Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 14335:4802ce6fbff6
8016644: Improve UnsupportedClassVersionError message
Summary: Improved the UnsupportedClassVersionError message to hopefully be more user friendly
Reviewed-by: coleenp, dholmes, twisti
author | ctornqvi |
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date | Mon, 10 Feb 2014 17:49:17 +0100 |
parents | 602e80a36dfb |
children | 553d15cdfec5 4f6bf7dd3f52 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2012 Red Hat, Inc. |
0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
0 | 23 * |
24 */ | |
25 | |
1972 | 26 #include "precompiled.hpp" |
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27 #include "ci/ciReplay.hpp" |
6162 | 28 #include "classfile/altHashing.hpp" |
1972 | 29 #include "classfile/classLoader.hpp" |
30 #include "classfile/javaClasses.hpp" | |
31 #include "classfile/symbolTable.hpp" | |
32 #include "classfile/systemDictionary.hpp" | |
33 #include "classfile/vmSymbols.hpp" | |
34 #include "interpreter/linkResolver.hpp" | |
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35 #include "utilities/macros.hpp" |
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36 #if INCLUDE_ALL_GCS |
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37 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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38 #endif // INCLUDE_ALL_GCS |
6197 | 39 #include "memory/allocation.hpp" |
1972 | 40 #include "memory/allocation.inline.hpp" |
41 #include "memory/gcLocker.inline.hpp" | |
42 #include "memory/oopFactory.hpp" | |
43 #include "memory/universe.inline.hpp" | |
44 #include "oops/instanceKlass.hpp" | |
45 #include "oops/instanceOop.hpp" | |
46 #include "oops/markOop.hpp" | |
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47 #include "oops/method.hpp" |
1972 | 48 #include "oops/objArrayKlass.hpp" |
49 #include "oops/objArrayOop.hpp" | |
50 #include "oops/oop.inline.hpp" | |
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51 #include "oops/symbol.hpp" |
1972 | 52 #include "oops/typeArrayKlass.hpp" |
53 #include "oops/typeArrayOop.hpp" | |
54 #include "prims/jni.h" | |
55 #include "prims/jniCheck.hpp" | |
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56 #include "prims/jniExport.hpp" |
1972 | 57 #include "prims/jniFastGetField.hpp" |
58 #include "prims/jvm.h" | |
59 #include "prims/jvm_misc.hpp" | |
60 #include "prims/jvmtiExport.hpp" | |
61 #include "prims/jvmtiThreadState.hpp" | |
62 #include "runtime/compilationPolicy.hpp" | |
63 #include "runtime/fieldDescriptor.hpp" | |
64 #include "runtime/fprofiler.hpp" | |
65 #include "runtime/handles.inline.hpp" | |
66 #include "runtime/interfaceSupport.hpp" | |
67 #include "runtime/java.hpp" | |
68 #include "runtime/javaCalls.hpp" | |
69 #include "runtime/jfieldIDWorkaround.hpp" | |
70 #include "runtime/reflection.hpp" | |
71 #include "runtime/sharedRuntime.hpp" | |
72 #include "runtime/signature.hpp" | |
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73 #include "runtime/thread.inline.hpp" |
1972 | 74 #include "runtime/vm_operations.hpp" |
75 #include "services/runtimeService.hpp" | |
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76 #include "trace/tracing.hpp" |
1972 | 77 #include "utilities/defaultStream.hpp" |
78 #include "utilities/dtrace.hpp" | |
79 #include "utilities/events.hpp" | |
80 #include "utilities/histogram.hpp" | |
81 #ifdef TARGET_OS_FAMILY_linux | |
82 # include "os_linux.inline.hpp" | |
83 #endif | |
84 #ifdef TARGET_OS_FAMILY_solaris | |
85 # include "os_solaris.inline.hpp" | |
86 #endif | |
87 #ifdef TARGET_OS_FAMILY_windows | |
88 # include "os_windows.inline.hpp" | |
89 #endif | |
3960 | 90 #ifdef TARGET_OS_FAMILY_bsd |
91 # include "os_bsd.inline.hpp" | |
92 #endif | |
0 | 93 |
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94 static jint CurrentVersion = JNI_VERSION_1_8; |
0 | 95 |
96 | |
97 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
98 // '-return' probe regardless of the return path is taken out of the function. | |
99 // Methods that have multiple return paths use this to avoid having to | |
100 // instrument each return path. Methods that use CHECK or THROW must use this | |
101 // since those macros can cause an immedate uninstrumented return. | |
102 // | |
103 // In order to get the return value, a reference to the variable containing | |
104 // the return value must be passed to the contructor of the object, and | |
105 // the return value must be set before return (since the mark object has | |
106 // a reference to it). | |
107 // | |
108 // Example: | |
109 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
110 // JNI_ENTRY(int, SomeFunc, ...) | |
111 // int return_value = 0; | |
112 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
113 // foo(CHECK_0) | |
114 // return_value = 5; | |
115 // return return_value; | |
116 // JNI_END | |
4006 | 117 #ifndef USDT2 |
0 | 118 #define DT_RETURN_MARK_DECL(name, type) \ |
119 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
120 DTRACE_ONLY( \ | |
121 class DTraceReturnProbeMark_##name { \ | |
122 public: \ | |
123 const type& _ret_ref; \ | |
124 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
125 ~DTraceReturnProbeMark_##name() { \ | |
126 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
127 } \ | |
128 } \ | |
129 ) | |
130 // Void functions are simpler since there's no return value | |
131 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
132 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
133 DTRACE_ONLY( \ | |
134 class DTraceReturnProbeMark_##name { \ | |
135 public: \ | |
136 ~DTraceReturnProbeMark_##name() { \ | |
137 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
138 } \ | |
139 } \ | |
140 ) | |
141 | |
4006 | 142 #else /* USDT2 */ |
143 | |
144 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
145 DTRACE_ONLY( \ | |
146 class DTraceReturnProbeMark_##name { \ | |
147 public: \ | |
148 const type& _ret_ref; \ | |
149 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
150 ~DTraceReturnProbeMark_##name() { \ | |
151 probe; \ | |
152 } \ | |
153 } \ | |
154 ) | |
155 // Void functions are simpler since there's no return value | |
156 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
157 DTRACE_ONLY( \ | |
158 class DTraceReturnProbeMark_##name { \ | |
159 public: \ | |
160 ~DTraceReturnProbeMark_##name() { \ | |
161 probe; \ | |
162 } \ | |
163 } \ | |
164 ) | |
165 #endif /* USDT2 */ | |
0 | 166 |
167 // Place these macros in the function to mark the return. Non-void | |
168 // functions need the type and address of the return value. | |
169 #define DT_RETURN_MARK(name, type, ref) \ | |
170 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
171 #define DT_VOID_RETURN_MARK(name) \ | |
172 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
173 | |
174 | |
175 // Use these to select distinct code for floating-point vs. non-floating point | |
176 // situations. Used from within common macros where we need slightly | |
177 // different behavior for Float/Double | |
178 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
179 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
180 #define FP_SELECT_Char(intcode, fpcode) intcode | |
181 #define FP_SELECT_Short(intcode, fpcode) intcode | |
182 #define FP_SELECT_Object(intcode, fpcode) intcode | |
183 #define FP_SELECT_Int(intcode, fpcode) intcode | |
184 #define FP_SELECT_Long(intcode, fpcode) intcode | |
185 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
186 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
187 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
188 FP_SELECT_##TypeName(intcode, fpcode) | |
189 | |
190 #define COMMA , | |
191 | |
192 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
193 // (dtrace doesn't do FP yet) | |
4006 | 194 #ifndef USDT2 |
0 | 195 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
196 FP_SELECT(TypeName, \ | |
197 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
4006 | 198 #else /* USDT2 */ |
199 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
200 FP_SELECT(TypeName, \ | |
201 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
202 #endif /* USDT2 */ | |
0 | 203 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
204 FP_SELECT(TypeName, \ | |
205 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
206 | |
207 | |
208 // out-of-line helpers for class jfieldIDWorkaround: | |
209 | |
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210 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
0 | 211 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
212 uintptr_t as_uint = (uintptr_t) id; | |
213 intptr_t offset = raw_instance_offset(id); | |
214 if (is_checked_jfieldID(id)) { | |
215 if (!klass_hash_ok(k, id)) { | |
216 return false; | |
217 } | |
218 } | |
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219 return InstanceKlass::cast(k)->contains_field_offset(offset); |
0 | 220 } else { |
221 JNIid* result = (JNIid*) id; | |
222 #ifdef ASSERT | |
223 return result != NULL && result->is_static_field_id(); | |
224 #else | |
225 return result != NULL; | |
226 #endif | |
227 } | |
228 } | |
229 | |
230 | |
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231 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
0 | 232 if (offset <= small_offset_mask) { |
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233 Klass* field_klass = k; |
6983 | 234 Klass* super_klass = field_klass->super(); |
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235 // With compressed oops the most super class with nonstatic fields would |
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236 // be the owner of fields embedded in the header. |
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237 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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238 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
0 | 239 field_klass = super_klass; // super contains the field also |
6983 | 240 super_klass = field_klass->super(); |
0 | 241 } |
242 debug_only(No_Safepoint_Verifier nosafepoint;) | |
243 uintptr_t klass_hash = field_klass->identity_hash(); | |
244 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
245 } else { | |
246 #if 0 | |
247 #ifndef PRODUCT | |
248 { | |
249 ResourceMark rm; | |
6983 | 250 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
0 | 251 } |
252 #endif | |
253 #endif | |
254 return 0; | |
255 } | |
256 } | |
257 | |
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258 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
0 | 259 uintptr_t as_uint = (uintptr_t) id; |
260 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
261 do { | |
262 debug_only(No_Safepoint_Verifier nosafepoint;) | |
263 // Could use a non-blocking query for identity_hash here... | |
264 if ((k->identity_hash() & klass_mask) == klass_hash) | |
265 return true; | |
6983 | 266 k = k->super(); |
0 | 267 } while (k != NULL); |
268 return false; | |
269 } | |
270 | |
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271 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
0 | 272 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
273 uintptr_t as_uint = (uintptr_t) id; | |
274 intptr_t offset = raw_instance_offset(id); | |
275 if (VerifyJNIFields) { | |
276 if (is_checked_jfieldID(id)) { | |
277 guarantee(klass_hash_ok(k, id), | |
278 "Bug in native code: jfieldID class must match object"); | |
279 } else { | |
280 #if 0 | |
281 #ifndef PRODUCT | |
282 if (Verbose) { | |
283 ResourceMark rm; | |
6983 | 284 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
0 | 285 } |
286 #endif | |
287 #endif | |
288 } | |
289 } | |
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290 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
0 | 291 "Bug in native code: jfieldID offset must address interior of object"); |
292 } | |
293 | |
294 // Pick a reasonable higher bound for local capacity requested | |
295 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
296 // high because a test (or very unusual application) may try to allocate | |
297 // that many handles and run out of swap space. An implementation is | |
298 // permitted to allocate more handles than the ensured capacity, so this | |
299 // value is set high enough to prevent compatibility problems. | |
300 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
301 | |
302 | |
303 // Wrapper to trace JNI functions | |
304 | |
305 #ifdef ASSERT | |
306 Histogram* JNIHistogram; | |
307 static volatile jint JNIHistogram_lock = 0; | |
308 | |
309 class JNITraceWrapper : public StackObj { | |
310 public: | |
311 JNITraceWrapper(const char* format, ...) { | |
312 if (TraceJNICalls) { | |
313 va_list ap; | |
314 va_start(ap, format); | |
315 tty->print("JNI "); | |
316 tty->vprint_cr(format, ap); | |
317 va_end(ap); | |
318 } | |
319 } | |
320 }; | |
321 | |
322 class JNIHistogramElement : public HistogramElement { | |
323 public: | |
324 JNIHistogramElement(const char* name); | |
325 }; | |
326 | |
327 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
328 _name = elementName; | |
329 uintx count = 0; | |
330 | |
331 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
332 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
333 count +=1; | |
334 if ( (WarnOnStalledSpinLock > 0) | |
335 && (count % WarnOnStalledSpinLock == 0)) { | |
336 warning("JNIHistogram_lock seems to be stalled"); | |
337 } | |
338 } | |
339 } | |
340 | |
341 | |
342 if(JNIHistogram == NULL) | |
343 JNIHistogram = new Histogram("JNI Call Counts",100); | |
344 | |
345 JNIHistogram->add_element(this); | |
346 Atomic::dec(&JNIHistogram_lock); | |
347 } | |
348 | |
349 #define JNICountWrapper(arg) \ | |
350 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
351 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
352 if (e != NULL) e->increment_count() | |
353 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
354 #else | |
355 #define JNIWrapper(arg) | |
356 #endif | |
357 | |
358 | |
359 // Implementation of JNI entries | |
360 | |
4006 | 361 #ifndef USDT2 |
0 | 362 DT_RETURN_MARK_DECL(DefineClass, jclass); |
4006 | 363 #else /* USDT2 */ |
364 DT_RETURN_MARK_DECL(DefineClass, jclass | |
365 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
366 #endif /* USDT2 */ | |
0 | 367 |
368 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
369 const jbyte *buf, jsize bufLen)) | |
370 JNIWrapper("DefineClass"); | |
371 | |
4006 | 372 #ifndef USDT2 |
0 | 373 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
374 env, name, loaderRef, buf, bufLen); | |
4006 | 375 #else /* USDT2 */ |
376 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
377 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
378 #endif /* USDT2 */ | |
0 | 379 jclass cls = NULL; |
380 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
381 | |
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382 TempNewSymbol class_name = NULL; |
0 | 383 // Since exceptions can be thrown, class initialization can take place |
384 // if name is NULL no check for class name in .class stream has to be made. | |
385 if (name != NULL) { | |
386 const int str_len = (int)strlen(name); | |
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387 if (str_len > Symbol::max_length()) { |
0 | 388 // It's impossible to create this class; the name cannot fit |
389 // into the constant pool. | |
390 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
391 } | |
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392 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 393 } |
394 ResourceMark rm(THREAD); | |
395 ClassFileStream st((u1*) buf, bufLen, NULL); | |
396 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
397 | |
398 if (UsePerfData && !class_loader.is_null()) { | |
399 // check whether the current caller thread holds the lock or not. | |
400 // If not, increment the corresponding counter | |
401 if (ObjectSynchronizer:: | |
402 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
403 ObjectSynchronizer::owner_self) { | |
404 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
405 } | |
406 } | |
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407 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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408 Handle(), &st, true, |
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409 CHECK_NULL); |
0 | 410 |
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411 if (TraceClassResolution && k != NULL) { |
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412 trace_class_resolution(k); |
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413 } |
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414 |
0 | 415 cls = (jclass)JNIHandles::make_local( |
6983 | 416 env, k->java_mirror()); |
0 | 417 return cls; |
418 JNI_END | |
419 | |
420 | |
421 | |
422 static bool first_time_FindClass = true; | |
423 | |
4006 | 424 #ifndef USDT2 |
0 | 425 DT_RETURN_MARK_DECL(FindClass, jclass); |
4006 | 426 #else /* USDT2 */ |
427 DT_RETURN_MARK_DECL(FindClass, jclass | |
428 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
429 #endif /* USDT2 */ | |
0 | 430 |
431 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
432 JNIWrapper("FindClass"); | |
4006 | 433 #ifndef USDT2 |
0 | 434 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
4006 | 435 #else /* USDT2 */ |
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436 HOTSPOT_JNI_FINDCLASS_ENTRY(env, (char *)name); |
4006 | 437 #endif /* USDT2 */ |
0 | 438 |
439 jclass result = NULL; | |
440 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
441 | |
442 // Remember if we are the first invocation of jni_FindClass | |
443 bool first_time = first_time_FindClass; | |
444 first_time_FindClass = false; | |
445 | |
446 // Sanity check the name: it cannot be null or larger than the maximum size | |
447 // name we can fit in the constant pool. | |
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448 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
0 | 449 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
450 } | |
451 | |
452 //%note jni_3 | |
453 Handle loader; | |
454 Handle protection_domain; | |
455 // Find calling class | |
456 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
457 if (k.not_null()) { | |
458 loader = Handle(THREAD, k->class_loader()); | |
459 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
460 // in the correct class context. | |
461 if (loader.is_null() && | |
462 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
463 JavaValue result(T_OBJECT); | |
464 JavaCalls::call_static(&result, k, | |
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465 vmSymbols::getFromClass_name(), |
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466 vmSymbols::void_class_signature(), |
0 | 467 thread); |
468 if (HAS_PENDING_EXCEPTION) { | |
469 Handle ex(thread, thread->pending_exception()); | |
470 CLEAR_PENDING_EXCEPTION; | |
471 THROW_HANDLE_0(ex); | |
472 } | |
473 oop mirror = (oop) result.get_jobject(); | |
474 loader = Handle(THREAD, | |
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475 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
0 | 476 protection_domain = Handle(THREAD, |
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477 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
0 | 478 } |
479 } else { | |
480 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
481 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
482 } | |
483 | |
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484 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 485 result = find_class_from_class_loader(env, sym, true, loader, |
486 protection_domain, true, thread); | |
487 | |
657
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488 if (TraceClassResolution && result != NULL) { |
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489 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
657
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490 } |
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491 |
0 | 492 // If we were the first invocation of jni_FindClass, we enable compilation again |
493 // rather than just allowing invocation counter to overflow and decay. | |
494 // Controlled by flag DelayCompilationDuringStartup. | |
495 if (first_time && !CompileTheWorld) | |
496 CompilationPolicy::completed_vm_startup(); | |
497 | |
498 return result; | |
499 JNI_END | |
500 | |
4006 | 501 #ifndef USDT2 |
0 | 502 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
4006 | 503 #else /* USDT2 */ |
504 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
505 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
506 #endif /* USDT2 */ | |
0 | 507 |
508 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
509 JNIWrapper("FromReflectedMethod"); | |
4006 | 510 #ifndef USDT2 |
0 | 511 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
4006 | 512 #else /* USDT2 */ |
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513 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY(env, method); |
4006 | 514 #endif /* USDT2 */ |
0 | 515 jmethodID ret = NULL; |
516 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
517 | |
518 // method is a handle to a java.lang.reflect.Method object | |
519 oop reflected = JNIHandles::resolve_non_null(method); | |
520 oop mirror = NULL; | |
521 int slot = 0; | |
522 | |
1142 | 523 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
0 | 524 mirror = java_lang_reflect_Constructor::clazz(reflected); |
525 slot = java_lang_reflect_Constructor::slot(reflected); | |
526 } else { | |
1142 | 527 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
0 | 528 mirror = java_lang_reflect_Method::clazz(reflected); |
529 slot = java_lang_reflect_Method::slot(reflected); | |
530 } | |
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531 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 532 |
533 KlassHandle k1(THREAD, k); | |
534 // Make sure class is initialized before handing id's out to methods | |
6983 | 535 k1()->initialize(CHECK_NULL); |
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536 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
0 | 537 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
538 return ret; | |
539 JNI_END | |
540 | |
4006 | 541 #ifndef USDT2 |
0 | 542 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
4006 | 543 #else /* USDT2 */ |
544 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
545 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
546 #endif /* USDT2 */ | |
0 | 547 |
548 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
549 JNIWrapper("FromReflectedField"); | |
4006 | 550 #ifndef USDT2 |
0 | 551 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
4006 | 552 #else /* USDT2 */ |
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553 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY(env, field); |
4006 | 554 #endif /* USDT2 */ |
0 | 555 jfieldID ret = NULL; |
556 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
557 | |
558 // field is a handle to a java.lang.reflect.Field object | |
559 oop reflected = JNIHandles::resolve_non_null(field); | |
560 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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561 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 562 int slot = java_lang_reflect_Field::slot(reflected); |
563 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
564 | |
565 KlassHandle k1(THREAD, k); | |
566 // Make sure class is initialized before handing id's out to fields | |
6983 | 567 k1()->initialize(CHECK_NULL); |
0 | 568 |
569 // First check if this is a static field | |
570 if (modifiers & JVM_ACC_STATIC) { | |
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571 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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572 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
0 | 573 assert(id != NULL, "corrupt Field object"); |
574 debug_only(id->set_is_static_field_id();) | |
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575 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
0 | 576 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
577 return ret; | |
578 } | |
579 | |
580 // The slot is the index of the field description in the field-array | |
581 // The jfieldID is the offset of the field within the object | |
582 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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583 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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584 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
0 | 585 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
586 return ret; | |
587 JNI_END | |
588 | |
4006 | 589 #ifndef USDT2 |
0 | 590 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
4006 | 591 #else /* USDT2 */ |
592 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
593 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
594 #endif /* USDT2 */ | |
0 | 595 |
596 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
597 JNIWrapper("ToReflectedMethod"); | |
4006 | 598 #ifndef USDT2 |
0 | 599 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
4006 | 600 #else /* USDT2 */ |
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601 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY(env, cls, (uintptr_t) method_id, isStatic); |
4006 | 602 #endif /* USDT2 */ |
0 | 603 jobject ret = NULL; |
604 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
605 | |
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606 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 607 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
608 oop reflection_method; | |
609 if (m->is_initializer()) { | |
610 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
611 } else { | |
612 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
613 } | |
614 ret = JNIHandles::make_local(env, reflection_method); | |
615 return ret; | |
616 JNI_END | |
617 | |
4006 | 618 #ifndef USDT2 |
0 | 619 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
4006 | 620 #else /* USDT2 */ |
621 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
622 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
623 #endif /* USDT2 */ | |
0 | 624 |
625 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
626 JNIWrapper("GetSuperclass"); | |
4006 | 627 #ifndef USDT2 |
0 | 628 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
4006 | 629 #else /* USDT2 */ |
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630 HOTSPOT_JNI_GETSUPERCLASS_ENTRY(env, sub); |
4006 | 631 #endif /* USDT2 */ |
0 | 632 jclass obj = NULL; |
633 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
634 | |
635 oop mirror = JNIHandles::resolve_non_null(sub); | |
636 // primitive classes return NULL | |
637 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
638 | |
639 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
640 // arrays return Object | |
641 // interfaces return NULL | |
642 // proper classes return Klass::super() | |
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643 Klass* k = java_lang_Class::as_Klass(mirror); |
6983 | 644 if (k->is_interface()) return NULL; |
0 | 645 |
646 // return mirror for superclass | |
6983 | 647 Klass* super = k->java_super(); |
0 | 648 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
6983 | 649 debug_only(Klass* super2 = ( k->oop_is_array() |
1142 | 650 ? SystemDictionary::Object_klass() |
6983 | 651 : k->super() ) ); |
0 | 652 assert(super == super2, |
653 "java_super computation depends on interface, array, other super"); | |
6983 | 654 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
0 | 655 return obj; |
656 JNI_END | |
657 | |
658 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
659 JNIWrapper("IsSubclassOf"); | |
4006 | 660 #ifndef USDT2 |
0 | 661 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
4006 | 662 #else /* USDT2 */ |
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663 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY(env, sub, super); |
4006 | 664 #endif /* USDT2 */ |
0 | 665 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
666 oop super_mirror = JNIHandles::resolve_non_null(super); | |
667 if (java_lang_Class::is_primitive(sub_mirror) || | |
668 java_lang_Class::is_primitive(super_mirror)) { | |
669 jboolean ret = (sub_mirror == super_mirror); | |
4006 | 670 #ifndef USDT2 |
0 | 671 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 672 #else /* USDT2 */ |
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673 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(ret); |
4006 | 674 #endif /* USDT2 */ |
0 | 675 return ret; |
676 } | |
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677 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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678 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
0 | 679 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
6983 | 680 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
0 | 681 JNI_TRUE : JNI_FALSE; |
4006 | 682 #ifndef USDT2 |
0 | 683 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 684 #else /* USDT2 */ |
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685 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(ret); |
4006 | 686 #endif /* USDT2 */ |
0 | 687 return ret; |
688 JNI_END | |
689 | |
4006 | 690 #ifndef USDT2 |
0 | 691 DT_RETURN_MARK_DECL(Throw, jint); |
4006 | 692 #else /* USDT2 */ |
693 DT_RETURN_MARK_DECL(Throw, jint | |
694 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
695 #endif /* USDT2 */ | |
0 | 696 |
697 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
698 JNIWrapper("Throw"); | |
4006 | 699 #ifndef USDT2 |
0 | 700 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
4006 | 701 #else /* USDT2 */ |
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702 HOTSPOT_JNI_THROW_ENTRY(env, obj); |
4006 | 703 #endif /* USDT2 */ |
0 | 704 jint ret = JNI_OK; |
705 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
706 | |
707 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
708 ShouldNotReachHere(); | |
709 JNI_END | |
710 | |
4006 | 711 #ifndef USDT2 |
0 | 712 DT_RETURN_MARK_DECL(ThrowNew, jint); |
4006 | 713 #else /* USDT2 */ |
714 DT_RETURN_MARK_DECL(ThrowNew, jint | |
715 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
716 #endif /* USDT2 */ | |
0 | 717 |
718 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
719 JNIWrapper("ThrowNew"); | |
4006 | 720 #ifndef USDT2 |
0 | 721 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
4006 | 722 #else /* USDT2 */ |
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723 HOTSPOT_JNI_THROWNEW_ENTRY(env, clazz, (char *) message); |
4006 | 724 #endif /* USDT2 */ |
0 | 725 jint ret = JNI_OK; |
726 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
727 | |
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728 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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729 Symbol* name = k->name(); |
0 | 730 Handle class_loader (THREAD, k->class_loader()); |
731 Handle protection_domain (THREAD, k->protection_domain()); | |
732 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
733 ShouldNotReachHere(); | |
734 JNI_END | |
735 | |
736 | |
737 // JNI functions only transform a pending async exception to a synchronous | |
738 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
739 // delivering an async exception in other places won't change the native | |
740 // code's control flow and would be harmful when native code further calls | |
741 // JNI functions with a pending exception. Async exception is also checked | |
742 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
743 // false but deliver the async exception at the very end during | |
744 // state transition. | |
745 | |
746 static void jni_check_async_exceptions(JavaThread *thread) { | |
747 assert(thread == Thread::current(), "must be itself"); | |
748 thread->check_and_handle_async_exceptions(); | |
749 } | |
750 | |
751 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
752 JNIWrapper("ExceptionOccurred"); | |
4006 | 753 #ifndef USDT2 |
0 | 754 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
4006 | 755 #else /* USDT2 */ |
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756 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY(env); |
4006 | 757 #endif /* USDT2 */ |
0 | 758 jni_check_async_exceptions(thread); |
759 oop exception = thread->pending_exception(); | |
760 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
4006 | 761 #ifndef USDT2 |
0 | 762 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
4006 | 763 #else /* USDT2 */ |
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764 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN(ret); |
4006 | 765 #endif /* USDT2 */ |
0 | 766 return ret; |
767 JNI_END | |
768 | |
769 | |
770 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
771 JNIWrapper("ExceptionDescribe"); | |
4006 | 772 #ifndef USDT2 |
0 | 773 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
4006 | 774 #else /* USDT2 */ |
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775 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY(env); |
4006 | 776 #endif /* USDT2 */ |
0 | 777 if (thread->has_pending_exception()) { |
778 Handle ex(thread, thread->pending_exception()); | |
779 thread->clear_pending_exception(); | |
1142 | 780 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
0 | 781 // Don't print anything if we are being killed. |
782 } else { | |
783 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
784 if (thread != NULL && thread->threadObj() != NULL) { | |
785 ResourceMark rm(THREAD); | |
786 jio_fprintf(defaultStream::error_stream(), | |
787 "in thread \"%s\" ", thread->get_thread_name()); | |
788 } | |
1142 | 789 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
0 | 790 JavaValue result(T_VOID); |
791 JavaCalls::call_virtual(&result, | |
792 ex, | |
793 KlassHandle(THREAD, | |
1142 | 794 SystemDictionary::Throwable_klass()), |
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795 vmSymbols::printStackTrace_name(), |
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796 vmSymbols::void_method_signature(), |
0 | 797 THREAD); |
798 // If an exception is thrown in the call it gets thrown away. Not much | |
799 // we can do with it. The native code that calls this, does not check | |
800 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
801 // called, potentially causing a few asserts to trigger - since no pending exception | |
802 // is expected. | |
803 CLEAR_PENDING_EXCEPTION; | |
804 } else { | |
805 ResourceMark rm(THREAD); | |
806 jio_fprintf(defaultStream::error_stream(), | |
807 ". Uncaught exception of type %s.", | |
6983 | 808 ex->klass()->external_name()); |
0 | 809 } |
810 } | |
811 } | |
4006 | 812 #ifndef USDT2 |
0 | 813 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
4006 | 814 #else /* USDT2 */ |
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815 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN(); |
4006 | 816 #endif /* USDT2 */ |
0 | 817 JNI_END |
818 | |
819 | |
820 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
821 JNIWrapper("ExceptionClear"); | |
4006 | 822 #ifndef USDT2 |
0 | 823 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
4006 | 824 #else /* USDT2 */ |
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825 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY(env); |
4006 | 826 #endif /* USDT2 */ |
0 | 827 |
828 // The jni code might be using this API to clear java thrown exception. | |
829 // So just mark jvmti thread exception state as exception caught. | |
830 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
831 if (state != NULL && state->is_exception_detected()) { | |
832 state->set_exception_caught(); | |
833 } | |
834 thread->clear_pending_exception(); | |
4006 | 835 #ifndef USDT2 |
0 | 836 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
4006 | 837 #else /* USDT2 */ |
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838 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN(); |
4006 | 839 #endif /* USDT2 */ |
0 | 840 JNI_END |
841 | |
842 | |
843 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
844 JNIWrapper("FatalError"); | |
4006 | 845 #ifndef USDT2 |
0 | 846 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
4006 | 847 #else /* USDT2 */ |
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848 HOTSPOT_JNI_FATALERROR_ENTRY(env, (char *) msg); |
4006 | 849 #endif /* USDT2 */ |
0 | 850 tty->print_cr("FATAL ERROR in native method: %s", msg); |
851 thread->print_stack(); | |
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852 os::abort(); // Dump core and abort |
0 | 853 JNI_END |
854 | |
855 | |
856 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
857 JNIWrapper("PushLocalFrame"); | |
4006 | 858 #ifndef USDT2 |
0 | 859 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
4006 | 860 #else /* USDT2 */ |
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861 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY(env, capacity); |
4006 | 862 #endif /* USDT2 */ |
0 | 863 //%note jni_11 |
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864 if (capacity < 0 || capacity > MAX_REASONABLE_LOCAL_CAPACITY) { |
4006 | 865 #ifndef USDT2 |
0 | 866 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
4006 | 867 #else /* USDT2 */ |
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868 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN((uint32_t)JNI_ERR); |
4006 | 869 #endif /* USDT2 */ |
0 | 870 return JNI_ERR; |
871 } | |
872 JNIHandleBlock* old_handles = thread->active_handles(); | |
873 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
874 assert(new_handles != NULL, "should not be NULL"); | |
875 new_handles->set_pop_frame_link(old_handles); | |
876 thread->set_active_handles(new_handles); | |
877 jint ret = JNI_OK; | |
4006 | 878 #ifndef USDT2 |
0 | 879 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
4006 | 880 #else /* USDT2 */ |
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881 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(ret); |
4006 | 882 #endif /* USDT2 */ |
0 | 883 return ret; |
884 JNI_END | |
885 | |
886 | |
887 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
888 JNIWrapper("PopLocalFrame"); | |
4006 | 889 #ifndef USDT2 |
0 | 890 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
4006 | 891 #else /* USDT2 */ |
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892 HOTSPOT_JNI_POPLOCALFRAME_ENTRY(env, result); |
4006 | 893 #endif /* USDT2 */ |
0 | 894 //%note jni_11 |
895 Handle result_handle(thread, JNIHandles::resolve(result)); | |
896 JNIHandleBlock* old_handles = thread->active_handles(); | |
897 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
898 if (new_handles != NULL) { | |
899 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
900 // This way code will still work if PopLocalFrame is called without a corresponding | |
901 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
902 // the release_block call will release the blocks. | |
903 thread->set_active_handles(new_handles); | |
904 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
905 JNIHandleBlock::release_block(old_handles, thread); // may block | |
906 result = JNIHandles::make_local(thread, result_handle()); | |
907 } | |
4006 | 908 #ifndef USDT2 |
0 | 909 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
4006 | 910 #else /* USDT2 */ |
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911 HOTSPOT_JNI_POPLOCALFRAME_RETURN(result); |
4006 | 912 #endif /* USDT2 */ |
0 | 913 return result; |
914 JNI_END | |
915 | |
916 | |
917 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
918 JNIWrapper("NewGlobalRef"); | |
4006 | 919 #ifndef USDT2 |
0 | 920 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
4006 | 921 #else /* USDT2 */ |
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922 HOTSPOT_JNI_NEWGLOBALREF_ENTRY(env, ref); |
4006 | 923 #endif /* USDT2 */ |
0 | 924 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
925 jobject ret = JNIHandles::make_global(ref_handle); | |
4006 | 926 #ifndef USDT2 |
0 | 927 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
4006 | 928 #else /* USDT2 */ |
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929 HOTSPOT_JNI_NEWGLOBALREF_RETURN(ret); |
4006 | 930 #endif /* USDT2 */ |
0 | 931 return ret; |
932 JNI_END | |
933 | |
934 // Must be JNI_ENTRY (with HandleMark) | |
935 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
936 JNIWrapper("DeleteGlobalRef"); | |
4006 | 937 #ifndef USDT2 |
0 | 938 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
4006 | 939 #else /* USDT2 */ |
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940 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY(env, ref); |
4006 | 941 #endif /* USDT2 */ |
0 | 942 JNIHandles::destroy_global(ref); |
4006 | 943 #ifndef USDT2 |
0 | 944 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
4006 | 945 #else /* USDT2 */ |
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946 HOTSPOT_JNI_DELETEGLOBALREF_RETURN(); |
4006 | 947 #endif /* USDT2 */ |
0 | 948 JNI_END |
949 | |
950 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
951 JNIWrapper("DeleteLocalRef"); | |
4006 | 952 #ifndef USDT2 |
0 | 953 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
4006 | 954 #else /* USDT2 */ |
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955 HOTSPOT_JNI_DELETELOCALREF_ENTRY(env, obj); |
4006 | 956 #endif /* USDT2 */ |
0 | 957 JNIHandles::destroy_local(obj); |
4006 | 958 #ifndef USDT2 |
0 | 959 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
4006 | 960 #else /* USDT2 */ |
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961 HOTSPOT_JNI_DELETELOCALREF_RETURN(); |
4006 | 962 #endif /* USDT2 */ |
0 | 963 JNI_END |
964 | |
965 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
966 JNIWrapper("IsSameObject"); | |
4006 | 967 #ifndef USDT2 |
0 | 968 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
4006 | 969 #else /* USDT2 */ |
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970 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY(env, r1, r2); |
4006 | 971 #endif /* USDT2 */ |
0 | 972 oop a = JNIHandles::resolve(r1); |
973 oop b = JNIHandles::resolve(r2); | |
974 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
4006 | 975 #ifndef USDT2 |
0 | 976 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
4006 | 977 #else /* USDT2 */ |
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978 HOTSPOT_JNI_ISSAMEOBJECT_RETURN(ret); |
4006 | 979 #endif /* USDT2 */ |
0 | 980 return ret; |
981 JNI_END | |
982 | |
983 | |
984 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
985 JNIWrapper("NewLocalRef"); | |
4006 | 986 #ifndef USDT2 |
0 | 987 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
4006 | 988 #else /* USDT2 */ |
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989 HOTSPOT_JNI_NEWLOCALREF_ENTRY(env, ref); |
4006 | 990 #endif /* USDT2 */ |
0 | 991 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
4006 | 992 #ifndef USDT2 |
0 | 993 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
4006 | 994 #else /* USDT2 */ |
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995 HOTSPOT_JNI_NEWLOCALREF_RETURN(ret); |
4006 | 996 #endif /* USDT2 */ |
0 | 997 return ret; |
998 JNI_END | |
999 | |
1000 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
1001 JNIWrapper("EnsureLocalCapacity"); | |
4006 | 1002 #ifndef USDT2 |
0 | 1003 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
4006 | 1004 #else /* USDT2 */ |
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1005 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY(env, capacity); |
4006 | 1006 #endif /* USDT2 */ |
0 | 1007 jint ret; |
1008 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
1009 ret = JNI_OK; | |
1010 } else { | |
1011 ret = JNI_ERR; | |
1012 } | |
4006 | 1013 #ifndef USDT2 |
0 | 1014 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
4006 | 1015 #else /* USDT2 */ |
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1016 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN(ret); |
4006 | 1017 #endif /* USDT2 */ |
0 | 1018 return ret; |
1019 JNI_END | |
1020 | |
1021 // Return the Handle Type | |
1022 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
1023 JNIWrapper("GetObjectRefType"); | |
4006 | 1024 #ifndef USDT2 |
0 | 1025 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
4006 | 1026 #else /* USDT2 */ |
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1027 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY(env, obj); |
4006 | 1028 #endif /* USDT2 */ |
0 | 1029 jobjectRefType ret; |
1030 if (JNIHandles::is_local_handle(thread, obj) || | |
1031 JNIHandles::is_frame_handle(thread, obj)) | |
1032 ret = JNILocalRefType; | |
1033 else if (JNIHandles::is_global_handle(obj)) | |
1034 ret = JNIGlobalRefType; | |
1035 else if (JNIHandles::is_weak_global_handle(obj)) | |
1036 ret = JNIWeakGlobalRefType; | |
1037 else | |
1038 ret = JNIInvalidRefType; | |
4006 | 1039 #ifndef USDT2 |
0 | 1040 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
4006 | 1041 #else /* USDT2 */ |
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1042 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN((void *) ret); |
4006 | 1043 #endif /* USDT2 */ |
0 | 1044 return ret; |
1045 JNI_END | |
1046 | |
1047 | |
1048 class JNI_ArgumentPusher : public SignatureIterator { | |
1049 protected: | |
1050 JavaCallArguments* _arguments; | |
1051 | |
1052 virtual void get_bool () = 0; | |
1053 virtual void get_char () = 0; | |
1054 virtual void get_short () = 0; | |
1055 virtual void get_byte () = 0; | |
1056 virtual void get_int () = 0; | |
1057 virtual void get_long () = 0; | |
1058 virtual void get_float () = 0; | |
1059 virtual void get_double () = 0; | |
1060 virtual void get_object () = 0; | |
1061 | |
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1062 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
0 | 1063 this->_return_type = T_ILLEGAL; |
1064 _arguments = NULL; | |
1065 } | |
1066 | |
1067 public: | |
1068 virtual void iterate( uint64_t fingerprint ) = 0; | |
1069 | |
1070 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
1071 | |
1072 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
1073 inline void do_char() { if (!is_return_type()) get_char(); } | |
1074 inline void do_short() { if (!is_return_type()) get_short(); } | |
1075 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
1076 inline void do_int() { if (!is_return_type()) get_int(); } | |
1077 inline void do_long() { if (!is_return_type()) get_long(); } | |
1078 inline void do_float() { if (!is_return_type()) get_float(); } | |
1079 inline void do_double() { if (!is_return_type()) get_double(); } | |
1080 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
1081 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
1082 inline void do_void() { } | |
1083 | |
1084 JavaCallArguments* arguments() { return _arguments; } | |
1085 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
1086 }; | |
1087 | |
1088 | |
1089 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
1090 protected: | |
1091 va_list _ap; | |
1092 | |
1093 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
1094 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
1095 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
1096 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
1097 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
1098 | |
1099 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
1100 | |
1101 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
1102 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
1103 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
1104 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
1105 _arguments->push_oop(Handle((oop *)l, false)); } | |
1106 | |
1107 inline void set_ap(va_list rap) { | |
1108 #ifdef va_copy | |
1109 va_copy(_ap, rap); | |
1110 #elif defined (__va_copy) | |
1111 __va_copy(_ap, rap); | |
1112 #else | |
1113 _ap = rap; | |
1114 #endif | |
1115 } | |
1116 | |
1117 public: | |
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1118 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1119 : JNI_ArgumentPusher(signature) { |
0 | 1120 set_ap(rap); |
1121 } | |
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1122 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1123 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 1124 set_ap(rap); |
1125 } | |
1126 | |
1127 // Optimized path if we have the bitvector form of signature | |
1128 void iterate( uint64_t fingerprint ) { | |
1129 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
1130 else { | |
1131 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1132 result_feature_mask); | |
1133 | |
1134 assert(fingerprint, "Fingerprint should not be 0"); | |
1135 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1136 while ( 1 ) { | |
1137 switch ( fingerprint & parameter_feature_mask ) { | |
1138 case bool_parm: | |
1139 case char_parm: | |
1140 case short_parm: | |
1141 case byte_parm: | |
1142 case int_parm: | |
1143 get_int(); | |
1144 break; | |
1145 case obj_parm: | |
1146 get_object(); | |
1147 break; | |
1148 case long_parm: | |
1149 get_long(); | |
1150 break; | |
1151 case float_parm: | |
1152 get_float(); | |
1153 break; | |
1154 case double_parm: | |
1155 get_double(); | |
1156 break; | |
1157 case done_parm: | |
1158 return; | |
1159 break; | |
1160 default: | |
1161 ShouldNotReachHere(); | |
1162 break; | |
1163 } | |
1164 fingerprint >>= parameter_feature_size; | |
1165 } | |
1166 } | |
1167 } | |
1168 }; | |
1169 | |
1170 | |
1171 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
1172 protected: | |
1173 const jvalue *_ap; | |
1174 | |
1175 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
1176 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
1177 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
1178 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
1179 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
1180 | |
1181 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
1182 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
1183 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
1184 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
1185 | |
1186 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
1187 | |
1188 public: | |
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1189 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1190 : JNI_ArgumentPusher(signature) { |
0 | 1191 set_ap(rap); |
1192 } | |
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1193 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1194 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 1195 set_ap(rap); |
1196 } | |
1197 | |
1198 // Optimized path if we have the bitvector form of signature | |
1199 void iterate( uint64_t fingerprint ) { | |
1200 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
1201 else { | |
1202 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1203 result_feature_mask); | |
1204 assert(fingerprint, "Fingerprint should not be 0"); | |
1205 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1206 while ( 1 ) { | |
1207 switch ( fingerprint & parameter_feature_mask ) { | |
1208 case bool_parm: | |
1209 get_bool(); | |
1210 break; | |
1211 case char_parm: | |
1212 get_char(); | |
1213 break; | |
1214 case short_parm: | |
1215 get_short(); | |
1216 break; | |
1217 case byte_parm: | |
1218 get_byte(); | |
1219 break; | |
1220 case int_parm: | |
1221 get_int(); | |
1222 break; | |
1223 case obj_parm: | |
1224 get_object(); | |
1225 break; | |
1226 case long_parm: | |
1227 get_long(); | |
1228 break; | |
1229 case float_parm: | |
1230 get_float(); | |
1231 break; | |
1232 case double_parm: | |
1233 get_double(); | |
1234 break; | |
1235 case done_parm: | |
1236 return; | |
1237 break; | |
1238 default: | |
1239 ShouldNotReachHere(); | |
1240 break; | |
1241 } | |
1242 fingerprint >>= parameter_feature_size; | |
1243 } | |
1244 } | |
1245 } | |
1246 }; | |
1247 | |
1248 | |
1249 enum JNICallType { | |
1250 JNI_STATIC, | |
1251 JNI_VIRTUAL, | |
1252 JNI_NONVIRTUAL | |
1253 }; | |
1254 | |
1255 | |
1256 | |
1257 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
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1258 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 1259 |
1260 // Create object to hold arguments for the JavaCall, and associate it with | |
1261 // the jni parser | |
1262 ResourceMark rm(THREAD); | |
1263 int number_of_parameters = method->size_of_parameters(); | |
1264 JavaCallArguments java_args(number_of_parameters); | |
1265 args->set_java_argument_object(&java_args); | |
1266 | |
1267 assert(method->is_static(), "method should be static"); | |
1268 | |
1269 // Fill out JavaCallArguments object | |
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1270 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1271 // Initialize result type |
1272 result->set_type(args->get_ret_type()); | |
1273 | |
1274 // Invoke the method. Result is returned as oop. | |
1275 JavaCalls::call(result, method, &java_args, CHECK); | |
1276 | |
1277 // Convert result | |
1278 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1279 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1280 } | |
1281 } | |
1282 | |
1283 | |
1284 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1285 oop recv = JNIHandles::resolve(receiver); | |
1286 if (recv == NULL) { | |
1287 THROW(vmSymbols::java_lang_NullPointerException()); | |
1288 } | |
1289 Handle h_recv(THREAD, recv); | |
1290 | |
1291 int number_of_parameters; | |
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1292 Method* selected_method; |
0 | 1293 { |
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1294 Method* m = Method::resolve_jmethod_id(method_id); |
0 | 1295 number_of_parameters = m->size_of_parameters(); |
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1296 Klass* holder = m->method_holder(); |
6983 | 1297 if (!(holder)->is_interface()) { |
0 | 1298 // non-interface call -- for that little speed boost, don't handlize |
1299 debug_only(No_Safepoint_Verifier nosafepoint;) | |
1300 if (call_type == JNI_VIRTUAL) { | |
1301 // jni_GetMethodID makes sure class is linked and initialized | |
1302 // so m should have a valid vtable index. | |
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1303 assert(!m->has_itable_index(), ""); |
0 | 1304 int vtbl_index = m->vtable_index(); |
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1305 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1306 Klass* k = h_recv->klass(); |
0 | 1307 // k might be an arrayKlassOop but all vtables start at |
1308 // the same place. The cast is to avoid virtual call and assertion. | |
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1309 InstanceKlass *ik = (InstanceKlass*)k; |
0 | 1310 selected_method = ik->method_at_vtable(vtbl_index); |
1311 } else { | |
1312 // final method | |
1313 selected_method = m; | |
1314 } | |
1315 } else { | |
1316 // JNI_NONVIRTUAL call | |
1317 selected_method = m; | |
1318 } | |
1319 } else { | |
1320 // interface call | |
1321 KlassHandle h_holder(THREAD, holder); | |
1322 | |
14320 | 1323 if (call_type == JNI_VIRTUAL) { |
1324 int itbl_index = m->itable_index(); | |
1325 Klass* k = h_recv->klass(); | |
1326 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
1327 } else { | |
1328 selected_method = m; | |
1329 } | |
0 | 1330 } |
1331 } | |
1332 | |
1333 methodHandle method(THREAD, selected_method); | |
1334 | |
1335 // Create object to hold arguments for the JavaCall, and associate it with | |
1336 // the jni parser | |
1337 ResourceMark rm(THREAD); | |
1338 JavaCallArguments java_args(number_of_parameters); | |
1339 args->set_java_argument_object(&java_args); | |
1340 | |
1341 // handle arguments | |
1342 assert(!method->is_static(), "method should not be static"); | |
1343 args->push_receiver(h_recv); // Push jobject handle | |
1344 | |
1345 // Fill out JavaCallArguments object | |
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1346 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1347 // Initialize result type |
1348 result->set_type(args->get_ret_type()); | |
1349 | |
1350 // Invoke the method. Result is returned as oop. | |
1351 JavaCalls::call(result, method, &java_args, CHECK); | |
1352 | |
1353 // Convert result | |
1354 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1355 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1356 } | |
1357 } | |
1358 | |
1359 | |
1360 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1361 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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1362 if (k == NULL) { |
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1363 ResourceMark rm(THREAD); |
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1364 THROW_(vmSymbols::java_lang_InstantiationException(), NULL); |
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1365 } |
6983 | 1366 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1367 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1368 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
0 | 1369 return ih; |
1370 } | |
1371 | |
4006 | 1372 #ifndef USDT2 |
0 | 1373 DT_RETURN_MARK_DECL(AllocObject, jobject); |
4006 | 1374 #else /* USDT2 */ |
1375 DT_RETURN_MARK_DECL(AllocObject, jobject | |
1376 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
1377 #endif /* USDT2 */ | |
0 | 1378 |
1379 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
1380 JNIWrapper("AllocObject"); | |
1381 | |
4006 | 1382 #ifndef USDT2 |
0 | 1383 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
4006 | 1384 #else /* USDT2 */ |
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1385 HOTSPOT_JNI_ALLOCOBJECT_ENTRY(env, clazz); |
4006 | 1386 #endif /* USDT2 */ |
0 | 1387 jobject ret = NULL; |
1388 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
1389 | |
1390 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1391 ret = JNIHandles::make_local(env, i); | |
1392 return ret; | |
1393 JNI_END | |
1394 | |
4006 | 1395 #ifndef USDT2 |
0 | 1396 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
4006 | 1397 #else /* USDT2 */ |
1398 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
1399 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
1400 #endif /* USDT2 */ | |
0 | 1401 |
1402 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
1403 JNIWrapper("NewObjectA"); | |
4006 | 1404 #ifndef USDT2 |
0 | 1405 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
4006 | 1406 #else /* USDT2 */ |
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1407 HOTSPOT_JNI_NEWOBJECTA_ENTRY(env, clazz, (uintptr_t) methodID); |
4006 | 1408 #endif /* USDT2 */ |
0 | 1409 jobject obj = NULL; |
1410 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
1411 | |
1412 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1413 obj = JNIHandles::make_local(env, i); | |
1414 JavaValue jvalue(T_VOID); | |
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1415 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1416 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1417 return obj; | |
1418 JNI_END | |
1419 | |
4006 | 1420 #ifndef USDT2 |
0 | 1421 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
4006 | 1422 #else /* USDT2 */ |
1423 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
1424 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
1425 #endif /* USDT2 */ | |
0 | 1426 |
1427 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
1428 JNIWrapper("NewObjectV"); | |
4006 | 1429 #ifndef USDT2 |
0 | 1430 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
4006 | 1431 #else /* USDT2 */ |
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1432 HOTSPOT_JNI_NEWOBJECTV_ENTRY(env, clazz, (uintptr_t) methodID); |
4006 | 1433 #endif /* USDT2 */ |
0 | 1434 jobject obj = NULL; |
1435 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
1436 | |
1437 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1438 obj = JNIHandles::make_local(env, i); | |
1439 JavaValue jvalue(T_VOID); | |
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1440 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1441 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1442 return obj; | |
1443 JNI_END | |
1444 | |
4006 | 1445 #ifndef USDT2 |
0 | 1446 DT_RETURN_MARK_DECL(NewObject, jobject); |
4006 | 1447 #else /* USDT2 */ |
1448 DT_RETURN_MARK_DECL(NewObject, jobject | |
1449 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
1450 #endif /* USDT2 */ | |
0 | 1451 |
1452 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
1453 JNIWrapper("NewObject"); | |
4006 | 1454 #ifndef USDT2 |
0 | 1455 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
4006 | 1456 #else /* USDT2 */ |
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1457 HOTSPOT_JNI_NEWOBJECT_ENTRY(env, clazz, (uintptr_t) methodID); |
4006 | 1458 #endif /* USDT2 */ |
0 | 1459 jobject obj = NULL; |
1460 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
1461 | |
1462 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1463 obj = JNIHandles::make_local(env, i); | |
1464 va_list args; | |
1465 va_start(args, methodID); | |
1466 JavaValue jvalue(T_VOID); | |
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1467 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1468 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1469 va_end(args); | |
1470 return obj; | |
1471 JNI_END | |
1472 | |
1473 | |
1474 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
1475 JNIWrapper("GetObjectClass"); | |
4006 | 1476 #ifndef USDT2 |
0 | 1477 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
4006 | 1478 #else /* USDT2 */ |
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1479 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY(env, obj); |
4006 | 1480 #endif /* USDT2 */ |
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1481 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
0 | 1482 jclass ret = |
6983 | 1483 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
4006 | 1484 #ifndef USDT2 |
0 | 1485 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
4006 | 1486 #else /* USDT2 */ |
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1487 HOTSPOT_JNI_GETOBJECTCLASS_RETURN(ret); |
4006 | 1488 #endif /* USDT2 */ |
0 | 1489 return ret; |
1490 JNI_END | |
1491 | |
1492 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
1493 JNIWrapper("IsInstanceOf"); | |
4006 | 1494 #ifndef USDT2 |
0 | 1495 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
4006 | 1496 #else /* USDT2 */ |
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1497 HOTSPOT_JNI_ISINSTANCEOF_ENTRY(env, obj, clazz); |
4006 | 1498 #endif /* USDT2 */ |
0 | 1499 jboolean ret = JNI_TRUE; |
1500 if (obj != NULL) { | |
1501 ret = JNI_FALSE; | |
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1502 Klass* k = java_lang_Class::as_Klass( |
0 | 1503 JNIHandles::resolve_non_null(clazz)); |
1504 if (k != NULL) { | |
1505 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
1506 } | |
1507 } | |
4006 | 1508 #ifndef USDT2 |
0 | 1509 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
4006 | 1510 #else /* USDT2 */ |
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1511 HOTSPOT_JNI_ISINSTANCEOF_RETURN(ret); |
4006 | 1512 #endif /* USDT2 */ |
0 | 1513 return ret; |
1514 JNI_END | |
1515 | |
1516 | |
1517 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
1518 const char *sig, bool is_static, TRAPS) { | |
1519 // %%%% This code should probably just call into a method in the LinkResolver | |
1520 // | |
1521 // The class should have been loaded (we have an instance of the class | |
1522 // passed in) so the method and signature should already be in the symbol | |
1523 // table. If they're not there, the method doesn't exist. | |
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1524 const char *name_to_probe = (name_str == NULL) |
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1525 ? vmSymbols::object_initializer_name()->as_C_string() |
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1526 : name_str; |
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|
1527 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1528 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1529 |
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1530 if (name == NULL || signature == NULL) { |
0 | 1531 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
1532 } | |
1533 | |
1534 // Throw a NoSuchMethodError exception if we have an instance of a | |
1535 // primitive java.lang.Class | |
1536 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
1537 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1538 } | |
1539 | |
1540 KlassHandle klass(THREAD, | |
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1541 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 1542 |
1543 // Make sure class is linked and initialized before handing id's out to | |
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1544 // Method*s. |
6983 | 1545 klass()->initialize(CHECK_NULL); |
0 | 1546 |
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1547 Method* m; |
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1548 if (name == vmSymbols::object_initializer_name() || |
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1549 name == vmSymbols::class_initializer_name()) { |
0 | 1550 // Never search superclasses for constructors |
1551 if (klass->oop_is_instance()) { | |
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1552 m = InstanceKlass::cast(klass())->find_method(name, signature); |
0 | 1553 } else { |
1554 m = NULL; | |
1555 } | |
1556 } else { | |
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1557 m = klass->lookup_method(name, signature); |
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1558 if (m == NULL && klass->oop_is_instance()) { |
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1559 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
0 | 1560 } |
1561 } | |
1562 if (m == NULL || (m->is_static() != is_static)) { | |
1563 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1564 } | |
1565 return m->jmethod_id(); | |
1566 } | |
1567 | |
1568 | |
1569 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
1570 const char *name, const char *sig)) | |
1571 JNIWrapper("GetMethodID"); | |
4006 | 1572 #ifndef USDT2 |
0 | 1573 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
4006 | 1574 #else /* USDT2 */ |
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1575 HOTSPOT_JNI_GETMETHODID_ENTRY(env, clazz, (char *) name, (char *) sig); |
4006 | 1576 #endif /* USDT2 */ |
0 | 1577 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
4006 | 1578 #ifndef USDT2 |
0 | 1579 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
4006 | 1580 #else /* USDT2 */ |
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1581 HOTSPOT_JNI_GETMETHODID_RETURN((uintptr_t) ret); |
4006 | 1582 #endif /* USDT2 */ |
0 | 1583 return ret; |
1584 JNI_END | |
1585 | |
1586 | |
1587 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
1588 const char *name, const char *sig)) | |
1589 JNIWrapper("GetStaticMethodID"); | |
4006 | 1590 #ifndef USDT2 |
0 | 1591 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
4006 | 1592 #else /* USDT2 */ |
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1593 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY(env, (char *) clazz, (char *) name, (char *)sig); |
4006 | 1594 #endif /* USDT2 */ |
0 | 1595 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
4006 | 1596 #ifndef USDT2 |
0 | 1597 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
4006 | 1598 #else /* USDT2 */ |
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1599 HOTSPOT_JNI_GETSTATICMETHODID_RETURN((uintptr_t) ret); |
4006 | 1600 #endif /* USDT2 */ |
0 | 1601 return ret; |
1602 JNI_END | |
1603 | |
1604 | |
1605 | |
1606 // | |
1607 // Calling Methods | |
1608 // | |
1609 | |
4006 | 1610 #ifndef USDT2 |
0 | 1611 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
1612 \ | |
1613 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
1614 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
1615 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
1616 \ | |
1617 JNI_ENTRY(ResultType, \ | |
1618 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1619 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1620 \ | |
4006 | 1621 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
0 | 1622 ResultType ret = 0;\ |
1623 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1624 (const ResultType&)ret);\ | |
1625 \ | |
1626 va_list args; \ | |
1627 va_start(args, methodID); \ | |
1628 JavaValue jvalue(Tag); \ | |
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1629 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1630 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1631 va_end(args); \ | |
1632 ret = jvalue.get_##ResultType(); \ | |
1633 return ret;\ | |
1634 JNI_END \ | |
1635 \ | |
1636 \ | |
1637 JNI_ENTRY(ResultType, \ | |
1638 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1639 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1640 \ | |
4006 | 1641 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
0 | 1642 ResultType ret = 0;\ |
1643 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1644 (const ResultType&)ret);\ | |
1645 \ | |
1646 JavaValue jvalue(Tag); \ | |
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1647 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1648 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1649 ret = jvalue.get_##ResultType(); \ | |
1650 return ret;\ | |
1651 JNI_END \ | |
1652 \ | |
1653 \ | |
1654 JNI_ENTRY(ResultType, \ | |
1655 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1656 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
4006 | 1657 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
0 | 1658 ResultType ret = 0;\ |
1659 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1660 (const ResultType&)ret);\ | |
1661 \ | |
1662 JavaValue jvalue(Tag); \ | |
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1663 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 1664 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1665 ret = jvalue.get_##ResultType(); \ | |
1666 return ret;\ | |
1667 JNI_END | |
1668 | |
1669 // the runtime type of subword integral basic types is integer | |
1670 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
1671 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
1672 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
1673 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
1674 | |
1675 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
1676 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
1677 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
1678 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
1679 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
1680 | |
1681 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
1682 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
1683 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
1684 | |
4006 | 1685 #else /* USDT2 */ |
1686 | |
1687 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
1688 , EntryProbe, ReturnProbe) \ | |
1689 \ | |
1690 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
1691 , ReturnProbe); \ | |
1692 \ | |
1693 JNI_ENTRY(ResultType, \ | |
1694 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1695 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1696 \ | |
1697 EntryProbe; \ | |
1698 ResultType ret = 0;\ | |
1699 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1700 (const ResultType&)ret);\ | |
1701 \ | |
1702 va_list args; \ | |
1703 va_start(args, methodID); \ | |
1704 JavaValue jvalue(Tag); \ | |
1705 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1706 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1707 va_end(args); \ | |
1708 ret = jvalue.get_##ResultType(); \ | |
1709 return ret;\ | |
1710 JNI_END | |
1711 | |
1712 // the runtime type of subword integral basic types is integer | |
1713 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
1714 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1715 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1716 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
1717 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1718 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1719 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
1720 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1721 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1722 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
1723 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1724 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1725 | |
1726 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
1727 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1728 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1729 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
1730 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1731 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1732 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
1733 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1734 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1735 // Float and double probes don't return value because dtrace doesn't currently support it | |
1736 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
1737 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1738 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1739 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
1740 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1741 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1742 | |
1743 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
1744 , EntryProbe, ReturnProbe) \ | |
1745 \ | |
1746 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
1747 , ReturnProbe); \ | |
1748 \ | |
1749 JNI_ENTRY(ResultType, \ | |
1750 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1751 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1752 \ | |
1753 EntryProbe;\ | |
1754 ResultType ret = 0;\ | |
1755 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1756 (const ResultType&)ret);\ | |
1757 \ | |
1758 JavaValue jvalue(Tag); \ | |
1759 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1760 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1761 ret = jvalue.get_##ResultType(); \ | |
1762 return ret;\ | |
1763 JNI_END | |
1764 | |
1765 // the runtime type of subword integral basic types is integer | |
1766 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
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1767 , HOTSPOT_JNI_CALLBOOLEANMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1768 HOTSPOT_JNI_CALLBOOLEANMETHODV_RETURN(_ret_ref)) |
4006 | 1769 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE |
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1770 , HOTSPOT_JNI_CALLBYTEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1771 HOTSPOT_JNI_CALLBYTEMETHODV_RETURN(_ret_ref)) |
4006 | 1772 DEFINE_CALLMETHODV(jchar, Char, T_CHAR |
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1773 , HOTSPOT_JNI_CALLCHARMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1774 HOTSPOT_JNI_CALLCHARMETHODV_RETURN(_ret_ref)) |
4006 | 1775 DEFINE_CALLMETHODV(jshort, Short, T_SHORT |
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1776 , HOTSPOT_JNI_CALLSHORTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1777 HOTSPOT_JNI_CALLSHORTMETHODV_RETURN(_ret_ref)) |
4006 | 1778 |
1779 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
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1780 , HOTSPOT_JNI_CALLOBJECTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1781 HOTSPOT_JNI_CALLOBJECTMETHODV_RETURN(_ret_ref)) |
4006 | 1782 DEFINE_CALLMETHODV(jint, Int, T_INT, |
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1783 HOTSPOT_JNI_CALLINTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1784 HOTSPOT_JNI_CALLINTMETHODV_RETURN(_ret_ref)) |
4006 | 1785 DEFINE_CALLMETHODV(jlong, Long, T_LONG |
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1786 , HOTSPOT_JNI_CALLLONGMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1787 HOTSPOT_JNI_CALLLONGMETHODV_RETURN(_ret_ref)) |
4006 | 1788 // Float and double probes don't return value because dtrace doesn't currently support it |
1789 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
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1790 , HOTSPOT_JNI_CALLFLOATMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1791 HOTSPOT_JNI_CALLFLOATMETHODV_RETURN()) |
4006 | 1792 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE |
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1793 , HOTSPOT_JNI_CALLDOUBLEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1794 HOTSPOT_JNI_CALLDOUBLEMETHODV_RETURN()) |
4006 | 1795 |
1796 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
1797 , EntryProbe, ReturnProbe) \ | |
1798 \ | |
1799 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
1800 , ReturnProbe); \ | |
1801 \ | |
1802 JNI_ENTRY(ResultType, \ | |
1803 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1804 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
1805 EntryProbe; \ | |
1806 ResultType ret = 0;\ | |
1807 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1808 (const ResultType&)ret);\ | |
1809 \ | |
1810 JavaValue jvalue(Tag); \ | |
1811 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1812 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1813 ret = jvalue.get_##ResultType(); \ | |
1814 return ret;\ | |
1815 JNI_END | |
1816 | |
1817 // the runtime type of subword integral basic types is integer | |
1818 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
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1819 , HOTSPOT_JNI_CALLBOOLEANMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1820 HOTSPOT_JNI_CALLBOOLEANMETHODA_RETURN(_ret_ref)) |
4006 | 1821 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE |
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1822 , HOTSPOT_JNI_CALLBYTEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1823 HOTSPOT_JNI_CALLBYTEMETHODA_RETURN(_ret_ref)) |
4006 | 1824 DEFINE_CALLMETHODA(jchar, Char, T_CHAR |
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1825 , HOTSPOT_JNI_CALLCHARMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1826 HOTSPOT_JNI_CALLCHARMETHODA_RETURN(_ret_ref)) |
4006 | 1827 DEFINE_CALLMETHODA(jshort, Short, T_SHORT |
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1828 , HOTSPOT_JNI_CALLSHORTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1829 HOTSPOT_JNI_CALLSHORTMETHODA_RETURN(_ret_ref)) |
4006 | 1830 |
1831 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
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1832 , HOTSPOT_JNI_CALLOBJECTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1833 HOTSPOT_JNI_CALLOBJECTMETHODA_RETURN(_ret_ref)) |
4006 | 1834 DEFINE_CALLMETHODA(jint, Int, T_INT, |
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1835 HOTSPOT_JNI_CALLINTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1836 HOTSPOT_JNI_CALLINTMETHODA_RETURN(_ret_ref)) |
4006 | 1837 DEFINE_CALLMETHODA(jlong, Long, T_LONG |
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1838 , HOTSPOT_JNI_CALLLONGMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1839 HOTSPOT_JNI_CALLLONGMETHODA_RETURN(_ret_ref)) |
4006 | 1840 // Float and double probes don't return value because dtrace doesn't currently support it |
1841 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
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1842 , HOTSPOT_JNI_CALLFLOATMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1843 HOTSPOT_JNI_CALLFLOATMETHODA_RETURN()) |
4006 | 1844 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE |
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1845 , HOTSPOT_JNI_CALLDOUBLEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1846 HOTSPOT_JNI_CALLDOUBLEMETHODA_RETURN()) |
4006 | 1847 |
1848 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
1849 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
1850 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
1851 | |
1852 #endif /* USDT2 */ | |
1853 | |
0 | 1854 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
1855 JNIWrapper("CallVoidMethod"); | |
4006 | 1856 #ifndef USDT2 |
0 | 1857 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
4006 | 1858 #else /* USDT2 */ |
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1859 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY(env, obj, (uintptr_t) methodID); |
4006 | 1860 #endif /* USDT2 */ |
0 | 1861 DT_VOID_RETURN_MARK(CallVoidMethod); |
1862 | |
1863 va_list args; | |
1864 va_start(args, methodID); | |
1865 JavaValue jvalue(T_VOID); | |
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1866 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1867 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1868 va_end(args); | |
1869 JNI_END | |
1870 | |
1871 | |
1872 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
1873 JNIWrapper("CallVoidMethodV"); | |
4006 | 1874 #ifndef USDT2 |
0 | 1875 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
4006 | 1876 #else /* USDT2 */ |
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1877 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY(env, obj, (uintptr_t) methodID); |
4006 | 1878 #endif /* USDT2 */ |
0 | 1879 DT_VOID_RETURN_MARK(CallVoidMethodV); |
1880 | |
1881 JavaValue jvalue(T_VOID); | |
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1882 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1883 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1884 JNI_END | |
1885 | |
1886 | |
1887 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
1888 JNIWrapper("CallVoidMethodA"); | |
4006 | 1889 #ifndef USDT2 |
0 | 1890 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
4006 | 1891 #else /* USDT2 */ |
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1892 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY(env, obj, (uintptr_t) methodID); |
4006 | 1893 #endif /* USDT2 */ |
0 | 1894 DT_VOID_RETURN_MARK(CallVoidMethodA); |
1895 | |
1896 JavaValue jvalue(T_VOID); | |
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1897 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1898 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1899 JNI_END | |
1900 | |
1901 | |
4006 | 1902 #ifndef USDT2 |
0 | 1903 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
1904 \ | |
1905 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
1906 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
1907 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
1908 \ | |
1909 JNI_ENTRY(ResultType, \ | |
1910 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
1911 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
1912 \ | |
1913 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
1914 ResultType ret;\ | |
1915 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
1916 (const ResultType&)ret);\ | |
1917 \ | |
1918 va_list args; \ | |
1919 va_start(args, methodID); \ | |
1920 JavaValue jvalue(Tag); \ | |
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1921 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1922 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1923 va_end(args); \ | |
1924 ret = jvalue.get_##ResultType(); \ | |
1925 return ret;\ | |
1926 JNI_END \ | |
1927 \ | |
1928 JNI_ENTRY(ResultType, \ | |
1929 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
1930 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
1931 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
1932 ResultType ret;\ | |
1933 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
1934 (const ResultType&)ret);\ | |
1935 \ | |
1936 JavaValue jvalue(Tag); \ | |
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1937 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1938 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1939 ret = jvalue.get_##ResultType(); \ | |
1940 return ret;\ | |
1941 JNI_END \ | |
1942 \ | |
1943 JNI_ENTRY(ResultType, \ | |
1944 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
1945 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
1946 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
1947 ResultType ret;\ | |
1948 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
1949 (const ResultType&)ret);\ | |
1950 \ | |
1951 JavaValue jvalue(Tag); \ | |
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1952 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 1953 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1954 ret = jvalue.get_##ResultType(); \ | |
1955 return ret;\ | |
1956 JNI_END | |
1957 | |
1958 // the runtime type of subword integral basic types is integer | |
1959 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
1960 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
1961 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
1962 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
1963 | |
1964 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
1965 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
1966 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
1967 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
1968 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
1969 | |
1970 | |
1971 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
1972 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
1973 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
1974 | |
4006 | 1975 #else /* USDT2 */ |
1976 | |
1977 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
1978 , EntryProbe, ReturnProbe) \ | |
1979 \ | |
1980 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
1981 , ReturnProbe);\ | |
1982 \ | |
1983 JNI_ENTRY(ResultType, \ | |
1984 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
1985 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
1986 \ | |
1987 EntryProbe;\ | |
1988 ResultType ret;\ | |
1989 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
1990 (const ResultType&)ret);\ | |
1991 \ | |
1992 va_list args; \ | |
1993 va_start(args, methodID); \ | |
1994 JavaValue jvalue(Tag); \ | |
1995 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1996 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
1997 va_end(args); \ | |
1998 ret = jvalue.get_##ResultType(); \ | |
1999 return ret;\ | |
2000 JNI_END | |
2001 | |
2002 // the runtime type of subword integral basic types is integer | |
2003 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
2004 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2005 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
2006 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
2007 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2008 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
2009 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
2010 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2011 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
2012 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
2013 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2014 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
2015 | |
2016 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
2017 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2018 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
2019 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
2020 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2021 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
2022 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
2023 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2024 // Float and double probes don't return value because dtrace doesn't currently support it | |
2025 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
2026 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
2027 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2028 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
2029 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
2030 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2031 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
2032 | |
2033 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
2034 , EntryProbe, ReturnProbe) \ | |
2035 \ | |
2036 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
2037 , ReturnProbe);\ | |
2038 \ | |
2039 JNI_ENTRY(ResultType, \ | |
2040 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2041 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
2042 \ | |
2043 EntryProbe;\ | |
2044 ResultType ret;\ | |
2045 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2046 (const ResultType&)ret);\ | |
2047 \ | |
2048 JavaValue jvalue(Tag); \ | |
2049 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2050 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2051 ret = jvalue.get_##ResultType(); \ | |
2052 return ret;\ | |
2053 JNI_END | |
2054 | |
2055 // the runtime type of subword integral basic types is integer | |
2056 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
2057 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2058 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
2059 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
2060 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2061 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
2062 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
2063 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2064 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
2065 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
2066 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2067 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
2068 | |
2069 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
2070 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2071 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
2072 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
2073 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2074 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
2075 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
2076 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2077 // Float and double probes don't return value because dtrace doesn't currently support it | |
2078 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
2079 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
2080 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2081 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
2082 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
2083 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2084 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
2085 | |
2086 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
2087 , EntryProbe, ReturnProbe) \ | |
2088 \ | |
2089 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
2090 , ReturnProbe);\ | |
2091 \ | |
2092 JNI_ENTRY(ResultType, \ | |
2093 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2094 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2095 \ | |
2096 EntryProbe;\ | |
2097 ResultType ret;\ | |
2098 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2099 (const ResultType&)ret);\ | |
2100 \ | |
2101 JavaValue jvalue(Tag); \ | |
2102 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2103 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2104 ret = jvalue.get_##ResultType(); \ | |
2105 return ret;\ | |
2106 JNI_END | |
2107 | |
2108 // the runtime type of subword integral basic types is integer | |
2109 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
2110 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2111 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
2112 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
2113 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2114 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
2115 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
2116 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2117 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
2118 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
2119 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2120 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
2121 | |
2122 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
2123 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2124 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
2125 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
2126 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2127 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
2128 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
2129 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2130 // Float and double probes don't return value because dtrace doesn't currently support it | |
2131 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
2132 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
2133 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2134 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
2135 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
2136 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2137 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
2138 | |
2139 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
2140 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
2141 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
2142 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
2143 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
2144 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
2145 #endif /* USDT2 */ | |
2146 | |
0 | 2147 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
2148 JNIWrapper("CallNonvirtualVoidMethod"); | |
2149 | |
4006 | 2150 #ifndef USDT2 |
0 | 2151 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
2152 env, obj, cls, methodID); | |
4006 | 2153 #else /* USDT2 */ |
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2154 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY(env, obj, cls, (uintptr_t) methodID); |
4006 | 2155 #endif /* USDT2 */ |
0 | 2156 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
2157 | |
2158 va_list args; | |
2159 va_start(args, methodID); | |
2160 JavaValue jvalue(T_VOID); | |
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2161 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2162 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2163 va_end(args); | |
2164 JNI_END | |
2165 | |
2166 | |
2167 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
2168 JNIWrapper("CallNonvirtualVoidMethodV"); | |
2169 | |
4006 | 2170 #ifndef USDT2 |
0 | 2171 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
2172 env, obj, cls, methodID); | |
4006 | 2173 #else /* USDT2 */ |
2174 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
2175 env, obj, cls, (uintptr_t) methodID); | |
2176 #endif /* USDT2 */ | |
0 | 2177 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
2178 | |
2179 JavaValue jvalue(T_VOID); | |
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2180 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2181 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2182 JNI_END | |
2183 | |
2184 | |
2185 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
2186 JNIWrapper("CallNonvirtualVoidMethodA"); | |
4006 | 2187 #ifndef USDT2 |
0 | 2188 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
2189 env, obj, cls, methodID); | |
4006 | 2190 #else /* USDT2 */ |
2191 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
2192 env, obj, cls, (uintptr_t) methodID); | |
2193 #endif /* USDT2 */ | |
0 | 2194 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
2195 JavaValue jvalue(T_VOID); | |
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2196 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2197 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2198 JNI_END | |
2199 | |
2200 | |
4006 | 2201 #ifndef USDT2 |
0 | 2202 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
2203 \ | |
2204 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
2205 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
2206 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
2207 \ | |
2208 JNI_ENTRY(ResultType, \ | |
2209 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2210 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2211 \ | |
2212 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
2213 ResultType ret = 0;\ | |
2214 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2215 (const ResultType&)ret);\ | |
2216 \ | |
2217 va_list args; \ | |
2218 va_start(args, methodID); \ | |
2219 JavaValue jvalue(Tag); \ | |
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2220 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2221 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2222 va_end(args); \ | |
2223 ret = jvalue.get_##ResultType(); \ | |
2224 return ret;\ | |
2225 JNI_END \ | |
2226 \ | |
2227 JNI_ENTRY(ResultType, \ | |
2228 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2229 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2230 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
2231 ResultType ret = 0;\ | |
2232 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2233 (const ResultType&)ret);\ | |
2234 \ | |
2235 JavaValue jvalue(Tag); \ | |
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2236 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2237 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2238 ret = jvalue.get_##ResultType(); \ | |
2239 return ret;\ | |
2240 JNI_END \ | |
2241 \ | |
2242 JNI_ENTRY(ResultType, \ | |
2243 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2244 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2245 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
2246 ResultType ret = 0;\ | |
2247 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2248 (const ResultType&)ret);\ | |
2249 \ | |
2250 JavaValue jvalue(Tag); \ | |
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2251 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2252 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2253 ret = jvalue.get_##ResultType(); \ | |
2254 return ret;\ | |
2255 JNI_END | |
2256 | |
2257 // the runtime type of subword integral basic types is integer | |
2258 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2259 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
2260 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
2261 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
2262 | |
2263 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
2264 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
2265 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
2266 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
2267 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
2268 | |
2269 | |
2270 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
2271 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
2272 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
2273 | |
4006 | 2274 #else /* USDT2 */ |
2275 | |
2276 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
2277 , EntryProbe, ResultProbe) \ | |
2278 \ | |
2279 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
2280 , ResultProbe); \ | |
2281 \ | |
2282 JNI_ENTRY(ResultType, \ | |
2283 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2284 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2285 \ | |
2286 EntryProbe; \ | |
2287 ResultType ret = 0;\ | |
2288 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2289 (const ResultType&)ret);\ | |
2290 \ | |
2291 va_list args; \ | |
2292 va_start(args, methodID); \ | |
2293 JavaValue jvalue(Tag); \ | |
2294 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2295 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2296 va_end(args); \ | |
2297 ret = jvalue.get_##ResultType(); \ | |
2298 return ret;\ | |
2299 JNI_END | |
2300 | |
2301 // the runtime type of subword integral basic types is integer | |
2302 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
2303 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2304 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
2305 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
2306 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2307 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
2308 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
2309 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2310 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
2311 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
2312 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2313 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
2314 | |
2315 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
2316 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2317 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
2318 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
2319 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2320 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
2321 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
2322 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2323 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
2324 // Float and double probes don't return value because dtrace doesn't currently support it | |
2325 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
2326 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2327 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
2328 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
2329 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2330 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
2331 | |
2332 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
2333 , EntryProbe, ResultProbe) \ | |
2334 \ | |
2335 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
2336 , ResultProbe); \ | |
2337 \ | |
2338 JNI_ENTRY(ResultType, \ | |
2339 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2340 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2341 \ | |
2342 EntryProbe; \ | |
2343 ResultType ret = 0;\ | |
2344 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2345 (const ResultType&)ret);\ | |
2346 \ | |
2347 JavaValue jvalue(Tag); \ | |
2348 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2349 /* Make sure class is initialized before trying to invoke its method */ \ | |
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2350 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
6983 | 2351 k()->initialize(CHECK_0); \ |
4006 | 2352 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2353 va_end(args); \ | |
2354 ret = jvalue.get_##ResultType(); \ | |
2355 return ret;\ | |
2356 JNI_END | |
2357 | |
2358 // the runtime type of subword integral basic types is integer | |
2359 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
2360 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2361 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
2362 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
2363 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2364 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
2365 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
2366 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2367 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
2368 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
2369 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2370 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
2371 | |
2372 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
2373 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2374 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
2375 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
2376 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2377 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
2378 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
2379 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2380 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
2381 // Float and double probes don't return value because dtrace doesn't currently support it | |
2382 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
2383 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2384 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
2385 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
2386 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2387 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
2388 | |
2389 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
2390 , EntryProbe, ResultProbe) \ | |
2391 \ | |
2392 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
2393 , ResultProbe); \ | |
2394 \ | |
2395 JNI_ENTRY(ResultType, \ | |
2396 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2397 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2398 \ | |
2399 EntryProbe; \ | |
2400 ResultType ret = 0;\ | |
2401 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2402 (const ResultType&)ret);\ | |
2403 \ | |
2404 JavaValue jvalue(Tag); \ | |
2405 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2406 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2407 ret = jvalue.get_##ResultType(); \ | |
2408 return ret;\ | |
2409 JNI_END | |
2410 | |
2411 // the runtime type of subword integral basic types is integer | |
2412 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
2413 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2414 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
2415 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
2416 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2417 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
2418 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
2419 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2420 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
2421 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
2422 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2423 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
2424 | |
2425 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
2426 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2427 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
2428 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
2429 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2430 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
2431 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
2432 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2433 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
2434 // Float and double probes don't return value because dtrace doesn't currently support it | |
2435 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
2436 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2437 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
2438 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
2439 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2440 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
2441 | |
2442 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
2443 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
2444 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
2445 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
2446 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
2447 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
2448 #endif /* USDT2 */ | |
2449 | |
0 | 2450 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
2451 JNIWrapper("CallStaticVoidMethod"); | |
4006 | 2452 #ifndef USDT2 |
0 | 2453 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
4006 | 2454 #else /* USDT2 */ |
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2455 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY(env, cls, (uintptr_t) methodID); |
4006 | 2456 #endif /* USDT2 */ |
0 | 2457 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
2458 | |
2459 va_list args; | |
2460 va_start(args, methodID); | |
2461 JavaValue jvalue(T_VOID); | |
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2462 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2463 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2464 va_end(args); | |
2465 JNI_END | |
2466 | |
2467 | |
2468 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
2469 JNIWrapper("CallStaticVoidMethodV"); | |
4006 | 2470 #ifndef USDT2 |
0 | 2471 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
4006 | 2472 #else /* USDT2 */ |
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2473 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY(env, cls, (uintptr_t) methodID); |
4006 | 2474 #endif /* USDT2 */ |
0 | 2475 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
2476 | |
2477 JavaValue jvalue(T_VOID); | |
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2478 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2479 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2480 JNI_END | |
2481 | |
2482 | |
2483 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
2484 JNIWrapper("CallStaticVoidMethodA"); | |
4006 | 2485 #ifndef USDT2 |
0 | 2486 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
4006 | 2487 #else /* USDT2 */ |
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2488 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY(env, cls, (uintptr_t) methodID); |
4006 | 2489 #endif /* USDT2 */ |
0 | 2490 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
2491 | |
2492 JavaValue jvalue(T_VOID); | |
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2493 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2494 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2495 JNI_END | |
2496 | |
2497 | |
2498 // | |
2499 // Accessing Fields | |
2500 // | |
2501 | |
2502 | |
4006 | 2503 #ifndef USDT2 |
0 | 2504 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
4006 | 2505 #else /* USDT2 */ |
2506 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
2507 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2508 #endif /* USDT2 */ | |
0 | 2509 |
2510 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
2511 const char *name, const char *sig)) | |
2512 JNIWrapper("GetFieldID"); | |
4006 | 2513 #ifndef USDT2 |
0 | 2514 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
4006 | 2515 #else /* USDT2 */ |
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|
2516 HOTSPOT_JNI_GETFIELDID_ENTRY(env, clazz, (char *) name, (char *) sig); |
4006 | 2517 #endif /* USDT2 */ |
0 | 2518 jfieldID ret = 0; |
2519 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
2520 | |
2521 // The class should have been loaded (we have an instance of the class | |
2522 // passed in) so the field and signature should already be in the symbol | |
2523 // table. If they're not there, the field doesn't exist. | |
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diff
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|
2524 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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2525 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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|
2526 if (fieldname == NULL || signame == NULL) { |
0 | 2527 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2528 } | |
2529 KlassHandle k(THREAD, | |
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2530 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2531 // Make sure class is initialized before handing id's out to fields |
6983 | 2532 k()->initialize(CHECK_NULL); |
0 | 2533 |
2534 fieldDescriptor fd; | |
6983 | 2535 if (!k()->oop_is_instance() || |
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2536 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
0 | 2537 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2538 } | |
2539 | |
2540 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
2541 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
2542 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
2543 return ret; | |
2544 JNI_END | |
2545 | |
2546 | |
2547 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
2548 JNIWrapper("GetObjectField"); | |
4006 | 2549 #ifndef USDT2 |
0 | 2550 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
4006 | 2551 #else /* USDT2 */ |
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2552 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY(env, obj, (uintptr_t) fieldID); |
4006 | 2553 #endif /* USDT2 */ |
0 | 2554 oop o = JNIHandles::resolve_non_null(obj); |
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2555 Klass* k = o->klass(); |
0 | 2556 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2557 // Keep JVMTI addition small and only check enabled flag here. | |
2558 // jni_GetField_probe() assumes that is okay to create handles. | |
2559 if (JvmtiExport::should_post_field_access()) { | |
2560 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
2561 } | |
2562 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
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|
2563 #if INCLUDE_ALL_GCS |
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|
2564 // If G1 is enabled and we are accessing the value of the referent |
e1162778c1c8
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diff
changeset
|
2565 // field in a reference object then we need to register a non-null |
e1162778c1c8
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|
2566 // referent with the SATB barrier. |
e1162778c1c8
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|
2567 if (UseG1GC) { |
e1162778c1c8
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|
2568 bool needs_barrier = false; |
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|
2569 |
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|
2570 if (ret != NULL && |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
2571 offset == java_lang_ref_Reference::referent_offset && |
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2572 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
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changeset
|
2573 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
3249
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|
2574 needs_barrier = true; |
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|
2575 } |
e1162778c1c8
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|
2576 |
e1162778c1c8
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|
2577 if (needs_barrier) { |
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|
2578 oop referent = JNIHandles::resolve(ret); |
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|
2579 G1SATBCardTableModRefBS::enqueue(referent); |
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diff
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|
2580 } |
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diff
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|
2581 } |
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|
2582 #endif // INCLUDE_ALL_GCS |
4006 | 2583 #ifndef USDT2 |
0 | 2584 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
4006 | 2585 #else /* USDT2 */ |
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2586 HOTSPOT_JNI_GETOBJECTFIELD_RETURN(ret); |
4006 | 2587 #endif /* USDT2 */ |
0 | 2588 return ret; |
2589 JNI_END | |
2590 | |
2591 | |
4006 | 2592 #ifndef USDT2 |
0 | 2593 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
2594 \ | |
2595 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
2596 \ | |
2597 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2598 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2599 \ | |
2600 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
2601 Return ret = 0;\ | |
2602 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2603 \ | |
2604 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2605 Klass* k = o->klass(); \ |
0 | 2606 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2607 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2608 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2609 /* and creates a ResetNoHandleMark. */ \ | |
2610 if (JvmtiExport::should_post_field_access()) { \ | |
2611 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2612 } \ | |
2613 ret = o->Fieldname##_field(offset); \ | |
2614 return ret; \ | |
2615 JNI_END | |
2616 | |
2617 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
2618 DEFINE_GETFIELD(jbyte, byte, Byte) | |
2619 DEFINE_GETFIELD(jchar, char, Char) | |
2620 DEFINE_GETFIELD(jshort, short, Short) | |
2621 DEFINE_GETFIELD(jint, int, Int) | |
2622 DEFINE_GETFIELD(jlong, long, Long) | |
2623 DEFINE_GETFIELD(jfloat, float, Float) | |
2624 DEFINE_GETFIELD(jdouble, double, Double) | |
2625 | |
4006 | 2626 #else /* USDT2 */ |
2627 | |
2628 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
2629 , EntryProbe, ReturnProbe) \ | |
2630 \ | |
2631 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
2632 , ReturnProbe); \ | |
2633 \ | |
2634 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2635 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2636 \ | |
2637 EntryProbe; \ | |
2638 Return ret = 0;\ | |
2639 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2640 \ | |
2641 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2642 Klass* k = o->klass(); \ |
4006 | 2643 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2644 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2645 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2646 /* and creates a ResetNoHandleMark. */ \ | |
2647 if (JvmtiExport::should_post_field_access()) { \ | |
2648 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2649 } \ | |
2650 ret = o->Fieldname##_field(offset); \ | |
2651 return ret; \ | |
2652 JNI_END | |
2653 | |
2654 DEFINE_GETFIELD(jboolean, bool, Boolean | |
2655 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2656 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
2657 DEFINE_GETFIELD(jbyte, byte, Byte | |
2658 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2659 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
2660 DEFINE_GETFIELD(jchar, char, Char | |
2661 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2662 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
2663 DEFINE_GETFIELD(jshort, short, Short | |
2664 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2665 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
2666 DEFINE_GETFIELD(jint, int, Int | |
2667 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2668 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
2669 DEFINE_GETFIELD(jlong, long, Long | |
2670 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2671 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
2672 // Float and double probes don't return value because dtrace doesn't currently support it | |
2673 DEFINE_GETFIELD(jfloat, float, Float | |
2674 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2675 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
2676 DEFINE_GETFIELD(jdouble, double, Double | |
2677 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2678 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
2679 #endif /* USDT2 */ | |
2680 | |
0 | 2681 address jni_GetBooleanField_addr() { |
2682 return (address)jni_GetBooleanField; | |
2683 } | |
2684 address jni_GetByteField_addr() { | |
2685 return (address)jni_GetByteField; | |
2686 } | |
2687 address jni_GetCharField_addr() { | |
2688 return (address)jni_GetCharField; | |
2689 } | |
2690 address jni_GetShortField_addr() { | |
2691 return (address)jni_GetShortField; | |
2692 } | |
2693 address jni_GetIntField_addr() { | |
2694 return (address)jni_GetIntField; | |
2695 } | |
2696 address jni_GetLongField_addr() { | |
2697 return (address)jni_GetLongField; | |
2698 } | |
2699 address jni_GetFloatField_addr() { | |
2700 return (address)jni_GetFloatField; | |
2701 } | |
2702 address jni_GetDoubleField_addr() { | |
2703 return (address)jni_GetDoubleField; | |
2704 } | |
2705 | |
2706 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
2707 JNIWrapper("SetObjectField"); | |
4006 | 2708 #ifndef USDT2 |
0 | 2709 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
4006 | 2710 #else /* USDT2 */ |
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2711 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY(env, obj, (uintptr_t) fieldID, value); |
4006 | 2712 #endif /* USDT2 */ |
0 | 2713 oop o = JNIHandles::resolve_non_null(obj); |
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|
2714 Klass* k = o->klass(); |
0 | 2715 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2716 // Keep JVMTI addition small and only check enabled flag here. | |
2717 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
2718 // and creates a ResetNoHandleMark. | |
2719 if (JvmtiExport::should_post_field_modification()) { | |
2720 jvalue field_value; | |
2721 field_value.l = value; | |
2722 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
2723 } | |
2724 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
4006 | 2725 #ifndef USDT2 |
0 | 2726 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
4006 | 2727 #else /* USDT2 */ |
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|
2728 HOTSPOT_JNI_SETOBJECTFIELD_RETURN(); |
4006 | 2729 #endif /* USDT2 */ |
0 | 2730 JNI_END |
2731 | |
4006 | 2732 #ifndef USDT2 |
0 | 2733 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
2734 \ | |
2735 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2736 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2737 \ | |
6837
75982791ddb6
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coleenp
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diff
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|
2738 FP_SELECT_##Result( \ |
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
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6831
diff
changeset
|
2739 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
2740 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
0 | 2741 \ |
2742 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2743 Klass* k = o->klass(); \ |
0 | 2744 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2745 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2746 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2747 /* and creates a ResetNoHandleMark. */ \ | |
2748 if (JvmtiExport::should_post_field_modification()) { \ | |
2749 jvalue field_value; \ | |
2750 field_value.unionType = value; \ | |
2751 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2752 } \ | |
2753 o->Fieldname##_field_put(offset, value); \ | |
2754 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
2755 JNI_END | |
2756 | |
2757 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
2758 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
2759 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
2760 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
2761 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
2762 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
2763 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
2764 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
2765 | |
4006 | 2766 #else /* USDT2 */ |
2767 | |
2768 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
2769 , EntryProbe, ReturnProbe) \ | |
2770 \ | |
2771 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2772 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2773 \ | |
2774 EntryProbe; \ | |
2775 \ | |
2776 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2777 Klass* k = o->klass(); \ |
4006 | 2778 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2779 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2780 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2781 /* and creates a ResetNoHandleMark. */ \ | |
2782 if (JvmtiExport::should_post_field_modification()) { \ | |
2783 jvalue field_value; \ | |
2784 field_value.unionType = value; \ | |
2785 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2786 } \ | |
2787 o->Fieldname##_field_put(offset, value); \ | |
2788 ReturnProbe; \ | |
2789 JNI_END | |
2790 | |
2791 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
2792 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2793 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
2794 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
2795 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2796 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
2797 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
2798 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2799 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
2800 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
2801 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2802 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
2803 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
2804 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2805 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
2806 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
2807 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2808 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
2809 // Float and double probes don't return value because dtrace doesn't currently support it | |
2810 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
2811 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2812 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
2813 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
2814 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2815 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
2816 #endif /* USDT2 */ | |
2817 | |
2818 #ifndef USDT2 | |
0 | 2819 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
4006 | 2820 #else /* USDT2 */ |
2821 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
2822 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
2823 #endif /* USDT2 */ | |
0 | 2824 |
2825 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
2826 JNIWrapper("ToReflectedField"); | |
4006 | 2827 #ifndef USDT2 |
0 | 2828 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
2829 env, cls, fieldID, isStatic); | |
4006 | 2830 #else /* USDT2 */ |
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2831 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY(env, cls, (uintptr_t) fieldID, isStatic); |
4006 | 2832 #endif /* USDT2 */ |
0 | 2833 jobject ret = NULL; |
2834 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
2835 | |
2836 fieldDescriptor fd; | |
2837 bool found = false; | |
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2838 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
0 | 2839 |
2840 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
2841 | |
2842 if (isStatic) { | |
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2843 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
0 | 2844 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2845 assert(id->is_static_field_id(), "invalid static field id"); | |
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2846 found = id->find_local_field(&fd); |
0 | 2847 } else { |
2848 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
2849 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
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2850 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
0 | 2851 } |
2852 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
2853 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
2854 ret = JNIHandles::make_local(env, reflected); | |
2855 return ret; | |
2856 JNI_END | |
2857 | |
2858 | |
2859 // | |
2860 // Accessing Static Fields | |
2861 // | |
4006 | 2862 #ifndef USDT2 |
0 | 2863 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
4006 | 2864 #else /* USDT2 */ |
2865 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
2866 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2867 #endif /* USDT2 */ | |
0 | 2868 |
2869 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
2870 const char *name, const char *sig)) | |
2871 JNIWrapper("GetStaticFieldID"); | |
4006 | 2872 #ifndef USDT2 |
0 | 2873 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
4006 | 2874 #else /* USDT2 */ |
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2875 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY(env, clazz, (char *) name, (char *) sig); |
4006 | 2876 #endif /* USDT2 */ |
0 | 2877 jfieldID ret = NULL; |
2878 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
2879 | |
2880 // The class should have been loaded (we have an instance of the class | |
2881 // passed in) so the field and signature should already be in the symbol | |
2882 // table. If they're not there, the field doesn't exist. | |
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diff
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2883 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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2884 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
3582bf76420e
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diff
changeset
|
2885 if (fieldname == NULL || signame == NULL) { |
0 | 2886 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2887 } | |
2888 KlassHandle k(THREAD, | |
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2889 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2890 // Make sure class is initialized before handing id's out to static fields |
6983 | 2891 k()->initialize(CHECK_NULL); |
0 | 2892 |
2893 fieldDescriptor fd; | |
6983 | 2894 if (!k()->oop_is_instance() || |
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2895 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
0 | 2896 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2897 } | |
2898 | |
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2899 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
6940
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|
2900 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
0 | 2901 debug_only(id->set_is_static_field_id();) |
2902 | |
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2903 debug_only(id->verify(fd.field_holder())); |
0 | 2904 |
2905 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
2906 return ret; | |
2907 JNI_END | |
2908 | |
2909 | |
2910 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
2911 JNIWrapper("GetStaticObjectField"); | |
4006 | 2912 #ifndef USDT2 |
0 | 2913 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
4006 | 2914 #else /* USDT2 */ |
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2915 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID); |
4006 | 2916 #endif /* USDT2 */ |
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|
2917 #if INCLUDE_JNI_CHECK |
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2918 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
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|
2919 #endif // INCLUDE_JNI_CHECK |
0 | 2920 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2921 assert(id->is_static_field_id(), "invalid static field id"); | |
2922 // Keep JVMTI addition small and only check enabled flag here. | |
2923 // jni_GetField_probe() assumes that is okay to create handles. | |
2924 if (JvmtiExport::should_post_field_access()) { | |
2925 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
2926 } | |
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2927 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
4006 | 2928 #ifndef USDT2 |
0 | 2929 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
4006 | 2930 #else /* USDT2 */ |
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2931 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN(ret); |
4006 | 2932 #endif /* USDT2 */ |
0 | 2933 return ret; |
2934 JNI_END | |
2935 | |
4006 | 2936 #ifndef USDT2 |
0 | 2937 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
2938 \ | |
2939 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
2940 \ | |
2941 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
2942 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
2943 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
2944 Return ret = 0;\ | |
2945 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
2946 (const Return&)ret);\ | |
2947 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
2948 assert(id->is_static_field_id(), "invalid static field id"); \ | |
2949 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2950 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
2951 if (JvmtiExport::should_post_field_access()) { \ | |
2952 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
2953 } \ | |
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2954 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
0 | 2955 return ret;\ |
2956 JNI_END | |
2957 | |
2958 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
2959 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
2960 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
2961 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
2962 DEFINE_GETSTATICFIELD(jint, int, Int) | |
2963 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
2964 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
2965 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
2966 | |
4006 | 2967 #else /* USDT2 */ |
2968 | |
2969 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
2970 , EntryProbe, ReturnProbe) \ | |
2971 \ | |
2972 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
2973 , ReturnProbe); \ | |
2974 \ | |
2975 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
2976 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
2977 EntryProbe; \ | |
2978 Return ret = 0;\ | |
2979 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
2980 (const Return&)ret);\ | |
2981 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
2982 assert(id->is_static_field_id(), "invalid static field id"); \ | |
2983 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2984 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
2985 if (JvmtiExport::should_post_field_access()) { \ | |
2986 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
2987 } \ | |
2988 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
2989 return ret;\ | |
2990 JNI_END | |
2991 | |
2992 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
2993 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
2994 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
2995 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
2996 DEFINE_GETSTATICFIELD(jchar, char, Char | |
2997 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
2998 DEFINE_GETSTATICFIELD(jshort, short, Short | |
2999 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
3000 DEFINE_GETSTATICFIELD(jint, int, Int | |
3001 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
3002 DEFINE_GETSTATICFIELD(jlong, long, Long | |
3003 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
3004 // Float and double probes don't return value because dtrace doesn't currently support it | |
3005 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
3006 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
3007 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
3008 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
3009 #endif /* USDT2 */ | |
0 | 3010 |
3011 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
3012 JNIWrapper("SetStaticObjectField"); | |
4006 | 3013 #ifndef USDT2 |
0 | 3014 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
4006 | 3015 #else /* USDT2 */ |
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3016 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value); |
4006 | 3017 #endif /* USDT2 */ |
0 | 3018 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
3019 assert(id->is_static_field_id(), "invalid static field id"); | |
3020 // Keep JVMTI addition small and only check enabled flag here. | |
3021 // jni_SetField_probe() assumes that is okay to create handles. | |
3022 if (JvmtiExport::should_post_field_modification()) { | |
3023 jvalue field_value; | |
3024 field_value.l = value; | |
3025 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
3026 } | |
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|
3027 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
4006 | 3028 #ifndef USDT2 |
0 | 3029 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
4006 | 3030 #else /* USDT2 */ |
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|
3031 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN(); |
4006 | 3032 #endif /* USDT2 */ |
0 | 3033 JNI_END |
3034 | |
3035 | |
4006 | 3036 #ifndef USDT2 |
0 | 3037 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
3038 \ | |
3039 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3040 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
6837
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
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6831
diff
changeset
|
3041 FP_SELECT_##Result( \ |
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
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diff
changeset
|
3042 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3043 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
0 | 3044 \ |
3045 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3046 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3047 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3048 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3049 if (JvmtiExport::should_post_field_modification()) { \ | |
3050 jvalue field_value; \ | |
3051 field_value.unionType = value; \ | |
3052 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3053 } \ | |
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|
3054 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
0 | 3055 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
3056 JNI_END | |
3057 | |
3058 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
3059 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
3060 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
3061 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
3062 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
3063 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
3064 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
3065 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
3066 | |
4006 | 3067 #else /* USDT2 */ |
3068 | |
3069 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
3070 , EntryProbe, ReturnProbe) \ | |
3071 \ | |
3072 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3073 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3074 EntryProbe; \ | |
3075 \ | |
3076 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3077 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3078 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3079 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3080 if (JvmtiExport::should_post_field_modification()) { \ | |
3081 jvalue field_value; \ | |
3082 field_value.unionType = value; \ | |
3083 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3084 } \ | |
3085 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
3086 ReturnProbe;\ | |
3087 JNI_END | |
3088 | |
3089 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
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|
3090 , HOTSPOT_JNI_SETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), |
4006 | 3091 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) |
3092 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
3093 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3094 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
3095 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
3096 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3097 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
3098 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
3099 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3100 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
3101 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
3102 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3103 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
3104 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
3105 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3106 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
3107 // Float and double probes don't return value because dtrace doesn't currently support it | |
3108 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
3109 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3110 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
3111 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
3112 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3113 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
3114 #endif /* USDT2 */ | |
0 | 3115 |
3116 // | |
3117 // String Operations | |
3118 // | |
3119 | |
3120 // Unicode Interface | |
3121 | |
4006 | 3122 #ifndef USDT2 |
0 | 3123 DT_RETURN_MARK_DECL(NewString, jstring); |
4006 | 3124 #else /* USDT2 */ |
3125 DT_RETURN_MARK_DECL(NewString, jstring | |
3126 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
3127 #endif /* USDT2 */ | |
0 | 3128 |
3129 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
3130 JNIWrapper("NewString"); | |
4006 | 3131 #ifndef USDT2 |
0 | 3132 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
4006 | 3133 #else /* USDT2 */ |
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|
3134 HOTSPOT_JNI_NEWSTRING_ENTRY(env, (uint16_t *) unicodeChars, len); |
4006 | 3135 #endif /* USDT2 */ |
0 | 3136 jstring ret = NULL; |
3137 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
3138 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
3139 ret = (jstring) JNIHandles::make_local(env, string); | |
3140 return ret; | |
3141 JNI_END | |
3142 | |
3143 | |
3144 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
3145 JNIWrapper("GetStringLength"); | |
4006 | 3146 #ifndef USDT2 |
0 | 3147 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
4006 | 3148 #else /* USDT2 */ |
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3149 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY(env, string); |
4006 | 3150 #endif /* USDT2 */ |
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3151 jsize ret = 0; |
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3152 oop s = JNIHandles::resolve_non_null(string); |
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3153 if (java_lang_String::value(s) != NULL) { |
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3154 ret = java_lang_String::length(s); |
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3155 } |
4006 | 3156 #ifndef USDT2 |
0 | 3157 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
4006 | 3158 #else /* USDT2 */ |
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3159 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN(ret); |
4006 | 3160 #endif /* USDT2 */ |
0 | 3161 return ret; |
3162 JNI_END | |
3163 | |
3164 | |
3165 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
3166 JNIEnv *env, jstring string, jboolean *isCopy)) | |
3167 JNIWrapper("GetStringChars"); | |
4006 | 3168 #ifndef USDT2 |
0 | 3169 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
4006 | 3170 #else /* USDT2 */ |
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3171 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY(env, string, (uintptr_t *) isCopy); |
4006 | 3172 #endif /* USDT2 */ |
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3173 jchar* buf = NULL; |
0 | 3174 oop s = JNIHandles::resolve_non_null(string); |
3175 typeArrayOop s_value = java_lang_String::value(s); | |
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3176 if (s_value != NULL) { |
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3177 int s_len = java_lang_String::length(s); |
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3178 int s_offset = java_lang_String::offset(s); |
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3179 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
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3180 /* JNI Specification states return NULL on OOM */ |
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3181 if (buf != NULL) { |
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3182 if (s_len > 0) { |
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3183 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
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3184 } |
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3185 buf[s_len] = 0; |
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3186 //%note jni_5 |
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3187 if (isCopy != NULL) { |
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3188 *isCopy = JNI_TRUE; |
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3189 } |
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3190 } |
0 | 3191 } |
4006 | 3192 #ifndef USDT2 |
0 | 3193 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
4006 | 3194 #else /* USDT2 */ |
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3195 HOTSPOT_JNI_GETSTRINGCHARS_RETURN(buf); |
4006 | 3196 #endif /* USDT2 */ |
0 | 3197 return buf; |
3198 JNI_END | |
3199 | |
3200 | |
3201 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
3202 JNIWrapper("ReleaseStringChars"); | |
4006 | 3203 #ifndef USDT2 |
0 | 3204 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
4006 | 3205 #else /* USDT2 */ |
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3206 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY(env, str, (uint16_t *) chars); |
4006 | 3207 #endif /* USDT2 */ |
0 | 3208 //%note jni_6 |
3209 if (chars != NULL) { | |
3210 // Since String objects are supposed to be immutable, don't copy any | |
3211 // new data back. A bad user will have to go after the char array. | |
3212 FreeHeap((void*) chars); | |
3213 } | |
4006 | 3214 #ifndef USDT2 |
0 | 3215 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
4006 | 3216 #else /* USDT2 */ |
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3217 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN(); |
4006 | 3218 #endif /* USDT2 */ |
0 | 3219 JNI_END |
3220 | |
3221 | |
3222 // UTF Interface | |
3223 | |
4006 | 3224 #ifndef USDT2 |
0 | 3225 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
4006 | 3226 #else /* USDT2 */ |
3227 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
3228 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
3229 #endif /* USDT2 */ | |
0 | 3230 |
3231 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
3232 JNIWrapper("NewStringUTF"); | |
4006 | 3233 #ifndef USDT2 |
0 | 3234 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
4006 | 3235 #else /* USDT2 */ |
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3236 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY(env, (char *) bytes); |
4006 | 3237 #endif /* USDT2 */ |
0 | 3238 jstring ret; |
3239 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
3240 | |
3241 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
3242 ret = (jstring) JNIHandles::make_local(env, result); | |
3243 return ret; | |
3244 JNI_END | |
3245 | |
3246 | |
3247 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
3248 JNIWrapper("GetStringUTFLength"); | |
4006 | 3249 #ifndef USDT2 |
0 | 3250 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
4006 | 3251 #else /* USDT2 */ |
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3252 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY(env, string); |
4006 | 3253 #endif /* USDT2 */ |
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3254 jsize ret = 0; |
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3255 oop java_string = JNIHandles::resolve_non_null(string); |
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3256 if (java_lang_String::value(java_string) != NULL) { |
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3257 ret = java_lang_String::utf8_length(java_string); |
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3258 } |
4006 | 3259 #ifndef USDT2 |
0 | 3260 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
4006 | 3261 #else /* USDT2 */ |
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3262 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN(ret); |
4006 | 3263 #endif /* USDT2 */ |
0 | 3264 return ret; |
3265 JNI_END | |
3266 | |
3267 | |
3268 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
3269 JNIWrapper("GetStringUTFChars"); | |
4006 | 3270 #ifndef USDT2 |
0 | 3271 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
4006 | 3272 #else /* USDT2 */ |
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3273 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY(env, string, (uintptr_t *) isCopy); |
4006 | 3274 #endif /* USDT2 */ |
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3275 char* result = NULL; |
1989
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3276 oop java_string = JNIHandles::resolve_non_null(string); |
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3277 if (java_lang_String::value(java_string) != NULL) { |
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3278 size_t length = java_lang_String::utf8_length(java_string); |
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3279 /* JNI Specification states return NULL on OOM */ |
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3280 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
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3281 if (result != NULL) { |
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3282 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
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3283 if (isCopy != NULL) { |
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3284 *isCopy = JNI_TRUE; |
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3285 } |
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3286 } |
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3287 } |
4006 | 3288 #ifndef USDT2 |
0 | 3289 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
4006 | 3290 #else /* USDT2 */ |
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3291 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN(result); |
4006 | 3292 #endif /* USDT2 */ |
0 | 3293 return result; |
3294 JNI_END | |
3295 | |
3296 | |
3297 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
3298 JNIWrapper("ReleaseStringUTFChars"); | |
4006 | 3299 #ifndef USDT2 |
0 | 3300 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
4006 | 3301 #else /* USDT2 */ |
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3302 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY(env, str, (char *) chars); |
4006 | 3303 #endif /* USDT2 */ |
0 | 3304 if (chars != NULL) { |
3305 FreeHeap((char*) chars); | |
3306 } | |
4006 | 3307 #ifndef USDT2 |
0 | 3308 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
4006 | 3309 #else /* USDT2 */ |
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3310 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN(); |
4006 | 3311 #endif /* USDT2 */ |
0 | 3312 JNI_END |
3313 | |
3314 | |
3315 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
3316 JNIWrapper("GetArrayLength"); | |
4006 | 3317 #ifndef USDT2 |
0 | 3318 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
4006 | 3319 #else /* USDT2 */ |
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3320 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY(env, array); |
4006 | 3321 #endif /* USDT2 */ |
0 | 3322 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
3323 assert(a->is_array(), "must be array"); | |
3324 jsize ret = a->length(); | |
4006 | 3325 #ifndef USDT2 |
0 | 3326 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
4006 | 3327 #else /* USDT2 */ |
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3328 HOTSPOT_JNI_GETARRAYLENGTH_RETURN(ret); |
4006 | 3329 #endif /* USDT2 */ |
0 | 3330 return ret; |
3331 JNI_END | |
3332 | |
3333 | |
3334 // | |
3335 // Object Array Operations | |
3336 // | |
3337 | |
4006 | 3338 #ifndef USDT2 |
0 | 3339 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
4006 | 3340 #else /* USDT2 */ |
3341 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
3342 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
3343 #endif /* USDT2 */ | |
0 | 3344 |
3345 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
3346 JNIWrapper("NewObjectArray"); | |
4006 | 3347 #ifndef USDT2 |
0 | 3348 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
4006 | 3349 #else /* USDT2 */ |
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3350 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY(env, length, elementClass, initialElement); |
4006 | 3351 #endif /* USDT2 */ |
0 | 3352 jobjectArray ret = NULL; |
3353 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
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|
3354 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
6983 | 3355 Klass* ako = ek()->array_klass(CHECK_NULL); |
0 | 3356 KlassHandle ak = KlassHandle(THREAD, ako); |
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|
3357 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
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|
3358 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
0 | 3359 oop initial_value = JNIHandles::resolve(initialElement); |
3360 if (initial_value != NULL) { // array already initialized with NULL | |
3361 for (int index = 0; index < length; index++) { | |
3362 result->obj_at_put(index, initial_value); | |
3363 } | |
3364 } | |
3365 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
3366 return ret; | |
3367 JNI_END | |
3368 | |
4006 | 3369 #ifndef USDT2 |
0 | 3370 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
4006 | 3371 #else /* USDT2 */ |
3372 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
3373 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
3374 #endif /* USDT2 */ | |
0 | 3375 |
3376 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
3377 JNIWrapper("GetObjectArrayElement"); | |
4006 | 3378 #ifndef USDT2 |
0 | 3379 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
4006 | 3380 #else /* USDT2 */ |
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3381 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY(env, array, index); |
4006 | 3382 #endif /* USDT2 */ |
0 | 3383 jobject ret = NULL; |
3384 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
3385 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3386 if (a->is_within_bounds(index)) { | |
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diff
changeset
|
3387 ret = JNIHandles::make_local(env, a->obj_at(index)); |
0 | 3388 return ret; |
3389 } else { | |
3390 char buf[jintAsStringSize]; | |
3391 sprintf(buf, "%d", index); | |
3392 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3393 } | |
3394 JNI_END | |
3395 | |
4006 | 3396 #ifndef USDT2 |
0 | 3397 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
4006 | 3398 #else /* USDT2 */ |
3399 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
3400 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
3401 #endif /* USDT2 */ | |
0 | 3402 |
3403 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
3404 JNIWrapper("SetObjectArrayElement"); | |
4006 | 3405 #ifndef USDT2 |
0 | 3406 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
4006 | 3407 #else /* USDT2 */ |
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|
3408 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY(env, array, index, value); |
4006 | 3409 #endif /* USDT2 */ |
0 | 3410 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
3411 | |
3412 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3413 oop v = JNIHandles::resolve(value); | |
3414 if (a->is_within_bounds(index)) { | |
6831
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diff
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|
3415 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
0 | 3416 a->obj_at_put(index, v); |
3417 } else { | |
3418 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
3419 } | |
3420 } else { | |
3421 char buf[jintAsStringSize]; | |
3422 sprintf(buf, "%d", index); | |
3423 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3424 } | |
3425 JNI_END | |
3426 | |
3427 | |
4006 | 3428 #ifndef USDT2 |
0 | 3429 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
3430 \ | |
4006 | 3431 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
0 | 3432 \ |
3433 JNI_ENTRY(Return, \ | |
3434 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3435 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3436 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
3437 Return ret = NULL;\ | |
1034
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diff
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3438 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
0 | 3439 \ |
3440 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3441 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3442 return ret;\ | |
3443 JNI_END | |
3444 | |
3445 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
3446 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
3447 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
3448 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
3449 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
3450 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
3451 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
3452 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
3453 | |
4006 | 3454 #else /* USDT2 */ |
3455 | |
3456 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
3457 ,EntryProbe,ReturnProbe) \ | |
3458 \ | |
3459 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
3460 , ReturnProbe); \ | |
3461 \ | |
3462 JNI_ENTRY(Return, \ | |
3463 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3464 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3465 EntryProbe; \ | |
3466 Return ret = NULL;\ | |
3467 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
3468 \ | |
3469 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3470 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3471 return ret;\ | |
3472 JNI_END | |
3473 | |
3474 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
3475 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
3476 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
3477 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
3478 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
3479 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
3480 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
3481 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
3482 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
3483 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
3484 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
3485 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
3486 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
3487 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
3488 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
3489 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
3490 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
3491 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
3492 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
3493 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
3494 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
3495 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
3496 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
3497 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
3498 #endif /* USDT2 */ | |
0 | 3499 |
3500 // Return an address which will fault if the caller writes to it. | |
3501 | |
3502 static char* get_bad_address() { | |
3503 static char* bad_address = NULL; | |
3504 if (bad_address == NULL) { | |
3505 size_t size = os::vm_allocation_granularity(); | |
3506 bad_address = os::reserve_memory(size); | |
3507 if (bad_address != NULL) { | |
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3508 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
24fda36852ce
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3509 /*is_committed*/false); |
0 | 3510 } |
3511 } | |
3512 return bad_address; | |
3513 } | |
3514 | |
3515 | |
4006 | 3516 #ifndef USDT2 |
0 | 3517 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
3518 \ | |
3519 JNI_QUICK_ENTRY(ElementType*, \ | |
3520 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3521 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3522 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
3523 /* allocate an chunk of memory in c land */ \ | |
3524 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3525 ElementType* result; \ | |
3526 int len = a->length(); \ | |
3527 if (len == 0) { \ | |
3528 /* Empty array: legal but useless, can't return NULL. \ | |
3529 * Return a pointer to something useless. \ | |
3530 * Avoid asserts in typeArrayOop. */ \ | |
3531 result = (ElementType*)get_bad_address(); \ | |
3532 } else { \ | |
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diff
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|
3533 /* JNI Specification states return NULL on OOM */ \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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|
3534 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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|
3535 if (result != NULL) { \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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diff
changeset
|
3536 /* copy the array to the c chunk */ \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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diff
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|
3537 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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|
3538 if (isCopy) { \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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|
3539 *isCopy = JNI_TRUE; \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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diff
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|
3540 } \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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diff
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|
3541 } \ |
0 | 3542 } \ |
3543 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
3544 return result; \ | |
3545 JNI_END | |
3546 | |
3547 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3548 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3549 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3550 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3551 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3552 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3553 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3554 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3555 | |
4006 | 3556 #else /* USDT2 */ |
3557 | |
3558 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
3559 , EntryProbe, ReturnProbe) \ | |
3560 \ | |
3561 JNI_QUICK_ENTRY(ElementType*, \ | |
3562 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3563 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3564 EntryProbe; \ | |
3565 /* allocate an chunk of memory in c land */ \ | |
3566 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3567 ElementType* result; \ | |
3568 int len = a->length(); \ | |
3569 if (len == 0) { \ | |
3570 /* Empty array: legal but useless, can't return NULL. \ | |
3571 * Return a pointer to something useless. \ | |
3572 * Avoid asserts in typeArrayOop. */ \ | |
3573 result = (ElementType*)get_bad_address(); \ | |
3574 } else { \ | |
12109
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|
3575 /* JNI Specification states return NULL on OOM */ \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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diff
changeset
|
3576 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
faf2631b9334
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|
3577 if (result != NULL) { \ |
faf2631b9334
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|
3578 /* copy the array to the c chunk */ \ |
faf2631b9334
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11092
diff
changeset
|
3579 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
faf2631b9334
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|
3580 if (isCopy) { \ |
faf2631b9334
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|
3581 *isCopy = JNI_TRUE; \ |
faf2631b9334
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|
3582 } \ |
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|
3583 } \ |
4006 | 3584 } \ |
3585 ReturnProbe; \ | |
3586 return result; \ | |
3587 JNI_END | |
3588 | |
3589 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3590 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3591 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
3592 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3593 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3594 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
3595 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3596 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3597 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
3598 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3599 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3600 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
3601 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3602 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3603 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
3604 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3605 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3606 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
3607 // Float and double probes don't return value because dtrace doesn't currently support it | |
3608 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3609 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3610 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
3611 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3612 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3613 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
3614 #endif /* USDT2 */ | |
3615 | |
3616 #ifndef USDT2 | |
0 | 3617 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
3618 \ | |
3619 JNI_QUICK_ENTRY(void, \ | |
3620 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3621 ElementType *buf, jint mode)) \ | |
3622 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3623 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
3624 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3625 int len = a->length(); \ | |
3626 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3627 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3628 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3629 } \ | |
3630 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3631 FreeHeap(buf); \ | |
3632 } \ | |
3633 } \ | |
3634 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
3635 JNI_END | |
3636 | |
3637 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3638 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3639 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3640 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3641 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3642 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3643 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3644 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3645 | |
4006 | 3646 #else /* USDT2 */ |
3647 | |
3648 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
3649 , EntryProbe, ReturnProbe);\ | |
3650 \ | |
3651 JNI_QUICK_ENTRY(void, \ | |
3652 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3653 ElementType *buf, jint mode)) \ | |
3654 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3655 EntryProbe; \ | |
3656 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3657 int len = a->length(); \ | |
3658 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3659 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3660 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3661 } \ | |
3662 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3663 FreeHeap(buf); \ | |
3664 } \ | |
3665 } \ | |
3666 ReturnProbe; \ | |
3667 JNI_END | |
3668 | |
3669 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3670 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3671 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
3672 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3673 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
3674 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
3675 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3676 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3677 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
3678 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3679 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3680 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
3681 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3682 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
3683 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
3684 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3685 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3686 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
3687 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3688 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
3689 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
3690 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3691 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
3692 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
3693 #endif /* USDT2 */ | |
3694 | |
3695 #ifndef USDT2 | |
0 | 3696 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3697 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
3698 \ | |
3699 JNI_ENTRY(void, \ | |
3700 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3701 jsize len, ElementType *buf)) \ | |
3702 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3703 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3704 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3705 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3706 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3707 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3708 } else { \ | |
3709 if (len > 0) { \ | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
changeset
|
3710 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
0 | 3711 memcpy((u_char*) buf, \ |
3712 (u_char*) src->Tag##_at_addr(start), \ | |
3713 len << sc); \ | |
3714 } \ | |
3715 } \ | |
3716 JNI_END | |
3717 | |
3718 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
3719 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3720 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3721 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3722 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3723 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3724 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3725 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3726 | |
4006 | 3727 #else /* USDT2 */ |
3728 | |
3729 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3730 , EntryProbe, ReturnProbe); \ | |
3731 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
3732 , ReturnProbe); \ | |
3733 \ | |
3734 JNI_ENTRY(void, \ | |
3735 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3736 jsize len, ElementType *buf)) \ | |
3737 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3738 EntryProbe; \ | |
3739 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3740 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3741 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3742 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3743 } else { \ | |
3744 if (len > 0) { \ | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3745 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
4006 | 3746 memcpy((u_char*) buf, \ |
3747 (u_char*) src->Tag##_at_addr(start), \ | |
3748 len << sc); \ | |
3749 } \ | |
3750 } \ | |
3751 JNI_END | |
3752 | |
3753 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
3754 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3755 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
3756 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3757 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3758 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
3759 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3760 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3761 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
3762 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3763 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
3764 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
3765 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
3766 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
3767 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
3768 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3769 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3770 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
3771 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3772 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3773 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
3774 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3775 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3776 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
3777 #endif /* USDT2 */ | |
3778 | |
3779 #ifndef USDT2 | |
0 | 3780 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3781 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
3782 \ | |
3783 JNI_ENTRY(void, \ | |
3784 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3785 jsize len, const ElementType *buf)) \ | |
3786 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3787 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3788 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3789 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3790 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3791 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3792 } else { \ | |
3793 if (len > 0) { \ | |
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3794 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
0 | 3795 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3796 (u_char*) buf, \ | |
3797 len << sc); \ | |
3798 } \ | |
3799 } \ | |
3800 JNI_END | |
3801 | |
3802 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
3803 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3804 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3805 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3806 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3807 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3808 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3809 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3810 | |
4006 | 3811 #else /* USDT2 */ |
3812 | |
3813 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3814 , EntryProbe, ReturnProbe); \ | |
3815 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
3816 ,ReturnProbe); \ | |
3817 \ | |
3818 JNI_ENTRY(void, \ | |
3819 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3820 jsize len, const ElementType *buf)) \ | |
3821 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3822 EntryProbe; \ | |
3823 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3824 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3825 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3826 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3827 } else { \ | |
3828 if (len > 0) { \ | |
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3829 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
4006 | 3830 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3831 (u_char*) buf, \ | |
3832 len << sc); \ | |
3833 } \ | |
3834 } \ | |
3835 JNI_END | |
3836 | |
3837 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
3838 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
3839 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
3840 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3841 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3842 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
3843 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3844 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3845 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
3846 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3847 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3848 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
3849 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
3850 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
3851 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
3852 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3853 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3854 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
3855 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3856 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3857 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
3858 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3859 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3860 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
3861 #endif /* USDT2 */ | |
3862 | |
0 | 3863 |
3864 // | |
3865 // Interception of natives | |
3866 // | |
3867 | |
3868 // The RegisterNatives call being attempted tried to register with a method that | |
3869 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
3870 // to see if the native method is now wrapped with the prefixes. See the | |
3871 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
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3872 static Method* find_prefixed_native(KlassHandle k, |
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3873 Symbol* name, Symbol* signature, TRAPS) { |
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3874 #if INCLUDE_JVMTI |
0 | 3875 ResourceMark rm(THREAD); |
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3876 Method* method; |
0 | 3877 int name_len = name->utf8_length(); |
3878 char* name_str = name->as_utf8(); | |
3879 int prefix_count; | |
3880 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
3881 for (int i = 0; i < prefix_count; i++) { | |
3882 char* prefix = prefixes[i]; | |
3883 int prefix_len = (int)strlen(prefix); | |
3884 | |
3885 // try adding this prefix to the method name and see if it matches another method name | |
3886 int trial_len = name_len + prefix_len; | |
3887 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
3888 strcpy(trial_name_str, prefix); | |
3889 strcat(trial_name_str, name_str); | |
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3890 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
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3891 if (trial_name == NULL) { |
0 | 3892 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
3893 } | |
6983 | 3894 method = k()->lookup_method(trial_name, signature); |
0 | 3895 if (method == NULL) { |
3896 continue; // signature doesn't match, try the next prefix | |
3897 } | |
3898 if (method->is_native()) { | |
3899 method->set_is_prefixed_native(); | |
3900 return method; // wahoo, we found a prefixed version of the method, return it | |
3901 } | |
3902 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
3903 name_len = trial_len; | |
3904 name_str = trial_name_str; | |
3905 } | |
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3906 #endif // INCLUDE_JVMTI |
0 | 3907 return NULL; // not found |
3908 } | |
3909 | |
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3910 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
6983 | 3911 Method* method = k()->lookup_method(name, signature); |
0 | 3912 if (method == NULL) { |
3913 ResourceMark rm; | |
3914 stringStream st; | |
3915 st.print("Method %s name or signature does not match", | |
6983 | 3916 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 3917 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
3918 } | |
3919 if (!method->is_native()) { | |
3920 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
3921 method = find_prefixed_native(k, name, signature, THREAD); | |
3922 if (method == NULL) { | |
3923 ResourceMark rm; | |
3924 stringStream st; | |
3925 st.print("Method %s is not declared as native", | |
6983 | 3926 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 3927 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
3928 } | |
3929 } | |
3930 | |
3931 if (entry != NULL) { | |
3932 method->set_native_function(entry, | |
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3933 Method::native_bind_event_is_interesting); |
0 | 3934 } else { |
3935 method->clear_native_function(); | |
3936 } | |
3937 if (PrintJNIResolving) { | |
3938 ResourceMark rm(THREAD); | |
3939 tty->print_cr("[Registering JNI native method %s.%s]", | |
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3940 method->method_holder()->external_name(), |
0 | 3941 method->name()->as_C_string()); |
3942 } | |
3943 return true; | |
3944 } | |
3945 | |
4006 | 3946 #ifndef USDT2 |
0 | 3947 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
4006 | 3948 #else /* USDT2 */ |
3949 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
3950 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
3951 #endif /* USDT2 */ | |
0 | 3952 |
3953 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
3954 const JNINativeMethod *methods, | |
3955 jint nMethods)) | |
3956 JNIWrapper("RegisterNatives"); | |
4006 | 3957 #ifndef USDT2 |
0 | 3958 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
4006 | 3959 #else /* USDT2 */ |
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3960 HOTSPOT_JNI_REGISTERNATIVES_ENTRY(env, clazz, (void *) methods, nMethods); |
4006 | 3961 #endif /* USDT2 */ |
0 | 3962 jint ret = 0; |
3963 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
3964 | |
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3965 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 3966 |
3967 for (int index = 0; index < nMethods; index++) { | |
3968 const char* meth_name = methods[index].name; | |
3969 const char* meth_sig = methods[index].signature; | |
3970 int meth_name_len = (int)strlen(meth_name); | |
3971 | |
3972 // The class should have been loaded (we have an instance of the class | |
3973 // passed in) so the method and signature should already be in the symbol | |
3974 // table. If they're not there, the method doesn't exist. | |
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3975 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
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3976 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
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3977 |
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3978 if (name == NULL || signature == NULL) { |
0 | 3979 ResourceMark rm; |
3980 stringStream st; | |
6983 | 3981 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
0 | 3982 // Must return negative value on failure |
3983 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
3984 } | |
3985 | |
3986 bool res = register_native(h_k, name, signature, | |
3987 (address) methods[index].fnPtr, THREAD); | |
3988 if (!res) { | |
3989 ret = -1; | |
3990 break; | |
3991 } | |
3992 } | |
3993 return ret; | |
3994 JNI_END | |
3995 | |
3996 | |
3997 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
3998 JNIWrapper("UnregisterNatives"); | |
4006 | 3999 #ifndef USDT2 |
0 | 4000 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
4006 | 4001 #else /* USDT2 */ |
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4002 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY(env, clazz); |
4006 | 4003 #endif /* USDT2 */ |
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4004 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
0 | 4005 //%note jni_2 |
6983 | 4006 if (k->oop_is_instance()) { |
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4007 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
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4008 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
0 | 4009 if (m->is_native()) { |
4010 m->clear_native_function(); | |
4011 m->set_signature_handler(NULL); | |
4012 } | |
4013 } | |
4014 } | |
4006 | 4015 #ifndef USDT2 |
0 | 4016 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
4006 | 4017 #else /* USDT2 */ |
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4018 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN(0); |
4006 | 4019 #endif /* USDT2 */ |
0 | 4020 return 0; |
4021 JNI_END | |
4022 | |
4023 // | |
4024 // Monitor functions | |
4025 // | |
4026 | |
4006 | 4027 #ifndef USDT2 |
0 | 4028 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
4006 | 4029 #else /* USDT2 */ |
4030 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
4031 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
4032 #endif /* USDT2 */ | |
0 | 4033 |
4034 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
4006 | 4035 #ifndef USDT2 |
0 | 4036 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
4006 | 4037 #else /* USDT2 */ |
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4038 HOTSPOT_JNI_MONITORENTER_ENTRY(env, jobj); |
4006 | 4039 #endif /* USDT2 */ |
0 | 4040 jint ret = JNI_ERR; |
4041 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
4042 | |
4043 // If the object is null, we can't do anything with it | |
4044 if (jobj == NULL) { | |
4045 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4046 } | |
4047 | |
4048 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
4049 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
4050 ret = JNI_OK; | |
4051 return ret; | |
4052 JNI_END | |
4053 | |
4006 | 4054 #ifndef USDT2 |
0 | 4055 DT_RETURN_MARK_DECL(MonitorExit, jint); |
4006 | 4056 #else /* USDT2 */ |
4057 DT_RETURN_MARK_DECL(MonitorExit, jint | |
4058 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
4059 #endif /* USDT2 */ | |
0 | 4060 |
4061 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
4006 | 4062 #ifndef USDT2 |
0 | 4063 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
4006 | 4064 #else /* USDT2 */ |
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4065 HOTSPOT_JNI_MONITOREXIT_ENTRY(env, jobj); |
4006 | 4066 #endif /* USDT2 */ |
0 | 4067 jint ret = JNI_ERR; |
4068 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
4069 | |
4070 // Don't do anything with a null object | |
4071 if (jobj == NULL) { | |
4072 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4073 } | |
4074 | |
4075 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
4076 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
4077 | |
4078 ret = JNI_OK; | |
4079 return ret; | |
4080 JNI_END | |
4081 | |
4082 // | |
4083 // Extensions | |
4084 // | |
4085 | |
4006 | 4086 #ifndef USDT2 |
0 | 4087 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
4006 | 4088 #else /* USDT2 */ |
4089 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
4090 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
4091 #endif /* USDT2 */ | |
0 | 4092 |
4093 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
4094 JNIWrapper("GetStringRegion"); | |
4006 | 4095 #ifndef USDT2 |
0 | 4096 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
4006 | 4097 #else /* USDT2 */ |
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4098 HOTSPOT_JNI_GETSTRINGREGION_ENTRY(env, string, start, len, buf); |
4006 | 4099 #endif /* USDT2 */ |
0 | 4100 DT_VOID_RETURN_MARK(GetStringRegion); |
4101 oop s = JNIHandles::resolve_non_null(string); | |
4102 int s_len = java_lang_String::length(s); | |
4103 if (start < 0 || len < 0 || start + len > s_len) { | |
4104 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4105 } else { | |
4106 if (len > 0) { | |
4107 int s_offset = java_lang_String::offset(s); | |
4108 typeArrayOop s_value = java_lang_String::value(s); | |
4109 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
4110 } | |
4111 } | |
4112 JNI_END | |
4113 | |
4006 | 4114 #ifndef USDT2 |
0 | 4115 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
4006 | 4116 #else /* USDT2 */ |
4117 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
4118 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
4119 #endif /* USDT2 */ | |
0 | 4120 |
4121 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
4122 JNIWrapper("GetStringUTFRegion"); | |
4006 | 4123 #ifndef USDT2 |
0 | 4124 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
4006 | 4125 #else /* USDT2 */ |
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4126 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY(env, string, start, len, buf); |
4006 | 4127 #endif /* USDT2 */ |
0 | 4128 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
4129 oop s = JNIHandles::resolve_non_null(string); | |
4130 int s_len = java_lang_String::length(s); | |
4131 if (start < 0 || len < 0 || start + len > s_len) { | |
4132 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4133 } else { | |
4134 //%note jni_7 | |
4135 if (len > 0) { | |
4136 ResourceMark rm(THREAD); | |
4137 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
4138 int utf_len = (int)strlen(utf_region); | |
4139 memcpy(buf, utf_region, utf_len); | |
4140 buf[utf_len] = 0; | |
4141 } else { | |
4142 // JDK null-terminates the buffer even in len is zero | |
4143 if (buf != NULL) { | |
4144 buf[0] = 0; | |
4145 } | |
4146 } | |
4147 } | |
4148 JNI_END | |
4149 | |
4150 | |
4151 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
4152 JNIWrapper("GetPrimitiveArrayCritical"); | |
4006 | 4153 #ifndef USDT2 |
0 | 4154 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
4006 | 4155 #else /* USDT2 */ |
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4156 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY(env, array, (uintptr_t *) isCopy); |
4006 | 4157 #endif /* USDT2 */ |
0 | 4158 GC_locker::lock_critical(thread); |
4159 if (isCopy != NULL) { | |
4160 *isCopy = JNI_FALSE; | |
4161 } | |
4162 oop a = JNIHandles::resolve_non_null(array); | |
4163 assert(a->is_array(), "just checking"); | |
4164 BasicType type; | |
4165 if (a->is_objArray()) { | |
4166 type = T_OBJECT; | |
4167 } else { | |
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4168 type = TypeArrayKlass::cast(a->klass())->element_type(); |
0 | 4169 } |
4170 void* ret = arrayOop(a)->base(type); | |
4006 | 4171 #ifndef USDT2 |
0 | 4172 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
4006 | 4173 #else /* USDT2 */ |
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4174 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN(ret); |
4006 | 4175 #endif /* USDT2 */ |
0 | 4176 return ret; |
4177 JNI_END | |
4178 | |
4179 | |
4180 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
4181 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
4006 | 4182 #ifndef USDT2 |
0 | 4183 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
4006 | 4184 #else /* USDT2 */ |
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4185 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY(env, array, carray, mode); |
4006 | 4186 #endif /* USDT2 */ |
0 | 4187 // The array, carray and mode arguments are ignored |
4188 GC_locker::unlock_critical(thread); | |
4006 | 4189 #ifndef USDT2 |
0 | 4190 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
4006 | 4191 #else /* USDT2 */ |
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4192 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN(); |
4006 | 4193 #endif /* USDT2 */ |
0 | 4194 JNI_END |
4195 | |
4196 | |
4197 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
4198 JNIWrapper("GetStringCritical"); | |
4006 | 4199 #ifndef USDT2 |
0 | 4200 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
4006 | 4201 #else /* USDT2 */ |
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4202 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY(env, string, (uintptr_t *) isCopy); |
4006 | 4203 #endif /* USDT2 */ |
0 | 4204 GC_locker::lock_critical(thread); |
4205 if (isCopy != NULL) { | |
4206 *isCopy = JNI_FALSE; | |
4207 } | |
4208 oop s = JNIHandles::resolve_non_null(string); | |
4209 int s_len = java_lang_String::length(s); | |
4210 typeArrayOop s_value = java_lang_String::value(s); | |
4211 int s_offset = java_lang_String::offset(s); | |
4212 const jchar* ret; | |
4213 if (s_len > 0) { | |
4214 ret = s_value->char_at_addr(s_offset); | |
4215 } else { | |
4216 ret = (jchar*) s_value->base(T_CHAR); | |
4217 } | |
4006 | 4218 #ifndef USDT2 |
0 | 4219 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
4006 | 4220 #else /* USDT2 */ |
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4221 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN((uint16_t *) ret); |
4006 | 4222 #endif /* USDT2 */ |
0 | 4223 return ret; |
4224 JNI_END | |
4225 | |
4226 | |
4227 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
4228 JNIWrapper("ReleaseStringCritical"); | |
4006 | 4229 #ifndef USDT2 |
0 | 4230 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
4006 | 4231 #else /* USDT2 */ |
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4232 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY(env, str, (uint16_t *) chars); |
4006 | 4233 #endif /* USDT2 */ |
0 | 4234 // The str and chars arguments are ignored |
4235 GC_locker::unlock_critical(thread); | |
4006 | 4236 #ifndef USDT2 |
0 | 4237 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
4006 | 4238 #else /* USDT2 */ |
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4239 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN(); |
4006 | 4240 #endif /* USDT2 */ |
0 | 4241 JNI_END |
4242 | |
4243 | |
4244 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
4245 JNIWrapper("jni_NewWeakGlobalRef"); | |
4006 | 4246 #ifndef USDT2 |
0 | 4247 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
4006 | 4248 #else /* USDT2 */ |
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4249 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY(env, ref); |
4006 | 4250 #endif /* USDT2 */ |
0 | 4251 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
4252 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
4006 | 4253 #ifndef USDT2 |
0 | 4254 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
4006 | 4255 #else /* USDT2 */ |
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4256 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN(ret); |
4006 | 4257 #endif /* USDT2 */ |
0 | 4258 return ret; |
4259 JNI_END | |
4260 | |
4261 // Must be JNI_ENTRY (with HandleMark) | |
4262 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
4263 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
4006 | 4264 #ifndef USDT2 |
0 | 4265 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
4006 | 4266 #else /* USDT2 */ |
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4267 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY(env, ref); |
4006 | 4268 #endif /* USDT2 */ |
0 | 4269 JNIHandles::destroy_weak_global(ref); |
4006 | 4270 #ifndef USDT2 |
0 | 4271 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
4006 | 4272 #else /* USDT2 */ |
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4273 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN(); |
4006 | 4274 #endif /* USDT2 */ |
0 | 4275 JNI_END |
4276 | |
4277 | |
4278 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
4279 JNIWrapper("jni_ExceptionCheck"); | |
4006 | 4280 #ifndef USDT2 |
0 | 4281 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
4006 | 4282 #else /* USDT2 */ |
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4283 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY(env); |
4006 | 4284 #endif /* USDT2 */ |
0 | 4285 jni_check_async_exceptions(thread); |
4286 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
4006 | 4287 #ifndef USDT2 |
0 | 4288 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
4006 | 4289 #else /* USDT2 */ |
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4290 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN(ret); |
4006 | 4291 #endif /* USDT2 */ |
0 | 4292 return ret; |
4293 JNI_END | |
4294 | |
4295 | |
4296 // Initialization state for three routines below relating to | |
4297 // java.nio.DirectBuffers | |
4298 static jint directBufferSupportInitializeStarted = 0; | |
4299 static volatile jint directBufferSupportInitializeEnded = 0; | |
4300 static volatile jint directBufferSupportInitializeFailed = 0; | |
4301 static jclass bufferClass = NULL; | |
4302 static jclass directBufferClass = NULL; | |
4303 static jclass directByteBufferClass = NULL; | |
4304 static jmethodID directByteBufferConstructor = NULL; | |
4305 static jfieldID directBufferAddressField = NULL; | |
4306 static jfieldID bufferCapacityField = NULL; | |
4307 | |
4308 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
4309 Handle loader; // null (bootstrap) loader | |
4310 Handle protection_domain; // null protection domain | |
4311 | |
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4312 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
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4313 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
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4314 |
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4315 if (TraceClassResolution && result != NULL) { |
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4316 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
657
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4317 } |
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4318 return result; |
0 | 4319 } |
4320 | |
4321 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
4322 // circumvent any security checks that would be done by jni_FindClass. | |
4323 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
4324 { | |
4325 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
4326 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
4327 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
4328 return true; | |
4329 } | |
4330 JNI_END | |
4331 | |
4332 | |
4333 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
4334 if (directBufferSupportInitializeFailed) { | |
4335 return false; | |
4336 } | |
4337 | |
4338 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
4339 if (!lookupDirectBufferClasses(env)) { | |
4340 directBufferSupportInitializeFailed = 1; | |
4341 return false; | |
4342 } | |
4343 | |
4344 // Make global references for these | |
4345 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
4346 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
4347 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
4348 | |
4349 // Get needed field and method IDs | |
4350 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
4351 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
4352 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
4353 | |
4354 if ((directByteBufferConstructor == NULL) || | |
4355 (directBufferAddressField == NULL) || | |
4356 (bufferCapacityField == NULL)) { | |
4357 directBufferSupportInitializeFailed = 1; | |
4358 return false; | |
4359 } | |
4360 | |
4361 directBufferSupportInitializeEnded = 1; | |
4362 } else { | |
4363 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
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4364 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
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4365 // os::sleep which requires the VM state transition. On other platforms, it |
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4366 // is not necessary. The following call to change the VM state is purposely |
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4367 // put inside the loop to avoid potential deadlock when multiple threads |
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4368 // try to call this method. See 6791815 for more details. |
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4369 ThreadInVMfromNative tivn(thread); |
0 | 4370 os::yield_all(); |
4371 } | |
4372 } | |
4373 | |
4374 return !directBufferSupportInitializeFailed; | |
4375 } | |
4376 | |
4377 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
4378 { | |
4379 // thread_from_jni_environment() will block if VM is gone. | |
4380 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4381 | |
4382 JNIWrapper("jni_NewDirectByteBuffer"); | |
4006 | 4383 #ifndef USDT2 |
0 | 4384 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
4006 | 4385 #else /* USDT2 */ |
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4386 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY(env, address, capacity); |
4006 | 4387 #endif /* USDT2 */ |
0 | 4388 |
4389 if (!directBufferSupportInitializeEnded) { | |
4390 if (!initializeDirectBufferSupport(env, thread)) { | |
4006 | 4391 #ifndef USDT2 |
0 | 4392 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
4006 | 4393 #else /* USDT2 */ |
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4394 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(NULL); |
4006 | 4395 #endif /* USDT2 */ |
0 | 4396 return NULL; |
4397 } | |
4398 } | |
4399 | |
4400 // Being paranoid about accidental sign extension on address | |
4401 jlong addr = (jlong) ((uintptr_t) address); | |
4402 // NOTE that package-private DirectByteBuffer constructor currently | |
4403 // takes int capacity | |
4404 jint cap = (jint) capacity; | |
4405 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
4006 | 4406 #ifndef USDT2 |
0 | 4407 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
4006 | 4408 #else /* USDT2 */ |
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4409 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(ret); |
4006 | 4410 #endif /* USDT2 */ |
0 | 4411 return ret; |
4412 } | |
4413 | |
4006 | 4414 #ifndef USDT2 |
0 | 4415 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
4006 | 4416 #else /* USDT2 */ |
4417 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
4418 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
4419 #endif /* USDT2 */ | |
0 | 4420 |
4421 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
4422 { | |
4423 // thread_from_jni_environment() will block if VM is gone. | |
4424 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4425 | |
4426 JNIWrapper("jni_GetDirectBufferAddress"); | |
4006 | 4427 #ifndef USDT2 |
0 | 4428 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
4006 | 4429 #else /* USDT2 */ |
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4430 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY(env, buf); |
4006 | 4431 #endif /* USDT2 */ |
0 | 4432 void* ret = NULL; |
4433 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
4434 | |
4435 if (!directBufferSupportInitializeEnded) { | |
4436 if (!initializeDirectBufferSupport(env, thread)) { | |
4437 return 0; | |
4438 } | |
4439 } | |
4440 | |
4441 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
4442 return 0; | |
4443 } | |
4444 | |
4445 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
4446 return ret; | |
4447 } | |
4448 | |
4006 | 4449 #ifndef USDT2 |
0 | 4450 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
4006 | 4451 #else /* USDT2 */ |
4452 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
4453 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
4454 #endif /* USDT2 */ | |
0 | 4455 |
4456 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
4457 { | |
4458 // thread_from_jni_environment() will block if VM is gone. | |
4459 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4460 | |
4461 JNIWrapper("jni_GetDirectBufferCapacity"); | |
4006 | 4462 #ifndef USDT2 |
0 | 4463 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
4006 | 4464 #else /* USDT2 */ |
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4465 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY(env, buf); |
4006 | 4466 #endif /* USDT2 */ |
0 | 4467 jlong ret = -1; |
4468 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
4469 | |
4470 if (!directBufferSupportInitializeEnded) { | |
4471 if (!initializeDirectBufferSupport(env, thread)) { | |
4472 ret = 0; | |
4473 return ret; | |
4474 } | |
4475 } | |
4476 | |
4477 if (buf == NULL) { | |
4478 return -1; | |
4479 } | |
4480 | |
4481 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
4482 return -1; | |
4483 } | |
4484 | |
4485 // NOTE that capacity is currently an int in the implementation | |
4486 ret = env->GetIntField(buf, bufferCapacityField); | |
4487 return ret; | |
4488 } | |
4489 | |
4490 | |
4491 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
4492 JNIWrapper("GetVersion"); | |
4006 | 4493 #ifndef USDT2 |
0 | 4494 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
4006 | 4495 #else /* USDT2 */ |
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4496 HOTSPOT_JNI_GETVERSION_ENTRY(env); |
4006 | 4497 #endif /* USDT2 */ |
4498 #ifndef USDT2 | |
0 | 4499 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
4006 | 4500 #else /* USDT2 */ |
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4501 HOTSPOT_JNI_GETVERSION_RETURN(CurrentVersion); |
4006 | 4502 #endif /* USDT2 */ |
0 | 4503 return CurrentVersion; |
4504 JNI_END | |
4505 | |
4506 extern struct JavaVM_ main_vm; | |
4507 | |
4508 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
4509 JNIWrapper("jni_GetJavaVM"); | |
4006 | 4510 #ifndef USDT2 |
0 | 4511 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
4006 | 4512 #else /* USDT2 */ |
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4513 HOTSPOT_JNI_GETJAVAVM_ENTRY(env, (void **) vm); |
4006 | 4514 #endif /* USDT2 */ |
0 | 4515 *vm = (JavaVM *)(&main_vm); |
4006 | 4516 #ifndef USDT2 |
0 | 4517 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
4006 | 4518 #else /* USDT2 */ |
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4519 HOTSPOT_JNI_GETJAVAVM_RETURN(JNI_OK); |
4006 | 4520 #endif /* USDT2 */ |
0 | 4521 return JNI_OK; |
4522 JNI_END | |
4523 | |
4524 // Structure containing all jni functions | |
4525 struct JNINativeInterface_ jni_NativeInterface = { | |
4526 NULL, | |
4527 NULL, | |
4528 NULL, | |
4529 | |
4530 NULL, | |
4531 | |
4532 jni_GetVersion, | |
4533 | |
4534 jni_DefineClass, | |
4535 jni_FindClass, | |
4536 | |
4537 jni_FromReflectedMethod, | |
4538 jni_FromReflectedField, | |
4539 | |
4540 jni_ToReflectedMethod, | |
4541 | |
4542 jni_GetSuperclass, | |
4543 jni_IsAssignableFrom, | |
4544 | |
4545 jni_ToReflectedField, | |
4546 | |
4547 jni_Throw, | |
4548 jni_ThrowNew, | |
4549 jni_ExceptionOccurred, | |
4550 jni_ExceptionDescribe, | |
4551 jni_ExceptionClear, | |
4552 jni_FatalError, | |
4553 | |
4554 jni_PushLocalFrame, | |
4555 jni_PopLocalFrame, | |
4556 | |
4557 jni_NewGlobalRef, | |
4558 jni_DeleteGlobalRef, | |
4559 jni_DeleteLocalRef, | |
4560 jni_IsSameObject, | |
4561 | |
4562 jni_NewLocalRef, | |
4563 jni_EnsureLocalCapacity, | |
4564 | |
4565 jni_AllocObject, | |
4566 jni_NewObject, | |
4567 jni_NewObjectV, | |
4568 jni_NewObjectA, | |
4569 | |
4570 jni_GetObjectClass, | |
4571 jni_IsInstanceOf, | |
4572 | |
4573 jni_GetMethodID, | |
4574 | |
4575 jni_CallObjectMethod, | |
4576 jni_CallObjectMethodV, | |
4577 jni_CallObjectMethodA, | |
4578 jni_CallBooleanMethod, | |
4579 jni_CallBooleanMethodV, | |
4580 jni_CallBooleanMethodA, | |
4581 jni_CallByteMethod, | |
4582 jni_CallByteMethodV, | |
4583 jni_CallByteMethodA, | |
4584 jni_CallCharMethod, | |
4585 jni_CallCharMethodV, | |
4586 jni_CallCharMethodA, | |
4587 jni_CallShortMethod, | |
4588 jni_CallShortMethodV, | |
4589 jni_CallShortMethodA, | |
4590 jni_CallIntMethod, | |
4591 jni_CallIntMethodV, | |
4592 jni_CallIntMethodA, | |
4593 jni_CallLongMethod, | |
4594 jni_CallLongMethodV, | |
4595 jni_CallLongMethodA, | |
4596 jni_CallFloatMethod, | |
4597 jni_CallFloatMethodV, | |
4598 jni_CallFloatMethodA, | |
4599 jni_CallDoubleMethod, | |
4600 jni_CallDoubleMethodV, | |
4601 jni_CallDoubleMethodA, | |
4602 jni_CallVoidMethod, | |
4603 jni_CallVoidMethodV, | |
4604 jni_CallVoidMethodA, | |
4605 | |
4606 jni_CallNonvirtualObjectMethod, | |
4607 jni_CallNonvirtualObjectMethodV, | |
4608 jni_CallNonvirtualObjectMethodA, | |
4609 jni_CallNonvirtualBooleanMethod, | |
4610 jni_CallNonvirtualBooleanMethodV, | |
4611 jni_CallNonvirtualBooleanMethodA, | |
4612 jni_CallNonvirtualByteMethod, | |
4613 jni_CallNonvirtualByteMethodV, | |
4614 jni_CallNonvirtualByteMethodA, | |
4615 jni_CallNonvirtualCharMethod, | |
4616 jni_CallNonvirtualCharMethodV, | |
4617 jni_CallNonvirtualCharMethodA, | |
4618 jni_CallNonvirtualShortMethod, | |
4619 jni_CallNonvirtualShortMethodV, | |
4620 jni_CallNonvirtualShortMethodA, | |
4621 jni_CallNonvirtualIntMethod, | |
4622 jni_CallNonvirtualIntMethodV, | |
4623 jni_CallNonvirtualIntMethodA, | |
4624 jni_CallNonvirtualLongMethod, | |
4625 jni_CallNonvirtualLongMethodV, | |
4626 jni_CallNonvirtualLongMethodA, | |
4627 jni_CallNonvirtualFloatMethod, | |
4628 jni_CallNonvirtualFloatMethodV, | |
4629 jni_CallNonvirtualFloatMethodA, | |
4630 jni_CallNonvirtualDoubleMethod, | |
4631 jni_CallNonvirtualDoubleMethodV, | |
4632 jni_CallNonvirtualDoubleMethodA, | |
4633 jni_CallNonvirtualVoidMethod, | |
4634 jni_CallNonvirtualVoidMethodV, | |
4635 jni_CallNonvirtualVoidMethodA, | |
4636 | |
4637 jni_GetFieldID, | |
4638 | |
4639 jni_GetObjectField, | |
4640 jni_GetBooleanField, | |
4641 jni_GetByteField, | |
4642 jni_GetCharField, | |
4643 jni_GetShortField, | |
4644 jni_GetIntField, | |
4645 jni_GetLongField, | |
4646 jni_GetFloatField, | |
4647 jni_GetDoubleField, | |
4648 | |
4649 jni_SetObjectField, | |
4650 jni_SetBooleanField, | |
4651 jni_SetByteField, | |
4652 jni_SetCharField, | |
4653 jni_SetShortField, | |
4654 jni_SetIntField, | |
4655 jni_SetLongField, | |
4656 jni_SetFloatField, | |
4657 jni_SetDoubleField, | |
4658 | |
4659 jni_GetStaticMethodID, | |
4660 | |
4661 jni_CallStaticObjectMethod, | |
4662 jni_CallStaticObjectMethodV, | |
4663 jni_CallStaticObjectMethodA, | |
4664 jni_CallStaticBooleanMethod, | |
4665 jni_CallStaticBooleanMethodV, | |
4666 jni_CallStaticBooleanMethodA, | |
4667 jni_CallStaticByteMethod, | |
4668 jni_CallStaticByteMethodV, | |
4669 jni_CallStaticByteMethodA, | |
4670 jni_CallStaticCharMethod, | |
4671 jni_CallStaticCharMethodV, | |
4672 jni_CallStaticCharMethodA, | |
4673 jni_CallStaticShortMethod, | |
4674 jni_CallStaticShortMethodV, | |
4675 jni_CallStaticShortMethodA, | |
4676 jni_CallStaticIntMethod, | |
4677 jni_CallStaticIntMethodV, | |
4678 jni_CallStaticIntMethodA, | |
4679 jni_CallStaticLongMethod, | |
4680 jni_CallStaticLongMethodV, | |
4681 jni_CallStaticLongMethodA, | |
4682 jni_CallStaticFloatMethod, | |
4683 jni_CallStaticFloatMethodV, | |
4684 jni_CallStaticFloatMethodA, | |
4685 jni_CallStaticDoubleMethod, | |
4686 jni_CallStaticDoubleMethodV, | |
4687 jni_CallStaticDoubleMethodA, | |
4688 jni_CallStaticVoidMethod, | |
4689 jni_CallStaticVoidMethodV, | |
4690 jni_CallStaticVoidMethodA, | |
4691 | |
4692 jni_GetStaticFieldID, | |
4693 | |
4694 jni_GetStaticObjectField, | |
4695 jni_GetStaticBooleanField, | |
4696 jni_GetStaticByteField, | |
4697 jni_GetStaticCharField, | |
4698 jni_GetStaticShortField, | |
4699 jni_GetStaticIntField, | |
4700 jni_GetStaticLongField, | |
4701 jni_GetStaticFloatField, | |
4702 jni_GetStaticDoubleField, | |
4703 | |
4704 jni_SetStaticObjectField, | |
4705 jni_SetStaticBooleanField, | |
4706 jni_SetStaticByteField, | |
4707 jni_SetStaticCharField, | |
4708 jni_SetStaticShortField, | |
4709 jni_SetStaticIntField, | |
4710 jni_SetStaticLongField, | |
4711 jni_SetStaticFloatField, | |
4712 jni_SetStaticDoubleField, | |
4713 | |
4714 jni_NewString, | |
4715 jni_GetStringLength, | |
4716 jni_GetStringChars, | |
4717 jni_ReleaseStringChars, | |
4718 | |
4719 jni_NewStringUTF, | |
4720 jni_GetStringUTFLength, | |
4721 jni_GetStringUTFChars, | |
4722 jni_ReleaseStringUTFChars, | |
4723 | |
4724 jni_GetArrayLength, | |
4725 | |
4726 jni_NewObjectArray, | |
4727 jni_GetObjectArrayElement, | |
4728 jni_SetObjectArrayElement, | |
4729 | |
4730 jni_NewBooleanArray, | |
4731 jni_NewByteArray, | |
4732 jni_NewCharArray, | |
4733 jni_NewShortArray, | |
4734 jni_NewIntArray, | |
4735 jni_NewLongArray, | |
4736 jni_NewFloatArray, | |
4737 jni_NewDoubleArray, | |
4738 | |
4739 jni_GetBooleanArrayElements, | |
4740 jni_GetByteArrayElements, | |
4741 jni_GetCharArrayElements, | |
4742 jni_GetShortArrayElements, | |
4743 jni_GetIntArrayElements, | |
4744 jni_GetLongArrayElements, | |
4745 jni_GetFloatArrayElements, | |
4746 jni_GetDoubleArrayElements, | |
4747 | |
4748 jni_ReleaseBooleanArrayElements, | |
4749 jni_ReleaseByteArrayElements, | |
4750 jni_ReleaseCharArrayElements, | |
4751 jni_ReleaseShortArrayElements, | |
4752 jni_ReleaseIntArrayElements, | |
4753 jni_ReleaseLongArrayElements, | |
4754 jni_ReleaseFloatArrayElements, | |
4755 jni_ReleaseDoubleArrayElements, | |
4756 | |
4757 jni_GetBooleanArrayRegion, | |
4758 jni_GetByteArrayRegion, | |
4759 jni_GetCharArrayRegion, | |
4760 jni_GetShortArrayRegion, | |
4761 jni_GetIntArrayRegion, | |
4762 jni_GetLongArrayRegion, | |
4763 jni_GetFloatArrayRegion, | |
4764 jni_GetDoubleArrayRegion, | |
4765 | |
4766 jni_SetBooleanArrayRegion, | |
4767 jni_SetByteArrayRegion, | |
4768 jni_SetCharArrayRegion, | |
4769 jni_SetShortArrayRegion, | |
4770 jni_SetIntArrayRegion, | |
4771 jni_SetLongArrayRegion, | |
4772 jni_SetFloatArrayRegion, | |
4773 jni_SetDoubleArrayRegion, | |
4774 | |
4775 jni_RegisterNatives, | |
4776 jni_UnregisterNatives, | |
4777 | |
4778 jni_MonitorEnter, | |
4779 jni_MonitorExit, | |
4780 | |
4781 jni_GetJavaVM, | |
4782 | |
4783 jni_GetStringRegion, | |
4784 jni_GetStringUTFRegion, | |
4785 | |
4786 jni_GetPrimitiveArrayCritical, | |
4787 jni_ReleasePrimitiveArrayCritical, | |
4788 | |
4789 jni_GetStringCritical, | |
4790 jni_ReleaseStringCritical, | |
4791 | |
4792 jni_NewWeakGlobalRef, | |
4793 jni_DeleteWeakGlobalRef, | |
4794 | |
4795 jni_ExceptionCheck, | |
4796 | |
4797 jni_NewDirectByteBuffer, | |
4798 jni_GetDirectBufferAddress, | |
4799 jni_GetDirectBufferCapacity, | |
4800 | |
4801 // New 1_6 features | |
4802 | |
4803 jni_GetObjectRefType | |
4804 }; | |
4805 | |
4806 | |
4807 // For jvmti use to modify jni function table. | |
4808 // Java threads in native contiues to run until it is transitioned | |
4809 // to VM at safepoint. Before the transition or before it is blocked | |
4810 // for safepoint it may access jni function table. VM could crash if | |
4811 // any java thread access the jni function table in the middle of memcpy. | |
4812 // To avoid this each function pointers are copied automically. | |
4813 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
4814 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
4815 intptr_t *a = (intptr_t *) jni_functions(); | |
4816 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
4817 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
4818 Atomic::store_ptr(*b++, a++); | |
4819 } | |
4820 } | |
4821 | |
4822 void quicken_jni_functions() { | |
4823 // Replace Get<Primitive>Field with fast versions | |
4824 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
4825 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
4826 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
4827 // windows x86 currently needs SEH wrapper and the gain of the fast | |
4828 // versions currently isn't certain for server vm on uniprocessor. | |
4829 && os::is_MP() | |
4830 #endif | |
4831 ) { | |
4832 address func; | |
4833 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
4834 if (func != (address)-1) { | |
4835 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
4836 } | |
4837 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
4838 if (func != (address)-1) { | |
4839 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
4840 } | |
4841 func = JNI_FastGetField::generate_fast_get_char_field(); | |
4842 if (func != (address)-1) { | |
4843 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
4844 } | |
4845 func = JNI_FastGetField::generate_fast_get_short_field(); | |
4846 if (func != (address)-1) { | |
4847 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
4848 } | |
4849 func = JNI_FastGetField::generate_fast_get_int_field(); | |
4850 if (func != (address)-1) { | |
4851 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
4852 } | |
4853 func = JNI_FastGetField::generate_fast_get_long_field(); | |
4854 if (func != (address)-1) { | |
4855 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
4856 } | |
4857 func = JNI_FastGetField::generate_fast_get_float_field(); | |
4858 if (func != (address)-1) { | |
4859 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
4860 } | |
4861 func = JNI_FastGetField::generate_fast_get_double_field(); | |
4862 if (func != (address)-1) { | |
4863 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
4864 } | |
4865 } | |
4866 } | |
4867 | |
4868 // Returns the function structure | |
4869 struct JNINativeInterface_* jni_functions() { | |
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4870 #if INCLUDE_JNI_CHECK |
0 | 4871 if (CheckJNICalls) return jni_functions_check(); |
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4872 #endif // INCLUDE_JNI_CHECK |
0 | 4873 return &jni_NativeInterface; |
4874 } | |
4875 | |
4876 // Returns the function structure | |
4877 struct JNINativeInterface_* jni_functions_nocheck() { | |
4878 return &jni_NativeInterface; | |
4879 } | |
4880 | |
4881 | |
4882 // Invocation API | |
4883 | |
4884 | |
4885 // Forward declaration | |
4886 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
4887 | |
4888 // Global invocation API vars | |
4889 volatile jint vm_created = 0; | |
4890 // Indicate whether it is safe to recreate VM | |
4891 volatile jint safe_to_recreate_vm = 1; | |
4892 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
4893 | |
4894 | |
4895 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
4896 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
4897 | |
4006 | 4898 #ifndef USDT2 |
0 | 4899 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
4900 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
4006 | 4901 #else /* USDT2 */ |
4902 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
4903 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
4904 #endif /* USDT2 */ | |
0 | 4905 |
4906 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
4006 | 4907 #ifndef USDT2 |
0 | 4908 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
4006 | 4909 #else /* USDT2 */ |
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4910 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY(args_); |
4006 | 4911 #endif /* USDT2 */ |
0 | 4912 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
4913 jint ret = JNI_ERR; | |
4914 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
4915 | |
4916 if (Threads::is_supported_jni_version(args->version)) { | |
4917 ret = JNI_OK; | |
4918 } | |
4919 // 1.1 style no longer supported in hotspot. | |
4920 // According the JNI spec, we should update args->version on return. | |
4921 // We also use the structure to communicate with launcher about default | |
4922 // stack size. | |
4923 if (args->version == JNI_VERSION_1_1) { | |
4924 args->version = JNI_VERSION_1_2; | |
4925 // javaStackSize is int in arguments structure | |
4926 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
4927 args->javaStackSize = (jint)(ThreadStackSize * K); | |
4928 } | |
4929 return ret; | |
4930 } | |
4931 | |
3779 | 4932 #ifndef PRODUCT |
4933 | |
10405 | 4934 #include "gc_implementation/shared/gcTimer.hpp" |
4708 | 4935 #include "gc_interface/collectedHeap.hpp" |
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4936 #if INCLUDE_ALL_GCS |
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4937 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
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4938 #endif |
3779 | 4939 #include "utilities/quickSort.hpp" |
12215 | 4940 #include "utilities/ostream.hpp" |
7171 | 4941 #if INCLUDE_VM_STRUCTS |
4942 #include "runtime/vmStructs.hpp" | |
4943 #endif | |
3779 | 4944 |
4708 | 4945 #define run_unit_test(unit_test_function_call) \ |
4946 tty->print_cr("Running test: " #unit_test_function_call); \ | |
4947 unit_test_function_call | |
4948 | |
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4949 // Forward declaration |
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4950 void TestReservedSpace_test(); |
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4951 void TestReserveMemorySpecial_test(); |
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4952 void TestVirtualSpace_test(); |
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4953 void TestMetaspaceAux_test(); |
12902 | 4954 void TestMetachunk_test(); |
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4955 void TestVirtualSpaceNode_test(); |
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4956 void TestOldFreeSpaceCalculation_test(); |
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4957 #if INCLUDE_ALL_GCS |
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4958 void TestG1BiasedArray_test(); |
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4959 #endif |
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4960 |
3779 | 4961 void execute_internal_vm_tests() { |
4962 if (ExecuteInternalVMTests) { | |
4708 | 4963 tty->print_cr("Running internal VM tests"); |
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4964 run_unit_test(TestReservedSpace_test()); |
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|
4965 run_unit_test(TestReserveMemorySpecial_test()); |
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
4966 run_unit_test(TestVirtualSpace_test()); |
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
4967 run_unit_test(TestMetaspaceAux_test()); |
12902 | 4968 run_unit_test(TestMetachunk_test()); |
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
4969 run_unit_test(TestVirtualSpaceNode_test()); |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
4970 run_unit_test(GlobalDefinitions::test_globals()); |
10405 | 4971 run_unit_test(GCTimerAllTest::all()); |
4708 | 4972 run_unit_test(arrayOopDesc::test_max_array_length()); |
4973 run_unit_test(CollectedHeap::test_is_in()); | |
4974 run_unit_test(QuickSort::test_quick_sort()); | |
6162 | 4975 run_unit_test(AltHashing::test_alt_hash()); |
12215 | 4976 run_unit_test(test_loggc_filename()); |
14313
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14179
diff
changeset
|
4977 run_unit_test(TestOldFreeSpaceCalculation_test()); |
7171 | 4978 #if INCLUDE_VM_STRUCTS |
4979 run_unit_test(VMStructs::test()); | |
4980 #endif | |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
4981 #if INCLUDE_ALL_GCS |
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
4982 run_unit_test(TestG1BiasedArray_test()); |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
4983 run_unit_test(HeapRegionRemSet::test_prt()); |
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
4984 #endif |
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
4985 tty->print_cr("All internal VM tests passed"); |
3779 | 4986 } |
4987 } | |
4988 | |
4708 | 4989 #undef run_unit_test |
4990 | |
3779 | 4991 #endif |
4992 | |
4006 | 4993 #ifndef USDT2 |
0 | 4994 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
4995 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
4006 | 4996 #else /* USDT2 */ |
4997 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
4998 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
4999 #endif /* USDT2 */ | |
0 | 5000 |
5001 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
4006 | 5002 #ifndef USDT2 |
0 | 5003 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
4006 | 5004 #else /* USDT2 */ |
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
parents:
14179
diff
changeset
|
5005 HOTSPOT_JNI_CREATEJAVAVM_ENTRY((void **) vm, penv, args); |
4006 | 5006 #endif /* USDT2 */ |
0 | 5007 |
5008 jint result = JNI_ERR; | |
5009 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
5010 | |
1078 | 5011 // We're about to use Atomic::xchg for synchronization. Some Zero |
5012 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
5013 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
5014 // on all architectures. So we check it works before relying on it. | |
5015 #if defined(ZERO) && defined(ASSERT) | |
5016 { | |
5017 jint a = 0xcafebabe; | |
5018 jint b = Atomic::xchg(0xdeadbeef, &a); | |
5019 void *c = &a; | |
5020 void *d = Atomic::xchg_ptr(&b, &c); | |
1132 | 5021 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
1078 | 5022 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
5023 } | |
5024 #endif // ZERO && ASSERT | |
5025 | |
0 | 5026 // At the moment it's only possible to have one Java VM, |
5027 // since some of the runtime state is in global variables. | |
5028 | |
5029 // We cannot use our mutex locks here, since they only work on | |
5030 // Threads. We do an atomic compare and exchange to ensure only | |
5031 // one thread can call this method at a time | |
5032 | |
5033 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
5034 // the add/dec implementations are dependent on whether we are running | |
5035 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
5036 // function used to determine this will always return false. Atomic::xchg | |
5037 // does not have this problem. | |
5038 if (Atomic::xchg(1, &vm_created) == 1) { | |
11089
f323bbb0e6c1
8019833: Wrong JNI error code for preexisting JVM
coleenp
parents:
11059
diff
changeset
|
5039 return JNI_EEXIST; // already created, or create attempt in progress |
0 | 5040 } |
5041 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
5042 return JNI_ERR; // someone tried and failed and retry not allowed. | |
5043 } | |
5044 | |
5045 assert(vm_created == 1, "vm_created is true during the creation"); | |
5046 | |
5047 /** | |
5048 * Certain errors during initialization are recoverable and do not | |
5049 * prevent this method from being called again at a later time | |
5050 * (perhaps with different arguments). However, at a certain | |
5051 * point during initialization if an error occurs we cannot allow | |
5052 * this function to be called again (or it will crash). In those | |
5053 * situations, the 'canTryAgain' flag is set to false, which atomically | |
5054 * sets safe_to_recreate_vm to 1, such that any new call to | |
5055 * JNI_CreateJavaVM will immediately fail using the above logic. | |
5056 */ | |
5057 bool can_try_again = true; | |
5058 | |
5059 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
5060 if (result == JNI_OK) { | |
5061 JavaThread *thread = JavaThread::current(); | |
14297
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5062 assert(!thread->has_pending_exception(), "should have returned not OK"); |
0 | 5063 /* thread is thread_in_vm here */ |
5064 *vm = (JavaVM *)(&main_vm); | |
5065 *(JNIEnv**)penv = thread->jni_environment(); | |
5066 | |
5067 // Tracks the time application was running before GC | |
5068 RuntimeService::record_application_start(); | |
5069 | |
5070 // Notify JVMTI | |
5071 if (JvmtiExport::should_post_thread_life()) { | |
5072 JvmtiExport::post_thread_start(thread); | |
5073 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5074 |
10405 | 5075 EventThreadStart event; |
5076 if (event.should_commit()) { | |
5077 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
5078 event.commit(); | |
5079 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5080 |
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5081 #ifndef PRODUCT |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5082 #ifndef TARGET_OS_FAMILY_windows |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5083 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f() |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5084 #endif |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5085 |
0 | 5086 // Check if we should compile all classes on bootclasspath |
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5087 if (CompileTheWorld) ClassLoader::compile_the_world(); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5088 if (ReplayCompiles) ciReplay::replay(thread); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5089 |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5090 // Some platforms (like Win*) need a wrapper around these test |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5091 // functions in order to properly handle error conditions. |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5092 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5093 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5094 #endif |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5095 |
0 | 5096 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
5097 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5098 } else { | |
14297
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5099 // If create_vm exits because of a pending exception, exit with that |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5100 // exception. In the future when we figure out how to reclaim memory, |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5101 // we may be able to exit with JNI_ERR and allow the calling application |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5102 // to continue. |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5103 if (Universe::is_fully_initialized()) { |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5104 // otherwise no pending exception possible - VM will already have aborted |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5105 JavaThread* THREAD = JavaThread::current(); |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5106 if (HAS_PENDING_EXCEPTION) { |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5107 HandleMark hm; |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5108 vm_exit_during_initialization(Handle(THREAD, PENDING_EXCEPTION)); |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5109 } |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5110 } |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
5111 |
0 | 5112 if (can_try_again) { |
5113 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
5114 safe_to_recreate_vm = 1; | |
5115 } | |
5116 | |
5117 // Creation failed. We must reset vm_created | |
5118 *vm = 0; | |
5119 *(JNIEnv**)penv = 0; | |
5120 // reset vm_created last to avoid race condition. Use OrderAccess to | |
5121 // control both compiler and architectural-based reordering. | |
5122 OrderAccess::release_store(&vm_created, 0); | |
5123 } | |
5124 | |
5125 return result; | |
5126 } | |
5127 | |
4006 | 5128 #ifndef USDT2 |
0 | 5129 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5130 JavaVM**, jsize, jsize*); | |
5131 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
4006 | 5132 #endif /* !USDT2 */ |
0 | 5133 |
5134 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
5135 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
5136 // JNIWrapper("GetCreatedJavaVMs"); | |
4006 | 5137 #ifndef USDT2 |
0 | 5138 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5139 vm_buf, bufLen, numVMs); | |
4006 | 5140 #else /* USDT2 */ |
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
parents:
14179
diff
changeset
|
5141 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY((void **) vm_buf, bufLen, (uintptr_t *) numVMs); |
4006 | 5142 #endif /* USDT2 */ |
0 | 5143 if (vm_created) { |
5144 if (numVMs != NULL) *numVMs = 1; | |
5145 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
5146 } else { | |
5147 if (numVMs != NULL) *numVMs = 0; | |
5148 } | |
4006 | 5149 #ifndef USDT2 |
0 | 5150 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
4006 | 5151 #else /* USDT2 */ |
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
parents:
14179
diff
changeset
|
5152 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN(JNI_OK); |
4006 | 5153 #endif /* USDT2 */ |
0 | 5154 return JNI_OK; |
5155 } | |
5156 | |
5157 extern "C" { | |
5158 | |
4006 | 5159 #ifndef USDT2 |
0 | 5160 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
4006 | 5161 #else /* USDT2 */ |
5162 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
5163 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
5164 #endif /* USDT2 */ | |
0 | 5165 |
5166 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
4006 | 5167 #ifndef USDT2 |
0 | 5168 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
4006 | 5169 #else /* USDT2 */ |
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
parents:
14179
diff
changeset
|
5170 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY(vm); |
4006 | 5171 #endif /* USDT2 */ |
0 | 5172 jint res = JNI_ERR; |
5173 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
5174 | |
5175 if (!vm_created) { | |
5176 res = JNI_ERR; | |
5177 return res; | |
5178 } | |
5179 | |
5180 JNIWrapper("DestroyJavaVM"); | |
5181 JNIEnv *env; | |
5182 JavaVMAttachArgs destroyargs; | |
5183 destroyargs.version = CurrentVersion; | |
5184 destroyargs.name = (char *)"DestroyJavaVM"; | |
5185 destroyargs.group = NULL; | |
5186 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
5187 if (res != JNI_OK) { | |
5188 return res; | |
5189 } | |
5190 | |
5191 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
5192 JavaThread* thread = JavaThread::current(); | |
5193 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5194 if (Threads::destroy_vm()) { | |
5195 // Should not change thread state, VM is gone | |
5196 vm_created = false; | |
5197 res = JNI_OK; | |
5198 return res; | |
5199 } else { | |
5200 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5201 res = JNI_ERR; | |
5202 return res; | |
5203 } | |
5204 } | |
5205 | |
5206 | |
5207 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
5208 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
5209 | |
5210 // Check below commented out from JDK1.2fcs as well | |
5211 /* | |
5212 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
5213 return JNI_EVERSION; | |
5214 } | |
5215 */ | |
5216 | |
5217 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
5218 if (t != NULL) { | |
5219 // If the thread has been attached this operation is a no-op | |
5220 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
5221 return JNI_OK; | |
5222 } | |
5223 | |
5224 // Create a thread and mark it as attaching so it will be skipped by the | |
5225 // ThreadsListEnumerator - see CR 6404306 | |
5226 JavaThread* thread = new JavaThread(true); | |
5227 | |
5228 // Set correct safepoint info. The thread is going to call into Java when | |
5229 // initializing the Java level thread object. Hence, the correct state must | |
5230 // be set in order for the Safepoint code to deal with it correctly. | |
5231 thread->set_thread_state(_thread_in_vm); | |
5232 // Must do this before initialize_thread_local_storage | |
5233 thread->record_stack_base_and_size(); | |
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5234 |
0 | 5235 thread->initialize_thread_local_storage(); |
5236 | |
5237 if (!os::create_attached_thread(thread)) { | |
5238 delete thread; | |
5239 return JNI_ERR; | |
5240 } | |
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5241 // Enable stack overflow checks |
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5242 thread->create_stack_guard_pages(); |
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5243 |
0 | 5244 thread->initialize_tlab(); |
5245 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5246 thread->cache_global_variables(); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5247 |
0 | 5248 // Crucial that we do not have a safepoint check for this thread, since it has |
5249 // not been added to the Thread list yet. | |
5250 { Threads_lock->lock_without_safepoint_check(); | |
5251 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
5252 // avoid this thread trying to do a GC before it is added to the thread-list | |
5253 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
5254 Threads::add(thread, daemon); | |
5255 Threads_lock->unlock(); | |
5256 } | |
5257 // Create thread group and name info from attach arguments | |
5258 oop group = NULL; | |
5259 char* thread_name = NULL; | |
5260 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
5261 group = JNIHandles::resolve(args->group); | |
5262 thread_name = args->name; // may be NULL | |
5263 } | |
5264 if (group == NULL) group = Universe::main_thread_group(); | |
5265 | |
5266 // Create Java level thread object and attach it to this thread | |
5267 bool attach_failed = false; | |
5268 { | |
5269 EXCEPTION_MARK; | |
5270 HandleMark hm(THREAD); | |
5271 Handle thread_group(THREAD, group); | |
5272 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
5273 if (HAS_PENDING_EXCEPTION) { | |
5274 CLEAR_PENDING_EXCEPTION; | |
5275 // cleanup outside the handle mark. | |
5276 attach_failed = true; | |
5277 } | |
5278 } | |
5279 | |
5280 if (attach_failed) { | |
5281 // Added missing cleanup | |
5282 thread->cleanup_failed_attach_current_thread(); | |
5283 return JNI_ERR; | |
5284 } | |
5285 | |
5286 // mark the thread as no longer attaching | |
5287 // this uses a fence to push the change through so we don't have | |
5288 // to regrab the threads_lock | |
4006 | 5289 thread->set_done_attaching_via_jni(); |
0 | 5290 |
5291 // Set java thread status. | |
5292 java_lang_Thread::set_thread_status(thread->threadObj(), | |
5293 java_lang_Thread::RUNNABLE); | |
5294 | |
5295 // Notify the debugger | |
5296 if (JvmtiExport::should_post_thread_life()) { | |
5297 JvmtiExport::post_thread_start(thread); | |
5298 } | |
5299 | |
10405 | 5300 EventThreadStart event; |
5301 if (event.should_commit()) { | |
5302 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
5303 event.commit(); | |
5304 } | |
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5305 |
0 | 5306 *(JNIEnv**)penv = thread->jni_environment(); |
5307 | |
5308 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
5309 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
5310 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
5311 // needed. | |
5312 | |
5313 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5314 | |
5315 // Perform any platform dependent FPU setup | |
5316 os::setup_fpu(); | |
5317 | |
5318 return JNI_OK; | |
5319 } | |
5320 | |
5321 | |
5322 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5323 #ifndef USDT2 |
0 | 5324 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
4006 | 5325 #else /* USDT2 */ |
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5326 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY(vm, penv, _args); |
4006 | 5327 #endif /* USDT2 */ |
0 | 5328 if (!vm_created) { |
4006 | 5329 #ifndef USDT2 |
0 | 5330 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
4006 | 5331 #else /* USDT2 */ |
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5332 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN((uint32_t) JNI_ERR); |
4006 | 5333 #endif /* USDT2 */ |
0 | 5334 return JNI_ERR; |
5335 } | |
5336 | |
5337 JNIWrapper("AttachCurrentThread"); | |
5338 jint ret = attach_current_thread(vm, penv, _args, false); | |
4006 | 5339 #ifndef USDT2 |
0 | 5340 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
4006 | 5341 #else /* USDT2 */ |
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5342 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(ret); |
4006 | 5343 #endif /* USDT2 */ |
0 | 5344 return ret; |
5345 } | |
5346 | |
5347 | |
5348 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
4006 | 5349 #ifndef USDT2 |
0 | 5350 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
4006 | 5351 #else /* USDT2 */ |
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5352 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY(vm); |
4006 | 5353 #endif /* USDT2 */ |
0 | 5354 VM_Exit::block_if_vm_exited(); |
5355 | |
5356 JNIWrapper("DetachCurrentThread"); | |
5357 | |
5358 // If the thread has been deattacted the operations is a no-op | |
5359 if (ThreadLocalStorage::thread() == NULL) { | |
4006 | 5360 #ifndef USDT2 |
0 | 5361 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5362 #else /* USDT2 */ |
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5363 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(JNI_OK); |
4006 | 5364 #endif /* USDT2 */ |
0 | 5365 return JNI_OK; |
5366 } | |
5367 | |
5368 JavaThread* thread = JavaThread::current(); | |
5369 if (thread->has_last_Java_frame()) { | |
4006 | 5370 #ifndef USDT2 |
0 | 5371 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
4006 | 5372 #else /* USDT2 */ |
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5373 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN((uint32_t) JNI_ERR); |
4006 | 5374 #endif /* USDT2 */ |
0 | 5375 // Can't detach a thread that's running java, that can't work. |
5376 return JNI_ERR; | |
5377 } | |
5378 | |
5379 // Safepoint support. Have to do call-back to safepoint code, if in the | |
5380 // middel of a safepoint operation | |
5381 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5382 | |
5383 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
5384 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
5385 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
5386 // of the guards is visible in jni_AttachCurrentThread above, | |
5387 // the removal of the guards is buried below in JavaThread::exit() | |
5388 // here. The abstraction should be more symmetrically either exposed | |
5389 // or hidden (e.g. it could probably be hidden in the same | |
5390 // (platform-dependent) methods where we do alternate stack | |
5391 // maintenance work?) | |
5392 thread->exit(false, JavaThread::jni_detach); | |
5393 delete thread; | |
5394 | |
4006 | 5395 #ifndef USDT2 |
0 | 5396 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5397 #else /* USDT2 */ |
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5398 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(JNI_OK); |
4006 | 5399 #endif /* USDT2 */ |
0 | 5400 return JNI_OK; |
5401 } | |
5402 | |
4006 | 5403 #ifndef USDT2 |
0 | 5404 DT_RETURN_MARK_DECL(GetEnv, jint); |
4006 | 5405 #else /* USDT2 */ |
5406 DT_RETURN_MARK_DECL(GetEnv, jint | |
5407 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
5408 #endif /* USDT2 */ | |
0 | 5409 |
5410 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
4006 | 5411 #ifndef USDT2 |
0 | 5412 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
4006 | 5413 #else /* USDT2 */ |
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5414 HOTSPOT_JNI_GETENV_ENTRY(vm, penv, version); |
4006 | 5415 #endif /* USDT2 */ |
0 | 5416 jint ret = JNI_ERR; |
5417 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
5418 | |
5419 if (!vm_created) { | |
5420 *penv = NULL; | |
5421 ret = JNI_EDETACHED; | |
5422 return ret; | |
5423 } | |
5424 | |
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5425 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
0 | 5426 return ret; |
5427 } | |
5428 | |
5429 #ifndef JVMPI_VERSION_1 | |
5430 // need these in order to be polite about older agents | |
5431 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
5432 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
5433 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
5434 #endif // !JVMPI_VERSION_1 | |
5435 | |
5436 Thread* thread = ThreadLocalStorage::thread(); | |
5437 if (thread != NULL && thread->is_Java_thread()) { | |
5438 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
5439 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
5440 ret = JNI_OK; | |
5441 return ret; | |
5442 | |
5443 } else if (version == JVMPI_VERSION_1 || | |
5444 version == JVMPI_VERSION_1_1 || | |
5445 version == JVMPI_VERSION_1_2) { | |
5446 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
5447 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5448 ret = JNI_EVERSION; | |
5449 return ret; | |
5450 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
5451 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
5452 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5453 ret = JNI_EVERSION; | |
5454 return ret; | |
5455 } else { | |
5456 *penv = NULL; | |
5457 ret = JNI_EVERSION; | |
5458 return ret; | |
5459 } | |
5460 } else { | |
5461 *penv = NULL; | |
5462 ret = JNI_EDETACHED; | |
5463 return ret; | |
5464 } | |
5465 } | |
5466 | |
5467 | |
5468 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5469 #ifndef USDT2 |
0 | 5470 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
4006 | 5471 #else /* USDT2 */ |
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5472 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY(vm, penv, _args); |
4006 | 5473 #endif /* USDT2 */ |
0 | 5474 if (!vm_created) { |
4006 | 5475 #ifndef USDT2 |
0 | 5476 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
4006 | 5477 #else /* USDT2 */ |
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5478 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN((uint32_t) JNI_ERR); |
4006 | 5479 #endif /* USDT2 */ |
0 | 5480 return JNI_ERR; |
5481 } | |
5482 | |
5483 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
5484 jint ret = attach_current_thread(vm, penv, _args, true); | |
4006 | 5485 #ifndef USDT2 |
0 | 5486 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
4006 | 5487 #else /* USDT2 */ |
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5488 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(ret); |
4006 | 5489 #endif /* USDT2 */ |
0 | 5490 return ret; |
5491 } | |
5492 | |
5493 | |
5494 } // End extern "C" | |
5495 | |
5496 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
5497 NULL, | |
5498 NULL, | |
5499 NULL, | |
5500 | |
5501 jni_DestroyJavaVM, | |
5502 jni_AttachCurrentThread, | |
5503 jni_DetachCurrentThread, | |
5504 jni_GetEnv, | |
5505 jni_AttachCurrentThreadAsDaemon | |
5506 }; |