHandleBlock::release_block(old_handles, thread); // may block | |
934 result = JNIHandles::make_local(thread, result_handle()); | |
935 } | |
4006 | 936 #ifndef USDT2 |
0 | 937 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
4006 | 938 #else /* USDT2 */ |
939 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
940 result); | |
941 #endif /* USDT2 */ | |
0 | 942 return result; |
943 JNI_END | |
944 | |
945 | |
946 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
947 JNIWrapper("NewGlobalRef"); | |
4006 | 948 #ifndef USDT2 |
0 | 949 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
4006 | 950 #else /* USDT2 */ |
951 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
952 env, ref); | |
953 #endif /* USDT2 */ | |
0 | 954 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
955 jobject ret = JNIHandles::make_global(ref_handle); | |
4006 | 956 #ifndef USDT2 |
0 | 957 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
4006 | 958 #else /* USDT2 */ |
959 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
960 ret); | |
961 #endif /* USDT2 */ | |
0 | 962 return ret; |
963 JNI_END | |
964 | |
965 // Must be JNI_ENTRY (with HandleMark) | |
966 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
967 JNIWrapper("DeleteGlobalRef"); | |
4006 | 968 #ifndef USDT2 |
0 | 969 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
4006 | 970 #else /* USDT2 */ |
971 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
972 env, ref); | |
973 #endif /* USDT2 */ | |
0 | 974 JNIHandles::destroy_global(ref); |
4006 | 975 #ifndef USDT2 |
0 | 976 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
4006 | 977 #else /* USDT2 */ |
978 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
979 ); | |
980 #endif /* USDT2 */ | |
0 | 981 JNI_END |
982 | |
983 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
984 JNIWrapper("DeleteLocalRef"); | |
4006 | 985 #ifndef USDT2 |
0 | 986 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
4006 | 987 #else /* USDT2 */ |
988 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
989 env, obj); | |
990 #endif /* USDT2 */ | |
0 | 991 JNIHandles::destroy_local(obj); |
4006 | 992 #ifndef USDT2 |
0 | 993 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
4006 | 994 #else /* USDT2 */ |
995 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
996 ); | |
997 #endif /* USDT2 */ | |
0 | 998 JNI_END |
999 | |
1000 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
1001 JNIWrapper("IsSameObject"); | |
4006 | 1002 #ifndef USDT2 |
0 | 1003 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
4006 | 1004 #else /* USDT2 */ |
1005 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
1006 env, r1, r2); | |
1007 #endif /* USDT2 */ | |
0 | 1008 oop a = JNIHandles::resolve(r1); |
1009 oop b = JNIHandles::resolve(r2); | |
1010 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
4006 | 1011 #ifndef USDT2 |
0 | 1012 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
4006 | 1013 #else /* USDT2 */ |
1014 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
1015 ret); | |
1016 #endif /* USDT2 */ | |
0 | 1017 return ret; |
1018 JNI_END | |
1019 | |
1020 | |
1021 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
1022 JNIWrapper("NewLocalRef"); | |
4006 | 1023 #ifndef USDT2 |
0 | 1024 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
4006 | 1025 #else /* USDT2 */ |
1026 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
1027 env, ref); | |
1028 #endif /* USDT2 */ | |
0 | 1029 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
4006 | 1030 #ifndef USDT2 |
0 | 1031 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
4006 | 1032 #else /* USDT2 */ |
1033 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
1034 ret); | |
1035 #endif /* USDT2 */ | |
0 | 1036 return ret; |
1037 JNI_END | |
1038 | |
1039 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
1040 JNIWrapper("EnsureLocalCapacity"); | |
4006 | 1041 #ifndef USDT2 |
0 | 1042 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
4006 | 1043 #else /* USDT2 */ |
1044 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
1045 env, capacity); | |
1046 #endif /* USDT2 */ | |
0 | 1047 jint ret; |
1048 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
1049 ret = JNI_OK; | |
1050 } else { | |
1051 ret = JNI_ERR; | |
1052 } | |
4006 | 1053 #ifndef USDT2 |
0 | 1054 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
4006 | 1055 #else /* USDT2 */ |
1056 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
1057 ret); | |
1058 #endif /* USDT2 */ | |
0 | 1059 return ret; |
1060 JNI_END | |
1061 | |
1062 // Return the Handle Type | |
1063 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
1064 JNIWrapper("GetObjectRefType"); | |
4006 | 1065 #ifndef USDT2 |
0 | 1066 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
4006 | 1067 #else /* USDT2 */ |
1068 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
1069 env, obj); | |
1070 #endif /* USDT2 */ | |
0 | 1071 jobjectRefType ret; |
1072 if (JNIHandles::is_local_handle(thread, obj) || | |
1073 JNIHandles::is_frame_handle(thread, obj)) | |
1074 ret = JNILocalRefType; | |
1075 else if (JNIHandles::is_global_handle(obj)) | |
1076 ret = JNIGlobalRefType; | |
1077 else if (JNIHandles::is_weak_global_handle(obj)) | |
1078 ret = JNIWeakGlobalRefType; | |
1079 else | |
1080 ret = JNIInvalidRefType; | |
4006 | 1081 #ifndef USDT2 |
0 | 1082 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
4006 | 1083 #else /* USDT2 */ |
1084 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
1085 (void *) ret); | |
1086 #endif /* USDT2 */ | |
0 | 1087 return ret; |
1088 JNI_END | |
1089 | |
1090 | |
1091 class JNI_ArgumentPusher : public SignatureIterator { | |
1092 protected: | |
1093 JavaCallArguments* _arguments; | |
1094 | |
1095 virtual void get_bool () = 0; | |
1096 virtual void get_char () = 0; | |
1097 virtual void get_short () = 0; | |
1098 virtual void get_byte () = 0; | |
1099 virtual void get_int () = 0; | |
1100 virtual void get_long () = 0; | |
1101 virtual void get_float () = 0; | |
1102 virtual void get_double () = 0; | |
1103 virtual void get_object () = 0; | |
1104 | |
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1105 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
0 | 1106 this->_return_type = T_ILLEGAL; |
1107 _arguments = NULL; | |
1108 } | |
1109 | |
1110 public: | |
1111 virtual void iterate( uint64_t fingerprint ) = 0; | |
1112 | |
1113 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
1114 | |
1115 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
1116 inline void do_char() { if (!is_return_type()) get_char(); } | |
1117 inline void do_short() { if (!is_return_type()) get_short(); } | |
1118 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
1119 inline void do_int() { if (!is_return_type()) get_int(); } | |
1120 inline void do_long() { if (!is_return_type()) get_long(); } | |
1121 inline void do_float() { if (!is_return_type()) get_float(); } | |
1122 inline void do_double() { if (!is_return_type()) get_double(); } | |
1123 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
1124 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
1125 inline void do_void() { } | |
1126 | |
1127 JavaCallArguments* arguments() { return _arguments; } | |
1128 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
1129 }; | |
1130 | |
1131 | |
1132 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
1133 protected: | |
1134 va_list _ap; | |
1135 | |
1136 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
1137 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
1138 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
1139 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
1140 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
1141 | |
1142 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
1143 | |
1144 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
1145 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
1146 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
1147 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
1148 _arguments->push_oop(Handle((oop *)l, false)); } | |
1149 | |
1150 inline void set_ap(va_list rap) { | |
1151 #ifdef va_copy | |
1152 va_copy(_ap, rap); | |
1153 #elif defined (__va_copy) | |
1154 __va_copy(_ap, rap); | |
1155 #else | |
1156 _ap = rap; | |
1157 #endif | |
1158 } | |
1159 | |
1160 public: | |
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1161 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1162 : JNI_ArgumentPusher(signature) { |
0 | 1163 set_ap(rap); |
1164 } | |
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1165 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1166 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
0 | 1167 set_ap(rap); |
1168 } | |
1169 | |
1170 // Optimized path if we have the bitvector form of signature | |
1171 void iterate( uint64_t fingerprint ) { | |
1172 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
1173 else { | |
1174 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1175 result_feature_mask); | |
1176 | |
1177 assert(fingerprint, "Fingerprint should not be 0"); | |
1178 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1179 while ( 1 ) { | |
1180 switch ( fingerprint & parameter_feature_mask ) { | |
1181 case bool_parm: | |
1182 case char_parm: | |
1183 case short_parm: | |
1184 case byte_parm: | |
1185 case int_parm: | |
1186 get_int(); | |
1187 break; | |
1188 case obj_parm: | |
1189 get_object(); | |
1190 break; | |
1191 case long_parm: | |
1192 get_long(); | |
1193 break; | |
1194 case float_parm: | |
1195 get_float(); | |
1196 break; | |
1197 case double_parm: | |
1198 get_double(); | |
1199 break; | |
1200 case done_parm: | |
1201 return; | |
1202 break; | |
1203 default: | |
1204 ShouldNotReachHere(); | |
1205 break; | |
1206 } | |
1207 fingerprint >>= parameter_feature_size; | |
1208 } | |
1209 } | |
1210 } | |
1211 }; | |
1212 | |
1213 | |
1214 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
1215 protected: | |
1216 const jvalue *_ap; | |
1217 | |
1218 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
1219 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
1220 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
1221 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
1222 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
1223 | |
1224 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
1225 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
1226 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
1227 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
1228 | |
1229 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
1230 | |
1231 public: | |
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1232 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1233 : JNI_ArgumentPusher(signature) { |
0 | 1234 set_ap(rap); |
1235 } | |
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1236 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1237 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
0 | 1238 set_ap(rap); |
1239 } | |
1240 | |
1241 // Optimized path if we have the bitvector form of signature | |
1242 void iterate( uint64_t fingerprint ) { | |
1243 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
1244 else { | |
1245 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1246 result_feature_mask); | |
1247 assert(fingerprint, "Fingerprint should not be 0"); | |
1248 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1249 while ( 1 ) { | |
1250 switch ( fingerprint & parameter_feature_mask ) { | |
1251 case bool_parm: | |
1252 get_bool(); | |
1253 break; | |
1254 case char_parm: | |
1255 get_char(); | |
1256 break; | |
1257 case short_parm: | |
1258 get_short(); | |
1259 break; | |
1260 case byte_parm: | |
1261 get_byte(); | |
1262 break; | |
1263 case int_parm: | |
1264 get_int(); | |
1265 break; | |
1266 case obj_parm: | |
1267 get_object(); | |
1268 break; | |
1269 case long_parm: | |
1270 get_long(); | |
1271 break; | |
1272 case float_parm: | |
1273 get_float(); | |
1274 break; | |
1275 case double_parm: | |
1276 get_double(); | |
1277 break; | |
1278 case done_parm: | |
1279 return; | |
1280 break; | |
1281 default: | |
1282 ShouldNotReachHere(); | |
1283 break; | |
1284 } | |
1285 fingerprint >>= parameter_feature_size; | |
1286 } | |
1287 } | |
1288 } | |
1289 }; | |
1290 | |
1291 | |
1292 enum JNICallType { | |
1293 JNI_STATIC, | |
1294 JNI_VIRTUAL, | |
1295 JNI_NONVIRTUAL | |
1296 }; | |
1297 | |
1298 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
1299 assert(!method.is_null() , "method should not be null"); | |
1300 | |
1301 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
1302 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
1303 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1304 Symbol* name = method->name(); |
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1305 Symbol* signature = method->signature(); |
0 | 1306 CallInfo info; |
1307 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
1308 return info.selected_method(); | |
1309 } | |
1310 | |
1311 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
1312 assert(!method.is_null() , "method should not be null"); | |
1313 | |
1314 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
1315 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
1316 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1317 Symbol* name = method->name(); |
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1318 Symbol* signature = method->signature(); |
0 | 1319 CallInfo info; |
1320 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
1321 return info.selected_method(); | |
1322 } | |
1323 | |
1324 | |
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1325 static bool first_time_InvokeMain = true; |
0 | 1326 |
1327 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1328 methodHandle method(THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
1329 | |
1330 // Create object to hold arguments for the JavaCall, and associate it with | |
1331 // the jni parser | |
1332 ResourceMark rm(THREAD); | |
1333 int number_of_parameters = method->size_of_parameters(); | |
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1334 |
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1335 // Invoke the method. Result is returned as oop. |
0 | 1336 JavaCallArguments java_args(number_of_parameters); |
1337 args->set_java_argument_object(&java_args); | |
1338 | |
1339 assert(method->is_static(), "method should be static"); | |
1340 | |
1341 // Fill out JavaCallArguments object | |
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1342 args->iterate( Fingerprinter(method).fingerprint() ); |
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1343 // Initialize result type (must be done after args->iterate()) |
0 | 1344 result->set_type(args->get_ret_type()); |
1345 | |
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1346 #ifdef HIGH_LEVEL_INTERPRETER |
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1347 // TODO (chaeubl): this is quite a hack. The launcher should take care about that instead. |
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1348 bool invoked_main_method = false; |
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1349 if (HighLevelInterpreterClass != NULL && first_time_InvokeMain && method->name() == vmSymbols::main_name() && method->result_type() == T_VOID) { |
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1350 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
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1351 JavaThread* thread = (JavaThread*)THREAD; |
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1352 first_time_InvokeMain = false; |
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1353 invoked_main_method = true; |
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1354 thread->set_high_level_interpreter_in_vm(true); |
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1355 } |
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1356 #endif |
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1357 |
0 | 1358 JavaCalls::call(result, method, &java_args, CHECK); |
1359 | |
1360 // Convert result | |
1361 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1362 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1363 } | |
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1364 |
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1365 #ifdef HIGH_LEVEL_INTERPRETER |
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1366 if (invoked_main_method) { |
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1367 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
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1368 JavaThread* thread = (JavaThread*)THREAD; |
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1369 thread->set_high_level_interpreter_in_vm(false); |
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1370 } |
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1371 #endif |
0 | 1372 } |
1373 | |
1374 | |
1375 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1376 oop recv = JNIHandles::resolve(receiver); | |
1377 if (recv == NULL) { | |
1378 THROW(vmSymbols::java_lang_NullPointerException()); | |
1379 } | |
1380 Handle h_recv(THREAD, recv); | |
1381 | |
1382 int number_of_parameters; | |
1383 methodOop selected_method; | |
1384 { | |
1385 methodOop m = JNIHandles::resolve_jmethod_id(method_id); | |
1386 number_of_parameters = m->size_of_parameters(); | |
1387 klassOop holder = m->method_holder(); | |
1388 if (!(Klass::cast(holder))->is_interface()) { | |
1389 // non-interface call -- for that little speed boost, don't handlize | |
1390 debug_only(No_Safepoint_Verifier nosafepoint;) | |
1391 if (call_type == JNI_VIRTUAL) { | |
1392 // jni_GetMethodID makes sure class is linked and initialized | |
1393 // so m should have a valid vtable index. | |
1394 int vtbl_index = m->vtable_index(); | |
1395 if (vtbl_index != methodOopDesc::nonvirtual_vtable_index) { | |
1396 klassOop k = h_recv->klass(); | |
1397 // k might be an arrayKlassOop but all vtables start at | |
1398 // the same place. The cast is to avoid virtual call and assertion. | |
1399 instanceKlass *ik = (instanceKlass*)k->klass_part(); | |
1400 selected_method = ik->method_at_vtable(vtbl_index); | |
1401 } else { | |
1402 // final method | |
1403 selected_method = m; | |
1404 } | |
1405 } else { | |
1406 // JNI_NONVIRTUAL call | |
1407 selected_method = m; | |
1408 } | |
1409 } else { | |
1410 // interface call | |
1411 KlassHandle h_holder(THREAD, holder); | |
1412 | |
1413 int itbl_index = m->cached_itable_index(); | |
1414 if (itbl_index == -1) { | |
1415 itbl_index = klassItable::compute_itable_index(m); | |
1416 m->set_cached_itable_index(itbl_index); | |
1417 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
1418 } | |
1419 klassOop k = h_recv->klass(); | |
1420 selected_method = instanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
1421 } | |
1422 } | |
1423 | |
1424 methodHandle method(THREAD, selected_method); | |
1425 | |
1426 // Create object to hold arguments for the JavaCall, and associate it with | |
1427 // the jni parser | |
1428 ResourceMark rm(THREAD); | |
1429 JavaCallArguments java_args(number_of_parameters); | |
1430 args->set_java_argument_object(&java_args); | |
1431 | |
1432 // handle arguments | |
1433 assert(!method->is_static(), "method should not be static"); | |
1434 args->push_receiver(h_recv); // Push jobject handle | |
1435 | |
1436 // Fill out JavaCallArguments object | |
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1437 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1438 // Initialize result type |
1439 result->set_type(args->get_ret_type()); | |
1440 | |
1441 // Invoke the method. Result is returned as oop. | |
1442 JavaCalls::call(result, method, &java_args, CHECK); | |
1443 | |
1444 // Convert result | |
1445 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1446 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1447 } | |
1448 } | |
1449 | |
1450 | |
1451 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
1452 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
1453 Klass::cast(k())->check_valid_for_instantiation(false, CHECK_NULL); | |
1454 instanceKlass::cast(k())->initialize(CHECK_NULL); | |
1455 instanceOop ih = instanceKlass::cast(k())->allocate_instance(THREAD); | |
1456 return ih; | |
1457 } | |
1458 | |
4006 | 1459 #ifndef USDT2 |
0 | 1460 DT_RETURN_MARK_DECL(AllocObject, jobject); |
4006 | 1461 #else /* USDT2 */ |
1462 DT_RETURN_MARK_DECL(AllocObject, jobject | |
1463 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
1464 #endif /* USDT2 */ | |
0 | 1465 |
1466 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
1467 JNIWrapper("AllocObject"); | |
1468 | |
4006 | 1469 #ifndef USDT2 |
0 | 1470 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
4006 | 1471 #else /* USDT2 */ |
1472 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
1473 env, clazz); | |
1474 #endif /* USDT2 */ | |
0 | 1475 jobject ret = NULL; |
1476 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
1477 | |
1478 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1479 ret = JNIHandles::make_local(env, i); | |
1480 return ret; | |
1481 JNI_END | |
1482 | |
4006 | 1483 #ifndef USDT2 |
0 | 1484 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
4006 | 1485 #else /* USDT2 */ |
1486 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
1487 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
1488 #endif /* USDT2 */ | |
0 | 1489 |
1490 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
1491 JNIWrapper("NewObjectA"); | |
4006 | 1492 #ifndef USDT2 |
0 | 1493 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
4006 | 1494 #else /* USDT2 */ |
1495 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
1496 env, clazz, (uintptr_t) methodID); | |
1497 #endif /* USDT2 */ | |
0 | 1498 jobject obj = NULL; |
1499 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
1500 | |
1501 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1502 obj = JNIHandles::make_local(env, i); | |
1503 JavaValue jvalue(T_VOID); | |
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1504 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1505 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1506 return obj; | |
1507 JNI_END | |
1508 | |
4006 | 1509 #ifndef USDT2 |
0 | 1510 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
4006 | 1511 #else /* USDT2 */ |
1512 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
1513 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
1514 #endif /* USDT2 */ | |
0 | 1515 |
1516 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
1517 JNIWrapper("NewObjectV"); | |
4006 | 1518 #ifndef USDT2 |
0 | 1519 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
4006 | 1520 #else /* USDT2 */ |
1521 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
1522 env, clazz, (uintptr_t) methodID); | |
1523 #endif /* USDT2 */ | |
0 | 1524 jobject obj = NULL; |
1525 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
1526 | |
1527 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1528 obj = JNIHandles::make_local(env, i); | |
1529 JavaValue jvalue(T_VOID); | |
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1530 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1531 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1532 return obj; | |
1533 JNI_END | |
1534 | |
4006 | 1535 #ifndef USDT2 |
0 | 1536 DT_RETURN_MARK_DECL(NewObject, jobject); |
4006 | 1537 #else /* USDT2 */ |
1538 DT_RETURN_MARK_DECL(NewObject, jobject | |
1539 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
1540 #endif /* USDT2 */ | |
0 | 1541 |
1542 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
1543 JNIWrapper("NewObject"); | |
4006 | 1544 #ifndef USDT2 |
0 | 1545 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
4006 | 1546 #else /* USDT2 */ |
1547 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
1548 env, clazz, (uintptr_t) methodID); | |
1549 #endif /* USDT2 */ | |
0 | 1550 jobject obj = NULL; |
1551 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
1552 | |
1553 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1554 obj = JNIHandles::make_local(env, i); | |
1555 va_list args; | |
1556 va_start(args, methodID); | |
1557 JavaValue jvalue(T_VOID); | |
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1558 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1559 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1560 va_end(args); | |
1561 return obj; | |
1562 JNI_END | |
1563 | |
1564 | |
1565 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
1566 JNIWrapper("GetObjectClass"); | |
4006 | 1567 #ifndef USDT2 |
0 | 1568 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
4006 | 1569 #else /* USDT2 */ |
1570 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
1571 env, obj); | |
1572 #endif /* USDT2 */ | |
0 | 1573 klassOop k = JNIHandles::resolve_non_null(obj)->klass(); |
1574 jclass ret = | |
1575 (jclass) JNIHandles::make_local(env, Klass::cast(k)->java_mirror()); | |
4006 | 1576 #ifndef USDT2 |
0 | 1577 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
4006 | 1578 #else /* USDT2 */ |
1579 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
1580 ret); | |
1581 #endif /* USDT2 */ | |
0 | 1582 return ret; |
1583 JNI_END | |
1584 | |
1585 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
1586 JNIWrapper("IsInstanceOf"); | |
4006 | 1587 #ifndef USDT2 |
0 | 1588 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
4006 | 1589 #else /* USDT2 */ |
1590 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
1591 env, obj, clazz); | |
1592 #endif /* USDT2 */ | |
0 | 1593 jboolean ret = JNI_TRUE; |
1594 if (obj != NULL) { | |
1595 ret = JNI_FALSE; | |
1596 klassOop k = java_lang_Class::as_klassOop( | |
1597 JNIHandles::resolve_non_null(clazz)); | |
1598 if (k != NULL) { | |
1599 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
1600 } | |
1601 } | |
4006 | 1602 #ifndef USDT2 |
0 | 1603 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
4006 | 1604 #else /* USDT2 */ |
1605 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
1606 ret); | |
1607 #endif /* USDT2 */ | |
0 | 1608 return ret; |
1609 JNI_END | |
1610 | |
1611 | |
1612 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
1613 const char *sig, bool is_static, TRAPS) { | |
1614 // %%%% This code should probably just call into a method in the LinkResolver | |
1615 // | |
1616 // The class should have been loaded (we have an instance of the class | |
1617 // passed in) so the method and signature should already be in the symbol | |
1618 // table. If they're not there, the method doesn't exist. | |
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1619 const char *name_to_probe = (name_str == NULL) |
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1620 ? vmSymbols::object_initializer_name()->as_C_string() |
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1621 : name_str; |
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1622 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1623 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1624 |
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1625 if (name == NULL || signature == NULL) { |
0 | 1626 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
1627 } | |
1628 | |
1629 // Throw a NoSuchMethodError exception if we have an instance of a | |
1630 // primitive java.lang.Class | |
1631 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
1632 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1633 } | |
1634 | |
1635 KlassHandle klass(THREAD, | |
1636 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
1637 | |
1638 // Make sure class is linked and initialized before handing id's out to | |
1639 // methodOops. | |
1640 Klass::cast(klass())->initialize(CHECK_NULL); | |
1641 | |
1642 methodOop m; | |
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1643 if (name == vmSymbols::object_initializer_name() || |
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1644 name == vmSymbols::class_initializer_name()) { |
0 | 1645 // Never search superclasses for constructors |
1646 if (klass->oop_is_instance()) { | |
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1647 m = instanceKlass::cast(klass())->find_method(name, signature); |
0 | 1648 } else { |
1649 m = NULL; | |
1650 } | |
1651 } else { | |
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1652 m = klass->lookup_method(name, signature); |
0 | 1653 // Look up interfaces |
1654 if (m == NULL && klass->oop_is_instance()) { | |
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1655 m = instanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1656 signature); |
0 | 1657 } |
1658 } | |
1659 if (m == NULL || (m->is_static() != is_static)) { | |
1660 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1661 } | |
1662 return m->jmethod_id(); | |
1663 } | |
1664 | |
1665 | |
1666 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
1667 const char *name, const char *sig)) | |
1668 JNIWrapper("GetMethodID"); | |
4006 | 1669 #ifndef USDT2 |
0 | 1670 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
4006 | 1671 #else /* USDT2 */ |
1672 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
1673 env, clazz, (char *) name, (char *) sig); | |
1674 #endif /* USDT2 */ | |
0 | 1675 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
4006 | 1676 #ifndef USDT2 |
0 | 1677 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
4006 | 1678 #else /* USDT2 */ |
1679 HOTSPOT_JNI_GETMETHODID_RETURN( | |
1680 (uintptr_t) ret); | |
1681 #endif /* USDT2 */ | |
0 | 1682 return ret; |
1683 JNI_END | |
1684 | |
1685 | |
1686 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
1687 const char *name, const char *sig)) | |
1688 JNIWrapper("GetStaticMethodID"); | |
4006 | 1689 #ifndef USDT2 |
0 | 1690 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
4006 | 1691 #else /* USDT2 */ |
1692 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
1693 env, (char *) clazz, (char *) name, (char *)sig); | |
1694 #endif /* USDT2 */ | |
0 | 1695 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
4006 | 1696 #ifndef USDT2 |
0 | 1697 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
4006 | 1698 #else /* USDT2 */ |
1699 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
1700 (uintptr_t) ret); | |
1701 #endif /* USDT2 */ | |
0 | 1702 return ret; |
1703 JNI_END | |
1704 | |
1705 | |
1706 | |
1707 // | |
1708 // Calling Methods | |
1709 // | |
1710 | |
4006 | 1711 #ifndef USDT2 |
0 | 1712 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
1713 \ | |
1714 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
1715 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
1716 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
1717 \ | |
1718 JNI_ENTRY(ResultType, \ | |
1719 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1720 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1721 \ | |
4006 | 1722 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
0 | 1723 ResultType ret = 0;\ |
1724 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1725 (const ResultType&)ret);\ | |
1726 \ | |
1727 va_list args; \ | |
1728 va_start(args, methodID); \ | |
1729 JavaValue jvalue(Tag); \ | |
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1730 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1731 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1732 va_end(args); \ | |
1733 ret = jvalue.get_##ResultType(); \ | |
1734 return ret;\ | |
1735 JNI_END \ | |
1736 \ | |
1737 \ | |
1738 JNI_ENTRY(ResultType, \ | |
1739 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1740 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1741 \ | |
4006 | 1742 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
0 | 1743 ResultType ret = 0;\ |
1744 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1745 (const ResultType&)ret);\ | |
1746 \ | |
1747 JavaValue jvalue(Tag); \ | |
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1748 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1749 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1750 ret = jvalue.get_##ResultType(); \ | |
1751 return ret;\ | |
1752 JNI_END \ | |
1753 \ | |
1754 \ | |
1755 JNI_ENTRY(ResultType, \ | |
1756 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1757 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
4006 | 1758 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
0 | 1759 ResultType ret = 0;\ |
1760 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1761 (const ResultType&)ret);\ | |
1762 \ | |
1763 JavaValue jvalue(Tag); \ | |
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1764 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 1765 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1766 ret = jvalue.get_##ResultType(); \ | |
1767 return ret;\ | |
1768 JNI_END | |
1769 | |
1770 // the runtime type of subword integral basic types is integer | |
1771 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
1772 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
1773 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
1774 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
1775 | |
1776 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
1777 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
1778 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
1779 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
1780 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
1781 | |
1782 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
1783 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
1784 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
1785 | |
4006 | 1786 #else /* USDT2 */ |
1787 | |
1788 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
1789 , EntryProbe, ReturnProbe) \ | |
1790 \ | |
1791 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
1792 , ReturnProbe); \ | |
1793 \ | |
1794 JNI_ENTRY(ResultType, \ | |
1795 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1796 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1797 \ | |
1798 EntryProbe; \ | |
1799 ResultType ret = 0;\ | |
1800 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1801 (const ResultType&)ret);\ | |
1802 \ | |
1803 va_list args; \ | |
1804 va_start(args, methodID); \ | |
1805 JavaValue jvalue(Tag); \ | |
1806 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1807 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1808 va_end(args); \ | |
1809 ret = jvalue.get_##ResultType(); \ | |
1810 return ret;\ | |
1811 JNI_END | |
1812 | |
1813 // the runtime type of subword integral basic types is integer | |
1814 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
1815 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1816 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1817 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
1818 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1819 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1820 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
1821 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1822 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1823 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
1824 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1825 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1826 | |
1827 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
1828 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1829 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1830 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
1831 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1832 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1833 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
1834 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1835 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1836 // Float and double probes don't return value because dtrace doesn't currently support it | |
1837 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
1838 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1839 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1840 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
1841 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1842 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1843 | |
1844 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
1845 , EntryProbe, ReturnProbe) \ | |
1846 \ | |
1847 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
1848 , ReturnProbe); \ | |
1849 \ | |
1850 JNI_ENTRY(ResultType, \ | |
1851 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1852 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1853 \ | |
1854 EntryProbe;\ | |
1855 ResultType ret = 0;\ | |
1856 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1857 (const ResultType&)ret);\ | |
1858 \ | |
1859 JavaValue jvalue(Tag); \ | |
1860 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1861 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1862 ret = jvalue.get_##ResultType(); \ | |
1863 return ret;\ | |
1864 JNI_END | |
1865 | |
1866 // the runtime type of subword integral basic types is integer | |
1867 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
1868 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1869 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1870 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
1871 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1872 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1873 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
1874 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1875 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1876 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
1877 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1878 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1879 | |
1880 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
1881 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1882 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1883 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
1884 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1885 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1886 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
1887 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1888 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1889 // Float and double probes don't return value because dtrace doesn't currently support it | |
1890 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
1891 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1892 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1893 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
1894 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1895 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1896 | |
1897 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
1898 , EntryProbe, ReturnProbe) \ | |
1899 \ | |
1900 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
1901 , ReturnProbe); \ | |
1902 \ | |
1903 JNI_ENTRY(ResultType, \ | |
1904 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1905 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
1906 EntryProbe; \ | |
1907 ResultType ret = 0;\ | |
1908 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1909 (const ResultType&)ret);\ | |
1910 \ | |
1911 JavaValue jvalue(Tag); \ | |
1912 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1913 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1914 ret = jvalue.get_##ResultType(); \ | |
1915 return ret;\ | |
1916 JNI_END | |
1917 | |
1918 // the runtime type of subword integral basic types is integer | |
1919 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
1920 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1921 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1922 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
1923 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1924 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1925 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
1926 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1927 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1928 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
1929 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1930 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1931 | |
1932 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
1933 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1934 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1935 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
1936 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1937 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1938 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
1939 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1940 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1941 // Float and double probes don't return value because dtrace doesn't currently support it | |
1942 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
1943 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1944 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1945 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
1946 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1947 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1948 | |
1949 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
1950 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
1951 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
1952 | |
1953 #endif /* USDT2 */ | |
1954 | |
0 | 1955 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
1956 JNIWrapper("CallVoidMethod"); | |
4006 | 1957 #ifndef USDT2 |
0 | 1958 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
4006 | 1959 #else /* USDT2 */ |
1960 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
1961 env, obj, (uintptr_t) methodID); | |
1962 #endif /* USDT2 */ | |
0 | 1963 DT_VOID_RETURN_MARK(CallVoidMethod); |
1964 | |
1965 va_list args; | |
1966 va_start(args, methodID); | |
1967 JavaValue jvalue(T_VOID); | |
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1968 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1969 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1970 va_end(args); | |
1971 JNI_END | |
1972 | |
1973 | |
1974 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
1975 JNIWrapper("CallVoidMethodV"); | |
4006 | 1976 #ifndef USDT2 |
0 | 1977 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
4006 | 1978 #else /* USDT2 */ |
1979 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
1980 env, obj, (uintptr_t) methodID); | |
1981 #endif /* USDT2 */ | |
0 | 1982 DT_VOID_RETURN_MARK(CallVoidMethodV); |
1983 | |
1984 JavaValue jvalue(T_VOID); | |
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1985 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1986 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1987 JNI_END | |
1988 | |
1989 | |
1990 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
1991 JNIWrapper("CallVoidMethodA"); | |
4006 | 1992 #ifndef USDT2 |
0 | 1993 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
4006 | 1994 #else /* USDT2 */ |
1995 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
1996 env, obj, (uintptr_t) methodID); | |
1997 #endif /* USDT2 */ | |
0 | 1998 DT_VOID_RETURN_MARK(CallVoidMethodA); |
1999 | |
2000 JavaValue jvalue(T_VOID); | |
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2001 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2002 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
2003 JNI_END | |
2004 | |
2005 | |
4006 | 2006 #ifndef USDT2 |
0 | 2007 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
2008 \ | |
2009 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
2010 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
2011 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
2012 \ | |
2013 JNI_ENTRY(ResultType, \ | |
2014 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
2015 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
2016 \ | |
2017 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
2018 ResultType ret;\ | |
2019 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
2020 (const ResultType&)ret);\ | |
2021 \ | |
2022 va_list args; \ | |
2023 va_start(args, methodID); \ | |
2024 JavaValue jvalue(Tag); \ | |
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2025 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2026 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2027 va_end(args); \ | |
2028 ret = jvalue.get_##ResultType(); \ | |
2029 return ret;\ | |
2030 JNI_END \ | |
2031 \ | |
2032 JNI_ENTRY(ResultType, \ | |
2033 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2034 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
2035 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
2036 ResultType ret;\ | |
2037 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2038 (const ResultType&)ret);\ | |
2039 \ | |
2040 JavaValue jvalue(Tag); \ | |
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2041 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2042 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2043 ret = jvalue.get_##ResultType(); \ | |
2044 return ret;\ | |
2045 JNI_END \ | |
2046 \ | |
2047 JNI_ENTRY(ResultType, \ | |
2048 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2049 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2050 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
2051 ResultType ret;\ | |
2052 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2053 (const ResultType&)ret);\ | |
2054 \ | |
2055 JavaValue jvalue(Tag); \ | |
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2056 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2057 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2058 ret = jvalue.get_##ResultType(); \ | |
2059 return ret;\ | |
2060 JNI_END | |
2061 | |
2062 // the runtime type of subword integral basic types is integer | |
2063 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2064 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
2065 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
2066 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
2067 | |
2068 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
2069 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
2070 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
2071 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
2072 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
2073 | |
2074 | |
2075 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
2076 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
2077 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
2078 | |
4006 | 2079 #else /* USDT2 */ |
2080 | |
2081 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
2082 , EntryProbe, ReturnProbe) \ | |
2083 \ | |
2084 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
2085 , ReturnProbe);\ | |
2086 \ | |
2087 JNI_ENTRY(ResultType, \ | |
2088 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
2089 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
2090 \ | |
2091 EntryProbe;\ | |
2092 ResultType ret;\ | |
2093 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
2094 (const ResultType&)ret);\ | |
2095 \ | |
2096 va_list args; \ | |
2097 va_start(args, methodID); \ | |
2098 JavaValue jvalue(Tag); \ | |
2099 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2100 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2101 va_end(args); \ | |
2102 ret = jvalue.get_##ResultType(); \ | |
2103 return ret;\ | |
2104 JNI_END | |
2105 | |
2106 // the runtime type of subword integral basic types is integer | |
2107 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
2108 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2109 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
2110 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
2111 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2112 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
2113 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
2114 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2115 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
2116 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
2117 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2118 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
2119 | |
2120 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
2121 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2122 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
2123 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
2124 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2125 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
2126 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
2127 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2128 // Float and double probes don't return value because dtrace doesn't currently support it | |
2129 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
2130 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
2131 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2132 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
2133 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
2134 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2135 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
2136 | |
2137 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
2138 , EntryProbe, ReturnProbe) \ | |
2139 \ | |
2140 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
2141 , ReturnProbe);\ | |
2142 \ | |
2143 JNI_ENTRY(ResultType, \ | |
2144 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2145 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
2146 \ | |
2147 EntryProbe;\ | |
2148 ResultType ret;\ | |
2149 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2150 (const ResultType&)ret);\ | |
2151 \ | |
2152 JavaValue jvalue(Tag); \ | |
2153 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2154 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2155 ret = jvalue.get_##ResultType(); \ | |
2156 return ret;\ | |
2157 JNI_END | |
2158 | |
2159 // the runtime type of subword integral basic types is integer | |
2160 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
2161 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2162 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
2163 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
2164 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2165 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
2166 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
2167 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2168 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
2169 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
2170 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2171 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
2172 | |
2173 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
2174 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2175 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
2176 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
2177 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2178 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
2179 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
2180 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2181 // Float and double probes don't return value because dtrace doesn't currently support it | |
2182 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
2183 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
2184 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2185 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
2186 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
2187 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2188 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
2189 | |
2190 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
2191 , EntryProbe, ReturnProbe) \ | |
2192 \ | |
2193 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
2194 , ReturnProbe);\ | |
2195 \ | |
2196 JNI_ENTRY(ResultType, \ | |
2197 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2198 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2199 \ | |
2200 EntryProbe;\ | |
2201 ResultType ret;\ | |
2202 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2203 (const ResultType&)ret);\ | |
2204 \ | |
2205 JavaValue jvalue(Tag); \ | |
2206 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2207 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2208 ret = jvalue.get_##ResultType(); \ | |
2209 return ret;\ | |
2210 JNI_END | |
2211 | |
2212 // the runtime type of subword integral basic types is integer | |
2213 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
2214 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2215 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
2216 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
2217 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2218 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
2219 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
2220 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2221 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
2222 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
2223 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2224 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
2225 | |
2226 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
2227 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2228 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
2229 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
2230 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2231 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
2232 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
2233 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2234 // Float and double probes don't return value because dtrace doesn't currently support it | |
2235 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
2236 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
2237 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2238 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
2239 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
2240 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2241 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
2242 | |
2243 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
2244 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
2245 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
2246 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
2247 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
2248 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
2249 #endif /* USDT2 */ | |
2250 | |
0 | 2251 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
2252 JNIWrapper("CallNonvirtualVoidMethod"); | |
2253 | |
4006 | 2254 #ifndef USDT2 |
0 | 2255 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
2256 env, obj, cls, methodID); | |
4006 | 2257 #else /* USDT2 */ |
2258 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
2259 env, obj, cls, (uintptr_t) methodID); | |
2260 #endif /* USDT2 */ | |
0 | 2261 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
2262 | |
2263 va_list args; | |
2264 va_start(args, methodID); | |
2265 JavaValue jvalue(T_VOID); | |
2177
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2266 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2267 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2268 va_end(args); | |
2269 JNI_END | |
2270 | |
2271 | |
2272 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
2273 JNIWrapper("CallNonvirtualVoidMethodV"); | |
2274 | |
4006 | 2275 #ifndef USDT2 |
0 | 2276 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
2277 env, obj, cls, methodID); | |
4006 | 2278 #else /* USDT2 */ |
2279 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
2280 env, obj, cls, (uintptr_t) methodID); | |
2281 #endif /* USDT2 */ | |
0 | 2282 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
2283 | |
2284 JavaValue jvalue(T_VOID); | |
2177
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2285 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2286 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2287 JNI_END | |
2288 | |
2289 | |
2290 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
2291 JNIWrapper("CallNonvirtualVoidMethodA"); | |
4006 | 2292 #ifndef USDT2 |
0 | 2293 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
2294 env, obj, cls, methodID); | |
4006 | 2295 #else /* USDT2 */ |
2296 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
2297 env, obj, cls, (uintptr_t) methodID); | |
2298 #endif /* USDT2 */ | |
0 | 2299 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
2300 JavaValue jvalue(T_VOID); | |
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|
2301 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2302 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2303 JNI_END | |
2304 | |
2305 | |
4006 | 2306 #ifndef USDT2 |
0 | 2307 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
2308 \ | |
2309 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
2310 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
2311 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
2312 \ | |
2313 JNI_ENTRY(ResultType, \ | |
2314 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2315 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2316 \ | |
2317 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
2318 ResultType ret = 0;\ | |
2319 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2320 (const ResultType&)ret);\ | |
2321 \ | |
2322 va_list args; \ | |
2323 va_start(args, methodID); \ | |
2324 JavaValue jvalue(Tag); \ | |
2177
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2325 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2326 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2327 va_end(args); \ | |
2328 ret = jvalue.get_##ResultType(); \ | |
2329 return ret;\ | |
2330 JNI_END \ | |
2331 \ | |
2332 JNI_ENTRY(ResultType, \ | |
2333 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2334 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2335 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
2336 ResultType ret = 0;\ | |
2337 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2338 (const ResultType&)ret);\ | |
2339 \ | |
2340 JavaValue jvalue(Tag); \ | |
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|
2341 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2342 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2343 ret = jvalue.get_##ResultType(); \ | |
2344 return ret;\ | |
2345 JNI_END \ | |
2346 \ | |
2347 JNI_ENTRY(ResultType, \ | |
2348 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2349 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2350 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
2351 ResultType ret = 0;\ | |
2352 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2353 (const ResultType&)ret);\ | |
2354 \ | |
2355 JavaValue jvalue(Tag); \ | |
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|
2356 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2357 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2358 ret = jvalue.get_##ResultType(); \ | |
2359 return ret;\ | |
2360 JNI_END | |
2361 | |
2362 // the runtime type of subword integral basic types is integer | |
2363 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2364 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
2365 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
2366 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
2367 | |
2368 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
2369 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
2370 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
2371 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
2372 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
2373 | |
2374 | |
2375 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
2376 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
2377 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
2378 | |
4006 | 2379 #else /* USDT2 */ |
2380 | |
2381 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
2382 , EntryProbe, ResultProbe) \ | |
2383 \ | |
2384 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
2385 , ResultProbe); \ | |
2386 \ | |
2387 JNI_ENTRY(ResultType, \ | |
2388 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2389 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2390 \ | |
2391 EntryProbe; \ | |
2392 ResultType ret = 0;\ | |
2393 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2394 (const ResultType&)ret);\ | |
2395 \ | |
2396 va_list args; \ | |
2397 va_start(args, methodID); \ | |
2398 JavaValue jvalue(Tag); \ | |
2399 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2400 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2401 va_end(args); \ | |
2402 ret = jvalue.get_##ResultType(); \ | |
2403 return ret;\ | |
2404 JNI_END | |
2405 | |
2406 // the runtime type of subword integral basic types is integer | |
2407 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
2408 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2409 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
2410 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
2411 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2412 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
2413 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
2414 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2415 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
2416 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
2417 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2418 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
2419 | |
2420 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
2421 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2422 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
2423 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
2424 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2425 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
2426 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
2427 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2428 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
2429 // Float and double probes don't return value because dtrace doesn't currently support it | |
2430 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
2431 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2432 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
2433 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
2434 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2435 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
2436 | |
2437 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
2438 , EntryProbe, ResultProbe) \ | |
2439 \ | |
2440 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
2441 , ResultProbe); \ | |
2442 \ | |
2443 JNI_ENTRY(ResultType, \ | |
2444 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2445 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2446 \ | |
2447 EntryProbe; \ | |
2448 ResultType ret = 0;\ | |
2449 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2450 (const ResultType&)ret);\ | |
2451 \ | |
2452 JavaValue jvalue(Tag); \ | |
2453 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2454 /* Make sure class is initialized before trying to invoke its method */ \ | |
2455 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls))); \ | |
2456 Klass::cast(k())->initialize(CHECK_0); \ | |
2457 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2458 va_end(args); \ | |
2459 ret = jvalue.get_##ResultType(); \ | |
2460 return ret;\ | |
2461 JNI_END | |
2462 | |
2463 // the runtime type of subword integral basic types is integer | |
2464 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
2465 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2466 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
2467 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
2468 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2469 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
2470 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
2471 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2472 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
2473 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
2474 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2475 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
2476 | |
2477 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
2478 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2479 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
2480 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
2481 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2482 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
2483 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
2484 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2485 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
2486 // Float and double probes don't return value because dtrace doesn't currently support it | |
2487 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
2488 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2489 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
2490 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
2491 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2492 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
2493 | |
2494 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
2495 , EntryProbe, ResultProbe) \ | |
2496 \ | |
2497 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
2498 , ResultProbe); \ | |
2499 \ | |
2500 JNI_ENTRY(ResultType, \ | |
2501 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2502 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2503 \ | |
2504 EntryProbe; \ | |
2505 ResultType ret = 0;\ | |
2506 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2507 (const ResultType&)ret);\ | |
2508 \ | |
2509 JavaValue jvalue(Tag); \ | |
2510 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2511 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2512 ret = jvalue.get_##ResultType(); \ | |
2513 return ret;\ | |
2514 JNI_END | |
2515 | |
2516 // the runtime type of subword integral basic types is integer | |
2517 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
2518 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2519 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
2520 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
2521 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2522 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
2523 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
2524 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2525 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
2526 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
2527 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2528 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
2529 | |
2530 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
2531 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2532 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
2533 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
2534 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2535 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
2536 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
2537 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2538 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
2539 // Float and double probes don't return value because dtrace doesn't currently support it | |
2540 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
2541 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2542 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
2543 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
2544 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2545 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
2546 | |
2547 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
2548 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
2549 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
2550 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
2551 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
2552 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
2553 #endif /* USDT2 */ | |
2554 | |
0 | 2555 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
2556 JNIWrapper("CallStaticVoidMethod"); | |
4006 | 2557 #ifndef USDT2 |
0 | 2558 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
4006 | 2559 #else /* USDT2 */ |
2560 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
2561 env, cls, (uintptr_t) methodID); | |
2562 #endif /* USDT2 */ | |
0 | 2563 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
2564 | |
2565 va_list args; | |
2566 va_start(args, methodID); | |
2567 JavaValue jvalue(T_VOID); | |
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2568 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2569 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2570 va_end(args); | |
2571 JNI_END | |
2572 | |
2573 | |
2574 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
2575 JNIWrapper("CallStaticVoidMethodV"); | |
4006 | 2576 #ifndef USDT2 |
0 | 2577 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
4006 | 2578 #else /* USDT2 */ |
2579 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
2580 env, cls, (uintptr_t) methodID); | |
2581 #endif /* USDT2 */ | |
0 | 2582 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
2583 | |
2584 JavaValue jvalue(T_VOID); | |
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2585 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2586 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2587 JNI_END | |
2588 | |
2589 | |
2590 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
2591 JNIWrapper("CallStaticVoidMethodA"); | |
4006 | 2592 #ifndef USDT2 |
0 | 2593 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
4006 | 2594 #else /* USDT2 */ |
2595 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
2596 env, cls, (uintptr_t) methodID); | |
2597 #endif /* USDT2 */ | |
0 | 2598 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
2599 | |
2600 JavaValue jvalue(T_VOID); | |
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2601 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2602 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2603 JNI_END | |
2604 | |
2605 | |
2606 // | |
2607 // Accessing Fields | |
2608 // | |
2609 | |
2610 | |
4006 | 2611 #ifndef USDT2 |
0 | 2612 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
4006 | 2613 #else /* USDT2 */ |
2614 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
2615 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2616 #endif /* USDT2 */ | |
0 | 2617 |
2618 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
2619 const char *name, const char *sig)) | |
2620 JNIWrapper("GetFieldID"); | |
4006 | 2621 #ifndef USDT2 |
0 | 2622 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
4006 | 2623 #else /* USDT2 */ |
2624 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
2625 env, clazz, (char *) name, (char *) sig); | |
2626 #endif /* USDT2 */ | |
0 | 2627 jfieldID ret = 0; |
2628 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
2629 | |
2630 // The class should have been loaded (we have an instance of the class | |
2631 // passed in) so the field and signature should already be in the symbol | |
2632 // table. If they're not there, the field doesn't exist. | |
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2633 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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diff
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|
2634 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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diff
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|
2635 if (fieldname == NULL || signame == NULL) { |
0 | 2636 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2637 } | |
2638 KlassHandle k(THREAD, | |
2639 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
2640 // Make sure class is initialized before handing id's out to fields | |
2641 Klass::cast(k())->initialize(CHECK_NULL); | |
2642 | |
2643 fieldDescriptor fd; | |
2644 if (!Klass::cast(k())->oop_is_instance() || | |
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|
2645 !instanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
0 | 2646 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2647 } | |
2648 | |
2649 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
2650 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
2651 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
2652 return ret; | |
2653 JNI_END | |
2654 | |
2655 | |
2656 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
2657 JNIWrapper("GetObjectField"); | |
4006 | 2658 #ifndef USDT2 |
0 | 2659 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
4006 | 2660 #else /* USDT2 */ |
2661 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
2662 env, obj, (uintptr_t) fieldID); | |
2663 #endif /* USDT2 */ | |
0 | 2664 oop o = JNIHandles::resolve_non_null(obj); |
2665 klassOop k = o->klass(); | |
2666 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
2667 // Keep JVMTI addition small and only check enabled flag here. | |
2668 // jni_GetField_probe() assumes that is okay to create handles. | |
2669 if (JvmtiExport::should_post_field_access()) { | |
2670 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
2671 } | |
2672 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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diff
changeset
|
2673 #ifndef SERIALGC |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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2376
diff
changeset
|
2674 // If G1 is enabled and we are accessing the value of the referent |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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2376
diff
changeset
|
2675 // field in a reference object then we need to register a non-null |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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2376
diff
changeset
|
2676 // referent with the SATB barrier. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2677 if (UseG1GC) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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2376
diff
changeset
|
2678 bool needs_barrier = false; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2679 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2680 if (ret != NULL && |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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2376
diff
changeset
|
2681 offset == java_lang_ref_Reference::referent_offset && |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2682 instanceKlass::cast(k)->reference_type() != REF_NONE) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2683 assert(instanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2684 needs_barrier = true; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2685 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2686 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2687 if (needs_barrier) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2688 oop referent = JNIHandles::resolve(ret); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2689 G1SATBCardTableModRefBS::enqueue(referent); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2690 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2691 } |
e1162778c1c8
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diff
changeset
|
2692 #endif // SERIALGC |
4006 | 2693 #ifndef USDT2 |
0 | 2694 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
4006 | 2695 #else /* USDT2 */ |
2696 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
2697 ret); | |
2698 #endif /* USDT2 */ | |
0 | 2699 return ret; |
2700 JNI_END | |
2701 | |
2702 | |
4006 | 2703 #ifndef USDT2 |
0 | 2704 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
2705 \ | |
2706 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
2707 \ | |
2708 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2709 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2710 \ | |
2711 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
2712 Return ret = 0;\ | |
2713 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2714 \ | |
2715 oop o = JNIHandles::resolve_non_null(obj); \ | |
2716 klassOop k = o->klass(); \ | |
2717 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2718 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2719 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2720 /* and creates a ResetNoHandleMark. */ \ | |
2721 if (JvmtiExport::should_post_field_access()) { \ | |
2722 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2723 } \ | |
2724 ret = o->Fieldname##_field(offset); \ | |
2725 return ret; \ | |
2726 JNI_END | |
2727 | |
2728 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
2729 DEFINE_GETFIELD(jbyte, byte, Byte) | |
2730 DEFINE_GETFIELD(jchar, char, Char) | |
2731 DEFINE_GETFIELD(jshort, short, Short) | |
2732 DEFINE_GETFIELD(jint, int, Int) | |
2733 DEFINE_GETFIELD(jlong, long, Long) | |
2734 DEFINE_GETFIELD(jfloat, float, Float) | |
2735 DEFINE_GETFIELD(jdouble, double, Double) | |
2736 | |
4006 | 2737 #else /* USDT2 */ |
2738 | |
2739 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
2740 , EntryProbe, ReturnProbe) \ | |
2741 \ | |
2742 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
2743 , ReturnProbe); \ | |
2744 \ | |
2745 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2746 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2747 \ | |
2748 EntryProbe; \ | |
2749 Return ret = 0;\ | |
2750 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2751 \ | |
2752 oop o = JNIHandles::resolve_non_null(obj); \ | |
2753 klassOop k = o->klass(); \ | |
2754 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2755 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2756 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2757 /* and creates a ResetNoHandleMark. */ \ | |
2758 if (JvmtiExport::should_post_field_access()) { \ | |
2759 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2760 } \ | |
2761 ret = o->Fieldname##_field(offset); \ | |
2762 return ret; \ | |
2763 JNI_END | |
2764 | |
2765 DEFINE_GETFIELD(jboolean, bool, Boolean | |
2766 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2767 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
2768 DEFINE_GETFIELD(jbyte, byte, Byte | |
2769 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2770 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
2771 DEFINE_GETFIELD(jchar, char, Char | |
2772 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2773 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
2774 DEFINE_GETFIELD(jshort, short, Short | |
2775 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2776 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
2777 DEFINE_GETFIELD(jint, int, Int | |
2778 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2779 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
2780 DEFINE_GETFIELD(jlong, long, Long | |
2781 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2782 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
2783 // Float and double probes don't return value because dtrace doesn't currently support it | |
2784 DEFINE_GETFIELD(jfloat, float, Float | |
2785 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2786 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
2787 DEFINE_GETFIELD(jdouble, double, Double | |
2788 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2789 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
2790 #endif /* USDT2 */ | |
2791 | |
0 | 2792 address jni_GetBooleanField_addr() { |
2793 return (address)jni_GetBooleanField; | |
2794 } | |
2795 address jni_GetByteField_addr() { | |
2796 return (address)jni_GetByteField; | |
2797 } | |
2798 address jni_GetCharField_addr() { | |
2799 return (address)jni_GetCharField; | |
2800 } | |
2801 address jni_GetShortField_addr() { | |
2802 return (address)jni_GetShortField; | |
2803 } | |
2804 address jni_GetIntField_addr() { | |
2805 return (address)jni_GetIntField; | |
2806 } | |
2807 address jni_GetLongField_addr() { | |
2808 return (address)jni_GetLongField; | |
2809 } | |
2810 address jni_GetFloatField_addr() { | |
2811 return (address)jni_GetFloatField; | |
2812 } | |
2813 address jni_GetDoubleField_addr() { | |
2814 return (address)jni_GetDoubleField; | |
2815 } | |
2816 | |
2817 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
2818 JNIWrapper("SetObjectField"); | |
4006 | 2819 #ifndef USDT2 |
0 | 2820 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
4006 | 2821 #else /* USDT2 */ |
2822 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
2823 env, obj, (uintptr_t) fieldID, value); | |
2824 #endif /* USDT2 */ | |
0 | 2825 oop o = JNIHandles::resolve_non_null(obj); |
2826 klassOop k = o->klass(); | |
2827 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
2828 // Keep JVMTI addition small and only check enabled flag here. | |
2829 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
2830 // and creates a ResetNoHandleMark. | |
2831 if (JvmtiExport::should_post_field_modification()) { | |
2832 jvalue field_value; | |
2833 field_value.l = value; | |
2834 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
2835 } | |
2836 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
4006 | 2837 #ifndef USDT2 |
0 | 2838 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
4006 | 2839 #else /* USDT2 */ |
2840 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
2841 ); | |
2842 #endif /* USDT2 */ | |
0 | 2843 JNI_END |
2844 | |
4006 | 2845 #ifndef USDT2 |
0 | 2846 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
2847 \ | |
2848 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2849 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2850 \ | |
2851 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, Set##Result##Field__entry, \ | |
2852 ( JNIEnv*, jobject, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
2853 HS_DTRACE_PROBE_N(hotspot_jni, Set##Result##Field__entry, \ | |
2854 ( env, obj, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
2855 \ | |
2856 oop o = JNIHandles::resolve_non_null(obj); \ | |
2857 klassOop k = o->klass(); \ | |
2858 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2859 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2860 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2861 /* and creates a ResetNoHandleMark. */ \ | |
2862 if (JvmtiExport::should_post_field_modification()) { \ | |
2863 jvalue field_value; \ | |
2864 field_value.unionType = value; \ | |
2865 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2866 } \ | |
2867 o->Fieldname##_field_put(offset, value); \ | |
2868 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
2869 JNI_END | |
2870 | |
2871 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
2872 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
2873 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
2874 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
2875 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
2876 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
2877 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
2878 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
2879 | |
4006 | 2880 #else /* USDT2 */ |
2881 | |
2882 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
2883 , EntryProbe, ReturnProbe) \ | |
2884 \ | |
2885 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2886 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2887 \ | |
2888 EntryProbe; \ | |
2889 \ | |
2890 oop o = JNIHandles::resolve_non_null(obj); \ | |
2891 klassOop k = o->klass(); \ | |
2892 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2893 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2894 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2895 /* and creates a ResetNoHandleMark. */ \ | |
2896 if (JvmtiExport::should_post_field_modification()) { \ | |
2897 jvalue field_value; \ | |
2898 field_value.unionType = value; \ | |
2899 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2900 } \ | |
2901 o->Fieldname##_field_put(offset, value); \ | |
2902 ReturnProbe; \ | |
2903 JNI_END | |
2904 | |
2905 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
2906 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2907 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
2908 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
2909 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2910 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
2911 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
2912 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2913 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
2914 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
2915 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2916 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
2917 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
2918 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2919 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
2920 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
2921 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2922 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
2923 // Float and double probes don't return value because dtrace doesn't currently support it | |
2924 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
2925 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2926 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
2927 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
2928 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2929 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
2930 #endif /* USDT2 */ | |
2931 | |
2932 #ifndef USDT2 | |
0 | 2933 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
4006 | 2934 #else /* USDT2 */ |
2935 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
2936 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
2937 #endif /* USDT2 */ | |
0 | 2938 |
2939 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
2940 JNIWrapper("ToReflectedField"); | |
4006 | 2941 #ifndef USDT2 |
0 | 2942 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
2943 env, cls, fieldID, isStatic); | |
4006 | 2944 #else /* USDT2 */ |
2945 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
2946 env, cls, (uintptr_t) fieldID, isStatic); | |
2947 #endif /* USDT2 */ | |
0 | 2948 jobject ret = NULL; |
2949 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
2950 | |
2951 fieldDescriptor fd; | |
2952 bool found = false; | |
2953 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls)); | |
2954 | |
2955 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
2956 | |
2957 if (isStatic) { | |
2958 // Static field. The fieldID a JNIid specifying the field holder and the offset within the klassOop. | |
2959 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
2960 assert(id->is_static_field_id(), "invalid static field id"); | |
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|
2961 found = id->find_local_field(&fd); |
0 | 2962 } else { |
2963 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
2964 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
2965 found = instanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); | |
2966 } | |
2967 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
2968 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
2969 ret = JNIHandles::make_local(env, reflected); | |
2970 return ret; | |
2971 JNI_END | |
2972 | |
2973 | |
2974 // | |
2975 // Accessing Static Fields | |
2976 // | |
4006 | 2977 #ifndef USDT2 |
0 | 2978 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
4006 | 2979 #else /* USDT2 */ |
2980 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
2981 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2982 #endif /* USDT2 */ | |
0 | 2983 |
2984 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
2985 const char *name, const char *sig)) | |
2986 JNIWrapper("GetStaticFieldID"); | |
4006 | 2987 #ifndef USDT2 |
0 | 2988 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
4006 | 2989 #else /* USDT2 */ |
2990 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
2991 env, clazz, (char *) name, (char *) sig); | |
2992 #endif /* USDT2 */ | |
0 | 2993 jfieldID ret = NULL; |
2994 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
2995 | |
2996 // The class should have been loaded (we have an instance of the class | |
2997 // passed in) so the field and signature should already be in the symbol | |
2998 // table. If they're not there, the field doesn't exist. | |
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diff
changeset
|
2999 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
3582bf76420e
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diff
changeset
|
3000 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
3582bf76420e
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diff
changeset
|
3001 if (fieldname == NULL || signame == NULL) { |
0 | 3002 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
3003 } | |
3004 KlassHandle k(THREAD, | |
3005 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
3006 // Make sure class is initialized before handing id's out to static fields | |
3007 Klass::cast(k())->initialize(CHECK_NULL); | |
3008 | |
3009 fieldDescriptor fd; | |
3010 if (!Klass::cast(k())->oop_is_instance() || | |
2177
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coleenp
parents:
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diff
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|
3011 !instanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
0 | 3012 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
3013 } | |
3014 | |
3015 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
3016 JNIid* id = instanceKlass::cast(fd.field_holder())->jni_id_for(fd.offset()); | |
3017 debug_only(id->set_is_static_field_id();) | |
3018 | |
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|
3019 debug_only(id->verify(fd.field_holder())); |
0 | 3020 |
3021 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
3022 return ret; | |
3023 JNI_END | |
3024 | |
3025 | |
3026 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
3027 JNIWrapper("GetStaticObjectField"); | |
4006 | 3028 #ifndef USDT2 |
0 | 3029 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
4006 | 3030 #else /* USDT2 */ |
3031 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
3032 env, clazz, (uintptr_t) fieldID); | |
3033 #endif /* USDT2 */ | |
0 | 3034 #ifndef JNICHECK_KERNEL |
3035 DEBUG_ONLY(klassOop param_k = jniCheck::validate_class(thread, clazz);) | |
3036 #endif // JNICHECK_KERNEL | |
3037 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
3038 assert(id->is_static_field_id(), "invalid static field id"); | |
3039 // Keep JVMTI addition small and only check enabled flag here. | |
3040 // jni_GetField_probe() assumes that is okay to create handles. | |
3041 if (JvmtiExport::should_post_field_access()) { | |
3042 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
3043 } | |
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|
3044 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
4006 | 3045 #ifndef USDT2 |
0 | 3046 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
4006 | 3047 #else /* USDT2 */ |
3048 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
3049 ret); | |
3050 #endif /* USDT2 */ | |
0 | 3051 return ret; |
3052 JNI_END | |
3053 | |
4006 | 3054 #ifndef USDT2 |
0 | 3055 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
3056 \ | |
3057 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
3058 \ | |
3059 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3060 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3061 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
3062 Return ret = 0;\ | |
3063 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3064 (const Return&)ret);\ | |
3065 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3066 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3067 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3068 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3069 if (JvmtiExport::should_post_field_access()) { \ | |
3070 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3071 } \ | |
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changeset
|
3072 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
0 | 3073 return ret;\ |
3074 JNI_END | |
3075 | |
3076 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
3077 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
3078 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
3079 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
3080 DEFINE_GETSTATICFIELD(jint, int, Int) | |
3081 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
3082 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
3083 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
3084 | |
4006 | 3085 #else /* USDT2 */ |
3086 | |
3087 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
3088 , EntryProbe, ReturnProbe) \ | |
3089 \ | |
3090 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
3091 , ReturnProbe); \ | |
3092 \ | |
3093 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3094 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3095 EntryProbe; \ | |
3096 Return ret = 0;\ | |
3097 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3098 (const Return&)ret);\ | |
3099 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3100 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3101 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3102 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3103 if (JvmtiExport::should_post_field_access()) { \ | |
3104 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3105 } \ | |
3106 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
3107 return ret;\ | |
3108 JNI_END | |
3109 | |
3110 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
3111 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
3112 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
3113 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
3114 DEFINE_GETSTATICFIELD(jchar, char, Char | |
3115 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
3116 DEFINE_GETSTATICFIELD(jshort, short, Short | |
3117 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
3118 DEFINE_GETSTATICFIELD(jint, int, Int | |
3119 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
3120 DEFINE_GETSTATICFIELD(jlong, long, Long | |
3121 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
3122 // Float and double probes don't return value because dtrace doesn't currently support it | |
3123 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
3124 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
3125 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
3126 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
3127 #endif /* USDT2 */ | |
0 | 3128 |
3129 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
3130 JNIWrapper("SetStaticObjectField"); | |
4006 | 3131 #ifndef USDT2 |
0 | 3132 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
4006 | 3133 #else /* USDT2 */ |
3134 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
3135 env, clazz, (uintptr_t) fieldID, value); | |
3136 #endif /* USDT2 */ | |
0 | 3137 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
3138 assert(id->is_static_field_id(), "invalid static field id"); | |
3139 // Keep JVMTI addition small and only check enabled flag here. | |
3140 // jni_SetField_probe() assumes that is okay to create handles. | |
3141 if (JvmtiExport::should_post_field_modification()) { | |
3142 jvalue field_value; | |
3143 field_value.l = value; | |
3144 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
3145 } | |
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diff
changeset
|
3146 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
4006 | 3147 #ifndef USDT2 |
0 | 3148 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
4006 | 3149 #else /* USDT2 */ |
3150 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
3151 ); | |
3152 #endif /* USDT2 */ | |
0 | 3153 JNI_END |
3154 | |
3155 | |
4006 | 3156 #ifndef USDT2 |
0 | 3157 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
3158 \ | |
3159 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3160 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3161 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, SetStatic##Result##Field__entry,\ | |
3162 ( JNIEnv*, jclass, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
3163 HS_DTRACE_PROBE_N(hotspot_jni, SetStatic##Result##Field__entry, \ | |
3164 ( env, clazz, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
3165 \ | |
3166 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3167 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3168 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3169 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3170 if (JvmtiExport::should_post_field_modification()) { \ | |
3171 jvalue field_value; \ | |
3172 field_value.unionType = value; \ | |
3173 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3174 } \ | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3175 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
0 | 3176 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
3177 JNI_END | |
3178 | |
3179 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
3180 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
3181 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
3182 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
3183 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
3184 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
3185 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
3186 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
3187 | |
4006 | 3188 #else /* USDT2 */ |
3189 | |
3190 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
3191 , EntryProbe, ReturnProbe) \ | |
3192 \ | |
3193 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3194 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3195 EntryProbe; \ | |
3196 \ | |
3197 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3198 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3199 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3200 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3201 if (JvmtiExport::should_post_field_modification()) { \ | |
3202 jvalue field_value; \ | |
3203 field_value.unionType = value; \ | |
3204 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3205 } \ | |
3206 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
3207 ReturnProbe;\ | |
3208 JNI_END | |
3209 | |
3210 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
3211 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
3212 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
3213 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
3214 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3215 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
3216 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
3217 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3218 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
3219 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
3220 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3221 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
3222 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
3223 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3224 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
3225 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
3226 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3227 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
3228 // Float and double probes don't return value because dtrace doesn't currently support it | |
3229 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
3230 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3231 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
3232 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
3233 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3234 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
3235 #endif /* USDT2 */ | |
0 | 3236 |
3237 // | |
3238 // String Operations | |
3239 // | |
3240 | |
3241 // Unicode Interface | |
3242 | |
4006 | 3243 #ifndef USDT2 |
0 | 3244 DT_RETURN_MARK_DECL(NewString, jstring); |
4006 | 3245 #else /* USDT2 */ |
3246 DT_RETURN_MARK_DECL(NewString, jstring | |
3247 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
3248 #endif /* USDT2 */ | |
0 | 3249 |
3250 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
3251 JNIWrapper("NewString"); | |
4006 | 3252 #ifndef USDT2 |
0 | 3253 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
4006 | 3254 #else /* USDT2 */ |
3255 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
3256 env, (uint16_t *) unicodeChars, len); | |
3257 #endif /* USDT2 */ | |
0 | 3258 jstring ret = NULL; |
3259 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
3260 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
3261 ret = (jstring) JNIHandles::make_local(env, string); | |
3262 return ret; | |
3263 JNI_END | |
3264 | |
3265 | |
3266 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
3267 JNIWrapper("GetStringLength"); | |
4006 | 3268 #ifndef USDT2 |
0 | 3269 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
4006 | 3270 #else /* USDT2 */ |
3271 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
3272 env, string); | |
3273 #endif /* USDT2 */ | |
0 | 3274 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
4006 | 3275 #ifndef USDT2 |
0 | 3276 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
4006 | 3277 #else /* USDT2 */ |
3278 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
3279 ret); | |
3280 #endif /* USDT2 */ | |
0 | 3281 return ret; |
3282 JNI_END | |
3283 | |
3284 | |
3285 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
3286 JNIEnv *env, jstring string, jboolean *isCopy)) | |
3287 JNIWrapper("GetStringChars"); | |
4006 | 3288 #ifndef USDT2 |
0 | 3289 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
4006 | 3290 #else /* USDT2 */ |
3291 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
3292 env, string, (uintptr_t *) isCopy); | |
3293 #endif /* USDT2 */ | |
0 | 3294 //%note jni_5 |
3295 if (isCopy != NULL) { | |
3296 *isCopy = JNI_TRUE; | |
3297 } | |
3298 oop s = JNIHandles::resolve_non_null(string); | |
3299 int s_len = java_lang_String::length(s); | |
3300 typeArrayOop s_value = java_lang_String::value(s); | |
3301 int s_offset = java_lang_String::offset(s); | |
6197 | 3302 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1, mtInternal); // add one for zero termination |
0 | 3303 if (s_len > 0) { |
3304 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
3305 } | |
3306 buf[s_len] = 0; | |
4006 | 3307 #ifndef USDT2 |
0 | 3308 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
4006 | 3309 #else /* USDT2 */ |
3310 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
3311 buf); | |
3312 #endif /* USDT2 */ | |
0 | 3313 return buf; |
3314 JNI_END | |
3315 | |
3316 | |
3317 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
3318 JNIWrapper("ReleaseStringChars"); | |
4006 | 3319 #ifndef USDT2 |
0 | 3320 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
4006 | 3321 #else /* USDT2 */ |
3322 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
3323 env, str, (uint16_t *) chars); | |
3324 #endif /* USDT2 */ | |
0 | 3325 //%note jni_6 |
3326 if (chars != NULL) { | |
3327 // Since String objects are supposed to be immutable, don't copy any | |
3328 // new data back. A bad user will have to go after the char array. | |
3329 FreeHeap((void*) chars); | |
3330 } | |
4006 | 3331 #ifndef USDT2 |
0 | 3332 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
4006 | 3333 #else /* USDT2 */ |
3334 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
3335 ); | |
3336 #endif /* USDT2 */ | |
0 | 3337 JNI_END |
3338 | |
3339 | |
3340 // UTF Interface | |
3341 | |
4006 | 3342 #ifndef USDT2 |
0 | 3343 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
4006 | 3344 #else /* USDT2 */ |
3345 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
3346 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
3347 #endif /* USDT2 */ | |
0 | 3348 |
3349 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
3350 JNIWrapper("NewStringUTF"); | |
4006 | 3351 #ifndef USDT2 |
0 | 3352 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
4006 | 3353 #else /* USDT2 */ |
3354 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
3355 env, (char *) bytes); | |
3356 #endif /* USDT2 */ | |
0 | 3357 jstring ret; |
3358 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
3359 | |
3360 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
3361 ret = (jstring) JNIHandles::make_local(env, result); | |
3362 return ret; | |
3363 JNI_END | |
3364 | |
3365 | |
3366 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
3367 JNIWrapper("GetStringUTFLength"); | |
4006 | 3368 #ifndef USDT2 |
0 | 3369 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
4006 | 3370 #else /* USDT2 */ |
3371 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
3372 env, string); | |
3373 #endif /* USDT2 */ | |
0 | 3374 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
4006 | 3375 #ifndef USDT2 |
0 | 3376 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
4006 | 3377 #else /* USDT2 */ |
3378 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
3379 ret); | |
3380 #endif /* USDT2 */ | |
0 | 3381 return ret; |
3382 JNI_END | |
3383 | |
3384 | |
3385 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
3386 JNIWrapper("GetStringUTFChars"); | |
4006 | 3387 #ifndef USDT2 |
0 | 3388 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
4006 | 3389 #else /* USDT2 */ |
3390 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
3391 env, string, (uintptr_t *) isCopy); | |
3392 #endif /* USDT2 */ | |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3393 oop java_string = JNIHandles::resolve_non_null(string); |
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3394 size_t length = java_lang_String::utf8_length(java_string); |
6197 | 3395 char* result = AllocateHeap(length + 1, mtInternal); |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3396 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
0 | 3397 if (isCopy != NULL) *isCopy = JNI_TRUE; |
4006 | 3398 #ifndef USDT2 |
0 | 3399 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
4006 | 3400 #else /* USDT2 */ |
3401 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
3402 result); | |
3403 #endif /* USDT2 */ | |
0 | 3404 return result; |
3405 JNI_END | |
3406 | |
3407 | |
3408 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
3409 JNIWrapper("ReleaseStringUTFChars"); | |
4006 | 3410 #ifndef USDT2 |
0 | 3411 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
4006 | 3412 #else /* USDT2 */ |
3413 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
3414 env, str, (char *) chars); | |
3415 #endif /* USDT2 */ | |
0 | 3416 if (chars != NULL) { |
3417 FreeHeap((char*) chars); | |
3418 } | |
4006 | 3419 #ifndef USDT2 |
0 | 3420 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
4006 | 3421 #else /* USDT2 */ |
3422 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
3423 ); | |
3424 #endif /* USDT2 */ | |
0 | 3425 JNI_END |
3426 | |
3427 | |
3428 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
3429 JNIWrapper("GetArrayLength"); | |
4006 | 3430 #ifndef USDT2 |
0 | 3431 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
4006 | 3432 #else /* USDT2 */ |
3433 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
3434 env, array); | |
3435 #endif /* USDT2 */ | |
0 | 3436 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
3437 assert(a->is_array(), "must be array"); | |
3438 jsize ret = a->length(); | |
4006 | 3439 #ifndef USDT2 |
0 | 3440 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
4006 | 3441 #else /* USDT2 */ |
3442 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
3443 ret); | |
3444 #endif /* USDT2 */ | |
0 | 3445 return ret; |
3446 JNI_END | |
3447 | |
3448 | |
3449 // | |
3450 // Object Array Operations | |
3451 // | |
3452 | |
4006 | 3453 #ifndef USDT2 |
0 | 3454 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
4006 | 3455 #else /* USDT2 */ |
3456 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
3457 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
3458 #endif /* USDT2 */ | |
0 | 3459 |
3460 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
3461 JNIWrapper("NewObjectArray"); | |
4006 | 3462 #ifndef USDT2 |
0 | 3463 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
4006 | 3464 #else /* USDT2 */ |
3465 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
3466 env, length, elementClass, initialElement); | |
3467 #endif /* USDT2 */ | |
0 | 3468 jobjectArray ret = NULL; |
3469 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
3470 KlassHandle ek(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(elementClass))); | |
3471 klassOop ako = Klass::cast(ek())->array_klass(CHECK_NULL); | |
3472 KlassHandle ak = KlassHandle(THREAD, ako); | |
3473 objArrayKlass::cast(ak())->initialize(CHECK_NULL); | |
3474 objArrayOop result = objArrayKlass::cast(ak())->allocate(length, CHECK_NULL); | |
3475 oop initial_value = JNIHandles::resolve(initialElement); | |
3476 if (initial_value != NULL) { // array already initialized with NULL | |
3477 for (int index = 0; index < length; index++) { | |
3478 result->obj_at_put(index, initial_value); | |
3479 } | |
3480 } | |
3481 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
3482 return ret; | |
3483 JNI_END | |
3484 | |
4006 | 3485 #ifndef USDT2 |
0 | 3486 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
4006 | 3487 #else /* USDT2 */ |
3488 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
3489 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
3490 #endif /* USDT2 */ | |
0 | 3491 |
3492 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
3493 JNIWrapper("GetObjectArrayElement"); | |
4006 | 3494 #ifndef USDT2 |
0 | 3495 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
4006 | 3496 #else /* USDT2 */ |
3497 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
3498 env, array, index); | |
3499 #endif /* USDT2 */ | |
0 | 3500 jobject ret = NULL; |
3501 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
3502 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3503 if (a->is_within_bounds(index)) { | |
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3504 ret = JNIHandles::make_local(env, a->obj_at(index)); |
0 | 3505 return ret; |
3506 } else { | |
3507 char buf[jintAsStringSize]; | |
3508 sprintf(buf, "%d", index); | |
3509 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3510 } | |
3511 JNI_END | |
3512 | |
4006 | 3513 #ifndef USDT2 |
0 | 3514 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
4006 | 3515 #else /* USDT2 */ |
3516 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
3517 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
3518 #endif /* USDT2 */ | |
0 | 3519 |
3520 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
3521 JNIWrapper("SetObjectArrayElement"); | |
4006 | 3522 #ifndef USDT2 |
0 | 3523 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
4006 | 3524 #else /* USDT2 */ |
3525 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
3526 env, array, index, value); | |
3527 #endif /* USDT2 */ | |
0 | 3528 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
3529 | |
3530 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3531 oop v = JNIHandles::resolve(value); | |
3532 if (a->is_within_bounds(index)) { | |
3533 if (v == NULL || v->is_a(objArrayKlass::cast(a->klass())->element_klass())) { | |
3534 a->obj_at_put(index, v); | |
3535 } else { | |
3536 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
3537 } | |
3538 } else { | |
3539 char buf[jintAsStringSize]; | |
3540 sprintf(buf, "%d", index); | |
3541 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3542 } | |
3543 JNI_END | |
3544 | |
3545 | |
4006 | 3546 #ifndef USDT2 |
0 | 3547 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
3548 \ | |
4006 | 3549 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
0 | 3550 \ |
3551 JNI_ENTRY(Return, \ | |
3552 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3553 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3554 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
3555 Return ret = NULL;\ | |
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3556 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
0 | 3557 \ |
3558 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3559 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3560 return ret;\ | |
3561 JNI_END | |
3562 | |
3563 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
3564 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
3565 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
3566 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
3567 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
3568 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
3569 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
3570 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
3571 | |
4006 | 3572 #else /* USDT2 */ |
3573 | |
3574 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
3575 ,EntryProbe,ReturnProbe) \ | |
3576 \ | |
3577 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
3578 , ReturnProbe); \ | |
3579 \ | |
3580 JNI_ENTRY(Return, \ | |
3581 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3582 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3583 EntryProbe; \ | |
3584 Return ret = NULL;\ | |
3585 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
3586 \ | |
3587 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3588 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3589 return ret;\ | |
3590 JNI_END | |
3591 | |
3592 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
3593 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
3594 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
3595 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
3596 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
3597 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
3598 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
3599 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
3600 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
3601 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
3602 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
3603 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
3604 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
3605 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
3606 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
3607 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
3608 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
3609 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
3610 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
3611 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
3612 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
3613 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
3614 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
3615 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
3616 #endif /* USDT2 */ | |
0 | 3617 |
3618 // Return an address which will fault if the caller writes to it. | |
3619 | |
3620 static char* get_bad_address() { | |
3621 static char* bad_address = NULL; | |
3622 if (bad_address == NULL) { | |
3623 size_t size = os::vm_allocation_granularity(); | |
3624 bad_address = os::reserve_memory(size); | |
3625 if (bad_address != NULL) { | |
477
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
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parents:
237
diff
changeset
|
3626 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
237
diff
changeset
|
3627 /*is_committed*/false); |
0 | 3628 } |
3629 } | |
3630 return bad_address; | |
3631 } | |
3632 | |
3633 | |
4006 | 3634 #ifndef USDT2 |
0 | 3635 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
3636 \ | |
3637 JNI_QUICK_ENTRY(ElementType*, \ | |
3638 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3639 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3640 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
3641 /* allocate an chunk of memory in c land */ \ | |
3642 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3643 ElementType* result; \ | |
3644 int len = a->length(); \ | |
3645 if (len == 0) { \ | |
3646 /* Empty array: legal but useless, can't return NULL. \ | |
3647 * Return a pointer to something useless. \ | |
3648 * Avoid asserts in typeArrayOop. */ \ | |
3649 result = (ElementType*)get_bad_address(); \ | |
3650 } else { \ | |
6197 | 3651 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
0 | 3652 /* copy the array to the c chunk */ \ |
3653 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3654 } \ | |
3655 if (isCopy) *isCopy = JNI_TRUE; \ | |
3656 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
3657 return result; \ | |
3658 JNI_END | |
3659 | |
3660 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3661 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3662 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3663 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3664 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3665 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3666 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3667 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3668 | |
4006 | 3669 #else /* USDT2 */ |
3670 | |
3671 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
3672 , EntryProbe, ReturnProbe) \ | |
3673 \ | |
3674 JNI_QUICK_ENTRY(ElementType*, \ | |
3675 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3676 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3677 EntryProbe; \ | |
3678 /* allocate an chunk of memory in c land */ \ | |
3679 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3680 ElementType* result; \ | |
3681 int len = a->length(); \ | |
3682 if (len == 0) { \ | |
3683 /* Empty array: legal but useless, can't return NULL. \ | |
3684 * Return a pointer to something useless. \ | |
3685 * Avoid asserts in typeArrayOop. */ \ | |
3686 result = (ElementType*)get_bad_address(); \ | |
3687 } else { \ | |
6197 | 3688 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
4006 | 3689 /* copy the array to the c chunk */ \ |
3690 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3691 } \ | |
3692 if (isCopy) *isCopy = JNI_TRUE; \ | |
3693 ReturnProbe; \ | |
3694 return result; \ | |
3695 JNI_END | |
3696 | |
3697 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3698 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3699 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
3700 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3701 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3702 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
3703 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3704 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3705 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
3706 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3707 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3708 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
3709 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3710 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3711 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
3712 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3713 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3714 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
3715 // Float and double probes don't return value because dtrace doesn't currently support it | |
3716 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3717 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3718 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
3719 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3720 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3721 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
3722 #endif /* USDT2 */ | |
3723 | |
3724 #ifndef USDT2 | |
0 | 3725 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
3726 \ | |
3727 JNI_QUICK_ENTRY(void, \ | |
3728 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3729 ElementType *buf, jint mode)) \ | |
3730 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3731 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
3732 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3733 int len = a->length(); \ | |
3734 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3735 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3736 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3737 } \ | |
3738 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3739 FreeHeap(buf); \ | |
3740 } \ | |
3741 } \ | |
3742 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
3743 JNI_END | |
3744 | |
3745 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3747 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3748 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3750 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3751 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3752 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3753 | |
4006 | 3754 #else /* USDT2 */ |
3755 | |
3756 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
3757 , EntryProbe, ReturnProbe);\ | |
3758 \ | |
3759 JNI_QUICK_ENTRY(void, \ | |
3760 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3761 ElementType *buf, jint mode)) \ | |
3762 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3763 EntryProbe; \ | |
3764 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3765 int len = a->length(); \ | |
3766 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3767 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3768 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3769 } \ | |
3770 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3771 FreeHeap(buf); \ | |
3772 } \ | |
3773 } \ | |
3774 ReturnProbe; \ | |
3775 JNI_END | |
3776 | |
3777 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3778 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3779 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
3780 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3781 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
3782 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
3783 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3784 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3785 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
3786 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3787 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3788 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
3789 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3790 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
3791 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
3792 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3793 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3794 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
3795 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3796 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
3797 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
3798 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3799 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
3800 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
3801 #endif /* USDT2 */ | |
3802 | |
3803 #ifndef USDT2 | |
0 | 3804 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3805 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
3806 \ | |
3807 JNI_ENTRY(void, \ | |
3808 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3809 jsize len, ElementType *buf)) \ | |
3810 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3811 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3812 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3813 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3814 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3815 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3816 } else { \ | |
3817 if (len > 0) { \ | |
3818 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
3819 memcpy((u_char*) buf, \ | |
3820 (u_char*) src->Tag##_at_addr(start), \ | |
3821 len << sc); \ | |
3822 } \ | |
3823 } \ | |
3824 JNI_END | |
3825 | |
3826 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
3827 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3828 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3829 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3830 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3831 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3832 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3833 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3834 | |
4006 | 3835 #else /* USDT2 */ |
3836 | |
3837 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3838 , EntryProbe, ReturnProbe); \ | |
3839 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
3840 , ReturnProbe); \ | |
3841 \ | |
3842 JNI_ENTRY(void, \ | |
3843 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3844 jsize len, ElementType *buf)) \ | |
3845 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3846 EntryProbe; \ | |
3847 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3848 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3849 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3850 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3851 } else { \ | |
3852 if (len > 0) { \ | |
3853 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
3854 memcpy((u_char*) buf, \ | |
3855 (u_char*) src->Tag##_at_addr(start), \ | |
3856 len << sc); \ | |
3857 } \ | |
3858 } \ | |
3859 JNI_END | |
3860 | |
3861 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
3862 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3863 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
3864 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3865 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3866 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
3867 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3868 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3869 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
3870 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3871 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
3872 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
3873 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
3874 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
3875 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
3876 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3877 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3878 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
3879 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3880 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3881 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
3882 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3883 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3884 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
3885 #endif /* USDT2 */ | |
3886 | |
3887 #ifndef USDT2 | |
0 | 3888 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3889 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
3890 \ | |
3891 JNI_ENTRY(void, \ | |
3892 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3893 jsize len, const ElementType *buf)) \ | |
3894 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3895 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3896 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3897 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3898 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3899 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3900 } else { \ | |
3901 if (len > 0) { \ | |
3902 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
3903 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
3904 (u_char*) buf, \ | |
3905 len << sc); \ | |
3906 } \ | |
3907 } \ | |
3908 JNI_END | |
3909 | |
3910 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
3911 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3912 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3913 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3914 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3915 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3916 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3917 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3918 | |
4006 | 3919 #else /* USDT2 */ |
3920 | |
3921 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3922 , EntryProbe, ReturnProbe); \ | |
3923 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
3924 ,ReturnProbe); \ | |
3925 \ | |
3926 JNI_ENTRY(void, \ | |
3927 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3928 jsize len, const ElementType *buf)) \ | |
3929 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3930 EntryProbe; \ | |
3931 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3932 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3933 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3934 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3935 } else { \ | |
3936 if (len > 0) { \ | |
3937 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
3938 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
3939 (u_char*) buf, \ | |
3940 len << sc); \ | |
3941 } \ | |
3942 } \ | |
3943 JNI_END | |
3944 | |
3945 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
3946 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
3947 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
3948 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3949 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3950 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
3951 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3952 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3953 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
3954 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3955 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3956 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
3957 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
3958 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
3959 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
3960 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3961 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3962 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
3963 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3964 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3965 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
3966 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3967 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3968 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
3969 #endif /* USDT2 */ | |
3970 | |
0 | 3971 |
3972 // | |
3973 // Interception of natives | |
3974 // | |
3975 | |
3976 // The RegisterNatives call being attempted tried to register with a method that | |
3977 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
3978 // to see if the native method is now wrapped with the prefixes. See the | |
3979 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
3980 static methodOop find_prefixed_native(KlassHandle k, | |
2177
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|
3981 Symbol* name, Symbol* signature, TRAPS) { |
0 | 3982 ResourceMark rm(THREAD); |
3983 methodOop method; | |
3984 int name_len = name->utf8_length(); | |
3985 char* name_str = name->as_utf8(); | |
3986 int prefix_count; | |
3987 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
3988 for (int i = 0; i < prefix_count; i++) { | |
3989 char* prefix = prefixes[i]; | |
3990 int prefix_len = (int)strlen(prefix); | |
3991 | |
3992 // try adding this prefix to the method name and see if it matches another method name | |
3993 int trial_len = name_len + prefix_len; | |
3994 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
3995 strcpy(trial_name_str, prefix); | |
3996 strcat(trial_name_str, name_str); | |
2177
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3997 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
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3998 if (trial_name == NULL) { |
0 | 3999 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
4000 } | |
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4001 method = Klass::cast(k())->lookup_method(trial_name, signature); |
0 | 4002 if (method == NULL) { |
4003 continue; // signature doesn't match, try the next prefix | |
4004 } | |
4005 if (method->is_native()) { | |
4006 method->set_is_prefixed_native(); | |
4007 return method; // wahoo, we found a prefixed version of the method, return it | |
4008 } | |
4009 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
4010 name_len = trial_len; | |
4011 name_str = trial_name_str; | |
4012 } | |
4013 return NULL; // not found | |
4014 } | |
4015 | |
2177
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4016 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
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diff
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|
4017 methodOop method = Klass::cast(k())->lookup_method(name, signature); |
0 | 4018 if (method == NULL) { |
4019 ResourceMark rm; | |
4020 stringStream st; | |
4021 st.print("Method %s name or signature does not match", | |
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4022 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
0 | 4023 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
4024 } | |
4025 if (!method->is_native()) { | |
4026 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
4027 method = find_prefixed_native(k, name, signature, THREAD); | |
4028 if (method == NULL) { | |
4029 ResourceMark rm; | |
4030 stringStream st; | |
4031 st.print("Method %s is not declared as native", | |
2177
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|
4032 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
0 | 4033 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
4034 } | |
4035 } | |
4036 | |
4037 if (entry != NULL) { | |
4038 method->set_native_function(entry, | |
4039 methodOopDesc::native_bind_event_is_interesting); | |
4040 } else { | |
4041 method->clear_native_function(); | |
4042 } | |
4043 if (PrintJNIResolving) { | |
4044 ResourceMark rm(THREAD); | |
4045 tty->print_cr("[Registering JNI native method %s.%s]", | |
4046 Klass::cast(method->method_holder())->external_name(), | |
4047 method->name()->as_C_string()); | |
4048 } | |
4049 return true; | |
4050 } | |
4051 | |
4006 | 4052 #ifndef USDT2 |
0 | 4053 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
4006 | 4054 #else /* USDT2 */ |
4055 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
4056 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
4057 #endif /* USDT2 */ | |
0 | 4058 |
4059 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
4060 const JNINativeMethod *methods, | |
4061 jint nMethods)) | |
4062 JNIWrapper("RegisterNatives"); | |
4006 | 4063 #ifndef USDT2 |
0 | 4064 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
4006 | 4065 #else /* USDT2 */ |
4066 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
4067 env, clazz, (void *) methods, nMethods); | |
4068 #endif /* USDT2 */ | |
0 | 4069 jint ret = 0; |
4070 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
4071 | |
4072 KlassHandle h_k(thread, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
4073 | |
4074 for (int index = 0; index < nMethods; index++) { | |
4075 const char* meth_name = methods[index].name; | |
4076 const char* meth_sig = methods[index].signature; | |
4077 int meth_name_len = (int)strlen(meth_name); | |
4078 | |
4079 // The class should have been loaded (we have an instance of the class | |
4080 // passed in) so the method and signature should already be in the symbol | |
4081 // table. If they're not there, the method doesn't exist. | |
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|
4082 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
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|
4083 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
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|
4084 |
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|
4085 if (name == NULL || signature == NULL) { |
0 | 4086 ResourceMark rm; |
4087 stringStream st; | |
4088 st.print("Method %s.%s%s not found", Klass::cast(h_k())->external_name(), meth_name, meth_sig); | |
4089 // Must return negative value on failure | |
4090 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
4091 } | |
4092 | |
4093 bool res = register_native(h_k, name, signature, | |
4094 (address) methods[index].fnPtr, THREAD); | |
4095 if (!res) { | |
4096 ret = -1; | |
4097 break; | |
4098 } | |
4099 } | |
4100 return ret; | |
4101 JNI_END | |
4102 | |
4103 | |
4104 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
4105 JNIWrapper("UnregisterNatives"); | |
4006 | 4106 #ifndef USDT2 |
0 | 4107 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
4006 | 4108 #else /* USDT2 */ |
4109 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
4110 env, clazz); | |
4111 #endif /* USDT2 */ | |
0 | 4112 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz)); |
4113 //%note jni_2 | |
4114 if (Klass::cast(k)->oop_is_instance()) { | |
4115 for (int index = 0; index < instanceKlass::cast(k)->methods()->length(); index++) { | |
4116 methodOop m = methodOop(instanceKlass::cast(k)->methods()->obj_at(index)); | |
4117 if (m->is_native()) { | |
4118 m->clear_native_function(); | |
4119 m->set_signature_handler(NULL); | |
4120 } | |
4121 } | |
4122 } | |
4006 | 4123 #ifndef USDT2 |
0 | 4124 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
4006 | 4125 #else /* USDT2 */ |
4126 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
4127 0); | |
4128 #endif /* USDT2 */ | |
0 | 4129 return 0; |
4130 JNI_END | |
4131 | |
4132 // | |
4133 // Monitor functions | |
4134 // | |
4135 | |
4006 | 4136 #ifndef USDT2 |
0 | 4137 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
4006 | 4138 #else /* USDT2 */ |
4139 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
4140 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
4141 #endif /* USDT2 */ | |
0 | 4142 |
4143 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
4006 | 4144 #ifndef USDT2 |
0 | 4145 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
4006 | 4146 #else /* USDT2 */ |
4147 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
4148 env, jobj); | |
4149 #endif /* USDT2 */ | |
0 | 4150 jint ret = JNI_ERR; |
4151 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
4152 | |
4153 // If the object is null, we can't do anything with it | |
4154 if (jobj == NULL) { | |
4155 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4156 } | |
4157 | |
4158 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
4159 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
4160 ret = JNI_OK; | |
4161 return ret; | |
4162 JNI_END | |
4163 | |
4006 | 4164 #ifndef USDT2 |
0 | 4165 DT_RETURN_MARK_DECL(MonitorExit, jint); |
4006 | 4166 #else /* USDT2 */ |
4167 DT_RETURN_MARK_DECL(MonitorExit, jint | |
4168 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
4169 #endif /* USDT2 */ | |
0 | 4170 |
4171 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
4006 | 4172 #ifndef USDT2 |
0 | 4173 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
4006 | 4174 #else /* USDT2 */ |
4175 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
4176 env, jobj); | |
4177 #endif /* USDT2 */ | |
0 | 4178 jint ret = JNI_ERR; |
4179 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
4180 | |
4181 // Don't do anything with a null object | |
4182 if (jobj == NULL) { | |
4183 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4184 } | |
4185 | |
4186 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
4187 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
4188 | |
4189 ret = JNI_OK; | |
4190 return ret; | |
4191 JNI_END | |
4192 | |
4193 // | |
4194 // Extensions | |
4195 // | |
4196 | |
4006 | 4197 #ifndef USDT2 |
0 | 4198 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
4006 | 4199 #else /* USDT2 */ |
4200 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
4201 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
4202 #endif /* USDT2 */ | |
0 | 4203 |
4204 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
4205 JNIWrapper("GetStringRegion"); | |
4006 | 4206 #ifndef USDT2 |
0 | 4207 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
4006 | 4208 #else /* USDT2 */ |
4209 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
4210 env, string, start, len, buf); | |
4211 #endif /* USDT2 */ | |
0 | 4212 DT_VOID_RETURN_MARK(GetStringRegion); |
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 if (len > 0) { | |
4219 int s_offset = java_lang_String::offset(s); | |
4220 typeArrayOop s_value = java_lang_String::value(s); | |
4221 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
4222 } | |
4223 } | |
4224 JNI_END | |
4225 | |
4006 | 4226 #ifndef USDT2 |
0 | 4227 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
4006 | 4228 #else /* USDT2 */ |
4229 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
4230 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
4231 #endif /* USDT2 */ | |
0 | 4232 |
4233 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
4234 JNIWrapper("GetStringUTFRegion"); | |
4006 | 4235 #ifndef USDT2 |
0 | 4236 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
4006 | 4237 #else /* USDT2 */ |
4238 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
4239 env, string, start, len, buf); | |
4240 #endif /* USDT2 */ | |
0 | 4241 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
4242 oop s = JNIHandles::resolve_non_null(string); | |
4243 int s_len = java_lang_String::length(s); | |
4244 if (start < 0 || len < 0 || start + len > s_len) { | |
4245 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4246 } else { | |
4247 //%note jni_7 | |
4248 if (len > 0) { | |
4249 ResourceMark rm(THREAD); | |
4250 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
4251 int utf_len = (int)strlen(utf_region); | |
4252 memcpy(buf, utf_region, utf_len); | |
4253 buf[utf_len] = 0; | |
4254 } else { | |
4255 // JDK null-terminates the buffer even in len is zero | |
4256 if (buf != NULL) { | |
4257 buf[0] = 0; | |
4258 } | |
4259 } | |
4260 } | |
4261 JNI_END | |
4262 | |
4263 | |
4264 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
4265 JNIWrapper("GetPrimitiveArrayCritical"); | |
4006 | 4266 #ifndef USDT2 |
0 | 4267 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
4006 | 4268 #else /* USDT2 */ |
4269 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
4270 env, array, (uintptr_t *) isCopy); | |
4271 #endif /* USDT2 */ | |
0 | 4272 GC_locker::lock_critical(thread); |
4273 if (isCopy != NULL) { | |
4274 *isCopy = JNI_FALSE; | |
4275 } | |
4276 oop a = JNIHandles::resolve_non_null(array); | |
4277 assert(a->is_array(), "just checking"); | |
4278 BasicType type; | |
4279 if (a->is_objArray()) { | |
4280 type = T_OBJECT; | |
4281 } else { | |
4282 type = typeArrayKlass::cast(a->klass())->element_type(); | |
4283 } | |
4284 void* ret = arrayOop(a)->base(type); | |
4006 | 4285 #ifndef USDT2 |
0 | 4286 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
4006 | 4287 #else /* USDT2 */ |
4288 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
4289 ret); | |
4290 #endif /* USDT2 */ | |
0 | 4291 return ret; |
4292 JNI_END | |
4293 | |
4294 | |
4295 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
4296 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
4006 | 4297 #ifndef USDT2 |
0 | 4298 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
4006 | 4299 #else /* USDT2 */ |
4300 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
4301 env, array, carray, mode); | |
4302 #endif /* USDT2 */ | |
0 | 4303 // The array, carray and mode arguments are ignored |
4304 GC_locker::unlock_critical(thread); | |
4006 | 4305 #ifndef USDT2 |
0 | 4306 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
4006 | 4307 #else /* USDT2 */ |
4308 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
4309 ); | |
4310 #endif /* USDT2 */ | |
0 | 4311 JNI_END |
4312 | |
4313 | |
4314 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
4315 JNIWrapper("GetStringCritical"); | |
4006 | 4316 #ifndef USDT2 |
0 | 4317 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
4006 | 4318 #else /* USDT2 */ |
4319 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
4320 env, string, (uintptr_t *) isCopy); | |
4321 #endif /* USDT2 */ | |
0 | 4322 GC_locker::lock_critical(thread); |
4323 if (isCopy != NULL) { | |
4324 *isCopy = JNI_FALSE; | |
4325 } | |
4326 oop s = JNIHandles::resolve_non_null(string); | |
4327 int s_len = java_lang_String::length(s); | |
4328 typeArrayOop s_value = java_lang_String::value(s); | |
4329 int s_offset = java_lang_String::offset(s); | |
4330 const jchar* ret; | |
4331 if (s_len > 0) { | |
4332 ret = s_value->char_at_addr(s_offset); | |
4333 } else { | |
4334 ret = (jchar*) s_value->base(T_CHAR); | |
4335 } | |
4006 | 4336 #ifndef USDT2 |
0 | 4337 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
4006 | 4338 #else /* USDT2 */ |
4339 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
4340 (uint16_t *) ret); | |
4341 #endif /* USDT2 */ | |
0 | 4342 return ret; |
4343 JNI_END | |
4344 | |
4345 | |
4346 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
4347 JNIWrapper("ReleaseStringCritical"); | |
4006 | 4348 #ifndef USDT2 |
0 | 4349 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
4006 | 4350 #else /* USDT2 */ |
4351 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
4352 env, str, (uint16_t *) chars); | |
4353 #endif /* USDT2 */ | |
0 | 4354 // The str and chars arguments are ignored |
4355 GC_locker::unlock_critical(thread); | |
4006 | 4356 #ifndef USDT2 |
0 | 4357 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
4006 | 4358 #else /* USDT2 */ |
4359 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
4360 ); | |
4361 #endif /* USDT2 */ | |
0 | 4362 JNI_END |
4363 | |
4364 | |
4365 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
4366 JNIWrapper("jni_NewWeakGlobalRef"); | |
4006 | 4367 #ifndef USDT2 |
0 | 4368 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
4006 | 4369 #else /* USDT2 */ |
4370 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
4371 env, ref); | |
4372 #endif /* USDT2 */ | |
0 | 4373 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
4374 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
4006 | 4375 #ifndef USDT2 |
0 | 4376 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
4006 | 4377 #else /* USDT2 */ |
4378 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
4379 ret); | |
4380 #endif /* USDT2 */ | |
0 | 4381 return ret; |
4382 JNI_END | |
4383 | |
4384 // Must be JNI_ENTRY (with HandleMark) | |
4385 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
4386 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
4006 | 4387 #ifndef USDT2 |
0 | 4388 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
4006 | 4389 #else /* USDT2 */ |
4390 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
4391 env, ref); | |
4392 #endif /* USDT2 */ | |
0 | 4393 JNIHandles::destroy_weak_global(ref); |
4006 | 4394 #ifndef USDT2 |
0 | 4395 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
4006 | 4396 #else /* USDT2 */ |
4397 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
4398 ); | |
4399 #endif /* USDT2 */ | |
0 | 4400 JNI_END |
4401 | |
4402 | |
4403 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
4404 JNIWrapper("jni_ExceptionCheck"); | |
4006 | 4405 #ifndef USDT2 |
0 | 4406 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
4006 | 4407 #else /* USDT2 */ |
4408 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
4409 env); | |
4410 #endif /* USDT2 */ | |
0 | 4411 jni_check_async_exceptions(thread); |
4412 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
4006 | 4413 #ifndef USDT2 |
0 | 4414 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
4006 | 4415 #else /* USDT2 */ |
4416 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
4417 ret); | |
4418 #endif /* USDT2 */ | |
0 | 4419 return ret; |
4420 JNI_END | |
4421 | |
4422 | |
4423 // Initialization state for three routines below relating to | |
4424 // java.nio.DirectBuffers | |
4425 static jint directBufferSupportInitializeStarted = 0; | |
4426 static volatile jint directBufferSupportInitializeEnded = 0; | |
4427 static volatile jint directBufferSupportInitializeFailed = 0; | |
4428 static jclass bufferClass = NULL; | |
4429 static jclass directBufferClass = NULL; | |
4430 static jclass directByteBufferClass = NULL; | |
4431 static jmethodID directByteBufferConstructor = NULL; | |
4432 static jfieldID directBufferAddressField = NULL; | |
4433 static jfieldID bufferCapacityField = NULL; | |
4434 | |
4435 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
4436 Handle loader; // null (bootstrap) loader | |
4437 Handle protection_domain; // null protection domain | |
4438 | |
2177
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4439 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
657
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4440 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
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|
4441 |
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4442 if (TraceClassResolution && result != NULL) { |
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|
4443 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
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|
4444 } |
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|
4445 return result; |
0 | 4446 } |
4447 | |
4448 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
4449 // circumvent any security checks that would be done by jni_FindClass. | |
4450 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
4451 { | |
4452 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
4453 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
4454 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
4455 return true; | |
4456 } | |
4457 JNI_END | |
4458 | |
4459 | |
4460 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
4461 if (directBufferSupportInitializeFailed) { | |
4462 return false; | |
4463 } | |
4464 | |
4465 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
4466 if (!lookupDirectBufferClasses(env)) { | |
4467 directBufferSupportInitializeFailed = 1; | |
4468 return false; | |
4469 } | |
4470 | |
4471 // Make global references for these | |
4472 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
4473 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
4474 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
4475 | |
4476 // Get needed field and method IDs | |
4477 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
4478 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
4479 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
4480 | |
4481 if ((directByteBufferConstructor == NULL) || | |
4482 (directBufferAddressField == NULL) || | |
4483 (bufferCapacityField == NULL)) { | |
4484 directBufferSupportInitializeFailed = 1; | |
4485 return false; | |
4486 } | |
4487 | |
4488 directBufferSupportInitializeEnded = 1; | |
4489 } else { | |
4490 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
521
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4491 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
4db4e58c16bd
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4492 // os::sleep which requires the VM state transition. On other platforms, it |
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|
4493 // is not necessary. The following call to change the VM state is purposely |
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|
4494 // put inside the loop to avoid potential deadlock when multiple threads |
4db4e58c16bd
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|
4495 // try to call this method. See 6791815 for more details. |
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|
4496 ThreadInVMfromNative tivn(thread); |
0 | 4497 os::yield_all(); |
4498 } | |
4499 } | |
4500 | |
4501 return !directBufferSupportInitializeFailed; | |
4502 } | |
4503 | |
4504 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
4505 { | |
4506 // thread_from_jni_environment() will block if VM is gone. | |
4507 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4508 | |
4509 JNIWrapper("jni_NewDirectByteBuffer"); | |
4006 | 4510 #ifndef USDT2 |
0 | 4511 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
4006 | 4512 #else /* USDT2 */ |
4513 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
4514 env, address, capacity); | |
4515 #endif /* USDT2 */ | |
0 | 4516 |
4517 if (!directBufferSupportInitializeEnded) { | |
4518 if (!initializeDirectBufferSupport(env, thread)) { | |
4006 | 4519 #ifndef USDT2 |
0 | 4520 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
4006 | 4521 #else /* USDT2 */ |
4522 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4523 NULL); | |
4524 #endif /* USDT2 */ | |
0 | 4525 return NULL; |
4526 } | |
4527 } | |
4528 | |
4529 // Being paranoid about accidental sign extension on address | |
4530 jlong addr = (jlong) ((uintptr_t) address); | |
4531 // NOTE that package-private DirectByteBuffer constructor currently | |
4532 // takes int capacity | |
4533 jint cap = (jint) capacity; | |
4534 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
4006 | 4535 #ifndef USDT2 |
0 | 4536 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
4006 | 4537 #else /* USDT2 */ |
4538 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4539 ret); | |
4540 #endif /* USDT2 */ | |
0 | 4541 return ret; |
4542 } | |
4543 | |
4006 | 4544 #ifndef USDT2 |
0 | 4545 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
4006 | 4546 #else /* USDT2 */ |
4547 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
4548 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
4549 #endif /* USDT2 */ | |
0 | 4550 |
4551 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
4552 { | |
4553 // thread_from_jni_environment() will block if VM is gone. | |
4554 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4555 | |
4556 JNIWrapper("jni_GetDirectBufferAddress"); | |
4006 | 4557 #ifndef USDT2 |
0 | 4558 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
4006 | 4559 #else /* USDT2 */ |
4560 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
4561 env, buf); | |
4562 #endif /* USDT2 */ | |
0 | 4563 void* ret = NULL; |
4564 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
4565 | |
4566 if (!directBufferSupportInitializeEnded) { | |
4567 if (!initializeDirectBufferSupport(env, thread)) { | |
4568 return 0; | |
4569 } | |
4570 } | |
4571 | |
4572 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
4573 return 0; | |
4574 } | |
4575 | |
4576 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
4577 return ret; | |
4578 } | |
4579 | |
4006 | 4580 #ifndef USDT2 |
0 | 4581 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
4006 | 4582 #else /* USDT2 */ |
4583 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
4584 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
4585 #endif /* USDT2 */ | |
0 | 4586 |
4587 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
4588 { | |
4589 // thread_from_jni_environment() will block if VM is gone. | |
4590 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4591 | |
4592 JNIWrapper("jni_GetDirectBufferCapacity"); | |
4006 | 4593 #ifndef USDT2 |
0 | 4594 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
4006 | 4595 #else /* USDT2 */ |
4596 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
4597 env, buf); | |
4598 #endif /* USDT2 */ | |
0 | 4599 jlong ret = -1; |
4600 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
4601 | |
4602 if (!directBufferSupportInitializeEnded) { | |
4603 if (!initializeDirectBufferSupport(env, thread)) { | |
4604 ret = 0; | |
4605 return ret; | |
4606 } | |
4607 } | |
4608 | |
4609 if (buf == NULL) { | |
4610 return -1; | |
4611 } | |
4612 | |
4613 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
4614 return -1; | |
4615 } | |
4616 | |
4617 // NOTE that capacity is currently an int in the implementation | |
4618 ret = env->GetIntField(buf, bufferCapacityField); | |
4619 return ret; | |
4620 } | |
4621 | |
4622 | |
4623 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
4624 JNIWrapper("GetVersion"); | |
4006 | 4625 #ifndef USDT2 |
0 | 4626 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
4006 | 4627 #else /* USDT2 */ |
4628 HOTSPOT_JNI_GETVERSION_ENTRY( | |
4629 env); | |
4630 #endif /* USDT2 */ | |
4631 #ifndef USDT2 | |
0 | 4632 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
4006 | 4633 #else /* USDT2 */ |
4634 HOTSPOT_JNI_GETVERSION_RETURN( | |
4635 CurrentVersion); | |
4636 #endif /* USDT2 */ | |
0 | 4637 return CurrentVersion; |
4638 JNI_END | |
4639 | |
4640 extern struct JavaVM_ main_vm; | |
4641 | |
4642 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
4643 JNIWrapper("jni_GetJavaVM"); | |
4006 | 4644 #ifndef USDT2 |
0 | 4645 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
4006 | 4646 #else /* USDT2 */ |
4647 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
4648 env, (void **) vm); | |
4649 #endif /* USDT2 */ | |
0 | 4650 *vm = (JavaVM *)(&main_vm); |
4006 | 4651 #ifndef USDT2 |
0 | 4652 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
4006 | 4653 #else /* USDT2 */ |
4654 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
4655 JNI_OK); | |
4656 #endif /* USDT2 */ | |
0 | 4657 return JNI_OK; |
4658 JNI_END | |
4659 | |
4660 // Structure containing all jni functions | |
4661 struct JNINativeInterface_ jni_NativeInterface = { | |
4662 NULL, | |
4663 NULL, | |
4664 NULL, | |
4665 | |
4666 NULL, | |
4667 | |
4668 jni_GetVersion, | |
4669 | |
4670 jni_DefineClass, | |
4671 jni_FindClass, | |
4672 | |
4673 jni_FromReflectedMethod, | |
4674 jni_FromReflectedField, | |
4675 | |
4676 jni_ToReflectedMethod, | |
4677 | |
4678 jni_GetSuperclass, | |
4679 jni_IsAssignableFrom, | |
4680 | |
4681 jni_ToReflectedField, | |
4682 | |
4683 jni_Throw, | |
4684 jni_ThrowNew, | |
4685 jni_ExceptionOccurred, | |
4686 jni_ExceptionDescribe, | |
4687 jni_ExceptionClear, | |
4688 jni_FatalError, | |
4689 | |
4690 jni_PushLocalFrame, | |
4691 jni_PopLocalFrame, | |
4692 | |
4693 jni_NewGlobalRef, | |
4694 jni_DeleteGlobalRef, | |
4695 jni_DeleteLocalRef, | |
4696 jni_IsSameObject, | |
4697 | |
4698 jni_NewLocalRef, | |
4699 jni_EnsureLocalCapacity, | |
4700 | |
4701 jni_AllocObject, | |
4702 jni_NewObject, | |
4703 jni_NewObjectV, | |
4704 jni_NewObjectA, | |
4705 | |
4706 jni_GetObjectClass, | |
4707 jni_IsInstanceOf, | |
4708 | |
4709 jni_GetMethodID, | |
4710 | |
4711 jni_CallObjectMethod, | |
4712 jni_CallObjectMethodV, | |
4713 jni_CallObjectMethodA, | |
4714 jni_CallBooleanMethod, | |
4715 jni_CallBooleanMethodV, | |
4716 jni_CallBooleanMethodA, | |
4717 jni_CallByteMethod, | |
4718 jni_CallByteMethodV, | |
4719 jni_CallByteMethodA, | |
4720 jni_CallCharMethod, | |
4721 jni_CallCharMethodV, | |
4722 jni_CallCharMethodA, | |
4723 jni_CallShortMethod, | |
4724 jni_CallShortMethodV, | |
4725 jni_CallShortMethodA, | |
4726 jni_CallIntMethod, | |
4727 jni_CallIntMethodV, | |
4728 jni_CallIntMethodA, | |
4729 jni_CallLongMethod, | |
4730 jni_CallLongMethodV, | |
4731 jni_CallLongMethodA, | |
4732 jni_CallFloatMethod, | |
4733 jni_CallFloatMethodV, | |
4734 jni_CallFloatMethodA, | |
4735 jni_CallDoubleMethod, | |
4736 jni_CallDoubleMethodV, | |
4737 jni_CallDoubleMethodA, | |
4738 jni_CallVoidMethod, | |
4739 jni_CallVoidMethodV, | |
4740 jni_CallVoidMethodA, | |
4741 | |
4742 jni_CallNonvirtualObjectMethod, | |
4743 jni_CallNonvirtualObjectMethodV, | |
4744 jni_CallNonvirtualObjectMethodA, | |
4745 jni_CallNonvirtualBooleanMethod, | |
4746 jni_CallNonvirtualBooleanMethodV, | |
4747 jni_CallNonvirtualBooleanMethodA, | |
4748 jni_CallNonvirtualByteMethod, | |
4749 jni_CallNonvirtualByteMethodV, | |
4750 jni_CallNonvirtualByteMethodA, | |
4751 jni_CallNonvirtualCharMethod, | |
4752 jni_CallNonvirtualCharMethodV, | |
4753 jni_CallNonvirtualCharMethodA, | |
4754 jni_CallNonvirtualShortMethod, | |
4755 jni_CallNonvirtualShortMethodV, | |
4756 jni_CallNonvirtualShortMethodA, | |
4757 jni_CallNonvirtualIntMethod, | |
4758 jni_CallNonvirtualIntMethodV, | |
4759 jni_CallNonvirtualIntMethodA, | |
4760 jni_CallNonvirtualLongMethod, | |
4761 jni_CallNonvirtualLongMethodV, | |
4762 jni_CallNonvirtualLongMethodA, | |
4763 jni_CallNonvirtualFloatMethod, | |
4764 jni_CallNonvirtualFloatMethodV, | |
4765 jni_CallNonvirtualFloatMethodA, | |
4766 jni_CallNonvirtualDoubleMethod, | |
4767 jni_CallNonvirtualDoubleMethodV, | |
4768 jni_CallNonvirtualDoubleMethodA, | |
4769 jni_CallNonvirtualVoidMethod, | |
4770 jni_CallNonvirtualVoidMethodV, | |
4771 jni_CallNonvirtualVoidMethodA, | |
4772 | |
4773 jni_GetFieldID, | |
4774 | |
4775 jni_GetObjectField, | |
4776 jni_GetBooleanField, | |
4777 jni_GetByteField, | |
4778 jni_GetCharField, | |
4779 jni_GetShortField, | |
4780 jni_GetIntField, | |
4781 jni_GetLongField, | |
4782 jni_GetFloatField, | |
4783 jni_GetDoubleField, | |
4784 | |
4785 jni_SetObjectField, | |
4786 jni_SetBooleanField, | |
4787 jni_SetByteField, | |
4788 jni_SetCharField, | |
4789 jni_SetShortField, | |
4790 jni_SetIntField, | |
4791 jni_SetLongField, | |
4792 jni_SetFloatField, | |
4793 jni_SetDoubleField, | |
4794 | |
4795 jni_GetStaticMethodID, | |
4796 | |
4797 jni_CallStaticObjectMethod, | |
4798 jni_CallStaticObjectMethodV, | |
4799 jni_CallStaticObjectMethodA, | |
4800 jni_CallStaticBooleanMethod, | |
4801 jni_CallStaticBooleanMethodV, | |
4802 jni_CallStaticBooleanMethodA, | |
4803 jni_CallStaticByteMethod, | |
4804 jni_CallStaticByteMethodV, | |
4805 jni_CallStaticByteMethodA, | |
4806 jni_CallStaticCharMethod, | |
4807 jni_CallStaticCharMethodV, | |
4808 jni_CallStaticCharMethodA, | |
4809 jni_CallStaticShortMethod, | |
4810 jni_CallStaticShortMethodV, | |
4811 jni_CallStaticShortMethodA, | |
4812 jni_CallStaticIntMethod, | |
4813 jni_CallStaticIntMethodV, | |
4814 jni_CallStaticIntMethodA, | |
4815 jni_CallStaticLongMethod, | |
4816 jni_CallStaticLongMethodV, | |
4817 jni_CallStaticLongMethodA, | |
4818 jni_CallStaticFloatMethod, | |
4819 jni_CallStaticFloatMethodV, | |
4820 jni_CallStaticFloatMethodA, | |
4821 jni_CallStaticDoubleMethod, | |
4822 jni_CallStaticDoubleMethodV, | |
4823 jni_CallStaticDoubleMethodA, | |
4824 jni_CallStaticVoidMethod, | |
4825 jni_CallStaticVoidMethodV, | |
4826 jni_CallStaticVoidMethodA, | |
4827 | |
4828 jni_GetStaticFieldID, | |
4829 | |
4830 jni_GetStaticObjectField, | |
4831 jni_GetStaticBooleanField, | |
4832 jni_GetStaticByteField, | |
4833 jni_GetStaticCharField, | |
4834 jni_GetStaticShortField, | |
4835 jni_GetStaticIntField, | |
4836 jni_GetStaticLongField, | |
4837 jni_GetStaticFloatField, | |
4838 jni_GetStaticDoubleField, | |
4839 | |
4840 jni_SetStaticObjectField, | |
4841 jni_SetStaticBooleanField, | |
4842 jni_SetStaticByteField, | |
4843 jni_SetStaticCharField, | |
4844 jni_SetStaticShortField, | |
4845 jni_SetStaticIntField, | |
4846 jni_SetStaticLongField, | |
4847 jni_SetStaticFloatField, | |
4848 jni_SetStaticDoubleField, | |
4849 | |
4850 jni_NewString, | |
4851 jni_GetStringLength, | |
4852 jni_GetStringChars, | |
4853 jni_ReleaseStringChars, | |
4854 | |
4855 jni_NewStringUTF, | |
4856 jni_GetStringUTFLength, | |
4857 jni_GetStringUTFChars, | |
4858 jni_ReleaseStringUTFChars, | |
4859 | |
4860 jni_GetArrayLength, | |
4861 | |
4862 jni_NewObjectArray, | |
4863 jni_GetObjectArrayElement, | |
4864 jni_SetObjectArrayElement, | |
4865 | |
4866 jni_NewBooleanArray, | |
4867 jni_NewByteArray, | |
4868 jni_NewCharArray, | |
4869 jni_NewShortArray, | |
4870 jni_NewIntArray, | |
4871 jni_NewLongArray, | |
4872 jni_NewFloatArray, | |
4873 jni_NewDoubleArray, | |
4874 | |
4875 jni_GetBooleanArrayElements, | |
4876 jni_GetByteArrayElements, | |
4877 jni_GetCharArrayElements, | |
4878 jni_GetShortArrayElements, | |
4879 jni_GetIntArrayElements, | |
4880 jni_GetLongArrayElements, | |
4881 jni_GetFloatArrayElements, | |
4882 jni_GetDoubleArrayElements, | |
4883 | |
4884 jni_ReleaseBooleanArrayElements, | |
4885 jni_ReleaseByteArrayElements, | |
4886 jni_ReleaseCharArrayElements, | |
4887 jni_ReleaseShortArrayElements, | |
4888 jni_ReleaseIntArrayElements, | |
4889 jni_ReleaseLongArrayElements, | |
4890 jni_ReleaseFloatArrayElements, | |
4891 jni_ReleaseDoubleArrayElements, | |
4892 | |
4893 jni_GetBooleanArrayRegion, | |
4894 jni_GetByteArrayRegion, | |
4895 jni_GetCharArrayRegion, | |
4896 jni_GetShortArrayRegion, | |
4897 jni_GetIntArrayRegion, | |
4898 jni_GetLongArrayRegion, | |
4899 jni_GetFloatArrayRegion, | |
4900 jni_GetDoubleArrayRegion, | |
4901 | |
4902 jni_SetBooleanArrayRegion, | |
4903 jni_SetByteArrayRegion, | |
4904 jni_SetCharArrayRegion, | |
4905 jni_SetShortArrayRegion, | |
4906 jni_SetIntArrayRegion, | |
4907 jni_SetLongArrayRegion, | |
4908 jni_SetFloatArrayRegion, | |
4909 jni_SetDoubleArrayRegion, | |
4910 | |
4911 jni_RegisterNatives, | |
4912 jni_UnregisterNatives, | |
4913 | |
4914 jni_MonitorEnter, | |
4915 jni_MonitorExit, | |
4916 | |
4917 jni_GetJavaVM, | |
4918 | |
4919 jni_GetStringRegion, | |
4920 jni_GetStringUTFRegion, | |
4921 | |
4922 jni_GetPrimitiveArrayCritical, | |
4923 jni_ReleasePrimitiveArrayCritical, | |
4924 | |
4925 jni_GetStringCritical, | |
4926 jni_ReleaseStringCritical, | |
4927 | |
4928 jni_NewWeakGlobalRef, | |
4929 jni_DeleteWeakGlobalRef, | |
4930 | |
4931 jni_ExceptionCheck, | |
4932 | |
4933 jni_NewDirectByteBuffer, | |
4934 jni_GetDirectBufferAddress, | |
4935 jni_GetDirectBufferCapacity, | |
4936 | |
4937 // New 1_6 features | |
4938 | |
4939 jni_GetObjectRefType | |
4940 }; | |
4941 | |
4942 | |
4943 // For jvmti use to modify jni function table. | |
4944 // Java threads in native contiues to run until it is transitioned | |
4945 // to VM at safepoint. Before the transition or before it is blocked | |
4946 // for safepoint it may access jni function table. VM could crash if | |
4947 // any java thread access the jni function table in the middle of memcpy. | |
4948 // To avoid this each function pointers are copied automically. | |
4949 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
4950 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
4951 intptr_t *a = (intptr_t *) jni_functions(); | |
4952 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
4953 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
4954 Atomic::store_ptr(*b++, a++); | |
4955 } | |
4956 } | |
4957 | |
4958 void quicken_jni_functions() { | |
4959 // Replace Get<Primitive>Field with fast versions | |
4960 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
4961 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
4962 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
4963 // windows x86 currently needs SEH wrapper and the gain of the fast | |
4964 // versions currently isn't certain for server vm on uniprocessor. | |
4965 && os::is_MP() | |
4966 #endif | |
4967 ) { | |
4968 address func; | |
4969 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
4970 if (func != (address)-1) { | |
4971 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
4972 } | |
4973 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
4974 if (func != (address)-1) { | |
4975 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
4976 } | |
4977 func = JNI_FastGetField::generate_fast_get_char_field(); | |
4978 if (func != (address)-1) { | |
4979 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
4980 } | |
4981 func = JNI_FastGetField::generate_fast_get_short_field(); | |
4982 if (func != (address)-1) { | |
4983 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
4984 } | |
4985 func = JNI_FastGetField::generate_fast_get_int_field(); | |
4986 if (func != (address)-1) { | |
4987 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
4988 } | |
4989 func = JNI_FastGetField::generate_fast_get_long_field(); | |
4990 if (func != (address)-1) { | |
4991 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
4992 } | |
4993 func = JNI_FastGetField::generate_fast_get_float_field(); | |
4994 if (func != (address)-1) { | |
4995 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
4996 } | |
4997 func = JNI_FastGetField::generate_fast_get_double_field(); | |
4998 if (func != (address)-1) { | |
4999 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
5000 } | |
5001 } | |
5002 } | |
5003 | |
5004 // Returns the function structure | |
5005 struct JNINativeInterface_* jni_functions() { | |
5006 #ifndef JNICHECK_KERNEL | |
5007 if (CheckJNICalls) return jni_functions_check(); | |
5008 #else // JNICHECK_KERNEL | |
5009 if (CheckJNICalls) warning("-Xcheck:jni is not supported in kernel vm."); | |
5010 #endif // JNICHECK_KERNEL | |
5011 return &jni_NativeInterface; | |
5012 } | |
5013 | |
5014 // Returns the function structure | |
5015 struct JNINativeInterface_* jni_functions_nocheck() { | |
5016 return &jni_NativeInterface; | |
5017 } | |
5018 | |
5019 | |
5020 // Invocation API | |
5021 | |
5022 | |
5023 // Forward declaration | |
5024 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
5025 | |
5026 // Global invocation API vars | |
5027 volatile jint vm_created = 0; | |
5028 // Indicate whether it is safe to recreate VM | |
5029 volatile jint safe_to_recreate_vm = 1; | |
5030 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
5031 | |
5032 | |
5033 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
5034 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
5035 | |
4006 | 5036 #ifndef USDT2 |
0 | 5037 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
5038 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
4006 | 5039 #else /* USDT2 */ |
5040 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
5041 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
5042 #endif /* USDT2 */ | |
0 | 5043 |
5044 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
4006 | 5045 #ifndef USDT2 |
0 | 5046 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
4006 | 5047 #else /* USDT2 */ |
5048 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
5049 args_); | |
5050 #endif /* USDT2 */ | |
0 | 5051 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
5052 jint ret = JNI_ERR; | |
5053 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
5054 | |
5055 if (Threads::is_supported_jni_version(args->version)) { | |
5056 ret = JNI_OK; | |
5057 } | |
5058 // 1.1 style no longer supported in hotspot. | |
5059 // According the JNI spec, we should update args->version on return. | |
5060 // We also use the structure to communicate with launcher about default | |
5061 // stack size. | |
5062 if (args->version == JNI_VERSION_1_1) { | |
5063 args->version = JNI_VERSION_1_2; | |
5064 // javaStackSize is int in arguments structure | |
5065 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
5066 args->javaStackSize = (jint)(ThreadStackSize * K); | |
5067 } | |
5068 return ret; | |
5069 } | |
5070 | |
3779 | 5071 #ifndef PRODUCT |
5072 | |
4708 | 5073 #include "gc_interface/collectedHeap.hpp" |
3779 | 5074 #include "utilities/quickSort.hpp" |
5075 | |
4708 | 5076 #define run_unit_test(unit_test_function_call) \ |
5077 tty->print_cr("Running test: " #unit_test_function_call); \ | |
5078 unit_test_function_call | |
5079 | |
3779 | 5080 void execute_internal_vm_tests() { |
5081 if (ExecuteInternalVMTests) { | |
4708 | 5082 tty->print_cr("Running internal VM tests"); |
5083 run_unit_test(arrayOopDesc::test_max_array_length()); | |
5084 run_unit_test(CollectedHeap::test_is_in()); | |
5085 run_unit_test(QuickSort::test_quick_sort()); | |
6162 | 5086 run_unit_test(AltHashing::test_alt_hash()); |
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5087 tty->print_cr("All internal VM tests passed"); |
3779 | 5088 } |
5089 } | |
5090 | |
4708 | 5091 #undef run_unit_test |
5092 | |
3779 | 5093 #endif |
5094 | |
4006 | 5095 #ifndef USDT2 |
0 | 5096 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
5097 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
4006 | 5098 #else /* USDT2 */ |
5099 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
5100 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
5101 #endif /* USDT2 */ | |
0 | 5102 |
5103 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
4006 | 5104 #ifndef USDT2 |
0 | 5105 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
4006 | 5106 #else /* USDT2 */ |
5107 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
5108 (void **) vm, penv, args); | |
5109 #endif /* USDT2 */ | |
0 | 5110 |
5111 jint result = JNI_ERR; | |
5112 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
5113 | |
1078 | 5114 // We're about to use Atomic::xchg for synchronization. Some Zero |
5115 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
5116 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
5117 // on all architectures. So we check it works before relying on it. | |
5118 #if defined(ZERO) && defined(ASSERT) | |
5119 { | |
5120 jint a = 0xcafebabe; | |
5121 jint b = Atomic::xchg(0xdeadbeef, &a); | |
5122 void *c = &a; | |
5123 void *d = Atomic::xchg_ptr(&b, &c); | |
1132 | 5124 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
1078 | 5125 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
5126 } | |
5127 #endif // ZERO && ASSERT | |
5128 | |
0 | 5129 // At the moment it's only possible to have one Java VM, |
5130 // since some of the runtime state is in global variables. | |
5131 | |
5132 // We cannot use our mutex locks here, since they only work on | |
5133 // Threads. We do an atomic compare and exchange to ensure only | |
5134 // one thread can call this method at a time | |
5135 | |
5136 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
5137 // the add/dec implementations are dependent on whether we are running | |
5138 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
5139 // function used to determine this will always return false. Atomic::xchg | |
5140 // does not have this problem. | |
5141 if (Atomic::xchg(1, &vm_created) == 1) { | |
5142 return JNI_ERR; // already created, or create attempt in progress | |
5143 } | |
5144 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
5145 return JNI_ERR; // someone tried and failed and retry not allowed. | |
5146 } | |
5147 | |
5148 assert(vm_created == 1, "vm_created is true during the creation"); | |
5149 | |
5150 /** | |
5151 * Certain errors during initialization are recoverable and do not | |
5152 * prevent this method from being called again at a later time | |
5153 * (perhaps with different arguments). However, at a certain | |
5154 * point during initialization if an error occurs we cannot allow | |
5155 * this function to be called again (or it will crash). In those | |
5156 * situations, the 'canTryAgain' flag is set to false, which atomically | |
5157 * sets safe_to_recreate_vm to 1, such that any new call to | |
5158 * JNI_CreateJavaVM will immediately fail using the above logic. | |
5159 */ | |
5160 bool can_try_again = true; | |
5161 | |
5162 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
5163 if (result == JNI_OK) { | |
5164 JavaThread *thread = JavaThread::current(); | |
5165 /* thread is thread_in_vm here */ | |
5166 *vm = (JavaVM *)(&main_vm); | |
5167 *(JNIEnv**)penv = thread->jni_environment(); | |
5168 | |
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5169 #ifdef GRAAL |
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5170 GraalCompiler* compiler = GraalCompiler::instance(); |
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5171 ciObjectFactory::initialize(); |
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5172 compiler->initialize(); |
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5173 #endif |
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5174 |
5747
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5175 #ifdef HIGH_LEVEL_INTERPRETER |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5176 if (HighLevelInterpreterClass != NULL) { |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5177 bool result = VMToInterpreter::allocate_interpreter(HighLevelInterpreterClass, HighLevelInterpreterArguments, thread); |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5178 if (!result) { |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5179 vm_abort(false); |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5180 return JNI_ERR; |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5181 } |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5182 } |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5183 #endif |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5184 |
0 | 5185 // Tracks the time application was running before GC |
5186 RuntimeService::record_application_start(); | |
5187 | |
5188 // Notify JVMTI | |
5189 if (JvmtiExport::should_post_thread_life()) { | |
5190 JvmtiExport::post_thread_start(thread); | |
5191 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5192 |
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5193 EVENT_BEGIN(TraceEventThreadStart, event); |
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5194 EVENT_COMMIT(event, |
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5195 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
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4708
diff
changeset
|
5196 |
0 | 5197 // Check if we should compile all classes on bootclasspath |
5198 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
5199 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. | |
5200 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5201 } else { | |
5202 if (can_try_again) { | |
5203 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
5204 safe_to_recreate_vm = 1; | |
5205 } | |
5206 | |
5207 // Creation failed. We must reset vm_created | |
5208 *vm = 0; | |
5209 *(JNIEnv**)penv = 0; | |
5210 // reset vm_created last to avoid race condition. Use OrderAccess to | |
5211 // control both compiler and architectural-based reordering. | |
5212 OrderAccess::release_store(&vm_created, 0); | |
5213 } | |
5214 | |
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1290
diff
changeset
|
5215 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
3779 | 5216 NOT_PRODUCT(execute_internal_vm_tests()); |
0 | 5217 return result; |
5218 } | |
5219 | |
4006 | 5220 #ifndef USDT2 |
0 | 5221 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5222 JavaVM**, jsize, jsize*); | |
5223 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
4006 | 5224 #endif /* !USDT2 */ |
0 | 5225 |
5226 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
5227 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
5228 // JNIWrapper("GetCreatedJavaVMs"); | |
4006 | 5229 #ifndef USDT2 |
0 | 5230 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5231 vm_buf, bufLen, numVMs); | |
4006 | 5232 #else /* USDT2 */ |
5233 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
5234 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
5235 #endif /* USDT2 */ | |
0 | 5236 if (vm_created) { |
5237 if (numVMs != NULL) *numVMs = 1; | |
5238 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
5239 } else { | |
5240 if (numVMs != NULL) *numVMs = 0; | |
5241 } | |
4006 | 5242 #ifndef USDT2 |
0 | 5243 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
4006 | 5244 #else /* USDT2 */ |
5245 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
5246 JNI_OK); | |
5247 #endif /* USDT2 */ | |
0 | 5248 return JNI_OK; |
5249 } | |
5250 | |
5251 extern "C" { | |
5252 | |
4006 | 5253 #ifndef USDT2 |
0 | 5254 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
4006 | 5255 #else /* USDT2 */ |
5256 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
5257 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
5258 #endif /* USDT2 */ | |
0 | 5259 |
5260 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
4006 | 5261 #ifndef USDT2 |
0 | 5262 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
4006 | 5263 #else /* USDT2 */ |
5264 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
5265 vm); | |
5266 #endif /* USDT2 */ | |
0 | 5267 jint res = JNI_ERR; |
5268 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
5269 | |
5270 if (!vm_created) { | |
5271 res = JNI_ERR; | |
5272 return res; | |
5273 } | |
5274 | |
5275 JNIWrapper("DestroyJavaVM"); | |
5276 JNIEnv *env; | |
5277 JavaVMAttachArgs destroyargs; | |
5278 destroyargs.version = CurrentVersion; | |
5279 destroyargs.name = (char *)"DestroyJavaVM"; | |
5280 destroyargs.group = NULL; | |
5281 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
5282 if (res != JNI_OK) { | |
5283 return res; | |
5284 } | |
5285 | |
5286 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
5287 JavaThread* thread = JavaThread::current(); | |
5288 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5289 if (Threads::destroy_vm()) { | |
5290 // Should not change thread state, VM is gone | |
5291 vm_created = false; | |
5292 res = JNI_OK; | |
5293 return res; | |
5294 } else { | |
5295 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5296 res = JNI_ERR; | |
5297 return res; | |
5298 } | |
5299 } | |
5300 | |
5301 | |
5302 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
5303 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
5304 | |
5305 // Check below commented out from JDK1.2fcs as well | |
5306 /* | |
5307 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
5308 return JNI_EVERSION; | |
5309 } | |
5310 */ | |
5311 | |
5312 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
5313 if (t != NULL) { | |
5314 // If the thread has been attached this operation is a no-op | |
5315 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
5316 return JNI_OK; | |
5317 } | |
5318 | |
5319 // Create a thread and mark it as attaching so it will be skipped by the | |
5320 // ThreadsListEnumerator - see CR 6404306 | |
5321 JavaThread* thread = new JavaThread(true); | |
5322 | |
5323 // Set correct safepoint info. The thread is going to call into Java when | |
5324 // initializing the Java level thread object. Hence, the correct state must | |
5325 // be set in order for the Safepoint code to deal with it correctly. | |
5326 thread->set_thread_state(_thread_in_vm); | |
5327 // Must do this before initialize_thread_local_storage | |
5328 thread->record_stack_base_and_size(); | |
1290
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6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
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1142
diff
changeset
|
5329 |
0 | 5330 thread->initialize_thread_local_storage(); |
5331 | |
5332 if (!os::create_attached_thread(thread)) { | |
5333 delete thread; | |
5334 return JNI_ERR; | |
5335 } | |
1290
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1142
diff
changeset
|
5336 // Enable stack overflow checks |
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
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1142
diff
changeset
|
5337 thread->create_stack_guard_pages(); |
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6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
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1142
diff
changeset
|
5338 |
0 | 5339 thread->initialize_tlab(); |
5340 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5341 thread->cache_global_variables(); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
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1552
diff
changeset
|
5342 |
0 | 5343 // Crucial that we do not have a safepoint check for this thread, since it has |
5344 // not been added to the Thread list yet. | |
5345 { Threads_lock->lock_without_safepoint_check(); | |
5346 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
5347 // avoid this thread trying to do a GC before it is added to the thread-list | |
5348 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
5349 Threads::add(thread, daemon); | |
5350 Threads_lock->unlock(); | |
5351 } | |
5352 // Create thread group and name info from attach arguments | |
5353 oop group = NULL; | |
5354 char* thread_name = NULL; | |
5355 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
5356 group = JNIHandles::resolve(args->group); | |
5357 thread_name = args->name; // may be NULL | |
5358 } | |
5359 if (group == NULL) group = Universe::main_thread_group(); | |
5360 | |
5361 // Create Java level thread object and attach it to this thread | |
5362 bool attach_failed = false; | |
5363 { | |
5364 EXCEPTION_MARK; | |
5365 HandleMark hm(THREAD); | |
5366 Handle thread_group(THREAD, group); | |
5367 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
5368 if (HAS_PENDING_EXCEPTION) { | |
5369 CLEAR_PENDING_EXCEPTION; | |
5370 // cleanup outside the handle mark. | |
5371 attach_failed = true; | |
5372 } | |
5373 } | |
5374 | |
5375 if (attach_failed) { | |
5376 // Added missing cleanup | |
5377 thread->cleanup_failed_attach_current_thread(); | |
5378 return JNI_ERR; | |
5379 } | |
5380 | |
5381 // mark the thread as no longer attaching | |
5382 // this uses a fence to push the change through so we don't have | |
5383 // to regrab the threads_lock | |
4006 | 5384 thread->set_done_attaching_via_jni(); |
0 | 5385 |
5386 // Set java thread status. | |
5387 java_lang_Thread::set_thread_status(thread->threadObj(), | |
5388 java_lang_Thread::RUNNABLE); | |
5389 | |
5390 // Notify the debugger | |
5391 if (JvmtiExport::should_post_thread_life()) { | |
5392 JvmtiExport::post_thread_start(thread); | |
5393 } | |
5394 | |
4800
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5395 EVENT_BEGIN(TraceEventThreadStart, event); |
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5396 EVENT_COMMIT(event, |
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5397 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
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5398 |
0 | 5399 *(JNIEnv**)penv = thread->jni_environment(); |
5400 | |
5401 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
5402 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
5403 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
5404 // needed. | |
5405 | |
5406 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5407 | |
5408 // Perform any platform dependent FPU setup | |
5409 os::setup_fpu(); | |
5410 | |
5411 return JNI_OK; | |
5412 } | |
5413 | |
5414 | |
5415 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5416 #ifndef USDT2 |
0 | 5417 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
4006 | 5418 #else /* USDT2 */ |
5419 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
5420 vm, penv, _args); | |
5421 #endif /* USDT2 */ | |
0 | 5422 if (!vm_created) { |
4006 | 5423 #ifndef USDT2 |
0 | 5424 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
4006 | 5425 #else /* USDT2 */ |
5426 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5427 (uint32_t) JNI_ERR); | |
5428 #endif /* USDT2 */ | |
0 | 5429 return JNI_ERR; |
5430 } | |
5431 | |
5432 JNIWrapper("AttachCurrentThread"); | |
5433 jint ret = attach_current_thread(vm, penv, _args, false); | |
4006 | 5434 #ifndef USDT2 |
0 | 5435 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
4006 | 5436 #else /* USDT2 */ |
5437 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5438 ret); | |
5439 #endif /* USDT2 */ | |
0 | 5440 return ret; |
5441 } | |
5442 | |
5443 | |
5444 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
4006 | 5445 #ifndef USDT2 |
0 | 5446 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
4006 | 5447 #else /* USDT2 */ |
5448 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
5449 vm); | |
5450 #endif /* USDT2 */ | |
0 | 5451 VM_Exit::block_if_vm_exited(); |
5452 | |
5453 JNIWrapper("DetachCurrentThread"); | |
5454 | |
5455 // If the thread has been deattacted the operations is a no-op | |
5456 if (ThreadLocalStorage::thread() == NULL) { | |
4006 | 5457 #ifndef USDT2 |
0 | 5458 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5459 #else /* USDT2 */ |
5460 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5461 JNI_OK); | |
5462 #endif /* USDT2 */ | |
0 | 5463 return JNI_OK; |
5464 } | |
5465 | |
5466 JavaThread* thread = JavaThread::current(); | |
5467 if (thread->has_last_Java_frame()) { | |
4006 | 5468 #ifndef USDT2 |
0 | 5469 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
4006 | 5470 #else /* USDT2 */ |
5471 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5472 (uint32_t) JNI_ERR); | |
5473 #endif /* USDT2 */ | |
0 | 5474 // Can't detach a thread that's running java, that can't work. |
5475 return JNI_ERR; | |
5476 } | |
5477 | |
5478 // Safepoint support. Have to do call-back to safepoint code, if in the | |
5479 // middel of a safepoint operation | |
5480 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5481 | |
5482 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
5483 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
5484 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
5485 // of the guards is visible in jni_AttachCurrentThread above, | |
5486 // the removal of the guards is buried below in JavaThread::exit() | |
5487 // here. The abstraction should be more symmetrically either exposed | |
5488 // or hidden (e.g. it could probably be hidden in the same | |
5489 // (platform-dependent) methods where we do alternate stack | |
5490 // maintenance work?) | |
5491 thread->exit(false, JavaThread::jni_detach); | |
5492 delete thread; | |
5493 | |
4006 | 5494 #ifndef USDT2 |
0 | 5495 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5496 #else /* USDT2 */ |
5497 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5498 JNI_OK); | |
5499 #endif /* USDT2 */ | |
0 | 5500 return JNI_OK; |
5501 } | |
5502 | |
4006 | 5503 #ifndef USDT2 |
0 | 5504 DT_RETURN_MARK_DECL(GetEnv, jint); |
4006 | 5505 #else /* USDT2 */ |
5506 DT_RETURN_MARK_DECL(GetEnv, jint | |
5507 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
5508 #endif /* USDT2 */ | |
0 | 5509 |
5510 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
4006 | 5511 #ifndef USDT2 |
0 | 5512 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
4006 | 5513 #else /* USDT2 */ |
5514 HOTSPOT_JNI_GETENV_ENTRY( | |
5515 vm, penv, version); | |
5516 #endif /* USDT2 */ | |
0 | 5517 jint ret = JNI_ERR; |
5518 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
5519 | |
5520 if (!vm_created) { | |
5521 *penv = NULL; | |
5522 ret = JNI_EDETACHED; | |
5523 return ret; | |
5524 } | |
5525 | |
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5526 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
0 | 5527 return ret; |
5528 } | |
5529 | |
5530 #ifndef JVMPI_VERSION_1 | |
5531 // need these in order to be polite about older agents | |
5532 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
5533 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
5534 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
5535 #endif // !JVMPI_VERSION_1 | |
5536 | |
5537 Thread* thread = ThreadLocalStorage::thread(); | |
5538 if (thread != NULL && thread->is_Java_thread()) { | |
5539 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
5540 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
5541 ret = JNI_OK; | |
5542 return ret; | |
5543 | |
5544 } else if (version == JVMPI_VERSION_1 || | |
5545 version == JVMPI_VERSION_1_1 || | |
5546 version == JVMPI_VERSION_1_2) { | |
5547 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
5548 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5549 ret = JNI_EVERSION; | |
5550 return ret; | |
5551 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
5552 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
5553 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5554 ret = JNI_EVERSION; | |
5555 return ret; | |
5556 } else { | |
5557 *penv = NULL; | |
5558 ret = JNI_EVERSION; | |
5559 return ret; | |
5560 } | |
5561 } else { | |
5562 *penv = NULL; | |
5563 ret = JNI_EDETACHED; | |
5564 return ret; | |
5565 } | |
5566 } | |
5567 | |
5568 | |
5569 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5570 #ifndef USDT2 |
0 | 5571 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
4006 | 5572 #else /* USDT2 */ |
5573 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
5574 vm, penv, _args); | |
5575 #endif /* USDT2 */ | |
0 | 5576 if (!vm_created) { |
4006 | 5577 #ifndef USDT2 |
0 | 5578 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
4006 | 5579 #else /* USDT2 */ |
5580 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5581 (uint32_t) JNI_ERR); | |
5582 #endif /* USDT2 */ | |
0 | 5583 return JNI_ERR; |
5584 } | |
5585 | |
5586 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
5587 jint ret = attach_current_thread(vm, penv, _args, true); | |
4006 | 5588 #ifndef USDT2 |
0 | 5589 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
4006 | 5590 #else /* USDT2 */ |
5591 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5592 ret); | |
5593 #endif /* USDT2 */ | |
0 | 5594 return ret; |
5595 } | |
5596 | |
5597 | |
5598 } // End extern "C" | |
5599 | |
5600 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
5601 NULL, | |
5602 NULL, | |
5603 NULL, | |
5604 | |
5605 jni_DestroyJavaVM, | |
5606 jni_AttachCurrentThread, | |
5607 jni_DetachCurrentThread, | |
5608 jni_GetEnv, | |
5609 jni_AttachCurrentThreadAsDaemon | |
5610 }; |