src/share/vm/prims/jni.cpp

Wed, 27 Aug 2014 08:19:12 -0400

author
zgu
date
Wed, 27 Aug 2014 08:19:12 -0400
changeset 7074
833b0f92429a
parent 7051
1f1d373cd044
child 7333
b12a2a9b05ca
permissions
-rw-r--r--

8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill

duke@435 1 /*
drchase@6680 2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
coleenp@4148 3 * Copyright (c) 2012 Red Hat, Inc.
duke@435 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 5 *
duke@435 6 * This code is free software; you can redistribute it and/or modify it
duke@435 7 * under the terms of the GNU General Public License version 2 only, as
duke@435 8 * published by the Free Software Foundation.
duke@435 9 *
duke@435 10 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 13 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 14 * accompanied this code).
duke@435 15 *
duke@435 16 * You should have received a copy of the GNU General Public License version
duke@435 17 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 19 *
trims@1907 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 21 * or visit www.oracle.com if you need additional information or have any
trims@1907 22 * questions.
duke@435 23 *
duke@435 24 */
duke@435 25
stefank@2314 26 #include "precompiled.hpp"
minqi@4267 27 #include "ci/ciReplay.hpp"
coleenp@3865 28 #include "classfile/altHashing.hpp"
stefank@2314 29 #include "classfile/classLoader.hpp"
stefank@2314 30 #include "classfile/javaClasses.hpp"
stefank@2314 31 #include "classfile/symbolTable.hpp"
stefank@2314 32 #include "classfile/systemDictionary.hpp"
stefank@2314 33 #include "classfile/vmSymbols.hpp"
stefank@2314 34 #include "interpreter/linkResolver.hpp"
jprovino@4542 35 #include "utilities/macros.hpp"
jprovino@4542 36 #if INCLUDE_ALL_GCS
johnc@2781 37 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
jprovino@4542 38 #endif // INCLUDE_ALL_GCS
zgu@3900 39 #include "memory/allocation.hpp"
stefank@2314 40 #include "memory/allocation.inline.hpp"
stefank@2314 41 #include "memory/gcLocker.inline.hpp"
stefank@2314 42 #include "memory/oopFactory.hpp"
stefank@2314 43 #include "memory/universe.inline.hpp"
stefank@2314 44 #include "oops/instanceKlass.hpp"
stefank@2314 45 #include "oops/instanceOop.hpp"
stefank@2314 46 #include "oops/markOop.hpp"
coleenp@4037 47 #include "oops/method.hpp"
stefank@2314 48 #include "oops/objArrayKlass.hpp"
stefank@2314 49 #include "oops/objArrayOop.hpp"
stefank@2314 50 #include "oops/oop.inline.hpp"
coleenp@2497 51 #include "oops/symbol.hpp"
stefank@2314 52 #include "oops/typeArrayKlass.hpp"
stefank@2314 53 #include "oops/typeArrayOop.hpp"
stefank@2314 54 #include "prims/jni.h"
stefank@2314 55 #include "prims/jniCheck.hpp"
phh@3427 56 #include "prims/jniExport.hpp"
stefank@2314 57 #include "prims/jniFastGetField.hpp"
stefank@2314 58 #include "prims/jvm.h"
stefank@2314 59 #include "prims/jvm_misc.hpp"
stefank@2314 60 #include "prims/jvmtiExport.hpp"
stefank@2314 61 #include "prims/jvmtiThreadState.hpp"
stefank@2314 62 #include "runtime/compilationPolicy.hpp"
stefank@2314 63 #include "runtime/fieldDescriptor.hpp"
stefank@2314 64 #include "runtime/fprofiler.hpp"
stefank@2314 65 #include "runtime/handles.inline.hpp"
stefank@2314 66 #include "runtime/interfaceSupport.hpp"
stefank@2314 67 #include "runtime/java.hpp"
stefank@2314 68 #include "runtime/javaCalls.hpp"
stefank@2314 69 #include "runtime/jfieldIDWorkaround.hpp"
goetz@6911 70 #include "runtime/orderAccess.inline.hpp"
stefank@2314 71 #include "runtime/reflection.hpp"
stefank@2314 72 #include "runtime/sharedRuntime.hpp"
stefank@2314 73 #include "runtime/signature.hpp"
stefank@4299 74 #include "runtime/thread.inline.hpp"
stefank@2314 75 #include "runtime/vm_operations.hpp"
zgu@7074 76 #include "services/memTracker.hpp"
stefank@2314 77 #include "services/runtimeService.hpp"
phh@3427 78 #include "trace/tracing.hpp"
stefank@2314 79 #include "utilities/defaultStream.hpp"
stefank@2314 80 #include "utilities/dtrace.hpp"
stefank@2314 81 #include "utilities/events.hpp"
stefank@2314 82 #include "utilities/histogram.hpp"
stefank@2314 83 #ifdef TARGET_OS_FAMILY_linux
stefank@2314 84 # include "os_linux.inline.hpp"
stefank@2314 85 #endif
stefank@2314 86 #ifdef TARGET_OS_FAMILY_solaris
stefank@2314 87 # include "os_solaris.inline.hpp"
stefank@2314 88 #endif
stefank@2314 89 #ifdef TARGET_OS_FAMILY_windows
stefank@2314 90 # include "os_windows.inline.hpp"
stefank@2314 91 #endif
never@3156 92 #ifdef TARGET_OS_FAMILY_bsd
never@3156 93 # include "os_bsd.inline.hpp"
never@3156 94 #endif
duke@435 95
bpittore@4793 96 static jint CurrentVersion = JNI_VERSION_1_8;
duke@435 97
duke@435 98
duke@435 99 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace
duke@435 100 // '-return' probe regardless of the return path is taken out of the function.
duke@435 101 // Methods that have multiple return paths use this to avoid having to
duke@435 102 // instrument each return path. Methods that use CHECK or THROW must use this
duke@435 103 // since those macros can cause an immedate uninstrumented return.
duke@435 104 //
duke@435 105 // In order to get the return value, a reference to the variable containing
duke@435 106 // the return value must be passed to the contructor of the object, and
duke@435 107 // the return value must be set before return (since the mark object has
duke@435 108 // a reference to it).
duke@435 109 //
duke@435 110 // Example:
duke@435 111 // DT_RETURN_MARK_DECL(SomeFunc, int);
duke@435 112 // JNI_ENTRY(int, SomeFunc, ...)
duke@435 113 // int return_value = 0;
duke@435 114 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value);
duke@435 115 // foo(CHECK_0)
duke@435 116 // return_value = 5;
duke@435 117 // return return_value;
duke@435 118 // JNI_END
dcubed@3202 119 #ifndef USDT2
duke@435 120 #define DT_RETURN_MARK_DECL(name, type) \
duke@435 121 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \
duke@435 122 DTRACE_ONLY( \
duke@435 123 class DTraceReturnProbeMark_##name { \
duke@435 124 public: \
duke@435 125 const type& _ret_ref; \
duke@435 126 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \
duke@435 127 ~DTraceReturnProbeMark_##name() { \
duke@435 128 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \
duke@435 129 } \
duke@435 130 } \
duke@435 131 )
duke@435 132 // Void functions are simpler since there's no return value
duke@435 133 #define DT_VOID_RETURN_MARK_DECL(name) \
duke@435 134 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \
duke@435 135 DTRACE_ONLY( \
duke@435 136 class DTraceReturnProbeMark_##name { \
duke@435 137 public: \
duke@435 138 ~DTraceReturnProbeMark_##name() { \
duke@435 139 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \
duke@435 140 } \
duke@435 141 } \
duke@435 142 )
duke@435 143
dcubed@3202 144 #else /* USDT2 */
dcubed@3202 145
dcubed@3202 146 #define DT_RETURN_MARK_DECL(name, type, probe) \
dcubed@3202 147 DTRACE_ONLY( \
dcubed@3202 148 class DTraceReturnProbeMark_##name { \
dcubed@3202 149 public: \
dcubed@3202 150 const type& _ret_ref; \
dcubed@3202 151 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \
dcubed@3202 152 ~DTraceReturnProbeMark_##name() { \
dcubed@3202 153 probe; \
dcubed@3202 154 } \
dcubed@3202 155 } \
dcubed@3202 156 )
dcubed@3202 157 // Void functions are simpler since there's no return value
dcubed@3202 158 #define DT_VOID_RETURN_MARK_DECL(name, probe) \
dcubed@3202 159 DTRACE_ONLY( \
dcubed@3202 160 class DTraceReturnProbeMark_##name { \
dcubed@3202 161 public: \
dcubed@3202 162 ~DTraceReturnProbeMark_##name() { \
dcubed@3202 163 probe; \
dcubed@3202 164 } \
dcubed@3202 165 } \
dcubed@3202 166 )
dcubed@3202 167 #endif /* USDT2 */
duke@435 168
duke@435 169 // Place these macros in the function to mark the return. Non-void
duke@435 170 // functions need the type and address of the return value.
duke@435 171 #define DT_RETURN_MARK(name, type, ref) \
duke@435 172 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) )
duke@435 173 #define DT_VOID_RETURN_MARK(name) \
duke@435 174 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark )
duke@435 175
duke@435 176
duke@435 177 // Use these to select distinct code for floating-point vs. non-floating point
duke@435 178 // situations. Used from within common macros where we need slightly
duke@435 179 // different behavior for Float/Double
duke@435 180 #define FP_SELECT_Boolean(intcode, fpcode) intcode
duke@435 181 #define FP_SELECT_Byte(intcode, fpcode) intcode
duke@435 182 #define FP_SELECT_Char(intcode, fpcode) intcode
duke@435 183 #define FP_SELECT_Short(intcode, fpcode) intcode
duke@435 184 #define FP_SELECT_Object(intcode, fpcode) intcode
duke@435 185 #define FP_SELECT_Int(intcode, fpcode) intcode
duke@435 186 #define FP_SELECT_Long(intcode, fpcode) intcode
duke@435 187 #define FP_SELECT_Float(intcode, fpcode) fpcode
duke@435 188 #define FP_SELECT_Double(intcode, fpcode) fpcode
duke@435 189 #define FP_SELECT(TypeName, intcode, fpcode) \
duke@435 190 FP_SELECT_##TypeName(intcode, fpcode)
duke@435 191
duke@435 192 #define COMMA ,
duke@435 193
duke@435 194 // Choose DT_RETURN_MARK macros based on the type: float/double -> void
duke@435 195 // (dtrace doesn't do FP yet)
dcubed@3202 196 #ifndef USDT2
duke@435 197 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \
duke@435 198 FP_SELECT(TypeName, \
duke@435 199 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) )
dcubed@3202 200 #else /* USDT2 */
dcubed@3202 201 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \
dcubed@3202 202 FP_SELECT(TypeName, \
dcubed@3202 203 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) )
dcubed@3202 204 #endif /* USDT2 */
duke@435 205 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \
duke@435 206 FP_SELECT(TypeName, \
duke@435 207 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) )
duke@435 208
duke@435 209
duke@435 210 // out-of-line helpers for class jfieldIDWorkaround:
duke@435 211
coleenp@4037 212 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) {
duke@435 213 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) {
duke@435 214 uintptr_t as_uint = (uintptr_t) id;
duke@435 215 intptr_t offset = raw_instance_offset(id);
duke@435 216 if (is_checked_jfieldID(id)) {
duke@435 217 if (!klass_hash_ok(k, id)) {
duke@435 218 return false;
duke@435 219 }
duke@435 220 }
coleenp@4037 221 return InstanceKlass::cast(k)->contains_field_offset(offset);
duke@435 222 } else {
duke@435 223 JNIid* result = (JNIid*) id;
duke@435 224 #ifdef ASSERT
duke@435 225 return result != NULL && result->is_static_field_id();
duke@435 226 #else
duke@435 227 return result != NULL;
duke@435 228 #endif
duke@435 229 }
duke@435 230 }
duke@435 231
duke@435 232
coleenp@4037 233 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) {
duke@435 234 if (offset <= small_offset_mask) {
coleenp@4037 235 Klass* field_klass = k;
hseigel@4278 236 Klass* super_klass = field_klass->super();
coleenp@548 237 // With compressed oops the most super class with nonstatic fields would
coleenp@548 238 // be the owner of fields embedded in the header.
coleenp@4037 239 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() &&
coleenp@4037 240 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) {
duke@435 241 field_klass = super_klass; // super contains the field also
hseigel@4278 242 super_klass = field_klass->super();
duke@435 243 }
duke@435 244 debug_only(No_Safepoint_Verifier nosafepoint;)
duke@435 245 uintptr_t klass_hash = field_klass->identity_hash();
duke@435 246 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place;
duke@435 247 } else {
duke@435 248 #if 0
duke@435 249 #ifndef PRODUCT
duke@435 250 {
duke@435 251 ResourceMark rm;
hseigel@4278 252 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name());
duke@435 253 }
duke@435 254 #endif
duke@435 255 #endif
duke@435 256 return 0;
duke@435 257 }
duke@435 258 }
duke@435 259
coleenp@4037 260 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) {
duke@435 261 uintptr_t as_uint = (uintptr_t) id;
duke@435 262 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask;
duke@435 263 do {
duke@435 264 debug_only(No_Safepoint_Verifier nosafepoint;)
duke@435 265 // Could use a non-blocking query for identity_hash here...
duke@435 266 if ((k->identity_hash() & klass_mask) == klass_hash)
duke@435 267 return true;
hseigel@4278 268 k = k->super();
duke@435 269 } while (k != NULL);
duke@435 270 return false;
duke@435 271 }
duke@435 272
coleenp@4037 273 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) {
duke@435 274 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" );
duke@435 275 uintptr_t as_uint = (uintptr_t) id;
duke@435 276 intptr_t offset = raw_instance_offset(id);
duke@435 277 if (VerifyJNIFields) {
duke@435 278 if (is_checked_jfieldID(id)) {
duke@435 279 guarantee(klass_hash_ok(k, id),
duke@435 280 "Bug in native code: jfieldID class must match object");
duke@435 281 } else {
duke@435 282 #if 0
duke@435 283 #ifndef PRODUCT
duke@435 284 if (Verbose) {
duke@435 285 ResourceMark rm;
hseigel@4278 286 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name());
duke@435 287 }
duke@435 288 #endif
duke@435 289 #endif
duke@435 290 }
duke@435 291 }
coleenp@4037 292 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset),
duke@435 293 "Bug in native code: jfieldID offset must address interior of object");
duke@435 294 }
duke@435 295
duke@435 296 // Wrapper to trace JNI functions
duke@435 297
duke@435 298 #ifdef ASSERT
duke@435 299 Histogram* JNIHistogram;
duke@435 300 static volatile jint JNIHistogram_lock = 0;
duke@435 301
duke@435 302 class JNITraceWrapper : public StackObj {
duke@435 303 public:
drchase@6680 304 JNITraceWrapper(const char* format, ...) ATTRIBUTE_PRINTF(2, 3) {
duke@435 305 if (TraceJNICalls) {
duke@435 306 va_list ap;
duke@435 307 va_start(ap, format);
duke@435 308 tty->print("JNI ");
duke@435 309 tty->vprint_cr(format, ap);
duke@435 310 va_end(ap);
duke@435 311 }
duke@435 312 }
duke@435 313 };
duke@435 314
duke@435 315 class JNIHistogramElement : public HistogramElement {
duke@435 316 public:
duke@435 317 JNIHistogramElement(const char* name);
duke@435 318 };
duke@435 319
duke@435 320 JNIHistogramElement::JNIHistogramElement(const char* elementName) {
duke@435 321 _name = elementName;
duke@435 322 uintx count = 0;
duke@435 323
duke@435 324 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) {
duke@435 325 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) {
duke@435 326 count +=1;
duke@435 327 if ( (WarnOnStalledSpinLock > 0)
duke@435 328 && (count % WarnOnStalledSpinLock == 0)) {
duke@435 329 warning("JNIHistogram_lock seems to be stalled");
duke@435 330 }
duke@435 331 }
duke@435 332 }
duke@435 333
duke@435 334
duke@435 335 if(JNIHistogram == NULL)
duke@435 336 JNIHistogram = new Histogram("JNI Call Counts",100);
duke@435 337
duke@435 338 JNIHistogram->add_element(this);
duke@435 339 Atomic::dec(&JNIHistogram_lock);
duke@435 340 }
duke@435 341
duke@435 342 #define JNICountWrapper(arg) \
duke@435 343 static JNIHistogramElement* e = new JNIHistogramElement(arg); \
duke@435 344 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \
duke@435 345 if (e != NULL) e->increment_count()
duke@435 346 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg)
duke@435 347 #else
duke@435 348 #define JNIWrapper(arg)
duke@435 349 #endif
duke@435 350
duke@435 351
duke@435 352 // Implementation of JNI entries
duke@435 353
dcubed@3202 354 #ifndef USDT2
duke@435 355 DT_RETURN_MARK_DECL(DefineClass, jclass);
dcubed@3202 356 #else /* USDT2 */
dcubed@3202 357 DT_RETURN_MARK_DECL(DefineClass, jclass
dcubed@3202 358 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref));
dcubed@3202 359 #endif /* USDT2 */
duke@435 360
duke@435 361 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef,
duke@435 362 const jbyte *buf, jsize bufLen))
duke@435 363 JNIWrapper("DefineClass");
duke@435 364
dcubed@3202 365 #ifndef USDT2
duke@435 366 DTRACE_PROBE5(hotspot_jni, DefineClass__entry,
duke@435 367 env, name, loaderRef, buf, bufLen);
dcubed@3202 368 #else /* USDT2 */
dcubed@3202 369 HOTSPOT_JNI_DEFINECLASS_ENTRY(
dcubed@3202 370 env, (char*) name, loaderRef, (char*) buf, bufLen);
dcubed@3202 371 #endif /* USDT2 */
duke@435 372 jclass cls = NULL;
duke@435 373 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls);
duke@435 374
fparain@3828 375 TempNewSymbol class_name = NULL;
duke@435 376 // Since exceptions can be thrown, class initialization can take place
duke@435 377 // if name is NULL no check for class name in .class stream has to be made.
duke@435 378 if (name != NULL) {
duke@435 379 const int str_len = (int)strlen(name);
coleenp@2497 380 if (str_len > Symbol::max_length()) {
duke@435 381 // It's impossible to create this class; the name cannot fit
duke@435 382 // into the constant pool.
duke@435 383 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name);
duke@435 384 }
fparain@3828 385 class_name = SymbolTable::new_symbol(name, CHECK_NULL);
duke@435 386 }
duke@435 387 ResourceMark rm(THREAD);
duke@435 388 ClassFileStream st((u1*) buf, bufLen, NULL);
duke@435 389 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef));
duke@435 390
duke@435 391 if (UsePerfData && !class_loader.is_null()) {
duke@435 392 // check whether the current caller thread holds the lock or not.
duke@435 393 // If not, increment the corresponding counter
duke@435 394 if (ObjectSynchronizer::
duke@435 395 query_lock_ownership((JavaThread*)THREAD, class_loader) !=
duke@435 396 ObjectSynchronizer::owner_self) {
duke@435 397 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc();
duke@435 398 }
duke@435 399 }
coleenp@4037 400 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader,
acorn@1408 401 Handle(), &st, true,
acorn@1408 402 CHECK_NULL);
duke@435 403
acorn@1092 404 if (TraceClassResolution && k != NULL) {
acorn@1092 405 trace_class_resolution(k);
acorn@1092 406 }
acorn@1092 407
duke@435 408 cls = (jclass)JNIHandles::make_local(
hseigel@4278 409 env, k->java_mirror());
duke@435 410 return cls;
duke@435 411 JNI_END
duke@435 412
duke@435 413
duke@435 414
duke@435 415 static bool first_time_FindClass = true;
duke@435 416
dcubed@3202 417 #ifndef USDT2
duke@435 418 DT_RETURN_MARK_DECL(FindClass, jclass);
dcubed@3202 419 #else /* USDT2 */
dcubed@3202 420 DT_RETURN_MARK_DECL(FindClass, jclass
dcubed@3202 421 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref));
dcubed@3202 422 #endif /* USDT2 */
duke@435 423
duke@435 424 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name))
duke@435 425 JNIWrapper("FindClass");
dcubed@3202 426 #ifndef USDT2
duke@435 427 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name);
dcubed@3202 428 #else /* USDT2 */
dcubed@3202 429 HOTSPOT_JNI_FINDCLASS_ENTRY(
dcubed@3202 430 env, (char *)name);
dcubed@3202 431 #endif /* USDT2 */
duke@435 432
duke@435 433 jclass result = NULL;
duke@435 434 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result);
duke@435 435
duke@435 436 // Remember if we are the first invocation of jni_FindClass
duke@435 437 bool first_time = first_time_FindClass;
duke@435 438 first_time_FindClass = false;
duke@435 439
duke@435 440 // Sanity check the name: it cannot be null or larger than the maximum size
duke@435 441 // name we can fit in the constant pool.
coleenp@2497 442 if (name == NULL || (int)strlen(name) > Symbol::max_length()) {
duke@435 443 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name);
duke@435 444 }
duke@435 445
duke@435 446 //%note jni_3
duke@435 447 Handle loader;
duke@435 448 Handle protection_domain;
duke@435 449 // Find calling class
duke@435 450 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0));
duke@435 451 if (k.not_null()) {
duke@435 452 loader = Handle(THREAD, k->class_loader());
duke@435 453 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed
duke@435 454 // in the correct class context.
duke@435 455 if (loader.is_null() &&
duke@435 456 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) {
duke@435 457 JavaValue result(T_OBJECT);
duke@435 458 JavaCalls::call_static(&result, k,
coleenp@2497 459 vmSymbols::getFromClass_name(),
coleenp@2497 460 vmSymbols::void_class_signature(),
duke@435 461 thread);
duke@435 462 if (HAS_PENDING_EXCEPTION) {
duke@435 463 Handle ex(thread, thread->pending_exception());
duke@435 464 CLEAR_PENDING_EXCEPTION;
duke@435 465 THROW_HANDLE_0(ex);
duke@435 466 }
duke@435 467 oop mirror = (oop) result.get_jobject();
duke@435 468 loader = Handle(THREAD,
coleenp@4037 469 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader());
duke@435 470 protection_domain = Handle(THREAD,
coleenp@4037 471 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain());
duke@435 472 }
duke@435 473 } else {
duke@435 474 // We call ClassLoader.getSystemClassLoader to obtain the system class loader.
duke@435 475 loader = Handle(THREAD, SystemDictionary::java_system_loader());
duke@435 476 }
duke@435 477
coleenp@2497 478 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL);
duke@435 479 result = find_class_from_class_loader(env, sym, true, loader,
duke@435 480 protection_domain, true, thread);
duke@435 481
acorn@1092 482 if (TraceClassResolution && result != NULL) {
coleenp@4037 483 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result)));
acorn@1092 484 }
acorn@1092 485
duke@435 486 // If we were the first invocation of jni_FindClass, we enable compilation again
duke@435 487 // rather than just allowing invocation counter to overflow and decay.
duke@435 488 // Controlled by flag DelayCompilationDuringStartup.
duke@435 489 if (first_time && !CompileTheWorld)
duke@435 490 CompilationPolicy::completed_vm_startup();
duke@435 491
duke@435 492 return result;
duke@435 493 JNI_END
duke@435 494
dcubed@3202 495 #ifndef USDT2
duke@435 496 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID);
dcubed@3202 497 #else /* USDT2 */
dcubed@3202 498 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID
dcubed@3202 499 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref));
dcubed@3202 500 #endif /* USDT2 */
duke@435 501
duke@435 502 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method))
duke@435 503 JNIWrapper("FromReflectedMethod");
dcubed@3202 504 #ifndef USDT2
duke@435 505 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method);
dcubed@3202 506 #else /* USDT2 */
dcubed@3202 507 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY(
dcubed@3202 508 env, method);
dcubed@3202 509 #endif /* USDT2 */
duke@435 510 jmethodID ret = NULL;
duke@435 511 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret);
duke@435 512
duke@435 513 // method is a handle to a java.lang.reflect.Method object
duke@435 514 oop reflected = JNIHandles::resolve_non_null(method);
duke@435 515 oop mirror = NULL;
duke@435 516 int slot = 0;
duke@435 517
never@1577 518 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) {
duke@435 519 mirror = java_lang_reflect_Constructor::clazz(reflected);
duke@435 520 slot = java_lang_reflect_Constructor::slot(reflected);
duke@435 521 } else {
never@1577 522 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
duke@435 523 mirror = java_lang_reflect_Method::clazz(reflected);
duke@435 524 slot = java_lang_reflect_Method::slot(reflected);
duke@435 525 }
coleenp@4037 526 Klass* k = java_lang_Class::as_Klass(mirror);
duke@435 527
duke@435 528 KlassHandle k1(THREAD, k);
duke@435 529 // Make sure class is initialized before handing id's out to methods
hseigel@4278 530 k1()->initialize(CHECK_NULL);
coleenp@4037 531 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot);
duke@435 532 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted
duke@435 533 return ret;
duke@435 534 JNI_END
duke@435 535
dcubed@3202 536 #ifndef USDT2
duke@435 537 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID);
dcubed@3202 538 #else /* USDT2 */
dcubed@3202 539 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID
dcubed@3202 540 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref));
dcubed@3202 541 #endif /* USDT2 */
duke@435 542
duke@435 543 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field))
duke@435 544 JNIWrapper("FromReflectedField");
dcubed@3202 545 #ifndef USDT2
duke@435 546 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field);
dcubed@3202 547 #else /* USDT2 */
dcubed@3202 548 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY(
dcubed@3202 549 env, field);
dcubed@3202 550 #endif /* USDT2 */
duke@435 551 jfieldID ret = NULL;
duke@435 552 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret);
duke@435 553
duke@435 554 // field is a handle to a java.lang.reflect.Field object
duke@435 555 oop reflected = JNIHandles::resolve_non_null(field);
duke@435 556 oop mirror = java_lang_reflect_Field::clazz(reflected);
coleenp@4037 557 Klass* k = java_lang_Class::as_Klass(mirror);
duke@435 558 int slot = java_lang_reflect_Field::slot(reflected);
duke@435 559 int modifiers = java_lang_reflect_Field::modifiers(reflected);
duke@435 560
duke@435 561 KlassHandle k1(THREAD, k);
duke@435 562 // Make sure class is initialized before handing id's out to fields
hseigel@4278 563 k1()->initialize(CHECK_NULL);
duke@435 564
duke@435 565 // First check if this is a static field
duke@435 566 if (modifiers & JVM_ACC_STATIC) {
coleenp@4037 567 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot );
coleenp@4037 568 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset);
duke@435 569 assert(id != NULL, "corrupt Field object");
duke@435 570 debug_only(id->set_is_static_field_id();)
coleenp@4037 571 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass*
duke@435 572 ret = jfieldIDWorkaround::to_static_jfieldID(id);
duke@435 573 return ret;
duke@435 574 }
duke@435 575
duke@435 576 // The slot is the index of the field description in the field-array
duke@435 577 // The jfieldID is the offset of the field within the object
duke@435 578 // It may also have hash bits for k, if VerifyJNIFields is turned on.
coleenp@4037 579 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot );
coleenp@4037 580 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object");
duke@435 581 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset);
duke@435 582 return ret;
duke@435 583 JNI_END
duke@435 584
dcubed@3202 585 #ifndef USDT2
duke@435 586 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject);
dcubed@3202 587 #else /* USDT2 */
dcubed@3202 588 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject
dcubed@3202 589 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref));
dcubed@3202 590 #endif /* USDT2 */
duke@435 591
duke@435 592 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic))
duke@435 593 JNIWrapper("ToReflectedMethod");
dcubed@3202 594 #ifndef USDT2
duke@435 595 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic);
dcubed@3202 596 #else /* USDT2 */
dcubed@3202 597 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY(
dcubed@3202 598 env, cls, (uintptr_t) method_id, isStatic);
dcubed@3202 599 #endif /* USDT2 */
duke@435 600 jobject ret = NULL;
duke@435 601 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret);
duke@435 602
coleenp@4037 603 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id));
duke@435 604 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match");
duke@435 605 oop reflection_method;
duke@435 606 if (m->is_initializer()) {
duke@435 607 reflection_method = Reflection::new_constructor(m, CHECK_NULL);
duke@435 608 } else {
duke@435 609 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL);
duke@435 610 }
duke@435 611 ret = JNIHandles::make_local(env, reflection_method);
duke@435 612 return ret;
duke@435 613 JNI_END
duke@435 614
dcubed@3202 615 #ifndef USDT2
duke@435 616 DT_RETURN_MARK_DECL(GetSuperclass, jclass);
dcubed@3202 617 #else /* USDT2 */
dcubed@3202 618 DT_RETURN_MARK_DECL(GetSuperclass, jclass
dcubed@3202 619 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref));
dcubed@3202 620 #endif /* USDT2 */
duke@435 621
duke@435 622 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub))
duke@435 623 JNIWrapper("GetSuperclass");
dcubed@3202 624 #ifndef USDT2
duke@435 625 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub);
dcubed@3202 626 #else /* USDT2 */
dcubed@3202 627 HOTSPOT_JNI_GETSUPERCLASS_ENTRY(
dcubed@3202 628 env, sub);
dcubed@3202 629 #endif /* USDT2 */
duke@435 630 jclass obj = NULL;
duke@435 631 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj);
duke@435 632
duke@435 633 oop mirror = JNIHandles::resolve_non_null(sub);
duke@435 634 // primitive classes return NULL
duke@435 635 if (java_lang_Class::is_primitive(mirror)) return NULL;
duke@435 636
duke@435 637 // Rules of Class.getSuperClass as implemented by KLass::java_super:
duke@435 638 // arrays return Object
duke@435 639 // interfaces return NULL
duke@435 640 // proper classes return Klass::super()
coleenp@4037 641 Klass* k = java_lang_Class::as_Klass(mirror);
hseigel@4278 642 if (k->is_interface()) return NULL;
duke@435 643
duke@435 644 // return mirror for superclass
hseigel@4278 645 Klass* super = k->java_super();
duke@435 646 // super2 is the value computed by the compiler's getSuperClass intrinsic:
hseigel@4278 647 debug_only(Klass* super2 = ( k->oop_is_array()
never@1577 648 ? SystemDictionary::Object_klass()
hseigel@4278 649 : k->super() ) );
duke@435 650 assert(super == super2,
duke@435 651 "java_super computation depends on interface, array, other super");
hseigel@4278 652 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror());
duke@435 653 return obj;
duke@435 654 JNI_END
duke@435 655
duke@435 656 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super))
duke@435 657 JNIWrapper("IsSubclassOf");
dcubed@3202 658 #ifndef USDT2
duke@435 659 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super);
dcubed@3202 660 #else /* USDT2 */
dcubed@3202 661 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY(
dcubed@3202 662 env, sub, super);
dcubed@3202 663 #endif /* USDT2 */
duke@435 664 oop sub_mirror = JNIHandles::resolve_non_null(sub);
duke@435 665 oop super_mirror = JNIHandles::resolve_non_null(super);
duke@435 666 if (java_lang_Class::is_primitive(sub_mirror) ||
duke@435 667 java_lang_Class::is_primitive(super_mirror)) {
duke@435 668 jboolean ret = (sub_mirror == super_mirror);
dcubed@3202 669 #ifndef USDT2
duke@435 670 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret);
dcubed@3202 671 #else /* USDT2 */
dcubed@3202 672 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(
dcubed@3202 673 ret);
dcubed@3202 674 #endif /* USDT2 */
duke@435 675 return ret;
duke@435 676 }
coleenp@4037 677 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror);
coleenp@4037 678 Klass* super_klass = java_lang_Class::as_Klass(super_mirror);
duke@435 679 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom");
hseigel@4278 680 jboolean ret = sub_klass->is_subtype_of(super_klass) ?
duke@435 681 JNI_TRUE : JNI_FALSE;
dcubed@3202 682 #ifndef USDT2
duke@435 683 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret);
dcubed@3202 684 #else /* USDT2 */
dcubed@3202 685 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(
dcubed@3202 686 ret);
dcubed@3202 687 #endif /* USDT2 */
duke@435 688 return ret;
duke@435 689 JNI_END
duke@435 690
dcubed@3202 691 #ifndef USDT2
duke@435 692 DT_RETURN_MARK_DECL(Throw, jint);
dcubed@3202 693 #else /* USDT2 */
dcubed@3202 694 DT_RETURN_MARK_DECL(Throw, jint
dcubed@3202 695 , HOTSPOT_JNI_THROW_RETURN(_ret_ref));
dcubed@3202 696 #endif /* USDT2 */
duke@435 697
duke@435 698 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj))
duke@435 699 JNIWrapper("Throw");
dcubed@3202 700 #ifndef USDT2
duke@435 701 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj);
dcubed@3202 702 #else /* USDT2 */
dcubed@3202 703 HOTSPOT_JNI_THROW_ENTRY(
dcubed@3202 704 env, obj);
dcubed@3202 705 #endif /* USDT2 */
duke@435 706 jint ret = JNI_OK;
duke@435 707 DT_RETURN_MARK(Throw, jint, (const jint&)ret);
duke@435 708
duke@435 709 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK);
duke@435 710 ShouldNotReachHere();
duke@435 711 JNI_END
duke@435 712
dcubed@3202 713 #ifndef USDT2
duke@435 714 DT_RETURN_MARK_DECL(ThrowNew, jint);
dcubed@3202 715 #else /* USDT2 */
dcubed@3202 716 DT_RETURN_MARK_DECL(ThrowNew, jint
dcubed@3202 717 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref));
dcubed@3202 718 #endif /* USDT2 */
duke@435 719
duke@435 720 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message))
duke@435 721 JNIWrapper("ThrowNew");
dcubed@3202 722 #ifndef USDT2
duke@435 723 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message);
dcubed@3202 724 #else /* USDT2 */
dcubed@3202 725 HOTSPOT_JNI_THROWNEW_ENTRY(
dcubed@3202 726 env, clazz, (char *) message);
dcubed@3202 727 #endif /* USDT2 */
duke@435 728 jint ret = JNI_OK;
duke@435 729 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret);
duke@435 730
coleenp@4037 731 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
coleenp@2497 732 Symbol* name = k->name();
duke@435 733 Handle class_loader (THREAD, k->class_loader());
duke@435 734 Handle protection_domain (THREAD, k->protection_domain());
duke@435 735 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK);
duke@435 736 ShouldNotReachHere();
duke@435 737 JNI_END
duke@435 738
duke@435 739
duke@435 740 // JNI functions only transform a pending async exception to a synchronous
duke@435 741 // exception in ExceptionOccurred and ExceptionCheck calls, since
duke@435 742 // delivering an async exception in other places won't change the native
duke@435 743 // code's control flow and would be harmful when native code further calls
duke@435 744 // JNI functions with a pending exception. Async exception is also checked
duke@435 745 // during the call, so ExceptionOccurred/ExceptionCheck won't return
duke@435 746 // false but deliver the async exception at the very end during
duke@435 747 // state transition.
duke@435 748
duke@435 749 static void jni_check_async_exceptions(JavaThread *thread) {
duke@435 750 assert(thread == Thread::current(), "must be itself");
duke@435 751 thread->check_and_handle_async_exceptions();
duke@435 752 }
duke@435 753
duke@435 754 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env))
duke@435 755 JNIWrapper("ExceptionOccurred");
dcubed@3202 756 #ifndef USDT2
duke@435 757 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env);
dcubed@3202 758 #else /* USDT2 */
dcubed@3202 759 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY(
dcubed@3202 760 env);
dcubed@3202 761 #endif /* USDT2 */
duke@435 762 jni_check_async_exceptions(thread);
duke@435 763 oop exception = thread->pending_exception();
duke@435 764 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception);
dcubed@3202 765 #ifndef USDT2
duke@435 766 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret);
dcubed@3202 767 #else /* USDT2 */
dcubed@3202 768 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN(
dcubed@3202 769 ret);
dcubed@3202 770 #endif /* USDT2 */
duke@435 771 return ret;
duke@435 772 JNI_END
duke@435 773
duke@435 774
duke@435 775 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env))
duke@435 776 JNIWrapper("ExceptionDescribe");
dcubed@3202 777 #ifndef USDT2
duke@435 778 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env);
dcubed@3202 779 #else /* USDT2 */
dcubed@3202 780 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY(
dcubed@3202 781 env);
dcubed@3202 782 #endif /* USDT2 */
duke@435 783 if (thread->has_pending_exception()) {
duke@435 784 Handle ex(thread, thread->pending_exception());
duke@435 785 thread->clear_pending_exception();
never@1577 786 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) {
duke@435 787 // Don't print anything if we are being killed.
duke@435 788 } else {
duke@435 789 jio_fprintf(defaultStream::error_stream(), "Exception ");
duke@435 790 if (thread != NULL && thread->threadObj() != NULL) {
duke@435 791 ResourceMark rm(THREAD);
duke@435 792 jio_fprintf(defaultStream::error_stream(),
duke@435 793 "in thread \"%s\" ", thread->get_thread_name());
duke@435 794 }
never@1577 795 if (ex->is_a(SystemDictionary::Throwable_klass())) {
duke@435 796 JavaValue result(T_VOID);
duke@435 797 JavaCalls::call_virtual(&result,
duke@435 798 ex,
duke@435 799 KlassHandle(THREAD,
never@1577 800 SystemDictionary::Throwable_klass()),
coleenp@2497 801 vmSymbols::printStackTrace_name(),
coleenp@2497 802 vmSymbols::void_method_signature(),
duke@435 803 THREAD);
duke@435 804 // If an exception is thrown in the call it gets thrown away. Not much
duke@435 805 // we can do with it. The native code that calls this, does not check
duke@435 806 // for the exception - hence, it might still be in the thread when DestroyVM gets
duke@435 807 // called, potentially causing a few asserts to trigger - since no pending exception
duke@435 808 // is expected.
duke@435 809 CLEAR_PENDING_EXCEPTION;
duke@435 810 } else {
duke@435 811 ResourceMark rm(THREAD);
duke@435 812 jio_fprintf(defaultStream::error_stream(),
duke@435 813 ". Uncaught exception of type %s.",
hseigel@4278 814 ex->klass()->external_name());
duke@435 815 }
duke@435 816 }
duke@435 817 }
dcubed@3202 818 #ifndef USDT2
duke@435 819 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return);
dcubed@3202 820 #else /* USDT2 */
dcubed@3202 821 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN(
dcubed@3202 822 );
dcubed@3202 823 #endif /* USDT2 */
duke@435 824 JNI_END
duke@435 825
duke@435 826
duke@435 827 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env))
duke@435 828 JNIWrapper("ExceptionClear");
dcubed@3202 829 #ifndef USDT2
duke@435 830 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env);
dcubed@3202 831 #else /* USDT2 */
dcubed@3202 832 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY(
dcubed@3202 833 env);
dcubed@3202 834 #endif /* USDT2 */
duke@435 835
duke@435 836 // The jni code might be using this API to clear java thrown exception.
duke@435 837 // So just mark jvmti thread exception state as exception caught.
duke@435 838 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state();
duke@435 839 if (state != NULL && state->is_exception_detected()) {
duke@435 840 state->set_exception_caught();
duke@435 841 }
duke@435 842 thread->clear_pending_exception();
dcubed@3202 843 #ifndef USDT2
duke@435 844 DTRACE_PROBE(hotspot_jni, ExceptionClear__return);
dcubed@3202 845 #else /* USDT2 */
dcubed@3202 846 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN(
dcubed@3202 847 );
dcubed@3202 848 #endif /* USDT2 */
duke@435 849 JNI_END
duke@435 850
duke@435 851
duke@435 852 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg))
duke@435 853 JNIWrapper("FatalError");
dcubed@3202 854 #ifndef USDT2
duke@435 855 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg);
dcubed@3202 856 #else /* USDT2 */
dcubed@3202 857 HOTSPOT_JNI_FATALERROR_ENTRY(
dcubed@3202 858 env, (char *) msg);
dcubed@3202 859 #endif /* USDT2 */
duke@435 860 tty->print_cr("FATAL ERROR in native method: %s", msg);
duke@435 861 thread->print_stack();
poonam@662 862 os::abort(); // Dump core and abort
duke@435 863 JNI_END
duke@435 864
duke@435 865
duke@435 866 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity))
duke@435 867 JNIWrapper("PushLocalFrame");
dcubed@3202 868 #ifndef USDT2
duke@435 869 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity);
dcubed@3202 870 #else /* USDT2 */
dcubed@3202 871 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY(
dcubed@3202 872 env, capacity);
dcubed@3202 873 #endif /* USDT2 */
duke@435 874 //%note jni_11
dsimms@7038 875 if (capacity < 0 ||
dsimms@7038 876 ((MaxJNILocalCapacity > 0) && (capacity > MaxJNILocalCapacity))) {
dcubed@3202 877 #ifndef USDT2
duke@435 878 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR);
dcubed@3202 879 #else /* USDT2 */
dcubed@3202 880 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(
dcubed@3202 881 (uint32_t)JNI_ERR);
dcubed@3202 882 #endif /* USDT2 */
duke@435 883 return JNI_ERR;
duke@435 884 }
duke@435 885 JNIHandleBlock* old_handles = thread->active_handles();
duke@435 886 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread);
duke@435 887 assert(new_handles != NULL, "should not be NULL");
duke@435 888 new_handles->set_pop_frame_link(old_handles);
duke@435 889 thread->set_active_handles(new_handles);
duke@435 890 jint ret = JNI_OK;
dcubed@3202 891 #ifndef USDT2
duke@435 892 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret);
dcubed@3202 893 #else /* USDT2 */
dcubed@3202 894 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(
dcubed@3202 895 ret);
dcubed@3202 896 #endif /* USDT2 */
duke@435 897 return ret;
duke@435 898 JNI_END
duke@435 899
duke@435 900
duke@435 901 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result))
duke@435 902 JNIWrapper("PopLocalFrame");
dcubed@3202 903 #ifndef USDT2
duke@435 904 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result);
dcubed@3202 905 #else /* USDT2 */
dcubed@3202 906 HOTSPOT_JNI_POPLOCALFRAME_ENTRY(
dcubed@3202 907 env, result);
dcubed@3202 908 #endif /* USDT2 */
duke@435 909 //%note jni_11
duke@435 910 Handle result_handle(thread, JNIHandles::resolve(result));
duke@435 911 JNIHandleBlock* old_handles = thread->active_handles();
duke@435 912 JNIHandleBlock* new_handles = old_handles->pop_frame_link();
duke@435 913 if (new_handles != NULL) {
duke@435 914 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL.
duke@435 915 // This way code will still work if PopLocalFrame is called without a corresponding
duke@435 916 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise
duke@435 917 // the release_block call will release the blocks.
duke@435 918 thread->set_active_handles(new_handles);
duke@435 919 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below
duke@435 920 JNIHandleBlock::release_block(old_handles, thread); // may block
duke@435 921 result = JNIHandles::make_local(thread, result_handle());
duke@435 922 }
dcubed@3202 923 #ifndef USDT2
duke@435 924 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result);
dcubed@3202 925 #else /* USDT2 */
dcubed@3202 926 HOTSPOT_JNI_POPLOCALFRAME_RETURN(
dcubed@3202 927 result);
dcubed@3202 928 #endif /* USDT2 */
duke@435 929 return result;
duke@435 930 JNI_END
duke@435 931
duke@435 932
duke@435 933 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref))
duke@435 934 JNIWrapper("NewGlobalRef");
dcubed@3202 935 #ifndef USDT2
duke@435 936 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref);
dcubed@3202 937 #else /* USDT2 */
dcubed@3202 938 HOTSPOT_JNI_NEWGLOBALREF_ENTRY(
dcubed@3202 939 env, ref);
dcubed@3202 940 #endif /* USDT2 */
duke@435 941 Handle ref_handle(thread, JNIHandles::resolve(ref));
duke@435 942 jobject ret = JNIHandles::make_global(ref_handle);
dcubed@3202 943 #ifndef USDT2
duke@435 944 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret);
dcubed@3202 945 #else /* USDT2 */
dcubed@3202 946 HOTSPOT_JNI_NEWGLOBALREF_RETURN(
dcubed@3202 947 ret);
dcubed@3202 948 #endif /* USDT2 */
duke@435 949 return ret;
duke@435 950 JNI_END
duke@435 951
duke@435 952 // Must be JNI_ENTRY (with HandleMark)
duke@435 953 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref))
duke@435 954 JNIWrapper("DeleteGlobalRef");
dcubed@3202 955 #ifndef USDT2
duke@435 956 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref);
dcubed@3202 957 #else /* USDT2 */
dcubed@3202 958 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY(
dcubed@3202 959 env, ref);
dcubed@3202 960 #endif /* USDT2 */
duke@435 961 JNIHandles::destroy_global(ref);
dcubed@3202 962 #ifndef USDT2
duke@435 963 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return);
dcubed@3202 964 #else /* USDT2 */
dcubed@3202 965 HOTSPOT_JNI_DELETEGLOBALREF_RETURN(
dcubed@3202 966 );
dcubed@3202 967 #endif /* USDT2 */
duke@435 968 JNI_END
duke@435 969
duke@435 970 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj))
duke@435 971 JNIWrapper("DeleteLocalRef");
dcubed@3202 972 #ifndef USDT2
duke@435 973 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj);
dcubed@3202 974 #else /* USDT2 */
dcubed@3202 975 HOTSPOT_JNI_DELETELOCALREF_ENTRY(
dcubed@3202 976 env, obj);
dcubed@3202 977 #endif /* USDT2 */
duke@435 978 JNIHandles::destroy_local(obj);
dcubed@3202 979 #ifndef USDT2
duke@435 980 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return);
dcubed@3202 981 #else /* USDT2 */
dcubed@3202 982 HOTSPOT_JNI_DELETELOCALREF_RETURN(
dcubed@3202 983 );
dcubed@3202 984 #endif /* USDT2 */
duke@435 985 JNI_END
duke@435 986
duke@435 987 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2))
duke@435 988 JNIWrapper("IsSameObject");
dcubed@3202 989 #ifndef USDT2
duke@435 990 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2);
dcubed@3202 991 #else /* USDT2 */
dcubed@3202 992 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY(
dcubed@3202 993 env, r1, r2);
dcubed@3202 994 #endif /* USDT2 */
duke@435 995 oop a = JNIHandles::resolve(r1);
duke@435 996 oop b = JNIHandles::resolve(r2);
duke@435 997 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE;
dcubed@3202 998 #ifndef USDT2
duke@435 999 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret);
dcubed@3202 1000 #else /* USDT2 */
dcubed@3202 1001 HOTSPOT_JNI_ISSAMEOBJECT_RETURN(
dcubed@3202 1002 ret);
dcubed@3202 1003 #endif /* USDT2 */
duke@435 1004 return ret;
duke@435 1005 JNI_END
duke@435 1006
duke@435 1007
duke@435 1008 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref))
duke@435 1009 JNIWrapper("NewLocalRef");
dcubed@3202 1010 #ifndef USDT2
duke@435 1011 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref);
dcubed@3202 1012 #else /* USDT2 */
dcubed@3202 1013 HOTSPOT_JNI_NEWLOCALREF_ENTRY(
dcubed@3202 1014 env, ref);
dcubed@3202 1015 #endif /* USDT2 */
duke@435 1016 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref));
dcubed@3202 1017 #ifndef USDT2
duke@435 1018 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret);
dcubed@3202 1019 #else /* USDT2 */
dcubed@3202 1020 HOTSPOT_JNI_NEWLOCALREF_RETURN(
dcubed@3202 1021 ret);
dcubed@3202 1022 #endif /* USDT2 */
duke@435 1023 return ret;
duke@435 1024 JNI_END
duke@435 1025
duke@435 1026 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity))
duke@435 1027 JNIWrapper("EnsureLocalCapacity");
dcubed@3202 1028 #ifndef USDT2
duke@435 1029 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity);
dcubed@3202 1030 #else /* USDT2 */
dcubed@3202 1031 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY(
dcubed@3202 1032 env, capacity);
dcubed@3202 1033 #endif /* USDT2 */
duke@435 1034 jint ret;
dsimms@7038 1035 if (capacity >= 0 &&
dsimms@7038 1036 ((MaxJNILocalCapacity <= 0) || (capacity <= MaxJNILocalCapacity))) {
duke@435 1037 ret = JNI_OK;
duke@435 1038 } else {
duke@435 1039 ret = JNI_ERR;
duke@435 1040 }
dcubed@3202 1041 #ifndef USDT2
duke@435 1042 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret);
dcubed@3202 1043 #else /* USDT2 */
dcubed@3202 1044 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN(
dcubed@3202 1045 ret);
dcubed@3202 1046 #endif /* USDT2 */
duke@435 1047 return ret;
duke@435 1048 JNI_END
duke@435 1049
duke@435 1050 // Return the Handle Type
duke@435 1051 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj))
duke@435 1052 JNIWrapper("GetObjectRefType");
dcubed@3202 1053 #ifndef USDT2
duke@435 1054 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj);
dcubed@3202 1055 #else /* USDT2 */
dcubed@3202 1056 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY(
dcubed@3202 1057 env, obj);
dcubed@3202 1058 #endif /* USDT2 */
duke@435 1059 jobjectRefType ret;
duke@435 1060 if (JNIHandles::is_local_handle(thread, obj) ||
duke@435 1061 JNIHandles::is_frame_handle(thread, obj))
duke@435 1062 ret = JNILocalRefType;
duke@435 1063 else if (JNIHandles::is_global_handle(obj))
duke@435 1064 ret = JNIGlobalRefType;
duke@435 1065 else if (JNIHandles::is_weak_global_handle(obj))
duke@435 1066 ret = JNIWeakGlobalRefType;
duke@435 1067 else
duke@435 1068 ret = JNIInvalidRefType;
dcubed@3202 1069 #ifndef USDT2
duke@435 1070 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret);
dcubed@3202 1071 #else /* USDT2 */
dcubed@3202 1072 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN(
dcubed@3202 1073 (void *) ret);
dcubed@3202 1074 #endif /* USDT2 */
duke@435 1075 return ret;
duke@435 1076 JNI_END
duke@435 1077
duke@435 1078
duke@435 1079 class JNI_ArgumentPusher : public SignatureIterator {
duke@435 1080 protected:
duke@435 1081 JavaCallArguments* _arguments;
duke@435 1082
duke@435 1083 virtual void get_bool () = 0;
duke@435 1084 virtual void get_char () = 0;
duke@435 1085 virtual void get_short () = 0;
duke@435 1086 virtual void get_byte () = 0;
duke@435 1087 virtual void get_int () = 0;
duke@435 1088 virtual void get_long () = 0;
duke@435 1089 virtual void get_float () = 0;
duke@435 1090 virtual void get_double () = 0;
duke@435 1091 virtual void get_object () = 0;
duke@435 1092
coleenp@2497 1093 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) {
duke@435 1094 this->_return_type = T_ILLEGAL;
duke@435 1095 _arguments = NULL;
duke@435 1096 }
duke@435 1097
duke@435 1098 public:
duke@435 1099 virtual void iterate( uint64_t fingerprint ) = 0;
duke@435 1100
duke@435 1101 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; }
duke@435 1102
duke@435 1103 inline void do_bool() { if (!is_return_type()) get_bool(); }
duke@435 1104 inline void do_char() { if (!is_return_type()) get_char(); }
duke@435 1105 inline void do_short() { if (!is_return_type()) get_short(); }
duke@435 1106 inline void do_byte() { if (!is_return_type()) get_byte(); }
duke@435 1107 inline void do_int() { if (!is_return_type()) get_int(); }
duke@435 1108 inline void do_long() { if (!is_return_type()) get_long(); }
duke@435 1109 inline void do_float() { if (!is_return_type()) get_float(); }
duke@435 1110 inline void do_double() { if (!is_return_type()) get_double(); }
duke@435 1111 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); }
duke@435 1112 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array
duke@435 1113 inline void do_void() { }
duke@435 1114
duke@435 1115 JavaCallArguments* arguments() { return _arguments; }
duke@435 1116 void push_receiver(Handle h) { _arguments->push_oop(h); }
duke@435 1117 };
duke@435 1118
duke@435 1119
duke@435 1120 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher {
duke@435 1121 protected:
duke@435 1122 va_list _ap;
duke@435 1123
duke@435 1124 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg
duke@435 1125 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg
duke@435 1126 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg
duke@435 1127 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg
duke@435 1128 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); }
duke@435 1129
duke@435 1130 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests
duke@435 1131
duke@435 1132 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); }
duke@435 1133 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg
duke@435 1134 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); }
duke@435 1135 inline void get_object() { jobject l = va_arg(_ap, jobject);
duke@435 1136 _arguments->push_oop(Handle((oop *)l, false)); }
duke@435 1137
duke@435 1138 inline void set_ap(va_list rap) {
duke@435 1139 #ifdef va_copy
duke@435 1140 va_copy(_ap, rap);
duke@435 1141 #elif defined (__va_copy)
duke@435 1142 __va_copy(_ap, rap);
duke@435 1143 #else
duke@435 1144 _ap = rap;
duke@435 1145 #endif
duke@435 1146 }
duke@435 1147
duke@435 1148 public:
coleenp@2497 1149 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap)
coleenp@2497 1150 : JNI_ArgumentPusher(signature) {
duke@435 1151 set_ap(rap);
duke@435 1152 }
coleenp@2497 1153 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap)
coleenp@4037 1154 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) {
duke@435 1155 set_ap(rap);
duke@435 1156 }
duke@435 1157
duke@435 1158 // Optimized path if we have the bitvector form of signature
duke@435 1159 void iterate( uint64_t fingerprint ) {
duke@435 1160 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments
duke@435 1161 else {
duke@435 1162 _return_type = (BasicType)((fingerprint >> static_feature_size) &
duke@435 1163 result_feature_mask);
duke@435 1164
duke@435 1165 assert(fingerprint, "Fingerprint should not be 0");
duke@435 1166 fingerprint = fingerprint >> (static_feature_size + result_feature_size);
duke@435 1167 while ( 1 ) {
duke@435 1168 switch ( fingerprint & parameter_feature_mask ) {
duke@435 1169 case bool_parm:
duke@435 1170 case char_parm:
duke@435 1171 case short_parm:
duke@435 1172 case byte_parm:
duke@435 1173 case int_parm:
duke@435 1174 get_int();
duke@435 1175 break;
duke@435 1176 case obj_parm:
duke@435 1177 get_object();
duke@435 1178 break;
duke@435 1179 case long_parm:
duke@435 1180 get_long();
duke@435 1181 break;
duke@435 1182 case float_parm:
duke@435 1183 get_float();
duke@435 1184 break;
duke@435 1185 case double_parm:
duke@435 1186 get_double();
duke@435 1187 break;
duke@435 1188 case done_parm:
duke@435 1189 return;
duke@435 1190 break;
duke@435 1191 default:
duke@435 1192 ShouldNotReachHere();
duke@435 1193 break;
duke@435 1194 }
duke@435 1195 fingerprint >>= parameter_feature_size;
duke@435 1196 }
duke@435 1197 }
duke@435 1198 }
duke@435 1199 };
duke@435 1200
duke@435 1201
duke@435 1202 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher {
duke@435 1203 protected:
duke@435 1204 const jvalue *_ap;
duke@435 1205
duke@435 1206 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); }
duke@435 1207 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); }
duke@435 1208 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); }
duke@435 1209 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); }
duke@435 1210 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); }
duke@435 1211
duke@435 1212 inline void get_long() { _arguments->push_long((_ap++)->j); }
duke@435 1213 inline void get_float() { _arguments->push_float((_ap++)->f); }
duke@435 1214 inline void get_double() { _arguments->push_double((_ap++)->d);}
duke@435 1215 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); }
duke@435 1216
duke@435 1217 inline void set_ap(const jvalue *rap) { _ap = rap; }
duke@435 1218
duke@435 1219 public:
coleenp@2497 1220 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap)
coleenp@2497 1221 : JNI_ArgumentPusher(signature) {
duke@435 1222 set_ap(rap);
duke@435 1223 }
coleenp@2497 1224 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap)
coleenp@4037 1225 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) {
duke@435 1226 set_ap(rap);
duke@435 1227 }
duke@435 1228
duke@435 1229 // Optimized path if we have the bitvector form of signature
duke@435 1230 void iterate( uint64_t fingerprint ) {
duke@435 1231 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments
duke@435 1232 else {
duke@435 1233 _return_type = (BasicType)((fingerprint >> static_feature_size) &
duke@435 1234 result_feature_mask);
duke@435 1235 assert(fingerprint, "Fingerprint should not be 0");
duke@435 1236 fingerprint = fingerprint >> (static_feature_size + result_feature_size);
duke@435 1237 while ( 1 ) {
duke@435 1238 switch ( fingerprint & parameter_feature_mask ) {
duke@435 1239 case bool_parm:
duke@435 1240 get_bool();
duke@435 1241 break;
duke@435 1242 case char_parm:
duke@435 1243 get_char();
duke@435 1244 break;
duke@435 1245 case short_parm:
duke@435 1246 get_short();
duke@435 1247 break;
duke@435 1248 case byte_parm:
duke@435 1249 get_byte();
duke@435 1250 break;
duke@435 1251 case int_parm:
duke@435 1252 get_int();
duke@435 1253 break;
duke@435 1254 case obj_parm:
duke@435 1255 get_object();
duke@435 1256 break;
duke@435 1257 case long_parm:
duke@435 1258 get_long();
duke@435 1259 break;
duke@435 1260 case float_parm:
duke@435 1261 get_float();
duke@435 1262 break;
duke@435 1263 case double_parm:
duke@435 1264 get_double();
duke@435 1265 break;
duke@435 1266 case done_parm:
duke@435 1267 return;
duke@435 1268 break;
duke@435 1269 default:
duke@435 1270 ShouldNotReachHere();
duke@435 1271 break;
duke@435 1272 }
duke@435 1273 fingerprint >>= parameter_feature_size;
duke@435 1274 }
duke@435 1275 }
duke@435 1276 }
duke@435 1277 };
duke@435 1278
duke@435 1279
duke@435 1280 enum JNICallType {
duke@435 1281 JNI_STATIC,
duke@435 1282 JNI_VIRTUAL,
duke@435 1283 JNI_NONVIRTUAL
duke@435 1284 };
duke@435 1285
duke@435 1286
duke@435 1287
duke@435 1288 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) {
coleenp@4037 1289 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id));
duke@435 1290
duke@435 1291 // Create object to hold arguments for the JavaCall, and associate it with
duke@435 1292 // the jni parser
duke@435 1293 ResourceMark rm(THREAD);
duke@435 1294 int number_of_parameters = method->size_of_parameters();
duke@435 1295 JavaCallArguments java_args(number_of_parameters);
duke@435 1296 args->set_java_argument_object(&java_args);
duke@435 1297
duke@435 1298 assert(method->is_static(), "method should be static");
duke@435 1299
duke@435 1300 // Fill out JavaCallArguments object
coleenp@2497 1301 args->iterate( Fingerprinter(method).fingerprint() );
duke@435 1302 // Initialize result type
duke@435 1303 result->set_type(args->get_ret_type());
duke@435 1304
duke@435 1305 // Invoke the method. Result is returned as oop.
duke@435 1306 JavaCalls::call(result, method, &java_args, CHECK);
duke@435 1307
duke@435 1308 // Convert result
duke@435 1309 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) {
duke@435 1310 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject()));
duke@435 1311 }
duke@435 1312 }
duke@435 1313
duke@435 1314
duke@435 1315 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) {
duke@435 1316 oop recv = JNIHandles::resolve(receiver);
duke@435 1317 if (recv == NULL) {
duke@435 1318 THROW(vmSymbols::java_lang_NullPointerException());
duke@435 1319 }
duke@435 1320 Handle h_recv(THREAD, recv);
duke@435 1321
duke@435 1322 int number_of_parameters;
coleenp@4037 1323 Method* selected_method;
duke@435 1324 {
coleenp@4037 1325 Method* m = Method::resolve_jmethod_id(method_id);
duke@435 1326 number_of_parameters = m->size_of_parameters();
coleenp@4037 1327 Klass* holder = m->method_holder();
hseigel@4278 1328 if (!(holder)->is_interface()) {
duke@435 1329 // non-interface call -- for that little speed boost, don't handlize
duke@435 1330 debug_only(No_Safepoint_Verifier nosafepoint;)
duke@435 1331 if (call_type == JNI_VIRTUAL) {
duke@435 1332 // jni_GetMethodID makes sure class is linked and initialized
duke@435 1333 // so m should have a valid vtable index.
drchase@5732 1334 assert(!m->has_itable_index(), "");
duke@435 1335 int vtbl_index = m->vtable_index();
coleenp@4037 1336 if (vtbl_index != Method::nonvirtual_vtable_index) {
coleenp@4037 1337 Klass* k = h_recv->klass();
duke@435 1338 // k might be an arrayKlassOop but all vtables start at
duke@435 1339 // the same place. The cast is to avoid virtual call and assertion.
coleenp@4037 1340 InstanceKlass *ik = (InstanceKlass*)k;
duke@435 1341 selected_method = ik->method_at_vtable(vtbl_index);
duke@435 1342 } else {
duke@435 1343 // final method
duke@435 1344 selected_method = m;
duke@435 1345 }
duke@435 1346 } else {
duke@435 1347 // JNI_NONVIRTUAL call
duke@435 1348 selected_method = m;
duke@435 1349 }
duke@435 1350 } else {
duke@435 1351 // interface call
duke@435 1352 KlassHandle h_holder(THREAD, holder);
duke@435 1353
sla@6327 1354 if (call_type == JNI_VIRTUAL) {
sla@6327 1355 int itbl_index = m->itable_index();
sla@6327 1356 Klass* k = h_recv->klass();
sla@6327 1357 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK);
sla@6327 1358 } else {
sla@6327 1359 selected_method = m;
sla@6327 1360 }
duke@435 1361 }
duke@435 1362 }
duke@435 1363
duke@435 1364 methodHandle method(THREAD, selected_method);
duke@435 1365
duke@435 1366 // Create object to hold arguments for the JavaCall, and associate it with
duke@435 1367 // the jni parser
duke@435 1368 ResourceMark rm(THREAD);
duke@435 1369 JavaCallArguments java_args(number_of_parameters);
duke@435 1370 args->set_java_argument_object(&java_args);
duke@435 1371
duke@435 1372 // handle arguments
duke@435 1373 assert(!method->is_static(), "method should not be static");
duke@435 1374 args->push_receiver(h_recv); // Push jobject handle
duke@435 1375
duke@435 1376 // Fill out JavaCallArguments object
coleenp@2497 1377 args->iterate( Fingerprinter(method).fingerprint() );
duke@435 1378 // Initialize result type
duke@435 1379 result->set_type(args->get_ret_type());
duke@435 1380
duke@435 1381 // Invoke the method. Result is returned as oop.
duke@435 1382 JavaCalls::call(result, method, &java_args, CHECK);
duke@435 1383
duke@435 1384 // Convert result
duke@435 1385 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) {
duke@435 1386 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject()));
duke@435 1387 }
duke@435 1388 }
duke@435 1389
duke@435 1390
duke@435 1391 static instanceOop alloc_object(jclass clazz, TRAPS) {
coleenp@4037 1392 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
hseigel@4278 1393 k()->check_valid_for_instantiation(false, CHECK_NULL);
coleenp@4037 1394 InstanceKlass::cast(k())->initialize(CHECK_NULL);
coleenp@4037 1395 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD);
duke@435 1396 return ih;
duke@435 1397 }
duke@435 1398
dcubed@3202 1399 #ifndef USDT2
duke@435 1400 DT_RETURN_MARK_DECL(AllocObject, jobject);
dcubed@3202 1401 #else /* USDT2 */
dcubed@3202 1402 DT_RETURN_MARK_DECL(AllocObject, jobject
dcubed@3202 1403 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref));
dcubed@3202 1404 #endif /* USDT2 */
duke@435 1405
duke@435 1406 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz))
duke@435 1407 JNIWrapper("AllocObject");
duke@435 1408
dcubed@3202 1409 #ifndef USDT2
duke@435 1410 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz);
dcubed@3202 1411 #else /* USDT2 */
dcubed@3202 1412 HOTSPOT_JNI_ALLOCOBJECT_ENTRY(
dcubed@3202 1413 env, clazz);
dcubed@3202 1414 #endif /* USDT2 */
duke@435 1415 jobject ret = NULL;
duke@435 1416 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret);
duke@435 1417
duke@435 1418 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1419 ret = JNIHandles::make_local(env, i);
duke@435 1420 return ret;
duke@435 1421 JNI_END
duke@435 1422
dcubed@3202 1423 #ifndef USDT2
duke@435 1424 DT_RETURN_MARK_DECL(NewObjectA, jobject);
dcubed@3202 1425 #else /* USDT2 */
dcubed@3202 1426 DT_RETURN_MARK_DECL(NewObjectA, jobject
dcubed@3202 1427 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref));
dcubed@3202 1428 #endif /* USDT2 */
duke@435 1429
duke@435 1430 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args))
duke@435 1431 JNIWrapper("NewObjectA");
dcubed@3202 1432 #ifndef USDT2
duke@435 1433 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID);
dcubed@3202 1434 #else /* USDT2 */
dcubed@3202 1435 HOTSPOT_JNI_NEWOBJECTA_ENTRY(
dcubed@3202 1436 env, clazz, (uintptr_t) methodID);
dcubed@3202 1437 #endif /* USDT2 */
duke@435 1438 jobject obj = NULL;
duke@435 1439 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj);
duke@435 1440
duke@435 1441 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1442 obj = JNIHandles::make_local(env, i);
duke@435 1443 JavaValue jvalue(T_VOID);
coleenp@2497 1444 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 1445 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
duke@435 1446 return obj;
duke@435 1447 JNI_END
duke@435 1448
dcubed@3202 1449 #ifndef USDT2
duke@435 1450 DT_RETURN_MARK_DECL(NewObjectV, jobject);
dcubed@3202 1451 #else /* USDT2 */
dcubed@3202 1452 DT_RETURN_MARK_DECL(NewObjectV, jobject
dcubed@3202 1453 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref));
dcubed@3202 1454 #endif /* USDT2 */
duke@435 1455
duke@435 1456 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args))
duke@435 1457 JNIWrapper("NewObjectV");
dcubed@3202 1458 #ifndef USDT2
duke@435 1459 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID);
dcubed@3202 1460 #else /* USDT2 */
dcubed@3202 1461 HOTSPOT_JNI_NEWOBJECTV_ENTRY(
dcubed@3202 1462 env, clazz, (uintptr_t) methodID);
dcubed@3202 1463 #endif /* USDT2 */
duke@435 1464 jobject obj = NULL;
duke@435 1465 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj);
duke@435 1466
duke@435 1467 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1468 obj = JNIHandles::make_local(env, i);
duke@435 1469 JavaValue jvalue(T_VOID);
coleenp@2497 1470 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1471 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
duke@435 1472 return obj;
duke@435 1473 JNI_END
duke@435 1474
dcubed@3202 1475 #ifndef USDT2
duke@435 1476 DT_RETURN_MARK_DECL(NewObject, jobject);
dcubed@3202 1477 #else /* USDT2 */
dcubed@3202 1478 DT_RETURN_MARK_DECL(NewObject, jobject
dcubed@3202 1479 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref));
dcubed@3202 1480 #endif /* USDT2 */
duke@435 1481
duke@435 1482 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...))
duke@435 1483 JNIWrapper("NewObject");
dcubed@3202 1484 #ifndef USDT2
duke@435 1485 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID);
dcubed@3202 1486 #else /* USDT2 */
dcubed@3202 1487 HOTSPOT_JNI_NEWOBJECT_ENTRY(
dcubed@3202 1488 env, clazz, (uintptr_t) methodID);
dcubed@3202 1489 #endif /* USDT2 */
duke@435 1490 jobject obj = NULL;
duke@435 1491 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj);
duke@435 1492
duke@435 1493 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1494 obj = JNIHandles::make_local(env, i);
duke@435 1495 va_list args;
duke@435 1496 va_start(args, methodID);
duke@435 1497 JavaValue jvalue(T_VOID);
coleenp@2497 1498 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1499 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
duke@435 1500 va_end(args);
duke@435 1501 return obj;
duke@435 1502 JNI_END
duke@435 1503
duke@435 1504
duke@435 1505 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj))
duke@435 1506 JNIWrapper("GetObjectClass");
dcubed@3202 1507 #ifndef USDT2
duke@435 1508 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj);
dcubed@3202 1509 #else /* USDT2 */
dcubed@3202 1510 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY(
dcubed@3202 1511 env, obj);
dcubed@3202 1512 #endif /* USDT2 */
coleenp@4037 1513 Klass* k = JNIHandles::resolve_non_null(obj)->klass();
duke@435 1514 jclass ret =
hseigel@4278 1515 (jclass) JNIHandles::make_local(env, k->java_mirror());
dcubed@3202 1516 #ifndef USDT2
duke@435 1517 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret);
dcubed@3202 1518 #else /* USDT2 */
dcubed@3202 1519 HOTSPOT_JNI_GETOBJECTCLASS_RETURN(
dcubed@3202 1520 ret);
dcubed@3202 1521 #endif /* USDT2 */
duke@435 1522 return ret;
duke@435 1523 JNI_END
duke@435 1524
duke@435 1525 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz))
duke@435 1526 JNIWrapper("IsInstanceOf");
dcubed@3202 1527 #ifndef USDT2
duke@435 1528 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz);
dcubed@3202 1529 #else /* USDT2 */
dcubed@3202 1530 HOTSPOT_JNI_ISINSTANCEOF_ENTRY(
dcubed@3202 1531 env, obj, clazz);
dcubed@3202 1532 #endif /* USDT2 */
duke@435 1533 jboolean ret = JNI_TRUE;
duke@435 1534 if (obj != NULL) {
duke@435 1535 ret = JNI_FALSE;
coleenp@4037 1536 Klass* k = java_lang_Class::as_Klass(
duke@435 1537 JNIHandles::resolve_non_null(clazz));
duke@435 1538 if (k != NULL) {
duke@435 1539 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE;
duke@435 1540 }
duke@435 1541 }
dcubed@3202 1542 #ifndef USDT2
duke@435 1543 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret);
dcubed@3202 1544 #else /* USDT2 */
dcubed@3202 1545 HOTSPOT_JNI_ISINSTANCEOF_RETURN(
dcubed@3202 1546 ret);
dcubed@3202 1547 #endif /* USDT2 */
duke@435 1548 return ret;
duke@435 1549 JNI_END
duke@435 1550
duke@435 1551
duke@435 1552 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str,
duke@435 1553 const char *sig, bool is_static, TRAPS) {
duke@435 1554 // %%%% This code should probably just call into a method in the LinkResolver
duke@435 1555 //
duke@435 1556 // The class should have been loaded (we have an instance of the class
duke@435 1557 // passed in) so the method and signature should already be in the symbol
duke@435 1558 // table. If they're not there, the method doesn't exist.
coleenp@2497 1559 const char *name_to_probe = (name_str == NULL)
coleenp@2497 1560 ? vmSymbols::object_initializer_name()->as_C_string()
coleenp@2497 1561 : name_str;
coleenp@2497 1562 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe));
coleenp@2497 1563 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig));
coleenp@2497 1564
coleenp@2497 1565 if (name == NULL || signature == NULL) {
duke@435 1566 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
duke@435 1567 }
duke@435 1568
duke@435 1569 // Throw a NoSuchMethodError exception if we have an instance of a
duke@435 1570 // primitive java.lang.Class
duke@435 1571 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) {
duke@435 1572 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
duke@435 1573 }
duke@435 1574
duke@435 1575 KlassHandle klass(THREAD,
coleenp@4037 1576 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 1577
duke@435 1578 // Make sure class is linked and initialized before handing id's out to
coleenp@4037 1579 // Method*s.
hseigel@4278 1580 klass()->initialize(CHECK_NULL);
duke@435 1581
coleenp@4037 1582 Method* m;
coleenp@2497 1583 if (name == vmSymbols::object_initializer_name() ||
coleenp@2497 1584 name == vmSymbols::class_initializer_name()) {
duke@435 1585 // Never search superclasses for constructors
duke@435 1586 if (klass->oop_is_instance()) {
coleenp@4037 1587 m = InstanceKlass::cast(klass())->find_method(name, signature);
duke@435 1588 } else {
duke@435 1589 m = NULL;
duke@435 1590 }
duke@435 1591 } else {
coleenp@2497 1592 m = klass->lookup_method(name, signature);
acorn@5848 1593 if (m == NULL && klass->oop_is_instance()) {
acorn@5848 1594 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature);
duke@435 1595 }
duke@435 1596 }
duke@435 1597 if (m == NULL || (m->is_static() != is_static)) {
duke@435 1598 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
duke@435 1599 }
duke@435 1600 return m->jmethod_id();
duke@435 1601 }
duke@435 1602
duke@435 1603
duke@435 1604 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz,
duke@435 1605 const char *name, const char *sig))
duke@435 1606 JNIWrapper("GetMethodID");
dcubed@3202 1607 #ifndef USDT2
duke@435 1608 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig);
dcubed@3202 1609 #else /* USDT2 */
dcubed@3202 1610 HOTSPOT_JNI_GETMETHODID_ENTRY(
dcubed@3202 1611 env, clazz, (char *) name, (char *) sig);
dcubed@3202 1612 #endif /* USDT2 */
duke@435 1613 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread);
dcubed@3202 1614 #ifndef USDT2
duke@435 1615 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret);
dcubed@3202 1616 #else /* USDT2 */
dcubed@3202 1617 HOTSPOT_JNI_GETMETHODID_RETURN(
dcubed@3202 1618 (uintptr_t) ret);
dcubed@3202 1619 #endif /* USDT2 */
duke@435 1620 return ret;
duke@435 1621 JNI_END
duke@435 1622
duke@435 1623
duke@435 1624 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz,
duke@435 1625 const char *name, const char *sig))
duke@435 1626 JNIWrapper("GetStaticMethodID");
dcubed@3202 1627 #ifndef USDT2
duke@435 1628 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig);
dcubed@3202 1629 #else /* USDT2 */
dcubed@3202 1630 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY(
dcubed@3202 1631 env, (char *) clazz, (char *) name, (char *)sig);
dcubed@3202 1632 #endif /* USDT2 */
duke@435 1633 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread);
dcubed@3202 1634 #ifndef USDT2
duke@435 1635 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret);
dcubed@3202 1636 #else /* USDT2 */
dcubed@3202 1637 HOTSPOT_JNI_GETSTATICMETHODID_RETURN(
dcubed@3202 1638 (uintptr_t) ret);
dcubed@3202 1639 #endif /* USDT2 */
duke@435 1640 return ret;
duke@435 1641 JNI_END
duke@435 1642
duke@435 1643
duke@435 1644
duke@435 1645 //
duke@435 1646 // Calling Methods
duke@435 1647 //
duke@435 1648
dcubed@3202 1649 #ifndef USDT2
duke@435 1650 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \
duke@435 1651 \
duke@435 1652 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\
duke@435 1653 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\
duke@435 1654 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\
duke@435 1655 \
duke@435 1656 JNI_ENTRY(ResultType, \
duke@435 1657 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \
duke@435 1658 JNIWrapper("Call" XSTR(Result) "Method"); \
duke@435 1659 \
dcubed@3202 1660 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \
duke@435 1661 ResultType ret = 0;\
duke@435 1662 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \
duke@435 1663 (const ResultType&)ret);\
duke@435 1664 \
duke@435 1665 va_list args; \
duke@435 1666 va_start(args, methodID); \
duke@435 1667 JavaValue jvalue(Tag); \
coleenp@2497 1668 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 1669 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1670 va_end(args); \
duke@435 1671 ret = jvalue.get_##ResultType(); \
duke@435 1672 return ret;\
duke@435 1673 JNI_END \
duke@435 1674 \
duke@435 1675 \
duke@435 1676 JNI_ENTRY(ResultType, \
duke@435 1677 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \
duke@435 1678 JNIWrapper("Call" XSTR(Result) "MethodV"); \
duke@435 1679 \
dcubed@3202 1680 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \
duke@435 1681 ResultType ret = 0;\
duke@435 1682 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \
duke@435 1683 (const ResultType&)ret);\
duke@435 1684 \
duke@435 1685 JavaValue jvalue(Tag); \
coleenp@2497 1686 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 1687 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1688 ret = jvalue.get_##ResultType(); \
duke@435 1689 return ret;\
duke@435 1690 JNI_END \
duke@435 1691 \
duke@435 1692 \
duke@435 1693 JNI_ENTRY(ResultType, \
duke@435 1694 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \
duke@435 1695 JNIWrapper("Call" XSTR(Result) "MethodA"); \
dcubed@3202 1696 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \
duke@435 1697 ResultType ret = 0;\
duke@435 1698 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \
duke@435 1699 (const ResultType&)ret);\
duke@435 1700 \
duke@435 1701 JavaValue jvalue(Tag); \
coleenp@2497 1702 JNI_ArgumentPusherArray ap(methodID, args); \
duke@435 1703 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1704 ret = jvalue.get_##ResultType(); \
duke@435 1705 return ret;\
duke@435 1706 JNI_END
duke@435 1707
duke@435 1708 // the runtime type of subword integral basic types is integer
duke@435 1709 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN)
duke@435 1710 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE)
duke@435 1711 DEFINE_CALLMETHOD(jchar, Char, T_CHAR)
duke@435 1712 DEFINE_CALLMETHOD(jshort, Short, T_SHORT)
duke@435 1713
duke@435 1714 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT)
duke@435 1715 DEFINE_CALLMETHOD(jint, Int, T_INT)
duke@435 1716 DEFINE_CALLMETHOD(jlong, Long, T_LONG)
duke@435 1717 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT)
duke@435 1718 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE)
duke@435 1719
duke@435 1720 DT_VOID_RETURN_MARK_DECL(CallVoidMethod);
duke@435 1721 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV);
duke@435 1722 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA);
duke@435 1723
dcubed@3202 1724 #else /* USDT2 */
dcubed@3202 1725
dcubed@3202 1726 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \
dcubed@3202 1727 , EntryProbe, ReturnProbe) \
dcubed@3202 1728 \
dcubed@3202 1729 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \
dcubed@3202 1730 , ReturnProbe); \
dcubed@3202 1731 \
dcubed@3202 1732 JNI_ENTRY(ResultType, \
dcubed@3202 1733 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \
dcubed@3202 1734 JNIWrapper("Call" XSTR(Result) "Method"); \
dcubed@3202 1735 \
dcubed@3202 1736 EntryProbe; \
dcubed@3202 1737 ResultType ret = 0;\
dcubed@3202 1738 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \
dcubed@3202 1739 (const ResultType&)ret);\
dcubed@3202 1740 \
dcubed@3202 1741 va_list args; \
dcubed@3202 1742 va_start(args, methodID); \
dcubed@3202 1743 JavaValue jvalue(Tag); \
dcubed@3202 1744 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 1745 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 1746 va_end(args); \
dcubed@3202 1747 ret = jvalue.get_##ResultType(); \
dcubed@3202 1748 return ret;\
dcubed@3202 1749 JNI_END
dcubed@3202 1750
dcubed@3202 1751 // the runtime type of subword integral basic types is integer
dcubed@3202 1752 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN
dcubed@3202 1753 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1754 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref))
dcubed@3202 1755 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE
dcubed@3202 1756 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1757 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref))
dcubed@3202 1758 DEFINE_CALLMETHOD(jchar, Char, T_CHAR
dcubed@3202 1759 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1760 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref))
dcubed@3202 1761 DEFINE_CALLMETHOD(jshort, Short, T_SHORT
dcubed@3202 1762 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1763 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref))
dcubed@3202 1764
dcubed@3202 1765 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT
dcubed@3202 1766 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1767 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref))
dcubed@3202 1768 DEFINE_CALLMETHOD(jint, Int, T_INT,
dcubed@3202 1769 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1770 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref))
dcubed@3202 1771 DEFINE_CALLMETHOD(jlong, Long, T_LONG
dcubed@3202 1772 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1773 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref))
dcubed@3202 1774 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 1775 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT
dcubed@3202 1776 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1777 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN())
dcubed@3202 1778 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE
dcubed@3202 1779 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1780 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN())
dcubed@3202 1781
dcubed@3202 1782 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \
dcubed@3202 1783 , EntryProbe, ReturnProbe) \
dcubed@3202 1784 \
dcubed@3202 1785 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \
dcubed@3202 1786 , ReturnProbe); \
dcubed@3202 1787 \
dcubed@3202 1788 JNI_ENTRY(ResultType, \
dcubed@3202 1789 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \
dcubed@3202 1790 JNIWrapper("Call" XSTR(Result) "MethodV"); \
dcubed@3202 1791 \
dcubed@3202 1792 EntryProbe;\
dcubed@3202 1793 ResultType ret = 0;\
dcubed@3202 1794 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \
dcubed@3202 1795 (const ResultType&)ret);\
dcubed@3202 1796 \
dcubed@3202 1797 JavaValue jvalue(Tag); \
dcubed@3202 1798 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 1799 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 1800 ret = jvalue.get_##ResultType(); \
dcubed@3202 1801 return ret;\
dcubed@3202 1802 JNI_END
dcubed@3202 1803
dcubed@3202 1804 // the runtime type of subword integral basic types is integer
dcubed@3202 1805 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN
dcubed@3202 1806 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1807 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref))
dcubed@3202 1808 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE
dcubed@3202 1809 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1810 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref))
dcubed@3202 1811 DEFINE_CALLMETHODV(jchar, Char, T_CHAR
dcubed@3202 1812 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1813 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref))
dcubed@3202 1814 DEFINE_CALLMETHODV(jshort, Short, T_SHORT
dcubed@3202 1815 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1816 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref))
dcubed@3202 1817
dcubed@3202 1818 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT
dcubed@3202 1819 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1820 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref))
dcubed@3202 1821 DEFINE_CALLMETHODV(jint, Int, T_INT,
dcubed@3202 1822 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1823 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref))
dcubed@3202 1824 DEFINE_CALLMETHODV(jlong, Long, T_LONG
dcubed@3202 1825 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1826 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref))
dcubed@3202 1827 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 1828 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT
dcubed@3202 1829 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1830 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN())
dcubed@3202 1831 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE
dcubed@3202 1832 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1833 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN())
dcubed@3202 1834
dcubed@3202 1835 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \
dcubed@3202 1836 , EntryProbe, ReturnProbe) \
dcubed@3202 1837 \
dcubed@3202 1838 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \
dcubed@3202 1839 , ReturnProbe); \
dcubed@3202 1840 \
dcubed@3202 1841 JNI_ENTRY(ResultType, \
dcubed@3202 1842 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \
dcubed@3202 1843 JNIWrapper("Call" XSTR(Result) "MethodA"); \
dcubed@3202 1844 EntryProbe; \
dcubed@3202 1845 ResultType ret = 0;\
dcubed@3202 1846 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \
dcubed@3202 1847 (const ResultType&)ret);\
dcubed@3202 1848 \
dcubed@3202 1849 JavaValue jvalue(Tag); \
dcubed@3202 1850 JNI_ArgumentPusherArray ap(methodID, args); \
dcubed@3202 1851 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 1852 ret = jvalue.get_##ResultType(); \
dcubed@3202 1853 return ret;\
dcubed@3202 1854 JNI_END
dcubed@3202 1855
dcubed@3202 1856 // the runtime type of subword integral basic types is integer
dcubed@3202 1857 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN
dcubed@3202 1858 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1859 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref))
dcubed@3202 1860 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE
dcubed@3202 1861 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1862 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref))
dcubed@3202 1863 DEFINE_CALLMETHODA(jchar, Char, T_CHAR
dcubed@3202 1864 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1865 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref))
dcubed@3202 1866 DEFINE_CALLMETHODA(jshort, Short, T_SHORT
dcubed@3202 1867 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1868 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref))
dcubed@3202 1869
dcubed@3202 1870 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT
dcubed@3202 1871 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1872 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref))
dcubed@3202 1873 DEFINE_CALLMETHODA(jint, Int, T_INT,
dcubed@3202 1874 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1875 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref))
dcubed@3202 1876 DEFINE_CALLMETHODA(jlong, Long, T_LONG
dcubed@3202 1877 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1878 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref))
dcubed@3202 1879 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 1880 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT
dcubed@3202 1881 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1882 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN())
dcubed@3202 1883 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE
dcubed@3202 1884 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1885 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN())
dcubed@3202 1886
dcubed@3202 1887 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN());
dcubed@3202 1888 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN());
dcubed@3202 1889 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN());
dcubed@3202 1890
dcubed@3202 1891 #endif /* USDT2 */
dcubed@3202 1892
duke@435 1893 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...))
duke@435 1894 JNIWrapper("CallVoidMethod");
dcubed@3202 1895 #ifndef USDT2
duke@435 1896 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID);
dcubed@3202 1897 #else /* USDT2 */
dcubed@3202 1898 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY(
dcubed@3202 1899 env, obj, (uintptr_t) methodID);
dcubed@3202 1900 #endif /* USDT2 */
duke@435 1901 DT_VOID_RETURN_MARK(CallVoidMethod);
duke@435 1902
duke@435 1903 va_list args;
duke@435 1904 va_start(args, methodID);
duke@435 1905 JavaValue jvalue(T_VOID);
coleenp@2497 1906 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1907 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
duke@435 1908 va_end(args);
duke@435 1909 JNI_END
duke@435 1910
duke@435 1911
duke@435 1912 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args))
duke@435 1913 JNIWrapper("CallVoidMethodV");
dcubed@3202 1914 #ifndef USDT2
duke@435 1915 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID);
dcubed@3202 1916 #else /* USDT2 */
dcubed@3202 1917 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY(
dcubed@3202 1918 env, obj, (uintptr_t) methodID);
dcubed@3202 1919 #endif /* USDT2 */
duke@435 1920 DT_VOID_RETURN_MARK(CallVoidMethodV);
duke@435 1921
duke@435 1922 JavaValue jvalue(T_VOID);
coleenp@2497 1923 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1924 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
duke@435 1925 JNI_END
duke@435 1926
duke@435 1927
duke@435 1928 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args))
duke@435 1929 JNIWrapper("CallVoidMethodA");
dcubed@3202 1930 #ifndef USDT2
duke@435 1931 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID);
dcubed@3202 1932 #else /* USDT2 */
dcubed@3202 1933 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY(
dcubed@3202 1934 env, obj, (uintptr_t) methodID);
dcubed@3202 1935 #endif /* USDT2 */
duke@435 1936 DT_VOID_RETURN_MARK(CallVoidMethodA);
duke@435 1937
duke@435 1938 JavaValue jvalue(T_VOID);
coleenp@2497 1939 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 1940 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
duke@435 1941 JNI_END
duke@435 1942
duke@435 1943
dcubed@3202 1944 #ifndef USDT2
duke@435 1945 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \
duke@435 1946 \
duke@435 1947 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\
duke@435 1948 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\
duke@435 1949 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\
duke@435 1950 \
duke@435 1951 JNI_ENTRY(ResultType, \
duke@435 1952 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \
duke@435 1953 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \
duke@435 1954 \
duke@435 1955 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\
duke@435 1956 ResultType ret;\
duke@435 1957 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \
duke@435 1958 (const ResultType&)ret);\
duke@435 1959 \
duke@435 1960 va_list args; \
duke@435 1961 va_start(args, methodID); \
duke@435 1962 JavaValue jvalue(Tag); \
coleenp@2497 1963 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 1964 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1965 va_end(args); \
duke@435 1966 ret = jvalue.get_##ResultType(); \
duke@435 1967 return ret;\
duke@435 1968 JNI_END \
duke@435 1969 \
duke@435 1970 JNI_ENTRY(ResultType, \
duke@435 1971 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \
duke@435 1972 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \
duke@435 1973 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\
duke@435 1974 ResultType ret;\
duke@435 1975 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \
duke@435 1976 (const ResultType&)ret);\
duke@435 1977 \
duke@435 1978 JavaValue jvalue(Tag); \
coleenp@2497 1979 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 1980 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1981 ret = jvalue.get_##ResultType(); \
duke@435 1982 return ret;\
duke@435 1983 JNI_END \
duke@435 1984 \
duke@435 1985 JNI_ENTRY(ResultType, \
duke@435 1986 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \
duke@435 1987 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \
duke@435 1988 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\
duke@435 1989 ResultType ret;\
duke@435 1990 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \
duke@435 1991 (const ResultType&)ret);\
duke@435 1992 \
duke@435 1993 JavaValue jvalue(Tag); \
coleenp@2497 1994 JNI_ArgumentPusherArray ap(methodID, args); \
duke@435 1995 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1996 ret = jvalue.get_##ResultType(); \
duke@435 1997 return ret;\
duke@435 1998 JNI_END
duke@435 1999
duke@435 2000 // the runtime type of subword integral basic types is integer
duke@435 2001 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN)
duke@435 2002 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE)
duke@435 2003 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR)
duke@435 2004 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT)
duke@435 2005
duke@435 2006 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT)
duke@435 2007 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT)
duke@435 2008 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG)
duke@435 2009 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT)
duke@435 2010 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE)
duke@435 2011
duke@435 2012
duke@435 2013 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod);
duke@435 2014 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV);
duke@435 2015 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA);
duke@435 2016
dcubed@3202 2017 #else /* USDT2 */
dcubed@3202 2018
dcubed@3202 2019 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \
dcubed@3202 2020 , EntryProbe, ReturnProbe) \
dcubed@3202 2021 \
dcubed@3202 2022 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \
dcubed@3202 2023 , ReturnProbe);\
dcubed@3202 2024 \
dcubed@3202 2025 JNI_ENTRY(ResultType, \
dcubed@3202 2026 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \
dcubed@3202 2027 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \
dcubed@3202 2028 \
dcubed@3202 2029 EntryProbe;\
dcubed@3202 2030 ResultType ret;\
dcubed@3202 2031 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \
dcubed@3202 2032 (const ResultType&)ret);\
dcubed@3202 2033 \
dcubed@3202 2034 va_list args; \
dcubed@3202 2035 va_start(args, methodID); \
dcubed@3202 2036 JavaValue jvalue(Tag); \
dcubed@3202 2037 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2038 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 2039 va_end(args); \
dcubed@3202 2040 ret = jvalue.get_##ResultType(); \
dcubed@3202 2041 return ret;\
dcubed@3202 2042 JNI_END
dcubed@3202 2043
dcubed@3202 2044 // the runtime type of subword integral basic types is integer
dcubed@3202 2045 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2046 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2047 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref))
dcubed@3202 2048 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE
dcubed@3202 2049 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2050 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref))
dcubed@3202 2051 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR
dcubed@3202 2052 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2053 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref))
dcubed@3202 2054 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT
dcubed@3202 2055 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2056 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref))
dcubed@3202 2057
dcubed@3202 2058 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT
dcubed@3202 2059 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2060 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref))
dcubed@3202 2061 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT
dcubed@3202 2062 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2063 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref))
dcubed@3202 2064 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG
dcubed@3202 2065 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2066 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2067 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref))
dcubed@3202 2068 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT
dcubed@3202 2069 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2070 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN())
dcubed@3202 2071 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE
dcubed@3202 2072 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2073 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN())
dcubed@3202 2074
dcubed@3202 2075 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \
dcubed@3202 2076 , EntryProbe, ReturnProbe) \
dcubed@3202 2077 \
dcubed@3202 2078 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \
dcubed@3202 2079 , ReturnProbe);\
dcubed@3202 2080 \
dcubed@3202 2081 JNI_ENTRY(ResultType, \
dcubed@3202 2082 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \
dcubed@3202 2083 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \
dcubed@3202 2084 \
dcubed@3202 2085 EntryProbe;\
dcubed@3202 2086 ResultType ret;\
dcubed@3202 2087 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \
dcubed@3202 2088 (const ResultType&)ret);\
dcubed@3202 2089 \
dcubed@3202 2090 JavaValue jvalue(Tag); \
dcubed@3202 2091 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2092 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 2093 ret = jvalue.get_##ResultType(); \
dcubed@3202 2094 return ret;\
dcubed@3202 2095 JNI_END
dcubed@3202 2096
dcubed@3202 2097 // the runtime type of subword integral basic types is integer
dcubed@3202 2098 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2099 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2100 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref))
dcubed@3202 2101 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE
dcubed@3202 2102 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2103 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref))
dcubed@3202 2104 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR
dcubed@3202 2105 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2106 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref))
dcubed@3202 2107 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT
dcubed@3202 2108 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2109 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref))
dcubed@3202 2110
dcubed@3202 2111 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT
dcubed@3202 2112 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2113 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref))
dcubed@3202 2114 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT
dcubed@3202 2115 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2116 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref))
dcubed@3202 2117 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG
dcubed@3202 2118 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2119 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2120 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref))
dcubed@3202 2121 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT
dcubed@3202 2122 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2123 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN())
dcubed@3202 2124 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE
dcubed@3202 2125 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2126 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN())
dcubed@3202 2127
dcubed@3202 2128 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \
dcubed@3202 2129 , EntryProbe, ReturnProbe) \
dcubed@3202 2130 \
dcubed@3202 2131 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \
dcubed@3202 2132 , ReturnProbe);\
dcubed@3202 2133 \
dcubed@3202 2134 JNI_ENTRY(ResultType, \
dcubed@3202 2135 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \
dcubed@3202 2136 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \
dcubed@3202 2137 \
dcubed@3202 2138 EntryProbe;\
dcubed@3202 2139 ResultType ret;\
dcubed@3202 2140 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \
dcubed@3202 2141 (const ResultType&)ret);\
dcubed@3202 2142 \
dcubed@3202 2143 JavaValue jvalue(Tag); \
dcubed@3202 2144 JNI_ArgumentPusherArray ap(methodID, args); \
dcubed@3202 2145 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 2146 ret = jvalue.get_##ResultType(); \
dcubed@3202 2147 return ret;\
dcubed@3202 2148 JNI_END
dcubed@3202 2149
dcubed@3202 2150 // the runtime type of subword integral basic types is integer
dcubed@3202 2151 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2152 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2153 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref))
dcubed@3202 2154 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE
dcubed@3202 2155 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2156 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref))
dcubed@3202 2157 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR
dcubed@3202 2158 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2159 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref))
dcubed@3202 2160 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT
dcubed@3202 2161 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2162 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref))
dcubed@3202 2163
dcubed@3202 2164 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT
dcubed@3202 2165 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2166 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref))
dcubed@3202 2167 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT
dcubed@3202 2168 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2169 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref))
dcubed@3202 2170 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG
dcubed@3202 2171 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2172 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2173 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref))
dcubed@3202 2174 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT
dcubed@3202 2175 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2176 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN())
dcubed@3202 2177 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE
dcubed@3202 2178 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2179 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN())
dcubed@3202 2180
dcubed@3202 2181 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod
dcubed@3202 2182 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN());
dcubed@3202 2183 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV
dcubed@3202 2184 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN());
dcubed@3202 2185 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA
dcubed@3202 2186 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN());
dcubed@3202 2187 #endif /* USDT2 */
dcubed@3202 2188
duke@435 2189 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...))
duke@435 2190 JNIWrapper("CallNonvirtualVoidMethod");
duke@435 2191
dcubed@3202 2192 #ifndef USDT2
duke@435 2193 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry,
duke@435 2194 env, obj, cls, methodID);
dcubed@3202 2195 #else /* USDT2 */
dcubed@3202 2196 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY(
dcubed@3202 2197 env, obj, cls, (uintptr_t) methodID);
dcubed@3202 2198 #endif /* USDT2 */
duke@435 2199 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod);
duke@435 2200
duke@435 2201 va_list args;
duke@435 2202 va_start(args, methodID);
duke@435 2203 JavaValue jvalue(T_VOID);
coleenp@2497 2204 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2205 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
duke@435 2206 va_end(args);
duke@435 2207 JNI_END
duke@435 2208
duke@435 2209
duke@435 2210 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args))
duke@435 2211 JNIWrapper("CallNonvirtualVoidMethodV");
duke@435 2212
dcubed@3202 2213 #ifndef USDT2
duke@435 2214 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry,
duke@435 2215 env, obj, cls, methodID);
dcubed@3202 2216 #else /* USDT2 */
dcubed@3202 2217 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY(
dcubed@3202 2218 env, obj, cls, (uintptr_t) methodID);
dcubed@3202 2219 #endif /* USDT2 */
duke@435 2220 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV);
duke@435 2221
duke@435 2222 JavaValue jvalue(T_VOID);
coleenp@2497 2223 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2224 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
duke@435 2225 JNI_END
duke@435 2226
duke@435 2227
duke@435 2228 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args))
duke@435 2229 JNIWrapper("CallNonvirtualVoidMethodA");
dcubed@3202 2230 #ifndef USDT2
duke@435 2231 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry,
duke@435 2232 env, obj, cls, methodID);
dcubed@3202 2233 #else /* USDT2 */
dcubed@3202 2234 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY(
dcubed@3202 2235 env, obj, cls, (uintptr_t) methodID);
dcubed@3202 2236 #endif /* USDT2 */
duke@435 2237 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA);
duke@435 2238 JavaValue jvalue(T_VOID);
coleenp@2497 2239 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 2240 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
duke@435 2241 JNI_END
duke@435 2242
duke@435 2243
dcubed@3202 2244 #ifndef USDT2
duke@435 2245 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \
duke@435 2246 \
duke@435 2247 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\
duke@435 2248 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\
duke@435 2249 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\
duke@435 2250 \
duke@435 2251 JNI_ENTRY(ResultType, \
duke@435 2252 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \
duke@435 2253 JNIWrapper("CallStatic" XSTR(Result) "Method"); \
duke@435 2254 \
duke@435 2255 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\
duke@435 2256 ResultType ret = 0;\
duke@435 2257 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \
duke@435 2258 (const ResultType&)ret);\
duke@435 2259 \
duke@435 2260 va_list args; \
duke@435 2261 va_start(args, methodID); \
duke@435 2262 JavaValue jvalue(Tag); \
coleenp@2497 2263 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 2264 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
duke@435 2265 va_end(args); \
duke@435 2266 ret = jvalue.get_##ResultType(); \
duke@435 2267 return ret;\
duke@435 2268 JNI_END \
duke@435 2269 \
duke@435 2270 JNI_ENTRY(ResultType, \
duke@435 2271 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \
duke@435 2272 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \
duke@435 2273 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\
duke@435 2274 ResultType ret = 0;\
duke@435 2275 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \
duke@435 2276 (const ResultType&)ret);\
duke@435 2277 \
duke@435 2278 JavaValue jvalue(Tag); \
coleenp@2497 2279 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 2280 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
duke@435 2281 ret = jvalue.get_##ResultType(); \
duke@435 2282 return ret;\
duke@435 2283 JNI_END \
duke@435 2284 \
duke@435 2285 JNI_ENTRY(ResultType, \
duke@435 2286 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \
duke@435 2287 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \
duke@435 2288 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\
duke@435 2289 ResultType ret = 0;\
duke@435 2290 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \
duke@435 2291 (const ResultType&)ret);\
duke@435 2292 \
duke@435 2293 JavaValue jvalue(Tag); \
coleenp@2497 2294 JNI_ArgumentPusherArray ap(methodID, args); \
duke@435 2295 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
duke@435 2296 ret = jvalue.get_##ResultType(); \
duke@435 2297 return ret;\
duke@435 2298 JNI_END
duke@435 2299
duke@435 2300 // the runtime type of subword integral basic types is integer
duke@435 2301 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN)
duke@435 2302 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE)
duke@435 2303 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR)
duke@435 2304 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT)
duke@435 2305
duke@435 2306 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT)
duke@435 2307 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT)
duke@435 2308 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG)
duke@435 2309 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT)
duke@435 2310 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE)
duke@435 2311
duke@435 2312
duke@435 2313 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod);
duke@435 2314 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV);
duke@435 2315 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA);
duke@435 2316
dcubed@3202 2317 #else /* USDT2 */
dcubed@3202 2318
dcubed@3202 2319 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \
dcubed@3202 2320 , EntryProbe, ResultProbe) \
dcubed@3202 2321 \
dcubed@3202 2322 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \
dcubed@3202 2323 , ResultProbe); \
dcubed@3202 2324 \
dcubed@3202 2325 JNI_ENTRY(ResultType, \
dcubed@3202 2326 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \
dcubed@3202 2327 JNIWrapper("CallStatic" XSTR(Result) "Method"); \
dcubed@3202 2328 \
dcubed@3202 2329 EntryProbe; \
dcubed@3202 2330 ResultType ret = 0;\
dcubed@3202 2331 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \
dcubed@3202 2332 (const ResultType&)ret);\
dcubed@3202 2333 \
dcubed@3202 2334 va_list args; \
dcubed@3202 2335 va_start(args, methodID); \
dcubed@3202 2336 JavaValue jvalue(Tag); \
dcubed@3202 2337 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2338 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
dcubed@3202 2339 va_end(args); \
dcubed@3202 2340 ret = jvalue.get_##ResultType(); \
dcubed@3202 2341 return ret;\
dcubed@3202 2342 JNI_END
dcubed@3202 2343
dcubed@3202 2344 // the runtime type of subword integral basic types is integer
dcubed@3202 2345 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2346 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2347 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref));
dcubed@3202 2348 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE
dcubed@3202 2349 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2350 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref));
dcubed@3202 2351 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR
dcubed@3202 2352 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2353 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref));
dcubed@3202 2354 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT
dcubed@3202 2355 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2356 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref));
dcubed@3202 2357
dcubed@3202 2358 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT
dcubed@3202 2359 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2360 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref));
dcubed@3202 2361 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT
dcubed@3202 2362 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2363 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref));
dcubed@3202 2364 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG
dcubed@3202 2365 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2366 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref));
dcubed@3202 2367 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2368 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT
dcubed@3202 2369 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2370 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN());
dcubed@3202 2371 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE
dcubed@3202 2372 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2373 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN());
dcubed@3202 2374
dcubed@3202 2375 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \
dcubed@3202 2376 , EntryProbe, ResultProbe) \
dcubed@3202 2377 \
dcubed@3202 2378 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \
dcubed@3202 2379 , ResultProbe); \
dcubed@3202 2380 \
dcubed@3202 2381 JNI_ENTRY(ResultType, \
dcubed@3202 2382 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \
dcubed@3202 2383 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \
dcubed@3202 2384 \
dcubed@3202 2385 EntryProbe; \
dcubed@3202 2386 ResultType ret = 0;\
dcubed@3202 2387 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \
dcubed@3202 2388 (const ResultType&)ret);\
dcubed@3202 2389 \
dcubed@3202 2390 JavaValue jvalue(Tag); \
dcubed@3202 2391 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2392 /* Make sure class is initialized before trying to invoke its method */ \
coleenp@4037 2393 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \
hseigel@4278 2394 k()->initialize(CHECK_0); \
dcubed@3202 2395 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
dcubed@3202 2396 va_end(args); \
dcubed@3202 2397 ret = jvalue.get_##ResultType(); \
dcubed@3202 2398 return ret;\
dcubed@3202 2399 JNI_END
dcubed@3202 2400
dcubed@3202 2401 // the runtime type of subword integral basic types is integer
dcubed@3202 2402 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2403 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2404 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref));
dcubed@3202 2405 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE
dcubed@3202 2406 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2407 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref));
dcubed@3202 2408 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR
dcubed@3202 2409 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2410 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref));
dcubed@3202 2411 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT
dcubed@3202 2412 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2413 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref));
dcubed@3202 2414
dcubed@3202 2415 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT
dcubed@3202 2416 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2417 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref));
dcubed@3202 2418 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT
dcubed@3202 2419 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2420 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref));
dcubed@3202 2421 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG
dcubed@3202 2422 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2423 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref));
dcubed@3202 2424 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2425 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT
dcubed@3202 2426 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2427 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN());
dcubed@3202 2428 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE
dcubed@3202 2429 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2430 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN());
dcubed@3202 2431
dcubed@3202 2432 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \
dcubed@3202 2433 , EntryProbe, ResultProbe) \
dcubed@3202 2434 \
dcubed@3202 2435 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \
dcubed@3202 2436 , ResultProbe); \
dcubed@3202 2437 \
dcubed@3202 2438 JNI_ENTRY(ResultType, \
dcubed@3202 2439 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \
dcubed@3202 2440 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \
dcubed@3202 2441 \
dcubed@3202 2442 EntryProbe; \
dcubed@3202 2443 ResultType ret = 0;\
dcubed@3202 2444 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \
dcubed@3202 2445 (const ResultType&)ret);\
dcubed@3202 2446 \
dcubed@3202 2447 JavaValue jvalue(Tag); \
dcubed@3202 2448 JNI_ArgumentPusherArray ap(methodID, args); \
dcubed@3202 2449 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
dcubed@3202 2450 ret = jvalue.get_##ResultType(); \
dcubed@3202 2451 return ret;\
dcubed@3202 2452 JNI_END
dcubed@3202 2453
dcubed@3202 2454 // the runtime type of subword integral basic types is integer
dcubed@3202 2455 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2456 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2457 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref));
dcubed@3202 2458 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE
dcubed@3202 2459 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2460 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref));
dcubed@3202 2461 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR
dcubed@3202 2462 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2463 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref));
dcubed@3202 2464 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT
dcubed@3202 2465 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2466 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref));
dcubed@3202 2467
dcubed@3202 2468 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT
dcubed@3202 2469 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2470 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref));
dcubed@3202 2471 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT
dcubed@3202 2472 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2473 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref));
dcubed@3202 2474 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG
dcubed@3202 2475 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2476 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref));
dcubed@3202 2477 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2478 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT
dcubed@3202 2479 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2480 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN());
dcubed@3202 2481 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE
dcubed@3202 2482 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2483 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN());
dcubed@3202 2484
dcubed@3202 2485 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod
dcubed@3202 2486 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN());
dcubed@3202 2487 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV
dcubed@3202 2488 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN());
dcubed@3202 2489 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA
dcubed@3202 2490 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN());
dcubed@3202 2491 #endif /* USDT2 */
dcubed@3202 2492
duke@435 2493 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...))
duke@435 2494 JNIWrapper("CallStaticVoidMethod");
dcubed@3202 2495 #ifndef USDT2
duke@435 2496 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID);
dcubed@3202 2497 #else /* USDT2 */
dcubed@3202 2498 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY(
dcubed@3202 2499 env, cls, (uintptr_t) methodID);
dcubed@3202 2500 #endif /* USDT2 */
duke@435 2501 DT_VOID_RETURN_MARK(CallStaticVoidMethod);
duke@435 2502
duke@435 2503 va_list args;
duke@435 2504 va_start(args, methodID);
duke@435 2505 JavaValue jvalue(T_VOID);
coleenp@2497 2506 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2507 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
duke@435 2508 va_end(args);
duke@435 2509 JNI_END
duke@435 2510
duke@435 2511
duke@435 2512 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args))
duke@435 2513 JNIWrapper("CallStaticVoidMethodV");
dcubed@3202 2514 #ifndef USDT2
duke@435 2515 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID);
dcubed@3202 2516 #else /* USDT2 */
dcubed@3202 2517 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY(
dcubed@3202 2518 env, cls, (uintptr_t) methodID);
dcubed@3202 2519 #endif /* USDT2 */
duke@435 2520 DT_VOID_RETURN_MARK(CallStaticVoidMethodV);
duke@435 2521
duke@435 2522 JavaValue jvalue(T_VOID);
coleenp@2497 2523 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2524 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
duke@435 2525 JNI_END
duke@435 2526
duke@435 2527
duke@435 2528 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args))
duke@435 2529 JNIWrapper("CallStaticVoidMethodA");
dcubed@3202 2530 #ifndef USDT2
duke@435 2531 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID);
dcubed@3202 2532 #else /* USDT2 */
dcubed@3202 2533 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY(
dcubed@3202 2534 env, cls, (uintptr_t) methodID);
dcubed@3202 2535 #endif /* USDT2 */
duke@435 2536 DT_VOID_RETURN_MARK(CallStaticVoidMethodA);
duke@435 2537
duke@435 2538 JavaValue jvalue(T_VOID);
coleenp@2497 2539 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 2540 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
duke@435 2541 JNI_END
duke@435 2542
duke@435 2543
duke@435 2544 //
duke@435 2545 // Accessing Fields
duke@435 2546 //
duke@435 2547
duke@435 2548
dcubed@3202 2549 #ifndef USDT2
duke@435 2550 DT_RETURN_MARK_DECL(GetFieldID, jfieldID);
dcubed@3202 2551 #else /* USDT2 */
dcubed@3202 2552 DT_RETURN_MARK_DECL(GetFieldID, jfieldID
dcubed@3202 2553 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref));
dcubed@3202 2554 #endif /* USDT2 */
duke@435 2555
duke@435 2556 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz,
duke@435 2557 const char *name, const char *sig))
duke@435 2558 JNIWrapper("GetFieldID");
dcubed@3202 2559 #ifndef USDT2
duke@435 2560 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig);
dcubed@3202 2561 #else /* USDT2 */
dcubed@3202 2562 HOTSPOT_JNI_GETFIELDID_ENTRY(
dcubed@3202 2563 env, clazz, (char *) name, (char *) sig);
dcubed@3202 2564 #endif /* USDT2 */
duke@435 2565 jfieldID ret = 0;
duke@435 2566 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret);
duke@435 2567
duke@435 2568 // The class should have been loaded (we have an instance of the class
duke@435 2569 // passed in) so the field and signature should already be in the symbol
duke@435 2570 // table. If they're not there, the field doesn't exist.
coleenp@2497 2571 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name));
coleenp@2497 2572 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig));
coleenp@2497 2573 if (fieldname == NULL || signame == NULL) {
duke@435 2574 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2575 }
duke@435 2576 KlassHandle k(THREAD,
coleenp@4037 2577 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 2578 // Make sure class is initialized before handing id's out to fields
hseigel@4278 2579 k()->initialize(CHECK_NULL);
duke@435 2580
duke@435 2581 fieldDescriptor fd;
hseigel@4278 2582 if (!k()->oop_is_instance() ||
coleenp@4037 2583 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) {
duke@435 2584 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2585 }
duke@435 2586
duke@435 2587 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop
duke@435 2588 // It may also have hash bits for k, if VerifyJNIFields is turned on.
duke@435 2589 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset());
duke@435 2590 return ret;
duke@435 2591 JNI_END
duke@435 2592
duke@435 2593
duke@435 2594 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID))
duke@435 2595 JNIWrapper("GetObjectField");
dcubed@3202 2596 #ifndef USDT2
duke@435 2597 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID);
dcubed@3202 2598 #else /* USDT2 */
dcubed@3202 2599 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY(
dcubed@3202 2600 env, obj, (uintptr_t) fieldID);
dcubed@3202 2601 #endif /* USDT2 */
duke@435 2602 oop o = JNIHandles::resolve_non_null(obj);
coleenp@4037 2603 Klass* k = o->klass();
duke@435 2604 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
duke@435 2605 // Keep JVMTI addition small and only check enabled flag here.
duke@435 2606 // jni_GetField_probe() assumes that is okay to create handles.
duke@435 2607 if (JvmtiExport::should_post_field_access()) {
duke@435 2608 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false);
duke@435 2609 }
duke@435 2610 jobject ret = JNIHandles::make_local(env, o->obj_field(offset));
jprovino@4542 2611 #if INCLUDE_ALL_GCS
johnc@2781 2612 // If G1 is enabled and we are accessing the value of the referent
johnc@2781 2613 // field in a reference object then we need to register a non-null
johnc@2781 2614 // referent with the SATB barrier.
johnc@2781 2615 if (UseG1GC) {
johnc@2781 2616 bool needs_barrier = false;
johnc@2781 2617
johnc@2781 2618 if (ret != NULL &&
johnc@2781 2619 offset == java_lang_ref_Reference::referent_offset &&
coleenp@4037 2620 InstanceKlass::cast(k)->reference_type() != REF_NONE) {
coleenp@4037 2621 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity");
johnc@2781 2622 needs_barrier = true;
johnc@2781 2623 }
johnc@2781 2624
johnc@2781 2625 if (needs_barrier) {
johnc@2781 2626 oop referent = JNIHandles::resolve(ret);
johnc@2781 2627 G1SATBCardTableModRefBS::enqueue(referent);
johnc@2781 2628 }
johnc@2781 2629 }
jprovino@4542 2630 #endif // INCLUDE_ALL_GCS
dcubed@3202 2631 #ifndef USDT2
duke@435 2632 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret);
dcubed@3202 2633 #else /* USDT2 */
dcubed@3202 2634 HOTSPOT_JNI_GETOBJECTFIELD_RETURN(
dcubed@3202 2635 ret);
dcubed@3202 2636 #endif /* USDT2 */
duke@435 2637 return ret;
duke@435 2638 JNI_END
duke@435 2639
duke@435 2640
dcubed@3202 2641 #ifndef USDT2
duke@435 2642 #define DEFINE_GETFIELD(Return,Fieldname,Result) \
duke@435 2643 \
duke@435 2644 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\
duke@435 2645 \
duke@435 2646 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \
duke@435 2647 JNIWrapper("Get" XSTR(Result) "Field"); \
duke@435 2648 \
duke@435 2649 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\
duke@435 2650 Return ret = 0;\
duke@435 2651 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\
duke@435 2652 \
duke@435 2653 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2654 Klass* k = o->klass(); \
duke@435 2655 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
duke@435 2656 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 2657 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \
duke@435 2658 /* and creates a ResetNoHandleMark. */ \
duke@435 2659 if (JvmtiExport::should_post_field_access()) { \
duke@435 2660 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \
duke@435 2661 } \
duke@435 2662 ret = o->Fieldname##_field(offset); \
duke@435 2663 return ret; \
duke@435 2664 JNI_END
duke@435 2665
duke@435 2666 DEFINE_GETFIELD(jboolean, bool, Boolean)
duke@435 2667 DEFINE_GETFIELD(jbyte, byte, Byte)
duke@435 2668 DEFINE_GETFIELD(jchar, char, Char)
duke@435 2669 DEFINE_GETFIELD(jshort, short, Short)
duke@435 2670 DEFINE_GETFIELD(jint, int, Int)
duke@435 2671 DEFINE_GETFIELD(jlong, long, Long)
duke@435 2672 DEFINE_GETFIELD(jfloat, float, Float)
duke@435 2673 DEFINE_GETFIELD(jdouble, double, Double)
duke@435 2674
dcubed@3202 2675 #else /* USDT2 */
dcubed@3202 2676
dcubed@3202 2677 #define DEFINE_GETFIELD(Return,Fieldname,Result \
dcubed@3202 2678 , EntryProbe, ReturnProbe) \
dcubed@3202 2679 \
dcubed@3202 2680 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \
dcubed@3202 2681 , ReturnProbe); \
dcubed@3202 2682 \
dcubed@3202 2683 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \
dcubed@3202 2684 JNIWrapper("Get" XSTR(Result) "Field"); \
dcubed@3202 2685 \
dcubed@3202 2686 EntryProbe; \
dcubed@3202 2687 Return ret = 0;\
dcubed@3202 2688 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\
dcubed@3202 2689 \
dcubed@3202 2690 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2691 Klass* k = o->klass(); \
dcubed@3202 2692 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
dcubed@3202 2693 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 2694 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \
dcubed@3202 2695 /* and creates a ResetNoHandleMark. */ \
dcubed@3202 2696 if (JvmtiExport::should_post_field_access()) { \
dcubed@3202 2697 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \
dcubed@3202 2698 } \
dcubed@3202 2699 ret = o->Fieldname##_field(offset); \
dcubed@3202 2700 return ret; \
dcubed@3202 2701 JNI_END
dcubed@3202 2702
dcubed@3202 2703 DEFINE_GETFIELD(jboolean, bool, Boolean
dcubed@3202 2704 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2705 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref))
dcubed@3202 2706 DEFINE_GETFIELD(jbyte, byte, Byte
dcubed@3202 2707 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2708 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref))
dcubed@3202 2709 DEFINE_GETFIELD(jchar, char, Char
dcubed@3202 2710 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2711 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref))
dcubed@3202 2712 DEFINE_GETFIELD(jshort, short, Short
dcubed@3202 2713 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2714 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref))
dcubed@3202 2715 DEFINE_GETFIELD(jint, int, Int
dcubed@3202 2716 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2717 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref))
dcubed@3202 2718 DEFINE_GETFIELD(jlong, long, Long
dcubed@3202 2719 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2720 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref))
dcubed@3202 2721 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2722 DEFINE_GETFIELD(jfloat, float, Float
dcubed@3202 2723 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2724 HOTSPOT_JNI_GETFLOATFIELD_RETURN())
dcubed@3202 2725 DEFINE_GETFIELD(jdouble, double, Double
dcubed@3202 2726 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2727 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN())
dcubed@3202 2728 #endif /* USDT2 */
dcubed@3202 2729
duke@435 2730 address jni_GetBooleanField_addr() {
duke@435 2731 return (address)jni_GetBooleanField;
duke@435 2732 }
duke@435 2733 address jni_GetByteField_addr() {
duke@435 2734 return (address)jni_GetByteField;
duke@435 2735 }
duke@435 2736 address jni_GetCharField_addr() {
duke@435 2737 return (address)jni_GetCharField;
duke@435 2738 }
duke@435 2739 address jni_GetShortField_addr() {
duke@435 2740 return (address)jni_GetShortField;
duke@435 2741 }
duke@435 2742 address jni_GetIntField_addr() {
duke@435 2743 return (address)jni_GetIntField;
duke@435 2744 }
duke@435 2745 address jni_GetLongField_addr() {
duke@435 2746 return (address)jni_GetLongField;
duke@435 2747 }
duke@435 2748 address jni_GetFloatField_addr() {
duke@435 2749 return (address)jni_GetFloatField;
duke@435 2750 }
duke@435 2751 address jni_GetDoubleField_addr() {
duke@435 2752 return (address)jni_GetDoubleField;
duke@435 2753 }
duke@435 2754
duke@435 2755 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value))
duke@435 2756 JNIWrapper("SetObjectField");
dcubed@3202 2757 #ifndef USDT2
duke@435 2758 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value);
dcubed@3202 2759 #else /* USDT2 */
dcubed@3202 2760 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY(
dcubed@3202 2761 env, obj, (uintptr_t) fieldID, value);
dcubed@3202 2762 #endif /* USDT2 */
duke@435 2763 oop o = JNIHandles::resolve_non_null(obj);
coleenp@4037 2764 Klass* k = o->klass();
duke@435 2765 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
duke@435 2766 // Keep JVMTI addition small and only check enabled flag here.
duke@435 2767 // jni_SetField_probe_nh() assumes that is not okay to create handles
duke@435 2768 // and creates a ResetNoHandleMark.
duke@435 2769 if (JvmtiExport::should_post_field_modification()) {
duke@435 2770 jvalue field_value;
duke@435 2771 field_value.l = value;
duke@435 2772 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value);
duke@435 2773 }
duke@435 2774 o->obj_field_put(offset, JNIHandles::resolve(value));
dcubed@3202 2775 #ifndef USDT2
duke@435 2776 DTRACE_PROBE(hotspot_jni, SetObjectField__return);
dcubed@3202 2777 #else /* USDT2 */
dcubed@3202 2778 HOTSPOT_JNI_SETOBJECTFIELD_RETURN(
dcubed@3202 2779 );
dcubed@3202 2780 #endif /* USDT2 */
duke@435 2781 JNI_END
duke@435 2782
dcubed@3202 2783 #ifndef USDT2
duke@435 2784 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \
duke@435 2785 \
duke@435 2786 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \
duke@435 2787 JNIWrapper("Set" XSTR(Result) "Field"); \
duke@435 2788 \
coleenp@4148 2789 FP_SELECT_##Result( \
coleenp@4148 2790 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \
coleenp@4148 2791 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \
duke@435 2792 \
duke@435 2793 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2794 Klass* k = o->klass(); \
duke@435 2795 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
duke@435 2796 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 2797 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \
duke@435 2798 /* and creates a ResetNoHandleMark. */ \
duke@435 2799 if (JvmtiExport::should_post_field_modification()) { \
duke@435 2800 jvalue field_value; \
duke@435 2801 field_value.unionType = value; \
duke@435 2802 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \
duke@435 2803 } \
duke@435 2804 o->Fieldname##_field_put(offset, value); \
duke@435 2805 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\
duke@435 2806 JNI_END
duke@435 2807
duke@435 2808 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z)
duke@435 2809 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b)
duke@435 2810 DEFINE_SETFIELD(jchar, char, Char, 'C', c)
duke@435 2811 DEFINE_SETFIELD(jshort, short, Short, 'S', s)
duke@435 2812 DEFINE_SETFIELD(jint, int, Int, 'I', i)
duke@435 2813 DEFINE_SETFIELD(jlong, long, Long, 'J', j)
duke@435 2814 DEFINE_SETFIELD(jfloat, float, Float, 'F', f)
duke@435 2815 DEFINE_SETFIELD(jdouble, double, Double, 'D', d)
duke@435 2816
dcubed@3202 2817 #else /* USDT2 */
dcubed@3202 2818
dcubed@3202 2819 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \
dcubed@3202 2820 , EntryProbe, ReturnProbe) \
dcubed@3202 2821 \
dcubed@3202 2822 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \
dcubed@3202 2823 JNIWrapper("Set" XSTR(Result) "Field"); \
dcubed@3202 2824 \
dcubed@3202 2825 EntryProbe; \
dcubed@3202 2826 \
dcubed@3202 2827 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2828 Klass* k = o->klass(); \
dcubed@3202 2829 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
dcubed@3202 2830 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 2831 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \
dcubed@3202 2832 /* and creates a ResetNoHandleMark. */ \
dcubed@3202 2833 if (JvmtiExport::should_post_field_modification()) { \
dcubed@3202 2834 jvalue field_value; \
dcubed@3202 2835 field_value.unionType = value; \
dcubed@3202 2836 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \
dcubed@3202 2837 } \
dcubed@3202 2838 o->Fieldname##_field_put(offset, value); \
dcubed@3202 2839 ReturnProbe; \
dcubed@3202 2840 JNI_END
dcubed@3202 2841
dcubed@3202 2842 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z
dcubed@3202 2843 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2844 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN())
dcubed@3202 2845 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b
dcubed@3202 2846 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2847 HOTSPOT_JNI_SETBYTEFIELD_RETURN())
dcubed@3202 2848 DEFINE_SETFIELD(jchar, char, Char, 'C', c
dcubed@3202 2849 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2850 HOTSPOT_JNI_SETCHARFIELD_RETURN())
dcubed@3202 2851 DEFINE_SETFIELD(jshort, short, Short, 'S', s
dcubed@3202 2852 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2853 HOTSPOT_JNI_SETSHORTFIELD_RETURN())
dcubed@3202 2854 DEFINE_SETFIELD(jint, int, Int, 'I', i
dcubed@3202 2855 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2856 HOTSPOT_JNI_SETINTFIELD_RETURN())
dcubed@3202 2857 DEFINE_SETFIELD(jlong, long, Long, 'J', j
dcubed@3202 2858 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2859 HOTSPOT_JNI_SETLONGFIELD_RETURN())
dcubed@3202 2860 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2861 DEFINE_SETFIELD(jfloat, float, Float, 'F', f
dcubed@3202 2862 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2863 HOTSPOT_JNI_SETFLOATFIELD_RETURN())
dcubed@3202 2864 DEFINE_SETFIELD(jdouble, double, Double, 'D', d
dcubed@3202 2865 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2866 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN())
dcubed@3202 2867 #endif /* USDT2 */
dcubed@3202 2868
dcubed@3202 2869 #ifndef USDT2
duke@435 2870 DT_RETURN_MARK_DECL(ToReflectedField, jobject);
dcubed@3202 2871 #else /* USDT2 */
dcubed@3202 2872 DT_RETURN_MARK_DECL(ToReflectedField, jobject
dcubed@3202 2873 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref));
dcubed@3202 2874 #endif /* USDT2 */
duke@435 2875
duke@435 2876 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic))
duke@435 2877 JNIWrapper("ToReflectedField");
dcubed@3202 2878 #ifndef USDT2
duke@435 2879 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry,
duke@435 2880 env, cls, fieldID, isStatic);
dcubed@3202 2881 #else /* USDT2 */
dcubed@3202 2882 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY(
dcubed@3202 2883 env, cls, (uintptr_t) fieldID, isStatic);
dcubed@3202 2884 #endif /* USDT2 */
duke@435 2885 jobject ret = NULL;
duke@435 2886 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret);
duke@435 2887
duke@435 2888 fieldDescriptor fd;
duke@435 2889 bool found = false;
coleenp@4037 2890 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls));
duke@435 2891
duke@435 2892 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID");
duke@435 2893
duke@435 2894 if (isStatic) {
coleenp@4037 2895 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*.
duke@435 2896 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
duke@435 2897 assert(id->is_static_field_id(), "invalid static field id");
never@2658 2898 found = id->find_local_field(&fd);
duke@435 2899 } else {
duke@435 2900 // Non-static field. The fieldID is really the offset of the field within the instanceOop.
duke@435 2901 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
coleenp@4037 2902 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd);
duke@435 2903 }
duke@435 2904 assert(found, "bad fieldID passed into jni_ToReflectedField");
duke@435 2905 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL);
duke@435 2906 ret = JNIHandles::make_local(env, reflected);
duke@435 2907 return ret;
duke@435 2908 JNI_END
duke@435 2909
duke@435 2910
duke@435 2911 //
duke@435 2912 // Accessing Static Fields
duke@435 2913 //
dcubed@3202 2914 #ifndef USDT2
duke@435 2915 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID);
dcubed@3202 2916 #else /* USDT2 */
dcubed@3202 2917 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID
dcubed@3202 2918 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref));
dcubed@3202 2919 #endif /* USDT2 */
duke@435 2920
duke@435 2921 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz,
duke@435 2922 const char *name, const char *sig))
duke@435 2923 JNIWrapper("GetStaticFieldID");
dcubed@3202 2924 #ifndef USDT2
duke@435 2925 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig);
dcubed@3202 2926 #else /* USDT2 */
dcubed@3202 2927 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY(
dcubed@3202 2928 env, clazz, (char *) name, (char *) sig);
dcubed@3202 2929 #endif /* USDT2 */
duke@435 2930 jfieldID ret = NULL;
duke@435 2931 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret);
duke@435 2932
duke@435 2933 // The class should have been loaded (we have an instance of the class
duke@435 2934 // passed in) so the field and signature should already be in the symbol
duke@435 2935 // table. If they're not there, the field doesn't exist.
coleenp@2497 2936 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name));
coleenp@2497 2937 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig));
coleenp@2497 2938 if (fieldname == NULL || signame == NULL) {
duke@435 2939 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2940 }
duke@435 2941 KlassHandle k(THREAD,
coleenp@4037 2942 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 2943 // Make sure class is initialized before handing id's out to static fields
hseigel@4278 2944 k()->initialize(CHECK_NULL);
duke@435 2945
duke@435 2946 fieldDescriptor fd;
hseigel@4278 2947 if (!k()->oop_is_instance() ||
coleenp@4037 2948 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) {
duke@435 2949 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2950 }
duke@435 2951
coleenp@4037 2952 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass*
coleenp@4251 2953 JNIid* id = fd.field_holder()->jni_id_for(fd.offset());
duke@435 2954 debug_only(id->set_is_static_field_id();)
duke@435 2955
never@2658 2956 debug_only(id->verify(fd.field_holder()));
duke@435 2957
duke@435 2958 ret = jfieldIDWorkaround::to_static_jfieldID(id);
duke@435 2959 return ret;
duke@435 2960 JNI_END
duke@435 2961
duke@435 2962
duke@435 2963 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID))
duke@435 2964 JNIWrapper("GetStaticObjectField");
dcubed@3202 2965 #ifndef USDT2
duke@435 2966 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID);
dcubed@3202 2967 #else /* USDT2 */
dcubed@3202 2968 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY(
dcubed@3202 2969 env, clazz, (uintptr_t) fieldID);
dcubed@3202 2970 #endif /* USDT2 */
jprovino@4165 2971 #if INCLUDE_JNI_CHECK
coleenp@4037 2972 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);)
jprovino@4165 2973 #endif // INCLUDE_JNI_CHECK
duke@435 2974 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
duke@435 2975 assert(id->is_static_field_id(), "invalid static field id");
duke@435 2976 // Keep JVMTI addition small and only check enabled flag here.
duke@435 2977 // jni_GetField_probe() assumes that is okay to create handles.
duke@435 2978 if (JvmtiExport::should_post_field_access()) {
duke@435 2979 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true);
duke@435 2980 }
never@2658 2981 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset()));
dcubed@3202 2982 #ifndef USDT2
duke@435 2983 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret);
dcubed@3202 2984 #else /* USDT2 */
dcubed@3202 2985 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN(
dcubed@3202 2986 ret);
dcubed@3202 2987 #endif /* USDT2 */
duke@435 2988 return ret;
duke@435 2989 JNI_END
duke@435 2990
dcubed@3202 2991 #ifndef USDT2
duke@435 2992 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \
duke@435 2993 \
duke@435 2994 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\
duke@435 2995 \
duke@435 2996 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \
duke@435 2997 JNIWrapper("GetStatic" XSTR(Result) "Field"); \
duke@435 2998 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\
duke@435 2999 Return ret = 0;\
duke@435 3000 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \
duke@435 3001 (const Return&)ret);\
duke@435 3002 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
duke@435 3003 assert(id->is_static_field_id(), "invalid static field id"); \
duke@435 3004 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 3005 /* jni_GetField_probe() assumes that is okay to create handles. */ \
duke@435 3006 if (JvmtiExport::should_post_field_access()) { \
duke@435 3007 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \
duke@435 3008 } \
never@2658 3009 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \
duke@435 3010 return ret;\
duke@435 3011 JNI_END
duke@435 3012
duke@435 3013 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean)
duke@435 3014 DEFINE_GETSTATICFIELD(jbyte, byte, Byte)
duke@435 3015 DEFINE_GETSTATICFIELD(jchar, char, Char)
duke@435 3016 DEFINE_GETSTATICFIELD(jshort, short, Short)
duke@435 3017 DEFINE_GETSTATICFIELD(jint, int, Int)
duke@435 3018 DEFINE_GETSTATICFIELD(jlong, long, Long)
duke@435 3019 DEFINE_GETSTATICFIELD(jfloat, float, Float)
duke@435 3020 DEFINE_GETSTATICFIELD(jdouble, double, Double)
duke@435 3021
dcubed@3202 3022 #else /* USDT2 */
dcubed@3202 3023
dcubed@3202 3024 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \
dcubed@3202 3025 , EntryProbe, ReturnProbe) \
dcubed@3202 3026 \
dcubed@3202 3027 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \
dcubed@3202 3028 , ReturnProbe); \
dcubed@3202 3029 \
dcubed@3202 3030 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \
dcubed@3202 3031 JNIWrapper("GetStatic" XSTR(Result) "Field"); \
dcubed@3202 3032 EntryProbe; \
dcubed@3202 3033 Return ret = 0;\
dcubed@3202 3034 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \
dcubed@3202 3035 (const Return&)ret);\
dcubed@3202 3036 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
dcubed@3202 3037 assert(id->is_static_field_id(), "invalid static field id"); \
dcubed@3202 3038 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 3039 /* jni_GetField_probe() assumes that is okay to create handles. */ \
dcubed@3202 3040 if (JvmtiExport::should_post_field_access()) { \
dcubed@3202 3041 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \
dcubed@3202 3042 } \
dcubed@3202 3043 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \
dcubed@3202 3044 return ret;\
dcubed@3202 3045 JNI_END
dcubed@3202 3046
dcubed@3202 3047 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean
dcubed@3202 3048 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref))
dcubed@3202 3049 DEFINE_GETSTATICFIELD(jbyte, byte, Byte
dcubed@3202 3050 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) )
dcubed@3202 3051 DEFINE_GETSTATICFIELD(jchar, char, Char
dcubed@3202 3052 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) )
dcubed@3202 3053 DEFINE_GETSTATICFIELD(jshort, short, Short
dcubed@3202 3054 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) )
dcubed@3202 3055 DEFINE_GETSTATICFIELD(jint, int, Int
dcubed@3202 3056 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) )
dcubed@3202 3057 DEFINE_GETSTATICFIELD(jlong, long, Long
dcubed@3202 3058 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) )
dcubed@3202 3059 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 3060 DEFINE_GETSTATICFIELD(jfloat, float, Float
dcubed@3202 3061 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() )
dcubed@3202 3062 DEFINE_GETSTATICFIELD(jdouble, double, Double
dcubed@3202 3063 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() )
dcubed@3202 3064 #endif /* USDT2 */
duke@435 3065
duke@435 3066 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value))
duke@435 3067 JNIWrapper("SetStaticObjectField");
dcubed@3202 3068 #ifndef USDT2
duke@435 3069 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value);
dcubed@3202 3070 #else /* USDT2 */
dcubed@3202 3071 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY(
dcubed@3202 3072 env, clazz, (uintptr_t) fieldID, value);
dcubed@3202 3073 #endif /* USDT2 */
duke@435 3074 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
duke@435 3075 assert(id->is_static_field_id(), "invalid static field id");
duke@435 3076 // Keep JVMTI addition small and only check enabled flag here.
duke@435 3077 // jni_SetField_probe() assumes that is okay to create handles.
duke@435 3078 if (JvmtiExport::should_post_field_modification()) {
duke@435 3079 jvalue field_value;
duke@435 3080 field_value.l = value;
duke@435 3081 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value);
duke@435 3082 }
never@2658 3083 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value));
dcubed@3202 3084 #ifndef USDT2
duke@435 3085 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return);
dcubed@3202 3086 #else /* USDT2 */
dcubed@3202 3087 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN(
dcubed@3202 3088 );
dcubed@3202 3089 #endif /* USDT2 */
duke@435 3090 JNI_END
duke@435 3091
duke@435 3092
dcubed@3202 3093 #ifndef USDT2
duke@435 3094 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \
duke@435 3095 \
duke@435 3096 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \
duke@435 3097 JNIWrapper("SetStatic" XSTR(Result) "Field"); \
coleenp@4148 3098 FP_SELECT_##Result( \
coleenp@4148 3099 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \
coleenp@4148 3100 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \
duke@435 3101 \
duke@435 3102 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
duke@435 3103 assert(id->is_static_field_id(), "invalid static field id"); \
duke@435 3104 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 3105 /* jni_SetField_probe() assumes that is okay to create handles. */ \
duke@435 3106 if (JvmtiExport::should_post_field_modification()) { \
duke@435 3107 jvalue field_value; \
duke@435 3108 field_value.unionType = value; \
duke@435 3109 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \
duke@435 3110 } \
never@2658 3111 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \
duke@435 3112 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\
duke@435 3113 JNI_END
duke@435 3114
duke@435 3115 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z)
duke@435 3116 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b)
duke@435 3117 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c)
duke@435 3118 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s)
duke@435 3119 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i)
duke@435 3120 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j)
duke@435 3121 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f)
duke@435 3122 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d)
duke@435 3123
dcubed@3202 3124 #else /* USDT2 */
dcubed@3202 3125
dcubed@3202 3126 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \
dcubed@3202 3127 , EntryProbe, ReturnProbe) \
dcubed@3202 3128 \
dcubed@3202 3129 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \
dcubed@3202 3130 JNIWrapper("SetStatic" XSTR(Result) "Field"); \
dcubed@3202 3131 EntryProbe; \
dcubed@3202 3132 \
dcubed@3202 3133 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
dcubed@3202 3134 assert(id->is_static_field_id(), "invalid static field id"); \
dcubed@3202 3135 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 3136 /* jni_SetField_probe() assumes that is okay to create handles. */ \
dcubed@3202 3137 if (JvmtiExport::should_post_field_modification()) { \
dcubed@3202 3138 jvalue field_value; \
dcubed@3202 3139 field_value.unionType = value; \
dcubed@3202 3140 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \
dcubed@3202 3141 } \
dcubed@3202 3142 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \
dcubed@3202 3143 ReturnProbe;\
dcubed@3202 3144 JNI_END
dcubed@3202 3145
dcubed@3202 3146 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z
dcubed@3202 3147 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value),
dcubed@3202 3148 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN())
dcubed@3202 3149 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b
dcubed@3202 3150 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3151 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN())
dcubed@3202 3152 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c
dcubed@3202 3153 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3154 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN())
dcubed@3202 3155 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s
dcubed@3202 3156 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3157 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN())
dcubed@3202 3158 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i
dcubed@3202 3159 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3160 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN())
dcubed@3202 3161 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j
dcubed@3202 3162 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3163 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN())
dcubed@3202 3164 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 3165 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f
dcubed@3202 3166 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),
dcubed@3202 3167 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN())
dcubed@3202 3168 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d
dcubed@3202 3169 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),
dcubed@3202 3170 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN())
dcubed@3202 3171 #endif /* USDT2 */
duke@435 3172
duke@435 3173 //
duke@435 3174 // String Operations
duke@435 3175 //
duke@435 3176
duke@435 3177 // Unicode Interface
duke@435 3178
dcubed@3202 3179 #ifndef USDT2
duke@435 3180 DT_RETURN_MARK_DECL(NewString, jstring);
dcubed@3202 3181 #else /* USDT2 */
dcubed@3202 3182 DT_RETURN_MARK_DECL(NewString, jstring
dcubed@3202 3183 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref));
dcubed@3202 3184 #endif /* USDT2 */
duke@435 3185
duke@435 3186 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len))
duke@435 3187 JNIWrapper("NewString");
dcubed@3202 3188 #ifndef USDT2
duke@435 3189 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len);
dcubed@3202 3190 #else /* USDT2 */
dcubed@3202 3191 HOTSPOT_JNI_NEWSTRING_ENTRY(
dcubed@3202 3192 env, (uint16_t *) unicodeChars, len);
dcubed@3202 3193 #endif /* USDT2 */
duke@435 3194 jstring ret = NULL;
duke@435 3195 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret);
duke@435 3196 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL);
duke@435 3197 ret = (jstring) JNIHandles::make_local(env, string);
duke@435 3198 return ret;
duke@435 3199 JNI_END
duke@435 3200
duke@435 3201
duke@435 3202 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string))
duke@435 3203 JNIWrapper("GetStringLength");
dcubed@3202 3204 #ifndef USDT2
duke@435 3205 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string);
dcubed@3202 3206 #else /* USDT2 */
dcubed@3202 3207 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY(
dcubed@3202 3208 env, string);
dcubed@3202 3209 #endif /* USDT2 */
sla@5844 3210 jsize ret = 0;
sla@5844 3211 oop s = JNIHandles::resolve_non_null(string);
sla@5844 3212 if (java_lang_String::value(s) != NULL) {
sla@5844 3213 ret = java_lang_String::length(s);
sla@5844 3214 }
dcubed@3202 3215 #ifndef USDT2
duke@435 3216 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret);
dcubed@3202 3217 #else /* USDT2 */
dcubed@3202 3218 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN(
dcubed@3202 3219 ret);
dcubed@3202 3220 #endif /* USDT2 */
duke@435 3221 return ret;
duke@435 3222 JNI_END
duke@435 3223
duke@435 3224
duke@435 3225 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars(
duke@435 3226 JNIEnv *env, jstring string, jboolean *isCopy))
duke@435 3227 JNIWrapper("GetStringChars");
dcubed@3202 3228 #ifndef USDT2
duke@435 3229 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy);
dcubed@3202 3230 #else /* USDT2 */
dcubed@3202 3231 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY(
dcubed@3202 3232 env, string, (uintptr_t *) isCopy);
dcubed@3202 3233 #endif /* USDT2 */
sla@5844 3234 jchar* buf = NULL;
duke@435 3235 oop s = JNIHandles::resolve_non_null(string);
duke@435 3236 typeArrayOop s_value = java_lang_String::value(s);
sla@5844 3237 if (s_value != NULL) {
sla@5844 3238 int s_len = java_lang_String::length(s);
sla@5844 3239 int s_offset = java_lang_String::offset(s);
sla@5844 3240 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination
sla@5844 3241 /* JNI Specification states return NULL on OOM */
sla@5844 3242 if (buf != NULL) {
sla@5844 3243 if (s_len > 0) {
sla@5844 3244 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len);
sla@5844 3245 }
sla@5844 3246 buf[s_len] = 0;
sla@5844 3247 //%note jni_5
sla@5844 3248 if (isCopy != NULL) {
sla@5844 3249 *isCopy = JNI_TRUE;
sla@5844 3250 }
dsimms@5577 3251 }
duke@435 3252 }
dcubed@3202 3253 #ifndef USDT2
duke@435 3254 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf);
dcubed@3202 3255 #else /* USDT2 */
dcubed@3202 3256 HOTSPOT_JNI_GETSTRINGCHARS_RETURN(
dcubed@3202 3257 buf);
dcubed@3202 3258 #endif /* USDT2 */
duke@435 3259 return buf;
duke@435 3260 JNI_END
duke@435 3261
duke@435 3262
duke@435 3263 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars))
duke@435 3264 JNIWrapper("ReleaseStringChars");
dcubed@3202 3265 #ifndef USDT2
duke@435 3266 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars);
dcubed@3202 3267 #else /* USDT2 */
dcubed@3202 3268 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY(
dcubed@3202 3269 env, str, (uint16_t *) chars);
dcubed@3202 3270 #endif /* USDT2 */
duke@435 3271 //%note jni_6
duke@435 3272 if (chars != NULL) {
duke@435 3273 // Since String objects are supposed to be immutable, don't copy any
duke@435 3274 // new data back. A bad user will have to go after the char array.
duke@435 3275 FreeHeap((void*) chars);
duke@435 3276 }
dcubed@3202 3277 #ifndef USDT2
duke@435 3278 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return);
dcubed@3202 3279 #else /* USDT2 */
dcubed@3202 3280 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN(
dcubed@3202 3281 );
dcubed@3202 3282 #endif /* USDT2 */
duke@435 3283 JNI_END
duke@435 3284
duke@435 3285
duke@435 3286 // UTF Interface
duke@435 3287
dcubed@3202 3288 #ifndef USDT2
duke@435 3289 DT_RETURN_MARK_DECL(NewStringUTF, jstring);
dcubed@3202 3290 #else /* USDT2 */
dcubed@3202 3291 DT_RETURN_MARK_DECL(NewStringUTF, jstring
dcubed@3202 3292 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref));
dcubed@3202 3293 #endif /* USDT2 */
duke@435 3294
duke@435 3295 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes))
duke@435 3296 JNIWrapper("NewStringUTF");
dcubed@3202 3297 #ifndef USDT2
duke@435 3298 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes);
dcubed@3202 3299 #else /* USDT2 */
dcubed@3202 3300 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY(
dcubed@3202 3301 env, (char *) bytes);
dcubed@3202 3302 #endif /* USDT2 */
duke@435 3303 jstring ret;
duke@435 3304 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret);
duke@435 3305
duke@435 3306 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL);
duke@435 3307 ret = (jstring) JNIHandles::make_local(env, result);
duke@435 3308 return ret;
duke@435 3309 JNI_END
duke@435 3310
duke@435 3311
duke@435 3312 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string))
duke@435 3313 JNIWrapper("GetStringUTFLength");
dcubed@3202 3314 #ifndef USDT2
duke@435 3315 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string);
dcubed@3202 3316 #else /* USDT2 */
dcubed@3202 3317 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY(
dcubed@3202 3318 env, string);
dcubed@3202 3319 #endif /* USDT2 */
sla@5844 3320 jsize ret = 0;
sla@5844 3321 oop java_string = JNIHandles::resolve_non_null(string);
sla@5844 3322 if (java_lang_String::value(java_string) != NULL) {
sla@5844 3323 ret = java_lang_String::utf8_length(java_string);
sla@5844 3324 }
dcubed@3202 3325 #ifndef USDT2
duke@435 3326 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret);
dcubed@3202 3327 #else /* USDT2 */
dcubed@3202 3328 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN(
dcubed@3202 3329 ret);
dcubed@3202 3330 #endif /* USDT2 */
duke@435 3331 return ret;
duke@435 3332 JNI_END
duke@435 3333
duke@435 3334
duke@435 3335 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy))
duke@435 3336 JNIWrapper("GetStringUTFChars");
dcubed@3202 3337 #ifndef USDT2
duke@435 3338 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy);
dcubed@3202 3339 #else /* USDT2 */
dcubed@3202 3340 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY(
dcubed@3202 3341 env, string, (uintptr_t *) isCopy);
dcubed@3202 3342 #endif /* USDT2 */
sla@5844 3343 char* result = NULL;
sla@2331 3344 oop java_string = JNIHandles::resolve_non_null(string);
sla@5844 3345 if (java_lang_String::value(java_string) != NULL) {
sla@5844 3346 size_t length = java_lang_String::utf8_length(java_string);
sla@5844 3347 /* JNI Specification states return NULL on OOM */
sla@5844 3348 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL);
sla@5844 3349 if (result != NULL) {
sla@5844 3350 java_lang_String::as_utf8_string(java_string, result, (int) length + 1);
sla@5844 3351 if (isCopy != NULL) {
sla@5844 3352 *isCopy = JNI_TRUE;
sla@5844 3353 }
dsimms@5577 3354 }
dsimms@5577 3355 }
dcubed@3202 3356 #ifndef USDT2
duke@435 3357 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result);
dcubed@3202 3358 #else /* USDT2 */
dcubed@3202 3359 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN(
dcubed@3202 3360 result);
dcubed@3202 3361 #endif /* USDT2 */
duke@435 3362 return result;
duke@435 3363 JNI_END
duke@435 3364
duke@435 3365
duke@435 3366 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars))
duke@435 3367 JNIWrapper("ReleaseStringUTFChars");
dcubed@3202 3368 #ifndef USDT2
duke@435 3369 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars);
dcubed@3202 3370 #else /* USDT2 */
dcubed@3202 3371 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY(
dcubed@3202 3372 env, str, (char *) chars);
dcubed@3202 3373 #endif /* USDT2 */
duke@435 3374 if (chars != NULL) {
duke@435 3375 FreeHeap((char*) chars);
duke@435 3376 }
dcubed@3202 3377 #ifndef USDT2
duke@435 3378 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return);
dcubed@3202 3379 #else /* USDT2 */
dcubed@3202 3380 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN(
dcubed@3202 3381 );
dcubed@3202 3382 #endif /* USDT2 */
duke@435 3383 JNI_END
duke@435 3384
duke@435 3385
duke@435 3386 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array))
duke@435 3387 JNIWrapper("GetArrayLength");
dcubed@3202 3388 #ifndef USDT2
duke@435 3389 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array);
dcubed@3202 3390 #else /* USDT2 */
dcubed@3202 3391 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY(
dcubed@3202 3392 env, array);
dcubed@3202 3393 #endif /* USDT2 */
duke@435 3394 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array));
duke@435 3395 assert(a->is_array(), "must be array");
duke@435 3396 jsize ret = a->length();
dcubed@3202 3397 #ifndef USDT2
duke@435 3398 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret);
dcubed@3202 3399 #else /* USDT2 */
dcubed@3202 3400 HOTSPOT_JNI_GETARRAYLENGTH_RETURN(
dcubed@3202 3401 ret);
dcubed@3202 3402 #endif /* USDT2 */
duke@435 3403 return ret;
duke@435 3404 JNI_END
duke@435 3405
duke@435 3406
duke@435 3407 //
duke@435 3408 // Object Array Operations
duke@435 3409 //
duke@435 3410
dcubed@3202 3411 #ifndef USDT2
duke@435 3412 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray);
dcubed@3202 3413 #else /* USDT2 */
dcubed@3202 3414 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray
dcubed@3202 3415 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref));
dcubed@3202 3416 #endif /* USDT2 */
duke@435 3417
duke@435 3418 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement))
duke@435 3419 JNIWrapper("NewObjectArray");
dcubed@3202 3420 #ifndef USDT2
duke@435 3421 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement);
dcubed@3202 3422 #else /* USDT2 */
dcubed@3202 3423 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY(
dcubed@3202 3424 env, length, elementClass, initialElement);
dcubed@3202 3425 #endif /* USDT2 */
duke@435 3426 jobjectArray ret = NULL;
duke@435 3427 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret);
coleenp@4037 3428 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass)));
hseigel@4278 3429 Klass* ako = ek()->array_klass(CHECK_NULL);
duke@435 3430 KlassHandle ak = KlassHandle(THREAD, ako);
coleenp@4142 3431 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL);
coleenp@4142 3432 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL);
duke@435 3433 oop initial_value = JNIHandles::resolve(initialElement);
duke@435 3434 if (initial_value != NULL) { // array already initialized with NULL
duke@435 3435 for (int index = 0; index < length; index++) {
duke@435 3436 result->obj_at_put(index, initial_value);
duke@435 3437 }
duke@435 3438 }
duke@435 3439 ret = (jobjectArray) JNIHandles::make_local(env, result);
duke@435 3440 return ret;
duke@435 3441 JNI_END
duke@435 3442
dcubed@3202 3443 #ifndef USDT2
duke@435 3444 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject);
dcubed@3202 3445 #else /* USDT2 */
dcubed@3202 3446 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject
dcubed@3202 3447 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref));
dcubed@3202 3448 #endif /* USDT2 */
duke@435 3449
duke@435 3450 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index))
duke@435 3451 JNIWrapper("GetObjectArrayElement");
dcubed@3202 3452 #ifndef USDT2
duke@435 3453 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index);
dcubed@3202 3454 #else /* USDT2 */
dcubed@3202 3455 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY(
dcubed@3202 3456 env, array, index);
dcubed@3202 3457 #endif /* USDT2 */
duke@435 3458 jobject ret = NULL;
duke@435 3459 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret);
duke@435 3460 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array));
duke@435 3461 if (a->is_within_bounds(index)) {
kamg@1469 3462 ret = JNIHandles::make_local(env, a->obj_at(index));
duke@435 3463 return ret;
duke@435 3464 } else {
duke@435 3465 char buf[jintAsStringSize];
duke@435 3466 sprintf(buf, "%d", index);
duke@435 3467 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf);
duke@435 3468 }
duke@435 3469 JNI_END
duke@435 3470
dcubed@3202 3471 #ifndef USDT2
duke@435 3472 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement);
dcubed@3202 3473 #else /* USDT2 */
dcubed@3202 3474 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement
dcubed@3202 3475 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN());
dcubed@3202 3476 #endif /* USDT2 */
duke@435 3477
duke@435 3478 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value))
duke@435 3479 JNIWrapper("SetObjectArrayElement");
dcubed@3202 3480 #ifndef USDT2
duke@435 3481 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value);
dcubed@3202 3482 #else /* USDT2 */
dcubed@3202 3483 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY(
dcubed@3202 3484 env, array, index, value);
dcubed@3202 3485 #endif /* USDT2 */
duke@435 3486 DT_VOID_RETURN_MARK(SetObjectArrayElement);
duke@435 3487
duke@435 3488 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array));
duke@435 3489 oop v = JNIHandles::resolve(value);
duke@435 3490 if (a->is_within_bounds(index)) {
coleenp@4142 3491 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) {
duke@435 3492 a->obj_at_put(index, v);
duke@435 3493 } else {
duke@435 3494 THROW(vmSymbols::java_lang_ArrayStoreException());
duke@435 3495 }
duke@435 3496 } else {
duke@435 3497 char buf[jintAsStringSize];
duke@435 3498 sprintf(buf, "%d", index);
duke@435 3499 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf);
duke@435 3500 }
duke@435 3501 JNI_END
duke@435 3502
duke@435 3503
dcubed@3202 3504 #ifndef USDT2
duke@435 3505 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \
duke@435 3506 \
dcubed@3202 3507 DT_RETURN_MARK_DECL(New##Result##Array, Return); \
duke@435 3508 \
duke@435 3509 JNI_ENTRY(Return, \
duke@435 3510 jni_New##Result##Array(JNIEnv *env, jsize len)) \
duke@435 3511 JNIWrapper("New" XSTR(Result) "Array"); \
duke@435 3512 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\
duke@435 3513 Return ret = NULL;\
kamg@1469 3514 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\
duke@435 3515 \
duke@435 3516 oop obj= oopFactory::Allocator(len, CHECK_0); \
duke@435 3517 ret = (Return) JNIHandles::make_local(env, obj); \
duke@435 3518 return ret;\
duke@435 3519 JNI_END
duke@435 3520
duke@435 3521 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean)
duke@435 3522 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte)
duke@435 3523 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short)
duke@435 3524 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char)
duke@435 3525 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int)
duke@435 3526 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long)
duke@435 3527 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float)
duke@435 3528 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double)
duke@435 3529
dcubed@3202 3530 #else /* USDT2 */
dcubed@3202 3531
dcubed@3202 3532 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \
dcubed@3202 3533 ,EntryProbe,ReturnProbe) \
dcubed@3202 3534 \
dcubed@3202 3535 DT_RETURN_MARK_DECL(New##Result##Array, Return \
dcubed@3202 3536 , ReturnProbe); \
dcubed@3202 3537 \
dcubed@3202 3538 JNI_ENTRY(Return, \
dcubed@3202 3539 jni_New##Result##Array(JNIEnv *env, jsize len)) \
dcubed@3202 3540 JNIWrapper("New" XSTR(Result) "Array"); \
dcubed@3202 3541 EntryProbe; \
dcubed@3202 3542 Return ret = NULL;\
dcubed@3202 3543 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\
dcubed@3202 3544 \
dcubed@3202 3545 oop obj= oopFactory::Allocator(len, CHECK_0); \
dcubed@3202 3546 ret = (Return) JNIHandles::make_local(env, obj); \
dcubed@3202 3547 return ret;\
dcubed@3202 3548 JNI_END
dcubed@3202 3549
dcubed@3202 3550 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean,
dcubed@3202 3551 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len),
dcubed@3202 3552 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref))
dcubed@3202 3553 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte,
dcubed@3202 3554 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len),
dcubed@3202 3555 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref))
dcubed@3202 3556 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short,
dcubed@3202 3557 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len),
dcubed@3202 3558 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref))
dcubed@3202 3559 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char,
dcubed@3202 3560 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len),
dcubed@3202 3561 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref))
dcubed@3202 3562 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int,
dcubed@3202 3563 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len),
dcubed@3202 3564 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref))
dcubed@3202 3565 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long,
dcubed@3202 3566 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len),
dcubed@3202 3567 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref))
dcubed@3202 3568 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float,
dcubed@3202 3569 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len),
dcubed@3202 3570 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref))
dcubed@3202 3571 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double,
dcubed@3202 3572 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len),
dcubed@3202 3573 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref))
dcubed@3202 3574 #endif /* USDT2 */
duke@435 3575
duke@435 3576 // Return an address which will fault if the caller writes to it.
duke@435 3577
duke@435 3578 static char* get_bad_address() {
duke@435 3579 static char* bad_address = NULL;
duke@435 3580 if (bad_address == NULL) {
duke@435 3581 size_t size = os::vm_allocation_granularity();
duke@435 3582 bad_address = os::reserve_memory(size);
duke@435 3583 if (bad_address != NULL) {
coleenp@912 3584 os::protect_memory(bad_address, size, os::MEM_PROT_READ,
coleenp@912 3585 /*is_committed*/false);
zgu@7074 3586 MemTracker::record_virtual_memory_type((void*)bad_address, mtInternal);
duke@435 3587 }
duke@435 3588 }
duke@435 3589 return bad_address;
duke@435 3590 }
duke@435 3591
duke@435 3592
dcubed@3202 3593 #ifndef USDT2
duke@435 3594 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \
duke@435 3595 \
duke@435 3596 JNI_QUICK_ENTRY(ElementType*, \
duke@435 3597 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \
duke@435 3598 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \
duke@435 3599 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\
duke@435 3600 /* allocate an chunk of memory in c land */ \
duke@435 3601 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3602 ElementType* result; \
duke@435 3603 int len = a->length(); \
duke@435 3604 if (len == 0) { \
duke@435 3605 /* Empty array: legal but useless, can't return NULL. \
duke@435 3606 * Return a pointer to something useless. \
duke@435 3607 * Avoid asserts in typeArrayOop. */ \
duke@435 3608 result = (ElementType*)get_bad_address(); \
duke@435 3609 } else { \
dsimms@5577 3610 /* JNI Specification states return NULL on OOM */ \
dsimms@5577 3611 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \
dsimms@5577 3612 if (result != NULL) { \
dsimms@5577 3613 /* copy the array to the c chunk */ \
dsimms@5577 3614 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \
dsimms@5577 3615 if (isCopy) { \
dsimms@5577 3616 *isCopy = JNI_TRUE; \
dsimms@5577 3617 } \
dsimms@5577 3618 } \
duke@435 3619 } \
duke@435 3620 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\
duke@435 3621 return result; \
duke@435 3622 JNI_END
duke@435 3623
duke@435 3624 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool)
duke@435 3625 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte)
duke@435 3626 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short)
duke@435 3627 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char)
duke@435 3628 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int)
duke@435 3629 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long)
duke@435 3630 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float)
duke@435 3631 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double)
duke@435 3632
dcubed@3202 3633 #else /* USDT2 */
dcubed@3202 3634
dcubed@3202 3635 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \
dcubed@3202 3636 , EntryProbe, ReturnProbe) \
dcubed@3202 3637 \
dcubed@3202 3638 JNI_QUICK_ENTRY(ElementType*, \
dcubed@3202 3639 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \
dcubed@3202 3640 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \
dcubed@3202 3641 EntryProbe; \
dcubed@3202 3642 /* allocate an chunk of memory in c land */ \
dcubed@3202 3643 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3644 ElementType* result; \
dcubed@3202 3645 int len = a->length(); \
dcubed@3202 3646 if (len == 0) { \
dcubed@3202 3647 /* Empty array: legal but useless, can't return NULL. \
dcubed@3202 3648 * Return a pointer to something useless. \
dcubed@3202 3649 * Avoid asserts in typeArrayOop. */ \
dcubed@3202 3650 result = (ElementType*)get_bad_address(); \
dcubed@3202 3651 } else { \
dsimms@5577 3652 /* JNI Specification states return NULL on OOM */ \
dsimms@5577 3653 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \
dsimms@5577 3654 if (result != NULL) { \
dsimms@5577 3655 /* copy the array to the c chunk */ \
dsimms@5577 3656 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \
dsimms@5577 3657 if (isCopy) { \
dsimms@5577 3658 *isCopy = JNI_TRUE; \
dsimms@5577 3659 } \
dsimms@5577 3660 } \
dcubed@3202 3661 } \
dcubed@3202 3662 ReturnProbe; \
dcubed@3202 3663 return result; \
dcubed@3202 3664 JNI_END
dcubed@3202 3665
dcubed@3202 3666 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool
dcubed@3202 3667 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3668 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result))
dcubed@3202 3669 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte
dcubed@3202 3670 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3671 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result))
dcubed@3202 3672 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short
dcubed@3202 3673 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy),
dcubed@3202 3674 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result))
dcubed@3202 3675 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char
dcubed@3202 3676 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy),
dcubed@3202 3677 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result))
dcubed@3202 3678 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int
dcubed@3202 3679 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3680 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result))
dcubed@3202 3681 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long
dcubed@3202 3682 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3683 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result)))
dcubed@3202 3684 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 3685 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float
dcubed@3202 3686 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3687 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result))
dcubed@3202 3688 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double
dcubed@3202 3689 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3690 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result))
dcubed@3202 3691 #endif /* USDT2 */
dcubed@3202 3692
dcubed@3202 3693 #ifndef USDT2
duke@435 3694 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \
duke@435 3695 \
duke@435 3696 JNI_QUICK_ENTRY(void, \
duke@435 3697 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \
duke@435 3698 ElementType *buf, jint mode)) \
duke@435 3699 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \
duke@435 3700 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\
duke@435 3701 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3702 int len = a->length(); \
duke@435 3703 if (len != 0) { /* Empty array: nothing to free or copy. */ \
duke@435 3704 if ((mode == 0) || (mode == JNI_COMMIT)) { \
duke@435 3705 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \
duke@435 3706 } \
duke@435 3707 if ((mode == 0) || (mode == JNI_ABORT)) { \
duke@435 3708 FreeHeap(buf); \
duke@435 3709 } \
duke@435 3710 } \
duke@435 3711 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\
duke@435 3712 JNI_END
duke@435 3713
duke@435 3714 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool)
duke@435 3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte)
duke@435 3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short)
duke@435 3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char)
duke@435 3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int)
duke@435 3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long)
duke@435 3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float)
duke@435 3721 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double)
duke@435 3722
dcubed@3202 3723 #else /* USDT2 */
dcubed@3202 3724
dcubed@3202 3725 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \
dcubed@3202 3726 , EntryProbe, ReturnProbe);\
dcubed@3202 3727 \
dcubed@3202 3728 JNI_QUICK_ENTRY(void, \
dcubed@3202 3729 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \
dcubed@3202 3730 ElementType *buf, jint mode)) \
dcubed@3202 3731 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \
dcubed@3202 3732 EntryProbe; \
dcubed@3202 3733 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3734 int len = a->length(); \
dcubed@3202 3735 if (len != 0) { /* Empty array: nothing to free or copy. */ \
dcubed@3202 3736 if ((mode == 0) || (mode == JNI_COMMIT)) { \
dcubed@3202 3737 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \
dcubed@3202 3738 } \
dcubed@3202 3739 if ((mode == 0) || (mode == JNI_ABORT)) { \
dcubed@3202 3740 FreeHeap(buf); \
dcubed@3202 3741 } \
dcubed@3202 3742 } \
dcubed@3202 3743 ReturnProbe; \
dcubed@3202 3744 JNI_END
dcubed@3202 3745
dcubed@3202 3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool
dcubed@3202 3747 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode),
dcubed@3202 3748 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN())
dcubed@3202 3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte
dcubed@3202 3750 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode),
dcubed@3202 3751 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN())
dcubed@3202 3752 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short
dcubed@3202 3753 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode),
dcubed@3202 3754 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN())
dcubed@3202 3755 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char
dcubed@3202 3756 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode),
dcubed@3202 3757 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN())
dcubed@3202 3758 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int
dcubed@3202 3759 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode),
dcubed@3202 3760 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN())
dcubed@3202 3761 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long
dcubed@3202 3762 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode),
dcubed@3202 3763 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN())
dcubed@3202 3764 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float
dcubed@3202 3765 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode),
dcubed@3202 3766 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN())
dcubed@3202 3767 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double
dcubed@3202 3768 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode),
dcubed@3202 3769 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN())
dcubed@3202 3770 #endif /* USDT2 */
dcubed@3202 3771
dcubed@3202 3772 #ifndef USDT2
duke@435 3773 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \
duke@435 3774 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\
duke@435 3775 \
duke@435 3776 JNI_ENTRY(void, \
duke@435 3777 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
duke@435 3778 jsize len, ElementType *buf)) \
duke@435 3779 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \
duke@435 3780 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\
duke@435 3781 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \
duke@435 3782 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3783 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \
duke@435 3784 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
duke@435 3785 } else { \
duke@435 3786 if (len > 0) { \
coleenp@4142 3787 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \
duke@435 3788 memcpy((u_char*) buf, \
duke@435 3789 (u_char*) src->Tag##_at_addr(start), \
duke@435 3790 len << sc); \
duke@435 3791 } \
duke@435 3792 } \
duke@435 3793 JNI_END
duke@435 3794
duke@435 3795 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool)
duke@435 3796 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte)
duke@435 3797 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short)
duke@435 3798 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char)
duke@435 3799 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int)
duke@435 3800 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long)
duke@435 3801 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float)
duke@435 3802 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double)
duke@435 3803
dcubed@3202 3804 #else /* USDT2 */
dcubed@3202 3805
dcubed@3202 3806 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \
dcubed@3202 3807 , EntryProbe, ReturnProbe); \
dcubed@3202 3808 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \
dcubed@3202 3809 , ReturnProbe); \
dcubed@3202 3810 \
dcubed@3202 3811 JNI_ENTRY(void, \
dcubed@3202 3812 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
dcubed@3202 3813 jsize len, ElementType *buf)) \
dcubed@3202 3814 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \
dcubed@3202 3815 EntryProbe; \
dcubed@3202 3816 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \
dcubed@3202 3817 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3818 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \
dcubed@3202 3819 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
dcubed@3202 3820 } else { \
dcubed@3202 3821 if (len > 0) { \
coleenp@4142 3822 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \
dcubed@3202 3823 memcpy((u_char*) buf, \
dcubed@3202 3824 (u_char*) src->Tag##_at_addr(start), \
dcubed@3202 3825 len << sc); \
dcubed@3202 3826 } \
dcubed@3202 3827 } \
dcubed@3202 3828 JNI_END
dcubed@3202 3829
dcubed@3202 3830 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool
dcubed@3202 3831 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
dcubed@3202 3832 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN());
dcubed@3202 3833 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte
dcubed@3202 3834 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf),
dcubed@3202 3835 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN());
dcubed@3202 3836 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short
dcubed@3202 3837 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
dcubed@3202 3838 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN());
dcubed@3202 3839 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char
dcubed@3202 3840 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf),
dcubed@3202 3841 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN());
dcubed@3202 3842 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int
dcubed@3202 3843 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf),
dcubed@3202 3844 HOTSPOT_JNI_GETINTARRAYREGION_RETURN());
dcubed@3202 3845 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long
dcubed@3202 3846 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
dcubed@3202 3847 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN());
dcubed@3202 3848 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float
dcubed@3202 3849 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf),
dcubed@3202 3850 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN());
dcubed@3202 3851 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double
dcubed@3202 3852 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf),
dcubed@3202 3853 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN());
dcubed@3202 3854 #endif /* USDT2 */
dcubed@3202 3855
dcubed@3202 3856 #ifndef USDT2
duke@435 3857 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \
duke@435 3858 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\
duke@435 3859 \
duke@435 3860 JNI_ENTRY(void, \
duke@435 3861 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
duke@435 3862 jsize len, const ElementType *buf)) \
duke@435 3863 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \
duke@435 3864 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\
duke@435 3865 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \
duke@435 3866 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3867 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \
duke@435 3868 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
duke@435 3869 } else { \
duke@435 3870 if (len > 0) { \
coleenp@4142 3871 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \
duke@435 3872 memcpy((u_char*) dst->Tag##_at_addr(start), \
duke@435 3873 (u_char*) buf, \
duke@435 3874 len << sc); \
duke@435 3875 } \
duke@435 3876 } \
duke@435 3877 JNI_END
duke@435 3878
duke@435 3879 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool)
duke@435 3880 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte)
duke@435 3881 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short)
duke@435 3882 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char)
duke@435 3883 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int)
duke@435 3884 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long)
duke@435 3885 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float)
duke@435 3886 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double)
duke@435 3887
dcubed@3202 3888 #else /* USDT2 */
dcubed@3202 3889
dcubed@3202 3890 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \
dcubed@3202 3891 , EntryProbe, ReturnProbe); \
dcubed@3202 3892 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \
dcubed@3202 3893 ,ReturnProbe); \
dcubed@3202 3894 \
dcubed@3202 3895 JNI_ENTRY(void, \
dcubed@3202 3896 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
dcubed@3202 3897 jsize len, const ElementType *buf)) \
dcubed@3202 3898 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \
dcubed@3202 3899 EntryProbe; \
dcubed@3202 3900 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \
dcubed@3202 3901 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3902 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \
dcubed@3202 3903 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
dcubed@3202 3904 } else { \
dcubed@3202 3905 if (len > 0) { \
coleenp@4142 3906 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \
dcubed@3202 3907 memcpy((u_char*) dst->Tag##_at_addr(start), \
dcubed@3202 3908 (u_char*) buf, \
dcubed@3202 3909 len << sc); \
dcubed@3202 3910 } \
dcubed@3202 3911 } \
dcubed@3202 3912 JNI_END
dcubed@3202 3913
dcubed@3202 3914 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool
dcubed@3202 3915 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf),
dcubed@3202 3916 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN())
dcubed@3202 3917 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte
dcubed@3202 3918 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf),
dcubed@3202 3919 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN())
dcubed@3202 3920 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short
dcubed@3202 3921 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
dcubed@3202 3922 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN())
dcubed@3202 3923 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char
dcubed@3202 3924 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
dcubed@3202 3925 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN())
dcubed@3202 3926 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int
dcubed@3202 3927 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf),
dcubed@3202 3928 HOTSPOT_JNI_SETINTARRAYREGION_RETURN())
dcubed@3202 3929 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long
dcubed@3202 3930 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
dcubed@3202 3931 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN())
dcubed@3202 3932 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float
dcubed@3202 3933 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf),
dcubed@3202 3934 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN())
dcubed@3202 3935 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double
dcubed@3202 3936 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf),
dcubed@3202 3937 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN())
dcubed@3202 3938 #endif /* USDT2 */
dcubed@3202 3939
duke@435 3940
duke@435 3941 //
duke@435 3942 // Interception of natives
duke@435 3943 //
duke@435 3944
duke@435 3945 // The RegisterNatives call being attempted tried to register with a method that
duke@435 3946 // is not native. Ask JVM TI what prefixes have been specified. Then check
duke@435 3947 // to see if the native method is now wrapped with the prefixes. See the
duke@435 3948 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details.
coleenp@4037 3949 static Method* find_prefixed_native(KlassHandle k,
coleenp@2497 3950 Symbol* name, Symbol* signature, TRAPS) {
jprovino@4165 3951 #if INCLUDE_JVMTI
duke@435 3952 ResourceMark rm(THREAD);
coleenp@4037 3953 Method* method;
duke@435 3954 int name_len = name->utf8_length();
duke@435 3955 char* name_str = name->as_utf8();
duke@435 3956 int prefix_count;
duke@435 3957 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count);
duke@435 3958 for (int i = 0; i < prefix_count; i++) {
duke@435 3959 char* prefix = prefixes[i];
duke@435 3960 int prefix_len = (int)strlen(prefix);
duke@435 3961
duke@435 3962 // try adding this prefix to the method name and see if it matches another method name
duke@435 3963 int trial_len = name_len + prefix_len;
duke@435 3964 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1);
duke@435 3965 strcpy(trial_name_str, prefix);
duke@435 3966 strcat(trial_name_str, name_str);
coleenp@2497 3967 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len);
coleenp@2497 3968 if (trial_name == NULL) {
duke@435 3969 continue; // no such symbol, so this prefix wasn't used, try the next prefix
duke@435 3970 }
hseigel@4278 3971 method = k()->lookup_method(trial_name, signature);
duke@435 3972 if (method == NULL) {
duke@435 3973 continue; // signature doesn't match, try the next prefix
duke@435 3974 }
duke@435 3975 if (method->is_native()) {
duke@435 3976 method->set_is_prefixed_native();
duke@435 3977 return method; // wahoo, we found a prefixed version of the method, return it
duke@435 3978 }
duke@435 3979 // found as non-native, so prefix is good, add it, probably just need more prefixes
duke@435 3980 name_len = trial_len;
duke@435 3981 name_str = trial_name_str;
duke@435 3982 }
jprovino@4165 3983 #endif // INCLUDE_JVMTI
duke@435 3984 return NULL; // not found
duke@435 3985 }
duke@435 3986
coleenp@2497 3987 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) {
hseigel@4278 3988 Method* method = k()->lookup_method(name, signature);
duke@435 3989 if (method == NULL) {
duke@435 3990 ResourceMark rm;
duke@435 3991 stringStream st;
duke@435 3992 st.print("Method %s name or signature does not match",
hseigel@4278 3993 Method::name_and_sig_as_C_string(k(), name, signature));
duke@435 3994 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false);
duke@435 3995 }
duke@435 3996 if (!method->is_native()) {
duke@435 3997 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es)
duke@435 3998 method = find_prefixed_native(k, name, signature, THREAD);
duke@435 3999 if (method == NULL) {
duke@435 4000 ResourceMark rm;
duke@435 4001 stringStream st;
duke@435 4002 st.print("Method %s is not declared as native",
hseigel@4278 4003 Method::name_and_sig_as_C_string(k(), name, signature));
duke@435 4004 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false);
duke@435 4005 }
duke@435 4006 }
duke@435 4007
duke@435 4008 if (entry != NULL) {
duke@435 4009 method->set_native_function(entry,
coleenp@4037 4010 Method::native_bind_event_is_interesting);
duke@435 4011 } else {
duke@435 4012 method->clear_native_function();
duke@435 4013 }
duke@435 4014 if (PrintJNIResolving) {
duke@435 4015 ResourceMark rm(THREAD);
duke@435 4016 tty->print_cr("[Registering JNI native method %s.%s]",
coleenp@4251 4017 method->method_holder()->external_name(),
duke@435 4018 method->name()->as_C_string());
duke@435 4019 }
duke@435 4020 return true;
duke@435 4021 }
duke@435 4022
dcubed@3202 4023 #ifndef USDT2
duke@435 4024 DT_RETURN_MARK_DECL(RegisterNatives, jint);
dcubed@3202 4025 #else /* USDT2 */
dcubed@3202 4026 DT_RETURN_MARK_DECL(RegisterNatives, jint
dcubed@3202 4027 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref));
dcubed@3202 4028 #endif /* USDT2 */
duke@435 4029
duke@435 4030 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz,
duke@435 4031 const JNINativeMethod *methods,
duke@435 4032 jint nMethods))
duke@435 4033 JNIWrapper("RegisterNatives");
dcubed@3202 4034 #ifndef USDT2
duke@435 4035 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods);
dcubed@3202 4036 #else /* USDT2 */
dcubed@3202 4037 HOTSPOT_JNI_REGISTERNATIVES_ENTRY(
dcubed@3202 4038 env, clazz, (void *) methods, nMethods);
dcubed@3202 4039 #endif /* USDT2 */
duke@435 4040 jint ret = 0;
duke@435 4041 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret);
duke@435 4042
coleenp@4037 4043 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 4044
duke@435 4045 for (int index = 0; index < nMethods; index++) {
duke@435 4046 const char* meth_name = methods[index].name;
duke@435 4047 const char* meth_sig = methods[index].signature;
duke@435 4048 int meth_name_len = (int)strlen(meth_name);
duke@435 4049
duke@435 4050 // The class should have been loaded (we have an instance of the class
duke@435 4051 // passed in) so the method and signature should already be in the symbol
duke@435 4052 // table. If they're not there, the method doesn't exist.
coleenp@2497 4053 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len);
coleenp@2497 4054 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig));
coleenp@2497 4055
coleenp@2497 4056 if (name == NULL || signature == NULL) {
duke@435 4057 ResourceMark rm;
duke@435 4058 stringStream st;
hseigel@4278 4059 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig);
duke@435 4060 // Must return negative value on failure
duke@435 4061 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1);
duke@435 4062 }
duke@435 4063
duke@435 4064 bool res = register_native(h_k, name, signature,
duke@435 4065 (address) methods[index].fnPtr, THREAD);
duke@435 4066 if (!res) {
duke@435 4067 ret = -1;
duke@435 4068 break;
duke@435 4069 }
duke@435 4070 }
duke@435 4071 return ret;
duke@435 4072 JNI_END
duke@435 4073
duke@435 4074
duke@435 4075 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz))
duke@435 4076 JNIWrapper("UnregisterNatives");
dcubed@3202 4077 #ifndef USDT2
duke@435 4078 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz);
dcubed@3202 4079 #else /* USDT2 */
dcubed@3202 4080 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY(
dcubed@3202 4081 env, clazz);
dcubed@3202 4082 #endif /* USDT2 */
coleenp@4037 4083 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz));
duke@435 4084 //%note jni_2
hseigel@4278 4085 if (k->oop_is_instance()) {
coleenp@4037 4086 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) {
coleenp@4037 4087 Method* m = InstanceKlass::cast(k)->methods()->at(index);
duke@435 4088 if (m->is_native()) {
duke@435 4089 m->clear_native_function();
duke@435 4090 m->set_signature_handler(NULL);
duke@435 4091 }
duke@435 4092 }
duke@435 4093 }
dcubed@3202 4094 #ifndef USDT2
duke@435 4095 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0);
dcubed@3202 4096 #else /* USDT2 */
dcubed@3202 4097 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN(
dcubed@3202 4098 0);
dcubed@3202 4099 #endif /* USDT2 */
duke@435 4100 return 0;
duke@435 4101 JNI_END
duke@435 4102
duke@435 4103 //
duke@435 4104 // Monitor functions
duke@435 4105 //
duke@435 4106
dcubed@3202 4107 #ifndef USDT2
duke@435 4108 DT_RETURN_MARK_DECL(MonitorEnter, jint);
dcubed@3202 4109 #else /* USDT2 */
dcubed@3202 4110 DT_RETURN_MARK_DECL(MonitorEnter, jint
dcubed@3202 4111 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref));
dcubed@3202 4112 #endif /* USDT2 */
duke@435 4113
duke@435 4114 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj))
dcubed@3202 4115 #ifndef USDT2
duke@435 4116 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj);
dcubed@3202 4117 #else /* USDT2 */
dcubed@3202 4118 HOTSPOT_JNI_MONITORENTER_ENTRY(
dcubed@3202 4119 env, jobj);
dcubed@3202 4120 #endif /* USDT2 */
duke@435 4121 jint ret = JNI_ERR;
duke@435 4122 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret);
duke@435 4123
duke@435 4124 // If the object is null, we can't do anything with it
duke@435 4125 if (jobj == NULL) {
duke@435 4126 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR);
duke@435 4127 }
duke@435 4128
duke@435 4129 Handle obj(thread, JNIHandles::resolve_non_null(jobj));
duke@435 4130 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR));
duke@435 4131 ret = JNI_OK;
duke@435 4132 return ret;
duke@435 4133 JNI_END
duke@435 4134
dcubed@3202 4135 #ifndef USDT2
duke@435 4136 DT_RETURN_MARK_DECL(MonitorExit, jint);
dcubed@3202 4137 #else /* USDT2 */
dcubed@3202 4138 DT_RETURN_MARK_DECL(MonitorExit, jint
dcubed@3202 4139 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref));
dcubed@3202 4140 #endif /* USDT2 */
duke@435 4141
duke@435 4142 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj))
dcubed@3202 4143 #ifndef USDT2
duke@435 4144 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj);
dcubed@3202 4145 #else /* USDT2 */
dcubed@3202 4146 HOTSPOT_JNI_MONITOREXIT_ENTRY(
dcubed@3202 4147 env, jobj);
dcubed@3202 4148 #endif /* USDT2 */
duke@435 4149 jint ret = JNI_ERR;
duke@435 4150 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret);
duke@435 4151
duke@435 4152 // Don't do anything with a null object
duke@435 4153 if (jobj == NULL) {
duke@435 4154 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR);
duke@435 4155 }
duke@435 4156
duke@435 4157 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj));
duke@435 4158 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR));
duke@435 4159
duke@435 4160 ret = JNI_OK;
duke@435 4161 return ret;
duke@435 4162 JNI_END
duke@435 4163
duke@435 4164 //
duke@435 4165 // Extensions
duke@435 4166 //
duke@435 4167
dcubed@3202 4168 #ifndef USDT2
duke@435 4169 DT_VOID_RETURN_MARK_DECL(GetStringRegion);
dcubed@3202 4170 #else /* USDT2 */
dcubed@3202 4171 DT_VOID_RETURN_MARK_DECL(GetStringRegion
dcubed@3202 4172 , HOTSPOT_JNI_GETSTRINGREGION_RETURN());
dcubed@3202 4173 #endif /* USDT2 */
duke@435 4174
duke@435 4175 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf))
duke@435 4176 JNIWrapper("GetStringRegion");
dcubed@3202 4177 #ifndef USDT2
duke@435 4178 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf);
dcubed@3202 4179 #else /* USDT2 */
dcubed@3202 4180 HOTSPOT_JNI_GETSTRINGREGION_ENTRY(
dcubed@3202 4181 env, string, start, len, buf);
dcubed@3202 4182 #endif /* USDT2 */
duke@435 4183 DT_VOID_RETURN_MARK(GetStringRegion);
duke@435 4184 oop s = JNIHandles::resolve_non_null(string);
duke@435 4185 int s_len = java_lang_String::length(s);
duke@435 4186 if (start < 0 || len < 0 || start + len > s_len) {
duke@435 4187 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException());
duke@435 4188 } else {
duke@435 4189 if (len > 0) {
duke@435 4190 int s_offset = java_lang_String::offset(s);
duke@435 4191 typeArrayOop s_value = java_lang_String::value(s);
duke@435 4192 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len);
duke@435 4193 }
duke@435 4194 }
duke@435 4195 JNI_END
duke@435 4196
dcubed@3202 4197 #ifndef USDT2
duke@435 4198 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion);
dcubed@3202 4199 #else /* USDT2 */
dcubed@3202 4200 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion
dcubed@3202 4201 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN());
dcubed@3202 4202 #endif /* USDT2 */
duke@435 4203
duke@435 4204 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf))
duke@435 4205 JNIWrapper("GetStringUTFRegion");
dcubed@3202 4206 #ifndef USDT2
duke@435 4207 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf);
dcubed@3202 4208 #else /* USDT2 */
dcubed@3202 4209 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY(
dcubed@3202 4210 env, string, start, len, buf);
dcubed@3202 4211 #endif /* USDT2 */
duke@435 4212 DT_VOID_RETURN_MARK(GetStringUTFRegion);
duke@435 4213 oop s = JNIHandles::resolve_non_null(string);
duke@435 4214 int s_len = java_lang_String::length(s);
duke@435 4215 if (start < 0 || len < 0 || start + len > s_len) {
duke@435 4216 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException());
duke@435 4217 } else {
duke@435 4218 //%note jni_7
duke@435 4219 if (len > 0) {
duke@435 4220 ResourceMark rm(THREAD);
duke@435 4221 char *utf_region = java_lang_String::as_utf8_string(s, start, len);
duke@435 4222 int utf_len = (int)strlen(utf_region);
duke@435 4223 memcpy(buf, utf_region, utf_len);
duke@435 4224 buf[utf_len] = 0;
duke@435 4225 } else {
duke@435 4226 // JDK null-terminates the buffer even in len is zero
duke@435 4227 if (buf != NULL) {
duke@435 4228 buf[0] = 0;
duke@435 4229 }
duke@435 4230 }
duke@435 4231 }
duke@435 4232 JNI_END
duke@435 4233
duke@435 4234
duke@435 4235 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy))
duke@435 4236 JNIWrapper("GetPrimitiveArrayCritical");
dcubed@3202 4237 #ifndef USDT2
duke@435 4238 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy);
dcubed@3202 4239 #else /* USDT2 */
dcubed@3202 4240 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY(
dcubed@3202 4241 env, array, (uintptr_t *) isCopy);
dcubed@3202 4242 #endif /* USDT2 */
duke@435 4243 GC_locker::lock_critical(thread);
duke@435 4244 if (isCopy != NULL) {
duke@435 4245 *isCopy = JNI_FALSE;
duke@435 4246 }
duke@435 4247 oop a = JNIHandles::resolve_non_null(array);
duke@435 4248 assert(a->is_array(), "just checking");
duke@435 4249 BasicType type;
duke@435 4250 if (a->is_objArray()) {
duke@435 4251 type = T_OBJECT;
duke@435 4252 } else {
coleenp@4142 4253 type = TypeArrayKlass::cast(a->klass())->element_type();
duke@435 4254 }
duke@435 4255 void* ret = arrayOop(a)->base(type);
dcubed@3202 4256 #ifndef USDT2
duke@435 4257 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret);
dcubed@3202 4258 #else /* USDT2 */
dcubed@3202 4259 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN(
dcubed@3202 4260 ret);
dcubed@3202 4261 #endif /* USDT2 */
duke@435 4262 return ret;
duke@435 4263 JNI_END
duke@435 4264
duke@435 4265
duke@435 4266 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode))
duke@435 4267 JNIWrapper("ReleasePrimitiveArrayCritical");
dcubed@3202 4268 #ifndef USDT2
duke@435 4269 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode);
dcubed@3202 4270 #else /* USDT2 */
dcubed@3202 4271 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY(
dcubed@3202 4272 env, array, carray, mode);
dcubed@3202 4273 #endif /* USDT2 */
duke@435 4274 // The array, carray and mode arguments are ignored
duke@435 4275 GC_locker::unlock_critical(thread);
dcubed@3202 4276 #ifndef USDT2
duke@435 4277 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return);
dcubed@3202 4278 #else /* USDT2 */
dcubed@3202 4279 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN(
dcubed@3202 4280 );
dcubed@3202 4281 #endif /* USDT2 */
duke@435 4282 JNI_END
duke@435 4283
duke@435 4284
duke@435 4285 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy))
duke@435 4286 JNIWrapper("GetStringCritical");
dcubed@3202 4287 #ifndef USDT2
duke@435 4288 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy);
dcubed@3202 4289 #else /* USDT2 */
dcubed@3202 4290 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY(
dcubed@3202 4291 env, string, (uintptr_t *) isCopy);
dcubed@3202 4292 #endif /* USDT2 */
duke@435 4293 GC_locker::lock_critical(thread);
duke@435 4294 if (isCopy != NULL) {
duke@435 4295 *isCopy = JNI_FALSE;
duke@435 4296 }
duke@435 4297 oop s = JNIHandles::resolve_non_null(string);
duke@435 4298 int s_len = java_lang_String::length(s);
duke@435 4299 typeArrayOop s_value = java_lang_String::value(s);
duke@435 4300 int s_offset = java_lang_String::offset(s);
duke@435 4301 const jchar* ret;
duke@435 4302 if (s_len > 0) {
duke@435 4303 ret = s_value->char_at_addr(s_offset);
duke@435 4304 } else {
duke@435 4305 ret = (jchar*) s_value->base(T_CHAR);
duke@435 4306 }
dcubed@3202 4307 #ifndef USDT2
duke@435 4308 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret);
dcubed@3202 4309 #else /* USDT2 */
dcubed@3202 4310 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN(
dcubed@3202 4311 (uint16_t *) ret);
dcubed@3202 4312 #endif /* USDT2 */
duke@435 4313 return ret;
duke@435 4314 JNI_END
duke@435 4315
duke@435 4316
duke@435 4317 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars))
duke@435 4318 JNIWrapper("ReleaseStringCritical");
dcubed@3202 4319 #ifndef USDT2
duke@435 4320 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars);
dcubed@3202 4321 #else /* USDT2 */
dcubed@3202 4322 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY(
dcubed@3202 4323 env, str, (uint16_t *) chars);
dcubed@3202 4324 #endif /* USDT2 */
duke@435 4325 // The str and chars arguments are ignored
duke@435 4326 GC_locker::unlock_critical(thread);
dcubed@3202 4327 #ifndef USDT2
duke@435 4328 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return);
dcubed@3202 4329 #else /* USDT2 */
dcubed@3202 4330 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN(
dcubed@3202 4331 );
dcubed@3202 4332 #endif /* USDT2 */
duke@435 4333 JNI_END
duke@435 4334
duke@435 4335
duke@435 4336 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref))
duke@435 4337 JNIWrapper("jni_NewWeakGlobalRef");
dcubed@3202 4338 #ifndef USDT2
duke@435 4339 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref);
dcubed@3202 4340 #else /* USDT2 */
dcubed@3202 4341 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY(
dcubed@3202 4342 env, ref);
dcubed@3202 4343 #endif /* USDT2 */
duke@435 4344 Handle ref_handle(thread, JNIHandles::resolve(ref));
duke@435 4345 jweak ret = JNIHandles::make_weak_global(ref_handle);
dcubed@3202 4346 #ifndef USDT2
duke@435 4347 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret);
dcubed@3202 4348 #else /* USDT2 */
dcubed@3202 4349 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN(
dcubed@3202 4350 ret);
dcubed@3202 4351 #endif /* USDT2 */
duke@435 4352 return ret;
duke@435 4353 JNI_END
duke@435 4354
duke@435 4355 // Must be JNI_ENTRY (with HandleMark)
duke@435 4356 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref))
duke@435 4357 JNIWrapper("jni_DeleteWeakGlobalRef");
dcubed@3202 4358 #ifndef USDT2
duke@435 4359 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref);
dcubed@3202 4360 #else /* USDT2 */
dcubed@3202 4361 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY(
dcubed@3202 4362 env, ref);
dcubed@3202 4363 #endif /* USDT2 */
duke@435 4364 JNIHandles::destroy_weak_global(ref);
dcubed@3202 4365 #ifndef USDT2
duke@435 4366 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return);
dcubed@3202 4367 #else /* USDT2 */
dcubed@3202 4368 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN(
dcubed@3202 4369 );
dcubed@3202 4370 #endif /* USDT2 */
duke@435 4371 JNI_END
duke@435 4372
duke@435 4373
duke@435 4374 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env))
duke@435 4375 JNIWrapper("jni_ExceptionCheck");
dcubed@3202 4376 #ifndef USDT2
duke@435 4377 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env);
dcubed@3202 4378 #else /* USDT2 */
dcubed@3202 4379 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY(
dcubed@3202 4380 env);
dcubed@3202 4381 #endif /* USDT2 */
duke@435 4382 jni_check_async_exceptions(thread);
duke@435 4383 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE;
dcubed@3202 4384 #ifndef USDT2
duke@435 4385 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret);
dcubed@3202 4386 #else /* USDT2 */
dcubed@3202 4387 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN(
dcubed@3202 4388 ret);
dcubed@3202 4389 #endif /* USDT2 */
duke@435 4390 return ret;
duke@435 4391 JNI_END
duke@435 4392
duke@435 4393
duke@435 4394 // Initialization state for three routines below relating to
duke@435 4395 // java.nio.DirectBuffers
duke@435 4396 static jint directBufferSupportInitializeStarted = 0;
duke@435 4397 static volatile jint directBufferSupportInitializeEnded = 0;
duke@435 4398 static volatile jint directBufferSupportInitializeFailed = 0;
duke@435 4399 static jclass bufferClass = NULL;
duke@435 4400 static jclass directBufferClass = NULL;
duke@435 4401 static jclass directByteBufferClass = NULL;
duke@435 4402 static jmethodID directByteBufferConstructor = NULL;
duke@435 4403 static jfieldID directBufferAddressField = NULL;
duke@435 4404 static jfieldID bufferCapacityField = NULL;
duke@435 4405
duke@435 4406 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) {
duke@435 4407 Handle loader; // null (bootstrap) loader
duke@435 4408 Handle protection_domain; // null protection domain
duke@435 4409
coleenp@2497 4410 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL);
acorn@1092 4411 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL);
acorn@1092 4412
acorn@1092 4413 if (TraceClassResolution && result != NULL) {
coleenp@4037 4414 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result)));
acorn@1092 4415 }
acorn@1092 4416 return result;
duke@435 4417 }
duke@435 4418
duke@435 4419 // These lookups are done with the NULL (bootstrap) ClassLoader to
duke@435 4420 // circumvent any security checks that would be done by jni_FindClass.
duke@435 4421 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env))
duke@435 4422 {
duke@435 4423 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; }
duke@435 4424 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; }
duke@435 4425 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; }
duke@435 4426 return true;
duke@435 4427 }
duke@435 4428 JNI_END
duke@435 4429
duke@435 4430
duke@435 4431 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) {
duke@435 4432 if (directBufferSupportInitializeFailed) {
duke@435 4433 return false;
duke@435 4434 }
duke@435 4435
duke@435 4436 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) {
duke@435 4437 if (!lookupDirectBufferClasses(env)) {
duke@435 4438 directBufferSupportInitializeFailed = 1;
duke@435 4439 return false;
duke@435 4440 }
duke@435 4441
duke@435 4442 // Make global references for these
duke@435 4443 bufferClass = (jclass) env->NewGlobalRef(bufferClass);
duke@435 4444 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass);
duke@435 4445 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass);
duke@435 4446
duke@435 4447 // Get needed field and method IDs
duke@435 4448 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V");
ccheung@6346 4449 if (env->ExceptionCheck()) {
ccheung@6346 4450 env->ExceptionClear();
ccheung@6346 4451 directBufferSupportInitializeFailed = 1;
ccheung@6346 4452 return false;
ccheung@6346 4453 }
duke@435 4454 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J");
ccheung@6346 4455 if (env->ExceptionCheck()) {
ccheung@6346 4456 env->ExceptionClear();
ccheung@6346 4457 directBufferSupportInitializeFailed = 1;
ccheung@6346 4458 return false;
ccheung@6346 4459 }
duke@435 4460 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I");
ccheung@6346 4461 if (env->ExceptionCheck()) {
ccheung@6346 4462 env->ExceptionClear();
ccheung@6346 4463 directBufferSupportInitializeFailed = 1;
ccheung@6346 4464 return false;
ccheung@6346 4465 }
duke@435 4466
duke@435 4467 if ((directByteBufferConstructor == NULL) ||
duke@435 4468 (directBufferAddressField == NULL) ||
duke@435 4469 (bufferCapacityField == NULL)) {
duke@435 4470 directBufferSupportInitializeFailed = 1;
duke@435 4471 return false;
duke@435 4472 }
duke@435 4473
duke@435 4474 directBufferSupportInitializeEnded = 1;
duke@435 4475 } else {
duke@435 4476 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) {
xlu@956 4477 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls
xlu@956 4478 // os::sleep which requires the VM state transition. On other platforms, it
xlu@956 4479 // is not necessary. The following call to change the VM state is purposely
xlu@956 4480 // put inside the loop to avoid potential deadlock when multiple threads
xlu@956 4481 // try to call this method. See 6791815 for more details.
xlu@956 4482 ThreadInVMfromNative tivn(thread);
duke@435 4483 os::yield_all();
duke@435 4484 }
duke@435 4485 }
duke@435 4486
duke@435 4487 return !directBufferSupportInitializeFailed;
duke@435 4488 }
duke@435 4489
duke@435 4490 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity)
duke@435 4491 {
duke@435 4492 // thread_from_jni_environment() will block if VM is gone.
duke@435 4493 JavaThread* thread = JavaThread::thread_from_jni_environment(env);
duke@435 4494
duke@435 4495 JNIWrapper("jni_NewDirectByteBuffer");
dcubed@3202 4496 #ifndef USDT2
duke@435 4497 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity);
dcubed@3202 4498 #else /* USDT2 */
dcubed@3202 4499 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY(
dcubed@3202 4500 env, address, capacity);
dcubed@3202 4501 #endif /* USDT2 */
duke@435 4502
duke@435 4503 if (!directBufferSupportInitializeEnded) {
duke@435 4504 if (!initializeDirectBufferSupport(env, thread)) {
dcubed@3202 4505 #ifndef USDT2
duke@435 4506 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL);
dcubed@3202 4507 #else /* USDT2 */
dcubed@3202 4508 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(
dcubed@3202 4509 NULL);
dcubed@3202 4510 #endif /* USDT2 */
duke@435 4511 return NULL;
duke@435 4512 }
duke@435 4513 }
duke@435 4514
duke@435 4515 // Being paranoid about accidental sign extension on address
duke@435 4516 jlong addr = (jlong) ((uintptr_t) address);
duke@435 4517 // NOTE that package-private DirectByteBuffer constructor currently
duke@435 4518 // takes int capacity
duke@435 4519 jint cap = (jint) capacity;
duke@435 4520 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap);
dcubed@3202 4521 #ifndef USDT2
duke@435 4522 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret);
dcubed@3202 4523 #else /* USDT2 */
dcubed@3202 4524 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(
dcubed@3202 4525 ret);
dcubed@3202 4526 #endif /* USDT2 */
duke@435 4527 return ret;
duke@435 4528 }
duke@435 4529
dcubed@3202 4530 #ifndef USDT2
duke@435 4531 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*);
dcubed@3202 4532 #else /* USDT2 */
dcubed@3202 4533 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*
dcubed@3202 4534 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref));
dcubed@3202 4535 #endif /* USDT2 */
duke@435 4536
duke@435 4537 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf)
duke@435 4538 {
duke@435 4539 // thread_from_jni_environment() will block if VM is gone.
duke@435 4540 JavaThread* thread = JavaThread::thread_from_jni_environment(env);
duke@435 4541
duke@435 4542 JNIWrapper("jni_GetDirectBufferAddress");
dcubed@3202 4543 #ifndef USDT2
duke@435 4544 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf);
dcubed@3202 4545 #else /* USDT2 */
dcubed@3202 4546 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY(
dcubed@3202 4547 env, buf);
dcubed@3202 4548 #endif /* USDT2 */
duke@435 4549 void* ret = NULL;
duke@435 4550 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret);
duke@435 4551
duke@435 4552 if (!directBufferSupportInitializeEnded) {
duke@435 4553 if (!initializeDirectBufferSupport(env, thread)) {
duke@435 4554 return 0;
duke@435 4555 }
duke@435 4556 }
duke@435 4557
duke@435 4558 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) {
duke@435 4559 return 0;
duke@435 4560 }
duke@435 4561
duke@435 4562 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField);
duke@435 4563 return ret;
duke@435 4564 }
duke@435 4565
dcubed@3202 4566 #ifndef USDT2
duke@435 4567 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong);
dcubed@3202 4568 #else /* USDT2 */
dcubed@3202 4569 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong
dcubed@3202 4570 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref));
dcubed@3202 4571 #endif /* USDT2 */
duke@435 4572
duke@435 4573 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf)
duke@435 4574 {
duke@435 4575 // thread_from_jni_environment() will block if VM is gone.
duke@435 4576 JavaThread* thread = JavaThread::thread_from_jni_environment(env);
duke@435 4577
duke@435 4578 JNIWrapper("jni_GetDirectBufferCapacity");
dcubed@3202 4579 #ifndef USDT2
duke@435 4580 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf);
dcubed@3202 4581 #else /* USDT2 */
dcubed@3202 4582 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY(
dcubed@3202 4583 env, buf);
dcubed@3202 4584 #endif /* USDT2 */
duke@435 4585 jlong ret = -1;
duke@435 4586 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret);
duke@435 4587
duke@435 4588 if (!directBufferSupportInitializeEnded) {
duke@435 4589 if (!initializeDirectBufferSupport(env, thread)) {
duke@435 4590 ret = 0;
duke@435 4591 return ret;
duke@435 4592 }
duke@435 4593 }
duke@435 4594
duke@435 4595 if (buf == NULL) {
duke@435 4596 return -1;
duke@435 4597 }
duke@435 4598
duke@435 4599 if (!env->IsInstanceOf(buf, directBufferClass)) {
duke@435 4600 return -1;
duke@435 4601 }
duke@435 4602
duke@435 4603 // NOTE that capacity is currently an int in the implementation
duke@435 4604 ret = env->GetIntField(buf, bufferCapacityField);
duke@435 4605 return ret;
duke@435 4606 }
duke@435 4607
duke@435 4608
duke@435 4609 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env))
duke@435 4610 JNIWrapper("GetVersion");
dcubed@3202 4611 #ifndef USDT2
duke@435 4612 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env);
dcubed@3202 4613 #else /* USDT2 */
dcubed@3202 4614 HOTSPOT_JNI_GETVERSION_ENTRY(
dcubed@3202 4615 env);
dcubed@3202 4616 #endif /* USDT2 */
dcubed@3202 4617 #ifndef USDT2
duke@435 4618 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion);
dcubed@3202 4619 #else /* USDT2 */
dcubed@3202 4620 HOTSPOT_JNI_GETVERSION_RETURN(
dcubed@3202 4621 CurrentVersion);
dcubed@3202 4622 #endif /* USDT2 */
duke@435 4623 return CurrentVersion;
duke@435 4624 JNI_END
duke@435 4625
duke@435 4626 extern struct JavaVM_ main_vm;
duke@435 4627
duke@435 4628 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm))
duke@435 4629 JNIWrapper("jni_GetJavaVM");
dcubed@3202 4630 #ifndef USDT2
duke@435 4631 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm);
dcubed@3202 4632 #else /* USDT2 */
dcubed@3202 4633 HOTSPOT_JNI_GETJAVAVM_ENTRY(
dcubed@3202 4634 env, (void **) vm);
dcubed@3202 4635 #endif /* USDT2 */
duke@435 4636 *vm = (JavaVM *)(&main_vm);
dcubed@3202 4637 #ifndef USDT2
duke@435 4638 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK);
dcubed@3202 4639 #else /* USDT2 */
dcubed@3202 4640 HOTSPOT_JNI_GETJAVAVM_RETURN(
dcubed@3202 4641 JNI_OK);
dcubed@3202 4642 #endif /* USDT2 */
duke@435 4643 return JNI_OK;
duke@435 4644 JNI_END
duke@435 4645
duke@435 4646 // Structure containing all jni functions
duke@435 4647 struct JNINativeInterface_ jni_NativeInterface = {
duke@435 4648 NULL,
duke@435 4649 NULL,
duke@435 4650 NULL,
duke@435 4651
duke@435 4652 NULL,
duke@435 4653
duke@435 4654 jni_GetVersion,
duke@435 4655
duke@435 4656 jni_DefineClass,
duke@435 4657 jni_FindClass,
duke@435 4658
duke@435 4659 jni_FromReflectedMethod,
duke@435 4660 jni_FromReflectedField,
duke@435 4661
duke@435 4662 jni_ToReflectedMethod,
duke@435 4663
duke@435 4664 jni_GetSuperclass,
duke@435 4665 jni_IsAssignableFrom,
duke@435 4666
duke@435 4667 jni_ToReflectedField,
duke@435 4668
duke@435 4669 jni_Throw,
duke@435 4670 jni_ThrowNew,
duke@435 4671 jni_ExceptionOccurred,
duke@435 4672 jni_ExceptionDescribe,
duke@435 4673 jni_ExceptionClear,
duke@435 4674 jni_FatalError,
duke@435 4675
duke@435 4676 jni_PushLocalFrame,
duke@435 4677 jni_PopLocalFrame,
duke@435 4678
duke@435 4679 jni_NewGlobalRef,
duke@435 4680 jni_DeleteGlobalRef,
duke@435 4681 jni_DeleteLocalRef,
duke@435 4682 jni_IsSameObject,
duke@435 4683
duke@435 4684 jni_NewLocalRef,
duke@435 4685 jni_EnsureLocalCapacity,
duke@435 4686
duke@435 4687 jni_AllocObject,
duke@435 4688 jni_NewObject,
duke@435 4689 jni_NewObjectV,
duke@435 4690 jni_NewObjectA,
duke@435 4691
duke@435 4692 jni_GetObjectClass,
duke@435 4693 jni_IsInstanceOf,
duke@435 4694
duke@435 4695 jni_GetMethodID,
duke@435 4696
duke@435 4697 jni_CallObjectMethod,
duke@435 4698 jni_CallObjectMethodV,
duke@435 4699 jni_CallObjectMethodA,
duke@435 4700 jni_CallBooleanMethod,
duke@435 4701 jni_CallBooleanMethodV,
duke@435 4702 jni_CallBooleanMethodA,
duke@435 4703 jni_CallByteMethod,
duke@435 4704 jni_CallByteMethodV,
duke@435 4705 jni_CallByteMethodA,
duke@435 4706 jni_CallCharMethod,
duke@435 4707 jni_CallCharMethodV,
duke@435 4708 jni_CallCharMethodA,
duke@435 4709 jni_CallShortMethod,
duke@435 4710 jni_CallShortMethodV,
duke@435 4711 jni_CallShortMethodA,
duke@435 4712 jni_CallIntMethod,
duke@435 4713 jni_CallIntMethodV,
duke@435 4714 jni_CallIntMethodA,
duke@435 4715 jni_CallLongMethod,
duke@435 4716 jni_CallLongMethodV,
duke@435 4717 jni_CallLongMethodA,
duke@435 4718 jni_CallFloatMethod,
duke@435 4719 jni_CallFloatMethodV,
duke@435 4720 jni_CallFloatMethodA,
duke@435 4721 jni_CallDoubleMethod,
duke@435 4722 jni_CallDoubleMethodV,
duke@435 4723 jni_CallDoubleMethodA,
duke@435 4724 jni_CallVoidMethod,
duke@435 4725 jni_CallVoidMethodV,
duke@435 4726 jni_CallVoidMethodA,
duke@435 4727
duke@435 4728 jni_CallNonvirtualObjectMethod,
duke@435 4729 jni_CallNonvirtualObjectMethodV,
duke@435 4730 jni_CallNonvirtualObjectMethodA,
duke@435 4731 jni_CallNonvirtualBooleanMethod,
duke@435 4732 jni_CallNonvirtualBooleanMethodV,
duke@435 4733 jni_CallNonvirtualBooleanMethodA,
duke@435 4734 jni_CallNonvirtualByteMethod,
duke@435 4735 jni_CallNonvirtualByteMethodV,
duke@435 4736 jni_CallNonvirtualByteMethodA,
duke@435 4737 jni_CallNonvirtualCharMethod,
duke@435 4738 jni_CallNonvirtualCharMethodV,
duke@435 4739 jni_CallNonvirtualCharMethodA,
duke@435 4740 jni_CallNonvirtualShortMethod,
duke@435 4741 jni_CallNonvirtualShortMethodV,
duke@435 4742 jni_CallNonvirtualShortMethodA,
duke@435 4743 jni_CallNonvirtualIntMethod,
duke@435 4744 jni_CallNonvirtualIntMethodV,
duke@435 4745 jni_CallNonvirtualIntMethodA,
duke@435 4746 jni_CallNonvirtualLongMethod,
duke@435 4747 jni_CallNonvirtualLongMethodV,
duke@435 4748 jni_CallNonvirtualLongMethodA,
duke@435 4749 jni_CallNonvirtualFloatMethod,
duke@435 4750 jni_CallNonvirtualFloatMethodV,
duke@435 4751 jni_CallNonvirtualFloatMethodA,
duke@435 4752 jni_CallNonvirtualDoubleMethod,
duke@435 4753 jni_CallNonvirtualDoubleMethodV,
duke@435 4754 jni_CallNonvirtualDoubleMethodA,
duke@435 4755 jni_CallNonvirtualVoidMethod,
duke@435 4756 jni_CallNonvirtualVoidMethodV,
duke@435 4757 jni_CallNonvirtualVoidMethodA,
duke@435 4758
duke@435 4759 jni_GetFieldID,
duke@435 4760
duke@435 4761 jni_GetObjectField,
duke@435 4762 jni_GetBooleanField,
duke@435 4763 jni_GetByteField,
duke@435 4764 jni_GetCharField,
duke@435 4765 jni_GetShortField,
duke@435 4766 jni_GetIntField,
duke@435 4767 jni_GetLongField,
duke@435 4768 jni_GetFloatField,
duke@435 4769 jni_GetDoubleField,
duke@435 4770
duke@435 4771 jni_SetObjectField,
duke@435 4772 jni_SetBooleanField,
duke@435 4773 jni_SetByteField,
duke@435 4774 jni_SetCharField,
duke@435 4775 jni_SetShortField,
duke@435 4776 jni_SetIntField,
duke@435 4777 jni_SetLongField,
duke@435 4778 jni_SetFloatField,
duke@435 4779 jni_SetDoubleField,
duke@435 4780
duke@435 4781 jni_GetStaticMethodID,
duke@435 4782
duke@435 4783 jni_CallStaticObjectMethod,
duke@435 4784 jni_CallStaticObjectMethodV,
duke@435 4785 jni_CallStaticObjectMethodA,
duke@435 4786 jni_CallStaticBooleanMethod,
duke@435 4787 jni_CallStaticBooleanMethodV,
duke@435 4788 jni_CallStaticBooleanMethodA,
duke@435 4789 jni_CallStaticByteMethod,
duke@435 4790 jni_CallStaticByteMethodV,
duke@435 4791 jni_CallStaticByteMethodA,
duke@435 4792 jni_CallStaticCharMethod,
duke@435 4793 jni_CallStaticCharMethodV,
duke@435 4794 jni_CallStaticCharMethodA,
duke@435 4795 jni_CallStaticShortMethod,
duke@435 4796 jni_CallStaticShortMethodV,
duke@435 4797 jni_CallStaticShortMethodA,
duke@435 4798 jni_CallStaticIntMethod,
duke@435 4799 jni_CallStaticIntMethodV,
duke@435 4800 jni_CallStaticIntMethodA,
duke@435 4801 jni_CallStaticLongMethod,
duke@435 4802 jni_CallStaticLongMethodV,
duke@435 4803 jni_CallStaticLongMethodA,
duke@435 4804 jni_CallStaticFloatMethod,
duke@435 4805 jni_CallStaticFloatMethodV,
duke@435 4806 jni_CallStaticFloatMethodA,
duke@435 4807 jni_CallStaticDoubleMethod,
duke@435 4808 jni_CallStaticDoubleMethodV,
duke@435 4809 jni_CallStaticDoubleMethodA,
duke@435 4810 jni_CallStaticVoidMethod,
duke@435 4811 jni_CallStaticVoidMethodV,
duke@435 4812 jni_CallStaticVoidMethodA,
duke@435 4813
duke@435 4814 jni_GetStaticFieldID,
duke@435 4815
duke@435 4816 jni_GetStaticObjectField,
duke@435 4817 jni_GetStaticBooleanField,
duke@435 4818 jni_GetStaticByteField,
duke@435 4819 jni_GetStaticCharField,
duke@435 4820 jni_GetStaticShortField,
duke@435 4821 jni_GetStaticIntField,
duke@435 4822 jni_GetStaticLongField,
duke@435 4823 jni_GetStaticFloatField,
duke@435 4824 jni_GetStaticDoubleField,
duke@435 4825
duke@435 4826 jni_SetStaticObjectField,
duke@435 4827 jni_SetStaticBooleanField,
duke@435 4828 jni_SetStaticByteField,
duke@435 4829 jni_SetStaticCharField,
duke@435 4830 jni_SetStaticShortField,
duke@435 4831 jni_SetStaticIntField,
duke@435 4832 jni_SetStaticLongField,
duke@435 4833 jni_SetStaticFloatField,
duke@435 4834 jni_SetStaticDoubleField,
duke@435 4835
duke@435 4836 jni_NewString,
duke@435 4837 jni_GetStringLength,
duke@435 4838 jni_GetStringChars,
duke@435 4839 jni_ReleaseStringChars,
duke@435 4840
duke@435 4841 jni_NewStringUTF,
duke@435 4842 jni_GetStringUTFLength,
duke@435 4843 jni_GetStringUTFChars,
duke@435 4844 jni_ReleaseStringUTFChars,
duke@435 4845
duke@435 4846 jni_GetArrayLength,
duke@435 4847
duke@435 4848 jni_NewObjectArray,
duke@435 4849 jni_GetObjectArrayElement,
duke@435 4850 jni_SetObjectArrayElement,
duke@435 4851
duke@435 4852 jni_NewBooleanArray,
duke@435 4853 jni_NewByteArray,
duke@435 4854 jni_NewCharArray,
duke@435 4855 jni_NewShortArray,
duke@435 4856 jni_NewIntArray,
duke@435 4857 jni_NewLongArray,
duke@435 4858 jni_NewFloatArray,
duke@435 4859 jni_NewDoubleArray,
duke@435 4860
duke@435 4861 jni_GetBooleanArrayElements,
duke@435 4862 jni_GetByteArrayElements,
duke@435 4863 jni_GetCharArrayElements,
duke@435 4864 jni_GetShortArrayElements,
duke@435 4865 jni_GetIntArrayElements,
duke@435 4866 jni_GetLongArrayElements,
duke@435 4867 jni_GetFloatArrayElements,
duke@435 4868 jni_GetDoubleArrayElements,
duke@435 4869
duke@435 4870 jni_ReleaseBooleanArrayElements,
duke@435 4871 jni_ReleaseByteArrayElements,
duke@435 4872 jni_ReleaseCharArrayElements,
duke@435 4873 jni_ReleaseShortArrayElements,
duke@435 4874 jni_ReleaseIntArrayElements,
duke@435 4875 jni_ReleaseLongArrayElements,
duke@435 4876 jni_ReleaseFloatArrayElements,
duke@435 4877 jni_ReleaseDoubleArrayElements,
duke@435 4878
duke@435 4879 jni_GetBooleanArrayRegion,
duke@435 4880 jni_GetByteArrayRegion,
duke@435 4881 jni_GetCharArrayRegion,
duke@435 4882 jni_GetShortArrayRegion,
duke@435 4883 jni_GetIntArrayRegion,
duke@435 4884 jni_GetLongArrayRegion,
duke@435 4885 jni_GetFloatArrayRegion,
duke@435 4886 jni_GetDoubleArrayRegion,
duke@435 4887
duke@435 4888 jni_SetBooleanArrayRegion,
duke@435 4889 jni_SetByteArrayRegion,
duke@435 4890 jni_SetCharArrayRegion,
duke@435 4891 jni_SetShortArrayRegion,
duke@435 4892 jni_SetIntArrayRegion,
duke@435 4893 jni_SetLongArrayRegion,
duke@435 4894 jni_SetFloatArrayRegion,
duke@435 4895 jni_SetDoubleArrayRegion,
duke@435 4896
duke@435 4897 jni_RegisterNatives,
duke@435 4898 jni_UnregisterNatives,
duke@435 4899
duke@435 4900 jni_MonitorEnter,
duke@435 4901 jni_MonitorExit,
duke@435 4902
duke@435 4903 jni_GetJavaVM,
duke@435 4904
duke@435 4905 jni_GetStringRegion,
duke@435 4906 jni_GetStringUTFRegion,
duke@435 4907
duke@435 4908 jni_GetPrimitiveArrayCritical,
duke@435 4909 jni_ReleasePrimitiveArrayCritical,
duke@435 4910
duke@435 4911 jni_GetStringCritical,
duke@435 4912 jni_ReleaseStringCritical,
duke@435 4913
duke@435 4914 jni_NewWeakGlobalRef,
duke@435 4915 jni_DeleteWeakGlobalRef,
duke@435 4916
duke@435 4917 jni_ExceptionCheck,
duke@435 4918
duke@435 4919 jni_NewDirectByteBuffer,
duke@435 4920 jni_GetDirectBufferAddress,
duke@435 4921 jni_GetDirectBufferCapacity,
duke@435 4922
duke@435 4923 // New 1_6 features
duke@435 4924
duke@435 4925 jni_GetObjectRefType
duke@435 4926 };
duke@435 4927
duke@435 4928
duke@435 4929 // For jvmti use to modify jni function table.
duke@435 4930 // Java threads in native contiues to run until it is transitioned
duke@435 4931 // to VM at safepoint. Before the transition or before it is blocked
duke@435 4932 // for safepoint it may access jni function table. VM could crash if
duke@435 4933 // any java thread access the jni function table in the middle of memcpy.
duke@435 4934 // To avoid this each function pointers are copied automically.
duke@435 4935 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) {
duke@435 4936 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint");
duke@435 4937 intptr_t *a = (intptr_t *) jni_functions();
duke@435 4938 intptr_t *b = (intptr_t *) new_jni_NativeInterface;
duke@435 4939 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) {
duke@435 4940 Atomic::store_ptr(*b++, a++);
duke@435 4941 }
duke@435 4942 }
duke@435 4943
duke@435 4944 void quicken_jni_functions() {
duke@435 4945 // Replace Get<Primitive>Field with fast versions
duke@435 4946 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access()
duke@435 4947 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls
duke@435 4948 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2)
duke@435 4949 // windows x86 currently needs SEH wrapper and the gain of the fast
duke@435 4950 // versions currently isn't certain for server vm on uniprocessor.
duke@435 4951 && os::is_MP()
duke@435 4952 #endif
duke@435 4953 ) {
duke@435 4954 address func;
duke@435 4955 func = JNI_FastGetField::generate_fast_get_boolean_field();
duke@435 4956 if (func != (address)-1) {
duke@435 4957 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func;
duke@435 4958 }
duke@435 4959 func = JNI_FastGetField::generate_fast_get_byte_field();
duke@435 4960 if (func != (address)-1) {
duke@435 4961 jni_NativeInterface.GetByteField = (GetByteField_t)func;
duke@435 4962 }
duke@435 4963 func = JNI_FastGetField::generate_fast_get_char_field();
duke@435 4964 if (func != (address)-1) {
duke@435 4965 jni_NativeInterface.GetCharField = (GetCharField_t)func;
duke@435 4966 }
duke@435 4967 func = JNI_FastGetField::generate_fast_get_short_field();
duke@435 4968 if (func != (address)-1) {
duke@435 4969 jni_NativeInterface.GetShortField = (GetShortField_t)func;
duke@435 4970 }
duke@435 4971 func = JNI_FastGetField::generate_fast_get_int_field();
duke@435 4972 if (func != (address)-1) {
duke@435 4973 jni_NativeInterface.GetIntField = (GetIntField_t)func;
duke@435 4974 }
duke@435 4975 func = JNI_FastGetField::generate_fast_get_long_field();
duke@435 4976 if (func != (address)-1) {
duke@435 4977 jni_NativeInterface.GetLongField = (GetLongField_t)func;
duke@435 4978 }
duke@435 4979 func = JNI_FastGetField::generate_fast_get_float_field();
duke@435 4980 if (func != (address)-1) {
duke@435 4981 jni_NativeInterface.GetFloatField = (GetFloatField_t)func;
duke@435 4982 }
duke@435 4983 func = JNI_FastGetField::generate_fast_get_double_field();
duke@435 4984 if (func != (address)-1) {
duke@435 4985 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func;
duke@435 4986 }
duke@435 4987 }
duke@435 4988 }
duke@435 4989
duke@435 4990 // Returns the function structure
duke@435 4991 struct JNINativeInterface_* jni_functions() {
jprovino@4165 4992 #if INCLUDE_JNI_CHECK
duke@435 4993 if (CheckJNICalls) return jni_functions_check();
jprovino@4165 4994 #endif // INCLUDE_JNI_CHECK
duke@435 4995 return &jni_NativeInterface;
duke@435 4996 }
duke@435 4997
duke@435 4998 // Returns the function structure
duke@435 4999 struct JNINativeInterface_* jni_functions_nocheck() {
duke@435 5000 return &jni_NativeInterface;
duke@435 5001 }
duke@435 5002
duke@435 5003
duke@435 5004 // Invocation API
duke@435 5005
duke@435 5006
duke@435 5007 // Forward declaration
duke@435 5008 extern const struct JNIInvokeInterface_ jni_InvokeInterface;
duke@435 5009
duke@435 5010 // Global invocation API vars
duke@435 5011 volatile jint vm_created = 0;
duke@435 5012 // Indicate whether it is safe to recreate VM
duke@435 5013 volatile jint safe_to_recreate_vm = 1;
duke@435 5014 struct JavaVM_ main_vm = {&jni_InvokeInterface};
duke@435 5015
duke@435 5016
duke@435 5017 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */
duke@435 5018 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL };
duke@435 5019
dcubed@3202 5020 #ifndef USDT2
duke@435 5021 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*);
duke@435 5022 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint);
dcubed@3202 5023 #else /* USDT2 */
dcubed@3202 5024 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint
dcubed@3202 5025 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref));
dcubed@3202 5026 #endif /* USDT2 */
duke@435 5027
duke@435 5028 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) {
dcubed@3202 5029 #ifndef USDT2
duke@435 5030 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_);
dcubed@3202 5031 #else /* USDT2 */
dcubed@3202 5032 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY(
dcubed@3202 5033 args_);
dcubed@3202 5034 #endif /* USDT2 */
duke@435 5035 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_;
duke@435 5036 jint ret = JNI_ERR;
duke@435 5037 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret);
duke@435 5038
duke@435 5039 if (Threads::is_supported_jni_version(args->version)) {
duke@435 5040 ret = JNI_OK;
duke@435 5041 }
duke@435 5042 // 1.1 style no longer supported in hotspot.
duke@435 5043 // According the JNI spec, we should update args->version on return.
duke@435 5044 // We also use the structure to communicate with launcher about default
duke@435 5045 // stack size.
duke@435 5046 if (args->version == JNI_VERSION_1_1) {
duke@435 5047 args->version = JNI_VERSION_1_2;
duke@435 5048 // javaStackSize is int in arguments structure
duke@435 5049 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow");
duke@435 5050 args->javaStackSize = (jint)(ThreadStackSize * K);
duke@435 5051 }
duke@435 5052 return ret;
duke@435 5053 }
duke@435 5054
brutisso@2976 5055 #ifndef PRODUCT
brutisso@2976 5056
sla@5237 5057 #include "gc_implementation/shared/gcTimer.hpp"
stefank@3335 5058 #include "gc_interface/collectedHeap.hpp"
tschatzl@5165 5059 #if INCLUDE_ALL_GCS
tschatzl@5165 5060 #include "gc_implementation/g1/heapRegionRemSet.hpp"
tschatzl@5165 5061 #endif
dsimms@7032 5062 #include "memory/guardedMemory.hpp"
brutisso@2976 5063 #include "utilities/quickSort.hpp"
minqi@5683 5064 #include "utilities/ostream.hpp"
mikael@4290 5065 #if INCLUDE_VM_STRUCTS
mikael@4290 5066 #include "runtime/vmStructs.hpp"
mikael@4290 5067 #endif
brutisso@2976 5068
stefank@3335 5069 #define run_unit_test(unit_test_function_call) \
stefank@3335 5070 tty->print_cr("Running test: " #unit_test_function_call); \
stefank@3335 5071 unit_test_function_call
stefank@3335 5072
stefank@5578 5073 // Forward declaration
stefank@5578 5074 void TestReservedSpace_test();
stefank@5578 5075 void TestReserveMemorySpecial_test();
stefank@5704 5076 void TestVirtualSpace_test();
brutisso@5774 5077 void TestMetaspaceAux_test();
stefank@5941 5078 void TestMetachunk_test();
mgerdin@6004 5079 void TestVirtualSpaceNode_test();
sjohanss@6641 5080 void TestNewSize_test();
stefank@6976 5081 void TestKlass_test();
zgu@7074 5082 void Test_linked_list();
jwilhelm@6336 5083 #if INCLUDE_ALL_GCS
jwilhelm@6267 5084 void TestOldFreeSpaceCalculation_test();
tschatzl@5773 5085 void TestG1BiasedArray_test();
stefank@6969 5086 void TestBufferingOopClosure_test();
tschatzl@6402 5087 void TestCodeCacheRemSet_test();
tschatzl@7051 5088 void FreeRegionList_test();
tschatzl@5773 5089 #endif
stefank@5578 5090
brutisso@2976 5091 void execute_internal_vm_tests() {
brutisso@2976 5092 if (ExecuteInternalVMTests) {
stefank@3335 5093 tty->print_cr("Running internal VM tests");
stefank@5578 5094 run_unit_test(TestReservedSpace_test());
stefank@5578 5095 run_unit_test(TestReserveMemorySpecial_test());
stefank@5704 5096 run_unit_test(TestVirtualSpace_test());
brutisso@5774 5097 run_unit_test(TestMetaspaceAux_test());
stefank@5941 5098 run_unit_test(TestMetachunk_test());
mgerdin@6004 5099 run_unit_test(TestVirtualSpaceNode_test());
mikael@4889 5100 run_unit_test(GlobalDefinitions::test_globals());
sla@5237 5101 run_unit_test(GCTimerAllTest::all());
stefank@3335 5102 run_unit_test(arrayOopDesc::test_max_array_length());
stefank@3335 5103 run_unit_test(CollectedHeap::test_is_in());
stefank@3335 5104 run_unit_test(QuickSort::test_quick_sort());
dsimms@7032 5105 run_unit_test(GuardedMemory::test_guarded_memory());
coleenp@3865 5106 run_unit_test(AltHashing::test_alt_hash());
minqi@5683 5107 run_unit_test(test_loggc_filename());
sjohanss@6641 5108 run_unit_test(TestNewSize_test());
stefank@6976 5109 run_unit_test(TestKlass_test());
zgu@7074 5110 run_unit_test(Test_linked_list());
mikael@4290 5111 #if INCLUDE_VM_STRUCTS
mikael@4290 5112 run_unit_test(VMStructs::test());
mikael@4290 5113 #endif
tschatzl@5165 5114 #if INCLUDE_ALL_GCS
jwilhelm@6336 5115 run_unit_test(TestOldFreeSpaceCalculation_test());
tschatzl@5773 5116 run_unit_test(TestG1BiasedArray_test());
tschatzl@5165 5117 run_unit_test(HeapRegionRemSet::test_prt());
stefank@6969 5118 run_unit_test(TestBufferingOopClosure_test());
tschatzl@6402 5119 run_unit_test(TestCodeCacheRemSet_test());
tschatzl@7051 5120 if (UseG1GC) {
tschatzl@7051 5121 run_unit_test(FreeRegionList_test());
tschatzl@7051 5122 }
tschatzl@5165 5123 #endif
brutisso@3266 5124 tty->print_cr("All internal VM tests passed");
brutisso@2976 5125 }
brutisso@2976 5126 }
brutisso@2976 5127
stefank@3335 5128 #undef run_unit_test
stefank@3335 5129
brutisso@2976 5130 #endif
brutisso@2976 5131
dcubed@3202 5132 #ifndef USDT2
duke@435 5133 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args);
duke@435 5134 DT_RETURN_MARK_DECL(CreateJavaVM, jint);
dcubed@3202 5135 #else /* USDT2 */
dcubed@3202 5136 DT_RETURN_MARK_DECL(CreateJavaVM, jint
dcubed@3202 5137 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref));
dcubed@3202 5138 #endif /* USDT2 */
duke@435 5139
duke@435 5140 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) {
dcubed@3202 5141 #ifndef USDT2
duke@435 5142 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args);
dcubed@3202 5143 #else /* USDT2 */
dcubed@3202 5144 HOTSPOT_JNI_CREATEJAVAVM_ENTRY(
dcubed@3202 5145 (void **) vm, penv, args);
dcubed@3202 5146 #endif /* USDT2 */
duke@435 5147
duke@435 5148 jint result = JNI_ERR;
duke@435 5149 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result);
duke@435 5150
twisti@1513 5151 // We're about to use Atomic::xchg for synchronization. Some Zero
twisti@1513 5152 // platforms use the GCC builtin __sync_lock_test_and_set for this,
twisti@1513 5153 // but __sync_lock_test_and_set is not guaranteed to do what we want
twisti@1513 5154 // on all architectures. So we check it works before relying on it.
twisti@1513 5155 #if defined(ZERO) && defined(ASSERT)
twisti@1513 5156 {
twisti@1513 5157 jint a = 0xcafebabe;
twisti@1513 5158 jint b = Atomic::xchg(0xdeadbeef, &a);
twisti@1513 5159 void *c = &a;
twisti@1513 5160 void *d = Atomic::xchg_ptr(&b, &c);
twisti@1567 5161 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works");
twisti@1513 5162 assert(c == &b && d == &a, "Atomic::xchg_ptr() works");
twisti@1513 5163 }
twisti@1513 5164 #endif // ZERO && ASSERT
twisti@1513 5165
duke@435 5166 // At the moment it's only possible to have one Java VM,
duke@435 5167 // since some of the runtime state is in global variables.
duke@435 5168
duke@435 5169 // We cannot use our mutex locks here, since they only work on
duke@435 5170 // Threads. We do an atomic compare and exchange to ensure only
duke@435 5171 // one thread can call this method at a time
duke@435 5172
duke@435 5173 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms
duke@435 5174 // the add/dec implementations are dependent on whether we are running
duke@435 5175 // on a multiprocessor, and at this stage of initialization the os::is_MP
duke@435 5176 // function used to determine this will always return false. Atomic::xchg
duke@435 5177 // does not have this problem.
duke@435 5178 if (Atomic::xchg(1, &vm_created) == 1) {
coleenp@5362 5179 return JNI_EEXIST; // already created, or create attempt in progress
duke@435 5180 }
duke@435 5181 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) {
duke@435 5182 return JNI_ERR; // someone tried and failed and retry not allowed.
duke@435 5183 }
duke@435 5184
duke@435 5185 assert(vm_created == 1, "vm_created is true during the creation");
duke@435 5186
duke@435 5187 /**
duke@435 5188 * Certain errors during initialization are recoverable and do not
duke@435 5189 * prevent this method from being called again at a later time
duke@435 5190 * (perhaps with different arguments). However, at a certain
duke@435 5191 * point during initialization if an error occurs we cannot allow
duke@435 5192 * this function to be called again (or it will crash). In those
duke@435 5193 * situations, the 'canTryAgain' flag is set to false, which atomically
duke@435 5194 * sets safe_to_recreate_vm to 1, such that any new call to
duke@435 5195 * JNI_CreateJavaVM will immediately fail using the above logic.
duke@435 5196 */
duke@435 5197 bool can_try_again = true;
duke@435 5198
duke@435 5199 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again);
duke@435 5200 if (result == JNI_OK) {
duke@435 5201 JavaThread *thread = JavaThread::current();
duke@435 5202 /* thread is thread_in_vm here */
duke@435 5203 *vm = (JavaVM *)(&main_vm);
duke@435 5204 *(JNIEnv**)penv = thread->jni_environment();
duke@435 5205
duke@435 5206 // Tracks the time application was running before GC
duke@435 5207 RuntimeService::record_application_start();
duke@435 5208
duke@435 5209 // Notify JVMTI
duke@435 5210 if (JvmtiExport::should_post_thread_life()) {
duke@435 5211 JvmtiExport::post_thread_start(thread);
duke@435 5212 }
phh@3427 5213
sla@5237 5214 EventThreadStart event;
sla@5237 5215 if (event.should_commit()) {
sla@5237 5216 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj()));
sla@5237 5217 event.commit();
sla@5237 5218 }
phh@3427 5219
dcubed@5365 5220 #ifndef PRODUCT
kvn@6537 5221 #ifndef CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED
dcubed@5365 5222 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f()
dcubed@5365 5223 #endif
dcubed@5365 5224
duke@435 5225 // Check if we should compile all classes on bootclasspath
dcubed@5365 5226 if (CompileTheWorld) ClassLoader::compile_the_world();
dcubed@5365 5227 if (ReplayCompiles) ciReplay::replay(thread);
dcubed@5365 5228
dcubed@5365 5229 // Some platforms (like Win*) need a wrapper around these test
dcubed@5365 5230 // functions in order to properly handle error conditions.
dcubed@5365 5231 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler);
dcubed@5365 5232 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests);
dcubed@5365 5233 #endif
dcubed@5365 5234
duke@435 5235 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving.
duke@435 5236 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
duke@435 5237 } else {
duke@435 5238 if (can_try_again) {
duke@435 5239 // reset safe_to_recreate_vm to 1 so that retrial would be possible
duke@435 5240 safe_to_recreate_vm = 1;
duke@435 5241 }
duke@435 5242
duke@435 5243 // Creation failed. We must reset vm_created
duke@435 5244 *vm = 0;
duke@435 5245 *(JNIEnv**)penv = 0;
duke@435 5246 // reset vm_created last to avoid race condition. Use OrderAccess to
duke@435 5247 // control both compiler and architectural-based reordering.
duke@435 5248 OrderAccess::release_store(&vm_created, 0);
duke@435 5249 }
duke@435 5250
duke@435 5251 return result;
duke@435 5252 }
duke@435 5253
dcubed@3202 5254 #ifndef USDT2
duke@435 5255 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \
duke@435 5256 JavaVM**, jsize, jsize*);
duke@435 5257 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint);
dcubed@3202 5258 #endif /* !USDT2 */
duke@435 5259
duke@435 5260 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) {
duke@435 5261 // See bug 4367188, the wrapper can sometimes cause VM crashes
duke@435 5262 // JNIWrapper("GetCreatedJavaVMs");
dcubed@3202 5263 #ifndef USDT2
duke@435 5264 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \
duke@435 5265 vm_buf, bufLen, numVMs);
dcubed@3202 5266 #else /* USDT2 */
dcubed@3202 5267 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY(
dcubed@3202 5268 (void **) vm_buf, bufLen, (uintptr_t *) numVMs);
dcubed@3202 5269 #endif /* USDT2 */
duke@435 5270 if (vm_created) {
duke@435 5271 if (numVMs != NULL) *numVMs = 1;
duke@435 5272 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm);
duke@435 5273 } else {
duke@435 5274 if (numVMs != NULL) *numVMs = 0;
duke@435 5275 }
dcubed@3202 5276 #ifndef USDT2
duke@435 5277 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK);
dcubed@3202 5278 #else /* USDT2 */
dcubed@3202 5279 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN(
dcubed@3202 5280 JNI_OK);
dcubed@3202 5281 #endif /* USDT2 */
duke@435 5282 return JNI_OK;
duke@435 5283 }
duke@435 5284
duke@435 5285 extern "C" {
duke@435 5286
dcubed@3202 5287 #ifndef USDT2
duke@435 5288 DT_RETURN_MARK_DECL(DestroyJavaVM, jint);
dcubed@3202 5289 #else /* USDT2 */
dcubed@3202 5290 DT_RETURN_MARK_DECL(DestroyJavaVM, jint
dcubed@3202 5291 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref));
dcubed@3202 5292 #endif /* USDT2 */
duke@435 5293
duke@435 5294 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) {
dcubed@3202 5295 #ifndef USDT2
duke@435 5296 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm);
dcubed@3202 5297 #else /* USDT2 */
dcubed@3202 5298 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY(
dcubed@3202 5299 vm);
dcubed@3202 5300 #endif /* USDT2 */
duke@435 5301 jint res = JNI_ERR;
duke@435 5302 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res);
duke@435 5303
duke@435 5304 if (!vm_created) {
duke@435 5305 res = JNI_ERR;
duke@435 5306 return res;
duke@435 5307 }
duke@435 5308
duke@435 5309 JNIWrapper("DestroyJavaVM");
duke@435 5310 JNIEnv *env;
duke@435 5311 JavaVMAttachArgs destroyargs;
duke@435 5312 destroyargs.version = CurrentVersion;
duke@435 5313 destroyargs.name = (char *)"DestroyJavaVM";
duke@435 5314 destroyargs.group = NULL;
duke@435 5315 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs);
duke@435 5316 if (res != JNI_OK) {
duke@435 5317 return res;
duke@435 5318 }
duke@435 5319
duke@435 5320 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering.
duke@435 5321 JavaThread* thread = JavaThread::current();
duke@435 5322 ThreadStateTransition::transition_from_native(thread, _thread_in_vm);
duke@435 5323 if (Threads::destroy_vm()) {
duke@435 5324 // Should not change thread state, VM is gone
duke@435 5325 vm_created = false;
duke@435 5326 res = JNI_OK;
duke@435 5327 return res;
duke@435 5328 } else {
duke@435 5329 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
duke@435 5330 res = JNI_ERR;
duke@435 5331 return res;
duke@435 5332 }
duke@435 5333 }
duke@435 5334
duke@435 5335
duke@435 5336 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) {
duke@435 5337 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args;
duke@435 5338
duke@435 5339 // Check below commented out from JDK1.2fcs as well
duke@435 5340 /*
duke@435 5341 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) {
duke@435 5342 return JNI_EVERSION;
duke@435 5343 }
duke@435 5344 */
duke@435 5345
duke@435 5346 Thread* t = ThreadLocalStorage::get_thread_slow();
duke@435 5347 if (t != NULL) {
duke@435 5348 // If the thread has been attached this operation is a no-op
duke@435 5349 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment();
duke@435 5350 return JNI_OK;
duke@435 5351 }
duke@435 5352
duke@435 5353 // Create a thread and mark it as attaching so it will be skipped by the
duke@435 5354 // ThreadsListEnumerator - see CR 6404306
duke@435 5355 JavaThread* thread = new JavaThread(true);
duke@435 5356
duke@435 5357 // Set correct safepoint info. The thread is going to call into Java when
duke@435 5358 // initializing the Java level thread object. Hence, the correct state must
duke@435 5359 // be set in order for the Safepoint code to deal with it correctly.
duke@435 5360 thread->set_thread_state(_thread_in_vm);
duke@435 5361 // Must do this before initialize_thread_local_storage
duke@435 5362 thread->record_stack_base_and_size();
coleenp@1725 5363
duke@435 5364 thread->initialize_thread_local_storage();
duke@435 5365
duke@435 5366 if (!os::create_attached_thread(thread)) {
duke@435 5367 delete thread;
duke@435 5368 return JNI_ERR;
duke@435 5369 }
coleenp@1725 5370 // Enable stack overflow checks
coleenp@1725 5371 thread->create_stack_guard_pages();
coleenp@1725 5372
duke@435 5373 thread->initialize_tlab();
duke@435 5374
bobv@2036 5375 thread->cache_global_variables();
bobv@2036 5376
duke@435 5377 // Crucial that we do not have a safepoint check for this thread, since it has
duke@435 5378 // not been added to the Thread list yet.
duke@435 5379 { Threads_lock->lock_without_safepoint_check();
duke@435 5380 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to
duke@435 5381 // avoid this thread trying to do a GC before it is added to the thread-list
duke@435 5382 thread->set_active_handles(JNIHandleBlock::allocate_block());
duke@435 5383 Threads::add(thread, daemon);
duke@435 5384 Threads_lock->unlock();
duke@435 5385 }
duke@435 5386 // Create thread group and name info from attach arguments
duke@435 5387 oop group = NULL;
duke@435 5388 char* thread_name = NULL;
duke@435 5389 if (args != NULL && Threads::is_supported_jni_version(args->version)) {
duke@435 5390 group = JNIHandles::resolve(args->group);
duke@435 5391 thread_name = args->name; // may be NULL
duke@435 5392 }
duke@435 5393 if (group == NULL) group = Universe::main_thread_group();
duke@435 5394
duke@435 5395 // Create Java level thread object and attach it to this thread
duke@435 5396 bool attach_failed = false;
duke@435 5397 {
duke@435 5398 EXCEPTION_MARK;
duke@435 5399 HandleMark hm(THREAD);
duke@435 5400 Handle thread_group(THREAD, group);
duke@435 5401 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD);
duke@435 5402 if (HAS_PENDING_EXCEPTION) {
duke@435 5403 CLEAR_PENDING_EXCEPTION;
duke@435 5404 // cleanup outside the handle mark.
duke@435 5405 attach_failed = true;
duke@435 5406 }
duke@435 5407 }
duke@435 5408
duke@435 5409 if (attach_failed) {
duke@435 5410 // Added missing cleanup
duke@435 5411 thread->cleanup_failed_attach_current_thread();
duke@435 5412 return JNI_ERR;
duke@435 5413 }
duke@435 5414
duke@435 5415 // mark the thread as no longer attaching
duke@435 5416 // this uses a fence to push the change through so we don't have
duke@435 5417 // to regrab the threads_lock
dcubed@3202 5418 thread->set_done_attaching_via_jni();
duke@435 5419
duke@435 5420 // Set java thread status.
duke@435 5421 java_lang_Thread::set_thread_status(thread->threadObj(),
duke@435 5422 java_lang_Thread::RUNNABLE);
duke@435 5423
duke@435 5424 // Notify the debugger
duke@435 5425 if (JvmtiExport::should_post_thread_life()) {
duke@435 5426 JvmtiExport::post_thread_start(thread);
duke@435 5427 }
duke@435 5428
sla@5237 5429 EventThreadStart event;
sla@5237 5430 if (event.should_commit()) {
sla@5237 5431 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj()));
sla@5237 5432 event.commit();
sla@5237 5433 }
phh@3427 5434
duke@435 5435 *(JNIEnv**)penv = thread->jni_environment();
duke@435 5436
duke@435 5437 // Now leaving the VM, so change thread_state. This is normally automatically taken care
duke@435 5438 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by
duke@435 5439 // using ThreadStateTransition::transition, we do a callback to the safepoint code if
duke@435 5440 // needed.
duke@435 5441
duke@435 5442 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
duke@435 5443
duke@435 5444 // Perform any platform dependent FPU setup
duke@435 5445 os::setup_fpu();
duke@435 5446
duke@435 5447 return JNI_OK;
duke@435 5448 }
duke@435 5449
duke@435 5450
duke@435 5451 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) {
dcubed@3202 5452 #ifndef USDT2
duke@435 5453 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args);
dcubed@3202 5454 #else /* USDT2 */
dcubed@3202 5455 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY(
dcubed@3202 5456 vm, penv, _args);
dcubed@3202 5457 #endif /* USDT2 */
duke@435 5458 if (!vm_created) {
dcubed@3202 5459 #ifndef USDT2
duke@435 5460 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR);
dcubed@3202 5461 #else /* USDT2 */
dcubed@3202 5462 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(
dcubed@3202 5463 (uint32_t) JNI_ERR);
dcubed@3202 5464 #endif /* USDT2 */
duke@435 5465 return JNI_ERR;
duke@435 5466 }
duke@435 5467
duke@435 5468 JNIWrapper("AttachCurrentThread");
duke@435 5469 jint ret = attach_current_thread(vm, penv, _args, false);
dcubed@3202 5470 #ifndef USDT2
duke@435 5471 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret);
dcubed@3202 5472 #else /* USDT2 */
dcubed@3202 5473 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(
dcubed@3202 5474 ret);
dcubed@3202 5475 #endif /* USDT2 */
duke@435 5476 return ret;
duke@435 5477 }
duke@435 5478
duke@435 5479
duke@435 5480 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) {
dcubed@3202 5481 #ifndef USDT2
duke@435 5482 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm);
dcubed@3202 5483 #else /* USDT2 */
dcubed@3202 5484 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY(
dcubed@3202 5485 vm);
dcubed@3202 5486 #endif /* USDT2 */
duke@435 5487 VM_Exit::block_if_vm_exited();
duke@435 5488
duke@435 5489 JNIWrapper("DetachCurrentThread");
duke@435 5490
duke@435 5491 // If the thread has been deattacted the operations is a no-op
duke@435 5492 if (ThreadLocalStorage::thread() == NULL) {
dcubed@3202 5493 #ifndef USDT2
duke@435 5494 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK);
dcubed@3202 5495 #else /* USDT2 */
dcubed@3202 5496 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
dcubed@3202 5497 JNI_OK);
dcubed@3202 5498 #endif /* USDT2 */
duke@435 5499 return JNI_OK;
duke@435 5500 }
duke@435 5501
duke@435 5502 JavaThread* thread = JavaThread::current();
duke@435 5503 if (thread->has_last_Java_frame()) {
dcubed@3202 5504 #ifndef USDT2
duke@435 5505 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR);
dcubed@3202 5506 #else /* USDT2 */
dcubed@3202 5507 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
dcubed@3202 5508 (uint32_t) JNI_ERR);
dcubed@3202 5509 #endif /* USDT2 */
duke@435 5510 // Can't detach a thread that's running java, that can't work.
duke@435 5511 return JNI_ERR;
duke@435 5512 }
duke@435 5513
duke@435 5514 // Safepoint support. Have to do call-back to safepoint code, if in the
duke@435 5515 // middel of a safepoint operation
duke@435 5516 ThreadStateTransition::transition_from_native(thread, _thread_in_vm);
duke@435 5517
duke@435 5518 // XXX: Note that JavaThread::exit() call below removes the guards on the
duke@435 5519 // stack pages set up via enable_stack_{red,yellow}_zone() calls
duke@435 5520 // above in jni_AttachCurrentThread. Unfortunately, while the setting
duke@435 5521 // of the guards is visible in jni_AttachCurrentThread above,
duke@435 5522 // the removal of the guards is buried below in JavaThread::exit()
duke@435 5523 // here. The abstraction should be more symmetrically either exposed
duke@435 5524 // or hidden (e.g. it could probably be hidden in the same
duke@435 5525 // (platform-dependent) methods where we do alternate stack
duke@435 5526 // maintenance work?)
duke@435 5527 thread->exit(false, JavaThread::jni_detach);
duke@435 5528 delete thread;
duke@435 5529
dcubed@3202 5530 #ifndef USDT2
duke@435 5531 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK);
dcubed@3202 5532 #else /* USDT2 */
dcubed@3202 5533 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
dcubed@3202 5534 JNI_OK);
dcubed@3202 5535 #endif /* USDT2 */
duke@435 5536 return JNI_OK;
duke@435 5537 }
duke@435 5538
dcubed@3202 5539 #ifndef USDT2
duke@435 5540 DT_RETURN_MARK_DECL(GetEnv, jint);
dcubed@3202 5541 #else /* USDT2 */
dcubed@3202 5542 DT_RETURN_MARK_DECL(GetEnv, jint
dcubed@3202 5543 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref));
dcubed@3202 5544 #endif /* USDT2 */
duke@435 5545
duke@435 5546 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) {
dcubed@3202 5547 #ifndef USDT2
duke@435 5548 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version);
dcubed@3202 5549 #else /* USDT2 */
dcubed@3202 5550 HOTSPOT_JNI_GETENV_ENTRY(
dcubed@3202 5551 vm, penv, version);
dcubed@3202 5552 #endif /* USDT2 */
duke@435 5553 jint ret = JNI_ERR;
duke@435 5554 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret);
duke@435 5555
duke@435 5556 if (!vm_created) {
duke@435 5557 *penv = NULL;
duke@435 5558 ret = JNI_EDETACHED;
duke@435 5559 return ret;
duke@435 5560 }
duke@435 5561
phh@3427 5562 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) {
duke@435 5563 return ret;
duke@435 5564 }
duke@435 5565
duke@435 5566 #ifndef JVMPI_VERSION_1
duke@435 5567 // need these in order to be polite about older agents
duke@435 5568 #define JVMPI_VERSION_1 ((jint)0x10000001)
duke@435 5569 #define JVMPI_VERSION_1_1 ((jint)0x10000002)
duke@435 5570 #define JVMPI_VERSION_1_2 ((jint)0x10000003)
duke@435 5571 #endif // !JVMPI_VERSION_1
duke@435 5572
duke@435 5573 Thread* thread = ThreadLocalStorage::thread();
duke@435 5574 if (thread != NULL && thread->is_Java_thread()) {
duke@435 5575 if (Threads::is_supported_jni_version_including_1_1(version)) {
duke@435 5576 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment();
duke@435 5577 ret = JNI_OK;
duke@435 5578 return ret;
duke@435 5579
duke@435 5580 } else if (version == JVMPI_VERSION_1 ||
duke@435 5581 version == JVMPI_VERSION_1_1 ||
duke@435 5582 version == JVMPI_VERSION_1_2) {
duke@435 5583 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported.");
duke@435 5584 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI).");
duke@435 5585 ret = JNI_EVERSION;
duke@435 5586 return ret;
duke@435 5587 } else if (JvmtiExport::is_jvmdi_version(version)) {
duke@435 5588 tty->print_cr("FATAL ERROR: JVMDI is no longer supported.");
duke@435 5589 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI).");
duke@435 5590 ret = JNI_EVERSION;
duke@435 5591 return ret;
duke@435 5592 } else {
duke@435 5593 *penv = NULL;
duke@435 5594 ret = JNI_EVERSION;
duke@435 5595 return ret;
duke@435 5596 }
duke@435 5597 } else {
duke@435 5598 *penv = NULL;
duke@435 5599 ret = JNI_EDETACHED;
duke@435 5600 return ret;
duke@435 5601 }
duke@435 5602 }
duke@435 5603
duke@435 5604
duke@435 5605 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) {
dcubed@3202 5606 #ifndef USDT2
duke@435 5607 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args);
dcubed@3202 5608 #else /* USDT2 */
dcubed@3202 5609 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY(
dcubed@3202 5610 vm, penv, _args);
dcubed@3202 5611 #endif /* USDT2 */
duke@435 5612 if (!vm_created) {
dcubed@3202 5613 #ifndef USDT2
duke@435 5614 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR);
dcubed@3202 5615 #else /* USDT2 */
dcubed@3202 5616 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(
dcubed@3202 5617 (uint32_t) JNI_ERR);
dcubed@3202 5618 #endif /* USDT2 */
duke@435 5619 return JNI_ERR;
duke@435 5620 }
duke@435 5621
duke@435 5622 JNIWrapper("AttachCurrentThreadAsDaemon");
duke@435 5623 jint ret = attach_current_thread(vm, penv, _args, true);
dcubed@3202 5624 #ifndef USDT2
duke@435 5625 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret);
dcubed@3202 5626 #else /* USDT2 */
dcubed@3202 5627 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(
dcubed@3202 5628 ret);
dcubed@3202 5629 #endif /* USDT2 */
duke@435 5630 return ret;
duke@435 5631 }
duke@435 5632
duke@435 5633
duke@435 5634 } // End extern "C"
duke@435 5635
duke@435 5636 const struct JNIInvokeInterface_ jni_InvokeInterface = {
duke@435 5637 NULL,
duke@435 5638 NULL,
duke@435 5639 NULL,
duke@435 5640
duke@435 5641 jni_DestroyJavaVM,
duke@435 5642 jni_AttachCurrentThread,
duke@435 5643 jni_DetachCurrentThread,
duke@435 5644 jni_GetEnv,
duke@435 5645 jni_AttachCurrentThreadAsDaemon
duke@435 5646 };

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