Mercurial > hg > graal-compiler
annotate src/share/vm/prims/jni.cpp @ 5747:120820e30baa
added basic high-level interpreter support to HotSpot
author | Christian Haeubl <haeubl@ssw.jku.at> |
---|---|
date | Tue, 03 Jul 2012 16:56:40 +0200 |
parents | 33df1aeaebbf |
children | 957c266d8bc5 |
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 #ifdef GRAAL |
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33 #include "graal/graalCompiler.hpp" |
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34 #endif |
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35 #ifdef HIGH_LEVEL_INTERPRETER |
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36 #include "graal/graalVMToInterpreter.hpp" |
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37 #endif |
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38 #ifndef SERIALGC |
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39 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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40 #endif // SERIALGC |
1972 | 41 #include "memory/allocation.inline.hpp" |
42 #include "memory/gcLocker.inline.hpp" | |
43 #include "memory/oopFactory.hpp" | |
44 #include "memory/universe.inline.hpp" | |
45 #include "oops/instanceKlass.hpp" | |
46 #include "oops/instanceOop.hpp" | |
47 #include "oops/markOop.hpp" | |
48 #include "oops/methodOop.hpp" | |
49 #include "oops/objArrayKlass.hpp" | |
50 #include "oops/objArrayOop.hpp" | |
51 #include "oops/oop.inline.hpp" | |
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52 #include "oops/symbol.hpp" |
1972 | 53 #include "oops/typeArrayKlass.hpp" |
54 #include "oops/typeArrayOop.hpp" | |
55 #include "prims/jni.h" | |
56 #include "prims/jniCheck.hpp" | |
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57 #include "prims/jniExport.hpp" |
1972 | 58 #include "prims/jniFastGetField.hpp" |
59 #include "prims/jvm.h" | |
60 #include "prims/jvm_misc.hpp" | |
61 #include "prims/jvmtiExport.hpp" | |
62 #include "prims/jvmtiThreadState.hpp" | |
63 #include "runtime/compilationPolicy.hpp" | |
64 #include "runtime/fieldDescriptor.hpp" | |
65 #include "runtime/fprofiler.hpp" | |
66 #include "runtime/handles.inline.hpp" | |
67 #include "runtime/interfaceSupport.hpp" | |
68 #include "runtime/java.hpp" | |
69 #include "runtime/javaCalls.hpp" | |
70 #include "runtime/jfieldIDWorkaround.hpp" | |
71 #include "runtime/reflection.hpp" | |
72 #include "runtime/sharedRuntime.hpp" | |
73 #include "runtime/signature.hpp" | |
74 #include "runtime/vm_operations.hpp" | |
75 #include "services/runtimeService.hpp" | |
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76 #include "trace/tracing.hpp" |
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77 #include "trace/traceEventTypes.hpp" |
1972 | 78 #include "utilities/defaultStream.hpp" |
79 #include "utilities/dtrace.hpp" | |
80 #include "utilities/events.hpp" | |
81 #include "utilities/histogram.hpp" | |
82 #ifdef TARGET_OS_FAMILY_linux | |
83 # include "os_linux.inline.hpp" | |
84 # include "thread_linux.inline.hpp" | |
85 #endif | |
86 #ifdef TARGET_OS_FAMILY_solaris | |
87 # include "os_solaris.inline.hpp" | |
88 # include "thread_solaris.inline.hpp" | |
89 #endif | |
90 #ifdef TARGET_OS_FAMILY_windows | |
91 # include "os_windows.inline.hpp" | |
92 # include "thread_windows.inline.hpp" | |
93 #endif | |
3960 | 94 #ifdef TARGET_OS_FAMILY_bsd |
95 # include "os_bsd.inline.hpp" | |
96 # include "thread_bsd.inline.hpp" | |
97 #endif | |
0 | 98 |
99 static jint CurrentVersion = JNI_VERSION_1_6; | |
100 | |
101 | |
102 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
103 // '-return' probe regardless of the return path is taken out of the function. | |
104 // Methods that have multiple return paths use this to avoid having to | |
105 // instrument each return path. Methods that use CHECK or THROW must use this | |
106 // since those macros can cause an immedate uninstrumented return. | |
107 // | |
108 // In order to get the return value, a reference to the variable containing | |
109 // the return value must be passed to the contructor of the object, and | |
110 // the return value must be set before return (since the mark object has | |
111 // a reference to it). | |
112 // | |
113 // Example: | |
114 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
115 // JNI_ENTRY(int, SomeFunc, ...) | |
116 // int return_value = 0; | |
117 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
118 // foo(CHECK_0) | |
119 // return_value = 5; | |
120 // return return_value; | |
121 // JNI_END | |
4006 | 122 #ifndef USDT2 |
0 | 123 #define DT_RETURN_MARK_DECL(name, type) \ |
124 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
125 DTRACE_ONLY( \ | |
126 class DTraceReturnProbeMark_##name { \ | |
127 public: \ | |
128 const type& _ret_ref; \ | |
129 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
130 ~DTraceReturnProbeMark_##name() { \ | |
131 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
132 } \ | |
133 } \ | |
134 ) | |
135 // Void functions are simpler since there's no return value | |
136 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
137 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
138 DTRACE_ONLY( \ | |
139 class DTraceReturnProbeMark_##name { \ | |
140 public: \ | |
141 ~DTraceReturnProbeMark_##name() { \ | |
142 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
143 } \ | |
144 } \ | |
145 ) | |
146 | |
4006 | 147 #else /* USDT2 */ |
148 | |
149 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
150 DTRACE_ONLY( \ | |
151 class DTraceReturnProbeMark_##name { \ | |
152 public: \ | |
153 const type& _ret_ref; \ | |
154 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
155 ~DTraceReturnProbeMark_##name() { \ | |
156 probe; \ | |
157 } \ | |
158 } \ | |
159 ) | |
160 // Void functions are simpler since there's no return value | |
161 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
162 DTRACE_ONLY( \ | |
163 class DTraceReturnProbeMark_##name { \ | |
164 public: \ | |
165 ~DTraceReturnProbeMark_##name() { \ | |
166 probe; \ | |
167 } \ | |
168 } \ | |
169 ) | |
170 #endif /* USDT2 */ | |
0 | 171 |
172 // Place these macros in the function to mark the return. Non-void | |
173 // functions need the type and address of the return value. | |
174 #define DT_RETURN_MARK(name, type, ref) \ | |
175 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
176 #define DT_VOID_RETURN_MARK(name) \ | |
177 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
178 | |
179 | |
180 // Use these to select distinct code for floating-point vs. non-floating point | |
181 // situations. Used from within common macros where we need slightly | |
182 // different behavior for Float/Double | |
183 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
184 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
185 #define FP_SELECT_Char(intcode, fpcode) intcode | |
186 #define FP_SELECT_Short(intcode, fpcode) intcode | |
187 #define FP_SELECT_Object(intcode, fpcode) intcode | |
188 #define FP_SELECT_Int(intcode, fpcode) intcode | |
189 #define FP_SELECT_Long(intcode, fpcode) intcode | |
190 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
191 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
192 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
193 FP_SELECT_##TypeName(intcode, fpcode) | |
194 | |
195 #define COMMA , | |
196 | |
197 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
198 // (dtrace doesn't do FP yet) | |
4006 | 199 #ifndef USDT2 |
0 | 200 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
201 FP_SELECT(TypeName, \ | |
202 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
4006 | 203 #else /* USDT2 */ |
204 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
205 FP_SELECT(TypeName, \ | |
206 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
207 #endif /* USDT2 */ | |
0 | 208 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
209 FP_SELECT(TypeName, \ | |
210 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
211 | |
212 | |
213 // out-of-line helpers for class jfieldIDWorkaround: | |
214 | |
215 bool jfieldIDWorkaround::is_valid_jfieldID(klassOop k, jfieldID id) { | |
216 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { | |
217 uintptr_t as_uint = (uintptr_t) id; | |
218 intptr_t offset = raw_instance_offset(id); | |
219 if (is_checked_jfieldID(id)) { | |
220 if (!klass_hash_ok(k, id)) { | |
221 return false; | |
222 } | |
223 } | |
224 return instanceKlass::cast(k)->contains_field_offset(offset); | |
225 } else { | |
226 JNIid* result = (JNIid*) id; | |
227 #ifdef ASSERT | |
228 return result != NULL && result->is_static_field_id(); | |
229 #else | |
230 return result != NULL; | |
231 #endif | |
232 } | |
233 } | |
234 | |
235 | |
236 intptr_t jfieldIDWorkaround::encode_klass_hash(klassOop k, intptr_t offset) { | |
237 if (offset <= small_offset_mask) { | |
238 klassOop field_klass = k; | |
239 klassOop super_klass = Klass::cast(field_klass)->super(); | |
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240 // With compressed oops the most super class with nonstatic fields would |
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241 // be the owner of fields embedded in the header. |
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242 while (instanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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243 instanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
0 | 244 field_klass = super_klass; // super contains the field also |
245 super_klass = Klass::cast(field_klass)->super(); | |
246 } | |
247 debug_only(No_Safepoint_Verifier nosafepoint;) | |
248 uintptr_t klass_hash = field_klass->identity_hash(); | |
249 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
250 } else { | |
251 #if 0 | |
252 #ifndef PRODUCT | |
253 { | |
254 ResourceMark rm; | |
255 warning("VerifyJNIFields: long offset %d in %s", offset, Klass::cast(k)->external_name()); | |
256 } | |
257 #endif | |
258 #endif | |
259 return 0; | |
260 } | |
261 } | |
262 | |
263 bool jfieldIDWorkaround::klass_hash_ok(klassOop k, jfieldID id) { | |
264 uintptr_t as_uint = (uintptr_t) id; | |
265 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
266 do { | |
267 debug_only(No_Safepoint_Verifier nosafepoint;) | |
268 // Could use a non-blocking query for identity_hash here... | |
269 if ((k->identity_hash() & klass_mask) == klass_hash) | |
270 return true; | |
271 k = Klass::cast(k)->super(); | |
272 } while (k != NULL); | |
273 return false; | |
274 } | |
275 | |
276 void jfieldIDWorkaround::verify_instance_jfieldID(klassOop k, jfieldID id) { | |
277 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); | |
278 uintptr_t as_uint = (uintptr_t) id; | |
279 intptr_t offset = raw_instance_offset(id); | |
280 if (VerifyJNIFields) { | |
281 if (is_checked_jfieldID(id)) { | |
282 guarantee(klass_hash_ok(k, id), | |
283 "Bug in native code: jfieldID class must match object"); | |
284 } else { | |
285 #if 0 | |
286 #ifndef PRODUCT | |
287 if (Verbose) { | |
288 ResourceMark rm; | |
289 warning("VerifyJNIFields: unverified offset %d for %s", offset, Klass::cast(k)->external_name()); | |
290 } | |
291 #endif | |
292 #endif | |
293 } | |
294 } | |
295 guarantee(instanceKlass::cast(k)->contains_field_offset(offset), | |
296 "Bug in native code: jfieldID offset must address interior of object"); | |
297 } | |
298 | |
299 // Pick a reasonable higher bound for local capacity requested | |
300 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
301 // high because a test (or very unusual application) may try to allocate | |
302 // that many handles and run out of swap space. An implementation is | |
303 // permitted to allocate more handles than the ensured capacity, so this | |
304 // value is set high enough to prevent compatibility problems. | |
305 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
306 | |
307 | |
308 // Wrapper to trace JNI functions | |
309 | |
310 #ifdef ASSERT | |
311 Histogram* JNIHistogram; | |
312 static volatile jint JNIHistogram_lock = 0; | |
313 | |
314 class JNITraceWrapper : public StackObj { | |
315 public: | |
316 JNITraceWrapper(const char* format, ...) { | |
317 if (TraceJNICalls) { | |
318 va_list ap; | |
319 va_start(ap, format); | |
320 tty->print("JNI "); | |
321 tty->vprint_cr(format, ap); | |
322 va_end(ap); | |
323 } | |
324 } | |
325 }; | |
326 | |
327 class JNIHistogramElement : public HistogramElement { | |
328 public: | |
329 JNIHistogramElement(const char* name); | |
330 }; | |
331 | |
332 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
333 _name = elementName; | |
334 uintx count = 0; | |
335 | |
336 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
337 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
338 count +=1; | |
339 if ( (WarnOnStalledSpinLock > 0) | |
340 && (count % WarnOnStalledSpinLock == 0)) { | |
341 warning("JNIHistogram_lock seems to be stalled"); | |
342 } | |
343 } | |
344 } | |
345 | |
346 | |
347 if(JNIHistogram == NULL) | |
348 JNIHistogram = new Histogram("JNI Call Counts",100); | |
349 | |
350 JNIHistogram->add_element(this); | |
351 Atomic::dec(&JNIHistogram_lock); | |
352 } | |
353 | |
354 #define JNICountWrapper(arg) \ | |
355 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
356 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
357 if (e != NULL) e->increment_count() | |
358 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
359 #else | |
360 #define JNIWrapper(arg) | |
361 #endif | |
362 | |
363 | |
364 // Implementation of JNI entries | |
365 | |
4006 | 366 #ifndef USDT2 |
0 | 367 DT_RETURN_MARK_DECL(DefineClass, jclass); |
4006 | 368 #else /* USDT2 */ |
369 DT_RETURN_MARK_DECL(DefineClass, jclass | |
370 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
371 #endif /* USDT2 */ | |
0 | 372 |
373 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
374 const jbyte *buf, jsize bufLen)) | |
375 JNIWrapper("DefineClass"); | |
376 | |
4006 | 377 #ifndef USDT2 |
0 | 378 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
379 env, name, loaderRef, buf, bufLen); | |
4006 | 380 #else /* USDT2 */ |
381 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
382 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
383 #endif /* USDT2 */ | |
0 | 384 jclass cls = NULL; |
385 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
386 | |
387 // Since exceptions can be thrown, class initialization can take place | |
388 // if name is NULL no check for class name in .class stream has to be made. | |
389 if (name != NULL) { | |
390 const int str_len = (int)strlen(name); | |
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391 if (str_len > Symbol::max_length()) { |
0 | 392 // It's impossible to create this class; the name cannot fit |
393 // into the constant pool. | |
394 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
395 } | |
396 } | |
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397 TempNewSymbol class_name = SymbolTable::new_symbol(name, THREAD); |
0 | 398 |
399 ResourceMark rm(THREAD); | |
400 ClassFileStream st((u1*) buf, bufLen, NULL); | |
401 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
402 | |
403 if (UsePerfData && !class_loader.is_null()) { | |
404 // check whether the current caller thread holds the lock or not. | |
405 // If not, increment the corresponding counter | |
406 if (ObjectSynchronizer:: | |
407 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
408 ObjectSynchronizer::owner_self) { | |
409 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
410 } | |
411 } | |
412 klassOop k = SystemDictionary::resolve_from_stream(class_name, class_loader, | |
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413 Handle(), &st, true, |
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414 CHECK_NULL); |
0 | 415 |
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416 if (TraceClassResolution && k != NULL) { |
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417 trace_class_resolution(k); |
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418 } |
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419 |
0 | 420 cls = (jclass)JNIHandles::make_local( |
421 env, Klass::cast(k)->java_mirror()); | |
422 return cls; | |
423 JNI_END | |
424 | |
425 | |
426 | |
427 static bool first_time_FindClass = true; | |
428 | |
4006 | 429 #ifndef USDT2 |
0 | 430 DT_RETURN_MARK_DECL(FindClass, jclass); |
4006 | 431 #else /* USDT2 */ |
432 DT_RETURN_MARK_DECL(FindClass, jclass | |
433 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
434 #endif /* USDT2 */ | |
0 | 435 |
436 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
437 JNIWrapper("FindClass"); | |
4006 | 438 #ifndef USDT2 |
0 | 439 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
4006 | 440 #else /* USDT2 */ |
441 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
442 env, (char *)name); | |
443 #endif /* USDT2 */ | |
0 | 444 |
445 jclass result = NULL; | |
446 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
447 | |
448 // Remember if we are the first invocation of jni_FindClass | |
449 bool first_time = first_time_FindClass; | |
450 first_time_FindClass = false; | |
451 | |
452 // Sanity check the name: it cannot be null or larger than the maximum size | |
453 // name we can fit in the constant pool. | |
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454 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
0 | 455 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
456 } | |
457 | |
458 //%note jni_3 | |
459 Handle loader; | |
460 Handle protection_domain; | |
461 // Find calling class | |
462 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
463 if (k.not_null()) { | |
464 loader = Handle(THREAD, k->class_loader()); | |
465 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
466 // in the correct class context. | |
467 if (loader.is_null() && | |
468 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
469 JavaValue result(T_OBJECT); | |
470 JavaCalls::call_static(&result, k, | |
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471 vmSymbols::getFromClass_name(), |
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472 vmSymbols::void_class_signature(), |
0 | 473 thread); |
474 if (HAS_PENDING_EXCEPTION) { | |
475 Handle ex(thread, thread->pending_exception()); | |
476 CLEAR_PENDING_EXCEPTION; | |
477 THROW_HANDLE_0(ex); | |
478 } | |
479 oop mirror = (oop) result.get_jobject(); | |
480 loader = Handle(THREAD, | |
481 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->class_loader()); | |
482 protection_domain = Handle(THREAD, | |
483 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->protection_domain()); | |
484 } | |
485 } else { | |
486 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
487 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
488 } | |
489 | |
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490 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 491 result = find_class_from_class_loader(env, sym, true, loader, |
492 protection_domain, true, thread); | |
493 | |
657
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494 if (TraceClassResolution && result != NULL) { |
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495 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
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496 } |
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497 |
0 | 498 // If we were the first invocation of jni_FindClass, we enable compilation again |
499 // rather than just allowing invocation counter to overflow and decay. | |
500 // Controlled by flag DelayCompilationDuringStartup. | |
501 if (first_time && !CompileTheWorld) | |
502 CompilationPolicy::completed_vm_startup(); | |
503 | |
504 return result; | |
505 JNI_END | |
506 | |
4006 | 507 #ifndef USDT2 |
0 | 508 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
4006 | 509 #else /* USDT2 */ |
510 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
511 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
512 #endif /* USDT2 */ | |
0 | 513 |
514 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
515 JNIWrapper("FromReflectedMethod"); | |
4006 | 516 #ifndef USDT2 |
0 | 517 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
4006 | 518 #else /* USDT2 */ |
519 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
520 env, method); | |
521 #endif /* USDT2 */ | |
0 | 522 jmethodID ret = NULL; |
523 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
524 | |
525 // method is a handle to a java.lang.reflect.Method object | |
526 oop reflected = JNIHandles::resolve_non_null(method); | |
527 oop mirror = NULL; | |
528 int slot = 0; | |
529 | |
1142 | 530 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
0 | 531 mirror = java_lang_reflect_Constructor::clazz(reflected); |
532 slot = java_lang_reflect_Constructor::slot(reflected); | |
533 } else { | |
1142 | 534 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
0 | 535 mirror = java_lang_reflect_Method::clazz(reflected); |
536 slot = java_lang_reflect_Method::slot(reflected); | |
537 } | |
538 klassOop k = java_lang_Class::as_klassOop(mirror); | |
539 | |
540 KlassHandle k1(THREAD, k); | |
541 // Make sure class is initialized before handing id's out to methods | |
542 Klass::cast(k1())->initialize(CHECK_NULL); | |
543 methodOop m = instanceKlass::cast(k1())->method_with_idnum(slot); | |
544 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted | |
545 return ret; | |
546 JNI_END | |
547 | |
4006 | 548 #ifndef USDT2 |
0 | 549 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
4006 | 550 #else /* USDT2 */ |
551 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
552 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
553 #endif /* USDT2 */ | |
0 | 554 |
555 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
556 JNIWrapper("FromReflectedField"); | |
4006 | 557 #ifndef USDT2 |
0 | 558 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
4006 | 559 #else /* USDT2 */ |
560 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
561 env, field); | |
562 #endif /* USDT2 */ | |
0 | 563 jfieldID ret = NULL; |
564 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
565 | |
566 // field is a handle to a java.lang.reflect.Field object | |
567 oop reflected = JNIHandles::resolve_non_null(field); | |
568 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
569 klassOop k = java_lang_Class::as_klassOop(mirror); | |
570 int slot = java_lang_reflect_Field::slot(reflected); | |
571 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
572 | |
573 KlassHandle k1(THREAD, k); | |
574 // Make sure class is initialized before handing id's out to fields | |
575 Klass::cast(k1())->initialize(CHECK_NULL); | |
576 | |
577 // First check if this is a static field | |
578 if (modifiers & JVM_ACC_STATIC) { | |
3938 | 579 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
0 | 580 JNIid* id = instanceKlass::cast(k1())->jni_id_for(offset); |
581 assert(id != NULL, "corrupt Field object"); | |
582 debug_only(id->set_is_static_field_id();) | |
583 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
584 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
585 return ret; | |
586 } | |
587 | |
588 // The slot is the index of the field description in the field-array | |
589 // The jfieldID is the offset of the field within the object | |
590 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
3938 | 591 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
0 | 592 assert(instanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
593 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); | |
594 return ret; | |
595 JNI_END | |
596 | |
4006 | 597 #ifndef USDT2 |
0 | 598 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
4006 | 599 #else /* USDT2 */ |
600 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
601 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
602 #endif /* USDT2 */ | |
0 | 603 |
604 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
605 JNIWrapper("ToReflectedMethod"); | |
4006 | 606 #ifndef USDT2 |
0 | 607 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
4006 | 608 #else /* USDT2 */ |
609 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
610 env, cls, (uintptr_t) method_id, isStatic); | |
611 #endif /* USDT2 */ | |
0 | 612 jobject ret = NULL; |
613 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
614 | |
615 methodHandle m (THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
616 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); | |
617 oop reflection_method; | |
618 if (m->is_initializer()) { | |
619 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
620 } else { | |
621 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
622 } | |
623 ret = JNIHandles::make_local(env, reflection_method); | |
624 return ret; | |
625 JNI_END | |
626 | |
4006 | 627 #ifndef USDT2 |
0 | 628 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
4006 | 629 #else /* USDT2 */ |
630 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
631 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
632 #endif /* USDT2 */ | |
0 | 633 |
634 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
635 JNIWrapper("GetSuperclass"); | |
4006 | 636 #ifndef USDT2 |
0 | 637 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
4006 | 638 #else /* USDT2 */ |
639 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
640 env, sub); | |
641 #endif /* USDT2 */ | |
0 | 642 jclass obj = NULL; |
643 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
644 | |
645 oop mirror = JNIHandles::resolve_non_null(sub); | |
646 // primitive classes return NULL | |
647 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
648 | |
649 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
650 // arrays return Object | |
651 // interfaces return NULL | |
652 // proper classes return Klass::super() | |
653 klassOop k = java_lang_Class::as_klassOop(mirror); | |
654 if (Klass::cast(k)->is_interface()) return NULL; | |
655 | |
656 // return mirror for superclass | |
657 klassOop super = Klass::cast(k)->java_super(); | |
658 // super2 is the value computed by the compiler's getSuperClass intrinsic: | |
659 debug_only(klassOop super2 = ( Klass::cast(k)->oop_is_javaArray() | |
1142 | 660 ? SystemDictionary::Object_klass() |
0 | 661 : Klass::cast(k)->super() ) ); |
662 assert(super == super2, | |
663 "java_super computation depends on interface, array, other super"); | |
664 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(Klass::cast(super)->java_mirror()); | |
665 return obj; | |
666 JNI_END | |
667 | |
668 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
669 JNIWrapper("IsSubclassOf"); | |
4006 | 670 #ifndef USDT2 |
0 | 671 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
4006 | 672 #else /* USDT2 */ |
673 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
674 env, sub, super); | |
675 #endif /* USDT2 */ | |
0 | 676 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
677 oop super_mirror = JNIHandles::resolve_non_null(super); | |
678 if (java_lang_Class::is_primitive(sub_mirror) || | |
679 java_lang_Class::is_primitive(super_mirror)) { | |
680 jboolean ret = (sub_mirror == super_mirror); | |
4006 | 681 #ifndef USDT2 |
0 | 682 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 683 #else /* USDT2 */ |
684 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
685 ret); | |
686 #endif /* USDT2 */ | |
0 | 687 return ret; |
688 } | |
689 klassOop sub_klass = java_lang_Class::as_klassOop(sub_mirror); | |
690 klassOop super_klass = java_lang_Class::as_klassOop(super_mirror); | |
691 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); | |
692 jboolean ret = Klass::cast(sub_klass)->is_subtype_of(super_klass) ? | |
693 JNI_TRUE : JNI_FALSE; | |
4006 | 694 #ifndef USDT2 |
0 | 695 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 696 #else /* USDT2 */ |
697 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
698 ret); | |
699 #endif /* USDT2 */ | |
0 | 700 return ret; |
701 JNI_END | |
702 | |
4006 | 703 #ifndef USDT2 |
0 | 704 DT_RETURN_MARK_DECL(Throw, jint); |
4006 | 705 #else /* USDT2 */ |
706 DT_RETURN_MARK_DECL(Throw, jint | |
707 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
708 #endif /* USDT2 */ | |
0 | 709 |
710 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
711 JNIWrapper("Throw"); | |
4006 | 712 #ifndef USDT2 |
0 | 713 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
4006 | 714 #else /* USDT2 */ |
715 HOTSPOT_JNI_THROW_ENTRY( | |
716 env, obj); | |
717 #endif /* USDT2 */ | |
0 | 718 jint ret = JNI_OK; |
719 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
720 | |
721 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
722 ShouldNotReachHere(); | |
723 JNI_END | |
724 | |
4006 | 725 #ifndef USDT2 |
0 | 726 DT_RETURN_MARK_DECL(ThrowNew, jint); |
4006 | 727 #else /* USDT2 */ |
728 DT_RETURN_MARK_DECL(ThrowNew, jint | |
729 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
730 #endif /* USDT2 */ | |
0 | 731 |
732 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
733 JNIWrapper("ThrowNew"); | |
4006 | 734 #ifndef USDT2 |
0 | 735 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
4006 | 736 #else /* USDT2 */ |
737 HOTSPOT_JNI_THROWNEW_ENTRY( | |
738 env, clazz, (char *) message); | |
739 #endif /* USDT2 */ | |
0 | 740 jint ret = JNI_OK; |
741 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
742 | |
743 instanceKlass* k = instanceKlass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
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744 Symbol* name = k->name(); |
0 | 745 Handle class_loader (THREAD, k->class_loader()); |
746 Handle protection_domain (THREAD, k->protection_domain()); | |
747 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
748 ShouldNotReachHere(); | |
749 JNI_END | |
750 | |
751 | |
752 // JNI functions only transform a pending async exception to a synchronous | |
753 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
754 // delivering an async exception in other places won't change the native | |
755 // code's control flow and would be harmful when native code further calls | |
756 // JNI functions with a pending exception. Async exception is also checked | |
757 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
758 // false but deliver the async exception at the very end during | |
759 // state transition. | |
760 | |
761 static void jni_check_async_exceptions(JavaThread *thread) { | |
762 assert(thread == Thread::current(), "must be itself"); | |
763 thread->check_and_handle_async_exceptions(); | |
764 } | |
765 | |
766 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
767 JNIWrapper("ExceptionOccurred"); | |
4006 | 768 #ifndef USDT2 |
0 | 769 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
4006 | 770 #else /* USDT2 */ |
771 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
772 env); | |
773 #endif /* USDT2 */ | |
0 | 774 jni_check_async_exceptions(thread); |
775 oop exception = thread->pending_exception(); | |
776 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
4006 | 777 #ifndef USDT2 |
0 | 778 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
4006 | 779 #else /* USDT2 */ |
780 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
781 ret); | |
782 #endif /* USDT2 */ | |
0 | 783 return ret; |
784 JNI_END | |
785 | |
786 | |
787 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
788 JNIWrapper("ExceptionDescribe"); | |
4006 | 789 #ifndef USDT2 |
0 | 790 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
4006 | 791 #else /* USDT2 */ |
792 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
793 env); | |
794 #endif /* USDT2 */ | |
0 | 795 if (thread->has_pending_exception()) { |
796 Handle ex(thread, thread->pending_exception()); | |
797 thread->clear_pending_exception(); | |
1142 | 798 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
0 | 799 // Don't print anything if we are being killed. |
800 } else { | |
801 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
802 if (thread != NULL && thread->threadObj() != NULL) { | |
803 ResourceMark rm(THREAD); | |
804 jio_fprintf(defaultStream::error_stream(), | |
805 "in thread \"%s\" ", thread->get_thread_name()); | |
806 } | |
1142 | 807 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
0 | 808 JavaValue result(T_VOID); |
809 JavaCalls::call_virtual(&result, | |
810 ex, | |
811 KlassHandle(THREAD, | |
1142 | 812 SystemDictionary::Throwable_klass()), |
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813 vmSymbols::printStackTrace_name(), |
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814 vmSymbols::void_method_signature(), |
0 | 815 THREAD); |
816 // If an exception is thrown in the call it gets thrown away. Not much | |
817 // we can do with it. The native code that calls this, does not check | |
818 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
819 // called, potentially causing a few asserts to trigger - since no pending exception | |
820 // is expected. | |
821 CLEAR_PENDING_EXCEPTION; | |
822 } else { | |
823 ResourceMark rm(THREAD); | |
824 jio_fprintf(defaultStream::error_stream(), | |
825 ". Uncaught exception of type %s.", | |
826 Klass::cast(ex->klass())->external_name()); | |
827 } | |
828 } | |
829 } | |
4006 | 830 #ifndef USDT2 |
0 | 831 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
4006 | 832 #else /* USDT2 */ |
833 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
834 ); | |
835 #endif /* USDT2 */ | |
0 | 836 JNI_END |
837 | |
838 | |
839 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
840 JNIWrapper("ExceptionClear"); | |
4006 | 841 #ifndef USDT2 |
0 | 842 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
4006 | 843 #else /* USDT2 */ |
844 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
845 env); | |
846 #endif /* USDT2 */ | |
0 | 847 |
848 // The jni code might be using this API to clear java thrown exception. | |
849 // So just mark jvmti thread exception state as exception caught. | |
850 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
851 if (state != NULL && state->is_exception_detected()) { | |
852 state->set_exception_caught(); | |
853 } | |
854 thread->clear_pending_exception(); | |
4006 | 855 #ifndef USDT2 |
0 | 856 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
4006 | 857 #else /* USDT2 */ |
858 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
859 ); | |
860 #endif /* USDT2 */ | |
0 | 861 JNI_END |
862 | |
863 | |
864 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
865 JNIWrapper("FatalError"); | |
4006 | 866 #ifndef USDT2 |
0 | 867 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
4006 | 868 #else /* USDT2 */ |
869 HOTSPOT_JNI_FATALERROR_ENTRY( | |
870 env, (char *) msg); | |
871 #endif /* USDT2 */ | |
0 | 872 tty->print_cr("FATAL ERROR in native method: %s", msg); |
873 thread->print_stack(); | |
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874 os::abort(); // Dump core and abort |
0 | 875 JNI_END |
876 | |
877 | |
878 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
879 JNIWrapper("PushLocalFrame"); | |
4006 | 880 #ifndef USDT2 |
0 | 881 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
4006 | 882 #else /* USDT2 */ |
883 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
884 env, capacity); | |
885 #endif /* USDT2 */ | |
0 | 886 //%note jni_11 |
887 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
4006 | 888 #ifndef USDT2 |
0 | 889 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
4006 | 890 #else /* USDT2 */ |
891 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
892 (uint32_t)JNI_ERR); | |
893 #endif /* USDT2 */ | |
0 | 894 return JNI_ERR; |
895 } | |
896 JNIHandleBlock* old_handles = thread->active_handles(); | |
897 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
898 assert(new_handles != NULL, "should not be NULL"); | |
899 new_handles->set_pop_frame_link(old_handles); | |
900 thread->set_active_handles(new_handles); | |
901 jint ret = JNI_OK; | |
4006 | 902 #ifndef USDT2 |
0 | 903 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
4006 | 904 #else /* USDT2 */ |
905 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
906 ret); | |
907 #endif /* USDT2 */ | |
0 | 908 return ret; |
909 JNI_END | |
910 | |
911 | |
912 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
913 JNIWrapper("PopLocalFrame"); | |
4006 | 914 #ifndef USDT2 |
0 | 915 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
4006 | 916 #else /* USDT2 */ |
917 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
918 env, result); | |
919 #endif /* USDT2 */ | |
0 | 920 //%note jni_11 |
921 Handle result_handle(thread, JNIHandles::resolve(result)); | |
922 JNIHandleBlock* old_handles = thread->active_handles(); | |
923 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
924 if (new_handles != NULL) { | |
925 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
926 // This way code will still work if PopLocalFrame is called without a corresponding | |
927 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
928 // the release_block call will release the blocks. | |
929 thread->set_active_handles(new_handles); | |
930 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
931 JNIHandleBlock::release_block(old_handles, thread); // may block | |
932 result = JNIHandles::make_local(thread, result_handle()); | |
933 } | |
4006 | 934 #ifndef USDT2 |
0 | 935 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
4006 | 936 #else /* USDT2 */ |
937 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
938 result); | |
939 #endif /* USDT2 */ | |
0 | 940 return result; |
941 JNI_END | |
942 | |
943 | |
944 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
945 JNIWrapper("NewGlobalRef"); | |
4006 | 946 #ifndef USDT2 |
0 | 947 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
4006 | 948 #else /* USDT2 */ |
949 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
950 env, ref); | |
951 #endif /* USDT2 */ | |
0 | 952 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
953 jobject ret = JNIHandles::make_global(ref_handle); | |
4006 | 954 #ifndef USDT2 |
0 | 955 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
4006 | 956 #else /* USDT2 */ |
957 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
958 ret); | |
959 #endif /* USDT2 */ | |
0 | 960 return ret; |
961 JNI_END | |
962 | |
963 // Must be JNI_ENTRY (with HandleMark) | |
964 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
965 JNIWrapper("DeleteGlobalRef"); | |
4006 | 966 #ifndef USDT2 |
0 | 967 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
4006 | 968 #else /* USDT2 */ |
969 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
970 env, ref); | |
971 #endif /* USDT2 */ | |
0 | 972 JNIHandles::destroy_global(ref); |
4006 | 973 #ifndef USDT2 |
0 | 974 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
4006 | 975 #else /* USDT2 */ |
976 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
977 ); | |
978 #endif /* USDT2 */ | |
0 | 979 JNI_END |
980 | |
981 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
982 JNIWrapper("DeleteLocalRef"); | |
4006 | 983 #ifndef USDT2 |
0 | 984 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
4006 | 985 #else /* USDT2 */ |
986 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
987 env, obj); | |
988 #endif /* USDT2 */ | |
0 | 989 JNIHandles::destroy_local(obj); |
4006 | 990 #ifndef USDT2 |
0 | 991 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
4006 | 992 #else /* USDT2 */ |
993 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
994 ); | |
995 #endif /* USDT2 */ | |
0 | 996 JNI_END |
997 | |
998 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
999 JNIWrapper("IsSameObject"); | |
4006 | 1000 #ifndef USDT2 |
0 | 1001 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
4006 | 1002 #else /* USDT2 */ |
1003 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
1004 env, r1, r2); | |
1005 #endif /* USDT2 */ | |
0 | 1006 oop a = JNIHandles::resolve(r1); |
1007 oop b = JNIHandles::resolve(r2); | |
1008 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
4006 | 1009 #ifndef USDT2 |
0 | 1010 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
4006 | 1011 #else /* USDT2 */ |
1012 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
1013 ret); | |
1014 #endif /* USDT2 */ | |
0 | 1015 return ret; |
1016 JNI_END | |
1017 | |
1018 | |
1019 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
1020 JNIWrapper("NewLocalRef"); | |
4006 | 1021 #ifndef USDT2 |
0 | 1022 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
4006 | 1023 #else /* USDT2 */ |
1024 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
1025 env, ref); | |
1026 #endif /* USDT2 */ | |
0 | 1027 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
4006 | 1028 #ifndef USDT2 |
0 | 1029 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
4006 | 1030 #else /* USDT2 */ |
1031 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
1032 ret); | |
1033 #endif /* USDT2 */ | |
0 | 1034 return ret; |
1035 JNI_END | |
1036 | |
1037 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
1038 JNIWrapper("EnsureLocalCapacity"); | |
4006 | 1039 #ifndef USDT2 |
0 | 1040 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
4006 | 1041 #else /* USDT2 */ |
1042 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
1043 env, capacity); | |
1044 #endif /* USDT2 */ | |
0 | 1045 jint ret; |
1046 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
1047 ret = JNI_OK; | |
1048 } else { | |
1049 ret = JNI_ERR; | |
1050 } | |
4006 | 1051 #ifndef USDT2 |
0 | 1052 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
4006 | 1053 #else /* USDT2 */ |
1054 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
1055 ret); | |
1056 #endif /* USDT2 */ | |
0 | 1057 return ret; |
1058 JNI_END | |
1059 | |
1060 // Return the Handle Type | |
1061 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
1062 JNIWrapper("GetObjectRefType"); | |
4006 | 1063 #ifndef USDT2 |
0 | 1064 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
4006 | 1065 #else /* USDT2 */ |
1066 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
1067 env, obj); | |
1068 #endif /* USDT2 */ | |
0 | 1069 jobjectRefType ret; |
1070 if (JNIHandles::is_local_handle(thread, obj) || | |
1071 JNIHandles::is_frame_handle(thread, obj)) | |
1072 ret = JNILocalRefType; | |
1073 else if (JNIHandles::is_global_handle(obj)) | |
1074 ret = JNIGlobalRefType; | |
1075 else if (JNIHandles::is_weak_global_handle(obj)) | |
1076 ret = JNIWeakGlobalRefType; | |
1077 else | |
1078 ret = JNIInvalidRefType; | |
4006 | 1079 #ifndef USDT2 |
0 | 1080 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
4006 | 1081 #else /* USDT2 */ |
1082 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
1083 (void *) ret); | |
1084 #endif /* USDT2 */ | |
0 | 1085 return ret; |
1086 JNI_END | |
1087 | |
1088 | |
1089 class JNI_ArgumentPusher : public SignatureIterator { | |
1090 protected: | |
1091 JavaCallArguments* _arguments; | |
1092 | |
1093 virtual void get_bool () = 0; | |
1094 virtual void get_char () = 0; | |
1095 virtual void get_short () = 0; | |
1096 virtual void get_byte () = 0; | |
1097 virtual void get_int () = 0; | |
1098 virtual void get_long () = 0; | |
1099 virtual void get_float () = 0; | |
1100 virtual void get_double () = 0; | |
1101 virtual void get_object () = 0; | |
1102 | |
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1103 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
0 | 1104 this->_return_type = T_ILLEGAL; |
1105 _arguments = NULL; | |
1106 } | |
1107 | |
1108 public: | |
1109 virtual void iterate( uint64_t fingerprint ) = 0; | |
1110 | |
1111 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
1112 | |
1113 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
1114 inline void do_char() { if (!is_return_type()) get_char(); } | |
1115 inline void do_short() { if (!is_return_type()) get_short(); } | |
1116 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
1117 inline void do_int() { if (!is_return_type()) get_int(); } | |
1118 inline void do_long() { if (!is_return_type()) get_long(); } | |
1119 inline void do_float() { if (!is_return_type()) get_float(); } | |
1120 inline void do_double() { if (!is_return_type()) get_double(); } | |
1121 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
1122 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
1123 inline void do_void() { } | |
1124 | |
1125 JavaCallArguments* arguments() { return _arguments; } | |
1126 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
1127 }; | |
1128 | |
1129 | |
1130 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
1131 protected: | |
1132 va_list _ap; | |
1133 | |
1134 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
1135 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
1136 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
1137 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
1138 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
1139 | |
1140 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
1141 | |
1142 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
1143 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
1144 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
1145 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
1146 _arguments->push_oop(Handle((oop *)l, false)); } | |
1147 | |
1148 inline void set_ap(va_list rap) { | |
1149 #ifdef va_copy | |
1150 va_copy(_ap, rap); | |
1151 #elif defined (__va_copy) | |
1152 __va_copy(_ap, rap); | |
1153 #else | |
1154 _ap = rap; | |
1155 #endif | |
1156 } | |
1157 | |
1158 public: | |
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1159 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1160 : JNI_ArgumentPusher(signature) { |
0 | 1161 set_ap(rap); |
1162 } | |
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1163 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1164 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
0 | 1165 set_ap(rap); |
1166 } | |
1167 | |
1168 // Optimized path if we have the bitvector form of signature | |
1169 void iterate( uint64_t fingerprint ) { | |
1170 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
1171 else { | |
1172 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1173 result_feature_mask); | |
1174 | |
1175 assert(fingerprint, "Fingerprint should not be 0"); | |
1176 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1177 while ( 1 ) { | |
1178 switch ( fingerprint & parameter_feature_mask ) { | |
1179 case bool_parm: | |
1180 case char_parm: | |
1181 case short_parm: | |
1182 case byte_parm: | |
1183 case int_parm: | |
1184 get_int(); | |
1185 break; | |
1186 case obj_parm: | |
1187 get_object(); | |
1188 break; | |
1189 case long_parm: | |
1190 get_long(); | |
1191 break; | |
1192 case float_parm: | |
1193 get_float(); | |
1194 break; | |
1195 case double_parm: | |
1196 get_double(); | |
1197 break; | |
1198 case done_parm: | |
1199 return; | |
1200 break; | |
1201 default: | |
1202 ShouldNotReachHere(); | |
1203 break; | |
1204 } | |
1205 fingerprint >>= parameter_feature_size; | |
1206 } | |
1207 } | |
1208 } | |
1209 }; | |
1210 | |
1211 | |
1212 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
1213 protected: | |
1214 const jvalue *_ap; | |
1215 | |
1216 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
1217 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
1218 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
1219 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
1220 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
1221 | |
1222 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
1223 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
1224 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
1225 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
1226 | |
1227 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
1228 | |
1229 public: | |
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1230 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1231 : JNI_ArgumentPusher(signature) { |
0 | 1232 set_ap(rap); |
1233 } | |
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1234 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1235 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
0 | 1236 set_ap(rap); |
1237 } | |
1238 | |
1239 // Optimized path if we have the bitvector form of signature | |
1240 void iterate( uint64_t fingerprint ) { | |
1241 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
1242 else { | |
1243 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1244 result_feature_mask); | |
1245 assert(fingerprint, "Fingerprint should not be 0"); | |
1246 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1247 while ( 1 ) { | |
1248 switch ( fingerprint & parameter_feature_mask ) { | |
1249 case bool_parm: | |
1250 get_bool(); | |
1251 break; | |
1252 case char_parm: | |
1253 get_char(); | |
1254 break; | |
1255 case short_parm: | |
1256 get_short(); | |
1257 break; | |
1258 case byte_parm: | |
1259 get_byte(); | |
1260 break; | |
1261 case int_parm: | |
1262 get_int(); | |
1263 break; | |
1264 case obj_parm: | |
1265 get_object(); | |
1266 break; | |
1267 case long_parm: | |
1268 get_long(); | |
1269 break; | |
1270 case float_parm: | |
1271 get_float(); | |
1272 break; | |
1273 case double_parm: | |
1274 get_double(); | |
1275 break; | |
1276 case done_parm: | |
1277 return; | |
1278 break; | |
1279 default: | |
1280 ShouldNotReachHere(); | |
1281 break; | |
1282 } | |
1283 fingerprint >>= parameter_feature_size; | |
1284 } | |
1285 } | |
1286 } | |
1287 }; | |
1288 | |
1289 | |
1290 enum JNICallType { | |
1291 JNI_STATIC, | |
1292 JNI_VIRTUAL, | |
1293 JNI_NONVIRTUAL | |
1294 }; | |
1295 | |
1296 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
1297 assert(!method.is_null() , "method should not be null"); | |
1298 | |
1299 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
1300 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
1301 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1302 Symbol* name = method->name(); |
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1303 Symbol* signature = method->signature(); |
0 | 1304 CallInfo info; |
1305 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
1306 return info.selected_method(); | |
1307 } | |
1308 | |
1309 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
1310 assert(!method.is_null() , "method should not be null"); | |
1311 | |
1312 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
1313 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
1314 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1315 Symbol* name = method->name(); |
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1316 Symbol* signature = method->signature(); |
0 | 1317 CallInfo info; |
1318 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
1319 return info.selected_method(); | |
1320 } | |
1321 | |
1322 | |
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1323 static bool first_time_InvokeMain = true; |
0 | 1324 |
1325 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1326 methodHandle method(THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
1327 | |
1328 // Create object to hold arguments for the JavaCall, and associate it with | |
1329 // the jni parser | |
1330 ResourceMark rm(THREAD); | |
1331 int number_of_parameters = method->size_of_parameters(); | |
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1332 |
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1333 // Invoke the method. Result is returned as oop. |
0 | 1334 JavaCallArguments java_args(number_of_parameters); |
1335 args->set_java_argument_object(&java_args); | |
1336 | |
1337 assert(method->is_static(), "method should be static"); | |
1338 | |
1339 // Fill out JavaCallArguments object | |
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1340 args->iterate( Fingerprinter(method).fingerprint() ); |
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1341 // Initialize result type (must be done after args->iterate()) |
0 | 1342 result->set_type(args->get_ret_type()); |
1343 | |
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1344 #ifdef HIGH_LEVEL_INTERPRETER |
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1345 // TODO (chaeubl): this is quite a hack. The launcher should take care about that instead. |
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1346 bool invoked_main_method = false; |
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1347 if (HighLevelInterpreterClass != NULL && first_time_InvokeMain && method->name() == vmSymbols::main_name() && method->result_type() == T_VOID) { |
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1348 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
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1349 JavaThread* thread = (JavaThread*)THREAD; |
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1350 first_time_InvokeMain = false; |
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1351 invoked_main_method = true; |
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1352 thread->set_high_level_interpreter_in_vm(true); |
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1353 } |
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1354 #endif |
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1355 |
0 | 1356 JavaCalls::call(result, method, &java_args, CHECK); |
1357 | |
1358 // Convert result | |
1359 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1360 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1361 } | |
5747
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1362 |
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1363 #ifdef HIGH_LEVEL_INTERPRETER |
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1364 if (invoked_main_method) { |
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1365 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
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1366 JavaThread* thread = (JavaThread*)THREAD; |
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1367 thread->set_high_level_interpreter_in_vm(false); |
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1368 } |
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1369 #endif |
0 | 1370 } |
1371 | |
1372 | |
1373 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1374 oop recv = JNIHandles::resolve(receiver); | |
1375 if (recv == NULL) { | |
1376 THROW(vmSymbols::java_lang_NullPointerException()); | |
1377 } | |
1378 Handle h_recv(THREAD, recv); | |
1379 | |
1380 int number_of_parameters; | |
1381 methodOop selected_method; | |
1382 { | |
1383 methodOop m = JNIHandles::resolve_jmethod_id(method_id); | |
1384 number_of_parameters = m->size_of_parameters(); | |
1385 klassOop holder = m->method_holder(); | |
1386 if (!(Klass::cast(holder))->is_interface()) { | |
1387 // non-interface call -- for that little speed boost, don't handlize | |
1388 debug_only(No_Safepoint_Verifier nosafepoint;) | |
1389 if (call_type == JNI_VIRTUAL) { | |
1390 // jni_GetMethodID makes sure class is linked and initialized | |
1391 // so m should have a valid vtable index. | |
1392 int vtbl_index = m->vtable_index(); | |
1393 if (vtbl_index != methodOopDesc::nonvirtual_vtable_index) { | |
1394 klassOop k = h_recv->klass(); | |
1395 // k might be an arrayKlassOop but all vtables start at | |
1396 // the same place. The cast is to avoid virtual call and assertion. | |
1397 instanceKlass *ik = (instanceKlass*)k->klass_part(); | |
1398 selected_method = ik->method_at_vtable(vtbl_index); | |
1399 } else { | |
1400 // final method | |
1401 selected_method = m; | |
1402 } | |
1403 } else { | |
1404 // JNI_NONVIRTUAL call | |
1405 selected_method = m; | |
1406 } | |
1407 } else { | |
1408 // interface call | |
1409 KlassHandle h_holder(THREAD, holder); | |
1410 | |
1411 int itbl_index = m->cached_itable_index(); | |
1412 if (itbl_index == -1) { | |
1413 itbl_index = klassItable::compute_itable_index(m); | |
1414 m->set_cached_itable_index(itbl_index); | |
1415 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
1416 } | |
1417 klassOop k = h_recv->klass(); | |
1418 selected_method = instanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
1419 } | |
1420 } | |
1421 | |
1422 methodHandle method(THREAD, selected_method); | |
1423 | |
1424 // Create object to hold arguments for the JavaCall, and associate it with | |
1425 // the jni parser | |
1426 ResourceMark rm(THREAD); | |
1427 JavaCallArguments java_args(number_of_parameters); | |
1428 args->set_java_argument_object(&java_args); | |
1429 | |
1430 // handle arguments | |
1431 assert(!method->is_static(), "method should not be static"); | |
1432 args->push_receiver(h_recv); // Push jobject handle | |
1433 | |
1434 // Fill out JavaCallArguments object | |
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1435 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1436 // Initialize result type |
1437 result->set_type(args->get_ret_type()); | |
1438 | |
1439 // Invoke the method. Result is returned as oop. | |
1440 JavaCalls::call(result, method, &java_args, CHECK); | |
1441 | |
1442 // Convert result | |
1443 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1444 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1445 } | |
1446 } | |
1447 | |
1448 | |
1449 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
1450 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
1451 Klass::cast(k())->check_valid_for_instantiation(false, CHECK_NULL); | |
1452 instanceKlass::cast(k())->initialize(CHECK_NULL); | |
1453 instanceOop ih = instanceKlass::cast(k())->allocate_instance(THREAD); | |
1454 return ih; | |
1455 } | |
1456 | |
4006 | 1457 #ifndef USDT2 |
0 | 1458 DT_RETURN_MARK_DECL(AllocObject, jobject); |
4006 | 1459 #else /* USDT2 */ |
1460 DT_RETURN_MARK_DECL(AllocObject, jobject | |
1461 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
1462 #endif /* USDT2 */ | |
0 | 1463 |
1464 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
1465 JNIWrapper("AllocObject"); | |
1466 | |
4006 | 1467 #ifndef USDT2 |
0 | 1468 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
4006 | 1469 #else /* USDT2 */ |
1470 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
1471 env, clazz); | |
1472 #endif /* USDT2 */ | |
0 | 1473 jobject ret = NULL; |
1474 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
1475 | |
1476 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1477 ret = JNIHandles::make_local(env, i); | |
1478 return ret; | |
1479 JNI_END | |
1480 | |
4006 | 1481 #ifndef USDT2 |
0 | 1482 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
4006 | 1483 #else /* USDT2 */ |
1484 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
1485 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
1486 #endif /* USDT2 */ | |
0 | 1487 |
1488 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
1489 JNIWrapper("NewObjectA"); | |
4006 | 1490 #ifndef USDT2 |
0 | 1491 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
4006 | 1492 #else /* USDT2 */ |
1493 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
1494 env, clazz, (uintptr_t) methodID); | |
1495 #endif /* USDT2 */ | |
0 | 1496 jobject obj = NULL; |
1497 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
1498 | |
1499 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1500 obj = JNIHandles::make_local(env, i); | |
1501 JavaValue jvalue(T_VOID); | |
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1502 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1503 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1504 return obj; | |
1505 JNI_END | |
1506 | |
4006 | 1507 #ifndef USDT2 |
0 | 1508 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
4006 | 1509 #else /* USDT2 */ |
1510 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
1511 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
1512 #endif /* USDT2 */ | |
0 | 1513 |
1514 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
1515 JNIWrapper("NewObjectV"); | |
4006 | 1516 #ifndef USDT2 |
0 | 1517 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
4006 | 1518 #else /* USDT2 */ |
1519 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
1520 env, clazz, (uintptr_t) methodID); | |
1521 #endif /* USDT2 */ | |
0 | 1522 jobject obj = NULL; |
1523 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
1524 | |
1525 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1526 obj = JNIHandles::make_local(env, i); | |
1527 JavaValue jvalue(T_VOID); | |
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1528 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1529 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1530 return obj; | |
1531 JNI_END | |
1532 | |
4006 | 1533 #ifndef USDT2 |
0 | 1534 DT_RETURN_MARK_DECL(NewObject, jobject); |
4006 | 1535 #else /* USDT2 */ |
1536 DT_RETURN_MARK_DECL(NewObject, jobject | |
1537 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
1538 #endif /* USDT2 */ | |
0 | 1539 |
1540 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
1541 JNIWrapper("NewObject"); | |
4006 | 1542 #ifndef USDT2 |
0 | 1543 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
4006 | 1544 #else /* USDT2 */ |
1545 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
1546 env, clazz, (uintptr_t) methodID); | |
1547 #endif /* USDT2 */ | |
0 | 1548 jobject obj = NULL; |
1549 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
1550 | |
1551 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1552 obj = JNIHandles::make_local(env, i); | |
1553 va_list args; | |
1554 va_start(args, methodID); | |
1555 JavaValue jvalue(T_VOID); | |
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1556 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1557 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1558 va_end(args); | |
1559 return obj; | |
1560 JNI_END | |
1561 | |
1562 | |
1563 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
1564 JNIWrapper("GetObjectClass"); | |
4006 | 1565 #ifndef USDT2 |
0 | 1566 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
4006 | 1567 #else /* USDT2 */ |
1568 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
1569 env, obj); | |
1570 #endif /* USDT2 */ | |
0 | 1571 klassOop k = JNIHandles::resolve_non_null(obj)->klass(); |
1572 jclass ret = | |
1573 (jclass) JNIHandles::make_local(env, Klass::cast(k)->java_mirror()); | |
4006 | 1574 #ifndef USDT2 |
0 | 1575 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
4006 | 1576 #else /* USDT2 */ |
1577 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
1578 ret); | |
1579 #endif /* USDT2 */ | |
0 | 1580 return ret; |
1581 JNI_END | |
1582 | |
1583 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
1584 JNIWrapper("IsInstanceOf"); | |
4006 | 1585 #ifndef USDT2 |
0 | 1586 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
4006 | 1587 #else /* USDT2 */ |
1588 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
1589 env, obj, clazz); | |
1590 #endif /* USDT2 */ | |
0 | 1591 jboolean ret = JNI_TRUE; |
1592 if (obj != NULL) { | |
1593 ret = JNI_FALSE; | |
1594 klassOop k = java_lang_Class::as_klassOop( | |
1595 JNIHandles::resolve_non_null(clazz)); | |
1596 if (k != NULL) { | |
1597 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
1598 } | |
1599 } | |
4006 | 1600 #ifndef USDT2 |
0 | 1601 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
4006 | 1602 #else /* USDT2 */ |
1603 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
1604 ret); | |
1605 #endif /* USDT2 */ | |
0 | 1606 return ret; |
1607 JNI_END | |
1608 | |
1609 | |
1610 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
1611 const char *sig, bool is_static, TRAPS) { | |
1612 // %%%% This code should probably just call into a method in the LinkResolver | |
1613 // | |
1614 // The class should have been loaded (we have an instance of the class | |
1615 // passed in) so the method and signature should already be in the symbol | |
1616 // table. If they're not there, the method doesn't exist. | |
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1617 const char *name_to_probe = (name_str == NULL) |
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1618 ? vmSymbols::object_initializer_name()->as_C_string() |
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1619 : name_str; |
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1620 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1621 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1622 |
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1623 if (name == NULL || signature == NULL) { |
0 | 1624 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
1625 } | |
1626 | |
1627 // Throw a NoSuchMethodError exception if we have an instance of a | |
1628 // primitive java.lang.Class | |
1629 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
1630 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1631 } | |
1632 | |
1633 KlassHandle klass(THREAD, | |
1634 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
1635 | |
1636 // Make sure class is linked and initialized before handing id's out to | |
1637 // methodOops. | |
1638 Klass::cast(klass())->initialize(CHECK_NULL); | |
1639 | |
1640 methodOop m; | |
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1641 if (name == vmSymbols::object_initializer_name() || |
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1642 name == vmSymbols::class_initializer_name()) { |
0 | 1643 // Never search superclasses for constructors |
1644 if (klass->oop_is_instance()) { | |
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1645 m = instanceKlass::cast(klass())->find_method(name, signature); |
0 | 1646 } else { |
1647 m = NULL; | |
1648 } | |
1649 } else { | |
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1650 m = klass->lookup_method(name, signature); |
0 | 1651 // Look up interfaces |
1652 if (m == NULL && klass->oop_is_instance()) { | |
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1653 m = instanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1654 signature); |
0 | 1655 } |
1656 } | |
1657 if (m == NULL || (m->is_static() != is_static)) { | |
1658 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1659 } | |
1660 return m->jmethod_id(); | |
1661 } | |
1662 | |
1663 | |
1664 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
1665 const char *name, const char *sig)) | |
1666 JNIWrapper("GetMethodID"); | |
4006 | 1667 #ifndef USDT2 |
0 | 1668 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
4006 | 1669 #else /* USDT2 */ |
1670 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
1671 env, clazz, (char *) name, (char *) sig); | |
1672 #endif /* USDT2 */ | |
0 | 1673 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
4006 | 1674 #ifndef USDT2 |
0 | 1675 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
4006 | 1676 #else /* USDT2 */ |
1677 HOTSPOT_JNI_GETMETHODID_RETURN( | |
1678 (uintptr_t) ret); | |
1679 #endif /* USDT2 */ | |
0 | 1680 return ret; |
1681 JNI_END | |
1682 | |
1683 | |
1684 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
1685 const char *name, const char *sig)) | |
1686 JNIWrapper("GetStaticMethodID"); | |
4006 | 1687 #ifndef USDT2 |
0 | 1688 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
4006 | 1689 #else /* USDT2 */ |
1690 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
1691 env, (char *) clazz, (char *) name, (char *)sig); | |
1692 #endif /* USDT2 */ | |
0 | 1693 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
4006 | 1694 #ifndef USDT2 |
0 | 1695 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
4006 | 1696 #else /* USDT2 */ |
1697 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
1698 (uintptr_t) ret); | |
1699 #endif /* USDT2 */ | |
0 | 1700 return ret; |
1701 JNI_END | |
1702 | |
1703 | |
1704 | |
1705 // | |
1706 // Calling Methods | |
1707 // | |
1708 | |
4006 | 1709 #ifndef USDT2 |
0 | 1710 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
1711 \ | |
1712 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
1713 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
1714 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
1715 \ | |
1716 JNI_ENTRY(ResultType, \ | |
1717 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1718 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1719 \ | |
4006 | 1720 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
0 | 1721 ResultType ret = 0;\ |
1722 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1723 (const ResultType&)ret);\ | |
1724 \ | |
1725 va_list args; \ | |
1726 va_start(args, methodID); \ | |
1727 JavaValue jvalue(Tag); \ | |
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1728 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1729 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1730 va_end(args); \ | |
1731 ret = jvalue.get_##ResultType(); \ | |
1732 return ret;\ | |
1733 JNI_END \ | |
1734 \ | |
1735 \ | |
1736 JNI_ENTRY(ResultType, \ | |
1737 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1738 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1739 \ | |
4006 | 1740 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
0 | 1741 ResultType ret = 0;\ |
1742 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1743 (const ResultType&)ret);\ | |
1744 \ | |
1745 JavaValue jvalue(Tag); \ | |
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1746 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1747 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1748 ret = jvalue.get_##ResultType(); \ | |
1749 return ret;\ | |
1750 JNI_END \ | |
1751 \ | |
1752 \ | |
1753 JNI_ENTRY(ResultType, \ | |
1754 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1755 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
4006 | 1756 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
0 | 1757 ResultType ret = 0;\ |
1758 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1759 (const ResultType&)ret);\ | |
1760 \ | |
1761 JavaValue jvalue(Tag); \ | |
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1762 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 1763 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1764 ret = jvalue.get_##ResultType(); \ | |
1765 return ret;\ | |
1766 JNI_END | |
1767 | |
1768 // the runtime type of subword integral basic types is integer | |
1769 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
1770 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
1771 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
1772 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
1773 | |
1774 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
1775 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
1776 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
1777 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
1778 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
1779 | |
1780 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
1781 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
1782 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
1783 | |
4006 | 1784 #else /* USDT2 */ |
1785 | |
1786 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
1787 , EntryProbe, ReturnProbe) \ | |
1788 \ | |
1789 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
1790 , ReturnProbe); \ | |
1791 \ | |
1792 JNI_ENTRY(ResultType, \ | |
1793 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1794 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1795 \ | |
1796 EntryProbe; \ | |
1797 ResultType ret = 0;\ | |
1798 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1799 (const ResultType&)ret);\ | |
1800 \ | |
1801 va_list args; \ | |
1802 va_start(args, methodID); \ | |
1803 JavaValue jvalue(Tag); \ | |
1804 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1805 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1806 va_end(args); \ | |
1807 ret = jvalue.get_##ResultType(); \ | |
1808 return ret;\ | |
1809 JNI_END | |
1810 | |
1811 // the runtime type of subword integral basic types is integer | |
1812 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
1813 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1814 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1815 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
1816 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1817 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1818 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
1819 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1820 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1821 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
1822 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1823 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1824 | |
1825 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
1826 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1827 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1828 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
1829 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1830 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1831 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
1832 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1833 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1834 // Float and double probes don't return value because dtrace doesn't currently support it | |
1835 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
1836 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1837 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1838 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
1839 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1840 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1841 | |
1842 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
1843 , EntryProbe, ReturnProbe) \ | |
1844 \ | |
1845 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
1846 , ReturnProbe); \ | |
1847 \ | |
1848 JNI_ENTRY(ResultType, \ | |
1849 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1850 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1851 \ | |
1852 EntryProbe;\ | |
1853 ResultType ret = 0;\ | |
1854 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1855 (const ResultType&)ret);\ | |
1856 \ | |
1857 JavaValue jvalue(Tag); \ | |
1858 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1859 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1860 ret = jvalue.get_##ResultType(); \ | |
1861 return ret;\ | |
1862 JNI_END | |
1863 | |
1864 // the runtime type of subword integral basic types is integer | |
1865 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
1866 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1867 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1868 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
1869 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1870 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1871 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
1872 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1873 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1874 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
1875 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1876 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1877 | |
1878 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
1879 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1880 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1881 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
1882 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1883 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1884 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
1885 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1886 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1887 // Float and double probes don't return value because dtrace doesn't currently support it | |
1888 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
1889 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1890 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1891 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
1892 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1893 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1894 | |
1895 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
1896 , EntryProbe, ReturnProbe) \ | |
1897 \ | |
1898 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
1899 , ReturnProbe); \ | |
1900 \ | |
1901 JNI_ENTRY(ResultType, \ | |
1902 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1903 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
1904 EntryProbe; \ | |
1905 ResultType ret = 0;\ | |
1906 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1907 (const ResultType&)ret);\ | |
1908 \ | |
1909 JavaValue jvalue(Tag); \ | |
1910 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1911 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1912 ret = jvalue.get_##ResultType(); \ | |
1913 return ret;\ | |
1914 JNI_END | |
1915 | |
1916 // the runtime type of subword integral basic types is integer | |
1917 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
1918 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1919 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1920 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
1921 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1922 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1923 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
1924 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1925 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1926 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
1927 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1928 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1929 | |
1930 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
1931 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1932 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1933 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
1934 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1935 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1936 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
1937 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1938 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1939 // Float and double probes don't return value because dtrace doesn't currently support it | |
1940 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
1941 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1942 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1943 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
1944 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1945 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1946 | |
1947 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
1948 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
1949 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
1950 | |
1951 #endif /* USDT2 */ | |
1952 | |
0 | 1953 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
1954 JNIWrapper("CallVoidMethod"); | |
4006 | 1955 #ifndef USDT2 |
0 | 1956 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
4006 | 1957 #else /* USDT2 */ |
1958 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
1959 env, obj, (uintptr_t) methodID); | |
1960 #endif /* USDT2 */ | |
0 | 1961 DT_VOID_RETURN_MARK(CallVoidMethod); |
1962 | |
1963 va_list args; | |
1964 va_start(args, methodID); | |
1965 JavaValue jvalue(T_VOID); | |
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1966 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1967 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1968 va_end(args); | |
1969 JNI_END | |
1970 | |
1971 | |
1972 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
1973 JNIWrapper("CallVoidMethodV"); | |
4006 | 1974 #ifndef USDT2 |
0 | 1975 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
4006 | 1976 #else /* USDT2 */ |
1977 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
1978 env, obj, (uintptr_t) methodID); | |
1979 #endif /* USDT2 */ | |
0 | 1980 DT_VOID_RETURN_MARK(CallVoidMethodV); |
1981 | |
1982 JavaValue jvalue(T_VOID); | |
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1983 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1984 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1985 JNI_END | |
1986 | |
1987 | |
1988 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
1989 JNIWrapper("CallVoidMethodA"); | |
4006 | 1990 #ifndef USDT2 |
0 | 1991 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
4006 | 1992 #else /* USDT2 */ |
1993 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
1994 env, obj, (uintptr_t) methodID); | |
1995 #endif /* USDT2 */ | |
0 | 1996 DT_VOID_RETURN_MARK(CallVoidMethodA); |
1997 | |
1998 JavaValue jvalue(T_VOID); | |
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1999 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2000 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
2001 JNI_END | |
2002 | |
2003 | |
4006 | 2004 #ifndef USDT2 |
0 | 2005 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
2006 \ | |
2007 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
2008 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
2009 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
2010 \ | |
2011 JNI_ENTRY(ResultType, \ | |
2012 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
2013 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
2014 \ | |
2015 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
2016 ResultType ret;\ | |
2017 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
2018 (const ResultType&)ret);\ | |
2019 \ | |
2020 va_list args; \ | |
2021 va_start(args, methodID); \ | |
2022 JavaValue jvalue(Tag); \ | |
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2023 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2024 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2025 va_end(args); \ | |
2026 ret = jvalue.get_##ResultType(); \ | |
2027 return ret;\ | |
2028 JNI_END \ | |
2029 \ | |
2030 JNI_ENTRY(ResultType, \ | |
2031 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2032 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
2033 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
2034 ResultType ret;\ | |
2035 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2036 (const ResultType&)ret);\ | |
2037 \ | |
2038 JavaValue jvalue(Tag); \ | |
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2039 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2040 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2041 ret = jvalue.get_##ResultType(); \ | |
2042 return ret;\ | |
2043 JNI_END \ | |
2044 \ | |
2045 JNI_ENTRY(ResultType, \ | |
2046 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2047 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2048 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
2049 ResultType ret;\ | |
2050 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2051 (const ResultType&)ret);\ | |
2052 \ | |
2053 JavaValue jvalue(Tag); \ | |
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2054 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2055 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2056 ret = jvalue.get_##ResultType(); \ | |
2057 return ret;\ | |
2058 JNI_END | |
2059 | |
2060 // the runtime type of subword integral basic types is integer | |
2061 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2062 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
2063 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
2064 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
2065 | |
2066 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
2067 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
2068 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
2069 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
2070 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
2071 | |
2072 | |
2073 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
2074 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
2075 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
2076 | |
4006 | 2077 #else /* USDT2 */ |
2078 | |
2079 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
2080 , EntryProbe, ReturnProbe) \ | |
2081 \ | |
2082 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
2083 , ReturnProbe);\ | |
2084 \ | |
2085 JNI_ENTRY(ResultType, \ | |
2086 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
2087 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
2088 \ | |
2089 EntryProbe;\ | |
2090 ResultType ret;\ | |
2091 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
2092 (const ResultType&)ret);\ | |
2093 \ | |
2094 va_list args; \ | |
2095 va_start(args, methodID); \ | |
2096 JavaValue jvalue(Tag); \ | |
2097 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2098 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2099 va_end(args); \ | |
2100 ret = jvalue.get_##ResultType(); \ | |
2101 return ret;\ | |
2102 JNI_END | |
2103 | |
2104 // the runtime type of subword integral basic types is integer | |
2105 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
2106 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2107 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
2108 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
2109 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2110 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
2111 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
2112 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2113 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
2114 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
2115 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2116 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
2117 | |
2118 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
2119 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2120 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
2121 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
2122 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2123 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
2124 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
2125 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2126 // Float and double probes don't return value because dtrace doesn't currently support it | |
2127 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
2128 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
2129 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2130 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
2131 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
2132 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2133 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
2134 | |
2135 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
2136 , EntryProbe, ReturnProbe) \ | |
2137 \ | |
2138 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
2139 , ReturnProbe);\ | |
2140 \ | |
2141 JNI_ENTRY(ResultType, \ | |
2142 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2143 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
2144 \ | |
2145 EntryProbe;\ | |
2146 ResultType ret;\ | |
2147 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2148 (const ResultType&)ret);\ | |
2149 \ | |
2150 JavaValue jvalue(Tag); \ | |
2151 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2152 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2153 ret = jvalue.get_##ResultType(); \ | |
2154 return ret;\ | |
2155 JNI_END | |
2156 | |
2157 // the runtime type of subword integral basic types is integer | |
2158 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
2159 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2160 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
2161 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
2162 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2163 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
2164 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
2165 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2166 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
2167 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
2168 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2169 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
2170 | |
2171 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
2172 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2173 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
2174 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
2175 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2176 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
2177 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
2178 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2179 // Float and double probes don't return value because dtrace doesn't currently support it | |
2180 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
2181 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
2182 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2183 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
2184 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
2185 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2186 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
2187 | |
2188 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
2189 , EntryProbe, ReturnProbe) \ | |
2190 \ | |
2191 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
2192 , ReturnProbe);\ | |
2193 \ | |
2194 JNI_ENTRY(ResultType, \ | |
2195 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2196 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2197 \ | |
2198 EntryProbe;\ | |
2199 ResultType ret;\ | |
2200 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2201 (const ResultType&)ret);\ | |
2202 \ | |
2203 JavaValue jvalue(Tag); \ | |
2204 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2205 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2206 ret = jvalue.get_##ResultType(); \ | |
2207 return ret;\ | |
2208 JNI_END | |
2209 | |
2210 // the runtime type of subword integral basic types is integer | |
2211 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
2212 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2213 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
2214 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
2215 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2216 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
2217 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
2218 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2219 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
2220 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
2221 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2222 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
2223 | |
2224 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
2225 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2226 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
2227 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
2228 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2229 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
2230 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
2231 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2232 // Float and double probes don't return value because dtrace doesn't currently support it | |
2233 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
2234 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
2235 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2236 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
2237 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
2238 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2239 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
2240 | |
2241 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
2242 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
2243 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
2244 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
2245 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
2246 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
2247 #endif /* USDT2 */ | |
2248 | |
0 | 2249 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
2250 JNIWrapper("CallNonvirtualVoidMethod"); | |
2251 | |
4006 | 2252 #ifndef USDT2 |
0 | 2253 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
2254 env, obj, cls, methodID); | |
4006 | 2255 #else /* USDT2 */ |
2256 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
2257 env, obj, cls, (uintptr_t) methodID); | |
2258 #endif /* USDT2 */ | |
0 | 2259 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
2260 | |
2261 va_list args; | |
2262 va_start(args, methodID); | |
2263 JavaValue jvalue(T_VOID); | |
2177
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2264 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2265 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2266 va_end(args); | |
2267 JNI_END | |
2268 | |
2269 | |
2270 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
2271 JNIWrapper("CallNonvirtualVoidMethodV"); | |
2272 | |
4006 | 2273 #ifndef USDT2 |
0 | 2274 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
2275 env, obj, cls, methodID); | |
4006 | 2276 #else /* USDT2 */ |
2277 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
2278 env, obj, cls, (uintptr_t) methodID); | |
2279 #endif /* USDT2 */ | |
0 | 2280 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
2281 | |
2282 JavaValue jvalue(T_VOID); | |
2177
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|
2283 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2284 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2285 JNI_END | |
2286 | |
2287 | |
2288 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
2289 JNIWrapper("CallNonvirtualVoidMethodA"); | |
4006 | 2290 #ifndef USDT2 |
0 | 2291 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
2292 env, obj, cls, methodID); | |
4006 | 2293 #else /* USDT2 */ |
2294 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
2295 env, obj, cls, (uintptr_t) methodID); | |
2296 #endif /* USDT2 */ | |
0 | 2297 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
2298 JavaValue jvalue(T_VOID); | |
2177
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|
2299 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2300 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2301 JNI_END | |
2302 | |
2303 | |
4006 | 2304 #ifndef USDT2 |
0 | 2305 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
2306 \ | |
2307 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
2308 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
2309 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
2310 \ | |
2311 JNI_ENTRY(ResultType, \ | |
2312 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2313 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2314 \ | |
2315 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
2316 ResultType ret = 0;\ | |
2317 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2318 (const ResultType&)ret);\ | |
2319 \ | |
2320 va_list args; \ | |
2321 va_start(args, methodID); \ | |
2322 JavaValue jvalue(Tag); \ | |
2177
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|
2323 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2324 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2325 va_end(args); \ | |
2326 ret = jvalue.get_##ResultType(); \ | |
2327 return ret;\ | |
2328 JNI_END \ | |
2329 \ | |
2330 JNI_ENTRY(ResultType, \ | |
2331 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2332 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2333 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
2334 ResultType ret = 0;\ | |
2335 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2336 (const ResultType&)ret);\ | |
2337 \ | |
2338 JavaValue jvalue(Tag); \ | |
2177
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|
2339 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2340 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2341 ret = jvalue.get_##ResultType(); \ | |
2342 return ret;\ | |
2343 JNI_END \ | |
2344 \ | |
2345 JNI_ENTRY(ResultType, \ | |
2346 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2347 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2348 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
2349 ResultType ret = 0;\ | |
2350 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2351 (const ResultType&)ret);\ | |
2352 \ | |
2353 JavaValue jvalue(Tag); \ | |
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|
2354 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2355 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2356 ret = jvalue.get_##ResultType(); \ | |
2357 return ret;\ | |
2358 JNI_END | |
2359 | |
2360 // the runtime type of subword integral basic types is integer | |
2361 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2362 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
2363 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
2364 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
2365 | |
2366 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
2367 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
2368 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
2369 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
2370 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
2371 | |
2372 | |
2373 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
2374 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
2375 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
2376 | |
4006 | 2377 #else /* USDT2 */ |
2378 | |
2379 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
2380 , EntryProbe, ResultProbe) \ | |
2381 \ | |
2382 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
2383 , ResultProbe); \ | |
2384 \ | |
2385 JNI_ENTRY(ResultType, \ | |
2386 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2387 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2388 \ | |
2389 EntryProbe; \ | |
2390 ResultType ret = 0;\ | |
2391 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2392 (const ResultType&)ret);\ | |
2393 \ | |
2394 va_list args; \ | |
2395 va_start(args, methodID); \ | |
2396 JavaValue jvalue(Tag); \ | |
2397 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2398 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2399 va_end(args); \ | |
2400 ret = jvalue.get_##ResultType(); \ | |
2401 return ret;\ | |
2402 JNI_END | |
2403 | |
2404 // the runtime type of subword integral basic types is integer | |
2405 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
2406 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2407 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
2408 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
2409 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2410 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
2411 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
2412 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2413 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
2414 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
2415 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2416 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
2417 | |
2418 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
2419 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2420 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
2421 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
2422 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2423 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
2424 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
2425 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2426 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
2427 // Float and double probes don't return value because dtrace doesn't currently support it | |
2428 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
2429 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2430 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
2431 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
2432 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2433 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
2434 | |
2435 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
2436 , EntryProbe, ResultProbe) \ | |
2437 \ | |
2438 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
2439 , ResultProbe); \ | |
2440 \ | |
2441 JNI_ENTRY(ResultType, \ | |
2442 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2443 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2444 \ | |
2445 EntryProbe; \ | |
2446 ResultType ret = 0;\ | |
2447 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2448 (const ResultType&)ret);\ | |
2449 \ | |
2450 JavaValue jvalue(Tag); \ | |
2451 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2452 /* Make sure class is initialized before trying to invoke its method */ \ | |
2453 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls))); \ | |
2454 Klass::cast(k())->initialize(CHECK_0); \ | |
2455 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2456 va_end(args); \ | |
2457 ret = jvalue.get_##ResultType(); \ | |
2458 return ret;\ | |
2459 JNI_END | |
2460 | |
2461 // the runtime type of subword integral basic types is integer | |
2462 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
2463 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2464 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
2465 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
2466 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2467 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
2468 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
2469 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2470 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
2471 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
2472 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2473 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
2474 | |
2475 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
2476 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2477 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
2478 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
2479 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2480 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
2481 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
2482 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2483 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
2484 // Float and double probes don't return value because dtrace doesn't currently support it | |
2485 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
2486 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2487 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
2488 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
2489 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2490 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
2491 | |
2492 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
2493 , EntryProbe, ResultProbe) \ | |
2494 \ | |
2495 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
2496 , ResultProbe); \ | |
2497 \ | |
2498 JNI_ENTRY(ResultType, \ | |
2499 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2500 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2501 \ | |
2502 EntryProbe; \ | |
2503 ResultType ret = 0;\ | |
2504 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2505 (const ResultType&)ret);\ | |
2506 \ | |
2507 JavaValue jvalue(Tag); \ | |
2508 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2509 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2510 ret = jvalue.get_##ResultType(); \ | |
2511 return ret;\ | |
2512 JNI_END | |
2513 | |
2514 // the runtime type of subword integral basic types is integer | |
2515 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
2516 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2517 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
2518 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
2519 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2520 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
2521 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
2522 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2523 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
2524 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
2525 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2526 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
2527 | |
2528 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
2529 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2530 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
2531 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
2532 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2533 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
2534 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
2535 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2536 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
2537 // Float and double probes don't return value because dtrace doesn't currently support it | |
2538 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
2539 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2540 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
2541 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
2542 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2543 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
2544 | |
2545 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
2546 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
2547 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
2548 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
2549 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
2550 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
2551 #endif /* USDT2 */ | |
2552 | |
0 | 2553 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
2554 JNIWrapper("CallStaticVoidMethod"); | |
4006 | 2555 #ifndef USDT2 |
0 | 2556 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
4006 | 2557 #else /* USDT2 */ |
2558 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
2559 env, cls, (uintptr_t) methodID); | |
2560 #endif /* USDT2 */ | |
0 | 2561 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
2562 | |
2563 va_list args; | |
2564 va_start(args, methodID); | |
2565 JavaValue jvalue(T_VOID); | |
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2566 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2567 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2568 va_end(args); | |
2569 JNI_END | |
2570 | |
2571 | |
2572 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
2573 JNIWrapper("CallStaticVoidMethodV"); | |
4006 | 2574 #ifndef USDT2 |
0 | 2575 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
4006 | 2576 #else /* USDT2 */ |
2577 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
2578 env, cls, (uintptr_t) methodID); | |
2579 #endif /* USDT2 */ | |
0 | 2580 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
2581 | |
2582 JavaValue jvalue(T_VOID); | |
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2583 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2584 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2585 JNI_END | |
2586 | |
2587 | |
2588 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
2589 JNIWrapper("CallStaticVoidMethodA"); | |
4006 | 2590 #ifndef USDT2 |
0 | 2591 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
4006 | 2592 #else /* USDT2 */ |
2593 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
2594 env, cls, (uintptr_t) methodID); | |
2595 #endif /* USDT2 */ | |
0 | 2596 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
2597 | |
2598 JavaValue jvalue(T_VOID); | |
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2599 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2600 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2601 JNI_END | |
2602 | |
2603 | |
2604 // | |
2605 // Accessing Fields | |
2606 // | |
2607 | |
2608 | |
4006 | 2609 #ifndef USDT2 |
0 | 2610 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
4006 | 2611 #else /* USDT2 */ |
2612 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
2613 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2614 #endif /* USDT2 */ | |
0 | 2615 |
2616 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
2617 const char *name, const char *sig)) | |
2618 JNIWrapper("GetFieldID"); | |
4006 | 2619 #ifndef USDT2 |
0 | 2620 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
4006 | 2621 #else /* USDT2 */ |
2622 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
2623 env, clazz, (char *) name, (char *) sig); | |
2624 #endif /* USDT2 */ | |
0 | 2625 jfieldID ret = 0; |
2626 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
2627 | |
2628 // The class should have been loaded (we have an instance of the class | |
2629 // passed in) so the field and signature should already be in the symbol | |
2630 // table. If they're not there, the field doesn't exist. | |
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2631 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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2632 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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diff
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|
2633 if (fieldname == NULL || signame == NULL) { |
0 | 2634 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2635 } | |
2636 KlassHandle k(THREAD, | |
2637 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
2638 // Make sure class is initialized before handing id's out to fields | |
2639 Klass::cast(k())->initialize(CHECK_NULL); | |
2640 | |
2641 fieldDescriptor fd; | |
2642 if (!Klass::cast(k())->oop_is_instance() || | |
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|
2643 !instanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
0 | 2644 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2645 } | |
2646 | |
2647 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
2648 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
2649 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
2650 return ret; | |
2651 JNI_END | |
2652 | |
2653 | |
2654 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
2655 JNIWrapper("GetObjectField"); | |
4006 | 2656 #ifndef USDT2 |
0 | 2657 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
4006 | 2658 #else /* USDT2 */ |
2659 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
2660 env, obj, (uintptr_t) fieldID); | |
2661 #endif /* USDT2 */ | |
0 | 2662 oop o = JNIHandles::resolve_non_null(obj); |
2663 klassOop k = o->klass(); | |
2664 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
2665 // Keep JVMTI addition small and only check enabled flag here. | |
2666 // jni_GetField_probe() assumes that is okay to create handles. | |
2667 if (JvmtiExport::should_post_field_access()) { | |
2668 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
2669 } | |
2670 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
3249
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diff
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|
2671 #ifndef SERIALGC |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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2376
diff
changeset
|
2672 // 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
|
2673 // 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
|
2674 // referent with the SATB barrier. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2675 if (UseG1GC) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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2376
diff
changeset
|
2676 bool needs_barrier = false; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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diff
changeset
|
2677 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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diff
changeset
|
2678 if (ret != NULL && |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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diff
changeset
|
2679 offset == java_lang_ref_Reference::referent_offset && |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2680 instanceKlass::cast(k)->reference_type() != REF_NONE) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2681 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
|
2682 needs_barrier = true; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2683 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2684 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2685 if (needs_barrier) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2686 oop referent = JNIHandles::resolve(ret); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2687 G1SATBCardTableModRefBS::enqueue(referent); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2688 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
2689 } |
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diff
changeset
|
2690 #endif // SERIALGC |
4006 | 2691 #ifndef USDT2 |
0 | 2692 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
4006 | 2693 #else /* USDT2 */ |
2694 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
2695 ret); | |
2696 #endif /* USDT2 */ | |
0 | 2697 return ret; |
2698 JNI_END | |
2699 | |
2700 | |
4006 | 2701 #ifndef USDT2 |
0 | 2702 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
2703 \ | |
2704 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
2705 \ | |
2706 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2707 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2708 \ | |
2709 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
2710 Return ret = 0;\ | |
2711 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2712 \ | |
2713 oop o = JNIHandles::resolve_non_null(obj); \ | |
2714 klassOop k = o->klass(); \ | |
2715 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2716 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2717 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2718 /* and creates a ResetNoHandleMark. */ \ | |
2719 if (JvmtiExport::should_post_field_access()) { \ | |
2720 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2721 } \ | |
2722 ret = o->Fieldname##_field(offset); \ | |
2723 return ret; \ | |
2724 JNI_END | |
2725 | |
2726 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
2727 DEFINE_GETFIELD(jbyte, byte, Byte) | |
2728 DEFINE_GETFIELD(jchar, char, Char) | |
2729 DEFINE_GETFIELD(jshort, short, Short) | |
2730 DEFINE_GETFIELD(jint, int, Int) | |
2731 DEFINE_GETFIELD(jlong, long, Long) | |
2732 DEFINE_GETFIELD(jfloat, float, Float) | |
2733 DEFINE_GETFIELD(jdouble, double, Double) | |
2734 | |
4006 | 2735 #else /* USDT2 */ |
2736 | |
2737 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
2738 , EntryProbe, ReturnProbe) \ | |
2739 \ | |
2740 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
2741 , ReturnProbe); \ | |
2742 \ | |
2743 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2744 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2745 \ | |
2746 EntryProbe; \ | |
2747 Return ret = 0;\ | |
2748 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2749 \ | |
2750 oop o = JNIHandles::resolve_non_null(obj); \ | |
2751 klassOop k = o->klass(); \ | |
2752 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2753 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2754 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2755 /* and creates a ResetNoHandleMark. */ \ | |
2756 if (JvmtiExport::should_post_field_access()) { \ | |
2757 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2758 } \ | |
2759 ret = o->Fieldname##_field(offset); \ | |
2760 return ret; \ | |
2761 JNI_END | |
2762 | |
2763 DEFINE_GETFIELD(jboolean, bool, Boolean | |
2764 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2765 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
2766 DEFINE_GETFIELD(jbyte, byte, Byte | |
2767 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2768 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
2769 DEFINE_GETFIELD(jchar, char, Char | |
2770 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2771 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
2772 DEFINE_GETFIELD(jshort, short, Short | |
2773 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2774 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
2775 DEFINE_GETFIELD(jint, int, Int | |
2776 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2777 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
2778 DEFINE_GETFIELD(jlong, long, Long | |
2779 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2780 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
2781 // Float and double probes don't return value because dtrace doesn't currently support it | |
2782 DEFINE_GETFIELD(jfloat, float, Float | |
2783 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2784 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
2785 DEFINE_GETFIELD(jdouble, double, Double | |
2786 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2787 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
2788 #endif /* USDT2 */ | |
2789 | |
0 | 2790 address jni_GetBooleanField_addr() { |
2791 return (address)jni_GetBooleanField; | |
2792 } | |
2793 address jni_GetByteField_addr() { | |
2794 return (address)jni_GetByteField; | |
2795 } | |
2796 address jni_GetCharField_addr() { | |
2797 return (address)jni_GetCharField; | |
2798 } | |
2799 address jni_GetShortField_addr() { | |
2800 return (address)jni_GetShortField; | |
2801 } | |
2802 address jni_GetIntField_addr() { | |
2803 return (address)jni_GetIntField; | |
2804 } | |
2805 address jni_GetLongField_addr() { | |
2806 return (address)jni_GetLongField; | |
2807 } | |
2808 address jni_GetFloatField_addr() { | |
2809 return (address)jni_GetFloatField; | |
2810 } | |
2811 address jni_GetDoubleField_addr() { | |
2812 return (address)jni_GetDoubleField; | |
2813 } | |
2814 | |
2815 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
2816 JNIWrapper("SetObjectField"); | |
4006 | 2817 #ifndef USDT2 |
0 | 2818 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
4006 | 2819 #else /* USDT2 */ |
2820 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
2821 env, obj, (uintptr_t) fieldID, value); | |
2822 #endif /* USDT2 */ | |
0 | 2823 oop o = JNIHandles::resolve_non_null(obj); |
2824 klassOop k = o->klass(); | |
2825 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
2826 // Keep JVMTI addition small and only check enabled flag here. | |
2827 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
2828 // and creates a ResetNoHandleMark. | |
2829 if (JvmtiExport::should_post_field_modification()) { | |
2830 jvalue field_value; | |
2831 field_value.l = value; | |
2832 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
2833 } | |
2834 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
4006 | 2835 #ifndef USDT2 |
0 | 2836 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
4006 | 2837 #else /* USDT2 */ |
2838 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
2839 ); | |
2840 #endif /* USDT2 */ | |
0 | 2841 JNI_END |
2842 | |
4006 | 2843 #ifndef USDT2 |
0 | 2844 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
2845 \ | |
2846 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2847 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2848 \ | |
2849 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, Set##Result##Field__entry, \ | |
2850 ( JNIEnv*, jobject, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
2851 HS_DTRACE_PROBE_N(hotspot_jni, Set##Result##Field__entry, \ | |
2852 ( env, obj, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
2853 \ | |
2854 oop o = JNIHandles::resolve_non_null(obj); \ | |
2855 klassOop k = o->klass(); \ | |
2856 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2857 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2858 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2859 /* and creates a ResetNoHandleMark. */ \ | |
2860 if (JvmtiExport::should_post_field_modification()) { \ | |
2861 jvalue field_value; \ | |
2862 field_value.unionType = value; \ | |
2863 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2864 } \ | |
2865 o->Fieldname##_field_put(offset, value); \ | |
2866 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
2867 JNI_END | |
2868 | |
2869 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
2870 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
2871 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
2872 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
2873 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
2874 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
2875 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
2876 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
2877 | |
4006 | 2878 #else /* USDT2 */ |
2879 | |
2880 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
2881 , EntryProbe, ReturnProbe) \ | |
2882 \ | |
2883 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2884 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2885 \ | |
2886 EntryProbe; \ | |
2887 \ | |
2888 oop o = JNIHandles::resolve_non_null(obj); \ | |
2889 klassOop k = o->klass(); \ | |
2890 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
2891 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2892 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2893 /* and creates a ResetNoHandleMark. */ \ | |
2894 if (JvmtiExport::should_post_field_modification()) { \ | |
2895 jvalue field_value; \ | |
2896 field_value.unionType = value; \ | |
2897 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2898 } \ | |
2899 o->Fieldname##_field_put(offset, value); \ | |
2900 ReturnProbe; \ | |
2901 JNI_END | |
2902 | |
2903 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
2904 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2905 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
2906 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
2907 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2908 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
2909 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
2910 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2911 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
2912 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
2913 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2914 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
2915 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
2916 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2917 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
2918 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
2919 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2920 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
2921 // Float and double probes don't return value because dtrace doesn't currently support it | |
2922 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
2923 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2924 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
2925 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
2926 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2927 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
2928 #endif /* USDT2 */ | |
2929 | |
2930 #ifndef USDT2 | |
0 | 2931 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
4006 | 2932 #else /* USDT2 */ |
2933 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
2934 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
2935 #endif /* USDT2 */ | |
0 | 2936 |
2937 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
2938 JNIWrapper("ToReflectedField"); | |
4006 | 2939 #ifndef USDT2 |
0 | 2940 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
2941 env, cls, fieldID, isStatic); | |
4006 | 2942 #else /* USDT2 */ |
2943 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
2944 env, cls, (uintptr_t) fieldID, isStatic); | |
2945 #endif /* USDT2 */ | |
0 | 2946 jobject ret = NULL; |
2947 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
2948 | |
2949 fieldDescriptor fd; | |
2950 bool found = false; | |
2951 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls)); | |
2952 | |
2953 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
2954 | |
2955 if (isStatic) { | |
2956 // Static field. The fieldID a JNIid specifying the field holder and the offset within the klassOop. | |
2957 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
2958 assert(id->is_static_field_id(), "invalid static field id"); | |
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2959 found = id->find_local_field(&fd); |
0 | 2960 } else { |
2961 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
2962 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
2963 found = instanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); | |
2964 } | |
2965 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
2966 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
2967 ret = JNIHandles::make_local(env, reflected); | |
2968 return ret; | |
2969 JNI_END | |
2970 | |
2971 | |
2972 // | |
2973 // Accessing Static Fields | |
2974 // | |
4006 | 2975 #ifndef USDT2 |
0 | 2976 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
4006 | 2977 #else /* USDT2 */ |
2978 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
2979 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2980 #endif /* USDT2 */ | |
0 | 2981 |
2982 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
2983 const char *name, const char *sig)) | |
2984 JNIWrapper("GetStaticFieldID"); | |
4006 | 2985 #ifndef USDT2 |
0 | 2986 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
4006 | 2987 #else /* USDT2 */ |
2988 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
2989 env, clazz, (char *) name, (char *) sig); | |
2990 #endif /* USDT2 */ | |
0 | 2991 jfieldID ret = NULL; |
2992 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
2993 | |
2994 // The class should have been loaded (we have an instance of the class | |
2995 // passed in) so the field and signature should already be in the symbol | |
2996 // table. If they're not there, the field doesn't exist. | |
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diff
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|
2997 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
3582bf76420e
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diff
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|
2998 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
3582bf76420e
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|
2999 if (fieldname == NULL || signame == NULL) { |
0 | 3000 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
3001 } | |
3002 KlassHandle k(THREAD, | |
3003 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
3004 // Make sure class is initialized before handing id's out to static fields | |
3005 Klass::cast(k())->initialize(CHECK_NULL); | |
3006 | |
3007 fieldDescriptor fd; | |
3008 if (!Klass::cast(k())->oop_is_instance() || | |
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diff
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|
3009 !instanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
0 | 3010 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
3011 } | |
3012 | |
3013 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
3014 JNIid* id = instanceKlass::cast(fd.field_holder())->jni_id_for(fd.offset()); | |
3015 debug_only(id->set_is_static_field_id();) | |
3016 | |
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|
3017 debug_only(id->verify(fd.field_holder())); |
0 | 3018 |
3019 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
3020 return ret; | |
3021 JNI_END | |
3022 | |
3023 | |
3024 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
3025 JNIWrapper("GetStaticObjectField"); | |
4006 | 3026 #ifndef USDT2 |
0 | 3027 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
4006 | 3028 #else /* USDT2 */ |
3029 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
3030 env, clazz, (uintptr_t) fieldID); | |
3031 #endif /* USDT2 */ | |
0 | 3032 #ifndef JNICHECK_KERNEL |
3033 DEBUG_ONLY(klassOop param_k = jniCheck::validate_class(thread, clazz);) | |
3034 #endif // JNICHECK_KERNEL | |
3035 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
3036 assert(id->is_static_field_id(), "invalid static field id"); | |
3037 // Keep JVMTI addition small and only check enabled flag here. | |
3038 // jni_GetField_probe() assumes that is okay to create handles. | |
3039 if (JvmtiExport::should_post_field_access()) { | |
3040 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
3041 } | |
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|
3042 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
4006 | 3043 #ifndef USDT2 |
0 | 3044 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
4006 | 3045 #else /* USDT2 */ |
3046 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
3047 ret); | |
3048 #endif /* USDT2 */ | |
0 | 3049 return ret; |
3050 JNI_END | |
3051 | |
4006 | 3052 #ifndef USDT2 |
0 | 3053 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
3054 \ | |
3055 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
3056 \ | |
3057 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3058 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3059 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
3060 Return ret = 0;\ | |
3061 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3062 (const Return&)ret);\ | |
3063 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3064 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3065 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3066 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3067 if (JvmtiExport::should_post_field_access()) { \ | |
3068 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3069 } \ | |
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|
3070 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
0 | 3071 return ret;\ |
3072 JNI_END | |
3073 | |
3074 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
3075 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
3076 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
3077 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
3078 DEFINE_GETSTATICFIELD(jint, int, Int) | |
3079 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
3080 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
3081 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
3082 | |
4006 | 3083 #else /* USDT2 */ |
3084 | |
3085 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
3086 , EntryProbe, ReturnProbe) \ | |
3087 \ | |
3088 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
3089 , ReturnProbe); \ | |
3090 \ | |
3091 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3092 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3093 EntryProbe; \ | |
3094 Return ret = 0;\ | |
3095 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3096 (const Return&)ret);\ | |
3097 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3098 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3099 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3100 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3101 if (JvmtiExport::should_post_field_access()) { \ | |
3102 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3103 } \ | |
3104 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
3105 return ret;\ | |
3106 JNI_END | |
3107 | |
3108 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
3109 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
3110 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
3111 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
3112 DEFINE_GETSTATICFIELD(jchar, char, Char | |
3113 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
3114 DEFINE_GETSTATICFIELD(jshort, short, Short | |
3115 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
3116 DEFINE_GETSTATICFIELD(jint, int, Int | |
3117 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
3118 DEFINE_GETSTATICFIELD(jlong, long, Long | |
3119 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
3120 // Float and double probes don't return value because dtrace doesn't currently support it | |
3121 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
3122 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
3123 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
3124 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
3125 #endif /* USDT2 */ | |
0 | 3126 |
3127 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
3128 JNIWrapper("SetStaticObjectField"); | |
4006 | 3129 #ifndef USDT2 |
0 | 3130 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
4006 | 3131 #else /* USDT2 */ |
3132 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
3133 env, clazz, (uintptr_t) fieldID, value); | |
3134 #endif /* USDT2 */ | |
0 | 3135 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
3136 assert(id->is_static_field_id(), "invalid static field id"); | |
3137 // Keep JVMTI addition small and only check enabled flag here. | |
3138 // jni_SetField_probe() assumes that is okay to create handles. | |
3139 if (JvmtiExport::should_post_field_modification()) { | |
3140 jvalue field_value; | |
3141 field_value.l = value; | |
3142 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
3143 } | |
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|
3144 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
4006 | 3145 #ifndef USDT2 |
0 | 3146 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
4006 | 3147 #else /* USDT2 */ |
3148 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
3149 ); | |
3150 #endif /* USDT2 */ | |
0 | 3151 JNI_END |
3152 | |
3153 | |
4006 | 3154 #ifndef USDT2 |
0 | 3155 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
3156 \ | |
3157 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3158 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3159 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, SetStatic##Result##Field__entry,\ | |
3160 ( JNIEnv*, jclass, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
3161 HS_DTRACE_PROBE_N(hotspot_jni, SetStatic##Result##Field__entry, \ | |
3162 ( env, clazz, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
3163 \ | |
3164 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3165 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3166 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3167 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3168 if (JvmtiExport::should_post_field_modification()) { \ | |
3169 jvalue field_value; \ | |
3170 field_value.unionType = value; \ | |
3171 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3172 } \ | |
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|
3173 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
0 | 3174 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
3175 JNI_END | |
3176 | |
3177 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
3178 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
3179 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
3180 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
3181 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
3182 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
3183 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
3184 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
3185 | |
4006 | 3186 #else /* USDT2 */ |
3187 | |
3188 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
3189 , EntryProbe, ReturnProbe) \ | |
3190 \ | |
3191 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3192 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3193 EntryProbe; \ | |
3194 \ | |
3195 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3196 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3197 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3198 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3199 if (JvmtiExport::should_post_field_modification()) { \ | |
3200 jvalue field_value; \ | |
3201 field_value.unionType = value; \ | |
3202 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3203 } \ | |
3204 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
3205 ReturnProbe;\ | |
3206 JNI_END | |
3207 | |
3208 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
3209 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
3210 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
3211 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
3212 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3213 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
3214 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
3215 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3216 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
3217 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
3218 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3219 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
3220 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
3221 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3222 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
3223 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
3224 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3225 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
3226 // Float and double probes don't return value because dtrace doesn't currently support it | |
3227 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
3228 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3229 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
3230 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
3231 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3232 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
3233 #endif /* USDT2 */ | |
0 | 3234 |
3235 // | |
3236 // String Operations | |
3237 // | |
3238 | |
3239 // Unicode Interface | |
3240 | |
4006 | 3241 #ifndef USDT2 |
0 | 3242 DT_RETURN_MARK_DECL(NewString, jstring); |
4006 | 3243 #else /* USDT2 */ |
3244 DT_RETURN_MARK_DECL(NewString, jstring | |
3245 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
3246 #endif /* USDT2 */ | |
0 | 3247 |
3248 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
3249 JNIWrapper("NewString"); | |
4006 | 3250 #ifndef USDT2 |
0 | 3251 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
4006 | 3252 #else /* USDT2 */ |
3253 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
3254 env, (uint16_t *) unicodeChars, len); | |
3255 #endif /* USDT2 */ | |
0 | 3256 jstring ret = NULL; |
3257 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
3258 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
3259 ret = (jstring) JNIHandles::make_local(env, string); | |
3260 return ret; | |
3261 JNI_END | |
3262 | |
3263 | |
3264 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
3265 JNIWrapper("GetStringLength"); | |
4006 | 3266 #ifndef USDT2 |
0 | 3267 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
4006 | 3268 #else /* USDT2 */ |
3269 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
3270 env, string); | |
3271 #endif /* USDT2 */ | |
0 | 3272 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
4006 | 3273 #ifndef USDT2 |
0 | 3274 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
4006 | 3275 #else /* USDT2 */ |
3276 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
3277 ret); | |
3278 #endif /* USDT2 */ | |
0 | 3279 return ret; |
3280 JNI_END | |
3281 | |
3282 | |
3283 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
3284 JNIEnv *env, jstring string, jboolean *isCopy)) | |
3285 JNIWrapper("GetStringChars"); | |
4006 | 3286 #ifndef USDT2 |
0 | 3287 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
4006 | 3288 #else /* USDT2 */ |
3289 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
3290 env, string, (uintptr_t *) isCopy); | |
3291 #endif /* USDT2 */ | |
0 | 3292 //%note jni_5 |
3293 if (isCopy != NULL) { | |
3294 *isCopy = JNI_TRUE; | |
3295 } | |
3296 oop s = JNIHandles::resolve_non_null(string); | |
3297 int s_len = java_lang_String::length(s); | |
3298 typeArrayOop s_value = java_lang_String::value(s); | |
3299 int s_offset = java_lang_String::offset(s); | |
3300 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1); // add one for zero termination | |
3301 if (s_len > 0) { | |
3302 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
3303 } | |
3304 buf[s_len] = 0; | |
4006 | 3305 #ifndef USDT2 |
0 | 3306 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
4006 | 3307 #else /* USDT2 */ |
3308 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
3309 buf); | |
3310 #endif /* USDT2 */ | |
0 | 3311 return buf; |
3312 JNI_END | |
3313 | |
3314 | |
3315 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
3316 JNIWrapper("ReleaseStringChars"); | |
4006 | 3317 #ifndef USDT2 |
0 | 3318 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
4006 | 3319 #else /* USDT2 */ |
3320 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
3321 env, str, (uint16_t *) chars); | |
3322 #endif /* USDT2 */ | |
0 | 3323 //%note jni_6 |
3324 if (chars != NULL) { | |
3325 // Since String objects are supposed to be immutable, don't copy any | |
3326 // new data back. A bad user will have to go after the char array. | |
3327 FreeHeap((void*) chars); | |
3328 } | |
4006 | 3329 #ifndef USDT2 |
0 | 3330 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
4006 | 3331 #else /* USDT2 */ |
3332 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
3333 ); | |
3334 #endif /* USDT2 */ | |
0 | 3335 JNI_END |
3336 | |
3337 | |
3338 // UTF Interface | |
3339 | |
4006 | 3340 #ifndef USDT2 |
0 | 3341 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
4006 | 3342 #else /* USDT2 */ |
3343 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
3344 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
3345 #endif /* USDT2 */ | |
0 | 3346 |
3347 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
3348 JNIWrapper("NewStringUTF"); | |
4006 | 3349 #ifndef USDT2 |
0 | 3350 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
4006 | 3351 #else /* USDT2 */ |
3352 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
3353 env, (char *) bytes); | |
3354 #endif /* USDT2 */ | |
0 | 3355 jstring ret; |
3356 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
3357 | |
3358 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
3359 ret = (jstring) JNIHandles::make_local(env, result); | |
3360 return ret; | |
3361 JNI_END | |
3362 | |
3363 | |
3364 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
3365 JNIWrapper("GetStringUTFLength"); | |
4006 | 3366 #ifndef USDT2 |
0 | 3367 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
4006 | 3368 #else /* USDT2 */ |
3369 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
3370 env, string); | |
3371 #endif /* USDT2 */ | |
0 | 3372 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
4006 | 3373 #ifndef USDT2 |
0 | 3374 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
4006 | 3375 #else /* USDT2 */ |
3376 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
3377 ret); | |
3378 #endif /* USDT2 */ | |
0 | 3379 return ret; |
3380 JNI_END | |
3381 | |
3382 | |
3383 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
3384 JNIWrapper("GetStringUTFChars"); | |
4006 | 3385 #ifndef USDT2 |
0 | 3386 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
4006 | 3387 #else /* USDT2 */ |
3388 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
3389 env, string, (uintptr_t *) isCopy); | |
3390 #endif /* USDT2 */ | |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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parents:
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diff
changeset
|
3391 oop java_string = JNIHandles::resolve_non_null(string); |
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
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diff
changeset
|
3392 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
|
3393 char* result = AllocateHeap(length + 1, "GetStringUTFChars"); |
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3394 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
0 | 3395 if (isCopy != NULL) *isCopy = JNI_TRUE; |
4006 | 3396 #ifndef USDT2 |
0 | 3397 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
4006 | 3398 #else /* USDT2 */ |
3399 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
3400 result); | |
3401 #endif /* USDT2 */ | |
0 | 3402 return result; |
3403 JNI_END | |
3404 | |
3405 | |
3406 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
3407 JNIWrapper("ReleaseStringUTFChars"); | |
4006 | 3408 #ifndef USDT2 |
0 | 3409 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
4006 | 3410 #else /* USDT2 */ |
3411 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
3412 env, str, (char *) chars); | |
3413 #endif /* USDT2 */ | |
0 | 3414 if (chars != NULL) { |
3415 FreeHeap((char*) chars); | |
3416 } | |
4006 | 3417 #ifndef USDT2 |
0 | 3418 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
4006 | 3419 #else /* USDT2 */ |
3420 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
3421 ); | |
3422 #endif /* USDT2 */ | |
0 | 3423 JNI_END |
3424 | |
3425 | |
3426 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
3427 JNIWrapper("GetArrayLength"); | |
4006 | 3428 #ifndef USDT2 |
0 | 3429 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
4006 | 3430 #else /* USDT2 */ |
3431 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
3432 env, array); | |
3433 #endif /* USDT2 */ | |
0 | 3434 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
3435 assert(a->is_array(), "must be array"); | |
3436 jsize ret = a->length(); | |
4006 | 3437 #ifndef USDT2 |
0 | 3438 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
4006 | 3439 #else /* USDT2 */ |
3440 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
3441 ret); | |
3442 #endif /* USDT2 */ | |
0 | 3443 return ret; |
3444 JNI_END | |
3445 | |
3446 | |
3447 // | |
3448 // Object Array Operations | |
3449 // | |
3450 | |
4006 | 3451 #ifndef USDT2 |
0 | 3452 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
4006 | 3453 #else /* USDT2 */ |
3454 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
3455 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
3456 #endif /* USDT2 */ | |
0 | 3457 |
3458 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
3459 JNIWrapper("NewObjectArray"); | |
4006 | 3460 #ifndef USDT2 |
0 | 3461 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
4006 | 3462 #else /* USDT2 */ |
3463 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
3464 env, length, elementClass, initialElement); | |
3465 #endif /* USDT2 */ | |
0 | 3466 jobjectArray ret = NULL; |
3467 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
3468 KlassHandle ek(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(elementClass))); | |
3469 klassOop ako = Klass::cast(ek())->array_klass(CHECK_NULL); | |
3470 KlassHandle ak = KlassHandle(THREAD, ako); | |
3471 objArrayKlass::cast(ak())->initialize(CHECK_NULL); | |
3472 objArrayOop result = objArrayKlass::cast(ak())->allocate(length, CHECK_NULL); | |
3473 oop initial_value = JNIHandles::resolve(initialElement); | |
3474 if (initial_value != NULL) { // array already initialized with NULL | |
3475 for (int index = 0; index < length; index++) { | |
3476 result->obj_at_put(index, initial_value); | |
3477 } | |
3478 } | |
3479 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
3480 return ret; | |
3481 JNI_END | |
3482 | |
4006 | 3483 #ifndef USDT2 |
0 | 3484 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
4006 | 3485 #else /* USDT2 */ |
3486 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
3487 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
3488 #endif /* USDT2 */ | |
0 | 3489 |
3490 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
3491 JNIWrapper("GetObjectArrayElement"); | |
4006 | 3492 #ifndef USDT2 |
0 | 3493 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
4006 | 3494 #else /* USDT2 */ |
3495 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
3496 env, array, index); | |
3497 #endif /* USDT2 */ | |
0 | 3498 jobject ret = NULL; |
3499 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
3500 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3501 if (a->is_within_bounds(index)) { | |
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kamg
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973
diff
changeset
|
3502 ret = JNIHandles::make_local(env, a->obj_at(index)); |
0 | 3503 return ret; |
3504 } else { | |
3505 char buf[jintAsStringSize]; | |
3506 sprintf(buf, "%d", index); | |
3507 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3508 } | |
3509 JNI_END | |
3510 | |
4006 | 3511 #ifndef USDT2 |
0 | 3512 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
4006 | 3513 #else /* USDT2 */ |
3514 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
3515 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
3516 #endif /* USDT2 */ | |
0 | 3517 |
3518 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
3519 JNIWrapper("SetObjectArrayElement"); | |
4006 | 3520 #ifndef USDT2 |
0 | 3521 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
4006 | 3522 #else /* USDT2 */ |
3523 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
3524 env, array, index, value); | |
3525 #endif /* USDT2 */ | |
0 | 3526 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
3527 | |
3528 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3529 oop v = JNIHandles::resolve(value); | |
3530 if (a->is_within_bounds(index)) { | |
3531 if (v == NULL || v->is_a(objArrayKlass::cast(a->klass())->element_klass())) { | |
3532 a->obj_at_put(index, v); | |
3533 } else { | |
3534 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
3535 } | |
3536 } else { | |
3537 char buf[jintAsStringSize]; | |
3538 sprintf(buf, "%d", index); | |
3539 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3540 } | |
3541 JNI_END | |
3542 | |
3543 | |
4006 | 3544 #ifndef USDT2 |
0 | 3545 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
3546 \ | |
4006 | 3547 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
0 | 3548 \ |
3549 JNI_ENTRY(Return, \ | |
3550 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3551 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3552 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
3553 Return ret = NULL;\ | |
1034
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kamg
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973
diff
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|
3554 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
0 | 3555 \ |
3556 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3557 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3558 return ret;\ | |
3559 JNI_END | |
3560 | |
3561 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
3562 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
3563 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
3564 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
3565 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
3566 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
3567 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
3568 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
3569 | |
4006 | 3570 #else /* USDT2 */ |
3571 | |
3572 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
3573 ,EntryProbe,ReturnProbe) \ | |
3574 \ | |
3575 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
3576 , ReturnProbe); \ | |
3577 \ | |
3578 JNI_ENTRY(Return, \ | |
3579 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3580 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3581 EntryProbe; \ | |
3582 Return ret = NULL;\ | |
3583 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
3584 \ | |
3585 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3586 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3587 return ret;\ | |
3588 JNI_END | |
3589 | |
3590 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
3591 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
3592 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
3593 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
3594 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
3595 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
3596 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
3597 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
3598 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
3599 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
3600 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
3601 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
3602 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
3603 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
3604 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
3605 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
3606 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
3607 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
3608 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
3609 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
3610 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
3611 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
3612 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
3613 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
3614 #endif /* USDT2 */ | |
0 | 3615 |
3616 // Return an address which will fault if the caller writes to it. | |
3617 | |
3618 static char* get_bad_address() { | |
3619 static char* bad_address = NULL; | |
3620 if (bad_address == NULL) { | |
3621 size_t size = os::vm_allocation_granularity(); | |
3622 bad_address = os::reserve_memory(size); | |
3623 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
|
3624 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
|
3625 /*is_committed*/false); |
0 | 3626 } |
3627 } | |
3628 return bad_address; | |
3629 } | |
3630 | |
3631 | |
4006 | 3632 #ifndef USDT2 |
0 | 3633 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
3634 \ | |
3635 JNI_QUICK_ENTRY(ElementType*, \ | |
3636 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3637 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3638 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
3639 /* allocate an chunk of memory in c land */ \ | |
3640 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3641 ElementType* result; \ | |
3642 int len = a->length(); \ | |
3643 if (len == 0) { \ | |
3644 /* Empty array: legal but useless, can't return NULL. \ | |
3645 * Return a pointer to something useless. \ | |
3646 * Avoid asserts in typeArrayOop. */ \ | |
3647 result = (ElementType*)get_bad_address(); \ | |
3648 } else { \ | |
3649 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
3650 /* copy the array to the c chunk */ \ | |
3651 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3652 } \ | |
3653 if (isCopy) *isCopy = JNI_TRUE; \ | |
3654 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
3655 return result; \ | |
3656 JNI_END | |
3657 | |
3658 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3659 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3660 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3661 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3662 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3663 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3664 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3665 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3666 | |
4006 | 3667 #else /* USDT2 */ |
3668 | |
3669 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
3670 , EntryProbe, ReturnProbe) \ | |
3671 \ | |
3672 JNI_QUICK_ENTRY(ElementType*, \ | |
3673 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3674 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3675 EntryProbe; \ | |
3676 /* allocate an chunk of memory in c land */ \ | |
3677 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3678 ElementType* result; \ | |
3679 int len = a->length(); \ | |
3680 if (len == 0) { \ | |
3681 /* Empty array: legal but useless, can't return NULL. \ | |
3682 * Return a pointer to something useless. \ | |
3683 * Avoid asserts in typeArrayOop. */ \ | |
3684 result = (ElementType*)get_bad_address(); \ | |
3685 } else { \ | |
3686 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
3687 /* copy the array to the c chunk */ \ | |
3688 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3689 } \ | |
3690 if (isCopy) *isCopy = JNI_TRUE; \ | |
3691 ReturnProbe; \ | |
3692 return result; \ | |
3693 JNI_END | |
3694 | |
3695 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3696 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3697 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
3698 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3699 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3700 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
3701 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3702 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3703 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
3704 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3705 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3706 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
3707 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3708 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3709 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
3710 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3711 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3712 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
3713 // Float and double probes don't return value because dtrace doesn't currently support it | |
3714 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3715 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3716 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
3717 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3718 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3719 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
3720 #endif /* USDT2 */ | |
3721 | |
3722 #ifndef USDT2 | |
0 | 3723 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
3724 \ | |
3725 JNI_QUICK_ENTRY(void, \ | |
3726 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3727 ElementType *buf, jint mode)) \ | |
3728 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3729 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
3730 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3731 int len = a->length(); \ | |
3732 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3733 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3734 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3735 } \ | |
3736 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3737 FreeHeap(buf); \ | |
3738 } \ | |
3739 } \ | |
3740 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
3741 JNI_END | |
3742 | |
3743 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3744 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3745 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3747 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3748 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3750 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3751 | |
4006 | 3752 #else /* USDT2 */ |
3753 | |
3754 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
3755 , EntryProbe, ReturnProbe);\ | |
3756 \ | |
3757 JNI_QUICK_ENTRY(void, \ | |
3758 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3759 ElementType *buf, jint mode)) \ | |
3760 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3761 EntryProbe; \ | |
3762 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3763 int len = a->length(); \ | |
3764 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3765 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3766 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3767 } \ | |
3768 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3769 FreeHeap(buf); \ | |
3770 } \ | |
3771 } \ | |
3772 ReturnProbe; \ | |
3773 JNI_END | |
3774 | |
3775 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3776 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3777 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
3778 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3779 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
3780 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
3781 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3782 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3783 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
3784 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3785 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3786 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
3787 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3788 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
3789 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
3790 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3791 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3792 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
3793 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3794 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
3795 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
3796 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3797 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
3798 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
3799 #endif /* USDT2 */ | |
3800 | |
3801 #ifndef USDT2 | |
0 | 3802 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3803 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
3804 \ | |
3805 JNI_ENTRY(void, \ | |
3806 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3807 jsize len, ElementType *buf)) \ | |
3808 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3809 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3810 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3811 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3812 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3813 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3814 } else { \ | |
3815 if (len > 0) { \ | |
3816 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
3817 memcpy((u_char*) buf, \ | |
3818 (u_char*) src->Tag##_at_addr(start), \ | |
3819 len << sc); \ | |
3820 } \ | |
3821 } \ | |
3822 JNI_END | |
3823 | |
3824 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
3825 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3826 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3827 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3828 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3829 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3830 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3831 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3832 | |
4006 | 3833 #else /* USDT2 */ |
3834 | |
3835 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3836 , EntryProbe, ReturnProbe); \ | |
3837 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
3838 , ReturnProbe); \ | |
3839 \ | |
3840 JNI_ENTRY(void, \ | |
3841 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3842 jsize len, ElementType *buf)) \ | |
3843 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3844 EntryProbe; \ | |
3845 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3846 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3847 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3848 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3849 } else { \ | |
3850 if (len > 0) { \ | |
3851 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
3852 memcpy((u_char*) buf, \ | |
3853 (u_char*) src->Tag##_at_addr(start), \ | |
3854 len << sc); \ | |
3855 } \ | |
3856 } \ | |
3857 JNI_END | |
3858 | |
3859 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
3860 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3861 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
3862 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3863 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3864 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
3865 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3866 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3867 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
3868 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3869 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
3870 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
3871 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
3872 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
3873 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
3874 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3875 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3876 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
3877 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3878 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3879 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
3880 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3881 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3882 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
3883 #endif /* USDT2 */ | |
3884 | |
3885 #ifndef USDT2 | |
0 | 3886 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3887 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
3888 \ | |
3889 JNI_ENTRY(void, \ | |
3890 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3891 jsize len, const ElementType *buf)) \ | |
3892 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3893 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3894 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3895 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3896 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3897 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3898 } else { \ | |
3899 if (len > 0) { \ | |
3900 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
3901 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
3902 (u_char*) buf, \ | |
3903 len << sc); \ | |
3904 } \ | |
3905 } \ | |
3906 JNI_END | |
3907 | |
3908 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
3909 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3910 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3911 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3912 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3913 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3914 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3915 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3916 | |
4006 | 3917 #else /* USDT2 */ |
3918 | |
3919 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3920 , EntryProbe, ReturnProbe); \ | |
3921 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
3922 ,ReturnProbe); \ | |
3923 \ | |
3924 JNI_ENTRY(void, \ | |
3925 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3926 jsize len, const ElementType *buf)) \ | |
3927 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3928 EntryProbe; \ | |
3929 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3930 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3931 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3932 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3933 } else { \ | |
3934 if (len > 0) { \ | |
3935 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
3936 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
3937 (u_char*) buf, \ | |
3938 len << sc); \ | |
3939 } \ | |
3940 } \ | |
3941 JNI_END | |
3942 | |
3943 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
3944 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
3945 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
3946 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3947 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3948 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
3949 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3950 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3951 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
3952 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3953 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3954 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
3955 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
3956 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
3957 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
3958 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3959 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3960 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
3961 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3962 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3963 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
3964 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3965 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3966 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
3967 #endif /* USDT2 */ | |
3968 | |
0 | 3969 |
3970 // | |
3971 // Interception of natives | |
3972 // | |
3973 | |
3974 // The RegisterNatives call being attempted tried to register with a method that | |
3975 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
3976 // to see if the native method is now wrapped with the prefixes. See the | |
3977 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
3978 static methodOop find_prefixed_native(KlassHandle k, | |
2177
3582bf76420e
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parents:
1989
diff
changeset
|
3979 Symbol* name, Symbol* signature, TRAPS) { |
0 | 3980 ResourceMark rm(THREAD); |
3981 methodOop method; | |
3982 int name_len = name->utf8_length(); | |
3983 char* name_str = name->as_utf8(); | |
3984 int prefix_count; | |
3985 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
3986 for (int i = 0; i < prefix_count; i++) { | |
3987 char* prefix = prefixes[i]; | |
3988 int prefix_len = (int)strlen(prefix); | |
3989 | |
3990 // try adding this prefix to the method name and see if it matches another method name | |
3991 int trial_len = name_len + prefix_len; | |
3992 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
3993 strcpy(trial_name_str, prefix); | |
3994 strcat(trial_name_str, name_str); | |
2177
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parents:
1989
diff
changeset
|
3995 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
3582bf76420e
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parents:
1989
diff
changeset
|
3996 if (trial_name == NULL) { |
0 | 3997 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
3998 } | |
2177
3582bf76420e
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parents:
1989
diff
changeset
|
3999 method = Klass::cast(k())->lookup_method(trial_name, signature); |
0 | 4000 if (method == NULL) { |
4001 continue; // signature doesn't match, try the next prefix | |
4002 } | |
4003 if (method->is_native()) { | |
4004 method->set_is_prefixed_native(); | |
4005 return method; // wahoo, we found a prefixed version of the method, return it | |
4006 } | |
4007 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
4008 name_len = trial_len; | |
4009 name_str = trial_name_str; | |
4010 } | |
4011 return NULL; // not found | |
4012 } | |
4013 | |
2177
3582bf76420e
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1989
diff
changeset
|
4014 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
|
4015 methodOop method = Klass::cast(k())->lookup_method(name, signature); |
0 | 4016 if (method == NULL) { |
4017 ResourceMark rm; | |
4018 stringStream st; | |
4019 st.print("Method %s name or signature does not match", | |
2177
3582bf76420e
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parents:
1989
diff
changeset
|
4020 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
0 | 4021 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
4022 } | |
4023 if (!method->is_native()) { | |
4024 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
4025 method = find_prefixed_native(k, name, signature, THREAD); | |
4026 if (method == NULL) { | |
4027 ResourceMark rm; | |
4028 stringStream st; | |
4029 st.print("Method %s is not declared as native", | |
2177
3582bf76420e
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parents:
1989
diff
changeset
|
4030 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
0 | 4031 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
4032 } | |
4033 } | |
4034 | |
4035 if (entry != NULL) { | |
4036 method->set_native_function(entry, | |
4037 methodOopDesc::native_bind_event_is_interesting); | |
4038 } else { | |
4039 method->clear_native_function(); | |
4040 } | |
4041 if (PrintJNIResolving) { | |
4042 ResourceMark rm(THREAD); | |
4043 tty->print_cr("[Registering JNI native method %s.%s]", | |
4044 Klass::cast(method->method_holder())->external_name(), | |
4045 method->name()->as_C_string()); | |
4046 } | |
4047 return true; | |
4048 } | |
4049 | |
4006 | 4050 #ifndef USDT2 |
0 | 4051 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
4006 | 4052 #else /* USDT2 */ |
4053 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
4054 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
4055 #endif /* USDT2 */ | |
0 | 4056 |
4057 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
4058 const JNINativeMethod *methods, | |
4059 jint nMethods)) | |
4060 JNIWrapper("RegisterNatives"); | |
4006 | 4061 #ifndef USDT2 |
0 | 4062 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
4006 | 4063 #else /* USDT2 */ |
4064 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
4065 env, clazz, (void *) methods, nMethods); | |
4066 #endif /* USDT2 */ | |
0 | 4067 jint ret = 0; |
4068 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
4069 | |
4070 KlassHandle h_k(thread, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
4071 | |
4072 for (int index = 0; index < nMethods; index++) { | |
4073 const char* meth_name = methods[index].name; | |
4074 const char* meth_sig = methods[index].signature; | |
4075 int meth_name_len = (int)strlen(meth_name); | |
4076 | |
4077 // The class should have been loaded (we have an instance of the class | |
4078 // passed in) so the method and signature should already be in the symbol | |
4079 // table. If they're not there, the method doesn't exist. | |
2177
3582bf76420e
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parents:
1989
diff
changeset
|
4080 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
|
4081 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
|
4082 |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4083 if (name == NULL || signature == NULL) { |
0 | 4084 ResourceMark rm; |
4085 stringStream st; | |
4086 st.print("Method %s.%s%s not found", Klass::cast(h_k())->external_name(), meth_name, meth_sig); | |
4087 // Must return negative value on failure | |
4088 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
4089 } | |
4090 | |
4091 bool res = register_native(h_k, name, signature, | |
4092 (address) methods[index].fnPtr, THREAD); | |
4093 if (!res) { | |
4094 ret = -1; | |
4095 break; | |
4096 } | |
4097 } | |
4098 return ret; | |
4099 JNI_END | |
4100 | |
4101 | |
4102 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
4103 JNIWrapper("UnregisterNatives"); | |
4006 | 4104 #ifndef USDT2 |
0 | 4105 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
4006 | 4106 #else /* USDT2 */ |
4107 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
4108 env, clazz); | |
4109 #endif /* USDT2 */ | |
0 | 4110 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz)); |
4111 //%note jni_2 | |
4112 if (Klass::cast(k)->oop_is_instance()) { | |
4113 for (int index = 0; index < instanceKlass::cast(k)->methods()->length(); index++) { | |
4114 methodOop m = methodOop(instanceKlass::cast(k)->methods()->obj_at(index)); | |
4115 if (m->is_native()) { | |
4116 m->clear_native_function(); | |
4117 m->set_signature_handler(NULL); | |
4118 } | |
4119 } | |
4120 } | |
4006 | 4121 #ifndef USDT2 |
0 | 4122 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
4006 | 4123 #else /* USDT2 */ |
4124 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
4125 0); | |
4126 #endif /* USDT2 */ | |
0 | 4127 return 0; |
4128 JNI_END | |
4129 | |
4130 // | |
4131 // Monitor functions | |
4132 // | |
4133 | |
4006 | 4134 #ifndef USDT2 |
0 | 4135 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
4006 | 4136 #else /* USDT2 */ |
4137 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
4138 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
4139 #endif /* USDT2 */ | |
0 | 4140 |
4141 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
4006 | 4142 #ifndef USDT2 |
0 | 4143 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
4006 | 4144 #else /* USDT2 */ |
4145 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
4146 env, jobj); | |
4147 #endif /* USDT2 */ | |
0 | 4148 jint ret = JNI_ERR; |
4149 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
4150 | |
4151 // If the object is null, we can't do anything with it | |
4152 if (jobj == NULL) { | |
4153 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4154 } | |
4155 | |
4156 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
4157 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
4158 ret = JNI_OK; | |
4159 return ret; | |
4160 JNI_END | |
4161 | |
4006 | 4162 #ifndef USDT2 |
0 | 4163 DT_RETURN_MARK_DECL(MonitorExit, jint); |
4006 | 4164 #else /* USDT2 */ |
4165 DT_RETURN_MARK_DECL(MonitorExit, jint | |
4166 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
4167 #endif /* USDT2 */ | |
0 | 4168 |
4169 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
4006 | 4170 #ifndef USDT2 |
0 | 4171 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
4006 | 4172 #else /* USDT2 */ |
4173 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
4174 env, jobj); | |
4175 #endif /* USDT2 */ | |
0 | 4176 jint ret = JNI_ERR; |
4177 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
4178 | |
4179 // Don't do anything with a null object | |
4180 if (jobj == NULL) { | |
4181 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4182 } | |
4183 | |
4184 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
4185 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
4186 | |
4187 ret = JNI_OK; | |
4188 return ret; | |
4189 JNI_END | |
4190 | |
4191 // | |
4192 // Extensions | |
4193 // | |
4194 | |
4006 | 4195 #ifndef USDT2 |
0 | 4196 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
4006 | 4197 #else /* USDT2 */ |
4198 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
4199 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
4200 #endif /* USDT2 */ | |
0 | 4201 |
4202 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
4203 JNIWrapper("GetStringRegion"); | |
4006 | 4204 #ifndef USDT2 |
0 | 4205 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
4006 | 4206 #else /* USDT2 */ |
4207 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
4208 env, string, start, len, buf); | |
4209 #endif /* USDT2 */ | |
0 | 4210 DT_VOID_RETURN_MARK(GetStringRegion); |
4211 oop s = JNIHandles::resolve_non_null(string); | |
4212 int s_len = java_lang_String::length(s); | |
4213 if (start < 0 || len < 0 || start + len > s_len) { | |
4214 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4215 } else { | |
4216 if (len > 0) { | |
4217 int s_offset = java_lang_String::offset(s); | |
4218 typeArrayOop s_value = java_lang_String::value(s); | |
4219 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
4220 } | |
4221 } | |
4222 JNI_END | |
4223 | |
4006 | 4224 #ifndef USDT2 |
0 | 4225 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
4006 | 4226 #else /* USDT2 */ |
4227 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
4228 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
4229 #endif /* USDT2 */ | |
0 | 4230 |
4231 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
4232 JNIWrapper("GetStringUTFRegion"); | |
4006 | 4233 #ifndef USDT2 |
0 | 4234 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
4006 | 4235 #else /* USDT2 */ |
4236 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
4237 env, string, start, len, buf); | |
4238 #endif /* USDT2 */ | |
0 | 4239 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
4240 oop s = JNIHandles::resolve_non_null(string); | |
4241 int s_len = java_lang_String::length(s); | |
4242 if (start < 0 || len < 0 || start + len > s_len) { | |
4243 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4244 } else { | |
4245 //%note jni_7 | |
4246 if (len > 0) { | |
4247 ResourceMark rm(THREAD); | |
4248 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
4249 int utf_len = (int)strlen(utf_region); | |
4250 memcpy(buf, utf_region, utf_len); | |
4251 buf[utf_len] = 0; | |
4252 } else { | |
4253 // JDK null-terminates the buffer even in len is zero | |
4254 if (buf != NULL) { | |
4255 buf[0] = 0; | |
4256 } | |
4257 } | |
4258 } | |
4259 JNI_END | |
4260 | |
4261 | |
4262 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
4263 JNIWrapper("GetPrimitiveArrayCritical"); | |
4006 | 4264 #ifndef USDT2 |
0 | 4265 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
4006 | 4266 #else /* USDT2 */ |
4267 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
4268 env, array, (uintptr_t *) isCopy); | |
4269 #endif /* USDT2 */ | |
0 | 4270 GC_locker::lock_critical(thread); |
4271 if (isCopy != NULL) { | |
4272 *isCopy = JNI_FALSE; | |
4273 } | |
4274 oop a = JNIHandles::resolve_non_null(array); | |
4275 assert(a->is_array(), "just checking"); | |
4276 BasicType type; | |
4277 if (a->is_objArray()) { | |
4278 type = T_OBJECT; | |
4279 } else { | |
4280 type = typeArrayKlass::cast(a->klass())->element_type(); | |
4281 } | |
4282 void* ret = arrayOop(a)->base(type); | |
4006 | 4283 #ifndef USDT2 |
0 | 4284 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
4006 | 4285 #else /* USDT2 */ |
4286 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
4287 ret); | |
4288 #endif /* USDT2 */ | |
0 | 4289 return ret; |
4290 JNI_END | |
4291 | |
4292 | |
4293 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
4294 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
4006 | 4295 #ifndef USDT2 |
0 | 4296 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
4006 | 4297 #else /* USDT2 */ |
4298 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
4299 env, array, carray, mode); | |
4300 #endif /* USDT2 */ | |
0 | 4301 // The array, carray and mode arguments are ignored |
4302 GC_locker::unlock_critical(thread); | |
4006 | 4303 #ifndef USDT2 |
0 | 4304 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
4006 | 4305 #else /* USDT2 */ |
4306 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
4307 ); | |
4308 #endif /* USDT2 */ | |
0 | 4309 JNI_END |
4310 | |
4311 | |
4312 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
4313 JNIWrapper("GetStringCritical"); | |
4006 | 4314 #ifndef USDT2 |
0 | 4315 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
4006 | 4316 #else /* USDT2 */ |
4317 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
4318 env, string, (uintptr_t *) isCopy); | |
4319 #endif /* USDT2 */ | |
0 | 4320 GC_locker::lock_critical(thread); |
4321 if (isCopy != NULL) { | |
4322 *isCopy = JNI_FALSE; | |
4323 } | |
4324 oop s = JNIHandles::resolve_non_null(string); | |
4325 int s_len = java_lang_String::length(s); | |
4326 typeArrayOop s_value = java_lang_String::value(s); | |
4327 int s_offset = java_lang_String::offset(s); | |
4328 const jchar* ret; | |
4329 if (s_len > 0) { | |
4330 ret = s_value->char_at_addr(s_offset); | |
4331 } else { | |
4332 ret = (jchar*) s_value->base(T_CHAR); | |
4333 } | |
4006 | 4334 #ifndef USDT2 |
0 | 4335 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
4006 | 4336 #else /* USDT2 */ |
4337 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
4338 (uint16_t *) ret); | |
4339 #endif /* USDT2 */ | |
0 | 4340 return ret; |
4341 JNI_END | |
4342 | |
4343 | |
4344 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
4345 JNIWrapper("ReleaseStringCritical"); | |
4006 | 4346 #ifndef USDT2 |
0 | 4347 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
4006 | 4348 #else /* USDT2 */ |
4349 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
4350 env, str, (uint16_t *) chars); | |
4351 #endif /* USDT2 */ | |
0 | 4352 // The str and chars arguments are ignored |
4353 GC_locker::unlock_critical(thread); | |
4006 | 4354 #ifndef USDT2 |
0 | 4355 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
4006 | 4356 #else /* USDT2 */ |
4357 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
4358 ); | |
4359 #endif /* USDT2 */ | |
0 | 4360 JNI_END |
4361 | |
4362 | |
4363 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
4364 JNIWrapper("jni_NewWeakGlobalRef"); | |
4006 | 4365 #ifndef USDT2 |
0 | 4366 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
4006 | 4367 #else /* USDT2 */ |
4368 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
4369 env, ref); | |
4370 #endif /* USDT2 */ | |
0 | 4371 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
4372 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
4006 | 4373 #ifndef USDT2 |
0 | 4374 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
4006 | 4375 #else /* USDT2 */ |
4376 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
4377 ret); | |
4378 #endif /* USDT2 */ | |
0 | 4379 return ret; |
4380 JNI_END | |
4381 | |
4382 // Must be JNI_ENTRY (with HandleMark) | |
4383 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
4384 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
4006 | 4385 #ifndef USDT2 |
0 | 4386 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
4006 | 4387 #else /* USDT2 */ |
4388 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
4389 env, ref); | |
4390 #endif /* USDT2 */ | |
0 | 4391 JNIHandles::destroy_weak_global(ref); |
4006 | 4392 #ifndef USDT2 |
0 | 4393 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
4006 | 4394 #else /* USDT2 */ |
4395 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
4396 ); | |
4397 #endif /* USDT2 */ | |
0 | 4398 JNI_END |
4399 | |
4400 | |
4401 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
4402 JNIWrapper("jni_ExceptionCheck"); | |
4006 | 4403 #ifndef USDT2 |
0 | 4404 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
4006 | 4405 #else /* USDT2 */ |
4406 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
4407 env); | |
4408 #endif /* USDT2 */ | |
0 | 4409 jni_check_async_exceptions(thread); |
4410 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
4006 | 4411 #ifndef USDT2 |
0 | 4412 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
4006 | 4413 #else /* USDT2 */ |
4414 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
4415 ret); | |
4416 #endif /* USDT2 */ | |
0 | 4417 return ret; |
4418 JNI_END | |
4419 | |
4420 | |
4421 // Initialization state for three routines below relating to | |
4422 // java.nio.DirectBuffers | |
4423 static jint directBufferSupportInitializeStarted = 0; | |
4424 static volatile jint directBufferSupportInitializeEnded = 0; | |
4425 static volatile jint directBufferSupportInitializeFailed = 0; | |
4426 static jclass bufferClass = NULL; | |
4427 static jclass directBufferClass = NULL; | |
4428 static jclass directByteBufferClass = NULL; | |
4429 static jmethodID directByteBufferConstructor = NULL; | |
4430 static jfieldID directBufferAddressField = NULL; | |
4431 static jfieldID bufferCapacityField = NULL; | |
4432 | |
4433 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
4434 Handle loader; // null (bootstrap) loader | |
4435 Handle protection_domain; // null protection domain | |
4436 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4437 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4438 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
|
4439 |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4440 if (TraceClassResolution && result != NULL) { |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4441 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
|
4442 } |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4443 return result; |
0 | 4444 } |
4445 | |
4446 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
4447 // circumvent any security checks that would be done by jni_FindClass. | |
4448 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
4449 { | |
4450 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
4451 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
4452 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
4453 return true; | |
4454 } | |
4455 JNI_END | |
4456 | |
4457 | |
4458 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
4459 if (directBufferSupportInitializeFailed) { | |
4460 return false; | |
4461 } | |
4462 | |
4463 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
4464 if (!lookupDirectBufferClasses(env)) { | |
4465 directBufferSupportInitializeFailed = 1; | |
4466 return false; | |
4467 } | |
4468 | |
4469 // Make global references for these | |
4470 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
4471 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
4472 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
4473 | |
4474 // Get needed field and method IDs | |
4475 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
4476 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
4477 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
4478 | |
4479 if ((directByteBufferConstructor == NULL) || | |
4480 (directBufferAddressField == NULL) || | |
4481 (bufferCapacityField == NULL)) { | |
4482 directBufferSupportInitializeFailed = 1; | |
4483 return false; | |
4484 } | |
4485 | |
4486 directBufferSupportInitializeEnded = 1; | |
4487 } else { | |
4488 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
|
4489 // 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
|
4490 // 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
|
4491 // 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
|
4492 // 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
|
4493 // 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
|
4494 ThreadInVMfromNative tivn(thread); |
0 | 4495 os::yield_all(); |
4496 } | |
4497 } | |
4498 | |
4499 return !directBufferSupportInitializeFailed; | |
4500 } | |
4501 | |
4502 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
4503 { | |
4504 // thread_from_jni_environment() will block if VM is gone. | |
4505 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4506 | |
4507 JNIWrapper("jni_NewDirectByteBuffer"); | |
4006 | 4508 #ifndef USDT2 |
0 | 4509 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
4006 | 4510 #else /* USDT2 */ |
4511 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
4512 env, address, capacity); | |
4513 #endif /* USDT2 */ | |
0 | 4514 |
4515 if (!directBufferSupportInitializeEnded) { | |
4516 if (!initializeDirectBufferSupport(env, thread)) { | |
4006 | 4517 #ifndef USDT2 |
0 | 4518 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
4006 | 4519 #else /* USDT2 */ |
4520 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4521 NULL); | |
4522 #endif /* USDT2 */ | |
0 | 4523 return NULL; |
4524 } | |
4525 } | |
4526 | |
4527 // Being paranoid about accidental sign extension on address | |
4528 jlong addr = (jlong) ((uintptr_t) address); | |
4529 // NOTE that package-private DirectByteBuffer constructor currently | |
4530 // takes int capacity | |
4531 jint cap = (jint) capacity; | |
4532 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
4006 | 4533 #ifndef USDT2 |
0 | 4534 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
4006 | 4535 #else /* USDT2 */ |
4536 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4537 ret); | |
4538 #endif /* USDT2 */ | |
0 | 4539 return ret; |
4540 } | |
4541 | |
4006 | 4542 #ifndef USDT2 |
0 | 4543 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
4006 | 4544 #else /* USDT2 */ |
4545 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
4546 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
4547 #endif /* USDT2 */ | |
0 | 4548 |
4549 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
4550 { | |
4551 // thread_from_jni_environment() will block if VM is gone. | |
4552 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4553 | |
4554 JNIWrapper("jni_GetDirectBufferAddress"); | |
4006 | 4555 #ifndef USDT2 |
0 | 4556 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
4006 | 4557 #else /* USDT2 */ |
4558 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
4559 env, buf); | |
4560 #endif /* USDT2 */ | |
0 | 4561 void* ret = NULL; |
4562 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
4563 | |
4564 if (!directBufferSupportInitializeEnded) { | |
4565 if (!initializeDirectBufferSupport(env, thread)) { | |
4566 return 0; | |
4567 } | |
4568 } | |
4569 | |
4570 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
4571 return 0; | |
4572 } | |
4573 | |
4574 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
4575 return ret; | |
4576 } | |
4577 | |
4006 | 4578 #ifndef USDT2 |
0 | 4579 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
4006 | 4580 #else /* USDT2 */ |
4581 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
4582 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
4583 #endif /* USDT2 */ | |
0 | 4584 |
4585 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
4586 { | |
4587 // thread_from_jni_environment() will block if VM is gone. | |
4588 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4589 | |
4590 JNIWrapper("jni_GetDirectBufferCapacity"); | |
4006 | 4591 #ifndef USDT2 |
0 | 4592 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
4006 | 4593 #else /* USDT2 */ |
4594 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
4595 env, buf); | |
4596 #endif /* USDT2 */ | |
0 | 4597 jlong ret = -1; |
4598 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
4599 | |
4600 if (!directBufferSupportInitializeEnded) { | |
4601 if (!initializeDirectBufferSupport(env, thread)) { | |
4602 ret = 0; | |
4603 return ret; | |
4604 } | |
4605 } | |
4606 | |
4607 if (buf == NULL) { | |
4608 return -1; | |
4609 } | |
4610 | |
4611 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
4612 return -1; | |
4613 } | |
4614 | |
4615 // NOTE that capacity is currently an int in the implementation | |
4616 ret = env->GetIntField(buf, bufferCapacityField); | |
4617 return ret; | |
4618 } | |
4619 | |
4620 | |
4621 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
4622 JNIWrapper("GetVersion"); | |
4006 | 4623 #ifndef USDT2 |
0 | 4624 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
4006 | 4625 #else /* USDT2 */ |
4626 HOTSPOT_JNI_GETVERSION_ENTRY( | |
4627 env); | |
4628 #endif /* USDT2 */ | |
4629 #ifndef USDT2 | |
0 | 4630 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
4006 | 4631 #else /* USDT2 */ |
4632 HOTSPOT_JNI_GETVERSION_RETURN( | |
4633 CurrentVersion); | |
4634 #endif /* USDT2 */ | |
0 | 4635 return CurrentVersion; |
4636 JNI_END | |
4637 | |
4638 extern struct JavaVM_ main_vm; | |
4639 | |
4640 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
4641 JNIWrapper("jni_GetJavaVM"); | |
4006 | 4642 #ifndef USDT2 |
0 | 4643 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
4006 | 4644 #else /* USDT2 */ |
4645 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
4646 env, (void **) vm); | |
4647 #endif /* USDT2 */ | |
0 | 4648 *vm = (JavaVM *)(&main_vm); |
4006 | 4649 #ifndef USDT2 |
0 | 4650 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
4006 | 4651 #else /* USDT2 */ |
4652 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
4653 JNI_OK); | |
4654 #endif /* USDT2 */ | |
0 | 4655 return JNI_OK; |
4656 JNI_END | |
4657 | |
4658 // Structure containing all jni functions | |
4659 struct JNINativeInterface_ jni_NativeInterface = { | |
4660 NULL, | |
4661 NULL, | |
4662 NULL, | |
4663 | |
4664 NULL, | |
4665 | |
4666 jni_GetVersion, | |
4667 | |
4668 jni_DefineClass, | |
4669 jni_FindClass, | |
4670 | |
4671 jni_FromReflectedMethod, | |
4672 jni_FromReflectedField, | |
4673 | |
4674 jni_ToReflectedMethod, | |
4675 | |
4676 jni_GetSuperclass, | |
4677 jni_IsAssignableFrom, | |
4678 | |
4679 jni_ToReflectedField, | |
4680 | |
4681 jni_Throw, | |
4682 jni_ThrowNew, | |
4683 jni_ExceptionOccurred, | |
4684 jni_ExceptionDescribe, | |
4685 jni_ExceptionClear, | |
4686 jni_FatalError, | |
4687 | |
4688 jni_PushLocalFrame, | |
4689 jni_PopLocalFrame, | |
4690 | |
4691 jni_NewGlobalRef, | |
4692 jni_DeleteGlobalRef, | |
4693 jni_DeleteLocalRef, | |
4694 jni_IsSameObject, | |
4695 | |
4696 jni_NewLocalRef, | |
4697 jni_EnsureLocalCapacity, | |
4698 | |
4699 jni_AllocObject, | |
4700 jni_NewObject, | |
4701 jni_NewObjectV, | |
4702 jni_NewObjectA, | |
4703 | |
4704 jni_GetObjectClass, | |
4705 jni_IsInstanceOf, | |
4706 | |
4707 jni_GetMethodID, | |
4708 | |
4709 jni_CallObjectMethod, | |
4710 jni_CallObjectMethodV, | |
4711 jni_CallObjectMethodA, | |
4712 jni_CallBooleanMethod, | |
4713 jni_CallBooleanMethodV, | |
4714 jni_CallBooleanMethodA, | |
4715 jni_CallByteMethod, | |
4716 jni_CallByteMethodV, | |
4717 jni_CallByteMethodA, | |
4718 jni_CallCharMethod, | |
4719 jni_CallCharMethodV, | |
4720 jni_CallCharMethodA, | |
4721 jni_CallShortMethod, | |
4722 jni_CallShortMethodV, | |
4723 jni_CallShortMethodA, | |
4724 jni_CallIntMethod, | |
4725 jni_CallIntMethodV, | |
4726 jni_CallIntMethodA, | |
4727 jni_CallLongMethod, | |
4728 jni_CallLongMethodV, | |
4729 jni_CallLongMethodA, | |
4730 jni_CallFloatMethod, | |
4731 jni_CallFloatMethodV, | |
4732 jni_CallFloatMethodA, | |
4733 jni_CallDoubleMethod, | |
4734 jni_CallDoubleMethodV, | |
4735 jni_CallDoubleMethodA, | |
4736 jni_CallVoidMethod, | |
4737 jni_CallVoidMethodV, | |
4738 jni_CallVoidMethodA, | |
4739 | |
4740 jni_CallNonvirtualObjectMethod, | |
4741 jni_CallNonvirtualObjectMethodV, | |
4742 jni_CallNonvirtualObjectMethodA, | |
4743 jni_CallNonvirtualBooleanMethod, | |
4744 jni_CallNonvirtualBooleanMethodV, | |
4745 jni_CallNonvirtualBooleanMethodA, | |
4746 jni_CallNonvirtualByteMethod, | |
4747 jni_CallNonvirtualByteMethodV, | |
4748 jni_CallNonvirtualByteMethodA, | |
4749 jni_CallNonvirtualCharMethod, | |
4750 jni_CallNonvirtualCharMethodV, | |
4751 jni_CallNonvirtualCharMethodA, | |
4752 jni_CallNonvirtualShortMethod, | |
4753 jni_CallNonvirtualShortMethodV, | |
4754 jni_CallNonvirtualShortMethodA, | |
4755 jni_CallNonvirtualIntMethod, | |
4756 jni_CallNonvirtualIntMethodV, | |
4757 jni_CallNonvirtualIntMethodA, | |
4758 jni_CallNonvirtualLongMethod, | |
4759 jni_CallNonvirtualLongMethodV, | |
4760 jni_CallNonvirtualLongMethodA, | |
4761 jni_CallNonvirtualFloatMethod, | |
4762 jni_CallNonvirtualFloatMethodV, | |
4763 jni_CallNonvirtualFloatMethodA, | |
4764 jni_CallNonvirtualDoubleMethod, | |
4765 jni_CallNonvirtualDoubleMethodV, | |
4766 jni_CallNonvirtualDoubleMethodA, | |
4767 jni_CallNonvirtualVoidMethod, | |
4768 jni_CallNonvirtualVoidMethodV, | |
4769 jni_CallNonvirtualVoidMethodA, | |
4770 | |
4771 jni_GetFieldID, | |
4772 | |
4773 jni_GetObjectField, | |
4774 jni_GetBooleanField, | |
4775 jni_GetByteField, | |
4776 jni_GetCharField, | |
4777 jni_GetShortField, | |
4778 jni_GetIntField, | |
4779 jni_GetLongField, | |
4780 jni_GetFloatField, | |
4781 jni_GetDoubleField, | |
4782 | |
4783 jni_SetObjectField, | |
4784 jni_SetBooleanField, | |
4785 jni_SetByteField, | |
4786 jni_SetCharField, | |
4787 jni_SetShortField, | |
4788 jni_SetIntField, | |
4789 jni_SetLongField, | |
4790 jni_SetFloatField, | |
4791 jni_SetDoubleField, | |
4792 | |
4793 jni_GetStaticMethodID, | |
4794 | |
4795 jni_CallStaticObjectMethod, | |
4796 jni_CallStaticObjectMethodV, | |
4797 jni_CallStaticObjectMethodA, | |
4798 jni_CallStaticBooleanMethod, | |
4799 jni_CallStaticBooleanMethodV, | |
4800 jni_CallStaticBooleanMethodA, | |
4801 jni_CallStaticByteMethod, | |
4802 jni_CallStaticByteMethodV, | |
4803 jni_CallStaticByteMethodA, | |
4804 jni_CallStaticCharMethod, | |
4805 jni_CallStaticCharMethodV, | |
4806 jni_CallStaticCharMethodA, | |
4807 jni_CallStaticShortMethod, | |
4808 jni_CallStaticShortMethodV, | |
4809 jni_CallStaticShortMethodA, | |
4810 jni_CallStaticIntMethod, | |
4811 jni_CallStaticIntMethodV, | |
4812 jni_CallStaticIntMethodA, | |
4813 jni_CallStaticLongMethod, | |
4814 jni_CallStaticLongMethodV, | |
4815 jni_CallStaticLongMethodA, | |
4816 jni_CallStaticFloatMethod, | |
4817 jni_CallStaticFloatMethodV, | |
4818 jni_CallStaticFloatMethodA, | |
4819 jni_CallStaticDoubleMethod, | |
4820 jni_CallStaticDoubleMethodV, | |
4821 jni_CallStaticDoubleMethodA, | |
4822 jni_CallStaticVoidMethod, | |
4823 jni_CallStaticVoidMethodV, | |
4824 jni_CallStaticVoidMethodA, | |
4825 | |
4826 jni_GetStaticFieldID, | |
4827 | |
4828 jni_GetStaticObjectField, | |
4829 jni_GetStaticBooleanField, | |
4830 jni_GetStaticByteField, | |
4831 jni_GetStaticCharField, | |
4832 jni_GetStaticShortField, | |
4833 jni_GetStaticIntField, | |
4834 jni_GetStaticLongField, | |
4835 jni_GetStaticFloatField, | |
4836 jni_GetStaticDoubleField, | |
4837 | |
4838 jni_SetStaticObjectField, | |
4839 jni_SetStaticBooleanField, | |
4840 jni_SetStaticByteField, | |
4841 jni_SetStaticCharField, | |
4842 jni_SetStaticShortField, | |
4843 jni_SetStaticIntField, | |
4844 jni_SetStaticLongField, | |
4845 jni_SetStaticFloatField, | |
4846 jni_SetStaticDoubleField, | |
4847 | |
4848 jni_NewString, | |
4849 jni_GetStringLength, | |
4850 jni_GetStringChars, | |
4851 jni_ReleaseStringChars, | |
4852 | |
4853 jni_NewStringUTF, | |
4854 jni_GetStringUTFLength, | |
4855 jni_GetStringUTFChars, | |
4856 jni_ReleaseStringUTFChars, | |
4857 | |
4858 jni_GetArrayLength, | |
4859 | |
4860 jni_NewObjectArray, | |
4861 jni_GetObjectArrayElement, | |
4862 jni_SetObjectArrayElement, | |
4863 | |
4864 jni_NewBooleanArray, | |
4865 jni_NewByteArray, | |
4866 jni_NewCharArray, | |
4867 jni_NewShortArray, | |
4868 jni_NewIntArray, | |
4869 jni_NewLongArray, | |
4870 jni_NewFloatArray, | |
4871 jni_NewDoubleArray, | |
4872 | |
4873 jni_GetBooleanArrayElements, | |
4874 jni_GetByteArrayElements, | |
4875 jni_GetCharArrayElements, | |
4876 jni_GetShortArrayElements, | |
4877 jni_GetIntArrayElements, | |
4878 jni_GetLongArrayElements, | |
4879 jni_GetFloatArrayElements, | |
4880 jni_GetDoubleArrayElements, | |
4881 | |
4882 jni_ReleaseBooleanArrayElements, | |
4883 jni_ReleaseByteArrayElements, | |
4884 jni_ReleaseCharArrayElements, | |
4885 jni_ReleaseShortArrayElements, | |
4886 jni_ReleaseIntArrayElements, | |
4887 jni_ReleaseLongArrayElements, | |
4888 jni_ReleaseFloatArrayElements, | |
4889 jni_ReleaseDoubleArrayElements, | |
4890 | |
4891 jni_GetBooleanArrayRegion, | |
4892 jni_GetByteArrayRegion, | |
4893 jni_GetCharArrayRegion, | |
4894 jni_GetShortArrayRegion, | |
4895 jni_GetIntArrayRegion, | |
4896 jni_GetLongArrayRegion, | |
4897 jni_GetFloatArrayRegion, | |
4898 jni_GetDoubleArrayRegion, | |
4899 | |
4900 jni_SetBooleanArrayRegion, | |
4901 jni_SetByteArrayRegion, | |
4902 jni_SetCharArrayRegion, | |
4903 jni_SetShortArrayRegion, | |
4904 jni_SetIntArrayRegion, | |
4905 jni_SetLongArrayRegion, | |
4906 jni_SetFloatArrayRegion, | |
4907 jni_SetDoubleArrayRegion, | |
4908 | |
4909 jni_RegisterNatives, | |
4910 jni_UnregisterNatives, | |
4911 | |
4912 jni_MonitorEnter, | |
4913 jni_MonitorExit, | |
4914 | |
4915 jni_GetJavaVM, | |
4916 | |
4917 jni_GetStringRegion, | |
4918 jni_GetStringUTFRegion, | |
4919 | |
4920 jni_GetPrimitiveArrayCritical, | |
4921 jni_ReleasePrimitiveArrayCritical, | |
4922 | |
4923 jni_GetStringCritical, | |
4924 jni_ReleaseStringCritical, | |
4925 | |
4926 jni_NewWeakGlobalRef, | |
4927 jni_DeleteWeakGlobalRef, | |
4928 | |
4929 jni_ExceptionCheck, | |
4930 | |
4931 jni_NewDirectByteBuffer, | |
4932 jni_GetDirectBufferAddress, | |
4933 jni_GetDirectBufferCapacity, | |
4934 | |
4935 // New 1_6 features | |
4936 | |
4937 jni_GetObjectRefType | |
4938 }; | |
4939 | |
4940 | |
4941 // For jvmti use to modify jni function table. | |
4942 // Java threads in native contiues to run until it is transitioned | |
4943 // to VM at safepoint. Before the transition or before it is blocked | |
4944 // for safepoint it may access jni function table. VM could crash if | |
4945 // any java thread access the jni function table in the middle of memcpy. | |
4946 // To avoid this each function pointers are copied automically. | |
4947 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
4948 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
4949 intptr_t *a = (intptr_t *) jni_functions(); | |
4950 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
4951 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
4952 Atomic::store_ptr(*b++, a++); | |
4953 } | |
4954 } | |
4955 | |
4956 void quicken_jni_functions() { | |
4957 // Replace Get<Primitive>Field with fast versions | |
4958 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
4959 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
4960 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
4961 // windows x86 currently needs SEH wrapper and the gain of the fast | |
4962 // versions currently isn't certain for server vm on uniprocessor. | |
4963 && os::is_MP() | |
4964 #endif | |
4965 ) { | |
4966 address func; | |
4967 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
4968 if (func != (address)-1) { | |
4969 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
4970 } | |
4971 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
4972 if (func != (address)-1) { | |
4973 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
4974 } | |
4975 func = JNI_FastGetField::generate_fast_get_char_field(); | |
4976 if (func != (address)-1) { | |
4977 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
4978 } | |
4979 func = JNI_FastGetField::generate_fast_get_short_field(); | |
4980 if (func != (address)-1) { | |
4981 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
4982 } | |
4983 func = JNI_FastGetField::generate_fast_get_int_field(); | |
4984 if (func != (address)-1) { | |
4985 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
4986 } | |
4987 func = JNI_FastGetField::generate_fast_get_long_field(); | |
4988 if (func != (address)-1) { | |
4989 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
4990 } | |
4991 func = JNI_FastGetField::generate_fast_get_float_field(); | |
4992 if (func != (address)-1) { | |
4993 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
4994 } | |
4995 func = JNI_FastGetField::generate_fast_get_double_field(); | |
4996 if (func != (address)-1) { | |
4997 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
4998 } | |
4999 } | |
5000 } | |
5001 | |
5002 // Returns the function structure | |
5003 struct JNINativeInterface_* jni_functions() { | |
5004 #ifndef JNICHECK_KERNEL | |
5005 if (CheckJNICalls) return jni_functions_check(); | |
5006 #else // JNICHECK_KERNEL | |
5007 if (CheckJNICalls) warning("-Xcheck:jni is not supported in kernel vm."); | |
5008 #endif // JNICHECK_KERNEL | |
5009 return &jni_NativeInterface; | |
5010 } | |
5011 | |
5012 // Returns the function structure | |
5013 struct JNINativeInterface_* jni_functions_nocheck() { | |
5014 return &jni_NativeInterface; | |
5015 } | |
5016 | |
5017 | |
5018 // Invocation API | |
5019 | |
5020 | |
5021 // Forward declaration | |
5022 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
5023 | |
5024 // Global invocation API vars | |
5025 volatile jint vm_created = 0; | |
5026 // Indicate whether it is safe to recreate VM | |
5027 volatile jint safe_to_recreate_vm = 1; | |
5028 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
5029 | |
5030 | |
5031 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
5032 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
5033 | |
4006 | 5034 #ifndef USDT2 |
0 | 5035 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
5036 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
4006 | 5037 #else /* USDT2 */ |
5038 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
5039 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
5040 #endif /* USDT2 */ | |
0 | 5041 |
5042 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
4006 | 5043 #ifndef USDT2 |
0 | 5044 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
4006 | 5045 #else /* USDT2 */ |
5046 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
5047 args_); | |
5048 #endif /* USDT2 */ | |
0 | 5049 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
5050 jint ret = JNI_ERR; | |
5051 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
5052 | |
5053 if (Threads::is_supported_jni_version(args->version)) { | |
5054 ret = JNI_OK; | |
5055 } | |
5056 // 1.1 style no longer supported in hotspot. | |
5057 // According the JNI spec, we should update args->version on return. | |
5058 // We also use the structure to communicate with launcher about default | |
5059 // stack size. | |
5060 if (args->version == JNI_VERSION_1_1) { | |
5061 args->version = JNI_VERSION_1_2; | |
5062 // javaStackSize is int in arguments structure | |
5063 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
5064 args->javaStackSize = (jint)(ThreadStackSize * K); | |
5065 } | |
5066 return ret; | |
5067 } | |
5068 | |
3779 | 5069 #ifndef PRODUCT |
5070 | |
4708 | 5071 #include "gc_interface/collectedHeap.hpp" |
3779 | 5072 #include "utilities/quickSort.hpp" |
5073 | |
4708 | 5074 #define run_unit_test(unit_test_function_call) \ |
5075 tty->print_cr("Running test: " #unit_test_function_call); \ | |
5076 unit_test_function_call | |
5077 | |
3779 | 5078 void execute_internal_vm_tests() { |
5079 if (ExecuteInternalVMTests) { | |
4708 | 5080 tty->print_cr("Running internal VM tests"); |
5081 run_unit_test(arrayOopDesc::test_max_array_length()); | |
5082 run_unit_test(CollectedHeap::test_is_in()); | |
5083 run_unit_test(QuickSort::test_quick_sort()); | |
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
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parents:
4006
diff
changeset
|
5084 tty->print_cr("All internal VM tests passed"); |
3779 | 5085 } |
5086 } | |
5087 | |
4708 | 5088 #undef run_unit_test |
5089 | |
3779 | 5090 #endif |
5091 | |
4006 | 5092 #ifndef USDT2 |
0 | 5093 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
5094 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
4006 | 5095 #else /* USDT2 */ |
5096 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
5097 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
5098 #endif /* USDT2 */ | |
0 | 5099 |
5100 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
4006 | 5101 #ifndef USDT2 |
0 | 5102 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
4006 | 5103 #else /* USDT2 */ |
5104 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
5105 (void **) vm, penv, args); | |
5106 #endif /* USDT2 */ | |
0 | 5107 |
5108 jint result = JNI_ERR; | |
5109 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
5110 | |
1078 | 5111 // We're about to use Atomic::xchg for synchronization. Some Zero |
5112 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
5113 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
5114 // on all architectures. So we check it works before relying on it. | |
5115 #if defined(ZERO) && defined(ASSERT) | |
5116 { | |
5117 jint a = 0xcafebabe; | |
5118 jint b = Atomic::xchg(0xdeadbeef, &a); | |
5119 void *c = &a; | |
5120 void *d = Atomic::xchg_ptr(&b, &c); | |
1132 | 5121 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
1078 | 5122 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
5123 } | |
5124 #endif // ZERO && ASSERT | |
5125 | |
0 | 5126 // At the moment it's only possible to have one Java VM, |
5127 // since some of the runtime state is in global variables. | |
5128 | |
5129 // We cannot use our mutex locks here, since they only work on | |
5130 // Threads. We do an atomic compare and exchange to ensure only | |
5131 // one thread can call this method at a time | |
5132 | |
5133 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
5134 // the add/dec implementations are dependent on whether we are running | |
5135 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
5136 // function used to determine this will always return false. Atomic::xchg | |
5137 // does not have this problem. | |
5138 if (Atomic::xchg(1, &vm_created) == 1) { | |
5139 return JNI_ERR; // already created, or create attempt in progress | |
5140 } | |
5141 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
5142 return JNI_ERR; // someone tried and failed and retry not allowed. | |
5143 } | |
5144 | |
5145 assert(vm_created == 1, "vm_created is true during the creation"); | |
5146 | |
5147 /** | |
5148 * Certain errors during initialization are recoverable and do not | |
5149 * prevent this method from being called again at a later time | |
5150 * (perhaps with different arguments). However, at a certain | |
5151 * point during initialization if an error occurs we cannot allow | |
5152 * this function to be called again (or it will crash). In those | |
5153 * situations, the 'canTryAgain' flag is set to false, which atomically | |
5154 * sets safe_to_recreate_vm to 1, such that any new call to | |
5155 * JNI_CreateJavaVM will immediately fail using the above logic. | |
5156 */ | |
5157 bool can_try_again = true; | |
5158 | |
5159 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
5160 if (result == JNI_OK) { | |
5161 JavaThread *thread = JavaThread::current(); | |
5162 /* thread is thread_in_vm here */ | |
5163 *vm = (JavaVM *)(&main_vm); | |
5164 *(JNIEnv**)penv = thread->jni_environment(); | |
5165 | |
4368
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Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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4137
diff
changeset
|
5166 #ifdef GRAAL |
3650
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Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5167 GraalCompiler* compiler = GraalCompiler::instance(); |
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5168 ciObjectFactory::initialize(); |
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5169 compiler->initialize(); |
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5170 #endif |
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5171 |
5747
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5172 #ifdef HIGH_LEVEL_INTERPRETER |
120820e30baa
added basic high-level interpreter support to HotSpot
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parents:
4970
diff
changeset
|
5173 if (HighLevelInterpreterClass != NULL) { |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5174 bool result = VMToInterpreter::allocate_interpreter(HighLevelInterpreterClass, HighLevelInterpreterArguments, thread); |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5175 if (!result) { |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5176 vm_abort(false); |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5177 return JNI_ERR; |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5178 } |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5179 } |
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
5180 #endif |
120820e30baa
added basic high-level interpreter support to HotSpot
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diff
changeset
|
5181 |
0 | 5182 // Tracks the time application was running before GC |
5183 RuntimeService::record_application_start(); | |
5184 | |
5185 // Notify JVMTI | |
5186 if (JvmtiExport::should_post_thread_life()) { | |
5187 JvmtiExport::post_thread_start(thread); | |
5188 } | |
4800
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7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5189 |
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5190 EVENT_BEGIN(TraceEventThreadStart, event); |
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5191 EVENT_COMMIT(event, |
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5192 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
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4708
diff
changeset
|
5193 |
0 | 5194 // Check if we should compile all classes on bootclasspath |
5195 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
5196 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. | |
5197 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5198 } else { | |
5199 if (can_try_again) { | |
5200 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
5201 safe_to_recreate_vm = 1; | |
5202 } | |
5203 | |
5204 // Creation failed. We must reset vm_created | |
5205 *vm = 0; | |
5206 *(JNIEnv**)penv = 0; | |
5207 // reset vm_created last to avoid race condition. Use OrderAccess to | |
5208 // control both compiler and architectural-based reordering. | |
5209 OrderAccess::release_store(&vm_created, 0); | |
5210 } | |
5211 | |
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1290
diff
changeset
|
5212 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
3779 | 5213 NOT_PRODUCT(execute_internal_vm_tests()); |
0 | 5214 return result; |
5215 } | |
5216 | |
4006 | 5217 #ifndef USDT2 |
0 | 5218 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5219 JavaVM**, jsize, jsize*); | |
5220 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
4006 | 5221 #endif /* !USDT2 */ |
0 | 5222 |
5223 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
5224 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
5225 // JNIWrapper("GetCreatedJavaVMs"); | |
4006 | 5226 #ifndef USDT2 |
0 | 5227 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5228 vm_buf, bufLen, numVMs); | |
4006 | 5229 #else /* USDT2 */ |
5230 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
5231 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
5232 #endif /* USDT2 */ | |
0 | 5233 if (vm_created) { |
5234 if (numVMs != NULL) *numVMs = 1; | |
5235 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
5236 } else { | |
5237 if (numVMs != NULL) *numVMs = 0; | |
5238 } | |
4006 | 5239 #ifndef USDT2 |
0 | 5240 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
4006 | 5241 #else /* USDT2 */ |
5242 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
5243 JNI_OK); | |
5244 #endif /* USDT2 */ | |
0 | 5245 return JNI_OK; |
5246 } | |
5247 | |
5248 extern "C" { | |
5249 | |
4006 | 5250 #ifndef USDT2 |
0 | 5251 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
4006 | 5252 #else /* USDT2 */ |
5253 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
5254 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
5255 #endif /* USDT2 */ | |
0 | 5256 |
5257 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
4006 | 5258 #ifndef USDT2 |
0 | 5259 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
4006 | 5260 #else /* USDT2 */ |
5261 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
5262 vm); | |
5263 #endif /* USDT2 */ | |
0 | 5264 jint res = JNI_ERR; |
5265 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
5266 | |
5267 if (!vm_created) { | |
5268 res = JNI_ERR; | |
5269 return res; | |
5270 } | |
5271 | |
5272 JNIWrapper("DestroyJavaVM"); | |
5273 JNIEnv *env; | |
5274 JavaVMAttachArgs destroyargs; | |
5275 destroyargs.version = CurrentVersion; | |
5276 destroyargs.name = (char *)"DestroyJavaVM"; | |
5277 destroyargs.group = NULL; | |
5278 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
5279 if (res != JNI_OK) { | |
5280 return res; | |
5281 } | |
5282 | |
5283 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
5284 JavaThread* thread = JavaThread::current(); | |
5285 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5286 if (Threads::destroy_vm()) { | |
5287 // Should not change thread state, VM is gone | |
5288 vm_created = false; | |
5289 res = JNI_OK; | |
5290 return res; | |
5291 } else { | |
5292 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5293 res = JNI_ERR; | |
5294 return res; | |
5295 } | |
5296 } | |
5297 | |
5298 | |
5299 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
5300 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
5301 | |
5302 // Check below commented out from JDK1.2fcs as well | |
5303 /* | |
5304 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
5305 return JNI_EVERSION; | |
5306 } | |
5307 */ | |
5308 | |
5309 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
5310 if (t != NULL) { | |
5311 // If the thread has been attached this operation is a no-op | |
5312 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
5313 return JNI_OK; | |
5314 } | |
5315 | |
5316 // Create a thread and mark it as attaching so it will be skipped by the | |
5317 // ThreadsListEnumerator - see CR 6404306 | |
5318 JavaThread* thread = new JavaThread(true); | |
5319 | |
5320 // Set correct safepoint info. The thread is going to call into Java when | |
5321 // initializing the Java level thread object. Hence, the correct state must | |
5322 // be set in order for the Safepoint code to deal with it correctly. | |
5323 thread->set_thread_state(_thread_in_vm); | |
5324 // Must do this before initialize_thread_local_storage | |
5325 thread->record_stack_base_and_size(); | |
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6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
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1142
diff
changeset
|
5326 |
0 | 5327 thread->initialize_thread_local_storage(); |
5328 | |
5329 if (!os::create_attached_thread(thread)) { | |
5330 delete thread; | |
5331 return JNI_ERR; | |
5332 } | |
1290
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1142
diff
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|
5333 // Enable stack overflow checks |
c8a467bf56ad
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1142
diff
changeset
|
5334 thread->create_stack_guard_pages(); |
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6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
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1142
diff
changeset
|
5335 |
0 | 5336 thread->initialize_tlab(); |
5337 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5338 thread->cache_global_variables(); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
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1552
diff
changeset
|
5339 |
0 | 5340 // Crucial that we do not have a safepoint check for this thread, since it has |
5341 // not been added to the Thread list yet. | |
5342 { Threads_lock->lock_without_safepoint_check(); | |
5343 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
5344 // avoid this thread trying to do a GC before it is added to the thread-list | |
5345 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
5346 Threads::add(thread, daemon); | |
5347 Threads_lock->unlock(); | |
5348 } | |
5349 // Create thread group and name info from attach arguments | |
5350 oop group = NULL; | |
5351 char* thread_name = NULL; | |
5352 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
5353 group = JNIHandles::resolve(args->group); | |
5354 thread_name = args->name; // may be NULL | |
5355 } | |
5356 if (group == NULL) group = Universe::main_thread_group(); | |
5357 | |
5358 // Create Java level thread object and attach it to this thread | |
5359 bool attach_failed = false; | |
5360 { | |
5361 EXCEPTION_MARK; | |
5362 HandleMark hm(THREAD); | |
5363 Handle thread_group(THREAD, group); | |
5364 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
5365 if (HAS_PENDING_EXCEPTION) { | |
5366 CLEAR_PENDING_EXCEPTION; | |
5367 // cleanup outside the handle mark. | |
5368 attach_failed = true; | |
5369 } | |
5370 } | |
5371 | |
5372 if (attach_failed) { | |
5373 // Added missing cleanup | |
5374 thread->cleanup_failed_attach_current_thread(); | |
5375 return JNI_ERR; | |
5376 } | |
5377 | |
5378 // mark the thread as no longer attaching | |
5379 // this uses a fence to push the change through so we don't have | |
5380 // to regrab the threads_lock | |
4006 | 5381 thread->set_done_attaching_via_jni(); |
0 | 5382 |
5383 // Set java thread status. | |
5384 java_lang_Thread::set_thread_status(thread->threadObj(), | |
5385 java_lang_Thread::RUNNABLE); | |
5386 | |
5387 // Notify the debugger | |
5388 if (JvmtiExport::should_post_thread_life()) { | |
5389 JvmtiExport::post_thread_start(thread); | |
5390 } | |
5391 | |
4800
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5392 EVENT_BEGIN(TraceEventThreadStart, event); |
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5393 EVENT_COMMIT(event, |
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5394 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
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5395 |
0 | 5396 *(JNIEnv**)penv = thread->jni_environment(); |
5397 | |
5398 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
5399 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
5400 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
5401 // needed. | |
5402 | |
5403 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5404 | |
5405 // Perform any platform dependent FPU setup | |
5406 os::setup_fpu(); | |
5407 | |
5408 return JNI_OK; | |
5409 } | |
5410 | |
5411 | |
5412 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5413 #ifndef USDT2 |
0 | 5414 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
4006 | 5415 #else /* USDT2 */ |
5416 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
5417 vm, penv, _args); | |
5418 #endif /* USDT2 */ | |
0 | 5419 if (!vm_created) { |
4006 | 5420 #ifndef USDT2 |
0 | 5421 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
4006 | 5422 #else /* USDT2 */ |
5423 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5424 (uint32_t) JNI_ERR); | |
5425 #endif /* USDT2 */ | |
0 | 5426 return JNI_ERR; |
5427 } | |
5428 | |
5429 JNIWrapper("AttachCurrentThread"); | |
5430 jint ret = attach_current_thread(vm, penv, _args, false); | |
4006 | 5431 #ifndef USDT2 |
0 | 5432 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
4006 | 5433 #else /* USDT2 */ |
5434 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5435 ret); | |
5436 #endif /* USDT2 */ | |
0 | 5437 return ret; |
5438 } | |
5439 | |
5440 | |
5441 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
4006 | 5442 #ifndef USDT2 |
0 | 5443 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
4006 | 5444 #else /* USDT2 */ |
5445 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
5446 vm); | |
5447 #endif /* USDT2 */ | |
0 | 5448 VM_Exit::block_if_vm_exited(); |
5449 | |
5450 JNIWrapper("DetachCurrentThread"); | |
5451 | |
5452 // If the thread has been deattacted the operations is a no-op | |
5453 if (ThreadLocalStorage::thread() == NULL) { | |
4006 | 5454 #ifndef USDT2 |
0 | 5455 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5456 #else /* USDT2 */ |
5457 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5458 JNI_OK); | |
5459 #endif /* USDT2 */ | |
0 | 5460 return JNI_OK; |
5461 } | |
5462 | |
5463 JavaThread* thread = JavaThread::current(); | |
5464 if (thread->has_last_Java_frame()) { | |
4006 | 5465 #ifndef USDT2 |
0 | 5466 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
4006 | 5467 #else /* USDT2 */ |
5468 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5469 (uint32_t) JNI_ERR); | |
5470 #endif /* USDT2 */ | |
0 | 5471 // Can't detach a thread that's running java, that can't work. |
5472 return JNI_ERR; | |
5473 } | |
5474 | |
5475 // Safepoint support. Have to do call-back to safepoint code, if in the | |
5476 // middel of a safepoint operation | |
5477 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5478 | |
5479 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
5480 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
5481 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
5482 // of the guards is visible in jni_AttachCurrentThread above, | |
5483 // the removal of the guards is buried below in JavaThread::exit() | |
5484 // here. The abstraction should be more symmetrically either exposed | |
5485 // or hidden (e.g. it could probably be hidden in the same | |
5486 // (platform-dependent) methods where we do alternate stack | |
5487 // maintenance work?) | |
5488 thread->exit(false, JavaThread::jni_detach); | |
5489 delete thread; | |
5490 | |
4006 | 5491 #ifndef USDT2 |
0 | 5492 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5493 #else /* USDT2 */ |
5494 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5495 JNI_OK); | |
5496 #endif /* USDT2 */ | |
0 | 5497 return JNI_OK; |
5498 } | |
5499 | |
4006 | 5500 #ifndef USDT2 |
0 | 5501 DT_RETURN_MARK_DECL(GetEnv, jint); |
4006 | 5502 #else /* USDT2 */ |
5503 DT_RETURN_MARK_DECL(GetEnv, jint | |
5504 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
5505 #endif /* USDT2 */ | |
0 | 5506 |
5507 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
4006 | 5508 #ifndef USDT2 |
0 | 5509 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
4006 | 5510 #else /* USDT2 */ |
5511 HOTSPOT_JNI_GETENV_ENTRY( | |
5512 vm, penv, version); | |
5513 #endif /* USDT2 */ | |
0 | 5514 jint ret = JNI_ERR; |
5515 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
5516 | |
5517 if (!vm_created) { | |
5518 *penv = NULL; | |
5519 ret = JNI_EDETACHED; | |
5520 return ret; | |
5521 } | |
5522 | |
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5523 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
0 | 5524 return ret; |
5525 } | |
5526 | |
5527 #ifndef JVMPI_VERSION_1 | |
5528 // need these in order to be polite about older agents | |
5529 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
5530 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
5531 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
5532 #endif // !JVMPI_VERSION_1 | |
5533 | |
5534 Thread* thread = ThreadLocalStorage::thread(); | |
5535 if (thread != NULL && thread->is_Java_thread()) { | |
5536 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
5537 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
5538 ret = JNI_OK; | |
5539 return ret; | |
5540 | |
5541 } else if (version == JVMPI_VERSION_1 || | |
5542 version == JVMPI_VERSION_1_1 || | |
5543 version == JVMPI_VERSION_1_2) { | |
5544 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
5545 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5546 ret = JNI_EVERSION; | |
5547 return ret; | |
5548 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
5549 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
5550 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5551 ret = JNI_EVERSION; | |
5552 return ret; | |
5553 } else { | |
5554 *penv = NULL; | |
5555 ret = JNI_EVERSION; | |
5556 return ret; | |
5557 } | |
5558 } else { | |
5559 *penv = NULL; | |
5560 ret = JNI_EDETACHED; | |
5561 return ret; | |
5562 } | |
5563 } | |
5564 | |
5565 | |
5566 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5567 #ifndef USDT2 |
0 | 5568 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
4006 | 5569 #else /* USDT2 */ |
5570 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
5571 vm, penv, _args); | |
5572 #endif /* USDT2 */ | |
0 | 5573 if (!vm_created) { |
4006 | 5574 #ifndef USDT2 |
0 | 5575 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
4006 | 5576 #else /* USDT2 */ |
5577 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5578 (uint32_t) JNI_ERR); | |
5579 #endif /* USDT2 */ | |
0 | 5580 return JNI_ERR; |
5581 } | |
5582 | |
5583 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
5584 jint ret = attach_current_thread(vm, penv, _args, true); | |
4006 | 5585 #ifndef USDT2 |
0 | 5586 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
4006 | 5587 #else /* USDT2 */ |
5588 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5589 ret); | |
5590 #endif /* USDT2 */ | |
0 | 5591 return ret; |
5592 } | |
5593 | |
5594 | |
5595 } // End extern "C" | |
5596 | |
5597 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
5598 NULL, | |
5599 NULL, | |
5600 NULL, | |
5601 | |
5602 jni_DestroyJavaVM, | |
5603 jni_AttachCurrentThread, | |
5604 jni_DetachCurrentThread, | |
5605 jni_GetEnv, | |
5606 jni_AttachCurrentThreadAsDaemon | |
5607 }; |