Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 6125:dcfcdd01af4b
7171703: JNI DefineClass crashes client VM when first parameter is NULL
Reviewed-by: acorn, kamg, sspitsyn, dholmes
| author | fparain |
|---|---|
| date | Tue, 05 Jun 2012 06:48:00 -0700 |
| parents | 94ec88ca68e2 |
| children | e9140bf80b4a |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
6125
dcfcdd01af4b
7171703: JNI DefineClass crashes client VM when first parameter is NULL
fparain
parents:
4800
diff
changeset
|
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1490
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1490
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1490
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/classLoader.hpp" | |
| 27 #include "classfile/javaClasses.hpp" | |
| 28 #include "classfile/symbolTable.hpp" | |
| 29 #include "classfile/systemDictionary.hpp" | |
| 30 #include "classfile/vmSymbols.hpp" | |
| 31 #include "interpreter/linkResolver.hpp" | |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
32 #ifndef SERIALGC |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
33 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
34 #endif // SERIALGC |
| 1972 | 35 #include "memory/allocation.inline.hpp" |
| 36 #include "memory/gcLocker.inline.hpp" | |
| 37 #include "memory/oopFactory.hpp" | |
| 38 #include "memory/universe.inline.hpp" | |
| 39 #include "oops/instanceKlass.hpp" | |
| 40 #include "oops/instanceOop.hpp" | |
| 41 #include "oops/markOop.hpp" | |
| 42 #include "oops/methodOop.hpp" | |
| 43 #include "oops/objArrayKlass.hpp" | |
| 44 #include "oops/objArrayOop.hpp" | |
| 45 #include "oops/oop.inline.hpp" | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
46 #include "oops/symbol.hpp" |
| 1972 | 47 #include "oops/typeArrayKlass.hpp" |
| 48 #include "oops/typeArrayOop.hpp" | |
| 49 #include "prims/jni.h" | |
| 50 #include "prims/jniCheck.hpp" | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
51 #include "prims/jniExport.hpp" |
| 1972 | 52 #include "prims/jniFastGetField.hpp" |
| 53 #include "prims/jvm.h" | |
| 54 #include "prims/jvm_misc.hpp" | |
| 55 #include "prims/jvmtiExport.hpp" | |
| 56 #include "prims/jvmtiThreadState.hpp" | |
| 57 #include "runtime/compilationPolicy.hpp" | |
| 58 #include "runtime/fieldDescriptor.hpp" | |
| 59 #include "runtime/fprofiler.hpp" | |
| 60 #include "runtime/handles.inline.hpp" | |
| 61 #include "runtime/interfaceSupport.hpp" | |
| 62 #include "runtime/java.hpp" | |
| 63 #include "runtime/javaCalls.hpp" | |
| 64 #include "runtime/jfieldIDWorkaround.hpp" | |
| 65 #include "runtime/reflection.hpp" | |
| 66 #include "runtime/sharedRuntime.hpp" | |
| 67 #include "runtime/signature.hpp" | |
| 68 #include "runtime/vm_operations.hpp" | |
| 69 #include "services/runtimeService.hpp" | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
70 #include "trace/tracing.hpp" |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
71 #include "trace/traceEventTypes.hpp" |
| 1972 | 72 #include "utilities/defaultStream.hpp" |
| 73 #include "utilities/dtrace.hpp" | |
| 74 #include "utilities/events.hpp" | |
| 75 #include "utilities/histogram.hpp" | |
| 76 #ifdef TARGET_OS_FAMILY_linux | |
| 77 # include "os_linux.inline.hpp" | |
| 78 # include "thread_linux.inline.hpp" | |
| 79 #endif | |
| 80 #ifdef TARGET_OS_FAMILY_solaris | |
| 81 # include "os_solaris.inline.hpp" | |
| 82 # include "thread_solaris.inline.hpp" | |
| 83 #endif | |
| 84 #ifdef TARGET_OS_FAMILY_windows | |
| 85 # include "os_windows.inline.hpp" | |
| 86 # include "thread_windows.inline.hpp" | |
| 87 #endif | |
| 3960 | 88 #ifdef TARGET_OS_FAMILY_bsd |
| 89 # include "os_bsd.inline.hpp" | |
| 90 # include "thread_bsd.inline.hpp" | |
| 91 #endif | |
| 0 | 92 |
| 93 static jint CurrentVersion = JNI_VERSION_1_6; | |
| 94 | |
| 95 | |
| 96 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 97 // '-return' probe regardless of the return path is taken out of the function. | |
| 98 // Methods that have multiple return paths use this to avoid having to | |
| 99 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 100 // since those macros can cause an immedate uninstrumented return. | |
| 101 // | |
| 102 // In order to get the return value, a reference to the variable containing | |
| 103 // the return value must be passed to the contructor of the object, and | |
| 104 // the return value must be set before return (since the mark object has | |
| 105 // a reference to it). | |
| 106 // | |
| 107 // Example: | |
| 108 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 109 // JNI_ENTRY(int, SomeFunc, ...) | |
| 110 // int return_value = 0; | |
| 111 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 112 // foo(CHECK_0) | |
| 113 // return_value = 5; | |
| 114 // return return_value; | |
| 115 // JNI_END | |
| 4006 | 116 #ifndef USDT2 |
| 0 | 117 #define DT_RETURN_MARK_DECL(name, type) \ |
| 118 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 119 DTRACE_ONLY( \ | |
| 120 class DTraceReturnProbeMark_##name { \ | |
| 121 public: \ | |
| 122 const type& _ret_ref; \ | |
| 123 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 124 ~DTraceReturnProbeMark_##name() { \ | |
| 125 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 126 } \ | |
| 127 } \ | |
| 128 ) | |
| 129 // Void functions are simpler since there's no return value | |
| 130 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 131 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 132 DTRACE_ONLY( \ | |
| 133 class DTraceReturnProbeMark_##name { \ | |
| 134 public: \ | |
| 135 ~DTraceReturnProbeMark_##name() { \ | |
| 136 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 137 } \ | |
| 138 } \ | |
| 139 ) | |
| 140 | |
| 4006 | 141 #else /* USDT2 */ |
| 142 | |
| 143 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 144 DTRACE_ONLY( \ | |
| 145 class DTraceReturnProbeMark_##name { \ | |
| 146 public: \ | |
| 147 const type& _ret_ref; \ | |
| 148 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 149 ~DTraceReturnProbeMark_##name() { \ | |
| 150 probe; \ | |
| 151 } \ | |
| 152 } \ | |
| 153 ) | |
| 154 // Void functions are simpler since there's no return value | |
| 155 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 156 DTRACE_ONLY( \ | |
| 157 class DTraceReturnProbeMark_##name { \ | |
| 158 public: \ | |
| 159 ~DTraceReturnProbeMark_##name() { \ | |
| 160 probe; \ | |
| 161 } \ | |
| 162 } \ | |
| 163 ) | |
| 164 #endif /* USDT2 */ | |
| 0 | 165 |
| 166 // Place these macros in the function to mark the return. Non-void | |
| 167 // functions need the type and address of the return value. | |
| 168 #define DT_RETURN_MARK(name, type, ref) \ | |
| 169 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 170 #define DT_VOID_RETURN_MARK(name) \ | |
| 171 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 172 | |
| 173 | |
| 174 // Use these to select distinct code for floating-point vs. non-floating point | |
| 175 // situations. Used from within common macros where we need slightly | |
| 176 // different behavior for Float/Double | |
| 177 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 178 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 179 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 180 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 181 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 182 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 183 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 184 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 185 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 186 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 187 FP_SELECT_##TypeName(intcode, fpcode) | |
| 188 | |
| 189 #define COMMA , | |
| 190 | |
| 191 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 192 // (dtrace doesn't do FP yet) | |
| 4006 | 193 #ifndef USDT2 |
| 0 | 194 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 195 FP_SELECT(TypeName, \ | |
| 196 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 197 #else /* USDT2 */ |
| 198 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 199 FP_SELECT(TypeName, \ | |
| 200 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 201 #endif /* USDT2 */ | |
| 0 | 202 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 203 FP_SELECT(TypeName, \ | |
| 204 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 205 | |
| 206 | |
| 207 // out-of-line helpers for class jfieldIDWorkaround: | |
| 208 | |
| 209 bool jfieldIDWorkaround::is_valid_jfieldID(klassOop k, jfieldID id) { | |
| 210 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { | |
| 211 uintptr_t as_uint = (uintptr_t) id; | |
| 212 intptr_t offset = raw_instance_offset(id); | |
| 213 if (is_checked_jfieldID(id)) { | |
| 214 if (!klass_hash_ok(k, id)) { | |
| 215 return false; | |
| 216 } | |
| 217 } | |
| 218 return instanceKlass::cast(k)->contains_field_offset(offset); | |
| 219 } else { | |
| 220 JNIid* result = (JNIid*) id; | |
| 221 #ifdef ASSERT | |
| 222 return result != NULL && result->is_static_field_id(); | |
| 223 #else | |
| 224 return result != NULL; | |
| 225 #endif | |
| 226 } | |
| 227 } | |
| 228 | |
| 229 | |
| 230 intptr_t jfieldIDWorkaround::encode_klass_hash(klassOop k, intptr_t offset) { | |
| 231 if (offset <= small_offset_mask) { | |
| 232 klassOop field_klass = k; | |
| 233 klassOop super_klass = Klass::cast(field_klass)->super(); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
234 // With compressed oops the most super class with nonstatic fields would |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
235 // be the owner of fields embedded in the header. |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
236 while (instanceKlass::cast(super_klass)->has_nonstatic_fields() && |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
237 instanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 238 field_klass = super_klass; // super contains the field also |
| 239 super_klass = Klass::cast(field_klass)->super(); | |
| 240 } | |
| 241 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 242 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 243 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 244 } else { | |
| 245 #if 0 | |
| 246 #ifndef PRODUCT | |
| 247 { | |
| 248 ResourceMark rm; | |
| 249 warning("VerifyJNIFields: long offset %d in %s", offset, Klass::cast(k)->external_name()); | |
| 250 } | |
| 251 #endif | |
| 252 #endif | |
| 253 return 0; | |
| 254 } | |
| 255 } | |
| 256 | |
| 257 bool jfieldIDWorkaround::klass_hash_ok(klassOop k, jfieldID id) { | |
| 258 uintptr_t as_uint = (uintptr_t) id; | |
| 259 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 260 do { | |
| 261 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 262 // Could use a non-blocking query for identity_hash here... | |
| 263 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 264 return true; | |
| 265 k = Klass::cast(k)->super(); | |
| 266 } while (k != NULL); | |
| 267 return false; | |
| 268 } | |
| 269 | |
| 270 void jfieldIDWorkaround::verify_instance_jfieldID(klassOop k, jfieldID id) { | |
| 271 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); | |
| 272 uintptr_t as_uint = (uintptr_t) id; | |
| 273 intptr_t offset = raw_instance_offset(id); | |
| 274 if (VerifyJNIFields) { | |
| 275 if (is_checked_jfieldID(id)) { | |
| 276 guarantee(klass_hash_ok(k, id), | |
| 277 "Bug in native code: jfieldID class must match object"); | |
| 278 } else { | |
| 279 #if 0 | |
| 280 #ifndef PRODUCT | |
| 281 if (Verbose) { | |
| 282 ResourceMark rm; | |
| 283 warning("VerifyJNIFields: unverified offset %d for %s", offset, Klass::cast(k)->external_name()); | |
| 284 } | |
| 285 #endif | |
| 286 #endif | |
| 287 } | |
| 288 } | |
| 289 guarantee(instanceKlass::cast(k)->contains_field_offset(offset), | |
| 290 "Bug in native code: jfieldID offset must address interior of object"); | |
| 291 } | |
| 292 | |
| 293 // Pick a reasonable higher bound for local capacity requested | |
| 294 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 295 // high because a test (or very unusual application) may try to allocate | |
| 296 // that many handles and run out of swap space. An implementation is | |
| 297 // permitted to allocate more handles than the ensured capacity, so this | |
| 298 // value is set high enough to prevent compatibility problems. | |
| 299 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 300 | |
| 301 | |
| 302 // Wrapper to trace JNI functions | |
| 303 | |
| 304 #ifdef ASSERT | |
| 305 Histogram* JNIHistogram; | |
| 306 static volatile jint JNIHistogram_lock = 0; | |
| 307 | |
| 308 class JNITraceWrapper : public StackObj { | |
| 309 public: | |
| 310 JNITraceWrapper(const char* format, ...) { | |
| 311 if (TraceJNICalls) { | |
| 312 va_list ap; | |
| 313 va_start(ap, format); | |
| 314 tty->print("JNI "); | |
| 315 tty->vprint_cr(format, ap); | |
| 316 va_end(ap); | |
| 317 } | |
| 318 } | |
| 319 }; | |
| 320 | |
| 321 class JNIHistogramElement : public HistogramElement { | |
| 322 public: | |
| 323 JNIHistogramElement(const char* name); | |
| 324 }; | |
| 325 | |
| 326 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 327 _name = elementName; | |
| 328 uintx count = 0; | |
| 329 | |
| 330 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 331 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 332 count +=1; | |
| 333 if ( (WarnOnStalledSpinLock > 0) | |
| 334 && (count % WarnOnStalledSpinLock == 0)) { | |
| 335 warning("JNIHistogram_lock seems to be stalled"); | |
| 336 } | |
| 337 } | |
| 338 } | |
| 339 | |
| 340 | |
| 341 if(JNIHistogram == NULL) | |
| 342 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 343 | |
| 344 JNIHistogram->add_element(this); | |
| 345 Atomic::dec(&JNIHistogram_lock); | |
| 346 } | |
| 347 | |
| 348 #define JNICountWrapper(arg) \ | |
| 349 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 350 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 351 if (e != NULL) e->increment_count() | |
| 352 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 353 #else | |
| 354 #define JNIWrapper(arg) | |
| 355 #endif | |
| 356 | |
| 357 | |
| 358 // Implementation of JNI entries | |
| 359 | |
| 4006 | 360 #ifndef USDT2 |
| 0 | 361 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 362 #else /* USDT2 */ |
| 363 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 364 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 365 #endif /* USDT2 */ | |
| 0 | 366 |
| 367 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 368 const jbyte *buf, jsize bufLen)) | |
| 369 JNIWrapper("DefineClass"); | |
| 370 | |
| 4006 | 371 #ifndef USDT2 |
| 0 | 372 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 373 env, name, loaderRef, buf, bufLen); | |
| 4006 | 374 #else /* USDT2 */ |
| 375 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 376 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 377 #endif /* USDT2 */ | |
| 0 | 378 jclass cls = NULL; |
| 379 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 380 | |
|
6125
dcfcdd01af4b
7171703: JNI DefineClass crashes client VM when first parameter is NULL
fparain
parents:
4800
diff
changeset
|
381 TempNewSymbol class_name = NULL; |
| 0 | 382 // Since exceptions can be thrown, class initialization can take place |
| 383 // if name is NULL no check for class name in .class stream has to be made. | |
| 384 if (name != NULL) { | |
| 385 const int str_len = (int)strlen(name); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
386 if (str_len > Symbol::max_length()) { |
| 0 | 387 // It's impossible to create this class; the name cannot fit |
| 388 // into the constant pool. | |
| 389 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 390 } | |
|
6125
dcfcdd01af4b
7171703: JNI DefineClass crashes client VM when first parameter is NULL
fparain
parents:
4800
diff
changeset
|
391 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 392 } |
| 393 ResourceMark rm(THREAD); | |
| 394 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 395 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 396 | |
| 397 if (UsePerfData && !class_loader.is_null()) { | |
| 398 // check whether the current caller thread holds the lock or not. | |
| 399 // If not, increment the corresponding counter | |
| 400 if (ObjectSynchronizer:: | |
| 401 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 402 ObjectSynchronizer::owner_self) { | |
| 403 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 404 } | |
| 405 } | |
| 406 klassOop k = SystemDictionary::resolve_from_stream(class_name, class_loader, | |
|
973
ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
657
diff
changeset
|
407 Handle(), &st, true, |
|
ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
657
diff
changeset
|
408 CHECK_NULL); |
| 0 | 409 |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
410 if (TraceClassResolution && k != NULL) { |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
411 trace_class_resolution(k); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
412 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
413 |
| 0 | 414 cls = (jclass)JNIHandles::make_local( |
| 415 env, Klass::cast(k)->java_mirror()); | |
| 416 return cls; | |
| 417 JNI_END | |
| 418 | |
| 419 | |
| 420 | |
| 421 static bool first_time_FindClass = true; | |
| 422 | |
| 4006 | 423 #ifndef USDT2 |
| 0 | 424 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 425 #else /* USDT2 */ |
| 426 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 427 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 428 #endif /* USDT2 */ | |
| 0 | 429 |
| 430 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 431 JNIWrapper("FindClass"); | |
| 4006 | 432 #ifndef USDT2 |
| 0 | 433 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 434 #else /* USDT2 */ |
| 435 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 436 env, (char *)name); | |
| 437 #endif /* USDT2 */ | |
| 0 | 438 |
| 439 jclass result = NULL; | |
| 440 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 441 | |
| 442 // Remember if we are the first invocation of jni_FindClass | |
| 443 bool first_time = first_time_FindClass; | |
| 444 first_time_FindClass = false; | |
| 445 | |
| 446 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 447 // name we can fit in the constant pool. | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
448 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 449 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 450 } | |
| 451 | |
| 452 //%note jni_3 | |
| 453 Handle loader; | |
| 454 Handle protection_domain; | |
| 455 // Find calling class | |
| 456 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 457 if (k.not_null()) { | |
| 458 loader = Handle(THREAD, k->class_loader()); | |
| 459 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 460 // in the correct class context. | |
| 461 if (loader.is_null() && | |
| 462 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 463 JavaValue result(T_OBJECT); | |
| 464 JavaCalls::call_static(&result, k, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
465 vmSymbols::getFromClass_name(), |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
466 vmSymbols::void_class_signature(), |
| 0 | 467 thread); |
| 468 if (HAS_PENDING_EXCEPTION) { | |
| 469 Handle ex(thread, thread->pending_exception()); | |
| 470 CLEAR_PENDING_EXCEPTION; | |
| 471 THROW_HANDLE_0(ex); | |
| 472 } | |
| 473 oop mirror = (oop) result.get_jobject(); | |
| 474 loader = Handle(THREAD, | |
| 475 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->class_loader()); | |
| 476 protection_domain = Handle(THREAD, | |
| 477 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->protection_domain()); | |
| 478 } | |
| 479 } else { | |
| 480 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 481 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 482 } | |
| 483 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
484 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 485 result = find_class_from_class_loader(env, sym, true, loader, |
| 486 protection_domain, true, thread); | |
| 487 | |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
488 if (TraceClassResolution && result != NULL) { |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
489 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
490 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
491 |
| 0 | 492 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 493 // rather than just allowing invocation counter to overflow and decay. | |
| 494 // Controlled by flag DelayCompilationDuringStartup. | |
| 495 if (first_time && !CompileTheWorld) | |
| 496 CompilationPolicy::completed_vm_startup(); | |
| 497 | |
| 498 return result; | |
| 499 JNI_END | |
| 500 | |
| 4006 | 501 #ifndef USDT2 |
| 0 | 502 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 503 #else /* USDT2 */ |
| 504 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 505 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 506 #endif /* USDT2 */ | |
| 0 | 507 |
| 508 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 509 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 510 #ifndef USDT2 |
| 0 | 511 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 512 #else /* USDT2 */ |
| 513 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 514 env, method); | |
| 515 #endif /* USDT2 */ | |
| 0 | 516 jmethodID ret = NULL; |
| 517 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 518 | |
| 519 // method is a handle to a java.lang.reflect.Method object | |
| 520 oop reflected = JNIHandles::resolve_non_null(method); | |
| 521 oop mirror = NULL; | |
| 522 int slot = 0; | |
| 523 | |
| 1142 | 524 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 525 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 526 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 527 } else { | |
| 1142 | 528 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 529 mirror = java_lang_reflect_Method::clazz(reflected); |
| 530 slot = java_lang_reflect_Method::slot(reflected); | |
| 531 } | |
| 532 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 533 | |
| 534 KlassHandle k1(THREAD, k); | |
| 535 // Make sure class is initialized before handing id's out to methods | |
| 536 Klass::cast(k1())->initialize(CHECK_NULL); | |
| 537 methodOop m = instanceKlass::cast(k1())->method_with_idnum(slot); | |
| 538 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted | |
| 539 return ret; | |
| 540 JNI_END | |
| 541 | |
| 4006 | 542 #ifndef USDT2 |
| 0 | 543 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 544 #else /* USDT2 */ |
| 545 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 546 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 547 #endif /* USDT2 */ | |
| 0 | 548 |
| 549 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 550 JNIWrapper("FromReflectedField"); | |
| 4006 | 551 #ifndef USDT2 |
| 0 | 552 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 553 #else /* USDT2 */ |
| 554 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 555 env, field); | |
| 556 #endif /* USDT2 */ | |
| 0 | 557 jfieldID ret = NULL; |
| 558 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 559 | |
| 560 // field is a handle to a java.lang.reflect.Field object | |
| 561 oop reflected = JNIHandles::resolve_non_null(field); | |
| 562 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
| 563 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 564 int slot = java_lang_reflect_Field::slot(reflected); | |
| 565 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 566 | |
| 567 KlassHandle k1(THREAD, k); | |
| 568 // Make sure class is initialized before handing id's out to fields | |
| 569 Klass::cast(k1())->initialize(CHECK_NULL); | |
| 570 | |
| 571 // First check if this is a static field | |
| 572 if (modifiers & JVM_ACC_STATIC) { | |
| 3938 | 573 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
| 0 | 574 JNIid* id = instanceKlass::cast(k1())->jni_id_for(offset); |
| 575 assert(id != NULL, "corrupt Field object"); | |
| 576 debug_only(id->set_is_static_field_id();) | |
| 577 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
| 578 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 579 return ret; | |
| 580 } | |
| 581 | |
| 582 // The slot is the index of the field description in the field-array | |
| 583 // The jfieldID is the offset of the field within the object | |
| 584 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 3938 | 585 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
| 0 | 586 assert(instanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 587 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); | |
| 588 return ret; | |
| 589 JNI_END | |
| 590 | |
| 4006 | 591 #ifndef USDT2 |
| 0 | 592 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 593 #else /* USDT2 */ |
| 594 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 595 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 596 #endif /* USDT2 */ | |
| 0 | 597 |
| 598 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 599 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 600 #ifndef USDT2 |
| 0 | 601 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 602 #else /* USDT2 */ |
| 603 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 604 env, cls, (uintptr_t) method_id, isStatic); | |
| 605 #endif /* USDT2 */ | |
| 0 | 606 jobject ret = NULL; |
| 607 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 608 | |
| 609 methodHandle m (THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
| 610 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); | |
| 611 oop reflection_method; | |
| 612 if (m->is_initializer()) { | |
| 613 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 614 } else { | |
| 615 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 616 } | |
| 617 ret = JNIHandles::make_local(env, reflection_method); | |
| 618 return ret; | |
| 619 JNI_END | |
| 620 | |
| 4006 | 621 #ifndef USDT2 |
| 0 | 622 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 623 #else /* USDT2 */ |
| 624 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 625 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 626 #endif /* USDT2 */ | |
| 0 | 627 |
| 628 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 629 JNIWrapper("GetSuperclass"); | |
| 4006 | 630 #ifndef USDT2 |
| 0 | 631 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 632 #else /* USDT2 */ |
| 633 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 634 env, sub); | |
| 635 #endif /* USDT2 */ | |
| 0 | 636 jclass obj = NULL; |
| 637 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 638 | |
| 639 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 640 // primitive classes return NULL | |
| 641 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 642 | |
| 643 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 644 // arrays return Object | |
| 645 // interfaces return NULL | |
| 646 // proper classes return Klass::super() | |
| 647 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 648 if (Klass::cast(k)->is_interface()) return NULL; | |
| 649 | |
| 650 // return mirror for superclass | |
| 651 klassOop super = Klass::cast(k)->java_super(); | |
| 652 // super2 is the value computed by the compiler's getSuperClass intrinsic: | |
| 653 debug_only(klassOop super2 = ( Klass::cast(k)->oop_is_javaArray() | |
| 1142 | 654 ? SystemDictionary::Object_klass() |
| 0 | 655 : Klass::cast(k)->super() ) ); |
| 656 assert(super == super2, | |
| 657 "java_super computation depends on interface, array, other super"); | |
| 658 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(Klass::cast(super)->java_mirror()); | |
| 659 return obj; | |
| 660 JNI_END | |
| 661 | |
| 662 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 663 JNIWrapper("IsSubclassOf"); | |
| 4006 | 664 #ifndef USDT2 |
| 0 | 665 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 666 #else /* USDT2 */ |
| 667 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 668 env, sub, super); | |
| 669 #endif /* USDT2 */ | |
| 0 | 670 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 671 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 672 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 673 java_lang_Class::is_primitive(super_mirror)) { | |
| 674 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 675 #ifndef USDT2 |
| 0 | 676 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 677 #else /* USDT2 */ |
| 678 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 679 ret); | |
| 680 #endif /* USDT2 */ | |
| 0 | 681 return ret; |
| 682 } | |
| 683 klassOop sub_klass = java_lang_Class::as_klassOop(sub_mirror); | |
| 684 klassOop super_klass = java_lang_Class::as_klassOop(super_mirror); | |
| 685 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); | |
| 686 jboolean ret = Klass::cast(sub_klass)->is_subtype_of(super_klass) ? | |
| 687 JNI_TRUE : JNI_FALSE; | |
| 4006 | 688 #ifndef USDT2 |
| 0 | 689 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 690 #else /* USDT2 */ |
| 691 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 692 ret); | |
| 693 #endif /* USDT2 */ | |
| 0 | 694 return ret; |
| 695 JNI_END | |
| 696 | |
| 4006 | 697 #ifndef USDT2 |
| 0 | 698 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 699 #else /* USDT2 */ |
| 700 DT_RETURN_MARK_DECL(Throw, jint | |
| 701 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 702 #endif /* USDT2 */ | |
| 0 | 703 |
| 704 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 705 JNIWrapper("Throw"); | |
| 4006 | 706 #ifndef USDT2 |
| 0 | 707 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 708 #else /* USDT2 */ |
| 709 HOTSPOT_JNI_THROW_ENTRY( | |
| 710 env, obj); | |
| 711 #endif /* USDT2 */ | |
| 0 | 712 jint ret = JNI_OK; |
| 713 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 714 | |
| 715 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 716 ShouldNotReachHere(); | |
| 717 JNI_END | |
| 718 | |
| 4006 | 719 #ifndef USDT2 |
| 0 | 720 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 721 #else /* USDT2 */ |
| 722 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 723 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 724 #endif /* USDT2 */ | |
| 0 | 725 |
| 726 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 727 JNIWrapper("ThrowNew"); | |
| 4006 | 728 #ifndef USDT2 |
| 0 | 729 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 730 #else /* USDT2 */ |
| 731 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 732 env, clazz, (char *) message); | |
| 733 #endif /* USDT2 */ | |
| 0 | 734 jint ret = JNI_OK; |
| 735 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 736 | |
| 737 instanceKlass* k = instanceKlass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
738 Symbol* name = k->name(); |
| 0 | 739 Handle class_loader (THREAD, k->class_loader()); |
| 740 Handle protection_domain (THREAD, k->protection_domain()); | |
| 741 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 742 ShouldNotReachHere(); | |
| 743 JNI_END | |
| 744 | |
| 745 | |
| 746 // JNI functions only transform a pending async exception to a synchronous | |
| 747 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 748 // delivering an async exception in other places won't change the native | |
| 749 // code's control flow and would be harmful when native code further calls | |
| 750 // JNI functions with a pending exception. Async exception is also checked | |
| 751 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 752 // false but deliver the async exception at the very end during | |
| 753 // state transition. | |
| 754 | |
| 755 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 756 assert(thread == Thread::current(), "must be itself"); | |
| 757 thread->check_and_handle_async_exceptions(); | |
| 758 } | |
| 759 | |
| 760 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 761 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 762 #ifndef USDT2 |
| 0 | 763 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 764 #else /* USDT2 */ |
| 765 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 766 env); | |
| 767 #endif /* USDT2 */ | |
| 0 | 768 jni_check_async_exceptions(thread); |
| 769 oop exception = thread->pending_exception(); | |
| 770 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 771 #ifndef USDT2 |
| 0 | 772 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 773 #else /* USDT2 */ |
| 774 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 775 ret); | |
| 776 #endif /* USDT2 */ | |
| 0 | 777 return ret; |
| 778 JNI_END | |
| 779 | |
| 780 | |
| 781 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 782 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 783 #ifndef USDT2 |
| 0 | 784 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 785 #else /* USDT2 */ |
| 786 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 787 env); | |
| 788 #endif /* USDT2 */ | |
| 0 | 789 if (thread->has_pending_exception()) { |
| 790 Handle ex(thread, thread->pending_exception()); | |
| 791 thread->clear_pending_exception(); | |
| 1142 | 792 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 793 // Don't print anything if we are being killed. |
| 794 } else { | |
| 795 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 796 if (thread != NULL && thread->threadObj() != NULL) { | |
| 797 ResourceMark rm(THREAD); | |
| 798 jio_fprintf(defaultStream::error_stream(), | |
| 799 "in thread \"%s\" ", thread->get_thread_name()); | |
| 800 } | |
| 1142 | 801 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 802 JavaValue result(T_VOID); |
| 803 JavaCalls::call_virtual(&result, | |
| 804 ex, | |
| 805 KlassHandle(THREAD, | |
| 1142 | 806 SystemDictionary::Throwable_klass()), |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
807 vmSymbols::printStackTrace_name(), |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
808 vmSymbols::void_method_signature(), |
| 0 | 809 THREAD); |
| 810 // If an exception is thrown in the call it gets thrown away. Not much | |
| 811 // we can do with it. The native code that calls this, does not check | |
| 812 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 813 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 814 // is expected. | |
| 815 CLEAR_PENDING_EXCEPTION; | |
| 816 } else { | |
| 817 ResourceMark rm(THREAD); | |
| 818 jio_fprintf(defaultStream::error_stream(), | |
| 819 ". Uncaught exception of type %s.", | |
| 820 Klass::cast(ex->klass())->external_name()); | |
| 821 } | |
| 822 } | |
| 823 } | |
| 4006 | 824 #ifndef USDT2 |
| 0 | 825 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 826 #else /* USDT2 */ |
| 827 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 828 ); | |
| 829 #endif /* USDT2 */ | |
| 0 | 830 JNI_END |
| 831 | |
| 832 | |
| 833 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 834 JNIWrapper("ExceptionClear"); | |
| 4006 | 835 #ifndef USDT2 |
| 0 | 836 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 837 #else /* USDT2 */ |
| 838 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 839 env); | |
| 840 #endif /* USDT2 */ | |
| 0 | 841 |
| 842 // The jni code might be using this API to clear java thrown exception. | |
| 843 // So just mark jvmti thread exception state as exception caught. | |
| 844 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 845 if (state != NULL && state->is_exception_detected()) { | |
| 846 state->set_exception_caught(); | |
| 847 } | |
| 848 thread->clear_pending_exception(); | |
| 4006 | 849 #ifndef USDT2 |
| 0 | 850 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 851 #else /* USDT2 */ |
| 852 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 853 ); | |
| 854 #endif /* USDT2 */ | |
| 0 | 855 JNI_END |
| 856 | |
| 857 | |
| 858 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 859 JNIWrapper("FatalError"); | |
| 4006 | 860 #ifndef USDT2 |
| 0 | 861 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 862 #else /* USDT2 */ |
| 863 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 864 env, (char *) msg); | |
| 865 #endif /* USDT2 */ | |
| 0 | 866 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 867 thread->print_stack(); | |
|
227
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
113
diff
changeset
|
868 os::abort(); // Dump core and abort |
| 0 | 869 JNI_END |
| 870 | |
| 871 | |
| 872 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 873 JNIWrapper("PushLocalFrame"); | |
| 4006 | 874 #ifndef USDT2 |
| 0 | 875 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 876 #else /* USDT2 */ |
| 877 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 878 env, capacity); | |
| 879 #endif /* USDT2 */ | |
| 0 | 880 //%note jni_11 |
| 881 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 4006 | 882 #ifndef USDT2 |
| 0 | 883 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 884 #else /* USDT2 */ |
| 885 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 886 (uint32_t)JNI_ERR); | |
| 887 #endif /* USDT2 */ | |
| 0 | 888 return JNI_ERR; |
| 889 } | |
| 890 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 891 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 892 assert(new_handles != NULL, "should not be NULL"); | |
| 893 new_handles->set_pop_frame_link(old_handles); | |
| 894 thread->set_active_handles(new_handles); | |
| 895 jint ret = JNI_OK; | |
| 4006 | 896 #ifndef USDT2 |
| 0 | 897 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 898 #else /* USDT2 */ |
| 899 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 900 ret); | |
| 901 #endif /* USDT2 */ | |
| 0 | 902 return ret; |
| 903 JNI_END | |
| 904 | |
| 905 | |
| 906 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 907 JNIWrapper("PopLocalFrame"); | |
| 4006 | 908 #ifndef USDT2 |
| 0 | 909 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 910 #else /* USDT2 */ |
| 911 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 912 env, result); | |
| 913 #endif /* USDT2 */ | |
| 0 | 914 //%note jni_11 |
| 915 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 916 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 917 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 918 if (new_handles != NULL) { | |
| 919 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 920 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 921 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 922 // the release_block call will release the blocks. | |
| 923 thread->set_active_handles(new_handles); | |
| 924 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 925 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 926 result = JNIHandles::make_local(thread, result_handle()); | |
| 927 } | |
| 4006 | 928 #ifndef USDT2 |
| 0 | 929 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 930 #else /* USDT2 */ |
| 931 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 932 result); | |
| 933 #endif /* USDT2 */ | |
| 0 | 934 return result; |
| 935 JNI_END | |
| 936 | |
| 937 | |
| 938 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 939 JNIWrapper("NewGlobalRef"); | |
| 4006 | 940 #ifndef USDT2 |
| 0 | 941 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 942 #else /* USDT2 */ |
| 943 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 944 env, ref); | |
| 945 #endif /* USDT2 */ | |
| 0 | 946 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 947 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 948 #ifndef USDT2 |
| 0 | 949 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 950 #else /* USDT2 */ |
| 951 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 952 ret); | |
| 953 #endif /* USDT2 */ | |
| 0 | 954 return ret; |
| 955 JNI_END | |
| 956 | |
| 957 // Must be JNI_ENTRY (with HandleMark) | |
| 958 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 959 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 960 #ifndef USDT2 |
| 0 | 961 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 962 #else /* USDT2 */ |
| 963 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 964 env, ref); | |
| 965 #endif /* USDT2 */ | |
| 0 | 966 JNIHandles::destroy_global(ref); |
| 4006 | 967 #ifndef USDT2 |
| 0 | 968 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 969 #else /* USDT2 */ |
| 970 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 971 ); | |
| 972 #endif /* USDT2 */ | |
| 0 | 973 JNI_END |
| 974 | |
| 975 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 976 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 977 #ifndef USDT2 |
| 0 | 978 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 979 #else /* USDT2 */ |
| 980 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 981 env, obj); | |
| 982 #endif /* USDT2 */ | |
| 0 | 983 JNIHandles::destroy_local(obj); |
| 4006 | 984 #ifndef USDT2 |
| 0 | 985 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 986 #else /* USDT2 */ |
| 987 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 988 ); | |
| 989 #endif /* USDT2 */ | |
| 0 | 990 JNI_END |
| 991 | |
| 992 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 993 JNIWrapper("IsSameObject"); | |
| 4006 | 994 #ifndef USDT2 |
| 0 | 995 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 996 #else /* USDT2 */ |
| 997 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 998 env, r1, r2); | |
| 999 #endif /* USDT2 */ | |
| 0 | 1000 oop a = JNIHandles::resolve(r1); |
| 1001 oop b = JNIHandles::resolve(r2); | |
| 1002 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1003 #ifndef USDT2 |
| 0 | 1004 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1005 #else /* USDT2 */ |
| 1006 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1007 ret); | |
| 1008 #endif /* USDT2 */ | |
| 0 | 1009 return ret; |
| 1010 JNI_END | |
| 1011 | |
| 1012 | |
| 1013 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1014 JNIWrapper("NewLocalRef"); | |
| 4006 | 1015 #ifndef USDT2 |
| 0 | 1016 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1017 #else /* USDT2 */ |
| 1018 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1019 env, ref); | |
| 1020 #endif /* USDT2 */ | |
| 0 | 1021 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1022 #ifndef USDT2 |
| 0 | 1023 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1024 #else /* USDT2 */ |
| 1025 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1026 ret); | |
| 1027 #endif /* USDT2 */ | |
| 0 | 1028 return ret; |
| 1029 JNI_END | |
| 1030 | |
| 1031 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1032 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1033 #ifndef USDT2 |
| 0 | 1034 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1035 #else /* USDT2 */ |
| 1036 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1037 env, capacity); | |
| 1038 #endif /* USDT2 */ | |
| 0 | 1039 jint ret; |
| 1040 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1041 ret = JNI_OK; | |
| 1042 } else { | |
| 1043 ret = JNI_ERR; | |
| 1044 } | |
| 4006 | 1045 #ifndef USDT2 |
| 0 | 1046 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1047 #else /* USDT2 */ |
| 1048 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1049 ret); | |
| 1050 #endif /* USDT2 */ | |
| 0 | 1051 return ret; |
| 1052 JNI_END | |
| 1053 | |
| 1054 // Return the Handle Type | |
| 1055 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1056 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1057 #ifndef USDT2 |
| 0 | 1058 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1059 #else /* USDT2 */ |
| 1060 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1061 env, obj); | |
| 1062 #endif /* USDT2 */ | |
| 0 | 1063 jobjectRefType ret; |
| 1064 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1065 JNIHandles::is_frame_handle(thread, obj)) | |
| 1066 ret = JNILocalRefType; | |
| 1067 else if (JNIHandles::is_global_handle(obj)) | |
| 1068 ret = JNIGlobalRefType; | |
| 1069 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1070 ret = JNIWeakGlobalRefType; | |
| 1071 else | |
| 1072 ret = JNIInvalidRefType; | |
| 4006 | 1073 #ifndef USDT2 |
| 0 | 1074 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1075 #else /* USDT2 */ |
| 1076 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1077 (void *) ret); | |
| 1078 #endif /* USDT2 */ | |
| 0 | 1079 return ret; |
| 1080 JNI_END | |
| 1081 | |
| 1082 | |
| 1083 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1084 protected: | |
| 1085 JavaCallArguments* _arguments; | |
| 1086 | |
| 1087 virtual void get_bool () = 0; | |
| 1088 virtual void get_char () = 0; | |
| 1089 virtual void get_short () = 0; | |
| 1090 virtual void get_byte () = 0; | |
| 1091 virtual void get_int () = 0; | |
| 1092 virtual void get_long () = 0; | |
| 1093 virtual void get_float () = 0; | |
| 1094 virtual void get_double () = 0; | |
| 1095 virtual void get_object () = 0; | |
| 1096 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1097 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1098 this->_return_type = T_ILLEGAL; |
| 1099 _arguments = NULL; | |
| 1100 } | |
| 1101 | |
| 1102 public: | |
| 1103 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1104 | |
| 1105 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1106 | |
| 1107 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1108 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1109 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1110 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1111 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1112 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1113 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1114 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1115 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1116 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1117 inline void do_void() { } | |
| 1118 | |
| 1119 JavaCallArguments* arguments() { return _arguments; } | |
| 1120 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1121 }; | |
| 1122 | |
| 1123 | |
| 1124 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1125 protected: | |
| 1126 va_list _ap; | |
| 1127 | |
| 1128 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1129 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1130 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1131 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1132 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1133 | |
| 1134 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1135 | |
| 1136 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1137 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1138 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1139 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1140 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1141 | |
| 1142 inline void set_ap(va_list rap) { | |
| 1143 #ifdef va_copy | |
| 1144 va_copy(_ap, rap); | |
| 1145 #elif defined (__va_copy) | |
| 1146 __va_copy(_ap, rap); | |
| 1147 #else | |
| 1148 _ap = rap; | |
| 1149 #endif | |
| 1150 } | |
| 1151 | |
| 1152 public: | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1153 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1154 : JNI_ArgumentPusher(signature) { |
| 0 | 1155 set_ap(rap); |
| 1156 } | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1157 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1158 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1159 set_ap(rap); |
| 1160 } | |
| 1161 | |
| 1162 // Optimized path if we have the bitvector form of signature | |
| 1163 void iterate( uint64_t fingerprint ) { | |
| 1164 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1165 else { | |
| 1166 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1167 result_feature_mask); | |
| 1168 | |
| 1169 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1170 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1171 while ( 1 ) { | |
| 1172 switch ( fingerprint & parameter_feature_mask ) { | |
| 1173 case bool_parm: | |
| 1174 case char_parm: | |
| 1175 case short_parm: | |
| 1176 case byte_parm: | |
| 1177 case int_parm: | |
| 1178 get_int(); | |
| 1179 break; | |
| 1180 case obj_parm: | |
| 1181 get_object(); | |
| 1182 break; | |
| 1183 case long_parm: | |
| 1184 get_long(); | |
| 1185 break; | |
| 1186 case float_parm: | |
| 1187 get_float(); | |
| 1188 break; | |
| 1189 case double_parm: | |
| 1190 get_double(); | |
| 1191 break; | |
| 1192 case done_parm: | |
| 1193 return; | |
| 1194 break; | |
| 1195 default: | |
| 1196 ShouldNotReachHere(); | |
| 1197 break; | |
| 1198 } | |
| 1199 fingerprint >>= parameter_feature_size; | |
| 1200 } | |
| 1201 } | |
| 1202 } | |
| 1203 }; | |
| 1204 | |
| 1205 | |
| 1206 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1207 protected: | |
| 1208 const jvalue *_ap; | |
| 1209 | |
| 1210 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1211 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1212 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1213 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1214 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1215 | |
| 1216 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1217 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1218 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1219 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1220 | |
| 1221 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1222 | |
| 1223 public: | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1224 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1225 : JNI_ArgumentPusher(signature) { |
| 0 | 1226 set_ap(rap); |
| 1227 } | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1228 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1229 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1230 set_ap(rap); |
| 1231 } | |
| 1232 | |
| 1233 // Optimized path if we have the bitvector form of signature | |
| 1234 void iterate( uint64_t fingerprint ) { | |
| 1235 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1236 else { | |
| 1237 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1238 result_feature_mask); | |
| 1239 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1240 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1241 while ( 1 ) { | |
| 1242 switch ( fingerprint & parameter_feature_mask ) { | |
| 1243 case bool_parm: | |
| 1244 get_bool(); | |
| 1245 break; | |
| 1246 case char_parm: | |
| 1247 get_char(); | |
| 1248 break; | |
| 1249 case short_parm: | |
| 1250 get_short(); | |
| 1251 break; | |
| 1252 case byte_parm: | |
| 1253 get_byte(); | |
| 1254 break; | |
| 1255 case int_parm: | |
| 1256 get_int(); | |
| 1257 break; | |
| 1258 case obj_parm: | |
| 1259 get_object(); | |
| 1260 break; | |
| 1261 case long_parm: | |
| 1262 get_long(); | |
| 1263 break; | |
| 1264 case float_parm: | |
| 1265 get_float(); | |
| 1266 break; | |
| 1267 case double_parm: | |
| 1268 get_double(); | |
| 1269 break; | |
| 1270 case done_parm: | |
| 1271 return; | |
| 1272 break; | |
| 1273 default: | |
| 1274 ShouldNotReachHere(); | |
| 1275 break; | |
| 1276 } | |
| 1277 fingerprint >>= parameter_feature_size; | |
| 1278 } | |
| 1279 } | |
| 1280 } | |
| 1281 }; | |
| 1282 | |
| 1283 | |
| 1284 enum JNICallType { | |
| 1285 JNI_STATIC, | |
| 1286 JNI_VIRTUAL, | |
| 1287 JNI_NONVIRTUAL | |
| 1288 }; | |
| 1289 | |
| 1290 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
| 1291 assert(!method.is_null() , "method should not be null"); | |
| 1292 | |
| 1293 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1294 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1295 KlassHandle spec_klass (THREAD, method->method_holder()); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1296 Symbol* name = method->name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1297 Symbol* signature = method->signature(); |
| 0 | 1298 CallInfo info; |
| 1299 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1300 return info.selected_method(); | |
| 1301 } | |
| 1302 | |
| 1303 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
| 1304 assert(!method.is_null() , "method should not be null"); | |
| 1305 | |
| 1306 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1307 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1308 KlassHandle spec_klass (THREAD, method->method_holder()); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1309 Symbol* name = method->name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1310 Symbol* signature = method->signature(); |
| 0 | 1311 CallInfo info; |
| 1312 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1313 return info.selected_method(); | |
| 1314 } | |
| 1315 | |
| 1316 | |
| 1317 | |
| 1318 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1319 methodHandle method(THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
| 1320 | |
| 1321 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1322 // the jni parser | |
| 1323 ResourceMark rm(THREAD); | |
| 1324 int number_of_parameters = method->size_of_parameters(); | |
| 1325 JavaCallArguments java_args(number_of_parameters); | |
| 1326 args->set_java_argument_object(&java_args); | |
| 1327 | |
| 1328 assert(method->is_static(), "method should be static"); | |
| 1329 | |
| 1330 // Fill out JavaCallArguments object | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1331 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1332 // Initialize result type |
| 1333 result->set_type(args->get_ret_type()); | |
| 1334 | |
| 1335 // Invoke the method. Result is returned as oop. | |
| 1336 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1337 | |
| 1338 // Convert result | |
| 1339 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1340 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1341 } | |
| 1342 } | |
| 1343 | |
| 1344 | |
| 1345 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1346 oop recv = JNIHandles::resolve(receiver); | |
| 1347 if (recv == NULL) { | |
| 1348 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1349 } | |
| 1350 Handle h_recv(THREAD, recv); | |
| 1351 | |
| 1352 int number_of_parameters; | |
| 1353 methodOop selected_method; | |
| 1354 { | |
| 1355 methodOop m = JNIHandles::resolve_jmethod_id(method_id); | |
| 1356 number_of_parameters = m->size_of_parameters(); | |
| 1357 klassOop holder = m->method_holder(); | |
| 1358 if (!(Klass::cast(holder))->is_interface()) { | |
| 1359 // non-interface call -- for that little speed boost, don't handlize | |
| 1360 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1361 if (call_type == JNI_VIRTUAL) { | |
| 1362 // jni_GetMethodID makes sure class is linked and initialized | |
| 1363 // so m should have a valid vtable index. | |
| 1364 int vtbl_index = m->vtable_index(); | |
| 1365 if (vtbl_index != methodOopDesc::nonvirtual_vtable_index) { | |
| 1366 klassOop k = h_recv->klass(); | |
| 1367 // k might be an arrayKlassOop but all vtables start at | |
| 1368 // the same place. The cast is to avoid virtual call and assertion. | |
| 1369 instanceKlass *ik = (instanceKlass*)k->klass_part(); | |
| 1370 selected_method = ik->method_at_vtable(vtbl_index); | |
| 1371 } else { | |
| 1372 // final method | |
| 1373 selected_method = m; | |
| 1374 } | |
| 1375 } else { | |
| 1376 // JNI_NONVIRTUAL call | |
| 1377 selected_method = m; | |
| 1378 } | |
| 1379 } else { | |
| 1380 // interface call | |
| 1381 KlassHandle h_holder(THREAD, holder); | |
| 1382 | |
| 1383 int itbl_index = m->cached_itable_index(); | |
| 1384 if (itbl_index == -1) { | |
| 1385 itbl_index = klassItable::compute_itable_index(m); | |
| 1386 m->set_cached_itable_index(itbl_index); | |
| 1387 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
| 1388 } | |
| 1389 klassOop k = h_recv->klass(); | |
| 1390 selected_method = instanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
| 1391 } | |
| 1392 } | |
| 1393 | |
| 1394 methodHandle method(THREAD, selected_method); | |
| 1395 | |
| 1396 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1397 // the jni parser | |
| 1398 ResourceMark rm(THREAD); | |
| 1399 JavaCallArguments java_args(number_of_parameters); | |
| 1400 args->set_java_argument_object(&java_args); | |
| 1401 | |
| 1402 // handle arguments | |
| 1403 assert(!method->is_static(), "method should not be static"); | |
| 1404 args->push_receiver(h_recv); // Push jobject handle | |
| 1405 | |
| 1406 // Fill out JavaCallArguments object | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1407 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1408 // Initialize result type |
| 1409 result->set_type(args->get_ret_type()); | |
| 1410 | |
| 1411 // Invoke the method. Result is returned as oop. | |
| 1412 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1413 | |
| 1414 // Convert result | |
| 1415 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1416 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1417 } | |
| 1418 } | |
| 1419 | |
| 1420 | |
| 1421 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
| 1422 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 1423 Klass::cast(k())->check_valid_for_instantiation(false, CHECK_NULL); | |
| 1424 instanceKlass::cast(k())->initialize(CHECK_NULL); | |
| 1425 instanceOop ih = instanceKlass::cast(k())->allocate_instance(THREAD); | |
| 1426 return ih; | |
| 1427 } | |
| 1428 | |
| 4006 | 1429 #ifndef USDT2 |
| 0 | 1430 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1431 #else /* USDT2 */ |
| 1432 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1433 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1434 #endif /* USDT2 */ | |
| 0 | 1435 |
| 1436 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1437 JNIWrapper("AllocObject"); | |
| 1438 | |
| 4006 | 1439 #ifndef USDT2 |
| 0 | 1440 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1441 #else /* USDT2 */ |
| 1442 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1443 env, clazz); | |
| 1444 #endif /* USDT2 */ | |
| 0 | 1445 jobject ret = NULL; |
| 1446 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1447 | |
| 1448 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1449 ret = JNIHandles::make_local(env, i); | |
| 1450 return ret; | |
| 1451 JNI_END | |
| 1452 | |
| 4006 | 1453 #ifndef USDT2 |
| 0 | 1454 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1455 #else /* USDT2 */ |
| 1456 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1457 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1458 #endif /* USDT2 */ | |
| 0 | 1459 |
| 1460 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1461 JNIWrapper("NewObjectA"); | |
| 4006 | 1462 #ifndef USDT2 |
| 0 | 1463 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1464 #else /* USDT2 */ |
| 1465 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1466 env, clazz, (uintptr_t) methodID); | |
| 1467 #endif /* USDT2 */ | |
| 0 | 1468 jobject obj = NULL; |
| 1469 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1470 | |
| 1471 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1472 obj = JNIHandles::make_local(env, i); | |
| 1473 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1474 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1475 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1476 return obj; | |
| 1477 JNI_END | |
| 1478 | |
| 4006 | 1479 #ifndef USDT2 |
| 0 | 1480 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1481 #else /* USDT2 */ |
| 1482 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1483 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1484 #endif /* USDT2 */ | |
| 0 | 1485 |
| 1486 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1487 JNIWrapper("NewObjectV"); | |
| 4006 | 1488 #ifndef USDT2 |
| 0 | 1489 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1490 #else /* USDT2 */ |
| 1491 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1492 env, clazz, (uintptr_t) methodID); | |
| 1493 #endif /* USDT2 */ | |
| 0 | 1494 jobject obj = NULL; |
| 1495 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1496 | |
| 1497 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1498 obj = JNIHandles::make_local(env, i); | |
| 1499 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1500 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1501 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1502 return obj; | |
| 1503 JNI_END | |
| 1504 | |
| 4006 | 1505 #ifndef USDT2 |
| 0 | 1506 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1507 #else /* USDT2 */ |
| 1508 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1509 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1510 #endif /* USDT2 */ | |
| 0 | 1511 |
| 1512 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1513 JNIWrapper("NewObject"); | |
| 4006 | 1514 #ifndef USDT2 |
| 0 | 1515 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1516 #else /* USDT2 */ |
| 1517 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1518 env, clazz, (uintptr_t) methodID); | |
| 1519 #endif /* USDT2 */ | |
| 0 | 1520 jobject obj = NULL; |
| 1521 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1522 | |
| 1523 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1524 obj = JNIHandles::make_local(env, i); | |
| 1525 va_list args; | |
| 1526 va_start(args, methodID); | |
| 1527 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1528 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1529 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1530 va_end(args); | |
| 1531 return obj; | |
| 1532 JNI_END | |
| 1533 | |
| 1534 | |
| 1535 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1536 JNIWrapper("GetObjectClass"); | |
| 4006 | 1537 #ifndef USDT2 |
| 0 | 1538 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1539 #else /* USDT2 */ |
| 1540 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1541 env, obj); | |
| 1542 #endif /* USDT2 */ | |
| 0 | 1543 klassOop k = JNIHandles::resolve_non_null(obj)->klass(); |
| 1544 jclass ret = | |
| 1545 (jclass) JNIHandles::make_local(env, Klass::cast(k)->java_mirror()); | |
| 4006 | 1546 #ifndef USDT2 |
| 0 | 1547 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1548 #else /* USDT2 */ |
| 1549 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1550 ret); | |
| 1551 #endif /* USDT2 */ | |
| 0 | 1552 return ret; |
| 1553 JNI_END | |
| 1554 | |
| 1555 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1556 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1557 #ifndef USDT2 |
| 0 | 1558 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1559 #else /* USDT2 */ |
| 1560 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1561 env, obj, clazz); | |
| 1562 #endif /* USDT2 */ | |
| 0 | 1563 jboolean ret = JNI_TRUE; |
| 1564 if (obj != NULL) { | |
| 1565 ret = JNI_FALSE; | |
| 1566 klassOop k = java_lang_Class::as_klassOop( | |
| 1567 JNIHandles::resolve_non_null(clazz)); | |
| 1568 if (k != NULL) { | |
| 1569 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1570 } | |
| 1571 } | |
| 4006 | 1572 #ifndef USDT2 |
| 0 | 1573 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1574 #else /* USDT2 */ |
| 1575 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1576 ret); | |
| 1577 #endif /* USDT2 */ | |
| 0 | 1578 return ret; |
| 1579 JNI_END | |
| 1580 | |
| 1581 | |
| 1582 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1583 const char *sig, bool is_static, TRAPS) { | |
| 1584 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1585 // | |
| 1586 // The class should have been loaded (we have an instance of the class | |
| 1587 // passed in) so the method and signature should already be in the symbol | |
| 1588 // table. If they're not there, the method doesn't exist. | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1589 const char *name_to_probe = (name_str == NULL) |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1590 ? vmSymbols::object_initializer_name()->as_C_string() |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1591 : name_str; |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1592 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1593 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1594 |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1595 if (name == NULL || signature == NULL) { |
| 0 | 1596 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1597 } | |
| 1598 | |
| 1599 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1600 // primitive java.lang.Class | |
| 1601 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1602 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1603 } | |
| 1604 | |
| 1605 KlassHandle klass(THREAD, | |
| 1606 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 1607 | |
| 1608 // Make sure class is linked and initialized before handing id's out to | |
| 1609 // methodOops. | |
| 1610 Klass::cast(klass())->initialize(CHECK_NULL); | |
| 1611 | |
| 1612 methodOop m; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1613 if (name == vmSymbols::object_initializer_name() || |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1614 name == vmSymbols::class_initializer_name()) { |
| 0 | 1615 // Never search superclasses for constructors |
| 1616 if (klass->oop_is_instance()) { | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1617 m = instanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1618 } else { |
| 1619 m = NULL; | |
| 1620 } | |
| 1621 } else { | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1622 m = klass->lookup_method(name, signature); |
| 0 | 1623 // Look up interfaces |
| 1624 if (m == NULL && klass->oop_is_instance()) { | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1625 m = instanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1626 signature); |
| 0 | 1627 } |
| 1628 } | |
| 1629 if (m == NULL || (m->is_static() != is_static)) { | |
| 1630 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1631 } | |
| 1632 return m->jmethod_id(); | |
| 1633 } | |
| 1634 | |
| 1635 | |
| 1636 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1637 const char *name, const char *sig)) | |
| 1638 JNIWrapper("GetMethodID"); | |
| 4006 | 1639 #ifndef USDT2 |
| 0 | 1640 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1641 #else /* USDT2 */ |
| 1642 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1643 env, clazz, (char *) name, (char *) sig); | |
| 1644 #endif /* USDT2 */ | |
| 0 | 1645 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1646 #ifndef USDT2 |
| 0 | 1647 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1648 #else /* USDT2 */ |
| 1649 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1650 (uintptr_t) ret); | |
| 1651 #endif /* USDT2 */ | |
| 0 | 1652 return ret; |
| 1653 JNI_END | |
| 1654 | |
| 1655 | |
| 1656 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1657 const char *name, const char *sig)) | |
| 1658 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1659 #ifndef USDT2 |
| 0 | 1660 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1661 #else /* USDT2 */ |
| 1662 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1663 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1664 #endif /* USDT2 */ | |
| 0 | 1665 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1666 #ifndef USDT2 |
| 0 | 1667 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1668 #else /* USDT2 */ |
| 1669 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1670 (uintptr_t) ret); | |
| 1671 #endif /* USDT2 */ | |
| 0 | 1672 return ret; |
| 1673 JNI_END | |
| 1674 | |
| 1675 | |
| 1676 | |
| 1677 // | |
| 1678 // Calling Methods | |
| 1679 // | |
| 1680 | |
| 4006 | 1681 #ifndef USDT2 |
| 0 | 1682 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1683 \ | |
| 1684 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1685 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1686 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1687 \ | |
| 1688 JNI_ENTRY(ResultType, \ | |
| 1689 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1690 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1691 \ | |
| 4006 | 1692 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1693 ResultType ret = 0;\ |
| 1694 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1695 (const ResultType&)ret);\ | |
| 1696 \ | |
| 1697 va_list args; \ | |
| 1698 va_start(args, methodID); \ | |
| 1699 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1700 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1701 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1702 va_end(args); \ | |
| 1703 ret = jvalue.get_##ResultType(); \ | |
| 1704 return ret;\ | |
| 1705 JNI_END \ | |
| 1706 \ | |
| 1707 \ | |
| 1708 JNI_ENTRY(ResultType, \ | |
| 1709 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1710 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1711 \ | |
| 4006 | 1712 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1713 ResultType ret = 0;\ |
| 1714 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1715 (const ResultType&)ret);\ | |
| 1716 \ | |
| 1717 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1718 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1719 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1720 ret = jvalue.get_##ResultType(); \ | |
| 1721 return ret;\ | |
| 1722 JNI_END \ | |
| 1723 \ | |
| 1724 \ | |
| 1725 JNI_ENTRY(ResultType, \ | |
| 1726 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1727 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1728 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1729 ResultType ret = 0;\ |
| 1730 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1731 (const ResultType&)ret);\ | |
| 1732 \ | |
| 1733 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1734 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1735 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1736 ret = jvalue.get_##ResultType(); \ | |
| 1737 return ret;\ | |
| 1738 JNI_END | |
| 1739 | |
| 1740 // the runtime type of subword integral basic types is integer | |
| 1741 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1742 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1743 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1744 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1745 | |
| 1746 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1747 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1748 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1749 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1750 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1751 | |
| 1752 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1753 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1754 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1755 | |
| 4006 | 1756 #else /* USDT2 */ |
| 1757 | |
| 1758 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1759 , EntryProbe, ReturnProbe) \ | |
| 1760 \ | |
| 1761 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1762 , ReturnProbe); \ | |
| 1763 \ | |
| 1764 JNI_ENTRY(ResultType, \ | |
| 1765 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1766 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1767 \ | |
| 1768 EntryProbe; \ | |
| 1769 ResultType ret = 0;\ | |
| 1770 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1771 (const ResultType&)ret);\ | |
| 1772 \ | |
| 1773 va_list args; \ | |
| 1774 va_start(args, methodID); \ | |
| 1775 JavaValue jvalue(Tag); \ | |
| 1776 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1777 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1778 va_end(args); \ | |
| 1779 ret = jvalue.get_##ResultType(); \ | |
| 1780 return ret;\ | |
| 1781 JNI_END | |
| 1782 | |
| 1783 // the runtime type of subword integral basic types is integer | |
| 1784 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1785 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1786 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1787 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1788 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1789 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1790 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1791 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1792 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1793 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1794 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1795 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1796 | |
| 1797 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1798 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1799 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1800 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1801 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1802 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1803 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1804 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1805 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1806 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1807 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1808 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1809 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1810 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1811 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1812 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1813 | |
| 1814 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1815 , EntryProbe, ReturnProbe) \ | |
| 1816 \ | |
| 1817 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1818 , ReturnProbe); \ | |
| 1819 \ | |
| 1820 JNI_ENTRY(ResultType, \ | |
| 1821 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1822 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1823 \ | |
| 1824 EntryProbe;\ | |
| 1825 ResultType ret = 0;\ | |
| 1826 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1827 (const ResultType&)ret);\ | |
| 1828 \ | |
| 1829 JavaValue jvalue(Tag); \ | |
| 1830 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1831 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1832 ret = jvalue.get_##ResultType(); \ | |
| 1833 return ret;\ | |
| 1834 JNI_END | |
| 1835 | |
| 1836 // the runtime type of subword integral basic types is integer | |
| 1837 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1838 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1839 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1840 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1841 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1842 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1843 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1844 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1845 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1846 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1847 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1848 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1849 | |
| 1850 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1851 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1852 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1853 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1854 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1855 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1856 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1857 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1858 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1859 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1860 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1861 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1862 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1863 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1864 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1865 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1866 | |
| 1867 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1868 , EntryProbe, ReturnProbe) \ | |
| 1869 \ | |
| 1870 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1871 , ReturnProbe); \ | |
| 1872 \ | |
| 1873 JNI_ENTRY(ResultType, \ | |
| 1874 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1875 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1876 EntryProbe; \ | |
| 1877 ResultType ret = 0;\ | |
| 1878 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1879 (const ResultType&)ret);\ | |
| 1880 \ | |
| 1881 JavaValue jvalue(Tag); \ | |
| 1882 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1883 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1884 ret = jvalue.get_##ResultType(); \ | |
| 1885 return ret;\ | |
| 1886 JNI_END | |
| 1887 | |
| 1888 // the runtime type of subword integral basic types is integer | |
| 1889 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1890 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1891 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1892 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1893 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1894 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1895 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1896 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1897 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1898 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1899 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1900 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1901 | |
| 1902 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1903 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1904 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1905 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1906 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1907 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1908 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1909 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1910 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1911 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1912 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1913 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1914 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1915 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1916 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1917 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1918 | |
| 1919 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1920 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1921 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1922 | |
| 1923 #endif /* USDT2 */ | |
| 1924 | |
| 0 | 1925 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1926 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1927 #ifndef USDT2 |
| 0 | 1928 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1929 #else /* USDT2 */ |
| 1930 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1931 env, obj, (uintptr_t) methodID); | |
| 1932 #endif /* USDT2 */ | |
| 0 | 1933 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1934 | |
| 1935 va_list args; | |
| 1936 va_start(args, methodID); | |
| 1937 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1938 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1939 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1940 va_end(args); | |
| 1941 JNI_END | |
| 1942 | |
| 1943 | |
| 1944 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1945 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1946 #ifndef USDT2 |
| 0 | 1947 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1948 #else /* USDT2 */ |
| 1949 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1950 env, obj, (uintptr_t) methodID); | |
| 1951 #endif /* USDT2 */ | |
| 0 | 1952 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1953 | |
| 1954 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1955 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1956 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1957 JNI_END | |
| 1958 | |
| 1959 | |
| 1960 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1961 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1962 #ifndef USDT2 |
| 0 | 1963 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1964 #else /* USDT2 */ |
| 1965 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1966 env, obj, (uintptr_t) methodID); | |
| 1967 #endif /* USDT2 */ | |
| 0 | 1968 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1969 | |
| 1970 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1971 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1972 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1973 JNI_END | |
| 1974 | |
| 1975 | |
| 4006 | 1976 #ifndef USDT2 |
| 0 | 1977 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1978 \ | |
| 1979 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1980 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1981 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1982 \ | |
| 1983 JNI_ENTRY(ResultType, \ | |
| 1984 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1985 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1986 \ | |
| 1987 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1988 ResultType ret;\ | |
| 1989 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1990 (const ResultType&)ret);\ | |
| 1991 \ | |
| 1992 va_list args; \ | |
| 1993 va_start(args, methodID); \ | |
| 1994 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1995 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1996 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1997 va_end(args); \ | |
| 1998 ret = jvalue.get_##ResultType(); \ | |
| 1999 return ret;\ | |
| 2000 JNI_END \ | |
| 2001 \ | |
| 2002 JNI_ENTRY(ResultType, \ | |
| 2003 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2004 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 2005 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 2006 ResultType ret;\ | |
| 2007 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2008 (const ResultType&)ret);\ | |
| 2009 \ | |
| 2010 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2011 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2012 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2013 ret = jvalue.get_##ResultType(); \ | |
| 2014 return ret;\ | |
| 2015 JNI_END \ | |
| 2016 \ | |
| 2017 JNI_ENTRY(ResultType, \ | |
| 2018 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2019 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2020 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 2021 ResultType ret;\ | |
| 2022 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2023 (const ResultType&)ret);\ | |
| 2024 \ | |
| 2025 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2026 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2027 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2028 ret = jvalue.get_##ResultType(); \ | |
| 2029 return ret;\ | |
| 2030 JNI_END | |
| 2031 | |
| 2032 // the runtime type of subword integral basic types is integer | |
| 2033 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2034 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2035 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2036 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2037 | |
| 2038 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2039 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2040 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2041 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2042 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2043 | |
| 2044 | |
| 2045 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2046 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2047 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2048 | |
| 4006 | 2049 #else /* USDT2 */ |
| 2050 | |
| 2051 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2052 , EntryProbe, ReturnProbe) \ | |
| 2053 \ | |
| 2054 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2055 , ReturnProbe);\ | |
| 2056 \ | |
| 2057 JNI_ENTRY(ResultType, \ | |
| 2058 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2059 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2060 \ | |
| 2061 EntryProbe;\ | |
| 2062 ResultType ret;\ | |
| 2063 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2064 (const ResultType&)ret);\ | |
| 2065 \ | |
| 2066 va_list args; \ | |
| 2067 va_start(args, methodID); \ | |
| 2068 JavaValue jvalue(Tag); \ | |
| 2069 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2070 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2071 va_end(args); \ | |
| 2072 ret = jvalue.get_##ResultType(); \ | |
| 2073 return ret;\ | |
| 2074 JNI_END | |
| 2075 | |
| 2076 // the runtime type of subword integral basic types is integer | |
| 2077 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2078 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2079 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2080 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2081 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2082 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2083 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2084 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2085 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2086 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2087 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2088 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2089 | |
| 2090 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2091 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2092 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2093 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2094 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2095 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2096 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2097 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2098 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2099 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2100 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2101 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2102 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2103 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2104 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2105 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2106 | |
| 2107 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2108 , EntryProbe, ReturnProbe) \ | |
| 2109 \ | |
| 2110 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2111 , ReturnProbe);\ | |
| 2112 \ | |
| 2113 JNI_ENTRY(ResultType, \ | |
| 2114 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2115 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2116 \ | |
| 2117 EntryProbe;\ | |
| 2118 ResultType ret;\ | |
| 2119 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2120 (const ResultType&)ret);\ | |
| 2121 \ | |
| 2122 JavaValue jvalue(Tag); \ | |
| 2123 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2124 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2125 ret = jvalue.get_##ResultType(); \ | |
| 2126 return ret;\ | |
| 2127 JNI_END | |
| 2128 | |
| 2129 // the runtime type of subword integral basic types is integer | |
| 2130 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2131 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2132 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2133 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2134 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2135 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2136 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2137 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2138 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2139 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2140 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2141 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2142 | |
| 2143 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2144 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2145 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2146 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2147 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2148 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2149 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2150 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2151 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2152 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2153 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2154 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2155 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2156 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2157 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2158 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2159 | |
| 2160 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2161 , EntryProbe, ReturnProbe) \ | |
| 2162 \ | |
| 2163 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2164 , ReturnProbe);\ | |
| 2165 \ | |
| 2166 JNI_ENTRY(ResultType, \ | |
| 2167 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2168 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2169 \ | |
| 2170 EntryProbe;\ | |
| 2171 ResultType ret;\ | |
| 2172 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2173 (const ResultType&)ret);\ | |
| 2174 \ | |
| 2175 JavaValue jvalue(Tag); \ | |
| 2176 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2177 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2178 ret = jvalue.get_##ResultType(); \ | |
| 2179 return ret;\ | |
| 2180 JNI_END | |
| 2181 | |
| 2182 // the runtime type of subword integral basic types is integer | |
| 2183 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2184 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2185 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2186 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2187 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2188 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2189 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2190 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2191 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2192 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2193 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2194 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2195 | |
| 2196 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2197 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2198 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2199 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2200 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2201 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2202 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2203 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2204 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2205 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2206 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2207 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2208 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2209 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2210 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2211 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2212 | |
| 2213 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2214 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2215 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2216 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2217 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2218 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2219 #endif /* USDT2 */ | |
| 2220 | |
| 0 | 2221 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2222 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2223 | |
| 4006 | 2224 #ifndef USDT2 |
| 0 | 2225 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2226 env, obj, cls, methodID); | |
| 4006 | 2227 #else /* USDT2 */ |
| 2228 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2229 env, obj, cls, (uintptr_t) methodID); | |
| 2230 #endif /* USDT2 */ | |
| 0 | 2231 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2232 | |
| 2233 va_list args; | |
| 2234 va_start(args, methodID); | |
| 2235 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2236 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2237 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2238 va_end(args); | |
| 2239 JNI_END | |
| 2240 | |
| 2241 | |
| 2242 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2243 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2244 | |
| 4006 | 2245 #ifndef USDT2 |
| 0 | 2246 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2247 env, obj, cls, methodID); | |
| 4006 | 2248 #else /* USDT2 */ |
| 2249 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2250 env, obj, cls, (uintptr_t) methodID); | |
| 2251 #endif /* USDT2 */ | |
| 0 | 2252 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2253 | |
| 2254 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2255 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2256 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2257 JNI_END | |
| 2258 | |
| 2259 | |
| 2260 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2261 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2262 #ifndef USDT2 |
| 0 | 2263 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2264 env, obj, cls, methodID); | |
| 4006 | 2265 #else /* USDT2 */ |
| 2266 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2267 env, obj, cls, (uintptr_t) methodID); | |
| 2268 #endif /* USDT2 */ | |
| 0 | 2269 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2270 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2271 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2272 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2273 JNI_END | |
| 2274 | |
| 2275 | |
| 4006 | 2276 #ifndef USDT2 |
| 0 | 2277 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2278 \ | |
| 2279 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2280 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2281 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2282 \ | |
| 2283 JNI_ENTRY(ResultType, \ | |
| 2284 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2285 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2286 \ | |
| 2287 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2288 ResultType ret = 0;\ | |
| 2289 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2290 (const ResultType&)ret);\ | |
| 2291 \ | |
| 2292 va_list args; \ | |
| 2293 va_start(args, methodID); \ | |
| 2294 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2295 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2296 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2297 va_end(args); \ | |
| 2298 ret = jvalue.get_##ResultType(); \ | |
| 2299 return ret;\ | |
| 2300 JNI_END \ | |
| 2301 \ | |
| 2302 JNI_ENTRY(ResultType, \ | |
| 2303 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2304 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2305 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2306 ResultType ret = 0;\ | |
| 2307 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2308 (const ResultType&)ret);\ | |
| 2309 \ | |
| 2310 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2311 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2312 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2313 ret = jvalue.get_##ResultType(); \ | |
| 2314 return ret;\ | |
| 2315 JNI_END \ | |
| 2316 \ | |
| 2317 JNI_ENTRY(ResultType, \ | |
| 2318 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2319 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2320 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2321 ResultType ret = 0;\ | |
| 2322 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2323 (const ResultType&)ret);\ | |
| 2324 \ | |
| 2325 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2326 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2327 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2328 ret = jvalue.get_##ResultType(); \ | |
| 2329 return ret;\ | |
| 2330 JNI_END | |
| 2331 | |
| 2332 // the runtime type of subword integral basic types is integer | |
| 2333 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2334 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2335 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2336 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2337 | |
| 2338 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2339 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2340 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2341 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2342 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2343 | |
| 2344 | |
| 2345 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2346 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2347 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2348 | |
| 4006 | 2349 #else /* USDT2 */ |
| 2350 | |
| 2351 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2352 , EntryProbe, ResultProbe) \ | |
| 2353 \ | |
| 2354 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2355 , ResultProbe); \ | |
| 2356 \ | |
| 2357 JNI_ENTRY(ResultType, \ | |
| 2358 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2359 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2360 \ | |
| 2361 EntryProbe; \ | |
| 2362 ResultType ret = 0;\ | |
| 2363 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2364 (const ResultType&)ret);\ | |
| 2365 \ | |
| 2366 va_list args; \ | |
| 2367 va_start(args, methodID); \ | |
| 2368 JavaValue jvalue(Tag); \ | |
| 2369 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2370 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2371 va_end(args); \ | |
| 2372 ret = jvalue.get_##ResultType(); \ | |
| 2373 return ret;\ | |
| 2374 JNI_END | |
| 2375 | |
| 2376 // the runtime type of subword integral basic types is integer | |
| 2377 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2378 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2379 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2380 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2381 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2382 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2383 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2384 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2385 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2386 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2387 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2388 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2389 | |
| 2390 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2391 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2392 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2393 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2394 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2395 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2396 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2397 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2398 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2399 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2400 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2401 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2402 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2403 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2404 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2405 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2406 | |
| 2407 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2408 , EntryProbe, ResultProbe) \ | |
| 2409 \ | |
| 2410 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2411 , ResultProbe); \ | |
| 2412 \ | |
| 2413 JNI_ENTRY(ResultType, \ | |
| 2414 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2415 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2416 \ | |
| 2417 EntryProbe; \ | |
| 2418 ResultType ret = 0;\ | |
| 2419 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2420 (const ResultType&)ret);\ | |
| 2421 \ | |
| 2422 JavaValue jvalue(Tag); \ | |
| 2423 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2424 /* Make sure class is initialized before trying to invoke its method */ \ | |
| 2425 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls))); \ | |
| 2426 Klass::cast(k())->initialize(CHECK_0); \ | |
| 2427 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2428 va_end(args); \ | |
| 2429 ret = jvalue.get_##ResultType(); \ | |
| 2430 return ret;\ | |
| 2431 JNI_END | |
| 2432 | |
| 2433 // the runtime type of subword integral basic types is integer | |
| 2434 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2435 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2436 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2437 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2438 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2439 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2440 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2441 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2442 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2443 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2444 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2445 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2446 | |
| 2447 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2448 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2449 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2450 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2451 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2452 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2453 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2454 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2455 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2456 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2457 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2458 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2459 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2460 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2461 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2462 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2463 | |
| 2464 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2465 , EntryProbe, ResultProbe) \ | |
| 2466 \ | |
| 2467 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2468 , ResultProbe); \ | |
| 2469 \ | |
| 2470 JNI_ENTRY(ResultType, \ | |
| 2471 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2472 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2473 \ | |
| 2474 EntryProbe; \ | |
| 2475 ResultType ret = 0;\ | |
| 2476 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2477 (const ResultType&)ret);\ | |
| 2478 \ | |
| 2479 JavaValue jvalue(Tag); \ | |
| 2480 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2481 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2482 ret = jvalue.get_##ResultType(); \ | |
| 2483 return ret;\ | |
| 2484 JNI_END | |
| 2485 | |
| 2486 // the runtime type of subword integral basic types is integer | |
| 2487 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2488 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2489 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2490 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2491 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2492 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2493 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2494 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2495 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2496 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2497 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2498 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2499 | |
| 2500 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2501 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2502 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2503 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2504 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2505 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2506 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2507 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2508 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2509 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2510 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2511 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2512 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2513 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2514 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2515 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2516 | |
| 2517 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2518 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2519 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2520 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2521 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2522 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2523 #endif /* USDT2 */ | |
| 2524 | |
| 0 | 2525 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2526 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2527 #ifndef USDT2 |
| 0 | 2528 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2529 #else /* USDT2 */ |
| 2530 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2531 env, cls, (uintptr_t) methodID); | |
| 2532 #endif /* USDT2 */ | |
| 0 | 2533 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2534 | |
| 2535 va_list args; | |
| 2536 va_start(args, methodID); | |
| 2537 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2538 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2539 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2540 va_end(args); | |
| 2541 JNI_END | |
| 2542 | |
| 2543 | |
| 2544 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2545 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2546 #ifndef USDT2 |
| 0 | 2547 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2548 #else /* USDT2 */ |
| 2549 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2550 env, cls, (uintptr_t) methodID); | |
| 2551 #endif /* USDT2 */ | |
| 0 | 2552 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2553 | |
| 2554 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2555 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2556 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2557 JNI_END | |
| 2558 | |
| 2559 | |
| 2560 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2561 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2562 #ifndef USDT2 |
| 0 | 2563 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2564 #else /* USDT2 */ |
| 2565 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2566 env, cls, (uintptr_t) methodID); | |
| 2567 #endif /* USDT2 */ | |
| 0 | 2568 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2569 | |
| 2570 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2571 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2572 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2573 JNI_END | |
| 2574 | |
| 2575 | |
| 2576 // | |
| 2577 // Accessing Fields | |
| 2578 // | |
| 2579 | |
| 2580 | |
| 4006 | 2581 #ifndef USDT2 |
| 0 | 2582 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2583 #else /* USDT2 */ |
| 2584 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2585 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2586 #endif /* USDT2 */ | |
| 0 | 2587 |
| 2588 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2589 const char *name, const char *sig)) | |
| 2590 JNIWrapper("GetFieldID"); | |
| 4006 | 2591 #ifndef USDT2 |
| 0 | 2592 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2593 #else /* USDT2 */ |
| 2594 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2595 env, clazz, (char *) name, (char *) sig); | |
| 2596 #endif /* USDT2 */ | |
| 0 | 2597 jfieldID ret = 0; |
| 2598 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2599 | |
| 2600 // The class should have been loaded (we have an instance of the class | |
| 2601 // passed in) so the field and signature should already be in the symbol | |
| 2602 // table. If they're not there, the field doesn't exist. | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2603 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2604 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2605 if (fieldname == NULL || signame == NULL) { |
| 0 | 2606 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2607 } | |
| 2608 KlassHandle k(THREAD, | |
| 2609 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 2610 // Make sure class is initialized before handing id's out to fields | |
| 2611 Klass::cast(k())->initialize(CHECK_NULL); | |
| 2612 | |
| 2613 fieldDescriptor fd; | |
| 2614 if (!Klass::cast(k())->oop_is_instance() || | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2615 !instanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2616 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2617 } | |
| 2618 | |
| 2619 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2620 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2621 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2622 return ret; | |
| 2623 JNI_END | |
| 2624 | |
| 2625 | |
| 2626 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2627 JNIWrapper("GetObjectField"); | |
| 4006 | 2628 #ifndef USDT2 |
| 0 | 2629 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2630 #else /* USDT2 */ |
| 2631 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2632 env, obj, (uintptr_t) fieldID); | |
| 2633 #endif /* USDT2 */ | |
| 0 | 2634 oop o = JNIHandles::resolve_non_null(obj); |
| 2635 klassOop k = o->klass(); | |
| 2636 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2637 // Keep JVMTI addition small and only check enabled flag here. | |
| 2638 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2639 if (JvmtiExport::should_post_field_access()) { | |
| 2640 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2641 } | |
| 2642 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2643 #ifndef SERIALGC |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2644 // If G1 is enabled and we are accessing the value of the referent |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2645 // field in a reference object then we need to register a non-null |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2646 // referent with the SATB barrier. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2647 if (UseG1GC) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2648 bool needs_barrier = false; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2649 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2650 if (ret != NULL && |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2651 offset == java_lang_ref_Reference::referent_offset && |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2652 instanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2653 assert(instanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2654 needs_barrier = true; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2655 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2656 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2657 if (needs_barrier) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2658 oop referent = JNIHandles::resolve(ret); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2659 G1SATBCardTableModRefBS::enqueue(referent); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2660 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2661 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2662 #endif // SERIALGC |
| 4006 | 2663 #ifndef USDT2 |
| 0 | 2664 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2665 #else /* USDT2 */ |
| 2666 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2667 ret); | |
| 2668 #endif /* USDT2 */ | |
| 0 | 2669 return ret; |
| 2670 JNI_END | |
| 2671 | |
| 2672 | |
| 4006 | 2673 #ifndef USDT2 |
| 0 | 2674 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2675 \ | |
| 2676 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2677 \ | |
| 2678 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2679 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2680 \ | |
| 2681 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2682 Return ret = 0;\ | |
| 2683 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2684 \ | |
| 2685 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2686 klassOop k = o->klass(); \ | |
| 2687 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2688 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2689 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2690 /* and creates a ResetNoHandleMark. */ \ | |
| 2691 if (JvmtiExport::should_post_field_access()) { \ | |
| 2692 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2693 } \ | |
| 2694 ret = o->Fieldname##_field(offset); \ | |
| 2695 return ret; \ | |
| 2696 JNI_END | |
| 2697 | |
| 2698 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2699 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2700 DEFINE_GETFIELD(jchar, char, Char) | |
| 2701 DEFINE_GETFIELD(jshort, short, Short) | |
| 2702 DEFINE_GETFIELD(jint, int, Int) | |
| 2703 DEFINE_GETFIELD(jlong, long, Long) | |
| 2704 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2705 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2706 | |
| 4006 | 2707 #else /* USDT2 */ |
| 2708 | |
| 2709 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2710 , EntryProbe, ReturnProbe) \ | |
| 2711 \ | |
| 2712 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2713 , ReturnProbe); \ | |
| 2714 \ | |
| 2715 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2716 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2717 \ | |
| 2718 EntryProbe; \ | |
| 2719 Return ret = 0;\ | |
| 2720 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2721 \ | |
| 2722 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2723 klassOop k = o->klass(); \ | |
| 2724 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2725 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2726 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2727 /* and creates a ResetNoHandleMark. */ \ | |
| 2728 if (JvmtiExport::should_post_field_access()) { \ | |
| 2729 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2730 } \ | |
| 2731 ret = o->Fieldname##_field(offset); \ | |
| 2732 return ret; \ | |
| 2733 JNI_END | |
| 2734 | |
| 2735 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2736 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2737 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2738 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2739 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2740 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2741 DEFINE_GETFIELD(jchar, char, Char | |
| 2742 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2743 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2744 DEFINE_GETFIELD(jshort, short, Short | |
| 2745 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2746 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2747 DEFINE_GETFIELD(jint, int, Int | |
| 2748 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2749 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2750 DEFINE_GETFIELD(jlong, long, Long | |
| 2751 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2752 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2753 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2754 DEFINE_GETFIELD(jfloat, float, Float | |
| 2755 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2756 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2757 DEFINE_GETFIELD(jdouble, double, Double | |
| 2758 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2759 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2760 #endif /* USDT2 */ | |
| 2761 | |
| 0 | 2762 address jni_GetBooleanField_addr() { |
| 2763 return (address)jni_GetBooleanField; | |
| 2764 } | |
| 2765 address jni_GetByteField_addr() { | |
| 2766 return (address)jni_GetByteField; | |
| 2767 } | |
| 2768 address jni_GetCharField_addr() { | |
| 2769 return (address)jni_GetCharField; | |
| 2770 } | |
| 2771 address jni_GetShortField_addr() { | |
| 2772 return (address)jni_GetShortField; | |
| 2773 } | |
| 2774 address jni_GetIntField_addr() { | |
| 2775 return (address)jni_GetIntField; | |
| 2776 } | |
| 2777 address jni_GetLongField_addr() { | |
| 2778 return (address)jni_GetLongField; | |
| 2779 } | |
| 2780 address jni_GetFloatField_addr() { | |
| 2781 return (address)jni_GetFloatField; | |
| 2782 } | |
| 2783 address jni_GetDoubleField_addr() { | |
| 2784 return (address)jni_GetDoubleField; | |
| 2785 } | |
| 2786 | |
| 2787 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2788 JNIWrapper("SetObjectField"); | |
| 4006 | 2789 #ifndef USDT2 |
| 0 | 2790 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2791 #else /* USDT2 */ |
| 2792 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2793 env, obj, (uintptr_t) fieldID, value); | |
| 2794 #endif /* USDT2 */ | |
| 0 | 2795 oop o = JNIHandles::resolve_non_null(obj); |
| 2796 klassOop k = o->klass(); | |
| 2797 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2798 // Keep JVMTI addition small and only check enabled flag here. | |
| 2799 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2800 // and creates a ResetNoHandleMark. | |
| 2801 if (JvmtiExport::should_post_field_modification()) { | |
| 2802 jvalue field_value; | |
| 2803 field_value.l = value; | |
| 2804 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2805 } | |
| 2806 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2807 #ifndef USDT2 |
| 0 | 2808 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2809 #else /* USDT2 */ |
| 2810 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2811 ); | |
| 2812 #endif /* USDT2 */ | |
| 0 | 2813 JNI_END |
| 2814 | |
| 4006 | 2815 #ifndef USDT2 |
| 0 | 2816 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2817 \ | |
| 2818 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2819 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2820 \ | |
| 2821 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, Set##Result##Field__entry, \ | |
| 2822 ( JNIEnv*, jobject, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
| 2823 HS_DTRACE_PROBE_N(hotspot_jni, Set##Result##Field__entry, \ | |
| 2824 ( env, obj, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
| 2825 \ | |
| 2826 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2827 klassOop k = o->klass(); \ | |
| 2828 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2829 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2830 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2831 /* and creates a ResetNoHandleMark. */ \ | |
| 2832 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2833 jvalue field_value; \ | |
| 2834 field_value.unionType = value; \ | |
| 2835 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2836 } \ | |
| 2837 o->Fieldname##_field_put(offset, value); \ | |
| 2838 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2839 JNI_END | |
| 2840 | |
| 2841 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2842 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2843 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2844 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2845 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2846 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2847 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2848 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2849 | |
| 4006 | 2850 #else /* USDT2 */ |
| 2851 | |
| 2852 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2853 , EntryProbe, ReturnProbe) \ | |
| 2854 \ | |
| 2855 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2856 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2857 \ | |
| 2858 EntryProbe; \ | |
| 2859 \ | |
| 2860 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2861 klassOop k = o->klass(); \ | |
| 2862 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2863 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2864 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2865 /* and creates a ResetNoHandleMark. */ \ | |
| 2866 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2867 jvalue field_value; \ | |
| 2868 field_value.unionType = value; \ | |
| 2869 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2870 } \ | |
| 2871 o->Fieldname##_field_put(offset, value); \ | |
| 2872 ReturnProbe; \ | |
| 2873 JNI_END | |
| 2874 | |
| 2875 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2876 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2877 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2878 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2879 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2880 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2881 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2882 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2883 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2884 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2885 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2886 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2887 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2888 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2889 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2890 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2891 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2892 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2893 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2894 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2895 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2896 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2897 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2898 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2899 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2900 #endif /* USDT2 */ | |
| 2901 | |
| 2902 #ifndef USDT2 | |
| 0 | 2903 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2904 #else /* USDT2 */ |
| 2905 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2906 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2907 #endif /* USDT2 */ | |
| 0 | 2908 |
| 2909 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2910 JNIWrapper("ToReflectedField"); | |
| 4006 | 2911 #ifndef USDT2 |
| 0 | 2912 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2913 env, cls, fieldID, isStatic); | |
| 4006 | 2914 #else /* USDT2 */ |
| 2915 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2916 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2917 #endif /* USDT2 */ | |
| 0 | 2918 jobject ret = NULL; |
| 2919 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2920 | |
| 2921 fieldDescriptor fd; | |
| 2922 bool found = false; | |
| 2923 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls)); | |
| 2924 | |
| 2925 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2926 | |
| 2927 if (isStatic) { | |
| 2928 // Static field. The fieldID a JNIid specifying the field holder and the offset within the klassOop. | |
| 2929 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
| 2930 assert(id->is_static_field_id(), "invalid static field id"); | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
2931 found = id->find_local_field(&fd); |
| 0 | 2932 } else { |
| 2933 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2934 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2935 found = instanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); | |
| 2936 } | |
| 2937 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2938 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2939 ret = JNIHandles::make_local(env, reflected); | |
| 2940 return ret; | |
| 2941 JNI_END | |
| 2942 | |
| 2943 | |
| 2944 // | |
| 2945 // Accessing Static Fields | |
| 2946 // | |
| 4006 | 2947 #ifndef USDT2 |
| 0 | 2948 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2949 #else /* USDT2 */ |
| 2950 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2951 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2952 #endif /* USDT2 */ | |
| 0 | 2953 |
| 2954 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2955 const char *name, const char *sig)) | |
| 2956 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2957 #ifndef USDT2 |
| 0 | 2958 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2959 #else /* USDT2 */ |
| 2960 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2961 env, clazz, (char *) name, (char *) sig); | |
| 2962 #endif /* USDT2 */ | |
| 0 | 2963 jfieldID ret = NULL; |
| 2964 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2965 | |
| 2966 // The class should have been loaded (we have an instance of the class | |
| 2967 // passed in) so the field and signature should already be in the symbol | |
| 2968 // table. If they're not there, the field doesn't exist. | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2969 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2970 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2971 if (fieldname == NULL || signame == NULL) { |
| 0 | 2972 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2973 } | |
| 2974 KlassHandle k(THREAD, | |
| 2975 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 2976 // Make sure class is initialized before handing id's out to static fields | |
| 2977 Klass::cast(k())->initialize(CHECK_NULL); | |
| 2978 | |
| 2979 fieldDescriptor fd; | |
| 2980 if (!Klass::cast(k())->oop_is_instance() || | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2981 !instanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2982 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2983 } | |
| 2984 | |
| 2985 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
| 2986 JNIid* id = instanceKlass::cast(fd.field_holder())->jni_id_for(fd.offset()); | |
| 2987 debug_only(id->set_is_static_field_id();) | |
| 2988 | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
2989 debug_only(id->verify(fd.field_holder())); |
| 0 | 2990 |
| 2991 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2992 return ret; | |
| 2993 JNI_END | |
| 2994 | |
| 2995 | |
| 2996 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2997 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2998 #ifndef USDT2 |
| 0 | 2999 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 3000 #else /* USDT2 */ |
| 3001 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 3002 env, clazz, (uintptr_t) fieldID); | |
| 3003 #endif /* USDT2 */ | |
| 0 | 3004 #ifndef JNICHECK_KERNEL |
| 3005 DEBUG_ONLY(klassOop param_k = jniCheck::validate_class(thread, clazz);) | |
| 3006 #endif // JNICHECK_KERNEL | |
| 3007 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
| 3008 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3009 // Keep JVMTI addition small and only check enabled flag here. | |
| 3010 // jni_GetField_probe() assumes that is okay to create handles. | |
| 3011 if (JvmtiExport::should_post_field_access()) { | |
| 3012 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 3013 } | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3014 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 3015 #ifndef USDT2 |
| 0 | 3016 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 3017 #else /* USDT2 */ |
| 3018 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 3019 ret); | |
| 3020 #endif /* USDT2 */ | |
| 0 | 3021 return ret; |
| 3022 JNI_END | |
| 3023 | |
| 4006 | 3024 #ifndef USDT2 |
| 0 | 3025 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3026 \ | |
| 3027 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3028 \ | |
| 3029 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3030 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3031 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3032 Return ret = 0;\ | |
| 3033 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3034 (const Return&)ret);\ | |
| 3035 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3036 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3037 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3038 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3039 if (JvmtiExport::should_post_field_access()) { \ | |
| 3040 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3041 } \ | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3042 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3043 return ret;\ |
| 3044 JNI_END | |
| 3045 | |
| 3046 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3047 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3048 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3049 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3050 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3051 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3052 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3053 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3054 | |
| 4006 | 3055 #else /* USDT2 */ |
| 3056 | |
| 3057 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3058 , EntryProbe, ReturnProbe) \ | |
| 3059 \ | |
| 3060 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3061 , ReturnProbe); \ | |
| 3062 \ | |
| 3063 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3064 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3065 EntryProbe; \ | |
| 3066 Return ret = 0;\ | |
| 3067 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3068 (const Return&)ret);\ | |
| 3069 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3070 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3071 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3072 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3073 if (JvmtiExport::should_post_field_access()) { \ | |
| 3074 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3075 } \ | |
| 3076 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3077 return ret;\ | |
| 3078 JNI_END | |
| 3079 | |
| 3080 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3081 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3082 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3083 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3084 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3085 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3086 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3087 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3088 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3089 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3090 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3091 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3092 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3093 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3094 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3095 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3096 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3097 #endif /* USDT2 */ | |
| 0 | 3098 |
| 3099 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3100 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3101 #ifndef USDT2 |
| 0 | 3102 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3103 #else /* USDT2 */ |
| 3104 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3105 env, clazz, (uintptr_t) fieldID, value); | |
| 3106 #endif /* USDT2 */ | |
| 0 | 3107 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3108 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3109 // Keep JVMTI addition small and only check enabled flag here. | |
| 3110 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3111 if (JvmtiExport::should_post_field_modification()) { | |
| 3112 jvalue field_value; | |
| 3113 field_value.l = value; | |
| 3114 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3115 } | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3116 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3117 #ifndef USDT2 |
| 0 | 3118 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3119 #else /* USDT2 */ |
| 3120 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3121 ); | |
| 3122 #endif /* USDT2 */ | |
| 0 | 3123 JNI_END |
| 3124 | |
| 3125 | |
| 4006 | 3126 #ifndef USDT2 |
| 0 | 3127 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3128 \ | |
| 3129 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3130 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3131 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, SetStatic##Result##Field__entry,\ | |
| 3132 ( JNIEnv*, jclass, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
| 3133 HS_DTRACE_PROBE_N(hotspot_jni, SetStatic##Result##Field__entry, \ | |
| 3134 ( env, clazz, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
| 3135 \ | |
| 3136 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3137 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3138 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3139 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3140 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3141 jvalue field_value; \ | |
| 3142 field_value.unionType = value; \ | |
| 3143 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3144 } \ | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3145 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3146 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3147 JNI_END | |
| 3148 | |
| 3149 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3150 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3151 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3152 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3153 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3154 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3155 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3156 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3157 | |
| 4006 | 3158 #else /* USDT2 */ |
| 3159 | |
| 3160 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3161 , EntryProbe, ReturnProbe) \ | |
| 3162 \ | |
| 3163 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3164 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3165 EntryProbe; \ | |
| 3166 \ | |
| 3167 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3168 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3169 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3170 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3171 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3172 jvalue field_value; \ | |
| 3173 field_value.unionType = value; \ | |
| 3174 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3175 } \ | |
| 3176 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3177 ReturnProbe;\ | |
| 3178 JNI_END | |
| 3179 | |
| 3180 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3181 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3182 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3183 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3184 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3185 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3186 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3187 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3188 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3189 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3190 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3191 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3192 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3193 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3194 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3195 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3196 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3197 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3198 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3199 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3200 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3201 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3202 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3203 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3204 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3205 #endif /* USDT2 */ | |
| 0 | 3206 |
| 3207 // | |
| 3208 // String Operations | |
| 3209 // | |
| 3210 | |
| 3211 // Unicode Interface | |
| 3212 | |
| 4006 | 3213 #ifndef USDT2 |
| 0 | 3214 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3215 #else /* USDT2 */ |
| 3216 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3217 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3218 #endif /* USDT2 */ | |
| 0 | 3219 |
| 3220 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3221 JNIWrapper("NewString"); | |
| 4006 | 3222 #ifndef USDT2 |
| 0 | 3223 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3224 #else /* USDT2 */ |
| 3225 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3226 env, (uint16_t *) unicodeChars, len); | |
| 3227 #endif /* USDT2 */ | |
| 0 | 3228 jstring ret = NULL; |
| 3229 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3230 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3231 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3232 return ret; | |
| 3233 JNI_END | |
| 3234 | |
| 3235 | |
| 3236 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3237 JNIWrapper("GetStringLength"); | |
| 4006 | 3238 #ifndef USDT2 |
| 0 | 3239 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3240 #else /* USDT2 */ |
| 3241 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3242 env, string); | |
| 3243 #endif /* USDT2 */ | |
| 0 | 3244 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3245 #ifndef USDT2 |
| 0 | 3246 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3247 #else /* USDT2 */ |
| 3248 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3249 ret); | |
| 3250 #endif /* USDT2 */ | |
| 0 | 3251 return ret; |
| 3252 JNI_END | |
| 3253 | |
| 3254 | |
| 3255 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3256 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3257 JNIWrapper("GetStringChars"); | |
| 4006 | 3258 #ifndef USDT2 |
| 0 | 3259 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3260 #else /* USDT2 */ |
| 3261 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3262 env, string, (uintptr_t *) isCopy); | |
| 3263 #endif /* USDT2 */ | |
| 0 | 3264 //%note jni_5 |
| 3265 if (isCopy != NULL) { | |
| 3266 *isCopy = JNI_TRUE; | |
| 3267 } | |
| 3268 oop s = JNIHandles::resolve_non_null(string); | |
| 3269 int s_len = java_lang_String::length(s); | |
| 3270 typeArrayOop s_value = java_lang_String::value(s); | |
| 3271 int s_offset = java_lang_String::offset(s); | |
| 3272 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1); // add one for zero termination | |
| 3273 if (s_len > 0) { | |
| 3274 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
| 3275 } | |
| 3276 buf[s_len] = 0; | |
| 4006 | 3277 #ifndef USDT2 |
| 0 | 3278 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3279 #else /* USDT2 */ |
| 3280 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3281 buf); | |
| 3282 #endif /* USDT2 */ | |
| 0 | 3283 return buf; |
| 3284 JNI_END | |
| 3285 | |
| 3286 | |
| 3287 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3288 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3289 #ifndef USDT2 |
| 0 | 3290 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3291 #else /* USDT2 */ |
| 3292 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3293 env, str, (uint16_t *) chars); | |
| 3294 #endif /* USDT2 */ | |
| 0 | 3295 //%note jni_6 |
| 3296 if (chars != NULL) { | |
| 3297 // Since String objects are supposed to be immutable, don't copy any | |
| 3298 // new data back. A bad user will have to go after the char array. | |
| 3299 FreeHeap((void*) chars); | |
| 3300 } | |
| 4006 | 3301 #ifndef USDT2 |
| 0 | 3302 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3303 #else /* USDT2 */ |
| 3304 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3305 ); | |
| 3306 #endif /* USDT2 */ | |
| 0 | 3307 JNI_END |
| 3308 | |
| 3309 | |
| 3310 // UTF Interface | |
| 3311 | |
| 4006 | 3312 #ifndef USDT2 |
| 0 | 3313 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3314 #else /* USDT2 */ |
| 3315 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3316 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3317 #endif /* USDT2 */ | |
| 0 | 3318 |
| 3319 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3320 JNIWrapper("NewStringUTF"); | |
| 4006 | 3321 #ifndef USDT2 |
| 0 | 3322 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3323 #else /* USDT2 */ |
| 3324 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3325 env, (char *) bytes); | |
| 3326 #endif /* USDT2 */ | |
| 0 | 3327 jstring ret; |
| 3328 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3329 | |
| 3330 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3331 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3332 return ret; | |
| 3333 JNI_END | |
| 3334 | |
| 3335 | |
| 3336 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3337 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3338 #ifndef USDT2 |
| 0 | 3339 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3340 #else /* USDT2 */ |
| 3341 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3342 env, string); | |
| 3343 #endif /* USDT2 */ | |
| 0 | 3344 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3345 #ifndef USDT2 |
| 0 | 3346 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3347 #else /* USDT2 */ |
| 3348 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3349 ret); | |
| 3350 #endif /* USDT2 */ | |
| 0 | 3351 return ret; |
| 3352 JNI_END | |
| 3353 | |
| 3354 | |
| 3355 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3356 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3357 #ifndef USDT2 |
| 0 | 3358 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3359 #else /* USDT2 */ |
| 3360 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3361 env, string, (uintptr_t *) isCopy); | |
| 3362 #endif /* USDT2 */ | |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3363 oop java_string = JNIHandles::resolve_non_null(string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3364 size_t length = java_lang_String::utf8_length(java_string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3365 char* result = AllocateHeap(length + 1, "GetStringUTFChars"); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3366 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
| 0 | 3367 if (isCopy != NULL) *isCopy = JNI_TRUE; |
| 4006 | 3368 #ifndef USDT2 |
| 0 | 3369 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3370 #else /* USDT2 */ |
| 3371 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3372 result); | |
| 3373 #endif /* USDT2 */ | |
| 0 | 3374 return result; |
| 3375 JNI_END | |
| 3376 | |
| 3377 | |
| 3378 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3379 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3380 #ifndef USDT2 |
| 0 | 3381 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3382 #else /* USDT2 */ |
| 3383 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3384 env, str, (char *) chars); | |
| 3385 #endif /* USDT2 */ | |
| 0 | 3386 if (chars != NULL) { |
| 3387 FreeHeap((char*) chars); | |
| 3388 } | |
| 4006 | 3389 #ifndef USDT2 |
| 0 | 3390 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3391 #else /* USDT2 */ |
| 3392 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3393 ); | |
| 3394 #endif /* USDT2 */ | |
| 0 | 3395 JNI_END |
| 3396 | |
| 3397 | |
| 3398 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3399 JNIWrapper("GetArrayLength"); | |
| 4006 | 3400 #ifndef USDT2 |
| 0 | 3401 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3402 #else /* USDT2 */ |
| 3403 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3404 env, array); | |
| 3405 #endif /* USDT2 */ | |
| 0 | 3406 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3407 assert(a->is_array(), "must be array"); | |
| 3408 jsize ret = a->length(); | |
| 4006 | 3409 #ifndef USDT2 |
| 0 | 3410 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3411 #else /* USDT2 */ |
| 3412 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3413 ret); | |
| 3414 #endif /* USDT2 */ | |
| 0 | 3415 return ret; |
| 3416 JNI_END | |
| 3417 | |
| 3418 | |
| 3419 // | |
| 3420 // Object Array Operations | |
| 3421 // | |
| 3422 | |
| 4006 | 3423 #ifndef USDT2 |
| 0 | 3424 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3425 #else /* USDT2 */ |
| 3426 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3427 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3428 #endif /* USDT2 */ | |
| 0 | 3429 |
| 3430 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3431 JNIWrapper("NewObjectArray"); | |
| 4006 | 3432 #ifndef USDT2 |
| 0 | 3433 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3434 #else /* USDT2 */ |
| 3435 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3436 env, length, elementClass, initialElement); | |
| 3437 #endif /* USDT2 */ | |
| 0 | 3438 jobjectArray ret = NULL; |
| 3439 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
| 3440 KlassHandle ek(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(elementClass))); | |
| 3441 klassOop ako = Klass::cast(ek())->array_klass(CHECK_NULL); | |
| 3442 KlassHandle ak = KlassHandle(THREAD, ako); | |
| 3443 objArrayKlass::cast(ak())->initialize(CHECK_NULL); | |
| 3444 objArrayOop result = objArrayKlass::cast(ak())->allocate(length, CHECK_NULL); | |
| 3445 oop initial_value = JNIHandles::resolve(initialElement); | |
| 3446 if (initial_value != NULL) { // array already initialized with NULL | |
| 3447 for (int index = 0; index < length; index++) { | |
| 3448 result->obj_at_put(index, initial_value); | |
| 3449 } | |
| 3450 } | |
| 3451 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3452 return ret; | |
| 3453 JNI_END | |
| 3454 | |
| 4006 | 3455 #ifndef USDT2 |
| 0 | 3456 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3457 #else /* USDT2 */ |
| 3458 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3459 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3460 #endif /* USDT2 */ | |
| 0 | 3461 |
| 3462 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3463 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3464 #ifndef USDT2 |
| 0 | 3465 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3466 #else /* USDT2 */ |
| 3467 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3468 env, array, index); | |
| 3469 #endif /* USDT2 */ | |
| 0 | 3470 jobject ret = NULL; |
| 3471 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3472 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3473 if (a->is_within_bounds(index)) { | |
|
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3474 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3475 return ret; |
| 3476 } else { | |
| 3477 char buf[jintAsStringSize]; | |
| 3478 sprintf(buf, "%d", index); | |
| 3479 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3480 } | |
| 3481 JNI_END | |
| 3482 | |
| 4006 | 3483 #ifndef USDT2 |
| 0 | 3484 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3485 #else /* USDT2 */ |
| 3486 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3487 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3488 #endif /* USDT2 */ | |
| 0 | 3489 |
| 3490 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3491 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3492 #ifndef USDT2 |
| 0 | 3493 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3494 #else /* USDT2 */ |
| 3495 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3496 env, array, index, value); | |
| 3497 #endif /* USDT2 */ | |
| 0 | 3498 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3499 | |
| 3500 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3501 oop v = JNIHandles::resolve(value); | |
| 3502 if (a->is_within_bounds(index)) { | |
| 3503 if (v == NULL || v->is_a(objArrayKlass::cast(a->klass())->element_klass())) { | |
| 3504 a->obj_at_put(index, v); | |
| 3505 } else { | |
| 3506 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3507 } | |
| 3508 } else { | |
| 3509 char buf[jintAsStringSize]; | |
| 3510 sprintf(buf, "%d", index); | |
| 3511 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3512 } | |
| 3513 JNI_END | |
| 3514 | |
| 3515 | |
| 4006 | 3516 #ifndef USDT2 |
| 0 | 3517 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3518 \ | |
| 4006 | 3519 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3520 \ |
| 3521 JNI_ENTRY(Return, \ | |
| 3522 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3523 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3524 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3525 Return ret = NULL;\ | |
|
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3526 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3527 \ |
| 3528 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3529 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3530 return ret;\ | |
| 3531 JNI_END | |
| 3532 | |
| 3533 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3534 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3535 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3536 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3537 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3538 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3539 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3540 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3541 | |
| 4006 | 3542 #else /* USDT2 */ |
| 3543 | |
| 3544 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3545 ,EntryProbe,ReturnProbe) \ | |
| 3546 \ | |
| 3547 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3548 , ReturnProbe); \ | |
| 3549 \ | |
| 3550 JNI_ENTRY(Return, \ | |
| 3551 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3552 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3553 EntryProbe; \ | |
| 3554 Return ret = NULL;\ | |
| 3555 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3556 \ | |
| 3557 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3558 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3559 return ret;\ | |
| 3560 JNI_END | |
| 3561 | |
| 3562 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3563 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3564 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3565 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3566 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3567 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3568 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3569 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3570 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3571 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3572 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3573 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3574 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3575 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3576 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3577 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3578 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3579 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3580 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3581 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3582 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3583 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3584 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3585 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3586 #endif /* USDT2 */ | |
| 0 | 3587 |
| 3588 // Return an address which will fault if the caller writes to it. | |
| 3589 | |
| 3590 static char* get_bad_address() { | |
| 3591 static char* bad_address = NULL; | |
| 3592 if (bad_address == NULL) { | |
| 3593 size_t size = os::vm_allocation_granularity(); | |
| 3594 bad_address = os::reserve_memory(size); | |
| 3595 if (bad_address != NULL) { | |
|
477
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
237
diff
changeset
|
3596 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
237
diff
changeset
|
3597 /*is_committed*/false); |
| 0 | 3598 } |
| 3599 } | |
| 3600 return bad_address; | |
| 3601 } | |
| 3602 | |
| 3603 | |
| 4006 | 3604 #ifndef USDT2 |
| 0 | 3605 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3606 \ | |
| 3607 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3608 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3609 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3610 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3611 /* allocate an chunk of memory in c land */ \ | |
| 3612 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3613 ElementType* result; \ | |
| 3614 int len = a->length(); \ | |
| 3615 if (len == 0) { \ | |
| 3616 /* Empty array: legal but useless, can't return NULL. \ | |
| 3617 * Return a pointer to something useless. \ | |
| 3618 * Avoid asserts in typeArrayOop. */ \ | |
| 3619 result = (ElementType*)get_bad_address(); \ | |
| 3620 } else { \ | |
| 3621 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
| 3622 /* copy the array to the c chunk */ \ | |
| 3623 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3624 } \ | |
| 3625 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3626 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3627 return result; \ | |
| 3628 JNI_END | |
| 3629 | |
| 3630 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3631 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3632 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3633 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3634 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3635 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3636 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3637 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3638 | |
| 4006 | 3639 #else /* USDT2 */ |
| 3640 | |
| 3641 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3642 , EntryProbe, ReturnProbe) \ | |
| 3643 \ | |
| 3644 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3645 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3646 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3647 EntryProbe; \ | |
| 3648 /* allocate an chunk of memory in c land */ \ | |
| 3649 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3650 ElementType* result; \ | |
| 3651 int len = a->length(); \ | |
| 3652 if (len == 0) { \ | |
| 3653 /* Empty array: legal but useless, can't return NULL. \ | |
| 3654 * Return a pointer to something useless. \ | |
| 3655 * Avoid asserts in typeArrayOop. */ \ | |
| 3656 result = (ElementType*)get_bad_address(); \ | |
| 3657 } else { \ | |
| 3658 result = NEW_C_HEAP_ARRAY(ElementType, len); \ | |
| 3659 /* copy the array to the c chunk */ \ | |
| 3660 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3661 } \ | |
| 3662 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3663 ReturnProbe; \ | |
| 3664 return result; \ | |
| 3665 JNI_END | |
| 3666 | |
| 3667 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3668 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3669 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3670 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3671 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3672 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3673 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3674 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3675 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3676 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3677 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3678 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3679 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3680 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3681 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3682 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3683 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3684 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3685 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3686 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3687 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3688 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3689 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3690 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3691 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3692 #endif /* USDT2 */ | |
| 3693 | |
| 3694 #ifndef USDT2 | |
| 0 | 3695 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3696 \ | |
| 3697 JNI_QUICK_ENTRY(void, \ | |
| 3698 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3699 ElementType *buf, jint mode)) \ | |
| 3700 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3701 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3702 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3703 int len = a->length(); \ | |
| 3704 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3705 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3706 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3707 } \ | |
| 3708 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3709 FreeHeap(buf); \ | |
| 3710 } \ | |
| 3711 } \ | |
| 3712 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3713 JNI_END | |
| 3714 | |
| 3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3721 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3722 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3723 | |
| 4006 | 3724 #else /* USDT2 */ |
| 3725 | |
| 3726 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3727 , EntryProbe, ReturnProbe);\ | |
| 3728 \ | |
| 3729 JNI_QUICK_ENTRY(void, \ | |
| 3730 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3731 ElementType *buf, jint mode)) \ | |
| 3732 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3733 EntryProbe; \ | |
| 3734 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3735 int len = a->length(); \ | |
| 3736 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3737 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3738 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3739 } \ | |
| 3740 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3741 FreeHeap(buf); \ | |
| 3742 } \ | |
| 3743 } \ | |
| 3744 ReturnProbe; \ | |
| 3745 JNI_END | |
| 3746 | |
| 3747 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3748 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3749 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3750 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3751 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3752 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3753 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3754 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3755 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3756 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3757 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3758 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3759 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3760 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3761 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3762 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3763 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3764 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3765 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3766 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3767 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3768 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3769 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3770 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3771 #endif /* USDT2 */ | |
| 3772 | |
| 3773 #ifndef USDT2 | |
| 0 | 3774 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3775 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3776 \ | |
| 3777 JNI_ENTRY(void, \ | |
| 3778 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3779 jsize len, ElementType *buf)) \ | |
| 3780 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3781 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3782 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3783 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3784 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3785 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3786 } else { \ | |
| 3787 if (len > 0) { \ | |
| 3788 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
| 3789 memcpy((u_char*) buf, \ | |
| 3790 (u_char*) src->Tag##_at_addr(start), \ | |
| 3791 len << sc); \ | |
| 3792 } \ | |
| 3793 } \ | |
| 3794 JNI_END | |
| 3795 | |
| 3796 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3797 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3798 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3799 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3800 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3801 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3802 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3803 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3804 | |
| 4006 | 3805 #else /* USDT2 */ |
| 3806 | |
| 3807 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3808 , EntryProbe, ReturnProbe); \ | |
| 3809 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3810 , ReturnProbe); \ | |
| 3811 \ | |
| 3812 JNI_ENTRY(void, \ | |
| 3813 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3814 jsize len, ElementType *buf)) \ | |
| 3815 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3816 EntryProbe; \ | |
| 3817 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3818 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3819 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3820 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3821 } else { \ | |
| 3822 if (len > 0) { \ | |
| 3823 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
| 3824 memcpy((u_char*) buf, \ | |
| 3825 (u_char*) src->Tag##_at_addr(start), \ | |
| 3826 len << sc); \ | |
| 3827 } \ | |
| 3828 } \ | |
| 3829 JNI_END | |
| 3830 | |
| 3831 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3832 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3833 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3834 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3835 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3836 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3837 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3838 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3839 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3840 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3841 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3842 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3843 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3844 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3845 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3846 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3847 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3848 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3849 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3850 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3851 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3852 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3853 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3854 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3855 #endif /* USDT2 */ | |
| 3856 | |
| 3857 #ifndef USDT2 | |
| 0 | 3858 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3859 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3860 \ | |
| 3861 JNI_ENTRY(void, \ | |
| 3862 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3863 jsize len, const ElementType *buf)) \ | |
| 3864 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3865 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3866 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3867 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3868 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3869 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3870 } else { \ | |
| 3871 if (len > 0) { \ | |
| 3872 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
| 3873 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
| 3874 (u_char*) buf, \ | |
| 3875 len << sc); \ | |
| 3876 } \ | |
| 3877 } \ | |
| 3878 JNI_END | |
| 3879 | |
| 3880 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3881 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3882 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3883 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3884 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3885 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3886 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3887 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3888 | |
| 4006 | 3889 #else /* USDT2 */ |
| 3890 | |
| 3891 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3892 , EntryProbe, ReturnProbe); \ | |
| 3893 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3894 ,ReturnProbe); \ | |
| 3895 \ | |
| 3896 JNI_ENTRY(void, \ | |
| 3897 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3898 jsize len, const ElementType *buf)) \ | |
| 3899 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3900 EntryProbe; \ | |
| 3901 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3902 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3903 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3904 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3905 } else { \ | |
| 3906 if (len > 0) { \ | |
| 3907 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
| 3908 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
| 3909 (u_char*) buf, \ | |
| 3910 len << sc); \ | |
| 3911 } \ | |
| 3912 } \ | |
| 3913 JNI_END | |
| 3914 | |
| 3915 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3916 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3917 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3918 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3919 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3920 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3921 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3922 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3923 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3924 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3925 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3926 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3927 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3928 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3929 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3930 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3931 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3932 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3933 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3934 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3935 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3936 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3937 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3938 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3939 #endif /* USDT2 */ | |
| 3940 | |
| 0 | 3941 |
| 3942 // | |
| 3943 // Interception of natives | |
| 3944 // | |
| 3945 | |
| 3946 // The RegisterNatives call being attempted tried to register with a method that | |
| 3947 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3948 // to see if the native method is now wrapped with the prefixes. See the | |
| 3949 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
| 3950 static methodOop find_prefixed_native(KlassHandle k, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3951 Symbol* name, Symbol* signature, TRAPS) { |
| 0 | 3952 ResourceMark rm(THREAD); |
| 3953 methodOop method; | |
| 3954 int name_len = name->utf8_length(); | |
| 3955 char* name_str = name->as_utf8(); | |
| 3956 int prefix_count; | |
| 3957 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3958 for (int i = 0; i < prefix_count; i++) { | |
| 3959 char* prefix = prefixes[i]; | |
| 3960 int prefix_len = (int)strlen(prefix); | |
| 3961 | |
| 3962 // try adding this prefix to the method name and see if it matches another method name | |
| 3963 int trial_len = name_len + prefix_len; | |
| 3964 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3965 strcpy(trial_name_str, prefix); | |
| 3966 strcat(trial_name_str, name_str); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3967 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3968 if (trial_name == NULL) { |
| 0 | 3969 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3970 } | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3971 method = Klass::cast(k())->lookup_method(trial_name, signature); |
| 0 | 3972 if (method == NULL) { |
| 3973 continue; // signature doesn't match, try the next prefix | |
| 3974 } | |
| 3975 if (method->is_native()) { | |
| 3976 method->set_is_prefixed_native(); | |
| 3977 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3978 } | |
| 3979 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3980 name_len = trial_len; | |
| 3981 name_str = trial_name_str; | |
| 3982 } | |
| 3983 return NULL; // not found | |
| 3984 } | |
| 3985 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3986 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3987 methodOop method = Klass::cast(k())->lookup_method(name, signature); |
| 0 | 3988 if (method == NULL) { |
| 3989 ResourceMark rm; | |
| 3990 stringStream st; | |
| 3991 st.print("Method %s name or signature does not match", | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3992 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
| 0 | 3993 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3994 } | |
| 3995 if (!method->is_native()) { | |
| 3996 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 3997 method = find_prefixed_native(k, name, signature, THREAD); | |
| 3998 if (method == NULL) { | |
| 3999 ResourceMark rm; | |
| 4000 stringStream st; | |
| 4001 st.print("Method %s is not declared as native", | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4002 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
| 0 | 4003 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4004 } | |
| 4005 } | |
| 4006 | |
| 4007 if (entry != NULL) { | |
| 4008 method->set_native_function(entry, | |
| 4009 methodOopDesc::native_bind_event_is_interesting); | |
| 4010 } else { | |
| 4011 method->clear_native_function(); | |
| 4012 } | |
| 4013 if (PrintJNIResolving) { | |
| 4014 ResourceMark rm(THREAD); | |
| 4015 tty->print_cr("[Registering JNI native method %s.%s]", | |
| 4016 Klass::cast(method->method_holder())->external_name(), | |
| 4017 method->name()->as_C_string()); | |
| 4018 } | |
| 4019 return true; | |
| 4020 } | |
| 4021 | |
| 4006 | 4022 #ifndef USDT2 |
| 0 | 4023 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4024 #else /* USDT2 */ |
| 4025 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4026 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4027 #endif /* USDT2 */ | |
| 0 | 4028 |
| 4029 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4030 const JNINativeMethod *methods, | |
| 4031 jint nMethods)) | |
| 4032 JNIWrapper("RegisterNatives"); | |
| 4006 | 4033 #ifndef USDT2 |
| 0 | 4034 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4035 #else /* USDT2 */ |
| 4036 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4037 env, clazz, (void *) methods, nMethods); | |
| 4038 #endif /* USDT2 */ | |
| 0 | 4039 jint ret = 0; |
| 4040 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4041 | |
| 4042 KlassHandle h_k(thread, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 4043 | |
| 4044 for (int index = 0; index < nMethods; index++) { | |
| 4045 const char* meth_name = methods[index].name; | |
| 4046 const char* meth_sig = methods[index].signature; | |
| 4047 int meth_name_len = (int)strlen(meth_name); | |
| 4048 | |
| 4049 // The class should have been loaded (we have an instance of the class | |
| 4050 // passed in) so the method and signature should already be in the symbol | |
| 4051 // table. If they're not there, the method doesn't exist. | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4052 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4053 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4054 |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4055 if (name == NULL || signature == NULL) { |
| 0 | 4056 ResourceMark rm; |
| 4057 stringStream st; | |
| 4058 st.print("Method %s.%s%s not found", Klass::cast(h_k())->external_name(), meth_name, meth_sig); | |
| 4059 // Must return negative value on failure | |
| 4060 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4061 } | |
| 4062 | |
| 4063 bool res = register_native(h_k, name, signature, | |
| 4064 (address) methods[index].fnPtr, THREAD); | |
| 4065 if (!res) { | |
| 4066 ret = -1; | |
| 4067 break; | |
| 4068 } | |
| 4069 } | |
| 4070 return ret; | |
| 4071 JNI_END | |
| 4072 | |
| 4073 | |
| 4074 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4075 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4076 #ifndef USDT2 |
| 0 | 4077 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4078 #else /* USDT2 */ |
| 4079 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4080 env, clazz); | |
| 4081 #endif /* USDT2 */ | |
| 0 | 4082 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz)); |
| 4083 //%note jni_2 | |
| 4084 if (Klass::cast(k)->oop_is_instance()) { | |
| 4085 for (int index = 0; index < instanceKlass::cast(k)->methods()->length(); index++) { | |
| 4086 methodOop m = methodOop(instanceKlass::cast(k)->methods()->obj_at(index)); | |
| 4087 if (m->is_native()) { | |
| 4088 m->clear_native_function(); | |
| 4089 m->set_signature_handler(NULL); | |
| 4090 } | |
| 4091 } | |
| 4092 } | |
| 4006 | 4093 #ifndef USDT2 |
| 0 | 4094 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4095 #else /* USDT2 */ |
| 4096 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4097 0); | |
| 4098 #endif /* USDT2 */ | |
| 0 | 4099 return 0; |
| 4100 JNI_END | |
| 4101 | |
| 4102 // | |
| 4103 // Monitor functions | |
| 4104 // | |
| 4105 | |
| 4006 | 4106 #ifndef USDT2 |
| 0 | 4107 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4108 #else /* USDT2 */ |
| 4109 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4110 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4111 #endif /* USDT2 */ | |
| 0 | 4112 |
| 4113 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4114 #ifndef USDT2 |
| 0 | 4115 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4116 #else /* USDT2 */ |
| 4117 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4118 env, jobj); | |
| 4119 #endif /* USDT2 */ | |
| 0 | 4120 jint ret = JNI_ERR; |
| 4121 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4122 | |
| 4123 // If the object is null, we can't do anything with it | |
| 4124 if (jobj == NULL) { | |
| 4125 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4126 } | |
| 4127 | |
| 4128 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4129 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4130 ret = JNI_OK; | |
| 4131 return ret; | |
| 4132 JNI_END | |
| 4133 | |
| 4006 | 4134 #ifndef USDT2 |
| 0 | 4135 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4136 #else /* USDT2 */ |
| 4137 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4138 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4139 #endif /* USDT2 */ | |
| 0 | 4140 |
| 4141 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4142 #ifndef USDT2 |
| 0 | 4143 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4144 #else /* USDT2 */ |
| 4145 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4146 env, jobj); | |
| 4147 #endif /* USDT2 */ | |
| 0 | 4148 jint ret = JNI_ERR; |
| 4149 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4150 | |
| 4151 // Don't do anything with a null object | |
| 4152 if (jobj == NULL) { | |
| 4153 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4154 } | |
| 4155 | |
| 4156 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4157 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4158 | |
| 4159 ret = JNI_OK; | |
| 4160 return ret; | |
| 4161 JNI_END | |
| 4162 | |
| 4163 // | |
| 4164 // Extensions | |
| 4165 // | |
| 4166 | |
| 4006 | 4167 #ifndef USDT2 |
| 0 | 4168 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4169 #else /* USDT2 */ |
| 4170 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4171 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4172 #endif /* USDT2 */ | |
| 0 | 4173 |
| 4174 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4175 JNIWrapper("GetStringRegion"); | |
| 4006 | 4176 #ifndef USDT2 |
| 0 | 4177 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4178 #else /* USDT2 */ |
| 4179 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4180 env, string, start, len, buf); | |
| 4181 #endif /* USDT2 */ | |
| 0 | 4182 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4183 oop s = JNIHandles::resolve_non_null(string); | |
| 4184 int s_len = java_lang_String::length(s); | |
| 4185 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4186 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4187 } else { | |
| 4188 if (len > 0) { | |
| 4189 int s_offset = java_lang_String::offset(s); | |
| 4190 typeArrayOop s_value = java_lang_String::value(s); | |
| 4191 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4192 } | |
| 4193 } | |
| 4194 JNI_END | |
| 4195 | |
| 4006 | 4196 #ifndef USDT2 |
| 0 | 4197 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4198 #else /* USDT2 */ |
| 4199 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4200 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4201 #endif /* USDT2 */ | |
| 0 | 4202 |
| 4203 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4204 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4205 #ifndef USDT2 |
| 0 | 4206 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4207 #else /* USDT2 */ |
| 4208 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4209 env, string, start, len, buf); | |
| 4210 #endif /* USDT2 */ | |
| 0 | 4211 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4212 oop s = JNIHandles::resolve_non_null(string); | |
| 4213 int s_len = java_lang_String::length(s); | |
| 4214 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4215 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4216 } else { | |
| 4217 //%note jni_7 | |
| 4218 if (len > 0) { | |
| 4219 ResourceMark rm(THREAD); | |
| 4220 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4221 int utf_len = (int)strlen(utf_region); | |
| 4222 memcpy(buf, utf_region, utf_len); | |
| 4223 buf[utf_len] = 0; | |
| 4224 } else { | |
| 4225 // JDK null-terminates the buffer even in len is zero | |
| 4226 if (buf != NULL) { | |
| 4227 buf[0] = 0; | |
| 4228 } | |
| 4229 } | |
| 4230 } | |
| 4231 JNI_END | |
| 4232 | |
| 4233 | |
| 4234 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4235 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4236 #ifndef USDT2 |
| 0 | 4237 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4238 #else /* USDT2 */ |
| 4239 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4240 env, array, (uintptr_t *) isCopy); | |
| 4241 #endif /* USDT2 */ | |
| 0 | 4242 GC_locker::lock_critical(thread); |
| 4243 if (isCopy != NULL) { | |
| 4244 *isCopy = JNI_FALSE; | |
| 4245 } | |
| 4246 oop a = JNIHandles::resolve_non_null(array); | |
| 4247 assert(a->is_array(), "just checking"); | |
| 4248 BasicType type; | |
| 4249 if (a->is_objArray()) { | |
| 4250 type = T_OBJECT; | |
| 4251 } else { | |
| 4252 type = typeArrayKlass::cast(a->klass())->element_type(); | |
| 4253 } | |
| 4254 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4255 #ifndef USDT2 |
| 0 | 4256 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4257 #else /* USDT2 */ |
| 4258 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4259 ret); | |
| 4260 #endif /* USDT2 */ | |
| 0 | 4261 return ret; |
| 4262 JNI_END | |
| 4263 | |
| 4264 | |
| 4265 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4266 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4267 #ifndef USDT2 |
| 0 | 4268 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4269 #else /* USDT2 */ |
| 4270 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4271 env, array, carray, mode); | |
| 4272 #endif /* USDT2 */ | |
| 0 | 4273 // The array, carray and mode arguments are ignored |
| 4274 GC_locker::unlock_critical(thread); | |
| 4006 | 4275 #ifndef USDT2 |
| 0 | 4276 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4277 #else /* USDT2 */ |
| 4278 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4279 ); | |
| 4280 #endif /* USDT2 */ | |
| 0 | 4281 JNI_END |
| 4282 | |
| 4283 | |
| 4284 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4285 JNIWrapper("GetStringCritical"); | |
| 4006 | 4286 #ifndef USDT2 |
| 0 | 4287 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4288 #else /* USDT2 */ |
| 4289 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4290 env, string, (uintptr_t *) isCopy); | |
| 4291 #endif /* USDT2 */ | |
| 0 | 4292 GC_locker::lock_critical(thread); |
| 4293 if (isCopy != NULL) { | |
| 4294 *isCopy = JNI_FALSE; | |
| 4295 } | |
| 4296 oop s = JNIHandles::resolve_non_null(string); | |
| 4297 int s_len = java_lang_String::length(s); | |
| 4298 typeArrayOop s_value = java_lang_String::value(s); | |
| 4299 int s_offset = java_lang_String::offset(s); | |
| 4300 const jchar* ret; | |
| 4301 if (s_len > 0) { | |
| 4302 ret = s_value->char_at_addr(s_offset); | |
| 4303 } else { | |
| 4304 ret = (jchar*) s_value->base(T_CHAR); | |
| 4305 } | |
| 4006 | 4306 #ifndef USDT2 |
| 0 | 4307 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4308 #else /* USDT2 */ |
| 4309 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4310 (uint16_t *) ret); | |
| 4311 #endif /* USDT2 */ | |
| 0 | 4312 return ret; |
| 4313 JNI_END | |
| 4314 | |
| 4315 | |
| 4316 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4317 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4318 #ifndef USDT2 |
| 0 | 4319 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4320 #else /* USDT2 */ |
| 4321 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4322 env, str, (uint16_t *) chars); | |
| 4323 #endif /* USDT2 */ | |
| 0 | 4324 // The str and chars arguments are ignored |
| 4325 GC_locker::unlock_critical(thread); | |
| 4006 | 4326 #ifndef USDT2 |
| 0 | 4327 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4328 #else /* USDT2 */ |
| 4329 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4330 ); | |
| 4331 #endif /* USDT2 */ | |
| 0 | 4332 JNI_END |
| 4333 | |
| 4334 | |
| 4335 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4336 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4337 #ifndef USDT2 |
| 0 | 4338 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4339 #else /* USDT2 */ |
| 4340 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4341 env, ref); | |
| 4342 #endif /* USDT2 */ | |
| 0 | 4343 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4344 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4345 #ifndef USDT2 |
| 0 | 4346 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4347 #else /* USDT2 */ |
| 4348 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4349 ret); | |
| 4350 #endif /* USDT2 */ | |
| 0 | 4351 return ret; |
| 4352 JNI_END | |
| 4353 | |
| 4354 // Must be JNI_ENTRY (with HandleMark) | |
| 4355 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4356 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4357 #ifndef USDT2 |
| 0 | 4358 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4359 #else /* USDT2 */ |
| 4360 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4361 env, ref); | |
| 4362 #endif /* USDT2 */ | |
| 0 | 4363 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4364 #ifndef USDT2 |
| 0 | 4365 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4366 #else /* USDT2 */ |
| 4367 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4368 ); | |
| 4369 #endif /* USDT2 */ | |
| 0 | 4370 JNI_END |
| 4371 | |
| 4372 | |
| 4373 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4374 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4375 #ifndef USDT2 |
| 0 | 4376 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4377 #else /* USDT2 */ |
| 4378 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4379 env); | |
| 4380 #endif /* USDT2 */ | |
| 0 | 4381 jni_check_async_exceptions(thread); |
| 4382 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4383 #ifndef USDT2 |
| 0 | 4384 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4385 #else /* USDT2 */ |
| 4386 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4387 ret); | |
| 4388 #endif /* USDT2 */ | |
| 0 | 4389 return ret; |
| 4390 JNI_END | |
| 4391 | |
| 4392 | |
| 4393 // Initialization state for three routines below relating to | |
| 4394 // java.nio.DirectBuffers | |
| 4395 static jint directBufferSupportInitializeStarted = 0; | |
| 4396 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4397 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4398 static jclass bufferClass = NULL; | |
| 4399 static jclass directBufferClass = NULL; | |
| 4400 static jclass directByteBufferClass = NULL; | |
| 4401 static jmethodID directByteBufferConstructor = NULL; | |
| 4402 static jfieldID directBufferAddressField = NULL; | |
| 4403 static jfieldID bufferCapacityField = NULL; | |
| 4404 | |
| 4405 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4406 Handle loader; // null (bootstrap) loader | |
| 4407 Handle protection_domain; // null protection domain | |
| 4408 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4409 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4410 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4411 |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4412 if (TraceClassResolution && result != NULL) { |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4413 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4414 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4415 return result; |
| 0 | 4416 } |
| 4417 | |
| 4418 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4419 // circumvent any security checks that would be done by jni_FindClass. | |
| 4420 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4421 { | |
| 4422 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4423 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4424 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4425 return true; | |
| 4426 } | |
| 4427 JNI_END | |
| 4428 | |
| 4429 | |
| 4430 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4431 if (directBufferSupportInitializeFailed) { | |
| 4432 return false; | |
| 4433 } | |
| 4434 | |
| 4435 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4436 if (!lookupDirectBufferClasses(env)) { | |
| 4437 directBufferSupportInitializeFailed = 1; | |
| 4438 return false; | |
| 4439 } | |
| 4440 | |
| 4441 // Make global references for these | |
| 4442 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4443 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4444 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4445 | |
| 4446 // Get needed field and method IDs | |
| 4447 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4448 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4449 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4450 | |
| 4451 if ((directByteBufferConstructor == NULL) || | |
| 4452 (directBufferAddressField == NULL) || | |
| 4453 (bufferCapacityField == NULL)) { | |
| 4454 directBufferSupportInitializeFailed = 1; | |
| 4455 return false; | |
| 4456 } | |
| 4457 | |
| 4458 directBufferSupportInitializeEnded = 1; | |
| 4459 } else { | |
| 4460 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4461 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4462 // os::sleep which requires the VM state transition. On other platforms, it |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4463 // is not necessary. The following call to change the VM state is purposely |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4464 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4465 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4466 ThreadInVMfromNative tivn(thread); |
| 0 | 4467 os::yield_all(); |
| 4468 } | |
| 4469 } | |
| 4470 | |
| 4471 return !directBufferSupportInitializeFailed; | |
| 4472 } | |
| 4473 | |
| 4474 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4475 { | |
| 4476 // thread_from_jni_environment() will block if VM is gone. | |
| 4477 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4478 | |
| 4479 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4480 #ifndef USDT2 |
| 0 | 4481 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4482 #else /* USDT2 */ |
| 4483 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4484 env, address, capacity); | |
| 4485 #endif /* USDT2 */ | |
| 0 | 4486 |
| 4487 if (!directBufferSupportInitializeEnded) { | |
| 4488 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4489 #ifndef USDT2 |
| 0 | 4490 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4491 #else /* USDT2 */ |
| 4492 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4493 NULL); | |
| 4494 #endif /* USDT2 */ | |
| 0 | 4495 return NULL; |
| 4496 } | |
| 4497 } | |
| 4498 | |
| 4499 // Being paranoid about accidental sign extension on address | |
| 4500 jlong addr = (jlong) ((uintptr_t) address); | |
| 4501 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4502 // takes int capacity | |
| 4503 jint cap = (jint) capacity; | |
| 4504 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4505 #ifndef USDT2 |
| 0 | 4506 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4507 #else /* USDT2 */ |
| 4508 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4509 ret); | |
| 4510 #endif /* USDT2 */ | |
| 0 | 4511 return ret; |
| 4512 } | |
| 4513 | |
| 4006 | 4514 #ifndef USDT2 |
| 0 | 4515 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4516 #else /* USDT2 */ |
| 4517 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4518 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4519 #endif /* USDT2 */ | |
| 0 | 4520 |
| 4521 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4522 { | |
| 4523 // thread_from_jni_environment() will block if VM is gone. | |
| 4524 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4525 | |
| 4526 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4527 #ifndef USDT2 |
| 0 | 4528 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4529 #else /* USDT2 */ |
| 4530 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4531 env, buf); | |
| 4532 #endif /* USDT2 */ | |
| 0 | 4533 void* ret = NULL; |
| 4534 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4535 | |
| 4536 if (!directBufferSupportInitializeEnded) { | |
| 4537 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4538 return 0; | |
| 4539 } | |
| 4540 } | |
| 4541 | |
| 4542 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4543 return 0; | |
| 4544 } | |
| 4545 | |
| 4546 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4547 return ret; | |
| 4548 } | |
| 4549 | |
| 4006 | 4550 #ifndef USDT2 |
| 0 | 4551 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4552 #else /* USDT2 */ |
| 4553 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4554 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4555 #endif /* USDT2 */ | |
| 0 | 4556 |
| 4557 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4558 { | |
| 4559 // thread_from_jni_environment() will block if VM is gone. | |
| 4560 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4561 | |
| 4562 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4563 #ifndef USDT2 |
| 0 | 4564 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4565 #else /* USDT2 */ |
| 4566 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4567 env, buf); | |
| 4568 #endif /* USDT2 */ | |
| 0 | 4569 jlong ret = -1; |
| 4570 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4571 | |
| 4572 if (!directBufferSupportInitializeEnded) { | |
| 4573 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4574 ret = 0; | |
| 4575 return ret; | |
| 4576 } | |
| 4577 } | |
| 4578 | |
| 4579 if (buf == NULL) { | |
| 4580 return -1; | |
| 4581 } | |
| 4582 | |
| 4583 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4584 return -1; | |
| 4585 } | |
| 4586 | |
| 4587 // NOTE that capacity is currently an int in the implementation | |
| 4588 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4589 return ret; | |
| 4590 } | |
| 4591 | |
| 4592 | |
| 4593 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4594 JNIWrapper("GetVersion"); | |
| 4006 | 4595 #ifndef USDT2 |
| 0 | 4596 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4597 #else /* USDT2 */ |
| 4598 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4599 env); | |
| 4600 #endif /* USDT2 */ | |
| 4601 #ifndef USDT2 | |
| 0 | 4602 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4603 #else /* USDT2 */ |
| 4604 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4605 CurrentVersion); | |
| 4606 #endif /* USDT2 */ | |
| 0 | 4607 return CurrentVersion; |
| 4608 JNI_END | |
| 4609 | |
| 4610 extern struct JavaVM_ main_vm; | |
| 4611 | |
| 4612 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4613 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4614 #ifndef USDT2 |
| 0 | 4615 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4616 #else /* USDT2 */ |
| 4617 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4618 env, (void **) vm); | |
| 4619 #endif /* USDT2 */ | |
| 0 | 4620 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4621 #ifndef USDT2 |
| 0 | 4622 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4623 #else /* USDT2 */ |
| 4624 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4625 JNI_OK); | |
| 4626 #endif /* USDT2 */ | |
| 0 | 4627 return JNI_OK; |
| 4628 JNI_END | |
| 4629 | |
| 4630 // Structure containing all jni functions | |
| 4631 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4632 NULL, | |
| 4633 NULL, | |
| 4634 NULL, | |
| 4635 | |
| 4636 NULL, | |
| 4637 | |
| 4638 jni_GetVersion, | |
| 4639 | |
| 4640 jni_DefineClass, | |
| 4641 jni_FindClass, | |
| 4642 | |
| 4643 jni_FromReflectedMethod, | |
| 4644 jni_FromReflectedField, | |
| 4645 | |
| 4646 jni_ToReflectedMethod, | |
| 4647 | |
| 4648 jni_GetSuperclass, | |
| 4649 jni_IsAssignableFrom, | |
| 4650 | |
| 4651 jni_ToReflectedField, | |
| 4652 | |
| 4653 jni_Throw, | |
| 4654 jni_ThrowNew, | |
| 4655 jni_ExceptionOccurred, | |
| 4656 jni_ExceptionDescribe, | |
| 4657 jni_ExceptionClear, | |
| 4658 jni_FatalError, | |
| 4659 | |
| 4660 jni_PushLocalFrame, | |
| 4661 jni_PopLocalFrame, | |
| 4662 | |
| 4663 jni_NewGlobalRef, | |
| 4664 jni_DeleteGlobalRef, | |
| 4665 jni_DeleteLocalRef, | |
| 4666 jni_IsSameObject, | |
| 4667 | |
| 4668 jni_NewLocalRef, | |
| 4669 jni_EnsureLocalCapacity, | |
| 4670 | |
| 4671 jni_AllocObject, | |
| 4672 jni_NewObject, | |
| 4673 jni_NewObjectV, | |
| 4674 jni_NewObjectA, | |
| 4675 | |
| 4676 jni_GetObjectClass, | |
| 4677 jni_IsInstanceOf, | |
| 4678 | |
| 4679 jni_GetMethodID, | |
| 4680 | |
| 4681 jni_CallObjectMethod, | |
| 4682 jni_CallObjectMethodV, | |
| 4683 jni_CallObjectMethodA, | |
| 4684 jni_CallBooleanMethod, | |
| 4685 jni_CallBooleanMethodV, | |
| 4686 jni_CallBooleanMethodA, | |
| 4687 jni_CallByteMethod, | |
| 4688 jni_CallByteMethodV, | |
| 4689 jni_CallByteMethodA, | |
| 4690 jni_CallCharMethod, | |
| 4691 jni_CallCharMethodV, | |
| 4692 jni_CallCharMethodA, | |
| 4693 jni_CallShortMethod, | |
| 4694 jni_CallShortMethodV, | |
| 4695 jni_CallShortMethodA, | |
| 4696 jni_CallIntMethod, | |
| 4697 jni_CallIntMethodV, | |
| 4698 jni_CallIntMethodA, | |
| 4699 jni_CallLongMethod, | |
| 4700 jni_CallLongMethodV, | |
| 4701 jni_CallLongMethodA, | |
| 4702 jni_CallFloatMethod, | |
| 4703 jni_CallFloatMethodV, | |
| 4704 jni_CallFloatMethodA, | |
| 4705 jni_CallDoubleMethod, | |
| 4706 jni_CallDoubleMethodV, | |
| 4707 jni_CallDoubleMethodA, | |
| 4708 jni_CallVoidMethod, | |
| 4709 jni_CallVoidMethodV, | |
| 4710 jni_CallVoidMethodA, | |
| 4711 | |
| 4712 jni_CallNonvirtualObjectMethod, | |
| 4713 jni_CallNonvirtualObjectMethodV, | |
| 4714 jni_CallNonvirtualObjectMethodA, | |
| 4715 jni_CallNonvirtualBooleanMethod, | |
| 4716 jni_CallNonvirtualBooleanMethodV, | |
| 4717 jni_CallNonvirtualBooleanMethodA, | |
| 4718 jni_CallNonvirtualByteMethod, | |
| 4719 jni_CallNonvirtualByteMethodV, | |
| 4720 jni_CallNonvirtualByteMethodA, | |
| 4721 jni_CallNonvirtualCharMethod, | |
| 4722 jni_CallNonvirtualCharMethodV, | |
| 4723 jni_CallNonvirtualCharMethodA, | |
| 4724 jni_CallNonvirtualShortMethod, | |
| 4725 jni_CallNonvirtualShortMethodV, | |
| 4726 jni_CallNonvirtualShortMethodA, | |
| 4727 jni_CallNonvirtualIntMethod, | |
| 4728 jni_CallNonvirtualIntMethodV, | |
| 4729 jni_CallNonvirtualIntMethodA, | |
| 4730 jni_CallNonvirtualLongMethod, | |
| 4731 jni_CallNonvirtualLongMethodV, | |
| 4732 jni_CallNonvirtualLongMethodA, | |
| 4733 jni_CallNonvirtualFloatMethod, | |
| 4734 jni_CallNonvirtualFloatMethodV, | |
| 4735 jni_CallNonvirtualFloatMethodA, | |
| 4736 jni_CallNonvirtualDoubleMethod, | |
| 4737 jni_CallNonvirtualDoubleMethodV, | |
| 4738 jni_CallNonvirtualDoubleMethodA, | |
| 4739 jni_CallNonvirtualVoidMethod, | |
| 4740 jni_CallNonvirtualVoidMethodV, | |
| 4741 jni_CallNonvirtualVoidMethodA, | |
| 4742 | |
| 4743 jni_GetFieldID, | |
| 4744 | |
| 4745 jni_GetObjectField, | |
| 4746 jni_GetBooleanField, | |
| 4747 jni_GetByteField, | |
| 4748 jni_GetCharField, | |
| 4749 jni_GetShortField, | |
| 4750 jni_GetIntField, | |
| 4751 jni_GetLongField, | |
| 4752 jni_GetFloatField, | |
| 4753 jni_GetDoubleField, | |
| 4754 | |
| 4755 jni_SetObjectField, | |
| 4756 jni_SetBooleanField, | |
| 4757 jni_SetByteField, | |
| 4758 jni_SetCharField, | |
| 4759 jni_SetShortField, | |
| 4760 jni_SetIntField, | |
| 4761 jni_SetLongField, | |
| 4762 jni_SetFloatField, | |
| 4763 jni_SetDoubleField, | |
| 4764 | |
| 4765 jni_GetStaticMethodID, | |
| 4766 | |
| 4767 jni_CallStaticObjectMethod, | |
| 4768 jni_CallStaticObjectMethodV, | |
| 4769 jni_CallStaticObjectMethodA, | |
| 4770 jni_CallStaticBooleanMethod, | |
| 4771 jni_CallStaticBooleanMethodV, | |
| 4772 jni_CallStaticBooleanMethodA, | |
| 4773 jni_CallStaticByteMethod, | |
| 4774 jni_CallStaticByteMethodV, | |
| 4775 jni_CallStaticByteMethodA, | |
| 4776 jni_CallStaticCharMethod, | |
| 4777 jni_CallStaticCharMethodV, | |
| 4778 jni_CallStaticCharMethodA, | |
| 4779 jni_CallStaticShortMethod, | |
| 4780 jni_CallStaticShortMethodV, | |
| 4781 jni_CallStaticShortMethodA, | |
| 4782 jni_CallStaticIntMethod, | |
| 4783 jni_CallStaticIntMethodV, | |
| 4784 jni_CallStaticIntMethodA, | |
| 4785 jni_CallStaticLongMethod, | |
| 4786 jni_CallStaticLongMethodV, | |
| 4787 jni_CallStaticLongMethodA, | |
| 4788 jni_CallStaticFloatMethod, | |
| 4789 jni_CallStaticFloatMethodV, | |
| 4790 jni_CallStaticFloatMethodA, | |
| 4791 jni_CallStaticDoubleMethod, | |
| 4792 jni_CallStaticDoubleMethodV, | |
| 4793 jni_CallStaticDoubleMethodA, | |
| 4794 jni_CallStaticVoidMethod, | |
| 4795 jni_CallStaticVoidMethodV, | |
| 4796 jni_CallStaticVoidMethodA, | |
| 4797 | |
| 4798 jni_GetStaticFieldID, | |
| 4799 | |
| 4800 jni_GetStaticObjectField, | |
| 4801 jni_GetStaticBooleanField, | |
| 4802 jni_GetStaticByteField, | |
| 4803 jni_GetStaticCharField, | |
| 4804 jni_GetStaticShortField, | |
| 4805 jni_GetStaticIntField, | |
| 4806 jni_GetStaticLongField, | |
| 4807 jni_GetStaticFloatField, | |
| 4808 jni_GetStaticDoubleField, | |
| 4809 | |
| 4810 jni_SetStaticObjectField, | |
| 4811 jni_SetStaticBooleanField, | |
| 4812 jni_SetStaticByteField, | |
| 4813 jni_SetStaticCharField, | |
| 4814 jni_SetStaticShortField, | |
| 4815 jni_SetStaticIntField, | |
| 4816 jni_SetStaticLongField, | |
| 4817 jni_SetStaticFloatField, | |
| 4818 jni_SetStaticDoubleField, | |
| 4819 | |
| 4820 jni_NewString, | |
| 4821 jni_GetStringLength, | |
| 4822 jni_GetStringChars, | |
| 4823 jni_ReleaseStringChars, | |
| 4824 | |
| 4825 jni_NewStringUTF, | |
| 4826 jni_GetStringUTFLength, | |
| 4827 jni_GetStringUTFChars, | |
| 4828 jni_ReleaseStringUTFChars, | |
| 4829 | |
| 4830 jni_GetArrayLength, | |
| 4831 | |
| 4832 jni_NewObjectArray, | |
| 4833 jni_GetObjectArrayElement, | |
| 4834 jni_SetObjectArrayElement, | |
| 4835 | |
| 4836 jni_NewBooleanArray, | |
| 4837 jni_NewByteArray, | |
| 4838 jni_NewCharArray, | |
| 4839 jni_NewShortArray, | |
| 4840 jni_NewIntArray, | |
| 4841 jni_NewLongArray, | |
| 4842 jni_NewFloatArray, | |
| 4843 jni_NewDoubleArray, | |
| 4844 | |
| 4845 jni_GetBooleanArrayElements, | |
| 4846 jni_GetByteArrayElements, | |
| 4847 jni_GetCharArrayElements, | |
| 4848 jni_GetShortArrayElements, | |
| 4849 jni_GetIntArrayElements, | |
| 4850 jni_GetLongArrayElements, | |
| 4851 jni_GetFloatArrayElements, | |
| 4852 jni_GetDoubleArrayElements, | |
| 4853 | |
| 4854 jni_ReleaseBooleanArrayElements, | |
| 4855 jni_ReleaseByteArrayElements, | |
| 4856 jni_ReleaseCharArrayElements, | |
| 4857 jni_ReleaseShortArrayElements, | |
| 4858 jni_ReleaseIntArrayElements, | |
| 4859 jni_ReleaseLongArrayElements, | |
| 4860 jni_ReleaseFloatArrayElements, | |
| 4861 jni_ReleaseDoubleArrayElements, | |
| 4862 | |
| 4863 jni_GetBooleanArrayRegion, | |
| 4864 jni_GetByteArrayRegion, | |
| 4865 jni_GetCharArrayRegion, | |
| 4866 jni_GetShortArrayRegion, | |
| 4867 jni_GetIntArrayRegion, | |
| 4868 jni_GetLongArrayRegion, | |
| 4869 jni_GetFloatArrayRegion, | |
| 4870 jni_GetDoubleArrayRegion, | |
| 4871 | |
| 4872 jni_SetBooleanArrayRegion, | |
| 4873 jni_SetByteArrayRegion, | |
| 4874 jni_SetCharArrayRegion, | |
| 4875 jni_SetShortArrayRegion, | |
| 4876 jni_SetIntArrayRegion, | |
| 4877 jni_SetLongArrayRegion, | |
| 4878 jni_SetFloatArrayRegion, | |
| 4879 jni_SetDoubleArrayRegion, | |
| 4880 | |
| 4881 jni_RegisterNatives, | |
| 4882 jni_UnregisterNatives, | |
| 4883 | |
| 4884 jni_MonitorEnter, | |
| 4885 jni_MonitorExit, | |
| 4886 | |
| 4887 jni_GetJavaVM, | |
| 4888 | |
| 4889 jni_GetStringRegion, | |
| 4890 jni_GetStringUTFRegion, | |
| 4891 | |
| 4892 jni_GetPrimitiveArrayCritical, | |
| 4893 jni_ReleasePrimitiveArrayCritical, | |
| 4894 | |
| 4895 jni_GetStringCritical, | |
| 4896 jni_ReleaseStringCritical, | |
| 4897 | |
| 4898 jni_NewWeakGlobalRef, | |
| 4899 jni_DeleteWeakGlobalRef, | |
| 4900 | |
| 4901 jni_ExceptionCheck, | |
| 4902 | |
| 4903 jni_NewDirectByteBuffer, | |
| 4904 jni_GetDirectBufferAddress, | |
| 4905 jni_GetDirectBufferCapacity, | |
| 4906 | |
| 4907 // New 1_6 features | |
| 4908 | |
| 4909 jni_GetObjectRefType | |
| 4910 }; | |
| 4911 | |
| 4912 | |
| 4913 // For jvmti use to modify jni function table. | |
| 4914 // Java threads in native contiues to run until it is transitioned | |
| 4915 // to VM at safepoint. Before the transition or before it is blocked | |
| 4916 // for safepoint it may access jni function table. VM could crash if | |
| 4917 // any java thread access the jni function table in the middle of memcpy. | |
| 4918 // To avoid this each function pointers are copied automically. | |
| 4919 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4920 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4921 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4922 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4923 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4924 Atomic::store_ptr(*b++, a++); | |
| 4925 } | |
| 4926 } | |
| 4927 | |
| 4928 void quicken_jni_functions() { | |
| 4929 // Replace Get<Primitive>Field with fast versions | |
| 4930 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4931 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4932 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4933 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4934 // versions currently isn't certain for server vm on uniprocessor. | |
| 4935 && os::is_MP() | |
| 4936 #endif | |
| 4937 ) { | |
| 4938 address func; | |
| 4939 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4940 if (func != (address)-1) { | |
| 4941 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4942 } | |
| 4943 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4944 if (func != (address)-1) { | |
| 4945 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4946 } | |
| 4947 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4948 if (func != (address)-1) { | |
| 4949 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4950 } | |
| 4951 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4952 if (func != (address)-1) { | |
| 4953 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4954 } | |
| 4955 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4956 if (func != (address)-1) { | |
| 4957 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4958 } | |
| 4959 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4960 if (func != (address)-1) { | |
| 4961 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4962 } | |
| 4963 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4964 if (func != (address)-1) { | |
| 4965 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4966 } | |
| 4967 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4968 if (func != (address)-1) { | |
| 4969 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4970 } | |
| 4971 } | |
| 4972 } | |
| 4973 | |
| 4974 // Returns the function structure | |
| 4975 struct JNINativeInterface_* jni_functions() { | |
| 4976 #ifndef JNICHECK_KERNEL | |
| 4977 if (CheckJNICalls) return jni_functions_check(); | |
| 4978 #else // JNICHECK_KERNEL | |
| 4979 if (CheckJNICalls) warning("-Xcheck:jni is not supported in kernel vm."); | |
| 4980 #endif // JNICHECK_KERNEL | |
| 4981 return &jni_NativeInterface; | |
| 4982 } | |
| 4983 | |
| 4984 // Returns the function structure | |
| 4985 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4986 return &jni_NativeInterface; | |
| 4987 } | |
| 4988 | |
| 4989 | |
| 4990 // Invocation API | |
| 4991 | |
| 4992 | |
| 4993 // Forward declaration | |
| 4994 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4995 | |
| 4996 // Global invocation API vars | |
| 4997 volatile jint vm_created = 0; | |
| 4998 // Indicate whether it is safe to recreate VM | |
| 4999 volatile jint safe_to_recreate_vm = 1; | |
| 5000 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5001 | |
| 5002 | |
| 5003 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5004 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5005 | |
| 4006 | 5006 #ifndef USDT2 |
| 0 | 5007 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5008 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5009 #else /* USDT2 */ |
| 5010 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5011 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5012 #endif /* USDT2 */ | |
| 0 | 5013 |
| 5014 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5015 #ifndef USDT2 |
| 0 | 5016 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5017 #else /* USDT2 */ |
| 5018 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5019 args_); | |
| 5020 #endif /* USDT2 */ | |
| 0 | 5021 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5022 jint ret = JNI_ERR; | |
| 5023 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5024 | |
| 5025 if (Threads::is_supported_jni_version(args->version)) { | |
| 5026 ret = JNI_OK; | |
| 5027 } | |
| 5028 // 1.1 style no longer supported in hotspot. | |
| 5029 // According the JNI spec, we should update args->version on return. | |
| 5030 // We also use the structure to communicate with launcher about default | |
| 5031 // stack size. | |
| 5032 if (args->version == JNI_VERSION_1_1) { | |
| 5033 args->version = JNI_VERSION_1_2; | |
| 5034 // javaStackSize is int in arguments structure | |
| 5035 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5036 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5037 } | |
| 5038 return ret; | |
| 5039 } | |
| 5040 | |
| 3779 | 5041 #ifndef PRODUCT |
| 5042 | |
| 4708 | 5043 #include "gc_interface/collectedHeap.hpp" |
| 3779 | 5044 #include "utilities/quickSort.hpp" |
| 5045 | |
| 4708 | 5046 #define run_unit_test(unit_test_function_call) \ |
| 5047 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5048 unit_test_function_call | |
| 5049 | |
| 3779 | 5050 void execute_internal_vm_tests() { |
| 5051 if (ExecuteInternalVMTests) { | |
| 4708 | 5052 tty->print_cr("Running internal VM tests"); |
| 5053 run_unit_test(arrayOopDesc::test_max_array_length()); | |
| 5054 run_unit_test(CollectedHeap::test_is_in()); | |
| 5055 run_unit_test(QuickSort::test_quick_sort()); | |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5056 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5057 } |
| 5058 } | |
| 5059 | |
| 4708 | 5060 #undef run_unit_test |
| 5061 | |
| 3779 | 5062 #endif |
| 5063 | |
| 4006 | 5064 #ifndef USDT2 |
| 0 | 5065 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5066 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5067 #else /* USDT2 */ |
| 5068 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5069 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5070 #endif /* USDT2 */ | |
| 0 | 5071 |
| 5072 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5073 #ifndef USDT2 |
| 0 | 5074 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5075 #else /* USDT2 */ |
| 5076 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5077 (void **) vm, penv, args); | |
| 5078 #endif /* USDT2 */ | |
| 0 | 5079 |
| 5080 jint result = JNI_ERR; | |
| 5081 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5082 | |
| 1078 | 5083 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5084 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5085 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5086 // on all architectures. So we check it works before relying on it. | |
| 5087 #if defined(ZERO) && defined(ASSERT) | |
| 5088 { | |
| 5089 jint a = 0xcafebabe; | |
| 5090 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5091 void *c = &a; | |
| 5092 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5093 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5094 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5095 } | |
| 5096 #endif // ZERO && ASSERT | |
| 5097 | |
| 0 | 5098 // At the moment it's only possible to have one Java VM, |
| 5099 // since some of the runtime state is in global variables. | |
| 5100 | |
| 5101 // We cannot use our mutex locks here, since they only work on | |
| 5102 // Threads. We do an atomic compare and exchange to ensure only | |
| 5103 // one thread can call this method at a time | |
| 5104 | |
| 5105 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5106 // the add/dec implementations are dependent on whether we are running | |
| 5107 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5108 // function used to determine this will always return false. Atomic::xchg | |
| 5109 // does not have this problem. | |
| 5110 if (Atomic::xchg(1, &vm_created) == 1) { | |
| 5111 return JNI_ERR; // already created, or create attempt in progress | |
| 5112 } | |
| 5113 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5114 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5115 } | |
| 5116 | |
| 5117 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5118 | |
| 5119 /** | |
| 5120 * Certain errors during initialization are recoverable and do not | |
| 5121 * prevent this method from being called again at a later time | |
| 5122 * (perhaps with different arguments). However, at a certain | |
| 5123 * point during initialization if an error occurs we cannot allow | |
| 5124 * this function to be called again (or it will crash). In those | |
| 5125 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5126 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5127 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5128 */ | |
| 5129 bool can_try_again = true; | |
| 5130 | |
| 5131 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5132 if (result == JNI_OK) { | |
| 5133 JavaThread *thread = JavaThread::current(); | |
| 5134 /* thread is thread_in_vm here */ | |
| 5135 *vm = (JavaVM *)(&main_vm); | |
| 5136 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5137 | |
| 5138 // Tracks the time application was running before GC | |
| 5139 RuntimeService::record_application_start(); | |
| 5140 | |
| 5141 // Notify JVMTI | |
| 5142 if (JvmtiExport::should_post_thread_life()) { | |
| 5143 JvmtiExport::post_thread_start(thread); | |
| 5144 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5145 |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5146 EVENT_BEGIN(TraceEventThreadStart, event); |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5147 EVENT_COMMIT(event, |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5148 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5149 |
| 0 | 5150 // Check if we should compile all classes on bootclasspath |
| 5151 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
| 5152 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. | |
| 5153 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5154 } else { | |
| 5155 if (can_try_again) { | |
| 5156 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5157 safe_to_recreate_vm = 1; | |
| 5158 } | |
| 5159 | |
| 5160 // Creation failed. We must reset vm_created | |
| 5161 *vm = 0; | |
| 5162 *(JNIEnv**)penv = 0; | |
| 5163 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5164 // control both compiler and architectural-based reordering. | |
| 5165 OrderAccess::release_store(&vm_created, 0); | |
| 5166 } | |
| 5167 | |
|
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1290
diff
changeset
|
5168 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
| 3779 | 5169 NOT_PRODUCT(execute_internal_vm_tests()); |
| 0 | 5170 return result; |
| 5171 } | |
| 5172 | |
| 4006 | 5173 #ifndef USDT2 |
| 0 | 5174 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5175 JavaVM**, jsize, jsize*); | |
| 5176 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5177 #endif /* !USDT2 */ |
| 0 | 5178 |
| 5179 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5180 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5181 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5182 #ifndef USDT2 |
| 0 | 5183 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5184 vm_buf, bufLen, numVMs); | |
| 4006 | 5185 #else /* USDT2 */ |
| 5186 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5187 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5188 #endif /* USDT2 */ | |
| 0 | 5189 if (vm_created) { |
| 5190 if (numVMs != NULL) *numVMs = 1; | |
| 5191 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5192 } else { | |
| 5193 if (numVMs != NULL) *numVMs = 0; | |
| 5194 } | |
| 4006 | 5195 #ifndef USDT2 |
| 0 | 5196 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5197 #else /* USDT2 */ |
| 5198 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5199 JNI_OK); | |
| 5200 #endif /* USDT2 */ | |
| 0 | 5201 return JNI_OK; |
| 5202 } | |
| 5203 | |
| 5204 extern "C" { | |
| 5205 | |
| 4006 | 5206 #ifndef USDT2 |
| 0 | 5207 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5208 #else /* USDT2 */ |
| 5209 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5210 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5211 #endif /* USDT2 */ | |
| 0 | 5212 |
| 5213 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5214 #ifndef USDT2 |
| 0 | 5215 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5216 #else /* USDT2 */ |
| 5217 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5218 vm); | |
| 5219 #endif /* USDT2 */ | |
| 0 | 5220 jint res = JNI_ERR; |
| 5221 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5222 | |
| 5223 if (!vm_created) { | |
| 5224 res = JNI_ERR; | |
| 5225 return res; | |
| 5226 } | |
| 5227 | |
| 5228 JNIWrapper("DestroyJavaVM"); | |
| 5229 JNIEnv *env; | |
| 5230 JavaVMAttachArgs destroyargs; | |
| 5231 destroyargs.version = CurrentVersion; | |
| 5232 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5233 destroyargs.group = NULL; | |
| 5234 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5235 if (res != JNI_OK) { | |
| 5236 return res; | |
| 5237 } | |
| 5238 | |
| 5239 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5240 JavaThread* thread = JavaThread::current(); | |
| 5241 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5242 if (Threads::destroy_vm()) { | |
| 5243 // Should not change thread state, VM is gone | |
| 5244 vm_created = false; | |
| 5245 res = JNI_OK; | |
| 5246 return res; | |
| 5247 } else { | |
| 5248 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5249 res = JNI_ERR; | |
| 5250 return res; | |
| 5251 } | |
| 5252 } | |
| 5253 | |
| 5254 | |
| 5255 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5256 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5257 | |
| 5258 // Check below commented out from JDK1.2fcs as well | |
| 5259 /* | |
| 5260 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5261 return JNI_EVERSION; | |
| 5262 } | |
| 5263 */ | |
| 5264 | |
| 5265 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5266 if (t != NULL) { | |
| 5267 // If the thread has been attached this operation is a no-op | |
| 5268 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5269 return JNI_OK; | |
| 5270 } | |
| 5271 | |
| 5272 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5273 // ThreadsListEnumerator - see CR 6404306 | |
| 5274 JavaThread* thread = new JavaThread(true); | |
| 5275 | |
| 5276 // Set correct safepoint info. The thread is going to call into Java when | |
| 5277 // initializing the Java level thread object. Hence, the correct state must | |
| 5278 // be set in order for the Safepoint code to deal with it correctly. | |
| 5279 thread->set_thread_state(_thread_in_vm); | |
| 5280 // Must do this before initialize_thread_local_storage | |
| 5281 thread->record_stack_base_and_size(); | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5282 |
| 0 | 5283 thread->initialize_thread_local_storage(); |
| 5284 | |
| 5285 if (!os::create_attached_thread(thread)) { | |
| 5286 delete thread; | |
| 5287 return JNI_ERR; | |
| 5288 } | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5289 // Enable stack overflow checks |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5290 thread->create_stack_guard_pages(); |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5291 |
| 0 | 5292 thread->initialize_tlab(); |
| 5293 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5294 thread->cache_global_variables(); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5295 |
| 0 | 5296 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5297 // not been added to the Thread list yet. | |
| 5298 { Threads_lock->lock_without_safepoint_check(); | |
| 5299 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5300 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5301 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5302 Threads::add(thread, daemon); | |
| 5303 Threads_lock->unlock(); | |
| 5304 } | |
| 5305 // Create thread group and name info from attach arguments | |
| 5306 oop group = NULL; | |
| 5307 char* thread_name = NULL; | |
| 5308 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5309 group = JNIHandles::resolve(args->group); | |
| 5310 thread_name = args->name; // may be NULL | |
| 5311 } | |
| 5312 if (group == NULL) group = Universe::main_thread_group(); | |
| 5313 | |
| 5314 // Create Java level thread object and attach it to this thread | |
| 5315 bool attach_failed = false; | |
| 5316 { | |
| 5317 EXCEPTION_MARK; | |
| 5318 HandleMark hm(THREAD); | |
| 5319 Handle thread_group(THREAD, group); | |
| 5320 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5321 if (HAS_PENDING_EXCEPTION) { | |
| 5322 CLEAR_PENDING_EXCEPTION; | |
| 5323 // cleanup outside the handle mark. | |
| 5324 attach_failed = true; | |
| 5325 } | |
| 5326 } | |
| 5327 | |
| 5328 if (attach_failed) { | |
| 5329 // Added missing cleanup | |
| 5330 thread->cleanup_failed_attach_current_thread(); | |
| 5331 return JNI_ERR; | |
| 5332 } | |
| 5333 | |
| 5334 // mark the thread as no longer attaching | |
| 5335 // this uses a fence to push the change through so we don't have | |
| 5336 // to regrab the threads_lock | |
| 4006 | 5337 thread->set_done_attaching_via_jni(); |
| 0 | 5338 |
| 5339 // Set java thread status. | |
| 5340 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5341 java_lang_Thread::RUNNABLE); | |
| 5342 | |
| 5343 // Notify the debugger | |
| 5344 if (JvmtiExport::should_post_thread_life()) { | |
| 5345 JvmtiExport::post_thread_start(thread); | |
| 5346 } | |
| 5347 | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5348 EVENT_BEGIN(TraceEventThreadStart, event); |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5349 EVENT_COMMIT(event, |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5350 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5351 |
| 0 | 5352 *(JNIEnv**)penv = thread->jni_environment(); |
| 5353 | |
| 5354 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5355 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5356 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5357 // needed. | |
| 5358 | |
| 5359 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5360 | |
| 5361 // Perform any platform dependent FPU setup | |
| 5362 os::setup_fpu(); | |
| 5363 | |
| 5364 return JNI_OK; | |
| 5365 } | |
| 5366 | |
| 5367 | |
| 5368 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5369 #ifndef USDT2 |
| 0 | 5370 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5371 #else /* USDT2 */ |
| 5372 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5373 vm, penv, _args); | |
| 5374 #endif /* USDT2 */ | |
| 0 | 5375 if (!vm_created) { |
| 4006 | 5376 #ifndef USDT2 |
| 0 | 5377 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5378 #else /* USDT2 */ |
| 5379 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5380 (uint32_t) JNI_ERR); | |
| 5381 #endif /* USDT2 */ | |
| 0 | 5382 return JNI_ERR; |
| 5383 } | |
| 5384 | |
| 5385 JNIWrapper("AttachCurrentThread"); | |
| 5386 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5387 #ifndef USDT2 |
| 0 | 5388 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5389 #else /* USDT2 */ |
| 5390 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5391 ret); | |
| 5392 #endif /* USDT2 */ | |
| 0 | 5393 return ret; |
| 5394 } | |
| 5395 | |
| 5396 | |
| 5397 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5398 #ifndef USDT2 |
| 0 | 5399 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5400 #else /* USDT2 */ |
| 5401 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5402 vm); | |
| 5403 #endif /* USDT2 */ | |
| 0 | 5404 VM_Exit::block_if_vm_exited(); |
| 5405 | |
| 5406 JNIWrapper("DetachCurrentThread"); | |
| 5407 | |
| 5408 // If the thread has been deattacted the operations is a no-op | |
| 5409 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5410 #ifndef USDT2 |
| 0 | 5411 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5412 #else /* USDT2 */ |
| 5413 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5414 JNI_OK); | |
| 5415 #endif /* USDT2 */ | |
| 0 | 5416 return JNI_OK; |
| 5417 } | |
| 5418 | |
| 5419 JavaThread* thread = JavaThread::current(); | |
| 5420 if (thread->has_last_Java_frame()) { | |
| 4006 | 5421 #ifndef USDT2 |
| 0 | 5422 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5423 #else /* USDT2 */ |
| 5424 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5425 (uint32_t) JNI_ERR); | |
| 5426 #endif /* USDT2 */ | |
| 0 | 5427 // Can't detach a thread that's running java, that can't work. |
| 5428 return JNI_ERR; | |
| 5429 } | |
| 5430 | |
| 5431 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5432 // middel of a safepoint operation | |
| 5433 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5434 | |
| 5435 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5436 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5437 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5438 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5439 // the removal of the guards is buried below in JavaThread::exit() | |
| 5440 // here. The abstraction should be more symmetrically either exposed | |
| 5441 // or hidden (e.g. it could probably be hidden in the same | |
| 5442 // (platform-dependent) methods where we do alternate stack | |
| 5443 // maintenance work?) | |
| 5444 thread->exit(false, JavaThread::jni_detach); | |
| 5445 delete thread; | |
| 5446 | |
| 4006 | 5447 #ifndef USDT2 |
| 0 | 5448 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5449 #else /* USDT2 */ |
| 5450 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5451 JNI_OK); | |
| 5452 #endif /* USDT2 */ | |
| 0 | 5453 return JNI_OK; |
| 5454 } | |
| 5455 | |
| 4006 | 5456 #ifndef USDT2 |
| 0 | 5457 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5458 #else /* USDT2 */ |
| 5459 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5460 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5461 #endif /* USDT2 */ | |
| 0 | 5462 |
| 5463 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5464 #ifndef USDT2 |
| 0 | 5465 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5466 #else /* USDT2 */ |
| 5467 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5468 vm, penv, version); | |
| 5469 #endif /* USDT2 */ | |
| 0 | 5470 jint ret = JNI_ERR; |
| 5471 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5472 | |
| 5473 if (!vm_created) { | |
| 5474 *penv = NULL; | |
| 5475 ret = JNI_EDETACHED; | |
| 5476 return ret; | |
| 5477 } | |
| 5478 | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5479 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5480 return ret; |
| 5481 } | |
| 5482 | |
| 5483 #ifndef JVMPI_VERSION_1 | |
| 5484 // need these in order to be polite about older agents | |
| 5485 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5486 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5487 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5488 #endif // !JVMPI_VERSION_1 | |
| 5489 | |
| 5490 Thread* thread = ThreadLocalStorage::thread(); | |
| 5491 if (thread != NULL && thread->is_Java_thread()) { | |
| 5492 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5493 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5494 ret = JNI_OK; | |
| 5495 return ret; | |
| 5496 | |
| 5497 } else if (version == JVMPI_VERSION_1 || | |
| 5498 version == JVMPI_VERSION_1_1 || | |
| 5499 version == JVMPI_VERSION_1_2) { | |
| 5500 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5501 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5502 ret = JNI_EVERSION; | |
| 5503 return ret; | |
| 5504 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5505 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5506 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5507 ret = JNI_EVERSION; | |
| 5508 return ret; | |
| 5509 } else { | |
| 5510 *penv = NULL; | |
| 5511 ret = JNI_EVERSION; | |
| 5512 return ret; | |
| 5513 } | |
| 5514 } else { | |
| 5515 *penv = NULL; | |
| 5516 ret = JNI_EDETACHED; | |
| 5517 return ret; | |
| 5518 } | |
| 5519 } | |
| 5520 | |
| 5521 | |
| 5522 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5523 #ifndef USDT2 |
| 0 | 5524 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5525 #else /* USDT2 */ |
| 5526 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5527 vm, penv, _args); | |
| 5528 #endif /* USDT2 */ | |
| 0 | 5529 if (!vm_created) { |
| 4006 | 5530 #ifndef USDT2 |
| 0 | 5531 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5532 #else /* USDT2 */ |
| 5533 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5534 (uint32_t) JNI_ERR); | |
| 5535 #endif /* USDT2 */ | |
| 0 | 5536 return JNI_ERR; |
| 5537 } | |
| 5538 | |
| 5539 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5540 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5541 #ifndef USDT2 |
| 0 | 5542 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5543 #else /* USDT2 */ |
| 5544 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5545 ret); | |
| 5546 #endif /* USDT2 */ | |
| 0 | 5547 return ret; |
| 5548 } | |
| 5549 | |
| 5550 | |
| 5551 } // End extern "C" | |
| 5552 | |
| 5553 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5554 NULL, | |
| 5555 NULL, | |
| 5556 NULL, | |
| 5557 | |
| 5558 jni_DestroyJavaVM, | |
| 5559 jni_AttachCurrentThread, | |
| 5560 jni_DetachCurrentThread, | |
| 5561 jni_GetEnv, | |
| 5562 jni_AttachCurrentThreadAsDaemon | |
| 5563 }; |