Mercurial > hg > graal-compiler
annotate src/share/vm/prims/jni.cpp @ 14752:311bf6c7488b
revert some changes to match upstream files
author | twisti |
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date | Tue, 25 Mar 2014 16:25:02 -0700 |
parents | d8041d695d19 |
children | 4ca6dc0799b6 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2012 Red Hat, Inc. |
0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
0 | 23 * |
24 */ | |
25 | |
1972 | 26 #include "precompiled.hpp" |
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27 #include "ci/ciReplay.hpp" |
6162 | 28 #include "classfile/altHashing.hpp" |
1972 | 29 #include "classfile/classLoader.hpp" |
30 #include "classfile/javaClasses.hpp" | |
31 #include "classfile/symbolTable.hpp" | |
32 #include "classfile/systemDictionary.hpp" | |
33 #include "classfile/vmSymbols.hpp" | |
34 #include "interpreter/linkResolver.hpp" | |
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35 #include "utilities/macros.hpp" |
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36 #ifdef GRAAL |
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37 #include "graal/graalCompiler.hpp" |
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38 #endif |
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39 #if INCLUDE_ALL_GCS |
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40 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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41 #endif // INCLUDE_ALL_GCS |
6197 | 42 #include "memory/allocation.hpp" |
1972 | 43 #include "memory/allocation.inline.hpp" |
44 #include "memory/gcLocker.inline.hpp" | |
45 #include "memory/oopFactory.hpp" | |
46 #include "memory/universe.inline.hpp" | |
47 #include "oops/instanceKlass.hpp" | |
48 #include "oops/instanceOop.hpp" | |
49 #include "oops/markOop.hpp" | |
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50 #include "oops/method.hpp" |
1972 | 51 #include "oops/objArrayKlass.hpp" |
52 #include "oops/objArrayOop.hpp" | |
53 #include "oops/oop.inline.hpp" | |
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54 #include "oops/symbol.hpp" |
1972 | 55 #include "oops/typeArrayKlass.hpp" |
56 #include "oops/typeArrayOop.hpp" | |
57 #include "prims/jni.h" | |
58 #include "prims/jniCheck.hpp" | |
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59 #include "prims/jniExport.hpp" |
1972 | 60 #include "prims/jniFastGetField.hpp" |
61 #include "prims/jvm.h" | |
62 #include "prims/jvm_misc.hpp" | |
63 #include "prims/jvmtiExport.hpp" | |
64 #include "prims/jvmtiThreadState.hpp" | |
65 #include "runtime/compilationPolicy.hpp" | |
66 #include "runtime/fieldDescriptor.hpp" | |
67 #include "runtime/fprofiler.hpp" | |
68 #include "runtime/handles.inline.hpp" | |
69 #include "runtime/interfaceSupport.hpp" | |
70 #include "runtime/java.hpp" | |
71 #include "runtime/javaCalls.hpp" | |
72 #include "runtime/jfieldIDWorkaround.hpp" | |
73 #include "runtime/reflection.hpp" | |
74 #include "runtime/sharedRuntime.hpp" | |
75 #include "runtime/signature.hpp" | |
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76 #include "runtime/thread.inline.hpp" |
1972 | 77 #include "runtime/vm_operations.hpp" |
78 #include "services/runtimeService.hpp" | |
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79 #include "trace/tracing.hpp" |
1972 | 80 #include "utilities/defaultStream.hpp" |
81 #include "utilities/dtrace.hpp" | |
82 #include "utilities/events.hpp" | |
83 #include "utilities/histogram.hpp" | |
84 #ifdef TARGET_OS_FAMILY_linux | |
85 # include "os_linux.inline.hpp" | |
86 #endif | |
87 #ifdef TARGET_OS_FAMILY_solaris | |
88 # include "os_solaris.inline.hpp" | |
89 #endif | |
90 #ifdef TARGET_OS_FAMILY_windows | |
91 # include "os_windows.inline.hpp" | |
92 #endif | |
3960 | 93 #ifdef TARGET_OS_FAMILY_bsd |
94 # include "os_bsd.inline.hpp" | |
95 #endif | |
0 | 96 |
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97 static jint CurrentVersion = JNI_VERSION_1_8; |
0 | 98 |
99 | |
100 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
101 // '-return' probe regardless of the return path is taken out of the function. | |
102 // Methods that have multiple return paths use this to avoid having to | |
103 // instrument each return path. Methods that use CHECK or THROW must use this | |
104 // since those macros can cause an immedate uninstrumented return. | |
105 // | |
106 // In order to get the return value, a reference to the variable containing | |
107 // the return value must be passed to the contructor of the object, and | |
108 // the return value must be set before return (since the mark object has | |
109 // a reference to it). | |
110 // | |
111 // Example: | |
112 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
113 // JNI_ENTRY(int, SomeFunc, ...) | |
114 // int return_value = 0; | |
115 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
116 // foo(CHECK_0) | |
117 // return_value = 5; | |
118 // return return_value; | |
119 // JNI_END | |
4006 | 120 #define DT_RETURN_MARK_DECL(name, type, probe) \ |
121 DTRACE_ONLY( \ | |
122 class DTraceReturnProbeMark_##name { \ | |
123 public: \ | |
124 const type& _ret_ref; \ | |
125 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
126 ~DTraceReturnProbeMark_##name() { \ | |
127 probe; \ | |
128 } \ | |
129 } \ | |
130 ) | |
131 // Void functions are simpler since there's no return value | |
132 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
133 DTRACE_ONLY( \ | |
134 class DTraceReturnProbeMark_##name { \ | |
135 public: \ | |
136 ~DTraceReturnProbeMark_##name() { \ | |
137 probe; \ | |
138 } \ | |
139 } \ | |
140 ) | |
0 | 141 |
142 // Place these macros in the function to mark the return. Non-void | |
143 // functions need the type and address of the return value. | |
144 #define DT_RETURN_MARK(name, type, ref) \ | |
145 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
146 #define DT_VOID_RETURN_MARK(name) \ | |
147 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
148 | |
149 | |
150 // Use these to select distinct code for floating-point vs. non-floating point | |
151 // situations. Used from within common macros where we need slightly | |
152 // different behavior for Float/Double | |
153 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
154 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
155 #define FP_SELECT_Char(intcode, fpcode) intcode | |
156 #define FP_SELECT_Short(intcode, fpcode) intcode | |
157 #define FP_SELECT_Object(intcode, fpcode) intcode | |
158 #define FP_SELECT_Int(intcode, fpcode) intcode | |
159 #define FP_SELECT_Long(intcode, fpcode) intcode | |
160 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
161 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
162 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
163 FP_SELECT_##TypeName(intcode, fpcode) | |
164 | |
165 #define COMMA , | |
166 | |
167 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
168 // (dtrace doesn't do FP yet) | |
4006 | 169 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ |
170 FP_SELECT(TypeName, \ | |
171 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
0 | 172 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
173 FP_SELECT(TypeName, \ | |
174 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
175 | |
176 | |
177 // out-of-line helpers for class jfieldIDWorkaround: | |
178 | |
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179 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
0 | 180 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
181 uintptr_t as_uint = (uintptr_t) id; | |
182 intptr_t offset = raw_instance_offset(id); | |
183 if (is_checked_jfieldID(id)) { | |
184 if (!klass_hash_ok(k, id)) { | |
185 return false; | |
186 } | |
187 } | |
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188 return InstanceKlass::cast(k)->contains_field_offset(offset); |
0 | 189 } else { |
190 JNIid* result = (JNIid*) id; | |
191 #ifdef ASSERT | |
192 return result != NULL && result->is_static_field_id(); | |
193 #else | |
194 return result != NULL; | |
195 #endif | |
196 } | |
197 } | |
198 | |
199 | |
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200 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
0 | 201 if (offset <= small_offset_mask) { |
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202 Klass* field_klass = k; |
6983 | 203 Klass* super_klass = field_klass->super(); |
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204 // With compressed oops the most super class with nonstatic fields would |
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205 // be the owner of fields embedded in the header. |
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206 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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207 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
0 | 208 field_klass = super_klass; // super contains the field also |
6983 | 209 super_klass = field_klass->super(); |
0 | 210 } |
211 debug_only(No_Safepoint_Verifier nosafepoint;) | |
212 uintptr_t klass_hash = field_klass->identity_hash(); | |
213 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
214 } else { | |
215 #if 0 | |
216 #ifndef PRODUCT | |
217 { | |
218 ResourceMark rm; | |
6983 | 219 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
0 | 220 } |
221 #endif | |
222 #endif | |
223 return 0; | |
224 } | |
225 } | |
226 | |
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227 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
0 | 228 uintptr_t as_uint = (uintptr_t) id; |
229 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
230 do { | |
231 debug_only(No_Safepoint_Verifier nosafepoint;) | |
232 // Could use a non-blocking query for identity_hash here... | |
233 if ((k->identity_hash() & klass_mask) == klass_hash) | |
234 return true; | |
6983 | 235 k = k->super(); |
0 | 236 } while (k != NULL); |
237 return false; | |
238 } | |
239 | |
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240 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
0 | 241 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
242 uintptr_t as_uint = (uintptr_t) id; | |
243 intptr_t offset = raw_instance_offset(id); | |
244 if (VerifyJNIFields) { | |
245 if (is_checked_jfieldID(id)) { | |
246 guarantee(klass_hash_ok(k, id), | |
247 "Bug in native code: jfieldID class must match object"); | |
248 } else { | |
249 #if 0 | |
250 #ifndef PRODUCT | |
251 if (Verbose) { | |
252 ResourceMark rm; | |
6983 | 253 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
0 | 254 } |
255 #endif | |
256 #endif | |
257 } | |
258 } | |
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259 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
0 | 260 "Bug in native code: jfieldID offset must address interior of object"); |
261 } | |
262 | |
263 // Pick a reasonable higher bound for local capacity requested | |
264 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
265 // high because a test (or very unusual application) may try to allocate | |
266 // that many handles and run out of swap space. An implementation is | |
267 // permitted to allocate more handles than the ensured capacity, so this | |
268 // value is set high enough to prevent compatibility problems. | |
269 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
270 | |
271 | |
272 // Wrapper to trace JNI functions | |
273 | |
274 #ifdef ASSERT | |
275 Histogram* JNIHistogram; | |
276 static volatile jint JNIHistogram_lock = 0; | |
277 | |
278 class JNITraceWrapper : public StackObj { | |
279 public: | |
280 JNITraceWrapper(const char* format, ...) { | |
281 if (TraceJNICalls) { | |
282 va_list ap; | |
283 va_start(ap, format); | |
284 tty->print("JNI "); | |
285 tty->vprint_cr(format, ap); | |
286 va_end(ap); | |
287 } | |
288 } | |
289 }; | |
290 | |
291 class JNIHistogramElement : public HistogramElement { | |
292 public: | |
293 JNIHistogramElement(const char* name); | |
294 }; | |
295 | |
296 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
297 _name = elementName; | |
298 uintx count = 0; | |
299 | |
300 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
301 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
302 count +=1; | |
303 if ( (WarnOnStalledSpinLock > 0) | |
304 && (count % WarnOnStalledSpinLock == 0)) { | |
305 warning("JNIHistogram_lock seems to be stalled"); | |
306 } | |
307 } | |
308 } | |
309 | |
310 | |
311 if(JNIHistogram == NULL) | |
312 JNIHistogram = new Histogram("JNI Call Counts",100); | |
313 | |
314 JNIHistogram->add_element(this); | |
315 Atomic::dec(&JNIHistogram_lock); | |
316 } | |
317 | |
318 #define JNICountWrapper(arg) \ | |
319 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
320 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
321 if (e != NULL) e->increment_count() | |
322 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
323 #else | |
324 #define JNIWrapper(arg) | |
325 #endif | |
326 | |
327 | |
328 // Implementation of JNI entries | |
329 | |
4006 | 330 DT_RETURN_MARK_DECL(DefineClass, jclass |
331 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
0 | 332 |
333 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
334 const jbyte *buf, jsize bufLen)) | |
335 JNIWrapper("DefineClass"); | |
336 | |
4006 | 337 HOTSPOT_JNI_DEFINECLASS_ENTRY( |
338 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
14380 | 339 |
0 | 340 jclass cls = NULL; |
341 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
342 | |
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343 TempNewSymbol class_name = NULL; |
0 | 344 // Since exceptions can be thrown, class initialization can take place |
345 // if name is NULL no check for class name in .class stream has to be made. | |
346 if (name != NULL) { | |
347 const int str_len = (int)strlen(name); | |
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348 if (str_len > Symbol::max_length()) { |
0 | 349 // It's impossible to create this class; the name cannot fit |
350 // into the constant pool. | |
351 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
352 } | |
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353 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 354 } |
355 ResourceMark rm(THREAD); | |
356 ClassFileStream st((u1*) buf, bufLen, NULL); | |
357 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
358 | |
359 if (UsePerfData && !class_loader.is_null()) { | |
360 // check whether the current caller thread holds the lock or not. | |
361 // If not, increment the corresponding counter | |
362 if (ObjectSynchronizer:: | |
363 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
364 ObjectSynchronizer::owner_self) { | |
365 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
366 } | |
367 } | |
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368 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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369 Handle(), &st, true, |
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370 CHECK_NULL); |
0 | 371 |
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372 if (TraceClassResolution && k != NULL) { |
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373 trace_class_resolution(k); |
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374 } |
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375 |
0 | 376 cls = (jclass)JNIHandles::make_local( |
6983 | 377 env, k->java_mirror()); |
0 | 378 return cls; |
379 JNI_END | |
380 | |
381 | |
382 | |
383 static bool first_time_FindClass = true; | |
384 | |
4006 | 385 DT_RETURN_MARK_DECL(FindClass, jclass |
386 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
0 | 387 |
388 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
389 JNIWrapper("FindClass"); | |
14380 | 390 |
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391 HOTSPOT_JNI_FINDCLASS_ENTRY(env, (char *)name); |
0 | 392 |
393 jclass result = NULL; | |
394 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
395 | |
396 // Remember if we are the first invocation of jni_FindClass | |
397 bool first_time = first_time_FindClass; | |
398 first_time_FindClass = false; | |
399 | |
400 // Sanity check the name: it cannot be null or larger than the maximum size | |
401 // name we can fit in the constant pool. | |
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402 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
0 | 403 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
404 } | |
405 | |
406 //%note jni_3 | |
407 Handle loader; | |
408 Handle protection_domain; | |
409 // Find calling class | |
410 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
411 if (k.not_null()) { | |
412 loader = Handle(THREAD, k->class_loader()); | |
413 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
414 // in the correct class context. | |
415 if (loader.is_null() && | |
416 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
417 JavaValue result(T_OBJECT); | |
418 JavaCalls::call_static(&result, k, | |
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419 vmSymbols::getFromClass_name(), |
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420 vmSymbols::void_class_signature(), |
0 | 421 thread); |
422 if (HAS_PENDING_EXCEPTION) { | |
423 Handle ex(thread, thread->pending_exception()); | |
424 CLEAR_PENDING_EXCEPTION; | |
425 THROW_HANDLE_0(ex); | |
426 } | |
427 oop mirror = (oop) result.get_jobject(); | |
428 loader = Handle(THREAD, | |
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429 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
0 | 430 protection_domain = Handle(THREAD, |
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431 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
0 | 432 } |
433 } else { | |
434 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
435 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
436 } | |
437 | |
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438 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
0 | 439 result = find_class_from_class_loader(env, sym, true, loader, |
440 protection_domain, true, thread); | |
441 | |
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442 if (TraceClassResolution && result != NULL) { |
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443 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
657
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444 } |
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445 |
0 | 446 // If we were the first invocation of jni_FindClass, we enable compilation again |
447 // rather than just allowing invocation counter to overflow and decay. | |
448 // Controlled by flag DelayCompilationDuringStartup. | |
449 if (first_time && !CompileTheWorld) | |
450 CompilationPolicy::completed_vm_startup(); | |
451 | |
452 return result; | |
453 JNI_END | |
454 | |
4006 | 455 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID |
456 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
0 | 457 |
458 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
459 JNIWrapper("FromReflectedMethod"); | |
14380 | 460 |
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461 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY(env, method); |
14380 | 462 |
0 | 463 jmethodID ret = NULL; |
464 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
465 | |
466 // method is a handle to a java.lang.reflect.Method object | |
467 oop reflected = JNIHandles::resolve_non_null(method); | |
468 oop mirror = NULL; | |
469 int slot = 0; | |
470 | |
1142 | 471 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
0 | 472 mirror = java_lang_reflect_Constructor::clazz(reflected); |
473 slot = java_lang_reflect_Constructor::slot(reflected); | |
474 } else { | |
1142 | 475 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
0 | 476 mirror = java_lang_reflect_Method::clazz(reflected); |
477 slot = java_lang_reflect_Method::slot(reflected); | |
478 } | |
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479 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 480 |
481 KlassHandle k1(THREAD, k); | |
482 // Make sure class is initialized before handing id's out to methods | |
6983 | 483 k1()->initialize(CHECK_NULL); |
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484 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
0 | 485 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
486 return ret; | |
487 JNI_END | |
488 | |
4006 | 489 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID |
490 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
0 | 491 |
492 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
493 JNIWrapper("FromReflectedField"); | |
14380 | 494 |
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495 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY(env, field); |
14380 | 496 |
0 | 497 jfieldID ret = NULL; |
498 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
499 | |
500 // field is a handle to a java.lang.reflect.Field object | |
501 oop reflected = JNIHandles::resolve_non_null(field); | |
502 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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503 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 504 int slot = java_lang_reflect_Field::slot(reflected); |
505 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
506 | |
507 KlassHandle k1(THREAD, k); | |
508 // Make sure class is initialized before handing id's out to fields | |
6983 | 509 k1()->initialize(CHECK_NULL); |
0 | 510 |
511 // First check if this is a static field | |
512 if (modifiers & JVM_ACC_STATIC) { | |
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513 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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514 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
0 | 515 assert(id != NULL, "corrupt Field object"); |
516 debug_only(id->set_is_static_field_id();) | |
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517 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
0 | 518 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
519 return ret; | |
520 } | |
521 | |
522 // The slot is the index of the field description in the field-array | |
523 // The jfieldID is the offset of the field within the object | |
524 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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525 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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526 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
0 | 527 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
528 return ret; | |
529 JNI_END | |
530 | |
14380 | 531 |
4006 | 532 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject |
533 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
0 | 534 |
535 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
536 JNIWrapper("ToReflectedMethod"); | |
14380 | 537 |
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538 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY(env, cls, (uintptr_t) method_id, isStatic); |
14380 | 539 |
0 | 540 jobject ret = NULL; |
541 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
542 | |
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543 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 544 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
545 oop reflection_method; | |
546 if (m->is_initializer()) { | |
547 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
548 } else { | |
549 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
550 } | |
551 ret = JNIHandles::make_local(env, reflection_method); | |
552 return ret; | |
553 JNI_END | |
554 | |
4006 | 555 DT_RETURN_MARK_DECL(GetSuperclass, jclass |
556 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
0 | 557 |
558 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
559 JNIWrapper("GetSuperclass"); | |
14380 | 560 |
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561 HOTSPOT_JNI_GETSUPERCLASS_ENTRY(env, sub); |
14380 | 562 |
0 | 563 jclass obj = NULL; |
564 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
565 | |
566 oop mirror = JNIHandles::resolve_non_null(sub); | |
567 // primitive classes return NULL | |
568 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
569 | |
570 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
571 // arrays return Object | |
572 // interfaces return NULL | |
573 // proper classes return Klass::super() | |
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574 Klass* k = java_lang_Class::as_Klass(mirror); |
6983 | 575 if (k->is_interface()) return NULL; |
0 | 576 |
577 // return mirror for superclass | |
6983 | 578 Klass* super = k->java_super(); |
0 | 579 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
6983 | 580 debug_only(Klass* super2 = ( k->oop_is_array() |
1142 | 581 ? SystemDictionary::Object_klass() |
6983 | 582 : k->super() ) ); |
0 | 583 assert(super == super2, |
584 "java_super computation depends on interface, array, other super"); | |
6983 | 585 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
0 | 586 return obj; |
587 JNI_END | |
588 | |
589 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
590 JNIWrapper("IsSubclassOf"); | |
14380 | 591 |
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592 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY(env, sub, super); |
14380 | 593 |
0 | 594 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
595 oop super_mirror = JNIHandles::resolve_non_null(super); | |
596 if (java_lang_Class::is_primitive(sub_mirror) || | |
597 java_lang_Class::is_primitive(super_mirror)) { | |
598 jboolean ret = (sub_mirror == super_mirror); | |
14380 | 599 |
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600 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(ret); |
0 | 601 return ret; |
602 } | |
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603 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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604 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
0 | 605 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
6983 | 606 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
0 | 607 JNI_TRUE : JNI_FALSE; |
14380 | 608 |
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609 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(ret); |
0 | 610 return ret; |
611 JNI_END | |
612 | |
14380 | 613 |
4006 | 614 DT_RETURN_MARK_DECL(Throw, jint |
615 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
0 | 616 |
617 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
618 JNIWrapper("Throw"); | |
14380 | 619 |
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620 HOTSPOT_JNI_THROW_ENTRY(env, obj); |
14380 | 621 |
0 | 622 jint ret = JNI_OK; |
623 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
624 | |
625 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
626 ShouldNotReachHere(); | |
627 JNI_END | |
628 | |
14380 | 629 |
4006 | 630 DT_RETURN_MARK_DECL(ThrowNew, jint |
631 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
0 | 632 |
633 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
634 JNIWrapper("ThrowNew"); | |
14380 | 635 |
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636 HOTSPOT_JNI_THROWNEW_ENTRY(env, clazz, (char *) message); |
14380 | 637 |
0 | 638 jint ret = JNI_OK; |
639 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
640 | |
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641 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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642 Symbol* name = k->name(); |
0 | 643 Handle class_loader (THREAD, k->class_loader()); |
644 Handle protection_domain (THREAD, k->protection_domain()); | |
645 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
646 ShouldNotReachHere(); | |
647 JNI_END | |
648 | |
649 | |
650 // JNI functions only transform a pending async exception to a synchronous | |
651 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
652 // delivering an async exception in other places won't change the native | |
653 // code's control flow and would be harmful when native code further calls | |
654 // JNI functions with a pending exception. Async exception is also checked | |
655 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
656 // false but deliver the async exception at the very end during | |
657 // state transition. | |
658 | |
659 static void jni_check_async_exceptions(JavaThread *thread) { | |
660 assert(thread == Thread::current(), "must be itself"); | |
661 thread->check_and_handle_async_exceptions(); | |
662 } | |
663 | |
664 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
665 JNIWrapper("ExceptionOccurred"); | |
14380 | 666 |
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667 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY(env); |
14380 | 668 |
0 | 669 jni_check_async_exceptions(thread); |
670 oop exception = thread->pending_exception(); | |
671 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
14380 | 672 |
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673 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN(ret); |
0 | 674 return ret; |
675 JNI_END | |
676 | |
677 | |
678 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
679 JNIWrapper("ExceptionDescribe"); | |
14380 | 680 |
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681 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY(env); |
14380 | 682 |
0 | 683 if (thread->has_pending_exception()) { |
684 Handle ex(thread, thread->pending_exception()); | |
685 thread->clear_pending_exception(); | |
1142 | 686 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
0 | 687 // Don't print anything if we are being killed. |
688 } else { | |
689 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
690 if (thread != NULL && thread->threadObj() != NULL) { | |
691 ResourceMark rm(THREAD); | |
692 jio_fprintf(defaultStream::error_stream(), | |
693 "in thread \"%s\" ", thread->get_thread_name()); | |
694 } | |
1142 | 695 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
0 | 696 JavaValue result(T_VOID); |
697 JavaCalls::call_virtual(&result, | |
698 ex, | |
699 KlassHandle(THREAD, | |
1142 | 700 SystemDictionary::Throwable_klass()), |
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701 vmSymbols::printStackTrace_name(), |
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702 vmSymbols::void_method_signature(), |
0 | 703 THREAD); |
704 // If an exception is thrown in the call it gets thrown away. Not much | |
705 // we can do with it. The native code that calls this, does not check | |
706 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
707 // called, potentially causing a few asserts to trigger - since no pending exception | |
708 // is expected. | |
709 CLEAR_PENDING_EXCEPTION; | |
710 } else { | |
711 ResourceMark rm(THREAD); | |
712 jio_fprintf(defaultStream::error_stream(), | |
713 ". Uncaught exception of type %s.", | |
6983 | 714 ex->klass()->external_name()); |
0 | 715 } |
716 } | |
717 } | |
14380 | 718 |
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719 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN(); |
0 | 720 JNI_END |
721 | |
722 | |
723 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
724 JNIWrapper("ExceptionClear"); | |
14380 | 725 |
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726 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY(env); |
0 | 727 |
728 // The jni code might be using this API to clear java thrown exception. | |
729 // So just mark jvmti thread exception state as exception caught. | |
730 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
731 if (state != NULL && state->is_exception_detected()) { | |
732 state->set_exception_caught(); | |
733 } | |
734 thread->clear_pending_exception(); | |
14380 | 735 |
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736 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN(); |
0 | 737 JNI_END |
738 | |
739 | |
740 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
741 JNIWrapper("FatalError"); | |
14380 | 742 |
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743 HOTSPOT_JNI_FATALERROR_ENTRY(env, (char *) msg); |
14380 | 744 |
0 | 745 tty->print_cr("FATAL ERROR in native method: %s", msg); |
746 thread->print_stack(); | |
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747 os::abort(); // Dump core and abort |
0 | 748 JNI_END |
749 | |
750 | |
751 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
752 JNIWrapper("PushLocalFrame"); | |
14380 | 753 |
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754 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY(env, capacity); |
14380 | 755 |
0 | 756 //%note jni_11 |
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757 if (capacity < 0 || capacity > MAX_REASONABLE_LOCAL_CAPACITY) { |
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758 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN((uint32_t)JNI_ERR); |
0 | 759 return JNI_ERR; |
760 } | |
761 JNIHandleBlock* old_handles = thread->active_handles(); | |
762 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
763 assert(new_handles != NULL, "should not be NULL"); | |
764 new_handles->set_pop_frame_link(old_handles); | |
765 thread->set_active_handles(new_handles); | |
766 jint ret = JNI_OK; | |
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767 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(ret); |
0 | 768 return ret; |
769 JNI_END | |
770 | |
771 | |
772 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
773 JNIWrapper("PopLocalFrame"); | |
14380 | 774 |
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775 HOTSPOT_JNI_POPLOCALFRAME_ENTRY(env, result); |
14380 | 776 |
0 | 777 //%note jni_11 |
778 Handle result_handle(thread, JNIHandles::resolve(result)); | |
779 JNIHandleBlock* old_handles = thread->active_handles(); | |
780 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
781 if (new_handles != NULL) { | |
782 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
783 // This way code will still work if PopLocalFrame is called without a corresponding | |
784 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
785 // the release_block call will release the blocks. | |
786 thread->set_active_handles(new_handles); | |
787 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
788 JNIHandleBlock::release_block(old_handles, thread); // may block | |
789 result = JNIHandles::make_local(thread, result_handle()); | |
790 } | |
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791 HOTSPOT_JNI_POPLOCALFRAME_RETURN(result); |
0 | 792 return result; |
793 JNI_END | |
794 | |
795 | |
796 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
797 JNIWrapper("NewGlobalRef"); | |
14380 | 798 |
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799 HOTSPOT_JNI_NEWGLOBALREF_ENTRY(env, ref); |
14380 | 800 |
0 | 801 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
802 jobject ret = JNIHandles::make_global(ref_handle); | |
14380 | 803 |
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804 HOTSPOT_JNI_NEWGLOBALREF_RETURN(ret); |
0 | 805 return ret; |
806 JNI_END | |
807 | |
808 // Must be JNI_ENTRY (with HandleMark) | |
809 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
810 JNIWrapper("DeleteGlobalRef"); | |
14380 | 811 |
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812 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY(env, ref); |
14380 | 813 |
0 | 814 JNIHandles::destroy_global(ref); |
14380 | 815 |
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816 HOTSPOT_JNI_DELETEGLOBALREF_RETURN(); |
0 | 817 JNI_END |
818 | |
819 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
820 JNIWrapper("DeleteLocalRef"); | |
14380 | 821 |
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822 HOTSPOT_JNI_DELETELOCALREF_ENTRY(env, obj); |
14380 | 823 |
0 | 824 JNIHandles::destroy_local(obj); |
14380 | 825 |
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826 HOTSPOT_JNI_DELETELOCALREF_RETURN(); |
0 | 827 JNI_END |
828 | |
829 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
830 JNIWrapper("IsSameObject"); | |
14380 | 831 |
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832 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY(env, r1, r2); |
14380 | 833 |
0 | 834 oop a = JNIHandles::resolve(r1); |
835 oop b = JNIHandles::resolve(r2); | |
836 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
14380 | 837 |
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838 HOTSPOT_JNI_ISSAMEOBJECT_RETURN(ret); |
0 | 839 return ret; |
840 JNI_END | |
841 | |
842 | |
843 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
844 JNIWrapper("NewLocalRef"); | |
14380 | 845 |
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846 HOTSPOT_JNI_NEWLOCALREF_ENTRY(env, ref); |
14380 | 847 |
0 | 848 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
14380 | 849 |
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850 HOTSPOT_JNI_NEWLOCALREF_RETURN(ret); |
0 | 851 return ret; |
852 JNI_END | |
853 | |
854 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
855 JNIWrapper("EnsureLocalCapacity"); | |
14380 | 856 |
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857 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY(env, capacity); |
14380 | 858 |
0 | 859 jint ret; |
860 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
861 ret = JNI_OK; | |
862 } else { | |
863 ret = JNI_ERR; | |
864 } | |
14380 | 865 |
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866 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN(ret); |
0 | 867 return ret; |
868 JNI_END | |
869 | |
870 // Return the Handle Type | |
871 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
872 JNIWrapper("GetObjectRefType"); | |
14380 | 873 |
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874 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY(env, obj); |
14380 | 875 |
0 | 876 jobjectRefType ret; |
877 if (JNIHandles::is_local_handle(thread, obj) || | |
878 JNIHandles::is_frame_handle(thread, obj)) | |
879 ret = JNILocalRefType; | |
880 else if (JNIHandles::is_global_handle(obj)) | |
881 ret = JNIGlobalRefType; | |
882 else if (JNIHandles::is_weak_global_handle(obj)) | |
883 ret = JNIWeakGlobalRefType; | |
884 else | |
885 ret = JNIInvalidRefType; | |
14380 | 886 |
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887 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN((void *) ret); |
0 | 888 return ret; |
889 JNI_END | |
890 | |
891 | |
892 class JNI_ArgumentPusher : public SignatureIterator { | |
893 protected: | |
894 JavaCallArguments* _arguments; | |
895 | |
896 virtual void get_bool () = 0; | |
897 virtual void get_char () = 0; | |
898 virtual void get_short () = 0; | |
899 virtual void get_byte () = 0; | |
900 virtual void get_int () = 0; | |
901 virtual void get_long () = 0; | |
902 virtual void get_float () = 0; | |
903 virtual void get_double () = 0; | |
904 virtual void get_object () = 0; | |
905 | |
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906 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
0 | 907 this->_return_type = T_ILLEGAL; |
908 _arguments = NULL; | |
909 } | |
910 | |
911 public: | |
912 virtual void iterate( uint64_t fingerprint ) = 0; | |
913 | |
914 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
915 | |
916 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
917 inline void do_char() { if (!is_return_type()) get_char(); } | |
918 inline void do_short() { if (!is_return_type()) get_short(); } | |
919 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
920 inline void do_int() { if (!is_return_type()) get_int(); } | |
921 inline void do_long() { if (!is_return_type()) get_long(); } | |
922 inline void do_float() { if (!is_return_type()) get_float(); } | |
923 inline void do_double() { if (!is_return_type()) get_double(); } | |
924 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
925 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
926 inline void do_void() { } | |
927 | |
928 JavaCallArguments* arguments() { return _arguments; } | |
929 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
930 }; | |
931 | |
932 | |
933 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
934 protected: | |
935 va_list _ap; | |
936 | |
937 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
938 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
939 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
940 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
941 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
942 | |
943 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
944 | |
945 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
946 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
947 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
948 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
949 _arguments->push_oop(Handle((oop *)l, false)); } | |
950 | |
951 inline void set_ap(va_list rap) { | |
952 #ifdef va_copy | |
953 va_copy(_ap, rap); | |
954 #elif defined (__va_copy) | |
955 __va_copy(_ap, rap); | |
956 #else | |
957 _ap = rap; | |
958 #endif | |
959 } | |
960 | |
961 public: | |
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962 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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963 : JNI_ArgumentPusher(signature) { |
0 | 964 set_ap(rap); |
965 } | |
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966 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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967 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 968 set_ap(rap); |
969 } | |
970 | |
971 // Optimized path if we have the bitvector form of signature | |
972 void iterate( uint64_t fingerprint ) { | |
973 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
974 else { | |
975 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
976 result_feature_mask); | |
977 | |
978 assert(fingerprint, "Fingerprint should not be 0"); | |
979 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
980 while ( 1 ) { | |
981 switch ( fingerprint & parameter_feature_mask ) { | |
982 case bool_parm: | |
983 case char_parm: | |
984 case short_parm: | |
985 case byte_parm: | |
986 case int_parm: | |
987 get_int(); | |
988 break; | |
989 case obj_parm: | |
990 get_object(); | |
991 break; | |
992 case long_parm: | |
993 get_long(); | |
994 break; | |
995 case float_parm: | |
996 get_float(); | |
997 break; | |
998 case double_parm: | |
999 get_double(); | |
1000 break; | |
1001 case done_parm: | |
1002 return; | |
1003 break; | |
1004 default: | |
1005 ShouldNotReachHere(); | |
1006 break; | |
1007 } | |
1008 fingerprint >>= parameter_feature_size; | |
1009 } | |
1010 } | |
1011 } | |
1012 }; | |
1013 | |
1014 | |
1015 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
1016 protected: | |
1017 const jvalue *_ap; | |
1018 | |
1019 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
1020 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
1021 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
1022 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
1023 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
1024 | |
1025 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
1026 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
1027 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
1028 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
1029 | |
1030 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
1031 | |
1032 public: | |
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1033 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1034 : JNI_ArgumentPusher(signature) { |
0 | 1035 set_ap(rap); |
1036 } | |
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1037 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1038 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
0 | 1039 set_ap(rap); |
1040 } | |
1041 | |
1042 // Optimized path if we have the bitvector form of signature | |
1043 void iterate( uint64_t fingerprint ) { | |
1044 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
1045 else { | |
1046 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
1047 result_feature_mask); | |
1048 assert(fingerprint, "Fingerprint should not be 0"); | |
1049 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
1050 while ( 1 ) { | |
1051 switch ( fingerprint & parameter_feature_mask ) { | |
1052 case bool_parm: | |
1053 get_bool(); | |
1054 break; | |
1055 case char_parm: | |
1056 get_char(); | |
1057 break; | |
1058 case short_parm: | |
1059 get_short(); | |
1060 break; | |
1061 case byte_parm: | |
1062 get_byte(); | |
1063 break; | |
1064 case int_parm: | |
1065 get_int(); | |
1066 break; | |
1067 case obj_parm: | |
1068 get_object(); | |
1069 break; | |
1070 case long_parm: | |
1071 get_long(); | |
1072 break; | |
1073 case float_parm: | |
1074 get_float(); | |
1075 break; | |
1076 case double_parm: | |
1077 get_double(); | |
1078 break; | |
1079 case done_parm: | |
1080 return; | |
1081 break; | |
1082 default: | |
1083 ShouldNotReachHere(); | |
1084 break; | |
1085 } | |
1086 fingerprint >>= parameter_feature_size; | |
1087 } | |
1088 } | |
1089 } | |
1090 }; | |
1091 | |
1092 | |
1093 enum JNICallType { | |
1094 JNI_STATIC, | |
1095 JNI_VIRTUAL, | |
1096 JNI_NONVIRTUAL | |
1097 }; | |
1098 | |
1099 | |
1100 | |
1101 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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1102 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
0 | 1103 |
1104 // Create object to hold arguments for the JavaCall, and associate it with | |
1105 // the jni parser | |
1106 ResourceMark rm(THREAD); | |
1107 int number_of_parameters = method->size_of_parameters(); | |
1108 JavaCallArguments java_args(number_of_parameters); | |
1109 args->set_java_argument_object(&java_args); | |
1110 | |
1111 assert(method->is_static(), "method should be static"); | |
1112 | |
1113 // Fill out JavaCallArguments object | |
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1114 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1115 // Initialize result type |
1116 result->set_type(args->get_ret_type()); | |
1117 | |
1118 // Invoke the method. Result is returned as oop. | |
1119 JavaCalls::call(result, method, &java_args, CHECK); | |
1120 | |
1121 // Convert result | |
1122 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1123 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1124 } | |
1125 } | |
1126 | |
1127 | |
1128 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
1129 oop recv = JNIHandles::resolve(receiver); | |
1130 if (recv == NULL) { | |
1131 THROW(vmSymbols::java_lang_NullPointerException()); | |
1132 } | |
1133 Handle h_recv(THREAD, recv); | |
1134 | |
1135 int number_of_parameters; | |
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1136 Method* selected_method; |
0 | 1137 { |
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1138 Method* m = Method::resolve_jmethod_id(method_id); |
0 | 1139 number_of_parameters = m->size_of_parameters(); |
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1140 Klass* holder = m->method_holder(); |
6983 | 1141 if (!(holder)->is_interface()) { |
0 | 1142 // non-interface call -- for that little speed boost, don't handlize |
1143 debug_only(No_Safepoint_Verifier nosafepoint;) | |
1144 if (call_type == JNI_VIRTUAL) { | |
1145 // jni_GetMethodID makes sure class is linked and initialized | |
1146 // so m should have a valid vtable index. | |
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1147 assert(!m->has_itable_index(), ""); |
0 | 1148 int vtbl_index = m->vtable_index(); |
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1149 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1150 Klass* k = h_recv->klass(); |
0 | 1151 // k might be an arrayKlassOop but all vtables start at |
1152 // the same place. The cast is to avoid virtual call and assertion. | |
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1153 InstanceKlass *ik = (InstanceKlass*)k; |
0 | 1154 selected_method = ik->method_at_vtable(vtbl_index); |
1155 } else { | |
1156 // final method | |
1157 selected_method = m; | |
1158 } | |
1159 } else { | |
1160 // JNI_NONVIRTUAL call | |
1161 selected_method = m; | |
1162 } | |
1163 } else { | |
1164 // interface call | |
1165 KlassHandle h_holder(THREAD, holder); | |
1166 | |
14320 | 1167 if (call_type == JNI_VIRTUAL) { |
1168 int itbl_index = m->itable_index(); | |
1169 Klass* k = h_recv->klass(); | |
1170 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
1171 } else { | |
1172 selected_method = m; | |
1173 } | |
0 | 1174 } |
1175 } | |
1176 | |
1177 methodHandle method(THREAD, selected_method); | |
1178 | |
1179 // Create object to hold arguments for the JavaCall, and associate it with | |
1180 // the jni parser | |
1181 ResourceMark rm(THREAD); | |
1182 JavaCallArguments java_args(number_of_parameters); | |
1183 args->set_java_argument_object(&java_args); | |
1184 | |
1185 // handle arguments | |
1186 assert(!method->is_static(), "method should not be static"); | |
1187 args->push_receiver(h_recv); // Push jobject handle | |
1188 | |
1189 // Fill out JavaCallArguments object | |
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1190 args->iterate( Fingerprinter(method).fingerprint() ); |
0 | 1191 // Initialize result type |
1192 result->set_type(args->get_ret_type()); | |
1193 | |
1194 // Invoke the method. Result is returned as oop. | |
1195 JavaCalls::call(result, method, &java_args, CHECK); | |
1196 | |
1197 // Convert result | |
1198 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
1199 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
1200 } | |
1201 } | |
1202 | |
1203 | |
1204 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1205 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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1206 if (k == NULL) { |
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1207 ResourceMark rm(THREAD); |
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1208 THROW_(vmSymbols::java_lang_InstantiationException(), NULL); |
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1209 } |
6983 | 1210 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1211 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1212 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
0 | 1213 return ih; |
1214 } | |
1215 | |
4006 | 1216 DT_RETURN_MARK_DECL(AllocObject, jobject |
1217 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
0 | 1218 |
1219 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
1220 JNIWrapper("AllocObject"); | |
1221 | |
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1222 HOTSPOT_JNI_ALLOCOBJECT_ENTRY(env, clazz); |
14380 | 1223 |
0 | 1224 jobject ret = NULL; |
1225 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
1226 | |
1227 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1228 ret = JNIHandles::make_local(env, i); | |
1229 return ret; | |
1230 JNI_END | |
1231 | |
4006 | 1232 DT_RETURN_MARK_DECL(NewObjectA, jobject |
1233 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
0 | 1234 |
1235 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
1236 JNIWrapper("NewObjectA"); | |
14380 | 1237 |
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1238 HOTSPOT_JNI_NEWOBJECTA_ENTRY(env, clazz, (uintptr_t) methodID); |
14380 | 1239 |
0 | 1240 jobject obj = NULL; |
1241 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
1242 | |
1243 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1244 obj = JNIHandles::make_local(env, i); | |
1245 JavaValue jvalue(T_VOID); | |
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1246 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1247 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1248 return obj; | |
1249 JNI_END | |
1250 | |
14380 | 1251 |
4006 | 1252 DT_RETURN_MARK_DECL(NewObjectV, jobject |
1253 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
0 | 1254 |
1255 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
1256 JNIWrapper("NewObjectV"); | |
14380 | 1257 |
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1258 HOTSPOT_JNI_NEWOBJECTV_ENTRY(env, clazz, (uintptr_t) methodID); |
14380 | 1259 |
0 | 1260 jobject obj = NULL; |
1261 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
1262 | |
1263 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1264 obj = JNIHandles::make_local(env, i); | |
1265 JavaValue jvalue(T_VOID); | |
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1266 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1267 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1268 return obj; | |
1269 JNI_END | |
1270 | |
14380 | 1271 |
4006 | 1272 DT_RETURN_MARK_DECL(NewObject, jobject |
1273 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
0 | 1274 |
1275 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
1276 JNIWrapper("NewObject"); | |
14380 | 1277 |
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1278 HOTSPOT_JNI_NEWOBJECT_ENTRY(env, clazz, (uintptr_t) methodID); |
14380 | 1279 |
0 | 1280 jobject obj = NULL; |
1281 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
1282 | |
1283 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
1284 obj = JNIHandles::make_local(env, i); | |
1285 va_list args; | |
1286 va_start(args, methodID); | |
1287 JavaValue jvalue(T_VOID); | |
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1288 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1289 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
1290 va_end(args); | |
1291 return obj; | |
1292 JNI_END | |
1293 | |
1294 | |
1295 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
1296 JNIWrapper("GetObjectClass"); | |
14380 | 1297 |
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1298 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY(env, obj); |
14380 | 1299 |
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1300 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
0 | 1301 jclass ret = |
6983 | 1302 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
14380 | 1303 |
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1304 HOTSPOT_JNI_GETOBJECTCLASS_RETURN(ret); |
0 | 1305 return ret; |
1306 JNI_END | |
1307 | |
1308 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
1309 JNIWrapper("IsInstanceOf"); | |
14380 | 1310 |
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1311 HOTSPOT_JNI_ISINSTANCEOF_ENTRY(env, obj, clazz); |
14380 | 1312 |
0 | 1313 jboolean ret = JNI_TRUE; |
1314 if (obj != NULL) { | |
1315 ret = JNI_FALSE; | |
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1316 Klass* k = java_lang_Class::as_Klass( |
0 | 1317 JNIHandles::resolve_non_null(clazz)); |
1318 if (k != NULL) { | |
1319 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
1320 } | |
1321 } | |
14380 | 1322 |
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1323 HOTSPOT_JNI_ISINSTANCEOF_RETURN(ret); |
0 | 1324 return ret; |
1325 JNI_END | |
1326 | |
1327 | |
1328 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
1329 const char *sig, bool is_static, TRAPS) { | |
1330 // %%%% This code should probably just call into a method in the LinkResolver | |
1331 // | |
1332 // The class should have been loaded (we have an instance of the class | |
1333 // passed in) so the method and signature should already be in the symbol | |
1334 // table. If they're not there, the method doesn't exist. | |
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1335 const char *name_to_probe = (name_str == NULL) |
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1336 ? vmSymbols::object_initializer_name()->as_C_string() |
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1337 : name_str; |
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1338 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1339 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1340 |
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1341 if (name == NULL || signature == NULL) { |
0 | 1342 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
1343 } | |
1344 | |
1345 // Throw a NoSuchMethodError exception if we have an instance of a | |
1346 // primitive java.lang.Class | |
1347 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
1348 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1349 } | |
1350 | |
1351 KlassHandle klass(THREAD, | |
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1352 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 1353 |
1354 // Make sure class is linked and initialized before handing id's out to | |
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1355 // Method*s. |
6983 | 1356 klass()->initialize(CHECK_NULL); |
0 | 1357 |
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1358 Method* m; |
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1359 if (name == vmSymbols::object_initializer_name() || |
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1360 name == vmSymbols::class_initializer_name()) { |
0 | 1361 // Never search superclasses for constructors |
1362 if (klass->oop_is_instance()) { | |
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1363 m = InstanceKlass::cast(klass())->find_method(name, signature); |
0 | 1364 } else { |
1365 m = NULL; | |
1366 } | |
1367 } else { | |
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1368 m = klass->lookup_method(name, signature); |
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1369 if (m == NULL && klass->oop_is_instance()) { |
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1370 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
0 | 1371 } |
1372 } | |
1373 if (m == NULL || (m->is_static() != is_static)) { | |
1374 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
1375 } | |
1376 return m->jmethod_id(); | |
1377 } | |
1378 | |
1379 | |
1380 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
1381 const char *name, const char *sig)) | |
1382 JNIWrapper("GetMethodID"); | |
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1383 HOTSPOT_JNI_GETMETHODID_ENTRY(env, clazz, (char *) name, (char *) sig); |
0 | 1384 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
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1385 HOTSPOT_JNI_GETMETHODID_RETURN((uintptr_t) ret); |
0 | 1386 return ret; |
1387 JNI_END | |
1388 | |
1389 | |
1390 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
1391 const char *name, const char *sig)) | |
1392 JNIWrapper("GetStaticMethodID"); | |
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1393 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY(env, (char *) clazz, (char *) name, (char *)sig); |
0 | 1394 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
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1395 HOTSPOT_JNI_GETSTATICMETHODID_RETURN((uintptr_t) ret); |
0 | 1396 return ret; |
1397 JNI_END | |
1398 | |
1399 | |
1400 | |
1401 // | |
1402 // Calling Methods | |
1403 // | |
1404 | |
4006 | 1405 |
1406 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
1407 , EntryProbe, ReturnProbe) \ | |
1408 \ | |
1409 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
1410 , ReturnProbe); \ | |
1411 \ | |
1412 JNI_ENTRY(ResultType, \ | |
1413 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
1414 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
1415 \ | |
1416 EntryProbe; \ | |
1417 ResultType ret = 0;\ | |
1418 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
1419 (const ResultType&)ret);\ | |
1420 \ | |
1421 va_list args; \ | |
1422 va_start(args, methodID); \ | |
1423 JavaValue jvalue(Tag); \ | |
1424 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1425 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1426 va_end(args); \ | |
1427 ret = jvalue.get_##ResultType(); \ | |
1428 return ret;\ | |
1429 JNI_END | |
1430 | |
1431 // the runtime type of subword integral basic types is integer | |
1432 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
1433 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1434 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
1435 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
1436 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1437 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
1438 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
1439 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1440 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
1441 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
1442 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1443 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
1444 | |
1445 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
1446 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1447 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
1448 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
1449 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1450 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
1451 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
1452 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1453 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
1454 // Float and double probes don't return value because dtrace doesn't currently support it | |
1455 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
1456 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1457 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
1458 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
1459 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
1460 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
1461 | |
1462 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
1463 , EntryProbe, ReturnProbe) \ | |
1464 \ | |
1465 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
1466 , ReturnProbe); \ | |
1467 \ | |
1468 JNI_ENTRY(ResultType, \ | |
1469 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
1470 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
1471 \ | |
1472 EntryProbe;\ | |
1473 ResultType ret = 0;\ | |
1474 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
1475 (const ResultType&)ret);\ | |
1476 \ | |
1477 JavaValue jvalue(Tag); \ | |
1478 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1479 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1480 ret = jvalue.get_##ResultType(); \ | |
1481 return ret;\ | |
1482 JNI_END | |
1483 | |
1484 // the runtime type of subword integral basic types is integer | |
1485 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
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1486 , HOTSPOT_JNI_CALLBOOLEANMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1487 HOTSPOT_JNI_CALLBOOLEANMETHODV_RETURN(_ret_ref)) |
4006 | 1488 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE |
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1489 , HOTSPOT_JNI_CALLBYTEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1490 HOTSPOT_JNI_CALLBYTEMETHODV_RETURN(_ret_ref)) |
4006 | 1491 DEFINE_CALLMETHODV(jchar, Char, T_CHAR |
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1492 , HOTSPOT_JNI_CALLCHARMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1493 HOTSPOT_JNI_CALLCHARMETHODV_RETURN(_ret_ref)) |
4006 | 1494 DEFINE_CALLMETHODV(jshort, Short, T_SHORT |
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1495 , HOTSPOT_JNI_CALLSHORTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1496 HOTSPOT_JNI_CALLSHORTMETHODV_RETURN(_ret_ref)) |
4006 | 1497 |
1498 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
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1499 , HOTSPOT_JNI_CALLOBJECTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1500 HOTSPOT_JNI_CALLOBJECTMETHODV_RETURN(_ret_ref)) |
4006 | 1501 DEFINE_CALLMETHODV(jint, Int, T_INT, |
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1502 HOTSPOT_JNI_CALLINTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1503 HOTSPOT_JNI_CALLINTMETHODV_RETURN(_ret_ref)) |
4006 | 1504 DEFINE_CALLMETHODV(jlong, Long, T_LONG |
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1505 , HOTSPOT_JNI_CALLLONGMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1506 HOTSPOT_JNI_CALLLONGMETHODV_RETURN(_ret_ref)) |
4006 | 1507 // Float and double probes don't return value because dtrace doesn't currently support it |
1508 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
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1509 , HOTSPOT_JNI_CALLFLOATMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1510 HOTSPOT_JNI_CALLFLOATMETHODV_RETURN()) |
4006 | 1511 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE |
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1512 , HOTSPOT_JNI_CALLDOUBLEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1513 HOTSPOT_JNI_CALLDOUBLEMETHODV_RETURN()) |
4006 | 1514 |
1515 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
1516 , EntryProbe, ReturnProbe) \ | |
1517 \ | |
1518 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
1519 , ReturnProbe); \ | |
1520 \ | |
1521 JNI_ENTRY(ResultType, \ | |
1522 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
1523 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
1524 EntryProbe; \ | |
1525 ResultType ret = 0;\ | |
1526 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
1527 (const ResultType&)ret);\ | |
1528 \ | |
1529 JavaValue jvalue(Tag); \ | |
1530 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1531 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
1532 ret = jvalue.get_##ResultType(); \ | |
1533 return ret;\ | |
1534 JNI_END | |
1535 | |
1536 // the runtime type of subword integral basic types is integer | |
1537 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
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1538 , HOTSPOT_JNI_CALLBOOLEANMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1539 HOTSPOT_JNI_CALLBOOLEANMETHODA_RETURN(_ret_ref)) |
4006 | 1540 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE |
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1541 , HOTSPOT_JNI_CALLBYTEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1542 HOTSPOT_JNI_CALLBYTEMETHODA_RETURN(_ret_ref)) |
4006 | 1543 DEFINE_CALLMETHODA(jchar, Char, T_CHAR |
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1544 , HOTSPOT_JNI_CALLCHARMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1545 HOTSPOT_JNI_CALLCHARMETHODA_RETURN(_ret_ref)) |
4006 | 1546 DEFINE_CALLMETHODA(jshort, Short, T_SHORT |
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1547 , HOTSPOT_JNI_CALLSHORTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1548 HOTSPOT_JNI_CALLSHORTMETHODA_RETURN(_ret_ref)) |
4006 | 1549 |
1550 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
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1551 , HOTSPOT_JNI_CALLOBJECTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1552 HOTSPOT_JNI_CALLOBJECTMETHODA_RETURN(_ret_ref)) |
4006 | 1553 DEFINE_CALLMETHODA(jint, Int, T_INT, |
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1554 HOTSPOT_JNI_CALLINTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1555 HOTSPOT_JNI_CALLINTMETHODA_RETURN(_ret_ref)) |
4006 | 1556 DEFINE_CALLMETHODA(jlong, Long, T_LONG |
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1557 , HOTSPOT_JNI_CALLLONGMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1558 HOTSPOT_JNI_CALLLONGMETHODA_RETURN(_ret_ref)) |
4006 | 1559 // Float and double probes don't return value because dtrace doesn't currently support it |
1560 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
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1561 , HOTSPOT_JNI_CALLFLOATMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1562 HOTSPOT_JNI_CALLFLOATMETHODA_RETURN()) |
4006 | 1563 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE |
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1564 , HOTSPOT_JNI_CALLDOUBLEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1565 HOTSPOT_JNI_CALLDOUBLEMETHODA_RETURN()) |
4006 | 1566 |
1567 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
1568 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
1569 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
1570 | |
1571 | |
0 | 1572 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
1573 JNIWrapper("CallVoidMethod"); | |
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1574 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY(env, obj, (uintptr_t) methodID); |
0 | 1575 DT_VOID_RETURN_MARK(CallVoidMethod); |
1576 | |
1577 va_list args; | |
1578 va_start(args, methodID); | |
1579 JavaValue jvalue(T_VOID); | |
2177
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diff
changeset
|
1580 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1581 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1582 va_end(args); | |
1583 JNI_END | |
1584 | |
1585 | |
1586 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
1587 JNIWrapper("CallVoidMethodV"); | |
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1588 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY(env, obj, (uintptr_t) methodID); |
0 | 1589 DT_VOID_RETURN_MARK(CallVoidMethodV); |
1590 | |
1591 JavaValue jvalue(T_VOID); | |
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diff
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|
1592 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1593 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1594 JNI_END | |
1595 | |
1596 | |
1597 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
1598 JNIWrapper("CallVoidMethodA"); | |
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1599 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY(env, obj, (uintptr_t) methodID); |
0 | 1600 DT_VOID_RETURN_MARK(CallVoidMethodA); |
1601 | |
1602 JavaValue jvalue(T_VOID); | |
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|
1603 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1604 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
1605 JNI_END | |
1606 | |
1607 | |
4006 | 1608 |
1609 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
1610 , EntryProbe, ReturnProbe) \ | |
1611 \ | |
1612 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
1613 , ReturnProbe);\ | |
1614 \ | |
1615 JNI_ENTRY(ResultType, \ | |
1616 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
1617 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
1618 \ | |
1619 EntryProbe;\ | |
1620 ResultType ret;\ | |
1621 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
1622 (const ResultType&)ret);\ | |
1623 \ | |
1624 va_list args; \ | |
1625 va_start(args, methodID); \ | |
1626 JavaValue jvalue(Tag); \ | |
1627 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1628 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
1629 va_end(args); \ | |
1630 ret = jvalue.get_##ResultType(); \ | |
1631 return ret;\ | |
1632 JNI_END | |
1633 | |
1634 // the runtime type of subword integral basic types is integer | |
1635 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
1636 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1637 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
1638 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
1639 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1640 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
1641 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
1642 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1643 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
1644 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
1645 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1646 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
1647 | |
1648 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
1649 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1650 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
1651 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
1652 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1653 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
1654 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
1655 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1656 // Float and double probes don't return value because dtrace doesn't currently support it | |
1657 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
1658 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
1659 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1660 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
1661 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
1662 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1663 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
1664 | |
1665 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
1666 , EntryProbe, ReturnProbe) \ | |
1667 \ | |
1668 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
1669 , ReturnProbe);\ | |
1670 \ | |
1671 JNI_ENTRY(ResultType, \ | |
1672 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
1673 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
1674 \ | |
1675 EntryProbe;\ | |
1676 ResultType ret;\ | |
1677 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
1678 (const ResultType&)ret);\ | |
1679 \ | |
1680 JavaValue jvalue(Tag); \ | |
1681 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1682 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
1683 ret = jvalue.get_##ResultType(); \ | |
1684 return ret;\ | |
1685 JNI_END | |
1686 | |
1687 // the runtime type of subword integral basic types is integer | |
1688 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
1689 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1690 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
1691 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
1692 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1693 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
1694 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
1695 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1696 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
1697 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
1698 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1699 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
1700 | |
1701 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
1702 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1703 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
1704 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
1705 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1706 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
1707 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
1708 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1709 // Float and double probes don't return value because dtrace doesn't currently support it | |
1710 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
1711 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
1712 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1713 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
1714 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
1715 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1716 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
1717 | |
1718 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
1719 , EntryProbe, ReturnProbe) \ | |
1720 \ | |
1721 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
1722 , ReturnProbe);\ | |
1723 \ | |
1724 JNI_ENTRY(ResultType, \ | |
1725 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
1726 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
1727 \ | |
1728 EntryProbe;\ | |
1729 ResultType ret;\ | |
1730 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
1731 (const ResultType&)ret);\ | |
1732 \ | |
1733 JavaValue jvalue(Tag); \ | |
1734 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1735 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
1736 ret = jvalue.get_##ResultType(); \ | |
1737 return ret;\ | |
1738 JNI_END | |
1739 | |
1740 // the runtime type of subword integral basic types is integer | |
1741 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
1742 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1743 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
1744 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
1745 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1746 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
1747 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
1748 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1749 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
1750 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
1751 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1752 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
1753 | |
1754 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
1755 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1756 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
1757 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
1758 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1759 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
1760 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
1761 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1762 // Float and double probes don't return value because dtrace doesn't currently support it | |
1763 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
1764 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
1765 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1766 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
1767 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
1768 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
1769 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
1770 | |
1771 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
1772 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
1773 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
1774 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
1775 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
1776 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
1777 | |
0 | 1778 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
1779 JNIWrapper("CallNonvirtualVoidMethod"); | |
1780 | |
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1781 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY(env, obj, cls, (uintptr_t) methodID); |
0 | 1782 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
1783 | |
1784 va_list args; | |
1785 va_start(args, methodID); | |
1786 JavaValue jvalue(T_VOID); | |
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1787 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1788 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
1789 va_end(args); | |
1790 JNI_END | |
1791 | |
1792 | |
1793 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
1794 JNIWrapper("CallNonvirtualVoidMethodV"); | |
1795 | |
4006 | 1796 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( |
1797 env, obj, cls, (uintptr_t) methodID); | |
0 | 1798 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
1799 | |
1800 JavaValue jvalue(T_VOID); | |
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1801 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 1802 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
1803 JNI_END | |
1804 | |
1805 | |
1806 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
1807 JNIWrapper("CallNonvirtualVoidMethodA"); | |
4006 | 1808 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( |
1809 env, obj, cls, (uintptr_t) methodID); | |
0 | 1810 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
1811 JavaValue jvalue(T_VOID); | |
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1812 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 1813 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
1814 JNI_END | |
1815 | |
1816 | |
4006 | 1817 |
1818 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
1819 , EntryProbe, ResultProbe) \ | |
1820 \ | |
1821 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
1822 , ResultProbe); \ | |
1823 \ | |
1824 JNI_ENTRY(ResultType, \ | |
1825 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
1826 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
1827 \ | |
1828 EntryProbe; \ | |
1829 ResultType ret = 0;\ | |
1830 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
1831 (const ResultType&)ret);\ | |
1832 \ | |
1833 va_list args; \ | |
1834 va_start(args, methodID); \ | |
1835 JavaValue jvalue(Tag); \ | |
1836 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1837 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
1838 va_end(args); \ | |
1839 ret = jvalue.get_##ResultType(); \ | |
1840 return ret;\ | |
1841 JNI_END | |
1842 | |
1843 // the runtime type of subword integral basic types is integer | |
1844 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
1845 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
1846 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
1847 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
1848 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
1849 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
1850 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
1851 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
1852 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
1853 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
1854 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
1855 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
1856 | |
1857 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
1858 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
1859 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
1860 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
1861 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
1862 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
1863 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
1864 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
1865 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
1866 // Float and double probes don't return value because dtrace doesn't currently support it | |
1867 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
1868 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
1869 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
1870 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
1871 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
1872 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
1873 | |
1874 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
1875 , EntryProbe, ResultProbe) \ | |
1876 \ | |
1877 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
1878 , ResultProbe); \ | |
1879 \ | |
1880 JNI_ENTRY(ResultType, \ | |
1881 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
1882 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
1883 \ | |
1884 EntryProbe; \ | |
1885 ResultType ret = 0;\ | |
1886 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
1887 (const ResultType&)ret);\ | |
1888 \ | |
1889 JavaValue jvalue(Tag); \ | |
1890 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
1891 /* Make sure class is initialized before trying to invoke its method */ \ | |
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1892 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
6983 | 1893 k()->initialize(CHECK_0); \ |
4006 | 1894 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
1895 va_end(args); \ | |
1896 ret = jvalue.get_##ResultType(); \ | |
1897 return ret;\ | |
1898 JNI_END | |
1899 | |
1900 // the runtime type of subword integral basic types is integer | |
1901 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
1902 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
1903 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
1904 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
1905 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
1906 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
1907 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
1908 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
1909 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
1910 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
1911 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
1912 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
1913 | |
1914 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
1915 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
1916 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
1917 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
1918 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
1919 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
1920 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
1921 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
1922 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
1923 // Float and double probes don't return value because dtrace doesn't currently support it | |
1924 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
1925 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
1926 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
1927 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
1928 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
1929 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
1930 | |
1931 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
1932 , EntryProbe, ResultProbe) \ | |
1933 \ | |
1934 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
1935 , ResultProbe); \ | |
1936 \ | |
1937 JNI_ENTRY(ResultType, \ | |
1938 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
1939 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
1940 \ | |
1941 EntryProbe; \ | |
1942 ResultType ret = 0;\ | |
1943 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
1944 (const ResultType&)ret);\ | |
1945 \ | |
1946 JavaValue jvalue(Tag); \ | |
1947 JNI_ArgumentPusherArray ap(methodID, args); \ | |
1948 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
1949 ret = jvalue.get_##ResultType(); \ | |
1950 return ret;\ | |
1951 JNI_END | |
1952 | |
1953 // the runtime type of subword integral basic types is integer | |
1954 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
1955 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
1956 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
1957 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
1958 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
1959 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
1960 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
1961 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
1962 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
1963 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
1964 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
1965 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
1966 | |
1967 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
1968 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
1969 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
1970 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
1971 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
1972 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
1973 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
1974 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
1975 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
1976 // Float and double probes don't return value because dtrace doesn't currently support it | |
1977 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
1978 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
1979 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
1980 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
1981 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
1982 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
1983 | |
1984 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
1985 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
1986 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
1987 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
1988 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
1989 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
1990 | |
0 | 1991 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
1992 JNIWrapper("CallStaticVoidMethod"); | |
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1993 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY(env, cls, (uintptr_t) methodID); |
0 | 1994 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
1995 | |
1996 va_list args; | |
1997 va_start(args, methodID); | |
1998 JavaValue jvalue(T_VOID); | |
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1999 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2000 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2001 va_end(args); | |
2002 JNI_END | |
2003 | |
2004 | |
2005 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
2006 JNIWrapper("CallStaticVoidMethodV"); | |
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2007 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY(env, cls, (uintptr_t) methodID); |
0 | 2008 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
2009 | |
2010 JavaValue jvalue(T_VOID); | |
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2011 JNI_ArgumentPusherVaArg ap(methodID, args); |
0 | 2012 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2013 JNI_END | |
2014 | |
2015 | |
2016 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
2017 JNIWrapper("CallStaticVoidMethodA"); | |
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2018 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY(env, cls, (uintptr_t) methodID); |
0 | 2019 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
2020 | |
2021 JavaValue jvalue(T_VOID); | |
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2022 JNI_ArgumentPusherArray ap(methodID, args); |
0 | 2023 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
2024 JNI_END | |
2025 | |
2026 | |
2027 // | |
2028 // Accessing Fields | |
2029 // | |
2030 | |
2031 | |
4006 | 2032 DT_RETURN_MARK_DECL(GetFieldID, jfieldID |
2033 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
0 | 2034 |
2035 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
2036 const char *name, const char *sig)) | |
2037 JNIWrapper("GetFieldID"); | |
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2038 HOTSPOT_JNI_GETFIELDID_ENTRY(env, clazz, (char *) name, (char *) sig); |
0 | 2039 jfieldID ret = 0; |
2040 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
2041 | |
2042 // The class should have been loaded (we have an instance of the class | |
2043 // passed in) so the field and signature should already be in the symbol | |
2044 // table. If they're not there, the field doesn't exist. | |
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2045 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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2046 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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2047 if (fieldname == NULL || signame == NULL) { |
0 | 2048 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2049 } | |
2050 KlassHandle k(THREAD, | |
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2051 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2052 // Make sure class is initialized before handing id's out to fields |
6983 | 2053 k()->initialize(CHECK_NULL); |
0 | 2054 |
2055 fieldDescriptor fd; | |
6983 | 2056 if (!k()->oop_is_instance() || |
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2057 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
0 | 2058 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2059 } | |
2060 | |
2061 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
2062 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
2063 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
2064 return ret; | |
2065 JNI_END | |
2066 | |
2067 | |
2068 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
2069 JNIWrapper("GetObjectField"); | |
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2070 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY(env, obj, (uintptr_t) fieldID); |
0 | 2071 oop o = JNIHandles::resolve_non_null(obj); |
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2072 Klass* k = o->klass(); |
0 | 2073 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2074 // Keep JVMTI addition small and only check enabled flag here. | |
2075 // jni_GetField_probe() assumes that is okay to create handles. | |
2076 if (JvmtiExport::should_post_field_access()) { | |
2077 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
2078 } | |
2079 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
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2080 #if INCLUDE_ALL_GCS |
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2081 // If G1 is enabled and we are accessing the value of the referent |
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2082 // field in a reference object then we need to register a non-null |
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2083 // referent with the SATB barrier. |
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2084 if (UseG1GC) { |
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2085 bool needs_barrier = false; |
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|
2086 |
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|
2087 if (ret != NULL && |
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2088 offset == java_lang_ref_Reference::referent_offset && |
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2089 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
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2090 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
3249
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2091 needs_barrier = true; |
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2092 } |
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2093 |
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|
2094 if (needs_barrier) { |
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2095 oop referent = JNIHandles::resolve(ret); |
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2096 G1SATBCardTableModRefBS::enqueue(referent); |
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|
2097 } |
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|
2098 } |
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2099 #endif // INCLUDE_ALL_GCS |
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2100 HOTSPOT_JNI_GETOBJECTFIELD_RETURN(ret); |
0 | 2101 return ret; |
2102 JNI_END | |
2103 | |
2104 | |
4006 | 2105 |
2106 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
2107 , EntryProbe, ReturnProbe) \ | |
2108 \ | |
2109 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
2110 , ReturnProbe); \ | |
2111 \ | |
2112 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
2113 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
2114 \ | |
2115 EntryProbe; \ | |
2116 Return ret = 0;\ | |
2117 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
2118 \ | |
2119 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2120 Klass* k = o->klass(); \ |
4006 | 2121 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2122 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2123 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
2124 /* and creates a ResetNoHandleMark. */ \ | |
2125 if (JvmtiExport::should_post_field_access()) { \ | |
2126 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
2127 } \ | |
2128 ret = o->Fieldname##_field(offset); \ | |
2129 return ret; \ | |
2130 JNI_END | |
2131 | |
2132 DEFINE_GETFIELD(jboolean, bool, Boolean | |
2133 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2134 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
2135 DEFINE_GETFIELD(jbyte, byte, Byte | |
2136 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2137 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
2138 DEFINE_GETFIELD(jchar, char, Char | |
2139 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2140 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
2141 DEFINE_GETFIELD(jshort, short, Short | |
2142 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2143 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
2144 DEFINE_GETFIELD(jint, int, Int | |
2145 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2146 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
2147 DEFINE_GETFIELD(jlong, long, Long | |
2148 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2149 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
2150 // Float and double probes don't return value because dtrace doesn't currently support it | |
2151 DEFINE_GETFIELD(jfloat, float, Float | |
2152 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2153 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
2154 DEFINE_GETFIELD(jdouble, double, Double | |
2155 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2156 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
2157 | |
0 | 2158 address jni_GetBooleanField_addr() { |
2159 return (address)jni_GetBooleanField; | |
2160 } | |
2161 address jni_GetByteField_addr() { | |
2162 return (address)jni_GetByteField; | |
2163 } | |
2164 address jni_GetCharField_addr() { | |
2165 return (address)jni_GetCharField; | |
2166 } | |
2167 address jni_GetShortField_addr() { | |
2168 return (address)jni_GetShortField; | |
2169 } | |
2170 address jni_GetIntField_addr() { | |
2171 return (address)jni_GetIntField; | |
2172 } | |
2173 address jni_GetLongField_addr() { | |
2174 return (address)jni_GetLongField; | |
2175 } | |
2176 address jni_GetFloatField_addr() { | |
2177 return (address)jni_GetFloatField; | |
2178 } | |
2179 address jni_GetDoubleField_addr() { | |
2180 return (address)jni_GetDoubleField; | |
2181 } | |
2182 | |
2183 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
2184 JNIWrapper("SetObjectField"); | |
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2185 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY(env, obj, (uintptr_t) fieldID, value); |
0 | 2186 oop o = JNIHandles::resolve_non_null(obj); |
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2187 Klass* k = o->klass(); |
0 | 2188 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
2189 // Keep JVMTI addition small and only check enabled flag here. | |
2190 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
2191 // and creates a ResetNoHandleMark. | |
2192 if (JvmtiExport::should_post_field_modification()) { | |
2193 jvalue field_value; | |
2194 field_value.l = value; | |
2195 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
2196 } | |
2197 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
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2198 HOTSPOT_JNI_SETOBJECTFIELD_RETURN(); |
0 | 2199 JNI_END |
2200 | |
4006 | 2201 |
2202 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
2203 , EntryProbe, ReturnProbe) \ | |
2204 \ | |
2205 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
2206 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
2207 \ | |
2208 EntryProbe; \ | |
2209 \ | |
2210 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2211 Klass* k = o->klass(); \ |
4006 | 2212 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
2213 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2214 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
2215 /* and creates a ResetNoHandleMark. */ \ | |
2216 if (JvmtiExport::should_post_field_modification()) { \ | |
2217 jvalue field_value; \ | |
2218 field_value.unionType = value; \ | |
2219 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
2220 } \ | |
2221 o->Fieldname##_field_put(offset, value); \ | |
2222 ReturnProbe; \ | |
2223 JNI_END | |
2224 | |
2225 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
2226 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2227 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
2228 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
2229 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2230 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
2231 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
2232 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2233 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
2234 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
2235 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2236 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
2237 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
2238 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2239 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
2240 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
2241 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
2242 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
2243 // Float and double probes don't return value because dtrace doesn't currently support it | |
2244 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
2245 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2246 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
2247 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
2248 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
2249 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
14380 | 2250 |
4006 | 2251 DT_RETURN_MARK_DECL(ToReflectedField, jobject |
2252 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
0 | 2253 |
2254 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
2255 JNIWrapper("ToReflectedField"); | |
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2256 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY(env, cls, (uintptr_t) fieldID, isStatic); |
0 | 2257 jobject ret = NULL; |
2258 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
2259 | |
2260 fieldDescriptor fd; | |
2261 bool found = false; | |
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2262 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
0 | 2263 |
2264 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
2265 | |
2266 if (isStatic) { | |
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2267 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
0 | 2268 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2269 assert(id->is_static_field_id(), "invalid static field id"); | |
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|
2270 found = id->find_local_field(&fd); |
0 | 2271 } else { |
2272 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
2273 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
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2274 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
0 | 2275 } |
2276 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
2277 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
2278 ret = JNIHandles::make_local(env, reflected); | |
2279 return ret; | |
2280 JNI_END | |
2281 | |
2282 | |
2283 // | |
2284 // Accessing Static Fields | |
2285 // | |
4006 | 2286 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID |
2287 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
0 | 2288 |
2289 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
2290 const char *name, const char *sig)) | |
2291 JNIWrapper("GetStaticFieldID"); | |
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2292 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY(env, clazz, (char *) name, (char *) sig); |
0 | 2293 jfieldID ret = NULL; |
2294 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
2295 | |
2296 // The class should have been loaded (we have an instance of the class | |
2297 // passed in) so the field and signature should already be in the symbol | |
2298 // table. If they're not there, the field doesn't exist. | |
2177
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coleenp
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diff
changeset
|
2299 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
3582bf76420e
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diff
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|
2300 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
3582bf76420e
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diff
changeset
|
2301 if (fieldname == NULL || signame == NULL) { |
0 | 2302 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2303 } | |
2304 KlassHandle k(THREAD, | |
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2305 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 2306 // Make sure class is initialized before handing id's out to static fields |
6983 | 2307 k()->initialize(CHECK_NULL); |
0 | 2308 |
2309 fieldDescriptor fd; | |
6983 | 2310 if (!k()->oop_is_instance() || |
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|
2311 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
0 | 2312 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
2313 } | |
2314 | |
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|
2315 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
6940
18fb7da42534
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6856
diff
changeset
|
2316 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
0 | 2317 debug_only(id->set_is_static_field_id();) |
2318 | |
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|
2319 debug_only(id->verify(fd.field_holder())); |
0 | 2320 |
2321 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
2322 return ret; | |
2323 JNI_END | |
2324 | |
2325 | |
2326 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
2327 JNIWrapper("GetStaticObjectField"); | |
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|
2328 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID); |
6854
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|
2329 #if INCLUDE_JNI_CHECK |
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|
2330 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
6854
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|
2331 #endif // INCLUDE_JNI_CHECK |
0 | 2332 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2333 assert(id->is_static_field_id(), "invalid static field id"); | |
2334 // Keep JVMTI addition small and only check enabled flag here. | |
2335 // jni_GetField_probe() assumes that is okay to create handles. | |
2336 if (JvmtiExport::should_post_field_access()) { | |
2337 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
2338 } | |
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|
2339 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
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|
2340 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN(ret); |
0 | 2341 return ret; |
2342 JNI_END | |
2343 | |
4006 | 2344 |
2345 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
2346 , EntryProbe, ReturnProbe) \ | |
2347 \ | |
2348 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
2349 , ReturnProbe); \ | |
2350 \ | |
2351 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
2352 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
2353 EntryProbe; \ | |
2354 Return ret = 0;\ | |
2355 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
2356 (const Return&)ret);\ | |
2357 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
2358 assert(id->is_static_field_id(), "invalid static field id"); \ | |
2359 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2360 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
2361 if (JvmtiExport::should_post_field_access()) { \ | |
2362 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
2363 } \ | |
2364 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
2365 return ret;\ | |
2366 JNI_END | |
2367 | |
2368 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
2369 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
2370 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
2371 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
2372 DEFINE_GETSTATICFIELD(jchar, char, Char | |
2373 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
2374 DEFINE_GETSTATICFIELD(jshort, short, Short | |
2375 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
2376 DEFINE_GETSTATICFIELD(jint, int, Int | |
2377 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
2378 DEFINE_GETSTATICFIELD(jlong, long, Long | |
2379 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
2380 // Float and double probes don't return value because dtrace doesn't currently support it | |
2381 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
2382 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
2383 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
2384 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
0 | 2385 |
2386 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
2387 JNIWrapper("SetStaticObjectField"); | |
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2388 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value); |
0 | 2389 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
2390 assert(id->is_static_field_id(), "invalid static field id"); | |
2391 // Keep JVMTI addition small and only check enabled flag here. | |
2392 // jni_SetField_probe() assumes that is okay to create handles. | |
2393 if (JvmtiExport::should_post_field_modification()) { | |
2394 jvalue field_value; | |
2395 field_value.l = value; | |
2396 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
2397 } | |
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2398 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
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2399 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN(); |
0 | 2400 JNI_END |
2401 | |
2402 | |
4006 | 2403 |
2404 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
2405 , EntryProbe, ReturnProbe) \ | |
2406 \ | |
2407 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
2408 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
2409 EntryProbe; \ | |
2410 \ | |
2411 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
2412 assert(id->is_static_field_id(), "invalid static field id"); \ | |
2413 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
2414 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
2415 if (JvmtiExport::should_post_field_modification()) { \ | |
2416 jvalue field_value; \ | |
2417 field_value.unionType = value; \ | |
2418 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
2419 } \ | |
2420 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
2421 ReturnProbe;\ | |
2422 JNI_END | |
2423 | |
2424 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
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2425 , HOTSPOT_JNI_SETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), |
4006 | 2426 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) |
2427 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
2428 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
2429 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
2430 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
2431 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
2432 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
2433 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
2434 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
2435 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
2436 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
2437 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
2438 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
2439 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
2440 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
2441 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
2442 // Float and double probes don't return value because dtrace doesn't currently support it | |
2443 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
2444 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
2445 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
2446 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
2447 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
2448 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
0 | 2449 |
2450 // | |
2451 // String Operations | |
2452 // | |
2453 | |
2454 // Unicode Interface | |
2455 | |
4006 | 2456 DT_RETURN_MARK_DECL(NewString, jstring |
2457 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
0 | 2458 |
2459 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
2460 JNIWrapper("NewString"); | |
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2461 HOTSPOT_JNI_NEWSTRING_ENTRY(env, (uint16_t *) unicodeChars, len); |
0 | 2462 jstring ret = NULL; |
2463 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
2464 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
2465 ret = (jstring) JNIHandles::make_local(env, string); | |
2466 return ret; | |
2467 JNI_END | |
2468 | |
2469 | |
2470 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
2471 JNIWrapper("GetStringLength"); | |
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2472 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY(env, string); |
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2473 jsize ret = 0; |
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2474 oop s = JNIHandles::resolve_non_null(string); |
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2475 if (java_lang_String::value(s) != NULL) { |
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2476 ret = java_lang_String::length(s); |
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2477 } |
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2478 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN(ret); |
0 | 2479 return ret; |
2480 JNI_END | |
2481 | |
2482 | |
2483 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
2484 JNIEnv *env, jstring string, jboolean *isCopy)) | |
2485 JNIWrapper("GetStringChars"); | |
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2486 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY(env, string, (uintptr_t *) isCopy); |
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2487 jchar* buf = NULL; |
0 | 2488 oop s = JNIHandles::resolve_non_null(string); |
2489 typeArrayOop s_value = java_lang_String::value(s); | |
12819
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2490 if (s_value != NULL) { |
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2491 int s_len = java_lang_String::length(s); |
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2492 int s_offset = java_lang_String::offset(s); |
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|
2493 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
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2494 /* JNI Specification states return NULL on OOM */ |
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|
2495 if (buf != NULL) { |
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|
2496 if (s_len > 0) { |
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|
2497 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
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|
2498 } |
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|
2499 buf[s_len] = 0; |
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|
2500 //%note jni_5 |
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2501 if (isCopy != NULL) { |
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|
2502 *isCopy = JNI_TRUE; |
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|
2503 } |
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|
2504 } |
0 | 2505 } |
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2506 HOTSPOT_JNI_GETSTRINGCHARS_RETURN(buf); |
0 | 2507 return buf; |
2508 JNI_END | |
2509 | |
2510 | |
2511 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
2512 JNIWrapper("ReleaseStringChars"); | |
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2513 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY(env, str, (uint16_t *) chars); |
0 | 2514 //%note jni_6 |
2515 if (chars != NULL) { | |
2516 // Since String objects are supposed to be immutable, don't copy any | |
2517 // new data back. A bad user will have to go after the char array. | |
2518 FreeHeap((void*) chars); | |
2519 } | |
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2520 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN(); |
0 | 2521 JNI_END |
2522 | |
2523 | |
2524 // UTF Interface | |
2525 | |
4006 | 2526 DT_RETURN_MARK_DECL(NewStringUTF, jstring |
2527 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
0 | 2528 |
2529 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
2530 JNIWrapper("NewStringUTF"); | |
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2531 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY(env, (char *) bytes); |
0 | 2532 jstring ret; |
2533 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
2534 | |
2535 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
2536 ret = (jstring) JNIHandles::make_local(env, result); | |
2537 return ret; | |
2538 JNI_END | |
2539 | |
2540 | |
2541 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
2542 JNIWrapper("GetStringUTFLength"); | |
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|
2543 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY(env, string); |
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2544 jsize ret = 0; |
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2545 oop java_string = JNIHandles::resolve_non_null(string); |
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|
2546 if (java_lang_String::value(java_string) != NULL) { |
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|
2547 ret = java_lang_String::utf8_length(java_string); |
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|
2548 } |
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|
2549 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN(ret); |
0 | 2550 return ret; |
2551 JNI_END | |
2552 | |
2553 | |
2554 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
2555 JNIWrapper("GetStringUTFChars"); | |
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|
2556 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY(env, string, (uintptr_t *) isCopy); |
12819
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|
2557 char* result = NULL; |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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1980
diff
changeset
|
2558 oop java_string = JNIHandles::resolve_non_null(string); |
12819
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|
2559 if (java_lang_String::value(java_string) != NULL) { |
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|
2560 size_t length = java_lang_String::utf8_length(java_string); |
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|
2561 /* JNI Specification states return NULL on OOM */ |
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|
2562 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
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|
2563 if (result != NULL) { |
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changeset
|
2564 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
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|
2565 if (isCopy != NULL) { |
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|
2566 *isCopy = JNI_TRUE; |
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|
2567 } |
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|
2568 } |
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|
2569 } |
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|
2570 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN(result); |
0 | 2571 return result; |
2572 JNI_END | |
2573 | |
2574 | |
2575 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
2576 JNIWrapper("ReleaseStringUTFChars"); | |
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|
2577 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY(env, str, (char *) chars); |
0 | 2578 if (chars != NULL) { |
2579 FreeHeap((char*) chars); | |
2580 } | |
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|
2581 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN(); |
0 | 2582 JNI_END |
2583 | |
2584 | |
2585 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
2586 JNIWrapper("GetArrayLength"); | |
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|
2587 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY(env, array); |
0 | 2588 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
2589 assert(a->is_array(), "must be array"); | |
2590 jsize ret = a->length(); | |
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2591 HOTSPOT_JNI_GETARRAYLENGTH_RETURN(ret); |
0 | 2592 return ret; |
2593 JNI_END | |
2594 | |
2595 | |
2596 // | |
2597 // Object Array Operations | |
2598 // | |
2599 | |
4006 | 2600 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray |
2601 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
0 | 2602 |
2603 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
2604 JNIWrapper("NewObjectArray"); | |
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|
2605 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY(env, length, elementClass, initialElement); |
0 | 2606 jobjectArray ret = NULL; |
2607 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6197
diff
changeset
|
2608 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
6983 | 2609 Klass* ako = ek()->array_klass(CHECK_NULL); |
0 | 2610 KlassHandle ak = KlassHandle(THREAD, ako); |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
changeset
|
2611 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
changeset
|
2612 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
0 | 2613 oop initial_value = JNIHandles::resolve(initialElement); |
2614 if (initial_value != NULL) { // array already initialized with NULL | |
2615 for (int index = 0; index < length; index++) { | |
2616 result->obj_at_put(index, initial_value); | |
2617 } | |
2618 } | |
2619 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
2620 return ret; | |
2621 JNI_END | |
2622 | |
4006 | 2623 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject |
2624 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
0 | 2625 |
2626 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
2627 JNIWrapper("GetObjectArrayElement"); | |
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2628 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY(env, array, index); |
0 | 2629 jobject ret = NULL; |
2630 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
2631 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
2632 if (a->is_within_bounds(index)) { | |
1034
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diff
changeset
|
2633 ret = JNIHandles::make_local(env, a->obj_at(index)); |
0 | 2634 return ret; |
2635 } else { | |
2636 char buf[jintAsStringSize]; | |
2637 sprintf(buf, "%d", index); | |
2638 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
2639 } | |
2640 JNI_END | |
2641 | |
4006 | 2642 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement |
2643 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
0 | 2644 |
2645 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
2646 JNIWrapper("SetObjectArrayElement"); | |
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2647 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY(env, array, index, value); |
0 | 2648 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
2649 | |
2650 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
2651 oop v = JNIHandles::resolve(value); | |
2652 if (a->is_within_bounds(index)) { | |
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changeset
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2653 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
0 | 2654 a->obj_at_put(index, v); |
2655 } else { | |
2656 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
2657 } | |
2658 } else { | |
2659 char buf[jintAsStringSize]; | |
2660 sprintf(buf, "%d", index); | |
2661 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
2662 } | |
2663 JNI_END | |
2664 | |
2665 | |
4006 | 2666 |
2667 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
2668 ,EntryProbe,ReturnProbe) \ | |
2669 \ | |
2670 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
2671 , ReturnProbe); \ | |
2672 \ | |
2673 JNI_ENTRY(Return, \ | |
2674 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
2675 JNIWrapper("New" XSTR(Result) "Array"); \ | |
2676 EntryProbe; \ | |
2677 Return ret = NULL;\ | |
2678 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
2679 \ | |
2680 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
2681 ret = (Return) JNIHandles::make_local(env, obj); \ | |
2682 return ret;\ | |
2683 JNI_END | |
2684 | |
2685 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
2686 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
2687 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
2688 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
2689 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
2690 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
2691 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
2692 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
2693 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
2694 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
2695 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
2696 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
2697 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
2698 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
2699 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
2700 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
2701 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
2702 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
2703 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
2704 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
2705 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
2706 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
2707 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
2708 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
0 | 2709 |
2710 // Return an address which will fault if the caller writes to it. | |
2711 | |
2712 static char* get_bad_address() { | |
2713 static char* bad_address = NULL; | |
2714 if (bad_address == NULL) { | |
2715 size_t size = os::vm_allocation_granularity(); | |
2716 bad_address = os::reserve_memory(size); | |
2717 if (bad_address != NULL) { | |
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2718 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
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2719 /*is_committed*/false); |
0 | 2720 } |
2721 } | |
2722 return bad_address; | |
2723 } | |
2724 | |
2725 | |
4006 | 2726 |
2727 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
2728 , EntryProbe, ReturnProbe) \ | |
2729 \ | |
2730 JNI_QUICK_ENTRY(ElementType*, \ | |
2731 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
2732 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
2733 EntryProbe; \ | |
2734 /* allocate an chunk of memory in c land */ \ | |
2735 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
2736 ElementType* result; \ | |
2737 int len = a->length(); \ | |
2738 if (len == 0) { \ | |
2739 /* Empty array: legal but useless, can't return NULL. \ | |
2740 * Return a pointer to something useless. \ | |
2741 * Avoid asserts in typeArrayOop. */ \ | |
2742 result = (ElementType*)get_bad_address(); \ | |
2743 } else { \ | |
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2744 /* JNI Specification states return NULL on OOM */ \ |
faf2631b9334
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2745 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
faf2631b9334
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2746 if (result != NULL) { \ |
faf2631b9334
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|
2747 /* copy the array to the c chunk */ \ |
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|
2748 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
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2749 if (isCopy) { \ |
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2750 *isCopy = JNI_TRUE; \ |
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|
2751 } \ |
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|
2752 } \ |
4006 | 2753 } \ |
2754 ReturnProbe; \ | |
2755 return result; \ | |
2756 JNI_END | |
2757 | |
2758 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
2759 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
2760 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
2761 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
2762 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
2763 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
2764 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
2765 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
2766 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
2767 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
2768 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
2769 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
2770 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
2771 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
2772 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
2773 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
2774 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
2775 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
2776 // Float and double probes don't return value because dtrace doesn't currently support it | |
2777 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
2778 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
2779 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
2780 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
2781 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
2782 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
14380 | 2783 |
4006 | 2784 |
2785 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
2786 , EntryProbe, ReturnProbe);\ | |
2787 \ | |
2788 JNI_QUICK_ENTRY(void, \ | |
2789 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
2790 ElementType *buf, jint mode)) \ | |
2791 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
2792 EntryProbe; \ | |
2793 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
2794 int len = a->length(); \ | |
2795 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
2796 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
2797 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
2798 } \ | |
2799 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
2800 FreeHeap(buf); \ | |
2801 } \ | |
2802 } \ | |
2803 ReturnProbe; \ | |
2804 JNI_END | |
2805 | |
2806 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
2807 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
2808 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
2809 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
2810 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
2811 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
2812 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
2813 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
2814 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
2815 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
2816 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
2817 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
2818 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
2819 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
2820 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
2821 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
2822 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
2823 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
2824 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
2825 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
2826 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
2827 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
2828 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
2829 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
14380 | 2830 |
4006 | 2831 |
2832 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
2833 , EntryProbe, ReturnProbe); \ | |
2834 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
2835 , ReturnProbe); \ | |
2836 \ | |
2837 JNI_ENTRY(void, \ | |
2838 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
2839 jsize len, ElementType *buf)) \ | |
2840 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
2841 EntryProbe; \ | |
2842 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
2843 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
2844 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
2845 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
2846 } else { \ | |
2847 if (len > 0) { \ | |
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8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
changeset
|
2848 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
4006 | 2849 memcpy((u_char*) buf, \ |
2850 (u_char*) src->Tag##_at_addr(start), \ | |
2851 len << sc); \ | |
2852 } \ | |
2853 } \ | |
2854 JNI_END | |
2855 | |
2856 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
2857 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
2858 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
2859 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
2860 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
2861 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
2862 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
2863 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
2864 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
2865 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
2866 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
2867 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
2868 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
2869 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
2870 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
2871 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
2872 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
2873 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
2874 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
2875 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
2876 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
2877 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
2878 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
2879 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
14380 | 2880 |
4006 | 2881 |
2882 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
2883 , EntryProbe, ReturnProbe); \ | |
2884 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
2885 ,ReturnProbe); \ | |
2886 \ | |
2887 JNI_ENTRY(void, \ | |
2888 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
2889 jsize len, const ElementType *buf)) \ | |
2890 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
2891 EntryProbe; \ | |
2892 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
2893 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
2894 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
2895 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
2896 } else { \ | |
2897 if (len > 0) { \ | |
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8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
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diff
changeset
|
2898 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
4006 | 2899 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
2900 (u_char*) buf, \ | |
2901 len << sc); \ | |
2902 } \ | |
2903 } \ | |
2904 JNI_END | |
2905 | |
2906 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
2907 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
2908 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
2909 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
2910 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
2911 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
2912 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
2913 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
2914 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
2915 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
2916 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
2917 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
2918 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
2919 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
2920 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
2921 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
2922 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
2923 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
2924 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
2925 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
2926 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
2927 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
2928 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
2929 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
2930 | |
0 | 2931 |
2932 // | |
2933 // Interception of natives | |
2934 // | |
2935 | |
2936 // The RegisterNatives call being attempted tried to register with a method that | |
2937 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
2938 // to see if the native method is now wrapped with the prefixes. See the | |
2939 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
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diff
changeset
|
2940 static Method* find_prefixed_native(KlassHandle k, |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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1989
diff
changeset
|
2941 Symbol* name, Symbol* signature, TRAPS) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
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6725
diff
changeset
|
2942 #if INCLUDE_JVMTI |
0 | 2943 ResourceMark rm(THREAD); |
6725
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changeset
|
2944 Method* method; |
0 | 2945 int name_len = name->utf8_length(); |
2946 char* name_str = name->as_utf8(); | |
2947 int prefix_count; | |
2948 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
2949 for (int i = 0; i < prefix_count; i++) { | |
2950 char* prefix = prefixes[i]; | |
2951 int prefix_len = (int)strlen(prefix); | |
2952 | |
2953 // try adding this prefix to the method name and see if it matches another method name | |
2954 int trial_len = name_len + prefix_len; | |
2955 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
2956 strcpy(trial_name_str, prefix); | |
2957 strcat(trial_name_str, name_str); | |
2177
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2958 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
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|
2959 if (trial_name == NULL) { |
0 | 2960 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
2961 } | |
6983 | 2962 method = k()->lookup_method(trial_name, signature); |
0 | 2963 if (method == NULL) { |
2964 continue; // signature doesn't match, try the next prefix | |
2965 } | |
2966 if (method->is_native()) { | |
2967 method->set_is_prefixed_native(); | |
2968 return method; // wahoo, we found a prefixed version of the method, return it | |
2969 } | |
2970 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
2971 name_len = trial_len; | |
2972 name_str = trial_name_str; | |
2973 } | |
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2974 #endif // INCLUDE_JVMTI |
0 | 2975 return NULL; // not found |
2976 } | |
2977 | |
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2978 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
6983 | 2979 Method* method = k()->lookup_method(name, signature); |
0 | 2980 if (method == NULL) { |
2981 ResourceMark rm; | |
2982 stringStream st; | |
2983 st.print("Method %s name or signature does not match", | |
6983 | 2984 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 2985 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
2986 } | |
2987 if (!method->is_native()) { | |
2988 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
2989 method = find_prefixed_native(k, name, signature, THREAD); | |
2990 if (method == NULL) { | |
2991 ResourceMark rm; | |
2992 stringStream st; | |
2993 st.print("Method %s is not declared as native", | |
6983 | 2994 Method::name_and_sig_as_C_string(k(), name, signature)); |
0 | 2995 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
2996 } | |
2997 } | |
2998 | |
2999 if (entry != NULL) { | |
3000 method->set_native_function(entry, | |
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3001 Method::native_bind_event_is_interesting); |
0 | 3002 } else { |
3003 method->clear_native_function(); | |
3004 } | |
3005 if (PrintJNIResolving) { | |
3006 ResourceMark rm(THREAD); | |
3007 tty->print_cr("[Registering JNI native method %s.%s]", | |
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diff
changeset
|
3008 method->method_holder()->external_name(), |
0 | 3009 method->name()->as_C_string()); |
3010 } | |
3011 return true; | |
3012 } | |
3013 | |
4006 | 3014 DT_RETURN_MARK_DECL(RegisterNatives, jint |
3015 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
0 | 3016 |
3017 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
3018 const JNINativeMethod *methods, | |
3019 jint nMethods)) | |
3020 JNIWrapper("RegisterNatives"); | |
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3021 HOTSPOT_JNI_REGISTERNATIVES_ENTRY(env, clazz, (void *) methods, nMethods); |
0 | 3022 jint ret = 0; |
3023 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
3024 | |
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3025 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
0 | 3026 |
3027 for (int index = 0; index < nMethods; index++) { | |
3028 const char* meth_name = methods[index].name; | |
3029 const char* meth_sig = methods[index].signature; | |
3030 int meth_name_len = (int)strlen(meth_name); | |
3031 | |
3032 // The class should have been loaded (we have an instance of the class | |
3033 // passed in) so the method and signature should already be in the symbol | |
3034 // table. If they're not there, the method doesn't exist. | |
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3035 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
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|
3036 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
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|
3037 |
3582bf76420e
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|
3038 if (name == NULL || signature == NULL) { |
0 | 3039 ResourceMark rm; |
3040 stringStream st; | |
6983 | 3041 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
0 | 3042 // Must return negative value on failure |
3043 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
3044 } | |
3045 | |
3046 bool res = register_native(h_k, name, signature, | |
3047 (address) methods[index].fnPtr, THREAD); | |
3048 if (!res) { | |
3049 ret = -1; | |
3050 break; | |
3051 } | |
3052 } | |
3053 return ret; | |
3054 JNI_END | |
3055 | |
3056 | |
3057 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
3058 JNIWrapper("UnregisterNatives"); | |
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3059 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY(env, clazz); |
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3060 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
0 | 3061 //%note jni_2 |
6983 | 3062 if (k->oop_is_instance()) { |
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3063 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
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|
3064 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
0 | 3065 if (m->is_native()) { |
3066 m->clear_native_function(); | |
3067 m->set_signature_handler(NULL); | |
3068 } | |
3069 } | |
3070 } | |
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3071 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN(0); |
0 | 3072 return 0; |
3073 JNI_END | |
3074 | |
3075 // | |
3076 // Monitor functions | |
3077 // | |
3078 | |
4006 | 3079 DT_RETURN_MARK_DECL(MonitorEnter, jint |
3080 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
0 | 3081 |
3082 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
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|
3083 HOTSPOT_JNI_MONITORENTER_ENTRY(env, jobj); |
0 | 3084 jint ret = JNI_ERR; |
3085 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
3086 | |
3087 // If the object is null, we can't do anything with it | |
3088 if (jobj == NULL) { | |
3089 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
3090 } | |
3091 | |
3092 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
3093 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
3094 ret = JNI_OK; | |
3095 return ret; | |
3096 JNI_END | |
3097 | |
4006 | 3098 DT_RETURN_MARK_DECL(MonitorExit, jint |
3099 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
0 | 3100 |
3101 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
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|
3102 HOTSPOT_JNI_MONITOREXIT_ENTRY(env, jobj); |
0 | 3103 jint ret = JNI_ERR; |
3104 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
3105 | |
3106 // Don't do anything with a null object | |
3107 if (jobj == NULL) { | |
3108 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
3109 } | |
3110 | |
3111 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
3112 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
3113 | |
3114 ret = JNI_OK; | |
3115 return ret; | |
3116 JNI_END | |
3117 | |
3118 // | |
3119 // Extensions | |
3120 // | |
3121 | |
4006 | 3122 DT_VOID_RETURN_MARK_DECL(GetStringRegion |
3123 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
0 | 3124 |
3125 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
3126 JNIWrapper("GetStringRegion"); | |
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|
3127 HOTSPOT_JNI_GETSTRINGREGION_ENTRY(env, string, start, len, buf); |
0 | 3128 DT_VOID_RETURN_MARK(GetStringRegion); |
3129 oop s = JNIHandles::resolve_non_null(string); | |
3130 int s_len = java_lang_String::length(s); | |
3131 if (start < 0 || len < 0 || start + len > s_len) { | |
3132 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
3133 } else { | |
3134 if (len > 0) { | |
3135 int s_offset = java_lang_String::offset(s); | |
3136 typeArrayOop s_value = java_lang_String::value(s); | |
3137 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
3138 } | |
3139 } | |
3140 JNI_END | |
3141 | |
4006 | 3142 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion |
3143 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
0 | 3144 |
3145 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
3146 JNIWrapper("GetStringUTFRegion"); | |
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|
3147 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY(env, string, start, len, buf); |
0 | 3148 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
3149 oop s = JNIHandles::resolve_non_null(string); | |
3150 int s_len = java_lang_String::length(s); | |
3151 if (start < 0 || len < 0 || start + len > s_len) { | |
3152 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
3153 } else { | |
3154 //%note jni_7 | |
3155 if (len > 0) { | |
3156 ResourceMark rm(THREAD); | |
3157 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
3158 int utf_len = (int)strlen(utf_region); | |
3159 memcpy(buf, utf_region, utf_len); | |
3160 buf[utf_len] = 0; | |
3161 } else { | |
3162 // JDK null-terminates the buffer even in len is zero | |
3163 if (buf != NULL) { | |
3164 buf[0] = 0; | |
3165 } | |
3166 } | |
3167 } | |
3168 JNI_END | |
3169 | |
3170 | |
3171 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
3172 JNIWrapper("GetPrimitiveArrayCritical"); | |
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|
3173 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY(env, array, (uintptr_t *) isCopy); |
0 | 3174 GC_locker::lock_critical(thread); |
3175 if (isCopy != NULL) { | |
3176 *isCopy = JNI_FALSE; | |
3177 } | |
3178 oop a = JNIHandles::resolve_non_null(array); | |
3179 assert(a->is_array(), "just checking"); | |
3180 BasicType type; | |
3181 if (a->is_objArray()) { | |
3182 type = T_OBJECT; | |
3183 } else { | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3184 type = TypeArrayKlass::cast(a->klass())->element_type(); |
0 | 3185 } |
3186 void* ret = arrayOop(a)->base(type); | |
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|
3187 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN(ret); |
0 | 3188 return ret; |
3189 JNI_END | |
3190 | |
3191 | |
3192 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
3193 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
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|
3194 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY(env, array, carray, mode); |
0 | 3195 // The array, carray and mode arguments are ignored |
3196 GC_locker::unlock_critical(thread); | |
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|
3197 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN(); |
0 | 3198 JNI_END |
3199 | |
3200 | |
3201 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
3202 JNIWrapper("GetStringCritical"); | |
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3203 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY(env, string, (uintptr_t *) isCopy); |
0 | 3204 GC_locker::lock_critical(thread); |
3205 if (isCopy != NULL) { | |
3206 *isCopy = JNI_FALSE; | |
3207 } | |
3208 oop s = JNIHandles::resolve_non_null(string); | |
3209 int s_len = java_lang_String::length(s); | |
3210 typeArrayOop s_value = java_lang_String::value(s); | |
3211 int s_offset = java_lang_String::offset(s); | |
3212 const jchar* ret; | |
3213 if (s_len > 0) { | |
3214 ret = s_value->char_at_addr(s_offset); | |
3215 } else { | |
3216 ret = (jchar*) s_value->base(T_CHAR); | |
3217 } | |
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|
3218 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN((uint16_t *) ret); |
0 | 3219 return ret; |
3220 JNI_END | |
3221 | |
3222 | |
3223 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
3224 JNIWrapper("ReleaseStringCritical"); | |
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|
3225 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY(env, str, (uint16_t *) chars); |
0 | 3226 // The str and chars arguments are ignored |
3227 GC_locker::unlock_critical(thread); | |
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|
3228 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN(); |
0 | 3229 JNI_END |
3230 | |
3231 | |
3232 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
3233 JNIWrapper("jni_NewWeakGlobalRef"); | |
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|
3234 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY(env, ref); |
0 | 3235 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
3236 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
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|
3237 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN(ret); |
0 | 3238 return ret; |
3239 JNI_END | |
3240 | |
3241 // Must be JNI_ENTRY (with HandleMark) | |
3242 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
3243 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
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|
3244 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY(env, ref); |
0 | 3245 JNIHandles::destroy_weak_global(ref); |
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|
3246 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN(); |
0 | 3247 JNI_END |
3248 | |
3249 | |
3250 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
3251 JNIWrapper("jni_ExceptionCheck"); | |
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|
3252 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY(env); |
0 | 3253 jni_check_async_exceptions(thread); |
3254 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
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|
3255 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN(ret); |
0 | 3256 return ret; |
3257 JNI_END | |
3258 | |
3259 | |
3260 // Initialization state for three routines below relating to | |
3261 // java.nio.DirectBuffers | |
3262 static jint directBufferSupportInitializeStarted = 0; | |
3263 static volatile jint directBufferSupportInitializeEnded = 0; | |
3264 static volatile jint directBufferSupportInitializeFailed = 0; | |
3265 static jclass bufferClass = NULL; | |
3266 static jclass directBufferClass = NULL; | |
3267 static jclass directByteBufferClass = NULL; | |
3268 static jmethodID directByteBufferConstructor = NULL; | |
3269 static jfieldID directBufferAddressField = NULL; | |
3270 static jfieldID bufferCapacityField = NULL; | |
3271 | |
3272 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
3273 Handle loader; // null (bootstrap) loader | |
3274 Handle protection_domain; // null protection domain | |
3275 | |
2177
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1989
diff
changeset
|
3276 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
3277 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
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579
diff
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|
3278 |
715dceaa89b7
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acorn
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579
diff
changeset
|
3279 if (TraceClassResolution && result != NULL) { |
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|
3280 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
657
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acorn
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diff
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|
3281 } |
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acorn
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diff
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|
3282 return result; |
0 | 3283 } |
3284 | |
3285 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
3286 // circumvent any security checks that would be done by jni_FindClass. | |
3287 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
3288 { | |
3289 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
3290 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
3291 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
3292 return true; | |
3293 } | |
3294 JNI_END | |
3295 | |
3296 | |
3297 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
3298 if (directBufferSupportInitializeFailed) { | |
3299 return false; | |
3300 } | |
3301 | |
3302 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
3303 if (!lookupDirectBufferClasses(env)) { | |
3304 directBufferSupportInitializeFailed = 1; | |
3305 return false; | |
3306 } | |
3307 | |
3308 // Make global references for these | |
3309 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
3310 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
3311 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
3312 | |
3313 // Get needed field and method IDs | |
3314 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
14370
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ccheung
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diff
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|
3315 if (env->ExceptionCheck()) { |
4f6bf7dd3f52
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ccheung
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|
3316 env->ExceptionClear(); |
4f6bf7dd3f52
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diff
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|
3317 directBufferSupportInitializeFailed = 1; |
4f6bf7dd3f52
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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diff
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|
3318 return false; |
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|
3319 } |
0 | 3320 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); |
14370
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|
3321 if (env->ExceptionCheck()) { |
4f6bf7dd3f52
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|
3322 env->ExceptionClear(); |
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3323 directBufferSupportInitializeFailed = 1; |
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8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
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3324 return false; |
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3325 } |
0 | 3326 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); |
14370
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|
3327 if (env->ExceptionCheck()) { |
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3328 env->ExceptionClear(); |
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3329 directBufferSupportInitializeFailed = 1; |
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3330 return false; |
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3331 } |
0 | 3332 |
3333 if ((directByteBufferConstructor == NULL) || | |
3334 (directBufferAddressField == NULL) || | |
3335 (bufferCapacityField == NULL)) { | |
3336 directBufferSupportInitializeFailed = 1; | |
3337 return false; | |
3338 } | |
3339 | |
3340 directBufferSupportInitializeEnded = 1; | |
3341 } else { | |
3342 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
521
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6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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diff
changeset
|
3343 // 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
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|
3344 // 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
|
3345 // 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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changeset
|
3346 // put inside the loop to avoid potential deadlock when multiple threads |
4db4e58c16bd
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diff
changeset
|
3347 // try to call this method. See 6791815 for more details. |
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diff
changeset
|
3348 ThreadInVMfromNative tivn(thread); |
0 | 3349 os::yield_all(); |
3350 } | |
3351 } | |
3352 | |
3353 return !directBufferSupportInitializeFailed; | |
3354 } | |
3355 | |
3356 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
3357 { | |
3358 // thread_from_jni_environment() will block if VM is gone. | |
3359 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
3360 | |
3361 JNIWrapper("jni_NewDirectByteBuffer"); | |
14278
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diff
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|
3362 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY(env, address, capacity); |
0 | 3363 |
3364 if (!directBufferSupportInitializeEnded) { | |
3365 if (!initializeDirectBufferSupport(env, thread)) { | |
14278
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changeset
|
3366 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(NULL); |
0 | 3367 return NULL; |
3368 } | |
3369 } | |
3370 | |
3371 // Being paranoid about accidental sign extension on address | |
3372 jlong addr = (jlong) ((uintptr_t) address); | |
3373 // NOTE that package-private DirectByteBuffer constructor currently | |
3374 // takes int capacity | |
3375 jint cap = (jint) capacity; | |
3376 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
14278
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|
3377 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(ret); |
0 | 3378 return ret; |
3379 } | |
3380 | |
4006 | 3381 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* |
3382 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
0 | 3383 |
3384 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
3385 { | |
3386 // thread_from_jni_environment() will block if VM is gone. | |
3387 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
3388 | |
3389 JNIWrapper("jni_GetDirectBufferAddress"); | |
14278
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|
3390 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY(env, buf); |
0 | 3391 void* ret = NULL; |
3392 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
3393 | |
3394 if (!directBufferSupportInitializeEnded) { | |
3395 if (!initializeDirectBufferSupport(env, thread)) { | |
3396 return 0; | |
3397 } | |
3398 } | |
3399 | |
3400 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
3401 return 0; | |
3402 } | |
3403 | |
3404 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
3405 return ret; | |
3406 } | |
3407 | |
4006 | 3408 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong |
3409 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
0 | 3410 |
3411 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
3412 { | |
3413 // thread_from_jni_environment() will block if VM is gone. | |
3414 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
3415 | |
3416 JNIWrapper("jni_GetDirectBufferCapacity"); | |
14278
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|
3417 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY(env, buf); |
0 | 3418 jlong ret = -1; |
3419 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
3420 | |
3421 if (!directBufferSupportInitializeEnded) { | |
3422 if (!initializeDirectBufferSupport(env, thread)) { | |
3423 ret = 0; | |
3424 return ret; | |
3425 } | |
3426 } | |
3427 | |
3428 if (buf == NULL) { | |
3429 return -1; | |
3430 } | |
3431 | |
3432 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
3433 return -1; | |
3434 } | |
3435 | |
3436 // NOTE that capacity is currently an int in the implementation | |
3437 ret = env->GetIntField(buf, bufferCapacityField); | |
3438 return ret; | |
3439 } | |
3440 | |
3441 | |
3442 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
3443 JNIWrapper("GetVersion"); | |
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
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diff
changeset
|
3444 HOTSPOT_JNI_GETVERSION_ENTRY(env); |
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
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changeset
|
3445 HOTSPOT_JNI_GETVERSION_RETURN(CurrentVersion); |
0 | 3446 return CurrentVersion; |
3447 JNI_END | |
3448 | |
3449 extern struct JavaVM_ main_vm; | |
3450 | |
3451 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
3452 JNIWrapper("jni_GetJavaVM"); | |
14278
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sla
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changeset
|
3453 HOTSPOT_JNI_GETJAVAVM_ENTRY(env, (void **) vm); |
0 | 3454 *vm = (JavaVM *)(&main_vm); |
14278
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sla
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changeset
|
3455 HOTSPOT_JNI_GETJAVAVM_RETURN(JNI_OK); |
0 | 3456 return JNI_OK; |
3457 JNI_END | |
3458 | |
3459 // Structure containing all jni functions | |
3460 struct JNINativeInterface_ jni_NativeInterface = { | |
3461 NULL, | |
3462 NULL, | |
3463 NULL, | |
3464 | |
3465 NULL, | |
3466 | |
3467 jni_GetVersion, | |
3468 | |
3469 jni_DefineClass, | |
3470 jni_FindClass, | |
3471 | |
3472 jni_FromReflectedMethod, | |
3473 jni_FromReflectedField, | |
3474 | |
3475 jni_ToReflectedMethod, | |
3476 | |
3477 jni_GetSuperclass, | |
3478 jni_IsAssignableFrom, | |
3479 | |
3480 jni_ToReflectedField, | |
3481 | |
3482 jni_Throw, | |
3483 jni_ThrowNew, | |
3484 jni_ExceptionOccurred, | |
3485 jni_ExceptionDescribe, | |
3486 jni_ExceptionClear, | |
3487 jni_FatalError, | |
3488 | |
3489 jni_PushLocalFrame, | |
3490 jni_PopLocalFrame, | |
3491 | |
3492 jni_NewGlobalRef, | |
3493 jni_DeleteGlobalRef, | |
3494 jni_DeleteLocalRef, | |
3495 jni_IsSameObject, | |
3496 | |
3497 jni_NewLocalRef, | |
3498 jni_EnsureLocalCapacity, | |
3499 | |
3500 jni_AllocObject, | |
3501 jni_NewObject, | |
3502 jni_NewObjectV, | |
3503 jni_NewObjectA, | |
3504 | |
3505 jni_GetObjectClass, | |
3506 jni_IsInstanceOf, | |
3507 | |
3508 jni_GetMethodID, | |
3509 | |
3510 jni_CallObjectMethod, | |
3511 jni_CallObjectMethodV, | |
3512 jni_CallObjectMethodA, | |
3513 jni_CallBooleanMethod, | |
3514 jni_CallBooleanMethodV, | |
3515 jni_CallBooleanMethodA, | |
3516 jni_CallByteMethod, | |
3517 jni_CallByteMethodV, | |
3518 jni_CallByteMethodA, | |
3519 jni_CallCharMethod, | |
3520 jni_CallCharMethodV, | |
3521 jni_CallCharMethodA, | |
3522 jni_CallShortMethod, | |
3523 jni_CallShortMethodV, | |
3524 jni_CallShortMethodA, | |
3525 jni_CallIntMethod, | |
3526 jni_CallIntMethodV, | |
3527 jni_CallIntMethodA, | |
3528 jni_CallLongMethod, | |
3529 jni_CallLongMethodV, | |
3530 jni_CallLongMethodA, | |
3531 jni_CallFloatMethod, | |
3532 jni_CallFloatMethodV, | |
3533 jni_CallFloatMethodA, | |
3534 jni_CallDoubleMethod, | |
3535 jni_CallDoubleMethodV, | |
3536 jni_CallDoubleMethodA, | |
3537 jni_CallVoidMethod, | |
3538 jni_CallVoidMethodV, | |
3539 jni_CallVoidMethodA, | |
3540 | |
3541 jni_CallNonvirtualObjectMethod, | |
3542 jni_CallNonvirtualObjectMethodV, | |
3543 jni_CallNonvirtualObjectMethodA, | |
3544 jni_CallNonvirtualBooleanMethod, | |
3545 jni_CallNonvirtualBooleanMethodV, | |
3546 jni_CallNonvirtualBooleanMethodA, | |
3547 jni_CallNonvirtualByteMethod, | |
3548 jni_CallNonvirtualByteMethodV, | |
3549 jni_CallNonvirtualByteMethodA, | |
3550 jni_CallNonvirtualCharMethod, | |
3551 jni_CallNonvirtualCharMethodV, | |
3552 jni_CallNonvirtualCharMethodA, | |
3553 jni_CallNonvirtualShortMethod, | |
3554 jni_CallNonvirtualShortMethodV, | |
3555 jni_CallNonvirtualShortMethodA, | |
3556 jni_CallNonvirtualIntMethod, | |
3557 jni_CallNonvirtualIntMethodV, | |
3558 jni_CallNonvirtualIntMethodA, | |
3559 jni_CallNonvirtualLongMethod, | |
3560 jni_CallNonvirtualLongMethodV, | |
3561 jni_CallNonvirtualLongMethodA, | |
3562 jni_CallNonvirtualFloatMethod, | |
3563 jni_CallNonvirtualFloatMethodV, | |
3564 jni_CallNonvirtualFloatMethodA, | |
3565 jni_CallNonvirtualDoubleMethod, | |
3566 jni_CallNonvirtualDoubleMethodV, | |
3567 jni_CallNonvirtualDoubleMethodA, | |
3568 jni_CallNonvirtualVoidMethod, | |
3569 jni_CallNonvirtualVoidMethodV, | |
3570 jni_CallNonvirtualVoidMethodA, | |
3571 | |
3572 jni_GetFieldID, | |
3573 | |
3574 jni_GetObjectField, | |
3575 jni_GetBooleanField, | |
3576 jni_GetByteField, | |
3577 jni_GetCharField, | |
3578 jni_GetShortField, | |
3579 jni_GetIntField, | |
3580 jni_GetLongField, | |
3581 jni_GetFloatField, | |
3582 jni_GetDoubleField, | |
3583 | |
3584 jni_SetObjectField, | |
3585 jni_SetBooleanField, | |
3586 jni_SetByteField, | |
3587 jni_SetCharField, | |
3588 jni_SetShortField, | |
3589 jni_SetIntField, | |
3590 jni_SetLongField, | |
3591 jni_SetFloatField, | |
3592 jni_SetDoubleField, | |
3593 | |
3594 jni_GetStaticMethodID, | |
3595 | |
3596 jni_CallStaticObjectMethod, | |
3597 jni_CallStaticObjectMethodV, | |
3598 jni_CallStaticObjectMethodA, | |
3599 jni_CallStaticBooleanMethod, | |
3600 jni_CallStaticBooleanMethodV, | |
3601 jni_CallStaticBooleanMethodA, | |
3602 jni_CallStaticByteMethod, | |
3603 jni_CallStaticByteMethodV, | |
3604 jni_CallStaticByteMethodA, | |
3605 jni_CallStaticCharMethod, | |
3606 jni_CallStaticCharMethodV, | |
3607 jni_CallStaticCharMethodA, | |
3608 jni_CallStaticShortMethod, | |
3609 jni_CallStaticShortMethodV, | |
3610 jni_CallStaticShortMethodA, | |
3611 jni_CallStaticIntMethod, | |
3612 jni_CallStaticIntMethodV, | |
3613 jni_CallStaticIntMethodA, | |
3614 jni_CallStaticLongMethod, | |
3615 jni_CallStaticLongMethodV, | |
3616 jni_CallStaticLongMethodA, | |
3617 jni_CallStaticFloatMethod, | |
3618 jni_CallStaticFloatMethodV, | |
3619 jni_CallStaticFloatMethodA, | |
3620 jni_CallStaticDoubleMethod, | |
3621 jni_CallStaticDoubleMethodV, | |
3622 jni_CallStaticDoubleMethodA, | |
3623 jni_CallStaticVoidMethod, | |
3624 jni_CallStaticVoidMethodV, | |
3625 jni_CallStaticVoidMethodA, | |
3626 | |
3627 jni_GetStaticFieldID, | |
3628 | |
3629 jni_GetStaticObjectField, | |
3630 jni_GetStaticBooleanField, | |
3631 jni_GetStaticByteField, | |
3632 jni_GetStaticCharField, | |
3633 jni_GetStaticShortField, | |
3634 jni_GetStaticIntField, | |
3635 jni_GetStaticLongField, | |
3636 jni_GetStaticFloatField, | |
3637 jni_GetStaticDoubleField, | |
3638 | |
3639 jni_SetStaticObjectField, | |
3640 jni_SetStaticBooleanField, | |
3641 jni_SetStaticByteField, | |
3642 jni_SetStaticCharField, | |
3643 jni_SetStaticShortField, | |
3644 jni_SetStaticIntField, | |
3645 jni_SetStaticLongField, | |
3646 jni_SetStaticFloatField, | |
3647 jni_SetStaticDoubleField, | |
3648 | |
3649 jni_NewString, | |
3650 jni_GetStringLength, | |
3651 jni_GetStringChars, | |
3652 jni_ReleaseStringChars, | |
3653 | |
3654 jni_NewStringUTF, | |
3655 jni_GetStringUTFLength, | |
3656 jni_GetStringUTFChars, | |
3657 jni_ReleaseStringUTFChars, | |
3658 | |
3659 jni_GetArrayLength, | |
3660 | |
3661 jni_NewObjectArray, | |
3662 jni_GetObjectArrayElement, | |
3663 jni_SetObjectArrayElement, | |
3664 | |
3665 jni_NewBooleanArray, | |
3666 jni_NewByteArray, | |
3667 jni_NewCharArray, | |
3668 jni_NewShortArray, | |
3669 jni_NewIntArray, | |
3670 jni_NewLongArray, | |
3671 jni_NewFloatArray, | |
3672 jni_NewDoubleArray, | |
3673 | |
3674 jni_GetBooleanArrayElements, | |
3675 jni_GetByteArrayElements, | |
3676 jni_GetCharArrayElements, | |
3677 jni_GetShortArrayElements, | |
3678 jni_GetIntArrayElements, | |
3679 jni_GetLongArrayElements, | |
3680 jni_GetFloatArrayElements, | |
3681 jni_GetDoubleArrayElements, | |
3682 | |
3683 jni_ReleaseBooleanArrayElements, | |
3684 jni_ReleaseByteArrayElements, | |
3685 jni_ReleaseCharArrayElements, | |
3686 jni_ReleaseShortArrayElements, | |
3687 jni_ReleaseIntArrayElements, | |
3688 jni_ReleaseLongArrayElements, | |
3689 jni_ReleaseFloatArrayElements, | |
3690 jni_ReleaseDoubleArrayElements, | |
3691 | |
3692 jni_GetBooleanArrayRegion, | |
3693 jni_GetByteArrayRegion, | |
3694 jni_GetCharArrayRegion, | |
3695 jni_GetShortArrayRegion, | |
3696 jni_GetIntArrayRegion, | |
3697 jni_GetLongArrayRegion, | |
3698 jni_GetFloatArrayRegion, | |
3699 jni_GetDoubleArrayRegion, | |
3700 | |
3701 jni_SetBooleanArrayRegion, | |
3702 jni_SetByteArrayRegion, | |
3703 jni_SetCharArrayRegion, | |
3704 jni_SetShortArrayRegion, | |
3705 jni_SetIntArrayRegion, | |
3706 jni_SetLongArrayRegion, | |
3707 jni_SetFloatArrayRegion, | |
3708 jni_SetDoubleArrayRegion, | |
3709 | |
3710 jni_RegisterNatives, | |
3711 jni_UnregisterNatives, | |
3712 | |
3713 jni_MonitorEnter, | |
3714 jni_MonitorExit, | |
3715 | |
3716 jni_GetJavaVM, | |
3717 | |
3718 jni_GetStringRegion, | |
3719 jni_GetStringUTFRegion, | |
3720 | |
3721 jni_GetPrimitiveArrayCritical, | |
3722 jni_ReleasePrimitiveArrayCritical, | |
3723 | |
3724 jni_GetStringCritical, | |
3725 jni_ReleaseStringCritical, | |
3726 | |
3727 jni_NewWeakGlobalRef, | |
3728 jni_DeleteWeakGlobalRef, | |
3729 | |
3730 jni_ExceptionCheck, | |
3731 | |
3732 jni_NewDirectByteBuffer, | |
3733 jni_GetDirectBufferAddress, | |
3734 jni_GetDirectBufferCapacity, | |
3735 | |
3736 // New 1_6 features | |
3737 | |
3738 jni_GetObjectRefType | |
3739 }; | |
3740 | |
3741 | |
3742 // For jvmti use to modify jni function table. | |
3743 // Java threads in native contiues to run until it is transitioned | |
3744 // to VM at safepoint. Before the transition or before it is blocked | |
3745 // for safepoint it may access jni function table. VM could crash if | |
3746 // any java thread access the jni function table in the middle of memcpy. | |
3747 // To avoid this each function pointers are copied automically. | |
3748 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
3749 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
3750 intptr_t *a = (intptr_t *) jni_functions(); | |
3751 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
3752 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
3753 Atomic::store_ptr(*b++, a++); | |
3754 } | |
3755 } | |
3756 | |
3757 void quicken_jni_functions() { | |
3758 // Replace Get<Primitive>Field with fast versions | |
3759 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
3760 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
3761 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
3762 // windows x86 currently needs SEH wrapper and the gain of the fast | |
3763 // versions currently isn't certain for server vm on uniprocessor. | |
3764 && os::is_MP() | |
3765 #endif | |
3766 ) { | |
3767 address func; | |
3768 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
3769 if (func != (address)-1) { | |
3770 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
3771 } | |
3772 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
3773 if (func != (address)-1) { | |
3774 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
3775 } | |
3776 func = JNI_FastGetField::generate_fast_get_char_field(); | |
3777 if (func != (address)-1) { | |
3778 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
3779 } | |
3780 func = JNI_FastGetField::generate_fast_get_short_field(); | |
3781 if (func != (address)-1) { | |
3782 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
3783 } | |
3784 func = JNI_FastGetField::generate_fast_get_int_field(); | |
3785 if (func != (address)-1) { | |
3786 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
3787 } | |
3788 func = JNI_FastGetField::generate_fast_get_long_field(); | |
3789 if (func != (address)-1) { | |
3790 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
3791 } | |
3792 func = JNI_FastGetField::generate_fast_get_float_field(); | |
3793 if (func != (address)-1) { | |
3794 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
3795 } | |
3796 func = JNI_FastGetField::generate_fast_get_double_field(); | |
3797 if (func != (address)-1) { | |
3798 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
3799 } | |
3800 } | |
3801 } | |
3802 | |
3803 // Returns the function structure | |
3804 struct JNINativeInterface_* jni_functions() { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
3805 #if INCLUDE_JNI_CHECK |
0 | 3806 if (CheckJNICalls) return jni_functions_check(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
3807 #endif // INCLUDE_JNI_CHECK |
0 | 3808 return &jni_NativeInterface; |
3809 } | |
3810 | |
3811 // Returns the function structure | |
3812 struct JNINativeInterface_* jni_functions_nocheck() { | |
3813 return &jni_NativeInterface; | |
3814 } | |
3815 | |
3816 | |
3817 // Invocation API | |
3818 | |
3819 | |
3820 // Forward declaration | |
3821 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
3822 | |
3823 // Global invocation API vars | |
3824 volatile jint vm_created = 0; | |
3825 // Indicate whether it is safe to recreate VM | |
3826 volatile jint safe_to_recreate_vm = 1; | |
3827 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
3828 | |
3829 | |
3830 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
3831 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
3832 | |
4006 | 3833 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint |
3834 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
0 | 3835 |
3836 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
parents:
14179
diff
changeset
|
3837 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY(args_); |
0 | 3838 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
3839 jint ret = JNI_ERR; | |
3840 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
3841 | |
3842 if (Threads::is_supported_jni_version(args->version)) { | |
3843 ret = JNI_OK; | |
3844 } | |
3845 // 1.1 style no longer supported in hotspot. | |
3846 // According the JNI spec, we should update args->version on return. | |
3847 // We also use the structure to communicate with launcher about default | |
3848 // stack size. | |
3849 if (args->version == JNI_VERSION_1_1) { | |
3850 args->version = JNI_VERSION_1_2; | |
3851 // javaStackSize is int in arguments structure | |
3852 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
3853 args->javaStackSize = (jint)(ThreadStackSize * K); | |
3854 } | |
3855 return ret; | |
3856 } | |
3857 | |
3779 | 3858 #ifndef PRODUCT |
3859 | |
10405 | 3860 #include "gc_implementation/shared/gcTimer.hpp" |
4708 | 3861 #include "gc_interface/collectedHeap.hpp" |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
3862 #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
|
3863 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
3864 #endif |
3779 | 3865 #include "utilities/quickSort.hpp" |
12215 | 3866 #include "utilities/ostream.hpp" |
7171 | 3867 #if INCLUDE_VM_STRUCTS |
3868 #include "runtime/vmStructs.hpp" | |
3869 #endif | |
3779 | 3870 |
4708 | 3871 #define run_unit_test(unit_test_function_call) \ |
3872 tty->print_cr("Running test: " #unit_test_function_call); \ | |
3873 unit_test_function_call | |
3874 | |
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
3875 // Forward declaration |
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
3876 void TestReservedSpace_test(); |
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
3877 void TestReserveMemorySpecial_test(); |
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
3878 void TestVirtualSpace_test(); |
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
3879 void TestMetaspaceAux_test(); |
12902 | 3880 void TestMetachunk_test(); |
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
3881 void TestVirtualSpaceNode_test(); |
14359
f7f0c6a77d6d
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
14356
diff
changeset
|
3882 void TestNewSize_test(); |
14492
7f0e0366ec81
8035746: Add missing Klass::oop_is_instanceClassLoader() function
stefank
parents:
14490
diff
changeset
|
3883 void TestKlass_test(); |
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
3884 #if INCLUDE_ALL_GCS |
14490 | 3885 void TestOldFreeSpaceCalculation_test(); |
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
3886 void TestG1BiasedArray_test(); |
14355
937cf56dede6
8033764: Remove the usage of StarTask from BufferingOopClosure
stefank
parents:
14314
diff
changeset
|
3887 void TestBufferingOopClosure_test(); |
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
3888 #endif |
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
3889 |
3779 | 3890 void execute_internal_vm_tests() { |
3891 if (ExecuteInternalVMTests) { | |
4708 | 3892 tty->print_cr("Running internal VM tests"); |
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
3893 run_unit_test(TestReservedSpace_test()); |
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
3894 run_unit_test(TestReserveMemorySpecial_test()); |
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
3895 run_unit_test(TestVirtualSpace_test()); |
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
3896 run_unit_test(TestMetaspaceAux_test()); |
12902 | 3897 run_unit_test(TestMetachunk_test()); |
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
3898 run_unit_test(TestVirtualSpaceNode_test()); |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
3899 run_unit_test(GlobalDefinitions::test_globals()); |
10405 | 3900 run_unit_test(GCTimerAllTest::all()); |
4708 | 3901 run_unit_test(arrayOopDesc::test_max_array_length()); |
3902 run_unit_test(CollectedHeap::test_is_in()); | |
3903 run_unit_test(QuickSort::test_quick_sort()); | |
6162 | 3904 run_unit_test(AltHashing::test_alt_hash()); |
12215 | 3905 run_unit_test(test_loggc_filename()); |
14359
f7f0c6a77d6d
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
14356
diff
changeset
|
3906 run_unit_test(TestNewSize_test()); |
14492
7f0e0366ec81
8035746: Add missing Klass::oop_is_instanceClassLoader() function
stefank
parents:
14490
diff
changeset
|
3907 run_unit_test(TestKlass_test()); |
7171 | 3908 #if INCLUDE_VM_STRUCTS |
3909 run_unit_test(VMStructs::test()); | |
3910 #endif | |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
3911 #if INCLUDE_ALL_GCS |
14490 | 3912 run_unit_test(TestOldFreeSpaceCalculation_test()); |
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
3913 run_unit_test(TestG1BiasedArray_test()); |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
3914 run_unit_test(HeapRegionRemSet::test_prt()); |
14355
937cf56dede6
8033764: Remove the usage of StarTask from BufferingOopClosure
stefank
parents:
14314
diff
changeset
|
3915 run_unit_test(TestBufferingOopClosure_test()); |
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
3916 #endif |
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
3917 tty->print_cr("All internal VM tests passed"); |
3779 | 3918 } |
3919 } | |
3920 | |
4708 | 3921 #undef run_unit_test |
3922 | |
3779 | 3923 #endif |
3924 | |
4006 | 3925 DT_RETURN_MARK_DECL(CreateJavaVM, jint |
3926 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
0 | 3927 |
3928 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
parents:
14179
diff
changeset
|
3929 HOTSPOT_JNI_CREATEJAVAVM_ENTRY((void **) vm, penv, args); |
0 | 3930 |
3931 jint result = JNI_ERR; | |
3932 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
3933 | |
1078 | 3934 // We're about to use Atomic::xchg for synchronization. Some Zero |
3935 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
3936 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
3937 // on all architectures. So we check it works before relying on it. | |
3938 #if defined(ZERO) && defined(ASSERT) | |
3939 { | |
3940 jint a = 0xcafebabe; | |
3941 jint b = Atomic::xchg(0xdeadbeef, &a); | |
3942 void *c = &a; | |
3943 void *d = Atomic::xchg_ptr(&b, &c); | |
1132 | 3944 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
1078 | 3945 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
3946 } | |
3947 #endif // ZERO && ASSERT | |
3948 | |
0 | 3949 // At the moment it's only possible to have one Java VM, |
3950 // since some of the runtime state is in global variables. | |
3951 | |
3952 // We cannot use our mutex locks here, since they only work on | |
3953 // Threads. We do an atomic compare and exchange to ensure only | |
3954 // one thread can call this method at a time | |
3955 | |
3956 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
3957 // the add/dec implementations are dependent on whether we are running | |
3958 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
3959 // function used to determine this will always return false. Atomic::xchg | |
3960 // does not have this problem. | |
3961 if (Atomic::xchg(1, &vm_created) == 1) { | |
11089
f323bbb0e6c1
8019833: Wrong JNI error code for preexisting JVM
coleenp
parents:
11059
diff
changeset
|
3962 return JNI_EEXIST; // already created, or create attempt in progress |
0 | 3963 } |
3964 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
3965 return JNI_ERR; // someone tried and failed and retry not allowed. | |
3966 } | |
3967 | |
3968 assert(vm_created == 1, "vm_created is true during the creation"); | |
3969 | |
3970 /** | |
3971 * Certain errors during initialization are recoverable and do not | |
3972 * prevent this method from being called again at a later time | |
3973 * (perhaps with different arguments). However, at a certain | |
3974 * point during initialization if an error occurs we cannot allow | |
3975 * this function to be called again (or it will crash). In those | |
3976 * situations, the 'canTryAgain' flag is set to false, which atomically | |
3977 * sets safe_to_recreate_vm to 1, such that any new call to | |
3978 * JNI_CreateJavaVM will immediately fail using the above logic. | |
3979 */ | |
3980 bool can_try_again = true; | |
3981 | |
3982 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
3983 if (result == JNI_OK) { | |
3984 JavaThread *thread = JavaThread::current(); | |
14297
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
3985 assert(!thread->has_pending_exception(), "should have returned not OK"); |
0 | 3986 /* thread is thread_in_vm here */ |
3987 *vm = (JavaVM *)(&main_vm); | |
3988 *(JNIEnv**)penv = thread->jni_environment(); | |
3989 | |
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
3990 #ifdef GRAAL |
12356
359f7e70ae7f
Reduce HotSpot diff and fix previous merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12355
diff
changeset
|
3991 // GraalCompiler needs to have been created in compileBroker.cpp |
7126
ce248dc0a656
removed all Graal modifications to ci and c1
Doug Simon <doug.simon@oracle.com>
parents:
7100
diff
changeset
|
3992 GraalCompiler* graal_compiler = GraalCompiler::instance(); |
13174
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
3993 if (graal_compiler != NULL) { |
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
3994 graal_compiler->initialize(); |
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
3995 } else { |
13630
b1838411e896
Use compile ids assigned by hotspot
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13174
diff
changeset
|
3996 assert(!UseCompiler, "why isn't there any compiler?"); |
13174
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
3997 } |
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
3998 #endif |
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
3999 |
0 | 4000 // Tracks the time application was running before GC |
4001 RuntimeService::record_application_start(); | |
4002 | |
4003 // Notify JVMTI | |
4004 if (JvmtiExport::should_post_thread_life()) { | |
4005 JvmtiExport::post_thread_start(thread); | |
4006 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
4007 |
10405 | 4008 EventThreadStart event; |
4009 if (event.should_commit()) { | |
4010 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
4011 event.commit(); | |
4012 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
4013 |
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4014 #ifndef PRODUCT |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4015 #ifndef TARGET_OS_FAMILY_windows |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4016 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f() |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4017 #endif |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4018 |
0 | 4019 // 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
|
4020 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
|
4021 if (ReplayCompiles) ciReplay::replay(thread); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4022 |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4023 // 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
|
4024 // functions in order to properly handle error conditions. |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4025 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4026 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
|
4027 #endif |
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4028 |
0 | 4029 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
4030 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
4031 } else { | |
14297
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4032 // If create_vm exits because of a pending exception, exit with that |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4033 // exception. In the future when we figure out how to reclaim memory, |
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4034 // we may be able to exit with JNI_ERR and allow the calling application |
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4035 // to continue. |
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4036 if (Universe::is_fully_initialized()) { |
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4037 // otherwise no pending exception possible - VM will already have aborted |
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4038 JavaThread* THREAD = JavaThread::current(); |
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4039 if (HAS_PENDING_EXCEPTION) { |
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4040 HandleMark hm; |
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4041 vm_exit_during_initialization(Handle(THREAD, PENDING_EXCEPTION)); |
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4042 } |
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4043 } |
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4044 |
0 | 4045 if (can_try_again) { |
4046 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
4047 safe_to_recreate_vm = 1; | |
4048 } | |
4049 | |
4050 // Creation failed. We must reset vm_created | |
4051 *vm = 0; | |
4052 *(JNIEnv**)penv = 0; | |
4053 // reset vm_created last to avoid race condition. Use OrderAccess to | |
4054 // control both compiler and architectural-based reordering. | |
4055 OrderAccess::release_store(&vm_created, 0); | |
4056 } | |
4057 | |
4058 return result; | |
4059 } | |
4060 | |
4061 | |
4062 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
4063 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
4064 // JNIWrapper("GetCreatedJavaVMs"); | |
14380 | 4065 |
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4066 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY((void **) vm_buf, bufLen, (uintptr_t *) numVMs); |
14380 | 4067 |
0 | 4068 if (vm_created) { |
4069 if (numVMs != NULL) *numVMs = 1; | |
4070 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
4071 } else { | |
4072 if (numVMs != NULL) *numVMs = 0; | |
4073 } | |
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4074 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN(JNI_OK); |
0 | 4075 return JNI_OK; |
4076 } | |
4077 | |
4078 extern "C" { | |
4079 | |
4006 | 4080 DT_RETURN_MARK_DECL(DestroyJavaVM, jint |
4081 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
0 | 4082 |
4083 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
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4084 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY(vm); |
0 | 4085 jint res = JNI_ERR; |
4086 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
4087 | |
4088 if (!vm_created) { | |
4089 res = JNI_ERR; | |
4090 return res; | |
4091 } | |
4092 | |
4093 JNIWrapper("DestroyJavaVM"); | |
4094 JNIEnv *env; | |
4095 JavaVMAttachArgs destroyargs; | |
4096 destroyargs.version = CurrentVersion; | |
4097 destroyargs.name = (char *)"DestroyJavaVM"; | |
4098 destroyargs.group = NULL; | |
4099 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
4100 if (res != JNI_OK) { | |
4101 return res; | |
4102 } | |
4103 | |
4104 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
4105 JavaThread* thread = JavaThread::current(); | |
4106 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
4107 if (Threads::destroy_vm()) { | |
4108 // Should not change thread state, VM is gone | |
4109 vm_created = false; | |
4110 res = JNI_OK; | |
4111 return res; | |
4112 } else { | |
4113 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
4114 res = JNI_ERR; | |
4115 return res; | |
4116 } | |
4117 } | |
4118 | |
4119 | |
4120 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
4121 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
4122 | |
4123 // Check below commented out from JDK1.2fcs as well | |
4124 /* | |
4125 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
4126 return JNI_EVERSION; | |
4127 } | |
4128 */ | |
4129 | |
4130 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
4131 if (t != NULL) { | |
4132 // If the thread has been attached this operation is a no-op | |
4133 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
4134 return JNI_OK; | |
4135 } | |
4136 | |
4137 // Create a thread and mark it as attaching so it will be skipped by the | |
4138 // ThreadsListEnumerator - see CR 6404306 | |
4139 JavaThread* thread = new JavaThread(true); | |
4140 | |
4141 // Set correct safepoint info. The thread is going to call into Java when | |
4142 // initializing the Java level thread object. Hence, the correct state must | |
4143 // be set in order for the Safepoint code to deal with it correctly. | |
4144 thread->set_thread_state(_thread_in_vm); | |
4145 // Must do this before initialize_thread_local_storage | |
4146 thread->record_stack_base_and_size(); | |
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4147 |
0 | 4148 thread->initialize_thread_local_storage(); |
4149 | |
4150 if (!os::create_attached_thread(thread)) { | |
4151 delete thread; | |
4152 return JNI_ERR; | |
4153 } | |
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4154 // Enable stack overflow checks |
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4155 thread->create_stack_guard_pages(); |
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4156 |
0 | 4157 thread->initialize_tlab(); |
4158 | |
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4159 thread->cache_global_variables(); |
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4160 |
0 | 4161 // Crucial that we do not have a safepoint check for this thread, since it has |
4162 // not been added to the Thread list yet. | |
4163 { Threads_lock->lock_without_safepoint_check(); | |
4164 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
4165 // avoid this thread trying to do a GC before it is added to the thread-list | |
4166 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
4167 Threads::add(thread, daemon); | |
4168 Threads_lock->unlock(); | |
4169 } | |
4170 // Create thread group and name info from attach arguments | |
4171 oop group = NULL; | |
4172 char* thread_name = NULL; | |
4173 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
4174 group = JNIHandles::resolve(args->group); | |
4175 thread_name = args->name; // may be NULL | |
4176 } | |
4177 if (group == NULL) group = Universe::main_thread_group(); | |
4178 | |
4179 // Create Java level thread object and attach it to this thread | |
4180 bool attach_failed = false; | |
4181 { | |
4182 EXCEPTION_MARK; | |
4183 HandleMark hm(THREAD); | |
4184 Handle thread_group(THREAD, group); | |
4185 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
4186 if (HAS_PENDING_EXCEPTION) { | |
4187 CLEAR_PENDING_EXCEPTION; | |
4188 // cleanup outside the handle mark. | |
4189 attach_failed = true; | |
4190 } | |
4191 } | |
4192 | |
4193 if (attach_failed) { | |
4194 // Added missing cleanup | |
4195 thread->cleanup_failed_attach_current_thread(); | |
4196 return JNI_ERR; | |
4197 } | |
4198 | |
4199 // mark the thread as no longer attaching | |
4200 // this uses a fence to push the change through so we don't have | |
4201 // to regrab the threads_lock | |
4006 | 4202 thread->set_done_attaching_via_jni(); |
0 | 4203 |
4204 // Set java thread status. | |
4205 java_lang_Thread::set_thread_status(thread->threadObj(), | |
4206 java_lang_Thread::RUNNABLE); | |
4207 | |
4208 // Notify the debugger | |
4209 if (JvmtiExport::should_post_thread_life()) { | |
4210 JvmtiExport::post_thread_start(thread); | |
4211 } | |
4212 | |
10405 | 4213 EventThreadStart event; |
4214 if (event.should_commit()) { | |
4215 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
4216 event.commit(); | |
4217 } | |
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4218 |
0 | 4219 *(JNIEnv**)penv = thread->jni_environment(); |
4220 | |
4221 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
4222 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
4223 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
4224 // needed. | |
4225 | |
4226 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
4227 | |
4228 // Perform any platform dependent FPU setup | |
4229 os::setup_fpu(); | |
4230 | |
4231 return JNI_OK; | |
4232 } | |
4233 | |
4234 | |
4235 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
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4236 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY(vm, penv, _args); |
0 | 4237 if (!vm_created) { |
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4238 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN((uint32_t) JNI_ERR); |
0 | 4239 return JNI_ERR; |
4240 } | |
4241 | |
4242 JNIWrapper("AttachCurrentThread"); | |
4243 jint ret = attach_current_thread(vm, penv, _args, false); | |
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4244 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(ret); |
0 | 4245 return ret; |
4246 } | |
4247 | |
4248 | |
4249 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
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4250 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY(vm); |
0 | 4251 VM_Exit::block_if_vm_exited(); |
4252 | |
4253 JNIWrapper("DetachCurrentThread"); | |
4254 | |
4255 // If the thread has been deattacted the operations is a no-op | |
4256 if (ThreadLocalStorage::thread() == NULL) { | |
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4257 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(JNI_OK); |
0 | 4258 return JNI_OK; |
4259 } | |
4260 | |
4261 JavaThread* thread = JavaThread::current(); | |
4262 if (thread->has_last_Java_frame()) { | |
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4263 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN((uint32_t) JNI_ERR); |
0 | 4264 // Can't detach a thread that's running java, that can't work. |
4265 return JNI_ERR; | |
4266 } | |
4267 | |
4268 // Safepoint support. Have to do call-back to safepoint code, if in the | |
4269 // middel of a safepoint operation | |
4270 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
4271 | |
4272 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
4273 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
4274 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
4275 // of the guards is visible in jni_AttachCurrentThread above, | |
4276 // the removal of the guards is buried below in JavaThread::exit() | |
4277 // here. The abstraction should be more symmetrically either exposed | |
4278 // or hidden (e.g. it could probably be hidden in the same | |
4279 // (platform-dependent) methods where we do alternate stack | |
4280 // maintenance work?) | |
4281 thread->exit(false, JavaThread::jni_detach); | |
4282 delete thread; | |
4283 | |
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4284 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(JNI_OK); |
0 | 4285 return JNI_OK; |
4286 } | |
4287 | |
4006 | 4288 DT_RETURN_MARK_DECL(GetEnv, jint |
4289 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
0 | 4290 |
4291 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
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4292 HOTSPOT_JNI_GETENV_ENTRY(vm, penv, version); |
0 | 4293 jint ret = JNI_ERR; |
4294 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
4295 | |
4296 if (!vm_created) { | |
4297 *penv = NULL; | |
4298 ret = JNI_EDETACHED; | |
4299 return ret; | |
4300 } | |
4301 | |
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4302 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
0 | 4303 return ret; |
4304 } | |
4305 | |
4306 #ifndef JVMPI_VERSION_1 | |
4307 // need these in order to be polite about older agents | |
4308 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
4309 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
4310 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
4311 #endif // !JVMPI_VERSION_1 | |
4312 | |
4313 Thread* thread = ThreadLocalStorage::thread(); | |
4314 if (thread != NULL && thread->is_Java_thread()) { | |
4315 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
4316 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
4317 ret = JNI_OK; | |
4318 return ret; | |
4319 | |
4320 } else if (version == JVMPI_VERSION_1 || | |
4321 version == JVMPI_VERSION_1_1 || | |
4322 version == JVMPI_VERSION_1_2) { | |
4323 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
4324 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
4325 ret = JNI_EVERSION; | |
4326 return ret; | |
4327 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
4328 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
4329 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
4330 ret = JNI_EVERSION; | |
4331 return ret; | |
4332 } else { | |
4333 *penv = NULL; | |
4334 ret = JNI_EVERSION; | |
4335 return ret; | |
4336 } | |
4337 } else { | |
4338 *penv = NULL; | |
4339 ret = JNI_EDETACHED; | |
4340 return ret; | |
4341 } | |
4342 } | |
4343 | |
4344 | |
4345 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
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4346 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY(vm, penv, _args); |
0 | 4347 if (!vm_created) { |
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4348 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN((uint32_t) JNI_ERR); |
0 | 4349 return JNI_ERR; |
4350 } | |
4351 | |
4352 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
4353 jint ret = attach_current_thread(vm, penv, _args, true); | |
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4354 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(ret); |
0 | 4355 return ret; |
4356 } | |
4357 | |
4358 | |
4359 } // End extern "C" | |
4360 | |
4361 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
4362 NULL, | |
4363 NULL, | |
4364 NULL, | |
4365 | |
4366 jni_DestroyJavaVM, | |
4367 jni_AttachCurrentThread, | |
4368 jni_DetachCurrentThread, | |
4369 jni_GetEnv, | |
4370 jni_AttachCurrentThreadAsDaemon | |
4371 }; |