src/share/vm/prims/jni.cpp

Thu, 24 Jan 2013 22:13:32 -0800

author
sspitsyn
date
Thu, 24 Jan 2013 22:13:32 -0800
changeset 4493
edd76a5856f7
parent 4301
c24f778e9401
child 4542
db9981fd3124
permissions
-rw-r--r--

8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
Summary: When constant pool is copied in merge_constant_pools the invokedynamic operands must be copied before.
Reviewed-by: coleenp, twisti
Contributed-by: serguei.spitsyn@oracle.com

duke@435 1 /*
fparain@3828 2 * Copyright (c) 1997, 2012, 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"
johnc@2781 35 #ifndef SERIALGC
johnc@2781 36 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
johnc@2781 37 #endif // SERIALGC
zgu@3900 38 #include "memory/allocation.hpp"
stefank@2314 39 #include "memory/allocation.inline.hpp"
stefank@2314 40 #include "memory/gcLocker.inline.hpp"
stefank@2314 41 #include "memory/oopFactory.hpp"
stefank@2314 42 #include "memory/universe.inline.hpp"
stefank@2314 43 #include "oops/instanceKlass.hpp"
stefank@2314 44 #include "oops/instanceOop.hpp"
stefank@2314 45 #include "oops/markOop.hpp"
coleenp@4037 46 #include "oops/method.hpp"
stefank@2314 47 #include "oops/objArrayKlass.hpp"
stefank@2314 48 #include "oops/objArrayOop.hpp"
stefank@2314 49 #include "oops/oop.inline.hpp"
coleenp@2497 50 #include "oops/symbol.hpp"
stefank@2314 51 #include "oops/typeArrayKlass.hpp"
stefank@2314 52 #include "oops/typeArrayOop.hpp"
stefank@2314 53 #include "prims/jni.h"
stefank@2314 54 #include "prims/jniCheck.hpp"
phh@3427 55 #include "prims/jniExport.hpp"
stefank@2314 56 #include "prims/jniFastGetField.hpp"
stefank@2314 57 #include "prims/jvm.h"
stefank@2314 58 #include "prims/jvm_misc.hpp"
stefank@2314 59 #include "prims/jvmtiExport.hpp"
stefank@2314 60 #include "prims/jvmtiThreadState.hpp"
stefank@2314 61 #include "runtime/compilationPolicy.hpp"
stefank@2314 62 #include "runtime/fieldDescriptor.hpp"
stefank@2314 63 #include "runtime/fprofiler.hpp"
stefank@2314 64 #include "runtime/handles.inline.hpp"
stefank@2314 65 #include "runtime/interfaceSupport.hpp"
stefank@2314 66 #include "runtime/java.hpp"
stefank@2314 67 #include "runtime/javaCalls.hpp"
stefank@2314 68 #include "runtime/jfieldIDWorkaround.hpp"
stefank@2314 69 #include "runtime/reflection.hpp"
stefank@2314 70 #include "runtime/sharedRuntime.hpp"
stefank@2314 71 #include "runtime/signature.hpp"
stefank@4299 72 #include "runtime/thread.inline.hpp"
stefank@2314 73 #include "runtime/vm_operations.hpp"
stefank@2314 74 #include "services/runtimeService.hpp"
phh@3427 75 #include "trace/tracing.hpp"
phh@3427 76 #include "trace/traceEventTypes.hpp"
stefank@2314 77 #include "utilities/defaultStream.hpp"
stefank@2314 78 #include "utilities/dtrace.hpp"
stefank@2314 79 #include "utilities/events.hpp"
stefank@2314 80 #include "utilities/histogram.hpp"
stefank@2314 81 #ifdef TARGET_OS_FAMILY_linux
stefank@2314 82 # include "os_linux.inline.hpp"
stefank@2314 83 #endif
stefank@2314 84 #ifdef TARGET_OS_FAMILY_solaris
stefank@2314 85 # include "os_solaris.inline.hpp"
stefank@2314 86 #endif
stefank@2314 87 #ifdef TARGET_OS_FAMILY_windows
stefank@2314 88 # include "os_windows.inline.hpp"
stefank@2314 89 #endif
never@3156 90 #ifdef TARGET_OS_FAMILY_bsd
never@3156 91 # include "os_bsd.inline.hpp"
never@3156 92 #endif
duke@435 93
duke@435 94 static jint CurrentVersion = JNI_VERSION_1_6;
duke@435 95
duke@435 96
duke@435 97 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace
duke@435 98 // '-return' probe regardless of the return path is taken out of the function.
duke@435 99 // Methods that have multiple return paths use this to avoid having to
duke@435 100 // instrument each return path. Methods that use CHECK or THROW must use this
duke@435 101 // since those macros can cause an immedate uninstrumented return.
duke@435 102 //
duke@435 103 // In order to get the return value, a reference to the variable containing
duke@435 104 // the return value must be passed to the contructor of the object, and
duke@435 105 // the return value must be set before return (since the mark object has
duke@435 106 // a reference to it).
duke@435 107 //
duke@435 108 // Example:
duke@435 109 // DT_RETURN_MARK_DECL(SomeFunc, int);
duke@435 110 // JNI_ENTRY(int, SomeFunc, ...)
duke@435 111 // int return_value = 0;
duke@435 112 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value);
duke@435 113 // foo(CHECK_0)
duke@435 114 // return_value = 5;
duke@435 115 // return return_value;
duke@435 116 // JNI_END
dcubed@3202 117 #ifndef USDT2
duke@435 118 #define DT_RETURN_MARK_DECL(name, type) \
duke@435 119 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \
duke@435 120 DTRACE_ONLY( \
duke@435 121 class DTraceReturnProbeMark_##name { \
duke@435 122 public: \
duke@435 123 const type& _ret_ref; \
duke@435 124 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \
duke@435 125 ~DTraceReturnProbeMark_##name() { \
duke@435 126 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \
duke@435 127 } \
duke@435 128 } \
duke@435 129 )
duke@435 130 // Void functions are simpler since there's no return value
duke@435 131 #define DT_VOID_RETURN_MARK_DECL(name) \
duke@435 132 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \
duke@435 133 DTRACE_ONLY( \
duke@435 134 class DTraceReturnProbeMark_##name { \
duke@435 135 public: \
duke@435 136 ~DTraceReturnProbeMark_##name() { \
duke@435 137 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \
duke@435 138 } \
duke@435 139 } \
duke@435 140 )
duke@435 141
dcubed@3202 142 #else /* USDT2 */
dcubed@3202 143
dcubed@3202 144 #define DT_RETURN_MARK_DECL(name, type, probe) \
dcubed@3202 145 DTRACE_ONLY( \
dcubed@3202 146 class DTraceReturnProbeMark_##name { \
dcubed@3202 147 public: \
dcubed@3202 148 const type& _ret_ref; \
dcubed@3202 149 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \
dcubed@3202 150 ~DTraceReturnProbeMark_##name() { \
dcubed@3202 151 probe; \
dcubed@3202 152 } \
dcubed@3202 153 } \
dcubed@3202 154 )
dcubed@3202 155 // Void functions are simpler since there's no return value
dcubed@3202 156 #define DT_VOID_RETURN_MARK_DECL(name, probe) \
dcubed@3202 157 DTRACE_ONLY( \
dcubed@3202 158 class DTraceReturnProbeMark_##name { \
dcubed@3202 159 public: \
dcubed@3202 160 ~DTraceReturnProbeMark_##name() { \
dcubed@3202 161 probe; \
dcubed@3202 162 } \
dcubed@3202 163 } \
dcubed@3202 164 )
dcubed@3202 165 #endif /* USDT2 */
duke@435 166
duke@435 167 // Place these macros in the function to mark the return. Non-void
duke@435 168 // functions need the type and address of the return value.
duke@435 169 #define DT_RETURN_MARK(name, type, ref) \
duke@435 170 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) )
duke@435 171 #define DT_VOID_RETURN_MARK(name) \
duke@435 172 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark )
duke@435 173
duke@435 174
duke@435 175 // Use these to select distinct code for floating-point vs. non-floating point
duke@435 176 // situations. Used from within common macros where we need slightly
duke@435 177 // different behavior for Float/Double
duke@435 178 #define FP_SELECT_Boolean(intcode, fpcode) intcode
duke@435 179 #define FP_SELECT_Byte(intcode, fpcode) intcode
duke@435 180 #define FP_SELECT_Char(intcode, fpcode) intcode
duke@435 181 #define FP_SELECT_Short(intcode, fpcode) intcode
duke@435 182 #define FP_SELECT_Object(intcode, fpcode) intcode
duke@435 183 #define FP_SELECT_Int(intcode, fpcode) intcode
duke@435 184 #define FP_SELECT_Long(intcode, fpcode) intcode
duke@435 185 #define FP_SELECT_Float(intcode, fpcode) fpcode
duke@435 186 #define FP_SELECT_Double(intcode, fpcode) fpcode
duke@435 187 #define FP_SELECT(TypeName, intcode, fpcode) \
duke@435 188 FP_SELECT_##TypeName(intcode, fpcode)
duke@435 189
duke@435 190 #define COMMA ,
duke@435 191
duke@435 192 // Choose DT_RETURN_MARK macros based on the type: float/double -> void
duke@435 193 // (dtrace doesn't do FP yet)
dcubed@3202 194 #ifndef USDT2
duke@435 195 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \
duke@435 196 FP_SELECT(TypeName, \
duke@435 197 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) )
dcubed@3202 198 #else /* USDT2 */
dcubed@3202 199 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \
dcubed@3202 200 FP_SELECT(TypeName, \
dcubed@3202 201 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) )
dcubed@3202 202 #endif /* USDT2 */
duke@435 203 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \
duke@435 204 FP_SELECT(TypeName, \
duke@435 205 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) )
duke@435 206
duke@435 207
duke@435 208 // out-of-line helpers for class jfieldIDWorkaround:
duke@435 209
coleenp@4037 210 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) {
duke@435 211 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) {
duke@435 212 uintptr_t as_uint = (uintptr_t) id;
duke@435 213 intptr_t offset = raw_instance_offset(id);
duke@435 214 if (is_checked_jfieldID(id)) {
duke@435 215 if (!klass_hash_ok(k, id)) {
duke@435 216 return false;
duke@435 217 }
duke@435 218 }
coleenp@4037 219 return InstanceKlass::cast(k)->contains_field_offset(offset);
duke@435 220 } else {
duke@435 221 JNIid* result = (JNIid*) id;
duke@435 222 #ifdef ASSERT
duke@435 223 return result != NULL && result->is_static_field_id();
duke@435 224 #else
duke@435 225 return result != NULL;
duke@435 226 #endif
duke@435 227 }
duke@435 228 }
duke@435 229
duke@435 230
coleenp@4037 231 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) {
duke@435 232 if (offset <= small_offset_mask) {
coleenp@4037 233 Klass* field_klass = k;
hseigel@4278 234 Klass* super_klass = field_klass->super();
coleenp@548 235 // With compressed oops the most super class with nonstatic fields would
coleenp@548 236 // be the owner of fields embedded in the header.
coleenp@4037 237 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() &&
coleenp@4037 238 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) {
duke@435 239 field_klass = super_klass; // super contains the field also
hseigel@4278 240 super_klass = field_klass->super();
duke@435 241 }
duke@435 242 debug_only(No_Safepoint_Verifier nosafepoint;)
duke@435 243 uintptr_t klass_hash = field_klass->identity_hash();
duke@435 244 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place;
duke@435 245 } else {
duke@435 246 #if 0
duke@435 247 #ifndef PRODUCT
duke@435 248 {
duke@435 249 ResourceMark rm;
hseigel@4278 250 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name());
duke@435 251 }
duke@435 252 #endif
duke@435 253 #endif
duke@435 254 return 0;
duke@435 255 }
duke@435 256 }
duke@435 257
coleenp@4037 258 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) {
duke@435 259 uintptr_t as_uint = (uintptr_t) id;
duke@435 260 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask;
duke@435 261 do {
duke@435 262 debug_only(No_Safepoint_Verifier nosafepoint;)
duke@435 263 // Could use a non-blocking query for identity_hash here...
duke@435 264 if ((k->identity_hash() & klass_mask) == klass_hash)
duke@435 265 return true;
hseigel@4278 266 k = k->super();
duke@435 267 } while (k != NULL);
duke@435 268 return false;
duke@435 269 }
duke@435 270
coleenp@4037 271 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) {
duke@435 272 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" );
duke@435 273 uintptr_t as_uint = (uintptr_t) id;
duke@435 274 intptr_t offset = raw_instance_offset(id);
duke@435 275 if (VerifyJNIFields) {
duke@435 276 if (is_checked_jfieldID(id)) {
duke@435 277 guarantee(klass_hash_ok(k, id),
duke@435 278 "Bug in native code: jfieldID class must match object");
duke@435 279 } else {
duke@435 280 #if 0
duke@435 281 #ifndef PRODUCT
duke@435 282 if (Verbose) {
duke@435 283 ResourceMark rm;
hseigel@4278 284 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name());
duke@435 285 }
duke@435 286 #endif
duke@435 287 #endif
duke@435 288 }
duke@435 289 }
coleenp@4037 290 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset),
duke@435 291 "Bug in native code: jfieldID offset must address interior of object");
duke@435 292 }
duke@435 293
duke@435 294 // Pick a reasonable higher bound for local capacity requested
duke@435 295 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too
duke@435 296 // high because a test (or very unusual application) may try to allocate
duke@435 297 // that many handles and run out of swap space. An implementation is
duke@435 298 // permitted to allocate more handles than the ensured capacity, so this
duke@435 299 // value is set high enough to prevent compatibility problems.
duke@435 300 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K;
duke@435 301
duke@435 302
duke@435 303 // Wrapper to trace JNI functions
duke@435 304
duke@435 305 #ifdef ASSERT
duke@435 306 Histogram* JNIHistogram;
duke@435 307 static volatile jint JNIHistogram_lock = 0;
duke@435 308
duke@435 309 class JNITraceWrapper : public StackObj {
duke@435 310 public:
duke@435 311 JNITraceWrapper(const char* format, ...) {
duke@435 312 if (TraceJNICalls) {
duke@435 313 va_list ap;
duke@435 314 va_start(ap, format);
duke@435 315 tty->print("JNI ");
duke@435 316 tty->vprint_cr(format, ap);
duke@435 317 va_end(ap);
duke@435 318 }
duke@435 319 }
duke@435 320 };
duke@435 321
duke@435 322 class JNIHistogramElement : public HistogramElement {
duke@435 323 public:
duke@435 324 JNIHistogramElement(const char* name);
duke@435 325 };
duke@435 326
duke@435 327 JNIHistogramElement::JNIHistogramElement(const char* elementName) {
duke@435 328 _name = elementName;
duke@435 329 uintx count = 0;
duke@435 330
duke@435 331 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) {
duke@435 332 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) {
duke@435 333 count +=1;
duke@435 334 if ( (WarnOnStalledSpinLock > 0)
duke@435 335 && (count % WarnOnStalledSpinLock == 0)) {
duke@435 336 warning("JNIHistogram_lock seems to be stalled");
duke@435 337 }
duke@435 338 }
duke@435 339 }
duke@435 340
duke@435 341
duke@435 342 if(JNIHistogram == NULL)
duke@435 343 JNIHistogram = new Histogram("JNI Call Counts",100);
duke@435 344
duke@435 345 JNIHistogram->add_element(this);
duke@435 346 Atomic::dec(&JNIHistogram_lock);
duke@435 347 }
duke@435 348
duke@435 349 #define JNICountWrapper(arg) \
duke@435 350 static JNIHistogramElement* e = new JNIHistogramElement(arg); \
duke@435 351 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \
duke@435 352 if (e != NULL) e->increment_count()
duke@435 353 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg)
duke@435 354 #else
duke@435 355 #define JNIWrapper(arg)
duke@435 356 #endif
duke@435 357
duke@435 358
duke@435 359 // Implementation of JNI entries
duke@435 360
dcubed@3202 361 #ifndef USDT2
duke@435 362 DT_RETURN_MARK_DECL(DefineClass, jclass);
dcubed@3202 363 #else /* USDT2 */
dcubed@3202 364 DT_RETURN_MARK_DECL(DefineClass, jclass
dcubed@3202 365 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref));
dcubed@3202 366 #endif /* USDT2 */
duke@435 367
duke@435 368 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef,
duke@435 369 const jbyte *buf, jsize bufLen))
duke@435 370 JNIWrapper("DefineClass");
duke@435 371
dcubed@3202 372 #ifndef USDT2
duke@435 373 DTRACE_PROBE5(hotspot_jni, DefineClass__entry,
duke@435 374 env, name, loaderRef, buf, bufLen);
dcubed@3202 375 #else /* USDT2 */
dcubed@3202 376 HOTSPOT_JNI_DEFINECLASS_ENTRY(
dcubed@3202 377 env, (char*) name, loaderRef, (char*) buf, bufLen);
dcubed@3202 378 #endif /* USDT2 */
duke@435 379 jclass cls = NULL;
duke@435 380 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls);
duke@435 381
fparain@3828 382 TempNewSymbol class_name = NULL;
duke@435 383 // Since exceptions can be thrown, class initialization can take place
duke@435 384 // if name is NULL no check for class name in .class stream has to be made.
duke@435 385 if (name != NULL) {
duke@435 386 const int str_len = (int)strlen(name);
coleenp@2497 387 if (str_len > Symbol::max_length()) {
duke@435 388 // It's impossible to create this class; the name cannot fit
duke@435 389 // into the constant pool.
duke@435 390 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name);
duke@435 391 }
fparain@3828 392 class_name = SymbolTable::new_symbol(name, CHECK_NULL);
duke@435 393 }
duke@435 394 ResourceMark rm(THREAD);
duke@435 395 ClassFileStream st((u1*) buf, bufLen, NULL);
duke@435 396 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef));
duke@435 397
duke@435 398 if (UsePerfData && !class_loader.is_null()) {
duke@435 399 // check whether the current caller thread holds the lock or not.
duke@435 400 // If not, increment the corresponding counter
duke@435 401 if (ObjectSynchronizer::
duke@435 402 query_lock_ownership((JavaThread*)THREAD, class_loader) !=
duke@435 403 ObjectSynchronizer::owner_self) {
duke@435 404 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc();
duke@435 405 }
duke@435 406 }
coleenp@4037 407 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader,
acorn@1408 408 Handle(), &st, true,
acorn@1408 409 CHECK_NULL);
duke@435 410
acorn@1092 411 if (TraceClassResolution && k != NULL) {
acorn@1092 412 trace_class_resolution(k);
acorn@1092 413 }
acorn@1092 414
duke@435 415 cls = (jclass)JNIHandles::make_local(
hseigel@4278 416 env, k->java_mirror());
duke@435 417 return cls;
duke@435 418 JNI_END
duke@435 419
duke@435 420
duke@435 421
duke@435 422 static bool first_time_FindClass = true;
duke@435 423
dcubed@3202 424 #ifndef USDT2
duke@435 425 DT_RETURN_MARK_DECL(FindClass, jclass);
dcubed@3202 426 #else /* USDT2 */
dcubed@3202 427 DT_RETURN_MARK_DECL(FindClass, jclass
dcubed@3202 428 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref));
dcubed@3202 429 #endif /* USDT2 */
duke@435 430
duke@435 431 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name))
duke@435 432 JNIWrapper("FindClass");
dcubed@3202 433 #ifndef USDT2
duke@435 434 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name);
dcubed@3202 435 #else /* USDT2 */
dcubed@3202 436 HOTSPOT_JNI_FINDCLASS_ENTRY(
dcubed@3202 437 env, (char *)name);
dcubed@3202 438 #endif /* USDT2 */
duke@435 439
duke@435 440 jclass result = NULL;
duke@435 441 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result);
duke@435 442
duke@435 443 // Remember if we are the first invocation of jni_FindClass
duke@435 444 bool first_time = first_time_FindClass;
duke@435 445 first_time_FindClass = false;
duke@435 446
duke@435 447 // Sanity check the name: it cannot be null or larger than the maximum size
duke@435 448 // name we can fit in the constant pool.
coleenp@2497 449 if (name == NULL || (int)strlen(name) > Symbol::max_length()) {
duke@435 450 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name);
duke@435 451 }
duke@435 452
duke@435 453 //%note jni_3
duke@435 454 Handle loader;
duke@435 455 Handle protection_domain;
duke@435 456 // Find calling class
duke@435 457 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0));
duke@435 458 if (k.not_null()) {
duke@435 459 loader = Handle(THREAD, k->class_loader());
duke@435 460 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed
duke@435 461 // in the correct class context.
duke@435 462 if (loader.is_null() &&
duke@435 463 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) {
duke@435 464 JavaValue result(T_OBJECT);
duke@435 465 JavaCalls::call_static(&result, k,
coleenp@2497 466 vmSymbols::getFromClass_name(),
coleenp@2497 467 vmSymbols::void_class_signature(),
duke@435 468 thread);
duke@435 469 if (HAS_PENDING_EXCEPTION) {
duke@435 470 Handle ex(thread, thread->pending_exception());
duke@435 471 CLEAR_PENDING_EXCEPTION;
duke@435 472 THROW_HANDLE_0(ex);
duke@435 473 }
duke@435 474 oop mirror = (oop) result.get_jobject();
duke@435 475 loader = Handle(THREAD,
coleenp@4037 476 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader());
duke@435 477 protection_domain = Handle(THREAD,
coleenp@4037 478 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain());
duke@435 479 }
duke@435 480 } else {
duke@435 481 // We call ClassLoader.getSystemClassLoader to obtain the system class loader.
duke@435 482 loader = Handle(THREAD, SystemDictionary::java_system_loader());
duke@435 483 }
duke@435 484
coleenp@2497 485 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL);
duke@435 486 result = find_class_from_class_loader(env, sym, true, loader,
duke@435 487 protection_domain, true, thread);
duke@435 488
acorn@1092 489 if (TraceClassResolution && result != NULL) {
coleenp@4037 490 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result)));
acorn@1092 491 }
acorn@1092 492
duke@435 493 // If we were the first invocation of jni_FindClass, we enable compilation again
duke@435 494 // rather than just allowing invocation counter to overflow and decay.
duke@435 495 // Controlled by flag DelayCompilationDuringStartup.
duke@435 496 if (first_time && !CompileTheWorld)
duke@435 497 CompilationPolicy::completed_vm_startup();
duke@435 498
duke@435 499 return result;
duke@435 500 JNI_END
duke@435 501
dcubed@3202 502 #ifndef USDT2
duke@435 503 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID);
dcubed@3202 504 #else /* USDT2 */
dcubed@3202 505 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID
dcubed@3202 506 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref));
dcubed@3202 507 #endif /* USDT2 */
duke@435 508
duke@435 509 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method))
duke@435 510 JNIWrapper("FromReflectedMethod");
dcubed@3202 511 #ifndef USDT2
duke@435 512 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method);
dcubed@3202 513 #else /* USDT2 */
dcubed@3202 514 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY(
dcubed@3202 515 env, method);
dcubed@3202 516 #endif /* USDT2 */
duke@435 517 jmethodID ret = NULL;
duke@435 518 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret);
duke@435 519
duke@435 520 // method is a handle to a java.lang.reflect.Method object
duke@435 521 oop reflected = JNIHandles::resolve_non_null(method);
duke@435 522 oop mirror = NULL;
duke@435 523 int slot = 0;
duke@435 524
never@1577 525 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) {
duke@435 526 mirror = java_lang_reflect_Constructor::clazz(reflected);
duke@435 527 slot = java_lang_reflect_Constructor::slot(reflected);
duke@435 528 } else {
never@1577 529 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
duke@435 530 mirror = java_lang_reflect_Method::clazz(reflected);
duke@435 531 slot = java_lang_reflect_Method::slot(reflected);
duke@435 532 }
coleenp@4037 533 Klass* k = java_lang_Class::as_Klass(mirror);
duke@435 534
duke@435 535 KlassHandle k1(THREAD, k);
duke@435 536 // Make sure class is initialized before handing id's out to methods
hseigel@4278 537 k1()->initialize(CHECK_NULL);
coleenp@4037 538 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot);
duke@435 539 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted
duke@435 540 return ret;
duke@435 541 JNI_END
duke@435 542
dcubed@3202 543 #ifndef USDT2
duke@435 544 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID);
dcubed@3202 545 #else /* USDT2 */
dcubed@3202 546 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID
dcubed@3202 547 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref));
dcubed@3202 548 #endif /* USDT2 */
duke@435 549
duke@435 550 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field))
duke@435 551 JNIWrapper("FromReflectedField");
dcubed@3202 552 #ifndef USDT2
duke@435 553 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field);
dcubed@3202 554 #else /* USDT2 */
dcubed@3202 555 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY(
dcubed@3202 556 env, field);
dcubed@3202 557 #endif /* USDT2 */
duke@435 558 jfieldID ret = NULL;
duke@435 559 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret);
duke@435 560
duke@435 561 // field is a handle to a java.lang.reflect.Field object
duke@435 562 oop reflected = JNIHandles::resolve_non_null(field);
duke@435 563 oop mirror = java_lang_reflect_Field::clazz(reflected);
coleenp@4037 564 Klass* k = java_lang_Class::as_Klass(mirror);
duke@435 565 int slot = java_lang_reflect_Field::slot(reflected);
duke@435 566 int modifiers = java_lang_reflect_Field::modifiers(reflected);
duke@435 567
duke@435 568 KlassHandle k1(THREAD, k);
duke@435 569 // Make sure class is initialized before handing id's out to fields
hseigel@4278 570 k1()->initialize(CHECK_NULL);
duke@435 571
duke@435 572 // First check if this is a static field
duke@435 573 if (modifiers & JVM_ACC_STATIC) {
coleenp@4037 574 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot );
coleenp@4037 575 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset);
duke@435 576 assert(id != NULL, "corrupt Field object");
duke@435 577 debug_only(id->set_is_static_field_id();)
coleenp@4037 578 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass*
duke@435 579 ret = jfieldIDWorkaround::to_static_jfieldID(id);
duke@435 580 return ret;
duke@435 581 }
duke@435 582
duke@435 583 // The slot is the index of the field description in the field-array
duke@435 584 // The jfieldID is the offset of the field within the object
duke@435 585 // It may also have hash bits for k, if VerifyJNIFields is turned on.
coleenp@4037 586 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot );
coleenp@4037 587 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object");
duke@435 588 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset);
duke@435 589 return ret;
duke@435 590 JNI_END
duke@435 591
dcubed@3202 592 #ifndef USDT2
duke@435 593 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject);
dcubed@3202 594 #else /* USDT2 */
dcubed@3202 595 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject
dcubed@3202 596 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref));
dcubed@3202 597 #endif /* USDT2 */
duke@435 598
duke@435 599 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic))
duke@435 600 JNIWrapper("ToReflectedMethod");
dcubed@3202 601 #ifndef USDT2
duke@435 602 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic);
dcubed@3202 603 #else /* USDT2 */
dcubed@3202 604 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY(
dcubed@3202 605 env, cls, (uintptr_t) method_id, isStatic);
dcubed@3202 606 #endif /* USDT2 */
duke@435 607 jobject ret = NULL;
duke@435 608 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret);
duke@435 609
coleenp@4037 610 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id));
duke@435 611 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match");
duke@435 612 oop reflection_method;
duke@435 613 if (m->is_initializer()) {
duke@435 614 reflection_method = Reflection::new_constructor(m, CHECK_NULL);
duke@435 615 } else {
duke@435 616 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL);
duke@435 617 }
duke@435 618 ret = JNIHandles::make_local(env, reflection_method);
duke@435 619 return ret;
duke@435 620 JNI_END
duke@435 621
dcubed@3202 622 #ifndef USDT2
duke@435 623 DT_RETURN_MARK_DECL(GetSuperclass, jclass);
dcubed@3202 624 #else /* USDT2 */
dcubed@3202 625 DT_RETURN_MARK_DECL(GetSuperclass, jclass
dcubed@3202 626 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref));
dcubed@3202 627 #endif /* USDT2 */
duke@435 628
duke@435 629 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub))
duke@435 630 JNIWrapper("GetSuperclass");
dcubed@3202 631 #ifndef USDT2
duke@435 632 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub);
dcubed@3202 633 #else /* USDT2 */
dcubed@3202 634 HOTSPOT_JNI_GETSUPERCLASS_ENTRY(
dcubed@3202 635 env, sub);
dcubed@3202 636 #endif /* USDT2 */
duke@435 637 jclass obj = NULL;
duke@435 638 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj);
duke@435 639
duke@435 640 oop mirror = JNIHandles::resolve_non_null(sub);
duke@435 641 // primitive classes return NULL
duke@435 642 if (java_lang_Class::is_primitive(mirror)) return NULL;
duke@435 643
duke@435 644 // Rules of Class.getSuperClass as implemented by KLass::java_super:
duke@435 645 // arrays return Object
duke@435 646 // interfaces return NULL
duke@435 647 // proper classes return Klass::super()
coleenp@4037 648 Klass* k = java_lang_Class::as_Klass(mirror);
hseigel@4278 649 if (k->is_interface()) return NULL;
duke@435 650
duke@435 651 // return mirror for superclass
hseigel@4278 652 Klass* super = k->java_super();
duke@435 653 // super2 is the value computed by the compiler's getSuperClass intrinsic:
hseigel@4278 654 debug_only(Klass* super2 = ( k->oop_is_array()
never@1577 655 ? SystemDictionary::Object_klass()
hseigel@4278 656 : k->super() ) );
duke@435 657 assert(super == super2,
duke@435 658 "java_super computation depends on interface, array, other super");
hseigel@4278 659 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror());
duke@435 660 return obj;
duke@435 661 JNI_END
duke@435 662
duke@435 663 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super))
duke@435 664 JNIWrapper("IsSubclassOf");
dcubed@3202 665 #ifndef USDT2
duke@435 666 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super);
dcubed@3202 667 #else /* USDT2 */
dcubed@3202 668 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY(
dcubed@3202 669 env, sub, super);
dcubed@3202 670 #endif /* USDT2 */
duke@435 671 oop sub_mirror = JNIHandles::resolve_non_null(sub);
duke@435 672 oop super_mirror = JNIHandles::resolve_non_null(super);
duke@435 673 if (java_lang_Class::is_primitive(sub_mirror) ||
duke@435 674 java_lang_Class::is_primitive(super_mirror)) {
duke@435 675 jboolean ret = (sub_mirror == super_mirror);
dcubed@3202 676 #ifndef USDT2
duke@435 677 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret);
dcubed@3202 678 #else /* USDT2 */
dcubed@3202 679 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(
dcubed@3202 680 ret);
dcubed@3202 681 #endif /* USDT2 */
duke@435 682 return ret;
duke@435 683 }
coleenp@4037 684 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror);
coleenp@4037 685 Klass* super_klass = java_lang_Class::as_Klass(super_mirror);
duke@435 686 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom");
hseigel@4278 687 jboolean ret = sub_klass->is_subtype_of(super_klass) ?
duke@435 688 JNI_TRUE : JNI_FALSE;
dcubed@3202 689 #ifndef USDT2
duke@435 690 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret);
dcubed@3202 691 #else /* USDT2 */
dcubed@3202 692 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(
dcubed@3202 693 ret);
dcubed@3202 694 #endif /* USDT2 */
duke@435 695 return ret;
duke@435 696 JNI_END
duke@435 697
dcubed@3202 698 #ifndef USDT2
duke@435 699 DT_RETURN_MARK_DECL(Throw, jint);
dcubed@3202 700 #else /* USDT2 */
dcubed@3202 701 DT_RETURN_MARK_DECL(Throw, jint
dcubed@3202 702 , HOTSPOT_JNI_THROW_RETURN(_ret_ref));
dcubed@3202 703 #endif /* USDT2 */
duke@435 704
duke@435 705 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj))
duke@435 706 JNIWrapper("Throw");
dcubed@3202 707 #ifndef USDT2
duke@435 708 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj);
dcubed@3202 709 #else /* USDT2 */
dcubed@3202 710 HOTSPOT_JNI_THROW_ENTRY(
dcubed@3202 711 env, obj);
dcubed@3202 712 #endif /* USDT2 */
duke@435 713 jint ret = JNI_OK;
duke@435 714 DT_RETURN_MARK(Throw, jint, (const jint&)ret);
duke@435 715
duke@435 716 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK);
duke@435 717 ShouldNotReachHere();
duke@435 718 JNI_END
duke@435 719
dcubed@3202 720 #ifndef USDT2
duke@435 721 DT_RETURN_MARK_DECL(ThrowNew, jint);
dcubed@3202 722 #else /* USDT2 */
dcubed@3202 723 DT_RETURN_MARK_DECL(ThrowNew, jint
dcubed@3202 724 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref));
dcubed@3202 725 #endif /* USDT2 */
duke@435 726
duke@435 727 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message))
duke@435 728 JNIWrapper("ThrowNew");
dcubed@3202 729 #ifndef USDT2
duke@435 730 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message);
dcubed@3202 731 #else /* USDT2 */
dcubed@3202 732 HOTSPOT_JNI_THROWNEW_ENTRY(
dcubed@3202 733 env, clazz, (char *) message);
dcubed@3202 734 #endif /* USDT2 */
duke@435 735 jint ret = JNI_OK;
duke@435 736 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret);
duke@435 737
coleenp@4037 738 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
coleenp@2497 739 Symbol* name = k->name();
duke@435 740 Handle class_loader (THREAD, k->class_loader());
duke@435 741 Handle protection_domain (THREAD, k->protection_domain());
duke@435 742 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK);
duke@435 743 ShouldNotReachHere();
duke@435 744 JNI_END
duke@435 745
duke@435 746
duke@435 747 // JNI functions only transform a pending async exception to a synchronous
duke@435 748 // exception in ExceptionOccurred and ExceptionCheck calls, since
duke@435 749 // delivering an async exception in other places won't change the native
duke@435 750 // code's control flow and would be harmful when native code further calls
duke@435 751 // JNI functions with a pending exception. Async exception is also checked
duke@435 752 // during the call, so ExceptionOccurred/ExceptionCheck won't return
duke@435 753 // false but deliver the async exception at the very end during
duke@435 754 // state transition.
duke@435 755
duke@435 756 static void jni_check_async_exceptions(JavaThread *thread) {
duke@435 757 assert(thread == Thread::current(), "must be itself");
duke@435 758 thread->check_and_handle_async_exceptions();
duke@435 759 }
duke@435 760
duke@435 761 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env))
duke@435 762 JNIWrapper("ExceptionOccurred");
dcubed@3202 763 #ifndef USDT2
duke@435 764 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env);
dcubed@3202 765 #else /* USDT2 */
dcubed@3202 766 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY(
dcubed@3202 767 env);
dcubed@3202 768 #endif /* USDT2 */
duke@435 769 jni_check_async_exceptions(thread);
duke@435 770 oop exception = thread->pending_exception();
duke@435 771 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception);
dcubed@3202 772 #ifndef USDT2
duke@435 773 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret);
dcubed@3202 774 #else /* USDT2 */
dcubed@3202 775 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN(
dcubed@3202 776 ret);
dcubed@3202 777 #endif /* USDT2 */
duke@435 778 return ret;
duke@435 779 JNI_END
duke@435 780
duke@435 781
duke@435 782 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env))
duke@435 783 JNIWrapper("ExceptionDescribe");
dcubed@3202 784 #ifndef USDT2
duke@435 785 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env);
dcubed@3202 786 #else /* USDT2 */
dcubed@3202 787 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY(
dcubed@3202 788 env);
dcubed@3202 789 #endif /* USDT2 */
duke@435 790 if (thread->has_pending_exception()) {
duke@435 791 Handle ex(thread, thread->pending_exception());
duke@435 792 thread->clear_pending_exception();
never@1577 793 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) {
duke@435 794 // Don't print anything if we are being killed.
duke@435 795 } else {
duke@435 796 jio_fprintf(defaultStream::error_stream(), "Exception ");
duke@435 797 if (thread != NULL && thread->threadObj() != NULL) {
duke@435 798 ResourceMark rm(THREAD);
duke@435 799 jio_fprintf(defaultStream::error_stream(),
duke@435 800 "in thread \"%s\" ", thread->get_thread_name());
duke@435 801 }
never@1577 802 if (ex->is_a(SystemDictionary::Throwable_klass())) {
duke@435 803 JavaValue result(T_VOID);
duke@435 804 JavaCalls::call_virtual(&result,
duke@435 805 ex,
duke@435 806 KlassHandle(THREAD,
never@1577 807 SystemDictionary::Throwable_klass()),
coleenp@2497 808 vmSymbols::printStackTrace_name(),
coleenp@2497 809 vmSymbols::void_method_signature(),
duke@435 810 THREAD);
duke@435 811 // If an exception is thrown in the call it gets thrown away. Not much
duke@435 812 // we can do with it. The native code that calls this, does not check
duke@435 813 // for the exception - hence, it might still be in the thread when DestroyVM gets
duke@435 814 // called, potentially causing a few asserts to trigger - since no pending exception
duke@435 815 // is expected.
duke@435 816 CLEAR_PENDING_EXCEPTION;
duke@435 817 } else {
duke@435 818 ResourceMark rm(THREAD);
duke@435 819 jio_fprintf(defaultStream::error_stream(),
duke@435 820 ". Uncaught exception of type %s.",
hseigel@4278 821 ex->klass()->external_name());
duke@435 822 }
duke@435 823 }
duke@435 824 }
dcubed@3202 825 #ifndef USDT2
duke@435 826 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return);
dcubed@3202 827 #else /* USDT2 */
dcubed@3202 828 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN(
dcubed@3202 829 );
dcubed@3202 830 #endif /* USDT2 */
duke@435 831 JNI_END
duke@435 832
duke@435 833
duke@435 834 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env))
duke@435 835 JNIWrapper("ExceptionClear");
dcubed@3202 836 #ifndef USDT2
duke@435 837 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env);
dcubed@3202 838 #else /* USDT2 */
dcubed@3202 839 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY(
dcubed@3202 840 env);
dcubed@3202 841 #endif /* USDT2 */
duke@435 842
duke@435 843 // The jni code might be using this API to clear java thrown exception.
duke@435 844 // So just mark jvmti thread exception state as exception caught.
duke@435 845 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state();
duke@435 846 if (state != NULL && state->is_exception_detected()) {
duke@435 847 state->set_exception_caught();
duke@435 848 }
duke@435 849 thread->clear_pending_exception();
dcubed@3202 850 #ifndef USDT2
duke@435 851 DTRACE_PROBE(hotspot_jni, ExceptionClear__return);
dcubed@3202 852 #else /* USDT2 */
dcubed@3202 853 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN(
dcubed@3202 854 );
dcubed@3202 855 #endif /* USDT2 */
duke@435 856 JNI_END
duke@435 857
duke@435 858
duke@435 859 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg))
duke@435 860 JNIWrapper("FatalError");
dcubed@3202 861 #ifndef USDT2
duke@435 862 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg);
dcubed@3202 863 #else /* USDT2 */
dcubed@3202 864 HOTSPOT_JNI_FATALERROR_ENTRY(
dcubed@3202 865 env, (char *) msg);
dcubed@3202 866 #endif /* USDT2 */
duke@435 867 tty->print_cr("FATAL ERROR in native method: %s", msg);
duke@435 868 thread->print_stack();
poonam@662 869 os::abort(); // Dump core and abort
duke@435 870 JNI_END
duke@435 871
duke@435 872
duke@435 873 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity))
duke@435 874 JNIWrapper("PushLocalFrame");
dcubed@3202 875 #ifndef USDT2
duke@435 876 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity);
dcubed@3202 877 #else /* USDT2 */
dcubed@3202 878 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY(
dcubed@3202 879 env, capacity);
dcubed@3202 880 #endif /* USDT2 */
duke@435 881 //%note jni_11
duke@435 882 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) {
dcubed@3202 883 #ifndef USDT2
duke@435 884 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR);
dcubed@3202 885 #else /* USDT2 */
dcubed@3202 886 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(
dcubed@3202 887 (uint32_t)JNI_ERR);
dcubed@3202 888 #endif /* USDT2 */
duke@435 889 return JNI_ERR;
duke@435 890 }
duke@435 891 JNIHandleBlock* old_handles = thread->active_handles();
duke@435 892 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread);
duke@435 893 assert(new_handles != NULL, "should not be NULL");
duke@435 894 new_handles->set_pop_frame_link(old_handles);
duke@435 895 thread->set_active_handles(new_handles);
duke@435 896 jint ret = JNI_OK;
dcubed@3202 897 #ifndef USDT2
duke@435 898 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret);
dcubed@3202 899 #else /* USDT2 */
dcubed@3202 900 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(
dcubed@3202 901 ret);
dcubed@3202 902 #endif /* USDT2 */
duke@435 903 return ret;
duke@435 904 JNI_END
duke@435 905
duke@435 906
duke@435 907 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result))
duke@435 908 JNIWrapper("PopLocalFrame");
dcubed@3202 909 #ifndef USDT2
duke@435 910 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result);
dcubed@3202 911 #else /* USDT2 */
dcubed@3202 912 HOTSPOT_JNI_POPLOCALFRAME_ENTRY(
dcubed@3202 913 env, result);
dcubed@3202 914 #endif /* USDT2 */
duke@435 915 //%note jni_11
duke@435 916 Handle result_handle(thread, JNIHandles::resolve(result));
duke@435 917 JNIHandleBlock* old_handles = thread->active_handles();
duke@435 918 JNIHandleBlock* new_handles = old_handles->pop_frame_link();
duke@435 919 if (new_handles != NULL) {
duke@435 920 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL.
duke@435 921 // This way code will still work if PopLocalFrame is called without a corresponding
duke@435 922 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise
duke@435 923 // the release_block call will release the blocks.
duke@435 924 thread->set_active_handles(new_handles);
duke@435 925 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below
duke@435 926 JNIHandleBlock::release_block(old_handles, thread); // may block
duke@435 927 result = JNIHandles::make_local(thread, result_handle());
duke@435 928 }
dcubed@3202 929 #ifndef USDT2
duke@435 930 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result);
dcubed@3202 931 #else /* USDT2 */
dcubed@3202 932 HOTSPOT_JNI_POPLOCALFRAME_RETURN(
dcubed@3202 933 result);
dcubed@3202 934 #endif /* USDT2 */
duke@435 935 return result;
duke@435 936 JNI_END
duke@435 937
duke@435 938
duke@435 939 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref))
duke@435 940 JNIWrapper("NewGlobalRef");
dcubed@3202 941 #ifndef USDT2
duke@435 942 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref);
dcubed@3202 943 #else /* USDT2 */
dcubed@3202 944 HOTSPOT_JNI_NEWGLOBALREF_ENTRY(
dcubed@3202 945 env, ref);
dcubed@3202 946 #endif /* USDT2 */
duke@435 947 Handle ref_handle(thread, JNIHandles::resolve(ref));
duke@435 948 jobject ret = JNIHandles::make_global(ref_handle);
dcubed@3202 949 #ifndef USDT2
duke@435 950 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret);
dcubed@3202 951 #else /* USDT2 */
dcubed@3202 952 HOTSPOT_JNI_NEWGLOBALREF_RETURN(
dcubed@3202 953 ret);
dcubed@3202 954 #endif /* USDT2 */
duke@435 955 return ret;
duke@435 956 JNI_END
duke@435 957
duke@435 958 // Must be JNI_ENTRY (with HandleMark)
duke@435 959 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref))
duke@435 960 JNIWrapper("DeleteGlobalRef");
dcubed@3202 961 #ifndef USDT2
duke@435 962 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref);
dcubed@3202 963 #else /* USDT2 */
dcubed@3202 964 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY(
dcubed@3202 965 env, ref);
dcubed@3202 966 #endif /* USDT2 */
duke@435 967 JNIHandles::destroy_global(ref);
dcubed@3202 968 #ifndef USDT2
duke@435 969 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return);
dcubed@3202 970 #else /* USDT2 */
dcubed@3202 971 HOTSPOT_JNI_DELETEGLOBALREF_RETURN(
dcubed@3202 972 );
dcubed@3202 973 #endif /* USDT2 */
duke@435 974 JNI_END
duke@435 975
duke@435 976 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj))
duke@435 977 JNIWrapper("DeleteLocalRef");
dcubed@3202 978 #ifndef USDT2
duke@435 979 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj);
dcubed@3202 980 #else /* USDT2 */
dcubed@3202 981 HOTSPOT_JNI_DELETELOCALREF_ENTRY(
dcubed@3202 982 env, obj);
dcubed@3202 983 #endif /* USDT2 */
duke@435 984 JNIHandles::destroy_local(obj);
dcubed@3202 985 #ifndef USDT2
duke@435 986 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return);
dcubed@3202 987 #else /* USDT2 */
dcubed@3202 988 HOTSPOT_JNI_DELETELOCALREF_RETURN(
dcubed@3202 989 );
dcubed@3202 990 #endif /* USDT2 */
duke@435 991 JNI_END
duke@435 992
duke@435 993 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2))
duke@435 994 JNIWrapper("IsSameObject");
dcubed@3202 995 #ifndef USDT2
duke@435 996 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2);
dcubed@3202 997 #else /* USDT2 */
dcubed@3202 998 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY(
dcubed@3202 999 env, r1, r2);
dcubed@3202 1000 #endif /* USDT2 */
duke@435 1001 oop a = JNIHandles::resolve(r1);
duke@435 1002 oop b = JNIHandles::resolve(r2);
duke@435 1003 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE;
dcubed@3202 1004 #ifndef USDT2
duke@435 1005 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret);
dcubed@3202 1006 #else /* USDT2 */
dcubed@3202 1007 HOTSPOT_JNI_ISSAMEOBJECT_RETURN(
dcubed@3202 1008 ret);
dcubed@3202 1009 #endif /* USDT2 */
duke@435 1010 return ret;
duke@435 1011 JNI_END
duke@435 1012
duke@435 1013
duke@435 1014 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref))
duke@435 1015 JNIWrapper("NewLocalRef");
dcubed@3202 1016 #ifndef USDT2
duke@435 1017 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref);
dcubed@3202 1018 #else /* USDT2 */
dcubed@3202 1019 HOTSPOT_JNI_NEWLOCALREF_ENTRY(
dcubed@3202 1020 env, ref);
dcubed@3202 1021 #endif /* USDT2 */
duke@435 1022 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref));
dcubed@3202 1023 #ifndef USDT2
duke@435 1024 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret);
dcubed@3202 1025 #else /* USDT2 */
dcubed@3202 1026 HOTSPOT_JNI_NEWLOCALREF_RETURN(
dcubed@3202 1027 ret);
dcubed@3202 1028 #endif /* USDT2 */
duke@435 1029 return ret;
duke@435 1030 JNI_END
duke@435 1031
duke@435 1032 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity))
duke@435 1033 JNIWrapper("EnsureLocalCapacity");
dcubed@3202 1034 #ifndef USDT2
duke@435 1035 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity);
dcubed@3202 1036 #else /* USDT2 */
dcubed@3202 1037 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY(
dcubed@3202 1038 env, capacity);
dcubed@3202 1039 #endif /* USDT2 */
duke@435 1040 jint ret;
duke@435 1041 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) {
duke@435 1042 ret = JNI_OK;
duke@435 1043 } else {
duke@435 1044 ret = JNI_ERR;
duke@435 1045 }
dcubed@3202 1046 #ifndef USDT2
duke@435 1047 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret);
dcubed@3202 1048 #else /* USDT2 */
dcubed@3202 1049 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN(
dcubed@3202 1050 ret);
dcubed@3202 1051 #endif /* USDT2 */
duke@435 1052 return ret;
duke@435 1053 JNI_END
duke@435 1054
duke@435 1055 // Return the Handle Type
duke@435 1056 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj))
duke@435 1057 JNIWrapper("GetObjectRefType");
dcubed@3202 1058 #ifndef USDT2
duke@435 1059 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj);
dcubed@3202 1060 #else /* USDT2 */
dcubed@3202 1061 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY(
dcubed@3202 1062 env, obj);
dcubed@3202 1063 #endif /* USDT2 */
duke@435 1064 jobjectRefType ret;
duke@435 1065 if (JNIHandles::is_local_handle(thread, obj) ||
duke@435 1066 JNIHandles::is_frame_handle(thread, obj))
duke@435 1067 ret = JNILocalRefType;
duke@435 1068 else if (JNIHandles::is_global_handle(obj))
duke@435 1069 ret = JNIGlobalRefType;
duke@435 1070 else if (JNIHandles::is_weak_global_handle(obj))
duke@435 1071 ret = JNIWeakGlobalRefType;
duke@435 1072 else
duke@435 1073 ret = JNIInvalidRefType;
dcubed@3202 1074 #ifndef USDT2
duke@435 1075 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret);
dcubed@3202 1076 #else /* USDT2 */
dcubed@3202 1077 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN(
dcubed@3202 1078 (void *) ret);
dcubed@3202 1079 #endif /* USDT2 */
duke@435 1080 return ret;
duke@435 1081 JNI_END
duke@435 1082
duke@435 1083
duke@435 1084 class JNI_ArgumentPusher : public SignatureIterator {
duke@435 1085 protected:
duke@435 1086 JavaCallArguments* _arguments;
duke@435 1087
duke@435 1088 virtual void get_bool () = 0;
duke@435 1089 virtual void get_char () = 0;
duke@435 1090 virtual void get_short () = 0;
duke@435 1091 virtual void get_byte () = 0;
duke@435 1092 virtual void get_int () = 0;
duke@435 1093 virtual void get_long () = 0;
duke@435 1094 virtual void get_float () = 0;
duke@435 1095 virtual void get_double () = 0;
duke@435 1096 virtual void get_object () = 0;
duke@435 1097
coleenp@2497 1098 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) {
duke@435 1099 this->_return_type = T_ILLEGAL;
duke@435 1100 _arguments = NULL;
duke@435 1101 }
duke@435 1102
duke@435 1103 public:
duke@435 1104 virtual void iterate( uint64_t fingerprint ) = 0;
duke@435 1105
duke@435 1106 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; }
duke@435 1107
duke@435 1108 inline void do_bool() { if (!is_return_type()) get_bool(); }
duke@435 1109 inline void do_char() { if (!is_return_type()) get_char(); }
duke@435 1110 inline void do_short() { if (!is_return_type()) get_short(); }
duke@435 1111 inline void do_byte() { if (!is_return_type()) get_byte(); }
duke@435 1112 inline void do_int() { if (!is_return_type()) get_int(); }
duke@435 1113 inline void do_long() { if (!is_return_type()) get_long(); }
duke@435 1114 inline void do_float() { if (!is_return_type()) get_float(); }
duke@435 1115 inline void do_double() { if (!is_return_type()) get_double(); }
duke@435 1116 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); }
duke@435 1117 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 1118 inline void do_void() { }
duke@435 1119
duke@435 1120 JavaCallArguments* arguments() { return _arguments; }
duke@435 1121 void push_receiver(Handle h) { _arguments->push_oop(h); }
duke@435 1122 };
duke@435 1123
duke@435 1124
duke@435 1125 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher {
duke@435 1126 protected:
duke@435 1127 va_list _ap;
duke@435 1128
duke@435 1129 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg
duke@435 1130 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg
duke@435 1131 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg
duke@435 1132 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg
duke@435 1133 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); }
duke@435 1134
duke@435 1135 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests
duke@435 1136
duke@435 1137 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); }
duke@435 1138 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg
duke@435 1139 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); }
duke@435 1140 inline void get_object() { jobject l = va_arg(_ap, jobject);
duke@435 1141 _arguments->push_oop(Handle((oop *)l, false)); }
duke@435 1142
duke@435 1143 inline void set_ap(va_list rap) {
duke@435 1144 #ifdef va_copy
duke@435 1145 va_copy(_ap, rap);
duke@435 1146 #elif defined (__va_copy)
duke@435 1147 __va_copy(_ap, rap);
duke@435 1148 #else
duke@435 1149 _ap = rap;
duke@435 1150 #endif
duke@435 1151 }
duke@435 1152
duke@435 1153 public:
coleenp@2497 1154 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap)
coleenp@2497 1155 : JNI_ArgumentPusher(signature) {
duke@435 1156 set_ap(rap);
duke@435 1157 }
coleenp@2497 1158 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap)
coleenp@4037 1159 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) {
duke@435 1160 set_ap(rap);
duke@435 1161 }
duke@435 1162
duke@435 1163 // Optimized path if we have the bitvector form of signature
duke@435 1164 void iterate( uint64_t fingerprint ) {
duke@435 1165 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments
duke@435 1166 else {
duke@435 1167 _return_type = (BasicType)((fingerprint >> static_feature_size) &
duke@435 1168 result_feature_mask);
duke@435 1169
duke@435 1170 assert(fingerprint, "Fingerprint should not be 0");
duke@435 1171 fingerprint = fingerprint >> (static_feature_size + result_feature_size);
duke@435 1172 while ( 1 ) {
duke@435 1173 switch ( fingerprint & parameter_feature_mask ) {
duke@435 1174 case bool_parm:
duke@435 1175 case char_parm:
duke@435 1176 case short_parm:
duke@435 1177 case byte_parm:
duke@435 1178 case int_parm:
duke@435 1179 get_int();
duke@435 1180 break;
duke@435 1181 case obj_parm:
duke@435 1182 get_object();
duke@435 1183 break;
duke@435 1184 case long_parm:
duke@435 1185 get_long();
duke@435 1186 break;
duke@435 1187 case float_parm:
duke@435 1188 get_float();
duke@435 1189 break;
duke@435 1190 case double_parm:
duke@435 1191 get_double();
duke@435 1192 break;
duke@435 1193 case done_parm:
duke@435 1194 return;
duke@435 1195 break;
duke@435 1196 default:
duke@435 1197 ShouldNotReachHere();
duke@435 1198 break;
duke@435 1199 }
duke@435 1200 fingerprint >>= parameter_feature_size;
duke@435 1201 }
duke@435 1202 }
duke@435 1203 }
duke@435 1204 };
duke@435 1205
duke@435 1206
duke@435 1207 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher {
duke@435 1208 protected:
duke@435 1209 const jvalue *_ap;
duke@435 1210
duke@435 1211 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); }
duke@435 1212 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); }
duke@435 1213 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); }
duke@435 1214 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); }
duke@435 1215 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); }
duke@435 1216
duke@435 1217 inline void get_long() { _arguments->push_long((_ap++)->j); }
duke@435 1218 inline void get_float() { _arguments->push_float((_ap++)->f); }
duke@435 1219 inline void get_double() { _arguments->push_double((_ap++)->d);}
duke@435 1220 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); }
duke@435 1221
duke@435 1222 inline void set_ap(const jvalue *rap) { _ap = rap; }
duke@435 1223
duke@435 1224 public:
coleenp@2497 1225 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap)
coleenp@2497 1226 : JNI_ArgumentPusher(signature) {
duke@435 1227 set_ap(rap);
duke@435 1228 }
coleenp@2497 1229 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap)
coleenp@4037 1230 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) {
duke@435 1231 set_ap(rap);
duke@435 1232 }
duke@435 1233
duke@435 1234 // Optimized path if we have the bitvector form of signature
duke@435 1235 void iterate( uint64_t fingerprint ) {
duke@435 1236 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments
duke@435 1237 else {
duke@435 1238 _return_type = (BasicType)((fingerprint >> static_feature_size) &
duke@435 1239 result_feature_mask);
duke@435 1240 assert(fingerprint, "Fingerprint should not be 0");
duke@435 1241 fingerprint = fingerprint >> (static_feature_size + result_feature_size);
duke@435 1242 while ( 1 ) {
duke@435 1243 switch ( fingerprint & parameter_feature_mask ) {
duke@435 1244 case bool_parm:
duke@435 1245 get_bool();
duke@435 1246 break;
duke@435 1247 case char_parm:
duke@435 1248 get_char();
duke@435 1249 break;
duke@435 1250 case short_parm:
duke@435 1251 get_short();
duke@435 1252 break;
duke@435 1253 case byte_parm:
duke@435 1254 get_byte();
duke@435 1255 break;
duke@435 1256 case int_parm:
duke@435 1257 get_int();
duke@435 1258 break;
duke@435 1259 case obj_parm:
duke@435 1260 get_object();
duke@435 1261 break;
duke@435 1262 case long_parm:
duke@435 1263 get_long();
duke@435 1264 break;
duke@435 1265 case float_parm:
duke@435 1266 get_float();
duke@435 1267 break;
duke@435 1268 case double_parm:
duke@435 1269 get_double();
duke@435 1270 break;
duke@435 1271 case done_parm:
duke@435 1272 return;
duke@435 1273 break;
duke@435 1274 default:
duke@435 1275 ShouldNotReachHere();
duke@435 1276 break;
duke@435 1277 }
duke@435 1278 fingerprint >>= parameter_feature_size;
duke@435 1279 }
duke@435 1280 }
duke@435 1281 }
duke@435 1282 };
duke@435 1283
duke@435 1284
duke@435 1285 enum JNICallType {
duke@435 1286 JNI_STATIC,
duke@435 1287 JNI_VIRTUAL,
duke@435 1288 JNI_NONVIRTUAL
duke@435 1289 };
duke@435 1290
duke@435 1291 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) {
duke@435 1292 assert(!method.is_null() , "method should not be null");
duke@435 1293
duke@435 1294 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc)
duke@435 1295 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass());
duke@435 1296 KlassHandle spec_klass (THREAD, method->method_holder());
coleenp@2497 1297 Symbol* name = method->name();
coleenp@2497 1298 Symbol* signature = method->signature();
duke@435 1299 CallInfo info;
duke@435 1300 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle()));
duke@435 1301 return info.selected_method();
duke@435 1302 }
duke@435 1303
duke@435 1304 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) {
duke@435 1305 assert(!method.is_null() , "method should not be null");
duke@435 1306
duke@435 1307 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc)
duke@435 1308 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass());
duke@435 1309 KlassHandle spec_klass (THREAD, method->method_holder());
coleenp@2497 1310 Symbol* name = method->name();
coleenp@2497 1311 Symbol* signature = method->signature();
duke@435 1312 CallInfo info;
duke@435 1313 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle()));
duke@435 1314 return info.selected_method();
duke@435 1315 }
duke@435 1316
duke@435 1317
duke@435 1318
duke@435 1319 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) {
coleenp@4037 1320 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id));
duke@435 1321
duke@435 1322 // Create object to hold arguments for the JavaCall, and associate it with
duke@435 1323 // the jni parser
duke@435 1324 ResourceMark rm(THREAD);
duke@435 1325 int number_of_parameters = method->size_of_parameters();
duke@435 1326 JavaCallArguments java_args(number_of_parameters);
duke@435 1327 args->set_java_argument_object(&java_args);
duke@435 1328
duke@435 1329 assert(method->is_static(), "method should be static");
duke@435 1330
duke@435 1331 // Fill out JavaCallArguments object
coleenp@2497 1332 args->iterate( Fingerprinter(method).fingerprint() );
duke@435 1333 // Initialize result type
duke@435 1334 result->set_type(args->get_ret_type());
duke@435 1335
duke@435 1336 // Invoke the method. Result is returned as oop.
duke@435 1337 JavaCalls::call(result, method, &java_args, CHECK);
duke@435 1338
duke@435 1339 // Convert result
duke@435 1340 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) {
duke@435 1341 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject()));
duke@435 1342 }
duke@435 1343 }
duke@435 1344
duke@435 1345
duke@435 1346 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) {
duke@435 1347 oop recv = JNIHandles::resolve(receiver);
duke@435 1348 if (recv == NULL) {
duke@435 1349 THROW(vmSymbols::java_lang_NullPointerException());
duke@435 1350 }
duke@435 1351 Handle h_recv(THREAD, recv);
duke@435 1352
duke@435 1353 int number_of_parameters;
coleenp@4037 1354 Method* selected_method;
duke@435 1355 {
coleenp@4037 1356 Method* m = Method::resolve_jmethod_id(method_id);
duke@435 1357 number_of_parameters = m->size_of_parameters();
coleenp@4037 1358 Klass* holder = m->method_holder();
hseigel@4278 1359 if (!(holder)->is_interface()) {
duke@435 1360 // non-interface call -- for that little speed boost, don't handlize
duke@435 1361 debug_only(No_Safepoint_Verifier nosafepoint;)
duke@435 1362 if (call_type == JNI_VIRTUAL) {
duke@435 1363 // jni_GetMethodID makes sure class is linked and initialized
duke@435 1364 // so m should have a valid vtable index.
duke@435 1365 int vtbl_index = m->vtable_index();
coleenp@4037 1366 if (vtbl_index != Method::nonvirtual_vtable_index) {
coleenp@4037 1367 Klass* k = h_recv->klass();
duke@435 1368 // k might be an arrayKlassOop but all vtables start at
duke@435 1369 // the same place. The cast is to avoid virtual call and assertion.
coleenp@4037 1370 InstanceKlass *ik = (InstanceKlass*)k;
duke@435 1371 selected_method = ik->method_at_vtable(vtbl_index);
duke@435 1372 } else {
duke@435 1373 // final method
duke@435 1374 selected_method = m;
duke@435 1375 }
duke@435 1376 } else {
duke@435 1377 // JNI_NONVIRTUAL call
duke@435 1378 selected_method = m;
duke@435 1379 }
duke@435 1380 } else {
duke@435 1381 // interface call
duke@435 1382 KlassHandle h_holder(THREAD, holder);
duke@435 1383
duke@435 1384 int itbl_index = m->cached_itable_index();
duke@435 1385 if (itbl_index == -1) {
duke@435 1386 itbl_index = klassItable::compute_itable_index(m);
duke@435 1387 m->set_cached_itable_index(itbl_index);
duke@435 1388 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again
duke@435 1389 }
coleenp@4037 1390 Klass* k = h_recv->klass();
coleenp@4037 1391 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK);
duke@435 1392 }
duke@435 1393 }
duke@435 1394
duke@435 1395 methodHandle method(THREAD, selected_method);
duke@435 1396
duke@435 1397 // Create object to hold arguments for the JavaCall, and associate it with
duke@435 1398 // the jni parser
duke@435 1399 ResourceMark rm(THREAD);
duke@435 1400 JavaCallArguments java_args(number_of_parameters);
duke@435 1401 args->set_java_argument_object(&java_args);
duke@435 1402
duke@435 1403 // handle arguments
duke@435 1404 assert(!method->is_static(), "method should not be static");
duke@435 1405 args->push_receiver(h_recv); // Push jobject handle
duke@435 1406
duke@435 1407 // Fill out JavaCallArguments object
coleenp@2497 1408 args->iterate( Fingerprinter(method).fingerprint() );
duke@435 1409 // Initialize result type
duke@435 1410 result->set_type(args->get_ret_type());
duke@435 1411
duke@435 1412 // Invoke the method. Result is returned as oop.
duke@435 1413 JavaCalls::call(result, method, &java_args, CHECK);
duke@435 1414
duke@435 1415 // Convert result
duke@435 1416 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) {
duke@435 1417 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject()));
duke@435 1418 }
duke@435 1419 }
duke@435 1420
duke@435 1421
duke@435 1422 static instanceOop alloc_object(jclass clazz, TRAPS) {
coleenp@4037 1423 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
hseigel@4278 1424 k()->check_valid_for_instantiation(false, CHECK_NULL);
coleenp@4037 1425 InstanceKlass::cast(k())->initialize(CHECK_NULL);
coleenp@4037 1426 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD);
duke@435 1427 return ih;
duke@435 1428 }
duke@435 1429
dcubed@3202 1430 #ifndef USDT2
duke@435 1431 DT_RETURN_MARK_DECL(AllocObject, jobject);
dcubed@3202 1432 #else /* USDT2 */
dcubed@3202 1433 DT_RETURN_MARK_DECL(AllocObject, jobject
dcubed@3202 1434 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref));
dcubed@3202 1435 #endif /* USDT2 */
duke@435 1436
duke@435 1437 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz))
duke@435 1438 JNIWrapper("AllocObject");
duke@435 1439
dcubed@3202 1440 #ifndef USDT2
duke@435 1441 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz);
dcubed@3202 1442 #else /* USDT2 */
dcubed@3202 1443 HOTSPOT_JNI_ALLOCOBJECT_ENTRY(
dcubed@3202 1444 env, clazz);
dcubed@3202 1445 #endif /* USDT2 */
duke@435 1446 jobject ret = NULL;
duke@435 1447 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret);
duke@435 1448
duke@435 1449 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1450 ret = JNIHandles::make_local(env, i);
duke@435 1451 return ret;
duke@435 1452 JNI_END
duke@435 1453
dcubed@3202 1454 #ifndef USDT2
duke@435 1455 DT_RETURN_MARK_DECL(NewObjectA, jobject);
dcubed@3202 1456 #else /* USDT2 */
dcubed@3202 1457 DT_RETURN_MARK_DECL(NewObjectA, jobject
dcubed@3202 1458 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref));
dcubed@3202 1459 #endif /* USDT2 */
duke@435 1460
duke@435 1461 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args))
duke@435 1462 JNIWrapper("NewObjectA");
dcubed@3202 1463 #ifndef USDT2
duke@435 1464 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID);
dcubed@3202 1465 #else /* USDT2 */
dcubed@3202 1466 HOTSPOT_JNI_NEWOBJECTA_ENTRY(
dcubed@3202 1467 env, clazz, (uintptr_t) methodID);
dcubed@3202 1468 #endif /* USDT2 */
duke@435 1469 jobject obj = NULL;
duke@435 1470 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj);
duke@435 1471
duke@435 1472 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1473 obj = JNIHandles::make_local(env, i);
duke@435 1474 JavaValue jvalue(T_VOID);
coleenp@2497 1475 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 1476 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
duke@435 1477 return obj;
duke@435 1478 JNI_END
duke@435 1479
dcubed@3202 1480 #ifndef USDT2
duke@435 1481 DT_RETURN_MARK_DECL(NewObjectV, jobject);
dcubed@3202 1482 #else /* USDT2 */
dcubed@3202 1483 DT_RETURN_MARK_DECL(NewObjectV, jobject
dcubed@3202 1484 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref));
dcubed@3202 1485 #endif /* USDT2 */
duke@435 1486
duke@435 1487 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args))
duke@435 1488 JNIWrapper("NewObjectV");
dcubed@3202 1489 #ifndef USDT2
duke@435 1490 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID);
dcubed@3202 1491 #else /* USDT2 */
dcubed@3202 1492 HOTSPOT_JNI_NEWOBJECTV_ENTRY(
dcubed@3202 1493 env, clazz, (uintptr_t) methodID);
dcubed@3202 1494 #endif /* USDT2 */
duke@435 1495 jobject obj = NULL;
duke@435 1496 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj);
duke@435 1497
duke@435 1498 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1499 obj = JNIHandles::make_local(env, i);
duke@435 1500 JavaValue jvalue(T_VOID);
coleenp@2497 1501 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1502 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
duke@435 1503 return obj;
duke@435 1504 JNI_END
duke@435 1505
dcubed@3202 1506 #ifndef USDT2
duke@435 1507 DT_RETURN_MARK_DECL(NewObject, jobject);
dcubed@3202 1508 #else /* USDT2 */
dcubed@3202 1509 DT_RETURN_MARK_DECL(NewObject, jobject
dcubed@3202 1510 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref));
dcubed@3202 1511 #endif /* USDT2 */
duke@435 1512
duke@435 1513 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...))
duke@435 1514 JNIWrapper("NewObject");
dcubed@3202 1515 #ifndef USDT2
duke@435 1516 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID);
dcubed@3202 1517 #else /* USDT2 */
dcubed@3202 1518 HOTSPOT_JNI_NEWOBJECT_ENTRY(
dcubed@3202 1519 env, clazz, (uintptr_t) methodID);
dcubed@3202 1520 #endif /* USDT2 */
duke@435 1521 jobject obj = NULL;
duke@435 1522 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj);
duke@435 1523
duke@435 1524 instanceOop i = alloc_object(clazz, CHECK_NULL);
duke@435 1525 obj = JNIHandles::make_local(env, i);
duke@435 1526 va_list args;
duke@435 1527 va_start(args, methodID);
duke@435 1528 JavaValue jvalue(T_VOID);
coleenp@2497 1529 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1530 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
duke@435 1531 va_end(args);
duke@435 1532 return obj;
duke@435 1533 JNI_END
duke@435 1534
duke@435 1535
duke@435 1536 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj))
duke@435 1537 JNIWrapper("GetObjectClass");
dcubed@3202 1538 #ifndef USDT2
duke@435 1539 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj);
dcubed@3202 1540 #else /* USDT2 */
dcubed@3202 1541 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY(
dcubed@3202 1542 env, obj);
dcubed@3202 1543 #endif /* USDT2 */
coleenp@4037 1544 Klass* k = JNIHandles::resolve_non_null(obj)->klass();
duke@435 1545 jclass ret =
hseigel@4278 1546 (jclass) JNIHandles::make_local(env, k->java_mirror());
dcubed@3202 1547 #ifndef USDT2
duke@435 1548 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret);
dcubed@3202 1549 #else /* USDT2 */
dcubed@3202 1550 HOTSPOT_JNI_GETOBJECTCLASS_RETURN(
dcubed@3202 1551 ret);
dcubed@3202 1552 #endif /* USDT2 */
duke@435 1553 return ret;
duke@435 1554 JNI_END
duke@435 1555
duke@435 1556 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz))
duke@435 1557 JNIWrapper("IsInstanceOf");
dcubed@3202 1558 #ifndef USDT2
duke@435 1559 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz);
dcubed@3202 1560 #else /* USDT2 */
dcubed@3202 1561 HOTSPOT_JNI_ISINSTANCEOF_ENTRY(
dcubed@3202 1562 env, obj, clazz);
dcubed@3202 1563 #endif /* USDT2 */
duke@435 1564 jboolean ret = JNI_TRUE;
duke@435 1565 if (obj != NULL) {
duke@435 1566 ret = JNI_FALSE;
coleenp@4037 1567 Klass* k = java_lang_Class::as_Klass(
duke@435 1568 JNIHandles::resolve_non_null(clazz));
duke@435 1569 if (k != NULL) {
duke@435 1570 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE;
duke@435 1571 }
duke@435 1572 }
dcubed@3202 1573 #ifndef USDT2
duke@435 1574 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret);
dcubed@3202 1575 #else /* USDT2 */
dcubed@3202 1576 HOTSPOT_JNI_ISINSTANCEOF_RETURN(
dcubed@3202 1577 ret);
dcubed@3202 1578 #endif /* USDT2 */
duke@435 1579 return ret;
duke@435 1580 JNI_END
duke@435 1581
duke@435 1582
duke@435 1583 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str,
duke@435 1584 const char *sig, bool is_static, TRAPS) {
duke@435 1585 // %%%% This code should probably just call into a method in the LinkResolver
duke@435 1586 //
duke@435 1587 // The class should have been loaded (we have an instance of the class
duke@435 1588 // passed in) so the method and signature should already be in the symbol
duke@435 1589 // table. If they're not there, the method doesn't exist.
coleenp@2497 1590 const char *name_to_probe = (name_str == NULL)
coleenp@2497 1591 ? vmSymbols::object_initializer_name()->as_C_string()
coleenp@2497 1592 : name_str;
coleenp@2497 1593 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe));
coleenp@2497 1594 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig));
coleenp@2497 1595
coleenp@2497 1596 if (name == NULL || signature == NULL) {
duke@435 1597 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
duke@435 1598 }
duke@435 1599
duke@435 1600 // Throw a NoSuchMethodError exception if we have an instance of a
duke@435 1601 // primitive java.lang.Class
duke@435 1602 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) {
duke@435 1603 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
duke@435 1604 }
duke@435 1605
duke@435 1606 KlassHandle klass(THREAD,
coleenp@4037 1607 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 1608
duke@435 1609 // Make sure class is linked and initialized before handing id's out to
coleenp@4037 1610 // Method*s.
hseigel@4278 1611 klass()->initialize(CHECK_NULL);
duke@435 1612
coleenp@4037 1613 Method* m;
coleenp@2497 1614 if (name == vmSymbols::object_initializer_name() ||
coleenp@2497 1615 name == vmSymbols::class_initializer_name()) {
duke@435 1616 // Never search superclasses for constructors
duke@435 1617 if (klass->oop_is_instance()) {
coleenp@4037 1618 m = InstanceKlass::cast(klass())->find_method(name, signature);
duke@435 1619 } else {
duke@435 1620 m = NULL;
duke@435 1621 }
duke@435 1622 } else {
coleenp@2497 1623 m = klass->lookup_method(name, signature);
duke@435 1624 // Look up interfaces
duke@435 1625 if (m == NULL && klass->oop_is_instance()) {
coleenp@4037 1626 m = InstanceKlass::cast(klass())->lookup_method_in_all_interfaces(name,
coleenp@2497 1627 signature);
duke@435 1628 }
duke@435 1629 }
duke@435 1630 if (m == NULL || (m->is_static() != is_static)) {
duke@435 1631 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
duke@435 1632 }
duke@435 1633 return m->jmethod_id();
duke@435 1634 }
duke@435 1635
duke@435 1636
duke@435 1637 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz,
duke@435 1638 const char *name, const char *sig))
duke@435 1639 JNIWrapper("GetMethodID");
dcubed@3202 1640 #ifndef USDT2
duke@435 1641 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig);
dcubed@3202 1642 #else /* USDT2 */
dcubed@3202 1643 HOTSPOT_JNI_GETMETHODID_ENTRY(
dcubed@3202 1644 env, clazz, (char *) name, (char *) sig);
dcubed@3202 1645 #endif /* USDT2 */
duke@435 1646 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread);
dcubed@3202 1647 #ifndef USDT2
duke@435 1648 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret);
dcubed@3202 1649 #else /* USDT2 */
dcubed@3202 1650 HOTSPOT_JNI_GETMETHODID_RETURN(
dcubed@3202 1651 (uintptr_t) ret);
dcubed@3202 1652 #endif /* USDT2 */
duke@435 1653 return ret;
duke@435 1654 JNI_END
duke@435 1655
duke@435 1656
duke@435 1657 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz,
duke@435 1658 const char *name, const char *sig))
duke@435 1659 JNIWrapper("GetStaticMethodID");
dcubed@3202 1660 #ifndef USDT2
duke@435 1661 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig);
dcubed@3202 1662 #else /* USDT2 */
dcubed@3202 1663 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY(
dcubed@3202 1664 env, (char *) clazz, (char *) name, (char *)sig);
dcubed@3202 1665 #endif /* USDT2 */
duke@435 1666 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread);
dcubed@3202 1667 #ifndef USDT2
duke@435 1668 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret);
dcubed@3202 1669 #else /* USDT2 */
dcubed@3202 1670 HOTSPOT_JNI_GETSTATICMETHODID_RETURN(
dcubed@3202 1671 (uintptr_t) ret);
dcubed@3202 1672 #endif /* USDT2 */
duke@435 1673 return ret;
duke@435 1674 JNI_END
duke@435 1675
duke@435 1676
duke@435 1677
duke@435 1678 //
duke@435 1679 // Calling Methods
duke@435 1680 //
duke@435 1681
dcubed@3202 1682 #ifndef USDT2
duke@435 1683 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \
duke@435 1684 \
duke@435 1685 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\
duke@435 1686 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\
duke@435 1687 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\
duke@435 1688 \
duke@435 1689 JNI_ENTRY(ResultType, \
duke@435 1690 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \
duke@435 1691 JNIWrapper("Call" XSTR(Result) "Method"); \
duke@435 1692 \
dcubed@3202 1693 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \
duke@435 1694 ResultType ret = 0;\
duke@435 1695 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \
duke@435 1696 (const ResultType&)ret);\
duke@435 1697 \
duke@435 1698 va_list args; \
duke@435 1699 va_start(args, methodID); \
duke@435 1700 JavaValue jvalue(Tag); \
coleenp@2497 1701 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 1702 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1703 va_end(args); \
duke@435 1704 ret = jvalue.get_##ResultType(); \
duke@435 1705 return ret;\
duke@435 1706 JNI_END \
duke@435 1707 \
duke@435 1708 \
duke@435 1709 JNI_ENTRY(ResultType, \
duke@435 1710 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \
duke@435 1711 JNIWrapper("Call" XSTR(Result) "MethodV"); \
duke@435 1712 \
dcubed@3202 1713 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \
duke@435 1714 ResultType ret = 0;\
duke@435 1715 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \
duke@435 1716 (const ResultType&)ret);\
duke@435 1717 \
duke@435 1718 JavaValue jvalue(Tag); \
coleenp@2497 1719 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 1720 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1721 ret = jvalue.get_##ResultType(); \
duke@435 1722 return ret;\
duke@435 1723 JNI_END \
duke@435 1724 \
duke@435 1725 \
duke@435 1726 JNI_ENTRY(ResultType, \
duke@435 1727 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \
duke@435 1728 JNIWrapper("Call" XSTR(Result) "MethodA"); \
dcubed@3202 1729 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \
duke@435 1730 ResultType ret = 0;\
duke@435 1731 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \
duke@435 1732 (const ResultType&)ret);\
duke@435 1733 \
duke@435 1734 JavaValue jvalue(Tag); \
coleenp@2497 1735 JNI_ArgumentPusherArray ap(methodID, args); \
duke@435 1736 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1737 ret = jvalue.get_##ResultType(); \
duke@435 1738 return ret;\
duke@435 1739 JNI_END
duke@435 1740
duke@435 1741 // the runtime type of subword integral basic types is integer
duke@435 1742 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN)
duke@435 1743 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE)
duke@435 1744 DEFINE_CALLMETHOD(jchar, Char, T_CHAR)
duke@435 1745 DEFINE_CALLMETHOD(jshort, Short, T_SHORT)
duke@435 1746
duke@435 1747 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT)
duke@435 1748 DEFINE_CALLMETHOD(jint, Int, T_INT)
duke@435 1749 DEFINE_CALLMETHOD(jlong, Long, T_LONG)
duke@435 1750 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT)
duke@435 1751 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE)
duke@435 1752
duke@435 1753 DT_VOID_RETURN_MARK_DECL(CallVoidMethod);
duke@435 1754 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV);
duke@435 1755 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA);
duke@435 1756
dcubed@3202 1757 #else /* USDT2 */
dcubed@3202 1758
dcubed@3202 1759 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \
dcubed@3202 1760 , EntryProbe, ReturnProbe) \
dcubed@3202 1761 \
dcubed@3202 1762 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \
dcubed@3202 1763 , ReturnProbe); \
dcubed@3202 1764 \
dcubed@3202 1765 JNI_ENTRY(ResultType, \
dcubed@3202 1766 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \
dcubed@3202 1767 JNIWrapper("Call" XSTR(Result) "Method"); \
dcubed@3202 1768 \
dcubed@3202 1769 EntryProbe; \
dcubed@3202 1770 ResultType ret = 0;\
dcubed@3202 1771 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \
dcubed@3202 1772 (const ResultType&)ret);\
dcubed@3202 1773 \
dcubed@3202 1774 va_list args; \
dcubed@3202 1775 va_start(args, methodID); \
dcubed@3202 1776 JavaValue jvalue(Tag); \
dcubed@3202 1777 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 1778 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 1779 va_end(args); \
dcubed@3202 1780 ret = jvalue.get_##ResultType(); \
dcubed@3202 1781 return ret;\
dcubed@3202 1782 JNI_END
dcubed@3202 1783
dcubed@3202 1784 // the runtime type of subword integral basic types is integer
dcubed@3202 1785 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN
dcubed@3202 1786 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1787 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref))
dcubed@3202 1788 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE
dcubed@3202 1789 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1790 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref))
dcubed@3202 1791 DEFINE_CALLMETHOD(jchar, Char, T_CHAR
dcubed@3202 1792 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1793 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref))
dcubed@3202 1794 DEFINE_CALLMETHOD(jshort, Short, T_SHORT
dcubed@3202 1795 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1796 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref))
dcubed@3202 1797
dcubed@3202 1798 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT
dcubed@3202 1799 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1800 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref))
dcubed@3202 1801 DEFINE_CALLMETHOD(jint, Int, T_INT,
dcubed@3202 1802 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1803 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref))
dcubed@3202 1804 DEFINE_CALLMETHOD(jlong, Long, T_LONG
dcubed@3202 1805 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1806 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref))
dcubed@3202 1807 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 1808 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT
dcubed@3202 1809 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1810 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN())
dcubed@3202 1811 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE
dcubed@3202 1812 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1813 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN())
dcubed@3202 1814
dcubed@3202 1815 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \
dcubed@3202 1816 , EntryProbe, ReturnProbe) \
dcubed@3202 1817 \
dcubed@3202 1818 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \
dcubed@3202 1819 , ReturnProbe); \
dcubed@3202 1820 \
dcubed@3202 1821 JNI_ENTRY(ResultType, \
dcubed@3202 1822 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \
dcubed@3202 1823 JNIWrapper("Call" XSTR(Result) "MethodV"); \
dcubed@3202 1824 \
dcubed@3202 1825 EntryProbe;\
dcubed@3202 1826 ResultType ret = 0;\
dcubed@3202 1827 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \
dcubed@3202 1828 (const ResultType&)ret);\
dcubed@3202 1829 \
dcubed@3202 1830 JavaValue jvalue(Tag); \
dcubed@3202 1831 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 1832 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 1833 ret = jvalue.get_##ResultType(); \
dcubed@3202 1834 return ret;\
dcubed@3202 1835 JNI_END
dcubed@3202 1836
dcubed@3202 1837 // the runtime type of subword integral basic types is integer
dcubed@3202 1838 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN
dcubed@3202 1839 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1840 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref))
dcubed@3202 1841 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE
dcubed@3202 1842 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1843 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref))
dcubed@3202 1844 DEFINE_CALLMETHODV(jchar, Char, T_CHAR
dcubed@3202 1845 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1846 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref))
dcubed@3202 1847 DEFINE_CALLMETHODV(jshort, Short, T_SHORT
dcubed@3202 1848 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1849 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref))
dcubed@3202 1850
dcubed@3202 1851 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT
dcubed@3202 1852 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1853 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref))
dcubed@3202 1854 DEFINE_CALLMETHODV(jint, Int, T_INT,
dcubed@3202 1855 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1856 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref))
dcubed@3202 1857 DEFINE_CALLMETHODV(jlong, Long, T_LONG
dcubed@3202 1858 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1859 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref))
dcubed@3202 1860 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 1861 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT
dcubed@3202 1862 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1863 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN())
dcubed@3202 1864 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE
dcubed@3202 1865 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1866 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN())
dcubed@3202 1867
dcubed@3202 1868 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \
dcubed@3202 1869 , EntryProbe, ReturnProbe) \
dcubed@3202 1870 \
dcubed@3202 1871 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \
dcubed@3202 1872 , ReturnProbe); \
dcubed@3202 1873 \
dcubed@3202 1874 JNI_ENTRY(ResultType, \
dcubed@3202 1875 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \
dcubed@3202 1876 JNIWrapper("Call" XSTR(Result) "MethodA"); \
dcubed@3202 1877 EntryProbe; \
dcubed@3202 1878 ResultType ret = 0;\
dcubed@3202 1879 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \
dcubed@3202 1880 (const ResultType&)ret);\
dcubed@3202 1881 \
dcubed@3202 1882 JavaValue jvalue(Tag); \
dcubed@3202 1883 JNI_ArgumentPusherArray ap(methodID, args); \
dcubed@3202 1884 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 1885 ret = jvalue.get_##ResultType(); \
dcubed@3202 1886 return ret;\
dcubed@3202 1887 JNI_END
dcubed@3202 1888
dcubed@3202 1889 // the runtime type of subword integral basic types is integer
dcubed@3202 1890 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN
dcubed@3202 1891 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1892 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref))
dcubed@3202 1893 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE
dcubed@3202 1894 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1895 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref))
dcubed@3202 1896 DEFINE_CALLMETHODA(jchar, Char, T_CHAR
dcubed@3202 1897 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1898 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref))
dcubed@3202 1899 DEFINE_CALLMETHODA(jshort, Short, T_SHORT
dcubed@3202 1900 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1901 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref))
dcubed@3202 1902
dcubed@3202 1903 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT
dcubed@3202 1904 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1905 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref))
dcubed@3202 1906 DEFINE_CALLMETHODA(jint, Int, T_INT,
dcubed@3202 1907 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1908 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref))
dcubed@3202 1909 DEFINE_CALLMETHODA(jlong, Long, T_LONG
dcubed@3202 1910 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1911 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref))
dcubed@3202 1912 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 1913 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT
dcubed@3202 1914 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1915 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN())
dcubed@3202 1916 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE
dcubed@3202 1917 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
dcubed@3202 1918 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN())
dcubed@3202 1919
dcubed@3202 1920 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN());
dcubed@3202 1921 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN());
dcubed@3202 1922 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN());
dcubed@3202 1923
dcubed@3202 1924 #endif /* USDT2 */
dcubed@3202 1925
duke@435 1926 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...))
duke@435 1927 JNIWrapper("CallVoidMethod");
dcubed@3202 1928 #ifndef USDT2
duke@435 1929 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID);
dcubed@3202 1930 #else /* USDT2 */
dcubed@3202 1931 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY(
dcubed@3202 1932 env, obj, (uintptr_t) methodID);
dcubed@3202 1933 #endif /* USDT2 */
duke@435 1934 DT_VOID_RETURN_MARK(CallVoidMethod);
duke@435 1935
duke@435 1936 va_list args;
duke@435 1937 va_start(args, methodID);
duke@435 1938 JavaValue jvalue(T_VOID);
coleenp@2497 1939 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1940 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
duke@435 1941 va_end(args);
duke@435 1942 JNI_END
duke@435 1943
duke@435 1944
duke@435 1945 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args))
duke@435 1946 JNIWrapper("CallVoidMethodV");
dcubed@3202 1947 #ifndef USDT2
duke@435 1948 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID);
dcubed@3202 1949 #else /* USDT2 */
dcubed@3202 1950 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY(
dcubed@3202 1951 env, obj, (uintptr_t) methodID);
dcubed@3202 1952 #endif /* USDT2 */
duke@435 1953 DT_VOID_RETURN_MARK(CallVoidMethodV);
duke@435 1954
duke@435 1955 JavaValue jvalue(T_VOID);
coleenp@2497 1956 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 1957 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
duke@435 1958 JNI_END
duke@435 1959
duke@435 1960
duke@435 1961 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args))
duke@435 1962 JNIWrapper("CallVoidMethodA");
dcubed@3202 1963 #ifndef USDT2
duke@435 1964 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID);
dcubed@3202 1965 #else /* USDT2 */
dcubed@3202 1966 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY(
dcubed@3202 1967 env, obj, (uintptr_t) methodID);
dcubed@3202 1968 #endif /* USDT2 */
duke@435 1969 DT_VOID_RETURN_MARK(CallVoidMethodA);
duke@435 1970
duke@435 1971 JavaValue jvalue(T_VOID);
coleenp@2497 1972 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 1973 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
duke@435 1974 JNI_END
duke@435 1975
duke@435 1976
dcubed@3202 1977 #ifndef USDT2
duke@435 1978 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \
duke@435 1979 \
duke@435 1980 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\
duke@435 1981 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\
duke@435 1982 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\
duke@435 1983 \
duke@435 1984 JNI_ENTRY(ResultType, \
duke@435 1985 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \
duke@435 1986 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \
duke@435 1987 \
duke@435 1988 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\
duke@435 1989 ResultType ret;\
duke@435 1990 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \
duke@435 1991 (const ResultType&)ret);\
duke@435 1992 \
duke@435 1993 va_list args; \
duke@435 1994 va_start(args, methodID); \
duke@435 1995 JavaValue jvalue(Tag); \
coleenp@2497 1996 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 1997 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
duke@435 1998 va_end(args); \
duke@435 1999 ret = jvalue.get_##ResultType(); \
duke@435 2000 return ret;\
duke@435 2001 JNI_END \
duke@435 2002 \
duke@435 2003 JNI_ENTRY(ResultType, \
duke@435 2004 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \
duke@435 2005 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \
duke@435 2006 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\
duke@435 2007 ResultType ret;\
duke@435 2008 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \
duke@435 2009 (const ResultType&)ret);\
duke@435 2010 \
duke@435 2011 JavaValue jvalue(Tag); \
coleenp@2497 2012 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 2013 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
duke@435 2014 ret = jvalue.get_##ResultType(); \
duke@435 2015 return ret;\
duke@435 2016 JNI_END \
duke@435 2017 \
duke@435 2018 JNI_ENTRY(ResultType, \
duke@435 2019 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \
duke@435 2020 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \
duke@435 2021 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\
duke@435 2022 ResultType ret;\
duke@435 2023 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \
duke@435 2024 (const ResultType&)ret);\
duke@435 2025 \
duke@435 2026 JavaValue jvalue(Tag); \
coleenp@2497 2027 JNI_ArgumentPusherArray ap(methodID, args); \
duke@435 2028 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
duke@435 2029 ret = jvalue.get_##ResultType(); \
duke@435 2030 return ret;\
duke@435 2031 JNI_END
duke@435 2032
duke@435 2033 // the runtime type of subword integral basic types is integer
duke@435 2034 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN)
duke@435 2035 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE)
duke@435 2036 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR)
duke@435 2037 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT)
duke@435 2038
duke@435 2039 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT)
duke@435 2040 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT)
duke@435 2041 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG)
duke@435 2042 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT)
duke@435 2043 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE)
duke@435 2044
duke@435 2045
duke@435 2046 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod);
duke@435 2047 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV);
duke@435 2048 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA);
duke@435 2049
dcubed@3202 2050 #else /* USDT2 */
dcubed@3202 2051
dcubed@3202 2052 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \
dcubed@3202 2053 , EntryProbe, ReturnProbe) \
dcubed@3202 2054 \
dcubed@3202 2055 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \
dcubed@3202 2056 , ReturnProbe);\
dcubed@3202 2057 \
dcubed@3202 2058 JNI_ENTRY(ResultType, \
dcubed@3202 2059 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \
dcubed@3202 2060 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \
dcubed@3202 2061 \
dcubed@3202 2062 EntryProbe;\
dcubed@3202 2063 ResultType ret;\
dcubed@3202 2064 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \
dcubed@3202 2065 (const ResultType&)ret);\
dcubed@3202 2066 \
dcubed@3202 2067 va_list args; \
dcubed@3202 2068 va_start(args, methodID); \
dcubed@3202 2069 JavaValue jvalue(Tag); \
dcubed@3202 2070 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2071 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 2072 va_end(args); \
dcubed@3202 2073 ret = jvalue.get_##ResultType(); \
dcubed@3202 2074 return ret;\
dcubed@3202 2075 JNI_END
dcubed@3202 2076
dcubed@3202 2077 // the runtime type of subword integral basic types is integer
dcubed@3202 2078 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2079 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2080 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref))
dcubed@3202 2081 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE
dcubed@3202 2082 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2083 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref))
dcubed@3202 2084 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR
dcubed@3202 2085 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2086 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref))
dcubed@3202 2087 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT
dcubed@3202 2088 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2089 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref))
dcubed@3202 2090
dcubed@3202 2091 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT
dcubed@3202 2092 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2093 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref))
dcubed@3202 2094 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT
dcubed@3202 2095 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2096 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref))
dcubed@3202 2097 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG
dcubed@3202 2098 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2099 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2100 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref))
dcubed@3202 2101 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT
dcubed@3202 2102 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2103 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN())
dcubed@3202 2104 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE
dcubed@3202 2105 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2106 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN())
dcubed@3202 2107
dcubed@3202 2108 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \
dcubed@3202 2109 , EntryProbe, ReturnProbe) \
dcubed@3202 2110 \
dcubed@3202 2111 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \
dcubed@3202 2112 , ReturnProbe);\
dcubed@3202 2113 \
dcubed@3202 2114 JNI_ENTRY(ResultType, \
dcubed@3202 2115 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \
dcubed@3202 2116 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \
dcubed@3202 2117 \
dcubed@3202 2118 EntryProbe;\
dcubed@3202 2119 ResultType ret;\
dcubed@3202 2120 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \
dcubed@3202 2121 (const ResultType&)ret);\
dcubed@3202 2122 \
dcubed@3202 2123 JavaValue jvalue(Tag); \
dcubed@3202 2124 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2125 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 2126 ret = jvalue.get_##ResultType(); \
dcubed@3202 2127 return ret;\
dcubed@3202 2128 JNI_END
dcubed@3202 2129
dcubed@3202 2130 // the runtime type of subword integral basic types is integer
dcubed@3202 2131 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2132 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2133 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref))
dcubed@3202 2134 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE
dcubed@3202 2135 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2136 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref))
dcubed@3202 2137 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR
dcubed@3202 2138 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2139 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref))
dcubed@3202 2140 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT
dcubed@3202 2141 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2142 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref))
dcubed@3202 2143
dcubed@3202 2144 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT
dcubed@3202 2145 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2146 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref))
dcubed@3202 2147 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT
dcubed@3202 2148 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2149 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref))
dcubed@3202 2150 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG
dcubed@3202 2151 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2152 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2153 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref))
dcubed@3202 2154 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT
dcubed@3202 2155 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2156 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN())
dcubed@3202 2157 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE
dcubed@3202 2158 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2159 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN())
dcubed@3202 2160
dcubed@3202 2161 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \
dcubed@3202 2162 , EntryProbe, ReturnProbe) \
dcubed@3202 2163 \
dcubed@3202 2164 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \
dcubed@3202 2165 , ReturnProbe);\
dcubed@3202 2166 \
dcubed@3202 2167 JNI_ENTRY(ResultType, \
dcubed@3202 2168 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \
dcubed@3202 2169 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \
dcubed@3202 2170 \
dcubed@3202 2171 EntryProbe;\
dcubed@3202 2172 ResultType ret;\
dcubed@3202 2173 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \
dcubed@3202 2174 (const ResultType&)ret);\
dcubed@3202 2175 \
dcubed@3202 2176 JavaValue jvalue(Tag); \
dcubed@3202 2177 JNI_ArgumentPusherArray ap(methodID, args); \
dcubed@3202 2178 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
dcubed@3202 2179 ret = jvalue.get_##ResultType(); \
dcubed@3202 2180 return ret;\
dcubed@3202 2181 JNI_END
dcubed@3202 2182
dcubed@3202 2183 // the runtime type of subword integral basic types is integer
dcubed@3202 2184 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2185 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2186 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref))
dcubed@3202 2187 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE
dcubed@3202 2188 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2189 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref))
dcubed@3202 2190 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR
dcubed@3202 2191 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2192 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref))
dcubed@3202 2193 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT
dcubed@3202 2194 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2195 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref))
dcubed@3202 2196
dcubed@3202 2197 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT
dcubed@3202 2198 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2199 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref))
dcubed@3202 2200 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT
dcubed@3202 2201 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2202 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref))
dcubed@3202 2203 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG
dcubed@3202 2204 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2205 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2206 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref))
dcubed@3202 2207 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT
dcubed@3202 2208 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2209 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN())
dcubed@3202 2210 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE
dcubed@3202 2211 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
dcubed@3202 2212 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN())
dcubed@3202 2213
dcubed@3202 2214 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod
dcubed@3202 2215 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN());
dcubed@3202 2216 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV
dcubed@3202 2217 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN());
dcubed@3202 2218 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA
dcubed@3202 2219 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN());
dcubed@3202 2220 #endif /* USDT2 */
dcubed@3202 2221
duke@435 2222 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...))
duke@435 2223 JNIWrapper("CallNonvirtualVoidMethod");
duke@435 2224
dcubed@3202 2225 #ifndef USDT2
duke@435 2226 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry,
duke@435 2227 env, obj, cls, methodID);
dcubed@3202 2228 #else /* USDT2 */
dcubed@3202 2229 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY(
dcubed@3202 2230 env, obj, cls, (uintptr_t) methodID);
dcubed@3202 2231 #endif /* USDT2 */
duke@435 2232 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod);
duke@435 2233
duke@435 2234 va_list args;
duke@435 2235 va_start(args, methodID);
duke@435 2236 JavaValue jvalue(T_VOID);
coleenp@2497 2237 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2238 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
duke@435 2239 va_end(args);
duke@435 2240 JNI_END
duke@435 2241
duke@435 2242
duke@435 2243 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args))
duke@435 2244 JNIWrapper("CallNonvirtualVoidMethodV");
duke@435 2245
dcubed@3202 2246 #ifndef USDT2
duke@435 2247 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry,
duke@435 2248 env, obj, cls, methodID);
dcubed@3202 2249 #else /* USDT2 */
dcubed@3202 2250 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY(
dcubed@3202 2251 env, obj, cls, (uintptr_t) methodID);
dcubed@3202 2252 #endif /* USDT2 */
duke@435 2253 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV);
duke@435 2254
duke@435 2255 JavaValue jvalue(T_VOID);
coleenp@2497 2256 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2257 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
duke@435 2258 JNI_END
duke@435 2259
duke@435 2260
duke@435 2261 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args))
duke@435 2262 JNIWrapper("CallNonvirtualVoidMethodA");
dcubed@3202 2263 #ifndef USDT2
duke@435 2264 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry,
duke@435 2265 env, obj, cls, methodID);
dcubed@3202 2266 #else /* USDT2 */
dcubed@3202 2267 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY(
dcubed@3202 2268 env, obj, cls, (uintptr_t) methodID);
dcubed@3202 2269 #endif /* USDT2 */
duke@435 2270 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA);
duke@435 2271 JavaValue jvalue(T_VOID);
coleenp@2497 2272 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 2273 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
duke@435 2274 JNI_END
duke@435 2275
duke@435 2276
dcubed@3202 2277 #ifndef USDT2
duke@435 2278 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \
duke@435 2279 \
duke@435 2280 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\
duke@435 2281 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\
duke@435 2282 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\
duke@435 2283 \
duke@435 2284 JNI_ENTRY(ResultType, \
duke@435 2285 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \
duke@435 2286 JNIWrapper("CallStatic" XSTR(Result) "Method"); \
duke@435 2287 \
duke@435 2288 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\
duke@435 2289 ResultType ret = 0;\
duke@435 2290 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \
duke@435 2291 (const ResultType&)ret);\
duke@435 2292 \
duke@435 2293 va_list args; \
duke@435 2294 va_start(args, methodID); \
duke@435 2295 JavaValue jvalue(Tag); \
coleenp@2497 2296 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 2297 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
duke@435 2298 va_end(args); \
duke@435 2299 ret = jvalue.get_##ResultType(); \
duke@435 2300 return ret;\
duke@435 2301 JNI_END \
duke@435 2302 \
duke@435 2303 JNI_ENTRY(ResultType, \
duke@435 2304 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \
duke@435 2305 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \
duke@435 2306 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\
duke@435 2307 ResultType ret = 0;\
duke@435 2308 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \
duke@435 2309 (const ResultType&)ret);\
duke@435 2310 \
duke@435 2311 JavaValue jvalue(Tag); \
coleenp@2497 2312 JNI_ArgumentPusherVaArg ap(methodID, args); \
duke@435 2313 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
duke@435 2314 ret = jvalue.get_##ResultType(); \
duke@435 2315 return ret;\
duke@435 2316 JNI_END \
duke@435 2317 \
duke@435 2318 JNI_ENTRY(ResultType, \
duke@435 2319 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \
duke@435 2320 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \
duke@435 2321 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\
duke@435 2322 ResultType ret = 0;\
duke@435 2323 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \
duke@435 2324 (const ResultType&)ret);\
duke@435 2325 \
duke@435 2326 JavaValue jvalue(Tag); \
coleenp@2497 2327 JNI_ArgumentPusherArray ap(methodID, args); \
duke@435 2328 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
duke@435 2329 ret = jvalue.get_##ResultType(); \
duke@435 2330 return ret;\
duke@435 2331 JNI_END
duke@435 2332
duke@435 2333 // the runtime type of subword integral basic types is integer
duke@435 2334 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN)
duke@435 2335 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE)
duke@435 2336 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR)
duke@435 2337 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT)
duke@435 2338
duke@435 2339 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT)
duke@435 2340 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT)
duke@435 2341 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG)
duke@435 2342 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT)
duke@435 2343 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE)
duke@435 2344
duke@435 2345
duke@435 2346 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod);
duke@435 2347 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV);
duke@435 2348 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA);
duke@435 2349
dcubed@3202 2350 #else /* USDT2 */
dcubed@3202 2351
dcubed@3202 2352 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \
dcubed@3202 2353 , EntryProbe, ResultProbe) \
dcubed@3202 2354 \
dcubed@3202 2355 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \
dcubed@3202 2356 , ResultProbe); \
dcubed@3202 2357 \
dcubed@3202 2358 JNI_ENTRY(ResultType, \
dcubed@3202 2359 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \
dcubed@3202 2360 JNIWrapper("CallStatic" XSTR(Result) "Method"); \
dcubed@3202 2361 \
dcubed@3202 2362 EntryProbe; \
dcubed@3202 2363 ResultType ret = 0;\
dcubed@3202 2364 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \
dcubed@3202 2365 (const ResultType&)ret);\
dcubed@3202 2366 \
dcubed@3202 2367 va_list args; \
dcubed@3202 2368 va_start(args, methodID); \
dcubed@3202 2369 JavaValue jvalue(Tag); \
dcubed@3202 2370 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2371 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
dcubed@3202 2372 va_end(args); \
dcubed@3202 2373 ret = jvalue.get_##ResultType(); \
dcubed@3202 2374 return ret;\
dcubed@3202 2375 JNI_END
dcubed@3202 2376
dcubed@3202 2377 // the runtime type of subword integral basic types is integer
dcubed@3202 2378 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2379 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2380 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref));
dcubed@3202 2381 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE
dcubed@3202 2382 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2383 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref));
dcubed@3202 2384 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR
dcubed@3202 2385 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2386 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref));
dcubed@3202 2387 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT
dcubed@3202 2388 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2389 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref));
dcubed@3202 2390
dcubed@3202 2391 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT
dcubed@3202 2392 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2393 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref));
dcubed@3202 2394 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT
dcubed@3202 2395 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2396 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref));
dcubed@3202 2397 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG
dcubed@3202 2398 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2399 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref));
dcubed@3202 2400 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2401 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT
dcubed@3202 2402 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2403 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN());
dcubed@3202 2404 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE
dcubed@3202 2405 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2406 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN());
dcubed@3202 2407
dcubed@3202 2408 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \
dcubed@3202 2409 , EntryProbe, ResultProbe) \
dcubed@3202 2410 \
dcubed@3202 2411 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \
dcubed@3202 2412 , ResultProbe); \
dcubed@3202 2413 \
dcubed@3202 2414 JNI_ENTRY(ResultType, \
dcubed@3202 2415 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \
dcubed@3202 2416 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \
dcubed@3202 2417 \
dcubed@3202 2418 EntryProbe; \
dcubed@3202 2419 ResultType ret = 0;\
dcubed@3202 2420 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \
dcubed@3202 2421 (const ResultType&)ret);\
dcubed@3202 2422 \
dcubed@3202 2423 JavaValue jvalue(Tag); \
dcubed@3202 2424 JNI_ArgumentPusherVaArg ap(methodID, args); \
dcubed@3202 2425 /* Make sure class is initialized before trying to invoke its method */ \
coleenp@4037 2426 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \
hseigel@4278 2427 k()->initialize(CHECK_0); \
dcubed@3202 2428 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
dcubed@3202 2429 va_end(args); \
dcubed@3202 2430 ret = jvalue.get_##ResultType(); \
dcubed@3202 2431 return ret;\
dcubed@3202 2432 JNI_END
dcubed@3202 2433
dcubed@3202 2434 // the runtime type of subword integral basic types is integer
dcubed@3202 2435 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2436 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2437 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref));
dcubed@3202 2438 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE
dcubed@3202 2439 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2440 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref));
dcubed@3202 2441 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR
dcubed@3202 2442 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2443 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref));
dcubed@3202 2444 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT
dcubed@3202 2445 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2446 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref));
dcubed@3202 2447
dcubed@3202 2448 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT
dcubed@3202 2449 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2450 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref));
dcubed@3202 2451 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT
dcubed@3202 2452 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2453 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref));
dcubed@3202 2454 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG
dcubed@3202 2455 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2456 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref));
dcubed@3202 2457 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2458 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT
dcubed@3202 2459 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2460 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN());
dcubed@3202 2461 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE
dcubed@3202 2462 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2463 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN());
dcubed@3202 2464
dcubed@3202 2465 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \
dcubed@3202 2466 , EntryProbe, ResultProbe) \
dcubed@3202 2467 \
dcubed@3202 2468 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \
dcubed@3202 2469 , ResultProbe); \
dcubed@3202 2470 \
dcubed@3202 2471 JNI_ENTRY(ResultType, \
dcubed@3202 2472 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \
dcubed@3202 2473 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \
dcubed@3202 2474 \
dcubed@3202 2475 EntryProbe; \
dcubed@3202 2476 ResultType ret = 0;\
dcubed@3202 2477 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \
dcubed@3202 2478 (const ResultType&)ret);\
dcubed@3202 2479 \
dcubed@3202 2480 JavaValue jvalue(Tag); \
dcubed@3202 2481 JNI_ArgumentPusherArray ap(methodID, args); \
dcubed@3202 2482 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
dcubed@3202 2483 ret = jvalue.get_##ResultType(); \
dcubed@3202 2484 return ret;\
dcubed@3202 2485 JNI_END
dcubed@3202 2486
dcubed@3202 2487 // the runtime type of subword integral basic types is integer
dcubed@3202 2488 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN
dcubed@3202 2489 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2490 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref));
dcubed@3202 2491 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE
dcubed@3202 2492 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2493 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref));
dcubed@3202 2494 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR
dcubed@3202 2495 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2496 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref));
dcubed@3202 2497 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT
dcubed@3202 2498 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2499 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref));
dcubed@3202 2500
dcubed@3202 2501 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT
dcubed@3202 2502 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2503 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref));
dcubed@3202 2504 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT
dcubed@3202 2505 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2506 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref));
dcubed@3202 2507 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG
dcubed@3202 2508 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2509 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref));
dcubed@3202 2510 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2511 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT
dcubed@3202 2512 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2513 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN());
dcubed@3202 2514 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE
dcubed@3202 2515 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
dcubed@3202 2516 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN());
dcubed@3202 2517
dcubed@3202 2518 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod
dcubed@3202 2519 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN());
dcubed@3202 2520 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV
dcubed@3202 2521 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN());
dcubed@3202 2522 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA
dcubed@3202 2523 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN());
dcubed@3202 2524 #endif /* USDT2 */
dcubed@3202 2525
duke@435 2526 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...))
duke@435 2527 JNIWrapper("CallStaticVoidMethod");
dcubed@3202 2528 #ifndef USDT2
duke@435 2529 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID);
dcubed@3202 2530 #else /* USDT2 */
dcubed@3202 2531 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY(
dcubed@3202 2532 env, cls, (uintptr_t) methodID);
dcubed@3202 2533 #endif /* USDT2 */
duke@435 2534 DT_VOID_RETURN_MARK(CallStaticVoidMethod);
duke@435 2535
duke@435 2536 va_list args;
duke@435 2537 va_start(args, methodID);
duke@435 2538 JavaValue jvalue(T_VOID);
coleenp@2497 2539 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2540 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
duke@435 2541 va_end(args);
duke@435 2542 JNI_END
duke@435 2543
duke@435 2544
duke@435 2545 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args))
duke@435 2546 JNIWrapper("CallStaticVoidMethodV");
dcubed@3202 2547 #ifndef USDT2
duke@435 2548 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID);
dcubed@3202 2549 #else /* USDT2 */
dcubed@3202 2550 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY(
dcubed@3202 2551 env, cls, (uintptr_t) methodID);
dcubed@3202 2552 #endif /* USDT2 */
duke@435 2553 DT_VOID_RETURN_MARK(CallStaticVoidMethodV);
duke@435 2554
duke@435 2555 JavaValue jvalue(T_VOID);
coleenp@2497 2556 JNI_ArgumentPusherVaArg ap(methodID, args);
duke@435 2557 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
duke@435 2558 JNI_END
duke@435 2559
duke@435 2560
duke@435 2561 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args))
duke@435 2562 JNIWrapper("CallStaticVoidMethodA");
dcubed@3202 2563 #ifndef USDT2
duke@435 2564 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID);
dcubed@3202 2565 #else /* USDT2 */
dcubed@3202 2566 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY(
dcubed@3202 2567 env, cls, (uintptr_t) methodID);
dcubed@3202 2568 #endif /* USDT2 */
duke@435 2569 DT_VOID_RETURN_MARK(CallStaticVoidMethodA);
duke@435 2570
duke@435 2571 JavaValue jvalue(T_VOID);
coleenp@2497 2572 JNI_ArgumentPusherArray ap(methodID, args);
duke@435 2573 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
duke@435 2574 JNI_END
duke@435 2575
duke@435 2576
duke@435 2577 //
duke@435 2578 // Accessing Fields
duke@435 2579 //
duke@435 2580
duke@435 2581
dcubed@3202 2582 #ifndef USDT2
duke@435 2583 DT_RETURN_MARK_DECL(GetFieldID, jfieldID);
dcubed@3202 2584 #else /* USDT2 */
dcubed@3202 2585 DT_RETURN_MARK_DECL(GetFieldID, jfieldID
dcubed@3202 2586 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref));
dcubed@3202 2587 #endif /* USDT2 */
duke@435 2588
duke@435 2589 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz,
duke@435 2590 const char *name, const char *sig))
duke@435 2591 JNIWrapper("GetFieldID");
dcubed@3202 2592 #ifndef USDT2
duke@435 2593 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig);
dcubed@3202 2594 #else /* USDT2 */
dcubed@3202 2595 HOTSPOT_JNI_GETFIELDID_ENTRY(
dcubed@3202 2596 env, clazz, (char *) name, (char *) sig);
dcubed@3202 2597 #endif /* USDT2 */
duke@435 2598 jfieldID ret = 0;
duke@435 2599 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret);
duke@435 2600
duke@435 2601 // The class should have been loaded (we have an instance of the class
duke@435 2602 // passed in) so the field and signature should already be in the symbol
duke@435 2603 // table. If they're not there, the field doesn't exist.
coleenp@2497 2604 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name));
coleenp@2497 2605 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig));
coleenp@2497 2606 if (fieldname == NULL || signame == NULL) {
duke@435 2607 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2608 }
duke@435 2609 KlassHandle k(THREAD,
coleenp@4037 2610 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 2611 // Make sure class is initialized before handing id's out to fields
hseigel@4278 2612 k()->initialize(CHECK_NULL);
duke@435 2613
duke@435 2614 fieldDescriptor fd;
hseigel@4278 2615 if (!k()->oop_is_instance() ||
coleenp@4037 2616 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) {
duke@435 2617 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2618 }
duke@435 2619
duke@435 2620 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop
duke@435 2621 // It may also have hash bits for k, if VerifyJNIFields is turned on.
duke@435 2622 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset());
duke@435 2623 return ret;
duke@435 2624 JNI_END
duke@435 2625
duke@435 2626
duke@435 2627 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID))
duke@435 2628 JNIWrapper("GetObjectField");
dcubed@3202 2629 #ifndef USDT2
duke@435 2630 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID);
dcubed@3202 2631 #else /* USDT2 */
dcubed@3202 2632 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY(
dcubed@3202 2633 env, obj, (uintptr_t) fieldID);
dcubed@3202 2634 #endif /* USDT2 */
duke@435 2635 oop o = JNIHandles::resolve_non_null(obj);
coleenp@4037 2636 Klass* k = o->klass();
duke@435 2637 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
duke@435 2638 // Keep JVMTI addition small and only check enabled flag here.
duke@435 2639 // jni_GetField_probe() assumes that is okay to create handles.
duke@435 2640 if (JvmtiExport::should_post_field_access()) {
duke@435 2641 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false);
duke@435 2642 }
duke@435 2643 jobject ret = JNIHandles::make_local(env, o->obj_field(offset));
johnc@2781 2644 #ifndef SERIALGC
johnc@2781 2645 // If G1 is enabled and we are accessing the value of the referent
johnc@2781 2646 // field in a reference object then we need to register a non-null
johnc@2781 2647 // referent with the SATB barrier.
johnc@2781 2648 if (UseG1GC) {
johnc@2781 2649 bool needs_barrier = false;
johnc@2781 2650
johnc@2781 2651 if (ret != NULL &&
johnc@2781 2652 offset == java_lang_ref_Reference::referent_offset &&
coleenp@4037 2653 InstanceKlass::cast(k)->reference_type() != REF_NONE) {
coleenp@4037 2654 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity");
johnc@2781 2655 needs_barrier = true;
johnc@2781 2656 }
johnc@2781 2657
johnc@2781 2658 if (needs_barrier) {
johnc@2781 2659 oop referent = JNIHandles::resolve(ret);
johnc@2781 2660 G1SATBCardTableModRefBS::enqueue(referent);
johnc@2781 2661 }
johnc@2781 2662 }
johnc@2781 2663 #endif // SERIALGC
dcubed@3202 2664 #ifndef USDT2
duke@435 2665 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret);
dcubed@3202 2666 #else /* USDT2 */
dcubed@3202 2667 HOTSPOT_JNI_GETOBJECTFIELD_RETURN(
dcubed@3202 2668 ret);
dcubed@3202 2669 #endif /* USDT2 */
duke@435 2670 return ret;
duke@435 2671 JNI_END
duke@435 2672
duke@435 2673
dcubed@3202 2674 #ifndef USDT2
duke@435 2675 #define DEFINE_GETFIELD(Return,Fieldname,Result) \
duke@435 2676 \
duke@435 2677 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\
duke@435 2678 \
duke@435 2679 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \
duke@435 2680 JNIWrapper("Get" XSTR(Result) "Field"); \
duke@435 2681 \
duke@435 2682 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\
duke@435 2683 Return ret = 0;\
duke@435 2684 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\
duke@435 2685 \
duke@435 2686 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2687 Klass* k = o->klass(); \
duke@435 2688 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
duke@435 2689 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 2690 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \
duke@435 2691 /* and creates a ResetNoHandleMark. */ \
duke@435 2692 if (JvmtiExport::should_post_field_access()) { \
duke@435 2693 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \
duke@435 2694 } \
duke@435 2695 ret = o->Fieldname##_field(offset); \
duke@435 2696 return ret; \
duke@435 2697 JNI_END
duke@435 2698
duke@435 2699 DEFINE_GETFIELD(jboolean, bool, Boolean)
duke@435 2700 DEFINE_GETFIELD(jbyte, byte, Byte)
duke@435 2701 DEFINE_GETFIELD(jchar, char, Char)
duke@435 2702 DEFINE_GETFIELD(jshort, short, Short)
duke@435 2703 DEFINE_GETFIELD(jint, int, Int)
duke@435 2704 DEFINE_GETFIELD(jlong, long, Long)
duke@435 2705 DEFINE_GETFIELD(jfloat, float, Float)
duke@435 2706 DEFINE_GETFIELD(jdouble, double, Double)
duke@435 2707
dcubed@3202 2708 #else /* USDT2 */
dcubed@3202 2709
dcubed@3202 2710 #define DEFINE_GETFIELD(Return,Fieldname,Result \
dcubed@3202 2711 , EntryProbe, ReturnProbe) \
dcubed@3202 2712 \
dcubed@3202 2713 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \
dcubed@3202 2714 , ReturnProbe); \
dcubed@3202 2715 \
dcubed@3202 2716 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \
dcubed@3202 2717 JNIWrapper("Get" XSTR(Result) "Field"); \
dcubed@3202 2718 \
dcubed@3202 2719 EntryProbe; \
dcubed@3202 2720 Return ret = 0;\
dcubed@3202 2721 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\
dcubed@3202 2722 \
dcubed@3202 2723 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2724 Klass* k = o->klass(); \
dcubed@3202 2725 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
dcubed@3202 2726 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 2727 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \
dcubed@3202 2728 /* and creates a ResetNoHandleMark. */ \
dcubed@3202 2729 if (JvmtiExport::should_post_field_access()) { \
dcubed@3202 2730 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \
dcubed@3202 2731 } \
dcubed@3202 2732 ret = o->Fieldname##_field(offset); \
dcubed@3202 2733 return ret; \
dcubed@3202 2734 JNI_END
dcubed@3202 2735
dcubed@3202 2736 DEFINE_GETFIELD(jboolean, bool, Boolean
dcubed@3202 2737 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2738 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref))
dcubed@3202 2739 DEFINE_GETFIELD(jbyte, byte, Byte
dcubed@3202 2740 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2741 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref))
dcubed@3202 2742 DEFINE_GETFIELD(jchar, char, Char
dcubed@3202 2743 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2744 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref))
dcubed@3202 2745 DEFINE_GETFIELD(jshort, short, Short
dcubed@3202 2746 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2747 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref))
dcubed@3202 2748 DEFINE_GETFIELD(jint, int, Int
dcubed@3202 2749 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2750 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref))
dcubed@3202 2751 DEFINE_GETFIELD(jlong, long, Long
dcubed@3202 2752 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2753 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref))
dcubed@3202 2754 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2755 DEFINE_GETFIELD(jfloat, float, Float
dcubed@3202 2756 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2757 HOTSPOT_JNI_GETFLOATFIELD_RETURN())
dcubed@3202 2758 DEFINE_GETFIELD(jdouble, double, Double
dcubed@3202 2759 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2760 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN())
dcubed@3202 2761 #endif /* USDT2 */
dcubed@3202 2762
duke@435 2763 address jni_GetBooleanField_addr() {
duke@435 2764 return (address)jni_GetBooleanField;
duke@435 2765 }
duke@435 2766 address jni_GetByteField_addr() {
duke@435 2767 return (address)jni_GetByteField;
duke@435 2768 }
duke@435 2769 address jni_GetCharField_addr() {
duke@435 2770 return (address)jni_GetCharField;
duke@435 2771 }
duke@435 2772 address jni_GetShortField_addr() {
duke@435 2773 return (address)jni_GetShortField;
duke@435 2774 }
duke@435 2775 address jni_GetIntField_addr() {
duke@435 2776 return (address)jni_GetIntField;
duke@435 2777 }
duke@435 2778 address jni_GetLongField_addr() {
duke@435 2779 return (address)jni_GetLongField;
duke@435 2780 }
duke@435 2781 address jni_GetFloatField_addr() {
duke@435 2782 return (address)jni_GetFloatField;
duke@435 2783 }
duke@435 2784 address jni_GetDoubleField_addr() {
duke@435 2785 return (address)jni_GetDoubleField;
duke@435 2786 }
duke@435 2787
duke@435 2788 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value))
duke@435 2789 JNIWrapper("SetObjectField");
dcubed@3202 2790 #ifndef USDT2
duke@435 2791 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value);
dcubed@3202 2792 #else /* USDT2 */
dcubed@3202 2793 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY(
dcubed@3202 2794 env, obj, (uintptr_t) fieldID, value);
dcubed@3202 2795 #endif /* USDT2 */
duke@435 2796 oop o = JNIHandles::resolve_non_null(obj);
coleenp@4037 2797 Klass* k = o->klass();
duke@435 2798 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
duke@435 2799 // Keep JVMTI addition small and only check enabled flag here.
duke@435 2800 // jni_SetField_probe_nh() assumes that is not okay to create handles
duke@435 2801 // and creates a ResetNoHandleMark.
duke@435 2802 if (JvmtiExport::should_post_field_modification()) {
duke@435 2803 jvalue field_value;
duke@435 2804 field_value.l = value;
duke@435 2805 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value);
duke@435 2806 }
duke@435 2807 o->obj_field_put(offset, JNIHandles::resolve(value));
dcubed@3202 2808 #ifndef USDT2
duke@435 2809 DTRACE_PROBE(hotspot_jni, SetObjectField__return);
dcubed@3202 2810 #else /* USDT2 */
dcubed@3202 2811 HOTSPOT_JNI_SETOBJECTFIELD_RETURN(
dcubed@3202 2812 );
dcubed@3202 2813 #endif /* USDT2 */
duke@435 2814 JNI_END
duke@435 2815
dcubed@3202 2816 #ifndef USDT2
duke@435 2817 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \
duke@435 2818 \
duke@435 2819 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \
duke@435 2820 JNIWrapper("Set" XSTR(Result) "Field"); \
duke@435 2821 \
coleenp@4148 2822 FP_SELECT_##Result( \
coleenp@4148 2823 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \
coleenp@4148 2824 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \
duke@435 2825 \
duke@435 2826 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2827 Klass* k = o->klass(); \
duke@435 2828 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
duke@435 2829 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 2830 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \
duke@435 2831 /* and creates a ResetNoHandleMark. */ \
duke@435 2832 if (JvmtiExport::should_post_field_modification()) { \
duke@435 2833 jvalue field_value; \
duke@435 2834 field_value.unionType = value; \
duke@435 2835 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \
duke@435 2836 } \
duke@435 2837 o->Fieldname##_field_put(offset, value); \
duke@435 2838 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\
duke@435 2839 JNI_END
duke@435 2840
duke@435 2841 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z)
duke@435 2842 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b)
duke@435 2843 DEFINE_SETFIELD(jchar, char, Char, 'C', c)
duke@435 2844 DEFINE_SETFIELD(jshort, short, Short, 'S', s)
duke@435 2845 DEFINE_SETFIELD(jint, int, Int, 'I', i)
duke@435 2846 DEFINE_SETFIELD(jlong, long, Long, 'J', j)
duke@435 2847 DEFINE_SETFIELD(jfloat, float, Float, 'F', f)
duke@435 2848 DEFINE_SETFIELD(jdouble, double, Double, 'D', d)
duke@435 2849
dcubed@3202 2850 #else /* USDT2 */
dcubed@3202 2851
dcubed@3202 2852 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \
dcubed@3202 2853 , EntryProbe, ReturnProbe) \
dcubed@3202 2854 \
dcubed@3202 2855 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \
dcubed@3202 2856 JNIWrapper("Set" XSTR(Result) "Field"); \
dcubed@3202 2857 \
dcubed@3202 2858 EntryProbe; \
dcubed@3202 2859 \
dcubed@3202 2860 oop o = JNIHandles::resolve_non_null(obj); \
coleenp@4037 2861 Klass* k = o->klass(); \
dcubed@3202 2862 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \
dcubed@3202 2863 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 2864 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \
dcubed@3202 2865 /* and creates a ResetNoHandleMark. */ \
dcubed@3202 2866 if (JvmtiExport::should_post_field_modification()) { \
dcubed@3202 2867 jvalue field_value; \
dcubed@3202 2868 field_value.unionType = value; \
dcubed@3202 2869 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \
dcubed@3202 2870 } \
dcubed@3202 2871 o->Fieldname##_field_put(offset, value); \
dcubed@3202 2872 ReturnProbe; \
dcubed@3202 2873 JNI_END
dcubed@3202 2874
dcubed@3202 2875 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z
dcubed@3202 2876 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2877 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN())
dcubed@3202 2878 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b
dcubed@3202 2879 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2880 HOTSPOT_JNI_SETBYTEFIELD_RETURN())
dcubed@3202 2881 DEFINE_SETFIELD(jchar, char, Char, 'C', c
dcubed@3202 2882 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2883 HOTSPOT_JNI_SETCHARFIELD_RETURN())
dcubed@3202 2884 DEFINE_SETFIELD(jshort, short, Short, 'S', s
dcubed@3202 2885 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2886 HOTSPOT_JNI_SETSHORTFIELD_RETURN())
dcubed@3202 2887 DEFINE_SETFIELD(jint, int, Int, 'I', i
dcubed@3202 2888 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2889 HOTSPOT_JNI_SETINTFIELD_RETURN())
dcubed@3202 2890 DEFINE_SETFIELD(jlong, long, Long, 'J', j
dcubed@3202 2891 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
dcubed@3202 2892 HOTSPOT_JNI_SETLONGFIELD_RETURN())
dcubed@3202 2893 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 2894 DEFINE_SETFIELD(jfloat, float, Float, 'F', f
dcubed@3202 2895 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2896 HOTSPOT_JNI_SETFLOATFIELD_RETURN())
dcubed@3202 2897 DEFINE_SETFIELD(jdouble, double, Double, 'D', d
dcubed@3202 2898 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
dcubed@3202 2899 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN())
dcubed@3202 2900 #endif /* USDT2 */
dcubed@3202 2901
dcubed@3202 2902 #ifndef USDT2
duke@435 2903 DT_RETURN_MARK_DECL(ToReflectedField, jobject);
dcubed@3202 2904 #else /* USDT2 */
dcubed@3202 2905 DT_RETURN_MARK_DECL(ToReflectedField, jobject
dcubed@3202 2906 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref));
dcubed@3202 2907 #endif /* USDT2 */
duke@435 2908
duke@435 2909 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic))
duke@435 2910 JNIWrapper("ToReflectedField");
dcubed@3202 2911 #ifndef USDT2
duke@435 2912 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry,
duke@435 2913 env, cls, fieldID, isStatic);
dcubed@3202 2914 #else /* USDT2 */
dcubed@3202 2915 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY(
dcubed@3202 2916 env, cls, (uintptr_t) fieldID, isStatic);
dcubed@3202 2917 #endif /* USDT2 */
duke@435 2918 jobject ret = NULL;
duke@435 2919 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret);
duke@435 2920
duke@435 2921 fieldDescriptor fd;
duke@435 2922 bool found = false;
coleenp@4037 2923 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls));
duke@435 2924
duke@435 2925 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID");
duke@435 2926
duke@435 2927 if (isStatic) {
coleenp@4037 2928 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*.
duke@435 2929 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
duke@435 2930 assert(id->is_static_field_id(), "invalid static field id");
never@2658 2931 found = id->find_local_field(&fd);
duke@435 2932 } else {
duke@435 2933 // Non-static field. The fieldID is really the offset of the field within the instanceOop.
duke@435 2934 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
coleenp@4037 2935 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd);
duke@435 2936 }
duke@435 2937 assert(found, "bad fieldID passed into jni_ToReflectedField");
duke@435 2938 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL);
duke@435 2939 ret = JNIHandles::make_local(env, reflected);
duke@435 2940 return ret;
duke@435 2941 JNI_END
duke@435 2942
duke@435 2943
duke@435 2944 //
duke@435 2945 // Accessing Static Fields
duke@435 2946 //
dcubed@3202 2947 #ifndef USDT2
duke@435 2948 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID);
dcubed@3202 2949 #else /* USDT2 */
dcubed@3202 2950 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID
dcubed@3202 2951 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref));
dcubed@3202 2952 #endif /* USDT2 */
duke@435 2953
duke@435 2954 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz,
duke@435 2955 const char *name, const char *sig))
duke@435 2956 JNIWrapper("GetStaticFieldID");
dcubed@3202 2957 #ifndef USDT2
duke@435 2958 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig);
dcubed@3202 2959 #else /* USDT2 */
dcubed@3202 2960 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY(
dcubed@3202 2961 env, clazz, (char *) name, (char *) sig);
dcubed@3202 2962 #endif /* USDT2 */
duke@435 2963 jfieldID ret = NULL;
duke@435 2964 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret);
duke@435 2965
duke@435 2966 // The class should have been loaded (we have an instance of the class
duke@435 2967 // passed in) so the field and signature should already be in the symbol
duke@435 2968 // table. If they're not there, the field doesn't exist.
coleenp@2497 2969 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name));
coleenp@2497 2970 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig));
coleenp@2497 2971 if (fieldname == NULL || signame == NULL) {
duke@435 2972 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2973 }
duke@435 2974 KlassHandle k(THREAD,
coleenp@4037 2975 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 2976 // Make sure class is initialized before handing id's out to static fields
hseigel@4278 2977 k()->initialize(CHECK_NULL);
duke@435 2978
duke@435 2979 fieldDescriptor fd;
hseigel@4278 2980 if (!k()->oop_is_instance() ||
coleenp@4037 2981 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) {
duke@435 2982 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
duke@435 2983 }
duke@435 2984
coleenp@4037 2985 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass*
coleenp@4251 2986 JNIid* id = fd.field_holder()->jni_id_for(fd.offset());
duke@435 2987 debug_only(id->set_is_static_field_id();)
duke@435 2988
never@2658 2989 debug_only(id->verify(fd.field_holder()));
duke@435 2990
duke@435 2991 ret = jfieldIDWorkaround::to_static_jfieldID(id);
duke@435 2992 return ret;
duke@435 2993 JNI_END
duke@435 2994
duke@435 2995
duke@435 2996 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID))
duke@435 2997 JNIWrapper("GetStaticObjectField");
dcubed@3202 2998 #ifndef USDT2
duke@435 2999 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID);
dcubed@3202 3000 #else /* USDT2 */
dcubed@3202 3001 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY(
dcubed@3202 3002 env, clazz, (uintptr_t) fieldID);
dcubed@3202 3003 #endif /* USDT2 */
jprovino@4165 3004 #if INCLUDE_JNI_CHECK
coleenp@4037 3005 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);)
jprovino@4165 3006 #endif // INCLUDE_JNI_CHECK
duke@435 3007 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
duke@435 3008 assert(id->is_static_field_id(), "invalid static field id");
duke@435 3009 // Keep JVMTI addition small and only check enabled flag here.
duke@435 3010 // jni_GetField_probe() assumes that is okay to create handles.
duke@435 3011 if (JvmtiExport::should_post_field_access()) {
duke@435 3012 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true);
duke@435 3013 }
never@2658 3014 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset()));
dcubed@3202 3015 #ifndef USDT2
duke@435 3016 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret);
dcubed@3202 3017 #else /* USDT2 */
dcubed@3202 3018 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN(
dcubed@3202 3019 ret);
dcubed@3202 3020 #endif /* USDT2 */
duke@435 3021 return ret;
duke@435 3022 JNI_END
duke@435 3023
dcubed@3202 3024 #ifndef USDT2
duke@435 3025 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \
duke@435 3026 \
duke@435 3027 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\
duke@435 3028 \
duke@435 3029 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \
duke@435 3030 JNIWrapper("GetStatic" XSTR(Result) "Field"); \
duke@435 3031 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\
duke@435 3032 Return ret = 0;\
duke@435 3033 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \
duke@435 3034 (const Return&)ret);\
duke@435 3035 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
duke@435 3036 assert(id->is_static_field_id(), "invalid static field id"); \
duke@435 3037 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 3038 /* jni_GetField_probe() assumes that is okay to create handles. */ \
duke@435 3039 if (JvmtiExport::should_post_field_access()) { \
duke@435 3040 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \
duke@435 3041 } \
never@2658 3042 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \
duke@435 3043 return ret;\
duke@435 3044 JNI_END
duke@435 3045
duke@435 3046 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean)
duke@435 3047 DEFINE_GETSTATICFIELD(jbyte, byte, Byte)
duke@435 3048 DEFINE_GETSTATICFIELD(jchar, char, Char)
duke@435 3049 DEFINE_GETSTATICFIELD(jshort, short, Short)
duke@435 3050 DEFINE_GETSTATICFIELD(jint, int, Int)
duke@435 3051 DEFINE_GETSTATICFIELD(jlong, long, Long)
duke@435 3052 DEFINE_GETSTATICFIELD(jfloat, float, Float)
duke@435 3053 DEFINE_GETSTATICFIELD(jdouble, double, Double)
duke@435 3054
dcubed@3202 3055 #else /* USDT2 */
dcubed@3202 3056
dcubed@3202 3057 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \
dcubed@3202 3058 , EntryProbe, ReturnProbe) \
dcubed@3202 3059 \
dcubed@3202 3060 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \
dcubed@3202 3061 , ReturnProbe); \
dcubed@3202 3062 \
dcubed@3202 3063 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \
dcubed@3202 3064 JNIWrapper("GetStatic" XSTR(Result) "Field"); \
dcubed@3202 3065 EntryProbe; \
dcubed@3202 3066 Return ret = 0;\
dcubed@3202 3067 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \
dcubed@3202 3068 (const Return&)ret);\
dcubed@3202 3069 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
dcubed@3202 3070 assert(id->is_static_field_id(), "invalid static field id"); \
dcubed@3202 3071 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 3072 /* jni_GetField_probe() assumes that is okay to create handles. */ \
dcubed@3202 3073 if (JvmtiExport::should_post_field_access()) { \
dcubed@3202 3074 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \
dcubed@3202 3075 } \
dcubed@3202 3076 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \
dcubed@3202 3077 return ret;\
dcubed@3202 3078 JNI_END
dcubed@3202 3079
dcubed@3202 3080 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean
dcubed@3202 3081 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref))
dcubed@3202 3082 DEFINE_GETSTATICFIELD(jbyte, byte, Byte
dcubed@3202 3083 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) )
dcubed@3202 3084 DEFINE_GETSTATICFIELD(jchar, char, Char
dcubed@3202 3085 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) )
dcubed@3202 3086 DEFINE_GETSTATICFIELD(jshort, short, Short
dcubed@3202 3087 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) )
dcubed@3202 3088 DEFINE_GETSTATICFIELD(jint, int, Int
dcubed@3202 3089 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) )
dcubed@3202 3090 DEFINE_GETSTATICFIELD(jlong, long, Long
dcubed@3202 3091 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) )
dcubed@3202 3092 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 3093 DEFINE_GETSTATICFIELD(jfloat, float, Float
dcubed@3202 3094 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() )
dcubed@3202 3095 DEFINE_GETSTATICFIELD(jdouble, double, Double
dcubed@3202 3096 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() )
dcubed@3202 3097 #endif /* USDT2 */
duke@435 3098
duke@435 3099 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value))
duke@435 3100 JNIWrapper("SetStaticObjectField");
dcubed@3202 3101 #ifndef USDT2
duke@435 3102 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value);
dcubed@3202 3103 #else /* USDT2 */
dcubed@3202 3104 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY(
dcubed@3202 3105 env, clazz, (uintptr_t) fieldID, value);
dcubed@3202 3106 #endif /* USDT2 */
duke@435 3107 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
duke@435 3108 assert(id->is_static_field_id(), "invalid static field id");
duke@435 3109 // Keep JVMTI addition small and only check enabled flag here.
duke@435 3110 // jni_SetField_probe() assumes that is okay to create handles.
duke@435 3111 if (JvmtiExport::should_post_field_modification()) {
duke@435 3112 jvalue field_value;
duke@435 3113 field_value.l = value;
duke@435 3114 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value);
duke@435 3115 }
never@2658 3116 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value));
dcubed@3202 3117 #ifndef USDT2
duke@435 3118 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return);
dcubed@3202 3119 #else /* USDT2 */
dcubed@3202 3120 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN(
dcubed@3202 3121 );
dcubed@3202 3122 #endif /* USDT2 */
duke@435 3123 JNI_END
duke@435 3124
duke@435 3125
dcubed@3202 3126 #ifndef USDT2
duke@435 3127 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \
duke@435 3128 \
duke@435 3129 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \
duke@435 3130 JNIWrapper("SetStatic" XSTR(Result) "Field"); \
coleenp@4148 3131 FP_SELECT_##Result( \
coleenp@4148 3132 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \
coleenp@4148 3133 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \
duke@435 3134 \
duke@435 3135 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
duke@435 3136 assert(id->is_static_field_id(), "invalid static field id"); \
duke@435 3137 /* Keep JVMTI addition small and only check enabled flag here. */ \
duke@435 3138 /* jni_SetField_probe() assumes that is okay to create handles. */ \
duke@435 3139 if (JvmtiExport::should_post_field_modification()) { \
duke@435 3140 jvalue field_value; \
duke@435 3141 field_value.unionType = value; \
duke@435 3142 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \
duke@435 3143 } \
never@2658 3144 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \
duke@435 3145 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\
duke@435 3146 JNI_END
duke@435 3147
duke@435 3148 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z)
duke@435 3149 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b)
duke@435 3150 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c)
duke@435 3151 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s)
duke@435 3152 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i)
duke@435 3153 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j)
duke@435 3154 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f)
duke@435 3155 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d)
duke@435 3156
dcubed@3202 3157 #else /* USDT2 */
dcubed@3202 3158
dcubed@3202 3159 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \
dcubed@3202 3160 , EntryProbe, ReturnProbe) \
dcubed@3202 3161 \
dcubed@3202 3162 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \
dcubed@3202 3163 JNIWrapper("SetStatic" XSTR(Result) "Field"); \
dcubed@3202 3164 EntryProbe; \
dcubed@3202 3165 \
dcubed@3202 3166 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
dcubed@3202 3167 assert(id->is_static_field_id(), "invalid static field id"); \
dcubed@3202 3168 /* Keep JVMTI addition small and only check enabled flag here. */ \
dcubed@3202 3169 /* jni_SetField_probe() assumes that is okay to create handles. */ \
dcubed@3202 3170 if (JvmtiExport::should_post_field_modification()) { \
dcubed@3202 3171 jvalue field_value; \
dcubed@3202 3172 field_value.unionType = value; \
dcubed@3202 3173 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \
dcubed@3202 3174 } \
dcubed@3202 3175 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \
dcubed@3202 3176 ReturnProbe;\
dcubed@3202 3177 JNI_END
dcubed@3202 3178
dcubed@3202 3179 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z
dcubed@3202 3180 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value),
dcubed@3202 3181 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN())
dcubed@3202 3182 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b
dcubed@3202 3183 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3184 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN())
dcubed@3202 3185 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c
dcubed@3202 3186 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3187 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN())
dcubed@3202 3188 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s
dcubed@3202 3189 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3190 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN())
dcubed@3202 3191 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i
dcubed@3202 3192 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3193 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN())
dcubed@3202 3194 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j
dcubed@3202 3195 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
dcubed@3202 3196 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN())
dcubed@3202 3197 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 3198 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f
dcubed@3202 3199 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),
dcubed@3202 3200 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN())
dcubed@3202 3201 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d
dcubed@3202 3202 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),
dcubed@3202 3203 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN())
dcubed@3202 3204 #endif /* USDT2 */
duke@435 3205
duke@435 3206 //
duke@435 3207 // String Operations
duke@435 3208 //
duke@435 3209
duke@435 3210 // Unicode Interface
duke@435 3211
dcubed@3202 3212 #ifndef USDT2
duke@435 3213 DT_RETURN_MARK_DECL(NewString, jstring);
dcubed@3202 3214 #else /* USDT2 */
dcubed@3202 3215 DT_RETURN_MARK_DECL(NewString, jstring
dcubed@3202 3216 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref));
dcubed@3202 3217 #endif /* USDT2 */
duke@435 3218
duke@435 3219 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len))
duke@435 3220 JNIWrapper("NewString");
dcubed@3202 3221 #ifndef USDT2
duke@435 3222 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len);
dcubed@3202 3223 #else /* USDT2 */
dcubed@3202 3224 HOTSPOT_JNI_NEWSTRING_ENTRY(
dcubed@3202 3225 env, (uint16_t *) unicodeChars, len);
dcubed@3202 3226 #endif /* USDT2 */
duke@435 3227 jstring ret = NULL;
duke@435 3228 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret);
duke@435 3229 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL);
duke@435 3230 ret = (jstring) JNIHandles::make_local(env, string);
duke@435 3231 return ret;
duke@435 3232 JNI_END
duke@435 3233
duke@435 3234
duke@435 3235 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string))
duke@435 3236 JNIWrapper("GetStringLength");
dcubed@3202 3237 #ifndef USDT2
duke@435 3238 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string);
dcubed@3202 3239 #else /* USDT2 */
dcubed@3202 3240 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY(
dcubed@3202 3241 env, string);
dcubed@3202 3242 #endif /* USDT2 */
duke@435 3243 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string));
dcubed@3202 3244 #ifndef USDT2
duke@435 3245 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret);
dcubed@3202 3246 #else /* USDT2 */
dcubed@3202 3247 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN(
dcubed@3202 3248 ret);
dcubed@3202 3249 #endif /* USDT2 */
duke@435 3250 return ret;
duke@435 3251 JNI_END
duke@435 3252
duke@435 3253
duke@435 3254 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars(
duke@435 3255 JNIEnv *env, jstring string, jboolean *isCopy))
duke@435 3256 JNIWrapper("GetStringChars");
dcubed@3202 3257 #ifndef USDT2
duke@435 3258 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy);
dcubed@3202 3259 #else /* USDT2 */
dcubed@3202 3260 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY(
dcubed@3202 3261 env, string, (uintptr_t *) isCopy);
dcubed@3202 3262 #endif /* USDT2 */
duke@435 3263 //%note jni_5
duke@435 3264 if (isCopy != NULL) {
duke@435 3265 *isCopy = JNI_TRUE;
duke@435 3266 }
duke@435 3267 oop s = JNIHandles::resolve_non_null(string);
duke@435 3268 int s_len = java_lang_String::length(s);
duke@435 3269 typeArrayOop s_value = java_lang_String::value(s);
duke@435 3270 int s_offset = java_lang_String::offset(s);
zgu@3900 3271 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1, mtInternal); // add one for zero termination
duke@435 3272 if (s_len > 0) {
duke@435 3273 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len);
duke@435 3274 }
duke@435 3275 buf[s_len] = 0;
dcubed@3202 3276 #ifndef USDT2
duke@435 3277 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf);
dcubed@3202 3278 #else /* USDT2 */
dcubed@3202 3279 HOTSPOT_JNI_GETSTRINGCHARS_RETURN(
dcubed@3202 3280 buf);
dcubed@3202 3281 #endif /* USDT2 */
duke@435 3282 return buf;
duke@435 3283 JNI_END
duke@435 3284
duke@435 3285
duke@435 3286 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars))
duke@435 3287 JNIWrapper("ReleaseStringChars");
dcubed@3202 3288 #ifndef USDT2
duke@435 3289 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars);
dcubed@3202 3290 #else /* USDT2 */
dcubed@3202 3291 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY(
dcubed@3202 3292 env, str, (uint16_t *) chars);
dcubed@3202 3293 #endif /* USDT2 */
duke@435 3294 //%note jni_6
duke@435 3295 if (chars != NULL) {
duke@435 3296 // Since String objects are supposed to be immutable, don't copy any
duke@435 3297 // new data back. A bad user will have to go after the char array.
duke@435 3298 FreeHeap((void*) chars);
duke@435 3299 }
dcubed@3202 3300 #ifndef USDT2
duke@435 3301 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return);
dcubed@3202 3302 #else /* USDT2 */
dcubed@3202 3303 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN(
dcubed@3202 3304 );
dcubed@3202 3305 #endif /* USDT2 */
duke@435 3306 JNI_END
duke@435 3307
duke@435 3308
duke@435 3309 // UTF Interface
duke@435 3310
dcubed@3202 3311 #ifndef USDT2
duke@435 3312 DT_RETURN_MARK_DECL(NewStringUTF, jstring);
dcubed@3202 3313 #else /* USDT2 */
dcubed@3202 3314 DT_RETURN_MARK_DECL(NewStringUTF, jstring
dcubed@3202 3315 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref));
dcubed@3202 3316 #endif /* USDT2 */
duke@435 3317
duke@435 3318 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes))
duke@435 3319 JNIWrapper("NewStringUTF");
dcubed@3202 3320 #ifndef USDT2
duke@435 3321 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes);
dcubed@3202 3322 #else /* USDT2 */
dcubed@3202 3323 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY(
dcubed@3202 3324 env, (char *) bytes);
dcubed@3202 3325 #endif /* USDT2 */
duke@435 3326 jstring ret;
duke@435 3327 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret);
duke@435 3328
duke@435 3329 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL);
duke@435 3330 ret = (jstring) JNIHandles::make_local(env, result);
duke@435 3331 return ret;
duke@435 3332 JNI_END
duke@435 3333
duke@435 3334
duke@435 3335 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string))
duke@435 3336 JNIWrapper("GetStringUTFLength");
dcubed@3202 3337 #ifndef USDT2
duke@435 3338 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string);
dcubed@3202 3339 #else /* USDT2 */
dcubed@3202 3340 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY(
dcubed@3202 3341 env, string);
dcubed@3202 3342 #endif /* USDT2 */
duke@435 3343 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string));
dcubed@3202 3344 #ifndef USDT2
duke@435 3345 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret);
dcubed@3202 3346 #else /* USDT2 */
dcubed@3202 3347 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN(
dcubed@3202 3348 ret);
dcubed@3202 3349 #endif /* USDT2 */
duke@435 3350 return ret;
duke@435 3351 JNI_END
duke@435 3352
duke@435 3353
duke@435 3354 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy))
duke@435 3355 JNIWrapper("GetStringUTFChars");
dcubed@3202 3356 #ifndef USDT2
duke@435 3357 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy);
dcubed@3202 3358 #else /* USDT2 */
dcubed@3202 3359 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY(
dcubed@3202 3360 env, string, (uintptr_t *) isCopy);
dcubed@3202 3361 #endif /* USDT2 */
sla@2331 3362 oop java_string = JNIHandles::resolve_non_null(string);
sla@2331 3363 size_t length = java_lang_String::utf8_length(java_string);
zgu@3900 3364 char* result = AllocateHeap(length + 1, mtInternal);
sla@2331 3365 java_lang_String::as_utf8_string(java_string, result, (int) length + 1);
duke@435 3366 if (isCopy != NULL) *isCopy = JNI_TRUE;
dcubed@3202 3367 #ifndef USDT2
duke@435 3368 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result);
dcubed@3202 3369 #else /* USDT2 */
dcubed@3202 3370 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN(
dcubed@3202 3371 result);
dcubed@3202 3372 #endif /* USDT2 */
duke@435 3373 return result;
duke@435 3374 JNI_END
duke@435 3375
duke@435 3376
duke@435 3377 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars))
duke@435 3378 JNIWrapper("ReleaseStringUTFChars");
dcubed@3202 3379 #ifndef USDT2
duke@435 3380 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars);
dcubed@3202 3381 #else /* USDT2 */
dcubed@3202 3382 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY(
dcubed@3202 3383 env, str, (char *) chars);
dcubed@3202 3384 #endif /* USDT2 */
duke@435 3385 if (chars != NULL) {
duke@435 3386 FreeHeap((char*) chars);
duke@435 3387 }
dcubed@3202 3388 #ifndef USDT2
duke@435 3389 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return);
dcubed@3202 3390 #else /* USDT2 */
dcubed@3202 3391 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN(
dcubed@3202 3392 );
dcubed@3202 3393 #endif /* USDT2 */
duke@435 3394 JNI_END
duke@435 3395
duke@435 3396
duke@435 3397 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array))
duke@435 3398 JNIWrapper("GetArrayLength");
dcubed@3202 3399 #ifndef USDT2
duke@435 3400 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array);
dcubed@3202 3401 #else /* USDT2 */
dcubed@3202 3402 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY(
dcubed@3202 3403 env, array);
dcubed@3202 3404 #endif /* USDT2 */
duke@435 3405 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array));
duke@435 3406 assert(a->is_array(), "must be array");
duke@435 3407 jsize ret = a->length();
dcubed@3202 3408 #ifndef USDT2
duke@435 3409 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret);
dcubed@3202 3410 #else /* USDT2 */
dcubed@3202 3411 HOTSPOT_JNI_GETARRAYLENGTH_RETURN(
dcubed@3202 3412 ret);
dcubed@3202 3413 #endif /* USDT2 */
duke@435 3414 return ret;
duke@435 3415 JNI_END
duke@435 3416
duke@435 3417
duke@435 3418 //
duke@435 3419 // Object Array Operations
duke@435 3420 //
duke@435 3421
dcubed@3202 3422 #ifndef USDT2
duke@435 3423 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray);
dcubed@3202 3424 #else /* USDT2 */
dcubed@3202 3425 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray
dcubed@3202 3426 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref));
dcubed@3202 3427 #endif /* USDT2 */
duke@435 3428
duke@435 3429 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement))
duke@435 3430 JNIWrapper("NewObjectArray");
dcubed@3202 3431 #ifndef USDT2
duke@435 3432 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement);
dcubed@3202 3433 #else /* USDT2 */
dcubed@3202 3434 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY(
dcubed@3202 3435 env, length, elementClass, initialElement);
dcubed@3202 3436 #endif /* USDT2 */
duke@435 3437 jobjectArray ret = NULL;
duke@435 3438 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret);
coleenp@4037 3439 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass)));
hseigel@4278 3440 Klass* ako = ek()->array_klass(CHECK_NULL);
duke@435 3441 KlassHandle ak = KlassHandle(THREAD, ako);
coleenp@4142 3442 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL);
coleenp@4142 3443 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL);
duke@435 3444 oop initial_value = JNIHandles::resolve(initialElement);
duke@435 3445 if (initial_value != NULL) { // array already initialized with NULL
duke@435 3446 for (int index = 0; index < length; index++) {
duke@435 3447 result->obj_at_put(index, initial_value);
duke@435 3448 }
duke@435 3449 }
duke@435 3450 ret = (jobjectArray) JNIHandles::make_local(env, result);
duke@435 3451 return ret;
duke@435 3452 JNI_END
duke@435 3453
dcubed@3202 3454 #ifndef USDT2
duke@435 3455 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject);
dcubed@3202 3456 #else /* USDT2 */
dcubed@3202 3457 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject
dcubed@3202 3458 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref));
dcubed@3202 3459 #endif /* USDT2 */
duke@435 3460
duke@435 3461 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index))
duke@435 3462 JNIWrapper("GetObjectArrayElement");
dcubed@3202 3463 #ifndef USDT2
duke@435 3464 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index);
dcubed@3202 3465 #else /* USDT2 */
dcubed@3202 3466 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY(
dcubed@3202 3467 env, array, index);
dcubed@3202 3468 #endif /* USDT2 */
duke@435 3469 jobject ret = NULL;
duke@435 3470 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret);
duke@435 3471 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array));
duke@435 3472 if (a->is_within_bounds(index)) {
kamg@1469 3473 ret = JNIHandles::make_local(env, a->obj_at(index));
duke@435 3474 return ret;
duke@435 3475 } else {
duke@435 3476 char buf[jintAsStringSize];
duke@435 3477 sprintf(buf, "%d", index);
duke@435 3478 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf);
duke@435 3479 }
duke@435 3480 JNI_END
duke@435 3481
dcubed@3202 3482 #ifndef USDT2
duke@435 3483 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement);
dcubed@3202 3484 #else /* USDT2 */
dcubed@3202 3485 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement
dcubed@3202 3486 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN());
dcubed@3202 3487 #endif /* USDT2 */
duke@435 3488
duke@435 3489 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value))
duke@435 3490 JNIWrapper("SetObjectArrayElement");
dcubed@3202 3491 #ifndef USDT2
duke@435 3492 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value);
dcubed@3202 3493 #else /* USDT2 */
dcubed@3202 3494 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY(
dcubed@3202 3495 env, array, index, value);
dcubed@3202 3496 #endif /* USDT2 */
duke@435 3497 DT_VOID_RETURN_MARK(SetObjectArrayElement);
duke@435 3498
duke@435 3499 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array));
duke@435 3500 oop v = JNIHandles::resolve(value);
duke@435 3501 if (a->is_within_bounds(index)) {
coleenp@4142 3502 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) {
duke@435 3503 a->obj_at_put(index, v);
duke@435 3504 } else {
duke@435 3505 THROW(vmSymbols::java_lang_ArrayStoreException());
duke@435 3506 }
duke@435 3507 } else {
duke@435 3508 char buf[jintAsStringSize];
duke@435 3509 sprintf(buf, "%d", index);
duke@435 3510 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf);
duke@435 3511 }
duke@435 3512 JNI_END
duke@435 3513
duke@435 3514
dcubed@3202 3515 #ifndef USDT2
duke@435 3516 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \
duke@435 3517 \
dcubed@3202 3518 DT_RETURN_MARK_DECL(New##Result##Array, Return); \
duke@435 3519 \
duke@435 3520 JNI_ENTRY(Return, \
duke@435 3521 jni_New##Result##Array(JNIEnv *env, jsize len)) \
duke@435 3522 JNIWrapper("New" XSTR(Result) "Array"); \
duke@435 3523 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\
duke@435 3524 Return ret = NULL;\
kamg@1469 3525 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\
duke@435 3526 \
duke@435 3527 oop obj= oopFactory::Allocator(len, CHECK_0); \
duke@435 3528 ret = (Return) JNIHandles::make_local(env, obj); \
duke@435 3529 return ret;\
duke@435 3530 JNI_END
duke@435 3531
duke@435 3532 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean)
duke@435 3533 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte)
duke@435 3534 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short)
duke@435 3535 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char)
duke@435 3536 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int)
duke@435 3537 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long)
duke@435 3538 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float)
duke@435 3539 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double)
duke@435 3540
dcubed@3202 3541 #else /* USDT2 */
dcubed@3202 3542
dcubed@3202 3543 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \
dcubed@3202 3544 ,EntryProbe,ReturnProbe) \
dcubed@3202 3545 \
dcubed@3202 3546 DT_RETURN_MARK_DECL(New##Result##Array, Return \
dcubed@3202 3547 , ReturnProbe); \
dcubed@3202 3548 \
dcubed@3202 3549 JNI_ENTRY(Return, \
dcubed@3202 3550 jni_New##Result##Array(JNIEnv *env, jsize len)) \
dcubed@3202 3551 JNIWrapper("New" XSTR(Result) "Array"); \
dcubed@3202 3552 EntryProbe; \
dcubed@3202 3553 Return ret = NULL;\
dcubed@3202 3554 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\
dcubed@3202 3555 \
dcubed@3202 3556 oop obj= oopFactory::Allocator(len, CHECK_0); \
dcubed@3202 3557 ret = (Return) JNIHandles::make_local(env, obj); \
dcubed@3202 3558 return ret;\
dcubed@3202 3559 JNI_END
dcubed@3202 3560
dcubed@3202 3561 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean,
dcubed@3202 3562 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len),
dcubed@3202 3563 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref))
dcubed@3202 3564 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte,
dcubed@3202 3565 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len),
dcubed@3202 3566 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref))
dcubed@3202 3567 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short,
dcubed@3202 3568 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len),
dcubed@3202 3569 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref))
dcubed@3202 3570 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char,
dcubed@3202 3571 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len),
dcubed@3202 3572 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref))
dcubed@3202 3573 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int,
dcubed@3202 3574 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len),
dcubed@3202 3575 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref))
dcubed@3202 3576 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long,
dcubed@3202 3577 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len),
dcubed@3202 3578 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref))
dcubed@3202 3579 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float,
dcubed@3202 3580 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len),
dcubed@3202 3581 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref))
dcubed@3202 3582 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double,
dcubed@3202 3583 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len),
dcubed@3202 3584 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref))
dcubed@3202 3585 #endif /* USDT2 */
duke@435 3586
duke@435 3587 // Return an address which will fault if the caller writes to it.
duke@435 3588
duke@435 3589 static char* get_bad_address() {
duke@435 3590 static char* bad_address = NULL;
duke@435 3591 if (bad_address == NULL) {
duke@435 3592 size_t size = os::vm_allocation_granularity();
duke@435 3593 bad_address = os::reserve_memory(size);
duke@435 3594 if (bad_address != NULL) {
coleenp@912 3595 os::protect_memory(bad_address, size, os::MEM_PROT_READ,
coleenp@912 3596 /*is_committed*/false);
duke@435 3597 }
duke@435 3598 }
duke@435 3599 return bad_address;
duke@435 3600 }
duke@435 3601
duke@435 3602
dcubed@3202 3603 #ifndef USDT2
duke@435 3604 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \
duke@435 3605 \
duke@435 3606 JNI_QUICK_ENTRY(ElementType*, \
duke@435 3607 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \
duke@435 3608 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \
duke@435 3609 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\
duke@435 3610 /* allocate an chunk of memory in c land */ \
duke@435 3611 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3612 ElementType* result; \
duke@435 3613 int len = a->length(); \
duke@435 3614 if (len == 0) { \
duke@435 3615 /* Empty array: legal but useless, can't return NULL. \
duke@435 3616 * Return a pointer to something useless. \
duke@435 3617 * Avoid asserts in typeArrayOop. */ \
duke@435 3618 result = (ElementType*)get_bad_address(); \
duke@435 3619 } else { \
zgu@3900 3620 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \
duke@435 3621 /* copy the array to the c chunk */ \
duke@435 3622 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \
duke@435 3623 } \
duke@435 3624 if (isCopy) *isCopy = JNI_TRUE; \
duke@435 3625 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\
duke@435 3626 return result; \
duke@435 3627 JNI_END
duke@435 3628
duke@435 3629 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool)
duke@435 3630 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte)
duke@435 3631 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short)
duke@435 3632 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char)
duke@435 3633 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int)
duke@435 3634 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long)
duke@435 3635 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float)
duke@435 3636 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double)
duke@435 3637
dcubed@3202 3638 #else /* USDT2 */
dcubed@3202 3639
dcubed@3202 3640 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \
dcubed@3202 3641 , EntryProbe, ReturnProbe) \
dcubed@3202 3642 \
dcubed@3202 3643 JNI_QUICK_ENTRY(ElementType*, \
dcubed@3202 3644 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \
dcubed@3202 3645 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \
dcubed@3202 3646 EntryProbe; \
dcubed@3202 3647 /* allocate an chunk of memory in c land */ \
dcubed@3202 3648 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3649 ElementType* result; \
dcubed@3202 3650 int len = a->length(); \
dcubed@3202 3651 if (len == 0) { \
dcubed@3202 3652 /* Empty array: legal but useless, can't return NULL. \
dcubed@3202 3653 * Return a pointer to something useless. \
dcubed@3202 3654 * Avoid asserts in typeArrayOop. */ \
dcubed@3202 3655 result = (ElementType*)get_bad_address(); \
dcubed@3202 3656 } else { \
zgu@3900 3657 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \
dcubed@3202 3658 /* copy the array to the c chunk */ \
dcubed@3202 3659 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \
dcubed@3202 3660 } \
dcubed@3202 3661 if (isCopy) *isCopy = JNI_TRUE; \
dcubed@3202 3662 ReturnProbe; \
dcubed@3202 3663 return result; \
dcubed@3202 3664 JNI_END
dcubed@3202 3665
dcubed@3202 3666 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool
dcubed@3202 3667 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3668 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result))
dcubed@3202 3669 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte
dcubed@3202 3670 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3671 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result))
dcubed@3202 3672 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short
dcubed@3202 3673 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy),
dcubed@3202 3674 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result))
dcubed@3202 3675 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char
dcubed@3202 3676 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy),
dcubed@3202 3677 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result))
dcubed@3202 3678 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int
dcubed@3202 3679 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3680 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result))
dcubed@3202 3681 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long
dcubed@3202 3682 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3683 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result)))
dcubed@3202 3684 // Float and double probes don't return value because dtrace doesn't currently support it
dcubed@3202 3685 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float
dcubed@3202 3686 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3687 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result))
dcubed@3202 3688 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double
dcubed@3202 3689 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
dcubed@3202 3690 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result))
dcubed@3202 3691 #endif /* USDT2 */
dcubed@3202 3692
dcubed@3202 3693 #ifndef USDT2
duke@435 3694 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \
duke@435 3695 \
duke@435 3696 JNI_QUICK_ENTRY(void, \
duke@435 3697 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \
duke@435 3698 ElementType *buf, jint mode)) \
duke@435 3699 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \
duke@435 3700 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\
duke@435 3701 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3702 int len = a->length(); \
duke@435 3703 if (len != 0) { /* Empty array: nothing to free or copy. */ \
duke@435 3704 if ((mode == 0) || (mode == JNI_COMMIT)) { \
duke@435 3705 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \
duke@435 3706 } \
duke@435 3707 if ((mode == 0) || (mode == JNI_ABORT)) { \
duke@435 3708 FreeHeap(buf); \
duke@435 3709 } \
duke@435 3710 } \
duke@435 3711 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\
duke@435 3712 JNI_END
duke@435 3713
duke@435 3714 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool)
duke@435 3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte)
duke@435 3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short)
duke@435 3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char)
duke@435 3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int)
duke@435 3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long)
duke@435 3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float)
duke@435 3721 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double)
duke@435 3722
dcubed@3202 3723 #else /* USDT2 */
dcubed@3202 3724
dcubed@3202 3725 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \
dcubed@3202 3726 , EntryProbe, ReturnProbe);\
dcubed@3202 3727 \
dcubed@3202 3728 JNI_QUICK_ENTRY(void, \
dcubed@3202 3729 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \
dcubed@3202 3730 ElementType *buf, jint mode)) \
dcubed@3202 3731 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \
dcubed@3202 3732 EntryProbe; \
dcubed@3202 3733 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3734 int len = a->length(); \
dcubed@3202 3735 if (len != 0) { /* Empty array: nothing to free or copy. */ \
dcubed@3202 3736 if ((mode == 0) || (mode == JNI_COMMIT)) { \
dcubed@3202 3737 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \
dcubed@3202 3738 } \
dcubed@3202 3739 if ((mode == 0) || (mode == JNI_ABORT)) { \
dcubed@3202 3740 FreeHeap(buf); \
dcubed@3202 3741 } \
dcubed@3202 3742 } \
dcubed@3202 3743 ReturnProbe; \
dcubed@3202 3744 JNI_END
dcubed@3202 3745
dcubed@3202 3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool
dcubed@3202 3747 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode),
dcubed@3202 3748 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN())
dcubed@3202 3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte
dcubed@3202 3750 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode),
dcubed@3202 3751 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN())
dcubed@3202 3752 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short
dcubed@3202 3753 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode),
dcubed@3202 3754 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN())
dcubed@3202 3755 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char
dcubed@3202 3756 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode),
dcubed@3202 3757 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN())
dcubed@3202 3758 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int
dcubed@3202 3759 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode),
dcubed@3202 3760 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN())
dcubed@3202 3761 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long
dcubed@3202 3762 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode),
dcubed@3202 3763 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN())
dcubed@3202 3764 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float
dcubed@3202 3765 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode),
dcubed@3202 3766 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN())
dcubed@3202 3767 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double
dcubed@3202 3768 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode),
dcubed@3202 3769 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN())
dcubed@3202 3770 #endif /* USDT2 */
dcubed@3202 3771
dcubed@3202 3772 #ifndef USDT2
duke@435 3773 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \
duke@435 3774 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\
duke@435 3775 \
duke@435 3776 JNI_ENTRY(void, \
duke@435 3777 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
duke@435 3778 jsize len, ElementType *buf)) \
duke@435 3779 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \
duke@435 3780 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\
duke@435 3781 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \
duke@435 3782 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3783 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \
duke@435 3784 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
duke@435 3785 } else { \
duke@435 3786 if (len > 0) { \
coleenp@4142 3787 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \
duke@435 3788 memcpy((u_char*) buf, \
duke@435 3789 (u_char*) src->Tag##_at_addr(start), \
duke@435 3790 len << sc); \
duke@435 3791 } \
duke@435 3792 } \
duke@435 3793 JNI_END
duke@435 3794
duke@435 3795 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool)
duke@435 3796 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte)
duke@435 3797 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short)
duke@435 3798 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char)
duke@435 3799 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int)
duke@435 3800 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long)
duke@435 3801 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float)
duke@435 3802 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double)
duke@435 3803
dcubed@3202 3804 #else /* USDT2 */
dcubed@3202 3805
dcubed@3202 3806 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \
dcubed@3202 3807 , EntryProbe, ReturnProbe); \
dcubed@3202 3808 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \
dcubed@3202 3809 , ReturnProbe); \
dcubed@3202 3810 \
dcubed@3202 3811 JNI_ENTRY(void, \
dcubed@3202 3812 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
dcubed@3202 3813 jsize len, ElementType *buf)) \
dcubed@3202 3814 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \
dcubed@3202 3815 EntryProbe; \
dcubed@3202 3816 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \
dcubed@3202 3817 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3818 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \
dcubed@3202 3819 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
dcubed@3202 3820 } else { \
dcubed@3202 3821 if (len > 0) { \
coleenp@4142 3822 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \
dcubed@3202 3823 memcpy((u_char*) buf, \
dcubed@3202 3824 (u_char*) src->Tag##_at_addr(start), \
dcubed@3202 3825 len << sc); \
dcubed@3202 3826 } \
dcubed@3202 3827 } \
dcubed@3202 3828 JNI_END
dcubed@3202 3829
dcubed@3202 3830 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool
dcubed@3202 3831 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
dcubed@3202 3832 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN());
dcubed@3202 3833 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte
dcubed@3202 3834 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf),
dcubed@3202 3835 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN());
dcubed@3202 3836 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short
dcubed@3202 3837 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
dcubed@3202 3838 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN());
dcubed@3202 3839 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char
dcubed@3202 3840 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf),
dcubed@3202 3841 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN());
dcubed@3202 3842 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int
dcubed@3202 3843 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf),
dcubed@3202 3844 HOTSPOT_JNI_GETINTARRAYREGION_RETURN());
dcubed@3202 3845 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long
dcubed@3202 3846 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
dcubed@3202 3847 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN());
dcubed@3202 3848 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float
dcubed@3202 3849 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf),
dcubed@3202 3850 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN());
dcubed@3202 3851 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double
dcubed@3202 3852 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf),
dcubed@3202 3853 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN());
dcubed@3202 3854 #endif /* USDT2 */
dcubed@3202 3855
dcubed@3202 3856 #ifndef USDT2
duke@435 3857 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \
duke@435 3858 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\
duke@435 3859 \
duke@435 3860 JNI_ENTRY(void, \
duke@435 3861 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
duke@435 3862 jsize len, const ElementType *buf)) \
duke@435 3863 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \
duke@435 3864 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\
duke@435 3865 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \
duke@435 3866 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \
duke@435 3867 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \
duke@435 3868 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
duke@435 3869 } else { \
duke@435 3870 if (len > 0) { \
coleenp@4142 3871 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \
duke@435 3872 memcpy((u_char*) dst->Tag##_at_addr(start), \
duke@435 3873 (u_char*) buf, \
duke@435 3874 len << sc); \
duke@435 3875 } \
duke@435 3876 } \
duke@435 3877 JNI_END
duke@435 3878
duke@435 3879 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool)
duke@435 3880 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte)
duke@435 3881 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short)
duke@435 3882 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char)
duke@435 3883 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int)
duke@435 3884 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long)
duke@435 3885 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float)
duke@435 3886 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double)
duke@435 3887
dcubed@3202 3888 #else /* USDT2 */
dcubed@3202 3889
dcubed@3202 3890 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \
dcubed@3202 3891 , EntryProbe, ReturnProbe); \
dcubed@3202 3892 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \
dcubed@3202 3893 ,ReturnProbe); \
dcubed@3202 3894 \
dcubed@3202 3895 JNI_ENTRY(void, \
dcubed@3202 3896 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
dcubed@3202 3897 jsize len, const ElementType *buf)) \
dcubed@3202 3898 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \
dcubed@3202 3899 EntryProbe; \
dcubed@3202 3900 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \
dcubed@3202 3901 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \
dcubed@3202 3902 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \
dcubed@3202 3903 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
dcubed@3202 3904 } else { \
dcubed@3202 3905 if (len > 0) { \
coleenp@4142 3906 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \
dcubed@3202 3907 memcpy((u_char*) dst->Tag##_at_addr(start), \
dcubed@3202 3908 (u_char*) buf, \
dcubed@3202 3909 len << sc); \
dcubed@3202 3910 } \
dcubed@3202 3911 } \
dcubed@3202 3912 JNI_END
dcubed@3202 3913
dcubed@3202 3914 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool
dcubed@3202 3915 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf),
dcubed@3202 3916 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN())
dcubed@3202 3917 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte
dcubed@3202 3918 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf),
dcubed@3202 3919 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN())
dcubed@3202 3920 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short
dcubed@3202 3921 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
dcubed@3202 3922 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN())
dcubed@3202 3923 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char
dcubed@3202 3924 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
dcubed@3202 3925 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN())
dcubed@3202 3926 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int
dcubed@3202 3927 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf),
dcubed@3202 3928 HOTSPOT_JNI_SETINTARRAYREGION_RETURN())
dcubed@3202 3929 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long
dcubed@3202 3930 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
dcubed@3202 3931 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN())
dcubed@3202 3932 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float
dcubed@3202 3933 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf),
dcubed@3202 3934 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN())
dcubed@3202 3935 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double
dcubed@3202 3936 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf),
dcubed@3202 3937 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN())
dcubed@3202 3938 #endif /* USDT2 */
dcubed@3202 3939
duke@435 3940
duke@435 3941 //
duke@435 3942 // Interception of natives
duke@435 3943 //
duke@435 3944
duke@435 3945 // The RegisterNatives call being attempted tried to register with a method that
duke@435 3946 // is not native. Ask JVM TI what prefixes have been specified. Then check
duke@435 3947 // to see if the native method is now wrapped with the prefixes. See the
duke@435 3948 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details.
coleenp@4037 3949 static Method* find_prefixed_native(KlassHandle k,
coleenp@2497 3950 Symbol* name, Symbol* signature, TRAPS) {
jprovino@4165 3951 #if INCLUDE_JVMTI
duke@435 3952 ResourceMark rm(THREAD);
coleenp@4037 3953 Method* method;
duke@435 3954 int name_len = name->utf8_length();
duke@435 3955 char* name_str = name->as_utf8();
duke@435 3956 int prefix_count;
duke@435 3957 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count);
duke@435 3958 for (int i = 0; i < prefix_count; i++) {
duke@435 3959 char* prefix = prefixes[i];
duke@435 3960 int prefix_len = (int)strlen(prefix);
duke@435 3961
duke@435 3962 // try adding this prefix to the method name and see if it matches another method name
duke@435 3963 int trial_len = name_len + prefix_len;
duke@435 3964 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1);
duke@435 3965 strcpy(trial_name_str, prefix);
duke@435 3966 strcat(trial_name_str, name_str);
coleenp@2497 3967 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len);
coleenp@2497 3968 if (trial_name == NULL) {
duke@435 3969 continue; // no such symbol, so this prefix wasn't used, try the next prefix
duke@435 3970 }
hseigel@4278 3971 method = k()->lookup_method(trial_name, signature);
duke@435 3972 if (method == NULL) {
duke@435 3973 continue; // signature doesn't match, try the next prefix
duke@435 3974 }
duke@435 3975 if (method->is_native()) {
duke@435 3976 method->set_is_prefixed_native();
duke@435 3977 return method; // wahoo, we found a prefixed version of the method, return it
duke@435 3978 }
duke@435 3979 // found as non-native, so prefix is good, add it, probably just need more prefixes
duke@435 3980 name_len = trial_len;
duke@435 3981 name_str = trial_name_str;
duke@435 3982 }
jprovino@4165 3983 #endif // INCLUDE_JVMTI
duke@435 3984 return NULL; // not found
duke@435 3985 }
duke@435 3986
coleenp@2497 3987 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) {
hseigel@4278 3988 Method* method = k()->lookup_method(name, signature);
duke@435 3989 if (method == NULL) {
duke@435 3990 ResourceMark rm;
duke@435 3991 stringStream st;
duke@435 3992 st.print("Method %s name or signature does not match",
hseigel@4278 3993 Method::name_and_sig_as_C_string(k(), name, signature));
duke@435 3994 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false);
duke@435 3995 }
duke@435 3996 if (!method->is_native()) {
duke@435 3997 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es)
duke@435 3998 method = find_prefixed_native(k, name, signature, THREAD);
duke@435 3999 if (method == NULL) {
duke@435 4000 ResourceMark rm;
duke@435 4001 stringStream st;
duke@435 4002 st.print("Method %s is not declared as native",
hseigel@4278 4003 Method::name_and_sig_as_C_string(k(), name, signature));
duke@435 4004 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false);
duke@435 4005 }
duke@435 4006 }
duke@435 4007
duke@435 4008 if (entry != NULL) {
duke@435 4009 method->set_native_function(entry,
coleenp@4037 4010 Method::native_bind_event_is_interesting);
duke@435 4011 } else {
duke@435 4012 method->clear_native_function();
duke@435 4013 }
duke@435 4014 if (PrintJNIResolving) {
duke@435 4015 ResourceMark rm(THREAD);
duke@435 4016 tty->print_cr("[Registering JNI native method %s.%s]",
coleenp@4251 4017 method->method_holder()->external_name(),
duke@435 4018 method->name()->as_C_string());
duke@435 4019 }
duke@435 4020 return true;
duke@435 4021 }
duke@435 4022
dcubed@3202 4023 #ifndef USDT2
duke@435 4024 DT_RETURN_MARK_DECL(RegisterNatives, jint);
dcubed@3202 4025 #else /* USDT2 */
dcubed@3202 4026 DT_RETURN_MARK_DECL(RegisterNatives, jint
dcubed@3202 4027 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref));
dcubed@3202 4028 #endif /* USDT2 */
duke@435 4029
duke@435 4030 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz,
duke@435 4031 const JNINativeMethod *methods,
duke@435 4032 jint nMethods))
duke@435 4033 JNIWrapper("RegisterNatives");
dcubed@3202 4034 #ifndef USDT2
duke@435 4035 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods);
dcubed@3202 4036 #else /* USDT2 */
dcubed@3202 4037 HOTSPOT_JNI_REGISTERNATIVES_ENTRY(
dcubed@3202 4038 env, clazz, (void *) methods, nMethods);
dcubed@3202 4039 #endif /* USDT2 */
duke@435 4040 jint ret = 0;
duke@435 4041 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret);
duke@435 4042
coleenp@4037 4043 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
duke@435 4044
duke@435 4045 for (int index = 0; index < nMethods; index++) {
duke@435 4046 const char* meth_name = methods[index].name;
duke@435 4047 const char* meth_sig = methods[index].signature;
duke@435 4048 int meth_name_len = (int)strlen(meth_name);
duke@435 4049
duke@435 4050 // The class should have been loaded (we have an instance of the class
duke@435 4051 // passed in) so the method and signature should already be in the symbol
duke@435 4052 // table. If they're not there, the method doesn't exist.
coleenp@2497 4053 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len);
coleenp@2497 4054 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig));
coleenp@2497 4055
coleenp@2497 4056 if (name == NULL || signature == NULL) {
duke@435 4057 ResourceMark rm;
duke@435 4058 stringStream st;
hseigel@4278 4059 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig);
duke@435 4060 // Must return negative value on failure
duke@435 4061 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1);
duke@435 4062 }
duke@435 4063
duke@435 4064 bool res = register_native(h_k, name, signature,
duke@435 4065 (address) methods[index].fnPtr, THREAD);
duke@435 4066 if (!res) {
duke@435 4067 ret = -1;
duke@435 4068 break;
duke@435 4069 }
duke@435 4070 }
duke@435 4071 return ret;
duke@435 4072 JNI_END
duke@435 4073
duke@435 4074
duke@435 4075 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz))
duke@435 4076 JNIWrapper("UnregisterNatives");
dcubed@3202 4077 #ifndef USDT2
duke@435 4078 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz);
dcubed@3202 4079 #else /* USDT2 */
dcubed@3202 4080 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY(
dcubed@3202 4081 env, clazz);
dcubed@3202 4082 #endif /* USDT2 */
coleenp@4037 4083 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz));
duke@435 4084 //%note jni_2
hseigel@4278 4085 if (k->oop_is_instance()) {
coleenp@4037 4086 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) {
coleenp@4037 4087 Method* m = InstanceKlass::cast(k)->methods()->at(index);
duke@435 4088 if (m->is_native()) {
duke@435 4089 m->clear_native_function();
duke@435 4090 m->set_signature_handler(NULL);
duke@435 4091 }
duke@435 4092 }
duke@435 4093 }
dcubed@3202 4094 #ifndef USDT2
duke@435 4095 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0);
dcubed@3202 4096 #else /* USDT2 */
dcubed@3202 4097 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN(
dcubed@3202 4098 0);
dcubed@3202 4099 #endif /* USDT2 */
duke@435 4100 return 0;
duke@435 4101 JNI_END
duke@435 4102
duke@435 4103 //
duke@435 4104 // Monitor functions
duke@435 4105 //
duke@435 4106
dcubed@3202 4107 #ifndef USDT2
duke@435 4108 DT_RETURN_MARK_DECL(MonitorEnter, jint);
dcubed@3202 4109 #else /* USDT2 */
dcubed@3202 4110 DT_RETURN_MARK_DECL(MonitorEnter, jint
dcubed@3202 4111 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref));
dcubed@3202 4112 #endif /* USDT2 */
duke@435 4113
duke@435 4114 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj))
dcubed@3202 4115 #ifndef USDT2
duke@435 4116 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj);
dcubed@3202 4117 #else /* USDT2 */
dcubed@3202 4118 HOTSPOT_JNI_MONITORENTER_ENTRY(
dcubed@3202 4119 env, jobj);
dcubed@3202 4120 #endif /* USDT2 */
duke@435 4121 jint ret = JNI_ERR;
duke@435 4122 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret);
duke@435 4123
duke@435 4124 // If the object is null, we can't do anything with it
duke@435 4125 if (jobj == NULL) {
duke@435 4126 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR);
duke@435 4127 }
duke@435 4128
duke@435 4129 Handle obj(thread, JNIHandles::resolve_non_null(jobj));
duke@435 4130 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR));
duke@435 4131 ret = JNI_OK;
duke@435 4132 return ret;
duke@435 4133 JNI_END
duke@435 4134
dcubed@3202 4135 #ifndef USDT2
duke@435 4136 DT_RETURN_MARK_DECL(MonitorExit, jint);
dcubed@3202 4137 #else /* USDT2 */
dcubed@3202 4138 DT_RETURN_MARK_DECL(MonitorExit, jint
dcubed@3202 4139 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref));
dcubed@3202 4140 #endif /* USDT2 */
duke@435 4141
duke@435 4142 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj))
dcubed@3202 4143 #ifndef USDT2
duke@435 4144 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj);
dcubed@3202 4145 #else /* USDT2 */
dcubed@3202 4146 HOTSPOT_JNI_MONITOREXIT_ENTRY(
dcubed@3202 4147 env, jobj);
dcubed@3202 4148 #endif /* USDT2 */
duke@435 4149 jint ret = JNI_ERR;
duke@435 4150 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret);
duke@435 4151
duke@435 4152 // Don't do anything with a null object
duke@435 4153 if (jobj == NULL) {
duke@435 4154 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR);
duke@435 4155 }
duke@435 4156
duke@435 4157 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj));
duke@435 4158 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR));
duke@435 4159
duke@435 4160 ret = JNI_OK;
duke@435 4161 return ret;
duke@435 4162 JNI_END
duke@435 4163
duke@435 4164 //
duke@435 4165 // Extensions
duke@435 4166 //
duke@435 4167
dcubed@3202 4168 #ifndef USDT2
duke@435 4169 DT_VOID_RETURN_MARK_DECL(GetStringRegion);
dcubed@3202 4170 #else /* USDT2 */
dcubed@3202 4171 DT_VOID_RETURN_MARK_DECL(GetStringRegion
dcubed@3202 4172 , HOTSPOT_JNI_GETSTRINGREGION_RETURN());
dcubed@3202 4173 #endif /* USDT2 */
duke@435 4174
duke@435 4175 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf))
duke@435 4176 JNIWrapper("GetStringRegion");
dcubed@3202 4177 #ifndef USDT2
duke@435 4178 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf);
dcubed@3202 4179 #else /* USDT2 */
dcubed@3202 4180 HOTSPOT_JNI_GETSTRINGREGION_ENTRY(
dcubed@3202 4181 env, string, start, len, buf);
dcubed@3202 4182 #endif /* USDT2 */
duke@435 4183 DT_VOID_RETURN_MARK(GetStringRegion);
duke@435 4184 oop s = JNIHandles::resolve_non_null(string);
duke@435 4185 int s_len = java_lang_String::length(s);
duke@435 4186 if (start < 0 || len < 0 || start + len > s_len) {
duke@435 4187 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException());
duke@435 4188 } else {
duke@435 4189 if (len > 0) {
duke@435 4190 int s_offset = java_lang_String::offset(s);
duke@435 4191 typeArrayOop s_value = java_lang_String::value(s);
duke@435 4192 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len);
duke@435 4193 }
duke@435 4194 }
duke@435 4195 JNI_END
duke@435 4196
dcubed@3202 4197 #ifndef USDT2
duke@435 4198 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion);
dcubed@3202 4199 #else /* USDT2 */
dcubed@3202 4200 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion
dcubed@3202 4201 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN());
dcubed@3202 4202 #endif /* USDT2 */
duke@435 4203
duke@435 4204 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf))
duke@435 4205 JNIWrapper("GetStringUTFRegion");
dcubed@3202 4206 #ifndef USDT2
duke@435 4207 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf);
dcubed@3202 4208 #else /* USDT2 */
dcubed@3202 4209 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY(
dcubed@3202 4210 env, string, start, len, buf);
dcubed@3202 4211 #endif /* USDT2 */
duke@435 4212 DT_VOID_RETURN_MARK(GetStringUTFRegion);
duke@435 4213 oop s = JNIHandles::resolve_non_null(string);
duke@435 4214 int s_len = java_lang_String::length(s);
duke@435 4215 if (start < 0 || len < 0 || start + len > s_len) {
duke@435 4216 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException());
duke@435 4217 } else {
duke@435 4218 //%note jni_7
duke@435 4219 if (len > 0) {
duke@435 4220 ResourceMark rm(THREAD);
duke@435 4221 char *utf_region = java_lang_String::as_utf8_string(s, start, len);
duke@435 4222 int utf_len = (int)strlen(utf_region);
duke@435 4223 memcpy(buf, utf_region, utf_len);
duke@435 4224 buf[utf_len] = 0;
duke@435 4225 } else {
duke@435 4226 // JDK null-terminates the buffer even in len is zero
duke@435 4227 if (buf != NULL) {
duke@435 4228 buf[0] = 0;
duke@435 4229 }
duke@435 4230 }
duke@435 4231 }
duke@435 4232 JNI_END
duke@435 4233
duke@435 4234
duke@435 4235 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy))
duke@435 4236 JNIWrapper("GetPrimitiveArrayCritical");
dcubed@3202 4237 #ifndef USDT2
duke@435 4238 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy);
dcubed@3202 4239 #else /* USDT2 */
dcubed@3202 4240 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY(
dcubed@3202 4241 env, array, (uintptr_t *) isCopy);
dcubed@3202 4242 #endif /* USDT2 */
duke@435 4243 GC_locker::lock_critical(thread);
duke@435 4244 if (isCopy != NULL) {
duke@435 4245 *isCopy = JNI_FALSE;
duke@435 4246 }
duke@435 4247 oop a = JNIHandles::resolve_non_null(array);
duke@435 4248 assert(a->is_array(), "just checking");
duke@435 4249 BasicType type;
duke@435 4250 if (a->is_objArray()) {
duke@435 4251 type = T_OBJECT;
duke@435 4252 } else {
coleenp@4142 4253 type = TypeArrayKlass::cast(a->klass())->element_type();
duke@435 4254 }
duke@435 4255 void* ret = arrayOop(a)->base(type);
dcubed@3202 4256 #ifndef USDT2
duke@435 4257 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret);
dcubed@3202 4258 #else /* USDT2 */
dcubed@3202 4259 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN(
dcubed@3202 4260 ret);
dcubed@3202 4261 #endif /* USDT2 */
duke@435 4262 return ret;
duke@435 4263 JNI_END
duke@435 4264
duke@435 4265
duke@435 4266 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode))
duke@435 4267 JNIWrapper("ReleasePrimitiveArrayCritical");
dcubed@3202 4268 #ifndef USDT2
duke@435 4269 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode);
dcubed@3202 4270 #else /* USDT2 */
dcubed@3202 4271 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY(
dcubed@3202 4272 env, array, carray, mode);
dcubed@3202 4273 #endif /* USDT2 */
duke@435 4274 // The array, carray and mode arguments are ignored
duke@435 4275 GC_locker::unlock_critical(thread);
dcubed@3202 4276 #ifndef USDT2
duke@435 4277 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return);
dcubed@3202 4278 #else /* USDT2 */
dcubed@3202 4279 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN(
dcubed@3202 4280 );
dcubed@3202 4281 #endif /* USDT2 */
duke@435 4282 JNI_END
duke@435 4283
duke@435 4284
duke@435 4285 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy))
duke@435 4286 JNIWrapper("GetStringCritical");
dcubed@3202 4287 #ifndef USDT2
duke@435 4288 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy);
dcubed@3202 4289 #else /* USDT2 */
dcubed@3202 4290 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY(
dcubed@3202 4291 env, string, (uintptr_t *) isCopy);
dcubed@3202 4292 #endif /* USDT2 */
duke@435 4293 GC_locker::lock_critical(thread);
duke@435 4294 if (isCopy != NULL) {
duke@435 4295 *isCopy = JNI_FALSE;
duke@435 4296 }
duke@435 4297 oop s = JNIHandles::resolve_non_null(string);
duke@435 4298 int s_len = java_lang_String::length(s);
duke@435 4299 typeArrayOop s_value = java_lang_String::value(s);
duke@435 4300 int s_offset = java_lang_String::offset(s);
duke@435 4301 const jchar* ret;
duke@435 4302 if (s_len > 0) {
duke@435 4303 ret = s_value->char_at_addr(s_offset);
duke@435 4304 } else {
duke@435 4305 ret = (jchar*) s_value->base(T_CHAR);
duke@435 4306 }
dcubed@3202 4307 #ifndef USDT2
duke@435 4308 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret);
dcubed@3202 4309 #else /* USDT2 */
dcubed@3202 4310 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN(
dcubed@3202 4311 (uint16_t *) ret);
dcubed@3202 4312 #endif /* USDT2 */
duke@435 4313 return ret;
duke@435 4314 JNI_END
duke@435 4315
duke@435 4316
duke@435 4317 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars))
duke@435 4318 JNIWrapper("ReleaseStringCritical");
dcubed@3202 4319 #ifndef USDT2
duke@435 4320 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars);
dcubed@3202 4321 #else /* USDT2 */
dcubed@3202 4322 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY(
dcubed@3202 4323 env, str, (uint16_t *) chars);
dcubed@3202 4324 #endif /* USDT2 */
duke@435 4325 // The str and chars arguments are ignored
duke@435 4326 GC_locker::unlock_critical(thread);
dcubed@3202 4327 #ifndef USDT2
duke@435 4328 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return);
dcubed@3202 4329 #else /* USDT2 */
dcubed@3202 4330 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN(
dcubed@3202 4331 );
dcubed@3202 4332 #endif /* USDT2 */
duke@435 4333 JNI_END
duke@435 4334
duke@435 4335
duke@435 4336 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref))
duke@435 4337 JNIWrapper("jni_NewWeakGlobalRef");
dcubed@3202 4338 #ifndef USDT2
duke@435 4339 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref);
dcubed@3202 4340 #else /* USDT2 */
dcubed@3202 4341 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY(
dcubed@3202 4342 env, ref);
dcubed@3202 4343 #endif /* USDT2 */
duke@435 4344 Handle ref_handle(thread, JNIHandles::resolve(ref));
duke@435 4345 jweak ret = JNIHandles::make_weak_global(ref_handle);
dcubed@3202 4346 #ifndef USDT2
duke@435 4347 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret);
dcubed@3202 4348 #else /* USDT2 */
dcubed@3202 4349 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN(
dcubed@3202 4350 ret);
dcubed@3202 4351 #endif /* USDT2 */
duke@435 4352 return ret;
duke@435 4353 JNI_END
duke@435 4354
duke@435 4355 // Must be JNI_ENTRY (with HandleMark)
duke@435 4356 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref))
duke@435 4357 JNIWrapper("jni_DeleteWeakGlobalRef");
dcubed@3202 4358 #ifndef USDT2
duke@435 4359 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref);
dcubed@3202 4360 #else /* USDT2 */
dcubed@3202 4361 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY(
dcubed@3202 4362 env, ref);
dcubed@3202 4363 #endif /* USDT2 */
duke@435 4364 JNIHandles::destroy_weak_global(ref);
dcubed@3202 4365 #ifndef USDT2
duke@435 4366 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return);
dcubed@3202 4367 #else /* USDT2 */
dcubed@3202 4368 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN(
dcubed@3202 4369 );
dcubed@3202 4370 #endif /* USDT2 */
duke@435 4371 JNI_END
duke@435 4372
duke@435 4373
duke@435 4374 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env))
duke@435 4375 JNIWrapper("jni_ExceptionCheck");
dcubed@3202 4376 #ifndef USDT2
duke@435 4377 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env);
dcubed@3202 4378 #else /* USDT2 */
dcubed@3202 4379 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY(
dcubed@3202 4380 env);
dcubed@3202 4381 #endif /* USDT2 */
duke@435 4382 jni_check_async_exceptions(thread);
duke@435 4383 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE;
dcubed@3202 4384 #ifndef USDT2
duke@435 4385 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret);
dcubed@3202 4386 #else /* USDT2 */
dcubed@3202 4387 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN(
dcubed@3202 4388 ret);
dcubed@3202 4389 #endif /* USDT2 */
duke@435 4390 return ret;
duke@435 4391 JNI_END
duke@435 4392
duke@435 4393
duke@435 4394 // Initialization state for three routines below relating to
duke@435 4395 // java.nio.DirectBuffers
duke@435 4396 static jint directBufferSupportInitializeStarted = 0;
duke@435 4397 static volatile jint directBufferSupportInitializeEnded = 0;
duke@435 4398 static volatile jint directBufferSupportInitializeFailed = 0;
duke@435 4399 static jclass bufferClass = NULL;
duke@435 4400 static jclass directBufferClass = NULL;
duke@435 4401 static jclass directByteBufferClass = NULL;
duke@435 4402 static jmethodID directByteBufferConstructor = NULL;
duke@435 4403 static jfieldID directBufferAddressField = NULL;
duke@435 4404 static jfieldID bufferCapacityField = NULL;
duke@435 4405
duke@435 4406 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) {
duke@435 4407 Handle loader; // null (bootstrap) loader
duke@435 4408 Handle protection_domain; // null protection domain
duke@435 4409
coleenp@2497 4410 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL);
acorn@1092 4411 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL);
acorn@1092 4412
acorn@1092 4413 if (TraceClassResolution && result != NULL) {
coleenp@4037 4414 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result)));
acorn@1092 4415 }
acorn@1092 4416 return result;
duke@435 4417 }
duke@435 4418
duke@435 4419 // These lookups are done with the NULL (bootstrap) ClassLoader to
duke@435 4420 // circumvent any security checks that would be done by jni_FindClass.
duke@435 4421 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env))
duke@435 4422 {
duke@435 4423 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; }
duke@435 4424 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; }
duke@435 4425 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; }
duke@435 4426 return true;
duke@435 4427 }
duke@435 4428 JNI_END
duke@435 4429
duke@435 4430
duke@435 4431 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) {
duke@435 4432 if (directBufferSupportInitializeFailed) {
duke@435 4433 return false;
duke@435 4434 }
duke@435 4435
duke@435 4436 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) {
duke@435 4437 if (!lookupDirectBufferClasses(env)) {
duke@435 4438 directBufferSupportInitializeFailed = 1;
duke@435 4439 return false;
duke@435 4440 }
duke@435 4441
duke@435 4442 // Make global references for these
duke@435 4443 bufferClass = (jclass) env->NewGlobalRef(bufferClass);
duke@435 4444 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass);
duke@435 4445 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass);
duke@435 4446
duke@435 4447 // Get needed field and method IDs
duke@435 4448 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V");
duke@435 4449 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J");
duke@435 4450 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I");
duke@435 4451
duke@435 4452 if ((directByteBufferConstructor == NULL) ||
duke@435 4453 (directBufferAddressField == NULL) ||
duke@435 4454 (bufferCapacityField == NULL)) {
duke@435 4455 directBufferSupportInitializeFailed = 1;
duke@435 4456 return false;
duke@435 4457 }
duke@435 4458
duke@435 4459 directBufferSupportInitializeEnded = 1;
duke@435 4460 } else {
duke@435 4461 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) {
xlu@956 4462 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls
xlu@956 4463 // os::sleep which requires the VM state transition. On other platforms, it
xlu@956 4464 // is not necessary. The following call to change the VM state is purposely
xlu@956 4465 // put inside the loop to avoid potential deadlock when multiple threads
xlu@956 4466 // try to call this method. See 6791815 for more details.
xlu@956 4467 ThreadInVMfromNative tivn(thread);
duke@435 4468 os::yield_all();
duke@435 4469 }
duke@435 4470 }
duke@435 4471
duke@435 4472 return !directBufferSupportInitializeFailed;
duke@435 4473 }
duke@435 4474
duke@435 4475 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity)
duke@435 4476 {
duke@435 4477 // thread_from_jni_environment() will block if VM is gone.
duke@435 4478 JavaThread* thread = JavaThread::thread_from_jni_environment(env);
duke@435 4479
duke@435 4480 JNIWrapper("jni_NewDirectByteBuffer");
dcubed@3202 4481 #ifndef USDT2
duke@435 4482 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity);
dcubed@3202 4483 #else /* USDT2 */
dcubed@3202 4484 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY(
dcubed@3202 4485 env, address, capacity);
dcubed@3202 4486 #endif /* USDT2 */
duke@435 4487
duke@435 4488 if (!directBufferSupportInitializeEnded) {
duke@435 4489 if (!initializeDirectBufferSupport(env, thread)) {
dcubed@3202 4490 #ifndef USDT2
duke@435 4491 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL);
dcubed@3202 4492 #else /* USDT2 */
dcubed@3202 4493 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(
dcubed@3202 4494 NULL);
dcubed@3202 4495 #endif /* USDT2 */
duke@435 4496 return NULL;
duke@435 4497 }
duke@435 4498 }
duke@435 4499
duke@435 4500 // Being paranoid about accidental sign extension on address
duke@435 4501 jlong addr = (jlong) ((uintptr_t) address);
duke@435 4502 // NOTE that package-private DirectByteBuffer constructor currently
duke@435 4503 // takes int capacity
duke@435 4504 jint cap = (jint) capacity;
duke@435 4505 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap);
dcubed@3202 4506 #ifndef USDT2
duke@435 4507 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret);
dcubed@3202 4508 #else /* USDT2 */
dcubed@3202 4509 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(
dcubed@3202 4510 ret);
dcubed@3202 4511 #endif /* USDT2 */
duke@435 4512 return ret;
duke@435 4513 }
duke@435 4514
dcubed@3202 4515 #ifndef USDT2
duke@435 4516 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*);
dcubed@3202 4517 #else /* USDT2 */
dcubed@3202 4518 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*
dcubed@3202 4519 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref));
dcubed@3202 4520 #endif /* USDT2 */
duke@435 4521
duke@435 4522 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf)
duke@435 4523 {
duke@435 4524 // thread_from_jni_environment() will block if VM is gone.
duke@435 4525 JavaThread* thread = JavaThread::thread_from_jni_environment(env);
duke@435 4526
duke@435 4527 JNIWrapper("jni_GetDirectBufferAddress");
dcubed@3202 4528 #ifndef USDT2
duke@435 4529 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf);
dcubed@3202 4530 #else /* USDT2 */
dcubed@3202 4531 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY(
dcubed@3202 4532 env, buf);
dcubed@3202 4533 #endif /* USDT2 */
duke@435 4534 void* ret = NULL;
duke@435 4535 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret);
duke@435 4536
duke@435 4537 if (!directBufferSupportInitializeEnded) {
duke@435 4538 if (!initializeDirectBufferSupport(env, thread)) {
duke@435 4539 return 0;
duke@435 4540 }
duke@435 4541 }
duke@435 4542
duke@435 4543 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) {
duke@435 4544 return 0;
duke@435 4545 }
duke@435 4546
duke@435 4547 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField);
duke@435 4548 return ret;
duke@435 4549 }
duke@435 4550
dcubed@3202 4551 #ifndef USDT2
duke@435 4552 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong);
dcubed@3202 4553 #else /* USDT2 */
dcubed@3202 4554 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong
dcubed@3202 4555 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref));
dcubed@3202 4556 #endif /* USDT2 */
duke@435 4557
duke@435 4558 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf)
duke@435 4559 {
duke@435 4560 // thread_from_jni_environment() will block if VM is gone.
duke@435 4561 JavaThread* thread = JavaThread::thread_from_jni_environment(env);
duke@435 4562
duke@435 4563 JNIWrapper("jni_GetDirectBufferCapacity");
dcubed@3202 4564 #ifndef USDT2
duke@435 4565 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf);
dcubed@3202 4566 #else /* USDT2 */
dcubed@3202 4567 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY(
dcubed@3202 4568 env, buf);
dcubed@3202 4569 #endif /* USDT2 */
duke@435 4570 jlong ret = -1;
duke@435 4571 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret);
duke@435 4572
duke@435 4573 if (!directBufferSupportInitializeEnded) {
duke@435 4574 if (!initializeDirectBufferSupport(env, thread)) {
duke@435 4575 ret = 0;
duke@435 4576 return ret;
duke@435 4577 }
duke@435 4578 }
duke@435 4579
duke@435 4580 if (buf == NULL) {
duke@435 4581 return -1;
duke@435 4582 }
duke@435 4583
duke@435 4584 if (!env->IsInstanceOf(buf, directBufferClass)) {
duke@435 4585 return -1;
duke@435 4586 }
duke@435 4587
duke@435 4588 // NOTE that capacity is currently an int in the implementation
duke@435 4589 ret = env->GetIntField(buf, bufferCapacityField);
duke@435 4590 return ret;
duke@435 4591 }
duke@435 4592
duke@435 4593
duke@435 4594 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env))
duke@435 4595 JNIWrapper("GetVersion");
dcubed@3202 4596 #ifndef USDT2
duke@435 4597 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env);
dcubed@3202 4598 #else /* USDT2 */
dcubed@3202 4599 HOTSPOT_JNI_GETVERSION_ENTRY(
dcubed@3202 4600 env);
dcubed@3202 4601 #endif /* USDT2 */
dcubed@3202 4602 #ifndef USDT2
duke@435 4603 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion);
dcubed@3202 4604 #else /* USDT2 */
dcubed@3202 4605 HOTSPOT_JNI_GETVERSION_RETURN(
dcubed@3202 4606 CurrentVersion);
dcubed@3202 4607 #endif /* USDT2 */
duke@435 4608 return CurrentVersion;
duke@435 4609 JNI_END
duke@435 4610
duke@435 4611 extern struct JavaVM_ main_vm;
duke@435 4612
duke@435 4613 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm))
duke@435 4614 JNIWrapper("jni_GetJavaVM");
dcubed@3202 4615 #ifndef USDT2
duke@435 4616 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm);
dcubed@3202 4617 #else /* USDT2 */
dcubed@3202 4618 HOTSPOT_JNI_GETJAVAVM_ENTRY(
dcubed@3202 4619 env, (void **) vm);
dcubed@3202 4620 #endif /* USDT2 */
duke@435 4621 *vm = (JavaVM *)(&main_vm);
dcubed@3202 4622 #ifndef USDT2
duke@435 4623 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK);
dcubed@3202 4624 #else /* USDT2 */
dcubed@3202 4625 HOTSPOT_JNI_GETJAVAVM_RETURN(
dcubed@3202 4626 JNI_OK);
dcubed@3202 4627 #endif /* USDT2 */
duke@435 4628 return JNI_OK;
duke@435 4629 JNI_END
duke@435 4630
duke@435 4631 // Structure containing all jni functions
duke@435 4632 struct JNINativeInterface_ jni_NativeInterface = {
duke@435 4633 NULL,
duke@435 4634 NULL,
duke@435 4635 NULL,
duke@435 4636
duke@435 4637 NULL,
duke@435 4638
duke@435 4639 jni_GetVersion,
duke@435 4640
duke@435 4641 jni_DefineClass,
duke@435 4642 jni_FindClass,
duke@435 4643
duke@435 4644 jni_FromReflectedMethod,
duke@435 4645 jni_FromReflectedField,
duke@435 4646
duke@435 4647 jni_ToReflectedMethod,
duke@435 4648
duke@435 4649 jni_GetSuperclass,
duke@435 4650 jni_IsAssignableFrom,
duke@435 4651
duke@435 4652 jni_ToReflectedField,
duke@435 4653
duke@435 4654 jni_Throw,
duke@435 4655 jni_ThrowNew,
duke@435 4656 jni_ExceptionOccurred,
duke@435 4657 jni_ExceptionDescribe,
duke@435 4658 jni_ExceptionClear,
duke@435 4659 jni_FatalError,
duke@435 4660
duke@435 4661 jni_PushLocalFrame,
duke@435 4662 jni_PopLocalFrame,
duke@435 4663
duke@435 4664 jni_NewGlobalRef,
duke@435 4665 jni_DeleteGlobalRef,
duke@435 4666 jni_DeleteLocalRef,
duke@435 4667 jni_IsSameObject,
duke@435 4668
duke@435 4669 jni_NewLocalRef,
duke@435 4670 jni_EnsureLocalCapacity,
duke@435 4671
duke@435 4672 jni_AllocObject,
duke@435 4673 jni_NewObject,
duke@435 4674 jni_NewObjectV,
duke@435 4675 jni_NewObjectA,
duke@435 4676
duke@435 4677 jni_GetObjectClass,
duke@435 4678 jni_IsInstanceOf,
duke@435 4679
duke@435 4680 jni_GetMethodID,
duke@435 4681
duke@435 4682 jni_CallObjectMethod,
duke@435 4683 jni_CallObjectMethodV,
duke@435 4684 jni_CallObjectMethodA,
duke@435 4685 jni_CallBooleanMethod,
duke@435 4686 jni_CallBooleanMethodV,
duke@435 4687 jni_CallBooleanMethodA,
duke@435 4688 jni_CallByteMethod,
duke@435 4689 jni_CallByteMethodV,
duke@435 4690 jni_CallByteMethodA,
duke@435 4691 jni_CallCharMethod,
duke@435 4692 jni_CallCharMethodV,
duke@435 4693 jni_CallCharMethodA,
duke@435 4694 jni_CallShortMethod,
duke@435 4695 jni_CallShortMethodV,
duke@435 4696 jni_CallShortMethodA,
duke@435 4697 jni_CallIntMethod,
duke@435 4698 jni_CallIntMethodV,
duke@435 4699 jni_CallIntMethodA,
duke@435 4700 jni_CallLongMethod,
duke@435 4701 jni_CallLongMethodV,
duke@435 4702 jni_CallLongMethodA,
duke@435 4703 jni_CallFloatMethod,
duke@435 4704 jni_CallFloatMethodV,
duke@435 4705 jni_CallFloatMethodA,
duke@435 4706 jni_CallDoubleMethod,
duke@435 4707 jni_CallDoubleMethodV,
duke@435 4708 jni_CallDoubleMethodA,
duke@435 4709 jni_CallVoidMethod,
duke@435 4710 jni_CallVoidMethodV,
duke@435 4711 jni_CallVoidMethodA,
duke@435 4712
duke@435 4713 jni_CallNonvirtualObjectMethod,
duke@435 4714 jni_CallNonvirtualObjectMethodV,
duke@435 4715 jni_CallNonvirtualObjectMethodA,
duke@435 4716 jni_CallNonvirtualBooleanMethod,
duke@435 4717 jni_CallNonvirtualBooleanMethodV,
duke@435 4718 jni_CallNonvirtualBooleanMethodA,
duke@435 4719 jni_CallNonvirtualByteMethod,
duke@435 4720 jni_CallNonvirtualByteMethodV,
duke@435 4721 jni_CallNonvirtualByteMethodA,
duke@435 4722 jni_CallNonvirtualCharMethod,
duke@435 4723 jni_CallNonvirtualCharMethodV,
duke@435 4724 jni_CallNonvirtualCharMethodA,
duke@435 4725 jni_CallNonvirtualShortMethod,
duke@435 4726 jni_CallNonvirtualShortMethodV,
duke@435 4727 jni_CallNonvirtualShortMethodA,
duke@435 4728 jni_CallNonvirtualIntMethod,
duke@435 4729 jni_CallNonvirtualIntMethodV,
duke@435 4730 jni_CallNonvirtualIntMethodA,
duke@435 4731 jni_CallNonvirtualLongMethod,
duke@435 4732 jni_CallNonvirtualLongMethodV,
duke@435 4733 jni_CallNonvirtualLongMethodA,
duke@435 4734 jni_CallNonvirtualFloatMethod,
duke@435 4735 jni_CallNonvirtualFloatMethodV,
duke@435 4736 jni_CallNonvirtualFloatMethodA,
duke@435 4737 jni_CallNonvirtualDoubleMethod,
duke@435 4738 jni_CallNonvirtualDoubleMethodV,
duke@435 4739 jni_CallNonvirtualDoubleMethodA,
duke@435 4740 jni_CallNonvirtualVoidMethod,
duke@435 4741 jni_CallNonvirtualVoidMethodV,
duke@435 4742 jni_CallNonvirtualVoidMethodA,
duke@435 4743
duke@435 4744 jni_GetFieldID,
duke@435 4745
duke@435 4746 jni_GetObjectField,
duke@435 4747 jni_GetBooleanField,
duke@435 4748 jni_GetByteField,
duke@435 4749 jni_GetCharField,
duke@435 4750 jni_GetShortField,
duke@435 4751 jni_GetIntField,
duke@435 4752 jni_GetLongField,
duke@435 4753 jni_GetFloatField,
duke@435 4754 jni_GetDoubleField,
duke@435 4755
duke@435 4756 jni_SetObjectField,
duke@435 4757 jni_SetBooleanField,
duke@435 4758 jni_SetByteField,
duke@435 4759 jni_SetCharField,
duke@435 4760 jni_SetShortField,
duke@435 4761 jni_SetIntField,
duke@435 4762 jni_SetLongField,
duke@435 4763 jni_SetFloatField,
duke@435 4764 jni_SetDoubleField,
duke@435 4765
duke@435 4766 jni_GetStaticMethodID,
duke@435 4767
duke@435 4768 jni_CallStaticObjectMethod,
duke@435 4769 jni_CallStaticObjectMethodV,
duke@435 4770 jni_CallStaticObjectMethodA,
duke@435 4771 jni_CallStaticBooleanMethod,
duke@435 4772 jni_CallStaticBooleanMethodV,
duke@435 4773 jni_CallStaticBooleanMethodA,
duke@435 4774 jni_CallStaticByteMethod,
duke@435 4775 jni_CallStaticByteMethodV,
duke@435 4776 jni_CallStaticByteMethodA,
duke@435 4777 jni_CallStaticCharMethod,
duke@435 4778 jni_CallStaticCharMethodV,
duke@435 4779 jni_CallStaticCharMethodA,
duke@435 4780 jni_CallStaticShortMethod,
duke@435 4781 jni_CallStaticShortMethodV,
duke@435 4782 jni_CallStaticShortMethodA,
duke@435 4783 jni_CallStaticIntMethod,
duke@435 4784 jni_CallStaticIntMethodV,
duke@435 4785 jni_CallStaticIntMethodA,
duke@435 4786 jni_CallStaticLongMethod,
duke@435 4787 jni_CallStaticLongMethodV,
duke@435 4788 jni_CallStaticLongMethodA,
duke@435 4789 jni_CallStaticFloatMethod,
duke@435 4790 jni_CallStaticFloatMethodV,
duke@435 4791 jni_CallStaticFloatMethodA,
duke@435 4792 jni_CallStaticDoubleMethod,
duke@435 4793 jni_CallStaticDoubleMethodV,
duke@435 4794 jni_CallStaticDoubleMethodA,
duke@435 4795 jni_CallStaticVoidMethod,
duke@435 4796 jni_CallStaticVoidMethodV,
duke@435 4797 jni_CallStaticVoidMethodA,
duke@435 4798
duke@435 4799 jni_GetStaticFieldID,
duke@435 4800
duke@435 4801 jni_GetStaticObjectField,
duke@435 4802 jni_GetStaticBooleanField,
duke@435 4803 jni_GetStaticByteField,
duke@435 4804 jni_GetStaticCharField,
duke@435 4805 jni_GetStaticShortField,
duke@435 4806 jni_GetStaticIntField,
duke@435 4807 jni_GetStaticLongField,
duke@435 4808 jni_GetStaticFloatField,
duke@435 4809 jni_GetStaticDoubleField,
duke@435 4810
duke@435 4811 jni_SetStaticObjectField,
duke@435 4812 jni_SetStaticBooleanField,
duke@435 4813 jni_SetStaticByteField,
duke@435 4814 jni_SetStaticCharField,
duke@435 4815 jni_SetStaticShortField,
duke@435 4816 jni_SetStaticIntField,
duke@435 4817 jni_SetStaticLongField,
duke@435 4818 jni_SetStaticFloatField,
duke@435 4819 jni_SetStaticDoubleField,
duke@435 4820
duke@435 4821 jni_NewString,
duke@435 4822 jni_GetStringLength,
duke@435 4823 jni_GetStringChars,
duke@435 4824 jni_ReleaseStringChars,
duke@435 4825
duke@435 4826 jni_NewStringUTF,
duke@435 4827 jni_GetStringUTFLength,
duke@435 4828 jni_GetStringUTFChars,
duke@435 4829 jni_ReleaseStringUTFChars,
duke@435 4830
duke@435 4831 jni_GetArrayLength,
duke@435 4832
duke@435 4833 jni_NewObjectArray,
duke@435 4834 jni_GetObjectArrayElement,
duke@435 4835 jni_SetObjectArrayElement,
duke@435 4836
duke@435 4837 jni_NewBooleanArray,
duke@435 4838 jni_NewByteArray,
duke@435 4839 jni_NewCharArray,
duke@435 4840 jni_NewShortArray,
duke@435 4841 jni_NewIntArray,
duke@435 4842 jni_NewLongArray,
duke@435 4843 jni_NewFloatArray,
duke@435 4844 jni_NewDoubleArray,
duke@435 4845
duke@435 4846 jni_GetBooleanArrayElements,
duke@435 4847 jni_GetByteArrayElements,
duke@435 4848 jni_GetCharArrayElements,
duke@435 4849 jni_GetShortArrayElements,
duke@435 4850 jni_GetIntArrayElements,
duke@435 4851 jni_GetLongArrayElements,
duke@435 4852 jni_GetFloatArrayElements,
duke@435 4853 jni_GetDoubleArrayElements,
duke@435 4854
duke@435 4855 jni_ReleaseBooleanArrayElements,
duke@435 4856 jni_ReleaseByteArrayElements,
duke@435 4857 jni_ReleaseCharArrayElements,
duke@435 4858 jni_ReleaseShortArrayElements,
duke@435 4859 jni_ReleaseIntArrayElements,
duke@435 4860 jni_ReleaseLongArrayElements,
duke@435 4861 jni_ReleaseFloatArrayElements,
duke@435 4862 jni_ReleaseDoubleArrayElements,
duke@435 4863
duke@435 4864 jni_GetBooleanArrayRegion,
duke@435 4865 jni_GetByteArrayRegion,
duke@435 4866 jni_GetCharArrayRegion,
duke@435 4867 jni_GetShortArrayRegion,
duke@435 4868 jni_GetIntArrayRegion,
duke@435 4869 jni_GetLongArrayRegion,
duke@435 4870 jni_GetFloatArrayRegion,
duke@435 4871 jni_GetDoubleArrayRegion,
duke@435 4872
duke@435 4873 jni_SetBooleanArrayRegion,
duke@435 4874 jni_SetByteArrayRegion,
duke@435 4875 jni_SetCharArrayRegion,
duke@435 4876 jni_SetShortArrayRegion,
duke@435 4877 jni_SetIntArrayRegion,
duke@435 4878 jni_SetLongArrayRegion,
duke@435 4879 jni_SetFloatArrayRegion,
duke@435 4880 jni_SetDoubleArrayRegion,
duke@435 4881
duke@435 4882 jni_RegisterNatives,
duke@435 4883 jni_UnregisterNatives,
duke@435 4884
duke@435 4885 jni_MonitorEnter,
duke@435 4886 jni_MonitorExit,
duke@435 4887
duke@435 4888 jni_GetJavaVM,
duke@435 4889
duke@435 4890 jni_GetStringRegion,
duke@435 4891 jni_GetStringUTFRegion,
duke@435 4892
duke@435 4893 jni_GetPrimitiveArrayCritical,
duke@435 4894 jni_ReleasePrimitiveArrayCritical,
duke@435 4895
duke@435 4896 jni_GetStringCritical,
duke@435 4897 jni_ReleaseStringCritical,
duke@435 4898
duke@435 4899 jni_NewWeakGlobalRef,
duke@435 4900 jni_DeleteWeakGlobalRef,
duke@435 4901
duke@435 4902 jni_ExceptionCheck,
duke@435 4903
duke@435 4904 jni_NewDirectByteBuffer,
duke@435 4905 jni_GetDirectBufferAddress,
duke@435 4906 jni_GetDirectBufferCapacity,
duke@435 4907
duke@435 4908 // New 1_6 features
duke@435 4909
duke@435 4910 jni_GetObjectRefType
duke@435 4911 };
duke@435 4912
duke@435 4913
duke@435 4914 // For jvmti use to modify jni function table.
duke@435 4915 // Java threads in native contiues to run until it is transitioned
duke@435 4916 // to VM at safepoint. Before the transition or before it is blocked
duke@435 4917 // for safepoint it may access jni function table. VM could crash if
duke@435 4918 // any java thread access the jni function table in the middle of memcpy.
duke@435 4919 // To avoid this each function pointers are copied automically.
duke@435 4920 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) {
duke@435 4921 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint");
duke@435 4922 intptr_t *a = (intptr_t *) jni_functions();
duke@435 4923 intptr_t *b = (intptr_t *) new_jni_NativeInterface;
duke@435 4924 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) {
duke@435 4925 Atomic::store_ptr(*b++, a++);
duke@435 4926 }
duke@435 4927 }
duke@435 4928
duke@435 4929 void quicken_jni_functions() {
duke@435 4930 // Replace Get<Primitive>Field with fast versions
duke@435 4931 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access()
duke@435 4932 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls
duke@435 4933 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2)
duke@435 4934 // windows x86 currently needs SEH wrapper and the gain of the fast
duke@435 4935 // versions currently isn't certain for server vm on uniprocessor.
duke@435 4936 && os::is_MP()
duke@435 4937 #endif
duke@435 4938 ) {
duke@435 4939 address func;
duke@435 4940 func = JNI_FastGetField::generate_fast_get_boolean_field();
duke@435 4941 if (func != (address)-1) {
duke@435 4942 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func;
duke@435 4943 }
duke@435 4944 func = JNI_FastGetField::generate_fast_get_byte_field();
duke@435 4945 if (func != (address)-1) {
duke@435 4946 jni_NativeInterface.GetByteField = (GetByteField_t)func;
duke@435 4947 }
duke@435 4948 func = JNI_FastGetField::generate_fast_get_char_field();
duke@435 4949 if (func != (address)-1) {
duke@435 4950 jni_NativeInterface.GetCharField = (GetCharField_t)func;
duke@435 4951 }
duke@435 4952 func = JNI_FastGetField::generate_fast_get_short_field();
duke@435 4953 if (func != (address)-1) {
duke@435 4954 jni_NativeInterface.GetShortField = (GetShortField_t)func;
duke@435 4955 }
duke@435 4956 func = JNI_FastGetField::generate_fast_get_int_field();
duke@435 4957 if (func != (address)-1) {
duke@435 4958 jni_NativeInterface.GetIntField = (GetIntField_t)func;
duke@435 4959 }
duke@435 4960 func = JNI_FastGetField::generate_fast_get_long_field();
duke@435 4961 if (func != (address)-1) {
duke@435 4962 jni_NativeInterface.GetLongField = (GetLongField_t)func;
duke@435 4963 }
duke@435 4964 func = JNI_FastGetField::generate_fast_get_float_field();
duke@435 4965 if (func != (address)-1) {
duke@435 4966 jni_NativeInterface.GetFloatField = (GetFloatField_t)func;
duke@435 4967 }
duke@435 4968 func = JNI_FastGetField::generate_fast_get_double_field();
duke@435 4969 if (func != (address)-1) {
duke@435 4970 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func;
duke@435 4971 }
duke@435 4972 }
duke@435 4973 }
duke@435 4974
duke@435 4975 // Returns the function structure
duke@435 4976 struct JNINativeInterface_* jni_functions() {
jprovino@4165 4977 #if INCLUDE_JNI_CHECK
duke@435 4978 if (CheckJNICalls) return jni_functions_check();
jprovino@4165 4979 #endif // INCLUDE_JNI_CHECK
duke@435 4980 return &jni_NativeInterface;
duke@435 4981 }
duke@435 4982
duke@435 4983 // Returns the function structure
duke@435 4984 struct JNINativeInterface_* jni_functions_nocheck() {
duke@435 4985 return &jni_NativeInterface;
duke@435 4986 }
duke@435 4987
duke@435 4988
duke@435 4989 // Invocation API
duke@435 4990
duke@435 4991
duke@435 4992 // Forward declaration
duke@435 4993 extern const struct JNIInvokeInterface_ jni_InvokeInterface;
duke@435 4994
duke@435 4995 // Global invocation API vars
duke@435 4996 volatile jint vm_created = 0;
duke@435 4997 // Indicate whether it is safe to recreate VM
duke@435 4998 volatile jint safe_to_recreate_vm = 1;
duke@435 4999 struct JavaVM_ main_vm = {&jni_InvokeInterface};
duke@435 5000
duke@435 5001
duke@435 5002 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */
duke@435 5003 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL };
duke@435 5004
dcubed@3202 5005 #ifndef USDT2
duke@435 5006 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*);
duke@435 5007 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint);
dcubed@3202 5008 #else /* USDT2 */
dcubed@3202 5009 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint
dcubed@3202 5010 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref));
dcubed@3202 5011 #endif /* USDT2 */
duke@435 5012
duke@435 5013 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) {
dcubed@3202 5014 #ifndef USDT2
duke@435 5015 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_);
dcubed@3202 5016 #else /* USDT2 */
dcubed@3202 5017 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY(
dcubed@3202 5018 args_);
dcubed@3202 5019 #endif /* USDT2 */
duke@435 5020 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_;
duke@435 5021 jint ret = JNI_ERR;
duke@435 5022 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret);
duke@435 5023
duke@435 5024 if (Threads::is_supported_jni_version(args->version)) {
duke@435 5025 ret = JNI_OK;
duke@435 5026 }
duke@435 5027 // 1.1 style no longer supported in hotspot.
duke@435 5028 // According the JNI spec, we should update args->version on return.
duke@435 5029 // We also use the structure to communicate with launcher about default
duke@435 5030 // stack size.
duke@435 5031 if (args->version == JNI_VERSION_1_1) {
duke@435 5032 args->version = JNI_VERSION_1_2;
duke@435 5033 // javaStackSize is int in arguments structure
duke@435 5034 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow");
duke@435 5035 args->javaStackSize = (jint)(ThreadStackSize * K);
duke@435 5036 }
duke@435 5037 return ret;
duke@435 5038 }
duke@435 5039
brutisso@2976 5040 #ifndef PRODUCT
brutisso@2976 5041
stefank@3335 5042 #include "gc_interface/collectedHeap.hpp"
brutisso@2976 5043 #include "utilities/quickSort.hpp"
mikael@4290 5044 #if INCLUDE_VM_STRUCTS
mikael@4290 5045 #include "runtime/vmStructs.hpp"
mikael@4290 5046 #endif
brutisso@2976 5047
stefank@3335 5048 #define run_unit_test(unit_test_function_call) \
stefank@3335 5049 tty->print_cr("Running test: " #unit_test_function_call); \
stefank@3335 5050 unit_test_function_call
stefank@3335 5051
brutisso@2976 5052 void execute_internal_vm_tests() {
brutisso@2976 5053 if (ExecuteInternalVMTests) {
stefank@3335 5054 tty->print_cr("Running internal VM tests");
stefank@3335 5055 run_unit_test(arrayOopDesc::test_max_array_length());
stefank@3335 5056 run_unit_test(CollectedHeap::test_is_in());
stefank@3335 5057 run_unit_test(QuickSort::test_quick_sort());
coleenp@3865 5058 run_unit_test(AltHashing::test_alt_hash());
mikael@4290 5059 #if INCLUDE_VM_STRUCTS
mikael@4290 5060 run_unit_test(VMStructs::test());
mikael@4290 5061 #endif
brutisso@3266 5062 tty->print_cr("All internal VM tests passed");
brutisso@2976 5063 }
brutisso@2976 5064 }
brutisso@2976 5065
stefank@3335 5066 #undef run_unit_test
stefank@3335 5067
brutisso@2976 5068 #endif
brutisso@2976 5069
dcubed@3202 5070 #ifndef USDT2
duke@435 5071 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args);
duke@435 5072 DT_RETURN_MARK_DECL(CreateJavaVM, jint);
dcubed@3202 5073 #else /* USDT2 */
dcubed@3202 5074 DT_RETURN_MARK_DECL(CreateJavaVM, jint
dcubed@3202 5075 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref));
dcubed@3202 5076 #endif /* USDT2 */
duke@435 5077
duke@435 5078 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) {
dcubed@3202 5079 #ifndef USDT2
duke@435 5080 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args);
dcubed@3202 5081 #else /* USDT2 */
dcubed@3202 5082 HOTSPOT_JNI_CREATEJAVAVM_ENTRY(
dcubed@3202 5083 (void **) vm, penv, args);
dcubed@3202 5084 #endif /* USDT2 */
duke@435 5085
duke@435 5086 jint result = JNI_ERR;
duke@435 5087 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result);
duke@435 5088
twisti@1513 5089 // We're about to use Atomic::xchg for synchronization. Some Zero
twisti@1513 5090 // platforms use the GCC builtin __sync_lock_test_and_set for this,
twisti@1513 5091 // but __sync_lock_test_and_set is not guaranteed to do what we want
twisti@1513 5092 // on all architectures. So we check it works before relying on it.
twisti@1513 5093 #if defined(ZERO) && defined(ASSERT)
twisti@1513 5094 {
twisti@1513 5095 jint a = 0xcafebabe;
twisti@1513 5096 jint b = Atomic::xchg(0xdeadbeef, &a);
twisti@1513 5097 void *c = &a;
twisti@1513 5098 void *d = Atomic::xchg_ptr(&b, &c);
twisti@1567 5099 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works");
twisti@1513 5100 assert(c == &b && d == &a, "Atomic::xchg_ptr() works");
twisti@1513 5101 }
twisti@1513 5102 #endif // ZERO && ASSERT
twisti@1513 5103
duke@435 5104 // At the moment it's only possible to have one Java VM,
duke@435 5105 // since some of the runtime state is in global variables.
duke@435 5106
duke@435 5107 // We cannot use our mutex locks here, since they only work on
duke@435 5108 // Threads. We do an atomic compare and exchange to ensure only
duke@435 5109 // one thread can call this method at a time
duke@435 5110
duke@435 5111 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms
duke@435 5112 // the add/dec implementations are dependent on whether we are running
duke@435 5113 // on a multiprocessor, and at this stage of initialization the os::is_MP
duke@435 5114 // function used to determine this will always return false. Atomic::xchg
duke@435 5115 // does not have this problem.
duke@435 5116 if (Atomic::xchg(1, &vm_created) == 1) {
duke@435 5117 return JNI_ERR; // already created, or create attempt in progress
duke@435 5118 }
duke@435 5119 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) {
duke@435 5120 return JNI_ERR; // someone tried and failed and retry not allowed.
duke@435 5121 }
duke@435 5122
duke@435 5123 assert(vm_created == 1, "vm_created is true during the creation");
duke@435 5124
duke@435 5125 /**
duke@435 5126 * Certain errors during initialization are recoverable and do not
duke@435 5127 * prevent this method from being called again at a later time
duke@435 5128 * (perhaps with different arguments). However, at a certain
duke@435 5129 * point during initialization if an error occurs we cannot allow
duke@435 5130 * this function to be called again (or it will crash). In those
duke@435 5131 * situations, the 'canTryAgain' flag is set to false, which atomically
duke@435 5132 * sets safe_to_recreate_vm to 1, such that any new call to
duke@435 5133 * JNI_CreateJavaVM will immediately fail using the above logic.
duke@435 5134 */
duke@435 5135 bool can_try_again = true;
duke@435 5136
duke@435 5137 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again);
duke@435 5138 if (result == JNI_OK) {
duke@435 5139 JavaThread *thread = JavaThread::current();
duke@435 5140 /* thread is thread_in_vm here */
duke@435 5141 *vm = (JavaVM *)(&main_vm);
duke@435 5142 *(JNIEnv**)penv = thread->jni_environment();
duke@435 5143
duke@435 5144 // Tracks the time application was running before GC
duke@435 5145 RuntimeService::record_application_start();
duke@435 5146
duke@435 5147 // Notify JVMTI
duke@435 5148 if (JvmtiExport::should_post_thread_life()) {
duke@435 5149 JvmtiExport::post_thread_start(thread);
duke@435 5150 }
phh@3427 5151
phh@3427 5152 EVENT_BEGIN(TraceEventThreadStart, event);
phh@3427 5153 EVENT_COMMIT(event,
phh@3427 5154 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj())));
phh@3427 5155
duke@435 5156 // Check if we should compile all classes on bootclasspath
duke@435 5157 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();)
minqi@4267 5158 NOT_PRODUCT(if (ReplayCompiles) ciReplay::replay(thread);)
duke@435 5159 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving.
duke@435 5160 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
duke@435 5161 } else {
duke@435 5162 if (can_try_again) {
duke@435 5163 // reset safe_to_recreate_vm to 1 so that retrial would be possible
duke@435 5164 safe_to_recreate_vm = 1;
duke@435 5165 }
duke@435 5166
duke@435 5167 // Creation failed. We must reset vm_created
duke@435 5168 *vm = 0;
duke@435 5169 *(JNIEnv**)penv = 0;
duke@435 5170 // reset vm_created last to avoid race condition. Use OrderAccess to
duke@435 5171 // control both compiler and architectural-based reordering.
duke@435 5172 OrderAccess::release_store(&vm_created, 0);
duke@435 5173 }
duke@435 5174
jcoomes@1845 5175 NOT_PRODUCT(test_error_handler(ErrorHandlerTest));
brutisso@2976 5176 NOT_PRODUCT(execute_internal_vm_tests());
duke@435 5177 return result;
duke@435 5178 }
duke@435 5179
dcubed@3202 5180 #ifndef USDT2
duke@435 5181 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \
duke@435 5182 JavaVM**, jsize, jsize*);
duke@435 5183 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint);
dcubed@3202 5184 #endif /* !USDT2 */
duke@435 5185
duke@435 5186 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) {
duke@435 5187 // See bug 4367188, the wrapper can sometimes cause VM crashes
duke@435 5188 // JNIWrapper("GetCreatedJavaVMs");
dcubed@3202 5189 #ifndef USDT2
duke@435 5190 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \
duke@435 5191 vm_buf, bufLen, numVMs);
dcubed@3202 5192 #else /* USDT2 */
dcubed@3202 5193 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY(
dcubed@3202 5194 (void **) vm_buf, bufLen, (uintptr_t *) numVMs);
dcubed@3202 5195 #endif /* USDT2 */
duke@435 5196 if (vm_created) {
duke@435 5197 if (numVMs != NULL) *numVMs = 1;
duke@435 5198 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm);
duke@435 5199 } else {
duke@435 5200 if (numVMs != NULL) *numVMs = 0;
duke@435 5201 }
dcubed@3202 5202 #ifndef USDT2
duke@435 5203 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK);
dcubed@3202 5204 #else /* USDT2 */
dcubed@3202 5205 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN(
dcubed@3202 5206 JNI_OK);
dcubed@3202 5207 #endif /* USDT2 */
duke@435 5208 return JNI_OK;
duke@435 5209 }
duke@435 5210
duke@435 5211 extern "C" {
duke@435 5212
dcubed@3202 5213 #ifndef USDT2
duke@435 5214 DT_RETURN_MARK_DECL(DestroyJavaVM, jint);
dcubed@3202 5215 #else /* USDT2 */
dcubed@3202 5216 DT_RETURN_MARK_DECL(DestroyJavaVM, jint
dcubed@3202 5217 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref));
dcubed@3202 5218 #endif /* USDT2 */
duke@435 5219
duke@435 5220 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) {
dcubed@3202 5221 #ifndef USDT2
duke@435 5222 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm);
dcubed@3202 5223 #else /* USDT2 */
dcubed@3202 5224 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY(
dcubed@3202 5225 vm);
dcubed@3202 5226 #endif /* USDT2 */
duke@435 5227 jint res = JNI_ERR;
duke@435 5228 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res);
duke@435 5229
duke@435 5230 if (!vm_created) {
duke@435 5231 res = JNI_ERR;
duke@435 5232 return res;
duke@435 5233 }
duke@435 5234
duke@435 5235 JNIWrapper("DestroyJavaVM");
duke@435 5236 JNIEnv *env;
duke@435 5237 JavaVMAttachArgs destroyargs;
duke@435 5238 destroyargs.version = CurrentVersion;
duke@435 5239 destroyargs.name = (char *)"DestroyJavaVM";
duke@435 5240 destroyargs.group = NULL;
duke@435 5241 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs);
duke@435 5242 if (res != JNI_OK) {
duke@435 5243 return res;
duke@435 5244 }
duke@435 5245
duke@435 5246 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering.
duke@435 5247 JavaThread* thread = JavaThread::current();
duke@435 5248 ThreadStateTransition::transition_from_native(thread, _thread_in_vm);
duke@435 5249 if (Threads::destroy_vm()) {
duke@435 5250 // Should not change thread state, VM is gone
duke@435 5251 vm_created = false;
duke@435 5252 res = JNI_OK;
duke@435 5253 return res;
duke@435 5254 } else {
duke@435 5255 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
duke@435 5256 res = JNI_ERR;
duke@435 5257 return res;
duke@435 5258 }
duke@435 5259 }
duke@435 5260
duke@435 5261
duke@435 5262 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) {
duke@435 5263 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args;
duke@435 5264
duke@435 5265 // Check below commented out from JDK1.2fcs as well
duke@435 5266 /*
duke@435 5267 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) {
duke@435 5268 return JNI_EVERSION;
duke@435 5269 }
duke@435 5270 */
duke@435 5271
duke@435 5272 Thread* t = ThreadLocalStorage::get_thread_slow();
duke@435 5273 if (t != NULL) {
duke@435 5274 // If the thread has been attached this operation is a no-op
duke@435 5275 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment();
duke@435 5276 return JNI_OK;
duke@435 5277 }
duke@435 5278
duke@435 5279 // Create a thread and mark it as attaching so it will be skipped by the
duke@435 5280 // ThreadsListEnumerator - see CR 6404306
duke@435 5281 JavaThread* thread = new JavaThread(true);
duke@435 5282
duke@435 5283 // Set correct safepoint info. The thread is going to call into Java when
duke@435 5284 // initializing the Java level thread object. Hence, the correct state must
duke@435 5285 // be set in order for the Safepoint code to deal with it correctly.
duke@435 5286 thread->set_thread_state(_thread_in_vm);
duke@435 5287 // Must do this before initialize_thread_local_storage
duke@435 5288 thread->record_stack_base_and_size();
coleenp@1725 5289
duke@435 5290 thread->initialize_thread_local_storage();
duke@435 5291
duke@435 5292 if (!os::create_attached_thread(thread)) {
duke@435 5293 delete thread;
duke@435 5294 return JNI_ERR;
duke@435 5295 }
coleenp@1725 5296 // Enable stack overflow checks
coleenp@1725 5297 thread->create_stack_guard_pages();
coleenp@1725 5298
duke@435 5299 thread->initialize_tlab();
duke@435 5300
bobv@2036 5301 thread->cache_global_variables();
bobv@2036 5302
duke@435 5303 // Crucial that we do not have a safepoint check for this thread, since it has
duke@435 5304 // not been added to the Thread list yet.
duke@435 5305 { Threads_lock->lock_without_safepoint_check();
duke@435 5306 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to
duke@435 5307 // avoid this thread trying to do a GC before it is added to the thread-list
duke@435 5308 thread->set_active_handles(JNIHandleBlock::allocate_block());
duke@435 5309 Threads::add(thread, daemon);
duke@435 5310 Threads_lock->unlock();
duke@435 5311 }
duke@435 5312 // Create thread group and name info from attach arguments
duke@435 5313 oop group = NULL;
duke@435 5314 char* thread_name = NULL;
duke@435 5315 if (args != NULL && Threads::is_supported_jni_version(args->version)) {
duke@435 5316 group = JNIHandles::resolve(args->group);
duke@435 5317 thread_name = args->name; // may be NULL
duke@435 5318 }
duke@435 5319 if (group == NULL) group = Universe::main_thread_group();
duke@435 5320
duke@435 5321 // Create Java level thread object and attach it to this thread
duke@435 5322 bool attach_failed = false;
duke@435 5323 {
duke@435 5324 EXCEPTION_MARK;
duke@435 5325 HandleMark hm(THREAD);
duke@435 5326 Handle thread_group(THREAD, group);
duke@435 5327 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD);
duke@435 5328 if (HAS_PENDING_EXCEPTION) {
duke@435 5329 CLEAR_PENDING_EXCEPTION;
duke@435 5330 // cleanup outside the handle mark.
duke@435 5331 attach_failed = true;
duke@435 5332 }
duke@435 5333 }
duke@435 5334
duke@435 5335 if (attach_failed) {
duke@435 5336 // Added missing cleanup
duke@435 5337 thread->cleanup_failed_attach_current_thread();
duke@435 5338 return JNI_ERR;
duke@435 5339 }
duke@435 5340
duke@435 5341 // mark the thread as no longer attaching
duke@435 5342 // this uses a fence to push the change through so we don't have
duke@435 5343 // to regrab the threads_lock
dcubed@3202 5344 thread->set_done_attaching_via_jni();
duke@435 5345
duke@435 5346 // Set java thread status.
duke@435 5347 java_lang_Thread::set_thread_status(thread->threadObj(),
duke@435 5348 java_lang_Thread::RUNNABLE);
duke@435 5349
duke@435 5350 // Notify the debugger
duke@435 5351 if (JvmtiExport::should_post_thread_life()) {
duke@435 5352 JvmtiExport::post_thread_start(thread);
duke@435 5353 }
duke@435 5354
phh@3427 5355 EVENT_BEGIN(TraceEventThreadStart, event);
phh@3427 5356 EVENT_COMMIT(event,
phh@3427 5357 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj())));
phh@3427 5358
duke@435 5359 *(JNIEnv**)penv = thread->jni_environment();
duke@435 5360
duke@435 5361 // Now leaving the VM, so change thread_state. This is normally automatically taken care
duke@435 5362 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by
duke@435 5363 // using ThreadStateTransition::transition, we do a callback to the safepoint code if
duke@435 5364 // needed.
duke@435 5365
duke@435 5366 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
duke@435 5367
duke@435 5368 // Perform any platform dependent FPU setup
duke@435 5369 os::setup_fpu();
duke@435 5370
duke@435 5371 return JNI_OK;
duke@435 5372 }
duke@435 5373
duke@435 5374
duke@435 5375 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) {
dcubed@3202 5376 #ifndef USDT2
duke@435 5377 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args);
dcubed@3202 5378 #else /* USDT2 */
dcubed@3202 5379 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY(
dcubed@3202 5380 vm, penv, _args);
dcubed@3202 5381 #endif /* USDT2 */
duke@435 5382 if (!vm_created) {
dcubed@3202 5383 #ifndef USDT2
duke@435 5384 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR);
dcubed@3202 5385 #else /* USDT2 */
dcubed@3202 5386 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(
dcubed@3202 5387 (uint32_t) JNI_ERR);
dcubed@3202 5388 #endif /* USDT2 */
duke@435 5389 return JNI_ERR;
duke@435 5390 }
duke@435 5391
duke@435 5392 JNIWrapper("AttachCurrentThread");
duke@435 5393 jint ret = attach_current_thread(vm, penv, _args, false);
dcubed@3202 5394 #ifndef USDT2
duke@435 5395 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret);
dcubed@3202 5396 #else /* USDT2 */
dcubed@3202 5397 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(
dcubed@3202 5398 ret);
dcubed@3202 5399 #endif /* USDT2 */
duke@435 5400 return ret;
duke@435 5401 }
duke@435 5402
duke@435 5403
duke@435 5404 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) {
dcubed@3202 5405 #ifndef USDT2
duke@435 5406 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm);
dcubed@3202 5407 #else /* USDT2 */
dcubed@3202 5408 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY(
dcubed@3202 5409 vm);
dcubed@3202 5410 #endif /* USDT2 */
duke@435 5411 VM_Exit::block_if_vm_exited();
duke@435 5412
duke@435 5413 JNIWrapper("DetachCurrentThread");
duke@435 5414
duke@435 5415 // If the thread has been deattacted the operations is a no-op
duke@435 5416 if (ThreadLocalStorage::thread() == NULL) {
dcubed@3202 5417 #ifndef USDT2
duke@435 5418 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK);
dcubed@3202 5419 #else /* USDT2 */
dcubed@3202 5420 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
dcubed@3202 5421 JNI_OK);
dcubed@3202 5422 #endif /* USDT2 */
duke@435 5423 return JNI_OK;
duke@435 5424 }
duke@435 5425
duke@435 5426 JavaThread* thread = JavaThread::current();
duke@435 5427 if (thread->has_last_Java_frame()) {
dcubed@3202 5428 #ifndef USDT2
duke@435 5429 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR);
dcubed@3202 5430 #else /* USDT2 */
dcubed@3202 5431 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
dcubed@3202 5432 (uint32_t) JNI_ERR);
dcubed@3202 5433 #endif /* USDT2 */
duke@435 5434 // Can't detach a thread that's running java, that can't work.
duke@435 5435 return JNI_ERR;
duke@435 5436 }
duke@435 5437
duke@435 5438 // Safepoint support. Have to do call-back to safepoint code, if in the
duke@435 5439 // middel of a safepoint operation
duke@435 5440 ThreadStateTransition::transition_from_native(thread, _thread_in_vm);
duke@435 5441
duke@435 5442 // XXX: Note that JavaThread::exit() call below removes the guards on the
duke@435 5443 // stack pages set up via enable_stack_{red,yellow}_zone() calls
duke@435 5444 // above in jni_AttachCurrentThread. Unfortunately, while the setting
duke@435 5445 // of the guards is visible in jni_AttachCurrentThread above,
duke@435 5446 // the removal of the guards is buried below in JavaThread::exit()
duke@435 5447 // here. The abstraction should be more symmetrically either exposed
duke@435 5448 // or hidden (e.g. it could probably be hidden in the same
duke@435 5449 // (platform-dependent) methods where we do alternate stack
duke@435 5450 // maintenance work?)
duke@435 5451 thread->exit(false, JavaThread::jni_detach);
duke@435 5452 delete thread;
duke@435 5453
dcubed@3202 5454 #ifndef USDT2
duke@435 5455 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK);
dcubed@3202 5456 #else /* USDT2 */
dcubed@3202 5457 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
dcubed@3202 5458 JNI_OK);
dcubed@3202 5459 #endif /* USDT2 */
duke@435 5460 return JNI_OK;
duke@435 5461 }
duke@435 5462
dcubed@3202 5463 #ifndef USDT2
duke@435 5464 DT_RETURN_MARK_DECL(GetEnv, jint);
dcubed@3202 5465 #else /* USDT2 */
dcubed@3202 5466 DT_RETURN_MARK_DECL(GetEnv, jint
dcubed@3202 5467 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref));
dcubed@3202 5468 #endif /* USDT2 */
duke@435 5469
duke@435 5470 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) {
dcubed@3202 5471 #ifndef USDT2
duke@435 5472 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version);
dcubed@3202 5473 #else /* USDT2 */
dcubed@3202 5474 HOTSPOT_JNI_GETENV_ENTRY(
dcubed@3202 5475 vm, penv, version);
dcubed@3202 5476 #endif /* USDT2 */
duke@435 5477 jint ret = JNI_ERR;
duke@435 5478 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret);
duke@435 5479
duke@435 5480 if (!vm_created) {
duke@435 5481 *penv = NULL;
duke@435 5482 ret = JNI_EDETACHED;
duke@435 5483 return ret;
duke@435 5484 }
duke@435 5485
phh@3427 5486 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) {
duke@435 5487 return ret;
duke@435 5488 }
duke@435 5489
duke@435 5490 #ifndef JVMPI_VERSION_1
duke@435 5491 // need these in order to be polite about older agents
duke@435 5492 #define JVMPI_VERSION_1 ((jint)0x10000001)
duke@435 5493 #define JVMPI_VERSION_1_1 ((jint)0x10000002)
duke@435 5494 #define JVMPI_VERSION_1_2 ((jint)0x10000003)
duke@435 5495 #endif // !JVMPI_VERSION_1
duke@435 5496
duke@435 5497 Thread* thread = ThreadLocalStorage::thread();
duke@435 5498 if (thread != NULL && thread->is_Java_thread()) {
duke@435 5499 if (Threads::is_supported_jni_version_including_1_1(version)) {
duke@435 5500 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment();
duke@435 5501 ret = JNI_OK;
duke@435 5502 return ret;
duke@435 5503
duke@435 5504 } else if (version == JVMPI_VERSION_1 ||
duke@435 5505 version == JVMPI_VERSION_1_1 ||
duke@435 5506 version == JVMPI_VERSION_1_2) {
duke@435 5507 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported.");
duke@435 5508 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI).");
duke@435 5509 ret = JNI_EVERSION;
duke@435 5510 return ret;
duke@435 5511 } else if (JvmtiExport::is_jvmdi_version(version)) {
duke@435 5512 tty->print_cr("FATAL ERROR: JVMDI is no longer supported.");
duke@435 5513 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI).");
duke@435 5514 ret = JNI_EVERSION;
duke@435 5515 return ret;
duke@435 5516 } else {
duke@435 5517 *penv = NULL;
duke@435 5518 ret = JNI_EVERSION;
duke@435 5519 return ret;
duke@435 5520 }
duke@435 5521 } else {
duke@435 5522 *penv = NULL;
duke@435 5523 ret = JNI_EDETACHED;
duke@435 5524 return ret;
duke@435 5525 }
duke@435 5526 }
duke@435 5527
duke@435 5528
duke@435 5529 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) {
dcubed@3202 5530 #ifndef USDT2
duke@435 5531 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args);
dcubed@3202 5532 #else /* USDT2 */
dcubed@3202 5533 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY(
dcubed@3202 5534 vm, penv, _args);
dcubed@3202 5535 #endif /* USDT2 */
duke@435 5536 if (!vm_created) {
dcubed@3202 5537 #ifndef USDT2
duke@435 5538 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR);
dcubed@3202 5539 #else /* USDT2 */
dcubed@3202 5540 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(
dcubed@3202 5541 (uint32_t) JNI_ERR);
dcubed@3202 5542 #endif /* USDT2 */
duke@435 5543 return JNI_ERR;
duke@435 5544 }
duke@435 5545
duke@435 5546 JNIWrapper("AttachCurrentThreadAsDaemon");
duke@435 5547 jint ret = attach_current_thread(vm, penv, _args, true);
dcubed@3202 5548 #ifndef USDT2
duke@435 5549 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret);
dcubed@3202 5550 #else /* USDT2 */
dcubed@3202 5551 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(
dcubed@3202 5552 ret);
dcubed@3202 5553 #endif /* USDT2 */
duke@435 5554 return ret;
duke@435 5555 }
duke@435 5556
duke@435 5557
duke@435 5558 } // End extern "C"
duke@435 5559
duke@435 5560 const struct JNIInvokeInterface_ jni_InvokeInterface = {
duke@435 5561 NULL,
duke@435 5562 NULL,
duke@435 5563 NULL,
duke@435 5564
duke@435 5565 jni_DestroyJavaVM,
duke@435 5566 jni_AttachCurrentThread,
duke@435 5567 jni_DetachCurrentThread,
duke@435 5568 jni_GetEnv,
duke@435 5569 jni_AttachCurrentThreadAsDaemon
duke@435 5570 };

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