Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 7403:807f1d348f7b
Merge
author | collins |
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date | Fri, 14 Dec 2012 11:45:55 -0800 |
parents | c24f778e9401 |
children | 291ffc492eb6 db9981fd3124 |
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 #ifndef SERIALGC |
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36 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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37 #endif // SERIALGC |
6197 | 38 #include "memory/allocation.hpp" |
1972 | 39 #include "memory/allocation.inline.hpp" |
40 #include "memory/gcLocker.inline.hpp" | |
41 #include "memory/oopFactory.hpp" | |
42 #include "memory/universe.inline.hpp" | |
43 #include "oops/instanceKlass.hpp" | |
44 #include "oops/instanceOop.hpp" | |
45 #include "oops/markOop.hpp" | |
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46 #include "oops/method.hpp" |
1972 | 47 #include "oops/objArrayKlass.hpp" |
48 #include "oops/objArrayOop.hpp" | |
49 #include "oops/oop.inline.hpp" | |
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50 #include "oops/symbol.hpp" |
1972 | 51 #include "oops/typeArrayKlass.hpp" |
52 #include "oops/typeArrayOop.hpp" | |
53 #include "prims/jni.h" | |
54 #include "prims/jniCheck.hpp" | |
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55 #include "prims/jniExport.hpp" |
1972 | 56 #include "prims/jniFastGetField.hpp" |
57 #include "prims/jvm.h" | |
58 #include "prims/jvm_misc.hpp" | |
59 #include "prims/jvmtiExport.hpp" | |
60 #include "prims/jvmtiThreadState.hpp" | |
61 #include "runtime/compilationPolicy.hpp" | |
62 #include "runtime/fieldDescriptor.hpp" | |
63 #include "runtime/fprofiler.hpp" | |
64 #include "runtime/handles.inline.hpp" | |
65 #include "runtime/interfaceSupport.hpp" | |
66 #include "runtime/java.hpp" | |
67 #include "runtime/javaCalls.hpp" | |
68 #include "runtime/jfieldIDWorkaround.hpp" | |
69 #include "runtime/reflection.hpp" | |
70 #include "runtime/sharedRuntime.hpp" | |
71 #include "runtime/signature.hpp" | |
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72 #include "runtime/thread.inline.hpp" |
1972 | 73 #include "runtime/vm_operations.hpp" |
74 #include "services/runtimeService.hpp" | |
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75 #include "trace/tracing.hpp" |
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76 #include "trace/traceEventTypes.hpp" |
1972 | 77 #include "utilities/defaultStream.hpp" |
78 #include "utilities/dtrace.hpp" | |
79 #include "utilities/events.hpp" | |
80 #include "utilities/histogram.hpp" | |
81 #ifdef TARGET_OS_FAMILY_linux | |
82 # include "os_linux.inline.hpp" | |
83 #endif | |
84 #ifdef TARGET_OS_FAMILY_solaris | |
85 # include "os_solaris.inline.hpp" | |
86 #endif | |
87 #ifdef TARGET_OS_FAMILY_windows | |
88 # include "os_windows.inline.hpp" | |
89 #endif | |
3960 | 90 #ifdef TARGET_OS_FAMILY_bsd |
91 # include "os_bsd.inline.hpp" | |
92 #endif | |
0 | 93 |
94 static jint CurrentVersion = JNI_VERSION_1_6; | |
95 | |
96 | |
97 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
98 // '-return' probe regardless of the return path is taken out of the function. | |
99 // Methods that have multiple return paths use this to avoid having to | |
100 // instrument each return path. Methods that use CHECK or THROW must use this | |
101 // since those macros can cause an immedate uninstrumented return. | |
102 // | |
103 // In order to get the return value, a reference to the variable containing | |
104 // the return value must be passed to the contructor of the object, and | |
105 // the return value must be set before return (since the mark object has | |
106 // a reference to it). | |
107 // | |
108 // Example: | |
109 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
110 // JNI_ENTRY(int, SomeFunc, ...) | |
111 // int return_value = 0; | |
112 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
113 // foo(CHECK_0) | |
114 // return_value = 5; | |
115 // return return_value; | |
116 // JNI_END | |
4006 | 117 #ifndef USDT2 |
0 | 118 #define DT_RETURN_MARK_DECL(name, type) \ |
119 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
120 DTRACE_ONLY( \ | |
121 class DTraceReturnProbeMark_##name { \ | |
122 public: \ | |
123 const type& _ret_ref; \ | |
124 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
125 ~DTraceReturnProbeMark_##name() { \ | |
126 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
127 } \ | |
128 } \ | |
129 ) | |
130 // Void functions are simpler since there's no return value | |
131 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
132 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
133 DTRACE_ONLY( \ | |
134 class DTraceReturnProbeMark_##name { \ | |
135 public: \ | |
136 ~DTraceReturnProbeMark_##name() { \ | |
137 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
138 } \ | |
139 } \ | |
140 ) | |
141 | |
4006 | 142 #else /* USDT2 */ |
143 | |
144 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
145 DTRACE_ONLY( \ | |
146 class DTraceReturnProbeMark_##name { \ | |
147 public: \ | |
148 const type& _ret_ref; \ | |
149 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
150 ~DTraceReturnProbeMark_##name() { \ | |
151 probe; \ | |
152 } \ | |
153 } \ | |
154 ) | |
155 // Void functions are simpler since there's no return value | |
156 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
157 DTRACE_ONLY( \ | |
158 class DTraceReturnProbeMark_##name { \ | |
159 public: \ | |
160 ~DTraceReturnProbeMark_##name() { \ | |
161 probe; \ | |
162 } \ | |
163 } \ | |
164 ) | |
165 #endif /* USDT2 */ | |
0 | 166 |
167 // Place these macros in the function to mark the return. Non-void | |
168 // functions need the type and address of the return value. | |
169 #define DT_RETURN_MARK(name, type, ref) \ | |
170 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
171 #define DT_VOID_RETURN_MARK(name) \ | |
172 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
173 | |
174 | |
175 // Use these to select distinct code for floating-point vs. non-floating point | |
176 // situations. Used from within common macros where we need slightly | |
177 // different behavior for Float/Double | |
178 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
179 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
180 #define FP_SELECT_Char(intcode, fpcode) intcode | |
181 #define FP_SELECT_Short(intcode, fpcode) intcode | |
182 #define FP_SELECT_Object(intcode, fpcode) intcode | |
183 #define FP_SELECT_Int(intcode, fpcode) intcode | |
184 #define FP_SELECT_Long(intcode, fpcode) intcode | |
185 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
186 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
187 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
188 FP_SELECT_##TypeName(intcode, fpcode) | |
189 | |
190 #define COMMA , | |
191 | |
192 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
193 // (dtrace doesn't do FP yet) | |
4006 | 194 #ifndef USDT2 |
0 | 195 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
196 FP_SELECT(TypeName, \ | |
197 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
4006 | 198 #else /* USDT2 */ |
199 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
200 FP_SELECT(TypeName, \ | |
201 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
202 #endif /* USDT2 */ | |
0 | 203 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
204 FP_SELECT(TypeName, \ | |
205 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
206 | |
207 | |
208 // out-of-line helpers for class jfieldIDWorkaround: | |
209 | |
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210 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
0 | 211 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
212 uintptr_t as_uint = (uintptr_t) id; | |
213 intptr_t offset = raw_instance_offset(id); | |
214 if (is_checked_jfieldID(id)) { | |
215 if (!klass_hash_ok(k, id)) { | |
216 return false; | |
217 } | |
218 } | |
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219 return InstanceKlass::cast(k)->contains_field_offset(offset); |
0 | 220 } else { |
221 JNIid* result = (JNIid*) id; | |
222 #ifdef ASSERT | |
223 return result != NULL && result->is_static_field_id(); | |
224 #else | |
225 return result != NULL; | |
226 #endif | |
227 } | |
228 } | |
229 | |
230 | |
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231 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
0 | 232 if (offset <= small_offset_mask) { |
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233 Klass* field_klass = k; |
6983 | 234 Klass* super_klass = field_klass->super(); |
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235 // With compressed oops the most super class with nonstatic fields would |
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236 // be the owner of fields embedded in the header. |
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237 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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238 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
0 | 239 field_klass = super_klass; // super contains the field also |
6983 | 240 super_klass = field_klass->super(); |
0 | 241 } |
242 debug_only(No_Safepoint_Verifier nosafepoint;) | |
243 uintptr_t klass_hash = field_klass->identity_hash(); | |
244 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
245 } else { | |
246 #if 0 | |
247 #ifndef PRODUCT | |
248 { | |
249 ResourceMark rm; | |
6983 | 250 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
0 | 251 } |
252 #endif | |
253 #endif | |
254 return 0; | |
255 } | |
256 } | |
257 | |
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258 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
0 | 259 uintptr_t as_uint = (uintptr_t) id; |
260 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
261 do { | |
262 debug_only(No_Safepoint_Verifier nosafepoint;) | |
263 // Could use a non-blocking query for identity_hash here... | |
264 if ((k->identity_hash() & klass_mask) == klass_hash) | |
265 return true; | |
6983 | 266 k = k->super(); |
0 | 267 } while (k != NULL); |
268 return false; | |
269 } | |
270 | |
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271 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
0 | 272 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
273 uintptr_t as_uint = (uintptr_t) id; | |
274 intptr_t offset = raw_instance_offset(id); | |
275 if (VerifyJNIFields) { | |
276 if (is_checked_jfieldID(id)) { | |
277 guarantee(klass_hash_ok(k, id), | |
278 "Bug in native code: jfieldID class must match object"); | |
279 } else { | |
280 #if 0 | |
281 #ifndef PRODUCT | |
282 if (Verbose) { | |
283 ResourceMark rm; | |
6983 | 284 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
0 | 285 } |
286 #endif | |
287 #endif | |
288 } | |
289 } | |
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290 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
0 | 291 "Bug in native code: jfieldID offset must address interior of object"); |
292 } | |
293 | |
294 // Pick a reasonable higher bound for local capacity requested | |
295 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
296 // high because a test (or very unusual application) may try to allocate | |
297 // that many handles and run out of swap space. An implementation is | |
298 // permitted to allocate more handles than the ensured capacity, so this | |
299 // value is set high enough to prevent compatibility problems. | |
300 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
301 | |
302 | |
303 // Wrapper to trace JNI functions | |
304 | |
305 #ifdef ASSERT | |
306 Histogram* JNIHistogram; | |
307 static volatile jint JNIHistogram_lock = 0; | |
308 | |
309 class JNITraceWrapper : public StackObj { | |
310 public: | |
311 JNITraceWrapper(const char* format, ...) { | |
312 if (TraceJNICalls) { | |
313 va_list ap; | |
314 va_start(ap, format); | |
315 tty->print("JNI "); | |
316 tty->vprint_cr(format, ap); | |
317 va_end(ap); | |
318 } | |
319 } | |
320 }; | |
321 | |
322 class JNIHistogramElement : public HistogramElement { | |
323 public: | |
324 JNIHistogramElement(const char* name); | |
325 }; | |
326 | |
327 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
328 _name = elementName; | |
329 uintx count = 0; | |
330 | |
331 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
332 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
333 count +=1; | |
334 if ( (WarnOnStalledSpinLock > 0) | |
335 && (count % WarnOnStalledSpinLock == 0)) { | |
336 warning("JNIHistogram_lock seems to be stalled"); | |
337 } | |
338 } | |
339 } | |
340 | |
341 | |
342 if(JNIHistogram == NULL) | |
343 JNIHistogram = new Histogram("JNI Call Counts",100); | |
344 | |
345 JNIHistogram->add_element(this); | |
346 Atomic::dec(&JNIHistogram_lock); | |
347 } | |
348 | |
349 #define JNICountWrapper(arg) \ | |
350 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
351 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
352 if (e != NULL) e->increment_count() | |
353 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
354 #else | |
355 #define JNIWrapper(arg) | |
356 #endif | |
357 | |
358 | |
359 // Implementation of JNI entries | |
360 | |
4006 | 361 #ifndef USDT2 |
0 | 362 DT_RETURN_MARK_DECL(DefineClass, jclass); |
4006 | 363 #else /* USDT2 */ |
364 DT_RETURN_MARK_DECL(DefineClass, jclass | |
365 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
366 #endif /* USDT2 */ | |
0 | 367 |
368 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
369 const jbyte *buf, jsize bufLen)) | |
370 JNIWrapper("DefineClass"); | |
371 | |
4006 | 372 #ifndef USDT2 |
0 | 373 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
374 env, name, loaderRef, buf, bufLen); | |
4006 | 375 #else /* USDT2 */ |
376 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
377 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
378 #endif /* USDT2 */ | |
0 | 379 jclass cls = NULL; |
380 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
381 | |
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382 TempNewSymbol class_name = NULL; |
0 | 383 // Since exceptions can be thrown, class initialization can take place |
384 // if name is NULL no check for class name in .class stream has to be made. | |
385 if (name != NULL) { | |
386 const int str_len = (int)strlen(name); | |
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387 if (str_len > Symbol::max_length()) { |
0 | 388 // It's impossible to create this class; the name cannot fit |
389 // into the constant pool. | |
390 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
391 } | |
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392 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 393 } |
394 ResourceMark rm(THREAD); | |
395 ClassFileStream st((u1*) buf, bufLen, NULL); | |
396 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
397 | |
398 if (UsePerfData && !class_loader.is_null()) { | |
399 // check whether the current caller thread holds the lock or not. | |
400 // If not, increment the corresponding counter | |
401 if (ObjectSynchronizer:: | |
402 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
403 ObjectSynchronizer::owner_self) { | |
404 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
405 } | |
406 } | |
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407 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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408 Handle(), &st, true, |
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409 CHECK_NULL); |
0 | 410 |
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411 if (TraceClassResolution && k != NULL) { |
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412 trace_class_resolution(k); |
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413 } |
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414 |
0 | 415 cls = (jclass)JNIHandles::make_local( |
6983 | 416 env, k->java_mirror()); |
0 | 417 return cls; |
418 JNI_END | |
419 | |
420 | |
421 | |
422 static bool first_time_FindClass = true; | |
423 | |
4006 | 424 #ifndef USDT2 |
0 | 425 DT_RETURN_MARK_DECL(FindClass, jclass); |
4006 | 426 #else /* USDT2 */ |
427 DT_RETURN_MARK_DECL(FindClass, jclass | |
428 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
429 #endif /* USDT2 */ | |
0 | 430 |
431 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
432 JNIWrapper("FindClass"); | |
4006 | 433 #ifndef USDT2 |
0 | 434 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
4006 | 435 #else /* USDT2 */ |
436 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
437 env, (char *)name); | |
438 #endif /* USDT2 */ | |
0 | 439 |
440 jclass result = NULL; | |
441 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
442 | |
443 // Remember if we are the first invocation of jni_FindClass | |
444 bool first_time = first_time_FindClass; | |
445 first_time_FindClass = false; | |
446 | |
447 // Sanity check the name: it cannot be null or larger than the maximum size | |
448 // name we can fit in the constant pool. | |
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449 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
0 | 450 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
451 } | |
452 | |
453 //%note jni_3 | |
454 Handle loader; | |
455 Handle protection_domain; | |
456 // Find calling class | |
457 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
458 if (k.not_null()) { | |
459 loader = Handle(THREAD, k->class_loader()); | |
460 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
461 // in the correct class context. | |
462 if (loader.is_null() && | |
463 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
464 JavaValue result(T_OBJECT); | |
465 JavaCalls::call_static(&result, k, | |
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466 vmSymbols::getFromClass_name(), |
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467 vmSymbols::void_class_signature(), |
0 | 468 thread); |
469 if (HAS_PENDING_EXCEPTION) { | |
470 Handle ex(thread, thread->pending_exception()); | |
471 CLEAR_PENDING_EXCEPTION; | |
472 THROW_HANDLE_0(ex); | |
473 } | |
474 oop mirror = (oop) result.get_jobject(); | |
475 loader = Handle(THREAD, | |
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476 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
0 | 477 protection_domain = Handle(THREAD, |
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478 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
0 | 479 } |
480 } else { | |
481 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
482 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
483 } | |
484 | |
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485 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 486 result = find_class_from_class_loader(env, sym, true, loader, |
487 protection_domain, true, thread); | |
488 | |
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489 if (TraceClassResolution && result != NULL) { |
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490 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
657
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491 } |
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492 |
0 | 493 // If we were the first invocation of jni_FindClass, we enable compilation again |
494 // rather than just allowing invocation counter to overflow and decay. | |
495 // Controlled by flag DelayCompilationDuringStartup. | |
496 if (first_time && !CompileTheWorld) | |
497 CompilationPolicy::completed_vm_startup(); | |
498 | |
499 return result; | |
500 JNI_END | |
501 | |
4006 | 502 #ifndef USDT2 |
0 | 503 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
4006 | 504 #else /* USDT2 */ |
505 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
506 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
507 #endif /* USDT2 */ | |
0 | 508 |
509 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
510 JNIWrapper("FromReflectedMethod"); | |
4006 | 511 #ifndef USDT2 |
0 | 512 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
4006 | 513 #else /* USDT2 */ |
514 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
515 env, method); | |
516 #endif /* USDT2 */ | |
0 | 517 jmethodID ret = NULL; |
518 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
519 | |
520 // method is a handle to a java.lang.reflect.Method object | |
521 oop reflected = JNIHandles::resolve_non_null(method); | |
522 oop mirror = NULL; | |
523 int slot = 0; | |
524 | |
1142 | 525 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
0 | 526 mirror = java_lang_reflect_Constructor::clazz(reflected); |
527 slot = java_lang_reflect_Constructor::slot(reflected); | |
528 } else { | |
1142 | 529 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
0 | 530 mirror = java_lang_reflect_Method::clazz(reflected); |
531 slot = java_lang_reflect_Method::slot(reflected); | |
532 } | |
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533 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 534 |
535 KlassHandle k1(THREAD, k); | |
536 // Make sure class is initialized before handing id's out to methods | |
6983 | 537 k1()->initialize(CHECK_NULL); |
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538 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
0 | 539 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
540 return ret; | |
541 JNI_END | |
542 | |
4006 | 543 #ifndef USDT2 |
0 | 544 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
4006 | 545 #else /* USDT2 */ |
546 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
547 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
548 #endif /* USDT2 */ | |
0 | 549 |
550 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
551 JNIWrapper("FromReflectedField"); | |
4006 | 552 #ifndef USDT2 |
0 | 553 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
4006 | 554 #else /* USDT2 */ |
555 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
556 env, field); | |
557 #endif /* USDT2 */ | |
0 | 558 jfieldID ret = NULL; |
559 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
560 | |
561 // field is a handle to a java.lang.reflect.Field object | |
562 oop reflected = JNIHandles::resolve_non_null(field); | |
563 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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564 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 565 int slot = java_lang_reflect_Field::slot(reflected); |
566 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
567 | |
568 KlassHandle k1(THREAD, k); | |
569 // Make sure class is initialized before handing id's out to fields | |
6983 | 570 k1()->initialize(CHECK_NULL); |
0 | 571 |
572 // First check if this is a static field | |
573 if (modifiers & JVM_ACC_STATIC) { | |
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574 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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575 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
0 | 576 assert(id != NULL, "corrupt Field object"); |
577 debug_only(id->set_is_static_field_id();) | |
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578 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
0 | 579 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
580 return ret; | |
581 } | |
582 | |
583 // The slot is the index of the field description in the field-array | |
584 // The jfieldID is the offset of the field within the object | |
585 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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586 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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587 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
0 | 588 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
589 return ret; | |
590 JNI_END | |
591 | |
4006 | 592 #ifndef USDT2 |
0 | 593 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
4006 | 594 #else /* USDT2 */ |
595 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
596 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
597 #endif /* USDT2 */ | |
0 | 598 |
599 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
600 JNIWrapper("ToReflectedMethod"); | |
4006 | 601 #ifndef USDT2 |
0 | 602 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
4006 | 603 #else /* USDT2 */ |
604 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
605 env, cls, (uintptr_t) method_id, isStatic); | |
606 #endif /* USDT2 */ | |
0 | 607 jobject ret = NULL; |
608 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
609 | |
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610 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 611 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
612 oop reflection_method; | |
613 if (m->is_initializer()) { | |
614 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
615 } else { | |
616 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
617 } | |
618 ret = JNIHandles::make_local(env, reflection_method); | |
619 return ret; | |
620 JNI_END | |
621 | |
4006 | 622 #ifndef USDT2 |
0 | 623 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
4006 | 624 #else /* USDT2 */ |
625 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
626 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
627 #endif /* USDT2 */ | |
0 | 628 |
629 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
630 JNIWrapper("GetSuperclass"); | |
4006 | 631 #ifndef USDT2 |
0 | 632 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
4006 | 633 #else /* USDT2 */ |
634 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
635 env, sub); | |
636 #endif /* USDT2 */ | |
0 | 637 jclass obj = NULL; |
638 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
639 | |
640 oop mirror = JNIHandles::resolve_non_null(sub); | |
641 // primitive classes return NULL | |
642 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
643 | |
644 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
645 // arrays return Object | |
646 // interfaces return NULL | |
647 // proper classes return Klass::super() | |
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648 Klass* k = java_lang_Class::as_Klass(mirror); |
6983 | 649 if (k->is_interface()) return NULL; |
0 | 650 |
651 // return mirror for superclass | |
6983 | 652 Klass* super = k->java_super(); |
0 | 653 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
6983 | 654 debug_only(Klass* super2 = ( k->oop_is_array() |
1142 | 655 ? SystemDictionary::Object_klass() |
6983 | 656 : k->super() ) ); |
0 | 657 assert(super == super2, |
658 "java_super computation depends on interface, array, other super"); | |
6983 | 659 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
0 | 660 return obj; |
661 JNI_END | |
662 | |
663 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
664 JNIWrapper("IsSubclassOf"); | |
4006 | 665 #ifndef USDT2 |
0 | 666 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
4006 | 667 #else /* USDT2 */ |
668 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
669 env, sub, super); | |
670 #endif /* USDT2 */ | |
0 | 671 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
672 oop super_mirror = JNIHandles::resolve_non_null(super); | |
673 if (java_lang_Class::is_primitive(sub_mirror) || | |
674 java_lang_Class::is_primitive(super_mirror)) { | |
675 jboolean ret = (sub_mirror == super_mirror); | |
4006 | 676 #ifndef USDT2 |
0 | 677 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 678 #else /* USDT2 */ |
679 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
680 ret); | |
681 #endif /* USDT2 */ | |
0 | 682 return ret; |
683 } | |
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684 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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685 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
0 | 686 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
6983 | 687 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
0 | 688 JNI_TRUE : JNI_FALSE; |
4006 | 689 #ifndef USDT2 |
0 | 690 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
4006 | 691 #else /* USDT2 */ |
692 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
693 ret); | |
694 #endif /* USDT2 */ | |
0 | 695 return ret; |
696 JNI_END | |
697 | |
4006 | 698 #ifndef USDT2 |
0 | 699 DT_RETURN_MARK_DECL(Throw, jint); |
4006 | 700 #else /* USDT2 */ |
701 DT_RETURN_MARK_DECL(Throw, jint | |
702 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
703 #endif /* USDT2 */ | |
0 | 704 |
705 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
706 JNIWrapper("Throw"); | |
4006 | 707 #ifndef USDT2 |
0 | 708 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
4006 | 709 #else /* USDT2 */ |
710 HOTSPOT_JNI_THROW_ENTRY( | |
711 env, obj); | |
712 #endif /* USDT2 */ | |
0 | 713 jint ret = JNI_OK; |
714 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
715 | |
716 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
717 ShouldNotReachHere(); | |
718 JNI_END | |
719 | |
4006 | 720 #ifndef USDT2 |
0 | 721 DT_RETURN_MARK_DECL(ThrowNew, jint); |
4006 | 722 #else /* USDT2 */ |
723 DT_RETURN_MARK_DECL(ThrowNew, jint | |
724 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
725 #endif /* USDT2 */ | |
0 | 726 |
727 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
728 JNIWrapper("ThrowNew"); | |
4006 | 729 #ifndef USDT2 |
0 | 730 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
4006 | 731 #else /* USDT2 */ |
732 HOTSPOT_JNI_THROWNEW_ENTRY( | |
733 env, clazz, (char *) message); | |
734 #endif /* USDT2 */ | |
0 | 735 jint ret = JNI_OK; |
736 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
737 | |
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738 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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739 Symbol* name = k->name(); |
0 | 740 Handle class_loader (THREAD, k->class_loader()); |
741 Handle protection_domain (THREAD, k->protection_domain()); | |
742 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
743 ShouldNotReachHere(); | |
744 JNI_END | |
745 | |
746 | |
747 // JNI functions only transform a pending async exception to a synchronous | |
748 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
749 // delivering an async exception in other places won't change the native | |
750 // code's control flow and would be harmful when native code further calls | |
751 // JNI functions with a pending exception. Async exception is also checked | |
752 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
753 // false but deliver the async exception at the very end during | |
754 // state transition. | |
755 | |
756 static void jni_check_async_exceptions(JavaThread *thread) { | |
757 assert(thread == Thread::current(), "must be itself"); | |
758 thread->check_and_handle_async_exceptions(); | |
759 } | |
760 | |
761 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
762 JNIWrapper("ExceptionOccurred"); | |
4006 | 763 #ifndef USDT2 |
0 | 764 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
4006 | 765 #else /* USDT2 */ |
766 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
767 env); | |
768 #endif /* USDT2 */ | |
0 | 769 jni_check_async_exceptions(thread); |
770 oop exception = thread->pending_exception(); | |
771 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
4006 | 772 #ifndef USDT2 |
0 | 773 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
4006 | 774 #else /* USDT2 */ |
775 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
776 ret); | |
777 #endif /* USDT2 */ | |
0 | 778 return ret; |
779 JNI_END | |
780 | |
781 | |
782 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
783 JNIWrapper("ExceptionDescribe"); | |
4006 | 784 #ifndef USDT2 |
0 | 785 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
4006 | 786 #else /* USDT2 */ |
787 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
788 env); | |
789 #endif /* USDT2 */ | |
0 | 790 if (thread->has_pending_exception()) { |
791 Handle ex(thread, thread->pending_exception()); | |
792 thread->clear_pending_exception(); | |
1142 | 793 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
0 | 794 // Don't print anything if we are being killed. |
795 } else { | |
796 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
797 if (thread != NULL && thread->threadObj() != NULL) { | |
798 ResourceMark rm(THREAD); | |
799 jio_fprintf(defaultStream::error_stream(), | |
800 "in thread \"%s\" ", thread->get_thread_name()); | |
801 } | |
1142 | 802 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
0 | 803 JavaValue result(T_VOID); |
804 JavaCalls::call_virtual(&result, | |
805 ex, | |
806 KlassHandle(THREAD, | |
1142 | 807 SystemDictionary::Throwable_klass()), |
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808 vmSymbols::printStackTrace_name(), |
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809 vmSymbols::void_method_signature(), |
0 | 810 THREAD); |
811 // If an exception is thrown in the call it gets thrown away. Not much | |
812 // we can do with it. The native code that calls this, does not check | |
813 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
814 // called, potentially causing a few asserts to trigger - since no pending exception | |
815 // is expected. | |
816 CLEAR_PENDING_EXCEPTION; | |
817 } else { | |
818 ResourceMark rm(THREAD); | |
819 jio_fprintf(defaultStream::error_stream(), | |
820 ". Uncaught exception of type %s.", | |
6983 | 821 ex->klass()->external_name()); |
0 | 822 } |
823 } | |
824 } | |
4006 | 825 #ifndef USDT2 |
0 | 826 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
4006 | 827 #else /* USDT2 */ |
828 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
829 ); | |
830 #endif /* USDT2 */ | |
0 | 831 JNI_END |
832 | |
833 | |
834 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
835 JNIWrapper("ExceptionClear"); | |
4006 | 836 #ifndef USDT2 |
0 | 837 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
4006 | 838 #else /* USDT2 */ |
839 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
840 env); | |
841 #endif /* USDT2 */ | |
0 | 842 |
843 // The jni code might be using this API to clear java thrown exception. | |
844 // So just mark jvmti thread exception state as exception caught. | |
845 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
846 if (state != NULL && state->is_exception_detected()) { | |
847 state->set_exception_caught(); | |
848 } | |
849 thread->clear_pending_exception(); | |
4006 | 850 #ifndef USDT2 |
0 | 851 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
4006 | 852 #else /* USDT2 */ |
853 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
854 ); | |
855 #endif /* USDT2 */ | |
0 | 856 JNI_END |
857 | |
858 | |
859 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
860 JNIWrapper("FatalError"); | |
4006 | 861 #ifndef USDT2 |
0 | 862 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
4006 | 863 #else /* USDT2 */ |
864 HOTSPOT_JNI_FATALERROR_ENTRY( | |
865 env, (char *) msg); | |
866 #endif /* USDT2 */ | |
0 | 867 tty->print_cr("FATAL ERROR in native method: %s", msg); |
868 thread->print_stack(); | |
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869 os::abort(); // Dump core and abort |
0 | 870 JNI_END |
871 | |
872 | |
873 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
874 JNIWrapper("PushLocalFrame"); | |
4006 | 875 #ifndef USDT2 |
0 | 876 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
4006 | 877 #else /* USDT2 */ |
878 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
879 env, capacity); | |
880 #endif /* USDT2 */ | |
0 | 881 //%note jni_11 |
882 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
4006 | 883 #ifndef USDT2 |
0 | 884 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
4006 | 885 #else /* USDT2 */ |
886 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
887 (uint32_t)JNI_ERR); | |
888 #endif /* USDT2 */ | |
0 | 889 return JNI_ERR; |
890 } | |
891 JNIHandleBlock* old_handles = thread->active_handles(); | |
892 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
893 assert(new_handles != NULL, "should not be NULL"); | |
894 new_handles->set_pop_frame_link(old_handles); | |
895 thread->set_active_handles(new_handles); | |
896 jint ret = JNI_OK; | |
4006 | 897 #ifndef USDT2 |
0 | 898 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
4006 | 899 #else /* USDT2 */ |
900 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
901 ret); | |
902 #endif /* USDT2 */ | |
0 | 903 return ret; |
904 JNI_END | |
905 | |
906 | |
907 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
908 JNIWrapper("PopLocalFrame"); | |
4006 | 909 #ifndef USDT2 |
0 | 910 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
4006 | 911 #else /* USDT2 */ |
912 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
913 env, result); | |
914 #endif /* USDT2 */ | |
0 | 915 //%note jni_11 |
916 Handle result_handle(thread, JNIHandles::resolve(result)); | |
917 JNIHandleBlock* old_handles = thread->active_handles(); | |
918 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
919 if (new_handles != NULL) { | |
920 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
921 // This way code will still work if PopLocalFrame is called without a corresponding | |
922 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
923 // the release_block call will release the blocks. | |
924 thread->set_active_handles(new_handles); | |
925 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
926 JNIHandleBlock::release_block(old_handles, thread); // may block | |
927 result = JNIHandles::make_local(thread, result_handle()); | |
928 } | |
4006 | 929 #ifndef USDT2 |
0 | 930 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
4006 | 931 #else /* USDT2 */ |
932 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
933 result); | |
934 #endif /* USDT2 */ | |
0 | 935 return result; |
936 JNI_END | |
937 | |
938 | |
939 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
940 JNIWrapper("NewGlobalRef"); | |
4006 | 941 #ifndef USDT2 |
0 | 942 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
4006 | 943 #else /* USDT2 */ |
944 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
945 env, ref); | |
946 #endif /* USDT2 */ | |
0 | 947 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
948 jobject ret = JNIHandles::make_global(ref_handle); | |
4006 | 949 #ifndef USDT2 |
0 | 950 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
4006 | 951 #else /* USDT2 */ |
952 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
953 ret); | |
954 #endif /* USDT2 */ | |
0 | 955 return ret; |
956 JNI_END | |
957 | |
958 // Must be JNI_ENTRY (with HandleMark) | |
959 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
960 JNIWrapper("DeleteGlobalRef"); | |
4006 | 961 #ifndef USDT2 |
0 | 962 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
4006 | 963 #else /* USDT2 */ |
964 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
965 env, ref); | |
966 #endif /* USDT2 */ | |
0 | 967 JNIHandles::destroy_global(ref); |
4006 | 968 #ifndef USDT2 |
0 | 969 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
4006 | 970 #else /* USDT2 */ |
971 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
972 ); | |
973 #endif /* USDT2 */ | |
0 | 974 JNI_END |
975 | |
976 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
977 JNIWrapper("DeleteLocalRef"); | |
4006 | 978 #ifndef USDT2 |
0 | 979 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
4006 | 980 #else /* USDT2 */ |
981 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
982 env, obj); | |
983 #endif /* USDT2 */ | |
0 | 984 JNIHandles::destroy_local(obj); |
4006 | 985 #ifndef USDT2 |
0 | 986 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
4006 | 987 #else /* USDT2 */ |
988 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
989 ); | |
990 #endif /* USDT2 */ | |
0 | 991 JNI_END |
992 | |
993 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
994 JNIWrapper("IsSameObject"); | |
4006 | 995 #ifndef USDT2 |
0 | 996 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
4006 | 997 #else /* USDT2 */ |
998 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
999 env, r1, r2); | |
1000 #endif /* USDT2 */ | |
0 | 1001 oop a = JNIHandles::resolve(r1); |
1002 oop b = JNIHandles::resolve(r2); | |
1003 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
4006 | 1004 #ifndef USDT2 |
0 | 1005 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
4006 | 1006 #else /* USDT2 */ |
1007 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
1008 ret); | |
1009 #endif /* USDT2 */ | |
0 | 1010 return ret; |
1011 JNI_END | |
1012 | |
1013 | |
1014 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
1015 JNIWrapper("NewLocalRef"); | |
4006 | 1016 #ifndef USDT2 |
0 | 1017 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
4006 | 1018 #else /* USDT2 */ |
1019 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
1020 env, ref); | |
1021 #endif /* USDT2 */ | |
0 | 1022 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
4006 | 1023 #ifndef USDT2 |
0 | 1024 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
4006 | 1025 #else /* USDT2 */ |
1026 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
1027 ret); | |
1028 #endif /* USDT2 */ | |
0 | 1029 return ret; |
1030 JNI_END | |
1031 | |
1032 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
1033 JNIWrapper("EnsureLocalCapacity"); | |
4006 | 1034 #ifndef USDT2 |
0 | 1035 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
4006 | 1036 #else /* USDT2 */ |
1037 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
1038 env, capacity); | |
1039 #endif /* USDT2 */ | |
0 | 1040 jint ret; |
1041 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
1042 ret = JNI_OK; | |
1043 } else { | |
1044 ret = JNI_ERR; | |
1045 } | |
4006 | 1046 #ifndef USDT2 |
0 | 1047 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
4006 | 1048 #else /* USDT2 */ |
1049 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
1050 ret); | |
1051 #endif /* USDT2 */ | |
0 | 1052 return ret; |
1053 JNI_END | |
1054 | |
1055 // Return the Handle Type | |
1056 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
1057 JNIWrapper("GetObjectRefType"); | |
4006 | 1058 #ifndef USDT2 |
0 | 1059 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
4006 | 1060 #else /* USDT2 */ |
1061 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
1062 env, obj); | |
1063 #endif /* USDT2 */ | |
0 | 1064 jobjectRefType ret; |
1065 if (JNIHandles::is_local_handle(thread, obj) || | |
1066 JNIHandles::is_frame_handle(thread, obj)) | |
1067 ret = JNILocalRefType; | |
1068 else if (JNIHandles::is_global_handle(obj)) | |
1069 ret = JNIGlobalRefType; | |
1070 else if (JNIHandles::is_weak_global_handle(obj)) | |
1071 ret = JNIWeakGlobalRefType; | |
1072 else | |
1073 ret = JNIInvalidRefType; | |
4006 | 1074 #ifndef USDT2 |
0 | 1075 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
4006 | 1076 #else /* USDT2 */ |
1077 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
1078 (void *) ret); | |
1079 #endif /* USDT2 */ | |
0 | 1080 return ret; |
1081 JNI_END | |
1082 | |
1083 | |
1084 class JNI_ArgumentPusher : public SignatureIterator { | |
1085 protected: | |
1086 JavaCallArguments* _arguments; | |
1087 | |
1088 virtual void get_bool () = 0; | |
1089 virtual void get_char () = 0; | |
1090 virtual void get_short () = 0; | |
1091 virtual void get_byte () = 0; | |
1092 virtual void get_int () = 0; | |
1093 virtual void get_long () = 0; | |
1094 virtual void get_float () = 0; | |
1095 virtual void get_double () = 0; | |
1096 virtual void get_object () = 0; | |
1097 | |
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1098 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
0 | 1099 this->_return_type = T_ILLEGAL; |
1100 _arguments = NULL; | |
1101 } | |
1102 | |
1103 public: | |
1104 virtual void iterate( uint64_t fingerprint ) = 0; | |
1105 | |
1106 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
1107 | |
1108 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
1109 inline void do_char() { if (!is_return_type()) get_char(); } | |
1110 inline void do_short() { if (!is_return_type()) get_short(); } | |
1111 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
1112 inline void do_int() { if (!is_return_type()) get_int(); } | |
1113 inline void do_long() { if (!is_return_type()) get_long(); } | |
1114 inline void do_float() { if (!is_return_type()) get_float(); } | |
1115 inline void do_double() { if (!is_return_type()) get_double(); } | |
1116 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
1117 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
1118 inline void do_void() { } | |
1119 | |
1120 JavaCallArguments* arguments() { return _arguments; } | |
1121 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
1122 }; | |
1123 | |
1124 | |
1125 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
1126 protected: | |
1127 va_list _ap; | |
1128 | |
1129 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
1130 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
1131 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
1132 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
1133 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
1134 | |
1135 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
1136 | |
1137 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
1138 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
1139 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
1140 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
1141 _arguments->push_oop(Handle((oop *)l, false)); } | |
1142 | |
1143 inline void set_ap(va_list rap) { | |
1144 #ifdef va_copy | |
1145 va_copy(_ap, rap); | |
1146 #elif defined (__va_copy) | |
1147 __va_copy(_ap, rap); | |
1148 #else | |
1149 _ap = rap; | |
1150 #endif | |
1151 } | |
1152 | |
1153 public: | |
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1154 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1155 : JNI_ArgumentPusher(signature) { |
0 | 1156 set_ap(rap); |
1157 } | |
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1158 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1159 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 1160 set_ap(rap); |
1161 } | |
1162 | |
1163 // Optimized path if we have the bitvector form of signature | |
1164 void iterate( uint64_t fingerprint ) { | |
1165 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
1166 else { | |
1167 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1168 result_feature_mask); | |
1169 | |
1170 assert(fingerprint, "Fingerprint should not be 0"); | |
1171 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1172 while ( 1 ) { | |
1173 switch ( fingerprint & parameter_feature_mask ) { | |
1174 case bool_parm: | |
1175 case char_parm: | |
1176 case short_parm: | |
1177 case byte_parm: | |
1178 case int_parm: | |
1179 get_int(); | |
1180 break; | |
1181 case obj_parm: | |
1182 get_object(); | |
1183 break; | |
1184 case long_parm: | |
1185 get_long(); | |
1186 break; | |
1187 case float_parm: | |
1188 get_float(); | |
1189 break; | |
1190 case double_parm: | |
1191 get_double(); | |
1192 break; | |
1193 case done_parm: | |
1194 return; | |
1195 break; | |
1196 default: | |
1197 ShouldNotReachHere(); | |
1198 break; | |
1199 } | |
1200 fingerprint >>= parameter_feature_size; | |
1201 } | |
1202 } | |
1203 } | |
1204 }; | |
1205 | |
1206 | |
1207 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
1208 protected: | |
1209 const jvalue *_ap; | |
1210 | |
1211 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
1212 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
1213 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
1214 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
1215 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
1216 | |
1217 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
1218 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
1219 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
1220 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
1221 | |
1222 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
1223 | |
1224 public: | |
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1225 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1226 : JNI_ArgumentPusher(signature) { |
0 | 1227 set_ap(rap); |
1228 } | |
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1229 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1230 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 1231 set_ap(rap); |
1232 } | |
1233 | |
1234 // Optimized path if we have the bitvector form of signature | |
1235 void iterate( uint64_t fingerprint ) { | |
1236 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
1237 else { | |
1238 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1239 result_feature_mask); | |
1240 assert(fingerprint, "Fingerprint should not be 0"); | |
1241 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1242 while ( 1 ) { | |
1243 switch ( fingerprint & parameter_feature_mask ) { | |
1244 case bool_parm: | |
1245 get_bool(); | |
1246 break; | |
1247 case char_parm: | |
1248 get_char(); | |
1249 break; | |
1250 case short_parm: | |
1251 get_short(); | |
1252 break; | |
1253 case byte_parm: | |
1254 get_byte(); | |
1255 break; | |
1256 case int_parm: | |
1257 get_int(); | |
1258 break; | |
1259 case obj_parm: | |
1260 get_object(); | |
1261 break; | |
1262 case long_parm: | |
1263 get_long(); | |
1264 break; | |
1265 case float_parm: | |
1266 get_float(); | |
1267 break; | |
1268 case double_parm: | |
1269 get_double(); | |
1270 break; | |
1271 case done_parm: | |
1272 return; | |
1273 break; | |
1274 default: | |
1275 ShouldNotReachHere(); | |
1276 break; | |
1277 } | |
1278 fingerprint >>= parameter_feature_size; | |
1279 } | |
1280 } | |
1281 } | |
1282 }; | |
1283 | |
1284 | |
1285 enum JNICallType { | |
1286 JNI_STATIC, | |
1287 JNI_VIRTUAL, | |
1288 JNI_NONVIRTUAL | |
1289 }; | |
1290 | |
1291 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
1292 assert(!method.is_null() , "method should not be null"); | |
1293 | |
1294 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
1295 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
1296 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1297 Symbol* name = method->name(); |
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1298 Symbol* signature = method->signature(); |
0 | 1299 CallInfo info; |
1300 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
1301 return info.selected_method(); | |
1302 } | |
1303 | |
1304 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
1305 assert(!method.is_null() , "method should not be null"); | |
1306 | |
1307 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
1308 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
1309 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1310 Symbol* name = method->name(); |
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1311 Symbol* signature = method->signature(); |
0 | 1312 CallInfo info; |
1313 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
1314 return info.selected_method(); | |
1315 } | |
1316 | |
1317 | |
1318 | |
1319 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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1320 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 1321 |
1322 // Create object to hold arguments for the JavaCall, and associate it with | |
1323 // the jni parser | |
1324 ResourceMark rm(THREAD); | |
1325 int number_of_parameters = method->size_of_parameters(); | |
1326 JavaCallArguments java_args(number_of_parameters); | |
1327 args->set_java_argument_object(&java_args); | |
1328 | |
1329 assert(method->is_static(), "method should be static"); | |
1330 | |
1331 // Fill out JavaCallArguments object | |
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1332 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1333 // Initialize result type |
1334 result->set_type(args->get_ret_type()); | |
1335 | |
1336 // Invoke the method. Result is returned as oop. | |
1337 JavaCalls::call(result, method, &java_args, CHECK); | |
1338 | |
1339 // Convert result | |
1340 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1341 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1342 } | |
1343 } | |
1344 | |
1345 | |
1346 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1347 oop recv = JNIHandles::resolve(receiver); | |
1348 if (recv == NULL) { | |
1349 THROW(vmSymbols::java_lang_NullPointerException()); | |
1350 } | |
1351 Handle h_recv(THREAD, recv); | |
1352 | |
1353 int number_of_parameters; | |
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1354 Method* selected_method; |
0 | 1355 { |
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1356 Method* m = Method::resolve_jmethod_id(method_id); |
0 | 1357 number_of_parameters = m->size_of_parameters(); |
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1358 Klass* holder = m->method_holder(); |
6983 | 1359 if (!(holder)->is_interface()) { |
0 | 1360 // non-interface call -- for that little speed boost, don't handlize |
1361 debug_only(No_Safepoint_Verifier nosafepoint;) | |
1362 if (call_type == JNI_VIRTUAL) { | |
1363 // jni_GetMethodID makes sure class is linked and initialized | |
1364 // so m should have a valid vtable index. | |
1365 int vtbl_index = m->vtable_index(); | |
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1366 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1367 Klass* k = h_recv->klass(); |
0 | 1368 // k might be an arrayKlassOop but all vtables start at |
1369 // the same place. The cast is to avoid virtual call and assertion. | |
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1370 InstanceKlass *ik = (InstanceKlass*)k; |
0 | 1371 selected_method = ik->method_at_vtable(vtbl_index); |
1372 } else { | |
1373 // final method | |
1374 selected_method = m; | |
1375 } | |
1376 } else { | |
1377 // JNI_NONVIRTUAL call | |
1378 selected_method = m; | |
1379 } | |
1380 } else { | |
1381 // interface call | |
1382 KlassHandle h_holder(THREAD, holder); | |
1383 | |
1384 int itbl_index = m->cached_itable_index(); | |
1385 if (itbl_index == -1) { | |
1386 itbl_index = klassItable::compute_itable_index(m); | |
1387 m->set_cached_itable_index(itbl_index); | |
1388 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
1389 } | |
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1390 Klass* k = h_recv->klass(); |
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1391 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
0 | 1392 } |
1393 } | |
1394 | |
1395 methodHandle method(THREAD, selected_method); | |
1396 | |
1397 // Create object to hold arguments for the JavaCall, and associate it with | |
1398 // the jni parser | |
1399 ResourceMark rm(THREAD); | |
1400 JavaCallArguments java_args(number_of_parameters); | |
1401 args->set_java_argument_object(&java_args); | |
1402 | |
1403 // handle arguments | |
1404 assert(!method->is_static(), "method should not be static"); | |
1405 args->push_receiver(h_recv); // Push jobject handle | |
1406 | |
1407 // Fill out JavaCallArguments object | |
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1408 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1409 // Initialize result type |
1410 result->set_type(args->get_ret_type()); | |
1411 | |
1412 // Invoke the method. Result is returned as oop. | |
1413 JavaCalls::call(result, method, &java_args, CHECK); | |
1414 | |
1415 // Convert result | |
1416 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1417 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1418 } | |
1419 } | |
1420 | |
1421 | |
1422 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1423 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
6983 | 1424 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1425 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1426 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
0 | 1427 return ih; |
1428 } | |
1429 | |
4006 | 1430 #ifndef USDT2 |
0 | 1431 DT_RETURN_MARK_DECL(AllocObject, jobject); |
4006 | 1432 #else /* USDT2 */ |
1433 DT_RETURN_MARK_DECL(AllocObject, jobject | |
1434 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
1435 #endif /* USDT2 */ | |
0 | 1436 |
1437 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
1438 JNIWrapper("AllocObject"); | |
1439 | |
4006 | 1440 #ifndef USDT2 |
0 | 1441 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
4006 | 1442 #else /* USDT2 */ |
1443 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
1444 env, clazz); | |
1445 #endif /* USDT2 */ | |
0 | 1446 jobject ret = NULL; |
1447 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
1448 | |
1449 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1450 ret = JNIHandles::make_local(env, i); | |
1451 return ret; | |
1452 JNI_END | |
1453 | |
4006 | 1454 #ifndef USDT2 |
0 | 1455 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
4006 | 1456 #else /* USDT2 */ |
1457 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
1458 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
1459 #endif /* USDT2 */ | |
0 | 1460 |
1461 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
1462 JNIWrapper("NewObjectA"); | |
4006 | 1463 #ifndef USDT2 |
0 | 1464 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
4006 | 1465 #else /* USDT2 */ |
1466 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
1467 env, clazz, (uintptr_t) methodID); | |
1468 #endif /* USDT2 */ | |
0 | 1469 jobject obj = NULL; |
1470 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
1471 | |
1472 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1473 obj = JNIHandles::make_local(env, i); | |
1474 JavaValue jvalue(T_VOID); | |
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1475 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1476 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1477 return obj; | |
1478 JNI_END | |
1479 | |
4006 | 1480 #ifndef USDT2 |
0 | 1481 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
4006 | 1482 #else /* USDT2 */ |
1483 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
1484 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
1485 #endif /* USDT2 */ | |
0 | 1486 |
1487 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
1488 JNIWrapper("NewObjectV"); | |
4006 | 1489 #ifndef USDT2 |
0 | 1490 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
4006 | 1491 #else /* USDT2 */ |
1492 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
1493 env, clazz, (uintptr_t) methodID); | |
1494 #endif /* USDT2 */ | |
0 | 1495 jobject obj = NULL; |
1496 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
1497 | |
1498 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1499 obj = JNIHandles::make_local(env, i); | |
1500 JavaValue jvalue(T_VOID); | |
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1501 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1502 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1503 return obj; | |
1504 JNI_END | |
1505 | |
4006 | 1506 #ifndef USDT2 |
0 | 1507 DT_RETURN_MARK_DECL(NewObject, jobject); |
4006 | 1508 #else /* USDT2 */ |
1509 DT_RETURN_MARK_DECL(NewObject, jobject | |
1510 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
1511 #endif /* USDT2 */ | |
0 | 1512 |
1513 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
1514 JNIWrapper("NewObject"); | |
4006 | 1515 #ifndef USDT2 |
0 | 1516 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
4006 | 1517 #else /* USDT2 */ |
1518 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
1519 env, clazz, (uintptr_t) methodID); | |
1520 #endif /* USDT2 */ | |
0 | 1521 jobject obj = NULL; |
1522 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
1523 | |
1524 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1525 obj = JNIHandles::make_local(env, i); | |
1526 va_list args; | |
1527 va_start(args, methodID); | |
1528 JavaValue jvalue(T_VOID); | |
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1529 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1530 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1531 va_end(args); | |
1532 return obj; | |
1533 JNI_END | |
1534 | |
1535 | |
1536 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
1537 JNIWrapper("GetObjectClass"); | |
4006 | 1538 #ifndef USDT2 |
0 | 1539 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
4006 | 1540 #else /* USDT2 */ |
1541 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
1542 env, obj); | |
1543 #endif /* USDT2 */ | |
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1544 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
0 | 1545 jclass ret = |
6983 | 1546 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
4006 | 1547 #ifndef USDT2 |
0 | 1548 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
4006 | 1549 #else /* USDT2 */ |
1550 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
1551 ret); | |
1552 #endif /* USDT2 */ | |
0 | 1553 return ret; |
1554 JNI_END | |
1555 | |
1556 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
1557 JNIWrapper("IsInstanceOf"); | |
4006 | 1558 #ifndef USDT2 |
0 | 1559 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
4006 | 1560 #else /* USDT2 */ |
1561 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
1562 env, obj, clazz); | |
1563 #endif /* USDT2 */ | |
0 | 1564 jboolean ret = JNI_TRUE; |
1565 if (obj != NULL) { | |
1566 ret = JNI_FALSE; | |
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1567 Klass* k = java_lang_Class::as_Klass( |
0 | 1568 JNIHandles::resolve_non_null(clazz)); |
1569 if (k != NULL) { | |
1570 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
1571 } | |
1572 } | |
4006 | 1573 #ifndef USDT2 |
0 | 1574 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
4006 | 1575 #else /* USDT2 */ |
1576 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
1577 ret); | |
1578 #endif /* USDT2 */ | |
0 | 1579 return ret; |
1580 JNI_END | |
1581 | |
1582 | |
1583 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
1584 const char *sig, bool is_static, TRAPS) { | |
1585 // %%%% This code should probably just call into a method in the LinkResolver | |
1586 // | |
1587 // The class should have been loaded (we have an instance of the class | |
1588 // passed in) so the method and signature should already be in the symbol | |
1589 // table. If they're not there, the method doesn't exist. | |
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1590 const char *name_to_probe = (name_str == NULL) |
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1591 ? vmSymbols::object_initializer_name()->as_C_string() |
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1592 : name_str; |
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1593 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1594 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1595 |
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1596 if (name == NULL || signature == NULL) { |
0 | 1597 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
1598 } | |
1599 | |
1600 // Throw a NoSuchMethodError exception if we have an instance of a | |
1601 // primitive java.lang.Class | |
1602 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
1603 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1604 } | |
1605 | |
1606 KlassHandle klass(THREAD, | |
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1607 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 1608 |
1609 // Make sure class is linked and initialized before handing id's out to | |
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1610 // Method*s. |
6983 | 1611 klass()->initialize(CHECK_NULL); |
0 | 1612 |
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1613 Method* m; |
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1614 if (name == vmSymbols::object_initializer_name() || |
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1615 name == vmSymbols::class_initializer_name()) { |
0 | 1616 // Never search superclasses for constructors |
1617 if (klass->oop_is_instance()) { | |
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1618 m = InstanceKlass::cast(klass())->find_method(name, signature); |
0 | 1619 } else { |
1620 m = NULL; | |
1621 } | |
1622 } else { | |
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1623 m = klass->lookup_method(name, signature); |
0 | 1624 // Look up interfaces |
1625 if (m == NULL && klass->oop_is_instance()) { | |
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1626 m = InstanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1627 signature); |
0 | 1628 } |
1629 } | |
1630 if (m == NULL || (m->is_static() != is_static)) { | |
1631 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1632 } | |
1633 return m->jmethod_id(); | |
1634 } | |
1635 | |
1636 | |
1637 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
1638 const char *name, const char *sig)) | |
1639 JNIWrapper("GetMethodID"); | |
4006 | 1640 #ifndef USDT2 |
0 | 1641 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
4006 | 1642 #else /* USDT2 */ |
1643 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
1644 env, clazz, (char *) name, (char *) sig); | |
1645 #endif /* USDT2 */ | |
0 | 1646 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
4006 | 1647 #ifndef USDT2 |
0 | 1648 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
4006 | 1649 #else /* USDT2 */ |
1650 HOTSPOT_JNI_GETMETHODID_RETURN( | |
1651 (uintptr_t) ret); | |
1652 #endif /* USDT2 */ | |
0 | 1653 return ret; |
1654 JNI_END | |
1655 | |
1656 | |
1657 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
1658 const char *name, const char *sig)) | |
1659 JNIWrapper("GetStaticMethodID"); | |
4006 | 1660 #ifndef USDT2 |
0 | 1661 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
4006 | 1662 #else /* USDT2 */ |
1663 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
1664 env, (char *) clazz, (char *) name, (char *)sig); | |
1665 #endif /* USDT2 */ | |
0 | 1666 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
4006 | 1667 #ifndef USDT2 |
0 | 1668 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
4006 | 1669 #else /* USDT2 */ |
1670 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
1671 (uintptr_t) ret); | |
1672 #endif /* USDT2 */ | |
0 | 1673 return ret; |
1674 JNI_END | |
1675 | |
1676 | |
1677 | |
1678 // | |
1679 // Calling Methods | |
1680 // | |
1681 | |
4006 | 1682 #ifndef USDT2 |
0 | 1683 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
1684 \ | |
1685 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
1686 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
1687 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
1688 \ | |
1689 JNI_ENTRY(ResultType, \ | |
1690 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1691 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1692 \ | |
4006 | 1693 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
0 | 1694 ResultType ret = 0;\ |
1695 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1696 (const ResultType&)ret);\ | |
1697 \ | |
1698 va_list args; \ | |
1699 va_start(args, methodID); \ | |
1700 JavaValue jvalue(Tag); \ | |
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1701 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1702 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1703 va_end(args); \ | |
1704 ret = jvalue.get_##ResultType(); \ | |
1705 return ret;\ | |
1706 JNI_END \ | |
1707 \ | |
1708 \ | |
1709 JNI_ENTRY(ResultType, \ | |
1710 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1711 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1712 \ | |
4006 | 1713 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
0 | 1714 ResultType ret = 0;\ |
1715 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1716 (const ResultType&)ret);\ | |
1717 \ | |
1718 JavaValue jvalue(Tag); \ | |
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1719 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1720 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1721 ret = jvalue.get_##ResultType(); \ | |
1722 return ret;\ | |
1723 JNI_END \ | |
1724 \ | |
1725 \ | |
1726 JNI_ENTRY(ResultType, \ | |
1727 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1728 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
4006 | 1729 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
0 | 1730 ResultType ret = 0;\ |
1731 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1732 (const ResultType&)ret);\ | |
1733 \ | |
1734 JavaValue jvalue(Tag); \ | |
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1735 JNI_ArgumentPusherArray 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 // the runtime type of subword integral basic types is integer | |
1742 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
1743 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
1744 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
1745 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
1746 | |
1747 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
1748 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
1749 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
1750 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
1751 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
1752 | |
1753 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
1754 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
1755 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
1756 | |
4006 | 1757 #else /* USDT2 */ |
1758 | |
1759 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
1760 , EntryProbe, ReturnProbe) \ | |
1761 \ | |
1762 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
1763 , ReturnProbe); \ | |
1764 \ | |
1765 JNI_ENTRY(ResultType, \ | |
1766 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1767 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1768 \ | |
1769 EntryProbe; \ | |
1770 ResultType ret = 0;\ | |
1771 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1772 (const ResultType&)ret);\ | |
1773 \ | |
1774 va_list args; \ | |
1775 va_start(args, methodID); \ | |
1776 JavaValue jvalue(Tag); \ | |
1777 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1778 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1779 va_end(args); \ | |
1780 ret = jvalue.get_##ResultType(); \ | |
1781 return ret;\ | |
1782 JNI_END | |
1783 | |
1784 // the runtime type of subword integral basic types is integer | |
1785 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
1786 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1787 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1788 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
1789 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1790 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1791 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
1792 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1793 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1794 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
1795 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1796 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1797 | |
1798 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
1799 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1800 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1801 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
1802 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1803 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1804 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
1805 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1806 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1807 // Float and double probes don't return value because dtrace doesn't currently support it | |
1808 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
1809 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1810 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1811 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
1812 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1813 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1814 | |
1815 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
1816 , EntryProbe, ReturnProbe) \ | |
1817 \ | |
1818 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
1819 , ReturnProbe); \ | |
1820 \ | |
1821 JNI_ENTRY(ResultType, \ | |
1822 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1823 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1824 \ | |
1825 EntryProbe;\ | |
1826 ResultType ret = 0;\ | |
1827 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1828 (const ResultType&)ret);\ | |
1829 \ | |
1830 JavaValue jvalue(Tag); \ | |
1831 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1832 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1833 ret = jvalue.get_##ResultType(); \ | |
1834 return ret;\ | |
1835 JNI_END | |
1836 | |
1837 // the runtime type of subword integral basic types is integer | |
1838 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
1839 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1840 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1841 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
1842 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1843 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1844 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
1845 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1846 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1847 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
1848 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1849 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1850 | |
1851 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
1852 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1853 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1854 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
1855 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1856 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1857 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
1858 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1859 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1860 // Float and double probes don't return value because dtrace doesn't currently support it | |
1861 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
1862 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1863 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1864 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
1865 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1866 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1867 | |
1868 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
1869 , EntryProbe, ReturnProbe) \ | |
1870 \ | |
1871 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
1872 , ReturnProbe); \ | |
1873 \ | |
1874 JNI_ENTRY(ResultType, \ | |
1875 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1876 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
1877 EntryProbe; \ | |
1878 ResultType ret = 0;\ | |
1879 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1880 (const ResultType&)ret);\ | |
1881 \ | |
1882 JavaValue jvalue(Tag); \ | |
1883 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1884 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1885 ret = jvalue.get_##ResultType(); \ | |
1886 return ret;\ | |
1887 JNI_END | |
1888 | |
1889 // the runtime type of subword integral basic types is integer | |
1890 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
1891 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1892 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1893 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
1894 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1895 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1896 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
1897 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1898 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1899 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
1900 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1901 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1902 | |
1903 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
1904 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1905 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1906 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
1907 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1908 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1909 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
1910 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1911 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1912 // Float and double probes don't return value because dtrace doesn't currently support it | |
1913 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
1914 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1915 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1916 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
1917 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1918 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1919 | |
1920 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
1921 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
1922 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
1923 | |
1924 #endif /* USDT2 */ | |
1925 | |
0 | 1926 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
1927 JNIWrapper("CallVoidMethod"); | |
4006 | 1928 #ifndef USDT2 |
0 | 1929 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
4006 | 1930 #else /* USDT2 */ |
1931 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
1932 env, obj, (uintptr_t) methodID); | |
1933 #endif /* USDT2 */ | |
0 | 1934 DT_VOID_RETURN_MARK(CallVoidMethod); |
1935 | |
1936 va_list args; | |
1937 va_start(args, methodID); | |
1938 JavaValue jvalue(T_VOID); | |
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1939 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1940 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1941 va_end(args); | |
1942 JNI_END | |
1943 | |
1944 | |
1945 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
1946 JNIWrapper("CallVoidMethodV"); | |
4006 | 1947 #ifndef USDT2 |
0 | 1948 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
4006 | 1949 #else /* USDT2 */ |
1950 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
1951 env, obj, (uintptr_t) methodID); | |
1952 #endif /* USDT2 */ | |
0 | 1953 DT_VOID_RETURN_MARK(CallVoidMethodV); |
1954 | |
1955 JavaValue jvalue(T_VOID); | |
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1956 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1957 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1958 JNI_END | |
1959 | |
1960 | |
1961 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
1962 JNIWrapper("CallVoidMethodA"); | |
4006 | 1963 #ifndef USDT2 |
0 | 1964 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
4006 | 1965 #else /* USDT2 */ |
1966 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
1967 env, obj, (uintptr_t) methodID); | |
1968 #endif /* USDT2 */ | |
0 | 1969 DT_VOID_RETURN_MARK(CallVoidMethodA); |
1970 | |
1971 JavaValue jvalue(T_VOID); | |
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1972 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1973 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1974 JNI_END | |
1975 | |
1976 | |
4006 | 1977 #ifndef USDT2 |
0 | 1978 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
1979 \ | |
1980 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
1981 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
1982 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
1983 \ | |
1984 JNI_ENTRY(ResultType, \ | |
1985 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
1986 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
1987 \ | |
1988 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
1989 ResultType ret;\ | |
1990 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
1991 (const ResultType&)ret);\ | |
1992 \ | |
1993 va_list args; \ | |
1994 va_start(args, methodID); \ | |
1995 JavaValue jvalue(Tag); \ | |
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1996 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1997 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1998 va_end(args); \ | |
1999 ret = jvalue.get_##ResultType(); \ | |
2000 return ret;\ | |
2001 JNI_END \ | |
2002 \ | |
2003 JNI_ENTRY(ResultType, \ | |
2004 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2005 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
2006 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
2007 ResultType ret;\ | |
2008 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2009 (const ResultType&)ret);\ | |
2010 \ | |
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 ret = jvalue.get_##ResultType(); \ | |
2015 return ret;\ | |
2016 JNI_END \ | |
2017 \ | |
2018 JNI_ENTRY(ResultType, \ | |
2019 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2020 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2021 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
2022 ResultType ret;\ | |
2023 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2024 (const ResultType&)ret);\ | |
2025 \ | |
2026 JavaValue jvalue(Tag); \ | |
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2027 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2028 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2029 ret = jvalue.get_##ResultType(); \ | |
2030 return ret;\ | |
2031 JNI_END | |
2032 | |
2033 // the runtime type of subword integral basic types is integer | |
2034 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2035 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
2036 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
2037 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
2038 | |
2039 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
2040 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
2041 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
2042 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
2043 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
2044 | |
2045 | |
2046 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
2047 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
2048 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
2049 | |
4006 | 2050 #else /* USDT2 */ |
2051 | |
2052 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
2053 , EntryProbe, ReturnProbe) \ | |
2054 \ | |
2055 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
2056 , ReturnProbe);\ | |
2057 \ | |
2058 JNI_ENTRY(ResultType, \ | |
2059 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
2060 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
2061 \ | |
2062 EntryProbe;\ | |
2063 ResultType ret;\ | |
2064 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
2065 (const ResultType&)ret);\ | |
2066 \ | |
2067 va_list args; \ | |
2068 va_start(args, methodID); \ | |
2069 JavaValue jvalue(Tag); \ | |
2070 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2071 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2072 va_end(args); \ | |
2073 ret = jvalue.get_##ResultType(); \ | |
2074 return ret;\ | |
2075 JNI_END | |
2076 | |
2077 // the runtime type of subword integral basic types is integer | |
2078 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
2079 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2080 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
2081 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
2082 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2083 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
2084 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
2085 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2086 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
2087 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
2088 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2089 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
2090 | |
2091 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
2092 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2093 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
2094 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
2095 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2096 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
2097 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
2098 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2099 // Float and double probes don't return value because dtrace doesn't currently support it | |
2100 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
2101 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
2102 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2103 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
2104 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
2105 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2106 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
2107 | |
2108 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
2109 , EntryProbe, ReturnProbe) \ | |
2110 \ | |
2111 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
2112 , ReturnProbe);\ | |
2113 \ | |
2114 JNI_ENTRY(ResultType, \ | |
2115 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2116 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
2117 \ | |
2118 EntryProbe;\ | |
2119 ResultType ret;\ | |
2120 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2121 (const ResultType&)ret);\ | |
2122 \ | |
2123 JavaValue jvalue(Tag); \ | |
2124 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2125 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2126 ret = jvalue.get_##ResultType(); \ | |
2127 return ret;\ | |
2128 JNI_END | |
2129 | |
2130 // the runtime type of subword integral basic types is integer | |
2131 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
2132 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2133 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
2134 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
2135 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2136 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
2137 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
2138 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2139 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
2140 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
2141 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2142 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
2143 | |
2144 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
2145 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2146 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
2147 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
2148 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2149 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
2150 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
2151 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2152 // Float and double probes don't return value because dtrace doesn't currently support it | |
2153 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
2154 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
2155 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2156 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
2157 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
2158 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2159 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
2160 | |
2161 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
2162 , EntryProbe, ReturnProbe) \ | |
2163 \ | |
2164 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
2165 , ReturnProbe);\ | |
2166 \ | |
2167 JNI_ENTRY(ResultType, \ | |
2168 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2169 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2170 \ | |
2171 EntryProbe;\ | |
2172 ResultType ret;\ | |
2173 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2174 (const ResultType&)ret);\ | |
2175 \ | |
2176 JavaValue jvalue(Tag); \ | |
2177 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2178 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2179 ret = jvalue.get_##ResultType(); \ | |
2180 return ret;\ | |
2181 JNI_END | |
2182 | |
2183 // the runtime type of subword integral basic types is integer | |
2184 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
2185 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2186 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
2187 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
2188 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2189 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
2190 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
2191 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2192 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
2193 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
2194 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2195 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
2196 | |
2197 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
2198 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2199 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
2200 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
2201 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2202 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
2203 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
2204 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2205 // Float and double probes don't return value because dtrace doesn't currently support it | |
2206 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
2207 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
2208 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2209 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
2210 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
2211 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2212 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
2213 | |
2214 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
2215 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
2216 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
2217 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
2218 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
2219 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
2220 #endif /* USDT2 */ | |
2221 | |
0 | 2222 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
2223 JNIWrapper("CallNonvirtualVoidMethod"); | |
2224 | |
4006 | 2225 #ifndef USDT2 |
0 | 2226 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
2227 env, obj, cls, methodID); | |
4006 | 2228 #else /* USDT2 */ |
2229 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
2230 env, obj, cls, (uintptr_t) methodID); | |
2231 #endif /* USDT2 */ | |
0 | 2232 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
2233 | |
2234 va_list args; | |
2235 va_start(args, methodID); | |
2236 JavaValue jvalue(T_VOID); | |
2177
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2237 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2238 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2239 va_end(args); | |
2240 JNI_END | |
2241 | |
2242 | |
2243 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
2244 JNIWrapper("CallNonvirtualVoidMethodV"); | |
2245 | |
4006 | 2246 #ifndef USDT2 |
0 | 2247 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
2248 env, obj, cls, methodID); | |
4006 | 2249 #else /* USDT2 */ |
2250 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
2251 env, obj, cls, (uintptr_t) methodID); | |
2252 #endif /* USDT2 */ | |
0 | 2253 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
2254 | |
2255 JavaValue jvalue(T_VOID); | |
2177
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2256 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2257 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2258 JNI_END | |
2259 | |
2260 | |
2261 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
2262 JNIWrapper("CallNonvirtualVoidMethodA"); | |
4006 | 2263 #ifndef USDT2 |
0 | 2264 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
2265 env, obj, cls, methodID); | |
4006 | 2266 #else /* USDT2 */ |
2267 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
2268 env, obj, cls, (uintptr_t) methodID); | |
2269 #endif /* USDT2 */ | |
0 | 2270 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
2271 JavaValue jvalue(T_VOID); | |
2177
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2272 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2273 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2274 JNI_END | |
2275 | |
2276 | |
4006 | 2277 #ifndef USDT2 |
0 | 2278 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
2279 \ | |
2280 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
2281 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
2282 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
2283 \ | |
2284 JNI_ENTRY(ResultType, \ | |
2285 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2286 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2287 \ | |
2288 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
2289 ResultType ret = 0;\ | |
2290 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2291 (const ResultType&)ret);\ | |
2292 \ | |
2293 va_list args; \ | |
2294 va_start(args, methodID); \ | |
2295 JavaValue jvalue(Tag); \ | |
2177
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|
2296 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2297 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2298 va_end(args); \ | |
2299 ret = jvalue.get_##ResultType(); \ | |
2300 return ret;\ | |
2301 JNI_END \ | |
2302 \ | |
2303 JNI_ENTRY(ResultType, \ | |
2304 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2305 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2306 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
2307 ResultType ret = 0;\ | |
2308 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2309 (const ResultType&)ret);\ | |
2310 \ | |
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 ret = jvalue.get_##ResultType(); \ | |
2315 return ret;\ | |
2316 JNI_END \ | |
2317 \ | |
2318 JNI_ENTRY(ResultType, \ | |
2319 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2320 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2321 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
2322 ResultType ret = 0;\ | |
2323 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2324 (const ResultType&)ret);\ | |
2325 \ | |
2326 JavaValue jvalue(Tag); \ | |
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|
2327 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2328 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2329 ret = jvalue.get_##ResultType(); \ | |
2330 return ret;\ | |
2331 JNI_END | |
2332 | |
2333 // the runtime type of subword integral basic types is integer | |
2334 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2335 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
2336 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
2337 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
2338 | |
2339 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
2340 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
2341 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
2342 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
2343 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
2344 | |
2345 | |
2346 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
2347 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
2348 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
2349 | |
4006 | 2350 #else /* USDT2 */ |
2351 | |
2352 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
2353 , EntryProbe, ResultProbe) \ | |
2354 \ | |
2355 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
2356 , ResultProbe); \ | |
2357 \ | |
2358 JNI_ENTRY(ResultType, \ | |
2359 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2360 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2361 \ | |
2362 EntryProbe; \ | |
2363 ResultType ret = 0;\ | |
2364 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2365 (const ResultType&)ret);\ | |
2366 \ | |
2367 va_list args; \ | |
2368 va_start(args, methodID); \ | |
2369 JavaValue jvalue(Tag); \ | |
2370 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2371 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2372 va_end(args); \ | |
2373 ret = jvalue.get_##ResultType(); \ | |
2374 return ret;\ | |
2375 JNI_END | |
2376 | |
2377 // the runtime type of subword integral basic types is integer | |
2378 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
2379 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2380 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
2381 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
2382 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2383 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
2384 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
2385 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2386 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
2387 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
2388 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2389 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
2390 | |
2391 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
2392 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2393 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
2394 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
2395 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2396 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
2397 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
2398 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2399 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
2400 // Float and double probes don't return value because dtrace doesn't currently support it | |
2401 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
2402 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2403 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
2404 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
2405 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2406 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
2407 | |
2408 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
2409 , EntryProbe, ResultProbe) \ | |
2410 \ | |
2411 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
2412 , ResultProbe); \ | |
2413 \ | |
2414 JNI_ENTRY(ResultType, \ | |
2415 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2416 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2417 \ | |
2418 EntryProbe; \ | |
2419 ResultType ret = 0;\ | |
2420 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2421 (const ResultType&)ret);\ | |
2422 \ | |
2423 JavaValue jvalue(Tag); \ | |
2424 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2425 /* Make sure class is initialized before trying to invoke its method */ \ | |
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|
2426 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
6983 | 2427 k()->initialize(CHECK_0); \ |
4006 | 2428 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2429 va_end(args); \ | |
2430 ret = jvalue.get_##ResultType(); \ | |
2431 return ret;\ | |
2432 JNI_END | |
2433 | |
2434 // the runtime type of subword integral basic types is integer | |
2435 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
2436 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2437 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
2438 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
2439 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2440 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
2441 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
2442 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2443 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
2444 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
2445 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2446 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
2447 | |
2448 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
2449 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2450 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
2451 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
2452 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2453 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
2454 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
2455 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2456 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
2457 // Float and double probes don't return value because dtrace doesn't currently support it | |
2458 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
2459 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2460 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
2461 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
2462 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2463 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
2464 | |
2465 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
2466 , EntryProbe, ResultProbe) \ | |
2467 \ | |
2468 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
2469 , ResultProbe); \ | |
2470 \ | |
2471 JNI_ENTRY(ResultType, \ | |
2472 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2473 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2474 \ | |
2475 EntryProbe; \ | |
2476 ResultType ret = 0;\ | |
2477 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2478 (const ResultType&)ret);\ | |
2479 \ | |
2480 JavaValue jvalue(Tag); \ | |
2481 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2482 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2483 ret = jvalue.get_##ResultType(); \ | |
2484 return ret;\ | |
2485 JNI_END | |
2486 | |
2487 // the runtime type of subword integral basic types is integer | |
2488 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
2489 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2490 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
2491 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
2492 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2493 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
2494 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
2495 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2496 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
2497 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
2498 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2499 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
2500 | |
2501 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
2502 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2503 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
2504 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
2505 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2506 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
2507 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
2508 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2509 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
2510 // Float and double probes don't return value because dtrace doesn't currently support it | |
2511 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
2512 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2513 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
2514 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
2515 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2516 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
2517 | |
2518 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
2519 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
2520 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
2521 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
2522 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
2523 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
2524 #endif /* USDT2 */ | |
2525 | |
0 | 2526 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
2527 JNIWrapper("CallStaticVoidMethod"); | |
4006 | 2528 #ifndef USDT2 |
0 | 2529 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
4006 | 2530 #else /* USDT2 */ |
2531 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
2532 env, cls, (uintptr_t) methodID); | |
2533 #endif /* USDT2 */ | |
0 | 2534 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
2535 | |
2536 va_list args; | |
2537 va_start(args, methodID); | |
2538 JavaValue jvalue(T_VOID); | |
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2539 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2540 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2541 va_end(args); | |
2542 JNI_END | |
2543 | |
2544 | |
2545 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
2546 JNIWrapper("CallStaticVoidMethodV"); | |
4006 | 2547 #ifndef USDT2 |
0 | 2548 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
4006 | 2549 #else /* USDT2 */ |
2550 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
2551 env, cls, (uintptr_t) methodID); | |
2552 #endif /* USDT2 */ | |
0 | 2553 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
2554 | |
2555 JavaValue jvalue(T_VOID); | |
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2556 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2557 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2558 JNI_END | |
2559 | |
2560 | |
2561 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
2562 JNIWrapper("CallStaticVoidMethodA"); | |
4006 | 2563 #ifndef USDT2 |
0 | 2564 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
4006 | 2565 #else /* USDT2 */ |
2566 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
2567 env, cls, (uintptr_t) methodID); | |
2568 #endif /* USDT2 */ | |
0 | 2569 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
2570 | |
2571 JavaValue jvalue(T_VOID); | |
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2572 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2573 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2574 JNI_END | |
2575 | |
2576 | |
2577 // | |
2578 // Accessing Fields | |
2579 // | |
2580 | |
2581 | |
4006 | 2582 #ifndef USDT2 |
0 | 2583 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
4006 | 2584 #else /* USDT2 */ |
2585 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
2586 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2587 #endif /* USDT2 */ | |
0 | 2588 |
2589 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
2590 const char *name, const char *sig)) | |
2591 JNIWrapper("GetFieldID"); | |
4006 | 2592 #ifndef USDT2 |
0 | 2593 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
4006 | 2594 #else /* USDT2 */ |
2595 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
2596 env, clazz, (char *) name, (char *) sig); | |
2597 #endif /* USDT2 */ | |
0 | 2598 jfieldID ret = 0; |
2599 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
2600 | |
2601 // The class should have been loaded (we have an instance of the class | |
2602 // passed in) so the field and signature should already be in the symbol | |
2603 // table. If they're not there, the field doesn't exist. | |
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2604 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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2605 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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2606 if (fieldname == NULL || signame == NULL) { |
0 | 2607 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2608 } | |
2609 KlassHandle k(THREAD, | |
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2610 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2611 // Make sure class is initialized before handing id's out to fields |
6983 | 2612 k()->initialize(CHECK_NULL); |
0 | 2613 |
2614 fieldDescriptor fd; | |
6983 | 2615 if (!k()->oop_is_instance() || |
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2616 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
0 | 2617 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2618 } | |
2619 | |
2620 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
2621 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
2622 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
2623 return ret; | |
2624 JNI_END | |
2625 | |
2626 | |
2627 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
2628 JNIWrapper("GetObjectField"); | |
4006 | 2629 #ifndef USDT2 |
0 | 2630 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
4006 | 2631 #else /* USDT2 */ |
2632 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
2633 env, obj, (uintptr_t) fieldID); | |
2634 #endif /* USDT2 */ | |
0 | 2635 oop o = JNIHandles::resolve_non_null(obj); |
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2636 Klass* k = o->klass(); |
0 | 2637 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2638 // Keep JVMTI addition small and only check enabled flag here. | |
2639 // jni_GetField_probe() assumes that is okay to create handles. | |
2640 if (JvmtiExport::should_post_field_access()) { | |
2641 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
2642 } | |
2643 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
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2644 #ifndef SERIALGC |
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2645 // If G1 is enabled and we are accessing the value of the referent |
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2646 // field in a reference object then we need to register a non-null |
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2647 // referent with the SATB barrier. |
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2648 if (UseG1GC) { |
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2649 bool needs_barrier = false; |
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2650 |
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2651 if (ret != NULL && |
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2652 offset == java_lang_ref_Reference::referent_offset && |
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2653 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
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2654 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
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2655 needs_barrier = true; |
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|
2656 } |
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|
2657 |
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|
2658 if (needs_barrier) { |
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2659 oop referent = JNIHandles::resolve(ret); |
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2660 G1SATBCardTableModRefBS::enqueue(referent); |
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2661 } |
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|
2662 } |
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2663 #endif // SERIALGC |
4006 | 2664 #ifndef USDT2 |
0 | 2665 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
4006 | 2666 #else /* USDT2 */ |
2667 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
2668 ret); | |
2669 #endif /* USDT2 */ | |
0 | 2670 return ret; |
2671 JNI_END | |
2672 | |
2673 | |
4006 | 2674 #ifndef USDT2 |
0 | 2675 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
2676 \ | |
2677 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
2678 \ | |
2679 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2680 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2681 \ | |
2682 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
2683 Return ret = 0;\ | |
2684 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2685 \ | |
2686 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2687 Klass* k = o->klass(); \ |
0 | 2688 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2689 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2690 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2691 /* and creates a ResetNoHandleMark. */ \ | |
2692 if (JvmtiExport::should_post_field_access()) { \ | |
2693 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2694 } \ | |
2695 ret = o->Fieldname##_field(offset); \ | |
2696 return ret; \ | |
2697 JNI_END | |
2698 | |
2699 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
2700 DEFINE_GETFIELD(jbyte, byte, Byte) | |
2701 DEFINE_GETFIELD(jchar, char, Char) | |
2702 DEFINE_GETFIELD(jshort, short, Short) | |
2703 DEFINE_GETFIELD(jint, int, Int) | |
2704 DEFINE_GETFIELD(jlong, long, Long) | |
2705 DEFINE_GETFIELD(jfloat, float, Float) | |
2706 DEFINE_GETFIELD(jdouble, double, Double) | |
2707 | |
4006 | 2708 #else /* USDT2 */ |
2709 | |
2710 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
2711 , EntryProbe, ReturnProbe) \ | |
2712 \ | |
2713 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
2714 , ReturnProbe); \ | |
2715 \ | |
2716 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2717 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2718 \ | |
2719 EntryProbe; \ | |
2720 Return ret = 0;\ | |
2721 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2722 \ | |
2723 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2724 Klass* k = o->klass(); \ |
4006 | 2725 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2726 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2727 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2728 /* and creates a ResetNoHandleMark. */ \ | |
2729 if (JvmtiExport::should_post_field_access()) { \ | |
2730 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2731 } \ | |
2732 ret = o->Fieldname##_field(offset); \ | |
2733 return ret; \ | |
2734 JNI_END | |
2735 | |
2736 DEFINE_GETFIELD(jboolean, bool, Boolean | |
2737 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2738 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
2739 DEFINE_GETFIELD(jbyte, byte, Byte | |
2740 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2741 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
2742 DEFINE_GETFIELD(jchar, char, Char | |
2743 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2744 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
2745 DEFINE_GETFIELD(jshort, short, Short | |
2746 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2747 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
2748 DEFINE_GETFIELD(jint, int, Int | |
2749 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2750 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
2751 DEFINE_GETFIELD(jlong, long, Long | |
2752 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2753 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
2754 // Float and double probes don't return value because dtrace doesn't currently support it | |
2755 DEFINE_GETFIELD(jfloat, float, Float | |
2756 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2757 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
2758 DEFINE_GETFIELD(jdouble, double, Double | |
2759 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2760 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
2761 #endif /* USDT2 */ | |
2762 | |
0 | 2763 address jni_GetBooleanField_addr() { |
2764 return (address)jni_GetBooleanField; | |
2765 } | |
2766 address jni_GetByteField_addr() { | |
2767 return (address)jni_GetByteField; | |
2768 } | |
2769 address jni_GetCharField_addr() { | |
2770 return (address)jni_GetCharField; | |
2771 } | |
2772 address jni_GetShortField_addr() { | |
2773 return (address)jni_GetShortField; | |
2774 } | |
2775 address jni_GetIntField_addr() { | |
2776 return (address)jni_GetIntField; | |
2777 } | |
2778 address jni_GetLongField_addr() { | |
2779 return (address)jni_GetLongField; | |
2780 } | |
2781 address jni_GetFloatField_addr() { | |
2782 return (address)jni_GetFloatField; | |
2783 } | |
2784 address jni_GetDoubleField_addr() { | |
2785 return (address)jni_GetDoubleField; | |
2786 } | |
2787 | |
2788 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
2789 JNIWrapper("SetObjectField"); | |
4006 | 2790 #ifndef USDT2 |
0 | 2791 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
4006 | 2792 #else /* USDT2 */ |
2793 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
2794 env, obj, (uintptr_t) fieldID, value); | |
2795 #endif /* USDT2 */ | |
0 | 2796 oop o = JNIHandles::resolve_non_null(obj); |
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2797 Klass* k = o->klass(); |
0 | 2798 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2799 // Keep JVMTI addition small and only check enabled flag here. | |
2800 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
2801 // and creates a ResetNoHandleMark. | |
2802 if (JvmtiExport::should_post_field_modification()) { | |
2803 jvalue field_value; | |
2804 field_value.l = value; | |
2805 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
2806 } | |
2807 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
4006 | 2808 #ifndef USDT2 |
0 | 2809 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
4006 | 2810 #else /* USDT2 */ |
2811 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
2812 ); | |
2813 #endif /* USDT2 */ | |
0 | 2814 JNI_END |
2815 | |
4006 | 2816 #ifndef USDT2 |
0 | 2817 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
2818 \ | |
2819 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2820 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2821 \ | |
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2822 FP_SELECT_##Result( \ |
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2823 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
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2824 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
0 | 2825 \ |
2826 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2827 Klass* k = o->klass(); \ |
0 | 2828 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2829 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2830 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2831 /* and creates a ResetNoHandleMark. */ \ | |
2832 if (JvmtiExport::should_post_field_modification()) { \ | |
2833 jvalue field_value; \ | |
2834 field_value.unionType = value; \ | |
2835 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2836 } \ | |
2837 o->Fieldname##_field_put(offset, value); \ | |
2838 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
2839 JNI_END | |
2840 | |
2841 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
2842 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
2843 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
2844 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
2845 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
2846 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
2847 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
2848 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
2849 | |
4006 | 2850 #else /* USDT2 */ |
2851 | |
2852 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
2853 , EntryProbe, ReturnProbe) \ | |
2854 \ | |
2855 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2856 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2857 \ | |
2858 EntryProbe; \ | |
2859 \ | |
2860 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2861 Klass* k = o->klass(); \ |
4006 | 2862 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2863 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2864 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2865 /* and creates a ResetNoHandleMark. */ \ | |
2866 if (JvmtiExport::should_post_field_modification()) { \ | |
2867 jvalue field_value; \ | |
2868 field_value.unionType = value; \ | |
2869 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2870 } \ | |
2871 o->Fieldname##_field_put(offset, value); \ | |
2872 ReturnProbe; \ | |
2873 JNI_END | |
2874 | |
2875 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
2876 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2877 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
2878 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
2879 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2880 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
2881 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
2882 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2883 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
2884 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
2885 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2886 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
2887 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
2888 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2889 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
2890 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
2891 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2892 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
2893 // Float and double probes don't return value because dtrace doesn't currently support it | |
2894 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
2895 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2896 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
2897 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
2898 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2899 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
2900 #endif /* USDT2 */ | |
2901 | |
2902 #ifndef USDT2 | |
0 | 2903 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
4006 | 2904 #else /* USDT2 */ |
2905 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
2906 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
2907 #endif /* USDT2 */ | |
0 | 2908 |
2909 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
2910 JNIWrapper("ToReflectedField"); | |
4006 | 2911 #ifndef USDT2 |
0 | 2912 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
2913 env, cls, fieldID, isStatic); | |
4006 | 2914 #else /* USDT2 */ |
2915 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
2916 env, cls, (uintptr_t) fieldID, isStatic); | |
2917 #endif /* USDT2 */ | |
0 | 2918 jobject ret = NULL; |
2919 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
2920 | |
2921 fieldDescriptor fd; | |
2922 bool found = false; | |
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2923 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
0 | 2924 |
2925 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
2926 | |
2927 if (isStatic) { | |
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2928 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
0 | 2929 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2930 assert(id->is_static_field_id(), "invalid static field id"); | |
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2931 found = id->find_local_field(&fd); |
0 | 2932 } else { |
2933 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
2934 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
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2935 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
0 | 2936 } |
2937 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
2938 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
2939 ret = JNIHandles::make_local(env, reflected); | |
2940 return ret; | |
2941 JNI_END | |
2942 | |
2943 | |
2944 // | |
2945 // Accessing Static Fields | |
2946 // | |
4006 | 2947 #ifndef USDT2 |
0 | 2948 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
4006 | 2949 #else /* USDT2 */ |
2950 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
2951 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2952 #endif /* USDT2 */ | |
0 | 2953 |
2954 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
2955 const char *name, const char *sig)) | |
2956 JNIWrapper("GetStaticFieldID"); | |
4006 | 2957 #ifndef USDT2 |
0 | 2958 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
4006 | 2959 #else /* USDT2 */ |
2960 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
2961 env, clazz, (char *) name, (char *) sig); | |
2962 #endif /* USDT2 */ | |
0 | 2963 jfieldID ret = NULL; |
2964 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
2965 | |
2966 // The class should have been loaded (we have an instance of the class | |
2967 // passed in) so the field and signature should already be in the symbol | |
2968 // table. If they're not there, the field doesn't exist. | |
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diff
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|
2969 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
3582bf76420e
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|
2970 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
3582bf76420e
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|
2971 if (fieldname == NULL || signame == NULL) { |
0 | 2972 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2973 } | |
2974 KlassHandle k(THREAD, | |
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2975 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2976 // Make sure class is initialized before handing id's out to static fields |
6983 | 2977 k()->initialize(CHECK_NULL); |
0 | 2978 |
2979 fieldDescriptor fd; | |
6983 | 2980 if (!k()->oop_is_instance() || |
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2981 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
0 | 2982 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2983 } | |
2984 | |
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2985 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
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6856
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changeset
|
2986 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
0 | 2987 debug_only(id->set_is_static_field_id();) |
2988 | |
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|
2989 debug_only(id->verify(fd.field_holder())); |
0 | 2990 |
2991 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
2992 return ret; | |
2993 JNI_END | |
2994 | |
2995 | |
2996 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
2997 JNIWrapper("GetStaticObjectField"); | |
4006 | 2998 #ifndef USDT2 |
0 | 2999 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
4006 | 3000 #else /* USDT2 */ |
3001 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
3002 env, clazz, (uintptr_t) fieldID); | |
3003 #endif /* USDT2 */ | |
6854
fb19af007ffc
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jprovino
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|
3004 #if INCLUDE_JNI_CHECK |
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3005 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
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|
3006 #endif // INCLUDE_JNI_CHECK |
0 | 3007 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
3008 assert(id->is_static_field_id(), "invalid static field id"); | |
3009 // Keep JVMTI addition small and only check enabled flag here. | |
3010 // jni_GetField_probe() assumes that is okay to create handles. | |
3011 if (JvmtiExport::should_post_field_access()) { | |
3012 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
3013 } | |
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|
3014 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
4006 | 3015 #ifndef USDT2 |
0 | 3016 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
4006 | 3017 #else /* USDT2 */ |
3018 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
3019 ret); | |
3020 #endif /* USDT2 */ | |
0 | 3021 return ret; |
3022 JNI_END | |
3023 | |
4006 | 3024 #ifndef USDT2 |
0 | 3025 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
3026 \ | |
3027 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
3028 \ | |
3029 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3030 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3031 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
3032 Return ret = 0;\ | |
3033 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3034 (const Return&)ret);\ | |
3035 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3036 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3037 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3038 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3039 if (JvmtiExport::should_post_field_access()) { \ | |
3040 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3041 } \ | |
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|
3042 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
0 | 3043 return ret;\ |
3044 JNI_END | |
3045 | |
3046 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
3047 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
3048 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
3049 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
3050 DEFINE_GETSTATICFIELD(jint, int, Int) | |
3051 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
3052 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
3053 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
3054 | |
4006 | 3055 #else /* USDT2 */ |
3056 | |
3057 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
3058 , EntryProbe, ReturnProbe) \ | |
3059 \ | |
3060 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
3061 , ReturnProbe); \ | |
3062 \ | |
3063 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3064 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3065 EntryProbe; \ | |
3066 Return ret = 0;\ | |
3067 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3068 (const Return&)ret);\ | |
3069 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3070 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3071 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3072 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3073 if (JvmtiExport::should_post_field_access()) { \ | |
3074 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3075 } \ | |
3076 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
3077 return ret;\ | |
3078 JNI_END | |
3079 | |
3080 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
3081 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
3082 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
3083 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
3084 DEFINE_GETSTATICFIELD(jchar, char, Char | |
3085 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
3086 DEFINE_GETSTATICFIELD(jshort, short, Short | |
3087 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
3088 DEFINE_GETSTATICFIELD(jint, int, Int | |
3089 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
3090 DEFINE_GETSTATICFIELD(jlong, long, Long | |
3091 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
3092 // Float and double probes don't return value because dtrace doesn't currently support it | |
3093 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
3094 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
3095 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
3096 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
3097 #endif /* USDT2 */ | |
0 | 3098 |
3099 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
3100 JNIWrapper("SetStaticObjectField"); | |
4006 | 3101 #ifndef USDT2 |
0 | 3102 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
4006 | 3103 #else /* USDT2 */ |
3104 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
3105 env, clazz, (uintptr_t) fieldID, value); | |
3106 #endif /* USDT2 */ | |
0 | 3107 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
3108 assert(id->is_static_field_id(), "invalid static field id"); | |
3109 // Keep JVMTI addition small and only check enabled flag here. | |
3110 // jni_SetField_probe() assumes that is okay to create handles. | |
3111 if (JvmtiExport::should_post_field_modification()) { | |
3112 jvalue field_value; | |
3113 field_value.l = value; | |
3114 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
3115 } | |
2376
c7f3d0b4570f
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diff
changeset
|
3116 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
4006 | 3117 #ifndef USDT2 |
0 | 3118 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
4006 | 3119 #else /* USDT2 */ |
3120 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
3121 ); | |
3122 #endif /* USDT2 */ | |
0 | 3123 JNI_END |
3124 | |
3125 | |
4006 | 3126 #ifndef USDT2 |
0 | 3127 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
3128 \ | |
3129 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3130 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
6837
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coleenp
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6831
diff
changeset
|
3131 FP_SELECT_##Result( \ |
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
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6831
diff
changeset
|
3132 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
|
3133 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
0 | 3134 \ |
3135 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3136 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3137 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3138 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3139 if (JvmtiExport::should_post_field_modification()) { \ | |
3140 jvalue field_value; \ | |
3141 field_value.unionType = value; \ | |
3142 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3143 } \ | |
2376
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parents:
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diff
changeset
|
3144 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
0 | 3145 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
3146 JNI_END | |
3147 | |
3148 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
3149 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
3150 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
3151 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
3152 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
3153 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
3154 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
3155 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
3156 | |
4006 | 3157 #else /* USDT2 */ |
3158 | |
3159 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
3160 , EntryProbe, ReturnProbe) \ | |
3161 \ | |
3162 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3163 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3164 EntryProbe; \ | |
3165 \ | |
3166 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3167 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3168 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3169 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3170 if (JvmtiExport::should_post_field_modification()) { \ | |
3171 jvalue field_value; \ | |
3172 field_value.unionType = value; \ | |
3173 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3174 } \ | |
3175 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
3176 ReturnProbe;\ | |
3177 JNI_END | |
3178 | |
3179 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
3180 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
3181 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
3182 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
3183 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3184 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
3185 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
3186 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3187 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
3188 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
3189 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3190 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
3191 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
3192 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3193 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
3194 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
3195 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3196 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
3197 // Float and double probes don't return value because dtrace doesn't currently support it | |
3198 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
3199 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3200 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
3201 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
3202 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3203 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
3204 #endif /* USDT2 */ | |
0 | 3205 |
3206 // | |
3207 // String Operations | |
3208 // | |
3209 | |
3210 // Unicode Interface | |
3211 | |
4006 | 3212 #ifndef USDT2 |
0 | 3213 DT_RETURN_MARK_DECL(NewString, jstring); |
4006 | 3214 #else /* USDT2 */ |
3215 DT_RETURN_MARK_DECL(NewString, jstring | |
3216 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
3217 #endif /* USDT2 */ | |
0 | 3218 |
3219 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
3220 JNIWrapper("NewString"); | |
4006 | 3221 #ifndef USDT2 |
0 | 3222 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
4006 | 3223 #else /* USDT2 */ |
3224 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
3225 env, (uint16_t *) unicodeChars, len); | |
3226 #endif /* USDT2 */ | |
0 | 3227 jstring ret = NULL; |
3228 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
3229 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
3230 ret = (jstring) JNIHandles::make_local(env, string); | |
3231 return ret; | |
3232 JNI_END | |
3233 | |
3234 | |
3235 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
3236 JNIWrapper("GetStringLength"); | |
4006 | 3237 #ifndef USDT2 |
0 | 3238 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
4006 | 3239 #else /* USDT2 */ |
3240 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
3241 env, string); | |
3242 #endif /* USDT2 */ | |
0 | 3243 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
4006 | 3244 #ifndef USDT2 |
0 | 3245 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
4006 | 3246 #else /* USDT2 */ |
3247 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
3248 ret); | |
3249 #endif /* USDT2 */ | |
0 | 3250 return ret; |
3251 JNI_END | |
3252 | |
3253 | |
3254 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
3255 JNIEnv *env, jstring string, jboolean *isCopy)) | |
3256 JNIWrapper("GetStringChars"); | |
4006 | 3257 #ifndef USDT2 |
0 | 3258 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
4006 | 3259 #else /* USDT2 */ |
3260 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
3261 env, string, (uintptr_t *) isCopy); | |
3262 #endif /* USDT2 */ | |
0 | 3263 //%note jni_5 |
3264 if (isCopy != NULL) { | |
3265 *isCopy = JNI_TRUE; | |
3266 } | |
3267 oop s = JNIHandles::resolve_non_null(string); | |
3268 int s_len = java_lang_String::length(s); | |
3269 typeArrayOop s_value = java_lang_String::value(s); | |
3270 int s_offset = java_lang_String::offset(s); | |
6197 | 3271 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1, mtInternal); // add one for zero termination |
0 | 3272 if (s_len > 0) { |
3273 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
3274 } | |
3275 buf[s_len] = 0; | |
4006 | 3276 #ifndef USDT2 |
0 | 3277 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
4006 | 3278 #else /* USDT2 */ |
3279 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
3280 buf); | |
3281 #endif /* USDT2 */ | |
0 | 3282 return buf; |
3283 JNI_END | |
3284 | |
3285 | |
3286 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
3287 JNIWrapper("ReleaseStringChars"); | |
4006 | 3288 #ifndef USDT2 |
0 | 3289 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
4006 | 3290 #else /* USDT2 */ |
3291 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
3292 env, str, (uint16_t *) chars); | |
3293 #endif /* USDT2 */ | |
0 | 3294 //%note jni_6 |
3295 if (chars != NULL) { | |
3296 // Since String objects are supposed to be immutable, don't copy any | |
3297 // new data back. A bad user will have to go after the char array. | |
3298 FreeHeap((void*) chars); | |
3299 } | |
4006 | 3300 #ifndef USDT2 |
0 | 3301 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
4006 | 3302 #else /* USDT2 */ |
3303 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
3304 ); | |
3305 #endif /* USDT2 */ | |
0 | 3306 JNI_END |
3307 | |
3308 | |
3309 // UTF Interface | |
3310 | |
4006 | 3311 #ifndef USDT2 |
0 | 3312 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
4006 | 3313 #else /* USDT2 */ |
3314 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
3315 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
3316 #endif /* USDT2 */ | |
0 | 3317 |
3318 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
3319 JNIWrapper("NewStringUTF"); | |
4006 | 3320 #ifndef USDT2 |
0 | 3321 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
4006 | 3322 #else /* USDT2 */ |
3323 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
3324 env, (char *) bytes); | |
3325 #endif /* USDT2 */ | |
0 | 3326 jstring ret; |
3327 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
3328 | |
3329 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
3330 ret = (jstring) JNIHandles::make_local(env, result); | |
3331 return ret; | |
3332 JNI_END | |
3333 | |
3334 | |
3335 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
3336 JNIWrapper("GetStringUTFLength"); | |
4006 | 3337 #ifndef USDT2 |
0 | 3338 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
4006 | 3339 #else /* USDT2 */ |
3340 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
3341 env, string); | |
3342 #endif /* USDT2 */ | |
0 | 3343 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
4006 | 3344 #ifndef USDT2 |
0 | 3345 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
4006 | 3346 #else /* USDT2 */ |
3347 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
3348 ret); | |
3349 #endif /* USDT2 */ | |
0 | 3350 return ret; |
3351 JNI_END | |
3352 | |
3353 | |
3354 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
3355 JNIWrapper("GetStringUTFChars"); | |
4006 | 3356 #ifndef USDT2 |
0 | 3357 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
4006 | 3358 #else /* USDT2 */ |
3359 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
3360 env, string, (uintptr_t *) isCopy); | |
3361 #endif /* USDT2 */ | |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3362 oop java_string = JNIHandles::resolve_non_null(string); |
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3363 size_t length = java_lang_String::utf8_length(java_string); |
6197 | 3364 char* result = AllocateHeap(length + 1, mtInternal); |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3365 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
0 | 3366 if (isCopy != NULL) *isCopy = JNI_TRUE; |
4006 | 3367 #ifndef USDT2 |
0 | 3368 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
4006 | 3369 #else /* USDT2 */ |
3370 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
3371 result); | |
3372 #endif /* USDT2 */ | |
0 | 3373 return result; |
3374 JNI_END | |
3375 | |
3376 | |
3377 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
3378 JNIWrapper("ReleaseStringUTFChars"); | |
4006 | 3379 #ifndef USDT2 |
0 | 3380 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
4006 | 3381 #else /* USDT2 */ |
3382 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
3383 env, str, (char *) chars); | |
3384 #endif /* USDT2 */ | |
0 | 3385 if (chars != NULL) { |
3386 FreeHeap((char*) chars); | |
3387 } | |
4006 | 3388 #ifndef USDT2 |
0 | 3389 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
4006 | 3390 #else /* USDT2 */ |
3391 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
3392 ); | |
3393 #endif /* USDT2 */ | |
0 | 3394 JNI_END |
3395 | |
3396 | |
3397 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
3398 JNIWrapper("GetArrayLength"); | |
4006 | 3399 #ifndef USDT2 |
0 | 3400 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
4006 | 3401 #else /* USDT2 */ |
3402 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
3403 env, array); | |
3404 #endif /* USDT2 */ | |
0 | 3405 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
3406 assert(a->is_array(), "must be array"); | |
3407 jsize ret = a->length(); | |
4006 | 3408 #ifndef USDT2 |
0 | 3409 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
4006 | 3410 #else /* USDT2 */ |
3411 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
3412 ret); | |
3413 #endif /* USDT2 */ | |
0 | 3414 return ret; |
3415 JNI_END | |
3416 | |
3417 | |
3418 // | |
3419 // Object Array Operations | |
3420 // | |
3421 | |
4006 | 3422 #ifndef USDT2 |
0 | 3423 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
4006 | 3424 #else /* USDT2 */ |
3425 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
3426 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
3427 #endif /* USDT2 */ | |
0 | 3428 |
3429 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
3430 JNIWrapper("NewObjectArray"); | |
4006 | 3431 #ifndef USDT2 |
0 | 3432 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
4006 | 3433 #else /* USDT2 */ |
3434 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
3435 env, length, elementClass, initialElement); | |
3436 #endif /* USDT2 */ | |
0 | 3437 jobjectArray ret = NULL; |
3438 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
|
3439 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
6983 | 3440 Klass* ako = ek()->array_klass(CHECK_NULL); |
0 | 3441 KlassHandle ak = KlassHandle(THREAD, ako); |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3442 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3443 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
0 | 3444 oop initial_value = JNIHandles::resolve(initialElement); |
3445 if (initial_value != NULL) { // array already initialized with NULL | |
3446 for (int index = 0; index < length; index++) { | |
3447 result->obj_at_put(index, initial_value); | |
3448 } | |
3449 } | |
3450 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
3451 return ret; | |
3452 JNI_END | |
3453 | |
4006 | 3454 #ifndef USDT2 |
0 | 3455 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
4006 | 3456 #else /* USDT2 */ |
3457 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
3458 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
3459 #endif /* USDT2 */ | |
0 | 3460 |
3461 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
3462 JNIWrapper("GetObjectArrayElement"); | |
4006 | 3463 #ifndef USDT2 |
0 | 3464 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
4006 | 3465 #else /* USDT2 */ |
3466 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
3467 env, array, index); | |
3468 #endif /* USDT2 */ | |
0 | 3469 jobject ret = NULL; |
3470 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
3471 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3472 if (a->is_within_bounds(index)) { | |
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3473 ret = JNIHandles::make_local(env, a->obj_at(index)); |
0 | 3474 return ret; |
3475 } else { | |
3476 char buf[jintAsStringSize]; | |
3477 sprintf(buf, "%d", index); | |
3478 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3479 } | |
3480 JNI_END | |
3481 | |
4006 | 3482 #ifndef USDT2 |
0 | 3483 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
4006 | 3484 #else /* USDT2 */ |
3485 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
3486 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
3487 #endif /* USDT2 */ | |
0 | 3488 |
3489 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
3490 JNIWrapper("SetObjectArrayElement"); | |
4006 | 3491 #ifndef USDT2 |
0 | 3492 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
4006 | 3493 #else /* USDT2 */ |
3494 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
3495 env, array, index, value); | |
3496 #endif /* USDT2 */ | |
0 | 3497 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
3498 | |
3499 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3500 oop v = JNIHandles::resolve(value); | |
3501 if (a->is_within_bounds(index)) { | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3502 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
0 | 3503 a->obj_at_put(index, v); |
3504 } else { | |
3505 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
3506 } | |
3507 } else { | |
3508 char buf[jintAsStringSize]; | |
3509 sprintf(buf, "%d", index); | |
3510 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3511 } | |
3512 JNI_END | |
3513 | |
3514 | |
4006 | 3515 #ifndef USDT2 |
0 | 3516 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
3517 \ | |
4006 | 3518 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
0 | 3519 \ |
3520 JNI_ENTRY(Return, \ | |
3521 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3522 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3523 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
3524 Return ret = NULL;\ | |
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3525 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
0 | 3526 \ |
3527 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3528 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3529 return ret;\ | |
3530 JNI_END | |
3531 | |
3532 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
3533 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
3534 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
3535 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
3536 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
3537 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
3538 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
3539 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
3540 | |
4006 | 3541 #else /* USDT2 */ |
3542 | |
3543 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
3544 ,EntryProbe,ReturnProbe) \ | |
3545 \ | |
3546 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
3547 , ReturnProbe); \ | |
3548 \ | |
3549 JNI_ENTRY(Return, \ | |
3550 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3551 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3552 EntryProbe; \ | |
3553 Return ret = NULL;\ | |
3554 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
3555 \ | |
3556 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3557 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3558 return ret;\ | |
3559 JNI_END | |
3560 | |
3561 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
3562 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
3563 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
3564 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
3565 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
3566 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
3567 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
3568 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
3569 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
3570 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
3571 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
3572 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
3573 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
3574 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
3575 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
3576 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
3577 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
3578 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
3579 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
3580 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
3581 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
3582 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
3583 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
3584 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
3585 #endif /* USDT2 */ | |
0 | 3586 |
3587 // Return an address which will fault if the caller writes to it. | |
3588 | |
3589 static char* get_bad_address() { | |
3590 static char* bad_address = NULL; | |
3591 if (bad_address == NULL) { | |
3592 size_t size = os::vm_allocation_granularity(); | |
3593 bad_address = os::reserve_memory(size); | |
3594 if (bad_address != NULL) { | |
477
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
237
diff
changeset
|
3595 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
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237
diff
changeset
|
3596 /*is_committed*/false); |
0 | 3597 } |
3598 } | |
3599 return bad_address; | |
3600 } | |
3601 | |
3602 | |
4006 | 3603 #ifndef USDT2 |
0 | 3604 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
3605 \ | |
3606 JNI_QUICK_ENTRY(ElementType*, \ | |
3607 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3608 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3609 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
3610 /* allocate an chunk of memory in c land */ \ | |
3611 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3612 ElementType* result; \ | |
3613 int len = a->length(); \ | |
3614 if (len == 0) { \ | |
3615 /* Empty array: legal but useless, can't return NULL. \ | |
3616 * Return a pointer to something useless. \ | |
3617 * Avoid asserts in typeArrayOop. */ \ | |
3618 result = (ElementType*)get_bad_address(); \ | |
3619 } else { \ | |
6197 | 3620 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
0 | 3621 /* copy the array to the c chunk */ \ |
3622 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3623 } \ | |
3624 if (isCopy) *isCopy = JNI_TRUE; \ | |
3625 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
3626 return result; \ | |
3627 JNI_END | |
3628 | |
3629 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3630 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3631 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3632 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3633 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3634 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3635 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3636 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3637 | |
4006 | 3638 #else /* USDT2 */ |
3639 | |
3640 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
3641 , EntryProbe, ReturnProbe) \ | |
3642 \ | |
3643 JNI_QUICK_ENTRY(ElementType*, \ | |
3644 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3645 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3646 EntryProbe; \ | |
3647 /* allocate an chunk of memory in c land */ \ | |
3648 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3649 ElementType* result; \ | |
3650 int len = a->length(); \ | |
3651 if (len == 0) { \ | |
3652 /* Empty array: legal but useless, can't return NULL. \ | |
3653 * Return a pointer to something useless. \ | |
3654 * Avoid asserts in typeArrayOop. */ \ | |
3655 result = (ElementType*)get_bad_address(); \ | |
3656 } else { \ | |
6197 | 3657 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
4006 | 3658 /* copy the array to the c chunk */ \ |
3659 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3660 } \ | |
3661 if (isCopy) *isCopy = JNI_TRUE; \ | |
3662 ReturnProbe; \ | |
3663 return result; \ | |
3664 JNI_END | |
3665 | |
3666 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3667 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3668 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
3669 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3670 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3671 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
3672 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3673 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3674 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
3675 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3676 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3677 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
3678 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3679 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3680 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
3681 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3682 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3683 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
3684 // Float and double probes don't return value because dtrace doesn't currently support it | |
3685 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3686 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3687 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
3688 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3689 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3690 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
3691 #endif /* USDT2 */ | |
3692 | |
3693 #ifndef USDT2 | |
0 | 3694 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
3695 \ | |
3696 JNI_QUICK_ENTRY(void, \ | |
3697 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3698 ElementType *buf, jint mode)) \ | |
3699 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3700 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
3701 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3702 int len = a->length(); \ | |
3703 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3704 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3705 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3706 } \ | |
3707 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3708 FreeHeap(buf); \ | |
3709 } \ | |
3710 } \ | |
3711 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
3712 JNI_END | |
3713 | |
3714 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3721 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3722 | |
4006 | 3723 #else /* USDT2 */ |
3724 | |
3725 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
3726 , EntryProbe, ReturnProbe);\ | |
3727 \ | |
3728 JNI_QUICK_ENTRY(void, \ | |
3729 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3730 ElementType *buf, jint mode)) \ | |
3731 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3732 EntryProbe; \ | |
3733 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3734 int len = a->length(); \ | |
3735 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3736 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3737 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3738 } \ | |
3739 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3740 FreeHeap(buf); \ | |
3741 } \ | |
3742 } \ | |
3743 ReturnProbe; \ | |
3744 JNI_END | |
3745 | |
3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3747 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3748 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3750 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
3751 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
3752 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3753 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3754 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
3755 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3756 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3757 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
3758 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3759 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
3760 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
3761 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3762 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3763 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
3764 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3765 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
3766 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
3767 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3768 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
3769 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
3770 #endif /* USDT2 */ | |
3771 | |
3772 #ifndef USDT2 | |
0 | 3773 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3774 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
3775 \ | |
3776 JNI_ENTRY(void, \ | |
3777 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3778 jsize len, ElementType *buf)) \ | |
3779 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3780 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3781 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3782 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3783 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3784 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3785 } else { \ | |
3786 if (len > 0) { \ | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3787 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
0 | 3788 memcpy((u_char*) buf, \ |
3789 (u_char*) src->Tag##_at_addr(start), \ | |
3790 len << sc); \ | |
3791 } \ | |
3792 } \ | |
3793 JNI_END | |
3794 | |
3795 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
3796 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3797 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3798 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3799 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3800 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3801 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3802 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3803 | |
4006 | 3804 #else /* USDT2 */ |
3805 | |
3806 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3807 , EntryProbe, ReturnProbe); \ | |
3808 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
3809 , ReturnProbe); \ | |
3810 \ | |
3811 JNI_ENTRY(void, \ | |
3812 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3813 jsize len, ElementType *buf)) \ | |
3814 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3815 EntryProbe; \ | |
3816 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3817 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3818 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3819 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3820 } else { \ | |
3821 if (len > 0) { \ | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3822 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
4006 | 3823 memcpy((u_char*) buf, \ |
3824 (u_char*) src->Tag##_at_addr(start), \ | |
3825 len << sc); \ | |
3826 } \ | |
3827 } \ | |
3828 JNI_END | |
3829 | |
3830 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
3831 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3832 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
3833 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3834 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3835 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
3836 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3837 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3838 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
3839 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3840 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
3841 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
3842 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
3843 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
3844 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
3845 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3846 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3847 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
3848 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3849 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3850 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
3851 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3852 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3853 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
3854 #endif /* USDT2 */ | |
3855 | |
3856 #ifndef USDT2 | |
0 | 3857 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3858 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
3859 \ | |
3860 JNI_ENTRY(void, \ | |
3861 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3862 jsize len, const ElementType *buf)) \ | |
3863 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3864 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3865 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3866 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3867 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3868 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3869 } else { \ | |
3870 if (len > 0) { \ | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3871 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
0 | 3872 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3873 (u_char*) buf, \ | |
3874 len << sc); \ | |
3875 } \ | |
3876 } \ | |
3877 JNI_END | |
3878 | |
3879 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
3880 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3881 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3882 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3883 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3884 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3885 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3886 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3887 | |
4006 | 3888 #else /* USDT2 */ |
3889 | |
3890 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3891 , EntryProbe, ReturnProbe); \ | |
3892 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
3893 ,ReturnProbe); \ | |
3894 \ | |
3895 JNI_ENTRY(void, \ | |
3896 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3897 jsize len, const ElementType *buf)) \ | |
3898 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3899 EntryProbe; \ | |
3900 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3901 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3902 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3903 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3904 } else { \ | |
3905 if (len > 0) { \ | |
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3906 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
4006 | 3907 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3908 (u_char*) buf, \ | |
3909 len << sc); \ | |
3910 } \ | |
3911 } \ | |
3912 JNI_END | |
3913 | |
3914 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
3915 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
3916 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
3917 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3918 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3919 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
3920 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3921 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3922 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
3923 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3924 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3925 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
3926 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
3927 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
3928 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
3929 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3930 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3931 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
3932 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3933 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3934 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
3935 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3936 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3937 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
3938 #endif /* USDT2 */ | |
3939 | |
0 | 3940 |
3941 // | |
3942 // Interception of natives | |
3943 // | |
3944 | |
3945 // The RegisterNatives call being attempted tried to register with a method that | |
3946 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
3947 // to see if the native method is now wrapped with the prefixes. See the | |
3948 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
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3949 static Method* find_prefixed_native(KlassHandle k, |
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3950 Symbol* name, Symbol* signature, TRAPS) { |
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3951 #if INCLUDE_JVMTI |
0 | 3952 ResourceMark rm(THREAD); |
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3953 Method* method; |
0 | 3954 int name_len = name->utf8_length(); |
3955 char* name_str = name->as_utf8(); | |
3956 int prefix_count; | |
3957 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
3958 for (int i = 0; i < prefix_count; i++) { | |
3959 char* prefix = prefixes[i]; | |
3960 int prefix_len = (int)strlen(prefix); | |
3961 | |
3962 // try adding this prefix to the method name and see if it matches another method name | |
3963 int trial_len = name_len + prefix_len; | |
3964 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
3965 strcpy(trial_name_str, prefix); | |
3966 strcat(trial_name_str, name_str); | |
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3967 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
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3968 if (trial_name == NULL) { |
0 | 3969 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
3970 } | |
6983 | 3971 method = k()->lookup_method(trial_name, signature); |
0 | 3972 if (method == NULL) { |
3973 continue; // signature doesn't match, try the next prefix | |
3974 } | |
3975 if (method->is_native()) { | |
3976 method->set_is_prefixed_native(); | |
3977 return method; // wahoo, we found a prefixed version of the method, return it | |
3978 } | |
3979 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
3980 name_len = trial_len; | |
3981 name_str = trial_name_str; | |
3982 } | |
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3983 #endif // INCLUDE_JVMTI |
0 | 3984 return NULL; // not found |
3985 } | |
3986 | |
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3987 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
6983 | 3988 Method* method = k()->lookup_method(name, signature); |
0 | 3989 if (method == NULL) { |
3990 ResourceMark rm; | |
3991 stringStream st; | |
3992 st.print("Method %s name or signature does not match", | |
6983 | 3993 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 3994 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
3995 } | |
3996 if (!method->is_native()) { | |
3997 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
3998 method = find_prefixed_native(k, name, signature, THREAD); | |
3999 if (method == NULL) { | |
4000 ResourceMark rm; | |
4001 stringStream st; | |
4002 st.print("Method %s is not declared as native", | |
6983 | 4003 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 4004 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
4005 } | |
4006 } | |
4007 | |
4008 if (entry != NULL) { | |
4009 method->set_native_function(entry, | |
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4010 Method::native_bind_event_is_interesting); |
0 | 4011 } else { |
4012 method->clear_native_function(); | |
4013 } | |
4014 if (PrintJNIResolving) { | |
4015 ResourceMark rm(THREAD); | |
4016 tty->print_cr("[Registering JNI native method %s.%s]", | |
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4017 method->method_holder()->external_name(), |
0 | 4018 method->name()->as_C_string()); |
4019 } | |
4020 return true; | |
4021 } | |
4022 | |
4006 | 4023 #ifndef USDT2 |
0 | 4024 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
4006 | 4025 #else /* USDT2 */ |
4026 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
4027 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
4028 #endif /* USDT2 */ | |
0 | 4029 |
4030 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
4031 const JNINativeMethod *methods, | |
4032 jint nMethods)) | |
4033 JNIWrapper("RegisterNatives"); | |
4006 | 4034 #ifndef USDT2 |
0 | 4035 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
4006 | 4036 #else /* USDT2 */ |
4037 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
4038 env, clazz, (void *) methods, nMethods); | |
4039 #endif /* USDT2 */ | |
0 | 4040 jint ret = 0; |
4041 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
4042 | |
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4043 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 4044 |
4045 for (int index = 0; index < nMethods; index++) { | |
4046 const char* meth_name = methods[index].name; | |
4047 const char* meth_sig = methods[index].signature; | |
4048 int meth_name_len = (int)strlen(meth_name); | |
4049 | |
4050 // The class should have been loaded (we have an instance of the class | |
4051 // passed in) so the method and signature should already be in the symbol | |
4052 // table. If they're not there, the method doesn't exist. | |
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4053 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
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4054 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
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|
4055 |
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|
4056 if (name == NULL || signature == NULL) { |
0 | 4057 ResourceMark rm; |
4058 stringStream st; | |
6983 | 4059 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
0 | 4060 // Must return negative value on failure |
4061 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
4062 } | |
4063 | |
4064 bool res = register_native(h_k, name, signature, | |
4065 (address) methods[index].fnPtr, THREAD); | |
4066 if (!res) { | |
4067 ret = -1; | |
4068 break; | |
4069 } | |
4070 } | |
4071 return ret; | |
4072 JNI_END | |
4073 | |
4074 | |
4075 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
4076 JNIWrapper("UnregisterNatives"); | |
4006 | 4077 #ifndef USDT2 |
0 | 4078 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
4006 | 4079 #else /* USDT2 */ |
4080 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
4081 env, clazz); | |
4082 #endif /* USDT2 */ | |
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4083 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
0 | 4084 //%note jni_2 |
6983 | 4085 if (k->oop_is_instance()) { |
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4086 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
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4087 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
0 | 4088 if (m->is_native()) { |
4089 m->clear_native_function(); | |
4090 m->set_signature_handler(NULL); | |
4091 } | |
4092 } | |
4093 } | |
4006 | 4094 #ifndef USDT2 |
0 | 4095 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
4006 | 4096 #else /* USDT2 */ |
4097 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
4098 0); | |
4099 #endif /* USDT2 */ | |
0 | 4100 return 0; |
4101 JNI_END | |
4102 | |
4103 // | |
4104 // Monitor functions | |
4105 // | |
4106 | |
4006 | 4107 #ifndef USDT2 |
0 | 4108 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
4006 | 4109 #else /* USDT2 */ |
4110 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
4111 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
4112 #endif /* USDT2 */ | |
0 | 4113 |
4114 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
4006 | 4115 #ifndef USDT2 |
0 | 4116 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
4006 | 4117 #else /* USDT2 */ |
4118 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
4119 env, jobj); | |
4120 #endif /* USDT2 */ | |
0 | 4121 jint ret = JNI_ERR; |
4122 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
4123 | |
4124 // If the object is null, we can't do anything with it | |
4125 if (jobj == NULL) { | |
4126 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4127 } | |
4128 | |
4129 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
4130 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
4131 ret = JNI_OK; | |
4132 return ret; | |
4133 JNI_END | |
4134 | |
4006 | 4135 #ifndef USDT2 |
0 | 4136 DT_RETURN_MARK_DECL(MonitorExit, jint); |
4006 | 4137 #else /* USDT2 */ |
4138 DT_RETURN_MARK_DECL(MonitorExit, jint | |
4139 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
4140 #endif /* USDT2 */ | |
0 | 4141 |
4142 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
4006 | 4143 #ifndef USDT2 |
0 | 4144 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
4006 | 4145 #else /* USDT2 */ |
4146 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
4147 env, jobj); | |
4148 #endif /* USDT2 */ | |
0 | 4149 jint ret = JNI_ERR; |
4150 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
4151 | |
4152 // Don't do anything with a null object | |
4153 if (jobj == NULL) { | |
4154 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4155 } | |
4156 | |
4157 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
4158 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
4159 | |
4160 ret = JNI_OK; | |
4161 return ret; | |
4162 JNI_END | |
4163 | |
4164 // | |
4165 // Extensions | |
4166 // | |
4167 | |
4006 | 4168 #ifndef USDT2 |
0 | 4169 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
4006 | 4170 #else /* USDT2 */ |
4171 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
4172 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
4173 #endif /* USDT2 */ | |
0 | 4174 |
4175 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
4176 JNIWrapper("GetStringRegion"); | |
4006 | 4177 #ifndef USDT2 |
0 | 4178 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
4006 | 4179 #else /* USDT2 */ |
4180 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
4181 env, string, start, len, buf); | |
4182 #endif /* USDT2 */ | |
0 | 4183 DT_VOID_RETURN_MARK(GetStringRegion); |
4184 oop s = JNIHandles::resolve_non_null(string); | |
4185 int s_len = java_lang_String::length(s); | |
4186 if (start < 0 || len < 0 || start + len > s_len) { | |
4187 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4188 } else { | |
4189 if (len > 0) { | |
4190 int s_offset = java_lang_String::offset(s); | |
4191 typeArrayOop s_value = java_lang_String::value(s); | |
4192 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
4193 } | |
4194 } | |
4195 JNI_END | |
4196 | |
4006 | 4197 #ifndef USDT2 |
0 | 4198 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
4006 | 4199 #else /* USDT2 */ |
4200 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
4201 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
4202 #endif /* USDT2 */ | |
0 | 4203 |
4204 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
4205 JNIWrapper("GetStringUTFRegion"); | |
4006 | 4206 #ifndef USDT2 |
0 | 4207 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
4006 | 4208 #else /* USDT2 */ |
4209 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
4210 env, string, start, len, buf); | |
4211 #endif /* USDT2 */ | |
0 | 4212 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
4213 oop s = JNIHandles::resolve_non_null(string); | |
4214 int s_len = java_lang_String::length(s); | |
4215 if (start < 0 || len < 0 || start + len > s_len) { | |
4216 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4217 } else { | |
4218 //%note jni_7 | |
4219 if (len > 0) { | |
4220 ResourceMark rm(THREAD); | |
4221 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
4222 int utf_len = (int)strlen(utf_region); | |
4223 memcpy(buf, utf_region, utf_len); | |
4224 buf[utf_len] = 0; | |
4225 } else { | |
4226 // JDK null-terminates the buffer even in len is zero | |
4227 if (buf != NULL) { | |
4228 buf[0] = 0; | |
4229 } | |
4230 } | |
4231 } | |
4232 JNI_END | |
4233 | |
4234 | |
4235 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
4236 JNIWrapper("GetPrimitiveArrayCritical"); | |
4006 | 4237 #ifndef USDT2 |
0 | 4238 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
4006 | 4239 #else /* USDT2 */ |
4240 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
4241 env, array, (uintptr_t *) isCopy); | |
4242 #endif /* USDT2 */ | |
0 | 4243 GC_locker::lock_critical(thread); |
4244 if (isCopy != NULL) { | |
4245 *isCopy = JNI_FALSE; | |
4246 } | |
4247 oop a = JNIHandles::resolve_non_null(array); | |
4248 assert(a->is_array(), "just checking"); | |
4249 BasicType type; | |
4250 if (a->is_objArray()) { | |
4251 type = T_OBJECT; | |
4252 } else { | |
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4253 type = TypeArrayKlass::cast(a->klass())->element_type(); |
0 | 4254 } |
4255 void* ret = arrayOop(a)->base(type); | |
4006 | 4256 #ifndef USDT2 |
0 | 4257 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
4006 | 4258 #else /* USDT2 */ |
4259 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
4260 ret); | |
4261 #endif /* USDT2 */ | |
0 | 4262 return ret; |
4263 JNI_END | |
4264 | |
4265 | |
4266 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
4267 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
4006 | 4268 #ifndef USDT2 |
0 | 4269 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
4006 | 4270 #else /* USDT2 */ |
4271 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
4272 env, array, carray, mode); | |
4273 #endif /* USDT2 */ | |
0 | 4274 // The array, carray and mode arguments are ignored |
4275 GC_locker::unlock_critical(thread); | |
4006 | 4276 #ifndef USDT2 |
0 | 4277 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
4006 | 4278 #else /* USDT2 */ |
4279 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
4280 ); | |
4281 #endif /* USDT2 */ | |
0 | 4282 JNI_END |
4283 | |
4284 | |
4285 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
4286 JNIWrapper("GetStringCritical"); | |
4006 | 4287 #ifndef USDT2 |
0 | 4288 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
4006 | 4289 #else /* USDT2 */ |
4290 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
4291 env, string, (uintptr_t *) isCopy); | |
4292 #endif /* USDT2 */ | |
0 | 4293 GC_locker::lock_critical(thread); |
4294 if (isCopy != NULL) { | |
4295 *isCopy = JNI_FALSE; | |
4296 } | |
4297 oop s = JNIHandles::resolve_non_null(string); | |
4298 int s_len = java_lang_String::length(s); | |
4299 typeArrayOop s_value = java_lang_String::value(s); | |
4300 int s_offset = java_lang_String::offset(s); | |
4301 const jchar* ret; | |
4302 if (s_len > 0) { | |
4303 ret = s_value->char_at_addr(s_offset); | |
4304 } else { | |
4305 ret = (jchar*) s_value->base(T_CHAR); | |
4306 } | |
4006 | 4307 #ifndef USDT2 |
0 | 4308 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
4006 | 4309 #else /* USDT2 */ |
4310 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
4311 (uint16_t *) ret); | |
4312 #endif /* USDT2 */ | |
0 | 4313 return ret; |
4314 JNI_END | |
4315 | |
4316 | |
4317 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
4318 JNIWrapper("ReleaseStringCritical"); | |
4006 | 4319 #ifndef USDT2 |
0 | 4320 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
4006 | 4321 #else /* USDT2 */ |
4322 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
4323 env, str, (uint16_t *) chars); | |
4324 #endif /* USDT2 */ | |
0 | 4325 // The str and chars arguments are ignored |
4326 GC_locker::unlock_critical(thread); | |
4006 | 4327 #ifndef USDT2 |
0 | 4328 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
4006 | 4329 #else /* USDT2 */ |
4330 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
4331 ); | |
4332 #endif /* USDT2 */ | |
0 | 4333 JNI_END |
4334 | |
4335 | |
4336 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
4337 JNIWrapper("jni_NewWeakGlobalRef"); | |
4006 | 4338 #ifndef USDT2 |
0 | 4339 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
4006 | 4340 #else /* USDT2 */ |
4341 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
4342 env, ref); | |
4343 #endif /* USDT2 */ | |
0 | 4344 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
4345 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
4006 | 4346 #ifndef USDT2 |
0 | 4347 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
4006 | 4348 #else /* USDT2 */ |
4349 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
4350 ret); | |
4351 #endif /* USDT2 */ | |
0 | 4352 return ret; |
4353 JNI_END | |
4354 | |
4355 // Must be JNI_ENTRY (with HandleMark) | |
4356 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
4357 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
4006 | 4358 #ifndef USDT2 |
0 | 4359 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
4006 | 4360 #else /* USDT2 */ |
4361 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
4362 env, ref); | |
4363 #endif /* USDT2 */ | |
0 | 4364 JNIHandles::destroy_weak_global(ref); |
4006 | 4365 #ifndef USDT2 |
0 | 4366 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
4006 | 4367 #else /* USDT2 */ |
4368 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
4369 ); | |
4370 #endif /* USDT2 */ | |
0 | 4371 JNI_END |
4372 | |
4373 | |
4374 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
4375 JNIWrapper("jni_ExceptionCheck"); | |
4006 | 4376 #ifndef USDT2 |
0 | 4377 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
4006 | 4378 #else /* USDT2 */ |
4379 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
4380 env); | |
4381 #endif /* USDT2 */ | |
0 | 4382 jni_check_async_exceptions(thread); |
4383 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
4006 | 4384 #ifndef USDT2 |
0 | 4385 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
4006 | 4386 #else /* USDT2 */ |
4387 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
4388 ret); | |
4389 #endif /* USDT2 */ | |
0 | 4390 return ret; |
4391 JNI_END | |
4392 | |
4393 | |
4394 // Initialization state for three routines below relating to | |
4395 // java.nio.DirectBuffers | |
4396 static jint directBufferSupportInitializeStarted = 0; | |
4397 static volatile jint directBufferSupportInitializeEnded = 0; | |
4398 static volatile jint directBufferSupportInitializeFailed = 0; | |
4399 static jclass bufferClass = NULL; | |
4400 static jclass directBufferClass = NULL; | |
4401 static jclass directByteBufferClass = NULL; | |
4402 static jmethodID directByteBufferConstructor = NULL; | |
4403 static jfieldID directBufferAddressField = NULL; | |
4404 static jfieldID bufferCapacityField = NULL; | |
4405 | |
4406 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
4407 Handle loader; // null (bootstrap) loader | |
4408 Handle protection_domain; // null protection domain | |
4409 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4410 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4411 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
|
4412 |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4413 if (TraceClassResolution && result != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4414 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
|
4415 } |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4416 return result; |
0 | 4417 } |
4418 | |
4419 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
4420 // circumvent any security checks that would be done by jni_FindClass. | |
4421 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
4422 { | |
4423 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
4424 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
4425 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
4426 return true; | |
4427 } | |
4428 JNI_END | |
4429 | |
4430 | |
4431 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
4432 if (directBufferSupportInitializeFailed) { | |
4433 return false; | |
4434 } | |
4435 | |
4436 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
4437 if (!lookupDirectBufferClasses(env)) { | |
4438 directBufferSupportInitializeFailed = 1; | |
4439 return false; | |
4440 } | |
4441 | |
4442 // Make global references for these | |
4443 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
4444 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
4445 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
4446 | |
4447 // Get needed field and method IDs | |
4448 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
4449 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
4450 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
4451 | |
4452 if ((directByteBufferConstructor == NULL) || | |
4453 (directBufferAddressField == NULL) || | |
4454 (bufferCapacityField == NULL)) { | |
4455 directBufferSupportInitializeFailed = 1; | |
4456 return false; | |
4457 } | |
4458 | |
4459 directBufferSupportInitializeEnded = 1; | |
4460 } else { | |
4461 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
|
4462 // 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
|
4463 // 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
|
4464 // 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
|
4465 // 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
|
4466 // try to call this method. See 6791815 for more details. |
4db4e58c16bd
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parents:
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diff
changeset
|
4467 ThreadInVMfromNative tivn(thread); |
0 | 4468 os::yield_all(); |
4469 } | |
4470 } | |
4471 | |
4472 return !directBufferSupportInitializeFailed; | |
4473 } | |
4474 | |
4475 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
4476 { | |
4477 // thread_from_jni_environment() will block if VM is gone. | |
4478 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4479 | |
4480 JNIWrapper("jni_NewDirectByteBuffer"); | |
4006 | 4481 #ifndef USDT2 |
0 | 4482 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
4006 | 4483 #else /* USDT2 */ |
4484 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
4485 env, address, capacity); | |
4486 #endif /* USDT2 */ | |
0 | 4487 |
4488 if (!directBufferSupportInitializeEnded) { | |
4489 if (!initializeDirectBufferSupport(env, thread)) { | |
4006 | 4490 #ifndef USDT2 |
0 | 4491 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
4006 | 4492 #else /* USDT2 */ |
4493 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4494 NULL); | |
4495 #endif /* USDT2 */ | |
0 | 4496 return NULL; |
4497 } | |
4498 } | |
4499 | |
4500 // Being paranoid about accidental sign extension on address | |
4501 jlong addr = (jlong) ((uintptr_t) address); | |
4502 // NOTE that package-private DirectByteBuffer constructor currently | |
4503 // takes int capacity | |
4504 jint cap = (jint) capacity; | |
4505 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
4006 | 4506 #ifndef USDT2 |
0 | 4507 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
4006 | 4508 #else /* USDT2 */ |
4509 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4510 ret); | |
4511 #endif /* USDT2 */ | |
0 | 4512 return ret; |
4513 } | |
4514 | |
4006 | 4515 #ifndef USDT2 |
0 | 4516 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
4006 | 4517 #else /* USDT2 */ |
4518 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
4519 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
4520 #endif /* USDT2 */ | |
0 | 4521 |
4522 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
4523 { | |
4524 // thread_from_jni_environment() will block if VM is gone. | |
4525 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4526 | |
4527 JNIWrapper("jni_GetDirectBufferAddress"); | |
4006 | 4528 #ifndef USDT2 |
0 | 4529 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
4006 | 4530 #else /* USDT2 */ |
4531 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
4532 env, buf); | |
4533 #endif /* USDT2 */ | |
0 | 4534 void* ret = NULL; |
4535 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
4536 | |
4537 if (!directBufferSupportInitializeEnded) { | |
4538 if (!initializeDirectBufferSupport(env, thread)) { | |
4539 return 0; | |
4540 } | |
4541 } | |
4542 | |
4543 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
4544 return 0; | |
4545 } | |
4546 | |
4547 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
4548 return ret; | |
4549 } | |
4550 | |
4006 | 4551 #ifndef USDT2 |
0 | 4552 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
4006 | 4553 #else /* USDT2 */ |
4554 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
4555 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
4556 #endif /* USDT2 */ | |
0 | 4557 |
4558 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
4559 { | |
4560 // thread_from_jni_environment() will block if VM is gone. | |
4561 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4562 | |
4563 JNIWrapper("jni_GetDirectBufferCapacity"); | |
4006 | 4564 #ifndef USDT2 |
0 | 4565 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
4006 | 4566 #else /* USDT2 */ |
4567 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
4568 env, buf); | |
4569 #endif /* USDT2 */ | |
0 | 4570 jlong ret = -1; |
4571 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
4572 | |
4573 if (!directBufferSupportInitializeEnded) { | |
4574 if (!initializeDirectBufferSupport(env, thread)) { | |
4575 ret = 0; | |
4576 return ret; | |
4577 } | |
4578 } | |
4579 | |
4580 if (buf == NULL) { | |
4581 return -1; | |
4582 } | |
4583 | |
4584 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
4585 return -1; | |
4586 } | |
4587 | |
4588 // NOTE that capacity is currently an int in the implementation | |
4589 ret = env->GetIntField(buf, bufferCapacityField); | |
4590 return ret; | |
4591 } | |
4592 | |
4593 | |
4594 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
4595 JNIWrapper("GetVersion"); | |
4006 | 4596 #ifndef USDT2 |
0 | 4597 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
4006 | 4598 #else /* USDT2 */ |
4599 HOTSPOT_JNI_GETVERSION_ENTRY( | |
4600 env); | |
4601 #endif /* USDT2 */ | |
4602 #ifndef USDT2 | |
0 | 4603 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
4006 | 4604 #else /* USDT2 */ |
4605 HOTSPOT_JNI_GETVERSION_RETURN( | |
4606 CurrentVersion); | |
4607 #endif /* USDT2 */ | |
0 | 4608 return CurrentVersion; |
4609 JNI_END | |
4610 | |
4611 extern struct JavaVM_ main_vm; | |
4612 | |
4613 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
4614 JNIWrapper("jni_GetJavaVM"); | |
4006 | 4615 #ifndef USDT2 |
0 | 4616 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
4006 | 4617 #else /* USDT2 */ |
4618 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
4619 env, (void **) vm); | |
4620 #endif /* USDT2 */ | |
0 | 4621 *vm = (JavaVM *)(&main_vm); |
4006 | 4622 #ifndef USDT2 |
0 | 4623 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
4006 | 4624 #else /* USDT2 */ |
4625 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
4626 JNI_OK); | |
4627 #endif /* USDT2 */ | |
0 | 4628 return JNI_OK; |
4629 JNI_END | |
4630 | |
4631 // Structure containing all jni functions | |
4632 struct JNINativeInterface_ jni_NativeInterface = { | |
4633 NULL, | |
4634 NULL, | |
4635 NULL, | |
4636 | |
4637 NULL, | |
4638 | |
4639 jni_GetVersion, | |
4640 | |
4641 jni_DefineClass, | |
4642 jni_FindClass, | |
4643 | |
4644 jni_FromReflectedMethod, | |
4645 jni_FromReflectedField, | |
4646 | |
4647 jni_ToReflectedMethod, | |
4648 | |
4649 jni_GetSuperclass, | |
4650 jni_IsAssignableFrom, | |
4651 | |
4652 jni_ToReflectedField, | |
4653 | |
4654 jni_Throw, | |
4655 jni_ThrowNew, | |
4656 jni_ExceptionOccurred, | |
4657 jni_ExceptionDescribe, | |
4658 jni_ExceptionClear, | |
4659 jni_FatalError, | |
4660 | |
4661 jni_PushLocalFrame, | |
4662 jni_PopLocalFrame, | |
4663 | |
4664 jni_NewGlobalRef, | |
4665 jni_DeleteGlobalRef, | |
4666 jni_DeleteLocalRef, | |
4667 jni_IsSameObject, | |
4668 | |
4669 jni_NewLocalRef, | |
4670 jni_EnsureLocalCapacity, | |
4671 | |
4672 jni_AllocObject, | |
4673 jni_NewObject, | |
4674 jni_NewObjectV, | |
4675 jni_NewObjectA, | |
4676 | |
4677 jni_GetObjectClass, | |
4678 jni_IsInstanceOf, | |
4679 | |
4680 jni_GetMethodID, | |
4681 | |
4682 jni_CallObjectMethod, | |
4683 jni_CallObjectMethodV, | |
4684 jni_CallObjectMethodA, | |
4685 jni_CallBooleanMethod, | |
4686 jni_CallBooleanMethodV, | |
4687 jni_CallBooleanMethodA, | |
4688 jni_CallByteMethod, | |
4689 jni_CallByteMethodV, | |
4690 jni_CallByteMethodA, | |
4691 jni_CallCharMethod, | |
4692 jni_CallCharMethodV, | |
4693 jni_CallCharMethodA, | |
4694 jni_CallShortMethod, | |
4695 jni_CallShortMethodV, | |
4696 jni_CallShortMethodA, | |
4697 jni_CallIntMethod, | |
4698 jni_CallIntMethodV, | |
4699 jni_CallIntMethodA, | |
4700 jni_CallLongMethod, | |
4701 jni_CallLongMethodV, | |
4702 jni_CallLongMethodA, | |
4703 jni_CallFloatMethod, | |
4704 jni_CallFloatMethodV, | |
4705 jni_CallFloatMethodA, | |
4706 jni_CallDoubleMethod, | |
4707 jni_CallDoubleMethodV, | |
4708 jni_CallDoubleMethodA, | |
4709 jni_CallVoidMethod, | |
4710 jni_CallVoidMethodV, | |
4711 jni_CallVoidMethodA, | |
4712 | |
4713 jni_CallNonvirtualObjectMethod, | |
4714 jni_CallNonvirtualObjectMethodV, | |
4715 jni_CallNonvirtualObjectMethodA, | |
4716 jni_CallNonvirtualBooleanMethod, | |
4717 jni_CallNonvirtualBooleanMethodV, | |
4718 jni_CallNonvirtualBooleanMethodA, | |
4719 jni_CallNonvirtualByteMethod, | |
4720 jni_CallNonvirtualByteMethodV, | |
4721 jni_CallNonvirtualByteMethodA, | |
4722 jni_CallNonvirtualCharMethod, | |
4723 jni_CallNonvirtualCharMethodV, | |
4724 jni_CallNonvirtualCharMethodA, | |
4725 jni_CallNonvirtualShortMethod, | |
4726 jni_CallNonvirtualShortMethodV, | |
4727 jni_CallNonvirtualShortMethodA, | |
4728 jni_CallNonvirtualIntMethod, | |
4729 jni_CallNonvirtualIntMethodV, | |
4730 jni_CallNonvirtualIntMethodA, | |
4731 jni_CallNonvirtualLongMethod, | |
4732 jni_CallNonvirtualLongMethodV, | |
4733 jni_CallNonvirtualLongMethodA, | |
4734 jni_CallNonvirtualFloatMethod, | |
4735 jni_CallNonvirtualFloatMethodV, | |
4736 jni_CallNonvirtualFloatMethodA, | |
4737 jni_CallNonvirtualDoubleMethod, | |
4738 jni_CallNonvirtualDoubleMethodV, | |
4739 jni_CallNonvirtualDoubleMethodA, | |
4740 jni_CallNonvirtualVoidMethod, | |
4741 jni_CallNonvirtualVoidMethodV, | |
4742 jni_CallNonvirtualVoidMethodA, | |
4743 | |
4744 jni_GetFieldID, | |
4745 | |
4746 jni_GetObjectField, | |
4747 jni_GetBooleanField, | |
4748 jni_GetByteField, | |
4749 jni_GetCharField, | |
4750 jni_GetShortField, | |
4751 jni_GetIntField, | |
4752 jni_GetLongField, | |
4753 jni_GetFloatField, | |
4754 jni_GetDoubleField, | |
4755 | |
4756 jni_SetObjectField, | |
4757 jni_SetBooleanField, | |
4758 jni_SetByteField, | |
4759 jni_SetCharField, | |
4760 jni_SetShortField, | |
4761 jni_SetIntField, | |
4762 jni_SetLongField, | |
4763 jni_SetFloatField, | |
4764 jni_SetDoubleField, | |
4765 | |
4766 jni_GetStaticMethodID, | |
4767 | |
4768 jni_CallStaticObjectMethod, | |
4769 jni_CallStaticObjectMethodV, | |
4770 jni_CallStaticObjectMethodA, | |
4771 jni_CallStaticBooleanMethod, | |
4772 jni_CallStaticBooleanMethodV, | |
4773 jni_CallStaticBooleanMethodA, | |
4774 jni_CallStaticByteMethod, | |
4775 jni_CallStaticByteMethodV, | |
4776 jni_CallStaticByteMethodA, | |
4777 jni_CallStaticCharMethod, | |
4778 jni_CallStaticCharMethodV, | |
4779 jni_CallStaticCharMethodA, | |
4780 jni_CallStaticShortMethod, | |
4781 jni_CallStaticShortMethodV, | |
4782 jni_CallStaticShortMethodA, | |
4783 jni_CallStaticIntMethod, | |
4784 jni_CallStaticIntMethodV, | |
4785 jni_CallStaticIntMethodA, | |
4786 jni_CallStaticLongMethod, | |
4787 jni_CallStaticLongMethodV, | |
4788 jni_CallStaticLongMethodA, | |
4789 jni_CallStaticFloatMethod, | |
4790 jni_CallStaticFloatMethodV, | |
4791 jni_CallStaticFloatMethodA, | |
4792 jni_CallStaticDoubleMethod, | |
4793 jni_CallStaticDoubleMethodV, | |
4794 jni_CallStaticDoubleMethodA, | |
4795 jni_CallStaticVoidMethod, | |
4796 jni_CallStaticVoidMethodV, | |
4797 jni_CallStaticVoidMethodA, | |
4798 | |
4799 jni_GetStaticFieldID, | |
4800 | |
4801 jni_GetStaticObjectField, | |
4802 jni_GetStaticBooleanField, | |
4803 jni_GetStaticByteField, | |
4804 jni_GetStaticCharField, | |
4805 jni_GetStaticShortField, | |
4806 jni_GetStaticIntField, | |
4807 jni_GetStaticLongField, | |
4808 jni_GetStaticFloatField, | |
4809 jni_GetStaticDoubleField, | |
4810 | |
4811 jni_SetStaticObjectField, | |
4812 jni_SetStaticBooleanField, | |
4813 jni_SetStaticByteField, | |
4814 jni_SetStaticCharField, | |
4815 jni_SetStaticShortField, | |
4816 jni_SetStaticIntField, | |
4817 jni_SetStaticLongField, | |
4818 jni_SetStaticFloatField, | |
4819 jni_SetStaticDoubleField, | |
4820 | |
4821 jni_NewString, | |
4822 jni_GetStringLength, | |
4823 jni_GetStringChars, | |
4824 jni_ReleaseStringChars, | |
4825 | |
4826 jni_NewStringUTF, | |
4827 jni_GetStringUTFLength, | |
4828 jni_GetStringUTFChars, | |
4829 jni_ReleaseStringUTFChars, | |
4830 | |
4831 jni_GetArrayLength, | |
4832 | |
4833 jni_NewObjectArray, | |
4834 jni_GetObjectArrayElement, | |
4835 jni_SetObjectArrayElement, | |
4836 | |
4837 jni_NewBooleanArray, | |
4838 jni_NewByteArray, | |
4839 jni_NewCharArray, | |
4840 jni_NewShortArray, | |
4841 jni_NewIntArray, | |
4842 jni_NewLongArray, | |
4843 jni_NewFloatArray, | |
4844 jni_NewDoubleArray, | |
4845 | |
4846 jni_GetBooleanArrayElements, | |
4847 jni_GetByteArrayElements, | |
4848 jni_GetCharArrayElements, | |
4849 jni_GetShortArrayElements, | |
4850 jni_GetIntArrayElements, | |
4851 jni_GetLongArrayElements, | |
4852 jni_GetFloatArrayElements, | |
4853 jni_GetDoubleArrayElements, | |
4854 | |
4855 jni_ReleaseBooleanArrayElements, | |
4856 jni_ReleaseByteArrayElements, | |
4857 jni_ReleaseCharArrayElements, | |
4858 jni_ReleaseShortArrayElements, | |
4859 jni_ReleaseIntArrayElements, | |
4860 jni_ReleaseLongArrayElements, | |
4861 jni_ReleaseFloatArrayElements, | |
4862 jni_ReleaseDoubleArrayElements, | |
4863 | |
4864 jni_GetBooleanArrayRegion, | |
4865 jni_GetByteArrayRegion, | |
4866 jni_GetCharArrayRegion, | |
4867 jni_GetShortArrayRegion, | |
4868 jni_GetIntArrayRegion, | |
4869 jni_GetLongArrayRegion, | |
4870 jni_GetFloatArrayRegion, | |
4871 jni_GetDoubleArrayRegion, | |
4872 | |
4873 jni_SetBooleanArrayRegion, | |
4874 jni_SetByteArrayRegion, | |
4875 jni_SetCharArrayRegion, | |
4876 jni_SetShortArrayRegion, | |
4877 jni_SetIntArrayRegion, | |
4878 jni_SetLongArrayRegion, | |
4879 jni_SetFloatArrayRegion, | |
4880 jni_SetDoubleArrayRegion, | |
4881 | |
4882 jni_RegisterNatives, | |
4883 jni_UnregisterNatives, | |
4884 | |
4885 jni_MonitorEnter, | |
4886 jni_MonitorExit, | |
4887 | |
4888 jni_GetJavaVM, | |
4889 | |
4890 jni_GetStringRegion, | |
4891 jni_GetStringUTFRegion, | |
4892 | |
4893 jni_GetPrimitiveArrayCritical, | |
4894 jni_ReleasePrimitiveArrayCritical, | |
4895 | |
4896 jni_GetStringCritical, | |
4897 jni_ReleaseStringCritical, | |
4898 | |
4899 jni_NewWeakGlobalRef, | |
4900 jni_DeleteWeakGlobalRef, | |
4901 | |
4902 jni_ExceptionCheck, | |
4903 | |
4904 jni_NewDirectByteBuffer, | |
4905 jni_GetDirectBufferAddress, | |
4906 jni_GetDirectBufferCapacity, | |
4907 | |
4908 // New 1_6 features | |
4909 | |
4910 jni_GetObjectRefType | |
4911 }; | |
4912 | |
4913 | |
4914 // For jvmti use to modify jni function table. | |
4915 // Java threads in native contiues to run until it is transitioned | |
4916 // to VM at safepoint. Before the transition or before it is blocked | |
4917 // for safepoint it may access jni function table. VM could crash if | |
4918 // any java thread access the jni function table in the middle of memcpy. | |
4919 // To avoid this each function pointers are copied automically. | |
4920 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
4921 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
4922 intptr_t *a = (intptr_t *) jni_functions(); | |
4923 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
4924 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
4925 Atomic::store_ptr(*b++, a++); | |
4926 } | |
4927 } | |
4928 | |
4929 void quicken_jni_functions() { | |
4930 // Replace Get<Primitive>Field with fast versions | |
4931 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
4932 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
4933 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
4934 // windows x86 currently needs SEH wrapper and the gain of the fast | |
4935 // versions currently isn't certain for server vm on uniprocessor. | |
4936 && os::is_MP() | |
4937 #endif | |
4938 ) { | |
4939 address func; | |
4940 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
4941 if (func != (address)-1) { | |
4942 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
4943 } | |
4944 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
4945 if (func != (address)-1) { | |
4946 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
4947 } | |
4948 func = JNI_FastGetField::generate_fast_get_char_field(); | |
4949 if (func != (address)-1) { | |
4950 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
4951 } | |
4952 func = JNI_FastGetField::generate_fast_get_short_field(); | |
4953 if (func != (address)-1) { | |
4954 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
4955 } | |
4956 func = JNI_FastGetField::generate_fast_get_int_field(); | |
4957 if (func != (address)-1) { | |
4958 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
4959 } | |
4960 func = JNI_FastGetField::generate_fast_get_long_field(); | |
4961 if (func != (address)-1) { | |
4962 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
4963 } | |
4964 func = JNI_FastGetField::generate_fast_get_float_field(); | |
4965 if (func != (address)-1) { | |
4966 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
4967 } | |
4968 func = JNI_FastGetField::generate_fast_get_double_field(); | |
4969 if (func != (address)-1) { | |
4970 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
4971 } | |
4972 } | |
4973 } | |
4974 | |
4975 // Returns the function structure | |
4976 struct JNINativeInterface_* jni_functions() { | |
6854
fb19af007ffc
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diff
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|
4977 #if INCLUDE_JNI_CHECK |
0 | 4978 if (CheckJNICalls) return jni_functions_check(); |
6854
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|
4979 #endif // INCLUDE_JNI_CHECK |
0 | 4980 return &jni_NativeInterface; |
4981 } | |
4982 | |
4983 // Returns the function structure | |
4984 struct JNINativeInterface_* jni_functions_nocheck() { | |
4985 return &jni_NativeInterface; | |
4986 } | |
4987 | |
4988 | |
4989 // Invocation API | |
4990 | |
4991 | |
4992 // Forward declaration | |
4993 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
4994 | |
4995 // Global invocation API vars | |
4996 volatile jint vm_created = 0; | |
4997 // Indicate whether it is safe to recreate VM | |
4998 volatile jint safe_to_recreate_vm = 1; | |
4999 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
5000 | |
5001 | |
5002 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
5003 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
5004 | |
4006 | 5005 #ifndef USDT2 |
0 | 5006 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
5007 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
4006 | 5008 #else /* USDT2 */ |
5009 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
5010 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
5011 #endif /* USDT2 */ | |
0 | 5012 |
5013 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
4006 | 5014 #ifndef USDT2 |
0 | 5015 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
4006 | 5016 #else /* USDT2 */ |
5017 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
5018 args_); | |
5019 #endif /* USDT2 */ | |
0 | 5020 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
5021 jint ret = JNI_ERR; | |
5022 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
5023 | |
5024 if (Threads::is_supported_jni_version(args->version)) { | |
5025 ret = JNI_OK; | |
5026 } | |
5027 // 1.1 style no longer supported in hotspot. | |
5028 // According the JNI spec, we should update args->version on return. | |
5029 // We also use the structure to communicate with launcher about default | |
5030 // stack size. | |
5031 if (args->version == JNI_VERSION_1_1) { | |
5032 args->version = JNI_VERSION_1_2; | |
5033 // javaStackSize is int in arguments structure | |
5034 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
5035 args->javaStackSize = (jint)(ThreadStackSize * K); | |
5036 } | |
5037 return ret; | |
5038 } | |
5039 | |
3779 | 5040 #ifndef PRODUCT |
5041 | |
4708 | 5042 #include "gc_interface/collectedHeap.hpp" |
3779 | 5043 #include "utilities/quickSort.hpp" |
7171 | 5044 #if INCLUDE_VM_STRUCTS |
5045 #include "runtime/vmStructs.hpp" | |
5046 #endif | |
3779 | 5047 |
4708 | 5048 #define run_unit_test(unit_test_function_call) \ |
5049 tty->print_cr("Running test: " #unit_test_function_call); \ | |
5050 unit_test_function_call | |
5051 | |
3779 | 5052 void execute_internal_vm_tests() { |
5053 if (ExecuteInternalVMTests) { | |
4708 | 5054 tty->print_cr("Running internal VM tests"); |
5055 run_unit_test(arrayOopDesc::test_max_array_length()); | |
5056 run_unit_test(CollectedHeap::test_is_in()); | |
5057 run_unit_test(QuickSort::test_quick_sort()); | |
6162 | 5058 run_unit_test(AltHashing::test_alt_hash()); |
7171 | 5059 #if INCLUDE_VM_STRUCTS |
5060 run_unit_test(VMStructs::test()); | |
5061 #endif | |
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5062 tty->print_cr("All internal VM tests passed"); |
3779 | 5063 } |
5064 } | |
5065 | |
4708 | 5066 #undef run_unit_test |
5067 | |
3779 | 5068 #endif |
5069 | |
4006 | 5070 #ifndef USDT2 |
0 | 5071 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
5072 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
4006 | 5073 #else /* USDT2 */ |
5074 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
5075 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
5076 #endif /* USDT2 */ | |
0 | 5077 |
5078 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
4006 | 5079 #ifndef USDT2 |
0 | 5080 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
4006 | 5081 #else /* USDT2 */ |
5082 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
5083 (void **) vm, penv, args); | |
5084 #endif /* USDT2 */ | |
0 | 5085 |
5086 jint result = JNI_ERR; | |
5087 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
5088 | |
1078 | 5089 // We're about to use Atomic::xchg for synchronization. Some Zero |
5090 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
5091 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
5092 // on all architectures. So we check it works before relying on it. | |
5093 #if defined(ZERO) && defined(ASSERT) | |
5094 { | |
5095 jint a = 0xcafebabe; | |
5096 jint b = Atomic::xchg(0xdeadbeef, &a); | |
5097 void *c = &a; | |
5098 void *d = Atomic::xchg_ptr(&b, &c); | |
1132 | 5099 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
1078 | 5100 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
5101 } | |
5102 #endif // ZERO && ASSERT | |
5103 | |
0 | 5104 // At the moment it's only possible to have one Java VM, |
5105 // since some of the runtime state is in global variables. | |
5106 | |
5107 // We cannot use our mutex locks here, since they only work on | |
5108 // Threads. We do an atomic compare and exchange to ensure only | |
5109 // one thread can call this method at a time | |
5110 | |
5111 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
5112 // the add/dec implementations are dependent on whether we are running | |
5113 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
5114 // function used to determine this will always return false. Atomic::xchg | |
5115 // does not have this problem. | |
5116 if (Atomic::xchg(1, &vm_created) == 1) { | |
5117 return JNI_ERR; // already created, or create attempt in progress | |
5118 } | |
5119 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
5120 return JNI_ERR; // someone tried and failed and retry not allowed. | |
5121 } | |
5122 | |
5123 assert(vm_created == 1, "vm_created is true during the creation"); | |
5124 | |
5125 /** | |
5126 * Certain errors during initialization are recoverable and do not | |
5127 * prevent this method from being called again at a later time | |
5128 * (perhaps with different arguments). However, at a certain | |
5129 * point during initialization if an error occurs we cannot allow | |
5130 * this function to be called again (or it will crash). In those | |
5131 * situations, the 'canTryAgain' flag is set to false, which atomically | |
5132 * sets safe_to_recreate_vm to 1, such that any new call to | |
5133 * JNI_CreateJavaVM will immediately fail using the above logic. | |
5134 */ | |
5135 bool can_try_again = true; | |
5136 | |
5137 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
5138 if (result == JNI_OK) { | |
5139 JavaThread *thread = JavaThread::current(); | |
5140 /* thread is thread_in_vm here */ | |
5141 *vm = (JavaVM *)(&main_vm); | |
5142 *(JNIEnv**)penv = thread->jni_environment(); | |
5143 | |
5144 // Tracks the time application was running before GC | |
5145 RuntimeService::record_application_start(); | |
5146 | |
5147 // Notify JVMTI | |
5148 if (JvmtiExport::should_post_thread_life()) { | |
5149 JvmtiExport::post_thread_start(thread); | |
5150 } | |
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diff
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|
5151 |
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diff
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|
5152 EVENT_BEGIN(TraceEventThreadStart, event); |
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4708
diff
changeset
|
5153 EVENT_COMMIT(event, |
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4708
diff
changeset
|
5154 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
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|
5155 |
0 | 5156 // Check if we should compile all classes on bootclasspath |
5157 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
6972
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6940
diff
changeset
|
5158 NOT_PRODUCT(if (ReplayCompiles) ciReplay::replay(thread);) |
0 | 5159 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
5160 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5161 } else { | |
5162 if (can_try_again) { | |
5163 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
5164 safe_to_recreate_vm = 1; | |
5165 } | |
5166 | |
5167 // Creation failed. We must reset vm_created | |
5168 *vm = 0; | |
5169 *(JNIEnv**)penv = 0; | |
5170 // reset vm_created last to avoid race condition. Use OrderAccess to | |
5171 // control both compiler and architectural-based reordering. | |
5172 OrderAccess::release_store(&vm_created, 0); | |
5173 } | |
5174 | |
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1290
diff
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|
5175 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
3779 | 5176 NOT_PRODUCT(execute_internal_vm_tests()); |
0 | 5177 return result; |
5178 } | |
5179 | |
4006 | 5180 #ifndef USDT2 |
0 | 5181 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5182 JavaVM**, jsize, jsize*); | |
5183 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
4006 | 5184 #endif /* !USDT2 */ |
0 | 5185 |
5186 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
5187 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
5188 // JNIWrapper("GetCreatedJavaVMs"); | |
4006 | 5189 #ifndef USDT2 |
0 | 5190 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5191 vm_buf, bufLen, numVMs); | |
4006 | 5192 #else /* USDT2 */ |
5193 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
5194 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
5195 #endif /* USDT2 */ | |
0 | 5196 if (vm_created) { |
5197 if (numVMs != NULL) *numVMs = 1; | |
5198 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
5199 } else { | |
5200 if (numVMs != NULL) *numVMs = 0; | |
5201 } | |
4006 | 5202 #ifndef USDT2 |
0 | 5203 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
4006 | 5204 #else /* USDT2 */ |
5205 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
5206 JNI_OK); | |
5207 #endif /* USDT2 */ | |
0 | 5208 return JNI_OK; |
5209 } | |
5210 | |
5211 extern "C" { | |
5212 | |
4006 | 5213 #ifndef USDT2 |
0 | 5214 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
4006 | 5215 #else /* USDT2 */ |
5216 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
5217 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
5218 #endif /* USDT2 */ | |
0 | 5219 |
5220 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
4006 | 5221 #ifndef USDT2 |
0 | 5222 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
4006 | 5223 #else /* USDT2 */ |
5224 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
5225 vm); | |
5226 #endif /* USDT2 */ | |
0 | 5227 jint res = JNI_ERR; |
5228 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
5229 | |
5230 if (!vm_created) { | |
5231 res = JNI_ERR; | |
5232 return res; | |
5233 } | |
5234 | |
5235 JNIWrapper("DestroyJavaVM"); | |
5236 JNIEnv *env; | |
5237 JavaVMAttachArgs destroyargs; | |
5238 destroyargs.version = CurrentVersion; | |
5239 destroyargs.name = (char *)"DestroyJavaVM"; | |
5240 destroyargs.group = NULL; | |
5241 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
5242 if (res != JNI_OK) { | |
5243 return res; | |
5244 } | |
5245 | |
5246 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
5247 JavaThread* thread = JavaThread::current(); | |
5248 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5249 if (Threads::destroy_vm()) { | |
5250 // Should not change thread state, VM is gone | |
5251 vm_created = false; | |
5252 res = JNI_OK; | |
5253 return res; | |
5254 } else { | |
5255 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5256 res = JNI_ERR; | |
5257 return res; | |
5258 } | |
5259 } | |
5260 | |
5261 | |
5262 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
5263 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
5264 | |
5265 // Check below commented out from JDK1.2fcs as well | |
5266 /* | |
5267 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
5268 return JNI_EVERSION; | |
5269 } | |
5270 */ | |
5271 | |
5272 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
5273 if (t != NULL) { | |
5274 // If the thread has been attached this operation is a no-op | |
5275 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
5276 return JNI_OK; | |
5277 } | |
5278 | |
5279 // Create a thread and mark it as attaching so it will be skipped by the | |
5280 // ThreadsListEnumerator - see CR 6404306 | |
5281 JavaThread* thread = new JavaThread(true); | |
5282 | |
5283 // Set correct safepoint info. The thread is going to call into Java when | |
5284 // initializing the Java level thread object. Hence, the correct state must | |
5285 // be set in order for the Safepoint code to deal with it correctly. | |
5286 thread->set_thread_state(_thread_in_vm); | |
5287 // Must do this before initialize_thread_local_storage | |
5288 thread->record_stack_base_and_size(); | |
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5289 |
0 | 5290 thread->initialize_thread_local_storage(); |
5291 | |
5292 if (!os::create_attached_thread(thread)) { | |
5293 delete thread; | |
5294 return JNI_ERR; | |
5295 } | |
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5296 // Enable stack overflow checks |
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5297 thread->create_stack_guard_pages(); |
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5298 |
0 | 5299 thread->initialize_tlab(); |
5300 | |
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5301 thread->cache_global_variables(); |
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5302 |
0 | 5303 // Crucial that we do not have a safepoint check for this thread, since it has |
5304 // not been added to the Thread list yet. | |
5305 { Threads_lock->lock_without_safepoint_check(); | |
5306 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
5307 // avoid this thread trying to do a GC before it is added to the thread-list | |
5308 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
5309 Threads::add(thread, daemon); | |
5310 Threads_lock->unlock(); | |
5311 } | |
5312 // Create thread group and name info from attach arguments | |
5313 oop group = NULL; | |
5314 char* thread_name = NULL; | |
5315 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
5316 group = JNIHandles::resolve(args->group); | |
5317 thread_name = args->name; // may be NULL | |
5318 } | |
5319 if (group == NULL) group = Universe::main_thread_group(); | |
5320 | |
5321 // Create Java level thread object and attach it to this thread | |
5322 bool attach_failed = false; | |
5323 { | |
5324 EXCEPTION_MARK; | |
5325 HandleMark hm(THREAD); | |
5326 Handle thread_group(THREAD, group); | |
5327 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
5328 if (HAS_PENDING_EXCEPTION) { | |
5329 CLEAR_PENDING_EXCEPTION; | |
5330 // cleanup outside the handle mark. | |
5331 attach_failed = true; | |
5332 } | |
5333 } | |
5334 | |
5335 if (attach_failed) { | |
5336 // Added missing cleanup | |
5337 thread->cleanup_failed_attach_current_thread(); | |
5338 return JNI_ERR; | |
5339 } | |
5340 | |
5341 // mark the thread as no longer attaching | |
5342 // this uses a fence to push the change through so we don't have | |
5343 // to regrab the threads_lock | |
4006 | 5344 thread->set_done_attaching_via_jni(); |
0 | 5345 |
5346 // Set java thread status. | |
5347 java_lang_Thread::set_thread_status(thread->threadObj(), | |
5348 java_lang_Thread::RUNNABLE); | |
5349 | |
5350 // Notify the debugger | |
5351 if (JvmtiExport::should_post_thread_life()) { | |
5352 JvmtiExport::post_thread_start(thread); | |
5353 } | |
5354 | |
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5355 EVENT_BEGIN(TraceEventThreadStart, event); |
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5356 EVENT_COMMIT(event, |
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5357 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
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5358 |
0 | 5359 *(JNIEnv**)penv = thread->jni_environment(); |
5360 | |
5361 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
5362 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
5363 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
5364 // needed. | |
5365 | |
5366 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5367 | |
5368 // Perform any platform dependent FPU setup | |
5369 os::setup_fpu(); | |
5370 | |
5371 return JNI_OK; | |
5372 } | |
5373 | |
5374 | |
5375 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5376 #ifndef USDT2 |
0 | 5377 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
4006 | 5378 #else /* USDT2 */ |
5379 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
5380 vm, penv, _args); | |
5381 #endif /* USDT2 */ | |
0 | 5382 if (!vm_created) { |
4006 | 5383 #ifndef USDT2 |
0 | 5384 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
4006 | 5385 #else /* USDT2 */ |
5386 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5387 (uint32_t) JNI_ERR); | |
5388 #endif /* USDT2 */ | |
0 | 5389 return JNI_ERR; |
5390 } | |
5391 | |
5392 JNIWrapper("AttachCurrentThread"); | |
5393 jint ret = attach_current_thread(vm, penv, _args, false); | |
4006 | 5394 #ifndef USDT2 |
0 | 5395 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
4006 | 5396 #else /* USDT2 */ |
5397 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5398 ret); | |
5399 #endif /* USDT2 */ | |
0 | 5400 return ret; |
5401 } | |
5402 | |
5403 | |
5404 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
4006 | 5405 #ifndef USDT2 |
0 | 5406 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
4006 | 5407 #else /* USDT2 */ |
5408 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
5409 vm); | |
5410 #endif /* USDT2 */ | |
0 | 5411 VM_Exit::block_if_vm_exited(); |
5412 | |
5413 JNIWrapper("DetachCurrentThread"); | |
5414 | |
5415 // If the thread has been deattacted the operations is a no-op | |
5416 if (ThreadLocalStorage::thread() == NULL) { | |
4006 | 5417 #ifndef USDT2 |
0 | 5418 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5419 #else /* USDT2 */ |
5420 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5421 JNI_OK); | |
5422 #endif /* USDT2 */ | |
0 | 5423 return JNI_OK; |
5424 } | |
5425 | |
5426 JavaThread* thread = JavaThread::current(); | |
5427 if (thread->has_last_Java_frame()) { | |
4006 | 5428 #ifndef USDT2 |
0 | 5429 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
4006 | 5430 #else /* USDT2 */ |
5431 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5432 (uint32_t) JNI_ERR); | |
5433 #endif /* USDT2 */ | |
0 | 5434 // Can't detach a thread that's running java, that can't work. |
5435 return JNI_ERR; | |
5436 } | |
5437 | |
5438 // Safepoint support. Have to do call-back to safepoint code, if in the | |
5439 // middel of a safepoint operation | |
5440 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5441 | |
5442 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
5443 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
5444 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
5445 // of the guards is visible in jni_AttachCurrentThread above, | |
5446 // the removal of the guards is buried below in JavaThread::exit() | |
5447 // here. The abstraction should be more symmetrically either exposed | |
5448 // or hidden (e.g. it could probably be hidden in the same | |
5449 // (platform-dependent) methods where we do alternate stack | |
5450 // maintenance work?) | |
5451 thread->exit(false, JavaThread::jni_detach); | |
5452 delete thread; | |
5453 | |
4006 | 5454 #ifndef USDT2 |
0 | 5455 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5456 #else /* USDT2 */ |
5457 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5458 JNI_OK); | |
5459 #endif /* USDT2 */ | |
0 | 5460 return JNI_OK; |
5461 } | |
5462 | |
4006 | 5463 #ifndef USDT2 |
0 | 5464 DT_RETURN_MARK_DECL(GetEnv, jint); |
4006 | 5465 #else /* USDT2 */ |
5466 DT_RETURN_MARK_DECL(GetEnv, jint | |
5467 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
5468 #endif /* USDT2 */ | |
0 | 5469 |
5470 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
4006 | 5471 #ifndef USDT2 |
0 | 5472 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
4006 | 5473 #else /* USDT2 */ |
5474 HOTSPOT_JNI_GETENV_ENTRY( | |
5475 vm, penv, version); | |
5476 #endif /* USDT2 */ | |
0 | 5477 jint ret = JNI_ERR; |
5478 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
5479 | |
5480 if (!vm_created) { | |
5481 *penv = NULL; | |
5482 ret = JNI_EDETACHED; | |
5483 return ret; | |
5484 } | |
5485 | |
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5486 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
0 | 5487 return ret; |
5488 } | |
5489 | |
5490 #ifndef JVMPI_VERSION_1 | |
5491 // need these in order to be polite about older agents | |
5492 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
5493 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
5494 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
5495 #endif // !JVMPI_VERSION_1 | |
5496 | |
5497 Thread* thread = ThreadLocalStorage::thread(); | |
5498 if (thread != NULL && thread->is_Java_thread()) { | |
5499 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
5500 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
5501 ret = JNI_OK; | |
5502 return ret; | |
5503 | |
5504 } else if (version == JVMPI_VERSION_1 || | |
5505 version == JVMPI_VERSION_1_1 || | |
5506 version == JVMPI_VERSION_1_2) { | |
5507 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
5508 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5509 ret = JNI_EVERSION; | |
5510 return ret; | |
5511 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
5512 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
5513 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5514 ret = JNI_EVERSION; | |
5515 return ret; | |
5516 } else { | |
5517 *penv = NULL; | |
5518 ret = JNI_EVERSION; | |
5519 return ret; | |
5520 } | |
5521 } else { | |
5522 *penv = NULL; | |
5523 ret = JNI_EDETACHED; | |
5524 return ret; | |
5525 } | |
5526 } | |
5527 | |
5528 | |
5529 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5530 #ifndef USDT2 |
0 | 5531 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
4006 | 5532 #else /* USDT2 */ |
5533 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
5534 vm, penv, _args); | |
5535 #endif /* USDT2 */ | |
0 | 5536 if (!vm_created) { |
4006 | 5537 #ifndef USDT2 |
0 | 5538 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
4006 | 5539 #else /* USDT2 */ |
5540 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5541 (uint32_t) JNI_ERR); | |
5542 #endif /* USDT2 */ | |
0 | 5543 return JNI_ERR; |
5544 } | |
5545 | |
5546 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
5547 jint ret = attach_current_thread(vm, penv, _args, true); | |
4006 | 5548 #ifndef USDT2 |
0 | 5549 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
4006 | 5550 #else /* USDT2 */ |
5551 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5552 ret); | |
5553 #endif /* USDT2 */ | |
0 | 5554 return ret; |
5555 } | |
5556 | |
5557 | |
5558 } // End extern "C" | |
5559 | |
5560 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
5561 NULL, | |
5562 NULL, | |
5563 NULL, | |
5564 | |
5565 jni_DestroyJavaVM, | |
5566 jni_AttachCurrentThread, | |
5567 jni_DetachCurrentThread, | |
5568 jni_GetEnv, | |
5569 jni_AttachCurrentThreadAsDaemon | |
5570 }; |