Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 6989:2afd99933ae6
Remove Klass::cast from graalEnv
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Mon, 19 Nov 2012 15:42:58 +0100 |
| parents | 2cb439954abf |
| children | 263bc2349f15 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2012 Red Hat, Inc. |
| 0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
|
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
| 0 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #include "precompiled.hpp" |
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27 #include "ci/ciReplay.hpp" |
| 6162 | 28 #include "classfile/altHashing.hpp" |
| 1972 | 29 #include "classfile/classLoader.hpp" |
| 30 #include "classfile/javaClasses.hpp" | |
| 31 #include "classfile/symbolTable.hpp" | |
| 32 #include "classfile/systemDictionary.hpp" | |
| 33 #include "classfile/vmSymbols.hpp" | |
| 34 #include "interpreter/linkResolver.hpp" | |
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35 #ifdef GRAAL |
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36 #include "graal/graalCompiler.hpp" |
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37 #endif |
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38 #ifdef HIGH_LEVEL_INTERPRETER |
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39 #include "graal/graalVMToInterpreter.hpp" |
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40 #endif |
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41 #ifndef SERIALGC |
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42 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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43 #endif // SERIALGC |
| 6197 | 44 #include "memory/allocation.hpp" |
| 1972 | 45 #include "memory/allocation.inline.hpp" |
| 46 #include "memory/gcLocker.inline.hpp" | |
| 47 #include "memory/oopFactory.hpp" | |
| 48 #include "memory/universe.inline.hpp" | |
| 49 #include "oops/instanceKlass.hpp" | |
| 50 #include "oops/instanceOop.hpp" | |
| 51 #include "oops/markOop.hpp" | |
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52 #include "oops/method.hpp" |
| 1972 | 53 #include "oops/objArrayKlass.hpp" |
| 54 #include "oops/objArrayOop.hpp" | |
| 55 #include "oops/oop.inline.hpp" | |
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56 #include "oops/symbol.hpp" |
| 1972 | 57 #include "oops/typeArrayKlass.hpp" |
| 58 #include "oops/typeArrayOop.hpp" | |
| 59 #include "prims/jni.h" | |
| 60 #include "prims/jniCheck.hpp" | |
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61 #include "prims/jniExport.hpp" |
| 1972 | 62 #include "prims/jniFastGetField.hpp" |
| 63 #include "prims/jvm.h" | |
| 64 #include "prims/jvm_misc.hpp" | |
| 65 #include "prims/jvmtiExport.hpp" | |
| 66 #include "prims/jvmtiThreadState.hpp" | |
| 67 #include "runtime/compilationPolicy.hpp" | |
| 68 #include "runtime/fieldDescriptor.hpp" | |
| 69 #include "runtime/fprofiler.hpp" | |
| 70 #include "runtime/handles.inline.hpp" | |
| 71 #include "runtime/interfaceSupport.hpp" | |
| 72 #include "runtime/java.hpp" | |
| 73 #include "runtime/javaCalls.hpp" | |
| 74 #include "runtime/jfieldIDWorkaround.hpp" | |
| 75 #include "runtime/reflection.hpp" | |
| 76 #include "runtime/sharedRuntime.hpp" | |
| 77 #include "runtime/signature.hpp" | |
| 78 #include "runtime/vm_operations.hpp" | |
| 79 #include "services/runtimeService.hpp" | |
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80 #include "trace/tracing.hpp" |
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81 #include "trace/traceEventTypes.hpp" |
| 1972 | 82 #include "utilities/defaultStream.hpp" |
| 83 #include "utilities/dtrace.hpp" | |
| 84 #include "utilities/events.hpp" | |
| 85 #include "utilities/histogram.hpp" | |
| 86 #ifdef TARGET_OS_FAMILY_linux | |
| 87 # include "os_linux.inline.hpp" | |
| 88 # include "thread_linux.inline.hpp" | |
| 89 #endif | |
| 90 #ifdef TARGET_OS_FAMILY_solaris | |
| 91 # include "os_solaris.inline.hpp" | |
| 92 # include "thread_solaris.inline.hpp" | |
| 93 #endif | |
| 94 #ifdef TARGET_OS_FAMILY_windows | |
| 95 # include "os_windows.inline.hpp" | |
| 96 # include "thread_windows.inline.hpp" | |
| 97 #endif | |
| 3960 | 98 #ifdef TARGET_OS_FAMILY_bsd |
| 99 # include "os_bsd.inline.hpp" | |
| 100 # include "thread_bsd.inline.hpp" | |
| 101 #endif | |
| 0 | 102 |
| 103 static jint CurrentVersion = JNI_VERSION_1_6; | |
| 104 | |
| 105 | |
| 106 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 107 // '-return' probe regardless of the return path is taken out of the function. | |
| 108 // Methods that have multiple return paths use this to avoid having to | |
| 109 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 110 // since those macros can cause an immedate uninstrumented return. | |
| 111 // | |
| 112 // In order to get the return value, a reference to the variable containing | |
| 113 // the return value must be passed to the contructor of the object, and | |
| 114 // the return value must be set before return (since the mark object has | |
| 115 // a reference to it). | |
| 116 // | |
| 117 // Example: | |
| 118 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 119 // JNI_ENTRY(int, SomeFunc, ...) | |
| 120 // int return_value = 0; | |
| 121 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 122 // foo(CHECK_0) | |
| 123 // return_value = 5; | |
| 124 // return return_value; | |
| 125 // JNI_END | |
| 4006 | 126 #ifndef USDT2 |
| 0 | 127 #define DT_RETURN_MARK_DECL(name, type) \ |
| 128 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 129 DTRACE_ONLY( \ | |
| 130 class DTraceReturnProbeMark_##name { \ | |
| 131 public: \ | |
| 132 const type& _ret_ref; \ | |
| 133 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 134 ~DTraceReturnProbeMark_##name() { \ | |
| 135 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 136 } \ | |
| 137 } \ | |
| 138 ) | |
| 139 // Void functions are simpler since there's no return value | |
| 140 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 141 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 142 DTRACE_ONLY( \ | |
| 143 class DTraceReturnProbeMark_##name { \ | |
| 144 public: \ | |
| 145 ~DTraceReturnProbeMark_##name() { \ | |
| 146 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 147 } \ | |
| 148 } \ | |
| 149 ) | |
| 150 | |
| 4006 | 151 #else /* USDT2 */ |
| 152 | |
| 153 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 154 DTRACE_ONLY( \ | |
| 155 class DTraceReturnProbeMark_##name { \ | |
| 156 public: \ | |
| 157 const type& _ret_ref; \ | |
| 158 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 159 ~DTraceReturnProbeMark_##name() { \ | |
| 160 probe; \ | |
| 161 } \ | |
| 162 } \ | |
| 163 ) | |
| 164 // Void functions are simpler since there's no return value | |
| 165 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 166 DTRACE_ONLY( \ | |
| 167 class DTraceReturnProbeMark_##name { \ | |
| 168 public: \ | |
| 169 ~DTraceReturnProbeMark_##name() { \ | |
| 170 probe; \ | |
| 171 } \ | |
| 172 } \ | |
| 173 ) | |
| 174 #endif /* USDT2 */ | |
| 0 | 175 |
| 176 // Place these macros in the function to mark the return. Non-void | |
| 177 // functions need the type and address of the return value. | |
| 178 #define DT_RETURN_MARK(name, type, ref) \ | |
| 179 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 180 #define DT_VOID_RETURN_MARK(name) \ | |
| 181 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 182 | |
| 183 | |
| 184 // Use these to select distinct code for floating-point vs. non-floating point | |
| 185 // situations. Used from within common macros where we need slightly | |
| 186 // different behavior for Float/Double | |
| 187 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 188 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 189 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 190 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 191 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 192 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 193 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 194 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 195 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 196 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 197 FP_SELECT_##TypeName(intcode, fpcode) | |
| 198 | |
| 199 #define COMMA , | |
| 200 | |
| 201 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 202 // (dtrace doesn't do FP yet) | |
| 4006 | 203 #ifndef USDT2 |
| 0 | 204 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 205 FP_SELECT(TypeName, \ | |
| 206 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 207 #else /* USDT2 */ |
| 208 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 209 FP_SELECT(TypeName, \ | |
| 210 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 211 #endif /* USDT2 */ | |
| 0 | 212 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 213 FP_SELECT(TypeName, \ | |
| 214 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 215 | |
| 216 | |
| 217 // out-of-line helpers for class jfieldIDWorkaround: | |
| 218 | |
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219 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 220 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 221 uintptr_t as_uint = (uintptr_t) id; | |
| 222 intptr_t offset = raw_instance_offset(id); | |
| 223 if (is_checked_jfieldID(id)) { | |
| 224 if (!klass_hash_ok(k, id)) { | |
| 225 return false; | |
| 226 } | |
| 227 } | |
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228 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 229 } else { |
| 230 JNIid* result = (JNIid*) id; | |
| 231 #ifdef ASSERT | |
| 232 return result != NULL && result->is_static_field_id(); | |
| 233 #else | |
| 234 return result != NULL; | |
| 235 #endif | |
| 236 } | |
| 237 } | |
| 238 | |
| 239 | |
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240 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 241 if (offset <= small_offset_mask) { |
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242 Klass* field_klass = k; |
| 6983 | 243 Klass* super_klass = field_klass->super(); |
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244 // With compressed oops the most super class with nonstatic fields would |
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245 // be the owner of fields embedded in the header. |
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246 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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247 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 248 field_klass = super_klass; // super contains the field also |
| 6983 | 249 super_klass = field_klass->super(); |
| 0 | 250 } |
| 251 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 252 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 253 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 254 } else { | |
| 255 #if 0 | |
| 256 #ifndef PRODUCT | |
| 257 { | |
| 258 ResourceMark rm; | |
| 6983 | 259 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 260 } |
| 261 #endif | |
| 262 #endif | |
| 263 return 0; | |
| 264 } | |
| 265 } | |
| 266 | |
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267 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 268 uintptr_t as_uint = (uintptr_t) id; |
| 269 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 270 do { | |
| 271 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 272 // Could use a non-blocking query for identity_hash here... | |
| 273 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 274 return true; | |
| 6983 | 275 k = k->super(); |
| 0 | 276 } while (k != NULL); |
| 277 return false; | |
| 278 } | |
| 279 | |
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280 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 281 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 282 uintptr_t as_uint = (uintptr_t) id; | |
| 283 intptr_t offset = raw_instance_offset(id); | |
| 284 if (VerifyJNIFields) { | |
| 285 if (is_checked_jfieldID(id)) { | |
| 286 guarantee(klass_hash_ok(k, id), | |
| 287 "Bug in native code: jfieldID class must match object"); | |
| 288 } else { | |
| 289 #if 0 | |
| 290 #ifndef PRODUCT | |
| 291 if (Verbose) { | |
| 292 ResourceMark rm; | |
| 6983 | 293 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 294 } |
| 295 #endif | |
| 296 #endif | |
| 297 } | |
| 298 } | |
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299 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 300 "Bug in native code: jfieldID offset must address interior of object"); |
| 301 } | |
| 302 | |
| 303 // Pick a reasonable higher bound for local capacity requested | |
| 304 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 305 // high because a test (or very unusual application) may try to allocate | |
| 306 // that many handles and run out of swap space. An implementation is | |
| 307 // permitted to allocate more handles than the ensured capacity, so this | |
| 308 // value is set high enough to prevent compatibility problems. | |
| 309 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 310 | |
| 311 | |
| 312 // Wrapper to trace JNI functions | |
| 313 | |
| 314 #ifdef ASSERT | |
| 315 Histogram* JNIHistogram; | |
| 316 static volatile jint JNIHistogram_lock = 0; | |
| 317 | |
| 318 class JNITraceWrapper : public StackObj { | |
| 319 public: | |
| 320 JNITraceWrapper(const char* format, ...) { | |
| 321 if (TraceJNICalls) { | |
| 322 va_list ap; | |
| 323 va_start(ap, format); | |
| 324 tty->print("JNI "); | |
| 325 tty->vprint_cr(format, ap); | |
| 326 va_end(ap); | |
| 327 } | |
| 328 } | |
| 329 }; | |
| 330 | |
| 331 class JNIHistogramElement : public HistogramElement { | |
| 332 public: | |
| 333 JNIHistogramElement(const char* name); | |
| 334 }; | |
| 335 | |
| 336 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 337 _name = elementName; | |
| 338 uintx count = 0; | |
| 339 | |
| 340 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 341 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 342 count +=1; | |
| 343 if ( (WarnOnStalledSpinLock > 0) | |
| 344 && (count % WarnOnStalledSpinLock == 0)) { | |
| 345 warning("JNIHistogram_lock seems to be stalled"); | |
| 346 } | |
| 347 } | |
| 348 } | |
| 349 | |
| 350 | |
| 351 if(JNIHistogram == NULL) | |
| 352 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 353 | |
| 354 JNIHistogram->add_element(this); | |
| 355 Atomic::dec(&JNIHistogram_lock); | |
| 356 } | |
| 357 | |
| 358 #define JNICountWrapper(arg) \ | |
| 359 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 360 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 361 if (e != NULL) e->increment_count() | |
| 362 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 363 #else | |
| 364 #define JNIWrapper(arg) | |
| 365 #endif | |
| 366 | |
| 367 | |
| 368 // Implementation of JNI entries | |
| 369 | |
| 4006 | 370 #ifndef USDT2 |
| 0 | 371 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 372 #else /* USDT2 */ |
| 373 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 374 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 375 #endif /* USDT2 */ | |
| 0 | 376 |
| 377 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 378 const jbyte *buf, jsize bufLen)) | |
| 379 JNIWrapper("DefineClass"); | |
| 380 | |
| 4006 | 381 #ifndef USDT2 |
| 0 | 382 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 383 env, name, loaderRef, buf, bufLen); | |
| 4006 | 384 #else /* USDT2 */ |
| 385 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 386 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 387 #endif /* USDT2 */ | |
| 0 | 388 jclass cls = NULL; |
| 389 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 390 | |
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391 TempNewSymbol class_name = NULL; |
| 0 | 392 // Since exceptions can be thrown, class initialization can take place |
| 393 // if name is NULL no check for class name in .class stream has to be made. | |
| 394 if (name != NULL) { | |
| 395 const int str_len = (int)strlen(name); | |
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396 if (str_len > Symbol::max_length()) { |
| 0 | 397 // It's impossible to create this class; the name cannot fit |
| 398 // into the constant pool. | |
| 399 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 400 } | |
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401 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 402 } |
| 403 ResourceMark rm(THREAD); | |
| 404 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 405 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 406 | |
| 407 if (UsePerfData && !class_loader.is_null()) { | |
| 408 // check whether the current caller thread holds the lock or not. | |
| 409 // If not, increment the corresponding counter | |
| 410 if (ObjectSynchronizer:: | |
| 411 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 412 ObjectSynchronizer::owner_self) { | |
| 413 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 414 } | |
| 415 } | |
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416 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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417 Handle(), &st, true, |
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418 CHECK_NULL); |
| 0 | 419 |
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420 if (TraceClassResolution && k != NULL) { |
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421 trace_class_resolution(k); |
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422 } |
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423 |
| 0 | 424 cls = (jclass)JNIHandles::make_local( |
| 6983 | 425 env, k->java_mirror()); |
| 0 | 426 return cls; |
| 427 JNI_END | |
| 428 | |
| 429 | |
| 430 | |
| 431 static bool first_time_FindClass = true; | |
| 432 | |
| 4006 | 433 #ifndef USDT2 |
| 0 | 434 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 435 #else /* USDT2 */ |
| 436 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 437 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 438 #endif /* USDT2 */ | |
| 0 | 439 |
| 440 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 441 JNIWrapper("FindClass"); | |
| 4006 | 442 #ifndef USDT2 |
| 0 | 443 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 444 #else /* USDT2 */ |
| 445 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 446 env, (char *)name); | |
| 447 #endif /* USDT2 */ | |
| 0 | 448 |
| 449 jclass result = NULL; | |
| 450 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 451 | |
| 452 // Remember if we are the first invocation of jni_FindClass | |
| 453 bool first_time = first_time_FindClass; | |
| 454 first_time_FindClass = false; | |
| 455 | |
| 456 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 457 // name we can fit in the constant pool. | |
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458 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 459 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 460 } | |
| 461 | |
| 462 //%note jni_3 | |
| 463 Handle loader; | |
| 464 Handle protection_domain; | |
| 465 // Find calling class | |
| 466 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 467 if (k.not_null()) { | |
| 468 loader = Handle(THREAD, k->class_loader()); | |
| 469 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 470 // in the correct class context. | |
| 471 if (loader.is_null() && | |
| 472 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 473 JavaValue result(T_OBJECT); | |
| 474 JavaCalls::call_static(&result, k, | |
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475 vmSymbols::getFromClass_name(), |
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476 vmSymbols::void_class_signature(), |
| 0 | 477 thread); |
| 478 if (HAS_PENDING_EXCEPTION) { | |
| 479 Handle ex(thread, thread->pending_exception()); | |
| 480 CLEAR_PENDING_EXCEPTION; | |
| 481 THROW_HANDLE_0(ex); | |
| 482 } | |
| 483 oop mirror = (oop) result.get_jobject(); | |
| 484 loader = Handle(THREAD, | |
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485 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 486 protection_domain = Handle(THREAD, |
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487 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 488 } |
| 489 } else { | |
| 490 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 491 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 492 } | |
| 493 | |
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494 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 495 result = find_class_from_class_loader(env, sym, true, loader, |
| 496 protection_domain, true, thread); | |
| 497 | |
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498 if (TraceClassResolution && result != NULL) { |
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499 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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500 } |
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501 |
| 0 | 502 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 503 // rather than just allowing invocation counter to overflow and decay. | |
| 504 // Controlled by flag DelayCompilationDuringStartup. | |
| 505 if (first_time && !CompileTheWorld) | |
| 506 CompilationPolicy::completed_vm_startup(); | |
| 507 | |
| 508 return result; | |
| 509 JNI_END | |
| 510 | |
| 4006 | 511 #ifndef USDT2 |
| 0 | 512 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 513 #else /* USDT2 */ |
| 514 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 515 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 516 #endif /* USDT2 */ | |
| 0 | 517 |
| 518 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 519 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 520 #ifndef USDT2 |
| 0 | 521 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 522 #else /* USDT2 */ |
| 523 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 524 env, method); | |
| 525 #endif /* USDT2 */ | |
| 0 | 526 jmethodID ret = NULL; |
| 527 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 528 | |
| 529 // method is a handle to a java.lang.reflect.Method object | |
| 530 oop reflected = JNIHandles::resolve_non_null(method); | |
| 531 oop mirror = NULL; | |
| 532 int slot = 0; | |
| 533 | |
| 1142 | 534 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 535 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 536 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 537 } else { | |
| 1142 | 538 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 539 mirror = java_lang_reflect_Method::clazz(reflected); |
| 540 slot = java_lang_reflect_Method::slot(reflected); | |
| 541 } | |
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542 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 543 |
| 544 KlassHandle k1(THREAD, k); | |
| 545 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 546 k1()->initialize(CHECK_NULL); |
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547 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 548 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 549 return ret; | |
| 550 JNI_END | |
| 551 | |
| 4006 | 552 #ifndef USDT2 |
| 0 | 553 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 554 #else /* USDT2 */ |
| 555 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 556 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 557 #endif /* USDT2 */ | |
| 0 | 558 |
| 559 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 560 JNIWrapper("FromReflectedField"); | |
| 4006 | 561 #ifndef USDT2 |
| 0 | 562 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 563 #else /* USDT2 */ |
| 564 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 565 env, field); | |
| 566 #endif /* USDT2 */ | |
| 0 | 567 jfieldID ret = NULL; |
| 568 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 569 | |
| 570 // field is a handle to a java.lang.reflect.Field object | |
| 571 oop reflected = JNIHandles::resolve_non_null(field); | |
| 572 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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573 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 574 int slot = java_lang_reflect_Field::slot(reflected); |
| 575 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 576 | |
| 577 KlassHandle k1(THREAD, k); | |
| 578 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 579 k1()->initialize(CHECK_NULL); |
| 0 | 580 |
| 581 // First check if this is a static field | |
| 582 if (modifiers & JVM_ACC_STATIC) { | |
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583 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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584 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 585 assert(id != NULL, "corrupt Field object"); |
| 586 debug_only(id->set_is_static_field_id();) | |
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587 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 588 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 589 return ret; | |
| 590 } | |
| 591 | |
| 592 // The slot is the index of the field description in the field-array | |
| 593 // The jfieldID is the offset of the field within the object | |
| 594 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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595 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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596 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 597 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 598 return ret; | |
| 599 JNI_END | |
| 600 | |
| 4006 | 601 #ifndef USDT2 |
| 0 | 602 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 603 #else /* USDT2 */ |
| 604 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 605 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 606 #endif /* USDT2 */ | |
| 0 | 607 |
| 608 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 609 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 610 #ifndef USDT2 |
| 0 | 611 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 612 #else /* USDT2 */ |
| 613 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 614 env, cls, (uintptr_t) method_id, isStatic); | |
| 615 #endif /* USDT2 */ | |
| 0 | 616 jobject ret = NULL; |
| 617 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 618 | |
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619 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 620 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 621 oop reflection_method; | |
| 622 if (m->is_initializer()) { | |
| 623 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 624 } else { | |
| 625 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 626 } | |
| 627 ret = JNIHandles::make_local(env, reflection_method); | |
| 628 return ret; | |
| 629 JNI_END | |
| 630 | |
| 4006 | 631 #ifndef USDT2 |
| 0 | 632 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 633 #else /* USDT2 */ |
| 634 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 635 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 636 #endif /* USDT2 */ | |
| 0 | 637 |
| 638 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 639 JNIWrapper("GetSuperclass"); | |
| 4006 | 640 #ifndef USDT2 |
| 0 | 641 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 642 #else /* USDT2 */ |
| 643 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 644 env, sub); | |
| 645 #endif /* USDT2 */ | |
| 0 | 646 jclass obj = NULL; |
| 647 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 648 | |
| 649 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 650 // primitive classes return NULL | |
| 651 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 652 | |
| 653 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 654 // arrays return Object | |
| 655 // interfaces return NULL | |
| 656 // proper classes return Klass::super() | |
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657 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 658 if (k->is_interface()) return NULL; |
| 0 | 659 |
| 660 // return mirror for superclass | |
| 6983 | 661 Klass* super = k->java_super(); |
| 0 | 662 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 663 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 664 ? SystemDictionary::Object_klass() |
| 6983 | 665 : k->super() ) ); |
| 0 | 666 assert(super == super2, |
| 667 "java_super computation depends on interface, array, other super"); | |
| 6983 | 668 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 669 return obj; |
| 670 JNI_END | |
| 671 | |
| 672 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 673 JNIWrapper("IsSubclassOf"); | |
| 4006 | 674 #ifndef USDT2 |
| 0 | 675 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 676 #else /* USDT2 */ |
| 677 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 678 env, sub, super); | |
| 679 #endif /* USDT2 */ | |
| 0 | 680 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 681 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 682 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 683 java_lang_Class::is_primitive(super_mirror)) { | |
| 684 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 685 #ifndef USDT2 |
| 0 | 686 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 687 #else /* USDT2 */ |
| 688 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 689 ret); | |
| 690 #endif /* USDT2 */ | |
| 0 | 691 return ret; |
| 692 } | |
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693 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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694 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 695 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 696 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 697 JNI_TRUE : JNI_FALSE; |
| 4006 | 698 #ifndef USDT2 |
| 0 | 699 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 700 #else /* USDT2 */ |
| 701 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 702 ret); | |
| 703 #endif /* USDT2 */ | |
| 0 | 704 return ret; |
| 705 JNI_END | |
| 706 | |
| 4006 | 707 #ifndef USDT2 |
| 0 | 708 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 709 #else /* USDT2 */ |
| 710 DT_RETURN_MARK_DECL(Throw, jint | |
| 711 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 712 #endif /* USDT2 */ | |
| 0 | 713 |
| 714 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 715 JNIWrapper("Throw"); | |
| 4006 | 716 #ifndef USDT2 |
| 0 | 717 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 718 #else /* USDT2 */ |
| 719 HOTSPOT_JNI_THROW_ENTRY( | |
| 720 env, obj); | |
| 721 #endif /* USDT2 */ | |
| 0 | 722 jint ret = JNI_OK; |
| 723 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 724 | |
| 725 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 726 ShouldNotReachHere(); | |
| 727 JNI_END | |
| 728 | |
| 4006 | 729 #ifndef USDT2 |
| 0 | 730 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 731 #else /* USDT2 */ |
| 732 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 733 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 734 #endif /* USDT2 */ | |
| 0 | 735 |
| 736 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 737 JNIWrapper("ThrowNew"); | |
| 4006 | 738 #ifndef USDT2 |
| 0 | 739 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 740 #else /* USDT2 */ |
| 741 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 742 env, clazz, (char *) message); | |
| 743 #endif /* USDT2 */ | |
| 0 | 744 jint ret = JNI_OK; |
| 745 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 746 | |
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747 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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748 Symbol* name = k->name(); |
| 0 | 749 Handle class_loader (THREAD, k->class_loader()); |
| 750 Handle protection_domain (THREAD, k->protection_domain()); | |
| 751 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 752 ShouldNotReachHere(); | |
| 753 JNI_END | |
| 754 | |
| 755 | |
| 756 // JNI functions only transform a pending async exception to a synchronous | |
| 757 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 758 // delivering an async exception in other places won't change the native | |
| 759 // code's control flow and would be harmful when native code further calls | |
| 760 // JNI functions with a pending exception. Async exception is also checked | |
| 761 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 762 // false but deliver the async exception at the very end during | |
| 763 // state transition. | |
| 764 | |
| 765 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 766 assert(thread == Thread::current(), "must be itself"); | |
| 767 thread->check_and_handle_async_exceptions(); | |
| 768 } | |
| 769 | |
| 770 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 771 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 772 #ifndef USDT2 |
| 0 | 773 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 774 #else /* USDT2 */ |
| 775 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 776 env); | |
| 777 #endif /* USDT2 */ | |
| 0 | 778 jni_check_async_exceptions(thread); |
| 779 oop exception = thread->pending_exception(); | |
| 780 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 781 #ifndef USDT2 |
| 0 | 782 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 783 #else /* USDT2 */ |
| 784 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 785 ret); | |
| 786 #endif /* USDT2 */ | |
| 0 | 787 return ret; |
| 788 JNI_END | |
| 789 | |
| 790 | |
| 791 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 792 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 793 #ifndef USDT2 |
| 0 | 794 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 795 #else /* USDT2 */ |
| 796 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 797 env); | |
| 798 #endif /* USDT2 */ | |
| 0 | 799 if (thread->has_pending_exception()) { |
| 800 Handle ex(thread, thread->pending_exception()); | |
| 801 thread->clear_pending_exception(); | |
| 1142 | 802 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 803 // Don't print anything if we are being killed. |
| 804 } else { | |
| 805 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 806 if (thread != NULL && thread->threadObj() != NULL) { | |
| 807 ResourceMark rm(THREAD); | |
| 808 jio_fprintf(defaultStream::error_stream(), | |
| 809 "in thread \"%s\" ", thread->get_thread_name()); | |
| 810 } | |
| 1142 | 811 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 812 JavaValue result(T_VOID); |
| 813 JavaCalls::call_virtual(&result, | |
| 814 ex, | |
| 815 KlassHandle(THREAD, | |
| 1142 | 816 SystemDictionary::Throwable_klass()), |
|
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817 vmSymbols::printStackTrace_name(), |
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818 vmSymbols::void_method_signature(), |
| 0 | 819 THREAD); |
| 820 // If an exception is thrown in the call it gets thrown away. Not much | |
| 821 // we can do with it. The native code that calls this, does not check | |
| 822 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 823 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 824 // is expected. | |
| 825 CLEAR_PENDING_EXCEPTION; | |
| 826 } else { | |
| 827 ResourceMark rm(THREAD); | |
| 828 jio_fprintf(defaultStream::error_stream(), | |
| 829 ". Uncaught exception of type %s.", | |
| 6983 | 830 ex->klass()->external_name()); |
| 0 | 831 } |
| 832 } | |
| 833 } | |
| 4006 | 834 #ifndef USDT2 |
| 0 | 835 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 836 #else /* USDT2 */ |
| 837 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 838 ); | |
| 839 #endif /* USDT2 */ | |
| 0 | 840 JNI_END |
| 841 | |
| 842 | |
| 843 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 844 JNIWrapper("ExceptionClear"); | |
| 4006 | 845 #ifndef USDT2 |
| 0 | 846 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 847 #else /* USDT2 */ |
| 848 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 849 env); | |
| 850 #endif /* USDT2 */ | |
| 0 | 851 |
| 852 // The jni code might be using this API to clear java thrown exception. | |
| 853 // So just mark jvmti thread exception state as exception caught. | |
| 854 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 855 if (state != NULL && state->is_exception_detected()) { | |
| 856 state->set_exception_caught(); | |
| 857 } | |
| 858 thread->clear_pending_exception(); | |
| 4006 | 859 #ifndef USDT2 |
| 0 | 860 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 861 #else /* USDT2 */ |
| 862 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 863 ); | |
| 864 #endif /* USDT2 */ | |
| 0 | 865 JNI_END |
| 866 | |
| 867 | |
| 868 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 869 JNIWrapper("FatalError"); | |
| 4006 | 870 #ifndef USDT2 |
| 0 | 871 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 872 #else /* USDT2 */ |
| 873 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 874 env, (char *) msg); | |
| 875 #endif /* USDT2 */ | |
| 0 | 876 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 877 thread->print_stack(); | |
|
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878 os::abort(); // Dump core and abort |
| 0 | 879 JNI_END |
| 880 | |
| 881 | |
| 882 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 883 JNIWrapper("PushLocalFrame"); | |
| 4006 | 884 #ifndef USDT2 |
| 0 | 885 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 886 #else /* USDT2 */ |
| 887 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 888 env, capacity); | |
| 889 #endif /* USDT2 */ | |
| 0 | 890 //%note jni_11 |
| 891 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 4006 | 892 #ifndef USDT2 |
| 0 | 893 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 894 #else /* USDT2 */ |
| 895 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 896 (uint32_t)JNI_ERR); | |
| 897 #endif /* USDT2 */ | |
| 0 | 898 return JNI_ERR; |
| 899 } | |
| 900 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 901 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 902 assert(new_handles != NULL, "should not be NULL"); | |
| 903 new_handles->set_pop_frame_link(old_handles); | |
| 904 thread->set_active_handles(new_handles); | |
| 905 jint ret = JNI_OK; | |
| 4006 | 906 #ifndef USDT2 |
| 0 | 907 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 908 #else /* USDT2 */ |
| 909 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 910 ret); | |
| 911 #endif /* USDT2 */ | |
| 0 | 912 return ret; |
| 913 JNI_END | |
| 914 | |
| 915 | |
| 916 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 917 JNIWrapper("PopLocalFrame"); | |
| 4006 | 918 #ifndef USDT2 |
| 0 | 919 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 920 #else /* USDT2 */ |
| 921 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 922 env, result); | |
| 923 #endif /* USDT2 */ | |
| 0 | 924 //%note jni_11 |
| 925 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 926 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 927 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 928 if (new_handles != NULL) { | |
| 929 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 930 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 931 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 932 // the release_block call will release the blocks. | |
| 933 thread->set_active_handles(new_handles); | |
| 934 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 935 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 936 result = JNIHandles::make_local(thread, result_handle()); | |
| 937 } | |
| 4006 | 938 #ifndef USDT2 |
| 0 | 939 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 940 #else /* USDT2 */ |
| 941 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 942 result); | |
| 943 #endif /* USDT2 */ | |
| 0 | 944 return result; |
| 945 JNI_END | |
| 946 | |
| 947 | |
| 948 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 949 JNIWrapper("NewGlobalRef"); | |
| 4006 | 950 #ifndef USDT2 |
| 0 | 951 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 952 #else /* USDT2 */ |
| 953 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 954 env, ref); | |
| 955 #endif /* USDT2 */ | |
| 0 | 956 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 957 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 958 #ifndef USDT2 |
| 0 | 959 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 960 #else /* USDT2 */ |
| 961 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 962 ret); | |
| 963 #endif /* USDT2 */ | |
| 0 | 964 return ret; |
| 965 JNI_END | |
| 966 | |
| 967 // Must be JNI_ENTRY (with HandleMark) | |
| 968 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 969 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 970 #ifndef USDT2 |
| 0 | 971 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 972 #else /* USDT2 */ |
| 973 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 974 env, ref); | |
| 975 #endif /* USDT2 */ | |
| 0 | 976 JNIHandles::destroy_global(ref); |
| 4006 | 977 #ifndef USDT2 |
| 0 | 978 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 979 #else /* USDT2 */ |
| 980 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 981 ); | |
| 982 #endif /* USDT2 */ | |
| 0 | 983 JNI_END |
| 984 | |
| 985 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 986 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 987 #ifndef USDT2 |
| 0 | 988 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 989 #else /* USDT2 */ |
| 990 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 991 env, obj); | |
| 992 #endif /* USDT2 */ | |
| 0 | 993 JNIHandles::destroy_local(obj); |
| 4006 | 994 #ifndef USDT2 |
| 0 | 995 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 996 #else /* USDT2 */ |
| 997 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 998 ); | |
| 999 #endif /* USDT2 */ | |
| 0 | 1000 JNI_END |
| 1001 | |
| 1002 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 1003 JNIWrapper("IsSameObject"); | |
| 4006 | 1004 #ifndef USDT2 |
| 0 | 1005 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 1006 #else /* USDT2 */ |
| 1007 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 1008 env, r1, r2); | |
| 1009 #endif /* USDT2 */ | |
| 0 | 1010 oop a = JNIHandles::resolve(r1); |
| 1011 oop b = JNIHandles::resolve(r2); | |
| 1012 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1013 #ifndef USDT2 |
| 0 | 1014 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1015 #else /* USDT2 */ |
| 1016 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1017 ret); | |
| 1018 #endif /* USDT2 */ | |
| 0 | 1019 return ret; |
| 1020 JNI_END | |
| 1021 | |
| 1022 | |
| 1023 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1024 JNIWrapper("NewLocalRef"); | |
| 4006 | 1025 #ifndef USDT2 |
| 0 | 1026 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1027 #else /* USDT2 */ |
| 1028 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1029 env, ref); | |
| 1030 #endif /* USDT2 */ | |
| 0 | 1031 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1032 #ifndef USDT2 |
| 0 | 1033 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1034 #else /* USDT2 */ |
| 1035 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1036 ret); | |
| 1037 #endif /* USDT2 */ | |
| 0 | 1038 return ret; |
| 1039 JNI_END | |
| 1040 | |
| 1041 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1042 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1043 #ifndef USDT2 |
| 0 | 1044 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1045 #else /* USDT2 */ |
| 1046 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1047 env, capacity); | |
| 1048 #endif /* USDT2 */ | |
| 0 | 1049 jint ret; |
| 1050 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1051 ret = JNI_OK; | |
| 1052 } else { | |
| 1053 ret = JNI_ERR; | |
| 1054 } | |
| 4006 | 1055 #ifndef USDT2 |
| 0 | 1056 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1057 #else /* USDT2 */ |
| 1058 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1059 ret); | |
| 1060 #endif /* USDT2 */ | |
| 0 | 1061 return ret; |
| 1062 JNI_END | |
| 1063 | |
| 1064 // Return the Handle Type | |
| 1065 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1066 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1067 #ifndef USDT2 |
| 0 | 1068 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1069 #else /* USDT2 */ |
| 1070 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1071 env, obj); | |
| 1072 #endif /* USDT2 */ | |
| 0 | 1073 jobjectRefType ret; |
| 1074 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1075 JNIHandles::is_frame_handle(thread, obj)) | |
| 1076 ret = JNILocalRefType; | |
| 1077 else if (JNIHandles::is_global_handle(obj)) | |
| 1078 ret = JNIGlobalRefType; | |
| 1079 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1080 ret = JNIWeakGlobalRefType; | |
| 1081 else | |
| 1082 ret = JNIInvalidRefType; | |
| 4006 | 1083 #ifndef USDT2 |
| 0 | 1084 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1085 #else /* USDT2 */ |
| 1086 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1087 (void *) ret); | |
| 1088 #endif /* USDT2 */ | |
| 0 | 1089 return ret; |
| 1090 JNI_END | |
| 1091 | |
| 1092 | |
| 1093 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1094 protected: | |
| 1095 JavaCallArguments* _arguments; | |
| 1096 | |
| 1097 virtual void get_bool () = 0; | |
| 1098 virtual void get_char () = 0; | |
| 1099 virtual void get_short () = 0; | |
| 1100 virtual void get_byte () = 0; | |
| 1101 virtual void get_int () = 0; | |
| 1102 virtual void get_long () = 0; | |
| 1103 virtual void get_float () = 0; | |
| 1104 virtual void get_double () = 0; | |
| 1105 virtual void get_object () = 0; | |
| 1106 | |
|
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1107 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1108 this->_return_type = T_ILLEGAL; |
| 1109 _arguments = NULL; | |
| 1110 } | |
| 1111 | |
| 1112 public: | |
| 1113 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1114 | |
| 1115 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1116 | |
| 1117 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1118 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1119 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1120 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1121 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1122 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1123 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1124 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1125 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1126 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1127 inline void do_void() { } | |
| 1128 | |
| 1129 JavaCallArguments* arguments() { return _arguments; } | |
| 1130 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1131 }; | |
| 1132 | |
| 1133 | |
| 1134 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1135 protected: | |
| 1136 va_list _ap; | |
| 1137 | |
| 1138 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1139 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1140 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1141 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1142 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1143 | |
| 1144 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1145 | |
| 1146 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1147 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1148 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1149 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1150 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1151 | |
| 1152 inline void set_ap(va_list rap) { | |
| 1153 #ifdef va_copy | |
| 1154 va_copy(_ap, rap); | |
| 1155 #elif defined (__va_copy) | |
| 1156 __va_copy(_ap, rap); | |
| 1157 #else | |
| 1158 _ap = rap; | |
| 1159 #endif | |
| 1160 } | |
| 1161 | |
| 1162 public: | |
|
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1163 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1164 : JNI_ArgumentPusher(signature) { |
| 0 | 1165 set_ap(rap); |
| 1166 } | |
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1167 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1168 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1169 set_ap(rap); |
| 1170 } | |
| 1171 | |
| 1172 // Optimized path if we have the bitvector form of signature | |
| 1173 void iterate( uint64_t fingerprint ) { | |
| 1174 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1175 else { | |
| 1176 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1177 result_feature_mask); | |
| 1178 | |
| 1179 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1180 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1181 while ( 1 ) { | |
| 1182 switch ( fingerprint & parameter_feature_mask ) { | |
| 1183 case bool_parm: | |
| 1184 case char_parm: | |
| 1185 case short_parm: | |
| 1186 case byte_parm: | |
| 1187 case int_parm: | |
| 1188 get_int(); | |
| 1189 break; | |
| 1190 case obj_parm: | |
| 1191 get_object(); | |
| 1192 break; | |
| 1193 case long_parm: | |
| 1194 get_long(); | |
| 1195 break; | |
| 1196 case float_parm: | |
| 1197 get_float(); | |
| 1198 break; | |
| 1199 case double_parm: | |
| 1200 get_double(); | |
| 1201 break; | |
| 1202 case done_parm: | |
| 1203 return; | |
| 1204 break; | |
| 1205 default: | |
| 1206 ShouldNotReachHere(); | |
| 1207 break; | |
| 1208 } | |
| 1209 fingerprint >>= parameter_feature_size; | |
| 1210 } | |
| 1211 } | |
| 1212 } | |
| 1213 }; | |
| 1214 | |
| 1215 | |
| 1216 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1217 protected: | |
| 1218 const jvalue *_ap; | |
| 1219 | |
| 1220 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1221 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1222 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1223 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1224 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1225 | |
| 1226 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1227 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1228 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1229 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1230 | |
| 1231 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1232 | |
| 1233 public: | |
|
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1234 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1235 : JNI_ArgumentPusher(signature) { |
| 0 | 1236 set_ap(rap); |
| 1237 } | |
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1238 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1239 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1240 set_ap(rap); |
| 1241 } | |
| 1242 | |
| 1243 // Optimized path if we have the bitvector form of signature | |
| 1244 void iterate( uint64_t fingerprint ) { | |
| 1245 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1246 else { | |
| 1247 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1248 result_feature_mask); | |
| 1249 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1250 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1251 while ( 1 ) { | |
| 1252 switch ( fingerprint & parameter_feature_mask ) { | |
| 1253 case bool_parm: | |
| 1254 get_bool(); | |
| 1255 break; | |
| 1256 case char_parm: | |
| 1257 get_char(); | |
| 1258 break; | |
| 1259 case short_parm: | |
| 1260 get_short(); | |
| 1261 break; | |
| 1262 case byte_parm: | |
| 1263 get_byte(); | |
| 1264 break; | |
| 1265 case int_parm: | |
| 1266 get_int(); | |
| 1267 break; | |
| 1268 case obj_parm: | |
| 1269 get_object(); | |
| 1270 break; | |
| 1271 case long_parm: | |
| 1272 get_long(); | |
| 1273 break; | |
| 1274 case float_parm: | |
| 1275 get_float(); | |
| 1276 break; | |
| 1277 case double_parm: | |
| 1278 get_double(); | |
| 1279 break; | |
| 1280 case done_parm: | |
| 1281 return; | |
| 1282 break; | |
| 1283 default: | |
| 1284 ShouldNotReachHere(); | |
| 1285 break; | |
| 1286 } | |
| 1287 fingerprint >>= parameter_feature_size; | |
| 1288 } | |
| 1289 } | |
| 1290 } | |
| 1291 }; | |
| 1292 | |
| 1293 | |
| 1294 enum JNICallType { | |
| 1295 JNI_STATIC, | |
| 1296 JNI_VIRTUAL, | |
| 1297 JNI_NONVIRTUAL | |
| 1298 }; | |
| 1299 | |
| 1300 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
| 1301 assert(!method.is_null() , "method should not be null"); | |
| 1302 | |
| 1303 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1304 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1305 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1306 Symbol* name = method->name(); |
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1307 Symbol* signature = method->signature(); |
| 0 | 1308 CallInfo info; |
| 1309 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1310 return info.selected_method(); | |
| 1311 } | |
| 1312 | |
| 1313 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
| 1314 assert(!method.is_null() , "method should not be null"); | |
| 1315 | |
| 1316 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1317 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1318 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1319 Symbol* name = method->name(); |
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1320 Symbol* signature = method->signature(); |
| 0 | 1321 CallInfo info; |
| 1322 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1323 return info.selected_method(); | |
| 1324 } | |
| 1325 | |
| 1326 | |
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1327 static bool first_time_InvokeMain = true; |
| 0 | 1328 |
| 1329 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
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1330 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1331 |
| 1332 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1333 // the jni parser | |
| 1334 ResourceMark rm(THREAD); | |
| 1335 int number_of_parameters = method->size_of_parameters(); | |
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1336 |
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1337 // Invoke the method. Result is returned as oop. |
| 0 | 1338 JavaCallArguments java_args(number_of_parameters); |
| 1339 args->set_java_argument_object(&java_args); | |
| 1340 | |
| 1341 assert(method->is_static(), "method should be static"); | |
| 1342 | |
| 1343 // Fill out JavaCallArguments object | |
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1344 args->iterate( Fingerprinter(method).fingerprint() ); |
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1345 // Initialize result type (must be done after args->iterate()) |
| 0 | 1346 result->set_type(args->get_ret_type()); |
| 1347 | |
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1348 #ifdef HIGH_LEVEL_INTERPRETER |
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1349 // TODO (chaeubl): this is quite a hack. The launcher should take care about that instead. |
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1350 bool invoked_main_method = false; |
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1351 if (HighLevelInterpreterClass != NULL && first_time_InvokeMain && method->name() == vmSymbols::main_name() && method->result_type() == T_VOID) { |
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1352 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
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1353 JavaThread* thread = (JavaThread*)THREAD; |
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1354 first_time_InvokeMain = false; |
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1355 invoked_main_method = true; |
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1356 thread->set_high_level_interpreter_in_vm(true); |
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1357 } |
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1358 #endif |
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1359 |
| 0 | 1360 JavaCalls::call(result, method, &java_args, CHECK); |
| 1361 | |
| 1362 // Convert result | |
| 1363 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1364 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1365 } | |
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1366 |
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1367 #ifdef HIGH_LEVEL_INTERPRETER |
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1368 if (invoked_main_method) { |
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1369 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
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1370 JavaThread* thread = (JavaThread*)THREAD; |
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1371 thread->set_high_level_interpreter_in_vm(false); |
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1372 } |
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1373 #endif |
| 0 | 1374 } |
| 1375 | |
| 1376 | |
| 1377 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1378 oop recv = JNIHandles::resolve(receiver); | |
| 1379 if (recv == NULL) { | |
| 1380 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1381 } | |
| 1382 Handle h_recv(THREAD, recv); | |
| 1383 | |
| 1384 int number_of_parameters; | |
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1385 Method* selected_method; |
| 0 | 1386 { |
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1387 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1388 number_of_parameters = m->size_of_parameters(); |
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1389 Klass* holder = m->method_holder(); |
| 6983 | 1390 if (!(holder)->is_interface()) { |
| 0 | 1391 // non-interface call -- for that little speed boost, don't handlize |
| 1392 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1393 if (call_type == JNI_VIRTUAL) { | |
| 1394 // jni_GetMethodID makes sure class is linked and initialized | |
| 1395 // so m should have a valid vtable index. | |
| 1396 int vtbl_index = m->vtable_index(); | |
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1397 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1398 Klass* k = h_recv->klass(); |
| 0 | 1399 // k might be an arrayKlassOop but all vtables start at |
| 1400 // the same place. The cast is to avoid virtual call and assertion. | |
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1401 InstanceKlass *ik = (InstanceKlass*)k; |
| 0 | 1402 selected_method = ik->method_at_vtable(vtbl_index); |
| 1403 } else { | |
| 1404 // final method | |
| 1405 selected_method = m; | |
| 1406 } | |
| 1407 } else { | |
| 1408 // JNI_NONVIRTUAL call | |
| 1409 selected_method = m; | |
| 1410 } | |
| 1411 } else { | |
| 1412 // interface call | |
| 1413 KlassHandle h_holder(THREAD, holder); | |
| 1414 | |
| 1415 int itbl_index = m->cached_itable_index(); | |
| 1416 if (itbl_index == -1) { | |
| 1417 itbl_index = klassItable::compute_itable_index(m); | |
| 1418 m->set_cached_itable_index(itbl_index); | |
| 1419 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
| 1420 } | |
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1421 Klass* k = h_recv->klass(); |
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1422 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1423 } |
| 1424 } | |
| 1425 | |
| 1426 methodHandle method(THREAD, selected_method); | |
| 1427 | |
| 1428 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1429 // the jni parser | |
| 1430 ResourceMark rm(THREAD); | |
| 1431 JavaCallArguments java_args(number_of_parameters); | |
| 1432 args->set_java_argument_object(&java_args); | |
| 1433 | |
| 1434 // handle arguments | |
| 1435 assert(!method->is_static(), "method should not be static"); | |
| 1436 args->push_receiver(h_recv); // Push jobject handle | |
| 1437 | |
| 1438 // Fill out JavaCallArguments object | |
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1439 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1440 // Initialize result type |
| 1441 result->set_type(args->get_ret_type()); | |
| 1442 | |
| 1443 // Invoke the method. Result is returned as oop. | |
| 1444 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1445 | |
| 1446 // Convert result | |
| 1447 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1448 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1449 } | |
| 1450 } | |
| 1451 | |
| 1452 | |
| 1453 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1454 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1455 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1456 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1457 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1458 return ih; |
| 1459 } | |
| 1460 | |
| 4006 | 1461 #ifndef USDT2 |
| 0 | 1462 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1463 #else /* USDT2 */ |
| 1464 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1465 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1466 #endif /* USDT2 */ | |
| 0 | 1467 |
| 1468 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1469 JNIWrapper("AllocObject"); | |
| 1470 | |
| 4006 | 1471 #ifndef USDT2 |
| 0 | 1472 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1473 #else /* USDT2 */ |
| 1474 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1475 env, clazz); | |
| 1476 #endif /* USDT2 */ | |
| 0 | 1477 jobject ret = NULL; |
| 1478 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1479 | |
| 1480 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1481 ret = JNIHandles::make_local(env, i); | |
| 1482 return ret; | |
| 1483 JNI_END | |
| 1484 | |
| 4006 | 1485 #ifndef USDT2 |
| 0 | 1486 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1487 #else /* USDT2 */ |
| 1488 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1489 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1490 #endif /* USDT2 */ | |
| 0 | 1491 |
| 1492 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1493 JNIWrapper("NewObjectA"); | |
| 4006 | 1494 #ifndef USDT2 |
| 0 | 1495 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1496 #else /* USDT2 */ |
| 1497 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1498 env, clazz, (uintptr_t) methodID); | |
| 1499 #endif /* USDT2 */ | |
| 0 | 1500 jobject obj = NULL; |
| 1501 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1502 | |
| 1503 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1504 obj = JNIHandles::make_local(env, i); | |
| 1505 JavaValue jvalue(T_VOID); | |
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1506 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1507 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1508 return obj; | |
| 1509 JNI_END | |
| 1510 | |
| 4006 | 1511 #ifndef USDT2 |
| 0 | 1512 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1513 #else /* USDT2 */ |
| 1514 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1515 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1516 #endif /* USDT2 */ | |
| 0 | 1517 |
| 1518 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1519 JNIWrapper("NewObjectV"); | |
| 4006 | 1520 #ifndef USDT2 |
| 0 | 1521 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1522 #else /* USDT2 */ |
| 1523 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1524 env, clazz, (uintptr_t) methodID); | |
| 1525 #endif /* USDT2 */ | |
| 0 | 1526 jobject obj = NULL; |
| 1527 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1528 | |
| 1529 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1530 obj = JNIHandles::make_local(env, i); | |
| 1531 JavaValue jvalue(T_VOID); | |
|
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1532 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1533 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1534 return obj; | |
| 1535 JNI_END | |
| 1536 | |
| 4006 | 1537 #ifndef USDT2 |
| 0 | 1538 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1539 #else /* USDT2 */ |
| 1540 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1541 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1542 #endif /* USDT2 */ | |
| 0 | 1543 |
| 1544 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1545 JNIWrapper("NewObject"); | |
| 4006 | 1546 #ifndef USDT2 |
| 0 | 1547 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1548 #else /* USDT2 */ |
| 1549 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1550 env, clazz, (uintptr_t) methodID); | |
| 1551 #endif /* USDT2 */ | |
| 0 | 1552 jobject obj = NULL; |
| 1553 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1554 | |
| 1555 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1556 obj = JNIHandles::make_local(env, i); | |
| 1557 va_list args; | |
| 1558 va_start(args, methodID); | |
| 1559 JavaValue jvalue(T_VOID); | |
|
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1560 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1561 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1562 va_end(args); | |
| 1563 return obj; | |
| 1564 JNI_END | |
| 1565 | |
| 1566 | |
| 1567 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1568 JNIWrapper("GetObjectClass"); | |
| 4006 | 1569 #ifndef USDT2 |
| 0 | 1570 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1571 #else /* USDT2 */ |
| 1572 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1573 env, obj); | |
| 1574 #endif /* USDT2 */ | |
|
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1575 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1576 jclass ret = |
| 6983 | 1577 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1578 #ifndef USDT2 |
| 0 | 1579 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1580 #else /* USDT2 */ |
| 1581 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1582 ret); | |
| 1583 #endif /* USDT2 */ | |
| 0 | 1584 return ret; |
| 1585 JNI_END | |
| 1586 | |
| 1587 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1588 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1589 #ifndef USDT2 |
| 0 | 1590 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1591 #else /* USDT2 */ |
| 1592 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1593 env, obj, clazz); | |
| 1594 #endif /* USDT2 */ | |
| 0 | 1595 jboolean ret = JNI_TRUE; |
| 1596 if (obj != NULL) { | |
| 1597 ret = JNI_FALSE; | |
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1598 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1599 JNIHandles::resolve_non_null(clazz)); |
| 1600 if (k != NULL) { | |
| 1601 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1602 } | |
| 1603 } | |
| 4006 | 1604 #ifndef USDT2 |
| 0 | 1605 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1606 #else /* USDT2 */ |
| 1607 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1608 ret); | |
| 1609 #endif /* USDT2 */ | |
| 0 | 1610 return ret; |
| 1611 JNI_END | |
| 1612 | |
| 1613 | |
| 1614 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1615 const char *sig, bool is_static, TRAPS) { | |
| 1616 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1617 // | |
| 1618 // The class should have been loaded (we have an instance of the class | |
| 1619 // passed in) so the method and signature should already be in the symbol | |
| 1620 // table. If they're not there, the method doesn't exist. | |
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1621 const char *name_to_probe = (name_str == NULL) |
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1622 ? vmSymbols::object_initializer_name()->as_C_string() |
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1623 : name_str; |
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1624 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1625 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1626 |
|
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1627 if (name == NULL || signature == NULL) { |
| 0 | 1628 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1629 } | |
| 1630 | |
| 1631 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1632 // primitive java.lang.Class | |
| 1633 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1634 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1635 } | |
| 1636 | |
| 1637 KlassHandle klass(THREAD, | |
|
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1638 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1639 |
| 1640 // Make sure class is linked and initialized before handing id's out to | |
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1641 // Method*s. |
| 6983 | 1642 klass()->initialize(CHECK_NULL); |
| 0 | 1643 |
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1644 Method* m; |
|
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1645 if (name == vmSymbols::object_initializer_name() || |
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1646 name == vmSymbols::class_initializer_name()) { |
| 0 | 1647 // Never search superclasses for constructors |
| 1648 if (klass->oop_is_instance()) { | |
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1649 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1650 } else { |
| 1651 m = NULL; | |
| 1652 } | |
| 1653 } else { | |
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1654 m = klass->lookup_method(name, signature); |
| 0 | 1655 // Look up interfaces |
| 1656 if (m == NULL && klass->oop_is_instance()) { | |
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1657 m = InstanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1658 signature); |
| 0 | 1659 } |
| 1660 } | |
| 1661 if (m == NULL || (m->is_static() != is_static)) { | |
| 1662 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1663 } | |
| 1664 return m->jmethod_id(); | |
| 1665 } | |
| 1666 | |
| 1667 | |
| 1668 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1669 const char *name, const char *sig)) | |
| 1670 JNIWrapper("GetMethodID"); | |
| 4006 | 1671 #ifndef USDT2 |
| 0 | 1672 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1673 #else /* USDT2 */ |
| 1674 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1675 env, clazz, (char *) name, (char *) sig); | |
| 1676 #endif /* USDT2 */ | |
| 0 | 1677 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1678 #ifndef USDT2 |
| 0 | 1679 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1680 #else /* USDT2 */ |
| 1681 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1682 (uintptr_t) ret); | |
| 1683 #endif /* USDT2 */ | |
| 0 | 1684 return ret; |
| 1685 JNI_END | |
| 1686 | |
| 1687 | |
| 1688 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1689 const char *name, const char *sig)) | |
| 1690 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1691 #ifndef USDT2 |
| 0 | 1692 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1693 #else /* USDT2 */ |
| 1694 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1695 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1696 #endif /* USDT2 */ | |
| 0 | 1697 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1698 #ifndef USDT2 |
| 0 | 1699 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1700 #else /* USDT2 */ |
| 1701 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1702 (uintptr_t) ret); | |
| 1703 #endif /* USDT2 */ | |
| 0 | 1704 return ret; |
| 1705 JNI_END | |
| 1706 | |
| 1707 | |
| 1708 | |
| 1709 // | |
| 1710 // Calling Methods | |
| 1711 // | |
| 1712 | |
| 4006 | 1713 #ifndef USDT2 |
| 0 | 1714 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1715 \ | |
| 1716 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1717 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1718 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1719 \ | |
| 1720 JNI_ENTRY(ResultType, \ | |
| 1721 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1722 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1723 \ | |
| 4006 | 1724 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1725 ResultType ret = 0;\ |
| 1726 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1727 (const ResultType&)ret);\ | |
| 1728 \ | |
| 1729 va_list args; \ | |
| 1730 va_start(args, methodID); \ | |
| 1731 JavaValue jvalue(Tag); \ | |
|
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1732 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1733 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1734 va_end(args); \ | |
| 1735 ret = jvalue.get_##ResultType(); \ | |
| 1736 return ret;\ | |
| 1737 JNI_END \ | |
| 1738 \ | |
| 1739 \ | |
| 1740 JNI_ENTRY(ResultType, \ | |
| 1741 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1742 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1743 \ | |
| 4006 | 1744 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1745 ResultType ret = 0;\ |
| 1746 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1747 (const ResultType&)ret);\ | |
| 1748 \ | |
| 1749 JavaValue jvalue(Tag); \ | |
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1750 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1751 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1752 ret = jvalue.get_##ResultType(); \ | |
| 1753 return ret;\ | |
| 1754 JNI_END \ | |
| 1755 \ | |
| 1756 \ | |
| 1757 JNI_ENTRY(ResultType, \ | |
| 1758 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1759 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1760 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1761 ResultType ret = 0;\ |
| 1762 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1763 (const ResultType&)ret);\ | |
| 1764 \ | |
| 1765 JavaValue jvalue(Tag); \ | |
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1766 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1767 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1768 ret = jvalue.get_##ResultType(); \ | |
| 1769 return ret;\ | |
| 1770 JNI_END | |
| 1771 | |
| 1772 // the runtime type of subword integral basic types is integer | |
| 1773 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1774 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1775 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1776 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1777 | |
| 1778 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1779 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1780 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1781 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1782 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1783 | |
| 1784 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1785 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1786 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1787 | |
| 4006 | 1788 #else /* USDT2 */ |
| 1789 | |
| 1790 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1791 , EntryProbe, ReturnProbe) \ | |
| 1792 \ | |
| 1793 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1794 , ReturnProbe); \ | |
| 1795 \ | |
| 1796 JNI_ENTRY(ResultType, \ | |
| 1797 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1798 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1799 \ | |
| 1800 EntryProbe; \ | |
| 1801 ResultType ret = 0;\ | |
| 1802 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1803 (const ResultType&)ret);\ | |
| 1804 \ | |
| 1805 va_list args; \ | |
| 1806 va_start(args, methodID); \ | |
| 1807 JavaValue jvalue(Tag); \ | |
| 1808 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1809 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1810 va_end(args); \ | |
| 1811 ret = jvalue.get_##ResultType(); \ | |
| 1812 return ret;\ | |
| 1813 JNI_END | |
| 1814 | |
| 1815 // the runtime type of subword integral basic types is integer | |
| 1816 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1817 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1818 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1819 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1820 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1821 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1822 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1823 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1824 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1825 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1826 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1827 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1828 | |
| 1829 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1830 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1831 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1832 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1833 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1834 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1835 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1836 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1837 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1838 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1839 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1840 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1841 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1842 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1843 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1844 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1845 | |
| 1846 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1847 , EntryProbe, ReturnProbe) \ | |
| 1848 \ | |
| 1849 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1850 , ReturnProbe); \ | |
| 1851 \ | |
| 1852 JNI_ENTRY(ResultType, \ | |
| 1853 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1854 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1855 \ | |
| 1856 EntryProbe;\ | |
| 1857 ResultType ret = 0;\ | |
| 1858 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1859 (const ResultType&)ret);\ | |
| 1860 \ | |
| 1861 JavaValue jvalue(Tag); \ | |
| 1862 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1863 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1864 ret = jvalue.get_##ResultType(); \ | |
| 1865 return ret;\ | |
| 1866 JNI_END | |
| 1867 | |
| 1868 // the runtime type of subword integral basic types is integer | |
| 1869 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1870 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1871 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1872 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1873 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1874 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1875 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1876 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1877 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1878 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1879 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1880 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1881 | |
| 1882 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1883 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1884 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1885 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1886 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1887 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1888 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1889 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1890 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1891 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1892 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1893 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1894 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1895 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1896 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1897 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1898 | |
| 1899 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1900 , EntryProbe, ReturnProbe) \ | |
| 1901 \ | |
| 1902 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1903 , ReturnProbe); \ | |
| 1904 \ | |
| 1905 JNI_ENTRY(ResultType, \ | |
| 1906 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1907 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1908 EntryProbe; \ | |
| 1909 ResultType ret = 0;\ | |
| 1910 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1911 (const ResultType&)ret);\ | |
| 1912 \ | |
| 1913 JavaValue jvalue(Tag); \ | |
| 1914 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1915 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1916 ret = jvalue.get_##ResultType(); \ | |
| 1917 return ret;\ | |
| 1918 JNI_END | |
| 1919 | |
| 1920 // the runtime type of subword integral basic types is integer | |
| 1921 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1922 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1923 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1924 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1925 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1926 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1927 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1928 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1929 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1930 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1931 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1932 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1933 | |
| 1934 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1935 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1936 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1937 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1938 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1939 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1940 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1941 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1942 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1943 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1944 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1945 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1946 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1947 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1948 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1949 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1950 | |
| 1951 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1952 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1953 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1954 | |
| 1955 #endif /* USDT2 */ | |
| 1956 | |
| 0 | 1957 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1958 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1959 #ifndef USDT2 |
| 0 | 1960 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1961 #else /* USDT2 */ |
| 1962 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1963 env, obj, (uintptr_t) methodID); | |
| 1964 #endif /* USDT2 */ | |
| 0 | 1965 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1966 | |
| 1967 va_list args; | |
| 1968 va_start(args, methodID); | |
| 1969 JavaValue jvalue(T_VOID); | |
|
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1970 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1971 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1972 va_end(args); | |
| 1973 JNI_END | |
| 1974 | |
| 1975 | |
| 1976 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1977 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1978 #ifndef USDT2 |
| 0 | 1979 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1980 #else /* USDT2 */ |
| 1981 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1982 env, obj, (uintptr_t) methodID); | |
| 1983 #endif /* USDT2 */ | |
| 0 | 1984 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1985 | |
| 1986 JavaValue jvalue(T_VOID); | |
|
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1987 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1988 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1989 JNI_END | |
| 1990 | |
| 1991 | |
| 1992 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1993 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1994 #ifndef USDT2 |
| 0 | 1995 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1996 #else /* USDT2 */ |
| 1997 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1998 env, obj, (uintptr_t) methodID); | |
| 1999 #endif /* USDT2 */ | |
| 0 | 2000 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 2001 | |
| 2002 JavaValue jvalue(T_VOID); | |
|
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2003 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2004 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 2005 JNI_END | |
| 2006 | |
| 2007 | |
| 4006 | 2008 #ifndef USDT2 |
| 0 | 2009 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 2010 \ | |
| 2011 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 2012 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 2013 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 2014 \ | |
| 2015 JNI_ENTRY(ResultType, \ | |
| 2016 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2017 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2018 \ | |
| 2019 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 2020 ResultType ret;\ | |
| 2021 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2022 (const ResultType&)ret);\ | |
| 2023 \ | |
| 2024 va_list args; \ | |
| 2025 va_start(args, methodID); \ | |
| 2026 JavaValue jvalue(Tag); \ | |
|
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2027 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2028 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2029 va_end(args); \ | |
| 2030 ret = jvalue.get_##ResultType(); \ | |
| 2031 return ret;\ | |
| 2032 JNI_END \ | |
| 2033 \ | |
| 2034 JNI_ENTRY(ResultType, \ | |
| 2035 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2036 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 2037 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 2038 ResultType ret;\ | |
| 2039 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2040 (const ResultType&)ret);\ | |
| 2041 \ | |
| 2042 JavaValue jvalue(Tag); \ | |
|
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2043 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2044 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2045 ret = jvalue.get_##ResultType(); \ | |
| 2046 return ret;\ | |
| 2047 JNI_END \ | |
| 2048 \ | |
| 2049 JNI_ENTRY(ResultType, \ | |
| 2050 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2051 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2052 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 2053 ResultType ret;\ | |
| 2054 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2055 (const ResultType&)ret);\ | |
| 2056 \ | |
| 2057 JavaValue jvalue(Tag); \ | |
|
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2058 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2059 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2060 ret = jvalue.get_##ResultType(); \ | |
| 2061 return ret;\ | |
| 2062 JNI_END | |
| 2063 | |
| 2064 // the runtime type of subword integral basic types is integer | |
| 2065 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2066 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2067 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2068 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2069 | |
| 2070 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2071 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2072 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2073 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2074 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2075 | |
| 2076 | |
| 2077 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2078 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2079 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2080 | |
| 4006 | 2081 #else /* USDT2 */ |
| 2082 | |
| 2083 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2084 , EntryProbe, ReturnProbe) \ | |
| 2085 \ | |
| 2086 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2087 , ReturnProbe);\ | |
| 2088 \ | |
| 2089 JNI_ENTRY(ResultType, \ | |
| 2090 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2091 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2092 \ | |
| 2093 EntryProbe;\ | |
| 2094 ResultType ret;\ | |
| 2095 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2096 (const ResultType&)ret);\ | |
| 2097 \ | |
| 2098 va_list args; \ | |
| 2099 va_start(args, methodID); \ | |
| 2100 JavaValue jvalue(Tag); \ | |
| 2101 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2102 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2103 va_end(args); \ | |
| 2104 ret = jvalue.get_##ResultType(); \ | |
| 2105 return ret;\ | |
| 2106 JNI_END | |
| 2107 | |
| 2108 // the runtime type of subword integral basic types is integer | |
| 2109 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2110 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2111 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2112 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2113 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2114 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2115 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2116 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2117 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2118 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2119 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2120 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2121 | |
| 2122 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2123 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2124 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2125 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2126 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2127 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2128 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2129 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2130 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2131 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2132 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2133 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2134 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2135 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2136 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2137 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2138 | |
| 2139 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2140 , EntryProbe, ReturnProbe) \ | |
| 2141 \ | |
| 2142 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2143 , ReturnProbe);\ | |
| 2144 \ | |
| 2145 JNI_ENTRY(ResultType, \ | |
| 2146 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2147 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2148 \ | |
| 2149 EntryProbe;\ | |
| 2150 ResultType ret;\ | |
| 2151 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2152 (const ResultType&)ret);\ | |
| 2153 \ | |
| 2154 JavaValue jvalue(Tag); \ | |
| 2155 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2156 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2157 ret = jvalue.get_##ResultType(); \ | |
| 2158 return ret;\ | |
| 2159 JNI_END | |
| 2160 | |
| 2161 // the runtime type of subword integral basic types is integer | |
| 2162 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2163 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2164 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2165 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2166 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2167 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2168 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2169 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2170 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2171 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2172 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2173 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2174 | |
| 2175 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2176 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2177 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2178 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2179 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2180 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2181 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2182 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2183 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2184 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2185 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2186 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2187 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2188 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2189 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2190 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2191 | |
| 2192 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2193 , EntryProbe, ReturnProbe) \ | |
| 2194 \ | |
| 2195 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2196 , ReturnProbe);\ | |
| 2197 \ | |
| 2198 JNI_ENTRY(ResultType, \ | |
| 2199 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2200 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2201 \ | |
| 2202 EntryProbe;\ | |
| 2203 ResultType ret;\ | |
| 2204 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2205 (const ResultType&)ret);\ | |
| 2206 \ | |
| 2207 JavaValue jvalue(Tag); \ | |
| 2208 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2209 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2210 ret = jvalue.get_##ResultType(); \ | |
| 2211 return ret;\ | |
| 2212 JNI_END | |
| 2213 | |
| 2214 // the runtime type of subword integral basic types is integer | |
| 2215 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2216 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2217 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2218 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2219 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2220 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2221 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2222 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2223 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2224 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2225 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2226 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2227 | |
| 2228 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2229 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2230 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2231 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2232 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2233 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2234 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2235 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2236 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2237 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2238 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2239 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2240 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2241 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2242 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2243 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2244 | |
| 2245 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2246 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2247 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2248 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2249 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2250 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2251 #endif /* USDT2 */ | |
| 2252 | |
| 0 | 2253 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2254 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2255 | |
| 4006 | 2256 #ifndef USDT2 |
| 0 | 2257 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2258 env, obj, cls, methodID); | |
| 4006 | 2259 #else /* USDT2 */ |
| 2260 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2261 env, obj, cls, (uintptr_t) methodID); | |
| 2262 #endif /* USDT2 */ | |
| 0 | 2263 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2264 | |
| 2265 va_list args; | |
| 2266 va_start(args, methodID); | |
| 2267 JavaValue jvalue(T_VOID); | |
|
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2268 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2269 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2270 va_end(args); | |
| 2271 JNI_END | |
| 2272 | |
| 2273 | |
| 2274 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2275 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2276 | |
| 4006 | 2277 #ifndef USDT2 |
| 0 | 2278 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2279 env, obj, cls, methodID); | |
| 4006 | 2280 #else /* USDT2 */ |
| 2281 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2282 env, obj, cls, (uintptr_t) methodID); | |
| 2283 #endif /* USDT2 */ | |
| 0 | 2284 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2285 | |
| 2286 JavaValue jvalue(T_VOID); | |
|
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2287 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2288 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2289 JNI_END | |
| 2290 | |
| 2291 | |
| 2292 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2293 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2294 #ifndef USDT2 |
| 0 | 2295 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2296 env, obj, cls, methodID); | |
| 4006 | 2297 #else /* USDT2 */ |
| 2298 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2299 env, obj, cls, (uintptr_t) methodID); | |
| 2300 #endif /* USDT2 */ | |
| 0 | 2301 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2302 JavaValue jvalue(T_VOID); | |
|
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2303 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2304 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2305 JNI_END | |
| 2306 | |
| 2307 | |
| 4006 | 2308 #ifndef USDT2 |
| 0 | 2309 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2310 \ | |
| 2311 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2312 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2313 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2314 \ | |
| 2315 JNI_ENTRY(ResultType, \ | |
| 2316 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2317 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2318 \ | |
| 2319 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2320 ResultType ret = 0;\ | |
| 2321 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2322 (const ResultType&)ret);\ | |
| 2323 \ | |
| 2324 va_list args; \ | |
| 2325 va_start(args, methodID); \ | |
| 2326 JavaValue jvalue(Tag); \ | |
|
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2327 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2328 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2329 va_end(args); \ | |
| 2330 ret = jvalue.get_##ResultType(); \ | |
| 2331 return ret;\ | |
| 2332 JNI_END \ | |
| 2333 \ | |
| 2334 JNI_ENTRY(ResultType, \ | |
| 2335 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2336 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2337 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2338 ResultType ret = 0;\ | |
| 2339 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2340 (const ResultType&)ret);\ | |
| 2341 \ | |
| 2342 JavaValue jvalue(Tag); \ | |
|
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2343 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2344 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2345 ret = jvalue.get_##ResultType(); \ | |
| 2346 return ret;\ | |
| 2347 JNI_END \ | |
| 2348 \ | |
| 2349 JNI_ENTRY(ResultType, \ | |
| 2350 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2351 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2352 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2353 ResultType ret = 0;\ | |
| 2354 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2355 (const ResultType&)ret);\ | |
| 2356 \ | |
| 2357 JavaValue jvalue(Tag); \ | |
|
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2358 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2359 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2360 ret = jvalue.get_##ResultType(); \ | |
| 2361 return ret;\ | |
| 2362 JNI_END | |
| 2363 | |
| 2364 // the runtime type of subword integral basic types is integer | |
| 2365 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2366 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2367 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2368 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2369 | |
| 2370 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2371 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2372 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2373 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2374 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2375 | |
| 2376 | |
| 2377 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2378 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2379 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2380 | |
| 4006 | 2381 #else /* USDT2 */ |
| 2382 | |
| 2383 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2384 , EntryProbe, ResultProbe) \ | |
| 2385 \ | |
| 2386 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2387 , ResultProbe); \ | |
| 2388 \ | |
| 2389 JNI_ENTRY(ResultType, \ | |
| 2390 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2391 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2392 \ | |
| 2393 EntryProbe; \ | |
| 2394 ResultType ret = 0;\ | |
| 2395 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2396 (const ResultType&)ret);\ | |
| 2397 \ | |
| 2398 va_list args; \ | |
| 2399 va_start(args, methodID); \ | |
| 2400 JavaValue jvalue(Tag); \ | |
| 2401 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2402 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2403 va_end(args); \ | |
| 2404 ret = jvalue.get_##ResultType(); \ | |
| 2405 return ret;\ | |
| 2406 JNI_END | |
| 2407 | |
| 2408 // the runtime type of subword integral basic types is integer | |
| 2409 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2410 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2411 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2412 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2413 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2414 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2415 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2416 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2417 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2418 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2419 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2420 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2421 | |
| 2422 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2423 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2424 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2425 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2426 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2427 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2428 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2429 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2430 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2431 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2432 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2433 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2434 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2435 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2436 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2437 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2438 | |
| 2439 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2440 , EntryProbe, ResultProbe) \ | |
| 2441 \ | |
| 2442 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2443 , ResultProbe); \ | |
| 2444 \ | |
| 2445 JNI_ENTRY(ResultType, \ | |
| 2446 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2447 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2448 \ | |
| 2449 EntryProbe; \ | |
| 2450 ResultType ret = 0;\ | |
| 2451 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2452 (const ResultType&)ret);\ | |
| 2453 \ | |
| 2454 JavaValue jvalue(Tag); \ | |
| 2455 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2456 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
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2457 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2458 k()->initialize(CHECK_0); \ |
| 4006 | 2459 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2460 va_end(args); \ | |
| 2461 ret = jvalue.get_##ResultType(); \ | |
| 2462 return ret;\ | |
| 2463 JNI_END | |
| 2464 | |
| 2465 // the runtime type of subword integral basic types is integer | |
| 2466 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2467 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2468 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2469 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2470 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2471 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2472 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2473 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2474 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2475 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2476 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2477 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2478 | |
| 2479 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2480 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2481 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2482 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2483 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2484 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2485 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2486 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2487 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2488 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2489 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2490 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2491 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2492 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2493 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2494 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2495 | |
| 2496 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2497 , EntryProbe, ResultProbe) \ | |
| 2498 \ | |
| 2499 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2500 , ResultProbe); \ | |
| 2501 \ | |
| 2502 JNI_ENTRY(ResultType, \ | |
| 2503 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2504 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2505 \ | |
| 2506 EntryProbe; \ | |
| 2507 ResultType ret = 0;\ | |
| 2508 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2509 (const ResultType&)ret);\ | |
| 2510 \ | |
| 2511 JavaValue jvalue(Tag); \ | |
| 2512 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2513 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2514 ret = jvalue.get_##ResultType(); \ | |
| 2515 return ret;\ | |
| 2516 JNI_END | |
| 2517 | |
| 2518 // the runtime type of subword integral basic types is integer | |
| 2519 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2520 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2521 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2522 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2523 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2524 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2525 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2526 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2527 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2528 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2529 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2530 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2531 | |
| 2532 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2533 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2534 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2535 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2536 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2537 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2538 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2539 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2540 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2541 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2542 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2543 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2544 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2545 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2546 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2547 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2548 | |
| 2549 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2550 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2551 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2552 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2553 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2554 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2555 #endif /* USDT2 */ | |
| 2556 | |
| 0 | 2557 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2558 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2559 #ifndef USDT2 |
| 0 | 2560 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2561 #else /* USDT2 */ |
| 2562 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2563 env, cls, (uintptr_t) methodID); | |
| 2564 #endif /* USDT2 */ | |
| 0 | 2565 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2566 | |
| 2567 va_list args; | |
| 2568 va_start(args, methodID); | |
| 2569 JavaValue jvalue(T_VOID); | |
|
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|
2570 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2571 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2572 va_end(args); | |
| 2573 JNI_END | |
| 2574 | |
| 2575 | |
| 2576 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2577 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2578 #ifndef USDT2 |
| 0 | 2579 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2580 #else /* USDT2 */ |
| 2581 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2582 env, cls, (uintptr_t) methodID); | |
| 2583 #endif /* USDT2 */ | |
| 0 | 2584 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2585 | |
| 2586 JavaValue jvalue(T_VOID); | |
|
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|
2587 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2588 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2589 JNI_END | |
| 2590 | |
| 2591 | |
| 2592 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2593 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2594 #ifndef USDT2 |
| 0 | 2595 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2596 #else /* USDT2 */ |
| 2597 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2598 env, cls, (uintptr_t) methodID); | |
| 2599 #endif /* USDT2 */ | |
| 0 | 2600 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2601 | |
| 2602 JavaValue jvalue(T_VOID); | |
|
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|
2603 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2604 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2605 JNI_END | |
| 2606 | |
| 2607 | |
| 2608 // | |
| 2609 // Accessing Fields | |
| 2610 // | |
| 2611 | |
| 2612 | |
| 4006 | 2613 #ifndef USDT2 |
| 0 | 2614 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2615 #else /* USDT2 */ |
| 2616 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2617 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2618 #endif /* USDT2 */ | |
| 0 | 2619 |
| 2620 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2621 const char *name, const char *sig)) | |
| 2622 JNIWrapper("GetFieldID"); | |
| 4006 | 2623 #ifndef USDT2 |
| 0 | 2624 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2625 #else /* USDT2 */ |
| 2626 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2627 env, clazz, (char *) name, (char *) sig); | |
| 2628 #endif /* USDT2 */ | |
| 0 | 2629 jfieldID ret = 0; |
| 2630 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2631 | |
| 2632 // The class should have been loaded (we have an instance of the class | |
| 2633 // passed in) so the field and signature should already be in the symbol | |
| 2634 // table. If they're not there, the field doesn't exist. | |
|
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2635 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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2636 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2637 if (fieldname == NULL || signame == NULL) { |
| 0 | 2638 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2639 } | |
| 2640 KlassHandle k(THREAD, | |
|
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2641 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2642 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2643 k()->initialize(CHECK_NULL); |
| 0 | 2644 |
| 2645 fieldDescriptor fd; | |
| 6983 | 2646 if (!k()->oop_is_instance() || |
|
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2647 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2648 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2649 } | |
| 2650 | |
| 2651 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2652 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2653 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2654 return ret; | |
| 2655 JNI_END | |
| 2656 | |
| 2657 | |
| 2658 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2659 JNIWrapper("GetObjectField"); | |
| 4006 | 2660 #ifndef USDT2 |
| 0 | 2661 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2662 #else /* USDT2 */ |
| 2663 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2664 env, obj, (uintptr_t) fieldID); | |
| 2665 #endif /* USDT2 */ | |
| 0 | 2666 oop o = JNIHandles::resolve_non_null(obj); |
|
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2667 Klass* k = o->klass(); |
| 0 | 2668 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2669 // Keep JVMTI addition small and only check enabled flag here. | |
| 2670 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2671 if (JvmtiExport::should_post_field_access()) { | |
| 2672 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2673 } | |
| 2674 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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|
2675 #ifndef SERIALGC |
|
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|
2676 // If G1 is enabled and we are accessing the value of the referent |
|
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|
2677 // field in a reference object then we need to register a non-null |
|
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|
2678 // referent with the SATB barrier. |
|
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|
2679 if (UseG1GC) { |
|
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|
2680 bool needs_barrier = false; |
|
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|
2681 |
|
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|
2682 if (ret != NULL && |
|
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|
2683 offset == java_lang_ref_Reference::referent_offset && |
|
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2684 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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|
2685 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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|
2686 needs_barrier = true; |
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|
2687 } |
|
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|
2688 |
|
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|
2689 if (needs_barrier) { |
|
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|
2690 oop referent = JNIHandles::resolve(ret); |
|
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|
2691 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2692 } |
|
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|
2693 } |
|
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|
2694 #endif // SERIALGC |
| 4006 | 2695 #ifndef USDT2 |
| 0 | 2696 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2697 #else /* USDT2 */ |
| 2698 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2699 ret); | |
| 2700 #endif /* USDT2 */ | |
| 0 | 2701 return ret; |
| 2702 JNI_END | |
| 2703 | |
| 2704 | |
| 4006 | 2705 #ifndef USDT2 |
| 0 | 2706 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2707 \ | |
| 2708 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2709 \ | |
| 2710 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2711 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2712 \ | |
| 2713 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2714 Return ret = 0;\ | |
| 2715 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2716 \ | |
| 2717 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2718 Klass* k = o->klass(); \ |
| 0 | 2719 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2720 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2721 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2722 /* and creates a ResetNoHandleMark. */ \ | |
| 2723 if (JvmtiExport::should_post_field_access()) { \ | |
| 2724 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2725 } \ | |
| 2726 ret = o->Fieldname##_field(offset); \ | |
| 2727 return ret; \ | |
| 2728 JNI_END | |
| 2729 | |
| 2730 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2731 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2732 DEFINE_GETFIELD(jchar, char, Char) | |
| 2733 DEFINE_GETFIELD(jshort, short, Short) | |
| 2734 DEFINE_GETFIELD(jint, int, Int) | |
| 2735 DEFINE_GETFIELD(jlong, long, Long) | |
| 2736 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2737 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2738 | |
| 4006 | 2739 #else /* USDT2 */ |
| 2740 | |
| 2741 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2742 , EntryProbe, ReturnProbe) \ | |
| 2743 \ | |
| 2744 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2745 , ReturnProbe); \ | |
| 2746 \ | |
| 2747 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2748 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2749 \ | |
| 2750 EntryProbe; \ | |
| 2751 Return ret = 0;\ | |
| 2752 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2753 \ | |
| 2754 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2755 Klass* k = o->klass(); \ |
| 4006 | 2756 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2757 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2758 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2759 /* and creates a ResetNoHandleMark. */ \ | |
| 2760 if (JvmtiExport::should_post_field_access()) { \ | |
| 2761 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2762 } \ | |
| 2763 ret = o->Fieldname##_field(offset); \ | |
| 2764 return ret; \ | |
| 2765 JNI_END | |
| 2766 | |
| 2767 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2768 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2769 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2770 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2771 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2772 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2773 DEFINE_GETFIELD(jchar, char, Char | |
| 2774 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2775 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2776 DEFINE_GETFIELD(jshort, short, Short | |
| 2777 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2778 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2779 DEFINE_GETFIELD(jint, int, Int | |
| 2780 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2781 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2782 DEFINE_GETFIELD(jlong, long, Long | |
| 2783 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2784 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2785 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2786 DEFINE_GETFIELD(jfloat, float, Float | |
| 2787 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2788 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2789 DEFINE_GETFIELD(jdouble, double, Double | |
| 2790 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2791 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2792 #endif /* USDT2 */ | |
| 2793 | |
| 0 | 2794 address jni_GetBooleanField_addr() { |
| 2795 return (address)jni_GetBooleanField; | |
| 2796 } | |
| 2797 address jni_GetByteField_addr() { | |
| 2798 return (address)jni_GetByteField; | |
| 2799 } | |
| 2800 address jni_GetCharField_addr() { | |
| 2801 return (address)jni_GetCharField; | |
| 2802 } | |
| 2803 address jni_GetShortField_addr() { | |
| 2804 return (address)jni_GetShortField; | |
| 2805 } | |
| 2806 address jni_GetIntField_addr() { | |
| 2807 return (address)jni_GetIntField; | |
| 2808 } | |
| 2809 address jni_GetLongField_addr() { | |
| 2810 return (address)jni_GetLongField; | |
| 2811 } | |
| 2812 address jni_GetFloatField_addr() { | |
| 2813 return (address)jni_GetFloatField; | |
| 2814 } | |
| 2815 address jni_GetDoubleField_addr() { | |
| 2816 return (address)jni_GetDoubleField; | |
| 2817 } | |
| 2818 | |
| 2819 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2820 JNIWrapper("SetObjectField"); | |
| 4006 | 2821 #ifndef USDT2 |
| 0 | 2822 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2823 #else /* USDT2 */ |
| 2824 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2825 env, obj, (uintptr_t) fieldID, value); | |
| 2826 #endif /* USDT2 */ | |
| 0 | 2827 oop o = JNIHandles::resolve_non_null(obj); |
|
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2828 Klass* k = o->klass(); |
| 0 | 2829 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2830 // Keep JVMTI addition small and only check enabled flag here. | |
| 2831 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2832 // and creates a ResetNoHandleMark. | |
| 2833 if (JvmtiExport::should_post_field_modification()) { | |
| 2834 jvalue field_value; | |
| 2835 field_value.l = value; | |
| 2836 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2837 } | |
| 2838 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2839 #ifndef USDT2 |
| 0 | 2840 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2841 #else /* USDT2 */ |
| 2842 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2843 ); | |
| 2844 #endif /* USDT2 */ | |
| 0 | 2845 JNI_END |
| 2846 | |
| 4006 | 2847 #ifndef USDT2 |
| 0 | 2848 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2849 \ | |
| 2850 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2851 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2852 \ | |
|
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2853 FP_SELECT_##Result( \ |
|
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|
2854 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
|
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6831
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|
2855 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2856 \ |
| 2857 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2858 Klass* k = o->klass(); \ |
| 0 | 2859 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2860 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2861 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2862 /* and creates a ResetNoHandleMark. */ \ | |
| 2863 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2864 jvalue field_value; \ | |
| 2865 field_value.unionType = value; \ | |
| 2866 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2867 } \ | |
| 2868 o->Fieldname##_field_put(offset, value); \ | |
| 2869 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2870 JNI_END | |
| 2871 | |
| 2872 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2873 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2874 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2875 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2876 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2877 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2878 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2879 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2880 | |
| 4006 | 2881 #else /* USDT2 */ |
| 2882 | |
| 2883 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2884 , EntryProbe, ReturnProbe) \ | |
| 2885 \ | |
| 2886 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2887 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2888 \ | |
| 2889 EntryProbe; \ | |
| 2890 \ | |
| 2891 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2892 Klass* k = o->klass(); \ |
| 4006 | 2893 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2894 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2895 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2896 /* and creates a ResetNoHandleMark. */ \ | |
| 2897 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2898 jvalue field_value; \ | |
| 2899 field_value.unionType = value; \ | |
| 2900 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2901 } \ | |
| 2902 o->Fieldname##_field_put(offset, value); \ | |
| 2903 ReturnProbe; \ | |
| 2904 JNI_END | |
| 2905 | |
| 2906 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2907 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2908 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2909 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2910 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2911 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2912 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2913 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2914 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2915 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2916 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2917 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2918 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2919 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2920 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2921 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2922 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2923 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2924 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2925 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2926 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2927 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2928 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2929 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2930 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2931 #endif /* USDT2 */ | |
| 2932 | |
| 2933 #ifndef USDT2 | |
| 0 | 2934 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2935 #else /* USDT2 */ |
| 2936 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2937 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2938 #endif /* USDT2 */ | |
| 0 | 2939 |
| 2940 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2941 JNIWrapper("ToReflectedField"); | |
| 4006 | 2942 #ifndef USDT2 |
| 0 | 2943 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2944 env, cls, fieldID, isStatic); | |
| 4006 | 2945 #else /* USDT2 */ |
| 2946 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2947 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2948 #endif /* USDT2 */ | |
| 0 | 2949 jobject ret = NULL; |
| 2950 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2951 | |
| 2952 fieldDescriptor fd; | |
| 2953 bool found = false; | |
|
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2954 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2955 |
| 2956 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2957 | |
| 2958 if (isStatic) { | |
|
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|
2959 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2960 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2961 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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|
2962 found = id->find_local_field(&fd); |
| 0 | 2963 } else { |
| 2964 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2965 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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|
2966 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2967 } |
| 2968 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2969 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2970 ret = JNIHandles::make_local(env, reflected); | |
| 2971 return ret; | |
| 2972 JNI_END | |
| 2973 | |
| 2974 | |
| 2975 // | |
| 2976 // Accessing Static Fields | |
| 2977 // | |
| 4006 | 2978 #ifndef USDT2 |
| 0 | 2979 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2980 #else /* USDT2 */ |
| 2981 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2982 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2983 #endif /* USDT2 */ | |
| 0 | 2984 |
| 2985 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2986 const char *name, const char *sig)) | |
| 2987 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2988 #ifndef USDT2 |
| 0 | 2989 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2990 #else /* USDT2 */ |
| 2991 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2992 env, clazz, (char *) name, (char *) sig); | |
| 2993 #endif /* USDT2 */ | |
| 0 | 2994 jfieldID ret = NULL; |
| 2995 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2996 | |
| 2997 // The class should have been loaded (we have an instance of the class | |
| 2998 // passed in) so the field and signature should already be in the symbol | |
| 2999 // table. If they're not there, the field doesn't exist. | |
|
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diff
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|
3000 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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|
3001 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
3002 if (fieldname == NULL || signame == NULL) { |
| 0 | 3003 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 3004 } | |
| 3005 KlassHandle k(THREAD, | |
|
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3006 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 3007 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 3008 k()->initialize(CHECK_NULL); |
| 0 | 3009 |
| 3010 fieldDescriptor fd; | |
| 6983 | 3011 if (!k()->oop_is_instance() || |
|
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|
3012 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 3013 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 3014 } | |
| 3015 | |
|
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|
3016 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
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|
3017 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 3018 debug_only(id->set_is_static_field_id();) |
| 3019 | |
|
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|
3020 debug_only(id->verify(fd.field_holder())); |
| 0 | 3021 |
| 3022 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 3023 return ret; | |
| 3024 JNI_END | |
| 3025 | |
| 3026 | |
| 3027 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 3028 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 3029 #ifndef USDT2 |
| 0 | 3030 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 3031 #else /* USDT2 */ |
| 3032 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 3033 env, clazz, (uintptr_t) fieldID); | |
| 3034 #endif /* USDT2 */ | |
|
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|
3035 #if INCLUDE_JNI_CHECK |
|
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|
3036 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
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|
3037 #endif // INCLUDE_JNI_CHECK |
| 0 | 3038 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3039 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3040 // Keep JVMTI addition small and only check enabled flag here. | |
| 3041 // jni_GetField_probe() assumes that is okay to create handles. | |
| 3042 if (JvmtiExport::should_post_field_access()) { | |
| 3043 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 3044 } | |
|
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|
3045 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 3046 #ifndef USDT2 |
| 0 | 3047 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 3048 #else /* USDT2 */ |
| 3049 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 3050 ret); | |
| 3051 #endif /* USDT2 */ | |
| 0 | 3052 return ret; |
| 3053 JNI_END | |
| 3054 | |
| 4006 | 3055 #ifndef USDT2 |
| 0 | 3056 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3057 \ | |
| 3058 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3059 \ | |
| 3060 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3061 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3062 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3063 Return ret = 0;\ | |
| 3064 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3065 (const Return&)ret);\ | |
| 3066 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3067 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3068 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3069 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3070 if (JvmtiExport::should_post_field_access()) { \ | |
| 3071 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3072 } \ | |
|
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|
3073 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3074 return ret;\ |
| 3075 JNI_END | |
| 3076 | |
| 3077 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3078 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3079 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3080 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3081 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3082 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3083 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3084 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3085 | |
| 4006 | 3086 #else /* USDT2 */ |
| 3087 | |
| 3088 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3089 , EntryProbe, ReturnProbe) \ | |
| 3090 \ | |
| 3091 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3092 , ReturnProbe); \ | |
| 3093 \ | |
| 3094 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3095 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3096 EntryProbe; \ | |
| 3097 Return ret = 0;\ | |
| 3098 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3099 (const Return&)ret);\ | |
| 3100 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3101 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3102 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3103 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3104 if (JvmtiExport::should_post_field_access()) { \ | |
| 3105 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3106 } \ | |
| 3107 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3108 return ret;\ | |
| 3109 JNI_END | |
| 3110 | |
| 3111 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3112 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3113 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3114 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3115 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3116 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3117 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3118 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3119 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3120 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3121 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3122 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3123 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3124 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3125 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3126 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3127 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3128 #endif /* USDT2 */ | |
| 0 | 3129 |
| 3130 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3131 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3132 #ifndef USDT2 |
| 0 | 3133 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3134 #else /* USDT2 */ |
| 3135 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3136 env, clazz, (uintptr_t) fieldID, value); | |
| 3137 #endif /* USDT2 */ | |
| 0 | 3138 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3139 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3140 // Keep JVMTI addition small and only check enabled flag here. | |
| 3141 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3142 if (JvmtiExport::should_post_field_modification()) { | |
| 3143 jvalue field_value; | |
| 3144 field_value.l = value; | |
| 3145 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3146 } | |
|
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|
3147 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3148 #ifndef USDT2 |
| 0 | 3149 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3150 #else /* USDT2 */ |
| 3151 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3152 ); | |
| 3153 #endif /* USDT2 */ | |
| 0 | 3154 JNI_END |
| 3155 | |
| 3156 | |
| 4006 | 3157 #ifndef USDT2 |
| 0 | 3158 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3159 \ | |
| 3160 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3161 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
6837
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7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
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6831
diff
changeset
|
3162 FP_SELECT_##Result( \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3163 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
|
75982791ddb6
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coleenp
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6831
diff
changeset
|
3164 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 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
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
3470 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3471 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3472 KlassHandle ak = KlassHandle(THREAD, ako); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3473 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3474 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 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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973
diff
changeset
|
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)) { | |
|
6831
d8ce2825b193
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coleenp
parents:
6725
diff
changeset
|
3533 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 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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kamg
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973
diff
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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) { \ | |
|
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diff
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|
3818 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 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) { \ | |
|
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6725
diff
changeset
|
3853 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 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) { \ | |
|
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|
3902 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 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) { \ | |
|
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6725
diff
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|
3937 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 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. | |
|
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3980 static Method* find_prefixed_native(KlassHandle k, |
|
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3981 Symbol* name, Symbol* signature, TRAPS) { |
|
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3982 #if INCLUDE_JVMTI |
| 0 | 3983 ResourceMark rm(THREAD); |
|
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3984 Method* method; |
| 0 | 3985 int name_len = name->utf8_length(); |
| 3986 char* name_str = name->as_utf8(); | |
| 3987 int prefix_count; | |
| 3988 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3989 for (int i = 0; i < prefix_count; i++) { | |
| 3990 char* prefix = prefixes[i]; | |
| 3991 int prefix_len = (int)strlen(prefix); | |
| 3992 | |
| 3993 // try adding this prefix to the method name and see if it matches another method name | |
| 3994 int trial_len = name_len + prefix_len; | |
| 3995 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3996 strcpy(trial_name_str, prefix); | |
| 3997 strcat(trial_name_str, name_str); | |
|
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3998 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
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|
3999 if (trial_name == NULL) { |
| 0 | 4000 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 4001 } | |
| 6983 | 4002 method = k()->lookup_method(trial_name, signature); |
| 0 | 4003 if (method == NULL) { |
| 4004 continue; // signature doesn't match, try the next prefix | |
| 4005 } | |
| 4006 if (method->is_native()) { | |
| 4007 method->set_is_prefixed_native(); | |
| 4008 return method; // wahoo, we found a prefixed version of the method, return it | |
| 4009 } | |
| 4010 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 4011 name_len = trial_len; | |
| 4012 name_str = trial_name_str; | |
| 4013 } | |
|
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4014 #endif // INCLUDE_JVMTI |
| 0 | 4015 return NULL; // not found |
| 4016 } | |
| 4017 | |
|
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|
4018 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 4019 Method* method = k()->lookup_method(name, signature); |
| 0 | 4020 if (method == NULL) { |
| 4021 ResourceMark rm; | |
| 4022 stringStream st; | |
| 4023 st.print("Method %s name or signature does not match", | |
| 6983 | 4024 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4025 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4026 } | |
| 4027 if (!method->is_native()) { | |
| 4028 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 4029 method = find_prefixed_native(k, name, signature, THREAD); | |
| 4030 if (method == NULL) { | |
| 4031 ResourceMark rm; | |
| 4032 stringStream st; | |
| 4033 st.print("Method %s is not declared as native", | |
| 6983 | 4034 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4035 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4036 } | |
| 4037 } | |
| 4038 | |
| 4039 if (entry != NULL) { | |
| 4040 method->set_native_function(entry, | |
|
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4041 Method::native_bind_event_is_interesting); |
| 0 | 4042 } else { |
| 4043 method->clear_native_function(); | |
| 4044 } | |
| 4045 if (PrintJNIResolving) { | |
| 4046 ResourceMark rm(THREAD); | |
| 4047 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
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|
4048 method->method_holder()->external_name(), |
| 0 | 4049 method->name()->as_C_string()); |
| 4050 } | |
| 4051 return true; | |
| 4052 } | |
| 4053 | |
| 4006 | 4054 #ifndef USDT2 |
| 0 | 4055 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4056 #else /* USDT2 */ |
| 4057 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4058 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4059 #endif /* USDT2 */ | |
| 0 | 4060 |
| 4061 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4062 const JNINativeMethod *methods, | |
| 4063 jint nMethods)) | |
| 4064 JNIWrapper("RegisterNatives"); | |
| 4006 | 4065 #ifndef USDT2 |
| 0 | 4066 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4067 #else /* USDT2 */ |
| 4068 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4069 env, clazz, (void *) methods, nMethods); | |
| 4070 #endif /* USDT2 */ | |
| 0 | 4071 jint ret = 0; |
| 4072 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4073 | |
|
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4074 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4075 |
| 4076 for (int index = 0; index < nMethods; index++) { | |
| 4077 const char* meth_name = methods[index].name; | |
| 4078 const char* meth_sig = methods[index].signature; | |
| 4079 int meth_name_len = (int)strlen(meth_name); | |
| 4080 | |
| 4081 // The class should have been loaded (we have an instance of the class | |
| 4082 // passed in) so the method and signature should already be in the symbol | |
| 4083 // table. If they're not there, the method doesn't exist. | |
|
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|
4084 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
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diff
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|
4085 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
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|
4086 |
|
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|
4087 if (name == NULL || signature == NULL) { |
| 0 | 4088 ResourceMark rm; |
| 4089 stringStream st; | |
| 6983 | 4090 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4091 // Must return negative value on failure |
| 4092 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4093 } | |
| 4094 | |
| 4095 bool res = register_native(h_k, name, signature, | |
| 4096 (address) methods[index].fnPtr, THREAD); | |
| 4097 if (!res) { | |
| 4098 ret = -1; | |
| 4099 break; | |
| 4100 } | |
| 4101 } | |
| 4102 return ret; | |
| 4103 JNI_END | |
| 4104 | |
| 4105 | |
| 4106 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4107 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4108 #ifndef USDT2 |
| 0 | 4109 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4110 #else /* USDT2 */ |
| 4111 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4112 env, clazz); | |
| 4113 #endif /* USDT2 */ | |
|
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|
4114 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4115 //%note jni_2 |
| 6983 | 4116 if (k->oop_is_instance()) { |
|
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|
4117 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
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|
4118 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4119 if (m->is_native()) { |
| 4120 m->clear_native_function(); | |
| 4121 m->set_signature_handler(NULL); | |
| 4122 } | |
| 4123 } | |
| 4124 } | |
| 4006 | 4125 #ifndef USDT2 |
| 0 | 4126 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4127 #else /* USDT2 */ |
| 4128 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4129 0); | |
| 4130 #endif /* USDT2 */ | |
| 0 | 4131 return 0; |
| 4132 JNI_END | |
| 4133 | |
| 4134 // | |
| 4135 // Monitor functions | |
| 4136 // | |
| 4137 | |
| 4006 | 4138 #ifndef USDT2 |
| 0 | 4139 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4140 #else /* USDT2 */ |
| 4141 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4142 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4143 #endif /* USDT2 */ | |
| 0 | 4144 |
| 4145 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4146 #ifndef USDT2 |
| 0 | 4147 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4148 #else /* USDT2 */ |
| 4149 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4150 env, jobj); | |
| 4151 #endif /* USDT2 */ | |
| 0 | 4152 jint ret = JNI_ERR; |
| 4153 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4154 | |
| 4155 // If the object is null, we can't do anything with it | |
| 4156 if (jobj == NULL) { | |
| 4157 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4158 } | |
| 4159 | |
| 4160 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4161 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4162 ret = JNI_OK; | |
| 4163 return ret; | |
| 4164 JNI_END | |
| 4165 | |
| 4006 | 4166 #ifndef USDT2 |
| 0 | 4167 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4168 #else /* USDT2 */ |
| 4169 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4170 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4171 #endif /* USDT2 */ | |
| 0 | 4172 |
| 4173 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4174 #ifndef USDT2 |
| 0 | 4175 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4176 #else /* USDT2 */ |
| 4177 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4178 env, jobj); | |
| 4179 #endif /* USDT2 */ | |
| 0 | 4180 jint ret = JNI_ERR; |
| 4181 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4182 | |
| 4183 // Don't do anything with a null object | |
| 4184 if (jobj == NULL) { | |
| 4185 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4186 } | |
| 4187 | |
| 4188 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4189 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4190 | |
| 4191 ret = JNI_OK; | |
| 4192 return ret; | |
| 4193 JNI_END | |
| 4194 | |
| 4195 // | |
| 4196 // Extensions | |
| 4197 // | |
| 4198 | |
| 4006 | 4199 #ifndef USDT2 |
| 0 | 4200 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4201 #else /* USDT2 */ |
| 4202 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4203 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4204 #endif /* USDT2 */ | |
| 0 | 4205 |
| 4206 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4207 JNIWrapper("GetStringRegion"); | |
| 4006 | 4208 #ifndef USDT2 |
| 0 | 4209 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4210 #else /* USDT2 */ |
| 4211 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4212 env, string, start, len, buf); | |
| 4213 #endif /* USDT2 */ | |
| 0 | 4214 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4215 oop s = JNIHandles::resolve_non_null(string); | |
| 4216 int s_len = java_lang_String::length(s); | |
| 4217 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4218 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4219 } else { | |
| 4220 if (len > 0) { | |
| 4221 int s_offset = java_lang_String::offset(s); | |
| 4222 typeArrayOop s_value = java_lang_String::value(s); | |
| 4223 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4224 } | |
| 4225 } | |
| 4226 JNI_END | |
| 4227 | |
| 4006 | 4228 #ifndef USDT2 |
| 0 | 4229 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4230 #else /* USDT2 */ |
| 4231 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4232 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4233 #endif /* USDT2 */ | |
| 0 | 4234 |
| 4235 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4236 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4237 #ifndef USDT2 |
| 0 | 4238 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4239 #else /* USDT2 */ |
| 4240 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4241 env, string, start, len, buf); | |
| 4242 #endif /* USDT2 */ | |
| 0 | 4243 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4244 oop s = JNIHandles::resolve_non_null(string); | |
| 4245 int s_len = java_lang_String::length(s); | |
| 4246 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4247 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4248 } else { | |
| 4249 //%note jni_7 | |
| 4250 if (len > 0) { | |
| 4251 ResourceMark rm(THREAD); | |
| 4252 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4253 int utf_len = (int)strlen(utf_region); | |
| 4254 memcpy(buf, utf_region, utf_len); | |
| 4255 buf[utf_len] = 0; | |
| 4256 } else { | |
| 4257 // JDK null-terminates the buffer even in len is zero | |
| 4258 if (buf != NULL) { | |
| 4259 buf[0] = 0; | |
| 4260 } | |
| 4261 } | |
| 4262 } | |
| 4263 JNI_END | |
| 4264 | |
| 4265 | |
| 4266 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4267 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4268 #ifndef USDT2 |
| 0 | 4269 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4270 #else /* USDT2 */ |
| 4271 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4272 env, array, (uintptr_t *) isCopy); | |
| 4273 #endif /* USDT2 */ | |
| 0 | 4274 GC_locker::lock_critical(thread); |
| 4275 if (isCopy != NULL) { | |
| 4276 *isCopy = JNI_FALSE; | |
| 4277 } | |
| 4278 oop a = JNIHandles::resolve_non_null(array); | |
| 4279 assert(a->is_array(), "just checking"); | |
| 4280 BasicType type; | |
| 4281 if (a->is_objArray()) { | |
| 4282 type = T_OBJECT; | |
| 4283 } else { | |
|
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|
4284 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4285 } |
| 4286 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4287 #ifndef USDT2 |
| 0 | 4288 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4289 #else /* USDT2 */ |
| 4290 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4291 ret); | |
| 4292 #endif /* USDT2 */ | |
| 0 | 4293 return ret; |
| 4294 JNI_END | |
| 4295 | |
| 4296 | |
| 4297 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4298 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4299 #ifndef USDT2 |
| 0 | 4300 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4301 #else /* USDT2 */ |
| 4302 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4303 env, array, carray, mode); | |
| 4304 #endif /* USDT2 */ | |
| 0 | 4305 // The array, carray and mode arguments are ignored |
| 4306 GC_locker::unlock_critical(thread); | |
| 4006 | 4307 #ifndef USDT2 |
| 0 | 4308 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4309 #else /* USDT2 */ |
| 4310 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4311 ); | |
| 4312 #endif /* USDT2 */ | |
| 0 | 4313 JNI_END |
| 4314 | |
| 4315 | |
| 4316 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4317 JNIWrapper("GetStringCritical"); | |
| 4006 | 4318 #ifndef USDT2 |
| 0 | 4319 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4320 #else /* USDT2 */ |
| 4321 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4322 env, string, (uintptr_t *) isCopy); | |
| 4323 #endif /* USDT2 */ | |
| 0 | 4324 GC_locker::lock_critical(thread); |
| 4325 if (isCopy != NULL) { | |
| 4326 *isCopy = JNI_FALSE; | |
| 4327 } | |
| 4328 oop s = JNIHandles::resolve_non_null(string); | |
| 4329 int s_len = java_lang_String::length(s); | |
| 4330 typeArrayOop s_value = java_lang_String::value(s); | |
| 4331 int s_offset = java_lang_String::offset(s); | |
| 4332 const jchar* ret; | |
| 4333 if (s_len > 0) { | |
| 4334 ret = s_value->char_at_addr(s_offset); | |
| 4335 } else { | |
| 4336 ret = (jchar*) s_value->base(T_CHAR); | |
| 4337 } | |
| 4006 | 4338 #ifndef USDT2 |
| 0 | 4339 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4340 #else /* USDT2 */ |
| 4341 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4342 (uint16_t *) ret); | |
| 4343 #endif /* USDT2 */ | |
| 0 | 4344 return ret; |
| 4345 JNI_END | |
| 4346 | |
| 4347 | |
| 4348 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4349 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4350 #ifndef USDT2 |
| 0 | 4351 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4352 #else /* USDT2 */ |
| 4353 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4354 env, str, (uint16_t *) chars); | |
| 4355 #endif /* USDT2 */ | |
| 0 | 4356 // The str and chars arguments are ignored |
| 4357 GC_locker::unlock_critical(thread); | |
| 4006 | 4358 #ifndef USDT2 |
| 0 | 4359 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4360 #else /* USDT2 */ |
| 4361 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4362 ); | |
| 4363 #endif /* USDT2 */ | |
| 0 | 4364 JNI_END |
| 4365 | |
| 4366 | |
| 4367 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4368 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4369 #ifndef USDT2 |
| 0 | 4370 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4371 #else /* USDT2 */ |
| 4372 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4373 env, ref); | |
| 4374 #endif /* USDT2 */ | |
| 0 | 4375 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4376 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4377 #ifndef USDT2 |
| 0 | 4378 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4379 #else /* USDT2 */ |
| 4380 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4381 ret); | |
| 4382 #endif /* USDT2 */ | |
| 0 | 4383 return ret; |
| 4384 JNI_END | |
| 4385 | |
| 4386 // Must be JNI_ENTRY (with HandleMark) | |
| 4387 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4388 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4389 #ifndef USDT2 |
| 0 | 4390 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4391 #else /* USDT2 */ |
| 4392 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4393 env, ref); | |
| 4394 #endif /* USDT2 */ | |
| 0 | 4395 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4396 #ifndef USDT2 |
| 0 | 4397 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4398 #else /* USDT2 */ |
| 4399 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4400 ); | |
| 4401 #endif /* USDT2 */ | |
| 0 | 4402 JNI_END |
| 4403 | |
| 4404 | |
| 4405 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4406 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4407 #ifndef USDT2 |
| 0 | 4408 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4409 #else /* USDT2 */ |
| 4410 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4411 env); | |
| 4412 #endif /* USDT2 */ | |
| 0 | 4413 jni_check_async_exceptions(thread); |
| 4414 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4415 #ifndef USDT2 |
| 0 | 4416 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4417 #else /* USDT2 */ |
| 4418 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4419 ret); | |
| 4420 #endif /* USDT2 */ | |
| 0 | 4421 return ret; |
| 4422 JNI_END | |
| 4423 | |
| 4424 | |
| 4425 // Initialization state for three routines below relating to | |
| 4426 // java.nio.DirectBuffers | |
| 4427 static jint directBufferSupportInitializeStarted = 0; | |
| 4428 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4429 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4430 static jclass bufferClass = NULL; | |
| 4431 static jclass directBufferClass = NULL; | |
| 4432 static jclass directByteBufferClass = NULL; | |
| 4433 static jmethodID directByteBufferConstructor = NULL; | |
| 4434 static jfieldID directBufferAddressField = NULL; | |
| 4435 static jfieldID bufferCapacityField = NULL; | |
| 4436 | |
| 4437 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4438 Handle loader; // null (bootstrap) loader | |
| 4439 Handle protection_domain; // null protection domain | |
| 4440 | |
|
2177
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6990754: Use native memory and reference counting to implement SymbolTable
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diff
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|
4441 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
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parents:
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diff
changeset
|
4442 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
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diff
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|
4443 |
|
715dceaa89b7
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diff
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|
4444 if (TraceClassResolution && result != NULL) { |
|
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|
4445 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
715dceaa89b7
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|
4446 } |
|
715dceaa89b7
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diff
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|
4447 return result; |
| 0 | 4448 } |
| 4449 | |
| 4450 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4451 // circumvent any security checks that would be done by jni_FindClass. | |
| 4452 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4453 { | |
| 4454 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4455 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4456 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4457 return true; | |
| 4458 } | |
| 4459 JNI_END | |
| 4460 | |
| 4461 | |
| 4462 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4463 if (directBufferSupportInitializeFailed) { | |
| 4464 return false; | |
| 4465 } | |
| 4466 | |
| 4467 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4468 if (!lookupDirectBufferClasses(env)) { | |
| 4469 directBufferSupportInitializeFailed = 1; | |
| 4470 return false; | |
| 4471 } | |
| 4472 | |
| 4473 // Make global references for these | |
| 4474 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4475 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4476 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4477 | |
| 4478 // Get needed field and method IDs | |
| 4479 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4480 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4481 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4482 | |
| 4483 if ((directByteBufferConstructor == NULL) || | |
| 4484 (directBufferAddressField == NULL) || | |
| 4485 (bufferCapacityField == NULL)) { | |
| 4486 directBufferSupportInitializeFailed = 1; | |
| 4487 return false; | |
| 4488 } | |
| 4489 | |
| 4490 directBufferSupportInitializeEnded = 1; | |
| 4491 } else { | |
| 4492 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
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|
4493 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
4db4e58c16bd
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|
4494 // os::sleep which requires the VM state transition. On other platforms, it |
|
4db4e58c16bd
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diff
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|
4495 // is not necessary. The following call to change the VM state is purposely |
|
4db4e58c16bd
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477
diff
changeset
|
4496 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
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diff
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|
4497 // try to call this method. See 6791815 for more details. |
|
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|
4498 ThreadInVMfromNative tivn(thread); |
| 0 | 4499 os::yield_all(); |
| 4500 } | |
| 4501 } | |
| 4502 | |
| 4503 return !directBufferSupportInitializeFailed; | |
| 4504 } | |
| 4505 | |
| 4506 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4507 { | |
| 4508 // thread_from_jni_environment() will block if VM is gone. | |
| 4509 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4510 | |
| 4511 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4512 #ifndef USDT2 |
| 0 | 4513 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4514 #else /* USDT2 */ |
| 4515 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4516 env, address, capacity); | |
| 4517 #endif /* USDT2 */ | |
| 0 | 4518 |
| 4519 if (!directBufferSupportInitializeEnded) { | |
| 4520 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4521 #ifndef USDT2 |
| 0 | 4522 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4523 #else /* USDT2 */ |
| 4524 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4525 NULL); | |
| 4526 #endif /* USDT2 */ | |
| 0 | 4527 return NULL; |
| 4528 } | |
| 4529 } | |
| 4530 | |
| 4531 // Being paranoid about accidental sign extension on address | |
| 4532 jlong addr = (jlong) ((uintptr_t) address); | |
| 4533 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4534 // takes int capacity | |
| 4535 jint cap = (jint) capacity; | |
| 4536 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4537 #ifndef USDT2 |
| 0 | 4538 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4539 #else /* USDT2 */ |
| 4540 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4541 ret); | |
| 4542 #endif /* USDT2 */ | |
| 0 | 4543 return ret; |
| 4544 } | |
| 4545 | |
| 4006 | 4546 #ifndef USDT2 |
| 0 | 4547 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4548 #else /* USDT2 */ |
| 4549 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4550 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4551 #endif /* USDT2 */ | |
| 0 | 4552 |
| 4553 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4554 { | |
| 4555 // thread_from_jni_environment() will block if VM is gone. | |
| 4556 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4557 | |
| 4558 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4559 #ifndef USDT2 |
| 0 | 4560 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4561 #else /* USDT2 */ |
| 4562 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4563 env, buf); | |
| 4564 #endif /* USDT2 */ | |
| 0 | 4565 void* ret = NULL; |
| 4566 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4567 | |
| 4568 if (!directBufferSupportInitializeEnded) { | |
| 4569 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4570 return 0; | |
| 4571 } | |
| 4572 } | |
| 4573 | |
| 4574 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4575 return 0; | |
| 4576 } | |
| 4577 | |
| 4578 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4579 return ret; | |
| 4580 } | |
| 4581 | |
| 4006 | 4582 #ifndef USDT2 |
| 0 | 4583 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4584 #else /* USDT2 */ |
| 4585 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4586 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4587 #endif /* USDT2 */ | |
| 0 | 4588 |
| 4589 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4590 { | |
| 4591 // thread_from_jni_environment() will block if VM is gone. | |
| 4592 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4593 | |
| 4594 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4595 #ifndef USDT2 |
| 0 | 4596 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4597 #else /* USDT2 */ |
| 4598 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4599 env, buf); | |
| 4600 #endif /* USDT2 */ | |
| 0 | 4601 jlong ret = -1; |
| 4602 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4603 | |
| 4604 if (!directBufferSupportInitializeEnded) { | |
| 4605 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4606 ret = 0; | |
| 4607 return ret; | |
| 4608 } | |
| 4609 } | |
| 4610 | |
| 4611 if (buf == NULL) { | |
| 4612 return -1; | |
| 4613 } | |
| 4614 | |
| 4615 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4616 return -1; | |
| 4617 } | |
| 4618 | |
| 4619 // NOTE that capacity is currently an int in the implementation | |
| 4620 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4621 return ret; | |
| 4622 } | |
| 4623 | |
| 4624 | |
| 4625 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4626 JNIWrapper("GetVersion"); | |
| 4006 | 4627 #ifndef USDT2 |
| 0 | 4628 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4629 #else /* USDT2 */ |
| 4630 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4631 env); | |
| 4632 #endif /* USDT2 */ | |
| 4633 #ifndef USDT2 | |
| 0 | 4634 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4635 #else /* USDT2 */ |
| 4636 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4637 CurrentVersion); | |
| 4638 #endif /* USDT2 */ | |
| 0 | 4639 return CurrentVersion; |
| 4640 JNI_END | |
| 4641 | |
| 4642 extern struct JavaVM_ main_vm; | |
| 4643 | |
| 4644 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4645 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4646 #ifndef USDT2 |
| 0 | 4647 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4648 #else /* USDT2 */ |
| 4649 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4650 env, (void **) vm); | |
| 4651 #endif /* USDT2 */ | |
| 0 | 4652 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4653 #ifndef USDT2 |
| 0 | 4654 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4655 #else /* USDT2 */ |
| 4656 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4657 JNI_OK); | |
| 4658 #endif /* USDT2 */ | |
| 0 | 4659 return JNI_OK; |
| 4660 JNI_END | |
| 4661 | |
| 4662 // Structure containing all jni functions | |
| 4663 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4664 NULL, | |
| 4665 NULL, | |
| 4666 NULL, | |
| 4667 | |
| 4668 NULL, | |
| 4669 | |
| 4670 jni_GetVersion, | |
| 4671 | |
| 4672 jni_DefineClass, | |
| 4673 jni_FindClass, | |
| 4674 | |
| 4675 jni_FromReflectedMethod, | |
| 4676 jni_FromReflectedField, | |
| 4677 | |
| 4678 jni_ToReflectedMethod, | |
| 4679 | |
| 4680 jni_GetSuperclass, | |
| 4681 jni_IsAssignableFrom, | |
| 4682 | |
| 4683 jni_ToReflectedField, | |
| 4684 | |
| 4685 jni_Throw, | |
| 4686 jni_ThrowNew, | |
| 4687 jni_ExceptionOccurred, | |
| 4688 jni_ExceptionDescribe, | |
| 4689 jni_ExceptionClear, | |
| 4690 jni_FatalError, | |
| 4691 | |
| 4692 jni_PushLocalFrame, | |
| 4693 jni_PopLocalFrame, | |
| 4694 | |
| 4695 jni_NewGlobalRef, | |
| 4696 jni_DeleteGlobalRef, | |
| 4697 jni_DeleteLocalRef, | |
| 4698 jni_IsSameObject, | |
| 4699 | |
| 4700 jni_NewLocalRef, | |
| 4701 jni_EnsureLocalCapacity, | |
| 4702 | |
| 4703 jni_AllocObject, | |
| 4704 jni_NewObject, | |
| 4705 jni_NewObjectV, | |
| 4706 jni_NewObjectA, | |
| 4707 | |
| 4708 jni_GetObjectClass, | |
| 4709 jni_IsInstanceOf, | |
| 4710 | |
| 4711 jni_GetMethodID, | |
| 4712 | |
| 4713 jni_CallObjectMethod, | |
| 4714 jni_CallObjectMethodV, | |
| 4715 jni_CallObjectMethodA, | |
| 4716 jni_CallBooleanMethod, | |
| 4717 jni_CallBooleanMethodV, | |
| 4718 jni_CallBooleanMethodA, | |
| 4719 jni_CallByteMethod, | |
| 4720 jni_CallByteMethodV, | |
| 4721 jni_CallByteMethodA, | |
| 4722 jni_CallCharMethod, | |
| 4723 jni_CallCharMethodV, | |
| 4724 jni_CallCharMethodA, | |
| 4725 jni_CallShortMethod, | |
| 4726 jni_CallShortMethodV, | |
| 4727 jni_CallShortMethodA, | |
| 4728 jni_CallIntMethod, | |
| 4729 jni_CallIntMethodV, | |
| 4730 jni_CallIntMethodA, | |
| 4731 jni_CallLongMethod, | |
| 4732 jni_CallLongMethodV, | |
| 4733 jni_CallLongMethodA, | |
| 4734 jni_CallFloatMethod, | |
| 4735 jni_CallFloatMethodV, | |
| 4736 jni_CallFloatMethodA, | |
| 4737 jni_CallDoubleMethod, | |
| 4738 jni_CallDoubleMethodV, | |
| 4739 jni_CallDoubleMethodA, | |
| 4740 jni_CallVoidMethod, | |
| 4741 jni_CallVoidMethodV, | |
| 4742 jni_CallVoidMethodA, | |
| 4743 | |
| 4744 jni_CallNonvirtualObjectMethod, | |
| 4745 jni_CallNonvirtualObjectMethodV, | |
| 4746 jni_CallNonvirtualObjectMethodA, | |
| 4747 jni_CallNonvirtualBooleanMethod, | |
| 4748 jni_CallNonvirtualBooleanMethodV, | |
| 4749 jni_CallNonvirtualBooleanMethodA, | |
| 4750 jni_CallNonvirtualByteMethod, | |
| 4751 jni_CallNonvirtualByteMethodV, | |
| 4752 jni_CallNonvirtualByteMethodA, | |
| 4753 jni_CallNonvirtualCharMethod, | |
| 4754 jni_CallNonvirtualCharMethodV, | |
| 4755 jni_CallNonvirtualCharMethodA, | |
| 4756 jni_CallNonvirtualShortMethod, | |
| 4757 jni_CallNonvirtualShortMethodV, | |
| 4758 jni_CallNonvirtualShortMethodA, | |
| 4759 jni_CallNonvirtualIntMethod, | |
| 4760 jni_CallNonvirtualIntMethodV, | |
| 4761 jni_CallNonvirtualIntMethodA, | |
| 4762 jni_CallNonvirtualLongMethod, | |
| 4763 jni_CallNonvirtualLongMethodV, | |
| 4764 jni_CallNonvirtualLongMethodA, | |
| 4765 jni_CallNonvirtualFloatMethod, | |
| 4766 jni_CallNonvirtualFloatMethodV, | |
| 4767 jni_CallNonvirtualFloatMethodA, | |
| 4768 jni_CallNonvirtualDoubleMethod, | |
| 4769 jni_CallNonvirtualDoubleMethodV, | |
| 4770 jni_CallNonvirtualDoubleMethodA, | |
| 4771 jni_CallNonvirtualVoidMethod, | |
| 4772 jni_CallNonvirtualVoidMethodV, | |
| 4773 jni_CallNonvirtualVoidMethodA, | |
| 4774 | |
| 4775 jni_GetFieldID, | |
| 4776 | |
| 4777 jni_GetObjectField, | |
| 4778 jni_GetBooleanField, | |
| 4779 jni_GetByteField, | |
| 4780 jni_GetCharField, | |
| 4781 jni_GetShortField, | |
| 4782 jni_GetIntField, | |
| 4783 jni_GetLongField, | |
| 4784 jni_GetFloatField, | |
| 4785 jni_GetDoubleField, | |
| 4786 | |
| 4787 jni_SetObjectField, | |
| 4788 jni_SetBooleanField, | |
| 4789 jni_SetByteField, | |
| 4790 jni_SetCharField, | |
| 4791 jni_SetShortField, | |
| 4792 jni_SetIntField, | |
| 4793 jni_SetLongField, | |
| 4794 jni_SetFloatField, | |
| 4795 jni_SetDoubleField, | |
| 4796 | |
| 4797 jni_GetStaticMethodID, | |
| 4798 | |
| 4799 jni_CallStaticObjectMethod, | |
| 4800 jni_CallStaticObjectMethodV, | |
| 4801 jni_CallStaticObjectMethodA, | |
| 4802 jni_CallStaticBooleanMethod, | |
| 4803 jni_CallStaticBooleanMethodV, | |
| 4804 jni_CallStaticBooleanMethodA, | |
| 4805 jni_CallStaticByteMethod, | |
| 4806 jni_CallStaticByteMethodV, | |
| 4807 jni_CallStaticByteMethodA, | |
| 4808 jni_CallStaticCharMethod, | |
| 4809 jni_CallStaticCharMethodV, | |
| 4810 jni_CallStaticCharMethodA, | |
| 4811 jni_CallStaticShortMethod, | |
| 4812 jni_CallStaticShortMethodV, | |
| 4813 jni_CallStaticShortMethodA, | |
| 4814 jni_CallStaticIntMethod, | |
| 4815 jni_CallStaticIntMethodV, | |
| 4816 jni_CallStaticIntMethodA, | |
| 4817 jni_CallStaticLongMethod, | |
| 4818 jni_CallStaticLongMethodV, | |
| 4819 jni_CallStaticLongMethodA, | |
| 4820 jni_CallStaticFloatMethod, | |
| 4821 jni_CallStaticFloatMethodV, | |
| 4822 jni_CallStaticFloatMethodA, | |
| 4823 jni_CallStaticDoubleMethod, | |
| 4824 jni_CallStaticDoubleMethodV, | |
| 4825 jni_CallStaticDoubleMethodA, | |
| 4826 jni_CallStaticVoidMethod, | |
| 4827 jni_CallStaticVoidMethodV, | |
| 4828 jni_CallStaticVoidMethodA, | |
| 4829 | |
| 4830 jni_GetStaticFieldID, | |
| 4831 | |
| 4832 jni_GetStaticObjectField, | |
| 4833 jni_GetStaticBooleanField, | |
| 4834 jni_GetStaticByteField, | |
| 4835 jni_GetStaticCharField, | |
| 4836 jni_GetStaticShortField, | |
| 4837 jni_GetStaticIntField, | |
| 4838 jni_GetStaticLongField, | |
| 4839 jni_GetStaticFloatField, | |
| 4840 jni_GetStaticDoubleField, | |
| 4841 | |
| 4842 jni_SetStaticObjectField, | |
| 4843 jni_SetStaticBooleanField, | |
| 4844 jni_SetStaticByteField, | |
| 4845 jni_SetStaticCharField, | |
| 4846 jni_SetStaticShortField, | |
| 4847 jni_SetStaticIntField, | |
| 4848 jni_SetStaticLongField, | |
| 4849 jni_SetStaticFloatField, | |
| 4850 jni_SetStaticDoubleField, | |
| 4851 | |
| 4852 jni_NewString, | |
| 4853 jni_GetStringLength, | |
| 4854 jni_GetStringChars, | |
| 4855 jni_ReleaseStringChars, | |
| 4856 | |
| 4857 jni_NewStringUTF, | |
| 4858 jni_GetStringUTFLength, | |
| 4859 jni_GetStringUTFChars, | |
| 4860 jni_ReleaseStringUTFChars, | |
| 4861 | |
| 4862 jni_GetArrayLength, | |
| 4863 | |
| 4864 jni_NewObjectArray, | |
| 4865 jni_GetObjectArrayElement, | |
| 4866 jni_SetObjectArrayElement, | |
| 4867 | |
| 4868 jni_NewBooleanArray, | |
| 4869 jni_NewByteArray, | |
| 4870 jni_NewCharArray, | |
| 4871 jni_NewShortArray, | |
| 4872 jni_NewIntArray, | |
| 4873 jni_NewLongArray, | |
| 4874 jni_NewFloatArray, | |
| 4875 jni_NewDoubleArray, | |
| 4876 | |
| 4877 jni_GetBooleanArrayElements, | |
| 4878 jni_GetByteArrayElements, | |
| 4879 jni_GetCharArrayElements, | |
| 4880 jni_GetShortArrayElements, | |
| 4881 jni_GetIntArrayElements, | |
| 4882 jni_GetLongArrayElements, | |
| 4883 jni_GetFloatArrayElements, | |
| 4884 jni_GetDoubleArrayElements, | |
| 4885 | |
| 4886 jni_ReleaseBooleanArrayElements, | |
| 4887 jni_ReleaseByteArrayElements, | |
| 4888 jni_ReleaseCharArrayElements, | |
| 4889 jni_ReleaseShortArrayElements, | |
| 4890 jni_ReleaseIntArrayElements, | |
| 4891 jni_ReleaseLongArrayElements, | |
| 4892 jni_ReleaseFloatArrayElements, | |
| 4893 jni_ReleaseDoubleArrayElements, | |
| 4894 | |
| 4895 jni_GetBooleanArrayRegion, | |
| 4896 jni_GetByteArrayRegion, | |
| 4897 jni_GetCharArrayRegion, | |
| 4898 jni_GetShortArrayRegion, | |
| 4899 jni_GetIntArrayRegion, | |
| 4900 jni_GetLongArrayRegion, | |
| 4901 jni_GetFloatArrayRegion, | |
| 4902 jni_GetDoubleArrayRegion, | |
| 4903 | |
| 4904 jni_SetBooleanArrayRegion, | |
| 4905 jni_SetByteArrayRegion, | |
| 4906 jni_SetCharArrayRegion, | |
| 4907 jni_SetShortArrayRegion, | |
| 4908 jni_SetIntArrayRegion, | |
| 4909 jni_SetLongArrayRegion, | |
| 4910 jni_SetFloatArrayRegion, | |
| 4911 jni_SetDoubleArrayRegion, | |
| 4912 | |
| 4913 jni_RegisterNatives, | |
| 4914 jni_UnregisterNatives, | |
| 4915 | |
| 4916 jni_MonitorEnter, | |
| 4917 jni_MonitorExit, | |
| 4918 | |
| 4919 jni_GetJavaVM, | |
| 4920 | |
| 4921 jni_GetStringRegion, | |
| 4922 jni_GetStringUTFRegion, | |
| 4923 | |
| 4924 jni_GetPrimitiveArrayCritical, | |
| 4925 jni_ReleasePrimitiveArrayCritical, | |
| 4926 | |
| 4927 jni_GetStringCritical, | |
| 4928 jni_ReleaseStringCritical, | |
| 4929 | |
| 4930 jni_NewWeakGlobalRef, | |
| 4931 jni_DeleteWeakGlobalRef, | |
| 4932 | |
| 4933 jni_ExceptionCheck, | |
| 4934 | |
| 4935 jni_NewDirectByteBuffer, | |
| 4936 jni_GetDirectBufferAddress, | |
| 4937 jni_GetDirectBufferCapacity, | |
| 4938 | |
| 4939 // New 1_6 features | |
| 4940 | |
| 4941 jni_GetObjectRefType | |
| 4942 }; | |
| 4943 | |
| 4944 | |
| 4945 // For jvmti use to modify jni function table. | |
| 4946 // Java threads in native contiues to run until it is transitioned | |
| 4947 // to VM at safepoint. Before the transition or before it is blocked | |
| 4948 // for safepoint it may access jni function table. VM could crash if | |
| 4949 // any java thread access the jni function table in the middle of memcpy. | |
| 4950 // To avoid this each function pointers are copied automically. | |
| 4951 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4952 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4953 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4954 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4955 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4956 Atomic::store_ptr(*b++, a++); | |
| 4957 } | |
| 4958 } | |
| 4959 | |
| 4960 void quicken_jni_functions() { | |
| 4961 // Replace Get<Primitive>Field with fast versions | |
| 4962 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4963 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4964 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4965 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4966 // versions currently isn't certain for server vm on uniprocessor. | |
| 4967 && os::is_MP() | |
| 4968 #endif | |
| 4969 ) { | |
| 4970 address func; | |
| 4971 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4972 if (func != (address)-1) { | |
| 4973 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4974 } | |
| 4975 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4976 if (func != (address)-1) { | |
| 4977 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4978 } | |
| 4979 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4980 if (func != (address)-1) { | |
| 4981 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4982 } | |
| 4983 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4984 if (func != (address)-1) { | |
| 4985 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4986 } | |
| 4987 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4988 if (func != (address)-1) { | |
| 4989 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4990 } | |
| 4991 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4992 if (func != (address)-1) { | |
| 4993 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4994 } | |
| 4995 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4996 if (func != (address)-1) { | |
| 4997 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4998 } | |
| 4999 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 5000 if (func != (address)-1) { | |
| 5001 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 5002 } | |
| 5003 } | |
| 5004 } | |
| 5005 | |
| 5006 // Returns the function structure | |
| 5007 struct JNINativeInterface_* jni_functions() { | |
|
6854
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changeset
|
5008 #if INCLUDE_JNI_CHECK |
| 0 | 5009 if (CheckJNICalls) return jni_functions_check(); |
|
6854
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|
5010 #endif // INCLUDE_JNI_CHECK |
| 0 | 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
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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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4137
diff
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|
5169 #ifdef GRAAL |
|
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Pass-by compilation broker.
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3540
diff
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|
5170 GraalCompiler* compiler = GraalCompiler::instance(); |
|
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3540
diff
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|
5171 ciObjectFactory::initialize(); |
|
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
5172 compiler->initialize(); |
|
4368
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
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|
5173 #endif |
|
3650
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Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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3540
diff
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|
5174 |
|
5747
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added basic high-level interpreter support to HotSpot
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diff
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|
5175 #ifdef HIGH_LEVEL_INTERPRETER |
|
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4970
diff
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|
5176 if (HighLevelInterpreterClass != NULL) { |
|
120820e30baa
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diff
changeset
|
5177 bool result = VMToInterpreter::allocate_interpreter(HighLevelInterpreterClass, HighLevelInterpreterArguments, thread); |
|
120820e30baa
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diff
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|
5178 if (!result) { |
|
120820e30baa
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diff
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|
5179 vm_abort(false); |
|
120820e30baa
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diff
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|
5180 return JNI_ERR; |
|
120820e30baa
added basic high-level interpreter support to HotSpot
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diff
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|
5181 } |
|
120820e30baa
added basic high-level interpreter support to HotSpot
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diff
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|
5182 } |
|
120820e30baa
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diff
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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 |
|
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diff
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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();) | |
|
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|
5199 NOT_PRODUCT(if (ReplayCompiles) ciReplay::replay(thread);) |
| 0 | 5200 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5201 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5202 } else { | |
| 5203 if (can_try_again) { | |
| 5204 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5205 safe_to_recreate_vm = 1; | |
| 5206 } | |
| 5207 | |
| 5208 // Creation failed. We must reset vm_created | |
| 5209 *vm = 0; | |
| 5210 *(JNIEnv**)penv = 0; | |
| 5211 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5212 // control both compiler and architectural-based reordering. | |
| 5213 OrderAccess::release_store(&vm_created, 0); | |
| 5214 } | |
| 5215 | |
|
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1290
diff
changeset
|
5216 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
| 3779 | 5217 NOT_PRODUCT(execute_internal_vm_tests()); |
| 0 | 5218 return result; |
| 5219 } | |
| 5220 | |
| 4006 | 5221 #ifndef USDT2 |
| 0 | 5222 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5223 JavaVM**, jsize, jsize*); | |
| 5224 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5225 #endif /* !USDT2 */ |
| 0 | 5226 |
| 5227 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5228 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5229 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5230 #ifndef USDT2 |
| 0 | 5231 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5232 vm_buf, bufLen, numVMs); | |
| 4006 | 5233 #else /* USDT2 */ |
| 5234 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5235 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5236 #endif /* USDT2 */ | |
| 0 | 5237 if (vm_created) { |
| 5238 if (numVMs != NULL) *numVMs = 1; | |
| 5239 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5240 } else { | |
| 5241 if (numVMs != NULL) *numVMs = 0; | |
| 5242 } | |
| 4006 | 5243 #ifndef USDT2 |
| 0 | 5244 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5245 #else /* USDT2 */ |
| 5246 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5247 JNI_OK); | |
| 5248 #endif /* USDT2 */ | |
| 0 | 5249 return JNI_OK; |
| 5250 } | |
| 5251 | |
| 5252 extern "C" { | |
| 5253 | |
| 4006 | 5254 #ifndef USDT2 |
| 0 | 5255 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5256 #else /* USDT2 */ |
| 5257 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5258 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5259 #endif /* USDT2 */ | |
| 0 | 5260 |
| 5261 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5262 #ifndef USDT2 |
| 0 | 5263 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5264 #else /* USDT2 */ |
| 5265 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5266 vm); | |
| 5267 #endif /* USDT2 */ | |
| 0 | 5268 jint res = JNI_ERR; |
| 5269 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5270 | |
| 5271 if (!vm_created) { | |
| 5272 res = JNI_ERR; | |
| 5273 return res; | |
| 5274 } | |
| 5275 | |
| 5276 JNIWrapper("DestroyJavaVM"); | |
| 5277 JNIEnv *env; | |
| 5278 JavaVMAttachArgs destroyargs; | |
| 5279 destroyargs.version = CurrentVersion; | |
| 5280 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5281 destroyargs.group = NULL; | |
| 5282 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5283 if (res != JNI_OK) { | |
| 5284 return res; | |
| 5285 } | |
| 5286 | |
| 5287 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5288 JavaThread* thread = JavaThread::current(); | |
| 5289 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5290 if (Threads::destroy_vm()) { | |
| 5291 // Should not change thread state, VM is gone | |
| 5292 vm_created = false; | |
| 5293 res = JNI_OK; | |
| 5294 return res; | |
| 5295 } else { | |
| 5296 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5297 res = JNI_ERR; | |
| 5298 return res; | |
| 5299 } | |
| 5300 } | |
| 5301 | |
| 5302 | |
| 5303 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5304 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5305 | |
| 5306 // Check below commented out from JDK1.2fcs as well | |
| 5307 /* | |
| 5308 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5309 return JNI_EVERSION; | |
| 5310 } | |
| 5311 */ | |
| 5312 | |
| 5313 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5314 if (t != NULL) { | |
| 5315 // If the thread has been attached this operation is a no-op | |
| 5316 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5317 return JNI_OK; | |
| 5318 } | |
| 5319 | |
| 5320 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5321 // ThreadsListEnumerator - see CR 6404306 | |
| 5322 JavaThread* thread = new JavaThread(true); | |
| 5323 | |
| 5324 // Set correct safepoint info. The thread is going to call into Java when | |
| 5325 // initializing the Java level thread object. Hence, the correct state must | |
| 5326 // be set in order for the Safepoint code to deal with it correctly. | |
| 5327 thread->set_thread_state(_thread_in_vm); | |
| 5328 // Must do this before initialize_thread_local_storage | |
| 5329 thread->record_stack_base_and_size(); | |
|
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|
5330 |
| 0 | 5331 thread->initialize_thread_local_storage(); |
| 5332 | |
| 5333 if (!os::create_attached_thread(thread)) { | |
| 5334 delete thread; | |
| 5335 return JNI_ERR; | |
| 5336 } | |
|
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5337 // Enable stack overflow checks |
|
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5338 thread->create_stack_guard_pages(); |
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|
5339 |
| 0 | 5340 thread->initialize_tlab(); |
| 5341 | |
|
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5342 thread->cache_global_variables(); |
|
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|
5343 |
| 0 | 5344 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5345 // not been added to the Thread list yet. | |
| 5346 { Threads_lock->lock_without_safepoint_check(); | |
| 5347 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5348 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5349 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5350 Threads::add(thread, daemon); | |
| 5351 Threads_lock->unlock(); | |
| 5352 } | |
| 5353 // Create thread group and name info from attach arguments | |
| 5354 oop group = NULL; | |
| 5355 char* thread_name = NULL; | |
| 5356 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5357 group = JNIHandles::resolve(args->group); | |
| 5358 thread_name = args->name; // may be NULL | |
| 5359 } | |
| 5360 if (group == NULL) group = Universe::main_thread_group(); | |
| 5361 | |
| 5362 // Create Java level thread object and attach it to this thread | |
| 5363 bool attach_failed = false; | |
| 5364 { | |
| 5365 EXCEPTION_MARK; | |
| 5366 HandleMark hm(THREAD); | |
| 5367 Handle thread_group(THREAD, group); | |
| 5368 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5369 if (HAS_PENDING_EXCEPTION) { | |
| 5370 CLEAR_PENDING_EXCEPTION; | |
| 5371 // cleanup outside the handle mark. | |
| 5372 attach_failed = true; | |
| 5373 } | |
| 5374 } | |
| 5375 | |
| 5376 if (attach_failed) { | |
| 5377 // Added missing cleanup | |
| 5378 thread->cleanup_failed_attach_current_thread(); | |
| 5379 return JNI_ERR; | |
| 5380 } | |
| 5381 | |
| 5382 // mark the thread as no longer attaching | |
| 5383 // this uses a fence to push the change through so we don't have | |
| 5384 // to regrab the threads_lock | |
| 4006 | 5385 thread->set_done_attaching_via_jni(); |
| 0 | 5386 |
| 5387 // Set java thread status. | |
| 5388 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5389 java_lang_Thread::RUNNABLE); | |
| 5390 | |
| 5391 // Notify the debugger | |
| 5392 if (JvmtiExport::should_post_thread_life()) { | |
| 5393 JvmtiExport::post_thread_start(thread); | |
| 5394 } | |
| 5395 | |
|
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5396 EVENT_BEGIN(TraceEventThreadStart, event); |
|
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5397 EVENT_COMMIT(event, |
|
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5398 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
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|
5399 |
| 0 | 5400 *(JNIEnv**)penv = thread->jni_environment(); |
| 5401 | |
| 5402 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5403 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5404 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5405 // needed. | |
| 5406 | |
| 5407 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5408 | |
| 5409 // Perform any platform dependent FPU setup | |
| 5410 os::setup_fpu(); | |
| 5411 | |
| 5412 return JNI_OK; | |
| 5413 } | |
| 5414 | |
| 5415 | |
| 5416 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5417 #ifndef USDT2 |
| 0 | 5418 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5419 #else /* USDT2 */ |
| 5420 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5421 vm, penv, _args); | |
| 5422 #endif /* USDT2 */ | |
| 0 | 5423 if (!vm_created) { |
| 4006 | 5424 #ifndef USDT2 |
| 0 | 5425 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5426 #else /* USDT2 */ |
| 5427 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5428 (uint32_t) JNI_ERR); | |
| 5429 #endif /* USDT2 */ | |
| 0 | 5430 return JNI_ERR; |
| 5431 } | |
| 5432 | |
| 5433 JNIWrapper("AttachCurrentThread"); | |
| 5434 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5435 #ifndef USDT2 |
| 0 | 5436 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5437 #else /* USDT2 */ |
| 5438 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5439 ret); | |
| 5440 #endif /* USDT2 */ | |
| 0 | 5441 return ret; |
| 5442 } | |
| 5443 | |
| 5444 | |
| 5445 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5446 #ifndef USDT2 |
| 0 | 5447 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5448 #else /* USDT2 */ |
| 5449 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5450 vm); | |
| 5451 #endif /* USDT2 */ | |
| 0 | 5452 VM_Exit::block_if_vm_exited(); |
| 5453 | |
| 5454 JNIWrapper("DetachCurrentThread"); | |
| 5455 | |
| 5456 // If the thread has been deattacted the operations is a no-op | |
| 5457 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5458 #ifndef USDT2 |
| 0 | 5459 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5460 #else /* USDT2 */ |
| 5461 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5462 JNI_OK); | |
| 5463 #endif /* USDT2 */ | |
| 0 | 5464 return JNI_OK; |
| 5465 } | |
| 5466 | |
| 5467 JavaThread* thread = JavaThread::current(); | |
| 5468 if (thread->has_last_Java_frame()) { | |
| 4006 | 5469 #ifndef USDT2 |
| 0 | 5470 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5471 #else /* USDT2 */ |
| 5472 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5473 (uint32_t) JNI_ERR); | |
| 5474 #endif /* USDT2 */ | |
| 0 | 5475 // Can't detach a thread that's running java, that can't work. |
| 5476 return JNI_ERR; | |
| 5477 } | |
| 5478 | |
| 5479 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5480 // middel of a safepoint operation | |
| 5481 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5482 | |
| 5483 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5484 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5485 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5486 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5487 // the removal of the guards is buried below in JavaThread::exit() | |
| 5488 // here. The abstraction should be more symmetrically either exposed | |
| 5489 // or hidden (e.g. it could probably be hidden in the same | |
| 5490 // (platform-dependent) methods where we do alternate stack | |
| 5491 // maintenance work?) | |
| 5492 thread->exit(false, JavaThread::jni_detach); | |
| 5493 delete thread; | |
| 5494 | |
| 4006 | 5495 #ifndef USDT2 |
| 0 | 5496 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5497 #else /* USDT2 */ |
| 5498 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5499 JNI_OK); | |
| 5500 #endif /* USDT2 */ | |
| 0 | 5501 return JNI_OK; |
| 5502 } | |
| 5503 | |
| 4006 | 5504 #ifndef USDT2 |
| 0 | 5505 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5506 #else /* USDT2 */ |
| 5507 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5508 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5509 #endif /* USDT2 */ | |
| 0 | 5510 |
| 5511 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5512 #ifndef USDT2 |
| 0 | 5513 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5514 #else /* USDT2 */ |
| 5515 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5516 vm, penv, version); | |
| 5517 #endif /* USDT2 */ | |
| 0 | 5518 jint ret = JNI_ERR; |
| 5519 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5520 | |
| 5521 if (!vm_created) { | |
| 5522 *penv = NULL; | |
| 5523 ret = JNI_EDETACHED; | |
| 5524 return ret; | |
| 5525 } | |
| 5526 | |
|
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|
5527 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5528 return ret; |
| 5529 } | |
| 5530 | |
| 5531 #ifndef JVMPI_VERSION_1 | |
| 5532 // need these in order to be polite about older agents | |
| 5533 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5534 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5535 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5536 #endif // !JVMPI_VERSION_1 | |
| 5537 | |
| 5538 Thread* thread = ThreadLocalStorage::thread(); | |
| 5539 if (thread != NULL && thread->is_Java_thread()) { | |
| 5540 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5541 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5542 ret = JNI_OK; | |
| 5543 return ret; | |
| 5544 | |
| 5545 } else if (version == JVMPI_VERSION_1 || | |
| 5546 version == JVMPI_VERSION_1_1 || | |
| 5547 version == JVMPI_VERSION_1_2) { | |
| 5548 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5549 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5550 ret = JNI_EVERSION; | |
| 5551 return ret; | |
| 5552 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5553 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5554 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5555 ret = JNI_EVERSION; | |
| 5556 return ret; | |
| 5557 } else { | |
| 5558 *penv = NULL; | |
| 5559 ret = JNI_EVERSION; | |
| 5560 return ret; | |
| 5561 } | |
| 5562 } else { | |
| 5563 *penv = NULL; | |
| 5564 ret = JNI_EDETACHED; | |
| 5565 return ret; | |
| 5566 } | |
| 5567 } | |
| 5568 | |
| 5569 | |
| 5570 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5571 #ifndef USDT2 |
| 0 | 5572 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5573 #else /* USDT2 */ |
| 5574 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5575 vm, penv, _args); | |
| 5576 #endif /* USDT2 */ | |
| 0 | 5577 if (!vm_created) { |
| 4006 | 5578 #ifndef USDT2 |
| 0 | 5579 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5580 #else /* USDT2 */ |
| 5581 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5582 (uint32_t) JNI_ERR); | |
| 5583 #endif /* USDT2 */ | |
| 0 | 5584 return JNI_ERR; |
| 5585 } | |
| 5586 | |
| 5587 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5588 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5589 #ifndef USDT2 |
| 0 | 5590 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5591 #else /* USDT2 */ |
| 5592 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5593 ret); | |
| 5594 #endif /* USDT2 */ | |
| 0 | 5595 return ret; |
| 5596 } | |
| 5597 | |
| 5598 | |
| 5599 } // End extern "C" | |
| 5600 | |
| 5601 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5602 NULL, | |
| 5603 NULL, | |
| 5604 NULL, | |
| 5605 | |
| 5606 jni_DestroyJavaVM, | |
| 5607 jni_AttachCurrentThread, | |
| 5608 jni_DetachCurrentThread, | |
| 5609 jni_GetEnv, | |
| 5610 jni_AttachCurrentThreadAsDaemon | |
| 5611 }; |