Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 4137:04b9a2566eec
Merge with hsx23/hotspot.
| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Sat, 17 Dec 2011 21:40:27 +0100 |
| parents | 0e8a2a629afb 6fd81579526f |
| children | d8d6b3de346b |
| 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 #include "graal/graalCompiler.hpp" |
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33 #ifndef SERIALGC |
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34 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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35 #endif // SERIALGC |
| 1972 | 36 #include "memory/allocation.inline.hpp" |
| 37 #include "memory/gcLocker.inline.hpp" | |
| 38 #include "memory/oopFactory.hpp" | |
| 39 #include "memory/universe.inline.hpp" | |
| 40 #include "oops/instanceKlass.hpp" | |
| 41 #include "oops/instanceOop.hpp" | |
| 42 #include "oops/markOop.hpp" | |
| 43 #include "oops/methodOop.hpp" | |
| 44 #include "oops/objArrayKlass.hpp" | |
| 45 #include "oops/objArrayOop.hpp" | |
| 46 #include "oops/oop.inline.hpp" | |
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47 #include "oops/symbol.hpp" |
| 1972 | 48 #include "oops/typeArrayKlass.hpp" |
| 49 #include "oops/typeArrayOop.hpp" | |
| 50 #include "prims/jni.h" | |
| 51 #include "prims/jniCheck.hpp" | |
| 52 #include "prims/jniFastGetField.hpp" | |
| 53 #include "prims/jvm.h" | |
| 54 #include "prims/jvm_misc.hpp" | |
| 55 #include "prims/jvmtiExport.hpp" | |
| 56 #include "prims/jvmtiThreadState.hpp" | |
| 57 #include "runtime/compilationPolicy.hpp" | |
| 58 #include "runtime/fieldDescriptor.hpp" | |
| 59 #include "runtime/fprofiler.hpp" | |
| 60 #include "runtime/handles.inline.hpp" | |
| 61 #include "runtime/interfaceSupport.hpp" | |
| 62 #include "runtime/java.hpp" | |
| 63 #include "runtime/javaCalls.hpp" | |
| 64 #include "runtime/jfieldIDWorkaround.hpp" | |
| 65 #include "runtime/reflection.hpp" | |
| 66 #include "runtime/sharedRuntime.hpp" | |
| 67 #include "runtime/signature.hpp" | |
| 68 #include "runtime/vm_operations.hpp" | |
| 69 #include "services/runtimeService.hpp" | |
| 70 #include "utilities/defaultStream.hpp" | |
| 71 #include "utilities/dtrace.hpp" | |
| 72 #include "utilities/events.hpp" | |
| 73 #include "utilities/histogram.hpp" | |
| 74 #ifdef TARGET_OS_FAMILY_linux | |
| 75 # include "os_linux.inline.hpp" | |
| 76 # include "thread_linux.inline.hpp" | |
| 77 #endif | |
| 78 #ifdef TARGET_OS_FAMILY_solaris | |
| 79 # include "os_solaris.inline.hpp" | |
| 80 # include "thread_solaris.inline.hpp" | |
| 81 #endif | |
| 82 #ifdef TARGET_OS_FAMILY_windows | |
| 83 # include "os_windows.inline.hpp" | |
| 84 # include "thread_windows.inline.hpp" | |
| 85 #endif | |
| 3960 | 86 #ifdef TARGET_OS_FAMILY_bsd |
| 87 # include "os_bsd.inline.hpp" | |
| 88 # include "thread_bsd.inline.hpp" | |
| 89 #endif | |
| 0 | 90 |
| 91 static jint CurrentVersion = JNI_VERSION_1_6; | |
| 92 | |
| 93 | |
| 94 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 95 // '-return' probe regardless of the return path is taken out of the function. | |
| 96 // Methods that have multiple return paths use this to avoid having to | |
| 97 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 98 // since those macros can cause an immedate uninstrumented return. | |
| 99 // | |
| 100 // In order to get the return value, a reference to the variable containing | |
| 101 // the return value must be passed to the contructor of the object, and | |
| 102 // the return value must be set before return (since the mark object has | |
| 103 // a reference to it). | |
| 104 // | |
| 105 // Example: | |
| 106 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 107 // JNI_ENTRY(int, SomeFunc, ...) | |
| 108 // int return_value = 0; | |
| 109 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 110 // foo(CHECK_0) | |
| 111 // return_value = 5; | |
| 112 // return return_value; | |
| 113 // JNI_END | |
| 4006 | 114 #ifndef USDT2 |
| 0 | 115 #define DT_RETURN_MARK_DECL(name, type) \ |
| 116 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 117 DTRACE_ONLY( \ | |
| 118 class DTraceReturnProbeMark_##name { \ | |
| 119 public: \ | |
| 120 const type& _ret_ref; \ | |
| 121 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 122 ~DTraceReturnProbeMark_##name() { \ | |
| 123 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 124 } \ | |
| 125 } \ | |
| 126 ) | |
| 127 // Void functions are simpler since there's no return value | |
| 128 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 129 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 130 DTRACE_ONLY( \ | |
| 131 class DTraceReturnProbeMark_##name { \ | |
| 132 public: \ | |
| 133 ~DTraceReturnProbeMark_##name() { \ | |
| 134 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 135 } \ | |
| 136 } \ | |
| 137 ) | |
| 138 | |
| 4006 | 139 #else /* USDT2 */ |
| 140 | |
| 141 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 142 DTRACE_ONLY( \ | |
| 143 class DTraceReturnProbeMark_##name { \ | |
| 144 public: \ | |
| 145 const type& _ret_ref; \ | |
| 146 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 147 ~DTraceReturnProbeMark_##name() { \ | |
| 148 probe; \ | |
| 149 } \ | |
| 150 } \ | |
| 151 ) | |
| 152 // Void functions are simpler since there's no return value | |
| 153 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 154 DTRACE_ONLY( \ | |
| 155 class DTraceReturnProbeMark_##name { \ | |
| 156 public: \ | |
| 157 ~DTraceReturnProbeMark_##name() { \ | |
| 158 probe; \ | |
| 159 } \ | |
| 160 } \ | |
| 161 ) | |
| 162 #endif /* USDT2 */ | |
| 0 | 163 |
| 164 // Place these macros in the function to mark the return. Non-void | |
| 165 // functions need the type and address of the return value. | |
| 166 #define DT_RETURN_MARK(name, type, ref) \ | |
| 167 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 168 #define DT_VOID_RETURN_MARK(name) \ | |
| 169 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 170 | |
| 171 | |
| 172 // Use these to select distinct code for floating-point vs. non-floating point | |
| 173 // situations. Used from within common macros where we need slightly | |
| 174 // different behavior for Float/Double | |
| 175 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 176 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 177 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 178 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 179 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 180 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 181 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 182 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 183 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 184 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 185 FP_SELECT_##TypeName(intcode, fpcode) | |
| 186 | |
| 187 #define COMMA , | |
| 188 | |
| 189 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 190 // (dtrace doesn't do FP yet) | |
| 4006 | 191 #ifndef USDT2 |
| 0 | 192 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 193 FP_SELECT(TypeName, \ | |
| 194 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 195 #else /* USDT2 */ |
| 196 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 197 FP_SELECT(TypeName, \ | |
| 198 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 199 #endif /* USDT2 */ | |
| 0 | 200 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 201 FP_SELECT(TypeName, \ | |
| 202 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 203 | |
| 204 | |
| 205 // out-of-line helpers for class jfieldIDWorkaround: | |
| 206 | |
| 207 bool jfieldIDWorkaround::is_valid_jfieldID(klassOop k, jfieldID id) { | |
| 208 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { | |
| 209 uintptr_t as_uint = (uintptr_t) id; | |
| 210 intptr_t offset = raw_instance_offset(id); | |
| 211 if (is_checked_jfieldID(id)) { | |
| 212 if (!klass_hash_ok(k, id)) { | |
| 213 return false; | |
| 214 } | |
| 215 } | |
| 216 return instanceKlass::cast(k)->contains_field_offset(offset); | |
| 217 } else { | |
| 218 JNIid* result = (JNIid*) id; | |
| 219 #ifdef ASSERT | |
| 220 return result != NULL && result->is_static_field_id(); | |
| 221 #else | |
| 222 return result != NULL; | |
| 223 #endif | |
| 224 } | |
| 225 } | |
| 226 | |
| 227 | |
| 228 intptr_t jfieldIDWorkaround::encode_klass_hash(klassOop k, intptr_t offset) { | |
| 229 if (offset <= small_offset_mask) { | |
| 230 klassOop field_klass = k; | |
| 231 klassOop super_klass = Klass::cast(field_klass)->super(); | |
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232 // With compressed oops the most super class with nonstatic fields would |
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233 // be the owner of fields embedded in the header. |
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234 while (instanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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235 instanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 236 field_klass = super_klass; // super contains the field also |
| 237 super_klass = Klass::cast(field_klass)->super(); | |
| 238 } | |
| 239 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 240 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 241 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 242 } else { | |
| 243 #if 0 | |
| 244 #ifndef PRODUCT | |
| 245 { | |
| 246 ResourceMark rm; | |
| 247 warning("VerifyJNIFields: long offset %d in %s", offset, Klass::cast(k)->external_name()); | |
| 248 } | |
| 249 #endif | |
| 250 #endif | |
| 251 return 0; | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 bool jfieldIDWorkaround::klass_hash_ok(klassOop k, jfieldID id) { | |
| 256 uintptr_t as_uint = (uintptr_t) id; | |
| 257 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 258 do { | |
| 259 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 260 // Could use a non-blocking query for identity_hash here... | |
| 261 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 262 return true; | |
| 263 k = Klass::cast(k)->super(); | |
| 264 } while (k != NULL); | |
| 265 return false; | |
| 266 } | |
| 267 | |
| 268 void jfieldIDWorkaround::verify_instance_jfieldID(klassOop k, jfieldID id) { | |
| 269 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); | |
| 270 uintptr_t as_uint = (uintptr_t) id; | |
| 271 intptr_t offset = raw_instance_offset(id); | |
| 272 if (VerifyJNIFields) { | |
| 273 if (is_checked_jfieldID(id)) { | |
| 274 guarantee(klass_hash_ok(k, id), | |
| 275 "Bug in native code: jfieldID class must match object"); | |
| 276 } else { | |
| 277 #if 0 | |
| 278 #ifndef PRODUCT | |
| 279 if (Verbose) { | |
| 280 ResourceMark rm; | |
| 281 warning("VerifyJNIFields: unverified offset %d for %s", offset, Klass::cast(k)->external_name()); | |
| 282 } | |
| 283 #endif | |
| 284 #endif | |
| 285 } | |
| 286 } | |
| 287 guarantee(instanceKlass::cast(k)->contains_field_offset(offset), | |
| 288 "Bug in native code: jfieldID offset must address interior of object"); | |
| 289 } | |
| 290 | |
| 291 // Pick a reasonable higher bound for local capacity requested | |
| 292 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 293 // high because a test (or very unusual application) may try to allocate | |
| 294 // that many handles and run out of swap space. An implementation is | |
| 295 // permitted to allocate more handles than the ensured capacity, so this | |
| 296 // value is set high enough to prevent compatibility problems. | |
| 297 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 298 | |
| 299 | |
| 300 // Wrapper to trace JNI functions | |
| 301 | |
| 302 #ifdef ASSERT | |
| 303 Histogram* JNIHistogram; | |
| 304 static volatile jint JNIHistogram_lock = 0; | |
| 305 | |
| 306 class JNITraceWrapper : public StackObj { | |
| 307 public: | |
| 308 JNITraceWrapper(const char* format, ...) { | |
| 309 if (TraceJNICalls) { | |
| 310 va_list ap; | |
| 311 va_start(ap, format); | |
| 312 tty->print("JNI "); | |
| 313 tty->vprint_cr(format, ap); | |
| 314 va_end(ap); | |
| 315 } | |
| 316 } | |
| 317 }; | |
| 318 | |
| 319 class JNIHistogramElement : public HistogramElement { | |
| 320 public: | |
| 321 JNIHistogramElement(const char* name); | |
| 322 }; | |
| 323 | |
| 324 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 325 _name = elementName; | |
| 326 uintx count = 0; | |
| 327 | |
| 328 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 329 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 330 count +=1; | |
| 331 if ( (WarnOnStalledSpinLock > 0) | |
| 332 && (count % WarnOnStalledSpinLock == 0)) { | |
| 333 warning("JNIHistogram_lock seems to be stalled"); | |
| 334 } | |
| 335 } | |
| 336 } | |
| 337 | |
| 338 | |
| 339 if(JNIHistogram == NULL) | |
| 340 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 341 | |
| 342 JNIHistogram->add_element(this); | |
| 343 Atomic::dec(&JNIHistogram_lock); | |
| 344 } | |
| 345 | |
| 346 #define JNICountWrapper(arg) \ | |
| 347 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 348 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 349 if (e != NULL) e->increment_count() | |
| 350 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 351 #else | |
| 352 #define JNIWrapper(arg) | |
| 353 #endif | |
| 354 | |
| 355 | |
| 356 // Implementation of JNI entries | |
| 357 | |
| 4006 | 358 #ifndef USDT2 |
| 0 | 359 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 360 #else /* USDT2 */ |
| 361 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 362 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 363 #endif /* USDT2 */ | |
| 0 | 364 |
| 365 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 366 const jbyte *buf, jsize bufLen)) | |
| 367 JNIWrapper("DefineClass"); | |
| 368 | |
| 4006 | 369 #ifndef USDT2 |
| 0 | 370 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 371 env, name, loaderRef, buf, bufLen); | |
| 4006 | 372 #else /* USDT2 */ |
| 373 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 374 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 375 #endif /* USDT2 */ | |
| 0 | 376 jclass cls = NULL; |
| 377 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 378 | |
| 379 // Since exceptions can be thrown, class initialization can take place | |
| 380 // if name is NULL no check for class name in .class stream has to be made. | |
| 381 if (name != NULL) { | |
| 382 const int str_len = (int)strlen(name); | |
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383 if (str_len > Symbol::max_length()) { |
| 0 | 384 // It's impossible to create this class; the name cannot fit |
| 385 // into the constant pool. | |
| 386 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 387 } | |
| 388 } | |
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389 TempNewSymbol class_name = SymbolTable::new_symbol(name, THREAD); |
| 0 | 390 |
| 391 ResourceMark rm(THREAD); | |
| 392 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 393 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 394 | |
| 395 if (UsePerfData && !class_loader.is_null()) { | |
| 396 // check whether the current caller thread holds the lock or not. | |
| 397 // If not, increment the corresponding counter | |
| 398 if (ObjectSynchronizer:: | |
| 399 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 400 ObjectSynchronizer::owner_self) { | |
| 401 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 402 } | |
| 403 } | |
| 404 klassOop k = SystemDictionary::resolve_from_stream(class_name, class_loader, | |
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405 Handle(), &st, true, |
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406 CHECK_NULL); |
| 0 | 407 |
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408 if (TraceClassResolution && k != NULL) { |
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409 trace_class_resolution(k); |
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410 } |
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411 |
| 0 | 412 cls = (jclass)JNIHandles::make_local( |
| 413 env, Klass::cast(k)->java_mirror()); | |
| 414 return cls; | |
| 415 JNI_END | |
| 416 | |
| 417 | |
| 418 | |
| 419 static bool first_time_FindClass = true; | |
| 420 | |
| 4006 | 421 #ifndef USDT2 |
| 0 | 422 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 423 #else /* USDT2 */ |
| 424 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 425 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 426 #endif /* USDT2 */ | |
| 0 | 427 |
| 428 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 429 JNIWrapper("FindClass"); | |
| 4006 | 430 #ifndef USDT2 |
| 0 | 431 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 432 #else /* USDT2 */ |
| 433 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 434 env, (char *)name); | |
| 435 #endif /* USDT2 */ | |
| 0 | 436 |
| 437 jclass result = NULL; | |
| 438 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 439 | |
| 440 // Remember if we are the first invocation of jni_FindClass | |
| 441 bool first_time = first_time_FindClass; | |
| 442 first_time_FindClass = false; | |
| 443 | |
| 444 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 445 // name we can fit in the constant pool. | |
|
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446 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 447 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 448 } | |
| 449 | |
| 450 //%note jni_3 | |
| 451 Handle loader; | |
| 452 Handle protection_domain; | |
| 453 // Find calling class | |
| 454 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 455 if (k.not_null()) { | |
| 456 loader = Handle(THREAD, k->class_loader()); | |
| 457 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 458 // in the correct class context. | |
| 459 if (loader.is_null() && | |
| 460 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 461 JavaValue result(T_OBJECT); | |
| 462 JavaCalls::call_static(&result, k, | |
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463 vmSymbols::getFromClass_name(), |
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464 vmSymbols::void_class_signature(), |
| 0 | 465 thread); |
| 466 if (HAS_PENDING_EXCEPTION) { | |
| 467 Handle ex(thread, thread->pending_exception()); | |
| 468 CLEAR_PENDING_EXCEPTION; | |
| 469 THROW_HANDLE_0(ex); | |
| 470 } | |
| 471 oop mirror = (oop) result.get_jobject(); | |
| 472 loader = Handle(THREAD, | |
| 473 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->class_loader()); | |
| 474 protection_domain = Handle(THREAD, | |
| 475 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->protection_domain()); | |
| 476 } | |
| 477 } else { | |
| 478 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 479 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 480 } | |
| 481 | |
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482 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 483 result = find_class_from_class_loader(env, sym, true, loader, |
| 484 protection_domain, true, thread); | |
| 485 | |
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486 if (TraceClassResolution && result != NULL) { |
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487 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
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488 } |
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489 |
| 0 | 490 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 491 // rather than just allowing invocation counter to overflow and decay. | |
| 492 // Controlled by flag DelayCompilationDuringStartup. | |
| 493 if (first_time && !CompileTheWorld) | |
| 494 CompilationPolicy::completed_vm_startup(); | |
| 495 | |
| 496 return result; | |
| 497 JNI_END | |
| 498 | |
| 4006 | 499 #ifndef USDT2 |
| 0 | 500 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 501 #else /* USDT2 */ |
| 502 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 503 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 504 #endif /* USDT2 */ | |
| 0 | 505 |
| 506 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 507 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 508 #ifndef USDT2 |
| 0 | 509 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 510 #else /* USDT2 */ |
| 511 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 512 env, method); | |
| 513 #endif /* USDT2 */ | |
| 0 | 514 jmethodID ret = NULL; |
| 515 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 516 | |
| 517 // method is a handle to a java.lang.reflect.Method object | |
| 518 oop reflected = JNIHandles::resolve_non_null(method); | |
| 519 oop mirror = NULL; | |
| 520 int slot = 0; | |
| 521 | |
| 1142 | 522 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 523 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 524 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 525 } else { | |
| 1142 | 526 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 527 mirror = java_lang_reflect_Method::clazz(reflected); |
| 528 slot = java_lang_reflect_Method::slot(reflected); | |
| 529 } | |
| 530 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 531 | |
| 532 KlassHandle k1(THREAD, k); | |
| 533 // Make sure class is initialized before handing id's out to methods | |
| 534 Klass::cast(k1())->initialize(CHECK_NULL); | |
| 535 methodOop m = instanceKlass::cast(k1())->method_with_idnum(slot); | |
| 536 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted | |
| 537 return ret; | |
| 538 JNI_END | |
| 539 | |
| 4006 | 540 #ifndef USDT2 |
| 0 | 541 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 542 #else /* USDT2 */ |
| 543 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 544 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 545 #endif /* USDT2 */ | |
| 0 | 546 |
| 547 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 548 JNIWrapper("FromReflectedField"); | |
| 4006 | 549 #ifndef USDT2 |
| 0 | 550 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 551 #else /* USDT2 */ |
| 552 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 553 env, field); | |
| 554 #endif /* USDT2 */ | |
| 0 | 555 jfieldID ret = NULL; |
| 556 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 557 | |
| 558 // field is a handle to a java.lang.reflect.Field object | |
| 559 oop reflected = JNIHandles::resolve_non_null(field); | |
| 560 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
| 561 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 562 int slot = java_lang_reflect_Field::slot(reflected); | |
| 563 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 564 | |
| 565 KlassHandle k1(THREAD, k); | |
| 566 // Make sure class is initialized before handing id's out to fields | |
| 567 Klass::cast(k1())->initialize(CHECK_NULL); | |
| 568 | |
| 569 // First check if this is a static field | |
| 570 if (modifiers & JVM_ACC_STATIC) { | |
| 3938 | 571 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
| 0 | 572 JNIid* id = instanceKlass::cast(k1())->jni_id_for(offset); |
| 573 assert(id != NULL, "corrupt Field object"); | |
| 574 debug_only(id->set_is_static_field_id();) | |
| 575 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
| 576 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 577 return ret; | |
| 578 } | |
| 579 | |
| 580 // The slot is the index of the field description in the field-array | |
| 581 // The jfieldID is the offset of the field within the object | |
| 582 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 3938 | 583 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
| 0 | 584 assert(instanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 585 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); | |
| 586 return ret; | |
| 587 JNI_END | |
| 588 | |
| 4006 | 589 #ifndef USDT2 |
| 0 | 590 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 591 #else /* USDT2 */ |
| 592 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 593 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 594 #endif /* USDT2 */ | |
| 0 | 595 |
| 596 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 597 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 598 #ifndef USDT2 |
| 0 | 599 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 600 #else /* USDT2 */ |
| 601 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 602 env, cls, (uintptr_t) method_id, isStatic); | |
| 603 #endif /* USDT2 */ | |
| 0 | 604 jobject ret = NULL; |
| 605 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 606 | |
| 607 methodHandle m (THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
| 608 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); | |
| 609 oop reflection_method; | |
| 610 if (m->is_initializer()) { | |
| 611 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 612 } else { | |
| 613 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 614 } | |
| 615 ret = JNIHandles::make_local(env, reflection_method); | |
| 616 return ret; | |
| 617 JNI_END | |
| 618 | |
| 4006 | 619 #ifndef USDT2 |
| 0 | 620 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 621 #else /* USDT2 */ |
| 622 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 623 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 624 #endif /* USDT2 */ | |
| 0 | 625 |
| 626 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 627 JNIWrapper("GetSuperclass"); | |
| 4006 | 628 #ifndef USDT2 |
| 0 | 629 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 630 #else /* USDT2 */ |
| 631 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 632 env, sub); | |
| 633 #endif /* USDT2 */ | |
| 0 | 634 jclass obj = NULL; |
| 635 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 636 | |
| 637 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 638 // primitive classes return NULL | |
| 639 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 640 | |
| 641 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 642 // arrays return Object | |
| 643 // interfaces return NULL | |
| 644 // proper classes return Klass::super() | |
| 645 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 646 if (Klass::cast(k)->is_interface()) return NULL; | |
| 647 | |
| 648 // return mirror for superclass | |
| 649 klassOop super = Klass::cast(k)->java_super(); | |
| 650 // super2 is the value computed by the compiler's getSuperClass intrinsic: | |
| 651 debug_only(klassOop super2 = ( Klass::cast(k)->oop_is_javaArray() | |
| 1142 | 652 ? SystemDictionary::Object_klass() |
| 0 | 653 : Klass::cast(k)->super() ) ); |
| 654 assert(super == super2, | |
| 655 "java_super computation depends on interface, array, other super"); | |
| 656 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(Klass::cast(super)->java_mirror()); | |
| 657 return obj; | |
| 658 JNI_END | |
| 659 | |
| 660 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 661 JNIWrapper("IsSubclassOf"); | |
| 4006 | 662 #ifndef USDT2 |
| 0 | 663 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 664 #else /* USDT2 */ |
| 665 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 666 env, sub, super); | |
| 667 #endif /* USDT2 */ | |
| 0 | 668 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 669 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 670 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 671 java_lang_Class::is_primitive(super_mirror)) { | |
| 672 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 673 #ifndef USDT2 |
| 0 | 674 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 675 #else /* USDT2 */ |
| 676 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 677 ret); | |
| 678 #endif /* USDT2 */ | |
| 0 | 679 return ret; |
| 680 } | |
| 681 klassOop sub_klass = java_lang_Class::as_klassOop(sub_mirror); | |
| 682 klassOop super_klass = java_lang_Class::as_klassOop(super_mirror); | |
| 683 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); | |
| 684 jboolean ret = Klass::cast(sub_klass)->is_subtype_of(super_klass) ? | |
| 685 JNI_TRUE : JNI_FALSE; | |
| 4006 | 686 #ifndef USDT2 |
| 0 | 687 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 688 #else /* USDT2 */ |
| 689 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 690 ret); | |
| 691 #endif /* USDT2 */ | |
| 0 | 692 return ret; |
| 693 JNI_END | |
| 694 | |
| 4006 | 695 #ifndef USDT2 |
| 0 | 696 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 697 #else /* USDT2 */ |
| 698 DT_RETURN_MARK_DECL(Throw, jint | |
| 699 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 700 #endif /* USDT2 */ | |
| 0 | 701 |
| 702 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 703 JNIWrapper("Throw"); | |
| 4006 | 704 #ifndef USDT2 |
| 0 | 705 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 706 #else /* USDT2 */ |
| 707 HOTSPOT_JNI_THROW_ENTRY( | |
| 708 env, obj); | |
| 709 #endif /* USDT2 */ | |
| 0 | 710 jint ret = JNI_OK; |
| 711 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 712 | |
| 713 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 714 ShouldNotReachHere(); | |
| 715 JNI_END | |
| 716 | |
| 4006 | 717 #ifndef USDT2 |
| 0 | 718 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 719 #else /* USDT2 */ |
| 720 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 721 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 722 #endif /* USDT2 */ | |
| 0 | 723 |
| 724 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 725 JNIWrapper("ThrowNew"); | |
| 4006 | 726 #ifndef USDT2 |
| 0 | 727 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 728 #else /* USDT2 */ |
| 729 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 730 env, clazz, (char *) message); | |
| 731 #endif /* USDT2 */ | |
| 0 | 732 jint ret = JNI_OK; |
| 733 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 734 | |
| 735 instanceKlass* k = instanceKlass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
|
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736 Symbol* name = k->name(); |
| 0 | 737 Handle class_loader (THREAD, k->class_loader()); |
| 738 Handle protection_domain (THREAD, k->protection_domain()); | |
| 739 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 740 ShouldNotReachHere(); | |
| 741 JNI_END | |
| 742 | |
| 743 | |
| 744 // JNI functions only transform a pending async exception to a synchronous | |
| 745 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 746 // delivering an async exception in other places won't change the native | |
| 747 // code's control flow and would be harmful when native code further calls | |
| 748 // JNI functions with a pending exception. Async exception is also checked | |
| 749 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 750 // false but deliver the async exception at the very end during | |
| 751 // state transition. | |
| 752 | |
| 753 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 754 assert(thread == Thread::current(), "must be itself"); | |
| 755 thread->check_and_handle_async_exceptions(); | |
| 756 } | |
| 757 | |
| 758 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 759 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 760 #ifndef USDT2 |
| 0 | 761 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 762 #else /* USDT2 */ |
| 763 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 764 env); | |
| 765 #endif /* USDT2 */ | |
| 0 | 766 jni_check_async_exceptions(thread); |
| 767 oop exception = thread->pending_exception(); | |
| 768 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 769 #ifndef USDT2 |
| 0 | 770 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 771 #else /* USDT2 */ |
| 772 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 773 ret); | |
| 774 #endif /* USDT2 */ | |
| 0 | 775 return ret; |
| 776 JNI_END | |
| 777 | |
| 778 | |
| 779 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 780 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 781 #ifndef USDT2 |
| 0 | 782 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 783 #else /* USDT2 */ |
| 784 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 785 env); | |
| 786 #endif /* USDT2 */ | |
| 0 | 787 if (thread->has_pending_exception()) { |
| 788 Handle ex(thread, thread->pending_exception()); | |
| 789 thread->clear_pending_exception(); | |
| 1142 | 790 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 791 // Don't print anything if we are being killed. |
| 792 } else { | |
| 793 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 794 if (thread != NULL && thread->threadObj() != NULL) { | |
| 795 ResourceMark rm(THREAD); | |
| 796 jio_fprintf(defaultStream::error_stream(), | |
| 797 "in thread \"%s\" ", thread->get_thread_name()); | |
| 798 } | |
| 1142 | 799 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 800 JavaValue result(T_VOID); |
| 801 JavaCalls::call_virtual(&result, | |
| 802 ex, | |
| 803 KlassHandle(THREAD, | |
| 1142 | 804 SystemDictionary::Throwable_klass()), |
|
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805 vmSymbols::printStackTrace_name(), |
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806 vmSymbols::void_method_signature(), |
| 0 | 807 THREAD); |
| 808 // If an exception is thrown in the call it gets thrown away. Not much | |
| 809 // we can do with it. The native code that calls this, does not check | |
| 810 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 811 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 812 // is expected. | |
| 813 CLEAR_PENDING_EXCEPTION; | |
| 814 } else { | |
| 815 ResourceMark rm(THREAD); | |
| 816 jio_fprintf(defaultStream::error_stream(), | |
| 817 ". Uncaught exception of type %s.", | |
| 818 Klass::cast(ex->klass())->external_name()); | |
| 819 } | |
| 820 } | |
| 821 } | |
| 4006 | 822 #ifndef USDT2 |
| 0 | 823 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 824 #else /* USDT2 */ |
| 825 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 826 ); | |
| 827 #endif /* USDT2 */ | |
| 0 | 828 JNI_END |
| 829 | |
| 830 | |
| 831 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 832 JNIWrapper("ExceptionClear"); | |
| 4006 | 833 #ifndef USDT2 |
| 0 | 834 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 835 #else /* USDT2 */ |
| 836 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 837 env); | |
| 838 #endif /* USDT2 */ | |
| 0 | 839 |
| 840 // The jni code might be using this API to clear java thrown exception. | |
| 841 // So just mark jvmti thread exception state as exception caught. | |
| 842 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 843 if (state != NULL && state->is_exception_detected()) { | |
| 844 state->set_exception_caught(); | |
| 845 } | |
| 846 thread->clear_pending_exception(); | |
| 4006 | 847 #ifndef USDT2 |
| 0 | 848 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 849 #else /* USDT2 */ |
| 850 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 851 ); | |
| 852 #endif /* USDT2 */ | |
| 0 | 853 JNI_END |
| 854 | |
| 855 | |
| 856 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 857 JNIWrapper("FatalError"); | |
| 4006 | 858 #ifndef USDT2 |
| 0 | 859 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 860 #else /* USDT2 */ |
| 861 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 862 env, (char *) msg); | |
| 863 #endif /* USDT2 */ | |
| 0 | 864 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 865 thread->print_stack(); | |
|
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866 os::abort(); // Dump core and abort |
| 0 | 867 JNI_END |
| 868 | |
| 869 | |
| 870 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 871 JNIWrapper("PushLocalFrame"); | |
| 4006 | 872 #ifndef USDT2 |
| 0 | 873 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 874 #else /* USDT2 */ |
| 875 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 876 env, capacity); | |
| 877 #endif /* USDT2 */ | |
| 0 | 878 //%note jni_11 |
| 879 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 4006 | 880 #ifndef USDT2 |
| 0 | 881 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 882 #else /* USDT2 */ |
| 883 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 884 (uint32_t)JNI_ERR); | |
| 885 #endif /* USDT2 */ | |
| 0 | 886 return JNI_ERR; |
| 887 } | |
| 888 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 889 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 890 assert(new_handles != NULL, "should not be NULL"); | |
| 891 new_handles->set_pop_frame_link(old_handles); | |
| 892 thread->set_active_handles(new_handles); | |
| 893 jint ret = JNI_OK; | |
| 4006 | 894 #ifndef USDT2 |
| 0 | 895 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 896 #else /* USDT2 */ |
| 897 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 898 ret); | |
| 899 #endif /* USDT2 */ | |
| 0 | 900 return ret; |
| 901 JNI_END | |
| 902 | |
| 903 | |
| 904 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 905 JNIWrapper("PopLocalFrame"); | |
| 4006 | 906 #ifndef USDT2 |
| 0 | 907 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 908 #else /* USDT2 */ |
| 909 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 910 env, result); | |
| 911 #endif /* USDT2 */ | |
| 0 | 912 //%note jni_11 |
| 913 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 914 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 915 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 916 if (new_handles != NULL) { | |
| 917 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 918 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 919 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 920 // the release_block call will release the blocks. | |
| 921 thread->set_active_handles(new_handles); | |
| 922 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 923 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 924 result = JNIHandles::make_local(thread, result_handle()); | |
| 925 } | |
| 4006 | 926 #ifndef USDT2 |
| 0 | 927 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 928 #else /* USDT2 */ |
| 929 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 930 result); | |
| 931 #endif /* USDT2 */ | |
| 0 | 932 return result; |
| 933 JNI_END | |
| 934 | |
| 935 | |
| 936 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 937 JNIWrapper("NewGlobalRef"); | |
| 4006 | 938 #ifndef USDT2 |
| 0 | 939 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 940 #else /* USDT2 */ |
| 941 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 942 env, ref); | |
| 943 #endif /* USDT2 */ | |
| 0 | 944 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 945 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 946 #ifndef USDT2 |
| 0 | 947 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 948 #else /* USDT2 */ |
| 949 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 950 ret); | |
| 951 #endif /* USDT2 */ | |
| 0 | 952 return ret; |
| 953 JNI_END | |
| 954 | |
| 955 // Must be JNI_ENTRY (with HandleMark) | |
| 956 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 957 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 958 #ifndef USDT2 |
| 0 | 959 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 960 #else /* USDT2 */ |
| 961 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 962 env, ref); | |
| 963 #endif /* USDT2 */ | |
| 0 | 964 JNIHandles::destroy_global(ref); |
| 4006 | 965 #ifndef USDT2 |
| 0 | 966 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 967 #else /* USDT2 */ |
| 968 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 969 ); | |
| 970 #endif /* USDT2 */ | |
| 0 | 971 JNI_END |
| 972 | |
| 973 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 974 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 975 #ifndef USDT2 |
| 0 | 976 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 977 #else /* USDT2 */ |
| 978 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 979 env, obj); | |
| 980 #endif /* USDT2 */ | |
| 0 | 981 JNIHandles::destroy_local(obj); |
| 4006 | 982 #ifndef USDT2 |
| 0 | 983 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 984 #else /* USDT2 */ |
| 985 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 986 ); | |
| 987 #endif /* USDT2 */ | |
| 0 | 988 JNI_END |
| 989 | |
| 990 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 991 JNIWrapper("IsSameObject"); | |
| 4006 | 992 #ifndef USDT2 |
| 0 | 993 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 994 #else /* USDT2 */ |
| 995 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 996 env, r1, r2); | |
| 997 #endif /* USDT2 */ | |
| 0 | 998 oop a = JNIHandles::resolve(r1); |
| 999 oop b = JNIHandles::resolve(r2); | |
| 1000 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1001 #ifndef USDT2 |
| 0 | 1002 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1003 #else /* USDT2 */ |
| 1004 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1005 ret); | |
| 1006 #endif /* USDT2 */ | |
| 0 | 1007 return ret; |
| 1008 JNI_END | |
| 1009 | |
| 1010 | |
| 1011 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1012 JNIWrapper("NewLocalRef"); | |
| 4006 | 1013 #ifndef USDT2 |
| 0 | 1014 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1015 #else /* USDT2 */ |
| 1016 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1017 env, ref); | |
| 1018 #endif /* USDT2 */ | |
| 0 | 1019 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1020 #ifndef USDT2 |
| 0 | 1021 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1022 #else /* USDT2 */ |
| 1023 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1024 ret); | |
| 1025 #endif /* USDT2 */ | |
| 0 | 1026 return ret; |
| 1027 JNI_END | |
| 1028 | |
| 1029 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1030 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1031 #ifndef USDT2 |
| 0 | 1032 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1033 #else /* USDT2 */ |
| 1034 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1035 env, capacity); | |
| 1036 #endif /* USDT2 */ | |
| 0 | 1037 jint ret; |
| 1038 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1039 ret = JNI_OK; | |
| 1040 } else { | |
| 1041 ret = JNI_ERR; | |
| 1042 } | |
| 4006 | 1043 #ifndef USDT2 |
| 0 | 1044 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1045 #else /* USDT2 */ |
| 1046 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1047 ret); | |
| 1048 #endif /* USDT2 */ | |
| 0 | 1049 return ret; |
| 1050 JNI_END | |
| 1051 | |
| 1052 // Return the Handle Type | |
| 1053 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1054 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1055 #ifndef USDT2 |
| 0 | 1056 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1057 #else /* USDT2 */ |
| 1058 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1059 env, obj); | |
| 1060 #endif /* USDT2 */ | |
| 0 | 1061 jobjectRefType ret; |
| 1062 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1063 JNIHandles::is_frame_handle(thread, obj)) | |
| 1064 ret = JNILocalRefType; | |
| 1065 else if (JNIHandles::is_global_handle(obj)) | |
| 1066 ret = JNIGlobalRefType; | |
| 1067 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1068 ret = JNIWeakGlobalRefType; | |
| 1069 else | |
| 1070 ret = JNIInvalidRefType; | |
| 4006 | 1071 #ifndef USDT2 |
| 0 | 1072 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1073 #else /* USDT2 */ |
| 1074 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1075 (void *) ret); | |
| 1076 #endif /* USDT2 */ | |
| 0 | 1077 return ret; |
| 1078 JNI_END | |
| 1079 | |
| 1080 | |
| 1081 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1082 protected: | |
| 1083 JavaCallArguments* _arguments; | |
| 1084 | |
| 1085 virtual void get_bool () = 0; | |
| 1086 virtual void get_char () = 0; | |
| 1087 virtual void get_short () = 0; | |
| 1088 virtual void get_byte () = 0; | |
| 1089 virtual void get_int () = 0; | |
| 1090 virtual void get_long () = 0; | |
| 1091 virtual void get_float () = 0; | |
| 1092 virtual void get_double () = 0; | |
| 1093 virtual void get_object () = 0; | |
| 1094 | |
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1095 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1096 this->_return_type = T_ILLEGAL; |
| 1097 _arguments = NULL; | |
| 1098 } | |
| 1099 | |
| 1100 public: | |
| 1101 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1102 | |
| 1103 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1104 | |
| 1105 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1106 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1107 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1108 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1109 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1110 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1111 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1112 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1113 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1114 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1115 inline void do_void() { } | |
| 1116 | |
| 1117 JavaCallArguments* arguments() { return _arguments; } | |
| 1118 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1119 }; | |
| 1120 | |
| 1121 | |
| 1122 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1123 protected: | |
| 1124 va_list _ap; | |
| 1125 | |
| 1126 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1127 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1128 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1129 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1130 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1131 | |
| 1132 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1133 | |
| 1134 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1135 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1136 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1137 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1138 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1139 | |
| 1140 inline void set_ap(va_list rap) { | |
| 1141 #ifdef va_copy | |
| 1142 va_copy(_ap, rap); | |
| 1143 #elif defined (__va_copy) | |
| 1144 __va_copy(_ap, rap); | |
| 1145 #else | |
| 1146 _ap = rap; | |
| 1147 #endif | |
| 1148 } | |
| 1149 | |
| 1150 public: | |
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1151 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1152 : JNI_ArgumentPusher(signature) { |
| 0 | 1153 set_ap(rap); |
| 1154 } | |
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1155 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1156 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1157 set_ap(rap); |
| 1158 } | |
| 1159 | |
| 1160 // Optimized path if we have the bitvector form of signature | |
| 1161 void iterate( uint64_t fingerprint ) { | |
| 1162 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1163 else { | |
| 1164 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1165 result_feature_mask); | |
| 1166 | |
| 1167 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1168 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1169 while ( 1 ) { | |
| 1170 switch ( fingerprint & parameter_feature_mask ) { | |
| 1171 case bool_parm: | |
| 1172 case char_parm: | |
| 1173 case short_parm: | |
| 1174 case byte_parm: | |
| 1175 case int_parm: | |
| 1176 get_int(); | |
| 1177 break; | |
| 1178 case obj_parm: | |
| 1179 get_object(); | |
| 1180 break; | |
| 1181 case long_parm: | |
| 1182 get_long(); | |
| 1183 break; | |
| 1184 case float_parm: | |
| 1185 get_float(); | |
| 1186 break; | |
| 1187 case double_parm: | |
| 1188 get_double(); | |
| 1189 break; | |
| 1190 case done_parm: | |
| 1191 return; | |
| 1192 break; | |
| 1193 default: | |
| 1194 ShouldNotReachHere(); | |
| 1195 break; | |
| 1196 } | |
| 1197 fingerprint >>= parameter_feature_size; | |
| 1198 } | |
| 1199 } | |
| 1200 } | |
| 1201 }; | |
| 1202 | |
| 1203 | |
| 1204 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1205 protected: | |
| 1206 const jvalue *_ap; | |
| 1207 | |
| 1208 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1209 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1210 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1211 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1212 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1213 | |
| 1214 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1215 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1216 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1217 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1218 | |
| 1219 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1220 | |
| 1221 public: | |
|
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1222 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1223 : JNI_ArgumentPusher(signature) { |
| 0 | 1224 set_ap(rap); |
| 1225 } | |
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1226 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1227 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1228 set_ap(rap); |
| 1229 } | |
| 1230 | |
| 1231 // Optimized path if we have the bitvector form of signature | |
| 1232 void iterate( uint64_t fingerprint ) { | |
| 1233 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1234 else { | |
| 1235 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1236 result_feature_mask); | |
| 1237 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1238 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1239 while ( 1 ) { | |
| 1240 switch ( fingerprint & parameter_feature_mask ) { | |
| 1241 case bool_parm: | |
| 1242 get_bool(); | |
| 1243 break; | |
| 1244 case char_parm: | |
| 1245 get_char(); | |
| 1246 break; | |
| 1247 case short_parm: | |
| 1248 get_short(); | |
| 1249 break; | |
| 1250 case byte_parm: | |
| 1251 get_byte(); | |
| 1252 break; | |
| 1253 case int_parm: | |
| 1254 get_int(); | |
| 1255 break; | |
| 1256 case obj_parm: | |
| 1257 get_object(); | |
| 1258 break; | |
| 1259 case long_parm: | |
| 1260 get_long(); | |
| 1261 break; | |
| 1262 case float_parm: | |
| 1263 get_float(); | |
| 1264 break; | |
| 1265 case double_parm: | |
| 1266 get_double(); | |
| 1267 break; | |
| 1268 case done_parm: | |
| 1269 return; | |
| 1270 break; | |
| 1271 default: | |
| 1272 ShouldNotReachHere(); | |
| 1273 break; | |
| 1274 } | |
| 1275 fingerprint >>= parameter_feature_size; | |
| 1276 } | |
| 1277 } | |
| 1278 } | |
| 1279 }; | |
| 1280 | |
| 1281 | |
| 1282 enum JNICallType { | |
| 1283 JNI_STATIC, | |
| 1284 JNI_VIRTUAL, | |
| 1285 JNI_NONVIRTUAL | |
| 1286 }; | |
| 1287 | |
| 1288 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
| 1289 assert(!method.is_null() , "method should not be null"); | |
| 1290 | |
| 1291 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1292 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1293 KlassHandle spec_klass (THREAD, method->method_holder()); | |
|
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1294 Symbol* name = method->name(); |
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1295 Symbol* signature = method->signature(); |
| 0 | 1296 CallInfo info; |
| 1297 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1298 return info.selected_method(); | |
| 1299 } | |
| 1300 | |
| 1301 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
| 1302 assert(!method.is_null() , "method should not be null"); | |
| 1303 | |
| 1304 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1305 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1306 KlassHandle spec_klass (THREAD, method->method_holder()); | |
|
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1307 Symbol* name = method->name(); |
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1308 Symbol* signature = method->signature(); |
| 0 | 1309 CallInfo info; |
| 1310 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1311 return info.selected_method(); | |
| 1312 } | |
| 1313 | |
| 1314 | |
| 1315 | |
| 1316 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1317 methodHandle method(THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
| 1318 | |
| 1319 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1320 // the jni parser | |
| 1321 ResourceMark rm(THREAD); | |
| 1322 int number_of_parameters = method->size_of_parameters(); | |
| 1323 JavaCallArguments java_args(number_of_parameters); | |
| 1324 args->set_java_argument_object(&java_args); | |
| 1325 | |
| 1326 assert(method->is_static(), "method should be static"); | |
| 1327 | |
| 1328 // Fill out JavaCallArguments object | |
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1329 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1330 // Initialize result type |
| 1331 result->set_type(args->get_ret_type()); | |
| 1332 | |
| 1333 // Invoke the method. Result is returned as oop. | |
| 1334 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1335 | |
| 1336 // Convert result | |
| 1337 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1338 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1339 } | |
| 1340 } | |
| 1341 | |
| 1342 | |
| 1343 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1344 oop recv = JNIHandles::resolve(receiver); | |
| 1345 if (recv == NULL) { | |
| 1346 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1347 } | |
| 1348 Handle h_recv(THREAD, recv); | |
| 1349 | |
| 1350 int number_of_parameters; | |
| 1351 methodOop selected_method; | |
| 1352 { | |
| 1353 methodOop m = JNIHandles::resolve_jmethod_id(method_id); | |
| 1354 number_of_parameters = m->size_of_parameters(); | |
| 1355 klassOop holder = m->method_holder(); | |
| 1356 if (!(Klass::cast(holder))->is_interface()) { | |
| 1357 // non-interface call -- for that little speed boost, don't handlize | |
| 1358 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1359 if (call_type == JNI_VIRTUAL) { | |
| 1360 // jni_GetMethodID makes sure class is linked and initialized | |
| 1361 // so m should have a valid vtable index. | |
| 1362 int vtbl_index = m->vtable_index(); | |
| 1363 if (vtbl_index != methodOopDesc::nonvirtual_vtable_index) { | |
| 1364 klassOop k = h_recv->klass(); | |
| 1365 // k might be an arrayKlassOop but all vtables start at | |
| 1366 // the same place. The cast is to avoid virtual call and assertion. | |
| 1367 instanceKlass *ik = (instanceKlass*)k->klass_part(); | |
| 1368 selected_method = ik->method_at_vtable(vtbl_index); | |
| 1369 } else { | |
| 1370 // final method | |
| 1371 selected_method = m; | |
| 1372 } | |
| 1373 } else { | |
| 1374 // JNI_NONVIRTUAL call | |
| 1375 selected_method = m; | |
| 1376 } | |
| 1377 } else { | |
| 1378 // interface call | |
| 1379 KlassHandle h_holder(THREAD, holder); | |
| 1380 | |
| 1381 int itbl_index = m->cached_itable_index(); | |
| 1382 if (itbl_index == -1) { | |
| 1383 itbl_index = klassItable::compute_itable_index(m); | |
| 1384 m->set_cached_itable_index(itbl_index); | |
| 1385 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
| 1386 } | |
| 1387 klassOop k = h_recv->klass(); | |
| 1388 selected_method = instanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
| 1389 } | |
| 1390 } | |
| 1391 | |
| 1392 methodHandle method(THREAD, selected_method); | |
| 1393 | |
| 1394 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1395 // the jni parser | |
| 1396 ResourceMark rm(THREAD); | |
| 1397 JavaCallArguments java_args(number_of_parameters); | |
| 1398 args->set_java_argument_object(&java_args); | |
| 1399 | |
| 1400 // handle arguments | |
| 1401 assert(!method->is_static(), "method should not be static"); | |
| 1402 args->push_receiver(h_recv); // Push jobject handle | |
| 1403 | |
| 1404 // Fill out JavaCallArguments object | |
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1405 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1406 // Initialize result type |
| 1407 result->set_type(args->get_ret_type()); | |
| 1408 | |
| 1409 // Invoke the method. Result is returned as oop. | |
| 1410 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1411 | |
| 1412 // Convert result | |
| 1413 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1414 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1415 } | |
| 1416 } | |
| 1417 | |
| 1418 | |
| 1419 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
| 1420 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 1421 Klass::cast(k())->check_valid_for_instantiation(false, CHECK_NULL); | |
| 1422 instanceKlass::cast(k())->initialize(CHECK_NULL); | |
| 1423 instanceOop ih = instanceKlass::cast(k())->allocate_instance(THREAD); | |
| 1424 return ih; | |
| 1425 } | |
| 1426 | |
| 4006 | 1427 #ifndef USDT2 |
| 0 | 1428 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1429 #else /* USDT2 */ |
| 1430 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1431 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1432 #endif /* USDT2 */ | |
| 0 | 1433 |
| 1434 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1435 JNIWrapper("AllocObject"); | |
| 1436 | |
| 4006 | 1437 #ifndef USDT2 |
| 0 | 1438 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1439 #else /* USDT2 */ |
| 1440 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1441 env, clazz); | |
| 1442 #endif /* USDT2 */ | |
| 0 | 1443 jobject ret = NULL; |
| 1444 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1445 | |
| 1446 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1447 ret = JNIHandles::make_local(env, i); | |
| 1448 return ret; | |
| 1449 JNI_END | |
| 1450 | |
| 4006 | 1451 #ifndef USDT2 |
| 0 | 1452 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1453 #else /* USDT2 */ |
| 1454 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1455 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1456 #endif /* USDT2 */ | |
| 0 | 1457 |
| 1458 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1459 JNIWrapper("NewObjectA"); | |
| 4006 | 1460 #ifndef USDT2 |
| 0 | 1461 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1462 #else /* USDT2 */ |
| 1463 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1464 env, clazz, (uintptr_t) methodID); | |
| 1465 #endif /* USDT2 */ | |
| 0 | 1466 jobject obj = NULL; |
| 1467 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1468 | |
| 1469 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1470 obj = JNIHandles::make_local(env, i); | |
| 1471 JavaValue jvalue(T_VOID); | |
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1472 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1473 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1474 return obj; | |
| 1475 JNI_END | |
| 1476 | |
| 4006 | 1477 #ifndef USDT2 |
| 0 | 1478 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1479 #else /* USDT2 */ |
| 1480 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1481 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1482 #endif /* USDT2 */ | |
| 0 | 1483 |
| 1484 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1485 JNIWrapper("NewObjectV"); | |
| 4006 | 1486 #ifndef USDT2 |
| 0 | 1487 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1488 #else /* USDT2 */ |
| 1489 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1490 env, clazz, (uintptr_t) methodID); | |
| 1491 #endif /* USDT2 */ | |
| 0 | 1492 jobject obj = NULL; |
| 1493 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1494 | |
| 1495 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1496 obj = JNIHandles::make_local(env, i); | |
| 1497 JavaValue jvalue(T_VOID); | |
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1498 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1499 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1500 return obj; | |
| 1501 JNI_END | |
| 1502 | |
| 4006 | 1503 #ifndef USDT2 |
| 0 | 1504 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1505 #else /* USDT2 */ |
| 1506 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1507 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1508 #endif /* USDT2 */ | |
| 0 | 1509 |
| 1510 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1511 JNIWrapper("NewObject"); | |
| 4006 | 1512 #ifndef USDT2 |
| 0 | 1513 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1514 #else /* USDT2 */ |
| 1515 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1516 env, clazz, (uintptr_t) methodID); | |
| 1517 #endif /* USDT2 */ | |
| 0 | 1518 jobject obj = NULL; |
| 1519 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1520 | |
| 1521 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1522 obj = JNIHandles::make_local(env, i); | |
| 1523 va_list args; | |
| 1524 va_start(args, methodID); | |
| 1525 JavaValue jvalue(T_VOID); | |
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1526 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1527 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1528 va_end(args); | |
| 1529 return obj; | |
| 1530 JNI_END | |
| 1531 | |
| 1532 | |
| 1533 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1534 JNIWrapper("GetObjectClass"); | |
| 4006 | 1535 #ifndef USDT2 |
| 0 | 1536 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1537 #else /* USDT2 */ |
| 1538 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1539 env, obj); | |
| 1540 #endif /* USDT2 */ | |
| 0 | 1541 klassOop k = JNIHandles::resolve_non_null(obj)->klass(); |
| 1542 jclass ret = | |
| 1543 (jclass) JNIHandles::make_local(env, Klass::cast(k)->java_mirror()); | |
| 4006 | 1544 #ifndef USDT2 |
| 0 | 1545 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1546 #else /* USDT2 */ |
| 1547 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1548 ret); | |
| 1549 #endif /* USDT2 */ | |
| 0 | 1550 return ret; |
| 1551 JNI_END | |
| 1552 | |
| 1553 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1554 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1555 #ifndef USDT2 |
| 0 | 1556 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1557 #else /* USDT2 */ |
| 1558 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1559 env, obj, clazz); | |
| 1560 #endif /* USDT2 */ | |
| 0 | 1561 jboolean ret = JNI_TRUE; |
| 1562 if (obj != NULL) { | |
| 1563 ret = JNI_FALSE; | |
| 1564 klassOop k = java_lang_Class::as_klassOop( | |
| 1565 JNIHandles::resolve_non_null(clazz)); | |
| 1566 if (k != NULL) { | |
| 1567 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1568 } | |
| 1569 } | |
| 4006 | 1570 #ifndef USDT2 |
| 0 | 1571 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1572 #else /* USDT2 */ |
| 1573 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1574 ret); | |
| 1575 #endif /* USDT2 */ | |
| 0 | 1576 return ret; |
| 1577 JNI_END | |
| 1578 | |
| 1579 | |
| 1580 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1581 const char *sig, bool is_static, TRAPS) { | |
| 1582 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1583 // | |
| 1584 // The class should have been loaded (we have an instance of the class | |
| 1585 // passed in) so the method and signature should already be in the symbol | |
| 1586 // table. If they're not there, the method doesn't exist. | |
|
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1587 const char *name_to_probe = (name_str == NULL) |
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1588 ? vmSymbols::object_initializer_name()->as_C_string() |
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1589 : name_str; |
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1590 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1591 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1592 |
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1593 if (name == NULL || signature == NULL) { |
| 0 | 1594 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1595 } | |
| 1596 | |
| 1597 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1598 // primitive java.lang.Class | |
| 1599 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1600 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1601 } | |
| 1602 | |
| 1603 KlassHandle klass(THREAD, | |
| 1604 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 1605 | |
| 1606 // Make sure class is linked and initialized before handing id's out to | |
| 1607 // methodOops. | |
| 1608 Klass::cast(klass())->initialize(CHECK_NULL); | |
| 1609 | |
| 1610 methodOop m; | |
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1611 if (name == vmSymbols::object_initializer_name() || |
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1612 name == vmSymbols::class_initializer_name()) { |
| 0 | 1613 // Never search superclasses for constructors |
| 1614 if (klass->oop_is_instance()) { | |
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1615 m = instanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1616 } else { |
| 1617 m = NULL; | |
| 1618 } | |
| 1619 } else { | |
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1620 m = klass->lookup_method(name, signature); |
| 0 | 1621 // Look up interfaces |
| 1622 if (m == NULL && klass->oop_is_instance()) { | |
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1623 m = instanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1624 signature); |
| 0 | 1625 } |
| 1626 } | |
| 1627 if (m == NULL || (m->is_static() != is_static)) { | |
| 1628 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1629 } | |
| 1630 return m->jmethod_id(); | |
| 1631 } | |
| 1632 | |
| 1633 | |
| 1634 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1635 const char *name, const char *sig)) | |
| 1636 JNIWrapper("GetMethodID"); | |
| 4006 | 1637 #ifndef USDT2 |
| 0 | 1638 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1639 #else /* USDT2 */ |
| 1640 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1641 env, clazz, (char *) name, (char *) sig); | |
| 1642 #endif /* USDT2 */ | |
| 0 | 1643 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1644 #ifndef USDT2 |
| 0 | 1645 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1646 #else /* USDT2 */ |
| 1647 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1648 (uintptr_t) ret); | |
| 1649 #endif /* USDT2 */ | |
| 0 | 1650 return ret; |
| 1651 JNI_END | |
| 1652 | |
| 1653 | |
| 1654 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1655 const char *name, const char *sig)) | |
| 1656 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1657 #ifndef USDT2 |
| 0 | 1658 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1659 #else /* USDT2 */ |
| 1660 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1661 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1662 #endif /* USDT2 */ | |
| 0 | 1663 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1664 #ifndef USDT2 |
| 0 | 1665 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1666 #else /* USDT2 */ |
| 1667 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1668 (uintptr_t) ret); | |
| 1669 #endif /* USDT2 */ | |
| 0 | 1670 return ret; |
| 1671 JNI_END | |
| 1672 | |
| 1673 | |
| 1674 | |
| 1675 // | |
| 1676 // Calling Methods | |
| 1677 // | |
| 1678 | |
| 4006 | 1679 #ifndef USDT2 |
| 0 | 1680 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1681 \ | |
| 1682 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1683 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1684 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1685 \ | |
| 1686 JNI_ENTRY(ResultType, \ | |
| 1687 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1688 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1689 \ | |
| 4006 | 1690 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1691 ResultType ret = 0;\ |
| 1692 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1693 (const ResultType&)ret);\ | |
| 1694 \ | |
| 1695 va_list args; \ | |
| 1696 va_start(args, methodID); \ | |
| 1697 JavaValue jvalue(Tag); \ | |
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1698 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1699 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1700 va_end(args); \ | |
| 1701 ret = jvalue.get_##ResultType(); \ | |
| 1702 return ret;\ | |
| 1703 JNI_END \ | |
| 1704 \ | |
| 1705 \ | |
| 1706 JNI_ENTRY(ResultType, \ | |
| 1707 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1708 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1709 \ | |
| 4006 | 1710 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1711 ResultType ret = 0;\ |
| 1712 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1713 (const ResultType&)ret);\ | |
| 1714 \ | |
| 1715 JavaValue jvalue(Tag); \ | |
|
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1716 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1717 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1718 ret = jvalue.get_##ResultType(); \ | |
| 1719 return ret;\ | |
| 1720 JNI_END \ | |
| 1721 \ | |
| 1722 \ | |
| 1723 JNI_ENTRY(ResultType, \ | |
| 1724 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1725 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1726 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1727 ResultType ret = 0;\ |
| 1728 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1729 (const ResultType&)ret);\ | |
| 1730 \ | |
| 1731 JavaValue jvalue(Tag); \ | |
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1732 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1733 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1734 ret = jvalue.get_##ResultType(); \ | |
| 1735 return ret;\ | |
| 1736 JNI_END | |
| 1737 | |
| 1738 // the runtime type of subword integral basic types is integer | |
| 1739 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1740 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1741 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1742 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1743 | |
| 1744 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1745 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1746 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1747 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1748 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1749 | |
| 1750 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1751 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1752 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1753 | |
| 4006 | 1754 #else /* USDT2 */ |
| 1755 | |
| 1756 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1757 , EntryProbe, ReturnProbe) \ | |
| 1758 \ | |
| 1759 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1760 , ReturnProbe); \ | |
| 1761 \ | |
| 1762 JNI_ENTRY(ResultType, \ | |
| 1763 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1764 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1765 \ | |
| 1766 EntryProbe; \ | |
| 1767 ResultType ret = 0;\ | |
| 1768 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1769 (const ResultType&)ret);\ | |
| 1770 \ | |
| 1771 va_list args; \ | |
| 1772 va_start(args, methodID); \ | |
| 1773 JavaValue jvalue(Tag); \ | |
| 1774 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1775 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1776 va_end(args); \ | |
| 1777 ret = jvalue.get_##ResultType(); \ | |
| 1778 return ret;\ | |
| 1779 JNI_END | |
| 1780 | |
| 1781 // the runtime type of subword integral basic types is integer | |
| 1782 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1783 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1784 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1785 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1786 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1787 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1788 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1789 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1790 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1791 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1792 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1793 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1794 | |
| 1795 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1796 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1797 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1798 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1799 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1800 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1801 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1802 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1803 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1804 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1805 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1806 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1807 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1808 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1809 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1810 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1811 | |
| 1812 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1813 , EntryProbe, ReturnProbe) \ | |
| 1814 \ | |
| 1815 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1816 , ReturnProbe); \ | |
| 1817 \ | |
| 1818 JNI_ENTRY(ResultType, \ | |
| 1819 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1820 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1821 \ | |
| 1822 EntryProbe;\ | |
| 1823 ResultType ret = 0;\ | |
| 1824 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1825 (const ResultType&)ret);\ | |
| 1826 \ | |
| 1827 JavaValue jvalue(Tag); \ | |
| 1828 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1829 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1830 ret = jvalue.get_##ResultType(); \ | |
| 1831 return ret;\ | |
| 1832 JNI_END | |
| 1833 | |
| 1834 // the runtime type of subword integral basic types is integer | |
| 1835 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1836 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1837 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1838 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1839 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1840 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1841 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1842 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1843 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1844 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1845 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1846 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1847 | |
| 1848 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1849 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1850 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1851 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1852 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1853 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1854 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1855 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1856 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1857 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1858 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1859 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1860 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1861 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1862 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1863 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1864 | |
| 1865 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1866 , EntryProbe, ReturnProbe) \ | |
| 1867 \ | |
| 1868 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1869 , ReturnProbe); \ | |
| 1870 \ | |
| 1871 JNI_ENTRY(ResultType, \ | |
| 1872 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1873 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1874 EntryProbe; \ | |
| 1875 ResultType ret = 0;\ | |
| 1876 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1877 (const ResultType&)ret);\ | |
| 1878 \ | |
| 1879 JavaValue jvalue(Tag); \ | |
| 1880 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1881 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1882 ret = jvalue.get_##ResultType(); \ | |
| 1883 return ret;\ | |
| 1884 JNI_END | |
| 1885 | |
| 1886 // the runtime type of subword integral basic types is integer | |
| 1887 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1888 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1889 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1890 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1891 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1892 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1893 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1894 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1895 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1896 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1897 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1898 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1899 | |
| 1900 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1901 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1902 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1903 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1904 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1905 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1906 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1907 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1908 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1909 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1910 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1911 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1912 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1913 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1914 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1915 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1916 | |
| 1917 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1918 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1919 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1920 | |
| 1921 #endif /* USDT2 */ | |
| 1922 | |
| 0 | 1923 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1924 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1925 #ifndef USDT2 |
| 0 | 1926 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1927 #else /* USDT2 */ |
| 1928 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1929 env, obj, (uintptr_t) methodID); | |
| 1930 #endif /* USDT2 */ | |
| 0 | 1931 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1932 | |
| 1933 va_list args; | |
| 1934 va_start(args, methodID); | |
| 1935 JavaValue jvalue(T_VOID); | |
|
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1936 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1937 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1938 va_end(args); | |
| 1939 JNI_END | |
| 1940 | |
| 1941 | |
| 1942 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1943 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1944 #ifndef USDT2 |
| 0 | 1945 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1946 #else /* USDT2 */ |
| 1947 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1948 env, obj, (uintptr_t) methodID); | |
| 1949 #endif /* USDT2 */ | |
| 0 | 1950 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1951 | |
| 1952 JavaValue jvalue(T_VOID); | |
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1953 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1954 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1955 JNI_END | |
| 1956 | |
| 1957 | |
| 1958 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1959 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1960 #ifndef USDT2 |
| 0 | 1961 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1962 #else /* USDT2 */ |
| 1963 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1964 env, obj, (uintptr_t) methodID); | |
| 1965 #endif /* USDT2 */ | |
| 0 | 1966 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1967 | |
| 1968 JavaValue jvalue(T_VOID); | |
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1969 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1970 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1971 JNI_END | |
| 1972 | |
| 1973 | |
| 4006 | 1974 #ifndef USDT2 |
| 0 | 1975 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1976 \ | |
| 1977 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1978 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1979 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1980 \ | |
| 1981 JNI_ENTRY(ResultType, \ | |
| 1982 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1983 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1984 \ | |
| 1985 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1986 ResultType ret;\ | |
| 1987 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1988 (const ResultType&)ret);\ | |
| 1989 \ | |
| 1990 va_list args; \ | |
| 1991 va_start(args, methodID); \ | |
| 1992 JavaValue jvalue(Tag); \ | |
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1993 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1994 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1995 va_end(args); \ | |
| 1996 ret = jvalue.get_##ResultType(); \ | |
| 1997 return ret;\ | |
| 1998 JNI_END \ | |
| 1999 \ | |
| 2000 JNI_ENTRY(ResultType, \ | |
| 2001 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2002 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 2003 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 2004 ResultType ret;\ | |
| 2005 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2006 (const ResultType&)ret);\ | |
| 2007 \ | |
| 2008 JavaValue jvalue(Tag); \ | |
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2009 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2010 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2011 ret = jvalue.get_##ResultType(); \ | |
| 2012 return ret;\ | |
| 2013 JNI_END \ | |
| 2014 \ | |
| 2015 JNI_ENTRY(ResultType, \ | |
| 2016 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2017 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2018 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 2019 ResultType ret;\ | |
| 2020 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2021 (const ResultType&)ret);\ | |
| 2022 \ | |
| 2023 JavaValue jvalue(Tag); \ | |
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2024 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2025 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2026 ret = jvalue.get_##ResultType(); \ | |
| 2027 return ret;\ | |
| 2028 JNI_END | |
| 2029 | |
| 2030 // the runtime type of subword integral basic types is integer | |
| 2031 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2032 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2033 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2034 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2035 | |
| 2036 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2037 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2038 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2039 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2040 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2041 | |
| 2042 | |
| 2043 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2044 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2045 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2046 | |
| 4006 | 2047 #else /* USDT2 */ |
| 2048 | |
| 2049 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2050 , EntryProbe, ReturnProbe) \ | |
| 2051 \ | |
| 2052 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2053 , ReturnProbe);\ | |
| 2054 \ | |
| 2055 JNI_ENTRY(ResultType, \ | |
| 2056 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2057 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2058 \ | |
| 2059 EntryProbe;\ | |
| 2060 ResultType ret;\ | |
| 2061 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2062 (const ResultType&)ret);\ | |
| 2063 \ | |
| 2064 va_list args; \ | |
| 2065 va_start(args, methodID); \ | |
| 2066 JavaValue jvalue(Tag); \ | |
| 2067 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2068 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2069 va_end(args); \ | |
| 2070 ret = jvalue.get_##ResultType(); \ | |
| 2071 return ret;\ | |
| 2072 JNI_END | |
| 2073 | |
| 2074 // the runtime type of subword integral basic types is integer | |
| 2075 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2076 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2077 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2078 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2079 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2080 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2081 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2082 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2083 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2084 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2085 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2086 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2087 | |
| 2088 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2089 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2090 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2091 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2092 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2093 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2094 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2095 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2096 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2097 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2098 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2099 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2100 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2101 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2102 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2103 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2104 | |
| 2105 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2106 , EntryProbe, ReturnProbe) \ | |
| 2107 \ | |
| 2108 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2109 , ReturnProbe);\ | |
| 2110 \ | |
| 2111 JNI_ENTRY(ResultType, \ | |
| 2112 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2113 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2114 \ | |
| 2115 EntryProbe;\ | |
| 2116 ResultType ret;\ | |
| 2117 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2118 (const ResultType&)ret);\ | |
| 2119 \ | |
| 2120 JavaValue jvalue(Tag); \ | |
| 2121 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2122 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2123 ret = jvalue.get_##ResultType(); \ | |
| 2124 return ret;\ | |
| 2125 JNI_END | |
| 2126 | |
| 2127 // the runtime type of subword integral basic types is integer | |
| 2128 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2129 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2130 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2131 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2132 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2133 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2134 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2135 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2136 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2137 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2138 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2139 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2140 | |
| 2141 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2142 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2143 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2144 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2145 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2146 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2147 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2148 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2149 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2150 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2151 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2152 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2153 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2154 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2155 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2156 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2157 | |
| 2158 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2159 , EntryProbe, ReturnProbe) \ | |
| 2160 \ | |
| 2161 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2162 , ReturnProbe);\ | |
| 2163 \ | |
| 2164 JNI_ENTRY(ResultType, \ | |
| 2165 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2166 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2167 \ | |
| 2168 EntryProbe;\ | |
| 2169 ResultType ret;\ | |
| 2170 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2171 (const ResultType&)ret);\ | |
| 2172 \ | |
| 2173 JavaValue jvalue(Tag); \ | |
| 2174 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2175 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2176 ret = jvalue.get_##ResultType(); \ | |
| 2177 return ret;\ | |
| 2178 JNI_END | |
| 2179 | |
| 2180 // the runtime type of subword integral basic types is integer | |
| 2181 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2182 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2183 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2184 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2185 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2186 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2187 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2188 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2189 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2190 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2191 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2192 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2193 | |
| 2194 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2195 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2196 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2197 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2198 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2199 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2200 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2201 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2202 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2203 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2204 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2205 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2206 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2207 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2208 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2209 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2210 | |
| 2211 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2212 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2213 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2214 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2215 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2216 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2217 #endif /* USDT2 */ | |
| 2218 | |
| 0 | 2219 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2220 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2221 | |
| 4006 | 2222 #ifndef USDT2 |
| 0 | 2223 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2224 env, obj, cls, methodID); | |
| 4006 | 2225 #else /* USDT2 */ |
| 2226 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2227 env, obj, cls, (uintptr_t) methodID); | |
| 2228 #endif /* USDT2 */ | |
| 0 | 2229 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2230 | |
| 2231 va_list args; | |
| 2232 va_start(args, methodID); | |
| 2233 JavaValue jvalue(T_VOID); | |
|
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|
2234 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2235 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2236 va_end(args); | |
| 2237 JNI_END | |
| 2238 | |
| 2239 | |
| 2240 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2241 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2242 | |
| 4006 | 2243 #ifndef USDT2 |
| 0 | 2244 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2245 env, obj, cls, methodID); | |
| 4006 | 2246 #else /* USDT2 */ |
| 2247 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2248 env, obj, cls, (uintptr_t) methodID); | |
| 2249 #endif /* USDT2 */ | |
| 0 | 2250 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2251 | |
| 2252 JavaValue jvalue(T_VOID); | |
|
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2253 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2254 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2255 JNI_END | |
| 2256 | |
| 2257 | |
| 2258 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2259 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2260 #ifndef USDT2 |
| 0 | 2261 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2262 env, obj, cls, methodID); | |
| 4006 | 2263 #else /* USDT2 */ |
| 2264 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2265 env, obj, cls, (uintptr_t) methodID); | |
| 2266 #endif /* USDT2 */ | |
| 0 | 2267 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2268 JavaValue jvalue(T_VOID); | |
|
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|
2269 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2270 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2271 JNI_END | |
| 2272 | |
| 2273 | |
| 4006 | 2274 #ifndef USDT2 |
| 0 | 2275 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2276 \ | |
| 2277 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2278 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2279 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2280 \ | |
| 2281 JNI_ENTRY(ResultType, \ | |
| 2282 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2283 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2284 \ | |
| 2285 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2286 ResultType ret = 0;\ | |
| 2287 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2288 (const ResultType&)ret);\ | |
| 2289 \ | |
| 2290 va_list args; \ | |
| 2291 va_start(args, methodID); \ | |
| 2292 JavaValue jvalue(Tag); \ | |
|
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|
2293 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2294 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2295 va_end(args); \ | |
| 2296 ret = jvalue.get_##ResultType(); \ | |
| 2297 return ret;\ | |
| 2298 JNI_END \ | |
| 2299 \ | |
| 2300 JNI_ENTRY(ResultType, \ | |
| 2301 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2302 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2303 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2304 ResultType ret = 0;\ | |
| 2305 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2306 (const ResultType&)ret);\ | |
| 2307 \ | |
| 2308 JavaValue jvalue(Tag); \ | |
|
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|
2309 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2310 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2311 ret = jvalue.get_##ResultType(); \ | |
| 2312 return ret;\ | |
| 2313 JNI_END \ | |
| 2314 \ | |
| 2315 JNI_ENTRY(ResultType, \ | |
| 2316 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2317 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2318 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2319 ResultType ret = 0;\ | |
| 2320 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2321 (const ResultType&)ret);\ | |
| 2322 \ | |
| 2323 JavaValue jvalue(Tag); \ | |
|
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|
2324 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2325 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2326 ret = jvalue.get_##ResultType(); \ | |
| 2327 return ret;\ | |
| 2328 JNI_END | |
| 2329 | |
| 2330 // the runtime type of subword integral basic types is integer | |
| 2331 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2332 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2333 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2334 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2335 | |
| 2336 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2337 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2338 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2339 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2340 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2341 | |
| 2342 | |
| 2343 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2344 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2345 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2346 | |
| 4006 | 2347 #else /* USDT2 */ |
| 2348 | |
| 2349 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2350 , EntryProbe, ResultProbe) \ | |
| 2351 \ | |
| 2352 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2353 , ResultProbe); \ | |
| 2354 \ | |
| 2355 JNI_ENTRY(ResultType, \ | |
| 2356 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2357 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2358 \ | |
| 2359 EntryProbe; \ | |
| 2360 ResultType ret = 0;\ | |
| 2361 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2362 (const ResultType&)ret);\ | |
| 2363 \ | |
| 2364 va_list args; \ | |
| 2365 va_start(args, methodID); \ | |
| 2366 JavaValue jvalue(Tag); \ | |
| 2367 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2368 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2369 va_end(args); \ | |
| 2370 ret = jvalue.get_##ResultType(); \ | |
| 2371 return ret;\ | |
| 2372 JNI_END | |
| 2373 | |
| 2374 // the runtime type of subword integral basic types is integer | |
| 2375 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2376 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2377 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2378 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2379 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2380 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2381 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2382 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2383 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2384 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2385 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2386 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2387 | |
| 2388 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2389 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2390 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2391 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2392 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2393 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2394 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2395 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2396 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2397 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2398 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2399 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2400 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2401 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2402 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2403 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2404 | |
| 2405 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2406 , EntryProbe, ResultProbe) \ | |
| 2407 \ | |
| 2408 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2409 , ResultProbe); \ | |
| 2410 \ | |
| 2411 JNI_ENTRY(ResultType, \ | |
| 2412 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2413 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2414 \ | |
| 2415 EntryProbe; \ | |
| 2416 ResultType ret = 0;\ | |
| 2417 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2418 (const ResultType&)ret);\ | |
| 2419 \ | |
| 2420 JavaValue jvalue(Tag); \ | |
| 2421 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2422 /* Make sure class is initialized before trying to invoke its method */ \ | |
| 2423 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls))); \ | |
| 2424 Klass::cast(k())->initialize(CHECK_0); \ | |
| 2425 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2426 va_end(args); \ | |
| 2427 ret = jvalue.get_##ResultType(); \ | |
| 2428 return ret;\ | |
| 2429 JNI_END | |
| 2430 | |
| 2431 // the runtime type of subword integral basic types is integer | |
| 2432 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2433 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2434 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2435 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2436 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2437 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2438 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2439 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2440 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2441 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2442 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2443 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2444 | |
| 2445 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2446 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2447 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2448 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2449 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2450 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2451 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2452 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2453 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2454 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2455 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2456 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2457 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2458 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2459 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2460 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2461 | |
| 2462 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2463 , EntryProbe, ResultProbe) \ | |
| 2464 \ | |
| 2465 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2466 , ResultProbe); \ | |
| 2467 \ | |
| 2468 JNI_ENTRY(ResultType, \ | |
| 2469 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2470 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2471 \ | |
| 2472 EntryProbe; \ | |
| 2473 ResultType ret = 0;\ | |
| 2474 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2475 (const ResultType&)ret);\ | |
| 2476 \ | |
| 2477 JavaValue jvalue(Tag); \ | |
| 2478 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2479 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2480 ret = jvalue.get_##ResultType(); \ | |
| 2481 return ret;\ | |
| 2482 JNI_END | |
| 2483 | |
| 2484 // the runtime type of subword integral basic types is integer | |
| 2485 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2486 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2487 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2488 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2489 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2490 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2491 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2492 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2493 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2494 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2495 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2496 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2497 | |
| 2498 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2499 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2500 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2501 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2502 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2503 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2504 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2505 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2506 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2507 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2508 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2509 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2510 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2511 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2512 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2513 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2514 | |
| 2515 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2516 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2517 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2518 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2519 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2520 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2521 #endif /* USDT2 */ | |
| 2522 | |
| 0 | 2523 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2524 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2525 #ifndef USDT2 |
| 0 | 2526 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2527 #else /* USDT2 */ |
| 2528 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2529 env, cls, (uintptr_t) methodID); | |
| 2530 #endif /* USDT2 */ | |
| 0 | 2531 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2532 | |
| 2533 va_list args; | |
| 2534 va_start(args, methodID); | |
| 2535 JavaValue jvalue(T_VOID); | |
|
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|
2536 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2537 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2538 va_end(args); | |
| 2539 JNI_END | |
| 2540 | |
| 2541 | |
| 2542 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2543 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2544 #ifndef USDT2 |
| 0 | 2545 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2546 #else /* USDT2 */ |
| 2547 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2548 env, cls, (uintptr_t) methodID); | |
| 2549 #endif /* USDT2 */ | |
| 0 | 2550 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2551 | |
| 2552 JavaValue jvalue(T_VOID); | |
|
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2553 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2554 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2555 JNI_END | |
| 2556 | |
| 2557 | |
| 2558 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2559 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2560 #ifndef USDT2 |
| 0 | 2561 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2562 #else /* USDT2 */ |
| 2563 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2564 env, cls, (uintptr_t) methodID); | |
| 2565 #endif /* USDT2 */ | |
| 0 | 2566 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2567 | |
| 2568 JavaValue jvalue(T_VOID); | |
|
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2569 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2570 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2571 JNI_END | |
| 2572 | |
| 2573 | |
| 2574 // | |
| 2575 // Accessing Fields | |
| 2576 // | |
| 2577 | |
| 2578 | |
| 4006 | 2579 #ifndef USDT2 |
| 0 | 2580 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2581 #else /* USDT2 */ |
| 2582 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2583 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2584 #endif /* USDT2 */ | |
| 0 | 2585 |
| 2586 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2587 const char *name, const char *sig)) | |
| 2588 JNIWrapper("GetFieldID"); | |
| 4006 | 2589 #ifndef USDT2 |
| 0 | 2590 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2591 #else /* USDT2 */ |
| 2592 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2593 env, clazz, (char *) name, (char *) sig); | |
| 2594 #endif /* USDT2 */ | |
| 0 | 2595 jfieldID ret = 0; |
| 2596 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2597 | |
| 2598 // The class should have been loaded (we have an instance of the class | |
| 2599 // passed in) so the field and signature should already be in the symbol | |
| 2600 // table. If they're not there, the field doesn't exist. | |
|
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2601 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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|
2602 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2603 if (fieldname == NULL || signame == NULL) { |
| 0 | 2604 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2605 } | |
| 2606 KlassHandle k(THREAD, | |
| 2607 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 2608 // Make sure class is initialized before handing id's out to fields | |
| 2609 Klass::cast(k())->initialize(CHECK_NULL); | |
| 2610 | |
| 2611 fieldDescriptor fd; | |
| 2612 if (!Klass::cast(k())->oop_is_instance() || | |
|
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2613 !instanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2614 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2615 } | |
| 2616 | |
| 2617 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2618 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2619 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2620 return ret; | |
| 2621 JNI_END | |
| 2622 | |
| 2623 | |
| 2624 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2625 JNIWrapper("GetObjectField"); | |
| 4006 | 2626 #ifndef USDT2 |
| 0 | 2627 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2628 #else /* USDT2 */ |
| 2629 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2630 env, obj, (uintptr_t) fieldID); | |
| 2631 #endif /* USDT2 */ | |
| 0 | 2632 oop o = JNIHandles::resolve_non_null(obj); |
| 2633 klassOop k = o->klass(); | |
| 2634 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2635 // Keep JVMTI addition small and only check enabled flag here. | |
| 2636 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2637 if (JvmtiExport::should_post_field_access()) { | |
| 2638 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2639 } | |
| 2640 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
3249
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|
2641 #ifndef SERIALGC |
|
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|
2642 // If G1 is enabled and we are accessing the value of the referent |
|
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|
2643 // field in a reference object then we need to register a non-null |
|
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|
2644 // referent with the SATB barrier. |
|
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|
2645 if (UseG1GC) { |
|
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|
2646 bool needs_barrier = false; |
|
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|
2647 |
|
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|
2648 if (ret != NULL && |
|
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|
2649 offset == java_lang_ref_Reference::referent_offset && |
|
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|
2650 instanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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|
2651 assert(instanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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|
2652 needs_barrier = true; |
|
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|
2653 } |
|
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|
2654 |
|
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|
2655 if (needs_barrier) { |
|
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|
2656 oop referent = JNIHandles::resolve(ret); |
|
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|
2657 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2658 } |
|
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|
2659 } |
|
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|
2660 #endif // SERIALGC |
| 4006 | 2661 #ifndef USDT2 |
| 0 | 2662 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2663 #else /* USDT2 */ |
| 2664 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2665 ret); | |
| 2666 #endif /* USDT2 */ | |
| 0 | 2667 return ret; |
| 2668 JNI_END | |
| 2669 | |
| 2670 | |
| 4006 | 2671 #ifndef USDT2 |
| 0 | 2672 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2673 \ | |
| 2674 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2675 \ | |
| 2676 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2677 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2678 \ | |
| 2679 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2680 Return ret = 0;\ | |
| 2681 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2682 \ | |
| 2683 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2684 klassOop k = o->klass(); \ | |
| 2685 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2686 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2687 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2688 /* and creates a ResetNoHandleMark. */ \ | |
| 2689 if (JvmtiExport::should_post_field_access()) { \ | |
| 2690 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2691 } \ | |
| 2692 ret = o->Fieldname##_field(offset); \ | |
| 2693 return ret; \ | |
| 2694 JNI_END | |
| 2695 | |
| 2696 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2697 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2698 DEFINE_GETFIELD(jchar, char, Char) | |
| 2699 DEFINE_GETFIELD(jshort, short, Short) | |
| 2700 DEFINE_GETFIELD(jint, int, Int) | |
| 2701 DEFINE_GETFIELD(jlong, long, Long) | |
| 2702 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2703 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2704 | |
| 4006 | 2705 #else /* USDT2 */ |
| 2706 | |
| 2707 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2708 , EntryProbe, ReturnProbe) \ | |
| 2709 \ | |
| 2710 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2711 , ReturnProbe); \ | |
| 2712 \ | |
| 2713 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2714 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2715 \ | |
| 2716 EntryProbe; \ | |
| 2717 Return ret = 0;\ | |
| 2718 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2719 \ | |
| 2720 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2721 klassOop k = o->klass(); \ | |
| 2722 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2723 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2724 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2725 /* and creates a ResetNoHandleMark. */ \ | |
| 2726 if (JvmtiExport::should_post_field_access()) { \ | |
| 2727 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2728 } \ | |
| 2729 ret = o->Fieldname##_field(offset); \ | |
| 2730 return ret; \ | |
| 2731 JNI_END | |
| 2732 | |
| 2733 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2734 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2735 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2736 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2737 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2738 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2739 DEFINE_GETFIELD(jchar, char, Char | |
| 2740 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2741 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2742 DEFINE_GETFIELD(jshort, short, Short | |
| 2743 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2744 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2745 DEFINE_GETFIELD(jint, int, Int | |
| 2746 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2747 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2748 DEFINE_GETFIELD(jlong, long, Long | |
| 2749 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2750 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2751 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2752 DEFINE_GETFIELD(jfloat, float, Float | |
| 2753 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2754 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2755 DEFINE_GETFIELD(jdouble, double, Double | |
| 2756 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2757 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2758 #endif /* USDT2 */ | |
| 2759 | |
| 0 | 2760 address jni_GetBooleanField_addr() { |
| 2761 return (address)jni_GetBooleanField; | |
| 2762 } | |
| 2763 address jni_GetByteField_addr() { | |
| 2764 return (address)jni_GetByteField; | |
| 2765 } | |
| 2766 address jni_GetCharField_addr() { | |
| 2767 return (address)jni_GetCharField; | |
| 2768 } | |
| 2769 address jni_GetShortField_addr() { | |
| 2770 return (address)jni_GetShortField; | |
| 2771 } | |
| 2772 address jni_GetIntField_addr() { | |
| 2773 return (address)jni_GetIntField; | |
| 2774 } | |
| 2775 address jni_GetLongField_addr() { | |
| 2776 return (address)jni_GetLongField; | |
| 2777 } | |
| 2778 address jni_GetFloatField_addr() { | |
| 2779 return (address)jni_GetFloatField; | |
| 2780 } | |
| 2781 address jni_GetDoubleField_addr() { | |
| 2782 return (address)jni_GetDoubleField; | |
| 2783 } | |
| 2784 | |
| 2785 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2786 JNIWrapper("SetObjectField"); | |
| 4006 | 2787 #ifndef USDT2 |
| 0 | 2788 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2789 #else /* USDT2 */ |
| 2790 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2791 env, obj, (uintptr_t) fieldID, value); | |
| 2792 #endif /* USDT2 */ | |
| 0 | 2793 oop o = JNIHandles::resolve_non_null(obj); |
| 2794 klassOop k = o->klass(); | |
| 2795 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2796 // Keep JVMTI addition small and only check enabled flag here. | |
| 2797 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2798 // and creates a ResetNoHandleMark. | |
| 2799 if (JvmtiExport::should_post_field_modification()) { | |
| 2800 jvalue field_value; | |
| 2801 field_value.l = value; | |
| 2802 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2803 } | |
| 2804 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2805 #ifndef USDT2 |
| 0 | 2806 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2807 #else /* USDT2 */ |
| 2808 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2809 ); | |
| 2810 #endif /* USDT2 */ | |
| 0 | 2811 JNI_END |
| 2812 | |
| 4006 | 2813 #ifndef USDT2 |
| 0 | 2814 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2815 \ | |
| 2816 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2817 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2818 \ | |
| 2819 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, Set##Result##Field__entry, \ | |
| 2820 ( JNIEnv*, jobject, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
| 2821 HS_DTRACE_PROBE_N(hotspot_jni, Set##Result##Field__entry, \ | |
| 2822 ( env, obj, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
| 2823 \ | |
| 2824 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2825 klassOop k = o->klass(); \ | |
| 2826 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2827 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2828 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2829 /* and creates a ResetNoHandleMark. */ \ | |
| 2830 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2831 jvalue field_value; \ | |
| 2832 field_value.unionType = value; \ | |
| 2833 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2834 } \ | |
| 2835 o->Fieldname##_field_put(offset, value); \ | |
| 2836 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2837 JNI_END | |
| 2838 | |
| 2839 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2840 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2841 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2842 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2843 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2844 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2845 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2846 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2847 | |
| 4006 | 2848 #else /* USDT2 */ |
| 2849 | |
| 2850 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2851 , EntryProbe, ReturnProbe) \ | |
| 2852 \ | |
| 2853 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2854 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2855 \ | |
| 2856 EntryProbe; \ | |
| 2857 \ | |
| 2858 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2859 klassOop k = o->klass(); \ | |
| 2860 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2861 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2862 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2863 /* and creates a ResetNoHandleMark. */ \ | |
| 2864 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2865 jvalue field_value; \ | |
| 2866 field_value.unionType = value; \ | |
| 2867 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2868 } \ | |
| 2869 o->Fieldname##_field_put(offset, value); \ | |
| 2870 ReturnProbe; \ | |
| 2871 JNI_END | |
| 2872 | |
| 2873 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2874 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2875 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2876 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2877 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2878 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2879 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2880 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2881 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2882 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2883 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2884 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2885 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2886 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2887 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2888 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2889 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2890 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2891 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2892 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2893 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2894 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2895 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2896 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2897 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2898 #endif /* USDT2 */ | |
| 2899 | |
| 2900 #ifndef USDT2 | |
| 0 | 2901 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2902 #else /* USDT2 */ |
| 2903 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2904 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2905 #endif /* USDT2 */ | |
| 0 | 2906 |
| 2907 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2908 JNIWrapper("ToReflectedField"); | |
| 4006 | 2909 #ifndef USDT2 |
| 0 | 2910 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2911 env, cls, fieldID, isStatic); | |
| 4006 | 2912 #else /* USDT2 */ |
| 2913 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2914 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2915 #endif /* USDT2 */ | |
| 0 | 2916 jobject ret = NULL; |
| 2917 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2918 | |
| 2919 fieldDescriptor fd; | |
| 2920 bool found = false; | |
| 2921 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls)); | |
| 2922 | |
| 2923 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2924 | |
| 2925 if (isStatic) { | |
| 2926 // Static field. The fieldID a JNIid specifying the field holder and the offset within the klassOop. | |
| 2927 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
| 2928 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
|
2929 found = id->find_local_field(&fd); |
| 0 | 2930 } else { |
| 2931 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2932 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2933 found = instanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); | |
| 2934 } | |
| 2935 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2936 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2937 ret = JNIHandles::make_local(env, reflected); | |
| 2938 return ret; | |
| 2939 JNI_END | |
| 2940 | |
| 2941 | |
| 2942 // | |
| 2943 // Accessing Static Fields | |
| 2944 // | |
| 4006 | 2945 #ifndef USDT2 |
| 0 | 2946 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2947 #else /* USDT2 */ |
| 2948 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2949 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2950 #endif /* USDT2 */ | |
| 0 | 2951 |
| 2952 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2953 const char *name, const char *sig)) | |
| 2954 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2955 #ifndef USDT2 |
| 0 | 2956 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2957 #else /* USDT2 */ |
| 2958 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2959 env, clazz, (char *) name, (char *) sig); | |
| 2960 #endif /* USDT2 */ | |
| 0 | 2961 jfieldID ret = NULL; |
| 2962 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2963 | |
| 2964 // The class should have been loaded (we have an instance of the class | |
| 2965 // passed in) so the field and signature should already be in the symbol | |
| 2966 // table. If they're not there, the field doesn't exist. | |
|
2177
3582bf76420e
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coleenp
parents:
1989
diff
changeset
|
2967 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2968 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2969 if (fieldname == NULL || signame == NULL) { |
| 0 | 2970 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2971 } | |
| 2972 KlassHandle k(THREAD, | |
| 2973 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 2974 // Make sure class is initialized before handing id's out to static fields | |
| 2975 Klass::cast(k())->initialize(CHECK_NULL); | |
| 2976 | |
| 2977 fieldDescriptor fd; | |
| 2978 if (!Klass::cast(k())->oop_is_instance() || | |
|
2177
3582bf76420e
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coleenp
parents:
1989
diff
changeset
|
2979 !instanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2980 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2981 } | |
| 2982 | |
| 2983 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
| 2984 JNIid* id = instanceKlass::cast(fd.field_holder())->jni_id_for(fd.offset()); | |
| 2985 debug_only(id->set_is_static_field_id();) | |
| 2986 | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
2987 debug_only(id->verify(fd.field_holder())); |
| 0 | 2988 |
| 2989 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2990 return ret; | |
| 2991 JNI_END | |
| 2992 | |
| 2993 | |
| 2994 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2995 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2996 #ifndef USDT2 |
| 0 | 2997 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2998 #else /* USDT2 */ |
| 2999 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 3000 env, clazz, (uintptr_t) fieldID); | |
| 3001 #endif /* USDT2 */ | |
| 0 | 3002 #ifndef JNICHECK_KERNEL |
| 3003 DEBUG_ONLY(klassOop param_k = jniCheck::validate_class(thread, clazz);) | |
| 3004 #endif // JNICHECK_KERNEL | |
| 3005 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
| 3006 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3007 // Keep JVMTI addition small and only check enabled flag here. | |
| 3008 // jni_GetField_probe() assumes that is okay to create handles. | |
| 3009 if (JvmtiExport::should_post_field_access()) { | |
| 3010 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 3011 } | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3012 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 3013 #ifndef USDT2 |
| 0 | 3014 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 3015 #else /* USDT2 */ |
| 3016 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 3017 ret); | |
| 3018 #endif /* USDT2 */ | |
| 0 | 3019 return ret; |
| 3020 JNI_END | |
| 3021 | |
| 4006 | 3022 #ifndef USDT2 |
| 0 | 3023 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3024 \ | |
| 3025 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3026 \ | |
| 3027 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3028 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3029 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3030 Return ret = 0;\ | |
| 3031 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3032 (const Return&)ret);\ | |
| 3033 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3034 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3035 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3036 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3037 if (JvmtiExport::should_post_field_access()) { \ | |
| 3038 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3039 } \ | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3040 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3041 return ret;\ |
| 3042 JNI_END | |
| 3043 | |
| 3044 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3045 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3046 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3047 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3048 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3049 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3050 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3051 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3052 | |
| 4006 | 3053 #else /* USDT2 */ |
| 3054 | |
| 3055 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3056 , EntryProbe, ReturnProbe) \ | |
| 3057 \ | |
| 3058 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3059 , ReturnProbe); \ | |
| 3060 \ | |
| 3061 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3062 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3063 EntryProbe; \ | |
| 3064 Return ret = 0;\ | |
| 3065 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3066 (const Return&)ret);\ | |
| 3067 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3068 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3069 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3070 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3071 if (JvmtiExport::should_post_field_access()) { \ | |
| 3072 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3073 } \ | |
| 3074 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3075 return ret;\ | |
| 3076 JNI_END | |
| 3077 | |
| 3078 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3079 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3080 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3081 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3082 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3083 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3084 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3085 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3086 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3087 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3088 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3089 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3090 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3091 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3092 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3093 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3094 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3095 #endif /* USDT2 */ | |
| 0 | 3096 |
| 3097 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3098 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3099 #ifndef USDT2 |
| 0 | 3100 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3101 #else /* USDT2 */ |
| 3102 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3103 env, clazz, (uintptr_t) fieldID, value); | |
| 3104 #endif /* USDT2 */ | |
| 0 | 3105 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3106 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3107 // Keep JVMTI addition small and only check enabled flag here. | |
| 3108 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3109 if (JvmtiExport::should_post_field_modification()) { | |
| 3110 jvalue field_value; | |
| 3111 field_value.l = value; | |
| 3112 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3113 } | |
|
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diff
changeset
|
3114 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3115 #ifndef USDT2 |
| 0 | 3116 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3117 #else /* USDT2 */ |
| 3118 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3119 ); | |
| 3120 #endif /* USDT2 */ | |
| 0 | 3121 JNI_END |
| 3122 | |
| 3123 | |
| 4006 | 3124 #ifndef USDT2 |
| 0 | 3125 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3126 \ | |
| 3127 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3128 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3129 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, SetStatic##Result##Field__entry,\ | |
| 3130 ( JNIEnv*, jclass, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
| 3131 HS_DTRACE_PROBE_N(hotspot_jni, SetStatic##Result##Field__entry, \ | |
| 3132 ( env, clazz, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
| 3133 \ | |
| 3134 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3135 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3136 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3137 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3138 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3139 jvalue field_value; \ | |
| 3140 field_value.unionType = value; \ | |
| 3141 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3142 } \ | |
|
2376
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parents:
2177
diff
changeset
|
3143 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3144 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3145 JNI_END | |
| 3146 | |
| 3147 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3148 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3149 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3150 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3151 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3152 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3153 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3154 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3155 | |
| 4006 | 3156 #else /* USDT2 */ |
| 3157 | |
| 3158 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3159 , EntryProbe, ReturnProbe) \ | |
| 3160 \ | |
| 3161 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3162 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3163 EntryProbe; \ | |
| 3164 \ | |
| 3165 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3166 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3167 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3168 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3169 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3170 jvalue field_value; \ | |
| 3171 field_value.unionType = value; \ | |
| 3172 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3173 } \ | |
| 3174 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3175 ReturnProbe;\ | |
| 3176 JNI_END | |
| 3177 | |
| 3178 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3179 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3180 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3181 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3182 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3183 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3184 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3185 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3186 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3187 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3188 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3189 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3190 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3191 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3192 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3193 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3194 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3195 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3196 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3197 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3198 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3199 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3200 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3201 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3202 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3203 #endif /* USDT2 */ | |
| 0 | 3204 |
| 3205 // | |
| 3206 // String Operations | |
| 3207 // | |
| 3208 | |
| 3209 // Unicode Interface | |
| 3210 | |
| 4006 | 3211 #ifndef USDT2 |
| 0 | 3212 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3213 #else /* USDT2 */ |
| 3214 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3215 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3216 #endif /* USDT2 */ | |
| 0 | 3217 |
| 3218 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3219 JNIWrapper("NewString"); | |
| 4006 | 3220 #ifndef USDT2 |
| 0 | 3221 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3222 #else /* USDT2 */ |
| 3223 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3224 env, (uint16_t *) unicodeChars, len); | |
| 3225 #endif /* USDT2 */ | |
| 0 | 3226 jstring ret = NULL; |
| 3227 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3228 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3229 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3230 return ret; | |
| 3231 JNI_END | |
| 3232 | |
| 3233 | |
| 3234 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3235 JNIWrapper("GetStringLength"); | |
| 4006 | 3236 #ifndef USDT2 |
| 0 | 3237 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3238 #else /* USDT2 */ |
| 3239 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3240 env, string); | |
| 3241 #endif /* USDT2 */ | |
| 0 | 3242 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3243 #ifndef USDT2 |
| 0 | 3244 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3245 #else /* USDT2 */ |
| 3246 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3247 ret); | |
| 3248 #endif /* USDT2 */ | |
| 0 | 3249 return ret; |
| 3250 JNI_END | |
| 3251 | |
| 3252 | |
| 3253 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3254 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3255 JNIWrapper("GetStringChars"); | |
| 4006 | 3256 #ifndef USDT2 |
| 0 | 3257 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3258 #else /* USDT2 */ |
| 3259 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3260 env, string, (uintptr_t *) isCopy); | |
| 3261 #endif /* USDT2 */ | |
| 0 | 3262 //%note jni_5 |
| 3263 if (isCopy != NULL) { | |
| 3264 *isCopy = JNI_TRUE; | |
| 3265 } | |
| 3266 oop s = JNIHandles::resolve_non_null(string); | |
| 3267 int s_len = java_lang_String::length(s); | |
| 3268 typeArrayOop s_value = java_lang_String::value(s); | |
| 3269 int s_offset = java_lang_String::offset(s); | |
| 3270 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1); // add one for zero termination | |
| 3271 if (s_len > 0) { | |
| 3272 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
| 3273 } | |
| 3274 buf[s_len] = 0; | |
| 4006 | 3275 #ifndef USDT2 |
| 0 | 3276 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3277 #else /* USDT2 */ |
| 3278 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3279 buf); | |
| 3280 #endif /* USDT2 */ | |
| 0 | 3281 return buf; |
| 3282 JNI_END | |
| 3283 | |
| 3284 | |
| 3285 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3286 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3287 #ifndef USDT2 |
| 0 | 3288 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3289 #else /* USDT2 */ |
| 3290 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3291 env, str, (uint16_t *) chars); | |
| 3292 #endif /* USDT2 */ | |
| 0 | 3293 //%note jni_6 |
| 3294 if (chars != NULL) { | |
| 3295 // Since String objects are supposed to be immutable, don't copy any | |
| 3296 // new data back. A bad user will have to go after the char array. | |
| 3297 FreeHeap((void*) chars); | |
| 3298 } | |
| 4006 | 3299 #ifndef USDT2 |
| 0 | 3300 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3301 #else /* USDT2 */ |
| 3302 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3303 ); | |
| 3304 #endif /* USDT2 */ | |
| 0 | 3305 JNI_END |
| 3306 | |
| 3307 | |
| 3308 // UTF Interface | |
| 3309 | |
| 4006 | 3310 #ifndef USDT2 |
| 0 | 3311 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3312 #else /* USDT2 */ |
| 3313 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3314 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3315 #endif /* USDT2 */ | |
| 0 | 3316 |
| 3317 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3318 JNIWrapper("NewStringUTF"); | |
| 4006 | 3319 #ifndef USDT2 |
| 0 | 3320 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3321 #else /* USDT2 */ |
| 3322 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3323 env, (char *) bytes); | |
| 3324 #endif /* USDT2 */ | |
| 0 | 3325 jstring ret; |
| 3326 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3327 | |
| 3328 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3329 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3330 return ret; | |
| 3331 JNI_END | |
| 3332 | |
| 3333 | |
| 3334 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3335 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3336 #ifndef USDT2 |
| 0 | 3337 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3338 #else /* USDT2 */ |
| 3339 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3340 env, string); | |
| 3341 #endif /* USDT2 */ | |
| 0 | 3342 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3343 #ifndef USDT2 |
| 0 | 3344 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3345 #else /* USDT2 */ |
| 3346 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3347 ret); | |
| 3348 #endif /* USDT2 */ | |
| 0 | 3349 return ret; |
| 3350 JNI_END | |
| 3351 | |
| 3352 | |
| 3353 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3354 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3355 #ifndef USDT2 |
| 0 | 3356 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3357 #else /* USDT2 */ |
| 3358 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3359 env, string, (uintptr_t *) isCopy); | |
| 3360 #endif /* USDT2 */ | |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3361 oop java_string = JNIHandles::resolve_non_null(string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3362 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
|
3363 char* result = AllocateHeap(length + 1, "GetStringUTFChars"); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3364 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
| 0 | 3365 if (isCopy != NULL) *isCopy = JNI_TRUE; |
| 4006 | 3366 #ifndef USDT2 |
| 0 | 3367 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3368 #else /* USDT2 */ |
| 3369 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3370 result); | |
| 3371 #endif /* USDT2 */ | |
| 0 | 3372 return result; |
| 3373 JNI_END | |
| 3374 | |
| 3375 | |
| 3376 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3377 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3378 #ifndef USDT2 |
| 0 | 3379 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3380 #else /* USDT2 */ |
| 3381 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3382 env, str, (char *) chars); | |
| 3383 #endif /* USDT2 */ | |
| 0 | 3384 if (chars != NULL) { |
| 3385 FreeHeap((char*) chars); | |
| 3386 } | |
| 4006 | 3387 #ifndef USDT2 |
| 0 | 3388 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3389 #else /* USDT2 */ |
| 3390 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3391 ); | |
| 3392 #endif /* USDT2 */ | |
| 0 | 3393 JNI_END |
| 3394 | |
| 3395 | |
| 3396 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3397 JNIWrapper("GetArrayLength"); | |
| 4006 | 3398 #ifndef USDT2 |
| 0 | 3399 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3400 #else /* USDT2 */ |
| 3401 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3402 env, array); | |
| 3403 #endif /* USDT2 */ | |
| 0 | 3404 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3405 assert(a->is_array(), "must be array"); | |
| 3406 jsize ret = a->length(); | |
| 4006 | 3407 #ifndef USDT2 |
| 0 | 3408 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3409 #else /* USDT2 */ |
| 3410 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3411 ret); | |
| 3412 #endif /* USDT2 */ | |
| 0 | 3413 return ret; |
| 3414 JNI_END | |
| 3415 | |
| 3416 | |
| 3417 // | |
| 3418 // Object Array Operations | |
| 3419 // | |
| 3420 | |
| 4006 | 3421 #ifndef USDT2 |
| 0 | 3422 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3423 #else /* USDT2 */ |
| 3424 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3425 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3426 #endif /* USDT2 */ | |
| 0 | 3427 |
| 3428 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3429 JNIWrapper("NewObjectArray"); | |
| 4006 | 3430 #ifndef USDT2 |
| 0 | 3431 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3432 #else /* USDT2 */ |
| 3433 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3434 env, length, elementClass, initialElement); | |
| 3435 #endif /* USDT2 */ | |
| 0 | 3436 jobjectArray ret = NULL; |
| 3437 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
| 3438 KlassHandle ek(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(elementClass))); | |
| 3439 klassOop ako = Klass::cast(ek())->array_klass(CHECK_NULL); | |
| 3440 KlassHandle ak = KlassHandle(THREAD, ako); | |
| 3441 objArrayKlass::cast(ak())->initialize(CHECK_NULL); | |
| 3442 objArrayOop result = objArrayKlass::cast(ak())->allocate(length, CHECK_NULL); | |
| 3443 oop initial_value = JNIHandles::resolve(initialElement); | |
| 3444 if (initial_value != NULL) { // array already initialized with NULL | |
| 3445 for (int index = 0; index < length; index++) { | |
| 3446 result->obj_at_put(index, initial_value); | |
| 3447 } | |
| 3448 } | |
| 3449 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3450 return ret; | |
| 3451 JNI_END | |
| 3452 | |
| 4006 | 3453 #ifndef USDT2 |
| 0 | 3454 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3455 #else /* USDT2 */ |
| 3456 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3457 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3458 #endif /* USDT2 */ | |
| 0 | 3459 |
| 3460 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3461 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3462 #ifndef USDT2 |
| 0 | 3463 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3464 #else /* USDT2 */ |
| 3465 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3466 env, array, index); | |
| 3467 #endif /* USDT2 */ | |
| 0 | 3468 jobject ret = NULL; |
| 3469 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3470 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3471 if (a->is_within_bounds(index)) { | |
|
1034
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kamg
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973
diff
changeset
|
3472 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3473 return ret; |
| 3474 } else { | |
| 3475 char buf[jintAsStringSize]; | |
| 3476 sprintf(buf, "%d", index); | |
| 3477 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3478 } | |
| 3479 JNI_END | |
| 3480 | |
| 4006 | 3481 #ifndef USDT2 |
| 0 | 3482 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3483 #else /* USDT2 */ |
| 3484 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3485 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3486 #endif /* USDT2 */ | |
| 0 | 3487 |
| 3488 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3489 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3490 #ifndef USDT2 |
| 0 | 3491 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3492 #else /* USDT2 */ |
| 3493 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3494 env, array, index, value); | |
| 3495 #endif /* USDT2 */ | |
| 0 | 3496 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3497 | |
| 3498 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3499 oop v = JNIHandles::resolve(value); | |
| 3500 if (a->is_within_bounds(index)) { | |
| 3501 if (v == NULL || v->is_a(objArrayKlass::cast(a->klass())->element_klass())) { | |
| 3502 a->obj_at_put(index, v); | |
| 3503 } else { | |
| 3504 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3505 } | |
| 3506 } else { | |
| 3507 char buf[jintAsStringSize]; | |
| 3508 sprintf(buf, "%d", index); | |
| 3509 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3510 } | |
| 3511 JNI_END | |
| 3512 | |
| 3513 | |
| 4006 | 3514 #ifndef USDT2 |
| 0 | 3515 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3516 \ | |
| 4006 | 3517 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3518 \ |
| 3519 JNI_ENTRY(Return, \ | |
| 3520 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3521 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3522 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3523 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
|
3524 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3525 \ |
| 3526 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3527 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3528 return ret;\ | |
| 3529 JNI_END | |
| 3530 | |
| 3531 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3532 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3533 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3534 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3535 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3536 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3537 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3538 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3539 | |
| 4006 | 3540 #else /* USDT2 */ |
| 3541 | |
| 3542 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3543 ,EntryProbe,ReturnProbe) \ | |
| 3544 \ | |
| 3545 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3546 , ReturnProbe); \ | |
| 3547 \ | |
| 3548 JNI_ENTRY(Return, \ | |
| 3549 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3550 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3551 EntryProbe; \ | |
| 3552 Return ret = NULL;\ | |
| 3553 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3554 \ | |
| 3555 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3556 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3557 return ret;\ | |
| 3558 JNI_END | |
| 3559 | |
| 3560 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3561 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3562 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3563 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3564 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3565 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3566 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3567 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3568 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3569 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3570 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3571 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3572 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3573 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3574 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3575 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3576 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3577 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3578 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3579 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3580 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3581 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3582 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3583 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3584 #endif /* USDT2 */ | |
| 0 | 3585 |
| 3586 // Return an address which will fault if the caller writes to it. | |
| 3587 | |
| 3588 static char* get_bad_address() { | |
| 3589 static char* bad_address = NULL; | |
| 3590 if (bad_address == NULL) { | |
| 3591 size_t size = os::vm_allocation_granularity(); | |
| 3592 bad_address = os::reserve_memory(size); | |
| 3593 if (bad_address != NULL) { | |
|
477
24fda36852ce
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coleenp
parents:
237
diff
changeset
|
3594 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
24fda36852ce
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237
diff
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|
3595 /*is_committed*/false); |
| 0 | 3596 } |
| 3597 } | |
| 3598 return bad_address; | |
| 3599 } | |
| 3600 | |
| 3601 | |
| 4006 | 3602 #ifndef USDT2 |
| 0 | 3603 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3604 \ | |
| 3605 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3606 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3607 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3608 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3609 /* allocate an chunk of memory in c land */ \ | |
| 3610 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3611 ElementType* result; \ | |
| 3612 int len = a->length(); \ | |
| 3613 if (len == 0) { \ | |
| 3614 /* Empty array: legal but useless, can't return NULL. \ | |
| 3615 * Return a pointer to something useless. \ | |
| 3616 * Avoid asserts in typeArrayOop. */ \ | |
| 3617 result = (ElementType*)get_bad_address(); \ | |
| 3618 } else { \ | |
| 3619 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
| 3620 /* copy the array to the c chunk */ \ | |
| 3621 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3622 } \ | |
| 3623 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3624 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3625 return result; \ | |
| 3626 JNI_END | |
| 3627 | |
| 3628 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3629 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3630 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3631 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3632 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3633 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3634 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3635 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3636 | |
| 4006 | 3637 #else /* USDT2 */ |
| 3638 | |
| 3639 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3640 , EntryProbe, ReturnProbe) \ | |
| 3641 \ | |
| 3642 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3643 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3644 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3645 EntryProbe; \ | |
| 3646 /* allocate an chunk of memory in c land */ \ | |
| 3647 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3648 ElementType* result; \ | |
| 3649 int len = a->length(); \ | |
| 3650 if (len == 0) { \ | |
| 3651 /* Empty array: legal but useless, can't return NULL. \ | |
| 3652 * Return a pointer to something useless. \ | |
| 3653 * Avoid asserts in typeArrayOop. */ \ | |
| 3654 result = (ElementType*)get_bad_address(); \ | |
| 3655 } else { \ | |
| 3656 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
| 3657 /* copy the array to the c chunk */ \ | |
| 3658 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3659 } \ | |
| 3660 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3661 ReturnProbe; \ | |
| 3662 return result; \ | |
| 3663 JNI_END | |
| 3664 | |
| 3665 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3666 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3667 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3668 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3669 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3670 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3671 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3672 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3673 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3674 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3675 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3676 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3677 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3678 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3679 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3680 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3681 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3682 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3683 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3684 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3685 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3686 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3687 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3688 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3689 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3690 #endif /* USDT2 */ | |
| 3691 | |
| 3692 #ifndef USDT2 | |
| 0 | 3693 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3694 \ | |
| 3695 JNI_QUICK_ENTRY(void, \ | |
| 3696 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3697 ElementType *buf, jint mode)) \ | |
| 3698 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3699 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3700 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3701 int len = a->length(); \ | |
| 3702 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3703 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3704 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3705 } \ | |
| 3706 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3707 FreeHeap(buf); \ | |
| 3708 } \ | |
| 3709 } \ | |
| 3710 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3711 JNI_END | |
| 3712 | |
| 3713 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3714 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3721 | |
| 4006 | 3722 #else /* USDT2 */ |
| 3723 | |
| 3724 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3725 , EntryProbe, ReturnProbe);\ | |
| 3726 \ | |
| 3727 JNI_QUICK_ENTRY(void, \ | |
| 3728 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3729 ElementType *buf, jint mode)) \ | |
| 3730 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3731 EntryProbe; \ | |
| 3732 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3733 int len = a->length(); \ | |
| 3734 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3735 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3736 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3737 } \ | |
| 3738 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3739 FreeHeap(buf); \ | |
| 3740 } \ | |
| 3741 } \ | |
| 3742 ReturnProbe; \ | |
| 3743 JNI_END | |
| 3744 | |
| 3745 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3746 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3747 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3748 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3749 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3750 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3751 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3752 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3753 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3754 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3755 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3756 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3757 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3758 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3759 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3760 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3761 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3762 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3763 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3764 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3765 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3766 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3767 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3768 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3769 #endif /* USDT2 */ | |
| 3770 | |
| 3771 #ifndef USDT2 | |
| 0 | 3772 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3773 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3774 \ | |
| 3775 JNI_ENTRY(void, \ | |
| 3776 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3777 jsize len, ElementType *buf)) \ | |
| 3778 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3779 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3780 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3781 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3782 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3783 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3784 } else { \ | |
| 3785 if (len > 0) { \ | |
| 3786 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
| 3787 memcpy((u_char*) buf, \ | |
| 3788 (u_char*) src->Tag##_at_addr(start), \ | |
| 3789 len << sc); \ | |
| 3790 } \ | |
| 3791 } \ | |
| 3792 JNI_END | |
| 3793 | |
| 3794 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3795 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3796 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3797 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3798 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3799 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3800 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3801 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3802 | |
| 4006 | 3803 #else /* USDT2 */ |
| 3804 | |
| 3805 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3806 , EntryProbe, ReturnProbe); \ | |
| 3807 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3808 , ReturnProbe); \ | |
| 3809 \ | |
| 3810 JNI_ENTRY(void, \ | |
| 3811 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3812 jsize len, ElementType *buf)) \ | |
| 3813 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3814 EntryProbe; \ | |
| 3815 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3816 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3817 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3818 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3819 } else { \ | |
| 3820 if (len > 0) { \ | |
| 3821 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
| 3822 memcpy((u_char*) buf, \ | |
| 3823 (u_char*) src->Tag##_at_addr(start), \ | |
| 3824 len << sc); \ | |
| 3825 } \ | |
| 3826 } \ | |
| 3827 JNI_END | |
| 3828 | |
| 3829 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3830 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3831 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3832 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3833 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3834 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3835 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3836 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3837 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3838 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3839 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3840 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3841 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3842 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3843 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3844 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3845 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3846 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3847 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3848 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3849 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3850 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3851 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3852 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3853 #endif /* USDT2 */ | |
| 3854 | |
| 3855 #ifndef USDT2 | |
| 0 | 3856 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3857 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3858 \ | |
| 3859 JNI_ENTRY(void, \ | |
| 3860 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3861 jsize len, const ElementType *buf)) \ | |
| 3862 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3863 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3864 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3865 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3866 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3867 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3868 } else { \ | |
| 3869 if (len > 0) { \ | |
| 3870 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
| 3871 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
| 3872 (u_char*) buf, \ | |
| 3873 len << sc); \ | |
| 3874 } \ | |
| 3875 } \ | |
| 3876 JNI_END | |
| 3877 | |
| 3878 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3879 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3880 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3881 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3882 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3883 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3884 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3885 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3886 | |
| 4006 | 3887 #else /* USDT2 */ |
| 3888 | |
| 3889 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3890 , EntryProbe, ReturnProbe); \ | |
| 3891 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3892 ,ReturnProbe); \ | |
| 3893 \ | |
| 3894 JNI_ENTRY(void, \ | |
| 3895 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3896 jsize len, const ElementType *buf)) \ | |
| 3897 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3898 EntryProbe; \ | |
| 3899 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3900 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3901 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3902 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3903 } else { \ | |
| 3904 if (len > 0) { \ | |
| 3905 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
| 3906 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
| 3907 (u_char*) buf, \ | |
| 3908 len << sc); \ | |
| 3909 } \ | |
| 3910 } \ | |
| 3911 JNI_END | |
| 3912 | |
| 3913 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3914 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3915 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3916 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3917 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3918 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3919 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3920 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3921 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3922 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3923 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3924 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3925 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3926 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3927 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3928 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3929 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3930 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3931 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3932 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3933 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3934 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3935 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3936 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3937 #endif /* USDT2 */ | |
| 3938 | |
| 0 | 3939 |
| 3940 // | |
| 3941 // Interception of natives | |
| 3942 // | |
| 3943 | |
| 3944 // The RegisterNatives call being attempted tried to register with a method that | |
| 3945 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3946 // to see if the native method is now wrapped with the prefixes. See the | |
| 3947 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
| 3948 static methodOop find_prefixed_native(KlassHandle k, | |
|
2177
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diff
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|
3949 Symbol* name, Symbol* signature, TRAPS) { |
| 0 | 3950 ResourceMark rm(THREAD); |
| 3951 methodOop method; | |
| 3952 int name_len = name->utf8_length(); | |
| 3953 char* name_str = name->as_utf8(); | |
| 3954 int prefix_count; | |
| 3955 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3956 for (int i = 0; i < prefix_count; i++) { | |
| 3957 char* prefix = prefixes[i]; | |
| 3958 int prefix_len = (int)strlen(prefix); | |
| 3959 | |
| 3960 // try adding this prefix to the method name and see if it matches another method name | |
| 3961 int trial_len = name_len + prefix_len; | |
| 3962 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3963 strcpy(trial_name_str, prefix); | |
| 3964 strcat(trial_name_str, name_str); | |
|
2177
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diff
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|
3965 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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diff
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|
3966 if (trial_name == NULL) { |
| 0 | 3967 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3968 } | |
|
2177
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diff
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|
3969 method = Klass::cast(k())->lookup_method(trial_name, signature); |
| 0 | 3970 if (method == NULL) { |
| 3971 continue; // signature doesn't match, try the next prefix | |
| 3972 } | |
| 3973 if (method->is_native()) { | |
| 3974 method->set_is_prefixed_native(); | |
| 3975 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3976 } | |
| 3977 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3978 name_len = trial_len; | |
| 3979 name_str = trial_name_str; | |
| 3980 } | |
| 3981 return NULL; // not found | |
| 3982 } | |
| 3983 | |
|
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diff
changeset
|
3984 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
|
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1989
diff
changeset
|
3985 methodOop method = Klass::cast(k())->lookup_method(name, signature); |
| 0 | 3986 if (method == NULL) { |
| 3987 ResourceMark rm; | |
| 3988 stringStream st; | |
| 3989 st.print("Method %s name or signature does not match", | |
|
2177
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diff
changeset
|
3990 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
| 0 | 3991 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3992 } | |
| 3993 if (!method->is_native()) { | |
| 3994 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 3995 method = find_prefixed_native(k, name, signature, THREAD); | |
| 3996 if (method == NULL) { | |
| 3997 ResourceMark rm; | |
| 3998 stringStream st; | |
| 3999 st.print("Method %s is not declared as native", | |
|
2177
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parents:
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diff
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|
4000 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
| 0 | 4001 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4002 } | |
| 4003 } | |
| 4004 | |
| 4005 if (entry != NULL) { | |
| 4006 method->set_native_function(entry, | |
| 4007 methodOopDesc::native_bind_event_is_interesting); | |
| 4008 } else { | |
| 4009 method->clear_native_function(); | |
| 4010 } | |
| 4011 if (PrintJNIResolving) { | |
| 4012 ResourceMark rm(THREAD); | |
| 4013 tty->print_cr("[Registering JNI native method %s.%s]", | |
| 4014 Klass::cast(method->method_holder())->external_name(), | |
| 4015 method->name()->as_C_string()); | |
| 4016 } | |
| 4017 return true; | |
| 4018 } | |
| 4019 | |
| 4006 | 4020 #ifndef USDT2 |
| 0 | 4021 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4022 #else /* USDT2 */ |
| 4023 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4024 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4025 #endif /* USDT2 */ | |
| 0 | 4026 |
| 4027 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4028 const JNINativeMethod *methods, | |
| 4029 jint nMethods)) | |
| 4030 JNIWrapper("RegisterNatives"); | |
| 4006 | 4031 #ifndef USDT2 |
| 0 | 4032 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4033 #else /* USDT2 */ |
| 4034 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4035 env, clazz, (void *) methods, nMethods); | |
| 4036 #endif /* USDT2 */ | |
| 0 | 4037 jint ret = 0; |
| 4038 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4039 | |
| 4040 KlassHandle h_k(thread, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 4041 | |
| 4042 for (int index = 0; index < nMethods; index++) { | |
| 4043 const char* meth_name = methods[index].name; | |
| 4044 const char* meth_sig = methods[index].signature; | |
| 4045 int meth_name_len = (int)strlen(meth_name); | |
| 4046 | |
| 4047 // The class should have been loaded (we have an instance of the class | |
| 4048 // passed in) so the method and signature should already be in the symbol | |
| 4049 // table. If they're not there, the method doesn't exist. | |
|
2177
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diff
changeset
|
4050 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
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parents:
1989
diff
changeset
|
4051 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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diff
changeset
|
4052 |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
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diff
changeset
|
4053 if (name == NULL || signature == NULL) { |
| 0 | 4054 ResourceMark rm; |
| 4055 stringStream st; | |
| 4056 st.print("Method %s.%s%s not found", Klass::cast(h_k())->external_name(), meth_name, meth_sig); | |
| 4057 // Must return negative value on failure | |
| 4058 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4059 } | |
| 4060 | |
| 4061 bool res = register_native(h_k, name, signature, | |
| 4062 (address) methods[index].fnPtr, THREAD); | |
| 4063 if (!res) { | |
| 4064 ret = -1; | |
| 4065 break; | |
| 4066 } | |
| 4067 } | |
| 4068 return ret; | |
| 4069 JNI_END | |
| 4070 | |
| 4071 | |
| 4072 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4073 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4074 #ifndef USDT2 |
| 0 | 4075 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4076 #else /* USDT2 */ |
| 4077 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4078 env, clazz); | |
| 4079 #endif /* USDT2 */ | |
| 0 | 4080 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz)); |
| 4081 //%note jni_2 | |
| 4082 if (Klass::cast(k)->oop_is_instance()) { | |
| 4083 for (int index = 0; index < instanceKlass::cast(k)->methods()->length(); index++) { | |
| 4084 methodOop m = methodOop(instanceKlass::cast(k)->methods()->obj_at(index)); | |
| 4085 if (m->is_native()) { | |
| 4086 m->clear_native_function(); | |
| 4087 m->set_signature_handler(NULL); | |
| 4088 } | |
| 4089 } | |
| 4090 } | |
| 4006 | 4091 #ifndef USDT2 |
| 0 | 4092 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4093 #else /* USDT2 */ |
| 4094 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4095 0); | |
| 4096 #endif /* USDT2 */ | |
| 0 | 4097 return 0; |
| 4098 JNI_END | |
| 4099 | |
| 4100 // | |
| 4101 // Monitor functions | |
| 4102 // | |
| 4103 | |
| 4006 | 4104 #ifndef USDT2 |
| 0 | 4105 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4106 #else /* USDT2 */ |
| 4107 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4108 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4109 #endif /* USDT2 */ | |
| 0 | 4110 |
| 4111 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4112 #ifndef USDT2 |
| 0 | 4113 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4114 #else /* USDT2 */ |
| 4115 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4116 env, jobj); | |
| 4117 #endif /* USDT2 */ | |
| 0 | 4118 jint ret = JNI_ERR; |
| 4119 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4120 | |
| 4121 // If the object is null, we can't do anything with it | |
| 4122 if (jobj == NULL) { | |
| 4123 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4124 } | |
| 4125 | |
| 4126 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4127 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4128 ret = JNI_OK; | |
| 4129 return ret; | |
| 4130 JNI_END | |
| 4131 | |
| 4006 | 4132 #ifndef USDT2 |
| 0 | 4133 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4134 #else /* USDT2 */ |
| 4135 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4136 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4137 #endif /* USDT2 */ | |
| 0 | 4138 |
| 4139 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4140 #ifndef USDT2 |
| 0 | 4141 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4142 #else /* USDT2 */ |
| 4143 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4144 env, jobj); | |
| 4145 #endif /* USDT2 */ | |
| 0 | 4146 jint ret = JNI_ERR; |
| 4147 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4148 | |
| 4149 // Don't do anything with a null object | |
| 4150 if (jobj == NULL) { | |
| 4151 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4152 } | |
| 4153 | |
| 4154 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4155 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4156 | |
| 4157 ret = JNI_OK; | |
| 4158 return ret; | |
| 4159 JNI_END | |
| 4160 | |
| 4161 // | |
| 4162 // Extensions | |
| 4163 // | |
| 4164 | |
| 4006 | 4165 #ifndef USDT2 |
| 0 | 4166 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4167 #else /* USDT2 */ |
| 4168 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4169 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4170 #endif /* USDT2 */ | |
| 0 | 4171 |
| 4172 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4173 JNIWrapper("GetStringRegion"); | |
| 4006 | 4174 #ifndef USDT2 |
| 0 | 4175 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4176 #else /* USDT2 */ |
| 4177 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4178 env, string, start, len, buf); | |
| 4179 #endif /* USDT2 */ | |
| 0 | 4180 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4181 oop s = JNIHandles::resolve_non_null(string); | |
| 4182 int s_len = java_lang_String::length(s); | |
| 4183 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4184 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4185 } else { | |
| 4186 if (len > 0) { | |
| 4187 int s_offset = java_lang_String::offset(s); | |
| 4188 typeArrayOop s_value = java_lang_String::value(s); | |
| 4189 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4190 } | |
| 4191 } | |
| 4192 JNI_END | |
| 4193 | |
| 4006 | 4194 #ifndef USDT2 |
| 0 | 4195 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4196 #else /* USDT2 */ |
| 4197 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4198 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4199 #endif /* USDT2 */ | |
| 0 | 4200 |
| 4201 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4202 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4203 #ifndef USDT2 |
| 0 | 4204 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4205 #else /* USDT2 */ |
| 4206 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4207 env, string, start, len, buf); | |
| 4208 #endif /* USDT2 */ | |
| 0 | 4209 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4210 oop s = JNIHandles::resolve_non_null(string); | |
| 4211 int s_len = java_lang_String::length(s); | |
| 4212 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4213 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4214 } else { | |
| 4215 //%note jni_7 | |
| 4216 if (len > 0) { | |
| 4217 ResourceMark rm(THREAD); | |
| 4218 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4219 int utf_len = (int)strlen(utf_region); | |
| 4220 memcpy(buf, utf_region, utf_len); | |
| 4221 buf[utf_len] = 0; | |
| 4222 } else { | |
| 4223 // JDK null-terminates the buffer even in len is zero | |
| 4224 if (buf != NULL) { | |
| 4225 buf[0] = 0; | |
| 4226 } | |
| 4227 } | |
| 4228 } | |
| 4229 JNI_END | |
| 4230 | |
| 4231 | |
| 4232 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4233 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4234 #ifndef USDT2 |
| 0 | 4235 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4236 #else /* USDT2 */ |
| 4237 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4238 env, array, (uintptr_t *) isCopy); | |
| 4239 #endif /* USDT2 */ | |
| 0 | 4240 GC_locker::lock_critical(thread); |
| 4241 if (isCopy != NULL) { | |
| 4242 *isCopy = JNI_FALSE; | |
| 4243 } | |
| 4244 oop a = JNIHandles::resolve_non_null(array); | |
| 4245 assert(a->is_array(), "just checking"); | |
| 4246 BasicType type; | |
| 4247 if (a->is_objArray()) { | |
| 4248 type = T_OBJECT; | |
| 4249 } else { | |
| 4250 type = typeArrayKlass::cast(a->klass())->element_type(); | |
| 4251 } | |
| 4252 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4253 #ifndef USDT2 |
| 0 | 4254 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4255 #else /* USDT2 */ |
| 4256 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4257 ret); | |
| 4258 #endif /* USDT2 */ | |
| 0 | 4259 return ret; |
| 4260 JNI_END | |
| 4261 | |
| 4262 | |
| 4263 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4264 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4265 #ifndef USDT2 |
| 0 | 4266 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4267 #else /* USDT2 */ |
| 4268 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4269 env, array, carray, mode); | |
| 4270 #endif /* USDT2 */ | |
| 0 | 4271 // The array, carray and mode arguments are ignored |
| 4272 GC_locker::unlock_critical(thread); | |
| 4006 | 4273 #ifndef USDT2 |
| 0 | 4274 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4275 #else /* USDT2 */ |
| 4276 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4277 ); | |
| 4278 #endif /* USDT2 */ | |
| 0 | 4279 JNI_END |
| 4280 | |
| 4281 | |
| 4282 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4283 JNIWrapper("GetStringCritical"); | |
| 4006 | 4284 #ifndef USDT2 |
| 0 | 4285 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4286 #else /* USDT2 */ |
| 4287 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4288 env, string, (uintptr_t *) isCopy); | |
| 4289 #endif /* USDT2 */ | |
| 0 | 4290 GC_locker::lock_critical(thread); |
| 4291 if (isCopy != NULL) { | |
| 4292 *isCopy = JNI_FALSE; | |
| 4293 } | |
| 4294 oop s = JNIHandles::resolve_non_null(string); | |
| 4295 int s_len = java_lang_String::length(s); | |
| 4296 typeArrayOop s_value = java_lang_String::value(s); | |
| 4297 int s_offset = java_lang_String::offset(s); | |
| 4298 const jchar* ret; | |
| 4299 if (s_len > 0) { | |
| 4300 ret = s_value->char_at_addr(s_offset); | |
| 4301 } else { | |
| 4302 ret = (jchar*) s_value->base(T_CHAR); | |
| 4303 } | |
| 4006 | 4304 #ifndef USDT2 |
| 0 | 4305 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4306 #else /* USDT2 */ |
| 4307 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4308 (uint16_t *) ret); | |
| 4309 #endif /* USDT2 */ | |
| 0 | 4310 return ret; |
| 4311 JNI_END | |
| 4312 | |
| 4313 | |
| 4314 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4315 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4316 #ifndef USDT2 |
| 0 | 4317 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4318 #else /* USDT2 */ |
| 4319 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4320 env, str, (uint16_t *) chars); | |
| 4321 #endif /* USDT2 */ | |
| 0 | 4322 // The str and chars arguments are ignored |
| 4323 GC_locker::unlock_critical(thread); | |
| 4006 | 4324 #ifndef USDT2 |
| 0 | 4325 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4326 #else /* USDT2 */ |
| 4327 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4328 ); | |
| 4329 #endif /* USDT2 */ | |
| 0 | 4330 JNI_END |
| 4331 | |
| 4332 | |
| 4333 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4334 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4335 #ifndef USDT2 |
| 0 | 4336 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4337 #else /* USDT2 */ |
| 4338 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4339 env, ref); | |
| 4340 #endif /* USDT2 */ | |
| 0 | 4341 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4342 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4343 #ifndef USDT2 |
| 0 | 4344 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4345 #else /* USDT2 */ |
| 4346 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4347 ret); | |
| 4348 #endif /* USDT2 */ | |
| 0 | 4349 return ret; |
| 4350 JNI_END | |
| 4351 | |
| 4352 // Must be JNI_ENTRY (with HandleMark) | |
| 4353 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4354 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4355 #ifndef USDT2 |
| 0 | 4356 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4357 #else /* USDT2 */ |
| 4358 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4359 env, ref); | |
| 4360 #endif /* USDT2 */ | |
| 0 | 4361 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4362 #ifndef USDT2 |
| 0 | 4363 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4364 #else /* USDT2 */ |
| 4365 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4366 ); | |
| 4367 #endif /* USDT2 */ | |
| 0 | 4368 JNI_END |
| 4369 | |
| 4370 | |
| 4371 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4372 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4373 #ifndef USDT2 |
| 0 | 4374 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4375 #else /* USDT2 */ |
| 4376 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4377 env); | |
| 4378 #endif /* USDT2 */ | |
| 0 | 4379 jni_check_async_exceptions(thread); |
| 4380 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4381 #ifndef USDT2 |
| 0 | 4382 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4383 #else /* USDT2 */ |
| 4384 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4385 ret); | |
| 4386 #endif /* USDT2 */ | |
| 0 | 4387 return ret; |
| 4388 JNI_END | |
| 4389 | |
| 4390 | |
| 4391 // Initialization state for three routines below relating to | |
| 4392 // java.nio.DirectBuffers | |
| 4393 static jint directBufferSupportInitializeStarted = 0; | |
| 4394 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4395 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4396 static jclass bufferClass = NULL; | |
| 4397 static jclass directBufferClass = NULL; | |
| 4398 static jclass directByteBufferClass = NULL; | |
| 4399 static jmethodID directByteBufferConstructor = NULL; | |
| 4400 static jfieldID directBufferAddressField = NULL; | |
| 4401 static jfieldID bufferCapacityField = NULL; | |
| 4402 | |
| 4403 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4404 Handle loader; // null (bootstrap) loader | |
| 4405 Handle protection_domain; // null protection domain | |
| 4406 | |
|
2177
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4407 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
579
diff
changeset
|
4408 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
579
diff
changeset
|
4409 |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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diff
changeset
|
4410 if (TraceClassResolution && result != NULL) { |
|
715dceaa89b7
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parents:
579
diff
changeset
|
4411 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
|
715dceaa89b7
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diff
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|
4412 } |
|
715dceaa89b7
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diff
changeset
|
4413 return result; |
| 0 | 4414 } |
| 4415 | |
| 4416 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4417 // circumvent any security checks that would be done by jni_FindClass. | |
| 4418 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4419 { | |
| 4420 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4421 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4422 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4423 return true; | |
| 4424 } | |
| 4425 JNI_END | |
| 4426 | |
| 4427 | |
| 4428 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4429 if (directBufferSupportInitializeFailed) { | |
| 4430 return false; | |
| 4431 } | |
| 4432 | |
| 4433 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4434 if (!lookupDirectBufferClasses(env)) { | |
| 4435 directBufferSupportInitializeFailed = 1; | |
| 4436 return false; | |
| 4437 } | |
| 4438 | |
| 4439 // Make global references for these | |
| 4440 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4441 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4442 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4443 | |
| 4444 // Get needed field and method IDs | |
| 4445 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4446 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4447 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4448 | |
| 4449 if ((directByteBufferConstructor == NULL) || | |
| 4450 (directBufferAddressField == NULL) || | |
| 4451 (bufferCapacityField == NULL)) { | |
| 4452 directBufferSupportInitializeFailed = 1; | |
| 4453 return false; | |
| 4454 } | |
| 4455 | |
| 4456 directBufferSupportInitializeEnded = 1; | |
| 4457 } else { | |
| 4458 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
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parents:
477
diff
changeset
|
4459 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4460 // os::sleep which requires the VM state transition. On other platforms, it |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4461 // is not necessary. The following call to change the VM state is purposely |
|
4db4e58c16bd
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xlu
parents:
477
diff
changeset
|
4462 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
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parents:
477
diff
changeset
|
4463 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
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477
diff
changeset
|
4464 ThreadInVMfromNative tivn(thread); |
| 0 | 4465 os::yield_all(); |
| 4466 } | |
| 4467 } | |
| 4468 | |
| 4469 return !directBufferSupportInitializeFailed; | |
| 4470 } | |
| 4471 | |
| 4472 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4473 { | |
| 4474 // thread_from_jni_environment() will block if VM is gone. | |
| 4475 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4476 | |
| 4477 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4478 #ifndef USDT2 |
| 0 | 4479 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4480 #else /* USDT2 */ |
| 4481 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4482 env, address, capacity); | |
| 4483 #endif /* USDT2 */ | |
| 0 | 4484 |
| 4485 if (!directBufferSupportInitializeEnded) { | |
| 4486 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4487 #ifndef USDT2 |
| 0 | 4488 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4489 #else /* USDT2 */ |
| 4490 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4491 NULL); | |
| 4492 #endif /* USDT2 */ | |
| 0 | 4493 return NULL; |
| 4494 } | |
| 4495 } | |
| 4496 | |
| 4497 // Being paranoid about accidental sign extension on address | |
| 4498 jlong addr = (jlong) ((uintptr_t) address); | |
| 4499 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4500 // takes int capacity | |
| 4501 jint cap = (jint) capacity; | |
| 4502 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4503 #ifndef USDT2 |
| 0 | 4504 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4505 #else /* USDT2 */ |
| 4506 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4507 ret); | |
| 4508 #endif /* USDT2 */ | |
| 0 | 4509 return ret; |
| 4510 } | |
| 4511 | |
| 4006 | 4512 #ifndef USDT2 |
| 0 | 4513 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4514 #else /* USDT2 */ |
| 4515 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4516 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4517 #endif /* USDT2 */ | |
| 0 | 4518 |
| 4519 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4520 { | |
| 4521 // thread_from_jni_environment() will block if VM is gone. | |
| 4522 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4523 | |
| 4524 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4525 #ifndef USDT2 |
| 0 | 4526 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4527 #else /* USDT2 */ |
| 4528 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4529 env, buf); | |
| 4530 #endif /* USDT2 */ | |
| 0 | 4531 void* ret = NULL; |
| 4532 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4533 | |
| 4534 if (!directBufferSupportInitializeEnded) { | |
| 4535 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4536 return 0; | |
| 4537 } | |
| 4538 } | |
| 4539 | |
| 4540 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4541 return 0; | |
| 4542 } | |
| 4543 | |
| 4544 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4545 return ret; | |
| 4546 } | |
| 4547 | |
| 4006 | 4548 #ifndef USDT2 |
| 0 | 4549 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4550 #else /* USDT2 */ |
| 4551 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4552 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4553 #endif /* USDT2 */ | |
| 0 | 4554 |
| 4555 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4556 { | |
| 4557 // thread_from_jni_environment() will block if VM is gone. | |
| 4558 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4559 | |
| 4560 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4561 #ifndef USDT2 |
| 0 | 4562 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4563 #else /* USDT2 */ |
| 4564 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4565 env, buf); | |
| 4566 #endif /* USDT2 */ | |
| 0 | 4567 jlong ret = -1; |
| 4568 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4569 | |
| 4570 if (!directBufferSupportInitializeEnded) { | |
| 4571 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4572 ret = 0; | |
| 4573 return ret; | |
| 4574 } | |
| 4575 } | |
| 4576 | |
| 4577 if (buf == NULL) { | |
| 4578 return -1; | |
| 4579 } | |
| 4580 | |
| 4581 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4582 return -1; | |
| 4583 } | |
| 4584 | |
| 4585 // NOTE that capacity is currently an int in the implementation | |
| 4586 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4587 return ret; | |
| 4588 } | |
| 4589 | |
| 4590 | |
| 4591 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4592 JNIWrapper("GetVersion"); | |
| 4006 | 4593 #ifndef USDT2 |
| 0 | 4594 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4595 #else /* USDT2 */ |
| 4596 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4597 env); | |
| 4598 #endif /* USDT2 */ | |
| 4599 #ifndef USDT2 | |
| 0 | 4600 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4601 #else /* USDT2 */ |
| 4602 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4603 CurrentVersion); | |
| 4604 #endif /* USDT2 */ | |
| 0 | 4605 return CurrentVersion; |
| 4606 JNI_END | |
| 4607 | |
| 4608 extern struct JavaVM_ main_vm; | |
| 4609 | |
| 4610 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4611 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4612 #ifndef USDT2 |
| 0 | 4613 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4614 #else /* USDT2 */ |
| 4615 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4616 env, (void **) vm); | |
| 4617 #endif /* USDT2 */ | |
| 0 | 4618 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4619 #ifndef USDT2 |
| 0 | 4620 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4621 #else /* USDT2 */ |
| 4622 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4623 JNI_OK); | |
| 4624 #endif /* USDT2 */ | |
| 0 | 4625 return JNI_OK; |
| 4626 JNI_END | |
| 4627 | |
| 4628 // Structure containing all jni functions | |
| 4629 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4630 NULL, | |
| 4631 NULL, | |
| 4632 NULL, | |
| 4633 | |
| 4634 NULL, | |
| 4635 | |
| 4636 jni_GetVersion, | |
| 4637 | |
| 4638 jni_DefineClass, | |
| 4639 jni_FindClass, | |
| 4640 | |
| 4641 jni_FromReflectedMethod, | |
| 4642 jni_FromReflectedField, | |
| 4643 | |
| 4644 jni_ToReflectedMethod, | |
| 4645 | |
| 4646 jni_GetSuperclass, | |
| 4647 jni_IsAssignableFrom, | |
| 4648 | |
| 4649 jni_ToReflectedField, | |
| 4650 | |
| 4651 jni_Throw, | |
| 4652 jni_ThrowNew, | |
| 4653 jni_ExceptionOccurred, | |
| 4654 jni_ExceptionDescribe, | |
| 4655 jni_ExceptionClear, | |
| 4656 jni_FatalError, | |
| 4657 | |
| 4658 jni_PushLocalFrame, | |
| 4659 jni_PopLocalFrame, | |
| 4660 | |
| 4661 jni_NewGlobalRef, | |
| 4662 jni_DeleteGlobalRef, | |
| 4663 jni_DeleteLocalRef, | |
| 4664 jni_IsSameObject, | |
| 4665 | |
| 4666 jni_NewLocalRef, | |
| 4667 jni_EnsureLocalCapacity, | |
| 4668 | |
| 4669 jni_AllocObject, | |
| 4670 jni_NewObject, | |
| 4671 jni_NewObjectV, | |
| 4672 jni_NewObjectA, | |
| 4673 | |
| 4674 jni_GetObjectClass, | |
| 4675 jni_IsInstanceOf, | |
| 4676 | |
| 4677 jni_GetMethodID, | |
| 4678 | |
| 4679 jni_CallObjectMethod, | |
| 4680 jni_CallObjectMethodV, | |
| 4681 jni_CallObjectMethodA, | |
| 4682 jni_CallBooleanMethod, | |
| 4683 jni_CallBooleanMethodV, | |
| 4684 jni_CallBooleanMethodA, | |
| 4685 jni_CallByteMethod, | |
| 4686 jni_CallByteMethodV, | |
| 4687 jni_CallByteMethodA, | |
| 4688 jni_CallCharMethod, | |
| 4689 jni_CallCharMethodV, | |
| 4690 jni_CallCharMethodA, | |
| 4691 jni_CallShortMethod, | |
| 4692 jni_CallShortMethodV, | |
| 4693 jni_CallShortMethodA, | |
| 4694 jni_CallIntMethod, | |
| 4695 jni_CallIntMethodV, | |
| 4696 jni_CallIntMethodA, | |
| 4697 jni_CallLongMethod, | |
| 4698 jni_CallLongMethodV, | |
| 4699 jni_CallLongMethodA, | |
| 4700 jni_CallFloatMethod, | |
| 4701 jni_CallFloatMethodV, | |
| 4702 jni_CallFloatMethodA, | |
| 4703 jni_CallDoubleMethod, | |
| 4704 jni_CallDoubleMethodV, | |
| 4705 jni_CallDoubleMethodA, | |
| 4706 jni_CallVoidMethod, | |
| 4707 jni_CallVoidMethodV, | |
| 4708 jni_CallVoidMethodA, | |
| 4709 | |
| 4710 jni_CallNonvirtualObjectMethod, | |
| 4711 jni_CallNonvirtualObjectMethodV, | |
| 4712 jni_CallNonvirtualObjectMethodA, | |
| 4713 jni_CallNonvirtualBooleanMethod, | |
| 4714 jni_CallNonvirtualBooleanMethodV, | |
| 4715 jni_CallNonvirtualBooleanMethodA, | |
| 4716 jni_CallNonvirtualByteMethod, | |
| 4717 jni_CallNonvirtualByteMethodV, | |
| 4718 jni_CallNonvirtualByteMethodA, | |
| 4719 jni_CallNonvirtualCharMethod, | |
| 4720 jni_CallNonvirtualCharMethodV, | |
| 4721 jni_CallNonvirtualCharMethodA, | |
| 4722 jni_CallNonvirtualShortMethod, | |
| 4723 jni_CallNonvirtualShortMethodV, | |
| 4724 jni_CallNonvirtualShortMethodA, | |
| 4725 jni_CallNonvirtualIntMethod, | |
| 4726 jni_CallNonvirtualIntMethodV, | |
| 4727 jni_CallNonvirtualIntMethodA, | |
| 4728 jni_CallNonvirtualLongMethod, | |
| 4729 jni_CallNonvirtualLongMethodV, | |
| 4730 jni_CallNonvirtualLongMethodA, | |
| 4731 jni_CallNonvirtualFloatMethod, | |
| 4732 jni_CallNonvirtualFloatMethodV, | |
| 4733 jni_CallNonvirtualFloatMethodA, | |
| 4734 jni_CallNonvirtualDoubleMethod, | |
| 4735 jni_CallNonvirtualDoubleMethodV, | |
| 4736 jni_CallNonvirtualDoubleMethodA, | |
| 4737 jni_CallNonvirtualVoidMethod, | |
| 4738 jni_CallNonvirtualVoidMethodV, | |
| 4739 jni_CallNonvirtualVoidMethodA, | |
| 4740 | |
| 4741 jni_GetFieldID, | |
| 4742 | |
| 4743 jni_GetObjectField, | |
| 4744 jni_GetBooleanField, | |
| 4745 jni_GetByteField, | |
| 4746 jni_GetCharField, | |
| 4747 jni_GetShortField, | |
| 4748 jni_GetIntField, | |
| 4749 jni_GetLongField, | |
| 4750 jni_GetFloatField, | |
| 4751 jni_GetDoubleField, | |
| 4752 | |
| 4753 jni_SetObjectField, | |
| 4754 jni_SetBooleanField, | |
| 4755 jni_SetByteField, | |
| 4756 jni_SetCharField, | |
| 4757 jni_SetShortField, | |
| 4758 jni_SetIntField, | |
| 4759 jni_SetLongField, | |
| 4760 jni_SetFloatField, | |
| 4761 jni_SetDoubleField, | |
| 4762 | |
| 4763 jni_GetStaticMethodID, | |
| 4764 | |
| 4765 jni_CallStaticObjectMethod, | |
| 4766 jni_CallStaticObjectMethodV, | |
| 4767 jni_CallStaticObjectMethodA, | |
| 4768 jni_CallStaticBooleanMethod, | |
| 4769 jni_CallStaticBooleanMethodV, | |
| 4770 jni_CallStaticBooleanMethodA, | |
| 4771 jni_CallStaticByteMethod, | |
| 4772 jni_CallStaticByteMethodV, | |
| 4773 jni_CallStaticByteMethodA, | |
| 4774 jni_CallStaticCharMethod, | |
| 4775 jni_CallStaticCharMethodV, | |
| 4776 jni_CallStaticCharMethodA, | |
| 4777 jni_CallStaticShortMethod, | |
| 4778 jni_CallStaticShortMethodV, | |
| 4779 jni_CallStaticShortMethodA, | |
| 4780 jni_CallStaticIntMethod, | |
| 4781 jni_CallStaticIntMethodV, | |
| 4782 jni_CallStaticIntMethodA, | |
| 4783 jni_CallStaticLongMethod, | |
| 4784 jni_CallStaticLongMethodV, | |
| 4785 jni_CallStaticLongMethodA, | |
| 4786 jni_CallStaticFloatMethod, | |
| 4787 jni_CallStaticFloatMethodV, | |
| 4788 jni_CallStaticFloatMethodA, | |
| 4789 jni_CallStaticDoubleMethod, | |
| 4790 jni_CallStaticDoubleMethodV, | |
| 4791 jni_CallStaticDoubleMethodA, | |
| 4792 jni_CallStaticVoidMethod, | |
| 4793 jni_CallStaticVoidMethodV, | |
| 4794 jni_CallStaticVoidMethodA, | |
| 4795 | |
| 4796 jni_GetStaticFieldID, | |
| 4797 | |
| 4798 jni_GetStaticObjectField, | |
| 4799 jni_GetStaticBooleanField, | |
| 4800 jni_GetStaticByteField, | |
| 4801 jni_GetStaticCharField, | |
| 4802 jni_GetStaticShortField, | |
| 4803 jni_GetStaticIntField, | |
| 4804 jni_GetStaticLongField, | |
| 4805 jni_GetStaticFloatField, | |
| 4806 jni_GetStaticDoubleField, | |
| 4807 | |
| 4808 jni_SetStaticObjectField, | |
| 4809 jni_SetStaticBooleanField, | |
| 4810 jni_SetStaticByteField, | |
| 4811 jni_SetStaticCharField, | |
| 4812 jni_SetStaticShortField, | |
| 4813 jni_SetStaticIntField, | |
| 4814 jni_SetStaticLongField, | |
| 4815 jni_SetStaticFloatField, | |
| 4816 jni_SetStaticDoubleField, | |
| 4817 | |
| 4818 jni_NewString, | |
| 4819 jni_GetStringLength, | |
| 4820 jni_GetStringChars, | |
| 4821 jni_ReleaseStringChars, | |
| 4822 | |
| 4823 jni_NewStringUTF, | |
| 4824 jni_GetStringUTFLength, | |
| 4825 jni_GetStringUTFChars, | |
| 4826 jni_ReleaseStringUTFChars, | |
| 4827 | |
| 4828 jni_GetArrayLength, | |
| 4829 | |
| 4830 jni_NewObjectArray, | |
| 4831 jni_GetObjectArrayElement, | |
| 4832 jni_SetObjectArrayElement, | |
| 4833 | |
| 4834 jni_NewBooleanArray, | |
| 4835 jni_NewByteArray, | |
| 4836 jni_NewCharArray, | |
| 4837 jni_NewShortArray, | |
| 4838 jni_NewIntArray, | |
| 4839 jni_NewLongArray, | |
| 4840 jni_NewFloatArray, | |
| 4841 jni_NewDoubleArray, | |
| 4842 | |
| 4843 jni_GetBooleanArrayElements, | |
| 4844 jni_GetByteArrayElements, | |
| 4845 jni_GetCharArrayElements, | |
| 4846 jni_GetShortArrayElements, | |
| 4847 jni_GetIntArrayElements, | |
| 4848 jni_GetLongArrayElements, | |
| 4849 jni_GetFloatArrayElements, | |
| 4850 jni_GetDoubleArrayElements, | |
| 4851 | |
| 4852 jni_ReleaseBooleanArrayElements, | |
| 4853 jni_ReleaseByteArrayElements, | |
| 4854 jni_ReleaseCharArrayElements, | |
| 4855 jni_ReleaseShortArrayElements, | |
| 4856 jni_ReleaseIntArrayElements, | |
| 4857 jni_ReleaseLongArrayElements, | |
| 4858 jni_ReleaseFloatArrayElements, | |
| 4859 jni_ReleaseDoubleArrayElements, | |
| 4860 | |
| 4861 jni_GetBooleanArrayRegion, | |
| 4862 jni_GetByteArrayRegion, | |
| 4863 jni_GetCharArrayRegion, | |
| 4864 jni_GetShortArrayRegion, | |
| 4865 jni_GetIntArrayRegion, | |
| 4866 jni_GetLongArrayRegion, | |
| 4867 jni_GetFloatArrayRegion, | |
| 4868 jni_GetDoubleArrayRegion, | |
| 4869 | |
| 4870 jni_SetBooleanArrayRegion, | |
| 4871 jni_SetByteArrayRegion, | |
| 4872 jni_SetCharArrayRegion, | |
| 4873 jni_SetShortArrayRegion, | |
| 4874 jni_SetIntArrayRegion, | |
| 4875 jni_SetLongArrayRegion, | |
| 4876 jni_SetFloatArrayRegion, | |
| 4877 jni_SetDoubleArrayRegion, | |
| 4878 | |
| 4879 jni_RegisterNatives, | |
| 4880 jni_UnregisterNatives, | |
| 4881 | |
| 4882 jni_MonitorEnter, | |
| 4883 jni_MonitorExit, | |
| 4884 | |
| 4885 jni_GetJavaVM, | |
| 4886 | |
| 4887 jni_GetStringRegion, | |
| 4888 jni_GetStringUTFRegion, | |
| 4889 | |
| 4890 jni_GetPrimitiveArrayCritical, | |
| 4891 jni_ReleasePrimitiveArrayCritical, | |
| 4892 | |
| 4893 jni_GetStringCritical, | |
| 4894 jni_ReleaseStringCritical, | |
| 4895 | |
| 4896 jni_NewWeakGlobalRef, | |
| 4897 jni_DeleteWeakGlobalRef, | |
| 4898 | |
| 4899 jni_ExceptionCheck, | |
| 4900 | |
| 4901 jni_NewDirectByteBuffer, | |
| 4902 jni_GetDirectBufferAddress, | |
| 4903 jni_GetDirectBufferCapacity, | |
| 4904 | |
| 4905 // New 1_6 features | |
| 4906 | |
| 4907 jni_GetObjectRefType | |
| 4908 }; | |
| 4909 | |
| 4910 | |
| 4911 // For jvmti use to modify jni function table. | |
| 4912 // Java threads in native contiues to run until it is transitioned | |
| 4913 // to VM at safepoint. Before the transition or before it is blocked | |
| 4914 // for safepoint it may access jni function table. VM could crash if | |
| 4915 // any java thread access the jni function table in the middle of memcpy. | |
| 4916 // To avoid this each function pointers are copied automically. | |
| 4917 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4918 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4919 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4920 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4921 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4922 Atomic::store_ptr(*b++, a++); | |
| 4923 } | |
| 4924 } | |
| 4925 | |
| 4926 void quicken_jni_functions() { | |
| 4927 // Replace Get<Primitive>Field with fast versions | |
| 4928 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4929 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4930 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4931 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4932 // versions currently isn't certain for server vm on uniprocessor. | |
| 4933 && os::is_MP() | |
| 4934 #endif | |
| 4935 ) { | |
| 4936 address func; | |
| 4937 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4938 if (func != (address)-1) { | |
| 4939 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4940 } | |
| 4941 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4942 if (func != (address)-1) { | |
| 4943 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4944 } | |
| 4945 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4946 if (func != (address)-1) { | |
| 4947 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4948 } | |
| 4949 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4950 if (func != (address)-1) { | |
| 4951 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4952 } | |
| 4953 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4954 if (func != (address)-1) { | |
| 4955 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4956 } | |
| 4957 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4958 if (func != (address)-1) { | |
| 4959 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4960 } | |
| 4961 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4962 if (func != (address)-1) { | |
| 4963 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4964 } | |
| 4965 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4966 if (func != (address)-1) { | |
| 4967 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4968 } | |
| 4969 } | |
| 4970 } | |
| 4971 | |
| 4972 // Returns the function structure | |
| 4973 struct JNINativeInterface_* jni_functions() { | |
| 4974 #ifndef JNICHECK_KERNEL | |
| 4975 if (CheckJNICalls) return jni_functions_check(); | |
| 4976 #else // JNICHECK_KERNEL | |
| 4977 if (CheckJNICalls) warning("-Xcheck:jni is not supported in kernel vm."); | |
| 4978 #endif // JNICHECK_KERNEL | |
| 4979 return &jni_NativeInterface; | |
| 4980 } | |
| 4981 | |
| 4982 // Returns the function structure | |
| 4983 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4984 return &jni_NativeInterface; | |
| 4985 } | |
| 4986 | |
| 4987 | |
| 4988 // Invocation API | |
| 4989 | |
| 4990 | |
| 4991 // Forward declaration | |
| 4992 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4993 | |
| 4994 // Global invocation API vars | |
| 4995 volatile jint vm_created = 0; | |
| 4996 // Indicate whether it is safe to recreate VM | |
| 4997 volatile jint safe_to_recreate_vm = 1; | |
| 4998 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 4999 | |
| 5000 | |
| 5001 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5002 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5003 | |
| 4006 | 5004 #ifndef USDT2 |
| 0 | 5005 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5006 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5007 #else /* USDT2 */ |
| 5008 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5009 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5010 #endif /* USDT2 */ | |
| 0 | 5011 |
| 5012 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5013 #ifndef USDT2 |
| 0 | 5014 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5015 #else /* USDT2 */ |
| 5016 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5017 args_); | |
| 5018 #endif /* USDT2 */ | |
| 0 | 5019 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5020 jint ret = JNI_ERR; | |
| 5021 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5022 | |
| 5023 if (Threads::is_supported_jni_version(args->version)) { | |
| 5024 ret = JNI_OK; | |
| 5025 } | |
| 5026 // 1.1 style no longer supported in hotspot. | |
| 5027 // According the JNI spec, we should update args->version on return. | |
| 5028 // We also use the structure to communicate with launcher about default | |
| 5029 // stack size. | |
| 5030 if (args->version == JNI_VERSION_1_1) { | |
| 5031 args->version = JNI_VERSION_1_2; | |
| 5032 // javaStackSize is int in arguments structure | |
| 5033 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5034 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5035 } | |
| 5036 return ret; | |
| 5037 } | |
| 5038 | |
| 3779 | 5039 #ifndef PRODUCT |
| 5040 | |
| 5041 #include "utilities/quickSort.hpp" | |
| 5042 | |
| 5043 void execute_internal_vm_tests() { | |
| 5044 if (ExecuteInternalVMTests) { | |
| 5045 assert(QuickSort::test_quick_sort(), "test_quick_sort failed"); | |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5046 assert(arrayOopDesc::test_max_array_length(), "test_max_array_length failed"); |
|
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5047 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5048 } |
| 5049 } | |
| 5050 | |
| 5051 #endif | |
| 5052 | |
| 4006 | 5053 #ifndef USDT2 |
| 0 | 5054 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5055 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5056 #else /* USDT2 */ |
| 5057 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5058 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5059 #endif /* USDT2 */ | |
| 0 | 5060 |
| 5061 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5062 #ifndef USDT2 |
| 0 | 5063 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5064 #else /* USDT2 */ |
| 5065 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5066 (void **) vm, penv, args); | |
| 5067 #endif /* USDT2 */ | |
| 0 | 5068 |
| 5069 jint result = JNI_ERR; | |
| 5070 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5071 | |
| 1078 | 5072 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5073 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5074 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5075 // on all architectures. So we check it works before relying on it. | |
| 5076 #if defined(ZERO) && defined(ASSERT) | |
| 5077 { | |
| 5078 jint a = 0xcafebabe; | |
| 5079 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5080 void *c = &a; | |
| 5081 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5082 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5083 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5084 } | |
| 5085 #endif // ZERO && ASSERT | |
| 5086 | |
| 0 | 5087 // At the moment it's only possible to have one Java VM, |
| 5088 // since some of the runtime state is in global variables. | |
| 5089 | |
| 5090 // We cannot use our mutex locks here, since they only work on | |
| 5091 // Threads. We do an atomic compare and exchange to ensure only | |
| 5092 // one thread can call this method at a time | |
| 5093 | |
| 5094 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5095 // the add/dec implementations are dependent on whether we are running | |
| 5096 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5097 // function used to determine this will always return false. Atomic::xchg | |
| 5098 // does not have this problem. | |
| 5099 if (Atomic::xchg(1, &vm_created) == 1) { | |
| 5100 return JNI_ERR; // already created, or create attempt in progress | |
| 5101 } | |
| 5102 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5103 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5104 } | |
| 5105 | |
| 5106 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5107 | |
| 5108 /** | |
| 5109 * Certain errors during initialization are recoverable and do not | |
| 5110 * prevent this method from being called again at a later time | |
| 5111 * (perhaps with different arguments). However, at a certain | |
| 5112 * point during initialization if an error occurs we cannot allow | |
| 5113 * this function to be called again (or it will crash). In those | |
| 5114 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5115 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5116 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5117 */ | |
| 5118 bool can_try_again = true; | |
| 5119 | |
| 5120 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5121 if (result == JNI_OK) { | |
| 5122 JavaThread *thread = JavaThread::current(); | |
| 5123 /* thread is thread_in_vm here */ | |
| 5124 *vm = (JavaVM *)(&main_vm); | |
| 5125 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5126 | |
|
3650
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Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5127 if (UseGraal) { |
|
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5128 GraalCompiler* compiler = GraalCompiler::instance(); |
|
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5129 ciObjectFactory::initialize(); |
|
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5130 compiler->initialize(); |
|
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5131 } |
|
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5132 |
| 0 | 5133 // Tracks the time application was running before GC |
| 5134 RuntimeService::record_application_start(); | |
| 5135 | |
| 5136 // Notify JVMTI | |
| 5137 if (JvmtiExport::should_post_thread_life()) { | |
| 5138 JvmtiExport::post_thread_start(thread); | |
| 5139 } | |
|
1454
7cf1952ec5fb
Added flag -XX:BootstrapC1X that precompiles Object::<init> and then every method in the compilation queue until it is empty.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1290
diff
changeset
|
5140 |
| 0 | 5141 // Check if we should compile all classes on bootclasspath |
| 5142 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
| 5143 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. | |
| 5144 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5145 } else { | |
| 5146 if (can_try_again) { | |
| 5147 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5148 safe_to_recreate_vm = 1; | |
| 5149 } | |
| 5150 | |
| 5151 // Creation failed. We must reset vm_created | |
| 5152 *vm = 0; | |
| 5153 *(JNIEnv**)penv = 0; | |
| 5154 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5155 // control both compiler and architectural-based reordering. | |
| 5156 OrderAccess::release_store(&vm_created, 0); | |
| 5157 } | |
| 5158 | |
|
1490
f03d0a26bf83
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jcoomes
parents:
1290
diff
changeset
|
5159 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
| 3779 | 5160 NOT_PRODUCT(execute_internal_vm_tests()); |
| 0 | 5161 return result; |
| 5162 } | |
| 5163 | |
| 4006 | 5164 #ifndef USDT2 |
| 0 | 5165 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5166 JavaVM**, jsize, jsize*); | |
| 5167 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5168 #endif /* !USDT2 */ |
| 0 | 5169 |
| 5170 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5171 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5172 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5173 #ifndef USDT2 |
| 0 | 5174 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5175 vm_buf, bufLen, numVMs); | |
| 4006 | 5176 #else /* USDT2 */ |
| 5177 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5178 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5179 #endif /* USDT2 */ | |
| 0 | 5180 if (vm_created) { |
| 5181 if (numVMs != NULL) *numVMs = 1; | |
| 5182 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5183 } else { | |
| 5184 if (numVMs != NULL) *numVMs = 0; | |
| 5185 } | |
| 4006 | 5186 #ifndef USDT2 |
| 0 | 5187 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5188 #else /* USDT2 */ |
| 5189 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5190 JNI_OK); | |
| 5191 #endif /* USDT2 */ | |
| 0 | 5192 return JNI_OK; |
| 5193 } | |
| 5194 | |
| 5195 extern "C" { | |
| 5196 | |
| 4006 | 5197 #ifndef USDT2 |
| 0 | 5198 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5199 #else /* USDT2 */ |
| 5200 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5201 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5202 #endif /* USDT2 */ | |
| 0 | 5203 |
| 5204 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5205 #ifndef USDT2 |
| 0 | 5206 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5207 #else /* USDT2 */ |
| 5208 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5209 vm); | |
| 5210 #endif /* USDT2 */ | |
| 0 | 5211 jint res = JNI_ERR; |
| 5212 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5213 | |
| 5214 if (!vm_created) { | |
| 5215 res = JNI_ERR; | |
| 5216 return res; | |
| 5217 } | |
| 5218 | |
| 5219 JNIWrapper("DestroyJavaVM"); | |
| 5220 JNIEnv *env; | |
| 5221 JavaVMAttachArgs destroyargs; | |
| 5222 destroyargs.version = CurrentVersion; | |
| 5223 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5224 destroyargs.group = NULL; | |
| 5225 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5226 if (res != JNI_OK) { | |
| 5227 return res; | |
| 5228 } | |
| 5229 | |
| 5230 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5231 JavaThread* thread = JavaThread::current(); | |
| 5232 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5233 if (Threads::destroy_vm()) { | |
| 5234 // Should not change thread state, VM is gone | |
| 5235 vm_created = false; | |
| 5236 res = JNI_OK; | |
| 5237 return res; | |
| 5238 } else { | |
| 5239 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5240 res = JNI_ERR; | |
| 5241 return res; | |
| 5242 } | |
| 5243 } | |
| 5244 | |
| 5245 | |
| 5246 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5247 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5248 | |
| 5249 // Check below commented out from JDK1.2fcs as well | |
| 5250 /* | |
| 5251 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5252 return JNI_EVERSION; | |
| 5253 } | |
| 5254 */ | |
| 5255 | |
| 5256 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5257 if (t != NULL) { | |
| 5258 // If the thread has been attached this operation is a no-op | |
| 5259 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5260 return JNI_OK; | |
| 5261 } | |
| 5262 | |
| 5263 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5264 // ThreadsListEnumerator - see CR 6404306 | |
| 5265 JavaThread* thread = new JavaThread(true); | |
| 5266 | |
| 5267 // Set correct safepoint info. The thread is going to call into Java when | |
| 5268 // initializing the Java level thread object. Hence, the correct state must | |
| 5269 // be set in order for the Safepoint code to deal with it correctly. | |
| 5270 thread->set_thread_state(_thread_in_vm); | |
| 5271 // Must do this before initialize_thread_local_storage | |
| 5272 thread->record_stack_base_and_size(); | |
|
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|
5273 |
| 0 | 5274 thread->initialize_thread_local_storage(); |
| 5275 | |
| 5276 if (!os::create_attached_thread(thread)) { | |
| 5277 delete thread; | |
| 5278 return JNI_ERR; | |
| 5279 } | |
|
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|
5280 // Enable stack overflow checks |
|
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|
5281 thread->create_stack_guard_pages(); |
|
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|
5282 |
| 0 | 5283 thread->initialize_tlab(); |
| 5284 | |
|
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|
5285 thread->cache_global_variables(); |
|
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|
5286 |
| 0 | 5287 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5288 // not been added to the Thread list yet. | |
| 5289 { Threads_lock->lock_without_safepoint_check(); | |
| 5290 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5291 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5292 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5293 Threads::add(thread, daemon); | |
| 5294 Threads_lock->unlock(); | |
| 5295 } | |
| 5296 // Create thread group and name info from attach arguments | |
| 5297 oop group = NULL; | |
| 5298 char* thread_name = NULL; | |
| 5299 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5300 group = JNIHandles::resolve(args->group); | |
| 5301 thread_name = args->name; // may be NULL | |
| 5302 } | |
| 5303 if (group == NULL) group = Universe::main_thread_group(); | |
| 5304 | |
| 5305 // Create Java level thread object and attach it to this thread | |
| 5306 bool attach_failed = false; | |
| 5307 { | |
| 5308 EXCEPTION_MARK; | |
| 5309 HandleMark hm(THREAD); | |
| 5310 Handle thread_group(THREAD, group); | |
| 5311 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5312 if (HAS_PENDING_EXCEPTION) { | |
| 5313 CLEAR_PENDING_EXCEPTION; | |
| 5314 // cleanup outside the handle mark. | |
| 5315 attach_failed = true; | |
| 5316 } | |
| 5317 } | |
| 5318 | |
| 5319 if (attach_failed) { | |
| 5320 // Added missing cleanup | |
| 5321 thread->cleanup_failed_attach_current_thread(); | |
| 5322 return JNI_ERR; | |
| 5323 } | |
| 5324 | |
| 5325 // mark the thread as no longer attaching | |
| 5326 // this uses a fence to push the change through so we don't have | |
| 5327 // to regrab the threads_lock | |
| 4006 | 5328 thread->set_done_attaching_via_jni(); |
| 0 | 5329 |
| 5330 // Set java thread status. | |
| 5331 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5332 java_lang_Thread::RUNNABLE); | |
| 5333 | |
| 5334 // Notify the debugger | |
| 5335 if (JvmtiExport::should_post_thread_life()) { | |
| 5336 JvmtiExport::post_thread_start(thread); | |
| 5337 } | |
| 5338 | |
| 5339 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5340 | |
| 5341 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5342 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5343 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5344 // needed. | |
| 5345 | |
| 5346 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5347 | |
| 5348 // Perform any platform dependent FPU setup | |
| 5349 os::setup_fpu(); | |
| 5350 | |
| 5351 return JNI_OK; | |
| 5352 } | |
| 5353 | |
| 5354 | |
| 5355 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5356 #ifndef USDT2 |
| 0 | 5357 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5358 #else /* USDT2 */ |
| 5359 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5360 vm, penv, _args); | |
| 5361 #endif /* USDT2 */ | |
| 0 | 5362 if (!vm_created) { |
| 4006 | 5363 #ifndef USDT2 |
| 0 | 5364 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5365 #else /* USDT2 */ |
| 5366 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5367 (uint32_t) JNI_ERR); | |
| 5368 #endif /* USDT2 */ | |
| 0 | 5369 return JNI_ERR; |
| 5370 } | |
| 5371 | |
| 5372 JNIWrapper("AttachCurrentThread"); | |
| 5373 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5374 #ifndef USDT2 |
| 0 | 5375 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5376 #else /* USDT2 */ |
| 5377 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5378 ret); | |
| 5379 #endif /* USDT2 */ | |
| 0 | 5380 return ret; |
| 5381 } | |
| 5382 | |
| 5383 | |
| 5384 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5385 #ifndef USDT2 |
| 0 | 5386 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5387 #else /* USDT2 */ |
| 5388 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5389 vm); | |
| 5390 #endif /* USDT2 */ | |
| 0 | 5391 VM_Exit::block_if_vm_exited(); |
| 5392 | |
| 5393 JNIWrapper("DetachCurrentThread"); | |
| 5394 | |
| 5395 // If the thread has been deattacted the operations is a no-op | |
| 5396 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5397 #ifndef USDT2 |
| 0 | 5398 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5399 #else /* USDT2 */ |
| 5400 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5401 JNI_OK); | |
| 5402 #endif /* USDT2 */ | |
| 0 | 5403 return JNI_OK; |
| 5404 } | |
| 5405 | |
| 5406 JavaThread* thread = JavaThread::current(); | |
| 5407 if (thread->has_last_Java_frame()) { | |
| 4006 | 5408 #ifndef USDT2 |
| 0 | 5409 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5410 #else /* USDT2 */ |
| 5411 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5412 (uint32_t) JNI_ERR); | |
| 5413 #endif /* USDT2 */ | |
| 0 | 5414 // Can't detach a thread that's running java, that can't work. |
| 5415 return JNI_ERR; | |
| 5416 } | |
| 5417 | |
| 5418 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5419 // middel of a safepoint operation | |
| 5420 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5421 | |
| 5422 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5423 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5424 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5425 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5426 // the removal of the guards is buried below in JavaThread::exit() | |
| 5427 // here. The abstraction should be more symmetrically either exposed | |
| 5428 // or hidden (e.g. it could probably be hidden in the same | |
| 5429 // (platform-dependent) methods where we do alternate stack | |
| 5430 // maintenance work?) | |
| 5431 thread->exit(false, JavaThread::jni_detach); | |
| 5432 delete thread; | |
| 5433 | |
| 4006 | 5434 #ifndef USDT2 |
| 0 | 5435 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5436 #else /* USDT2 */ |
| 5437 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5438 JNI_OK); | |
| 5439 #endif /* USDT2 */ | |
| 0 | 5440 return JNI_OK; |
| 5441 } | |
| 5442 | |
| 4006 | 5443 #ifndef USDT2 |
| 0 | 5444 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5445 #else /* USDT2 */ |
| 5446 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5447 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5448 #endif /* USDT2 */ | |
| 0 | 5449 |
| 5450 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5451 #ifndef USDT2 |
| 0 | 5452 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5453 #else /* USDT2 */ |
| 5454 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5455 vm, penv, version); | |
| 5456 #endif /* USDT2 */ | |
| 0 | 5457 jint ret = JNI_ERR; |
| 5458 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5459 | |
| 5460 if (!vm_created) { | |
| 5461 *penv = NULL; | |
| 5462 ret = JNI_EDETACHED; | |
| 5463 return ret; | |
| 5464 } | |
| 5465 | |
| 5466 if (JvmtiExport::is_jvmti_version(version)) { | |
| 5467 ret = JvmtiExport::get_jvmti_interface(vm, penv, version); | |
| 5468 return ret; | |
| 5469 } | |
| 5470 | |
| 5471 #ifndef JVMPI_VERSION_1 | |
| 5472 // need these in order to be polite about older agents | |
| 5473 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5474 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5475 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5476 #endif // !JVMPI_VERSION_1 | |
| 5477 | |
| 5478 Thread* thread = ThreadLocalStorage::thread(); | |
| 5479 if (thread != NULL && thread->is_Java_thread()) { | |
| 5480 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5481 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5482 ret = JNI_OK; | |
| 5483 return ret; | |
| 5484 | |
| 5485 } else if (version == JVMPI_VERSION_1 || | |
| 5486 version == JVMPI_VERSION_1_1 || | |
| 5487 version == JVMPI_VERSION_1_2) { | |
| 5488 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5489 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5490 ret = JNI_EVERSION; | |
| 5491 return ret; | |
| 5492 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5493 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5494 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5495 ret = JNI_EVERSION; | |
| 5496 return ret; | |
| 5497 } else { | |
| 5498 *penv = NULL; | |
| 5499 ret = JNI_EVERSION; | |
| 5500 return ret; | |
| 5501 } | |
| 5502 } else { | |
| 5503 *penv = NULL; | |
| 5504 ret = JNI_EDETACHED; | |
| 5505 return ret; | |
| 5506 } | |
| 5507 } | |
| 5508 | |
| 5509 | |
| 5510 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5511 #ifndef USDT2 |
| 0 | 5512 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5513 #else /* USDT2 */ |
| 5514 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5515 vm, penv, _args); | |
| 5516 #endif /* USDT2 */ | |
| 0 | 5517 if (!vm_created) { |
| 4006 | 5518 #ifndef USDT2 |
| 0 | 5519 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5520 #else /* USDT2 */ |
| 5521 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5522 (uint32_t) JNI_ERR); | |
| 5523 #endif /* USDT2 */ | |
| 0 | 5524 return JNI_ERR; |
| 5525 } | |
| 5526 | |
| 5527 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5528 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5529 #ifndef USDT2 |
| 0 | 5530 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5531 #else /* USDT2 */ |
| 5532 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5533 ret); | |
| 5534 #endif /* USDT2 */ | |
| 0 | 5535 return ret; |
| 5536 } | |
| 5537 | |
| 5538 | |
| 5539 } // End extern "C" | |
| 5540 | |
| 5541 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5542 NULL, | |
| 5543 NULL, | |
| 5544 NULL, | |
| 5545 | |
| 5546 jni_DestroyJavaVM, | |
| 5547 jni_AttachCurrentThread, | |
| 5548 jni_DetachCurrentThread, | |
| 5549 jni_GetEnv, | |
| 5550 jni_AttachCurrentThreadAsDaemon | |
| 5551 }; |