Mercurial > hg > graal-jvmci-8
annotate src/share/vm/prims/jni.cpp @ 6275:957c266d8bc5
Merge with http://hg.openjdk.java.net/hsx/hsx24/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Tue, 21 Aug 2012 10:39:19 +0200 |
| parents | 120820e30baa d2a62e0f25eb |
| children | e522a00b91aa |
| rev | line source |
|---|---|
| 0 | 1 /* |
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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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 6162 | 26 #include "classfile/altHashing.hpp" |
| 1972 | 27 #include "classfile/classLoader.hpp" |
| 28 #include "classfile/javaClasses.hpp" | |
| 29 #include "classfile/symbolTable.hpp" | |
| 30 #include "classfile/systemDictionary.hpp" | |
| 31 #include "classfile/vmSymbols.hpp" | |
| 32 #include "interpreter/linkResolver.hpp" | |
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33 #ifdef GRAAL |
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34 #include "graal/graalCompiler.hpp" |
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35 #endif |
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36 #ifdef HIGH_LEVEL_INTERPRETER |
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37 #include "graal/graalVMToInterpreter.hpp" |
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38 #endif |
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39 #ifndef SERIALGC |
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40 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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41 #endif // SERIALGC |
| 6197 | 42 #include "memory/allocation.hpp" |
| 1972 | 43 #include "memory/allocation.inline.hpp" |
| 44 #include "memory/gcLocker.inline.hpp" | |
| 45 #include "memory/oopFactory.hpp" | |
| 46 #include "memory/universe.inline.hpp" | |
| 47 #include "oops/instanceKlass.hpp" | |
| 48 #include "oops/instanceOop.hpp" | |
| 49 #include "oops/markOop.hpp" | |
| 50 #include "oops/methodOop.hpp" | |
| 51 #include "oops/objArrayKlass.hpp" | |
| 52 #include "oops/objArrayOop.hpp" | |
| 53 #include "oops/oop.inline.hpp" | |
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54 #include "oops/symbol.hpp" |
| 1972 | 55 #include "oops/typeArrayKlass.hpp" |
| 56 #include "oops/typeArrayOop.hpp" | |
| 57 #include "prims/jni.h" | |
| 58 #include "prims/jniCheck.hpp" | |
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59 #include "prims/jniExport.hpp" |
| 1972 | 60 #include "prims/jniFastGetField.hpp" |
| 61 #include "prims/jvm.h" | |
| 62 #include "prims/jvm_misc.hpp" | |
| 63 #include "prims/jvmtiExport.hpp" | |
| 64 #include "prims/jvmtiThreadState.hpp" | |
| 65 #include "runtime/compilationPolicy.hpp" | |
| 66 #include "runtime/fieldDescriptor.hpp" | |
| 67 #include "runtime/fprofiler.hpp" | |
| 68 #include "runtime/handles.inline.hpp" | |
| 69 #include "runtime/interfaceSupport.hpp" | |
| 70 #include "runtime/java.hpp" | |
| 71 #include "runtime/javaCalls.hpp" | |
| 72 #include "runtime/jfieldIDWorkaround.hpp" | |
| 73 #include "runtime/reflection.hpp" | |
| 74 #include "runtime/sharedRuntime.hpp" | |
| 75 #include "runtime/signature.hpp" | |
| 76 #include "runtime/vm_operations.hpp" | |
| 77 #include "services/runtimeService.hpp" | |
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78 #include "trace/tracing.hpp" |
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79 #include "trace/traceEventTypes.hpp" |
| 1972 | 80 #include "utilities/defaultStream.hpp" |
| 81 #include "utilities/dtrace.hpp" | |
| 82 #include "utilities/events.hpp" | |
| 83 #include "utilities/histogram.hpp" | |
| 84 #ifdef TARGET_OS_FAMILY_linux | |
| 85 # include "os_linux.inline.hpp" | |
| 86 # include "thread_linux.inline.hpp" | |
| 87 #endif | |
| 88 #ifdef TARGET_OS_FAMILY_solaris | |
| 89 # include "os_solaris.inline.hpp" | |
| 90 # include "thread_solaris.inline.hpp" | |
| 91 #endif | |
| 92 #ifdef TARGET_OS_FAMILY_windows | |
| 93 # include "os_windows.inline.hpp" | |
| 94 # include "thread_windows.inline.hpp" | |
| 95 #endif | |
| 3960 | 96 #ifdef TARGET_OS_FAMILY_bsd |
| 97 # include "os_bsd.inline.hpp" | |
| 98 # include "thread_bsd.inline.hpp" | |
| 99 #endif | |
| 0 | 100 |
| 101 static jint CurrentVersion = JNI_VERSION_1_6; | |
| 102 | |
| 103 | |
| 104 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 105 // '-return' probe regardless of the return path is taken out of the function. | |
| 106 // Methods that have multiple return paths use this to avoid having to | |
| 107 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 108 // since those macros can cause an immedate uninstrumented return. | |
| 109 // | |
| 110 // In order to get the return value, a reference to the variable containing | |
| 111 // the return value must be passed to the contructor of the object, and | |
| 112 // the return value must be set before return (since the mark object has | |
| 113 // a reference to it). | |
| 114 // | |
| 115 // Example: | |
| 116 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 117 // JNI_ENTRY(int, SomeFunc, ...) | |
| 118 // int return_value = 0; | |
| 119 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 120 // foo(CHECK_0) | |
| 121 // return_value = 5; | |
| 122 // return return_value; | |
| 123 // JNI_END | |
| 4006 | 124 #ifndef USDT2 |
| 0 | 125 #define DT_RETURN_MARK_DECL(name, type) \ |
| 126 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 127 DTRACE_ONLY( \ | |
| 128 class DTraceReturnProbeMark_##name { \ | |
| 129 public: \ | |
| 130 const type& _ret_ref; \ | |
| 131 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 132 ~DTraceReturnProbeMark_##name() { \ | |
| 133 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 134 } \ | |
| 135 } \ | |
| 136 ) | |
| 137 // Void functions are simpler since there's no return value | |
| 138 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 139 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 140 DTRACE_ONLY( \ | |
| 141 class DTraceReturnProbeMark_##name { \ | |
| 142 public: \ | |
| 143 ~DTraceReturnProbeMark_##name() { \ | |
| 144 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 145 } \ | |
| 146 } \ | |
| 147 ) | |
| 148 | |
| 4006 | 149 #else /* USDT2 */ |
| 150 | |
| 151 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 152 DTRACE_ONLY( \ | |
| 153 class DTraceReturnProbeMark_##name { \ | |
| 154 public: \ | |
| 155 const type& _ret_ref; \ | |
| 156 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 157 ~DTraceReturnProbeMark_##name() { \ | |
| 158 probe; \ | |
| 159 } \ | |
| 160 } \ | |
| 161 ) | |
| 162 // Void functions are simpler since there's no return value | |
| 163 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 164 DTRACE_ONLY( \ | |
| 165 class DTraceReturnProbeMark_##name { \ | |
| 166 public: \ | |
| 167 ~DTraceReturnProbeMark_##name() { \ | |
| 168 probe; \ | |
| 169 } \ | |
| 170 } \ | |
| 171 ) | |
| 172 #endif /* USDT2 */ | |
| 0 | 173 |
| 174 // Place these macros in the function to mark the return. Non-void | |
| 175 // functions need the type and address of the return value. | |
| 176 #define DT_RETURN_MARK(name, type, ref) \ | |
| 177 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 178 #define DT_VOID_RETURN_MARK(name) \ | |
| 179 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 180 | |
| 181 | |
| 182 // Use these to select distinct code for floating-point vs. non-floating point | |
| 183 // situations. Used from within common macros where we need slightly | |
| 184 // different behavior for Float/Double | |
| 185 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 186 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 187 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 188 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 189 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 190 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 191 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 192 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 193 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 194 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 195 FP_SELECT_##TypeName(intcode, fpcode) | |
| 196 | |
| 197 #define COMMA , | |
| 198 | |
| 199 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 200 // (dtrace doesn't do FP yet) | |
| 4006 | 201 #ifndef USDT2 |
| 0 | 202 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 203 FP_SELECT(TypeName, \ | |
| 204 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 205 #else /* USDT2 */ |
| 206 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 207 FP_SELECT(TypeName, \ | |
| 208 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 209 #endif /* USDT2 */ | |
| 0 | 210 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 211 FP_SELECT(TypeName, \ | |
| 212 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 213 | |
| 214 | |
| 215 // out-of-line helpers for class jfieldIDWorkaround: | |
| 216 | |
| 217 bool jfieldIDWorkaround::is_valid_jfieldID(klassOop k, jfieldID id) { | |
| 218 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { | |
| 219 uintptr_t as_uint = (uintptr_t) id; | |
| 220 intptr_t offset = raw_instance_offset(id); | |
| 221 if (is_checked_jfieldID(id)) { | |
| 222 if (!klass_hash_ok(k, id)) { | |
| 223 return false; | |
| 224 } | |
| 225 } | |
| 226 return instanceKlass::cast(k)->contains_field_offset(offset); | |
| 227 } else { | |
| 228 JNIid* result = (JNIid*) id; | |
| 229 #ifdef ASSERT | |
| 230 return result != NULL && result->is_static_field_id(); | |
| 231 #else | |
| 232 return result != NULL; | |
| 233 #endif | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 | |
| 238 intptr_t jfieldIDWorkaround::encode_klass_hash(klassOop k, intptr_t offset) { | |
| 239 if (offset <= small_offset_mask) { | |
| 240 klassOop field_klass = k; | |
| 241 klassOop super_klass = Klass::cast(field_klass)->super(); | |
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242 // With compressed oops the most super class with nonstatic fields would |
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243 // be the owner of fields embedded in the header. |
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244 while (instanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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245 instanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 246 field_klass = super_klass; // super contains the field also |
| 247 super_klass = Klass::cast(field_klass)->super(); | |
| 248 } | |
| 249 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 250 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 251 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 252 } else { | |
| 253 #if 0 | |
| 254 #ifndef PRODUCT | |
| 255 { | |
| 256 ResourceMark rm; | |
| 257 warning("VerifyJNIFields: long offset %d in %s", offset, Klass::cast(k)->external_name()); | |
| 258 } | |
| 259 #endif | |
| 260 #endif | |
| 261 return 0; | |
| 262 } | |
| 263 } | |
| 264 | |
| 265 bool jfieldIDWorkaround::klass_hash_ok(klassOop k, jfieldID id) { | |
| 266 uintptr_t as_uint = (uintptr_t) id; | |
| 267 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 268 do { | |
| 269 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 270 // Could use a non-blocking query for identity_hash here... | |
| 271 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 272 return true; | |
| 273 k = Klass::cast(k)->super(); | |
| 274 } while (k != NULL); | |
| 275 return false; | |
| 276 } | |
| 277 | |
| 278 void jfieldIDWorkaround::verify_instance_jfieldID(klassOop k, jfieldID id) { | |
| 279 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); | |
| 280 uintptr_t as_uint = (uintptr_t) id; | |
| 281 intptr_t offset = raw_instance_offset(id); | |
| 282 if (VerifyJNIFields) { | |
| 283 if (is_checked_jfieldID(id)) { | |
| 284 guarantee(klass_hash_ok(k, id), | |
| 285 "Bug in native code: jfieldID class must match object"); | |
| 286 } else { | |
| 287 #if 0 | |
| 288 #ifndef PRODUCT | |
| 289 if (Verbose) { | |
| 290 ResourceMark rm; | |
| 291 warning("VerifyJNIFields: unverified offset %d for %s", offset, Klass::cast(k)->external_name()); | |
| 292 } | |
| 293 #endif | |
| 294 #endif | |
| 295 } | |
| 296 } | |
| 297 guarantee(instanceKlass::cast(k)->contains_field_offset(offset), | |
| 298 "Bug in native code: jfieldID offset must address interior of object"); | |
| 299 } | |
| 300 | |
| 301 // Pick a reasonable higher bound for local capacity requested | |
| 302 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 303 // high because a test (or very unusual application) may try to allocate | |
| 304 // that many handles and run out of swap space. An implementation is | |
| 305 // permitted to allocate more handles than the ensured capacity, so this | |
| 306 // value is set high enough to prevent compatibility problems. | |
| 307 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 308 | |
| 309 | |
| 310 // Wrapper to trace JNI functions | |
| 311 | |
| 312 #ifdef ASSERT | |
| 313 Histogram* JNIHistogram; | |
| 314 static volatile jint JNIHistogram_lock = 0; | |
| 315 | |
| 316 class JNITraceWrapper : public StackObj { | |
| 317 public: | |
| 318 JNITraceWrapper(const char* format, ...) { | |
| 319 if (TraceJNICalls) { | |
| 320 va_list ap; | |
| 321 va_start(ap, format); | |
| 322 tty->print("JNI "); | |
| 323 tty->vprint_cr(format, ap); | |
| 324 va_end(ap); | |
| 325 } | |
| 326 } | |
| 327 }; | |
| 328 | |
| 329 class JNIHistogramElement : public HistogramElement { | |
| 330 public: | |
| 331 JNIHistogramElement(const char* name); | |
| 332 }; | |
| 333 | |
| 334 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 335 _name = elementName; | |
| 336 uintx count = 0; | |
| 337 | |
| 338 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 339 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 340 count +=1; | |
| 341 if ( (WarnOnStalledSpinLock > 0) | |
| 342 && (count % WarnOnStalledSpinLock == 0)) { | |
| 343 warning("JNIHistogram_lock seems to be stalled"); | |
| 344 } | |
| 345 } | |
| 346 } | |
| 347 | |
| 348 | |
| 349 if(JNIHistogram == NULL) | |
| 350 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 351 | |
| 352 JNIHistogram->add_element(this); | |
| 353 Atomic::dec(&JNIHistogram_lock); | |
| 354 } | |
| 355 | |
| 356 #define JNICountWrapper(arg) \ | |
| 357 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 358 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 359 if (e != NULL) e->increment_count() | |
| 360 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 361 #else | |
| 362 #define JNIWrapper(arg) | |
| 363 #endif | |
| 364 | |
| 365 | |
| 366 // Implementation of JNI entries | |
| 367 | |
| 4006 | 368 #ifndef USDT2 |
| 0 | 369 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 370 #else /* USDT2 */ |
| 371 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 372 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 373 #endif /* USDT2 */ | |
| 0 | 374 |
| 375 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 376 const jbyte *buf, jsize bufLen)) | |
| 377 JNIWrapper("DefineClass"); | |
| 378 | |
| 4006 | 379 #ifndef USDT2 |
| 0 | 380 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 381 env, name, loaderRef, buf, bufLen); | |
| 4006 | 382 #else /* USDT2 */ |
| 383 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 384 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 385 #endif /* USDT2 */ | |
| 0 | 386 jclass cls = NULL; |
| 387 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 388 | |
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389 TempNewSymbol class_name = NULL; |
| 0 | 390 // Since exceptions can be thrown, class initialization can take place |
| 391 // if name is NULL no check for class name in .class stream has to be made. | |
| 392 if (name != NULL) { | |
| 393 const int str_len = (int)strlen(name); | |
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394 if (str_len > Symbol::max_length()) { |
| 0 | 395 // It's impossible to create this class; the name cannot fit |
| 396 // into the constant pool. | |
| 397 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 398 } | |
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399 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 400 } |
| 401 ResourceMark rm(THREAD); | |
| 402 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 403 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 404 | |
| 405 if (UsePerfData && !class_loader.is_null()) { | |
| 406 // check whether the current caller thread holds the lock or not. | |
| 407 // If not, increment the corresponding counter | |
| 408 if (ObjectSynchronizer:: | |
| 409 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 410 ObjectSynchronizer::owner_self) { | |
| 411 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 412 } | |
| 413 } | |
| 414 klassOop k = SystemDictionary::resolve_from_stream(class_name, class_loader, | |
|
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415 Handle(), &st, true, |
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416 CHECK_NULL); |
| 0 | 417 |
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418 if (TraceClassResolution && k != NULL) { |
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419 trace_class_resolution(k); |
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420 } |
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421 |
| 0 | 422 cls = (jclass)JNIHandles::make_local( |
| 423 env, Klass::cast(k)->java_mirror()); | |
| 424 return cls; | |
| 425 JNI_END | |
| 426 | |
| 427 | |
| 428 | |
| 429 static bool first_time_FindClass = true; | |
| 430 | |
| 4006 | 431 #ifndef USDT2 |
| 0 | 432 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 433 #else /* USDT2 */ |
| 434 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 435 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 436 #endif /* USDT2 */ | |
| 0 | 437 |
| 438 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 439 JNIWrapper("FindClass"); | |
| 4006 | 440 #ifndef USDT2 |
| 0 | 441 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 442 #else /* USDT2 */ |
| 443 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 444 env, (char *)name); | |
| 445 #endif /* USDT2 */ | |
| 0 | 446 |
| 447 jclass result = NULL; | |
| 448 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 449 | |
| 450 // Remember if we are the first invocation of jni_FindClass | |
| 451 bool first_time = first_time_FindClass; | |
| 452 first_time_FindClass = false; | |
| 453 | |
| 454 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 455 // name we can fit in the constant pool. | |
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456 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 457 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 458 } | |
| 459 | |
| 460 //%note jni_3 | |
| 461 Handle loader; | |
| 462 Handle protection_domain; | |
| 463 // Find calling class | |
| 464 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 465 if (k.not_null()) { | |
| 466 loader = Handle(THREAD, k->class_loader()); | |
| 467 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 468 // in the correct class context. | |
| 469 if (loader.is_null() && | |
| 470 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 471 JavaValue result(T_OBJECT); | |
| 472 JavaCalls::call_static(&result, k, | |
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473 vmSymbols::getFromClass_name(), |
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474 vmSymbols::void_class_signature(), |
| 0 | 475 thread); |
| 476 if (HAS_PENDING_EXCEPTION) { | |
| 477 Handle ex(thread, thread->pending_exception()); | |
| 478 CLEAR_PENDING_EXCEPTION; | |
| 479 THROW_HANDLE_0(ex); | |
| 480 } | |
| 481 oop mirror = (oop) result.get_jobject(); | |
| 482 loader = Handle(THREAD, | |
| 483 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->class_loader()); | |
| 484 protection_domain = Handle(THREAD, | |
| 485 instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->protection_domain()); | |
| 486 } | |
| 487 } else { | |
| 488 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 489 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 490 } | |
| 491 | |
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492 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 493 result = find_class_from_class_loader(env, sym, true, loader, |
| 494 protection_domain, true, thread); | |
| 495 | |
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496 if (TraceClassResolution && result != NULL) { |
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497 trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); |
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498 } |
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499 |
| 0 | 500 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 501 // rather than just allowing invocation counter to overflow and decay. | |
| 502 // Controlled by flag DelayCompilationDuringStartup. | |
| 503 if (first_time && !CompileTheWorld) | |
| 504 CompilationPolicy::completed_vm_startup(); | |
| 505 | |
| 506 return result; | |
| 507 JNI_END | |
| 508 | |
| 4006 | 509 #ifndef USDT2 |
| 0 | 510 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 511 #else /* USDT2 */ |
| 512 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 513 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 514 #endif /* USDT2 */ | |
| 0 | 515 |
| 516 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 517 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 518 #ifndef USDT2 |
| 0 | 519 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 520 #else /* USDT2 */ |
| 521 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 522 env, method); | |
| 523 #endif /* USDT2 */ | |
| 0 | 524 jmethodID ret = NULL; |
| 525 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 526 | |
| 527 // method is a handle to a java.lang.reflect.Method object | |
| 528 oop reflected = JNIHandles::resolve_non_null(method); | |
| 529 oop mirror = NULL; | |
| 530 int slot = 0; | |
| 531 | |
| 1142 | 532 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 533 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 534 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 535 } else { | |
| 1142 | 536 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 537 mirror = java_lang_reflect_Method::clazz(reflected); |
| 538 slot = java_lang_reflect_Method::slot(reflected); | |
| 539 } | |
| 540 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 541 | |
| 542 KlassHandle k1(THREAD, k); | |
| 543 // Make sure class is initialized before handing id's out to methods | |
| 544 Klass::cast(k1())->initialize(CHECK_NULL); | |
| 545 methodOop m = instanceKlass::cast(k1())->method_with_idnum(slot); | |
| 546 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted | |
| 547 return ret; | |
| 548 JNI_END | |
| 549 | |
| 4006 | 550 #ifndef USDT2 |
| 0 | 551 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 552 #else /* USDT2 */ |
| 553 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 554 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 555 #endif /* USDT2 */ | |
| 0 | 556 |
| 557 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 558 JNIWrapper("FromReflectedField"); | |
| 4006 | 559 #ifndef USDT2 |
| 0 | 560 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 561 #else /* USDT2 */ |
| 562 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 563 env, field); | |
| 564 #endif /* USDT2 */ | |
| 0 | 565 jfieldID ret = NULL; |
| 566 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 567 | |
| 568 // field is a handle to a java.lang.reflect.Field object | |
| 569 oop reflected = JNIHandles::resolve_non_null(field); | |
| 570 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
| 571 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 572 int slot = java_lang_reflect_Field::slot(reflected); | |
| 573 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 574 | |
| 575 KlassHandle k1(THREAD, k); | |
| 576 // Make sure class is initialized before handing id's out to fields | |
| 577 Klass::cast(k1())->initialize(CHECK_NULL); | |
| 578 | |
| 579 // First check if this is a static field | |
| 580 if (modifiers & JVM_ACC_STATIC) { | |
| 3938 | 581 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
| 0 | 582 JNIid* id = instanceKlass::cast(k1())->jni_id_for(offset); |
| 583 assert(id != NULL, "corrupt Field object"); | |
| 584 debug_only(id->set_is_static_field_id();) | |
| 585 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
| 586 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 587 return ret; | |
| 588 } | |
| 589 | |
| 590 // The slot is the index of the field description in the field-array | |
| 591 // The jfieldID is the offset of the field within the object | |
| 592 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 3938 | 593 intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); |
| 0 | 594 assert(instanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 595 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); | |
| 596 return ret; | |
| 597 JNI_END | |
| 598 | |
| 4006 | 599 #ifndef USDT2 |
| 0 | 600 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 601 #else /* USDT2 */ |
| 602 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 603 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 604 #endif /* USDT2 */ | |
| 0 | 605 |
| 606 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 607 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 608 #ifndef USDT2 |
| 0 | 609 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 610 #else /* USDT2 */ |
| 611 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 612 env, cls, (uintptr_t) method_id, isStatic); | |
| 613 #endif /* USDT2 */ | |
| 0 | 614 jobject ret = NULL; |
| 615 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 616 | |
| 617 methodHandle m (THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
| 618 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); | |
| 619 oop reflection_method; | |
| 620 if (m->is_initializer()) { | |
| 621 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 622 } else { | |
| 623 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 624 } | |
| 625 ret = JNIHandles::make_local(env, reflection_method); | |
| 626 return ret; | |
| 627 JNI_END | |
| 628 | |
| 4006 | 629 #ifndef USDT2 |
| 0 | 630 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 631 #else /* USDT2 */ |
| 632 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 633 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 634 #endif /* USDT2 */ | |
| 0 | 635 |
| 636 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 637 JNIWrapper("GetSuperclass"); | |
| 4006 | 638 #ifndef USDT2 |
| 0 | 639 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 640 #else /* USDT2 */ |
| 641 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 642 env, sub); | |
| 643 #endif /* USDT2 */ | |
| 0 | 644 jclass obj = NULL; |
| 645 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 646 | |
| 647 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 648 // primitive classes return NULL | |
| 649 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 650 | |
| 651 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 652 // arrays return Object | |
| 653 // interfaces return NULL | |
| 654 // proper classes return Klass::super() | |
| 655 klassOop k = java_lang_Class::as_klassOop(mirror); | |
| 656 if (Klass::cast(k)->is_interface()) return NULL; | |
| 657 | |
| 658 // return mirror for superclass | |
| 659 klassOop super = Klass::cast(k)->java_super(); | |
| 660 // super2 is the value computed by the compiler's getSuperClass intrinsic: | |
| 661 debug_only(klassOop super2 = ( Klass::cast(k)->oop_is_javaArray() | |
| 1142 | 662 ? SystemDictionary::Object_klass() |
| 0 | 663 : Klass::cast(k)->super() ) ); |
| 664 assert(super == super2, | |
| 665 "java_super computation depends on interface, array, other super"); | |
| 666 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(Klass::cast(super)->java_mirror()); | |
| 667 return obj; | |
| 668 JNI_END | |
| 669 | |
| 670 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 671 JNIWrapper("IsSubclassOf"); | |
| 4006 | 672 #ifndef USDT2 |
| 0 | 673 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 674 #else /* USDT2 */ |
| 675 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 676 env, sub, super); | |
| 677 #endif /* USDT2 */ | |
| 0 | 678 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 679 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 680 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 681 java_lang_Class::is_primitive(super_mirror)) { | |
| 682 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 683 #ifndef USDT2 |
| 0 | 684 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 685 #else /* USDT2 */ |
| 686 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 687 ret); | |
| 688 #endif /* USDT2 */ | |
| 0 | 689 return ret; |
| 690 } | |
| 691 klassOop sub_klass = java_lang_Class::as_klassOop(sub_mirror); | |
| 692 klassOop super_klass = java_lang_Class::as_klassOop(super_mirror); | |
| 693 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); | |
| 694 jboolean ret = Klass::cast(sub_klass)->is_subtype_of(super_klass) ? | |
| 695 JNI_TRUE : JNI_FALSE; | |
| 4006 | 696 #ifndef USDT2 |
| 0 | 697 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 698 #else /* USDT2 */ |
| 699 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 700 ret); | |
| 701 #endif /* USDT2 */ | |
| 0 | 702 return ret; |
| 703 JNI_END | |
| 704 | |
| 4006 | 705 #ifndef USDT2 |
| 0 | 706 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 707 #else /* USDT2 */ |
| 708 DT_RETURN_MARK_DECL(Throw, jint | |
| 709 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 710 #endif /* USDT2 */ | |
| 0 | 711 |
| 712 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 713 JNIWrapper("Throw"); | |
| 4006 | 714 #ifndef USDT2 |
| 0 | 715 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 716 #else /* USDT2 */ |
| 717 HOTSPOT_JNI_THROW_ENTRY( | |
| 718 env, obj); | |
| 719 #endif /* USDT2 */ | |
| 0 | 720 jint ret = JNI_OK; |
| 721 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 722 | |
| 723 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 724 ShouldNotReachHere(); | |
| 725 JNI_END | |
| 726 | |
| 4006 | 727 #ifndef USDT2 |
| 0 | 728 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 729 #else /* USDT2 */ |
| 730 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 731 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 732 #endif /* USDT2 */ | |
| 0 | 733 |
| 734 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 735 JNIWrapper("ThrowNew"); | |
| 4006 | 736 #ifndef USDT2 |
| 0 | 737 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 738 #else /* USDT2 */ |
| 739 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 740 env, clazz, (char *) message); | |
| 741 #endif /* USDT2 */ | |
| 0 | 742 jint ret = JNI_OK; |
| 743 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 744 | |
| 745 instanceKlass* k = instanceKlass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
|
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746 Symbol* name = k->name(); |
| 0 | 747 Handle class_loader (THREAD, k->class_loader()); |
| 748 Handle protection_domain (THREAD, k->protection_domain()); | |
| 749 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 750 ShouldNotReachHere(); | |
| 751 JNI_END | |
| 752 | |
| 753 | |
| 754 // JNI functions only transform a pending async exception to a synchronous | |
| 755 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 756 // delivering an async exception in other places won't change the native | |
| 757 // code's control flow and would be harmful when native code further calls | |
| 758 // JNI functions with a pending exception. Async exception is also checked | |
| 759 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 760 // false but deliver the async exception at the very end during | |
| 761 // state transition. | |
| 762 | |
| 763 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 764 assert(thread == Thread::current(), "must be itself"); | |
| 765 thread->check_and_handle_async_exceptions(); | |
| 766 } | |
| 767 | |
| 768 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 769 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 770 #ifndef USDT2 |
| 0 | 771 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 772 #else /* USDT2 */ |
| 773 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 774 env); | |
| 775 #endif /* USDT2 */ | |
| 0 | 776 jni_check_async_exceptions(thread); |
| 777 oop exception = thread->pending_exception(); | |
| 778 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 779 #ifndef USDT2 |
| 0 | 780 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 781 #else /* USDT2 */ |
| 782 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 783 ret); | |
| 784 #endif /* USDT2 */ | |
| 0 | 785 return ret; |
| 786 JNI_END | |
| 787 | |
| 788 | |
| 789 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 790 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 791 #ifndef USDT2 |
| 0 | 792 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 793 #else /* USDT2 */ |
| 794 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 795 env); | |
| 796 #endif /* USDT2 */ | |
| 0 | 797 if (thread->has_pending_exception()) { |
| 798 Handle ex(thread, thread->pending_exception()); | |
| 799 thread->clear_pending_exception(); | |
| 1142 | 800 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 801 // Don't print anything if we are being killed. |
| 802 } else { | |
| 803 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 804 if (thread != NULL && thread->threadObj() != NULL) { | |
| 805 ResourceMark rm(THREAD); | |
| 806 jio_fprintf(defaultStream::error_stream(), | |
| 807 "in thread \"%s\" ", thread->get_thread_name()); | |
| 808 } | |
| 1142 | 809 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 810 JavaValue result(T_VOID); |
| 811 JavaCalls::call_virtual(&result, | |
| 812 ex, | |
| 813 KlassHandle(THREAD, | |
| 1142 | 814 SystemDictionary::Throwable_klass()), |
|
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815 vmSymbols::printStackTrace_name(), |
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816 vmSymbols::void_method_signature(), |
| 0 | 817 THREAD); |
| 818 // If an exception is thrown in the call it gets thrown away. Not much | |
| 819 // we can do with it. The native code that calls this, does not check | |
| 820 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 821 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 822 // is expected. | |
| 823 CLEAR_PENDING_EXCEPTION; | |
| 824 } else { | |
| 825 ResourceMark rm(THREAD); | |
| 826 jio_fprintf(defaultStream::error_stream(), | |
| 827 ". Uncaught exception of type %s.", | |
| 828 Klass::cast(ex->klass())->external_name()); | |
| 829 } | |
| 830 } | |
| 831 } | |
| 4006 | 832 #ifndef USDT2 |
| 0 | 833 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 834 #else /* USDT2 */ |
| 835 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 836 ); | |
| 837 #endif /* USDT2 */ | |
| 0 | 838 JNI_END |
| 839 | |
| 840 | |
| 841 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 842 JNIWrapper("ExceptionClear"); | |
| 4006 | 843 #ifndef USDT2 |
| 0 | 844 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 845 #else /* USDT2 */ |
| 846 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 847 env); | |
| 848 #endif /* USDT2 */ | |
| 0 | 849 |
| 850 // The jni code might be using this API to clear java thrown exception. | |
| 851 // So just mark jvmti thread exception state as exception caught. | |
| 852 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 853 if (state != NULL && state->is_exception_detected()) { | |
| 854 state->set_exception_caught(); | |
| 855 } | |
| 856 thread->clear_pending_exception(); | |
| 4006 | 857 #ifndef USDT2 |
| 0 | 858 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 859 #else /* USDT2 */ |
| 860 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 861 ); | |
| 862 #endif /* USDT2 */ | |
| 0 | 863 JNI_END |
| 864 | |
| 865 | |
| 866 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 867 JNIWrapper("FatalError"); | |
| 4006 | 868 #ifndef USDT2 |
| 0 | 869 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 870 #else /* USDT2 */ |
| 871 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 872 env, (char *) msg); | |
| 873 #endif /* USDT2 */ | |
| 0 | 874 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 875 thread->print_stack(); | |
|
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876 os::abort(); // Dump core and abort |
| 0 | 877 JNI_END |
| 878 | |
| 879 | |
| 880 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 881 JNIWrapper("PushLocalFrame"); | |
| 4006 | 882 #ifndef USDT2 |
| 0 | 883 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 884 #else /* USDT2 */ |
| 885 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 886 env, capacity); | |
| 887 #endif /* USDT2 */ | |
| 0 | 888 //%note jni_11 |
| 889 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 4006 | 890 #ifndef USDT2 |
| 0 | 891 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 892 #else /* USDT2 */ |
| 893 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 894 (uint32_t)JNI_ERR); | |
| 895 #endif /* USDT2 */ | |
| 0 | 896 return JNI_ERR; |
| 897 } | |
| 898 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 899 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 900 assert(new_handles != NULL, "should not be NULL"); | |
| 901 new_handles->set_pop_frame_link(old_handles); | |
| 902 thread->set_active_handles(new_handles); | |
| 903 jint ret = JNI_OK; | |
| 4006 | 904 #ifndef USDT2 |
| 0 | 905 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 906 #else /* USDT2 */ |
| 907 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 908 ret); | |
| 909 #endif /* USDT2 */ | |
| 0 | 910 return ret; |
| 911 JNI_END | |
| 912 | |
| 913 | |
| 914 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 915 JNIWrapper("PopLocalFrame"); | |
| 4006 | 916 #ifndef USDT2 |
| 0 | 917 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 918 #else /* USDT2 */ |
| 919 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 920 env, result); | |
| 921 #endif /* USDT2 */ | |
| 0 | 922 //%note jni_11 |
| 923 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 924 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 925 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 926 if (new_handles != NULL) { | |
| 927 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 928 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 929 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 930 // the release_block call will release the blocks. | |
| 931 thread->set_active_handles(new_handles); | |
| 932 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 933 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 934 result = JNIHandles::make_local(thread, result_handle()); | |
| 935 } | |
| 4006 | 936 #ifndef USDT2 |
| 0 | 937 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 938 #else /* USDT2 */ |
| 939 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 940 result); | |
| 941 #endif /* USDT2 */ | |
| 0 | 942 return result; |
| 943 JNI_END | |
| 944 | |
| 945 | |
| 946 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 947 JNIWrapper("NewGlobalRef"); | |
| 4006 | 948 #ifndef USDT2 |
| 0 | 949 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 950 #else /* USDT2 */ |
| 951 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 952 env, ref); | |
| 953 #endif /* USDT2 */ | |
| 0 | 954 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 955 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 956 #ifndef USDT2 |
| 0 | 957 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 958 #else /* USDT2 */ |
| 959 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 960 ret); | |
| 961 #endif /* USDT2 */ | |
| 0 | 962 return ret; |
| 963 JNI_END | |
| 964 | |
| 965 // Must be JNI_ENTRY (with HandleMark) | |
| 966 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 967 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 968 #ifndef USDT2 |
| 0 | 969 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 970 #else /* USDT2 */ |
| 971 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 972 env, ref); | |
| 973 #endif /* USDT2 */ | |
| 0 | 974 JNIHandles::destroy_global(ref); |
| 4006 | 975 #ifndef USDT2 |
| 0 | 976 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 977 #else /* USDT2 */ |
| 978 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 979 ); | |
| 980 #endif /* USDT2 */ | |
| 0 | 981 JNI_END |
| 982 | |
| 983 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 984 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 985 #ifndef USDT2 |
| 0 | 986 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 987 #else /* USDT2 */ |
| 988 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 989 env, obj); | |
| 990 #endif /* USDT2 */ | |
| 0 | 991 JNIHandles::destroy_local(obj); |
| 4006 | 992 #ifndef USDT2 |
| 0 | 993 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 994 #else /* USDT2 */ |
| 995 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 996 ); | |
| 997 #endif /* USDT2 */ | |
| 0 | 998 JNI_END |
| 999 | |
| 1000 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 1001 JNIWrapper("IsSameObject"); | |
| 4006 | 1002 #ifndef USDT2 |
| 0 | 1003 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 1004 #else /* USDT2 */ |
| 1005 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 1006 env, r1, r2); | |
| 1007 #endif /* USDT2 */ | |
| 0 | 1008 oop a = JNIHandles::resolve(r1); |
| 1009 oop b = JNIHandles::resolve(r2); | |
| 1010 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1011 #ifndef USDT2 |
| 0 | 1012 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1013 #else /* USDT2 */ |
| 1014 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1015 ret); | |
| 1016 #endif /* USDT2 */ | |
| 0 | 1017 return ret; |
| 1018 JNI_END | |
| 1019 | |
| 1020 | |
| 1021 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1022 JNIWrapper("NewLocalRef"); | |
| 4006 | 1023 #ifndef USDT2 |
| 0 | 1024 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1025 #else /* USDT2 */ |
| 1026 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1027 env, ref); | |
| 1028 #endif /* USDT2 */ | |
| 0 | 1029 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1030 #ifndef USDT2 |
| 0 | 1031 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1032 #else /* USDT2 */ |
| 1033 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1034 ret); | |
| 1035 #endif /* USDT2 */ | |
| 0 | 1036 return ret; |
| 1037 JNI_END | |
| 1038 | |
| 1039 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1040 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1041 #ifndef USDT2 |
| 0 | 1042 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1043 #else /* USDT2 */ |
| 1044 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1045 env, capacity); | |
| 1046 #endif /* USDT2 */ | |
| 0 | 1047 jint ret; |
| 1048 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1049 ret = JNI_OK; | |
| 1050 } else { | |
| 1051 ret = JNI_ERR; | |
| 1052 } | |
| 4006 | 1053 #ifndef USDT2 |
| 0 | 1054 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1055 #else /* USDT2 */ |
| 1056 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1057 ret); | |
| 1058 #endif /* USDT2 */ | |
| 0 | 1059 return ret; |
| 1060 JNI_END | |
| 1061 | |
| 1062 // Return the Handle Type | |
| 1063 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1064 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1065 #ifndef USDT2 |
| 0 | 1066 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1067 #else /* USDT2 */ |
| 1068 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1069 env, obj); | |
| 1070 #endif /* USDT2 */ | |
| 0 | 1071 jobjectRefType ret; |
| 1072 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1073 JNIHandles::is_frame_handle(thread, obj)) | |
| 1074 ret = JNILocalRefType; | |
| 1075 else if (JNIHandles::is_global_handle(obj)) | |
| 1076 ret = JNIGlobalRefType; | |
| 1077 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1078 ret = JNIWeakGlobalRefType; | |
| 1079 else | |
| 1080 ret = JNIInvalidRefType; | |
| 4006 | 1081 #ifndef USDT2 |
| 0 | 1082 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1083 #else /* USDT2 */ |
| 1084 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1085 (void *) ret); | |
| 1086 #endif /* USDT2 */ | |
| 0 | 1087 return ret; |
| 1088 JNI_END | |
| 1089 | |
| 1090 | |
| 1091 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1092 protected: | |
| 1093 JavaCallArguments* _arguments; | |
| 1094 | |
| 1095 virtual void get_bool () = 0; | |
| 1096 virtual void get_char () = 0; | |
| 1097 virtual void get_short () = 0; | |
| 1098 virtual void get_byte () = 0; | |
| 1099 virtual void get_int () = 0; | |
| 1100 virtual void get_long () = 0; | |
| 1101 virtual void get_float () = 0; | |
| 1102 virtual void get_double () = 0; | |
| 1103 virtual void get_object () = 0; | |
| 1104 | |
|
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1105 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1106 this->_return_type = T_ILLEGAL; |
| 1107 _arguments = NULL; | |
| 1108 } | |
| 1109 | |
| 1110 public: | |
| 1111 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1112 | |
| 1113 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1114 | |
| 1115 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1116 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1117 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1118 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1119 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1120 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1121 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1122 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1123 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1124 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1125 inline void do_void() { } | |
| 1126 | |
| 1127 JavaCallArguments* arguments() { return _arguments; } | |
| 1128 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1129 }; | |
| 1130 | |
| 1131 | |
| 1132 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1133 protected: | |
| 1134 va_list _ap; | |
| 1135 | |
| 1136 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1137 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1138 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1139 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1140 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1141 | |
| 1142 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1143 | |
| 1144 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1145 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1146 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1147 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1148 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1149 | |
| 1150 inline void set_ap(va_list rap) { | |
| 1151 #ifdef va_copy | |
| 1152 va_copy(_ap, rap); | |
| 1153 #elif defined (__va_copy) | |
| 1154 __va_copy(_ap, rap); | |
| 1155 #else | |
| 1156 _ap = rap; | |
| 1157 #endif | |
| 1158 } | |
| 1159 | |
| 1160 public: | |
|
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1161 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1162 : JNI_ArgumentPusher(signature) { |
| 0 | 1163 set_ap(rap); |
| 1164 } | |
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1165 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1166 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1167 set_ap(rap); |
| 1168 } | |
| 1169 | |
| 1170 // Optimized path if we have the bitvector form of signature | |
| 1171 void iterate( uint64_t fingerprint ) { | |
| 1172 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1173 else { | |
| 1174 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1175 result_feature_mask); | |
| 1176 | |
| 1177 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1178 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1179 while ( 1 ) { | |
| 1180 switch ( fingerprint & parameter_feature_mask ) { | |
| 1181 case bool_parm: | |
| 1182 case char_parm: | |
| 1183 case short_parm: | |
| 1184 case byte_parm: | |
| 1185 case int_parm: | |
| 1186 get_int(); | |
| 1187 break; | |
| 1188 case obj_parm: | |
| 1189 get_object(); | |
| 1190 break; | |
| 1191 case long_parm: | |
| 1192 get_long(); | |
| 1193 break; | |
| 1194 case float_parm: | |
| 1195 get_float(); | |
| 1196 break; | |
| 1197 case double_parm: | |
| 1198 get_double(); | |
| 1199 break; | |
| 1200 case done_parm: | |
| 1201 return; | |
| 1202 break; | |
| 1203 default: | |
| 1204 ShouldNotReachHere(); | |
| 1205 break; | |
| 1206 } | |
| 1207 fingerprint >>= parameter_feature_size; | |
| 1208 } | |
| 1209 } | |
| 1210 } | |
| 1211 }; | |
| 1212 | |
| 1213 | |
| 1214 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1215 protected: | |
| 1216 const jvalue *_ap; | |
| 1217 | |
| 1218 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1219 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1220 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1221 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1222 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1223 | |
| 1224 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1225 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1226 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1227 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1228 | |
| 1229 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1230 | |
| 1231 public: | |
|
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1232 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1233 : JNI_ArgumentPusher(signature) { |
| 0 | 1234 set_ap(rap); |
| 1235 } | |
|
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1236 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
|
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1237 : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1238 set_ap(rap); |
| 1239 } | |
| 1240 | |
| 1241 // Optimized path if we have the bitvector form of signature | |
| 1242 void iterate( uint64_t fingerprint ) { | |
| 1243 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1244 else { | |
| 1245 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1246 result_feature_mask); | |
| 1247 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1248 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1249 while ( 1 ) { | |
| 1250 switch ( fingerprint & parameter_feature_mask ) { | |
| 1251 case bool_parm: | |
| 1252 get_bool(); | |
| 1253 break; | |
| 1254 case char_parm: | |
| 1255 get_char(); | |
| 1256 break; | |
| 1257 case short_parm: | |
| 1258 get_short(); | |
| 1259 break; | |
| 1260 case byte_parm: | |
| 1261 get_byte(); | |
| 1262 break; | |
| 1263 case int_parm: | |
| 1264 get_int(); | |
| 1265 break; | |
| 1266 case obj_parm: | |
| 1267 get_object(); | |
| 1268 break; | |
| 1269 case long_parm: | |
| 1270 get_long(); | |
| 1271 break; | |
| 1272 case float_parm: | |
| 1273 get_float(); | |
| 1274 break; | |
| 1275 case double_parm: | |
| 1276 get_double(); | |
| 1277 break; | |
| 1278 case done_parm: | |
| 1279 return; | |
| 1280 break; | |
| 1281 default: | |
| 1282 ShouldNotReachHere(); | |
| 1283 break; | |
| 1284 } | |
| 1285 fingerprint >>= parameter_feature_size; | |
| 1286 } | |
| 1287 } | |
| 1288 } | |
| 1289 }; | |
| 1290 | |
| 1291 | |
| 1292 enum JNICallType { | |
| 1293 JNI_STATIC, | |
| 1294 JNI_VIRTUAL, | |
| 1295 JNI_NONVIRTUAL | |
| 1296 }; | |
| 1297 | |
| 1298 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
| 1299 assert(!method.is_null() , "method should not be null"); | |
| 1300 | |
| 1301 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1302 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1303 KlassHandle spec_klass (THREAD, method->method_holder()); | |
|
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1304 Symbol* name = method->name(); |
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1305 Symbol* signature = method->signature(); |
| 0 | 1306 CallInfo info; |
| 1307 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1308 return info.selected_method(); | |
| 1309 } | |
| 1310 | |
| 1311 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
| 1312 assert(!method.is_null() , "method should not be null"); | |
| 1313 | |
| 1314 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1315 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1316 KlassHandle spec_klass (THREAD, method->method_holder()); | |
|
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1317 Symbol* name = method->name(); |
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1318 Symbol* signature = method->signature(); |
| 0 | 1319 CallInfo info; |
| 1320 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1321 return info.selected_method(); | |
| 1322 } | |
| 1323 | |
| 1324 | |
|
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1325 static bool first_time_InvokeMain = true; |
| 0 | 1326 |
| 1327 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1328 methodHandle method(THREAD, JNIHandles::resolve_jmethod_id(method_id)); | |
| 1329 | |
| 1330 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1331 // the jni parser | |
| 1332 ResourceMark rm(THREAD); | |
| 1333 int number_of_parameters = method->size_of_parameters(); | |
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1334 |
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1335 // Invoke the method. Result is returned as oop. |
| 0 | 1336 JavaCallArguments java_args(number_of_parameters); |
| 1337 args->set_java_argument_object(&java_args); | |
| 1338 | |
| 1339 assert(method->is_static(), "method should be static"); | |
| 1340 | |
| 1341 // Fill out JavaCallArguments object | |
|
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1342 args->iterate( Fingerprinter(method).fingerprint() ); |
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1343 // Initialize result type (must be done after args->iterate()) |
| 0 | 1344 result->set_type(args->get_ret_type()); |
| 1345 | |
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1346 #ifdef HIGH_LEVEL_INTERPRETER |
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1347 // TODO (chaeubl): this is quite a hack. The launcher should take care about that instead. |
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1348 bool invoked_main_method = false; |
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1349 if (HighLevelInterpreterClass != NULL && first_time_InvokeMain && method->name() == vmSymbols::main_name() && method->result_type() == T_VOID) { |
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1350 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
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1351 JavaThread* thread = (JavaThread*)THREAD; |
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1352 first_time_InvokeMain = false; |
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1353 invoked_main_method = true; |
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1354 thread->set_high_level_interpreter_in_vm(true); |
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1355 } |
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1356 #endif |
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1357 |
| 0 | 1358 JavaCalls::call(result, method, &java_args, CHECK); |
| 1359 | |
| 1360 // Convert result | |
| 1361 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1362 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1363 } | |
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1364 |
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1365 #ifdef HIGH_LEVEL_INTERPRETER |
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1366 if (invoked_main_method) { |
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1367 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
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1368 JavaThread* thread = (JavaThread*)THREAD; |
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1369 thread->set_high_level_interpreter_in_vm(false); |
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1370 } |
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1371 #endif |
| 0 | 1372 } |
| 1373 | |
| 1374 | |
| 1375 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1376 oop recv = JNIHandles::resolve(receiver); | |
| 1377 if (recv == NULL) { | |
| 1378 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1379 } | |
| 1380 Handle h_recv(THREAD, recv); | |
| 1381 | |
| 1382 int number_of_parameters; | |
| 1383 methodOop selected_method; | |
| 1384 { | |
| 1385 methodOop m = JNIHandles::resolve_jmethod_id(method_id); | |
| 1386 number_of_parameters = m->size_of_parameters(); | |
| 1387 klassOop holder = m->method_holder(); | |
| 1388 if (!(Klass::cast(holder))->is_interface()) { | |
| 1389 // non-interface call -- for that little speed boost, don't handlize | |
| 1390 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1391 if (call_type == JNI_VIRTUAL) { | |
| 1392 // jni_GetMethodID makes sure class is linked and initialized | |
| 1393 // so m should have a valid vtable index. | |
| 1394 int vtbl_index = m->vtable_index(); | |
| 1395 if (vtbl_index != methodOopDesc::nonvirtual_vtable_index) { | |
| 1396 klassOop k = h_recv->klass(); | |
| 1397 // k might be an arrayKlassOop but all vtables start at | |
| 1398 // the same place. The cast is to avoid virtual call and assertion. | |
| 1399 instanceKlass *ik = (instanceKlass*)k->klass_part(); | |
| 1400 selected_method = ik->method_at_vtable(vtbl_index); | |
| 1401 } else { | |
| 1402 // final method | |
| 1403 selected_method = m; | |
| 1404 } | |
| 1405 } else { | |
| 1406 // JNI_NONVIRTUAL call | |
| 1407 selected_method = m; | |
| 1408 } | |
| 1409 } else { | |
| 1410 // interface call | |
| 1411 KlassHandle h_holder(THREAD, holder); | |
| 1412 | |
| 1413 int itbl_index = m->cached_itable_index(); | |
| 1414 if (itbl_index == -1) { | |
| 1415 itbl_index = klassItable::compute_itable_index(m); | |
| 1416 m->set_cached_itable_index(itbl_index); | |
| 1417 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
| 1418 } | |
| 1419 klassOop k = h_recv->klass(); | |
| 1420 selected_method = instanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
| 1421 } | |
| 1422 } | |
| 1423 | |
| 1424 methodHandle method(THREAD, selected_method); | |
| 1425 | |
| 1426 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1427 // the jni parser | |
| 1428 ResourceMark rm(THREAD); | |
| 1429 JavaCallArguments java_args(number_of_parameters); | |
| 1430 args->set_java_argument_object(&java_args); | |
| 1431 | |
| 1432 // handle arguments | |
| 1433 assert(!method->is_static(), "method should not be static"); | |
| 1434 args->push_receiver(h_recv); // Push jobject handle | |
| 1435 | |
| 1436 // Fill out JavaCallArguments object | |
|
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1437 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1438 // Initialize result type |
| 1439 result->set_type(args->get_ret_type()); | |
| 1440 | |
| 1441 // Invoke the method. Result is returned as oop. | |
| 1442 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1443 | |
| 1444 // Convert result | |
| 1445 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1446 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1447 } | |
| 1448 } | |
| 1449 | |
| 1450 | |
| 1451 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
| 1452 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 1453 Klass::cast(k())->check_valid_for_instantiation(false, CHECK_NULL); | |
| 1454 instanceKlass::cast(k())->initialize(CHECK_NULL); | |
| 1455 instanceOop ih = instanceKlass::cast(k())->allocate_instance(THREAD); | |
| 1456 return ih; | |
| 1457 } | |
| 1458 | |
| 4006 | 1459 #ifndef USDT2 |
| 0 | 1460 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1461 #else /* USDT2 */ |
| 1462 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1463 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1464 #endif /* USDT2 */ | |
| 0 | 1465 |
| 1466 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1467 JNIWrapper("AllocObject"); | |
| 1468 | |
| 4006 | 1469 #ifndef USDT2 |
| 0 | 1470 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1471 #else /* USDT2 */ |
| 1472 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1473 env, clazz); | |
| 1474 #endif /* USDT2 */ | |
| 0 | 1475 jobject ret = NULL; |
| 1476 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1477 | |
| 1478 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1479 ret = JNIHandles::make_local(env, i); | |
| 1480 return ret; | |
| 1481 JNI_END | |
| 1482 | |
| 4006 | 1483 #ifndef USDT2 |
| 0 | 1484 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1485 #else /* USDT2 */ |
| 1486 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1487 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1488 #endif /* USDT2 */ | |
| 0 | 1489 |
| 1490 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1491 JNIWrapper("NewObjectA"); | |
| 4006 | 1492 #ifndef USDT2 |
| 0 | 1493 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1494 #else /* USDT2 */ |
| 1495 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1496 env, clazz, (uintptr_t) methodID); | |
| 1497 #endif /* USDT2 */ | |
| 0 | 1498 jobject obj = NULL; |
| 1499 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1500 | |
| 1501 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1502 obj = JNIHandles::make_local(env, i); | |
| 1503 JavaValue jvalue(T_VOID); | |
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1504 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1505 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1506 return obj; | |
| 1507 JNI_END | |
| 1508 | |
| 4006 | 1509 #ifndef USDT2 |
| 0 | 1510 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1511 #else /* USDT2 */ |
| 1512 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1513 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1514 #endif /* USDT2 */ | |
| 0 | 1515 |
| 1516 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1517 JNIWrapper("NewObjectV"); | |
| 4006 | 1518 #ifndef USDT2 |
| 0 | 1519 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1520 #else /* USDT2 */ |
| 1521 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1522 env, clazz, (uintptr_t) methodID); | |
| 1523 #endif /* USDT2 */ | |
| 0 | 1524 jobject obj = NULL; |
| 1525 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1526 | |
| 1527 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1528 obj = JNIHandles::make_local(env, i); | |
| 1529 JavaValue jvalue(T_VOID); | |
|
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1530 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1531 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1532 return obj; | |
| 1533 JNI_END | |
| 1534 | |
| 4006 | 1535 #ifndef USDT2 |
| 0 | 1536 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1537 #else /* USDT2 */ |
| 1538 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1539 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1540 #endif /* USDT2 */ | |
| 0 | 1541 |
| 1542 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1543 JNIWrapper("NewObject"); | |
| 4006 | 1544 #ifndef USDT2 |
| 0 | 1545 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1546 #else /* USDT2 */ |
| 1547 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1548 env, clazz, (uintptr_t) methodID); | |
| 1549 #endif /* USDT2 */ | |
| 0 | 1550 jobject obj = NULL; |
| 1551 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1552 | |
| 1553 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1554 obj = JNIHandles::make_local(env, i); | |
| 1555 va_list args; | |
| 1556 va_start(args, methodID); | |
| 1557 JavaValue jvalue(T_VOID); | |
|
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1558 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1559 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1560 va_end(args); | |
| 1561 return obj; | |
| 1562 JNI_END | |
| 1563 | |
| 1564 | |
| 1565 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1566 JNIWrapper("GetObjectClass"); | |
| 4006 | 1567 #ifndef USDT2 |
| 0 | 1568 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1569 #else /* USDT2 */ |
| 1570 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1571 env, obj); | |
| 1572 #endif /* USDT2 */ | |
| 0 | 1573 klassOop k = JNIHandles::resolve_non_null(obj)->klass(); |
| 1574 jclass ret = | |
| 1575 (jclass) JNIHandles::make_local(env, Klass::cast(k)->java_mirror()); | |
| 4006 | 1576 #ifndef USDT2 |
| 0 | 1577 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1578 #else /* USDT2 */ |
| 1579 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1580 ret); | |
| 1581 #endif /* USDT2 */ | |
| 0 | 1582 return ret; |
| 1583 JNI_END | |
| 1584 | |
| 1585 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1586 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1587 #ifndef USDT2 |
| 0 | 1588 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1589 #else /* USDT2 */ |
| 1590 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1591 env, obj, clazz); | |
| 1592 #endif /* USDT2 */ | |
| 0 | 1593 jboolean ret = JNI_TRUE; |
| 1594 if (obj != NULL) { | |
| 1595 ret = JNI_FALSE; | |
| 1596 klassOop k = java_lang_Class::as_klassOop( | |
| 1597 JNIHandles::resolve_non_null(clazz)); | |
| 1598 if (k != NULL) { | |
| 1599 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1600 } | |
| 1601 } | |
| 4006 | 1602 #ifndef USDT2 |
| 0 | 1603 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1604 #else /* USDT2 */ |
| 1605 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1606 ret); | |
| 1607 #endif /* USDT2 */ | |
| 0 | 1608 return ret; |
| 1609 JNI_END | |
| 1610 | |
| 1611 | |
| 1612 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1613 const char *sig, bool is_static, TRAPS) { | |
| 1614 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1615 // | |
| 1616 // The class should have been loaded (we have an instance of the class | |
| 1617 // passed in) so the method and signature should already be in the symbol | |
| 1618 // table. If they're not there, the method doesn't exist. | |
|
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1619 const char *name_to_probe = (name_str == NULL) |
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1620 ? vmSymbols::object_initializer_name()->as_C_string() |
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1621 : name_str; |
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1622 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1623 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1624 |
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1625 if (name == NULL || signature == NULL) { |
| 0 | 1626 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1627 } | |
| 1628 | |
| 1629 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1630 // primitive java.lang.Class | |
| 1631 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1632 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1633 } | |
| 1634 | |
| 1635 KlassHandle klass(THREAD, | |
| 1636 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 1637 | |
| 1638 // Make sure class is linked and initialized before handing id's out to | |
| 1639 // methodOops. | |
| 1640 Klass::cast(klass())->initialize(CHECK_NULL); | |
| 1641 | |
| 1642 methodOop m; | |
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1643 if (name == vmSymbols::object_initializer_name() || |
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1644 name == vmSymbols::class_initializer_name()) { |
| 0 | 1645 // Never search superclasses for constructors |
| 1646 if (klass->oop_is_instance()) { | |
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1647 m = instanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1648 } else { |
| 1649 m = NULL; | |
| 1650 } | |
| 1651 } else { | |
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1652 m = klass->lookup_method(name, signature); |
| 0 | 1653 // Look up interfaces |
| 1654 if (m == NULL && klass->oop_is_instance()) { | |
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1655 m = instanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1656 signature); |
| 0 | 1657 } |
| 1658 } | |
| 1659 if (m == NULL || (m->is_static() != is_static)) { | |
| 1660 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1661 } | |
| 1662 return m->jmethod_id(); | |
| 1663 } | |
| 1664 | |
| 1665 | |
| 1666 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1667 const char *name, const char *sig)) | |
| 1668 JNIWrapper("GetMethodID"); | |
| 4006 | 1669 #ifndef USDT2 |
| 0 | 1670 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1671 #else /* USDT2 */ |
| 1672 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1673 env, clazz, (char *) name, (char *) sig); | |
| 1674 #endif /* USDT2 */ | |
| 0 | 1675 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1676 #ifndef USDT2 |
| 0 | 1677 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1678 #else /* USDT2 */ |
| 1679 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1680 (uintptr_t) ret); | |
| 1681 #endif /* USDT2 */ | |
| 0 | 1682 return ret; |
| 1683 JNI_END | |
| 1684 | |
| 1685 | |
| 1686 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1687 const char *name, const char *sig)) | |
| 1688 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1689 #ifndef USDT2 |
| 0 | 1690 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1691 #else /* USDT2 */ |
| 1692 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1693 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1694 #endif /* USDT2 */ | |
| 0 | 1695 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1696 #ifndef USDT2 |
| 0 | 1697 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1698 #else /* USDT2 */ |
| 1699 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1700 (uintptr_t) ret); | |
| 1701 #endif /* USDT2 */ | |
| 0 | 1702 return ret; |
| 1703 JNI_END | |
| 1704 | |
| 1705 | |
| 1706 | |
| 1707 // | |
| 1708 // Calling Methods | |
| 1709 // | |
| 1710 | |
| 4006 | 1711 #ifndef USDT2 |
| 0 | 1712 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1713 \ | |
| 1714 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1715 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1716 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1717 \ | |
| 1718 JNI_ENTRY(ResultType, \ | |
| 1719 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1720 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1721 \ | |
| 4006 | 1722 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1723 ResultType ret = 0;\ |
| 1724 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1725 (const ResultType&)ret);\ | |
| 1726 \ | |
| 1727 va_list args; \ | |
| 1728 va_start(args, methodID); \ | |
| 1729 JavaValue jvalue(Tag); \ | |
|
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1730 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1731 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1732 va_end(args); \ | |
| 1733 ret = jvalue.get_##ResultType(); \ | |
| 1734 return ret;\ | |
| 1735 JNI_END \ | |
| 1736 \ | |
| 1737 \ | |
| 1738 JNI_ENTRY(ResultType, \ | |
| 1739 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1740 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1741 \ | |
| 4006 | 1742 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1743 ResultType ret = 0;\ |
| 1744 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1745 (const ResultType&)ret);\ | |
| 1746 \ | |
| 1747 JavaValue jvalue(Tag); \ | |
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1748 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1749 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1750 ret = jvalue.get_##ResultType(); \ | |
| 1751 return ret;\ | |
| 1752 JNI_END \ | |
| 1753 \ | |
| 1754 \ | |
| 1755 JNI_ENTRY(ResultType, \ | |
| 1756 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1757 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1758 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1759 ResultType ret = 0;\ |
| 1760 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1761 (const ResultType&)ret);\ | |
| 1762 \ | |
| 1763 JavaValue jvalue(Tag); \ | |
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1764 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1765 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1766 ret = jvalue.get_##ResultType(); \ | |
| 1767 return ret;\ | |
| 1768 JNI_END | |
| 1769 | |
| 1770 // the runtime type of subword integral basic types is integer | |
| 1771 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1772 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1773 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1774 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1775 | |
| 1776 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1777 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1778 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1779 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1780 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1781 | |
| 1782 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1783 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1784 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1785 | |
| 4006 | 1786 #else /* USDT2 */ |
| 1787 | |
| 1788 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1789 , EntryProbe, ReturnProbe) \ | |
| 1790 \ | |
| 1791 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1792 , ReturnProbe); \ | |
| 1793 \ | |
| 1794 JNI_ENTRY(ResultType, \ | |
| 1795 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1796 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1797 \ | |
| 1798 EntryProbe; \ | |
| 1799 ResultType ret = 0;\ | |
| 1800 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1801 (const ResultType&)ret);\ | |
| 1802 \ | |
| 1803 va_list args; \ | |
| 1804 va_start(args, methodID); \ | |
| 1805 JavaValue jvalue(Tag); \ | |
| 1806 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1807 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1808 va_end(args); \ | |
| 1809 ret = jvalue.get_##ResultType(); \ | |
| 1810 return ret;\ | |
| 1811 JNI_END | |
| 1812 | |
| 1813 // the runtime type of subword integral basic types is integer | |
| 1814 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1815 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1816 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1817 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1818 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1819 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1820 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1821 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1822 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1823 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1824 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1825 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1826 | |
| 1827 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1828 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1829 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1830 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1831 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1832 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1833 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1834 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1835 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1836 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1837 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1838 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1839 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1840 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1841 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1842 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1843 | |
| 1844 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1845 , EntryProbe, ReturnProbe) \ | |
| 1846 \ | |
| 1847 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1848 , ReturnProbe); \ | |
| 1849 \ | |
| 1850 JNI_ENTRY(ResultType, \ | |
| 1851 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1852 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1853 \ | |
| 1854 EntryProbe;\ | |
| 1855 ResultType ret = 0;\ | |
| 1856 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1857 (const ResultType&)ret);\ | |
| 1858 \ | |
| 1859 JavaValue jvalue(Tag); \ | |
| 1860 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1861 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1862 ret = jvalue.get_##ResultType(); \ | |
| 1863 return ret;\ | |
| 1864 JNI_END | |
| 1865 | |
| 1866 // the runtime type of subword integral basic types is integer | |
| 1867 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1868 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1869 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1870 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1871 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1872 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1873 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1874 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1875 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1876 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1877 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1878 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1879 | |
| 1880 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1881 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1882 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1883 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1884 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1885 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1886 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1887 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1888 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1889 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1890 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1891 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1892 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1893 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1894 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1895 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1896 | |
| 1897 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1898 , EntryProbe, ReturnProbe) \ | |
| 1899 \ | |
| 1900 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1901 , ReturnProbe); \ | |
| 1902 \ | |
| 1903 JNI_ENTRY(ResultType, \ | |
| 1904 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1905 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1906 EntryProbe; \ | |
| 1907 ResultType ret = 0;\ | |
| 1908 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1909 (const ResultType&)ret);\ | |
| 1910 \ | |
| 1911 JavaValue jvalue(Tag); \ | |
| 1912 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1913 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1914 ret = jvalue.get_##ResultType(); \ | |
| 1915 return ret;\ | |
| 1916 JNI_END | |
| 1917 | |
| 1918 // the runtime type of subword integral basic types is integer | |
| 1919 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1920 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1921 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1922 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1923 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1924 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1925 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1926 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1927 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1928 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1929 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1930 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1931 | |
| 1932 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1933 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1934 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1935 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1936 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1937 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1938 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1939 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1940 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1941 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1942 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1943 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1944 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1945 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1946 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1947 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1948 | |
| 1949 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1950 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1951 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1952 | |
| 1953 #endif /* USDT2 */ | |
| 1954 | |
| 0 | 1955 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1956 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1957 #ifndef USDT2 |
| 0 | 1958 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1959 #else /* USDT2 */ |
| 1960 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1961 env, obj, (uintptr_t) methodID); | |
| 1962 #endif /* USDT2 */ | |
| 0 | 1963 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1964 | |
| 1965 va_list args; | |
| 1966 va_start(args, methodID); | |
| 1967 JavaValue jvalue(T_VOID); | |
|
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1968 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1969 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1970 va_end(args); | |
| 1971 JNI_END | |
| 1972 | |
| 1973 | |
| 1974 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1975 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1976 #ifndef USDT2 |
| 0 | 1977 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1978 #else /* USDT2 */ |
| 1979 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1980 env, obj, (uintptr_t) methodID); | |
| 1981 #endif /* USDT2 */ | |
| 0 | 1982 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1983 | |
| 1984 JavaValue jvalue(T_VOID); | |
|
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1985 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1986 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1987 JNI_END | |
| 1988 | |
| 1989 | |
| 1990 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1991 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1992 #ifndef USDT2 |
| 0 | 1993 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1994 #else /* USDT2 */ |
| 1995 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1996 env, obj, (uintptr_t) methodID); | |
| 1997 #endif /* USDT2 */ | |
| 0 | 1998 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1999 | |
| 2000 JavaValue jvalue(T_VOID); | |
|
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2001 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2002 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 2003 JNI_END | |
| 2004 | |
| 2005 | |
| 4006 | 2006 #ifndef USDT2 |
| 0 | 2007 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 2008 \ | |
| 2009 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 2010 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 2011 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 2012 \ | |
| 2013 JNI_ENTRY(ResultType, \ | |
| 2014 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2015 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2016 \ | |
| 2017 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 2018 ResultType ret;\ | |
| 2019 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2020 (const ResultType&)ret);\ | |
| 2021 \ | |
| 2022 va_list args; \ | |
| 2023 va_start(args, methodID); \ | |
| 2024 JavaValue jvalue(Tag); \ | |
|
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2025 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2026 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2027 va_end(args); \ | |
| 2028 ret = jvalue.get_##ResultType(); \ | |
| 2029 return ret;\ | |
| 2030 JNI_END \ | |
| 2031 \ | |
| 2032 JNI_ENTRY(ResultType, \ | |
| 2033 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2034 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 2035 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 2036 ResultType ret;\ | |
| 2037 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2038 (const ResultType&)ret);\ | |
| 2039 \ | |
| 2040 JavaValue jvalue(Tag); \ | |
|
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2041 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2042 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2043 ret = jvalue.get_##ResultType(); \ | |
| 2044 return ret;\ | |
| 2045 JNI_END \ | |
| 2046 \ | |
| 2047 JNI_ENTRY(ResultType, \ | |
| 2048 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2049 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2050 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 2051 ResultType ret;\ | |
| 2052 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2053 (const ResultType&)ret);\ | |
| 2054 \ | |
| 2055 JavaValue jvalue(Tag); \ | |
|
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2056 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2057 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2058 ret = jvalue.get_##ResultType(); \ | |
| 2059 return ret;\ | |
| 2060 JNI_END | |
| 2061 | |
| 2062 // the runtime type of subword integral basic types is integer | |
| 2063 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2064 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2065 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2066 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2067 | |
| 2068 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2069 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2070 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2071 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2072 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2073 | |
| 2074 | |
| 2075 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2076 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2077 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2078 | |
| 4006 | 2079 #else /* USDT2 */ |
| 2080 | |
| 2081 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2082 , EntryProbe, ReturnProbe) \ | |
| 2083 \ | |
| 2084 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2085 , ReturnProbe);\ | |
| 2086 \ | |
| 2087 JNI_ENTRY(ResultType, \ | |
| 2088 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2089 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2090 \ | |
| 2091 EntryProbe;\ | |
| 2092 ResultType ret;\ | |
| 2093 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2094 (const ResultType&)ret);\ | |
| 2095 \ | |
| 2096 va_list args; \ | |
| 2097 va_start(args, methodID); \ | |
| 2098 JavaValue jvalue(Tag); \ | |
| 2099 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2100 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2101 va_end(args); \ | |
| 2102 ret = jvalue.get_##ResultType(); \ | |
| 2103 return ret;\ | |
| 2104 JNI_END | |
| 2105 | |
| 2106 // the runtime type of subword integral basic types is integer | |
| 2107 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2108 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2109 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2110 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2111 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2112 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2113 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2114 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2115 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2116 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2117 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2118 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2119 | |
| 2120 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2121 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2122 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2123 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2124 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2125 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2126 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2127 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2128 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2129 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2130 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2131 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2132 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2133 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2134 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2135 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2136 | |
| 2137 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2138 , EntryProbe, ReturnProbe) \ | |
| 2139 \ | |
| 2140 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2141 , ReturnProbe);\ | |
| 2142 \ | |
| 2143 JNI_ENTRY(ResultType, \ | |
| 2144 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2145 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2146 \ | |
| 2147 EntryProbe;\ | |
| 2148 ResultType ret;\ | |
| 2149 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2150 (const ResultType&)ret);\ | |
| 2151 \ | |
| 2152 JavaValue jvalue(Tag); \ | |
| 2153 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2154 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2155 ret = jvalue.get_##ResultType(); \ | |
| 2156 return ret;\ | |
| 2157 JNI_END | |
| 2158 | |
| 2159 // the runtime type of subword integral basic types is integer | |
| 2160 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2161 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2162 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2163 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2164 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2165 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2166 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2167 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2168 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2169 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2170 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2171 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2172 | |
| 2173 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2174 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2175 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2176 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2177 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2178 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2179 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2180 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2181 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2182 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2183 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2184 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2185 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2186 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2187 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2188 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2189 | |
| 2190 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2191 , EntryProbe, ReturnProbe) \ | |
| 2192 \ | |
| 2193 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2194 , ReturnProbe);\ | |
| 2195 \ | |
| 2196 JNI_ENTRY(ResultType, \ | |
| 2197 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2198 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2199 \ | |
| 2200 EntryProbe;\ | |
| 2201 ResultType ret;\ | |
| 2202 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2203 (const ResultType&)ret);\ | |
| 2204 \ | |
| 2205 JavaValue jvalue(Tag); \ | |
| 2206 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2207 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2208 ret = jvalue.get_##ResultType(); \ | |
| 2209 return ret;\ | |
| 2210 JNI_END | |
| 2211 | |
| 2212 // the runtime type of subword integral basic types is integer | |
| 2213 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2214 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2215 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2216 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2217 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2218 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2219 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2220 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2221 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2222 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2223 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2224 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2225 | |
| 2226 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2227 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2228 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2229 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2230 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2231 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2232 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2233 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2234 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2235 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2236 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2237 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2238 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2239 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2240 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2241 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2242 | |
| 2243 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2244 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2245 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2246 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2247 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2248 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2249 #endif /* USDT2 */ | |
| 2250 | |
| 0 | 2251 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2252 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2253 | |
| 4006 | 2254 #ifndef USDT2 |
| 0 | 2255 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2256 env, obj, cls, methodID); | |
| 4006 | 2257 #else /* USDT2 */ |
| 2258 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2259 env, obj, cls, (uintptr_t) methodID); | |
| 2260 #endif /* USDT2 */ | |
| 0 | 2261 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2262 | |
| 2263 va_list args; | |
| 2264 va_start(args, methodID); | |
| 2265 JavaValue jvalue(T_VOID); | |
|
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2266 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2267 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2268 va_end(args); | |
| 2269 JNI_END | |
| 2270 | |
| 2271 | |
| 2272 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2273 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2274 | |
| 4006 | 2275 #ifndef USDT2 |
| 0 | 2276 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2277 env, obj, cls, methodID); | |
| 4006 | 2278 #else /* USDT2 */ |
| 2279 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2280 env, obj, cls, (uintptr_t) methodID); | |
| 2281 #endif /* USDT2 */ | |
| 0 | 2282 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2283 | |
| 2284 JavaValue jvalue(T_VOID); | |
|
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2285 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2286 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2287 JNI_END | |
| 2288 | |
| 2289 | |
| 2290 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2291 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2292 #ifndef USDT2 |
| 0 | 2293 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2294 env, obj, cls, methodID); | |
| 4006 | 2295 #else /* USDT2 */ |
| 2296 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2297 env, obj, cls, (uintptr_t) methodID); | |
| 2298 #endif /* USDT2 */ | |
| 0 | 2299 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2300 JavaValue jvalue(T_VOID); | |
|
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2301 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2302 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2303 JNI_END | |
| 2304 | |
| 2305 | |
| 4006 | 2306 #ifndef USDT2 |
| 0 | 2307 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2308 \ | |
| 2309 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2310 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2311 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2312 \ | |
| 2313 JNI_ENTRY(ResultType, \ | |
| 2314 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2315 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2316 \ | |
| 2317 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2318 ResultType ret = 0;\ | |
| 2319 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2320 (const ResultType&)ret);\ | |
| 2321 \ | |
| 2322 va_list args; \ | |
| 2323 va_start(args, methodID); \ | |
| 2324 JavaValue jvalue(Tag); \ | |
|
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2325 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2326 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2327 va_end(args); \ | |
| 2328 ret = jvalue.get_##ResultType(); \ | |
| 2329 return ret;\ | |
| 2330 JNI_END \ | |
| 2331 \ | |
| 2332 JNI_ENTRY(ResultType, \ | |
| 2333 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2334 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2335 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2336 ResultType ret = 0;\ | |
| 2337 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2338 (const ResultType&)ret);\ | |
| 2339 \ | |
| 2340 JavaValue jvalue(Tag); \ | |
|
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|
2341 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2342 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2343 ret = jvalue.get_##ResultType(); \ | |
| 2344 return ret;\ | |
| 2345 JNI_END \ | |
| 2346 \ | |
| 2347 JNI_ENTRY(ResultType, \ | |
| 2348 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2349 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2350 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2351 ResultType ret = 0;\ | |
| 2352 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2353 (const ResultType&)ret);\ | |
| 2354 \ | |
| 2355 JavaValue jvalue(Tag); \ | |
|
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|
2356 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2357 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2358 ret = jvalue.get_##ResultType(); \ | |
| 2359 return ret;\ | |
| 2360 JNI_END | |
| 2361 | |
| 2362 // the runtime type of subword integral basic types is integer | |
| 2363 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2364 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2365 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2366 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2367 | |
| 2368 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2369 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2370 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2371 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2372 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2373 | |
| 2374 | |
| 2375 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2376 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2377 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2378 | |
| 4006 | 2379 #else /* USDT2 */ |
| 2380 | |
| 2381 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2382 , EntryProbe, ResultProbe) \ | |
| 2383 \ | |
| 2384 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2385 , ResultProbe); \ | |
| 2386 \ | |
| 2387 JNI_ENTRY(ResultType, \ | |
| 2388 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2389 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2390 \ | |
| 2391 EntryProbe; \ | |
| 2392 ResultType ret = 0;\ | |
| 2393 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2394 (const ResultType&)ret);\ | |
| 2395 \ | |
| 2396 va_list args; \ | |
| 2397 va_start(args, methodID); \ | |
| 2398 JavaValue jvalue(Tag); \ | |
| 2399 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2400 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2401 va_end(args); \ | |
| 2402 ret = jvalue.get_##ResultType(); \ | |
| 2403 return ret;\ | |
| 2404 JNI_END | |
| 2405 | |
| 2406 // the runtime type of subword integral basic types is integer | |
| 2407 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2408 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2409 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2410 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2411 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2412 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2413 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2414 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2415 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2416 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2417 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2418 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2419 | |
| 2420 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2421 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2422 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2423 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2424 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2425 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2426 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2427 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2428 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2429 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2430 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2431 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2432 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2433 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2434 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2435 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2436 | |
| 2437 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2438 , EntryProbe, ResultProbe) \ | |
| 2439 \ | |
| 2440 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2441 , ResultProbe); \ | |
| 2442 \ | |
| 2443 JNI_ENTRY(ResultType, \ | |
| 2444 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2445 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2446 \ | |
| 2447 EntryProbe; \ | |
| 2448 ResultType ret = 0;\ | |
| 2449 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2450 (const ResultType&)ret);\ | |
| 2451 \ | |
| 2452 JavaValue jvalue(Tag); \ | |
| 2453 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2454 /* Make sure class is initialized before trying to invoke its method */ \ | |
| 2455 KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls))); \ | |
| 2456 Klass::cast(k())->initialize(CHECK_0); \ | |
| 2457 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2458 va_end(args); \ | |
| 2459 ret = jvalue.get_##ResultType(); \ | |
| 2460 return ret;\ | |
| 2461 JNI_END | |
| 2462 | |
| 2463 // the runtime type of subword integral basic types is integer | |
| 2464 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2465 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2466 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2467 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2468 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2469 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2470 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2471 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2472 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2473 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2474 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2475 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2476 | |
| 2477 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2478 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2479 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2480 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2481 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2482 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2483 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2484 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2485 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2486 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2487 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2488 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2489 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2490 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2491 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2492 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2493 | |
| 2494 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2495 , EntryProbe, ResultProbe) \ | |
| 2496 \ | |
| 2497 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2498 , ResultProbe); \ | |
| 2499 \ | |
| 2500 JNI_ENTRY(ResultType, \ | |
| 2501 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2502 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2503 \ | |
| 2504 EntryProbe; \ | |
| 2505 ResultType ret = 0;\ | |
| 2506 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2507 (const ResultType&)ret);\ | |
| 2508 \ | |
| 2509 JavaValue jvalue(Tag); \ | |
| 2510 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2511 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2512 ret = jvalue.get_##ResultType(); \ | |
| 2513 return ret;\ | |
| 2514 JNI_END | |
| 2515 | |
| 2516 // the runtime type of subword integral basic types is integer | |
| 2517 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2518 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2519 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2520 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2521 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2522 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2523 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2524 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2525 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2526 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2527 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2528 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2529 | |
| 2530 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2531 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2532 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2533 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2534 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2535 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2536 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2537 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2538 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2539 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2540 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2541 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2542 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2543 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2544 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2545 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2546 | |
| 2547 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2548 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2549 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2550 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2551 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2552 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2553 #endif /* USDT2 */ | |
| 2554 | |
| 0 | 2555 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2556 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2557 #ifndef USDT2 |
| 0 | 2558 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2559 #else /* USDT2 */ |
| 2560 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2561 env, cls, (uintptr_t) methodID); | |
| 2562 #endif /* USDT2 */ | |
| 0 | 2563 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2564 | |
| 2565 va_list args; | |
| 2566 va_start(args, methodID); | |
| 2567 JavaValue jvalue(T_VOID); | |
|
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2568 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2569 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2570 va_end(args); | |
| 2571 JNI_END | |
| 2572 | |
| 2573 | |
| 2574 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2575 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2576 #ifndef USDT2 |
| 0 | 2577 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2578 #else /* USDT2 */ |
| 2579 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2580 env, cls, (uintptr_t) methodID); | |
| 2581 #endif /* USDT2 */ | |
| 0 | 2582 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2583 | |
| 2584 JavaValue jvalue(T_VOID); | |
|
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2585 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2586 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2587 JNI_END | |
| 2588 | |
| 2589 | |
| 2590 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2591 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2592 #ifndef USDT2 |
| 0 | 2593 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2594 #else /* USDT2 */ |
| 2595 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2596 env, cls, (uintptr_t) methodID); | |
| 2597 #endif /* USDT2 */ | |
| 0 | 2598 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2599 | |
| 2600 JavaValue jvalue(T_VOID); | |
|
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2601 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2602 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2603 JNI_END | |
| 2604 | |
| 2605 | |
| 2606 // | |
| 2607 // Accessing Fields | |
| 2608 // | |
| 2609 | |
| 2610 | |
| 4006 | 2611 #ifndef USDT2 |
| 0 | 2612 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2613 #else /* USDT2 */ |
| 2614 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2615 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2616 #endif /* USDT2 */ | |
| 0 | 2617 |
| 2618 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2619 const char *name, const char *sig)) | |
| 2620 JNIWrapper("GetFieldID"); | |
| 4006 | 2621 #ifndef USDT2 |
| 0 | 2622 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2623 #else /* USDT2 */ |
| 2624 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2625 env, clazz, (char *) name, (char *) sig); | |
| 2626 #endif /* USDT2 */ | |
| 0 | 2627 jfieldID ret = 0; |
| 2628 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2629 | |
| 2630 // The class should have been loaded (we have an instance of the class | |
| 2631 // passed in) so the field and signature should already be in the symbol | |
| 2632 // table. If they're not there, the field doesn't exist. | |
|
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2633 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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2634 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2635 if (fieldname == NULL || signame == NULL) { |
| 0 | 2636 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2637 } | |
| 2638 KlassHandle k(THREAD, | |
| 2639 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 2640 // Make sure class is initialized before handing id's out to fields | |
| 2641 Klass::cast(k())->initialize(CHECK_NULL); | |
| 2642 | |
| 2643 fieldDescriptor fd; | |
| 2644 if (!Klass::cast(k())->oop_is_instance() || | |
|
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2645 !instanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2646 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2647 } | |
| 2648 | |
| 2649 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2650 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2651 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2652 return ret; | |
| 2653 JNI_END | |
| 2654 | |
| 2655 | |
| 2656 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2657 JNIWrapper("GetObjectField"); | |
| 4006 | 2658 #ifndef USDT2 |
| 0 | 2659 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2660 #else /* USDT2 */ |
| 2661 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2662 env, obj, (uintptr_t) fieldID); | |
| 2663 #endif /* USDT2 */ | |
| 0 | 2664 oop o = JNIHandles::resolve_non_null(obj); |
| 2665 klassOop k = o->klass(); | |
| 2666 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2667 // Keep JVMTI addition small and only check enabled flag here. | |
| 2668 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2669 if (JvmtiExport::should_post_field_access()) { | |
| 2670 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2671 } | |
| 2672 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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|
2673 #ifndef SERIALGC |
|
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|
2674 // If G1 is enabled and we are accessing the value of the referent |
|
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diff
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|
2675 // field in a reference object then we need to register a non-null |
|
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|
2676 // referent with the SATB barrier. |
|
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|
2677 if (UseG1GC) { |
|
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diff
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|
2678 bool needs_barrier = false; |
|
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|
2679 |
|
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|
2680 if (ret != NULL && |
|
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diff
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|
2681 offset == java_lang_ref_Reference::referent_offset && |
|
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diff
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|
2682 instanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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diff
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|
2683 assert(instanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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diff
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|
2684 needs_barrier = true; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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diff
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|
2685 } |
|
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diff
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|
2686 |
|
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diff
changeset
|
2687 if (needs_barrier) { |
|
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diff
changeset
|
2688 oop referent = JNIHandles::resolve(ret); |
|
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diff
changeset
|
2689 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2690 } |
|
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|
2691 } |
|
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|
2692 #endif // SERIALGC |
| 4006 | 2693 #ifndef USDT2 |
| 0 | 2694 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2695 #else /* USDT2 */ |
| 2696 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2697 ret); | |
| 2698 #endif /* USDT2 */ | |
| 0 | 2699 return ret; |
| 2700 JNI_END | |
| 2701 | |
| 2702 | |
| 4006 | 2703 #ifndef USDT2 |
| 0 | 2704 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2705 \ | |
| 2706 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2707 \ | |
| 2708 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2709 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2710 \ | |
| 2711 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2712 Return ret = 0;\ | |
| 2713 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2714 \ | |
| 2715 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2716 klassOop k = o->klass(); \ | |
| 2717 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2718 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2719 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2720 /* and creates a ResetNoHandleMark. */ \ | |
| 2721 if (JvmtiExport::should_post_field_access()) { \ | |
| 2722 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2723 } \ | |
| 2724 ret = o->Fieldname##_field(offset); \ | |
| 2725 return ret; \ | |
| 2726 JNI_END | |
| 2727 | |
| 2728 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2729 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2730 DEFINE_GETFIELD(jchar, char, Char) | |
| 2731 DEFINE_GETFIELD(jshort, short, Short) | |
| 2732 DEFINE_GETFIELD(jint, int, Int) | |
| 2733 DEFINE_GETFIELD(jlong, long, Long) | |
| 2734 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2735 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2736 | |
| 4006 | 2737 #else /* USDT2 */ |
| 2738 | |
| 2739 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2740 , EntryProbe, ReturnProbe) \ | |
| 2741 \ | |
| 2742 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2743 , ReturnProbe); \ | |
| 2744 \ | |
| 2745 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2746 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2747 \ | |
| 2748 EntryProbe; \ | |
| 2749 Return ret = 0;\ | |
| 2750 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2751 \ | |
| 2752 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2753 klassOop k = o->klass(); \ | |
| 2754 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2755 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2756 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2757 /* and creates a ResetNoHandleMark. */ \ | |
| 2758 if (JvmtiExport::should_post_field_access()) { \ | |
| 2759 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2760 } \ | |
| 2761 ret = o->Fieldname##_field(offset); \ | |
| 2762 return ret; \ | |
| 2763 JNI_END | |
| 2764 | |
| 2765 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2766 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2767 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2768 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2769 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2770 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2771 DEFINE_GETFIELD(jchar, char, Char | |
| 2772 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2773 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2774 DEFINE_GETFIELD(jshort, short, Short | |
| 2775 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2776 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2777 DEFINE_GETFIELD(jint, int, Int | |
| 2778 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2779 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2780 DEFINE_GETFIELD(jlong, long, Long | |
| 2781 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2782 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2783 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2784 DEFINE_GETFIELD(jfloat, float, Float | |
| 2785 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2786 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2787 DEFINE_GETFIELD(jdouble, double, Double | |
| 2788 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2789 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2790 #endif /* USDT2 */ | |
| 2791 | |
| 0 | 2792 address jni_GetBooleanField_addr() { |
| 2793 return (address)jni_GetBooleanField; | |
| 2794 } | |
| 2795 address jni_GetByteField_addr() { | |
| 2796 return (address)jni_GetByteField; | |
| 2797 } | |
| 2798 address jni_GetCharField_addr() { | |
| 2799 return (address)jni_GetCharField; | |
| 2800 } | |
| 2801 address jni_GetShortField_addr() { | |
| 2802 return (address)jni_GetShortField; | |
| 2803 } | |
| 2804 address jni_GetIntField_addr() { | |
| 2805 return (address)jni_GetIntField; | |
| 2806 } | |
| 2807 address jni_GetLongField_addr() { | |
| 2808 return (address)jni_GetLongField; | |
| 2809 } | |
| 2810 address jni_GetFloatField_addr() { | |
| 2811 return (address)jni_GetFloatField; | |
| 2812 } | |
| 2813 address jni_GetDoubleField_addr() { | |
| 2814 return (address)jni_GetDoubleField; | |
| 2815 } | |
| 2816 | |
| 2817 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2818 JNIWrapper("SetObjectField"); | |
| 4006 | 2819 #ifndef USDT2 |
| 0 | 2820 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2821 #else /* USDT2 */ |
| 2822 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2823 env, obj, (uintptr_t) fieldID, value); | |
| 2824 #endif /* USDT2 */ | |
| 0 | 2825 oop o = JNIHandles::resolve_non_null(obj); |
| 2826 klassOop k = o->klass(); | |
| 2827 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2828 // Keep JVMTI addition small and only check enabled flag here. | |
| 2829 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2830 // and creates a ResetNoHandleMark. | |
| 2831 if (JvmtiExport::should_post_field_modification()) { | |
| 2832 jvalue field_value; | |
| 2833 field_value.l = value; | |
| 2834 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2835 } | |
| 2836 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2837 #ifndef USDT2 |
| 0 | 2838 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2839 #else /* USDT2 */ |
| 2840 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2841 ); | |
| 2842 #endif /* USDT2 */ | |
| 0 | 2843 JNI_END |
| 2844 | |
| 4006 | 2845 #ifndef USDT2 |
| 0 | 2846 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2847 \ | |
| 2848 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2849 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2850 \ | |
| 2851 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, Set##Result##Field__entry, \ | |
| 2852 ( JNIEnv*, jobject, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
| 2853 HS_DTRACE_PROBE_N(hotspot_jni, Set##Result##Field__entry, \ | |
| 2854 ( env, obj, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
| 2855 \ | |
| 2856 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2857 klassOop k = o->klass(); \ | |
| 2858 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2859 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2860 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2861 /* and creates a ResetNoHandleMark. */ \ | |
| 2862 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2863 jvalue field_value; \ | |
| 2864 field_value.unionType = value; \ | |
| 2865 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2866 } \ | |
| 2867 o->Fieldname##_field_put(offset, value); \ | |
| 2868 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2869 JNI_END | |
| 2870 | |
| 2871 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2872 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2873 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2874 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2875 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2876 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2877 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2878 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2879 | |
| 4006 | 2880 #else /* USDT2 */ |
| 2881 | |
| 2882 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2883 , EntryProbe, ReturnProbe) \ | |
| 2884 \ | |
| 2885 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2886 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2887 \ | |
| 2888 EntryProbe; \ | |
| 2889 \ | |
| 2890 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2891 klassOop k = o->klass(); \ | |
| 2892 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2893 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2894 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2895 /* and creates a ResetNoHandleMark. */ \ | |
| 2896 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2897 jvalue field_value; \ | |
| 2898 field_value.unionType = value; \ | |
| 2899 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2900 } \ | |
| 2901 o->Fieldname##_field_put(offset, value); \ | |
| 2902 ReturnProbe; \ | |
| 2903 JNI_END | |
| 2904 | |
| 2905 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2906 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2907 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2908 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2909 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2910 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2911 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2912 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2913 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2914 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2915 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2916 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2917 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2918 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2919 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2920 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2921 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2922 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2923 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2924 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2925 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2926 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2927 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2928 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2929 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2930 #endif /* USDT2 */ | |
| 2931 | |
| 2932 #ifndef USDT2 | |
| 0 | 2933 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2934 #else /* USDT2 */ |
| 2935 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2936 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2937 #endif /* USDT2 */ | |
| 0 | 2938 |
| 2939 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2940 JNIWrapper("ToReflectedField"); | |
| 4006 | 2941 #ifndef USDT2 |
| 0 | 2942 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2943 env, cls, fieldID, isStatic); | |
| 4006 | 2944 #else /* USDT2 */ |
| 2945 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2946 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2947 #endif /* USDT2 */ | |
| 0 | 2948 jobject ret = NULL; |
| 2949 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2950 | |
| 2951 fieldDescriptor fd; | |
| 2952 bool found = false; | |
| 2953 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls)); | |
| 2954 | |
| 2955 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2956 | |
| 2957 if (isStatic) { | |
| 2958 // Static field. The fieldID a JNIid specifying the field holder and the offset within the klassOop. | |
| 2959 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
| 2960 assert(id->is_static_field_id(), "invalid static field id"); | |
|
2376
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never
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2177
diff
changeset
|
2961 found = id->find_local_field(&fd); |
| 0 | 2962 } else { |
| 2963 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2964 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
| 2965 found = instanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); | |
| 2966 } | |
| 2967 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2968 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2969 ret = JNIHandles::make_local(env, reflected); | |
| 2970 return ret; | |
| 2971 JNI_END | |
| 2972 | |
| 2973 | |
| 2974 // | |
| 2975 // Accessing Static Fields | |
| 2976 // | |
| 4006 | 2977 #ifndef USDT2 |
| 0 | 2978 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2979 #else /* USDT2 */ |
| 2980 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2981 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2982 #endif /* USDT2 */ | |
| 0 | 2983 |
| 2984 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2985 const char *name, const char *sig)) | |
| 2986 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2987 #ifndef USDT2 |
| 0 | 2988 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2989 #else /* USDT2 */ |
| 2990 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2991 env, clazz, (char *) name, (char *) sig); | |
| 2992 #endif /* USDT2 */ | |
| 0 | 2993 jfieldID ret = NULL; |
| 2994 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2995 | |
| 2996 // The class should have been loaded (we have an instance of the class | |
| 2997 // passed in) so the field and signature should already be in the symbol | |
| 2998 // table. If they're not there, the field doesn't exist. | |
|
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coleenp
parents:
1989
diff
changeset
|
2999 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
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coleenp
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1989
diff
changeset
|
3000 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
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coleenp
parents:
1989
diff
changeset
|
3001 if (fieldname == NULL || signame == NULL) { |
| 0 | 3002 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 3003 } | |
| 3004 KlassHandle k(THREAD, | |
| 3005 java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 3006 // Make sure class is initialized before handing id's out to static fields | |
| 3007 Klass::cast(k())->initialize(CHECK_NULL); | |
| 3008 | |
| 3009 fieldDescriptor fd; | |
| 3010 if (!Klass::cast(k())->oop_is_instance() || | |
|
2177
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coleenp
parents:
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diff
changeset
|
3011 !instanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 3012 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 3013 } | |
| 3014 | |
| 3015 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop | |
| 3016 JNIid* id = instanceKlass::cast(fd.field_holder())->jni_id_for(fd.offset()); | |
| 3017 debug_only(id->set_is_static_field_id();) | |
| 3018 | |
|
2376
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parents:
2177
diff
changeset
|
3019 debug_only(id->verify(fd.field_holder())); |
| 0 | 3020 |
| 3021 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 3022 return ret; | |
| 3023 JNI_END | |
| 3024 | |
| 3025 | |
| 3026 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 3027 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 3028 #ifndef USDT2 |
| 0 | 3029 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 3030 #else /* USDT2 */ |
| 3031 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 3032 env, clazz, (uintptr_t) fieldID); | |
| 3033 #endif /* USDT2 */ | |
| 0 | 3034 #ifndef JNICHECK_KERNEL |
| 3035 DEBUG_ONLY(klassOop param_k = jniCheck::validate_class(thread, clazz);) | |
| 3036 #endif // JNICHECK_KERNEL | |
| 3037 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); | |
| 3038 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3039 // Keep JVMTI addition small and only check enabled flag here. | |
| 3040 // jni_GetField_probe() assumes that is okay to create handles. | |
| 3041 if (JvmtiExport::should_post_field_access()) { | |
| 3042 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 3043 } | |
|
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3044 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 3045 #ifndef USDT2 |
| 0 | 3046 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 3047 #else /* USDT2 */ |
| 3048 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 3049 ret); | |
| 3050 #endif /* USDT2 */ | |
| 0 | 3051 return ret; |
| 3052 JNI_END | |
| 3053 | |
| 4006 | 3054 #ifndef USDT2 |
| 0 | 3055 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3056 \ | |
| 3057 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3058 \ | |
| 3059 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3060 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3061 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3062 Return ret = 0;\ | |
| 3063 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3064 (const Return&)ret);\ | |
| 3065 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3066 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3067 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3068 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3069 if (JvmtiExport::should_post_field_access()) { \ | |
| 3070 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3071 } \ | |
|
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3072 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3073 return ret;\ |
| 3074 JNI_END | |
| 3075 | |
| 3076 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3077 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3078 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3079 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3080 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3081 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3082 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3083 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3084 | |
| 4006 | 3085 #else /* USDT2 */ |
| 3086 | |
| 3087 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3088 , EntryProbe, ReturnProbe) \ | |
| 3089 \ | |
| 3090 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3091 , ReturnProbe); \ | |
| 3092 \ | |
| 3093 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3094 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3095 EntryProbe; \ | |
| 3096 Return ret = 0;\ | |
| 3097 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3098 (const Return&)ret);\ | |
| 3099 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3100 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3101 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3102 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3103 if (JvmtiExport::should_post_field_access()) { \ | |
| 3104 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3105 } \ | |
| 3106 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3107 return ret;\ | |
| 3108 JNI_END | |
| 3109 | |
| 3110 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3111 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3112 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3113 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3114 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3115 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3116 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3117 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3118 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3119 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3120 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3121 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3122 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3123 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3124 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3125 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3126 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3127 #endif /* USDT2 */ | |
| 0 | 3128 |
| 3129 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3130 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3131 #ifndef USDT2 |
| 0 | 3132 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3133 #else /* USDT2 */ |
| 3134 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3135 env, clazz, (uintptr_t) fieldID, value); | |
| 3136 #endif /* USDT2 */ | |
| 0 | 3137 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3138 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3139 // Keep JVMTI addition small and only check enabled flag here. | |
| 3140 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3141 if (JvmtiExport::should_post_field_modification()) { | |
| 3142 jvalue field_value; | |
| 3143 field_value.l = value; | |
| 3144 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3145 } | |
|
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|
3146 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3147 #ifndef USDT2 |
| 0 | 3148 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3149 #else /* USDT2 */ |
| 3150 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3151 ); | |
| 3152 #endif /* USDT2 */ | |
| 0 | 3153 JNI_END |
| 3154 | |
| 3155 | |
| 4006 | 3156 #ifndef USDT2 |
| 0 | 3157 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3158 \ | |
| 3159 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3160 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3161 HS_DTRACE_PROBE_CDECL_N(hotspot_jni, SetStatic##Result##Field__entry,\ | |
| 3162 ( JNIEnv*, jclass, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ | |
| 3163 HS_DTRACE_PROBE_N(hotspot_jni, SetStatic##Result##Field__entry, \ | |
| 3164 ( env, clazz, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ | |
| 3165 \ | |
| 3166 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3167 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3168 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3169 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3170 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3171 jvalue field_value; \ | |
| 3172 field_value.unionType = value; \ | |
| 3173 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3174 } \ | |
|
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|
3175 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3176 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3177 JNI_END | |
| 3178 | |
| 3179 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3180 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3181 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3182 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3183 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3184 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3185 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3186 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3187 | |
| 4006 | 3188 #else /* USDT2 */ |
| 3189 | |
| 3190 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3191 , EntryProbe, ReturnProbe) \ | |
| 3192 \ | |
| 3193 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3194 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3195 EntryProbe; \ | |
| 3196 \ | |
| 3197 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3198 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3199 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3200 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3201 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3202 jvalue field_value; \ | |
| 3203 field_value.unionType = value; \ | |
| 3204 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3205 } \ | |
| 3206 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3207 ReturnProbe;\ | |
| 3208 JNI_END | |
| 3209 | |
| 3210 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3211 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3212 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3213 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3214 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3215 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3216 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3217 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3218 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3219 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3220 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3221 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3222 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3223 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3224 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3225 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3226 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3227 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3228 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3229 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3230 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3231 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3232 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3233 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3234 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3235 #endif /* USDT2 */ | |
| 0 | 3236 |
| 3237 // | |
| 3238 // String Operations | |
| 3239 // | |
| 3240 | |
| 3241 // Unicode Interface | |
| 3242 | |
| 4006 | 3243 #ifndef USDT2 |
| 0 | 3244 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3245 #else /* USDT2 */ |
| 3246 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3247 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3248 #endif /* USDT2 */ | |
| 0 | 3249 |
| 3250 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3251 JNIWrapper("NewString"); | |
| 4006 | 3252 #ifndef USDT2 |
| 0 | 3253 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3254 #else /* USDT2 */ |
| 3255 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3256 env, (uint16_t *) unicodeChars, len); | |
| 3257 #endif /* USDT2 */ | |
| 0 | 3258 jstring ret = NULL; |
| 3259 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3260 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3261 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3262 return ret; | |
| 3263 JNI_END | |
| 3264 | |
| 3265 | |
| 3266 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3267 JNIWrapper("GetStringLength"); | |
| 4006 | 3268 #ifndef USDT2 |
| 0 | 3269 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3270 #else /* USDT2 */ |
| 3271 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3272 env, string); | |
| 3273 #endif /* USDT2 */ | |
| 0 | 3274 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3275 #ifndef USDT2 |
| 0 | 3276 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3277 #else /* USDT2 */ |
| 3278 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3279 ret); | |
| 3280 #endif /* USDT2 */ | |
| 0 | 3281 return ret; |
| 3282 JNI_END | |
| 3283 | |
| 3284 | |
| 3285 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3286 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3287 JNIWrapper("GetStringChars"); | |
| 4006 | 3288 #ifndef USDT2 |
| 0 | 3289 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3290 #else /* USDT2 */ |
| 3291 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3292 env, string, (uintptr_t *) isCopy); | |
| 3293 #endif /* USDT2 */ | |
| 0 | 3294 //%note jni_5 |
| 3295 if (isCopy != NULL) { | |
| 3296 *isCopy = JNI_TRUE; | |
| 3297 } | |
| 3298 oop s = JNIHandles::resolve_non_null(string); | |
| 3299 int s_len = java_lang_String::length(s); | |
| 3300 typeArrayOop s_value = java_lang_String::value(s); | |
| 3301 int s_offset = java_lang_String::offset(s); | |
| 6197 | 3302 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1, mtInternal); // add one for zero termination |
| 0 | 3303 if (s_len > 0) { |
| 3304 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
| 3305 } | |
| 3306 buf[s_len] = 0; | |
| 4006 | 3307 #ifndef USDT2 |
| 0 | 3308 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3309 #else /* USDT2 */ |
| 3310 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3311 buf); | |
| 3312 #endif /* USDT2 */ | |
| 0 | 3313 return buf; |
| 3314 JNI_END | |
| 3315 | |
| 3316 | |
| 3317 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3318 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3319 #ifndef USDT2 |
| 0 | 3320 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3321 #else /* USDT2 */ |
| 3322 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3323 env, str, (uint16_t *) chars); | |
| 3324 #endif /* USDT2 */ | |
| 0 | 3325 //%note jni_6 |
| 3326 if (chars != NULL) { | |
| 3327 // Since String objects are supposed to be immutable, don't copy any | |
| 3328 // new data back. A bad user will have to go after the char array. | |
| 3329 FreeHeap((void*) chars); | |
| 3330 } | |
| 4006 | 3331 #ifndef USDT2 |
| 0 | 3332 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3333 #else /* USDT2 */ |
| 3334 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3335 ); | |
| 3336 #endif /* USDT2 */ | |
| 0 | 3337 JNI_END |
| 3338 | |
| 3339 | |
| 3340 // UTF Interface | |
| 3341 | |
| 4006 | 3342 #ifndef USDT2 |
| 0 | 3343 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3344 #else /* USDT2 */ |
| 3345 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3346 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3347 #endif /* USDT2 */ | |
| 0 | 3348 |
| 3349 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3350 JNIWrapper("NewStringUTF"); | |
| 4006 | 3351 #ifndef USDT2 |
| 0 | 3352 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3353 #else /* USDT2 */ |
| 3354 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3355 env, (char *) bytes); | |
| 3356 #endif /* USDT2 */ | |
| 0 | 3357 jstring ret; |
| 3358 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3359 | |
| 3360 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3361 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3362 return ret; | |
| 3363 JNI_END | |
| 3364 | |
| 3365 | |
| 3366 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3367 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3368 #ifndef USDT2 |
| 0 | 3369 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3370 #else /* USDT2 */ |
| 3371 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3372 env, string); | |
| 3373 #endif /* USDT2 */ | |
| 0 | 3374 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3375 #ifndef USDT2 |
| 0 | 3376 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3377 #else /* USDT2 */ |
| 3378 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3379 ret); | |
| 3380 #endif /* USDT2 */ | |
| 0 | 3381 return ret; |
| 3382 JNI_END | |
| 3383 | |
| 3384 | |
| 3385 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3386 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3387 #ifndef USDT2 |
| 0 | 3388 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3389 #else /* USDT2 */ |
| 3390 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3391 env, string, (uintptr_t *) isCopy); | |
| 3392 #endif /* USDT2 */ | |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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parents:
1980
diff
changeset
|
3393 oop java_string = JNIHandles::resolve_non_null(string); |
|
017cd8bce8a8
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sla
parents:
1980
diff
changeset
|
3394 size_t length = java_lang_String::utf8_length(java_string); |
| 6197 | 3395 char* result = AllocateHeap(length + 1, mtInternal); |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3396 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
| 0 | 3397 if (isCopy != NULL) *isCopy = JNI_TRUE; |
| 4006 | 3398 #ifndef USDT2 |
| 0 | 3399 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3400 #else /* USDT2 */ |
| 3401 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3402 result); | |
| 3403 #endif /* USDT2 */ | |
| 0 | 3404 return result; |
| 3405 JNI_END | |
| 3406 | |
| 3407 | |
| 3408 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3409 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3410 #ifndef USDT2 |
| 0 | 3411 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3412 #else /* USDT2 */ |
| 3413 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3414 env, str, (char *) chars); | |
| 3415 #endif /* USDT2 */ | |
| 0 | 3416 if (chars != NULL) { |
| 3417 FreeHeap((char*) chars); | |
| 3418 } | |
| 4006 | 3419 #ifndef USDT2 |
| 0 | 3420 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3421 #else /* USDT2 */ |
| 3422 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3423 ); | |
| 3424 #endif /* USDT2 */ | |
| 0 | 3425 JNI_END |
| 3426 | |
| 3427 | |
| 3428 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3429 JNIWrapper("GetArrayLength"); | |
| 4006 | 3430 #ifndef USDT2 |
| 0 | 3431 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3432 #else /* USDT2 */ |
| 3433 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3434 env, array); | |
| 3435 #endif /* USDT2 */ | |
| 0 | 3436 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3437 assert(a->is_array(), "must be array"); | |
| 3438 jsize ret = a->length(); | |
| 4006 | 3439 #ifndef USDT2 |
| 0 | 3440 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3441 #else /* USDT2 */ |
| 3442 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3443 ret); | |
| 3444 #endif /* USDT2 */ | |
| 0 | 3445 return ret; |
| 3446 JNI_END | |
| 3447 | |
| 3448 | |
| 3449 // | |
| 3450 // Object Array Operations | |
| 3451 // | |
| 3452 | |
| 4006 | 3453 #ifndef USDT2 |
| 0 | 3454 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3455 #else /* USDT2 */ |
| 3456 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3457 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3458 #endif /* USDT2 */ | |
| 0 | 3459 |
| 3460 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3461 JNIWrapper("NewObjectArray"); | |
| 4006 | 3462 #ifndef USDT2 |
| 0 | 3463 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3464 #else /* USDT2 */ |
| 3465 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3466 env, length, elementClass, initialElement); | |
| 3467 #endif /* USDT2 */ | |
| 0 | 3468 jobjectArray ret = NULL; |
| 3469 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
| 3470 KlassHandle ek(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(elementClass))); | |
| 3471 klassOop ako = Klass::cast(ek())->array_klass(CHECK_NULL); | |
| 3472 KlassHandle ak = KlassHandle(THREAD, ako); | |
| 3473 objArrayKlass::cast(ak())->initialize(CHECK_NULL); | |
| 3474 objArrayOop result = objArrayKlass::cast(ak())->allocate(length, CHECK_NULL); | |
| 3475 oop initial_value = JNIHandles::resolve(initialElement); | |
| 3476 if (initial_value != NULL) { // array already initialized with NULL | |
| 3477 for (int index = 0; index < length; index++) { | |
| 3478 result->obj_at_put(index, initial_value); | |
| 3479 } | |
| 3480 } | |
| 3481 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3482 return ret; | |
| 3483 JNI_END | |
| 3484 | |
| 4006 | 3485 #ifndef USDT2 |
| 0 | 3486 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3487 #else /* USDT2 */ |
| 3488 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3489 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3490 #endif /* USDT2 */ | |
| 0 | 3491 |
| 3492 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3493 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3494 #ifndef USDT2 |
| 0 | 3495 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3496 #else /* USDT2 */ |
| 3497 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3498 env, array, index); | |
| 3499 #endif /* USDT2 */ | |
| 0 | 3500 jobject ret = NULL; |
| 3501 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3502 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3503 if (a->is_within_bounds(index)) { | |
|
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|
3504 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3505 return ret; |
| 3506 } else { | |
| 3507 char buf[jintAsStringSize]; | |
| 3508 sprintf(buf, "%d", index); | |
| 3509 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3510 } | |
| 3511 JNI_END | |
| 3512 | |
| 4006 | 3513 #ifndef USDT2 |
| 0 | 3514 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3515 #else /* USDT2 */ |
| 3516 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3517 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3518 #endif /* USDT2 */ | |
| 0 | 3519 |
| 3520 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3521 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3522 #ifndef USDT2 |
| 0 | 3523 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3524 #else /* USDT2 */ |
| 3525 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3526 env, array, index, value); | |
| 3527 #endif /* USDT2 */ | |
| 0 | 3528 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3529 | |
| 3530 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3531 oop v = JNIHandles::resolve(value); | |
| 3532 if (a->is_within_bounds(index)) { | |
| 3533 if (v == NULL || v->is_a(objArrayKlass::cast(a->klass())->element_klass())) { | |
| 3534 a->obj_at_put(index, v); | |
| 3535 } else { | |
| 3536 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3537 } | |
| 3538 } else { | |
| 3539 char buf[jintAsStringSize]; | |
| 3540 sprintf(buf, "%d", index); | |
| 3541 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3542 } | |
| 3543 JNI_END | |
| 3544 | |
| 3545 | |
| 4006 | 3546 #ifndef USDT2 |
| 0 | 3547 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3548 \ | |
| 4006 | 3549 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3550 \ |
| 3551 JNI_ENTRY(Return, \ | |
| 3552 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3553 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3554 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3555 Return ret = NULL;\ | |
|
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|
3556 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3557 \ |
| 3558 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3559 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3560 return ret;\ | |
| 3561 JNI_END | |
| 3562 | |
| 3563 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3564 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3565 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3566 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3567 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3568 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3569 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3570 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3571 | |
| 4006 | 3572 #else /* USDT2 */ |
| 3573 | |
| 3574 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3575 ,EntryProbe,ReturnProbe) \ | |
| 3576 \ | |
| 3577 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3578 , ReturnProbe); \ | |
| 3579 \ | |
| 3580 JNI_ENTRY(Return, \ | |
| 3581 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3582 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3583 EntryProbe; \ | |
| 3584 Return ret = NULL;\ | |
| 3585 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3586 \ | |
| 3587 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3588 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3589 return ret;\ | |
| 3590 JNI_END | |
| 3591 | |
| 3592 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3593 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3594 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3595 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3596 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3597 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3598 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3599 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3600 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3601 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3602 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3603 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3604 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3605 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3606 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3607 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3608 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3609 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3610 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3611 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3612 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3613 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3614 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3615 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3616 #endif /* USDT2 */ | |
| 0 | 3617 |
| 3618 // Return an address which will fault if the caller writes to it. | |
| 3619 | |
| 3620 static char* get_bad_address() { | |
| 3621 static char* bad_address = NULL; | |
| 3622 if (bad_address == NULL) { | |
| 3623 size_t size = os::vm_allocation_granularity(); | |
| 3624 bad_address = os::reserve_memory(size); | |
| 3625 if (bad_address != NULL) { | |
|
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|
3626 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
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|
3627 /*is_committed*/false); |
| 0 | 3628 } |
| 3629 } | |
| 3630 return bad_address; | |
| 3631 } | |
| 3632 | |
| 3633 | |
| 4006 | 3634 #ifndef USDT2 |
| 0 | 3635 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3636 \ | |
| 3637 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3638 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3639 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3640 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3641 /* allocate an chunk of memory in c land */ \ | |
| 3642 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3643 ElementType* result; \ | |
| 3644 int len = a->length(); \ | |
| 3645 if (len == 0) { \ | |
| 3646 /* Empty array: legal but useless, can't return NULL. \ | |
| 3647 * Return a pointer to something useless. \ | |
| 3648 * Avoid asserts in typeArrayOop. */ \ | |
| 3649 result = (ElementType*)get_bad_address(); \ | |
| 3650 } else { \ | |
| 6197 | 3651 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
| 0 | 3652 /* copy the array to the c chunk */ \ |
| 3653 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3654 } \ | |
| 3655 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3656 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3657 return result; \ | |
| 3658 JNI_END | |
| 3659 | |
| 3660 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3661 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3662 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3663 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3664 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3665 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3666 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3667 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3668 | |
| 4006 | 3669 #else /* USDT2 */ |
| 3670 | |
| 3671 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3672 , EntryProbe, ReturnProbe) \ | |
| 3673 \ | |
| 3674 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3675 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3676 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3677 EntryProbe; \ | |
| 3678 /* allocate an chunk of memory in c land */ \ | |
| 3679 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3680 ElementType* result; \ | |
| 3681 int len = a->length(); \ | |
| 3682 if (len == 0) { \ | |
| 3683 /* Empty array: legal but useless, can't return NULL. \ | |
| 3684 * Return a pointer to something useless. \ | |
| 3685 * Avoid asserts in typeArrayOop. */ \ | |
| 3686 result = (ElementType*)get_bad_address(); \ | |
| 3687 } else { \ | |
| 6197 | 3688 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
| 4006 | 3689 /* copy the array to the c chunk */ \ |
| 3690 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3691 } \ | |
| 3692 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3693 ReturnProbe; \ | |
| 3694 return result; \ | |
| 3695 JNI_END | |
| 3696 | |
| 3697 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3698 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3699 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3700 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3701 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3702 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3703 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3704 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3705 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3706 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3707 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3708 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3709 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3710 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3711 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3712 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3713 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3714 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3715 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3716 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3717 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3718 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3719 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3720 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3721 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3722 #endif /* USDT2 */ | |
| 3723 | |
| 3724 #ifndef USDT2 | |
| 0 | 3725 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3726 \ | |
| 3727 JNI_QUICK_ENTRY(void, \ | |
| 3728 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3729 ElementType *buf, jint mode)) \ | |
| 3730 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3731 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3732 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3733 int len = a->length(); \ | |
| 3734 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3735 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3736 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3737 } \ | |
| 3738 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3739 FreeHeap(buf); \ | |
| 3740 } \ | |
| 3741 } \ | |
| 3742 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3743 JNI_END | |
| 3744 | |
| 3745 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3747 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3748 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3750 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3751 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3752 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3753 | |
| 4006 | 3754 #else /* USDT2 */ |
| 3755 | |
| 3756 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3757 , EntryProbe, ReturnProbe);\ | |
| 3758 \ | |
| 3759 JNI_QUICK_ENTRY(void, \ | |
| 3760 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3761 ElementType *buf, jint mode)) \ | |
| 3762 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3763 EntryProbe; \ | |
| 3764 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3765 int len = a->length(); \ | |
| 3766 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3767 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3768 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3769 } \ | |
| 3770 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3771 FreeHeap(buf); \ | |
| 3772 } \ | |
| 3773 } \ | |
| 3774 ReturnProbe; \ | |
| 3775 JNI_END | |
| 3776 | |
| 3777 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3778 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3779 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3780 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3781 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3782 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3783 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3784 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3785 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3786 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3787 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3788 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3789 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3790 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3791 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3792 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3793 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3794 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3795 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3796 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3797 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3798 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3799 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3800 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3801 #endif /* USDT2 */ | |
| 3802 | |
| 3803 #ifndef USDT2 | |
| 0 | 3804 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3805 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3806 \ | |
| 3807 JNI_ENTRY(void, \ | |
| 3808 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3809 jsize len, ElementType *buf)) \ | |
| 3810 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3811 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3812 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3813 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3814 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3815 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3816 } else { \ | |
| 3817 if (len > 0) { \ | |
| 3818 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
| 3819 memcpy((u_char*) buf, \ | |
| 3820 (u_char*) src->Tag##_at_addr(start), \ | |
| 3821 len << sc); \ | |
| 3822 } \ | |
| 3823 } \ | |
| 3824 JNI_END | |
| 3825 | |
| 3826 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3827 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3828 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3829 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3830 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3831 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3832 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3833 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3834 | |
| 4006 | 3835 #else /* USDT2 */ |
| 3836 | |
| 3837 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3838 , EntryProbe, ReturnProbe); \ | |
| 3839 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3840 , ReturnProbe); \ | |
| 3841 \ | |
| 3842 JNI_ENTRY(void, \ | |
| 3843 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3844 jsize len, ElementType *buf)) \ | |
| 3845 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3846 EntryProbe; \ | |
| 3847 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3848 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3849 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3850 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3851 } else { \ | |
| 3852 if (len > 0) { \ | |
| 3853 int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
| 3854 memcpy((u_char*) buf, \ | |
| 3855 (u_char*) src->Tag##_at_addr(start), \ | |
| 3856 len << sc); \ | |
| 3857 } \ | |
| 3858 } \ | |
| 3859 JNI_END | |
| 3860 | |
| 3861 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3862 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3863 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3864 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3865 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3866 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3867 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3868 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3869 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3870 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3871 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3872 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3873 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3874 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3875 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3876 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3877 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3878 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3879 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3880 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3881 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3882 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3883 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3884 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3885 #endif /* USDT2 */ | |
| 3886 | |
| 3887 #ifndef USDT2 | |
| 0 | 3888 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3889 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3890 \ | |
| 3891 JNI_ENTRY(void, \ | |
| 3892 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3893 jsize len, const ElementType *buf)) \ | |
| 3894 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3895 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3896 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3897 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3898 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3899 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3900 } else { \ | |
| 3901 if (len > 0) { \ | |
| 3902 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
| 3903 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
| 3904 (u_char*) buf, \ | |
| 3905 len << sc); \ | |
| 3906 } \ | |
| 3907 } \ | |
| 3908 JNI_END | |
| 3909 | |
| 3910 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3911 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3912 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3913 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3914 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3915 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3916 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3917 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3918 | |
| 4006 | 3919 #else /* USDT2 */ |
| 3920 | |
| 3921 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3922 , EntryProbe, ReturnProbe); \ | |
| 3923 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3924 ,ReturnProbe); \ | |
| 3925 \ | |
| 3926 JNI_ENTRY(void, \ | |
| 3927 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3928 jsize len, const ElementType *buf)) \ | |
| 3929 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3930 EntryProbe; \ | |
| 3931 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3932 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3933 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3934 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3935 } else { \ | |
| 3936 if (len > 0) { \ | |
| 3937 int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
| 3938 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
| 3939 (u_char*) buf, \ | |
| 3940 len << sc); \ | |
| 3941 } \ | |
| 3942 } \ | |
| 3943 JNI_END | |
| 3944 | |
| 3945 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3946 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3947 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3948 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3949 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3950 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3951 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3952 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3953 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3954 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3955 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3956 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3957 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3958 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3959 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3960 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3961 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3962 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3963 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3964 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3965 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3966 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3967 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3968 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3969 #endif /* USDT2 */ | |
| 3970 | |
| 0 | 3971 |
| 3972 // | |
| 3973 // Interception of natives | |
| 3974 // | |
| 3975 | |
| 3976 // The RegisterNatives call being attempted tried to register with a method that | |
| 3977 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3978 // to see if the native method is now wrapped with the prefixes. See the | |
| 3979 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
| 3980 static methodOop find_prefixed_native(KlassHandle k, | |
|
2177
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diff
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|
3981 Symbol* name, Symbol* signature, TRAPS) { |
| 0 | 3982 ResourceMark rm(THREAD); |
| 3983 methodOop method; | |
| 3984 int name_len = name->utf8_length(); | |
| 3985 char* name_str = name->as_utf8(); | |
| 3986 int prefix_count; | |
| 3987 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3988 for (int i = 0; i < prefix_count; i++) { | |
| 3989 char* prefix = prefixes[i]; | |
| 3990 int prefix_len = (int)strlen(prefix); | |
| 3991 | |
| 3992 // try adding this prefix to the method name and see if it matches another method name | |
| 3993 int trial_len = name_len + prefix_len; | |
| 3994 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3995 strcpy(trial_name_str, prefix); | |
| 3996 strcat(trial_name_str, name_str); | |
|
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diff
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|
3997 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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diff
changeset
|
3998 if (trial_name == NULL) { |
| 0 | 3999 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 4000 } | |
|
2177
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diff
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|
4001 method = Klass::cast(k())->lookup_method(trial_name, signature); |
| 0 | 4002 if (method == NULL) { |
| 4003 continue; // signature doesn't match, try the next prefix | |
| 4004 } | |
| 4005 if (method->is_native()) { | |
| 4006 method->set_is_prefixed_native(); | |
| 4007 return method; // wahoo, we found a prefixed version of the method, return it | |
| 4008 } | |
| 4009 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 4010 name_len = trial_len; | |
| 4011 name_str = trial_name_str; | |
| 4012 } | |
| 4013 return NULL; // not found | |
| 4014 } | |
| 4015 | |
|
2177
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diff
changeset
|
4016 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
|
3582bf76420e
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diff
changeset
|
4017 methodOop method = Klass::cast(k())->lookup_method(name, signature); |
| 0 | 4018 if (method == NULL) { |
| 4019 ResourceMark rm; | |
| 4020 stringStream st; | |
| 4021 st.print("Method %s name or signature does not match", | |
|
2177
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diff
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|
4022 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
| 0 | 4023 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4024 } | |
| 4025 if (!method->is_native()) { | |
| 4026 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 4027 method = find_prefixed_native(k, name, signature, THREAD); | |
| 4028 if (method == NULL) { | |
| 4029 ResourceMark rm; | |
| 4030 stringStream st; | |
| 4031 st.print("Method %s is not declared as native", | |
|
2177
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parents:
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diff
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|
4032 methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); |
| 0 | 4033 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4034 } | |
| 4035 } | |
| 4036 | |
| 4037 if (entry != NULL) { | |
| 4038 method->set_native_function(entry, | |
| 4039 methodOopDesc::native_bind_event_is_interesting); | |
| 4040 } else { | |
| 4041 method->clear_native_function(); | |
| 4042 } | |
| 4043 if (PrintJNIResolving) { | |
| 4044 ResourceMark rm(THREAD); | |
| 4045 tty->print_cr("[Registering JNI native method %s.%s]", | |
| 4046 Klass::cast(method->method_holder())->external_name(), | |
| 4047 method->name()->as_C_string()); | |
| 4048 } | |
| 4049 return true; | |
| 4050 } | |
| 4051 | |
| 4006 | 4052 #ifndef USDT2 |
| 0 | 4053 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4054 #else /* USDT2 */ |
| 4055 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4056 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4057 #endif /* USDT2 */ | |
| 0 | 4058 |
| 4059 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4060 const JNINativeMethod *methods, | |
| 4061 jint nMethods)) | |
| 4062 JNIWrapper("RegisterNatives"); | |
| 4006 | 4063 #ifndef USDT2 |
| 0 | 4064 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4065 #else /* USDT2 */ |
| 4066 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4067 env, clazz, (void *) methods, nMethods); | |
| 4068 #endif /* USDT2 */ | |
| 0 | 4069 jint ret = 0; |
| 4070 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4071 | |
| 4072 KlassHandle h_k(thread, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); | |
| 4073 | |
| 4074 for (int index = 0; index < nMethods; index++) { | |
| 4075 const char* meth_name = methods[index].name; | |
| 4076 const char* meth_sig = methods[index].signature; | |
| 4077 int meth_name_len = (int)strlen(meth_name); | |
| 4078 | |
| 4079 // The class should have been loaded (we have an instance of the class | |
| 4080 // passed in) so the method and signature should already be in the symbol | |
| 4081 // table. If they're not there, the method doesn't exist. | |
|
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diff
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|
4082 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
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diff
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|
4083 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
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diff
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|
4084 |
|
3582bf76420e
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diff
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|
4085 if (name == NULL || signature == NULL) { |
| 0 | 4086 ResourceMark rm; |
| 4087 stringStream st; | |
| 4088 st.print("Method %s.%s%s not found", Klass::cast(h_k())->external_name(), meth_name, meth_sig); | |
| 4089 // Must return negative value on failure | |
| 4090 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4091 } | |
| 4092 | |
| 4093 bool res = register_native(h_k, name, signature, | |
| 4094 (address) methods[index].fnPtr, THREAD); | |
| 4095 if (!res) { | |
| 4096 ret = -1; | |
| 4097 break; | |
| 4098 } | |
| 4099 } | |
| 4100 return ret; | |
| 4101 JNI_END | |
| 4102 | |
| 4103 | |
| 4104 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4105 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4106 #ifndef USDT2 |
| 0 | 4107 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4108 #else /* USDT2 */ |
| 4109 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4110 env, clazz); | |
| 4111 #endif /* USDT2 */ | |
| 0 | 4112 klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz)); |
| 4113 //%note jni_2 | |
| 4114 if (Klass::cast(k)->oop_is_instance()) { | |
| 4115 for (int index = 0; index < instanceKlass::cast(k)->methods()->length(); index++) { | |
| 4116 methodOop m = methodOop(instanceKlass::cast(k)->methods()->obj_at(index)); | |
| 4117 if (m->is_native()) { | |
| 4118 m->clear_native_function(); | |
| 4119 m->set_signature_handler(NULL); | |
| 4120 } | |
| 4121 } | |
| 4122 } | |
| 4006 | 4123 #ifndef USDT2 |
| 0 | 4124 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4125 #else /* USDT2 */ |
| 4126 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4127 0); | |
| 4128 #endif /* USDT2 */ | |
| 0 | 4129 return 0; |
| 4130 JNI_END | |
| 4131 | |
| 4132 // | |
| 4133 // Monitor functions | |
| 4134 // | |
| 4135 | |
| 4006 | 4136 #ifndef USDT2 |
| 0 | 4137 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4138 #else /* USDT2 */ |
| 4139 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4140 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4141 #endif /* USDT2 */ | |
| 0 | 4142 |
| 4143 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4144 #ifndef USDT2 |
| 0 | 4145 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4146 #else /* USDT2 */ |
| 4147 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4148 env, jobj); | |
| 4149 #endif /* USDT2 */ | |
| 0 | 4150 jint ret = JNI_ERR; |
| 4151 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4152 | |
| 4153 // If the object is null, we can't do anything with it | |
| 4154 if (jobj == NULL) { | |
| 4155 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4156 } | |
| 4157 | |
| 4158 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4159 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4160 ret = JNI_OK; | |
| 4161 return ret; | |
| 4162 JNI_END | |
| 4163 | |
| 4006 | 4164 #ifndef USDT2 |
| 0 | 4165 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4166 #else /* USDT2 */ |
| 4167 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4168 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4169 #endif /* USDT2 */ | |
| 0 | 4170 |
| 4171 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4172 #ifndef USDT2 |
| 0 | 4173 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4174 #else /* USDT2 */ |
| 4175 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4176 env, jobj); | |
| 4177 #endif /* USDT2 */ | |
| 0 | 4178 jint ret = JNI_ERR; |
| 4179 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4180 | |
| 4181 // Don't do anything with a null object | |
| 4182 if (jobj == NULL) { | |
| 4183 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4184 } | |
| 4185 | |
| 4186 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4187 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4188 | |
| 4189 ret = JNI_OK; | |
| 4190 return ret; | |
| 4191 JNI_END | |
| 4192 | |
| 4193 // | |
| 4194 // Extensions | |
| 4195 // | |
| 4196 | |
| 4006 | 4197 #ifndef USDT2 |
| 0 | 4198 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4199 #else /* USDT2 */ |
| 4200 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4201 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4202 #endif /* USDT2 */ | |
| 0 | 4203 |
| 4204 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4205 JNIWrapper("GetStringRegion"); | |
| 4006 | 4206 #ifndef USDT2 |
| 0 | 4207 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4208 #else /* USDT2 */ |
| 4209 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4210 env, string, start, len, buf); | |
| 4211 #endif /* USDT2 */ | |
| 0 | 4212 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4213 oop s = JNIHandles::resolve_non_null(string); | |
| 4214 int s_len = java_lang_String::length(s); | |
| 4215 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4216 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4217 } else { | |
| 4218 if (len > 0) { | |
| 4219 int s_offset = java_lang_String::offset(s); | |
| 4220 typeArrayOop s_value = java_lang_String::value(s); | |
| 4221 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4222 } | |
| 4223 } | |
| 4224 JNI_END | |
| 4225 | |
| 4006 | 4226 #ifndef USDT2 |
| 0 | 4227 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4228 #else /* USDT2 */ |
| 4229 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4230 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4231 #endif /* USDT2 */ | |
| 0 | 4232 |
| 4233 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4234 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4235 #ifndef USDT2 |
| 0 | 4236 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4237 #else /* USDT2 */ |
| 4238 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4239 env, string, start, len, buf); | |
| 4240 #endif /* USDT2 */ | |
| 0 | 4241 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4242 oop s = JNIHandles::resolve_non_null(string); | |
| 4243 int s_len = java_lang_String::length(s); | |
| 4244 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4245 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4246 } else { | |
| 4247 //%note jni_7 | |
| 4248 if (len > 0) { | |
| 4249 ResourceMark rm(THREAD); | |
| 4250 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4251 int utf_len = (int)strlen(utf_region); | |
| 4252 memcpy(buf, utf_region, utf_len); | |
| 4253 buf[utf_len] = 0; | |
| 4254 } else { | |
| 4255 // JDK null-terminates the buffer even in len is zero | |
| 4256 if (buf != NULL) { | |
| 4257 buf[0] = 0; | |
| 4258 } | |
| 4259 } | |
| 4260 } | |
| 4261 JNI_END | |
| 4262 | |
| 4263 | |
| 4264 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4265 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4266 #ifndef USDT2 |
| 0 | 4267 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4268 #else /* USDT2 */ |
| 4269 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4270 env, array, (uintptr_t *) isCopy); | |
| 4271 #endif /* USDT2 */ | |
| 0 | 4272 GC_locker::lock_critical(thread); |
| 4273 if (isCopy != NULL) { | |
| 4274 *isCopy = JNI_FALSE; | |
| 4275 } | |
| 4276 oop a = JNIHandles::resolve_non_null(array); | |
| 4277 assert(a->is_array(), "just checking"); | |
| 4278 BasicType type; | |
| 4279 if (a->is_objArray()) { | |
| 4280 type = T_OBJECT; | |
| 4281 } else { | |
| 4282 type = typeArrayKlass::cast(a->klass())->element_type(); | |
| 4283 } | |
| 4284 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4285 #ifndef USDT2 |
| 0 | 4286 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4287 #else /* USDT2 */ |
| 4288 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4289 ret); | |
| 4290 #endif /* USDT2 */ | |
| 0 | 4291 return ret; |
| 4292 JNI_END | |
| 4293 | |
| 4294 | |
| 4295 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4296 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4297 #ifndef USDT2 |
| 0 | 4298 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4299 #else /* USDT2 */ |
| 4300 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4301 env, array, carray, mode); | |
| 4302 #endif /* USDT2 */ | |
| 0 | 4303 // The array, carray and mode arguments are ignored |
| 4304 GC_locker::unlock_critical(thread); | |
| 4006 | 4305 #ifndef USDT2 |
| 0 | 4306 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4307 #else /* USDT2 */ |
| 4308 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4309 ); | |
| 4310 #endif /* USDT2 */ | |
| 0 | 4311 JNI_END |
| 4312 | |
| 4313 | |
| 4314 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4315 JNIWrapper("GetStringCritical"); | |
| 4006 | 4316 #ifndef USDT2 |
| 0 | 4317 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4318 #else /* USDT2 */ |
| 4319 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4320 env, string, (uintptr_t *) isCopy); | |
| 4321 #endif /* USDT2 */ | |
| 0 | 4322 GC_locker::lock_critical(thread); |
| 4323 if (isCopy != NULL) { | |
| 4324 *isCopy = JNI_FALSE; | |
| 4325 } | |
| 4326 oop s = JNIHandles::resolve_non_null(string); | |
| 4327 int s_len = java_lang_String::length(s); | |
| 4328 typeArrayOop s_value = java_lang_String::value(s); | |
| 4329 int s_offset = java_lang_String::offset(s); | |
| 4330 const jchar* ret; | |
| 4331 if (s_len > 0) { | |
| 4332 ret = s_value->char_at_addr(s_offset); | |
| 4333 } else { | |
| 4334 ret = (jchar*) s_value->base(T_CHAR); | |
| 4335 } | |
| 4006 | 4336 #ifndef USDT2 |
| 0 | 4337 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4338 #else /* USDT2 */ |
| 4339 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4340 (uint16_t *) ret); | |
| 4341 #endif /* USDT2 */ | |
| 0 | 4342 return ret; |
| 4343 JNI_END | |
| 4344 | |
| 4345 | |
| 4346 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4347 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4348 #ifndef USDT2 |
| 0 | 4349 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4350 #else /* USDT2 */ |
| 4351 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4352 env, str, (uint16_t *) chars); | |
| 4353 #endif /* USDT2 */ | |
| 0 | 4354 // The str and chars arguments are ignored |
| 4355 GC_locker::unlock_critical(thread); | |
| 4006 | 4356 #ifndef USDT2 |
| 0 | 4357 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4358 #else /* USDT2 */ |
| 4359 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4360 ); | |
| 4361 #endif /* USDT2 */ | |
| 0 | 4362 JNI_END |
| 4363 | |
| 4364 | |
| 4365 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4366 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4367 #ifndef USDT2 |
| 0 | 4368 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4369 #else /* USDT2 */ |
| 4370 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4371 env, ref); | |
| 4372 #endif /* USDT2 */ | |
| 0 | 4373 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4374 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4375 #ifndef USDT2 |
| 0 | 4376 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4377 #else /* USDT2 */ |
| 4378 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4379 ret); | |
| 4380 #endif /* USDT2 */ | |
| 0 | 4381 return ret; |
| 4382 JNI_END | |
| 4383 | |
| 4384 // Must be JNI_ENTRY (with HandleMark) | |
| 4385 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4386 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4387 #ifndef USDT2 |
| 0 | 4388 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4389 #else /* USDT2 */ |
| 4390 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4391 env, ref); | |
| 4392 #endif /* USDT2 */ | |
| 0 | 4393 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4394 #ifndef USDT2 |
| 0 | 4395 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4396 #else /* USDT2 */ |
| 4397 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4398 ); | |
| 4399 #endif /* USDT2 */ | |
| 0 | 4400 JNI_END |
| 4401 | |
| 4402 | |
| 4403 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4404 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4405 #ifndef USDT2 |
| 0 | 4406 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4407 #else /* USDT2 */ |
| 4408 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4409 env); | |
| 4410 #endif /* USDT2 */ | |
| 0 | 4411 jni_check_async_exceptions(thread); |
| 4412 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4413 #ifndef USDT2 |
| 0 | 4414 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4415 #else /* USDT2 */ |
| 4416 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4417 ret); | |
| 4418 #endif /* USDT2 */ | |
| 0 | 4419 return ret; |
| 4420 JNI_END | |
| 4421 | |
| 4422 | |
| 4423 // Initialization state for three routines below relating to | |
| 4424 // java.nio.DirectBuffers | |
| 4425 static jint directBufferSupportInitializeStarted = 0; | |
| 4426 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4427 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4428 static jclass bufferClass = NULL; | |
| 4429 static jclass directBufferClass = NULL; | |
| 4430 static jclass directByteBufferClass = NULL; | |
| 4431 static jmethodID directByteBufferConstructor = NULL; | |
| 4432 static jfieldID directBufferAddressField = NULL; | |
| 4433 static jfieldID bufferCapacityField = NULL; | |
| 4434 | |
| 4435 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4436 Handle loader; // null (bootstrap) loader | |
| 4437 Handle protection_domain; // null protection domain | |
| 4438 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4439 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4440 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
|
4441 |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4442 if (TraceClassResolution && result != NULL) { |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4443 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
|
4444 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4445 return result; |
| 0 | 4446 } |
| 4447 | |
| 4448 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4449 // circumvent any security checks that would be done by jni_FindClass. | |
| 4450 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4451 { | |
| 4452 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4453 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4454 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4455 return true; | |
| 4456 } | |
| 4457 JNI_END | |
| 4458 | |
| 4459 | |
| 4460 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4461 if (directBufferSupportInitializeFailed) { | |
| 4462 return false; | |
| 4463 } | |
| 4464 | |
| 4465 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4466 if (!lookupDirectBufferClasses(env)) { | |
| 4467 directBufferSupportInitializeFailed = 1; | |
| 4468 return false; | |
| 4469 } | |
| 4470 | |
| 4471 // Make global references for these | |
| 4472 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4473 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4474 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4475 | |
| 4476 // Get needed field and method IDs | |
| 4477 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4478 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4479 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4480 | |
| 4481 if ((directByteBufferConstructor == NULL) || | |
| 4482 (directBufferAddressField == NULL) || | |
| 4483 (bufferCapacityField == NULL)) { | |
| 4484 directBufferSupportInitializeFailed = 1; | |
| 4485 return false; | |
| 4486 } | |
| 4487 | |
| 4488 directBufferSupportInitializeEnded = 1; | |
| 4489 } else { | |
| 4490 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
|
4491 // 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
|
4492 // 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
|
4493 // 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
|
4494 // 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
|
4495 // 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
|
4496 ThreadInVMfromNative tivn(thread); |
| 0 | 4497 os::yield_all(); |
| 4498 } | |
| 4499 } | |
| 4500 | |
| 4501 return !directBufferSupportInitializeFailed; | |
| 4502 } | |
| 4503 | |
| 4504 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4505 { | |
| 4506 // thread_from_jni_environment() will block if VM is gone. | |
| 4507 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4508 | |
| 4509 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4510 #ifndef USDT2 |
| 0 | 4511 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4512 #else /* USDT2 */ |
| 4513 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4514 env, address, capacity); | |
| 4515 #endif /* USDT2 */ | |
| 0 | 4516 |
| 4517 if (!directBufferSupportInitializeEnded) { | |
| 4518 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4519 #ifndef USDT2 |
| 0 | 4520 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4521 #else /* USDT2 */ |
| 4522 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4523 NULL); | |
| 4524 #endif /* USDT2 */ | |
| 0 | 4525 return NULL; |
| 4526 } | |
| 4527 } | |
| 4528 | |
| 4529 // Being paranoid about accidental sign extension on address | |
| 4530 jlong addr = (jlong) ((uintptr_t) address); | |
| 4531 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4532 // takes int capacity | |
| 4533 jint cap = (jint) capacity; | |
| 4534 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4535 #ifndef USDT2 |
| 0 | 4536 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4537 #else /* USDT2 */ |
| 4538 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4539 ret); | |
| 4540 #endif /* USDT2 */ | |
| 0 | 4541 return ret; |
| 4542 } | |
| 4543 | |
| 4006 | 4544 #ifndef USDT2 |
| 0 | 4545 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4546 #else /* USDT2 */ |
| 4547 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4548 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4549 #endif /* USDT2 */ | |
| 0 | 4550 |
| 4551 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4552 { | |
| 4553 // thread_from_jni_environment() will block if VM is gone. | |
| 4554 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4555 | |
| 4556 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4557 #ifndef USDT2 |
| 0 | 4558 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4559 #else /* USDT2 */ |
| 4560 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4561 env, buf); | |
| 4562 #endif /* USDT2 */ | |
| 0 | 4563 void* ret = NULL; |
| 4564 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4565 | |
| 4566 if (!directBufferSupportInitializeEnded) { | |
| 4567 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4568 return 0; | |
| 4569 } | |
| 4570 } | |
| 4571 | |
| 4572 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4573 return 0; | |
| 4574 } | |
| 4575 | |
| 4576 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4577 return ret; | |
| 4578 } | |
| 4579 | |
| 4006 | 4580 #ifndef USDT2 |
| 0 | 4581 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4582 #else /* USDT2 */ |
| 4583 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4584 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4585 #endif /* USDT2 */ | |
| 0 | 4586 |
| 4587 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4588 { | |
| 4589 // thread_from_jni_environment() will block if VM is gone. | |
| 4590 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4591 | |
| 4592 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4593 #ifndef USDT2 |
| 0 | 4594 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4595 #else /* USDT2 */ |
| 4596 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4597 env, buf); | |
| 4598 #endif /* USDT2 */ | |
| 0 | 4599 jlong ret = -1; |
| 4600 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4601 | |
| 4602 if (!directBufferSupportInitializeEnded) { | |
| 4603 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4604 ret = 0; | |
| 4605 return ret; | |
| 4606 } | |
| 4607 } | |
| 4608 | |
| 4609 if (buf == NULL) { | |
| 4610 return -1; | |
| 4611 } | |
| 4612 | |
| 4613 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4614 return -1; | |
| 4615 } | |
| 4616 | |
| 4617 // NOTE that capacity is currently an int in the implementation | |
| 4618 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4619 return ret; | |
| 4620 } | |
| 4621 | |
| 4622 | |
| 4623 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4624 JNIWrapper("GetVersion"); | |
| 4006 | 4625 #ifndef USDT2 |
| 0 | 4626 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4627 #else /* USDT2 */ |
| 4628 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4629 env); | |
| 4630 #endif /* USDT2 */ | |
| 4631 #ifndef USDT2 | |
| 0 | 4632 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4633 #else /* USDT2 */ |
| 4634 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4635 CurrentVersion); | |
| 4636 #endif /* USDT2 */ | |
| 0 | 4637 return CurrentVersion; |
| 4638 JNI_END | |
| 4639 | |
| 4640 extern struct JavaVM_ main_vm; | |
| 4641 | |
| 4642 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4643 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4644 #ifndef USDT2 |
| 0 | 4645 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4646 #else /* USDT2 */ |
| 4647 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4648 env, (void **) vm); | |
| 4649 #endif /* USDT2 */ | |
| 0 | 4650 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4651 #ifndef USDT2 |
| 0 | 4652 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4653 #else /* USDT2 */ |
| 4654 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4655 JNI_OK); | |
| 4656 #endif /* USDT2 */ | |
| 0 | 4657 return JNI_OK; |
| 4658 JNI_END | |
| 4659 | |
| 4660 // Structure containing all jni functions | |
| 4661 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4662 NULL, | |
| 4663 NULL, | |
| 4664 NULL, | |
| 4665 | |
| 4666 NULL, | |
| 4667 | |
| 4668 jni_GetVersion, | |
| 4669 | |
| 4670 jni_DefineClass, | |
| 4671 jni_FindClass, | |
| 4672 | |
| 4673 jni_FromReflectedMethod, | |
| 4674 jni_FromReflectedField, | |
| 4675 | |
| 4676 jni_ToReflectedMethod, | |
| 4677 | |
| 4678 jni_GetSuperclass, | |
| 4679 jni_IsAssignableFrom, | |
| 4680 | |
| 4681 jni_ToReflectedField, | |
| 4682 | |
| 4683 jni_Throw, | |
| 4684 jni_ThrowNew, | |
| 4685 jni_ExceptionOccurred, | |
| 4686 jni_ExceptionDescribe, | |
| 4687 jni_ExceptionClear, | |
| 4688 jni_FatalError, | |
| 4689 | |
| 4690 jni_PushLocalFrame, | |
| 4691 jni_PopLocalFrame, | |
| 4692 | |
| 4693 jni_NewGlobalRef, | |
| 4694 jni_DeleteGlobalRef, | |
| 4695 jni_DeleteLocalRef, | |
| 4696 jni_IsSameObject, | |
| 4697 | |
| 4698 jni_NewLocalRef, | |
| 4699 jni_EnsureLocalCapacity, | |
| 4700 | |
| 4701 jni_AllocObject, | |
| 4702 jni_NewObject, | |
| 4703 jni_NewObjectV, | |
| 4704 jni_NewObjectA, | |
| 4705 | |
| 4706 jni_GetObjectClass, | |
| 4707 jni_IsInstanceOf, | |
| 4708 | |
| 4709 jni_GetMethodID, | |
| 4710 | |
| 4711 jni_CallObjectMethod, | |
| 4712 jni_CallObjectMethodV, | |
| 4713 jni_CallObjectMethodA, | |
| 4714 jni_CallBooleanMethod, | |
| 4715 jni_CallBooleanMethodV, | |
| 4716 jni_CallBooleanMethodA, | |
| 4717 jni_CallByteMethod, | |
| 4718 jni_CallByteMethodV, | |
| 4719 jni_CallByteMethodA, | |
| 4720 jni_CallCharMethod, | |
| 4721 jni_CallCharMethodV, | |
| 4722 jni_CallCharMethodA, | |
| 4723 jni_CallShortMethod, | |
| 4724 jni_CallShortMethodV, | |
| 4725 jni_CallShortMethodA, | |
| 4726 jni_CallIntMethod, | |
| 4727 jni_CallIntMethodV, | |
| 4728 jni_CallIntMethodA, | |
| 4729 jni_CallLongMethod, | |
| 4730 jni_CallLongMethodV, | |
| 4731 jni_CallLongMethodA, | |
| 4732 jni_CallFloatMethod, | |
| 4733 jni_CallFloatMethodV, | |
| 4734 jni_CallFloatMethodA, | |
| 4735 jni_CallDoubleMethod, | |
| 4736 jni_CallDoubleMethodV, | |
| 4737 jni_CallDoubleMethodA, | |
| 4738 jni_CallVoidMethod, | |
| 4739 jni_CallVoidMethodV, | |
| 4740 jni_CallVoidMethodA, | |
| 4741 | |
| 4742 jni_CallNonvirtualObjectMethod, | |
| 4743 jni_CallNonvirtualObjectMethodV, | |
| 4744 jni_CallNonvirtualObjectMethodA, | |
| 4745 jni_CallNonvirtualBooleanMethod, | |
| 4746 jni_CallNonvirtualBooleanMethodV, | |
| 4747 jni_CallNonvirtualBooleanMethodA, | |
| 4748 jni_CallNonvirtualByteMethod, | |
| 4749 jni_CallNonvirtualByteMethodV, | |
| 4750 jni_CallNonvirtualByteMethodA, | |
| 4751 jni_CallNonvirtualCharMethod, | |
| 4752 jni_CallNonvirtualCharMethodV, | |
| 4753 jni_CallNonvirtualCharMethodA, | |
| 4754 jni_CallNonvirtualShortMethod, | |
| 4755 jni_CallNonvirtualShortMethodV, | |
| 4756 jni_CallNonvirtualShortMethodA, | |
| 4757 jni_CallNonvirtualIntMethod, | |
| 4758 jni_CallNonvirtualIntMethodV, | |
| 4759 jni_CallNonvirtualIntMethodA, | |
| 4760 jni_CallNonvirtualLongMethod, | |
| 4761 jni_CallNonvirtualLongMethodV, | |
| 4762 jni_CallNonvirtualLongMethodA, | |
| 4763 jni_CallNonvirtualFloatMethod, | |
| 4764 jni_CallNonvirtualFloatMethodV, | |
| 4765 jni_CallNonvirtualFloatMethodA, | |
| 4766 jni_CallNonvirtualDoubleMethod, | |
| 4767 jni_CallNonvirtualDoubleMethodV, | |
| 4768 jni_CallNonvirtualDoubleMethodA, | |
| 4769 jni_CallNonvirtualVoidMethod, | |
| 4770 jni_CallNonvirtualVoidMethodV, | |
| 4771 jni_CallNonvirtualVoidMethodA, | |
| 4772 | |
| 4773 jni_GetFieldID, | |
| 4774 | |
| 4775 jni_GetObjectField, | |
| 4776 jni_GetBooleanField, | |
| 4777 jni_GetByteField, | |
| 4778 jni_GetCharField, | |
| 4779 jni_GetShortField, | |
| 4780 jni_GetIntField, | |
| 4781 jni_GetLongField, | |
| 4782 jni_GetFloatField, | |
| 4783 jni_GetDoubleField, | |
| 4784 | |
| 4785 jni_SetObjectField, | |
| 4786 jni_SetBooleanField, | |
| 4787 jni_SetByteField, | |
| 4788 jni_SetCharField, | |
| 4789 jni_SetShortField, | |
| 4790 jni_SetIntField, | |
| 4791 jni_SetLongField, | |
| 4792 jni_SetFloatField, | |
| 4793 jni_SetDoubleField, | |
| 4794 | |
| 4795 jni_GetStaticMethodID, | |
| 4796 | |
| 4797 jni_CallStaticObjectMethod, | |
| 4798 jni_CallStaticObjectMethodV, | |
| 4799 jni_CallStaticObjectMethodA, | |
| 4800 jni_CallStaticBooleanMethod, | |
| 4801 jni_CallStaticBooleanMethodV, | |
| 4802 jni_CallStaticBooleanMethodA, | |
| 4803 jni_CallStaticByteMethod, | |
| 4804 jni_CallStaticByteMethodV, | |
| 4805 jni_CallStaticByteMethodA, | |
| 4806 jni_CallStaticCharMethod, | |
| 4807 jni_CallStaticCharMethodV, | |
| 4808 jni_CallStaticCharMethodA, | |
| 4809 jni_CallStaticShortMethod, | |
| 4810 jni_CallStaticShortMethodV, | |
| 4811 jni_CallStaticShortMethodA, | |
| 4812 jni_CallStaticIntMethod, | |
| 4813 jni_CallStaticIntMethodV, | |
| 4814 jni_CallStaticIntMethodA, | |
| 4815 jni_CallStaticLongMethod, | |
| 4816 jni_CallStaticLongMethodV, | |
| 4817 jni_CallStaticLongMethodA, | |
| 4818 jni_CallStaticFloatMethod, | |
| 4819 jni_CallStaticFloatMethodV, | |
| 4820 jni_CallStaticFloatMethodA, | |
| 4821 jni_CallStaticDoubleMethod, | |
| 4822 jni_CallStaticDoubleMethodV, | |
| 4823 jni_CallStaticDoubleMethodA, | |
| 4824 jni_CallStaticVoidMethod, | |
| 4825 jni_CallStaticVoidMethodV, | |
| 4826 jni_CallStaticVoidMethodA, | |
| 4827 | |
| 4828 jni_GetStaticFieldID, | |
| 4829 | |
| 4830 jni_GetStaticObjectField, | |
| 4831 jni_GetStaticBooleanField, | |
| 4832 jni_GetStaticByteField, | |
| 4833 jni_GetStaticCharField, | |
| 4834 jni_GetStaticShortField, | |
| 4835 jni_GetStaticIntField, | |
| 4836 jni_GetStaticLongField, | |
| 4837 jni_GetStaticFloatField, | |
| 4838 jni_GetStaticDoubleField, | |
| 4839 | |
| 4840 jni_SetStaticObjectField, | |
| 4841 jni_SetStaticBooleanField, | |
| 4842 jni_SetStaticByteField, | |
| 4843 jni_SetStaticCharField, | |
| 4844 jni_SetStaticShortField, | |
| 4845 jni_SetStaticIntField, | |
| 4846 jni_SetStaticLongField, | |
| 4847 jni_SetStaticFloatField, | |
| 4848 jni_SetStaticDoubleField, | |
| 4849 | |
| 4850 jni_NewString, | |
| 4851 jni_GetStringLength, | |
| 4852 jni_GetStringChars, | |
| 4853 jni_ReleaseStringChars, | |
| 4854 | |
| 4855 jni_NewStringUTF, | |
| 4856 jni_GetStringUTFLength, | |
| 4857 jni_GetStringUTFChars, | |
| 4858 jni_ReleaseStringUTFChars, | |
| 4859 | |
| 4860 jni_GetArrayLength, | |
| 4861 | |
| 4862 jni_NewObjectArray, | |
| 4863 jni_GetObjectArrayElement, | |
| 4864 jni_SetObjectArrayElement, | |
| 4865 | |
| 4866 jni_NewBooleanArray, | |
| 4867 jni_NewByteArray, | |
| 4868 jni_NewCharArray, | |
| 4869 jni_NewShortArray, | |
| 4870 jni_NewIntArray, | |
| 4871 jni_NewLongArray, | |
| 4872 jni_NewFloatArray, | |
| 4873 jni_NewDoubleArray, | |
| 4874 | |
| 4875 jni_GetBooleanArrayElements, | |
| 4876 jni_GetByteArrayElements, | |
| 4877 jni_GetCharArrayElements, | |
| 4878 jni_GetShortArrayElements, | |
| 4879 jni_GetIntArrayElements, | |
| 4880 jni_GetLongArrayElements, | |
| 4881 jni_GetFloatArrayElements, | |
| 4882 jni_GetDoubleArrayElements, | |
| 4883 | |
| 4884 jni_ReleaseBooleanArrayElements, | |
| 4885 jni_ReleaseByteArrayElements, | |
| 4886 jni_ReleaseCharArrayElements, | |
| 4887 jni_ReleaseShortArrayElements, | |
| 4888 jni_ReleaseIntArrayElements, | |
| 4889 jni_ReleaseLongArrayElements, | |
| 4890 jni_ReleaseFloatArrayElements, | |
| 4891 jni_ReleaseDoubleArrayElements, | |
| 4892 | |
| 4893 jni_GetBooleanArrayRegion, | |
| 4894 jni_GetByteArrayRegion, | |
| 4895 jni_GetCharArrayRegion, | |
| 4896 jni_GetShortArrayRegion, | |
| 4897 jni_GetIntArrayRegion, | |
| 4898 jni_GetLongArrayRegion, | |
| 4899 jni_GetFloatArrayRegion, | |
| 4900 jni_GetDoubleArrayRegion, | |
| 4901 | |
| 4902 jni_SetBooleanArrayRegion, | |
| 4903 jni_SetByteArrayRegion, | |
| 4904 jni_SetCharArrayRegion, | |
| 4905 jni_SetShortArrayRegion, | |
| 4906 jni_SetIntArrayRegion, | |
| 4907 jni_SetLongArrayRegion, | |
| 4908 jni_SetFloatArrayRegion, | |
| 4909 jni_SetDoubleArrayRegion, | |
| 4910 | |
| 4911 jni_RegisterNatives, | |
| 4912 jni_UnregisterNatives, | |
| 4913 | |
| 4914 jni_MonitorEnter, | |
| 4915 jni_MonitorExit, | |
| 4916 | |
| 4917 jni_GetJavaVM, | |
| 4918 | |
| 4919 jni_GetStringRegion, | |
| 4920 jni_GetStringUTFRegion, | |
| 4921 | |
| 4922 jni_GetPrimitiveArrayCritical, | |
| 4923 jni_ReleasePrimitiveArrayCritical, | |
| 4924 | |
| 4925 jni_GetStringCritical, | |
| 4926 jni_ReleaseStringCritical, | |
| 4927 | |
| 4928 jni_NewWeakGlobalRef, | |
| 4929 jni_DeleteWeakGlobalRef, | |
| 4930 | |
| 4931 jni_ExceptionCheck, | |
| 4932 | |
| 4933 jni_NewDirectByteBuffer, | |
| 4934 jni_GetDirectBufferAddress, | |
| 4935 jni_GetDirectBufferCapacity, | |
| 4936 | |
| 4937 // New 1_6 features | |
| 4938 | |
| 4939 jni_GetObjectRefType | |
| 4940 }; | |
| 4941 | |
| 4942 | |
| 4943 // For jvmti use to modify jni function table. | |
| 4944 // Java threads in native contiues to run until it is transitioned | |
| 4945 // to VM at safepoint. Before the transition or before it is blocked | |
| 4946 // for safepoint it may access jni function table. VM could crash if | |
| 4947 // any java thread access the jni function table in the middle of memcpy. | |
| 4948 // To avoid this each function pointers are copied automically. | |
| 4949 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4950 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4951 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4952 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4953 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4954 Atomic::store_ptr(*b++, a++); | |
| 4955 } | |
| 4956 } | |
| 4957 | |
| 4958 void quicken_jni_functions() { | |
| 4959 // Replace Get<Primitive>Field with fast versions | |
| 4960 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4961 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4962 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4963 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4964 // versions currently isn't certain for server vm on uniprocessor. | |
| 4965 && os::is_MP() | |
| 4966 #endif | |
| 4967 ) { | |
| 4968 address func; | |
| 4969 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4970 if (func != (address)-1) { | |
| 4971 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4972 } | |
| 4973 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4974 if (func != (address)-1) { | |
| 4975 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4976 } | |
| 4977 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4978 if (func != (address)-1) { | |
| 4979 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4980 } | |
| 4981 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4982 if (func != (address)-1) { | |
| 4983 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4984 } | |
| 4985 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4986 if (func != (address)-1) { | |
| 4987 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4988 } | |
| 4989 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4990 if (func != (address)-1) { | |
| 4991 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4992 } | |
| 4993 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4994 if (func != (address)-1) { | |
| 4995 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4996 } | |
| 4997 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4998 if (func != (address)-1) { | |
| 4999 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 5000 } | |
| 5001 } | |
| 5002 } | |
| 5003 | |
| 5004 // Returns the function structure | |
| 5005 struct JNINativeInterface_* jni_functions() { | |
| 5006 #ifndef JNICHECK_KERNEL | |
| 5007 if (CheckJNICalls) return jni_functions_check(); | |
| 5008 #else // JNICHECK_KERNEL | |
| 5009 if (CheckJNICalls) warning("-Xcheck:jni is not supported in kernel vm."); | |
| 5010 #endif // JNICHECK_KERNEL | |
| 5011 return &jni_NativeInterface; | |
| 5012 } | |
| 5013 | |
| 5014 // Returns the function structure | |
| 5015 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 5016 return &jni_NativeInterface; | |
| 5017 } | |
| 5018 | |
| 5019 | |
| 5020 // Invocation API | |
| 5021 | |
| 5022 | |
| 5023 // Forward declaration | |
| 5024 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 5025 | |
| 5026 // Global invocation API vars | |
| 5027 volatile jint vm_created = 0; | |
| 5028 // Indicate whether it is safe to recreate VM | |
| 5029 volatile jint safe_to_recreate_vm = 1; | |
| 5030 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5031 | |
| 5032 | |
| 5033 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5034 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5035 | |
| 4006 | 5036 #ifndef USDT2 |
| 0 | 5037 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5038 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5039 #else /* USDT2 */ |
| 5040 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5041 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5042 #endif /* USDT2 */ | |
| 0 | 5043 |
| 5044 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5045 #ifndef USDT2 |
| 0 | 5046 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5047 #else /* USDT2 */ |
| 5048 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5049 args_); | |
| 5050 #endif /* USDT2 */ | |
| 0 | 5051 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5052 jint ret = JNI_ERR; | |
| 5053 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5054 | |
| 5055 if (Threads::is_supported_jni_version(args->version)) { | |
| 5056 ret = JNI_OK; | |
| 5057 } | |
| 5058 // 1.1 style no longer supported in hotspot. | |
| 5059 // According the JNI spec, we should update args->version on return. | |
| 5060 // We also use the structure to communicate with launcher about default | |
| 5061 // stack size. | |
| 5062 if (args->version == JNI_VERSION_1_1) { | |
| 5063 args->version = JNI_VERSION_1_2; | |
| 5064 // javaStackSize is int in arguments structure | |
| 5065 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5066 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5067 } | |
| 5068 return ret; | |
| 5069 } | |
| 5070 | |
| 3779 | 5071 #ifndef PRODUCT |
| 5072 | |
| 4708 | 5073 #include "gc_interface/collectedHeap.hpp" |
| 3779 | 5074 #include "utilities/quickSort.hpp" |
| 5075 | |
| 4708 | 5076 #define run_unit_test(unit_test_function_call) \ |
| 5077 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5078 unit_test_function_call | |
| 5079 | |
| 3779 | 5080 void execute_internal_vm_tests() { |
| 5081 if (ExecuteInternalVMTests) { | |
| 4708 | 5082 tty->print_cr("Running internal VM tests"); |
| 5083 run_unit_test(arrayOopDesc::test_max_array_length()); | |
| 5084 run_unit_test(CollectedHeap::test_is_in()); | |
| 5085 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 5086 run_unit_test(AltHashing::test_alt_hash()); |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5087 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5088 } |
| 5089 } | |
| 5090 | |
| 4708 | 5091 #undef run_unit_test |
| 5092 | |
| 3779 | 5093 #endif |
| 5094 | |
| 4006 | 5095 #ifndef USDT2 |
| 0 | 5096 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5097 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5098 #else /* USDT2 */ |
| 5099 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5100 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5101 #endif /* USDT2 */ | |
| 0 | 5102 |
| 5103 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5104 #ifndef USDT2 |
| 0 | 5105 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5106 #else /* USDT2 */ |
| 5107 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5108 (void **) vm, penv, args); | |
| 5109 #endif /* USDT2 */ | |
| 0 | 5110 |
| 5111 jint result = JNI_ERR; | |
| 5112 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5113 | |
| 1078 | 5114 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5115 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5116 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5117 // on all architectures. So we check it works before relying on it. | |
| 5118 #if defined(ZERO) && defined(ASSERT) | |
| 5119 { | |
| 5120 jint a = 0xcafebabe; | |
| 5121 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5122 void *c = &a; | |
| 5123 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5124 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5125 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5126 } | |
| 5127 #endif // ZERO && ASSERT | |
| 5128 | |
| 0 | 5129 // At the moment it's only possible to have one Java VM, |
| 5130 // since some of the runtime state is in global variables. | |
| 5131 | |
| 5132 // We cannot use our mutex locks here, since they only work on | |
| 5133 // Threads. We do an atomic compare and exchange to ensure only | |
| 5134 // one thread can call this method at a time | |
| 5135 | |
| 5136 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5137 // the add/dec implementations are dependent on whether we are running | |
| 5138 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5139 // function used to determine this will always return false. Atomic::xchg | |
| 5140 // does not have this problem. | |
| 5141 if (Atomic::xchg(1, &vm_created) == 1) { | |
| 5142 return JNI_ERR; // already created, or create attempt in progress | |
| 5143 } | |
| 5144 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5145 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5146 } | |
| 5147 | |
| 5148 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5149 | |
| 5150 /** | |
| 5151 * Certain errors during initialization are recoverable and do not | |
| 5152 * prevent this method from being called again at a later time | |
| 5153 * (perhaps with different arguments). However, at a certain | |
| 5154 * point during initialization if an error occurs we cannot allow | |
| 5155 * this function to be called again (or it will crash). In those | |
| 5156 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5157 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5158 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5159 */ | |
| 5160 bool can_try_again = true; | |
| 5161 | |
| 5162 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5163 if (result == JNI_OK) { | |
| 5164 JavaThread *thread = JavaThread::current(); | |
| 5165 /* thread is thread_in_vm here */ | |
| 5166 *vm = (JavaVM *)(&main_vm); | |
| 5167 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5168 | |
|
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|
5169 #ifdef GRAAL |
|
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|
5170 GraalCompiler* compiler = GraalCompiler::instance(); |
|
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|
5171 ciObjectFactory::initialize(); |
|
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|
5172 compiler->initialize(); |
|
4368
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|
5173 #endif |
|
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Pass-by compilation broker.
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|
5174 |
|
5747
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added basic high-level interpreter support to HotSpot
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|
5175 #ifdef HIGH_LEVEL_INTERPRETER |
|
120820e30baa
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|
5176 if (HighLevelInterpreterClass != NULL) { |
|
120820e30baa
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|
5177 bool result = VMToInterpreter::allocate_interpreter(HighLevelInterpreterClass, HighLevelInterpreterArguments, thread); |
|
120820e30baa
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|
5178 if (!result) { |
|
120820e30baa
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|
5179 vm_abort(false); |
|
120820e30baa
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|
5180 return JNI_ERR; |
|
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|
5181 } |
|
120820e30baa
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|
5182 } |
|
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|
5183 #endif |
|
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|
5184 |
| 0 | 5185 // Tracks the time application was running before GC |
| 5186 RuntimeService::record_application_start(); | |
| 5187 | |
| 5188 // Notify JVMTI | |
| 5189 if (JvmtiExport::should_post_thread_life()) { | |
| 5190 JvmtiExport::post_thread_start(thread); | |
| 5191 } | |
|
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|
5192 |
|
94ec88ca68e2
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|
5193 EVENT_BEGIN(TraceEventThreadStart, event); |
|
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|
5194 EVENT_COMMIT(event, |
|
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|
5195 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
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|
5196 |
| 0 | 5197 // Check if we should compile all classes on bootclasspath |
| 5198 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
| 5199 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. | |
| 5200 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5201 } else { | |
| 5202 if (can_try_again) { | |
| 5203 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5204 safe_to_recreate_vm = 1; | |
| 5205 } | |
| 5206 | |
| 5207 // Creation failed. We must reset vm_created | |
| 5208 *vm = 0; | |
| 5209 *(JNIEnv**)penv = 0; | |
| 5210 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5211 // control both compiler and architectural-based reordering. | |
| 5212 OrderAccess::release_store(&vm_created, 0); | |
| 5213 } | |
| 5214 | |
|
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jcoomes
parents:
1290
diff
changeset
|
5215 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
| 3779 | 5216 NOT_PRODUCT(execute_internal_vm_tests()); |
| 0 | 5217 return result; |
| 5218 } | |
| 5219 | |
| 4006 | 5220 #ifndef USDT2 |
| 0 | 5221 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5222 JavaVM**, jsize, jsize*); | |
| 5223 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5224 #endif /* !USDT2 */ |
| 0 | 5225 |
| 5226 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5227 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5228 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5229 #ifndef USDT2 |
| 0 | 5230 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5231 vm_buf, bufLen, numVMs); | |
| 4006 | 5232 #else /* USDT2 */ |
| 5233 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5234 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5235 #endif /* USDT2 */ | |
| 0 | 5236 if (vm_created) { |
| 5237 if (numVMs != NULL) *numVMs = 1; | |
| 5238 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5239 } else { | |
| 5240 if (numVMs != NULL) *numVMs = 0; | |
| 5241 } | |
| 4006 | 5242 #ifndef USDT2 |
| 0 | 5243 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5244 #else /* USDT2 */ |
| 5245 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5246 JNI_OK); | |
| 5247 #endif /* USDT2 */ | |
| 0 | 5248 return JNI_OK; |
| 5249 } | |
| 5250 | |
| 5251 extern "C" { | |
| 5252 | |
| 4006 | 5253 #ifndef USDT2 |
| 0 | 5254 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5255 #else /* USDT2 */ |
| 5256 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5257 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5258 #endif /* USDT2 */ | |
| 0 | 5259 |
| 5260 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5261 #ifndef USDT2 |
| 0 | 5262 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5263 #else /* USDT2 */ |
| 5264 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5265 vm); | |
| 5266 #endif /* USDT2 */ | |
| 0 | 5267 jint res = JNI_ERR; |
| 5268 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5269 | |
| 5270 if (!vm_created) { | |
| 5271 res = JNI_ERR; | |
| 5272 return res; | |
| 5273 } | |
| 5274 | |
| 5275 JNIWrapper("DestroyJavaVM"); | |
| 5276 JNIEnv *env; | |
| 5277 JavaVMAttachArgs destroyargs; | |
| 5278 destroyargs.version = CurrentVersion; | |
| 5279 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5280 destroyargs.group = NULL; | |
| 5281 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5282 if (res != JNI_OK) { | |
| 5283 return res; | |
| 5284 } | |
| 5285 | |
| 5286 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5287 JavaThread* thread = JavaThread::current(); | |
| 5288 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5289 if (Threads::destroy_vm()) { | |
| 5290 // Should not change thread state, VM is gone | |
| 5291 vm_created = false; | |
| 5292 res = JNI_OK; | |
| 5293 return res; | |
| 5294 } else { | |
| 5295 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5296 res = JNI_ERR; | |
| 5297 return res; | |
| 5298 } | |
| 5299 } | |
| 5300 | |
| 5301 | |
| 5302 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5303 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5304 | |
| 5305 // Check below commented out from JDK1.2fcs as well | |
| 5306 /* | |
| 5307 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5308 return JNI_EVERSION; | |
| 5309 } | |
| 5310 */ | |
| 5311 | |
| 5312 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5313 if (t != NULL) { | |
| 5314 // If the thread has been attached this operation is a no-op | |
| 5315 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5316 return JNI_OK; | |
| 5317 } | |
| 5318 | |
| 5319 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5320 // ThreadsListEnumerator - see CR 6404306 | |
| 5321 JavaThread* thread = new JavaThread(true); | |
| 5322 | |
| 5323 // Set correct safepoint info. The thread is going to call into Java when | |
| 5324 // initializing the Java level thread object. Hence, the correct state must | |
| 5325 // be set in order for the Safepoint code to deal with it correctly. | |
| 5326 thread->set_thread_state(_thread_in_vm); | |
| 5327 // Must do this before initialize_thread_local_storage | |
| 5328 thread->record_stack_base_and_size(); | |
|
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1142
diff
changeset
|
5329 |
| 0 | 5330 thread->initialize_thread_local_storage(); |
| 5331 | |
| 5332 if (!os::create_attached_thread(thread)) { | |
| 5333 delete thread; | |
| 5334 return JNI_ERR; | |
| 5335 } | |
|
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|
5336 // Enable stack overflow checks |
|
c8a467bf56ad
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|
5337 thread->create_stack_guard_pages(); |
|
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1142
diff
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|
5338 |
| 0 | 5339 thread->initialize_tlab(); |
| 5340 | |
|
1681
126ea7725993
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bobv
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1552
diff
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|
5341 thread->cache_global_variables(); |
|
126ea7725993
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bobv
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diff
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|
5342 |
| 0 | 5343 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5344 // not been added to the Thread list yet. | |
| 5345 { Threads_lock->lock_without_safepoint_check(); | |
| 5346 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5347 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5348 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5349 Threads::add(thread, daemon); | |
| 5350 Threads_lock->unlock(); | |
| 5351 } | |
| 5352 // Create thread group and name info from attach arguments | |
| 5353 oop group = NULL; | |
| 5354 char* thread_name = NULL; | |
| 5355 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5356 group = JNIHandles::resolve(args->group); | |
| 5357 thread_name = args->name; // may be NULL | |
| 5358 } | |
| 5359 if (group == NULL) group = Universe::main_thread_group(); | |
| 5360 | |
| 5361 // Create Java level thread object and attach it to this thread | |
| 5362 bool attach_failed = false; | |
| 5363 { | |
| 5364 EXCEPTION_MARK; | |
| 5365 HandleMark hm(THREAD); | |
| 5366 Handle thread_group(THREAD, group); | |
| 5367 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5368 if (HAS_PENDING_EXCEPTION) { | |
| 5369 CLEAR_PENDING_EXCEPTION; | |
| 5370 // cleanup outside the handle mark. | |
| 5371 attach_failed = true; | |
| 5372 } | |
| 5373 } | |
| 5374 | |
| 5375 if (attach_failed) { | |
| 5376 // Added missing cleanup | |
| 5377 thread->cleanup_failed_attach_current_thread(); | |
| 5378 return JNI_ERR; | |
| 5379 } | |
| 5380 | |
| 5381 // mark the thread as no longer attaching | |
| 5382 // this uses a fence to push the change through so we don't have | |
| 5383 // to regrab the threads_lock | |
| 4006 | 5384 thread->set_done_attaching_via_jni(); |
| 0 | 5385 |
| 5386 // Set java thread status. | |
| 5387 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5388 java_lang_Thread::RUNNABLE); | |
| 5389 | |
| 5390 // Notify the debugger | |
| 5391 if (JvmtiExport::should_post_thread_life()) { | |
| 5392 JvmtiExport::post_thread_start(thread); | |
| 5393 } | |
| 5394 | |
|
4800
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diff
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|
5395 EVENT_BEGIN(TraceEventThreadStart, event); |
|
94ec88ca68e2
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|
5396 EVENT_COMMIT(event, |
|
94ec88ca68e2
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diff
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|
5397 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
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|
5398 |
| 0 | 5399 *(JNIEnv**)penv = thread->jni_environment(); |
| 5400 | |
| 5401 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5402 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5403 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5404 // needed. | |
| 5405 | |
| 5406 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5407 | |
| 5408 // Perform any platform dependent FPU setup | |
| 5409 os::setup_fpu(); | |
| 5410 | |
| 5411 return JNI_OK; | |
| 5412 } | |
| 5413 | |
| 5414 | |
| 5415 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5416 #ifndef USDT2 |
| 0 | 5417 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5418 #else /* USDT2 */ |
| 5419 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5420 vm, penv, _args); | |
| 5421 #endif /* USDT2 */ | |
| 0 | 5422 if (!vm_created) { |
| 4006 | 5423 #ifndef USDT2 |
| 0 | 5424 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5425 #else /* USDT2 */ |
| 5426 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5427 (uint32_t) JNI_ERR); | |
| 5428 #endif /* USDT2 */ | |
| 0 | 5429 return JNI_ERR; |
| 5430 } | |
| 5431 | |
| 5432 JNIWrapper("AttachCurrentThread"); | |
| 5433 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5434 #ifndef USDT2 |
| 0 | 5435 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5436 #else /* USDT2 */ |
| 5437 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5438 ret); | |
| 5439 #endif /* USDT2 */ | |
| 0 | 5440 return ret; |
| 5441 } | |
| 5442 | |
| 5443 | |
| 5444 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5445 #ifndef USDT2 |
| 0 | 5446 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5447 #else /* USDT2 */ |
| 5448 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5449 vm); | |
| 5450 #endif /* USDT2 */ | |
| 0 | 5451 VM_Exit::block_if_vm_exited(); |
| 5452 | |
| 5453 JNIWrapper("DetachCurrentThread"); | |
| 5454 | |
| 5455 // If the thread has been deattacted the operations is a no-op | |
| 5456 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5457 #ifndef USDT2 |
| 0 | 5458 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5459 #else /* USDT2 */ |
| 5460 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5461 JNI_OK); | |
| 5462 #endif /* USDT2 */ | |
| 0 | 5463 return JNI_OK; |
| 5464 } | |
| 5465 | |
| 5466 JavaThread* thread = JavaThread::current(); | |
| 5467 if (thread->has_last_Java_frame()) { | |
| 4006 | 5468 #ifndef USDT2 |
| 0 | 5469 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5470 #else /* USDT2 */ |
| 5471 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5472 (uint32_t) JNI_ERR); | |
| 5473 #endif /* USDT2 */ | |
| 0 | 5474 // Can't detach a thread that's running java, that can't work. |
| 5475 return JNI_ERR; | |
| 5476 } | |
| 5477 | |
| 5478 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5479 // middel of a safepoint operation | |
| 5480 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5481 | |
| 5482 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5483 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5484 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5485 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5486 // the removal of the guards is buried below in JavaThread::exit() | |
| 5487 // here. The abstraction should be more symmetrically either exposed | |
| 5488 // or hidden (e.g. it could probably be hidden in the same | |
| 5489 // (platform-dependent) methods where we do alternate stack | |
| 5490 // maintenance work?) | |
| 5491 thread->exit(false, JavaThread::jni_detach); | |
| 5492 delete thread; | |
| 5493 | |
| 4006 | 5494 #ifndef USDT2 |
| 0 | 5495 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5496 #else /* USDT2 */ |
| 5497 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5498 JNI_OK); | |
| 5499 #endif /* USDT2 */ | |
| 0 | 5500 return JNI_OK; |
| 5501 } | |
| 5502 | |
| 4006 | 5503 #ifndef USDT2 |
| 0 | 5504 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5505 #else /* USDT2 */ |
| 5506 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5507 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5508 #endif /* USDT2 */ | |
| 0 | 5509 |
| 5510 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5511 #ifndef USDT2 |
| 0 | 5512 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5513 #else /* USDT2 */ |
| 5514 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5515 vm, penv, version); | |
| 5516 #endif /* USDT2 */ | |
| 0 | 5517 jint ret = JNI_ERR; |
| 5518 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5519 | |
| 5520 if (!vm_created) { | |
| 5521 *penv = NULL; | |
| 5522 ret = JNI_EDETACHED; | |
| 5523 return ret; | |
| 5524 } | |
| 5525 | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
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parents:
4708
diff
changeset
|
5526 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5527 return ret; |
| 5528 } | |
| 5529 | |
| 5530 #ifndef JVMPI_VERSION_1 | |
| 5531 // need these in order to be polite about older agents | |
| 5532 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5533 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5534 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5535 #endif // !JVMPI_VERSION_1 | |
| 5536 | |
| 5537 Thread* thread = ThreadLocalStorage::thread(); | |
| 5538 if (thread != NULL && thread->is_Java_thread()) { | |
| 5539 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5540 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5541 ret = JNI_OK; | |
| 5542 return ret; | |
| 5543 | |
| 5544 } else if (version == JVMPI_VERSION_1 || | |
| 5545 version == JVMPI_VERSION_1_1 || | |
| 5546 version == JVMPI_VERSION_1_2) { | |
| 5547 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5548 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5549 ret = JNI_EVERSION; | |
| 5550 return ret; | |
| 5551 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5552 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5553 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5554 ret = JNI_EVERSION; | |
| 5555 return ret; | |
| 5556 } else { | |
| 5557 *penv = NULL; | |
| 5558 ret = JNI_EVERSION; | |
| 5559 return ret; | |
| 5560 } | |
| 5561 } else { | |
| 5562 *penv = NULL; | |
| 5563 ret = JNI_EDETACHED; | |
| 5564 return ret; | |
| 5565 } | |
| 5566 } | |
| 5567 | |
| 5568 | |
| 5569 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5570 #ifndef USDT2 |
| 0 | 5571 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5572 #else /* USDT2 */ |
| 5573 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5574 vm, penv, _args); | |
| 5575 #endif /* USDT2 */ | |
| 0 | 5576 if (!vm_created) { |
| 4006 | 5577 #ifndef USDT2 |
| 0 | 5578 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5579 #else /* USDT2 */ |
| 5580 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5581 (uint32_t) JNI_ERR); | |
| 5582 #endif /* USDT2 */ | |
| 0 | 5583 return JNI_ERR; |
| 5584 } | |
| 5585 | |
| 5586 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5587 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5588 #ifndef USDT2 |
| 0 | 5589 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5590 #else /* USDT2 */ |
| 5591 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5592 ret); | |
| 5593 #endif /* USDT2 */ | |
| 0 | 5594 return ret; |
| 5595 } | |
| 5596 | |
| 5597 | |
| 5598 } // End extern "C" | |
| 5599 | |
| 5600 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5601 NULL, | |
| 5602 NULL, | |
| 5603 NULL, | |
| 5604 | |
| 5605 jni_DestroyJavaVM, | |
| 5606 jni_AttachCurrentThread, | |
| 5607 jni_DetachCurrentThread, | |
| 5608 jni_GetEnv, | |
| 5609 jni_AttachCurrentThreadAsDaemon | |
| 5610 }; |