Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 4523:ade4281b79c3
Remove obsolete CompilationObserver
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Wed, 08 Feb 2012 15:36:41 -0800 |
parents | d8d6b3de346b |
children | 723df37192d6 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2011, 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" |
26 #include "classfile/classLoader.hpp" | |
27 #include "classfile/javaClasses.hpp" | |
28 #include "classfile/symbolTable.hpp" | |
29 #include "classfile/systemDictionary.hpp" | |
30 #include "classfile/vmSymbols.hpp" | |
31 #include "interpreter/linkResolver.hpp" | |
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32 #include "graal/graalCompiler.hpp" |
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33 #ifndef SERIALGC |
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34 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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35 #endif // SERIALGC |
1972 | 36 #include "memory/allocation.inline.hpp" |
37 #include "memory/gcLocker.inline.hpp" | |
38 #include "memory/oopFactory.hpp" | |
39 #include "memory/universe.inline.hpp" | |
40 #include "oops/instanceKlass.hpp" | |
41 #include "oops/instanceOop.hpp" | |
42 #include "oops/markOop.hpp" | |
43 #include "oops/methodOop.hpp" | |
44 #include "oops/objArrayKlass.hpp" | |
45 #include "oops/objArrayOop.hpp" | |
46 #include "oops/oop.inline.hpp" | |
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47 #include "oops/symbol.hpp" |
1972 | 48 #include "oops/typeArrayKlass.hpp" |
49 #include "oops/typeArrayOop.hpp" | |
50 #include "prims/jni.h" | |
51 #include "prims/jniCheck.hpp" | |
52 #include "prims/jniFastGetField.hpp" | |
53 #include "prims/jvm.h" | |
54 #include "prims/jvm_misc.hpp" | |
55 #include "prims/jvmtiExport.hpp" | |
56 #include "prims/jvmtiThreadState.hpp" | |
57 #include "runtime/compilationPolicy.hpp" | |
58 #include "runtime/fieldDescriptor.hpp" | |
59 #include "runtime/fprofiler.hpp" | |
60 #include "runtime/handles.inline.hpp" | |
61 #include "runtime/interfaceSupport.hpp" | |
62 #include "runtime/java.hpp" | |
63 #include "runtime/javaCalls.hpp" | |
64 #include "runtime/jfieldIDWorkaround.hpp" | |
65 #include "runtime/reflection.hpp" | |
66 #include "runtime/sharedRuntime.hpp" | |
67 #include "runtime/signature.hpp" | |
68 #include "runtime/vm_operations.hpp" | |
69 #include "services/runtimeService.hpp" | |
70 #include "utilities/defaultStream.hpp" | |
71 #include "utilities/dtrace.hpp" | |
72 #include "utilities/events.hpp" | |
73 #include "utilities/histogram.hpp" | |
74 #ifdef TARGET_OS_FAMILY_linux | |
75 # include "os_linux.inline.hpp" | |
76 # include "thread_linux.inline.hpp" | |
77 #endif | |
78 #ifdef TARGET_OS_FAMILY_solaris | |
79 # include "os_solaris.inline.hpp" | |
80 # include "thread_solaris.inline.hpp" | |
81 #endif | |
82 #ifdef TARGET_OS_FAMILY_windows | |
83 # include "os_windows.inline.hpp" | |
84 # include "thread_windows.inline.hpp" | |
85 #endif | |
3960 | 86 #ifdef TARGET_OS_FAMILY_bsd |
87 # include "os_bsd.inline.hpp" | |
88 # include "thread_bsd.inline.hpp" | |
89 #endif | |
0 | 90 |
91 static jint CurrentVersion = JNI_VERSION_1_6; | |
92 | |
93 | |
94 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
95 // '-return' probe regardless of the return path is taken out of the function. | |
96 // Methods that have multiple return paths use this to avoid having to | |
97 // instrument each return path. Methods that use CHECK or THROW must use this | |
98 // since those macros can cause an immedate uninstrumented return. | |
99 // | |
100 // In order to get the return value, a reference to the variable containing | |
101 // the return value must be passed to the contructor of the object, and | |
102 // the return value must be set before return (since the mark object has | |
103 // a reference to it). | |
104 // | |
105 // Example: | |
106 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
107 // JNI_ENTRY(int, SomeFunc, ...) | |
108 // int return_value = 0; | |
109 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
110 // foo(CHECK_0) | |
111 // return_value = 5; | |
112 // return return_value; | |
113 // JNI_END | |
4006 | 114 #ifndef USDT2 |
0 | 115 #define DT_RETURN_MARK_DECL(name, type) \ |
116 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
117 DTRACE_ONLY( \ | |
118 class DTraceReturnProbeMark_##name { \ | |
119 public: \ | |
120 const type& _ret_ref; \ | |
121 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
122 ~DTraceReturnProbeMark_##name() { \ | |
123 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
124 } \ | |
125 } \ | |
126 ) | |
127 // Void functions are simpler since there's no return value | |
128 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
129 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
130 DTRACE_ONLY( \ | |
131 class DTraceReturnProbeMark_##name { \ | |
132 public: \ | |
133 ~DTraceReturnProbeMark_##name() { \ | |
134 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
135 } \ | |
136 } \ | |
137 ) | |
138 | |
4006 | 139 #else /* USDT2 */ |
140 | |
141 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
142 DTRACE_ONLY( \ | |
143 class DTraceReturnProbeMark_##name { \ | |
144 public: \ | |
145 const type& _ret_ref; \ | |
146 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
147 ~DTraceReturnProbeMark_##name() { \ | |
148 probe; \ | |
149 } \ | |
150 } \ | |
151 ) | |
152 // Void functions are simpler since there's no return value | |
153 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
154 DTRACE_ONLY( \ | |
155 class DTraceReturnProbeMark_##name { \ | |
156 public: \ | |
157 ~DTraceReturnProbeMark_##name() { \ | |
158 probe; \ | |
159 } \ | |
160 } \ | |
161 ) | |
162 #endif /* USDT2 */ | |
0 | 163 |
164 // Place these macros in the function to mark the return. Non-void | |
165 // functions need the type and address of the return value. | |
166 #define DT_RETURN_MARK(name, type, ref) \ | |
167 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
168 #define DT_VOID_RETURN_MARK(name) \ | |
169 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
170 | |
171 | |
172 // Use these to select distinct code for floating-point vs. non-floating point | |
173 // situations. Used from within common macros where we need slightly | |
174 // different behavior for Float/Double | |
175 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
176 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
177 #define FP_SELECT_Char(intcode, fpcode) intcode | |
178 #define FP_SELECT_Short(intcode, fpcode) intcode | |
179 #define FP_SELECT_Object(intcode, fpcode) intcode | |
180 #define FP_SELECT_Int(intcode, fpcode) intcode | |
181 #define FP_SELECT_Long(intcode, fpcode) intcode | |
182 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
183 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
184 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
185 FP_SELECT_##TypeName(intcode, fpcode) | |
186 | |
187 #define COMMA , | |
188 | |
189 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
190 // (dtrace doesn't do FP yet) | |
4006 | 191 #ifndef USDT2 |
0 | 192 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
193 FP_SELECT(TypeName, \ | |
194 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
4006 | 195 #else /* USDT2 */ |
196 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
197 FP_SELECT(TypeName, \ | |
198 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
199 #endif /* USDT2 */ | |
0 | 200 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
201 FP_SELECT(TypeName, \ | |
202 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
203 | |
204 | |
205 // out-of-line helpers for class jfieldIDWorkaround: | |
206 | |
207 bool jfieldIDWorkaround::is_valid_jfieldID(klassOop k, jfieldID id) { | |
208 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { | |
209 uintptr_t as_uint = (uintptr_t) id; | |
210 intptr_t offset = raw_instance_offset(id); | |
211 if (is_checked_jfieldID(id)) { | |
212 if (!klass_hash_ok(k, id)) { | |
213 return false; | |
214 } | |
215 } | |
216 return instanceKlass::cast(k)->contains_field_offset(offset); | |
217 } else { | |
218 JNIid* result = (JNIid*) id; | |
219 #ifdef ASSERT | |
220 return result != NULL && result->is_static_field_id(); | |
221 #else | |
222 return result != NULL; | |
223 #endif | |
224 } | |
225 } | |
226 | |
227 | |
228 intptr_t jfieldIDWorkaround::encode_klass_hash(klassOop k, intptr_t offset) { | |
229 if (offset <= small_offset_mask) { | |
230 klassOop field_klass = k; | |
231 klassOop super_klass = Klass::cast(field_klass)->super(); | |
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232 // With compressed oops the most super class with nonstatic fields would |
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233 // be the owner of fields embedded in the header. |
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234 while (instanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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235 instanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
0 | 236 field_klass = super_klass; // super contains the field also |
237 super_klass = Klass::cast(field_klass)->super(); | |
238 } | |
239 debug_only(No_Safepoint_Verifier nosafepoint;) | |
240 uintptr_t klass_hash = field_klass->identity_hash(); | |
241 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
242 } else { | |
243 #if 0 | |
244 #ifndef PRODUCT | |
245 { | |
246 ResourceMark rm; | |
247 warning("VerifyJNIFields: long offset %d in %s", offset, Klass::cast(k)->external_name()); | |
248 } | |
249 #endif | |
250 #endif | |
251 return 0; | |
252 } | |
253 } | |
254 | |
255 bool jfieldIDWorkaround::klass_hash_ok(klassOop k, jfieldID id) { | |
256 uintptr_t as_uint = (uintptr_t) id; | |
257 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
258 do { | |
259 debug_only(No_Safepoint_Verifier nosafepoint;) | |
260 // Could use a non-blocking query for identity_hash here... | |
261 if ((k->identity_hash() & klass_mask) == klass_hash) | |
262 return true; | |
263 k = Klass::cast(k)->super(); | |
264 } while (k != NULL); | |
265 return false; | |
266 } | |
267 | |
268 void jfieldIDWorkaround::verify_instance_jfieldID(klassOop k, jfieldID id) { | |
269 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); | |
270 uintptr_t as_uint = (uintptr_t) id; | |
271 intptr_t offset = raw_instance_offset(id); | |
272 if (VerifyJNIFields) { | |
273 if (is_checked_jfieldID(id)) { | |
274 guarantee(klass_hash_ok(k, id), | |
275 "Bug in native code: jfieldID class must match object"); | |
276 } else { | |
277 #if 0 | |
278 #ifndef PRODUCT | |
279 if (Verbose) { | |
280 ResourceMark rm; | |
281 warning("VerifyJNIFields: unverified offset %d for %s", offset, Klass::cast(k)->external_name()); | |
282 } | |
283 #endif | |
284 #endif | |
285 } | |
286 } | |
287 guarantee(instanceKlass::cast(k)->contains_field_offset(offset), | |
288 "Bug in native code: jfieldID offset must address interior of object"); | |
289 } | |
290 | |
291 // Pick a reasonable higher bound for local capacity requested | |
292 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
293 // high because a test (or very unusual application) may try to allocate | |
294 // that many handles and run out of swap space. An implementation is | |
295 // permitted to allocate more handles than the ensured capacity, so this | |
296 // value is set high enough to prevent compatibility problems. | |
297 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
298 | |
299 | |
300 // Wrapper to trace JNI functions | |
301 | |
302 #ifdef ASSERT | |
303 Histogram* JNIHistogram; | |
304 static volatile jint JNIHistogram_lock = 0; | |
305 | |
306 class JNITraceWrapper : public StackObj { | |
307 public: | |
308 JNITraceWrapper(const char* format, ...) { | |
309 if (TraceJNICalls) { | |
310 va_list ap; | |
311 va_start(ap, format); | |
312 tty->print("JNI "); | |
313 tty->vprint_cr(format, ap); | |
314 va_end(ap); | |
315 } | |
316 } | |
317 }; | |
318 | |
319 class JNIHistogramElement : public HistogramElement { | |
320 public: | |
321 JNIHistogramElement(const char* name); | |
322 }; | |
323 | |
324 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
325 _name = elementName; | |
326 uintx count = 0; | |
327 | |
328 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
329 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
330 count +=1; | |
331 if ( (WarnOnStalledSpinLock > 0) | |
332 && (count % WarnOnStalledSpinLock == 0)) { | |
333 warning("JNIHistogram_lock seems to be stalled"); | |
334 } | |
335 } | |
336 } | |
337 | |
338 | |
339 if(JNIHistogram == NULL) | |
340 JNIHistogram = new Histogram("JNI Call Counts",100); | |
341 | |
342 JNIHistogram->add_element(this); | |
343 Atomic::dec(&JNIHistogram_lock); | |
344 } | |
345 | |
346 #define JNICountWrapper(arg) \ | |
347 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
348 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
349 if (e != NULL) e->increment_count() | |
350 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
351 #else | |
352 #define JNIWrapper(arg) | |
353 #endif | |
354 | |
355 | |
356 // Implementation of JNI entries | |
357 | |
4006 | 358 #ifndef USDT2 |
0 | 359 DT_RETURN_MARK_DECL(DefineClass, jclass); |
4006 | 360 #else /* USDT2 */ |
361 DT_RETURN_MARK_DECL(DefineClass, jclass | |
362 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
363 #endif /* USDT2 */ | |
0 | 364 |
365 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
366 const jbyte *buf, jsize bufLen)) | |
367 JNIWrapper("DefineClass"); | |
368 | |
4006 | 369 #ifndef USDT2 |
0 | 370 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
371 env, name, loaderRef, buf, bufLen); | |
4006 | 372 #else /* USDT2 */ |
373 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
374 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
375 #endif /* USDT2 */ | |
0 | 376 jclass cls = NULL; |
377 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
378 | |
379 // Since exceptions can be thrown, class initialization can take place | |
380 // if name is NULL no check for class name in .class stream has to be made. | |
381 if (name != NULL) { | |
382 const int str_len = (int)strlen(name); | |
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383 if (str_len > Symbol::max_length()) { |
0 | 384 // It's impossible to create this class; the name cannot fit |
385 // into the constant pool. | |
386 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
387 } | |
388 } | |
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389 TempNewSymbol class_name = SymbolTable::new_symbol(name, THREAD); |
0 | 390 |
391 ResourceMark rm(THREAD); | |
392 ClassFileStream st((u1*) buf, bufLen, NULL); | |
393 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
394 | |
395 if (UsePerfData && !class_loader.is_null()) { | |
396 // check whether the current caller thread holds the lock or not. | |
397 // If not, increment the corresponding counter | |
398 if (ObjectSynchronizer:: | |
399 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
400 ObjectSynchronizer::owner_self) { | |
401 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
402 } | |
403 } | |
404 klassOop k = SystemDictionary::resolve_from_stream(class_name, class_loader, | |
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405 Handle(), &st, true, |
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406 CHECK_NULL); |
0 | 407 |
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408 if (TraceClassResolution && k != NULL) { |
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409 trace_class_resolution(k); |
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410 } |
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411 |
0 | 412 cls = (jclass)JNIHandles::make_local( |
413 env, Klass::cast(k)->java_mirror()); | |
414 return cls; | |
415 JNI_END | |
416 | |
417 | |
418 | |
419 static bool first_time_FindClass = true; | |
420 | |
4006 | 421 #ifndef USDT2 |
0 | 422 DT_RETURN_MARK_DECL(FindClass, jclass); |
4006 | 423 #else /* USDT2 */ |
424 DT_RETURN_MARK_DECL(FindClass, jclass | |
425 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
426 #endif /* USDT2 */ | |
0 | 427 |
428 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
429 JNIWrapper("FindClass"); | |
4006 | 430 #ifndef USDT2 |
0 | 431 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
4006 | 432 #else /* USDT2 */ |
433 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
434 env, (char *)name); | |
435 #endif /* USDT2 */ | |
0 | 436 |
437 jclass result = NULL; | |
438 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
439 | |
440 // Remember if we are the first invocation of jni_FindClass | |
441 bool first_time = first_time_FindClass; | |
442 first_time_FindClass = false; | |
443 | |
444 // Sanity check the name: it cannot be null or larger than the maximum size | |
445 // name we can fit in the constant pool. | |
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446 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
0 | 447 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
448 } | |
449 | |
450 //%note jni_3 | |
451 Handle loader; | |
452 Handle protection_domain; | |
453 // Find calling class | |
454 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
455 if (k.not_null()) { | |
456 loader = Handle(THREAD, k->class_loader()); | |
457 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
458 // in the correct class context. | |
459 if (loader.is_null() && | |
460 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
461 JavaValue result(T_OBJECT); | |
462 JavaCalls::call_static(&result, k, | |
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463 vmSymbols::getFromClass_name(), |
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464 vmSymbols::void_class_signature(), |
0 | 465 thread); |
466 if (HAS_PENDING_EXCEPTION) { | |
467 Handle ex(thread, thread->pending_exception()); | |
468 CLEAR_PENDING_EXCEPTION; | |
469 THROW_HANDLE_0(ex); | |
470 } | |
471 oop mirror = (oop) result.get_jobject(); | |
472 loader = Handle(THREAD, | |
473 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->class_loader()); | |
474 protection_domain = Handle(THREAD, | |
475 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->protection_domain()); | |
476 } | |
477 } else { | |
478 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
479 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
480 } | |
481 | |
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482 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 483 result = find_class_from_class_loader(env, sym, true, loader, |
484 protection_domain, true, thread); | |
485 | |
657
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486 if (TraceClassResolution && result != NULL) { |
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487 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
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488 } |
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489 |
0 | 490 // If we were the first invocation of jni_FindClass, we enable compilation again |
491 // rather than just allowing invocation counter to overflow and decay. | |
492 // Controlled by flag DelayCompilationDuringStartup. | |
493 if (first_time && !CompileTheWorld) | |
494 CompilationPolicy::completed_vm_startup(); | |
495 | |
496 return result; | |
497 JNI_END | |
498 | |
4006 | 499 #ifndef USDT2 |
0 | 500 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
4006 | 501 #else /* USDT2 */ |
502 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
503 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
504 #endif /* USDT2 */ | |
0 | 505 |
506 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
507 JNIWrapper("FromReflectedMethod"); | |
4006 | 508 #ifndef USDT2 |
0 | 509 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
4006 | 510 #else /* USDT2 */ |
511 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
512 env, method); | |
513 #endif /* USDT2 */ | |
0 | 514 jmethodID ret = NULL; |
515 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
516 | |
517 // method is a handle to a java.lang.reflect.Method object | |
518 oop reflected = JNIHandles::resolve_non_null(method); | |
519 oop mirror = NULL; | |
520 int slot = 0; | |
521 | |
1142 | 522 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
0 | 523 mirror = java_lang_reflect_Constructor::clazz(reflected); |
524 slot = java_lang_reflect_Constructor::slot(reflected); | |
525 } else { | |
1142 | 526 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
0 | 527 mirror = java_lang_reflect_Method::clazz(reflected); |
528 slot = java_lang_reflect_Method::slot(reflected); | |
529 } | |
530 klassOop k = java_lang_Class::as_klassOop(mirror); | |
531 | |
532 KlassHandle k1(THREAD, k); | |
533 // Make sure class is initialized before handing id's out to methods | |
534 Klass::cast(k1())->initialize(CHECK_NULL); | |
535 methodOop m = instanceKlass::cast(k1())->method_with_idnum(slot); | |
536 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted | |
537 return ret; | |
538 JNI_END | |
539 | |
4006 | 540 #ifndef USDT2 |
0 | 541 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
4006 | 542 #else /* USDT2 */ |
543 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
544 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
545 #endif /* USDT2 */ | |
0 | 546 |
547 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
548 JNIWrapper("FromReflectedField"); | |
4006 | 549 #ifndef USDT2 |
0 | 550 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
4006 | 551 #else /* USDT2 */ |
552 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
553 env, field); | |
554 #endif /* USDT2 */ | |
0 | 555 jfieldID ret = NULL; |
556 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
557 | |
558 // field is a handle to a java.lang.reflect.Field object | |
559 oop reflected = JNIHandles::resolve_non_null(field); | |
560 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
561 klassOop k = java_lang_Class::as_klassOop(mirror); | |
562 int slot = java_lang_reflect_Field::slot(reflected); | |
563 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
564 | |
565 KlassHandle k1(THREAD, k); | |
566 // Make sure class is initialized before handing id's out to fields | |
567 Klass::cast(k1())->initialize(CHECK_NULL); | |
568 | |
569 // First check if this is a static field | |
570 if (modifiers & JVM_ACC_STATIC) { | |
3938 | 571 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
0 | 572 JNIid* id = instanceKlass::cast(k1())->jni_id_for(offset); |
573 assert(id != NULL, "corrupt Field object"); | |
574 debug_only(id->set_is_static_field_id();) | |
575 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
576 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
577 return ret; | |
578 } | |
579 | |
580 // The slot is the index of the field description in the field-array | |
581 // The jfieldID is the offset of the field within the object | |
582 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
3938 | 583 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
0 | 584 assert(instanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
585 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); | |
586 return ret; | |
587 JNI_END | |
588 | |
4006 | 589 #ifndef USDT2 |
0 | 590 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
4006 | 591 #else /* USDT2 */ |
592 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
593 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
594 #endif /* USDT2 */ | |
0 | 595 |
596 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
597 JNIWrapper("ToReflectedMethod"); | |
4006 | 598 #ifndef USDT2 |
0 | 599 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
4006 | 600 #else /* USDT2 */ |
601 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
602 env, cls, (uintptr_t) method_id, isStatic); | |
603 #endif /* USDT2 */ | |
0 | 604 jobject ret = NULL; |
605 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
606 | |
607 methodHandle m (THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
608 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); | |
609 oop reflection_method; | |
610 if (m->is_initializer()) { | |
611 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
612 } else { | |
613 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
614 } | |
615 ret = JNIHandles::make_local(env, reflection_method); | |
616 return ret; | |
617 JNI_END | |
618 | |
4006 | 619 #ifndef USDT2 |
0 | 620 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
4006 | 621 #else /* USDT2 */ |
622 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
623 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
624 #endif /* USDT2 */ | |
0 | 625 |
626 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
627 JNIWrapper("GetSuperclass"); | |
4006 | 628 #ifndef USDT2 |
0 | 629 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
4006 | 630 #else /* USDT2 */ |
631 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
632 env, sub); | |
633 #endif /* USDT2 */ | |
0 | 634 jclass obj = NULL; |
635 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
636 | |
637 oop mirror = JNIHandles::resolve_non_null(sub); | |
638 // primitive classes return NULL | |
639 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
640 | |
641 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
642 // arrays return Object | |
643 // interfaces return NULL | |
644 // proper classes return Klass::super() | |
645 klassOop k = java_lang_Class::as_klassOop(mirror); | |
646 if (Klass::cast(k)->is_interface()) return NULL; | |
647 | |
648 // return mirror for superclass | |
649 klassOop super = Klass::cast(k)->java_super(); | |
650 // super2 is the value computed by the compiler's getSuperClass intrinsic: | |
651 debug_only(klassOop super2 = ( Klass::cast(k)->oop_is_javaArray() | |
1142 | 652 ? SystemDictionary::Object_klass() |
0 | 653 : Klass::cast(k)->super() ) ); |
654 assert(super == super2, | |
655 "java_super computation depends on interface, array, other super"); | |
656 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(Klass::cast(super)->java_mirror()); | |
657 return obj; | |
658 JNI_END | |
659 | |
660 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
661 JNIWrapper("IsSubclassOf"); | |
4006 | 662 #ifndef USDT2 |
0 | 663 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
4006 | 664 #else /* USDT2 */ |
665 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
666 env, sub, super); | |
667 #endif /* USDT2 */ | |
0 | 668 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
669 oop super_mirror = JNIHandles::resolve_non_null(super); | |
670 if (java_lang_Class::is_primitive(sub_mirror) || | |
671 java_lang_Class::is_primitive(super_mirror)) { | |
672 jboolean ret = (sub_mirror == super_mirror); | |
4006 | 673 #ifndef USDT2 |
0 | 674 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 675 #else /* USDT2 */ |
676 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
677 ret); | |
678 #endif /* USDT2 */ | |
0 | 679 return ret; |
680 } | |
681 klassOop sub_klass = java_lang_Class::as_klassOop(sub_mirror); | |
682 klassOop super_klass = java_lang_Class::as_klassOop(super_mirror); | |
683 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); | |
684 jboolean ret = Klass::cast(sub_klass)->is_subtype_of(super_klass) ? | |
685 JNI_TRUE : JNI_FALSE; | |
4006 | 686 #ifndef USDT2 |
0 | 687 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 688 #else /* USDT2 */ |
689 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
690 ret); | |
691 #endif /* USDT2 */ | |
0 | 692 return ret; |
693 JNI_END | |
694 | |
4006 | 695 #ifndef USDT2 |
0 | 696 DT_RETURN_MARK_DECL(Throw, jint); |
4006 | 697 #else /* USDT2 */ |
698 DT_RETURN_MARK_DECL(Throw, jint | |
699 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
700 #endif /* USDT2 */ | |
0 | 701 |
702 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
703 JNIWrapper("Throw"); | |
4006 | 704 #ifndef USDT2 |
0 | 705 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
4006 | 706 #else /* USDT2 */ |
707 HOTSPOT_JNI_THROW_ENTRY( | |
708 env, obj); | |
709 #endif /* USDT2 */ | |
0 | 710 jint ret = JNI_OK; |
711 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
712 | |
713 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
714 ShouldNotReachHere(); | |
715 JNI_END | |
716 | |
4006 | 717 #ifndef USDT2 |
0 | 718 DT_RETURN_MARK_DECL(ThrowNew, jint); |
4006 | 719 #else /* USDT2 */ |
720 DT_RETURN_MARK_DECL(ThrowNew, jint | |
721 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
722 #endif /* USDT2 */ | |
0 | 723 |
724 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
725 JNIWrapper("ThrowNew"); | |
4006 | 726 #ifndef USDT2 |
0 | 727 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
4006 | 728 #else /* USDT2 */ |
729 HOTSPOT_JNI_THROWNEW_ENTRY( | |
730 env, clazz, (char *) message); | |
731 #endif /* USDT2 */ | |
0 | 732 jint ret = JNI_OK; |
733 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
734 | |
735 instanceKlass* k = instanceKlass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
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736 Symbol* name = k->name(); |
0 | 737 Handle class_loader (THREAD, k->class_loader()); |
738 Handle protection_domain (THREAD, k->protection_domain()); | |
739 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
740 ShouldNotReachHere(); | |
741 JNI_END | |
742 | |
743 | |
744 // JNI functions only transform a pending async exception to a synchronous | |
745 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
746 // delivering an async exception in other places won't change the native | |
747 // code's control flow and would be harmful when native code further calls | |
748 // JNI functions with a pending exception. Async exception is also checked | |
749 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
750 // false but deliver the async exception at the very end during | |
751 // state transition. | |
752 | |
753 static void jni_check_async_exceptions(JavaThread *thread) { | |
754 assert(thread == Thread::current(), "must be itself"); | |
755 thread->check_and_handle_async_exceptions(); | |
756 } | |
757 | |
758 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
759 JNIWrapper("ExceptionOccurred"); | |
4006 | 760 #ifndef USDT2 |
0 | 761 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
4006 | 762 #else /* USDT2 */ |
763 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
764 env); | |
765 #endif /* USDT2 */ | |
0 | 766 jni_check_async_exceptions(thread); |
767 oop exception = thread->pending_exception(); | |
768 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
4006 | 769 #ifndef USDT2 |
0 | 770 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
4006 | 771 #else /* USDT2 */ |
772 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
773 ret); | |
774 #endif /* USDT2 */ | |
0 | 775 return ret; |
776 JNI_END | |
777 | |
778 | |
779 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
780 JNIWrapper("ExceptionDescribe"); | |
4006 | 781 #ifndef USDT2 |
0 | 782 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
4006 | 783 #else /* USDT2 */ |
784 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
785 env); | |
786 #endif /* USDT2 */ | |
0 | 787 if (thread->has_pending_exception()) { |
788 Handle ex(thread, thread->pending_exception()); | |
789 thread->clear_pending_exception(); | |
1142 | 790 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
0 | 791 // Don't print anything if we are being killed. |
792 } else { | |
793 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
794 if (thread != NULL && thread->threadObj() != NULL) { | |
795 ResourceMark rm(THREAD); | |
796 jio_fprintf(defaultStream::error_stream(), | |
797 "in thread \"%s\" ", thread->get_thread_name()); | |
798 } | |
1142 | 799 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
0 | 800 JavaValue result(T_VOID); |
801 JavaCalls::call_virtual(&result, | |
802 ex, | |
803 KlassHandle(THREAD, | |
1142 | 804 SystemDictionary::Throwable_klass()), |
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805 vmSymbols::printStackTrace_name(), |
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806 vmSymbols::void_method_signature(), |
0 | 807 THREAD); |
808 // If an exception is thrown in the call it gets thrown away. Not much | |
809 // we can do with it. The native code that calls this, does not check | |
810 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
811 // called, potentially causing a few asserts to trigger - since no pending exception | |
812 // is expected. | |
813 CLEAR_PENDING_EXCEPTION; | |
814 } else { | |
815 ResourceMark rm(THREAD); | |
816 jio_fprintf(defaultStream::error_stream(), | |
817 ". Uncaught exception of type %s.", | |
818 Klass::cast(ex->klass())->external_name()); | |
819 } | |
820 } | |
821 } | |
4006 | 822 #ifndef USDT2 |
0 | 823 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
4006 | 824 #else /* USDT2 */ |
825 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
826 ); | |
827 #endif /* USDT2 */ | |
0 | 828 JNI_END |
829 | |
830 | |
831 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
832 JNIWrapper("ExceptionClear"); | |
4006 | 833 #ifndef USDT2 |
0 | 834 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
4006 | 835 #else /* USDT2 */ |
836 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
837 env); | |
838 #endif /* USDT2 */ | |
0 | 839 |
840 // The jni code might be using this API to clear java thrown exception. | |
841 // So just mark jvmti thread exception state as exception caught. | |
842 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
843 if (state != NULL && state->is_exception_detected()) { | |
844 state->set_exception_caught(); | |
845 } | |
846 thread->clear_pending_exception(); | |
4006 | 847 #ifndef USDT2 |
0 | 848 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
4006 | 849 #else /* USDT2 */ |
850 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
851 ); | |
852 #endif /* USDT2 */ | |
0 | 853 JNI_END |
854 | |
855 | |
856 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
857 JNIWrapper("FatalError"); | |
4006 | 858 #ifndef USDT2 |
0 | 859 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
4006 | 860 #else /* USDT2 */ |
861 HOTSPOT_JNI_FATALERROR_ENTRY( | |
862 env, (char *) msg); | |
863 #endif /* USDT2 */ | |
0 | 864 tty->print_cr("FATAL ERROR in native method: %s", msg); |
865 thread->print_stack(); | |
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866 os::abort(); // Dump core and abort |
0 | 867 JNI_END |
868 | |
869 | |
870 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
871 JNIWrapper("PushLocalFrame"); | |
4006 | 872 #ifndef USDT2 |
0 | 873 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
4006 | 874 #else /* USDT2 */ |
875 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
876 env, capacity); | |
877 #endif /* USDT2 */ | |
0 | 878 //%note jni_11 |
879 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
4006 | 880 #ifndef USDT2 |
0 | 881 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
4006 | 882 #else /* USDT2 */ |
883 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
884 (uint32_t)JNI_ERR); | |
885 #endif /* USDT2 */ | |
0 | 886 return JNI_ERR; |
887 } | |
888 JNIHandleBlock* old_handles = thread->active_handles(); | |
889 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
890 assert(new_handles != NULL, "should not be NULL"); | |
891 new_handles->set_pop_frame_link(old_handles); | |
892 thread->set_active_handles(new_handles); | |
893 jint ret = JNI_OK; | |
4006 | 894 #ifndef USDT2 |
0 | 895 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
4006 | 896 #else /* USDT2 */ |
897 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
898 ret); | |
899 #endif /* USDT2 */ | |
0 | 900 return ret; |
901 JNI_END | |
902 | |
903 | |
904 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
905 JNIWrapper("PopLocalFrame"); | |
4006 | 906 #ifndef USDT2 |
0 | 907 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
4006 | 908 #else /* USDT2 */ |
909 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
910 env, result); | |
911 #endif /* USDT2 */ | |
0 | 912 //%note jni_11 |
913 Handle result_handle(thread, JNIHandles::resolve(result)); | |
914 JNIHandleBlock* old_handles = thread->active_handles(); | |
915 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
916 if (new_handles != NULL) { | |
917 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
918 // This way code will still work if PopLocalFrame is called without a corresponding | |
919 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
920 // the release_block call will release the blocks. | |
921 thread->set_active_handles(new_handles); | |
922 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
923 JNIHandleBlock::release_block(old_handles, thread); // may block | |
924 result = JNIHandles::make_local(thread, result_handle()); | |
925 } | |
4006 | 926 #ifndef USDT2 |
0 | 927 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
4006 | 928 #else /* USDT2 */ |
929 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
930 result); | |
931 #endif /* USDT2 */ | |
0 | 932 return result; |
933 JNI_END | |
934 | |
935 | |
936 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
937 JNIWrapper("NewGlobalRef"); | |
4006 | 938 #ifndef USDT2 |
0 | 939 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
4006 | 940 #else /* USDT2 */ |
941 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
942 env, ref); | |
943 #endif /* USDT2 */ | |
0 | 944 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
945 jobject ret = JNIHandles::make_global(ref_handle); | |
4006 | 946 #ifndef USDT2 |
0 | 947 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
4006 | 948 #else /* USDT2 */ |
949 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
950 ret); | |
951 #endif /* USDT2 */ | |
0 | 952 return ret; |
953 JNI_END | |
954 | |
955 // Must be JNI_ENTRY (with HandleMark) | |
956 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
957 JNIWrapper("DeleteGlobalRef"); | |
4006 | 958 #ifndef USDT2 |
0 | 959 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
4006 | 960 #else /* USDT2 */ |
961 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
962 env, ref); | |
963 #endif /* USDT2 */ | |
0 | 964 JNIHandles::destroy_global(ref); |
4006 | 965 #ifndef USDT2 |
0 | 966 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
4006 | 967 #else /* USDT2 */ |
968 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
969 ); | |
970 #endif /* USDT2 */ | |
0 | 971 JNI_END |
972 | |
973 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
974 JNIWrapper("DeleteLocalRef"); | |
4006 | 975 #ifndef USDT2 |
0 | 976 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
4006 | 977 #else /* USDT2 */ |
978 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
979 env, obj); | |
980 #endif /* USDT2 */ | |
0 | 981 JNIHandles::destroy_local(obj); |
4006 | 982 #ifndef USDT2 |
0 | 983 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
4006 | 984 #else /* USDT2 */ |
985 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
986 ); | |
987 #endif /* USDT2 */ | |
0 | 988 JNI_END |
989 | |
990 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
991 JNIWrapper("IsSameObject"); | |
4006 | 992 #ifndef USDT2 |
0 | 993 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
4006 | 994 #else /* USDT2 */ |
995 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
996 env, r1, r2); | |
997 #endif /* USDT2 */ | |
0 | 998 oop a = JNIHandles::resolve(r1); |
999 oop b = JNIHandles::resolve(r2); | |
1000 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
4006 | 1001 #ifndef USDT2 |
0 | 1002 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
4006 | 1003 #else /* USDT2 */ |
1004 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
1005 ret); | |
1006 #endif /* USDT2 */ | |
0 | 1007 return ret; |
1008 JNI_END | |
1009 | |
1010 | |
1011 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
1012 JNIWrapper("NewLocalRef"); | |
4006 | 1013 #ifndef USDT2 |
0 | 1014 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
4006 | 1015 #else /* USDT2 */ |
1016 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
1017 env, ref); | |
1018 #endif /* USDT2 */ | |
0 | 1019 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
4006 | 1020 #ifndef USDT2 |
0 | 1021 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
4006 | 1022 #else /* USDT2 */ |
1023 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
1024 ret); | |
1025 #endif /* USDT2 */ | |
0 | 1026 return ret; |
1027 JNI_END | |
1028 | |
1029 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
1030 JNIWrapper("EnsureLocalCapacity"); | |
4006 | 1031 #ifndef USDT2 |
0 | 1032 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
4006 | 1033 #else /* USDT2 */ |
1034 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
1035 env, capacity); | |
1036 #endif /* USDT2 */ | |
0 | 1037 jint ret; |
1038 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
1039 ret = JNI_OK; | |
1040 } else { | |
1041 ret = JNI_ERR; | |
1042 } | |
4006 | 1043 #ifndef USDT2 |
0 | 1044 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
4006 | 1045 #else /* USDT2 */ |
1046 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
1047 ret); | |
1048 #endif /* USDT2 */ | |
0 | 1049 return ret; |
1050 JNI_END | |
1051 | |
1052 // Return the Handle Type | |
1053 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
1054 JNIWrapper("GetObjectRefType"); | |
4006 | 1055 #ifndef USDT2 |
0 | 1056 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
4006 | 1057 #else /* USDT2 */ |
1058 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
1059 env, obj); | |
1060 #endif /* USDT2 */ | |
0 | 1061 jobjectRefType ret; |
1062 if (JNIHandles::is_local_handle(thread, obj) || | |
1063 JNIHandles::is_frame_handle(thread, obj)) | |
1064 ret = JNILocalRefType; | |
1065 else if (JNIHandles::is_global_handle(obj)) | |
1066 ret = JNIGlobalRefType; | |
1067 else if (JNIHandles::is_weak_global_handle(obj)) | |
1068 ret = JNIWeakGlobalRefType; | |
1069 else | |
1070 ret = JNIInvalidRefType; | |
4006 | 1071 #ifndef USDT2 |
0 | 1072 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
4006 | 1073 #else /* USDT2 */ |
1074 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
1075 (void *) ret); | |
1076 #endif /* USDT2 */ | |
0 | 1077 return ret; |
1078 JNI_END | |
1079 | |
1080 | |
1081 class JNI_ArgumentPusher : public SignatureIterator { | |
1082 protected: | |
1083 JavaCallArguments* _arguments; | |
1084 | |
1085 virtual void get_bool () = 0; | |
1086 virtual void get_char () = 0; | |
1087 virtual void get_short () = 0; | |
1088 virtual void get_byte () = 0; | |
1089 virtual void get_int () = 0; | |
1090 virtual void get_long () = 0; | |
1091 virtual void get_float () = 0; | |
1092 virtual void get_double () = 0; | |
1093 virtual void get_object () = 0; | |
1094 | |
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1095 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
0 | 1096 this->_return_type = T_ILLEGAL; |
1097 _arguments = NULL; | |
1098 } | |
1099 | |
1100 public: | |
1101 virtual void iterate( uint64_t fingerprint ) = 0; | |
1102 | |
1103 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
1104 | |
1105 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
1106 inline void do_char() { if (!is_return_type()) get_char(); } | |
1107 inline void do_short() { if (!is_return_type()) get_short(); } | |
1108 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
1109 inline void do_int() { if (!is_return_type()) get_int(); } | |
1110 inline void do_long() { if (!is_return_type()) get_long(); } | |
1111 inline void do_float() { if (!is_return_type()) get_float(); } | |
1112 inline void do_double() { if (!is_return_type()) get_double(); } | |
1113 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
1114 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
1115 inline void do_void() { } | |
1116 | |
1117 JavaCallArguments* arguments() { return _arguments; } | |
1118 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
1119 }; | |
1120 | |
1121 | |
1122 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
1123 protected: | |
1124 va_list _ap; | |
1125 | |
1126 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
1127 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
1128 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
1129 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
1130 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
1131 | |
1132 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
1133 | |
1134 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
1135 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
1136 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
1137 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
1138 _arguments->push_oop(Handle((oop *)l, false)); } | |
1139 | |
1140 inline void set_ap(va_list rap) { | |
1141 #ifdef va_copy | |
1142 va_copy(_ap, rap); | |
1143 #elif defined (__va_copy) | |
1144 __va_copy(_ap, rap); | |
1145 #else | |
1146 _ap = rap; | |
1147 #endif | |
1148 } | |
1149 | |
1150 public: | |
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1151 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1152 : JNI_ArgumentPusher(signature) { |
0 | 1153 set_ap(rap); |
1154 } | |
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1155 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1156 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
0 | 1157 set_ap(rap); |
1158 } | |
1159 | |
1160 // Optimized path if we have the bitvector form of signature | |
1161 void iterate( uint64_t fingerprint ) { | |
1162 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
1163 else { | |
1164 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1165 result_feature_mask); | |
1166 | |
1167 assert(fingerprint, "Fingerprint should not be 0"); | |
1168 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1169 while ( 1 ) { | |
1170 switch ( fingerprint & parameter_feature_mask ) { | |
1171 case bool_parm: | |
1172 case char_parm: | |
1173 case short_parm: | |
1174 case byte_parm: | |
1175 case int_parm: | |
1176 get_int(); | |
1177 break; | |
1178 case obj_parm: | |
1179 get_object(); | |
1180 break; | |
1181 case long_parm: | |
1182 get_long(); | |
1183 break; | |
1184 case float_parm: | |
1185 get_float(); | |
1186 break; | |
1187 case double_parm: | |
1188 get_double(); | |
1189 break; | |
1190 case done_parm: | |
1191 return; | |
1192 break; | |
1193 default: | |
1194 ShouldNotReachHere(); | |
1195 break; | |
1196 } | |
1197 fingerprint >>= parameter_feature_size; | |
1198 } | |
1199 } | |
1200 } | |
1201 }; | |
1202 | |
1203 | |
1204 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
1205 protected: | |
1206 const jvalue *_ap; | |
1207 | |
1208 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
1209 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
1210 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
1211 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
1212 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
1213 | |
1214 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
1215 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
1216 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
1217 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
1218 | |
1219 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
1220 | |
1221 public: | |
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1222 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1223 : JNI_ArgumentPusher(signature) { |
0 | 1224 set_ap(rap); |
1225 } | |
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1226 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1227 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
0 | 1228 set_ap(rap); |
1229 } | |
1230 | |
1231 // Optimized path if we have the bitvector form of signature | |
1232 void iterate( uint64_t fingerprint ) { | |
1233 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
1234 else { | |
1235 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1236 result_feature_mask); | |
1237 assert(fingerprint, "Fingerprint should not be 0"); | |
1238 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1239 while ( 1 ) { | |
1240 switch ( fingerprint & parameter_feature_mask ) { | |
1241 case bool_parm: | |
1242 get_bool(); | |
1243 break; | |
1244 case char_parm: | |
1245 get_char(); | |
1246 break; | |
1247 case short_parm: | |
1248 get_short(); | |
1249 break; | |
1250 case byte_parm: | |
1251 get_byte(); | |
1252 break; | |
1253 case int_parm: | |
1254 get_int(); | |
1255 break; | |
1256 case obj_parm: | |
1257 get_object(); | |
1258 break; | |
1259 case long_parm: | |
1260 get_long(); | |
1261 break; | |
1262 case float_parm: | |
1263 get_float(); | |
1264 break; | |
1265 case double_parm: | |
1266 get_double(); | |
1267 break; | |
1268 case done_parm: | |
1269 return; | |
1270 break; | |
1271 default: | |
1272 ShouldNotReachHere(); | |
1273 break; | |
1274 } | |
1275 fingerprint >>= parameter_feature_size; | |
1276 } | |
1277 } | |
1278 } | |
1279 }; | |
1280 | |
1281 | |
1282 enum JNICallType { | |
1283 JNI_STATIC, | |
1284 JNI_VIRTUAL, | |
1285 JNI_NONVIRTUAL | |
1286 }; | |
1287 | |
1288 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
1289 assert(!method.is_null() , "method should not be null"); | |
1290 | |
1291 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
1292 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
1293 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1294 Symbol* name = method->name(); |
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1295 Symbol* signature = method->signature(); |
0 | 1296 CallInfo info; |
1297 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
1298 return info.selected_method(); | |
1299 } | |
1300 | |
1301 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
1302 assert(!method.is_null() , "method should not be null"); | |
1303 | |
1304 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
1305 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
1306 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1307 Symbol* name = method->name(); |
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1308 Symbol* signature = method->signature(); |
0 | 1309 CallInfo info; |
1310 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
1311 return info.selected_method(); | |
1312 } | |
1313 | |
1314 | |
1315 | |
1316 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1317 methodHandle method(THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
1318 | |
1319 // Create object to hold arguments for the JavaCall, and associate it with | |
1320 // the jni parser | |
1321 ResourceMark rm(THREAD); | |
1322 int number_of_parameters = method->size_of_parameters(); | |
1323 JavaCallArguments java_args(number_of_parameters); | |
1324 args->set_java_argument_object(&java_args); | |
1325 | |
1326 assert(method->is_static(), "method should be static"); | |
1327 | |
1328 // Fill out JavaCallArguments object | |
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1329 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1330 // Initialize result type |
1331 result->set_type(args->get_ret_type()); | |
1332 | |
1333 // Invoke the method. Result is returned as oop. | |
1334 JavaCalls::call(result, method, &java_args, CHECK); | |
1335 | |
1336 // Convert result | |
1337 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1338 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1339 } | |
1340 } | |
1341 | |
1342 | |
1343 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1344 oop recv = JNIHandles::resolve(receiver); | |
1345 if (recv == NULL) { | |
1346 THROW(vmSymbols::java_lang_NullPointerException()); | |
1347 } | |
1348 Handle h_recv(THREAD, recv); | |
1349 | |
1350 int number_of_parameters; | |
1351 methodOop selected_method; | |
1352 { | |
1353 methodOop m = JNIHandles::resolve_jmethod_id(method_id); | |
1354 number_of_parameters = m->size_of_parameters(); | |
1355 klassOop holder = m->method_holder(); | |
1356 if (!(Klass::cast(holder))->is_interface()) { | |
1357 // non-interface call -- for that little speed boost, don't handlize | |
1358 debug_only(No_Safepoint_Verifier nosafepoint;) | |
1359 if (call_type == JNI_VIRTUAL) { | |
1360 // jni_GetMethodID makes sure class is linked and initialized | |
1361 // so m should have a valid vtable index. | |
1362 int vtbl_index = m->vtable_index(); | |
1363 if (vtbl_index != methodOopDesc::nonvirtual_vtable_index) { | |
1364 klassOop k = h_recv->klass(); | |
1365 // k might be an arrayKlassOop but all vtables start at | |
1366 // the same place. The cast is to avoid virtual call and assertion. | |
1367 instanceKlass *ik = (instanceKlass*)k->klass_part(); | |
1368 selected_method = ik->method_at_vtable(vtbl_index); | |
1369 } else { | |
1370 // final method | |
1371 selected_method = m; | |
1372 } | |
1373 } else { | |
1374 // JNI_NONVIRTUAL call | |
1375 selected_method = m; | |
1376 } | |
1377 } else { | |
1378 // interface call | |
1379 KlassHandle h_holder(THREAD, holder); | |
1380 | |
1381 int itbl_index = m->cached_itable_index(); | |
1382 if (itbl_index == -1) { | |
1383 itbl_index = klassItable::compute_itable_index(m); | |
1384 m->set_cached_itable_index(itbl_index); | |
1385 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
1386 } | |
1387 klassOop k = h_recv->klass(); | |
1388 selected_method = instanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
1389 } | |
1390 } | |
1391 | |
1392 methodHandle method(THREAD, selected_method); | |
1393 | |
1394 // Create object to hold arguments for the JavaCall, and associate it with | |
1395 // the jni parser | |
1396 ResourceMark rm(THREAD); | |
1397 JavaCallArguments java_args(number_of_parameters); | |
1398 args->set_java_argument_object(&java_args); | |
1399 | |
1400 // handle arguments | |
1401 assert(!method->is_static(), "method should not be static"); | |
1402 args->push_receiver(h_recv); // Push jobject handle | |
1403 | |
1404 // Fill out JavaCallArguments object | |
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1405 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1406 // Initialize result type |
1407 result->set_type(args->get_ret_type()); | |
1408 | |
1409 // Invoke the method. Result is returned as oop. | |
1410 JavaCalls::call(result, method, &java_args, CHECK); | |
1411 | |
1412 // Convert result | |
1413 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1414 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1415 } | |
1416 } | |
1417 | |
1418 | |
1419 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
1420 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
1421 Klass::cast(k())->check_valid_for_instantiation(false, CHECK_NULL); | |
1422 instanceKlass::cast(k())->initialize(CHECK_NULL); | |
1423 instanceOop ih = instanceKlass::cast(k())->allocate_instance(THREAD); | |
1424 return ih; | |
1425 } | |
1426 | |
4006 | 1427 #ifndef USDT2 |
0 | 1428 DT_RETURN_MARK_DECL(AllocObject, jobject); |
4006 | 1429 #else /* USDT2 */ |
1430 DT_RETURN_MARK_DECL(AllocObject, jobject | |
1431 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
1432 #endif /* USDT2 */ | |
0 | 1433 |
1434 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
1435 JNIWrapper("AllocObject"); | |
1436 | |
4006 | 1437 #ifndef USDT2 |
0 | 1438 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
4006 | 1439 #else /* USDT2 */ |
1440 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
1441 env, clazz); | |
1442 #endif /* USDT2 */ | |
0 | 1443 jobject ret = NULL; |
1444 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
1445 | |
1446 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1447 ret = JNIHandles::make_local(env, i); | |
1448 return ret; | |
1449 JNI_END | |
1450 | |
4006 | 1451 #ifndef USDT2 |
0 | 1452 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
4006 | 1453 #else /* USDT2 */ |
1454 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
1455 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
1456 #endif /* USDT2 */ | |
0 | 1457 |
1458 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
1459 JNIWrapper("NewObjectA"); | |
4006 | 1460 #ifndef USDT2 |
0 | 1461 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
4006 | 1462 #else /* USDT2 */ |
1463 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
1464 env, clazz, (uintptr_t) methodID); | |
1465 #endif /* USDT2 */ | |
0 | 1466 jobject obj = NULL; |
1467 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
1468 | |
1469 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1470 obj = JNIHandles::make_local(env, i); | |
1471 JavaValue jvalue(T_VOID); | |
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1472 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1473 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1474 return obj; | |
1475 JNI_END | |
1476 | |
4006 | 1477 #ifndef USDT2 |
0 | 1478 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
4006 | 1479 #else /* USDT2 */ |
1480 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
1481 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
1482 #endif /* USDT2 */ | |
0 | 1483 |
1484 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
1485 JNIWrapper("NewObjectV"); | |
4006 | 1486 #ifndef USDT2 |
0 | 1487 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
4006 | 1488 #else /* USDT2 */ |
1489 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
1490 env, clazz, (uintptr_t) methodID); | |
1491 #endif /* USDT2 */ | |
0 | 1492 jobject obj = NULL; |
1493 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
1494 | |
1495 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1496 obj = JNIHandles::make_local(env, i); | |
1497 JavaValue jvalue(T_VOID); | |
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1498 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1499 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1500 return obj; | |
1501 JNI_END | |
1502 | |
4006 | 1503 #ifndef USDT2 |
0 | 1504 DT_RETURN_MARK_DECL(NewObject, jobject); |
4006 | 1505 #else /* USDT2 */ |
1506 DT_RETURN_MARK_DECL(NewObject, jobject | |
1507 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
1508 #endif /* USDT2 */ | |
0 | 1509 |
1510 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
1511 JNIWrapper("NewObject"); | |
4006 | 1512 #ifndef USDT2 |
0 | 1513 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
4006 | 1514 #else /* USDT2 */ |
1515 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
1516 env, clazz, (uintptr_t) methodID); | |
1517 #endif /* USDT2 */ | |
0 | 1518 jobject obj = NULL; |
1519 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
1520 | |
1521 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1522 obj = JNIHandles::make_local(env, i); | |
1523 va_list args; | |
1524 va_start(args, methodID); | |
1525 JavaValue jvalue(T_VOID); | |
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1526 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1527 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1528 va_end(args); | |
1529 return obj; | |
1530 JNI_END | |
1531 | |
1532 | |
1533 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
1534 JNIWrapper("GetObjectClass"); | |
4006 | 1535 #ifndef USDT2 |
0 | 1536 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
4006 | 1537 #else /* USDT2 */ |
1538 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
1539 env, obj); | |
1540 #endif /* USDT2 */ | |
0 | 1541 klassOop k = JNIHandles::resolve_non_null(obj)->klass(); |
1542 jclass ret = | |
1543 (jclass) JNIHandles::make_local(env, Klass::cast(k)->java_mirror()); | |
4006 | 1544 #ifndef USDT2 |
0 | 1545 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
4006 | 1546 #else /* USDT2 */ |
1547 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
1548 ret); | |
1549 #endif /* USDT2 */ | |
0 | 1550 return ret; |
1551 JNI_END | |
1552 | |
1553 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
1554 JNIWrapper("IsInstanceOf"); | |
4006 | 1555 #ifndef USDT2 |
0 | 1556 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
4006 | 1557 #else /* USDT2 */ |
1558 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
1559 env, obj, clazz); | |
1560 #endif /* USDT2 */ | |
0 | 1561 jboolean ret = JNI_TRUE; |
1562 if (obj != NULL) { | |
1563 ret = JNI_FALSE; | |
1564 klassOop k = java_lang_Class::as_klassOop( | |
1565 JNIHandles::resolve_non_null(clazz)); | |
1566 if (k != NULL) { | |
1567 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
1568 } | |
1569 } | |
4006 | 1570 #ifndef USDT2 |
0 | 1571 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
4006 | 1572 #else /* USDT2 */ |
1573 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
1574 ret); | |
1575 #endif /* USDT2 */ | |
0 | 1576 return ret; |
1577 JNI_END | |
1578 | |
1579 | |
1580 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
1581 const char *sig, bool is_static, TRAPS) { | |
1582 // %%%% This code should probably just call into a method in the LinkResolver | |
1583 // | |
1584 // The class should have been loaded (we have an instance of the class | |
1585 // passed in) so the method and signature should already be in the symbol | |
1586 // table. If they're not there, the method doesn't exist. | |
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1587 const char *name_to_probe = (name_str == NULL) |
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1588 ? vmSymbols::object_initializer_name()->as_C_string() |
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1589 : name_str; |
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1590 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1591 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1592 |
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1593 if (name == NULL || signature == NULL) { |
0 | 1594 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
1595 } | |
1596 | |
1597 // Throw a NoSuchMethodError exception if we have an instance of a | |
1598 // primitive java.lang.Class | |
1599 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
1600 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1601 } | |
1602 | |
1603 KlassHandle klass(THREAD, | |
1604 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
1605 | |
1606 // Make sure class is linked and initialized before handing id's out to | |
1607 // methodOops. | |
1608 Klass::cast(klass())->initialize(CHECK_NULL); | |
1609 | |
1610 methodOop m; | |
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1611 if (name == vmSymbols::object_initializer_name() || |
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1612 name == vmSymbols::class_initializer_name()) { |
0 | 1613 // Never search superclasses for constructors |
1614 if (klass->oop_is_instance()) { | |
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1615 m = instanceKlass::cast(klass())->find_method(name, signature); |
0 | 1616 } else { |
1617 m = NULL; | |
1618 } | |
1619 } else { | |
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1620 m = klass->lookup_method(name, signature); |
0 | 1621 // Look up interfaces |
1622 if (m == NULL && klass->oop_is_instance()) { | |
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1623 m = instanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1624 signature); |
0 | 1625 } |
1626 } | |
1627 if (m == NULL || (m->is_static() != is_static)) { | |
1628 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1629 } | |
1630 return m->jmethod_id(); | |
1631 } | |
1632 | |
1633 | |
1634 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
1635 const char *name, const char *sig)) | |
1636 JNIWrapper("GetMethodID"); | |
4006 | 1637 #ifndef USDT2 |
0 | 1638 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
4006 | 1639 #else /* USDT2 */ |
1640 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
1641 env, clazz, (char *) name, (char *) sig); | |
1642 #endif /* USDT2 */ | |
0 | 1643 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
4006 | 1644 #ifndef USDT2 |
0 | 1645 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
4006 | 1646 #else /* USDT2 */ |
1647 HOTSPOT_JNI_GETMETHODID_RETURN( | |
1648 (uintptr_t) ret); | |
1649 #endif /* USDT2 */ | |
0 | 1650 return ret; |
1651 JNI_END | |
1652 | |
1653 | |
1654 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
1655 const char *name, const char *sig)) | |
1656 JNIWrapper("GetStaticMethodID"); | |
4006 | 1657 #ifndef USDT2 |
0 | 1658 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
4006 | 1659 #else /* USDT2 */ |
1660 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
1661 env, (char *) clazz, (char *) name, (char *)sig); | |
1662 #endif /* USDT2 */ | |
0 | 1663 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
4006 | 1664 #ifndef USDT2 |
0 | 1665 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
4006 | 1666 #else /* USDT2 */ |
1667 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
1668 (uintptr_t) ret); | |
1669 #endif /* USDT2 */ | |
0 | 1670 return ret; |
1671 JNI_END | |
1672 | |
1673 | |
1674 | |
1675 // | |
1676 // Calling Methods | |
1677 // | |
1678 | |
4006 | 1679 #ifndef USDT2 |
0 | 1680 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
1681 \ | |
1682 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
1683 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
1684 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
1685 \ | |
1686 JNI_ENTRY(ResultType, \ | |
1687 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1688 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1689 \ | |
4006 | 1690 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
0 | 1691 ResultType ret = 0;\ |
1692 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1693 (const ResultType&)ret);\ | |
1694 \ | |
1695 va_list args; \ | |
1696 va_start(args, methodID); \ | |
1697 JavaValue jvalue(Tag); \ | |
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1698 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1699 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1700 va_end(args); \ | |
1701 ret = jvalue.get_##ResultType(); \ | |
1702 return ret;\ | |
1703 JNI_END \ | |
1704 \ | |
1705 \ | |
1706 JNI_ENTRY(ResultType, \ | |
1707 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1708 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1709 \ | |
4006 | 1710 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
0 | 1711 ResultType ret = 0;\ |
1712 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1713 (const ResultType&)ret);\ | |
1714 \ | |
1715 JavaValue jvalue(Tag); \ | |
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1716 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1717 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1718 ret = jvalue.get_##ResultType(); \ | |
1719 return ret;\ | |
1720 JNI_END \ | |
1721 \ | |
1722 \ | |
1723 JNI_ENTRY(ResultType, \ | |
1724 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1725 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
4006 | 1726 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
0 | 1727 ResultType ret = 0;\ |
1728 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1729 (const ResultType&)ret);\ | |
1730 \ | |
1731 JavaValue jvalue(Tag); \ | |
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1732 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 1733 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1734 ret = jvalue.get_##ResultType(); \ | |
1735 return ret;\ | |
1736 JNI_END | |
1737 | |
1738 // the runtime type of subword integral basic types is integer | |
1739 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
1740 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
1741 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
1742 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
1743 | |
1744 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
1745 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
1746 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
1747 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
1748 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
1749 | |
1750 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
1751 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
1752 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
1753 | |
4006 | 1754 #else /* USDT2 */ |
1755 | |
1756 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
1757 , EntryProbe, ReturnProbe) \ | |
1758 \ | |
1759 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
1760 , ReturnProbe); \ | |
1761 \ | |
1762 JNI_ENTRY(ResultType, \ | |
1763 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1764 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1765 \ | |
1766 EntryProbe; \ | |
1767 ResultType ret = 0;\ | |
1768 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1769 (const ResultType&)ret);\ | |
1770 \ | |
1771 va_list args; \ | |
1772 va_start(args, methodID); \ | |
1773 JavaValue jvalue(Tag); \ | |
1774 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1775 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1776 va_end(args); \ | |
1777 ret = jvalue.get_##ResultType(); \ | |
1778 return ret;\ | |
1779 JNI_END | |
1780 | |
1781 // the runtime type of subword integral basic types is integer | |
1782 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
1783 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1784 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1785 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
1786 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1787 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1788 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
1789 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1790 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1791 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
1792 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1793 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1794 | |
1795 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
1796 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1797 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1798 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
1799 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1800 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1801 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
1802 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1803 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1804 // Float and double probes don't return value because dtrace doesn't currently support it | |
1805 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
1806 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1807 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1808 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
1809 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1810 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1811 | |
1812 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
1813 , EntryProbe, ReturnProbe) \ | |
1814 \ | |
1815 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
1816 , ReturnProbe); \ | |
1817 \ | |
1818 JNI_ENTRY(ResultType, \ | |
1819 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1820 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1821 \ | |
1822 EntryProbe;\ | |
1823 ResultType ret = 0;\ | |
1824 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1825 (const ResultType&)ret);\ | |
1826 \ | |
1827 JavaValue jvalue(Tag); \ | |
1828 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1829 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1830 ret = jvalue.get_##ResultType(); \ | |
1831 return ret;\ | |
1832 JNI_END | |
1833 | |
1834 // the runtime type of subword integral basic types is integer | |
1835 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
1836 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1837 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1838 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
1839 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1840 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1841 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
1842 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1843 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1844 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
1845 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1846 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1847 | |
1848 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
1849 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1850 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1851 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
1852 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1853 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1854 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
1855 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1856 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1857 // Float and double probes don't return value because dtrace doesn't currently support it | |
1858 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
1859 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1860 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1861 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
1862 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1863 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1864 | |
1865 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
1866 , EntryProbe, ReturnProbe) \ | |
1867 \ | |
1868 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
1869 , ReturnProbe); \ | |
1870 \ | |
1871 JNI_ENTRY(ResultType, \ | |
1872 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1873 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
1874 EntryProbe; \ | |
1875 ResultType ret = 0;\ | |
1876 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1877 (const ResultType&)ret);\ | |
1878 \ | |
1879 JavaValue jvalue(Tag); \ | |
1880 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1881 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1882 ret = jvalue.get_##ResultType(); \ | |
1883 return ret;\ | |
1884 JNI_END | |
1885 | |
1886 // the runtime type of subword integral basic types is integer | |
1887 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
1888 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1889 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1890 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
1891 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1892 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1893 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
1894 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1895 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1896 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
1897 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1898 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1899 | |
1900 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
1901 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1902 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1903 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
1904 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1905 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1906 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
1907 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1908 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1909 // Float and double probes don't return value because dtrace doesn't currently support it | |
1910 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
1911 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1912 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1913 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
1914 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1915 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1916 | |
1917 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
1918 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
1919 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
1920 | |
1921 #endif /* USDT2 */ | |
1922 | |
0 | 1923 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
1924 JNIWrapper("CallVoidMethod"); | |
4006 | 1925 #ifndef USDT2 |
0 | 1926 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
4006 | 1927 #else /* USDT2 */ |
1928 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
1929 env, obj, (uintptr_t) methodID); | |
1930 #endif /* USDT2 */ | |
0 | 1931 DT_VOID_RETURN_MARK(CallVoidMethod); |
1932 | |
1933 va_list args; | |
1934 va_start(args, methodID); | |
1935 JavaValue jvalue(T_VOID); | |
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1936 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1937 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1938 va_end(args); | |
1939 JNI_END | |
1940 | |
1941 | |
1942 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
1943 JNIWrapper("CallVoidMethodV"); | |
4006 | 1944 #ifndef USDT2 |
0 | 1945 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
4006 | 1946 #else /* USDT2 */ |
1947 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
1948 env, obj, (uintptr_t) methodID); | |
1949 #endif /* USDT2 */ | |
0 | 1950 DT_VOID_RETURN_MARK(CallVoidMethodV); |
1951 | |
1952 JavaValue jvalue(T_VOID); | |
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1953 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1954 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1955 JNI_END | |
1956 | |
1957 | |
1958 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
1959 JNIWrapper("CallVoidMethodA"); | |
4006 | 1960 #ifndef USDT2 |
0 | 1961 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
4006 | 1962 #else /* USDT2 */ |
1963 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
1964 env, obj, (uintptr_t) methodID); | |
1965 #endif /* USDT2 */ | |
0 | 1966 DT_VOID_RETURN_MARK(CallVoidMethodA); |
1967 | |
1968 JavaValue jvalue(T_VOID); | |
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1969 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1970 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1971 JNI_END | |
1972 | |
1973 | |
4006 | 1974 #ifndef USDT2 |
0 | 1975 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
1976 \ | |
1977 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
1978 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
1979 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
1980 \ | |
1981 JNI_ENTRY(ResultType, \ | |
1982 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
1983 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
1984 \ | |
1985 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
1986 ResultType ret;\ | |
1987 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
1988 (const ResultType&)ret);\ | |
1989 \ | |
1990 va_list args; \ | |
1991 va_start(args, methodID); \ | |
1992 JavaValue jvalue(Tag); \ | |
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1993 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1994 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1995 va_end(args); \ | |
1996 ret = jvalue.get_##ResultType(); \ | |
1997 return ret;\ | |
1998 JNI_END \ | |
1999 \ | |
2000 JNI_ENTRY(ResultType, \ | |
2001 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2002 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
2003 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
2004 ResultType ret;\ | |
2005 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2006 (const ResultType&)ret);\ | |
2007 \ | |
2008 JavaValue jvalue(Tag); \ | |
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2009 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2010 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2011 ret = jvalue.get_##ResultType(); \ | |
2012 return ret;\ | |
2013 JNI_END \ | |
2014 \ | |
2015 JNI_ENTRY(ResultType, \ | |
2016 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2017 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2018 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
2019 ResultType ret;\ | |
2020 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2021 (const ResultType&)ret);\ | |
2022 \ | |
2023 JavaValue jvalue(Tag); \ | |
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2024 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2025 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2026 ret = jvalue.get_##ResultType(); \ | |
2027 return ret;\ | |
2028 JNI_END | |
2029 | |
2030 // the runtime type of subword integral basic types is integer | |
2031 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2032 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
2033 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
2034 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
2035 | |
2036 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
2037 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
2038 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
2039 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
2040 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
2041 | |
2042 | |
2043 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
2044 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
2045 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
2046 | |
4006 | 2047 #else /* USDT2 */ |
2048 | |
2049 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
2050 , EntryProbe, ReturnProbe) \ | |
2051 \ | |
2052 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
2053 , ReturnProbe);\ | |
2054 \ | |
2055 JNI_ENTRY(ResultType, \ | |
2056 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
2057 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
2058 \ | |
2059 EntryProbe;\ | |
2060 ResultType ret;\ | |
2061 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
2062 (const ResultType&)ret);\ | |
2063 \ | |
2064 va_list args; \ | |
2065 va_start(args, methodID); \ | |
2066 JavaValue jvalue(Tag); \ | |
2067 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2068 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2069 va_end(args); \ | |
2070 ret = jvalue.get_##ResultType(); \ | |
2071 return ret;\ | |
2072 JNI_END | |
2073 | |
2074 // the runtime type of subword integral basic types is integer | |
2075 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
2076 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2077 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
2078 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
2079 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2080 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
2081 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
2082 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2083 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
2084 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
2085 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2086 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
2087 | |
2088 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
2089 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2090 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
2091 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
2092 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2093 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
2094 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
2095 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2096 // Float and double probes don't return value because dtrace doesn't currently support it | |
2097 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
2098 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
2099 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2100 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
2101 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
2102 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2103 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
2104 | |
2105 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
2106 , EntryProbe, ReturnProbe) \ | |
2107 \ | |
2108 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
2109 , ReturnProbe);\ | |
2110 \ | |
2111 JNI_ENTRY(ResultType, \ | |
2112 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2113 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
2114 \ | |
2115 EntryProbe;\ | |
2116 ResultType ret;\ | |
2117 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2118 (const ResultType&)ret);\ | |
2119 \ | |
2120 JavaValue jvalue(Tag); \ | |
2121 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2122 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2123 ret = jvalue.get_##ResultType(); \ | |
2124 return ret;\ | |
2125 JNI_END | |
2126 | |
2127 // the runtime type of subword integral basic types is integer | |
2128 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
2129 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2130 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
2131 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
2132 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2133 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
2134 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
2135 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2136 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
2137 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
2138 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2139 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
2140 | |
2141 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
2142 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2143 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
2144 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
2145 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2146 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
2147 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
2148 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2149 // Float and double probes don't return value because dtrace doesn't currently support it | |
2150 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
2151 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
2152 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2153 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
2154 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
2155 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2156 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
2157 | |
2158 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
2159 , EntryProbe, ReturnProbe) \ | |
2160 \ | |
2161 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
2162 , ReturnProbe);\ | |
2163 \ | |
2164 JNI_ENTRY(ResultType, \ | |
2165 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2166 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2167 \ | |
2168 EntryProbe;\ | |
2169 ResultType ret;\ | |
2170 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2171 (const ResultType&)ret);\ | |
2172 \ | |
2173 JavaValue jvalue(Tag); \ | |
2174 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2175 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2176 ret = jvalue.get_##ResultType(); \ | |
2177 return ret;\ | |
2178 JNI_END | |
2179 | |
2180 // the runtime type of subword integral basic types is integer | |
2181 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
2182 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2183 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
2184 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
2185 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2186 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
2187 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
2188 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2189 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
2190 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
2191 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2192 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
2193 | |
2194 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
2195 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2196 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
2197 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
2198 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2199 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
2200 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
2201 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2202 // Float and double probes don't return value because dtrace doesn't currently support it | |
2203 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
2204 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
2205 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2206 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
2207 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
2208 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2209 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
2210 | |
2211 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
2212 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
2213 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
2214 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
2215 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
2216 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
2217 #endif /* USDT2 */ | |
2218 | |
0 | 2219 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
2220 JNIWrapper("CallNonvirtualVoidMethod"); | |
2221 | |
4006 | 2222 #ifndef USDT2 |
0 | 2223 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
2224 env, obj, cls, methodID); | |
4006 | 2225 #else /* USDT2 */ |
2226 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
2227 env, obj, cls, (uintptr_t) methodID); | |
2228 #endif /* USDT2 */ | |
0 | 2229 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
2230 | |
2231 va_list args; | |
2232 va_start(args, methodID); | |
2233 JavaValue jvalue(T_VOID); | |
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2234 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2235 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2236 va_end(args); | |
2237 JNI_END | |
2238 | |
2239 | |
2240 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
2241 JNIWrapper("CallNonvirtualVoidMethodV"); | |
2242 | |
4006 | 2243 #ifndef USDT2 |
0 | 2244 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
2245 env, obj, cls, methodID); | |
4006 | 2246 #else /* USDT2 */ |
2247 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
2248 env, obj, cls, (uintptr_t) methodID); | |
2249 #endif /* USDT2 */ | |
0 | 2250 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
2251 | |
2252 JavaValue jvalue(T_VOID); | |
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2253 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2254 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2255 JNI_END | |
2256 | |
2257 | |
2258 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
2259 JNIWrapper("CallNonvirtualVoidMethodA"); | |
4006 | 2260 #ifndef USDT2 |
0 | 2261 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
2262 env, obj, cls, methodID); | |
4006 | 2263 #else /* USDT2 */ |
2264 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
2265 env, obj, cls, (uintptr_t) methodID); | |
2266 #endif /* USDT2 */ | |
0 | 2267 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
2268 JavaValue jvalue(T_VOID); | |
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2269 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2270 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2271 JNI_END | |
2272 | |
2273 | |
4006 | 2274 #ifndef USDT2 |
0 | 2275 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
2276 \ | |
2277 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
2278 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
2279 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
2280 \ | |
2281 JNI_ENTRY(ResultType, \ | |
2282 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2283 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2284 \ | |
2285 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
2286 ResultType ret = 0;\ | |
2287 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2288 (const ResultType&)ret);\ | |
2289 \ | |
2290 va_list args; \ | |
2291 va_start(args, methodID); \ | |
2292 JavaValue jvalue(Tag); \ | |
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2293 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2294 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2295 va_end(args); \ | |
2296 ret = jvalue.get_##ResultType(); \ | |
2297 return ret;\ | |
2298 JNI_END \ | |
2299 \ | |
2300 JNI_ENTRY(ResultType, \ | |
2301 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2302 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2303 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
2304 ResultType ret = 0;\ | |
2305 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2306 (const ResultType&)ret);\ | |
2307 \ | |
2308 JavaValue jvalue(Tag); \ | |
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2309 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2310 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2311 ret = jvalue.get_##ResultType(); \ | |
2312 return ret;\ | |
2313 JNI_END \ | |
2314 \ | |
2315 JNI_ENTRY(ResultType, \ | |
2316 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2317 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2318 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
2319 ResultType ret = 0;\ | |
2320 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2321 (const ResultType&)ret);\ | |
2322 \ | |
2323 JavaValue jvalue(Tag); \ | |
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2324 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2325 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2326 ret = jvalue.get_##ResultType(); \ | |
2327 return ret;\ | |
2328 JNI_END | |
2329 | |
2330 // the runtime type of subword integral basic types is integer | |
2331 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2332 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
2333 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
2334 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
2335 | |
2336 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
2337 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
2338 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
2339 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
2340 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
2341 | |
2342 | |
2343 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
2344 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
2345 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
2346 | |
4006 | 2347 #else /* USDT2 */ |
2348 | |
2349 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
2350 , EntryProbe, ResultProbe) \ | |
2351 \ | |
2352 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
2353 , ResultProbe); \ | |
2354 \ | |
2355 JNI_ENTRY(ResultType, \ | |
2356 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2357 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2358 \ | |
2359 EntryProbe; \ | |
2360 ResultType ret = 0;\ | |
2361 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2362 (const ResultType&)ret);\ | |
2363 \ | |
2364 va_list args; \ | |
2365 va_start(args, methodID); \ | |
2366 JavaValue jvalue(Tag); \ | |
2367 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2368 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2369 va_end(args); \ | |
2370 ret = jvalue.get_##ResultType(); \ | |
2371 return ret;\ | |
2372 JNI_END | |
2373 | |
2374 // the runtime type of subword integral basic types is integer | |
2375 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
2376 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2377 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
2378 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
2379 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2380 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
2381 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
2382 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2383 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
2384 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
2385 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2386 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
2387 | |
2388 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
2389 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2390 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
2391 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
2392 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2393 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
2394 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
2395 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2396 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
2397 // Float and double probes don't return value because dtrace doesn't currently support it | |
2398 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
2399 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2400 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
2401 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
2402 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2403 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
2404 | |
2405 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
2406 , EntryProbe, ResultProbe) \ | |
2407 \ | |
2408 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
2409 , ResultProbe); \ | |
2410 \ | |
2411 JNI_ENTRY(ResultType, \ | |
2412 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2413 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2414 \ | |
2415 EntryProbe; \ | |
2416 ResultType ret = 0;\ | |
2417 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2418 (const ResultType&)ret);\ | |
2419 \ | |
2420 JavaValue jvalue(Tag); \ | |
2421 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2422 /* Make sure class is initialized before trying to invoke its method */ \ | |
2423 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls))); \ | |
2424 Klass::cast(k())->initialize(CHECK_0); \ | |
2425 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2426 va_end(args); \ | |
2427 ret = jvalue.get_##ResultType(); \ | |
2428 return ret;\ | |
2429 JNI_END | |
2430 | |
2431 // the runtime type of subword integral basic types is integer | |
2432 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
2433 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2434 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
2435 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
2436 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2437 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
2438 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
2439 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2440 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
2441 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
2442 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2443 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
2444 | |
2445 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
2446 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2447 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
2448 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
2449 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2450 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
2451 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
2452 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2453 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
2454 // Float and double probes don't return value because dtrace doesn't currently support it | |
2455 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
2456 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2457 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
2458 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
2459 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2460 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
2461 | |
2462 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
2463 , EntryProbe, ResultProbe) \ | |
2464 \ | |
2465 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
2466 , ResultProbe); \ | |
2467 \ | |
2468 JNI_ENTRY(ResultType, \ | |
2469 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2470 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2471 \ | |
2472 EntryProbe; \ | |
2473 ResultType ret = 0;\ | |
2474 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2475 (const ResultType&)ret);\ | |
2476 \ | |
2477 JavaValue jvalue(Tag); \ | |
2478 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2479 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2480 ret = jvalue.get_##ResultType(); \ | |
2481 return ret;\ | |
2482 JNI_END | |
2483 | |
2484 // the runtime type of subword integral basic types is integer | |
2485 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
2486 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2487 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
2488 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
2489 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2490 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
2491 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
2492 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2493 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
2494 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
2495 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2496 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
2497 | |
2498 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
2499 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2500 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
2501 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
2502 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2503 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
2504 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
2505 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2506 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
2507 // Float and double probes don't return value because dtrace doesn't currently support it | |
2508 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
2509 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2510 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
2511 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
2512 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2513 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
2514 | |
2515 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
2516 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
2517 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
2518 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
2519 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
2520 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
2521 #endif /* USDT2 */ | |
2522 | |
0 | 2523 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
2524 JNIWrapper("CallStaticVoidMethod"); | |
4006 | 2525 #ifndef USDT2 |
0 | 2526 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
4006 | 2527 #else /* USDT2 */ |
2528 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
2529 env, cls, (uintptr_t) methodID); | |
2530 #endif /* USDT2 */ | |
0 | 2531 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
2532 | |
2533 va_list args; | |
2534 va_start(args, methodID); | |
2535 JavaValue jvalue(T_VOID); | |
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2536 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2537 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2538 va_end(args); | |
2539 JNI_END | |
2540 | |
2541 | |
2542 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
2543 JNIWrapper("CallStaticVoidMethodV"); | |
4006 | 2544 #ifndef USDT2 |
0 | 2545 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
4006 | 2546 #else /* USDT2 */ |
2547 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
2548 env, cls, (uintptr_t) methodID); | |
2549 #endif /* USDT2 */ | |
0 | 2550 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
2551 | |
2552 JavaValue jvalue(T_VOID); | |
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2553 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2554 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2555 JNI_END | |
2556 | |
2557 | |
2558 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
2559 JNIWrapper("CallStaticVoidMethodA"); | |
4006 | 2560 #ifndef USDT2 |
0 | 2561 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
4006 | 2562 #else /* USDT2 */ |
2563 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
2564 env, cls, (uintptr_t) methodID); | |
2565 #endif /* USDT2 */ | |
0 | 2566 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
2567 | |
2568 JavaValue jvalue(T_VOID); | |
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2569 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2570 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2571 JNI_END | |
2572 | |
2573 | |
2574 // | |
2575 // Accessing Fields | |
2576 // | |
2577 | |
2578 | |
4006 | 2579 #ifndef USDT2 |
0 | 2580 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
4006 | 2581 #else /* USDT2 */ |
2582 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
2583 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2584 #endif /* USDT2 */ | |
0 | 2585 |
2586 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
2587 const char *name, const char *sig)) | |
2588 JNIWrapper("GetFieldID"); | |
4006 | 2589 #ifndef USDT2 |
0 | 2590 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
4006 | 2591 #else /* USDT2 */ |
2592 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
2593 env, clazz, (char *) name, (char *) sig); | |
2594 #endif /* USDT2 */ | |
0 | 2595 jfieldID ret = 0; |
2596 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
2597 | |
2598 // The class should have been loaded (we have an instance of the class | |
2599 // passed in) so the field and signature should already be in the symbol | |
2600 // table. If they're not there, the field doesn't exist. | |
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2601 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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diff
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|
2602 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
3582bf76420e
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diff
changeset
|
2603 if (fieldname == NULL || signame == NULL) { |
0 | 2604 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2605 } | |
2606 KlassHandle k(THREAD, | |
2607 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
2608 // Make sure class is initialized before handing id's out to fields | |
2609 Klass::cast(k())->initialize(CHECK_NULL); | |
2610 | |
2611 fieldDescriptor fd; | |
2612 if (!Klass::cast(k())->oop_is_instance() || | |
2177
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|
2613 !instanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
0 | 2614 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2615 } | |
2616 | |
2617 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
2618 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
2619 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
2620 return ret; | |
2621 JNI_END | |
2622 | |
2623 | |
2624 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
2625 JNIWrapper("GetObjectField"); | |
4006 | 2626 #ifndef USDT2 |
0 | 2627 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
4006 | 2628 #else /* USDT2 */ |
2629 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
2630 env, obj, (uintptr_t) fieldID); | |
2631 #endif /* USDT2 */ | |
0 | 2632 oop o = JNIHandles::resolve_non_null(obj); |
2633 klassOop k = o->klass(); | |
2634 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
2635 // Keep JVMTI addition small and only check enabled flag here. | |
2636 // jni_GetField_probe() assumes that is okay to create handles. | |
2637 if (JvmtiExport::should_post_field_access()) { | |
2638 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
2639 } | |
2640 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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2376
diff
changeset
|
2641 #ifndef SERIALGC |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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2376
diff
changeset
|
2642 // 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
|
2643 // 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
|
2644 // referent with the SATB barrier. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2645 if (UseG1GC) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2646 bool needs_barrier = false; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2647 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2648 if (ret != NULL && |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2649 offset == java_lang_ref_Reference::referent_offset && |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2650 instanceKlass::cast(k)->reference_type() != REF_NONE) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2651 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
|
2652 needs_barrier = true; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2653 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2654 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2655 if (needs_barrier) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2656 oop referent = JNIHandles::resolve(ret); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2657 G1SATBCardTableModRefBS::enqueue(referent); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2658 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2659 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2660 #endif // SERIALGC |
4006 | 2661 #ifndef USDT2 |
0 | 2662 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
4006 | 2663 #else /* USDT2 */ |
2664 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
2665 ret); | |
2666 #endif /* USDT2 */ | |
0 | 2667 return ret; |
2668 JNI_END | |
2669 | |
2670 | |
4006 | 2671 #ifndef USDT2 |
0 | 2672 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
2673 \ | |
2674 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
2675 \ | |
2676 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2677 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2678 \ | |
2679 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
2680 Return ret = 0;\ | |
2681 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2682 \ | |
2683 oop o = JNIHandles::resolve_non_null(obj); \ | |
2684 klassOop k = o->klass(); \ | |
2685 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2686 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2687 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2688 /* and creates a ResetNoHandleMark. */ \ | |
2689 if (JvmtiExport::should_post_field_access()) { \ | |
2690 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2691 } \ | |
2692 ret = o->Fieldname##_field(offset); \ | |
2693 return ret; \ | |
2694 JNI_END | |
2695 | |
2696 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
2697 DEFINE_GETFIELD(jbyte, byte, Byte) | |
2698 DEFINE_GETFIELD(jchar, char, Char) | |
2699 DEFINE_GETFIELD(jshort, short, Short) | |
2700 DEFINE_GETFIELD(jint, int, Int) | |
2701 DEFINE_GETFIELD(jlong, long, Long) | |
2702 DEFINE_GETFIELD(jfloat, float, Float) | |
2703 DEFINE_GETFIELD(jdouble, double, Double) | |
2704 | |
4006 | 2705 #else /* USDT2 */ |
2706 | |
2707 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
2708 , EntryProbe, ReturnProbe) \ | |
2709 \ | |
2710 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
2711 , ReturnProbe); \ | |
2712 \ | |
2713 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2714 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2715 \ | |
2716 EntryProbe; \ | |
2717 Return ret = 0;\ | |
2718 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2719 \ | |
2720 oop o = JNIHandles::resolve_non_null(obj); \ | |
2721 klassOop k = o->klass(); \ | |
2722 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2723 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2724 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2725 /* and creates a ResetNoHandleMark. */ \ | |
2726 if (JvmtiExport::should_post_field_access()) { \ | |
2727 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2728 } \ | |
2729 ret = o->Fieldname##_field(offset); \ | |
2730 return ret; \ | |
2731 JNI_END | |
2732 | |
2733 DEFINE_GETFIELD(jboolean, bool, Boolean | |
2734 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2735 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
2736 DEFINE_GETFIELD(jbyte, byte, Byte | |
2737 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2738 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
2739 DEFINE_GETFIELD(jchar, char, Char | |
2740 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2741 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
2742 DEFINE_GETFIELD(jshort, short, Short | |
2743 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2744 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
2745 DEFINE_GETFIELD(jint, int, Int | |
2746 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2747 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
2748 DEFINE_GETFIELD(jlong, long, Long | |
2749 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2750 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
2751 // Float and double probes don't return value because dtrace doesn't currently support it | |
2752 DEFINE_GETFIELD(jfloat, float, Float | |
2753 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2754 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
2755 DEFINE_GETFIELD(jdouble, double, Double | |
2756 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2757 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
2758 #endif /* USDT2 */ | |
2759 | |
0 | 2760 address jni_GetBooleanField_addr() { |
2761 return (address)jni_GetBooleanField; | |
2762 } | |
2763 address jni_GetByteField_addr() { | |
2764 return (address)jni_GetByteField; | |
2765 } | |
2766 address jni_GetCharField_addr() { | |
2767 return (address)jni_GetCharField; | |
2768 } | |
2769 address jni_GetShortField_addr() { | |
2770 return (address)jni_GetShortField; | |
2771 } | |
2772 address jni_GetIntField_addr() { | |
2773 return (address)jni_GetIntField; | |
2774 } | |
2775 address jni_GetLongField_addr() { | |
2776 return (address)jni_GetLongField; | |
2777 } | |
2778 address jni_GetFloatField_addr() { | |
2779 return (address)jni_GetFloatField; | |
2780 } | |
2781 address jni_GetDoubleField_addr() { | |
2782 return (address)jni_GetDoubleField; | |
2783 } | |
2784 | |
2785 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
2786 JNIWrapper("SetObjectField"); | |
4006 | 2787 #ifndef USDT2 |
0 | 2788 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
4006 | 2789 #else /* USDT2 */ |
2790 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
2791 env, obj, (uintptr_t) fieldID, value); | |
2792 #endif /* USDT2 */ | |
0 | 2793 oop o = JNIHandles::resolve_non_null(obj); |
2794 klassOop k = o->klass(); | |
2795 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
2796 // Keep JVMTI addition small and only check enabled flag here. | |
2797 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
2798 // and creates a ResetNoHandleMark. | |
2799 if (JvmtiExport::should_post_field_modification()) { | |
2800 jvalue field_value; | |
2801 field_value.l = value; | |
2802 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
2803 } | |
2804 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
4006 | 2805 #ifndef USDT2 |
0 | 2806 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
4006 | 2807 #else /* USDT2 */ |
2808 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
2809 ); | |
2810 #endif /* USDT2 */ | |
0 | 2811 JNI_END |
2812 | |
4006 | 2813 #ifndef USDT2 |
0 | 2814 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
2815 \ | |
2816 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2817 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2818 \ | |
2819 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, Set##Result##Field__entry, \ | |
2820 ( JNIEnv*, jobject, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
2821 HS_DTRACE_PROBE_N(hotspot_jni, Set##Result##Field__entry, \ | |
2822 ( env, obj, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
2823 \ | |
2824 oop o = JNIHandles::resolve_non_null(obj); \ | |
2825 klassOop k = o->klass(); \ | |
2826 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2827 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2828 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2829 /* and creates a ResetNoHandleMark. */ \ | |
2830 if (JvmtiExport::should_post_field_modification()) { \ | |
2831 jvalue field_value; \ | |
2832 field_value.unionType = value; \ | |
2833 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2834 } \ | |
2835 o->Fieldname##_field_put(offset, value); \ | |
2836 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
2837 JNI_END | |
2838 | |
2839 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
2840 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
2841 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
2842 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
2843 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
2844 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
2845 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
2846 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
2847 | |
4006 | 2848 #else /* USDT2 */ |
2849 | |
2850 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
2851 , EntryProbe, ReturnProbe) \ | |
2852 \ | |
2853 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2854 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2855 \ | |
2856 EntryProbe; \ | |
2857 \ | |
2858 oop o = JNIHandles::resolve_non_null(obj); \ | |
2859 klassOop k = o->klass(); \ | |
2860 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2861 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2862 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2863 /* and creates a ResetNoHandleMark. */ \ | |
2864 if (JvmtiExport::should_post_field_modification()) { \ | |
2865 jvalue field_value; \ | |
2866 field_value.unionType = value; \ | |
2867 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2868 } \ | |
2869 o->Fieldname##_field_put(offset, value); \ | |
2870 ReturnProbe; \ | |
2871 JNI_END | |
2872 | |
2873 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
2874 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2875 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
2876 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
2877 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2878 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
2879 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
2880 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2881 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
2882 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
2883 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2884 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
2885 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
2886 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2887 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
2888 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
2889 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2890 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
2891 // Float and double probes don't return value because dtrace doesn't currently support it | |
2892 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
2893 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2894 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
2895 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
2896 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2897 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
2898 #endif /* USDT2 */ | |
2899 | |
2900 #ifndef USDT2 | |
0 | 2901 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
4006 | 2902 #else /* USDT2 */ |
2903 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
2904 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
2905 #endif /* USDT2 */ | |
0 | 2906 |
2907 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
2908 JNIWrapper("ToReflectedField"); | |
4006 | 2909 #ifndef USDT2 |
0 | 2910 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
2911 env, cls, fieldID, isStatic); | |
4006 | 2912 #else /* USDT2 */ |
2913 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
2914 env, cls, (uintptr_t) fieldID, isStatic); | |
2915 #endif /* USDT2 */ | |
0 | 2916 jobject ret = NULL; |
2917 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
2918 | |
2919 fieldDescriptor fd; | |
2920 bool found = false; | |
2921 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls)); | |
2922 | |
2923 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
2924 | |
2925 if (isStatic) { | |
2926 // Static field. The fieldID a JNIid specifying the field holder and the offset within the klassOop. | |
2927 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
2928 assert(id->is_static_field_id(), "invalid static field id"); | |
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2929 found = id->find_local_field(&fd); |
0 | 2930 } else { |
2931 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
2932 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
2933 found = instanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); | |
2934 } | |
2935 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
2936 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
2937 ret = JNIHandles::make_local(env, reflected); | |
2938 return ret; | |
2939 JNI_END | |
2940 | |
2941 | |
2942 // | |
2943 // Accessing Static Fields | |
2944 // | |
4006 | 2945 #ifndef USDT2 |
0 | 2946 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
4006 | 2947 #else /* USDT2 */ |
2948 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
2949 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2950 #endif /* USDT2 */ | |
0 | 2951 |
2952 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
2953 const char *name, const char *sig)) | |
2954 JNIWrapper("GetStaticFieldID"); | |
4006 | 2955 #ifndef USDT2 |
0 | 2956 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
4006 | 2957 #else /* USDT2 */ |
2958 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
2959 env, clazz, (char *) name, (char *) sig); | |
2960 #endif /* USDT2 */ | |
0 | 2961 jfieldID ret = NULL; |
2962 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
2963 | |
2964 // The class should have been loaded (we have an instance of the class | |
2965 // passed in) so the field and signature should already be in the symbol | |
2966 // table. If they're not there, the field doesn't exist. | |
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|
2967 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
3582bf76420e
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|
2968 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
3582bf76420e
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|
2969 if (fieldname == NULL || signame == NULL) { |
0 | 2970 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2971 } | |
2972 KlassHandle k(THREAD, | |
2973 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
2974 // Make sure class is initialized before handing id's out to static fields | |
2975 Klass::cast(k())->initialize(CHECK_NULL); | |
2976 | |
2977 fieldDescriptor fd; | |
2978 if (!Klass::cast(k())->oop_is_instance() || | |
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|
2979 !instanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
0 | 2980 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2981 } | |
2982 | |
2983 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
2984 JNIid* id = instanceKlass::cast(fd.field_holder())->jni_id_for(fd.offset()); | |
2985 debug_only(id->set_is_static_field_id();) | |
2986 | |
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2987 debug_only(id->verify(fd.field_holder())); |
0 | 2988 |
2989 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
2990 return ret; | |
2991 JNI_END | |
2992 | |
2993 | |
2994 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
2995 JNIWrapper("GetStaticObjectField"); | |
4006 | 2996 #ifndef USDT2 |
0 | 2997 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
4006 | 2998 #else /* USDT2 */ |
2999 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
3000 env, clazz, (uintptr_t) fieldID); | |
3001 #endif /* USDT2 */ | |
0 | 3002 #ifndef JNICHECK_KERNEL |
3003 DEBUG_ONLY(klassOop param_k = jniCheck::validate_class(thread, clazz);) | |
3004 #endif // JNICHECK_KERNEL | |
3005 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
3006 assert(id->is_static_field_id(), "invalid static field id"); | |
3007 // Keep JVMTI addition small and only check enabled flag here. | |
3008 // jni_GetField_probe() assumes that is okay to create handles. | |
3009 if (JvmtiExport::should_post_field_access()) { | |
3010 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
3011 } | |
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3012 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
4006 | 3013 #ifndef USDT2 |
0 | 3014 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
4006 | 3015 #else /* USDT2 */ |
3016 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
3017 ret); | |
3018 #endif /* USDT2 */ | |
0 | 3019 return ret; |
3020 JNI_END | |
3021 | |
4006 | 3022 #ifndef USDT2 |
0 | 3023 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
3024 \ | |
3025 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
3026 \ | |
3027 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3028 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3029 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
3030 Return ret = 0;\ | |
3031 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3032 (const Return&)ret);\ | |
3033 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3034 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3035 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3036 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3037 if (JvmtiExport::should_post_field_access()) { \ | |
3038 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3039 } \ | |
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|
3040 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
0 | 3041 return ret;\ |
3042 JNI_END | |
3043 | |
3044 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
3045 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
3046 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
3047 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
3048 DEFINE_GETSTATICFIELD(jint, int, Int) | |
3049 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
3050 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
3051 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
3052 | |
4006 | 3053 #else /* USDT2 */ |
3054 | |
3055 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
3056 , EntryProbe, ReturnProbe) \ | |
3057 \ | |
3058 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
3059 , ReturnProbe); \ | |
3060 \ | |
3061 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3062 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3063 EntryProbe; \ | |
3064 Return ret = 0;\ | |
3065 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3066 (const Return&)ret);\ | |
3067 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3068 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3069 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3070 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3071 if (JvmtiExport::should_post_field_access()) { \ | |
3072 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3073 } \ | |
3074 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
3075 return ret;\ | |
3076 JNI_END | |
3077 | |
3078 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
3079 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
3080 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
3081 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
3082 DEFINE_GETSTATICFIELD(jchar, char, Char | |
3083 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
3084 DEFINE_GETSTATICFIELD(jshort, short, Short | |
3085 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
3086 DEFINE_GETSTATICFIELD(jint, int, Int | |
3087 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
3088 DEFINE_GETSTATICFIELD(jlong, long, Long | |
3089 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
3090 // Float and double probes don't return value because dtrace doesn't currently support it | |
3091 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
3092 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
3093 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
3094 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
3095 #endif /* USDT2 */ | |
0 | 3096 |
3097 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
3098 JNIWrapper("SetStaticObjectField"); | |
4006 | 3099 #ifndef USDT2 |
0 | 3100 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
4006 | 3101 #else /* USDT2 */ |
3102 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
3103 env, clazz, (uintptr_t) fieldID, value); | |
3104 #endif /* USDT2 */ | |
0 | 3105 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
3106 assert(id->is_static_field_id(), "invalid static field id"); | |
3107 // Keep JVMTI addition small and only check enabled flag here. | |
3108 // jni_SetField_probe() assumes that is okay to create handles. | |
3109 if (JvmtiExport::should_post_field_modification()) { | |
3110 jvalue field_value; | |
3111 field_value.l = value; | |
3112 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
3113 } | |
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|
3114 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
4006 | 3115 #ifndef USDT2 |
0 | 3116 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
4006 | 3117 #else /* USDT2 */ |
3118 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
3119 ); | |
3120 #endif /* USDT2 */ | |
0 | 3121 JNI_END |
3122 | |
3123 | |
4006 | 3124 #ifndef USDT2 |
0 | 3125 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
3126 \ | |
3127 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3128 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3129 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, SetStatic##Result##Field__entry,\ | |
3130 ( JNIEnv*, jclass, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
3131 HS_DTRACE_PROBE_N(hotspot_jni, SetStatic##Result##Field__entry, \ | |
3132 ( env, clazz, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
3133 \ | |
3134 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3135 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3136 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3137 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3138 if (JvmtiExport::should_post_field_modification()) { \ | |
3139 jvalue field_value; \ | |
3140 field_value.unionType = value; \ | |
3141 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3142 } \ | |
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|
3143 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
0 | 3144 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
3145 JNI_END | |
3146 | |
3147 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
3148 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
3149 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
3150 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
3151 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
3152 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
3153 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
3154 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
3155 | |
4006 | 3156 #else /* USDT2 */ |
3157 | |
3158 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
3159 , EntryProbe, ReturnProbe) \ | |
3160 \ | |
3161 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3162 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3163 EntryProbe; \ | |
3164 \ | |
3165 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3166 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3167 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3168 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3169 if (JvmtiExport::should_post_field_modification()) { \ | |
3170 jvalue field_value; \ | |
3171 field_value.unionType = value; \ | |
3172 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3173 } \ | |
3174 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
3175 ReturnProbe;\ | |
3176 JNI_END | |
3177 | |
3178 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
3179 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
3180 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
3181 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
3182 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3183 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
3184 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
3185 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3186 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
3187 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
3188 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3189 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
3190 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
3191 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3192 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
3193 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
3194 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3195 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
3196 // Float and double probes don't return value because dtrace doesn't currently support it | |
3197 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
3198 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3199 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
3200 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
3201 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3202 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
3203 #endif /* USDT2 */ | |
0 | 3204 |
3205 // | |
3206 // String Operations | |
3207 // | |
3208 | |
3209 // Unicode Interface | |
3210 | |
4006 | 3211 #ifndef USDT2 |
0 | 3212 DT_RETURN_MARK_DECL(NewString, jstring); |
4006 | 3213 #else /* USDT2 */ |
3214 DT_RETURN_MARK_DECL(NewString, jstring | |
3215 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
3216 #endif /* USDT2 */ | |
0 | 3217 |
3218 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
3219 JNIWrapper("NewString"); | |
4006 | 3220 #ifndef USDT2 |
0 | 3221 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
4006 | 3222 #else /* USDT2 */ |
3223 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
3224 env, (uint16_t *) unicodeChars, len); | |
3225 #endif /* USDT2 */ | |
0 | 3226 jstring ret = NULL; |
3227 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
3228 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
3229 ret = (jstring) JNIHandles::make_local(env, string); | |
3230 return ret; | |
3231 JNI_END | |
3232 | |
3233 | |
3234 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
3235 JNIWrapper("GetStringLength"); | |
4006 | 3236 #ifndef USDT2 |
0 | 3237 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
4006 | 3238 #else /* USDT2 */ |
3239 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
3240 env, string); | |
3241 #endif /* USDT2 */ | |
0 | 3242 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
4006 | 3243 #ifndef USDT2 |
0 | 3244 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
4006 | 3245 #else /* USDT2 */ |
3246 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
3247 ret); | |
3248 #endif /* USDT2 */ | |
0 | 3249 return ret; |
3250 JNI_END | |
3251 | |
3252 | |
3253 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
3254 JNIEnv *env, jstring string, jboolean *isCopy)) | |
3255 JNIWrapper("GetStringChars"); | |
4006 | 3256 #ifndef USDT2 |
0 | 3257 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
4006 | 3258 #else /* USDT2 */ |
3259 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
3260 env, string, (uintptr_t *) isCopy); | |
3261 #endif /* USDT2 */ | |
0 | 3262 //%note jni_5 |
3263 if (isCopy != NULL) { | |
3264 *isCopy = JNI_TRUE; | |
3265 } | |
3266 oop s = JNIHandles::resolve_non_null(string); | |
3267 int s_len = java_lang_String::length(s); | |
3268 typeArrayOop s_value = java_lang_String::value(s); | |
3269 int s_offset = java_lang_String::offset(s); | |
3270 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1); // add one for zero termination | |
3271 if (s_len > 0) { | |
3272 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
3273 } | |
3274 buf[s_len] = 0; | |
4006 | 3275 #ifndef USDT2 |
0 | 3276 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
4006 | 3277 #else /* USDT2 */ |
3278 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
3279 buf); | |
3280 #endif /* USDT2 */ | |
0 | 3281 return buf; |
3282 JNI_END | |
3283 | |
3284 | |
3285 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
3286 JNIWrapper("ReleaseStringChars"); | |
4006 | 3287 #ifndef USDT2 |
0 | 3288 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
4006 | 3289 #else /* USDT2 */ |
3290 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
3291 env, str, (uint16_t *) chars); | |
3292 #endif /* USDT2 */ | |
0 | 3293 //%note jni_6 |
3294 if (chars != NULL) { | |
3295 // Since String objects are supposed to be immutable, don't copy any | |
3296 // new data back. A bad user will have to go after the char array. | |
3297 FreeHeap((void*) chars); | |
3298 } | |
4006 | 3299 #ifndef USDT2 |
0 | 3300 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
4006 | 3301 #else /* USDT2 */ |
3302 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
3303 ); | |
3304 #endif /* USDT2 */ | |
0 | 3305 JNI_END |
3306 | |
3307 | |
3308 // UTF Interface | |
3309 | |
4006 | 3310 #ifndef USDT2 |
0 | 3311 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
4006 | 3312 #else /* USDT2 */ |
3313 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
3314 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
3315 #endif /* USDT2 */ | |
0 | 3316 |
3317 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
3318 JNIWrapper("NewStringUTF"); | |
4006 | 3319 #ifndef USDT2 |
0 | 3320 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
4006 | 3321 #else /* USDT2 */ |
3322 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
3323 env, (char *) bytes); | |
3324 #endif /* USDT2 */ | |
0 | 3325 jstring ret; |
3326 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
3327 | |
3328 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
3329 ret = (jstring) JNIHandles::make_local(env, result); | |
3330 return ret; | |
3331 JNI_END | |
3332 | |
3333 | |
3334 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
3335 JNIWrapper("GetStringUTFLength"); | |
4006 | 3336 #ifndef USDT2 |
0 | 3337 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
4006 | 3338 #else /* USDT2 */ |
3339 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
3340 env, string); | |
3341 #endif /* USDT2 */ | |
0 | 3342 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
4006 | 3343 #ifndef USDT2 |
0 | 3344 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
4006 | 3345 #else /* USDT2 */ |
3346 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
3347 ret); | |
3348 #endif /* USDT2 */ | |
0 | 3349 return ret; |
3350 JNI_END | |
3351 | |
3352 | |
3353 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
3354 JNIWrapper("GetStringUTFChars"); | |
4006 | 3355 #ifndef USDT2 |
0 | 3356 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
4006 | 3357 #else /* USDT2 */ |
3358 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
3359 env, string, (uintptr_t *) isCopy); | |
3360 #endif /* USDT2 */ | |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3361 oop java_string = JNIHandles::resolve_non_null(string); |
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3362 size_t length = java_lang_String::utf8_length(java_string); |
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3363 char* result = AllocateHeap(length + 1, "GetStringUTFChars"); |
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3364 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
0 | 3365 if (isCopy != NULL) *isCopy = JNI_TRUE; |
4006 | 3366 #ifndef USDT2 |
0 | 3367 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
4006 | 3368 #else /* USDT2 */ |
3369 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
3370 result); | |
3371 #endif /* USDT2 */ | |
0 | 3372 return result; |
3373 JNI_END | |
3374 | |
3375 | |
3376 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
3377 JNIWrapper("ReleaseStringUTFChars"); | |
4006 | 3378 #ifndef USDT2 |
0 | 3379 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
4006 | 3380 #else /* USDT2 */ |
3381 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
3382 env, str, (char *) chars); | |
3383 #endif /* USDT2 */ | |
0 | 3384 if (chars != NULL) { |
3385 FreeHeap((char*) chars); | |
3386 } | |
4006 | 3387 #ifndef USDT2 |
0 | 3388 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
4006 | 3389 #else /* USDT2 */ |
3390 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
3391 ); | |
3392 #endif /* USDT2 */ | |
0 | 3393 JNI_END |
3394 | |
3395 | |
3396 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
3397 JNIWrapper("GetArrayLength"); | |
4006 | 3398 #ifndef USDT2 |
0 | 3399 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
4006 | 3400 #else /* USDT2 */ |
3401 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
3402 env, array); | |
3403 #endif /* USDT2 */ | |
0 | 3404 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
3405 assert(a->is_array(), "must be array"); | |
3406 jsize ret = a->length(); | |
4006 | 3407 #ifndef USDT2 |
0 | 3408 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
4006 | 3409 #else /* USDT2 */ |
3410 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
3411 ret); | |
3412 #endif /* USDT2 */ | |
0 | 3413 return ret; |
3414 JNI_END | |
3415 | |
3416 | |
3417 // | |
3418 // Object Array Operations | |
3419 // | |
3420 | |
4006 | 3421 #ifndef USDT2 |
0 | 3422 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
4006 | 3423 #else /* USDT2 */ |
3424 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
3425 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
3426 #endif /* USDT2 */ | |
0 | 3427 |
3428 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
3429 JNIWrapper("NewObjectArray"); | |
4006 | 3430 #ifndef USDT2 |
0 | 3431 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
4006 | 3432 #else /* USDT2 */ |
3433 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
3434 env, length, elementClass, initialElement); | |
3435 #endif /* USDT2 */ | |
0 | 3436 jobjectArray ret = NULL; |
3437 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
3438 KlassHandle ek(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(elementClass))); | |
3439 klassOop ako = Klass::cast(ek())->array_klass(CHECK_NULL); | |
3440 KlassHandle ak = KlassHandle(THREAD, ako); | |
3441 objArrayKlass::cast(ak())->initialize(CHECK_NULL); | |
3442 objArrayOop result = objArrayKlass::cast(ak())->allocate(length, CHECK_NULL); | |
3443 oop initial_value = JNIHandles::resolve(initialElement); | |
3444 if (initial_value != NULL) { // array already initialized with NULL | |
3445 for (int index = 0; index < length; index++) { | |
3446 result->obj_at_put(index, initial_value); | |
3447 } | |
3448 } | |
3449 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
3450 return ret; | |
3451 JNI_END | |
3452 | |
4006 | 3453 #ifndef USDT2 |
0 | 3454 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
4006 | 3455 #else /* USDT2 */ |
3456 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
3457 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
3458 #endif /* USDT2 */ | |
0 | 3459 |
3460 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
3461 JNIWrapper("GetObjectArrayElement"); | |
4006 | 3462 #ifndef USDT2 |
0 | 3463 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
4006 | 3464 #else /* USDT2 */ |
3465 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
3466 env, array, index); | |
3467 #endif /* USDT2 */ | |
0 | 3468 jobject ret = NULL; |
3469 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
3470 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3471 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
|
3472 ret = JNIHandles::make_local(env, a->obj_at(index)); |
0 | 3473 return ret; |
3474 } else { | |
3475 char buf[jintAsStringSize]; | |
3476 sprintf(buf, "%d", index); | |
3477 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3478 } | |
3479 JNI_END | |
3480 | |
4006 | 3481 #ifndef USDT2 |
0 | 3482 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
4006 | 3483 #else /* USDT2 */ |
3484 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
3485 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
3486 #endif /* USDT2 */ | |
0 | 3487 |
3488 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
3489 JNIWrapper("SetObjectArrayElement"); | |
4006 | 3490 #ifndef USDT2 |
0 | 3491 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
4006 | 3492 #else /* USDT2 */ |
3493 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
3494 env, array, index, value); | |
3495 #endif /* USDT2 */ | |
0 | 3496 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
3497 | |
3498 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3499 oop v = JNIHandles::resolve(value); | |
3500 if (a->is_within_bounds(index)) { | |
3501 if (v == NULL || v->is_a(objArrayKlass::cast(a->klass())->element_klass())) { | |
3502 a->obj_at_put(index, v); | |
3503 } else { | |
3504 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
3505 } | |
3506 } else { | |
3507 char buf[jintAsStringSize]; | |
3508 sprintf(buf, "%d", index); | |
3509 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3510 } | |
3511 JNI_END | |
3512 | |
3513 | |
4006 | 3514 #ifndef USDT2 |
0 | 3515 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
3516 \ | |
4006 | 3517 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
0 | 3518 \ |
3519 JNI_ENTRY(Return, \ | |
3520 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3521 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3522 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
3523 Return ret = NULL;\ | |
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3524 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
0 | 3525 \ |
3526 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3527 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3528 return ret;\ | |
3529 JNI_END | |
3530 | |
3531 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
3532 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
3533 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
3534 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
3535 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
3536 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
3537 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
3538 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
3539 | |
4006 | 3540 #else /* USDT2 */ |
3541 | |
3542 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
3543 ,EntryProbe,ReturnProbe) \ | |
3544 \ | |
3545 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
3546 , ReturnProbe); \ | |
3547 \ | |
3548 JNI_ENTRY(Return, \ | |
3549 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3550 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3551 EntryProbe; \ | |
3552 Return ret = NULL;\ | |
3553 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
3554 \ | |
3555 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3556 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3557 return ret;\ | |
3558 JNI_END | |
3559 | |
3560 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
3561 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
3562 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
3563 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
3564 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
3565 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
3566 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
3567 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
3568 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
3569 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
3570 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
3571 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
3572 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
3573 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
3574 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
3575 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
3576 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
3577 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
3578 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
3579 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
3580 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
3581 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
3582 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
3583 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
3584 #endif /* USDT2 */ | |
0 | 3585 |
3586 // Return an address which will fault if the caller writes to it. | |
3587 | |
3588 static char* get_bad_address() { | |
3589 static char* bad_address = NULL; | |
3590 if (bad_address == NULL) { | |
3591 size_t size = os::vm_allocation_granularity(); | |
3592 bad_address = os::reserve_memory(size); | |
3593 if (bad_address != NULL) { | |
477
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
237
diff
changeset
|
3594 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
|
3595 /*is_committed*/false); |
0 | 3596 } |
3597 } | |
3598 return bad_address; | |
3599 } | |
3600 | |
3601 | |
4006 | 3602 #ifndef USDT2 |
0 | 3603 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
3604 \ | |
3605 JNI_QUICK_ENTRY(ElementType*, \ | |
3606 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3607 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3608 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
3609 /* allocate an chunk of memory in c land */ \ | |
3610 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3611 ElementType* result; \ | |
3612 int len = a->length(); \ | |
3613 if (len == 0) { \ | |
3614 /* Empty array: legal but useless, can't return NULL. \ | |
3615 * Return a pointer to something useless. \ | |
3616 * Avoid asserts in typeArrayOop. */ \ | |
3617 result = (ElementType*)get_bad_address(); \ | |
3618 } else { \ | |
3619 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
3620 /* copy the array to the c chunk */ \ | |
3621 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3622 } \ | |
3623 if (isCopy) *isCopy = JNI_TRUE; \ | |
3624 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
3625 return result; \ | |
3626 JNI_END | |
3627 | |
3628 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3629 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3630 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3631 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3632 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3633 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3634 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3635 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3636 | |
4006 | 3637 #else /* USDT2 */ |
3638 | |
3639 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
3640 , EntryProbe, ReturnProbe) \ | |
3641 \ | |
3642 JNI_QUICK_ENTRY(ElementType*, \ | |
3643 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3644 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3645 EntryProbe; \ | |
3646 /* allocate an chunk of memory in c land */ \ | |
3647 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3648 ElementType* result; \ | |
3649 int len = a->length(); \ | |
3650 if (len == 0) { \ | |
3651 /* Empty array: legal but useless, can't return NULL. \ | |
3652 * Return a pointer to something useless. \ | |
3653 * Avoid asserts in typeArrayOop. */ \ | |
3654 result = (ElementType*)get_bad_address(); \ | |
3655 } else { \ | |
3656 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
3657 /* copy the array to the c chunk */ \ | |
3658 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3659 } \ | |
3660 if (isCopy) *isCopy = JNI_TRUE; \ | |
3661 ReturnProbe; \ | |
3662 return result; \ | |
3663 JNI_END | |
3664 | |
3665 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3666 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3667 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
3668 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3669 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3670 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
3671 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3672 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3673 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
3674 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3675 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3676 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
3677 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3678 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3679 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
3680 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3681 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3682 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
3683 // Float and double probes don't return value because dtrace doesn't currently support it | |
3684 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3685 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3686 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
3687 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3688 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3689 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
3690 #endif /* USDT2 */ | |
3691 | |
3692 #ifndef USDT2 | |
0 | 3693 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
3694 \ | |
3695 JNI_QUICK_ENTRY(void, \ | |
3696 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3697 ElementType *buf, jint mode)) \ | |
3698 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3699 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
3700 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3701 int len = a->length(); \ | |
3702 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3703 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3704 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3705 } \ | |
3706 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3707 FreeHeap(buf); \ | |
3708 } \ | |
3709 } \ | |
3710 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
3711 JNI_END | |
3712 | |
3713 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3714 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3721 | |
4006 | 3722 #else /* USDT2 */ |
3723 | |
3724 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
3725 , EntryProbe, ReturnProbe);\ | |
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 EntryProbe; \ | |
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 ReturnProbe; \ | |
3743 JNI_END | |
3744 | |
3745 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3746 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3747 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
3748 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3749 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
3750 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
3751 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3752 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3753 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
3754 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3755 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3756 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
3757 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3758 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
3759 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
3760 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3761 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3762 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
3763 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3764 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
3765 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
3766 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3767 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
3768 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
3769 #endif /* USDT2 */ | |
3770 | |
3771 #ifndef USDT2 | |
0 | 3772 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3773 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
3774 \ | |
3775 JNI_ENTRY(void, \ | |
3776 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3777 jsize len, ElementType *buf)) \ | |
3778 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3779 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3780 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3781 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3782 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3783 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3784 } else { \ | |
3785 if (len > 0) { \ | |
3786 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
3787 memcpy((u_char*) buf, \ | |
3788 (u_char*) src->Tag##_at_addr(start), \ | |
3789 len << sc); \ | |
3790 } \ | |
3791 } \ | |
3792 JNI_END | |
3793 | |
3794 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
3795 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3796 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3797 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3798 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3799 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3800 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3801 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3802 | |
4006 | 3803 #else /* USDT2 */ |
3804 | |
3805 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3806 , EntryProbe, ReturnProbe); \ | |
3807 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
3808 , ReturnProbe); \ | |
3809 \ | |
3810 JNI_ENTRY(void, \ | |
3811 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3812 jsize len, ElementType *buf)) \ | |
3813 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3814 EntryProbe; \ | |
3815 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3816 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3817 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3818 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3819 } else { \ | |
3820 if (len > 0) { \ | |
3821 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
3822 memcpy((u_char*) buf, \ | |
3823 (u_char*) src->Tag##_at_addr(start), \ | |
3824 len << sc); \ | |
3825 } \ | |
3826 } \ | |
3827 JNI_END | |
3828 | |
3829 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
3830 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3831 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
3832 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3833 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3834 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
3835 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3836 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3837 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
3838 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3839 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
3840 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
3841 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
3842 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
3843 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
3844 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3845 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3846 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
3847 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3848 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3849 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
3850 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3851 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3852 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
3853 #endif /* USDT2 */ | |
3854 | |
3855 #ifndef USDT2 | |
0 | 3856 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3857 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
3858 \ | |
3859 JNI_ENTRY(void, \ | |
3860 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3861 jsize len, const ElementType *buf)) \ | |
3862 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3863 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3864 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3865 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3866 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3867 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3868 } else { \ | |
3869 if (len > 0) { \ | |
3870 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
3871 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
3872 (u_char*) buf, \ | |
3873 len << sc); \ | |
3874 } \ | |
3875 } \ | |
3876 JNI_END | |
3877 | |
3878 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
3879 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3880 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3881 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3882 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3883 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3884 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3885 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3886 | |
4006 | 3887 #else /* USDT2 */ |
3888 | |
3889 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3890 , EntryProbe, ReturnProbe); \ | |
3891 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
3892 ,ReturnProbe); \ | |
3893 \ | |
3894 JNI_ENTRY(void, \ | |
3895 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3896 jsize len, const ElementType *buf)) \ | |
3897 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3898 EntryProbe; \ | |
3899 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3900 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3901 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3902 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3903 } else { \ | |
3904 if (len > 0) { \ | |
3905 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
3906 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
3907 (u_char*) buf, \ | |
3908 len << sc); \ | |
3909 } \ | |
3910 } \ | |
3911 JNI_END | |
3912 | |
3913 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
3914 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
3915 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
3916 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3917 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3918 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
3919 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3920 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3921 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
3922 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3923 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3924 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
3925 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
3926 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
3927 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
3928 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3929 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3930 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
3931 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3932 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3933 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
3934 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3935 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3936 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
3937 #endif /* USDT2 */ | |
3938 | |
0 | 3939 |
3940 // | |
3941 // Interception of natives | |
3942 // | |
3943 | |
3944 // The RegisterNatives call being attempted tried to register with a method that | |
3945 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
3946 // to see if the native method is now wrapped with the prefixes. See the | |
3947 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
3948 static methodOop find_prefixed_native(KlassHandle k, | |
2177
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parents:
1989
diff
changeset
|
3949 Symbol* name, Symbol* signature, TRAPS) { |
0 | 3950 ResourceMark rm(THREAD); |
3951 methodOop method; | |
3952 int name_len = name->utf8_length(); | |
3953 char* name_str = name->as_utf8(); | |
3954 int prefix_count; | |
3955 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
3956 for (int i = 0; i < prefix_count; i++) { | |
3957 char* prefix = prefixes[i]; | |
3958 int prefix_len = (int)strlen(prefix); | |
3959 | |
3960 // try adding this prefix to the method name and see if it matches another method name | |
3961 int trial_len = name_len + prefix_len; | |
3962 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
3963 strcpy(trial_name_str, prefix); | |
3964 strcat(trial_name_str, name_str); | |
2177
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parents:
1989
diff
changeset
|
3965 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
3582bf76420e
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parents:
1989
diff
changeset
|
3966 if (trial_name == NULL) { |
0 | 3967 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
3968 } | |
2177
3582bf76420e
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parents:
1989
diff
changeset
|
3969 method = Klass::cast(k())->lookup_method(trial_name, signature); |
0 | 3970 if (method == NULL) { |
3971 continue; // signature doesn't match, try the next prefix | |
3972 } | |
3973 if (method->is_native()) { | |
3974 method->set_is_prefixed_native(); | |
3975 return method; // wahoo, we found a prefixed version of the method, return it | |
3976 } | |
3977 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
3978 name_len = trial_len; | |
3979 name_str = trial_name_str; | |
3980 } | |
3981 return NULL; // not found | |
3982 } | |
3983 | |
2177
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parents:
1989
diff
changeset
|
3984 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3985 methodOop method = Klass::cast(k())->lookup_method(name, signature); |
0 | 3986 if (method == NULL) { |
3987 ResourceMark rm; | |
3988 stringStream st; | |
3989 st.print("Method %s name or signature does not match", | |
2177
3582bf76420e
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parents:
1989
diff
changeset
|
3990 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
0 | 3991 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
3992 } | |
3993 if (!method->is_native()) { | |
3994 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
3995 method = find_prefixed_native(k, name, signature, THREAD); | |
3996 if (method == NULL) { | |
3997 ResourceMark rm; | |
3998 stringStream st; | |
3999 st.print("Method %s is not declared as native", | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4000 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
0 | 4001 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
4002 } | |
4003 } | |
4004 | |
4005 if (entry != NULL) { | |
4006 method->set_native_function(entry, | |
4007 methodOopDesc::native_bind_event_is_interesting); | |
4008 } else { | |
4009 method->clear_native_function(); | |
4010 } | |
4011 if (PrintJNIResolving) { | |
4012 ResourceMark rm(THREAD); | |
4013 tty->print_cr("[Registering JNI native method %s.%s]", | |
4014 Klass::cast(method->method_holder())->external_name(), | |
4015 method->name()->as_C_string()); | |
4016 } | |
4017 return true; | |
4018 } | |
4019 | |
4006 | 4020 #ifndef USDT2 |
0 | 4021 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
4006 | 4022 #else /* USDT2 */ |
4023 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
4024 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
4025 #endif /* USDT2 */ | |
0 | 4026 |
4027 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
4028 const JNINativeMethod *methods, | |
4029 jint nMethods)) | |
4030 JNIWrapper("RegisterNatives"); | |
4006 | 4031 #ifndef USDT2 |
0 | 4032 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
4006 | 4033 #else /* USDT2 */ |
4034 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
4035 env, clazz, (void *) methods, nMethods); | |
4036 #endif /* USDT2 */ | |
0 | 4037 jint ret = 0; |
4038 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
4039 | |
4040 KlassHandle h_k(thread, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
4041 | |
4042 for (int index = 0; index < nMethods; index++) { | |
4043 const char* meth_name = methods[index].name; | |
4044 const char* meth_sig = methods[index].signature; | |
4045 int meth_name_len = (int)strlen(meth_name); | |
4046 | |
4047 // The class should have been loaded (we have an instance of the class | |
4048 // passed in) so the method and signature should already be in the symbol | |
4049 // table. If they're not there, the method doesn't exist. | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4050 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4051 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4052 |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4053 if (name == NULL || signature == NULL) { |
0 | 4054 ResourceMark rm; |
4055 stringStream st; | |
4056 st.print("Method %s.%s%s not found", Klass::cast(h_k())->external_name(), meth_name, meth_sig); | |
4057 // Must return negative value on failure | |
4058 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
4059 } | |
4060 | |
4061 bool res = register_native(h_k, name, signature, | |
4062 (address) methods[index].fnPtr, THREAD); | |
4063 if (!res) { | |
4064 ret = -1; | |
4065 break; | |
4066 } | |
4067 } | |
4068 return ret; | |
4069 JNI_END | |
4070 | |
4071 | |
4072 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
4073 JNIWrapper("UnregisterNatives"); | |
4006 | 4074 #ifndef USDT2 |
0 | 4075 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
4006 | 4076 #else /* USDT2 */ |
4077 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
4078 env, clazz); | |
4079 #endif /* USDT2 */ | |
0 | 4080 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz)); |
4081 //%note jni_2 | |
4082 if (Klass::cast(k)->oop_is_instance()) { | |
4083 for (int index = 0; index < instanceKlass::cast(k)->methods()->length(); index++) { | |
4084 methodOop m = methodOop(instanceKlass::cast(k)->methods()->obj_at(index)); | |
4085 if (m->is_native()) { | |
4086 m->clear_native_function(); | |
4087 m->set_signature_handler(NULL); | |
4088 } | |
4089 } | |
4090 } | |
4006 | 4091 #ifndef USDT2 |
0 | 4092 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
4006 | 4093 #else /* USDT2 */ |
4094 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
4095 0); | |
4096 #endif /* USDT2 */ | |
0 | 4097 return 0; |
4098 JNI_END | |
4099 | |
4100 // | |
4101 // Monitor functions | |
4102 // | |
4103 | |
4006 | 4104 #ifndef USDT2 |
0 | 4105 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
4006 | 4106 #else /* USDT2 */ |
4107 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
4108 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
4109 #endif /* USDT2 */ | |
0 | 4110 |
4111 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
4006 | 4112 #ifndef USDT2 |
0 | 4113 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
4006 | 4114 #else /* USDT2 */ |
4115 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
4116 env, jobj); | |
4117 #endif /* USDT2 */ | |
0 | 4118 jint ret = JNI_ERR; |
4119 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
4120 | |
4121 // If the object is null, we can't do anything with it | |
4122 if (jobj == NULL) { | |
4123 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4124 } | |
4125 | |
4126 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
4127 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
4128 ret = JNI_OK; | |
4129 return ret; | |
4130 JNI_END | |
4131 | |
4006 | 4132 #ifndef USDT2 |
0 | 4133 DT_RETURN_MARK_DECL(MonitorExit, jint); |
4006 | 4134 #else /* USDT2 */ |
4135 DT_RETURN_MARK_DECL(MonitorExit, jint | |
4136 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
4137 #endif /* USDT2 */ | |
0 | 4138 |
4139 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
4006 | 4140 #ifndef USDT2 |
0 | 4141 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
4006 | 4142 #else /* USDT2 */ |
4143 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
4144 env, jobj); | |
4145 #endif /* USDT2 */ | |
0 | 4146 jint ret = JNI_ERR; |
4147 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
4148 | |
4149 // Don't do anything with a null object | |
4150 if (jobj == NULL) { | |
4151 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4152 } | |
4153 | |
4154 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
4155 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
4156 | |
4157 ret = JNI_OK; | |
4158 return ret; | |
4159 JNI_END | |
4160 | |
4161 // | |
4162 // Extensions | |
4163 // | |
4164 | |
4006 | 4165 #ifndef USDT2 |
0 | 4166 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
4006 | 4167 #else /* USDT2 */ |
4168 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
4169 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
4170 #endif /* USDT2 */ | |
0 | 4171 |
4172 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
4173 JNIWrapper("GetStringRegion"); | |
4006 | 4174 #ifndef USDT2 |
0 | 4175 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
4006 | 4176 #else /* USDT2 */ |
4177 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
4178 env, string, start, len, buf); | |
4179 #endif /* USDT2 */ | |
0 | 4180 DT_VOID_RETURN_MARK(GetStringRegion); |
4181 oop s = JNIHandles::resolve_non_null(string); | |
4182 int s_len = java_lang_String::length(s); | |
4183 if (start < 0 || len < 0 || start + len > s_len) { | |
4184 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4185 } else { | |
4186 if (len > 0) { | |
4187 int s_offset = java_lang_String::offset(s); | |
4188 typeArrayOop s_value = java_lang_String::value(s); | |
4189 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
4190 } | |
4191 } | |
4192 JNI_END | |
4193 | |
4006 | 4194 #ifndef USDT2 |
0 | 4195 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
4006 | 4196 #else /* USDT2 */ |
4197 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
4198 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
4199 #endif /* USDT2 */ | |
0 | 4200 |
4201 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
4202 JNIWrapper("GetStringUTFRegion"); | |
4006 | 4203 #ifndef USDT2 |
0 | 4204 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
4006 | 4205 #else /* USDT2 */ |
4206 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
4207 env, string, start, len, buf); | |
4208 #endif /* USDT2 */ | |
0 | 4209 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
4210 oop s = JNIHandles::resolve_non_null(string); | |
4211 int s_len = java_lang_String::length(s); | |
4212 if (start < 0 || len < 0 || start + len > s_len) { | |
4213 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4214 } else { | |
4215 //%note jni_7 | |
4216 if (len > 0) { | |
4217 ResourceMark rm(THREAD); | |
4218 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
4219 int utf_len = (int)strlen(utf_region); | |
4220 memcpy(buf, utf_region, utf_len); | |
4221 buf[utf_len] = 0; | |
4222 } else { | |
4223 // JDK null-terminates the buffer even in len is zero | |
4224 if (buf != NULL) { | |
4225 buf[0] = 0; | |
4226 } | |
4227 } | |
4228 } | |
4229 JNI_END | |
4230 | |
4231 | |
4232 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
4233 JNIWrapper("GetPrimitiveArrayCritical"); | |
4006 | 4234 #ifndef USDT2 |
0 | 4235 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
4006 | 4236 #else /* USDT2 */ |
4237 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
4238 env, array, (uintptr_t *) isCopy); | |
4239 #endif /* USDT2 */ | |
0 | 4240 GC_locker::lock_critical(thread); |
4241 if (isCopy != NULL) { | |
4242 *isCopy = JNI_FALSE; | |
4243 } | |
4244 oop a = JNIHandles::resolve_non_null(array); | |
4245 assert(a->is_array(), "just checking"); | |
4246 BasicType type; | |
4247 if (a->is_objArray()) { | |
4248 type = T_OBJECT; | |
4249 } else { | |
4250 type = typeArrayKlass::cast(a->klass())->element_type(); | |
4251 } | |
4252 void* ret = arrayOop(a)->base(type); | |
4006 | 4253 #ifndef USDT2 |
0 | 4254 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
4006 | 4255 #else /* USDT2 */ |
4256 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
4257 ret); | |
4258 #endif /* USDT2 */ | |
0 | 4259 return ret; |
4260 JNI_END | |
4261 | |
4262 | |
4263 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
4264 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
4006 | 4265 #ifndef USDT2 |
0 | 4266 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
4006 | 4267 #else /* USDT2 */ |
4268 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
4269 env, array, carray, mode); | |
4270 #endif /* USDT2 */ | |
0 | 4271 // The array, carray and mode arguments are ignored |
4272 GC_locker::unlock_critical(thread); | |
4006 | 4273 #ifndef USDT2 |
0 | 4274 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
4006 | 4275 #else /* USDT2 */ |
4276 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
4277 ); | |
4278 #endif /* USDT2 */ | |
0 | 4279 JNI_END |
4280 | |
4281 | |
4282 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
4283 JNIWrapper("GetStringCritical"); | |
4006 | 4284 #ifndef USDT2 |
0 | 4285 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
4006 | 4286 #else /* USDT2 */ |
4287 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
4288 env, string, (uintptr_t *) isCopy); | |
4289 #endif /* USDT2 */ | |
0 | 4290 GC_locker::lock_critical(thread); |
4291 if (isCopy != NULL) { | |
4292 *isCopy = JNI_FALSE; | |
4293 } | |
4294 oop s = JNIHandles::resolve_non_null(string); | |
4295 int s_len = java_lang_String::length(s); | |
4296 typeArrayOop s_value = java_lang_String::value(s); | |
4297 int s_offset = java_lang_String::offset(s); | |
4298 const jchar* ret; | |
4299 if (s_len > 0) { | |
4300 ret = s_value->char_at_addr(s_offset); | |
4301 } else { | |
4302 ret = (jchar*) s_value->base(T_CHAR); | |
4303 } | |
4006 | 4304 #ifndef USDT2 |
0 | 4305 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
4006 | 4306 #else /* USDT2 */ |
4307 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
4308 (uint16_t *) ret); | |
4309 #endif /* USDT2 */ | |
0 | 4310 return ret; |
4311 JNI_END | |
4312 | |
4313 | |
4314 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
4315 JNIWrapper("ReleaseStringCritical"); | |
4006 | 4316 #ifndef USDT2 |
0 | 4317 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
4006 | 4318 #else /* USDT2 */ |
4319 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
4320 env, str, (uint16_t *) chars); | |
4321 #endif /* USDT2 */ | |
0 | 4322 // The str and chars arguments are ignored |
4323 GC_locker::unlock_critical(thread); | |
4006 | 4324 #ifndef USDT2 |
0 | 4325 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
4006 | 4326 #else /* USDT2 */ |
4327 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
4328 ); | |
4329 #endif /* USDT2 */ | |
0 | 4330 JNI_END |
4331 | |
4332 | |
4333 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
4334 JNIWrapper("jni_NewWeakGlobalRef"); | |
4006 | 4335 #ifndef USDT2 |
0 | 4336 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
4006 | 4337 #else /* USDT2 */ |
4338 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
4339 env, ref); | |
4340 #endif /* USDT2 */ | |
0 | 4341 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
4342 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
4006 | 4343 #ifndef USDT2 |
0 | 4344 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
4006 | 4345 #else /* USDT2 */ |
4346 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
4347 ret); | |
4348 #endif /* USDT2 */ | |
0 | 4349 return ret; |
4350 JNI_END | |
4351 | |
4352 // Must be JNI_ENTRY (with HandleMark) | |
4353 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
4354 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
4006 | 4355 #ifndef USDT2 |
0 | 4356 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
4006 | 4357 #else /* USDT2 */ |
4358 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
4359 env, ref); | |
4360 #endif /* USDT2 */ | |
0 | 4361 JNIHandles::destroy_weak_global(ref); |
4006 | 4362 #ifndef USDT2 |
0 | 4363 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
4006 | 4364 #else /* USDT2 */ |
4365 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
4366 ); | |
4367 #endif /* USDT2 */ | |
0 | 4368 JNI_END |
4369 | |
4370 | |
4371 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
4372 JNIWrapper("jni_ExceptionCheck"); | |
4006 | 4373 #ifndef USDT2 |
0 | 4374 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
4006 | 4375 #else /* USDT2 */ |
4376 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
4377 env); | |
4378 #endif /* USDT2 */ | |
0 | 4379 jni_check_async_exceptions(thread); |
4380 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
4006 | 4381 #ifndef USDT2 |
0 | 4382 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
4006 | 4383 #else /* USDT2 */ |
4384 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
4385 ret); | |
4386 #endif /* USDT2 */ | |
0 | 4387 return ret; |
4388 JNI_END | |
4389 | |
4390 | |
4391 // Initialization state for three routines below relating to | |
4392 // java.nio.DirectBuffers | |
4393 static jint directBufferSupportInitializeStarted = 0; | |
4394 static volatile jint directBufferSupportInitializeEnded = 0; | |
4395 static volatile jint directBufferSupportInitializeFailed = 0; | |
4396 static jclass bufferClass = NULL; | |
4397 static jclass directBufferClass = NULL; | |
4398 static jclass directByteBufferClass = NULL; | |
4399 static jmethodID directByteBufferConstructor = NULL; | |
4400 static jfieldID directBufferAddressField = NULL; | |
4401 static jfieldID bufferCapacityField = NULL; | |
4402 | |
4403 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
4404 Handle loader; // null (bootstrap) loader | |
4405 Handle protection_domain; // null protection domain | |
4406 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4407 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4408 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4409 |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4410 if (TraceClassResolution && result != NULL) { |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4411 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4412 } |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4413 return result; |
0 | 4414 } |
4415 | |
4416 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
4417 // circumvent any security checks that would be done by jni_FindClass. | |
4418 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
4419 { | |
4420 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
4421 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
4422 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
4423 return true; | |
4424 } | |
4425 JNI_END | |
4426 | |
4427 | |
4428 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
4429 if (directBufferSupportInitializeFailed) { | |
4430 return false; | |
4431 } | |
4432 | |
4433 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
4434 if (!lookupDirectBufferClasses(env)) { | |
4435 directBufferSupportInitializeFailed = 1; | |
4436 return false; | |
4437 } | |
4438 | |
4439 // Make global references for these | |
4440 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
4441 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
4442 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
4443 | |
4444 // Get needed field and method IDs | |
4445 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
4446 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
4447 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
4448 | |
4449 if ((directByteBufferConstructor == NULL) || | |
4450 (directBufferAddressField == NULL) || | |
4451 (bufferCapacityField == NULL)) { | |
4452 directBufferSupportInitializeFailed = 1; | |
4453 return false; | |
4454 } | |
4455 | |
4456 directBufferSupportInitializeEnded = 1; | |
4457 } else { | |
4458 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4459 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4460 // os::sleep which requires the VM state transition. On other platforms, it |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4461 // is not necessary. The following call to change the VM state is purposely |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4462 // put inside the loop to avoid potential deadlock when multiple threads |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4463 // try to call this method. See 6791815 for more details. |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4464 ThreadInVMfromNative tivn(thread); |
0 | 4465 os::yield_all(); |
4466 } | |
4467 } | |
4468 | |
4469 return !directBufferSupportInitializeFailed; | |
4470 } | |
4471 | |
4472 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
4473 { | |
4474 // thread_from_jni_environment() will block if VM is gone. | |
4475 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4476 | |
4477 JNIWrapper("jni_NewDirectByteBuffer"); | |
4006 | 4478 #ifndef USDT2 |
0 | 4479 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
4006 | 4480 #else /* USDT2 */ |
4481 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
4482 env, address, capacity); | |
4483 #endif /* USDT2 */ | |
0 | 4484 |
4485 if (!directBufferSupportInitializeEnded) { | |
4486 if (!initializeDirectBufferSupport(env, thread)) { | |
4006 | 4487 #ifndef USDT2 |
0 | 4488 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
4006 | 4489 #else /* USDT2 */ |
4490 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4491 NULL); | |
4492 #endif /* USDT2 */ | |
0 | 4493 return NULL; |
4494 } | |
4495 } | |
4496 | |
4497 // Being paranoid about accidental sign extension on address | |
4498 jlong addr = (jlong) ((uintptr_t) address); | |
4499 // NOTE that package-private DirectByteBuffer constructor currently | |
4500 // takes int capacity | |
4501 jint cap = (jint) capacity; | |
4502 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
4006 | 4503 #ifndef USDT2 |
0 | 4504 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
4006 | 4505 #else /* USDT2 */ |
4506 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4507 ret); | |
4508 #endif /* USDT2 */ | |
0 | 4509 return ret; |
4510 } | |
4511 | |
4006 | 4512 #ifndef USDT2 |
0 | 4513 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
4006 | 4514 #else /* USDT2 */ |
4515 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
4516 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
4517 #endif /* USDT2 */ | |
0 | 4518 |
4519 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
4520 { | |
4521 // thread_from_jni_environment() will block if VM is gone. | |
4522 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4523 | |
4524 JNIWrapper("jni_GetDirectBufferAddress"); | |
4006 | 4525 #ifndef USDT2 |
0 | 4526 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
4006 | 4527 #else /* USDT2 */ |
4528 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
4529 env, buf); | |
4530 #endif /* USDT2 */ | |
0 | 4531 void* ret = NULL; |
4532 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
4533 | |
4534 if (!directBufferSupportInitializeEnded) { | |
4535 if (!initializeDirectBufferSupport(env, thread)) { | |
4536 return 0; | |
4537 } | |
4538 } | |
4539 | |
4540 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
4541 return 0; | |
4542 } | |
4543 | |
4544 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
4545 return ret; | |
4546 } | |
4547 | |
4006 | 4548 #ifndef USDT2 |
0 | 4549 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
4006 | 4550 #else /* USDT2 */ |
4551 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
4552 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
4553 #endif /* USDT2 */ | |
0 | 4554 |
4555 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
4556 { | |
4557 // thread_from_jni_environment() will block if VM is gone. | |
4558 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4559 | |
4560 JNIWrapper("jni_GetDirectBufferCapacity"); | |
4006 | 4561 #ifndef USDT2 |
0 | 4562 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
4006 | 4563 #else /* USDT2 */ |
4564 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
4565 env, buf); | |
4566 #endif /* USDT2 */ | |
0 | 4567 jlong ret = -1; |
4568 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
4569 | |
4570 if (!directBufferSupportInitializeEnded) { | |
4571 if (!initializeDirectBufferSupport(env, thread)) { | |
4572 ret = 0; | |
4573 return ret; | |
4574 } | |
4575 } | |
4576 | |
4577 if (buf == NULL) { | |
4578 return -1; | |
4579 } | |
4580 | |
4581 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
4582 return -1; | |
4583 } | |
4584 | |
4585 // NOTE that capacity is currently an int in the implementation | |
4586 ret = env->GetIntField(buf, bufferCapacityField); | |
4587 return ret; | |
4588 } | |
4589 | |
4590 | |
4591 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
4592 JNIWrapper("GetVersion"); | |
4006 | 4593 #ifndef USDT2 |
0 | 4594 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
4006 | 4595 #else /* USDT2 */ |
4596 HOTSPOT_JNI_GETVERSION_ENTRY( | |
4597 env); | |
4598 #endif /* USDT2 */ | |
4599 #ifndef USDT2 | |
0 | 4600 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
4006 | 4601 #else /* USDT2 */ |
4602 HOTSPOT_JNI_GETVERSION_RETURN( | |
4603 CurrentVersion); | |
4604 #endif /* USDT2 */ | |
0 | 4605 return CurrentVersion; |
4606 JNI_END | |
4607 | |
4608 extern struct JavaVM_ main_vm; | |
4609 | |
4610 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
4611 JNIWrapper("jni_GetJavaVM"); | |
4006 | 4612 #ifndef USDT2 |
0 | 4613 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
4006 | 4614 #else /* USDT2 */ |
4615 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
4616 env, (void **) vm); | |
4617 #endif /* USDT2 */ | |
0 | 4618 *vm = (JavaVM *)(&main_vm); |
4006 | 4619 #ifndef USDT2 |
0 | 4620 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
4006 | 4621 #else /* USDT2 */ |
4622 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
4623 JNI_OK); | |
4624 #endif /* USDT2 */ | |
0 | 4625 return JNI_OK; |
4626 JNI_END | |
4627 | |
4628 // Structure containing all jni functions | |
4629 struct JNINativeInterface_ jni_NativeInterface = { | |
4630 NULL, | |
4631 NULL, | |
4632 NULL, | |
4633 | |
4634 NULL, | |
4635 | |
4636 jni_GetVersion, | |
4637 | |
4638 jni_DefineClass, | |
4639 jni_FindClass, | |
4640 | |
4641 jni_FromReflectedMethod, | |
4642 jni_FromReflectedField, | |
4643 | |
4644 jni_ToReflectedMethod, | |
4645 | |
4646 jni_GetSuperclass, | |
4647 jni_IsAssignableFrom, | |
4648 | |
4649 jni_ToReflectedField, | |
4650 | |
4651 jni_Throw, | |
4652 jni_ThrowNew, | |
4653 jni_ExceptionOccurred, | |
4654 jni_ExceptionDescribe, | |
4655 jni_ExceptionClear, | |
4656 jni_FatalError, | |
4657 | |
4658 jni_PushLocalFrame, | |
4659 jni_PopLocalFrame, | |
4660 | |
4661 jni_NewGlobalRef, | |
4662 jni_DeleteGlobalRef, | |
4663 jni_DeleteLocalRef, | |
4664 jni_IsSameObject, | |
4665 | |
4666 jni_NewLocalRef, | |
4667 jni_EnsureLocalCapacity, | |
4668 | |
4669 jni_AllocObject, | |
4670 jni_NewObject, | |
4671 jni_NewObjectV, | |
4672 jni_NewObjectA, | |
4673 | |
4674 jni_GetObjectClass, | |
4675 jni_IsInstanceOf, | |
4676 | |
4677 jni_GetMethodID, | |
4678 | |
4679 jni_CallObjectMethod, | |
4680 jni_CallObjectMethodV, | |
4681 jni_CallObjectMethodA, | |
4682 jni_CallBooleanMethod, | |
4683 jni_CallBooleanMethodV, | |
4684 jni_CallBooleanMethodA, | |
4685 jni_CallByteMethod, | |
4686 jni_CallByteMethodV, | |
4687 jni_CallByteMethodA, | |
4688 jni_CallCharMethod, | |
4689 jni_CallCharMethodV, | |
4690 jni_CallCharMethodA, | |
4691 jni_CallShortMethod, | |
4692 jni_CallShortMethodV, | |
4693 jni_CallShortMethodA, | |
4694 jni_CallIntMethod, | |
4695 jni_CallIntMethodV, | |
4696 jni_CallIntMethodA, | |
4697 jni_CallLongMethod, | |
4698 jni_CallLongMethodV, | |
4699 jni_CallLongMethodA, | |
4700 jni_CallFloatMethod, | |
4701 jni_CallFloatMethodV, | |
4702 jni_CallFloatMethodA, | |
4703 jni_CallDoubleMethod, | |
4704 jni_CallDoubleMethodV, | |
4705 jni_CallDoubleMethodA, | |
4706 jni_CallVoidMethod, | |
4707 jni_CallVoidMethodV, | |
4708 jni_CallVoidMethodA, | |
4709 | |
4710 jni_CallNonvirtualObjectMethod, | |
4711 jni_CallNonvirtualObjectMethodV, | |
4712 jni_CallNonvirtualObjectMethodA, | |
4713 jni_CallNonvirtualBooleanMethod, | |
4714 jni_CallNonvirtualBooleanMethodV, | |
4715 jni_CallNonvirtualBooleanMethodA, | |
4716 jni_CallNonvirtualByteMethod, | |
4717 jni_CallNonvirtualByteMethodV, | |
4718 jni_CallNonvirtualByteMethodA, | |
4719 jni_CallNonvirtualCharMethod, | |
4720 jni_CallNonvirtualCharMethodV, | |
4721 jni_CallNonvirtualCharMethodA, | |
4722 jni_CallNonvirtualShortMethod, | |
4723 jni_CallNonvirtualShortMethodV, | |
4724 jni_CallNonvirtualShortMethodA, | |
4725 jni_CallNonvirtualIntMethod, | |
4726 jni_CallNonvirtualIntMethodV, | |
4727 jni_CallNonvirtualIntMethodA, | |
4728 jni_CallNonvirtualLongMethod, | |
4729 jni_CallNonvirtualLongMethodV, | |
4730 jni_CallNonvirtualLongMethodA, | |
4731 jni_CallNonvirtualFloatMethod, | |
4732 jni_CallNonvirtualFloatMethodV, | |
4733 jni_CallNonvirtualFloatMethodA, | |
4734 jni_CallNonvirtualDoubleMethod, | |
4735 jni_CallNonvirtualDoubleMethodV, | |
4736 jni_CallNonvirtualDoubleMethodA, | |
4737 jni_CallNonvirtualVoidMethod, | |
4738 jni_CallNonvirtualVoidMethodV, | |
4739 jni_CallNonvirtualVoidMethodA, | |
4740 | |
4741 jni_GetFieldID, | |
4742 | |
4743 jni_GetObjectField, | |
4744 jni_GetBooleanField, | |
4745 jni_GetByteField, | |
4746 jni_GetCharField, | |
4747 jni_GetShortField, | |
4748 jni_GetIntField, | |
4749 jni_GetLongField, | |
4750 jni_GetFloatField, | |
4751 jni_GetDoubleField, | |
4752 | |
4753 jni_SetObjectField, | |
4754 jni_SetBooleanField, | |
4755 jni_SetByteField, | |
4756 jni_SetCharField, | |
4757 jni_SetShortField, | |
4758 jni_SetIntField, | |
4759 jni_SetLongField, | |
4760 jni_SetFloatField, | |
4761 jni_SetDoubleField, | |
4762 | |
4763 jni_GetStaticMethodID, | |
4764 | |
4765 jni_CallStaticObjectMethod, | |
4766 jni_CallStaticObjectMethodV, | |
4767 jni_CallStaticObjectMethodA, | |
4768 jni_CallStaticBooleanMethod, | |
4769 jni_CallStaticBooleanMethodV, | |
4770 jni_CallStaticBooleanMethodA, | |
4771 jni_CallStaticByteMethod, | |
4772 jni_CallStaticByteMethodV, | |
4773 jni_CallStaticByteMethodA, | |
4774 jni_CallStaticCharMethod, | |
4775 jni_CallStaticCharMethodV, | |
4776 jni_CallStaticCharMethodA, | |
4777 jni_CallStaticShortMethod, | |
4778 jni_CallStaticShortMethodV, | |
4779 jni_CallStaticShortMethodA, | |
4780 jni_CallStaticIntMethod, | |
4781 jni_CallStaticIntMethodV, | |
4782 jni_CallStaticIntMethodA, | |
4783 jni_CallStaticLongMethod, | |
4784 jni_CallStaticLongMethodV, | |
4785 jni_CallStaticLongMethodA, | |
4786 jni_CallStaticFloatMethod, | |
4787 jni_CallStaticFloatMethodV, | |
4788 jni_CallStaticFloatMethodA, | |
4789 jni_CallStaticDoubleMethod, | |
4790 jni_CallStaticDoubleMethodV, | |
4791 jni_CallStaticDoubleMethodA, | |
4792 jni_CallStaticVoidMethod, | |
4793 jni_CallStaticVoidMethodV, | |
4794 jni_CallStaticVoidMethodA, | |
4795 | |
4796 jni_GetStaticFieldID, | |
4797 | |
4798 jni_GetStaticObjectField, | |
4799 jni_GetStaticBooleanField, | |
4800 jni_GetStaticByteField, | |
4801 jni_GetStaticCharField, | |
4802 jni_GetStaticShortField, | |
4803 jni_GetStaticIntField, | |
4804 jni_GetStaticLongField, | |
4805 jni_GetStaticFloatField, | |
4806 jni_GetStaticDoubleField, | |
4807 | |
4808 jni_SetStaticObjectField, | |
4809 jni_SetStaticBooleanField, | |
4810 jni_SetStaticByteField, | |
4811 jni_SetStaticCharField, | |
4812 jni_SetStaticShortField, | |
4813 jni_SetStaticIntField, | |
4814 jni_SetStaticLongField, | |
4815 jni_SetStaticFloatField, | |
4816 jni_SetStaticDoubleField, | |
4817 | |
4818 jni_NewString, | |
4819 jni_GetStringLength, | |
4820 jni_GetStringChars, | |
4821 jni_ReleaseStringChars, | |
4822 | |
4823 jni_NewStringUTF, | |
4824 jni_GetStringUTFLength, | |
4825 jni_GetStringUTFChars, | |
4826 jni_ReleaseStringUTFChars, | |
4827 | |
4828 jni_GetArrayLength, | |
4829 | |
4830 jni_NewObjectArray, | |
4831 jni_GetObjectArrayElement, | |
4832 jni_SetObjectArrayElement, | |
4833 | |
4834 jni_NewBooleanArray, | |
4835 jni_NewByteArray, | |
4836 jni_NewCharArray, | |
4837 jni_NewShortArray, | |
4838 jni_NewIntArray, | |
4839 jni_NewLongArray, | |
4840 jni_NewFloatArray, | |
4841 jni_NewDoubleArray, | |
4842 | |
4843 jni_GetBooleanArrayElements, | |
4844 jni_GetByteArrayElements, | |
4845 jni_GetCharArrayElements, | |
4846 jni_GetShortArrayElements, | |
4847 jni_GetIntArrayElements, | |
4848 jni_GetLongArrayElements, | |
4849 jni_GetFloatArrayElements, | |
4850 jni_GetDoubleArrayElements, | |
4851 | |
4852 jni_ReleaseBooleanArrayElements, | |
4853 jni_ReleaseByteArrayElements, | |
4854 jni_ReleaseCharArrayElements, | |
4855 jni_ReleaseShortArrayElements, | |
4856 jni_ReleaseIntArrayElements, | |
4857 jni_ReleaseLongArrayElements, | |
4858 jni_ReleaseFloatArrayElements, | |
4859 jni_ReleaseDoubleArrayElements, | |
4860 | |
4861 jni_GetBooleanArrayRegion, | |
4862 jni_GetByteArrayRegion, | |
4863 jni_GetCharArrayRegion, | |
4864 jni_GetShortArrayRegion, | |
4865 jni_GetIntArrayRegion, | |
4866 jni_GetLongArrayRegion, | |
4867 jni_GetFloatArrayRegion, | |
4868 jni_GetDoubleArrayRegion, | |
4869 | |
4870 jni_SetBooleanArrayRegion, | |
4871 jni_SetByteArrayRegion, | |
4872 jni_SetCharArrayRegion, | |
4873 jni_SetShortArrayRegion, | |
4874 jni_SetIntArrayRegion, | |
4875 jni_SetLongArrayRegion, | |
4876 jni_SetFloatArrayRegion, | |
4877 jni_SetDoubleArrayRegion, | |
4878 | |
4879 jni_RegisterNatives, | |
4880 jni_UnregisterNatives, | |
4881 | |
4882 jni_MonitorEnter, | |
4883 jni_MonitorExit, | |
4884 | |
4885 jni_GetJavaVM, | |
4886 | |
4887 jni_GetStringRegion, | |
4888 jni_GetStringUTFRegion, | |
4889 | |
4890 jni_GetPrimitiveArrayCritical, | |
4891 jni_ReleasePrimitiveArrayCritical, | |
4892 | |
4893 jni_GetStringCritical, | |
4894 jni_ReleaseStringCritical, | |
4895 | |
4896 jni_NewWeakGlobalRef, | |
4897 jni_DeleteWeakGlobalRef, | |
4898 | |
4899 jni_ExceptionCheck, | |
4900 | |
4901 jni_NewDirectByteBuffer, | |
4902 jni_GetDirectBufferAddress, | |
4903 jni_GetDirectBufferCapacity, | |
4904 | |
4905 // New 1_6 features | |
4906 | |
4907 jni_GetObjectRefType | |
4908 }; | |
4909 | |
4910 | |
4911 // For jvmti use to modify jni function table. | |
4912 // Java threads in native contiues to run until it is transitioned | |
4913 // to VM at safepoint. Before the transition or before it is blocked | |
4914 // for safepoint it may access jni function table. VM could crash if | |
4915 // any java thread access the jni function table in the middle of memcpy. | |
4916 // To avoid this each function pointers are copied automically. | |
4917 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
4918 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
4919 intptr_t *a = (intptr_t *) jni_functions(); | |
4920 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
4921 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
4922 Atomic::store_ptr(*b++, a++); | |
4923 } | |
4924 } | |
4925 | |
4926 void quicken_jni_functions() { | |
4927 // Replace Get<Primitive>Field with fast versions | |
4928 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
4929 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
4930 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
4931 // windows x86 currently needs SEH wrapper and the gain of the fast | |
4932 // versions currently isn't certain for server vm on uniprocessor. | |
4933 && os::is_MP() | |
4934 #endif | |
4935 ) { | |
4936 address func; | |
4937 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
4938 if (func != (address)-1) { | |
4939 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
4940 } | |
4941 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
4942 if (func != (address)-1) { | |
4943 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
4944 } | |
4945 func = JNI_FastGetField::generate_fast_get_char_field(); | |
4946 if (func != (address)-1) { | |
4947 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
4948 } | |
4949 func = JNI_FastGetField::generate_fast_get_short_field(); | |
4950 if (func != (address)-1) { | |
4951 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
4952 } | |
4953 func = JNI_FastGetField::generate_fast_get_int_field(); | |
4954 if (func != (address)-1) { | |
4955 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
4956 } | |
4957 func = JNI_FastGetField::generate_fast_get_long_field(); | |
4958 if (func != (address)-1) { | |
4959 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
4960 } | |
4961 func = JNI_FastGetField::generate_fast_get_float_field(); | |
4962 if (func != (address)-1) { | |
4963 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
4964 } | |
4965 func = JNI_FastGetField::generate_fast_get_double_field(); | |
4966 if (func != (address)-1) { | |
4967 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
4968 } | |
4969 } | |
4970 } | |
4971 | |
4972 // Returns the function structure | |
4973 struct JNINativeInterface_* jni_functions() { | |
4974 #ifndef JNICHECK_KERNEL | |
4975 if (CheckJNICalls) return jni_functions_check(); | |
4976 #else // JNICHECK_KERNEL | |
4977 if (CheckJNICalls) warning("-Xcheck:jni is not supported in kernel vm."); | |
4978 #endif // JNICHECK_KERNEL | |
4979 return &jni_NativeInterface; | |
4980 } | |
4981 | |
4982 // Returns the function structure | |
4983 struct JNINativeInterface_* jni_functions_nocheck() { | |
4984 return &jni_NativeInterface; | |
4985 } | |
4986 | |
4987 | |
4988 // Invocation API | |
4989 | |
4990 | |
4991 // Forward declaration | |
4992 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
4993 | |
4994 // Global invocation API vars | |
4995 volatile jint vm_created = 0; | |
4996 // Indicate whether it is safe to recreate VM | |
4997 volatile jint safe_to_recreate_vm = 1; | |
4998 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
4999 | |
5000 | |
5001 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
5002 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
5003 | |
4006 | 5004 #ifndef USDT2 |
0 | 5005 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
5006 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
4006 | 5007 #else /* USDT2 */ |
5008 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
5009 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
5010 #endif /* USDT2 */ | |
0 | 5011 |
5012 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
4006 | 5013 #ifndef USDT2 |
0 | 5014 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
4006 | 5015 #else /* USDT2 */ |
5016 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
5017 args_); | |
5018 #endif /* USDT2 */ | |
0 | 5019 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
5020 jint ret = JNI_ERR; | |
5021 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
5022 | |
5023 if (Threads::is_supported_jni_version(args->version)) { | |
5024 ret = JNI_OK; | |
5025 } | |
5026 // 1.1 style no longer supported in hotspot. | |
5027 // According the JNI spec, we should update args->version on return. | |
5028 // We also use the structure to communicate with launcher about default | |
5029 // stack size. | |
5030 if (args->version == JNI_VERSION_1_1) { | |
5031 args->version = JNI_VERSION_1_2; | |
5032 // javaStackSize is int in arguments structure | |
5033 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
5034 args->javaStackSize = (jint)(ThreadStackSize * K); | |
5035 } | |
5036 return ret; | |
5037 } | |
5038 | |
3779 | 5039 #ifndef PRODUCT |
5040 | |
5041 #include "utilities/quickSort.hpp" | |
5042 | |
5043 void execute_internal_vm_tests() { | |
5044 if (ExecuteInternalVMTests) { | |
5045 assert(QuickSort::test_quick_sort(), "test_quick_sort failed"); | |
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5046 assert(arrayOopDesc::test_max_array_length(), "test_max_array_length failed"); |
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5047 tty->print_cr("All internal VM tests passed"); |
3779 | 5048 } |
5049 } | |
5050 | |
5051 #endif | |
5052 | |
4006 | 5053 #ifndef USDT2 |
0 | 5054 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
5055 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
4006 | 5056 #else /* USDT2 */ |
5057 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
5058 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
5059 #endif /* USDT2 */ | |
0 | 5060 |
5061 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
4006 | 5062 #ifndef USDT2 |
0 | 5063 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
4006 | 5064 #else /* USDT2 */ |
5065 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
5066 (void **) vm, penv, args); | |
5067 #endif /* USDT2 */ | |
0 | 5068 |
5069 jint result = JNI_ERR; | |
5070 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
5071 | |
1078 | 5072 // We're about to use Atomic::xchg for synchronization. Some Zero |
5073 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
5074 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
5075 // on all architectures. So we check it works before relying on it. | |
5076 #if defined(ZERO) && defined(ASSERT) | |
5077 { | |
5078 jint a = 0xcafebabe; | |
5079 jint b = Atomic::xchg(0xdeadbeef, &a); | |
5080 void *c = &a; | |
5081 void *d = Atomic::xchg_ptr(&b, &c); | |
1132 | 5082 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
1078 | 5083 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
5084 } | |
5085 #endif // ZERO && ASSERT | |
5086 | |
0 | 5087 // At the moment it's only possible to have one Java VM, |
5088 // since some of the runtime state is in global variables. | |
5089 | |
5090 // We cannot use our mutex locks here, since they only work on | |
5091 // Threads. We do an atomic compare and exchange to ensure only | |
5092 // one thread can call this method at a time | |
5093 | |
5094 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
5095 // the add/dec implementations are dependent on whether we are running | |
5096 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
5097 // function used to determine this will always return false. Atomic::xchg | |
5098 // does not have this problem. | |
5099 if (Atomic::xchg(1, &vm_created) == 1) { | |
5100 return JNI_ERR; // already created, or create attempt in progress | |
5101 } | |
5102 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
5103 return JNI_ERR; // someone tried and failed and retry not allowed. | |
5104 } | |
5105 | |
5106 assert(vm_created == 1, "vm_created is true during the creation"); | |
5107 | |
5108 /** | |
5109 * Certain errors during initialization are recoverable and do not | |
5110 * prevent this method from being called again at a later time | |
5111 * (perhaps with different arguments). However, at a certain | |
5112 * point during initialization if an error occurs we cannot allow | |
5113 * this function to be called again (or it will crash). In those | |
5114 * situations, the 'canTryAgain' flag is set to false, which atomically | |
5115 * sets safe_to_recreate_vm to 1, such that any new call to | |
5116 * JNI_CreateJavaVM will immediately fail using the above logic. | |
5117 */ | |
5118 bool can_try_again = true; | |
5119 | |
5120 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
5121 if (result == JNI_OK) { | |
5122 JavaThread *thread = JavaThread::current(); | |
5123 /* thread is thread_in_vm here */ | |
5124 *vm = (JavaVM *)(&main_vm); | |
5125 *(JNIEnv**)penv = thread->jni_environment(); | |
5126 | |
4368
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Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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4137
diff
changeset
|
5127 #ifdef GRAAL |
3650
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Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5128 if (UseGraal) { |
0e8a2a629afb
Pass-by compilation broker.
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parents:
3540
diff
changeset
|
5129 GraalCompiler* compiler = GraalCompiler::instance(); |
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5130 ciObjectFactory::initialize(); |
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5131 compiler->initialize(); |
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5132 } |
4368
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Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5133 #endif |
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
5134 |
0 | 5135 // Tracks the time application was running before GC |
5136 RuntimeService::record_application_start(); | |
5137 | |
5138 // Notify JVMTI | |
5139 if (JvmtiExport::should_post_thread_life()) { | |
5140 JvmtiExport::post_thread_start(thread); | |
5141 } | |
1454
7cf1952ec5fb
Added flag -XX:BootstrapC1X that precompiles Object::<init> and then every method in the compilation queue until it is empty.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1290
diff
changeset
|
5142 |
0 | 5143 // Check if we should compile all classes on bootclasspath |
5144 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
5145 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. | |
5146 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5147 } else { | |
5148 if (can_try_again) { | |
5149 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
5150 safe_to_recreate_vm = 1; | |
5151 } | |
5152 | |
5153 // Creation failed. We must reset vm_created | |
5154 *vm = 0; | |
5155 *(JNIEnv**)penv = 0; | |
5156 // reset vm_created last to avoid race condition. Use OrderAccess to | |
5157 // control both compiler and architectural-based reordering. | |
5158 OrderAccess::release_store(&vm_created, 0); | |
5159 } | |
5160 | |
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1290
diff
changeset
|
5161 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
3779 | 5162 NOT_PRODUCT(execute_internal_vm_tests()); |
0 | 5163 return result; |
5164 } | |
5165 | |
4006 | 5166 #ifndef USDT2 |
0 | 5167 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5168 JavaVM**, jsize, jsize*); | |
5169 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
4006 | 5170 #endif /* !USDT2 */ |
0 | 5171 |
5172 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
5173 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
5174 // JNIWrapper("GetCreatedJavaVMs"); | |
4006 | 5175 #ifndef USDT2 |
0 | 5176 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5177 vm_buf, bufLen, numVMs); | |
4006 | 5178 #else /* USDT2 */ |
5179 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
5180 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
5181 #endif /* USDT2 */ | |
0 | 5182 if (vm_created) { |
5183 if (numVMs != NULL) *numVMs = 1; | |
5184 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
5185 } else { | |
5186 if (numVMs != NULL) *numVMs = 0; | |
5187 } | |
4006 | 5188 #ifndef USDT2 |
0 | 5189 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
4006 | 5190 #else /* USDT2 */ |
5191 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
5192 JNI_OK); | |
5193 #endif /* USDT2 */ | |
0 | 5194 return JNI_OK; |
5195 } | |
5196 | |
5197 extern "C" { | |
5198 | |
4006 | 5199 #ifndef USDT2 |
0 | 5200 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
4006 | 5201 #else /* USDT2 */ |
5202 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
5203 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
5204 #endif /* USDT2 */ | |
0 | 5205 |
5206 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
4006 | 5207 #ifndef USDT2 |
0 | 5208 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
4006 | 5209 #else /* USDT2 */ |
5210 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
5211 vm); | |
5212 #endif /* USDT2 */ | |
0 | 5213 jint res = JNI_ERR; |
5214 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
5215 | |
5216 if (!vm_created) { | |
5217 res = JNI_ERR; | |
5218 return res; | |
5219 } | |
5220 | |
5221 JNIWrapper("DestroyJavaVM"); | |
5222 JNIEnv *env; | |
5223 JavaVMAttachArgs destroyargs; | |
5224 destroyargs.version = CurrentVersion; | |
5225 destroyargs.name = (char *)"DestroyJavaVM"; | |
5226 destroyargs.group = NULL; | |
5227 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
5228 if (res != JNI_OK) { | |
5229 return res; | |
5230 } | |
5231 | |
5232 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
5233 JavaThread* thread = JavaThread::current(); | |
5234 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5235 if (Threads::destroy_vm()) { | |
5236 // Should not change thread state, VM is gone | |
5237 vm_created = false; | |
5238 res = JNI_OK; | |
5239 return res; | |
5240 } else { | |
5241 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5242 res = JNI_ERR; | |
5243 return res; | |
5244 } | |
5245 } | |
5246 | |
5247 | |
5248 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
5249 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
5250 | |
5251 // Check below commented out from JDK1.2fcs as well | |
5252 /* | |
5253 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
5254 return JNI_EVERSION; | |
5255 } | |
5256 */ | |
5257 | |
5258 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
5259 if (t != NULL) { | |
5260 // If the thread has been attached this operation is a no-op | |
5261 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
5262 return JNI_OK; | |
5263 } | |
5264 | |
5265 // Create a thread and mark it as attaching so it will be skipped by the | |
5266 // ThreadsListEnumerator - see CR 6404306 | |
5267 JavaThread* thread = new JavaThread(true); | |
5268 | |
5269 // Set correct safepoint info. The thread is going to call into Java when | |
5270 // initializing the Java level thread object. Hence, the correct state must | |
5271 // be set in order for the Safepoint code to deal with it correctly. | |
5272 thread->set_thread_state(_thread_in_vm); | |
5273 // Must do this before initialize_thread_local_storage | |
5274 thread->record_stack_base_and_size(); | |
1290
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6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5275 |
0 | 5276 thread->initialize_thread_local_storage(); |
5277 | |
5278 if (!os::create_attached_thread(thread)) { | |
5279 delete thread; | |
5280 return JNI_ERR; | |
5281 } | |
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5282 // Enable stack overflow checks |
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5283 thread->create_stack_guard_pages(); |
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5284 |
0 | 5285 thread->initialize_tlab(); |
5286 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5287 thread->cache_global_variables(); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5288 |
0 | 5289 // Crucial that we do not have a safepoint check for this thread, since it has |
5290 // not been added to the Thread list yet. | |
5291 { Threads_lock->lock_without_safepoint_check(); | |
5292 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
5293 // avoid this thread trying to do a GC before it is added to the thread-list | |
5294 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
5295 Threads::add(thread, daemon); | |
5296 Threads_lock->unlock(); | |
5297 } | |
5298 // Create thread group and name info from attach arguments | |
5299 oop group = NULL; | |
5300 char* thread_name = NULL; | |
5301 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
5302 group = JNIHandles::resolve(args->group); | |
5303 thread_name = args->name; // may be NULL | |
5304 } | |
5305 if (group == NULL) group = Universe::main_thread_group(); | |
5306 | |
5307 // Create Java level thread object and attach it to this thread | |
5308 bool attach_failed = false; | |
5309 { | |
5310 EXCEPTION_MARK; | |
5311 HandleMark hm(THREAD); | |
5312 Handle thread_group(THREAD, group); | |
5313 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
5314 if (HAS_PENDING_EXCEPTION) { | |
5315 CLEAR_PENDING_EXCEPTION; | |
5316 // cleanup outside the handle mark. | |
5317 attach_failed = true; | |
5318 } | |
5319 } | |
5320 | |
5321 if (attach_failed) { | |
5322 // Added missing cleanup | |
5323 thread->cleanup_failed_attach_current_thread(); | |
5324 return JNI_ERR; | |
5325 } | |
5326 | |
5327 // mark the thread as no longer attaching | |
5328 // this uses a fence to push the change through so we don't have | |
5329 // to regrab the threads_lock | |
4006 | 5330 thread->set_done_attaching_via_jni(); |
0 | 5331 |
5332 // Set java thread status. | |
5333 java_lang_Thread::set_thread_status(thread->threadObj(), | |
5334 java_lang_Thread::RUNNABLE); | |
5335 | |
5336 // Notify the debugger | |
5337 if (JvmtiExport::should_post_thread_life()) { | |
5338 JvmtiExport::post_thread_start(thread); | |
5339 } | |
5340 | |
5341 *(JNIEnv**)penv = thread->jni_environment(); | |
5342 | |
5343 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
5344 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
5345 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
5346 // needed. | |
5347 | |
5348 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5349 | |
5350 // Perform any platform dependent FPU setup | |
5351 os::setup_fpu(); | |
5352 | |
5353 return JNI_OK; | |
5354 } | |
5355 | |
5356 | |
5357 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5358 #ifndef USDT2 |
0 | 5359 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
4006 | 5360 #else /* USDT2 */ |
5361 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
5362 vm, penv, _args); | |
5363 #endif /* USDT2 */ | |
0 | 5364 if (!vm_created) { |
4006 | 5365 #ifndef USDT2 |
0 | 5366 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
4006 | 5367 #else /* USDT2 */ |
5368 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5369 (uint32_t) JNI_ERR); | |
5370 #endif /* USDT2 */ | |
0 | 5371 return JNI_ERR; |
5372 } | |
5373 | |
5374 JNIWrapper("AttachCurrentThread"); | |
5375 jint ret = attach_current_thread(vm, penv, _args, false); | |
4006 | 5376 #ifndef USDT2 |
0 | 5377 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
4006 | 5378 #else /* USDT2 */ |
5379 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5380 ret); | |
5381 #endif /* USDT2 */ | |
0 | 5382 return ret; |
5383 } | |
5384 | |
5385 | |
5386 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
4006 | 5387 #ifndef USDT2 |
0 | 5388 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
4006 | 5389 #else /* USDT2 */ |
5390 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
5391 vm); | |
5392 #endif /* USDT2 */ | |
0 | 5393 VM_Exit::block_if_vm_exited(); |
5394 | |
5395 JNIWrapper("DetachCurrentThread"); | |
5396 | |
5397 // If the thread has been deattacted the operations is a no-op | |
5398 if (ThreadLocalStorage::thread() == NULL) { | |
4006 | 5399 #ifndef USDT2 |
0 | 5400 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5401 #else /* USDT2 */ |
5402 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5403 JNI_OK); | |
5404 #endif /* USDT2 */ | |
0 | 5405 return JNI_OK; |
5406 } | |
5407 | |
5408 JavaThread* thread = JavaThread::current(); | |
5409 if (thread->has_last_Java_frame()) { | |
4006 | 5410 #ifndef USDT2 |
0 | 5411 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
4006 | 5412 #else /* USDT2 */ |
5413 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5414 (uint32_t) JNI_ERR); | |
5415 #endif /* USDT2 */ | |
0 | 5416 // Can't detach a thread that's running java, that can't work. |
5417 return JNI_ERR; | |
5418 } | |
5419 | |
5420 // Safepoint support. Have to do call-back to safepoint code, if in the | |
5421 // middel of a safepoint operation | |
5422 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5423 | |
5424 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
5425 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
5426 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
5427 // of the guards is visible in jni_AttachCurrentThread above, | |
5428 // the removal of the guards is buried below in JavaThread::exit() | |
5429 // here. The abstraction should be more symmetrically either exposed | |
5430 // or hidden (e.g. it could probably be hidden in the same | |
5431 // (platform-dependent) methods where we do alternate stack | |
5432 // maintenance work?) | |
5433 thread->exit(false, JavaThread::jni_detach); | |
5434 delete thread; | |
5435 | |
4006 | 5436 #ifndef USDT2 |
0 | 5437 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5438 #else /* USDT2 */ |
5439 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5440 JNI_OK); | |
5441 #endif /* USDT2 */ | |
0 | 5442 return JNI_OK; |
5443 } | |
5444 | |
4006 | 5445 #ifndef USDT2 |
0 | 5446 DT_RETURN_MARK_DECL(GetEnv, jint); |
4006 | 5447 #else /* USDT2 */ |
5448 DT_RETURN_MARK_DECL(GetEnv, jint | |
5449 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
5450 #endif /* USDT2 */ | |
0 | 5451 |
5452 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
4006 | 5453 #ifndef USDT2 |
0 | 5454 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
4006 | 5455 #else /* USDT2 */ |
5456 HOTSPOT_JNI_GETENV_ENTRY( | |
5457 vm, penv, version); | |
5458 #endif /* USDT2 */ | |
0 | 5459 jint ret = JNI_ERR; |
5460 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
5461 | |
5462 if (!vm_created) { | |
5463 *penv = NULL; | |
5464 ret = JNI_EDETACHED; | |
5465 return ret; | |
5466 } | |
5467 | |
5468 if (JvmtiExport::is_jvmti_version(version)) { | |
5469 ret = JvmtiExport::get_jvmti_interface(vm, penv, version); | |
5470 return ret; | |
5471 } | |
5472 | |
5473 #ifndef JVMPI_VERSION_1 | |
5474 // need these in order to be polite about older agents | |
5475 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
5476 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
5477 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
5478 #endif // !JVMPI_VERSION_1 | |
5479 | |
5480 Thread* thread = ThreadLocalStorage::thread(); | |
5481 if (thread != NULL && thread->is_Java_thread()) { | |
5482 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
5483 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
5484 ret = JNI_OK; | |
5485 return ret; | |
5486 | |
5487 } else if (version == JVMPI_VERSION_1 || | |
5488 version == JVMPI_VERSION_1_1 || | |
5489 version == JVMPI_VERSION_1_2) { | |
5490 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
5491 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5492 ret = JNI_EVERSION; | |
5493 return ret; | |
5494 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
5495 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
5496 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5497 ret = JNI_EVERSION; | |
5498 return ret; | |
5499 } else { | |
5500 *penv = NULL; | |
5501 ret = JNI_EVERSION; | |
5502 return ret; | |
5503 } | |
5504 } else { | |
5505 *penv = NULL; | |
5506 ret = JNI_EDETACHED; | |
5507 return ret; | |
5508 } | |
5509 } | |
5510 | |
5511 | |
5512 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5513 #ifndef USDT2 |
0 | 5514 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
4006 | 5515 #else /* USDT2 */ |
5516 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
5517 vm, penv, _args); | |
5518 #endif /* USDT2 */ | |
0 | 5519 if (!vm_created) { |
4006 | 5520 #ifndef USDT2 |
0 | 5521 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
4006 | 5522 #else /* USDT2 */ |
5523 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5524 (uint32_t) JNI_ERR); | |
5525 #endif /* USDT2 */ | |
0 | 5526 return JNI_ERR; |
5527 } | |
5528 | |
5529 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
5530 jint ret = attach_current_thread(vm, penv, _args, true); | |
4006 | 5531 #ifndef USDT2 |
0 | 5532 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
4006 | 5533 #else /* USDT2 */ |
5534 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5535 ret); | |
5536 #endif /* USDT2 */ | |
0 | 5537 return ret; |
5538 } | |
5539 | |
5540 | |
5541 } // End extern "C" | |
5542 | |
5543 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
5544 NULL, | |
5545 NULL, | |
5546 NULL, | |
5547 | |
5548 jni_DestroyJavaVM, | |
5549 jni_AttachCurrentThread, | |
5550 jni_DetachCurrentThread, | |
5551 jni_GetEnv, | |
5552 jni_AttachCurrentThreadAsDaemon | |
5553 }; |