Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 4708:3c648b9ad052
7121373: Clean up CollectedHeap::is_in
Summary: Fixed G1CollectedHeap::is_in, added tests, cleaned up comments and made Space::is_in pure virtual.
Reviewed-by: brutisso, tonyp, jcoomes
| author | stefank |
|---|---|
| date | Wed, 14 Dec 2011 12:15:26 +0100 |
| parents | 6fd81579526f |
| children | 94ec88ca68e2 |
| 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 #ifndef SERIALGC |
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33 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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34 #endif // SERIALGC |
| 1972 | 35 #include "memory/allocation.inline.hpp" |
| 36 #include "memory/gcLocker.inline.hpp" | |
| 37 #include "memory/oopFactory.hpp" | |
| 38 #include "memory/universe.inline.hpp" | |
| 39 #include "oops/instanceKlass.hpp" | |
| 40 #include "oops/instanceOop.hpp" | |
| 41 #include "oops/markOop.hpp" | |
| 42 #include "oops/methodOop.hpp" | |
| 43 #include "oops/objArrayKlass.hpp" | |
| 44 #include "oops/objArrayOop.hpp" | |
| 45 #include "oops/oop.inline.hpp" | |
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46 #include "oops/symbol.hpp" |
| 1972 | 47 #include "oops/typeArrayKlass.hpp" |
| 48 #include "oops/typeArrayOop.hpp" | |
| 49 #include "prims/jni.h" | |
| 50 #include "prims/jniCheck.hpp" | |
| 51 #include "prims/jniFastGetField.hpp" | |
| 52 #include "prims/jvm.h" | |
| 53 #include "prims/jvm_misc.hpp" | |
| 54 #include "prims/jvmtiExport.hpp" | |
| 55 #include "prims/jvmtiThreadState.hpp" | |
| 56 #include "runtime/compilationPolicy.hpp" | |
| 57 #include "runtime/fieldDescriptor.hpp" | |
| 58 #include "runtime/fprofiler.hpp" | |
| 59 #include "runtime/handles.inline.hpp" | |
| 60 #include "runtime/interfaceSupport.hpp" | |
| 61 #include "runtime/java.hpp" | |
| 62 #include "runtime/javaCalls.hpp" | |
| 63 #include "runtime/jfieldIDWorkaround.hpp" | |
| 64 #include "runtime/reflection.hpp" | |
| 65 #include "runtime/sharedRuntime.hpp" | |
| 66 #include "runtime/signature.hpp" | |
| 67 #include "runtime/vm_operations.hpp" | |
| 68 #include "services/runtimeService.hpp" | |
| 69 #include "utilities/defaultStream.hpp" | |
| 70 #include "utilities/dtrace.hpp" | |
| 71 #include "utilities/events.hpp" | |
| 72 #include "utilities/histogram.hpp" | |
| 73 #ifdef TARGET_OS_FAMILY_linux | |
| 74 # include "os_linux.inline.hpp" | |
| 75 # include "thread_linux.inline.hpp" | |
| 76 #endif | |
| 77 #ifdef TARGET_OS_FAMILY_solaris | |
| 78 # include "os_solaris.inline.hpp" | |
| 79 # include "thread_solaris.inline.hpp" | |
| 80 #endif | |
| 81 #ifdef TARGET_OS_FAMILY_windows | |
| 82 # include "os_windows.inline.hpp" | |
| 83 # include "thread_windows.inline.hpp" | |
| 84 #endif | |
| 3960 | 85 #ifdef TARGET_OS_FAMILY_bsd |
| 86 # include "os_bsd.inline.hpp" | |
| 87 # include "thread_bsd.inline.hpp" | |
| 88 #endif | |
| 0 | 89 |
| 90 static jint CurrentVersion = JNI_VERSION_1_6; | |
| 91 | |
| 92 | |
| 93 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 94 // '-return' probe regardless of the return path is taken out of the function. | |
| 95 // Methods that have multiple return paths use this to avoid having to | |
| 96 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 97 // since those macros can cause an immedate uninstrumented return. | |
| 98 // | |
| 99 // In order to get the return value, a reference to the variable containing | |
| 100 // the return value must be passed to the contructor of the object, and | |
| 101 // the return value must be set before return (since the mark object has | |
| 102 // a reference to it). | |
| 103 // | |
| 104 // Example: | |
| 105 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 106 // JNI_ENTRY(int, SomeFunc, ...) | |
| 107 // int return_value = 0; | |
| 108 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 109 // foo(CHECK_0) | |
| 110 // return_value = 5; | |
| 111 // return return_value; | |
| 112 // JNI_END | |
| 4006 | 113 #ifndef USDT2 |
| 0 | 114 #define DT_RETURN_MARK_DECL(name, type) \ |
| 115 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 116 DTRACE_ONLY( \ | |
| 117 class DTraceReturnProbeMark_##name { \ | |
| 118 public: \ | |
| 119 const type& _ret_ref; \ | |
| 120 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 121 ~DTraceReturnProbeMark_##name() { \ | |
| 122 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 123 } \ | |
| 124 } \ | |
| 125 ) | |
| 126 // Void functions are simpler since there's no return value | |
| 127 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 128 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 129 DTRACE_ONLY( \ | |
| 130 class DTraceReturnProbeMark_##name { \ | |
| 131 public: \ | |
| 132 ~DTraceReturnProbeMark_##name() { \ | |
| 133 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 134 } \ | |
| 135 } \ | |
| 136 ) | |
| 137 | |
| 4006 | 138 #else /* USDT2 */ |
| 139 | |
| 140 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 141 DTRACE_ONLY( \ | |
| 142 class DTraceReturnProbeMark_##name { \ | |
| 143 public: \ | |
| 144 const type& _ret_ref; \ | |
| 145 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 146 ~DTraceReturnProbeMark_##name() { \ | |
| 147 probe; \ | |
| 148 } \ | |
| 149 } \ | |
| 150 ) | |
| 151 // Void functions are simpler since there's no return value | |
| 152 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 153 DTRACE_ONLY( \ | |
| 154 class DTraceReturnProbeMark_##name { \ | |
| 155 public: \ | |
| 156 ~DTraceReturnProbeMark_##name() { \ | |
| 157 probe; \ | |
| 158 } \ | |
| 159 } \ | |
| 160 ) | |
| 161 #endif /* USDT2 */ | |
| 0 | 162 |
| 163 // Place these macros in the function to mark the return. Non-void | |
| 164 // functions need the type and address of the return value. | |
| 165 #define DT_RETURN_MARK(name, type, ref) \ | |
| 166 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 167 #define DT_VOID_RETURN_MARK(name) \ | |
| 168 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 169 | |
| 170 | |
| 171 // Use these to select distinct code for floating-point vs. non-floating point | |
| 172 // situations. Used from within common macros where we need slightly | |
| 173 // different behavior for Float/Double | |
| 174 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 175 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 176 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 177 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 178 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 179 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 180 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 181 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 182 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 183 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 184 FP_SELECT_##TypeName(intcode, fpcode) | |
| 185 | |
| 186 #define COMMA , | |
| 187 | |
| 188 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 189 // (dtrace doesn't do FP yet) | |
| 4006 | 190 #ifndef USDT2 |
| 0 | 191 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 192 FP_SELECT(TypeName, \ | |
| 193 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 194 #else /* USDT2 */ |
| 195 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 196 FP_SELECT(TypeName, \ | |
| 197 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 198 #endif /* USDT2 */ | |
| 0 | 199 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 200 FP_SELECT(TypeName, \ | |
| 201 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 202 | |
| 203 | |
| 204 // out-of-line helpers for class jfieldIDWorkaround: | |
| 205 | |
| 206 bool jfieldIDWorkaround::is_valid_jfieldID(klassOop k, jfieldID id) { | |
| 207 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { | |
| 208 uintptr_t as_uint = (uintptr_t) id; | |
| 209 intptr_t offset = raw_instance_offset(id); | |
| 210 if (is_checked_jfieldID(id)) { | |
| 211 if (!klass_hash_ok(k, id)) { | |
| 212 return false; | |
| 213 } | |
| 214 } | |
| 215 return instanceKlass::cast(k)->contains_field_offset(offset); | |
| 216 } else { | |
| 217 JNIid* result = (JNIid*) id; | |
| 218 #ifdef ASSERT | |
| 219 return result != NULL && result->is_static_field_id(); | |
| 220 #else | |
| 221 return result != NULL; | |
| 222 #endif | |
| 223 } | |
| 224 } | |
| 225 | |
| 226 | |
| 227 intptr_t jfieldIDWorkaround::encode_klass_hash(klassOop k, intptr_t offset) { | |
| 228 if (offset <= small_offset_mask) { | |
| 229 klassOop field_klass = k; | |
| 230 klassOop super_klass = Klass::cast(field_klass)->super(); | |
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231 // With compressed oops the most super class with nonstatic fields would |
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232 // be the owner of fields embedded in the header. |
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233 while (instanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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234 instanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 235 field_klass = super_klass; // super contains the field also |
| 236 super_klass = Klass::cast(field_klass)->super(); | |
| 237 } | |
| 238 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 239 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 240 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 241 } else { | |
| 242 #if 0 | |
| 243 #ifndef PRODUCT | |
| 244 { | |
| 245 ResourceMark rm; | |
| 246 warning("VerifyJNIFields: long offset %d in %s", offset, Klass::cast(k)->external_name()); | |
| 247 } | |
| 248 #endif | |
| 249 #endif | |
| 250 return 0; | |
| 251 } | |
| 252 } | |
| 253 | |
| 254 bool jfieldIDWorkaround::klass_hash_ok(klassOop k, jfieldID id) { | |
| 255 uintptr_t as_uint = (uintptr_t) id; | |
| 256 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 257 do { | |
| 258 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 259 // Could use a non-blocking query for identity_hash here... | |
| 260 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 261 return true; | |
| 262 k = Klass::cast(k)->super(); | |
| 263 } while (k != NULL); | |
| 264 return false; | |
| 265 } | |
| 266 | |
| 267 void jfieldIDWorkaround::verify_instance_jfieldID(klassOop k, jfieldID id) { | |
| 268 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); | |
| 269 uintptr_t as_uint = (uintptr_t) id; | |
| 270 intptr_t offset = raw_instance_offset(id); | |
| 271 if (VerifyJNIFields) { | |
| 272 if (is_checked_jfieldID(id)) { | |
| 273 guarantee(klass_hash_ok(k, id), | |
| 274 "Bug in native code: jfieldID class must match object"); | |
| 275 } else { | |
| 276 #if 0 | |
| 277 #ifndef PRODUCT | |
| 278 if (Verbose) { | |
| 279 ResourceMark rm; | |
| 280 warning("VerifyJNIFields: unverified offset %d for %s", offset, Klass::cast(k)->external_name()); | |
| 281 } | |
| 282 #endif | |
| 283 #endif | |
| 284 } | |
| 285 } | |
| 286 guarantee(instanceKlass::cast(k)->contains_field_offset(offset), | |
| 287 "Bug in native code: jfieldID offset must address interior of object"); | |
| 288 } | |
| 289 | |
| 290 // Pick a reasonable higher bound for local capacity requested | |
| 291 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 292 // high because a test (or very unusual application) may try to allocate | |
| 293 // that many handles and run out of swap space. An implementation is | |
| 294 // permitted to allocate more handles than the ensured capacity, so this | |
| 295 // value is set high enough to prevent compatibility problems. | |
| 296 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 297 | |
| 298 | |
| 299 // Wrapper to trace JNI functions | |
| 300 | |
| 301 #ifdef ASSERT | |
| 302 Histogram* JNIHistogram; | |
| 303 static volatile jint JNIHistogram_lock = 0; | |
| 304 | |
| 305 class JNITraceWrapper : public StackObj { | |
| 306 public: | |
| 307 JNITraceWrapper(const char* format, ...) { | |
| 308 if (TraceJNICalls) { | |
| 309 va_list ap; | |
| 310 va_start(ap, format); | |
| 311 tty->print("JNI "); | |
| 312 tty->vprint_cr(format, ap); | |
| 313 va_end(ap); | |
| 314 } | |
| 315 } | |
| 316 }; | |
| 317 | |
| 318 class JNIHistogramElement : public HistogramElement { | |
| 319 public: | |
| 320 JNIHistogramElement(const char* name); | |
| 321 }; | |
| 322 | |
| 323 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 324 _name = elementName; | |
| 325 uintx count = 0; | |
| 326 | |
| 327 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 328 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 329 count +=1; | |
| 330 if ( (WarnOnStalledSpinLock > 0) | |
| 331 && (count % WarnOnStalledSpinLock == 0)) { | |
| 332 warning("JNIHistogram_lock seems to be stalled"); | |
| 333 } | |
| 334 } | |
| 335 } | |
| 336 | |
| 337 | |
| 338 if(JNIHistogram == NULL) | |
| 339 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 340 | |
| 341 JNIHistogram->add_element(this); | |
| 342 Atomic::dec(&JNIHistogram_lock); | |
| 343 } | |
| 344 | |
| 345 #define JNICountWrapper(arg) \ | |
| 346 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 347 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 348 if (e != NULL) e->increment_count() | |
| 349 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 350 #else | |
| 351 #define JNIWrapper(arg) | |
| 352 #endif | |
| 353 | |
| 354 | |
| 355 // Implementation of JNI entries | |
| 356 | |
| 4006 | 357 #ifndef USDT2 |
| 0 | 358 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 359 #else /* USDT2 */ |
| 360 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 361 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 362 #endif /* USDT2 */ | |
| 0 | 363 |
| 364 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 365 const jbyte *buf, jsize bufLen)) | |
| 366 JNIWrapper("DefineClass"); | |
| 367 | |
| 4006 | 368 #ifndef USDT2 |
| 0 | 369 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 370 env, name, loaderRef, buf, bufLen); | |
| 4006 | 371 #else /* USDT2 */ |
| 372 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 373 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 374 #endif /* USDT2 */ | |
| 0 | 375 jclass cls = NULL; |
| 376 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 377 | |
| 378 // Since exceptions can be thrown, class initialization can take place | |
| 379 // if name is NULL no check for class name in .class stream has to be made. | |
| 380 if (name != NULL) { | |
| 381 const int str_len = (int)strlen(name); | |
|
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382 if (str_len > Symbol::max_length()) { |
| 0 | 383 // It's impossible to create this class; the name cannot fit |
| 384 // into the constant pool. | |
| 385 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 386 } | |
| 387 } | |
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388 TempNewSymbol class_name = SymbolTable::new_symbol(name, THREAD); |
| 0 | 389 |
| 390 ResourceMark rm(THREAD); | |
| 391 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 392 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 393 | |
| 394 if (UsePerfData && !class_loader.is_null()) { | |
| 395 // check whether the current caller thread holds the lock or not. | |
| 396 // If not, increment the corresponding counter | |
| 397 if (ObjectSynchronizer:: | |
| 398 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 399 ObjectSynchronizer::owner_self) { | |
| 400 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 401 } | |
| 402 } | |
| 403 klassOop k = SystemDictionary::resolve_from_stream(class_name, class_loader, | |
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404 Handle(), &st, true, |
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405 CHECK_NULL); |
| 0 | 406 |
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407 if (TraceClassResolution && k != NULL) { |
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408 trace_class_resolution(k); |
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409 } |
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410 |
| 0 | 411 cls = (jclass)JNIHandles::make_local( |
| 412 env, Klass::cast(k)->java_mirror()); | |
| 413 return cls; | |
| 414 JNI_END | |
| 415 | |
| 416 | |
| 417 | |
| 418 static bool first_time_FindClass = true; | |
| 419 | |
| 4006 | 420 #ifndef USDT2 |
| 0 | 421 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 422 #else /* USDT2 */ |
| 423 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 424 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 425 #endif /* USDT2 */ | |
| 0 | 426 |
| 427 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 428 JNIWrapper("FindClass"); | |
| 4006 | 429 #ifndef USDT2 |
| 0 | 430 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 431 #else /* USDT2 */ |
| 432 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 433 env, (char *)name); | |
| 434 #endif /* USDT2 */ | |
| 0 | 435 |
| 436 jclass result = NULL; | |
| 437 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 438 | |
| 439 // Remember if we are the first invocation of jni_FindClass | |
| 440 bool first_time = first_time_FindClass; | |
| 441 first_time_FindClass = false; | |
| 442 | |
| 443 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 444 // name we can fit in the constant pool. | |
|
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445 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 446 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 447 } | |
| 448 | |
| 449 //%note jni_3 | |
| 450 Handle loader; | |
| 451 Handle protection_domain; | |
| 452 // Find calling class | |
| 453 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 454 if (k.not_null()) { | |
| 455 loader = Handle(THREAD, k->class_loader()); | |
| 456 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 457 // in the correct class context. | |
| 458 if (loader.is_null() && | |
| 459 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 460 JavaValue result(T_OBJECT); | |
| 461 JavaCalls::call_static(&result, k, | |
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462 vmSymbols::getFromClass_name(), |
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463 vmSymbols::void_class_signature(), |
| 0 | 464 thread); |
| 465 if (HAS_PENDING_EXCEPTION) { | |
| 466 Handle ex(thread, thread->pending_exception()); | |
| 467 CLEAR_PENDING_EXCEPTION; | |
| 468 THROW_HANDLE_0(ex); | |
| 469 } | |
| 470 oop mirror = (oop) result.get_jobject(); | |
| 471 loader = Handle(THREAD, | |
| 472 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->class_loader()); | |
| 473 protection_domain = Handle(THREAD, | |
| 474 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->protection_domain()); | |
| 475 } | |
| 476 } else { | |
| 477 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 478 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 479 } | |
| 480 | |
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481 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 482 result = find_class_from_class_loader(env, sym, true, loader, |
| 483 protection_domain, true, thread); | |
| 484 | |
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485 if (TraceClassResolution && result != NULL) { |
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486 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
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487 } |
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488 |
| 0 | 489 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 490 // rather than just allowing invocation counter to overflow and decay. | |
| 491 // Controlled by flag DelayCompilationDuringStartup. | |
| 492 if (first_time && !CompileTheWorld) | |
| 493 CompilationPolicy::completed_vm_startup(); | |
| 494 | |
| 495 return result; | |
| 496 JNI_END | |
| 497 | |
| 4006 | 498 #ifndef USDT2 |
| 0 | 499 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 500 #else /* USDT2 */ |
| 501 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 502 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 503 #endif /* USDT2 */ | |
| 0 | 504 |
| 505 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 506 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 507 #ifndef USDT2 |
| 0 | 508 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 509 #else /* USDT2 */ |
| 510 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 511 env, method); | |
| 512 #endif /* USDT2 */ | |
| 0 | 513 jmethodID ret = NULL; |
| 514 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 515 | |
| 516 // method is a handle to a java.lang.reflect.Method object | |
| 517 oop reflected = JNIHandles::resolve_non_null(method); | |
| 518 oop mirror = NULL; | |
| 519 int slot = 0; | |
| 520 | |
| 1142 | 521 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 522 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 523 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 524 } else { | |
| 1142 | 525 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 526 mirror = java_lang_reflect_Method::clazz(reflected); |
| 527 slot = java_lang_reflect_Method::slot(reflected); | |
| 528 } | |
| 529 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 530 | |
| 531 KlassHandle k1(THREAD, k); | |
| 532 // Make sure class is initialized before handing id's out to methods | |
| 533 Klass::cast(k1())->initialize(CHECK_NULL); | |
| 534 methodOop m = instanceKlass::cast(k1())->method_with_idnum(slot); | |
| 535 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted | |
| 536 return ret; | |
| 537 JNI_END | |
| 538 | |
| 4006 | 539 #ifndef USDT2 |
| 0 | 540 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 541 #else /* USDT2 */ |
| 542 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 543 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 544 #endif /* USDT2 */ | |
| 0 | 545 |
| 546 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 547 JNIWrapper("FromReflectedField"); | |
| 4006 | 548 #ifndef USDT2 |
| 0 | 549 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 550 #else /* USDT2 */ |
| 551 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 552 env, field); | |
| 553 #endif /* USDT2 */ | |
| 0 | 554 jfieldID ret = NULL; |
| 555 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 556 | |
| 557 // field is a handle to a java.lang.reflect.Field object | |
| 558 oop reflected = JNIHandles::resolve_non_null(field); | |
| 559 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
| 560 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 561 int slot = java_lang_reflect_Field::slot(reflected); | |
| 562 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 563 | |
| 564 KlassHandle k1(THREAD, k); | |
| 565 // Make sure class is initialized before handing id's out to fields | |
| 566 Klass::cast(k1())->initialize(CHECK_NULL); | |
| 567 | |
| 568 // First check if this is a static field | |
| 569 if (modifiers & JVM_ACC_STATIC) { | |
| 3938 | 570 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
| 0 | 571 JNIid* id = instanceKlass::cast(k1())->jni_id_for(offset); |
| 572 assert(id != NULL, "corrupt Field object"); | |
| 573 debug_only(id->set_is_static_field_id();) | |
| 574 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
| 575 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 576 return ret; | |
| 577 } | |
| 578 | |
| 579 // The slot is the index of the field description in the field-array | |
| 580 // The jfieldID is the offset of the field within the object | |
| 581 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 3938 | 582 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
| 0 | 583 assert(instanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 584 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); | |
| 585 return ret; | |
| 586 JNI_END | |
| 587 | |
| 4006 | 588 #ifndef USDT2 |
| 0 | 589 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 590 #else /* USDT2 */ |
| 591 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 592 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 593 #endif /* USDT2 */ | |
| 0 | 594 |
| 595 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 596 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 597 #ifndef USDT2 |
| 0 | 598 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 599 #else /* USDT2 */ |
| 600 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 601 env, cls, (uintptr_t) method_id, isStatic); | |
| 602 #endif /* USDT2 */ | |
| 0 | 603 jobject ret = NULL; |
| 604 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 605 | |
| 606 methodHandle m (THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
| 607 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); | |
| 608 oop reflection_method; | |
| 609 if (m->is_initializer()) { | |
| 610 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 611 } else { | |
| 612 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 613 } | |
| 614 ret = JNIHandles::make_local(env, reflection_method); | |
| 615 return ret; | |
| 616 JNI_END | |
| 617 | |
| 4006 | 618 #ifndef USDT2 |
| 0 | 619 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 620 #else /* USDT2 */ |
| 621 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 622 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 623 #endif /* USDT2 */ | |
| 0 | 624 |
| 625 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 626 JNIWrapper("GetSuperclass"); | |
| 4006 | 627 #ifndef USDT2 |
| 0 | 628 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 629 #else /* USDT2 */ |
| 630 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 631 env, sub); | |
| 632 #endif /* USDT2 */ | |
| 0 | 633 jclass obj = NULL; |
| 634 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 635 | |
| 636 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 637 // primitive classes return NULL | |
| 638 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 639 | |
| 640 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 641 // arrays return Object | |
| 642 // interfaces return NULL | |
| 643 // proper classes return Klass::super() | |
| 644 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 645 if (Klass::cast(k)->is_interface()) return NULL; | |
| 646 | |
| 647 // return mirror for superclass | |
| 648 klassOop super = Klass::cast(k)->java_super(); | |
| 649 // super2 is the value computed by the compiler's getSuperClass intrinsic: | |
| 650 debug_only(klassOop super2 = ( Klass::cast(k)->oop_is_javaArray() | |
| 1142 | 651 ? SystemDictionary::Object_klass() |
| 0 | 652 : Klass::cast(k)->super() ) ); |
| 653 assert(super == super2, | |
| 654 "java_super computation depends on interface, array, other super"); | |
| 655 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(Klass::cast(super)->java_mirror()); | |
| 656 return obj; | |
| 657 JNI_END | |
| 658 | |
| 659 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 660 JNIWrapper("IsSubclassOf"); | |
| 4006 | 661 #ifndef USDT2 |
| 0 | 662 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 663 #else /* USDT2 */ |
| 664 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 665 env, sub, super); | |
| 666 #endif /* USDT2 */ | |
| 0 | 667 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 668 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 669 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 670 java_lang_Class::is_primitive(super_mirror)) { | |
| 671 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 672 #ifndef USDT2 |
| 0 | 673 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 674 #else /* USDT2 */ |
| 675 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 676 ret); | |
| 677 #endif /* USDT2 */ | |
| 0 | 678 return ret; |
| 679 } | |
| 680 klassOop sub_klass = java_lang_Class::as_klassOop(sub_mirror); | |
| 681 klassOop super_klass = java_lang_Class::as_klassOop(super_mirror); | |
| 682 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); | |
| 683 jboolean ret = Klass::cast(sub_klass)->is_subtype_of(super_klass) ? | |
| 684 JNI_TRUE : JNI_FALSE; | |
| 4006 | 685 #ifndef USDT2 |
| 0 | 686 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 687 #else /* USDT2 */ |
| 688 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 689 ret); | |
| 690 #endif /* USDT2 */ | |
| 0 | 691 return ret; |
| 692 JNI_END | |
| 693 | |
| 4006 | 694 #ifndef USDT2 |
| 0 | 695 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 696 #else /* USDT2 */ |
| 697 DT_RETURN_MARK_DECL(Throw, jint | |
| 698 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 699 #endif /* USDT2 */ | |
| 0 | 700 |
| 701 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 702 JNIWrapper("Throw"); | |
| 4006 | 703 #ifndef USDT2 |
| 0 | 704 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 705 #else /* USDT2 */ |
| 706 HOTSPOT_JNI_THROW_ENTRY( | |
| 707 env, obj); | |
| 708 #endif /* USDT2 */ | |
| 0 | 709 jint ret = JNI_OK; |
| 710 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 711 | |
| 712 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 713 ShouldNotReachHere(); | |
| 714 JNI_END | |
| 715 | |
| 4006 | 716 #ifndef USDT2 |
| 0 | 717 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 718 #else /* USDT2 */ |
| 719 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 720 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 721 #endif /* USDT2 */ | |
| 0 | 722 |
| 723 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 724 JNIWrapper("ThrowNew"); | |
| 4006 | 725 #ifndef USDT2 |
| 0 | 726 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 727 #else /* USDT2 */ |
| 728 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 729 env, clazz, (char *) message); | |
| 730 #endif /* USDT2 */ | |
| 0 | 731 jint ret = JNI_OK; |
| 732 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 733 | |
| 734 instanceKlass* k = instanceKlass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
|
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735 Symbol* name = k->name(); |
| 0 | 736 Handle class_loader (THREAD, k->class_loader()); |
| 737 Handle protection_domain (THREAD, k->protection_domain()); | |
| 738 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 739 ShouldNotReachHere(); | |
| 740 JNI_END | |
| 741 | |
| 742 | |
| 743 // JNI functions only transform a pending async exception to a synchronous | |
| 744 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 745 // delivering an async exception in other places won't change the native | |
| 746 // code's control flow and would be harmful when native code further calls | |
| 747 // JNI functions with a pending exception. Async exception is also checked | |
| 748 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 749 // false but deliver the async exception at the very end during | |
| 750 // state transition. | |
| 751 | |
| 752 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 753 assert(thread == Thread::current(), "must be itself"); | |
| 754 thread->check_and_handle_async_exceptions(); | |
| 755 } | |
| 756 | |
| 757 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 758 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 759 #ifndef USDT2 |
| 0 | 760 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 761 #else /* USDT2 */ |
| 762 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 763 env); | |
| 764 #endif /* USDT2 */ | |
| 0 | 765 jni_check_async_exceptions(thread); |
| 766 oop exception = thread->pending_exception(); | |
| 767 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 768 #ifndef USDT2 |
| 0 | 769 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 770 #else /* USDT2 */ |
| 771 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 772 ret); | |
| 773 #endif /* USDT2 */ | |
| 0 | 774 return ret; |
| 775 JNI_END | |
| 776 | |
| 777 | |
| 778 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 779 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 780 #ifndef USDT2 |
| 0 | 781 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 782 #else /* USDT2 */ |
| 783 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 784 env); | |
| 785 #endif /* USDT2 */ | |
| 0 | 786 if (thread->has_pending_exception()) { |
| 787 Handle ex(thread, thread->pending_exception()); | |
| 788 thread->clear_pending_exception(); | |
| 1142 | 789 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 790 // Don't print anything if we are being killed. |
| 791 } else { | |
| 792 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 793 if (thread != NULL && thread->threadObj() != NULL) { | |
| 794 ResourceMark rm(THREAD); | |
| 795 jio_fprintf(defaultStream::error_stream(), | |
| 796 "in thread \"%s\" ", thread->get_thread_name()); | |
| 797 } | |
| 1142 | 798 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 799 JavaValue result(T_VOID); |
| 800 JavaCalls::call_virtual(&result, | |
| 801 ex, | |
| 802 KlassHandle(THREAD, | |
| 1142 | 803 SystemDictionary::Throwable_klass()), |
|
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804 vmSymbols::printStackTrace_name(), |
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805 vmSymbols::void_method_signature(), |
| 0 | 806 THREAD); |
| 807 // If an exception is thrown in the call it gets thrown away. Not much | |
| 808 // we can do with it. The native code that calls this, does not check | |
| 809 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 810 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 811 // is expected. | |
| 812 CLEAR_PENDING_EXCEPTION; | |
| 813 } else { | |
| 814 ResourceMark rm(THREAD); | |
| 815 jio_fprintf(defaultStream::error_stream(), | |
| 816 ". Uncaught exception of type %s.", | |
| 817 Klass::cast(ex->klass())->external_name()); | |
| 818 } | |
| 819 } | |
| 820 } | |
| 4006 | 821 #ifndef USDT2 |
| 0 | 822 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 823 #else /* USDT2 */ |
| 824 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 825 ); | |
| 826 #endif /* USDT2 */ | |
| 0 | 827 JNI_END |
| 828 | |
| 829 | |
| 830 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 831 JNIWrapper("ExceptionClear"); | |
| 4006 | 832 #ifndef USDT2 |
| 0 | 833 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 834 #else /* USDT2 */ |
| 835 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 836 env); | |
| 837 #endif /* USDT2 */ | |
| 0 | 838 |
| 839 // The jni code might be using this API to clear java thrown exception. | |
| 840 // So just mark jvmti thread exception state as exception caught. | |
| 841 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 842 if (state != NULL && state->is_exception_detected()) { | |
| 843 state->set_exception_caught(); | |
| 844 } | |
| 845 thread->clear_pending_exception(); | |
| 4006 | 846 #ifndef USDT2 |
| 0 | 847 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 848 #else /* USDT2 */ |
| 849 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 850 ); | |
| 851 #endif /* USDT2 */ | |
| 0 | 852 JNI_END |
| 853 | |
| 854 | |
| 855 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 856 JNIWrapper("FatalError"); | |
| 4006 | 857 #ifndef USDT2 |
| 0 | 858 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 859 #else /* USDT2 */ |
| 860 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 861 env, (char *) msg); | |
| 862 #endif /* USDT2 */ | |
| 0 | 863 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 864 thread->print_stack(); | |
|
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865 os::abort(); // Dump core and abort |
| 0 | 866 JNI_END |
| 867 | |
| 868 | |
| 869 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 870 JNIWrapper("PushLocalFrame"); | |
| 4006 | 871 #ifndef USDT2 |
| 0 | 872 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 873 #else /* USDT2 */ |
| 874 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 875 env, capacity); | |
| 876 #endif /* USDT2 */ | |
| 0 | 877 //%note jni_11 |
| 878 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 4006 | 879 #ifndef USDT2 |
| 0 | 880 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 881 #else /* USDT2 */ |
| 882 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 883 (uint32_t)JNI_ERR); | |
| 884 #endif /* USDT2 */ | |
| 0 | 885 return JNI_ERR; |
| 886 } | |
| 887 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 888 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 889 assert(new_handles != NULL, "should not be NULL"); | |
| 890 new_handles->set_pop_frame_link(old_handles); | |
| 891 thread->set_active_handles(new_handles); | |
| 892 jint ret = JNI_OK; | |
| 4006 | 893 #ifndef USDT2 |
| 0 | 894 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 895 #else /* USDT2 */ |
| 896 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 897 ret); | |
| 898 #endif /* USDT2 */ | |
| 0 | 899 return ret; |
| 900 JNI_END | |
| 901 | |
| 902 | |
| 903 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 904 JNIWrapper("PopLocalFrame"); | |
| 4006 | 905 #ifndef USDT2 |
| 0 | 906 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 907 #else /* USDT2 */ |
| 908 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 909 env, result); | |
| 910 #endif /* USDT2 */ | |
| 0 | 911 //%note jni_11 |
| 912 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 913 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 914 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 915 if (new_handles != NULL) { | |
| 916 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 917 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 918 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 919 // the release_block call will release the blocks. | |
| 920 thread->set_active_handles(new_handles); | |
| 921 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 922 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 923 result = JNIHandles::make_local(thread, result_handle()); | |
| 924 } | |
| 4006 | 925 #ifndef USDT2 |
| 0 | 926 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 927 #else /* USDT2 */ |
| 928 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 929 result); | |
| 930 #endif /* USDT2 */ | |
| 0 | 931 return result; |
| 932 JNI_END | |
| 933 | |
| 934 | |
| 935 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 936 JNIWrapper("NewGlobalRef"); | |
| 4006 | 937 #ifndef USDT2 |
| 0 | 938 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 939 #else /* USDT2 */ |
| 940 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 941 env, ref); | |
| 942 #endif /* USDT2 */ | |
| 0 | 943 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 944 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 945 #ifndef USDT2 |
| 0 | 946 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 947 #else /* USDT2 */ |
| 948 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 949 ret); | |
| 950 #endif /* USDT2 */ | |
| 0 | 951 return ret; |
| 952 JNI_END | |
| 953 | |
| 954 // Must be JNI_ENTRY (with HandleMark) | |
| 955 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 956 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 957 #ifndef USDT2 |
| 0 | 958 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 959 #else /* USDT2 */ |
| 960 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 961 env, ref); | |
| 962 #endif /* USDT2 */ | |
| 0 | 963 JNIHandles::destroy_global(ref); |
| 4006 | 964 #ifndef USDT2 |
| 0 | 965 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 966 #else /* USDT2 */ |
| 967 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 968 ); | |
| 969 #endif /* USDT2 */ | |
| 0 | 970 JNI_END |
| 971 | |
| 972 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 973 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 974 #ifndef USDT2 |
| 0 | 975 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 976 #else /* USDT2 */ |
| 977 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 978 env, obj); | |
| 979 #endif /* USDT2 */ | |
| 0 | 980 JNIHandles::destroy_local(obj); |
| 4006 | 981 #ifndef USDT2 |
| 0 | 982 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 983 #else /* USDT2 */ |
| 984 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 985 ); | |
| 986 #endif /* USDT2 */ | |
| 0 | 987 JNI_END |
| 988 | |
| 989 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 990 JNIWrapper("IsSameObject"); | |
| 4006 | 991 #ifndef USDT2 |
| 0 | 992 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 993 #else /* USDT2 */ |
| 994 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 995 env, r1, r2); | |
| 996 #endif /* USDT2 */ | |
| 0 | 997 oop a = JNIHandles::resolve(r1); |
| 998 oop b = JNIHandles::resolve(r2); | |
| 999 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1000 #ifndef USDT2 |
| 0 | 1001 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1002 #else /* USDT2 */ |
| 1003 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1004 ret); | |
| 1005 #endif /* USDT2 */ | |
| 0 | 1006 return ret; |
| 1007 JNI_END | |
| 1008 | |
| 1009 | |
| 1010 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1011 JNIWrapper("NewLocalRef"); | |
| 4006 | 1012 #ifndef USDT2 |
| 0 | 1013 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1014 #else /* USDT2 */ |
| 1015 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1016 env, ref); | |
| 1017 #endif /* USDT2 */ | |
| 0 | 1018 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1019 #ifndef USDT2 |
| 0 | 1020 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1021 #else /* USDT2 */ |
| 1022 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1023 ret); | |
| 1024 #endif /* USDT2 */ | |
| 0 | 1025 return ret; |
| 1026 JNI_END | |
| 1027 | |
| 1028 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1029 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1030 #ifndef USDT2 |
| 0 | 1031 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1032 #else /* USDT2 */ |
| 1033 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1034 env, capacity); | |
| 1035 #endif /* USDT2 */ | |
| 0 | 1036 jint ret; |
| 1037 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1038 ret = JNI_OK; | |
| 1039 } else { | |
| 1040 ret = JNI_ERR; | |
| 1041 } | |
| 4006 | 1042 #ifndef USDT2 |
| 0 | 1043 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1044 #else /* USDT2 */ |
| 1045 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1046 ret); | |
| 1047 #endif /* USDT2 */ | |
| 0 | 1048 return ret; |
| 1049 JNI_END | |
| 1050 | |
| 1051 // Return the Handle Type | |
| 1052 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1053 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1054 #ifndef USDT2 |
| 0 | 1055 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1056 #else /* USDT2 */ |
| 1057 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1058 env, obj); | |
| 1059 #endif /* USDT2 */ | |
| 0 | 1060 jobjectRefType ret; |
| 1061 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1062 JNIHandles::is_frame_handle(thread, obj)) | |
| 1063 ret = JNILocalRefType; | |
| 1064 else if (JNIHandles::is_global_handle(obj)) | |
| 1065 ret = JNIGlobalRefType; | |
| 1066 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1067 ret = JNIWeakGlobalRefType; | |
| 1068 else | |
| 1069 ret = JNIInvalidRefType; | |
| 4006 | 1070 #ifndef USDT2 |
| 0 | 1071 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1072 #else /* USDT2 */ |
| 1073 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1074 (void *) ret); | |
| 1075 #endif /* USDT2 */ | |
| 0 | 1076 return ret; |
| 1077 JNI_END | |
| 1078 | |
| 1079 | |
| 1080 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1081 protected: | |
| 1082 JavaCallArguments* _arguments; | |
| 1083 | |
| 1084 virtual void get_bool () = 0; | |
| 1085 virtual void get_char () = 0; | |
| 1086 virtual void get_short () = 0; | |
| 1087 virtual void get_byte () = 0; | |
| 1088 virtual void get_int () = 0; | |
| 1089 virtual void get_long () = 0; | |
| 1090 virtual void get_float () = 0; | |
| 1091 virtual void get_double () = 0; | |
| 1092 virtual void get_object () = 0; | |
| 1093 | |
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1094 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1095 this->_return_type = T_ILLEGAL; |
| 1096 _arguments = NULL; | |
| 1097 } | |
| 1098 | |
| 1099 public: | |
| 1100 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1101 | |
| 1102 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1103 | |
| 1104 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1105 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1106 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1107 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1108 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1109 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1110 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1111 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1112 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1113 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1114 inline void do_void() { } | |
| 1115 | |
| 1116 JavaCallArguments* arguments() { return _arguments; } | |
| 1117 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1118 }; | |
| 1119 | |
| 1120 | |
| 1121 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1122 protected: | |
| 1123 va_list _ap; | |
| 1124 | |
| 1125 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1126 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1127 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1128 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1129 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1130 | |
| 1131 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1132 | |
| 1133 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1134 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1135 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1136 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1137 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1138 | |
| 1139 inline void set_ap(va_list rap) { | |
| 1140 #ifdef va_copy | |
| 1141 va_copy(_ap, rap); | |
| 1142 #elif defined (__va_copy) | |
| 1143 __va_copy(_ap, rap); | |
| 1144 #else | |
| 1145 _ap = rap; | |
| 1146 #endif | |
| 1147 } | |
| 1148 | |
| 1149 public: | |
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1150 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1151 : JNI_ArgumentPusher(signature) { |
| 0 | 1152 set_ap(rap); |
| 1153 } | |
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1154 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1155 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1156 set_ap(rap); |
| 1157 } | |
| 1158 | |
| 1159 // Optimized path if we have the bitvector form of signature | |
| 1160 void iterate( uint64_t fingerprint ) { | |
| 1161 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1162 else { | |
| 1163 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1164 result_feature_mask); | |
| 1165 | |
| 1166 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1167 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1168 while ( 1 ) { | |
| 1169 switch ( fingerprint & parameter_feature_mask ) { | |
| 1170 case bool_parm: | |
| 1171 case char_parm: | |
| 1172 case short_parm: | |
| 1173 case byte_parm: | |
| 1174 case int_parm: | |
| 1175 get_int(); | |
| 1176 break; | |
| 1177 case obj_parm: | |
| 1178 get_object(); | |
| 1179 break; | |
| 1180 case long_parm: | |
| 1181 get_long(); | |
| 1182 break; | |
| 1183 case float_parm: | |
| 1184 get_float(); | |
| 1185 break; | |
| 1186 case double_parm: | |
| 1187 get_double(); | |
| 1188 break; | |
| 1189 case done_parm: | |
| 1190 return; | |
| 1191 break; | |
| 1192 default: | |
| 1193 ShouldNotReachHere(); | |
| 1194 break; | |
| 1195 } | |
| 1196 fingerprint >>= parameter_feature_size; | |
| 1197 } | |
| 1198 } | |
| 1199 } | |
| 1200 }; | |
| 1201 | |
| 1202 | |
| 1203 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1204 protected: | |
| 1205 const jvalue *_ap; | |
| 1206 | |
| 1207 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1208 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1209 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1210 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1211 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1212 | |
| 1213 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1214 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1215 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1216 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1217 | |
| 1218 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1219 | |
| 1220 public: | |
|
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1221 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1222 : JNI_ArgumentPusher(signature) { |
| 0 | 1223 set_ap(rap); |
| 1224 } | |
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1225 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1226 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1227 set_ap(rap); |
| 1228 } | |
| 1229 | |
| 1230 // Optimized path if we have the bitvector form of signature | |
| 1231 void iterate( uint64_t fingerprint ) { | |
| 1232 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1233 else { | |
| 1234 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1235 result_feature_mask); | |
| 1236 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1237 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1238 while ( 1 ) { | |
| 1239 switch ( fingerprint & parameter_feature_mask ) { | |
| 1240 case bool_parm: | |
| 1241 get_bool(); | |
| 1242 break; | |
| 1243 case char_parm: | |
| 1244 get_char(); | |
| 1245 break; | |
| 1246 case short_parm: | |
| 1247 get_short(); | |
| 1248 break; | |
| 1249 case byte_parm: | |
| 1250 get_byte(); | |
| 1251 break; | |
| 1252 case int_parm: | |
| 1253 get_int(); | |
| 1254 break; | |
| 1255 case obj_parm: | |
| 1256 get_object(); | |
| 1257 break; | |
| 1258 case long_parm: | |
| 1259 get_long(); | |
| 1260 break; | |
| 1261 case float_parm: | |
| 1262 get_float(); | |
| 1263 break; | |
| 1264 case double_parm: | |
| 1265 get_double(); | |
| 1266 break; | |
| 1267 case done_parm: | |
| 1268 return; | |
| 1269 break; | |
| 1270 default: | |
| 1271 ShouldNotReachHere(); | |
| 1272 break; | |
| 1273 } | |
| 1274 fingerprint >>= parameter_feature_size; | |
| 1275 } | |
| 1276 } | |
| 1277 } | |
| 1278 }; | |
| 1279 | |
| 1280 | |
| 1281 enum JNICallType { | |
| 1282 JNI_STATIC, | |
| 1283 JNI_VIRTUAL, | |
| 1284 JNI_NONVIRTUAL | |
| 1285 }; | |
| 1286 | |
| 1287 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
| 1288 assert(!method.is_null() , "method should not be null"); | |
| 1289 | |
| 1290 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1291 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1292 KlassHandle spec_klass (THREAD, method->method_holder()); | |
|
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1293 Symbol* name = method->name(); |
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1294 Symbol* signature = method->signature(); |
| 0 | 1295 CallInfo info; |
| 1296 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1297 return info.selected_method(); | |
| 1298 } | |
| 1299 | |
| 1300 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
| 1301 assert(!method.is_null() , "method should not be null"); | |
| 1302 | |
| 1303 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1304 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1305 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1306 Symbol* name = method->name(); |
|
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1307 Symbol* signature = method->signature(); |
| 0 | 1308 CallInfo info; |
| 1309 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1310 return info.selected_method(); | |
| 1311 } | |
| 1312 | |
| 1313 | |
| 1314 | |
| 1315 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1316 methodHandle method(THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
| 1317 | |
| 1318 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1319 // the jni parser | |
| 1320 ResourceMark rm(THREAD); | |
| 1321 int number_of_parameters = method->size_of_parameters(); | |
| 1322 JavaCallArguments java_args(number_of_parameters); | |
| 1323 args->set_java_argument_object(&java_args); | |
| 1324 | |
| 1325 assert(method->is_static(), "method should be static"); | |
| 1326 | |
| 1327 // Fill out JavaCallArguments object | |
|
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1328 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1329 // Initialize result type |
| 1330 result->set_type(args->get_ret_type()); | |
| 1331 | |
| 1332 // Invoke the method. Result is returned as oop. | |
| 1333 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1334 | |
| 1335 // Convert result | |
| 1336 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1337 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1338 } | |
| 1339 } | |
| 1340 | |
| 1341 | |
| 1342 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1343 oop recv = JNIHandles::resolve(receiver); | |
| 1344 if (recv == NULL) { | |
| 1345 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1346 } | |
| 1347 Handle h_recv(THREAD, recv); | |
| 1348 | |
| 1349 int number_of_parameters; | |
| 1350 methodOop selected_method; | |
| 1351 { | |
| 1352 methodOop m = JNIHandles::resolve_jmethod_id(method_id); | |
| 1353 number_of_parameters = m->size_of_parameters(); | |
| 1354 klassOop holder = m->method_holder(); | |
| 1355 if (!(Klass::cast(holder))->is_interface()) { | |
| 1356 // non-interface call -- for that little speed boost, don't handlize | |
| 1357 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1358 if (call_type == JNI_VIRTUAL) { | |
| 1359 // jni_GetMethodID makes sure class is linked and initialized | |
| 1360 // so m should have a valid vtable index. | |
| 1361 int vtbl_index = m->vtable_index(); | |
| 1362 if (vtbl_index != methodOopDesc::nonvirtual_vtable_index) { | |
| 1363 klassOop k = h_recv->klass(); | |
| 1364 // k might be an arrayKlassOop but all vtables start at | |
| 1365 // the same place. The cast is to avoid virtual call and assertion. | |
| 1366 instanceKlass *ik = (instanceKlass*)k->klass_part(); | |
| 1367 selected_method = ik->method_at_vtable(vtbl_index); | |
| 1368 } else { | |
| 1369 // final method | |
| 1370 selected_method = m; | |
| 1371 } | |
| 1372 } else { | |
| 1373 // JNI_NONVIRTUAL call | |
| 1374 selected_method = m; | |
| 1375 } | |
| 1376 } else { | |
| 1377 // interface call | |
| 1378 KlassHandle h_holder(THREAD, holder); | |
| 1379 | |
| 1380 int itbl_index = m->cached_itable_index(); | |
| 1381 if (itbl_index == -1) { | |
| 1382 itbl_index = klassItable::compute_itable_index(m); | |
| 1383 m->set_cached_itable_index(itbl_index); | |
| 1384 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
| 1385 } | |
| 1386 klassOop k = h_recv->klass(); | |
| 1387 selected_method = instanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
| 1388 } | |
| 1389 } | |
| 1390 | |
| 1391 methodHandle method(THREAD, selected_method); | |
| 1392 | |
| 1393 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1394 // the jni parser | |
| 1395 ResourceMark rm(THREAD); | |
| 1396 JavaCallArguments java_args(number_of_parameters); | |
| 1397 args->set_java_argument_object(&java_args); | |
| 1398 | |
| 1399 // handle arguments | |
| 1400 assert(!method->is_static(), "method should not be static"); | |
| 1401 args->push_receiver(h_recv); // Push jobject handle | |
| 1402 | |
| 1403 // Fill out JavaCallArguments object | |
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1404 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1405 // Initialize result type |
| 1406 result->set_type(args->get_ret_type()); | |
| 1407 | |
| 1408 // Invoke the method. Result is returned as oop. | |
| 1409 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1410 | |
| 1411 // Convert result | |
| 1412 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1413 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1414 } | |
| 1415 } | |
| 1416 | |
| 1417 | |
| 1418 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
| 1419 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 1420 Klass::cast(k())->check_valid_for_instantiation(false, CHECK_NULL); | |
| 1421 instanceKlass::cast(k())->initialize(CHECK_NULL); | |
| 1422 instanceOop ih = instanceKlass::cast(k())->allocate_instance(THREAD); | |
| 1423 return ih; | |
| 1424 } | |
| 1425 | |
| 4006 | 1426 #ifndef USDT2 |
| 0 | 1427 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1428 #else /* USDT2 */ |
| 1429 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1430 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1431 #endif /* USDT2 */ | |
| 0 | 1432 |
| 1433 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1434 JNIWrapper("AllocObject"); | |
| 1435 | |
| 4006 | 1436 #ifndef USDT2 |
| 0 | 1437 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1438 #else /* USDT2 */ |
| 1439 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1440 env, clazz); | |
| 1441 #endif /* USDT2 */ | |
| 0 | 1442 jobject ret = NULL; |
| 1443 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1444 | |
| 1445 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1446 ret = JNIHandles::make_local(env, i); | |
| 1447 return ret; | |
| 1448 JNI_END | |
| 1449 | |
| 4006 | 1450 #ifndef USDT2 |
| 0 | 1451 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1452 #else /* USDT2 */ |
| 1453 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1454 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1455 #endif /* USDT2 */ | |
| 0 | 1456 |
| 1457 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1458 JNIWrapper("NewObjectA"); | |
| 4006 | 1459 #ifndef USDT2 |
| 0 | 1460 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1461 #else /* USDT2 */ |
| 1462 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1463 env, clazz, (uintptr_t) methodID); | |
| 1464 #endif /* USDT2 */ | |
| 0 | 1465 jobject obj = NULL; |
| 1466 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1467 | |
| 1468 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1469 obj = JNIHandles::make_local(env, i); | |
| 1470 JavaValue jvalue(T_VOID); | |
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1471 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1472 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1473 return obj; | |
| 1474 JNI_END | |
| 1475 | |
| 4006 | 1476 #ifndef USDT2 |
| 0 | 1477 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1478 #else /* USDT2 */ |
| 1479 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1480 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1481 #endif /* USDT2 */ | |
| 0 | 1482 |
| 1483 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1484 JNIWrapper("NewObjectV"); | |
| 4006 | 1485 #ifndef USDT2 |
| 0 | 1486 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1487 #else /* USDT2 */ |
| 1488 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1489 env, clazz, (uintptr_t) methodID); | |
| 1490 #endif /* USDT2 */ | |
| 0 | 1491 jobject obj = NULL; |
| 1492 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1493 | |
| 1494 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1495 obj = JNIHandles::make_local(env, i); | |
| 1496 JavaValue jvalue(T_VOID); | |
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1497 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1498 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1499 return obj; | |
| 1500 JNI_END | |
| 1501 | |
| 4006 | 1502 #ifndef USDT2 |
| 0 | 1503 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1504 #else /* USDT2 */ |
| 1505 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1506 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1507 #endif /* USDT2 */ | |
| 0 | 1508 |
| 1509 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1510 JNIWrapper("NewObject"); | |
| 4006 | 1511 #ifndef USDT2 |
| 0 | 1512 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1513 #else /* USDT2 */ |
| 1514 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1515 env, clazz, (uintptr_t) methodID); | |
| 1516 #endif /* USDT2 */ | |
| 0 | 1517 jobject obj = NULL; |
| 1518 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1519 | |
| 1520 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1521 obj = JNIHandles::make_local(env, i); | |
| 1522 va_list args; | |
| 1523 va_start(args, methodID); | |
| 1524 JavaValue jvalue(T_VOID); | |
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1525 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1526 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1527 va_end(args); | |
| 1528 return obj; | |
| 1529 JNI_END | |
| 1530 | |
| 1531 | |
| 1532 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1533 JNIWrapper("GetObjectClass"); | |
| 4006 | 1534 #ifndef USDT2 |
| 0 | 1535 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1536 #else /* USDT2 */ |
| 1537 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1538 env, obj); | |
| 1539 #endif /* USDT2 */ | |
| 0 | 1540 klassOop k = JNIHandles::resolve_non_null(obj)->klass(); |
| 1541 jclass ret = | |
| 1542 (jclass) JNIHandles::make_local(env, Klass::cast(k)->java_mirror()); | |
| 4006 | 1543 #ifndef USDT2 |
| 0 | 1544 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1545 #else /* USDT2 */ |
| 1546 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1547 ret); | |
| 1548 #endif /* USDT2 */ | |
| 0 | 1549 return ret; |
| 1550 JNI_END | |
| 1551 | |
| 1552 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1553 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1554 #ifndef USDT2 |
| 0 | 1555 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1556 #else /* USDT2 */ |
| 1557 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1558 env, obj, clazz); | |
| 1559 #endif /* USDT2 */ | |
| 0 | 1560 jboolean ret = JNI_TRUE; |
| 1561 if (obj != NULL) { | |
| 1562 ret = JNI_FALSE; | |
| 1563 klassOop k = java_lang_Class::as_klassOop( | |
| 1564 JNIHandles::resolve_non_null(clazz)); | |
| 1565 if (k != NULL) { | |
| 1566 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1567 } | |
| 1568 } | |
| 4006 | 1569 #ifndef USDT2 |
| 0 | 1570 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1571 #else /* USDT2 */ |
| 1572 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1573 ret); | |
| 1574 #endif /* USDT2 */ | |
| 0 | 1575 return ret; |
| 1576 JNI_END | |
| 1577 | |
| 1578 | |
| 1579 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1580 const char *sig, bool is_static, TRAPS) { | |
| 1581 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1582 // | |
| 1583 // The class should have been loaded (we have an instance of the class | |
| 1584 // passed in) so the method and signature should already be in the symbol | |
| 1585 // table. If they're not there, the method doesn't exist. | |
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1586 const char *name_to_probe = (name_str == NULL) |
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1587 ? vmSymbols::object_initializer_name()->as_C_string() |
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1588 : name_str; |
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1589 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1590 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1591 |
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1592 if (name == NULL || signature == NULL) { |
| 0 | 1593 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1594 } | |
| 1595 | |
| 1596 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1597 // primitive java.lang.Class | |
| 1598 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1599 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1600 } | |
| 1601 | |
| 1602 KlassHandle klass(THREAD, | |
| 1603 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 1604 | |
| 1605 // Make sure class is linked and initialized before handing id's out to | |
| 1606 // methodOops. | |
| 1607 Klass::cast(klass())->initialize(CHECK_NULL); | |
| 1608 | |
| 1609 methodOop m; | |
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1610 if (name == vmSymbols::object_initializer_name() || |
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1611 name == vmSymbols::class_initializer_name()) { |
| 0 | 1612 // Never search superclasses for constructors |
| 1613 if (klass->oop_is_instance()) { | |
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1614 m = instanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1615 } else { |
| 1616 m = NULL; | |
| 1617 } | |
| 1618 } else { | |
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1619 m = klass->lookup_method(name, signature); |
| 0 | 1620 // Look up interfaces |
| 1621 if (m == NULL && klass->oop_is_instance()) { | |
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1622 m = instanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1623 signature); |
| 0 | 1624 } |
| 1625 } | |
| 1626 if (m == NULL || (m->is_static() != is_static)) { | |
| 1627 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1628 } | |
| 1629 return m->jmethod_id(); | |
| 1630 } | |
| 1631 | |
| 1632 | |
| 1633 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1634 const char *name, const char *sig)) | |
| 1635 JNIWrapper("GetMethodID"); | |
| 4006 | 1636 #ifndef USDT2 |
| 0 | 1637 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1638 #else /* USDT2 */ |
| 1639 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1640 env, clazz, (char *) name, (char *) sig); | |
| 1641 #endif /* USDT2 */ | |
| 0 | 1642 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1643 #ifndef USDT2 |
| 0 | 1644 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1645 #else /* USDT2 */ |
| 1646 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1647 (uintptr_t) ret); | |
| 1648 #endif /* USDT2 */ | |
| 0 | 1649 return ret; |
| 1650 JNI_END | |
| 1651 | |
| 1652 | |
| 1653 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1654 const char *name, const char *sig)) | |
| 1655 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1656 #ifndef USDT2 |
| 0 | 1657 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1658 #else /* USDT2 */ |
| 1659 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1660 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1661 #endif /* USDT2 */ | |
| 0 | 1662 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1663 #ifndef USDT2 |
| 0 | 1664 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1665 #else /* USDT2 */ |
| 1666 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1667 (uintptr_t) ret); | |
| 1668 #endif /* USDT2 */ | |
| 0 | 1669 return ret; |
| 1670 JNI_END | |
| 1671 | |
| 1672 | |
| 1673 | |
| 1674 // | |
| 1675 // Calling Methods | |
| 1676 // | |
| 1677 | |
| 4006 | 1678 #ifndef USDT2 |
| 0 | 1679 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1680 \ | |
| 1681 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1682 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1683 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1684 \ | |
| 1685 JNI_ENTRY(ResultType, \ | |
| 1686 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1687 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1688 \ | |
| 4006 | 1689 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1690 ResultType ret = 0;\ |
| 1691 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1692 (const ResultType&)ret);\ | |
| 1693 \ | |
| 1694 va_list args; \ | |
| 1695 va_start(args, methodID); \ | |
| 1696 JavaValue jvalue(Tag); \ | |
|
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1697 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1698 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1699 va_end(args); \ | |
| 1700 ret = jvalue.get_##ResultType(); \ | |
| 1701 return ret;\ | |
| 1702 JNI_END \ | |
| 1703 \ | |
| 1704 \ | |
| 1705 JNI_ENTRY(ResultType, \ | |
| 1706 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1707 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1708 \ | |
| 4006 | 1709 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1710 ResultType ret = 0;\ |
| 1711 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1712 (const ResultType&)ret);\ | |
| 1713 \ | |
| 1714 JavaValue jvalue(Tag); \ | |
|
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1715 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1716 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1717 ret = jvalue.get_##ResultType(); \ | |
| 1718 return ret;\ | |
| 1719 JNI_END \ | |
| 1720 \ | |
| 1721 \ | |
| 1722 JNI_ENTRY(ResultType, \ | |
| 1723 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1724 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1725 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1726 ResultType ret = 0;\ |
| 1727 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1728 (const ResultType&)ret);\ | |
| 1729 \ | |
| 1730 JavaValue jvalue(Tag); \ | |
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1731 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1732 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1733 ret = jvalue.get_##ResultType(); \ | |
| 1734 return ret;\ | |
| 1735 JNI_END | |
| 1736 | |
| 1737 // the runtime type of subword integral basic types is integer | |
| 1738 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1739 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1740 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1741 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1742 | |
| 1743 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1744 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1745 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1746 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1747 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1748 | |
| 1749 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1750 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1751 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1752 | |
| 4006 | 1753 #else /* USDT2 */ |
| 1754 | |
| 1755 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1756 , EntryProbe, ReturnProbe) \ | |
| 1757 \ | |
| 1758 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1759 , ReturnProbe); \ | |
| 1760 \ | |
| 1761 JNI_ENTRY(ResultType, \ | |
| 1762 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1763 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1764 \ | |
| 1765 EntryProbe; \ | |
| 1766 ResultType ret = 0;\ | |
| 1767 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1768 (const ResultType&)ret);\ | |
| 1769 \ | |
| 1770 va_list args; \ | |
| 1771 va_start(args, methodID); \ | |
| 1772 JavaValue jvalue(Tag); \ | |
| 1773 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1774 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1775 va_end(args); \ | |
| 1776 ret = jvalue.get_##ResultType(); \ | |
| 1777 return ret;\ | |
| 1778 JNI_END | |
| 1779 | |
| 1780 // the runtime type of subword integral basic types is integer | |
| 1781 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1782 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1783 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1784 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1785 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1786 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1787 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1788 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1789 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1790 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1791 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1792 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1793 | |
| 1794 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1795 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1796 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1797 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1798 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1799 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1800 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1801 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1802 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1803 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1804 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1805 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1806 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1807 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1808 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1809 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1810 | |
| 1811 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1812 , EntryProbe, ReturnProbe) \ | |
| 1813 \ | |
| 1814 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1815 , ReturnProbe); \ | |
| 1816 \ | |
| 1817 JNI_ENTRY(ResultType, \ | |
| 1818 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1819 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1820 \ | |
| 1821 EntryProbe;\ | |
| 1822 ResultType ret = 0;\ | |
| 1823 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1824 (const ResultType&)ret);\ | |
| 1825 \ | |
| 1826 JavaValue jvalue(Tag); \ | |
| 1827 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1828 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1829 ret = jvalue.get_##ResultType(); \ | |
| 1830 return ret;\ | |
| 1831 JNI_END | |
| 1832 | |
| 1833 // the runtime type of subword integral basic types is integer | |
| 1834 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1835 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1836 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1837 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1838 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1839 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1840 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1841 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1842 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1843 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1844 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1845 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1846 | |
| 1847 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1848 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1849 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1850 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1851 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1852 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1853 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1854 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1855 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1856 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1857 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1858 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1859 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1860 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1861 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1862 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1863 | |
| 1864 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1865 , EntryProbe, ReturnProbe) \ | |
| 1866 \ | |
| 1867 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1868 , ReturnProbe); \ | |
| 1869 \ | |
| 1870 JNI_ENTRY(ResultType, \ | |
| 1871 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1872 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1873 EntryProbe; \ | |
| 1874 ResultType ret = 0;\ | |
| 1875 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1876 (const ResultType&)ret);\ | |
| 1877 \ | |
| 1878 JavaValue jvalue(Tag); \ | |
| 1879 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1880 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1881 ret = jvalue.get_##ResultType(); \ | |
| 1882 return ret;\ | |
| 1883 JNI_END | |
| 1884 | |
| 1885 // the runtime type of subword integral basic types is integer | |
| 1886 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1887 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1888 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1889 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1890 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1891 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1892 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1893 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1894 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1895 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1896 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1897 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1898 | |
| 1899 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1900 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1901 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1902 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1903 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1904 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1905 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1906 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1907 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1908 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1909 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1910 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1911 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1912 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1913 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1914 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1915 | |
| 1916 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1917 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1918 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1919 | |
| 1920 #endif /* USDT2 */ | |
| 1921 | |
| 0 | 1922 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1923 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1924 #ifndef USDT2 |
| 0 | 1925 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1926 #else /* USDT2 */ |
| 1927 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1928 env, obj, (uintptr_t) methodID); | |
| 1929 #endif /* USDT2 */ | |
| 0 | 1930 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1931 | |
| 1932 va_list args; | |
| 1933 va_start(args, methodID); | |
| 1934 JavaValue jvalue(T_VOID); | |
|
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1935 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1936 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1937 va_end(args); | |
| 1938 JNI_END | |
| 1939 | |
| 1940 | |
| 1941 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1942 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1943 #ifndef USDT2 |
| 0 | 1944 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1945 #else /* USDT2 */ |
| 1946 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1947 env, obj, (uintptr_t) methodID); | |
| 1948 #endif /* USDT2 */ | |
| 0 | 1949 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1950 | |
| 1951 JavaValue jvalue(T_VOID); | |
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1952 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1953 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1954 JNI_END | |
| 1955 | |
| 1956 | |
| 1957 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1958 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1959 #ifndef USDT2 |
| 0 | 1960 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1961 #else /* USDT2 */ |
| 1962 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1963 env, obj, (uintptr_t) methodID); | |
| 1964 #endif /* USDT2 */ | |
| 0 | 1965 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1966 | |
| 1967 JavaValue jvalue(T_VOID); | |
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1968 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1969 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1970 JNI_END | |
| 1971 | |
| 1972 | |
| 4006 | 1973 #ifndef USDT2 |
| 0 | 1974 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1975 \ | |
| 1976 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1977 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1978 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1979 \ | |
| 1980 JNI_ENTRY(ResultType, \ | |
| 1981 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1982 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1983 \ | |
| 1984 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1985 ResultType ret;\ | |
| 1986 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1987 (const ResultType&)ret);\ | |
| 1988 \ | |
| 1989 va_list args; \ | |
| 1990 va_start(args, methodID); \ | |
| 1991 JavaValue jvalue(Tag); \ | |
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1992 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1993 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1994 va_end(args); \ | |
| 1995 ret = jvalue.get_##ResultType(); \ | |
| 1996 return ret;\ | |
| 1997 JNI_END \ | |
| 1998 \ | |
| 1999 JNI_ENTRY(ResultType, \ | |
| 2000 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2001 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 2002 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 2003 ResultType ret;\ | |
| 2004 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2005 (const ResultType&)ret);\ | |
| 2006 \ | |
| 2007 JavaValue jvalue(Tag); \ | |
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2008 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2009 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2010 ret = jvalue.get_##ResultType(); \ | |
| 2011 return ret;\ | |
| 2012 JNI_END \ | |
| 2013 \ | |
| 2014 JNI_ENTRY(ResultType, \ | |
| 2015 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2016 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2017 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 2018 ResultType ret;\ | |
| 2019 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2020 (const ResultType&)ret);\ | |
| 2021 \ | |
| 2022 JavaValue jvalue(Tag); \ | |
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2023 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2024 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2025 ret = jvalue.get_##ResultType(); \ | |
| 2026 return ret;\ | |
| 2027 JNI_END | |
| 2028 | |
| 2029 // the runtime type of subword integral basic types is integer | |
| 2030 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2031 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2032 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2033 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2034 | |
| 2035 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2036 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2037 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2038 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2039 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2040 | |
| 2041 | |
| 2042 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2043 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2044 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2045 | |
| 4006 | 2046 #else /* USDT2 */ |
| 2047 | |
| 2048 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2049 , EntryProbe, ReturnProbe) \ | |
| 2050 \ | |
| 2051 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2052 , ReturnProbe);\ | |
| 2053 \ | |
| 2054 JNI_ENTRY(ResultType, \ | |
| 2055 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2056 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2057 \ | |
| 2058 EntryProbe;\ | |
| 2059 ResultType ret;\ | |
| 2060 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2061 (const ResultType&)ret);\ | |
| 2062 \ | |
| 2063 va_list args; \ | |
| 2064 va_start(args, methodID); \ | |
| 2065 JavaValue jvalue(Tag); \ | |
| 2066 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2067 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2068 va_end(args); \ | |
| 2069 ret = jvalue.get_##ResultType(); \ | |
| 2070 return ret;\ | |
| 2071 JNI_END | |
| 2072 | |
| 2073 // the runtime type of subword integral basic types is integer | |
| 2074 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2075 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2076 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2077 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2078 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2079 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2080 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2081 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2082 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2083 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2084 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2085 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2086 | |
| 2087 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2088 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2089 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2090 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2091 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2092 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2093 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2094 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2095 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2096 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2097 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2098 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2099 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2100 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2101 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2102 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2103 | |
| 2104 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2105 , EntryProbe, ReturnProbe) \ | |
| 2106 \ | |
| 2107 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2108 , ReturnProbe);\ | |
| 2109 \ | |
| 2110 JNI_ENTRY(ResultType, \ | |
| 2111 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2112 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2113 \ | |
| 2114 EntryProbe;\ | |
| 2115 ResultType ret;\ | |
| 2116 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2117 (const ResultType&)ret);\ | |
| 2118 \ | |
| 2119 JavaValue jvalue(Tag); \ | |
| 2120 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2121 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2122 ret = jvalue.get_##ResultType(); \ | |
| 2123 return ret;\ | |
| 2124 JNI_END | |
| 2125 | |
| 2126 // the runtime type of subword integral basic types is integer | |
| 2127 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2128 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2129 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2130 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2131 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2132 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2133 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2134 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2135 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2136 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2137 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2138 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2139 | |
| 2140 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2141 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2142 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2143 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2144 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2145 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2146 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2147 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2148 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2149 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2150 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2151 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2152 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2153 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2154 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2155 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2156 | |
| 2157 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2158 , EntryProbe, ReturnProbe) \ | |
| 2159 \ | |
| 2160 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2161 , ReturnProbe);\ | |
| 2162 \ | |
| 2163 JNI_ENTRY(ResultType, \ | |
| 2164 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2165 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2166 \ | |
| 2167 EntryProbe;\ | |
| 2168 ResultType ret;\ | |
| 2169 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2170 (const ResultType&)ret);\ | |
| 2171 \ | |
| 2172 JavaValue jvalue(Tag); \ | |
| 2173 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2174 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2175 ret = jvalue.get_##ResultType(); \ | |
| 2176 return ret;\ | |
| 2177 JNI_END | |
| 2178 | |
| 2179 // the runtime type of subword integral basic types is integer | |
| 2180 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2181 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2182 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2183 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2184 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2185 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2186 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2187 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2188 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2189 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2190 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2191 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2192 | |
| 2193 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2194 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2195 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2196 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2197 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2198 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2199 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2200 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2201 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2202 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2203 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2204 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2205 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2206 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2207 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2208 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2209 | |
| 2210 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2211 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2212 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2213 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2214 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2215 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2216 #endif /* USDT2 */ | |
| 2217 | |
| 0 | 2218 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2219 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2220 | |
| 4006 | 2221 #ifndef USDT2 |
| 0 | 2222 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2223 env, obj, cls, methodID); | |
| 4006 | 2224 #else /* USDT2 */ |
| 2225 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2226 env, obj, cls, (uintptr_t) methodID); | |
| 2227 #endif /* USDT2 */ | |
| 0 | 2228 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2229 | |
| 2230 va_list args; | |
| 2231 va_start(args, methodID); | |
| 2232 JavaValue jvalue(T_VOID); | |
|
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2233 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2234 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2235 va_end(args); | |
| 2236 JNI_END | |
| 2237 | |
| 2238 | |
| 2239 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2240 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2241 | |
| 4006 | 2242 #ifndef USDT2 |
| 0 | 2243 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2244 env, obj, cls, methodID); | |
| 4006 | 2245 #else /* USDT2 */ |
| 2246 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2247 env, obj, cls, (uintptr_t) methodID); | |
| 2248 #endif /* USDT2 */ | |
| 0 | 2249 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2250 | |
| 2251 JavaValue jvalue(T_VOID); | |
|
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2252 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2253 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2254 JNI_END | |
| 2255 | |
| 2256 | |
| 2257 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2258 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2259 #ifndef USDT2 |
| 0 | 2260 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2261 env, obj, cls, methodID); | |
| 4006 | 2262 #else /* USDT2 */ |
| 2263 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2264 env, obj, cls, (uintptr_t) methodID); | |
| 2265 #endif /* USDT2 */ | |
| 0 | 2266 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2267 JavaValue jvalue(T_VOID); | |
|
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2268 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2269 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2270 JNI_END | |
| 2271 | |
| 2272 | |
| 4006 | 2273 #ifndef USDT2 |
| 0 | 2274 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2275 \ | |
| 2276 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2277 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2278 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2279 \ | |
| 2280 JNI_ENTRY(ResultType, \ | |
| 2281 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2282 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2283 \ | |
| 2284 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2285 ResultType ret = 0;\ | |
| 2286 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2287 (const ResultType&)ret);\ | |
| 2288 \ | |
| 2289 va_list args; \ | |
| 2290 va_start(args, methodID); \ | |
| 2291 JavaValue jvalue(Tag); \ | |
|
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|
2292 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2293 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2294 va_end(args); \ | |
| 2295 ret = jvalue.get_##ResultType(); \ | |
| 2296 return ret;\ | |
| 2297 JNI_END \ | |
| 2298 \ | |
| 2299 JNI_ENTRY(ResultType, \ | |
| 2300 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2301 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2302 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2303 ResultType ret = 0;\ | |
| 2304 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2305 (const ResultType&)ret);\ | |
| 2306 \ | |
| 2307 JavaValue jvalue(Tag); \ | |
|
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|
2308 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2309 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2310 ret = jvalue.get_##ResultType(); \ | |
| 2311 return ret;\ | |
| 2312 JNI_END \ | |
| 2313 \ | |
| 2314 JNI_ENTRY(ResultType, \ | |
| 2315 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2316 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2317 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2318 ResultType ret = 0;\ | |
| 2319 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2320 (const ResultType&)ret);\ | |
| 2321 \ | |
| 2322 JavaValue jvalue(Tag); \ | |
|
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|
2323 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2324 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2325 ret = jvalue.get_##ResultType(); \ | |
| 2326 return ret;\ | |
| 2327 JNI_END | |
| 2328 | |
| 2329 // the runtime type of subword integral basic types is integer | |
| 2330 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2331 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2332 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2333 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2334 | |
| 2335 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2336 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2337 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2338 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2339 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2340 | |
| 2341 | |
| 2342 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2343 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2344 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2345 | |
| 4006 | 2346 #else /* USDT2 */ |
| 2347 | |
| 2348 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2349 , EntryProbe, ResultProbe) \ | |
| 2350 \ | |
| 2351 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2352 , ResultProbe); \ | |
| 2353 \ | |
| 2354 JNI_ENTRY(ResultType, \ | |
| 2355 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2356 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2357 \ | |
| 2358 EntryProbe; \ | |
| 2359 ResultType ret = 0;\ | |
| 2360 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2361 (const ResultType&)ret);\ | |
| 2362 \ | |
| 2363 va_list args; \ | |
| 2364 va_start(args, methodID); \ | |
| 2365 JavaValue jvalue(Tag); \ | |
| 2366 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2367 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2368 va_end(args); \ | |
| 2369 ret = jvalue.get_##ResultType(); \ | |
| 2370 return ret;\ | |
| 2371 JNI_END | |
| 2372 | |
| 2373 // the runtime type of subword integral basic types is integer | |
| 2374 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2375 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2376 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2377 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2378 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2379 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2380 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2381 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2382 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2383 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2384 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2385 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2386 | |
| 2387 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2388 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2389 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2390 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2391 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2392 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2393 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2394 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2395 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2396 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2397 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2398 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2399 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2400 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2401 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2402 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2403 | |
| 2404 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2405 , EntryProbe, ResultProbe) \ | |
| 2406 \ | |
| 2407 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2408 , ResultProbe); \ | |
| 2409 \ | |
| 2410 JNI_ENTRY(ResultType, \ | |
| 2411 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2412 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2413 \ | |
| 2414 EntryProbe; \ | |
| 2415 ResultType ret = 0;\ | |
| 2416 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2417 (const ResultType&)ret);\ | |
| 2418 \ | |
| 2419 JavaValue jvalue(Tag); \ | |
| 2420 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2421 /* Make sure class is initialized before trying to invoke its method */ \ | |
| 2422 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls))); \ | |
| 2423 Klass::cast(k())->initialize(CHECK_0); \ | |
| 2424 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2425 va_end(args); \ | |
| 2426 ret = jvalue.get_##ResultType(); \ | |
| 2427 return ret;\ | |
| 2428 JNI_END | |
| 2429 | |
| 2430 // the runtime type of subword integral basic types is integer | |
| 2431 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2432 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2433 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2434 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2435 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2436 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2437 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2438 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2439 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2440 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2441 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2442 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2443 | |
| 2444 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2445 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2446 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2447 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2448 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2449 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2450 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2451 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2452 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2453 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2454 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2455 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2456 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2457 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2458 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2459 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2460 | |
| 2461 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2462 , EntryProbe, ResultProbe) \ | |
| 2463 \ | |
| 2464 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2465 , ResultProbe); \ | |
| 2466 \ | |
| 2467 JNI_ENTRY(ResultType, \ | |
| 2468 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2469 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2470 \ | |
| 2471 EntryProbe; \ | |
| 2472 ResultType ret = 0;\ | |
| 2473 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2474 (const ResultType&)ret);\ | |
| 2475 \ | |
| 2476 JavaValue jvalue(Tag); \ | |
| 2477 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2478 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2479 ret = jvalue.get_##ResultType(); \ | |
| 2480 return ret;\ | |
| 2481 JNI_END | |
| 2482 | |
| 2483 // the runtime type of subword integral basic types is integer | |
| 2484 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2485 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2486 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2487 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2488 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2489 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2490 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2491 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2492 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2493 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2494 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2495 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2496 | |
| 2497 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2498 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2499 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2500 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2501 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2502 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2503 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2504 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2505 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2506 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2507 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2508 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2509 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2510 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2511 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2512 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2513 | |
| 2514 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2515 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2516 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2517 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2518 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2519 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2520 #endif /* USDT2 */ | |
| 2521 | |
| 0 | 2522 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2523 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2524 #ifndef USDT2 |
| 0 | 2525 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2526 #else /* USDT2 */ |
| 2527 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2528 env, cls, (uintptr_t) methodID); | |
| 2529 #endif /* USDT2 */ | |
| 0 | 2530 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2531 | |
| 2532 va_list args; | |
| 2533 va_start(args, methodID); | |
| 2534 JavaValue jvalue(T_VOID); | |
|
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|
2535 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2536 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2537 va_end(args); | |
| 2538 JNI_END | |
| 2539 | |
| 2540 | |
| 2541 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2542 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2543 #ifndef USDT2 |
| 0 | 2544 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2545 #else /* USDT2 */ |
| 2546 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2547 env, cls, (uintptr_t) methodID); | |
| 2548 #endif /* USDT2 */ | |
| 0 | 2549 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2550 | |
| 2551 JavaValue jvalue(T_VOID); | |
|
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2552 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2553 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2554 JNI_END | |
| 2555 | |
| 2556 | |
| 2557 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2558 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2559 #ifndef USDT2 |
| 0 | 2560 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2561 #else /* USDT2 */ |
| 2562 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2563 env, cls, (uintptr_t) methodID); | |
| 2564 #endif /* USDT2 */ | |
| 0 | 2565 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2566 | |
| 2567 JavaValue jvalue(T_VOID); | |
|
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2568 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2569 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2570 JNI_END | |
| 2571 | |
| 2572 | |
| 2573 // | |
| 2574 // Accessing Fields | |
| 2575 // | |
| 2576 | |
| 2577 | |
| 4006 | 2578 #ifndef USDT2 |
| 0 | 2579 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2580 #else /* USDT2 */ |
| 2581 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2582 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2583 #endif /* USDT2 */ | |
| 0 | 2584 |
| 2585 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2586 const char *name, const char *sig)) | |
| 2587 JNIWrapper("GetFieldID"); | |
| 4006 | 2588 #ifndef USDT2 |
| 0 | 2589 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2590 #else /* USDT2 */ |
| 2591 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2592 env, clazz, (char *) name, (char *) sig); | |
| 2593 #endif /* USDT2 */ | |
| 0 | 2594 jfieldID ret = 0; |
| 2595 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2596 | |
| 2597 // The class should have been loaded (we have an instance of the class | |
| 2598 // passed in) so the field and signature should already be in the symbol | |
| 2599 // table. If they're not there, the field doesn't exist. | |
|
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2600 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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|
2601 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2602 if (fieldname == NULL || signame == NULL) { |
| 0 | 2603 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2604 } | |
| 2605 KlassHandle k(THREAD, | |
| 2606 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 2607 // Make sure class is initialized before handing id's out to fields | |
| 2608 Klass::cast(k())->initialize(CHECK_NULL); | |
| 2609 | |
| 2610 fieldDescriptor fd; | |
| 2611 if (!Klass::cast(k())->oop_is_instance() || | |
|
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2612 !instanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2613 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2614 } | |
| 2615 | |
| 2616 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2617 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2618 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2619 return ret; | |
| 2620 JNI_END | |
| 2621 | |
| 2622 | |
| 2623 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2624 JNIWrapper("GetObjectField"); | |
| 4006 | 2625 #ifndef USDT2 |
| 0 | 2626 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2627 #else /* USDT2 */ |
| 2628 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2629 env, obj, (uintptr_t) fieldID); | |
| 2630 #endif /* USDT2 */ | |
| 0 | 2631 oop o = JNIHandles::resolve_non_null(obj); |
| 2632 klassOop k = o->klass(); | |
| 2633 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2634 // Keep JVMTI addition small and only check enabled flag here. | |
| 2635 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2636 if (JvmtiExport::should_post_field_access()) { | |
| 2637 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2638 } | |
| 2639 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
3249
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|
2640 #ifndef SERIALGC |
|
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|
2641 // If G1 is enabled and we are accessing the value of the referent |
|
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|
2642 // field in a reference object then we need to register a non-null |
|
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|
2643 // referent with the SATB barrier. |
|
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|
2644 if (UseG1GC) { |
|
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|
2645 bool needs_barrier = false; |
|
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|
2646 |
|
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|
2647 if (ret != NULL && |
|
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|
2648 offset == java_lang_ref_Reference::referent_offset && |
|
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|
2649 instanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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|
2650 assert(instanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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|
2651 needs_barrier = true; |
|
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|
2652 } |
|
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|
2653 |
|
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|
2654 if (needs_barrier) { |
|
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|
2655 oop referent = JNIHandles::resolve(ret); |
|
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|
2656 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2657 } |
|
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|
2658 } |
|
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|
2659 #endif // SERIALGC |
| 4006 | 2660 #ifndef USDT2 |
| 0 | 2661 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2662 #else /* USDT2 */ |
| 2663 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2664 ret); | |
| 2665 #endif /* USDT2 */ | |
| 0 | 2666 return ret; |
| 2667 JNI_END | |
| 2668 | |
| 2669 | |
| 4006 | 2670 #ifndef USDT2 |
| 0 | 2671 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2672 \ | |
| 2673 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2674 \ | |
| 2675 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2676 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2677 \ | |
| 2678 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2679 Return ret = 0;\ | |
| 2680 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2681 \ | |
| 2682 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2683 klassOop k = o->klass(); \ | |
| 2684 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2685 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2686 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2687 /* and creates a ResetNoHandleMark. */ \ | |
| 2688 if (JvmtiExport::should_post_field_access()) { \ | |
| 2689 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2690 } \ | |
| 2691 ret = o->Fieldname##_field(offset); \ | |
| 2692 return ret; \ | |
| 2693 JNI_END | |
| 2694 | |
| 2695 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2696 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2697 DEFINE_GETFIELD(jchar, char, Char) | |
| 2698 DEFINE_GETFIELD(jshort, short, Short) | |
| 2699 DEFINE_GETFIELD(jint, int, Int) | |
| 2700 DEFINE_GETFIELD(jlong, long, Long) | |
| 2701 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2702 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2703 | |
| 4006 | 2704 #else /* USDT2 */ |
| 2705 | |
| 2706 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2707 , EntryProbe, ReturnProbe) \ | |
| 2708 \ | |
| 2709 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2710 , ReturnProbe); \ | |
| 2711 \ | |
| 2712 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2713 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2714 \ | |
| 2715 EntryProbe; \ | |
| 2716 Return ret = 0;\ | |
| 2717 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2718 \ | |
| 2719 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2720 klassOop k = o->klass(); \ | |
| 2721 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2722 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2723 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2724 /* and creates a ResetNoHandleMark. */ \ | |
| 2725 if (JvmtiExport::should_post_field_access()) { \ | |
| 2726 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2727 } \ | |
| 2728 ret = o->Fieldname##_field(offset); \ | |
| 2729 return ret; \ | |
| 2730 JNI_END | |
| 2731 | |
| 2732 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2733 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2734 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2735 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2736 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2737 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2738 DEFINE_GETFIELD(jchar, char, Char | |
| 2739 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2740 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2741 DEFINE_GETFIELD(jshort, short, Short | |
| 2742 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2743 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2744 DEFINE_GETFIELD(jint, int, Int | |
| 2745 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2746 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2747 DEFINE_GETFIELD(jlong, long, Long | |
| 2748 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2749 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2750 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2751 DEFINE_GETFIELD(jfloat, float, Float | |
| 2752 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2753 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2754 DEFINE_GETFIELD(jdouble, double, Double | |
| 2755 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2756 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2757 #endif /* USDT2 */ | |
| 2758 | |
| 0 | 2759 address jni_GetBooleanField_addr() { |
| 2760 return (address)jni_GetBooleanField; | |
| 2761 } | |
| 2762 address jni_GetByteField_addr() { | |
| 2763 return (address)jni_GetByteField; | |
| 2764 } | |
| 2765 address jni_GetCharField_addr() { | |
| 2766 return (address)jni_GetCharField; | |
| 2767 } | |
| 2768 address jni_GetShortField_addr() { | |
| 2769 return (address)jni_GetShortField; | |
| 2770 } | |
| 2771 address jni_GetIntField_addr() { | |
| 2772 return (address)jni_GetIntField; | |
| 2773 } | |
| 2774 address jni_GetLongField_addr() { | |
| 2775 return (address)jni_GetLongField; | |
| 2776 } | |
| 2777 address jni_GetFloatField_addr() { | |
| 2778 return (address)jni_GetFloatField; | |
| 2779 } | |
| 2780 address jni_GetDoubleField_addr() { | |
| 2781 return (address)jni_GetDoubleField; | |
| 2782 } | |
| 2783 | |
| 2784 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2785 JNIWrapper("SetObjectField"); | |
| 4006 | 2786 #ifndef USDT2 |
| 0 | 2787 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2788 #else /* USDT2 */ |
| 2789 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2790 env, obj, (uintptr_t) fieldID, value); | |
| 2791 #endif /* USDT2 */ | |
| 0 | 2792 oop o = JNIHandles::resolve_non_null(obj); |
| 2793 klassOop k = o->klass(); | |
| 2794 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2795 // Keep JVMTI addition small and only check enabled flag here. | |
| 2796 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2797 // and creates a ResetNoHandleMark. | |
| 2798 if (JvmtiExport::should_post_field_modification()) { | |
| 2799 jvalue field_value; | |
| 2800 field_value.l = value; | |
| 2801 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2802 } | |
| 2803 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2804 #ifndef USDT2 |
| 0 | 2805 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2806 #else /* USDT2 */ |
| 2807 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2808 ); | |
| 2809 #endif /* USDT2 */ | |
| 0 | 2810 JNI_END |
| 2811 | |
| 4006 | 2812 #ifndef USDT2 |
| 0 | 2813 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2814 \ | |
| 2815 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2816 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2817 \ | |
| 2818 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, Set##Result##Field__entry, \ | |
| 2819 ( JNIEnv*, jobject, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
| 2820 HS_DTRACE_PROBE_N(hotspot_jni, Set##Result##Field__entry, \ | |
| 2821 ( env, obj, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
| 2822 \ | |
| 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.unionType = value; \ | |
| 2832 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2833 } \ | |
| 2834 o->Fieldname##_field_put(offset, value); \ | |
| 2835 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2836 JNI_END | |
| 2837 | |
| 2838 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2839 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2840 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2841 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2842 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2843 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2844 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2845 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2846 | |
| 4006 | 2847 #else /* USDT2 */ |
| 2848 | |
| 2849 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2850 , EntryProbe, ReturnProbe) \ | |
| 2851 \ | |
| 2852 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2853 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2854 \ | |
| 2855 EntryProbe; \ | |
| 2856 \ | |
| 2857 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2858 klassOop k = o->klass(); \ | |
| 2859 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2860 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2861 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2862 /* and creates a ResetNoHandleMark. */ \ | |
| 2863 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2864 jvalue field_value; \ | |
| 2865 field_value.unionType = value; \ | |
| 2866 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2867 } \ | |
| 2868 o->Fieldname##_field_put(offset, value); \ | |
| 2869 ReturnProbe; \ | |
| 2870 JNI_END | |
| 2871 | |
| 2872 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2873 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2874 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2875 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2876 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2877 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2878 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2879 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2880 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2881 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2882 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2883 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2884 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2885 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2886 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2887 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2888 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2889 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2890 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2891 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2892 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2893 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2894 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2895 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2896 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2897 #endif /* USDT2 */ | |
| 2898 | |
| 2899 #ifndef USDT2 | |
| 0 | 2900 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2901 #else /* USDT2 */ |
| 2902 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2903 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2904 #endif /* USDT2 */ | |
| 0 | 2905 |
| 2906 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2907 JNIWrapper("ToReflectedField"); | |
| 4006 | 2908 #ifndef USDT2 |
| 0 | 2909 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2910 env, cls, fieldID, isStatic); | |
| 4006 | 2911 #else /* USDT2 */ |
| 2912 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2913 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2914 #endif /* USDT2 */ | |
| 0 | 2915 jobject ret = NULL; |
| 2916 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2917 | |
| 2918 fieldDescriptor fd; | |
| 2919 bool found = false; | |
| 2920 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls)); | |
| 2921 | |
| 2922 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2923 | |
| 2924 if (isStatic) { | |
| 2925 // Static field. The fieldID a JNIid specifying the field holder and the offset within the klassOop. | |
| 2926 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
| 2927 assert(id->is_static_field_id(), "invalid static field id"); | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
2928 found = id->find_local_field(&fd); |
| 0 | 2929 } else { |
| 2930 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2931 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2932 found = instanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); | |
| 2933 } | |
| 2934 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2935 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2936 ret = JNIHandles::make_local(env, reflected); | |
| 2937 return ret; | |
| 2938 JNI_END | |
| 2939 | |
| 2940 | |
| 2941 // | |
| 2942 // Accessing Static Fields | |
| 2943 // | |
| 4006 | 2944 #ifndef USDT2 |
| 0 | 2945 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2946 #else /* USDT2 */ |
| 2947 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2948 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2949 #endif /* USDT2 */ | |
| 0 | 2950 |
| 2951 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2952 const char *name, const char *sig)) | |
| 2953 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2954 #ifndef USDT2 |
| 0 | 2955 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2956 #else /* USDT2 */ |
| 2957 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2958 env, clazz, (char *) name, (char *) sig); | |
| 2959 #endif /* USDT2 */ | |
| 0 | 2960 jfieldID ret = NULL; |
| 2961 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2962 | |
| 2963 // The class should have been loaded (we have an instance of the class | |
| 2964 // passed in) so the field and signature should already be in the symbol | |
| 2965 // table. If they're not there, the field doesn't exist. | |
|
2177
3582bf76420e
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coleenp
parents:
1989
diff
changeset
|
2966 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2967 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2968 if (fieldname == NULL || signame == NULL) { |
| 0 | 2969 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2970 } | |
| 2971 KlassHandle k(THREAD, | |
| 2972 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 2973 // Make sure class is initialized before handing id's out to static fields | |
| 2974 Klass::cast(k())->initialize(CHECK_NULL); | |
| 2975 | |
| 2976 fieldDescriptor fd; | |
| 2977 if (!Klass::cast(k())->oop_is_instance() || | |
|
2177
3582bf76420e
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coleenp
parents:
1989
diff
changeset
|
2978 !instanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2979 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2980 } | |
| 2981 | |
| 2982 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
| 2983 JNIid* id = instanceKlass::cast(fd.field_holder())->jni_id_for(fd.offset()); | |
| 2984 debug_only(id->set_is_static_field_id();) | |
| 2985 | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
2986 debug_only(id->verify(fd.field_holder())); |
| 0 | 2987 |
| 2988 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2989 return ret; | |
| 2990 JNI_END | |
| 2991 | |
| 2992 | |
| 2993 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2994 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2995 #ifndef USDT2 |
| 0 | 2996 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2997 #else /* USDT2 */ |
| 2998 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 2999 env, clazz, (uintptr_t) fieldID); | |
| 3000 #endif /* USDT2 */ | |
| 0 | 3001 #ifndef JNICHECK_KERNEL |
| 3002 DEBUG_ONLY(klassOop param_k = jniCheck::validate_class(thread, clazz);) | |
| 3003 #endif // JNICHECK_KERNEL | |
| 3004 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
| 3005 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3006 // Keep JVMTI addition small and only check enabled flag here. | |
| 3007 // jni_GetField_probe() assumes that is okay to create handles. | |
| 3008 if (JvmtiExport::should_post_field_access()) { | |
| 3009 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 3010 } | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3011 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 3012 #ifndef USDT2 |
| 0 | 3013 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 3014 #else /* USDT2 */ |
| 3015 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 3016 ret); | |
| 3017 #endif /* USDT2 */ | |
| 0 | 3018 return ret; |
| 3019 JNI_END | |
| 3020 | |
| 4006 | 3021 #ifndef USDT2 |
| 0 | 3022 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3023 \ | |
| 3024 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3025 \ | |
| 3026 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3027 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3028 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3029 Return ret = 0;\ | |
| 3030 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3031 (const Return&)ret);\ | |
| 3032 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3033 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3034 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3035 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3036 if (JvmtiExport::should_post_field_access()) { \ | |
| 3037 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3038 } \ | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3039 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3040 return ret;\ |
| 3041 JNI_END | |
| 3042 | |
| 3043 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3044 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3045 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3046 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3047 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3048 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3049 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3050 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3051 | |
| 4006 | 3052 #else /* USDT2 */ |
| 3053 | |
| 3054 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3055 , EntryProbe, ReturnProbe) \ | |
| 3056 \ | |
| 3057 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3058 , ReturnProbe); \ | |
| 3059 \ | |
| 3060 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3061 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3062 EntryProbe; \ | |
| 3063 Return ret = 0;\ | |
| 3064 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3065 (const Return&)ret);\ | |
| 3066 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3067 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3068 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3069 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3070 if (JvmtiExport::should_post_field_access()) { \ | |
| 3071 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3072 } \ | |
| 3073 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3074 return ret;\ | |
| 3075 JNI_END | |
| 3076 | |
| 3077 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3078 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3079 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3080 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3081 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3082 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3083 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3084 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3085 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3086 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3087 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3088 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3089 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3090 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3091 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3092 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3093 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3094 #endif /* USDT2 */ | |
| 0 | 3095 |
| 3096 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3097 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3098 #ifndef USDT2 |
| 0 | 3099 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3100 #else /* USDT2 */ |
| 3101 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3102 env, clazz, (uintptr_t) fieldID, value); | |
| 3103 #endif /* USDT2 */ | |
| 0 | 3104 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3105 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3106 // Keep JVMTI addition small and only check enabled flag here. | |
| 3107 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3108 if (JvmtiExport::should_post_field_modification()) { | |
| 3109 jvalue field_value; | |
| 3110 field_value.l = value; | |
| 3111 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3112 } | |
|
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diff
changeset
|
3113 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3114 #ifndef USDT2 |
| 0 | 3115 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3116 #else /* USDT2 */ |
| 3117 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3118 ); | |
| 3119 #endif /* USDT2 */ | |
| 0 | 3120 JNI_END |
| 3121 | |
| 3122 | |
| 4006 | 3123 #ifndef USDT2 |
| 0 | 3124 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3125 \ | |
| 3126 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3127 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3128 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, SetStatic##Result##Field__entry,\ | |
| 3129 ( JNIEnv*, jclass, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
| 3130 HS_DTRACE_PROBE_N(hotspot_jni, SetStatic##Result##Field__entry, \ | |
| 3131 ( env, clazz, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
| 3132 \ | |
| 3133 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3134 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3135 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3136 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3137 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3138 jvalue field_value; \ | |
| 3139 field_value.unionType = value; \ | |
| 3140 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3141 } \ | |
|
2376
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parents:
2177
diff
changeset
|
3142 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3143 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3144 JNI_END | |
| 3145 | |
| 3146 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3147 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3148 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3149 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3150 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3151 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3152 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3153 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3154 | |
| 4006 | 3155 #else /* USDT2 */ |
| 3156 | |
| 3157 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3158 , EntryProbe, ReturnProbe) \ | |
| 3159 \ | |
| 3160 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3161 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3162 EntryProbe; \ | |
| 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 } \ | |
| 3173 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3174 ReturnProbe;\ | |
| 3175 JNI_END | |
| 3176 | |
| 3177 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3178 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3179 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3180 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3181 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3182 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3183 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3184 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3185 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3186 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3187 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3188 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3189 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3190 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3191 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3192 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3193 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3194 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3195 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3196 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3197 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3198 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3199 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3200 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3201 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3202 #endif /* USDT2 */ | |
| 0 | 3203 |
| 3204 // | |
| 3205 // String Operations | |
| 3206 // | |
| 3207 | |
| 3208 // Unicode Interface | |
| 3209 | |
| 4006 | 3210 #ifndef USDT2 |
| 0 | 3211 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3212 #else /* USDT2 */ |
| 3213 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3214 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3215 #endif /* USDT2 */ | |
| 0 | 3216 |
| 3217 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3218 JNIWrapper("NewString"); | |
| 4006 | 3219 #ifndef USDT2 |
| 0 | 3220 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3221 #else /* USDT2 */ |
| 3222 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3223 env, (uint16_t *) unicodeChars, len); | |
| 3224 #endif /* USDT2 */ | |
| 0 | 3225 jstring ret = NULL; |
| 3226 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3227 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3228 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3229 return ret; | |
| 3230 JNI_END | |
| 3231 | |
| 3232 | |
| 3233 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3234 JNIWrapper("GetStringLength"); | |
| 4006 | 3235 #ifndef USDT2 |
| 0 | 3236 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3237 #else /* USDT2 */ |
| 3238 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3239 env, string); | |
| 3240 #endif /* USDT2 */ | |
| 0 | 3241 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3242 #ifndef USDT2 |
| 0 | 3243 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3244 #else /* USDT2 */ |
| 3245 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3246 ret); | |
| 3247 #endif /* USDT2 */ | |
| 0 | 3248 return ret; |
| 3249 JNI_END | |
| 3250 | |
| 3251 | |
| 3252 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3253 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3254 JNIWrapper("GetStringChars"); | |
| 4006 | 3255 #ifndef USDT2 |
| 0 | 3256 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3257 #else /* USDT2 */ |
| 3258 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3259 env, string, (uintptr_t *) isCopy); | |
| 3260 #endif /* USDT2 */ | |
| 0 | 3261 //%note jni_5 |
| 3262 if (isCopy != NULL) { | |
| 3263 *isCopy = JNI_TRUE; | |
| 3264 } | |
| 3265 oop s = JNIHandles::resolve_non_null(string); | |
| 3266 int s_len = java_lang_String::length(s); | |
| 3267 typeArrayOop s_value = java_lang_String::value(s); | |
| 3268 int s_offset = java_lang_String::offset(s); | |
| 3269 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1); // add one for zero termination | |
| 3270 if (s_len > 0) { | |
| 3271 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
| 3272 } | |
| 3273 buf[s_len] = 0; | |
| 4006 | 3274 #ifndef USDT2 |
| 0 | 3275 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3276 #else /* USDT2 */ |
| 3277 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3278 buf); | |
| 3279 #endif /* USDT2 */ | |
| 0 | 3280 return buf; |
| 3281 JNI_END | |
| 3282 | |
| 3283 | |
| 3284 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3285 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3286 #ifndef USDT2 |
| 0 | 3287 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3288 #else /* USDT2 */ |
| 3289 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3290 env, str, (uint16_t *) chars); | |
| 3291 #endif /* USDT2 */ | |
| 0 | 3292 //%note jni_6 |
| 3293 if (chars != NULL) { | |
| 3294 // Since String objects are supposed to be immutable, don't copy any | |
| 3295 // new data back. A bad user will have to go after the char array. | |
| 3296 FreeHeap((void*) chars); | |
| 3297 } | |
| 4006 | 3298 #ifndef USDT2 |
| 0 | 3299 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3300 #else /* USDT2 */ |
| 3301 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3302 ); | |
| 3303 #endif /* USDT2 */ | |
| 0 | 3304 JNI_END |
| 3305 | |
| 3306 | |
| 3307 // UTF Interface | |
| 3308 | |
| 4006 | 3309 #ifndef USDT2 |
| 0 | 3310 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3311 #else /* USDT2 */ |
| 3312 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3313 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3314 #endif /* USDT2 */ | |
| 0 | 3315 |
| 3316 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3317 JNIWrapper("NewStringUTF"); | |
| 4006 | 3318 #ifndef USDT2 |
| 0 | 3319 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3320 #else /* USDT2 */ |
| 3321 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3322 env, (char *) bytes); | |
| 3323 #endif /* USDT2 */ | |
| 0 | 3324 jstring ret; |
| 3325 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3326 | |
| 3327 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3328 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3329 return ret; | |
| 3330 JNI_END | |
| 3331 | |
| 3332 | |
| 3333 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3334 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3335 #ifndef USDT2 |
| 0 | 3336 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3337 #else /* USDT2 */ |
| 3338 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3339 env, string); | |
| 3340 #endif /* USDT2 */ | |
| 0 | 3341 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3342 #ifndef USDT2 |
| 0 | 3343 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3344 #else /* USDT2 */ |
| 3345 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3346 ret); | |
| 3347 #endif /* USDT2 */ | |
| 0 | 3348 return ret; |
| 3349 JNI_END | |
| 3350 | |
| 3351 | |
| 3352 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3353 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3354 #ifndef USDT2 |
| 0 | 3355 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3356 #else /* USDT2 */ |
| 3357 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3358 env, string, (uintptr_t *) isCopy); | |
| 3359 #endif /* USDT2 */ | |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3360 oop java_string = JNIHandles::resolve_non_null(string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3361 size_t length = java_lang_String::utf8_length(java_string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3362 char* result = AllocateHeap(length + 1, "GetStringUTFChars"); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3363 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
| 0 | 3364 if (isCopy != NULL) *isCopy = JNI_TRUE; |
| 4006 | 3365 #ifndef USDT2 |
| 0 | 3366 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3367 #else /* USDT2 */ |
| 3368 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3369 result); | |
| 3370 #endif /* USDT2 */ | |
| 0 | 3371 return result; |
| 3372 JNI_END | |
| 3373 | |
| 3374 | |
| 3375 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3376 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3377 #ifndef USDT2 |
| 0 | 3378 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3379 #else /* USDT2 */ |
| 3380 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3381 env, str, (char *) chars); | |
| 3382 #endif /* USDT2 */ | |
| 0 | 3383 if (chars != NULL) { |
| 3384 FreeHeap((char*) chars); | |
| 3385 } | |
| 4006 | 3386 #ifndef USDT2 |
| 0 | 3387 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3388 #else /* USDT2 */ |
| 3389 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3390 ); | |
| 3391 #endif /* USDT2 */ | |
| 0 | 3392 JNI_END |
| 3393 | |
| 3394 | |
| 3395 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3396 JNIWrapper("GetArrayLength"); | |
| 4006 | 3397 #ifndef USDT2 |
| 0 | 3398 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3399 #else /* USDT2 */ |
| 3400 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3401 env, array); | |
| 3402 #endif /* USDT2 */ | |
| 0 | 3403 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3404 assert(a->is_array(), "must be array"); | |
| 3405 jsize ret = a->length(); | |
| 4006 | 3406 #ifndef USDT2 |
| 0 | 3407 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3408 #else /* USDT2 */ |
| 3409 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3410 ret); | |
| 3411 #endif /* USDT2 */ | |
| 0 | 3412 return ret; |
| 3413 JNI_END | |
| 3414 | |
| 3415 | |
| 3416 // | |
| 3417 // Object Array Operations | |
| 3418 // | |
| 3419 | |
| 4006 | 3420 #ifndef USDT2 |
| 0 | 3421 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3422 #else /* USDT2 */ |
| 3423 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3424 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3425 #endif /* USDT2 */ | |
| 0 | 3426 |
| 3427 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3428 JNIWrapper("NewObjectArray"); | |
| 4006 | 3429 #ifndef USDT2 |
| 0 | 3430 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3431 #else /* USDT2 */ |
| 3432 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3433 env, length, elementClass, initialElement); | |
| 3434 #endif /* USDT2 */ | |
| 0 | 3435 jobjectArray ret = NULL; |
| 3436 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
| 3437 KlassHandle ek(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(elementClass))); | |
| 3438 klassOop ako = Klass::cast(ek())->array_klass(CHECK_NULL); | |
| 3439 KlassHandle ak = KlassHandle(THREAD, ako); | |
| 3440 objArrayKlass::cast(ak())->initialize(CHECK_NULL); | |
| 3441 objArrayOop result = objArrayKlass::cast(ak())->allocate(length, CHECK_NULL); | |
| 3442 oop initial_value = JNIHandles::resolve(initialElement); | |
| 3443 if (initial_value != NULL) { // array already initialized with NULL | |
| 3444 for (int index = 0; index < length; index++) { | |
| 3445 result->obj_at_put(index, initial_value); | |
| 3446 } | |
| 3447 } | |
| 3448 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3449 return ret; | |
| 3450 JNI_END | |
| 3451 | |
| 4006 | 3452 #ifndef USDT2 |
| 0 | 3453 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3454 #else /* USDT2 */ |
| 3455 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3456 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3457 #endif /* USDT2 */ | |
| 0 | 3458 |
| 3459 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3460 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3461 #ifndef USDT2 |
| 0 | 3462 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3463 #else /* USDT2 */ |
| 3464 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3465 env, array, index); | |
| 3466 #endif /* USDT2 */ | |
| 0 | 3467 jobject ret = NULL; |
| 3468 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3469 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3470 if (a->is_within_bounds(index)) { | |
|
1034
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6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
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973
diff
changeset
|
3471 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3472 return ret; |
| 3473 } else { | |
| 3474 char buf[jintAsStringSize]; | |
| 3475 sprintf(buf, "%d", index); | |
| 3476 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3477 } | |
| 3478 JNI_END | |
| 3479 | |
| 4006 | 3480 #ifndef USDT2 |
| 0 | 3481 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3482 #else /* USDT2 */ |
| 3483 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3484 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3485 #endif /* USDT2 */ | |
| 0 | 3486 |
| 3487 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3488 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3489 #ifndef USDT2 |
| 0 | 3490 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3491 #else /* USDT2 */ |
| 3492 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3493 env, array, index, value); | |
| 3494 #endif /* USDT2 */ | |
| 0 | 3495 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3496 | |
| 3497 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3498 oop v = JNIHandles::resolve(value); | |
| 3499 if (a->is_within_bounds(index)) { | |
| 3500 if (v == NULL || v->is_a(objArrayKlass::cast(a->klass())->element_klass())) { | |
| 3501 a->obj_at_put(index, v); | |
| 3502 } else { | |
| 3503 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3504 } | |
| 3505 } else { | |
| 3506 char buf[jintAsStringSize]; | |
| 3507 sprintf(buf, "%d", index); | |
| 3508 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3509 } | |
| 3510 JNI_END | |
| 3511 | |
| 3512 | |
| 4006 | 3513 #ifndef USDT2 |
| 0 | 3514 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3515 \ | |
| 4006 | 3516 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3517 \ |
| 3518 JNI_ENTRY(Return, \ | |
| 3519 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3520 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3521 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3522 Return ret = NULL;\ | |
|
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08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3523 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3524 \ |
| 3525 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3526 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3527 return ret;\ | |
| 3528 JNI_END | |
| 3529 | |
| 3530 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3531 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3532 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3533 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3534 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3535 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3536 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3537 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3538 | |
| 4006 | 3539 #else /* USDT2 */ |
| 3540 | |
| 3541 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3542 ,EntryProbe,ReturnProbe) \ | |
| 3543 \ | |
| 3544 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3545 , ReturnProbe); \ | |
| 3546 \ | |
| 3547 JNI_ENTRY(Return, \ | |
| 3548 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3549 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3550 EntryProbe; \ | |
| 3551 Return ret = NULL;\ | |
| 3552 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3553 \ | |
| 3554 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3555 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3556 return ret;\ | |
| 3557 JNI_END | |
| 3558 | |
| 3559 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3560 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3561 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3562 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3563 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3564 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3565 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3566 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3567 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3568 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3569 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3570 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3571 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3572 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3573 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3574 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3575 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3576 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3577 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3578 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3579 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3580 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3581 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3582 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3583 #endif /* USDT2 */ | |
| 0 | 3584 |
| 3585 // Return an address which will fault if the caller writes to it. | |
| 3586 | |
| 3587 static char* get_bad_address() { | |
| 3588 static char* bad_address = NULL; | |
| 3589 if (bad_address == NULL) { | |
| 3590 size_t size = os::vm_allocation_granularity(); | |
| 3591 bad_address = os::reserve_memory(size); | |
| 3592 if (bad_address != NULL) { | |
|
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coleenp
parents:
237
diff
changeset
|
3593 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
24fda36852ce
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237
diff
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|
3594 /*is_committed*/false); |
| 0 | 3595 } |
| 3596 } | |
| 3597 return bad_address; | |
| 3598 } | |
| 3599 | |
| 3600 | |
| 4006 | 3601 #ifndef USDT2 |
| 0 | 3602 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3603 \ | |
| 3604 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3605 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3606 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3607 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3608 /* allocate an chunk of memory in c land */ \ | |
| 3609 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3610 ElementType* result; \ | |
| 3611 int len = a->length(); \ | |
| 3612 if (len == 0) { \ | |
| 3613 /* Empty array: legal but useless, can't return NULL. \ | |
| 3614 * Return a pointer to something useless. \ | |
| 3615 * Avoid asserts in typeArrayOop. */ \ | |
| 3616 result = (ElementType*)get_bad_address(); \ | |
| 3617 } else { \ | |
| 3618 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
| 3619 /* copy the array to the c chunk */ \ | |
| 3620 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3621 } \ | |
| 3622 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3623 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3624 return result; \ | |
| 3625 JNI_END | |
| 3626 | |
| 3627 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3628 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3629 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3630 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3631 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3632 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3633 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3634 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3635 | |
| 4006 | 3636 #else /* USDT2 */ |
| 3637 | |
| 3638 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3639 , EntryProbe, ReturnProbe) \ | |
| 3640 \ | |
| 3641 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3642 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3643 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3644 EntryProbe; \ | |
| 3645 /* allocate an chunk of memory in c land */ \ | |
| 3646 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3647 ElementType* result; \ | |
| 3648 int len = a->length(); \ | |
| 3649 if (len == 0) { \ | |
| 3650 /* Empty array: legal but useless, can't return NULL. \ | |
| 3651 * Return a pointer to something useless. \ | |
| 3652 * Avoid asserts in typeArrayOop. */ \ | |
| 3653 result = (ElementType*)get_bad_address(); \ | |
| 3654 } else { \ | |
| 3655 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
| 3656 /* copy the array to the c chunk */ \ | |
| 3657 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3658 } \ | |
| 3659 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3660 ReturnProbe; \ | |
| 3661 return result; \ | |
| 3662 JNI_END | |
| 3663 | |
| 3664 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3665 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3666 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3667 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3668 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3669 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3670 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3671 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3672 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3673 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3674 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3675 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3676 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3677 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3678 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3679 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3680 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3681 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3682 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3683 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3684 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3685 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3686 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3687 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3688 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3689 #endif /* USDT2 */ | |
| 3690 | |
| 3691 #ifndef USDT2 | |
| 0 | 3692 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3693 \ | |
| 3694 JNI_QUICK_ENTRY(void, \ | |
| 3695 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3696 ElementType *buf, jint mode)) \ | |
| 3697 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3698 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3699 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3700 int len = a->length(); \ | |
| 3701 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3702 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3703 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3704 } \ | |
| 3705 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3706 FreeHeap(buf); \ | |
| 3707 } \ | |
| 3708 } \ | |
| 3709 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3710 JNI_END | |
| 3711 | |
| 3712 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3713 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3714 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3720 | |
| 4006 | 3721 #else /* USDT2 */ |
| 3722 | |
| 3723 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3724 , EntryProbe, ReturnProbe);\ | |
| 3725 \ | |
| 3726 JNI_QUICK_ENTRY(void, \ | |
| 3727 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3728 ElementType *buf, jint mode)) \ | |
| 3729 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3730 EntryProbe; \ | |
| 3731 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3732 int len = a->length(); \ | |
| 3733 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3734 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3735 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3736 } \ | |
| 3737 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3738 FreeHeap(buf); \ | |
| 3739 } \ | |
| 3740 } \ | |
| 3741 ReturnProbe; \ | |
| 3742 JNI_END | |
| 3743 | |
| 3744 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3745 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3746 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3747 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3748 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3749 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3750 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3751 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3752 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3753 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3754 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3755 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3756 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3757 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3758 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3759 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3760 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3761 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3762 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3763 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3764 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3765 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3766 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3767 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3768 #endif /* USDT2 */ | |
| 3769 | |
| 3770 #ifndef USDT2 | |
| 0 | 3771 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3772 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3773 \ | |
| 3774 JNI_ENTRY(void, \ | |
| 3775 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3776 jsize len, ElementType *buf)) \ | |
| 3777 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3778 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3779 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3780 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3781 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3782 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3783 } else { \ | |
| 3784 if (len > 0) { \ | |
| 3785 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
| 3786 memcpy((u_char*) buf, \ | |
| 3787 (u_char*) src->Tag##_at_addr(start), \ | |
| 3788 len << sc); \ | |
| 3789 } \ | |
| 3790 } \ | |
| 3791 JNI_END | |
| 3792 | |
| 3793 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3794 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3795 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3796 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3797 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3798 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3799 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3800 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3801 | |
| 4006 | 3802 #else /* USDT2 */ |
| 3803 | |
| 3804 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3805 , EntryProbe, ReturnProbe); \ | |
| 3806 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3807 , ReturnProbe); \ | |
| 3808 \ | |
| 3809 JNI_ENTRY(void, \ | |
| 3810 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3811 jsize len, ElementType *buf)) \ | |
| 3812 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3813 EntryProbe; \ | |
| 3814 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3815 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3816 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3817 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3818 } else { \ | |
| 3819 if (len > 0) { \ | |
| 3820 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
| 3821 memcpy((u_char*) buf, \ | |
| 3822 (u_char*) src->Tag##_at_addr(start), \ | |
| 3823 len << sc); \ | |
| 3824 } \ | |
| 3825 } \ | |
| 3826 JNI_END | |
| 3827 | |
| 3828 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3829 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3830 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3831 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3832 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3833 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3834 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3835 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3836 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3837 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3838 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3839 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3840 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3841 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3842 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3843 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3844 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3845 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3846 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3847 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3848 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3849 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3850 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3851 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3852 #endif /* USDT2 */ | |
| 3853 | |
| 3854 #ifndef USDT2 | |
| 0 | 3855 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3856 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3857 \ | |
| 3858 JNI_ENTRY(void, \ | |
| 3859 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3860 jsize len, const ElementType *buf)) \ | |
| 3861 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3862 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3863 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3864 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3865 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3866 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3867 } else { \ | |
| 3868 if (len > 0) { \ | |
| 3869 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
| 3870 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
| 3871 (u_char*) buf, \ | |
| 3872 len << sc); \ | |
| 3873 } \ | |
| 3874 } \ | |
| 3875 JNI_END | |
| 3876 | |
| 3877 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3878 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3879 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3880 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3881 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3882 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3883 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3884 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3885 | |
| 4006 | 3886 #else /* USDT2 */ |
| 3887 | |
| 3888 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3889 , EntryProbe, ReturnProbe); \ | |
| 3890 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3891 ,ReturnProbe); \ | |
| 3892 \ | |
| 3893 JNI_ENTRY(void, \ | |
| 3894 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3895 jsize len, const ElementType *buf)) \ | |
| 3896 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3897 EntryProbe; \ | |
| 3898 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3899 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3900 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3901 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3902 } else { \ | |
| 3903 if (len > 0) { \ | |
| 3904 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
| 3905 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
| 3906 (u_char*) buf, \ | |
| 3907 len << sc); \ | |
| 3908 } \ | |
| 3909 } \ | |
| 3910 JNI_END | |
| 3911 | |
| 3912 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3913 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3914 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3915 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3916 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3917 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3918 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3919 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3920 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3921 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3922 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3923 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3924 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3925 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3926 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3927 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3928 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3929 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3930 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3931 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3932 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3933 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3934 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3935 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3936 #endif /* USDT2 */ | |
| 3937 | |
| 0 | 3938 |
| 3939 // | |
| 3940 // Interception of natives | |
| 3941 // | |
| 3942 | |
| 3943 // The RegisterNatives call being attempted tried to register with a method that | |
| 3944 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3945 // to see if the native method is now wrapped with the prefixes. See the | |
| 3946 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
| 3947 static methodOop find_prefixed_native(KlassHandle k, | |
|
2177
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diff
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|
3948 Symbol* name, Symbol* signature, TRAPS) { |
| 0 | 3949 ResourceMark rm(THREAD); |
| 3950 methodOop method; | |
| 3951 int name_len = name->utf8_length(); | |
| 3952 char* name_str = name->as_utf8(); | |
| 3953 int prefix_count; | |
| 3954 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3955 for (int i = 0; i < prefix_count; i++) { | |
| 3956 char* prefix = prefixes[i]; | |
| 3957 int prefix_len = (int)strlen(prefix); | |
| 3958 | |
| 3959 // try adding this prefix to the method name and see if it matches another method name | |
| 3960 int trial_len = name_len + prefix_len; | |
| 3961 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3962 strcpy(trial_name_str, prefix); | |
| 3963 strcat(trial_name_str, name_str); | |
|
2177
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diff
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|
3964 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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parents:
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diff
changeset
|
3965 if (trial_name == NULL) { |
| 0 | 3966 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3967 } | |
|
2177
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diff
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|
3968 method = Klass::cast(k())->lookup_method(trial_name, signature); |
| 0 | 3969 if (method == NULL) { |
| 3970 continue; // signature doesn't match, try the next prefix | |
| 3971 } | |
| 3972 if (method->is_native()) { | |
| 3973 method->set_is_prefixed_native(); | |
| 3974 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3975 } | |
| 3976 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3977 name_len = trial_len; | |
| 3978 name_str = trial_name_str; | |
| 3979 } | |
| 3980 return NULL; // not found | |
| 3981 } | |
| 3982 | |
|
2177
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diff
changeset
|
3983 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
|
3582bf76420e
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1989
diff
changeset
|
3984 methodOop method = Klass::cast(k())->lookup_method(name, signature); |
| 0 | 3985 if (method == NULL) { |
| 3986 ResourceMark rm; | |
| 3987 stringStream st; | |
| 3988 st.print("Method %s name or signature does not match", | |
|
2177
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diff
changeset
|
3989 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
| 0 | 3990 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3991 } | |
| 3992 if (!method->is_native()) { | |
| 3993 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 3994 method = find_prefixed_native(k, name, signature, THREAD); | |
| 3995 if (method == NULL) { | |
| 3996 ResourceMark rm; | |
| 3997 stringStream st; | |
| 3998 st.print("Method %s is not declared as native", | |
|
2177
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parents:
1989
diff
changeset
|
3999 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
| 0 | 4000 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4001 } | |
| 4002 } | |
| 4003 | |
| 4004 if (entry != NULL) { | |
| 4005 method->set_native_function(entry, | |
| 4006 methodOopDesc::native_bind_event_is_interesting); | |
| 4007 } else { | |
| 4008 method->clear_native_function(); | |
| 4009 } | |
| 4010 if (PrintJNIResolving) { | |
| 4011 ResourceMark rm(THREAD); | |
| 4012 tty->print_cr("[Registering JNI native method %s.%s]", | |
| 4013 Klass::cast(method->method_holder())->external_name(), | |
| 4014 method->name()->as_C_string()); | |
| 4015 } | |
| 4016 return true; | |
| 4017 } | |
| 4018 | |
| 4006 | 4019 #ifndef USDT2 |
| 0 | 4020 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4021 #else /* USDT2 */ |
| 4022 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4023 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4024 #endif /* USDT2 */ | |
| 0 | 4025 |
| 4026 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4027 const JNINativeMethod *methods, | |
| 4028 jint nMethods)) | |
| 4029 JNIWrapper("RegisterNatives"); | |
| 4006 | 4030 #ifndef USDT2 |
| 0 | 4031 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4032 #else /* USDT2 */ |
| 4033 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4034 env, clazz, (void *) methods, nMethods); | |
| 4035 #endif /* USDT2 */ | |
| 0 | 4036 jint ret = 0; |
| 4037 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4038 | |
| 4039 KlassHandle h_k(thread, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 4040 | |
| 4041 for (int index = 0; index < nMethods; index++) { | |
| 4042 const char* meth_name = methods[index].name; | |
| 4043 const char* meth_sig = methods[index].signature; | |
| 4044 int meth_name_len = (int)strlen(meth_name); | |
| 4045 | |
| 4046 // The class should have been loaded (we have an instance of the class | |
| 4047 // passed in) so the method and signature should already be in the symbol | |
| 4048 // table. If they're not there, the method doesn't exist. | |
|
2177
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1989
diff
changeset
|
4049 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
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coleenp
parents:
1989
diff
changeset
|
4050 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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1989
diff
changeset
|
4051 |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4052 if (name == NULL || signature == NULL) { |
| 0 | 4053 ResourceMark rm; |
| 4054 stringStream st; | |
| 4055 st.print("Method %s.%s%s not found", Klass::cast(h_k())->external_name(), meth_name, meth_sig); | |
| 4056 // Must return negative value on failure | |
| 4057 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4058 } | |
| 4059 | |
| 4060 bool res = register_native(h_k, name, signature, | |
| 4061 (address) methods[index].fnPtr, THREAD); | |
| 4062 if (!res) { | |
| 4063 ret = -1; | |
| 4064 break; | |
| 4065 } | |
| 4066 } | |
| 4067 return ret; | |
| 4068 JNI_END | |
| 4069 | |
| 4070 | |
| 4071 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4072 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4073 #ifndef USDT2 |
| 0 | 4074 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4075 #else /* USDT2 */ |
| 4076 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4077 env, clazz); | |
| 4078 #endif /* USDT2 */ | |
| 0 | 4079 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz)); |
| 4080 //%note jni_2 | |
| 4081 if (Klass::cast(k)->oop_is_instance()) { | |
| 4082 for (int index = 0; index < instanceKlass::cast(k)->methods()->length(); index++) { | |
| 4083 methodOop m = methodOop(instanceKlass::cast(k)->methods()->obj_at(index)); | |
| 4084 if (m->is_native()) { | |
| 4085 m->clear_native_function(); | |
| 4086 m->set_signature_handler(NULL); | |
| 4087 } | |
| 4088 } | |
| 4089 } | |
| 4006 | 4090 #ifndef USDT2 |
| 0 | 4091 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4092 #else /* USDT2 */ |
| 4093 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4094 0); | |
| 4095 #endif /* USDT2 */ | |
| 0 | 4096 return 0; |
| 4097 JNI_END | |
| 4098 | |
| 4099 // | |
| 4100 // Monitor functions | |
| 4101 // | |
| 4102 | |
| 4006 | 4103 #ifndef USDT2 |
| 0 | 4104 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4105 #else /* USDT2 */ |
| 4106 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4107 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4108 #endif /* USDT2 */ | |
| 0 | 4109 |
| 4110 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4111 #ifndef USDT2 |
| 0 | 4112 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4113 #else /* USDT2 */ |
| 4114 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4115 env, jobj); | |
| 4116 #endif /* USDT2 */ | |
| 0 | 4117 jint ret = JNI_ERR; |
| 4118 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4119 | |
| 4120 // If the object is null, we can't do anything with it | |
| 4121 if (jobj == NULL) { | |
| 4122 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4123 } | |
| 4124 | |
| 4125 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4126 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4127 ret = JNI_OK; | |
| 4128 return ret; | |
| 4129 JNI_END | |
| 4130 | |
| 4006 | 4131 #ifndef USDT2 |
| 0 | 4132 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4133 #else /* USDT2 */ |
| 4134 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4135 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4136 #endif /* USDT2 */ | |
| 0 | 4137 |
| 4138 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4139 #ifndef USDT2 |
| 0 | 4140 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4141 #else /* USDT2 */ |
| 4142 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4143 env, jobj); | |
| 4144 #endif /* USDT2 */ | |
| 0 | 4145 jint ret = JNI_ERR; |
| 4146 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4147 | |
| 4148 // Don't do anything with a null object | |
| 4149 if (jobj == NULL) { | |
| 4150 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4151 } | |
| 4152 | |
| 4153 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4154 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4155 | |
| 4156 ret = JNI_OK; | |
| 4157 return ret; | |
| 4158 JNI_END | |
| 4159 | |
| 4160 // | |
| 4161 // Extensions | |
| 4162 // | |
| 4163 | |
| 4006 | 4164 #ifndef USDT2 |
| 0 | 4165 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4166 #else /* USDT2 */ |
| 4167 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4168 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4169 #endif /* USDT2 */ | |
| 0 | 4170 |
| 4171 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4172 JNIWrapper("GetStringRegion"); | |
| 4006 | 4173 #ifndef USDT2 |
| 0 | 4174 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4175 #else /* USDT2 */ |
| 4176 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4177 env, string, start, len, buf); | |
| 4178 #endif /* USDT2 */ | |
| 0 | 4179 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4180 oop s = JNIHandles::resolve_non_null(string); | |
| 4181 int s_len = java_lang_String::length(s); | |
| 4182 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4183 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4184 } else { | |
| 4185 if (len > 0) { | |
| 4186 int s_offset = java_lang_String::offset(s); | |
| 4187 typeArrayOop s_value = java_lang_String::value(s); | |
| 4188 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4189 } | |
| 4190 } | |
| 4191 JNI_END | |
| 4192 | |
| 4006 | 4193 #ifndef USDT2 |
| 0 | 4194 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4195 #else /* USDT2 */ |
| 4196 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4197 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4198 #endif /* USDT2 */ | |
| 0 | 4199 |
| 4200 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4201 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4202 #ifndef USDT2 |
| 0 | 4203 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4204 #else /* USDT2 */ |
| 4205 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4206 env, string, start, len, buf); | |
| 4207 #endif /* USDT2 */ | |
| 0 | 4208 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4209 oop s = JNIHandles::resolve_non_null(string); | |
| 4210 int s_len = java_lang_String::length(s); | |
| 4211 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4212 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4213 } else { | |
| 4214 //%note jni_7 | |
| 4215 if (len > 0) { | |
| 4216 ResourceMark rm(THREAD); | |
| 4217 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4218 int utf_len = (int)strlen(utf_region); | |
| 4219 memcpy(buf, utf_region, utf_len); | |
| 4220 buf[utf_len] = 0; | |
| 4221 } else { | |
| 4222 // JDK null-terminates the buffer even in len is zero | |
| 4223 if (buf != NULL) { | |
| 4224 buf[0] = 0; | |
| 4225 } | |
| 4226 } | |
| 4227 } | |
| 4228 JNI_END | |
| 4229 | |
| 4230 | |
| 4231 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4232 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4233 #ifndef USDT2 |
| 0 | 4234 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4235 #else /* USDT2 */ |
| 4236 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4237 env, array, (uintptr_t *) isCopy); | |
| 4238 #endif /* USDT2 */ | |
| 0 | 4239 GC_locker::lock_critical(thread); |
| 4240 if (isCopy != NULL) { | |
| 4241 *isCopy = JNI_FALSE; | |
| 4242 } | |
| 4243 oop a = JNIHandles::resolve_non_null(array); | |
| 4244 assert(a->is_array(), "just checking"); | |
| 4245 BasicType type; | |
| 4246 if (a->is_objArray()) { | |
| 4247 type = T_OBJECT; | |
| 4248 } else { | |
| 4249 type = typeArrayKlass::cast(a->klass())->element_type(); | |
| 4250 } | |
| 4251 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4252 #ifndef USDT2 |
| 0 | 4253 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4254 #else /* USDT2 */ |
| 4255 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4256 ret); | |
| 4257 #endif /* USDT2 */ | |
| 0 | 4258 return ret; |
| 4259 JNI_END | |
| 4260 | |
| 4261 | |
| 4262 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4263 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4264 #ifndef USDT2 |
| 0 | 4265 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4266 #else /* USDT2 */ |
| 4267 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4268 env, array, carray, mode); | |
| 4269 #endif /* USDT2 */ | |
| 0 | 4270 // The array, carray and mode arguments are ignored |
| 4271 GC_locker::unlock_critical(thread); | |
| 4006 | 4272 #ifndef USDT2 |
| 0 | 4273 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4274 #else /* USDT2 */ |
| 4275 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4276 ); | |
| 4277 #endif /* USDT2 */ | |
| 0 | 4278 JNI_END |
| 4279 | |
| 4280 | |
| 4281 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4282 JNIWrapper("GetStringCritical"); | |
| 4006 | 4283 #ifndef USDT2 |
| 0 | 4284 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4285 #else /* USDT2 */ |
| 4286 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4287 env, string, (uintptr_t *) isCopy); | |
| 4288 #endif /* USDT2 */ | |
| 0 | 4289 GC_locker::lock_critical(thread); |
| 4290 if (isCopy != NULL) { | |
| 4291 *isCopy = JNI_FALSE; | |
| 4292 } | |
| 4293 oop s = JNIHandles::resolve_non_null(string); | |
| 4294 int s_len = java_lang_String::length(s); | |
| 4295 typeArrayOop s_value = java_lang_String::value(s); | |
| 4296 int s_offset = java_lang_String::offset(s); | |
| 4297 const jchar* ret; | |
| 4298 if (s_len > 0) { | |
| 4299 ret = s_value->char_at_addr(s_offset); | |
| 4300 } else { | |
| 4301 ret = (jchar*) s_value->base(T_CHAR); | |
| 4302 } | |
| 4006 | 4303 #ifndef USDT2 |
| 0 | 4304 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4305 #else /* USDT2 */ |
| 4306 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4307 (uint16_t *) ret); | |
| 4308 #endif /* USDT2 */ | |
| 0 | 4309 return ret; |
| 4310 JNI_END | |
| 4311 | |
| 4312 | |
| 4313 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4314 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4315 #ifndef USDT2 |
| 0 | 4316 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4317 #else /* USDT2 */ |
| 4318 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4319 env, str, (uint16_t *) chars); | |
| 4320 #endif /* USDT2 */ | |
| 0 | 4321 // The str and chars arguments are ignored |
| 4322 GC_locker::unlock_critical(thread); | |
| 4006 | 4323 #ifndef USDT2 |
| 0 | 4324 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4325 #else /* USDT2 */ |
| 4326 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4327 ); | |
| 4328 #endif /* USDT2 */ | |
| 0 | 4329 JNI_END |
| 4330 | |
| 4331 | |
| 4332 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4333 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4334 #ifndef USDT2 |
| 0 | 4335 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4336 #else /* USDT2 */ |
| 4337 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4338 env, ref); | |
| 4339 #endif /* USDT2 */ | |
| 0 | 4340 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4341 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4342 #ifndef USDT2 |
| 0 | 4343 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4344 #else /* USDT2 */ |
| 4345 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4346 ret); | |
| 4347 #endif /* USDT2 */ | |
| 0 | 4348 return ret; |
| 4349 JNI_END | |
| 4350 | |
| 4351 // Must be JNI_ENTRY (with HandleMark) | |
| 4352 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4353 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4354 #ifndef USDT2 |
| 0 | 4355 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4356 #else /* USDT2 */ |
| 4357 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4358 env, ref); | |
| 4359 #endif /* USDT2 */ | |
| 0 | 4360 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4361 #ifndef USDT2 |
| 0 | 4362 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4363 #else /* USDT2 */ |
| 4364 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4365 ); | |
| 4366 #endif /* USDT2 */ | |
| 0 | 4367 JNI_END |
| 4368 | |
| 4369 | |
| 4370 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4371 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4372 #ifndef USDT2 |
| 0 | 4373 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4374 #else /* USDT2 */ |
| 4375 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4376 env); | |
| 4377 #endif /* USDT2 */ | |
| 0 | 4378 jni_check_async_exceptions(thread); |
| 4379 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4380 #ifndef USDT2 |
| 0 | 4381 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4382 #else /* USDT2 */ |
| 4383 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4384 ret); | |
| 4385 #endif /* USDT2 */ | |
| 0 | 4386 return ret; |
| 4387 JNI_END | |
| 4388 | |
| 4389 | |
| 4390 // Initialization state for three routines below relating to | |
| 4391 // java.nio.DirectBuffers | |
| 4392 static jint directBufferSupportInitializeStarted = 0; | |
| 4393 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4394 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4395 static jclass bufferClass = NULL; | |
| 4396 static jclass directBufferClass = NULL; | |
| 4397 static jclass directByteBufferClass = NULL; | |
| 4398 static jmethodID directByteBufferConstructor = NULL; | |
| 4399 static jfieldID directBufferAddressField = NULL; | |
| 4400 static jfieldID bufferCapacityField = NULL; | |
| 4401 | |
| 4402 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4403 Handle loader; // null (bootstrap) loader | |
| 4404 Handle protection_domain; // null protection domain | |
| 4405 | |
|
2177
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4406 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
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parents:
579
diff
changeset
|
4407 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
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parents:
579
diff
changeset
|
4408 |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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diff
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|
4409 if (TraceClassResolution && result != NULL) { |
|
715dceaa89b7
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parents:
579
diff
changeset
|
4410 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
|
715dceaa89b7
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|
4411 } |
|
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diff
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|
4412 return result; |
| 0 | 4413 } |
| 4414 | |
| 4415 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4416 // circumvent any security checks that would be done by jni_FindClass. | |
| 4417 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4418 { | |
| 4419 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4420 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4421 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4422 return true; | |
| 4423 } | |
| 4424 JNI_END | |
| 4425 | |
| 4426 | |
| 4427 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4428 if (directBufferSupportInitializeFailed) { | |
| 4429 return false; | |
| 4430 } | |
| 4431 | |
| 4432 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4433 if (!lookupDirectBufferClasses(env)) { | |
| 4434 directBufferSupportInitializeFailed = 1; | |
| 4435 return false; | |
| 4436 } | |
| 4437 | |
| 4438 // Make global references for these | |
| 4439 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4440 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4441 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4442 | |
| 4443 // Get needed field and method IDs | |
| 4444 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4445 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4446 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4447 | |
| 4448 if ((directByteBufferConstructor == NULL) || | |
| 4449 (directBufferAddressField == NULL) || | |
| 4450 (bufferCapacityField == NULL)) { | |
| 4451 directBufferSupportInitializeFailed = 1; | |
| 4452 return false; | |
| 4453 } | |
| 4454 | |
| 4455 directBufferSupportInitializeEnded = 1; | |
| 4456 } else { | |
| 4457 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
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parents:
477
diff
changeset
|
4458 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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parents:
477
diff
changeset
|
4459 // os::sleep which requires the VM state transition. On other platforms, it |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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parents:
477
diff
changeset
|
4460 // is not necessary. The following call to change the VM state is purposely |
|
4db4e58c16bd
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parents:
477
diff
changeset
|
4461 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
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parents:
477
diff
changeset
|
4462 // try to call this method. See 6791815 for more details. |
|
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diff
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|
4463 ThreadInVMfromNative tivn(thread); |
| 0 | 4464 os::yield_all(); |
| 4465 } | |
| 4466 } | |
| 4467 | |
| 4468 return !directBufferSupportInitializeFailed; | |
| 4469 } | |
| 4470 | |
| 4471 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4472 { | |
| 4473 // thread_from_jni_environment() will block if VM is gone. | |
| 4474 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4475 | |
| 4476 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4477 #ifndef USDT2 |
| 0 | 4478 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4479 #else /* USDT2 */ |
| 4480 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4481 env, address, capacity); | |
| 4482 #endif /* USDT2 */ | |
| 0 | 4483 |
| 4484 if (!directBufferSupportInitializeEnded) { | |
| 4485 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4486 #ifndef USDT2 |
| 0 | 4487 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4488 #else /* USDT2 */ |
| 4489 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4490 NULL); | |
| 4491 #endif /* USDT2 */ | |
| 0 | 4492 return NULL; |
| 4493 } | |
| 4494 } | |
| 4495 | |
| 4496 // Being paranoid about accidental sign extension on address | |
| 4497 jlong addr = (jlong) ((uintptr_t) address); | |
| 4498 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4499 // takes int capacity | |
| 4500 jint cap = (jint) capacity; | |
| 4501 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4502 #ifndef USDT2 |
| 0 | 4503 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4504 #else /* USDT2 */ |
| 4505 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4506 ret); | |
| 4507 #endif /* USDT2 */ | |
| 0 | 4508 return ret; |
| 4509 } | |
| 4510 | |
| 4006 | 4511 #ifndef USDT2 |
| 0 | 4512 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4513 #else /* USDT2 */ |
| 4514 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4515 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4516 #endif /* USDT2 */ | |
| 0 | 4517 |
| 4518 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4519 { | |
| 4520 // thread_from_jni_environment() will block if VM is gone. | |
| 4521 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4522 | |
| 4523 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4524 #ifndef USDT2 |
| 0 | 4525 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4526 #else /* USDT2 */ |
| 4527 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4528 env, buf); | |
| 4529 #endif /* USDT2 */ | |
| 0 | 4530 void* ret = NULL; |
| 4531 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4532 | |
| 4533 if (!directBufferSupportInitializeEnded) { | |
| 4534 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4535 return 0; | |
| 4536 } | |
| 4537 } | |
| 4538 | |
| 4539 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4540 return 0; | |
| 4541 } | |
| 4542 | |
| 4543 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4544 return ret; | |
| 4545 } | |
| 4546 | |
| 4006 | 4547 #ifndef USDT2 |
| 0 | 4548 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4549 #else /* USDT2 */ |
| 4550 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4551 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4552 #endif /* USDT2 */ | |
| 0 | 4553 |
| 4554 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4555 { | |
| 4556 // thread_from_jni_environment() will block if VM is gone. | |
| 4557 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4558 | |
| 4559 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4560 #ifndef USDT2 |
| 0 | 4561 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4562 #else /* USDT2 */ |
| 4563 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4564 env, buf); | |
| 4565 #endif /* USDT2 */ | |
| 0 | 4566 jlong ret = -1; |
| 4567 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4568 | |
| 4569 if (!directBufferSupportInitializeEnded) { | |
| 4570 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4571 ret = 0; | |
| 4572 return ret; | |
| 4573 } | |
| 4574 } | |
| 4575 | |
| 4576 if (buf == NULL) { | |
| 4577 return -1; | |
| 4578 } | |
| 4579 | |
| 4580 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4581 return -1; | |
| 4582 } | |
| 4583 | |
| 4584 // NOTE that capacity is currently an int in the implementation | |
| 4585 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4586 return ret; | |
| 4587 } | |
| 4588 | |
| 4589 | |
| 4590 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4591 JNIWrapper("GetVersion"); | |
| 4006 | 4592 #ifndef USDT2 |
| 0 | 4593 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4594 #else /* USDT2 */ |
| 4595 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4596 env); | |
| 4597 #endif /* USDT2 */ | |
| 4598 #ifndef USDT2 | |
| 0 | 4599 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4600 #else /* USDT2 */ |
| 4601 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4602 CurrentVersion); | |
| 4603 #endif /* USDT2 */ | |
| 0 | 4604 return CurrentVersion; |
| 4605 JNI_END | |
| 4606 | |
| 4607 extern struct JavaVM_ main_vm; | |
| 4608 | |
| 4609 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4610 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4611 #ifndef USDT2 |
| 0 | 4612 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4613 #else /* USDT2 */ |
| 4614 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4615 env, (void **) vm); | |
| 4616 #endif /* USDT2 */ | |
| 0 | 4617 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4618 #ifndef USDT2 |
| 0 | 4619 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4620 #else /* USDT2 */ |
| 4621 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4622 JNI_OK); | |
| 4623 #endif /* USDT2 */ | |
| 0 | 4624 return JNI_OK; |
| 4625 JNI_END | |
| 4626 | |
| 4627 // Structure containing all jni functions | |
| 4628 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4629 NULL, | |
| 4630 NULL, | |
| 4631 NULL, | |
| 4632 | |
| 4633 NULL, | |
| 4634 | |
| 4635 jni_GetVersion, | |
| 4636 | |
| 4637 jni_DefineClass, | |
| 4638 jni_FindClass, | |
| 4639 | |
| 4640 jni_FromReflectedMethod, | |
| 4641 jni_FromReflectedField, | |
| 4642 | |
| 4643 jni_ToReflectedMethod, | |
| 4644 | |
| 4645 jni_GetSuperclass, | |
| 4646 jni_IsAssignableFrom, | |
| 4647 | |
| 4648 jni_ToReflectedField, | |
| 4649 | |
| 4650 jni_Throw, | |
| 4651 jni_ThrowNew, | |
| 4652 jni_ExceptionOccurred, | |
| 4653 jni_ExceptionDescribe, | |
| 4654 jni_ExceptionClear, | |
| 4655 jni_FatalError, | |
| 4656 | |
| 4657 jni_PushLocalFrame, | |
| 4658 jni_PopLocalFrame, | |
| 4659 | |
| 4660 jni_NewGlobalRef, | |
| 4661 jni_DeleteGlobalRef, | |
| 4662 jni_DeleteLocalRef, | |
| 4663 jni_IsSameObject, | |
| 4664 | |
| 4665 jni_NewLocalRef, | |
| 4666 jni_EnsureLocalCapacity, | |
| 4667 | |
| 4668 jni_AllocObject, | |
| 4669 jni_NewObject, | |
| 4670 jni_NewObjectV, | |
| 4671 jni_NewObjectA, | |
| 4672 | |
| 4673 jni_GetObjectClass, | |
| 4674 jni_IsInstanceOf, | |
| 4675 | |
| 4676 jni_GetMethodID, | |
| 4677 | |
| 4678 jni_CallObjectMethod, | |
| 4679 jni_CallObjectMethodV, | |
| 4680 jni_CallObjectMethodA, | |
| 4681 jni_CallBooleanMethod, | |
| 4682 jni_CallBooleanMethodV, | |
| 4683 jni_CallBooleanMethodA, | |
| 4684 jni_CallByteMethod, | |
| 4685 jni_CallByteMethodV, | |
| 4686 jni_CallByteMethodA, | |
| 4687 jni_CallCharMethod, | |
| 4688 jni_CallCharMethodV, | |
| 4689 jni_CallCharMethodA, | |
| 4690 jni_CallShortMethod, | |
| 4691 jni_CallShortMethodV, | |
| 4692 jni_CallShortMethodA, | |
| 4693 jni_CallIntMethod, | |
| 4694 jni_CallIntMethodV, | |
| 4695 jni_CallIntMethodA, | |
| 4696 jni_CallLongMethod, | |
| 4697 jni_CallLongMethodV, | |
| 4698 jni_CallLongMethodA, | |
| 4699 jni_CallFloatMethod, | |
| 4700 jni_CallFloatMethodV, | |
| 4701 jni_CallFloatMethodA, | |
| 4702 jni_CallDoubleMethod, | |
| 4703 jni_CallDoubleMethodV, | |
| 4704 jni_CallDoubleMethodA, | |
| 4705 jni_CallVoidMethod, | |
| 4706 jni_CallVoidMethodV, | |
| 4707 jni_CallVoidMethodA, | |
| 4708 | |
| 4709 jni_CallNonvirtualObjectMethod, | |
| 4710 jni_CallNonvirtualObjectMethodV, | |
| 4711 jni_CallNonvirtualObjectMethodA, | |
| 4712 jni_CallNonvirtualBooleanMethod, | |
| 4713 jni_CallNonvirtualBooleanMethodV, | |
| 4714 jni_CallNonvirtualBooleanMethodA, | |
| 4715 jni_CallNonvirtualByteMethod, | |
| 4716 jni_CallNonvirtualByteMethodV, | |
| 4717 jni_CallNonvirtualByteMethodA, | |
| 4718 jni_CallNonvirtualCharMethod, | |
| 4719 jni_CallNonvirtualCharMethodV, | |
| 4720 jni_CallNonvirtualCharMethodA, | |
| 4721 jni_CallNonvirtualShortMethod, | |
| 4722 jni_CallNonvirtualShortMethodV, | |
| 4723 jni_CallNonvirtualShortMethodA, | |
| 4724 jni_CallNonvirtualIntMethod, | |
| 4725 jni_CallNonvirtualIntMethodV, | |
| 4726 jni_CallNonvirtualIntMethodA, | |
| 4727 jni_CallNonvirtualLongMethod, | |
| 4728 jni_CallNonvirtualLongMethodV, | |
| 4729 jni_CallNonvirtualLongMethodA, | |
| 4730 jni_CallNonvirtualFloatMethod, | |
| 4731 jni_CallNonvirtualFloatMethodV, | |
| 4732 jni_CallNonvirtualFloatMethodA, | |
| 4733 jni_CallNonvirtualDoubleMethod, | |
| 4734 jni_CallNonvirtualDoubleMethodV, | |
| 4735 jni_CallNonvirtualDoubleMethodA, | |
| 4736 jni_CallNonvirtualVoidMethod, | |
| 4737 jni_CallNonvirtualVoidMethodV, | |
| 4738 jni_CallNonvirtualVoidMethodA, | |
| 4739 | |
| 4740 jni_GetFieldID, | |
| 4741 | |
| 4742 jni_GetObjectField, | |
| 4743 jni_GetBooleanField, | |
| 4744 jni_GetByteField, | |
| 4745 jni_GetCharField, | |
| 4746 jni_GetShortField, | |
| 4747 jni_GetIntField, | |
| 4748 jni_GetLongField, | |
| 4749 jni_GetFloatField, | |
| 4750 jni_GetDoubleField, | |
| 4751 | |
| 4752 jni_SetObjectField, | |
| 4753 jni_SetBooleanField, | |
| 4754 jni_SetByteField, | |
| 4755 jni_SetCharField, | |
| 4756 jni_SetShortField, | |
| 4757 jni_SetIntField, | |
| 4758 jni_SetLongField, | |
| 4759 jni_SetFloatField, | |
| 4760 jni_SetDoubleField, | |
| 4761 | |
| 4762 jni_GetStaticMethodID, | |
| 4763 | |
| 4764 jni_CallStaticObjectMethod, | |
| 4765 jni_CallStaticObjectMethodV, | |
| 4766 jni_CallStaticObjectMethodA, | |
| 4767 jni_CallStaticBooleanMethod, | |
| 4768 jni_CallStaticBooleanMethodV, | |
| 4769 jni_CallStaticBooleanMethodA, | |
| 4770 jni_CallStaticByteMethod, | |
| 4771 jni_CallStaticByteMethodV, | |
| 4772 jni_CallStaticByteMethodA, | |
| 4773 jni_CallStaticCharMethod, | |
| 4774 jni_CallStaticCharMethodV, | |
| 4775 jni_CallStaticCharMethodA, | |
| 4776 jni_CallStaticShortMethod, | |
| 4777 jni_CallStaticShortMethodV, | |
| 4778 jni_CallStaticShortMethodA, | |
| 4779 jni_CallStaticIntMethod, | |
| 4780 jni_CallStaticIntMethodV, | |
| 4781 jni_CallStaticIntMethodA, | |
| 4782 jni_CallStaticLongMethod, | |
| 4783 jni_CallStaticLongMethodV, | |
| 4784 jni_CallStaticLongMethodA, | |
| 4785 jni_CallStaticFloatMethod, | |
| 4786 jni_CallStaticFloatMethodV, | |
| 4787 jni_CallStaticFloatMethodA, | |
| 4788 jni_CallStaticDoubleMethod, | |
| 4789 jni_CallStaticDoubleMethodV, | |
| 4790 jni_CallStaticDoubleMethodA, | |
| 4791 jni_CallStaticVoidMethod, | |
| 4792 jni_CallStaticVoidMethodV, | |
| 4793 jni_CallStaticVoidMethodA, | |
| 4794 | |
| 4795 jni_GetStaticFieldID, | |
| 4796 | |
| 4797 jni_GetStaticObjectField, | |
| 4798 jni_GetStaticBooleanField, | |
| 4799 jni_GetStaticByteField, | |
| 4800 jni_GetStaticCharField, | |
| 4801 jni_GetStaticShortField, | |
| 4802 jni_GetStaticIntField, | |
| 4803 jni_GetStaticLongField, | |
| 4804 jni_GetStaticFloatField, | |
| 4805 jni_GetStaticDoubleField, | |
| 4806 | |
| 4807 jni_SetStaticObjectField, | |
| 4808 jni_SetStaticBooleanField, | |
| 4809 jni_SetStaticByteField, | |
| 4810 jni_SetStaticCharField, | |
| 4811 jni_SetStaticShortField, | |
| 4812 jni_SetStaticIntField, | |
| 4813 jni_SetStaticLongField, | |
| 4814 jni_SetStaticFloatField, | |
| 4815 jni_SetStaticDoubleField, | |
| 4816 | |
| 4817 jni_NewString, | |
| 4818 jni_GetStringLength, | |
| 4819 jni_GetStringChars, | |
| 4820 jni_ReleaseStringChars, | |
| 4821 | |
| 4822 jni_NewStringUTF, | |
| 4823 jni_GetStringUTFLength, | |
| 4824 jni_GetStringUTFChars, | |
| 4825 jni_ReleaseStringUTFChars, | |
| 4826 | |
| 4827 jni_GetArrayLength, | |
| 4828 | |
| 4829 jni_NewObjectArray, | |
| 4830 jni_GetObjectArrayElement, | |
| 4831 jni_SetObjectArrayElement, | |
| 4832 | |
| 4833 jni_NewBooleanArray, | |
| 4834 jni_NewByteArray, | |
| 4835 jni_NewCharArray, | |
| 4836 jni_NewShortArray, | |
| 4837 jni_NewIntArray, | |
| 4838 jni_NewLongArray, | |
| 4839 jni_NewFloatArray, | |
| 4840 jni_NewDoubleArray, | |
| 4841 | |
| 4842 jni_GetBooleanArrayElements, | |
| 4843 jni_GetByteArrayElements, | |
| 4844 jni_GetCharArrayElements, | |
| 4845 jni_GetShortArrayElements, | |
| 4846 jni_GetIntArrayElements, | |
| 4847 jni_GetLongArrayElements, | |
| 4848 jni_GetFloatArrayElements, | |
| 4849 jni_GetDoubleArrayElements, | |
| 4850 | |
| 4851 jni_ReleaseBooleanArrayElements, | |
| 4852 jni_ReleaseByteArrayElements, | |
| 4853 jni_ReleaseCharArrayElements, | |
| 4854 jni_ReleaseShortArrayElements, | |
| 4855 jni_ReleaseIntArrayElements, | |
| 4856 jni_ReleaseLongArrayElements, | |
| 4857 jni_ReleaseFloatArrayElements, | |
| 4858 jni_ReleaseDoubleArrayElements, | |
| 4859 | |
| 4860 jni_GetBooleanArrayRegion, | |
| 4861 jni_GetByteArrayRegion, | |
| 4862 jni_GetCharArrayRegion, | |
| 4863 jni_GetShortArrayRegion, | |
| 4864 jni_GetIntArrayRegion, | |
| 4865 jni_GetLongArrayRegion, | |
| 4866 jni_GetFloatArrayRegion, | |
| 4867 jni_GetDoubleArrayRegion, | |
| 4868 | |
| 4869 jni_SetBooleanArrayRegion, | |
| 4870 jni_SetByteArrayRegion, | |
| 4871 jni_SetCharArrayRegion, | |
| 4872 jni_SetShortArrayRegion, | |
| 4873 jni_SetIntArrayRegion, | |
| 4874 jni_SetLongArrayRegion, | |
| 4875 jni_SetFloatArrayRegion, | |
| 4876 jni_SetDoubleArrayRegion, | |
| 4877 | |
| 4878 jni_RegisterNatives, | |
| 4879 jni_UnregisterNatives, | |
| 4880 | |
| 4881 jni_MonitorEnter, | |
| 4882 jni_MonitorExit, | |
| 4883 | |
| 4884 jni_GetJavaVM, | |
| 4885 | |
| 4886 jni_GetStringRegion, | |
| 4887 jni_GetStringUTFRegion, | |
| 4888 | |
| 4889 jni_GetPrimitiveArrayCritical, | |
| 4890 jni_ReleasePrimitiveArrayCritical, | |
| 4891 | |
| 4892 jni_GetStringCritical, | |
| 4893 jni_ReleaseStringCritical, | |
| 4894 | |
| 4895 jni_NewWeakGlobalRef, | |
| 4896 jni_DeleteWeakGlobalRef, | |
| 4897 | |
| 4898 jni_ExceptionCheck, | |
| 4899 | |
| 4900 jni_NewDirectByteBuffer, | |
| 4901 jni_GetDirectBufferAddress, | |
| 4902 jni_GetDirectBufferCapacity, | |
| 4903 | |
| 4904 // New 1_6 features | |
| 4905 | |
| 4906 jni_GetObjectRefType | |
| 4907 }; | |
| 4908 | |
| 4909 | |
| 4910 // For jvmti use to modify jni function table. | |
| 4911 // Java threads in native contiues to run until it is transitioned | |
| 4912 // to VM at safepoint. Before the transition or before it is blocked | |
| 4913 // for safepoint it may access jni function table. VM could crash if | |
| 4914 // any java thread access the jni function table in the middle of memcpy. | |
| 4915 // To avoid this each function pointers are copied automically. | |
| 4916 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4917 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4918 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4919 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4920 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4921 Atomic::store_ptr(*b++, a++); | |
| 4922 } | |
| 4923 } | |
| 4924 | |
| 4925 void quicken_jni_functions() { | |
| 4926 // Replace Get<Primitive>Field with fast versions | |
| 4927 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4928 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4929 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4930 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4931 // versions currently isn't certain for server vm on uniprocessor. | |
| 4932 && os::is_MP() | |
| 4933 #endif | |
| 4934 ) { | |
| 4935 address func; | |
| 4936 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4937 if (func != (address)-1) { | |
| 4938 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4939 } | |
| 4940 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4941 if (func != (address)-1) { | |
| 4942 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4943 } | |
| 4944 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4945 if (func != (address)-1) { | |
| 4946 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4947 } | |
| 4948 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4949 if (func != (address)-1) { | |
| 4950 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4951 } | |
| 4952 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4953 if (func != (address)-1) { | |
| 4954 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4955 } | |
| 4956 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4957 if (func != (address)-1) { | |
| 4958 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4959 } | |
| 4960 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4961 if (func != (address)-1) { | |
| 4962 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4963 } | |
| 4964 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4965 if (func != (address)-1) { | |
| 4966 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4967 } | |
| 4968 } | |
| 4969 } | |
| 4970 | |
| 4971 // Returns the function structure | |
| 4972 struct JNINativeInterface_* jni_functions() { | |
| 4973 #ifndef JNICHECK_KERNEL | |
| 4974 if (CheckJNICalls) return jni_functions_check(); | |
| 4975 #else // JNICHECK_KERNEL | |
| 4976 if (CheckJNICalls) warning("-Xcheck:jni is not supported in kernel vm."); | |
| 4977 #endif // JNICHECK_KERNEL | |
| 4978 return &jni_NativeInterface; | |
| 4979 } | |
| 4980 | |
| 4981 // Returns the function structure | |
| 4982 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4983 return &jni_NativeInterface; | |
| 4984 } | |
| 4985 | |
| 4986 | |
| 4987 // Invocation API | |
| 4988 | |
| 4989 | |
| 4990 // Forward declaration | |
| 4991 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4992 | |
| 4993 // Global invocation API vars | |
| 4994 volatile jint vm_created = 0; | |
| 4995 // Indicate whether it is safe to recreate VM | |
| 4996 volatile jint safe_to_recreate_vm = 1; | |
| 4997 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 4998 | |
| 4999 | |
| 5000 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5001 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5002 | |
| 4006 | 5003 #ifndef USDT2 |
| 0 | 5004 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5005 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5006 #else /* USDT2 */ |
| 5007 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5008 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5009 #endif /* USDT2 */ | |
| 0 | 5010 |
| 5011 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5012 #ifndef USDT2 |
| 0 | 5013 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5014 #else /* USDT2 */ |
| 5015 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5016 args_); | |
| 5017 #endif /* USDT2 */ | |
| 0 | 5018 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5019 jint ret = JNI_ERR; | |
| 5020 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5021 | |
| 5022 if (Threads::is_supported_jni_version(args->version)) { | |
| 5023 ret = JNI_OK; | |
| 5024 } | |
| 5025 // 1.1 style no longer supported in hotspot. | |
| 5026 // According the JNI spec, we should update args->version on return. | |
| 5027 // We also use the structure to communicate with launcher about default | |
| 5028 // stack size. | |
| 5029 if (args->version == JNI_VERSION_1_1) { | |
| 5030 args->version = JNI_VERSION_1_2; | |
| 5031 // javaStackSize is int in arguments structure | |
| 5032 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5033 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5034 } | |
| 5035 return ret; | |
| 5036 } | |
| 5037 | |
| 3779 | 5038 #ifndef PRODUCT |
| 5039 | |
| 4708 | 5040 #include "gc_interface/collectedHeap.hpp" |
| 3779 | 5041 #include "utilities/quickSort.hpp" |
| 5042 | |
| 4708 | 5043 #define run_unit_test(unit_test_function_call) \ |
| 5044 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5045 unit_test_function_call | |
| 5046 | |
| 3779 | 5047 void execute_internal_vm_tests() { |
| 5048 if (ExecuteInternalVMTests) { | |
| 4708 | 5049 tty->print_cr("Running internal VM tests"); |
| 5050 run_unit_test(arrayOopDesc::test_max_array_length()); | |
| 5051 run_unit_test(CollectedHeap::test_is_in()); | |
| 5052 run_unit_test(QuickSort::test_quick_sort()); | |
|
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4006
diff
changeset
|
5053 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5054 } |
| 5055 } | |
| 5056 | |
| 4708 | 5057 #undef run_unit_test |
| 5058 | |
| 3779 | 5059 #endif |
| 5060 | |
| 4006 | 5061 #ifndef USDT2 |
| 0 | 5062 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5063 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5064 #else /* USDT2 */ |
| 5065 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5066 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5067 #endif /* USDT2 */ | |
| 0 | 5068 |
| 5069 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5070 #ifndef USDT2 |
| 0 | 5071 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5072 #else /* USDT2 */ |
| 5073 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5074 (void **) vm, penv, args); | |
| 5075 #endif /* USDT2 */ | |
| 0 | 5076 |
| 5077 jint result = JNI_ERR; | |
| 5078 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5079 | |
| 1078 | 5080 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5081 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5082 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5083 // on all architectures. So we check it works before relying on it. | |
| 5084 #if defined(ZERO) && defined(ASSERT) | |
| 5085 { | |
| 5086 jint a = 0xcafebabe; | |
| 5087 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5088 void *c = &a; | |
| 5089 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5090 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5091 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5092 } | |
| 5093 #endif // ZERO && ASSERT | |
| 5094 | |
| 0 | 5095 // At the moment it's only possible to have one Java VM, |
| 5096 // since some of the runtime state is in global variables. | |
| 5097 | |
| 5098 // We cannot use our mutex locks here, since they only work on | |
| 5099 // Threads. We do an atomic compare and exchange to ensure only | |
| 5100 // one thread can call this method at a time | |
| 5101 | |
| 5102 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5103 // the add/dec implementations are dependent on whether we are running | |
| 5104 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5105 // function used to determine this will always return false. Atomic::xchg | |
| 5106 // does not have this problem. | |
| 5107 if (Atomic::xchg(1, &vm_created) == 1) { | |
| 5108 return JNI_ERR; // already created, or create attempt in progress | |
| 5109 } | |
| 5110 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5111 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5112 } | |
| 5113 | |
| 5114 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5115 | |
| 5116 /** | |
| 5117 * Certain errors during initialization are recoverable and do not | |
| 5118 * prevent this method from being called again at a later time | |
| 5119 * (perhaps with different arguments). However, at a certain | |
| 5120 * point during initialization if an error occurs we cannot allow | |
| 5121 * this function to be called again (or it will crash). In those | |
| 5122 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5123 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5124 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5125 */ | |
| 5126 bool can_try_again = true; | |
| 5127 | |
| 5128 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5129 if (result == JNI_OK) { | |
| 5130 JavaThread *thread = JavaThread::current(); | |
| 5131 /* thread is thread_in_vm here */ | |
| 5132 *vm = (JavaVM *)(&main_vm); | |
| 5133 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5134 | |
| 5135 // Tracks the time application was running before GC | |
| 5136 RuntimeService::record_application_start(); | |
| 5137 | |
| 5138 // Notify JVMTI | |
| 5139 if (JvmtiExport::should_post_thread_life()) { | |
| 5140 JvmtiExport::post_thread_start(thread); | |
| 5141 } | |
| 5142 // Check if we should compile all classes on bootclasspath | |
| 5143 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
| 5144 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. | |
| 5145 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5146 } else { | |
| 5147 if (can_try_again) { | |
| 5148 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5149 safe_to_recreate_vm = 1; | |
| 5150 } | |
| 5151 | |
| 5152 // Creation failed. We must reset vm_created | |
| 5153 *vm = 0; | |
| 5154 *(JNIEnv**)penv = 0; | |
| 5155 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5156 // control both compiler and architectural-based reordering. | |
| 5157 OrderAccess::release_store(&vm_created, 0); | |
| 5158 } | |
| 5159 | |
|
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1290
diff
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|
5160 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
| 3779 | 5161 NOT_PRODUCT(execute_internal_vm_tests()); |
| 0 | 5162 return result; |
| 5163 } | |
| 5164 | |
| 4006 | 5165 #ifndef USDT2 |
| 0 | 5166 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5167 JavaVM**, jsize, jsize*); | |
| 5168 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5169 #endif /* !USDT2 */ |
| 0 | 5170 |
| 5171 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5172 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5173 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5174 #ifndef USDT2 |
| 0 | 5175 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5176 vm_buf, bufLen, numVMs); | |
| 4006 | 5177 #else /* USDT2 */ |
| 5178 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5179 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5180 #endif /* USDT2 */ | |
| 0 | 5181 if (vm_created) { |
| 5182 if (numVMs != NULL) *numVMs = 1; | |
| 5183 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5184 } else { | |
| 5185 if (numVMs != NULL) *numVMs = 0; | |
| 5186 } | |
| 4006 | 5187 #ifndef USDT2 |
| 0 | 5188 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5189 #else /* USDT2 */ |
| 5190 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5191 JNI_OK); | |
| 5192 #endif /* USDT2 */ | |
| 0 | 5193 return JNI_OK; |
| 5194 } | |
| 5195 | |
| 5196 extern "C" { | |
| 5197 | |
| 4006 | 5198 #ifndef USDT2 |
| 0 | 5199 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5200 #else /* USDT2 */ |
| 5201 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5202 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5203 #endif /* USDT2 */ | |
| 0 | 5204 |
| 5205 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5206 #ifndef USDT2 |
| 0 | 5207 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5208 #else /* USDT2 */ |
| 5209 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5210 vm); | |
| 5211 #endif /* USDT2 */ | |
| 0 | 5212 jint res = JNI_ERR; |
| 5213 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5214 | |
| 5215 if (!vm_created) { | |
| 5216 res = JNI_ERR; | |
| 5217 return res; | |
| 5218 } | |
| 5219 | |
| 5220 JNIWrapper("DestroyJavaVM"); | |
| 5221 JNIEnv *env; | |
| 5222 JavaVMAttachArgs destroyargs; | |
| 5223 destroyargs.version = CurrentVersion; | |
| 5224 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5225 destroyargs.group = NULL; | |
| 5226 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5227 if (res != JNI_OK) { | |
| 5228 return res; | |
| 5229 } | |
| 5230 | |
| 5231 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5232 JavaThread* thread = JavaThread::current(); | |
| 5233 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5234 if (Threads::destroy_vm()) { | |
| 5235 // Should not change thread state, VM is gone | |
| 5236 vm_created = false; | |
| 5237 res = JNI_OK; | |
| 5238 return res; | |
| 5239 } else { | |
| 5240 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5241 res = JNI_ERR; | |
| 5242 return res; | |
| 5243 } | |
| 5244 } | |
| 5245 | |
| 5246 | |
| 5247 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5248 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5249 | |
| 5250 // Check below commented out from JDK1.2fcs as well | |
| 5251 /* | |
| 5252 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5253 return JNI_EVERSION; | |
| 5254 } | |
| 5255 */ | |
| 5256 | |
| 5257 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5258 if (t != NULL) { | |
| 5259 // If the thread has been attached this operation is a no-op | |
| 5260 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5261 return JNI_OK; | |
| 5262 } | |
| 5263 | |
| 5264 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5265 // ThreadsListEnumerator - see CR 6404306 | |
| 5266 JavaThread* thread = new JavaThread(true); | |
| 5267 | |
| 5268 // Set correct safepoint info. The thread is going to call into Java when | |
| 5269 // initializing the Java level thread object. Hence, the correct state must | |
| 5270 // be set in order for the Safepoint code to deal with it correctly. | |
| 5271 thread->set_thread_state(_thread_in_vm); | |
| 5272 // Must do this before initialize_thread_local_storage | |
| 5273 thread->record_stack_base_and_size(); | |
|
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|
5274 |
| 0 | 5275 thread->initialize_thread_local_storage(); |
| 5276 | |
| 5277 if (!os::create_attached_thread(thread)) { | |
| 5278 delete thread; | |
| 5279 return JNI_ERR; | |
| 5280 } | |
|
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|
5281 // Enable stack overflow checks |
|
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|
5282 thread->create_stack_guard_pages(); |
|
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|
5283 |
| 0 | 5284 thread->initialize_tlab(); |
| 5285 | |
|
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|
5286 thread->cache_global_variables(); |
|
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|
5287 |
| 0 | 5288 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5289 // not been added to the Thread list yet. | |
| 5290 { Threads_lock->lock_without_safepoint_check(); | |
| 5291 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5292 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5293 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5294 Threads::add(thread, daemon); | |
| 5295 Threads_lock->unlock(); | |
| 5296 } | |
| 5297 // Create thread group and name info from attach arguments | |
| 5298 oop group = NULL; | |
| 5299 char* thread_name = NULL; | |
| 5300 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5301 group = JNIHandles::resolve(args->group); | |
| 5302 thread_name = args->name; // may be NULL | |
| 5303 } | |
| 5304 if (group == NULL) group = Universe::main_thread_group(); | |
| 5305 | |
| 5306 // Create Java level thread object and attach it to this thread | |
| 5307 bool attach_failed = false; | |
| 5308 { | |
| 5309 EXCEPTION_MARK; | |
| 5310 HandleMark hm(THREAD); | |
| 5311 Handle thread_group(THREAD, group); | |
| 5312 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5313 if (HAS_PENDING_EXCEPTION) { | |
| 5314 CLEAR_PENDING_EXCEPTION; | |
| 5315 // cleanup outside the handle mark. | |
| 5316 attach_failed = true; | |
| 5317 } | |
| 5318 } | |
| 5319 | |
| 5320 if (attach_failed) { | |
| 5321 // Added missing cleanup | |
| 5322 thread->cleanup_failed_attach_current_thread(); | |
| 5323 return JNI_ERR; | |
| 5324 } | |
| 5325 | |
| 5326 // mark the thread as no longer attaching | |
| 5327 // this uses a fence to push the change through so we don't have | |
| 5328 // to regrab the threads_lock | |
| 4006 | 5329 thread->set_done_attaching_via_jni(); |
| 0 | 5330 |
| 5331 // Set java thread status. | |
| 5332 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5333 java_lang_Thread::RUNNABLE); | |
| 5334 | |
| 5335 // Notify the debugger | |
| 5336 if (JvmtiExport::should_post_thread_life()) { | |
| 5337 JvmtiExport::post_thread_start(thread); | |
| 5338 } | |
| 5339 | |
| 5340 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5341 | |
| 5342 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5343 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5344 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5345 // needed. | |
| 5346 | |
| 5347 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5348 | |
| 5349 // Perform any platform dependent FPU setup | |
| 5350 os::setup_fpu(); | |
| 5351 | |
| 5352 return JNI_OK; | |
| 5353 } | |
| 5354 | |
| 5355 | |
| 5356 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5357 #ifndef USDT2 |
| 0 | 5358 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5359 #else /* USDT2 */ |
| 5360 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5361 vm, penv, _args); | |
| 5362 #endif /* USDT2 */ | |
| 0 | 5363 if (!vm_created) { |
| 4006 | 5364 #ifndef USDT2 |
| 0 | 5365 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5366 #else /* USDT2 */ |
| 5367 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5368 (uint32_t) JNI_ERR); | |
| 5369 #endif /* USDT2 */ | |
| 0 | 5370 return JNI_ERR; |
| 5371 } | |
| 5372 | |
| 5373 JNIWrapper("AttachCurrentThread"); | |
| 5374 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5375 #ifndef USDT2 |
| 0 | 5376 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5377 #else /* USDT2 */ |
| 5378 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5379 ret); | |
| 5380 #endif /* USDT2 */ | |
| 0 | 5381 return ret; |
| 5382 } | |
| 5383 | |
| 5384 | |
| 5385 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5386 #ifndef USDT2 |
| 0 | 5387 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5388 #else /* USDT2 */ |
| 5389 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5390 vm); | |
| 5391 #endif /* USDT2 */ | |
| 0 | 5392 VM_Exit::block_if_vm_exited(); |
| 5393 | |
| 5394 JNIWrapper("DetachCurrentThread"); | |
| 5395 | |
| 5396 // If the thread has been deattacted the operations is a no-op | |
| 5397 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5398 #ifndef USDT2 |
| 0 | 5399 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5400 #else /* USDT2 */ |
| 5401 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5402 JNI_OK); | |
| 5403 #endif /* USDT2 */ | |
| 0 | 5404 return JNI_OK; |
| 5405 } | |
| 5406 | |
| 5407 JavaThread* thread = JavaThread::current(); | |
| 5408 if (thread->has_last_Java_frame()) { | |
| 4006 | 5409 #ifndef USDT2 |
| 0 | 5410 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5411 #else /* USDT2 */ |
| 5412 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5413 (uint32_t) JNI_ERR); | |
| 5414 #endif /* USDT2 */ | |
| 0 | 5415 // Can't detach a thread that's running java, that can't work. |
| 5416 return JNI_ERR; | |
| 5417 } | |
| 5418 | |
| 5419 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5420 // middel of a safepoint operation | |
| 5421 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5422 | |
| 5423 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5424 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5425 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5426 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5427 // the removal of the guards is buried below in JavaThread::exit() | |
| 5428 // here. The abstraction should be more symmetrically either exposed | |
| 5429 // or hidden (e.g. it could probably be hidden in the same | |
| 5430 // (platform-dependent) methods where we do alternate stack | |
| 5431 // maintenance work?) | |
| 5432 thread->exit(false, JavaThread::jni_detach); | |
| 5433 delete thread; | |
| 5434 | |
| 4006 | 5435 #ifndef USDT2 |
| 0 | 5436 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5437 #else /* USDT2 */ |
| 5438 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5439 JNI_OK); | |
| 5440 #endif /* USDT2 */ | |
| 0 | 5441 return JNI_OK; |
| 5442 } | |
| 5443 | |
| 4006 | 5444 #ifndef USDT2 |
| 0 | 5445 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5446 #else /* USDT2 */ |
| 5447 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5448 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5449 #endif /* USDT2 */ | |
| 0 | 5450 |
| 5451 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5452 #ifndef USDT2 |
| 0 | 5453 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5454 #else /* USDT2 */ |
| 5455 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5456 vm, penv, version); | |
| 5457 #endif /* USDT2 */ | |
| 0 | 5458 jint ret = JNI_ERR; |
| 5459 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5460 | |
| 5461 if (!vm_created) { | |
| 5462 *penv = NULL; | |
| 5463 ret = JNI_EDETACHED; | |
| 5464 return ret; | |
| 5465 } | |
| 5466 | |
| 5467 if (JvmtiExport::is_jvmti_version(version)) { | |
| 5468 ret = JvmtiExport::get_jvmti_interface(vm, penv, version); | |
| 5469 return ret; | |
| 5470 } | |
| 5471 | |
| 5472 #ifndef JVMPI_VERSION_1 | |
| 5473 // need these in order to be polite about older agents | |
| 5474 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5475 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5476 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5477 #endif // !JVMPI_VERSION_1 | |
| 5478 | |
| 5479 Thread* thread = ThreadLocalStorage::thread(); | |
| 5480 if (thread != NULL && thread->is_Java_thread()) { | |
| 5481 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5482 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5483 ret = JNI_OK; | |
| 5484 return ret; | |
| 5485 | |
| 5486 } else if (version == JVMPI_VERSION_1 || | |
| 5487 version == JVMPI_VERSION_1_1 || | |
| 5488 version == JVMPI_VERSION_1_2) { | |
| 5489 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5490 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5491 ret = JNI_EVERSION; | |
| 5492 return ret; | |
| 5493 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5494 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5495 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5496 ret = JNI_EVERSION; | |
| 5497 return ret; | |
| 5498 } else { | |
| 5499 *penv = NULL; | |
| 5500 ret = JNI_EVERSION; | |
| 5501 return ret; | |
| 5502 } | |
| 5503 } else { | |
| 5504 *penv = NULL; | |
| 5505 ret = JNI_EDETACHED; | |
| 5506 return ret; | |
| 5507 } | |
| 5508 } | |
| 5509 | |
| 5510 | |
| 5511 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5512 #ifndef USDT2 |
| 0 | 5513 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5514 #else /* USDT2 */ |
| 5515 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5516 vm, penv, _args); | |
| 5517 #endif /* USDT2 */ | |
| 0 | 5518 if (!vm_created) { |
| 4006 | 5519 #ifndef USDT2 |
| 0 | 5520 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5521 #else /* USDT2 */ |
| 5522 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5523 (uint32_t) JNI_ERR); | |
| 5524 #endif /* USDT2 */ | |
| 0 | 5525 return JNI_ERR; |
| 5526 } | |
| 5527 | |
| 5528 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5529 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5530 #ifndef USDT2 |
| 0 | 5531 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5532 #else /* USDT2 */ |
| 5533 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5534 ret); | |
| 5535 #endif /* USDT2 */ | |
| 0 | 5536 return ret; |
| 5537 } | |
| 5538 | |
| 5539 | |
| 5540 } // End extern "C" | |
| 5541 | |
| 5542 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5543 NULL, | |
| 5544 NULL, | |
| 5545 NULL, | |
| 5546 | |
| 5547 jni_DestroyJavaVM, | |
| 5548 jni_AttachCurrentThread, | |
| 5549 jni_DetachCurrentThread, | |
| 5550 jni_GetEnv, | |
| 5551 jni_AttachCurrentThreadAsDaemon | |
| 5552 }; |