src/share/vm/prims/jni.cpp

Tue, 26 Mar 2013 15:00:34 +0100

author
rbackman
date
Tue, 26 Mar 2013 15:00:34 +0100
changeset 4818
1916ca1dec2f
parent 4793
499ccc15bbc8
child 4889
cc32ccaaf47f
permissions
-rw-r--r--

8009382: Add JVM_Get{Field|Method}TypeAnnotations
Reviewed-by: dcubed, rbackman
Contributed-by: Joel Borggren-Franck <joel.franck@oracle.com>

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

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