src/share/vm/prims/jni.cpp

Wed, 11 Jan 2012 17:34:02 -0500

author
phh
date
Wed, 11 Jan 2012 17:34:02 -0500
changeset 3427
94ec88ca68e2
parent 3335
3c648b9ad052
child 3828
dcfcdd01af4b
permissions
-rw-r--r--

7115199: Add event tracing hooks and Java Flight Recorder infrastructure
Summary: Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.
Reviewed-by: acorn, sspitsyn
Contributed-by: markus.gronlund@oracle.com

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

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