Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 11141:862625d214fa
Merge
author | fparain |
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date | Mon, 15 Jul 2013 00:23:48 -0700 |
parents | 59b052799158 |
children | 6b0fd0964b87 faf2631b9334 4c84d351cca9 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2012 Red Hat, Inc. |
0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
0 | 23 * |
24 */ | |
25 | |
1972 | 26 #include "precompiled.hpp" |
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27 #include "ci/ciReplay.hpp" |
6162 | 28 #include "classfile/altHashing.hpp" |
1972 | 29 #include "classfile/classLoader.hpp" |
30 #include "classfile/javaClasses.hpp" | |
31 #include "classfile/symbolTable.hpp" | |
32 #include "classfile/systemDictionary.hpp" | |
33 #include "classfile/vmSymbols.hpp" | |
34 #include "interpreter/linkResolver.hpp" | |
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35 #include "utilities/macros.hpp" |
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36 #if INCLUDE_ALL_GCS |
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37 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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38 #endif // INCLUDE_ALL_GCS |
6197 | 39 #include "memory/allocation.hpp" |
1972 | 40 #include "memory/allocation.inline.hpp" |
41 #include "memory/gcLocker.inline.hpp" | |
42 #include "memory/oopFactory.hpp" | |
43 #include "memory/universe.inline.hpp" | |
44 #include "oops/instanceKlass.hpp" | |
45 #include "oops/instanceOop.hpp" | |
46 #include "oops/markOop.hpp" | |
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47 #include "oops/method.hpp" |
1972 | 48 #include "oops/objArrayKlass.hpp" |
49 #include "oops/objArrayOop.hpp" | |
50 #include "oops/oop.inline.hpp" | |
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51 #include "oops/symbol.hpp" |
1972 | 52 #include "oops/typeArrayKlass.hpp" |
53 #include "oops/typeArrayOop.hpp" | |
54 #include "prims/jni.h" | |
55 #include "prims/jniCheck.hpp" | |
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56 #include "prims/jniExport.hpp" |
1972 | 57 #include "prims/jniFastGetField.hpp" |
58 #include "prims/jvm.h" | |
59 #include "prims/jvm_misc.hpp" | |
60 #include "prims/jvmtiExport.hpp" | |
61 #include "prims/jvmtiThreadState.hpp" | |
62 #include "runtime/compilationPolicy.hpp" | |
63 #include "runtime/fieldDescriptor.hpp" | |
64 #include "runtime/fprofiler.hpp" | |
65 #include "runtime/handles.inline.hpp" | |
66 #include "runtime/interfaceSupport.hpp" | |
67 #include "runtime/java.hpp" | |
68 #include "runtime/javaCalls.hpp" | |
69 #include "runtime/jfieldIDWorkaround.hpp" | |
70 #include "runtime/reflection.hpp" | |
71 #include "runtime/sharedRuntime.hpp" | |
72 #include "runtime/signature.hpp" | |
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73 #include "runtime/thread.inline.hpp" |
1972 | 74 #include "runtime/vm_operations.hpp" |
75 #include "services/runtimeService.hpp" | |
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76 #include "trace/tracing.hpp" |
1972 | 77 #include "utilities/defaultStream.hpp" |
78 #include "utilities/dtrace.hpp" | |
79 #include "utilities/events.hpp" | |
80 #include "utilities/histogram.hpp" | |
81 #ifdef TARGET_OS_FAMILY_linux | |
82 # include "os_linux.inline.hpp" | |
83 #endif | |
84 #ifdef TARGET_OS_FAMILY_solaris | |
85 # include "os_solaris.inline.hpp" | |
86 #endif | |
87 #ifdef TARGET_OS_FAMILY_windows | |
88 # include "os_windows.inline.hpp" | |
89 #endif | |
3960 | 90 #ifdef TARGET_OS_FAMILY_bsd |
91 # include "os_bsd.inline.hpp" | |
92 #endif | |
0 | 93 |
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94 static jint CurrentVersion = JNI_VERSION_1_8; |
0 | 95 |
96 | |
97 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
98 // '-return' probe regardless of the return path is taken out of the function. | |
99 // Methods that have multiple return paths use this to avoid having to | |
100 // instrument each return path. Methods that use CHECK or THROW must use this | |
101 // since those macros can cause an immedate uninstrumented return. | |
102 // | |
103 // In order to get the return value, a reference to the variable containing | |
104 // the return value must be passed to the contructor of the object, and | |
105 // the return value must be set before return (since the mark object has | |
106 // a reference to it). | |
107 // | |
108 // Example: | |
109 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
110 // JNI_ENTRY(int, SomeFunc, ...) | |
111 // int return_value = 0; | |
112 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
113 // foo(CHECK_0) | |
114 // return_value = 5; | |
115 // return return_value; | |
116 // JNI_END | |
4006 | 117 #ifndef USDT2 |
0 | 118 #define DT_RETURN_MARK_DECL(name, type) \ |
119 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
120 DTRACE_ONLY( \ | |
121 class DTraceReturnProbeMark_##name { \ | |
122 public: \ | |
123 const type& _ret_ref; \ | |
124 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
125 ~DTraceReturnProbeMark_##name() { \ | |
126 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
127 } \ | |
128 } \ | |
129 ) | |
130 // Void functions are simpler since there's no return value | |
131 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
132 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
133 DTRACE_ONLY( \ | |
134 class DTraceReturnProbeMark_##name { \ | |
135 public: \ | |
136 ~DTraceReturnProbeMark_##name() { \ | |
137 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
138 } \ | |
139 } \ | |
140 ) | |
141 | |
4006 | 142 #else /* USDT2 */ |
143 | |
144 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
145 DTRACE_ONLY( \ | |
146 class DTraceReturnProbeMark_##name { \ | |
147 public: \ | |
148 const type& _ret_ref; \ | |
149 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
150 ~DTraceReturnProbeMark_##name() { \ | |
151 probe; \ | |
152 } \ | |
153 } \ | |
154 ) | |
155 // Void functions are simpler since there's no return value | |
156 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
157 DTRACE_ONLY( \ | |
158 class DTraceReturnProbeMark_##name { \ | |
159 public: \ | |
160 ~DTraceReturnProbeMark_##name() { \ | |
161 probe; \ | |
162 } \ | |
163 } \ | |
164 ) | |
165 #endif /* USDT2 */ | |
0 | 166 |
167 // Place these macros in the function to mark the return. Non-void | |
168 // functions need the type and address of the return value. | |
169 #define DT_RETURN_MARK(name, type, ref) \ | |
170 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
171 #define DT_VOID_RETURN_MARK(name) \ | |
172 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
173 | |
174 | |
175 // Use these to select distinct code for floating-point vs. non-floating point | |
176 // situations. Used from within common macros where we need slightly | |
177 // different behavior for Float/Double | |
178 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
179 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
180 #define FP_SELECT_Char(intcode, fpcode) intcode | |
181 #define FP_SELECT_Short(intcode, fpcode) intcode | |
182 #define FP_SELECT_Object(intcode, fpcode) intcode | |
183 #define FP_SELECT_Int(intcode, fpcode) intcode | |
184 #define FP_SELECT_Long(intcode, fpcode) intcode | |
185 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
186 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
187 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
188 FP_SELECT_##TypeName(intcode, fpcode) | |
189 | |
190 #define COMMA , | |
191 | |
192 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
193 // (dtrace doesn't do FP yet) | |
4006 | 194 #ifndef USDT2 |
0 | 195 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
196 FP_SELECT(TypeName, \ | |
197 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
4006 | 198 #else /* USDT2 */ |
199 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
200 FP_SELECT(TypeName, \ | |
201 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
202 #endif /* USDT2 */ | |
0 | 203 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
204 FP_SELECT(TypeName, \ | |
205 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
206 | |
207 | |
208 // out-of-line helpers for class jfieldIDWorkaround: | |
209 | |
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210 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
0 | 211 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
212 uintptr_t as_uint = (uintptr_t) id; | |
213 intptr_t offset = raw_instance_offset(id); | |
214 if (is_checked_jfieldID(id)) { | |
215 if (!klass_hash_ok(k, id)) { | |
216 return false; | |
217 } | |
218 } | |
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219 return InstanceKlass::cast(k)->contains_field_offset(offset); |
0 | 220 } else { |
221 JNIid* result = (JNIid*) id; | |
222 #ifdef ASSERT | |
223 return result != NULL && result->is_static_field_id(); | |
224 #else | |
225 return result != NULL; | |
226 #endif | |
227 } | |
228 } | |
229 | |
230 | |
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231 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
0 | 232 if (offset <= small_offset_mask) { |
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233 Klass* field_klass = k; |
6983 | 234 Klass* super_klass = field_klass->super(); |
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235 // With compressed oops the most super class with nonstatic fields would |
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236 // be the owner of fields embedded in the header. |
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237 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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238 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
0 | 239 field_klass = super_klass; // super contains the field also |
6983 | 240 super_klass = field_klass->super(); |
0 | 241 } |
242 debug_only(No_Safepoint_Verifier nosafepoint;) | |
243 uintptr_t klass_hash = field_klass->identity_hash(); | |
244 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
245 } else { | |
246 #if 0 | |
247 #ifndef PRODUCT | |
248 { | |
249 ResourceMark rm; | |
6983 | 250 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
0 | 251 } |
252 #endif | |
253 #endif | |
254 return 0; | |
255 } | |
256 } | |
257 | |
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258 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
0 | 259 uintptr_t as_uint = (uintptr_t) id; |
260 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
261 do { | |
262 debug_only(No_Safepoint_Verifier nosafepoint;) | |
263 // Could use a non-blocking query for identity_hash here... | |
264 if ((k->identity_hash() & klass_mask) == klass_hash) | |
265 return true; | |
6983 | 266 k = k->super(); |
0 | 267 } while (k != NULL); |
268 return false; | |
269 } | |
270 | |
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271 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
0 | 272 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
273 uintptr_t as_uint = (uintptr_t) id; | |
274 intptr_t offset = raw_instance_offset(id); | |
275 if (VerifyJNIFields) { | |
276 if (is_checked_jfieldID(id)) { | |
277 guarantee(klass_hash_ok(k, id), | |
278 "Bug in native code: jfieldID class must match object"); | |
279 } else { | |
280 #if 0 | |
281 #ifndef PRODUCT | |
282 if (Verbose) { | |
283 ResourceMark rm; | |
6983 | 284 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
0 | 285 } |
286 #endif | |
287 #endif | |
288 } | |
289 } | |
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290 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
0 | 291 "Bug in native code: jfieldID offset must address interior of object"); |
292 } | |
293 | |
294 // Pick a reasonable higher bound for local capacity requested | |
295 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
296 // high because a test (or very unusual application) may try to allocate | |
297 // that many handles and run out of swap space. An implementation is | |
298 // permitted to allocate more handles than the ensured capacity, so this | |
299 // value is set high enough to prevent compatibility problems. | |
300 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
301 | |
302 | |
303 // Wrapper to trace JNI functions | |
304 | |
305 #ifdef ASSERT | |
306 Histogram* JNIHistogram; | |
307 static volatile jint JNIHistogram_lock = 0; | |
308 | |
309 class JNITraceWrapper : public StackObj { | |
310 public: | |
311 JNITraceWrapper(const char* format, ...) { | |
312 if (TraceJNICalls) { | |
313 va_list ap; | |
314 va_start(ap, format); | |
315 tty->print("JNI "); | |
316 tty->vprint_cr(format, ap); | |
317 va_end(ap); | |
318 } | |
319 } | |
320 }; | |
321 | |
322 class JNIHistogramElement : public HistogramElement { | |
323 public: | |
324 JNIHistogramElement(const char* name); | |
325 }; | |
326 | |
327 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
328 _name = elementName; | |
329 uintx count = 0; | |
330 | |
331 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
332 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
333 count +=1; | |
334 if ( (WarnOnStalledSpinLock > 0) | |
335 && (count % WarnOnStalledSpinLock == 0)) { | |
336 warning("JNIHistogram_lock seems to be stalled"); | |
337 } | |
338 } | |
339 } | |
340 | |
341 | |
342 if(JNIHistogram == NULL) | |
343 JNIHistogram = new Histogram("JNI Call Counts",100); | |
344 | |
345 JNIHistogram->add_element(this); | |
346 Atomic::dec(&JNIHistogram_lock); | |
347 } | |
348 | |
349 #define JNICountWrapper(arg) \ | |
350 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
351 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
352 if (e != NULL) e->increment_count() | |
353 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
354 #else | |
355 #define JNIWrapper(arg) | |
356 #endif | |
357 | |
358 | |
359 // Implementation of JNI entries | |
360 | |
4006 | 361 #ifndef USDT2 |
0 | 362 DT_RETURN_MARK_DECL(DefineClass, jclass); |
4006 | 363 #else /* USDT2 */ |
364 DT_RETURN_MARK_DECL(DefineClass, jclass | |
365 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
366 #endif /* USDT2 */ | |
0 | 367 |
368 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
369 const jbyte *buf, jsize bufLen)) | |
370 JNIWrapper("DefineClass"); | |
371 | |
4006 | 372 #ifndef USDT2 |
0 | 373 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
374 env, name, loaderRef, buf, bufLen); | |
4006 | 375 #else /* USDT2 */ |
376 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
377 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
378 #endif /* USDT2 */ | |
0 | 379 jclass cls = NULL; |
380 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
381 | |
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382 TempNewSymbol class_name = NULL; |
0 | 383 // Since exceptions can be thrown, class initialization can take place |
384 // if name is NULL no check for class name in .class stream has to be made. | |
385 if (name != NULL) { | |
386 const int str_len = (int)strlen(name); | |
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387 if (str_len > Symbol::max_length()) { |
0 | 388 // It's impossible to create this class; the name cannot fit |
389 // into the constant pool. | |
390 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
391 } | |
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392 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 393 } |
394 ResourceMark rm(THREAD); | |
395 ClassFileStream st((u1*) buf, bufLen, NULL); | |
396 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
397 | |
398 if (UsePerfData && !class_loader.is_null()) { | |
399 // check whether the current caller thread holds the lock or not. | |
400 // If not, increment the corresponding counter | |
401 if (ObjectSynchronizer:: | |
402 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
403 ObjectSynchronizer::owner_self) { | |
404 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
405 } | |
406 } | |
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407 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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408 Handle(), &st, true, |
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409 CHECK_NULL); |
0 | 410 |
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411 if (TraceClassResolution && k != NULL) { |
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412 trace_class_resolution(k); |
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413 } |
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414 |
0 | 415 cls = (jclass)JNIHandles::make_local( |
6983 | 416 env, k->java_mirror()); |
0 | 417 return cls; |
418 JNI_END | |
419 | |
420 | |
421 | |
422 static bool first_time_FindClass = true; | |
423 | |
4006 | 424 #ifndef USDT2 |
0 | 425 DT_RETURN_MARK_DECL(FindClass, jclass); |
4006 | 426 #else /* USDT2 */ |
427 DT_RETURN_MARK_DECL(FindClass, jclass | |
428 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
429 #endif /* USDT2 */ | |
0 | 430 |
431 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
432 JNIWrapper("FindClass"); | |
4006 | 433 #ifndef USDT2 |
0 | 434 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
4006 | 435 #else /* USDT2 */ |
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 | |
657
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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 |
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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 | |
1292 | |
1293 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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1294 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 1295 |
1296 // Create object to hold arguments for the JavaCall, and associate it with | |
1297 // the jni parser | |
1298 ResourceMark rm(THREAD); | |
1299 int number_of_parameters = method->size_of_parameters(); | |
1300 JavaCallArguments java_args(number_of_parameters); | |
1301 args->set_java_argument_object(&java_args); | |
1302 | |
1303 assert(method->is_static(), "method should be static"); | |
1304 | |
1305 // Fill out JavaCallArguments object | |
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1306 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1307 // Initialize result type |
1308 result->set_type(args->get_ret_type()); | |
1309 | |
1310 // Invoke the method. Result is returned as oop. | |
1311 JavaCalls::call(result, method, &java_args, CHECK); | |
1312 | |
1313 // Convert result | |
1314 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1315 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1316 } | |
1317 } | |
1318 | |
1319 | |
1320 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1321 oop recv = JNIHandles::resolve(receiver); | |
1322 if (recv == NULL) { | |
1323 THROW(vmSymbols::java_lang_NullPointerException()); | |
1324 } | |
1325 Handle h_recv(THREAD, recv); | |
1326 | |
1327 int number_of_parameters; | |
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1328 Method* selected_method; |
0 | 1329 { |
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1330 Method* m = Method::resolve_jmethod_id(method_id); |
0 | 1331 number_of_parameters = m->size_of_parameters(); |
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1332 Klass* holder = m->method_holder(); |
6983 | 1333 if (!(holder)->is_interface()) { |
0 | 1334 // non-interface call -- for that little speed boost, don't handlize |
1335 debug_only(No_Safepoint_Verifier nosafepoint;) | |
1336 if (call_type == JNI_VIRTUAL) { | |
1337 // jni_GetMethodID makes sure class is linked and initialized | |
1338 // so m should have a valid vtable index. | |
1339 int vtbl_index = m->vtable_index(); | |
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1340 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1341 Klass* k = h_recv->klass(); |
0 | 1342 // k might be an arrayKlassOop but all vtables start at |
1343 // the same place. The cast is to avoid virtual call and assertion. | |
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1344 InstanceKlass *ik = (InstanceKlass*)k; |
0 | 1345 selected_method = ik->method_at_vtable(vtbl_index); |
1346 } else { | |
1347 // final method | |
1348 selected_method = m; | |
1349 } | |
1350 } else { | |
1351 // JNI_NONVIRTUAL call | |
1352 selected_method = m; | |
1353 } | |
1354 } else { | |
1355 // interface call | |
1356 KlassHandle h_holder(THREAD, holder); | |
1357 | |
1358 int itbl_index = m->cached_itable_index(); | |
1359 if (itbl_index == -1) { | |
1360 itbl_index = klassItable::compute_itable_index(m); | |
1361 m->set_cached_itable_index(itbl_index); | |
1362 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
1363 } | |
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1364 Klass* k = h_recv->klass(); |
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1365 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
0 | 1366 } |
1367 } | |
1368 | |
1369 methodHandle method(THREAD, selected_method); | |
1370 | |
1371 // Create object to hold arguments for the JavaCall, and associate it with | |
1372 // the jni parser | |
1373 ResourceMark rm(THREAD); | |
1374 JavaCallArguments java_args(number_of_parameters); | |
1375 args->set_java_argument_object(&java_args); | |
1376 | |
1377 // handle arguments | |
1378 assert(!method->is_static(), "method should not be static"); | |
1379 args->push_receiver(h_recv); // Push jobject handle | |
1380 | |
1381 // Fill out JavaCallArguments object | |
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1382 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1383 // Initialize result type |
1384 result->set_type(args->get_ret_type()); | |
1385 | |
1386 // Invoke the method. Result is returned as oop. | |
1387 JavaCalls::call(result, method, &java_args, CHECK); | |
1388 | |
1389 // Convert result | |
1390 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1391 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1392 } | |
1393 } | |
1394 | |
1395 | |
1396 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1397 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
6983 | 1398 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1399 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1400 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
0 | 1401 return ih; |
1402 } | |
1403 | |
4006 | 1404 #ifndef USDT2 |
0 | 1405 DT_RETURN_MARK_DECL(AllocObject, jobject); |
4006 | 1406 #else /* USDT2 */ |
1407 DT_RETURN_MARK_DECL(AllocObject, jobject | |
1408 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
1409 #endif /* USDT2 */ | |
0 | 1410 |
1411 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
1412 JNIWrapper("AllocObject"); | |
1413 | |
4006 | 1414 #ifndef USDT2 |
0 | 1415 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
4006 | 1416 #else /* USDT2 */ |
1417 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
1418 env, clazz); | |
1419 #endif /* USDT2 */ | |
0 | 1420 jobject ret = NULL; |
1421 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
1422 | |
1423 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1424 ret = JNIHandles::make_local(env, i); | |
1425 return ret; | |
1426 JNI_END | |
1427 | |
4006 | 1428 #ifndef USDT2 |
0 | 1429 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
4006 | 1430 #else /* USDT2 */ |
1431 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
1432 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
1433 #endif /* USDT2 */ | |
0 | 1434 |
1435 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
1436 JNIWrapper("NewObjectA"); | |
4006 | 1437 #ifndef USDT2 |
0 | 1438 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
4006 | 1439 #else /* USDT2 */ |
1440 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
1441 env, clazz, (uintptr_t) methodID); | |
1442 #endif /* USDT2 */ | |
0 | 1443 jobject obj = NULL; |
1444 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
1445 | |
1446 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1447 obj = JNIHandles::make_local(env, i); | |
1448 JavaValue jvalue(T_VOID); | |
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1449 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1450 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1451 return obj; | |
1452 JNI_END | |
1453 | |
4006 | 1454 #ifndef USDT2 |
0 | 1455 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
4006 | 1456 #else /* USDT2 */ |
1457 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
1458 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
1459 #endif /* USDT2 */ | |
0 | 1460 |
1461 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
1462 JNIWrapper("NewObjectV"); | |
4006 | 1463 #ifndef USDT2 |
0 | 1464 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
4006 | 1465 #else /* USDT2 */ |
1466 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
1467 env, clazz, (uintptr_t) methodID); | |
1468 #endif /* USDT2 */ | |
0 | 1469 jobject obj = NULL; |
1470 DT_RETURN_MARK(NewObjectV, 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_ArgumentPusherVaArg 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(NewObject, jobject); |
4006 | 1482 #else /* USDT2 */ |
1483 DT_RETURN_MARK_DECL(NewObject, jobject | |
1484 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
1485 #endif /* USDT2 */ | |
0 | 1486 |
1487 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
1488 JNIWrapper("NewObject"); | |
4006 | 1489 #ifndef USDT2 |
0 | 1490 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
4006 | 1491 #else /* USDT2 */ |
1492 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
1493 env, clazz, (uintptr_t) methodID); | |
1494 #endif /* USDT2 */ | |
0 | 1495 jobject obj = NULL; |
1496 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
1497 | |
1498 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1499 obj = JNIHandles::make_local(env, i); | |
1500 va_list args; | |
1501 va_start(args, methodID); | |
1502 JavaValue jvalue(T_VOID); | |
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1503 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1504 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1505 va_end(args); | |
1506 return obj; | |
1507 JNI_END | |
1508 | |
1509 | |
1510 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
1511 JNIWrapper("GetObjectClass"); | |
4006 | 1512 #ifndef USDT2 |
0 | 1513 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
4006 | 1514 #else /* USDT2 */ |
1515 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
1516 env, obj); | |
1517 #endif /* USDT2 */ | |
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1518 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
0 | 1519 jclass ret = |
6983 | 1520 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
4006 | 1521 #ifndef USDT2 |
0 | 1522 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
4006 | 1523 #else /* USDT2 */ |
1524 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
1525 ret); | |
1526 #endif /* USDT2 */ | |
0 | 1527 return ret; |
1528 JNI_END | |
1529 | |
1530 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
1531 JNIWrapper("IsInstanceOf"); | |
4006 | 1532 #ifndef USDT2 |
0 | 1533 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
4006 | 1534 #else /* USDT2 */ |
1535 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
1536 env, obj, clazz); | |
1537 #endif /* USDT2 */ | |
0 | 1538 jboolean ret = JNI_TRUE; |
1539 if (obj != NULL) { | |
1540 ret = JNI_FALSE; | |
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1541 Klass* k = java_lang_Class::as_Klass( |
0 | 1542 JNIHandles::resolve_non_null(clazz)); |
1543 if (k != NULL) { | |
1544 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
1545 } | |
1546 } | |
4006 | 1547 #ifndef USDT2 |
0 | 1548 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
4006 | 1549 #else /* USDT2 */ |
1550 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
1551 ret); | |
1552 #endif /* USDT2 */ | |
0 | 1553 return ret; |
1554 JNI_END | |
1555 | |
1556 | |
1557 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
1558 const char *sig, bool is_static, TRAPS) { | |
1559 // %%%% This code should probably just call into a method in the LinkResolver | |
1560 // | |
1561 // The class should have been loaded (we have an instance of the class | |
1562 // passed in) so the method and signature should already be in the symbol | |
1563 // table. If they're not there, the method doesn't exist. | |
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1564 const char *name_to_probe = (name_str == NULL) |
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1565 ? vmSymbols::object_initializer_name()->as_C_string() |
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1566 : name_str; |
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1567 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1568 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1569 |
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1570 if (name == NULL || signature == NULL) { |
0 | 1571 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
1572 } | |
1573 | |
1574 // Throw a NoSuchMethodError exception if we have an instance of a | |
1575 // primitive java.lang.Class | |
1576 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
1577 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1578 } | |
1579 | |
1580 KlassHandle klass(THREAD, | |
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1581 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 1582 |
1583 // Make sure class is linked and initialized before handing id's out to | |
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1584 // Method*s. |
6983 | 1585 klass()->initialize(CHECK_NULL); |
0 | 1586 |
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1587 Method* m; |
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1588 if (name == vmSymbols::object_initializer_name() || |
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1589 name == vmSymbols::class_initializer_name()) { |
0 | 1590 // Never search superclasses for constructors |
1591 if (klass->oop_is_instance()) { | |
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1592 m = InstanceKlass::cast(klass())->find_method(name, signature); |
0 | 1593 } else { |
1594 m = NULL; | |
1595 } | |
1596 } else { | |
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1597 m = klass->lookup_method(name, signature); |
0 | 1598 // Look up interfaces |
1599 if (m == NULL && klass->oop_is_instance()) { | |
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1600 m = InstanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1601 signature); |
0 | 1602 } |
1603 } | |
1604 if (m == NULL || (m->is_static() != is_static)) { | |
1605 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1606 } | |
1607 return m->jmethod_id(); | |
1608 } | |
1609 | |
1610 | |
1611 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
1612 const char *name, const char *sig)) | |
1613 JNIWrapper("GetMethodID"); | |
4006 | 1614 #ifndef USDT2 |
0 | 1615 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
4006 | 1616 #else /* USDT2 */ |
1617 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
1618 env, clazz, (char *) name, (char *) sig); | |
1619 #endif /* USDT2 */ | |
0 | 1620 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
4006 | 1621 #ifndef USDT2 |
0 | 1622 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
4006 | 1623 #else /* USDT2 */ |
1624 HOTSPOT_JNI_GETMETHODID_RETURN( | |
1625 (uintptr_t) ret); | |
1626 #endif /* USDT2 */ | |
0 | 1627 return ret; |
1628 JNI_END | |
1629 | |
1630 | |
1631 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
1632 const char *name, const char *sig)) | |
1633 JNIWrapper("GetStaticMethodID"); | |
4006 | 1634 #ifndef USDT2 |
0 | 1635 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
4006 | 1636 #else /* USDT2 */ |
1637 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
1638 env, (char *) clazz, (char *) name, (char *)sig); | |
1639 #endif /* USDT2 */ | |
0 | 1640 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
4006 | 1641 #ifndef USDT2 |
0 | 1642 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
4006 | 1643 #else /* USDT2 */ |
1644 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
1645 (uintptr_t) ret); | |
1646 #endif /* USDT2 */ | |
0 | 1647 return ret; |
1648 JNI_END | |
1649 | |
1650 | |
1651 | |
1652 // | |
1653 // Calling Methods | |
1654 // | |
1655 | |
4006 | 1656 #ifndef USDT2 |
0 | 1657 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
1658 \ | |
1659 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
1660 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
1661 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
1662 \ | |
1663 JNI_ENTRY(ResultType, \ | |
1664 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1665 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1666 \ | |
4006 | 1667 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
0 | 1668 ResultType ret = 0;\ |
1669 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1670 (const ResultType&)ret);\ | |
1671 \ | |
1672 va_list args; \ | |
1673 va_start(args, methodID); \ | |
1674 JavaValue jvalue(Tag); \ | |
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1675 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1676 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1677 va_end(args); \ | |
1678 ret = jvalue.get_##ResultType(); \ | |
1679 return ret;\ | |
1680 JNI_END \ | |
1681 \ | |
1682 \ | |
1683 JNI_ENTRY(ResultType, \ | |
1684 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1685 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1686 \ | |
4006 | 1687 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
0 | 1688 ResultType ret = 0;\ |
1689 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1690 (const ResultType&)ret);\ | |
1691 \ | |
1692 JavaValue jvalue(Tag); \ | |
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1693 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1694 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1695 ret = jvalue.get_##ResultType(); \ | |
1696 return ret;\ | |
1697 JNI_END \ | |
1698 \ | |
1699 \ | |
1700 JNI_ENTRY(ResultType, \ | |
1701 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1702 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
4006 | 1703 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
0 | 1704 ResultType ret = 0;\ |
1705 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1706 (const ResultType&)ret);\ | |
1707 \ | |
1708 JavaValue jvalue(Tag); \ | |
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1709 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 1710 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
1711 ret = jvalue.get_##ResultType(); \ | |
1712 return ret;\ | |
1713 JNI_END | |
1714 | |
1715 // the runtime type of subword integral basic types is integer | |
1716 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
1717 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
1718 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
1719 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
1720 | |
1721 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
1722 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
1723 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
1724 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
1725 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
1726 | |
1727 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
1728 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
1729 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
1730 | |
4006 | 1731 #else /* USDT2 */ |
1732 | |
1733 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
1734 , EntryProbe, ReturnProbe) \ | |
1735 \ | |
1736 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
1737 , ReturnProbe); \ | |
1738 \ | |
1739 JNI_ENTRY(ResultType, \ | |
1740 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1741 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1742 \ | |
1743 EntryProbe; \ | |
1744 ResultType ret = 0;\ | |
1745 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1746 (const ResultType&)ret);\ | |
1747 \ | |
1748 va_list args; \ | |
1749 va_start(args, methodID); \ | |
1750 JavaValue jvalue(Tag); \ | |
1751 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1752 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1753 va_end(args); \ | |
1754 ret = jvalue.get_##ResultType(); \ | |
1755 return ret;\ | |
1756 JNI_END | |
1757 | |
1758 // the runtime type of subword integral basic types is integer | |
1759 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
1760 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1761 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1762 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
1763 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1764 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1765 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
1766 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1767 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1768 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
1769 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1770 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1771 | |
1772 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
1773 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1774 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1775 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
1776 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1777 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1778 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
1779 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1780 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1781 // Float and double probes don't return value because dtrace doesn't currently support it | |
1782 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
1783 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1784 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1785 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
1786 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1787 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1788 | |
1789 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
1790 , EntryProbe, ReturnProbe) \ | |
1791 \ | |
1792 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
1793 , ReturnProbe); \ | |
1794 \ | |
1795 JNI_ENTRY(ResultType, \ | |
1796 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1797 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1798 \ | |
1799 EntryProbe;\ | |
1800 ResultType ret = 0;\ | |
1801 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1802 (const ResultType&)ret);\ | |
1803 \ | |
1804 JavaValue jvalue(Tag); \ | |
1805 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1806 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1807 ret = jvalue.get_##ResultType(); \ | |
1808 return ret;\ | |
1809 JNI_END | |
1810 | |
1811 // the runtime type of subword integral basic types is integer | |
1812 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
1813 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1814 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1815 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
1816 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1817 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1818 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
1819 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1820 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1821 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
1822 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1823 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1824 | |
1825 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
1826 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1827 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1828 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
1829 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1830 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1831 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
1832 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1833 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1834 // Float and double probes don't return value because dtrace doesn't currently support it | |
1835 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
1836 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1837 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1838 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
1839 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1840 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1841 | |
1842 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
1843 , EntryProbe, ReturnProbe) \ | |
1844 \ | |
1845 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
1846 , ReturnProbe); \ | |
1847 \ | |
1848 JNI_ENTRY(ResultType, \ | |
1849 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1850 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
1851 EntryProbe; \ | |
1852 ResultType ret = 0;\ | |
1853 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1854 (const ResultType&)ret);\ | |
1855 \ | |
1856 JavaValue jvalue(Tag); \ | |
1857 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1858 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1859 ret = jvalue.get_##ResultType(); \ | |
1860 return ret;\ | |
1861 JNI_END | |
1862 | |
1863 // the runtime type of subword integral basic types is integer | |
1864 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
1865 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1866 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1867 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
1868 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1869 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1870 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
1871 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1872 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1873 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
1874 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1875 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1876 | |
1877 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
1878 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1879 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1880 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
1881 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1882 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1883 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
1884 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1885 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1886 // Float and double probes don't return value because dtrace doesn't currently support it | |
1887 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
1888 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1889 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1890 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
1891 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1892 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1893 | |
1894 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
1895 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
1896 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
1897 | |
1898 #endif /* USDT2 */ | |
1899 | |
0 | 1900 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
1901 JNIWrapper("CallVoidMethod"); | |
4006 | 1902 #ifndef USDT2 |
0 | 1903 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
4006 | 1904 #else /* USDT2 */ |
1905 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
1906 env, obj, (uintptr_t) methodID); | |
1907 #endif /* USDT2 */ | |
0 | 1908 DT_VOID_RETURN_MARK(CallVoidMethod); |
1909 | |
1910 va_list args; | |
1911 va_start(args, methodID); | |
1912 JavaValue jvalue(T_VOID); | |
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1913 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1914 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1915 va_end(args); | |
1916 JNI_END | |
1917 | |
1918 | |
1919 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
1920 JNIWrapper("CallVoidMethodV"); | |
4006 | 1921 #ifndef USDT2 |
0 | 1922 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
4006 | 1923 #else /* USDT2 */ |
1924 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
1925 env, obj, (uintptr_t) methodID); | |
1926 #endif /* USDT2 */ | |
0 | 1927 DT_VOID_RETURN_MARK(CallVoidMethodV); |
1928 | |
1929 JavaValue jvalue(T_VOID); | |
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1930 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1931 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1932 JNI_END | |
1933 | |
1934 | |
1935 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
1936 JNIWrapper("CallVoidMethodA"); | |
4006 | 1937 #ifndef USDT2 |
0 | 1938 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
4006 | 1939 #else /* USDT2 */ |
1940 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
1941 env, obj, (uintptr_t) methodID); | |
1942 #endif /* USDT2 */ | |
0 | 1943 DT_VOID_RETURN_MARK(CallVoidMethodA); |
1944 | |
1945 JavaValue jvalue(T_VOID); | |
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1946 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1947 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1948 JNI_END | |
1949 | |
1950 | |
4006 | 1951 #ifndef USDT2 |
0 | 1952 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
1953 \ | |
1954 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
1955 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
1956 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
1957 \ | |
1958 JNI_ENTRY(ResultType, \ | |
1959 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
1960 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
1961 \ | |
1962 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
1963 ResultType ret;\ | |
1964 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
1965 (const ResultType&)ret);\ | |
1966 \ | |
1967 va_list args; \ | |
1968 va_start(args, methodID); \ | |
1969 JavaValue jvalue(Tag); \ | |
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1970 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1971 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1972 va_end(args); \ | |
1973 ret = jvalue.get_##ResultType(); \ | |
1974 return ret;\ | |
1975 JNI_END \ | |
1976 \ | |
1977 JNI_ENTRY(ResultType, \ | |
1978 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
1979 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
1980 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
1981 ResultType ret;\ | |
1982 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
1983 (const ResultType&)ret);\ | |
1984 \ | |
1985 JavaValue jvalue(Tag); \ | |
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1986 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 1987 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
1988 ret = jvalue.get_##ResultType(); \ | |
1989 return ret;\ | |
1990 JNI_END \ | |
1991 \ | |
1992 JNI_ENTRY(ResultType, \ | |
1993 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
1994 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
1995 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
1996 ResultType ret;\ | |
1997 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
1998 (const ResultType&)ret);\ | |
1999 \ | |
2000 JavaValue jvalue(Tag); \ | |
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2001 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2002 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
2003 ret = jvalue.get_##ResultType(); \ | |
2004 return ret;\ | |
2005 JNI_END | |
2006 | |
2007 // the runtime type of subword integral basic types is integer | |
2008 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2009 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
2010 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
2011 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
2012 | |
2013 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
2014 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
2015 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
2016 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
2017 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
2018 | |
2019 | |
2020 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
2021 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
2022 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
2023 | |
4006 | 2024 #else /* USDT2 */ |
2025 | |
2026 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
2027 , EntryProbe, ReturnProbe) \ | |
2028 \ | |
2029 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
2030 , ReturnProbe);\ | |
2031 \ | |
2032 JNI_ENTRY(ResultType, \ | |
2033 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
2034 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
2035 \ | |
2036 EntryProbe;\ | |
2037 ResultType ret;\ | |
2038 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
2039 (const ResultType&)ret);\ | |
2040 \ | |
2041 va_list args; \ | |
2042 va_start(args, methodID); \ | |
2043 JavaValue jvalue(Tag); \ | |
2044 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2045 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2046 va_end(args); \ | |
2047 ret = jvalue.get_##ResultType(); \ | |
2048 return ret;\ | |
2049 JNI_END | |
2050 | |
2051 // the runtime type of subword integral basic types is integer | |
2052 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
2053 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2054 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
2055 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
2056 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2057 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
2058 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
2059 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2060 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
2061 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
2062 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2063 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
2064 | |
2065 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
2066 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2067 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
2068 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
2069 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2070 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
2071 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
2072 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2073 // Float and double probes don't return value because dtrace doesn't currently support it | |
2074 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
2075 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
2076 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2077 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
2078 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
2079 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2080 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
2081 | |
2082 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
2083 , EntryProbe, ReturnProbe) \ | |
2084 \ | |
2085 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
2086 , ReturnProbe);\ | |
2087 \ | |
2088 JNI_ENTRY(ResultType, \ | |
2089 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
2090 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
2091 \ | |
2092 EntryProbe;\ | |
2093 ResultType ret;\ | |
2094 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
2095 (const ResultType&)ret);\ | |
2096 \ | |
2097 JavaValue jvalue(Tag); \ | |
2098 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2099 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2100 ret = jvalue.get_##ResultType(); \ | |
2101 return ret;\ | |
2102 JNI_END | |
2103 | |
2104 // the runtime type of subword integral basic types is integer | |
2105 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
2106 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2107 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
2108 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
2109 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2110 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
2111 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
2112 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2113 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
2114 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
2115 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2116 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
2117 | |
2118 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
2119 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2120 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
2121 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
2122 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2123 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
2124 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
2125 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2126 // Float and double probes don't return value because dtrace doesn't currently support it | |
2127 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
2128 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
2129 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2130 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
2131 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
2132 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2133 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
2134 | |
2135 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
2136 , EntryProbe, ReturnProbe) \ | |
2137 \ | |
2138 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
2139 , ReturnProbe);\ | |
2140 \ | |
2141 JNI_ENTRY(ResultType, \ | |
2142 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2143 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
2144 \ | |
2145 EntryProbe;\ | |
2146 ResultType ret;\ | |
2147 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
2148 (const ResultType&)ret);\ | |
2149 \ | |
2150 JavaValue jvalue(Tag); \ | |
2151 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2152 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
2153 ret = jvalue.get_##ResultType(); \ | |
2154 return ret;\ | |
2155 JNI_END | |
2156 | |
2157 // the runtime type of subword integral basic types is integer | |
2158 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
2159 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2160 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
2161 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
2162 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2163 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
2164 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
2165 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2166 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
2167 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
2168 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2169 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
2170 | |
2171 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
2172 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2173 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
2174 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
2175 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2176 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
2177 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
2178 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2179 // Float and double probes don't return value because dtrace doesn't currently support it | |
2180 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
2181 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
2182 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2183 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
2184 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
2185 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
2186 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
2187 | |
2188 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
2189 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
2190 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
2191 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
2192 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
2193 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
2194 #endif /* USDT2 */ | |
2195 | |
0 | 2196 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
2197 JNIWrapper("CallNonvirtualVoidMethod"); | |
2198 | |
4006 | 2199 #ifndef USDT2 |
0 | 2200 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
2201 env, obj, cls, methodID); | |
4006 | 2202 #else /* USDT2 */ |
2203 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
2204 env, obj, cls, (uintptr_t) methodID); | |
2205 #endif /* USDT2 */ | |
0 | 2206 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
2207 | |
2208 va_list args; | |
2209 va_start(args, methodID); | |
2210 JavaValue jvalue(T_VOID); | |
2177
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2211 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2212 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2213 va_end(args); | |
2214 JNI_END | |
2215 | |
2216 | |
2217 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
2218 JNIWrapper("CallNonvirtualVoidMethodV"); | |
2219 | |
4006 | 2220 #ifndef USDT2 |
0 | 2221 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
2222 env, obj, cls, methodID); | |
4006 | 2223 #else /* USDT2 */ |
2224 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
2225 env, obj, cls, (uintptr_t) methodID); | |
2226 #endif /* USDT2 */ | |
0 | 2227 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
2228 | |
2229 JavaValue jvalue(T_VOID); | |
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2230 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2231 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2232 JNI_END | |
2233 | |
2234 | |
2235 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
2236 JNIWrapper("CallNonvirtualVoidMethodA"); | |
4006 | 2237 #ifndef USDT2 |
0 | 2238 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
2239 env, obj, cls, methodID); | |
4006 | 2240 #else /* USDT2 */ |
2241 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
2242 env, obj, cls, (uintptr_t) methodID); | |
2243 #endif /* USDT2 */ | |
0 | 2244 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
2245 JavaValue jvalue(T_VOID); | |
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2246 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2247 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
2248 JNI_END | |
2249 | |
2250 | |
4006 | 2251 #ifndef USDT2 |
0 | 2252 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
2253 \ | |
2254 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
2255 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
2256 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
2257 \ | |
2258 JNI_ENTRY(ResultType, \ | |
2259 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2260 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2261 \ | |
2262 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
2263 ResultType ret = 0;\ | |
2264 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2265 (const ResultType&)ret);\ | |
2266 \ | |
2267 va_list args; \ | |
2268 va_start(args, methodID); \ | |
2269 JavaValue jvalue(Tag); \ | |
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2270 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2271 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2272 va_end(args); \ | |
2273 ret = jvalue.get_##ResultType(); \ | |
2274 return ret;\ | |
2275 JNI_END \ | |
2276 \ | |
2277 JNI_ENTRY(ResultType, \ | |
2278 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2279 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2280 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
2281 ResultType ret = 0;\ | |
2282 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2283 (const ResultType&)ret);\ | |
2284 \ | |
2285 JavaValue jvalue(Tag); \ | |
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|
2286 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
0 | 2287 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2288 ret = jvalue.get_##ResultType(); \ | |
2289 return ret;\ | |
2290 JNI_END \ | |
2291 \ | |
2292 JNI_ENTRY(ResultType, \ | |
2293 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2294 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2295 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
2296 ResultType ret = 0;\ | |
2297 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2298 (const ResultType&)ret);\ | |
2299 \ | |
2300 JavaValue jvalue(Tag); \ | |
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|
2301 JNI_ArgumentPusherArray ap(methodID, args); \ |
0 | 2302 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2303 ret = jvalue.get_##ResultType(); \ | |
2304 return ret;\ | |
2305 JNI_END | |
2306 | |
2307 // the runtime type of subword integral basic types is integer | |
2308 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
2309 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
2310 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
2311 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
2312 | |
2313 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
2314 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
2315 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
2316 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
2317 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
2318 | |
2319 | |
2320 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
2321 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
2322 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
2323 | |
4006 | 2324 #else /* USDT2 */ |
2325 | |
2326 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
2327 , EntryProbe, ResultProbe) \ | |
2328 \ | |
2329 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
2330 , ResultProbe); \ | |
2331 \ | |
2332 JNI_ENTRY(ResultType, \ | |
2333 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
2334 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
2335 \ | |
2336 EntryProbe; \ | |
2337 ResultType ret = 0;\ | |
2338 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
2339 (const ResultType&)ret);\ | |
2340 \ | |
2341 va_list args; \ | |
2342 va_start(args, methodID); \ | |
2343 JavaValue jvalue(Tag); \ | |
2344 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2345 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2346 va_end(args); \ | |
2347 ret = jvalue.get_##ResultType(); \ | |
2348 return ret;\ | |
2349 JNI_END | |
2350 | |
2351 // the runtime type of subword integral basic types is integer | |
2352 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
2353 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2354 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
2355 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
2356 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2357 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
2358 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
2359 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2360 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
2361 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
2362 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2363 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
2364 | |
2365 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
2366 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2367 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
2368 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
2369 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2370 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
2371 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
2372 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2373 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
2374 // Float and double probes don't return value because dtrace doesn't currently support it | |
2375 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
2376 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2377 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
2378 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
2379 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
2380 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
2381 | |
2382 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
2383 , EntryProbe, ResultProbe) \ | |
2384 \ | |
2385 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
2386 , ResultProbe); \ | |
2387 \ | |
2388 JNI_ENTRY(ResultType, \ | |
2389 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
2390 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
2391 \ | |
2392 EntryProbe; \ | |
2393 ResultType ret = 0;\ | |
2394 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
2395 (const ResultType&)ret);\ | |
2396 \ | |
2397 JavaValue jvalue(Tag); \ | |
2398 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
2399 /* Make sure class is initialized before trying to invoke its method */ \ | |
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2400 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
6983 | 2401 k()->initialize(CHECK_0); \ |
4006 | 2402 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
2403 va_end(args); \ | |
2404 ret = jvalue.get_##ResultType(); \ | |
2405 return ret;\ | |
2406 JNI_END | |
2407 | |
2408 // the runtime type of subword integral basic types is integer | |
2409 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
2410 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2411 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
2412 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
2413 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2414 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
2415 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
2416 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2417 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
2418 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
2419 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2420 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
2421 | |
2422 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
2423 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2424 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
2425 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
2426 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2427 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
2428 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
2429 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2430 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
2431 // Float and double probes don't return value because dtrace doesn't currently support it | |
2432 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
2433 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2434 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
2435 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
2436 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
2437 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
2438 | |
2439 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
2440 , EntryProbe, ResultProbe) \ | |
2441 \ | |
2442 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
2443 , ResultProbe); \ | |
2444 \ | |
2445 JNI_ENTRY(ResultType, \ | |
2446 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
2447 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
2448 \ | |
2449 EntryProbe; \ | |
2450 ResultType ret = 0;\ | |
2451 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
2452 (const ResultType&)ret);\ | |
2453 \ | |
2454 JavaValue jvalue(Tag); \ | |
2455 JNI_ArgumentPusherArray ap(methodID, args); \ | |
2456 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
2457 ret = jvalue.get_##ResultType(); \ | |
2458 return ret;\ | |
2459 JNI_END | |
2460 | |
2461 // the runtime type of subword integral basic types is integer | |
2462 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
2463 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2464 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
2465 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
2466 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2467 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
2468 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
2469 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2470 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
2471 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
2472 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2473 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
2474 | |
2475 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
2476 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2477 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
2478 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
2479 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2480 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
2481 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
2482 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2483 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
2484 // Float and double probes don't return value because dtrace doesn't currently support it | |
2485 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
2486 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2487 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
2488 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
2489 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
2490 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
2491 | |
2492 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
2493 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
2494 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
2495 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
2496 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
2497 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
2498 #endif /* USDT2 */ | |
2499 | |
0 | 2500 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
2501 JNIWrapper("CallStaticVoidMethod"); | |
4006 | 2502 #ifndef USDT2 |
0 | 2503 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
4006 | 2504 #else /* USDT2 */ |
2505 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
2506 env, cls, (uintptr_t) methodID); | |
2507 #endif /* USDT2 */ | |
0 | 2508 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
2509 | |
2510 va_list args; | |
2511 va_start(args, methodID); | |
2512 JavaValue jvalue(T_VOID); | |
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2513 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2514 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2515 va_end(args); | |
2516 JNI_END | |
2517 | |
2518 | |
2519 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
2520 JNIWrapper("CallStaticVoidMethodV"); | |
4006 | 2521 #ifndef USDT2 |
0 | 2522 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
4006 | 2523 #else /* USDT2 */ |
2524 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
2525 env, cls, (uintptr_t) methodID); | |
2526 #endif /* USDT2 */ | |
0 | 2527 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
2528 | |
2529 JavaValue jvalue(T_VOID); | |
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2530 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2531 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2532 JNI_END | |
2533 | |
2534 | |
2535 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
2536 JNIWrapper("CallStaticVoidMethodA"); | |
4006 | 2537 #ifndef USDT2 |
0 | 2538 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
4006 | 2539 #else /* USDT2 */ |
2540 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
2541 env, cls, (uintptr_t) methodID); | |
2542 #endif /* USDT2 */ | |
0 | 2543 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
2544 | |
2545 JavaValue jvalue(T_VOID); | |
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2546 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2547 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2548 JNI_END | |
2549 | |
2550 | |
2551 // | |
2552 // Accessing Fields | |
2553 // | |
2554 | |
2555 | |
4006 | 2556 #ifndef USDT2 |
0 | 2557 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
4006 | 2558 #else /* USDT2 */ |
2559 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
2560 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2561 #endif /* USDT2 */ | |
0 | 2562 |
2563 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
2564 const char *name, const char *sig)) | |
2565 JNIWrapper("GetFieldID"); | |
4006 | 2566 #ifndef USDT2 |
0 | 2567 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
4006 | 2568 #else /* USDT2 */ |
2569 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
2570 env, clazz, (char *) name, (char *) sig); | |
2571 #endif /* USDT2 */ | |
0 | 2572 jfieldID ret = 0; |
2573 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
2574 | |
2575 // The class should have been loaded (we have an instance of the class | |
2576 // passed in) so the field and signature should already be in the symbol | |
2577 // table. If they're not there, the field doesn't exist. | |
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2578 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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2579 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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2580 if (fieldname == NULL || signame == NULL) { |
0 | 2581 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2582 } | |
2583 KlassHandle k(THREAD, | |
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2584 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2585 // Make sure class is initialized before handing id's out to fields |
6983 | 2586 k()->initialize(CHECK_NULL); |
0 | 2587 |
2588 fieldDescriptor fd; | |
6983 | 2589 if (!k()->oop_is_instance() || |
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2590 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
0 | 2591 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2592 } | |
2593 | |
2594 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
2595 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
2596 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
2597 return ret; | |
2598 JNI_END | |
2599 | |
2600 | |
2601 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
2602 JNIWrapper("GetObjectField"); | |
4006 | 2603 #ifndef USDT2 |
0 | 2604 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
4006 | 2605 #else /* USDT2 */ |
2606 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
2607 env, obj, (uintptr_t) fieldID); | |
2608 #endif /* USDT2 */ | |
0 | 2609 oop o = JNIHandles::resolve_non_null(obj); |
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2610 Klass* k = o->klass(); |
0 | 2611 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2612 // Keep JVMTI addition small and only check enabled flag here. | |
2613 // jni_GetField_probe() assumes that is okay to create handles. | |
2614 if (JvmtiExport::should_post_field_access()) { | |
2615 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
2616 } | |
2617 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
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2618 #if INCLUDE_ALL_GCS |
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2619 // If G1 is enabled and we are accessing the value of the referent |
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|
2620 // field in a reference object then we need to register a non-null |
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|
2621 // referent with the SATB barrier. |
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|
2622 if (UseG1GC) { |
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|
2623 bool needs_barrier = false; |
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|
2624 |
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|
2625 if (ret != NULL && |
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|
2626 offset == java_lang_ref_Reference::referent_offset && |
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2627 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
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2628 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
3249
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|
2629 needs_barrier = true; |
e1162778c1c8
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johnc
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diff
changeset
|
2630 } |
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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diff
changeset
|
2631 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
2632 if (needs_barrier) { |
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|
2633 oop referent = JNIHandles::resolve(ret); |
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|
2634 G1SATBCardTableModRefBS::enqueue(referent); |
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|
2635 } |
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|
2636 } |
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|
2637 #endif // INCLUDE_ALL_GCS |
4006 | 2638 #ifndef USDT2 |
0 | 2639 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
4006 | 2640 #else /* USDT2 */ |
2641 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
2642 ret); | |
2643 #endif /* USDT2 */ | |
0 | 2644 return ret; |
2645 JNI_END | |
2646 | |
2647 | |
4006 | 2648 #ifndef USDT2 |
0 | 2649 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
2650 \ | |
2651 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
2652 \ | |
2653 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2654 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2655 \ | |
2656 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
2657 Return ret = 0;\ | |
2658 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2659 \ | |
2660 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2661 Klass* k = o->klass(); \ |
0 | 2662 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2663 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2664 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2665 /* and creates a ResetNoHandleMark. */ \ | |
2666 if (JvmtiExport::should_post_field_access()) { \ | |
2667 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2668 } \ | |
2669 ret = o->Fieldname##_field(offset); \ | |
2670 return ret; \ | |
2671 JNI_END | |
2672 | |
2673 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
2674 DEFINE_GETFIELD(jbyte, byte, Byte) | |
2675 DEFINE_GETFIELD(jchar, char, Char) | |
2676 DEFINE_GETFIELD(jshort, short, Short) | |
2677 DEFINE_GETFIELD(jint, int, Int) | |
2678 DEFINE_GETFIELD(jlong, long, Long) | |
2679 DEFINE_GETFIELD(jfloat, float, Float) | |
2680 DEFINE_GETFIELD(jdouble, double, Double) | |
2681 | |
4006 | 2682 #else /* USDT2 */ |
2683 | |
2684 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
2685 , EntryProbe, ReturnProbe) \ | |
2686 \ | |
2687 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
2688 , ReturnProbe); \ | |
2689 \ | |
2690 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2691 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2692 \ | |
2693 EntryProbe; \ | |
2694 Return ret = 0;\ | |
2695 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2696 \ | |
2697 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2698 Klass* k = o->klass(); \ |
4006 | 2699 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2700 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2701 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2702 /* and creates a ResetNoHandleMark. */ \ | |
2703 if (JvmtiExport::should_post_field_access()) { \ | |
2704 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2705 } \ | |
2706 ret = o->Fieldname##_field(offset); \ | |
2707 return ret; \ | |
2708 JNI_END | |
2709 | |
2710 DEFINE_GETFIELD(jboolean, bool, Boolean | |
2711 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2712 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
2713 DEFINE_GETFIELD(jbyte, byte, Byte | |
2714 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2715 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
2716 DEFINE_GETFIELD(jchar, char, Char | |
2717 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2718 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
2719 DEFINE_GETFIELD(jshort, short, Short | |
2720 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2721 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
2722 DEFINE_GETFIELD(jint, int, Int | |
2723 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2724 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
2725 DEFINE_GETFIELD(jlong, long, Long | |
2726 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2727 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
2728 // Float and double probes don't return value because dtrace doesn't currently support it | |
2729 DEFINE_GETFIELD(jfloat, float, Float | |
2730 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2731 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
2732 DEFINE_GETFIELD(jdouble, double, Double | |
2733 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2734 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
2735 #endif /* USDT2 */ | |
2736 | |
0 | 2737 address jni_GetBooleanField_addr() { |
2738 return (address)jni_GetBooleanField; | |
2739 } | |
2740 address jni_GetByteField_addr() { | |
2741 return (address)jni_GetByteField; | |
2742 } | |
2743 address jni_GetCharField_addr() { | |
2744 return (address)jni_GetCharField; | |
2745 } | |
2746 address jni_GetShortField_addr() { | |
2747 return (address)jni_GetShortField; | |
2748 } | |
2749 address jni_GetIntField_addr() { | |
2750 return (address)jni_GetIntField; | |
2751 } | |
2752 address jni_GetLongField_addr() { | |
2753 return (address)jni_GetLongField; | |
2754 } | |
2755 address jni_GetFloatField_addr() { | |
2756 return (address)jni_GetFloatField; | |
2757 } | |
2758 address jni_GetDoubleField_addr() { | |
2759 return (address)jni_GetDoubleField; | |
2760 } | |
2761 | |
2762 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
2763 JNIWrapper("SetObjectField"); | |
4006 | 2764 #ifndef USDT2 |
0 | 2765 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
4006 | 2766 #else /* USDT2 */ |
2767 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
2768 env, obj, (uintptr_t) fieldID, value); | |
2769 #endif /* USDT2 */ | |
0 | 2770 oop o = JNIHandles::resolve_non_null(obj); |
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2771 Klass* k = o->klass(); |
0 | 2772 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2773 // Keep JVMTI addition small and only check enabled flag here. | |
2774 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
2775 // and creates a ResetNoHandleMark. | |
2776 if (JvmtiExport::should_post_field_modification()) { | |
2777 jvalue field_value; | |
2778 field_value.l = value; | |
2779 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
2780 } | |
2781 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
4006 | 2782 #ifndef USDT2 |
0 | 2783 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
4006 | 2784 #else /* USDT2 */ |
2785 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
2786 ); | |
2787 #endif /* USDT2 */ | |
0 | 2788 JNI_END |
2789 | |
4006 | 2790 #ifndef USDT2 |
0 | 2791 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
2792 \ | |
2793 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2794 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2795 \ | |
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2796 FP_SELECT_##Result( \ |
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2797 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
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2798 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
0 | 2799 \ |
2800 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2801 Klass* k = o->klass(); \ |
0 | 2802 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2803 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2804 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2805 /* and creates a ResetNoHandleMark. */ \ | |
2806 if (JvmtiExport::should_post_field_modification()) { \ | |
2807 jvalue field_value; \ | |
2808 field_value.unionType = value; \ | |
2809 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2810 } \ | |
2811 o->Fieldname##_field_put(offset, value); \ | |
2812 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
2813 JNI_END | |
2814 | |
2815 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
2816 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
2817 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
2818 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
2819 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
2820 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
2821 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
2822 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
2823 | |
4006 | 2824 #else /* USDT2 */ |
2825 | |
2826 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
2827 , EntryProbe, ReturnProbe) \ | |
2828 \ | |
2829 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2830 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2831 \ | |
2832 EntryProbe; \ | |
2833 \ | |
2834 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2835 Klass* k = o->klass(); \ |
4006 | 2836 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2837 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2838 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2839 /* and creates a ResetNoHandleMark. */ \ | |
2840 if (JvmtiExport::should_post_field_modification()) { \ | |
2841 jvalue field_value; \ | |
2842 field_value.unionType = value; \ | |
2843 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2844 } \ | |
2845 o->Fieldname##_field_put(offset, value); \ | |
2846 ReturnProbe; \ | |
2847 JNI_END | |
2848 | |
2849 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
2850 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2851 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
2852 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
2853 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2854 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
2855 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
2856 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2857 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
2858 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
2859 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2860 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
2861 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
2862 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2863 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
2864 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
2865 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2866 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
2867 // Float and double probes don't return value because dtrace doesn't currently support it | |
2868 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
2869 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2870 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
2871 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
2872 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2873 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
2874 #endif /* USDT2 */ | |
2875 | |
2876 #ifndef USDT2 | |
0 | 2877 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
4006 | 2878 #else /* USDT2 */ |
2879 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
2880 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
2881 #endif /* USDT2 */ | |
0 | 2882 |
2883 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
2884 JNIWrapper("ToReflectedField"); | |
4006 | 2885 #ifndef USDT2 |
0 | 2886 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
2887 env, cls, fieldID, isStatic); | |
4006 | 2888 #else /* USDT2 */ |
2889 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
2890 env, cls, (uintptr_t) fieldID, isStatic); | |
2891 #endif /* USDT2 */ | |
0 | 2892 jobject ret = NULL; |
2893 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
2894 | |
2895 fieldDescriptor fd; | |
2896 bool found = false; | |
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2897 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
0 | 2898 |
2899 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
2900 | |
2901 if (isStatic) { | |
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2902 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
0 | 2903 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2904 assert(id->is_static_field_id(), "invalid static field id"); | |
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2905 found = id->find_local_field(&fd); |
0 | 2906 } else { |
2907 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
2908 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
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2909 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
0 | 2910 } |
2911 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
2912 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
2913 ret = JNIHandles::make_local(env, reflected); | |
2914 return ret; | |
2915 JNI_END | |
2916 | |
2917 | |
2918 // | |
2919 // Accessing Static Fields | |
2920 // | |
4006 | 2921 #ifndef USDT2 |
0 | 2922 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
4006 | 2923 #else /* USDT2 */ |
2924 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
2925 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
2926 #endif /* USDT2 */ | |
0 | 2927 |
2928 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
2929 const char *name, const char *sig)) | |
2930 JNIWrapper("GetStaticFieldID"); | |
4006 | 2931 #ifndef USDT2 |
0 | 2932 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
4006 | 2933 #else /* USDT2 */ |
2934 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
2935 env, clazz, (char *) name, (char *) sig); | |
2936 #endif /* USDT2 */ | |
0 | 2937 jfieldID ret = NULL; |
2938 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
2939 | |
2940 // The class should have been loaded (we have an instance of the class | |
2941 // passed in) so the field and signature should already be in the symbol | |
2942 // table. If they're not there, the field doesn't exist. | |
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|
2943 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
3582bf76420e
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|
2944 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
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|
2945 if (fieldname == NULL || signame == NULL) { |
0 | 2946 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2947 } | |
2948 KlassHandle k(THREAD, | |
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2949 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2950 // Make sure class is initialized before handing id's out to static fields |
6983 | 2951 k()->initialize(CHECK_NULL); |
0 | 2952 |
2953 fieldDescriptor fd; | |
6983 | 2954 if (!k()->oop_is_instance() || |
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2955 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
0 | 2956 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2957 } | |
2958 | |
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2959 // 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
coleenp
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6856
diff
changeset
|
2960 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
0 | 2961 debug_only(id->set_is_static_field_id();) |
2962 | |
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|
2963 debug_only(id->verify(fd.field_holder())); |
0 | 2964 |
2965 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
2966 return ret; | |
2967 JNI_END | |
2968 | |
2969 | |
2970 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
2971 JNIWrapper("GetStaticObjectField"); | |
4006 | 2972 #ifndef USDT2 |
0 | 2973 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
4006 | 2974 #else /* USDT2 */ |
2975 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
2976 env, clazz, (uintptr_t) fieldID); | |
2977 #endif /* USDT2 */ | |
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fb19af007ffc
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|
2978 #if INCLUDE_JNI_CHECK |
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2979 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
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|
2980 #endif // INCLUDE_JNI_CHECK |
0 | 2981 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2982 assert(id->is_static_field_id(), "invalid static field id"); | |
2983 // Keep JVMTI addition small and only check enabled flag here. | |
2984 // jni_GetField_probe() assumes that is okay to create handles. | |
2985 if (JvmtiExport::should_post_field_access()) { | |
2986 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
2987 } | |
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2988 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
4006 | 2989 #ifndef USDT2 |
0 | 2990 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
4006 | 2991 #else /* USDT2 */ |
2992 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
2993 ret); | |
2994 #endif /* USDT2 */ | |
0 | 2995 return ret; |
2996 JNI_END | |
2997 | |
4006 | 2998 #ifndef USDT2 |
0 | 2999 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
3000 \ | |
3001 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
3002 \ | |
3003 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3004 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3005 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
3006 Return ret = 0;\ | |
3007 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3008 (const Return&)ret);\ | |
3009 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3010 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3011 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3012 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3013 if (JvmtiExport::should_post_field_access()) { \ | |
3014 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3015 } \ | |
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3016 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
0 | 3017 return ret;\ |
3018 JNI_END | |
3019 | |
3020 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
3021 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
3022 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
3023 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
3024 DEFINE_GETSTATICFIELD(jint, int, Int) | |
3025 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
3026 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
3027 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
3028 | |
4006 | 3029 #else /* USDT2 */ |
3030 | |
3031 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
3032 , EntryProbe, ReturnProbe) \ | |
3033 \ | |
3034 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
3035 , ReturnProbe); \ | |
3036 \ | |
3037 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
3038 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
3039 EntryProbe; \ | |
3040 Return ret = 0;\ | |
3041 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
3042 (const Return&)ret);\ | |
3043 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3044 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3045 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3046 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
3047 if (JvmtiExport::should_post_field_access()) { \ | |
3048 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
3049 } \ | |
3050 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
3051 return ret;\ | |
3052 JNI_END | |
3053 | |
3054 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
3055 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
3056 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
3057 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
3058 DEFINE_GETSTATICFIELD(jchar, char, Char | |
3059 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
3060 DEFINE_GETSTATICFIELD(jshort, short, Short | |
3061 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
3062 DEFINE_GETSTATICFIELD(jint, int, Int | |
3063 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
3064 DEFINE_GETSTATICFIELD(jlong, long, Long | |
3065 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
3066 // Float and double probes don't return value because dtrace doesn't currently support it | |
3067 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
3068 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
3069 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
3070 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
3071 #endif /* USDT2 */ | |
0 | 3072 |
3073 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
3074 JNIWrapper("SetStaticObjectField"); | |
4006 | 3075 #ifndef USDT2 |
0 | 3076 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
4006 | 3077 #else /* USDT2 */ |
3078 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
3079 env, clazz, (uintptr_t) fieldID, value); | |
3080 #endif /* USDT2 */ | |
0 | 3081 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
3082 assert(id->is_static_field_id(), "invalid static field id"); | |
3083 // Keep JVMTI addition small and only check enabled flag here. | |
3084 // jni_SetField_probe() assumes that is okay to create handles. | |
3085 if (JvmtiExport::should_post_field_modification()) { | |
3086 jvalue field_value; | |
3087 field_value.l = value; | |
3088 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
3089 } | |
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|
3090 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
4006 | 3091 #ifndef USDT2 |
0 | 3092 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
4006 | 3093 #else /* USDT2 */ |
3094 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
3095 ); | |
3096 #endif /* USDT2 */ | |
0 | 3097 JNI_END |
3098 | |
3099 | |
4006 | 3100 #ifndef USDT2 |
0 | 3101 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
3102 \ | |
3103 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3104 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
6837
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7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
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6831
diff
changeset
|
3105 FP_SELECT_##Result( \ |
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
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6831
diff
changeset
|
3106 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
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6831
diff
changeset
|
3107 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
0 | 3108 \ |
3109 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3110 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3111 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3112 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3113 if (JvmtiExport::should_post_field_modification()) { \ | |
3114 jvalue field_value; \ | |
3115 field_value.unionType = value; \ | |
3116 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3117 } \ | |
2376
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7017732: move static fields into Class to prepare for perm gen removal
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parents:
2177
diff
changeset
|
3118 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
0 | 3119 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
3120 JNI_END | |
3121 | |
3122 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
3123 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
3124 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
3125 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
3126 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
3127 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
3128 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
3129 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
3130 | |
4006 | 3131 #else /* USDT2 */ |
3132 | |
3133 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
3134 , EntryProbe, ReturnProbe) \ | |
3135 \ | |
3136 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
3137 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
3138 EntryProbe; \ | |
3139 \ | |
3140 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
3141 assert(id->is_static_field_id(), "invalid static field id"); \ | |
3142 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
3143 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
3144 if (JvmtiExport::should_post_field_modification()) { \ | |
3145 jvalue field_value; \ | |
3146 field_value.unionType = value; \ | |
3147 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
3148 } \ | |
3149 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
3150 ReturnProbe;\ | |
3151 JNI_END | |
3152 | |
3153 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
3154 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
3155 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
3156 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
3157 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3158 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
3159 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
3160 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3161 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
3162 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
3163 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3164 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
3165 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
3166 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3167 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
3168 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
3169 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
3170 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
3171 // Float and double probes don't return value because dtrace doesn't currently support it | |
3172 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
3173 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3174 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
3175 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
3176 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
3177 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
3178 #endif /* USDT2 */ | |
0 | 3179 |
3180 // | |
3181 // String Operations | |
3182 // | |
3183 | |
3184 // Unicode Interface | |
3185 | |
4006 | 3186 #ifndef USDT2 |
0 | 3187 DT_RETURN_MARK_DECL(NewString, jstring); |
4006 | 3188 #else /* USDT2 */ |
3189 DT_RETURN_MARK_DECL(NewString, jstring | |
3190 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
3191 #endif /* USDT2 */ | |
0 | 3192 |
3193 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
3194 JNIWrapper("NewString"); | |
4006 | 3195 #ifndef USDT2 |
0 | 3196 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
4006 | 3197 #else /* USDT2 */ |
3198 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
3199 env, (uint16_t *) unicodeChars, len); | |
3200 #endif /* USDT2 */ | |
0 | 3201 jstring ret = NULL; |
3202 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
3203 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
3204 ret = (jstring) JNIHandles::make_local(env, string); | |
3205 return ret; | |
3206 JNI_END | |
3207 | |
3208 | |
3209 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
3210 JNIWrapper("GetStringLength"); | |
4006 | 3211 #ifndef USDT2 |
0 | 3212 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
4006 | 3213 #else /* USDT2 */ |
3214 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
3215 env, string); | |
3216 #endif /* USDT2 */ | |
0 | 3217 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
4006 | 3218 #ifndef USDT2 |
0 | 3219 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
4006 | 3220 #else /* USDT2 */ |
3221 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
3222 ret); | |
3223 #endif /* USDT2 */ | |
0 | 3224 return ret; |
3225 JNI_END | |
3226 | |
3227 | |
3228 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
3229 JNIEnv *env, jstring string, jboolean *isCopy)) | |
3230 JNIWrapper("GetStringChars"); | |
4006 | 3231 #ifndef USDT2 |
0 | 3232 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
4006 | 3233 #else /* USDT2 */ |
3234 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
3235 env, string, (uintptr_t *) isCopy); | |
3236 #endif /* USDT2 */ | |
0 | 3237 //%note jni_5 |
3238 if (isCopy != NULL) { | |
3239 *isCopy = JNI_TRUE; | |
3240 } | |
3241 oop s = JNIHandles::resolve_non_null(string); | |
3242 int s_len = java_lang_String::length(s); | |
3243 typeArrayOop s_value = java_lang_String::value(s); | |
3244 int s_offset = java_lang_String::offset(s); | |
6197 | 3245 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1, mtInternal); // add one for zero termination |
0 | 3246 if (s_len > 0) { |
3247 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
3248 } | |
3249 buf[s_len] = 0; | |
4006 | 3250 #ifndef USDT2 |
0 | 3251 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
4006 | 3252 #else /* USDT2 */ |
3253 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
3254 buf); | |
3255 #endif /* USDT2 */ | |
0 | 3256 return buf; |
3257 JNI_END | |
3258 | |
3259 | |
3260 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
3261 JNIWrapper("ReleaseStringChars"); | |
4006 | 3262 #ifndef USDT2 |
0 | 3263 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
4006 | 3264 #else /* USDT2 */ |
3265 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
3266 env, str, (uint16_t *) chars); | |
3267 #endif /* USDT2 */ | |
0 | 3268 //%note jni_6 |
3269 if (chars != NULL) { | |
3270 // Since String objects are supposed to be immutable, don't copy any | |
3271 // new data back. A bad user will have to go after the char array. | |
3272 FreeHeap((void*) chars); | |
3273 } | |
4006 | 3274 #ifndef USDT2 |
0 | 3275 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
4006 | 3276 #else /* USDT2 */ |
3277 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
3278 ); | |
3279 #endif /* USDT2 */ | |
0 | 3280 JNI_END |
3281 | |
3282 | |
3283 // UTF Interface | |
3284 | |
4006 | 3285 #ifndef USDT2 |
0 | 3286 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
4006 | 3287 #else /* USDT2 */ |
3288 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
3289 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
3290 #endif /* USDT2 */ | |
0 | 3291 |
3292 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
3293 JNIWrapper("NewStringUTF"); | |
4006 | 3294 #ifndef USDT2 |
0 | 3295 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
4006 | 3296 #else /* USDT2 */ |
3297 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
3298 env, (char *) bytes); | |
3299 #endif /* USDT2 */ | |
0 | 3300 jstring ret; |
3301 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
3302 | |
3303 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
3304 ret = (jstring) JNIHandles::make_local(env, result); | |
3305 return ret; | |
3306 JNI_END | |
3307 | |
3308 | |
3309 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
3310 JNIWrapper("GetStringUTFLength"); | |
4006 | 3311 #ifndef USDT2 |
0 | 3312 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
4006 | 3313 #else /* USDT2 */ |
3314 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
3315 env, string); | |
3316 #endif /* USDT2 */ | |
0 | 3317 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
4006 | 3318 #ifndef USDT2 |
0 | 3319 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
4006 | 3320 #else /* USDT2 */ |
3321 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
3322 ret); | |
3323 #endif /* USDT2 */ | |
0 | 3324 return ret; |
3325 JNI_END | |
3326 | |
3327 | |
3328 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
3329 JNIWrapper("GetStringUTFChars"); | |
4006 | 3330 #ifndef USDT2 |
0 | 3331 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
4006 | 3332 #else /* USDT2 */ |
3333 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
3334 env, string, (uintptr_t *) isCopy); | |
3335 #endif /* USDT2 */ | |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
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diff
changeset
|
3336 oop java_string = JNIHandles::resolve_non_null(string); |
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3337 size_t length = java_lang_String::utf8_length(java_string); |
6197 | 3338 char* result = AllocateHeap(length + 1, mtInternal); |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3339 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
0 | 3340 if (isCopy != NULL) *isCopy = JNI_TRUE; |
4006 | 3341 #ifndef USDT2 |
0 | 3342 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
4006 | 3343 #else /* USDT2 */ |
3344 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
3345 result); | |
3346 #endif /* USDT2 */ | |
0 | 3347 return result; |
3348 JNI_END | |
3349 | |
3350 | |
3351 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
3352 JNIWrapper("ReleaseStringUTFChars"); | |
4006 | 3353 #ifndef USDT2 |
0 | 3354 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
4006 | 3355 #else /* USDT2 */ |
3356 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
3357 env, str, (char *) chars); | |
3358 #endif /* USDT2 */ | |
0 | 3359 if (chars != NULL) { |
3360 FreeHeap((char*) chars); | |
3361 } | |
4006 | 3362 #ifndef USDT2 |
0 | 3363 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
4006 | 3364 #else /* USDT2 */ |
3365 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
3366 ); | |
3367 #endif /* USDT2 */ | |
0 | 3368 JNI_END |
3369 | |
3370 | |
3371 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
3372 JNIWrapper("GetArrayLength"); | |
4006 | 3373 #ifndef USDT2 |
0 | 3374 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
4006 | 3375 #else /* USDT2 */ |
3376 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
3377 env, array); | |
3378 #endif /* USDT2 */ | |
0 | 3379 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
3380 assert(a->is_array(), "must be array"); | |
3381 jsize ret = a->length(); | |
4006 | 3382 #ifndef USDT2 |
0 | 3383 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
4006 | 3384 #else /* USDT2 */ |
3385 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
3386 ret); | |
3387 #endif /* USDT2 */ | |
0 | 3388 return ret; |
3389 JNI_END | |
3390 | |
3391 | |
3392 // | |
3393 // Object Array Operations | |
3394 // | |
3395 | |
4006 | 3396 #ifndef USDT2 |
0 | 3397 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
4006 | 3398 #else /* USDT2 */ |
3399 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
3400 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
3401 #endif /* USDT2 */ | |
0 | 3402 |
3403 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
3404 JNIWrapper("NewObjectArray"); | |
4006 | 3405 #ifndef USDT2 |
0 | 3406 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
4006 | 3407 #else /* USDT2 */ |
3408 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
3409 env, length, elementClass, initialElement); | |
3410 #endif /* USDT2 */ | |
0 | 3411 jobjectArray ret = NULL; |
3412 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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6197
diff
changeset
|
3413 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
6983 | 3414 Klass* ako = ek()->array_klass(CHECK_NULL); |
0 | 3415 KlassHandle ak = KlassHandle(THREAD, ako); |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
changeset
|
3416 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3417 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
0 | 3418 oop initial_value = JNIHandles::resolve(initialElement); |
3419 if (initial_value != NULL) { // array already initialized with NULL | |
3420 for (int index = 0; index < length; index++) { | |
3421 result->obj_at_put(index, initial_value); | |
3422 } | |
3423 } | |
3424 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
3425 return ret; | |
3426 JNI_END | |
3427 | |
4006 | 3428 #ifndef USDT2 |
0 | 3429 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
4006 | 3430 #else /* USDT2 */ |
3431 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
3432 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
3433 #endif /* USDT2 */ | |
0 | 3434 |
3435 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
3436 JNIWrapper("GetObjectArrayElement"); | |
4006 | 3437 #ifndef USDT2 |
0 | 3438 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
4006 | 3439 #else /* USDT2 */ |
3440 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
3441 env, array, index); | |
3442 #endif /* USDT2 */ | |
0 | 3443 jobject ret = NULL; |
3444 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
3445 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3446 if (a->is_within_bounds(index)) { | |
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
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973
diff
changeset
|
3447 ret = JNIHandles::make_local(env, a->obj_at(index)); |
0 | 3448 return ret; |
3449 } else { | |
3450 char buf[jintAsStringSize]; | |
3451 sprintf(buf, "%d", index); | |
3452 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3453 } | |
3454 JNI_END | |
3455 | |
4006 | 3456 #ifndef USDT2 |
0 | 3457 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
4006 | 3458 #else /* USDT2 */ |
3459 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
3460 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
3461 #endif /* USDT2 */ | |
0 | 3462 |
3463 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
3464 JNIWrapper("SetObjectArrayElement"); | |
4006 | 3465 #ifndef USDT2 |
0 | 3466 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
4006 | 3467 #else /* USDT2 */ |
3468 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
3469 env, array, index, value); | |
3470 #endif /* USDT2 */ | |
0 | 3471 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
3472 | |
3473 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
3474 oop v = JNIHandles::resolve(value); | |
3475 if (a->is_within_bounds(index)) { | |
6831
d8ce2825b193
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coleenp
parents:
6725
diff
changeset
|
3476 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
0 | 3477 a->obj_at_put(index, v); |
3478 } else { | |
3479 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
3480 } | |
3481 } else { | |
3482 char buf[jintAsStringSize]; | |
3483 sprintf(buf, "%d", index); | |
3484 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
3485 } | |
3486 JNI_END | |
3487 | |
3488 | |
4006 | 3489 #ifndef USDT2 |
0 | 3490 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
3491 \ | |
4006 | 3492 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
0 | 3493 \ |
3494 JNI_ENTRY(Return, \ | |
3495 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3496 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3497 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
3498 Return ret = NULL;\ | |
1034
08780c8a9f04
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kamg
parents:
973
diff
changeset
|
3499 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
0 | 3500 \ |
3501 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3502 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3503 return ret;\ | |
3504 JNI_END | |
3505 | |
3506 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
3507 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
3508 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
3509 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
3510 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
3511 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
3512 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
3513 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
3514 | |
4006 | 3515 #else /* USDT2 */ |
3516 | |
3517 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
3518 ,EntryProbe,ReturnProbe) \ | |
3519 \ | |
3520 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
3521 , ReturnProbe); \ | |
3522 \ | |
3523 JNI_ENTRY(Return, \ | |
3524 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
3525 JNIWrapper("New" XSTR(Result) "Array"); \ | |
3526 EntryProbe; \ | |
3527 Return ret = NULL;\ | |
3528 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
3529 \ | |
3530 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
3531 ret = (Return) JNIHandles::make_local(env, obj); \ | |
3532 return ret;\ | |
3533 JNI_END | |
3534 | |
3535 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
3536 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
3537 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
3538 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
3539 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
3540 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
3541 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
3542 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
3543 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
3544 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
3545 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
3546 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
3547 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
3548 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
3549 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
3550 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
3551 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
3552 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
3553 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
3554 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
3555 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
3556 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
3557 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
3558 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
3559 #endif /* USDT2 */ | |
0 | 3560 |
3561 // Return an address which will fault if the caller writes to it. | |
3562 | |
3563 static char* get_bad_address() { | |
3564 static char* bad_address = NULL; | |
3565 if (bad_address == NULL) { | |
3566 size_t size = os::vm_allocation_granularity(); | |
3567 bad_address = os::reserve_memory(size); | |
3568 if (bad_address != NULL) { | |
477
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
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237
diff
changeset
|
3569 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
24fda36852ce
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|
3570 /*is_committed*/false); |
0 | 3571 } |
3572 } | |
3573 return bad_address; | |
3574 } | |
3575 | |
3576 | |
4006 | 3577 #ifndef USDT2 |
0 | 3578 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
3579 \ | |
3580 JNI_QUICK_ENTRY(ElementType*, \ | |
3581 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3582 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3583 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
3584 /* allocate an chunk of memory in c land */ \ | |
3585 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3586 ElementType* result; \ | |
3587 int len = a->length(); \ | |
3588 if (len == 0) { \ | |
3589 /* Empty array: legal but useless, can't return NULL. \ | |
3590 * Return a pointer to something useless. \ | |
3591 * Avoid asserts in typeArrayOop. */ \ | |
3592 result = (ElementType*)get_bad_address(); \ | |
3593 } else { \ | |
6197 | 3594 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
0 | 3595 /* copy the array to the c chunk */ \ |
3596 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3597 } \ | |
3598 if (isCopy) *isCopy = JNI_TRUE; \ | |
3599 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
3600 return result; \ | |
3601 JNI_END | |
3602 | |
3603 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3604 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3605 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3606 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3607 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3608 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3609 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3610 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3611 | |
4006 | 3612 #else /* USDT2 */ |
3613 | |
3614 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
3615 , EntryProbe, ReturnProbe) \ | |
3616 \ | |
3617 JNI_QUICK_ENTRY(ElementType*, \ | |
3618 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
3619 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
3620 EntryProbe; \ | |
3621 /* allocate an chunk of memory in c land */ \ | |
3622 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3623 ElementType* result; \ | |
3624 int len = a->length(); \ | |
3625 if (len == 0) { \ | |
3626 /* Empty array: legal but useless, can't return NULL. \ | |
3627 * Return a pointer to something useless. \ | |
3628 * Avoid asserts in typeArrayOop. */ \ | |
3629 result = (ElementType*)get_bad_address(); \ | |
3630 } else { \ | |
6197 | 3631 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
4006 | 3632 /* copy the array to the c chunk */ \ |
3633 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
3634 } \ | |
3635 if (isCopy) *isCopy = JNI_TRUE; \ | |
3636 ReturnProbe; \ | |
3637 return result; \ | |
3638 JNI_END | |
3639 | |
3640 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3641 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3642 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
3643 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3644 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3645 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
3646 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3647 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3648 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
3649 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3650 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
3651 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
3652 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3653 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3654 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
3655 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3656 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3657 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
3658 // Float and double probes don't return value because dtrace doesn't currently support it | |
3659 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3660 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3661 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
3662 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3663 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
3664 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
3665 #endif /* USDT2 */ | |
3666 | |
3667 #ifndef USDT2 | |
0 | 3668 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
3669 \ | |
3670 JNI_QUICK_ENTRY(void, \ | |
3671 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3672 ElementType *buf, jint mode)) \ | |
3673 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3674 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
3675 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3676 int len = a->length(); \ | |
3677 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3678 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3679 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3680 } \ | |
3681 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3682 FreeHeap(buf); \ | |
3683 } \ | |
3684 } \ | |
3685 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
3686 JNI_END | |
3687 | |
3688 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
3689 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
3690 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
3691 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
3692 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
3693 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
3694 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
3695 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
3696 | |
4006 | 3697 #else /* USDT2 */ |
3698 | |
3699 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
3700 , EntryProbe, ReturnProbe);\ | |
3701 \ | |
3702 JNI_QUICK_ENTRY(void, \ | |
3703 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
3704 ElementType *buf, jint mode)) \ | |
3705 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
3706 EntryProbe; \ | |
3707 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3708 int len = a->length(); \ | |
3709 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
3710 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
3711 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
3712 } \ | |
3713 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
3714 FreeHeap(buf); \ | |
3715 } \ | |
3716 } \ | |
3717 ReturnProbe; \ | |
3718 JNI_END | |
3719 | |
3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
3721 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3722 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
3723 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
3724 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
3725 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
3726 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
3727 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3728 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
3729 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
3730 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
3731 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
3732 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
3733 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
3734 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
3735 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
3736 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
3737 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
3738 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
3739 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
3740 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
3741 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
3742 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
3743 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
3744 #endif /* USDT2 */ | |
3745 | |
3746 #ifndef USDT2 | |
0 | 3747 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3748 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
3749 \ | |
3750 JNI_ENTRY(void, \ | |
3751 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3752 jsize len, ElementType *buf)) \ | |
3753 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3754 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3755 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3756 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3757 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3758 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3759 } else { \ | |
3760 if (len > 0) { \ | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3761 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
0 | 3762 memcpy((u_char*) buf, \ |
3763 (u_char*) src->Tag##_at_addr(start), \ | |
3764 len << sc); \ | |
3765 } \ | |
3766 } \ | |
3767 JNI_END | |
3768 | |
3769 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
3770 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3771 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3772 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3773 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3774 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3775 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3776 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3777 | |
4006 | 3778 #else /* USDT2 */ |
3779 | |
3780 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3781 , EntryProbe, ReturnProbe); \ | |
3782 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
3783 , ReturnProbe); \ | |
3784 \ | |
3785 JNI_ENTRY(void, \ | |
3786 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3787 jsize len, ElementType *buf)) \ | |
3788 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
3789 EntryProbe; \ | |
3790 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
3791 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3792 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
3793 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3794 } else { \ | |
3795 if (len > 0) { \ | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3796 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
4006 | 3797 memcpy((u_char*) buf, \ |
3798 (u_char*) src->Tag##_at_addr(start), \ | |
3799 len << sc); \ | |
3800 } \ | |
3801 } \ | |
3802 JNI_END | |
3803 | |
3804 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
3805 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3806 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
3807 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3808 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3809 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
3810 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3811 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3812 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
3813 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3814 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
3815 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
3816 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
3817 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
3818 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
3819 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3820 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3821 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
3822 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3823 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3824 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
3825 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3826 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3827 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
3828 #endif /* USDT2 */ | |
3829 | |
3830 #ifndef USDT2 | |
0 | 3831 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
3832 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
3833 \ | |
3834 JNI_ENTRY(void, \ | |
3835 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3836 jsize len, const ElementType *buf)) \ | |
3837 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3838 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
3839 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3840 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3841 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3842 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3843 } else { \ | |
3844 if (len > 0) { \ | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3845 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
0 | 3846 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3847 (u_char*) buf, \ | |
3848 len << sc); \ | |
3849 } \ | |
3850 } \ | |
3851 JNI_END | |
3852 | |
3853 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
3854 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
3855 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
3856 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
3857 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
3858 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
3859 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
3860 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
3861 | |
4006 | 3862 #else /* USDT2 */ |
3863 | |
3864 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
3865 , EntryProbe, ReturnProbe); \ | |
3866 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
3867 ,ReturnProbe); \ | |
3868 \ | |
3869 JNI_ENTRY(void, \ | |
3870 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
3871 jsize len, const ElementType *buf)) \ | |
3872 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
3873 EntryProbe; \ | |
3874 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
3875 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
3876 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
3877 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
3878 } else { \ | |
3879 if (len > 0) { \ | |
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3880 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
4006 | 3881 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
3882 (u_char*) buf, \ | |
3883 len << sc); \ | |
3884 } \ | |
3885 } \ | |
3886 JNI_END | |
3887 | |
3888 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
3889 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
3890 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
3891 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
3892 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
3893 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
3894 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
3895 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3896 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
3897 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
3898 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
3899 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
3900 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
3901 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
3902 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
3903 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
3904 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
3905 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
3906 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
3907 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
3908 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
3909 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
3910 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
3911 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
3912 #endif /* USDT2 */ | |
3913 | |
0 | 3914 |
3915 // | |
3916 // Interception of natives | |
3917 // | |
3918 | |
3919 // The RegisterNatives call being attempted tried to register with a method that | |
3920 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
3921 // to see if the native method is now wrapped with the prefixes. See the | |
3922 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
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3923 static Method* find_prefixed_native(KlassHandle k, |
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3924 Symbol* name, Symbol* signature, TRAPS) { |
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3925 #if INCLUDE_JVMTI |
0 | 3926 ResourceMark rm(THREAD); |
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3927 Method* method; |
0 | 3928 int name_len = name->utf8_length(); |
3929 char* name_str = name->as_utf8(); | |
3930 int prefix_count; | |
3931 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
3932 for (int i = 0; i < prefix_count; i++) { | |
3933 char* prefix = prefixes[i]; | |
3934 int prefix_len = (int)strlen(prefix); | |
3935 | |
3936 // try adding this prefix to the method name and see if it matches another method name | |
3937 int trial_len = name_len + prefix_len; | |
3938 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
3939 strcpy(trial_name_str, prefix); | |
3940 strcat(trial_name_str, name_str); | |
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3941 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
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3942 if (trial_name == NULL) { |
0 | 3943 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
3944 } | |
6983 | 3945 method = k()->lookup_method(trial_name, signature); |
0 | 3946 if (method == NULL) { |
3947 continue; // signature doesn't match, try the next prefix | |
3948 } | |
3949 if (method->is_native()) { | |
3950 method->set_is_prefixed_native(); | |
3951 return method; // wahoo, we found a prefixed version of the method, return it | |
3952 } | |
3953 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
3954 name_len = trial_len; | |
3955 name_str = trial_name_str; | |
3956 } | |
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3957 #endif // INCLUDE_JVMTI |
0 | 3958 return NULL; // not found |
3959 } | |
3960 | |
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3961 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
6983 | 3962 Method* method = k()->lookup_method(name, signature); |
0 | 3963 if (method == NULL) { |
3964 ResourceMark rm; | |
3965 stringStream st; | |
3966 st.print("Method %s name or signature does not match", | |
6983 | 3967 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 3968 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
3969 } | |
3970 if (!method->is_native()) { | |
3971 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
3972 method = find_prefixed_native(k, name, signature, THREAD); | |
3973 if (method == NULL) { | |
3974 ResourceMark rm; | |
3975 stringStream st; | |
3976 st.print("Method %s is not declared as native", | |
6983 | 3977 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 3978 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
3979 } | |
3980 } | |
3981 | |
3982 if (entry != NULL) { | |
3983 method->set_native_function(entry, | |
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3984 Method::native_bind_event_is_interesting); |
0 | 3985 } else { |
3986 method->clear_native_function(); | |
3987 } | |
3988 if (PrintJNIResolving) { | |
3989 ResourceMark rm(THREAD); | |
3990 tty->print_cr("[Registering JNI native method %s.%s]", | |
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|
3991 method->method_holder()->external_name(), |
0 | 3992 method->name()->as_C_string()); |
3993 } | |
3994 return true; | |
3995 } | |
3996 | |
4006 | 3997 #ifndef USDT2 |
0 | 3998 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
4006 | 3999 #else /* USDT2 */ |
4000 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
4001 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
4002 #endif /* USDT2 */ | |
0 | 4003 |
4004 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
4005 const JNINativeMethod *methods, | |
4006 jint nMethods)) | |
4007 JNIWrapper("RegisterNatives"); | |
4006 | 4008 #ifndef USDT2 |
0 | 4009 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
4006 | 4010 #else /* USDT2 */ |
4011 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
4012 env, clazz, (void *) methods, nMethods); | |
4013 #endif /* USDT2 */ | |
0 | 4014 jint ret = 0; |
4015 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
4016 | |
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4017 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 4018 |
4019 for (int index = 0; index < nMethods; index++) { | |
4020 const char* meth_name = methods[index].name; | |
4021 const char* meth_sig = methods[index].signature; | |
4022 int meth_name_len = (int)strlen(meth_name); | |
4023 | |
4024 // The class should have been loaded (we have an instance of the class | |
4025 // passed in) so the method and signature should already be in the symbol | |
4026 // table. If they're not there, the method doesn't exist. | |
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4027 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
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|
4028 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
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|
4029 |
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|
4030 if (name == NULL || signature == NULL) { |
0 | 4031 ResourceMark rm; |
4032 stringStream st; | |
6983 | 4033 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
0 | 4034 // Must return negative value on failure |
4035 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
4036 } | |
4037 | |
4038 bool res = register_native(h_k, name, signature, | |
4039 (address) methods[index].fnPtr, THREAD); | |
4040 if (!res) { | |
4041 ret = -1; | |
4042 break; | |
4043 } | |
4044 } | |
4045 return ret; | |
4046 JNI_END | |
4047 | |
4048 | |
4049 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
4050 JNIWrapper("UnregisterNatives"); | |
4006 | 4051 #ifndef USDT2 |
0 | 4052 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
4006 | 4053 #else /* USDT2 */ |
4054 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
4055 env, clazz); | |
4056 #endif /* USDT2 */ | |
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4057 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
0 | 4058 //%note jni_2 |
6983 | 4059 if (k->oop_is_instance()) { |
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4060 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
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4061 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
0 | 4062 if (m->is_native()) { |
4063 m->clear_native_function(); | |
4064 m->set_signature_handler(NULL); | |
4065 } | |
4066 } | |
4067 } | |
4006 | 4068 #ifndef USDT2 |
0 | 4069 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
4006 | 4070 #else /* USDT2 */ |
4071 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
4072 0); | |
4073 #endif /* USDT2 */ | |
0 | 4074 return 0; |
4075 JNI_END | |
4076 | |
4077 // | |
4078 // Monitor functions | |
4079 // | |
4080 | |
4006 | 4081 #ifndef USDT2 |
0 | 4082 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
4006 | 4083 #else /* USDT2 */ |
4084 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
4085 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
4086 #endif /* USDT2 */ | |
0 | 4087 |
4088 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
4006 | 4089 #ifndef USDT2 |
0 | 4090 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
4006 | 4091 #else /* USDT2 */ |
4092 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
4093 env, jobj); | |
4094 #endif /* USDT2 */ | |
0 | 4095 jint ret = JNI_ERR; |
4096 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
4097 | |
4098 // If the object is null, we can't do anything with it | |
4099 if (jobj == NULL) { | |
4100 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4101 } | |
4102 | |
4103 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
4104 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
4105 ret = JNI_OK; | |
4106 return ret; | |
4107 JNI_END | |
4108 | |
4006 | 4109 #ifndef USDT2 |
0 | 4110 DT_RETURN_MARK_DECL(MonitorExit, jint); |
4006 | 4111 #else /* USDT2 */ |
4112 DT_RETURN_MARK_DECL(MonitorExit, jint | |
4113 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
4114 #endif /* USDT2 */ | |
0 | 4115 |
4116 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
4006 | 4117 #ifndef USDT2 |
0 | 4118 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
4006 | 4119 #else /* USDT2 */ |
4120 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
4121 env, jobj); | |
4122 #endif /* USDT2 */ | |
0 | 4123 jint ret = JNI_ERR; |
4124 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
4125 | |
4126 // Don't do anything with a null object | |
4127 if (jobj == NULL) { | |
4128 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
4129 } | |
4130 | |
4131 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
4132 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
4133 | |
4134 ret = JNI_OK; | |
4135 return ret; | |
4136 JNI_END | |
4137 | |
4138 // | |
4139 // Extensions | |
4140 // | |
4141 | |
4006 | 4142 #ifndef USDT2 |
0 | 4143 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
4006 | 4144 #else /* USDT2 */ |
4145 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
4146 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
4147 #endif /* USDT2 */ | |
0 | 4148 |
4149 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
4150 JNIWrapper("GetStringRegion"); | |
4006 | 4151 #ifndef USDT2 |
0 | 4152 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
4006 | 4153 #else /* USDT2 */ |
4154 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
4155 env, string, start, len, buf); | |
4156 #endif /* USDT2 */ | |
0 | 4157 DT_VOID_RETURN_MARK(GetStringRegion); |
4158 oop s = JNIHandles::resolve_non_null(string); | |
4159 int s_len = java_lang_String::length(s); | |
4160 if (start < 0 || len < 0 || start + len > s_len) { | |
4161 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4162 } else { | |
4163 if (len > 0) { | |
4164 int s_offset = java_lang_String::offset(s); | |
4165 typeArrayOop s_value = java_lang_String::value(s); | |
4166 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
4167 } | |
4168 } | |
4169 JNI_END | |
4170 | |
4006 | 4171 #ifndef USDT2 |
0 | 4172 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
4006 | 4173 #else /* USDT2 */ |
4174 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
4175 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
4176 #endif /* USDT2 */ | |
0 | 4177 |
4178 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
4179 JNIWrapper("GetStringUTFRegion"); | |
4006 | 4180 #ifndef USDT2 |
0 | 4181 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
4006 | 4182 #else /* USDT2 */ |
4183 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
4184 env, string, start, len, buf); | |
4185 #endif /* USDT2 */ | |
0 | 4186 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
4187 oop s = JNIHandles::resolve_non_null(string); | |
4188 int s_len = java_lang_String::length(s); | |
4189 if (start < 0 || len < 0 || start + len > s_len) { | |
4190 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
4191 } else { | |
4192 //%note jni_7 | |
4193 if (len > 0) { | |
4194 ResourceMark rm(THREAD); | |
4195 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
4196 int utf_len = (int)strlen(utf_region); | |
4197 memcpy(buf, utf_region, utf_len); | |
4198 buf[utf_len] = 0; | |
4199 } else { | |
4200 // JDK null-terminates the buffer even in len is zero | |
4201 if (buf != NULL) { | |
4202 buf[0] = 0; | |
4203 } | |
4204 } | |
4205 } | |
4206 JNI_END | |
4207 | |
4208 | |
4209 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
4210 JNIWrapper("GetPrimitiveArrayCritical"); | |
4006 | 4211 #ifndef USDT2 |
0 | 4212 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
4006 | 4213 #else /* USDT2 */ |
4214 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
4215 env, array, (uintptr_t *) isCopy); | |
4216 #endif /* USDT2 */ | |
0 | 4217 GC_locker::lock_critical(thread); |
4218 if (isCopy != NULL) { | |
4219 *isCopy = JNI_FALSE; | |
4220 } | |
4221 oop a = JNIHandles::resolve_non_null(array); | |
4222 assert(a->is_array(), "just checking"); | |
4223 BasicType type; | |
4224 if (a->is_objArray()) { | |
4225 type = T_OBJECT; | |
4226 } else { | |
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4227 type = TypeArrayKlass::cast(a->klass())->element_type(); |
0 | 4228 } |
4229 void* ret = arrayOop(a)->base(type); | |
4006 | 4230 #ifndef USDT2 |
0 | 4231 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
4006 | 4232 #else /* USDT2 */ |
4233 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
4234 ret); | |
4235 #endif /* USDT2 */ | |
0 | 4236 return ret; |
4237 JNI_END | |
4238 | |
4239 | |
4240 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
4241 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
4006 | 4242 #ifndef USDT2 |
0 | 4243 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
4006 | 4244 #else /* USDT2 */ |
4245 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
4246 env, array, carray, mode); | |
4247 #endif /* USDT2 */ | |
0 | 4248 // The array, carray and mode arguments are ignored |
4249 GC_locker::unlock_critical(thread); | |
4006 | 4250 #ifndef USDT2 |
0 | 4251 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
4006 | 4252 #else /* USDT2 */ |
4253 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
4254 ); | |
4255 #endif /* USDT2 */ | |
0 | 4256 JNI_END |
4257 | |
4258 | |
4259 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
4260 JNIWrapper("GetStringCritical"); | |
4006 | 4261 #ifndef USDT2 |
0 | 4262 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
4006 | 4263 #else /* USDT2 */ |
4264 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
4265 env, string, (uintptr_t *) isCopy); | |
4266 #endif /* USDT2 */ | |
0 | 4267 GC_locker::lock_critical(thread); |
4268 if (isCopy != NULL) { | |
4269 *isCopy = JNI_FALSE; | |
4270 } | |
4271 oop s = JNIHandles::resolve_non_null(string); | |
4272 int s_len = java_lang_String::length(s); | |
4273 typeArrayOop s_value = java_lang_String::value(s); | |
4274 int s_offset = java_lang_String::offset(s); | |
4275 const jchar* ret; | |
4276 if (s_len > 0) { | |
4277 ret = s_value->char_at_addr(s_offset); | |
4278 } else { | |
4279 ret = (jchar*) s_value->base(T_CHAR); | |
4280 } | |
4006 | 4281 #ifndef USDT2 |
0 | 4282 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
4006 | 4283 #else /* USDT2 */ |
4284 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
4285 (uint16_t *) ret); | |
4286 #endif /* USDT2 */ | |
0 | 4287 return ret; |
4288 JNI_END | |
4289 | |
4290 | |
4291 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
4292 JNIWrapper("ReleaseStringCritical"); | |
4006 | 4293 #ifndef USDT2 |
0 | 4294 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
4006 | 4295 #else /* USDT2 */ |
4296 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
4297 env, str, (uint16_t *) chars); | |
4298 #endif /* USDT2 */ | |
0 | 4299 // The str and chars arguments are ignored |
4300 GC_locker::unlock_critical(thread); | |
4006 | 4301 #ifndef USDT2 |
0 | 4302 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
4006 | 4303 #else /* USDT2 */ |
4304 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
4305 ); | |
4306 #endif /* USDT2 */ | |
0 | 4307 JNI_END |
4308 | |
4309 | |
4310 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
4311 JNIWrapper("jni_NewWeakGlobalRef"); | |
4006 | 4312 #ifndef USDT2 |
0 | 4313 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
4006 | 4314 #else /* USDT2 */ |
4315 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
4316 env, ref); | |
4317 #endif /* USDT2 */ | |
0 | 4318 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
4319 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
4006 | 4320 #ifndef USDT2 |
0 | 4321 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
4006 | 4322 #else /* USDT2 */ |
4323 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
4324 ret); | |
4325 #endif /* USDT2 */ | |
0 | 4326 return ret; |
4327 JNI_END | |
4328 | |
4329 // Must be JNI_ENTRY (with HandleMark) | |
4330 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
4331 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
4006 | 4332 #ifndef USDT2 |
0 | 4333 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
4006 | 4334 #else /* USDT2 */ |
4335 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
4336 env, ref); | |
4337 #endif /* USDT2 */ | |
0 | 4338 JNIHandles::destroy_weak_global(ref); |
4006 | 4339 #ifndef USDT2 |
0 | 4340 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
4006 | 4341 #else /* USDT2 */ |
4342 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
4343 ); | |
4344 #endif /* USDT2 */ | |
0 | 4345 JNI_END |
4346 | |
4347 | |
4348 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
4349 JNIWrapper("jni_ExceptionCheck"); | |
4006 | 4350 #ifndef USDT2 |
0 | 4351 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
4006 | 4352 #else /* USDT2 */ |
4353 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
4354 env); | |
4355 #endif /* USDT2 */ | |
0 | 4356 jni_check_async_exceptions(thread); |
4357 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
4006 | 4358 #ifndef USDT2 |
0 | 4359 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
4006 | 4360 #else /* USDT2 */ |
4361 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
4362 ret); | |
4363 #endif /* USDT2 */ | |
0 | 4364 return ret; |
4365 JNI_END | |
4366 | |
4367 | |
4368 // Initialization state for three routines below relating to | |
4369 // java.nio.DirectBuffers | |
4370 static jint directBufferSupportInitializeStarted = 0; | |
4371 static volatile jint directBufferSupportInitializeEnded = 0; | |
4372 static volatile jint directBufferSupportInitializeFailed = 0; | |
4373 static jclass bufferClass = NULL; | |
4374 static jclass directBufferClass = NULL; | |
4375 static jclass directByteBufferClass = NULL; | |
4376 static jmethodID directByteBufferConstructor = NULL; | |
4377 static jfieldID directBufferAddressField = NULL; | |
4378 static jfieldID bufferCapacityField = NULL; | |
4379 | |
4380 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
4381 Handle loader; // null (bootstrap) loader | |
4382 Handle protection_domain; // null protection domain | |
4383 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
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diff
changeset
|
4384 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
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579
diff
changeset
|
4385 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
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|
4386 |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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diff
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|
4387 if (TraceClassResolution && result != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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changeset
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4388 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
657
715dceaa89b7
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|
4389 } |
715dceaa89b7
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diff
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|
4390 return result; |
0 | 4391 } |
4392 | |
4393 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
4394 // circumvent any security checks that would be done by jni_FindClass. | |
4395 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
4396 { | |
4397 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
4398 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
4399 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
4400 return true; | |
4401 } | |
4402 JNI_END | |
4403 | |
4404 | |
4405 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
4406 if (directBufferSupportInitializeFailed) { | |
4407 return false; | |
4408 } | |
4409 | |
4410 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
4411 if (!lookupDirectBufferClasses(env)) { | |
4412 directBufferSupportInitializeFailed = 1; | |
4413 return false; | |
4414 } | |
4415 | |
4416 // Make global references for these | |
4417 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
4418 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
4419 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
4420 | |
4421 // Get needed field and method IDs | |
4422 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
4423 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
4424 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
4425 | |
4426 if ((directByteBufferConstructor == NULL) || | |
4427 (directBufferAddressField == NULL) || | |
4428 (bufferCapacityField == NULL)) { | |
4429 directBufferSupportInitializeFailed = 1; | |
4430 return false; | |
4431 } | |
4432 | |
4433 directBufferSupportInitializeEnded = 1; | |
4434 } else { | |
4435 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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diff
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|
4436 // 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
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changeset
|
4437 // 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
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diff
changeset
|
4438 // is not necessary. The following call to change the VM state is purposely |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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parents:
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diff
changeset
|
4439 // put inside the loop to avoid potential deadlock when multiple threads |
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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parents:
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diff
changeset
|
4440 // try to call this method. See 6791815 for more details. |
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|
4441 ThreadInVMfromNative tivn(thread); |
0 | 4442 os::yield_all(); |
4443 } | |
4444 } | |
4445 | |
4446 return !directBufferSupportInitializeFailed; | |
4447 } | |
4448 | |
4449 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
4450 { | |
4451 // thread_from_jni_environment() will block if VM is gone. | |
4452 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4453 | |
4454 JNIWrapper("jni_NewDirectByteBuffer"); | |
4006 | 4455 #ifndef USDT2 |
0 | 4456 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
4006 | 4457 #else /* USDT2 */ |
4458 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
4459 env, address, capacity); | |
4460 #endif /* USDT2 */ | |
0 | 4461 |
4462 if (!directBufferSupportInitializeEnded) { | |
4463 if (!initializeDirectBufferSupport(env, thread)) { | |
4006 | 4464 #ifndef USDT2 |
0 | 4465 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
4006 | 4466 #else /* USDT2 */ |
4467 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4468 NULL); | |
4469 #endif /* USDT2 */ | |
0 | 4470 return NULL; |
4471 } | |
4472 } | |
4473 | |
4474 // Being paranoid about accidental sign extension on address | |
4475 jlong addr = (jlong) ((uintptr_t) address); | |
4476 // NOTE that package-private DirectByteBuffer constructor currently | |
4477 // takes int capacity | |
4478 jint cap = (jint) capacity; | |
4479 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
4006 | 4480 #ifndef USDT2 |
0 | 4481 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
4006 | 4482 #else /* USDT2 */ |
4483 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
4484 ret); | |
4485 #endif /* USDT2 */ | |
0 | 4486 return ret; |
4487 } | |
4488 | |
4006 | 4489 #ifndef USDT2 |
0 | 4490 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
4006 | 4491 #else /* USDT2 */ |
4492 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
4493 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
4494 #endif /* USDT2 */ | |
0 | 4495 |
4496 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
4497 { | |
4498 // thread_from_jni_environment() will block if VM is gone. | |
4499 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4500 | |
4501 JNIWrapper("jni_GetDirectBufferAddress"); | |
4006 | 4502 #ifndef USDT2 |
0 | 4503 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
4006 | 4504 #else /* USDT2 */ |
4505 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
4506 env, buf); | |
4507 #endif /* USDT2 */ | |
0 | 4508 void* ret = NULL; |
4509 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
4510 | |
4511 if (!directBufferSupportInitializeEnded) { | |
4512 if (!initializeDirectBufferSupport(env, thread)) { | |
4513 return 0; | |
4514 } | |
4515 } | |
4516 | |
4517 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
4518 return 0; | |
4519 } | |
4520 | |
4521 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
4522 return ret; | |
4523 } | |
4524 | |
4006 | 4525 #ifndef USDT2 |
0 | 4526 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
4006 | 4527 #else /* USDT2 */ |
4528 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
4529 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
4530 #endif /* USDT2 */ | |
0 | 4531 |
4532 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
4533 { | |
4534 // thread_from_jni_environment() will block if VM is gone. | |
4535 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
4536 | |
4537 JNIWrapper("jni_GetDirectBufferCapacity"); | |
4006 | 4538 #ifndef USDT2 |
0 | 4539 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
4006 | 4540 #else /* USDT2 */ |
4541 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
4542 env, buf); | |
4543 #endif /* USDT2 */ | |
0 | 4544 jlong ret = -1; |
4545 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
4546 | |
4547 if (!directBufferSupportInitializeEnded) { | |
4548 if (!initializeDirectBufferSupport(env, thread)) { | |
4549 ret = 0; | |
4550 return ret; | |
4551 } | |
4552 } | |
4553 | |
4554 if (buf == NULL) { | |
4555 return -1; | |
4556 } | |
4557 | |
4558 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
4559 return -1; | |
4560 } | |
4561 | |
4562 // NOTE that capacity is currently an int in the implementation | |
4563 ret = env->GetIntField(buf, bufferCapacityField); | |
4564 return ret; | |
4565 } | |
4566 | |
4567 | |
4568 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
4569 JNIWrapper("GetVersion"); | |
4006 | 4570 #ifndef USDT2 |
0 | 4571 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
4006 | 4572 #else /* USDT2 */ |
4573 HOTSPOT_JNI_GETVERSION_ENTRY( | |
4574 env); | |
4575 #endif /* USDT2 */ | |
4576 #ifndef USDT2 | |
0 | 4577 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
4006 | 4578 #else /* USDT2 */ |
4579 HOTSPOT_JNI_GETVERSION_RETURN( | |
4580 CurrentVersion); | |
4581 #endif /* USDT2 */ | |
0 | 4582 return CurrentVersion; |
4583 JNI_END | |
4584 | |
4585 extern struct JavaVM_ main_vm; | |
4586 | |
4587 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
4588 JNIWrapper("jni_GetJavaVM"); | |
4006 | 4589 #ifndef USDT2 |
0 | 4590 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
4006 | 4591 #else /* USDT2 */ |
4592 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
4593 env, (void **) vm); | |
4594 #endif /* USDT2 */ | |
0 | 4595 *vm = (JavaVM *)(&main_vm); |
4006 | 4596 #ifndef USDT2 |
0 | 4597 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
4006 | 4598 #else /* USDT2 */ |
4599 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
4600 JNI_OK); | |
4601 #endif /* USDT2 */ | |
0 | 4602 return JNI_OK; |
4603 JNI_END | |
4604 | |
4605 // Structure containing all jni functions | |
4606 struct JNINativeInterface_ jni_NativeInterface = { | |
4607 NULL, | |
4608 NULL, | |
4609 NULL, | |
4610 | |
4611 NULL, | |
4612 | |
4613 jni_GetVersion, | |
4614 | |
4615 jni_DefineClass, | |
4616 jni_FindClass, | |
4617 | |
4618 jni_FromReflectedMethod, | |
4619 jni_FromReflectedField, | |
4620 | |
4621 jni_ToReflectedMethod, | |
4622 | |
4623 jni_GetSuperclass, | |
4624 jni_IsAssignableFrom, | |
4625 | |
4626 jni_ToReflectedField, | |
4627 | |
4628 jni_Throw, | |
4629 jni_ThrowNew, | |
4630 jni_ExceptionOccurred, | |
4631 jni_ExceptionDescribe, | |
4632 jni_ExceptionClear, | |
4633 jni_FatalError, | |
4634 | |
4635 jni_PushLocalFrame, | |
4636 jni_PopLocalFrame, | |
4637 | |
4638 jni_NewGlobalRef, | |
4639 jni_DeleteGlobalRef, | |
4640 jni_DeleteLocalRef, | |
4641 jni_IsSameObject, | |
4642 | |
4643 jni_NewLocalRef, | |
4644 jni_EnsureLocalCapacity, | |
4645 | |
4646 jni_AllocObject, | |
4647 jni_NewObject, | |
4648 jni_NewObjectV, | |
4649 jni_NewObjectA, | |
4650 | |
4651 jni_GetObjectClass, | |
4652 jni_IsInstanceOf, | |
4653 | |
4654 jni_GetMethodID, | |
4655 | |
4656 jni_CallObjectMethod, | |
4657 jni_CallObjectMethodV, | |
4658 jni_CallObjectMethodA, | |
4659 jni_CallBooleanMethod, | |
4660 jni_CallBooleanMethodV, | |
4661 jni_CallBooleanMethodA, | |
4662 jni_CallByteMethod, | |
4663 jni_CallByteMethodV, | |
4664 jni_CallByteMethodA, | |
4665 jni_CallCharMethod, | |
4666 jni_CallCharMethodV, | |
4667 jni_CallCharMethodA, | |
4668 jni_CallShortMethod, | |
4669 jni_CallShortMethodV, | |
4670 jni_CallShortMethodA, | |
4671 jni_CallIntMethod, | |
4672 jni_CallIntMethodV, | |
4673 jni_CallIntMethodA, | |
4674 jni_CallLongMethod, | |
4675 jni_CallLongMethodV, | |
4676 jni_CallLongMethodA, | |
4677 jni_CallFloatMethod, | |
4678 jni_CallFloatMethodV, | |
4679 jni_CallFloatMethodA, | |
4680 jni_CallDoubleMethod, | |
4681 jni_CallDoubleMethodV, | |
4682 jni_CallDoubleMethodA, | |
4683 jni_CallVoidMethod, | |
4684 jni_CallVoidMethodV, | |
4685 jni_CallVoidMethodA, | |
4686 | |
4687 jni_CallNonvirtualObjectMethod, | |
4688 jni_CallNonvirtualObjectMethodV, | |
4689 jni_CallNonvirtualObjectMethodA, | |
4690 jni_CallNonvirtualBooleanMethod, | |
4691 jni_CallNonvirtualBooleanMethodV, | |
4692 jni_CallNonvirtualBooleanMethodA, | |
4693 jni_CallNonvirtualByteMethod, | |
4694 jni_CallNonvirtualByteMethodV, | |
4695 jni_CallNonvirtualByteMethodA, | |
4696 jni_CallNonvirtualCharMethod, | |
4697 jni_CallNonvirtualCharMethodV, | |
4698 jni_CallNonvirtualCharMethodA, | |
4699 jni_CallNonvirtualShortMethod, | |
4700 jni_CallNonvirtualShortMethodV, | |
4701 jni_CallNonvirtualShortMethodA, | |
4702 jni_CallNonvirtualIntMethod, | |
4703 jni_CallNonvirtualIntMethodV, | |
4704 jni_CallNonvirtualIntMethodA, | |
4705 jni_CallNonvirtualLongMethod, | |
4706 jni_CallNonvirtualLongMethodV, | |
4707 jni_CallNonvirtualLongMethodA, | |
4708 jni_CallNonvirtualFloatMethod, | |
4709 jni_CallNonvirtualFloatMethodV, | |
4710 jni_CallNonvirtualFloatMethodA, | |
4711 jni_CallNonvirtualDoubleMethod, | |
4712 jni_CallNonvirtualDoubleMethodV, | |
4713 jni_CallNonvirtualDoubleMethodA, | |
4714 jni_CallNonvirtualVoidMethod, | |
4715 jni_CallNonvirtualVoidMethodV, | |
4716 jni_CallNonvirtualVoidMethodA, | |
4717 | |
4718 jni_GetFieldID, | |
4719 | |
4720 jni_GetObjectField, | |
4721 jni_GetBooleanField, | |
4722 jni_GetByteField, | |
4723 jni_GetCharField, | |
4724 jni_GetShortField, | |
4725 jni_GetIntField, | |
4726 jni_GetLongField, | |
4727 jni_GetFloatField, | |
4728 jni_GetDoubleField, | |
4729 | |
4730 jni_SetObjectField, | |
4731 jni_SetBooleanField, | |
4732 jni_SetByteField, | |
4733 jni_SetCharField, | |
4734 jni_SetShortField, | |
4735 jni_SetIntField, | |
4736 jni_SetLongField, | |
4737 jni_SetFloatField, | |
4738 jni_SetDoubleField, | |
4739 | |
4740 jni_GetStaticMethodID, | |
4741 | |
4742 jni_CallStaticObjectMethod, | |
4743 jni_CallStaticObjectMethodV, | |
4744 jni_CallStaticObjectMethodA, | |
4745 jni_CallStaticBooleanMethod, | |
4746 jni_CallStaticBooleanMethodV, | |
4747 jni_CallStaticBooleanMethodA, | |
4748 jni_CallStaticByteMethod, | |
4749 jni_CallStaticByteMethodV, | |
4750 jni_CallStaticByteMethodA, | |
4751 jni_CallStaticCharMethod, | |
4752 jni_CallStaticCharMethodV, | |
4753 jni_CallStaticCharMethodA, | |
4754 jni_CallStaticShortMethod, | |
4755 jni_CallStaticShortMethodV, | |
4756 jni_CallStaticShortMethodA, | |
4757 jni_CallStaticIntMethod, | |
4758 jni_CallStaticIntMethodV, | |
4759 jni_CallStaticIntMethodA, | |
4760 jni_CallStaticLongMethod, | |
4761 jni_CallStaticLongMethodV, | |
4762 jni_CallStaticLongMethodA, | |
4763 jni_CallStaticFloatMethod, | |
4764 jni_CallStaticFloatMethodV, | |
4765 jni_CallStaticFloatMethodA, | |
4766 jni_CallStaticDoubleMethod, | |
4767 jni_CallStaticDoubleMethodV, | |
4768 jni_CallStaticDoubleMethodA, | |
4769 jni_CallStaticVoidMethod, | |
4770 jni_CallStaticVoidMethodV, | |
4771 jni_CallStaticVoidMethodA, | |
4772 | |
4773 jni_GetStaticFieldID, | |
4774 | |
4775 jni_GetStaticObjectField, | |
4776 jni_GetStaticBooleanField, | |
4777 jni_GetStaticByteField, | |
4778 jni_GetStaticCharField, | |
4779 jni_GetStaticShortField, | |
4780 jni_GetStaticIntField, | |
4781 jni_GetStaticLongField, | |
4782 jni_GetStaticFloatField, | |
4783 jni_GetStaticDoubleField, | |
4784 | |
4785 jni_SetStaticObjectField, | |
4786 jni_SetStaticBooleanField, | |
4787 jni_SetStaticByteField, | |
4788 jni_SetStaticCharField, | |
4789 jni_SetStaticShortField, | |
4790 jni_SetStaticIntField, | |
4791 jni_SetStaticLongField, | |
4792 jni_SetStaticFloatField, | |
4793 jni_SetStaticDoubleField, | |
4794 | |
4795 jni_NewString, | |
4796 jni_GetStringLength, | |
4797 jni_GetStringChars, | |
4798 jni_ReleaseStringChars, | |
4799 | |
4800 jni_NewStringUTF, | |
4801 jni_GetStringUTFLength, | |
4802 jni_GetStringUTFChars, | |
4803 jni_ReleaseStringUTFChars, | |
4804 | |
4805 jni_GetArrayLength, | |
4806 | |
4807 jni_NewObjectArray, | |
4808 jni_GetObjectArrayElement, | |
4809 jni_SetObjectArrayElement, | |
4810 | |
4811 jni_NewBooleanArray, | |
4812 jni_NewByteArray, | |
4813 jni_NewCharArray, | |
4814 jni_NewShortArray, | |
4815 jni_NewIntArray, | |
4816 jni_NewLongArray, | |
4817 jni_NewFloatArray, | |
4818 jni_NewDoubleArray, | |
4819 | |
4820 jni_GetBooleanArrayElements, | |
4821 jni_GetByteArrayElements, | |
4822 jni_GetCharArrayElements, | |
4823 jni_GetShortArrayElements, | |
4824 jni_GetIntArrayElements, | |
4825 jni_GetLongArrayElements, | |
4826 jni_GetFloatArrayElements, | |
4827 jni_GetDoubleArrayElements, | |
4828 | |
4829 jni_ReleaseBooleanArrayElements, | |
4830 jni_ReleaseByteArrayElements, | |
4831 jni_ReleaseCharArrayElements, | |
4832 jni_ReleaseShortArrayElements, | |
4833 jni_ReleaseIntArrayElements, | |
4834 jni_ReleaseLongArrayElements, | |
4835 jni_ReleaseFloatArrayElements, | |
4836 jni_ReleaseDoubleArrayElements, | |
4837 | |
4838 jni_GetBooleanArrayRegion, | |
4839 jni_GetByteArrayRegion, | |
4840 jni_GetCharArrayRegion, | |
4841 jni_GetShortArrayRegion, | |
4842 jni_GetIntArrayRegion, | |
4843 jni_GetLongArrayRegion, | |
4844 jni_GetFloatArrayRegion, | |
4845 jni_GetDoubleArrayRegion, | |
4846 | |
4847 jni_SetBooleanArrayRegion, | |
4848 jni_SetByteArrayRegion, | |
4849 jni_SetCharArrayRegion, | |
4850 jni_SetShortArrayRegion, | |
4851 jni_SetIntArrayRegion, | |
4852 jni_SetLongArrayRegion, | |
4853 jni_SetFloatArrayRegion, | |
4854 jni_SetDoubleArrayRegion, | |
4855 | |
4856 jni_RegisterNatives, | |
4857 jni_UnregisterNatives, | |
4858 | |
4859 jni_MonitorEnter, | |
4860 jni_MonitorExit, | |
4861 | |
4862 jni_GetJavaVM, | |
4863 | |
4864 jni_GetStringRegion, | |
4865 jni_GetStringUTFRegion, | |
4866 | |
4867 jni_GetPrimitiveArrayCritical, | |
4868 jni_ReleasePrimitiveArrayCritical, | |
4869 | |
4870 jni_GetStringCritical, | |
4871 jni_ReleaseStringCritical, | |
4872 | |
4873 jni_NewWeakGlobalRef, | |
4874 jni_DeleteWeakGlobalRef, | |
4875 | |
4876 jni_ExceptionCheck, | |
4877 | |
4878 jni_NewDirectByteBuffer, | |
4879 jni_GetDirectBufferAddress, | |
4880 jni_GetDirectBufferCapacity, | |
4881 | |
4882 // New 1_6 features | |
4883 | |
4884 jni_GetObjectRefType | |
4885 }; | |
4886 | |
4887 | |
4888 // For jvmti use to modify jni function table. | |
4889 // Java threads in native contiues to run until it is transitioned | |
4890 // to VM at safepoint. Before the transition or before it is blocked | |
4891 // for safepoint it may access jni function table. VM could crash if | |
4892 // any java thread access the jni function table in the middle of memcpy. | |
4893 // To avoid this each function pointers are copied automically. | |
4894 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
4895 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
4896 intptr_t *a = (intptr_t *) jni_functions(); | |
4897 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
4898 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
4899 Atomic::store_ptr(*b++, a++); | |
4900 } | |
4901 } | |
4902 | |
4903 void quicken_jni_functions() { | |
4904 // Replace Get<Primitive>Field with fast versions | |
4905 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
4906 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
4907 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
4908 // windows x86 currently needs SEH wrapper and the gain of the fast | |
4909 // versions currently isn't certain for server vm on uniprocessor. | |
4910 && os::is_MP() | |
4911 #endif | |
4912 ) { | |
4913 address func; | |
4914 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
4915 if (func != (address)-1) { | |
4916 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
4917 } | |
4918 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
4919 if (func != (address)-1) { | |
4920 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
4921 } | |
4922 func = JNI_FastGetField::generate_fast_get_char_field(); | |
4923 if (func != (address)-1) { | |
4924 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
4925 } | |
4926 func = JNI_FastGetField::generate_fast_get_short_field(); | |
4927 if (func != (address)-1) { | |
4928 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
4929 } | |
4930 func = JNI_FastGetField::generate_fast_get_int_field(); | |
4931 if (func != (address)-1) { | |
4932 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
4933 } | |
4934 func = JNI_FastGetField::generate_fast_get_long_field(); | |
4935 if (func != (address)-1) { | |
4936 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
4937 } | |
4938 func = JNI_FastGetField::generate_fast_get_float_field(); | |
4939 if (func != (address)-1) { | |
4940 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
4941 } | |
4942 func = JNI_FastGetField::generate_fast_get_double_field(); | |
4943 if (func != (address)-1) { | |
4944 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
4945 } | |
4946 } | |
4947 } | |
4948 | |
4949 // Returns the function structure | |
4950 struct JNINativeInterface_* jni_functions() { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
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diff
changeset
|
4951 #if INCLUDE_JNI_CHECK |
0 | 4952 if (CheckJNICalls) return jni_functions_check(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4953 #endif // INCLUDE_JNI_CHECK |
0 | 4954 return &jni_NativeInterface; |
4955 } | |
4956 | |
4957 // Returns the function structure | |
4958 struct JNINativeInterface_* jni_functions_nocheck() { | |
4959 return &jni_NativeInterface; | |
4960 } | |
4961 | |
4962 | |
4963 // Invocation API | |
4964 | |
4965 | |
4966 // Forward declaration | |
4967 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
4968 | |
4969 // Global invocation API vars | |
4970 volatile jint vm_created = 0; | |
4971 // Indicate whether it is safe to recreate VM | |
4972 volatile jint safe_to_recreate_vm = 1; | |
4973 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
4974 | |
4975 | |
4976 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
4977 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
4978 | |
4006 | 4979 #ifndef USDT2 |
0 | 4980 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
4981 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
4006 | 4982 #else /* USDT2 */ |
4983 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
4984 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
4985 #endif /* USDT2 */ | |
0 | 4986 |
4987 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
4006 | 4988 #ifndef USDT2 |
0 | 4989 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
4006 | 4990 #else /* USDT2 */ |
4991 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
4992 args_); | |
4993 #endif /* USDT2 */ | |
0 | 4994 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
4995 jint ret = JNI_ERR; | |
4996 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
4997 | |
4998 if (Threads::is_supported_jni_version(args->version)) { | |
4999 ret = JNI_OK; | |
5000 } | |
5001 // 1.1 style no longer supported in hotspot. | |
5002 // According the JNI spec, we should update args->version on return. | |
5003 // We also use the structure to communicate with launcher about default | |
5004 // stack size. | |
5005 if (args->version == JNI_VERSION_1_1) { | |
5006 args->version = JNI_VERSION_1_2; | |
5007 // javaStackSize is int in arguments structure | |
5008 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
5009 args->javaStackSize = (jint)(ThreadStackSize * K); | |
5010 } | |
5011 return ret; | |
5012 } | |
5013 | |
3779 | 5014 #ifndef PRODUCT |
5015 | |
10405 | 5016 #include "gc_implementation/shared/gcTimer.hpp" |
4708 | 5017 #include "gc_interface/collectedHeap.hpp" |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
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9060
diff
changeset
|
5018 #if INCLUDE_ALL_GCS |
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
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diff
changeset
|
5019 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
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diff
changeset
|
5020 #endif |
3779 | 5021 #include "utilities/quickSort.hpp" |
7171 | 5022 #if INCLUDE_VM_STRUCTS |
5023 #include "runtime/vmStructs.hpp" | |
5024 #endif | |
3779 | 5025 |
4708 | 5026 #define run_unit_test(unit_test_function_call) \ |
5027 tty->print_cr("Running test: " #unit_test_function_call); \ | |
5028 unit_test_function_call | |
5029 | |
3779 | 5030 void execute_internal_vm_tests() { |
5031 if (ExecuteInternalVMTests) { | |
4708 | 5032 tty->print_cr("Running internal VM tests"); |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
5033 run_unit_test(GlobalDefinitions::test_globals()); |
10405 | 5034 run_unit_test(GCTimerAllTest::all()); |
4708 | 5035 run_unit_test(arrayOopDesc::test_max_array_length()); |
5036 run_unit_test(CollectedHeap::test_is_in()); | |
5037 run_unit_test(QuickSort::test_quick_sort()); | |
6162 | 5038 run_unit_test(AltHashing::test_alt_hash()); |
7171 | 5039 #if INCLUDE_VM_STRUCTS |
5040 run_unit_test(VMStructs::test()); | |
5041 #endif | |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5042 #if INCLUDE_ALL_GCS |
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5043 run_unit_test(HeapRegionRemSet::test_prt()); |
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5044 #endif |
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5045 tty->print_cr("All internal VM tests passed"); |
3779 | 5046 } |
5047 } | |
5048 | |
4708 | 5049 #undef run_unit_test |
5050 | |
3779 | 5051 #endif |
5052 | |
4006 | 5053 #ifndef USDT2 |
0 | 5054 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
5055 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
4006 | 5056 #else /* USDT2 */ |
5057 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
5058 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
5059 #endif /* USDT2 */ | |
0 | 5060 |
5061 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
4006 | 5062 #ifndef USDT2 |
0 | 5063 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
4006 | 5064 #else /* USDT2 */ |
5065 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
5066 (void **) vm, penv, args); | |
5067 #endif /* USDT2 */ | |
0 | 5068 |
5069 jint result = JNI_ERR; | |
5070 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
5071 | |
1078 | 5072 // We're about to use Atomic::xchg for synchronization. Some Zero |
5073 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
5074 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
5075 // on all architectures. So we check it works before relying on it. | |
5076 #if defined(ZERO) && defined(ASSERT) | |
5077 { | |
5078 jint a = 0xcafebabe; | |
5079 jint b = Atomic::xchg(0xdeadbeef, &a); | |
5080 void *c = &a; | |
5081 void *d = Atomic::xchg_ptr(&b, &c); | |
1132 | 5082 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
1078 | 5083 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
5084 } | |
5085 #endif // ZERO && ASSERT | |
5086 | |
0 | 5087 // At the moment it's only possible to have one Java VM, |
5088 // since some of the runtime state is in global variables. | |
5089 | |
5090 // We cannot use our mutex locks here, since they only work on | |
5091 // Threads. We do an atomic compare and exchange to ensure only | |
5092 // one thread can call this method at a time | |
5093 | |
5094 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
5095 // the add/dec implementations are dependent on whether we are running | |
5096 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
5097 // function used to determine this will always return false. Atomic::xchg | |
5098 // does not have this problem. | |
5099 if (Atomic::xchg(1, &vm_created) == 1) { | |
11089
f323bbb0e6c1
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coleenp
parents:
11059
diff
changeset
|
5100 return JNI_EEXIST; // already created, or create attempt in progress |
0 | 5101 } |
5102 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
5103 return JNI_ERR; // someone tried and failed and retry not allowed. | |
5104 } | |
5105 | |
5106 assert(vm_created == 1, "vm_created is true during the creation"); | |
5107 | |
5108 /** | |
5109 * Certain errors during initialization are recoverable and do not | |
5110 * prevent this method from being called again at a later time | |
5111 * (perhaps with different arguments). However, at a certain | |
5112 * point during initialization if an error occurs we cannot allow | |
5113 * this function to be called again (or it will crash). In those | |
5114 * situations, the 'canTryAgain' flag is set to false, which atomically | |
5115 * sets safe_to_recreate_vm to 1, such that any new call to | |
5116 * JNI_CreateJavaVM will immediately fail using the above logic. | |
5117 */ | |
5118 bool can_try_again = true; | |
5119 | |
5120 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
5121 if (result == JNI_OK) { | |
5122 JavaThread *thread = JavaThread::current(); | |
5123 /* thread is thread_in_vm here */ | |
5124 *vm = (JavaVM *)(&main_vm); | |
5125 *(JNIEnv**)penv = thread->jni_environment(); | |
5126 | |
5127 // Tracks the time application was running before GC | |
5128 RuntimeService::record_application_start(); | |
5129 | |
5130 // Notify JVMTI | |
5131 if (JvmtiExport::should_post_thread_life()) { | |
5132 JvmtiExport::post_thread_start(thread); | |
5133 } | |
4800
94ec88ca68e2
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parents:
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diff
changeset
|
5134 |
10405 | 5135 EventThreadStart event; |
5136 if (event.should_commit()) { | |
5137 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
5138 event.commit(); | |
5139 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5140 |
11092
59b052799158
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dcubed
parents:
11089
diff
changeset
|
5141 #ifndef PRODUCT |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
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parents:
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diff
changeset
|
5142 #ifndef TARGET_OS_FAMILY_windows |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
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diff
changeset
|
5143 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f() |
59b052799158
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dcubed
parents:
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diff
changeset
|
5144 #endif |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
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parents:
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diff
changeset
|
5145 |
0 | 5146 // Check if we should compile all classes on bootclasspath |
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5147 if (CompileTheWorld) ClassLoader::compile_the_world(); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5148 if (ReplayCompiles) ciReplay::replay(thread); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5149 |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5150 // Some platforms (like Win*) need a wrapper around these test |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5151 // functions in order to properly handle error conditions. |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
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diff
changeset
|
5152 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
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diff
changeset
|
5153 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5154 #endif |
59b052799158
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dcubed
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11089
diff
changeset
|
5155 |
0 | 5156 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
5157 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5158 } else { | |
5159 if (can_try_again) { | |
5160 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
5161 safe_to_recreate_vm = 1; | |
5162 } | |
5163 | |
5164 // Creation failed. We must reset vm_created | |
5165 *vm = 0; | |
5166 *(JNIEnv**)penv = 0; | |
5167 // reset vm_created last to avoid race condition. Use OrderAccess to | |
5168 // control both compiler and architectural-based reordering. | |
5169 OrderAccess::release_store(&vm_created, 0); | |
5170 } | |
5171 | |
5172 return result; | |
5173 } | |
5174 | |
4006 | 5175 #ifndef USDT2 |
0 | 5176 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5177 JavaVM**, jsize, jsize*); | |
5178 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
4006 | 5179 #endif /* !USDT2 */ |
0 | 5180 |
5181 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
5182 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
5183 // JNIWrapper("GetCreatedJavaVMs"); | |
4006 | 5184 #ifndef USDT2 |
0 | 5185 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
5186 vm_buf, bufLen, numVMs); | |
4006 | 5187 #else /* USDT2 */ |
5188 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
5189 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
5190 #endif /* USDT2 */ | |
0 | 5191 if (vm_created) { |
5192 if (numVMs != NULL) *numVMs = 1; | |
5193 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
5194 } else { | |
5195 if (numVMs != NULL) *numVMs = 0; | |
5196 } | |
4006 | 5197 #ifndef USDT2 |
0 | 5198 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
4006 | 5199 #else /* USDT2 */ |
5200 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
5201 JNI_OK); | |
5202 #endif /* USDT2 */ | |
0 | 5203 return JNI_OK; |
5204 } | |
5205 | |
5206 extern "C" { | |
5207 | |
4006 | 5208 #ifndef USDT2 |
0 | 5209 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
4006 | 5210 #else /* USDT2 */ |
5211 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
5212 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
5213 #endif /* USDT2 */ | |
0 | 5214 |
5215 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
4006 | 5216 #ifndef USDT2 |
0 | 5217 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
4006 | 5218 #else /* USDT2 */ |
5219 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
5220 vm); | |
5221 #endif /* USDT2 */ | |
0 | 5222 jint res = JNI_ERR; |
5223 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
5224 | |
5225 if (!vm_created) { | |
5226 res = JNI_ERR; | |
5227 return res; | |
5228 } | |
5229 | |
5230 JNIWrapper("DestroyJavaVM"); | |
5231 JNIEnv *env; | |
5232 JavaVMAttachArgs destroyargs; | |
5233 destroyargs.version = CurrentVersion; | |
5234 destroyargs.name = (char *)"DestroyJavaVM"; | |
5235 destroyargs.group = NULL; | |
5236 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
5237 if (res != JNI_OK) { | |
5238 return res; | |
5239 } | |
5240 | |
5241 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
5242 JavaThread* thread = JavaThread::current(); | |
5243 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5244 if (Threads::destroy_vm()) { | |
5245 // Should not change thread state, VM is gone | |
5246 vm_created = false; | |
5247 res = JNI_OK; | |
5248 return res; | |
5249 } else { | |
5250 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5251 res = JNI_ERR; | |
5252 return res; | |
5253 } | |
5254 } | |
5255 | |
5256 | |
5257 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
5258 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
5259 | |
5260 // Check below commented out from JDK1.2fcs as well | |
5261 /* | |
5262 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
5263 return JNI_EVERSION; | |
5264 } | |
5265 */ | |
5266 | |
5267 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
5268 if (t != NULL) { | |
5269 // If the thread has been attached this operation is a no-op | |
5270 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
5271 return JNI_OK; | |
5272 } | |
5273 | |
5274 // Create a thread and mark it as attaching so it will be skipped by the | |
5275 // ThreadsListEnumerator - see CR 6404306 | |
5276 JavaThread* thread = new JavaThread(true); | |
5277 | |
5278 // Set correct safepoint info. The thread is going to call into Java when | |
5279 // initializing the Java level thread object. Hence, the correct state must | |
5280 // be set in order for the Safepoint code to deal with it correctly. | |
5281 thread->set_thread_state(_thread_in_vm); | |
5282 // Must do this before initialize_thread_local_storage | |
5283 thread->record_stack_base_and_size(); | |
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5284 |
0 | 5285 thread->initialize_thread_local_storage(); |
5286 | |
5287 if (!os::create_attached_thread(thread)) { | |
5288 delete thread; | |
5289 return JNI_ERR; | |
5290 } | |
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5291 // Enable stack overflow checks |
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5292 thread->create_stack_guard_pages(); |
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|
5293 |
0 | 5294 thread->initialize_tlab(); |
5295 | |
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5296 thread->cache_global_variables(); |
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5297 |
0 | 5298 // Crucial that we do not have a safepoint check for this thread, since it has |
5299 // not been added to the Thread list yet. | |
5300 { Threads_lock->lock_without_safepoint_check(); | |
5301 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
5302 // avoid this thread trying to do a GC before it is added to the thread-list | |
5303 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
5304 Threads::add(thread, daemon); | |
5305 Threads_lock->unlock(); | |
5306 } | |
5307 // Create thread group and name info from attach arguments | |
5308 oop group = NULL; | |
5309 char* thread_name = NULL; | |
5310 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
5311 group = JNIHandles::resolve(args->group); | |
5312 thread_name = args->name; // may be NULL | |
5313 } | |
5314 if (group == NULL) group = Universe::main_thread_group(); | |
5315 | |
5316 // Create Java level thread object and attach it to this thread | |
5317 bool attach_failed = false; | |
5318 { | |
5319 EXCEPTION_MARK; | |
5320 HandleMark hm(THREAD); | |
5321 Handle thread_group(THREAD, group); | |
5322 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
5323 if (HAS_PENDING_EXCEPTION) { | |
5324 CLEAR_PENDING_EXCEPTION; | |
5325 // cleanup outside the handle mark. | |
5326 attach_failed = true; | |
5327 } | |
5328 } | |
5329 | |
5330 if (attach_failed) { | |
5331 // Added missing cleanup | |
5332 thread->cleanup_failed_attach_current_thread(); | |
5333 return JNI_ERR; | |
5334 } | |
5335 | |
5336 // mark the thread as no longer attaching | |
5337 // this uses a fence to push the change through so we don't have | |
5338 // to regrab the threads_lock | |
4006 | 5339 thread->set_done_attaching_via_jni(); |
0 | 5340 |
5341 // Set java thread status. | |
5342 java_lang_Thread::set_thread_status(thread->threadObj(), | |
5343 java_lang_Thread::RUNNABLE); | |
5344 | |
5345 // Notify the debugger | |
5346 if (JvmtiExport::should_post_thread_life()) { | |
5347 JvmtiExport::post_thread_start(thread); | |
5348 } | |
5349 | |
10405 | 5350 EventThreadStart event; |
5351 if (event.should_commit()) { | |
5352 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
5353 event.commit(); | |
5354 } | |
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5355 |
0 | 5356 *(JNIEnv**)penv = thread->jni_environment(); |
5357 | |
5358 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
5359 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
5360 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
5361 // needed. | |
5362 | |
5363 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
5364 | |
5365 // Perform any platform dependent FPU setup | |
5366 os::setup_fpu(); | |
5367 | |
5368 return JNI_OK; | |
5369 } | |
5370 | |
5371 | |
5372 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5373 #ifndef USDT2 |
0 | 5374 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
4006 | 5375 #else /* USDT2 */ |
5376 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
5377 vm, penv, _args); | |
5378 #endif /* USDT2 */ | |
0 | 5379 if (!vm_created) { |
4006 | 5380 #ifndef USDT2 |
0 | 5381 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
4006 | 5382 #else /* USDT2 */ |
5383 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5384 (uint32_t) JNI_ERR); | |
5385 #endif /* USDT2 */ | |
0 | 5386 return JNI_ERR; |
5387 } | |
5388 | |
5389 JNIWrapper("AttachCurrentThread"); | |
5390 jint ret = attach_current_thread(vm, penv, _args, false); | |
4006 | 5391 #ifndef USDT2 |
0 | 5392 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
4006 | 5393 #else /* USDT2 */ |
5394 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
5395 ret); | |
5396 #endif /* USDT2 */ | |
0 | 5397 return ret; |
5398 } | |
5399 | |
5400 | |
5401 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
4006 | 5402 #ifndef USDT2 |
0 | 5403 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
4006 | 5404 #else /* USDT2 */ |
5405 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
5406 vm); | |
5407 #endif /* USDT2 */ | |
0 | 5408 VM_Exit::block_if_vm_exited(); |
5409 | |
5410 JNIWrapper("DetachCurrentThread"); | |
5411 | |
5412 // If the thread has been deattacted the operations is a no-op | |
5413 if (ThreadLocalStorage::thread() == NULL) { | |
4006 | 5414 #ifndef USDT2 |
0 | 5415 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5416 #else /* USDT2 */ |
5417 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5418 JNI_OK); | |
5419 #endif /* USDT2 */ | |
0 | 5420 return JNI_OK; |
5421 } | |
5422 | |
5423 JavaThread* thread = JavaThread::current(); | |
5424 if (thread->has_last_Java_frame()) { | |
4006 | 5425 #ifndef USDT2 |
0 | 5426 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
4006 | 5427 #else /* USDT2 */ |
5428 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5429 (uint32_t) JNI_ERR); | |
5430 #endif /* USDT2 */ | |
0 | 5431 // Can't detach a thread that's running java, that can't work. |
5432 return JNI_ERR; | |
5433 } | |
5434 | |
5435 // Safepoint support. Have to do call-back to safepoint code, if in the | |
5436 // middel of a safepoint operation | |
5437 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
5438 | |
5439 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
5440 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
5441 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
5442 // of the guards is visible in jni_AttachCurrentThread above, | |
5443 // the removal of the guards is buried below in JavaThread::exit() | |
5444 // here. The abstraction should be more symmetrically either exposed | |
5445 // or hidden (e.g. it could probably be hidden in the same | |
5446 // (platform-dependent) methods where we do alternate stack | |
5447 // maintenance work?) | |
5448 thread->exit(false, JavaThread::jni_detach); | |
5449 delete thread; | |
5450 | |
4006 | 5451 #ifndef USDT2 |
0 | 5452 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
4006 | 5453 #else /* USDT2 */ |
5454 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
5455 JNI_OK); | |
5456 #endif /* USDT2 */ | |
0 | 5457 return JNI_OK; |
5458 } | |
5459 | |
4006 | 5460 #ifndef USDT2 |
0 | 5461 DT_RETURN_MARK_DECL(GetEnv, jint); |
4006 | 5462 #else /* USDT2 */ |
5463 DT_RETURN_MARK_DECL(GetEnv, jint | |
5464 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
5465 #endif /* USDT2 */ | |
0 | 5466 |
5467 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
4006 | 5468 #ifndef USDT2 |
0 | 5469 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
4006 | 5470 #else /* USDT2 */ |
5471 HOTSPOT_JNI_GETENV_ENTRY( | |
5472 vm, penv, version); | |
5473 #endif /* USDT2 */ | |
0 | 5474 jint ret = JNI_ERR; |
5475 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
5476 | |
5477 if (!vm_created) { | |
5478 *penv = NULL; | |
5479 ret = JNI_EDETACHED; | |
5480 return ret; | |
5481 } | |
5482 | |
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5483 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
0 | 5484 return ret; |
5485 } | |
5486 | |
5487 #ifndef JVMPI_VERSION_1 | |
5488 // need these in order to be polite about older agents | |
5489 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
5490 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
5491 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
5492 #endif // !JVMPI_VERSION_1 | |
5493 | |
5494 Thread* thread = ThreadLocalStorage::thread(); | |
5495 if (thread != NULL && thread->is_Java_thread()) { | |
5496 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
5497 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
5498 ret = JNI_OK; | |
5499 return ret; | |
5500 | |
5501 } else if (version == JVMPI_VERSION_1 || | |
5502 version == JVMPI_VERSION_1_1 || | |
5503 version == JVMPI_VERSION_1_2) { | |
5504 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
5505 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5506 ret = JNI_EVERSION; | |
5507 return ret; | |
5508 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
5509 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
5510 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
5511 ret = JNI_EVERSION; | |
5512 return ret; | |
5513 } else { | |
5514 *penv = NULL; | |
5515 ret = JNI_EVERSION; | |
5516 return ret; | |
5517 } | |
5518 } else { | |
5519 *penv = NULL; | |
5520 ret = JNI_EDETACHED; | |
5521 return ret; | |
5522 } | |
5523 } | |
5524 | |
5525 | |
5526 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
4006 | 5527 #ifndef USDT2 |
0 | 5528 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
4006 | 5529 #else /* USDT2 */ |
5530 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
5531 vm, penv, _args); | |
5532 #endif /* USDT2 */ | |
0 | 5533 if (!vm_created) { |
4006 | 5534 #ifndef USDT2 |
0 | 5535 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
4006 | 5536 #else /* USDT2 */ |
5537 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5538 (uint32_t) JNI_ERR); | |
5539 #endif /* USDT2 */ | |
0 | 5540 return JNI_ERR; |
5541 } | |
5542 | |
5543 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
5544 jint ret = attach_current_thread(vm, penv, _args, true); | |
4006 | 5545 #ifndef USDT2 |
0 | 5546 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
4006 | 5547 #else /* USDT2 */ |
5548 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
5549 ret); | |
5550 #endif /* USDT2 */ | |
0 | 5551 return ret; |
5552 } | |
5553 | |
5554 | |
5555 } // End extern "C" | |
5556 | |
5557 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
5558 NULL, | |
5559 NULL, | |
5560 NULL, | |
5561 | |
5562 jni_DestroyJavaVM, | |
5563 jni_AttachCurrentThread, | |
5564 jni_DetachCurrentThread, | |
5565 jni_GetEnv, | |
5566 jni_AttachCurrentThreadAsDaemon | |
5567 }; |