src/share/vm/prims/jni.cpp

Thu, 14 Aug 2014 10:56:34 +0200

author
dsimms
date
Thu, 14 Aug 2014 10:56:34 +0200
changeset 7038
8ae0d26ab728
parent 7032
fa62fb12cdca
child 7051
1f1d373cd044
permissions
-rw-r--r--

8046919: jni_PushLocalFrame OOM - increase MAX_REASONABLE_LOCAL_CAPACITY
Summary: Increase the previous limit from 4k to 64k, added "-XX:MaxJNILocalCapacity=<capacity>" flag
Reviewed-by: hseigel, fparain

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

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