Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 7068:263bc2349f15
removed high-level interpreter code from HotSpot
fixed VS2010 warnings and javac issues
author | Christian Haeubl <haeubl@ssw.jku.at> |
---|---|
date | Fri, 23 Nov 2012 14:08:03 +0100 |
parents | 2cb439954abf |
children | 35568cbc6a43 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
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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 #ifdef GRAAL |
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36 #include "graal/graalCompiler.hpp" |
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37 #endif |
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38 #ifndef SERIALGC |
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39 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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40 #endif // SERIALGC |
6197 | 41 #include "memory/allocation.hpp" |
1972 | 42 #include "memory/allocation.inline.hpp" |
43 #include "memory/gcLocker.inline.hpp" | |
44 #include "memory/oopFactory.hpp" | |
45 #include "memory/universe.inline.hpp" | |
46 #include "oops/instanceKlass.hpp" | |
47 #include "oops/instanceOop.hpp" | |
48 #include "oops/markOop.hpp" | |
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49 #include "oops/method.hpp" |
1972 | 50 #include "oops/objArrayKlass.hpp" |
51 #include "oops/objArrayOop.hpp" | |
52 #include "oops/oop.inline.hpp" | |
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53 #include "oops/symbol.hpp" |
1972 | 54 #include "oops/typeArrayKlass.hpp" |
55 #include "oops/typeArrayOop.hpp" | |
56 #include "prims/jni.h" | |
57 #include "prims/jniCheck.hpp" | |
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58 #include "prims/jniExport.hpp" |
1972 | 59 #include "prims/jniFastGetField.hpp" |
60 #include "prims/jvm.h" | |
61 #include "prims/jvm_misc.hpp" | |
62 #include "prims/jvmtiExport.hpp" | |
63 #include "prims/jvmtiThreadState.hpp" | |
64 #include "runtime/compilationPolicy.hpp" | |
65 #include "runtime/fieldDescriptor.hpp" | |
66 #include "runtime/fprofiler.hpp" | |
67 #include "runtime/handles.inline.hpp" | |
68 #include "runtime/interfaceSupport.hpp" | |
69 #include "runtime/java.hpp" | |
70 #include "runtime/javaCalls.hpp" | |
71 #include "runtime/jfieldIDWorkaround.hpp" | |
72 #include "runtime/reflection.hpp" | |
73 #include "runtime/sharedRuntime.hpp" | |
74 #include "runtime/signature.hpp" | |
75 #include "runtime/vm_operations.hpp" | |
76 #include "services/runtimeService.hpp" | |
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77 #include "trace/tracing.hpp" |
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78 #include "trace/traceEventTypes.hpp" |
1972 | 79 #include "utilities/defaultStream.hpp" |
80 #include "utilities/dtrace.hpp" | |
81 #include "utilities/events.hpp" | |
82 #include "utilities/histogram.hpp" | |
83 #ifdef TARGET_OS_FAMILY_linux | |
84 # include "os_linux.inline.hpp" | |
85 # include "thread_linux.inline.hpp" | |
86 #endif | |
87 #ifdef TARGET_OS_FAMILY_solaris | |
88 # include "os_solaris.inline.hpp" | |
89 # include "thread_solaris.inline.hpp" | |
90 #endif | |
91 #ifdef TARGET_OS_FAMILY_windows | |
92 # include "os_windows.inline.hpp" | |
93 # include "thread_windows.inline.hpp" | |
94 #endif | |
3960 | 95 #ifdef TARGET_OS_FAMILY_bsd |
96 # include "os_bsd.inline.hpp" | |
97 # include "thread_bsd.inline.hpp" | |
98 #endif | |
0 | 99 |
100 static jint CurrentVersion = JNI_VERSION_1_6; | |
101 | |
102 | |
103 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
104 // '-return' probe regardless of the return path is taken out of the function. | |
105 // Methods that have multiple return paths use this to avoid having to | |
106 // instrument each return path. Methods that use CHECK or THROW must use this | |
107 // since those macros can cause an immedate uninstrumented return. | |
108 // | |
109 // In order to get the return value, a reference to the variable containing | |
110 // the return value must be passed to the contructor of the object, and | |
111 // the return value must be set before return (since the mark object has | |
112 // a reference to it). | |
113 // | |
114 // Example: | |
115 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
116 // JNI_ENTRY(int, SomeFunc, ...) | |
117 // int return_value = 0; | |
118 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
119 // foo(CHECK_0) | |
120 // return_value = 5; | |
121 // return return_value; | |
122 // JNI_END | |
4006 | 123 #ifndef USDT2 |
0 | 124 #define DT_RETURN_MARK_DECL(name, type) \ |
125 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
126 DTRACE_ONLY( \ | |
127 class DTraceReturnProbeMark_##name { \ | |
128 public: \ | |
129 const type& _ret_ref; \ | |
130 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
131 ~DTraceReturnProbeMark_##name() { \ | |
132 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
133 } \ | |
134 } \ | |
135 ) | |
136 // Void functions are simpler since there's no return value | |
137 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
138 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
139 DTRACE_ONLY( \ | |
140 class DTraceReturnProbeMark_##name { \ | |
141 public: \ | |
142 ~DTraceReturnProbeMark_##name() { \ | |
143 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
144 } \ | |
145 } \ | |
146 ) | |
147 | |
4006 | 148 #else /* USDT2 */ |
149 | |
150 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
151 DTRACE_ONLY( \ | |
152 class DTraceReturnProbeMark_##name { \ | |
153 public: \ | |
154 const type& _ret_ref; \ | |
155 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
156 ~DTraceReturnProbeMark_##name() { \ | |
157 probe; \ | |
158 } \ | |
159 } \ | |
160 ) | |
161 // Void functions are simpler since there's no return value | |
162 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
163 DTRACE_ONLY( \ | |
164 class DTraceReturnProbeMark_##name { \ | |
165 public: \ | |
166 ~DTraceReturnProbeMark_##name() { \ | |
167 probe; \ | |
168 } \ | |
169 } \ | |
170 ) | |
171 #endif /* USDT2 */ | |
0 | 172 |
173 // Place these macros in the function to mark the return. Non-void | |
174 // functions need the type and address of the return value. | |
175 #define DT_RETURN_MARK(name, type, ref) \ | |
176 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
177 #define DT_VOID_RETURN_MARK(name) \ | |
178 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
179 | |
180 | |
181 // Use these to select distinct code for floating-point vs. non-floating point | |
182 // situations. Used from within common macros where we need slightly | |
183 // different behavior for Float/Double | |
184 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
185 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
186 #define FP_SELECT_Char(intcode, fpcode) intcode | |
187 #define FP_SELECT_Short(intcode, fpcode) intcode | |
188 #define FP_SELECT_Object(intcode, fpcode) intcode | |
189 #define FP_SELECT_Int(intcode, fpcode) intcode | |
190 #define FP_SELECT_Long(intcode, fpcode) intcode | |
191 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
192 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
193 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
194 FP_SELECT_##TypeName(intcode, fpcode) | |
195 | |
196 #define COMMA , | |
197 | |
198 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
199 // (dtrace doesn't do FP yet) | |
4006 | 200 #ifndef USDT2 |
0 | 201 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
202 FP_SELECT(TypeName, \ | |
203 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
4006 | 204 #else /* USDT2 */ |
205 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
206 FP_SELECT(TypeName, \ | |
207 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
208 #endif /* USDT2 */ | |
0 | 209 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
210 FP_SELECT(TypeName, \ | |
211 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
212 | |
213 | |
214 // out-of-line helpers for class jfieldIDWorkaround: | |
215 | |
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216 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
0 | 217 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
218 uintptr_t as_uint = (uintptr_t) id; | |
219 intptr_t offset = raw_instance_offset(id); | |
220 if (is_checked_jfieldID(id)) { | |
221 if (!klass_hash_ok(k, id)) { | |
222 return false; | |
223 } | |
224 } | |
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225 return InstanceKlass::cast(k)->contains_field_offset(offset); |
0 | 226 } else { |
227 JNIid* result = (JNIid*) id; | |
228 #ifdef ASSERT | |
229 return result != NULL && result->is_static_field_id(); | |
230 #else | |
231 return result != NULL; | |
232 #endif | |
233 } | |
234 } | |
235 | |
236 | |
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237 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
0 | 238 if (offset <= small_offset_mask) { |
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239 Klass* field_klass = k; |
6983 | 240 Klass* super_klass = field_klass->super(); |
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241 // With compressed oops the most super class with nonstatic fields would |
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242 // be the owner of fields embedded in the header. |
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243 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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244 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
0 | 245 field_klass = super_klass; // super contains the field also |
6983 | 246 super_klass = field_klass->super(); |
0 | 247 } |
248 debug_only(No_Safepoint_Verifier nosafepoint;) | |
249 uintptr_t klass_hash = field_klass->identity_hash(); | |
250 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
251 } else { | |
252 #if 0 | |
253 #ifndef PRODUCT | |
254 { | |
255 ResourceMark rm; | |
6983 | 256 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
0 | 257 } |
258 #endif | |
259 #endif | |
260 return 0; | |
261 } | |
262 } | |
263 | |
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264 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
0 | 265 uintptr_t as_uint = (uintptr_t) id; |
266 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
267 do { | |
268 debug_only(No_Safepoint_Verifier nosafepoint;) | |
269 // Could use a non-blocking query for identity_hash here... | |
270 if ((k->identity_hash() & klass_mask) == klass_hash) | |
271 return true; | |
6983 | 272 k = k->super(); |
0 | 273 } while (k != NULL); |
274 return false; | |
275 } | |
276 | |
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277 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
0 | 278 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
279 uintptr_t as_uint = (uintptr_t) id; | |
280 intptr_t offset = raw_instance_offset(id); | |
281 if (VerifyJNIFields) { | |
282 if (is_checked_jfieldID(id)) { | |
283 guarantee(klass_hash_ok(k, id), | |
284 "Bug in native code: jfieldID class must match object"); | |
285 } else { | |
286 #if 0 | |
287 #ifndef PRODUCT | |
288 if (Verbose) { | |
289 ResourceMark rm; | |
6983 | 290 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
0 | 291 } |
292 #endif | |
293 #endif | |
294 } | |
295 } | |
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296 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
0 | 297 "Bug in native code: jfieldID offset must address interior of object"); |
298 } | |
299 | |
300 // Pick a reasonable higher bound for local capacity requested | |
301 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
302 // high because a test (or very unusual application) may try to allocate | |
303 // that many handles and run out of swap space. An implementation is | |
304 // permitted to allocate more handles than the ensured capacity, so this | |
305 // value is set high enough to prevent compatibility problems. | |
306 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
307 | |
308 | |
309 // Wrapper to trace JNI functions | |
310 | |
311 #ifdef ASSERT | |
312 Histogram* JNIHistogram; | |
313 static volatile jint JNIHistogram_lock = 0; | |
314 | |
315 class JNITraceWrapper : public StackObj { | |
316 public: | |
317 JNITraceWrapper(const char* format, ...) { | |
318 if (TraceJNICalls) { | |
319 va_list ap; | |
320 va_start(ap, format); | |
321 tty->print("JNI "); | |
322 tty->vprint_cr(format, ap); | |
323 va_end(ap); | |
324 } | |
325 } | |
326 }; | |
327 | |
328 class JNIHistogramElement : public HistogramElement { | |
329 public: | |
330 JNIHistogramElement(const char* name); | |
331 }; | |
332 | |
333 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
334 _name = elementName; | |
335 uintx count = 0; | |
336 | |
337 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
338 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
339 count +=1; | |
340 if ( (WarnOnStalledSpinLock > 0) | |
341 && (count % WarnOnStalledSpinLock == 0)) { | |
342 warning("JNIHistogram_lock seems to be stalled"); | |
343 } | |
344 } | |
345 } | |
346 | |
347 | |
348 if(JNIHistogram == NULL) | |
349 JNIHistogram = new Histogram("JNI Call Counts",100); | |
350 | |
351 JNIHistogram->add_element(this); | |
352 Atomic::dec(&JNIHistogram_lock); | |
353 } | |
354 | |
355 #define JNICountWrapper(arg) \ | |
356 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
357 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
358 if (e != NULL) e->increment_count() | |
359 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
360 #else | |
361 #define JNIWrapper(arg) | |
362 #endif | |
363 | |
364 | |
365 // Implementation of JNI entries | |
366 | |
4006 | 367 #ifndef USDT2 |
0 | 368 DT_RETURN_MARK_DECL(DefineClass, jclass); |
4006 | 369 #else /* USDT2 */ |
370 DT_RETURN_MARK_DECL(DefineClass, jclass | |
371 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
372 #endif /* USDT2 */ | |
0 | 373 |
374 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
375 const jbyte *buf, jsize bufLen)) | |
376 JNIWrapper("DefineClass"); | |
377 | |
4006 | 378 #ifndef USDT2 |
0 | 379 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
380 env, name, loaderRef, buf, bufLen); | |
4006 | 381 #else /* USDT2 */ |
382 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
383 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
384 #endif /* USDT2 */ | |
0 | 385 jclass cls = NULL; |
386 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
387 | |
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388 TempNewSymbol class_name = NULL; |
0 | 389 // Since exceptions can be thrown, class initialization can take place |
390 // if name is NULL no check for class name in .class stream has to be made. | |
391 if (name != NULL) { | |
392 const int str_len = (int)strlen(name); | |
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393 if (str_len > Symbol::max_length()) { |
0 | 394 // It's impossible to create this class; the name cannot fit |
395 // into the constant pool. | |
396 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
397 } | |
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398 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 399 } |
400 ResourceMark rm(THREAD); | |
401 ClassFileStream st((u1*) buf, bufLen, NULL); | |
402 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
403 | |
404 if (UsePerfData && !class_loader.is_null()) { | |
405 // check whether the current caller thread holds the lock or not. | |
406 // If not, increment the corresponding counter | |
407 if (ObjectSynchronizer:: | |
408 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
409 ObjectSynchronizer::owner_self) { | |
410 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
411 } | |
412 } | |
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413 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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414 Handle(), &st, true, |
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415 CHECK_NULL); |
0 | 416 |
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417 if (TraceClassResolution && k != NULL) { |
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418 trace_class_resolution(k); |
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419 } |
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420 |
0 | 421 cls = (jclass)JNIHandles::make_local( |
6983 | 422 env, k->java_mirror()); |
0 | 423 return cls; |
424 JNI_END | |
425 | |
426 | |
427 | |
428 static bool first_time_FindClass = true; | |
429 | |
4006 | 430 #ifndef USDT2 |
0 | 431 DT_RETURN_MARK_DECL(FindClass, jclass); |
4006 | 432 #else /* USDT2 */ |
433 DT_RETURN_MARK_DECL(FindClass, jclass | |
434 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
435 #endif /* USDT2 */ | |
0 | 436 |
437 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
438 JNIWrapper("FindClass"); | |
4006 | 439 #ifndef USDT2 |
0 | 440 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
4006 | 441 #else /* USDT2 */ |
442 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
443 env, (char *)name); | |
444 #endif /* USDT2 */ | |
0 | 445 |
446 jclass result = NULL; | |
447 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
448 | |
449 // Remember if we are the first invocation of jni_FindClass | |
450 bool first_time = first_time_FindClass; | |
451 first_time_FindClass = false; | |
452 | |
453 // Sanity check the name: it cannot be null or larger than the maximum size | |
454 // name we can fit in the constant pool. | |
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455 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
0 | 456 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
457 } | |
458 | |
459 //%note jni_3 | |
460 Handle loader; | |
461 Handle protection_domain; | |
462 // Find calling class | |
463 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
464 if (k.not_null()) { | |
465 loader = Handle(THREAD, k->class_loader()); | |
466 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
467 // in the correct class context. | |
468 if (loader.is_null() && | |
469 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
470 JavaValue result(T_OBJECT); | |
471 JavaCalls::call_static(&result, k, | |
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472 vmSymbols::getFromClass_name(), |
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473 vmSymbols::void_class_signature(), |
0 | 474 thread); |
475 if (HAS_PENDING_EXCEPTION) { | |
476 Handle ex(thread, thread->pending_exception()); | |
477 CLEAR_PENDING_EXCEPTION; | |
478 THROW_HANDLE_0(ex); | |
479 } | |
480 oop mirror = (oop) result.get_jobject(); | |
481 loader = Handle(THREAD, | |
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482 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
0 | 483 protection_domain = Handle(THREAD, |
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484 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
0 | 485 } |
486 } else { | |
487 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
488 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
489 } | |
490 | |
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491 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 492 result = find_class_from_class_loader(env, sym, true, loader, |
493 protection_domain, true, thread); | |
494 | |
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495 if (TraceClassResolution && result != NULL) { |
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496 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
657
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497 } |
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498 |
0 | 499 // If we were the first invocation of jni_FindClass, we enable compilation again |
500 // rather than just allowing invocation counter to overflow and decay. | |
501 // Controlled by flag DelayCompilationDuringStartup. | |
502 if (first_time && !CompileTheWorld) | |
503 CompilationPolicy::completed_vm_startup(); | |
504 | |
505 return result; | |
506 JNI_END | |
507 | |
4006 | 508 #ifndef USDT2 |
0 | 509 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
4006 | 510 #else /* USDT2 */ |
511 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
512 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
513 #endif /* USDT2 */ | |
0 | 514 |
515 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
516 JNIWrapper("FromReflectedMethod"); | |
4006 | 517 #ifndef USDT2 |
0 | 518 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
4006 | 519 #else /* USDT2 */ |
520 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
521 env, method); | |
522 #endif /* USDT2 */ | |
0 | 523 jmethodID ret = NULL; |
524 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
525 | |
526 // method is a handle to a java.lang.reflect.Method object | |
527 oop reflected = JNIHandles::resolve_non_null(method); | |
528 oop mirror = NULL; | |
529 int slot = 0; | |
530 | |
1142 | 531 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
0 | 532 mirror = java_lang_reflect_Constructor::clazz(reflected); |
533 slot = java_lang_reflect_Constructor::slot(reflected); | |
534 } else { | |
1142 | 535 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
0 | 536 mirror = java_lang_reflect_Method::clazz(reflected); |
537 slot = java_lang_reflect_Method::slot(reflected); | |
538 } | |
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539 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 540 |
541 KlassHandle k1(THREAD, k); | |
542 // Make sure class is initialized before handing id's out to methods | |
6983 | 543 k1()->initialize(CHECK_NULL); |
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544 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
0 | 545 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
546 return ret; | |
547 JNI_END | |
548 | |
4006 | 549 #ifndef USDT2 |
0 | 550 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
4006 | 551 #else /* USDT2 */ |
552 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
553 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
554 #endif /* USDT2 */ | |
0 | 555 |
556 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
557 JNIWrapper("FromReflectedField"); | |
4006 | 558 #ifndef USDT2 |
0 | 559 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
4006 | 560 #else /* USDT2 */ |
561 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
562 env, field); | |
563 #endif /* USDT2 */ | |
0 | 564 jfieldID ret = NULL; |
565 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
566 | |
567 // field is a handle to a java.lang.reflect.Field object | |
568 oop reflected = JNIHandles::resolve_non_null(field); | |
569 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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570 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 571 int slot = java_lang_reflect_Field::slot(reflected); |
572 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
573 | |
574 KlassHandle k1(THREAD, k); | |
575 // Make sure class is initialized before handing id's out to fields | |
6983 | 576 k1()->initialize(CHECK_NULL); |
0 | 577 |
578 // First check if this is a static field | |
579 if (modifiers & JVM_ACC_STATIC) { | |
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580 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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581 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
0 | 582 assert(id != NULL, "corrupt Field object"); |
583 debug_only(id->set_is_static_field_id();) | |
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584 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
0 | 585 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
586 return ret; | |
587 } | |
588 | |
589 // The slot is the index of the field description in the field-array | |
590 // The jfieldID is the offset of the field within the object | |
591 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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592 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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593 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
0 | 594 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
595 return ret; | |
596 JNI_END | |
597 | |
4006 | 598 #ifndef USDT2 |
0 | 599 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
4006 | 600 #else /* USDT2 */ |
601 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
602 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
603 #endif /* USDT2 */ | |
0 | 604 |
605 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
606 JNIWrapper("ToReflectedMethod"); | |
4006 | 607 #ifndef USDT2 |
0 | 608 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
4006 | 609 #else /* USDT2 */ |
610 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
611 env, cls, (uintptr_t) method_id, isStatic); | |
612 #endif /* USDT2 */ | |
0 | 613 jobject ret = NULL; |
614 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
615 | |
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616 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 617 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
618 oop reflection_method; | |
619 if (m->is_initializer()) { | |
620 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
621 } else { | |
622 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
623 } | |
624 ret = JNIHandles::make_local(env, reflection_method); | |
625 return ret; | |
626 JNI_END | |
627 | |
4006 | 628 #ifndef USDT2 |
0 | 629 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
4006 | 630 #else /* USDT2 */ |
631 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
632 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
633 #endif /* USDT2 */ | |
0 | 634 |
635 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
636 JNIWrapper("GetSuperclass"); | |
4006 | 637 #ifndef USDT2 |
0 | 638 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
4006 | 639 #else /* USDT2 */ |
640 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
641 env, sub); | |
642 #endif /* USDT2 */ | |
0 | 643 jclass obj = NULL; |
644 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
645 | |
646 oop mirror = JNIHandles::resolve_non_null(sub); | |
647 // primitive classes return NULL | |
648 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
649 | |
650 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
651 // arrays return Object | |
652 // interfaces return NULL | |
653 // proper classes return Klass::super() | |
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654 Klass* k = java_lang_Class::as_Klass(mirror); |
6983 | 655 if (k->is_interface()) return NULL; |
0 | 656 |
657 // return mirror for superclass | |
6983 | 658 Klass* super = k->java_super(); |
0 | 659 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
6983 | 660 debug_only(Klass* super2 = ( k->oop_is_array() |
1142 | 661 ? SystemDictionary::Object_klass() |
6983 | 662 : k->super() ) ); |
0 | 663 assert(super == super2, |
664 "java_super computation depends on interface, array, other super"); | |
6983 | 665 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
0 | 666 return obj; |
667 JNI_END | |
668 | |
669 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
670 JNIWrapper("IsSubclassOf"); | |
4006 | 671 #ifndef USDT2 |
0 | 672 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
4006 | 673 #else /* USDT2 */ |
674 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
675 env, sub, super); | |
676 #endif /* USDT2 */ | |
0 | 677 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
678 oop super_mirror = JNIHandles::resolve_non_null(super); | |
679 if (java_lang_Class::is_primitive(sub_mirror) || | |
680 java_lang_Class::is_primitive(super_mirror)) { | |
681 jboolean ret = (sub_mirror == super_mirror); | |
4006 | 682 #ifndef USDT2 |
0 | 683 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 684 #else /* USDT2 */ |
685 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
686 ret); | |
687 #endif /* USDT2 */ | |
0 | 688 return ret; |
689 } | |
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690 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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691 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
0 | 692 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
6983 | 693 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
0 | 694 JNI_TRUE : JNI_FALSE; |
4006 | 695 #ifndef USDT2 |
0 | 696 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 697 #else /* USDT2 */ |
698 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
699 ret); | |
700 #endif /* USDT2 */ | |
0 | 701 return ret; |
702 JNI_END | |
703 | |
4006 | 704 #ifndef USDT2 |
0 | 705 DT_RETURN_MARK_DECL(Throw, jint); |
4006 | 706 #else /* USDT2 */ |
707 DT_RETURN_MARK_DECL(Throw, jint | |
708 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
709 #endif /* USDT2 */ | |
0 | 710 |
711 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
712 JNIWrapper("Throw"); | |
4006 | 713 #ifndef USDT2 |
0 | 714 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
4006 | 715 #else /* USDT2 */ |
716 HOTSPOT_JNI_THROW_ENTRY( | |
717 env, obj); | |
718 #endif /* USDT2 */ | |
0 | 719 jint ret = JNI_OK; |
720 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
721 | |
722 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
723 ShouldNotReachHere(); | |
724 JNI_END | |
725 | |
4006 | 726 #ifndef USDT2 |
0 | 727 DT_RETURN_MARK_DECL(ThrowNew, jint); |
4006 | 728 #else /* USDT2 */ |
729 DT_RETURN_MARK_DECL(ThrowNew, jint | |
730 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
731 #endif /* USDT2 */ | |
0 | 732 |
733 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
734 JNIWrapper("ThrowNew"); | |
4006 | 735 #ifndef USDT2 |
0 | 736 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
4006 | 737 #else /* USDT2 */ |
738 HOTSPOT_JNI_THROWNEW_ENTRY( | |
739 env, clazz, (char *) message); | |
740 #endif /* USDT2 */ | |
0 | 741 jint ret = JNI_OK; |
742 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
743 | |
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744 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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745 Symbol* name = k->name(); |
0 | 746 Handle class_loader (THREAD, k->class_loader()); |
747 Handle protection_domain (THREAD, k->protection_domain()); | |
748 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
749 ShouldNotReachHere(); | |
750 JNI_END | |
751 | |
752 | |
753 // JNI functions only transform a pending async exception to a synchronous | |
754 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
755 // delivering an async exception in other places won't change the native | |
756 // code's control flow and would be harmful when native code further calls | |
757 // JNI functions with a pending exception. Async exception is also checked | |
758 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
759 // false but deliver the async exception at the very end during | |
760 // state transition. | |
761 | |
762 static void jni_check_async_exceptions(JavaThread *thread) { | |
763 assert(thread == Thread::current(), "must be itself"); | |
764 thread->check_and_handle_async_exceptions(); | |
765 } | |
766 | |
767 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
768 JNIWrapper("ExceptionOccurred"); | |
4006 | 769 #ifndef USDT2 |
0 | 770 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
4006 | 771 #else /* USDT2 */ |
772 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
773 env); | |
774 #endif /* USDT2 */ | |
0 | 775 jni_check_async_exceptions(thread); |
776 oop exception = thread->pending_exception(); | |
777 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
4006 | 778 #ifndef USDT2 |
0 | 779 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
4006 | 780 #else /* USDT2 */ |
781 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
782 ret); | |
783 #endif /* USDT2 */ | |
0 | 784 return ret; |
785 JNI_END | |
786 | |
787 | |
788 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
789 JNIWrapper("ExceptionDescribe"); | |
4006 | 790 #ifndef USDT2 |
0 | 791 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
4006 | 792 #else /* USDT2 */ |
793 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
794 env); | |
795 #endif /* USDT2 */ | |
0 | 796 if (thread->has_pending_exception()) { |
797 Handle ex(thread, thread->pending_exception()); | |
798 thread->clear_pending_exception(); | |
1142 | 799 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
0 | 800 // Don't print anything if we are being killed. |
801 } else { | |
802 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
803 if (thread != NULL && thread->threadObj() != NULL) { | |
804 ResourceMark rm(THREAD); | |
805 jio_fprintf(defaultStream::error_stream(), | |
806 "in thread \"%s\" ", thread->get_thread_name()); | |
807 } | |
1142 | 808 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
0 | 809 JavaValue result(T_VOID); |
810 JavaCalls::call_virtual(&result, | |
811 ex, | |
812 KlassHandle(THREAD, | |
1142 | 813 SystemDictionary::Throwable_klass()), |
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814 vmSymbols::printStackTrace_name(), |
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815 vmSymbols::void_method_signature(), |
0 | 816 THREAD); |
817 // If an exception is thrown in the call it gets thrown away. Not much | |
818 // we can do with it. The native code that calls this, does not check | |
819 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
820 // called, potentially causing a few asserts to trigger - since no pending exception | |
821 // is expected. | |
822 CLEAR_PENDING_EXCEPTION; | |
823 } else { | |
824 ResourceMark rm(THREAD); | |
825 jio_fprintf(defaultStream::error_stream(), | |
826 ". Uncaught exception of type %s.", | |
6983 | 827 ex->klass()->external_name()); |
0 | 828 } |
829 } | |
830 } | |
4006 | 831 #ifndef USDT2 |
0 | 832 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
4006 | 833 #else /* USDT2 */ |
834 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
835 ); | |
836 #endif /* USDT2 */ | |
0 | 837 JNI_END |
838 | |
839 | |
840 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
841 JNIWrapper("ExceptionClear"); | |
4006 | 842 #ifndef USDT2 |
0 | 843 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
4006 | 844 #else /* USDT2 */ |
845 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
846 env); | |
847 #endif /* USDT2 */ | |
0 | 848 |
849 // The jni code might be using this API to clear java thrown exception. | |
850 // So just mark jvmti thread exception state as exception caught. | |
851 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
852 if (state != NULL && state->is_exception_detected()) { | |
853 state->set_exception_caught(); | |
854 } | |
855 thread->clear_pending_exception(); | |
4006 | 856 #ifndef USDT2 |
0 | 857 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
4006 | 858 #else /* USDT2 */ |
859 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
860 ); | |
861 #endif /* USDT2 */ | |
0 | 862 JNI_END |
863 | |
864 | |
865 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
866 JNIWrapper("FatalError"); | |
4006 | 867 #ifndef USDT2 |
0 | 868 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
4006 | 869 #else /* USDT2 */ |
870 HOTSPOT_JNI_FATALERROR_ENTRY( | |
871 env, (char *) msg); | |
872 #endif /* USDT2 */ | |
0 | 873 tty->print_cr("FATAL ERROR in native method: %s", msg); |
874 thread->print_stack(); | |
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875 os::abort(); // Dump core and abort |
0 | 876 JNI_END |
877 | |
878 | |
879 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
880 JNIWrapper("PushLocalFrame"); | |
4006 | 881 #ifndef USDT2 |
0 | 882 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
4006 | 883 #else /* USDT2 */ |
884 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
885 env, capacity); | |
886 #endif /* USDT2 */ | |
0 | 887 //%note jni_11 |
888 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
4006 | 889 #ifndef USDT2 |
0 | 890 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
4006 | 891 #else /* USDT2 */ |
892 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
893 (uint32_t)JNI_ERR); | |
894 #endif /* USDT2 */ | |
0 | 895 return JNI_ERR; |
896 } | |
897 JNIHandleBlock* old_handles = thread->active_handles(); | |
898 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
899 assert(new_handles != NULL, "should not be NULL"); | |
900 new_handles->set_pop_frame_link(old_handles); | |
901 thread->set_active_handles(new_handles); | |
902 jint ret = JNI_OK; | |
4006 | 903 #ifndef USDT2 |
0 | 904 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
4006 | 905 #else /* USDT2 */ |
906 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
907 ret); | |
908 #endif /* USDT2 */ | |
0 | 909 return ret; |
910 JNI_END | |
911 | |
912 | |
913 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
914 JNIWrapper("PopLocalFrame"); | |
4006 | 915 #ifndef USDT2 |
0 | 916 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
4006 | 917 #else /* USDT2 */ |
918 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
919 env, result); | |
920 #endif /* USDT2 */ | |
0 | 921 //%note jni_11 |
922 Handle result_handle(thread, JNIHandles::resolve(result)); | |
923 JNIHandleBlock* old_handles = thread->active_handles(); | |
924 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
925 if (new_handles != NULL) { | |
926 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
927 // This way code will still work if PopLocalFrame is called without a corresponding | |
928 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
929 // the release_block call will release the blocks. | |
930 thread->set_active_handles(new_handles); | |
931 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
932 JNIHandleBlock::release_block(old_handles, thread); // may block | |
933 result = JNIHandles::make_local(thread, result_handle()); | |
934 } | |
4006 | 935 #ifndef USDT2 |
0 | 936 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
4006 | 937 #else /* USDT2 */ |
938 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
939 result); | |
940 #endif /* USDT2 */ | |
0 | 941 return result; |
942 JNI_END | |
943 | |
944 | |
945 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
946 JNIWrapper("NewGlobalRef"); | |
4006 | 947 #ifndef USDT2 |
0 | 948 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
4006 | 949 #else /* USDT2 */ |
950 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
951 env, ref); | |
952 #endif /* USDT2 */ | |
0 | 953 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
954 jobject ret = JNIHandles::make_global(ref_handle); | |
4006 | 955 #ifndef USDT2 |
0 | 956 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
4006 | 957 #else /* USDT2 */ |
958 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
959 ret); | |
960 #endif /* USDT2 */ | |
0 | 961 return ret; |
962 JNI_END | |
963 | |
964 // Must be JNI_ENTRY (with HandleMark) | |
965 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
966 JNIWrapper("DeleteGlobalRef"); | |
4006 | 967 #ifndef USDT2 |
0 | 968 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
4006 | 969 #else /* USDT2 */ |
970 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
971 env, ref); | |
972 #endif /* USDT2 */ | |
0 | 973 JNIHandles::destroy_global(ref); |
4006 | 974 #ifndef USDT2 |
0 | 975 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
4006 | 976 #else /* USDT2 */ |
977 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
978 ); | |
979 #endif /* USDT2 */ | |
0 | 980 JNI_END |
981 | |
982 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
983 JNIWrapper("DeleteLocalRef"); | |
4006 | 984 #ifndef USDT2 |
0 | 985 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
4006 | 986 #else /* USDT2 */ |
987 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
988 env, obj); | |
989 #endif /* USDT2 */ | |
0 | 990 JNIHandles::destroy_local(obj); |
4006 | 991 #ifndef USDT2 |
0 | 992 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
4006 | 993 #else /* USDT2 */ |
994 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
995 ); | |
996 #endif /* USDT2 */ | |
0 | 997 JNI_END |
998 | |
999 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
1000 JNIWrapper("IsSameObject"); | |
4006 | 1001 #ifndef USDT2 |
0 | 1002 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
4006 | 1003 #else /* USDT2 */ |
1004 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
1005 env, r1, r2); | |
1006 #endif /* USDT2 */ | |
0 | 1007 oop a = JNIHandles::resolve(r1); |
1008 oop b = JNIHandles::resolve(r2); | |
1009 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
4006 | 1010 #ifndef USDT2 |
0 | 1011 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
4006 | 1012 #else /* USDT2 */ |
1013 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
1014 ret); | |
1015 #endif /* USDT2 */ | |
0 | 1016 return ret; |
1017 JNI_END | |
1018 | |
1019 | |
1020 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
1021 JNIWrapper("NewLocalRef"); | |
4006 | 1022 #ifndef USDT2 |
0 | 1023 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
4006 | 1024 #else /* USDT2 */ |
1025 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
1026 env, ref); | |
1027 #endif /* USDT2 */ | |
0 | 1028 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
4006 | 1029 #ifndef USDT2 |
0 | 1030 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
4006 | 1031 #else /* USDT2 */ |
1032 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
1033 ret); | |
1034 #endif /* USDT2 */ | |
0 | 1035 return ret; |
1036 JNI_END | |
1037 | |
1038 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
1039 JNIWrapper("EnsureLocalCapacity"); | |
4006 | 1040 #ifndef USDT2 |
0 | 1041 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
4006 | 1042 #else /* USDT2 */ |
1043 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
1044 env, capacity); | |
1045 #endif /* USDT2 */ | |
0 | 1046 jint ret; |
1047 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
1048 ret = JNI_OK; | |
1049 } else { | |
1050 ret = JNI_ERR; | |
1051 } | |
4006 | 1052 #ifndef USDT2 |
0 | 1053 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
4006 | 1054 #else /* USDT2 */ |
1055 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
1056 ret); | |
1057 #endif /* USDT2 */ | |
0 | 1058 return ret; |
1059 JNI_END | |
1060 | |
1061 // Return the Handle Type | |
1062 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
1063 JNIWrapper("GetObjectRefType"); | |
4006 | 1064 #ifndef USDT2 |
0 | 1065 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
4006 | 1066 #else /* USDT2 */ |
1067 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
1068 env, obj); | |
1069 #endif /* USDT2 */ | |
0 | 1070 jobjectRefType ret; |
1071 if (JNIHandles::is_local_handle(thread, obj) || | |
1072 JNIHandles::is_frame_handle(thread, obj)) | |
1073 ret = JNILocalRefType; | |
1074 else if (JNIHandles::is_global_handle(obj)) | |
1075 ret = JNIGlobalRefType; | |
1076 else if (JNIHandles::is_weak_global_handle(obj)) | |
1077 ret = JNIWeakGlobalRefType; | |
1078 else | |
1079 ret = JNIInvalidRefType; | |
4006 | 1080 #ifndef USDT2 |
0 | 1081 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
4006 | 1082 #else /* USDT2 */ |
1083 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
1084 (void *) ret); | |
1085 #endif /* USDT2 */ | |
0 | 1086 return ret; |
1087 JNI_END | |
1088 | |
1089 | |
1090 class JNI_ArgumentPusher : public SignatureIterator { | |
1091 protected: | |
1092 JavaCallArguments* _arguments; | |
1093 | |
1094 virtual void get_bool () = 0; | |
1095 virtual void get_char () = 0; | |
1096 virtual void get_short () = 0; | |
1097 virtual void get_byte () = 0; | |
1098 virtual void get_int () = 0; | |
1099 virtual void get_long () = 0; | |
1100 virtual void get_float () = 0; | |
1101 virtual void get_double () = 0; | |
1102 virtual void get_object () = 0; | |
1103 | |
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1104 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
0 | 1105 this->_return_type = T_ILLEGAL; |
1106 _arguments = NULL; | |
1107 } | |
1108 | |
1109 public: | |
1110 virtual void iterate( uint64_t fingerprint ) = 0; | |
1111 | |
1112 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
1113 | |
1114 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
1115 inline void do_char() { if (!is_return_type()) get_char(); } | |
1116 inline void do_short() { if (!is_return_type()) get_short(); } | |
1117 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
1118 inline void do_int() { if (!is_return_type()) get_int(); } | |
1119 inline void do_long() { if (!is_return_type()) get_long(); } | |
1120 inline void do_float() { if (!is_return_type()) get_float(); } | |
1121 inline void do_double() { if (!is_return_type()) get_double(); } | |
1122 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
1123 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
1124 inline void do_void() { } | |
1125 | |
1126 JavaCallArguments* arguments() { return _arguments; } | |
1127 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
1128 }; | |
1129 | |
1130 | |
1131 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
1132 protected: | |
1133 va_list _ap; | |
1134 | |
1135 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
1136 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
1137 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
1138 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
1139 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
1140 | |
1141 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
1142 | |
1143 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
1144 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
1145 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
1146 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
1147 _arguments->push_oop(Handle((oop *)l, false)); } | |
1148 | |
1149 inline void set_ap(va_list rap) { | |
1150 #ifdef va_copy | |
1151 va_copy(_ap, rap); | |
1152 #elif defined (__va_copy) | |
1153 __va_copy(_ap, rap); | |
1154 #else | |
1155 _ap = rap; | |
1156 #endif | |
1157 } | |
1158 | |
1159 public: | |
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1160 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1161 : JNI_ArgumentPusher(signature) { |
0 | 1162 set_ap(rap); |
1163 } | |
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1164 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1165 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 1166 set_ap(rap); |
1167 } | |
1168 | |
1169 // Optimized path if we have the bitvector form of signature | |
1170 void iterate( uint64_t fingerprint ) { | |
1171 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
1172 else { | |
1173 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1174 result_feature_mask); | |
1175 | |
1176 assert(fingerprint, "Fingerprint should not be 0"); | |
1177 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1178 while ( 1 ) { | |
1179 switch ( fingerprint & parameter_feature_mask ) { | |
1180 case bool_parm: | |
1181 case char_parm: | |
1182 case short_parm: | |
1183 case byte_parm: | |
1184 case int_parm: | |
1185 get_int(); | |
1186 break; | |
1187 case obj_parm: | |
1188 get_object(); | |
1189 break; | |
1190 case long_parm: | |
1191 get_long(); | |
1192 break; | |
1193 case float_parm: | |
1194 get_float(); | |
1195 break; | |
1196 case double_parm: | |
1197 get_double(); | |
1198 break; | |
1199 case done_parm: | |
1200 return; | |
1201 break; | |
1202 default: | |
1203 ShouldNotReachHere(); | |
1204 break; | |
1205 } | |
1206 fingerprint >>= parameter_feature_size; | |
1207 } | |
1208 } | |
1209 } | |
1210 }; | |
1211 | |
1212 | |
1213 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
1214 protected: | |
1215 const jvalue *_ap; | |
1216 | |
1217 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
1218 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
1219 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
1220 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
1221 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
1222 | |
1223 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
1224 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
1225 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
1226 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
1227 | |
1228 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
1229 | |
1230 public: | |
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1231 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1232 : JNI_ArgumentPusher(signature) { |
0 | 1233 set_ap(rap); |
1234 } | |
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1235 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1236 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 1237 set_ap(rap); |
1238 } | |
1239 | |
1240 // Optimized path if we have the bitvector form of signature | |
1241 void iterate( uint64_t fingerprint ) { | |
1242 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
1243 else { | |
1244 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1245 result_feature_mask); | |
1246 assert(fingerprint, "Fingerprint should not be 0"); | |
1247 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1248 while ( 1 ) { | |
1249 switch ( fingerprint & parameter_feature_mask ) { | |
1250 case bool_parm: | |
1251 get_bool(); | |
1252 break; | |
1253 case char_parm: | |
1254 get_char(); | |
1255 break; | |
1256 case short_parm: | |
1257 get_short(); | |
1258 break; | |
1259 case byte_parm: | |
1260 get_byte(); | |
1261 break; | |
1262 case int_parm: | |
1263 get_int(); | |
1264 break; | |
1265 case obj_parm: | |
1266 get_object(); | |
1267 break; | |
1268 case long_parm: | |
1269 get_long(); | |
1270 break; | |
1271 case float_parm: | |
1272 get_float(); | |
1273 break; | |
1274 case double_parm: | |
1275 get_double(); | |
1276 break; | |
1277 case done_parm: | |
1278 return; | |
1279 break; | |
1280 default: | |
1281 ShouldNotReachHere(); | |
1282 break; | |
1283 } | |
1284 fingerprint >>= parameter_feature_size; | |
1285 } | |
1286 } | |
1287 } | |
1288 }; | |
1289 | |
1290 | |
1291 enum JNICallType { | |
1292 JNI_STATIC, | |
1293 JNI_VIRTUAL, | |
1294 JNI_NONVIRTUAL | |
1295 }; | |
1296 | |
1297 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
1298 assert(!method.is_null() , "method should not be null"); | |
1299 | |
1300 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
1301 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
1302 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1303 Symbol* name = method->name(); |
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1304 Symbol* signature = method->signature(); |
0 | 1305 CallInfo info; |
1306 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
1307 return info.selected_method(); | |
1308 } | |
1309 | |
1310 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
1311 assert(!method.is_null() , "method should not be null"); | |
1312 | |
1313 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
1314 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
1315 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1316 Symbol* name = method->name(); |
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1317 Symbol* signature = method->signature(); |
0 | 1318 CallInfo info; |
1319 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
1320 return info.selected_method(); | |
1321 } | |
1322 | |
1323 | |
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1324 static bool first_time_InvokeMain = true; |
0 | 1325 |
1326 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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1327 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 1328 |
1329 // Create object to hold arguments for the JavaCall, and associate it with | |
1330 // the jni parser | |
1331 ResourceMark rm(THREAD); | |
1332 int number_of_parameters = method->size_of_parameters(); | |
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1333 |
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1334 // Invoke the method. Result is returned as oop. |
0 | 1335 JavaCallArguments java_args(number_of_parameters); |
1336 args->set_java_argument_object(&java_args); | |
1337 | |
1338 assert(method->is_static(), "method should be static"); | |
1339 | |
1340 // Fill out JavaCallArguments object | |
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1341 args->iterate( Fingerprinter(method).fingerprint() ); |
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1342 // Initialize result type (must be done after args->iterate()) |
0 | 1343 result->set_type(args->get_ret_type()); |
1344 | |
1345 JavaCalls::call(result, method, &java_args, CHECK); | |
1346 | |
1347 // Convert result | |
1348 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1349 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1350 } | |
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1351 |
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1352 #ifdef HIGH_LEVEL_INTERPRETER |
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1353 if (invoked_main_method) { |
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1354 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
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1355 JavaThread* thread = (JavaThread*)THREAD; |
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1356 thread->set_high_level_interpreter_in_vm(false); |
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1357 } |
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1358 #endif |
0 | 1359 } |
1360 | |
1361 | |
1362 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1363 oop recv = JNIHandles::resolve(receiver); | |
1364 if (recv == NULL) { | |
1365 THROW(vmSymbols::java_lang_NullPointerException()); | |
1366 } | |
1367 Handle h_recv(THREAD, recv); | |
1368 | |
1369 int number_of_parameters; | |
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1370 Method* selected_method; |
0 | 1371 { |
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1372 Method* m = Method::resolve_jmethod_id(method_id); |
0 | 1373 number_of_parameters = m->size_of_parameters(); |
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1374 Klass* holder = m->method_holder(); |
6983 | 1375 if (!(holder)->is_interface()) { |
0 | 1376 // non-interface call -- for that little speed boost, don't handlize |
1377 debug_only(No_Safepoint_Verifier nosafepoint;) | |
1378 if (call_type == JNI_VIRTUAL) { | |
1379 // jni_GetMethodID makes sure class is linked and initialized | |
1380 // so m should have a valid vtable index. | |
1381 int vtbl_index = m->vtable_index(); | |
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1382 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1383 Klass* k = h_recv->klass(); |
0 | 1384 // k might be an arrayKlassOop but all vtables start at |
1385 // the same place. The cast is to avoid virtual call and assertion. | |
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1386 InstanceKlass *ik = (InstanceKlass*)k; |
0 | 1387 selected_method = ik->method_at_vtable(vtbl_index); |
1388 } else { | |
1389 // final method | |
1390 selected_method = m; | |
1391 } | |
1392 } else { | |
1393 // JNI_NONVIRTUAL call | |
1394 selected_method = m; | |
1395 } | |
1396 } else { | |
1397 // interface call | |
1398 KlassHandle h_holder(THREAD, holder); | |
1399 | |
1400 int itbl_index = m->cached_itable_index(); | |
1401 if (itbl_index == -1) { | |
1402 itbl_index = klassItable::compute_itable_index(m); | |
1403 m->set_cached_itable_index(itbl_index); | |
1404 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
1405 } | |
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1406 Klass* k = h_recv->klass(); |
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1407 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
0 | 1408 } |
1409 } | |
1410 | |
1411 methodHandle method(THREAD, selected_method); | |
1412 | |
1413 // Create object to hold arguments for the JavaCall, and associate it with | |
1414 // the jni parser | |
1415 ResourceMark rm(THREAD); | |
1416 JavaCallArguments java_args(number_of_parameters); | |
1417 args->set_java_argument_object(&java_args); | |
1418 | |
1419 // handle arguments | |
1420 assert(!method->is_static(), "method should not be static"); | |
1421 args->push_receiver(h_recv); // Push jobject handle | |
1422 | |
1423 // Fill out JavaCallArguments object | |
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1424 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1425 // Initialize result type |
1426 result->set_type(args->get_ret_type()); | |
1427 | |
1428 // Invoke the method. Result is returned as oop. | |
1429 JavaCalls::call(result, method, &java_args, CHECK); | |
1430 | |
1431 // Convert result | |
1432 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1433 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1434 } | |
1435 } | |
1436 | |
1437 | |
1438 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1439 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
6983 | 1440 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1441 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1442 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
0 | 1443 return ih; |
1444 } | |
1445 | |
4006 | 1446 #ifndef USDT2 |
0 | 1447 DT_RETURN_MARK_DECL(AllocObject, jobject); |
4006 | 1448 #else /* USDT2 */ |
1449 DT_RETURN_MARK_DECL(AllocObject, jobject | |
1450 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
1451 #endif /* USDT2 */ | |
0 | 1452 |
1453 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
1454 JNIWrapper("AllocObject"); | |
1455 | |
4006 | 1456 #ifndef USDT2 |
0 | 1457 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
4006 | 1458 #else /* USDT2 */ |
1459 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
1460 env, clazz); | |
1461 #endif /* USDT2 */ | |
0 | 1462 jobject ret = NULL; |
1463 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
1464 | |
1465 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1466 ret = JNIHandles::make_local(env, i); | |
1467 return ret; | |
1468 JNI_END | |
1469 | |
4006 | 1470 #ifndef USDT2 |
0 | 1471 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
4006 | 1472 #else /* USDT2 */ |
1473 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
1474 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
1475 #endif /* USDT2 */ | |
0 | 1476 |
1477 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
1478 JNIWrapper("NewObjectA"); | |
4006 | 1479 #ifndef USDT2 |
0 | 1480 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
4006 | 1481 #else /* USDT2 */ |
1482 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
1483 env, clazz, (uintptr_t) methodID); | |
1484 #endif /* USDT2 */ | |
0 | 1485 jobject obj = NULL; |
1486 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
1487 | |
1488 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1489 obj = JNIHandles::make_local(env, i); | |
1490 JavaValue jvalue(T_VOID); | |
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1491 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1492 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1493 return obj; | |
1494 JNI_END | |
1495 | |
4006 | 1496 #ifndef USDT2 |
0 | 1497 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
4006 | 1498 #else /* USDT2 */ |
1499 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
1500 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
1501 #endif /* USDT2 */ | |
0 | 1502 |
1503 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
1504 JNIWrapper("NewObjectV"); | |
4006 | 1505 #ifndef USDT2 |
0 | 1506 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
4006 | 1507 #else /* USDT2 */ |
1508 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
1509 env, clazz, (uintptr_t) methodID); | |
1510 #endif /* USDT2 */ | |
0 | 1511 jobject obj = NULL; |
1512 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
1513 | |
1514 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1515 obj = JNIHandles::make_local(env, i); | |
1516 JavaValue jvalue(T_VOID); | |
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1517 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1518 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1519 return obj; | |
1520 JNI_END | |
1521 | |
4006 | 1522 #ifndef USDT2 |
0 | 1523 DT_RETURN_MARK_DECL(NewObject, jobject); |
4006 | 1524 #else /* USDT2 */ |
1525 DT_RETURN_MARK_DECL(NewObject, jobject | |
1526 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
1527 #endif /* USDT2 */ | |
0 | 1528 |
1529 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
1530 JNIWrapper("NewObject"); | |
4006 | 1531 #ifndef USDT2 |
0 | 1532 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
4006 | 1533 #else /* USDT2 */ |
1534 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
1535 env, clazz, (uintptr_t) methodID); | |
1536 #endif /* USDT2 */ | |
0 | 1537 jobject obj = NULL; |
1538 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
1539 | |
1540 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1541 obj = JNIHandles::make_local(env, i); | |
1542 va_list args; | |
1543 va_start(args, methodID); | |
1544 JavaValue jvalue(T_VOID); | |
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1545 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1546 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1547 va_end(args); | |
1548 return obj; | |
1549 JNI_END | |
1550 | |
1551 | |
1552 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
1553 JNIWrapper("GetObjectClass"); | |
4006 | 1554 #ifndef USDT2 |
0 | 1555 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
4006 | 1556 #else /* USDT2 */ |
1557 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
1558 env, obj); | |
1559 #endif /* USDT2 */ | |
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1560 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
0 | 1561 jclass ret = |
6983 | 1562 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
4006 | 1563 #ifndef USDT2 |
0 | 1564 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
4006 | 1565 #else /* USDT2 */ |
1566 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
1567 ret); | |
1568 #endif /* USDT2 */ | |
0 | 1569 return ret; |
1570 JNI_END | |
1571 | |
1572 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
1573 JNIWrapper("IsInstanceOf"); | |
4006 | 1574 #ifndef USDT2 |
0 | 1575 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
4006 | 1576 #else /* USDT2 */ |
1577 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
1578 env, obj, clazz); | |
1579 #endif /* USDT2 */ | |
0 | 1580 jboolean ret = JNI_TRUE; |
1581 if (obj != NULL) { | |
1582 ret = JNI_FALSE; | |
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1583 Klass* k = java_lang_Class::as_Klass( |
0 | 1584 JNIHandles::resolve_non_null(clazz)); |
1585 if (k != NULL) { | |
1586 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
1587 } | |
1588 } | |
4006 | 1589 #ifndef USDT2 |
0 | 1590 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
4006 | 1591 #else /* USDT2 */ |
1592 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
1593 ret); | |
1594 #endif /* USDT2 */ | |
0 | 1595 return ret; |
1596 JNI_END | |
1597 | |
1598 | |
1599 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
1600 const char *sig, bool is_static, TRAPS) { | |
1601 // %%%% This code should probably just call into a method in the LinkResolver | |
1602 // | |
1603 // The class should have been loaded (we have an instance of the class | |
1604 // passed in) so the method and signature should already be in the symbol | |
1605 // table. If they're not there, the method doesn't exist. | |
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1606 const char *name_to_probe = (name_str == NULL) |
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1607 ? vmSymbols::object_initializer_name()->as_C_string() |
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1608 : name_str; |
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1609 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1610 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1611 |
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1612 if (name == NULL || signature == NULL) { |
0 | 1613 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
1614 } | |
1615 | |
1616 // Throw a NoSuchMethodError exception if we have an instance of a | |
1617 // primitive java.lang.Class | |
1618 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
1619 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1620 } | |
1621 | |
1622 KlassHandle klass(THREAD, | |
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1623 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 1624 |
1625 // Make sure class is linked and initialized before handing id's out to | |
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1626 // Method*s. |
6983 | 1627 klass()->initialize(CHECK_NULL); |
0 | 1628 |
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1629 Method* m; |
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1630 if (name == vmSymbols::object_initializer_name() || |
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1631 name == vmSymbols::class_initializer_name()) { |
0 | 1632 // Never search superclasses for constructors |
1633 if (klass->oop_is_instance()) { | |
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1634 m = InstanceKlass::cast(klass())->find_method(name, signature); |
0 | 1635 } else { |
1636 m = NULL; | |
1637 } | |
1638 } else { | |
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1639 m = klass->lookup_method(name, signature); |
0 | 1640 // Look up interfaces |
1641 if (m == NULL && klass->oop_is_instance()) { | |
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1642 m = InstanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1643 signature); |
0 | 1644 } |
1645 } | |
1646 if (m == NULL || (m->is_static() != is_static)) { | |
1647 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1648 } | |
1649 return m->jmethod_id(); | |
1650 } | |
1651 | |
1652 | |
1653 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
1654 const char *name, const char *sig)) | |
1655 JNIWrapper("GetMethodID"); | |
4006 | 1656 #ifndef USDT2 |
0 | 1657 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
4006 | 1658 #else /* USDT2 */ |
1659 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
1660 env, clazz, (char *) name, (char *) sig); | |
1661 #endif /* USDT2 */ | |
0 | 1662 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
4006 | 1663 #ifndef USDT2 |
0 | 1664 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
4006 | 1665 #else /* USDT2 */ |
1666 HOTSPOT_JNI_GETMETHODID_RETURN( | |
1667 (uintptr_t) ret); | |
1668 #endif /* USDT2 */ | |
0 | 1669 return ret; |
1670 JNI_END | |
1671 | |
1672 | |
1673 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
1674 const char *name, const char *sig)) | |
1675 JNIWrapper("GetStaticMethodID"); | |
4006 | 1676 #ifndef USDT2 |
0 | 1677 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
4006 | 1678 #else /* USDT2 */ |
1679 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
1680 env, (char *) clazz, (char *) name, (char *)sig); | |
1681 #endif /* USDT2 */ | |
0 | 1682 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
4006 | 1683 #ifndef USDT2 |
0 | 1684 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
4006 | 1685 #else /* USDT2 */ |
1686 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
1687 (uintptr_t) ret); | |
1688 #endif /* USDT2 */ | |
0 | 1689 return ret; |
1690 JNI_END | |
1691 | |
1692 | |
1693 | |
1694 // | |
1695 // Calling Methods | |
1696 // | |
1697 | |
4006 | 1698 #ifndef USDT2 |
0 | 1699 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
1700 \ | |
1701 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
1702 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
1703 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
1704 \ | |
1705 JNI_ENTRY(ResultType, \ | |
1706 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1707 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1708 \ | |
4006 | 1709 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
0 | 1710 ResultType ret = 0;\ |
1711 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1712 (const ResultType&)ret);\ | |
1713 \ | |
1714 va_list args; \ | |
1715 va_start(args, methodID); \ | |
1716 JavaValue jvalue(Tag); \ | |
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1717 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1718 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1719 va_end(args); \ | |
1720 ret = jvalue.get_##ResultType(); \ | |
1721 return ret;\ | |
1722 JNI_END \ | |
1723 \ | |
1724 \ | |
1725 JNI_ENTRY(ResultType, \ | |
1726 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1727 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1728 \ | |
4006 | 1729 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
0 | 1730 ResultType ret = 0;\ |
1731 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1732 (const ResultType&)ret);\ | |
1733 \ | |
1734 JavaValue jvalue(Tag); \ | |
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1735 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1736 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1737 ret = jvalue.get_##ResultType(); \ | |
1738 return ret;\ | |
1739 JNI_END \ | |
1740 \ | |
1741 \ | |
1742 JNI_ENTRY(ResultType, \ | |
1743 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1744 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
4006 | 1745 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
0 | 1746 ResultType ret = 0;\ |
1747 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1748 (const ResultType&)ret);\ | |
1749 \ | |
1750 JavaValue jvalue(Tag); \ | |
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1751 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 1752 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1753 ret = jvalue.get_##ResultType(); \ | |
1754 return ret;\ | |
1755 JNI_END | |
1756 | |
1757 // the runtime type of subword integral basic types is integer | |
1758 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
1759 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
1760 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
1761 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
1762 | |
1763 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
1764 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
1765 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
1766 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
1767 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
1768 | |
1769 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
1770 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
1771 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
1772 | |
4006 | 1773 #else /* USDT2 */ |
1774 | |
1775 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
1776 , EntryProbe, ReturnProbe) \ | |
1777 \ | |
1778 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
1779 , ReturnProbe); \ | |
1780 \ | |
1781 JNI_ENTRY(ResultType, \ | |
1782 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1783 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1784 \ | |
1785 EntryProbe; \ | |
1786 ResultType ret = 0;\ | |
1787 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1788 (const ResultType&)ret);\ | |
1789 \ | |
1790 va_list args; \ | |
1791 va_start(args, methodID); \ | |
1792 JavaValue jvalue(Tag); \ | |
1793 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1794 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1795 va_end(args); \ | |
1796 ret = jvalue.get_##ResultType(); \ | |
1797 return ret;\ | |
1798 JNI_END | |
1799 | |
1800 // the runtime type of subword integral basic types is integer | |
1801 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
1802 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1803 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1804 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
1805 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1806 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1807 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
1808 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1809 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1810 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
1811 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1812 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1813 | |
1814 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
1815 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1816 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1817 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
1818 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1819 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1820 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
1821 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1822 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1823 // Float and double probes don't return value because dtrace doesn't currently support it | |
1824 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
1825 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1826 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1827 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
1828 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1829 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1830 | |
1831 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
1832 , EntryProbe, ReturnProbe) \ | |
1833 \ | |
1834 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
1835 , ReturnProbe); \ | |
1836 \ | |
1837 JNI_ENTRY(ResultType, \ | |
1838 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1839 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1840 \ | |
1841 EntryProbe;\ | |
1842 ResultType ret = 0;\ | |
1843 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1844 (const ResultType&)ret);\ | |
1845 \ | |
1846 JavaValue jvalue(Tag); \ | |
1847 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1848 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1849 ret = jvalue.get_##ResultType(); \ | |
1850 return ret;\ | |
1851 JNI_END | |
1852 | |
1853 // the runtime type of subword integral basic types is integer | |
1854 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
1855 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1856 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1857 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
1858 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1859 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1860 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
1861 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1862 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1863 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
1864 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1865 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1866 | |
1867 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
1868 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1869 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1870 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
1871 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1872 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1873 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
1874 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1875 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1876 // Float and double probes don't return value because dtrace doesn't currently support it | |
1877 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
1878 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1879 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1880 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
1881 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1882 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1883 | |
1884 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
1885 , EntryProbe, ReturnProbe) \ | |
1886 \ | |
1887 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
1888 , ReturnProbe); \ | |
1889 \ | |
1890 JNI_ENTRY(ResultType, \ | |
1891 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1892 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
1893 EntryProbe; \ | |
1894 ResultType ret = 0;\ | |
1895 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1896 (const ResultType&)ret);\ | |
1897 \ | |
1898 JavaValue jvalue(Tag); \ | |
1899 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1900 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1901 ret = jvalue.get_##ResultType(); \ | |
1902 return ret;\ | |
1903 JNI_END | |
1904 | |
1905 // the runtime type of subword integral basic types is integer | |
1906 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
1907 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1908 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1909 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
1910 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1911 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1912 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
1913 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1914 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1915 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
1916 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1917 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1918 | |
1919 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
1920 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1921 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1922 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
1923 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1924 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1925 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
1926 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1927 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1928 // Float and double probes don't return value because dtrace doesn't currently support it | |
1929 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
1930 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1931 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1932 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
1933 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1934 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1935 | |
1936 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
1937 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
1938 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
1939 | |
1940 #endif /* USDT2 */ | |
1941 | |
0 | 1942 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
1943 JNIWrapper("CallVoidMethod"); | |
4006 | 1944 #ifndef USDT2 |
0 | 1945 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
4006 | 1946 #else /* USDT2 */ |
1947 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
1948 env, obj, (uintptr_t) methodID); | |
1949 #endif /* USDT2 */ | |
0 | 1950 DT_VOID_RETURN_MARK(CallVoidMethod); |
1951 | |
1952 va_list args; | |
1953 va_start(args, methodID); | |
1954 JavaValue jvalue(T_VOID); | |
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1955 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1956 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1957 va_end(args); | |
1958 JNI_END | |
1959 | |
1960 | |
1961 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
1962 JNIWrapper("CallVoidMethodV"); | |
4006 | 1963 #ifndef USDT2 |
0 | 1964 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
4006 | 1965 #else /* USDT2 */ |
1966 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
1967 env, obj, (uintptr_t) methodID); | |
1968 #endif /* USDT2 */ | |
0 | 1969 DT_VOID_RETURN_MARK(CallVoidMethodV); |
1970 | |
1971 JavaValue jvalue(T_VOID); | |
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1972 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1973 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1974 JNI_END | |
1975 | |
1976 | |
1977 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
1978 JNIWrapper("CallVoidMethodA"); | |
4006 | 1979 #ifndef USDT2 |
0 | 1980 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
4006 | 1981 #else /* USDT2 */ |
1982 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
1983 env, obj, (uintptr_t) methodID); | |
1984 #endif /* USDT2 */ | |
0 | 1985 DT_VOID_RETURN_MARK(CallVoidMethodA); |
1986 | |
1987 JavaValue jvalue(T_VOID); | |
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1988 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1989 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1990 JNI_END | |
1991 | |
1992 | |
4006 | 1993 #ifndef USDT2 |
0 | 1994 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
1995 \ | |
1996 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
1997 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
1998 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
1999 \ | |
2000 JNI_ENTRY(ResultType, \ | |
2001 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
2002 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
2003 \ | |
2004 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
2005 ResultType ret;\ | |
2006 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
2007 (const ResultType&)ret);\ | |
2008 \ | |
2009 va_list args; \ | |
2010 va_start(args, methodID); \ | |
2011 JavaValue jvalue(Tag); \ | |
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2012 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2013 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2014 va_end(args); \ | |
2015 ret = jvalue.get_##ResultType(); \ | |
2016 return ret;\ | |
2017 JNI_END \ | |
2018 \ | |
2019 JNI_ENTRY(ResultType, \ | |
2020 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2021 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
2022 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
2023 ResultType ret;\ | |
2024 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2025 (const ResultType&)ret);\ | |
2026 \ | |
2027 JavaValue jvalue(Tag); \ | |
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2028 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2029 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2030 ret = jvalue.get_##ResultType(); \ | |
2031 return ret;\ | |
2032 JNI_END \ | |
2033 \ | |
2034 JNI_ENTRY(ResultType, \ | |
2035 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2036 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2037 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
2038 ResultType ret;\ | |
2039 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2040 (const ResultType&)ret);\ | |
2041 \ | |
2042 JavaValue jvalue(Tag); \ | |
2177
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|
2043 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2044 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2045 ret = jvalue.get_##ResultType(); \ | |
2046 return ret;\ | |
2047 JNI_END | |
2048 | |
2049 // the runtime type of subword integral basic types is integer | |
2050 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2051 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
2052 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
2053 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
2054 | |
2055 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
2056 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
2057 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
2058 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
2059 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
2060 | |
2061 | |
2062 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
2063 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
2064 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
2065 | |
4006 | 2066 #else /* USDT2 */ |
2067 | |
2068 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
2069 , EntryProbe, ReturnProbe) \ | |
2070 \ | |
2071 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
2072 , ReturnProbe);\ | |
2073 \ | |
2074 JNI_ENTRY(ResultType, \ | |
2075 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
2076 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
2077 \ | |
2078 EntryProbe;\ | |
2079 ResultType ret;\ | |
2080 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
2081 (const ResultType&)ret);\ | |
2082 \ | |
2083 va_list args; \ | |
2084 va_start(args, methodID); \ | |
2085 JavaValue jvalue(Tag); \ | |
2086 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2087 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2088 va_end(args); \ | |
2089 ret = jvalue.get_##ResultType(); \ | |
2090 return ret;\ | |
2091 JNI_END | |
2092 | |
2093 // the runtime type of subword integral basic types is integer | |
2094 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
2095 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2096 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
2097 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
2098 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2099 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
2100 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
2101 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2102 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
2103 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
2104 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2105 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
2106 | |
2107 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
2108 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2109 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
2110 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
2111 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2112 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
2113 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
2114 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2115 // Float and double probes don't return value because dtrace doesn't currently support it | |
2116 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
2117 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
2118 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2119 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
2120 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
2121 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2122 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
2123 | |
2124 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
2125 , EntryProbe, ReturnProbe) \ | |
2126 \ | |
2127 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
2128 , ReturnProbe);\ | |
2129 \ | |
2130 JNI_ENTRY(ResultType, \ | |
2131 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2132 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
2133 \ | |
2134 EntryProbe;\ | |
2135 ResultType ret;\ | |
2136 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2137 (const ResultType&)ret);\ | |
2138 \ | |
2139 JavaValue jvalue(Tag); \ | |
2140 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2141 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2142 ret = jvalue.get_##ResultType(); \ | |
2143 return ret;\ | |
2144 JNI_END | |
2145 | |
2146 // the runtime type of subword integral basic types is integer | |
2147 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
2148 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2149 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
2150 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
2151 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2152 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
2153 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
2154 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2155 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
2156 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
2157 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2158 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
2159 | |
2160 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
2161 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2162 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
2163 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
2164 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2165 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
2166 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
2167 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2168 // Float and double probes don't return value because dtrace doesn't currently support it | |
2169 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
2170 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
2171 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2172 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
2173 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
2174 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2175 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
2176 | |
2177 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
2178 , EntryProbe, ReturnProbe) \ | |
2179 \ | |
2180 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
2181 , ReturnProbe);\ | |
2182 \ | |
2183 JNI_ENTRY(ResultType, \ | |
2184 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2185 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2186 \ | |
2187 EntryProbe;\ | |
2188 ResultType ret;\ | |
2189 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2190 (const ResultType&)ret);\ | |
2191 \ | |
2192 JavaValue jvalue(Tag); \ | |
2193 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2194 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2195 ret = jvalue.get_##ResultType(); \ | |
2196 return ret;\ | |
2197 JNI_END | |
2198 | |
2199 // the runtime type of subword integral basic types is integer | |
2200 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
2201 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2202 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
2203 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
2204 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2205 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
2206 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
2207 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2208 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
2209 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
2210 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2211 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
2212 | |
2213 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
2214 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2215 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
2216 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
2217 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2218 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
2219 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
2220 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2221 // Float and double probes don't return value because dtrace doesn't currently support it | |
2222 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
2223 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
2224 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2225 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
2226 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
2227 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2228 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
2229 | |
2230 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
2231 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
2232 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
2233 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
2234 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
2235 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
2236 #endif /* USDT2 */ | |
2237 | |
0 | 2238 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
2239 JNIWrapper("CallNonvirtualVoidMethod"); | |
2240 | |
4006 | 2241 #ifndef USDT2 |
0 | 2242 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
2243 env, obj, cls, methodID); | |
4006 | 2244 #else /* USDT2 */ |
2245 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
2246 env, obj, cls, (uintptr_t) methodID); | |
2247 #endif /* USDT2 */ | |
0 | 2248 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
2249 | |
2250 va_list args; | |
2251 va_start(args, methodID); | |
2252 JavaValue jvalue(T_VOID); | |
2177
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2253 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2254 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2255 va_end(args); | |
2256 JNI_END | |
2257 | |
2258 | |
2259 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
2260 JNIWrapper("CallNonvirtualVoidMethodV"); | |
2261 | |
4006 | 2262 #ifndef USDT2 |
0 | 2263 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
2264 env, obj, cls, methodID); | |
4006 | 2265 #else /* USDT2 */ |
2266 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
2267 env, obj, cls, (uintptr_t) methodID); | |
2268 #endif /* USDT2 */ | |
0 | 2269 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
2270 | |
2271 JavaValue jvalue(T_VOID); | |
2177
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2272 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2273 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2274 JNI_END | |
2275 | |
2276 | |
2277 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
2278 JNIWrapper("CallNonvirtualVoidMethodA"); | |
4006 | 2279 #ifndef USDT2 |
0 | 2280 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
2281 env, obj, cls, methodID); | |
4006 | 2282 #else /* USDT2 */ |
2283 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
2284 env, obj, cls, (uintptr_t) methodID); | |
2285 #endif /* USDT2 */ | |
0 | 2286 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
2287 JavaValue jvalue(T_VOID); | |
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|
2288 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2289 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2290 JNI_END | |
2291 | |
2292 | |
4006 | 2293 #ifndef USDT2 |
0 | 2294 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
2295 \ | |
2296 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
2297 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
2298 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
2299 \ | |
2300 JNI_ENTRY(ResultType, \ | |
2301 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2302 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2303 \ | |
2304 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
2305 ResultType ret = 0;\ | |
2306 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2307 (const ResultType&)ret);\ | |
2308 \ | |
2309 va_list args; \ | |
2310 va_start(args, methodID); \ | |
2311 JavaValue jvalue(Tag); \ | |
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2312 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2313 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2314 va_end(args); \ | |
2315 ret = jvalue.get_##ResultType(); \ | |
2316 return ret;\ | |
2317 JNI_END \ | |
2318 \ | |
2319 JNI_ENTRY(ResultType, \ | |
2320 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2321 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2322 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
2323 ResultType ret = 0;\ | |
2324 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2325 (const ResultType&)ret);\ | |
2326 \ | |
2327 JavaValue jvalue(Tag); \ | |
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|
2328 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2329 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2330 ret = jvalue.get_##ResultType(); \ | |
2331 return ret;\ | |
2332 JNI_END \ | |
2333 \ | |
2334 JNI_ENTRY(ResultType, \ | |
2335 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2336 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2337 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
2338 ResultType ret = 0;\ | |
2339 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2340 (const ResultType&)ret);\ | |
2341 \ | |
2342 JavaValue jvalue(Tag); \ | |
2177
3582bf76420e
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|
2343 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2344 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2345 ret = jvalue.get_##ResultType(); \ | |
2346 return ret;\ | |
2347 JNI_END | |
2348 | |
2349 // the runtime type of subword integral basic types is integer | |
2350 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2351 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
2352 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
2353 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
2354 | |
2355 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
2356 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
2357 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
2358 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
2359 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
2360 | |
2361 | |
2362 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
2363 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
2364 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
2365 | |
4006 | 2366 #else /* USDT2 */ |
2367 | |
2368 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
2369 , EntryProbe, ResultProbe) \ | |
2370 \ | |
2371 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
2372 , ResultProbe); \ | |
2373 \ | |
2374 JNI_ENTRY(ResultType, \ | |
2375 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2376 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2377 \ | |
2378 EntryProbe; \ | |
2379 ResultType ret = 0;\ | |
2380 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2381 (const ResultType&)ret);\ | |
2382 \ | |
2383 va_list args; \ | |
2384 va_start(args, methodID); \ | |
2385 JavaValue jvalue(Tag); \ | |
2386 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2387 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2388 va_end(args); \ | |
2389 ret = jvalue.get_##ResultType(); \ | |
2390 return ret;\ | |
2391 JNI_END | |
2392 | |
2393 // the runtime type of subword integral basic types is integer | |
2394 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
2395 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2396 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
2397 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
2398 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2399 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
2400 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
2401 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2402 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
2403 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
2404 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2405 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
2406 | |
2407 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
2408 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2409 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
2410 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
2411 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2412 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
2413 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
2414 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2415 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
2416 // Float and double probes don't return value because dtrace doesn't currently support it | |
2417 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
2418 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2419 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
2420 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
2421 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2422 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
2423 | |
2424 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
2425 , EntryProbe, ResultProbe) \ | |
2426 \ | |
2427 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
2428 , ResultProbe); \ | |
2429 \ | |
2430 JNI_ENTRY(ResultType, \ | |
2431 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2432 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2433 \ | |
2434 EntryProbe; \ | |
2435 ResultType ret = 0;\ | |
2436 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2437 (const ResultType&)ret);\ | |
2438 \ | |
2439 JavaValue jvalue(Tag); \ | |
2440 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2441 /* Make sure class is initialized before trying to invoke its method */ \ | |
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2442 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
6983 | 2443 k()->initialize(CHECK_0); \ |
4006 | 2444 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2445 va_end(args); \ | |
2446 ret = jvalue.get_##ResultType(); \ | |
2447 return ret;\ | |
2448 JNI_END | |
2449 | |
2450 // the runtime type of subword integral basic types is integer | |
2451 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
2452 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2453 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
2454 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
2455 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2456 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
2457 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
2458 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2459 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
2460 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
2461 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2462 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
2463 | |
2464 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
2465 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2466 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
2467 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
2468 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2469 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
2470 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
2471 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2472 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
2473 // Float and double probes don't return value because dtrace doesn't currently support it | |
2474 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
2475 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2476 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
2477 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
2478 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2479 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
2480 | |
2481 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
2482 , EntryProbe, ResultProbe) \ | |
2483 \ | |
2484 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
2485 , ResultProbe); \ | |
2486 \ | |
2487 JNI_ENTRY(ResultType, \ | |
2488 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2489 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2490 \ | |
2491 EntryProbe; \ | |
2492 ResultType ret = 0;\ | |
2493 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2494 (const ResultType&)ret);\ | |
2495 \ | |
2496 JavaValue jvalue(Tag); \ | |
2497 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2498 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2499 ret = jvalue.get_##ResultType(); \ | |
2500 return ret;\ | |
2501 JNI_END | |
2502 | |
2503 // the runtime type of subword integral basic types is integer | |
2504 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
2505 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2506 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
2507 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
2508 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2509 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
2510 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
2511 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2512 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
2513 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
2514 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2515 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
2516 | |
2517 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
2518 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2519 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
2520 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
2521 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2522 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
2523 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
2524 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2525 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
2526 // Float and double probes don't return value because dtrace doesn't currently support it | |
2527 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
2528 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2529 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
2530 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
2531 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2532 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
2533 | |
2534 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
2535 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
2536 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
2537 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
2538 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
2539 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
2540 #endif /* USDT2 */ | |
2541 | |
0 | 2542 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
2543 JNIWrapper("CallStaticVoidMethod"); | |
4006 | 2544 #ifndef USDT2 |
0 | 2545 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
4006 | 2546 #else /* USDT2 */ |
2547 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
2548 env, cls, (uintptr_t) methodID); | |
2549 #endif /* USDT2 */ | |
0 | 2550 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
2551 | |
2552 va_list args; | |
2553 va_start(args, methodID); | |
2554 JavaValue jvalue(T_VOID); | |
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2555 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2556 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2557 va_end(args); | |
2558 JNI_END | |
2559 | |
2560 | |
2561 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
2562 JNIWrapper("CallStaticVoidMethodV"); | |
4006 | 2563 #ifndef USDT2 |
0 | 2564 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
4006 | 2565 #else /* USDT2 */ |
2566 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
2567 env, cls, (uintptr_t) methodID); | |
2568 #endif /* USDT2 */ | |
0 | 2569 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
2570 | |
2571 JavaValue jvalue(T_VOID); | |
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2572 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2573 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2574 JNI_END | |
2575 | |
2576 | |
2577 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
2578 JNIWrapper("CallStaticVoidMethodA"); | |
4006 | 2579 #ifndef USDT2 |
0 | 2580 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
4006 | 2581 #else /* USDT2 */ |
2582 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
2583 env, cls, (uintptr_t) methodID); | |
2584 #endif /* USDT2 */ | |
0 | 2585 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
2586 | |
2587 JavaValue jvalue(T_VOID); | |
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2588 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2589 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2590 JNI_END | |
2591 | |
2592 | |
2593 // | |
2594 // Accessing Fields | |
2595 // | |
2596 | |
2597 | |
4006 | 2598 #ifndef USDT2 |
0 | 2599 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
4006 | 2600 #else /* USDT2 */ |
2601 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
2602 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2603 #endif /* USDT2 */ | |
0 | 2604 |
2605 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
2606 const char *name, const char *sig)) | |
2607 JNIWrapper("GetFieldID"); | |
4006 | 2608 #ifndef USDT2 |
0 | 2609 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
4006 | 2610 #else /* USDT2 */ |
2611 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
2612 env, clazz, (char *) name, (char *) sig); | |
2613 #endif /* USDT2 */ | |
0 | 2614 jfieldID ret = 0; |
2615 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
2616 | |
2617 // The class should have been loaded (we have an instance of the class | |
2618 // passed in) so the field and signature should already be in the symbol | |
2619 // table. If they're not there, the field doesn't exist. | |
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2620 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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2621 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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2622 if (fieldname == NULL || signame == NULL) { |
0 | 2623 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2624 } | |
2625 KlassHandle k(THREAD, | |
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2626 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2627 // Make sure class is initialized before handing id's out to fields |
6983 | 2628 k()->initialize(CHECK_NULL); |
0 | 2629 |
2630 fieldDescriptor fd; | |
6983 | 2631 if (!k()->oop_is_instance() || |
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2632 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
0 | 2633 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2634 } | |
2635 | |
2636 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
2637 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
2638 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
2639 return ret; | |
2640 JNI_END | |
2641 | |
2642 | |
2643 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
2644 JNIWrapper("GetObjectField"); | |
4006 | 2645 #ifndef USDT2 |
0 | 2646 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
4006 | 2647 #else /* USDT2 */ |
2648 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
2649 env, obj, (uintptr_t) fieldID); | |
2650 #endif /* USDT2 */ | |
0 | 2651 oop o = JNIHandles::resolve_non_null(obj); |
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2652 Klass* k = o->klass(); |
0 | 2653 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2654 // Keep JVMTI addition small and only check enabled flag here. | |
2655 // jni_GetField_probe() assumes that is okay to create handles. | |
2656 if (JvmtiExport::should_post_field_access()) { | |
2657 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
2658 } | |
2659 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
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|
2660 #ifndef SERIALGC |
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|
2661 // If G1 is enabled and we are accessing the value of the referent |
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|
2662 // field in a reference object then we need to register a non-null |
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|
2663 // referent with the SATB barrier. |
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|
2664 if (UseG1GC) { |
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|
2665 bool needs_barrier = false; |
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|
2666 |
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|
2667 if (ret != NULL && |
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|
2668 offset == java_lang_ref_Reference::referent_offset && |
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2669 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
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2670 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
3249
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|
2671 needs_barrier = true; |
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|
2672 } |
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|
2673 |
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|
2674 if (needs_barrier) { |
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|
2675 oop referent = JNIHandles::resolve(ret); |
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|
2676 G1SATBCardTableModRefBS::enqueue(referent); |
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|
2677 } |
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|
2678 } |
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|
2679 #endif // SERIALGC |
4006 | 2680 #ifndef USDT2 |
0 | 2681 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
4006 | 2682 #else /* USDT2 */ |
2683 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
2684 ret); | |
2685 #endif /* USDT2 */ | |
0 | 2686 return ret; |
2687 JNI_END | |
2688 | |
2689 | |
4006 | 2690 #ifndef USDT2 |
0 | 2691 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
2692 \ | |
2693 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
2694 \ | |
2695 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2696 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2697 \ | |
2698 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
2699 Return ret = 0;\ | |
2700 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2701 \ | |
2702 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2703 Klass* k = o->klass(); \ |
0 | 2704 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2705 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2706 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2707 /* and creates a ResetNoHandleMark. */ \ | |
2708 if (JvmtiExport::should_post_field_access()) { \ | |
2709 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2710 } \ | |
2711 ret = o->Fieldname##_field(offset); \ | |
2712 return ret; \ | |
2713 JNI_END | |
2714 | |
2715 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
2716 DEFINE_GETFIELD(jbyte, byte, Byte) | |
2717 DEFINE_GETFIELD(jchar, char, Char) | |
2718 DEFINE_GETFIELD(jshort, short, Short) | |
2719 DEFINE_GETFIELD(jint, int, Int) | |
2720 DEFINE_GETFIELD(jlong, long, Long) | |
2721 DEFINE_GETFIELD(jfloat, float, Float) | |
2722 DEFINE_GETFIELD(jdouble, double, Double) | |
2723 | |
4006 | 2724 #else /* USDT2 */ |
2725 | |
2726 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
2727 , EntryProbe, ReturnProbe) \ | |
2728 \ | |
2729 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
2730 , ReturnProbe); \ | |
2731 \ | |
2732 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2733 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2734 \ | |
2735 EntryProbe; \ | |
2736 Return ret = 0;\ | |
2737 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2738 \ | |
2739 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2740 Klass* k = o->klass(); \ |
4006 | 2741 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2742 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2743 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2744 /* and creates a ResetNoHandleMark. */ \ | |
2745 if (JvmtiExport::should_post_field_access()) { \ | |
2746 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2747 } \ | |
2748 ret = o->Fieldname##_field(offset); \ | |
2749 return ret; \ | |
2750 JNI_END | |
2751 | |
2752 DEFINE_GETFIELD(jboolean, bool, Boolean | |
2753 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2754 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
2755 DEFINE_GETFIELD(jbyte, byte, Byte | |
2756 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2757 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
2758 DEFINE_GETFIELD(jchar, char, Char | |
2759 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2760 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
2761 DEFINE_GETFIELD(jshort, short, Short | |
2762 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2763 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
2764 DEFINE_GETFIELD(jint, int, Int | |
2765 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2766 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
2767 DEFINE_GETFIELD(jlong, long, Long | |
2768 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2769 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
2770 // Float and double probes don't return value because dtrace doesn't currently support it | |
2771 DEFINE_GETFIELD(jfloat, float, Float | |
2772 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2773 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
2774 DEFINE_GETFIELD(jdouble, double, Double | |
2775 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2776 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
2777 #endif /* USDT2 */ | |
2778 | |
0 | 2779 address jni_GetBooleanField_addr() { |
2780 return (address)jni_GetBooleanField; | |
2781 } | |
2782 address jni_GetByteField_addr() { | |
2783 return (address)jni_GetByteField; | |
2784 } | |
2785 address jni_GetCharField_addr() { | |
2786 return (address)jni_GetCharField; | |
2787 } | |
2788 address jni_GetShortField_addr() { | |
2789 return (address)jni_GetShortField; | |
2790 } | |
2791 address jni_GetIntField_addr() { | |
2792 return (address)jni_GetIntField; | |
2793 } | |
2794 address jni_GetLongField_addr() { | |
2795 return (address)jni_GetLongField; | |
2796 } | |
2797 address jni_GetFloatField_addr() { | |
2798 return (address)jni_GetFloatField; | |
2799 } | |
2800 address jni_GetDoubleField_addr() { | |
2801 return (address)jni_GetDoubleField; | |
2802 } | |
2803 | |
2804 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
2805 JNIWrapper("SetObjectField"); | |
4006 | 2806 #ifndef USDT2 |
0 | 2807 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
4006 | 2808 #else /* USDT2 */ |
2809 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
2810 env, obj, (uintptr_t) fieldID, value); | |
2811 #endif /* USDT2 */ | |
0 | 2812 oop o = JNIHandles::resolve_non_null(obj); |
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2813 Klass* k = o->klass(); |
0 | 2814 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2815 // Keep JVMTI addition small and only check enabled flag here. | |
2816 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
2817 // and creates a ResetNoHandleMark. | |
2818 if (JvmtiExport::should_post_field_modification()) { | |
2819 jvalue field_value; | |
2820 field_value.l = value; | |
2821 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
2822 } | |
2823 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
4006 | 2824 #ifndef USDT2 |
0 | 2825 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
4006 | 2826 #else /* USDT2 */ |
2827 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
2828 ); | |
2829 #endif /* USDT2 */ | |
0 | 2830 JNI_END |
2831 | |
4006 | 2832 #ifndef USDT2 |
0 | 2833 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
2834 \ | |
2835 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2836 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2837 \ | |
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2838 FP_SELECT_##Result( \ |
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2839 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
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2840 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
0 | 2841 \ |
2842 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2843 Klass* k = o->klass(); \ |
0 | 2844 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2845 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2846 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2847 /* and creates a ResetNoHandleMark. */ \ | |
2848 if (JvmtiExport::should_post_field_modification()) { \ | |
2849 jvalue field_value; \ | |
2850 field_value.unionType = value; \ | |
2851 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2852 } \ | |
2853 o->Fieldname##_field_put(offset, value); \ | |
2854 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
2855 JNI_END | |
2856 | |
2857 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
2858 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
2859 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
2860 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
2861 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
2862 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
2863 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
2864 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
2865 | |
4006 | 2866 #else /* USDT2 */ |
2867 | |
2868 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
2869 , EntryProbe, ReturnProbe) \ | |
2870 \ | |
2871 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2872 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2873 \ | |
2874 EntryProbe; \ | |
2875 \ | |
2876 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2877 Klass* k = o->klass(); \ |
4006 | 2878 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2879 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2880 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2881 /* and creates a ResetNoHandleMark. */ \ | |
2882 if (JvmtiExport::should_post_field_modification()) { \ | |
2883 jvalue field_value; \ | |
2884 field_value.unionType = value; \ | |
2885 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2886 } \ | |
2887 o->Fieldname##_field_put(offset, value); \ | |
2888 ReturnProbe; \ | |
2889 JNI_END | |
2890 | |
2891 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
2892 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2893 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
2894 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
2895 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2896 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
2897 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
2898 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2899 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
2900 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
2901 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2902 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
2903 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
2904 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2905 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
2906 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
2907 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2908 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
2909 // Float and double probes don't return value because dtrace doesn't currently support it | |
2910 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
2911 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2912 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
2913 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
2914 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2915 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
2916 #endif /* USDT2 */ | |
2917 | |
2918 #ifndef USDT2 | |
0 | 2919 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
4006 | 2920 #else /* USDT2 */ |
2921 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
2922 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
2923 #endif /* USDT2 */ | |
0 | 2924 |
2925 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
2926 JNIWrapper("ToReflectedField"); | |
4006 | 2927 #ifndef USDT2 |
0 | 2928 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
2929 env, cls, fieldID, isStatic); | |
4006 | 2930 #else /* USDT2 */ |
2931 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
2932 env, cls, (uintptr_t) fieldID, isStatic); | |
2933 #endif /* USDT2 */ | |
0 | 2934 jobject ret = NULL; |
2935 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
2936 | |
2937 fieldDescriptor fd; | |
2938 bool found = false; | |
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2939 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
0 | 2940 |
2941 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
2942 | |
2943 if (isStatic) { | |
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2944 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
0 | 2945 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2946 assert(id->is_static_field_id(), "invalid static field id"); | |
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2947 found = id->find_local_field(&fd); |
0 | 2948 } else { |
2949 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
2950 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
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2951 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
0 | 2952 } |
2953 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
2954 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
2955 ret = JNIHandles::make_local(env, reflected); | |
2956 return ret; | |
2957 JNI_END | |
2958 | |
2959 | |
2960 // | |
2961 // Accessing Static Fields | |
2962 // | |
4006 | 2963 #ifndef USDT2 |
0 | 2964 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
4006 | 2965 #else /* USDT2 */ |
2966 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
2967 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2968 #endif /* USDT2 */ | |
0 | 2969 |
2970 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
2971 const char *name, const char *sig)) | |
2972 JNIWrapper("GetStaticFieldID"); | |
4006 | 2973 #ifndef USDT2 |
0 | 2974 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
4006 | 2975 #else /* USDT2 */ |
2976 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
2977 env, clazz, (char *) name, (char *) sig); | |
2978 #endif /* USDT2 */ | |
0 | 2979 jfieldID ret = NULL; |
2980 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
2981 | |
2982 // The class should have been loaded (we have an instance of the class | |
2983 // passed in) so the field and signature should already be in the symbol | |
2984 // table. If they're not there, the field doesn't exist. | |
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|
2985 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
3582bf76420e
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|
2986 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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|
2987 if (fieldname == NULL || signame == NULL) { |
0 | 2988 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2989 } | |
2990 KlassHandle k(THREAD, | |
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2991 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2992 // Make sure class is initialized before handing id's out to static fields |
6983 | 2993 k()->initialize(CHECK_NULL); |
0 | 2994 |
2995 fieldDescriptor fd; | |
6983 | 2996 if (!k()->oop_is_instance() || |
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2997 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
0 | 2998 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2999 } | |
3000 | |
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3001 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
6940
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8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
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changeset
|
3002 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
0 | 3003 debug_only(id->set_is_static_field_id();) |
3004 | |
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|
3005 debug_only(id->verify(fd.field_holder())); |
0 | 3006 |
3007 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
3008 return ret; | |
3009 JNI_END | |
3010 | |
3011 | |
3012 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
3013 JNIWrapper("GetStaticObjectField"); | |
4006 | 3014 #ifndef USDT2 |
0 | 3015 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
4006 | 3016 #else /* USDT2 */ |
3017 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
3018 env, clazz, (uintptr_t) fieldID); | |
3019 #endif /* USDT2 */ | |
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|
3020 #if INCLUDE_JNI_CHECK |
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3021 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
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|
3022 #endif // INCLUDE_JNI_CHECK |
0 | 3023 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
3024 assert(id->is_static_field_id(), "invalid static field id"); | |
3025 // Keep JVMTI addition small and only check enabled flag here. | |
3026 // jni_GetField_probe() assumes that is okay to create handles. | |
3027 if (JvmtiExport::should_post_field_access()) { | |
3028 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
3029 } | |
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|
3030 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
4006 | 3031 #ifndef USDT2 |
0 | 3032 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
4006 | 3033 #else /* USDT2 */ |
3034 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
3035 ret); | |
3036 #endif /* USDT2 */ | |
0 | 3037 return ret; |
3038 JNI_END | |
3039 | |
4006 | 3040 #ifndef USDT2 |
0 | 3041 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
3042 \ | |
3043 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
3044 \ | |
3045 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3046 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3047 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
3048 Return ret = 0;\ | |
3049 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3050 (const Return&)ret);\ | |
3051 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3052 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3053 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3054 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3055 if (JvmtiExport::should_post_field_access()) { \ | |
3056 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3057 } \ | |
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|
3058 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
0 | 3059 return ret;\ |
3060 JNI_END | |
3061 | |
3062 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
3063 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
3064 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
3065 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
3066 DEFINE_GETSTATICFIELD(jint, int, Int) | |
3067 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
3068 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
3069 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
3070 | |
4006 | 3071 #else /* USDT2 */ |
3072 | |
3073 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
3074 , EntryProbe, ReturnProbe) \ | |
3075 \ | |
3076 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
3077 , ReturnProbe); \ | |
3078 \ | |
3079 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3080 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3081 EntryProbe; \ | |
3082 Return ret = 0;\ | |
3083 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3084 (const Return&)ret);\ | |
3085 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3086 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3087 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3088 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3089 if (JvmtiExport::should_post_field_access()) { \ | |
3090 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3091 } \ | |
3092 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
3093 return ret;\ | |
3094 JNI_END | |
3095 | |
3096 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
3097 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
3098 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
3099 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
3100 DEFINE_GETSTATICFIELD(jchar, char, Char | |
3101 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
3102 DEFINE_GETSTATICFIELD(jshort, short, Short | |
3103 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
3104 DEFINE_GETSTATICFIELD(jint, int, Int | |
3105 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
3106 DEFINE_GETSTATICFIELD(jlong, long, Long | |
3107 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
3108 // Float and double probes don't return value because dtrace doesn't currently support it | |
3109 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
3110 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
3111 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
3112 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
3113 #endif /* USDT2 */ | |
0 | 3114 |
3115 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
3116 JNIWrapper("SetStaticObjectField"); | |
4006 | 3117 #ifndef USDT2 |
0 | 3118 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
4006 | 3119 #else /* USDT2 */ |
3120 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
3121 env, clazz, (uintptr_t) fieldID, value); | |
3122 #endif /* USDT2 */ | |
0 | 3123 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
3124 assert(id->is_static_field_id(), "invalid static field id"); | |
3125 // Keep JVMTI addition small and only check enabled flag here. | |
3126 // jni_SetField_probe() assumes that is okay to create handles. | |
3127 if (JvmtiExport::should_post_field_modification()) { | |
3128 jvalue field_value; | |
3129 field_value.l = value; | |
3130 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
3131 } | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3132 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
4006 | 3133 #ifndef USDT2 |
0 | 3134 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
4006 | 3135 #else /* USDT2 */ |
3136 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
3137 ); | |
3138 #endif /* USDT2 */ | |
0 | 3139 JNI_END |
3140 | |
3141 | |
4006 | 3142 #ifndef USDT2 |
0 | 3143 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
3144 \ | |
3145 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3146 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
6837
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3147 FP_SELECT_##Result( \ |
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3148 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3149 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
0 | 3150 \ |
3151 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3152 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3153 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3154 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3155 if (JvmtiExport::should_post_field_modification()) { \ | |
3156 jvalue field_value; \ | |
3157 field_value.unionType = value; \ | |
3158 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3159 } \ | |
2376
c7f3d0b4570f
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parents:
2177
diff
changeset
|
3160 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
0 | 3161 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
3162 JNI_END | |
3163 | |
3164 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
3165 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
3166 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
3167 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
3168 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
3169 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
3170 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
3171 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
3172 | |
4006 | 3173 #else /* USDT2 */ |
3174 | |
3175 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
3176 , EntryProbe, ReturnProbe) \ | |
3177 \ | |
3178 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3179 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3180 EntryProbe; \ | |
3181 \ | |
3182 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3183 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3184 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3185 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3186 if (JvmtiExport::should_post_field_modification()) { \ | |
3187 jvalue field_value; \ | |
3188 field_value.unionType = value; \ | |
3189 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3190 } \ | |
3191 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
3192 ReturnProbe;\ | |
3193 JNI_END | |
3194 | |
3195 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
3196 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
3197 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
3198 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
3199 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3200 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
3201 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
3202 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3203 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
3204 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
3205 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3206 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
3207 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
3208 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3209 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
3210 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
3211 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3212 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
3213 // Float and double probes don't return value because dtrace doesn't currently support it | |
3214 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
3215 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3216 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
3217 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
3218 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3219 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
3220 #endif /* USDT2 */ | |
0 | 3221 |
3222 // | |
3223 // String Operations | |
3224 // | |
3225 | |
3226 // Unicode Interface | |
3227 | |
4006 | 3228 #ifndef USDT2 |
0 | 3229 DT_RETURN_MARK_DECL(NewString, jstring); |
4006 | 3230 #else /* USDT2 */ |
3231 DT_RETURN_MARK_DECL(NewString, jstring | |
3232 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
3233 #endif /* USDT2 */ | |
0 | 3234 |
3235 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
3236 JNIWrapper("NewString"); | |
4006 | 3237 #ifndef USDT2 |
0 | 3238 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
4006 | 3239 #else /* USDT2 */ |
3240 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
3241 env, (uint16_t *) unicodeChars, len); | |
3242 #endif /* USDT2 */ | |
0 | 3243 jstring ret = NULL; |
3244 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
3245 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
3246 ret = (jstring) JNIHandles::make_local(env, string); | |
3247 return ret; | |
3248 JNI_END | |
3249 | |
3250 | |
3251 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
3252 JNIWrapper("GetStringLength"); | |
4006 | 3253 #ifndef USDT2 |
0 | 3254 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
4006 | 3255 #else /* USDT2 */ |
3256 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
3257 env, string); | |
3258 #endif /* USDT2 */ | |
0 | 3259 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
4006 | 3260 #ifndef USDT2 |
0 | 3261 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
4006 | 3262 #else /* USDT2 */ |
3263 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
3264 ret); | |
3265 #endif /* USDT2 */ | |
0 | 3266 return ret; |
3267 JNI_END | |
3268 | |
3269 | |
3270 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
3271 JNIEnv *env, jstring string, jboolean *isCopy)) | |
3272 JNIWrapper("GetStringChars"); | |
4006 | 3273 #ifndef USDT2 |
0 | 3274 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
4006 | 3275 #else /* USDT2 */ |
3276 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
3277 env, string, (uintptr_t *) isCopy); | |
3278 #endif /* USDT2 */ | |
0 | 3279 //%note jni_5 |
3280 if (isCopy != NULL) { | |
3281 *isCopy = JNI_TRUE; | |
3282 } | |
3283 oop s = JNIHandles::resolve_non_null(string); | |
3284 int s_len = java_lang_String::length(s); | |
3285 typeArrayOop s_value = java_lang_String::value(s); | |
3286 int s_offset = java_lang_String::offset(s); | |
6197 | 3287 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1, mtInternal); // add one for zero termination |
0 | 3288 if (s_len > 0) { |
3289 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
3290 } | |
3291 buf[s_len] = 0; | |
4006 | 3292 #ifndef USDT2 |
0 | 3293 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
4006 | 3294 #else /* USDT2 */ |
3295 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
3296 buf); | |
3297 #endif /* USDT2 */ | |
0 | 3298 return buf; |
3299 JNI_END | |
3300 | |
3301 | |
3302 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
3303 JNIWrapper("ReleaseStringChars"); | |
4006 | 3304 #ifndef USDT2 |
0 | 3305 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
4006 | 3306 #else /* USDT2 */ |
3307 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
3308 env, str, (uint16_t *) chars); | |
3309 #endif /* USDT2 */ | |
0 | 3310 //%note jni_6 |
3311 if (chars != NULL) { | |
3312 // Since String objects are supposed to be immutable, don't copy any | |
3313 // new data back. A bad user will have to go after the char array. | |
3314 FreeHeap((void*) chars); | |
3315 } | |
4006 | 3316 #ifndef USDT2 |
0 | 3317 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
4006 | 3318 #else /* USDT2 */ |
3319 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
3320 ); | |
3321 #endif /* USDT2 */ | |
0 | 3322 JNI_END |
3323 | |
3324 | |
3325 // UTF Interface | |
3326 | |
4006 | 3327 #ifndef USDT2 |
0 | 3328 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
4006 | 3329 #else /* USDT2 */ |
3330 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
3331 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
3332 #endif /* USDT2 */ | |
0 | 3333 |
3334 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
3335 JNIWrapper("NewStringUTF"); | |
4006 | 3336 #ifndef USDT2 |
0 | 3337 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
4006 | 3338 #else /* USDT2 */ |
3339 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
3340 env, (char *) bytes); | |
3341 #endif /* USDT2 */ | |
0 | 3342 jstring ret; |
3343 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
3344 | |
3345 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
3346 ret = (jstring) JNIHandles::make_local(env, result); | |
3347 return ret; | |
3348 JNI_END | |
3349 | |
3350 | |
3351 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
3352 JNIWrapper("GetStringUTFLength"); | |
4006 | 3353 #ifndef USDT2 |
0 | 3354 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
4006 | 3355 #else /* USDT2 */ |
3356 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
3357 env, string); | |
3358 #endif /* USDT2 */ | |
0 | 3359 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
4006 | 3360 #ifndef USDT2 |
0 | 3361 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
4006 | 3362 #else /* USDT2 */ |
3363 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
3364 ret); | |
3365 #endif /* USDT2 */ | |
0 | 3366 return ret; |
3367 JNI_END | |
3368 | |
3369 | |
3370 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
3371 JNIWrapper("GetStringUTFChars"); | |
4006 | 3372 #ifndef USDT2 |
0 | 3373 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
4006 | 3374 #else /* USDT2 */ |
3375 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
3376 env, string, (uintptr_t *) isCopy); | |
3377 #endif /* USDT2 */ | |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3378 oop java_string = JNIHandles::resolve_non_null(string); |
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3379 size_t length = java_lang_String::utf8_length(java_string); |
6197 | 3380 char* result = AllocateHeap(length + 1, mtInternal); |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3381 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
0 | 3382 if (isCopy != NULL) *isCopy = JNI_TRUE; |
4006 | 3383 #ifndef USDT2 |
0 | 3384 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
4006 | 3385 #else /* USDT2 */ |
3386 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
3387 result); | |
3388 #endif /* USDT2 */ | |
0 | 3389 return result; |
3390 JNI_END | |
3391 | |
3392 | |
3393 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
3394 JNIWrapper("ReleaseStringUTFChars"); | |
4006 | 3395 #ifndef USDT2 |
0 | 3396 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
4006 | 3397 #else /* USDT2 */ |
3398 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
3399 env, str, (char *) chars); | |
3400 #endif /* USDT2 */ | |
0 | 3401 if (chars != NULL) { |
3402 FreeHeap((char*) chars); | |
3403 } | |
4006 | 3404 #ifndef USDT2 |
0 | 3405 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
4006 | 3406 #else /* USDT2 */ |
3407 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
3408 ); | |
3409 #endif /* USDT2 */ | |
0 | 3410 JNI_END |
3411 | |
3412 | |
3413 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
3414 JNIWrapper("GetArrayLength"); | |
4006 | 3415 #ifndef USDT2 |
0 | 3416 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
4006 | 3417 #else /* USDT2 */ |
3418 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
3419 env, array); | |
3420 #endif /* USDT2 */ | |
0 | 3421 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
3422 assert(a->is_array(), "must be array"); | |
3423 jsize ret = a->length(); | |
4006 | 3424 #ifndef USDT2 |
0 | 3425 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
4006 | 3426 #else /* USDT2 */ |
3427 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
3428 ret); | |
3429 #endif /* USDT2 */ | |
0 | 3430 return ret; |
3431 JNI_END | |
3432 | |
3433 | |
3434 // | |
3435 // Object Array Operations | |
3436 // | |
3437 | |
4006 | 3438 #ifndef USDT2 |
0 | 3439 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
4006 | 3440 #else /* USDT2 */ |
3441 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
3442 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
3443 #endif /* USDT2 */ | |
0 | 3444 |
3445 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
3446 JNIWrapper("NewObjectArray"); | |
4006 | 3447 #ifndef USDT2 |
0 | 3448 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
4006 | 3449 #else /* USDT2 */ |
3450 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
3451 env, length, elementClass, initialElement); | |
3452 #endif /* USDT2 */ | |
0 | 3453 jobjectArray ret = NULL; |
3454 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
3455 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
6983 | 3456 Klass* ako = ek()->array_klass(CHECK_NULL); |
0 | 3457 KlassHandle ak = KlassHandle(THREAD, ako); |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3458 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3459 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
0 | 3460 oop initial_value = JNIHandles::resolve(initialElement); |
3461 if (initial_value != NULL) { // array already initialized with NULL | |
3462 for (int index = 0; index < length; index++) { | |
3463 result->obj_at_put(index, initial_value); | |
3464 } | |
3465 } | |
3466 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
3467 return ret; | |
3468 JNI_END | |
3469 | |
4006 | 3470 #ifndef USDT2 |
0 | 3471 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
4006 | 3472 #else /* USDT2 */ |
3473 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
3474 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
3475 #endif /* USDT2 */ | |
0 | 3476 |
3477 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
3478 JNIWrapper("GetObjectArrayElement"); | |
4006 | 3479 #ifndef USDT2 |
0 | 3480 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
4006 | 3481 #else /* USDT2 */ |
3482 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
3483 env, array, index); | |
3484 #endif /* USDT2 */ | |
0 | 3485 jobject ret = NULL; |
3486 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
3487 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3488 if (a->is_within_bounds(index)) { | |
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3489 ret = JNIHandles::make_local(env, a->obj_at(index)); |
0 | 3490 return ret; |
3491 } else { | |
3492 char buf[jintAsStringSize]; | |
3493 sprintf(buf, "%d", index); | |
3494 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3495 } | |
3496 JNI_END | |
3497 | |
4006 | 3498 #ifndef USDT2 |
0 | 3499 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
4006 | 3500 #else /* USDT2 */ |
3501 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
3502 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
3503 #endif /* USDT2 */ | |
0 | 3504 |
3505 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
3506 JNIWrapper("SetObjectArrayElement"); | |
4006 | 3507 #ifndef USDT2 |
0 | 3508 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
4006 | 3509 #else /* USDT2 */ |
3510 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
3511 env, array, index, value); | |
3512 #endif /* USDT2 */ | |
0 | 3513 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
3514 | |
3515 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3516 oop v = JNIHandles::resolve(value); | |
3517 if (a->is_within_bounds(index)) { | |
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3518 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
0 | 3519 a->obj_at_put(index, v); |
3520 } else { | |
3521 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
3522 } | |
3523 } else { | |
3524 char buf[jintAsStringSize]; | |
3525 sprintf(buf, "%d", index); | |
3526 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3527 } | |
3528 JNI_END | |
3529 | |
3530 | |
4006 | 3531 #ifndef USDT2 |
0 | 3532 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
3533 \ | |
4006 | 3534 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
0 | 3535 \ |
3536 JNI_ENTRY(Return, \ | |
3537 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3538 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3539 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
3540 Return ret = NULL;\ | |
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3541 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
0 | 3542 \ |
3543 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3544 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3545 return ret;\ | |
3546 JNI_END | |
3547 | |
3548 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
3549 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
3550 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
3551 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
3552 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
3553 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
3554 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
3555 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
3556 | |
4006 | 3557 #else /* USDT2 */ |
3558 | |
3559 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
3560 ,EntryProbe,ReturnProbe) \ | |
3561 \ | |
3562 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
3563 , ReturnProbe); \ | |
3564 \ | |
3565 JNI_ENTRY(Return, \ | |
3566 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3567 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3568 EntryProbe; \ | |
3569 Return ret = NULL;\ | |
3570 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
3571 \ | |
3572 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3573 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3574 return ret;\ | |
3575 JNI_END | |
3576 | |
3577 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
3578 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
3579 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
3580 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
3581 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
3582 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
3583 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
3584 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
3585 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
3586 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
3587 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
3588 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
3589 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
3590 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
3591 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
3592 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
3593 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
3594 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
3595 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
3596 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
3597 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
3598 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
3599 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
3600 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
3601 #endif /* USDT2 */ | |
0 | 3602 |
3603 // Return an address which will fault if the caller writes to it. | |
3604 | |
3605 static char* get_bad_address() { | |
3606 static char* bad_address = NULL; | |
3607 if (bad_address == NULL) { | |
3608 size_t size = os::vm_allocation_granularity(); | |
3609 bad_address = os::reserve_memory(size); | |
3610 if (bad_address != NULL) { | |
477
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|
3611 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
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3612 /*is_committed*/false); |
0 | 3613 } |
3614 } | |
3615 return bad_address; | |
3616 } | |
3617 | |
3618 | |
4006 | 3619 #ifndef USDT2 |
0 | 3620 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
3621 \ | |
3622 JNI_QUICK_ENTRY(ElementType*, \ | |
3623 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3624 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3625 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
3626 /* allocate an chunk of memory in c land */ \ | |
3627 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3628 ElementType* result; \ | |
3629 int len = a->length(); \ | |
3630 if (len == 0) { \ | |
3631 /* Empty array: legal but useless, can't return NULL. \ | |
3632 * Return a pointer to something useless. \ | |
3633 * Avoid asserts in typeArrayOop. */ \ | |
3634 result = (ElementType*)get_bad_address(); \ | |
3635 } else { \ | |
6197 | 3636 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
0 | 3637 /* copy the array to the c chunk */ \ |
3638 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3639 } \ | |
3640 if (isCopy) *isCopy = JNI_TRUE; \ | |
3641 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
3642 return result; \ | |
3643 JNI_END | |
3644 | |
3645 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3646 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3647 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3648 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3649 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3650 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3651 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3652 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3653 | |
4006 | 3654 #else /* USDT2 */ |
3655 | |
3656 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
3657 , EntryProbe, ReturnProbe) \ | |
3658 \ | |
3659 JNI_QUICK_ENTRY(ElementType*, \ | |
3660 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3661 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3662 EntryProbe; \ | |
3663 /* allocate an chunk of memory in c land */ \ | |
3664 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3665 ElementType* result; \ | |
3666 int len = a->length(); \ | |
3667 if (len == 0) { \ | |
3668 /* Empty array: legal but useless, can't return NULL. \ | |
3669 * Return a pointer to something useless. \ | |
3670 * Avoid asserts in typeArrayOop. */ \ | |
3671 result = (ElementType*)get_bad_address(); \ | |
3672 } else { \ | |
6197 | 3673 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
4006 | 3674 /* copy the array to the c chunk */ \ |
3675 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3676 } \ | |
3677 if (isCopy) *isCopy = JNI_TRUE; \ | |
3678 ReturnProbe; \ | |
3679 return result; \ | |
3680 JNI_END | |
3681 | |
3682 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3683 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3684 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
3685 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3686 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3687 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
3688 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3689 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3690 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
3691 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3692 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3693 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
3694 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3695 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3696 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
3697 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3698 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3699 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
3700 // Float and double probes don't return value because dtrace doesn't currently support it | |
3701 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3702 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3703 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
3704 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3705 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3706 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
3707 #endif /* USDT2 */ | |
3708 | |
3709 #ifndef USDT2 | |
0 | 3710 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
3711 \ | |
3712 JNI_QUICK_ENTRY(void, \ | |
3713 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3714 ElementType *buf, jint mode)) \ | |
3715 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3716 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
3717 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3718 int len = a->length(); \ | |
3719 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3720 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3721 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3722 } \ | |
3723 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3724 FreeHeap(buf); \ | |
3725 } \ | |
3726 } \ | |
3727 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
3728 JNI_END | |
3729 | |
3730 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3731 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3732 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3733 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3734 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3735 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3736 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3737 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3738 | |
4006 | 3739 #else /* USDT2 */ |
3740 | |
3741 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
3742 , EntryProbe, ReturnProbe);\ | |
3743 \ | |
3744 JNI_QUICK_ENTRY(void, \ | |
3745 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3746 ElementType *buf, jint mode)) \ | |
3747 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3748 EntryProbe; \ | |
3749 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3750 int len = a->length(); \ | |
3751 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3752 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3753 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3754 } \ | |
3755 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3756 FreeHeap(buf); \ | |
3757 } \ | |
3758 } \ | |
3759 ReturnProbe; \ | |
3760 JNI_END | |
3761 | |
3762 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3763 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3764 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
3765 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3766 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
3767 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
3768 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3769 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3770 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
3771 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3772 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3773 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
3774 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3775 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
3776 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
3777 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3778 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3779 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
3780 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3781 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
3782 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
3783 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3784 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
3785 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
3786 #endif /* USDT2 */ | |
3787 | |
3788 #ifndef USDT2 | |
0 | 3789 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3790 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
3791 \ | |
3792 JNI_ENTRY(void, \ | |
3793 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3794 jsize len, ElementType *buf)) \ | |
3795 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3796 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3797 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3798 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3799 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3800 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3801 } else { \ | |
3802 if (len > 0) { \ | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
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6725
diff
changeset
|
3803 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
0 | 3804 memcpy((u_char*) buf, \ |
3805 (u_char*) src->Tag##_at_addr(start), \ | |
3806 len << sc); \ | |
3807 } \ | |
3808 } \ | |
3809 JNI_END | |
3810 | |
3811 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
3812 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3813 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3814 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3815 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3816 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3817 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3818 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3819 | |
4006 | 3820 #else /* USDT2 */ |
3821 | |
3822 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3823 , EntryProbe, ReturnProbe); \ | |
3824 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
3825 , ReturnProbe); \ | |
3826 \ | |
3827 JNI_ENTRY(void, \ | |
3828 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3829 jsize len, ElementType *buf)) \ | |
3830 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3831 EntryProbe; \ | |
3832 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3833 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3834 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3835 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3836 } else { \ | |
3837 if (len > 0) { \ | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
changeset
|
3838 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
4006 | 3839 memcpy((u_char*) buf, \ |
3840 (u_char*) src->Tag##_at_addr(start), \ | |
3841 len << sc); \ | |
3842 } \ | |
3843 } \ | |
3844 JNI_END | |
3845 | |
3846 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
3847 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3848 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
3849 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3850 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3851 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
3852 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3853 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3854 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
3855 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3856 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
3857 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
3858 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
3859 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
3860 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
3861 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3862 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3863 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
3864 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3865 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3866 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
3867 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3868 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3869 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
3870 #endif /* USDT2 */ | |
3871 | |
3872 #ifndef USDT2 | |
0 | 3873 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3874 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
3875 \ | |
3876 JNI_ENTRY(void, \ | |
3877 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3878 jsize len, const ElementType *buf)) \ | |
3879 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3880 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3881 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3882 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3883 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3884 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3885 } else { \ | |
3886 if (len > 0) { \ | |
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3887 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
0 | 3888 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3889 (u_char*) buf, \ | |
3890 len << sc); \ | |
3891 } \ | |
3892 } \ | |
3893 JNI_END | |
3894 | |
3895 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
3896 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3897 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3898 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3899 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3900 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3901 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3902 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3903 | |
4006 | 3904 #else /* USDT2 */ |
3905 | |
3906 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3907 , EntryProbe, ReturnProbe); \ | |
3908 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
3909 ,ReturnProbe); \ | |
3910 \ | |
3911 JNI_ENTRY(void, \ | |
3912 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3913 jsize len, const ElementType *buf)) \ | |
3914 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3915 EntryProbe; \ | |
3916 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3917 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3918 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3919 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3920 } else { \ | |
3921 if (len > 0) { \ | |
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3922 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
4006 | 3923 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3924 (u_char*) buf, \ | |
3925 len << sc); \ | |
3926 } \ | |
3927 } \ | |
3928 JNI_END | |
3929 | |
3930 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
3931 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
3932 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
3933 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3934 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3935 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
3936 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3937 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3938 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
3939 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3940 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3941 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
3942 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
3943 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
3944 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
3945 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3946 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3947 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
3948 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3949 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3950 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
3951 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3952 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3953 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
3954 #endif /* USDT2 */ | |
3955 | |
0 | 3956 |
3957 // | |
3958 // Interception of natives | |
3959 // | |
3960 | |
3961 // The RegisterNatives call being attempted tried to register with a method that | |
3962 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
3963 // to see if the native method is now wrapped with the prefixes. See the | |
3964 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
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3965 static Method* find_prefixed_native(KlassHandle k, |
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3966 Symbol* name, Symbol* signature, TRAPS) { |
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3967 #if INCLUDE_JVMTI |
0 | 3968 ResourceMark rm(THREAD); |
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3969 Method* method; |
0 | 3970 int name_len = name->utf8_length(); |
3971 char* name_str = name->as_utf8(); | |
3972 int prefix_count; | |
3973 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
3974 for (int i = 0; i < prefix_count; i++) { | |
3975 char* prefix = prefixes[i]; | |
3976 int prefix_len = (int)strlen(prefix); | |
3977 | |
3978 // try adding this prefix to the method name and see if it matches another method name | |
3979 int trial_len = name_len + prefix_len; | |
3980 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
3981 strcpy(trial_name_str, prefix); | |
3982 strcat(trial_name_str, name_str); | |
2177
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3983 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
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3984 if (trial_name == NULL) { |
0 | 3985 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
3986 } | |
6983 | 3987 method = k()->lookup_method(trial_name, signature); |
0 | 3988 if (method == NULL) { |
3989 continue; // signature doesn't match, try the next prefix | |
3990 } | |
3991 if (method->is_native()) { | |
3992 method->set_is_prefixed_native(); | |
3993 return method; // wahoo, we found a prefixed version of the method, return it | |
3994 } | |
3995 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
3996 name_len = trial_len; | |
3997 name_str = trial_name_str; | |
3998 } | |
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3999 #endif // INCLUDE_JVMTI |
0 | 4000 return NULL; // not found |
4001 } | |
4002 | |
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4003 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
6983 | 4004 Method* method = k()->lookup_method(name, signature); |
0 | 4005 if (method == NULL) { |
4006 ResourceMark rm; | |
4007 stringStream st; | |
4008 st.print("Method %s name or signature does not match", | |
6983 | 4009 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 4010 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
4011 } | |
4012 if (!method->is_native()) { | |
4013 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
4014 method = find_prefixed_native(k, name, signature, THREAD); | |
4015 if (method == NULL) { | |
4016 ResourceMark rm; | |
4017 stringStream st; | |
4018 st.print("Method %s is not declared as native", | |
6983 | 4019 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 4020 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
4021 } | |
4022 } | |
4023 | |
4024 if (entry != NULL) { | |
4025 method->set_native_function(entry, | |
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4026 Method::native_bind_event_is_interesting); |
0 | 4027 } else { |
4028 method->clear_native_function(); | |
4029 } | |
4030 if (PrintJNIResolving) { | |
4031 ResourceMark rm(THREAD); | |
4032 tty->print_cr("[Registering JNI native method %s.%s]", | |
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4033 method->method_holder()->external_name(), |
0 | 4034 method->name()->as_C_string()); |
4035 } | |
4036 return true; | |
4037 } | |
4038 | |
4006 | 4039 #ifndef USDT2 |
0 | 4040 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
4006 | 4041 #else /* USDT2 */ |
4042 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
4043 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
4044 #endif /* USDT2 */ | |
0 | 4045 |
4046 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
4047 const JNINativeMethod *methods, | |
4048 jint nMethods)) | |
4049 JNIWrapper("RegisterNatives"); | |
4006 | 4050 #ifndef USDT2 |
0 | 4051 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
4006 | 4052 #else /* USDT2 */ |
4053 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
4054 env, clazz, (void *) methods, nMethods); | |
4055 #endif /* USDT2 */ | |
0 | 4056 jint ret = 0; |
4057 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
4058 | |
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4059 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 4060 |
4061 for (int index = 0; index < nMethods; index++) { | |
4062 const char* meth_name = methods[index].name; | |
4063 const char* meth_sig = methods[index].signature; | |
4064 int meth_name_len = (int)strlen(meth_name); | |
4065 | |
4066 // The class should have been loaded (we have an instance of the class | |
4067 // passed in) so the method and signature should already be in the symbol | |
4068 // table. If they're not there, the method doesn't exist. | |
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4069 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
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|
4070 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
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|
4071 |
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|
4072 if (name == NULL || signature == NULL) { |
0 | 4073 ResourceMark rm; |
4074 stringStream st; | |
6983 | 4075 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
0 | 4076 // Must return negative value on failure |
4077 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
4078 } | |
4079 | |
4080 bool res = register_native(h_k, name, signature, | |
4081 (address) methods[index].fnPtr, THREAD); | |
4082 if (!res) { | |
4083 ret = -1; | |
4084 break; | |
4085 } | |
4086 } | |
4087 return ret; | |
4088 JNI_END | |
4089 | |
4090 | |
4091 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
4092 JNIWrapper("UnregisterNatives"); | |
4006 | 4093 #ifndef USDT2 |
0 | 4094 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
4006 | 4095 #else /* USDT2 */ |
4096 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
4097 env, clazz); | |
4098 #endif /* USDT2 */ | |
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4099 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
0 | 4100 //%note jni_2 |
6983 | 4101 if (k->oop_is_instance()) { |
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4102 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
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4103 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
0 | 4104 if (m->is_native()) { |
4105 m->clear_native_function(); | |
4106 m->set_signature_handler(NULL); | |
4107 } | |
4108 } | |
4109 } | |
4006 | 4110 #ifndef USDT2 |
0 | 4111 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
4006 | 4112 #else /* USDT2 */ |
4113 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
4114 0); | |
4115 #endif /* USDT2 */ | |
0 | 4116 return 0; |
4117 JNI_END | |
4118 | |
4119 // | |
4120 // Monitor functions | |
4121 // | |
4122 | |
4006 | 4123 #ifndef USDT2 |
0 | 4124 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
4006 | 4125 #else /* USDT2 */ |
4126 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
4127 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
4128 #endif /* USDT2 */ | |
0 | 4129 |
4130 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
4006 | 4131 #ifndef USDT2 |
0 | 4132 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
4006 | 4133 #else /* USDT2 */ |
4134 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
4135 env, jobj); | |
4136 #endif /* USDT2 */ | |
0 | 4137 jint ret = JNI_ERR; |
4138 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
4139 | |
4140 // If the object is null, we can't do anything with it | |
4141 if (jobj == NULL) { | |
4142 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4143 } | |
4144 | |
4145 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
4146 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
4147 ret = JNI_OK; | |
4148 return ret; | |
4149 JNI_END | |
4150 | |
4006 | 4151 #ifndef USDT2 |
0 | 4152 DT_RETURN_MARK_DECL(MonitorExit, jint); |
4006 | 4153 #else /* USDT2 */ |
4154 DT_RETURN_MARK_DECL(MonitorExit, jint | |
4155 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
4156 #endif /* USDT2 */ | |
0 | 4157 |
4158 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
4006 | 4159 #ifndef USDT2 |
0 | 4160 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
4006 | 4161 #else /* USDT2 */ |
4162 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
4163 env, jobj); | |
4164 #endif /* USDT2 */ | |
0 | 4165 jint ret = JNI_ERR; |
4166 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
4167 | |
4168 // Don't do anything with a null object | |
4169 if (jobj == NULL) { | |
4170 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4171 } | |
4172 | |
4173 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
4174 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
4175 | |
4176 ret = JNI_OK; | |
4177 return ret; | |
4178 JNI_END | |
4179 | |
4180 // | |
4181 // Extensions | |
4182 // | |
4183 | |
4006 | 4184 #ifndef USDT2 |
0 | 4185 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
4006 | 4186 #else /* USDT2 */ |
4187 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
4188 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
4189 #endif /* USDT2 */ | |
0 | 4190 |
4191 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
4192 JNIWrapper("GetStringRegion"); | |
4006 | 4193 #ifndef USDT2 |
0 | 4194 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
4006 | 4195 #else /* USDT2 */ |
4196 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
4197 env, string, start, len, buf); | |
4198 #endif /* USDT2 */ | |
0 | 4199 DT_VOID_RETURN_MARK(GetStringRegion); |
4200 oop s = JNIHandles::resolve_non_null(string); | |
4201 int s_len = java_lang_String::length(s); | |
4202 if (start < 0 || len < 0 || start + len > s_len) { | |
4203 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4204 } else { | |
4205 if (len > 0) { | |
4206 int s_offset = java_lang_String::offset(s); | |
4207 typeArrayOop s_value = java_lang_String::value(s); | |
4208 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
4209 } | |
4210 } | |
4211 JNI_END | |
4212 | |
4006 | 4213 #ifndef USDT2 |
0 | 4214 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
4006 | 4215 #else /* USDT2 */ |
4216 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
4217 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
4218 #endif /* USDT2 */ | |
0 | 4219 |
4220 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
4221 JNIWrapper("GetStringUTFRegion"); | |
4006 | 4222 #ifndef USDT2 |
0 | 4223 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
4006 | 4224 #else /* USDT2 */ |
4225 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
4226 env, string, start, len, buf); | |
4227 #endif /* USDT2 */ | |
0 | 4228 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
4229 oop s = JNIHandles::resolve_non_null(string); | |
4230 int s_len = java_lang_String::length(s); | |
4231 if (start < 0 || len < 0 || start + len > s_len) { | |
4232 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4233 } else { | |
4234 //%note jni_7 | |
4235 if (len > 0) { | |
4236 ResourceMark rm(THREAD); | |
4237 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
4238 int utf_len = (int)strlen(utf_region); | |
4239 memcpy(buf, utf_region, utf_len); | |
4240 buf[utf_len] = 0; | |
4241 } else { | |
4242 // JDK null-terminates the buffer even in len is zero | |
4243 if (buf != NULL) { | |
4244 buf[0] = 0; | |
4245 } | |
4246 } | |
4247 } | |
4248 JNI_END | |
4249 | |
4250 | |
4251 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
4252 JNIWrapper("GetPrimitiveArrayCritical"); | |
4006 | 4253 #ifndef USDT2 |
0 | 4254 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
4006 | 4255 #else /* USDT2 */ |
4256 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
4257 env, array, (uintptr_t *) isCopy); | |
4258 #endif /* USDT2 */ | |
0 | 4259 GC_locker::lock_critical(thread); |
4260 if (isCopy != NULL) { | |
4261 *isCopy = JNI_FALSE; | |
4262 } | |
4263 oop a = JNIHandles::resolve_non_null(array); | |
4264 assert(a->is_array(), "just checking"); | |
4265 BasicType type; | |
4266 if (a->is_objArray()) { | |
4267 type = T_OBJECT; | |
4268 } else { | |
6831
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diff
changeset
|
4269 type = TypeArrayKlass::cast(a->klass())->element_type(); |
0 | 4270 } |
4271 void* ret = arrayOop(a)->base(type); | |
4006 | 4272 #ifndef USDT2 |
0 | 4273 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
4006 | 4274 #else /* USDT2 */ |
4275 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
4276 ret); | |
4277 #endif /* USDT2 */ | |
0 | 4278 return ret; |
4279 JNI_END | |
4280 | |
4281 | |
4282 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
4283 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
4006 | 4284 #ifndef USDT2 |
0 | 4285 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
4006 | 4286 #else /* USDT2 */ |
4287 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
4288 env, array, carray, mode); | |
4289 #endif /* USDT2 */ | |
0 | 4290 // The array, carray and mode arguments are ignored |
4291 GC_locker::unlock_critical(thread); | |
4006 | 4292 #ifndef USDT2 |
0 | 4293 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
4006 | 4294 #else /* USDT2 */ |
4295 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
4296 ); | |
4297 #endif /* USDT2 */ | |
0 | 4298 JNI_END |
4299 | |
4300 | |
4301 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
4302 JNIWrapper("GetStringCritical"); | |
4006 | 4303 #ifndef USDT2 |
0 | 4304 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
4006 | 4305 #else /* USDT2 */ |
4306 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
4307 env, string, (uintptr_t *) isCopy); | |
4308 #endif /* USDT2 */ | |
0 | 4309 GC_locker::lock_critical(thread); |
4310 if (isCopy != NULL) { | |
4311 *isCopy = JNI_FALSE; | |
4312 } | |
4313 oop s = JNIHandles::resolve_non_null(string); | |
4314 int s_len = java_lang_String::length(s); | |
4315 typeArrayOop s_value = java_lang_String::value(s); | |
4316 int s_offset = java_lang_String::offset(s); | |
4317 const jchar* ret; | |
4318 if (s_len > 0) { | |
4319 ret = s_value->char_at_addr(s_offset); | |
4320 } else { | |
4321 ret = (jchar*) s_value->base(T_CHAR); | |
4322 } | |
4006 | 4323 #ifndef USDT2 |
0 | 4324 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
4006 | 4325 #else /* USDT2 */ |
4326 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
4327 (uint16_t *) ret); | |
4328 #endif /* USDT2 */ | |
0 | 4329 return ret; |
4330 JNI_END | |
4331 | |
4332 | |
4333 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
4334 JNIWrapper("ReleaseStringCritical"); | |
4006 | 4335 #ifndef USDT2 |
0 | 4336 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
4006 | 4337 #else /* USDT2 */ |
4338 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
4339 env, str, (uint16_t *) chars); | |
4340 #endif /* USDT2 */ | |
0 | 4341 // The str and chars arguments are ignored |
4342 GC_locker::unlock_critical(thread); | |
4006 | 4343 #ifndef USDT2 |
0 | 4344 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
4006 | 4345 #else /* USDT2 */ |
4346 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
4347 ); | |
4348 #endif /* USDT2 */ | |
0 | 4349 JNI_END |
4350 | |
4351 | |
4352 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
4353 JNIWrapper("jni_NewWeakGlobalRef"); | |
4006 | 4354 #ifndef USDT2 |
0 | 4355 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
4006 | 4356 #else /* USDT2 */ |
4357 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
4358 env, ref); | |
4359 #endif /* USDT2 */ | |
0 | 4360 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
4361 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
4006 | 4362 #ifndef USDT2 |
0 | 4363 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
4006 | 4364 #else /* USDT2 */ |
4365 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
4366 ret); | |
4367 #endif /* USDT2 */ | |
0 | 4368 return ret; |
4369 JNI_END | |
4370 | |
4371 // Must be JNI_ENTRY (with HandleMark) | |
4372 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
4373 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
4006 | 4374 #ifndef USDT2 |
0 | 4375 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
4006 | 4376 #else /* USDT2 */ |
4377 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
4378 env, ref); | |
4379 #endif /* USDT2 */ | |
0 | 4380 JNIHandles::destroy_weak_global(ref); |
4006 | 4381 #ifndef USDT2 |
0 | 4382 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
4006 | 4383 #else /* USDT2 */ |
4384 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
4385 ); | |
4386 #endif /* USDT2 */ | |
0 | 4387 JNI_END |
4388 | |
4389 | |
4390 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
4391 JNIWrapper("jni_ExceptionCheck"); | |
4006 | 4392 #ifndef USDT2 |
0 | 4393 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
4006 | 4394 #else /* USDT2 */ |
4395 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
4396 env); | |
4397 #endif /* USDT2 */ | |
0 | 4398 jni_check_async_exceptions(thread); |
4399 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
4006 | 4400 #ifndef USDT2 |
0 | 4401 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
4006 | 4402 #else /* USDT2 */ |
4403 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
4404 ret); | |
4405 #endif /* USDT2 */ | |
0 | 4406 return ret; |
4407 JNI_END | |
4408 | |
4409 | |
4410 // Initialization state for three routines below relating to | |
4411 // java.nio.DirectBuffers | |
4412 static jint directBufferSupportInitializeStarted = 0; | |
4413 static volatile jint directBufferSupportInitializeEnded = 0; | |
4414 static volatile jint directBufferSupportInitializeFailed = 0; | |
4415 static jclass bufferClass = NULL; | |
4416 static jclass directBufferClass = NULL; | |
4417 static jclass directByteBufferClass = NULL; | |
4418 static jmethodID directByteBufferConstructor = NULL; | |
4419 static jfieldID directBufferAddressField = NULL; | |
4420 static jfieldID bufferCapacityField = NULL; | |
4421 | |
4422 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
4423 Handle loader; // null (bootstrap) loader | |
4424 Handle protection_domain; // null protection domain | |
4425 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4426 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4427 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4428 |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4429 if (TraceClassResolution && result != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4430 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4431 } |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4432 return result; |
0 | 4433 } |
4434 | |
4435 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
4436 // circumvent any security checks that would be done by jni_FindClass. | |
4437 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
4438 { | |
4439 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
4440 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
4441 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
4442 return true; | |
4443 } | |
4444 JNI_END | |
4445 | |
4446 | |
4447 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
4448 if (directBufferSupportInitializeFailed) { | |
4449 return false; | |
4450 } | |
4451 | |
4452 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
4453 if (!lookupDirectBufferClasses(env)) { | |
4454 directBufferSupportInitializeFailed = 1; | |
4455 return false; | |
4456 } | |
4457 | |
4458 // Make global references for these | |
4459 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
4460 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
4461 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
4462 | |
4463 // Get needed field and method IDs | |
4464 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
4465 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
4466 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
4467 | |
4468 if ((directByteBufferConstructor == NULL) || | |
4469 (directBufferAddressField == NULL) || | |
4470 (bufferCapacityField == NULL)) { | |
4471 directBufferSupportInitializeFailed = 1; | |
4472 return false; | |
4473 } | |
4474 | |
4475 directBufferSupportInitializeEnded = 1; | |
4476 } else { | |
4477 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4478 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4479 // os::sleep which requires the VM state transition. On other platforms, it |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4480 // is not necessary. The following call to change the VM state is purposely |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4481 // put inside the loop to avoid potential deadlock when multiple threads |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4482 // try to call this method. See 6791815 for more details. |
4db4e58c16bd
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parents:
477
diff
changeset
|
4483 ThreadInVMfromNative tivn(thread); |
0 | 4484 os::yield_all(); |
4485 } | |
4486 } | |
4487 | |
4488 return !directBufferSupportInitializeFailed; | |
4489 } | |
4490 | |
4491 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
4492 { | |
4493 // thread_from_jni_environment() will block if VM is gone. | |
4494 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4495 | |
4496 JNIWrapper("jni_NewDirectByteBuffer"); | |
4006 | 4497 #ifndef USDT2 |
0 | 4498 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
4006 | 4499 #else /* USDT2 */ |
4500 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
4501 env, address, capacity); | |
4502 #endif /* USDT2 */ | |
0 | 4503 |
4504 if (!directBufferSupportInitializeEnded) { | |
4505 if (!initializeDirectBufferSupport(env, thread)) { | |
4006 | 4506 #ifndef USDT2 |
0 | 4507 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
4006 | 4508 #else /* USDT2 */ |
4509 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4510 NULL); | |
4511 #endif /* USDT2 */ | |
0 | 4512 return NULL; |
4513 } | |
4514 } | |
4515 | |
4516 // Being paranoid about accidental sign extension on address | |
4517 jlong addr = (jlong) ((uintptr_t) address); | |
4518 // NOTE that package-private DirectByteBuffer constructor currently | |
4519 // takes int capacity | |
4520 jint cap = (jint) capacity; | |
4521 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
4006 | 4522 #ifndef USDT2 |
0 | 4523 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
4006 | 4524 #else /* USDT2 */ |
4525 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4526 ret); | |
4527 #endif /* USDT2 */ | |
0 | 4528 return ret; |
4529 } | |
4530 | |
4006 | 4531 #ifndef USDT2 |
0 | 4532 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
4006 | 4533 #else /* USDT2 */ |
4534 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
4535 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
4536 #endif /* USDT2 */ | |
0 | 4537 |
4538 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
4539 { | |
4540 // thread_from_jni_environment() will block if VM is gone. | |
4541 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4542 | |
4543 JNIWrapper("jni_GetDirectBufferAddress"); | |
4006 | 4544 #ifndef USDT2 |
0 | 4545 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
4006 | 4546 #else /* USDT2 */ |
4547 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
4548 env, buf); | |
4549 #endif /* USDT2 */ | |
0 | 4550 void* ret = NULL; |
4551 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
4552 | |
4553 if (!directBufferSupportInitializeEnded) { | |
4554 if (!initializeDirectBufferSupport(env, thread)) { | |
4555 return 0; | |
4556 } | |
4557 } | |
4558 | |
4559 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
4560 return 0; | |
4561 } | |
4562 | |
4563 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
4564 return ret; | |
4565 } | |
4566 | |
4006 | 4567 #ifndef USDT2 |
0 | 4568 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
4006 | 4569 #else /* USDT2 */ |
4570 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
4571 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
4572 #endif /* USDT2 */ | |
0 | 4573 |
4574 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
4575 { | |
4576 // thread_from_jni_environment() will block if VM is gone. | |
4577 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4578 | |
4579 JNIWrapper("jni_GetDirectBufferCapacity"); | |
4006 | 4580 #ifndef USDT2 |
0 | 4581 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
4006 | 4582 #else /* USDT2 */ |
4583 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
4584 env, buf); | |
4585 #endif /* USDT2 */ | |
0 | 4586 jlong ret = -1; |
4587 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
4588 | |
4589 if (!directBufferSupportInitializeEnded) { | |
4590 if (!initializeDirectBufferSupport(env, thread)) { | |
4591 ret = 0; | |
4592 return ret; | |
4593 } | |
4594 } | |
4595 | |
4596 if (buf == NULL) { | |
4597 return -1; | |
4598 } | |
4599 | |
4600 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
4601 return -1; | |
4602 } | |
4603 | |
4604 // NOTE that capacity is currently an int in the implementation | |
4605 ret = env->GetIntField(buf, bufferCapacityField); | |
4606 return ret; | |
4607 } | |
4608 | |
4609 | |
4610 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
4611 JNIWrapper("GetVersion"); | |
4006 | 4612 #ifndef USDT2 |
0 | 4613 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
4006 | 4614 #else /* USDT2 */ |
4615 HOTSPOT_JNI_GETVERSION_ENTRY( | |
4616 env); | |
4617 #endif /* USDT2 */ | |
4618 #ifndef USDT2 | |
0 | 4619 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
4006 | 4620 #else /* USDT2 */ |
4621 HOTSPOT_JNI_GETVERSION_RETURN( | |
4622 CurrentVersion); | |
4623 #endif /* USDT2 */ | |
0 | 4624 return CurrentVersion; |
4625 JNI_END | |
4626 | |
4627 extern struct JavaVM_ main_vm; | |
4628 | |
4629 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
4630 JNIWrapper("jni_GetJavaVM"); | |
4006 | 4631 #ifndef USDT2 |
0 | 4632 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
4006 | 4633 #else /* USDT2 */ |
4634 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
4635 env, (void **) vm); | |
4636 #endif /* USDT2 */ | |
0 | 4637 *vm = (JavaVM *)(&main_vm); |
4006 | 4638 #ifndef USDT2 |
0 | 4639 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
4006 | 4640 #else /* USDT2 */ |
4641 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
4642 JNI_OK); | |
4643 #endif /* USDT2 */ | |
0 | 4644 return JNI_OK; |
4645 JNI_END | |
4646 | |
4647 // Structure containing all jni functions | |
4648 struct JNINativeInterface_ jni_NativeInterface = { | |
4649 NULL, | |
4650 NULL, | |
4651 NULL, | |
4652 | |
4653 NULL, | |
4654 | |
4655 jni_GetVersion, | |
4656 | |
4657 jni_DefineClass, | |
4658 jni_FindClass, | |
4659 | |
4660 jni_FromReflectedMethod, | |
4661 jni_FromReflectedField, | |
4662 | |
4663 jni_ToReflectedMethod, | |
4664 | |
4665 jni_GetSuperclass, | |
4666 jni_IsAssignableFrom, | |
4667 | |
4668 jni_ToReflectedField, | |
4669 | |
4670 jni_Throw, | |
4671 jni_ThrowNew, | |
4672 jni_ExceptionOccurred, | |
4673 jni_ExceptionDescribe, | |
4674 jni_ExceptionClear, | |
4675 jni_FatalError, | |
4676 | |
4677 jni_PushLocalFrame, | |
4678 jni_PopLocalFrame, | |
4679 | |
4680 jni_NewGlobalRef, | |
4681 jni_DeleteGlobalRef, | |
4682 jni_DeleteLocalRef, | |
4683 jni_IsSameObject, | |
4684 | |
4685 jni_NewLocalRef, | |
4686 jni_EnsureLocalCapacity, | |
4687 | |
4688 jni_AllocObject, | |
4689 jni_NewObject, | |
4690 jni_NewObjectV, | |
4691 jni_NewObjectA, | |
4692 | |
4693 jni_GetObjectClass, | |
4694 jni_IsInstanceOf, | |
4695 | |
4696 jni_GetMethodID, | |
4697 | |
4698 jni_CallObjectMethod, | |
4699 jni_CallObjectMethodV, | |
4700 jni_CallObjectMethodA, | |
4701 jni_CallBooleanMethod, | |
4702 jni_CallBooleanMethodV, | |
4703 jni_CallBooleanMethodA, | |
4704 jni_CallByteMethod, | |
4705 jni_CallByteMethodV, | |
4706 jni_CallByteMethodA, | |
4707 jni_CallCharMethod, | |
4708 jni_CallCharMethodV, | |
4709 jni_CallCharMethodA, | |
4710 jni_CallShortMethod, | |
4711 jni_CallShortMethodV, | |
4712 jni_CallShortMethodA, | |
4713 jni_CallIntMethod, | |
4714 jni_CallIntMethodV, | |
4715 jni_CallIntMethodA, | |
4716 jni_CallLongMethod, | |
4717 jni_CallLongMethodV, | |
4718 jni_CallLongMethodA, | |
4719 jni_CallFloatMethod, | |
4720 jni_CallFloatMethodV, | |
4721 jni_CallFloatMethodA, | |
4722 jni_CallDoubleMethod, | |
4723 jni_CallDoubleMethodV, | |
4724 jni_CallDoubleMethodA, | |
4725 jni_CallVoidMethod, | |
4726 jni_CallVoidMethodV, | |
4727 jni_CallVoidMethodA, | |
4728 | |
4729 jni_CallNonvirtualObjectMethod, | |
4730 jni_CallNonvirtualObjectMethodV, | |
4731 jni_CallNonvirtualObjectMethodA, | |
4732 jni_CallNonvirtualBooleanMethod, | |
4733 jni_CallNonvirtualBooleanMethodV, | |
4734 jni_CallNonvirtualBooleanMethodA, | |
4735 jni_CallNonvirtualByteMethod, | |
4736 jni_CallNonvirtualByteMethodV, | |
4737 jni_CallNonvirtualByteMethodA, | |
4738 jni_CallNonvirtualCharMethod, | |
4739 jni_CallNonvirtualCharMethodV, | |
4740 jni_CallNonvirtualCharMethodA, | |
4741 jni_CallNonvirtualShortMethod, | |
4742 jni_CallNonvirtualShortMethodV, | |
4743 jni_CallNonvirtualShortMethodA, | |
4744 jni_CallNonvirtualIntMethod, | |
4745 jni_CallNonvirtualIntMethodV, | |
4746 jni_CallNonvirtualIntMethodA, | |
4747 jni_CallNonvirtualLongMethod, | |
4748 jni_CallNonvirtualLongMethodV, | |
4749 jni_CallNonvirtualLongMethodA, | |
4750 jni_CallNonvirtualFloatMethod, | |
4751 jni_CallNonvirtualFloatMethodV, | |
4752 jni_CallNonvirtualFloatMethodA, | |
4753 jni_CallNonvirtualDoubleMethod, | |
4754 jni_CallNonvirtualDoubleMethodV, | |
4755 jni_CallNonvirtualDoubleMethodA, | |
4756 jni_CallNonvirtualVoidMethod, | |
4757 jni_CallNonvirtualVoidMethodV, | |
4758 jni_CallNonvirtualVoidMethodA, | |
4759 | |
4760 jni_GetFieldID, | |
4761 | |
4762 jni_GetObjectField, | |
4763 jni_GetBooleanField, | |
4764 jni_GetByteField, | |
4765 jni_GetCharField, | |
4766 jni_GetShortField, | |
4767 jni_GetIntField, | |
4768 jni_GetLongField, | |
4769 jni_GetFloatField, | |
4770 jni_GetDoubleField, | |
4771 | |
4772 jni_SetObjectField, | |
4773 jni_SetBooleanField, | |
4774 jni_SetByteField, | |
4775 jni_SetCharField, | |
4776 jni_SetShortField, | |
4777 jni_SetIntField, | |
4778 jni_SetLongField, | |
4779 jni_SetFloatField, | |
4780 jni_SetDoubleField, | |
4781 | |
4782 jni_GetStaticMethodID, | |
4783 | |
4784 jni_CallStaticObjectMethod, | |
4785 jni_CallStaticObjectMethodV, | |
4786 jni_CallStaticObjectMethodA, | |
4787 jni_CallStaticBooleanMethod, | |
4788 jni_CallStaticBooleanMethodV, | |
4789 jni_CallStaticBooleanMethodA, | |
4790 jni_CallStaticByteMethod, | |
4791 jni_CallStaticByteMethodV, | |
4792 jni_CallStaticByteMethodA, | |
4793 jni_CallStaticCharMethod, | |
4794 jni_CallStaticCharMethodV, | |
4795 jni_CallStaticCharMethodA, | |
4796 jni_CallStaticShortMethod, | |
4797 jni_CallStaticShortMethodV, | |
4798 jni_CallStaticShortMethodA, | |
4799 jni_CallStaticIntMethod, | |
4800 jni_CallStaticIntMethodV, | |
4801 jni_CallStaticIntMethodA, | |
4802 jni_CallStaticLongMethod, | |
4803 jni_CallStaticLongMethodV, | |
4804 jni_CallStaticLongMethodA, | |
4805 jni_CallStaticFloatMethod, | |
4806 jni_CallStaticFloatMethodV, | |
4807 jni_CallStaticFloatMethodA, | |
4808 jni_CallStaticDoubleMethod, | |
4809 jni_CallStaticDoubleMethodV, | |
4810 jni_CallStaticDoubleMethodA, | |
4811 jni_CallStaticVoidMethod, | |
4812 jni_CallStaticVoidMethodV, | |
4813 jni_CallStaticVoidMethodA, | |
4814 | |
4815 jni_GetStaticFieldID, | |
4816 | |
4817 jni_GetStaticObjectField, | |
4818 jni_GetStaticBooleanField, | |
4819 jni_GetStaticByteField, | |
4820 jni_GetStaticCharField, | |
4821 jni_GetStaticShortField, | |
4822 jni_GetStaticIntField, | |
4823 jni_GetStaticLongField, | |
4824 jni_GetStaticFloatField, | |
4825 jni_GetStaticDoubleField, | |
4826 | |
4827 jni_SetStaticObjectField, | |
4828 jni_SetStaticBooleanField, | |
4829 jni_SetStaticByteField, | |
4830 jni_SetStaticCharField, | |
4831 jni_SetStaticShortField, | |
4832 jni_SetStaticIntField, | |
4833 jni_SetStaticLongField, | |
4834 jni_SetStaticFloatField, | |
4835 jni_SetStaticDoubleField, | |
4836 | |
4837 jni_NewString, | |
4838 jni_GetStringLength, | |
4839 jni_GetStringChars, | |
4840 jni_ReleaseStringChars, | |
4841 | |
4842 jni_NewStringUTF, | |
4843 jni_GetStringUTFLength, | |
4844 jni_GetStringUTFChars, | |
4845 jni_ReleaseStringUTFChars, | |
4846 | |
4847 jni_GetArrayLength, | |
4848 | |
4849 jni_NewObjectArray, | |
4850 jni_GetObjectArrayElement, | |
4851 jni_SetObjectArrayElement, | |
4852 | |
4853 jni_NewBooleanArray, | |
4854 jni_NewByteArray, | |
4855 jni_NewCharArray, | |
4856 jni_NewShortArray, | |
4857 jni_NewIntArray, | |
4858 jni_NewLongArray, | |
4859 jni_NewFloatArray, | |
4860 jni_NewDoubleArray, | |
4861 | |
4862 jni_GetBooleanArrayElements, | |
4863 jni_GetByteArrayElements, | |
4864 jni_GetCharArrayElements, | |
4865 jni_GetShortArrayElements, | |
4866 jni_GetIntArrayElements, | |
4867 jni_GetLongArrayElements, | |
4868 jni_GetFloatArrayElements, | |
4869 jni_GetDoubleArrayElements, | |
4870 | |
4871 jni_ReleaseBooleanArrayElements, | |
4872 jni_ReleaseByteArrayElements, | |
4873 jni_ReleaseCharArrayElements, | |
4874 jni_ReleaseShortArrayElements, | |
4875 jni_ReleaseIntArrayElements, | |
4876 jni_ReleaseLongArrayElements, | |
4877 jni_ReleaseFloatArrayElements, | |
4878 jni_ReleaseDoubleArrayElements, | |
4879 | |
4880 jni_GetBooleanArrayRegion, | |
4881 jni_GetByteArrayRegion, | |
4882 jni_GetCharArrayRegion, | |
4883 jni_GetShortArrayRegion, | |
4884 jni_GetIntArrayRegion, | |
4885 jni_GetLongArrayRegion, | |
4886 jni_GetFloatArrayRegion, | |
4887 jni_GetDoubleArrayRegion, | |
4888 | |
4889 jni_SetBooleanArrayRegion, | |
4890 jni_SetByteArrayRegion, | |
4891 jni_SetCharArrayRegion, | |
4892 jni_SetShortArrayRegion, | |
4893 jni_SetIntArrayRegion, | |
4894 jni_SetLongArrayRegion, | |
4895 jni_SetFloatArrayRegion, | |
4896 jni_SetDoubleArrayRegion, | |
4897 | |
4898 jni_RegisterNatives, | |
4899 jni_UnregisterNatives, | |
4900 | |
4901 jni_MonitorEnter, | |
4902 jni_MonitorExit, | |
4903 | |
4904 jni_GetJavaVM, | |
4905 | |
4906 jni_GetStringRegion, | |
4907 jni_GetStringUTFRegion, | |
4908 | |
4909 jni_GetPrimitiveArrayCritical, | |
4910 jni_ReleasePrimitiveArrayCritical, | |
4911 | |
4912 jni_GetStringCritical, | |
4913 jni_ReleaseStringCritical, | |
4914 | |
4915 jni_NewWeakGlobalRef, | |
4916 jni_DeleteWeakGlobalRef, | |
4917 | |
4918 jni_ExceptionCheck, | |
4919 | |
4920 jni_NewDirectByteBuffer, | |
4921 jni_GetDirectBufferAddress, | |
4922 jni_GetDirectBufferCapacity, | |
4923 | |
4924 // New 1_6 features | |
4925 | |
4926 jni_GetObjectRefType | |
4927 }; | |
4928 | |
4929 | |
4930 // For jvmti use to modify jni function table. | |
4931 // Java threads in native contiues to run until it is transitioned | |
4932 // to VM at safepoint. Before the transition or before it is blocked | |
4933 // for safepoint it may access jni function table. VM could crash if | |
4934 // any java thread access the jni function table in the middle of memcpy. | |
4935 // To avoid this each function pointers are copied automically. | |
4936 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
4937 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
4938 intptr_t *a = (intptr_t *) jni_functions(); | |
4939 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
4940 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
4941 Atomic::store_ptr(*b++, a++); | |
4942 } | |
4943 } | |
4944 | |
4945 void quicken_jni_functions() { | |
4946 // Replace Get<Primitive>Field with fast versions | |
4947 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
4948 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
4949 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
4950 // windows x86 currently needs SEH wrapper and the gain of the fast | |
4951 // versions currently isn't certain for server vm on uniprocessor. | |
4952 && os::is_MP() | |
4953 #endif | |
4954 ) { | |
4955 address func; | |
4956 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
4957 if (func != (address)-1) { | |
4958 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
4959 } | |
4960 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
4961 if (func != (address)-1) { | |
4962 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
4963 } | |
4964 func = JNI_FastGetField::generate_fast_get_char_field(); | |
4965 if (func != (address)-1) { | |
4966 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
4967 } | |
4968 func = JNI_FastGetField::generate_fast_get_short_field(); | |
4969 if (func != (address)-1) { | |
4970 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
4971 } | |
4972 func = JNI_FastGetField::generate_fast_get_int_field(); | |
4973 if (func != (address)-1) { | |
4974 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
4975 } | |
4976 func = JNI_FastGetField::generate_fast_get_long_field(); | |
4977 if (func != (address)-1) { | |
4978 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
4979 } | |
4980 func = JNI_FastGetField::generate_fast_get_float_field(); | |
4981 if (func != (address)-1) { | |
4982 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
4983 } | |
4984 func = JNI_FastGetField::generate_fast_get_double_field(); | |
4985 if (func != (address)-1) { | |
4986 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
4987 } | |
4988 } | |
4989 } | |
4990 | |
4991 // Returns the function structure | |
4992 struct JNINativeInterface_* jni_functions() { | |
6854
fb19af007ffc
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diff
changeset
|
4993 #if INCLUDE_JNI_CHECK |
0 | 4994 if (CheckJNICalls) return jni_functions_check(); |
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|
4995 #endif // INCLUDE_JNI_CHECK |
0 | 4996 return &jni_NativeInterface; |
4997 } | |
4998 | |
4999 // Returns the function structure | |
5000 struct JNINativeInterface_* jni_functions_nocheck() { | |
5001 return &jni_NativeInterface; | |
5002 } | |
5003 | |
5004 | |
5005 // Invocation API | |
5006 | |
5007 | |
5008 // Forward declaration | |
5009 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
5010 | |
5011 // Global invocation API vars | |
5012 volatile jint vm_created = 0; | |
5013 // Indicate whether it is safe to recreate VM | |
5014 volatile jint safe_to_recreate_vm = 1; | |
5015 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
5016 | |
5017 | |
5018 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
5019 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
5020 | |
4006 | 5021 #ifndef USDT2 |
0 | 5022 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
5023 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
4006 | 5024 #else /* USDT2 */ |
5025 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
5026 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
5027 #endif /* USDT2 */ | |
0 | 5028 |
5029 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
4006 | 5030 #ifndef USDT2 |
0 | 5031 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
4006 | 5032 #else /* USDT2 */ |
5033 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
5034 args_); | |
5035 #endif /* USDT2 */ | |
0 | 5036 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
5037 jint ret = JNI_ERR; | |
5038 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
5039 | |
5040 if (Threads::is_supported_jni_version(args->version)) { | |
5041 ret = JNI_OK; | |
5042 } | |
5043 // 1.1 style no longer supported in hotspot. | |
5044 // According the JNI spec, we should update args->version on return. | |
5045 // We also use the structure to communicate with launcher about default | |
5046 // stack size. | |
5047 if (args->version == JNI_VERSION_1_1) { | |
5048 args->version = JNI_VERSION_1_2; | |
5049 // javaStackSize is int in arguments structure | |
5050 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
5051 args->javaStackSize = (jint)(ThreadStackSize * K); | |
5052 } | |
5053 return ret; | |
5054 } | |
5055 | |
3779 | 5056 #ifndef PRODUCT |
5057 | |
4708 | 5058 #include "gc_interface/collectedHeap.hpp" |
3779 | 5059 #include "utilities/quickSort.hpp" |
5060 | |
4708 | 5061 #define run_unit_test(unit_test_function_call) \ |
5062 tty->print_cr("Running test: " #unit_test_function_call); \ | |
5063 unit_test_function_call | |
5064 | |
3779 | 5065 void execute_internal_vm_tests() { |
5066 if (ExecuteInternalVMTests) { | |
4708 | 5067 tty->print_cr("Running internal VM tests"); |
5068 run_unit_test(arrayOopDesc::test_max_array_length()); | |
5069 run_unit_test(CollectedHeap::test_is_in()); | |
5070 run_unit_test(QuickSort::test_quick_sort()); | |
6162 | 5071 run_unit_test(AltHashing::test_alt_hash()); |
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5072 tty->print_cr("All internal VM tests passed"); |
3779 | 5073 } |
5074 } | |
5075 | |
4708 | 5076 #undef run_unit_test |
5077 | |
3779 | 5078 #endif |
5079 | |
4006 | 5080 #ifndef USDT2 |
0 | 5081 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
5082 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
4006 | 5083 #else /* USDT2 */ |
5084 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
5085 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
5086 #endif /* USDT2 */ | |
0 | 5087 |
5088 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
4006 | 5089 #ifndef USDT2 |
0 | 5090 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
4006 | 5091 #else /* USDT2 */ |
5092 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
5093 (void **) vm, penv, args); | |
5094 #endif /* USDT2 */ | |
0 | 5095 |
5096 jint result = JNI_ERR; | |
5097 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
5098 | |
1078 | 5099 // We're about to use Atomic::xchg for synchronization. Some Zero |
5100 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
5101 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
5102 // on all architectures. So we check it works before relying on it. | |
5103 #if defined(ZERO) && defined(ASSERT) | |
5104 { | |
5105 jint a = 0xcafebabe; | |
5106 jint b = Atomic::xchg(0xdeadbeef, &a); | |
5107 void *c = &a; | |
5108 void *d = Atomic::xchg_ptr(&b, &c); | |
1132 | 5109 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
1078 | 5110 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
5111 } | |
5112 #endif // ZERO && ASSERT | |
5113 | |
0 | 5114 // At the moment it's only possible to have one Java VM, |
5115 // since some of the runtime state is in global variables. | |
5116 | |
5117 // We cannot use our mutex locks here, since they only work on | |
5118 // Threads. We do an atomic compare and exchange to ensure only | |
5119 // one thread can call this method at a time | |
5120 | |
5121 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
5122 // the add/dec implementations are dependent on whether we are running | |
5123 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
5124 // function used to determine this will always return false. Atomic::xchg | |
5125 // does not have this problem. | |
5126 if (Atomic::xchg(1, &vm_created) == 1) { | |
5127 return JNI_ERR; // already created, or create attempt in progress | |
5128 } | |
5129 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
5130 return JNI_ERR; // someone tried and failed and retry not allowed. | |
5131 } | |
5132 | |
5133 assert(vm_created == 1, "vm_created is true during the creation"); | |
5134 | |
5135 /** | |
5136 * Certain errors during initialization are recoverable and do not | |
5137 * prevent this method from being called again at a later time | |
5138 * (perhaps with different arguments). However, at a certain | |
5139 * point during initialization if an error occurs we cannot allow | |
5140 * this function to be called again (or it will crash). In those | |
5141 * situations, the 'canTryAgain' flag is set to false, which atomically | |
5142 * sets safe_to_recreate_vm to 1, such that any new call to | |
5143 * JNI_CreateJavaVM will immediately fail using the above logic. | |
5144 */ | |
5145 bool can_try_again = true; | |
5146 | |
5147 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
5148 if (result == JNI_OK) { | |
5149 JavaThread *thread = JavaThread::current(); | |
5150 /* thread is thread_in_vm here */ | |
5151 *vm = (JavaVM *)(&main_vm); | |
5152 *(JNIEnv**)penv = thread->jni_environment(); | |
5153 | |
4368
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4137
diff
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|
5154 #ifdef GRAAL |
3650
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Pass-by compilation broker.
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3540
diff
changeset
|
5155 GraalCompiler* compiler = GraalCompiler::instance(); |
0e8a2a629afb
Pass-by compilation broker.
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parents:
3540
diff
changeset
|
5156 ciObjectFactory::initialize(); |
0e8a2a629afb
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parents:
3540
diff
changeset
|
5157 compiler->initialize(); |
4368
d8d6b3de346b
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5158 #endif |
3650
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3540
diff
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|
5159 |
0 | 5160 // Tracks the time application was running before GC |
5161 RuntimeService::record_application_start(); | |
5162 | |
5163 // Notify JVMTI | |
5164 if (JvmtiExport::should_post_thread_life()) { | |
5165 JvmtiExport::post_thread_start(thread); | |
5166 } | |
4800
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4708
diff
changeset
|
5167 |
94ec88ca68e2
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4708
diff
changeset
|
5168 EVENT_BEGIN(TraceEventThreadStart, event); |
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
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4708
diff
changeset
|
5169 EVENT_COMMIT(event, |
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4708
diff
changeset
|
5170 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
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4708
diff
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|
5171 |
0 | 5172 // Check if we should compile all classes on bootclasspath |
5173 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
6972
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6940
diff
changeset
|
5174 NOT_PRODUCT(if (ReplayCompiles) ciReplay::replay(thread);) |
0 | 5175 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
5176 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5177 } else { | |
5178 if (can_try_again) { | |
5179 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
5180 safe_to_recreate_vm = 1; | |
5181 } | |
5182 | |
5183 // Creation failed. We must reset vm_created | |
5184 *vm = 0; | |
5185 *(JNIEnv**)penv = 0; | |
5186 // reset vm_created last to avoid race condition. Use OrderAccess to | |
5187 // control both compiler and architectural-based reordering. | |
5188 OrderAccess::release_store(&vm_created, 0); | |
5189 } | |
5190 | |
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
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1290
diff
changeset
|
5191 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
3779 | 5192 NOT_PRODUCT(execute_internal_vm_tests()); |
0 | 5193 return result; |
5194 } | |
5195 | |
4006 | 5196 #ifndef USDT2 |
0 | 5197 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5198 JavaVM**, jsize, jsize*); | |
5199 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
4006 | 5200 #endif /* !USDT2 */ |
0 | 5201 |
5202 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
5203 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
5204 // JNIWrapper("GetCreatedJavaVMs"); | |
4006 | 5205 #ifndef USDT2 |
0 | 5206 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5207 vm_buf, bufLen, numVMs); | |
4006 | 5208 #else /* USDT2 */ |
5209 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
5210 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
5211 #endif /* USDT2 */ | |
0 | 5212 if (vm_created) { |
5213 if (numVMs != NULL) *numVMs = 1; | |
5214 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
5215 } else { | |
5216 if (numVMs != NULL) *numVMs = 0; | |
5217 } | |
4006 | 5218 #ifndef USDT2 |
0 | 5219 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
4006 | 5220 #else /* USDT2 */ |
5221 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
5222 JNI_OK); | |
5223 #endif /* USDT2 */ | |
0 | 5224 return JNI_OK; |
5225 } | |
5226 | |
5227 extern "C" { | |
5228 | |
4006 | 5229 #ifndef USDT2 |
0 | 5230 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
4006 | 5231 #else /* USDT2 */ |
5232 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
5233 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
5234 #endif /* USDT2 */ | |
0 | 5235 |
5236 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
4006 | 5237 #ifndef USDT2 |
0 | 5238 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
4006 | 5239 #else /* USDT2 */ |
5240 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
5241 vm); | |
5242 #endif /* USDT2 */ | |
0 | 5243 jint res = JNI_ERR; |
5244 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
5245 | |
5246 if (!vm_created) { | |
5247 res = JNI_ERR; | |
5248 return res; | |
5249 } | |
5250 | |
5251 JNIWrapper("DestroyJavaVM"); | |
5252 JNIEnv *env; | |
5253 JavaVMAttachArgs destroyargs; | |
5254 destroyargs.version = CurrentVersion; | |
5255 destroyargs.name = (char *)"DestroyJavaVM"; | |
5256 destroyargs.group = NULL; | |
5257 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
5258 if (res != JNI_OK) { | |
5259 return res; | |
5260 } | |
5261 | |
5262 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
5263 JavaThread* thread = JavaThread::current(); | |
5264 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5265 if (Threads::destroy_vm()) { | |
5266 // Should not change thread state, VM is gone | |
5267 vm_created = false; | |
5268 res = JNI_OK; | |
5269 return res; | |
5270 } else { | |
5271 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5272 res = JNI_ERR; | |
5273 return res; | |
5274 } | |
5275 } | |
5276 | |
5277 | |
5278 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
5279 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
5280 | |
5281 // Check below commented out from JDK1.2fcs as well | |
5282 /* | |
5283 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
5284 return JNI_EVERSION; | |
5285 } | |
5286 */ | |
5287 | |
5288 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
5289 if (t != NULL) { | |
5290 // If the thread has been attached this operation is a no-op | |
5291 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
5292 return JNI_OK; | |
5293 } | |
5294 | |
5295 // Create a thread and mark it as attaching so it will be skipped by the | |
5296 // ThreadsListEnumerator - see CR 6404306 | |
5297 JavaThread* thread = new JavaThread(true); | |
5298 | |
5299 // Set correct safepoint info. The thread is going to call into Java when | |
5300 // initializing the Java level thread object. Hence, the correct state must | |
5301 // be set in order for the Safepoint code to deal with it correctly. | |
5302 thread->set_thread_state(_thread_in_vm); | |
5303 // Must do this before initialize_thread_local_storage | |
5304 thread->record_stack_base_and_size(); | |
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5305 |
0 | 5306 thread->initialize_thread_local_storage(); |
5307 | |
5308 if (!os::create_attached_thread(thread)) { | |
5309 delete thread; | |
5310 return JNI_ERR; | |
5311 } | |
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5312 // Enable stack overflow checks |
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5313 thread->create_stack_guard_pages(); |
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5314 |
0 | 5315 thread->initialize_tlab(); |
5316 | |
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5317 thread->cache_global_variables(); |
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5318 |
0 | 5319 // Crucial that we do not have a safepoint check for this thread, since it has |
5320 // not been added to the Thread list yet. | |
5321 { Threads_lock->lock_without_safepoint_check(); | |
5322 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
5323 // avoid this thread trying to do a GC before it is added to the thread-list | |
5324 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
5325 Threads::add(thread, daemon); | |
5326 Threads_lock->unlock(); | |
5327 } | |
5328 // Create thread group and name info from attach arguments | |
5329 oop group = NULL; | |
5330 char* thread_name = NULL; | |
5331 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
5332 group = JNIHandles::resolve(args->group); | |
5333 thread_name = args->name; // may be NULL | |
5334 } | |
5335 if (group == NULL) group = Universe::main_thread_group(); | |
5336 | |
5337 // Create Java level thread object and attach it to this thread | |
5338 bool attach_failed = false; | |
5339 { | |
5340 EXCEPTION_MARK; | |
5341 HandleMark hm(THREAD); | |
5342 Handle thread_group(THREAD, group); | |
5343 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
5344 if (HAS_PENDING_EXCEPTION) { | |
5345 CLEAR_PENDING_EXCEPTION; | |
5346 // cleanup outside the handle mark. | |
5347 attach_failed = true; | |
5348 } | |
5349 } | |
5350 | |
5351 if (attach_failed) { | |
5352 // Added missing cleanup | |
5353 thread->cleanup_failed_attach_current_thread(); | |
5354 return JNI_ERR; | |
5355 } | |
5356 | |
5357 // mark the thread as no longer attaching | |
5358 // this uses a fence to push the change through so we don't have | |
5359 // to regrab the threads_lock | |
4006 | 5360 thread->set_done_attaching_via_jni(); |
0 | 5361 |
5362 // Set java thread status. | |
5363 java_lang_Thread::set_thread_status(thread->threadObj(), | |
5364 java_lang_Thread::RUNNABLE); | |
5365 | |
5366 // Notify the debugger | |
5367 if (JvmtiExport::should_post_thread_life()) { | |
5368 JvmtiExport::post_thread_start(thread); | |
5369 } | |
5370 | |
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5371 EVENT_BEGIN(TraceEventThreadStart, event); |
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5372 EVENT_COMMIT(event, |
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5373 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
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5374 |
0 | 5375 *(JNIEnv**)penv = thread->jni_environment(); |
5376 | |
5377 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
5378 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
5379 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
5380 // needed. | |
5381 | |
5382 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5383 | |
5384 // Perform any platform dependent FPU setup | |
5385 os::setup_fpu(); | |
5386 | |
5387 return JNI_OK; | |
5388 } | |
5389 | |
5390 | |
5391 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5392 #ifndef USDT2 |
0 | 5393 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
4006 | 5394 #else /* USDT2 */ |
5395 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
5396 vm, penv, _args); | |
5397 #endif /* USDT2 */ | |
0 | 5398 if (!vm_created) { |
4006 | 5399 #ifndef USDT2 |
0 | 5400 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
4006 | 5401 #else /* USDT2 */ |
5402 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5403 (uint32_t) JNI_ERR); | |
5404 #endif /* USDT2 */ | |
0 | 5405 return JNI_ERR; |
5406 } | |
5407 | |
5408 JNIWrapper("AttachCurrentThread"); | |
5409 jint ret = attach_current_thread(vm, penv, _args, false); | |
4006 | 5410 #ifndef USDT2 |
0 | 5411 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
4006 | 5412 #else /* USDT2 */ |
5413 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5414 ret); | |
5415 #endif /* USDT2 */ | |
0 | 5416 return ret; |
5417 } | |
5418 | |
5419 | |
5420 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
4006 | 5421 #ifndef USDT2 |
0 | 5422 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
4006 | 5423 #else /* USDT2 */ |
5424 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
5425 vm); | |
5426 #endif /* USDT2 */ | |
0 | 5427 VM_Exit::block_if_vm_exited(); |
5428 | |
5429 JNIWrapper("DetachCurrentThread"); | |
5430 | |
5431 // If the thread has been deattacted the operations is a no-op | |
5432 if (ThreadLocalStorage::thread() == NULL) { | |
4006 | 5433 #ifndef USDT2 |
0 | 5434 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5435 #else /* USDT2 */ |
5436 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5437 JNI_OK); | |
5438 #endif /* USDT2 */ | |
0 | 5439 return JNI_OK; |
5440 } | |
5441 | |
5442 JavaThread* thread = JavaThread::current(); | |
5443 if (thread->has_last_Java_frame()) { | |
4006 | 5444 #ifndef USDT2 |
0 | 5445 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
4006 | 5446 #else /* USDT2 */ |
5447 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5448 (uint32_t) JNI_ERR); | |
5449 #endif /* USDT2 */ | |
0 | 5450 // Can't detach a thread that's running java, that can't work. |
5451 return JNI_ERR; | |
5452 } | |
5453 | |
5454 // Safepoint support. Have to do call-back to safepoint code, if in the | |
5455 // middel of a safepoint operation | |
5456 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5457 | |
5458 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
5459 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
5460 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
5461 // of the guards is visible in jni_AttachCurrentThread above, | |
5462 // the removal of the guards is buried below in JavaThread::exit() | |
5463 // here. The abstraction should be more symmetrically either exposed | |
5464 // or hidden (e.g. it could probably be hidden in the same | |
5465 // (platform-dependent) methods where we do alternate stack | |
5466 // maintenance work?) | |
5467 thread->exit(false, JavaThread::jni_detach); | |
5468 delete thread; | |
5469 | |
4006 | 5470 #ifndef USDT2 |
0 | 5471 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5472 #else /* USDT2 */ |
5473 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5474 JNI_OK); | |
5475 #endif /* USDT2 */ | |
0 | 5476 return JNI_OK; |
5477 } | |
5478 | |
4006 | 5479 #ifndef USDT2 |
0 | 5480 DT_RETURN_MARK_DECL(GetEnv, jint); |
4006 | 5481 #else /* USDT2 */ |
5482 DT_RETURN_MARK_DECL(GetEnv, jint | |
5483 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
5484 #endif /* USDT2 */ | |
0 | 5485 |
5486 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
4006 | 5487 #ifndef USDT2 |
0 | 5488 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
4006 | 5489 #else /* USDT2 */ |
5490 HOTSPOT_JNI_GETENV_ENTRY( | |
5491 vm, penv, version); | |
5492 #endif /* USDT2 */ | |
0 | 5493 jint ret = JNI_ERR; |
5494 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
5495 | |
5496 if (!vm_created) { | |
5497 *penv = NULL; | |
5498 ret = JNI_EDETACHED; | |
5499 return ret; | |
5500 } | |
5501 | |
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5502 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
0 | 5503 return ret; |
5504 } | |
5505 | |
5506 #ifndef JVMPI_VERSION_1 | |
5507 // need these in order to be polite about older agents | |
5508 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
5509 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
5510 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
5511 #endif // !JVMPI_VERSION_1 | |
5512 | |
5513 Thread* thread = ThreadLocalStorage::thread(); | |
5514 if (thread != NULL && thread->is_Java_thread()) { | |
5515 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
5516 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
5517 ret = JNI_OK; | |
5518 return ret; | |
5519 | |
5520 } else if (version == JVMPI_VERSION_1 || | |
5521 version == JVMPI_VERSION_1_1 || | |
5522 version == JVMPI_VERSION_1_2) { | |
5523 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
5524 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5525 ret = JNI_EVERSION; | |
5526 return ret; | |
5527 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
5528 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
5529 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5530 ret = JNI_EVERSION; | |
5531 return ret; | |
5532 } else { | |
5533 *penv = NULL; | |
5534 ret = JNI_EVERSION; | |
5535 return ret; | |
5536 } | |
5537 } else { | |
5538 *penv = NULL; | |
5539 ret = JNI_EDETACHED; | |
5540 return ret; | |
5541 } | |
5542 } | |
5543 | |
5544 | |
5545 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5546 #ifndef USDT2 |
0 | 5547 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
4006 | 5548 #else /* USDT2 */ |
5549 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
5550 vm, penv, _args); | |
5551 #endif /* USDT2 */ | |
0 | 5552 if (!vm_created) { |
4006 | 5553 #ifndef USDT2 |
0 | 5554 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
4006 | 5555 #else /* USDT2 */ |
5556 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5557 (uint32_t) JNI_ERR); | |
5558 #endif /* USDT2 */ | |
0 | 5559 return JNI_ERR; |
5560 } | |
5561 | |
5562 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
5563 jint ret = attach_current_thread(vm, penv, _args, true); | |
4006 | 5564 #ifndef USDT2 |
0 | 5565 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
4006 | 5566 #else /* USDT2 */ |
5567 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5568 ret); | |
5569 #endif /* USDT2 */ | |
0 | 5570 return ret; |
5571 } | |
5572 | |
5573 | |
5574 } // End extern "C" | |
5575 | |
5576 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
5577 NULL, | |
5578 NULL, | |
5579 NULL, | |
5580 | |
5581 jni_DestroyJavaVM, | |
5582 jni_AttachCurrentThread, | |
5583 jni_DetachCurrentThread, | |
5584 jni_GetEnv, | |
5585 jni_AttachCurrentThreadAsDaemon | |
5586 }; |