src/share/vm/prims/jni.cpp

Mon, 25 Jan 2016 14:39:01 -0800

author
asaha
date
Mon, 25 Jan 2016 14:39:01 -0800
changeset 8373
35bfaf7f9021
parent 8189
c60b9a314312
parent 8368
32b682649973
child 8389
392f8722fc51
child 8468
3f03f54d9e9f
permissions
-rw-r--r--

Merge

duke@435 1 /*
kevinw@8368 2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
coleenp@4148 3 * Copyright (c) 2012 Red Hat, Inc.
duke@435 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 5 *
duke@435 6 * This code is free software; you can redistribute it and/or modify it
duke@435 7 * under the terms of the GNU General Public License version 2 only, as
duke@435 8 * published by the Free Software Foundation.
duke@435 9 *
duke@435 10 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 13 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 14 * accompanied this code).
duke@435 15 *
duke@435 16 * You should have received a copy of the GNU General Public License version
duke@435 17 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 19 *
trims@1907 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 21 * or visit www.oracle.com if you need additional information or have any
trims@1907 22 * questions.
duke@435 23 *
duke@435 24 */
duke@435 25
stefank@2314 26 #include "precompiled.hpp"
minqi@4267 27 #include "ci/ciReplay.hpp"
coleenp@3865 28 #include "classfile/altHashing.hpp"
stefank@2314 29 #include "classfile/classLoader.hpp"
stefank@2314 30 #include "classfile/javaClasses.hpp"
stefank@2314 31 #include "classfile/symbolTable.hpp"
stefank@2314 32 #include "classfile/systemDictionary.hpp"
stefank@2314 33 #include "classfile/vmSymbols.hpp"
stefank@2314 34 #include "interpreter/linkResolver.hpp"
jprovino@4542 35 #include "utilities/macros.hpp"
jprovino@4542 36 #if INCLUDE_ALL_GCS
johnc@2781 37 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
jprovino@4542 38 #endif // INCLUDE_ALL_GCS
zgu@3900 39 #include "memory/allocation.hpp"
stefank@2314 40 #include "memory/allocation.inline.hpp"
stefank@2314 41 #include "memory/gcLocker.inline.hpp"
stefank@2314 42 #include "memory/oopFactory.hpp"
stefank@2314 43 #include "memory/universe.inline.hpp"
stefank@2314 44 #include "oops/instanceKlass.hpp"
stefank@2314 45 #include "oops/instanceOop.hpp"
stefank@2314 46 #include "oops/markOop.hpp"
coleenp@4037 47 #include "oops/method.hpp"
stefank@2314 48 #include "oops/objArrayKlass.hpp"
stefank@2314 49 #include "oops/objArrayOop.hpp"
stefank@2314 50 #include "oops/oop.inline.hpp"
coleenp@2497 51 #include "oops/symbol.hpp"
stefank@2314 52 #include "oops/typeArrayKlass.hpp"
stefank@2314 53 #include "oops/typeArrayOop.hpp"
stefank@2314 54 #include "prims/jni.h"
stefank@2314 55 #include "prims/jniCheck.hpp"
phh@3427 56 #include "prims/jniExport.hpp"
stefank@2314 57 #include "prims/jniFastGetField.hpp"
stefank@2314 58 #include "prims/jvm.h"
stefank@2314 59 #include "prims/jvm_misc.hpp"
stefank@2314 60 #include "prims/jvmtiExport.hpp"
stefank@2314 61 #include "prims/jvmtiThreadState.hpp"
stefank@2314 62 #include "runtime/compilationPolicy.hpp"
stefank@2314 63 #include "runtime/fieldDescriptor.hpp"
stefank@2314 64 #include "runtime/fprofiler.hpp"
stefank@2314 65 #include "runtime/handles.inline.hpp"
stefank@2314 66 #include "runtime/interfaceSupport.hpp"
stefank@2314 67 #include "runtime/java.hpp"
stefank@2314 68 #include "runtime/javaCalls.hpp"
stefank@2314 69 #include "runtime/jfieldIDWorkaround.hpp"
goetz@6911 70 #include "runtime/orderAccess.inline.hpp"
stefank@2314 71 #include "runtime/reflection.hpp"
stefank@2314 72 #include "runtime/sharedRuntime.hpp"
stefank@2314 73 #include "runtime/signature.hpp"
stefank@4299 74 #include "runtime/thread.inline.hpp"
stefank@2314 75 #include "runtime/vm_operations.hpp"
zgu@7074 76 #include "services/memTracker.hpp"
stefank@2314 77 #include "services/runtimeService.hpp"
phh@3427 78 #include "trace/tracing.hpp"
stefank@2314 79 #include "utilities/defaultStream.hpp"
stefank@2314 80 #include "utilities/dtrace.hpp"
stefank@2314 81 #include "utilities/events.hpp"
stefank@2314 82 #include "utilities/histogram.hpp"
stefank@2314 83 #ifdef TARGET_OS_FAMILY_linux
stefank@2314 84 # include "os_linux.inline.hpp"
stefank@2314 85 #endif
stefank@2314 86 #ifdef TARGET_OS_FAMILY_solaris
stefank@2314 87 # include "os_solaris.inline.hpp"
stefank@2314 88 #endif
stefank@2314 89 #ifdef TARGET_OS_FAMILY_windows
stefank@2314 90 # include "os_windows.inline.hpp"
stefank@2314 91 #endif
never@3156 92 #ifdef TARGET_OS_FAMILY_bsd
never@3156 93 # include "os_bsd.inline.hpp"
never@3156 94 #endif
duke@435 95
bpittore@4793 96 static jint CurrentVersion = JNI_VERSION_1_8;
duke@435 97
duke@435 98
duke@435 99 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace
duke@435 100 // '-return' probe regardless of the return path is taken out of the function.
duke@435 101 // Methods that have multiple return paths use this to avoid having to
duke@435 102 // instrument each return path. Methods that use CHECK or THROW must use this
duke@435 103 // since those macros can cause an immedate uninstrumented return.
duke@435 104 //
duke@435 105 // In order to get the return value, a reference to the variable containing
duke@435 106 // the return value must be passed to the contructor of the object, and
duke@435 107 // the return value must be set before return (since the mark object has
duke@435 108 // a reference to it).
duke@435 109 //
duke@435 110 // Example:
duke@435 111 // DT_RETURN_MARK_DECL(SomeFunc, int);
duke@435 112 // JNI_ENTRY(int, SomeFunc, ...)
duke@435 113 // int return_value = 0;
duke@435 114 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value);
duke@435 115 // foo(CHECK_0)
duke@435 116 // return_value = 5;
duke@435 117 // return return_value;
duke@435 118 // JNI_END
dcubed@3202 119 #ifndef USDT2
duke@435 120 #define DT_RETURN_MARK_DECL(name, type) \
duke@435 121 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \
duke@435 122 DTRACE_ONLY( \
duke@435 123 class DTraceReturnProbeMark_##name { \
duke@435 124 public: \
duke@435 125 const type& _ret_ref; \
duke@435 126 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \
duke@435 127 ~DTraceReturnProbeMark_##name() { \
duke@435 128 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \
duke@435 129 } \
duke@435 130 } \
duke@435 131 )
duke@435 132 // Void functions are simpler since there's no return value
duke@435 133 #define DT_VOID_RETURN_MARK_DECL(name) \
duke@435 134 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \
duke@435 135 DTRACE_ONLY( \
duke@435 136 class DTraceReturnProbeMark_##name { \
duke@435 137 public: \
duke@435 138 ~DTraceReturnProbeMark_##name() { \
duke@435 139 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \
duke@435 140 } \
duke@435 141 } \
duke@435 142 )
duke@435 143
dcubed@3202 144 #else /* USDT2 */
dcubed@3202 145
dcubed@3202 146 #define DT_RETURN_MARK_DECL(name, type, probe) \
dcubed@3202 147 DTRACE_ONLY( \
dcubed@3202 148 class DTraceReturnProbeMark_##name { \
dcubed@3202 149 public: \
dcubed@3202 150 const type& _ret_ref; \
dcubed@3202 151 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \
dcubed@3202 152 ~DTraceReturnProbeMark_##name() { \
dcubed@3202 153 probe; \
dcubed@3202 154 } \
dcubed@3202 155 } \
dcubed@3202 156 )
dcubed@3202 157 // Void functions are simpler since there's no return value
dcubed@3202 158 #define DT_VOID_RETURN_MARK_DECL(name, probe) \
dcubed@3202 159 DTRACE_ONLY( \
dcubed@3202 160 class DTraceReturnProbeMark_##name { \
dcubed@3202 161 public: \
dcubed@3202 162 ~DTraceReturnProbeMark_##name() { \
dcubed@3202 163 probe; \
dcubed@3202 164 } \
dcubed@3202 165 } \
dcubed@3202 166 )
dcubed@3202 167 #endif /* USDT2 */
duke@435 168
duke@435 169 // Place these macros in the function to mark the return. Non-void
duke@435 170 // functions need the type and address of the return value.
duke@435 171 #define DT_RETURN_MARK(name, type, ref) \
duke@435 172 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) )
duke@435 173 #define DT_VOID_RETURN_MARK(name) \
duke@435 174 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark )
duke@435 175
duke@435 176
duke@435 177 // Use these to select distinct code for floating-point vs. non-floating point
duke@435 178 // situations. Used from within common macros where we need slightly
duke@435 179 // different behavior for Float/Double
duke@435 180 #define FP_SELECT_Boolean(intcode, fpcode) intcode
duke@435 181 #define FP_SELECT_Byte(intcode, fpcode) intcode
duke@435 182 #define FP_SELECT_Char(intcode, fpcode) intcode
duke@435 183 #define FP_SELECT_Short(intcode, fpcode) intcode
duke@435 184 #define FP_SELECT_Object(intcode, fpcode) intcode
duke@435 185 #define FP_SELECT_Int(intcode, fpcode) intcode
duke@435 186 #define FP_SELECT_Long(intcode, fpcode) intcode
duke@435 187 #define FP_SELECT_Float(intcode, fpcode) fpcode
duke@435 188 #define FP_SELECT_Double(intcode, fpcode) fpcode
duke@435 189 #define FP_SELECT(TypeName, intcode, fpcode) \
duke@435 190 FP_SELECT_##TypeName(intcode, fpcode)
duke@435 191
duke@435 192 #define COMMA ,
duke@435 193
duke@435 194 // Choose DT_RETURN_MARK macros based on the type: float/double -> void
duke@435 195 // (dtrace doesn't do FP yet)
dcubed@3202 196 #ifndef USDT2
duke@435 197 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \
duke@435 198 FP_SELECT(TypeName, \
duke@435 199 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) )
dcubed@3202 200 #else /* USDT2 */
dcubed@3202 201 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \
dcubed@3202 202 FP_SELECT(TypeName, \
dcubed@3202 203 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) )
dcubed@3202 204 #endif /* USDT2 */
duke@435 205 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \
duke@435 206 FP_SELECT(TypeName, \
duke@435 207 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) )
duke@435 208
duke@435 209
duke@435 210 // out-of-line helpers for class jfieldIDWorkaround:
duke@435 211
coleenp@4037 212 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) {
duke@435 213 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) {
duke@435 214 uintptr_t as_uint = (uintptr_t) id;
duke@435 215 intptr_t offset = raw_instance_offset(id);
duke@435 216 if (is_checked_jfieldID(id)) {
duke@435 217 if (!klass_hash_ok(k, id)) {
duke@435 218 return false;
duke@435 219 }
duke@435 220 }
coleenp@4037 221 return InstanceKlass::cast(k)->contains_field_offset(offset);
duke@435 222 } else {
duke@435 223 JNIid* result = (JNIid*) id;
duke@435 224 #ifdef ASSERT
duke@435 225 return result != NULL && result->is_static_field_id();
duke@435 226 #else
duke@435 227 return result != NULL;
duke@435 228 #endif
duke@435 229 }
duke@435 230 }
duke@435 231
duke@435 232
coleenp@4037 233 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) {
duke@435 234 if (offset <= small_offset_mask) {
coleenp@4037 235 Klass* field_klass = k;
hseigel@4278 236 Klass* super_klass = field_klass->super();
coleenp@548 237 // With compressed oops the most super class with nonstatic fields would
coleenp@548 238 // be the owner of fields embedded in the header.
coleenp@4037 239 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() &&
coleenp@4037 240 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) {
duke@435 241 field_klass = super_klass; // super contains the field also
hseigel@4278 242 super_klass = field_klass->super();
duke@435 243 }
duke@435 244 debug_only(No_Safepoint_Verifier nosafepoint;)
duke@435 245 uintptr_t klass_hash = field_klass->identity_hash();
duke@435 246 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place;
duke@435 247 } else {
duke@435 248 #if 0
duke@435 249 #ifndef PRODUCT
duke@435 250 {
duke@435 251 ResourceMark rm;
hseigel@4278 252 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name());
duke@435 253 }
duke@435 254 #endif
duke@435 255 #endif
duke@435 256 return 0;
duke@435 257 }
duke@435 258 }
duke@435 259
coleenp@4037 260 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) {
duke@435 261 uintptr_t as_uint = (uintptr_t) id;
duke@435 262 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask;
duke@435 263 do {
duke@435 264 debug_only(No_Safepoint_Verifier nosafepoint;)
duke@435 265 // Could use a non-blocking query for identity_hash here...
duke@435 266 if ((k->identity_hash() & klass_mask) == klass_hash)
duke@435 267 return true;
hseigel@4278 268 k = k->super();
duke@435 269 } while (k != NULL);
duke@435 270 return false;
duke@435 271 }
duke@435 272
coleenp@4037 273 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) {
duke@435 274 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" );
duke@435 275 uintptr_t as_uint = (uintptr_t) id;
duke@435 276 intptr_t offset = raw_instance_offset(id);
duke@435 277 if (VerifyJNIFields) {
duke@435 278 if (is_checked_jfieldID(id)) {
duke@435 279 guarantee(klass_hash_ok(k, id),
duke@435 280 "Bug in native code: jfieldID class must match object");
duke@435 281 } else {
duke@435 282 #if 0
duke@435 283 #ifndef PRODUCT
duke@435 284 if (Verbose) {
duke@435 285 ResourceMark rm;
hseigel@4278 286 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name());
duke@435 287 }
duke@435 288 #endif
duke@435 289 #endif
duke@435 290 }
duke@435 291 }
coleenp@4037 292 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset),
duke@435 293 "Bug in native code: jfieldID offset must address interior of object");
duke@435 294 }
duke@435 295
duke@435 296 // Wrapper to trace JNI functions
duke@435 297
duke@435 298 #ifdef ASSERT
duke@435 299 Histogram* JNIHistogram;
duke@435 300 static volatile jint JNIHistogram_lock = 0;
duke@435 301
duke@435 302 class JNITraceWrapper : public StackObj {
duke@435 303 public:
drchase@6680 304 JNITraceWrapper(const char* format, ...) ATTRIBUTE_PRINTF(2, 3) {
duke@435 305 if (TraceJNICalls) {
duke@435 306 va_list ap;
duke@435 307 va_start(ap, format);
duke@435 308 tty->print("JNI ");
duke@435 309 tty->vprint_cr(format, ap);
duke@435 310 va_end(ap);
duke@435 311 }
duke@435 312 }
duke@435 313 };
duke@435 314
duke@435 315 class JNIHistogramElement : public HistogramElement {
duke@435 316 public:
duke@435 317 JNIHistogramElement(const char* name);
duke@435 318 };
duke@435 319
duke@435 320 JNIHistogramElement::JNIHistogramElement(const char* elementName) {
duke@435 321 _name = elementName;
duke@435 322 uintx count = 0;
duke@435 323
duke@435 324 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) {
duke@435 325 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) {
duke@435 326 count +=1;
duke@435 327 if ( (WarnOnStalledSpinLock > 0)
duke@435 328 && (count % WarnOnStalledSpinLock == 0)) {
duke@435 329 warning("JNIHistogram_lock seems to be stalled");
duke@435 330 }
duke@435 331 }
duke@435 332 }
duke@435 333
duke@435 334
duke@435 335 if(JNIHistogram == NULL)
duke@435 336 JNIHistogram = new Histogram("JNI Call Counts",100);
duke@435 337
duke@435 338 JNIHistogram->add_element(this);
duke@435 339 Atomic::dec(&JNIHistogram_lock);
duke@435 340 }
duke@435 341
duke@435 342 #define JNICountWrapper(arg) \
duke@435 343 static JNIHistogramElement* e = new JNIHistogramElement(arg); \
duke@435 344 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \
duke@435 345 if (e != NULL) e->increment_count()
duke@435 346 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg)
duke@435 347 #else
duke@435 348 #define JNIWrapper(arg)
duke@435 349 #endif
duke@435 350
duke@435 351
duke@435 352 // Implementation of JNI entries
duke@435 353
dcubed@3202 354 #ifndef USDT2
duke@435 355 DT_RETURN_MARK_DECL(DefineClass, jclass);
dcubed@3202 356 #else /* USDT2 */
dcubed@3202 357 DT_RETURN_MARK_DECL(DefineClass, jclass
dcubed@3202 358 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref));
dcubed@3202 359 #endif /* USDT2 */
duke@435 360
duke@435 361 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef,
duke@435 362 const jbyte *buf, jsize bufLen))
duke@435 363 JNIWrapper("DefineClass");
duke@435 364
dcubed@3202 365 #ifndef USDT2
duke@435 366 DTRACE_PROBE5(hotspot_jni, DefineClass__entry,
duke@435 367 env, name, loaderRef, buf, bufLen);
dcubed@3202 368 #else /* USDT2 */
dcubed@3202 369 HOTSPOT_JNI_DEFINECLASS_ENTRY(
dcubed@3202 370 env, (char*) name, loaderRef, (char*) buf, bufLen);
dcubed@3202 371 #endif /* USDT2 */
duke@435 372 jclass cls = NULL;
duke@435 373 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls);
duke@435 374
fparain@3828 375 TempNewSymbol class_name = NULL;
duke@435 376 // Since exceptions can be thrown, class initialization can take place
duke@435 377 // if name is NULL no check for class name in .class stream has to be made.
duke@435 378 if (name != NULL) {
duke@435 379 const int str_len = (int)strlen(name);
coleenp@2497 380 if (str_len > Symbol::max_length()) {
duke@435 381 // It's impossible to create this class; the name cannot fit
duke@435 382 // into the constant pool.
duke@435 383 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name);
duke@435 384 }
fparain@3828 385 class_name = SymbolTable::new_symbol(name, CHECK_NULL);
duke@435 386 }
duke@435 387 ResourceMark rm(THREAD);
duke@435 388 ClassFileStream st((u1*) buf, bufLen, NULL);
duke@435 389 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef));
duke@435 390
duke@435 391 if (UsePerfData && !class_loader.is_null()) {
duke@435 392 // check whether the current caller thread holds the lock or not.
duke@435 393 // If not, increment the corresponding counter
duke@435 394 if (ObjectSynchronizer::
duke@435 395 query_lock_ownership((JavaThread*)THREAD, class_loader) !=
duke@435 396 ObjectSynchronizer::owner_self) {
duke@435 397 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc();
duke@435 398 }
duke@435 399 }
coleenp@4037 400 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader,
acorn@1408 401 Handle(), &st, true,
acorn@1408 402 CHECK_NULL);
duke@435 403
acorn@1092 404 if (TraceClassResolution && k != NULL) {
acorn@1092 405 trace_class_resolution(k);
acorn@1092 406 }
acorn@1092 407
duke@435 408 cls = (jclass)JNIHandles::make_local(
hseigel@4278 409 env, k->java_mirror());
duke@435 410 return cls;
duke@435 411 JNI_END
duke@435 412
duke@435 413
duke@435 414
duke@435 415 static bool first_time_FindClass = true;
duke@435 416
dcubed@3202 417 #ifndef USDT2
duke@435 418 DT_RETURN_MARK_DECL(FindClass, jclass);
dcubed@3202 419 #else /* USDT2 */
dcubed@3202 420 DT_RETURN_MARK_DECL(FindClass, jclass
dcubed@3202 421 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref));
dcubed@3202 422 #endif /* USDT2 */
duke@435 423
duke@435 424 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name))
duke@435 425 JNIWrapper("FindClass");
dcubed@3202 426 #ifndef USDT2
duke@435 427 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name);
dcubed@3202 428 #else /* USDT2 */
dcubed@3202 429 HOTSPOT_JNI_FINDCLASS_ENTRY(
dcubed@3202 430 env, (char *)name);
dcubed@3202 431 #endif /* USDT2 */
duke@435 432
duke@435 433 jclass result = NULL;
duke@435 434 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result);
duke@435 435
duke@435 436 // Remember if we are the first invocation of jni_FindClass
duke@435 437 bool first_time = first_time_FindClass;
duke@435 438 first_time_FindClass = false;
duke@435 439
duke@435 440 // Sanity check the name: it cannot be null or larger than the maximum size
duke@435 441 // name we can fit in the constant pool.
coleenp@2497 442 if (name == NULL || (int)strlen(name) > Symbol::max_length()) {
duke@435 443 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name);
duke@435 444 }
duke@435 445
duke@435 446 //%note jni_3
duke@435 447 Handle loader;
duke@435 448 Handle protection_domain;
duke@435 449 // Find calling class
duke@435 450 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0));
duke@435 451 if (k.not_null()) {
duke@435 452 loader = Handle(THREAD, k->class_loader());
duke@435 453 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed
duke@435 454 // in the correct class context.
duke@435 455 if (loader.is_null() &&
duke@435 456 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) {
duke@435 457 JavaValue result(T_OBJECT);
duke@435 458 JavaCalls::call_static(&result, k,
coleenp@2497 459 vmSymbols::getFromClass_name(),
coleenp@2497 460 vmSymbols::void_class_signature(),
duke@435 461 thread);
duke@435 462 if (HAS_PENDING_EXCEPTION) {
duke@435 463 Handle ex(thread, thread->pending_exception());
duke@435 464 CLEAR_PENDING_EXCEPTION;
duke@435 465 THROW_HANDLE_0(ex);
duke@435 466 }
duke@435 467 oop mirror = (oop) result.get_jobject();
duke@435 468 loader = Handle(THREAD,
coleenp@4037 469 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader());
duke@435 470 protection_domain = Handle(THREAD,
coleenp@4037 471 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain());
duke@435 472 }
duke@435 473 } else {
duke@435 474 // We call ClassLoader.getSystemClassLoader to obtain the system class loader.
duke@435 475 loader = Handle(THREAD, SystemDictionary::java_system_loader());
duke@435 476 }
duke@435 477
coleenp@2497 478 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL);
duke@435 479 result = find_class_from_class_loader(env, sym, true, loader,
duke@435 480 protection_domain, true, thread);
duke@435 481
acorn@1092 482 if (TraceClassResolution && result != NULL) {
coleenp@4037 483 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result)));
acorn@1092 484 }
acorn@1092 485
duke@435 486 // If we were the first invocation of jni_FindClass, we enable compilation again
duke@435 487 // rather than just allowing invocation counter to overflow and decay.
duke@435 488 // Controlled by flag DelayCompilationDuringStartup.
duke@435 489 if (first_time && !CompileTheWorld)
duke@435 490 CompilationPolicy::completed_vm_startup();
duke@435 491
duke@435 492 return result;
duke@435 493 JNI_END
duke@435 494
dcubed@3202 495 #ifndef USDT2
duke@435 496 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID);
dcubed@3202 497 #else /* USDT2 */
dcubed@3202 498 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID
dcubed@3202 499 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref));
dcubed@3202 500 #endif /* USDT2 */
duke@435 501
duke@435 502 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method))
duke@435 503 JNIWrapper("FromReflectedMethod");
dcubed@3202 504 #ifndef USDT2
duke@435 505 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method);
dcubed@3202 506 #else /* USDT2 */
dcubed@3202 507 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY(
dcubed@3202 508 env, method);
dcubed@3202 509 #endif /* USDT2 */
duke@435 510 jmethodID ret = NULL;
duke@435 511 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret);
duke@435 512
duke@435 513 // method is a handle to a java.lang.reflect.Method object
duke@435 514 oop reflected = JNIHandles::resolve_non_null(method);
duke@435 515 oop mirror = NULL;
duke@435 516 int slot = 0;
duke@435 517
never@1577 518 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) {
duke@435 519 mirror = java_lang_reflect_Constructor::clazz(reflected);
duke@435 520 slot = java_lang_reflect_Constructor::slot(reflected);
duke@435 521 } else {
never@1577 522 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
duke@435 523 mirror = java_lang_reflect_Method::clazz(reflected);
duke@435 524 slot = java_lang_reflect_Method::slot(reflected);
duke@435 525 }
coleenp@4037 526 Klass* k = java_lang_Class::as_Klass(mirror);
duke@435 527
duke@435 528 KlassHandle k1(THREAD, k);
duke@435 529 // Make sure class is initialized before handing id's out to methods
hseigel@4278 530 k1()->initialize(CHECK_NULL);
coleenp@4037 531 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot);
duke@435 532 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted
duke@435 533 return ret;
duke@435 534 JNI_END
duke@435 535
dcubed@3202 536 #ifndef USDT2
duke@435 537 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID);
dcubed@3202 538 #else /* USDT2 */
dcubed@3202 539 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID
dcubed@3202 540 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref));
dcubed@3202 541 #endif /* USDT2 */
duke@435 542
duke@435 543 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field))
duke@435 544 JNIWrapper("FromReflectedField");
dcubed@3202 545 #ifndef USDT2
duke@435 546 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field);
dcubed@3202 547 #else /* USDT2 */
dcubed@3202 548 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY(
dcubed@3202 549 env, field);
dcubed@3202 550 #endif /* USDT2 */
duke@435 551 jfieldID ret = NULL;
duke@435 552 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret);
duke@435 553
duke@435 554 // field is a handle to a java.lang.reflect.Field object
duke@435 555 oop reflected = JNIHandles::resolve_non_null(field);
duke@435 556 oop mirror = java_lang_reflect_Field::clazz(reflected);
coleenp@4037 557 Klass* k = java_lang_Class::as_Klass(mirror);
duke@435 558 int slot = java_lang_reflect_Field::slot(reflected);
duke@435 559 int modifiers = java_lang_reflect_Field::modifiers(reflected);
duke@435 560
duke@435 561 KlassHandle k1(THREAD, k);
duke@435 562 // Make sure class is initialized before handing id's out to fields
hseigel@4278 563 k1()->initialize(CHECK_NULL);
duke@435 564
duke@435 565 // First check if this is a static field
duke@435 566 if (modifiers & JVM_ACC_STATIC) {
coleenp@4037 567 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot );
coleenp@4037 568 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset);
duke@435 569 assert(id != NULL, "corrupt Field object");
duke@435 570 debug_only(id->set_is_static_field_id();)
coleenp@4037 571 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass*
duke@435 572 ret = jfieldIDWorkaround::to_static_jfieldID(id);
duke@435 573 return ret;
duke@435 574 }
duke@435 575
duke@435 576 // The slot is the index of the field description in the field-array
duke@435 577 // The jfieldID is the offset of the field within the object
duke@435 578 // It may also have hash bits for k, if VerifyJNIFields is turned on.
coleenp@4037 579 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot );
coleenp@4037 580 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object");
duke@435 581 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset);
duke@435 582 return ret;
duke@435 583 JNI_END
duke@435 584
dcubed@3202 585 #ifndef USDT2
duke@435 586 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject);
dcubed@3202 587 #else /* USDT2 */
dcubed@3202 588 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject
dcubed@3202 589 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref));
dcubed@3202 590 #endif /* USDT2 */
duke@435 591
duke@435 592 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic))
duke@435 593 JNIWrapper("ToReflectedMethod");
dcubed@3202 594 #ifndef USDT2
duke@435 595 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic);
dcubed@3202 596 #else /* USDT2 */
dcubed@3202 597 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY(
dcubed@3202 598 env, cls, (uintptr_t) method_id, isStatic);
dcubed@3202 599 #endif /* USDT2 */
duke@435 600 jobject ret = NULL;
duke@435 601 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret);
duke@435 602
coleenp@4037 603 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id));
duke@435 604 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match");
duke@435 605 oop reflection_method;
duke@435 606 if (m->is_initializer()) {
duke@435 607 reflection_method = Reflection::new_constructor(m, CHECK_NULL);
duke@435 608 } else {
duke@435 609 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL);
duke@435 610 }
duke@435 611 ret = JNIHandles::make_local(env, reflection_method);
duke@435 612 return ret;
duke@435 613 JNI_END
duke@435 614
dcubed@3202 615 #ifndef USDT2
duke@435 616 DT_RETURN_MARK_DECL(GetSuperclass, jclass);
dcubed@3202 617 #else /* USDT2 */
dcubed@3202 618 DT_RETURN_MARK_DECL(GetSuperclass, jclass
dcubed@3202 619 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref));
dcubed@3202 620 #endif /* USDT2 */
duke@435 621
duke@435 622 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub))
duke@435 623 JNIWrapper("GetSuperclass");
dcubed@3202 624 #ifndef USDT2
duke@435 625 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub);
dcubed@3202 626 #else /* USDT2 */
dcubed@3202 627 HOTSPOT_JNI_GETSUPERCLASS_ENTRY(
dcubed@3202 628 env, sub);
dcubed@3202 629 #endif /* USDT2 */
duke@435 630 jclass obj = NULL;
duke@435 631 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj);
duke@435 632
duke@435 633 oop mirror = JNIHandles::resolve_non_null(sub);
duke@435 634 // primitive classes return NULL
duke@435 635 if (java_lang_Class::is_primitive(mirror)) return NULL;
duke@435 636
duke@435 637 // Rules of Class.getSuperClass as implemented by KLass::java_super:
duke@435 638 // arrays return Object
duke@435 639 // interfaces return NULL
duke@435 640 // proper classes return Klass::super()
coleenp@4037 641 Klass* k = java_lang_Class::as_Klass(mirror);
hseigel@4278 642 if (k->is_interface()) return NULL;
duke@435 643
duke@435 644 // return mirror for superclass
hseigel@4278 645 Klass* super = k->java_super();
duke@435 646 // super2 is the value computed by the compiler's getSuperClass intrinsic:
hseigel@4278 647 debug_only(Klass* super2 = ( k->oop_is_array()
never@1577 648 ? SystemDictionary::Object_klass()
hseigel@4278 649 : k->super() ) );
duke@435 650 assert(super == super2,
duke@435 651 "java_super computation depends on interface, array, other super");
hseigel@4278 652 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror());
duke@435 653 return obj;
duke@435 654 JNI_END
duke@435 655
duke@435 656 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super))
duke@435 657 JNIWrapper("IsSubclassOf");
dcubed@3202 658 #ifndef USDT2
duke@435 659 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super);
dcubed@3202 660 #else /* USDT2 */
dcubed@3202 661 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY(
dcubed@3202 662 env, sub, super);
dcubed@3202 663 #endif /* USDT2 */
duke@435 664 oop sub_mirror = JNIHandles::resolve_non_null(sub);
duke@435 665 oop super_mirror = JNIHandles::resolve_non_null(super);
duke@435 666 if (java_lang_Class::is_primitive(sub_mirror) ||
duke@435 667 java_lang_Class::is_primitive(super_mirror)) {
duke@435 668 jboolean ret = (sub_mirror == super_mirror);
dcubed@3202 669 #ifndef USDT2
duke@435 670 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret);
dcubed@3202 671 #else /* USDT2 */
dcubed@3202 672 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(
dcubed@3202 673 ret);
dcubed@3202 674 #endif /* USDT2 */
duke@435 675 return ret;
duke@435 676 }
coleenp@4037 677 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror);
coleenp@4037 678 Klass* super_klass = java_lang_Class::as_Klass(super_mirror);
duke@435 679 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom");
hseigel@4278 680 jboolean ret = sub_klass->is_subtype_of(super_klass) ?
duke@435 681 JNI_TRUE : JNI_FALSE;
dcubed@3202 682 #ifndef USDT2
duke@435 683 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret);
dcubed@3202 684 #else /* USDT2 */
dcubed@3202 685 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(
dcubed@3202 686 ret);
dcubed@3202 687 #endif /* USDT2 */
duke@435 688 return ret;
duke@435 689 JNI_END
duke@435 690
dcubed@3202 691 #ifndef USDT2
duke@435 692 DT_RETURN_MARK_DECL(Throw, jint);
dcubed@3202 693 #else /* USDT2 */
dcubed@3202 694 DT_RETURN_MARK_DECL(Throw, jint
dcubed@3202 695 , HOTSPOT_JNI_THROW_RETURN(_ret_ref));
dcubed@3202 696 #endif /* USDT2 */
duke@435 697
duke@435 698 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj))
duke@435 699 JNIWrapper("Throw");
dcubed@3202 700 #ifndef USDT2
duke@435 701 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj);
dcubed@3202 702 #else /* USDT2 */
dcubed@3202 703 HOTSPOT_JNI_THROW_ENTRY(
dcubed@3202 704 env, obj);
dcubed@3202 705 #endif /* USDT2 */
duke@435 706 jint ret = JNI_OK;
duke@435 707 DT_RETURN_MARK(Throw, jint, (const jint&)ret);
duke@435 708
duke@435 709 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK);
duke@435 710 ShouldNotReachHere();
duke@435 711 JNI_END
duke@435 712
dcubed@3202 713 #ifndef USDT2
duke@435 714 DT_RETURN_MARK_DECL(ThrowNew, jint);
dcubed@3202 715 #else /* USDT2 */
dcubed@3202 716 DT_RETURN_MARK_DECL(ThrowNew, jint
dcubed@3202 717 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref));
dcubed@3202 718 #endif /* USDT2 */
duke@435 719
duke@435 720 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message))
duke@435 721 JNIWrapper("ThrowNew");
dcubed@3202 722 #ifndef USDT2
duke@435 723 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message);
dcubed@3202 724 #else /* USDT2 */
dcubed@3202 725 HOTSPOT_JNI_THROWNEW_ENTRY(
dcubed@3202 726 env, clazz, (char *) message);
dcubed@3202 727 #endif /* USDT2 */
duke@435 728 jint ret = JNI_OK;
duke@435 729 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret);
duke@435 730
coleenp@4037 731 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
coleenp@2497 732 Symbol* name = k->name();
duke@435 733 Handle class_loader (THREAD, k->class_loader());
duke@435 734 Handle protection_domain (THREAD, k->protection_domain());
duke@435 735 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK);
duke@435 736 ShouldNotReachHere();
duke@435 737 JNI_END
duke@435 738
duke@435 739
duke@435 740 // JNI functions only transform a pending async exception to a synchronous
duke@435 741 // exception in ExceptionOccurred and ExceptionCheck calls, since
duke@435 742 // delivering an async exception in other places won't change the native
duke@435 743 // code's control flow and would be harmful when native code further calls
duke@435 744 // JNI functions with a pending exception. Async exception is also checked
duke@435 745 // during the call, so ExceptionOccurred/ExceptionCheck won't return
duke@435 746 // false but deliver the async exception at the very end during
duke@435 747 // state transition.
duke@435 748
duke@435 749 static void jni_check_async_exceptions(JavaThread *thread) {
duke@435 750 assert(thread == Thread::current(), "must be itself");
duke@435 751 thread->check_and_handle_async_exceptions();
duke@435 752 }
duke@435 753
duke@435 754 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env))
duke@435 755 JNIWrapper("ExceptionOccurred");
dcubed@3202 756 #ifndef USDT2
duke@435 757 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env);
dcubed@3202 758 #else /* USDT2 */
dcubed@3202 759 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY(
dcubed@3202 760 env);
dcubed@3202 761 #endif /* USDT2 */
duke@435 762 jni_check_async_exceptions(thread);
duke@435 763 oop exception = thread->pending_exception();
duke@435 764 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception);
dcubed@3202 765 #ifndef USDT2
duke@435 766 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret);
dcubed@3202 767 #else /* USDT2 */
dcubed@3202 768 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN(
dcubed@3202 769 ret);
dcubed@3202 770 #endif /* USDT2 */
duke@435 771 return ret;
duke@435 772 JNI_END
duke@435 773
duke@435 774
duke@435 775 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env))
duke@435 776 JNIWrapper("ExceptionDescribe");
dcubed@3202 777 #ifndef USDT2
duke@435 778 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env);
dcubed@3202 779 #else /* USDT2 */
dcubed@3202 780 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY(
dcubed@3202 781 env);
dcubed@3202 782 #endif /* USDT2 */
duke@435 783 if (thread->has_pending_exception()) {
duke@435 784 Handle ex(thread, thread->pending_exception());
duke@435 785 thread->clear_pending_exception();
never@1577 786 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) {
duke@435 787 // Don't print anything if we are being killed.
duke@435 788 } else {
duke@435 789 jio_fprintf(defaultStream::error_stream(), "Exception ");
duke@435 790 if (thread != NULL && thread->threadObj() != NULL) {
duke@435 791 ResourceMark rm(THREAD);
duke@435 792 jio_fprintf(defaultStream::error_stream(),
duke@435 793 "in thread \"%s\" ", thread->get_thread_name());
duke@435 794 }
never@1577 795 if (ex->is_a(SystemDictionary::Throwable_klass())) {
duke@435 796 JavaValue result(T_VOID);
duke@435 797 JavaCalls::call_virtual(&result,
duke@435 798 ex,
duke@435 799 KlassHandle(THREAD,
never@1577 800 SystemDictionary::Throwable_klass()),
coleenp@2497 801 vmSymbols::printStackTrace_name(),
coleenp@2497 802 vmSymbols::void_method_signature(),
duke@435 803 THREAD);
duke@435 804 // If an exception is thrown in the call it gets thrown away. Not much
duke@435 805 // we can do with it. The native code that calls this, does not check
duke@435 806 // for the exception - hence, it might still be in the thread when DestroyVM gets
duke@435 807 // called, potentially causing a few asserts to trigger - since no pending exception
duke@435 808 // is expected.
duke@435 809 CLEAR_PENDING_EXCEPTION;
duke@435 810 } else {
duke@435 811 ResourceMark rm(THREAD);
duke@435 812 jio_fprintf(defaultStream::error_stream(),
duke@435 813 ". Uncaught exception of type %s.",
hseigel@4278 814 ex->klass()->external_name());
duke@435 815 }
duke@435 816 }
duke@435 817 }
dcubed@3202 818 #ifndef USDT2
duke@435 819 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return);
dcubed@3202 820 #else /* USDT2 */
dcubed@3202 821 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN(
dcubed@3202 822 );
dcubed@3202 823 #endif /* USDT2 */
duke@435 824 JNI_END
duke@435 825
duke@435 826
duke@435 827 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env))
duke@435 828 JNIWrapper("ExceptionClear");
dcubed@3202 829 #ifndef USDT2
duke@435 830 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env);
dcubed@3202 831 #else /* USDT2 */
dcubed@3202 832 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY(
dcubed@3202 833 env);
dcubed@3202 834 #endif /* USDT2 */
duke@435 835
duke@435 836 // The jni code might be using this API to clear java thrown exception.
duke@435 837 // So just mark jvmti thread exception state as exception caught.
duke@435 838 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state();
duke@435 839 if (state != NULL && state->is_exception_detected()) {
duke@435 840 state->set_exception_caught();
duke@435 841 }
duke@435 842 thread->clear_pending_exception();
dcubed@3202 843 #ifndef USDT2
duke@435 844 DTRACE_PROBE(hotspot_jni, ExceptionClear__return);
dcubed@3202 845 #else /* USDT2 */
dcubed@3202 846 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN(
dcubed@3202 847 );
dcubed@3202 848 #endif /* USDT2 */
duke@435 849 JNI_END
duke@435 850
duke@435 851
duke@435 852 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg))
duke@435 853 JNIWrapper("FatalError");
dcubed@3202 854 #ifndef USDT2
duke@435 855 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg);
dcubed@3202 856 #else /* USDT2 */
dcubed@3202 857 HOTSPOT_JNI_FATALERROR_ENTRY(
dcubed@3202 858 env, (char *) msg);
dcubed@3202 859 #endif /* USDT2 */
duke@435 860 tty->print_cr("FATAL ERROR in native method: %s", msg);
duke@435 861 thread->print_stack();
poonam@662 862 os::abort(); // Dump core and abort
duke@435 863 JNI_END
duke@435 864
duke@435 865
duke@435 866 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity))
duke@435 867 JNIWrapper("PushLocalFrame");
dcubed@3202 868 #ifndef USDT2
duke@435 869 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity);
dcubed@3202 870 #else /* USDT2 */
dcubed@3202 871 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY(
dcubed@3202 872 env, capacity);
dcubed@3202 873 #endif /* USDT2 */
duke@435 874 //%note jni_11
dsimms@7038 875 if (capacity < 0 ||
dsimms@7038 876 ((MaxJNILocalCapacity > 0) && (capacity > MaxJNILocalCapacity))) {
dcubed@3202 877 #ifndef USDT2
duke@435 878 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR);
dcubed@3202 879 #else /* USDT2 */
dcubed@3202 880 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(
dcubed@3202 881 (uint32_t)JNI_ERR);
dcubed@3202 882 #endif /* USDT2 */
duke@435 883 return JNI_ERR;
duke@435 884 }
duke@435 885 JNIHandleBlock* old_handles = thread->active_handles();
duke@435 886 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread);
duke@435 887 assert(new_handles != NULL, "should not be NULL");
duke@435 888 new_handles->set_pop_frame_link(old_handles);
duke@435 889 thread->set_active_handles(new_handles);
duke@435 890 jint ret = JNI_OK;
dcubed@3202 891 #ifndef USDT2
duke@435 892 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret);
dcubed@3202 893 #else /* USDT2 */
dcubed@3202 894 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(
dcubed@3202 895 ret);
dcubed@3202 896 #endif /* USDT2 */
duke@435 897 return ret;
duke@435 898 JNI_END
duke@435 899
duke@435 900
duke@435 901 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result))
duke@435 902 JNIWrapper("PopLocalFrame");
dcubed@3202 903 #ifndef USDT2
duke@435 904 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result);
dcubed@3202 905 #else /* USDT2 */
dcubed@3202 906 HOTSPOT_JNI_POPLOCALFRAME_ENTRY(
dcubed@3202 907 env, result);
dcubed@3202 908 #endif /* USDT2 */
duke@435 909 //%note jni_11
duke@435 910 Handle result_handle(thread, JNIHandles::resolve(result));
duke@435 911 JNIHandleBlock* old_handles = thread->active_handles();
duke@435 912 JNIHandleBlock* new_handles = old_handles->pop_frame_link();
duke@435 913 if (new_handles != NULL) {
duke@435 914 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL.
duke@435 915 // This way code will still work if PopLocalFrame is called without a corresponding
duke@435 916 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise
duke@435 917 // the release_block call will release the blocks.
duke@435 918 thread->set_active_handles(new_handles);
duke@435 919 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below
duke@435 920 JNIHandleBlock::release_block(old_handles, thread); // may block
duke@435 921 result = JNIHandles::make_local(thread, result_handle());
duke@435 922 }
dcubed@3202 923 #ifndef USDT2
duke@435 924 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result);
dcubed@3202 925 #else /* USDT2 */
dcubed@3202 926 HOTSPOT_JNI_POPLOCALFRAME_RETURN(
dcubed@3202 927 result);
dcubed@3202 928 #endif /* USDT2 */
duke@435 929 return result;
duke@435 930 JNI_END
duke@435 931
duke@435 932
duke@435 933 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref))
duke@435 934 JNIWrapper("NewGlobalRef");
dcubed@3202 935 #ifndef USDT2
duke@435 936 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref);
dcubed@3202 937 #else /* USDT2 */
dcubed@3202 938 HOTSPOT_JNI_NEWGLOBALREF_ENTRY(
dcubed@3202 939 env, ref);
dcubed@3202 940 #endif /* USDT2 */
duke@435 941 Handle ref_handle(thread, JNIHandles::resolve(ref));
duke@435 942 jobject ret = JNIHandles::make_global(ref_handle);
dcubed@3202 943 #ifndef USDT2
duke@435 944 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret);
dcubed@3202 945 #else /* USDT2 */
dcubed@3202 946 HOTSPOT_JNI_NEWGLOBALREF_RETURN(
dcubed@3202 947 ret);
dcubed@3202 948 #endif /* USDT2 */
duke@435 949 return ret;
duke@435 950 JNI_END
duke@435 951
duke@435 952 // Must be JNI_ENTRY (with HandleMark)
duke@435 953 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref))
duke@435 954 JNIWrapper("DeleteGlobalRef");
dcubed@3202 955 #ifndef USDT2
duke@435 956 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref);
dcubed@3202 957 #else /* USDT2 */
dcubed@3202 958 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY(
dcubed@3202 959 env, ref);
dcubed@3202 960 #endif /* USDT2 */
duke@435 961 JNIHandles::destroy_global(ref);
dcubed@3202 962 #ifndef USDT2
duke@435 963 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return);
dcubed@3202 964 #else /* USDT2 */
dcubed@3202 965 HOTSPOT_JNI_DELETEGLOBALREF_RETURN(
dcubed@3202 966 );
dcubed@3202 967 #endif /* USDT2 */
duke@435 968 JNI_END
duke@435 969
duke@435 970 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj))
duke@435 971 JNIWrapper("DeleteLocalRef");
dcubed@3202 972 #ifndef USDT2
duke@435 973 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj);
dcubed@3202 974 #else /* USDT2 */
dcubed@3202 975 HOTSPOT_JNI_DELETELOCALREF_ENTRY(
dcubed@3202 976 env, obj);
dcubed@3202 977 #endif /* USDT2 */
duke@435 978 JNIHandles::destroy_local(obj);
dcubed@3202 979 #ifndef USDT2
duke@435 980 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return);
dcubed@3202 981 #else /* USDT2 */
dcubed@3202 982 HOTSPOT_JNI_DELETELOCALREF_RETURN(
dcubed@3202 983 );
dcubed@3202 984 #endif /* USDT2 */
duke@435 985 JNI_END
duke@435 986
duke@435 987 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2))
duke@435 988 JNIWrapper("IsSameObject");
dcubed@3202 989 #ifndef USDT2
duke@435 990 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2);
dcubed@3202 991 #else /* USDT2 */
dcubed@3202 992 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY(
dcubed@3202 993 env, r1, r2);
dcubed@3202 994 #endif /* USDT2 */
duke@435 995 oop a = JNIHandles::resolve(r1);
duke@435 996 oop b = JNIHandles::resolve(r2);
duke@435 997 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE;
dcubed@3202 998 #ifndef USDT2
duke@435 999 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret);
dcubed@3202 1000 #else /* USDT2 */
dcubed@3202 1001 HOTSPOT_JNI_ISSAMEOBJECT_RETURN(
dcubed@3202 1002 ret);
dcubed@3202 1003 #endif /* USDT2 */
duke@435 1004 return ret;
duke@435 1005 JNI_END
duke@435 1006
duke@435 1007
duke@435 1008 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref))
duke@435 1009 JNIWrapper("NewLocalRef");
dcubed@3202 1010 #ifndef USDT2
duke@435 1011 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref);
dcubed@3202 1012 #else /* USDT2 */
dcubed@3202 1013 HOTSPOT_JNI_NEWLOCALREF_ENTRY(
dcubed@3202 1014 env, ref);
dcubed@3202 1015 #endif /* USDT2 */
duke@435 1016 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref));
dcubed@3202 1017 #ifndef USDT2
duke@435 1018 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret);
dcubed@3202 1019 #else /* USDT2 */
dcubed@3202 1020 HOTSPOT_JNI_NEWLOCALREF_RETURN(
dcubed@3202 1021 ret);
dcubed@3202 1022 #endif /* USDT2 */
duke@435 1023 return ret;
duke@435 1024 JNI_END
duke@435 1025
duke@435 1026 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity))
duke@435 1027 JNIWrapper("EnsureLocalCapacity");
dcubed@3202 1028 #ifndef USDT2
duke@435 1029 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity);
dcubed@3202 1030 #else /* USDT2 */
dcubed@3202 1031 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY(
dcubed@3202 1032 env, capacity);
dcubed@3202 1033 #endif /* USDT2 */
duke@435 1034 jint ret;
dsimms@7038 1035 if (capacity >= 0 &&
dsimms@7038 1036 ((MaxJNILocalCapacity <= 0) || (capacity <= MaxJNILocalCapacity))) {
duke@435 1037 ret = JNI_OK;
duke@435 1038 } else {
duke@435 1039 ret = JNI_ERR;
duke@435 1040 }
dcubed@3202 1041 #ifndef USDT2
duke@435 1042 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret);
dcubed@3202 1043 #else /* USDT2 */
dcubed@3202 1044 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN(
dcubed@3202 1045 ret);
dcubed@3202 1046 #endif /* USDT2 */
duke@435 1047 return ret;
duke@435 1048 JNI_END
duke@435 1049
duke@435 1050 // Return the Handle Type
duke@435 1051 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj))
duke@435 1052 JNIWrapper("GetObjectRefType");
dcubed@3202 1053 #ifndef USDT2
duke@435 1054 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj);
dcubed@3202 1055 #else /* USDT2 */
dcubed@3202 1056 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY(
dcubed@3202 1057 env, obj);
dcubed@3202 1058 #endif /* USDT2 */
duke@435 1059 jobjectRefType ret;
duke@435 1060 if (JNIHandles::is_local_handle(thread, obj) ||
duke@435 1061 JNIHandles::is_frame_handle(thread, obj))
duke@435 1062 ret = JNILocalRefType;
duke@435 1063 else if (JNIHandles::is_global_handle(obj))
duke@435 1064 ret = JNIGlobalRefType;
duke@435 1065 else if (JNIHandles::is_weak_global_handle(obj))
duke@435 1066 ret = JNIWeakGlobalRefType;
duke@435 1067 else
duke@435 1068 ret = JNIInvalidRefType;
dcubed@3202 1069 #ifndef USDT2
duke@435 1070 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret);
dcubed@3202 1071 #else /* USDT2 */
dcubed@3202 1072 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN(
dcubed@3202 1073 (void *) ret);
dcubed@3202 1074 #endif /* USDT2 */
duke@435 1075 return ret;
duke@435 1076 JNI_END
duke@435 1077
duke@435 1078
duke@435 1079 class JNI_ArgumentPusher : public SignatureIterator {
duke@435 1080 protected:
duke@435 1081 JavaCallArguments* _arguments;
duke@435 1082
duke@435 1083 virtual void get_bool () = 0;
duke@435 1084 virtual void get_char () = 0;
duke@435 1085 virtual void get_short () = 0;
duke@435 1086 virtual void get_byte () = 0;
duke@435 1087 virtual void get_int () = 0;
duke@435 1088 virtual void get_long () = 0;
duke@435 1089 virtual void get_float () = 0;
duke@435 1090 virtual void get_double () = 0;
duke@435 1091 virtual void get_object () = 0;
duke@435 1092
coleenp@2497 1093 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) {
duke@435 1094 this->_return_type = T_ILLEGAL;
duke@435 1095 _arguments = NULL;
duke@435 1096 }
duke@435 1097
duke@435 1098 public:
duke@435 1099 virtual void iterate( uint64_t fingerprint ) = 0;
duke@435 1100
duke@435 1101 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; }
duke@435 1102
duke@435 1103 inline void do_bool() { if (!is_return_type()) get_bool(); }
duke@435 1104 inline void do_char() { if (!is_return_type()) get_char(); }
duke@435 1105 inline void do_short() { if (!is_return_type()) get_short(); }
duke@435 1106 inline void do_byte() { if (!is_return_type()) get_byte(); }
duke@435 1107 inline void do_int() { if (!is_return_type()) get_int(); }
duke@435 1108 inline void do_long() { if (!is_return_type()) get_long(); }
duke@435 1109 inline void do_float() { if (!is_return_type()) get_float(); }
duke@435 1110 inline void do_double() { if (!is_return_type()) get_double(); }
duke@435 1111 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); }
duke@435 1112 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array
duke@435 1113 inline void do_void() { }
duke@435 1114
duke@435 1115 JavaCallArguments* arguments() { return _arguments; }
duke@435 1116 void push_receiver(Handle h) { _arguments->push_oop(h); }
duke@435 1117 };
duke@435 1118
duke@435 1119
duke@435 1120 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher {
duke@435 1121 protected:
duke@435 1122 va_list _ap;
duke@435 1123
duke@435 1124 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg
duke@435 1125 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg
duke@435 1126 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg
duke@435 1127 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg
duke@435 1128 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); }
duke@435 1129
duke@435 1130 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests
duke@435 1131
duke@435 1132 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); }
duke@435 1133 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg
duke@435 1134 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); }
duke@435 1135 inline void get_object() { jobject l = va_arg(_ap, jobject);
duke@435 1136 _arguments->push_oop(Handle((oop *)l, false)); }
duke@435 1137
duke@435 1138 inline void set_ap(va_list rap) {
duke@435 1139 #ifdef va_copy
duke@435 1140 va_copy(_ap, rap);
duke@435 1141 #elif defined (__va_copy)
duke@435 1142 __va_copy(_ap, rap);
duke@435 1143 #else
duke@435 1144 _ap = rap;
duke@435 1145 #endif
duke@435 1146 }
duke@435 1147
duke@435 1148 public:
coleenp@2497 1149 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap)
coleenp@2497 1150 : JNI_ArgumentPusher(signature) {
duke@435 1151 set_ap(rap);
duke@435 1152 }
coleenp@2497 1153 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap)
coleenp@4037 1154 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) {
duke@435 1155 set_ap(rap);
duke@435 1156 }
duke@435 1157
duke@435 1158 // Optimized path if we have the bitvector form of signature
duke@435 1159 void iterate( uint64_t fingerprint ) {
duke@435 1160 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments
duke@435 1161 else {
duke@435 1162 _return_type = (BasicType)((fingerprint >> static_feature_size) &
duke@435 1163 result_feature_mask);
duke@435 1164
duke@435 1165 assert(fingerprint, "Fingerprint should not be 0");
duke@435 1166 fingerprint = fingerprint >> (static_feature_size + result_feature_size);
duke@435 1167 while ( 1 ) {
duke@435 1168 switch ( fingerprint & parameter_feature_mask ) {
duke@435 1169 case bool_parm:
duke@435 1170 case char_parm:
duke@435 1171 case short_parm:
duke@435 1172 case byte_parm:
duke@435 1173 case int_parm:
duke@435 1174 get_int();
duke@435 1175 break;
duke@435 1176 case obj_parm:
duke@435 1177 get_object();
duke@435 1178 break;
duke@435 1179 case long_parm:
duke@435 1180 get_long();
duke@435 1181 break;
duke@435 1182 case float_parm:
duke@435 1183 get_float();
duke@435 1184 break;
duke@435 1185 case double_parm:
duke@435 1186 get_double();
duke@435 1187 break;
duke@435 1188 case done_parm:
duke@435 1189 return;
duke@435 1190 break;
duke@435 1191 default:
duke@435 1192 ShouldNotReachHere();
duke@435 1193 break;
duke@435 1194 }
duke@435 1195 fingerprint >>= parameter_feature_size;
duke@435 1196 }
duke@435 1197 }
duke@435 1198 }
duke@435 1199 };
duke@435 1200
duke@435 1201
duke@435 1202 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher {
duke@435 1203 protected:
duke@435 1204 const jvalue *_ap;
duke@435 1205
duke@435 1206 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); }
duke@435 1207 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); }
duke@435 1208 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); }
duke@435 1209 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); }
duke@435 1210 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); }
duke@435 1211
duke@435 1212 inline void get_long() { _arguments->push_long((_ap++)->j); }
duke@435 1213 inline void get_float() { _arguments->push_float((_ap++)->f); }
duke@435 1214 inline void get_double() { _arguments->push_double((_ap++)->d);}
duke@435 1215 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); }
duke@435 1216
duke@435 1217 inline void set_ap(const jvalue *rap) { _ap = rap; }
duke@435 1218
duke@435 1219 public:
coleenp@2497 1220 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap)
coleenp@2497 1221 : JNI_ArgumentPusher(signature) {
duke@435 1222 set_ap(rap);
duke@435 1223 }
coleenp@2497 1224 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap)
coleenp@4037 1225 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) {
duke@435 1226 set_ap(rap);
duke@435 1227 }
duke@435 1228
duke@435 1229 // Optimized path if we have the bitvector form of signature
duke@435 1230 void iterate( uint64_t fingerprint ) {
duke@435 1231 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments
duke@435 1232 else {
duke@435 1233 _return_type = (BasicType)((fingerprint >> static_feature_size) &
duke@435 1234 result_feature_mask);
duke@435 1235 assert(fingerprint, "Fingerprint should not be 0");
duke@435 1236 fingerprint = fingerprint >> (static_feature_size + result_feature_size);
duke@435 1237 while ( 1 ) {
duke@435 1238 switch ( fingerprint & parameter_feature_mask ) {
duke@435 1239 case bool_parm:
duke@435 1240 get_bool();
duke@435 1241 break;
duke@435 1242 case char_parm:
duke@435 1243 get_char();
duke@435 1244 break;
duke@435 1245 case short_parm:
duke@435 1246 get_short();
duke@435 1247 break;
duke@435 1248 case byte_parm:
duke@435 1249 get_byte();
duke@435 1250 break;
duke@435 1251 case int_parm:
duke@435 1252 get_int();
duke@435 1253 break;
duke@435 1254 case obj_parm:
duke@435 1255 get_object();
duke@435 1256 break;
duke@435 1257 case long_parm:
duke@435 1258 get_long();
duke@435 1259 break;
duke@435 1260 case float_parm:
duke@435 1261 get_float();
duke@435 1262 break;
duke@435 1263 case double_parm:
duke@435 1264 get_double();
duke@435 1265 break;
duke@435 1266 case done_parm:
duke@435 1267 return;
duke@435 1268 break;
duke@435 1269 default:
duke@435 1270 ShouldNotReachHere();
duke@435 1271 break;
duke@435 1272 }
duke@435 1273 fingerprint >>= parameter_feature_size;
duke@435 1274 }
duke@435 1275 }
duke@435 1276 }
duke@435 1277 };
duke@435 1278
duke@435 1279
duke@435 1280 enum JNICallType {
duke@435 1281 JNI_STATIC,
duke@435 1282 JNI_VIRTUAL,
duke@435 1283 JNI_NONVIRTUAL
duke@435 1284 };
duke@435 1285
duke@435 1286
duke@435 1287
duke@435 1288 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) {
coleenp@4037 1289 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id));
duke@435 1290
duke@435 1291 // Create object to hold arguments for the JavaCall, and associate it with
duke@435 1292 // the jni parser
duke@435 1293 ResourceMark rm(THREAD);
duke@435 1294 int number_of_parameters = method->size_of_parameters();
duke@435 1295 JavaCallArguments java_args(number_of_parameters);
duke@435 1296 args->set_java_argument_object(&java_args);
duke@435 1297
duke@435 1298 assert(method->is_static(), "method should be static");
duke@435 1299
duke@435 1300 // Fill out JavaCallArguments object
coleenp@2497 1301 args->iterate( Fingerprinter(method).fingerprint() );
duke@435 1302 // Initialize result type
duke@435 1303 result->set_type(args->get_ret_type());
duke@435 1304
duke@435 1305 // Invoke the method. Result is returned as oop.
duke@435 1306 JavaCalls::call(result, method, &java_args, CHECK);
duke@435 1307
duke@435 1308 // Convert result
duke@435 1309 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) {
duke@435 1310 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject()));
duke@435 1311 }
duke@435 1312 }
duke@435 1313
duke@435 1314
duke@435 1315 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) {
duke@435 1316 oop recv = JNIHandles::resolve(receiver);
duke@435 1317 if (recv == NULL) {
duke@435 1318 THROW(vmSymbols::java_lang_NullPointerException());
duke@435 1319 }
duke@435 1320 Handle h_recv(THREAD, recv);
duke@435 1321
duke@435 1322 int number_of_parameters;
coleenp@4037 1323 Method* selected_method;
duke@435 1324 {
coleenp@4037 1325 Method* m = Method::resolve_jmethod_id(method_id);
duke@435 1326 number_of_parameters = m->size_of_parameters();
coleenp@4037 1327 Klass* holder = m->method_holder();
aeriksso@7866 1328 if (call_type != JNI_VIRTUAL) {
aeriksso@7866 1329 selected_method = m;
aeriksso@7866 1330 } else if (!m->has_itable_index()) {
duke@435 1331 // non-interface call -- for that little speed boost, don't handlize
duke@435 1332 debug_only(No_Safepoint_Verifier nosafepoint;)
aeriksso@7866 1333 // jni_GetMethodID makes sure class is linked and initialized
aeriksso@7866 1334 // so m should have a valid vtable index.
aeriksso@7866 1335 assert(m->valid_vtable_index(), "no valid vtable index");
aeriksso@7866 1336 int vtbl_index = m->vtable_index();
aeriksso@7866 1337 if (vtbl_index != Method::nonvirtual_vtable_index) {
aeriksso@7866 1338 Klass* k = h_recv->klass();
aeriksso@7866 1339 // k might be an arrayKlassOop but all vtables start at
aeriksso@7866 1340 // the same place. The cast is to avoid virtual call and assertion.
aeriksso@7866 1341 InstanceKlass *ik = (InstanceKlass*)k;
aeriksso@7866 1342 selected_method = ik->method_at_vtable(vtbl_index);
duke@435 1343 } else {
aeriksso@7866 1344 // final method
duke@435 1345 selected_method = m;
duke@435 1346 }
duke@435 1347 } else {
duke@435 1348 // interface call
duke@435 1349 KlassHandle h_holder(THREAD, holder);
duke@435 1350
aeriksso@7866 1351 int itbl_index = m->itable_index();
aeriksso@7866 1352 Klass* k = h_recv->klass();
aeriksso@7866 1353 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK);
duke@435 1354 }
duke@435 1355 }
duke@435 1356
duke@435 1357 methodHandle method(THREAD, selected_method);
duke@435 1358
duke@435 1359 // Create object to hold arguments for the JavaCall, and associate it with
duke@435 1360 // the jni parser
duke@435 1361 ResourceMark rm(THREAD);
duke@435 1362 JavaCallArguments java_args(number_of_parameters);
duke@435 1363 args->set_java_argument_object(&java_args);
duke@435 1364
duke@435 1365 // handle arguments
duke@435 1366 assert(!method->is_static(), "method should not be static");
duke@435 1367 args->push_receiver(h_recv); // Push jobject handle
duke@435 1368
duke@435 1369 // Fill out JavaCallArguments object
coleenp@2497 1370 args->iterate( Fingerprinter(method).fingerprint() );
duke@435 1371 // Initialize result type
duke@435 1372 result->set_type(args->get_ret_type());
duke@435 1373
duke@435 1374 // Invoke the method. Result is returned as oop.
duke@435 1375 JavaCalls::call(result, method, &java_args, CHECK);
duke@435 1376
duke@435 1377 // Convert result
duke@435 1378 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) {
duke@435 1379 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject()));
duke@435 1380 }
duke@435 1381 }
duke@435 1382
duke@435 1383
duke@435 1384 static instanceOop alloc_object(jclass clazz, TRAPS) {
coleenp@4037 1385 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
hseigel@4278 1386 k()->check_valid_for_instantiation(false, CHECK_NULL);
coleenp@4037 1387 InstanceKlass::cast(k())->initialize(CHECK_NULL);
coleenp@4037 1388 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD);
duke@435 1389 return ih;
duke@435 1390 }
duke@435 1391
dcubed@3202 1392 #ifndef USDT2
duke@435 1393 DT_RETURN_MARK_DECL(AllocObject, jobject);
dcubed@3202 1394 #else /* USDT2 */
dcubed@3202 1395 DT_RETURN_MARK_DECL(AllocObject, jobject
dcubed@3202 1396 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref));
dcubed@3202 1397 #endif /* USDT2 */
duke@435 1398
duke@435 1399 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz))
duke@435 1400 JNIWrapper("AllocObject");
duke@435 1401
dcubed@3202 1402 #ifndef USDT2
duke@435 1403 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz);
dcubed@3202 1404 #else /* USDT2 */
dcubed@3202 1405 HOTSPOT_JNI_ALLOCOBJECT_ENTRY(
dcubed@3202 1406 env, clazz);
dcubed@3202 1407 #endif /* USDT2 */
duke@435 1408 jobject ret = NULL;
duke@435 1409 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret);
duke@435 1410
duke@435 1411 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1412 ret = JNIHandles::make_local(env, i);
duke@435 1413 return ret;
duke@435 1414 JNI_END
duke@435 1415
dcubed@3202 1416 #ifndef USDT2
duke@435 1417 DT_RETURN_MARK_DECL(NewObjectA, jobject);
dcubed@3202 1418 #else /* USDT2 */
dcubed@3202 1419 DT_RETURN_MARK_DECL(NewObjectA, jobject
dcubed@3202 1420 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref));
dcubed@3202 1421 #endif /* USDT2 */
duke@435 1422
duke@435 1423 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args))
duke@435 1424 JNIWrapper("NewObjectA");
dcubed@3202 1425 #ifndef USDT2
duke@435 1426 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID);
dcubed@3202 1427 #else /* USDT2 */
dcubed@3202 1428 HOTSPOT_JNI_NEWOBJECTA_ENTRY(
dcubed@3202 1429 env, clazz, (uintptr_t) methodID);
dcubed@3202 1430 #endif /* USDT2 */
duke@435 1431 jobject obj = NULL;
duke@435 1432 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj);
duke@435 1433
duke@435 1434 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1435 obj = JNIHandles::make_local(env, i);
duke@435 1436 JavaValue jvalue(T_VOID);
coleenp@2497 1437 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 1438 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
duke@435 1439 return obj;
duke@435 1440 JNI_END
duke@435 1441
dcubed@3202 1442 #ifndef USDT2
duke@435 1443 DT_RETURN_MARK_DECL(NewObjectV, jobject);
dcubed@3202 1444 #else /* USDT2 */
dcubed@3202 1445 DT_RETURN_MARK_DECL(NewObjectV, jobject
dcubed@3202 1446 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref));
dcubed@3202 1447 #endif /* USDT2 */
duke@435 1448
duke@435 1449 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args))
duke@435 1450 JNIWrapper("NewObjectV");
dcubed@3202 1451 #ifndef USDT2
duke@435 1452 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID);
dcubed@3202 1453 #else /* USDT2 */
dcubed@3202 1454 HOTSPOT_JNI_NEWOBJECTV_ENTRY(
dcubed@3202 1455 env, clazz, (uintptr_t) methodID);
dcubed@3202 1456 #endif /* USDT2 */
duke@435 1457 jobject obj = NULL;
duke@435 1458 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj);
duke@435 1459
duke@435 1460 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1461 obj = JNIHandles::make_local(env, i);
duke@435 1462 JavaValue jvalue(T_VOID);
coleenp@2497 1463 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1464 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
duke@435 1465 return obj;
duke@435 1466 JNI_END
duke@435 1467
dcubed@3202 1468 #ifndef USDT2
duke@435 1469 DT_RETURN_MARK_DECL(NewObject, jobject);
dcubed@3202 1470 #else /* USDT2 */
dcubed@3202 1471 DT_RETURN_MARK_DECL(NewObject, jobject
dcubed@3202 1472 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref));
dcubed@3202 1473 #endif /* USDT2 */
duke@435 1474
duke@435 1475 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...))
duke@435 1476 JNIWrapper("NewObject");
dcubed@3202 1477 #ifndef USDT2
duke@435 1478 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID);
dcubed@3202 1479 #else /* USDT2 */
dcubed@3202 1480 HOTSPOT_JNI_NEWOBJECT_ENTRY(
dcubed@3202 1481 env, clazz, (uintptr_t) methodID);
dcubed@3202 1482 #endif /* USDT2 */
duke@435 1483 jobject obj = NULL;
duke@435 1484 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj);
duke@435 1485
duke@435 1486 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1487 obj = JNIHandles::make_local(env, i);
duke@435 1488 va_list args;
duke@435 1489 va_start(args, methodID);
duke@435 1490 JavaValue jvalue(T_VOID);
coleenp@2497 1491 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1492 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
duke@435 1493 va_end(args);
duke@435 1494 return obj;
duke@435 1495 JNI_END
duke@435 1496
duke@435 1497
duke@435 1498 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj))
duke@435 1499 JNIWrapper("GetObjectClass");
dcubed@3202 1500 #ifndef USDT2
duke@435 1501 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj);
dcubed@3202 1502 #else /* USDT2 */
dcubed@3202 1503 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY(
dcubed@3202 1504 env, obj);
dcubed@3202 1505 #endif /* USDT2 */
coleenp@4037 1506 Klass* k = JNIHandles::resolve_non_null(obj)->klass();
duke@435 1507 jclass ret =
hseigel@4278 1508 (jclass) JNIHandles::make_local(env, k->java_mirror());
dcubed@3202 1509 #ifndef USDT2
duke@435 1510 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret);
dcubed@3202 1511 #else /* USDT2 */
dcubed@3202 1512 HOTSPOT_JNI_GETOBJECTCLASS_RETURN(
dcubed@3202 1513 ret);
dcubed@3202 1514 #endif /* USDT2 */
duke@435 1515 return ret;
duke@435 1516 JNI_END
duke@435 1517
duke@435 1518 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz))
duke@435 1519 JNIWrapper("IsInstanceOf");
dcubed@3202 1520 #ifndef USDT2
duke@435 1521 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz);
dcubed@3202 1522 #else /* USDT2 */
dcubed@3202 1523 HOTSPOT_JNI_ISINSTANCEOF_ENTRY(
dcubed@3202 1524 env, obj, clazz);
dcubed@3202 1525 #endif /* USDT2 */
duke@435 1526 jboolean ret = JNI_TRUE;
duke@435 1527 if (obj != NULL) {
duke@435 1528 ret = JNI_FALSE;
coleenp@4037 1529 Klass* k = java_lang_Class::as_Klass(
duke@435 1530 JNIHandles::resolve_non_null(clazz));
duke@435 1531 if (k != NULL) {
duke@435 1532 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE;
duke@435 1533 }
duke@435 1534 }
dcubed@3202 1535 #ifndef USDT2
duke@435 1536 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret);
dcubed@3202 1537 #else /* USDT2 */
dcubed@3202 1538 HOTSPOT_JNI_ISINSTANCEOF_RETURN(
dcubed@3202 1539 ret);
dcubed@3202 1540 #endif /* USDT2 */
duke@435 1541 return ret;
duke@435 1542 JNI_END
duke@435 1543
duke@435 1544
duke@435 1545 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str,
duke@435 1546 const char *sig, bool is_static, TRAPS) {
duke@435 1547 // %%%% This code should probably just call into a method in the LinkResolver
duke@435 1548 //
duke@435 1549 // The class should have been loaded (we have an instance of the class
duke@435 1550 // passed in) so the method and signature should already be in the symbol
duke@435 1551 // table. If they're not there, the method doesn't exist.
coleenp@2497 1552 const char *name_to_probe = (name_str == NULL)
coleenp@2497 1553 ? vmSymbols::object_initializer_name()->as_C_string()
coleenp@2497 1554 : name_str;
coleenp@2497 1555 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe));
coleenp@2497 1556 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig));
coleenp@2497 1557
coleenp@2497 1558 if (name == NULL || signature == NULL) {
duke@435 1559 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
duke@435 1560 }
duke@435 1561
duke@435 1562 // Throw a NoSuchMethodError exception if we have an instance of a
duke@435 1563 // primitive java.lang.Class
duke@435 1564 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) {
duke@435 1565 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
duke@435 1566 }
duke@435 1567
duke@435 1568 KlassHandle klass(THREAD,
coleenp@4037 1569 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 1570
duke@435 1571 // Make sure class is linked and initialized before handing id's out to
coleenp@4037 1572 // Method*s.
hseigel@4278 1573 klass()->initialize(CHECK_NULL);
duke@435 1574
coleenp@4037 1575 Method* m;
coleenp@2497 1576 if (name == vmSymbols::object_initializer_name() ||
coleenp@2497 1577 name == vmSymbols::class_initializer_name()) {
duke@435 1578 // Never search superclasses for constructors
duke@435 1579 if (klass->oop_is_instance()) {
coleenp@4037 1580 m = InstanceKlass::cast(klass())->find_method(name, signature);
duke@435 1581 } else {
duke@435 1582 m = NULL;
duke@435 1583 }
duke@435 1584 } else {
coleenp@2497 1585 m = klass->lookup_method(name, signature);
acorn@5848 1586 if (m == NULL && klass->oop_is_instance()) {
acorn@5848 1587 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature);
duke@435 1588 }
duke@435 1589 }
duke@435 1590 if (m == NULL || (m->is_static() != is_static)) {
duke@435 1591 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
duke@435 1592 }
duke@435 1593 return m->jmethod_id();
duke@435 1594 }
duke@435 1595
duke@435 1596
duke@435 1597 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz,
duke@435 1598 const char *name, const char *sig))
duke@435 1599 JNIWrapper("GetMethodID");
dcubed@3202 1600 #ifndef USDT2
duke@435 1601 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig);
dcubed@3202 1602 #else /* USDT2 */
dcubed@3202 1603 HOTSPOT_JNI_GETMETHODID_ENTRY(
dcubed@3202 1604 env, clazz, (char *) name, (char *) sig);
dcubed@3202 1605 #endif /* USDT2 */
duke@435 1606 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread);
dcubed@3202 1607 #ifndef USDT2
duke@435 1608 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret);
dcubed@3202 1609 #else /* USDT2 */
dcubed@3202 1610 HOTSPOT_JNI_GETMETHODID_RETURN(
dcubed@3202 1611 (uintptr_t) ret);
dcubed@3202 1612 #endif /* USDT2 */
duke@435 1613 return ret;
duke@435 1614 JNI_END
duke@435 1615
duke@435 1616
duke@435 1617 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz,
duke@435 1618 const char *name, const char *sig))
duke@435 1619 JNIWrapper("GetStaticMethodID");
dcubed@3202 1620 #ifndef USDT2
duke@435 1621 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig);
dcubed@3202 1622 #else /* USDT2 */
dcubed@3202 1623 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY(
dcubed@3202 1624 env, (char *) clazz, (char *) name, (char *)sig);
dcubed@3202 1625 #endif /* USDT2 */
duke@435 1626 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread);
dcubed@3202 1627 #ifndef USDT2
duke@435 1628 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret);
dcubed@3202 1629 #else /* USDT2 */
dcubed@3202 1630 HOTSPOT_JNI_GETSTATICMETHODID_RETURN(
dcubed@3202 1631 (uintptr_t) ret);
dcubed@3202 1632 #endif /* USDT2 */
duke@435 1633 return ret;
duke@435 1634 JNI_END
duke@435 1635
duke@435 1636
duke@435 1637
duke@435 1638 //
duke@435 1639 // Calling Methods
duke@435 1640 //
duke@435 1641
dcubed@3202 1642 #ifndef USDT2
duke@435 1643 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \
duke@435 1644 \
duke@435 1645 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\
duke@435 1646 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\
duke@435 1647 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\
duke@435 1648 \
duke@435 1649 JNI_ENTRY(ResultType, \
duke@435 1650 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \
duke@435 1651 JNIWrapper("Call" XSTR(Result) "Method"); \
duke@435 1652 \
dcubed@3202 1653 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \
duke@435 1654 ResultType ret = 0;\
duke@435 1655 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \
duke@435 1656 (const ResultType&)ret);\
duke@435 1657 \
duke@435 1658 va_list args; \
duke@435 1659 va_start(args, methodID); \
duke@435 1660 JavaValue jvalue(Tag); \
coleenp@2497 1661 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 1662 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1663 va_end(args); \
duke@435 1664 ret = jvalue.get_##ResultType(); \
duke@435 1665 return ret;\
duke@435 1666 JNI_END \
duke@435 1667 \
duke@435 1668 \
duke@435 1669 JNI_ENTRY(ResultType, \
duke@435 1670 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \
duke@435 1671 JNIWrapper("Call" XSTR(Result) "MethodV"); \
duke@435 1672 \
dcubed@3202 1673 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \
duke@435 1674 ResultType ret = 0;\
duke@435 1675 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \
duke@435 1676 (const ResultType&)ret);\
duke@435 1677 \
duke@435 1678 JavaValue jvalue(Tag); \
coleenp@2497 1679 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 1680 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1681 ret = jvalue.get_##ResultType(); \
duke@435 1682 return ret;\
duke@435 1683 JNI_END \
duke@435 1684 \
duke@435 1685 \
duke@435 1686 JNI_ENTRY(ResultType, \
duke@435 1687 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \
duke@435 1688 JNIWrapper("Call" XSTR(Result) "MethodA"); \
dcubed@3202 1689 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \
duke@435 1690 ResultType ret = 0;\
duke@435 1691 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \
duke@435 1692 (const ResultType&)ret);\
duke@435 1693 \
duke@435 1694 JavaValue jvalue(Tag); \
coleenp@2497 1695 JNI_ArgumentPusherArray ap(methodID, args); \
duke@435 1696 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1697 ret = jvalue.get_##ResultType(); \
duke@435 1698 return ret;\
duke@435 1699 JNI_END
duke@435 1700
duke@435 1701 // the runtime type of subword integral basic types is integer
duke@435 1702 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN)
duke@435 1703 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE)
duke@435 1704 DEFINE_CALLMETHOD(jchar, Char, T_CHAR)
duke@435 1705 DEFINE_CALLMETHOD(jshort, Short, T_SHORT)
duke@435 1706
duke@435 1707 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT)
duke@435 1708 DEFINE_CALLMETHOD(jint, Int, T_INT)
duke@435 1709 DEFINE_CALLMETHOD(jlong, Long, T_LONG)
duke@435 1710 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT)
duke@435 1711 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE)
duke@435 1712
duke@435 1713 DT_VOID_RETURN_MARK_DECL(CallVoidMethod);
duke@435 1714 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV);
duke@435 1715 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA);
duke@435 1716
dcubed@3202 1717 #else /* USDT2 */
dcubed@3202 1718
dcubed@3202 1719 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \
dcubed@3202 1720 , EntryProbe, ReturnProbe) \
dcubed@3202 1721 \
dcubed@3202 1722 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \
dcubed@3202 1723 , ReturnProbe); \
dcubed@3202 1724 \
dcubed@3202 1725 JNI_ENTRY(ResultType, \
dcubed@3202 1726 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \
dcubed@3202 1727 JNIWrapper("Call" XSTR(Result) "Method"); \
dcubed@3202 1728 \
dcubed@3202 1729 EntryProbe; \
dcubed@3202 1730 ResultType ret = 0;\
dcubed@3202 1731 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \
dcubed@3202 1732 (const ResultType&)ret);\
dcubed@3202 1733 \
dcubed@3202 1734 va_list args; \
dcubed@3202 1735 va_start(args, methodID); \
dcubed@3202 1736 JavaValue jvalue(Tag); \
dcubed@3202 1737 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 1738 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 1739 va_end(args); \
dcubed@3202 1740 ret = jvalue.get_##ResultType(); \
dcubed@3202 1741 return ret;\
dcubed@3202 1742 JNI_END
dcubed@3202 1743
dcubed@3202 1744 // the runtime type of subword integral basic types is integer
dcubed@3202 1745 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN
dcubed@3202 1746 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1747 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref))
dcubed@3202 1748 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE
dcubed@3202 1749 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1750 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref))
dcubed@3202 1751 DEFINE_CALLMETHOD(jchar, Char, T_CHAR
dcubed@3202 1752 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1753 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref))
dcubed@3202 1754 DEFINE_CALLMETHOD(jshort, Short, T_SHORT
dcubed@3202 1755 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1756 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref))
dcubed@3202 1757
dcubed@3202 1758 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT
dcubed@3202 1759 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1760 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref))
dcubed@3202 1761 DEFINE_CALLMETHOD(jint, Int, T_INT,
dcubed@3202 1762 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1763 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref))
dcubed@3202 1764 DEFINE_CALLMETHOD(jlong, Long, T_LONG
dcubed@3202 1765 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1766 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref))
dcubed@3202 1767 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 1768 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT
dcubed@3202 1769 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1770 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN())
dcubed@3202 1771 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE
dcubed@3202 1772 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1773 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN())
dcubed@3202 1774
dcubed@3202 1775 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \
dcubed@3202 1776 , EntryProbe, ReturnProbe) \
dcubed@3202 1777 \
dcubed@3202 1778 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \
dcubed@3202 1779 , ReturnProbe); \
dcubed@3202 1780 \
dcubed@3202 1781 JNI_ENTRY(ResultType, \
dcubed@3202 1782 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \
dcubed@3202 1783 JNIWrapper("Call" XSTR(Result) "MethodV"); \
dcubed@3202 1784 \
dcubed@3202 1785 EntryProbe;\
dcubed@3202 1786 ResultType ret = 0;\
dcubed@3202 1787 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \
dcubed@3202 1788 (const ResultType&)ret);\
dcubed@3202 1789 \
dcubed@3202 1790 JavaValue jvalue(Tag); \
dcubed@3202 1791 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 1792 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 1793 ret = jvalue.get_##ResultType(); \
dcubed@3202 1794 return ret;\
dcubed@3202 1795 JNI_END
dcubed@3202 1796
dcubed@3202 1797 // the runtime type of subword integral basic types is integer
dcubed@3202 1798 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN
sla@8189 1799 , HOTSPOT_JNI_CALLBOOLEANMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1800 HOTSPOT_JNI_CALLBOOLEANMETHODV_RETURN(_ret_ref))
dcubed@3202 1801 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE
sla@8189 1802 , HOTSPOT_JNI_CALLBYTEMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1803 HOTSPOT_JNI_CALLBYTEMETHODV_RETURN(_ret_ref))
dcubed@3202 1804 DEFINE_CALLMETHODV(jchar, Char, T_CHAR
sla@8189 1805 , HOTSPOT_JNI_CALLCHARMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1806 HOTSPOT_JNI_CALLCHARMETHODV_RETURN(_ret_ref))
dcubed@3202 1807 DEFINE_CALLMETHODV(jshort, Short, T_SHORT
sla@8189 1808 , HOTSPOT_JNI_CALLSHORTMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1809 HOTSPOT_JNI_CALLSHORTMETHODV_RETURN(_ret_ref))
dcubed@3202 1810
dcubed@3202 1811 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT
sla@8189 1812 , HOTSPOT_JNI_CALLOBJECTMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1813 HOTSPOT_JNI_CALLOBJECTMETHODV_RETURN(_ret_ref))
dcubed@3202 1814 DEFINE_CALLMETHODV(jint, Int, T_INT,
sla@8189 1815 HOTSPOT_JNI_CALLINTMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1816 HOTSPOT_JNI_CALLINTMETHODV_RETURN(_ret_ref))
dcubed@3202 1817 DEFINE_CALLMETHODV(jlong, Long, T_LONG
sla@8189 1818 , HOTSPOT_JNI_CALLLONGMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1819 HOTSPOT_JNI_CALLLONGMETHODV_RETURN(_ret_ref))
dcubed@3202 1820 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 1821 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT
sla@8189 1822 , HOTSPOT_JNI_CALLFLOATMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1823 HOTSPOT_JNI_CALLFLOATMETHODV_RETURN())
dcubed@3202 1824 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE
sla@8189 1825 , HOTSPOT_JNI_CALLDOUBLEMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1826 HOTSPOT_JNI_CALLDOUBLEMETHODV_RETURN())
dcubed@3202 1827
dcubed@3202 1828 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \
dcubed@3202 1829 , EntryProbe, ReturnProbe) \
dcubed@3202 1830 \
dcubed@3202 1831 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \
dcubed@3202 1832 , ReturnProbe); \
dcubed@3202 1833 \
dcubed@3202 1834 JNI_ENTRY(ResultType, \
dcubed@3202 1835 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \
dcubed@3202 1836 JNIWrapper("Call" XSTR(Result) "MethodA"); \
dcubed@3202 1837 EntryProbe; \
dcubed@3202 1838 ResultType ret = 0;\
dcubed@3202 1839 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \
dcubed@3202 1840 (const ResultType&)ret);\
dcubed@3202 1841 \
dcubed@3202 1842 JavaValue jvalue(Tag); \
dcubed@3202 1843 JNI_ArgumentPusherArray ap(methodID, args); \
dcubed@3202 1844 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 1845 ret = jvalue.get_##ResultType(); \
dcubed@3202 1846 return ret;\
dcubed@3202 1847 JNI_END
dcubed@3202 1848
dcubed@3202 1849 // the runtime type of subword integral basic types is integer
dcubed@3202 1850 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN
sla@8189 1851 , HOTSPOT_JNI_CALLBOOLEANMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1852 HOTSPOT_JNI_CALLBOOLEANMETHODA_RETURN(_ret_ref))
dcubed@3202 1853 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE
sla@8189 1854 , HOTSPOT_JNI_CALLBYTEMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1855 HOTSPOT_JNI_CALLBYTEMETHODA_RETURN(_ret_ref))
dcubed@3202 1856 DEFINE_CALLMETHODA(jchar, Char, T_CHAR
sla@8189 1857 , HOTSPOT_JNI_CALLCHARMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1858 HOTSPOT_JNI_CALLCHARMETHODA_RETURN(_ret_ref))
dcubed@3202 1859 DEFINE_CALLMETHODA(jshort, Short, T_SHORT
sla@8189 1860 , HOTSPOT_JNI_CALLSHORTMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1861 HOTSPOT_JNI_CALLSHORTMETHODA_RETURN(_ret_ref))
dcubed@3202 1862
dcubed@3202 1863 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT
sla@8189 1864 , HOTSPOT_JNI_CALLOBJECTMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1865 HOTSPOT_JNI_CALLOBJECTMETHODA_RETURN(_ret_ref))
dcubed@3202 1866 DEFINE_CALLMETHODA(jint, Int, T_INT,
sla@8189 1867 HOTSPOT_JNI_CALLINTMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1868 HOTSPOT_JNI_CALLINTMETHODA_RETURN(_ret_ref))
dcubed@3202 1869 DEFINE_CALLMETHODA(jlong, Long, T_LONG
sla@8189 1870 , HOTSPOT_JNI_CALLLONGMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1871 HOTSPOT_JNI_CALLLONGMETHODA_RETURN(_ret_ref))
dcubed@3202 1872 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 1873 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT
sla@8189 1874 , HOTSPOT_JNI_CALLFLOATMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1875 HOTSPOT_JNI_CALLFLOATMETHODA_RETURN())
dcubed@3202 1876 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE
sla@8189 1877 , HOTSPOT_JNI_CALLDOUBLEMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
sla@8189 1878 HOTSPOT_JNI_CALLDOUBLEMETHODA_RETURN())
dcubed@3202 1879
dcubed@3202 1880 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN());
dcubed@3202 1881 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN());
dcubed@3202 1882 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN());
dcubed@3202 1883
dcubed@3202 1884 #endif /* USDT2 */
dcubed@3202 1885
duke@435 1886 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...))
duke@435 1887 JNIWrapper("CallVoidMethod");
dcubed@3202 1888 #ifndef USDT2
duke@435 1889 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID);
dcubed@3202 1890 #else /* USDT2 */
dcubed@3202 1891 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY(
dcubed@3202 1892 env, obj, (uintptr_t) methodID);
dcubed@3202 1893 #endif /* USDT2 */
duke@435 1894 DT_VOID_RETURN_MARK(CallVoidMethod);
duke@435 1895
duke@435 1896 va_list args;
duke@435 1897 va_start(args, methodID);
duke@435 1898 JavaValue jvalue(T_VOID);
coleenp@2497 1899 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1900 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
duke@435 1901 va_end(args);
duke@435 1902 JNI_END
duke@435 1903
duke@435 1904
duke@435 1905 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args))
duke@435 1906 JNIWrapper("CallVoidMethodV");
dcubed@3202 1907 #ifndef USDT2
duke@435 1908 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID);
dcubed@3202 1909 #else /* USDT2 */
dcubed@3202 1910 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY(
dcubed@3202 1911 env, obj, (uintptr_t) methodID);
dcubed@3202 1912 #endif /* USDT2 */
duke@435 1913 DT_VOID_RETURN_MARK(CallVoidMethodV);
duke@435 1914
duke@435 1915 JavaValue jvalue(T_VOID);
coleenp@2497 1916 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1917 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
duke@435 1918 JNI_END
duke@435 1919
duke@435 1920
duke@435 1921 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args))
duke@435 1922 JNIWrapper("CallVoidMethodA");
dcubed@3202 1923 #ifndef USDT2
duke@435 1924 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID);
dcubed@3202 1925 #else /* USDT2 */
dcubed@3202 1926 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY(
dcubed@3202 1927 env, obj, (uintptr_t) methodID);
dcubed@3202 1928 #endif /* USDT2 */
duke@435 1929 DT_VOID_RETURN_MARK(CallVoidMethodA);
duke@435 1930
duke@435 1931 JavaValue jvalue(T_VOID);
coleenp@2497 1932 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 1933 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
duke@435 1934 JNI_END
duke@435 1935
duke@435 1936
dcubed@3202 1937 #ifndef USDT2
duke@435 1938 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \
duke@435 1939 \
duke@435 1940 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\
duke@435 1941 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\
duke@435 1942 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\
duke@435 1943 \
duke@435 1944 JNI_ENTRY(ResultType, \
duke@435 1945 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \
duke@435 1946 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \
duke@435 1947 \
duke@435 1948 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\
duke@435 1949 ResultType ret;\
duke@435 1950 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \
duke@435 1951 (const ResultType&)ret);\
duke@435 1952 \
duke@435 1953 va_list args; \
duke@435 1954 va_start(args, methodID); \
duke@435 1955 JavaValue jvalue(Tag); \
coleenp@2497 1956 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 1957 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1958 va_end(args); \
duke@435 1959 ret = jvalue.get_##ResultType(); \
duke@435 1960 return ret;\
duke@435 1961 JNI_END \
duke@435 1962 \
duke@435 1963 JNI_ENTRY(ResultType, \
duke@435 1964 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \
duke@435 1965 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \
duke@435 1966 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\
duke@435 1967 ResultType ret;\
duke@435 1968 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \
duke@435 1969 (const ResultType&)ret);\
duke@435 1970 \
duke@435 1971 JavaValue jvalue(Tag); \
coleenp@2497 1972 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 1973 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1974 ret = jvalue.get_##ResultType(); \
duke@435 1975 return ret;\
duke@435 1976 JNI_END \
duke@435 1977 \
duke@435 1978 JNI_ENTRY(ResultType, \
duke@435 1979 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \
duke@435 1980 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \
duke@435 1981 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\
duke@435 1982 ResultType ret;\
duke@435 1983 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \
duke@435 1984 (const ResultType&)ret);\
duke@435 1985 \
duke@435 1986 JavaValue jvalue(Tag); \
coleenp@2497 1987 JNI_ArgumentPusherArray ap(methodID, args); \
duke@435 1988 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1989 ret = jvalue.get_##ResultType(); \
duke@435 1990 return ret;\
duke@435 1991 JNI_END
duke@435 1992
duke@435 1993 // the runtime type of subword integral basic types is integer
duke@435 1994 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN)
duke@435 1995 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE)
duke@435 1996 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR)
duke@435 1997 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT)
duke@435 1998
duke@435 1999 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT)
duke@435 2000 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT)
duke@435 2001 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG)
duke@435 2002 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT)
duke@435 2003 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE)
duke@435 2004
duke@435 2005
duke@435 2006 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod);
duke@435 2007 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV);
duke@435 2008 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA);
duke@435 2009
dcubed@3202 2010 #else /* USDT2 */
dcubed@3202 2011
dcubed@3202 2012 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \
dcubed@3202 2013 , EntryProbe, ReturnProbe) \
dcubed@3202 2014 \
dcubed@3202 2015 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \
dcubed@3202 2016 , ReturnProbe);\
dcubed@3202 2017 \
dcubed@3202 2018 JNI_ENTRY(ResultType, \
dcubed@3202 2019 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \
dcubed@3202 2020 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \
dcubed@3202 2021 \
dcubed@3202 2022 EntryProbe;\
dcubed@3202 2023 ResultType ret;\
dcubed@3202 2024 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \
dcubed@3202 2025 (const ResultType&)ret);\
dcubed@3202 2026 \
dcubed@3202 2027 va_list args; \
dcubed@3202 2028 va_start(args, methodID); \
dcubed@3202 2029 JavaValue jvalue(Tag); \
dcubed@3202 2030 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2031 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 2032 va_end(args); \
dcubed@3202 2033 ret = jvalue.get_##ResultType(); \
dcubed@3202 2034 return ret;\
dcubed@3202 2035 JNI_END
dcubed@3202 2036
dcubed@3202 2037 // the runtime type of subword integral basic types is integer
dcubed@3202 2038 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2039 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2040 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref))
dcubed@3202 2041 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE
dcubed@3202 2042 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2043 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref))
dcubed@3202 2044 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR
dcubed@3202 2045 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2046 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref))
dcubed@3202 2047 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT
dcubed@3202 2048 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2049 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref))
dcubed@3202 2050
dcubed@3202 2051 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT
dcubed@3202 2052 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2053 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref))
dcubed@3202 2054 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT
dcubed@3202 2055 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2056 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref))
dcubed@3202 2057 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG
dcubed@3202 2058 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2059 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2060 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref))
dcubed@3202 2061 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT
dcubed@3202 2062 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2063 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN())
dcubed@3202 2064 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE
dcubed@3202 2065 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2066 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN())
dcubed@3202 2067
dcubed@3202 2068 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \
dcubed@3202 2069 , EntryProbe, ReturnProbe) \
dcubed@3202 2070 \
dcubed@3202 2071 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \
dcubed@3202 2072 , ReturnProbe);\
dcubed@3202 2073 \
dcubed@3202 2074 JNI_ENTRY(ResultType, \
dcubed@3202 2075 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \
dcubed@3202 2076 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \
dcubed@3202 2077 \
dcubed@3202 2078 EntryProbe;\
dcubed@3202 2079 ResultType ret;\
dcubed@3202 2080 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \
dcubed@3202 2081 (const ResultType&)ret);\
dcubed@3202 2082 \
dcubed@3202 2083 JavaValue jvalue(Tag); \
dcubed@3202 2084 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2085 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 2086 ret = jvalue.get_##ResultType(); \
dcubed@3202 2087 return ret;\
dcubed@3202 2088 JNI_END
dcubed@3202 2089
dcubed@3202 2090 // the runtime type of subword integral basic types is integer
dcubed@3202 2091 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2092 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2093 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref))
dcubed@3202 2094 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE
dcubed@3202 2095 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2096 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref))
dcubed@3202 2097 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR
dcubed@3202 2098 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2099 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref))
dcubed@3202 2100 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT
dcubed@3202 2101 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2102 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref))
dcubed@3202 2103
dcubed@3202 2104 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT
dcubed@3202 2105 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2106 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref))
dcubed@3202 2107 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT
dcubed@3202 2108 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2109 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref))
dcubed@3202 2110 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG
dcubed@3202 2111 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2112 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2113 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref))
dcubed@3202 2114 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT
dcubed@3202 2115 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2116 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN())
dcubed@3202 2117 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE
dcubed@3202 2118 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2119 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN())
dcubed@3202 2120
dcubed@3202 2121 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \
dcubed@3202 2122 , EntryProbe, ReturnProbe) \
dcubed@3202 2123 \
dcubed@3202 2124 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \
dcubed@3202 2125 , ReturnProbe);\
dcubed@3202 2126 \
dcubed@3202 2127 JNI_ENTRY(ResultType, \
dcubed@3202 2128 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \
dcubed@3202 2129 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \
dcubed@3202 2130 \
dcubed@3202 2131 EntryProbe;\
dcubed@3202 2132 ResultType ret;\
dcubed@3202 2133 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \
dcubed@3202 2134 (const ResultType&)ret);\
dcubed@3202 2135 \
dcubed@3202 2136 JavaValue jvalue(Tag); \
dcubed@3202 2137 JNI_ArgumentPusherArray ap(methodID, args); \
dcubed@3202 2138 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 2139 ret = jvalue.get_##ResultType(); \
dcubed@3202 2140 return ret;\
dcubed@3202 2141 JNI_END
dcubed@3202 2142
dcubed@3202 2143 // the runtime type of subword integral basic types is integer
dcubed@3202 2144 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2145 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2146 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref))
dcubed@3202 2147 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE
dcubed@3202 2148 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2149 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref))
dcubed@3202 2150 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR
dcubed@3202 2151 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2152 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref))
dcubed@3202 2153 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT
dcubed@3202 2154 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2155 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref))
dcubed@3202 2156
dcubed@3202 2157 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT
dcubed@3202 2158 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2159 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref))
dcubed@3202 2160 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT
dcubed@3202 2161 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2162 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref))
dcubed@3202 2163 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG
dcubed@3202 2164 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2165 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2166 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref))
dcubed@3202 2167 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT
dcubed@3202 2168 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2169 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN())
dcubed@3202 2170 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE
dcubed@3202 2171 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2172 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN())
dcubed@3202 2173
dcubed@3202 2174 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod
dcubed@3202 2175 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN());
dcubed@3202 2176 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV
dcubed@3202 2177 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN());
dcubed@3202 2178 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA
dcubed@3202 2179 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN());
dcubed@3202 2180 #endif /* USDT2 */
dcubed@3202 2181
duke@435 2182 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...))
duke@435 2183 JNIWrapper("CallNonvirtualVoidMethod");
duke@435 2184
dcubed@3202 2185 #ifndef USDT2
duke@435 2186 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry,
duke@435 2187 env, obj, cls, methodID);
dcubed@3202 2188 #else /* USDT2 */
dcubed@3202 2189 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY(
dcubed@3202 2190 env, obj, cls, (uintptr_t) methodID);
dcubed@3202 2191 #endif /* USDT2 */
duke@435 2192 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod);
duke@435 2193
duke@435 2194 va_list args;
duke@435 2195 va_start(args, methodID);
duke@435 2196 JavaValue jvalue(T_VOID);
coleenp@2497 2197 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2198 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
duke@435 2199 va_end(args);
duke@435 2200 JNI_END
duke@435 2201
duke@435 2202
duke@435 2203 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args))
duke@435 2204 JNIWrapper("CallNonvirtualVoidMethodV");
duke@435 2205
dcubed@3202 2206 #ifndef USDT2
duke@435 2207 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry,
duke@435 2208 env, obj, cls, methodID);
dcubed@3202 2209 #else /* USDT2 */
dcubed@3202 2210 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY(
dcubed@3202 2211 env, obj, cls, (uintptr_t) methodID);
dcubed@3202 2212 #endif /* USDT2 */
duke@435 2213 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV);
duke@435 2214
duke@435 2215 JavaValue jvalue(T_VOID);
coleenp@2497 2216 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2217 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
duke@435 2218 JNI_END
duke@435 2219
duke@435 2220
duke@435 2221 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args))
duke@435 2222 JNIWrapper("CallNonvirtualVoidMethodA");
dcubed@3202 2223 #ifndef USDT2
duke@435 2224 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry,
duke@435 2225 env, obj, cls, methodID);
dcubed@3202 2226 #else /* USDT2 */
dcubed@3202 2227 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY(
dcubed@3202 2228 env, obj, cls, (uintptr_t) methodID);
dcubed@3202 2229 #endif /* USDT2 */
duke@435 2230 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA);
duke@435 2231 JavaValue jvalue(T_VOID);
coleenp@2497 2232 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 2233 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
duke@435 2234 JNI_END
duke@435 2235
duke@435 2236
dcubed@3202 2237 #ifndef USDT2
duke@435 2238 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \
duke@435 2239 \
duke@435 2240 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\
duke@435 2241 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\
duke@435 2242 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\
duke@435 2243 \
duke@435 2244 JNI_ENTRY(ResultType, \
duke@435 2245 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \
duke@435 2246 JNIWrapper("CallStatic" XSTR(Result) "Method"); \
duke@435 2247 \
duke@435 2248 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\
duke@435 2249 ResultType ret = 0;\
duke@435 2250 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \
duke@435 2251 (const ResultType&)ret);\
duke@435 2252 \
duke@435 2253 va_list args; \
duke@435 2254 va_start(args, methodID); \
duke@435 2255 JavaValue jvalue(Tag); \
coleenp@2497 2256 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 2257 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
duke@435 2258 va_end(args); \
duke@435 2259 ret = jvalue.get_##ResultType(); \
duke@435 2260 return ret;\
duke@435 2261 JNI_END \
duke@435 2262 \
duke@435 2263 JNI_ENTRY(ResultType, \
duke@435 2264 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \
duke@435 2265 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \
duke@435 2266 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\
duke@435 2267 ResultType ret = 0;\
duke@435 2268 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \
duke@435 2269 (const ResultType&)ret);\
duke@435 2270 \
duke@435 2271 JavaValue jvalue(Tag); \
coleenp@2497 2272 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 2273 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
duke@435 2274 ret = jvalue.get_##ResultType(); \
duke@435 2275 return ret;\
duke@435 2276 JNI_END \
duke@435 2277 \
duke@435 2278 JNI_ENTRY(ResultType, \
duke@435 2279 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \
duke@435 2280 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \
duke@435 2281 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\
duke@435 2282 ResultType ret = 0;\
duke@435 2283 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \
duke@435 2284 (const ResultType&)ret);\
duke@435 2285 \
duke@435 2286 JavaValue jvalue(Tag); \
coleenp@2497 2287 JNI_ArgumentPusherArray ap(methodID, args); \
duke@435 2288 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
duke@435 2289 ret = jvalue.get_##ResultType(); \
duke@435 2290 return ret;\
duke@435 2291 JNI_END
duke@435 2292
duke@435 2293 // the runtime type of subword integral basic types is integer
duke@435 2294 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN)
duke@435 2295 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE)
duke@435 2296 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR)
duke@435 2297 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT)
duke@435 2298
duke@435 2299 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT)
duke@435 2300 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT)
duke@435 2301 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG)
duke@435 2302 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT)
duke@435 2303 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE)
duke@435 2304
duke@435 2305
duke@435 2306 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod);
duke@435 2307 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV);
duke@435 2308 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA);
duke@435 2309
dcubed@3202 2310 #else /* USDT2 */
dcubed@3202 2311
dcubed@3202 2312 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \
dcubed@3202 2313 , EntryProbe, ResultProbe) \
dcubed@3202 2314 \
dcubed@3202 2315 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \
dcubed@3202 2316 , ResultProbe); \
dcubed@3202 2317 \
dcubed@3202 2318 JNI_ENTRY(ResultType, \
dcubed@3202 2319 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \
dcubed@3202 2320 JNIWrapper("CallStatic" XSTR(Result) "Method"); \
dcubed@3202 2321 \
dcubed@3202 2322 EntryProbe; \
dcubed@3202 2323 ResultType ret = 0;\
dcubed@3202 2324 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \
dcubed@3202 2325 (const ResultType&)ret);\
dcubed@3202 2326 \
dcubed@3202 2327 va_list args; \
dcubed@3202 2328 va_start(args, methodID); \
dcubed@3202 2329 JavaValue jvalue(Tag); \
dcubed@3202 2330 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2331 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
dcubed@3202 2332 va_end(args); \
dcubed@3202 2333 ret = jvalue.get_##ResultType(); \
dcubed@3202 2334 return ret;\
dcubed@3202 2335 JNI_END
dcubed@3202 2336
dcubed@3202 2337 // the runtime type of subword integral basic types is integer
dcubed@3202 2338 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2339 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2340 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref));
dcubed@3202 2341 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE
dcubed@3202 2342 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2343 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref));
dcubed@3202 2344 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR
dcubed@3202 2345 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2346 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref));
dcubed@3202 2347 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT
dcubed@3202 2348 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2349 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref));
dcubed@3202 2350
dcubed@3202 2351 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT
dcubed@3202 2352 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2353 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref));
dcubed@3202 2354 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT
dcubed@3202 2355 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2356 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref));
dcubed@3202 2357 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG
dcubed@3202 2358 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2359 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref));
dcubed@3202 2360 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2361 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT
dcubed@3202 2362 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2363 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN());
dcubed@3202 2364 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE
dcubed@3202 2365 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2366 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN());
dcubed@3202 2367
dcubed@3202 2368 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \
dcubed@3202 2369 , EntryProbe, ResultProbe) \
dcubed@3202 2370 \
dcubed@3202 2371 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \
dcubed@3202 2372 , ResultProbe); \
dcubed@3202 2373 \
dcubed@3202 2374 JNI_ENTRY(ResultType, \
dcubed@3202 2375 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \
dcubed@3202 2376 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \
dcubed@3202 2377 \
dcubed@3202 2378 EntryProbe; \
dcubed@3202 2379 ResultType ret = 0;\
dcubed@3202 2380 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \
dcubed@3202 2381 (const ResultType&)ret);\
dcubed@3202 2382 \
dcubed@3202 2383 JavaValue jvalue(Tag); \
dcubed@3202 2384 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2385 /* Make sure class is initialized before trying to invoke its method */ \
coleenp@4037 2386 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \
hseigel@4278 2387 k()->initialize(CHECK_0); \
dcubed@3202 2388 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
dcubed@3202 2389 va_end(args); \
dcubed@3202 2390 ret = jvalue.get_##ResultType(); \
dcubed@3202 2391 return ret;\
dcubed@3202 2392 JNI_END
dcubed@3202 2393
dcubed@3202 2394 // the runtime type of subword integral basic types is integer
dcubed@3202 2395 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2396 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2397 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref));
dcubed@3202 2398 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE
dcubed@3202 2399 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2400 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref));
dcubed@3202 2401 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR
dcubed@3202 2402 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2403 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref));
dcubed@3202 2404 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT
dcubed@3202 2405 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2406 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref));
dcubed@3202 2407
dcubed@3202 2408 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT
dcubed@3202 2409 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2410 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref));
dcubed@3202 2411 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT
dcubed@3202 2412 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2413 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref));
dcubed@3202 2414 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG
dcubed@3202 2415 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2416 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref));
dcubed@3202 2417 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2418 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT
dcubed@3202 2419 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2420 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN());
dcubed@3202 2421 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE
dcubed@3202 2422 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2423 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN());
dcubed@3202 2424
dcubed@3202 2425 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \
dcubed@3202 2426 , EntryProbe, ResultProbe) \
dcubed@3202 2427 \
dcubed@3202 2428 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \
dcubed@3202 2429 , ResultProbe); \
dcubed@3202 2430 \
dcubed@3202 2431 JNI_ENTRY(ResultType, \
dcubed@3202 2432 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \
dcubed@3202 2433 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \
dcubed@3202 2434 \
dcubed@3202 2435 EntryProbe; \
dcubed@3202 2436 ResultType ret = 0;\
dcubed@3202 2437 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \
dcubed@3202 2438 (const ResultType&)ret);\
dcubed@3202 2439 \
dcubed@3202 2440 JavaValue jvalue(Tag); \
dcubed@3202 2441 JNI_ArgumentPusherArray ap(methodID, args); \
dcubed@3202 2442 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
dcubed@3202 2443 ret = jvalue.get_##ResultType(); \
dcubed@3202 2444 return ret;\
dcubed@3202 2445 JNI_END
dcubed@3202 2446
dcubed@3202 2447 // the runtime type of subword integral basic types is integer
dcubed@3202 2448 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2449 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2450 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref));
dcubed@3202 2451 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE
dcubed@3202 2452 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2453 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref));
dcubed@3202 2454 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR
dcubed@3202 2455 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2456 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref));
dcubed@3202 2457 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT
dcubed@3202 2458 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2459 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref));
dcubed@3202 2460
dcubed@3202 2461 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT
dcubed@3202 2462 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2463 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref));
dcubed@3202 2464 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT
dcubed@3202 2465 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2466 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref));
dcubed@3202 2467 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG
dcubed@3202 2468 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2469 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref));
dcubed@3202 2470 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2471 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT
dcubed@3202 2472 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2473 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN());
dcubed@3202 2474 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE
dcubed@3202 2475 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2476 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN());
dcubed@3202 2477
dcubed@3202 2478 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod
dcubed@3202 2479 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN());
dcubed@3202 2480 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV
dcubed@3202 2481 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN());
dcubed@3202 2482 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA
dcubed@3202 2483 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN());
dcubed@3202 2484 #endif /* USDT2 */
dcubed@3202 2485
duke@435 2486 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...))
duke@435 2487 JNIWrapper("CallStaticVoidMethod");
dcubed@3202 2488 #ifndef USDT2
duke@435 2489 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID);
dcubed@3202 2490 #else /* USDT2 */
dcubed@3202 2491 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY(
dcubed@3202 2492 env, cls, (uintptr_t) methodID);
dcubed@3202 2493 #endif /* USDT2 */
duke@435 2494 DT_VOID_RETURN_MARK(CallStaticVoidMethod);
duke@435 2495
duke@435 2496 va_list args;
duke@435 2497 va_start(args, methodID);
duke@435 2498 JavaValue jvalue(T_VOID);
coleenp@2497 2499 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2500 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
duke@435 2501 va_end(args);
duke@435 2502 JNI_END
duke@435 2503
duke@435 2504
duke@435 2505 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args))
duke@435 2506 JNIWrapper("CallStaticVoidMethodV");
dcubed@3202 2507 #ifndef USDT2
duke@435 2508 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID);
dcubed@3202 2509 #else /* USDT2 */
dcubed@3202 2510 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY(
dcubed@3202 2511 env, cls, (uintptr_t) methodID);
dcubed@3202 2512 #endif /* USDT2 */
duke@435 2513 DT_VOID_RETURN_MARK(CallStaticVoidMethodV);
duke@435 2514
duke@435 2515 JavaValue jvalue(T_VOID);
coleenp@2497 2516 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2517 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
duke@435 2518 JNI_END
duke@435 2519
duke@435 2520
duke@435 2521 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args))
duke@435 2522 JNIWrapper("CallStaticVoidMethodA");
dcubed@3202 2523 #ifndef USDT2
duke@435 2524 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID);
dcubed@3202 2525 #else /* USDT2 */
dcubed@3202 2526 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY(
dcubed@3202 2527 env, cls, (uintptr_t) methodID);
dcubed@3202 2528 #endif /* USDT2 */
duke@435 2529 DT_VOID_RETURN_MARK(CallStaticVoidMethodA);
duke@435 2530
duke@435 2531 JavaValue jvalue(T_VOID);
coleenp@2497 2532 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 2533 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
duke@435 2534 JNI_END
duke@435 2535
duke@435 2536
duke@435 2537 //
duke@435 2538 // Accessing Fields
duke@435 2539 //
duke@435 2540
duke@435 2541
dcubed@3202 2542 #ifndef USDT2
duke@435 2543 DT_RETURN_MARK_DECL(GetFieldID, jfieldID);
dcubed@3202 2544 #else /* USDT2 */
dcubed@3202 2545 DT_RETURN_MARK_DECL(GetFieldID, jfieldID
dcubed@3202 2546 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref));
dcubed@3202 2547 #endif /* USDT2 */
duke@435 2548
duke@435 2549 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz,
duke@435 2550 const char *name, const char *sig))
duke@435 2551 JNIWrapper("GetFieldID");
dcubed@3202 2552 #ifndef USDT2
duke@435 2553 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig);
dcubed@3202 2554 #else /* USDT2 */
dcubed@3202 2555 HOTSPOT_JNI_GETFIELDID_ENTRY(
dcubed@3202 2556 env, clazz, (char *) name, (char *) sig);
dcubed@3202 2557 #endif /* USDT2 */
duke@435 2558 jfieldID ret = 0;
duke@435 2559 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret);
duke@435 2560
duke@435 2561 // The class should have been loaded (we have an instance of the class
duke@435 2562 // passed in) so the field and signature should already be in the symbol
duke@435 2563 // table. If they're not there, the field doesn't exist.
coleenp@2497 2564 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name));
coleenp@2497 2565 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig));
coleenp@2497 2566 if (fieldname == NULL || signame == NULL) {
duke@435 2567 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2568 }
duke@435 2569 KlassHandle k(THREAD,
coleenp@4037 2570 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 2571 // Make sure class is initialized before handing id's out to fields
hseigel@4278 2572 k()->initialize(CHECK_NULL);
duke@435 2573
duke@435 2574 fieldDescriptor fd;
hseigel@4278 2575 if (!k()->oop_is_instance() ||
coleenp@4037 2576 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) {
duke@435 2577 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2578 }
duke@435 2579
duke@435 2580 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop
duke@435 2581 // It may also have hash bits for k, if VerifyJNIFields is turned on.
duke@435 2582 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset());
duke@435 2583 return ret;
duke@435 2584 JNI_END
duke@435 2585
duke@435 2586
duke@435 2587 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID))
duke@435 2588 JNIWrapper("GetObjectField");
dcubed@3202 2589 #ifndef USDT2
duke@435 2590 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID);
dcubed@3202 2591 #else /* USDT2 */
dcubed@3202 2592 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY(
dcubed@3202 2593 env, obj, (uintptr_t) fieldID);
dcubed@3202 2594 #endif /* USDT2 */
duke@435 2595 oop o = JNIHandles::resolve_non_null(obj);
coleenp@4037 2596 Klass* k = o->klass();
duke@435 2597 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
duke@435 2598 // Keep JVMTI addition small and only check enabled flag here.
duke@435 2599 // jni_GetField_probe() assumes that is okay to create handles.
duke@435 2600 if (JvmtiExport::should_post_field_access()) {
duke@435 2601 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false);
duke@435 2602 }
duke@435 2603 jobject ret = JNIHandles::make_local(env, o->obj_field(offset));
jprovino@4542 2604 #if INCLUDE_ALL_GCS
johnc@2781 2605 // If G1 is enabled and we are accessing the value of the referent
johnc@2781 2606 // field in a reference object then we need to register a non-null
johnc@2781 2607 // referent with the SATB barrier.
johnc@2781 2608 if (UseG1GC) {
johnc@2781 2609 bool needs_barrier = false;
johnc@2781 2610
johnc@2781 2611 if (ret != NULL &&
johnc@2781 2612 offset == java_lang_ref_Reference::referent_offset &&
coleenp@4037 2613 InstanceKlass::cast(k)->reference_type() != REF_NONE) {
coleenp@4037 2614 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity");
johnc@2781 2615 needs_barrier = true;
johnc@2781 2616 }
johnc@2781 2617
johnc@2781 2618 if (needs_barrier) {
johnc@2781 2619 oop referent = JNIHandles::resolve(ret);
johnc@2781 2620 G1SATBCardTableModRefBS::enqueue(referent);
johnc@2781 2621 }
johnc@2781 2622 }
jprovino@4542 2623 #endif // INCLUDE_ALL_GCS
dcubed@3202 2624 #ifndef USDT2
duke@435 2625 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret);
dcubed@3202 2626 #else /* USDT2 */
dcubed@3202 2627 HOTSPOT_JNI_GETOBJECTFIELD_RETURN(
dcubed@3202 2628 ret);
dcubed@3202 2629 #endif /* USDT2 */
duke@435 2630 return ret;
duke@435 2631 JNI_END
duke@435 2632
duke@435 2633
dcubed@3202 2634 #ifndef USDT2
duke@435 2635 #define DEFINE_GETFIELD(Return,Fieldname,Result) \
duke@435 2636 \
duke@435 2637 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\
duke@435 2638 \
duke@435 2639 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \
duke@435 2640 JNIWrapper("Get" XSTR(Result) "Field"); \
duke@435 2641 \
duke@435 2642 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\
duke@435 2643 Return ret = 0;\
duke@435 2644 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\
duke@435 2645 \
duke@435 2646 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2647 Klass* k = o->klass(); \
duke@435 2648 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
duke@435 2649 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 2650 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \
duke@435 2651 /* and creates a ResetNoHandleMark. */ \
duke@435 2652 if (JvmtiExport::should_post_field_access()) { \
duke@435 2653 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \
duke@435 2654 } \
duke@435 2655 ret = o->Fieldname##_field(offset); \
duke@435 2656 return ret; \
duke@435 2657 JNI_END
duke@435 2658
duke@435 2659 DEFINE_GETFIELD(jboolean, bool, Boolean)
duke@435 2660 DEFINE_GETFIELD(jbyte, byte, Byte)
duke@435 2661 DEFINE_GETFIELD(jchar, char, Char)
duke@435 2662 DEFINE_GETFIELD(jshort, short, Short)
duke@435 2663 DEFINE_GETFIELD(jint, int, Int)
duke@435 2664 DEFINE_GETFIELD(jlong, long, Long)
duke@435 2665 DEFINE_GETFIELD(jfloat, float, Float)
duke@435 2666 DEFINE_GETFIELD(jdouble, double, Double)
duke@435 2667
dcubed@3202 2668 #else /* USDT2 */
dcubed@3202 2669
dcubed@3202 2670 #define DEFINE_GETFIELD(Return,Fieldname,Result \
dcubed@3202 2671 , EntryProbe, ReturnProbe) \
dcubed@3202 2672 \
dcubed@3202 2673 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \
dcubed@3202 2674 , ReturnProbe); \
dcubed@3202 2675 \
dcubed@3202 2676 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \
dcubed@3202 2677 JNIWrapper("Get" XSTR(Result) "Field"); \
dcubed@3202 2678 \
dcubed@3202 2679 EntryProbe; \
dcubed@3202 2680 Return ret = 0;\
dcubed@3202 2681 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\
dcubed@3202 2682 \
dcubed@3202 2683 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2684 Klass* k = o->klass(); \
dcubed@3202 2685 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
dcubed@3202 2686 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 2687 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \
dcubed@3202 2688 /* and creates a ResetNoHandleMark. */ \
dcubed@3202 2689 if (JvmtiExport::should_post_field_access()) { \
dcubed@3202 2690 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \
dcubed@3202 2691 } \
dcubed@3202 2692 ret = o->Fieldname##_field(offset); \
dcubed@3202 2693 return ret; \
dcubed@3202 2694 JNI_END
dcubed@3202 2695
dcubed@3202 2696 DEFINE_GETFIELD(jboolean, bool, Boolean
dcubed@3202 2697 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2698 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref))
dcubed@3202 2699 DEFINE_GETFIELD(jbyte, byte, Byte
dcubed@3202 2700 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2701 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref))
dcubed@3202 2702 DEFINE_GETFIELD(jchar, char, Char
dcubed@3202 2703 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2704 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref))
dcubed@3202 2705 DEFINE_GETFIELD(jshort, short, Short
dcubed@3202 2706 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2707 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref))
dcubed@3202 2708 DEFINE_GETFIELD(jint, int, Int
dcubed@3202 2709 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2710 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref))
dcubed@3202 2711 DEFINE_GETFIELD(jlong, long, Long
dcubed@3202 2712 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2713 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref))
dcubed@3202 2714 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2715 DEFINE_GETFIELD(jfloat, float, Float
dcubed@3202 2716 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2717 HOTSPOT_JNI_GETFLOATFIELD_RETURN())
dcubed@3202 2718 DEFINE_GETFIELD(jdouble, double, Double
dcubed@3202 2719 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2720 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN())
dcubed@3202 2721 #endif /* USDT2 */
dcubed@3202 2722
duke@435 2723 address jni_GetBooleanField_addr() {
duke@435 2724 return (address)jni_GetBooleanField;
duke@435 2725 }
duke@435 2726 address jni_GetByteField_addr() {
duke@435 2727 return (address)jni_GetByteField;
duke@435 2728 }
duke@435 2729 address jni_GetCharField_addr() {
duke@435 2730 return (address)jni_GetCharField;
duke@435 2731 }
duke@435 2732 address jni_GetShortField_addr() {
duke@435 2733 return (address)jni_GetShortField;
duke@435 2734 }
duke@435 2735 address jni_GetIntField_addr() {
duke@435 2736 return (address)jni_GetIntField;
duke@435 2737 }
duke@435 2738 address jni_GetLongField_addr() {
duke@435 2739 return (address)jni_GetLongField;
duke@435 2740 }
duke@435 2741 address jni_GetFloatField_addr() {
duke@435 2742 return (address)jni_GetFloatField;
duke@435 2743 }
duke@435 2744 address jni_GetDoubleField_addr() {
duke@435 2745 return (address)jni_GetDoubleField;
duke@435 2746 }
duke@435 2747
duke@435 2748 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value))
duke@435 2749 JNIWrapper("SetObjectField");
dcubed@3202 2750 #ifndef USDT2
duke@435 2751 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value);
dcubed@3202 2752 #else /* USDT2 */
dcubed@3202 2753 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY(
dcubed@3202 2754 env, obj, (uintptr_t) fieldID, value);
dcubed@3202 2755 #endif /* USDT2 */
duke@435 2756 oop o = JNIHandles::resolve_non_null(obj);
coleenp@4037 2757 Klass* k = o->klass();
duke@435 2758 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
duke@435 2759 // Keep JVMTI addition small and only check enabled flag here.
duke@435 2760 // jni_SetField_probe_nh() assumes that is not okay to create handles
duke@435 2761 // and creates a ResetNoHandleMark.
duke@435 2762 if (JvmtiExport::should_post_field_modification()) {
duke@435 2763 jvalue field_value;
duke@435 2764 field_value.l = value;
duke@435 2765 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value);
duke@435 2766 }
duke@435 2767 o->obj_field_put(offset, JNIHandles::resolve(value));
dcubed@3202 2768 #ifndef USDT2
duke@435 2769 DTRACE_PROBE(hotspot_jni, SetObjectField__return);
dcubed@3202 2770 #else /* USDT2 */
dcubed@3202 2771 HOTSPOT_JNI_SETOBJECTFIELD_RETURN(
dcubed@3202 2772 );
dcubed@3202 2773 #endif /* USDT2 */
duke@435 2774 JNI_END
duke@435 2775
dcubed@3202 2776 #ifndef USDT2
duke@435 2777 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \
duke@435 2778 \
duke@435 2779 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \
duke@435 2780 JNIWrapper("Set" XSTR(Result) "Field"); \
duke@435 2781 \
coleenp@4148 2782 FP_SELECT_##Result( \
coleenp@4148 2783 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \
coleenp@4148 2784 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \
duke@435 2785 \
duke@435 2786 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2787 Klass* k = o->klass(); \
duke@435 2788 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
duke@435 2789 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 2790 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \
duke@435 2791 /* and creates a ResetNoHandleMark. */ \
duke@435 2792 if (JvmtiExport::should_post_field_modification()) { \
duke@435 2793 jvalue field_value; \
duke@435 2794 field_value.unionType = value; \
duke@435 2795 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \
duke@435 2796 } \
duke@435 2797 o->Fieldname##_field_put(offset, value); \
duke@435 2798 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\
duke@435 2799 JNI_END
duke@435 2800
duke@435 2801 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z)
duke@435 2802 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b)
duke@435 2803 DEFINE_SETFIELD(jchar, char, Char, 'C', c)
duke@435 2804 DEFINE_SETFIELD(jshort, short, Short, 'S', s)
duke@435 2805 DEFINE_SETFIELD(jint, int, Int, 'I', i)
duke@435 2806 DEFINE_SETFIELD(jlong, long, Long, 'J', j)
duke@435 2807 DEFINE_SETFIELD(jfloat, float, Float, 'F', f)
duke@435 2808 DEFINE_SETFIELD(jdouble, double, Double, 'D', d)
duke@435 2809
dcubed@3202 2810 #else /* USDT2 */
dcubed@3202 2811
dcubed@3202 2812 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \
dcubed@3202 2813 , EntryProbe, ReturnProbe) \
dcubed@3202 2814 \
dcubed@3202 2815 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \
dcubed@3202 2816 JNIWrapper("Set" XSTR(Result) "Field"); \
dcubed@3202 2817 \
dcubed@3202 2818 EntryProbe; \
dcubed@3202 2819 \
dcubed@3202 2820 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2821 Klass* k = o->klass(); \
dcubed@3202 2822 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
dcubed@3202 2823 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 2824 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \
dcubed@3202 2825 /* and creates a ResetNoHandleMark. */ \
dcubed@3202 2826 if (JvmtiExport::should_post_field_modification()) { \
dcubed@3202 2827 jvalue field_value; \
dcubed@3202 2828 field_value.unionType = value; \
dcubed@3202 2829 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \
dcubed@3202 2830 } \
kevinw@8368 2831 if (SigType == 'Z') { value = ((jboolean)value) & 1; } \
dcubed@3202 2832 o->Fieldname##_field_put(offset, value); \
dcubed@3202 2833 ReturnProbe; \
dcubed@3202 2834 JNI_END
dcubed@3202 2835
dcubed@3202 2836 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z
dcubed@3202 2837 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2838 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN())
dcubed@3202 2839 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b
dcubed@3202 2840 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2841 HOTSPOT_JNI_SETBYTEFIELD_RETURN())
dcubed@3202 2842 DEFINE_SETFIELD(jchar, char, Char, 'C', c
dcubed@3202 2843 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2844 HOTSPOT_JNI_SETCHARFIELD_RETURN())
dcubed@3202 2845 DEFINE_SETFIELD(jshort, short, Short, 'S', s
dcubed@3202 2846 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2847 HOTSPOT_JNI_SETSHORTFIELD_RETURN())
dcubed@3202 2848 DEFINE_SETFIELD(jint, int, Int, 'I', i
dcubed@3202 2849 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2850 HOTSPOT_JNI_SETINTFIELD_RETURN())
dcubed@3202 2851 DEFINE_SETFIELD(jlong, long, Long, 'J', j
dcubed@3202 2852 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2853 HOTSPOT_JNI_SETLONGFIELD_RETURN())
dcubed@3202 2854 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2855 DEFINE_SETFIELD(jfloat, float, Float, 'F', f
dcubed@3202 2856 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2857 HOTSPOT_JNI_SETFLOATFIELD_RETURN())
dcubed@3202 2858 DEFINE_SETFIELD(jdouble, double, Double, 'D', d
dcubed@3202 2859 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2860 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN())
dcubed@3202 2861 #endif /* USDT2 */
dcubed@3202 2862
dcubed@3202 2863 #ifndef USDT2
duke@435 2864 DT_RETURN_MARK_DECL(ToReflectedField, jobject);
dcubed@3202 2865 #else /* USDT2 */
dcubed@3202 2866 DT_RETURN_MARK_DECL(ToReflectedField, jobject
dcubed@3202 2867 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref));
dcubed@3202 2868 #endif /* USDT2 */
duke@435 2869
duke@435 2870 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic))
duke@435 2871 JNIWrapper("ToReflectedField");
dcubed@3202 2872 #ifndef USDT2
duke@435 2873 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry,
duke@435 2874 env, cls, fieldID, isStatic);
dcubed@3202 2875 #else /* USDT2 */
dcubed@3202 2876 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY(
dcubed@3202 2877 env, cls, (uintptr_t) fieldID, isStatic);
dcubed@3202 2878 #endif /* USDT2 */
duke@435 2879 jobject ret = NULL;
duke@435 2880 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret);
duke@435 2881
duke@435 2882 fieldDescriptor fd;
duke@435 2883 bool found = false;
coleenp@4037 2884 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls));
duke@435 2885
duke@435 2886 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID");
duke@435 2887
duke@435 2888 if (isStatic) {
coleenp@4037 2889 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*.
duke@435 2890 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
duke@435 2891 assert(id->is_static_field_id(), "invalid static field id");
never@2658 2892 found = id->find_local_field(&fd);
duke@435 2893 } else {
duke@435 2894 // Non-static field. The fieldID is really the offset of the field within the instanceOop.
duke@435 2895 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
coleenp@4037 2896 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd);
duke@435 2897 }
duke@435 2898 assert(found, "bad fieldID passed into jni_ToReflectedField");
duke@435 2899 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL);
duke@435 2900 ret = JNIHandles::make_local(env, reflected);
duke@435 2901 return ret;
duke@435 2902 JNI_END
duke@435 2903
duke@435 2904
duke@435 2905 //
duke@435 2906 // Accessing Static Fields
duke@435 2907 //
dcubed@3202 2908 #ifndef USDT2
duke@435 2909 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID);
dcubed@3202 2910 #else /* USDT2 */
dcubed@3202 2911 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID
dcubed@3202 2912 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref));
dcubed@3202 2913 #endif /* USDT2 */
duke@435 2914
duke@435 2915 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz,
duke@435 2916 const char *name, const char *sig))
duke@435 2917 JNIWrapper("GetStaticFieldID");
dcubed@3202 2918 #ifndef USDT2
duke@435 2919 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig);
dcubed@3202 2920 #else /* USDT2 */
dcubed@3202 2921 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY(
dcubed@3202 2922 env, clazz, (char *) name, (char *) sig);
dcubed@3202 2923 #endif /* USDT2 */
duke@435 2924 jfieldID ret = NULL;
duke@435 2925 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret);
duke@435 2926
duke@435 2927 // The class should have been loaded (we have an instance of the class
duke@435 2928 // passed in) so the field and signature should already be in the symbol
duke@435 2929 // table. If they're not there, the field doesn't exist.
coleenp@2497 2930 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name));
coleenp@2497 2931 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig));
coleenp@2497 2932 if (fieldname == NULL || signame == NULL) {
duke@435 2933 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2934 }
duke@435 2935 KlassHandle k(THREAD,
coleenp@4037 2936 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 2937 // Make sure class is initialized before handing id's out to static fields
hseigel@4278 2938 k()->initialize(CHECK_NULL);
duke@435 2939
duke@435 2940 fieldDescriptor fd;
hseigel@4278 2941 if (!k()->oop_is_instance() ||
coleenp@4037 2942 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) {
duke@435 2943 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2944 }
duke@435 2945
coleenp@4037 2946 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass*
coleenp@4251 2947 JNIid* id = fd.field_holder()->jni_id_for(fd.offset());
duke@435 2948 debug_only(id->set_is_static_field_id();)
duke@435 2949
never@2658 2950 debug_only(id->verify(fd.field_holder()));
duke@435 2951
duke@435 2952 ret = jfieldIDWorkaround::to_static_jfieldID(id);
duke@435 2953 return ret;
duke@435 2954 JNI_END
duke@435 2955
duke@435 2956
duke@435 2957 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID))
duke@435 2958 JNIWrapper("GetStaticObjectField");
dcubed@3202 2959 #ifndef USDT2
duke@435 2960 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID);
dcubed@3202 2961 #else /* USDT2 */
dcubed@3202 2962 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY(
dcubed@3202 2963 env, clazz, (uintptr_t) fieldID);
dcubed@3202 2964 #endif /* USDT2 */
jprovino@4165 2965 #if INCLUDE_JNI_CHECK
coleenp@4037 2966 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);)
jprovino@4165 2967 #endif // INCLUDE_JNI_CHECK
duke@435 2968 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
duke@435 2969 assert(id->is_static_field_id(), "invalid static field id");
duke@435 2970 // Keep JVMTI addition small and only check enabled flag here.
duke@435 2971 // jni_GetField_probe() assumes that is okay to create handles.
duke@435 2972 if (JvmtiExport::should_post_field_access()) {
duke@435 2973 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true);
duke@435 2974 }
never@2658 2975 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset()));
dcubed@3202 2976 #ifndef USDT2
duke@435 2977 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret);
dcubed@3202 2978 #else /* USDT2 */
dcubed@3202 2979 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN(
dcubed@3202 2980 ret);
dcubed@3202 2981 #endif /* USDT2 */
duke@435 2982 return ret;
duke@435 2983 JNI_END
duke@435 2984
dcubed@3202 2985 #ifndef USDT2
duke@435 2986 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \
duke@435 2987 \
duke@435 2988 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\
duke@435 2989 \
duke@435 2990 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \
duke@435 2991 JNIWrapper("GetStatic" XSTR(Result) "Field"); \
duke@435 2992 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\
duke@435 2993 Return ret = 0;\
duke@435 2994 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \
duke@435 2995 (const Return&)ret);\
duke@435 2996 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
duke@435 2997 assert(id->is_static_field_id(), "invalid static field id"); \
duke@435 2998 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 2999 /* jni_GetField_probe() assumes that is okay to create handles. */ \
duke@435 3000 if (JvmtiExport::should_post_field_access()) { \
duke@435 3001 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \
duke@435 3002 } \
never@2658 3003 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \
duke@435 3004 return ret;\
duke@435 3005 JNI_END
duke@435 3006
duke@435 3007 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean)
duke@435 3008 DEFINE_GETSTATICFIELD(jbyte, byte, Byte)
duke@435 3009 DEFINE_GETSTATICFIELD(jchar, char, Char)
duke@435 3010 DEFINE_GETSTATICFIELD(jshort, short, Short)
duke@435 3011 DEFINE_GETSTATICFIELD(jint, int, Int)
duke@435 3012 DEFINE_GETSTATICFIELD(jlong, long, Long)
duke@435 3013 DEFINE_GETSTATICFIELD(jfloat, float, Float)
duke@435 3014 DEFINE_GETSTATICFIELD(jdouble, double, Double)
duke@435 3015
dcubed@3202 3016 #else /* USDT2 */
dcubed@3202 3017
dcubed@3202 3018 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \
dcubed@3202 3019 , EntryProbe, ReturnProbe) \
dcubed@3202 3020 \
dcubed@3202 3021 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \
dcubed@3202 3022 , ReturnProbe); \
dcubed@3202 3023 \
dcubed@3202 3024 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \
dcubed@3202 3025 JNIWrapper("GetStatic" XSTR(Result) "Field"); \
dcubed@3202 3026 EntryProbe; \
dcubed@3202 3027 Return ret = 0;\
dcubed@3202 3028 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \
dcubed@3202 3029 (const Return&)ret);\
dcubed@3202 3030 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
dcubed@3202 3031 assert(id->is_static_field_id(), "invalid static field id"); \
dcubed@3202 3032 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 3033 /* jni_GetField_probe() assumes that is okay to create handles. */ \
dcubed@3202 3034 if (JvmtiExport::should_post_field_access()) { \
dcubed@3202 3035 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \
dcubed@3202 3036 } \
dcubed@3202 3037 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \
dcubed@3202 3038 return ret;\
dcubed@3202 3039 JNI_END
dcubed@3202 3040
dcubed@3202 3041 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean
dcubed@3202 3042 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref))
dcubed@3202 3043 DEFINE_GETSTATICFIELD(jbyte, byte, Byte
dcubed@3202 3044 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) )
dcubed@3202 3045 DEFINE_GETSTATICFIELD(jchar, char, Char
dcubed@3202 3046 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) )
dcubed@3202 3047 DEFINE_GETSTATICFIELD(jshort, short, Short
dcubed@3202 3048 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) )
dcubed@3202 3049 DEFINE_GETSTATICFIELD(jint, int, Int
dcubed@3202 3050 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) )
dcubed@3202 3051 DEFINE_GETSTATICFIELD(jlong, long, Long
dcubed@3202 3052 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) )
dcubed@3202 3053 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 3054 DEFINE_GETSTATICFIELD(jfloat, float, Float
dcubed@3202 3055 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() )
dcubed@3202 3056 DEFINE_GETSTATICFIELD(jdouble, double, Double
dcubed@3202 3057 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() )
dcubed@3202 3058 #endif /* USDT2 */
duke@435 3059
duke@435 3060 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value))
duke@435 3061 JNIWrapper("SetStaticObjectField");
dcubed@3202 3062 #ifndef USDT2
duke@435 3063 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value);
dcubed@3202 3064 #else /* USDT2 */
dcubed@3202 3065 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY(
dcubed@3202 3066 env, clazz, (uintptr_t) fieldID, value);
dcubed@3202 3067 #endif /* USDT2 */
duke@435 3068 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
duke@435 3069 assert(id->is_static_field_id(), "invalid static field id");
duke@435 3070 // Keep JVMTI addition small and only check enabled flag here.
duke@435 3071 // jni_SetField_probe() assumes that is okay to create handles.
duke@435 3072 if (JvmtiExport::should_post_field_modification()) {
duke@435 3073 jvalue field_value;
duke@435 3074 field_value.l = value;
duke@435 3075 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value);
duke@435 3076 }
never@2658 3077 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value));
dcubed@3202 3078 #ifndef USDT2
duke@435 3079 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return);
dcubed@3202 3080 #else /* USDT2 */
dcubed@3202 3081 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN(
dcubed@3202 3082 );
dcubed@3202 3083 #endif /* USDT2 */
duke@435 3084 JNI_END
duke@435 3085
duke@435 3086
dcubed@3202 3087 #ifndef USDT2
duke@435 3088 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \
duke@435 3089 \
duke@435 3090 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \
duke@435 3091 JNIWrapper("SetStatic" XSTR(Result) "Field"); \
coleenp@4148 3092 FP_SELECT_##Result( \
coleenp@4148 3093 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \
coleenp@4148 3094 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \
duke@435 3095 \
duke@435 3096 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
duke@435 3097 assert(id->is_static_field_id(), "invalid static field id"); \
duke@435 3098 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 3099 /* jni_SetField_probe() assumes that is okay to create handles. */ \
duke@435 3100 if (JvmtiExport::should_post_field_modification()) { \
duke@435 3101 jvalue field_value; \
duke@435 3102 field_value.unionType = value; \
duke@435 3103 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \
duke@435 3104 } \
never@2658 3105 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \
duke@435 3106 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\
duke@435 3107 JNI_END
duke@435 3108
duke@435 3109 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z)
duke@435 3110 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b)
duke@435 3111 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c)
duke@435 3112 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s)
duke@435 3113 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i)
duke@435 3114 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j)
duke@435 3115 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f)
duke@435 3116 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d)
duke@435 3117
dcubed@3202 3118 #else /* USDT2 */
dcubed@3202 3119
dcubed@3202 3120 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \
dcubed@3202 3121 , EntryProbe, ReturnProbe) \
dcubed@3202 3122 \
dcubed@3202 3123 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \
dcubed@3202 3124 JNIWrapper("SetStatic" XSTR(Result) "Field"); \
dcubed@3202 3125 EntryProbe; \
dcubed@3202 3126 \
dcubed@3202 3127 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
dcubed@3202 3128 assert(id->is_static_field_id(), "invalid static field id"); \
dcubed@3202 3129 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 3130 /* jni_SetField_probe() assumes that is okay to create handles. */ \
dcubed@3202 3131 if (JvmtiExport::should_post_field_modification()) { \
dcubed@3202 3132 jvalue field_value; \
dcubed@3202 3133 field_value.unionType = value; \
dcubed@3202 3134 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \
dcubed@3202 3135 } \
kevinw@8368 3136 if (SigType == 'Z') { value = ((jboolean)value) & 1; } \
dcubed@3202 3137 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \
dcubed@3202 3138 ReturnProbe;\
dcubed@3202 3139 JNI_END
dcubed@3202 3140
dcubed@3202 3141 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z
sla@8189 3142 , HOTSPOT_JNI_SETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value),
dcubed@3202 3143 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN())
dcubed@3202 3144 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b
dcubed@3202 3145 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3146 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN())
dcubed@3202 3147 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c
dcubed@3202 3148 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3149 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN())
dcubed@3202 3150 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s
dcubed@3202 3151 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3152 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN())
dcubed@3202 3153 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i
dcubed@3202 3154 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3155 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN())
dcubed@3202 3156 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j
dcubed@3202 3157 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3158 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN())
dcubed@3202 3159 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 3160 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f
dcubed@3202 3161 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),
dcubed@3202 3162 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN())
dcubed@3202 3163 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d
dcubed@3202 3164 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),
dcubed@3202 3165 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN())
dcubed@3202 3166 #endif /* USDT2 */
duke@435 3167
duke@435 3168 //
duke@435 3169 // String Operations
duke@435 3170 //
duke@435 3171
duke@435 3172 // Unicode Interface
duke@435 3173
dcubed@3202 3174 #ifndef USDT2
duke@435 3175 DT_RETURN_MARK_DECL(NewString, jstring);
dcubed@3202 3176 #else /* USDT2 */
dcubed@3202 3177 DT_RETURN_MARK_DECL(NewString, jstring
dcubed@3202 3178 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref));
dcubed@3202 3179 #endif /* USDT2 */
duke@435 3180
duke@435 3181 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len))
duke@435 3182 JNIWrapper("NewString");
dcubed@3202 3183 #ifndef USDT2
duke@435 3184 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len);
dcubed@3202 3185 #else /* USDT2 */
dcubed@3202 3186 HOTSPOT_JNI_NEWSTRING_ENTRY(
dcubed@3202 3187 env, (uint16_t *) unicodeChars, len);
dcubed@3202 3188 #endif /* USDT2 */
duke@435 3189 jstring ret = NULL;
duke@435 3190 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret);
duke@435 3191 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL);
duke@435 3192 ret = (jstring) JNIHandles::make_local(env, string);
duke@435 3193 return ret;
duke@435 3194 JNI_END
duke@435 3195
duke@435 3196
duke@435 3197 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string))
duke@435 3198 JNIWrapper("GetStringLength");
dcubed@3202 3199 #ifndef USDT2
duke@435 3200 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string);
dcubed@3202 3201 #else /* USDT2 */
dcubed@3202 3202 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY(
dcubed@3202 3203 env, string);
dcubed@3202 3204 #endif /* USDT2 */
sla@5844 3205 jsize ret = 0;
sla@5844 3206 oop s = JNIHandles::resolve_non_null(string);
sla@5844 3207 if (java_lang_String::value(s) != NULL) {
sla@5844 3208 ret = java_lang_String::length(s);
sla@5844 3209 }
dcubed@3202 3210 #ifndef USDT2
duke@435 3211 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret);
dcubed@3202 3212 #else /* USDT2 */
dcubed@3202 3213 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN(
dcubed@3202 3214 ret);
dcubed@3202 3215 #endif /* USDT2 */
duke@435 3216 return ret;
duke@435 3217 JNI_END
duke@435 3218
duke@435 3219
duke@435 3220 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars(
duke@435 3221 JNIEnv *env, jstring string, jboolean *isCopy))
duke@435 3222 JNIWrapper("GetStringChars");
dcubed@3202 3223 #ifndef USDT2
duke@435 3224 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy);
dcubed@3202 3225 #else /* USDT2 */
dcubed@3202 3226 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY(
dcubed@3202 3227 env, string, (uintptr_t *) isCopy);
dcubed@3202 3228 #endif /* USDT2 */
sla@5844 3229 jchar* buf = NULL;
duke@435 3230 oop s = JNIHandles::resolve_non_null(string);
duke@435 3231 typeArrayOop s_value = java_lang_String::value(s);
sla@5844 3232 if (s_value != NULL) {
sla@5844 3233 int s_len = java_lang_String::length(s);
sla@5844 3234 int s_offset = java_lang_String::offset(s);
sla@5844 3235 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination
sla@5844 3236 /* JNI Specification states return NULL on OOM */
sla@5844 3237 if (buf != NULL) {
sla@5844 3238 if (s_len > 0) {
sla@5844 3239 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len);
sla@5844 3240 }
sla@5844 3241 buf[s_len] = 0;
sla@5844 3242 //%note jni_5
sla@5844 3243 if (isCopy != NULL) {
sla@5844 3244 *isCopy = JNI_TRUE;
sla@5844 3245 }
dsimms@5577 3246 }
duke@435 3247 }
dcubed@3202 3248 #ifndef USDT2
duke@435 3249 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf);
dcubed@3202 3250 #else /* USDT2 */
dcubed@3202 3251 HOTSPOT_JNI_GETSTRINGCHARS_RETURN(
dcubed@3202 3252 buf);
dcubed@3202 3253 #endif /* USDT2 */
duke@435 3254 return buf;
duke@435 3255 JNI_END
duke@435 3256
duke@435 3257
duke@435 3258 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars))
duke@435 3259 JNIWrapper("ReleaseStringChars");
dcubed@3202 3260 #ifndef USDT2
duke@435 3261 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars);
dcubed@3202 3262 #else /* USDT2 */
dcubed@3202 3263 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY(
dcubed@3202 3264 env, str, (uint16_t *) chars);
dcubed@3202 3265 #endif /* USDT2 */
duke@435 3266 //%note jni_6
duke@435 3267 if (chars != NULL) {
duke@435 3268 // Since String objects are supposed to be immutable, don't copy any
duke@435 3269 // new data back. A bad user will have to go after the char array.
duke@435 3270 FreeHeap((void*) chars);
duke@435 3271 }
dcubed@3202 3272 #ifndef USDT2
duke@435 3273 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return);
dcubed@3202 3274 #else /* USDT2 */
dcubed@3202 3275 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN(
dcubed@3202 3276 );
dcubed@3202 3277 #endif /* USDT2 */
duke@435 3278 JNI_END
duke@435 3279
duke@435 3280
duke@435 3281 // UTF Interface
duke@435 3282
dcubed@3202 3283 #ifndef USDT2
duke@435 3284 DT_RETURN_MARK_DECL(NewStringUTF, jstring);
dcubed@3202 3285 #else /* USDT2 */
dcubed@3202 3286 DT_RETURN_MARK_DECL(NewStringUTF, jstring
dcubed@3202 3287 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref));
dcubed@3202 3288 #endif /* USDT2 */
duke@435 3289
duke@435 3290 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes))
duke@435 3291 JNIWrapper("NewStringUTF");
dcubed@3202 3292 #ifndef USDT2
duke@435 3293 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes);
dcubed@3202 3294 #else /* USDT2 */
dcubed@3202 3295 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY(
dcubed@3202 3296 env, (char *) bytes);
dcubed@3202 3297 #endif /* USDT2 */
duke@435 3298 jstring ret;
duke@435 3299 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret);
duke@435 3300
duke@435 3301 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL);
duke@435 3302 ret = (jstring) JNIHandles::make_local(env, result);
duke@435 3303 return ret;
duke@435 3304 JNI_END
duke@435 3305
duke@435 3306
duke@435 3307 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string))
duke@435 3308 JNIWrapper("GetStringUTFLength");
dcubed@3202 3309 #ifndef USDT2
duke@435 3310 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string);
dcubed@3202 3311 #else /* USDT2 */
dcubed@3202 3312 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY(
dcubed@3202 3313 env, string);
dcubed@3202 3314 #endif /* USDT2 */
sla@5844 3315 jsize ret = 0;
sla@5844 3316 oop java_string = JNIHandles::resolve_non_null(string);
sla@5844 3317 if (java_lang_String::value(java_string) != NULL) {
sla@5844 3318 ret = java_lang_String::utf8_length(java_string);
sla@5844 3319 }
dcubed@3202 3320 #ifndef USDT2
duke@435 3321 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret);
dcubed@3202 3322 #else /* USDT2 */
dcubed@3202 3323 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN(
dcubed@3202 3324 ret);
dcubed@3202 3325 #endif /* USDT2 */
duke@435 3326 return ret;
duke@435 3327 JNI_END
duke@435 3328
duke@435 3329
duke@435 3330 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy))
duke@435 3331 JNIWrapper("GetStringUTFChars");
dcubed@3202 3332 #ifndef USDT2
duke@435 3333 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy);
dcubed@3202 3334 #else /* USDT2 */
dcubed@3202 3335 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY(
dcubed@3202 3336 env, string, (uintptr_t *) isCopy);
dcubed@3202 3337 #endif /* USDT2 */
sla@5844 3338 char* result = NULL;
sla@2331 3339 oop java_string = JNIHandles::resolve_non_null(string);
sla@5844 3340 if (java_lang_String::value(java_string) != NULL) {
sla@5844 3341 size_t length = java_lang_String::utf8_length(java_string);
sla@5844 3342 /* JNI Specification states return NULL on OOM */
sla@5844 3343 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL);
sla@5844 3344 if (result != NULL) {
sla@5844 3345 java_lang_String::as_utf8_string(java_string, result, (int) length + 1);
sla@5844 3346 if (isCopy != NULL) {
sla@5844 3347 *isCopy = JNI_TRUE;
sla@5844 3348 }
dsimms@5577 3349 }
dsimms@5577 3350 }
dcubed@3202 3351 #ifndef USDT2
duke@435 3352 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result);
dcubed@3202 3353 #else /* USDT2 */
dcubed@3202 3354 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN(
dcubed@3202 3355 result);
dcubed@3202 3356 #endif /* USDT2 */
duke@435 3357 return result;
duke@435 3358 JNI_END
duke@435 3359
duke@435 3360
duke@435 3361 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars))
duke@435 3362 JNIWrapper("ReleaseStringUTFChars");
dcubed@3202 3363 #ifndef USDT2
duke@435 3364 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars);
dcubed@3202 3365 #else /* USDT2 */
dcubed@3202 3366 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY(
dcubed@3202 3367 env, str, (char *) chars);
dcubed@3202 3368 #endif /* USDT2 */
duke@435 3369 if (chars != NULL) {
duke@435 3370 FreeHeap((char*) chars);
duke@435 3371 }
dcubed@3202 3372 #ifndef USDT2
duke@435 3373 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return);
dcubed@3202 3374 #else /* USDT2 */
dcubed@3202 3375 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN(
dcubed@3202 3376 );
dcubed@3202 3377 #endif /* USDT2 */
duke@435 3378 JNI_END
duke@435 3379
duke@435 3380
duke@435 3381 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array))
duke@435 3382 JNIWrapper("GetArrayLength");
dcubed@3202 3383 #ifndef USDT2
duke@435 3384 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array);
dcubed@3202 3385 #else /* USDT2 */
dcubed@3202 3386 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY(
dcubed@3202 3387 env, array);
dcubed@3202 3388 #endif /* USDT2 */
duke@435 3389 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array));
duke@435 3390 assert(a->is_array(), "must be array");
duke@435 3391 jsize ret = a->length();
dcubed@3202 3392 #ifndef USDT2
duke@435 3393 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret);
dcubed@3202 3394 #else /* USDT2 */
dcubed@3202 3395 HOTSPOT_JNI_GETARRAYLENGTH_RETURN(
dcubed@3202 3396 ret);
dcubed@3202 3397 #endif /* USDT2 */
duke@435 3398 return ret;
duke@435 3399 JNI_END
duke@435 3400
duke@435 3401
duke@435 3402 //
duke@435 3403 // Object Array Operations
duke@435 3404 //
duke@435 3405
dcubed@3202 3406 #ifndef USDT2
duke@435 3407 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray);
dcubed@3202 3408 #else /* USDT2 */
dcubed@3202 3409 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray
dcubed@3202 3410 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref));
dcubed@3202 3411 #endif /* USDT2 */
duke@435 3412
duke@435 3413 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement))
duke@435 3414 JNIWrapper("NewObjectArray");
dcubed@3202 3415 #ifndef USDT2
duke@435 3416 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement);
dcubed@3202 3417 #else /* USDT2 */
dcubed@3202 3418 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY(
dcubed@3202 3419 env, length, elementClass, initialElement);
dcubed@3202 3420 #endif /* USDT2 */
duke@435 3421 jobjectArray ret = NULL;
duke@435 3422 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret);
coleenp@4037 3423 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass)));
hseigel@4278 3424 Klass* ako = ek()->array_klass(CHECK_NULL);
duke@435 3425 KlassHandle ak = KlassHandle(THREAD, ako);
coleenp@4142 3426 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL);
coleenp@4142 3427 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL);
duke@435 3428 oop initial_value = JNIHandles::resolve(initialElement);
duke@435 3429 if (initial_value != NULL) { // array already initialized with NULL
duke@435 3430 for (int index = 0; index < length; index++) {
duke@435 3431 result->obj_at_put(index, initial_value);
duke@435 3432 }
duke@435 3433 }
duke@435 3434 ret = (jobjectArray) JNIHandles::make_local(env, result);
duke@435 3435 return ret;
duke@435 3436 JNI_END
duke@435 3437
dcubed@3202 3438 #ifndef USDT2
duke@435 3439 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject);
dcubed@3202 3440 #else /* USDT2 */
dcubed@3202 3441 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject
dcubed@3202 3442 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref));
dcubed@3202 3443 #endif /* USDT2 */
duke@435 3444
duke@435 3445 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index))
duke@435 3446 JNIWrapper("GetObjectArrayElement");
dcubed@3202 3447 #ifndef USDT2
duke@435 3448 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index);
dcubed@3202 3449 #else /* USDT2 */
dcubed@3202 3450 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY(
dcubed@3202 3451 env, array, index);
dcubed@3202 3452 #endif /* USDT2 */
duke@435 3453 jobject ret = NULL;
duke@435 3454 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret);
duke@435 3455 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array));
duke@435 3456 if (a->is_within_bounds(index)) {
kamg@1469 3457 ret = JNIHandles::make_local(env, a->obj_at(index));
duke@435 3458 return ret;
duke@435 3459 } else {
duke@435 3460 char buf[jintAsStringSize];
duke@435 3461 sprintf(buf, "%d", index);
duke@435 3462 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf);
duke@435 3463 }
duke@435 3464 JNI_END
duke@435 3465
dcubed@3202 3466 #ifndef USDT2
duke@435 3467 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement);
dcubed@3202 3468 #else /* USDT2 */
dcubed@3202 3469 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement
dcubed@3202 3470 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN());
dcubed@3202 3471 #endif /* USDT2 */
duke@435 3472
duke@435 3473 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value))
duke@435 3474 JNIWrapper("SetObjectArrayElement");
dcubed@3202 3475 #ifndef USDT2
duke@435 3476 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value);
dcubed@3202 3477 #else /* USDT2 */
dcubed@3202 3478 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY(
dcubed@3202 3479 env, array, index, value);
dcubed@3202 3480 #endif /* USDT2 */
duke@435 3481 DT_VOID_RETURN_MARK(SetObjectArrayElement);
duke@435 3482
duke@435 3483 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array));
duke@435 3484 oop v = JNIHandles::resolve(value);
duke@435 3485 if (a->is_within_bounds(index)) {
coleenp@4142 3486 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) {
duke@435 3487 a->obj_at_put(index, v);
duke@435 3488 } else {
duke@435 3489 THROW(vmSymbols::java_lang_ArrayStoreException());
duke@435 3490 }
duke@435 3491 } else {
duke@435 3492 char buf[jintAsStringSize];
duke@435 3493 sprintf(buf, "%d", index);
duke@435 3494 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf);
duke@435 3495 }
duke@435 3496 JNI_END
duke@435 3497
duke@435 3498
dcubed@3202 3499 #ifndef USDT2
duke@435 3500 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \
duke@435 3501 \
dcubed@3202 3502 DT_RETURN_MARK_DECL(New##Result##Array, Return); \
duke@435 3503 \
duke@435 3504 JNI_ENTRY(Return, \
duke@435 3505 jni_New##Result##Array(JNIEnv *env, jsize len)) \
duke@435 3506 JNIWrapper("New" XSTR(Result) "Array"); \
duke@435 3507 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\
duke@435 3508 Return ret = NULL;\
kamg@1469 3509 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\
duke@435 3510 \
duke@435 3511 oop obj= oopFactory::Allocator(len, CHECK_0); \
duke@435 3512 ret = (Return) JNIHandles::make_local(env, obj); \
duke@435 3513 return ret;\
duke@435 3514 JNI_END
duke@435 3515
duke@435 3516 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean)
duke@435 3517 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte)
duke@435 3518 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short)
duke@435 3519 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char)
duke@435 3520 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int)
duke@435 3521 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long)
duke@435 3522 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float)
duke@435 3523 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double)
duke@435 3524
dcubed@3202 3525 #else /* USDT2 */
dcubed@3202 3526
dcubed@3202 3527 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \
dcubed@3202 3528 ,EntryProbe,ReturnProbe) \
dcubed@3202 3529 \
dcubed@3202 3530 DT_RETURN_MARK_DECL(New##Result##Array, Return \
dcubed@3202 3531 , ReturnProbe); \
dcubed@3202 3532 \
dcubed@3202 3533 JNI_ENTRY(Return, \
dcubed@3202 3534 jni_New##Result##Array(JNIEnv *env, jsize len)) \
dcubed@3202 3535 JNIWrapper("New" XSTR(Result) "Array"); \
dcubed@3202 3536 EntryProbe; \
dcubed@3202 3537 Return ret = NULL;\
dcubed@3202 3538 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\
dcubed@3202 3539 \
dcubed@3202 3540 oop obj= oopFactory::Allocator(len, CHECK_0); \
dcubed@3202 3541 ret = (Return) JNIHandles::make_local(env, obj); \
dcubed@3202 3542 return ret;\
dcubed@3202 3543 JNI_END
dcubed@3202 3544
dcubed@3202 3545 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean,
dcubed@3202 3546 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len),
dcubed@3202 3547 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref))
dcubed@3202 3548 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte,
dcubed@3202 3549 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len),
dcubed@3202 3550 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref))
dcubed@3202 3551 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short,
dcubed@3202 3552 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len),
dcubed@3202 3553 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref))
dcubed@3202 3554 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char,
dcubed@3202 3555 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len),
dcubed@3202 3556 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref))
dcubed@3202 3557 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int,
dcubed@3202 3558 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len),
dcubed@3202 3559 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref))
dcubed@3202 3560 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long,
dcubed@3202 3561 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len),
dcubed@3202 3562 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref))
dcubed@3202 3563 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float,
dcubed@3202 3564 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len),
dcubed@3202 3565 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref))
dcubed@3202 3566 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double,
dcubed@3202 3567 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len),
dcubed@3202 3568 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref))
dcubed@3202 3569 #endif /* USDT2 */
duke@435 3570
duke@435 3571 // Return an address which will fault if the caller writes to it.
duke@435 3572
duke@435 3573 static char* get_bad_address() {
duke@435 3574 static char* bad_address = NULL;
duke@435 3575 if (bad_address == NULL) {
duke@435 3576 size_t size = os::vm_allocation_granularity();
duke@435 3577 bad_address = os::reserve_memory(size);
duke@435 3578 if (bad_address != NULL) {
coleenp@912 3579 os::protect_memory(bad_address, size, os::MEM_PROT_READ,
coleenp@912 3580 /*is_committed*/false);
zgu@7074 3581 MemTracker::record_virtual_memory_type((void*)bad_address, mtInternal);
duke@435 3582 }
duke@435 3583 }
duke@435 3584 return bad_address;
duke@435 3585 }
duke@435 3586
duke@435 3587
dcubed@3202 3588 #ifndef USDT2
duke@435 3589 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \
duke@435 3590 \
duke@435 3591 JNI_QUICK_ENTRY(ElementType*, \
duke@435 3592 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \
duke@435 3593 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \
duke@435 3594 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\
duke@435 3595 /* allocate an chunk of memory in c land */ \
duke@435 3596 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3597 ElementType* result; \
duke@435 3598 int len = a->length(); \
duke@435 3599 if (len == 0) { \
duke@435 3600 /* Empty array: legal but useless, can't return NULL. \
duke@435 3601 * Return a pointer to something useless. \
duke@435 3602 * Avoid asserts in typeArrayOop. */ \
duke@435 3603 result = (ElementType*)get_bad_address(); \
duke@435 3604 } else { \
dsimms@5577 3605 /* JNI Specification states return NULL on OOM */ \
dsimms@5577 3606 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \
dsimms@5577 3607 if (result != NULL) { \
dsimms@5577 3608 /* copy the array to the c chunk */ \
dsimms@5577 3609 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \
dsimms@5577 3610 if (isCopy) { \
dsimms@5577 3611 *isCopy = JNI_TRUE; \
dsimms@5577 3612 } \
dsimms@5577 3613 } \
duke@435 3614 } \
duke@435 3615 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\
duke@435 3616 return result; \
duke@435 3617 JNI_END
duke@435 3618
duke@435 3619 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool)
duke@435 3620 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte)
duke@435 3621 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short)
duke@435 3622 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char)
duke@435 3623 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int)
duke@435 3624 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long)
duke@435 3625 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float)
duke@435 3626 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double)
duke@435 3627
dcubed@3202 3628 #else /* USDT2 */
dcubed@3202 3629
dcubed@3202 3630 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \
dcubed@3202 3631 , EntryProbe, ReturnProbe) \
dcubed@3202 3632 \
dcubed@3202 3633 JNI_QUICK_ENTRY(ElementType*, \
dcubed@3202 3634 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \
dcubed@3202 3635 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \
dcubed@3202 3636 EntryProbe; \
dcubed@3202 3637 /* allocate an chunk of memory in c land */ \
dcubed@3202 3638 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3639 ElementType* result; \
dcubed@3202 3640 int len = a->length(); \
dcubed@3202 3641 if (len == 0) { \
dcubed@3202 3642 /* Empty array: legal but useless, can't return NULL. \
dcubed@3202 3643 * Return a pointer to something useless. \
dcubed@3202 3644 * Avoid asserts in typeArrayOop. */ \
dcubed@3202 3645 result = (ElementType*)get_bad_address(); \
dcubed@3202 3646 } else { \
dsimms@5577 3647 /* JNI Specification states return NULL on OOM */ \
dsimms@5577 3648 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \
dsimms@5577 3649 if (result != NULL) { \
dsimms@5577 3650 /* copy the array to the c chunk */ \
dsimms@5577 3651 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \
dsimms@5577 3652 if (isCopy) { \
dsimms@5577 3653 *isCopy = JNI_TRUE; \
dsimms@5577 3654 } \
dsimms@5577 3655 } \
dcubed@3202 3656 } \
dcubed@3202 3657 ReturnProbe; \
dcubed@3202 3658 return result; \
dcubed@3202 3659 JNI_END
dcubed@3202 3660
dcubed@3202 3661 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool
dcubed@3202 3662 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3663 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result))
dcubed@3202 3664 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte
dcubed@3202 3665 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3666 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result))
dcubed@3202 3667 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short
dcubed@3202 3668 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy),
dcubed@3202 3669 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result))
dcubed@3202 3670 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char
dcubed@3202 3671 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy),
dcubed@3202 3672 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result))
dcubed@3202 3673 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int
dcubed@3202 3674 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3675 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result))
dcubed@3202 3676 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long
dcubed@3202 3677 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3678 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result)))
dcubed@3202 3679 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 3680 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float
dcubed@3202 3681 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3682 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result))
dcubed@3202 3683 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double
dcubed@3202 3684 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3685 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result))
dcubed@3202 3686 #endif /* USDT2 */
dcubed@3202 3687
dcubed@3202 3688 #ifndef USDT2
duke@435 3689 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \
duke@435 3690 \
duke@435 3691 JNI_QUICK_ENTRY(void, \
duke@435 3692 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \
duke@435 3693 ElementType *buf, jint mode)) \
duke@435 3694 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \
duke@435 3695 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\
duke@435 3696 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3697 int len = a->length(); \
duke@435 3698 if (len != 0) { /* Empty array: nothing to free or copy. */ \
duke@435 3699 if ((mode == 0) || (mode == JNI_COMMIT)) { \
duke@435 3700 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \
duke@435 3701 } \
duke@435 3702 if ((mode == 0) || (mode == JNI_ABORT)) { \
duke@435 3703 FreeHeap(buf); \
duke@435 3704 } \
duke@435 3705 } \
duke@435 3706 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\
duke@435 3707 JNI_END
duke@435 3708
duke@435 3709 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool)
duke@435 3710 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte)
duke@435 3711 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short)
duke@435 3712 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char)
duke@435 3713 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int)
duke@435 3714 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long)
duke@435 3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float)
duke@435 3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double)
duke@435 3717
dcubed@3202 3718 #else /* USDT2 */
dcubed@3202 3719
dcubed@3202 3720 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \
dcubed@3202 3721 , EntryProbe, ReturnProbe);\
dcubed@3202 3722 \
dcubed@3202 3723 JNI_QUICK_ENTRY(void, \
dcubed@3202 3724 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \
dcubed@3202 3725 ElementType *buf, jint mode)) \
dcubed@3202 3726 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \
dcubed@3202 3727 EntryProbe; \
dcubed@3202 3728 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3729 int len = a->length(); \
dcubed@3202 3730 if (len != 0) { /* Empty array: nothing to free or copy. */ \
dcubed@3202 3731 if ((mode == 0) || (mode == JNI_COMMIT)) { \
dcubed@3202 3732 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \
dcubed@3202 3733 } \
dcubed@3202 3734 if ((mode == 0) || (mode == JNI_ABORT)) { \
dcubed@3202 3735 FreeHeap(buf); \
dcubed@3202 3736 } \
dcubed@3202 3737 } \
dcubed@3202 3738 ReturnProbe; \
dcubed@3202 3739 JNI_END
dcubed@3202 3740
dcubed@3202 3741 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool
dcubed@3202 3742 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode),
dcubed@3202 3743 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN())
dcubed@3202 3744 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte
dcubed@3202 3745 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode),
dcubed@3202 3746 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN())
dcubed@3202 3747 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short
dcubed@3202 3748 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode),
dcubed@3202 3749 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN())
dcubed@3202 3750 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char
dcubed@3202 3751 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode),
dcubed@3202 3752 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN())
dcubed@3202 3753 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int
dcubed@3202 3754 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode),
dcubed@3202 3755 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN())
dcubed@3202 3756 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long
dcubed@3202 3757 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode),
dcubed@3202 3758 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN())
dcubed@3202 3759 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float
dcubed@3202 3760 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode),
dcubed@3202 3761 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN())
dcubed@3202 3762 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double
dcubed@3202 3763 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode),
dcubed@3202 3764 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN())
dcubed@3202 3765 #endif /* USDT2 */
dcubed@3202 3766
dcubed@3202 3767 #ifndef USDT2
duke@435 3768 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \
duke@435 3769 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\
duke@435 3770 \
duke@435 3771 JNI_ENTRY(void, \
duke@435 3772 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
duke@435 3773 jsize len, ElementType *buf)) \
duke@435 3774 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \
duke@435 3775 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\
duke@435 3776 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \
duke@435 3777 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3778 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \
duke@435 3779 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
duke@435 3780 } else { \
duke@435 3781 if (len > 0) { \
coleenp@4142 3782 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \
duke@435 3783 memcpy((u_char*) buf, \
duke@435 3784 (u_char*) src->Tag##_at_addr(start), \
duke@435 3785 len << sc); \
duke@435 3786 } \
duke@435 3787 } \
duke@435 3788 JNI_END
duke@435 3789
duke@435 3790 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool)
duke@435 3791 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte)
duke@435 3792 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short)
duke@435 3793 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char)
duke@435 3794 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int)
duke@435 3795 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long)
duke@435 3796 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float)
duke@435 3797 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double)
duke@435 3798
dcubed@3202 3799 #else /* USDT2 */
dcubed@3202 3800
dcubed@3202 3801 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \
dcubed@3202 3802 , EntryProbe, ReturnProbe); \
dcubed@3202 3803 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \
dcubed@3202 3804 , ReturnProbe); \
dcubed@3202 3805 \
dcubed@3202 3806 JNI_ENTRY(void, \
dcubed@3202 3807 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
dcubed@3202 3808 jsize len, ElementType *buf)) \
dcubed@3202 3809 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \
dcubed@3202 3810 EntryProbe; \
dcubed@3202 3811 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \
dcubed@3202 3812 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3813 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \
dcubed@3202 3814 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
dcubed@3202 3815 } else { \
dcubed@3202 3816 if (len > 0) { \
coleenp@4142 3817 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \
dcubed@3202 3818 memcpy((u_char*) buf, \
dcubed@3202 3819 (u_char*) src->Tag##_at_addr(start), \
dcubed@3202 3820 len << sc); \
dcubed@3202 3821 } \
dcubed@3202 3822 } \
dcubed@3202 3823 JNI_END
dcubed@3202 3824
dcubed@3202 3825 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool
dcubed@3202 3826 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
dcubed@3202 3827 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN());
dcubed@3202 3828 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte
dcubed@3202 3829 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf),
dcubed@3202 3830 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN());
dcubed@3202 3831 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short
dcubed@3202 3832 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
dcubed@3202 3833 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN());
dcubed@3202 3834 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char
dcubed@3202 3835 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf),
dcubed@3202 3836 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN());
dcubed@3202 3837 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int
dcubed@3202 3838 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf),
dcubed@3202 3839 HOTSPOT_JNI_GETINTARRAYREGION_RETURN());
dcubed@3202 3840 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long
dcubed@3202 3841 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
dcubed@3202 3842 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN());
dcubed@3202 3843 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float
dcubed@3202 3844 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf),
dcubed@3202 3845 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN());
dcubed@3202 3846 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double
dcubed@3202 3847 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf),
dcubed@3202 3848 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN());
dcubed@3202 3849 #endif /* USDT2 */
dcubed@3202 3850
dcubed@3202 3851 #ifndef USDT2
duke@435 3852 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \
duke@435 3853 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\
duke@435 3854 \
duke@435 3855 JNI_ENTRY(void, \
duke@435 3856 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
duke@435 3857 jsize len, const ElementType *buf)) \
duke@435 3858 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \
duke@435 3859 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\
duke@435 3860 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \
duke@435 3861 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3862 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \
duke@435 3863 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
duke@435 3864 } else { \
duke@435 3865 if (len > 0) { \
coleenp@4142 3866 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \
duke@435 3867 memcpy((u_char*) dst->Tag##_at_addr(start), \
duke@435 3868 (u_char*) buf, \
duke@435 3869 len << sc); \
duke@435 3870 } \
duke@435 3871 } \
duke@435 3872 JNI_END
duke@435 3873
duke@435 3874 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool)
duke@435 3875 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte)
duke@435 3876 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short)
duke@435 3877 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char)
duke@435 3878 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int)
duke@435 3879 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long)
duke@435 3880 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float)
duke@435 3881 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double)
duke@435 3882
dcubed@3202 3883 #else /* USDT2 */
dcubed@3202 3884
dcubed@3202 3885 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \
dcubed@3202 3886 , EntryProbe, ReturnProbe); \
dcubed@3202 3887 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \
dcubed@3202 3888 ,ReturnProbe); \
dcubed@3202 3889 \
dcubed@3202 3890 JNI_ENTRY(void, \
dcubed@3202 3891 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
dcubed@3202 3892 jsize len, const ElementType *buf)) \
dcubed@3202 3893 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \
dcubed@3202 3894 EntryProbe; \
dcubed@3202 3895 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \
dcubed@3202 3896 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3897 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \
dcubed@3202 3898 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
dcubed@3202 3899 } else { \
dcubed@3202 3900 if (len > 0) { \
coleenp@4142 3901 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \
dcubed@3202 3902 memcpy((u_char*) dst->Tag##_at_addr(start), \
dcubed@3202 3903 (u_char*) buf, \
dcubed@3202 3904 len << sc); \
dcubed@3202 3905 } \
dcubed@3202 3906 } \
dcubed@3202 3907 JNI_END
dcubed@3202 3908
dcubed@3202 3909 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool
dcubed@3202 3910 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf),
dcubed@3202 3911 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN())
dcubed@3202 3912 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte
dcubed@3202 3913 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf),
dcubed@3202 3914 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN())
dcubed@3202 3915 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short
dcubed@3202 3916 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
dcubed@3202 3917 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN())
dcubed@3202 3918 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char
dcubed@3202 3919 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
dcubed@3202 3920 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN())
dcubed@3202 3921 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int
dcubed@3202 3922 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf),
dcubed@3202 3923 HOTSPOT_JNI_SETINTARRAYREGION_RETURN())
dcubed@3202 3924 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long
dcubed@3202 3925 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
dcubed@3202 3926 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN())
dcubed@3202 3927 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float
dcubed@3202 3928 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf),
dcubed@3202 3929 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN())
dcubed@3202 3930 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double
dcubed@3202 3931 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf),
dcubed@3202 3932 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN())
dcubed@3202 3933 #endif /* USDT2 */
dcubed@3202 3934
duke@435 3935
duke@435 3936 //
duke@435 3937 // Interception of natives
duke@435 3938 //
duke@435 3939
duke@435 3940 // The RegisterNatives call being attempted tried to register with a method that
duke@435 3941 // is not native. Ask JVM TI what prefixes have been specified. Then check
duke@435 3942 // to see if the native method is now wrapped with the prefixes. See the
duke@435 3943 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details.
coleenp@4037 3944 static Method* find_prefixed_native(KlassHandle k,
coleenp@2497 3945 Symbol* name, Symbol* signature, TRAPS) {
jprovino@4165 3946 #if INCLUDE_JVMTI
duke@435 3947 ResourceMark rm(THREAD);
coleenp@4037 3948 Method* method;
duke@435 3949 int name_len = name->utf8_length();
duke@435 3950 char* name_str = name->as_utf8();
duke@435 3951 int prefix_count;
duke@435 3952 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count);
duke@435 3953 for (int i = 0; i < prefix_count; i++) {
duke@435 3954 char* prefix = prefixes[i];
duke@435 3955 int prefix_len = (int)strlen(prefix);
duke@435 3956
duke@435 3957 // try adding this prefix to the method name and see if it matches another method name
duke@435 3958 int trial_len = name_len + prefix_len;
duke@435 3959 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1);
duke@435 3960 strcpy(trial_name_str, prefix);
duke@435 3961 strcat(trial_name_str, name_str);
coleenp@2497 3962 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len);
coleenp@2497 3963 if (trial_name == NULL) {
duke@435 3964 continue; // no such symbol, so this prefix wasn't used, try the next prefix
duke@435 3965 }
hseigel@4278 3966 method = k()->lookup_method(trial_name, signature);
duke@435 3967 if (method == NULL) {
duke@435 3968 continue; // signature doesn't match, try the next prefix
duke@435 3969 }
duke@435 3970 if (method->is_native()) {
duke@435 3971 method->set_is_prefixed_native();
duke@435 3972 return method; // wahoo, we found a prefixed version of the method, return it
duke@435 3973 }
duke@435 3974 // found as non-native, so prefix is good, add it, probably just need more prefixes
duke@435 3975 name_len = trial_len;
duke@435 3976 name_str = trial_name_str;
duke@435 3977 }
jprovino@4165 3978 #endif // INCLUDE_JVMTI
duke@435 3979 return NULL; // not found
duke@435 3980 }
duke@435 3981
coleenp@2497 3982 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) {
hseigel@4278 3983 Method* method = k()->lookup_method(name, signature);
duke@435 3984 if (method == NULL) {
duke@435 3985 ResourceMark rm;
duke@435 3986 stringStream st;
duke@435 3987 st.print("Method %s name or signature does not match",
hseigel@4278 3988 Method::name_and_sig_as_C_string(k(), name, signature));
duke@435 3989 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false);
duke@435 3990 }
duke@435 3991 if (!method->is_native()) {
duke@435 3992 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es)
duke@435 3993 method = find_prefixed_native(k, name, signature, THREAD);
duke@435 3994 if (method == NULL) {
duke@435 3995 ResourceMark rm;
duke@435 3996 stringStream st;
duke@435 3997 st.print("Method %s is not declared as native",
hseigel@4278 3998 Method::name_and_sig_as_C_string(k(), name, signature));
duke@435 3999 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false);
duke@435 4000 }
duke@435 4001 }
duke@435 4002
duke@435 4003 if (entry != NULL) {
duke@435 4004 method->set_native_function(entry,
coleenp@4037 4005 Method::native_bind_event_is_interesting);
duke@435 4006 } else {
duke@435 4007 method->clear_native_function();
duke@435 4008 }
duke@435 4009 if (PrintJNIResolving) {
duke@435 4010 ResourceMark rm(THREAD);
duke@435 4011 tty->print_cr("[Registering JNI native method %s.%s]",
coleenp@4251 4012 method->method_holder()->external_name(),
duke@435 4013 method->name()->as_C_string());
duke@435 4014 }
duke@435 4015 return true;
duke@435 4016 }
duke@435 4017
dcubed@3202 4018 #ifndef USDT2
duke@435 4019 DT_RETURN_MARK_DECL(RegisterNatives, jint);
dcubed@3202 4020 #else /* USDT2 */
dcubed@3202 4021 DT_RETURN_MARK_DECL(RegisterNatives, jint
dcubed@3202 4022 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref));
dcubed@3202 4023 #endif /* USDT2 */
duke@435 4024
duke@435 4025 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz,
duke@435 4026 const JNINativeMethod *methods,
duke@435 4027 jint nMethods))
duke@435 4028 JNIWrapper("RegisterNatives");
dcubed@3202 4029 #ifndef USDT2
duke@435 4030 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods);
dcubed@3202 4031 #else /* USDT2 */
dcubed@3202 4032 HOTSPOT_JNI_REGISTERNATIVES_ENTRY(
dcubed@3202 4033 env, clazz, (void *) methods, nMethods);
dcubed@3202 4034 #endif /* USDT2 */
duke@435 4035 jint ret = 0;
duke@435 4036 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret);
duke@435 4037
coleenp@4037 4038 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 4039
duke@435 4040 for (int index = 0; index < nMethods; index++) {
duke@435 4041 const char* meth_name = methods[index].name;
duke@435 4042 const char* meth_sig = methods[index].signature;
duke@435 4043 int meth_name_len = (int)strlen(meth_name);
duke@435 4044
duke@435 4045 // The class should have been loaded (we have an instance of the class
duke@435 4046 // passed in) so the method and signature should already be in the symbol
duke@435 4047 // table. If they're not there, the method doesn't exist.
coleenp@2497 4048 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len);
coleenp@2497 4049 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig));
coleenp@2497 4050
coleenp@2497 4051 if (name == NULL || signature == NULL) {
duke@435 4052 ResourceMark rm;
duke@435 4053 stringStream st;
hseigel@4278 4054 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig);
duke@435 4055 // Must return negative value on failure
duke@435 4056 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1);
duke@435 4057 }
duke@435 4058
duke@435 4059 bool res = register_native(h_k, name, signature,
duke@435 4060 (address) methods[index].fnPtr, THREAD);
duke@435 4061 if (!res) {
duke@435 4062 ret = -1;
duke@435 4063 break;
duke@435 4064 }
duke@435 4065 }
duke@435 4066 return ret;
duke@435 4067 JNI_END
duke@435 4068
duke@435 4069
duke@435 4070 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz))
duke@435 4071 JNIWrapper("UnregisterNatives");
dcubed@3202 4072 #ifndef USDT2
duke@435 4073 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz);
dcubed@3202 4074 #else /* USDT2 */
dcubed@3202 4075 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY(
dcubed@3202 4076 env, clazz);
dcubed@3202 4077 #endif /* USDT2 */
coleenp@4037 4078 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz));
duke@435 4079 //%note jni_2
hseigel@4278 4080 if (k->oop_is_instance()) {
coleenp@4037 4081 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) {
coleenp@4037 4082 Method* m = InstanceKlass::cast(k)->methods()->at(index);
duke@435 4083 if (m->is_native()) {
duke@435 4084 m->clear_native_function();
duke@435 4085 m->set_signature_handler(NULL);
duke@435 4086 }
duke@435 4087 }
duke@435 4088 }
dcubed@3202 4089 #ifndef USDT2
duke@435 4090 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0);
dcubed@3202 4091 #else /* USDT2 */
dcubed@3202 4092 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN(
dcubed@3202 4093 0);
dcubed@3202 4094 #endif /* USDT2 */
duke@435 4095 return 0;
duke@435 4096 JNI_END
duke@435 4097
duke@435 4098 //
duke@435 4099 // Monitor functions
duke@435 4100 //
duke@435 4101
dcubed@3202 4102 #ifndef USDT2
duke@435 4103 DT_RETURN_MARK_DECL(MonitorEnter, jint);
dcubed@3202 4104 #else /* USDT2 */
dcubed@3202 4105 DT_RETURN_MARK_DECL(MonitorEnter, jint
dcubed@3202 4106 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref));
dcubed@3202 4107 #endif /* USDT2 */
duke@435 4108
duke@435 4109 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj))
dcubed@3202 4110 #ifndef USDT2
duke@435 4111 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj);
dcubed@3202 4112 #else /* USDT2 */
dcubed@3202 4113 HOTSPOT_JNI_MONITORENTER_ENTRY(
dcubed@3202 4114 env, jobj);
dcubed@3202 4115 #endif /* USDT2 */
duke@435 4116 jint ret = JNI_ERR;
duke@435 4117 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret);
duke@435 4118
duke@435 4119 // If the object is null, we can't do anything with it
duke@435 4120 if (jobj == NULL) {
duke@435 4121 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR);
duke@435 4122 }
duke@435 4123
duke@435 4124 Handle obj(thread, JNIHandles::resolve_non_null(jobj));
duke@435 4125 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR));
duke@435 4126 ret = JNI_OK;
duke@435 4127 return ret;
duke@435 4128 JNI_END
duke@435 4129
dcubed@3202 4130 #ifndef USDT2
duke@435 4131 DT_RETURN_MARK_DECL(MonitorExit, jint);
dcubed@3202 4132 #else /* USDT2 */
dcubed@3202 4133 DT_RETURN_MARK_DECL(MonitorExit, jint
dcubed@3202 4134 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref));
dcubed@3202 4135 #endif /* USDT2 */
duke@435 4136
duke@435 4137 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj))
dcubed@3202 4138 #ifndef USDT2
duke@435 4139 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj);
dcubed@3202 4140 #else /* USDT2 */
dcubed@3202 4141 HOTSPOT_JNI_MONITOREXIT_ENTRY(
dcubed@3202 4142 env, jobj);
dcubed@3202 4143 #endif /* USDT2 */
duke@435 4144 jint ret = JNI_ERR;
duke@435 4145 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret);
duke@435 4146
duke@435 4147 // Don't do anything with a null object
duke@435 4148 if (jobj == NULL) {
duke@435 4149 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR);
duke@435 4150 }
duke@435 4151
duke@435 4152 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj));
duke@435 4153 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR));
duke@435 4154
duke@435 4155 ret = JNI_OK;
duke@435 4156 return ret;
duke@435 4157 JNI_END
duke@435 4158
duke@435 4159 //
duke@435 4160 // Extensions
duke@435 4161 //
duke@435 4162
dcubed@3202 4163 #ifndef USDT2
duke@435 4164 DT_VOID_RETURN_MARK_DECL(GetStringRegion);
dcubed@3202 4165 #else /* USDT2 */
dcubed@3202 4166 DT_VOID_RETURN_MARK_DECL(GetStringRegion
dcubed@3202 4167 , HOTSPOT_JNI_GETSTRINGREGION_RETURN());
dcubed@3202 4168 #endif /* USDT2 */
duke@435 4169
duke@435 4170 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf))
duke@435 4171 JNIWrapper("GetStringRegion");
dcubed@3202 4172 #ifndef USDT2
duke@435 4173 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf);
dcubed@3202 4174 #else /* USDT2 */
dcubed@3202 4175 HOTSPOT_JNI_GETSTRINGREGION_ENTRY(
dcubed@3202 4176 env, string, start, len, buf);
dcubed@3202 4177 #endif /* USDT2 */
duke@435 4178 DT_VOID_RETURN_MARK(GetStringRegion);
duke@435 4179 oop s = JNIHandles::resolve_non_null(string);
duke@435 4180 int s_len = java_lang_String::length(s);
duke@435 4181 if (start < 0 || len < 0 || start + len > s_len) {
duke@435 4182 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException());
duke@435 4183 } else {
duke@435 4184 if (len > 0) {
duke@435 4185 int s_offset = java_lang_String::offset(s);
duke@435 4186 typeArrayOop s_value = java_lang_String::value(s);
duke@435 4187 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len);
duke@435 4188 }
duke@435 4189 }
duke@435 4190 JNI_END
duke@435 4191
dcubed@3202 4192 #ifndef USDT2
duke@435 4193 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion);
dcubed@3202 4194 #else /* USDT2 */
dcubed@3202 4195 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion
dcubed@3202 4196 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN());
dcubed@3202 4197 #endif /* USDT2 */
duke@435 4198
duke@435 4199 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf))
duke@435 4200 JNIWrapper("GetStringUTFRegion");
dcubed@3202 4201 #ifndef USDT2
duke@435 4202 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf);
dcubed@3202 4203 #else /* USDT2 */
dcubed@3202 4204 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY(
dcubed@3202 4205 env, string, start, len, buf);
dcubed@3202 4206 #endif /* USDT2 */
duke@435 4207 DT_VOID_RETURN_MARK(GetStringUTFRegion);
duke@435 4208 oop s = JNIHandles::resolve_non_null(string);
duke@435 4209 int s_len = java_lang_String::length(s);
duke@435 4210 if (start < 0 || len < 0 || start + len > s_len) {
duke@435 4211 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException());
duke@435 4212 } else {
duke@435 4213 //%note jni_7
duke@435 4214 if (len > 0) {
duke@435 4215 ResourceMark rm(THREAD);
duke@435 4216 char *utf_region = java_lang_String::as_utf8_string(s, start, len);
duke@435 4217 int utf_len = (int)strlen(utf_region);
duke@435 4218 memcpy(buf, utf_region, utf_len);
duke@435 4219 buf[utf_len] = 0;
duke@435 4220 } else {
duke@435 4221 // JDK null-terminates the buffer even in len is zero
duke@435 4222 if (buf != NULL) {
duke@435 4223 buf[0] = 0;
duke@435 4224 }
duke@435 4225 }
duke@435 4226 }
duke@435 4227 JNI_END
duke@435 4228
duke@435 4229
duke@435 4230 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy))
duke@435 4231 JNIWrapper("GetPrimitiveArrayCritical");
dcubed@3202 4232 #ifndef USDT2
duke@435 4233 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy);
dcubed@3202 4234 #else /* USDT2 */
dcubed@3202 4235 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY(
dcubed@3202 4236 env, array, (uintptr_t *) isCopy);
dcubed@3202 4237 #endif /* USDT2 */
duke@435 4238 GC_locker::lock_critical(thread);
duke@435 4239 if (isCopy != NULL) {
duke@435 4240 *isCopy = JNI_FALSE;
duke@435 4241 }
duke@435 4242 oop a = JNIHandles::resolve_non_null(array);
duke@435 4243 assert(a->is_array(), "just checking");
duke@435 4244 BasicType type;
duke@435 4245 if (a->is_objArray()) {
duke@435 4246 type = T_OBJECT;
duke@435 4247 } else {
coleenp@4142 4248 type = TypeArrayKlass::cast(a->klass())->element_type();
duke@435 4249 }
duke@435 4250 void* ret = arrayOop(a)->base(type);
dcubed@3202 4251 #ifndef USDT2
duke@435 4252 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret);
dcubed@3202 4253 #else /* USDT2 */
dcubed@3202 4254 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN(
dcubed@3202 4255 ret);
dcubed@3202 4256 #endif /* USDT2 */
duke@435 4257 return ret;
duke@435 4258 JNI_END
duke@435 4259
duke@435 4260
duke@435 4261 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode))
duke@435 4262 JNIWrapper("ReleasePrimitiveArrayCritical");
dcubed@3202 4263 #ifndef USDT2
duke@435 4264 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode);
dcubed@3202 4265 #else /* USDT2 */
dcubed@3202 4266 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY(
dcubed@3202 4267 env, array, carray, mode);
dcubed@3202 4268 #endif /* USDT2 */
duke@435 4269 // The array, carray and mode arguments are ignored
duke@435 4270 GC_locker::unlock_critical(thread);
dcubed@3202 4271 #ifndef USDT2
duke@435 4272 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return);
dcubed@3202 4273 #else /* USDT2 */
dcubed@3202 4274 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN(
dcubed@3202 4275 );
dcubed@3202 4276 #endif /* USDT2 */
duke@435 4277 JNI_END
duke@435 4278
duke@435 4279
duke@435 4280 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy))
duke@435 4281 JNIWrapper("GetStringCritical");
dcubed@3202 4282 #ifndef USDT2
duke@435 4283 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy);
dcubed@3202 4284 #else /* USDT2 */
dcubed@3202 4285 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY(
dcubed@3202 4286 env, string, (uintptr_t *) isCopy);
dcubed@3202 4287 #endif /* USDT2 */
duke@435 4288 GC_locker::lock_critical(thread);
duke@435 4289 if (isCopy != NULL) {
duke@435 4290 *isCopy = JNI_FALSE;
duke@435 4291 }
duke@435 4292 oop s = JNIHandles::resolve_non_null(string);
duke@435 4293 int s_len = java_lang_String::length(s);
duke@435 4294 typeArrayOop s_value = java_lang_String::value(s);
duke@435 4295 int s_offset = java_lang_String::offset(s);
duke@435 4296 const jchar* ret;
duke@435 4297 if (s_len > 0) {
duke@435 4298 ret = s_value->char_at_addr(s_offset);
duke@435 4299 } else {
duke@435 4300 ret = (jchar*) s_value->base(T_CHAR);
duke@435 4301 }
dcubed@3202 4302 #ifndef USDT2
duke@435 4303 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret);
dcubed@3202 4304 #else /* USDT2 */
dcubed@3202 4305 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN(
dcubed@3202 4306 (uint16_t *) ret);
dcubed@3202 4307 #endif /* USDT2 */
duke@435 4308 return ret;
duke@435 4309 JNI_END
duke@435 4310
duke@435 4311
duke@435 4312 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars))
duke@435 4313 JNIWrapper("ReleaseStringCritical");
dcubed@3202 4314 #ifndef USDT2
duke@435 4315 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars);
dcubed@3202 4316 #else /* USDT2 */
dcubed@3202 4317 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY(
dcubed@3202 4318 env, str, (uint16_t *) chars);
dcubed@3202 4319 #endif /* USDT2 */
duke@435 4320 // The str and chars arguments are ignored
duke@435 4321 GC_locker::unlock_critical(thread);
dcubed@3202 4322 #ifndef USDT2
duke@435 4323 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return);
dcubed@3202 4324 #else /* USDT2 */
dcubed@3202 4325 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN(
dcubed@3202 4326 );
dcubed@3202 4327 #endif /* USDT2 */
duke@435 4328 JNI_END
duke@435 4329
duke@435 4330
duke@435 4331 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref))
duke@435 4332 JNIWrapper("jni_NewWeakGlobalRef");
dcubed@3202 4333 #ifndef USDT2
duke@435 4334 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref);
dcubed@3202 4335 #else /* USDT2 */
dcubed@3202 4336 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY(
dcubed@3202 4337 env, ref);
dcubed@3202 4338 #endif /* USDT2 */
duke@435 4339 Handle ref_handle(thread, JNIHandles::resolve(ref));
duke@435 4340 jweak ret = JNIHandles::make_weak_global(ref_handle);
dcubed@3202 4341 #ifndef USDT2
duke@435 4342 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret);
dcubed@3202 4343 #else /* USDT2 */
dcubed@3202 4344 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN(
dcubed@3202 4345 ret);
dcubed@3202 4346 #endif /* USDT2 */
duke@435 4347 return ret;
duke@435 4348 JNI_END
duke@435 4349
duke@435 4350 // Must be JNI_ENTRY (with HandleMark)
duke@435 4351 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref))
duke@435 4352 JNIWrapper("jni_DeleteWeakGlobalRef");
dcubed@3202 4353 #ifndef USDT2
duke@435 4354 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref);
dcubed@3202 4355 #else /* USDT2 */
dcubed@3202 4356 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY(
dcubed@3202 4357 env, ref);
dcubed@3202 4358 #endif /* USDT2 */
duke@435 4359 JNIHandles::destroy_weak_global(ref);
dcubed@3202 4360 #ifndef USDT2
duke@435 4361 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return);
dcubed@3202 4362 #else /* USDT2 */
dcubed@3202 4363 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN(
dcubed@3202 4364 );
dcubed@3202 4365 #endif /* USDT2 */
duke@435 4366 JNI_END
duke@435 4367
duke@435 4368
duke@435 4369 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env))
duke@435 4370 JNIWrapper("jni_ExceptionCheck");
dcubed@3202 4371 #ifndef USDT2
duke@435 4372 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env);
dcubed@3202 4373 #else /* USDT2 */
dcubed@3202 4374 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY(
dcubed@3202 4375 env);
dcubed@3202 4376 #endif /* USDT2 */
duke@435 4377 jni_check_async_exceptions(thread);
duke@435 4378 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE;
dcubed@3202 4379 #ifndef USDT2
duke@435 4380 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret);
dcubed@3202 4381 #else /* USDT2 */
dcubed@3202 4382 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN(
dcubed@3202 4383 ret);
dcubed@3202 4384 #endif /* USDT2 */
duke@435 4385 return ret;
duke@435 4386 JNI_END
duke@435 4387
duke@435 4388
duke@435 4389 // Initialization state for three routines below relating to
duke@435 4390 // java.nio.DirectBuffers
duke@435 4391 static jint directBufferSupportInitializeStarted = 0;
duke@435 4392 static volatile jint directBufferSupportInitializeEnded = 0;
duke@435 4393 static volatile jint directBufferSupportInitializeFailed = 0;
duke@435 4394 static jclass bufferClass = NULL;
duke@435 4395 static jclass directBufferClass = NULL;
duke@435 4396 static jclass directByteBufferClass = NULL;
duke@435 4397 static jmethodID directByteBufferConstructor = NULL;
duke@435 4398 static jfieldID directBufferAddressField = NULL;
duke@435 4399 static jfieldID bufferCapacityField = NULL;
duke@435 4400
duke@435 4401 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) {
duke@435 4402 Handle loader; // null (bootstrap) loader
duke@435 4403 Handle protection_domain; // null protection domain
duke@435 4404
coleenp@2497 4405 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL);
acorn@1092 4406 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL);
acorn@1092 4407
acorn@1092 4408 if (TraceClassResolution && result != NULL) {
coleenp@4037 4409 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result)));
acorn@1092 4410 }
acorn@1092 4411 return result;
duke@435 4412 }
duke@435 4413
duke@435 4414 // These lookups are done with the NULL (bootstrap) ClassLoader to
duke@435 4415 // circumvent any security checks that would be done by jni_FindClass.
duke@435 4416 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env))
duke@435 4417 {
duke@435 4418 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; }
duke@435 4419 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; }
duke@435 4420 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; }
duke@435 4421 return true;
duke@435 4422 }
duke@435 4423 JNI_END
duke@435 4424
duke@435 4425
duke@435 4426 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) {
duke@435 4427 if (directBufferSupportInitializeFailed) {
duke@435 4428 return false;
duke@435 4429 }
duke@435 4430
duke@435 4431 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) {
duke@435 4432 if (!lookupDirectBufferClasses(env)) {
duke@435 4433 directBufferSupportInitializeFailed = 1;
duke@435 4434 return false;
duke@435 4435 }
duke@435 4436
duke@435 4437 // Make global references for these
duke@435 4438 bufferClass = (jclass) env->NewGlobalRef(bufferClass);
duke@435 4439 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass);
duke@435 4440 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass);
duke@435 4441
duke@435 4442 // Get needed field and method IDs
duke@435 4443 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V");
ccheung@6346 4444 if (env->ExceptionCheck()) {
ccheung@6346 4445 env->ExceptionClear();
ccheung@6346 4446 directBufferSupportInitializeFailed = 1;
ccheung@6346 4447 return false;
ccheung@6346 4448 }
duke@435 4449 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J");
ccheung@6346 4450 if (env->ExceptionCheck()) {
ccheung@6346 4451 env->ExceptionClear();
ccheung@6346 4452 directBufferSupportInitializeFailed = 1;
ccheung@6346 4453 return false;
ccheung@6346 4454 }
duke@435 4455 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I");
ccheung@6346 4456 if (env->ExceptionCheck()) {
ccheung@6346 4457 env->ExceptionClear();
ccheung@6346 4458 directBufferSupportInitializeFailed = 1;
ccheung@6346 4459 return false;
ccheung@6346 4460 }
duke@435 4461
duke@435 4462 if ((directByteBufferConstructor == NULL) ||
duke@435 4463 (directBufferAddressField == NULL) ||
duke@435 4464 (bufferCapacityField == NULL)) {
duke@435 4465 directBufferSupportInitializeFailed = 1;
duke@435 4466 return false;
duke@435 4467 }
duke@435 4468
duke@435 4469 directBufferSupportInitializeEnded = 1;
duke@435 4470 } else {
duke@435 4471 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) {
xlu@956 4472 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls
xlu@956 4473 // os::sleep which requires the VM state transition. On other platforms, it
xlu@956 4474 // is not necessary. The following call to change the VM state is purposely
xlu@956 4475 // put inside the loop to avoid potential deadlock when multiple threads
xlu@956 4476 // try to call this method. See 6791815 for more details.
xlu@956 4477 ThreadInVMfromNative tivn(thread);
duke@435 4478 os::yield_all();
duke@435 4479 }
duke@435 4480 }
duke@435 4481
duke@435 4482 return !directBufferSupportInitializeFailed;
duke@435 4483 }
duke@435 4484
duke@435 4485 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity)
duke@435 4486 {
duke@435 4487 // thread_from_jni_environment() will block if VM is gone.
duke@435 4488 JavaThread* thread = JavaThread::thread_from_jni_environment(env);
duke@435 4489
duke@435 4490 JNIWrapper("jni_NewDirectByteBuffer");
dcubed@3202 4491 #ifndef USDT2
duke@435 4492 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity);
dcubed@3202 4493 #else /* USDT2 */
dcubed@3202 4494 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY(
dcubed@3202 4495 env, address, capacity);
dcubed@3202 4496 #endif /* USDT2 */
duke@435 4497
duke@435 4498 if (!directBufferSupportInitializeEnded) {
duke@435 4499 if (!initializeDirectBufferSupport(env, thread)) {
dcubed@3202 4500 #ifndef USDT2
duke@435 4501 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL);
dcubed@3202 4502 #else /* USDT2 */
dcubed@3202 4503 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(
dcubed@3202 4504 NULL);
dcubed@3202 4505 #endif /* USDT2 */
duke@435 4506 return NULL;
duke@435 4507 }
duke@435 4508 }
duke@435 4509
duke@435 4510 // Being paranoid about accidental sign extension on address
duke@435 4511 jlong addr = (jlong) ((uintptr_t) address);
duke@435 4512 // NOTE that package-private DirectByteBuffer constructor currently
duke@435 4513 // takes int capacity
duke@435 4514 jint cap = (jint) capacity;
duke@435 4515 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap);
dcubed@3202 4516 #ifndef USDT2
duke@435 4517 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret);
dcubed@3202 4518 #else /* USDT2 */
dcubed@3202 4519 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(
dcubed@3202 4520 ret);
dcubed@3202 4521 #endif /* USDT2 */
duke@435 4522 return ret;
duke@435 4523 }
duke@435 4524
dcubed@3202 4525 #ifndef USDT2
duke@435 4526 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*);
dcubed@3202 4527 #else /* USDT2 */
dcubed@3202 4528 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*
dcubed@3202 4529 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref));
dcubed@3202 4530 #endif /* USDT2 */
duke@435 4531
duke@435 4532 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf)
duke@435 4533 {
duke@435 4534 // thread_from_jni_environment() will block if VM is gone.
duke@435 4535 JavaThread* thread = JavaThread::thread_from_jni_environment(env);
duke@435 4536
duke@435 4537 JNIWrapper("jni_GetDirectBufferAddress");
dcubed@3202 4538 #ifndef USDT2
duke@435 4539 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf);
dcubed@3202 4540 #else /* USDT2 */
dcubed@3202 4541 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY(
dcubed@3202 4542 env, buf);
dcubed@3202 4543 #endif /* USDT2 */
duke@435 4544 void* ret = NULL;
duke@435 4545 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret);
duke@435 4546
duke@435 4547 if (!directBufferSupportInitializeEnded) {
duke@435 4548 if (!initializeDirectBufferSupport(env, thread)) {
duke@435 4549 return 0;
duke@435 4550 }
duke@435 4551 }
duke@435 4552
duke@435 4553 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) {
duke@435 4554 return 0;
duke@435 4555 }
duke@435 4556
duke@435 4557 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField);
duke@435 4558 return ret;
duke@435 4559 }
duke@435 4560
dcubed@3202 4561 #ifndef USDT2
duke@435 4562 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong);
dcubed@3202 4563 #else /* USDT2 */
dcubed@3202 4564 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong
dcubed@3202 4565 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref));
dcubed@3202 4566 #endif /* USDT2 */
duke@435 4567
duke@435 4568 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf)
duke@435 4569 {
duke@435 4570 // thread_from_jni_environment() will block if VM is gone.
duke@435 4571 JavaThread* thread = JavaThread::thread_from_jni_environment(env);
duke@435 4572
duke@435 4573 JNIWrapper("jni_GetDirectBufferCapacity");
dcubed@3202 4574 #ifndef USDT2
duke@435 4575 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf);
dcubed@3202 4576 #else /* USDT2 */
dcubed@3202 4577 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY(
dcubed@3202 4578 env, buf);
dcubed@3202 4579 #endif /* USDT2 */
duke@435 4580 jlong ret = -1;
duke@435 4581 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret);
duke@435 4582
duke@435 4583 if (!directBufferSupportInitializeEnded) {
duke@435 4584 if (!initializeDirectBufferSupport(env, thread)) {
duke@435 4585 ret = 0;
duke@435 4586 return ret;
duke@435 4587 }
duke@435 4588 }
duke@435 4589
duke@435 4590 if (buf == NULL) {
duke@435 4591 return -1;
duke@435 4592 }
duke@435 4593
duke@435 4594 if (!env->IsInstanceOf(buf, directBufferClass)) {
duke@435 4595 return -1;
duke@435 4596 }
duke@435 4597
duke@435 4598 // NOTE that capacity is currently an int in the implementation
duke@435 4599 ret = env->GetIntField(buf, bufferCapacityField);
duke@435 4600 return ret;
duke@435 4601 }
duke@435 4602
duke@435 4603
duke@435 4604 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env))
duke@435 4605 JNIWrapper("GetVersion");
dcubed@3202 4606 #ifndef USDT2
duke@435 4607 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env);
dcubed@3202 4608 #else /* USDT2 */
dcubed@3202 4609 HOTSPOT_JNI_GETVERSION_ENTRY(
dcubed@3202 4610 env);
dcubed@3202 4611 #endif /* USDT2 */
dcubed@3202 4612 #ifndef USDT2
duke@435 4613 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion);
dcubed@3202 4614 #else /* USDT2 */
dcubed@3202 4615 HOTSPOT_JNI_GETVERSION_RETURN(
dcubed@3202 4616 CurrentVersion);
dcubed@3202 4617 #endif /* USDT2 */
duke@435 4618 return CurrentVersion;
duke@435 4619 JNI_END
duke@435 4620
duke@435 4621 extern struct JavaVM_ main_vm;
duke@435 4622
duke@435 4623 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm))
duke@435 4624 JNIWrapper("jni_GetJavaVM");
dcubed@3202 4625 #ifndef USDT2
duke@435 4626 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm);
dcubed@3202 4627 #else /* USDT2 */
dcubed@3202 4628 HOTSPOT_JNI_GETJAVAVM_ENTRY(
dcubed@3202 4629 env, (void **) vm);
dcubed@3202 4630 #endif /* USDT2 */
duke@435 4631 *vm = (JavaVM *)(&main_vm);
dcubed@3202 4632 #ifndef USDT2
duke@435 4633 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK);
dcubed@3202 4634 #else /* USDT2 */
dcubed@3202 4635 HOTSPOT_JNI_GETJAVAVM_RETURN(
dcubed@3202 4636 JNI_OK);
dcubed@3202 4637 #endif /* USDT2 */
duke@435 4638 return JNI_OK;
duke@435 4639 JNI_END
duke@435 4640
duke@435 4641 // Structure containing all jni functions
duke@435 4642 struct JNINativeInterface_ jni_NativeInterface = {
duke@435 4643 NULL,
duke@435 4644 NULL,
duke@435 4645 NULL,
duke@435 4646
duke@435 4647 NULL,
duke@435 4648
duke@435 4649 jni_GetVersion,
duke@435 4650
duke@435 4651 jni_DefineClass,
duke@435 4652 jni_FindClass,
duke@435 4653
duke@435 4654 jni_FromReflectedMethod,
duke@435 4655 jni_FromReflectedField,
duke@435 4656
duke@435 4657 jni_ToReflectedMethod,
duke@435 4658
duke@435 4659 jni_GetSuperclass,
duke@435 4660 jni_IsAssignableFrom,
duke@435 4661
duke@435 4662 jni_ToReflectedField,
duke@435 4663
duke@435 4664 jni_Throw,
duke@435 4665 jni_ThrowNew,
duke@435 4666 jni_ExceptionOccurred,
duke@435 4667 jni_ExceptionDescribe,
duke@435 4668 jni_ExceptionClear,
duke@435 4669 jni_FatalError,
duke@435 4670
duke@435 4671 jni_PushLocalFrame,
duke@435 4672 jni_PopLocalFrame,
duke@435 4673
duke@435 4674 jni_NewGlobalRef,
duke@435 4675 jni_DeleteGlobalRef,
duke@435 4676 jni_DeleteLocalRef,
duke@435 4677 jni_IsSameObject,
duke@435 4678
duke@435 4679 jni_NewLocalRef,
duke@435 4680 jni_EnsureLocalCapacity,
duke@435 4681
duke@435 4682 jni_AllocObject,
duke@435 4683 jni_NewObject,
duke@435 4684 jni_NewObjectV,
duke@435 4685 jni_NewObjectA,
duke@435 4686
duke@435 4687 jni_GetObjectClass,
duke@435 4688 jni_IsInstanceOf,
duke@435 4689
duke@435 4690 jni_GetMethodID,
duke@435 4691
duke@435 4692 jni_CallObjectMethod,
duke@435 4693 jni_CallObjectMethodV,
duke@435 4694 jni_CallObjectMethodA,
duke@435 4695 jni_CallBooleanMethod,
duke@435 4696 jni_CallBooleanMethodV,
duke@435 4697 jni_CallBooleanMethodA,
duke@435 4698 jni_CallByteMethod,
duke@435 4699 jni_CallByteMethodV,
duke@435 4700 jni_CallByteMethodA,
duke@435 4701 jni_CallCharMethod,
duke@435 4702 jni_CallCharMethodV,
duke@435 4703 jni_CallCharMethodA,
duke@435 4704 jni_CallShortMethod,
duke@435 4705 jni_CallShortMethodV,
duke@435 4706 jni_CallShortMethodA,
duke@435 4707 jni_CallIntMethod,
duke@435 4708 jni_CallIntMethodV,
duke@435 4709 jni_CallIntMethodA,
duke@435 4710 jni_CallLongMethod,
duke@435 4711 jni_CallLongMethodV,
duke@435 4712 jni_CallLongMethodA,
duke@435 4713 jni_CallFloatMethod,
duke@435 4714 jni_CallFloatMethodV,
duke@435 4715 jni_CallFloatMethodA,
duke@435 4716 jni_CallDoubleMethod,
duke@435 4717 jni_CallDoubleMethodV,
duke@435 4718 jni_CallDoubleMethodA,
duke@435 4719 jni_CallVoidMethod,
duke@435 4720 jni_CallVoidMethodV,
duke@435 4721 jni_CallVoidMethodA,
duke@435 4722
duke@435 4723 jni_CallNonvirtualObjectMethod,
duke@435 4724 jni_CallNonvirtualObjectMethodV,
duke@435 4725 jni_CallNonvirtualObjectMethodA,
duke@435 4726 jni_CallNonvirtualBooleanMethod,
duke@435 4727 jni_CallNonvirtualBooleanMethodV,
duke@435 4728 jni_CallNonvirtualBooleanMethodA,
duke@435 4729 jni_CallNonvirtualByteMethod,
duke@435 4730 jni_CallNonvirtualByteMethodV,
duke@435 4731 jni_CallNonvirtualByteMethodA,
duke@435 4732 jni_CallNonvirtualCharMethod,
duke@435 4733 jni_CallNonvirtualCharMethodV,
duke@435 4734 jni_CallNonvirtualCharMethodA,
duke@435 4735 jni_CallNonvirtualShortMethod,
duke@435 4736 jni_CallNonvirtualShortMethodV,
duke@435 4737 jni_CallNonvirtualShortMethodA,
duke@435 4738 jni_CallNonvirtualIntMethod,
duke@435 4739 jni_CallNonvirtualIntMethodV,
duke@435 4740 jni_CallNonvirtualIntMethodA,
duke@435 4741 jni_CallNonvirtualLongMethod,
duke@435 4742 jni_CallNonvirtualLongMethodV,
duke@435 4743 jni_CallNonvirtualLongMethodA,
duke@435 4744 jni_CallNonvirtualFloatMethod,
duke@435 4745 jni_CallNonvirtualFloatMethodV,
duke@435 4746 jni_CallNonvirtualFloatMethodA,
duke@435 4747 jni_CallNonvirtualDoubleMethod,
duke@435 4748 jni_CallNonvirtualDoubleMethodV,
duke@435 4749 jni_CallNonvirtualDoubleMethodA,
duke@435 4750 jni_CallNonvirtualVoidMethod,
duke@435 4751 jni_CallNonvirtualVoidMethodV,
duke@435 4752 jni_CallNonvirtualVoidMethodA,
duke@435 4753
duke@435 4754 jni_GetFieldID,
duke@435 4755
duke@435 4756 jni_GetObjectField,
duke@435 4757 jni_GetBooleanField,
duke@435 4758 jni_GetByteField,
duke@435 4759 jni_GetCharField,
duke@435 4760 jni_GetShortField,
duke@435 4761 jni_GetIntField,
duke@435 4762 jni_GetLongField,
duke@435 4763 jni_GetFloatField,
duke@435 4764 jni_GetDoubleField,
duke@435 4765
duke@435 4766 jni_SetObjectField,
duke@435 4767 jni_SetBooleanField,
duke@435 4768 jni_SetByteField,
duke@435 4769 jni_SetCharField,
duke@435 4770 jni_SetShortField,
duke@435 4771 jni_SetIntField,
duke@435 4772 jni_SetLongField,
duke@435 4773 jni_SetFloatField,
duke@435 4774 jni_SetDoubleField,
duke@435 4775
duke@435 4776 jni_GetStaticMethodID,
duke@435 4777
duke@435 4778 jni_CallStaticObjectMethod,
duke@435 4779 jni_CallStaticObjectMethodV,
duke@435 4780 jni_CallStaticObjectMethodA,
duke@435 4781 jni_CallStaticBooleanMethod,
duke@435 4782 jni_CallStaticBooleanMethodV,
duke@435 4783 jni_CallStaticBooleanMethodA,
duke@435 4784 jni_CallStaticByteMethod,
duke@435 4785 jni_CallStaticByteMethodV,
duke@435 4786 jni_CallStaticByteMethodA,
duke@435 4787 jni_CallStaticCharMethod,
duke@435 4788 jni_CallStaticCharMethodV,
duke@435 4789 jni_CallStaticCharMethodA,
duke@435 4790 jni_CallStaticShortMethod,
duke@435 4791 jni_CallStaticShortMethodV,
duke@435 4792 jni_CallStaticShortMethodA,
duke@435 4793 jni_CallStaticIntMethod,
duke@435 4794 jni_CallStaticIntMethodV,
duke@435 4795 jni_CallStaticIntMethodA,
duke@435 4796 jni_CallStaticLongMethod,
duke@435 4797 jni_CallStaticLongMethodV,
duke@435 4798 jni_CallStaticLongMethodA,
duke@435 4799 jni_CallStaticFloatMethod,
duke@435 4800 jni_CallStaticFloatMethodV,
duke@435 4801 jni_CallStaticFloatMethodA,
duke@435 4802 jni_CallStaticDoubleMethod,
duke@435 4803 jni_CallStaticDoubleMethodV,
duke@435 4804 jni_CallStaticDoubleMethodA,
duke@435 4805 jni_CallStaticVoidMethod,
duke@435 4806 jni_CallStaticVoidMethodV,
duke@435 4807 jni_CallStaticVoidMethodA,
duke@435 4808
duke@435 4809 jni_GetStaticFieldID,
duke@435 4810
duke@435 4811 jni_GetStaticObjectField,
duke@435 4812 jni_GetStaticBooleanField,
duke@435 4813 jni_GetStaticByteField,
duke@435 4814 jni_GetStaticCharField,
duke@435 4815 jni_GetStaticShortField,
duke@435 4816 jni_GetStaticIntField,
duke@435 4817 jni_GetStaticLongField,
duke@435 4818 jni_GetStaticFloatField,
duke@435 4819 jni_GetStaticDoubleField,
duke@435 4820
duke@435 4821 jni_SetStaticObjectField,
duke@435 4822 jni_SetStaticBooleanField,
duke@435 4823 jni_SetStaticByteField,
duke@435 4824 jni_SetStaticCharField,
duke@435 4825 jni_SetStaticShortField,
duke@435 4826 jni_SetStaticIntField,
duke@435 4827 jni_SetStaticLongField,
duke@435 4828 jni_SetStaticFloatField,
duke@435 4829 jni_SetStaticDoubleField,
duke@435 4830
duke@435 4831 jni_NewString,
duke@435 4832 jni_GetStringLength,
duke@435 4833 jni_GetStringChars,
duke@435 4834 jni_ReleaseStringChars,
duke@435 4835
duke@435 4836 jni_NewStringUTF,
duke@435 4837 jni_GetStringUTFLength,
duke@435 4838 jni_GetStringUTFChars,
duke@435 4839 jni_ReleaseStringUTFChars,
duke@435 4840
duke@435 4841 jni_GetArrayLength,
duke@435 4842
duke@435 4843 jni_NewObjectArray,
duke@435 4844 jni_GetObjectArrayElement,
duke@435 4845 jni_SetObjectArrayElement,
duke@435 4846
duke@435 4847 jni_NewBooleanArray,
duke@435 4848 jni_NewByteArray,
duke@435 4849 jni_NewCharArray,
duke@435 4850 jni_NewShortArray,
duke@435 4851 jni_NewIntArray,
duke@435 4852 jni_NewLongArray,
duke@435 4853 jni_NewFloatArray,
duke@435 4854 jni_NewDoubleArray,
duke@435 4855
duke@435 4856 jni_GetBooleanArrayElements,
duke@435 4857 jni_GetByteArrayElements,
duke@435 4858 jni_GetCharArrayElements,
duke@435 4859 jni_GetShortArrayElements,
duke@435 4860 jni_GetIntArrayElements,
duke@435 4861 jni_GetLongArrayElements,
duke@435 4862 jni_GetFloatArrayElements,
duke@435 4863 jni_GetDoubleArrayElements,
duke@435 4864
duke@435 4865 jni_ReleaseBooleanArrayElements,
duke@435 4866 jni_ReleaseByteArrayElements,
duke@435 4867 jni_ReleaseCharArrayElements,
duke@435 4868 jni_ReleaseShortArrayElements,
duke@435 4869 jni_ReleaseIntArrayElements,
duke@435 4870 jni_ReleaseLongArrayElements,
duke@435 4871 jni_ReleaseFloatArrayElements,
duke@435 4872 jni_ReleaseDoubleArrayElements,
duke@435 4873
duke@435 4874 jni_GetBooleanArrayRegion,
duke@435 4875 jni_GetByteArrayRegion,
duke@435 4876 jni_GetCharArrayRegion,
duke@435 4877 jni_GetShortArrayRegion,
duke@435 4878 jni_GetIntArrayRegion,
duke@435 4879 jni_GetLongArrayRegion,
duke@435 4880 jni_GetFloatArrayRegion,
duke@435 4881 jni_GetDoubleArrayRegion,
duke@435 4882
duke@435 4883 jni_SetBooleanArrayRegion,
duke@435 4884 jni_SetByteArrayRegion,
duke@435 4885 jni_SetCharArrayRegion,
duke@435 4886 jni_SetShortArrayRegion,
duke@435 4887 jni_SetIntArrayRegion,
duke@435 4888 jni_SetLongArrayRegion,
duke@435 4889 jni_SetFloatArrayRegion,
duke@435 4890 jni_SetDoubleArrayRegion,
duke@435 4891
duke@435 4892 jni_RegisterNatives,
duke@435 4893 jni_UnregisterNatives,
duke@435 4894
duke@435 4895 jni_MonitorEnter,
duke@435 4896 jni_MonitorExit,
duke@435 4897
duke@435 4898 jni_GetJavaVM,
duke@435 4899
duke@435 4900 jni_GetStringRegion,
duke@435 4901 jni_GetStringUTFRegion,
duke@435 4902
duke@435 4903 jni_GetPrimitiveArrayCritical,
duke@435 4904 jni_ReleasePrimitiveArrayCritical,
duke@435 4905
duke@435 4906 jni_GetStringCritical,
duke@435 4907 jni_ReleaseStringCritical,
duke@435 4908
duke@435 4909 jni_NewWeakGlobalRef,
duke@435 4910 jni_DeleteWeakGlobalRef,
duke@435 4911
duke@435 4912 jni_ExceptionCheck,
duke@435 4913
duke@435 4914 jni_NewDirectByteBuffer,
duke@435 4915 jni_GetDirectBufferAddress,
duke@435 4916 jni_GetDirectBufferCapacity,
duke@435 4917
duke@435 4918 // New 1_6 features
duke@435 4919
duke@435 4920 jni_GetObjectRefType
duke@435 4921 };
duke@435 4922
duke@435 4923
duke@435 4924 // For jvmti use to modify jni function table.
duke@435 4925 // Java threads in native contiues to run until it is transitioned
duke@435 4926 // to VM at safepoint. Before the transition or before it is blocked
duke@435 4927 // for safepoint it may access jni function table. VM could crash if
duke@435 4928 // any java thread access the jni function table in the middle of memcpy.
duke@435 4929 // To avoid this each function pointers are copied automically.
duke@435 4930 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) {
duke@435 4931 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint");
duke@435 4932 intptr_t *a = (intptr_t *) jni_functions();
duke@435 4933 intptr_t *b = (intptr_t *) new_jni_NativeInterface;
duke@435 4934 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) {
duke@435 4935 Atomic::store_ptr(*b++, a++);
duke@435 4936 }
duke@435 4937 }
duke@435 4938
duke@435 4939 void quicken_jni_functions() {
duke@435 4940 // Replace Get<Primitive>Field with fast versions
duke@435 4941 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access()
duke@435 4942 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls
duke@435 4943 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2)
duke@435 4944 // windows x86 currently needs SEH wrapper and the gain of the fast
duke@435 4945 // versions currently isn't certain for server vm on uniprocessor.
duke@435 4946 && os::is_MP()
duke@435 4947 #endif
duke@435 4948 ) {
duke@435 4949 address func;
duke@435 4950 func = JNI_FastGetField::generate_fast_get_boolean_field();
duke@435 4951 if (func != (address)-1) {
duke@435 4952 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func;
duke@435 4953 }
duke@435 4954 func = JNI_FastGetField::generate_fast_get_byte_field();
duke@435 4955 if (func != (address)-1) {
duke@435 4956 jni_NativeInterface.GetByteField = (GetByteField_t)func;
duke@435 4957 }
duke@435 4958 func = JNI_FastGetField::generate_fast_get_char_field();
duke@435 4959 if (func != (address)-1) {
duke@435 4960 jni_NativeInterface.GetCharField = (GetCharField_t)func;
duke@435 4961 }
duke@435 4962 func = JNI_FastGetField::generate_fast_get_short_field();
duke@435 4963 if (func != (address)-1) {
duke@435 4964 jni_NativeInterface.GetShortField = (GetShortField_t)func;
duke@435 4965 }
duke@435 4966 func = JNI_FastGetField::generate_fast_get_int_field();
duke@435 4967 if (func != (address)-1) {
duke@435 4968 jni_NativeInterface.GetIntField = (GetIntField_t)func;
duke@435 4969 }
duke@435 4970 func = JNI_FastGetField::generate_fast_get_long_field();
duke@435 4971 if (func != (address)-1) {
duke@435 4972 jni_NativeInterface.GetLongField = (GetLongField_t)func;
duke@435 4973 }
duke@435 4974 func = JNI_FastGetField::generate_fast_get_float_field();
duke@435 4975 if (func != (address)-1) {
duke@435 4976 jni_NativeInterface.GetFloatField = (GetFloatField_t)func;
duke@435 4977 }
duke@435 4978 func = JNI_FastGetField::generate_fast_get_double_field();
duke@435 4979 if (func != (address)-1) {
duke@435 4980 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func;
duke@435 4981 }
duke@435 4982 }
duke@435 4983 }
duke@435 4984
duke@435 4985 // Returns the function structure
duke@435 4986 struct JNINativeInterface_* jni_functions() {
jprovino@4165 4987 #if INCLUDE_JNI_CHECK
duke@435 4988 if (CheckJNICalls) return jni_functions_check();
jprovino@4165 4989 #endif // INCLUDE_JNI_CHECK
duke@435 4990 return &jni_NativeInterface;
duke@435 4991 }
duke@435 4992
duke@435 4993 // Returns the function structure
duke@435 4994 struct JNINativeInterface_* jni_functions_nocheck() {
duke@435 4995 return &jni_NativeInterface;
duke@435 4996 }
duke@435 4997
duke@435 4998
duke@435 4999 // Invocation API
duke@435 5000
duke@435 5001
duke@435 5002 // Forward declaration
duke@435 5003 extern const struct JNIInvokeInterface_ jni_InvokeInterface;
duke@435 5004
duke@435 5005 // Global invocation API vars
duke@435 5006 volatile jint vm_created = 0;
duke@435 5007 // Indicate whether it is safe to recreate VM
duke@435 5008 volatile jint safe_to_recreate_vm = 1;
duke@435 5009 struct JavaVM_ main_vm = {&jni_InvokeInterface};
duke@435 5010
duke@435 5011
duke@435 5012 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */
duke@435 5013 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL };
duke@435 5014
dcubed@3202 5015 #ifndef USDT2
duke@435 5016 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*);
duke@435 5017 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint);
dcubed@3202 5018 #else /* USDT2 */
dcubed@3202 5019 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint
dcubed@3202 5020 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref));
dcubed@3202 5021 #endif /* USDT2 */
duke@435 5022
duke@435 5023 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) {
dcubed@3202 5024 #ifndef USDT2
duke@435 5025 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_);
dcubed@3202 5026 #else /* USDT2 */
dcubed@3202 5027 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY(
dcubed@3202 5028 args_);
dcubed@3202 5029 #endif /* USDT2 */
duke@435 5030 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_;
duke@435 5031 jint ret = JNI_ERR;
duke@435 5032 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret);
duke@435 5033
duke@435 5034 if (Threads::is_supported_jni_version(args->version)) {
duke@435 5035 ret = JNI_OK;
duke@435 5036 }
duke@435 5037 // 1.1 style no longer supported in hotspot.
duke@435 5038 // According the JNI spec, we should update args->version on return.
duke@435 5039 // We also use the structure to communicate with launcher about default
duke@435 5040 // stack size.
duke@435 5041 if (args->version == JNI_VERSION_1_1) {
duke@435 5042 args->version = JNI_VERSION_1_2;
duke@435 5043 // javaStackSize is int in arguments structure
duke@435 5044 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow");
duke@435 5045 args->javaStackSize = (jint)(ThreadStackSize * K);
duke@435 5046 }
duke@435 5047 return ret;
duke@435 5048 }
duke@435 5049
brutisso@2976 5050 #ifndef PRODUCT
brutisso@2976 5051
sla@5237 5052 #include "gc_implementation/shared/gcTimer.hpp"
stefank@3335 5053 #include "gc_interface/collectedHeap.hpp"
tschatzl@5165 5054 #if INCLUDE_ALL_GCS
tschatzl@5165 5055 #include "gc_implementation/g1/heapRegionRemSet.hpp"
tschatzl@5165 5056 #endif
dsimms@7032 5057 #include "memory/guardedMemory.hpp"
brutisso@2976 5058 #include "utilities/quickSort.hpp"
minqi@5683 5059 #include "utilities/ostream.hpp"
mikael@4290 5060 #if INCLUDE_VM_STRUCTS
mikael@4290 5061 #include "runtime/vmStructs.hpp"
mikael@4290 5062 #endif
brutisso@2976 5063
stefank@3335 5064 #define run_unit_test(unit_test_function_call) \
stefank@3335 5065 tty->print_cr("Running test: " #unit_test_function_call); \
stefank@3335 5066 unit_test_function_call
stefank@3335 5067
stefank@5578 5068 // Forward declaration
ehelin@7778 5069 void TestOS_test();
stefank@5578 5070 void TestReservedSpace_test();
stefank@5578 5071 void TestReserveMemorySpecial_test();
stefank@5704 5072 void TestVirtualSpace_test();
brutisso@5774 5073 void TestMetaspaceAux_test();
stefank@5941 5074 void TestMetachunk_test();
mgerdin@6004 5075 void TestVirtualSpaceNode_test();
sjohanss@6641 5076 void TestNewSize_test();
stefank@6976 5077 void TestKlass_test();
zgu@7074 5078 void Test_linked_list();
stefank@7333 5079 void TestChunkedList_test();
jwilhelm@6336 5080 #if INCLUDE_ALL_GCS
jwilhelm@6267 5081 void TestOldFreeSpaceCalculation_test();
tschatzl@5773 5082 void TestG1BiasedArray_test();
stefank@6969 5083 void TestBufferingOopClosure_test();
tschatzl@6402 5084 void TestCodeCacheRemSet_test();
tschatzl@7051 5085 void FreeRegionList_test();
tschatzl@5773 5086 #endif
stefank@5578 5087
brutisso@2976 5088 void execute_internal_vm_tests() {
brutisso@2976 5089 if (ExecuteInternalVMTests) {
stefank@3335 5090 tty->print_cr("Running internal VM tests");
ehelin@7778 5091 run_unit_test(TestOS_test());
stefank@5578 5092 run_unit_test(TestReservedSpace_test());
stefank@5578 5093 run_unit_test(TestReserveMemorySpecial_test());
stefank@5704 5094 run_unit_test(TestVirtualSpace_test());
brutisso@5774 5095 run_unit_test(TestMetaspaceAux_test());
stefank@5941 5096 run_unit_test(TestMetachunk_test());
mgerdin@6004 5097 run_unit_test(TestVirtualSpaceNode_test());
mikael@4889 5098 run_unit_test(GlobalDefinitions::test_globals());
sla@5237 5099 run_unit_test(GCTimerAllTest::all());
stefank@3335 5100 run_unit_test(arrayOopDesc::test_max_array_length());
stefank@3335 5101 run_unit_test(CollectedHeap::test_is_in());
stefank@3335 5102 run_unit_test(QuickSort::test_quick_sort());
dsimms@7032 5103 run_unit_test(GuardedMemory::test_guarded_memory());
coleenp@3865 5104 run_unit_test(AltHashing::test_alt_hash());
minqi@5683 5105 run_unit_test(test_loggc_filename());
sjohanss@6641 5106 run_unit_test(TestNewSize_test());
stefank@6976 5107 run_unit_test(TestKlass_test());
zgu@7074 5108 run_unit_test(Test_linked_list());
stefank@7333 5109 run_unit_test(TestChunkedList_test());
mikael@4290 5110 #if INCLUDE_VM_STRUCTS
mikael@4290 5111 run_unit_test(VMStructs::test());
mikael@4290 5112 #endif
tschatzl@5165 5113 #if INCLUDE_ALL_GCS
jwilhelm@6336 5114 run_unit_test(TestOldFreeSpaceCalculation_test());
tschatzl@5773 5115 run_unit_test(TestG1BiasedArray_test());
tschatzl@5165 5116 run_unit_test(HeapRegionRemSet::test_prt());
stefank@6969 5117 run_unit_test(TestBufferingOopClosure_test());
tschatzl@6402 5118 run_unit_test(TestCodeCacheRemSet_test());
tschatzl@7051 5119 if (UseG1GC) {
tschatzl@7051 5120 run_unit_test(FreeRegionList_test());
tschatzl@7051 5121 }
tschatzl@5165 5122 #endif
brutisso@3266 5123 tty->print_cr("All internal VM tests passed");
brutisso@2976 5124 }
brutisso@2976 5125 }
brutisso@2976 5126
stefank@3335 5127 #undef run_unit_test
stefank@3335 5128
brutisso@2976 5129 #endif
brutisso@2976 5130
dcubed@3202 5131 #ifndef USDT2
duke@435 5132 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args);
duke@435 5133 DT_RETURN_MARK_DECL(CreateJavaVM, jint);
dcubed@3202 5134 #else /* USDT2 */
dcubed@3202 5135 DT_RETURN_MARK_DECL(CreateJavaVM, jint
dcubed@3202 5136 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref));
dcubed@3202 5137 #endif /* USDT2 */
duke@435 5138
duke@435 5139 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) {
dcubed@3202 5140 #ifndef USDT2
duke@435 5141 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args);
dcubed@3202 5142 #else /* USDT2 */
dcubed@3202 5143 HOTSPOT_JNI_CREATEJAVAVM_ENTRY(
dcubed@3202 5144 (void **) vm, penv, args);
dcubed@3202 5145 #endif /* USDT2 */
duke@435 5146
duke@435 5147 jint result = JNI_ERR;
duke@435 5148 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result);
duke@435 5149
twisti@1513 5150 // We're about to use Atomic::xchg for synchronization. Some Zero
twisti@1513 5151 // platforms use the GCC builtin __sync_lock_test_and_set for this,
twisti@1513 5152 // but __sync_lock_test_and_set is not guaranteed to do what we want
twisti@1513 5153 // on all architectures. So we check it works before relying on it.
twisti@1513 5154 #if defined(ZERO) && defined(ASSERT)
twisti@1513 5155 {
twisti@1513 5156 jint a = 0xcafebabe;
twisti@1513 5157 jint b = Atomic::xchg(0xdeadbeef, &a);
twisti@1513 5158 void *c = &a;
twisti@1513 5159 void *d = Atomic::xchg_ptr(&b, &c);
twisti@1567 5160 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works");
twisti@1513 5161 assert(c == &b && d == &a, "Atomic::xchg_ptr() works");
twisti@1513 5162 }
twisti@1513 5163 #endif // ZERO && ASSERT
twisti@1513 5164
duke@435 5165 // At the moment it's only possible to have one Java VM,
duke@435 5166 // since some of the runtime state is in global variables.
duke@435 5167
duke@435 5168 // We cannot use our mutex locks here, since they only work on
duke@435 5169 // Threads. We do an atomic compare and exchange to ensure only
duke@435 5170 // one thread can call this method at a time
duke@435 5171
duke@435 5172 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms
duke@435 5173 // the add/dec implementations are dependent on whether we are running
duke@435 5174 // on a multiprocessor, and at this stage of initialization the os::is_MP
duke@435 5175 // function used to determine this will always return false. Atomic::xchg
duke@435 5176 // does not have this problem.
duke@435 5177 if (Atomic::xchg(1, &vm_created) == 1) {
coleenp@5362 5178 return JNI_EEXIST; // already created, or create attempt in progress
duke@435 5179 }
duke@435 5180 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) {
duke@435 5181 return JNI_ERR; // someone tried and failed and retry not allowed.
duke@435 5182 }
duke@435 5183
duke@435 5184 assert(vm_created == 1, "vm_created is true during the creation");
duke@435 5185
duke@435 5186 /**
duke@435 5187 * Certain errors during initialization are recoverable and do not
duke@435 5188 * prevent this method from being called again at a later time
duke@435 5189 * (perhaps with different arguments). However, at a certain
duke@435 5190 * point during initialization if an error occurs we cannot allow
duke@435 5191 * this function to be called again (or it will crash). In those
duke@435 5192 * situations, the 'canTryAgain' flag is set to false, which atomically
duke@435 5193 * sets safe_to_recreate_vm to 1, such that any new call to
duke@435 5194 * JNI_CreateJavaVM will immediately fail using the above logic.
duke@435 5195 */
duke@435 5196 bool can_try_again = true;
duke@435 5197
duke@435 5198 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again);
duke@435 5199 if (result == JNI_OK) {
duke@435 5200 JavaThread *thread = JavaThread::current();
duke@435 5201 /* thread is thread_in_vm here */
duke@435 5202 *vm = (JavaVM *)(&main_vm);
duke@435 5203 *(JNIEnv**)penv = thread->jni_environment();
duke@435 5204
duke@435 5205 // Tracks the time application was running before GC
duke@435 5206 RuntimeService::record_application_start();
duke@435 5207
duke@435 5208 // Notify JVMTI
duke@435 5209 if (JvmtiExport::should_post_thread_life()) {
duke@435 5210 JvmtiExport::post_thread_start(thread);
duke@435 5211 }
phh@3427 5212
sla@5237 5213 EventThreadStart event;
sla@5237 5214 if (event.should_commit()) {
sla@5237 5215 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj()));
sla@5237 5216 event.commit();
sla@5237 5217 }
phh@3427 5218
dcubed@5365 5219 #ifndef PRODUCT
kvn@6537 5220 #ifndef CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED
dcubed@5365 5221 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f()
dcubed@5365 5222 #endif
dcubed@5365 5223
duke@435 5224 // Check if we should compile all classes on bootclasspath
dcubed@5365 5225 if (CompileTheWorld) ClassLoader::compile_the_world();
dcubed@5365 5226 if (ReplayCompiles) ciReplay::replay(thread);
dcubed@5365 5227
dcubed@5365 5228 // Some platforms (like Win*) need a wrapper around these test
dcubed@5365 5229 // functions in order to properly handle error conditions.
dcubed@5365 5230 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler);
dcubed@5365 5231 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests);
dcubed@5365 5232 #endif
dcubed@5365 5233
duke@435 5234 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving.
duke@435 5235 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
duke@435 5236 } else {
duke@435 5237 if (can_try_again) {
duke@435 5238 // reset safe_to_recreate_vm to 1 so that retrial would be possible
duke@435 5239 safe_to_recreate_vm = 1;
duke@435 5240 }
duke@435 5241
duke@435 5242 // Creation failed. We must reset vm_created
duke@435 5243 *vm = 0;
duke@435 5244 *(JNIEnv**)penv = 0;
duke@435 5245 // reset vm_created last to avoid race condition. Use OrderAccess to
duke@435 5246 // control both compiler and architectural-based reordering.
duke@435 5247 OrderAccess::release_store(&vm_created, 0);
duke@435 5248 }
duke@435 5249
duke@435 5250 return result;
duke@435 5251 }
duke@435 5252
dcubed@3202 5253 #ifndef USDT2
duke@435 5254 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \
duke@435 5255 JavaVM**, jsize, jsize*);
duke@435 5256 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint);
dcubed@3202 5257 #endif /* !USDT2 */
duke@435 5258
duke@435 5259 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) {
duke@435 5260 // See bug 4367188, the wrapper can sometimes cause VM crashes
duke@435 5261 // JNIWrapper("GetCreatedJavaVMs");
dcubed@3202 5262 #ifndef USDT2
duke@435 5263 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \
duke@435 5264 vm_buf, bufLen, numVMs);
dcubed@3202 5265 #else /* USDT2 */
dcubed@3202 5266 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY(
dcubed@3202 5267 (void **) vm_buf, bufLen, (uintptr_t *) numVMs);
dcubed@3202 5268 #endif /* USDT2 */
duke@435 5269 if (vm_created) {
duke@435 5270 if (numVMs != NULL) *numVMs = 1;
duke@435 5271 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm);
duke@435 5272 } else {
duke@435 5273 if (numVMs != NULL) *numVMs = 0;
duke@435 5274 }
dcubed@3202 5275 #ifndef USDT2
duke@435 5276 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK);
dcubed@3202 5277 #else /* USDT2 */
dcubed@3202 5278 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN(
dcubed@3202 5279 JNI_OK);
dcubed@3202 5280 #endif /* USDT2 */
duke@435 5281 return JNI_OK;
duke@435 5282 }
duke@435 5283
duke@435 5284 extern "C" {
duke@435 5285
dcubed@3202 5286 #ifndef USDT2
duke@435 5287 DT_RETURN_MARK_DECL(DestroyJavaVM, jint);
dcubed@3202 5288 #else /* USDT2 */
dcubed@3202 5289 DT_RETURN_MARK_DECL(DestroyJavaVM, jint
dcubed@3202 5290 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref));
dcubed@3202 5291 #endif /* USDT2 */
duke@435 5292
duke@435 5293 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) {
dcubed@3202 5294 #ifndef USDT2
duke@435 5295 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm);
dcubed@3202 5296 #else /* USDT2 */
dcubed@3202 5297 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY(
dcubed@3202 5298 vm);
dcubed@3202 5299 #endif /* USDT2 */
duke@435 5300 jint res = JNI_ERR;
duke@435 5301 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res);
duke@435 5302
duke@435 5303 if (!vm_created) {
duke@435 5304 res = JNI_ERR;
duke@435 5305 return res;
duke@435 5306 }
duke@435 5307
duke@435 5308 JNIWrapper("DestroyJavaVM");
duke@435 5309 JNIEnv *env;
duke@435 5310 JavaVMAttachArgs destroyargs;
duke@435 5311 destroyargs.version = CurrentVersion;
duke@435 5312 destroyargs.name = (char *)"DestroyJavaVM";
duke@435 5313 destroyargs.group = NULL;
duke@435 5314 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs);
duke@435 5315 if (res != JNI_OK) {
duke@435 5316 return res;
duke@435 5317 }
duke@435 5318
duke@435 5319 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering.
duke@435 5320 JavaThread* thread = JavaThread::current();
duke@435 5321 ThreadStateTransition::transition_from_native(thread, _thread_in_vm);
duke@435 5322 if (Threads::destroy_vm()) {
duke@435 5323 // Should not change thread state, VM is gone
duke@435 5324 vm_created = false;
duke@435 5325 res = JNI_OK;
duke@435 5326 return res;
duke@435 5327 } else {
duke@435 5328 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
duke@435 5329 res = JNI_ERR;
duke@435 5330 return res;
duke@435 5331 }
duke@435 5332 }
duke@435 5333
duke@435 5334
duke@435 5335 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) {
duke@435 5336 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args;
duke@435 5337
duke@435 5338 // Check below commented out from JDK1.2fcs as well
duke@435 5339 /*
duke@435 5340 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) {
duke@435 5341 return JNI_EVERSION;
duke@435 5342 }
duke@435 5343 */
duke@435 5344
duke@435 5345 Thread* t = ThreadLocalStorage::get_thread_slow();
duke@435 5346 if (t != NULL) {
duke@435 5347 // If the thread has been attached this operation is a no-op
duke@435 5348 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment();
duke@435 5349 return JNI_OK;
duke@435 5350 }
duke@435 5351
duke@435 5352 // Create a thread and mark it as attaching so it will be skipped by the
duke@435 5353 // ThreadsListEnumerator - see CR 6404306
duke@435 5354 JavaThread* thread = new JavaThread(true);
duke@435 5355
duke@435 5356 // Set correct safepoint info. The thread is going to call into Java when
duke@435 5357 // initializing the Java level thread object. Hence, the correct state must
duke@435 5358 // be set in order for the Safepoint code to deal with it correctly.
duke@435 5359 thread->set_thread_state(_thread_in_vm);
duke@435 5360 // Must do this before initialize_thread_local_storage
duke@435 5361 thread->record_stack_base_and_size();
coleenp@1725 5362
duke@435 5363 thread->initialize_thread_local_storage();
duke@435 5364
duke@435 5365 if (!os::create_attached_thread(thread)) {
duke@435 5366 delete thread;
duke@435 5367 return JNI_ERR;
duke@435 5368 }
coleenp@1725 5369 // Enable stack overflow checks
coleenp@1725 5370 thread->create_stack_guard_pages();
coleenp@1725 5371
duke@435 5372 thread->initialize_tlab();
duke@435 5373
bobv@2036 5374 thread->cache_global_variables();
bobv@2036 5375
duke@435 5376 // Crucial that we do not have a safepoint check for this thread, since it has
duke@435 5377 // not been added to the Thread list yet.
duke@435 5378 { Threads_lock->lock_without_safepoint_check();
duke@435 5379 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to
duke@435 5380 // avoid this thread trying to do a GC before it is added to the thread-list
duke@435 5381 thread->set_active_handles(JNIHandleBlock::allocate_block());
duke@435 5382 Threads::add(thread, daemon);
duke@435 5383 Threads_lock->unlock();
duke@435 5384 }
duke@435 5385 // Create thread group and name info from attach arguments
duke@435 5386 oop group = NULL;
duke@435 5387 char* thread_name = NULL;
duke@435 5388 if (args != NULL && Threads::is_supported_jni_version(args->version)) {
duke@435 5389 group = JNIHandles::resolve(args->group);
duke@435 5390 thread_name = args->name; // may be NULL
duke@435 5391 }
duke@435 5392 if (group == NULL) group = Universe::main_thread_group();
duke@435 5393
duke@435 5394 // Create Java level thread object and attach it to this thread
duke@435 5395 bool attach_failed = false;
duke@435 5396 {
duke@435 5397 EXCEPTION_MARK;
duke@435 5398 HandleMark hm(THREAD);
duke@435 5399 Handle thread_group(THREAD, group);
duke@435 5400 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD);
duke@435 5401 if (HAS_PENDING_EXCEPTION) {
duke@435 5402 CLEAR_PENDING_EXCEPTION;
duke@435 5403 // cleanup outside the handle mark.
duke@435 5404 attach_failed = true;
duke@435 5405 }
duke@435 5406 }
duke@435 5407
duke@435 5408 if (attach_failed) {
duke@435 5409 // Added missing cleanup
duke@435 5410 thread->cleanup_failed_attach_current_thread();
duke@435 5411 return JNI_ERR;
duke@435 5412 }
duke@435 5413
duke@435 5414 // mark the thread as no longer attaching
duke@435 5415 // this uses a fence to push the change through so we don't have
duke@435 5416 // to regrab the threads_lock
dcubed@3202 5417 thread->set_done_attaching_via_jni();
duke@435 5418
duke@435 5419 // Set java thread status.
duke@435 5420 java_lang_Thread::set_thread_status(thread->threadObj(),
duke@435 5421 java_lang_Thread::RUNNABLE);
duke@435 5422
duke@435 5423 // Notify the debugger
duke@435 5424 if (JvmtiExport::should_post_thread_life()) {
duke@435 5425 JvmtiExport::post_thread_start(thread);
duke@435 5426 }
duke@435 5427
sla@5237 5428 EventThreadStart event;
sla@5237 5429 if (event.should_commit()) {
sla@5237 5430 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj()));
sla@5237 5431 event.commit();
sla@5237 5432 }
phh@3427 5433
duke@435 5434 *(JNIEnv**)penv = thread->jni_environment();
duke@435 5435
duke@435 5436 // Now leaving the VM, so change thread_state. This is normally automatically taken care
duke@435 5437 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by
duke@435 5438 // using ThreadStateTransition::transition, we do a callback to the safepoint code if
duke@435 5439 // needed.
duke@435 5440
duke@435 5441 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
duke@435 5442
duke@435 5443 // Perform any platform dependent FPU setup
duke@435 5444 os::setup_fpu();
duke@435 5445
duke@435 5446 return JNI_OK;
duke@435 5447 }
duke@435 5448
duke@435 5449
duke@435 5450 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) {
dcubed@3202 5451 #ifndef USDT2
duke@435 5452 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args);
dcubed@3202 5453 #else /* USDT2 */
dcubed@3202 5454 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY(
dcubed@3202 5455 vm, penv, _args);
dcubed@3202 5456 #endif /* USDT2 */
duke@435 5457 if (!vm_created) {
dcubed@3202 5458 #ifndef USDT2
duke@435 5459 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR);
dcubed@3202 5460 #else /* USDT2 */
dcubed@3202 5461 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(
dcubed@3202 5462 (uint32_t) JNI_ERR);
dcubed@3202 5463 #endif /* USDT2 */
duke@435 5464 return JNI_ERR;
duke@435 5465 }
duke@435 5466
duke@435 5467 JNIWrapper("AttachCurrentThread");
duke@435 5468 jint ret = attach_current_thread(vm, penv, _args, false);
dcubed@3202 5469 #ifndef USDT2
duke@435 5470 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret);
dcubed@3202 5471 #else /* USDT2 */
dcubed@3202 5472 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(
dcubed@3202 5473 ret);
dcubed@3202 5474 #endif /* USDT2 */
duke@435 5475 return ret;
duke@435 5476 }
duke@435 5477
duke@435 5478
duke@435 5479 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) {
dcubed@3202 5480 #ifndef USDT2
duke@435 5481 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm);
dcubed@3202 5482 #else /* USDT2 */
dcubed@3202 5483 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY(
dcubed@3202 5484 vm);
dcubed@3202 5485 #endif /* USDT2 */
duke@435 5486 VM_Exit::block_if_vm_exited();
duke@435 5487
duke@435 5488 JNIWrapper("DetachCurrentThread");
duke@435 5489
duke@435 5490 // If the thread has been deattacted the operations is a no-op
duke@435 5491 if (ThreadLocalStorage::thread() == NULL) {
dcubed@3202 5492 #ifndef USDT2
duke@435 5493 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK);
dcubed@3202 5494 #else /* USDT2 */
dcubed@3202 5495 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
dcubed@3202 5496 JNI_OK);
dcubed@3202 5497 #endif /* USDT2 */
duke@435 5498 return JNI_OK;
duke@435 5499 }
duke@435 5500
duke@435 5501 JavaThread* thread = JavaThread::current();
duke@435 5502 if (thread->has_last_Java_frame()) {
dcubed@3202 5503 #ifndef USDT2
duke@435 5504 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR);
dcubed@3202 5505 #else /* USDT2 */
dcubed@3202 5506 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
dcubed@3202 5507 (uint32_t) JNI_ERR);
dcubed@3202 5508 #endif /* USDT2 */
duke@435 5509 // Can't detach a thread that's running java, that can't work.
duke@435 5510 return JNI_ERR;
duke@435 5511 }
duke@435 5512
duke@435 5513 // Safepoint support. Have to do call-back to safepoint code, if in the
duke@435 5514 // middel of a safepoint operation
duke@435 5515 ThreadStateTransition::transition_from_native(thread, _thread_in_vm);
duke@435 5516
duke@435 5517 // XXX: Note that JavaThread::exit() call below removes the guards on the
duke@435 5518 // stack pages set up via enable_stack_{red,yellow}_zone() calls
duke@435 5519 // above in jni_AttachCurrentThread. Unfortunately, while the setting
duke@435 5520 // of the guards is visible in jni_AttachCurrentThread above,
duke@435 5521 // the removal of the guards is buried below in JavaThread::exit()
duke@435 5522 // here. The abstraction should be more symmetrically either exposed
duke@435 5523 // or hidden (e.g. it could probably be hidden in the same
duke@435 5524 // (platform-dependent) methods where we do alternate stack
duke@435 5525 // maintenance work?)
duke@435 5526 thread->exit(false, JavaThread::jni_detach);
duke@435 5527 delete thread;
duke@435 5528
dcubed@3202 5529 #ifndef USDT2
duke@435 5530 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK);
dcubed@3202 5531 #else /* USDT2 */
dcubed@3202 5532 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
dcubed@3202 5533 JNI_OK);
dcubed@3202 5534 #endif /* USDT2 */
duke@435 5535 return JNI_OK;
duke@435 5536 }
duke@435 5537
dcubed@3202 5538 #ifndef USDT2
duke@435 5539 DT_RETURN_MARK_DECL(GetEnv, jint);
dcubed@3202 5540 #else /* USDT2 */
dcubed@3202 5541 DT_RETURN_MARK_DECL(GetEnv, jint
dcubed@3202 5542 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref));
dcubed@3202 5543 #endif /* USDT2 */
duke@435 5544
duke@435 5545 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) {
dcubed@3202 5546 #ifndef USDT2
duke@435 5547 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version);
dcubed@3202 5548 #else /* USDT2 */
dcubed@3202 5549 HOTSPOT_JNI_GETENV_ENTRY(
dcubed@3202 5550 vm, penv, version);
dcubed@3202 5551 #endif /* USDT2 */
duke@435 5552 jint ret = JNI_ERR;
duke@435 5553 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret);
duke@435 5554
duke@435 5555 if (!vm_created) {
duke@435 5556 *penv = NULL;
duke@435 5557 ret = JNI_EDETACHED;
duke@435 5558 return ret;
duke@435 5559 }
duke@435 5560
phh@3427 5561 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) {
duke@435 5562 return ret;
duke@435 5563 }
duke@435 5564
duke@435 5565 #ifndef JVMPI_VERSION_1
duke@435 5566 // need these in order to be polite about older agents
duke@435 5567 #define JVMPI_VERSION_1 ((jint)0x10000001)
duke@435 5568 #define JVMPI_VERSION_1_1 ((jint)0x10000002)
duke@435 5569 #define JVMPI_VERSION_1_2 ((jint)0x10000003)
duke@435 5570 #endif // !JVMPI_VERSION_1
duke@435 5571
duke@435 5572 Thread* thread = ThreadLocalStorage::thread();
duke@435 5573 if (thread != NULL && thread->is_Java_thread()) {
duke@435 5574 if (Threads::is_supported_jni_version_including_1_1(version)) {
duke@435 5575 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment();
duke@435 5576 ret = JNI_OK;
duke@435 5577 return ret;
duke@435 5578
duke@435 5579 } else if (version == JVMPI_VERSION_1 ||
duke@435 5580 version == JVMPI_VERSION_1_1 ||
duke@435 5581 version == JVMPI_VERSION_1_2) {
duke@435 5582 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported.");
duke@435 5583 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI).");
duke@435 5584 ret = JNI_EVERSION;
duke@435 5585 return ret;
duke@435 5586 } else if (JvmtiExport::is_jvmdi_version(version)) {
duke@435 5587 tty->print_cr("FATAL ERROR: JVMDI is no longer supported.");
duke@435 5588 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI).");
duke@435 5589 ret = JNI_EVERSION;
duke@435 5590 return ret;
duke@435 5591 } else {
duke@435 5592 *penv = NULL;
duke@435 5593 ret = JNI_EVERSION;
duke@435 5594 return ret;
duke@435 5595 }
duke@435 5596 } else {
duke@435 5597 *penv = NULL;
duke@435 5598 ret = JNI_EDETACHED;
duke@435 5599 return ret;
duke@435 5600 }
duke@435 5601 }
duke@435 5602
duke@435 5603
duke@435 5604 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) {
dcubed@3202 5605 #ifndef USDT2
duke@435 5606 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args);
dcubed@3202 5607 #else /* USDT2 */
dcubed@3202 5608 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY(
dcubed@3202 5609 vm, penv, _args);
dcubed@3202 5610 #endif /* USDT2 */
duke@435 5611 if (!vm_created) {
dcubed@3202 5612 #ifndef USDT2
duke@435 5613 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR);
dcubed@3202 5614 #else /* USDT2 */
dcubed@3202 5615 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(
dcubed@3202 5616 (uint32_t) JNI_ERR);
dcubed@3202 5617 #endif /* USDT2 */
duke@435 5618 return JNI_ERR;
duke@435 5619 }
duke@435 5620
duke@435 5621 JNIWrapper("AttachCurrentThreadAsDaemon");
duke@435 5622 jint ret = attach_current_thread(vm, penv, _args, true);
dcubed@3202 5623 #ifndef USDT2
duke@435 5624 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret);
dcubed@3202 5625 #else /* USDT2 */
dcubed@3202 5626 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(
dcubed@3202 5627 ret);
dcubed@3202 5628 #endif /* USDT2 */
duke@435 5629 return ret;
duke@435 5630 }
duke@435 5631
duke@435 5632
duke@435 5633 } // End extern "C"
duke@435 5634
duke@435 5635 const struct JNIInvokeInterface_ jni_InvokeInterface = {
duke@435 5636 NULL,
duke@435 5637 NULL,
duke@435 5638 NULL,
duke@435 5639
duke@435 5640 jni_DestroyJavaVM,
duke@435 5641 jni_AttachCurrentThread,
duke@435 5642 jni_DetachCurrentThread,
duke@435 5643 jni_GetEnv,
duke@435 5644 jni_AttachCurrentThreadAsDaemon
duke@435 5645 };

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