Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 5747:120820e30baa
added basic high-level interpreter support to HotSpot
| author | Christian Haeubl <haeubl@ssw.jku.at> |
|---|---|
| date | Tue, 03 Jul 2012 16:56:40 +0200 |
| parents | 33df1aeaebbf |
| children | 957c266d8bc5 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/classLoader.hpp" | |
| 27 #include "classfile/javaClasses.hpp" | |
| 28 #include "classfile/symbolTable.hpp" | |
| 29 #include "classfile/systemDictionary.hpp" | |
| 30 #include "classfile/vmSymbols.hpp" | |
| 31 #include "interpreter/linkResolver.hpp" | |
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32 #ifdef GRAAL |
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33 #include "graal/graalCompiler.hpp" |
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34 #endif |
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35 #ifdef HIGH_LEVEL_INTERPRETER |
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36 #include "graal/graalVMToInterpreter.hpp" |
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37 #endif |
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38 #ifndef SERIALGC |
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39 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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40 #endif // SERIALGC |
| 1972 | 41 #include "memory/allocation.inline.hpp" |
| 42 #include "memory/gcLocker.inline.hpp" | |
| 43 #include "memory/oopFactory.hpp" | |
| 44 #include "memory/universe.inline.hpp" | |
| 45 #include "oops/instanceKlass.hpp" | |
| 46 #include "oops/instanceOop.hpp" | |
| 47 #include "oops/markOop.hpp" | |
| 48 #include "oops/methodOop.hpp" | |
| 49 #include "oops/objArrayKlass.hpp" | |
| 50 #include "oops/objArrayOop.hpp" | |
| 51 #include "oops/oop.inline.hpp" | |
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52 #include "oops/symbol.hpp" |
| 1972 | 53 #include "oops/typeArrayKlass.hpp" |
| 54 #include "oops/typeArrayOop.hpp" | |
| 55 #include "prims/jni.h" | |
| 56 #include "prims/jniCheck.hpp" | |
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57 #include "prims/jniExport.hpp" |
| 1972 | 58 #include "prims/jniFastGetField.hpp" |
| 59 #include "prims/jvm.h" | |
| 60 #include "prims/jvm_misc.hpp" | |
| 61 #include "prims/jvmtiExport.hpp" | |
| 62 #include "prims/jvmtiThreadState.hpp" | |
| 63 #include "runtime/compilationPolicy.hpp" | |
| 64 #include "runtime/fieldDescriptor.hpp" | |
| 65 #include "runtime/fprofiler.hpp" | |
| 66 #include "runtime/handles.inline.hpp" | |
| 67 #include "runtime/interfaceSupport.hpp" | |
| 68 #include "runtime/java.hpp" | |
| 69 #include "runtime/javaCalls.hpp" | |
| 70 #include "runtime/jfieldIDWorkaround.hpp" | |
| 71 #include "runtime/reflection.hpp" | |
| 72 #include "runtime/sharedRuntime.hpp" | |
| 73 #include "runtime/signature.hpp" | |
| 74 #include "runtime/vm_operations.hpp" | |
| 75 #include "services/runtimeService.hpp" | |
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76 #include "trace/tracing.hpp" |
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77 #include "trace/traceEventTypes.hpp" |
| 1972 | 78 #include "utilities/defaultStream.hpp" |
| 79 #include "utilities/dtrace.hpp" | |
| 80 #include "utilities/events.hpp" | |
| 81 #include "utilities/histogram.hpp" | |
| 82 #ifdef TARGET_OS_FAMILY_linux | |
| 83 # include "os_linux.inline.hpp" | |
| 84 # include "thread_linux.inline.hpp" | |
| 85 #endif | |
| 86 #ifdef TARGET_OS_FAMILY_solaris | |
| 87 # include "os_solaris.inline.hpp" | |
| 88 # include "thread_solaris.inline.hpp" | |
| 89 #endif | |
| 90 #ifdef TARGET_OS_FAMILY_windows | |
| 91 # include "os_windows.inline.hpp" | |
| 92 # include "thread_windows.inline.hpp" | |
| 93 #endif | |
| 3960 | 94 #ifdef TARGET_OS_FAMILY_bsd |
| 95 # include "os_bsd.inline.hpp" | |
| 96 # include "thread_bsd.inline.hpp" | |
| 97 #endif | |
| 0 | 98 |
| 99 static jint CurrentVersion = JNI_VERSION_1_6; | |
| 100 | |
| 101 | |
| 102 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 103 // '-return' probe regardless of the return path is taken out of the function. | |
| 104 // Methods that have multiple return paths use this to avoid having to | |
| 105 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 106 // since those macros can cause an immedate uninstrumented return. | |
| 107 // | |
| 108 // In order to get the return value, a reference to the variable containing | |
| 109 // the return value must be passed to the contructor of the object, and | |
| 110 // the return value must be set before return (since the mark object has | |
| 111 // a reference to it). | |
| 112 // | |
| 113 // Example: | |
| 114 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 115 // JNI_ENTRY(int, SomeFunc, ...) | |
| 116 // int return_value = 0; | |
| 117 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 118 // foo(CHECK_0) | |
| 119 // return_value = 5; | |
| 120 // return return_value; | |
| 121 // JNI_END | |
| 4006 | 122 #ifndef USDT2 |
| 0 | 123 #define DT_RETURN_MARK_DECL(name, type) \ |
| 124 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 125 DTRACE_ONLY( \ | |
| 126 class DTraceReturnProbeMark_##name { \ | |
| 127 public: \ | |
| 128 const type& _ret_ref; \ | |
| 129 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 130 ~DTraceReturnProbeMark_##name() { \ | |
| 131 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 132 } \ | |
| 133 } \ | |
| 134 ) | |
| 135 // Void functions are simpler since there's no return value | |
| 136 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 137 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 138 DTRACE_ONLY( \ | |
| 139 class DTraceReturnProbeMark_##name { \ | |
| 140 public: \ | |
| 141 ~DTraceReturnProbeMark_##name() { \ | |
| 142 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 143 } \ | |
| 144 } \ | |
| 145 ) | |
| 146 | |
| 4006 | 147 #else /* USDT2 */ |
| 148 | |
| 149 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 150 DTRACE_ONLY( \ | |
| 151 class DTraceReturnProbeMark_##name { \ | |
| 152 public: \ | |
| 153 const type& _ret_ref; \ | |
| 154 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 155 ~DTraceReturnProbeMark_##name() { \ | |
| 156 probe; \ | |
| 157 } \ | |
| 158 } \ | |
| 159 ) | |
| 160 // Void functions are simpler since there's no return value | |
| 161 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 162 DTRACE_ONLY( \ | |
| 163 class DTraceReturnProbeMark_##name { \ | |
| 164 public: \ | |
| 165 ~DTraceReturnProbeMark_##name() { \ | |
| 166 probe; \ | |
| 167 } \ | |
| 168 } \ | |
| 169 ) | |
| 170 #endif /* USDT2 */ | |
| 0 | 171 |
| 172 // Place these macros in the function to mark the return. Non-void | |
| 173 // functions need the type and address of the return value. | |
| 174 #define DT_RETURN_MARK(name, type, ref) \ | |
| 175 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 176 #define DT_VOID_RETURN_MARK(name) \ | |
| 177 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 178 | |
| 179 | |
| 180 // Use these to select distinct code for floating-point vs. non-floating point | |
| 181 // situations. Used from within common macros where we need slightly | |
| 182 // different behavior for Float/Double | |
| 183 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 184 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 185 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 186 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 187 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 188 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 189 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 190 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 191 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 192 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 193 FP_SELECT_##TypeName(intcode, fpcode) | |
| 194 | |
| 195 #define COMMA , | |
| 196 | |
| 197 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 198 // (dtrace doesn't do FP yet) | |
| 4006 | 199 #ifndef USDT2 |
| 0 | 200 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 201 FP_SELECT(TypeName, \ | |
| 202 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 203 #else /* USDT2 */ |
| 204 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 205 FP_SELECT(TypeName, \ | |
| 206 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 207 #endif /* USDT2 */ | |
| 0 | 208 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 209 FP_SELECT(TypeName, \ | |
| 210 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 211 | |
| 212 | |
| 213 // out-of-line helpers for class jfieldIDWorkaround: | |
| 214 | |
| 215 bool jfieldIDWorkaround::is_valid_jfieldID(klassOop k, jfieldID id) { | |
| 216 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { | |
| 217 uintptr_t as_uint = (uintptr_t) id; | |
| 218 intptr_t offset = raw_instance_offset(id); | |
| 219 if (is_checked_jfieldID(id)) { | |
| 220 if (!klass_hash_ok(k, id)) { | |
| 221 return false; | |
| 222 } | |
| 223 } | |
| 224 return instanceKlass::cast(k)->contains_field_offset(offset); | |
| 225 } else { | |
| 226 JNIid* result = (JNIid*) id; | |
| 227 #ifdef ASSERT | |
| 228 return result != NULL && result->is_static_field_id(); | |
| 229 #else | |
| 230 return result != NULL; | |
| 231 #endif | |
| 232 } | |
| 233 } | |
| 234 | |
| 235 | |
| 236 intptr_t jfieldIDWorkaround::encode_klass_hash(klassOop k, intptr_t offset) { | |
| 237 if (offset <= small_offset_mask) { | |
| 238 klassOop field_klass = k; | |
| 239 klassOop super_klass = Klass::cast(field_klass)->super(); | |
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240 // With compressed oops the most super class with nonstatic fields would |
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241 // be the owner of fields embedded in the header. |
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242 while (instanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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243 instanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 244 field_klass = super_klass; // super contains the field also |
| 245 super_klass = Klass::cast(field_klass)->super(); | |
| 246 } | |
| 247 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 248 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 249 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 250 } else { | |
| 251 #if 0 | |
| 252 #ifndef PRODUCT | |
| 253 { | |
| 254 ResourceMark rm; | |
| 255 warning("VerifyJNIFields: long offset %d in %s", offset, Klass::cast(k)->external_name()); | |
| 256 } | |
| 257 #endif | |
| 258 #endif | |
| 259 return 0; | |
| 260 } | |
| 261 } | |
| 262 | |
| 263 bool jfieldIDWorkaround::klass_hash_ok(klassOop k, jfieldID id) { | |
| 264 uintptr_t as_uint = (uintptr_t) id; | |
| 265 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 266 do { | |
| 267 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 268 // Could use a non-blocking query for identity_hash here... | |
| 269 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 270 return true; | |
| 271 k = Klass::cast(k)->super(); | |
| 272 } while (k != NULL); | |
| 273 return false; | |
| 274 } | |
| 275 | |
| 276 void jfieldIDWorkaround::verify_instance_jfieldID(klassOop k, jfieldID id) { | |
| 277 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); | |
| 278 uintptr_t as_uint = (uintptr_t) id; | |
| 279 intptr_t offset = raw_instance_offset(id); | |
| 280 if (VerifyJNIFields) { | |
| 281 if (is_checked_jfieldID(id)) { | |
| 282 guarantee(klass_hash_ok(k, id), | |
| 283 "Bug in native code: jfieldID class must match object"); | |
| 284 } else { | |
| 285 #if 0 | |
| 286 #ifndef PRODUCT | |
| 287 if (Verbose) { | |
| 288 ResourceMark rm; | |
| 289 warning("VerifyJNIFields: unverified offset %d for %s", offset, Klass::cast(k)->external_name()); | |
| 290 } | |
| 291 #endif | |
| 292 #endif | |
| 293 } | |
| 294 } | |
| 295 guarantee(instanceKlass::cast(k)->contains_field_offset(offset), | |
| 296 "Bug in native code: jfieldID offset must address interior of object"); | |
| 297 } | |
| 298 | |
| 299 // Pick a reasonable higher bound for local capacity requested | |
| 300 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 301 // high because a test (or very unusual application) may try to allocate | |
| 302 // that many handles and run out of swap space. An implementation is | |
| 303 // permitted to allocate more handles than the ensured capacity, so this | |
| 304 // value is set high enough to prevent compatibility problems. | |
| 305 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 306 | |
| 307 | |
| 308 // Wrapper to trace JNI functions | |
| 309 | |
| 310 #ifdef ASSERT | |
| 311 Histogram* JNIHistogram; | |
| 312 static volatile jint JNIHistogram_lock = 0; | |
| 313 | |
| 314 class JNITraceWrapper : public StackObj { | |
| 315 public: | |
| 316 JNITraceWrapper(const char* format, ...) { | |
| 317 if (TraceJNICalls) { | |
| 318 va_list ap; | |
| 319 va_start(ap, format); | |
| 320 tty->print("JNI "); | |
| 321 tty->vprint_cr(format, ap); | |
| 322 va_end(ap); | |
| 323 } | |
| 324 } | |
| 325 }; | |
| 326 | |
| 327 class JNIHistogramElement : public HistogramElement { | |
| 328 public: | |
| 329 JNIHistogramElement(const char* name); | |
| 330 }; | |
| 331 | |
| 332 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 333 _name = elementName; | |
| 334 uintx count = 0; | |
| 335 | |
| 336 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 337 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 338 count +=1; | |
| 339 if ( (WarnOnStalledSpinLock > 0) | |
| 340 && (count % WarnOnStalledSpinLock == 0)) { | |
| 341 warning("JNIHistogram_lock seems to be stalled"); | |
| 342 } | |
| 343 } | |
| 344 } | |
| 345 | |
| 346 | |
| 347 if(JNIHistogram == NULL) | |
| 348 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 349 | |
| 350 JNIHistogram->add_element(this); | |
| 351 Atomic::dec(&JNIHistogram_lock); | |
| 352 } | |
| 353 | |
| 354 #define JNICountWrapper(arg) \ | |
| 355 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 356 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 357 if (e != NULL) e->increment_count() | |
| 358 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 359 #else | |
| 360 #define JNIWrapper(arg) | |
| 361 #endif | |
| 362 | |
| 363 | |
| 364 // Implementation of JNI entries | |
| 365 | |
| 4006 | 366 #ifndef USDT2 |
| 0 | 367 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 368 #else /* USDT2 */ |
| 369 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 370 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 371 #endif /* USDT2 */ | |
| 0 | 372 |
| 373 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 374 const jbyte *buf, jsize bufLen)) | |
| 375 JNIWrapper("DefineClass"); | |
| 376 | |
| 4006 | 377 #ifndef USDT2 |
| 0 | 378 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 379 env, name, loaderRef, buf, bufLen); | |
| 4006 | 380 #else /* USDT2 */ |
| 381 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 382 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 383 #endif /* USDT2 */ | |
| 0 | 384 jclass cls = NULL; |
| 385 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 386 | |
| 387 // Since exceptions can be thrown, class initialization can take place | |
| 388 // if name is NULL no check for class name in .class stream has to be made. | |
| 389 if (name != NULL) { | |
| 390 const int str_len = (int)strlen(name); | |
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391 if (str_len > Symbol::max_length()) { |
| 0 | 392 // It's impossible to create this class; the name cannot fit |
| 393 // into the constant pool. | |
| 394 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 395 } | |
| 396 } | |
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397 TempNewSymbol class_name = SymbolTable::new_symbol(name, THREAD); |
| 0 | 398 |
| 399 ResourceMark rm(THREAD); | |
| 400 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 401 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 402 | |
| 403 if (UsePerfData && !class_loader.is_null()) { | |
| 404 // check whether the current caller thread holds the lock or not. | |
| 405 // If not, increment the corresponding counter | |
| 406 if (ObjectSynchronizer:: | |
| 407 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 408 ObjectSynchronizer::owner_self) { | |
| 409 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 410 } | |
| 411 } | |
| 412 klassOop k = SystemDictionary::resolve_from_stream(class_name, class_loader, | |
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413 Handle(), &st, true, |
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414 CHECK_NULL); |
| 0 | 415 |
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416 if (TraceClassResolution && k != NULL) { |
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417 trace_class_resolution(k); |
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418 } |
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419 |
| 0 | 420 cls = (jclass)JNIHandles::make_local( |
| 421 env, Klass::cast(k)->java_mirror()); | |
| 422 return cls; | |
| 423 JNI_END | |
| 424 | |
| 425 | |
| 426 | |
| 427 static bool first_time_FindClass = true; | |
| 428 | |
| 4006 | 429 #ifndef USDT2 |
| 0 | 430 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 431 #else /* USDT2 */ |
| 432 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 433 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 434 #endif /* USDT2 */ | |
| 0 | 435 |
| 436 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 437 JNIWrapper("FindClass"); | |
| 4006 | 438 #ifndef USDT2 |
| 0 | 439 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 440 #else /* USDT2 */ |
| 441 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 442 env, (char *)name); | |
| 443 #endif /* USDT2 */ | |
| 0 | 444 |
| 445 jclass result = NULL; | |
| 446 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 447 | |
| 448 // Remember if we are the first invocation of jni_FindClass | |
| 449 bool first_time = first_time_FindClass; | |
| 450 first_time_FindClass = false; | |
| 451 | |
| 452 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 453 // name we can fit in the constant pool. | |
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454 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 455 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 456 } | |
| 457 | |
| 458 //%note jni_3 | |
| 459 Handle loader; | |
| 460 Handle protection_domain; | |
| 461 // Find calling class | |
| 462 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 463 if (k.not_null()) { | |
| 464 loader = Handle(THREAD, k->class_loader()); | |
| 465 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 466 // in the correct class context. | |
| 467 if (loader.is_null() && | |
| 468 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 469 JavaValue result(T_OBJECT); | |
| 470 JavaCalls::call_static(&result, k, | |
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471 vmSymbols::getFromClass_name(), |
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472 vmSymbols::void_class_signature(), |
| 0 | 473 thread); |
| 474 if (HAS_PENDING_EXCEPTION) { | |
| 475 Handle ex(thread, thread->pending_exception()); | |
| 476 CLEAR_PENDING_EXCEPTION; | |
| 477 THROW_HANDLE_0(ex); | |
| 478 } | |
| 479 oop mirror = (oop) result.get_jobject(); | |
| 480 loader = Handle(THREAD, | |
| 481 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->class_loader()); | |
| 482 protection_domain = Handle(THREAD, | |
| 483 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->protection_domain()); | |
| 484 } | |
| 485 } else { | |
| 486 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 487 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 488 } | |
| 489 | |
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490 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 491 result = find_class_from_class_loader(env, sym, true, loader, |
| 492 protection_domain, true, thread); | |
| 493 | |
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494 if (TraceClassResolution && result != NULL) { |
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495 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
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496 } |
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497 |
| 0 | 498 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 499 // rather than just allowing invocation counter to overflow and decay. | |
| 500 // Controlled by flag DelayCompilationDuringStartup. | |
| 501 if (first_time && !CompileTheWorld) | |
| 502 CompilationPolicy::completed_vm_startup(); | |
| 503 | |
| 504 return result; | |
| 505 JNI_END | |
| 506 | |
| 4006 | 507 #ifndef USDT2 |
| 0 | 508 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 509 #else /* USDT2 */ |
| 510 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 511 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 512 #endif /* USDT2 */ | |
| 0 | 513 |
| 514 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 515 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 516 #ifndef USDT2 |
| 0 | 517 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 518 #else /* USDT2 */ |
| 519 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 520 env, method); | |
| 521 #endif /* USDT2 */ | |
| 0 | 522 jmethodID ret = NULL; |
| 523 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 524 | |
| 525 // method is a handle to a java.lang.reflect.Method object | |
| 526 oop reflected = JNIHandles::resolve_non_null(method); | |
| 527 oop mirror = NULL; | |
| 528 int slot = 0; | |
| 529 | |
| 1142 | 530 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 531 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 532 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 533 } else { | |
| 1142 | 534 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 535 mirror = java_lang_reflect_Method::clazz(reflected); |
| 536 slot = java_lang_reflect_Method::slot(reflected); | |
| 537 } | |
| 538 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 539 | |
| 540 KlassHandle k1(THREAD, k); | |
| 541 // Make sure class is initialized before handing id's out to methods | |
| 542 Klass::cast(k1())->initialize(CHECK_NULL); | |
| 543 methodOop m = instanceKlass::cast(k1())->method_with_idnum(slot); | |
| 544 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted | |
| 545 return ret; | |
| 546 JNI_END | |
| 547 | |
| 4006 | 548 #ifndef USDT2 |
| 0 | 549 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 550 #else /* USDT2 */ |
| 551 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 552 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 553 #endif /* USDT2 */ | |
| 0 | 554 |
| 555 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 556 JNIWrapper("FromReflectedField"); | |
| 4006 | 557 #ifndef USDT2 |
| 0 | 558 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 559 #else /* USDT2 */ |
| 560 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 561 env, field); | |
| 562 #endif /* USDT2 */ | |
| 0 | 563 jfieldID ret = NULL; |
| 564 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 565 | |
| 566 // field is a handle to a java.lang.reflect.Field object | |
| 567 oop reflected = JNIHandles::resolve_non_null(field); | |
| 568 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
| 569 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 570 int slot = java_lang_reflect_Field::slot(reflected); | |
| 571 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 572 | |
| 573 KlassHandle k1(THREAD, k); | |
| 574 // Make sure class is initialized before handing id's out to fields | |
| 575 Klass::cast(k1())->initialize(CHECK_NULL); | |
| 576 | |
| 577 // First check if this is a static field | |
| 578 if (modifiers & JVM_ACC_STATIC) { | |
| 3938 | 579 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
| 0 | 580 JNIid* id = instanceKlass::cast(k1())->jni_id_for(offset); |
| 581 assert(id != NULL, "corrupt Field object"); | |
| 582 debug_only(id->set_is_static_field_id();) | |
| 583 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
| 584 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 585 return ret; | |
| 586 } | |
| 587 | |
| 588 // The slot is the index of the field description in the field-array | |
| 589 // The jfieldID is the offset of the field within the object | |
| 590 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 3938 | 591 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
| 0 | 592 assert(instanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 593 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); | |
| 594 return ret; | |
| 595 JNI_END | |
| 596 | |
| 4006 | 597 #ifndef USDT2 |
| 0 | 598 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 599 #else /* USDT2 */ |
| 600 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 601 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 602 #endif /* USDT2 */ | |
| 0 | 603 |
| 604 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 605 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 606 #ifndef USDT2 |
| 0 | 607 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 608 #else /* USDT2 */ |
| 609 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 610 env, cls, (uintptr_t) method_id, isStatic); | |
| 611 #endif /* USDT2 */ | |
| 0 | 612 jobject ret = NULL; |
| 613 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 614 | |
| 615 methodHandle m (THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
| 616 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); | |
| 617 oop reflection_method; | |
| 618 if (m->is_initializer()) { | |
| 619 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 620 } else { | |
| 621 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 622 } | |
| 623 ret = JNIHandles::make_local(env, reflection_method); | |
| 624 return ret; | |
| 625 JNI_END | |
| 626 | |
| 4006 | 627 #ifndef USDT2 |
| 0 | 628 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 629 #else /* USDT2 */ |
| 630 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 631 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 632 #endif /* USDT2 */ | |
| 0 | 633 |
| 634 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 635 JNIWrapper("GetSuperclass"); | |
| 4006 | 636 #ifndef USDT2 |
| 0 | 637 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 638 #else /* USDT2 */ |
| 639 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 640 env, sub); | |
| 641 #endif /* USDT2 */ | |
| 0 | 642 jclass obj = NULL; |
| 643 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 644 | |
| 645 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 646 // primitive classes return NULL | |
| 647 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 648 | |
| 649 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 650 // arrays return Object | |
| 651 // interfaces return NULL | |
| 652 // proper classes return Klass::super() | |
| 653 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 654 if (Klass::cast(k)->is_interface()) return NULL; | |
| 655 | |
| 656 // return mirror for superclass | |
| 657 klassOop super = Klass::cast(k)->java_super(); | |
| 658 // super2 is the value computed by the compiler's getSuperClass intrinsic: | |
| 659 debug_only(klassOop super2 = ( Klass::cast(k)->oop_is_javaArray() | |
| 1142 | 660 ? SystemDictionary::Object_klass() |
| 0 | 661 : Klass::cast(k)->super() ) ); |
| 662 assert(super == super2, | |
| 663 "java_super computation depends on interface, array, other super"); | |
| 664 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(Klass::cast(super)->java_mirror()); | |
| 665 return obj; | |
| 666 JNI_END | |
| 667 | |
| 668 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 669 JNIWrapper("IsSubclassOf"); | |
| 4006 | 670 #ifndef USDT2 |
| 0 | 671 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 672 #else /* USDT2 */ |
| 673 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 674 env, sub, super); | |
| 675 #endif /* USDT2 */ | |
| 0 | 676 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 677 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 678 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 679 java_lang_Class::is_primitive(super_mirror)) { | |
| 680 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 681 #ifndef USDT2 |
| 0 | 682 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 683 #else /* USDT2 */ |
| 684 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 685 ret); | |
| 686 #endif /* USDT2 */ | |
| 0 | 687 return ret; |
| 688 } | |
| 689 klassOop sub_klass = java_lang_Class::as_klassOop(sub_mirror); | |
| 690 klassOop super_klass = java_lang_Class::as_klassOop(super_mirror); | |
| 691 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); | |
| 692 jboolean ret = Klass::cast(sub_klass)->is_subtype_of(super_klass) ? | |
| 693 JNI_TRUE : JNI_FALSE; | |
| 4006 | 694 #ifndef USDT2 |
| 0 | 695 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 696 #else /* USDT2 */ |
| 697 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 698 ret); | |
| 699 #endif /* USDT2 */ | |
| 0 | 700 return ret; |
| 701 JNI_END | |
| 702 | |
| 4006 | 703 #ifndef USDT2 |
| 0 | 704 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 705 #else /* USDT2 */ |
| 706 DT_RETURN_MARK_DECL(Throw, jint | |
| 707 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 708 #endif /* USDT2 */ | |
| 0 | 709 |
| 710 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 711 JNIWrapper("Throw"); | |
| 4006 | 712 #ifndef USDT2 |
| 0 | 713 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 714 #else /* USDT2 */ |
| 715 HOTSPOT_JNI_THROW_ENTRY( | |
| 716 env, obj); | |
| 717 #endif /* USDT2 */ | |
| 0 | 718 jint ret = JNI_OK; |
| 719 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 720 | |
| 721 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 722 ShouldNotReachHere(); | |
| 723 JNI_END | |
| 724 | |
| 4006 | 725 #ifndef USDT2 |
| 0 | 726 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 727 #else /* USDT2 */ |
| 728 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 729 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 730 #endif /* USDT2 */ | |
| 0 | 731 |
| 732 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 733 JNIWrapper("ThrowNew"); | |
| 4006 | 734 #ifndef USDT2 |
| 0 | 735 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 736 #else /* USDT2 */ |
| 737 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 738 env, clazz, (char *) message); | |
| 739 #endif /* USDT2 */ | |
| 0 | 740 jint ret = JNI_OK; |
| 741 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 742 | |
| 743 instanceKlass* k = instanceKlass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
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744 Symbol* name = k->name(); |
| 0 | 745 Handle class_loader (THREAD, k->class_loader()); |
| 746 Handle protection_domain (THREAD, k->protection_domain()); | |
| 747 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 748 ShouldNotReachHere(); | |
| 749 JNI_END | |
| 750 | |
| 751 | |
| 752 // JNI functions only transform a pending async exception to a synchronous | |
| 753 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 754 // delivering an async exception in other places won't change the native | |
| 755 // code's control flow and would be harmful when native code further calls | |
| 756 // JNI functions with a pending exception. Async exception is also checked | |
| 757 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 758 // false but deliver the async exception at the very end during | |
| 759 // state transition. | |
| 760 | |
| 761 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 762 assert(thread == Thread::current(), "must be itself"); | |
| 763 thread->check_and_handle_async_exceptions(); | |
| 764 } | |
| 765 | |
| 766 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 767 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 768 #ifndef USDT2 |
| 0 | 769 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 770 #else /* USDT2 */ |
| 771 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 772 env); | |
| 773 #endif /* USDT2 */ | |
| 0 | 774 jni_check_async_exceptions(thread); |
| 775 oop exception = thread->pending_exception(); | |
| 776 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 777 #ifndef USDT2 |
| 0 | 778 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 779 #else /* USDT2 */ |
| 780 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 781 ret); | |
| 782 #endif /* USDT2 */ | |
| 0 | 783 return ret; |
| 784 JNI_END | |
| 785 | |
| 786 | |
| 787 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 788 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 789 #ifndef USDT2 |
| 0 | 790 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 791 #else /* USDT2 */ |
| 792 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 793 env); | |
| 794 #endif /* USDT2 */ | |
| 0 | 795 if (thread->has_pending_exception()) { |
| 796 Handle ex(thread, thread->pending_exception()); | |
| 797 thread->clear_pending_exception(); | |
| 1142 | 798 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 799 // Don't print anything if we are being killed. |
| 800 } else { | |
| 801 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 802 if (thread != NULL && thread->threadObj() != NULL) { | |
| 803 ResourceMark rm(THREAD); | |
| 804 jio_fprintf(defaultStream::error_stream(), | |
| 805 "in thread \"%s\" ", thread->get_thread_name()); | |
| 806 } | |
| 1142 | 807 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 808 JavaValue result(T_VOID); |
| 809 JavaCalls::call_virtual(&result, | |
| 810 ex, | |
| 811 KlassHandle(THREAD, | |
| 1142 | 812 SystemDictionary::Throwable_klass()), |
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813 vmSymbols::printStackTrace_name(), |
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814 vmSymbols::void_method_signature(), |
| 0 | 815 THREAD); |
| 816 // If an exception is thrown in the call it gets thrown away. Not much | |
| 817 // we can do with it. The native code that calls this, does not check | |
| 818 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 819 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 820 // is expected. | |
| 821 CLEAR_PENDING_EXCEPTION; | |
| 822 } else { | |
| 823 ResourceMark rm(THREAD); | |
| 824 jio_fprintf(defaultStream::error_stream(), | |
| 825 ". Uncaught exception of type %s.", | |
| 826 Klass::cast(ex->klass())->external_name()); | |
| 827 } | |
| 828 } | |
| 829 } | |
| 4006 | 830 #ifndef USDT2 |
| 0 | 831 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 832 #else /* USDT2 */ |
| 833 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 834 ); | |
| 835 #endif /* USDT2 */ | |
| 0 | 836 JNI_END |
| 837 | |
| 838 | |
| 839 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 840 JNIWrapper("ExceptionClear"); | |
| 4006 | 841 #ifndef USDT2 |
| 0 | 842 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 843 #else /* USDT2 */ |
| 844 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 845 env); | |
| 846 #endif /* USDT2 */ | |
| 0 | 847 |
| 848 // The jni code might be using this API to clear java thrown exception. | |
| 849 // So just mark jvmti thread exception state as exception caught. | |
| 850 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 851 if (state != NULL && state->is_exception_detected()) { | |
| 852 state->set_exception_caught(); | |
| 853 } | |
| 854 thread->clear_pending_exception(); | |
| 4006 | 855 #ifndef USDT2 |
| 0 | 856 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 857 #else /* USDT2 */ |
| 858 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 859 ); | |
| 860 #endif /* USDT2 */ | |
| 0 | 861 JNI_END |
| 862 | |
| 863 | |
| 864 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 865 JNIWrapper("FatalError"); | |
| 4006 | 866 #ifndef USDT2 |
| 0 | 867 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 868 #else /* USDT2 */ |
| 869 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 870 env, (char *) msg); | |
| 871 #endif /* USDT2 */ | |
| 0 | 872 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 873 thread->print_stack(); | |
|
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874 os::abort(); // Dump core and abort |
| 0 | 875 JNI_END |
| 876 | |
| 877 | |
| 878 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 879 JNIWrapper("PushLocalFrame"); | |
| 4006 | 880 #ifndef USDT2 |
| 0 | 881 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 882 #else /* USDT2 */ |
| 883 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 884 env, capacity); | |
| 885 #endif /* USDT2 */ | |
| 0 | 886 //%note jni_11 |
| 887 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 4006 | 888 #ifndef USDT2 |
| 0 | 889 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 890 #else /* USDT2 */ |
| 891 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 892 (uint32_t)JNI_ERR); | |
| 893 #endif /* USDT2 */ | |
| 0 | 894 return JNI_ERR; |
| 895 } | |
| 896 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 897 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 898 assert(new_handles != NULL, "should not be NULL"); | |
| 899 new_handles->set_pop_frame_link(old_handles); | |
| 900 thread->set_active_handles(new_handles); | |
| 901 jint ret = JNI_OK; | |
| 4006 | 902 #ifndef USDT2 |
| 0 | 903 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 904 #else /* USDT2 */ |
| 905 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 906 ret); | |
| 907 #endif /* USDT2 */ | |
| 0 | 908 return ret; |
| 909 JNI_END | |
| 910 | |
| 911 | |
| 912 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 913 JNIWrapper("PopLocalFrame"); | |
| 4006 | 914 #ifndef USDT2 |
| 0 | 915 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 916 #else /* USDT2 */ |
| 917 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 918 env, result); | |
| 919 #endif /* USDT2 */ | |
| 0 | 920 //%note jni_11 |
| 921 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 922 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 923 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 924 if (new_handles != NULL) { | |
| 925 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 926 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 927 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 928 // the release_block call will release the blocks. | |
| 929 thread->set_active_handles(new_handles); | |
| 930 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 931 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 932 result = JNIHandles::make_local(thread, result_handle()); | |
| 933 } | |
| 4006 | 934 #ifndef USDT2 |
| 0 | 935 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 936 #else /* USDT2 */ |
| 937 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 938 result); | |
| 939 #endif /* USDT2 */ | |
| 0 | 940 return result; |
| 941 JNI_END | |
| 942 | |
| 943 | |
| 944 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 945 JNIWrapper("NewGlobalRef"); | |
| 4006 | 946 #ifndef USDT2 |
| 0 | 947 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 948 #else /* USDT2 */ |
| 949 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 950 env, ref); | |
| 951 #endif /* USDT2 */ | |
| 0 | 952 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 953 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 954 #ifndef USDT2 |
| 0 | 955 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 956 #else /* USDT2 */ |
| 957 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 958 ret); | |
| 959 #endif /* USDT2 */ | |
| 0 | 960 return ret; |
| 961 JNI_END | |
| 962 | |
| 963 // Must be JNI_ENTRY (with HandleMark) | |
| 964 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 965 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 966 #ifndef USDT2 |
| 0 | 967 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 968 #else /* USDT2 */ |
| 969 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 970 env, ref); | |
| 971 #endif /* USDT2 */ | |
| 0 | 972 JNIHandles::destroy_global(ref); |
| 4006 | 973 #ifndef USDT2 |
| 0 | 974 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 975 #else /* USDT2 */ |
| 976 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 977 ); | |
| 978 #endif /* USDT2 */ | |
| 0 | 979 JNI_END |
| 980 | |
| 981 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 982 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 983 #ifndef USDT2 |
| 0 | 984 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 985 #else /* USDT2 */ |
| 986 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 987 env, obj); | |
| 988 #endif /* USDT2 */ | |
| 0 | 989 JNIHandles::destroy_local(obj); |
| 4006 | 990 #ifndef USDT2 |
| 0 | 991 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 992 #else /* USDT2 */ |
| 993 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 994 ); | |
| 995 #endif /* USDT2 */ | |
| 0 | 996 JNI_END |
| 997 | |
| 998 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 999 JNIWrapper("IsSameObject"); | |
| 4006 | 1000 #ifndef USDT2 |
| 0 | 1001 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 1002 #else /* USDT2 */ |
| 1003 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 1004 env, r1, r2); | |
| 1005 #endif /* USDT2 */ | |
| 0 | 1006 oop a = JNIHandles::resolve(r1); |
| 1007 oop b = JNIHandles::resolve(r2); | |
| 1008 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1009 #ifndef USDT2 |
| 0 | 1010 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1011 #else /* USDT2 */ |
| 1012 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1013 ret); | |
| 1014 #endif /* USDT2 */ | |
| 0 | 1015 return ret; |
| 1016 JNI_END | |
| 1017 | |
| 1018 | |
| 1019 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1020 JNIWrapper("NewLocalRef"); | |
| 4006 | 1021 #ifndef USDT2 |
| 0 | 1022 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1023 #else /* USDT2 */ |
| 1024 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1025 env, ref); | |
| 1026 #endif /* USDT2 */ | |
| 0 | 1027 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1028 #ifndef USDT2 |
| 0 | 1029 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1030 #else /* USDT2 */ |
| 1031 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1032 ret); | |
| 1033 #endif /* USDT2 */ | |
| 0 | 1034 return ret; |
| 1035 JNI_END | |
| 1036 | |
| 1037 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1038 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1039 #ifndef USDT2 |
| 0 | 1040 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1041 #else /* USDT2 */ |
| 1042 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1043 env, capacity); | |
| 1044 #endif /* USDT2 */ | |
| 0 | 1045 jint ret; |
| 1046 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1047 ret = JNI_OK; | |
| 1048 } else { | |
| 1049 ret = JNI_ERR; | |
| 1050 } | |
| 4006 | 1051 #ifndef USDT2 |
| 0 | 1052 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1053 #else /* USDT2 */ |
| 1054 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1055 ret); | |
| 1056 #endif /* USDT2 */ | |
| 0 | 1057 return ret; |
| 1058 JNI_END | |
| 1059 | |
| 1060 // Return the Handle Type | |
| 1061 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1062 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1063 #ifndef USDT2 |
| 0 | 1064 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1065 #else /* USDT2 */ |
| 1066 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1067 env, obj); | |
| 1068 #endif /* USDT2 */ | |
| 0 | 1069 jobjectRefType ret; |
| 1070 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1071 JNIHandles::is_frame_handle(thread, obj)) | |
| 1072 ret = JNILocalRefType; | |
| 1073 else if (JNIHandles::is_global_handle(obj)) | |
| 1074 ret = JNIGlobalRefType; | |
| 1075 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1076 ret = JNIWeakGlobalRefType; | |
| 1077 else | |
| 1078 ret = JNIInvalidRefType; | |
| 4006 | 1079 #ifndef USDT2 |
| 0 | 1080 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1081 #else /* USDT2 */ |
| 1082 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1083 (void *) ret); | |
| 1084 #endif /* USDT2 */ | |
| 0 | 1085 return ret; |
| 1086 JNI_END | |
| 1087 | |
| 1088 | |
| 1089 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1090 protected: | |
| 1091 JavaCallArguments* _arguments; | |
| 1092 | |
| 1093 virtual void get_bool () = 0; | |
| 1094 virtual void get_char () = 0; | |
| 1095 virtual void get_short () = 0; | |
| 1096 virtual void get_byte () = 0; | |
| 1097 virtual void get_int () = 0; | |
| 1098 virtual void get_long () = 0; | |
| 1099 virtual void get_float () = 0; | |
| 1100 virtual void get_double () = 0; | |
| 1101 virtual void get_object () = 0; | |
| 1102 | |
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1103 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1104 this->_return_type = T_ILLEGAL; |
| 1105 _arguments = NULL; | |
| 1106 } | |
| 1107 | |
| 1108 public: | |
| 1109 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1110 | |
| 1111 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1112 | |
| 1113 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1114 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1115 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1116 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1117 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1118 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1119 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1120 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1121 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1122 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1123 inline void do_void() { } | |
| 1124 | |
| 1125 JavaCallArguments* arguments() { return _arguments; } | |
| 1126 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1127 }; | |
| 1128 | |
| 1129 | |
| 1130 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1131 protected: | |
| 1132 va_list _ap; | |
| 1133 | |
| 1134 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1135 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1136 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1137 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1138 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1139 | |
| 1140 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1141 | |
| 1142 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1143 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1144 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1145 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1146 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1147 | |
| 1148 inline void set_ap(va_list rap) { | |
| 1149 #ifdef va_copy | |
| 1150 va_copy(_ap, rap); | |
| 1151 #elif defined (__va_copy) | |
| 1152 __va_copy(_ap, rap); | |
| 1153 #else | |
| 1154 _ap = rap; | |
| 1155 #endif | |
| 1156 } | |
| 1157 | |
| 1158 public: | |
|
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1159 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1160 : JNI_ArgumentPusher(signature) { |
| 0 | 1161 set_ap(rap); |
| 1162 } | |
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1163 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1164 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1165 set_ap(rap); |
| 1166 } | |
| 1167 | |
| 1168 // Optimized path if we have the bitvector form of signature | |
| 1169 void iterate( uint64_t fingerprint ) { | |
| 1170 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1171 else { | |
| 1172 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1173 result_feature_mask); | |
| 1174 | |
| 1175 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1176 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1177 while ( 1 ) { | |
| 1178 switch ( fingerprint & parameter_feature_mask ) { | |
| 1179 case bool_parm: | |
| 1180 case char_parm: | |
| 1181 case short_parm: | |
| 1182 case byte_parm: | |
| 1183 case int_parm: | |
| 1184 get_int(); | |
| 1185 break; | |
| 1186 case obj_parm: | |
| 1187 get_object(); | |
| 1188 break; | |
| 1189 case long_parm: | |
| 1190 get_long(); | |
| 1191 break; | |
| 1192 case float_parm: | |
| 1193 get_float(); | |
| 1194 break; | |
| 1195 case double_parm: | |
| 1196 get_double(); | |
| 1197 break; | |
| 1198 case done_parm: | |
| 1199 return; | |
| 1200 break; | |
| 1201 default: | |
| 1202 ShouldNotReachHere(); | |
| 1203 break; | |
| 1204 } | |
| 1205 fingerprint >>= parameter_feature_size; | |
| 1206 } | |
| 1207 } | |
| 1208 } | |
| 1209 }; | |
| 1210 | |
| 1211 | |
| 1212 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1213 protected: | |
| 1214 const jvalue *_ap; | |
| 1215 | |
| 1216 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1217 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1218 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1219 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1220 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1221 | |
| 1222 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1223 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1224 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1225 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1226 | |
| 1227 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1228 | |
| 1229 public: | |
|
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1230 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1231 : JNI_ArgumentPusher(signature) { |
| 0 | 1232 set_ap(rap); |
| 1233 } | |
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1234 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1235 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1236 set_ap(rap); |
| 1237 } | |
| 1238 | |
| 1239 // Optimized path if we have the bitvector form of signature | |
| 1240 void iterate( uint64_t fingerprint ) { | |
| 1241 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1242 else { | |
| 1243 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1244 result_feature_mask); | |
| 1245 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1246 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1247 while ( 1 ) { | |
| 1248 switch ( fingerprint & parameter_feature_mask ) { | |
| 1249 case bool_parm: | |
| 1250 get_bool(); | |
| 1251 break; | |
| 1252 case char_parm: | |
| 1253 get_char(); | |
| 1254 break; | |
| 1255 case short_parm: | |
| 1256 get_short(); | |
| 1257 break; | |
| 1258 case byte_parm: | |
| 1259 get_byte(); | |
| 1260 break; | |
| 1261 case int_parm: | |
| 1262 get_int(); | |
| 1263 break; | |
| 1264 case obj_parm: | |
| 1265 get_object(); | |
| 1266 break; | |
| 1267 case long_parm: | |
| 1268 get_long(); | |
| 1269 break; | |
| 1270 case float_parm: | |
| 1271 get_float(); | |
| 1272 break; | |
| 1273 case double_parm: | |
| 1274 get_double(); | |
| 1275 break; | |
| 1276 case done_parm: | |
| 1277 return; | |
| 1278 break; | |
| 1279 default: | |
| 1280 ShouldNotReachHere(); | |
| 1281 break; | |
| 1282 } | |
| 1283 fingerprint >>= parameter_feature_size; | |
| 1284 } | |
| 1285 } | |
| 1286 } | |
| 1287 }; | |
| 1288 | |
| 1289 | |
| 1290 enum JNICallType { | |
| 1291 JNI_STATIC, | |
| 1292 JNI_VIRTUAL, | |
| 1293 JNI_NONVIRTUAL | |
| 1294 }; | |
| 1295 | |
| 1296 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
| 1297 assert(!method.is_null() , "method should not be null"); | |
| 1298 | |
| 1299 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1300 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1301 KlassHandle spec_klass (THREAD, method->method_holder()); | |
|
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1302 Symbol* name = method->name(); |
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1303 Symbol* signature = method->signature(); |
| 0 | 1304 CallInfo info; |
| 1305 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1306 return info.selected_method(); | |
| 1307 } | |
| 1308 | |
| 1309 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
| 1310 assert(!method.is_null() , "method should not be null"); | |
| 1311 | |
| 1312 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1313 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1314 KlassHandle spec_klass (THREAD, method->method_holder()); | |
|
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1315 Symbol* name = method->name(); |
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1316 Symbol* signature = method->signature(); |
| 0 | 1317 CallInfo info; |
| 1318 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1319 return info.selected_method(); | |
| 1320 } | |
| 1321 | |
| 1322 | |
|
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1323 static bool first_time_InvokeMain = true; |
| 0 | 1324 |
| 1325 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1326 methodHandle method(THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
| 1327 | |
| 1328 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1329 // the jni parser | |
| 1330 ResourceMark rm(THREAD); | |
| 1331 int number_of_parameters = method->size_of_parameters(); | |
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1332 |
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1333 // Invoke the method. Result is returned as oop. |
| 0 | 1334 JavaCallArguments java_args(number_of_parameters); |
| 1335 args->set_java_argument_object(&java_args); | |
| 1336 | |
| 1337 assert(method->is_static(), "method should be static"); | |
| 1338 | |
| 1339 // Fill out JavaCallArguments object | |
|
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1340 args->iterate( Fingerprinter(method).fingerprint() ); |
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1341 // Initialize result type (must be done after args->iterate()) |
| 0 | 1342 result->set_type(args->get_ret_type()); |
| 1343 | |
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1344 #ifdef HIGH_LEVEL_INTERPRETER |
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1345 // TODO (chaeubl): this is quite a hack. The launcher should take care about that instead. |
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1346 bool invoked_main_method = false; |
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1347 if (HighLevelInterpreterClass != NULL && first_time_InvokeMain && method->name() == vmSymbols::main_name() && method->result_type() == T_VOID) { |
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1348 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
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1349 JavaThread* thread = (JavaThread*)THREAD; |
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1350 first_time_InvokeMain = false; |
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1351 invoked_main_method = true; |
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1352 thread->set_high_level_interpreter_in_vm(true); |
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1353 } |
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1354 #endif |
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1355 |
| 0 | 1356 JavaCalls::call(result, method, &java_args, CHECK); |
| 1357 | |
| 1358 // Convert result | |
| 1359 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1360 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1361 } | |
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1362 |
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1363 #ifdef HIGH_LEVEL_INTERPRETER |
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1364 if (invoked_main_method) { |
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1365 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
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1366 JavaThread* thread = (JavaThread*)THREAD; |
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1367 thread->set_high_level_interpreter_in_vm(false); |
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1368 } |
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1369 #endif |
| 0 | 1370 } |
| 1371 | |
| 1372 | |
| 1373 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1374 oop recv = JNIHandles::resolve(receiver); | |
| 1375 if (recv == NULL) { | |
| 1376 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1377 } | |
| 1378 Handle h_recv(THREAD, recv); | |
| 1379 | |
| 1380 int number_of_parameters; | |
| 1381 methodOop selected_method; | |
| 1382 { | |
| 1383 methodOop m = JNIHandles::resolve_jmethod_id(method_id); | |
| 1384 number_of_parameters = m->size_of_parameters(); | |
| 1385 klassOop holder = m->method_holder(); | |
| 1386 if (!(Klass::cast(holder))->is_interface()) { | |
| 1387 // non-interface call -- for that little speed boost, don't handlize | |
| 1388 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1389 if (call_type == JNI_VIRTUAL) { | |
| 1390 // jni_GetMethodID makes sure class is linked and initialized | |
| 1391 // so m should have a valid vtable index. | |
| 1392 int vtbl_index = m->vtable_index(); | |
| 1393 if (vtbl_index != methodOopDesc::nonvirtual_vtable_index) { | |
| 1394 klassOop k = h_recv->klass(); | |
| 1395 // k might be an arrayKlassOop but all vtables start at | |
| 1396 // the same place. The cast is to avoid virtual call and assertion. | |
| 1397 instanceKlass *ik = (instanceKlass*)k->klass_part(); | |
| 1398 selected_method = ik->method_at_vtable(vtbl_index); | |
| 1399 } else { | |
| 1400 // final method | |
| 1401 selected_method = m; | |
| 1402 } | |
| 1403 } else { | |
| 1404 // JNI_NONVIRTUAL call | |
| 1405 selected_method = m; | |
| 1406 } | |
| 1407 } else { | |
| 1408 // interface call | |
| 1409 KlassHandle h_holder(THREAD, holder); | |
| 1410 | |
| 1411 int itbl_index = m->cached_itable_index(); | |
| 1412 if (itbl_index == -1) { | |
| 1413 itbl_index = klassItable::compute_itable_index(m); | |
| 1414 m->set_cached_itable_index(itbl_index); | |
| 1415 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
| 1416 } | |
| 1417 klassOop k = h_recv->klass(); | |
| 1418 selected_method = instanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
| 1419 } | |
| 1420 } | |
| 1421 | |
| 1422 methodHandle method(THREAD, selected_method); | |
| 1423 | |
| 1424 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1425 // the jni parser | |
| 1426 ResourceMark rm(THREAD); | |
| 1427 JavaCallArguments java_args(number_of_parameters); | |
| 1428 args->set_java_argument_object(&java_args); | |
| 1429 | |
| 1430 // handle arguments | |
| 1431 assert(!method->is_static(), "method should not be static"); | |
| 1432 args->push_receiver(h_recv); // Push jobject handle | |
| 1433 | |
| 1434 // Fill out JavaCallArguments object | |
|
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1435 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1436 // Initialize result type |
| 1437 result->set_type(args->get_ret_type()); | |
| 1438 | |
| 1439 // Invoke the method. Result is returned as oop. | |
| 1440 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1441 | |
| 1442 // Convert result | |
| 1443 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1444 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1445 } | |
| 1446 } | |
| 1447 | |
| 1448 | |
| 1449 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
| 1450 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 1451 Klass::cast(k())->check_valid_for_instantiation(false, CHECK_NULL); | |
| 1452 instanceKlass::cast(k())->initialize(CHECK_NULL); | |
| 1453 instanceOop ih = instanceKlass::cast(k())->allocate_instance(THREAD); | |
| 1454 return ih; | |
| 1455 } | |
| 1456 | |
| 4006 | 1457 #ifndef USDT2 |
| 0 | 1458 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1459 #else /* USDT2 */ |
| 1460 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1461 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1462 #endif /* USDT2 */ | |
| 0 | 1463 |
| 1464 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1465 JNIWrapper("AllocObject"); | |
| 1466 | |
| 4006 | 1467 #ifndef USDT2 |
| 0 | 1468 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1469 #else /* USDT2 */ |
| 1470 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1471 env, clazz); | |
| 1472 #endif /* USDT2 */ | |
| 0 | 1473 jobject ret = NULL; |
| 1474 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1475 | |
| 1476 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1477 ret = JNIHandles::make_local(env, i); | |
| 1478 return ret; | |
| 1479 JNI_END | |
| 1480 | |
| 4006 | 1481 #ifndef USDT2 |
| 0 | 1482 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1483 #else /* USDT2 */ |
| 1484 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1485 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1486 #endif /* USDT2 */ | |
| 0 | 1487 |
| 1488 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1489 JNIWrapper("NewObjectA"); | |
| 4006 | 1490 #ifndef USDT2 |
| 0 | 1491 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1492 #else /* USDT2 */ |
| 1493 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1494 env, clazz, (uintptr_t) methodID); | |
| 1495 #endif /* USDT2 */ | |
| 0 | 1496 jobject obj = NULL; |
| 1497 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1498 | |
| 1499 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1500 obj = JNIHandles::make_local(env, i); | |
| 1501 JavaValue jvalue(T_VOID); | |
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1502 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1503 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1504 return obj; | |
| 1505 JNI_END | |
| 1506 | |
| 4006 | 1507 #ifndef USDT2 |
| 0 | 1508 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1509 #else /* USDT2 */ |
| 1510 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1511 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1512 #endif /* USDT2 */ | |
| 0 | 1513 |
| 1514 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1515 JNIWrapper("NewObjectV"); | |
| 4006 | 1516 #ifndef USDT2 |
| 0 | 1517 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1518 #else /* USDT2 */ |
| 1519 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1520 env, clazz, (uintptr_t) methodID); | |
| 1521 #endif /* USDT2 */ | |
| 0 | 1522 jobject obj = NULL; |
| 1523 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1524 | |
| 1525 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1526 obj = JNIHandles::make_local(env, i); | |
| 1527 JavaValue jvalue(T_VOID); | |
|
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1528 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1529 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1530 return obj; | |
| 1531 JNI_END | |
| 1532 | |
| 4006 | 1533 #ifndef USDT2 |
| 0 | 1534 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1535 #else /* USDT2 */ |
| 1536 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1537 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1538 #endif /* USDT2 */ | |
| 0 | 1539 |
| 1540 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1541 JNIWrapper("NewObject"); | |
| 4006 | 1542 #ifndef USDT2 |
| 0 | 1543 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1544 #else /* USDT2 */ |
| 1545 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1546 env, clazz, (uintptr_t) methodID); | |
| 1547 #endif /* USDT2 */ | |
| 0 | 1548 jobject obj = NULL; |
| 1549 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1550 | |
| 1551 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1552 obj = JNIHandles::make_local(env, i); | |
| 1553 va_list args; | |
| 1554 va_start(args, methodID); | |
| 1555 JavaValue jvalue(T_VOID); | |
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1556 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1557 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1558 va_end(args); | |
| 1559 return obj; | |
| 1560 JNI_END | |
| 1561 | |
| 1562 | |
| 1563 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1564 JNIWrapper("GetObjectClass"); | |
| 4006 | 1565 #ifndef USDT2 |
| 0 | 1566 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1567 #else /* USDT2 */ |
| 1568 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1569 env, obj); | |
| 1570 #endif /* USDT2 */ | |
| 0 | 1571 klassOop k = JNIHandles::resolve_non_null(obj)->klass(); |
| 1572 jclass ret = | |
| 1573 (jclass) JNIHandles::make_local(env, Klass::cast(k)->java_mirror()); | |
| 4006 | 1574 #ifndef USDT2 |
| 0 | 1575 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1576 #else /* USDT2 */ |
| 1577 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1578 ret); | |
| 1579 #endif /* USDT2 */ | |
| 0 | 1580 return ret; |
| 1581 JNI_END | |
| 1582 | |
| 1583 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1584 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1585 #ifndef USDT2 |
| 0 | 1586 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1587 #else /* USDT2 */ |
| 1588 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1589 env, obj, clazz); | |
| 1590 #endif /* USDT2 */ | |
| 0 | 1591 jboolean ret = JNI_TRUE; |
| 1592 if (obj != NULL) { | |
| 1593 ret = JNI_FALSE; | |
| 1594 klassOop k = java_lang_Class::as_klassOop( | |
| 1595 JNIHandles::resolve_non_null(clazz)); | |
| 1596 if (k != NULL) { | |
| 1597 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1598 } | |
| 1599 } | |
| 4006 | 1600 #ifndef USDT2 |
| 0 | 1601 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1602 #else /* USDT2 */ |
| 1603 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1604 ret); | |
| 1605 #endif /* USDT2 */ | |
| 0 | 1606 return ret; |
| 1607 JNI_END | |
| 1608 | |
| 1609 | |
| 1610 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1611 const char *sig, bool is_static, TRAPS) { | |
| 1612 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1613 // | |
| 1614 // The class should have been loaded (we have an instance of the class | |
| 1615 // passed in) so the method and signature should already be in the symbol | |
| 1616 // table. If they're not there, the method doesn't exist. | |
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1617 const char *name_to_probe = (name_str == NULL) |
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1618 ? vmSymbols::object_initializer_name()->as_C_string() |
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1619 : name_str; |
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1620 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1621 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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1622 |
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1623 if (name == NULL || signature == NULL) { |
| 0 | 1624 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1625 } | |
| 1626 | |
| 1627 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1628 // primitive java.lang.Class | |
| 1629 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1630 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1631 } | |
| 1632 | |
| 1633 KlassHandle klass(THREAD, | |
| 1634 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 1635 | |
| 1636 // Make sure class is linked and initialized before handing id's out to | |
| 1637 // methodOops. | |
| 1638 Klass::cast(klass())->initialize(CHECK_NULL); | |
| 1639 | |
| 1640 methodOop m; | |
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1641 if (name == vmSymbols::object_initializer_name() || |
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1642 name == vmSymbols::class_initializer_name()) { |
| 0 | 1643 // Never search superclasses for constructors |
| 1644 if (klass->oop_is_instance()) { | |
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1645 m = instanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1646 } else { |
| 1647 m = NULL; | |
| 1648 } | |
| 1649 } else { | |
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1650 m = klass->lookup_method(name, signature); |
| 0 | 1651 // Look up interfaces |
| 1652 if (m == NULL && klass->oop_is_instance()) { | |
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1653 m = instanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1654 signature); |
| 0 | 1655 } |
| 1656 } | |
| 1657 if (m == NULL || (m->is_static() != is_static)) { | |
| 1658 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1659 } | |
| 1660 return m->jmethod_id(); | |
| 1661 } | |
| 1662 | |
| 1663 | |
| 1664 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1665 const char *name, const char *sig)) | |
| 1666 JNIWrapper("GetMethodID"); | |
| 4006 | 1667 #ifndef USDT2 |
| 0 | 1668 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1669 #else /* USDT2 */ |
| 1670 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1671 env, clazz, (char *) name, (char *) sig); | |
| 1672 #endif /* USDT2 */ | |
| 0 | 1673 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1674 #ifndef USDT2 |
| 0 | 1675 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1676 #else /* USDT2 */ |
| 1677 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1678 (uintptr_t) ret); | |
| 1679 #endif /* USDT2 */ | |
| 0 | 1680 return ret; |
| 1681 JNI_END | |
| 1682 | |
| 1683 | |
| 1684 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1685 const char *name, const char *sig)) | |
| 1686 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1687 #ifndef USDT2 |
| 0 | 1688 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1689 #else /* USDT2 */ |
| 1690 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1691 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1692 #endif /* USDT2 */ | |
| 0 | 1693 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1694 #ifndef USDT2 |
| 0 | 1695 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1696 #else /* USDT2 */ |
| 1697 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1698 (uintptr_t) ret); | |
| 1699 #endif /* USDT2 */ | |
| 0 | 1700 return ret; |
| 1701 JNI_END | |
| 1702 | |
| 1703 | |
| 1704 | |
| 1705 // | |
| 1706 // Calling Methods | |
| 1707 // | |
| 1708 | |
| 4006 | 1709 #ifndef USDT2 |
| 0 | 1710 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1711 \ | |
| 1712 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1713 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1714 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1715 \ | |
| 1716 JNI_ENTRY(ResultType, \ | |
| 1717 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1718 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1719 \ | |
| 4006 | 1720 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1721 ResultType ret = 0;\ |
| 1722 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1723 (const ResultType&)ret);\ | |
| 1724 \ | |
| 1725 va_list args; \ | |
| 1726 va_start(args, methodID); \ | |
| 1727 JavaValue jvalue(Tag); \ | |
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1728 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1729 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1730 va_end(args); \ | |
| 1731 ret = jvalue.get_##ResultType(); \ | |
| 1732 return ret;\ | |
| 1733 JNI_END \ | |
| 1734 \ | |
| 1735 \ | |
| 1736 JNI_ENTRY(ResultType, \ | |
| 1737 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1738 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1739 \ | |
| 4006 | 1740 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1741 ResultType ret = 0;\ |
| 1742 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1743 (const ResultType&)ret);\ | |
| 1744 \ | |
| 1745 JavaValue jvalue(Tag); \ | |
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1746 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1747 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1748 ret = jvalue.get_##ResultType(); \ | |
| 1749 return ret;\ | |
| 1750 JNI_END \ | |
| 1751 \ | |
| 1752 \ | |
| 1753 JNI_ENTRY(ResultType, \ | |
| 1754 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1755 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1756 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1757 ResultType ret = 0;\ |
| 1758 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1759 (const ResultType&)ret);\ | |
| 1760 \ | |
| 1761 JavaValue jvalue(Tag); \ | |
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1762 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1763 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1764 ret = jvalue.get_##ResultType(); \ | |
| 1765 return ret;\ | |
| 1766 JNI_END | |
| 1767 | |
| 1768 // the runtime type of subword integral basic types is integer | |
| 1769 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1770 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1771 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1772 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1773 | |
| 1774 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1775 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1776 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1777 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1778 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1779 | |
| 1780 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1781 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1782 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1783 | |
| 4006 | 1784 #else /* USDT2 */ |
| 1785 | |
| 1786 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1787 , EntryProbe, ReturnProbe) \ | |
| 1788 \ | |
| 1789 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1790 , ReturnProbe); \ | |
| 1791 \ | |
| 1792 JNI_ENTRY(ResultType, \ | |
| 1793 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1794 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1795 \ | |
| 1796 EntryProbe; \ | |
| 1797 ResultType ret = 0;\ | |
| 1798 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1799 (const ResultType&)ret);\ | |
| 1800 \ | |
| 1801 va_list args; \ | |
| 1802 va_start(args, methodID); \ | |
| 1803 JavaValue jvalue(Tag); \ | |
| 1804 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1805 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1806 va_end(args); \ | |
| 1807 ret = jvalue.get_##ResultType(); \ | |
| 1808 return ret;\ | |
| 1809 JNI_END | |
| 1810 | |
| 1811 // the runtime type of subword integral basic types is integer | |
| 1812 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1813 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1814 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1815 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1816 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1817 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1818 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1819 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1820 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1821 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1822 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1823 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1824 | |
| 1825 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1826 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1827 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1828 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1829 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1830 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1831 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1832 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1833 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1834 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1835 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1836 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1837 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1838 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1839 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1840 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1841 | |
| 1842 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1843 , EntryProbe, ReturnProbe) \ | |
| 1844 \ | |
| 1845 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1846 , ReturnProbe); \ | |
| 1847 \ | |
| 1848 JNI_ENTRY(ResultType, \ | |
| 1849 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1850 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1851 \ | |
| 1852 EntryProbe;\ | |
| 1853 ResultType ret = 0;\ | |
| 1854 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1855 (const ResultType&)ret);\ | |
| 1856 \ | |
| 1857 JavaValue jvalue(Tag); \ | |
| 1858 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1859 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1860 ret = jvalue.get_##ResultType(); \ | |
| 1861 return ret;\ | |
| 1862 JNI_END | |
| 1863 | |
| 1864 // the runtime type of subword integral basic types is integer | |
| 1865 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1866 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1867 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1868 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1869 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1870 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1871 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1872 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1873 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1874 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1875 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1876 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1877 | |
| 1878 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1879 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1880 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1881 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1882 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1883 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1884 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1885 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1886 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1887 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1888 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1889 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1890 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1891 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1892 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1893 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1894 | |
| 1895 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1896 , EntryProbe, ReturnProbe) \ | |
| 1897 \ | |
| 1898 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1899 , ReturnProbe); \ | |
| 1900 \ | |
| 1901 JNI_ENTRY(ResultType, \ | |
| 1902 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1903 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1904 EntryProbe; \ | |
| 1905 ResultType ret = 0;\ | |
| 1906 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1907 (const ResultType&)ret);\ | |
| 1908 \ | |
| 1909 JavaValue jvalue(Tag); \ | |
| 1910 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1911 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1912 ret = jvalue.get_##ResultType(); \ | |
| 1913 return ret;\ | |
| 1914 JNI_END | |
| 1915 | |
| 1916 // the runtime type of subword integral basic types is integer | |
| 1917 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1918 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1919 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1920 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1921 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1922 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1923 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1924 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1925 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1926 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1927 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1928 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1929 | |
| 1930 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1931 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1932 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1933 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1934 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1935 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1936 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1937 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1938 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1939 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1940 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1941 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1942 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1943 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1944 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1945 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1946 | |
| 1947 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1948 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1949 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1950 | |
| 1951 #endif /* USDT2 */ | |
| 1952 | |
| 0 | 1953 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1954 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1955 #ifndef USDT2 |
| 0 | 1956 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1957 #else /* USDT2 */ |
| 1958 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1959 env, obj, (uintptr_t) methodID); | |
| 1960 #endif /* USDT2 */ | |
| 0 | 1961 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1962 | |
| 1963 va_list args; | |
| 1964 va_start(args, methodID); | |
| 1965 JavaValue jvalue(T_VOID); | |
|
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1966 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1967 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1968 va_end(args); | |
| 1969 JNI_END | |
| 1970 | |
| 1971 | |
| 1972 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1973 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1974 #ifndef USDT2 |
| 0 | 1975 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1976 #else /* USDT2 */ |
| 1977 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1978 env, obj, (uintptr_t) methodID); | |
| 1979 #endif /* USDT2 */ | |
| 0 | 1980 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1981 | |
| 1982 JavaValue jvalue(T_VOID); | |
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1983 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1984 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1985 JNI_END | |
| 1986 | |
| 1987 | |
| 1988 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1989 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1990 #ifndef USDT2 |
| 0 | 1991 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1992 #else /* USDT2 */ |
| 1993 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1994 env, obj, (uintptr_t) methodID); | |
| 1995 #endif /* USDT2 */ | |
| 0 | 1996 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1997 | |
| 1998 JavaValue jvalue(T_VOID); | |
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1999 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2000 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 2001 JNI_END | |
| 2002 | |
| 2003 | |
| 4006 | 2004 #ifndef USDT2 |
| 0 | 2005 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 2006 \ | |
| 2007 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 2008 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 2009 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 2010 \ | |
| 2011 JNI_ENTRY(ResultType, \ | |
| 2012 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2013 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2014 \ | |
| 2015 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 2016 ResultType ret;\ | |
| 2017 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2018 (const ResultType&)ret);\ | |
| 2019 \ | |
| 2020 va_list args; \ | |
| 2021 va_start(args, methodID); \ | |
| 2022 JavaValue jvalue(Tag); \ | |
|
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2023 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2024 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2025 va_end(args); \ | |
| 2026 ret = jvalue.get_##ResultType(); \ | |
| 2027 return ret;\ | |
| 2028 JNI_END \ | |
| 2029 \ | |
| 2030 JNI_ENTRY(ResultType, \ | |
| 2031 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2032 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 2033 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 2034 ResultType ret;\ | |
| 2035 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2036 (const ResultType&)ret);\ | |
| 2037 \ | |
| 2038 JavaValue jvalue(Tag); \ | |
|
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2039 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2040 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2041 ret = jvalue.get_##ResultType(); \ | |
| 2042 return ret;\ | |
| 2043 JNI_END \ | |
| 2044 \ | |
| 2045 JNI_ENTRY(ResultType, \ | |
| 2046 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2047 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2048 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 2049 ResultType ret;\ | |
| 2050 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2051 (const ResultType&)ret);\ | |
| 2052 \ | |
| 2053 JavaValue jvalue(Tag); \ | |
|
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2054 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2055 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2056 ret = jvalue.get_##ResultType(); \ | |
| 2057 return ret;\ | |
| 2058 JNI_END | |
| 2059 | |
| 2060 // the runtime type of subword integral basic types is integer | |
| 2061 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2062 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2063 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2064 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2065 | |
| 2066 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2067 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2068 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2069 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2070 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2071 | |
| 2072 | |
| 2073 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2074 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2075 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2076 | |
| 4006 | 2077 #else /* USDT2 */ |
| 2078 | |
| 2079 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2080 , EntryProbe, ReturnProbe) \ | |
| 2081 \ | |
| 2082 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2083 , ReturnProbe);\ | |
| 2084 \ | |
| 2085 JNI_ENTRY(ResultType, \ | |
| 2086 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2087 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2088 \ | |
| 2089 EntryProbe;\ | |
| 2090 ResultType ret;\ | |
| 2091 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2092 (const ResultType&)ret);\ | |
| 2093 \ | |
| 2094 va_list args; \ | |
| 2095 va_start(args, methodID); \ | |
| 2096 JavaValue jvalue(Tag); \ | |
| 2097 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2098 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2099 va_end(args); \ | |
| 2100 ret = jvalue.get_##ResultType(); \ | |
| 2101 return ret;\ | |
| 2102 JNI_END | |
| 2103 | |
| 2104 // the runtime type of subword integral basic types is integer | |
| 2105 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2106 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2107 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2108 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2109 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2110 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2111 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2112 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2113 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2114 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2115 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2116 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2117 | |
| 2118 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2119 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2120 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2121 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2122 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2123 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2124 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2125 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2126 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2127 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2128 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2129 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2130 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2131 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2132 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2133 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2134 | |
| 2135 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2136 , EntryProbe, ReturnProbe) \ | |
| 2137 \ | |
| 2138 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2139 , ReturnProbe);\ | |
| 2140 \ | |
| 2141 JNI_ENTRY(ResultType, \ | |
| 2142 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2143 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2144 \ | |
| 2145 EntryProbe;\ | |
| 2146 ResultType ret;\ | |
| 2147 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2148 (const ResultType&)ret);\ | |
| 2149 \ | |
| 2150 JavaValue jvalue(Tag); \ | |
| 2151 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2152 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2153 ret = jvalue.get_##ResultType(); \ | |
| 2154 return ret;\ | |
| 2155 JNI_END | |
| 2156 | |
| 2157 // the runtime type of subword integral basic types is integer | |
| 2158 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2159 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2160 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2161 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2162 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2163 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2164 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2165 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2166 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2167 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2168 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2169 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2170 | |
| 2171 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2172 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2173 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2174 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2175 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2176 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2177 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2178 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2179 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2180 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2181 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2182 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2183 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2184 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2185 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2186 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2187 | |
| 2188 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2189 , EntryProbe, ReturnProbe) \ | |
| 2190 \ | |
| 2191 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2192 , ReturnProbe);\ | |
| 2193 \ | |
| 2194 JNI_ENTRY(ResultType, \ | |
| 2195 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2196 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2197 \ | |
| 2198 EntryProbe;\ | |
| 2199 ResultType ret;\ | |
| 2200 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2201 (const ResultType&)ret);\ | |
| 2202 \ | |
| 2203 JavaValue jvalue(Tag); \ | |
| 2204 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2205 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2206 ret = jvalue.get_##ResultType(); \ | |
| 2207 return ret;\ | |
| 2208 JNI_END | |
| 2209 | |
| 2210 // the runtime type of subword integral basic types is integer | |
| 2211 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2212 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2213 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2214 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2215 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2216 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2217 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2218 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2219 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2220 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2221 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2222 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2223 | |
| 2224 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2225 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2226 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2227 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2228 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2229 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2230 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2231 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2232 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2233 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2234 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2235 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2236 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2237 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2238 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2239 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2240 | |
| 2241 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2242 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2243 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2244 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2245 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2246 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2247 #endif /* USDT2 */ | |
| 2248 | |
| 0 | 2249 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2250 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2251 | |
| 4006 | 2252 #ifndef USDT2 |
| 0 | 2253 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2254 env, obj, cls, methodID); | |
| 4006 | 2255 #else /* USDT2 */ |
| 2256 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2257 env, obj, cls, (uintptr_t) methodID); | |
| 2258 #endif /* USDT2 */ | |
| 0 | 2259 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2260 | |
| 2261 va_list args; | |
| 2262 va_start(args, methodID); | |
| 2263 JavaValue jvalue(T_VOID); | |
|
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2264 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2265 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2266 va_end(args); | |
| 2267 JNI_END | |
| 2268 | |
| 2269 | |
| 2270 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2271 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2272 | |
| 4006 | 2273 #ifndef USDT2 |
| 0 | 2274 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2275 env, obj, cls, methodID); | |
| 4006 | 2276 #else /* USDT2 */ |
| 2277 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2278 env, obj, cls, (uintptr_t) methodID); | |
| 2279 #endif /* USDT2 */ | |
| 0 | 2280 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2281 | |
| 2282 JavaValue jvalue(T_VOID); | |
|
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2283 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2284 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2285 JNI_END | |
| 2286 | |
| 2287 | |
| 2288 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2289 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2290 #ifndef USDT2 |
| 0 | 2291 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2292 env, obj, cls, methodID); | |
| 4006 | 2293 #else /* USDT2 */ |
| 2294 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2295 env, obj, cls, (uintptr_t) methodID); | |
| 2296 #endif /* USDT2 */ | |
| 0 | 2297 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2298 JavaValue jvalue(T_VOID); | |
|
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2299 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2300 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2301 JNI_END | |
| 2302 | |
| 2303 | |
| 4006 | 2304 #ifndef USDT2 |
| 0 | 2305 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2306 \ | |
| 2307 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2308 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2309 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2310 \ | |
| 2311 JNI_ENTRY(ResultType, \ | |
| 2312 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2313 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2314 \ | |
| 2315 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2316 ResultType ret = 0;\ | |
| 2317 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2318 (const ResultType&)ret);\ | |
| 2319 \ | |
| 2320 va_list args; \ | |
| 2321 va_start(args, methodID); \ | |
| 2322 JavaValue jvalue(Tag); \ | |
|
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2323 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2324 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2325 va_end(args); \ | |
| 2326 ret = jvalue.get_##ResultType(); \ | |
| 2327 return ret;\ | |
| 2328 JNI_END \ | |
| 2329 \ | |
| 2330 JNI_ENTRY(ResultType, \ | |
| 2331 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2332 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2333 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2334 ResultType ret = 0;\ | |
| 2335 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2336 (const ResultType&)ret);\ | |
| 2337 \ | |
| 2338 JavaValue jvalue(Tag); \ | |
|
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2339 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2340 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2341 ret = jvalue.get_##ResultType(); \ | |
| 2342 return ret;\ | |
| 2343 JNI_END \ | |
| 2344 \ | |
| 2345 JNI_ENTRY(ResultType, \ | |
| 2346 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2347 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2348 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2349 ResultType ret = 0;\ | |
| 2350 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2351 (const ResultType&)ret);\ | |
| 2352 \ | |
| 2353 JavaValue jvalue(Tag); \ | |
|
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diff
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|
2354 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2355 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2356 ret = jvalue.get_##ResultType(); \ | |
| 2357 return ret;\ | |
| 2358 JNI_END | |
| 2359 | |
| 2360 // the runtime type of subword integral basic types is integer | |
| 2361 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2362 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2363 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2364 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2365 | |
| 2366 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2367 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2368 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2369 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2370 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2371 | |
| 2372 | |
| 2373 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2374 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2375 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2376 | |
| 4006 | 2377 #else /* USDT2 */ |
| 2378 | |
| 2379 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2380 , EntryProbe, ResultProbe) \ | |
| 2381 \ | |
| 2382 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2383 , ResultProbe); \ | |
| 2384 \ | |
| 2385 JNI_ENTRY(ResultType, \ | |
| 2386 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2387 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2388 \ | |
| 2389 EntryProbe; \ | |
| 2390 ResultType ret = 0;\ | |
| 2391 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2392 (const ResultType&)ret);\ | |
| 2393 \ | |
| 2394 va_list args; \ | |
| 2395 va_start(args, methodID); \ | |
| 2396 JavaValue jvalue(Tag); \ | |
| 2397 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2398 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2399 va_end(args); \ | |
| 2400 ret = jvalue.get_##ResultType(); \ | |
| 2401 return ret;\ | |
| 2402 JNI_END | |
| 2403 | |
| 2404 // the runtime type of subword integral basic types is integer | |
| 2405 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2406 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2407 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2408 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2409 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2410 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2411 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2412 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2413 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2414 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2415 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2416 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2417 | |
| 2418 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2419 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2420 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2421 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2422 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2423 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2424 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2425 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2426 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2427 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2428 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2429 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2430 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2431 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2432 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2433 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2434 | |
| 2435 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2436 , EntryProbe, ResultProbe) \ | |
| 2437 \ | |
| 2438 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2439 , ResultProbe); \ | |
| 2440 \ | |
| 2441 JNI_ENTRY(ResultType, \ | |
| 2442 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2443 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2444 \ | |
| 2445 EntryProbe; \ | |
| 2446 ResultType ret = 0;\ | |
| 2447 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2448 (const ResultType&)ret);\ | |
| 2449 \ | |
| 2450 JavaValue jvalue(Tag); \ | |
| 2451 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2452 /* Make sure class is initialized before trying to invoke its method */ \ | |
| 2453 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls))); \ | |
| 2454 Klass::cast(k())->initialize(CHECK_0); \ | |
| 2455 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2456 va_end(args); \ | |
| 2457 ret = jvalue.get_##ResultType(); \ | |
| 2458 return ret;\ | |
| 2459 JNI_END | |
| 2460 | |
| 2461 // the runtime type of subword integral basic types is integer | |
| 2462 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2463 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2464 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2465 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2466 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2467 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2468 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2469 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2470 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2471 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2472 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2473 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2474 | |
| 2475 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2476 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2477 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2478 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2479 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2480 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2481 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2482 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2483 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2484 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2485 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2486 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2487 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2488 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2489 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2490 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2491 | |
| 2492 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2493 , EntryProbe, ResultProbe) \ | |
| 2494 \ | |
| 2495 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2496 , ResultProbe); \ | |
| 2497 \ | |
| 2498 JNI_ENTRY(ResultType, \ | |
| 2499 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2500 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2501 \ | |
| 2502 EntryProbe; \ | |
| 2503 ResultType ret = 0;\ | |
| 2504 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2505 (const ResultType&)ret);\ | |
| 2506 \ | |
| 2507 JavaValue jvalue(Tag); \ | |
| 2508 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2509 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2510 ret = jvalue.get_##ResultType(); \ | |
| 2511 return ret;\ | |
| 2512 JNI_END | |
| 2513 | |
| 2514 // the runtime type of subword integral basic types is integer | |
| 2515 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2516 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2517 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2518 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2519 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2520 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2521 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2522 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2523 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2524 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2525 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2526 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2527 | |
| 2528 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2529 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2530 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2531 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2532 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2533 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2534 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2535 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2536 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2537 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2538 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2539 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2540 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2541 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2542 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2543 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2544 | |
| 2545 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2546 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2547 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2548 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2549 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2550 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2551 #endif /* USDT2 */ | |
| 2552 | |
| 0 | 2553 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2554 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2555 #ifndef USDT2 |
| 0 | 2556 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2557 #else /* USDT2 */ |
| 2558 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2559 env, cls, (uintptr_t) methodID); | |
| 2560 #endif /* USDT2 */ | |
| 0 | 2561 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2562 | |
| 2563 va_list args; | |
| 2564 va_start(args, methodID); | |
| 2565 JavaValue jvalue(T_VOID); | |
|
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2566 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2567 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2568 va_end(args); | |
| 2569 JNI_END | |
| 2570 | |
| 2571 | |
| 2572 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2573 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2574 #ifndef USDT2 |
| 0 | 2575 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2576 #else /* USDT2 */ |
| 2577 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2578 env, cls, (uintptr_t) methodID); | |
| 2579 #endif /* USDT2 */ | |
| 0 | 2580 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2581 | |
| 2582 JavaValue jvalue(T_VOID); | |
|
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2583 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2584 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2585 JNI_END | |
| 2586 | |
| 2587 | |
| 2588 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2589 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2590 #ifndef USDT2 |
| 0 | 2591 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2592 #else /* USDT2 */ |
| 2593 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2594 env, cls, (uintptr_t) methodID); | |
| 2595 #endif /* USDT2 */ | |
| 0 | 2596 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2597 | |
| 2598 JavaValue jvalue(T_VOID); | |
|
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2599 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2600 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2601 JNI_END | |
| 2602 | |
| 2603 | |
| 2604 // | |
| 2605 // Accessing Fields | |
| 2606 // | |
| 2607 | |
| 2608 | |
| 4006 | 2609 #ifndef USDT2 |
| 0 | 2610 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2611 #else /* USDT2 */ |
| 2612 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2613 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2614 #endif /* USDT2 */ | |
| 0 | 2615 |
| 2616 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2617 const char *name, const char *sig)) | |
| 2618 JNIWrapper("GetFieldID"); | |
| 4006 | 2619 #ifndef USDT2 |
| 0 | 2620 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2621 #else /* USDT2 */ |
| 2622 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2623 env, clazz, (char *) name, (char *) sig); | |
| 2624 #endif /* USDT2 */ | |
| 0 | 2625 jfieldID ret = 0; |
| 2626 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2627 | |
| 2628 // The class should have been loaded (we have an instance of the class | |
| 2629 // passed in) so the field and signature should already be in the symbol | |
| 2630 // table. If they're not there, the field doesn't exist. | |
|
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2631 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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2632 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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2633 if (fieldname == NULL || signame == NULL) { |
| 0 | 2634 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2635 } | |
| 2636 KlassHandle k(THREAD, | |
| 2637 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 2638 // Make sure class is initialized before handing id's out to fields | |
| 2639 Klass::cast(k())->initialize(CHECK_NULL); | |
| 2640 | |
| 2641 fieldDescriptor fd; | |
| 2642 if (!Klass::cast(k())->oop_is_instance() || | |
|
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2643 !instanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2644 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2645 } | |
| 2646 | |
| 2647 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2648 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2649 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2650 return ret; | |
| 2651 JNI_END | |
| 2652 | |
| 2653 | |
| 2654 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2655 JNIWrapper("GetObjectField"); | |
| 4006 | 2656 #ifndef USDT2 |
| 0 | 2657 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2658 #else /* USDT2 */ |
| 2659 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2660 env, obj, (uintptr_t) fieldID); | |
| 2661 #endif /* USDT2 */ | |
| 0 | 2662 oop o = JNIHandles::resolve_non_null(obj); |
| 2663 klassOop k = o->klass(); | |
| 2664 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2665 // Keep JVMTI addition small and only check enabled flag here. | |
| 2666 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2667 if (JvmtiExport::should_post_field_access()) { | |
| 2668 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2669 } | |
| 2670 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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|
2671 #ifndef SERIALGC |
|
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|
2672 // If G1 is enabled and we are accessing the value of the referent |
|
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diff
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|
2673 // field in a reference object then we need to register a non-null |
|
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|
2674 // referent with the SATB barrier. |
|
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diff
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|
2675 if (UseG1GC) { |
|
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diff
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|
2676 bool needs_barrier = false; |
|
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|
2677 |
|
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|
2678 if (ret != NULL && |
|
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changeset
|
2679 offset == java_lang_ref_Reference::referent_offset && |
|
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|
2680 instanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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|
2681 assert(instanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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|
2682 needs_barrier = true; |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
2683 } |
|
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diff
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|
2684 |
|
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diff
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|
2685 if (needs_barrier) { |
|
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diff
changeset
|
2686 oop referent = JNIHandles::resolve(ret); |
|
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diff
changeset
|
2687 G1SATBCardTableModRefBS::enqueue(referent); |
|
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diff
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|
2688 } |
|
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diff
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|
2689 } |
|
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|
2690 #endif // SERIALGC |
| 4006 | 2691 #ifndef USDT2 |
| 0 | 2692 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2693 #else /* USDT2 */ |
| 2694 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2695 ret); | |
| 2696 #endif /* USDT2 */ | |
| 0 | 2697 return ret; |
| 2698 JNI_END | |
| 2699 | |
| 2700 | |
| 4006 | 2701 #ifndef USDT2 |
| 0 | 2702 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2703 \ | |
| 2704 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2705 \ | |
| 2706 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2707 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2708 \ | |
| 2709 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2710 Return ret = 0;\ | |
| 2711 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2712 \ | |
| 2713 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2714 klassOop k = o->klass(); \ | |
| 2715 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2716 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2717 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2718 /* and creates a ResetNoHandleMark. */ \ | |
| 2719 if (JvmtiExport::should_post_field_access()) { \ | |
| 2720 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2721 } \ | |
| 2722 ret = o->Fieldname##_field(offset); \ | |
| 2723 return ret; \ | |
| 2724 JNI_END | |
| 2725 | |
| 2726 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2727 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2728 DEFINE_GETFIELD(jchar, char, Char) | |
| 2729 DEFINE_GETFIELD(jshort, short, Short) | |
| 2730 DEFINE_GETFIELD(jint, int, Int) | |
| 2731 DEFINE_GETFIELD(jlong, long, Long) | |
| 2732 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2733 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2734 | |
| 4006 | 2735 #else /* USDT2 */ |
| 2736 | |
| 2737 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2738 , EntryProbe, ReturnProbe) \ | |
| 2739 \ | |
| 2740 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2741 , ReturnProbe); \ | |
| 2742 \ | |
| 2743 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2744 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2745 \ | |
| 2746 EntryProbe; \ | |
| 2747 Return ret = 0;\ | |
| 2748 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2749 \ | |
| 2750 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2751 klassOop k = o->klass(); \ | |
| 2752 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2753 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2754 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2755 /* and creates a ResetNoHandleMark. */ \ | |
| 2756 if (JvmtiExport::should_post_field_access()) { \ | |
| 2757 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2758 } \ | |
| 2759 ret = o->Fieldname##_field(offset); \ | |
| 2760 return ret; \ | |
| 2761 JNI_END | |
| 2762 | |
| 2763 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2764 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2765 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2766 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2767 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2768 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2769 DEFINE_GETFIELD(jchar, char, Char | |
| 2770 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2771 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2772 DEFINE_GETFIELD(jshort, short, Short | |
| 2773 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2774 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2775 DEFINE_GETFIELD(jint, int, Int | |
| 2776 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2777 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2778 DEFINE_GETFIELD(jlong, long, Long | |
| 2779 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2780 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2781 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2782 DEFINE_GETFIELD(jfloat, float, Float | |
| 2783 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2784 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2785 DEFINE_GETFIELD(jdouble, double, Double | |
| 2786 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2787 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2788 #endif /* USDT2 */ | |
| 2789 | |
| 0 | 2790 address jni_GetBooleanField_addr() { |
| 2791 return (address)jni_GetBooleanField; | |
| 2792 } | |
| 2793 address jni_GetByteField_addr() { | |
| 2794 return (address)jni_GetByteField; | |
| 2795 } | |
| 2796 address jni_GetCharField_addr() { | |
| 2797 return (address)jni_GetCharField; | |
| 2798 } | |
| 2799 address jni_GetShortField_addr() { | |
| 2800 return (address)jni_GetShortField; | |
| 2801 } | |
| 2802 address jni_GetIntField_addr() { | |
| 2803 return (address)jni_GetIntField; | |
| 2804 } | |
| 2805 address jni_GetLongField_addr() { | |
| 2806 return (address)jni_GetLongField; | |
| 2807 } | |
| 2808 address jni_GetFloatField_addr() { | |
| 2809 return (address)jni_GetFloatField; | |
| 2810 } | |
| 2811 address jni_GetDoubleField_addr() { | |
| 2812 return (address)jni_GetDoubleField; | |
| 2813 } | |
| 2814 | |
| 2815 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2816 JNIWrapper("SetObjectField"); | |
| 4006 | 2817 #ifndef USDT2 |
| 0 | 2818 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2819 #else /* USDT2 */ |
| 2820 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2821 env, obj, (uintptr_t) fieldID, value); | |
| 2822 #endif /* USDT2 */ | |
| 0 | 2823 oop o = JNIHandles::resolve_non_null(obj); |
| 2824 klassOop k = o->klass(); | |
| 2825 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2826 // Keep JVMTI addition small and only check enabled flag here. | |
| 2827 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2828 // and creates a ResetNoHandleMark. | |
| 2829 if (JvmtiExport::should_post_field_modification()) { | |
| 2830 jvalue field_value; | |
| 2831 field_value.l = value; | |
| 2832 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2833 } | |
| 2834 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2835 #ifndef USDT2 |
| 0 | 2836 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2837 #else /* USDT2 */ |
| 2838 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2839 ); | |
| 2840 #endif /* USDT2 */ | |
| 0 | 2841 JNI_END |
| 2842 | |
| 4006 | 2843 #ifndef USDT2 |
| 0 | 2844 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2845 \ | |
| 2846 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2847 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2848 \ | |
| 2849 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, Set##Result##Field__entry, \ | |
| 2850 ( JNIEnv*, jobject, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
| 2851 HS_DTRACE_PROBE_N(hotspot_jni, Set##Result##Field__entry, \ | |
| 2852 ( env, obj, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
| 2853 \ | |
| 2854 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2855 klassOop k = o->klass(); \ | |
| 2856 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2857 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2858 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2859 /* and creates a ResetNoHandleMark. */ \ | |
| 2860 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2861 jvalue field_value; \ | |
| 2862 field_value.unionType = value; \ | |
| 2863 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2864 } \ | |
| 2865 o->Fieldname##_field_put(offset, value); \ | |
| 2866 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2867 JNI_END | |
| 2868 | |
| 2869 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2870 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2871 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2872 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2873 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2874 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2875 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2876 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2877 | |
| 4006 | 2878 #else /* USDT2 */ |
| 2879 | |
| 2880 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2881 , EntryProbe, ReturnProbe) \ | |
| 2882 \ | |
| 2883 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2884 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2885 \ | |
| 2886 EntryProbe; \ | |
| 2887 \ | |
| 2888 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2889 klassOop k = o->klass(); \ | |
| 2890 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2891 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2892 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2893 /* and creates a ResetNoHandleMark. */ \ | |
| 2894 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2895 jvalue field_value; \ | |
| 2896 field_value.unionType = value; \ | |
| 2897 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2898 } \ | |
| 2899 o->Fieldname##_field_put(offset, value); \ | |
| 2900 ReturnProbe; \ | |
| 2901 JNI_END | |
| 2902 | |
| 2903 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2904 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2905 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2906 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2907 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2908 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2909 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2910 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2911 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2912 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2913 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2914 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2915 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2916 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2917 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2918 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2919 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2920 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2921 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2922 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2923 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2924 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2925 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2926 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2927 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2928 #endif /* USDT2 */ | |
| 2929 | |
| 2930 #ifndef USDT2 | |
| 0 | 2931 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2932 #else /* USDT2 */ |
| 2933 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2934 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2935 #endif /* USDT2 */ | |
| 0 | 2936 |
| 2937 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2938 JNIWrapper("ToReflectedField"); | |
| 4006 | 2939 #ifndef USDT2 |
| 0 | 2940 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2941 env, cls, fieldID, isStatic); | |
| 4006 | 2942 #else /* USDT2 */ |
| 2943 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2944 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2945 #endif /* USDT2 */ | |
| 0 | 2946 jobject ret = NULL; |
| 2947 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2948 | |
| 2949 fieldDescriptor fd; | |
| 2950 bool found = false; | |
| 2951 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls)); | |
| 2952 | |
| 2953 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2954 | |
| 2955 if (isStatic) { | |
| 2956 // Static field. The fieldID a JNIid specifying the field holder and the offset within the klassOop. | |
| 2957 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
| 2958 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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2177
diff
changeset
|
2959 found = id->find_local_field(&fd); |
| 0 | 2960 } else { |
| 2961 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2962 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2963 found = instanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); | |
| 2964 } | |
| 2965 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2966 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2967 ret = JNIHandles::make_local(env, reflected); | |
| 2968 return ret; | |
| 2969 JNI_END | |
| 2970 | |
| 2971 | |
| 2972 // | |
| 2973 // Accessing Static Fields | |
| 2974 // | |
| 4006 | 2975 #ifndef USDT2 |
| 0 | 2976 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2977 #else /* USDT2 */ |
| 2978 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2979 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2980 #endif /* USDT2 */ | |
| 0 | 2981 |
| 2982 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2983 const char *name, const char *sig)) | |
| 2984 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2985 #ifndef USDT2 |
| 0 | 2986 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2987 #else /* USDT2 */ |
| 2988 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2989 env, clazz, (char *) name, (char *) sig); | |
| 2990 #endif /* USDT2 */ | |
| 0 | 2991 jfieldID ret = NULL; |
| 2992 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2993 | |
| 2994 // The class should have been loaded (we have an instance of the class | |
| 2995 // passed in) so the field and signature should already be in the symbol | |
| 2996 // table. If they're not there, the field doesn't exist. | |
|
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diff
changeset
|
2997 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
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1989
diff
changeset
|
2998 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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1989
diff
changeset
|
2999 if (fieldname == NULL || signame == NULL) { |
| 0 | 3000 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 3001 } | |
| 3002 KlassHandle k(THREAD, | |
| 3003 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 3004 // Make sure class is initialized before handing id's out to static fields | |
| 3005 Klass::cast(k())->initialize(CHECK_NULL); | |
| 3006 | |
| 3007 fieldDescriptor fd; | |
| 3008 if (!Klass::cast(k())->oop_is_instance() || | |
|
2177
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diff
changeset
|
3009 !instanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 3010 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 3011 } | |
| 3012 | |
| 3013 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
| 3014 JNIid* id = instanceKlass::cast(fd.field_holder())->jni_id_for(fd.offset()); | |
| 3015 debug_only(id->set_is_static_field_id();) | |
| 3016 | |
|
2376
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never
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2177
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changeset
|
3017 debug_only(id->verify(fd.field_holder())); |
| 0 | 3018 |
| 3019 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 3020 return ret; | |
| 3021 JNI_END | |
| 3022 | |
| 3023 | |
| 3024 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 3025 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 3026 #ifndef USDT2 |
| 0 | 3027 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 3028 #else /* USDT2 */ |
| 3029 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 3030 env, clazz, (uintptr_t) fieldID); | |
| 3031 #endif /* USDT2 */ | |
| 0 | 3032 #ifndef JNICHECK_KERNEL |
| 3033 DEBUG_ONLY(klassOop param_k = jniCheck::validate_class(thread, clazz);) | |
| 3034 #endif // JNICHECK_KERNEL | |
| 3035 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
| 3036 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3037 // Keep JVMTI addition small and only check enabled flag here. | |
| 3038 // jni_GetField_probe() assumes that is okay to create handles. | |
| 3039 if (JvmtiExport::should_post_field_access()) { | |
| 3040 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 3041 } | |
|
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3042 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 3043 #ifndef USDT2 |
| 0 | 3044 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 3045 #else /* USDT2 */ |
| 3046 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 3047 ret); | |
| 3048 #endif /* USDT2 */ | |
| 0 | 3049 return ret; |
| 3050 JNI_END | |
| 3051 | |
| 4006 | 3052 #ifndef USDT2 |
| 0 | 3053 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3054 \ | |
| 3055 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3056 \ | |
| 3057 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3058 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3059 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3060 Return ret = 0;\ | |
| 3061 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3062 (const Return&)ret);\ | |
| 3063 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3064 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3065 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3066 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3067 if (JvmtiExport::should_post_field_access()) { \ | |
| 3068 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3069 } \ | |
|
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3070 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3071 return ret;\ |
| 3072 JNI_END | |
| 3073 | |
| 3074 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3075 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3076 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3077 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3078 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3079 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3080 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3081 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3082 | |
| 4006 | 3083 #else /* USDT2 */ |
| 3084 | |
| 3085 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3086 , EntryProbe, ReturnProbe) \ | |
| 3087 \ | |
| 3088 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3089 , ReturnProbe); \ | |
| 3090 \ | |
| 3091 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3092 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3093 EntryProbe; \ | |
| 3094 Return ret = 0;\ | |
| 3095 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3096 (const Return&)ret);\ | |
| 3097 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3098 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3099 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3100 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3101 if (JvmtiExport::should_post_field_access()) { \ | |
| 3102 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3103 } \ | |
| 3104 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3105 return ret;\ | |
| 3106 JNI_END | |
| 3107 | |
| 3108 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3109 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3110 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3111 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3112 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3113 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3114 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3115 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3116 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3117 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3118 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3119 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3120 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3121 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3122 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3123 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3124 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3125 #endif /* USDT2 */ | |
| 0 | 3126 |
| 3127 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3128 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3129 #ifndef USDT2 |
| 0 | 3130 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3131 #else /* USDT2 */ |
| 3132 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3133 env, clazz, (uintptr_t) fieldID, value); | |
| 3134 #endif /* USDT2 */ | |
| 0 | 3135 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3136 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3137 // Keep JVMTI addition small and only check enabled flag here. | |
| 3138 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3139 if (JvmtiExport::should_post_field_modification()) { | |
| 3140 jvalue field_value; | |
| 3141 field_value.l = value; | |
| 3142 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3143 } | |
|
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3144 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3145 #ifndef USDT2 |
| 0 | 3146 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3147 #else /* USDT2 */ |
| 3148 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3149 ); | |
| 3150 #endif /* USDT2 */ | |
| 0 | 3151 JNI_END |
| 3152 | |
| 3153 | |
| 4006 | 3154 #ifndef USDT2 |
| 0 | 3155 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3156 \ | |
| 3157 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3158 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3159 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, SetStatic##Result##Field__entry,\ | |
| 3160 ( JNIEnv*, jclass, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
| 3161 HS_DTRACE_PROBE_N(hotspot_jni, SetStatic##Result##Field__entry, \ | |
| 3162 ( env, clazz, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
| 3163 \ | |
| 3164 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3165 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3166 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3167 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3168 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3169 jvalue field_value; \ | |
| 3170 field_value.unionType = value; \ | |
| 3171 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3172 } \ | |
|
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|
3173 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3174 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3175 JNI_END | |
| 3176 | |
| 3177 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3178 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3179 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3180 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3181 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3182 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3183 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3184 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3185 | |
| 4006 | 3186 #else /* USDT2 */ |
| 3187 | |
| 3188 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3189 , EntryProbe, ReturnProbe) \ | |
| 3190 \ | |
| 3191 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3192 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3193 EntryProbe; \ | |
| 3194 \ | |
| 3195 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3196 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3197 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3198 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3199 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3200 jvalue field_value; \ | |
| 3201 field_value.unionType = value; \ | |
| 3202 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3203 } \ | |
| 3204 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3205 ReturnProbe;\ | |
| 3206 JNI_END | |
| 3207 | |
| 3208 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3209 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3210 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3211 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3212 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3213 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3214 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3215 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3216 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3217 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3218 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3219 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3220 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3221 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3222 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3223 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3224 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3225 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3226 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3227 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3228 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3229 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3230 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3231 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3232 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3233 #endif /* USDT2 */ | |
| 0 | 3234 |
| 3235 // | |
| 3236 // String Operations | |
| 3237 // | |
| 3238 | |
| 3239 // Unicode Interface | |
| 3240 | |
| 4006 | 3241 #ifndef USDT2 |
| 0 | 3242 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3243 #else /* USDT2 */ |
| 3244 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3245 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3246 #endif /* USDT2 */ | |
| 0 | 3247 |
| 3248 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3249 JNIWrapper("NewString"); | |
| 4006 | 3250 #ifndef USDT2 |
| 0 | 3251 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3252 #else /* USDT2 */ |
| 3253 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3254 env, (uint16_t *) unicodeChars, len); | |
| 3255 #endif /* USDT2 */ | |
| 0 | 3256 jstring ret = NULL; |
| 3257 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3258 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3259 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3260 return ret; | |
| 3261 JNI_END | |
| 3262 | |
| 3263 | |
| 3264 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3265 JNIWrapper("GetStringLength"); | |
| 4006 | 3266 #ifndef USDT2 |
| 0 | 3267 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3268 #else /* USDT2 */ |
| 3269 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3270 env, string); | |
| 3271 #endif /* USDT2 */ | |
| 0 | 3272 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3273 #ifndef USDT2 |
| 0 | 3274 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3275 #else /* USDT2 */ |
| 3276 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3277 ret); | |
| 3278 #endif /* USDT2 */ | |
| 0 | 3279 return ret; |
| 3280 JNI_END | |
| 3281 | |
| 3282 | |
| 3283 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3284 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3285 JNIWrapper("GetStringChars"); | |
| 4006 | 3286 #ifndef USDT2 |
| 0 | 3287 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3288 #else /* USDT2 */ |
| 3289 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3290 env, string, (uintptr_t *) isCopy); | |
| 3291 #endif /* USDT2 */ | |
| 0 | 3292 //%note jni_5 |
| 3293 if (isCopy != NULL) { | |
| 3294 *isCopy = JNI_TRUE; | |
| 3295 } | |
| 3296 oop s = JNIHandles::resolve_non_null(string); | |
| 3297 int s_len = java_lang_String::length(s); | |
| 3298 typeArrayOop s_value = java_lang_String::value(s); | |
| 3299 int s_offset = java_lang_String::offset(s); | |
| 3300 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1); // add one for zero termination | |
| 3301 if (s_len > 0) { | |
| 3302 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
| 3303 } | |
| 3304 buf[s_len] = 0; | |
| 4006 | 3305 #ifndef USDT2 |
| 0 | 3306 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3307 #else /* USDT2 */ |
| 3308 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3309 buf); | |
| 3310 #endif /* USDT2 */ | |
| 0 | 3311 return buf; |
| 3312 JNI_END | |
| 3313 | |
| 3314 | |
| 3315 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3316 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3317 #ifndef USDT2 |
| 0 | 3318 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3319 #else /* USDT2 */ |
| 3320 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3321 env, str, (uint16_t *) chars); | |
| 3322 #endif /* USDT2 */ | |
| 0 | 3323 //%note jni_6 |
| 3324 if (chars != NULL) { | |
| 3325 // Since String objects are supposed to be immutable, don't copy any | |
| 3326 // new data back. A bad user will have to go after the char array. | |
| 3327 FreeHeap((void*) chars); | |
| 3328 } | |
| 4006 | 3329 #ifndef USDT2 |
| 0 | 3330 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3331 #else /* USDT2 */ |
| 3332 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3333 ); | |
| 3334 #endif /* USDT2 */ | |
| 0 | 3335 JNI_END |
| 3336 | |
| 3337 | |
| 3338 // UTF Interface | |
| 3339 | |
| 4006 | 3340 #ifndef USDT2 |
| 0 | 3341 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3342 #else /* USDT2 */ |
| 3343 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3344 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3345 #endif /* USDT2 */ | |
| 0 | 3346 |
| 3347 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3348 JNIWrapper("NewStringUTF"); | |
| 4006 | 3349 #ifndef USDT2 |
| 0 | 3350 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3351 #else /* USDT2 */ |
| 3352 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3353 env, (char *) bytes); | |
| 3354 #endif /* USDT2 */ | |
| 0 | 3355 jstring ret; |
| 3356 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3357 | |
| 3358 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3359 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3360 return ret; | |
| 3361 JNI_END | |
| 3362 | |
| 3363 | |
| 3364 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3365 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3366 #ifndef USDT2 |
| 0 | 3367 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3368 #else /* USDT2 */ |
| 3369 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3370 env, string); | |
| 3371 #endif /* USDT2 */ | |
| 0 | 3372 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3373 #ifndef USDT2 |
| 0 | 3374 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3375 #else /* USDT2 */ |
| 3376 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3377 ret); | |
| 3378 #endif /* USDT2 */ | |
| 0 | 3379 return ret; |
| 3380 JNI_END | |
| 3381 | |
| 3382 | |
| 3383 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3384 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3385 #ifndef USDT2 |
| 0 | 3386 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3387 #else /* USDT2 */ |
| 3388 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3389 env, string, (uintptr_t *) isCopy); | |
| 3390 #endif /* USDT2 */ | |
|
1989
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parents:
1980
diff
changeset
|
3391 oop java_string = JNIHandles::resolve_non_null(string); |
|
017cd8bce8a8
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sla
parents:
1980
diff
changeset
|
3392 size_t length = java_lang_String::utf8_length(java_string); |
|
017cd8bce8a8
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sla
parents:
1980
diff
changeset
|
3393 char* result = AllocateHeap(length + 1, "GetStringUTFChars"); |
|
017cd8bce8a8
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sla
parents:
1980
diff
changeset
|
3394 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
| 0 | 3395 if (isCopy != NULL) *isCopy = JNI_TRUE; |
| 4006 | 3396 #ifndef USDT2 |
| 0 | 3397 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3398 #else /* USDT2 */ |
| 3399 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3400 result); | |
| 3401 #endif /* USDT2 */ | |
| 0 | 3402 return result; |
| 3403 JNI_END | |
| 3404 | |
| 3405 | |
| 3406 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3407 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3408 #ifndef USDT2 |
| 0 | 3409 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3410 #else /* USDT2 */ |
| 3411 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3412 env, str, (char *) chars); | |
| 3413 #endif /* USDT2 */ | |
| 0 | 3414 if (chars != NULL) { |
| 3415 FreeHeap((char*) chars); | |
| 3416 } | |
| 4006 | 3417 #ifndef USDT2 |
| 0 | 3418 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3419 #else /* USDT2 */ |
| 3420 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3421 ); | |
| 3422 #endif /* USDT2 */ | |
| 0 | 3423 JNI_END |
| 3424 | |
| 3425 | |
| 3426 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3427 JNIWrapper("GetArrayLength"); | |
| 4006 | 3428 #ifndef USDT2 |
| 0 | 3429 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3430 #else /* USDT2 */ |
| 3431 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3432 env, array); | |
| 3433 #endif /* USDT2 */ | |
| 0 | 3434 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3435 assert(a->is_array(), "must be array"); | |
| 3436 jsize ret = a->length(); | |
| 4006 | 3437 #ifndef USDT2 |
| 0 | 3438 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3439 #else /* USDT2 */ |
| 3440 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3441 ret); | |
| 3442 #endif /* USDT2 */ | |
| 0 | 3443 return ret; |
| 3444 JNI_END | |
| 3445 | |
| 3446 | |
| 3447 // | |
| 3448 // Object Array Operations | |
| 3449 // | |
| 3450 | |
| 4006 | 3451 #ifndef USDT2 |
| 0 | 3452 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3453 #else /* USDT2 */ |
| 3454 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3455 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3456 #endif /* USDT2 */ | |
| 0 | 3457 |
| 3458 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3459 JNIWrapper("NewObjectArray"); | |
| 4006 | 3460 #ifndef USDT2 |
| 0 | 3461 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3462 #else /* USDT2 */ |
| 3463 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3464 env, length, elementClass, initialElement); | |
| 3465 #endif /* USDT2 */ | |
| 0 | 3466 jobjectArray ret = NULL; |
| 3467 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
| 3468 KlassHandle ek(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(elementClass))); | |
| 3469 klassOop ako = Klass::cast(ek())->array_klass(CHECK_NULL); | |
| 3470 KlassHandle ak = KlassHandle(THREAD, ako); | |
| 3471 objArrayKlass::cast(ak())->initialize(CHECK_NULL); | |
| 3472 objArrayOop result = objArrayKlass::cast(ak())->allocate(length, CHECK_NULL); | |
| 3473 oop initial_value = JNIHandles::resolve(initialElement); | |
| 3474 if (initial_value != NULL) { // array already initialized with NULL | |
| 3475 for (int index = 0; index < length; index++) { | |
| 3476 result->obj_at_put(index, initial_value); | |
| 3477 } | |
| 3478 } | |
| 3479 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3480 return ret; | |
| 3481 JNI_END | |
| 3482 | |
| 4006 | 3483 #ifndef USDT2 |
| 0 | 3484 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3485 #else /* USDT2 */ |
| 3486 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3487 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3488 #endif /* USDT2 */ | |
| 0 | 3489 |
| 3490 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3491 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3492 #ifndef USDT2 |
| 0 | 3493 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3494 #else /* USDT2 */ |
| 3495 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3496 env, array, index); | |
| 3497 #endif /* USDT2 */ | |
| 0 | 3498 jobject ret = NULL; |
| 3499 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3500 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3501 if (a->is_within_bounds(index)) { | |
|
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|
3502 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3503 return ret; |
| 3504 } else { | |
| 3505 char buf[jintAsStringSize]; | |
| 3506 sprintf(buf, "%d", index); | |
| 3507 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3508 } | |
| 3509 JNI_END | |
| 3510 | |
| 4006 | 3511 #ifndef USDT2 |
| 0 | 3512 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3513 #else /* USDT2 */ |
| 3514 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3515 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3516 #endif /* USDT2 */ | |
| 0 | 3517 |
| 3518 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3519 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3520 #ifndef USDT2 |
| 0 | 3521 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3522 #else /* USDT2 */ |
| 3523 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3524 env, array, index, value); | |
| 3525 #endif /* USDT2 */ | |
| 0 | 3526 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3527 | |
| 3528 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3529 oop v = JNIHandles::resolve(value); | |
| 3530 if (a->is_within_bounds(index)) { | |
| 3531 if (v == NULL || v->is_a(objArrayKlass::cast(a->klass())->element_klass())) { | |
| 3532 a->obj_at_put(index, v); | |
| 3533 } else { | |
| 3534 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3535 } | |
| 3536 } else { | |
| 3537 char buf[jintAsStringSize]; | |
| 3538 sprintf(buf, "%d", index); | |
| 3539 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3540 } | |
| 3541 JNI_END | |
| 3542 | |
| 3543 | |
| 4006 | 3544 #ifndef USDT2 |
| 0 | 3545 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3546 \ | |
| 4006 | 3547 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3548 \ |
| 3549 JNI_ENTRY(Return, \ | |
| 3550 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3551 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3552 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3553 Return ret = NULL;\ | |
|
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|
3554 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3555 \ |
| 3556 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3557 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3558 return ret;\ | |
| 3559 JNI_END | |
| 3560 | |
| 3561 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3562 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3563 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3564 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3565 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3566 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3567 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3568 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3569 | |
| 4006 | 3570 #else /* USDT2 */ |
| 3571 | |
| 3572 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3573 ,EntryProbe,ReturnProbe) \ | |
| 3574 \ | |
| 3575 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3576 , ReturnProbe); \ | |
| 3577 \ | |
| 3578 JNI_ENTRY(Return, \ | |
| 3579 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3580 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3581 EntryProbe; \ | |
| 3582 Return ret = NULL;\ | |
| 3583 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3584 \ | |
| 3585 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3586 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3587 return ret;\ | |
| 3588 JNI_END | |
| 3589 | |
| 3590 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3591 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3592 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3593 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3594 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3595 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3596 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3597 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3598 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3599 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3600 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3601 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3602 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3603 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3604 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3605 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3606 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3607 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3608 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3609 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3610 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3611 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3612 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3613 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3614 #endif /* USDT2 */ | |
| 0 | 3615 |
| 3616 // Return an address which will fault if the caller writes to it. | |
| 3617 | |
| 3618 static char* get_bad_address() { | |
| 3619 static char* bad_address = NULL; | |
| 3620 if (bad_address == NULL) { | |
| 3621 size_t size = os::vm_allocation_granularity(); | |
| 3622 bad_address = os::reserve_memory(size); | |
| 3623 if (bad_address != NULL) { | |
|
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|
3624 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
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|
3625 /*is_committed*/false); |
| 0 | 3626 } |
| 3627 } | |
| 3628 return bad_address; | |
| 3629 } | |
| 3630 | |
| 3631 | |
| 4006 | 3632 #ifndef USDT2 |
| 0 | 3633 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3634 \ | |
| 3635 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3636 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3637 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3638 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3639 /* allocate an chunk of memory in c land */ \ | |
| 3640 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3641 ElementType* result; \ | |
| 3642 int len = a->length(); \ | |
| 3643 if (len == 0) { \ | |
| 3644 /* Empty array: legal but useless, can't return NULL. \ | |
| 3645 * Return a pointer to something useless. \ | |
| 3646 * Avoid asserts in typeArrayOop. */ \ | |
| 3647 result = (ElementType*)get_bad_address(); \ | |
| 3648 } else { \ | |
| 3649 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
| 3650 /* copy the array to the c chunk */ \ | |
| 3651 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3652 } \ | |
| 3653 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3654 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3655 return result; \ | |
| 3656 JNI_END | |
| 3657 | |
| 3658 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3659 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3660 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3661 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3662 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3663 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3664 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3665 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3666 | |
| 4006 | 3667 #else /* USDT2 */ |
| 3668 | |
| 3669 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3670 , EntryProbe, ReturnProbe) \ | |
| 3671 \ | |
| 3672 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3673 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3674 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3675 EntryProbe; \ | |
| 3676 /* allocate an chunk of memory in c land */ \ | |
| 3677 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3678 ElementType* result; \ | |
| 3679 int len = a->length(); \ | |
| 3680 if (len == 0) { \ | |
| 3681 /* Empty array: legal but useless, can't return NULL. \ | |
| 3682 * Return a pointer to something useless. \ | |
| 3683 * Avoid asserts in typeArrayOop. */ \ | |
| 3684 result = (ElementType*)get_bad_address(); \ | |
| 3685 } else { \ | |
| 3686 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
| 3687 /* copy the array to the c chunk */ \ | |
| 3688 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3689 } \ | |
| 3690 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3691 ReturnProbe; \ | |
| 3692 return result; \ | |
| 3693 JNI_END | |
| 3694 | |
| 3695 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3696 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3697 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3698 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3699 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3700 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3701 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3702 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3703 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3704 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3705 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3706 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3707 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3708 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3709 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3710 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3711 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3712 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3713 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3714 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3715 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3716 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3717 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3718 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3719 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3720 #endif /* USDT2 */ | |
| 3721 | |
| 3722 #ifndef USDT2 | |
| 0 | 3723 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3724 \ | |
| 3725 JNI_QUICK_ENTRY(void, \ | |
| 3726 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3727 ElementType *buf, jint mode)) \ | |
| 3728 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3729 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3730 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3731 int len = a->length(); \ | |
| 3732 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3733 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3734 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3735 } \ | |
| 3736 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3737 FreeHeap(buf); \ | |
| 3738 } \ | |
| 3739 } \ | |
| 3740 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3741 JNI_END | |
| 3742 | |
| 3743 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3744 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3745 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3747 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3748 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3750 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3751 | |
| 4006 | 3752 #else /* USDT2 */ |
| 3753 | |
| 3754 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3755 , EntryProbe, ReturnProbe);\ | |
| 3756 \ | |
| 3757 JNI_QUICK_ENTRY(void, \ | |
| 3758 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3759 ElementType *buf, jint mode)) \ | |
| 3760 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3761 EntryProbe; \ | |
| 3762 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3763 int len = a->length(); \ | |
| 3764 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3765 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3766 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3767 } \ | |
| 3768 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3769 FreeHeap(buf); \ | |
| 3770 } \ | |
| 3771 } \ | |
| 3772 ReturnProbe; \ | |
| 3773 JNI_END | |
| 3774 | |
| 3775 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3776 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3777 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3778 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3779 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3780 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3781 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3782 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3783 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3784 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3785 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3786 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3787 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3788 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3789 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3790 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3791 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3792 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3793 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3794 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3795 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3796 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3797 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3798 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3799 #endif /* USDT2 */ | |
| 3800 | |
| 3801 #ifndef USDT2 | |
| 0 | 3802 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3803 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3804 \ | |
| 3805 JNI_ENTRY(void, \ | |
| 3806 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3807 jsize len, ElementType *buf)) \ | |
| 3808 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3809 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3810 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3811 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3812 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3813 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3814 } else { \ | |
| 3815 if (len > 0) { \ | |
| 3816 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
| 3817 memcpy((u_char*) buf, \ | |
| 3818 (u_char*) src->Tag##_at_addr(start), \ | |
| 3819 len << sc); \ | |
| 3820 } \ | |
| 3821 } \ | |
| 3822 JNI_END | |
| 3823 | |
| 3824 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3825 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3826 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3827 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3828 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3829 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3830 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3831 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3832 | |
| 4006 | 3833 #else /* USDT2 */ |
| 3834 | |
| 3835 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3836 , EntryProbe, ReturnProbe); \ | |
| 3837 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3838 , ReturnProbe); \ | |
| 3839 \ | |
| 3840 JNI_ENTRY(void, \ | |
| 3841 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3842 jsize len, ElementType *buf)) \ | |
| 3843 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3844 EntryProbe; \ | |
| 3845 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3846 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3847 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3848 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3849 } else { \ | |
| 3850 if (len > 0) { \ | |
| 3851 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
| 3852 memcpy((u_char*) buf, \ | |
| 3853 (u_char*) src->Tag##_at_addr(start), \ | |
| 3854 len << sc); \ | |
| 3855 } \ | |
| 3856 } \ | |
| 3857 JNI_END | |
| 3858 | |
| 3859 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3860 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3861 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3862 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3863 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3864 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3865 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3866 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3867 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3868 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3869 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3870 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3871 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3872 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3873 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3874 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3875 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3876 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3877 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3878 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3879 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3880 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3881 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3882 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3883 #endif /* USDT2 */ | |
| 3884 | |
| 3885 #ifndef USDT2 | |
| 0 | 3886 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3887 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3888 \ | |
| 3889 JNI_ENTRY(void, \ | |
| 3890 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3891 jsize len, const ElementType *buf)) \ | |
| 3892 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3893 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3894 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3895 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3896 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3897 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3898 } else { \ | |
| 3899 if (len > 0) { \ | |
| 3900 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
| 3901 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
| 3902 (u_char*) buf, \ | |
| 3903 len << sc); \ | |
| 3904 } \ | |
| 3905 } \ | |
| 3906 JNI_END | |
| 3907 | |
| 3908 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3909 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3910 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3911 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3912 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3913 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3914 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3915 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3916 | |
| 4006 | 3917 #else /* USDT2 */ |
| 3918 | |
| 3919 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3920 , EntryProbe, ReturnProbe); \ | |
| 3921 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3922 ,ReturnProbe); \ | |
| 3923 \ | |
| 3924 JNI_ENTRY(void, \ | |
| 3925 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3926 jsize len, const ElementType *buf)) \ | |
| 3927 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3928 EntryProbe; \ | |
| 3929 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3930 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3931 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3932 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3933 } else { \ | |
| 3934 if (len > 0) { \ | |
| 3935 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
| 3936 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
| 3937 (u_char*) buf, \ | |
| 3938 len << sc); \ | |
| 3939 } \ | |
| 3940 } \ | |
| 3941 JNI_END | |
| 3942 | |
| 3943 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3944 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3945 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3946 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3947 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3948 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3949 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3950 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3951 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3952 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3953 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3954 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3955 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3956 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3957 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3958 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3959 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3960 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3961 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3962 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3963 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3964 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3965 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3966 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3967 #endif /* USDT2 */ | |
| 3968 | |
| 0 | 3969 |
| 3970 // | |
| 3971 // Interception of natives | |
| 3972 // | |
| 3973 | |
| 3974 // The RegisterNatives call being attempted tried to register with a method that | |
| 3975 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3976 // to see if the native method is now wrapped with the prefixes. See the | |
| 3977 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
| 3978 static methodOop find_prefixed_native(KlassHandle k, | |
|
2177
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diff
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|
3979 Symbol* name, Symbol* signature, TRAPS) { |
| 0 | 3980 ResourceMark rm(THREAD); |
| 3981 methodOop method; | |
| 3982 int name_len = name->utf8_length(); | |
| 3983 char* name_str = name->as_utf8(); | |
| 3984 int prefix_count; | |
| 3985 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3986 for (int i = 0; i < prefix_count; i++) { | |
| 3987 char* prefix = prefixes[i]; | |
| 3988 int prefix_len = (int)strlen(prefix); | |
| 3989 | |
| 3990 // try adding this prefix to the method name and see if it matches another method name | |
| 3991 int trial_len = name_len + prefix_len; | |
| 3992 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3993 strcpy(trial_name_str, prefix); | |
| 3994 strcat(trial_name_str, name_str); | |
|
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diff
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|
3995 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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parents:
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diff
changeset
|
3996 if (trial_name == NULL) { |
| 0 | 3997 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3998 } | |
|
2177
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diff
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|
3999 method = Klass::cast(k())->lookup_method(trial_name, signature); |
| 0 | 4000 if (method == NULL) { |
| 4001 continue; // signature doesn't match, try the next prefix | |
| 4002 } | |
| 4003 if (method->is_native()) { | |
| 4004 method->set_is_prefixed_native(); | |
| 4005 return method; // wahoo, we found a prefixed version of the method, return it | |
| 4006 } | |
| 4007 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 4008 name_len = trial_len; | |
| 4009 name_str = trial_name_str; | |
| 4010 } | |
| 4011 return NULL; // not found | |
| 4012 } | |
| 4013 | |
|
2177
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1989
diff
changeset
|
4014 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
4015 methodOop method = Klass::cast(k())->lookup_method(name, signature); |
| 0 | 4016 if (method == NULL) { |
| 4017 ResourceMark rm; | |
| 4018 stringStream st; | |
| 4019 st.print("Method %s name or signature does not match", | |
|
2177
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diff
changeset
|
4020 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
| 0 | 4021 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4022 } | |
| 4023 if (!method->is_native()) { | |
| 4024 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 4025 method = find_prefixed_native(k, name, signature, THREAD); | |
| 4026 if (method == NULL) { | |
| 4027 ResourceMark rm; | |
| 4028 stringStream st; | |
| 4029 st.print("Method %s is not declared as native", | |
|
2177
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parents:
1989
diff
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|
4030 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
| 0 | 4031 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4032 } | |
| 4033 } | |
| 4034 | |
| 4035 if (entry != NULL) { | |
| 4036 method->set_native_function(entry, | |
| 4037 methodOopDesc::native_bind_event_is_interesting); | |
| 4038 } else { | |
| 4039 method->clear_native_function(); | |
| 4040 } | |
| 4041 if (PrintJNIResolving) { | |
| 4042 ResourceMark rm(THREAD); | |
| 4043 tty->print_cr("[Registering JNI native method %s.%s]", | |
| 4044 Klass::cast(method->method_holder())->external_name(), | |
| 4045 method->name()->as_C_string()); | |
| 4046 } | |
| 4047 return true; | |
| 4048 } | |
| 4049 | |
| 4006 | 4050 #ifndef USDT2 |
| 0 | 4051 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4052 #else /* USDT2 */ |
| 4053 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4054 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4055 #endif /* USDT2 */ | |
| 0 | 4056 |
| 4057 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4058 const JNINativeMethod *methods, | |
| 4059 jint nMethods)) | |
| 4060 JNIWrapper("RegisterNatives"); | |
| 4006 | 4061 #ifndef USDT2 |
| 0 | 4062 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4063 #else /* USDT2 */ |
| 4064 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4065 env, clazz, (void *) methods, nMethods); | |
| 4066 #endif /* USDT2 */ | |
| 0 | 4067 jint ret = 0; |
| 4068 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4069 | |
| 4070 KlassHandle h_k(thread, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 4071 | |
| 4072 for (int index = 0; index < nMethods; index++) { | |
| 4073 const char* meth_name = methods[index].name; | |
| 4074 const char* meth_sig = methods[index].signature; | |
| 4075 int meth_name_len = (int)strlen(meth_name); | |
| 4076 | |
| 4077 // The class should have been loaded (we have an instance of the class | |
| 4078 // passed in) so the method and signature should already be in the symbol | |
| 4079 // table. If they're not there, the method doesn't exist. | |
|
2177
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diff
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|
4080 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
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1989
diff
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|
4081 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
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diff
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|
4082 |
|
3582bf76420e
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diff
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|
4083 if (name == NULL || signature == NULL) { |
| 0 | 4084 ResourceMark rm; |
| 4085 stringStream st; | |
| 4086 st.print("Method %s.%s%s not found", Klass::cast(h_k())->external_name(), meth_name, meth_sig); | |
| 4087 // Must return negative value on failure | |
| 4088 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4089 } | |
| 4090 | |
| 4091 bool res = register_native(h_k, name, signature, | |
| 4092 (address) methods[index].fnPtr, THREAD); | |
| 4093 if (!res) { | |
| 4094 ret = -1; | |
| 4095 break; | |
| 4096 } | |
| 4097 } | |
| 4098 return ret; | |
| 4099 JNI_END | |
| 4100 | |
| 4101 | |
| 4102 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4103 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4104 #ifndef USDT2 |
| 0 | 4105 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4106 #else /* USDT2 */ |
| 4107 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4108 env, clazz); | |
| 4109 #endif /* USDT2 */ | |
| 0 | 4110 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz)); |
| 4111 //%note jni_2 | |
| 4112 if (Klass::cast(k)->oop_is_instance()) { | |
| 4113 for (int index = 0; index < instanceKlass::cast(k)->methods()->length(); index++) { | |
| 4114 methodOop m = methodOop(instanceKlass::cast(k)->methods()->obj_at(index)); | |
| 4115 if (m->is_native()) { | |
| 4116 m->clear_native_function(); | |
| 4117 m->set_signature_handler(NULL); | |
| 4118 } | |
| 4119 } | |
| 4120 } | |
| 4006 | 4121 #ifndef USDT2 |
| 0 | 4122 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4123 #else /* USDT2 */ |
| 4124 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4125 0); | |
| 4126 #endif /* USDT2 */ | |
| 0 | 4127 return 0; |
| 4128 JNI_END | |
| 4129 | |
| 4130 // | |
| 4131 // Monitor functions | |
| 4132 // | |
| 4133 | |
| 4006 | 4134 #ifndef USDT2 |
| 0 | 4135 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4136 #else /* USDT2 */ |
| 4137 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4138 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4139 #endif /* USDT2 */ | |
| 0 | 4140 |
| 4141 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4142 #ifndef USDT2 |
| 0 | 4143 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4144 #else /* USDT2 */ |
| 4145 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4146 env, jobj); | |
| 4147 #endif /* USDT2 */ | |
| 0 | 4148 jint ret = JNI_ERR; |
| 4149 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4150 | |
| 4151 // If the object is null, we can't do anything with it | |
| 4152 if (jobj == NULL) { | |
| 4153 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4154 } | |
| 4155 | |
| 4156 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4157 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4158 ret = JNI_OK; | |
| 4159 return ret; | |
| 4160 JNI_END | |
| 4161 | |
| 4006 | 4162 #ifndef USDT2 |
| 0 | 4163 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4164 #else /* USDT2 */ |
| 4165 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4166 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4167 #endif /* USDT2 */ | |
| 0 | 4168 |
| 4169 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4170 #ifndef USDT2 |
| 0 | 4171 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4172 #else /* USDT2 */ |
| 4173 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4174 env, jobj); | |
| 4175 #endif /* USDT2 */ | |
| 0 | 4176 jint ret = JNI_ERR; |
| 4177 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4178 | |
| 4179 // Don't do anything with a null object | |
| 4180 if (jobj == NULL) { | |
| 4181 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4182 } | |
| 4183 | |
| 4184 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4185 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4186 | |
| 4187 ret = JNI_OK; | |
| 4188 return ret; | |
| 4189 JNI_END | |
| 4190 | |
| 4191 // | |
| 4192 // Extensions | |
| 4193 // | |
| 4194 | |
| 4006 | 4195 #ifndef USDT2 |
| 0 | 4196 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4197 #else /* USDT2 */ |
| 4198 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4199 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4200 #endif /* USDT2 */ | |
| 0 | 4201 |
| 4202 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4203 JNIWrapper("GetStringRegion"); | |
| 4006 | 4204 #ifndef USDT2 |
| 0 | 4205 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4206 #else /* USDT2 */ |
| 4207 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4208 env, string, start, len, buf); | |
| 4209 #endif /* USDT2 */ | |
| 0 | 4210 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4211 oop s = JNIHandles::resolve_non_null(string); | |
| 4212 int s_len = java_lang_String::length(s); | |
| 4213 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4214 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4215 } else { | |
| 4216 if (len > 0) { | |
| 4217 int s_offset = java_lang_String::offset(s); | |
| 4218 typeArrayOop s_value = java_lang_String::value(s); | |
| 4219 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4220 } | |
| 4221 } | |
| 4222 JNI_END | |
| 4223 | |
| 4006 | 4224 #ifndef USDT2 |
| 0 | 4225 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4226 #else /* USDT2 */ |
| 4227 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4228 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4229 #endif /* USDT2 */ | |
| 0 | 4230 |
| 4231 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4232 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4233 #ifndef USDT2 |
| 0 | 4234 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4235 #else /* USDT2 */ |
| 4236 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4237 env, string, start, len, buf); | |
| 4238 #endif /* USDT2 */ | |
| 0 | 4239 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4240 oop s = JNIHandles::resolve_non_null(string); | |
| 4241 int s_len = java_lang_String::length(s); | |
| 4242 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4243 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4244 } else { | |
| 4245 //%note jni_7 | |
| 4246 if (len > 0) { | |
| 4247 ResourceMark rm(THREAD); | |
| 4248 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4249 int utf_len = (int)strlen(utf_region); | |
| 4250 memcpy(buf, utf_region, utf_len); | |
| 4251 buf[utf_len] = 0; | |
| 4252 } else { | |
| 4253 // JDK null-terminates the buffer even in len is zero | |
| 4254 if (buf != NULL) { | |
| 4255 buf[0] = 0; | |
| 4256 } | |
| 4257 } | |
| 4258 } | |
| 4259 JNI_END | |
| 4260 | |
| 4261 | |
| 4262 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4263 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4264 #ifndef USDT2 |
| 0 | 4265 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4266 #else /* USDT2 */ |
| 4267 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4268 env, array, (uintptr_t *) isCopy); | |
| 4269 #endif /* USDT2 */ | |
| 0 | 4270 GC_locker::lock_critical(thread); |
| 4271 if (isCopy != NULL) { | |
| 4272 *isCopy = JNI_FALSE; | |
| 4273 } | |
| 4274 oop a = JNIHandles::resolve_non_null(array); | |
| 4275 assert(a->is_array(), "just checking"); | |
| 4276 BasicType type; | |
| 4277 if (a->is_objArray()) { | |
| 4278 type = T_OBJECT; | |
| 4279 } else { | |
| 4280 type = typeArrayKlass::cast(a->klass())->element_type(); | |
| 4281 } | |
| 4282 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4283 #ifndef USDT2 |
| 0 | 4284 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4285 #else /* USDT2 */ |
| 4286 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4287 ret); | |
| 4288 #endif /* USDT2 */ | |
| 0 | 4289 return ret; |
| 4290 JNI_END | |
| 4291 | |
| 4292 | |
| 4293 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4294 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4295 #ifndef USDT2 |
| 0 | 4296 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4297 #else /* USDT2 */ |
| 4298 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4299 env, array, carray, mode); | |
| 4300 #endif /* USDT2 */ | |
| 0 | 4301 // The array, carray and mode arguments are ignored |
| 4302 GC_locker::unlock_critical(thread); | |
| 4006 | 4303 #ifndef USDT2 |
| 0 | 4304 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4305 #else /* USDT2 */ |
| 4306 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4307 ); | |
| 4308 #endif /* USDT2 */ | |
| 0 | 4309 JNI_END |
| 4310 | |
| 4311 | |
| 4312 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4313 JNIWrapper("GetStringCritical"); | |
| 4006 | 4314 #ifndef USDT2 |
| 0 | 4315 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4316 #else /* USDT2 */ |
| 4317 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4318 env, string, (uintptr_t *) isCopy); | |
| 4319 #endif /* USDT2 */ | |
| 0 | 4320 GC_locker::lock_critical(thread); |
| 4321 if (isCopy != NULL) { | |
| 4322 *isCopy = JNI_FALSE; | |
| 4323 } | |
| 4324 oop s = JNIHandles::resolve_non_null(string); | |
| 4325 int s_len = java_lang_String::length(s); | |
| 4326 typeArrayOop s_value = java_lang_String::value(s); | |
| 4327 int s_offset = java_lang_String::offset(s); | |
| 4328 const jchar* ret; | |
| 4329 if (s_len > 0) { | |
| 4330 ret = s_value->char_at_addr(s_offset); | |
| 4331 } else { | |
| 4332 ret = (jchar*) s_value->base(T_CHAR); | |
| 4333 } | |
| 4006 | 4334 #ifndef USDT2 |
| 0 | 4335 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4336 #else /* USDT2 */ |
| 4337 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4338 (uint16_t *) ret); | |
| 4339 #endif /* USDT2 */ | |
| 0 | 4340 return ret; |
| 4341 JNI_END | |
| 4342 | |
| 4343 | |
| 4344 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4345 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4346 #ifndef USDT2 |
| 0 | 4347 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4348 #else /* USDT2 */ |
| 4349 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4350 env, str, (uint16_t *) chars); | |
| 4351 #endif /* USDT2 */ | |
| 0 | 4352 // The str and chars arguments are ignored |
| 4353 GC_locker::unlock_critical(thread); | |
| 4006 | 4354 #ifndef USDT2 |
| 0 | 4355 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4356 #else /* USDT2 */ |
| 4357 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4358 ); | |
| 4359 #endif /* USDT2 */ | |
| 0 | 4360 JNI_END |
| 4361 | |
| 4362 | |
| 4363 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4364 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4365 #ifndef USDT2 |
| 0 | 4366 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4367 #else /* USDT2 */ |
| 4368 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4369 env, ref); | |
| 4370 #endif /* USDT2 */ | |
| 0 | 4371 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4372 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4373 #ifndef USDT2 |
| 0 | 4374 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4375 #else /* USDT2 */ |
| 4376 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4377 ret); | |
| 4378 #endif /* USDT2 */ | |
| 0 | 4379 return ret; |
| 4380 JNI_END | |
| 4381 | |
| 4382 // Must be JNI_ENTRY (with HandleMark) | |
| 4383 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4384 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4385 #ifndef USDT2 |
| 0 | 4386 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4387 #else /* USDT2 */ |
| 4388 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4389 env, ref); | |
| 4390 #endif /* USDT2 */ | |
| 0 | 4391 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4392 #ifndef USDT2 |
| 0 | 4393 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4394 #else /* USDT2 */ |
| 4395 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4396 ); | |
| 4397 #endif /* USDT2 */ | |
| 0 | 4398 JNI_END |
| 4399 | |
| 4400 | |
| 4401 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4402 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4403 #ifndef USDT2 |
| 0 | 4404 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4405 #else /* USDT2 */ |
| 4406 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4407 env); | |
| 4408 #endif /* USDT2 */ | |
| 0 | 4409 jni_check_async_exceptions(thread); |
| 4410 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4411 #ifndef USDT2 |
| 0 | 4412 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4413 #else /* USDT2 */ |
| 4414 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4415 ret); | |
| 4416 #endif /* USDT2 */ | |
| 0 | 4417 return ret; |
| 4418 JNI_END | |
| 4419 | |
| 4420 | |
| 4421 // Initialization state for three routines below relating to | |
| 4422 // java.nio.DirectBuffers | |
| 4423 static jint directBufferSupportInitializeStarted = 0; | |
| 4424 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4425 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4426 static jclass bufferClass = NULL; | |
| 4427 static jclass directBufferClass = NULL; | |
| 4428 static jclass directByteBufferClass = NULL; | |
| 4429 static jmethodID directByteBufferConstructor = NULL; | |
| 4430 static jfieldID directBufferAddressField = NULL; | |
| 4431 static jfieldID bufferCapacityField = NULL; | |
| 4432 | |
| 4433 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4434 Handle loader; // null (bootstrap) loader | |
| 4435 Handle protection_domain; // null protection domain | |
| 4436 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4437 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4438 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4439 |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4440 if (TraceClassResolution && result != NULL) { |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4441 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4442 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4443 return result; |
| 0 | 4444 } |
| 4445 | |
| 4446 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4447 // circumvent any security checks that would be done by jni_FindClass. | |
| 4448 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4449 { | |
| 4450 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4451 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4452 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4453 return true; | |
| 4454 } | |
| 4455 JNI_END | |
| 4456 | |
| 4457 | |
| 4458 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4459 if (directBufferSupportInitializeFailed) { | |
| 4460 return false; | |
| 4461 } | |
| 4462 | |
| 4463 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4464 if (!lookupDirectBufferClasses(env)) { | |
| 4465 directBufferSupportInitializeFailed = 1; | |
| 4466 return false; | |
| 4467 } | |
| 4468 | |
| 4469 // Make global references for these | |
| 4470 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4471 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4472 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4473 | |
| 4474 // Get needed field and method IDs | |
| 4475 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4476 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4477 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4478 | |
| 4479 if ((directByteBufferConstructor == NULL) || | |
| 4480 (directBufferAddressField == NULL) || | |
| 4481 (bufferCapacityField == NULL)) { | |
| 4482 directBufferSupportInitializeFailed = 1; | |
| 4483 return false; | |
| 4484 } | |
| 4485 | |
| 4486 directBufferSupportInitializeEnded = 1; | |
| 4487 } else { | |
| 4488 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4489 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4490 // os::sleep which requires the VM state transition. On other platforms, it |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4491 // is not necessary. The following call to change the VM state is purposely |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4492 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4493 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4494 ThreadInVMfromNative tivn(thread); |
| 0 | 4495 os::yield_all(); |
| 4496 } | |
| 4497 } | |
| 4498 | |
| 4499 return !directBufferSupportInitializeFailed; | |
| 4500 } | |
| 4501 | |
| 4502 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4503 { | |
| 4504 // thread_from_jni_environment() will block if VM is gone. | |
| 4505 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4506 | |
| 4507 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4508 #ifndef USDT2 |
| 0 | 4509 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4510 #else /* USDT2 */ |
| 4511 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4512 env, address, capacity); | |
| 4513 #endif /* USDT2 */ | |
| 0 | 4514 |
| 4515 if (!directBufferSupportInitializeEnded) { | |
| 4516 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4517 #ifndef USDT2 |
| 0 | 4518 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4519 #else /* USDT2 */ |
| 4520 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4521 NULL); | |
| 4522 #endif /* USDT2 */ | |
| 0 | 4523 return NULL; |
| 4524 } | |
| 4525 } | |
| 4526 | |
| 4527 // Being paranoid about accidental sign extension on address | |
| 4528 jlong addr = (jlong) ((uintptr_t) address); | |
| 4529 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4530 // takes int capacity | |
| 4531 jint cap = (jint) capacity; | |
| 4532 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4533 #ifndef USDT2 |
| 0 | 4534 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4535 #else /* USDT2 */ |
| 4536 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4537 ret); | |
| 4538 #endif /* USDT2 */ | |
| 0 | 4539 return ret; |
| 4540 } | |
| 4541 | |
| 4006 | 4542 #ifndef USDT2 |
| 0 | 4543 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4544 #else /* USDT2 */ |
| 4545 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4546 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4547 #endif /* USDT2 */ | |
| 0 | 4548 |
| 4549 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4550 { | |
| 4551 // thread_from_jni_environment() will block if VM is gone. | |
| 4552 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4553 | |
| 4554 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4555 #ifndef USDT2 |
| 0 | 4556 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4557 #else /* USDT2 */ |
| 4558 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4559 env, buf); | |
| 4560 #endif /* USDT2 */ | |
| 0 | 4561 void* ret = NULL; |
| 4562 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4563 | |
| 4564 if (!directBufferSupportInitializeEnded) { | |
| 4565 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4566 return 0; | |
| 4567 } | |
| 4568 } | |
| 4569 | |
| 4570 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4571 return 0; | |
| 4572 } | |
| 4573 | |
| 4574 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4575 return ret; | |
| 4576 } | |
| 4577 | |
| 4006 | 4578 #ifndef USDT2 |
| 0 | 4579 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4580 #else /* USDT2 */ |
| 4581 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4582 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4583 #endif /* USDT2 */ | |
| 0 | 4584 |
| 4585 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4586 { | |
| 4587 // thread_from_jni_environment() will block if VM is gone. | |
| 4588 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4589 | |
| 4590 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4591 #ifndef USDT2 |
| 0 | 4592 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4593 #else /* USDT2 */ |
| 4594 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4595 env, buf); | |
| 4596 #endif /* USDT2 */ | |
| 0 | 4597 jlong ret = -1; |
| 4598 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4599 | |
| 4600 if (!directBufferSupportInitializeEnded) { | |
| 4601 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4602 ret = 0; | |
| 4603 return ret; | |
| 4604 } | |
| 4605 } | |
| 4606 | |
| 4607 if (buf == NULL) { | |
| 4608 return -1; | |
| 4609 } | |
| 4610 | |
| 4611 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4612 return -1; | |
| 4613 } | |
| 4614 | |
| 4615 // NOTE that capacity is currently an int in the implementation | |
| 4616 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4617 return ret; | |
| 4618 } | |
| 4619 | |
| 4620 | |
| 4621 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4622 JNIWrapper("GetVersion"); | |
| 4006 | 4623 #ifndef USDT2 |
| 0 | 4624 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4625 #else /* USDT2 */ |
| 4626 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4627 env); | |
| 4628 #endif /* USDT2 */ | |
| 4629 #ifndef USDT2 | |
| 0 | 4630 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4631 #else /* USDT2 */ |
| 4632 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4633 CurrentVersion); | |
| 4634 #endif /* USDT2 */ | |
| 0 | 4635 return CurrentVersion; |
| 4636 JNI_END | |
| 4637 | |
| 4638 extern struct JavaVM_ main_vm; | |
| 4639 | |
| 4640 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4641 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4642 #ifndef USDT2 |
| 0 | 4643 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4644 #else /* USDT2 */ |
| 4645 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4646 env, (void **) vm); | |
| 4647 #endif /* USDT2 */ | |
| 0 | 4648 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4649 #ifndef USDT2 |
| 0 | 4650 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4651 #else /* USDT2 */ |
| 4652 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4653 JNI_OK); | |
| 4654 #endif /* USDT2 */ | |
| 0 | 4655 return JNI_OK; |
| 4656 JNI_END | |
| 4657 | |
| 4658 // Structure containing all jni functions | |
| 4659 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4660 NULL, | |
| 4661 NULL, | |
| 4662 NULL, | |
| 4663 | |
| 4664 NULL, | |
| 4665 | |
| 4666 jni_GetVersion, | |
| 4667 | |
| 4668 jni_DefineClass, | |
| 4669 jni_FindClass, | |
| 4670 | |
| 4671 jni_FromReflectedMethod, | |
| 4672 jni_FromReflectedField, | |
| 4673 | |
| 4674 jni_ToReflectedMethod, | |
| 4675 | |
| 4676 jni_GetSuperclass, | |
| 4677 jni_IsAssignableFrom, | |
| 4678 | |
| 4679 jni_ToReflectedField, | |
| 4680 | |
| 4681 jni_Throw, | |
| 4682 jni_ThrowNew, | |
| 4683 jni_ExceptionOccurred, | |
| 4684 jni_ExceptionDescribe, | |
| 4685 jni_ExceptionClear, | |
| 4686 jni_FatalError, | |
| 4687 | |
| 4688 jni_PushLocalFrame, | |
| 4689 jni_PopLocalFrame, | |
| 4690 | |
| 4691 jni_NewGlobalRef, | |
| 4692 jni_DeleteGlobalRef, | |
| 4693 jni_DeleteLocalRef, | |
| 4694 jni_IsSameObject, | |
| 4695 | |
| 4696 jni_NewLocalRef, | |
| 4697 jni_EnsureLocalCapacity, | |
| 4698 | |
| 4699 jni_AllocObject, | |
| 4700 jni_NewObject, | |
| 4701 jni_NewObjectV, | |
| 4702 jni_NewObjectA, | |
| 4703 | |
| 4704 jni_GetObjectClass, | |
| 4705 jni_IsInstanceOf, | |
| 4706 | |
| 4707 jni_GetMethodID, | |
| 4708 | |
| 4709 jni_CallObjectMethod, | |
| 4710 jni_CallObjectMethodV, | |
| 4711 jni_CallObjectMethodA, | |
| 4712 jni_CallBooleanMethod, | |
| 4713 jni_CallBooleanMethodV, | |
| 4714 jni_CallBooleanMethodA, | |
| 4715 jni_CallByteMethod, | |
| 4716 jni_CallByteMethodV, | |
| 4717 jni_CallByteMethodA, | |
| 4718 jni_CallCharMethod, | |
| 4719 jni_CallCharMethodV, | |
| 4720 jni_CallCharMethodA, | |
| 4721 jni_CallShortMethod, | |
| 4722 jni_CallShortMethodV, | |
| 4723 jni_CallShortMethodA, | |
| 4724 jni_CallIntMethod, | |
| 4725 jni_CallIntMethodV, | |
| 4726 jni_CallIntMethodA, | |
| 4727 jni_CallLongMethod, | |
| 4728 jni_CallLongMethodV, | |
| 4729 jni_CallLongMethodA, | |
| 4730 jni_CallFloatMethod, | |
| 4731 jni_CallFloatMethodV, | |
| 4732 jni_CallFloatMethodA, | |
| 4733 jni_CallDoubleMethod, | |
| 4734 jni_CallDoubleMethodV, | |
| 4735 jni_CallDoubleMethodA, | |
| 4736 jni_CallVoidMethod, | |
| 4737 jni_CallVoidMethodV, | |
| 4738 jni_CallVoidMethodA, | |
| 4739 | |
| 4740 jni_CallNonvirtualObjectMethod, | |
| 4741 jni_CallNonvirtualObjectMethodV, | |
| 4742 jni_CallNonvirtualObjectMethodA, | |
| 4743 jni_CallNonvirtualBooleanMethod, | |
| 4744 jni_CallNonvirtualBooleanMethodV, | |
| 4745 jni_CallNonvirtualBooleanMethodA, | |
| 4746 jni_CallNonvirtualByteMethod, | |
| 4747 jni_CallNonvirtualByteMethodV, | |
| 4748 jni_CallNonvirtualByteMethodA, | |
| 4749 jni_CallNonvirtualCharMethod, | |
| 4750 jni_CallNonvirtualCharMethodV, | |
| 4751 jni_CallNonvirtualCharMethodA, | |
| 4752 jni_CallNonvirtualShortMethod, | |
| 4753 jni_CallNonvirtualShortMethodV, | |
| 4754 jni_CallNonvirtualShortMethodA, | |
| 4755 jni_CallNonvirtualIntMethod, | |
| 4756 jni_CallNonvirtualIntMethodV, | |
| 4757 jni_CallNonvirtualIntMethodA, | |
| 4758 jni_CallNonvirtualLongMethod, | |
| 4759 jni_CallNonvirtualLongMethodV, | |
| 4760 jni_CallNonvirtualLongMethodA, | |
| 4761 jni_CallNonvirtualFloatMethod, | |
| 4762 jni_CallNonvirtualFloatMethodV, | |
| 4763 jni_CallNonvirtualFloatMethodA, | |
| 4764 jni_CallNonvirtualDoubleMethod, | |
| 4765 jni_CallNonvirtualDoubleMethodV, | |
| 4766 jni_CallNonvirtualDoubleMethodA, | |
| 4767 jni_CallNonvirtualVoidMethod, | |
| 4768 jni_CallNonvirtualVoidMethodV, | |
| 4769 jni_CallNonvirtualVoidMethodA, | |
| 4770 | |
| 4771 jni_GetFieldID, | |
| 4772 | |
| 4773 jni_GetObjectField, | |
| 4774 jni_GetBooleanField, | |
| 4775 jni_GetByteField, | |
| 4776 jni_GetCharField, | |
| 4777 jni_GetShortField, | |
| 4778 jni_GetIntField, | |
| 4779 jni_GetLongField, | |
| 4780 jni_GetFloatField, | |
| 4781 jni_GetDoubleField, | |
| 4782 | |
| 4783 jni_SetObjectField, | |
| 4784 jni_SetBooleanField, | |
| 4785 jni_SetByteField, | |
| 4786 jni_SetCharField, | |
| 4787 jni_SetShortField, | |
| 4788 jni_SetIntField, | |
| 4789 jni_SetLongField, | |
| 4790 jni_SetFloatField, | |
| 4791 jni_SetDoubleField, | |
| 4792 | |
| 4793 jni_GetStaticMethodID, | |
| 4794 | |
| 4795 jni_CallStaticObjectMethod, | |
| 4796 jni_CallStaticObjectMethodV, | |
| 4797 jni_CallStaticObjectMethodA, | |
| 4798 jni_CallStaticBooleanMethod, | |
| 4799 jni_CallStaticBooleanMethodV, | |
| 4800 jni_CallStaticBooleanMethodA, | |
| 4801 jni_CallStaticByteMethod, | |
| 4802 jni_CallStaticByteMethodV, | |
| 4803 jni_CallStaticByteMethodA, | |
| 4804 jni_CallStaticCharMethod, | |
| 4805 jni_CallStaticCharMethodV, | |
| 4806 jni_CallStaticCharMethodA, | |
| 4807 jni_CallStaticShortMethod, | |
| 4808 jni_CallStaticShortMethodV, | |
| 4809 jni_CallStaticShortMethodA, | |
| 4810 jni_CallStaticIntMethod, | |
| 4811 jni_CallStaticIntMethodV, | |
| 4812 jni_CallStaticIntMethodA, | |
| 4813 jni_CallStaticLongMethod, | |
| 4814 jni_CallStaticLongMethodV, | |
| 4815 jni_CallStaticLongMethodA, | |
| 4816 jni_CallStaticFloatMethod, | |
| 4817 jni_CallStaticFloatMethodV, | |
| 4818 jni_CallStaticFloatMethodA, | |
| 4819 jni_CallStaticDoubleMethod, | |
| 4820 jni_CallStaticDoubleMethodV, | |
| 4821 jni_CallStaticDoubleMethodA, | |
| 4822 jni_CallStaticVoidMethod, | |
| 4823 jni_CallStaticVoidMethodV, | |
| 4824 jni_CallStaticVoidMethodA, | |
| 4825 | |
| 4826 jni_GetStaticFieldID, | |
| 4827 | |
| 4828 jni_GetStaticObjectField, | |
| 4829 jni_GetStaticBooleanField, | |
| 4830 jni_GetStaticByteField, | |
| 4831 jni_GetStaticCharField, | |
| 4832 jni_GetStaticShortField, | |
| 4833 jni_GetStaticIntField, | |
| 4834 jni_GetStaticLongField, | |
| 4835 jni_GetStaticFloatField, | |
| 4836 jni_GetStaticDoubleField, | |
| 4837 | |
| 4838 jni_SetStaticObjectField, | |
| 4839 jni_SetStaticBooleanField, | |
| 4840 jni_SetStaticByteField, | |
| 4841 jni_SetStaticCharField, | |
| 4842 jni_SetStaticShortField, | |
| 4843 jni_SetStaticIntField, | |
| 4844 jni_SetStaticLongField, | |
| 4845 jni_SetStaticFloatField, | |
| 4846 jni_SetStaticDoubleField, | |
| 4847 | |
| 4848 jni_NewString, | |
| 4849 jni_GetStringLength, | |
| 4850 jni_GetStringChars, | |
| 4851 jni_ReleaseStringChars, | |
| 4852 | |
| 4853 jni_NewStringUTF, | |
| 4854 jni_GetStringUTFLength, | |
| 4855 jni_GetStringUTFChars, | |
| 4856 jni_ReleaseStringUTFChars, | |
| 4857 | |
| 4858 jni_GetArrayLength, | |
| 4859 | |
| 4860 jni_NewObjectArray, | |
| 4861 jni_GetObjectArrayElement, | |
| 4862 jni_SetObjectArrayElement, | |
| 4863 | |
| 4864 jni_NewBooleanArray, | |
| 4865 jni_NewByteArray, | |
| 4866 jni_NewCharArray, | |
| 4867 jni_NewShortArray, | |
| 4868 jni_NewIntArray, | |
| 4869 jni_NewLongArray, | |
| 4870 jni_NewFloatArray, | |
| 4871 jni_NewDoubleArray, | |
| 4872 | |
| 4873 jni_GetBooleanArrayElements, | |
| 4874 jni_GetByteArrayElements, | |
| 4875 jni_GetCharArrayElements, | |
| 4876 jni_GetShortArrayElements, | |
| 4877 jni_GetIntArrayElements, | |
| 4878 jni_GetLongArrayElements, | |
| 4879 jni_GetFloatArrayElements, | |
| 4880 jni_GetDoubleArrayElements, | |
| 4881 | |
| 4882 jni_ReleaseBooleanArrayElements, | |
| 4883 jni_ReleaseByteArrayElements, | |
| 4884 jni_ReleaseCharArrayElements, | |
| 4885 jni_ReleaseShortArrayElements, | |
| 4886 jni_ReleaseIntArrayElements, | |
| 4887 jni_ReleaseLongArrayElements, | |
| 4888 jni_ReleaseFloatArrayElements, | |
| 4889 jni_ReleaseDoubleArrayElements, | |
| 4890 | |
| 4891 jni_GetBooleanArrayRegion, | |
| 4892 jni_GetByteArrayRegion, | |
| 4893 jni_GetCharArrayRegion, | |
| 4894 jni_GetShortArrayRegion, | |
| 4895 jni_GetIntArrayRegion, | |
| 4896 jni_GetLongArrayRegion, | |
| 4897 jni_GetFloatArrayRegion, | |
| 4898 jni_GetDoubleArrayRegion, | |
| 4899 | |
| 4900 jni_SetBooleanArrayRegion, | |
| 4901 jni_SetByteArrayRegion, | |
| 4902 jni_SetCharArrayRegion, | |
| 4903 jni_SetShortArrayRegion, | |
| 4904 jni_SetIntArrayRegion, | |
| 4905 jni_SetLongArrayRegion, | |
| 4906 jni_SetFloatArrayRegion, | |
| 4907 jni_SetDoubleArrayRegion, | |
| 4908 | |
| 4909 jni_RegisterNatives, | |
| 4910 jni_UnregisterNatives, | |
| 4911 | |
| 4912 jni_MonitorEnter, | |
| 4913 jni_MonitorExit, | |
| 4914 | |
| 4915 jni_GetJavaVM, | |
| 4916 | |
| 4917 jni_GetStringRegion, | |
| 4918 jni_GetStringUTFRegion, | |
| 4919 | |
| 4920 jni_GetPrimitiveArrayCritical, | |
| 4921 jni_ReleasePrimitiveArrayCritical, | |
| 4922 | |
| 4923 jni_GetStringCritical, | |
| 4924 jni_ReleaseStringCritical, | |
| 4925 | |
| 4926 jni_NewWeakGlobalRef, | |
| 4927 jni_DeleteWeakGlobalRef, | |
| 4928 | |
| 4929 jni_ExceptionCheck, | |
| 4930 | |
| 4931 jni_NewDirectByteBuffer, | |
| 4932 jni_GetDirectBufferAddress, | |
| 4933 jni_GetDirectBufferCapacity, | |
| 4934 | |
| 4935 // New 1_6 features | |
| 4936 | |
| 4937 jni_GetObjectRefType | |
| 4938 }; | |
| 4939 | |
| 4940 | |
| 4941 // For jvmti use to modify jni function table. | |
| 4942 // Java threads in native contiues to run until it is transitioned | |
| 4943 // to VM at safepoint. Before the transition or before it is blocked | |
| 4944 // for safepoint it may access jni function table. VM could crash if | |
| 4945 // any java thread access the jni function table in the middle of memcpy. | |
| 4946 // To avoid this each function pointers are copied automically. | |
| 4947 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4948 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4949 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4950 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4951 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4952 Atomic::store_ptr(*b++, a++); | |
| 4953 } | |
| 4954 } | |
| 4955 | |
| 4956 void quicken_jni_functions() { | |
| 4957 // Replace Get<Primitive>Field with fast versions | |
| 4958 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4959 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4960 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4961 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4962 // versions currently isn't certain for server vm on uniprocessor. | |
| 4963 && os::is_MP() | |
| 4964 #endif | |
| 4965 ) { | |
| 4966 address func; | |
| 4967 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4968 if (func != (address)-1) { | |
| 4969 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4970 } | |
| 4971 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4972 if (func != (address)-1) { | |
| 4973 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4974 } | |
| 4975 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4976 if (func != (address)-1) { | |
| 4977 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4978 } | |
| 4979 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4980 if (func != (address)-1) { | |
| 4981 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4982 } | |
| 4983 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4984 if (func != (address)-1) { | |
| 4985 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4986 } | |
| 4987 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4988 if (func != (address)-1) { | |
| 4989 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4990 } | |
| 4991 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4992 if (func != (address)-1) { | |
| 4993 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4994 } | |
| 4995 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4996 if (func != (address)-1) { | |
| 4997 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4998 } | |
| 4999 } | |
| 5000 } | |
| 5001 | |
| 5002 // Returns the function structure | |
| 5003 struct JNINativeInterface_* jni_functions() { | |
| 5004 #ifndef JNICHECK_KERNEL | |
| 5005 if (CheckJNICalls) return jni_functions_check(); | |
| 5006 #else // JNICHECK_KERNEL | |
| 5007 if (CheckJNICalls) warning("-Xcheck:jni is not supported in kernel vm."); | |
| 5008 #endif // JNICHECK_KERNEL | |
| 5009 return &jni_NativeInterface; | |
| 5010 } | |
| 5011 | |
| 5012 // Returns the function structure | |
| 5013 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 5014 return &jni_NativeInterface; | |
| 5015 } | |
| 5016 | |
| 5017 | |
| 5018 // Invocation API | |
| 5019 | |
| 5020 | |
| 5021 // Forward declaration | |
| 5022 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 5023 | |
| 5024 // Global invocation API vars | |
| 5025 volatile jint vm_created = 0; | |
| 5026 // Indicate whether it is safe to recreate VM | |
| 5027 volatile jint safe_to_recreate_vm = 1; | |
| 5028 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5029 | |
| 5030 | |
| 5031 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5032 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5033 | |
| 4006 | 5034 #ifndef USDT2 |
| 0 | 5035 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5036 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5037 #else /* USDT2 */ |
| 5038 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5039 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5040 #endif /* USDT2 */ | |
| 0 | 5041 |
| 5042 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5043 #ifndef USDT2 |
| 0 | 5044 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5045 #else /* USDT2 */ |
| 5046 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5047 args_); | |
| 5048 #endif /* USDT2 */ | |
| 0 | 5049 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5050 jint ret = JNI_ERR; | |
| 5051 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5052 | |
| 5053 if (Threads::is_supported_jni_version(args->version)) { | |
| 5054 ret = JNI_OK; | |
| 5055 } | |
| 5056 // 1.1 style no longer supported in hotspot. | |
| 5057 // According the JNI spec, we should update args->version on return. | |
| 5058 // We also use the structure to communicate with launcher about default | |
| 5059 // stack size. | |
| 5060 if (args->version == JNI_VERSION_1_1) { | |
| 5061 args->version = JNI_VERSION_1_2; | |
| 5062 // javaStackSize is int in arguments structure | |
| 5063 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5064 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5065 } | |
| 5066 return ret; | |
| 5067 } | |
| 5068 | |
| 3779 | 5069 #ifndef PRODUCT |
| 5070 | |
| 4708 | 5071 #include "gc_interface/collectedHeap.hpp" |
| 3779 | 5072 #include "utilities/quickSort.hpp" |
| 5073 | |
| 4708 | 5074 #define run_unit_test(unit_test_function_call) \ |
| 5075 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5076 unit_test_function_call | |
| 5077 | |
| 3779 | 5078 void execute_internal_vm_tests() { |
| 5079 if (ExecuteInternalVMTests) { | |
| 4708 | 5080 tty->print_cr("Running internal VM tests"); |
| 5081 run_unit_test(arrayOopDesc::test_max_array_length()); | |
| 5082 run_unit_test(CollectedHeap::test_is_in()); | |
| 5083 run_unit_test(QuickSort::test_quick_sort()); | |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5084 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5085 } |
| 5086 } | |
| 5087 | |
| 4708 | 5088 #undef run_unit_test |
| 5089 | |
| 3779 | 5090 #endif |
| 5091 | |
| 4006 | 5092 #ifndef USDT2 |
| 0 | 5093 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5094 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5095 #else /* USDT2 */ |
| 5096 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5097 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5098 #endif /* USDT2 */ | |
| 0 | 5099 |
| 5100 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5101 #ifndef USDT2 |
| 0 | 5102 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5103 #else /* USDT2 */ |
| 5104 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5105 (void **) vm, penv, args); | |
| 5106 #endif /* USDT2 */ | |
| 0 | 5107 |
| 5108 jint result = JNI_ERR; | |
| 5109 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5110 | |
| 1078 | 5111 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5112 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5113 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5114 // on all architectures. So we check it works before relying on it. | |
| 5115 #if defined(ZERO) && defined(ASSERT) | |
| 5116 { | |
| 5117 jint a = 0xcafebabe; | |
| 5118 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5119 void *c = &a; | |
| 5120 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5121 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5122 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5123 } | |
| 5124 #endif // ZERO && ASSERT | |
| 5125 | |
| 0 | 5126 // At the moment it's only possible to have one Java VM, |
| 5127 // since some of the runtime state is in global variables. | |
| 5128 | |
| 5129 // We cannot use our mutex locks here, since they only work on | |
| 5130 // Threads. We do an atomic compare and exchange to ensure only | |
| 5131 // one thread can call this method at a time | |
| 5132 | |
| 5133 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5134 // the add/dec implementations are dependent on whether we are running | |
| 5135 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5136 // function used to determine this will always return false. Atomic::xchg | |
| 5137 // does not have this problem. | |
| 5138 if (Atomic::xchg(1, &vm_created) == 1) { | |
| 5139 return JNI_ERR; // already created, or create attempt in progress | |
| 5140 } | |
| 5141 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5142 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5143 } | |
| 5144 | |
| 5145 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5146 | |
| 5147 /** | |
| 5148 * Certain errors during initialization are recoverable and do not | |
| 5149 * prevent this method from being called again at a later time | |
| 5150 * (perhaps with different arguments). However, at a certain | |
| 5151 * point during initialization if an error occurs we cannot allow | |
| 5152 * this function to be called again (or it will crash). In those | |
| 5153 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5154 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5155 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5156 */ | |
| 5157 bool can_try_again = true; | |
| 5158 | |
| 5159 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5160 if (result == JNI_OK) { | |
| 5161 JavaThread *thread = JavaThread::current(); | |
| 5162 /* thread is thread_in_vm here */ | |
| 5163 *vm = (JavaVM *)(&main_vm); | |
| 5164 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5165 | |
|
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diff
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|
5166 #ifdef GRAAL |
|
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diff
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|
5167 GraalCompiler* compiler = GraalCompiler::instance(); |
|
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diff
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|
5168 ciObjectFactory::initialize(); |
|
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Pass-by compilation broker.
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diff
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|
5169 compiler->initialize(); |
|
4368
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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4137
diff
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|
5170 #endif |
|
3650
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Pass-by compilation broker.
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diff
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|
5171 |
|
5747
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diff
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|
5172 #ifdef HIGH_LEVEL_INTERPRETER |
|
120820e30baa
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diff
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|
5173 if (HighLevelInterpreterClass != NULL) { |
|
120820e30baa
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|
5174 bool result = VMToInterpreter::allocate_interpreter(HighLevelInterpreterClass, HighLevelInterpreterArguments, thread); |
|
120820e30baa
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|
5175 if (!result) { |
|
120820e30baa
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diff
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|
5176 vm_abort(false); |
|
120820e30baa
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diff
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|
5177 return JNI_ERR; |
|
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diff
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|
5178 } |
|
120820e30baa
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diff
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|
5179 } |
|
120820e30baa
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|
5180 #endif |
|
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|
5181 |
| 0 | 5182 // Tracks the time application was running before GC |
| 5183 RuntimeService::record_application_start(); | |
| 5184 | |
| 5185 // Notify JVMTI | |
| 5186 if (JvmtiExport::should_post_thread_life()) { | |
| 5187 JvmtiExport::post_thread_start(thread); | |
| 5188 } | |
|
4800
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7115199: Add event tracing hooks and Java Flight Recorder infrastructure
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|
5189 |
|
94ec88ca68e2
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|
5190 EVENT_BEGIN(TraceEventThreadStart, event); |
|
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|
5191 EVENT_COMMIT(event, |
|
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|
5192 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
94ec88ca68e2
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diff
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|
5193 |
| 0 | 5194 // Check if we should compile all classes on bootclasspath |
| 5195 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
| 5196 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. | |
| 5197 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5198 } else { | |
| 5199 if (can_try_again) { | |
| 5200 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5201 safe_to_recreate_vm = 1; | |
| 5202 } | |
| 5203 | |
| 5204 // Creation failed. We must reset vm_created | |
| 5205 *vm = 0; | |
| 5206 *(JNIEnv**)penv = 0; | |
| 5207 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5208 // control both compiler and architectural-based reordering. | |
| 5209 OrderAccess::release_store(&vm_created, 0); | |
| 5210 } | |
| 5211 | |
|
1490
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jcoomes
parents:
1290
diff
changeset
|
5212 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
| 3779 | 5213 NOT_PRODUCT(execute_internal_vm_tests()); |
| 0 | 5214 return result; |
| 5215 } | |
| 5216 | |
| 4006 | 5217 #ifndef USDT2 |
| 0 | 5218 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5219 JavaVM**, jsize, jsize*); | |
| 5220 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5221 #endif /* !USDT2 */ |
| 0 | 5222 |
| 5223 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5224 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5225 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5226 #ifndef USDT2 |
| 0 | 5227 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5228 vm_buf, bufLen, numVMs); | |
| 4006 | 5229 #else /* USDT2 */ |
| 5230 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5231 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5232 #endif /* USDT2 */ | |
| 0 | 5233 if (vm_created) { |
| 5234 if (numVMs != NULL) *numVMs = 1; | |
| 5235 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5236 } else { | |
| 5237 if (numVMs != NULL) *numVMs = 0; | |
| 5238 } | |
| 4006 | 5239 #ifndef USDT2 |
| 0 | 5240 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5241 #else /* USDT2 */ |
| 5242 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5243 JNI_OK); | |
| 5244 #endif /* USDT2 */ | |
| 0 | 5245 return JNI_OK; |
| 5246 } | |
| 5247 | |
| 5248 extern "C" { | |
| 5249 | |
| 4006 | 5250 #ifndef USDT2 |
| 0 | 5251 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5252 #else /* USDT2 */ |
| 5253 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5254 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5255 #endif /* USDT2 */ | |
| 0 | 5256 |
| 5257 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5258 #ifndef USDT2 |
| 0 | 5259 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5260 #else /* USDT2 */ |
| 5261 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5262 vm); | |
| 5263 #endif /* USDT2 */ | |
| 0 | 5264 jint res = JNI_ERR; |
| 5265 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5266 | |
| 5267 if (!vm_created) { | |
| 5268 res = JNI_ERR; | |
| 5269 return res; | |
| 5270 } | |
| 5271 | |
| 5272 JNIWrapper("DestroyJavaVM"); | |
| 5273 JNIEnv *env; | |
| 5274 JavaVMAttachArgs destroyargs; | |
| 5275 destroyargs.version = CurrentVersion; | |
| 5276 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5277 destroyargs.group = NULL; | |
| 5278 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5279 if (res != JNI_OK) { | |
| 5280 return res; | |
| 5281 } | |
| 5282 | |
| 5283 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5284 JavaThread* thread = JavaThread::current(); | |
| 5285 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5286 if (Threads::destroy_vm()) { | |
| 5287 // Should not change thread state, VM is gone | |
| 5288 vm_created = false; | |
| 5289 res = JNI_OK; | |
| 5290 return res; | |
| 5291 } else { | |
| 5292 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5293 res = JNI_ERR; | |
| 5294 return res; | |
| 5295 } | |
| 5296 } | |
| 5297 | |
| 5298 | |
| 5299 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5300 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5301 | |
| 5302 // Check below commented out from JDK1.2fcs as well | |
| 5303 /* | |
| 5304 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5305 return JNI_EVERSION; | |
| 5306 } | |
| 5307 */ | |
| 5308 | |
| 5309 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5310 if (t != NULL) { | |
| 5311 // If the thread has been attached this operation is a no-op | |
| 5312 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5313 return JNI_OK; | |
| 5314 } | |
| 5315 | |
| 5316 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5317 // ThreadsListEnumerator - see CR 6404306 | |
| 5318 JavaThread* thread = new JavaThread(true); | |
| 5319 | |
| 5320 // Set correct safepoint info. The thread is going to call into Java when | |
| 5321 // initializing the Java level thread object. Hence, the correct state must | |
| 5322 // be set in order for the Safepoint code to deal with it correctly. | |
| 5323 thread->set_thread_state(_thread_in_vm); | |
| 5324 // Must do this before initialize_thread_local_storage | |
| 5325 thread->record_stack_base_and_size(); | |
|
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1142
diff
changeset
|
5326 |
| 0 | 5327 thread->initialize_thread_local_storage(); |
| 5328 | |
| 5329 if (!os::create_attached_thread(thread)) { | |
| 5330 delete thread; | |
| 5331 return JNI_ERR; | |
| 5332 } | |
|
1290
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|
5333 // Enable stack overflow checks |
|
c8a467bf56ad
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diff
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|
5334 thread->create_stack_guard_pages(); |
|
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1142
diff
changeset
|
5335 |
| 0 | 5336 thread->initialize_tlab(); |
| 5337 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5338 thread->cache_global_variables(); |
|
126ea7725993
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bobv
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1552
diff
changeset
|
5339 |
| 0 | 5340 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5341 // not been added to the Thread list yet. | |
| 5342 { Threads_lock->lock_without_safepoint_check(); | |
| 5343 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5344 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5345 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5346 Threads::add(thread, daemon); | |
| 5347 Threads_lock->unlock(); | |
| 5348 } | |
| 5349 // Create thread group and name info from attach arguments | |
| 5350 oop group = NULL; | |
| 5351 char* thread_name = NULL; | |
| 5352 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5353 group = JNIHandles::resolve(args->group); | |
| 5354 thread_name = args->name; // may be NULL | |
| 5355 } | |
| 5356 if (group == NULL) group = Universe::main_thread_group(); | |
| 5357 | |
| 5358 // Create Java level thread object and attach it to this thread | |
| 5359 bool attach_failed = false; | |
| 5360 { | |
| 5361 EXCEPTION_MARK; | |
| 5362 HandleMark hm(THREAD); | |
| 5363 Handle thread_group(THREAD, group); | |
| 5364 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5365 if (HAS_PENDING_EXCEPTION) { | |
| 5366 CLEAR_PENDING_EXCEPTION; | |
| 5367 // cleanup outside the handle mark. | |
| 5368 attach_failed = true; | |
| 5369 } | |
| 5370 } | |
| 5371 | |
| 5372 if (attach_failed) { | |
| 5373 // Added missing cleanup | |
| 5374 thread->cleanup_failed_attach_current_thread(); | |
| 5375 return JNI_ERR; | |
| 5376 } | |
| 5377 | |
| 5378 // mark the thread as no longer attaching | |
| 5379 // this uses a fence to push the change through so we don't have | |
| 5380 // to regrab the threads_lock | |
| 4006 | 5381 thread->set_done_attaching_via_jni(); |
| 0 | 5382 |
| 5383 // Set java thread status. | |
| 5384 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5385 java_lang_Thread::RUNNABLE); | |
| 5386 | |
| 5387 // Notify the debugger | |
| 5388 if (JvmtiExport::should_post_thread_life()) { | |
| 5389 JvmtiExport::post_thread_start(thread); | |
| 5390 } | |
| 5391 | |
|
4800
94ec88ca68e2
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4708
diff
changeset
|
5392 EVENT_BEGIN(TraceEventThreadStart, event); |
|
94ec88ca68e2
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4708
diff
changeset
|
5393 EVENT_COMMIT(event, |
|
94ec88ca68e2
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4708
diff
changeset
|
5394 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
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changeset
|
5395 |
| 0 | 5396 *(JNIEnv**)penv = thread->jni_environment(); |
| 5397 | |
| 5398 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5399 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5400 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5401 // needed. | |
| 5402 | |
| 5403 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5404 | |
| 5405 // Perform any platform dependent FPU setup | |
| 5406 os::setup_fpu(); | |
| 5407 | |
| 5408 return JNI_OK; | |
| 5409 } | |
| 5410 | |
| 5411 | |
| 5412 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5413 #ifndef USDT2 |
| 0 | 5414 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5415 #else /* USDT2 */ |
| 5416 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5417 vm, penv, _args); | |
| 5418 #endif /* USDT2 */ | |
| 0 | 5419 if (!vm_created) { |
| 4006 | 5420 #ifndef USDT2 |
| 0 | 5421 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5422 #else /* USDT2 */ |
| 5423 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5424 (uint32_t) JNI_ERR); | |
| 5425 #endif /* USDT2 */ | |
| 0 | 5426 return JNI_ERR; |
| 5427 } | |
| 5428 | |
| 5429 JNIWrapper("AttachCurrentThread"); | |
| 5430 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5431 #ifndef USDT2 |
| 0 | 5432 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5433 #else /* USDT2 */ |
| 5434 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5435 ret); | |
| 5436 #endif /* USDT2 */ | |
| 0 | 5437 return ret; |
| 5438 } | |
| 5439 | |
| 5440 | |
| 5441 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5442 #ifndef USDT2 |
| 0 | 5443 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5444 #else /* USDT2 */ |
| 5445 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5446 vm); | |
| 5447 #endif /* USDT2 */ | |
| 0 | 5448 VM_Exit::block_if_vm_exited(); |
| 5449 | |
| 5450 JNIWrapper("DetachCurrentThread"); | |
| 5451 | |
| 5452 // If the thread has been deattacted the operations is a no-op | |
| 5453 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5454 #ifndef USDT2 |
| 0 | 5455 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5456 #else /* USDT2 */ |
| 5457 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5458 JNI_OK); | |
| 5459 #endif /* USDT2 */ | |
| 0 | 5460 return JNI_OK; |
| 5461 } | |
| 5462 | |
| 5463 JavaThread* thread = JavaThread::current(); | |
| 5464 if (thread->has_last_Java_frame()) { | |
| 4006 | 5465 #ifndef USDT2 |
| 0 | 5466 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5467 #else /* USDT2 */ |
| 5468 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5469 (uint32_t) JNI_ERR); | |
| 5470 #endif /* USDT2 */ | |
| 0 | 5471 // Can't detach a thread that's running java, that can't work. |
| 5472 return JNI_ERR; | |
| 5473 } | |
| 5474 | |
| 5475 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5476 // middel of a safepoint operation | |
| 5477 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5478 | |
| 5479 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5480 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5481 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5482 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5483 // the removal of the guards is buried below in JavaThread::exit() | |
| 5484 // here. The abstraction should be more symmetrically either exposed | |
| 5485 // or hidden (e.g. it could probably be hidden in the same | |
| 5486 // (platform-dependent) methods where we do alternate stack | |
| 5487 // maintenance work?) | |
| 5488 thread->exit(false, JavaThread::jni_detach); | |
| 5489 delete thread; | |
| 5490 | |
| 4006 | 5491 #ifndef USDT2 |
| 0 | 5492 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5493 #else /* USDT2 */ |
| 5494 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5495 JNI_OK); | |
| 5496 #endif /* USDT2 */ | |
| 0 | 5497 return JNI_OK; |
| 5498 } | |
| 5499 | |
| 4006 | 5500 #ifndef USDT2 |
| 0 | 5501 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5502 #else /* USDT2 */ |
| 5503 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5504 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5505 #endif /* USDT2 */ | |
| 0 | 5506 |
| 5507 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5508 #ifndef USDT2 |
| 0 | 5509 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5510 #else /* USDT2 */ |
| 5511 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5512 vm, penv, version); | |
| 5513 #endif /* USDT2 */ | |
| 0 | 5514 jint ret = JNI_ERR; |
| 5515 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5516 | |
| 5517 if (!vm_created) { | |
| 5518 *penv = NULL; | |
| 5519 ret = JNI_EDETACHED; | |
| 5520 return ret; | |
| 5521 } | |
| 5522 | |
|
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diff
changeset
|
5523 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5524 return ret; |
| 5525 } | |
| 5526 | |
| 5527 #ifndef JVMPI_VERSION_1 | |
| 5528 // need these in order to be polite about older agents | |
| 5529 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5530 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5531 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5532 #endif // !JVMPI_VERSION_1 | |
| 5533 | |
| 5534 Thread* thread = ThreadLocalStorage::thread(); | |
| 5535 if (thread != NULL && thread->is_Java_thread()) { | |
| 5536 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5537 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5538 ret = JNI_OK; | |
| 5539 return ret; | |
| 5540 | |
| 5541 } else if (version == JVMPI_VERSION_1 || | |
| 5542 version == JVMPI_VERSION_1_1 || | |
| 5543 version == JVMPI_VERSION_1_2) { | |
| 5544 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5545 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5546 ret = JNI_EVERSION; | |
| 5547 return ret; | |
| 5548 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5549 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5550 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5551 ret = JNI_EVERSION; | |
| 5552 return ret; | |
| 5553 } else { | |
| 5554 *penv = NULL; | |
| 5555 ret = JNI_EVERSION; | |
| 5556 return ret; | |
| 5557 } | |
| 5558 } else { | |
| 5559 *penv = NULL; | |
| 5560 ret = JNI_EDETACHED; | |
| 5561 return ret; | |
| 5562 } | |
| 5563 } | |
| 5564 | |
| 5565 | |
| 5566 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5567 #ifndef USDT2 |
| 0 | 5568 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5569 #else /* USDT2 */ |
| 5570 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5571 vm, penv, _args); | |
| 5572 #endif /* USDT2 */ | |
| 0 | 5573 if (!vm_created) { |
| 4006 | 5574 #ifndef USDT2 |
| 0 | 5575 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5576 #else /* USDT2 */ |
| 5577 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5578 (uint32_t) JNI_ERR); | |
| 5579 #endif /* USDT2 */ | |
| 0 | 5580 return JNI_ERR; |
| 5581 } | |
| 5582 | |
| 5583 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5584 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5585 #ifndef USDT2 |
| 0 | 5586 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5587 #else /* USDT2 */ |
| 5588 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5589 ret); | |
| 5590 #endif /* USDT2 */ | |
| 0 | 5591 return ret; |
| 5592 } | |
| 5593 | |
| 5594 | |
| 5595 } // End extern "C" | |
| 5596 | |
| 5597 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5598 NULL, | |
| 5599 NULL, | |
| 5600 NULL, | |
| 5601 | |
| 5602 jni_DestroyJavaVM, | |
| 5603 jni_AttachCurrentThread, | |
| 5604 jni_DetachCurrentThread, | |
| 5605 jni_GetEnv, | |
| 5606 jni_AttachCurrentThreadAsDaemon | |
| 5607 }; |