Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 19011:203c7256e123
Merge.
author | Chris Seaton <chris.seaton@oracle.com> |
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date | Thu, 29 Jan 2015 00:12:55 +0000 |
parents | 6a2f814224b1 |
children | 104304a54b0c |
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 #ifdef GRAAL |
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37 #include "graal/graalCompiler.hpp" |
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38 #include "graal/graalRuntime.hpp" |
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39 #endif |
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40 #if INCLUDE_ALL_GCS |
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41 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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42 #endif // INCLUDE_ALL_GCS |
6197 | 43 #include "memory/allocation.hpp" |
1972 | 44 #include "memory/allocation.inline.hpp" |
45 #include "memory/gcLocker.inline.hpp" | |
46 #include "memory/oopFactory.hpp" | |
47 #include "memory/universe.inline.hpp" | |
48 #include "oops/instanceKlass.hpp" | |
49 #include "oops/instanceOop.hpp" | |
50 #include "oops/markOop.hpp" | |
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51 #include "oops/method.hpp" |
1972 | 52 #include "oops/objArrayKlass.hpp" |
53 #include "oops/objArrayOop.hpp" | |
54 #include "oops/oop.inline.hpp" | |
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55 #include "oops/symbol.hpp" |
1972 | 56 #include "oops/typeArrayKlass.hpp" |
57 #include "oops/typeArrayOop.hpp" | |
58 #include "prims/jni.h" | |
59 #include "prims/jniCheck.hpp" | |
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60 #include "prims/jniExport.hpp" |
1972 | 61 #include "prims/jniFastGetField.hpp" |
62 #include "prims/jvm.h" | |
63 #include "prims/jvm_misc.hpp" | |
64 #include "prims/jvmtiExport.hpp" | |
65 #include "prims/jvmtiThreadState.hpp" | |
66 #include "runtime/compilationPolicy.hpp" | |
67 #include "runtime/fieldDescriptor.hpp" | |
68 #include "runtime/fprofiler.hpp" | |
69 #include "runtime/handles.inline.hpp" | |
70 #include "runtime/interfaceSupport.hpp" | |
71 #include "runtime/java.hpp" | |
72 #include "runtime/javaCalls.hpp" | |
73 #include "runtime/jfieldIDWorkaround.hpp" | |
74 #include "runtime/reflection.hpp" | |
75 #include "runtime/sharedRuntime.hpp" | |
76 #include "runtime/signature.hpp" | |
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77 #include "runtime/thread.inline.hpp" |
1972 | 78 #include "runtime/vm_operations.hpp" |
79 #include "services/runtimeService.hpp" | |
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80 #include "trace/tracing.hpp" |
1972 | 81 #include "utilities/defaultStream.hpp" |
82 #include "utilities/dtrace.hpp" | |
83 #include "utilities/events.hpp" | |
84 #include "utilities/histogram.hpp" | |
85 #ifdef TARGET_OS_FAMILY_linux | |
86 # include "os_linux.inline.hpp" | |
87 #endif | |
88 #ifdef TARGET_OS_FAMILY_solaris | |
89 # include "os_solaris.inline.hpp" | |
90 #endif | |
91 #ifdef TARGET_OS_FAMILY_windows | |
92 # include "os_windows.inline.hpp" | |
93 #endif | |
3960 | 94 #ifdef TARGET_OS_FAMILY_bsd |
95 # include "os_bsd.inline.hpp" | |
96 #endif | |
0 | 97 |
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98 static jint CurrentVersion = JNI_VERSION_1_8; |
0 | 99 |
100 | |
101 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
102 // '-return' probe regardless of the return path is taken out of the function. | |
103 // Methods that have multiple return paths use this to avoid having to | |
104 // instrument each return path. Methods that use CHECK or THROW must use this | |
105 // since those macros can cause an immedate uninstrumented return. | |
106 // | |
107 // In order to get the return value, a reference to the variable containing | |
108 // the return value must be passed to the contructor of the object, and | |
109 // the return value must be set before return (since the mark object has | |
110 // a reference to it). | |
111 // | |
112 // Example: | |
113 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
114 // JNI_ENTRY(int, SomeFunc, ...) | |
115 // int return_value = 0; | |
116 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
117 // foo(CHECK_0) | |
118 // return_value = 5; | |
119 // return return_value; | |
120 // JNI_END | |
4006 | 121 #ifndef USDT2 |
0 | 122 #define DT_RETURN_MARK_DECL(name, type) \ |
123 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
124 DTRACE_ONLY( \ | |
125 class DTraceReturnProbeMark_##name { \ | |
126 public: \ | |
127 const type& _ret_ref; \ | |
128 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
129 ~DTraceReturnProbeMark_##name() { \ | |
130 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
131 } \ | |
132 } \ | |
133 ) | |
134 // Void functions are simpler since there's no return value | |
135 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
136 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
137 DTRACE_ONLY( \ | |
138 class DTraceReturnProbeMark_##name { \ | |
139 public: \ | |
140 ~DTraceReturnProbeMark_##name() { \ | |
141 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
142 } \ | |
143 } \ | |
144 ) | |
145 | |
4006 | 146 #else /* USDT2 */ |
147 | |
148 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
149 DTRACE_ONLY( \ | |
150 class DTraceReturnProbeMark_##name { \ | |
151 public: \ | |
152 const type& _ret_ref; \ | |
153 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
154 ~DTraceReturnProbeMark_##name() { \ | |
155 probe; \ | |
156 } \ | |
157 } \ | |
158 ) | |
159 // Void functions are simpler since there's no return value | |
160 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
161 DTRACE_ONLY( \ | |
162 class DTraceReturnProbeMark_##name { \ | |
163 public: \ | |
164 ~DTraceReturnProbeMark_##name() { \ | |
165 probe; \ | |
166 } \ | |
167 } \ | |
168 ) | |
169 #endif /* USDT2 */ | |
0 | 170 |
171 // Place these macros in the function to mark the return. Non-void | |
172 // functions need the type and address of the return value. | |
173 #define DT_RETURN_MARK(name, type, ref) \ | |
174 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
175 #define DT_VOID_RETURN_MARK(name) \ | |
176 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
177 | |
178 | |
179 // Use these to select distinct code for floating-point vs. non-floating point | |
180 // situations. Used from within common macros where we need slightly | |
181 // different behavior for Float/Double | |
182 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
183 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
184 #define FP_SELECT_Char(intcode, fpcode) intcode | |
185 #define FP_SELECT_Short(intcode, fpcode) intcode | |
186 #define FP_SELECT_Object(intcode, fpcode) intcode | |
187 #define FP_SELECT_Int(intcode, fpcode) intcode | |
188 #define FP_SELECT_Long(intcode, fpcode) intcode | |
189 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
190 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
191 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
192 FP_SELECT_##TypeName(intcode, fpcode) | |
193 | |
194 #define COMMA , | |
195 | |
196 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
197 // (dtrace doesn't do FP yet) | |
4006 | 198 #ifndef USDT2 |
0 | 199 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
200 FP_SELECT(TypeName, \ | |
201 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
4006 | 202 #else /* USDT2 */ |
203 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
204 FP_SELECT(TypeName, \ | |
205 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
206 #endif /* USDT2 */ | |
0 | 207 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
208 FP_SELECT(TypeName, \ | |
209 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
210 | |
211 | |
212 // out-of-line helpers for class jfieldIDWorkaround: | |
213 | |
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214 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
0 | 215 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
216 uintptr_t as_uint = (uintptr_t) id; | |
217 intptr_t offset = raw_instance_offset(id); | |
218 if (is_checked_jfieldID(id)) { | |
219 if (!klass_hash_ok(k, id)) { | |
220 return false; | |
221 } | |
222 } | |
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223 return InstanceKlass::cast(k)->contains_field_offset(offset); |
0 | 224 } else { |
225 JNIid* result = (JNIid*) id; | |
226 #ifdef ASSERT | |
227 return result != NULL && result->is_static_field_id(); | |
228 #else | |
229 return result != NULL; | |
230 #endif | |
231 } | |
232 } | |
233 | |
234 | |
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235 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
0 | 236 if (offset <= small_offset_mask) { |
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237 Klass* field_klass = k; |
6983 | 238 Klass* super_klass = field_klass->super(); |
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239 // With compressed oops the most super class with nonstatic fields would |
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240 // be the owner of fields embedded in the header. |
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241 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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242 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
0 | 243 field_klass = super_klass; // super contains the field also |
6983 | 244 super_klass = field_klass->super(); |
0 | 245 } |
246 debug_only(No_Safepoint_Verifier nosafepoint;) | |
247 uintptr_t klass_hash = field_klass->identity_hash(); | |
248 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
249 } else { | |
250 #if 0 | |
251 #ifndef PRODUCT | |
252 { | |
253 ResourceMark rm; | |
6983 | 254 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
0 | 255 } |
256 #endif | |
257 #endif | |
258 return 0; | |
259 } | |
260 } | |
261 | |
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262 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
0 | 263 uintptr_t as_uint = (uintptr_t) id; |
264 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
265 do { | |
266 debug_only(No_Safepoint_Verifier nosafepoint;) | |
267 // Could use a non-blocking query for identity_hash here... | |
268 if ((k->identity_hash() & klass_mask) == klass_hash) | |
269 return true; | |
6983 | 270 k = k->super(); |
0 | 271 } while (k != NULL); |
272 return false; | |
273 } | |
274 | |
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275 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
0 | 276 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
277 uintptr_t as_uint = (uintptr_t) id; | |
278 intptr_t offset = raw_instance_offset(id); | |
279 if (VerifyJNIFields) { | |
280 if (is_checked_jfieldID(id)) { | |
281 guarantee(klass_hash_ok(k, id), | |
282 "Bug in native code: jfieldID class must match object"); | |
283 } else { | |
284 #if 0 | |
285 #ifndef PRODUCT | |
286 if (Verbose) { | |
287 ResourceMark rm; | |
6983 | 288 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
0 | 289 } |
290 #endif | |
291 #endif | |
292 } | |
293 } | |
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294 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
0 | 295 "Bug in native code: jfieldID offset must address interior of object"); |
296 } | |
297 | |
298 // Pick a reasonable higher bound for local capacity requested | |
299 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
300 // high because a test (or very unusual application) may try to allocate | |
301 // that many handles and run out of swap space. An implementation is | |
302 // permitted to allocate more handles than the ensured capacity, so this | |
303 // value is set high enough to prevent compatibility problems. | |
304 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
305 | |
306 | |
307 // Wrapper to trace JNI functions | |
308 | |
309 #ifdef ASSERT | |
310 Histogram* JNIHistogram; | |
311 static volatile jint JNIHistogram_lock = 0; | |
312 | |
313 class JNITraceWrapper : public StackObj { | |
314 public: | |
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315 JNITraceWrapper(const char* format, ...) ATTRIBUTE_PRINTF(2, 3) { |
0 | 316 if (TraceJNICalls) { |
317 va_list ap; | |
318 va_start(ap, format); | |
319 tty->print("JNI "); | |
320 tty->vprint_cr(format, ap); | |
321 va_end(ap); | |
322 } | |
323 } | |
324 }; | |
325 | |
326 class JNIHistogramElement : public HistogramElement { | |
327 public: | |
328 JNIHistogramElement(const char* name); | |
329 }; | |
330 | |
331 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
332 _name = elementName; | |
333 uintx count = 0; | |
334 | |
335 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
336 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
337 count +=1; | |
338 if ( (WarnOnStalledSpinLock > 0) | |
339 && (count % WarnOnStalledSpinLock == 0)) { | |
340 warning("JNIHistogram_lock seems to be stalled"); | |
341 } | |
342 } | |
343 } | |
344 | |
345 | |
346 if(JNIHistogram == NULL) | |
347 JNIHistogram = new Histogram("JNI Call Counts",100); | |
348 | |
349 JNIHistogram->add_element(this); | |
350 Atomic::dec(&JNIHistogram_lock); | |
351 } | |
352 | |
353 #define JNICountWrapper(arg) \ | |
354 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
355 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
356 if (e != NULL) e->increment_count() | |
357 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
358 #else | |
359 #define JNIWrapper(arg) | |
360 #endif | |
361 | |
362 | |
363 // Implementation of JNI entries | |
364 | |
4006 | 365 #ifndef USDT2 |
0 | 366 DT_RETURN_MARK_DECL(DefineClass, jclass); |
4006 | 367 #else /* USDT2 */ |
368 DT_RETURN_MARK_DECL(DefineClass, jclass | |
369 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
370 #endif /* USDT2 */ | |
0 | 371 |
372 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
373 const jbyte *buf, jsize bufLen)) | |
374 JNIWrapper("DefineClass"); | |
375 | |
4006 | 376 #ifndef USDT2 |
0 | 377 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
378 env, name, loaderRef, buf, bufLen); | |
4006 | 379 #else /* USDT2 */ |
380 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
381 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
382 #endif /* USDT2 */ | |
0 | 383 jclass cls = NULL; |
384 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
385 | |
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386 TempNewSymbol class_name = NULL; |
0 | 387 // Since exceptions can be thrown, class initialization can take place |
388 // if name is NULL no check for class name in .class stream has to be made. | |
389 if (name != NULL) { | |
390 const int str_len = (int)strlen(name); | |
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391 if (str_len > Symbol::max_length()) { |
0 | 392 // It's impossible to create this class; the name cannot fit |
393 // into the constant pool. | |
394 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
395 } | |
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396 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 397 } |
398 ResourceMark rm(THREAD); | |
399 ClassFileStream st((u1*) buf, bufLen, NULL); | |
400 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
401 | |
402 if (UsePerfData && !class_loader.is_null()) { | |
403 // check whether the current caller thread holds the lock or not. | |
404 // If not, increment the corresponding counter | |
405 if (ObjectSynchronizer:: | |
406 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
407 ObjectSynchronizer::owner_self) { | |
408 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
409 } | |
410 } | |
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411 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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412 Handle(), &st, true, |
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413 CHECK_NULL); |
0 | 414 |
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415 if (TraceClassResolution && k != NULL) { |
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416 trace_class_resolution(k); |
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417 } |
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418 |
0 | 419 cls = (jclass)JNIHandles::make_local( |
6983 | 420 env, k->java_mirror()); |
0 | 421 return cls; |
422 JNI_END | |
423 | |
424 | |
425 | |
426 static bool first_time_FindClass = true; | |
427 | |
4006 | 428 #ifndef USDT2 |
0 | 429 DT_RETURN_MARK_DECL(FindClass, jclass); |
4006 | 430 #else /* USDT2 */ |
431 DT_RETURN_MARK_DECL(FindClass, jclass | |
432 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
433 #endif /* USDT2 */ | |
0 | 434 |
435 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
436 JNIWrapper("FindClass"); | |
4006 | 437 #ifndef USDT2 |
0 | 438 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
4006 | 439 #else /* USDT2 */ |
440 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
441 env, (char *)name); | |
442 #endif /* USDT2 */ | |
0 | 443 |
444 jclass result = NULL; | |
445 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
446 | |
447 // Remember if we are the first invocation of jni_FindClass | |
448 bool first_time = first_time_FindClass; | |
449 first_time_FindClass = false; | |
450 | |
451 // Sanity check the name: it cannot be null or larger than the maximum size | |
452 // name we can fit in the constant pool. | |
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453 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
0 | 454 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
455 } | |
456 | |
457 //%note jni_3 | |
458 Handle loader; | |
459 Handle protection_domain; | |
460 // Find calling class | |
461 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
462 if (k.not_null()) { | |
463 loader = Handle(THREAD, k->class_loader()); | |
464 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
465 // in the correct class context. | |
466 if (loader.is_null() && | |
467 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
468 JavaValue result(T_OBJECT); | |
469 JavaCalls::call_static(&result, k, | |
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470 vmSymbols::getFromClass_name(), |
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471 vmSymbols::void_class_signature(), |
0 | 472 thread); |
473 if (HAS_PENDING_EXCEPTION) { | |
474 Handle ex(thread, thread->pending_exception()); | |
475 CLEAR_PENDING_EXCEPTION; | |
476 THROW_HANDLE_0(ex); | |
477 } | |
478 oop mirror = (oop) result.get_jobject(); | |
479 loader = Handle(THREAD, | |
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480 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
0 | 481 protection_domain = Handle(THREAD, |
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482 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
0 | 483 } |
484 } else { | |
485 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
486 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
487 } | |
488 | |
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489 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 490 result = find_class_from_class_loader(env, sym, true, loader, |
491 protection_domain, true, thread); | |
492 | |
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493 if (TraceClassResolution && result != NULL) { |
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494 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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495 } |
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496 |
0 | 497 // If we were the first invocation of jni_FindClass, we enable compilation again |
498 // rather than just allowing invocation counter to overflow and decay. | |
499 // Controlled by flag DelayCompilationDuringStartup. | |
500 if (first_time && !CompileTheWorld) | |
501 CompilationPolicy::completed_vm_startup(); | |
502 | |
503 return result; | |
504 JNI_END | |
505 | |
4006 | 506 #ifndef USDT2 |
0 | 507 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
4006 | 508 #else /* USDT2 */ |
509 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
510 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
511 #endif /* USDT2 */ | |
0 | 512 |
513 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
514 JNIWrapper("FromReflectedMethod"); | |
4006 | 515 #ifndef USDT2 |
0 | 516 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
4006 | 517 #else /* USDT2 */ |
518 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
519 env, method); | |
520 #endif /* USDT2 */ | |
0 | 521 jmethodID ret = NULL; |
522 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
523 | |
524 // method is a handle to a java.lang.reflect.Method object | |
525 oop reflected = JNIHandles::resolve_non_null(method); | |
526 oop mirror = NULL; | |
527 int slot = 0; | |
528 | |
1142 | 529 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
0 | 530 mirror = java_lang_reflect_Constructor::clazz(reflected); |
531 slot = java_lang_reflect_Constructor::slot(reflected); | |
532 } else { | |
1142 | 533 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
0 | 534 mirror = java_lang_reflect_Method::clazz(reflected); |
535 slot = java_lang_reflect_Method::slot(reflected); | |
536 } | |
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537 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 538 |
539 KlassHandle k1(THREAD, k); | |
540 // Make sure class is initialized before handing id's out to methods | |
6983 | 541 k1()->initialize(CHECK_NULL); |
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542 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
0 | 543 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
544 return ret; | |
545 JNI_END | |
546 | |
4006 | 547 #ifndef USDT2 |
0 | 548 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
4006 | 549 #else /* USDT2 */ |
550 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
551 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
552 #endif /* USDT2 */ | |
0 | 553 |
554 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
555 JNIWrapper("FromReflectedField"); | |
4006 | 556 #ifndef USDT2 |
0 | 557 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
4006 | 558 #else /* USDT2 */ |
559 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
560 env, field); | |
561 #endif /* USDT2 */ | |
0 | 562 jfieldID ret = NULL; |
563 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
564 | |
565 // field is a handle to a java.lang.reflect.Field object | |
566 oop reflected = JNIHandles::resolve_non_null(field); | |
567 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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568 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 569 int slot = java_lang_reflect_Field::slot(reflected); |
570 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
571 | |
572 KlassHandle k1(THREAD, k); | |
573 // Make sure class is initialized before handing id's out to fields | |
6983 | 574 k1()->initialize(CHECK_NULL); |
0 | 575 |
576 // First check if this is a static field | |
577 if (modifiers & JVM_ACC_STATIC) { | |
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578 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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579 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
0 | 580 assert(id != NULL, "corrupt Field object"); |
581 debug_only(id->set_is_static_field_id();) | |
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582 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
0 | 583 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
584 return ret; | |
585 } | |
586 | |
587 // The slot is the index of the field description in the field-array | |
588 // The jfieldID is the offset of the field within the object | |
589 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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590 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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591 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
0 | 592 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
593 return ret; | |
594 JNI_END | |
595 | |
4006 | 596 #ifndef USDT2 |
0 | 597 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
4006 | 598 #else /* USDT2 */ |
599 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
600 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
601 #endif /* USDT2 */ | |
0 | 602 |
603 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
604 JNIWrapper("ToReflectedMethod"); | |
4006 | 605 #ifndef USDT2 |
0 | 606 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
4006 | 607 #else /* USDT2 */ |
608 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
609 env, cls, (uintptr_t) method_id, isStatic); | |
610 #endif /* USDT2 */ | |
0 | 611 jobject ret = NULL; |
612 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
613 | |
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614 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 615 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
616 oop reflection_method; | |
617 if (m->is_initializer()) { | |
618 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
619 } else { | |
620 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
621 } | |
622 ret = JNIHandles::make_local(env, reflection_method); | |
623 return ret; | |
624 JNI_END | |
625 | |
4006 | 626 #ifndef USDT2 |
0 | 627 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
4006 | 628 #else /* USDT2 */ |
629 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
630 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
631 #endif /* USDT2 */ | |
0 | 632 |
633 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
634 JNIWrapper("GetSuperclass"); | |
4006 | 635 #ifndef USDT2 |
0 | 636 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
4006 | 637 #else /* USDT2 */ |
638 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
639 env, sub); | |
640 #endif /* USDT2 */ | |
0 | 641 jclass obj = NULL; |
642 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
643 | |
644 oop mirror = JNIHandles::resolve_non_null(sub); | |
645 // primitive classes return NULL | |
646 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
647 | |
648 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
649 // arrays return Object | |
650 // interfaces return NULL | |
651 // proper classes return Klass::super() | |
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652 Klass* k = java_lang_Class::as_Klass(mirror); |
6983 | 653 if (k->is_interface()) return NULL; |
0 | 654 |
655 // return mirror for superclass | |
6983 | 656 Klass* super = k->java_super(); |
0 | 657 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
6983 | 658 debug_only(Klass* super2 = ( k->oop_is_array() |
1142 | 659 ? SystemDictionary::Object_klass() |
6983 | 660 : k->super() ) ); |
0 | 661 assert(super == super2, |
662 "java_super computation depends on interface, array, other super"); | |
6983 | 663 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
0 | 664 return obj; |
665 JNI_END | |
666 | |
667 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
668 JNIWrapper("IsSubclassOf"); | |
4006 | 669 #ifndef USDT2 |
0 | 670 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
4006 | 671 #else /* USDT2 */ |
672 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
673 env, sub, super); | |
674 #endif /* USDT2 */ | |
0 | 675 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
676 oop super_mirror = JNIHandles::resolve_non_null(super); | |
677 if (java_lang_Class::is_primitive(sub_mirror) || | |
678 java_lang_Class::is_primitive(super_mirror)) { | |
679 jboolean ret = (sub_mirror == super_mirror); | |
4006 | 680 #ifndef USDT2 |
0 | 681 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 682 #else /* USDT2 */ |
683 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
684 ret); | |
685 #endif /* USDT2 */ | |
0 | 686 return ret; |
687 } | |
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688 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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689 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
0 | 690 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
6983 | 691 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
0 | 692 JNI_TRUE : JNI_FALSE; |
4006 | 693 #ifndef USDT2 |
0 | 694 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 695 #else /* USDT2 */ |
696 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
697 ret); | |
698 #endif /* USDT2 */ | |
0 | 699 return ret; |
700 JNI_END | |
701 | |
4006 | 702 #ifndef USDT2 |
0 | 703 DT_RETURN_MARK_DECL(Throw, jint); |
4006 | 704 #else /* USDT2 */ |
705 DT_RETURN_MARK_DECL(Throw, jint | |
706 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
707 #endif /* USDT2 */ | |
0 | 708 |
709 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
710 JNIWrapper("Throw"); | |
4006 | 711 #ifndef USDT2 |
0 | 712 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
4006 | 713 #else /* USDT2 */ |
714 HOTSPOT_JNI_THROW_ENTRY( | |
715 env, obj); | |
716 #endif /* USDT2 */ | |
0 | 717 jint ret = JNI_OK; |
718 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
719 | |
720 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
721 ShouldNotReachHere(); | |
722 JNI_END | |
723 | |
4006 | 724 #ifndef USDT2 |
0 | 725 DT_RETURN_MARK_DECL(ThrowNew, jint); |
4006 | 726 #else /* USDT2 */ |
727 DT_RETURN_MARK_DECL(ThrowNew, jint | |
728 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
729 #endif /* USDT2 */ | |
0 | 730 |
731 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
732 JNIWrapper("ThrowNew"); | |
4006 | 733 #ifndef USDT2 |
0 | 734 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
4006 | 735 #else /* USDT2 */ |
736 HOTSPOT_JNI_THROWNEW_ENTRY( | |
737 env, clazz, (char *) message); | |
738 #endif /* USDT2 */ | |
0 | 739 jint ret = JNI_OK; |
740 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
741 | |
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742 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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743 Symbol* name = k->name(); |
0 | 744 Handle class_loader (THREAD, k->class_loader()); |
745 Handle protection_domain (THREAD, k->protection_domain()); | |
746 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
747 ShouldNotReachHere(); | |
748 JNI_END | |
749 | |
750 | |
751 // JNI functions only transform a pending async exception to a synchronous | |
752 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
753 // delivering an async exception in other places won't change the native | |
754 // code's control flow and would be harmful when native code further calls | |
755 // JNI functions with a pending exception. Async exception is also checked | |
756 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
757 // false but deliver the async exception at the very end during | |
758 // state transition. | |
759 | |
760 static void jni_check_async_exceptions(JavaThread *thread) { | |
761 assert(thread == Thread::current(), "must be itself"); | |
762 thread->check_and_handle_async_exceptions(); | |
763 } | |
764 | |
765 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
766 JNIWrapper("ExceptionOccurred"); | |
4006 | 767 #ifndef USDT2 |
0 | 768 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
4006 | 769 #else /* USDT2 */ |
770 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
771 env); | |
772 #endif /* USDT2 */ | |
0 | 773 jni_check_async_exceptions(thread); |
774 oop exception = thread->pending_exception(); | |
775 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
4006 | 776 #ifndef USDT2 |
0 | 777 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
4006 | 778 #else /* USDT2 */ |
779 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
780 ret); | |
781 #endif /* USDT2 */ | |
0 | 782 return ret; |
783 JNI_END | |
784 | |
785 | |
786 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
787 JNIWrapper("ExceptionDescribe"); | |
4006 | 788 #ifndef USDT2 |
0 | 789 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
4006 | 790 #else /* USDT2 */ |
791 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
792 env); | |
793 #endif /* USDT2 */ | |
0 | 794 if (thread->has_pending_exception()) { |
795 Handle ex(thread, thread->pending_exception()); | |
796 thread->clear_pending_exception(); | |
1142 | 797 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
0 | 798 // Don't print anything if we are being killed. |
799 } else { | |
800 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
801 if (thread != NULL && thread->threadObj() != NULL) { | |
802 ResourceMark rm(THREAD); | |
803 jio_fprintf(defaultStream::error_stream(), | |
804 "in thread \"%s\" ", thread->get_thread_name()); | |
805 } | |
1142 | 806 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
0 | 807 JavaValue result(T_VOID); |
808 JavaCalls::call_virtual(&result, | |
809 ex, | |
810 KlassHandle(THREAD, | |
1142 | 811 SystemDictionary::Throwable_klass()), |
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812 vmSymbols::printStackTrace_name(), |
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813 vmSymbols::void_method_signature(), |
0 | 814 THREAD); |
815 // If an exception is thrown in the call it gets thrown away. Not much | |
816 // we can do with it. The native code that calls this, does not check | |
817 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
818 // called, potentially causing a few asserts to trigger - since no pending exception | |
819 // is expected. | |
820 CLEAR_PENDING_EXCEPTION; | |
821 } else { | |
822 ResourceMark rm(THREAD); | |
823 jio_fprintf(defaultStream::error_stream(), | |
824 ". Uncaught exception of type %s.", | |
6983 | 825 ex->klass()->external_name()); |
0 | 826 } |
827 } | |
828 } | |
4006 | 829 #ifndef USDT2 |
0 | 830 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
4006 | 831 #else /* USDT2 */ |
832 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
833 ); | |
834 #endif /* USDT2 */ | |
0 | 835 JNI_END |
836 | |
837 | |
838 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
839 JNIWrapper("ExceptionClear"); | |
4006 | 840 #ifndef USDT2 |
0 | 841 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
4006 | 842 #else /* USDT2 */ |
843 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
844 env); | |
845 #endif /* USDT2 */ | |
0 | 846 |
847 // The jni code might be using this API to clear java thrown exception. | |
848 // So just mark jvmti thread exception state as exception caught. | |
849 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
850 if (state != NULL && state->is_exception_detected()) { | |
851 state->set_exception_caught(); | |
852 } | |
853 thread->clear_pending_exception(); | |
4006 | 854 #ifndef USDT2 |
0 | 855 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
4006 | 856 #else /* USDT2 */ |
857 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
858 ); | |
859 #endif /* USDT2 */ | |
0 | 860 JNI_END |
861 | |
862 | |
863 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
864 JNIWrapper("FatalError"); | |
4006 | 865 #ifndef USDT2 |
0 | 866 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
4006 | 867 #else /* USDT2 */ |
868 HOTSPOT_JNI_FATALERROR_ENTRY( | |
869 env, (char *) msg); | |
870 #endif /* USDT2 */ | |
0 | 871 tty->print_cr("FATAL ERROR in native method: %s", msg); |
872 thread->print_stack(); | |
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873 os::abort(); // Dump core and abort |
0 | 874 JNI_END |
875 | |
876 | |
877 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
878 JNIWrapper("PushLocalFrame"); | |
4006 | 879 #ifndef USDT2 |
0 | 880 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
4006 | 881 #else /* USDT2 */ |
882 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
883 env, capacity); | |
884 #endif /* USDT2 */ | |
0 | 885 //%note jni_11 |
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886 if (capacity < 0 || capacity > MAX_REASONABLE_LOCAL_CAPACITY) { |
4006 | 887 #ifndef USDT2 |
0 | 888 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
4006 | 889 #else /* USDT2 */ |
890 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
891 (uint32_t)JNI_ERR); | |
892 #endif /* USDT2 */ | |
0 | 893 return JNI_ERR; |
894 } | |
895 JNIHandleBlock* old_handles = thread->active_handles(); | |
896 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
897 assert(new_handles != NULL, "should not be NULL"); | |
898 new_handles->set_pop_frame_link(old_handles); | |
899 thread->set_active_handles(new_handles); | |
900 jint ret = JNI_OK; | |
4006 | 901 #ifndef USDT2 |
0 | 902 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
4006 | 903 #else /* USDT2 */ |
904 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
905 ret); | |
906 #endif /* USDT2 */ | |
0 | 907 return ret; |
908 JNI_END | |
909 | |
910 | |
911 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
912 JNIWrapper("PopLocalFrame"); | |
4006 | 913 #ifndef USDT2 |
0 | 914 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
4006 | 915 #else /* USDT2 */ |
916 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
917 env, result); | |
918 #endif /* USDT2 */ | |
0 | 919 //%note jni_11 |
920 Handle result_handle(thread, JNIHandles::resolve(result)); | |
921 JNIHandleBlock* old_handles = thread->active_handles(); | |
922 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
923 if (new_handles != NULL) { | |
924 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
925 // This way code will still work if PopLocalFrame is called without a corresponding | |
926 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
927 // the release_block call will release the blocks. | |
928 thread->set_active_handles(new_handles); | |
929 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
930 JNIHandleBlock::release_block(old_handles, thread); // may block | |
931 result = JNIHandles::make_local(thread, result_handle()); | |
932 } | |
4006 | 933 #ifndef USDT2 |
0 | 934 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
4006 | 935 #else /* USDT2 */ |
936 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
937 result); | |
938 #endif /* USDT2 */ | |
0 | 939 return result; |
940 JNI_END | |
941 | |
942 | |
943 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
944 JNIWrapper("NewGlobalRef"); | |
4006 | 945 #ifndef USDT2 |
0 | 946 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
4006 | 947 #else /* USDT2 */ |
948 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
949 env, ref); | |
950 #endif /* USDT2 */ | |
0 | 951 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
952 jobject ret = JNIHandles::make_global(ref_handle); | |
4006 | 953 #ifndef USDT2 |
0 | 954 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
4006 | 955 #else /* USDT2 */ |
956 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
957 ret); | |
958 #endif /* USDT2 */ | |
0 | 959 return ret; |
960 JNI_END | |
961 | |
962 // Must be JNI_ENTRY (with HandleMark) | |
963 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
964 JNIWrapper("DeleteGlobalRef"); | |
4006 | 965 #ifndef USDT2 |
0 | 966 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
4006 | 967 #else /* USDT2 */ |
968 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
969 env, ref); | |
970 #endif /* USDT2 */ | |
0 | 971 JNIHandles::destroy_global(ref); |
4006 | 972 #ifndef USDT2 |
0 | 973 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
4006 | 974 #else /* USDT2 */ |
975 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
976 ); | |
977 #endif /* USDT2 */ | |
0 | 978 JNI_END |
979 | |
980 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
981 JNIWrapper("DeleteLocalRef"); | |
4006 | 982 #ifndef USDT2 |
0 | 983 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
4006 | 984 #else /* USDT2 */ |
985 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
986 env, obj); | |
987 #endif /* USDT2 */ | |
0 | 988 JNIHandles::destroy_local(obj); |
4006 | 989 #ifndef USDT2 |
0 | 990 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
4006 | 991 #else /* USDT2 */ |
992 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
993 ); | |
994 #endif /* USDT2 */ | |
0 | 995 JNI_END |
996 | |
997 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
998 JNIWrapper("IsSameObject"); | |
4006 | 999 #ifndef USDT2 |
0 | 1000 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
4006 | 1001 #else /* USDT2 */ |
1002 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
1003 env, r1, r2); | |
1004 #endif /* USDT2 */ | |
0 | 1005 oop a = JNIHandles::resolve(r1); |
1006 oop b = JNIHandles::resolve(r2); | |
1007 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
4006 | 1008 #ifndef USDT2 |
0 | 1009 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
4006 | 1010 #else /* USDT2 */ |
1011 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
1012 ret); | |
1013 #endif /* USDT2 */ | |
0 | 1014 return ret; |
1015 JNI_END | |
1016 | |
1017 | |
1018 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
1019 JNIWrapper("NewLocalRef"); | |
4006 | 1020 #ifndef USDT2 |
0 | 1021 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
4006 | 1022 #else /* USDT2 */ |
1023 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
1024 env, ref); | |
1025 #endif /* USDT2 */ | |
0 | 1026 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
4006 | 1027 #ifndef USDT2 |
0 | 1028 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
4006 | 1029 #else /* USDT2 */ |
1030 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
1031 ret); | |
1032 #endif /* USDT2 */ | |
0 | 1033 return ret; |
1034 JNI_END | |
1035 | |
1036 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
1037 JNIWrapper("EnsureLocalCapacity"); | |
4006 | 1038 #ifndef USDT2 |
0 | 1039 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
4006 | 1040 #else /* USDT2 */ |
1041 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
1042 env, capacity); | |
1043 #endif /* USDT2 */ | |
0 | 1044 jint ret; |
1045 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
1046 ret = JNI_OK; | |
1047 } else { | |
1048 ret = JNI_ERR; | |
1049 } | |
4006 | 1050 #ifndef USDT2 |
0 | 1051 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
4006 | 1052 #else /* USDT2 */ |
1053 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
1054 ret); | |
1055 #endif /* USDT2 */ | |
0 | 1056 return ret; |
1057 JNI_END | |
1058 | |
1059 // Return the Handle Type | |
1060 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
1061 JNIWrapper("GetObjectRefType"); | |
4006 | 1062 #ifndef USDT2 |
0 | 1063 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
4006 | 1064 #else /* USDT2 */ |
1065 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
1066 env, obj); | |
1067 #endif /* USDT2 */ | |
0 | 1068 jobjectRefType ret; |
1069 if (JNIHandles::is_local_handle(thread, obj) || | |
1070 JNIHandles::is_frame_handle(thread, obj)) | |
1071 ret = JNILocalRefType; | |
1072 else if (JNIHandles::is_global_handle(obj)) | |
1073 ret = JNIGlobalRefType; | |
1074 else if (JNIHandles::is_weak_global_handle(obj)) | |
1075 ret = JNIWeakGlobalRefType; | |
1076 else | |
1077 ret = JNIInvalidRefType; | |
4006 | 1078 #ifndef USDT2 |
0 | 1079 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
4006 | 1080 #else /* USDT2 */ |
1081 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
1082 (void *) ret); | |
1083 #endif /* USDT2 */ | |
0 | 1084 return ret; |
1085 JNI_END | |
1086 | |
1087 | |
1088 class JNI_ArgumentPusher : public SignatureIterator { | |
1089 protected: | |
1090 JavaCallArguments* _arguments; | |
1091 | |
1092 virtual void get_bool () = 0; | |
1093 virtual void get_char () = 0; | |
1094 virtual void get_short () = 0; | |
1095 virtual void get_byte () = 0; | |
1096 virtual void get_int () = 0; | |
1097 virtual void get_long () = 0; | |
1098 virtual void get_float () = 0; | |
1099 virtual void get_double () = 0; | |
1100 virtual void get_object () = 0; | |
1101 | |
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1102 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
0 | 1103 this->_return_type = T_ILLEGAL; |
1104 _arguments = NULL; | |
1105 } | |
1106 | |
1107 public: | |
1108 virtual void iterate( uint64_t fingerprint ) = 0; | |
1109 | |
1110 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
1111 | |
1112 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
1113 inline void do_char() { if (!is_return_type()) get_char(); } | |
1114 inline void do_short() { if (!is_return_type()) get_short(); } | |
1115 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
1116 inline void do_int() { if (!is_return_type()) get_int(); } | |
1117 inline void do_long() { if (!is_return_type()) get_long(); } | |
1118 inline void do_float() { if (!is_return_type()) get_float(); } | |
1119 inline void do_double() { if (!is_return_type()) get_double(); } | |
1120 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
1121 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
1122 inline void do_void() { } | |
1123 | |
1124 JavaCallArguments* arguments() { return _arguments; } | |
1125 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
1126 }; | |
1127 | |
1128 | |
1129 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
1130 protected: | |
1131 va_list _ap; | |
1132 | |
1133 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
1134 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
1135 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
1136 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
1137 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
1138 | |
1139 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
1140 | |
1141 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
1142 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
1143 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
1144 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
1145 _arguments->push_oop(Handle((oop *)l, false)); } | |
1146 | |
1147 inline void set_ap(va_list rap) { | |
1148 #ifdef va_copy | |
1149 va_copy(_ap, rap); | |
1150 #elif defined (__va_copy) | |
1151 __va_copy(_ap, rap); | |
1152 #else | |
1153 _ap = rap; | |
1154 #endif | |
1155 } | |
1156 | |
1157 public: | |
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1158 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1159 : JNI_ArgumentPusher(signature) { |
0 | 1160 set_ap(rap); |
1161 } | |
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1162 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1163 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 1164 set_ap(rap); |
1165 } | |
1166 | |
1167 // Optimized path if we have the bitvector form of signature | |
1168 void iterate( uint64_t fingerprint ) { | |
1169 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
1170 else { | |
1171 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1172 result_feature_mask); | |
1173 | |
1174 assert(fingerprint, "Fingerprint should not be 0"); | |
1175 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1176 while ( 1 ) { | |
1177 switch ( fingerprint & parameter_feature_mask ) { | |
1178 case bool_parm: | |
1179 case char_parm: | |
1180 case short_parm: | |
1181 case byte_parm: | |
1182 case int_parm: | |
1183 get_int(); | |
1184 break; | |
1185 case obj_parm: | |
1186 get_object(); | |
1187 break; | |
1188 case long_parm: | |
1189 get_long(); | |
1190 break; | |
1191 case float_parm: | |
1192 get_float(); | |
1193 break; | |
1194 case double_parm: | |
1195 get_double(); | |
1196 break; | |
1197 case done_parm: | |
1198 return; | |
1199 break; | |
1200 default: | |
1201 ShouldNotReachHere(); | |
1202 break; | |
1203 } | |
1204 fingerprint >>= parameter_feature_size; | |
1205 } | |
1206 } | |
1207 } | |
1208 }; | |
1209 | |
1210 | |
1211 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
1212 protected: | |
1213 const jvalue *_ap; | |
1214 | |
1215 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
1216 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
1217 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
1218 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
1219 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
1220 | |
1221 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
1222 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
1223 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
1224 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
1225 | |
1226 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
1227 | |
1228 public: | |
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1229 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1230 : JNI_ArgumentPusher(signature) { |
0 | 1231 set_ap(rap); |
1232 } | |
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1233 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1234 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 1235 set_ap(rap); |
1236 } | |
1237 | |
1238 // Optimized path if we have the bitvector form of signature | |
1239 void iterate( uint64_t fingerprint ) { | |
1240 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
1241 else { | |
1242 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1243 result_feature_mask); | |
1244 assert(fingerprint, "Fingerprint should not be 0"); | |
1245 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1246 while ( 1 ) { | |
1247 switch ( fingerprint & parameter_feature_mask ) { | |
1248 case bool_parm: | |
1249 get_bool(); | |
1250 break; | |
1251 case char_parm: | |
1252 get_char(); | |
1253 break; | |
1254 case short_parm: | |
1255 get_short(); | |
1256 break; | |
1257 case byte_parm: | |
1258 get_byte(); | |
1259 break; | |
1260 case int_parm: | |
1261 get_int(); | |
1262 break; | |
1263 case obj_parm: | |
1264 get_object(); | |
1265 break; | |
1266 case long_parm: | |
1267 get_long(); | |
1268 break; | |
1269 case float_parm: | |
1270 get_float(); | |
1271 break; | |
1272 case double_parm: | |
1273 get_double(); | |
1274 break; | |
1275 case done_parm: | |
1276 return; | |
1277 break; | |
1278 default: | |
1279 ShouldNotReachHere(); | |
1280 break; | |
1281 } | |
1282 fingerprint >>= parameter_feature_size; | |
1283 } | |
1284 } | |
1285 } | |
1286 }; | |
1287 | |
1288 | |
1289 enum JNICallType { | |
1290 JNI_STATIC, | |
1291 JNI_VIRTUAL, | |
1292 JNI_NONVIRTUAL | |
1293 }; | |
1294 | |
1295 | |
1296 | |
1297 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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1298 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 1299 |
1300 // Create object to hold arguments for the JavaCall, and associate it with | |
1301 // the jni parser | |
1302 ResourceMark rm(THREAD); | |
1303 int number_of_parameters = method->size_of_parameters(); | |
1304 JavaCallArguments java_args(number_of_parameters); | |
1305 args->set_java_argument_object(&java_args); | |
1306 | |
1307 assert(method->is_static(), "method should be static"); | |
1308 | |
1309 // Fill out JavaCallArguments object | |
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1310 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1311 // Initialize result type |
1312 result->set_type(args->get_ret_type()); | |
1313 | |
1314 // Invoke the method. Result is returned as oop. | |
1315 JavaCalls::call(result, method, &java_args, CHECK); | |
1316 | |
1317 // Convert result | |
1318 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1319 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1320 } | |
1321 } | |
1322 | |
1323 | |
1324 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1325 oop recv = JNIHandles::resolve(receiver); | |
1326 if (recv == NULL) { | |
1327 THROW(vmSymbols::java_lang_NullPointerException()); | |
1328 } | |
1329 Handle h_recv(THREAD, recv); | |
1330 | |
1331 int number_of_parameters; | |
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1332 Method* selected_method; |
0 | 1333 { |
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1334 Method* m = Method::resolve_jmethod_id(method_id); |
0 | 1335 number_of_parameters = m->size_of_parameters(); |
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1336 Klass* holder = m->method_holder(); |
6983 | 1337 if (!(holder)->is_interface()) { |
0 | 1338 // non-interface call -- for that little speed boost, don't handlize |
1339 debug_only(No_Safepoint_Verifier nosafepoint;) | |
1340 if (call_type == JNI_VIRTUAL) { | |
1341 // jni_GetMethodID makes sure class is linked and initialized | |
1342 // so m should have a valid vtable index. | |
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1343 assert(!m->has_itable_index(), ""); |
0 | 1344 int vtbl_index = m->vtable_index(); |
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1345 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1346 Klass* k = h_recv->klass(); |
0 | 1347 // k might be an arrayKlassOop but all vtables start at |
1348 // the same place. The cast is to avoid virtual call and assertion. | |
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1349 InstanceKlass *ik = (InstanceKlass*)k; |
0 | 1350 selected_method = ik->method_at_vtable(vtbl_index); |
1351 } else { | |
1352 // final method | |
1353 selected_method = m; | |
1354 } | |
1355 } else { | |
1356 // JNI_NONVIRTUAL call | |
1357 selected_method = m; | |
1358 } | |
1359 } else { | |
1360 // interface call | |
1361 KlassHandle h_holder(THREAD, holder); | |
1362 | |
17685 | 1363 if (call_type == JNI_VIRTUAL) { |
1364 int itbl_index = m->itable_index(); | |
1365 Klass* k = h_recv->klass(); | |
1366 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
1367 } else { | |
1368 selected_method = m; | |
1369 } | |
0 | 1370 } |
1371 } | |
1372 | |
1373 methodHandle method(THREAD, selected_method); | |
1374 | |
1375 // Create object to hold arguments for the JavaCall, and associate it with | |
1376 // the jni parser | |
1377 ResourceMark rm(THREAD); | |
1378 JavaCallArguments java_args(number_of_parameters); | |
1379 args->set_java_argument_object(&java_args); | |
1380 | |
1381 // handle arguments | |
1382 assert(!method->is_static(), "method should not be static"); | |
1383 args->push_receiver(h_recv); // Push jobject handle | |
1384 | |
1385 // Fill out JavaCallArguments object | |
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1386 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1387 // Initialize result type |
1388 result->set_type(args->get_ret_type()); | |
1389 | |
1390 // Invoke the method. Result is returned as oop. | |
1391 JavaCalls::call(result, method, &java_args, CHECK); | |
1392 | |
1393 // Convert result | |
1394 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1395 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1396 } | |
1397 } | |
1398 | |
1399 | |
1400 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1401 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
6983 | 1402 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1403 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1404 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
0 | 1405 return ih; |
1406 } | |
1407 | |
4006 | 1408 #ifndef USDT2 |
0 | 1409 DT_RETURN_MARK_DECL(AllocObject, jobject); |
4006 | 1410 #else /* USDT2 */ |
1411 DT_RETURN_MARK_DECL(AllocObject, jobject | |
1412 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
1413 #endif /* USDT2 */ | |
0 | 1414 |
1415 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
1416 JNIWrapper("AllocObject"); | |
1417 | |
4006 | 1418 #ifndef USDT2 |
0 | 1419 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
4006 | 1420 #else /* USDT2 */ |
1421 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
1422 env, clazz); | |
1423 #endif /* USDT2 */ | |
0 | 1424 jobject ret = NULL; |
1425 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
1426 | |
1427 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1428 ret = JNIHandles::make_local(env, i); | |
1429 return ret; | |
1430 JNI_END | |
1431 | |
4006 | 1432 #ifndef USDT2 |
0 | 1433 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
4006 | 1434 #else /* USDT2 */ |
1435 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
1436 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
1437 #endif /* USDT2 */ | |
0 | 1438 |
1439 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
1440 JNIWrapper("NewObjectA"); | |
4006 | 1441 #ifndef USDT2 |
0 | 1442 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
4006 | 1443 #else /* USDT2 */ |
1444 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
1445 env, clazz, (uintptr_t) methodID); | |
1446 #endif /* USDT2 */ | |
0 | 1447 jobject obj = NULL; |
1448 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
1449 | |
1450 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1451 obj = JNIHandles::make_local(env, i); | |
1452 JavaValue jvalue(T_VOID); | |
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1453 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1454 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1455 return obj; | |
1456 JNI_END | |
1457 | |
4006 | 1458 #ifndef USDT2 |
0 | 1459 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
4006 | 1460 #else /* USDT2 */ |
1461 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
1462 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
1463 #endif /* USDT2 */ | |
0 | 1464 |
1465 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
1466 JNIWrapper("NewObjectV"); | |
4006 | 1467 #ifndef USDT2 |
0 | 1468 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
4006 | 1469 #else /* USDT2 */ |
1470 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
1471 env, clazz, (uintptr_t) methodID); | |
1472 #endif /* USDT2 */ | |
0 | 1473 jobject obj = NULL; |
1474 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
1475 | |
1476 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1477 obj = JNIHandles::make_local(env, i); | |
1478 JavaValue jvalue(T_VOID); | |
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1479 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1480 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1481 return obj; | |
1482 JNI_END | |
1483 | |
4006 | 1484 #ifndef USDT2 |
0 | 1485 DT_RETURN_MARK_DECL(NewObject, jobject); |
4006 | 1486 #else /* USDT2 */ |
1487 DT_RETURN_MARK_DECL(NewObject, jobject | |
1488 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
1489 #endif /* USDT2 */ | |
0 | 1490 |
1491 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
1492 JNIWrapper("NewObject"); | |
4006 | 1493 #ifndef USDT2 |
0 | 1494 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
4006 | 1495 #else /* USDT2 */ |
1496 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
1497 env, clazz, (uintptr_t) methodID); | |
1498 #endif /* USDT2 */ | |
0 | 1499 jobject obj = NULL; |
1500 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
1501 | |
1502 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1503 obj = JNIHandles::make_local(env, i); | |
1504 va_list args; | |
1505 va_start(args, methodID); | |
1506 JavaValue jvalue(T_VOID); | |
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1507 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1508 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1509 va_end(args); | |
1510 return obj; | |
1511 JNI_END | |
1512 | |
1513 | |
1514 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
1515 JNIWrapper("GetObjectClass"); | |
4006 | 1516 #ifndef USDT2 |
0 | 1517 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
4006 | 1518 #else /* USDT2 */ |
1519 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
1520 env, obj); | |
1521 #endif /* USDT2 */ | |
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1522 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
0 | 1523 jclass ret = |
6983 | 1524 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
4006 | 1525 #ifndef USDT2 |
0 | 1526 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
4006 | 1527 #else /* USDT2 */ |
1528 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
1529 ret); | |
1530 #endif /* USDT2 */ | |
0 | 1531 return ret; |
1532 JNI_END | |
1533 | |
1534 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
1535 JNIWrapper("IsInstanceOf"); | |
4006 | 1536 #ifndef USDT2 |
0 | 1537 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
4006 | 1538 #else /* USDT2 */ |
1539 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
1540 env, obj, clazz); | |
1541 #endif /* USDT2 */ | |
0 | 1542 jboolean ret = JNI_TRUE; |
1543 if (obj != NULL) { | |
1544 ret = JNI_FALSE; | |
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1545 Klass* k = java_lang_Class::as_Klass( |
0 | 1546 JNIHandles::resolve_non_null(clazz)); |
1547 if (k != NULL) { | |
1548 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
1549 } | |
1550 } | |
4006 | 1551 #ifndef USDT2 |
0 | 1552 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
4006 | 1553 #else /* USDT2 */ |
1554 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
1555 ret); | |
1556 #endif /* USDT2 */ | |
0 | 1557 return ret; |
1558 JNI_END | |
1559 | |
1560 | |
1561 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
1562 const char *sig, bool is_static, TRAPS) { | |
1563 // %%%% This code should probably just call into a method in the LinkResolver | |
1564 // | |
1565 // The class should have been loaded (we have an instance of the class | |
1566 // passed in) so the method and signature should already be in the symbol | |
1567 // table. If they're not there, the method doesn't exist. | |
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1568 const char *name_to_probe = (name_str == NULL) |
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1569 ? vmSymbols::object_initializer_name()->as_C_string() |
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1570 : name_str; |
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1571 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1572 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1573 |
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1574 if (name == NULL || signature == NULL) { |
0 | 1575 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
1576 } | |
1577 | |
1578 // Throw a NoSuchMethodError exception if we have an instance of a | |
1579 // primitive java.lang.Class | |
1580 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
1581 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1582 } | |
1583 | |
1584 KlassHandle klass(THREAD, | |
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1585 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 1586 |
1587 // Make sure class is linked and initialized before handing id's out to | |
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1588 // Method*s. |
6983 | 1589 klass()->initialize(CHECK_NULL); |
0 | 1590 |
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1591 Method* m; |
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1592 if (name == vmSymbols::object_initializer_name() || |
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1593 name == vmSymbols::class_initializer_name()) { |
0 | 1594 // Never search superclasses for constructors |
1595 if (klass->oop_is_instance()) { | |
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1596 m = InstanceKlass::cast(klass())->find_method(name, signature); |
0 | 1597 } else { |
1598 m = NULL; | |
1599 } | |
1600 } else { | |
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1601 m = klass->lookup_method(name, signature); |
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1602 if (m == NULL && klass->oop_is_instance()) { |
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1603 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
0 | 1604 } |
1605 } | |
1606 if (m == NULL || (m->is_static() != is_static)) { | |
1607 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1608 } | |
1609 return m->jmethod_id(); | |
1610 } | |
1611 | |
1612 | |
1613 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
1614 const char *name, const char *sig)) | |
1615 JNIWrapper("GetMethodID"); | |
4006 | 1616 #ifndef USDT2 |
0 | 1617 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
4006 | 1618 #else /* USDT2 */ |
1619 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
1620 env, clazz, (char *) name, (char *) sig); | |
1621 #endif /* USDT2 */ | |
0 | 1622 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
4006 | 1623 #ifndef USDT2 |
0 | 1624 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
4006 | 1625 #else /* USDT2 */ |
1626 HOTSPOT_JNI_GETMETHODID_RETURN( | |
1627 (uintptr_t) ret); | |
1628 #endif /* USDT2 */ | |
0 | 1629 return ret; |
1630 JNI_END | |
1631 | |
1632 | |
1633 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
1634 const char *name, const char *sig)) | |
1635 JNIWrapper("GetStaticMethodID"); | |
4006 | 1636 #ifndef USDT2 |
0 | 1637 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
4006 | 1638 #else /* USDT2 */ |
1639 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
1640 env, (char *) clazz, (char *) name, (char *)sig); | |
1641 #endif /* USDT2 */ | |
0 | 1642 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
4006 | 1643 #ifndef USDT2 |
0 | 1644 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
4006 | 1645 #else /* USDT2 */ |
1646 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
1647 (uintptr_t) ret); | |
1648 #endif /* USDT2 */ | |
0 | 1649 return ret; |
1650 JNI_END | |
1651 | |
1652 | |
1653 | |
1654 // | |
1655 // Calling Methods | |
1656 // | |
1657 | |
4006 | 1658 #ifndef USDT2 |
0 | 1659 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
1660 \ | |
1661 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
1662 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
1663 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
1664 \ | |
1665 JNI_ENTRY(ResultType, \ | |
1666 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1667 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1668 \ | |
4006 | 1669 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
0 | 1670 ResultType ret = 0;\ |
1671 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1672 (const ResultType&)ret);\ | |
1673 \ | |
1674 va_list args; \ | |
1675 va_start(args, methodID); \ | |
1676 JavaValue jvalue(Tag); \ | |
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1677 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1678 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1679 va_end(args); \ | |
1680 ret = jvalue.get_##ResultType(); \ | |
1681 return ret;\ | |
1682 JNI_END \ | |
1683 \ | |
1684 \ | |
1685 JNI_ENTRY(ResultType, \ | |
1686 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1687 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1688 \ | |
4006 | 1689 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
0 | 1690 ResultType ret = 0;\ |
1691 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1692 (const ResultType&)ret);\ | |
1693 \ | |
1694 JavaValue jvalue(Tag); \ | |
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1695 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1696 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1697 ret = jvalue.get_##ResultType(); \ | |
1698 return ret;\ | |
1699 JNI_END \ | |
1700 \ | |
1701 \ | |
1702 JNI_ENTRY(ResultType, \ | |
1703 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1704 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
4006 | 1705 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
0 | 1706 ResultType ret = 0;\ |
1707 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1708 (const ResultType&)ret);\ | |
1709 \ | |
1710 JavaValue jvalue(Tag); \ | |
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1711 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 1712 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1713 ret = jvalue.get_##ResultType(); \ | |
1714 return ret;\ | |
1715 JNI_END | |
1716 | |
1717 // the runtime type of subword integral basic types is integer | |
1718 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
1719 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
1720 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
1721 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
1722 | |
1723 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
1724 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
1725 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
1726 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
1727 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
1728 | |
1729 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
1730 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
1731 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
1732 | |
4006 | 1733 #else /* USDT2 */ |
1734 | |
1735 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
1736 , EntryProbe, ReturnProbe) \ | |
1737 \ | |
1738 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
1739 , ReturnProbe); \ | |
1740 \ | |
1741 JNI_ENTRY(ResultType, \ | |
1742 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1743 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1744 \ | |
1745 EntryProbe; \ | |
1746 ResultType ret = 0;\ | |
1747 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1748 (const ResultType&)ret);\ | |
1749 \ | |
1750 va_list args; \ | |
1751 va_start(args, methodID); \ | |
1752 JavaValue jvalue(Tag); \ | |
1753 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1754 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1755 va_end(args); \ | |
1756 ret = jvalue.get_##ResultType(); \ | |
1757 return ret;\ | |
1758 JNI_END | |
1759 | |
1760 // the runtime type of subword integral basic types is integer | |
1761 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
1762 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1763 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1764 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
1765 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1766 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1767 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
1768 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1769 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1770 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
1771 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1772 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1773 | |
1774 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
1775 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1776 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1777 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
1778 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1779 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1780 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
1781 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1782 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1783 // Float and double probes don't return value because dtrace doesn't currently support it | |
1784 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
1785 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1786 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1787 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
1788 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1789 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1790 | |
1791 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
1792 , EntryProbe, ReturnProbe) \ | |
1793 \ | |
1794 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
1795 , ReturnProbe); \ | |
1796 \ | |
1797 JNI_ENTRY(ResultType, \ | |
1798 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1799 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1800 \ | |
1801 EntryProbe;\ | |
1802 ResultType ret = 0;\ | |
1803 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1804 (const ResultType&)ret);\ | |
1805 \ | |
1806 JavaValue jvalue(Tag); \ | |
1807 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1808 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1809 ret = jvalue.get_##ResultType(); \ | |
1810 return ret;\ | |
1811 JNI_END | |
1812 | |
1813 // the runtime type of subword integral basic types is integer | |
1814 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
1815 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1816 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1817 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
1818 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1819 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1820 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
1821 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1822 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1823 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
1824 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1825 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1826 | |
1827 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
1828 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1829 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1830 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
1831 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1832 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1833 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
1834 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1835 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1836 // Float and double probes don't return value because dtrace doesn't currently support it | |
1837 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
1838 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1839 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1840 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
1841 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1842 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1843 | |
1844 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
1845 , EntryProbe, ReturnProbe) \ | |
1846 \ | |
1847 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
1848 , ReturnProbe); \ | |
1849 \ | |
1850 JNI_ENTRY(ResultType, \ | |
1851 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1852 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
1853 EntryProbe; \ | |
1854 ResultType ret = 0;\ | |
1855 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1856 (const ResultType&)ret);\ | |
1857 \ | |
1858 JavaValue jvalue(Tag); \ | |
1859 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1860 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1861 ret = jvalue.get_##ResultType(); \ | |
1862 return ret;\ | |
1863 JNI_END | |
1864 | |
1865 // the runtime type of subword integral basic types is integer | |
1866 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
1867 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1868 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1869 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
1870 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1871 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1872 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
1873 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1874 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1875 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
1876 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1877 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1878 | |
1879 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
1880 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1881 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1882 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
1883 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1884 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1885 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
1886 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1887 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1888 // Float and double probes don't return value because dtrace doesn't currently support it | |
1889 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
1890 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1891 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1892 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
1893 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1894 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1895 | |
1896 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
1897 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
1898 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
1899 | |
1900 #endif /* USDT2 */ | |
1901 | |
0 | 1902 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
1903 JNIWrapper("CallVoidMethod"); | |
4006 | 1904 #ifndef USDT2 |
0 | 1905 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
4006 | 1906 #else /* USDT2 */ |
1907 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
1908 env, obj, (uintptr_t) methodID); | |
1909 #endif /* USDT2 */ | |
0 | 1910 DT_VOID_RETURN_MARK(CallVoidMethod); |
1911 | |
1912 va_list args; | |
1913 va_start(args, methodID); | |
1914 JavaValue jvalue(T_VOID); | |
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1915 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1916 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1917 va_end(args); | |
1918 JNI_END | |
1919 | |
1920 | |
1921 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
1922 JNIWrapper("CallVoidMethodV"); | |
4006 | 1923 #ifndef USDT2 |
0 | 1924 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
4006 | 1925 #else /* USDT2 */ |
1926 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
1927 env, obj, (uintptr_t) methodID); | |
1928 #endif /* USDT2 */ | |
0 | 1929 DT_VOID_RETURN_MARK(CallVoidMethodV); |
1930 | |
1931 JavaValue jvalue(T_VOID); | |
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1932 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1933 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1934 JNI_END | |
1935 | |
1936 | |
1937 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
1938 JNIWrapper("CallVoidMethodA"); | |
4006 | 1939 #ifndef USDT2 |
0 | 1940 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
4006 | 1941 #else /* USDT2 */ |
1942 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
1943 env, obj, (uintptr_t) methodID); | |
1944 #endif /* USDT2 */ | |
0 | 1945 DT_VOID_RETURN_MARK(CallVoidMethodA); |
1946 | |
1947 JavaValue jvalue(T_VOID); | |
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1948 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1949 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1950 JNI_END | |
1951 | |
1952 | |
4006 | 1953 #ifndef USDT2 |
0 | 1954 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
1955 \ | |
1956 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
1957 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
1958 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
1959 \ | |
1960 JNI_ENTRY(ResultType, \ | |
1961 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
1962 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
1963 \ | |
1964 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
1965 ResultType ret;\ | |
1966 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
1967 (const ResultType&)ret);\ | |
1968 \ | |
1969 va_list args; \ | |
1970 va_start(args, methodID); \ | |
1971 JavaValue jvalue(Tag); \ | |
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1972 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1973 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1974 va_end(args); \ | |
1975 ret = jvalue.get_##ResultType(); \ | |
1976 return ret;\ | |
1977 JNI_END \ | |
1978 \ | |
1979 JNI_ENTRY(ResultType, \ | |
1980 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
1981 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
1982 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
1983 ResultType ret;\ | |
1984 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
1985 (const ResultType&)ret);\ | |
1986 \ | |
1987 JavaValue jvalue(Tag); \ | |
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1988 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1989 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1990 ret = jvalue.get_##ResultType(); \ | |
1991 return ret;\ | |
1992 JNI_END \ | |
1993 \ | |
1994 JNI_ENTRY(ResultType, \ | |
1995 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
1996 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
1997 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
1998 ResultType ret;\ | |
1999 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2000 (const ResultType&)ret);\ | |
2001 \ | |
2002 JavaValue jvalue(Tag); \ | |
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2003 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2004 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2005 ret = jvalue.get_##ResultType(); \ | |
2006 return ret;\ | |
2007 JNI_END | |
2008 | |
2009 // the runtime type of subword integral basic types is integer | |
2010 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2011 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
2012 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
2013 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
2014 | |
2015 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
2016 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
2017 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
2018 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
2019 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
2020 | |
2021 | |
2022 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
2023 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
2024 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
2025 | |
4006 | 2026 #else /* USDT2 */ |
2027 | |
2028 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
2029 , EntryProbe, ReturnProbe) \ | |
2030 \ | |
2031 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
2032 , ReturnProbe);\ | |
2033 \ | |
2034 JNI_ENTRY(ResultType, \ | |
2035 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
2036 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
2037 \ | |
2038 EntryProbe;\ | |
2039 ResultType ret;\ | |
2040 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
2041 (const ResultType&)ret);\ | |
2042 \ | |
2043 va_list args; \ | |
2044 va_start(args, methodID); \ | |
2045 JavaValue jvalue(Tag); \ | |
2046 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2047 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2048 va_end(args); \ | |
2049 ret = jvalue.get_##ResultType(); \ | |
2050 return ret;\ | |
2051 JNI_END | |
2052 | |
2053 // the runtime type of subword integral basic types is integer | |
2054 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
2055 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2056 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
2057 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
2058 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2059 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
2060 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
2061 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2062 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
2063 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
2064 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2065 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
2066 | |
2067 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
2068 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2069 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
2070 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
2071 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2072 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
2073 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
2074 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2075 // Float and double probes don't return value because dtrace doesn't currently support it | |
2076 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
2077 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
2078 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2079 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
2080 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
2081 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2082 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
2083 | |
2084 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
2085 , EntryProbe, ReturnProbe) \ | |
2086 \ | |
2087 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
2088 , ReturnProbe);\ | |
2089 \ | |
2090 JNI_ENTRY(ResultType, \ | |
2091 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2092 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
2093 \ | |
2094 EntryProbe;\ | |
2095 ResultType ret;\ | |
2096 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2097 (const ResultType&)ret);\ | |
2098 \ | |
2099 JavaValue jvalue(Tag); \ | |
2100 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2101 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2102 ret = jvalue.get_##ResultType(); \ | |
2103 return ret;\ | |
2104 JNI_END | |
2105 | |
2106 // the runtime type of subword integral basic types is integer | |
2107 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
2108 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2109 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
2110 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
2111 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2112 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
2113 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
2114 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2115 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
2116 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
2117 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2118 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
2119 | |
2120 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
2121 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2122 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
2123 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
2124 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2125 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
2126 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
2127 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2128 // Float and double probes don't return value because dtrace doesn't currently support it | |
2129 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
2130 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
2131 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2132 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
2133 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
2134 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2135 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
2136 | |
2137 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
2138 , EntryProbe, ReturnProbe) \ | |
2139 \ | |
2140 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
2141 , ReturnProbe);\ | |
2142 \ | |
2143 JNI_ENTRY(ResultType, \ | |
2144 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2145 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2146 \ | |
2147 EntryProbe;\ | |
2148 ResultType ret;\ | |
2149 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2150 (const ResultType&)ret);\ | |
2151 \ | |
2152 JavaValue jvalue(Tag); \ | |
2153 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2154 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2155 ret = jvalue.get_##ResultType(); \ | |
2156 return ret;\ | |
2157 JNI_END | |
2158 | |
2159 // the runtime type of subword integral basic types is integer | |
2160 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
2161 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2162 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
2163 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
2164 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2165 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
2166 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
2167 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2168 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
2169 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
2170 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2171 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
2172 | |
2173 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
2174 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2175 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
2176 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
2177 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2178 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
2179 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
2180 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2181 // Float and double probes don't return value because dtrace doesn't currently support it | |
2182 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
2183 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
2184 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2185 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
2186 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
2187 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2188 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
2189 | |
2190 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
2191 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
2192 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
2193 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
2194 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
2195 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
2196 #endif /* USDT2 */ | |
2197 | |
0 | 2198 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
2199 JNIWrapper("CallNonvirtualVoidMethod"); | |
2200 | |
4006 | 2201 #ifndef USDT2 |
0 | 2202 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
2203 env, obj, cls, methodID); | |
4006 | 2204 #else /* USDT2 */ |
2205 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
2206 env, obj, cls, (uintptr_t) methodID); | |
2207 #endif /* USDT2 */ | |
0 | 2208 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
2209 | |
2210 va_list args; | |
2211 va_start(args, methodID); | |
2212 JavaValue jvalue(T_VOID); | |
2177
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2213 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2214 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2215 va_end(args); | |
2216 JNI_END | |
2217 | |
2218 | |
2219 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
2220 JNIWrapper("CallNonvirtualVoidMethodV"); | |
2221 | |
4006 | 2222 #ifndef USDT2 |
0 | 2223 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
2224 env, obj, cls, methodID); | |
4006 | 2225 #else /* USDT2 */ |
2226 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
2227 env, obj, cls, (uintptr_t) methodID); | |
2228 #endif /* USDT2 */ | |
0 | 2229 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
2230 | |
2231 JavaValue jvalue(T_VOID); | |
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2232 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2233 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2234 JNI_END | |
2235 | |
2236 | |
2237 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
2238 JNIWrapper("CallNonvirtualVoidMethodA"); | |
4006 | 2239 #ifndef USDT2 |
0 | 2240 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
2241 env, obj, cls, methodID); | |
4006 | 2242 #else /* USDT2 */ |
2243 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
2244 env, obj, cls, (uintptr_t) methodID); | |
2245 #endif /* USDT2 */ | |
0 | 2246 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
2247 JavaValue jvalue(T_VOID); | |
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2248 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2249 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2250 JNI_END | |
2251 | |
2252 | |
4006 | 2253 #ifndef USDT2 |
0 | 2254 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
2255 \ | |
2256 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
2257 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
2258 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
2259 \ | |
2260 JNI_ENTRY(ResultType, \ | |
2261 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2262 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2263 \ | |
2264 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
2265 ResultType ret = 0;\ | |
2266 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2267 (const ResultType&)ret);\ | |
2268 \ | |
2269 va_list args; \ | |
2270 va_start(args, methodID); \ | |
2271 JavaValue jvalue(Tag); \ | |
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2272 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2273 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2274 va_end(args); \ | |
2275 ret = jvalue.get_##ResultType(); \ | |
2276 return ret;\ | |
2277 JNI_END \ | |
2278 \ | |
2279 JNI_ENTRY(ResultType, \ | |
2280 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2281 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2282 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
2283 ResultType ret = 0;\ | |
2284 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2285 (const ResultType&)ret);\ | |
2286 \ | |
2287 JavaValue jvalue(Tag); \ | |
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2288 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2289 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2290 ret = jvalue.get_##ResultType(); \ | |
2291 return ret;\ | |
2292 JNI_END \ | |
2293 \ | |
2294 JNI_ENTRY(ResultType, \ | |
2295 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2296 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2297 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
2298 ResultType ret = 0;\ | |
2299 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2300 (const ResultType&)ret);\ | |
2301 \ | |
2302 JavaValue jvalue(Tag); \ | |
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2303 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2304 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2305 ret = jvalue.get_##ResultType(); \ | |
2306 return ret;\ | |
2307 JNI_END | |
2308 | |
2309 // the runtime type of subword integral basic types is integer | |
2310 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2311 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
2312 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
2313 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
2314 | |
2315 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
2316 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
2317 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
2318 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
2319 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
2320 | |
2321 | |
2322 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
2323 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
2324 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
2325 | |
4006 | 2326 #else /* USDT2 */ |
2327 | |
2328 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
2329 , EntryProbe, ResultProbe) \ | |
2330 \ | |
2331 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
2332 , ResultProbe); \ | |
2333 \ | |
2334 JNI_ENTRY(ResultType, \ | |
2335 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2336 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2337 \ | |
2338 EntryProbe; \ | |
2339 ResultType ret = 0;\ | |
2340 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2341 (const ResultType&)ret);\ | |
2342 \ | |
2343 va_list args; \ | |
2344 va_start(args, methodID); \ | |
2345 JavaValue jvalue(Tag); \ | |
2346 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2347 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2348 va_end(args); \ | |
2349 ret = jvalue.get_##ResultType(); \ | |
2350 return ret;\ | |
2351 JNI_END | |
2352 | |
2353 // the runtime type of subword integral basic types is integer | |
2354 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
2355 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2356 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
2357 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
2358 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2359 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
2360 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
2361 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2362 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
2363 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
2364 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2365 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
2366 | |
2367 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
2368 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2369 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
2370 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
2371 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2372 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
2373 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
2374 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2375 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
2376 // Float and double probes don't return value because dtrace doesn't currently support it | |
2377 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
2378 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2379 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
2380 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
2381 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2382 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
2383 | |
2384 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
2385 , EntryProbe, ResultProbe) \ | |
2386 \ | |
2387 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
2388 , ResultProbe); \ | |
2389 \ | |
2390 JNI_ENTRY(ResultType, \ | |
2391 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2392 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2393 \ | |
2394 EntryProbe; \ | |
2395 ResultType ret = 0;\ | |
2396 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2397 (const ResultType&)ret);\ | |
2398 \ | |
2399 JavaValue jvalue(Tag); \ | |
2400 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2401 /* Make sure class is initialized before trying to invoke its method */ \ | |
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2402 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
6983 | 2403 k()->initialize(CHECK_0); \ |
4006 | 2404 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2405 va_end(args); \ | |
2406 ret = jvalue.get_##ResultType(); \ | |
2407 return ret;\ | |
2408 JNI_END | |
2409 | |
2410 // the runtime type of subword integral basic types is integer | |
2411 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
2412 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2413 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
2414 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
2415 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2416 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
2417 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
2418 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2419 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
2420 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
2421 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2422 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
2423 | |
2424 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
2425 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2426 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
2427 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
2428 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2429 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
2430 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
2431 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2432 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
2433 // Float and double probes don't return value because dtrace doesn't currently support it | |
2434 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
2435 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2436 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
2437 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
2438 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2439 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
2440 | |
2441 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
2442 , EntryProbe, ResultProbe) \ | |
2443 \ | |
2444 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
2445 , ResultProbe); \ | |
2446 \ | |
2447 JNI_ENTRY(ResultType, \ | |
2448 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2449 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2450 \ | |
2451 EntryProbe; \ | |
2452 ResultType ret = 0;\ | |
2453 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2454 (const ResultType&)ret);\ | |
2455 \ | |
2456 JavaValue jvalue(Tag); \ | |
2457 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2458 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2459 ret = jvalue.get_##ResultType(); \ | |
2460 return ret;\ | |
2461 JNI_END | |
2462 | |
2463 // the runtime type of subword integral basic types is integer | |
2464 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
2465 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2466 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
2467 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
2468 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2469 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
2470 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
2471 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2472 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
2473 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
2474 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2475 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
2476 | |
2477 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
2478 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2479 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
2480 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
2481 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2482 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
2483 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
2484 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2485 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
2486 // Float and double probes don't return value because dtrace doesn't currently support it | |
2487 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
2488 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2489 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
2490 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
2491 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2492 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
2493 | |
2494 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
2495 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
2496 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
2497 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
2498 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
2499 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
2500 #endif /* USDT2 */ | |
2501 | |
0 | 2502 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
2503 JNIWrapper("CallStaticVoidMethod"); | |
4006 | 2504 #ifndef USDT2 |
0 | 2505 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
4006 | 2506 #else /* USDT2 */ |
2507 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
2508 env, cls, (uintptr_t) methodID); | |
2509 #endif /* USDT2 */ | |
0 | 2510 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
2511 | |
2512 va_list args; | |
2513 va_start(args, methodID); | |
2514 JavaValue jvalue(T_VOID); | |
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2515 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2516 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2517 va_end(args); | |
2518 JNI_END | |
2519 | |
2520 | |
2521 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
2522 JNIWrapper("CallStaticVoidMethodV"); | |
4006 | 2523 #ifndef USDT2 |
0 | 2524 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
4006 | 2525 #else /* USDT2 */ |
2526 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
2527 env, cls, (uintptr_t) methodID); | |
2528 #endif /* USDT2 */ | |
0 | 2529 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
2530 | |
2531 JavaValue jvalue(T_VOID); | |
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2532 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2533 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2534 JNI_END | |
2535 | |
2536 | |
2537 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
2538 JNIWrapper("CallStaticVoidMethodA"); | |
4006 | 2539 #ifndef USDT2 |
0 | 2540 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
4006 | 2541 #else /* USDT2 */ |
2542 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
2543 env, cls, (uintptr_t) methodID); | |
2544 #endif /* USDT2 */ | |
0 | 2545 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
2546 | |
2547 JavaValue jvalue(T_VOID); | |
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2548 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2549 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2550 JNI_END | |
2551 | |
2552 | |
2553 // | |
2554 // Accessing Fields | |
2555 // | |
2556 | |
2557 | |
4006 | 2558 #ifndef USDT2 |
0 | 2559 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
4006 | 2560 #else /* USDT2 */ |
2561 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
2562 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2563 #endif /* USDT2 */ | |
0 | 2564 |
2565 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
2566 const char *name, const char *sig)) | |
2567 JNIWrapper("GetFieldID"); | |
4006 | 2568 #ifndef USDT2 |
0 | 2569 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
4006 | 2570 #else /* USDT2 */ |
2571 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
2572 env, clazz, (char *) name, (char *) sig); | |
2573 #endif /* USDT2 */ | |
0 | 2574 jfieldID ret = 0; |
2575 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
2576 | |
2577 // The class should have been loaded (we have an instance of the class | |
2578 // passed in) so the field and signature should already be in the symbol | |
2579 // table. If they're not there, the field doesn't exist. | |
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2580 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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2581 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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2582 if (fieldname == NULL || signame == NULL) { |
0 | 2583 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2584 } | |
2585 KlassHandle k(THREAD, | |
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2586 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2587 // Make sure class is initialized before handing id's out to fields |
6983 | 2588 k()->initialize(CHECK_NULL); |
0 | 2589 |
2590 fieldDescriptor fd; | |
6983 | 2591 if (!k()->oop_is_instance() || |
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2592 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
0 | 2593 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2594 } | |
2595 | |
2596 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
2597 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
2598 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
2599 return ret; | |
2600 JNI_END | |
2601 | |
2602 | |
2603 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
2604 JNIWrapper("GetObjectField"); | |
4006 | 2605 #ifndef USDT2 |
0 | 2606 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
4006 | 2607 #else /* USDT2 */ |
2608 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
2609 env, obj, (uintptr_t) fieldID); | |
2610 #endif /* USDT2 */ | |
0 | 2611 oop o = JNIHandles::resolve_non_null(obj); |
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2612 Klass* k = o->klass(); |
0 | 2613 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2614 // Keep JVMTI addition small and only check enabled flag here. | |
2615 // jni_GetField_probe() assumes that is okay to create handles. | |
2616 if (JvmtiExport::should_post_field_access()) { | |
2617 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
2618 } | |
2619 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
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2620 #if INCLUDE_ALL_GCS |
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2621 // If G1 is enabled and we are accessing the value of the referent |
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|
2622 // field in a reference object then we need to register a non-null |
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|
2623 // referent with the SATB barrier. |
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|
2624 if (UseG1GC) { |
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|
2625 bool needs_barrier = false; |
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|
2626 |
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|
2627 if (ret != NULL && |
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|
2628 offset == java_lang_ref_Reference::referent_offset && |
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2629 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
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2630 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
3249
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|
2631 needs_barrier = true; |
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diff
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|
2632 } |
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diff
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|
2633 |
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|
2634 if (needs_barrier) { |
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|
2635 oop referent = JNIHandles::resolve(ret); |
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|
2636 G1SATBCardTableModRefBS::enqueue(referent); |
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|
2637 } |
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|
2638 } |
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|
2639 #endif // INCLUDE_ALL_GCS |
4006 | 2640 #ifndef USDT2 |
0 | 2641 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
4006 | 2642 #else /* USDT2 */ |
2643 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
2644 ret); | |
2645 #endif /* USDT2 */ | |
0 | 2646 return ret; |
2647 JNI_END | |
2648 | |
2649 | |
4006 | 2650 #ifndef USDT2 |
0 | 2651 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
2652 \ | |
2653 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
2654 \ | |
2655 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2656 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2657 \ | |
2658 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
2659 Return ret = 0;\ | |
2660 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2661 \ | |
2662 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2663 Klass* k = o->klass(); \ |
0 | 2664 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2665 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2666 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2667 /* and creates a ResetNoHandleMark. */ \ | |
2668 if (JvmtiExport::should_post_field_access()) { \ | |
2669 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2670 } \ | |
2671 ret = o->Fieldname##_field(offset); \ | |
2672 return ret; \ | |
2673 JNI_END | |
2674 | |
2675 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
2676 DEFINE_GETFIELD(jbyte, byte, Byte) | |
2677 DEFINE_GETFIELD(jchar, char, Char) | |
2678 DEFINE_GETFIELD(jshort, short, Short) | |
2679 DEFINE_GETFIELD(jint, int, Int) | |
2680 DEFINE_GETFIELD(jlong, long, Long) | |
2681 DEFINE_GETFIELD(jfloat, float, Float) | |
2682 DEFINE_GETFIELD(jdouble, double, Double) | |
2683 | |
4006 | 2684 #else /* USDT2 */ |
2685 | |
2686 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
2687 , EntryProbe, ReturnProbe) \ | |
2688 \ | |
2689 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
2690 , ReturnProbe); \ | |
2691 \ | |
2692 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2693 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2694 \ | |
2695 EntryProbe; \ | |
2696 Return ret = 0;\ | |
2697 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2698 \ | |
2699 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2700 Klass* k = o->klass(); \ |
4006 | 2701 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2702 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2703 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2704 /* and creates a ResetNoHandleMark. */ \ | |
2705 if (JvmtiExport::should_post_field_access()) { \ | |
2706 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2707 } \ | |
2708 ret = o->Fieldname##_field(offset); \ | |
2709 return ret; \ | |
2710 JNI_END | |
2711 | |
2712 DEFINE_GETFIELD(jboolean, bool, Boolean | |
2713 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2714 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
2715 DEFINE_GETFIELD(jbyte, byte, Byte | |
2716 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2717 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
2718 DEFINE_GETFIELD(jchar, char, Char | |
2719 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2720 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
2721 DEFINE_GETFIELD(jshort, short, Short | |
2722 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2723 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
2724 DEFINE_GETFIELD(jint, int, Int | |
2725 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2726 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
2727 DEFINE_GETFIELD(jlong, long, Long | |
2728 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2729 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
2730 // Float and double probes don't return value because dtrace doesn't currently support it | |
2731 DEFINE_GETFIELD(jfloat, float, Float | |
2732 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2733 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
2734 DEFINE_GETFIELD(jdouble, double, Double | |
2735 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2736 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
2737 #endif /* USDT2 */ | |
2738 | |
0 | 2739 address jni_GetBooleanField_addr() { |
2740 return (address)jni_GetBooleanField; | |
2741 } | |
2742 address jni_GetByteField_addr() { | |
2743 return (address)jni_GetByteField; | |
2744 } | |
2745 address jni_GetCharField_addr() { | |
2746 return (address)jni_GetCharField; | |
2747 } | |
2748 address jni_GetShortField_addr() { | |
2749 return (address)jni_GetShortField; | |
2750 } | |
2751 address jni_GetIntField_addr() { | |
2752 return (address)jni_GetIntField; | |
2753 } | |
2754 address jni_GetLongField_addr() { | |
2755 return (address)jni_GetLongField; | |
2756 } | |
2757 address jni_GetFloatField_addr() { | |
2758 return (address)jni_GetFloatField; | |
2759 } | |
2760 address jni_GetDoubleField_addr() { | |
2761 return (address)jni_GetDoubleField; | |
2762 } | |
2763 | |
2764 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
2765 JNIWrapper("SetObjectField"); | |
4006 | 2766 #ifndef USDT2 |
0 | 2767 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
4006 | 2768 #else /* USDT2 */ |
2769 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
2770 env, obj, (uintptr_t) fieldID, value); | |
2771 #endif /* USDT2 */ | |
0 | 2772 oop o = JNIHandles::resolve_non_null(obj); |
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2773 Klass* k = o->klass(); |
0 | 2774 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2775 // Keep JVMTI addition small and only check enabled flag here. | |
2776 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
2777 // and creates a ResetNoHandleMark. | |
2778 if (JvmtiExport::should_post_field_modification()) { | |
2779 jvalue field_value; | |
2780 field_value.l = value; | |
2781 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
2782 } | |
2783 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
4006 | 2784 #ifndef USDT2 |
0 | 2785 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
4006 | 2786 #else /* USDT2 */ |
2787 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
2788 ); | |
2789 #endif /* USDT2 */ | |
0 | 2790 JNI_END |
2791 | |
4006 | 2792 #ifndef USDT2 |
0 | 2793 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
2794 \ | |
2795 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2796 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2797 \ | |
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2798 FP_SELECT_##Result( \ |
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2799 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
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2800 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
0 | 2801 \ |
2802 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2803 Klass* k = o->klass(); \ |
0 | 2804 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2805 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2806 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2807 /* and creates a ResetNoHandleMark. */ \ | |
2808 if (JvmtiExport::should_post_field_modification()) { \ | |
2809 jvalue field_value; \ | |
2810 field_value.unionType = value; \ | |
2811 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2812 } \ | |
2813 o->Fieldname##_field_put(offset, value); \ | |
2814 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
2815 JNI_END | |
2816 | |
2817 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
2818 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
2819 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
2820 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
2821 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
2822 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
2823 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
2824 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
2825 | |
4006 | 2826 #else /* USDT2 */ |
2827 | |
2828 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
2829 , EntryProbe, ReturnProbe) \ | |
2830 \ | |
2831 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2832 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2833 \ | |
2834 EntryProbe; \ | |
2835 \ | |
2836 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2837 Klass* k = o->klass(); \ |
4006 | 2838 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2839 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2840 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2841 /* and creates a ResetNoHandleMark. */ \ | |
2842 if (JvmtiExport::should_post_field_modification()) { \ | |
2843 jvalue field_value; \ | |
2844 field_value.unionType = value; \ | |
2845 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2846 } \ | |
2847 o->Fieldname##_field_put(offset, value); \ | |
2848 ReturnProbe; \ | |
2849 JNI_END | |
2850 | |
2851 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
2852 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2853 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
2854 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
2855 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2856 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
2857 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
2858 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2859 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
2860 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
2861 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2862 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
2863 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
2864 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2865 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
2866 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
2867 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2868 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
2869 // Float and double probes don't return value because dtrace doesn't currently support it | |
2870 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
2871 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2872 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
2873 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
2874 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2875 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
2876 #endif /* USDT2 */ | |
2877 | |
2878 #ifndef USDT2 | |
0 | 2879 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
4006 | 2880 #else /* USDT2 */ |
2881 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
2882 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
2883 #endif /* USDT2 */ | |
0 | 2884 |
2885 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
2886 JNIWrapper("ToReflectedField"); | |
4006 | 2887 #ifndef USDT2 |
0 | 2888 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
2889 env, cls, fieldID, isStatic); | |
4006 | 2890 #else /* USDT2 */ |
2891 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
2892 env, cls, (uintptr_t) fieldID, isStatic); | |
2893 #endif /* USDT2 */ | |
0 | 2894 jobject ret = NULL; |
2895 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
2896 | |
2897 fieldDescriptor fd; | |
2898 bool found = false; | |
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2899 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
0 | 2900 |
2901 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
2902 | |
2903 if (isStatic) { | |
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2904 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
0 | 2905 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2906 assert(id->is_static_field_id(), "invalid static field id"); | |
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2907 found = id->find_local_field(&fd); |
0 | 2908 } else { |
2909 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
2910 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
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2911 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
0 | 2912 } |
2913 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
2914 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
2915 ret = JNIHandles::make_local(env, reflected); | |
2916 return ret; | |
2917 JNI_END | |
2918 | |
2919 | |
2920 // | |
2921 // Accessing Static Fields | |
2922 // | |
4006 | 2923 #ifndef USDT2 |
0 | 2924 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
4006 | 2925 #else /* USDT2 */ |
2926 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
2927 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2928 #endif /* USDT2 */ | |
0 | 2929 |
2930 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
2931 const char *name, const char *sig)) | |
2932 JNIWrapper("GetStaticFieldID"); | |
4006 | 2933 #ifndef USDT2 |
0 | 2934 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
4006 | 2935 #else /* USDT2 */ |
2936 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
2937 env, clazz, (char *) name, (char *) sig); | |
2938 #endif /* USDT2 */ | |
0 | 2939 jfieldID ret = NULL; |
2940 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
2941 | |
2942 // The class should have been loaded (we have an instance of the class | |
2943 // passed in) so the field and signature should already be in the symbol | |
2944 // table. If they're not there, the field doesn't exist. | |
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|
2945 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
3582bf76420e
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|
2946 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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|
2947 if (fieldname == NULL || signame == NULL) { |
0 | 2948 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2949 } | |
2950 KlassHandle k(THREAD, | |
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2951 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2952 // Make sure class is initialized before handing id's out to static fields |
6983 | 2953 k()->initialize(CHECK_NULL); |
0 | 2954 |
2955 fieldDescriptor fd; | |
6983 | 2956 if (!k()->oop_is_instance() || |
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2957 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
0 | 2958 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2959 } | |
2960 | |
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2961 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
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changeset
|
2962 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
0 | 2963 debug_only(id->set_is_static_field_id();) |
2964 | |
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|
2965 debug_only(id->verify(fd.field_holder())); |
0 | 2966 |
2967 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
2968 return ret; | |
2969 JNI_END | |
2970 | |
2971 | |
2972 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
2973 JNIWrapper("GetStaticObjectField"); | |
4006 | 2974 #ifndef USDT2 |
0 | 2975 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
4006 | 2976 #else /* USDT2 */ |
2977 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
2978 env, clazz, (uintptr_t) fieldID); | |
2979 #endif /* USDT2 */ | |
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|
2980 #if INCLUDE_JNI_CHECK |
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2981 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
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|
2982 #endif // INCLUDE_JNI_CHECK |
0 | 2983 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2984 assert(id->is_static_field_id(), "invalid static field id"); | |
2985 // Keep JVMTI addition small and only check enabled flag here. | |
2986 // jni_GetField_probe() assumes that is okay to create handles. | |
2987 if (JvmtiExport::should_post_field_access()) { | |
2988 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
2989 } | |
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|
2990 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
4006 | 2991 #ifndef USDT2 |
0 | 2992 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
4006 | 2993 #else /* USDT2 */ |
2994 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
2995 ret); | |
2996 #endif /* USDT2 */ | |
0 | 2997 return ret; |
2998 JNI_END | |
2999 | |
4006 | 3000 #ifndef USDT2 |
0 | 3001 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
3002 \ | |
3003 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
3004 \ | |
3005 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3006 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3007 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
3008 Return ret = 0;\ | |
3009 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3010 (const Return&)ret);\ | |
3011 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3012 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3013 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3014 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3015 if (JvmtiExport::should_post_field_access()) { \ | |
3016 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3017 } \ | |
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|
3018 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
0 | 3019 return ret;\ |
3020 JNI_END | |
3021 | |
3022 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
3023 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
3024 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
3025 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
3026 DEFINE_GETSTATICFIELD(jint, int, Int) | |
3027 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
3028 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
3029 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
3030 | |
4006 | 3031 #else /* USDT2 */ |
3032 | |
3033 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
3034 , EntryProbe, ReturnProbe) \ | |
3035 \ | |
3036 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
3037 , ReturnProbe); \ | |
3038 \ | |
3039 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3040 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3041 EntryProbe; \ | |
3042 Return ret = 0;\ | |
3043 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3044 (const Return&)ret);\ | |
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_GetField_probe() assumes that is okay to create handles. */ \ | |
3049 if (JvmtiExport::should_post_field_access()) { \ | |
3050 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3051 } \ | |
3052 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
3053 return ret;\ | |
3054 JNI_END | |
3055 | |
3056 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
3057 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
3058 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
3059 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
3060 DEFINE_GETSTATICFIELD(jchar, char, Char | |
3061 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
3062 DEFINE_GETSTATICFIELD(jshort, short, Short | |
3063 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
3064 DEFINE_GETSTATICFIELD(jint, int, Int | |
3065 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
3066 DEFINE_GETSTATICFIELD(jlong, long, Long | |
3067 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
3068 // Float and double probes don't return value because dtrace doesn't currently support it | |
3069 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
3070 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
3071 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
3072 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
3073 #endif /* USDT2 */ | |
0 | 3074 |
3075 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
3076 JNIWrapper("SetStaticObjectField"); | |
4006 | 3077 #ifndef USDT2 |
0 | 3078 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
4006 | 3079 #else /* USDT2 */ |
3080 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
3081 env, clazz, (uintptr_t) fieldID, value); | |
3082 #endif /* USDT2 */ | |
0 | 3083 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
3084 assert(id->is_static_field_id(), "invalid static field id"); | |
3085 // Keep JVMTI addition small and only check enabled flag here. | |
3086 // jni_SetField_probe() assumes that is okay to create handles. | |
3087 if (JvmtiExport::should_post_field_modification()) { | |
3088 jvalue field_value; | |
3089 field_value.l = value; | |
3090 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
3091 } | |
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3092 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
4006 | 3093 #ifndef USDT2 |
0 | 3094 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
4006 | 3095 #else /* USDT2 */ |
3096 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
3097 ); | |
3098 #endif /* USDT2 */ | |
0 | 3099 JNI_END |
3100 | |
3101 | |
4006 | 3102 #ifndef USDT2 |
0 | 3103 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
3104 \ | |
3105 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3106 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
6837
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3107 FP_SELECT_##Result( \ |
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3108 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
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3109 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
0 | 3110 \ |
3111 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3112 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3113 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3114 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3115 if (JvmtiExport::should_post_field_modification()) { \ | |
3116 jvalue field_value; \ | |
3117 field_value.unionType = value; \ | |
3118 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3119 } \ | |
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3120 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
0 | 3121 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
3122 JNI_END | |
3123 | |
3124 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
3125 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
3126 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
3127 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
3128 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
3129 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
3130 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
3131 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
3132 | |
4006 | 3133 #else /* USDT2 */ |
3134 | |
3135 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
3136 , EntryProbe, ReturnProbe) \ | |
3137 \ | |
3138 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3139 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3140 EntryProbe; \ | |
3141 \ | |
3142 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3143 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3144 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3145 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3146 if (JvmtiExport::should_post_field_modification()) { \ | |
3147 jvalue field_value; \ | |
3148 field_value.unionType = value; \ | |
3149 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3150 } \ | |
3151 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
3152 ReturnProbe;\ | |
3153 JNI_END | |
3154 | |
3155 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
3156 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
3157 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
3158 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
3159 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3160 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
3161 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
3162 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3163 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
3164 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
3165 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3166 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
3167 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
3168 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3169 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
3170 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
3171 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3172 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
3173 // Float and double probes don't return value because dtrace doesn't currently support it | |
3174 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
3175 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3176 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
3177 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
3178 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3179 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
3180 #endif /* USDT2 */ | |
0 | 3181 |
3182 // | |
3183 // String Operations | |
3184 // | |
3185 | |
3186 // Unicode Interface | |
3187 | |
4006 | 3188 #ifndef USDT2 |
0 | 3189 DT_RETURN_MARK_DECL(NewString, jstring); |
4006 | 3190 #else /* USDT2 */ |
3191 DT_RETURN_MARK_DECL(NewString, jstring | |
3192 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
3193 #endif /* USDT2 */ | |
0 | 3194 |
3195 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
3196 JNIWrapper("NewString"); | |
4006 | 3197 #ifndef USDT2 |
0 | 3198 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
4006 | 3199 #else /* USDT2 */ |
3200 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
3201 env, (uint16_t *) unicodeChars, len); | |
3202 #endif /* USDT2 */ | |
0 | 3203 jstring ret = NULL; |
3204 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
3205 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
3206 ret = (jstring) JNIHandles::make_local(env, string); | |
3207 return ret; | |
3208 JNI_END | |
3209 | |
3210 | |
3211 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
3212 JNIWrapper("GetStringLength"); | |
4006 | 3213 #ifndef USDT2 |
0 | 3214 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
4006 | 3215 #else /* USDT2 */ |
3216 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
3217 env, string); | |
3218 #endif /* USDT2 */ | |
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3219 jsize ret = 0; |
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3220 oop s = JNIHandles::resolve_non_null(string); |
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3221 if (java_lang_String::value(s) != NULL) { |
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3222 ret = java_lang_String::length(s); |
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|
3223 } |
4006 | 3224 #ifndef USDT2 |
0 | 3225 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
4006 | 3226 #else /* USDT2 */ |
3227 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
3228 ret); | |
3229 #endif /* USDT2 */ | |
0 | 3230 return ret; |
3231 JNI_END | |
3232 | |
3233 | |
3234 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
3235 JNIEnv *env, jstring string, jboolean *isCopy)) | |
3236 JNIWrapper("GetStringChars"); | |
4006 | 3237 #ifndef USDT2 |
0 | 3238 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
4006 | 3239 #else /* USDT2 */ |
3240 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
3241 env, string, (uintptr_t *) isCopy); | |
3242 #endif /* USDT2 */ | |
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3243 jchar* buf = NULL; |
0 | 3244 oop s = JNIHandles::resolve_non_null(string); |
3245 typeArrayOop s_value = java_lang_String::value(s); | |
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3246 if (s_value != NULL) { |
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3247 int s_len = java_lang_String::length(s); |
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3248 int s_offset = java_lang_String::offset(s); |
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|
3249 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
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|
3250 /* JNI Specification states return NULL on OOM */ |
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|
3251 if (buf != NULL) { |
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|
3252 if (s_len > 0) { |
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|
3253 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
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|
3254 } |
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|
3255 buf[s_len] = 0; |
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|
3256 //%note jni_5 |
f9be370a7d54
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|
3257 if (isCopy != NULL) { |
f9be370a7d54
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|
3258 *isCopy = JNI_TRUE; |
f9be370a7d54
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|
3259 } |
12109
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|
3260 } |
0 | 3261 } |
4006 | 3262 #ifndef USDT2 |
0 | 3263 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
4006 | 3264 #else /* USDT2 */ |
3265 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
3266 buf); | |
3267 #endif /* USDT2 */ | |
0 | 3268 return buf; |
3269 JNI_END | |
3270 | |
3271 | |
3272 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
3273 JNIWrapper("ReleaseStringChars"); | |
4006 | 3274 #ifndef USDT2 |
0 | 3275 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
4006 | 3276 #else /* USDT2 */ |
3277 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
3278 env, str, (uint16_t *) chars); | |
3279 #endif /* USDT2 */ | |
0 | 3280 //%note jni_6 |
3281 if (chars != NULL) { | |
3282 // Since String objects are supposed to be immutable, don't copy any | |
3283 // new data back. A bad user will have to go after the char array. | |
3284 FreeHeap((void*) chars); | |
3285 } | |
4006 | 3286 #ifndef USDT2 |
0 | 3287 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
4006 | 3288 #else /* USDT2 */ |
3289 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
3290 ); | |
3291 #endif /* USDT2 */ | |
0 | 3292 JNI_END |
3293 | |
3294 | |
3295 // UTF Interface | |
3296 | |
4006 | 3297 #ifndef USDT2 |
0 | 3298 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
4006 | 3299 #else /* USDT2 */ |
3300 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
3301 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
3302 #endif /* USDT2 */ | |
0 | 3303 |
3304 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
3305 JNIWrapper("NewStringUTF"); | |
4006 | 3306 #ifndef USDT2 |
0 | 3307 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
4006 | 3308 #else /* USDT2 */ |
3309 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
3310 env, (char *) bytes); | |
3311 #endif /* USDT2 */ | |
0 | 3312 jstring ret; |
3313 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
3314 | |
3315 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
3316 ret = (jstring) JNIHandles::make_local(env, result); | |
3317 return ret; | |
3318 JNI_END | |
3319 | |
3320 | |
3321 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
3322 JNIWrapper("GetStringUTFLength"); | |
4006 | 3323 #ifndef USDT2 |
0 | 3324 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
4006 | 3325 #else /* USDT2 */ |
3326 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
3327 env, string); | |
3328 #endif /* USDT2 */ | |
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3329 jsize ret = 0; |
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3330 oop java_string = JNIHandles::resolve_non_null(string); |
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3331 if (java_lang_String::value(java_string) != NULL) { |
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3332 ret = java_lang_String::utf8_length(java_string); |
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|
3333 } |
4006 | 3334 #ifndef USDT2 |
0 | 3335 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
4006 | 3336 #else /* USDT2 */ |
3337 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
3338 ret); | |
3339 #endif /* USDT2 */ | |
0 | 3340 return ret; |
3341 JNI_END | |
3342 | |
3343 | |
3344 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
3345 JNIWrapper("GetStringUTFChars"); | |
4006 | 3346 #ifndef USDT2 |
0 | 3347 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
4006 | 3348 #else /* USDT2 */ |
3349 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
3350 env, string, (uintptr_t *) isCopy); | |
3351 #endif /* USDT2 */ | |
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|
3352 char* result = NULL; |
1989
017cd8bce8a8
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|
3353 oop java_string = JNIHandles::resolve_non_null(string); |
12819
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3354 if (java_lang_String::value(java_string) != NULL) { |
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3355 size_t length = java_lang_String::utf8_length(java_string); |
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3356 /* JNI Specification states return NULL on OOM */ |
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|
3357 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
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3358 if (result != NULL) { |
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|
3359 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
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|
3360 if (isCopy != NULL) { |
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3361 *isCopy = JNI_TRUE; |
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|
3362 } |
12109
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|
3363 } |
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|
3364 } |
4006 | 3365 #ifndef USDT2 |
0 | 3366 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
4006 | 3367 #else /* USDT2 */ |
3368 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
3369 result); | |
3370 #endif /* USDT2 */ | |
0 | 3371 return result; |
3372 JNI_END | |
3373 | |
3374 | |
3375 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
3376 JNIWrapper("ReleaseStringUTFChars"); | |
4006 | 3377 #ifndef USDT2 |
0 | 3378 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
4006 | 3379 #else /* USDT2 */ |
3380 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
3381 env, str, (char *) chars); | |
3382 #endif /* USDT2 */ | |
0 | 3383 if (chars != NULL) { |
3384 FreeHeap((char*) chars); | |
3385 } | |
4006 | 3386 #ifndef USDT2 |
0 | 3387 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
4006 | 3388 #else /* USDT2 */ |
3389 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
3390 ); | |
3391 #endif /* USDT2 */ | |
0 | 3392 JNI_END |
3393 | |
3394 | |
3395 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
3396 JNIWrapper("GetArrayLength"); | |
4006 | 3397 #ifndef USDT2 |
0 | 3398 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
4006 | 3399 #else /* USDT2 */ |
3400 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
3401 env, array); | |
3402 #endif /* USDT2 */ | |
0 | 3403 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
3404 assert(a->is_array(), "must be array"); | |
3405 jsize ret = a->length(); | |
4006 | 3406 #ifndef USDT2 |
0 | 3407 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
4006 | 3408 #else /* USDT2 */ |
3409 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
3410 ret); | |
3411 #endif /* USDT2 */ | |
0 | 3412 return ret; |
3413 JNI_END | |
3414 | |
3415 | |
3416 // | |
3417 // Object Array Operations | |
3418 // | |
3419 | |
4006 | 3420 #ifndef USDT2 |
0 | 3421 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
4006 | 3422 #else /* USDT2 */ |
3423 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
3424 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
3425 #endif /* USDT2 */ | |
0 | 3426 |
3427 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
3428 JNIWrapper("NewObjectArray"); | |
4006 | 3429 #ifndef USDT2 |
0 | 3430 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
4006 | 3431 #else /* USDT2 */ |
3432 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
3433 env, length, elementClass, initialElement); | |
3434 #endif /* USDT2 */ | |
0 | 3435 jobjectArray ret = NULL; |
3436 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
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3437 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
6983 | 3438 Klass* ako = ek()->array_klass(CHECK_NULL); |
0 | 3439 KlassHandle ak = KlassHandle(THREAD, ako); |
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3440 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
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|
3441 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
0 | 3442 oop initial_value = JNIHandles::resolve(initialElement); |
3443 if (initial_value != NULL) { // array already initialized with NULL | |
3444 for (int index = 0; index < length; index++) { | |
3445 result->obj_at_put(index, initial_value); | |
3446 } | |
3447 } | |
3448 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
3449 return ret; | |
3450 JNI_END | |
3451 | |
4006 | 3452 #ifndef USDT2 |
0 | 3453 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
4006 | 3454 #else /* USDT2 */ |
3455 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
3456 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
3457 #endif /* USDT2 */ | |
0 | 3458 |
3459 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
3460 JNIWrapper("GetObjectArrayElement"); | |
4006 | 3461 #ifndef USDT2 |
0 | 3462 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
4006 | 3463 #else /* USDT2 */ |
3464 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
3465 env, array, index); | |
3466 #endif /* USDT2 */ | |
0 | 3467 jobject ret = NULL; |
3468 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
3469 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3470 if (a->is_within_bounds(index)) { | |
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3471 ret = JNIHandles::make_local(env, a->obj_at(index)); |
0 | 3472 return ret; |
3473 } else { | |
3474 char buf[jintAsStringSize]; | |
3475 sprintf(buf, "%d", index); | |
3476 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3477 } | |
3478 JNI_END | |
3479 | |
4006 | 3480 #ifndef USDT2 |
0 | 3481 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
4006 | 3482 #else /* USDT2 */ |
3483 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
3484 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
3485 #endif /* USDT2 */ | |
0 | 3486 |
3487 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
3488 JNIWrapper("SetObjectArrayElement"); | |
4006 | 3489 #ifndef USDT2 |
0 | 3490 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
4006 | 3491 #else /* USDT2 */ |
3492 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
3493 env, array, index, value); | |
3494 #endif /* USDT2 */ | |
0 | 3495 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
3496 | |
3497 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3498 oop v = JNIHandles::resolve(value); | |
3499 if (a->is_within_bounds(index)) { | |
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3500 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
0 | 3501 a->obj_at_put(index, v); |
3502 } else { | |
3503 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
3504 } | |
3505 } else { | |
3506 char buf[jintAsStringSize]; | |
3507 sprintf(buf, "%d", index); | |
3508 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3509 } | |
3510 JNI_END | |
3511 | |
3512 | |
4006 | 3513 #ifndef USDT2 |
0 | 3514 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
3515 \ | |
4006 | 3516 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
0 | 3517 \ |
3518 JNI_ENTRY(Return, \ | |
3519 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3520 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3521 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
3522 Return ret = NULL;\ | |
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3523 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
0 | 3524 \ |
3525 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3526 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3527 return ret;\ | |
3528 JNI_END | |
3529 | |
3530 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
3531 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
3532 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
3533 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
3534 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
3535 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
3536 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
3537 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
3538 | |
4006 | 3539 #else /* USDT2 */ |
3540 | |
3541 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
3542 ,EntryProbe,ReturnProbe) \ | |
3543 \ | |
3544 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
3545 , ReturnProbe); \ | |
3546 \ | |
3547 JNI_ENTRY(Return, \ | |
3548 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3549 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3550 EntryProbe; \ | |
3551 Return ret = NULL;\ | |
3552 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
3553 \ | |
3554 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3555 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3556 return ret;\ | |
3557 JNI_END | |
3558 | |
3559 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
3560 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
3561 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
3562 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
3563 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
3564 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
3565 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
3566 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
3567 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
3568 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
3569 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
3570 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
3571 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
3572 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
3573 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
3574 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
3575 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
3576 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
3577 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
3578 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
3579 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
3580 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
3581 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
3582 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
3583 #endif /* USDT2 */ | |
0 | 3584 |
3585 // Return an address which will fault if the caller writes to it. | |
3586 | |
3587 static char* get_bad_address() { | |
3588 static char* bad_address = NULL; | |
3589 if (bad_address == NULL) { | |
3590 size_t size = os::vm_allocation_granularity(); | |
3591 bad_address = os::reserve_memory(size); | |
3592 if (bad_address != NULL) { | |
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3593 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
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3594 /*is_committed*/false); |
0 | 3595 } |
3596 } | |
3597 return bad_address; | |
3598 } | |
3599 | |
3600 | |
4006 | 3601 #ifndef USDT2 |
0 | 3602 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
3603 \ | |
3604 JNI_QUICK_ENTRY(ElementType*, \ | |
3605 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3606 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3607 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
3608 /* allocate an chunk of memory in c land */ \ | |
3609 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3610 ElementType* result; \ | |
3611 int len = a->length(); \ | |
3612 if (len == 0) { \ | |
3613 /* Empty array: legal but useless, can't return NULL. \ | |
3614 * Return a pointer to something useless. \ | |
3615 * Avoid asserts in typeArrayOop. */ \ | |
3616 result = (ElementType*)get_bad_address(); \ | |
3617 } else { \ | |
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|
3618 /* 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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|
3619 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
faf2631b9334
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|
3620 if (result != NULL) { \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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|
3621 /* copy the array to the c chunk */ \ |
faf2631b9334
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|
3622 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
faf2631b9334
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|
3623 if (isCopy) { \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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changeset
|
3624 *isCopy = JNI_TRUE; \ |
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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|
3625 } \ |
faf2631b9334
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diff
changeset
|
3626 } \ |
0 | 3627 } \ |
3628 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
3629 return result; \ | |
3630 JNI_END | |
3631 | |
3632 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3633 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3634 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3635 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3636 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3637 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3638 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3639 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3640 | |
4006 | 3641 #else /* USDT2 */ |
3642 | |
3643 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
3644 , EntryProbe, ReturnProbe) \ | |
3645 \ | |
3646 JNI_QUICK_ENTRY(ElementType*, \ | |
3647 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3648 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3649 EntryProbe; \ | |
3650 /* allocate an chunk of memory in c land */ \ | |
3651 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3652 ElementType* result; \ | |
3653 int len = a->length(); \ | |
3654 if (len == 0) { \ | |
3655 /* Empty array: legal but useless, can't return NULL. \ | |
3656 * Return a pointer to something useless. \ | |
3657 * Avoid asserts in typeArrayOop. */ \ | |
3658 result = (ElementType*)get_bad_address(); \ | |
3659 } else { \ | |
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|
3660 /* JNI Specification states return NULL on OOM */ \ |
faf2631b9334
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|
3661 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
faf2631b9334
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|
3662 if (result != NULL) { \ |
faf2631b9334
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diff
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|
3663 /* 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
changeset
|
3664 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
faf2631b9334
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|
3665 if (isCopy) { \ |
faf2631b9334
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|
3666 *isCopy = JNI_TRUE; \ |
faf2631b9334
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|
3667 } \ |
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|
3668 } \ |
4006 | 3669 } \ |
3670 ReturnProbe; \ | |
3671 return result; \ | |
3672 JNI_END | |
3673 | |
3674 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3675 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3676 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
3677 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3678 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3679 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
3680 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3681 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3682 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
3683 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3684 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3685 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
3686 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3687 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3688 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
3689 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3690 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3691 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
3692 // Float and double probes don't return value because dtrace doesn't currently support it | |
3693 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3694 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3695 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
3696 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3697 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3698 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
3699 #endif /* USDT2 */ | |
3700 | |
3701 #ifndef USDT2 | |
0 | 3702 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
3703 \ | |
3704 JNI_QUICK_ENTRY(void, \ | |
3705 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3706 ElementType *buf, jint mode)) \ | |
3707 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3708 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
3709 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3710 int len = a->length(); \ | |
3711 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3712 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3713 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3714 } \ | |
3715 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3716 FreeHeap(buf); \ | |
3717 } \ | |
3718 } \ | |
3719 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
3720 JNI_END | |
3721 | |
3722 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3723 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3724 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3725 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3726 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3727 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3728 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3729 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3730 | |
4006 | 3731 #else /* USDT2 */ |
3732 | |
3733 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
3734 , EntryProbe, ReturnProbe);\ | |
3735 \ | |
3736 JNI_QUICK_ENTRY(void, \ | |
3737 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3738 ElementType *buf, jint mode)) \ | |
3739 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3740 EntryProbe; \ | |
3741 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3742 int len = a->length(); \ | |
3743 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3744 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3745 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3746 } \ | |
3747 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3748 FreeHeap(buf); \ | |
3749 } \ | |
3750 } \ | |
3751 ReturnProbe; \ | |
3752 JNI_END | |
3753 | |
3754 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3755 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3756 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
3757 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3758 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
3759 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
3760 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3761 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3762 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
3763 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3764 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3765 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
3766 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3767 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
3768 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
3769 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3770 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3771 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
3772 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3773 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
3774 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
3775 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3776 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
3777 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
3778 #endif /* USDT2 */ | |
3779 | |
3780 #ifndef USDT2 | |
0 | 3781 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3782 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
3783 \ | |
3784 JNI_ENTRY(void, \ | |
3785 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3786 jsize len, ElementType *buf)) \ | |
3787 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3788 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3789 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3790 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3791 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3792 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3793 } else { \ | |
3794 if (len > 0) { \ | |
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3795 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
0 | 3796 memcpy((u_char*) buf, \ |
3797 (u_char*) src->Tag##_at_addr(start), \ | |
3798 len << sc); \ | |
3799 } \ | |
3800 } \ | |
3801 JNI_END | |
3802 | |
3803 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
3804 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3805 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3806 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3807 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3808 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3809 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3810 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3811 | |
4006 | 3812 #else /* USDT2 */ |
3813 | |
3814 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3815 , EntryProbe, ReturnProbe); \ | |
3816 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
3817 , ReturnProbe); \ | |
3818 \ | |
3819 JNI_ENTRY(void, \ | |
3820 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3821 jsize len, ElementType *buf)) \ | |
3822 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3823 EntryProbe; \ | |
3824 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3825 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3826 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3827 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3828 } else { \ | |
3829 if (len > 0) { \ | |
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3830 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
4006 | 3831 memcpy((u_char*) buf, \ |
3832 (u_char*) src->Tag##_at_addr(start), \ | |
3833 len << sc); \ | |
3834 } \ | |
3835 } \ | |
3836 JNI_END | |
3837 | |
3838 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
3839 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3840 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
3841 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3842 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3843 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
3844 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3845 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3846 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
3847 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3848 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
3849 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
3850 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
3851 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
3852 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
3853 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3854 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3855 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
3856 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3857 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3858 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
3859 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3860 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3861 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
3862 #endif /* USDT2 */ | |
3863 | |
3864 #ifndef USDT2 | |
0 | 3865 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3866 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
3867 \ | |
3868 JNI_ENTRY(void, \ | |
3869 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3870 jsize len, const ElementType *buf)) \ | |
3871 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3872 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3873 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3874 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3875 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3876 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3877 } else { \ | |
3878 if (len > 0) { \ | |
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3879 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
0 | 3880 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3881 (u_char*) buf, \ | |
3882 len << sc); \ | |
3883 } \ | |
3884 } \ | |
3885 JNI_END | |
3886 | |
3887 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
3888 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3889 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3890 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3891 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3892 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3893 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3894 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3895 | |
4006 | 3896 #else /* USDT2 */ |
3897 | |
3898 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3899 , EntryProbe, ReturnProbe); \ | |
3900 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
3901 ,ReturnProbe); \ | |
3902 \ | |
3903 JNI_ENTRY(void, \ | |
3904 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3905 jsize len, const ElementType *buf)) \ | |
3906 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3907 EntryProbe; \ | |
3908 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3909 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3910 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3911 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3912 } else { \ | |
3913 if (len > 0) { \ | |
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3914 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
4006 | 3915 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3916 (u_char*) buf, \ | |
3917 len << sc); \ | |
3918 } \ | |
3919 } \ | |
3920 JNI_END | |
3921 | |
3922 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
3923 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
3924 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
3925 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3926 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3927 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
3928 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3929 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3930 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
3931 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3932 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3933 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
3934 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
3935 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
3936 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
3937 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3938 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3939 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
3940 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3941 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3942 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
3943 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3944 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3945 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
3946 #endif /* USDT2 */ | |
3947 | |
0 | 3948 |
3949 // | |
3950 // Interception of natives | |
3951 // | |
3952 | |
3953 // The RegisterNatives call being attempted tried to register with a method that | |
3954 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
3955 // to see if the native method is now wrapped with the prefixes. See the | |
3956 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
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3957 static Method* find_prefixed_native(KlassHandle k, |
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3958 Symbol* name, Symbol* signature, TRAPS) { |
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3959 #if INCLUDE_JVMTI |
0 | 3960 ResourceMark rm(THREAD); |
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3961 Method* method; |
0 | 3962 int name_len = name->utf8_length(); |
3963 char* name_str = name->as_utf8(); | |
3964 int prefix_count; | |
3965 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
3966 for (int i = 0; i < prefix_count; i++) { | |
3967 char* prefix = prefixes[i]; | |
3968 int prefix_len = (int)strlen(prefix); | |
3969 | |
3970 // try adding this prefix to the method name and see if it matches another method name | |
3971 int trial_len = name_len + prefix_len; | |
3972 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
3973 strcpy(trial_name_str, prefix); | |
3974 strcat(trial_name_str, name_str); | |
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3975 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
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3976 if (trial_name == NULL) { |
0 | 3977 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
3978 } | |
6983 | 3979 method = k()->lookup_method(trial_name, signature); |
0 | 3980 if (method == NULL) { |
3981 continue; // signature doesn't match, try the next prefix | |
3982 } | |
3983 if (method->is_native()) { | |
3984 method->set_is_prefixed_native(); | |
3985 return method; // wahoo, we found a prefixed version of the method, return it | |
3986 } | |
3987 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
3988 name_len = trial_len; | |
3989 name_str = trial_name_str; | |
3990 } | |
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3991 #endif // INCLUDE_JVMTI |
0 | 3992 return NULL; // not found |
3993 } | |
3994 | |
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3995 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
6983 | 3996 Method* method = k()->lookup_method(name, signature); |
0 | 3997 if (method == NULL) { |
3998 ResourceMark rm; | |
3999 stringStream st; | |
4000 st.print("Method %s name or signature does not match", | |
6983 | 4001 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 4002 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
4003 } | |
4004 if (!method->is_native()) { | |
4005 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
4006 method = find_prefixed_native(k, name, signature, THREAD); | |
4007 if (method == NULL) { | |
4008 ResourceMark rm; | |
4009 stringStream st; | |
4010 st.print("Method %s is not declared as native", | |
6983 | 4011 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 4012 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
4013 } | |
4014 } | |
4015 | |
4016 if (entry != NULL) { | |
4017 method->set_native_function(entry, | |
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4018 Method::native_bind_event_is_interesting); |
0 | 4019 } else { |
4020 method->clear_native_function(); | |
4021 } | |
4022 if (PrintJNIResolving) { | |
4023 ResourceMark rm(THREAD); | |
4024 tty->print_cr("[Registering JNI native method %s.%s]", | |
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|
4025 method->method_holder()->external_name(), |
0 | 4026 method->name()->as_C_string()); |
4027 } | |
4028 return true; | |
4029 } | |
4030 | |
4006 | 4031 #ifndef USDT2 |
0 | 4032 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
4006 | 4033 #else /* USDT2 */ |
4034 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
4035 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
4036 #endif /* USDT2 */ | |
0 | 4037 |
4038 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
4039 const JNINativeMethod *methods, | |
4040 jint nMethods)) | |
4041 JNIWrapper("RegisterNatives"); | |
4006 | 4042 #ifndef USDT2 |
0 | 4043 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
4006 | 4044 #else /* USDT2 */ |
4045 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
4046 env, clazz, (void *) methods, nMethods); | |
4047 #endif /* USDT2 */ | |
0 | 4048 jint ret = 0; |
4049 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
4050 | |
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4051 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 4052 |
4053 for (int index = 0; index < nMethods; index++) { | |
4054 const char* meth_name = methods[index].name; | |
4055 const char* meth_sig = methods[index].signature; | |
4056 int meth_name_len = (int)strlen(meth_name); | |
4057 | |
4058 // The class should have been loaded (we have an instance of the class | |
4059 // passed in) so the method and signature should already be in the symbol | |
4060 // table. If they're not there, the method doesn't exist. | |
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4061 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
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|
4062 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
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|
4063 |
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|
4064 if (name == NULL || signature == NULL) { |
0 | 4065 ResourceMark rm; |
4066 stringStream st; | |
6983 | 4067 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
0 | 4068 // Must return negative value on failure |
4069 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
4070 } | |
4071 | |
4072 bool res = register_native(h_k, name, signature, | |
4073 (address) methods[index].fnPtr, THREAD); | |
4074 if (!res) { | |
4075 ret = -1; | |
4076 break; | |
4077 } | |
4078 } | |
4079 return ret; | |
4080 JNI_END | |
4081 | |
4082 | |
4083 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
4084 JNIWrapper("UnregisterNatives"); | |
4006 | 4085 #ifndef USDT2 |
0 | 4086 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
4006 | 4087 #else /* USDT2 */ |
4088 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
4089 env, clazz); | |
4090 #endif /* USDT2 */ | |
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4091 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
0 | 4092 //%note jni_2 |
6983 | 4093 if (k->oop_is_instance()) { |
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|
4094 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
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4095 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
0 | 4096 if (m->is_native()) { |
4097 m->clear_native_function(); | |
4098 m->set_signature_handler(NULL); | |
4099 } | |
4100 } | |
4101 } | |
4006 | 4102 #ifndef USDT2 |
0 | 4103 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
4006 | 4104 #else /* USDT2 */ |
4105 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
4106 0); | |
4107 #endif /* USDT2 */ | |
0 | 4108 return 0; |
4109 JNI_END | |
4110 | |
4111 // | |
4112 // Monitor functions | |
4113 // | |
4114 | |
4006 | 4115 #ifndef USDT2 |
0 | 4116 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
4006 | 4117 #else /* USDT2 */ |
4118 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
4119 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
4120 #endif /* USDT2 */ | |
0 | 4121 |
4122 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
4006 | 4123 #ifndef USDT2 |
0 | 4124 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
4006 | 4125 #else /* USDT2 */ |
4126 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
4127 env, jobj); | |
4128 #endif /* USDT2 */ | |
0 | 4129 jint ret = JNI_ERR; |
4130 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
4131 | |
4132 // If the object is null, we can't do anything with it | |
4133 if (jobj == NULL) { | |
4134 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4135 } | |
4136 | |
4137 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
4138 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
4139 ret = JNI_OK; | |
4140 return ret; | |
4141 JNI_END | |
4142 | |
4006 | 4143 #ifndef USDT2 |
0 | 4144 DT_RETURN_MARK_DECL(MonitorExit, jint); |
4006 | 4145 #else /* USDT2 */ |
4146 DT_RETURN_MARK_DECL(MonitorExit, jint | |
4147 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
4148 #endif /* USDT2 */ | |
0 | 4149 |
4150 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
4006 | 4151 #ifndef USDT2 |
0 | 4152 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
4006 | 4153 #else /* USDT2 */ |
4154 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
4155 env, jobj); | |
4156 #endif /* USDT2 */ | |
0 | 4157 jint ret = JNI_ERR; |
4158 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
4159 | |
4160 // Don't do anything with a null object | |
4161 if (jobj == NULL) { | |
4162 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4163 } | |
4164 | |
4165 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
4166 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
4167 | |
4168 ret = JNI_OK; | |
4169 return ret; | |
4170 JNI_END | |
4171 | |
4172 // | |
4173 // Extensions | |
4174 // | |
4175 | |
4006 | 4176 #ifndef USDT2 |
0 | 4177 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
4006 | 4178 #else /* USDT2 */ |
4179 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
4180 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
4181 #endif /* USDT2 */ | |
0 | 4182 |
4183 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
4184 JNIWrapper("GetStringRegion"); | |
4006 | 4185 #ifndef USDT2 |
0 | 4186 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
4006 | 4187 #else /* USDT2 */ |
4188 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
4189 env, string, start, len, buf); | |
4190 #endif /* USDT2 */ | |
0 | 4191 DT_VOID_RETURN_MARK(GetStringRegion); |
4192 oop s = JNIHandles::resolve_non_null(string); | |
4193 int s_len = java_lang_String::length(s); | |
4194 if (start < 0 || len < 0 || start + len > s_len) { | |
4195 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4196 } else { | |
4197 if (len > 0) { | |
4198 int s_offset = java_lang_String::offset(s); | |
4199 typeArrayOop s_value = java_lang_String::value(s); | |
4200 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
4201 } | |
4202 } | |
4203 JNI_END | |
4204 | |
4006 | 4205 #ifndef USDT2 |
0 | 4206 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
4006 | 4207 #else /* USDT2 */ |
4208 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
4209 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
4210 #endif /* USDT2 */ | |
0 | 4211 |
4212 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
4213 JNIWrapper("GetStringUTFRegion"); | |
4006 | 4214 #ifndef USDT2 |
0 | 4215 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
4006 | 4216 #else /* USDT2 */ |
4217 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
4218 env, string, start, len, buf); | |
4219 #endif /* USDT2 */ | |
0 | 4220 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
4221 oop s = JNIHandles::resolve_non_null(string); | |
4222 int s_len = java_lang_String::length(s); | |
4223 if (start < 0 || len < 0 || start + len > s_len) { | |
4224 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4225 } else { | |
4226 //%note jni_7 | |
4227 if (len > 0) { | |
4228 ResourceMark rm(THREAD); | |
4229 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
4230 int utf_len = (int)strlen(utf_region); | |
4231 memcpy(buf, utf_region, utf_len); | |
4232 buf[utf_len] = 0; | |
4233 } else { | |
4234 // JDK null-terminates the buffer even in len is zero | |
4235 if (buf != NULL) { | |
4236 buf[0] = 0; | |
4237 } | |
4238 } | |
4239 } | |
4240 JNI_END | |
4241 | |
4242 | |
4243 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
4244 JNIWrapper("GetPrimitiveArrayCritical"); | |
4006 | 4245 #ifndef USDT2 |
0 | 4246 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
4006 | 4247 #else /* USDT2 */ |
4248 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
4249 env, array, (uintptr_t *) isCopy); | |
4250 #endif /* USDT2 */ | |
0 | 4251 GC_locker::lock_critical(thread); |
4252 if (isCopy != NULL) { | |
4253 *isCopy = JNI_FALSE; | |
4254 } | |
4255 oop a = JNIHandles::resolve_non_null(array); | |
4256 assert(a->is_array(), "just checking"); | |
4257 BasicType type; | |
4258 if (a->is_objArray()) { | |
4259 type = T_OBJECT; | |
4260 } else { | |
6831
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|
4261 type = TypeArrayKlass::cast(a->klass())->element_type(); |
0 | 4262 } |
4263 void* ret = arrayOop(a)->base(type); | |
4006 | 4264 #ifndef USDT2 |
0 | 4265 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
4006 | 4266 #else /* USDT2 */ |
4267 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
4268 ret); | |
4269 #endif /* USDT2 */ | |
0 | 4270 return ret; |
4271 JNI_END | |
4272 | |
4273 | |
4274 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
4275 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
4006 | 4276 #ifndef USDT2 |
0 | 4277 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
4006 | 4278 #else /* USDT2 */ |
4279 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
4280 env, array, carray, mode); | |
4281 #endif /* USDT2 */ | |
0 | 4282 // The array, carray and mode arguments are ignored |
4283 GC_locker::unlock_critical(thread); | |
4006 | 4284 #ifndef USDT2 |
0 | 4285 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
4006 | 4286 #else /* USDT2 */ |
4287 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
4288 ); | |
4289 #endif /* USDT2 */ | |
0 | 4290 JNI_END |
4291 | |
4292 | |
4293 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
4294 JNIWrapper("GetStringCritical"); | |
4006 | 4295 #ifndef USDT2 |
0 | 4296 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
4006 | 4297 #else /* USDT2 */ |
4298 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
4299 env, string, (uintptr_t *) isCopy); | |
4300 #endif /* USDT2 */ | |
0 | 4301 GC_locker::lock_critical(thread); |
4302 if (isCopy != NULL) { | |
4303 *isCopy = JNI_FALSE; | |
4304 } | |
4305 oop s = JNIHandles::resolve_non_null(string); | |
4306 int s_len = java_lang_String::length(s); | |
4307 typeArrayOop s_value = java_lang_String::value(s); | |
4308 int s_offset = java_lang_String::offset(s); | |
4309 const jchar* ret; | |
4310 if (s_len > 0) { | |
4311 ret = s_value->char_at_addr(s_offset); | |
4312 } else { | |
4313 ret = (jchar*) s_value->base(T_CHAR); | |
4314 } | |
4006 | 4315 #ifndef USDT2 |
0 | 4316 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
4006 | 4317 #else /* USDT2 */ |
4318 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
4319 (uint16_t *) ret); | |
4320 #endif /* USDT2 */ | |
0 | 4321 return ret; |
4322 JNI_END | |
4323 | |
4324 | |
4325 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
4326 JNIWrapper("ReleaseStringCritical"); | |
4006 | 4327 #ifndef USDT2 |
0 | 4328 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
4006 | 4329 #else /* USDT2 */ |
4330 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
4331 env, str, (uint16_t *) chars); | |
4332 #endif /* USDT2 */ | |
0 | 4333 // The str and chars arguments are ignored |
4334 GC_locker::unlock_critical(thread); | |
4006 | 4335 #ifndef USDT2 |
0 | 4336 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
4006 | 4337 #else /* USDT2 */ |
4338 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
4339 ); | |
4340 #endif /* USDT2 */ | |
0 | 4341 JNI_END |
4342 | |
4343 | |
4344 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
4345 JNIWrapper("jni_NewWeakGlobalRef"); | |
4006 | 4346 #ifndef USDT2 |
0 | 4347 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
4006 | 4348 #else /* USDT2 */ |
4349 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
4350 env, ref); | |
4351 #endif /* USDT2 */ | |
0 | 4352 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
4353 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
4006 | 4354 #ifndef USDT2 |
0 | 4355 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
4006 | 4356 #else /* USDT2 */ |
4357 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
4358 ret); | |
4359 #endif /* USDT2 */ | |
0 | 4360 return ret; |
4361 JNI_END | |
4362 | |
4363 // Must be JNI_ENTRY (with HandleMark) | |
4364 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
4365 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
4006 | 4366 #ifndef USDT2 |
0 | 4367 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
4006 | 4368 #else /* USDT2 */ |
4369 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
4370 env, ref); | |
4371 #endif /* USDT2 */ | |
0 | 4372 JNIHandles::destroy_weak_global(ref); |
4006 | 4373 #ifndef USDT2 |
0 | 4374 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
4006 | 4375 #else /* USDT2 */ |
4376 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
4377 ); | |
4378 #endif /* USDT2 */ | |
0 | 4379 JNI_END |
4380 | |
4381 | |
4382 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
4383 JNIWrapper("jni_ExceptionCheck"); | |
4006 | 4384 #ifndef USDT2 |
0 | 4385 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
4006 | 4386 #else /* USDT2 */ |
4387 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
4388 env); | |
4389 #endif /* USDT2 */ | |
0 | 4390 jni_check_async_exceptions(thread); |
4391 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
4006 | 4392 #ifndef USDT2 |
0 | 4393 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
4006 | 4394 #else /* USDT2 */ |
4395 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
4396 ret); | |
4397 #endif /* USDT2 */ | |
0 | 4398 return ret; |
4399 JNI_END | |
4400 | |
4401 | |
4402 // Initialization state for three routines below relating to | |
4403 // java.nio.DirectBuffers | |
4404 static jint directBufferSupportInitializeStarted = 0; | |
4405 static volatile jint directBufferSupportInitializeEnded = 0; | |
4406 static volatile jint directBufferSupportInitializeFailed = 0; | |
4407 static jclass bufferClass = NULL; | |
4408 static jclass directBufferClass = NULL; | |
4409 static jclass directByteBufferClass = NULL; | |
4410 static jmethodID directByteBufferConstructor = NULL; | |
4411 static jfieldID directBufferAddressField = NULL; | |
4412 static jfieldID bufferCapacityField = NULL; | |
4413 | |
4414 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
4415 Handle loader; // null (bootstrap) loader | |
4416 Handle protection_domain; // null protection domain | |
4417 | |
2177
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6990754: Use native memory and reference counting to implement SymbolTable
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1989
diff
changeset
|
4418 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4419 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
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diff
changeset
|
4420 |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
579
diff
changeset
|
4421 if (TraceClassResolution && result != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4422 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
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diff
changeset
|
4423 } |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
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diff
changeset
|
4424 return result; |
0 | 4425 } |
4426 | |
4427 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
4428 // circumvent any security checks that would be done by jni_FindClass. | |
4429 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
4430 { | |
4431 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
4432 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
4433 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
4434 return true; | |
4435 } | |
4436 JNI_END | |
4437 | |
4438 | |
4439 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
4440 if (directBufferSupportInitializeFailed) { | |
4441 return false; | |
4442 } | |
4443 | |
4444 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
4445 if (!lookupDirectBufferClasses(env)) { | |
4446 directBufferSupportInitializeFailed = 1; | |
4447 return false; | |
4448 } | |
4449 | |
4450 // Make global references for these | |
4451 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
4452 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
4453 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
4454 | |
4455 // Get needed field and method IDs | |
4456 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
17704
56cd09c4a5c9
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diff
changeset
|
4457 if (env->ExceptionCheck()) { |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4458 env->ExceptionClear(); |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4459 directBufferSupportInitializeFailed = 1; |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4460 return false; |
56cd09c4a5c9
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ccheung
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diff
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|
4461 } |
0 | 4462 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); |
17704
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8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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diff
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|
4463 if (env->ExceptionCheck()) { |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4464 env->ExceptionClear(); |
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8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4465 directBufferSupportInitializeFailed = 1; |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
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|
4466 return false; |
56cd09c4a5c9
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|
4467 } |
0 | 4468 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); |
17704
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
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diff
changeset
|
4469 if (env->ExceptionCheck()) { |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
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|
4470 env->ExceptionClear(); |
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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|
4471 directBufferSupportInitializeFailed = 1; |
56cd09c4a5c9
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|
4472 return false; |
56cd09c4a5c9
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|
4473 } |
0 | 4474 |
4475 if ((directByteBufferConstructor == NULL) || | |
4476 (directBufferAddressField == NULL) || | |
4477 (bufferCapacityField == NULL)) { | |
4478 directBufferSupportInitializeFailed = 1; | |
4479 return false; | |
4480 } | |
4481 | |
4482 directBufferSupportInitializeEnded = 1; | |
4483 } else { | |
4484 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
521
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diff
changeset
|
4485 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
4db4e58c16bd
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diff
changeset
|
4486 // os::sleep which requires the VM state transition. On other platforms, it |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
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477
diff
changeset
|
4487 // is not necessary. The following call to change the VM state is purposely |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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477
diff
changeset
|
4488 // put inside the loop to avoid potential deadlock when multiple threads |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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477
diff
changeset
|
4489 // try to call this method. See 6791815 for more details. |
4db4e58c16bd
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477
diff
changeset
|
4490 ThreadInVMfromNative tivn(thread); |
0 | 4491 os::yield_all(); |
4492 } | |
4493 } | |
4494 | |
4495 return !directBufferSupportInitializeFailed; | |
4496 } | |
4497 | |
4498 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
4499 { | |
4500 // thread_from_jni_environment() will block if VM is gone. | |
4501 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4502 | |
4503 JNIWrapper("jni_NewDirectByteBuffer"); | |
4006 | 4504 #ifndef USDT2 |
0 | 4505 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
4006 | 4506 #else /* USDT2 */ |
4507 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
4508 env, address, capacity); | |
4509 #endif /* USDT2 */ | |
0 | 4510 |
4511 if (!directBufferSupportInitializeEnded) { | |
4512 if (!initializeDirectBufferSupport(env, thread)) { | |
4006 | 4513 #ifndef USDT2 |
0 | 4514 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
4006 | 4515 #else /* USDT2 */ |
4516 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4517 NULL); | |
4518 #endif /* USDT2 */ | |
0 | 4519 return NULL; |
4520 } | |
4521 } | |
4522 | |
4523 // Being paranoid about accidental sign extension on address | |
4524 jlong addr = (jlong) ((uintptr_t) address); | |
4525 // NOTE that package-private DirectByteBuffer constructor currently | |
4526 // takes int capacity | |
4527 jint cap = (jint) capacity; | |
4528 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
4006 | 4529 #ifndef USDT2 |
0 | 4530 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
4006 | 4531 #else /* USDT2 */ |
4532 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4533 ret); | |
4534 #endif /* USDT2 */ | |
0 | 4535 return ret; |
4536 } | |
4537 | |
4006 | 4538 #ifndef USDT2 |
0 | 4539 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
4006 | 4540 #else /* USDT2 */ |
4541 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
4542 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
4543 #endif /* USDT2 */ | |
0 | 4544 |
4545 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
4546 { | |
4547 // thread_from_jni_environment() will block if VM is gone. | |
4548 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4549 | |
4550 JNIWrapper("jni_GetDirectBufferAddress"); | |
4006 | 4551 #ifndef USDT2 |
0 | 4552 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
4006 | 4553 #else /* USDT2 */ |
4554 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
4555 env, buf); | |
4556 #endif /* USDT2 */ | |
0 | 4557 void* ret = NULL; |
4558 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
4559 | |
4560 if (!directBufferSupportInitializeEnded) { | |
4561 if (!initializeDirectBufferSupport(env, thread)) { | |
4562 return 0; | |
4563 } | |
4564 } | |
4565 | |
4566 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
4567 return 0; | |
4568 } | |
4569 | |
4570 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
4571 return ret; | |
4572 } | |
4573 | |
4006 | 4574 #ifndef USDT2 |
0 | 4575 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
4006 | 4576 #else /* USDT2 */ |
4577 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
4578 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
4579 #endif /* USDT2 */ | |
0 | 4580 |
4581 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
4582 { | |
4583 // thread_from_jni_environment() will block if VM is gone. | |
4584 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4585 | |
4586 JNIWrapper("jni_GetDirectBufferCapacity"); | |
4006 | 4587 #ifndef USDT2 |
0 | 4588 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
4006 | 4589 #else /* USDT2 */ |
4590 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
4591 env, buf); | |
4592 #endif /* USDT2 */ | |
0 | 4593 jlong ret = -1; |
4594 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
4595 | |
4596 if (!directBufferSupportInitializeEnded) { | |
4597 if (!initializeDirectBufferSupport(env, thread)) { | |
4598 ret = 0; | |
4599 return ret; | |
4600 } | |
4601 } | |
4602 | |
4603 if (buf == NULL) { | |
4604 return -1; | |
4605 } | |
4606 | |
4607 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
4608 return -1; | |
4609 } | |
4610 | |
4611 // NOTE that capacity is currently an int in the implementation | |
4612 ret = env->GetIntField(buf, bufferCapacityField); | |
4613 return ret; | |
4614 } | |
4615 | |
4616 | |
4617 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
4618 JNIWrapper("GetVersion"); | |
4006 | 4619 #ifndef USDT2 |
0 | 4620 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
4006 | 4621 #else /* USDT2 */ |
4622 HOTSPOT_JNI_GETVERSION_ENTRY( | |
4623 env); | |
4624 #endif /* USDT2 */ | |
4625 #ifndef USDT2 | |
0 | 4626 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
4006 | 4627 #else /* USDT2 */ |
4628 HOTSPOT_JNI_GETVERSION_RETURN( | |
4629 CurrentVersion); | |
4630 #endif /* USDT2 */ | |
0 | 4631 return CurrentVersion; |
4632 JNI_END | |
4633 | |
4634 extern struct JavaVM_ main_vm; | |
4635 | |
4636 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
4637 JNIWrapper("jni_GetJavaVM"); | |
4006 | 4638 #ifndef USDT2 |
0 | 4639 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
4006 | 4640 #else /* USDT2 */ |
4641 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
4642 env, (void **) vm); | |
4643 #endif /* USDT2 */ | |
0 | 4644 *vm = (JavaVM *)(&main_vm); |
4006 | 4645 #ifndef USDT2 |
0 | 4646 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
4006 | 4647 #else /* USDT2 */ |
4648 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
4649 JNI_OK); | |
4650 #endif /* USDT2 */ | |
0 | 4651 return JNI_OK; |
4652 JNI_END | |
4653 | |
4654 // Structure containing all jni functions | |
4655 struct JNINativeInterface_ jni_NativeInterface = { | |
4656 NULL, | |
4657 NULL, | |
4658 NULL, | |
4659 | |
4660 NULL, | |
4661 | |
4662 jni_GetVersion, | |
4663 | |
4664 jni_DefineClass, | |
4665 jni_FindClass, | |
4666 | |
4667 jni_FromReflectedMethod, | |
4668 jni_FromReflectedField, | |
4669 | |
4670 jni_ToReflectedMethod, | |
4671 | |
4672 jni_GetSuperclass, | |
4673 jni_IsAssignableFrom, | |
4674 | |
4675 jni_ToReflectedField, | |
4676 | |
4677 jni_Throw, | |
4678 jni_ThrowNew, | |
4679 jni_ExceptionOccurred, | |
4680 jni_ExceptionDescribe, | |
4681 jni_ExceptionClear, | |
4682 jni_FatalError, | |
4683 | |
4684 jni_PushLocalFrame, | |
4685 jni_PopLocalFrame, | |
4686 | |
4687 jni_NewGlobalRef, | |
4688 jni_DeleteGlobalRef, | |
4689 jni_DeleteLocalRef, | |
4690 jni_IsSameObject, | |
4691 | |
4692 jni_NewLocalRef, | |
4693 jni_EnsureLocalCapacity, | |
4694 | |
4695 jni_AllocObject, | |
4696 jni_NewObject, | |
4697 jni_NewObjectV, | |
4698 jni_NewObjectA, | |
4699 | |
4700 jni_GetObjectClass, | |
4701 jni_IsInstanceOf, | |
4702 | |
4703 jni_GetMethodID, | |
4704 | |
4705 jni_CallObjectMethod, | |
4706 jni_CallObjectMethodV, | |
4707 jni_CallObjectMethodA, | |
4708 jni_CallBooleanMethod, | |
4709 jni_CallBooleanMethodV, | |
4710 jni_CallBooleanMethodA, | |
4711 jni_CallByteMethod, | |
4712 jni_CallByteMethodV, | |
4713 jni_CallByteMethodA, | |
4714 jni_CallCharMethod, | |
4715 jni_CallCharMethodV, | |
4716 jni_CallCharMethodA, | |
4717 jni_CallShortMethod, | |
4718 jni_CallShortMethodV, | |
4719 jni_CallShortMethodA, | |
4720 jni_CallIntMethod, | |
4721 jni_CallIntMethodV, | |
4722 jni_CallIntMethodA, | |
4723 jni_CallLongMethod, | |
4724 jni_CallLongMethodV, | |
4725 jni_CallLongMethodA, | |
4726 jni_CallFloatMethod, | |
4727 jni_CallFloatMethodV, | |
4728 jni_CallFloatMethodA, | |
4729 jni_CallDoubleMethod, | |
4730 jni_CallDoubleMethodV, | |
4731 jni_CallDoubleMethodA, | |
4732 jni_CallVoidMethod, | |
4733 jni_CallVoidMethodV, | |
4734 jni_CallVoidMethodA, | |
4735 | |
4736 jni_CallNonvirtualObjectMethod, | |
4737 jni_CallNonvirtualObjectMethodV, | |
4738 jni_CallNonvirtualObjectMethodA, | |
4739 jni_CallNonvirtualBooleanMethod, | |
4740 jni_CallNonvirtualBooleanMethodV, | |
4741 jni_CallNonvirtualBooleanMethodA, | |
4742 jni_CallNonvirtualByteMethod, | |
4743 jni_CallNonvirtualByteMethodV, | |
4744 jni_CallNonvirtualByteMethodA, | |
4745 jni_CallNonvirtualCharMethod, | |
4746 jni_CallNonvirtualCharMethodV, | |
4747 jni_CallNonvirtualCharMethodA, | |
4748 jni_CallNonvirtualShortMethod, | |
4749 jni_CallNonvirtualShortMethodV, | |
4750 jni_CallNonvirtualShortMethodA, | |
4751 jni_CallNonvirtualIntMethod, | |
4752 jni_CallNonvirtualIntMethodV, | |
4753 jni_CallNonvirtualIntMethodA, | |
4754 jni_CallNonvirtualLongMethod, | |
4755 jni_CallNonvirtualLongMethodV, | |
4756 jni_CallNonvirtualLongMethodA, | |
4757 jni_CallNonvirtualFloatMethod, | |
4758 jni_CallNonvirtualFloatMethodV, | |
4759 jni_CallNonvirtualFloatMethodA, | |
4760 jni_CallNonvirtualDoubleMethod, | |
4761 jni_CallNonvirtualDoubleMethodV, | |
4762 jni_CallNonvirtualDoubleMethodA, | |
4763 jni_CallNonvirtualVoidMethod, | |
4764 jni_CallNonvirtualVoidMethodV, | |
4765 jni_CallNonvirtualVoidMethodA, | |
4766 | |
4767 jni_GetFieldID, | |
4768 | |
4769 jni_GetObjectField, | |
4770 jni_GetBooleanField, | |
4771 jni_GetByteField, | |
4772 jni_GetCharField, | |
4773 jni_GetShortField, | |
4774 jni_GetIntField, | |
4775 jni_GetLongField, | |
4776 jni_GetFloatField, | |
4777 jni_GetDoubleField, | |
4778 | |
4779 jni_SetObjectField, | |
4780 jni_SetBooleanField, | |
4781 jni_SetByteField, | |
4782 jni_SetCharField, | |
4783 jni_SetShortField, | |
4784 jni_SetIntField, | |
4785 jni_SetLongField, | |
4786 jni_SetFloatField, | |
4787 jni_SetDoubleField, | |
4788 | |
4789 jni_GetStaticMethodID, | |
4790 | |
4791 jni_CallStaticObjectMethod, | |
4792 jni_CallStaticObjectMethodV, | |
4793 jni_CallStaticObjectMethodA, | |
4794 jni_CallStaticBooleanMethod, | |
4795 jni_CallStaticBooleanMethodV, | |
4796 jni_CallStaticBooleanMethodA, | |
4797 jni_CallStaticByteMethod, | |
4798 jni_CallStaticByteMethodV, | |
4799 jni_CallStaticByteMethodA, | |
4800 jni_CallStaticCharMethod, | |
4801 jni_CallStaticCharMethodV, | |
4802 jni_CallStaticCharMethodA, | |
4803 jni_CallStaticShortMethod, | |
4804 jni_CallStaticShortMethodV, | |
4805 jni_CallStaticShortMethodA, | |
4806 jni_CallStaticIntMethod, | |
4807 jni_CallStaticIntMethodV, | |
4808 jni_CallStaticIntMethodA, | |
4809 jni_CallStaticLongMethod, | |
4810 jni_CallStaticLongMethodV, | |
4811 jni_CallStaticLongMethodA, | |
4812 jni_CallStaticFloatMethod, | |
4813 jni_CallStaticFloatMethodV, | |
4814 jni_CallStaticFloatMethodA, | |
4815 jni_CallStaticDoubleMethod, | |
4816 jni_CallStaticDoubleMethodV, | |
4817 jni_CallStaticDoubleMethodA, | |
4818 jni_CallStaticVoidMethod, | |
4819 jni_CallStaticVoidMethodV, | |
4820 jni_CallStaticVoidMethodA, | |
4821 | |
4822 jni_GetStaticFieldID, | |
4823 | |
4824 jni_GetStaticObjectField, | |
4825 jni_GetStaticBooleanField, | |
4826 jni_GetStaticByteField, | |
4827 jni_GetStaticCharField, | |
4828 jni_GetStaticShortField, | |
4829 jni_GetStaticIntField, | |
4830 jni_GetStaticLongField, | |
4831 jni_GetStaticFloatField, | |
4832 jni_GetStaticDoubleField, | |
4833 | |
4834 jni_SetStaticObjectField, | |
4835 jni_SetStaticBooleanField, | |
4836 jni_SetStaticByteField, | |
4837 jni_SetStaticCharField, | |
4838 jni_SetStaticShortField, | |
4839 jni_SetStaticIntField, | |
4840 jni_SetStaticLongField, | |
4841 jni_SetStaticFloatField, | |
4842 jni_SetStaticDoubleField, | |
4843 | |
4844 jni_NewString, | |
4845 jni_GetStringLength, | |
4846 jni_GetStringChars, | |
4847 jni_ReleaseStringChars, | |
4848 | |
4849 jni_NewStringUTF, | |
4850 jni_GetStringUTFLength, | |
4851 jni_GetStringUTFChars, | |
4852 jni_ReleaseStringUTFChars, | |
4853 | |
4854 jni_GetArrayLength, | |
4855 | |
4856 jni_NewObjectArray, | |
4857 jni_GetObjectArrayElement, | |
4858 jni_SetObjectArrayElement, | |
4859 | |
4860 jni_NewBooleanArray, | |
4861 jni_NewByteArray, | |
4862 jni_NewCharArray, | |
4863 jni_NewShortArray, | |
4864 jni_NewIntArray, | |
4865 jni_NewLongArray, | |
4866 jni_NewFloatArray, | |
4867 jni_NewDoubleArray, | |
4868 | |
4869 jni_GetBooleanArrayElements, | |
4870 jni_GetByteArrayElements, | |
4871 jni_GetCharArrayElements, | |
4872 jni_GetShortArrayElements, | |
4873 jni_GetIntArrayElements, | |
4874 jni_GetLongArrayElements, | |
4875 jni_GetFloatArrayElements, | |
4876 jni_GetDoubleArrayElements, | |
4877 | |
4878 jni_ReleaseBooleanArrayElements, | |
4879 jni_ReleaseByteArrayElements, | |
4880 jni_ReleaseCharArrayElements, | |
4881 jni_ReleaseShortArrayElements, | |
4882 jni_ReleaseIntArrayElements, | |
4883 jni_ReleaseLongArrayElements, | |
4884 jni_ReleaseFloatArrayElements, | |
4885 jni_ReleaseDoubleArrayElements, | |
4886 | |
4887 jni_GetBooleanArrayRegion, | |
4888 jni_GetByteArrayRegion, | |
4889 jni_GetCharArrayRegion, | |
4890 jni_GetShortArrayRegion, | |
4891 jni_GetIntArrayRegion, | |
4892 jni_GetLongArrayRegion, | |
4893 jni_GetFloatArrayRegion, | |
4894 jni_GetDoubleArrayRegion, | |
4895 | |
4896 jni_SetBooleanArrayRegion, | |
4897 jni_SetByteArrayRegion, | |
4898 jni_SetCharArrayRegion, | |
4899 jni_SetShortArrayRegion, | |
4900 jni_SetIntArrayRegion, | |
4901 jni_SetLongArrayRegion, | |
4902 jni_SetFloatArrayRegion, | |
4903 jni_SetDoubleArrayRegion, | |
4904 | |
4905 jni_RegisterNatives, | |
4906 jni_UnregisterNatives, | |
4907 | |
4908 jni_MonitorEnter, | |
4909 jni_MonitorExit, | |
4910 | |
4911 jni_GetJavaVM, | |
4912 | |
4913 jni_GetStringRegion, | |
4914 jni_GetStringUTFRegion, | |
4915 | |
4916 jni_GetPrimitiveArrayCritical, | |
4917 jni_ReleasePrimitiveArrayCritical, | |
4918 | |
4919 jni_GetStringCritical, | |
4920 jni_ReleaseStringCritical, | |
4921 | |
4922 jni_NewWeakGlobalRef, | |
4923 jni_DeleteWeakGlobalRef, | |
4924 | |
4925 jni_ExceptionCheck, | |
4926 | |
4927 jni_NewDirectByteBuffer, | |
4928 jni_GetDirectBufferAddress, | |
4929 jni_GetDirectBufferCapacity, | |
4930 | |
4931 // New 1_6 features | |
4932 | |
4933 jni_GetObjectRefType | |
4934 }; | |
4935 | |
4936 | |
4937 // For jvmti use to modify jni function table. | |
4938 // Java threads in native contiues to run until it is transitioned | |
4939 // to VM at safepoint. Before the transition or before it is blocked | |
4940 // for safepoint it may access jni function table. VM could crash if | |
4941 // any java thread access the jni function table in the middle of memcpy. | |
4942 // To avoid this each function pointers are copied automically. | |
4943 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
4944 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
4945 intptr_t *a = (intptr_t *) jni_functions(); | |
4946 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
4947 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
4948 Atomic::store_ptr(*b++, a++); | |
4949 } | |
4950 } | |
4951 | |
4952 void quicken_jni_functions() { | |
4953 // Replace Get<Primitive>Field with fast versions | |
4954 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
4955 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
4956 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
4957 // windows x86 currently needs SEH wrapper and the gain of the fast | |
4958 // versions currently isn't certain for server vm on uniprocessor. | |
4959 && os::is_MP() | |
4960 #endif | |
4961 ) { | |
4962 address func; | |
4963 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
4964 if (func != (address)-1) { | |
4965 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
4966 } | |
4967 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
4968 if (func != (address)-1) { | |
4969 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
4970 } | |
4971 func = JNI_FastGetField::generate_fast_get_char_field(); | |
4972 if (func != (address)-1) { | |
4973 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
4974 } | |
4975 func = JNI_FastGetField::generate_fast_get_short_field(); | |
4976 if (func != (address)-1) { | |
4977 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
4978 } | |
4979 func = JNI_FastGetField::generate_fast_get_int_field(); | |
4980 if (func != (address)-1) { | |
4981 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
4982 } | |
4983 func = JNI_FastGetField::generate_fast_get_long_field(); | |
4984 if (func != (address)-1) { | |
4985 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
4986 } | |
4987 func = JNI_FastGetField::generate_fast_get_float_field(); | |
4988 if (func != (address)-1) { | |
4989 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
4990 } | |
4991 func = JNI_FastGetField::generate_fast_get_double_field(); | |
4992 if (func != (address)-1) { | |
4993 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
4994 } | |
4995 } | |
4996 } | |
4997 | |
4998 // Returns the function structure | |
4999 struct JNINativeInterface_* jni_functions() { | |
6854
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parents:
6725
diff
changeset
|
5000 #if INCLUDE_JNI_CHECK |
0 | 5001 if (CheckJNICalls) return jni_functions_check(); |
6854
fb19af007ffc
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parents:
6725
diff
changeset
|
5002 #endif // INCLUDE_JNI_CHECK |
0 | 5003 return &jni_NativeInterface; |
5004 } | |
5005 | |
5006 // Returns the function structure | |
5007 struct JNINativeInterface_* jni_functions_nocheck() { | |
5008 return &jni_NativeInterface; | |
5009 } | |
5010 | |
5011 | |
5012 // Invocation API | |
5013 | |
5014 | |
5015 // Forward declaration | |
5016 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
5017 | |
5018 // Global invocation API vars | |
5019 volatile jint vm_created = 0; | |
5020 // Indicate whether it is safe to recreate VM | |
5021 volatile jint safe_to_recreate_vm = 1; | |
5022 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
5023 | |
5024 | |
5025 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
5026 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
5027 | |
4006 | 5028 #ifndef USDT2 |
0 | 5029 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
5030 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
4006 | 5031 #else /* USDT2 */ |
5032 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
5033 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
5034 #endif /* USDT2 */ | |
0 | 5035 |
5036 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
4006 | 5037 #ifndef USDT2 |
0 | 5038 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
4006 | 5039 #else /* USDT2 */ |
5040 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
5041 args_); | |
5042 #endif /* USDT2 */ | |
0 | 5043 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
5044 jint ret = JNI_ERR; | |
5045 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
5046 | |
5047 if (Threads::is_supported_jni_version(args->version)) { | |
5048 ret = JNI_OK; | |
5049 } | |
5050 // 1.1 style no longer supported in hotspot. | |
5051 // According the JNI spec, we should update args->version on return. | |
5052 // We also use the structure to communicate with launcher about default | |
5053 // stack size. | |
5054 if (args->version == JNI_VERSION_1_1) { | |
5055 args->version = JNI_VERSION_1_2; | |
5056 // javaStackSize is int in arguments structure | |
5057 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
5058 args->javaStackSize = (jint)(ThreadStackSize * K); | |
5059 } | |
5060 return ret; | |
5061 } | |
5062 | |
3779 | 5063 #ifndef PRODUCT |
5064 | |
10405 | 5065 #include "gc_implementation/shared/gcTimer.hpp" |
4708 | 5066 #include "gc_interface/collectedHeap.hpp" |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5067 #if INCLUDE_ALL_GCS |
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5068 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5069 #endif |
3779 | 5070 #include "utilities/quickSort.hpp" |
12215 | 5071 #include "utilities/ostream.hpp" |
7171 | 5072 #if INCLUDE_VM_STRUCTS |
5073 #include "runtime/vmStructs.hpp" | |
5074 #endif | |
3779 | 5075 |
4708 | 5076 #define run_unit_test(unit_test_function_call) \ |
5077 tty->print_cr("Running test: " #unit_test_function_call); \ | |
5078 unit_test_function_call | |
5079 | |
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5080 // Forward declaration |
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5081 void TestReservedSpace_test(); |
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5082 void TestReserveMemorySpecial_test(); |
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5083 void TestVirtualSpace_test(); |
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5084 void TestMetaspaceAux_test(); |
12902 | 5085 void TestMetachunk_test(); |
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
5086 void TestVirtualSpaceNode_test(); |
17898
1d01a7f3a336
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
17829
diff
changeset
|
5087 void TestNewSize_test(); |
17694 | 5088 #if INCLUDE_ALL_GCS |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
12979
diff
changeset
|
5089 void TestOldFreeSpaceCalculation_test(); |
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5090 void TestG1BiasedArray_test(); |
17753
191174b49bec
8035406: Improve data structure for Code Cache remembered sets
tschatzl
parents:
17704
diff
changeset
|
5091 void TestCodeCacheRemSet_test(); |
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5092 #endif |
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5093 |
3779 | 5094 void execute_internal_vm_tests() { |
5095 if (ExecuteInternalVMTests) { | |
4708 | 5096 tty->print_cr("Running internal VM tests"); |
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5097 run_unit_test(TestReservedSpace_test()); |
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5098 run_unit_test(TestReserveMemorySpecial_test()); |
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5099 run_unit_test(TestVirtualSpace_test()); |
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5100 run_unit_test(TestMetaspaceAux_test()); |
12902 | 5101 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
|
5102 run_unit_test(TestVirtualSpaceNode_test()); |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
5103 run_unit_test(GlobalDefinitions::test_globals()); |
10405 | 5104 run_unit_test(GCTimerAllTest::all()); |
4708 | 5105 run_unit_test(arrayOopDesc::test_max_array_length()); |
5106 run_unit_test(CollectedHeap::test_is_in()); | |
5107 run_unit_test(QuickSort::test_quick_sort()); | |
6162 | 5108 run_unit_test(AltHashing::test_alt_hash()); |
12215 | 5109 run_unit_test(test_loggc_filename()); |
17898
1d01a7f3a336
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
17829
diff
changeset
|
5110 run_unit_test(TestNewSize_test()); |
7171 | 5111 #if INCLUDE_VM_STRUCTS |
5112 run_unit_test(VMStructs::test()); | |
5113 #endif | |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5114 #if INCLUDE_ALL_GCS |
17694 | 5115 run_unit_test(TestOldFreeSpaceCalculation_test()); |
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5116 run_unit_test(TestG1BiasedArray_test()); |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5117 run_unit_test(HeapRegionRemSet::test_prt()); |
17753
191174b49bec
8035406: Improve data structure for Code Cache remembered sets
tschatzl
parents:
17704
diff
changeset
|
5118 run_unit_test(TestCodeCacheRemSet_test()); |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5119 #endif |
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5120 tty->print_cr("All internal VM tests passed"); |
3779 | 5121 } |
5122 } | |
5123 | |
4708 | 5124 #undef run_unit_test |
5125 | |
3779 | 5126 #endif |
5127 | |
4006 | 5128 #ifndef USDT2 |
0 | 5129 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
5130 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
4006 | 5131 #else /* USDT2 */ |
5132 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
5133 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
5134 #endif /* USDT2 */ | |
0 | 5135 |
5136 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
4006 | 5137 #ifndef USDT2 |
0 | 5138 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
4006 | 5139 #else /* USDT2 */ |
5140 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
5141 (void **) vm, penv, args); | |
5142 #endif /* USDT2 */ | |
0 | 5143 |
5144 jint result = JNI_ERR; | |
5145 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
5146 | |
1078 | 5147 // We're about to use Atomic::xchg for synchronization. Some Zero |
5148 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
5149 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
5150 // on all architectures. So we check it works before relying on it. | |
5151 #if defined(ZERO) && defined(ASSERT) | |
5152 { | |
5153 jint a = 0xcafebabe; | |
5154 jint b = Atomic::xchg(0xdeadbeef, &a); | |
5155 void *c = &a; | |
5156 void *d = Atomic::xchg_ptr(&b, &c); | |
1132 | 5157 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
1078 | 5158 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
5159 } | |
5160 #endif // ZERO && ASSERT | |
5161 | |
0 | 5162 // At the moment it's only possible to have one Java VM, |
5163 // since some of the runtime state is in global variables. | |
5164 | |
5165 // We cannot use our mutex locks here, since they only work on | |
5166 // Threads. We do an atomic compare and exchange to ensure only | |
5167 // one thread can call this method at a time | |
5168 | |
5169 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
5170 // the add/dec implementations are dependent on whether we are running | |
5171 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
5172 // function used to determine this will always return false. Atomic::xchg | |
5173 // does not have this problem. | |
5174 if (Atomic::xchg(1, &vm_created) == 1) { | |
11089
f323bbb0e6c1
8019833: Wrong JNI error code for preexisting JVM
coleenp
parents:
11059
diff
changeset
|
5175 return JNI_EEXIST; // already created, or create attempt in progress |
0 | 5176 } |
5177 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
5178 return JNI_ERR; // someone tried and failed and retry not allowed. | |
5179 } | |
5180 | |
5181 assert(vm_created == 1, "vm_created is true during the creation"); | |
5182 | |
5183 /** | |
5184 * Certain errors during initialization are recoverable and do not | |
5185 * prevent this method from being called again at a later time | |
5186 * (perhaps with different arguments). However, at a certain | |
5187 * point during initialization if an error occurs we cannot allow | |
5188 * this function to be called again (or it will crash). In those | |
5189 * situations, the 'canTryAgain' flag is set to false, which atomically | |
5190 * sets safe_to_recreate_vm to 1, such that any new call to | |
5191 * JNI_CreateJavaVM will immediately fail using the above logic. | |
5192 */ | |
5193 bool can_try_again = true; | |
5194 | |
5195 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
5196 if (result == JNI_OK) { | |
5197 JavaThread *thread = JavaThread::current(); | |
5198 /* thread is thread_in_vm here */ | |
5199 *vm = (JavaVM *)(&main_vm); | |
5200 *(JNIEnv**)penv = thread->jni_environment(); | |
5201 | |
18134
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5202 #if defined(GRAAL) && !defined(PRODUCT) |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5203 // We turn off CompileTheWorld so that compilation requests are not ignored during bootstrap or that Graal can be compiled by C1/C2. |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5204 bool doCTW = CompileTheWorld; |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5205 CompileTheWorld = false; |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5206 #endif |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5207 |
15582
063ec2920d21
made Graal runtime initialization in hosted mode lazy
Doug Simon <doug.simon@oracle.com>
parents:
15463
diff
changeset
|
5208 #ifdef COMPILERGRAAL |
16399
4481cf549cfc
removed (Java based) CompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
16143
diff
changeset
|
5209 // Graal is initialized on a CompilerThread |
4481cf549cfc
removed (Java based) CompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
16143
diff
changeset
|
5210 if (FLAG_IS_DEFAULT(BootstrapGraal) ? !TieredCompilation : BootstrapGraal) { |
4481cf549cfc
removed (Java based) CompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
16143
diff
changeset
|
5211 GraalCompiler::instance()->bootstrap(); |
13174
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
5212 } |
18134
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5213 #elif defined(GRAAL) && !defined(PRODUCT) |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5214 if (doCTW) { |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5215 // required for hosted CTW. |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5216 CompilationPolicy::completed_vm_startup(); |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5217 } |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5218 #endif |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5219 |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5220 #if defined(GRAAL) && !defined(PRODUCT) |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5221 if (doCTW) { |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5222 GraalCompiler::instance()->compile_the_world(); |
6a2f814224b1
hotspot/graal: simplify CTW logic. now, the following configurations are supported:
Bernhard Urban <bernhard.urban@jku.at>
parents:
18041
diff
changeset
|
5223 } |
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5224 #endif |
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5225 |
0 | 5226 // Tracks the time application was running before GC |
5227 RuntimeService::record_application_start(); | |
5228 | |
5229 // Notify JVMTI | |
5230 if (JvmtiExport::should_post_thread_life()) { | |
5231 JvmtiExport::post_thread_start(thread); | |
5232 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5233 |
10405 | 5234 EventThreadStart event; |
5235 if (event.should_commit()) { | |
5236 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
5237 event.commit(); | |
5238 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5239 |
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5240 #ifndef PRODUCT |
17829
0118c8c7b80f
8038633: crash in VM_Version::get_processor_features() on startup
kvn
parents:
17753
diff
changeset
|
5241 #ifndef CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED |
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5242 #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
|
5243 #endif |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5244 |
0 | 5245 // 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
|
5246 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
|
5247 if (ReplayCompiles) ciReplay::replay(thread); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5248 |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5249 // 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
|
5250 // 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
|
5251 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
|
5252 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
|
5253 #endif |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5254 |
0 | 5255 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
5256 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5257 } else { | |
5258 if (can_try_again) { | |
5259 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
5260 safe_to_recreate_vm = 1; | |
5261 } | |
5262 | |
5263 // Creation failed. We must reset vm_created | |
5264 *vm = 0; | |
5265 *(JNIEnv**)penv = 0; | |
5266 // reset vm_created last to avoid race condition. Use OrderAccess to | |
5267 // control both compiler and architectural-based reordering. | |
5268 OrderAccess::release_store(&vm_created, 0); | |
5269 } | |
5270 | |
5271 return result; | |
5272 } | |
5273 | |
4006 | 5274 #ifndef USDT2 |
0 | 5275 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5276 JavaVM**, jsize, jsize*); | |
5277 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
4006 | 5278 #endif /* !USDT2 */ |
0 | 5279 |
5280 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
5281 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
5282 // JNIWrapper("GetCreatedJavaVMs"); | |
4006 | 5283 #ifndef USDT2 |
0 | 5284 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5285 vm_buf, bufLen, numVMs); | |
4006 | 5286 #else /* USDT2 */ |
5287 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
5288 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
5289 #endif /* USDT2 */ | |
0 | 5290 if (vm_created) { |
5291 if (numVMs != NULL) *numVMs = 1; | |
5292 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
5293 } else { | |
5294 if (numVMs != NULL) *numVMs = 0; | |
5295 } | |
4006 | 5296 #ifndef USDT2 |
0 | 5297 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
4006 | 5298 #else /* USDT2 */ |
5299 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
5300 JNI_OK); | |
5301 #endif /* USDT2 */ | |
0 | 5302 return JNI_OK; |
5303 } | |
5304 | |
5305 extern "C" { | |
5306 | |
4006 | 5307 #ifndef USDT2 |
0 | 5308 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
4006 | 5309 #else /* USDT2 */ |
5310 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
5311 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
5312 #endif /* USDT2 */ | |
0 | 5313 |
5314 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
4006 | 5315 #ifndef USDT2 |
0 | 5316 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
4006 | 5317 #else /* USDT2 */ |
5318 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
5319 vm); | |
5320 #endif /* USDT2 */ | |
0 | 5321 jint res = JNI_ERR; |
5322 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
5323 | |
5324 if (!vm_created) { | |
5325 res = JNI_ERR; | |
5326 return res; | |
5327 } | |
5328 | |
5329 JNIWrapper("DestroyJavaVM"); | |
5330 JNIEnv *env; | |
5331 JavaVMAttachArgs destroyargs; | |
5332 destroyargs.version = CurrentVersion; | |
5333 destroyargs.name = (char *)"DestroyJavaVM"; | |
5334 destroyargs.group = NULL; | |
5335 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
5336 if (res != JNI_OK) { | |
5337 return res; | |
5338 } | |
5339 | |
5340 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
5341 JavaThread* thread = JavaThread::current(); | |
5342 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5343 if (Threads::destroy_vm()) { | |
5344 // Should not change thread state, VM is gone | |
5345 vm_created = false; | |
5346 res = JNI_OK; | |
5347 return res; | |
5348 } else { | |
5349 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5350 res = JNI_ERR; | |
5351 return res; | |
5352 } | |
5353 } | |
5354 | |
5355 | |
5356 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
5357 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
5358 | |
5359 // Check below commented out from JDK1.2fcs as well | |
5360 /* | |
5361 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
5362 return JNI_EVERSION; | |
5363 } | |
5364 */ | |
5365 | |
5366 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
5367 if (t != NULL) { | |
5368 // If the thread has been attached this operation is a no-op | |
5369 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
5370 return JNI_OK; | |
5371 } | |
5372 | |
5373 // Create a thread and mark it as attaching so it will be skipped by the | |
5374 // ThreadsListEnumerator - see CR 6404306 | |
5375 JavaThread* thread = new JavaThread(true); | |
5376 | |
5377 // Set correct safepoint info. The thread is going to call into Java when | |
5378 // initializing the Java level thread object. Hence, the correct state must | |
5379 // be set in order for the Safepoint code to deal with it correctly. | |
5380 thread->set_thread_state(_thread_in_vm); | |
5381 // Must do this before initialize_thread_local_storage | |
5382 thread->record_stack_base_and_size(); | |
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5383 |
0 | 5384 thread->initialize_thread_local_storage(); |
5385 | |
5386 if (!os::create_attached_thread(thread)) { | |
5387 delete thread; | |
5388 return JNI_ERR; | |
5389 } | |
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5390 // Enable stack overflow checks |
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5391 thread->create_stack_guard_pages(); |
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5392 |
0 | 5393 thread->initialize_tlab(); |
5394 | |
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5395 thread->cache_global_variables(); |
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5396 |
0 | 5397 // Crucial that we do not have a safepoint check for this thread, since it has |
5398 // not been added to the Thread list yet. | |
5399 { Threads_lock->lock_without_safepoint_check(); | |
5400 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
5401 // avoid this thread trying to do a GC before it is added to the thread-list | |
5402 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
5403 Threads::add(thread, daemon); | |
5404 Threads_lock->unlock(); | |
5405 } | |
5406 // Create thread group and name info from attach arguments | |
5407 oop group = NULL; | |
5408 char* thread_name = NULL; | |
5409 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
5410 group = JNIHandles::resolve(args->group); | |
5411 thread_name = args->name; // may be NULL | |
5412 } | |
5413 if (group == NULL) group = Universe::main_thread_group(); | |
5414 | |
5415 // Create Java level thread object and attach it to this thread | |
5416 bool attach_failed = false; | |
5417 { | |
5418 EXCEPTION_MARK; | |
5419 HandleMark hm(THREAD); | |
5420 Handle thread_group(THREAD, group); | |
5421 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
5422 if (HAS_PENDING_EXCEPTION) { | |
5423 CLEAR_PENDING_EXCEPTION; | |
5424 // cleanup outside the handle mark. | |
5425 attach_failed = true; | |
5426 } | |
5427 } | |
5428 | |
5429 if (attach_failed) { | |
5430 // Added missing cleanup | |
5431 thread->cleanup_failed_attach_current_thread(); | |
5432 return JNI_ERR; | |
5433 } | |
5434 | |
5435 // mark the thread as no longer attaching | |
5436 // this uses a fence to push the change through so we don't have | |
5437 // to regrab the threads_lock | |
4006 | 5438 thread->set_done_attaching_via_jni(); |
0 | 5439 |
5440 // Set java thread status. | |
5441 java_lang_Thread::set_thread_status(thread->threadObj(), | |
5442 java_lang_Thread::RUNNABLE); | |
5443 | |
5444 // Notify the debugger | |
5445 if (JvmtiExport::should_post_thread_life()) { | |
5446 JvmtiExport::post_thread_start(thread); | |
5447 } | |
5448 | |
10405 | 5449 EventThreadStart event; |
5450 if (event.should_commit()) { | |
5451 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
5452 event.commit(); | |
5453 } | |
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5454 |
0 | 5455 *(JNIEnv**)penv = thread->jni_environment(); |
5456 | |
5457 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
5458 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
5459 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
5460 // needed. | |
5461 | |
5462 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5463 | |
5464 // Perform any platform dependent FPU setup | |
5465 os::setup_fpu(); | |
5466 | |
5467 return JNI_OK; | |
5468 } | |
5469 | |
5470 | |
5471 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5472 #ifndef USDT2 |
0 | 5473 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
4006 | 5474 #else /* USDT2 */ |
5475 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
5476 vm, penv, _args); | |
5477 #endif /* USDT2 */ | |
0 | 5478 if (!vm_created) { |
4006 | 5479 #ifndef USDT2 |
0 | 5480 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
4006 | 5481 #else /* USDT2 */ |
5482 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5483 (uint32_t) JNI_ERR); | |
5484 #endif /* USDT2 */ | |
0 | 5485 return JNI_ERR; |
5486 } | |
5487 | |
5488 JNIWrapper("AttachCurrentThread"); | |
5489 jint ret = attach_current_thread(vm, penv, _args, false); | |
4006 | 5490 #ifndef USDT2 |
0 | 5491 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
4006 | 5492 #else /* USDT2 */ |
5493 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5494 ret); | |
5495 #endif /* USDT2 */ | |
0 | 5496 return ret; |
5497 } | |
5498 | |
5499 | |
5500 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
4006 | 5501 #ifndef USDT2 |
0 | 5502 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
4006 | 5503 #else /* USDT2 */ |
5504 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
5505 vm); | |
5506 #endif /* USDT2 */ | |
0 | 5507 VM_Exit::block_if_vm_exited(); |
5508 | |
5509 JNIWrapper("DetachCurrentThread"); | |
5510 | |
5511 // If the thread has been deattacted the operations is a no-op | |
5512 if (ThreadLocalStorage::thread() == NULL) { | |
4006 | 5513 #ifndef USDT2 |
0 | 5514 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5515 #else /* USDT2 */ |
5516 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5517 JNI_OK); | |
5518 #endif /* USDT2 */ | |
0 | 5519 return JNI_OK; |
5520 } | |
5521 | |
5522 JavaThread* thread = JavaThread::current(); | |
5523 if (thread->has_last_Java_frame()) { | |
4006 | 5524 #ifndef USDT2 |
0 | 5525 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
4006 | 5526 #else /* USDT2 */ |
5527 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5528 (uint32_t) JNI_ERR); | |
5529 #endif /* USDT2 */ | |
0 | 5530 // Can't detach a thread that's running java, that can't work. |
5531 return JNI_ERR; | |
5532 } | |
5533 | |
5534 // Safepoint support. Have to do call-back to safepoint code, if in the | |
5535 // middel of a safepoint operation | |
5536 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5537 | |
5538 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
5539 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
5540 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
5541 // of the guards is visible in jni_AttachCurrentThread above, | |
5542 // the removal of the guards is buried below in JavaThread::exit() | |
5543 // here. The abstraction should be more symmetrically either exposed | |
5544 // or hidden (e.g. it could probably be hidden in the same | |
5545 // (platform-dependent) methods where we do alternate stack | |
5546 // maintenance work?) | |
5547 thread->exit(false, JavaThread::jni_detach); | |
5548 delete thread; | |
5549 | |
4006 | 5550 #ifndef USDT2 |
0 | 5551 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5552 #else /* USDT2 */ |
5553 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5554 JNI_OK); | |
5555 #endif /* USDT2 */ | |
0 | 5556 return JNI_OK; |
5557 } | |
5558 | |
4006 | 5559 #ifndef USDT2 |
0 | 5560 DT_RETURN_MARK_DECL(GetEnv, jint); |
4006 | 5561 #else /* USDT2 */ |
5562 DT_RETURN_MARK_DECL(GetEnv, jint | |
5563 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
5564 #endif /* USDT2 */ | |
0 | 5565 |
5566 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
4006 | 5567 #ifndef USDT2 |
0 | 5568 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
4006 | 5569 #else /* USDT2 */ |
5570 HOTSPOT_JNI_GETENV_ENTRY( | |
5571 vm, penv, version); | |
5572 #endif /* USDT2 */ | |
0 | 5573 jint ret = JNI_ERR; |
5574 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
5575 | |
5576 if (!vm_created) { | |
5577 *penv = NULL; | |
5578 ret = JNI_EDETACHED; | |
5579 return ret; | |
5580 } | |
5581 | |
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5582 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
0 | 5583 return ret; |
5584 } | |
5585 | |
5586 #ifndef JVMPI_VERSION_1 | |
5587 // need these in order to be polite about older agents | |
5588 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
5589 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
5590 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
5591 #endif // !JVMPI_VERSION_1 | |
5592 | |
5593 Thread* thread = ThreadLocalStorage::thread(); | |
5594 if (thread != NULL && thread->is_Java_thread()) { | |
5595 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
5596 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
5597 ret = JNI_OK; | |
5598 return ret; | |
5599 | |
5600 } else if (version == JVMPI_VERSION_1 || | |
5601 version == JVMPI_VERSION_1_1 || | |
5602 version == JVMPI_VERSION_1_2) { | |
5603 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
5604 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5605 ret = JNI_EVERSION; | |
5606 return ret; | |
5607 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
5608 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
5609 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5610 ret = JNI_EVERSION; | |
5611 return ret; | |
5612 } else { | |
5613 *penv = NULL; | |
5614 ret = JNI_EVERSION; | |
5615 return ret; | |
5616 } | |
5617 } else { | |
5618 *penv = NULL; | |
5619 ret = JNI_EDETACHED; | |
5620 return ret; | |
5621 } | |
5622 } | |
5623 | |
5624 | |
5625 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5626 #ifndef USDT2 |
0 | 5627 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
4006 | 5628 #else /* USDT2 */ |
5629 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
5630 vm, penv, _args); | |
5631 #endif /* USDT2 */ | |
0 | 5632 if (!vm_created) { |
4006 | 5633 #ifndef USDT2 |
0 | 5634 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
4006 | 5635 #else /* USDT2 */ |
5636 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5637 (uint32_t) JNI_ERR); | |
5638 #endif /* USDT2 */ | |
0 | 5639 return JNI_ERR; |
5640 } | |
5641 | |
5642 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
5643 jint ret = attach_current_thread(vm, penv, _args, true); | |
4006 | 5644 #ifndef USDT2 |
0 | 5645 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
4006 | 5646 #else /* USDT2 */ |
5647 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5648 ret); | |
5649 #endif /* USDT2 */ | |
0 | 5650 return ret; |
5651 } | |
5652 | |
5653 | |
5654 } // End extern "C" | |
5655 | |
5656 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
5657 NULL, | |
5658 NULL, | |
5659 NULL, | |
5660 | |
5661 jni_DestroyJavaVM, | |
5662 jni_AttachCurrentThread, | |
5663 jni_DetachCurrentThread, | |
5664 jni_GetEnv, | |
5665 jni_AttachCurrentThreadAsDaemon | |
5666 }; |