Mercurial > hg > graal-jvmci-8
annotate src/share/vm/prims/jni.cpp @ 23842:d109bda16490
Merge
| author | asaha |
|---|---|
| date | Tue, 05 Apr 2016 08:55:39 -0700 |
| parents | 392f8722fc51 |
| children | b5f3a471e646 20dbd8a8e6b7 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 23614 | 2 * Copyright (c) 1997, 2016, 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 #include "utilities/macros.hpp" |
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36 #if INCLUDE_ALL_GCS |
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37 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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38 #endif // INCLUDE_ALL_GCS |
| 6197 | 39 #include "memory/allocation.hpp" |
| 1972 | 40 #include "memory/allocation.inline.hpp" |
| 41 #include "memory/gcLocker.inline.hpp" | |
| 42 #include "memory/oopFactory.hpp" | |
| 43 #include "memory/universe.inline.hpp" | |
| 44 #include "oops/instanceKlass.hpp" | |
| 45 #include "oops/instanceOop.hpp" | |
| 46 #include "oops/markOop.hpp" | |
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47 #include "oops/method.hpp" |
| 1972 | 48 #include "oops/objArrayKlass.hpp" |
| 49 #include "oops/objArrayOop.hpp" | |
| 50 #include "oops/oop.inline.hpp" | |
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51 #include "oops/symbol.hpp" |
| 1972 | 52 #include "oops/typeArrayKlass.hpp" |
| 53 #include "oops/typeArrayOop.hpp" | |
| 54 #include "prims/jni.h" | |
| 55 #include "prims/jniCheck.hpp" | |
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56 #include "prims/jniExport.hpp" |
| 1972 | 57 #include "prims/jniFastGetField.hpp" |
| 58 #include "prims/jvm.h" | |
| 59 #include "prims/jvm_misc.hpp" | |
| 60 #include "prims/jvmtiExport.hpp" | |
| 61 #include "prims/jvmtiThreadState.hpp" | |
| 62 #include "runtime/compilationPolicy.hpp" | |
| 63 #include "runtime/fieldDescriptor.hpp" | |
| 64 #include "runtime/fprofiler.hpp" | |
| 65 #include "runtime/handles.inline.hpp" | |
| 66 #include "runtime/interfaceSupport.hpp" | |
| 67 #include "runtime/java.hpp" | |
| 68 #include "runtime/javaCalls.hpp" | |
| 69 #include "runtime/jfieldIDWorkaround.hpp" | |
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70 #include "runtime/orderAccess.inline.hpp" |
| 1972 | 71 #include "runtime/reflection.hpp" |
| 72 #include "runtime/sharedRuntime.hpp" | |
| 73 #include "runtime/signature.hpp" | |
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74 #include "runtime/thread.inline.hpp" |
| 1972 | 75 #include "runtime/vm_operations.hpp" |
| 20360 | 76 #include "services/memTracker.hpp" |
| 1972 | 77 #include "services/runtimeService.hpp" |
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78 #include "trace/tracing.hpp" |
| 1972 | 79 #include "utilities/defaultStream.hpp" |
| 80 #include "utilities/dtrace.hpp" | |
| 81 #include "utilities/events.hpp" | |
| 82 #include "utilities/histogram.hpp" | |
| 83 #ifdef TARGET_OS_FAMILY_linux | |
| 84 # include "os_linux.inline.hpp" | |
| 85 #endif | |
| 86 #ifdef TARGET_OS_FAMILY_solaris | |
| 87 # include "os_solaris.inline.hpp" | |
| 88 #endif | |
| 89 #ifdef TARGET_OS_FAMILY_windows | |
| 90 # include "os_windows.inline.hpp" | |
| 91 #endif | |
| 3960 | 92 #ifdef TARGET_OS_FAMILY_bsd |
| 93 # include "os_bsd.inline.hpp" | |
| 94 #endif | |
| 0 | 95 |
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96 static jint CurrentVersion = JNI_VERSION_1_8; |
| 0 | 97 |
| 98 | |
| 99 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 100 // '-return' probe regardless of the return path is taken out of the function. | |
| 101 // Methods that have multiple return paths use this to avoid having to | |
| 102 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 103 // since those macros can cause an immedate uninstrumented return. | |
| 104 // | |
| 105 // In order to get the return value, a reference to the variable containing | |
| 106 // the return value must be passed to the contructor of the object, and | |
| 107 // the return value must be set before return (since the mark object has | |
| 108 // a reference to it). | |
| 109 // | |
| 110 // Example: | |
| 111 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 112 // JNI_ENTRY(int, SomeFunc, ...) | |
| 113 // int return_value = 0; | |
| 114 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 115 // foo(CHECK_0) | |
| 116 // return_value = 5; | |
| 117 // return return_value; | |
| 118 // JNI_END | |
| 4006 | 119 #ifndef USDT2 |
| 0 | 120 #define DT_RETURN_MARK_DECL(name, type) \ |
| 121 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 122 DTRACE_ONLY( \ | |
| 123 class DTraceReturnProbeMark_##name { \ | |
| 124 public: \ | |
| 125 const type& _ret_ref; \ | |
| 126 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 127 ~DTraceReturnProbeMark_##name() { \ | |
| 128 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 129 } \ | |
| 130 } \ | |
| 131 ) | |
| 132 // Void functions are simpler since there's no return value | |
| 133 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 134 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 135 DTRACE_ONLY( \ | |
| 136 class DTraceReturnProbeMark_##name { \ | |
| 137 public: \ | |
| 138 ~DTraceReturnProbeMark_##name() { \ | |
| 139 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 140 } \ | |
| 141 } \ | |
| 142 ) | |
| 143 | |
| 4006 | 144 #else /* USDT2 */ |
| 145 | |
| 146 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 147 DTRACE_ONLY( \ | |
| 148 class DTraceReturnProbeMark_##name { \ | |
| 149 public: \ | |
| 150 const type& _ret_ref; \ | |
| 151 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 152 ~DTraceReturnProbeMark_##name() { \ | |
| 153 probe; \ | |
| 154 } \ | |
| 155 } \ | |
| 156 ) | |
| 157 // Void functions are simpler since there's no return value | |
| 158 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 159 DTRACE_ONLY( \ | |
| 160 class DTraceReturnProbeMark_##name { \ | |
| 161 public: \ | |
| 162 ~DTraceReturnProbeMark_##name() { \ | |
| 163 probe; \ | |
| 164 } \ | |
| 165 } \ | |
| 166 ) | |
| 167 #endif /* USDT2 */ | |
| 0 | 168 |
| 169 // Place these macros in the function to mark the return. Non-void | |
| 170 // functions need the type and address of the return value. | |
| 171 #define DT_RETURN_MARK(name, type, ref) \ | |
| 172 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 173 #define DT_VOID_RETURN_MARK(name) \ | |
| 174 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 175 | |
| 176 | |
| 177 // Use these to select distinct code for floating-point vs. non-floating point | |
| 178 // situations. Used from within common macros where we need slightly | |
| 179 // different behavior for Float/Double | |
| 180 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 181 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 182 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 183 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 184 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 185 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 186 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 187 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 188 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 189 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 190 FP_SELECT_##TypeName(intcode, fpcode) | |
| 191 | |
| 192 #define COMMA , | |
| 193 | |
| 194 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 195 // (dtrace doesn't do FP yet) | |
| 4006 | 196 #ifndef USDT2 |
| 0 | 197 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 198 FP_SELECT(TypeName, \ | |
| 199 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 200 #else /* USDT2 */ |
| 201 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 202 FP_SELECT(TypeName, \ | |
| 203 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 204 #endif /* USDT2 */ | |
| 0 | 205 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 206 FP_SELECT(TypeName, \ | |
| 207 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 208 | |
| 209 | |
| 210 // out-of-line helpers for class jfieldIDWorkaround: | |
| 211 | |
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212 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 213 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 214 uintptr_t as_uint = (uintptr_t) id; | |
| 215 intptr_t offset = raw_instance_offset(id); | |
| 216 if (is_checked_jfieldID(id)) { | |
| 217 if (!klass_hash_ok(k, id)) { | |
| 218 return false; | |
| 219 } | |
| 220 } | |
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221 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 222 } else { |
| 223 JNIid* result = (JNIid*) id; | |
| 224 #ifdef ASSERT | |
| 225 return result != NULL && result->is_static_field_id(); | |
| 226 #else | |
| 227 return result != NULL; | |
| 228 #endif | |
| 229 } | |
| 230 } | |
| 231 | |
| 232 | |
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233 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 234 if (offset <= small_offset_mask) { |
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235 Klass* field_klass = k; |
| 6983 | 236 Klass* super_klass = field_klass->super(); |
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237 // With compressed oops the most super class with nonstatic fields would |
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238 // be the owner of fields embedded in the header. |
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239 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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240 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 241 field_klass = super_klass; // super contains the field also |
| 6983 | 242 super_klass = field_klass->super(); |
| 0 | 243 } |
| 244 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 245 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 246 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 247 } else { | |
| 248 #if 0 | |
| 249 #ifndef PRODUCT | |
| 250 { | |
| 251 ResourceMark rm; | |
| 6983 | 252 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 253 } |
| 254 #endif | |
| 255 #endif | |
| 256 return 0; | |
| 257 } | |
| 258 } | |
| 259 | |
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260 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 261 uintptr_t as_uint = (uintptr_t) id; |
| 262 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 263 do { | |
| 264 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 265 // Could use a non-blocking query for identity_hash here... | |
| 266 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 267 return true; | |
| 6983 | 268 k = k->super(); |
| 0 | 269 } while (k != NULL); |
| 270 return false; | |
| 271 } | |
| 272 | |
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273 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 274 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 275 uintptr_t as_uint = (uintptr_t) id; | |
| 276 intptr_t offset = raw_instance_offset(id); | |
| 277 if (VerifyJNIFields) { | |
| 278 if (is_checked_jfieldID(id)) { | |
| 279 guarantee(klass_hash_ok(k, id), | |
| 280 "Bug in native code: jfieldID class must match object"); | |
| 281 } else { | |
| 282 #if 0 | |
| 283 #ifndef PRODUCT | |
| 284 if (Verbose) { | |
| 285 ResourceMark rm; | |
| 6983 | 286 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 287 } |
| 288 #endif | |
| 289 #endif | |
| 290 } | |
| 291 } | |
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292 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 293 "Bug in native code: jfieldID offset must address interior of object"); |
| 294 } | |
| 295 | |
| 296 // Wrapper to trace JNI functions | |
| 297 | |
| 298 #ifdef ASSERT | |
| 299 Histogram* JNIHistogram; | |
| 300 static volatile jint JNIHistogram_lock = 0; | |
| 301 | |
| 302 class JNITraceWrapper : public StackObj { | |
| 303 public: | |
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304 JNITraceWrapper(const char* format, ...) ATTRIBUTE_PRINTF(2, 3) { |
| 0 | 305 if (TraceJNICalls) { |
| 306 va_list ap; | |
| 307 va_start(ap, format); | |
| 308 tty->print("JNI "); | |
| 309 tty->vprint_cr(format, ap); | |
| 310 va_end(ap); | |
| 311 } | |
| 312 } | |
| 313 }; | |
| 314 | |
| 315 class JNIHistogramElement : public HistogramElement { | |
| 316 public: | |
| 317 JNIHistogramElement(const char* name); | |
| 318 }; | |
| 319 | |
| 320 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 321 _name = elementName; | |
| 322 uintx count = 0; | |
| 323 | |
| 324 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 325 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 326 count +=1; | |
| 327 if ( (WarnOnStalledSpinLock > 0) | |
| 328 && (count % WarnOnStalledSpinLock == 0)) { | |
| 329 warning("JNIHistogram_lock seems to be stalled"); | |
| 330 } | |
| 331 } | |
| 332 } | |
| 333 | |
| 334 | |
| 335 if(JNIHistogram == NULL) | |
| 336 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 337 | |
| 338 JNIHistogram->add_element(this); | |
| 339 Atomic::dec(&JNIHistogram_lock); | |
| 340 } | |
| 341 | |
| 342 #define JNICountWrapper(arg) \ | |
| 343 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 344 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 345 if (e != NULL) e->increment_count() | |
| 346 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 347 #else | |
| 348 #define JNIWrapper(arg) | |
| 349 #endif | |
| 350 | |
| 351 | |
| 352 // Implementation of JNI entries | |
| 353 | |
| 4006 | 354 #ifndef USDT2 |
| 0 | 355 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 356 #else /* USDT2 */ |
| 357 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 358 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 359 #endif /* USDT2 */ | |
| 0 | 360 |
| 361 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 362 const jbyte *buf, jsize bufLen)) | |
| 363 JNIWrapper("DefineClass"); | |
| 364 | |
| 4006 | 365 #ifndef USDT2 |
| 0 | 366 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 367 env, name, loaderRef, buf, bufLen); | |
| 4006 | 368 #else /* USDT2 */ |
| 369 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 370 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 371 #endif /* USDT2 */ | |
| 0 | 372 jclass cls = NULL; |
| 373 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 374 | |
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375 TempNewSymbol class_name = NULL; |
| 0 | 376 // Since exceptions can be thrown, class initialization can take place |
| 377 // if name is NULL no check for class name in .class stream has to be made. | |
| 378 if (name != NULL) { | |
| 379 const int str_len = (int)strlen(name); | |
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380 if (str_len > Symbol::max_length()) { |
| 0 | 381 // It's impossible to create this class; the name cannot fit |
| 382 // into the constant pool. | |
| 383 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 384 } | |
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385 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 386 } |
| 387 ResourceMark rm(THREAD); | |
| 388 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 389 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 390 | |
| 391 if (UsePerfData && !class_loader.is_null()) { | |
| 392 // check whether the current caller thread holds the lock or not. | |
| 393 // If not, increment the corresponding counter | |
| 394 if (ObjectSynchronizer:: | |
| 395 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 396 ObjectSynchronizer::owner_self) { | |
| 397 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 398 } | |
| 399 } | |
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400 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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401 Handle(), &st, true, |
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402 CHECK_NULL); |
| 0 | 403 |
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404 if (TraceClassResolution && k != NULL) { |
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405 trace_class_resolution(k); |
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406 } |
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407 |
| 0 | 408 cls = (jclass)JNIHandles::make_local( |
| 6983 | 409 env, k->java_mirror()); |
| 0 | 410 return cls; |
| 411 JNI_END | |
| 412 | |
| 413 | |
| 414 | |
| 415 static bool first_time_FindClass = true; | |
| 416 | |
| 4006 | 417 #ifndef USDT2 |
| 0 | 418 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 419 #else /* USDT2 */ |
| 420 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 421 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 422 #endif /* USDT2 */ | |
| 0 | 423 |
| 424 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 425 JNIWrapper("FindClass"); | |
| 4006 | 426 #ifndef USDT2 |
| 0 | 427 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 428 #else /* USDT2 */ |
| 429 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 430 env, (char *)name); | |
| 431 #endif /* USDT2 */ | |
| 0 | 432 |
| 433 jclass result = NULL; | |
| 434 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 435 | |
| 436 // Remember if we are the first invocation of jni_FindClass | |
| 437 bool first_time = first_time_FindClass; | |
| 438 first_time_FindClass = false; | |
| 439 | |
| 440 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 441 // name we can fit in the constant pool. | |
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442 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 443 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 444 } | |
| 445 | |
| 446 //%note jni_3 | |
| 447 Handle loader; | |
| 448 Handle protection_domain; | |
| 449 // Find calling class | |
| 450 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 451 if (k.not_null()) { | |
| 452 loader = Handle(THREAD, k->class_loader()); | |
| 453 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 454 // in the correct class context. | |
| 455 if (loader.is_null() && | |
| 456 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 457 JavaValue result(T_OBJECT); | |
| 458 JavaCalls::call_static(&result, k, | |
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459 vmSymbols::getFromClass_name(), |
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460 vmSymbols::void_class_signature(), |
| 0 | 461 thread); |
| 462 if (HAS_PENDING_EXCEPTION) { | |
| 463 Handle ex(thread, thread->pending_exception()); | |
| 464 CLEAR_PENDING_EXCEPTION; | |
| 465 THROW_HANDLE_0(ex); | |
| 466 } | |
| 467 oop mirror = (oop) result.get_jobject(); | |
| 468 loader = Handle(THREAD, | |
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469 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 470 protection_domain = Handle(THREAD, |
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471 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 472 } |
| 473 } else { | |
| 474 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 475 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 476 } | |
| 477 | |
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478 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 479 result = find_class_from_class_loader(env, sym, true, loader, |
| 480 protection_domain, true, thread); | |
| 481 | |
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482 if (TraceClassResolution && result != NULL) { |
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483 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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484 } |
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485 |
| 0 | 486 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 487 // rather than just allowing invocation counter to overflow and decay. | |
| 488 // Controlled by flag DelayCompilationDuringStartup. | |
| 489 if (first_time && !CompileTheWorld) | |
| 490 CompilationPolicy::completed_vm_startup(); | |
| 491 | |
| 492 return result; | |
| 493 JNI_END | |
| 494 | |
| 4006 | 495 #ifndef USDT2 |
| 0 | 496 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 497 #else /* USDT2 */ |
| 498 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 499 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 500 #endif /* USDT2 */ | |
| 0 | 501 |
| 502 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 503 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 504 #ifndef USDT2 |
| 0 | 505 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 506 #else /* USDT2 */ |
| 507 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 508 env, method); | |
| 509 #endif /* USDT2 */ | |
| 0 | 510 jmethodID ret = NULL; |
| 511 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 512 | |
| 513 // method is a handle to a java.lang.reflect.Method object | |
| 514 oop reflected = JNIHandles::resolve_non_null(method); | |
| 515 oop mirror = NULL; | |
| 516 int slot = 0; | |
| 517 | |
| 1142 | 518 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 519 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 520 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 521 } else { | |
| 1142 | 522 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 523 mirror = java_lang_reflect_Method::clazz(reflected); |
| 524 slot = java_lang_reflect_Method::slot(reflected); | |
| 525 } | |
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526 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 527 |
| 528 KlassHandle k1(THREAD, k); | |
| 529 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 530 k1()->initialize(CHECK_NULL); |
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531 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 532 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 533 return ret; | |
| 534 JNI_END | |
| 535 | |
| 4006 | 536 #ifndef USDT2 |
| 0 | 537 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 538 #else /* USDT2 */ |
| 539 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 540 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 541 #endif /* USDT2 */ | |
| 0 | 542 |
| 543 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 544 JNIWrapper("FromReflectedField"); | |
| 4006 | 545 #ifndef USDT2 |
| 0 | 546 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 547 #else /* USDT2 */ |
| 548 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 549 env, field); | |
| 550 #endif /* USDT2 */ | |
| 0 | 551 jfieldID ret = NULL; |
| 552 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 553 | |
| 554 // field is a handle to a java.lang.reflect.Field object | |
| 555 oop reflected = JNIHandles::resolve_non_null(field); | |
| 556 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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557 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 558 int slot = java_lang_reflect_Field::slot(reflected); |
| 559 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 560 | |
| 561 KlassHandle k1(THREAD, k); | |
| 562 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 563 k1()->initialize(CHECK_NULL); |
| 0 | 564 |
| 565 // First check if this is a static field | |
| 566 if (modifiers & JVM_ACC_STATIC) { | |
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567 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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568 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 569 assert(id != NULL, "corrupt Field object"); |
| 570 debug_only(id->set_is_static_field_id();) | |
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571 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 572 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 573 return ret; | |
| 574 } | |
| 575 | |
| 576 // The slot is the index of the field description in the field-array | |
| 577 // The jfieldID is the offset of the field within the object | |
| 578 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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579 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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580 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 581 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 582 return ret; | |
| 583 JNI_END | |
| 584 | |
| 4006 | 585 #ifndef USDT2 |
| 0 | 586 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 587 #else /* USDT2 */ |
| 588 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 589 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 590 #endif /* USDT2 */ | |
| 0 | 591 |
| 592 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 593 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 594 #ifndef USDT2 |
| 0 | 595 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 596 #else /* USDT2 */ |
| 597 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 598 env, cls, (uintptr_t) method_id, isStatic); | |
| 599 #endif /* USDT2 */ | |
| 0 | 600 jobject ret = NULL; |
| 601 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 602 | |
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603 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 604 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 605 oop reflection_method; | |
| 606 if (m->is_initializer()) { | |
| 607 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 608 } else { | |
| 609 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 610 } | |
| 611 ret = JNIHandles::make_local(env, reflection_method); | |
| 612 return ret; | |
| 613 JNI_END | |
| 614 | |
| 4006 | 615 #ifndef USDT2 |
| 0 | 616 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 617 #else /* USDT2 */ |
| 618 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 619 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 620 #endif /* USDT2 */ | |
| 0 | 621 |
| 622 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 623 JNIWrapper("GetSuperclass"); | |
| 4006 | 624 #ifndef USDT2 |
| 0 | 625 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 626 #else /* USDT2 */ |
| 627 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 628 env, sub); | |
| 629 #endif /* USDT2 */ | |
| 0 | 630 jclass obj = NULL; |
| 631 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 632 | |
| 633 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 634 // primitive classes return NULL | |
| 635 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 636 | |
| 637 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 638 // arrays return Object | |
| 639 // interfaces return NULL | |
| 640 // proper classes return Klass::super() | |
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641 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 642 if (k->is_interface()) return NULL; |
| 0 | 643 |
| 644 // return mirror for superclass | |
| 6983 | 645 Klass* super = k->java_super(); |
| 0 | 646 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 647 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 648 ? SystemDictionary::Object_klass() |
| 6983 | 649 : k->super() ) ); |
| 0 | 650 assert(super == super2, |
| 651 "java_super computation depends on interface, array, other super"); | |
| 6983 | 652 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 653 return obj; |
| 654 JNI_END | |
| 655 | |
| 656 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 657 JNIWrapper("IsSubclassOf"); | |
| 4006 | 658 #ifndef USDT2 |
| 0 | 659 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 660 #else /* USDT2 */ |
| 661 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 662 env, sub, super); | |
| 663 #endif /* USDT2 */ | |
| 0 | 664 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 665 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 666 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 667 java_lang_Class::is_primitive(super_mirror)) { | |
| 668 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 669 #ifndef USDT2 |
| 0 | 670 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 671 #else /* USDT2 */ |
| 672 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 673 ret); | |
| 674 #endif /* USDT2 */ | |
| 0 | 675 return ret; |
| 676 } | |
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677 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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678 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 679 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 680 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 681 JNI_TRUE : JNI_FALSE; |
| 4006 | 682 #ifndef USDT2 |
| 0 | 683 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 684 #else /* USDT2 */ |
| 685 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 686 ret); | |
| 687 #endif /* USDT2 */ | |
| 0 | 688 return ret; |
| 689 JNI_END | |
| 690 | |
| 4006 | 691 #ifndef USDT2 |
| 0 | 692 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 693 #else /* USDT2 */ |
| 694 DT_RETURN_MARK_DECL(Throw, jint | |
| 695 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 696 #endif /* USDT2 */ | |
| 0 | 697 |
| 698 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 699 JNIWrapper("Throw"); | |
| 4006 | 700 #ifndef USDT2 |
| 0 | 701 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 702 #else /* USDT2 */ |
| 703 HOTSPOT_JNI_THROW_ENTRY( | |
| 704 env, obj); | |
| 705 #endif /* USDT2 */ | |
| 0 | 706 jint ret = JNI_OK; |
| 707 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 708 | |
| 709 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 710 ShouldNotReachHere(); | |
| 711 JNI_END | |
| 712 | |
| 4006 | 713 #ifndef USDT2 |
| 0 | 714 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 715 #else /* USDT2 */ |
| 716 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 717 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 718 #endif /* USDT2 */ | |
| 0 | 719 |
| 720 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 721 JNIWrapper("ThrowNew"); | |
| 4006 | 722 #ifndef USDT2 |
| 0 | 723 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 724 #else /* USDT2 */ |
| 725 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 726 env, clazz, (char *) message); | |
| 727 #endif /* USDT2 */ | |
| 0 | 728 jint ret = JNI_OK; |
| 729 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 730 | |
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731 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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732 Symbol* name = k->name(); |
| 0 | 733 Handle class_loader (THREAD, k->class_loader()); |
| 734 Handle protection_domain (THREAD, k->protection_domain()); | |
| 735 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 736 ShouldNotReachHere(); | |
| 737 JNI_END | |
| 738 | |
| 739 | |
| 740 // JNI functions only transform a pending async exception to a synchronous | |
| 741 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 742 // delivering an async exception in other places won't change the native | |
| 743 // code's control flow and would be harmful when native code further calls | |
| 744 // JNI functions with a pending exception. Async exception is also checked | |
| 745 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 746 // false but deliver the async exception at the very end during | |
| 747 // state transition. | |
| 748 | |
| 749 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 750 assert(thread == Thread::current(), "must be itself"); | |
| 751 thread->check_and_handle_async_exceptions(); | |
| 752 } | |
| 753 | |
| 754 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 755 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 756 #ifndef USDT2 |
| 0 | 757 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 758 #else /* USDT2 */ |
| 759 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 760 env); | |
| 761 #endif /* USDT2 */ | |
| 0 | 762 jni_check_async_exceptions(thread); |
| 763 oop exception = thread->pending_exception(); | |
| 764 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 765 #ifndef USDT2 |
| 0 | 766 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 767 #else /* USDT2 */ |
| 768 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 769 ret); | |
| 770 #endif /* USDT2 */ | |
| 0 | 771 return ret; |
| 772 JNI_END | |
| 773 | |
| 774 | |
| 775 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 776 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 777 #ifndef USDT2 |
| 0 | 778 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 779 #else /* USDT2 */ |
| 780 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 781 env); | |
| 782 #endif /* USDT2 */ | |
| 0 | 783 if (thread->has_pending_exception()) { |
| 784 Handle ex(thread, thread->pending_exception()); | |
| 785 thread->clear_pending_exception(); | |
| 1142 | 786 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 787 // Don't print anything if we are being killed. |
| 788 } else { | |
| 789 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 790 if (thread != NULL && thread->threadObj() != NULL) { | |
| 791 ResourceMark rm(THREAD); | |
| 792 jio_fprintf(defaultStream::error_stream(), | |
| 793 "in thread \"%s\" ", thread->get_thread_name()); | |
| 794 } | |
| 1142 | 795 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 796 JavaValue result(T_VOID); |
| 797 JavaCalls::call_virtual(&result, | |
| 798 ex, | |
| 799 KlassHandle(THREAD, | |
| 1142 | 800 SystemDictionary::Throwable_klass()), |
|
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801 vmSymbols::printStackTrace_name(), |
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802 vmSymbols::void_method_signature(), |
| 0 | 803 THREAD); |
| 804 // If an exception is thrown in the call it gets thrown away. Not much | |
| 805 // we can do with it. The native code that calls this, does not check | |
| 806 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 807 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 808 // is expected. | |
| 809 CLEAR_PENDING_EXCEPTION; | |
| 810 } else { | |
| 811 ResourceMark rm(THREAD); | |
| 812 jio_fprintf(defaultStream::error_stream(), | |
| 813 ". Uncaught exception of type %s.", | |
| 6983 | 814 ex->klass()->external_name()); |
| 0 | 815 } |
| 816 } | |
| 817 } | |
| 4006 | 818 #ifndef USDT2 |
| 0 | 819 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 820 #else /* USDT2 */ |
| 821 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 822 ); | |
| 823 #endif /* USDT2 */ | |
| 0 | 824 JNI_END |
| 825 | |
| 826 | |
| 827 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 828 JNIWrapper("ExceptionClear"); | |
| 4006 | 829 #ifndef USDT2 |
| 0 | 830 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 831 #else /* USDT2 */ |
| 832 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 833 env); | |
| 834 #endif /* USDT2 */ | |
| 0 | 835 |
| 836 // The jni code might be using this API to clear java thrown exception. | |
| 837 // So just mark jvmti thread exception state as exception caught. | |
| 838 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 839 if (state != NULL && state->is_exception_detected()) { | |
| 840 state->set_exception_caught(); | |
| 841 } | |
| 842 thread->clear_pending_exception(); | |
| 4006 | 843 #ifndef USDT2 |
| 0 | 844 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 845 #else /* USDT2 */ |
| 846 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 847 ); | |
| 848 #endif /* USDT2 */ | |
| 0 | 849 JNI_END |
| 850 | |
| 851 | |
| 852 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 853 JNIWrapper("FatalError"); | |
| 4006 | 854 #ifndef USDT2 |
| 0 | 855 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 856 #else /* USDT2 */ |
| 857 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 858 env, (char *) msg); | |
| 859 #endif /* USDT2 */ | |
| 0 | 860 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 861 thread->print_stack(); | |
|
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862 os::abort(); // Dump core and abort |
| 0 | 863 JNI_END |
| 864 | |
| 865 | |
| 866 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 867 JNIWrapper("PushLocalFrame"); | |
| 4006 | 868 #ifndef USDT2 |
| 0 | 869 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 870 #else /* USDT2 */ |
| 871 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 872 env, capacity); | |
| 873 #endif /* USDT2 */ | |
| 0 | 874 //%note jni_11 |
|
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875 if (capacity < 0 || |
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876 ((MaxJNILocalCapacity > 0) && (capacity > MaxJNILocalCapacity))) { |
| 4006 | 877 #ifndef USDT2 |
| 0 | 878 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 879 #else /* USDT2 */ |
| 880 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 881 (uint32_t)JNI_ERR); | |
| 882 #endif /* USDT2 */ | |
| 0 | 883 return JNI_ERR; |
| 884 } | |
| 885 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 886 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 887 assert(new_handles != NULL, "should not be NULL"); | |
| 888 new_handles->set_pop_frame_link(old_handles); | |
| 889 thread->set_active_handles(new_handles); | |
| 890 jint ret = JNI_OK; | |
| 4006 | 891 #ifndef USDT2 |
| 0 | 892 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 893 #else /* USDT2 */ |
| 894 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 895 ret); | |
| 896 #endif /* USDT2 */ | |
| 0 | 897 return ret; |
| 898 JNI_END | |
| 899 | |
| 900 | |
| 901 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 902 JNIWrapper("PopLocalFrame"); | |
| 4006 | 903 #ifndef USDT2 |
| 0 | 904 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 905 #else /* USDT2 */ |
| 906 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 907 env, result); | |
| 908 #endif /* USDT2 */ | |
| 0 | 909 //%note jni_11 |
| 910 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 911 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 912 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 913 if (new_handles != NULL) { | |
| 914 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 915 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 916 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 917 // the release_block call will release the blocks. | |
| 918 thread->set_active_handles(new_handles); | |
| 919 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 920 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 921 result = JNIHandles::make_local(thread, result_handle()); | |
| 922 } | |
| 4006 | 923 #ifndef USDT2 |
| 0 | 924 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 925 #else /* USDT2 */ |
| 926 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 927 result); | |
| 928 #endif /* USDT2 */ | |
| 0 | 929 return result; |
| 930 JNI_END | |
| 931 | |
| 932 | |
| 933 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 934 JNIWrapper("NewGlobalRef"); | |
| 4006 | 935 #ifndef USDT2 |
| 0 | 936 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 937 #else /* USDT2 */ |
| 938 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 939 env, ref); | |
| 940 #endif /* USDT2 */ | |
| 0 | 941 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 942 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 943 #ifndef USDT2 |
| 0 | 944 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 945 #else /* USDT2 */ |
| 946 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 947 ret); | |
| 948 #endif /* USDT2 */ | |
| 0 | 949 return ret; |
| 950 JNI_END | |
| 951 | |
| 952 // Must be JNI_ENTRY (with HandleMark) | |
| 953 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 954 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 955 #ifndef USDT2 |
| 0 | 956 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 957 #else /* USDT2 */ |
| 958 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 959 env, ref); | |
| 960 #endif /* USDT2 */ | |
| 0 | 961 JNIHandles::destroy_global(ref); |
| 4006 | 962 #ifndef USDT2 |
| 0 | 963 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 964 #else /* USDT2 */ |
| 965 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 966 ); | |
| 967 #endif /* USDT2 */ | |
| 0 | 968 JNI_END |
| 969 | |
| 970 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 971 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 972 #ifndef USDT2 |
| 0 | 973 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 974 #else /* USDT2 */ |
| 975 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 976 env, obj); | |
| 977 #endif /* USDT2 */ | |
| 0 | 978 JNIHandles::destroy_local(obj); |
| 4006 | 979 #ifndef USDT2 |
| 0 | 980 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 981 #else /* USDT2 */ |
| 982 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 983 ); | |
| 984 #endif /* USDT2 */ | |
| 0 | 985 JNI_END |
| 986 | |
| 987 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 988 JNIWrapper("IsSameObject"); | |
| 4006 | 989 #ifndef USDT2 |
| 0 | 990 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 991 #else /* USDT2 */ |
| 992 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 993 env, r1, r2); | |
| 994 #endif /* USDT2 */ | |
| 0 | 995 oop a = JNIHandles::resolve(r1); |
| 996 oop b = JNIHandles::resolve(r2); | |
| 997 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 998 #ifndef USDT2 |
| 0 | 999 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1000 #else /* USDT2 */ |
| 1001 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1002 ret); | |
| 1003 #endif /* USDT2 */ | |
| 0 | 1004 return ret; |
| 1005 JNI_END | |
| 1006 | |
| 1007 | |
| 1008 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1009 JNIWrapper("NewLocalRef"); | |
| 4006 | 1010 #ifndef USDT2 |
| 0 | 1011 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1012 #else /* USDT2 */ |
| 1013 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1014 env, ref); | |
| 1015 #endif /* USDT2 */ | |
| 0 | 1016 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1017 #ifndef USDT2 |
| 0 | 1018 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1019 #else /* USDT2 */ |
| 1020 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1021 ret); | |
| 1022 #endif /* USDT2 */ | |
| 0 | 1023 return ret; |
| 1024 JNI_END | |
| 1025 | |
| 1026 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1027 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1028 #ifndef USDT2 |
| 0 | 1029 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1030 #else /* USDT2 */ |
| 1031 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1032 env, capacity); | |
| 1033 #endif /* USDT2 */ | |
| 0 | 1034 jint ret; |
|
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1036 ((MaxJNILocalCapacity <= 0) || (capacity <= MaxJNILocalCapacity))) { |
| 0 | 1037 ret = JNI_OK; |
| 1038 } else { | |
| 1039 ret = JNI_ERR; | |
| 1040 } | |
| 4006 | 1041 #ifndef USDT2 |
| 0 | 1042 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1043 #else /* USDT2 */ |
| 1044 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1045 ret); | |
| 1046 #endif /* USDT2 */ | |
| 0 | 1047 return ret; |
| 1048 JNI_END | |
| 1049 | |
| 1050 // Return the Handle Type | |
| 1051 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1052 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1053 #ifndef USDT2 |
| 0 | 1054 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1055 #else /* USDT2 */ |
| 1056 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1057 env, obj); | |
| 1058 #endif /* USDT2 */ | |
| 0 | 1059 jobjectRefType ret; |
| 1060 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1061 JNIHandles::is_frame_handle(thread, obj)) | |
| 1062 ret = JNILocalRefType; | |
| 1063 else if (JNIHandles::is_global_handle(obj)) | |
| 1064 ret = JNIGlobalRefType; | |
| 1065 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1066 ret = JNIWeakGlobalRefType; | |
| 1067 else | |
| 1068 ret = JNIInvalidRefType; | |
| 4006 | 1069 #ifndef USDT2 |
| 0 | 1070 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1071 #else /* USDT2 */ |
| 1072 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1073 (void *) ret); | |
| 1074 #endif /* USDT2 */ | |
| 0 | 1075 return ret; |
| 1076 JNI_END | |
| 1077 | |
| 1078 | |
| 1079 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1080 protected: | |
| 1081 JavaCallArguments* _arguments; | |
| 1082 | |
| 1083 virtual void get_bool () = 0; | |
| 1084 virtual void get_char () = 0; | |
| 1085 virtual void get_short () = 0; | |
| 1086 virtual void get_byte () = 0; | |
| 1087 virtual void get_int () = 0; | |
| 1088 virtual void get_long () = 0; | |
| 1089 virtual void get_float () = 0; | |
| 1090 virtual void get_double () = 0; | |
| 1091 virtual void get_object () = 0; | |
| 1092 | |
|
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1093 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1094 this->_return_type = T_ILLEGAL; |
| 1095 _arguments = NULL; | |
| 1096 } | |
| 1097 | |
| 1098 public: | |
| 1099 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1100 | |
| 1101 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1102 | |
| 1103 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1104 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1105 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1106 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1107 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1108 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1109 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1110 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1111 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1112 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1113 inline void do_void() { } | |
| 1114 | |
| 1115 JavaCallArguments* arguments() { return _arguments; } | |
| 1116 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1117 }; | |
| 1118 | |
| 1119 | |
| 1120 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1121 protected: | |
| 1122 va_list _ap; | |
| 1123 | |
|
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1124 inline void get_bool() { |
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1125 // Normalize boolean arguments from native code by converting 1-255 to JNI_TRUE and |
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1126 // 0 to JNI_FALSE. Boolean return values from native are normalized the same in |
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1127 // TemplateInterpreterGenerator::generate_result_handler_for and |
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1128 // SharedRuntime::generate_native_wrapper. |
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1129 jboolean b = va_arg(_ap, jint); |
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1130 _arguments->push_int((jint)(b == 0 ? JNI_FALSE : JNI_TRUE)); |
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1131 } |
| 0 | 1132 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg |
| 1133 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1134 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1135 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1136 | |
| 1137 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1138 | |
| 1139 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1140 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1141 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1142 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1143 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1144 | |
| 1145 inline void set_ap(va_list rap) { | |
| 1146 #ifdef va_copy | |
| 1147 va_copy(_ap, rap); | |
| 1148 #elif defined (__va_copy) | |
| 1149 __va_copy(_ap, rap); | |
| 1150 #else | |
| 1151 _ap = rap; | |
| 1152 #endif | |
| 1153 } | |
| 1154 | |
| 1155 public: | |
|
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1156 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1157 : JNI_ArgumentPusher(signature) { |
| 0 | 1158 set_ap(rap); |
| 1159 } | |
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1160 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1161 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1162 set_ap(rap); |
| 1163 } | |
| 1164 | |
| 1165 // Optimized path if we have the bitvector form of signature | |
| 1166 void iterate( uint64_t fingerprint ) { | |
| 1167 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1168 else { | |
| 1169 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1170 result_feature_mask); | |
| 1171 | |
| 1172 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1173 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1174 while ( 1 ) { | |
| 1175 switch ( fingerprint & parameter_feature_mask ) { | |
| 1176 case bool_parm: | |
|
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1177 get_bool(); |
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1178 break; |
| 0 | 1179 case char_parm: |
|
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1180 get_char(); |
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1181 break; |
| 0 | 1182 case short_parm: |
|
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1183 get_short(); |
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1184 break; |
| 0 | 1185 case byte_parm: |
|
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1186 get_byte(); |
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1187 break; |
| 0 | 1188 case int_parm: |
| 1189 get_int(); | |
| 1190 break; | |
| 1191 case obj_parm: | |
| 1192 get_object(); | |
| 1193 break; | |
| 1194 case long_parm: | |
| 1195 get_long(); | |
| 1196 break; | |
| 1197 case float_parm: | |
| 1198 get_float(); | |
| 1199 break; | |
| 1200 case double_parm: | |
| 1201 get_double(); | |
| 1202 break; | |
| 1203 case done_parm: | |
| 1204 return; | |
| 1205 break; | |
| 1206 default: | |
| 1207 ShouldNotReachHere(); | |
| 1208 break; | |
| 1209 } | |
| 1210 fingerprint >>= parameter_feature_size; | |
| 1211 } | |
| 1212 } | |
| 1213 } | |
| 1214 }; | |
| 1215 | |
| 1216 | |
| 1217 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1218 protected: | |
| 1219 const jvalue *_ap; | |
| 1220 | |
|
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1221 inline void get_bool() { |
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1222 // Normalize boolean arguments from native code by converting 1-255 to JNI_TRUE and |
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1223 // 0 to JNI_FALSE. Boolean return values from native are normalized the same in |
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1224 // TemplateInterpreterGenerator::generate_result_handler_for and |
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1225 // SharedRuntime::generate_native_wrapper. |
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1226 jboolean b = (_ap++)->z; |
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1227 _arguments->push_int((jint)(b == 0 ? JNI_FALSE : JNI_TRUE)); |
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1228 } |
| 0 | 1229 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } |
| 1230 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1231 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1232 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1233 | |
| 1234 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1235 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1236 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1237 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1238 | |
| 1239 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1240 | |
| 1241 public: | |
|
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1242 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1243 : JNI_ArgumentPusher(signature) { |
| 0 | 1244 set_ap(rap); |
| 1245 } | |
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1246 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
|
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1247 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1248 set_ap(rap); |
| 1249 } | |
| 1250 | |
| 1251 // Optimized path if we have the bitvector form of signature | |
| 1252 void iterate( uint64_t fingerprint ) { | |
| 1253 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1254 else { | |
| 1255 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1256 result_feature_mask); | |
| 1257 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1258 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1259 while ( 1 ) { | |
| 1260 switch ( fingerprint & parameter_feature_mask ) { | |
| 1261 case bool_parm: | |
| 1262 get_bool(); | |
| 1263 break; | |
| 1264 case char_parm: | |
| 1265 get_char(); | |
| 1266 break; | |
| 1267 case short_parm: | |
| 1268 get_short(); | |
| 1269 break; | |
| 1270 case byte_parm: | |
| 1271 get_byte(); | |
| 1272 break; | |
| 1273 case int_parm: | |
| 1274 get_int(); | |
| 1275 break; | |
| 1276 case obj_parm: | |
| 1277 get_object(); | |
| 1278 break; | |
| 1279 case long_parm: | |
| 1280 get_long(); | |
| 1281 break; | |
| 1282 case float_parm: | |
| 1283 get_float(); | |
| 1284 break; | |
| 1285 case double_parm: | |
| 1286 get_double(); | |
| 1287 break; | |
| 1288 case done_parm: | |
| 1289 return; | |
| 1290 break; | |
| 1291 default: | |
| 1292 ShouldNotReachHere(); | |
| 1293 break; | |
| 1294 } | |
| 1295 fingerprint >>= parameter_feature_size; | |
| 1296 } | |
| 1297 } | |
| 1298 } | |
| 1299 }; | |
| 1300 | |
| 1301 | |
| 1302 enum JNICallType { | |
| 1303 JNI_STATIC, | |
| 1304 JNI_VIRTUAL, | |
| 1305 JNI_NONVIRTUAL | |
| 1306 }; | |
| 1307 | |
| 1308 | |
| 1309 | |
| 1310 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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1311 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1312 |
| 1313 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1314 // the jni parser | |
| 1315 ResourceMark rm(THREAD); | |
| 1316 int number_of_parameters = method->size_of_parameters(); | |
| 1317 JavaCallArguments java_args(number_of_parameters); | |
| 1318 args->set_java_argument_object(&java_args); | |
| 1319 | |
| 1320 assert(method->is_static(), "method should be static"); | |
| 1321 | |
| 1322 // Fill out JavaCallArguments object | |
|
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1323 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1324 // Initialize result type |
| 1325 result->set_type(args->get_ret_type()); | |
| 1326 | |
| 1327 // Invoke the method. Result is returned as oop. | |
| 1328 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1329 | |
| 1330 // Convert result | |
| 1331 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1332 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1333 } | |
| 1334 } | |
| 1335 | |
| 1336 | |
| 1337 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1338 oop recv = JNIHandles::resolve(receiver); | |
| 1339 if (recv == NULL) { | |
| 1340 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1341 } | |
| 1342 Handle h_recv(THREAD, recv); | |
| 1343 | |
| 1344 int number_of_parameters; | |
|
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1345 Method* selected_method; |
| 0 | 1346 { |
|
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1347 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1348 number_of_parameters = m->size_of_parameters(); |
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1349 Klass* holder = m->method_holder(); |
|
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1350 if (call_type != JNI_VIRTUAL) { |
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1351 selected_method = m; |
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1352 } else if (!m->has_itable_index()) { |
| 0 | 1353 // non-interface call -- for that little speed boost, don't handlize |
| 1354 debug_only(No_Safepoint_Verifier nosafepoint;) | |
|
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1355 // jni_GetMethodID makes sure class is linked and initialized |
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1356 // so m should have a valid vtable index. |
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1357 assert(m->valid_vtable_index(), "no valid vtable index"); |
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1358 int vtbl_index = m->vtable_index(); |
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1359 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1360 Klass* k = h_recv->klass(); |
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1361 // k might be an arrayKlassOop but all vtables start at |
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1362 // the same place. The cast is to avoid virtual call and assertion. |
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1363 InstanceKlass *ik = (InstanceKlass*)k; |
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1364 selected_method = ik->method_at_vtable(vtbl_index); |
| 0 | 1365 } else { |
|
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1366 // final method |
| 0 | 1367 selected_method = m; |
| 1368 } | |
| 1369 } else { | |
| 1370 // interface call | |
| 1371 KlassHandle h_holder(THREAD, holder); | |
| 1372 | |
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1373 int itbl_index = m->itable_index(); |
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1374 Klass* k = h_recv->klass(); |
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1375 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1376 } |
| 1377 } | |
| 1378 | |
| 1379 methodHandle method(THREAD, selected_method); | |
| 1380 | |
| 1381 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1382 // the jni parser | |
| 1383 ResourceMark rm(THREAD); | |
| 1384 JavaCallArguments java_args(number_of_parameters); | |
| 1385 args->set_java_argument_object(&java_args); | |
| 1386 | |
| 1387 // handle arguments | |
| 1388 assert(!method->is_static(), "method should not be static"); | |
| 1389 args->push_receiver(h_recv); // Push jobject handle | |
| 1390 | |
| 1391 // Fill out JavaCallArguments object | |
|
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1392 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1393 // Initialize result type |
| 1394 result->set_type(args->get_ret_type()); | |
| 1395 | |
| 1396 // Invoke the method. Result is returned as oop. | |
| 1397 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1398 | |
| 1399 // Convert result | |
| 1400 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1401 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1402 } | |
| 1403 } | |
| 1404 | |
| 1405 | |
| 1406 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1407 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1408 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1409 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1410 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1411 return ih; |
| 1412 } | |
| 1413 | |
| 4006 | 1414 #ifndef USDT2 |
| 0 | 1415 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1416 #else /* USDT2 */ |
| 1417 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1418 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1419 #endif /* USDT2 */ | |
| 0 | 1420 |
| 1421 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1422 JNIWrapper("AllocObject"); | |
| 1423 | |
| 4006 | 1424 #ifndef USDT2 |
| 0 | 1425 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1426 #else /* USDT2 */ |
| 1427 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1428 env, clazz); | |
| 1429 #endif /* USDT2 */ | |
| 0 | 1430 jobject ret = NULL; |
| 1431 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1432 | |
| 1433 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1434 ret = JNIHandles::make_local(env, i); | |
| 1435 return ret; | |
| 1436 JNI_END | |
| 1437 | |
| 4006 | 1438 #ifndef USDT2 |
| 0 | 1439 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1440 #else /* USDT2 */ |
| 1441 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1442 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1443 #endif /* USDT2 */ | |
| 0 | 1444 |
| 1445 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1446 JNIWrapper("NewObjectA"); | |
| 4006 | 1447 #ifndef USDT2 |
| 0 | 1448 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1449 #else /* USDT2 */ |
| 1450 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1451 env, clazz, (uintptr_t) methodID); | |
| 1452 #endif /* USDT2 */ | |
| 0 | 1453 jobject obj = NULL; |
| 1454 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1455 | |
| 1456 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1457 obj = JNIHandles::make_local(env, i); | |
| 1458 JavaValue jvalue(T_VOID); | |
|
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1459 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1460 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1461 return obj; | |
| 1462 JNI_END | |
| 1463 | |
| 4006 | 1464 #ifndef USDT2 |
| 0 | 1465 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1466 #else /* USDT2 */ |
| 1467 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1468 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1469 #endif /* USDT2 */ | |
| 0 | 1470 |
| 1471 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1472 JNIWrapper("NewObjectV"); | |
| 4006 | 1473 #ifndef USDT2 |
| 0 | 1474 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1475 #else /* USDT2 */ |
| 1476 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1477 env, clazz, (uintptr_t) methodID); | |
| 1478 #endif /* USDT2 */ | |
| 0 | 1479 jobject obj = NULL; |
| 1480 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1481 | |
| 1482 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1483 obj = JNIHandles::make_local(env, i); | |
| 1484 JavaValue jvalue(T_VOID); | |
|
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1485 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1486 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1487 return obj; | |
| 1488 JNI_END | |
| 1489 | |
| 4006 | 1490 #ifndef USDT2 |
| 0 | 1491 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1492 #else /* USDT2 */ |
| 1493 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1494 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1495 #endif /* USDT2 */ | |
| 0 | 1496 |
| 1497 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1498 JNIWrapper("NewObject"); | |
| 4006 | 1499 #ifndef USDT2 |
| 0 | 1500 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1501 #else /* USDT2 */ |
| 1502 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1503 env, clazz, (uintptr_t) methodID); | |
| 1504 #endif /* USDT2 */ | |
| 0 | 1505 jobject obj = NULL; |
| 1506 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1507 | |
| 1508 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1509 obj = JNIHandles::make_local(env, i); | |
| 1510 va_list args; | |
| 1511 va_start(args, methodID); | |
| 1512 JavaValue jvalue(T_VOID); | |
|
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1513 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1514 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1515 va_end(args); | |
| 1516 return obj; | |
| 1517 JNI_END | |
| 1518 | |
| 1519 | |
| 1520 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1521 JNIWrapper("GetObjectClass"); | |
| 4006 | 1522 #ifndef USDT2 |
| 0 | 1523 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1524 #else /* USDT2 */ |
| 1525 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1526 env, obj); | |
| 1527 #endif /* USDT2 */ | |
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1528 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1529 jclass ret = |
| 6983 | 1530 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1531 #ifndef USDT2 |
| 0 | 1532 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1533 #else /* USDT2 */ |
| 1534 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1535 ret); | |
| 1536 #endif /* USDT2 */ | |
| 0 | 1537 return ret; |
| 1538 JNI_END | |
| 1539 | |
| 1540 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1541 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1542 #ifndef USDT2 |
| 0 | 1543 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1544 #else /* USDT2 */ |
| 1545 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1546 env, obj, clazz); | |
| 1547 #endif /* USDT2 */ | |
| 0 | 1548 jboolean ret = JNI_TRUE; |
| 1549 if (obj != NULL) { | |
| 1550 ret = JNI_FALSE; | |
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1551 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1552 JNIHandles::resolve_non_null(clazz)); |
| 1553 if (k != NULL) { | |
| 1554 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1555 } | |
| 1556 } | |
| 4006 | 1557 #ifndef USDT2 |
| 0 | 1558 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1559 #else /* USDT2 */ |
| 1560 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1561 ret); | |
| 1562 #endif /* USDT2 */ | |
| 0 | 1563 return ret; |
| 1564 JNI_END | |
| 1565 | |
| 1566 | |
| 1567 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1568 const char *sig, bool is_static, TRAPS) { | |
| 1569 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1570 // | |
| 1571 // The class should have been loaded (we have an instance of the class | |
| 1572 // passed in) so the method and signature should already be in the symbol | |
| 1573 // table. If they're not there, the method doesn't exist. | |
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1574 const char *name_to_probe = (name_str == NULL) |
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1575 ? vmSymbols::object_initializer_name()->as_C_string() |
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1576 : name_str; |
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1577 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1578 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1579 |
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1580 if (name == NULL || signature == NULL) { |
| 0 | 1581 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1582 } | |
| 1583 | |
| 1584 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1585 // primitive java.lang.Class | |
| 1586 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1587 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1588 } | |
| 1589 | |
| 1590 KlassHandle klass(THREAD, | |
|
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1591 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1592 |
| 1593 // Make sure class is linked and initialized before handing id's out to | |
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1594 // Method*s. |
| 6983 | 1595 klass()->initialize(CHECK_NULL); |
| 0 | 1596 |
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1597 Method* m; |
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1598 if (name == vmSymbols::object_initializer_name() || |
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1599 name == vmSymbols::class_initializer_name()) { |
| 0 | 1600 // Never search superclasses for constructors |
| 1601 if (klass->oop_is_instance()) { | |
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1602 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1603 } else { |
| 1604 m = NULL; | |
| 1605 } | |
| 1606 } else { | |
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1607 m = klass->lookup_method(name, signature); |
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1608 if (m == NULL && klass->oop_is_instance()) { |
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1609 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
| 0 | 1610 } |
| 1611 } | |
| 1612 if (m == NULL || (m->is_static() != is_static)) { | |
| 1613 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1614 } | |
| 1615 return m->jmethod_id(); | |
| 1616 } | |
| 1617 | |
| 1618 | |
| 1619 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1620 const char *name, const char *sig)) | |
| 1621 JNIWrapper("GetMethodID"); | |
| 4006 | 1622 #ifndef USDT2 |
| 0 | 1623 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1624 #else /* USDT2 */ |
| 1625 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1626 env, clazz, (char *) name, (char *) sig); | |
| 1627 #endif /* USDT2 */ | |
| 0 | 1628 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1629 #ifndef USDT2 |
| 0 | 1630 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1631 #else /* USDT2 */ |
| 1632 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1633 (uintptr_t) ret); | |
| 1634 #endif /* USDT2 */ | |
| 0 | 1635 return ret; |
| 1636 JNI_END | |
| 1637 | |
| 1638 | |
| 1639 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1640 const char *name, const char *sig)) | |
| 1641 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1642 #ifndef USDT2 |
| 0 | 1643 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1644 #else /* USDT2 */ |
| 1645 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1646 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1647 #endif /* USDT2 */ | |
| 0 | 1648 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1649 #ifndef USDT2 |
| 0 | 1650 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1651 #else /* USDT2 */ |
| 1652 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1653 (uintptr_t) ret); | |
| 1654 #endif /* USDT2 */ | |
| 0 | 1655 return ret; |
| 1656 JNI_END | |
| 1657 | |
| 1658 | |
| 1659 | |
| 1660 // | |
| 1661 // Calling Methods | |
| 1662 // | |
| 1663 | |
| 4006 | 1664 #ifndef USDT2 |
| 0 | 1665 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1666 \ | |
| 1667 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1668 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1669 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1670 \ | |
| 1671 JNI_ENTRY(ResultType, \ | |
| 1672 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1673 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1674 \ | |
| 4006 | 1675 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1676 ResultType ret = 0;\ |
| 1677 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1678 (const ResultType&)ret);\ | |
| 1679 \ | |
| 1680 va_list args; \ | |
| 1681 va_start(args, methodID); \ | |
| 1682 JavaValue jvalue(Tag); \ | |
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1683 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1684 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1685 va_end(args); \ | |
| 1686 ret = jvalue.get_##ResultType(); \ | |
| 1687 return ret;\ | |
| 1688 JNI_END \ | |
| 1689 \ | |
| 1690 \ | |
| 1691 JNI_ENTRY(ResultType, \ | |
| 1692 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1693 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1694 \ | |
| 4006 | 1695 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1696 ResultType ret = 0;\ |
| 1697 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1698 (const ResultType&)ret);\ | |
| 1699 \ | |
| 1700 JavaValue jvalue(Tag); \ | |
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1701 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1702 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1703 ret = jvalue.get_##ResultType(); \ | |
| 1704 return ret;\ | |
| 1705 JNI_END \ | |
| 1706 \ | |
| 1707 \ | |
| 1708 JNI_ENTRY(ResultType, \ | |
| 1709 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1710 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1711 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1712 ResultType ret = 0;\ |
| 1713 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1714 (const ResultType&)ret);\ | |
| 1715 \ | |
| 1716 JavaValue jvalue(Tag); \ | |
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1717 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1718 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1719 ret = jvalue.get_##ResultType(); \ | |
| 1720 return ret;\ | |
| 1721 JNI_END | |
| 1722 | |
| 1723 // the runtime type of subword integral basic types is integer | |
| 1724 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1725 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1726 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1727 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1728 | |
| 1729 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1730 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1731 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1732 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1733 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1734 | |
| 1735 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1736 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1737 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1738 | |
| 4006 | 1739 #else /* USDT2 */ |
| 1740 | |
| 1741 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1742 , EntryProbe, ReturnProbe) \ | |
| 1743 \ | |
| 1744 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1745 , ReturnProbe); \ | |
| 1746 \ | |
| 1747 JNI_ENTRY(ResultType, \ | |
| 1748 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1749 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1750 \ | |
| 1751 EntryProbe; \ | |
| 1752 ResultType ret = 0;\ | |
| 1753 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1754 (const ResultType&)ret);\ | |
| 1755 \ | |
| 1756 va_list args; \ | |
| 1757 va_start(args, methodID); \ | |
| 1758 JavaValue jvalue(Tag); \ | |
| 1759 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1760 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1761 va_end(args); \ | |
| 1762 ret = jvalue.get_##ResultType(); \ | |
| 1763 return ret;\ | |
| 1764 JNI_END | |
| 1765 | |
| 1766 // the runtime type of subword integral basic types is integer | |
| 1767 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1768 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1769 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1770 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1771 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1772 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1773 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1774 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1775 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1776 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1777 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1778 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1779 | |
| 1780 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1781 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1782 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1783 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1784 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1785 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1786 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1787 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1788 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1789 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1790 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1791 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1792 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1793 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1794 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1795 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1796 | |
| 1797 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1798 , EntryProbe, ReturnProbe) \ | |
| 1799 \ | |
| 1800 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1801 , ReturnProbe); \ | |
| 1802 \ | |
| 1803 JNI_ENTRY(ResultType, \ | |
| 1804 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1805 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1806 \ | |
| 1807 EntryProbe;\ | |
| 1808 ResultType ret = 0;\ | |
| 1809 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1810 (const ResultType&)ret);\ | |
| 1811 \ | |
| 1812 JavaValue jvalue(Tag); \ | |
| 1813 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1814 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1815 ret = jvalue.get_##ResultType(); \ | |
| 1816 return ret;\ | |
| 1817 JNI_END | |
| 1818 | |
| 1819 // the runtime type of subword integral basic types is integer | |
| 1820 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
|
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1821 , HOTSPOT_JNI_CALLBOOLEANMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1822 HOTSPOT_JNI_CALLBOOLEANMETHODV_RETURN(_ret_ref)) |
| 4006 | 1823 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE |
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1824 , HOTSPOT_JNI_CALLBYTEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1825 HOTSPOT_JNI_CALLBYTEMETHODV_RETURN(_ret_ref)) |
| 4006 | 1826 DEFINE_CALLMETHODV(jchar, Char, T_CHAR |
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1827 , HOTSPOT_JNI_CALLCHARMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1828 HOTSPOT_JNI_CALLCHARMETHODV_RETURN(_ret_ref)) |
| 4006 | 1829 DEFINE_CALLMETHODV(jshort, Short, T_SHORT |
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1830 , HOTSPOT_JNI_CALLSHORTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1831 HOTSPOT_JNI_CALLSHORTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1832 |
| 1833 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
|
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1834 , HOTSPOT_JNI_CALLOBJECTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1835 HOTSPOT_JNI_CALLOBJECTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1836 DEFINE_CALLMETHODV(jint, Int, T_INT, |
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1837 HOTSPOT_JNI_CALLINTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1838 HOTSPOT_JNI_CALLINTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1839 DEFINE_CALLMETHODV(jlong, Long, T_LONG |
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1840 , HOTSPOT_JNI_CALLLONGMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1841 HOTSPOT_JNI_CALLLONGMETHODV_RETURN(_ret_ref)) |
| 4006 | 1842 // Float and double probes don't return value because dtrace doesn't currently support it |
| 1843 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
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1844 , HOTSPOT_JNI_CALLFLOATMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1845 HOTSPOT_JNI_CALLFLOATMETHODV_RETURN()) |
| 4006 | 1846 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE |
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1847 , HOTSPOT_JNI_CALLDOUBLEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1848 HOTSPOT_JNI_CALLDOUBLEMETHODV_RETURN()) |
| 4006 | 1849 |
| 1850 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1851 , EntryProbe, ReturnProbe) \ | |
| 1852 \ | |
| 1853 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1854 , ReturnProbe); \ | |
| 1855 \ | |
| 1856 JNI_ENTRY(ResultType, \ | |
| 1857 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1858 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1859 EntryProbe; \ | |
| 1860 ResultType ret = 0;\ | |
| 1861 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1862 (const ResultType&)ret);\ | |
| 1863 \ | |
| 1864 JavaValue jvalue(Tag); \ | |
| 1865 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1866 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1867 ret = jvalue.get_##ResultType(); \ | |
| 1868 return ret;\ | |
| 1869 JNI_END | |
| 1870 | |
| 1871 // the runtime type of subword integral basic types is integer | |
| 1872 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
|
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1873 , HOTSPOT_JNI_CALLBOOLEANMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1874 HOTSPOT_JNI_CALLBOOLEANMETHODA_RETURN(_ret_ref)) |
| 4006 | 1875 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE |
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1876 , HOTSPOT_JNI_CALLBYTEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1877 HOTSPOT_JNI_CALLBYTEMETHODA_RETURN(_ret_ref)) |
| 4006 | 1878 DEFINE_CALLMETHODA(jchar, Char, T_CHAR |
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1879 , HOTSPOT_JNI_CALLCHARMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1880 HOTSPOT_JNI_CALLCHARMETHODA_RETURN(_ret_ref)) |
| 4006 | 1881 DEFINE_CALLMETHODA(jshort, Short, T_SHORT |
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1882 , HOTSPOT_JNI_CALLSHORTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1883 HOTSPOT_JNI_CALLSHORTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1884 |
| 1885 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
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1886 , HOTSPOT_JNI_CALLOBJECTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1887 HOTSPOT_JNI_CALLOBJECTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1888 DEFINE_CALLMETHODA(jint, Int, T_INT, |
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1889 HOTSPOT_JNI_CALLINTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1890 HOTSPOT_JNI_CALLINTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1891 DEFINE_CALLMETHODA(jlong, Long, T_LONG |
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1892 , HOTSPOT_JNI_CALLLONGMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1893 HOTSPOT_JNI_CALLLONGMETHODA_RETURN(_ret_ref)) |
| 4006 | 1894 // Float and double probes don't return value because dtrace doesn't currently support it |
| 1895 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
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1896 , HOTSPOT_JNI_CALLFLOATMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1897 HOTSPOT_JNI_CALLFLOATMETHODA_RETURN()) |
| 4006 | 1898 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE |
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1899 , HOTSPOT_JNI_CALLDOUBLEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1900 HOTSPOT_JNI_CALLDOUBLEMETHODA_RETURN()) |
| 4006 | 1901 |
| 1902 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1903 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1904 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1905 | |
| 1906 #endif /* USDT2 */ | |
| 1907 | |
| 0 | 1908 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1909 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1910 #ifndef USDT2 |
| 0 | 1911 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1912 #else /* USDT2 */ |
| 1913 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1914 env, obj, (uintptr_t) methodID); | |
| 1915 #endif /* USDT2 */ | |
| 0 | 1916 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1917 | |
| 1918 va_list args; | |
| 1919 va_start(args, methodID); | |
| 1920 JavaValue jvalue(T_VOID); | |
|
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1921 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1922 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1923 va_end(args); | |
| 1924 JNI_END | |
| 1925 | |
| 1926 | |
| 1927 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1928 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1929 #ifndef USDT2 |
| 0 | 1930 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1931 #else /* USDT2 */ |
| 1932 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1933 env, obj, (uintptr_t) methodID); | |
| 1934 #endif /* USDT2 */ | |
| 0 | 1935 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1936 | |
| 1937 JavaValue jvalue(T_VOID); | |
|
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1938 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1939 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1940 JNI_END | |
| 1941 | |
| 1942 | |
| 1943 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1944 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1945 #ifndef USDT2 |
| 0 | 1946 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1947 #else /* USDT2 */ |
| 1948 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1949 env, obj, (uintptr_t) methodID); | |
| 1950 #endif /* USDT2 */ | |
| 0 | 1951 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1952 | |
| 1953 JavaValue jvalue(T_VOID); | |
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1954 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1955 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1956 JNI_END | |
| 1957 | |
| 1958 | |
| 4006 | 1959 #ifndef USDT2 |
| 0 | 1960 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1961 \ | |
| 1962 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1963 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1964 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1965 \ | |
| 1966 JNI_ENTRY(ResultType, \ | |
| 1967 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1968 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1969 \ | |
| 1970 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1971 ResultType ret;\ | |
| 1972 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1973 (const ResultType&)ret);\ | |
| 1974 \ | |
| 1975 va_list args; \ | |
| 1976 va_start(args, methodID); \ | |
| 1977 JavaValue jvalue(Tag); \ | |
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1978 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1979 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1980 va_end(args); \ | |
| 1981 ret = jvalue.get_##ResultType(); \ | |
| 1982 return ret;\ | |
| 1983 JNI_END \ | |
| 1984 \ | |
| 1985 JNI_ENTRY(ResultType, \ | |
| 1986 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1987 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 1988 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 1989 ResultType ret;\ | |
| 1990 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1991 (const ResultType&)ret);\ | |
| 1992 \ | |
| 1993 JavaValue jvalue(Tag); \ | |
|
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1994 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1995 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1996 ret = jvalue.get_##ResultType(); \ | |
| 1997 return ret;\ | |
| 1998 JNI_END \ | |
| 1999 \ | |
| 2000 JNI_ENTRY(ResultType, \ | |
| 2001 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2002 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2003 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 2004 ResultType ret;\ | |
| 2005 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2006 (const ResultType&)ret);\ | |
| 2007 \ | |
| 2008 JavaValue jvalue(Tag); \ | |
|
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2009 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2010 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2011 ret = jvalue.get_##ResultType(); \ | |
| 2012 return ret;\ | |
| 2013 JNI_END | |
| 2014 | |
| 2015 // the runtime type of subword integral basic types is integer | |
| 2016 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2017 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2018 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2019 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2020 | |
| 2021 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2022 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2023 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2024 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2025 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2026 | |
| 2027 | |
| 2028 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2029 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2030 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2031 | |
| 4006 | 2032 #else /* USDT2 */ |
| 2033 | |
| 2034 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2035 , EntryProbe, ReturnProbe) \ | |
| 2036 \ | |
| 2037 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2038 , ReturnProbe);\ | |
| 2039 \ | |
| 2040 JNI_ENTRY(ResultType, \ | |
| 2041 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2042 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2043 \ | |
| 2044 EntryProbe;\ | |
| 2045 ResultType ret;\ | |
| 2046 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2047 (const ResultType&)ret);\ | |
| 2048 \ | |
| 2049 va_list args; \ | |
| 2050 va_start(args, methodID); \ | |
| 2051 JavaValue jvalue(Tag); \ | |
| 2052 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2053 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2054 va_end(args); \ | |
| 2055 ret = jvalue.get_##ResultType(); \ | |
| 2056 return ret;\ | |
| 2057 JNI_END | |
| 2058 | |
| 2059 // the runtime type of subword integral basic types is integer | |
| 2060 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2061 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2062 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2063 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2064 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2065 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2066 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2067 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2068 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2069 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2070 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2071 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2072 | |
| 2073 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2074 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2075 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2076 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2077 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2078 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2079 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2080 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2081 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2082 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2083 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2084 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2085 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2086 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2087 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2088 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2089 | |
| 2090 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2091 , EntryProbe, ReturnProbe) \ | |
| 2092 \ | |
| 2093 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2094 , ReturnProbe);\ | |
| 2095 \ | |
| 2096 JNI_ENTRY(ResultType, \ | |
| 2097 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2098 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2099 \ | |
| 2100 EntryProbe;\ | |
| 2101 ResultType ret;\ | |
| 2102 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2103 (const ResultType&)ret);\ | |
| 2104 \ | |
| 2105 JavaValue jvalue(Tag); \ | |
| 2106 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2107 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2108 ret = jvalue.get_##ResultType(); \ | |
| 2109 return ret;\ | |
| 2110 JNI_END | |
| 2111 | |
| 2112 // the runtime type of subword integral basic types is integer | |
| 2113 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2114 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2115 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2116 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2117 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2118 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2119 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2120 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2121 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2122 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2123 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2124 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2125 | |
| 2126 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2127 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2128 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2129 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2130 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2131 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2132 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2133 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2134 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2135 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2136 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2137 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2138 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2139 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2140 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2141 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2142 | |
| 2143 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2144 , EntryProbe, ReturnProbe) \ | |
| 2145 \ | |
| 2146 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2147 , ReturnProbe);\ | |
| 2148 \ | |
| 2149 JNI_ENTRY(ResultType, \ | |
| 2150 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2151 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2152 \ | |
| 2153 EntryProbe;\ | |
| 2154 ResultType ret;\ | |
| 2155 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2156 (const ResultType&)ret);\ | |
| 2157 \ | |
| 2158 JavaValue jvalue(Tag); \ | |
| 2159 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2160 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2161 ret = jvalue.get_##ResultType(); \ | |
| 2162 return ret;\ | |
| 2163 JNI_END | |
| 2164 | |
| 2165 // the runtime type of subword integral basic types is integer | |
| 2166 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2167 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2168 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2169 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2170 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2171 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2172 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2173 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2174 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2175 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2176 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2177 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2178 | |
| 2179 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2180 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2181 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2182 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2183 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2184 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2185 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2186 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2187 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2188 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2189 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2190 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2191 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2192 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2193 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2194 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2195 | |
| 2196 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2197 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2198 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2199 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2200 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2201 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2202 #endif /* USDT2 */ | |
| 2203 | |
| 0 | 2204 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2205 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2206 | |
| 4006 | 2207 #ifndef USDT2 |
| 0 | 2208 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2209 env, obj, cls, methodID); | |
| 4006 | 2210 #else /* USDT2 */ |
| 2211 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2212 env, obj, cls, (uintptr_t) methodID); | |
| 2213 #endif /* USDT2 */ | |
| 0 | 2214 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2215 | |
| 2216 va_list args; | |
| 2217 va_start(args, methodID); | |
| 2218 JavaValue jvalue(T_VOID); | |
|
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2219 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2220 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2221 va_end(args); | |
| 2222 JNI_END | |
| 2223 | |
| 2224 | |
| 2225 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2226 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2227 | |
| 4006 | 2228 #ifndef USDT2 |
| 0 | 2229 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2230 env, obj, cls, methodID); | |
| 4006 | 2231 #else /* USDT2 */ |
| 2232 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2233 env, obj, cls, (uintptr_t) methodID); | |
| 2234 #endif /* USDT2 */ | |
| 0 | 2235 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2236 | |
| 2237 JavaValue jvalue(T_VOID); | |
|
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2238 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2239 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2240 JNI_END | |
| 2241 | |
| 2242 | |
| 2243 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2244 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2245 #ifndef USDT2 |
| 0 | 2246 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2247 env, obj, cls, methodID); | |
| 4006 | 2248 #else /* USDT2 */ |
| 2249 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2250 env, obj, cls, (uintptr_t) methodID); | |
| 2251 #endif /* USDT2 */ | |
| 0 | 2252 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2253 JavaValue jvalue(T_VOID); | |
|
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|
2254 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2255 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2256 JNI_END | |
| 2257 | |
| 2258 | |
| 4006 | 2259 #ifndef USDT2 |
| 0 | 2260 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2261 \ | |
| 2262 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2263 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2264 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2265 \ | |
| 2266 JNI_ENTRY(ResultType, \ | |
| 2267 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2268 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2269 \ | |
| 2270 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2271 ResultType ret = 0;\ | |
| 2272 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2273 (const ResultType&)ret);\ | |
| 2274 \ | |
| 2275 va_list args; \ | |
| 2276 va_start(args, methodID); \ | |
| 2277 JavaValue jvalue(Tag); \ | |
|
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2278 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2279 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2280 va_end(args); \ | |
| 2281 ret = jvalue.get_##ResultType(); \ | |
| 2282 return ret;\ | |
| 2283 JNI_END \ | |
| 2284 \ | |
| 2285 JNI_ENTRY(ResultType, \ | |
| 2286 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2287 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2288 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2289 ResultType ret = 0;\ | |
| 2290 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2291 (const ResultType&)ret);\ | |
| 2292 \ | |
| 2293 JavaValue jvalue(Tag); \ | |
|
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|
2294 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2295 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2296 ret = jvalue.get_##ResultType(); \ | |
| 2297 return ret;\ | |
| 2298 JNI_END \ | |
| 2299 \ | |
| 2300 JNI_ENTRY(ResultType, \ | |
| 2301 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2302 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2303 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2304 ResultType ret = 0;\ | |
| 2305 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2306 (const ResultType&)ret);\ | |
| 2307 \ | |
| 2308 JavaValue jvalue(Tag); \ | |
|
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|
2309 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2310 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2311 ret = jvalue.get_##ResultType(); \ | |
| 2312 return ret;\ | |
| 2313 JNI_END | |
| 2314 | |
| 2315 // the runtime type of subword integral basic types is integer | |
| 2316 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2317 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2318 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2319 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2320 | |
| 2321 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2322 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2323 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2324 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2325 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2326 | |
| 2327 | |
| 2328 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2329 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2330 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2331 | |
| 4006 | 2332 #else /* USDT2 */ |
| 2333 | |
| 2334 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2335 , EntryProbe, ResultProbe) \ | |
| 2336 \ | |
| 2337 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2338 , ResultProbe); \ | |
| 2339 \ | |
| 2340 JNI_ENTRY(ResultType, \ | |
| 2341 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2342 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2343 \ | |
| 2344 EntryProbe; \ | |
| 2345 ResultType ret = 0;\ | |
| 2346 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2347 (const ResultType&)ret);\ | |
| 2348 \ | |
| 2349 va_list args; \ | |
| 2350 va_start(args, methodID); \ | |
| 2351 JavaValue jvalue(Tag); \ | |
| 2352 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2353 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2354 va_end(args); \ | |
| 2355 ret = jvalue.get_##ResultType(); \ | |
| 2356 return ret;\ | |
| 2357 JNI_END | |
| 2358 | |
| 2359 // the runtime type of subword integral basic types is integer | |
| 2360 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2361 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2362 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2363 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2364 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2365 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2366 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2367 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2368 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2369 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2370 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2371 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2372 | |
| 2373 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2374 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2375 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2376 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2377 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2378 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2379 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2380 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2381 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2382 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2383 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2384 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2385 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2386 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2387 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2388 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2389 | |
| 2390 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2391 , EntryProbe, ResultProbe) \ | |
| 2392 \ | |
| 2393 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2394 , ResultProbe); \ | |
| 2395 \ | |
| 2396 JNI_ENTRY(ResultType, \ | |
| 2397 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2398 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2399 \ | |
| 2400 EntryProbe; \ | |
| 2401 ResultType ret = 0;\ | |
| 2402 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2403 (const ResultType&)ret);\ | |
| 2404 \ | |
| 2405 JavaValue jvalue(Tag); \ | |
| 2406 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2407 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
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2408 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2409 k()->initialize(CHECK_0); \ |
| 4006 | 2410 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2411 va_end(args); \ | |
| 2412 ret = jvalue.get_##ResultType(); \ | |
| 2413 return ret;\ | |
| 2414 JNI_END | |
| 2415 | |
| 2416 // the runtime type of subword integral basic types is integer | |
| 2417 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2418 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2419 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2420 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2421 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2422 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2423 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2424 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2425 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2426 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2427 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2428 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2429 | |
| 2430 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2431 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2432 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2433 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2434 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2435 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2436 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2437 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2438 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2439 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2440 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2441 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2442 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2443 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2444 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2445 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2446 | |
| 2447 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2448 , EntryProbe, ResultProbe) \ | |
| 2449 \ | |
| 2450 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2451 , ResultProbe); \ | |
| 2452 \ | |
| 2453 JNI_ENTRY(ResultType, \ | |
| 2454 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2455 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2456 \ | |
| 2457 EntryProbe; \ | |
| 2458 ResultType ret = 0;\ | |
| 2459 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2460 (const ResultType&)ret);\ | |
| 2461 \ | |
| 2462 JavaValue jvalue(Tag); \ | |
| 2463 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2464 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2465 ret = jvalue.get_##ResultType(); \ | |
| 2466 return ret;\ | |
| 2467 JNI_END | |
| 2468 | |
| 2469 // the runtime type of subword integral basic types is integer | |
| 2470 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2471 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2472 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2473 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2474 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2475 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2476 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2477 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2478 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2479 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2480 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2481 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2482 | |
| 2483 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2484 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2485 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2486 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2487 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2488 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2489 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2490 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2491 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2492 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2493 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2494 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2495 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2496 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2497 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2498 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2499 | |
| 2500 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2501 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2502 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2503 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2504 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2505 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2506 #endif /* USDT2 */ | |
| 2507 | |
| 0 | 2508 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2509 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2510 #ifndef USDT2 |
| 0 | 2511 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2512 #else /* USDT2 */ |
| 2513 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2514 env, cls, (uintptr_t) methodID); | |
| 2515 #endif /* USDT2 */ | |
| 0 | 2516 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2517 | |
| 2518 va_list args; | |
| 2519 va_start(args, methodID); | |
| 2520 JavaValue jvalue(T_VOID); | |
|
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2521 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2522 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2523 va_end(args); | |
| 2524 JNI_END | |
| 2525 | |
| 2526 | |
| 2527 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2528 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2529 #ifndef USDT2 |
| 0 | 2530 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2531 #else /* USDT2 */ |
| 2532 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2533 env, cls, (uintptr_t) methodID); | |
| 2534 #endif /* USDT2 */ | |
| 0 | 2535 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2536 | |
| 2537 JavaValue jvalue(T_VOID); | |
|
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2538 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2539 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2540 JNI_END | |
| 2541 | |
| 2542 | |
| 2543 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2544 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2545 #ifndef USDT2 |
| 0 | 2546 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2547 #else /* USDT2 */ |
| 2548 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2549 env, cls, (uintptr_t) methodID); | |
| 2550 #endif /* USDT2 */ | |
| 0 | 2551 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2552 | |
| 2553 JavaValue jvalue(T_VOID); | |
|
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2554 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2555 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2556 JNI_END | |
| 2557 | |
| 2558 | |
| 2559 // | |
| 2560 // Accessing Fields | |
| 2561 // | |
| 2562 | |
| 2563 | |
| 4006 | 2564 #ifndef USDT2 |
| 0 | 2565 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2566 #else /* USDT2 */ |
| 2567 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2568 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2569 #endif /* USDT2 */ | |
| 0 | 2570 |
| 2571 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2572 const char *name, const char *sig)) | |
| 2573 JNIWrapper("GetFieldID"); | |
| 4006 | 2574 #ifndef USDT2 |
| 0 | 2575 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2576 #else /* USDT2 */ |
| 2577 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2578 env, clazz, (char *) name, (char *) sig); | |
| 2579 #endif /* USDT2 */ | |
| 0 | 2580 jfieldID ret = 0; |
| 2581 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2582 | |
| 2583 // The class should have been loaded (we have an instance of the class | |
| 2584 // passed in) so the field and signature should already be in the symbol | |
| 2585 // table. If they're not there, the field doesn't exist. | |
|
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2586 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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2587 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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2588 if (fieldname == NULL || signame == NULL) { |
| 0 | 2589 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2590 } | |
| 2591 KlassHandle k(THREAD, | |
|
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2592 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2593 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2594 k()->initialize(CHECK_NULL); |
| 0 | 2595 |
| 2596 fieldDescriptor fd; | |
| 6983 | 2597 if (!k()->oop_is_instance() || |
|
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2598 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2599 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2600 } | |
| 2601 | |
| 2602 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2603 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2604 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2605 return ret; | |
| 2606 JNI_END | |
| 2607 | |
| 2608 | |
| 2609 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2610 JNIWrapper("GetObjectField"); | |
| 4006 | 2611 #ifndef USDT2 |
| 0 | 2612 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2613 #else /* USDT2 */ |
| 2614 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2615 env, obj, (uintptr_t) fieldID); | |
| 2616 #endif /* USDT2 */ | |
| 0 | 2617 oop o = JNIHandles::resolve_non_null(obj); |
|
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2618 Klass* k = o->klass(); |
| 0 | 2619 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2620 // Keep JVMTI addition small and only check enabled flag here. | |
| 2621 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2622 if (JvmtiExport::should_post_field_access()) { | |
| 2623 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2624 } | |
| 2625 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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2626 #if INCLUDE_ALL_GCS |
|
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2627 // If G1 is enabled and we are accessing the value of the referent |
|
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2628 // field in a reference object then we need to register a non-null |
|
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2629 // referent with the SATB barrier. |
|
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|
2630 if (UseG1GC) { |
|
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|
2631 bool needs_barrier = false; |
|
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|
2632 |
|
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|
2633 if (ret != NULL && |
|
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|
2634 offset == java_lang_ref_Reference::referent_offset && |
|
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2635 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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|
2636 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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|
2637 needs_barrier = true; |
|
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|
2638 } |
|
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|
2639 |
|
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|
2640 if (needs_barrier) { |
|
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|
2641 oop referent = JNIHandles::resolve(ret); |
|
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|
2642 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2643 } |
|
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|
2644 } |
|
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|
2645 #endif // INCLUDE_ALL_GCS |
| 4006 | 2646 #ifndef USDT2 |
| 0 | 2647 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2648 #else /* USDT2 */ |
| 2649 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2650 ret); | |
| 2651 #endif /* USDT2 */ | |
| 0 | 2652 return ret; |
| 2653 JNI_END | |
| 2654 | |
| 2655 | |
| 4006 | 2656 #ifndef USDT2 |
| 0 | 2657 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2658 \ | |
| 2659 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2660 \ | |
| 2661 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2662 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2663 \ | |
| 2664 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2665 Return ret = 0;\ | |
| 2666 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2667 \ | |
| 2668 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2669 Klass* k = o->klass(); \ |
| 0 | 2670 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2671 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2672 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2673 /* and creates a ResetNoHandleMark. */ \ | |
| 2674 if (JvmtiExport::should_post_field_access()) { \ | |
| 2675 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2676 } \ | |
| 2677 ret = o->Fieldname##_field(offset); \ | |
| 2678 return ret; \ | |
| 2679 JNI_END | |
| 2680 | |
| 2681 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2682 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2683 DEFINE_GETFIELD(jchar, char, Char) | |
| 2684 DEFINE_GETFIELD(jshort, short, Short) | |
| 2685 DEFINE_GETFIELD(jint, int, Int) | |
| 2686 DEFINE_GETFIELD(jlong, long, Long) | |
| 2687 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2688 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2689 | |
| 4006 | 2690 #else /* USDT2 */ |
| 2691 | |
| 2692 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2693 , EntryProbe, ReturnProbe) \ | |
| 2694 \ | |
| 2695 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2696 , ReturnProbe); \ | |
| 2697 \ | |
| 2698 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2699 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2700 \ | |
| 2701 EntryProbe; \ | |
| 2702 Return ret = 0;\ | |
| 2703 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2704 \ | |
| 2705 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2706 Klass* k = o->klass(); \ |
| 4006 | 2707 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2708 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2709 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2710 /* and creates a ResetNoHandleMark. */ \ | |
| 2711 if (JvmtiExport::should_post_field_access()) { \ | |
| 2712 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2713 } \ | |
| 2714 ret = o->Fieldname##_field(offset); \ | |
| 2715 return ret; \ | |
| 2716 JNI_END | |
| 2717 | |
| 2718 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2719 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2720 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2721 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2722 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2723 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2724 DEFINE_GETFIELD(jchar, char, Char | |
| 2725 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2726 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2727 DEFINE_GETFIELD(jshort, short, Short | |
| 2728 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2729 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2730 DEFINE_GETFIELD(jint, int, Int | |
| 2731 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2732 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2733 DEFINE_GETFIELD(jlong, long, Long | |
| 2734 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2735 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2736 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2737 DEFINE_GETFIELD(jfloat, float, Float | |
| 2738 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2739 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2740 DEFINE_GETFIELD(jdouble, double, Double | |
| 2741 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2742 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2743 #endif /* USDT2 */ | |
| 2744 | |
| 0 | 2745 address jni_GetBooleanField_addr() { |
| 2746 return (address)jni_GetBooleanField; | |
| 2747 } | |
| 2748 address jni_GetByteField_addr() { | |
| 2749 return (address)jni_GetByteField; | |
| 2750 } | |
| 2751 address jni_GetCharField_addr() { | |
| 2752 return (address)jni_GetCharField; | |
| 2753 } | |
| 2754 address jni_GetShortField_addr() { | |
| 2755 return (address)jni_GetShortField; | |
| 2756 } | |
| 2757 address jni_GetIntField_addr() { | |
| 2758 return (address)jni_GetIntField; | |
| 2759 } | |
| 2760 address jni_GetLongField_addr() { | |
| 2761 return (address)jni_GetLongField; | |
| 2762 } | |
| 2763 address jni_GetFloatField_addr() { | |
| 2764 return (address)jni_GetFloatField; | |
| 2765 } | |
| 2766 address jni_GetDoubleField_addr() { | |
| 2767 return (address)jni_GetDoubleField; | |
| 2768 } | |
| 2769 | |
| 2770 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2771 JNIWrapper("SetObjectField"); | |
| 4006 | 2772 #ifndef USDT2 |
| 0 | 2773 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2774 #else /* USDT2 */ |
| 2775 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2776 env, obj, (uintptr_t) fieldID, value); | |
| 2777 #endif /* USDT2 */ | |
| 0 | 2778 oop o = JNIHandles::resolve_non_null(obj); |
|
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2779 Klass* k = o->klass(); |
| 0 | 2780 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2781 // Keep JVMTI addition small and only check enabled flag here. | |
| 2782 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2783 // and creates a ResetNoHandleMark. | |
| 2784 if (JvmtiExport::should_post_field_modification()) { | |
| 2785 jvalue field_value; | |
| 2786 field_value.l = value; | |
| 2787 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2788 } | |
| 2789 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2790 #ifndef USDT2 |
| 0 | 2791 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2792 #else /* USDT2 */ |
| 2793 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2794 ); | |
| 2795 #endif /* USDT2 */ | |
| 0 | 2796 JNI_END |
| 2797 | |
| 4006 | 2798 #ifndef USDT2 |
| 0 | 2799 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2800 \ | |
| 2801 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2802 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2803 \ | |
|
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|
2804 FP_SELECT_##Result( \ |
|
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|
2805 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
|
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|
2806 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2807 \ |
| 2808 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2809 Klass* k = o->klass(); \ |
| 0 | 2810 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2811 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2812 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2813 /* and creates a ResetNoHandleMark. */ \ | |
| 2814 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2815 jvalue field_value; \ | |
| 2816 field_value.unionType = value; \ | |
| 2817 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2818 } \ | |
| 2819 o->Fieldname##_field_put(offset, value); \ | |
| 2820 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2821 JNI_END | |
| 2822 | |
| 2823 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2824 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2825 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2826 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2827 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2828 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2829 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2830 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2831 | |
| 4006 | 2832 #else /* USDT2 */ |
| 2833 | |
| 2834 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2835 , EntryProbe, ReturnProbe) \ | |
| 2836 \ | |
| 2837 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2838 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2839 \ | |
| 2840 EntryProbe; \ | |
| 2841 \ | |
| 2842 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2843 Klass* k = o->klass(); \ |
| 4006 | 2844 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2845 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2846 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2847 /* and creates a ResetNoHandleMark. */ \ | |
| 2848 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2849 jvalue field_value; \ | |
| 2850 field_value.unionType = value; \ | |
| 2851 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2852 } \ | |
| 23614 | 2853 if (SigType == 'Z') { value = ((jboolean)value) & 1; } \ |
| 4006 | 2854 o->Fieldname##_field_put(offset, value); \ |
| 2855 ReturnProbe; \ | |
| 2856 JNI_END | |
| 2857 | |
| 2858 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2859 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2860 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2861 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2862 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2863 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2864 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2865 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2866 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2867 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2868 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2869 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2870 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2871 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2872 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2873 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2874 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2875 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2876 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2877 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2878 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2879 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2880 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2881 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2882 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2883 #endif /* USDT2 */ | |
| 2884 | |
| 2885 #ifndef USDT2 | |
| 0 | 2886 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2887 #else /* USDT2 */ |
| 2888 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2889 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2890 #endif /* USDT2 */ | |
| 0 | 2891 |
| 2892 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2893 JNIWrapper("ToReflectedField"); | |
| 4006 | 2894 #ifndef USDT2 |
| 0 | 2895 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2896 env, cls, fieldID, isStatic); | |
| 4006 | 2897 #else /* USDT2 */ |
| 2898 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2899 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2900 #endif /* USDT2 */ | |
| 0 | 2901 jobject ret = NULL; |
| 2902 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2903 | |
| 2904 fieldDescriptor fd; | |
| 2905 bool found = false; | |
|
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|
2906 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2907 |
| 2908 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2909 | |
| 2910 if (isStatic) { | |
|
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diff
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|
2911 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2912 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2913 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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|
2914 found = id->find_local_field(&fd); |
| 0 | 2915 } else { |
| 2916 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2917 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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diff
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|
2918 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2919 } |
| 2920 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2921 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2922 ret = JNIHandles::make_local(env, reflected); | |
| 2923 return ret; | |
| 2924 JNI_END | |
| 2925 | |
| 2926 | |
| 2927 // | |
| 2928 // Accessing Static Fields | |
| 2929 // | |
| 4006 | 2930 #ifndef USDT2 |
| 0 | 2931 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2932 #else /* USDT2 */ |
| 2933 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2934 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2935 #endif /* USDT2 */ | |
| 0 | 2936 |
| 2937 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2938 const char *name, const char *sig)) | |
| 2939 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2940 #ifndef USDT2 |
| 0 | 2941 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2942 #else /* USDT2 */ |
| 2943 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2944 env, clazz, (char *) name, (char *) sig); | |
| 2945 #endif /* USDT2 */ | |
| 0 | 2946 jfieldID ret = NULL; |
| 2947 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2948 | |
| 2949 // The class should have been loaded (we have an instance of the class | |
| 2950 // passed in) so the field and signature should already be in the symbol | |
| 2951 // table. If they're not there, the field doesn't exist. | |
|
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6990754: Use native memory and reference counting to implement SymbolTable
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1989
diff
changeset
|
2952 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
2953 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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|
2954 if (fieldname == NULL || signame == NULL) { |
| 0 | 2955 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2956 } | |
| 2957 KlassHandle k(THREAD, | |
|
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|
2958 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2959 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2960 k()->initialize(CHECK_NULL); |
| 0 | 2961 |
| 2962 fieldDescriptor fd; | |
| 6983 | 2963 if (!k()->oop_is_instance() || |
|
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6197
diff
changeset
|
2964 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2965 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2966 } | |
| 2967 | |
|
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|
2968 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
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6856
diff
changeset
|
2969 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2970 debug_only(id->set_is_static_field_id();) |
| 2971 | |
|
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|
2972 debug_only(id->verify(fd.field_holder())); |
| 0 | 2973 |
| 2974 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2975 return ret; | |
| 2976 JNI_END | |
| 2977 | |
| 2978 | |
| 2979 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2980 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2981 #ifndef USDT2 |
| 0 | 2982 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2983 #else /* USDT2 */ |
| 2984 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 2985 env, clazz, (uintptr_t) fieldID); | |
| 2986 #endif /* USDT2 */ | |
|
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jprovino
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6725
diff
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|
2987 #if INCLUDE_JNI_CHECK |
|
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|
2988 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
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6725
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|
2989 #endif // INCLUDE_JNI_CHECK |
| 0 | 2990 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2991 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2992 // Keep JVMTI addition small and only check enabled flag here. | |
| 2993 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2994 if (JvmtiExport::should_post_field_access()) { | |
| 2995 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 2996 } | |
|
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|
2997 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 2998 #ifndef USDT2 |
| 0 | 2999 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 3000 #else /* USDT2 */ |
| 3001 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 3002 ret); | |
| 3003 #endif /* USDT2 */ | |
| 0 | 3004 return ret; |
| 3005 JNI_END | |
| 3006 | |
| 4006 | 3007 #ifndef USDT2 |
| 0 | 3008 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3009 \ | |
| 3010 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3011 \ | |
| 3012 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3013 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3014 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3015 Return ret = 0;\ | |
| 3016 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3017 (const Return&)ret);\ | |
| 3018 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3019 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3020 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3021 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3022 if (JvmtiExport::should_post_field_access()) { \ | |
| 3023 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3024 } \ | |
|
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2177
diff
changeset
|
3025 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3026 return ret;\ |
| 3027 JNI_END | |
| 3028 | |
| 3029 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3030 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3031 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3032 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3033 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3034 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3035 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3036 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3037 | |
| 4006 | 3038 #else /* USDT2 */ |
| 3039 | |
| 3040 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3041 , EntryProbe, ReturnProbe) \ | |
| 3042 \ | |
| 3043 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3044 , ReturnProbe); \ | |
| 3045 \ | |
| 3046 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3047 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3048 EntryProbe; \ | |
| 3049 Return ret = 0;\ | |
| 3050 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3051 (const Return&)ret);\ | |
| 3052 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3053 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3054 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3055 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3056 if (JvmtiExport::should_post_field_access()) { \ | |
| 3057 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3058 } \ | |
| 3059 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3060 return ret;\ | |
| 3061 JNI_END | |
| 3062 | |
| 3063 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3064 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3065 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3066 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3067 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3068 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3069 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3070 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3071 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3072 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3073 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3074 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3075 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3076 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3077 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3078 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3079 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3080 #endif /* USDT2 */ | |
| 0 | 3081 |
| 3082 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3083 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3084 #ifndef USDT2 |
| 0 | 3085 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3086 #else /* USDT2 */ |
| 3087 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3088 env, clazz, (uintptr_t) fieldID, value); | |
| 3089 #endif /* USDT2 */ | |
| 0 | 3090 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3091 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3092 // Keep JVMTI addition small and only check enabled flag here. | |
| 3093 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3094 if (JvmtiExport::should_post_field_modification()) { | |
| 3095 jvalue field_value; | |
| 3096 field_value.l = value; | |
| 3097 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3098 } | |
|
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diff
changeset
|
3099 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3100 #ifndef USDT2 |
| 0 | 3101 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3102 #else /* USDT2 */ |
| 3103 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3104 ); | |
| 3105 #endif /* USDT2 */ | |
| 0 | 3106 JNI_END |
| 3107 | |
| 3108 | |
| 4006 | 3109 #ifndef USDT2 |
| 0 | 3110 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3111 \ | |
| 3112 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3113 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
6837
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coleenp
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6831
diff
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|
3114 FP_SELECT_##Result( \ |
|
75982791ddb6
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coleenp
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6831
diff
changeset
|
3115 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
|
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diff
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|
3116 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3117 \ |
| 3118 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3119 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3120 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3121 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3122 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3123 jvalue field_value; \ | |
| 3124 field_value.unionType = value; \ | |
| 3125 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3126 } \ | |
|
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diff
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|
3127 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3128 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3129 JNI_END | |
| 3130 | |
| 3131 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3132 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3133 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3134 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3135 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3136 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3137 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3138 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3139 | |
| 4006 | 3140 #else /* USDT2 */ |
| 3141 | |
| 3142 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3143 , EntryProbe, ReturnProbe) \ | |
| 3144 \ | |
| 3145 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3146 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3147 EntryProbe; \ | |
| 3148 \ | |
| 3149 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3150 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3151 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3152 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3153 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3154 jvalue field_value; \ | |
| 3155 field_value.unionType = value; \ | |
| 3156 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3157 } \ | |
| 23614 | 3158 if (SigType == 'Z') { value = ((jboolean)value) & 1; } \ |
| 4006 | 3159 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 3160 ReturnProbe;\ | |
| 3161 JNI_END | |
| 3162 | |
| 3163 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
|
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|
3164 , HOTSPOT_JNI_SETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), |
| 4006 | 3165 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) |
| 3166 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3167 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3168 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3169 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3170 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3171 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3172 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3173 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3174 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3175 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3176 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3177 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3178 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3179 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3180 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3181 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3182 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3183 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3184 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3185 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3186 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3187 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3188 #endif /* USDT2 */ | |
| 0 | 3189 |
| 3190 // | |
| 3191 // String Operations | |
| 3192 // | |
| 3193 | |
| 3194 // Unicode Interface | |
| 3195 | |
| 4006 | 3196 #ifndef USDT2 |
| 0 | 3197 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3198 #else /* USDT2 */ |
| 3199 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3200 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3201 #endif /* USDT2 */ | |
| 0 | 3202 |
| 3203 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3204 JNIWrapper("NewString"); | |
| 4006 | 3205 #ifndef USDT2 |
| 0 | 3206 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3207 #else /* USDT2 */ |
| 3208 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3209 env, (uint16_t *) unicodeChars, len); | |
| 3210 #endif /* USDT2 */ | |
| 0 | 3211 jstring ret = NULL; |
| 3212 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3213 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3214 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3215 return ret; | |
| 3216 JNI_END | |
| 3217 | |
| 3218 | |
| 3219 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3220 JNIWrapper("GetStringLength"); | |
| 4006 | 3221 #ifndef USDT2 |
| 0 | 3222 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3223 #else /* USDT2 */ |
| 3224 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3225 env, string); | |
| 3226 #endif /* USDT2 */ | |
|
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3227 jsize ret = 0; |
|
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|
3228 oop s = JNIHandles::resolve_non_null(string); |
|
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|
3229 if (java_lang_String::value(s) != NULL) { |
|
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|
3230 ret = java_lang_String::length(s); |
|
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|
3231 } |
| 4006 | 3232 #ifndef USDT2 |
| 0 | 3233 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3234 #else /* USDT2 */ |
| 3235 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3236 ret); | |
| 3237 #endif /* USDT2 */ | |
| 0 | 3238 return ret; |
| 3239 JNI_END | |
| 3240 | |
| 3241 | |
| 3242 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3243 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3244 JNIWrapper("GetStringChars"); | |
| 4006 | 3245 #ifndef USDT2 |
| 0 | 3246 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3247 #else /* USDT2 */ |
| 3248 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3249 env, string, (uintptr_t *) isCopy); | |
| 3250 #endif /* USDT2 */ | |
|
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|
3251 jchar* buf = NULL; |
| 0 | 3252 oop s = JNIHandles::resolve_non_null(string); |
| 3253 typeArrayOop s_value = java_lang_String::value(s); | |
|
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|
3254 if (s_value != NULL) { |
|
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|
3255 int s_len = java_lang_String::length(s); |
|
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|
3256 int s_offset = java_lang_String::offset(s); |
|
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|
3257 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
|
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|
3258 /* JNI Specification states return NULL on OOM */ |
|
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|
3259 if (buf != NULL) { |
|
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|
3260 if (s_len > 0) { |
|
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|
3261 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
|
f9be370a7d54
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|
3262 } |
|
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|
3263 buf[s_len] = 0; |
|
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|
3264 //%note jni_5 |
|
f9be370a7d54
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|
3265 if (isCopy != NULL) { |
|
f9be370a7d54
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|
3266 *isCopy = JNI_TRUE; |
|
f9be370a7d54
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|
3267 } |
|
12109
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|
3268 } |
| 0 | 3269 } |
| 4006 | 3270 #ifndef USDT2 |
| 0 | 3271 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3272 #else /* USDT2 */ |
| 3273 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3274 buf); | |
| 3275 #endif /* USDT2 */ | |
| 0 | 3276 return buf; |
| 3277 JNI_END | |
| 3278 | |
| 3279 | |
| 3280 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3281 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3282 #ifndef USDT2 |
| 0 | 3283 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3284 #else /* USDT2 */ |
| 3285 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3286 env, str, (uint16_t *) chars); | |
| 3287 #endif /* USDT2 */ | |
| 0 | 3288 //%note jni_6 |
| 3289 if (chars != NULL) { | |
| 3290 // Since String objects are supposed to be immutable, don't copy any | |
| 3291 // new data back. A bad user will have to go after the char array. | |
| 3292 FreeHeap((void*) chars); | |
| 3293 } | |
| 4006 | 3294 #ifndef USDT2 |
| 0 | 3295 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3296 #else /* USDT2 */ |
| 3297 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3298 ); | |
| 3299 #endif /* USDT2 */ | |
| 0 | 3300 JNI_END |
| 3301 | |
| 3302 | |
| 3303 // UTF Interface | |
| 3304 | |
| 4006 | 3305 #ifndef USDT2 |
| 0 | 3306 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3307 #else /* USDT2 */ |
| 3308 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3309 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3310 #endif /* USDT2 */ | |
| 0 | 3311 |
| 3312 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3313 JNIWrapper("NewStringUTF"); | |
| 4006 | 3314 #ifndef USDT2 |
| 0 | 3315 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3316 #else /* USDT2 */ |
| 3317 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3318 env, (char *) bytes); | |
| 3319 #endif /* USDT2 */ | |
| 0 | 3320 jstring ret; |
| 3321 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3322 | |
| 3323 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3324 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3325 return ret; | |
| 3326 JNI_END | |
| 3327 | |
| 3328 | |
| 3329 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3330 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3331 #ifndef USDT2 |
| 0 | 3332 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3333 #else /* USDT2 */ |
| 3334 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3335 env, string); | |
| 3336 #endif /* USDT2 */ | |
|
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3337 jsize ret = 0; |
|
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3338 oop java_string = JNIHandles::resolve_non_null(string); |
|
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3339 if (java_lang_String::value(java_string) != NULL) { |
|
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3340 ret = java_lang_String::utf8_length(java_string); |
|
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|
3341 } |
| 4006 | 3342 #ifndef USDT2 |
| 0 | 3343 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3344 #else /* USDT2 */ |
| 3345 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3346 ret); | |
| 3347 #endif /* USDT2 */ | |
| 0 | 3348 return ret; |
| 3349 JNI_END | |
| 3350 | |
| 3351 | |
| 3352 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3353 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3354 #ifndef USDT2 |
| 0 | 3355 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3356 #else /* USDT2 */ |
| 3357 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3358 env, string, (uintptr_t *) isCopy); | |
| 3359 #endif /* USDT2 */ | |
|
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|
3360 char* result = NULL; |
|
1989
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|
3361 oop java_string = JNIHandles::resolve_non_null(string); |
|
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3362 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3363 size_t length = java_lang_String::utf8_length(java_string); |
|
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3364 /* JNI Specification states return NULL on OOM */ |
|
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|
3365 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
|
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|
3366 if (result != NULL) { |
|
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|
3367 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
|
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|
3368 if (isCopy != NULL) { |
|
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|
3369 *isCopy = JNI_TRUE; |
|
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|
3370 } |
|
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|
3371 } |
|
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|
3372 } |
| 4006 | 3373 #ifndef USDT2 |
| 0 | 3374 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3375 #else /* USDT2 */ |
| 3376 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3377 result); | |
| 3378 #endif /* USDT2 */ | |
| 0 | 3379 return result; |
| 3380 JNI_END | |
| 3381 | |
| 3382 | |
| 3383 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3384 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3385 #ifndef USDT2 |
| 0 | 3386 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3387 #else /* USDT2 */ |
| 3388 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3389 env, str, (char *) chars); | |
| 3390 #endif /* USDT2 */ | |
| 0 | 3391 if (chars != NULL) { |
| 3392 FreeHeap((char*) chars); | |
| 3393 } | |
| 4006 | 3394 #ifndef USDT2 |
| 0 | 3395 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3396 #else /* USDT2 */ |
| 3397 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3398 ); | |
| 3399 #endif /* USDT2 */ | |
| 0 | 3400 JNI_END |
| 3401 | |
| 3402 | |
| 3403 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3404 JNIWrapper("GetArrayLength"); | |
| 4006 | 3405 #ifndef USDT2 |
| 0 | 3406 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3407 #else /* USDT2 */ |
| 3408 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3409 env, array); | |
| 3410 #endif /* USDT2 */ | |
| 0 | 3411 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3412 assert(a->is_array(), "must be array"); | |
| 3413 jsize ret = a->length(); | |
| 4006 | 3414 #ifndef USDT2 |
| 0 | 3415 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3416 #else /* USDT2 */ |
| 3417 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3418 ret); | |
| 3419 #endif /* USDT2 */ | |
| 0 | 3420 return ret; |
| 3421 JNI_END | |
| 3422 | |
| 3423 | |
| 3424 // | |
| 3425 // Object Array Operations | |
| 3426 // | |
| 3427 | |
| 4006 | 3428 #ifndef USDT2 |
| 0 | 3429 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3430 #else /* USDT2 */ |
| 3431 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3432 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3433 #endif /* USDT2 */ | |
| 0 | 3434 |
| 3435 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3436 JNIWrapper("NewObjectArray"); | |
| 4006 | 3437 #ifndef USDT2 |
| 0 | 3438 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3439 #else /* USDT2 */ |
| 3440 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3441 env, length, elementClass, initialElement); | |
| 3442 #endif /* USDT2 */ | |
| 0 | 3443 jobjectArray ret = NULL; |
| 3444 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
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|
3445 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3446 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3447 KlassHandle ak = KlassHandle(THREAD, ako); |
|
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diff
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|
3448 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
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|
3449 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3450 oop initial_value = JNIHandles::resolve(initialElement); |
| 3451 if (initial_value != NULL) { // array already initialized with NULL | |
| 3452 for (int index = 0; index < length; index++) { | |
| 3453 result->obj_at_put(index, initial_value); | |
| 3454 } | |
| 3455 } | |
| 3456 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3457 return ret; | |
| 3458 JNI_END | |
| 3459 | |
| 4006 | 3460 #ifndef USDT2 |
| 0 | 3461 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3462 #else /* USDT2 */ |
| 3463 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3464 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3465 #endif /* USDT2 */ | |
| 0 | 3466 |
| 3467 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3468 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3469 #ifndef USDT2 |
| 0 | 3470 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3471 #else /* USDT2 */ |
| 3472 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3473 env, array, index); | |
| 3474 #endif /* USDT2 */ | |
| 0 | 3475 jobject ret = NULL; |
| 3476 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3477 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3478 if (a->is_within_bounds(index)) { | |
|
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|
3479 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3480 return ret; |
| 3481 } else { | |
| 3482 char buf[jintAsStringSize]; | |
| 3483 sprintf(buf, "%d", index); | |
| 3484 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3485 } | |
| 3486 JNI_END | |
| 3487 | |
| 4006 | 3488 #ifndef USDT2 |
| 0 | 3489 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3490 #else /* USDT2 */ |
| 3491 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3492 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3493 #endif /* USDT2 */ | |
| 0 | 3494 |
| 3495 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3496 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3497 #ifndef USDT2 |
| 0 | 3498 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3499 #else /* USDT2 */ |
| 3500 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3501 env, array, index, value); | |
| 3502 #endif /* USDT2 */ | |
| 0 | 3503 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3504 | |
| 3505 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3506 oop v = JNIHandles::resolve(value); | |
| 3507 if (a->is_within_bounds(index)) { | |
|
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|
3508 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3509 a->obj_at_put(index, v); |
| 3510 } else { | |
| 3511 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3512 } | |
| 3513 } else { | |
| 3514 char buf[jintAsStringSize]; | |
| 3515 sprintf(buf, "%d", index); | |
| 3516 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3517 } | |
| 3518 JNI_END | |
| 3519 | |
| 3520 | |
| 4006 | 3521 #ifndef USDT2 |
| 0 | 3522 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3523 \ | |
| 4006 | 3524 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3525 \ |
| 3526 JNI_ENTRY(Return, \ | |
| 3527 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3528 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3529 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3530 Return ret = NULL;\ | |
|
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|
3531 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3532 \ |
| 3533 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3534 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3535 return ret;\ | |
| 3536 JNI_END | |
| 3537 | |
| 3538 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3539 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3540 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3541 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3542 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3543 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3544 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3545 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3546 | |
| 4006 | 3547 #else /* USDT2 */ |
| 3548 | |
| 3549 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3550 ,EntryProbe,ReturnProbe) \ | |
| 3551 \ | |
| 3552 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3553 , ReturnProbe); \ | |
| 3554 \ | |
| 3555 JNI_ENTRY(Return, \ | |
| 3556 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3557 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3558 EntryProbe; \ | |
| 3559 Return ret = NULL;\ | |
| 3560 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3561 \ | |
| 3562 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3563 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3564 return ret;\ | |
| 3565 JNI_END | |
| 3566 | |
| 3567 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3568 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3569 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3570 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3571 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3572 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3573 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3574 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3575 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3576 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3577 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3578 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3579 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3580 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3581 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3582 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3583 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3584 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3585 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3586 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3587 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3588 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3589 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3590 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3591 #endif /* USDT2 */ | |
| 0 | 3592 |
| 3593 // Return an address which will fault if the caller writes to it. | |
| 3594 | |
| 3595 static char* get_bad_address() { | |
| 3596 static char* bad_address = NULL; | |
| 3597 if (bad_address == NULL) { | |
| 3598 size_t size = os::vm_allocation_granularity(); | |
| 3599 bad_address = os::reserve_memory(size); | |
| 3600 if (bad_address != NULL) { | |
|
477
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diff
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|
3601 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
24fda36852ce
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|
3602 /*is_committed*/false); |
| 20360 | 3603 MemTracker::record_virtual_memory_type((void*)bad_address, mtInternal); |
| 0 | 3604 } |
| 3605 } | |
| 3606 return bad_address; | |
| 3607 } | |
| 3608 | |
| 3609 | |
| 4006 | 3610 #ifndef USDT2 |
| 0 | 3611 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3612 \ | |
| 3613 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3614 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3615 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3616 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3617 /* allocate an chunk of memory in c land */ \ | |
| 3618 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3619 ElementType* result; \ | |
| 3620 int len = a->length(); \ | |
| 3621 if (len == 0) { \ | |
| 3622 /* Empty array: legal but useless, can't return NULL. \ | |
| 3623 * Return a pointer to something useless. \ | |
| 3624 * Avoid asserts in typeArrayOop. */ \ | |
| 3625 result = (ElementType*)get_bad_address(); \ | |
| 3626 } else { \ | |
|
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3627 /* JNI Specification states return NULL on OOM */ \ |
|
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|
3628 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
faf2631b9334
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|
3629 if (result != NULL) { \ |
|
faf2631b9334
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|
3630 /* copy the array to the c chunk */ \ |
|
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diff
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|
3631 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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|
3632 if (isCopy) { \ |
|
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|
3633 *isCopy = JNI_TRUE; \ |
|
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|
3634 } \ |
|
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|
3635 } \ |
| 0 | 3636 } \ |
| 3637 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3638 return result; \ | |
| 3639 JNI_END | |
| 3640 | |
| 3641 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3642 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3643 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3644 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3645 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3646 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3647 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3648 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3649 | |
| 4006 | 3650 #else /* USDT2 */ |
| 3651 | |
| 3652 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3653 , EntryProbe, ReturnProbe) \ | |
| 3654 \ | |
| 3655 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3656 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3657 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3658 EntryProbe; \ | |
| 3659 /* allocate an chunk of memory in c land */ \ | |
| 3660 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3661 ElementType* result; \ | |
| 3662 int len = a->length(); \ | |
| 3663 if (len == 0) { \ | |
| 3664 /* Empty array: legal but useless, can't return NULL. \ | |
| 3665 * Return a pointer to something useless. \ | |
| 3666 * Avoid asserts in typeArrayOop. */ \ | |
| 3667 result = (ElementType*)get_bad_address(); \ | |
| 3668 } else { \ | |
|
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|
3669 /* JNI Specification states return NULL on OOM */ \ |
|
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|
3670 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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|
3671 if (result != NULL) { \ |
|
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|
3672 /* copy the array to the c chunk */ \ |
|
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|
3673 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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|
3674 if (isCopy) { \ |
|
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|
3675 *isCopy = JNI_TRUE; \ |
|
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|
3676 } \ |
|
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|
3677 } \ |
| 4006 | 3678 } \ |
| 3679 ReturnProbe; \ | |
| 3680 return result; \ | |
| 3681 JNI_END | |
| 3682 | |
| 3683 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3684 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3685 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3686 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3687 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3688 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3689 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3690 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3691 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3692 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3693 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3694 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3695 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3696 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3697 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3698 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3699 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3700 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3701 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3702 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3703 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3704 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3705 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3706 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3707 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3708 #endif /* USDT2 */ | |
| 3709 | |
| 3710 #ifndef USDT2 | |
| 0 | 3711 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3712 \ | |
| 3713 JNI_QUICK_ENTRY(void, \ | |
| 3714 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3715 ElementType *buf, jint mode)) \ | |
| 3716 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3717 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3718 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3719 int len = a->length(); \ | |
| 3720 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3721 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3722 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3723 } \ | |
| 3724 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3725 FreeHeap(buf); \ | |
| 3726 } \ | |
| 3727 } \ | |
| 3728 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3729 JNI_END | |
| 3730 | |
| 3731 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3732 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3733 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3734 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3735 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3736 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3737 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3738 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3739 | |
| 4006 | 3740 #else /* USDT2 */ |
| 3741 | |
| 3742 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3743 , EntryProbe, ReturnProbe);\ | |
| 3744 \ | |
| 3745 JNI_QUICK_ENTRY(void, \ | |
| 3746 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3747 ElementType *buf, jint mode)) \ | |
| 3748 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3749 EntryProbe; \ | |
| 3750 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3751 int len = a->length(); \ | |
| 3752 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3753 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3754 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3755 } \ | |
| 3756 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3757 FreeHeap(buf); \ | |
| 3758 } \ | |
| 3759 } \ | |
| 3760 ReturnProbe; \ | |
| 3761 JNI_END | |
| 3762 | |
| 3763 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3764 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3765 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3766 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3767 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3768 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3769 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3770 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3771 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3772 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3773 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3774 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3775 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3776 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3777 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3778 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3779 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3780 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3781 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3782 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3783 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3784 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3785 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3786 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3787 #endif /* USDT2 */ | |
| 3788 | |
| 3789 #ifndef USDT2 | |
| 0 | 3790 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3791 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3792 \ | |
| 3793 JNI_ENTRY(void, \ | |
| 3794 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3795 jsize len, ElementType *buf)) \ | |
| 3796 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3797 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3798 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3799 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3800 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3801 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3802 } else { \ | |
| 3803 if (len > 0) { \ | |
|
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|
3804 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3805 memcpy((u_char*) buf, \ |
| 3806 (u_char*) src->Tag##_at_addr(start), \ | |
| 3807 len << sc); \ | |
| 3808 } \ | |
| 3809 } \ | |
| 3810 JNI_END | |
| 3811 | |
| 3812 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3813 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3814 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3815 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3816 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3817 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3818 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3819 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3820 | |
| 4006 | 3821 #else /* USDT2 */ |
| 3822 | |
| 3823 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3824 , EntryProbe, ReturnProbe); \ | |
| 3825 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3826 , ReturnProbe); \ | |
| 3827 \ | |
| 3828 JNI_ENTRY(void, \ | |
| 3829 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3830 jsize len, ElementType *buf)) \ | |
| 3831 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3832 EntryProbe; \ | |
| 3833 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3834 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3835 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3836 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3837 } else { \ | |
| 3838 if (len > 0) { \ | |
|
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|
3839 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3840 memcpy((u_char*) buf, \ |
| 3841 (u_char*) src->Tag##_at_addr(start), \ | |
| 3842 len << sc); \ | |
| 3843 } \ | |
| 3844 } \ | |
| 3845 JNI_END | |
| 3846 | |
| 3847 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3848 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3849 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3850 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3851 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3852 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3853 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3854 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3855 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3856 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3857 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3858 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3859 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3860 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3861 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3862 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3863 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3864 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3865 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3866 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3867 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3868 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3869 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3870 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3871 #endif /* USDT2 */ | |
| 3872 | |
| 3873 #ifndef USDT2 | |
| 0 | 3874 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3875 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3876 \ | |
| 3877 JNI_ENTRY(void, \ | |
| 3878 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3879 jsize len, const ElementType *buf)) \ | |
| 3880 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3881 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3882 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3883 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3884 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3885 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3886 } else { \ | |
| 3887 if (len > 0) { \ | |
|
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|
3888 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3889 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3890 (u_char*) buf, \ | |
| 3891 len << sc); \ | |
| 3892 } \ | |
| 3893 } \ | |
| 3894 JNI_END | |
| 3895 | |
| 3896 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3897 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3898 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3899 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3900 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3901 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3902 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3903 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3904 | |
| 4006 | 3905 #else /* USDT2 */ |
| 3906 | |
| 3907 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3908 , EntryProbe, ReturnProbe); \ | |
| 3909 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3910 ,ReturnProbe); \ | |
| 3911 \ | |
| 3912 JNI_ENTRY(void, \ | |
| 3913 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3914 jsize len, const ElementType *buf)) \ | |
| 3915 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3916 EntryProbe; \ | |
| 3917 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3918 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3919 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3920 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3921 } else { \ | |
| 3922 if (len > 0) { \ | |
|
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|
3923 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3924 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3925 (u_char*) buf, \ | |
| 3926 len << sc); \ | |
| 3927 } \ | |
| 3928 } \ | |
| 3929 JNI_END | |
| 3930 | |
| 3931 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3932 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3933 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3934 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3935 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3936 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3937 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3938 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3939 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3940 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3941 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3942 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3943 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3944 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3945 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3946 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3947 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3948 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3949 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3950 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3951 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3952 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3953 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3954 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3955 #endif /* USDT2 */ | |
| 3956 | |
| 0 | 3957 |
| 3958 // | |
| 3959 // Interception of natives | |
| 3960 // | |
| 3961 | |
| 3962 // The RegisterNatives call being attempted tried to register with a method that | |
| 3963 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3964 // to see if the native method is now wrapped with the prefixes. See the | |
| 3965 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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|
3966 static Method* find_prefixed_native(KlassHandle k, |
|
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diff
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|
3967 Symbol* name, Symbol* signature, TRAPS) { |
|
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|
3968 #if INCLUDE_JVMTI |
| 0 | 3969 ResourceMark rm(THREAD); |
|
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|
3970 Method* method; |
| 0 | 3971 int name_len = name->utf8_length(); |
| 3972 char* name_str = name->as_utf8(); | |
| 3973 int prefix_count; | |
| 3974 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3975 for (int i = 0; i < prefix_count; i++) { | |
| 3976 char* prefix = prefixes[i]; | |
| 3977 int prefix_len = (int)strlen(prefix); | |
| 3978 | |
| 3979 // try adding this prefix to the method name and see if it matches another method name | |
| 3980 int trial_len = name_len + prefix_len; | |
| 3981 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3982 strcpy(trial_name_str, prefix); | |
| 3983 strcat(trial_name_str, name_str); | |
|
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|
3984 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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diff
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|
3985 if (trial_name == NULL) { |
| 0 | 3986 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3987 } | |
| 6983 | 3988 method = k()->lookup_method(trial_name, signature); |
| 0 | 3989 if (method == NULL) { |
| 3990 continue; // signature doesn't match, try the next prefix | |
| 3991 } | |
| 3992 if (method->is_native()) { | |
| 3993 method->set_is_prefixed_native(); | |
| 3994 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3995 } | |
| 3996 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3997 name_len = trial_len; | |
| 3998 name_str = trial_name_str; | |
| 3999 } | |
|
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|
4000 #endif // INCLUDE_JVMTI |
| 0 | 4001 return NULL; // not found |
| 4002 } | |
| 4003 | |
|
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|
4004 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 4005 Method* method = k()->lookup_method(name, signature); |
| 0 | 4006 if (method == NULL) { |
| 4007 ResourceMark rm; | |
| 4008 stringStream st; | |
| 4009 st.print("Method %s name or signature does not match", | |
| 6983 | 4010 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4011 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4012 } | |
| 4013 if (!method->is_native()) { | |
| 4014 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 4015 method = find_prefixed_native(k, name, signature, THREAD); | |
| 4016 if (method == NULL) { | |
| 4017 ResourceMark rm; | |
| 4018 stringStream st; | |
| 4019 st.print("Method %s is not declared as native", | |
| 6983 | 4020 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4021 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4022 } | |
| 4023 } | |
| 4024 | |
| 4025 if (entry != NULL) { | |
| 4026 method->set_native_function(entry, | |
|
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|
4027 Method::native_bind_event_is_interesting); |
| 0 | 4028 } else { |
| 4029 method->clear_native_function(); | |
| 4030 } | |
| 4031 if (PrintJNIResolving) { | |
| 4032 ResourceMark rm(THREAD); | |
| 4033 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
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6856
diff
changeset
|
4034 method->method_holder()->external_name(), |
| 0 | 4035 method->name()->as_C_string()); |
| 4036 } | |
| 4037 return true; | |
| 4038 } | |
| 4039 | |
| 4006 | 4040 #ifndef USDT2 |
| 0 | 4041 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4042 #else /* USDT2 */ |
| 4043 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4044 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4045 #endif /* USDT2 */ | |
| 0 | 4046 |
| 4047 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4048 const JNINativeMethod *methods, | |
| 4049 jint nMethods)) | |
| 4050 JNIWrapper("RegisterNatives"); | |
| 4006 | 4051 #ifndef USDT2 |
| 0 | 4052 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4053 #else /* USDT2 */ |
| 4054 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4055 env, clazz, (void *) methods, nMethods); | |
| 4056 #endif /* USDT2 */ | |
| 0 | 4057 jint ret = 0; |
| 4058 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4059 | |
|
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|
4060 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4061 |
| 4062 for (int index = 0; index < nMethods; index++) { | |
| 4063 const char* meth_name = methods[index].name; | |
| 4064 const char* meth_sig = methods[index].signature; | |
| 4065 int meth_name_len = (int)strlen(meth_name); | |
| 4066 | |
| 4067 // The class should have been loaded (we have an instance of the class | |
| 4068 // passed in) so the method and signature should already be in the symbol | |
| 4069 // table. If they're not there, the method doesn't exist. | |
|
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|
4070 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
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|
4071 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
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|
4072 |
|
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|
4073 if (name == NULL || signature == NULL) { |
| 0 | 4074 ResourceMark rm; |
| 4075 stringStream st; | |
| 6983 | 4076 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4077 // Must return negative value on failure |
| 4078 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4079 } | |
| 4080 | |
| 4081 bool res = register_native(h_k, name, signature, | |
| 4082 (address) methods[index].fnPtr, THREAD); | |
| 4083 if (!res) { | |
| 4084 ret = -1; | |
| 4085 break; | |
| 4086 } | |
| 4087 } | |
| 4088 return ret; | |
| 4089 JNI_END | |
| 4090 | |
| 4091 | |
| 4092 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4093 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4094 #ifndef USDT2 |
| 0 | 4095 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4096 #else /* USDT2 */ |
| 4097 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4098 env, clazz); | |
| 4099 #endif /* USDT2 */ | |
|
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|
4100 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4101 //%note jni_2 |
| 6983 | 4102 if (k->oop_is_instance()) { |
|
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|
4103 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
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|
4104 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4105 if (m->is_native()) { |
| 4106 m->clear_native_function(); | |
| 4107 m->set_signature_handler(NULL); | |
| 4108 } | |
| 4109 } | |
| 4110 } | |
| 4006 | 4111 #ifndef USDT2 |
| 0 | 4112 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4113 #else /* USDT2 */ |
| 4114 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4115 0); | |
| 4116 #endif /* USDT2 */ | |
| 0 | 4117 return 0; |
| 4118 JNI_END | |
| 4119 | |
| 4120 // | |
| 4121 // Monitor functions | |
| 4122 // | |
| 4123 | |
| 4006 | 4124 #ifndef USDT2 |
| 0 | 4125 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4126 #else /* USDT2 */ |
| 4127 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4128 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4129 #endif /* USDT2 */ | |
| 0 | 4130 |
| 4131 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4132 #ifndef USDT2 |
| 0 | 4133 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4134 #else /* USDT2 */ |
| 4135 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4136 env, jobj); | |
| 4137 #endif /* USDT2 */ | |
| 0 | 4138 jint ret = JNI_ERR; |
| 4139 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4140 | |
| 4141 // If the object is null, we can't do anything with it | |
| 4142 if (jobj == NULL) { | |
| 4143 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4144 } | |
| 4145 | |
| 4146 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4147 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4148 ret = JNI_OK; | |
| 4149 return ret; | |
| 4150 JNI_END | |
| 4151 | |
| 4006 | 4152 #ifndef USDT2 |
| 0 | 4153 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4154 #else /* USDT2 */ |
| 4155 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4156 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4157 #endif /* USDT2 */ | |
| 0 | 4158 |
| 4159 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4160 #ifndef USDT2 |
| 0 | 4161 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4162 #else /* USDT2 */ |
| 4163 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4164 env, jobj); | |
| 4165 #endif /* USDT2 */ | |
| 0 | 4166 jint ret = JNI_ERR; |
| 4167 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4168 | |
| 4169 // Don't do anything with a null object | |
| 4170 if (jobj == NULL) { | |
| 4171 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4172 } | |
| 4173 | |
| 4174 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4175 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4176 | |
| 4177 ret = JNI_OK; | |
| 4178 return ret; | |
| 4179 JNI_END | |
| 4180 | |
| 4181 // | |
| 4182 // Extensions | |
| 4183 // | |
| 4184 | |
| 4006 | 4185 #ifndef USDT2 |
| 0 | 4186 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4187 #else /* USDT2 */ |
| 4188 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4189 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4190 #endif /* USDT2 */ | |
| 0 | 4191 |
| 4192 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4193 JNIWrapper("GetStringRegion"); | |
| 4006 | 4194 #ifndef USDT2 |
| 0 | 4195 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4196 #else /* USDT2 */ |
| 4197 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4198 env, string, start, len, buf); | |
| 4199 #endif /* USDT2 */ | |
| 0 | 4200 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4201 oop s = JNIHandles::resolve_non_null(string); | |
| 4202 int s_len = java_lang_String::length(s); | |
| 4203 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4204 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4205 } else { | |
| 4206 if (len > 0) { | |
| 4207 int s_offset = java_lang_String::offset(s); | |
| 4208 typeArrayOop s_value = java_lang_String::value(s); | |
| 4209 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4210 } | |
| 4211 } | |
| 4212 JNI_END | |
| 4213 | |
| 4006 | 4214 #ifndef USDT2 |
| 0 | 4215 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4216 #else /* USDT2 */ |
| 4217 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4218 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4219 #endif /* USDT2 */ | |
| 0 | 4220 |
| 4221 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4222 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4223 #ifndef USDT2 |
| 0 | 4224 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4225 #else /* USDT2 */ |
| 4226 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4227 env, string, start, len, buf); | |
| 4228 #endif /* USDT2 */ | |
| 0 | 4229 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4230 oop s = JNIHandles::resolve_non_null(string); | |
| 4231 int s_len = java_lang_String::length(s); | |
| 4232 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4233 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4234 } else { | |
| 4235 //%note jni_7 | |
| 4236 if (len > 0) { | |
| 4237 ResourceMark rm(THREAD); | |
| 4238 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4239 int utf_len = (int)strlen(utf_region); | |
| 4240 memcpy(buf, utf_region, utf_len); | |
| 4241 buf[utf_len] = 0; | |
| 4242 } else { | |
| 4243 // JDK null-terminates the buffer even in len is zero | |
| 4244 if (buf != NULL) { | |
| 4245 buf[0] = 0; | |
| 4246 } | |
| 4247 } | |
| 4248 } | |
| 4249 JNI_END | |
| 4250 | |
| 4251 | |
| 4252 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4253 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4254 #ifndef USDT2 |
| 0 | 4255 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4256 #else /* USDT2 */ |
| 4257 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4258 env, array, (uintptr_t *) isCopy); | |
| 4259 #endif /* USDT2 */ | |
| 0 | 4260 GC_locker::lock_critical(thread); |
| 4261 if (isCopy != NULL) { | |
| 4262 *isCopy = JNI_FALSE; | |
| 4263 } | |
| 4264 oop a = JNIHandles::resolve_non_null(array); | |
| 4265 assert(a->is_array(), "just checking"); | |
| 4266 BasicType type; | |
| 4267 if (a->is_objArray()) { | |
| 4268 type = T_OBJECT; | |
| 4269 } else { | |
|
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|
4270 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4271 } |
| 4272 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4273 #ifndef USDT2 |
| 0 | 4274 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4275 #else /* USDT2 */ |
| 4276 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4277 ret); | |
| 4278 #endif /* USDT2 */ | |
| 0 | 4279 return ret; |
| 4280 JNI_END | |
| 4281 | |
| 4282 | |
| 4283 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4284 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4285 #ifndef USDT2 |
| 0 | 4286 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4287 #else /* USDT2 */ |
| 4288 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4289 env, array, carray, mode); | |
| 4290 #endif /* USDT2 */ | |
| 0 | 4291 // The array, carray and mode arguments are ignored |
| 4292 GC_locker::unlock_critical(thread); | |
| 4006 | 4293 #ifndef USDT2 |
| 0 | 4294 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4295 #else /* USDT2 */ |
| 4296 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4297 ); | |
| 4298 #endif /* USDT2 */ | |
| 0 | 4299 JNI_END |
| 4300 | |
| 4301 | |
| 4302 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4303 JNIWrapper("GetStringCritical"); | |
| 4006 | 4304 #ifndef USDT2 |
| 0 | 4305 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4306 #else /* USDT2 */ |
| 4307 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4308 env, string, (uintptr_t *) isCopy); | |
| 4309 #endif /* USDT2 */ | |
| 0 | 4310 GC_locker::lock_critical(thread); |
| 4311 if (isCopy != NULL) { | |
| 4312 *isCopy = JNI_FALSE; | |
| 4313 } | |
| 4314 oop s = JNIHandles::resolve_non_null(string); | |
| 4315 int s_len = java_lang_String::length(s); | |
| 4316 typeArrayOop s_value = java_lang_String::value(s); | |
| 4317 int s_offset = java_lang_String::offset(s); | |
| 4318 const jchar* ret; | |
| 4319 if (s_len > 0) { | |
| 4320 ret = s_value->char_at_addr(s_offset); | |
| 4321 } else { | |
| 4322 ret = (jchar*) s_value->base(T_CHAR); | |
| 4323 } | |
| 4006 | 4324 #ifndef USDT2 |
| 0 | 4325 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4326 #else /* USDT2 */ |
| 4327 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4328 (uint16_t *) ret); | |
| 4329 #endif /* USDT2 */ | |
| 0 | 4330 return ret; |
| 4331 JNI_END | |
| 4332 | |
| 4333 | |
| 4334 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4335 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4336 #ifndef USDT2 |
| 0 | 4337 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4338 #else /* USDT2 */ |
| 4339 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4340 env, str, (uint16_t *) chars); | |
| 4341 #endif /* USDT2 */ | |
| 0 | 4342 // The str and chars arguments are ignored |
| 4343 GC_locker::unlock_critical(thread); | |
| 4006 | 4344 #ifndef USDT2 |
| 0 | 4345 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4346 #else /* USDT2 */ |
| 4347 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4348 ); | |
| 4349 #endif /* USDT2 */ | |
| 0 | 4350 JNI_END |
| 4351 | |
| 4352 | |
| 4353 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4354 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4355 #ifndef USDT2 |
| 0 | 4356 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4357 #else /* USDT2 */ |
| 4358 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4359 env, ref); | |
| 4360 #endif /* USDT2 */ | |
| 0 | 4361 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4362 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4363 #ifndef USDT2 |
| 0 | 4364 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4365 #else /* USDT2 */ |
| 4366 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4367 ret); | |
| 4368 #endif /* USDT2 */ | |
| 0 | 4369 return ret; |
| 4370 JNI_END | |
| 4371 | |
| 4372 // Must be JNI_ENTRY (with HandleMark) | |
| 4373 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4374 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4375 #ifndef USDT2 |
| 0 | 4376 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4377 #else /* USDT2 */ |
| 4378 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4379 env, ref); | |
| 4380 #endif /* USDT2 */ | |
| 0 | 4381 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4382 #ifndef USDT2 |
| 0 | 4383 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4384 #else /* USDT2 */ |
| 4385 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4386 ); | |
| 4387 #endif /* USDT2 */ | |
| 0 | 4388 JNI_END |
| 4389 | |
| 4390 | |
| 4391 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4392 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4393 #ifndef USDT2 |
| 0 | 4394 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4395 #else /* USDT2 */ |
| 4396 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4397 env); | |
| 4398 #endif /* USDT2 */ | |
| 0 | 4399 jni_check_async_exceptions(thread); |
| 4400 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4401 #ifndef USDT2 |
| 0 | 4402 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4403 #else /* USDT2 */ |
| 4404 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4405 ret); | |
| 4406 #endif /* USDT2 */ | |
| 0 | 4407 return ret; |
| 4408 JNI_END | |
| 4409 | |
| 4410 | |
| 4411 // Initialization state for three routines below relating to | |
| 4412 // java.nio.DirectBuffers | |
| 4413 static jint directBufferSupportInitializeStarted = 0; | |
| 4414 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4415 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4416 static jclass bufferClass = NULL; | |
| 4417 static jclass directBufferClass = NULL; | |
| 4418 static jclass directByteBufferClass = NULL; | |
| 4419 static jmethodID directByteBufferConstructor = NULL; | |
| 4420 static jfieldID directBufferAddressField = NULL; | |
| 4421 static jfieldID bufferCapacityField = NULL; | |
| 4422 | |
| 4423 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4424 Handle loader; // null (bootstrap) loader | |
| 4425 Handle protection_domain; // null protection domain | |
| 4426 | |
|
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|
4427 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
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|
4428 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
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|
4429 |
|
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|
4430 if (TraceClassResolution && result != NULL) { |
|
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|
4431 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
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|
4432 } |
|
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|
4433 return result; |
| 0 | 4434 } |
| 4435 | |
| 4436 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4437 // circumvent any security checks that would be done by jni_FindClass. | |
| 4438 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4439 { | |
| 4440 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4441 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4442 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4443 return true; | |
| 4444 } | |
| 4445 JNI_END | |
| 4446 | |
| 4447 | |
| 4448 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4449 if (directBufferSupportInitializeFailed) { | |
| 4450 return false; | |
| 4451 } | |
| 4452 | |
| 4453 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4454 if (!lookupDirectBufferClasses(env)) { | |
| 4455 directBufferSupportInitializeFailed = 1; | |
| 4456 return false; | |
| 4457 } | |
| 4458 | |
| 4459 // Make global references for these | |
| 4460 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4461 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4462 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4463 | |
| 4464 // Get needed field and method IDs | |
| 4465 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
|
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|
4466 if (env->ExceptionCheck()) { |
|
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|
4467 env->ExceptionClear(); |
|
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|
4468 directBufferSupportInitializeFailed = 1; |
|
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|
4469 return false; |
|
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|
4470 } |
| 0 | 4471 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); |
|
17704
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|
4472 if (env->ExceptionCheck()) { |
|
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|
4473 env->ExceptionClear(); |
|
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|
4474 directBufferSupportInitializeFailed = 1; |
|
56cd09c4a5c9
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diff
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|
4475 return false; |
|
56cd09c4a5c9
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diff
changeset
|
4476 } |
| 0 | 4477 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); |
|
17704
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|
4478 if (env->ExceptionCheck()) { |
|
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changeset
|
4479 env->ExceptionClear(); |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
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17694
diff
changeset
|
4480 directBufferSupportInitializeFailed = 1; |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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diff
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|
4481 return false; |
|
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diff
changeset
|
4482 } |
| 0 | 4483 |
| 4484 if ((directByteBufferConstructor == NULL) || | |
| 4485 (directBufferAddressField == NULL) || | |
| 4486 (bufferCapacityField == NULL)) { | |
| 4487 directBufferSupportInitializeFailed = 1; | |
| 4488 return false; | |
| 4489 } | |
| 4490 | |
| 4491 directBufferSupportInitializeEnded = 1; | |
| 4492 } else { | |
| 4493 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4494 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4495 // os::sleep which requires the VM state transition. On other platforms, it |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4496 // is not necessary. The following call to change the VM state is purposely |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4497 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4498 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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parents:
477
diff
changeset
|
4499 ThreadInVMfromNative tivn(thread); |
| 0 | 4500 os::yield_all(); |
| 4501 } | |
| 4502 } | |
| 4503 | |
| 4504 return !directBufferSupportInitializeFailed; | |
| 4505 } | |
| 4506 | |
| 4507 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4508 { | |
| 4509 // thread_from_jni_environment() will block if VM is gone. | |
| 4510 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4511 | |
| 4512 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4513 #ifndef USDT2 |
| 0 | 4514 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4515 #else /* USDT2 */ |
| 4516 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4517 env, address, capacity); | |
| 4518 #endif /* USDT2 */ | |
| 0 | 4519 |
| 4520 if (!directBufferSupportInitializeEnded) { | |
| 4521 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4522 #ifndef USDT2 |
| 0 | 4523 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4524 #else /* USDT2 */ |
| 4525 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4526 NULL); | |
| 4527 #endif /* USDT2 */ | |
| 0 | 4528 return NULL; |
| 4529 } | |
| 4530 } | |
| 4531 | |
| 4532 // Being paranoid about accidental sign extension on address | |
| 4533 jlong addr = (jlong) ((uintptr_t) address); | |
| 4534 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4535 // takes int capacity | |
| 4536 jint cap = (jint) capacity; | |
| 4537 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4538 #ifndef USDT2 |
| 0 | 4539 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4540 #else /* USDT2 */ |
| 4541 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4542 ret); | |
| 4543 #endif /* USDT2 */ | |
| 0 | 4544 return ret; |
| 4545 } | |
| 4546 | |
| 4006 | 4547 #ifndef USDT2 |
| 0 | 4548 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4549 #else /* USDT2 */ |
| 4550 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4551 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4552 #endif /* USDT2 */ | |
| 0 | 4553 |
| 4554 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4555 { | |
| 4556 // thread_from_jni_environment() will block if VM is gone. | |
| 4557 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4558 | |
| 4559 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4560 #ifndef USDT2 |
| 0 | 4561 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4562 #else /* USDT2 */ |
| 4563 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4564 env, buf); | |
| 4565 #endif /* USDT2 */ | |
| 0 | 4566 void* ret = NULL; |
| 4567 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4568 | |
| 4569 if (!directBufferSupportInitializeEnded) { | |
| 4570 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4571 return 0; | |
| 4572 } | |
| 4573 } | |
| 4574 | |
| 4575 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4576 return 0; | |
| 4577 } | |
| 4578 | |
| 4579 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4580 return ret; | |
| 4581 } | |
| 4582 | |
| 4006 | 4583 #ifndef USDT2 |
| 0 | 4584 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4585 #else /* USDT2 */ |
| 4586 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4587 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4588 #endif /* USDT2 */ | |
| 0 | 4589 |
| 4590 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4591 { | |
| 4592 // thread_from_jni_environment() will block if VM is gone. | |
| 4593 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4594 | |
| 4595 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4596 #ifndef USDT2 |
| 0 | 4597 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4598 #else /* USDT2 */ |
| 4599 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4600 env, buf); | |
| 4601 #endif /* USDT2 */ | |
| 0 | 4602 jlong ret = -1; |
| 4603 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4604 | |
| 4605 if (!directBufferSupportInitializeEnded) { | |
| 4606 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4607 ret = 0; | |
| 4608 return ret; | |
| 4609 } | |
| 4610 } | |
| 4611 | |
| 4612 if (buf == NULL) { | |
| 4613 return -1; | |
| 4614 } | |
| 4615 | |
| 4616 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4617 return -1; | |
| 4618 } | |
| 4619 | |
| 4620 // NOTE that capacity is currently an int in the implementation | |
| 4621 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4622 return ret; | |
| 4623 } | |
| 4624 | |
| 4625 | |
| 4626 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4627 JNIWrapper("GetVersion"); | |
| 4006 | 4628 #ifndef USDT2 |
| 0 | 4629 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4630 #else /* USDT2 */ |
| 4631 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4632 env); | |
| 4633 #endif /* USDT2 */ | |
| 4634 #ifndef USDT2 | |
| 0 | 4635 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4636 #else /* USDT2 */ |
| 4637 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4638 CurrentVersion); | |
| 4639 #endif /* USDT2 */ | |
| 0 | 4640 return CurrentVersion; |
| 4641 JNI_END | |
| 4642 | |
| 4643 extern struct JavaVM_ main_vm; | |
| 4644 | |
| 4645 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4646 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4647 #ifndef USDT2 |
| 0 | 4648 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4649 #else /* USDT2 */ |
| 4650 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4651 env, (void **) vm); | |
| 4652 #endif /* USDT2 */ | |
| 0 | 4653 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4654 #ifndef USDT2 |
| 0 | 4655 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4656 #else /* USDT2 */ |
| 4657 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4658 JNI_OK); | |
| 4659 #endif /* USDT2 */ | |
| 0 | 4660 return JNI_OK; |
| 4661 JNI_END | |
| 4662 | |
| 4663 // Structure containing all jni functions | |
| 4664 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4665 NULL, | |
| 4666 NULL, | |
| 4667 NULL, | |
| 4668 | |
| 4669 NULL, | |
| 4670 | |
| 4671 jni_GetVersion, | |
| 4672 | |
| 4673 jni_DefineClass, | |
| 4674 jni_FindClass, | |
| 4675 | |
| 4676 jni_FromReflectedMethod, | |
| 4677 jni_FromReflectedField, | |
| 4678 | |
| 4679 jni_ToReflectedMethod, | |
| 4680 | |
| 4681 jni_GetSuperclass, | |
| 4682 jni_IsAssignableFrom, | |
| 4683 | |
| 4684 jni_ToReflectedField, | |
| 4685 | |
| 4686 jni_Throw, | |
| 4687 jni_ThrowNew, | |
| 4688 jni_ExceptionOccurred, | |
| 4689 jni_ExceptionDescribe, | |
| 4690 jni_ExceptionClear, | |
| 4691 jni_FatalError, | |
| 4692 | |
| 4693 jni_PushLocalFrame, | |
| 4694 jni_PopLocalFrame, | |
| 4695 | |
| 4696 jni_NewGlobalRef, | |
| 4697 jni_DeleteGlobalRef, | |
| 4698 jni_DeleteLocalRef, | |
| 4699 jni_IsSameObject, | |
| 4700 | |
| 4701 jni_NewLocalRef, | |
| 4702 jni_EnsureLocalCapacity, | |
| 4703 | |
| 4704 jni_AllocObject, | |
| 4705 jni_NewObject, | |
| 4706 jni_NewObjectV, | |
| 4707 jni_NewObjectA, | |
| 4708 | |
| 4709 jni_GetObjectClass, | |
| 4710 jni_IsInstanceOf, | |
| 4711 | |
| 4712 jni_GetMethodID, | |
| 4713 | |
| 4714 jni_CallObjectMethod, | |
| 4715 jni_CallObjectMethodV, | |
| 4716 jni_CallObjectMethodA, | |
| 4717 jni_CallBooleanMethod, | |
| 4718 jni_CallBooleanMethodV, | |
| 4719 jni_CallBooleanMethodA, | |
| 4720 jni_CallByteMethod, | |
| 4721 jni_CallByteMethodV, | |
| 4722 jni_CallByteMethodA, | |
| 4723 jni_CallCharMethod, | |
| 4724 jni_CallCharMethodV, | |
| 4725 jni_CallCharMethodA, | |
| 4726 jni_CallShortMethod, | |
| 4727 jni_CallShortMethodV, | |
| 4728 jni_CallShortMethodA, | |
| 4729 jni_CallIntMethod, | |
| 4730 jni_CallIntMethodV, | |
| 4731 jni_CallIntMethodA, | |
| 4732 jni_CallLongMethod, | |
| 4733 jni_CallLongMethodV, | |
| 4734 jni_CallLongMethodA, | |
| 4735 jni_CallFloatMethod, | |
| 4736 jni_CallFloatMethodV, | |
| 4737 jni_CallFloatMethodA, | |
| 4738 jni_CallDoubleMethod, | |
| 4739 jni_CallDoubleMethodV, | |
| 4740 jni_CallDoubleMethodA, | |
| 4741 jni_CallVoidMethod, | |
| 4742 jni_CallVoidMethodV, | |
| 4743 jni_CallVoidMethodA, | |
| 4744 | |
| 4745 jni_CallNonvirtualObjectMethod, | |
| 4746 jni_CallNonvirtualObjectMethodV, | |
| 4747 jni_CallNonvirtualObjectMethodA, | |
| 4748 jni_CallNonvirtualBooleanMethod, | |
| 4749 jni_CallNonvirtualBooleanMethodV, | |
| 4750 jni_CallNonvirtualBooleanMethodA, | |
| 4751 jni_CallNonvirtualByteMethod, | |
| 4752 jni_CallNonvirtualByteMethodV, | |
| 4753 jni_CallNonvirtualByteMethodA, | |
| 4754 jni_CallNonvirtualCharMethod, | |
| 4755 jni_CallNonvirtualCharMethodV, | |
| 4756 jni_CallNonvirtualCharMethodA, | |
| 4757 jni_CallNonvirtualShortMethod, | |
| 4758 jni_CallNonvirtualShortMethodV, | |
| 4759 jni_CallNonvirtualShortMethodA, | |
| 4760 jni_CallNonvirtualIntMethod, | |
| 4761 jni_CallNonvirtualIntMethodV, | |
| 4762 jni_CallNonvirtualIntMethodA, | |
| 4763 jni_CallNonvirtualLongMethod, | |
| 4764 jni_CallNonvirtualLongMethodV, | |
| 4765 jni_CallNonvirtualLongMethodA, | |
| 4766 jni_CallNonvirtualFloatMethod, | |
| 4767 jni_CallNonvirtualFloatMethodV, | |
| 4768 jni_CallNonvirtualFloatMethodA, | |
| 4769 jni_CallNonvirtualDoubleMethod, | |
| 4770 jni_CallNonvirtualDoubleMethodV, | |
| 4771 jni_CallNonvirtualDoubleMethodA, | |
| 4772 jni_CallNonvirtualVoidMethod, | |
| 4773 jni_CallNonvirtualVoidMethodV, | |
| 4774 jni_CallNonvirtualVoidMethodA, | |
| 4775 | |
| 4776 jni_GetFieldID, | |
| 4777 | |
| 4778 jni_GetObjectField, | |
| 4779 jni_GetBooleanField, | |
| 4780 jni_GetByteField, | |
| 4781 jni_GetCharField, | |
| 4782 jni_GetShortField, | |
| 4783 jni_GetIntField, | |
| 4784 jni_GetLongField, | |
| 4785 jni_GetFloatField, | |
| 4786 jni_GetDoubleField, | |
| 4787 | |
| 4788 jni_SetObjectField, | |
| 4789 jni_SetBooleanField, | |
| 4790 jni_SetByteField, | |
| 4791 jni_SetCharField, | |
| 4792 jni_SetShortField, | |
| 4793 jni_SetIntField, | |
| 4794 jni_SetLongField, | |
| 4795 jni_SetFloatField, | |
| 4796 jni_SetDoubleField, | |
| 4797 | |
| 4798 jni_GetStaticMethodID, | |
| 4799 | |
| 4800 jni_CallStaticObjectMethod, | |
| 4801 jni_CallStaticObjectMethodV, | |
| 4802 jni_CallStaticObjectMethodA, | |
| 4803 jni_CallStaticBooleanMethod, | |
| 4804 jni_CallStaticBooleanMethodV, | |
| 4805 jni_CallStaticBooleanMethodA, | |
| 4806 jni_CallStaticByteMethod, | |
| 4807 jni_CallStaticByteMethodV, | |
| 4808 jni_CallStaticByteMethodA, | |
| 4809 jni_CallStaticCharMethod, | |
| 4810 jni_CallStaticCharMethodV, | |
| 4811 jni_CallStaticCharMethodA, | |
| 4812 jni_CallStaticShortMethod, | |
| 4813 jni_CallStaticShortMethodV, | |
| 4814 jni_CallStaticShortMethodA, | |
| 4815 jni_CallStaticIntMethod, | |
| 4816 jni_CallStaticIntMethodV, | |
| 4817 jni_CallStaticIntMethodA, | |
| 4818 jni_CallStaticLongMethod, | |
| 4819 jni_CallStaticLongMethodV, | |
| 4820 jni_CallStaticLongMethodA, | |
| 4821 jni_CallStaticFloatMethod, | |
| 4822 jni_CallStaticFloatMethodV, | |
| 4823 jni_CallStaticFloatMethodA, | |
| 4824 jni_CallStaticDoubleMethod, | |
| 4825 jni_CallStaticDoubleMethodV, | |
| 4826 jni_CallStaticDoubleMethodA, | |
| 4827 jni_CallStaticVoidMethod, | |
| 4828 jni_CallStaticVoidMethodV, | |
| 4829 jni_CallStaticVoidMethodA, | |
| 4830 | |
| 4831 jni_GetStaticFieldID, | |
| 4832 | |
| 4833 jni_GetStaticObjectField, | |
| 4834 jni_GetStaticBooleanField, | |
| 4835 jni_GetStaticByteField, | |
| 4836 jni_GetStaticCharField, | |
| 4837 jni_GetStaticShortField, | |
| 4838 jni_GetStaticIntField, | |
| 4839 jni_GetStaticLongField, | |
| 4840 jni_GetStaticFloatField, | |
| 4841 jni_GetStaticDoubleField, | |
| 4842 | |
| 4843 jni_SetStaticObjectField, | |
| 4844 jni_SetStaticBooleanField, | |
| 4845 jni_SetStaticByteField, | |
| 4846 jni_SetStaticCharField, | |
| 4847 jni_SetStaticShortField, | |
| 4848 jni_SetStaticIntField, | |
| 4849 jni_SetStaticLongField, | |
| 4850 jni_SetStaticFloatField, | |
| 4851 jni_SetStaticDoubleField, | |
| 4852 | |
| 4853 jni_NewString, | |
| 4854 jni_GetStringLength, | |
| 4855 jni_GetStringChars, | |
| 4856 jni_ReleaseStringChars, | |
| 4857 | |
| 4858 jni_NewStringUTF, | |
| 4859 jni_GetStringUTFLength, | |
| 4860 jni_GetStringUTFChars, | |
| 4861 jni_ReleaseStringUTFChars, | |
| 4862 | |
| 4863 jni_GetArrayLength, | |
| 4864 | |
| 4865 jni_NewObjectArray, | |
| 4866 jni_GetObjectArrayElement, | |
| 4867 jni_SetObjectArrayElement, | |
| 4868 | |
| 4869 jni_NewBooleanArray, | |
| 4870 jni_NewByteArray, | |
| 4871 jni_NewCharArray, | |
| 4872 jni_NewShortArray, | |
| 4873 jni_NewIntArray, | |
| 4874 jni_NewLongArray, | |
| 4875 jni_NewFloatArray, | |
| 4876 jni_NewDoubleArray, | |
| 4877 | |
| 4878 jni_GetBooleanArrayElements, | |
| 4879 jni_GetByteArrayElements, | |
| 4880 jni_GetCharArrayElements, | |
| 4881 jni_GetShortArrayElements, | |
| 4882 jni_GetIntArrayElements, | |
| 4883 jni_GetLongArrayElements, | |
| 4884 jni_GetFloatArrayElements, | |
| 4885 jni_GetDoubleArrayElements, | |
| 4886 | |
| 4887 jni_ReleaseBooleanArrayElements, | |
| 4888 jni_ReleaseByteArrayElements, | |
| 4889 jni_ReleaseCharArrayElements, | |
| 4890 jni_ReleaseShortArrayElements, | |
| 4891 jni_ReleaseIntArrayElements, | |
| 4892 jni_ReleaseLongArrayElements, | |
| 4893 jni_ReleaseFloatArrayElements, | |
| 4894 jni_ReleaseDoubleArrayElements, | |
| 4895 | |
| 4896 jni_GetBooleanArrayRegion, | |
| 4897 jni_GetByteArrayRegion, | |
| 4898 jni_GetCharArrayRegion, | |
| 4899 jni_GetShortArrayRegion, | |
| 4900 jni_GetIntArrayRegion, | |
| 4901 jni_GetLongArrayRegion, | |
| 4902 jni_GetFloatArrayRegion, | |
| 4903 jni_GetDoubleArrayRegion, | |
| 4904 | |
| 4905 jni_SetBooleanArrayRegion, | |
| 4906 jni_SetByteArrayRegion, | |
| 4907 jni_SetCharArrayRegion, | |
| 4908 jni_SetShortArrayRegion, | |
| 4909 jni_SetIntArrayRegion, | |
| 4910 jni_SetLongArrayRegion, | |
| 4911 jni_SetFloatArrayRegion, | |
| 4912 jni_SetDoubleArrayRegion, | |
| 4913 | |
| 4914 jni_RegisterNatives, | |
| 4915 jni_UnregisterNatives, | |
| 4916 | |
| 4917 jni_MonitorEnter, | |
| 4918 jni_MonitorExit, | |
| 4919 | |
| 4920 jni_GetJavaVM, | |
| 4921 | |
| 4922 jni_GetStringRegion, | |
| 4923 jni_GetStringUTFRegion, | |
| 4924 | |
| 4925 jni_GetPrimitiveArrayCritical, | |
| 4926 jni_ReleasePrimitiveArrayCritical, | |
| 4927 | |
| 4928 jni_GetStringCritical, | |
| 4929 jni_ReleaseStringCritical, | |
| 4930 | |
| 4931 jni_NewWeakGlobalRef, | |
| 4932 jni_DeleteWeakGlobalRef, | |
| 4933 | |
| 4934 jni_ExceptionCheck, | |
| 4935 | |
| 4936 jni_NewDirectByteBuffer, | |
| 4937 jni_GetDirectBufferAddress, | |
| 4938 jni_GetDirectBufferCapacity, | |
| 4939 | |
| 4940 // New 1_6 features | |
| 4941 | |
| 4942 jni_GetObjectRefType | |
| 4943 }; | |
| 4944 | |
| 4945 | |
| 4946 // For jvmti use to modify jni function table. | |
| 4947 // Java threads in native contiues to run until it is transitioned | |
| 4948 // to VM at safepoint. Before the transition or before it is blocked | |
| 4949 // for safepoint it may access jni function table. VM could crash if | |
| 4950 // any java thread access the jni function table in the middle of memcpy. | |
| 4951 // To avoid this each function pointers are copied automically. | |
| 4952 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4953 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4954 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4955 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4956 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4957 Atomic::store_ptr(*b++, a++); | |
| 4958 } | |
| 4959 } | |
| 4960 | |
| 4961 void quicken_jni_functions() { | |
| 4962 // Replace Get<Primitive>Field with fast versions | |
| 4963 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4964 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4965 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4966 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4967 // versions currently isn't certain for server vm on uniprocessor. | |
| 4968 && os::is_MP() | |
| 4969 #endif | |
| 4970 ) { | |
| 4971 address func; | |
| 4972 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4973 if (func != (address)-1) { | |
| 4974 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4975 } | |
| 4976 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4977 if (func != (address)-1) { | |
| 4978 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4979 } | |
| 4980 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4981 if (func != (address)-1) { | |
| 4982 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4983 } | |
| 4984 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4985 if (func != (address)-1) { | |
| 4986 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4987 } | |
| 4988 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4989 if (func != (address)-1) { | |
| 4990 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4991 } | |
| 4992 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4993 if (func != (address)-1) { | |
| 4994 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4995 } | |
| 4996 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4997 if (func != (address)-1) { | |
| 4998 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4999 } | |
| 5000 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 5001 if (func != (address)-1) { | |
| 5002 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 5003 } | |
| 5004 } | |
| 5005 } | |
| 5006 | |
| 5007 // Returns the function structure | |
| 5008 struct JNINativeInterface_* jni_functions() { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
5009 #if INCLUDE_JNI_CHECK |
| 0 | 5010 if (CheckJNICalls) return jni_functions_check(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
5011 #endif // INCLUDE_JNI_CHECK |
| 0 | 5012 return &jni_NativeInterface; |
| 5013 } | |
| 5014 | |
| 5015 // Returns the function structure | |
| 5016 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 5017 return &jni_NativeInterface; | |
| 5018 } | |
| 5019 | |
| 5020 | |
| 5021 // Invocation API | |
| 5022 | |
| 5023 | |
| 5024 // Forward declaration | |
| 5025 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 5026 | |
| 5027 // Global invocation API vars | |
| 5028 volatile jint vm_created = 0; | |
| 5029 // Indicate whether it is safe to recreate VM | |
| 5030 volatile jint safe_to_recreate_vm = 1; | |
| 5031 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5032 | |
| 5033 | |
| 5034 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5035 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5036 | |
| 4006 | 5037 #ifndef USDT2 |
| 0 | 5038 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5039 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5040 #else /* USDT2 */ |
| 5041 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5042 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5043 #endif /* USDT2 */ | |
| 0 | 5044 |
| 5045 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5046 #ifndef USDT2 |
| 0 | 5047 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5048 #else /* USDT2 */ |
| 5049 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5050 args_); | |
| 5051 #endif /* USDT2 */ | |
| 0 | 5052 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5053 jint ret = JNI_ERR; | |
| 5054 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5055 | |
| 5056 if (Threads::is_supported_jni_version(args->version)) { | |
| 5057 ret = JNI_OK; | |
| 5058 } | |
| 5059 // 1.1 style no longer supported in hotspot. | |
| 5060 // According the JNI spec, we should update args->version on return. | |
| 5061 // We also use the structure to communicate with launcher about default | |
| 5062 // stack size. | |
| 5063 if (args->version == JNI_VERSION_1_1) { | |
| 5064 args->version = JNI_VERSION_1_2; | |
| 5065 // javaStackSize is int in arguments structure | |
| 5066 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5067 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5068 } | |
| 5069 return ret; | |
| 5070 } | |
| 5071 | |
| 3779 | 5072 #ifndef PRODUCT |
| 5073 | |
| 10405 | 5074 #include "gc_implementation/shared/gcTimer.hpp" |
| 4708 | 5075 #include "gc_interface/collectedHeap.hpp" |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5076 #if INCLUDE_ALL_GCS |
|
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5077 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
|
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5078 #endif |
|
20318
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
dsimms
parents:
20262
diff
changeset
|
5079 #include "memory/guardedMemory.hpp" |
| 3779 | 5080 #include "utilities/quickSort.hpp" |
| 12215 | 5081 #include "utilities/ostream.hpp" |
| 7171 | 5082 #if INCLUDE_VM_STRUCTS |
| 5083 #include "runtime/vmStructs.hpp" | |
| 5084 #endif | |
| 3779 | 5085 |
| 4708 | 5086 #define run_unit_test(unit_test_function_call) \ |
| 5087 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5088 unit_test_function_call | |
| 5089 | |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5090 // Forward declaration |
|
22974
c2ce24504334
8049864: TestParallelHeapSizeFlags fails with unexpected heap size
ehelin
parents:
20619
diff
changeset
|
5091 void TestOS_test(); |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5092 void TestReservedSpace_test(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5093 void TestReserveMemorySpecial_test(); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5094 void TestVirtualSpace_test(); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5095 void TestMetaspaceAux_test(); |
| 12902 | 5096 void TestMetachunk_test(); |
|
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
5097 void TestVirtualSpaceNode_test(); |
|
17898
1d01a7f3a336
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
17829
diff
changeset
|
5098 void TestNewSize_test(); |
|
20262
76b588255908
8035746: Add missing Klass::oop_is_instanceClassLoader() function
stefank
parents:
20255
diff
changeset
|
5099 void TestKlass_test(); |
| 20360 | 5100 void Test_linked_list(); |
|
20619
b12a2a9b05ca
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
20360
diff
changeset
|
5101 void TestChunkedList_test(); |
| 17694 | 5102 #if INCLUDE_ALL_GCS |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
12979
diff
changeset
|
5103 void TestOldFreeSpaceCalculation_test(); |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5104 void TestG1BiasedArray_test(); |
|
20255
02e61cf08ab3
8033764: Remove the usage of StarTask from BufferingOopClosure
stefank
parents:
20197
diff
changeset
|
5105 void TestBufferingOopClosure_test(); |
|
17753
191174b49bec
8035406: Improve data structure for Code Cache remembered sets
tschatzl
parents:
17704
diff
changeset
|
5106 void TestCodeCacheRemSet_test(); |
| 20337 | 5107 void FreeRegionList_test(); |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5108 #endif |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5109 |
| 3779 | 5110 void execute_internal_vm_tests() { |
| 5111 if (ExecuteInternalVMTests) { | |
| 4708 | 5112 tty->print_cr("Running internal VM tests"); |
|
22974
c2ce24504334
8049864: TestParallelHeapSizeFlags fails with unexpected heap size
ehelin
parents:
20619
diff
changeset
|
5113 run_unit_test(TestOS_test()); |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5114 run_unit_test(TestReservedSpace_test()); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5115 run_unit_test(TestReserveMemorySpecial_test()); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5116 run_unit_test(TestVirtualSpace_test()); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5117 run_unit_test(TestMetaspaceAux_test()); |
| 12902 | 5118 run_unit_test(TestMetachunk_test()); |
|
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
5119 run_unit_test(TestVirtualSpaceNode_test()); |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
5120 run_unit_test(GlobalDefinitions::test_globals()); |
| 10405 | 5121 run_unit_test(GCTimerAllTest::all()); |
| 4708 | 5122 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 5123 run_unit_test(CollectedHeap::test_is_in()); | |
| 5124 run_unit_test(QuickSort::test_quick_sort()); | |
|
20318
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
dsimms
parents:
20262
diff
changeset
|
5125 run_unit_test(GuardedMemory::test_guarded_memory()); |
| 6162 | 5126 run_unit_test(AltHashing::test_alt_hash()); |
| 12215 | 5127 run_unit_test(test_loggc_filename()); |
|
17898
1d01a7f3a336
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
17829
diff
changeset
|
5128 run_unit_test(TestNewSize_test()); |
|
20262
76b588255908
8035746: Add missing Klass::oop_is_instanceClassLoader() function
stefank
parents:
20255
diff
changeset
|
5129 run_unit_test(TestKlass_test()); |
| 20360 | 5130 run_unit_test(Test_linked_list()); |
|
20619
b12a2a9b05ca
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
20360
diff
changeset
|
5131 run_unit_test(TestChunkedList_test()); |
| 7171 | 5132 #if INCLUDE_VM_STRUCTS |
| 5133 run_unit_test(VMStructs::test()); | |
| 5134 #endif | |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5135 #if INCLUDE_ALL_GCS |
| 17694 | 5136 run_unit_test(TestOldFreeSpaceCalculation_test()); |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5137 run_unit_test(TestG1BiasedArray_test()); |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5138 run_unit_test(HeapRegionRemSet::test_prt()); |
|
20255
02e61cf08ab3
8033764: Remove the usage of StarTask from BufferingOopClosure
stefank
parents:
20197
diff
changeset
|
5139 run_unit_test(TestBufferingOopClosure_test()); |
|
17753
191174b49bec
8035406: Improve data structure for Code Cache remembered sets
tschatzl
parents:
17704
diff
changeset
|
5140 run_unit_test(TestCodeCacheRemSet_test()); |
| 20337 | 5141 if (UseG1GC) { |
| 5142 run_unit_test(FreeRegionList_test()); | |
| 5143 } | |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5144 #endif |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5145 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5146 } |
| 5147 } | |
| 5148 | |
| 4708 | 5149 #undef run_unit_test |
| 5150 | |
| 3779 | 5151 #endif |
| 5152 | |
| 4006 | 5153 #ifndef USDT2 |
| 0 | 5154 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5155 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5156 #else /* USDT2 */ |
| 5157 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5158 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5159 #endif /* USDT2 */ | |
| 0 | 5160 |
| 5161 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5162 #ifndef USDT2 |
| 0 | 5163 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5164 #else /* USDT2 */ |
| 5165 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5166 (void **) vm, penv, args); | |
| 5167 #endif /* USDT2 */ | |
| 0 | 5168 |
| 5169 jint result = JNI_ERR; | |
| 5170 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5171 | |
| 1078 | 5172 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5173 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5174 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5175 // on all architectures. So we check it works before relying on it. | |
| 5176 #if defined(ZERO) && defined(ASSERT) | |
| 5177 { | |
| 5178 jint a = 0xcafebabe; | |
| 5179 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5180 void *c = &a; | |
| 5181 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5182 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5183 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5184 } | |
| 5185 #endif // ZERO && ASSERT | |
| 5186 | |
| 0 | 5187 // At the moment it's only possible to have one Java VM, |
| 5188 // since some of the runtime state is in global variables. | |
| 5189 | |
| 5190 // We cannot use our mutex locks here, since they only work on | |
| 5191 // Threads. We do an atomic compare and exchange to ensure only | |
| 5192 // one thread can call this method at a time | |
| 5193 | |
| 5194 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5195 // the add/dec implementations are dependent on whether we are running | |
| 5196 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5197 // function used to determine this will always return false. Atomic::xchg | |
| 5198 // does not have this problem. | |
| 5199 if (Atomic::xchg(1, &vm_created) == 1) { | |
|
11089
f323bbb0e6c1
8019833: Wrong JNI error code for preexisting JVM
coleenp
parents:
11059
diff
changeset
|
5200 return JNI_EEXIST; // already created, or create attempt in progress |
| 0 | 5201 } |
| 5202 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5203 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5204 } | |
| 5205 | |
| 5206 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5207 | |
| 5208 /** | |
| 5209 * Certain errors during initialization are recoverable and do not | |
| 5210 * prevent this method from being called again at a later time | |
| 5211 * (perhaps with different arguments). However, at a certain | |
| 5212 * point during initialization if an error occurs we cannot allow | |
| 5213 * this function to be called again (or it will crash). In those | |
| 5214 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5215 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5216 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5217 */ | |
| 5218 bool can_try_again = true; | |
| 5219 | |
| 5220 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5221 if (result == JNI_OK) { | |
| 5222 JavaThread *thread = JavaThread::current(); | |
| 5223 /* thread is thread_in_vm here */ | |
| 5224 *vm = (JavaVM *)(&main_vm); | |
| 5225 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5226 | |
| 5227 // Tracks the time application was running before GC | |
| 5228 RuntimeService::record_application_start(); | |
| 5229 | |
| 5230 // Notify JVMTI | |
| 5231 if (JvmtiExport::should_post_thread_life()) { | |
| 5232 JvmtiExport::post_thread_start(thread); | |
| 5233 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5234 |
| 10405 | 5235 EventThreadStart event; |
| 5236 if (event.should_commit()) { | |
| 5237 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5238 event.commit(); | |
| 5239 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5240 |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5241 #ifndef PRODUCT |
|
17829
0118c8c7b80f
8038633: crash in VM_Version::get_processor_features() on startup
kvn
parents:
17753
diff
changeset
|
5242 #ifndef CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5243 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f() |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5244 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5245 |
| 0 | 5246 // Check if we should compile all classes on bootclasspath |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5247 if (CompileTheWorld) ClassLoader::compile_the_world(); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5248 if (ReplayCompiles) ciReplay::replay(thread); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5249 |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5250 // Some platforms (like Win*) need a wrapper around these test |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5251 // functions in order to properly handle error conditions. |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5252 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5253 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5254 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5255 |
| 0 | 5256 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5257 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5258 } else { | |
| 5259 if (can_try_again) { | |
| 5260 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5261 safe_to_recreate_vm = 1; | |
| 5262 } | |
| 5263 | |
| 5264 // Creation failed. We must reset vm_created | |
| 5265 *vm = 0; | |
| 5266 *(JNIEnv**)penv = 0; | |
| 5267 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5268 // control both compiler and architectural-based reordering. | |
| 5269 OrderAccess::release_store(&vm_created, 0); | |
| 5270 } | |
| 5271 | |
| 5272 return result; | |
| 5273 } | |
| 5274 | |
| 4006 | 5275 #ifndef USDT2 |
| 0 | 5276 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5277 JavaVM**, jsize, jsize*); | |
| 5278 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5279 #endif /* !USDT2 */ |
| 0 | 5280 |
| 5281 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5282 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5283 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5284 #ifndef USDT2 |
| 0 | 5285 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5286 vm_buf, bufLen, numVMs); | |
| 4006 | 5287 #else /* USDT2 */ |
| 5288 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5289 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5290 #endif /* USDT2 */ | |
| 0 | 5291 if (vm_created) { |
| 5292 if (numVMs != NULL) *numVMs = 1; | |
| 5293 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5294 } else { | |
| 5295 if (numVMs != NULL) *numVMs = 0; | |
| 5296 } | |
| 4006 | 5297 #ifndef USDT2 |
| 0 | 5298 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5299 #else /* USDT2 */ |
| 5300 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5301 JNI_OK); | |
| 5302 #endif /* USDT2 */ | |
| 0 | 5303 return JNI_OK; |
| 5304 } | |
| 5305 | |
| 5306 extern "C" { | |
| 5307 | |
| 4006 | 5308 #ifndef USDT2 |
| 0 | 5309 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5310 #else /* USDT2 */ |
| 5311 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5312 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5313 #endif /* USDT2 */ | |
| 0 | 5314 |
| 5315 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5316 #ifndef USDT2 |
| 0 | 5317 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5318 #else /* USDT2 */ |
| 5319 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5320 vm); | |
| 5321 #endif /* USDT2 */ | |
| 0 | 5322 jint res = JNI_ERR; |
| 5323 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5324 | |
| 5325 if (!vm_created) { | |
| 5326 res = JNI_ERR; | |
| 5327 return res; | |
| 5328 } | |
| 5329 | |
| 5330 JNIWrapper("DestroyJavaVM"); | |
| 5331 JNIEnv *env; | |
| 5332 JavaVMAttachArgs destroyargs; | |
| 5333 destroyargs.version = CurrentVersion; | |
| 5334 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5335 destroyargs.group = NULL; | |
| 5336 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5337 if (res != JNI_OK) { | |
| 5338 return res; | |
| 5339 } | |
| 5340 | |
| 5341 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5342 JavaThread* thread = JavaThread::current(); | |
| 5343 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5344 if (Threads::destroy_vm()) { | |
| 5345 // Should not change thread state, VM is gone | |
| 5346 vm_created = false; | |
| 5347 res = JNI_OK; | |
| 5348 return res; | |
| 5349 } else { | |
| 5350 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5351 res = JNI_ERR; | |
| 5352 return res; | |
| 5353 } | |
| 5354 } | |
| 5355 | |
| 5356 | |
| 5357 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5358 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5359 | |
| 5360 // Check below commented out from JDK1.2fcs as well | |
| 5361 /* | |
| 5362 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5363 return JNI_EVERSION; | |
| 5364 } | |
| 5365 */ | |
| 5366 | |
| 5367 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5368 if (t != NULL) { | |
| 5369 // If the thread has been attached this operation is a no-op | |
| 5370 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5371 return JNI_OK; | |
| 5372 } | |
| 5373 | |
| 5374 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5375 // ThreadsListEnumerator - see CR 6404306 | |
| 5376 JavaThread* thread = new JavaThread(true); | |
| 5377 | |
| 5378 // Set correct safepoint info. The thread is going to call into Java when | |
| 5379 // initializing the Java level thread object. Hence, the correct state must | |
| 5380 // be set in order for the Safepoint code to deal with it correctly. | |
| 5381 thread->set_thread_state(_thread_in_vm); | |
| 5382 // Must do this before initialize_thread_local_storage | |
| 5383 thread->record_stack_base_and_size(); | |
|
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|
5384 |
| 0 | 5385 thread->initialize_thread_local_storage(); |
| 5386 | |
| 5387 if (!os::create_attached_thread(thread)) { | |
| 5388 delete thread; | |
| 5389 return JNI_ERR; | |
| 5390 } | |
|
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5391 // Enable stack overflow checks |
|
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|
5392 thread->create_stack_guard_pages(); |
|
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|
5393 |
| 0 | 5394 thread->initialize_tlab(); |
| 5395 | |
|
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|
5396 thread->cache_global_variables(); |
|
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|
5397 |
| 0 | 5398 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5399 // not been added to the Thread list yet. | |
| 5400 { Threads_lock->lock_without_safepoint_check(); | |
| 5401 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5402 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5403 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5404 Threads::add(thread, daemon); | |
| 5405 Threads_lock->unlock(); | |
| 5406 } | |
| 5407 // Create thread group and name info from attach arguments | |
| 5408 oop group = NULL; | |
| 5409 char* thread_name = NULL; | |
| 5410 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5411 group = JNIHandles::resolve(args->group); | |
| 5412 thread_name = args->name; // may be NULL | |
| 5413 } | |
| 5414 if (group == NULL) group = Universe::main_thread_group(); | |
| 5415 | |
| 5416 // Create Java level thread object and attach it to this thread | |
| 5417 bool attach_failed = false; | |
| 5418 { | |
| 5419 EXCEPTION_MARK; | |
| 5420 HandleMark hm(THREAD); | |
| 5421 Handle thread_group(THREAD, group); | |
| 5422 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5423 if (HAS_PENDING_EXCEPTION) { | |
| 5424 CLEAR_PENDING_EXCEPTION; | |
| 5425 // cleanup outside the handle mark. | |
| 5426 attach_failed = true; | |
| 5427 } | |
| 5428 } | |
| 5429 | |
| 5430 if (attach_failed) { | |
| 5431 // Added missing cleanup | |
| 5432 thread->cleanup_failed_attach_current_thread(); | |
| 5433 return JNI_ERR; | |
| 5434 } | |
| 5435 | |
| 5436 // mark the thread as no longer attaching | |
| 5437 // this uses a fence to push the change through so we don't have | |
| 5438 // to regrab the threads_lock | |
| 4006 | 5439 thread->set_done_attaching_via_jni(); |
| 0 | 5440 |
| 5441 // Set java thread status. | |
| 5442 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5443 java_lang_Thread::RUNNABLE); | |
| 5444 | |
| 5445 // Notify the debugger | |
| 5446 if (JvmtiExport::should_post_thread_life()) { | |
| 5447 JvmtiExport::post_thread_start(thread); | |
| 5448 } | |
| 5449 | |
| 10405 | 5450 EventThreadStart event; |
| 5451 if (event.should_commit()) { | |
| 5452 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5453 event.commit(); | |
| 5454 } | |
|
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|
5455 |
| 0 | 5456 *(JNIEnv**)penv = thread->jni_environment(); |
| 5457 | |
| 5458 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5459 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5460 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5461 // needed. | |
| 5462 | |
| 5463 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5464 | |
| 5465 // Perform any platform dependent FPU setup | |
| 5466 os::setup_fpu(); | |
| 5467 | |
| 5468 return JNI_OK; | |
| 5469 } | |
| 5470 | |
| 5471 | |
| 5472 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5473 #ifndef USDT2 |
| 0 | 5474 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5475 #else /* USDT2 */ |
| 5476 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5477 vm, penv, _args); | |
| 5478 #endif /* USDT2 */ | |
| 0 | 5479 if (!vm_created) { |
| 4006 | 5480 #ifndef USDT2 |
| 0 | 5481 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5482 #else /* USDT2 */ |
| 5483 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5484 (uint32_t) JNI_ERR); | |
| 5485 #endif /* USDT2 */ | |
| 0 | 5486 return JNI_ERR; |
| 5487 } | |
| 5488 | |
| 5489 JNIWrapper("AttachCurrentThread"); | |
| 5490 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5491 #ifndef USDT2 |
| 0 | 5492 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5493 #else /* USDT2 */ |
| 5494 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5495 ret); | |
| 5496 #endif /* USDT2 */ | |
| 0 | 5497 return ret; |
| 5498 } | |
| 5499 | |
| 5500 | |
| 5501 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5502 #ifndef USDT2 |
| 0 | 5503 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5504 #else /* USDT2 */ |
| 5505 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5506 vm); | |
| 5507 #endif /* USDT2 */ | |
| 0 | 5508 VM_Exit::block_if_vm_exited(); |
| 5509 | |
| 5510 JNIWrapper("DetachCurrentThread"); | |
| 5511 | |
| 5512 // If the thread has been deattacted the operations is a no-op | |
| 5513 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5514 #ifndef USDT2 |
| 0 | 5515 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5516 #else /* USDT2 */ |
| 5517 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5518 JNI_OK); | |
| 5519 #endif /* USDT2 */ | |
| 0 | 5520 return JNI_OK; |
| 5521 } | |
| 5522 | |
| 5523 JavaThread* thread = JavaThread::current(); | |
| 5524 if (thread->has_last_Java_frame()) { | |
| 4006 | 5525 #ifndef USDT2 |
| 0 | 5526 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5527 #else /* USDT2 */ |
| 5528 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5529 (uint32_t) JNI_ERR); | |
| 5530 #endif /* USDT2 */ | |
| 0 | 5531 // Can't detach a thread that's running java, that can't work. |
| 5532 return JNI_ERR; | |
| 5533 } | |
| 5534 | |
| 5535 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5536 // middel of a safepoint operation | |
| 5537 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5538 | |
| 5539 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5540 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5541 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5542 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5543 // the removal of the guards is buried below in JavaThread::exit() | |
| 5544 // here. The abstraction should be more symmetrically either exposed | |
| 5545 // or hidden (e.g. it could probably be hidden in the same | |
| 5546 // (platform-dependent) methods where we do alternate stack | |
| 5547 // maintenance work?) | |
| 5548 thread->exit(false, JavaThread::jni_detach); | |
| 5549 delete thread; | |
| 5550 | |
| 4006 | 5551 #ifndef USDT2 |
| 0 | 5552 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5553 #else /* USDT2 */ |
| 5554 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5555 JNI_OK); | |
| 5556 #endif /* USDT2 */ | |
| 0 | 5557 return JNI_OK; |
| 5558 } | |
| 5559 | |
| 4006 | 5560 #ifndef USDT2 |
| 0 | 5561 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5562 #else /* USDT2 */ |
| 5563 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5564 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5565 #endif /* USDT2 */ | |
| 0 | 5566 |
| 5567 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5568 #ifndef USDT2 |
| 0 | 5569 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5570 #else /* USDT2 */ |
| 5571 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5572 vm, penv, version); | |
| 5573 #endif /* USDT2 */ | |
| 0 | 5574 jint ret = JNI_ERR; |
| 5575 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5576 | |
| 5577 if (!vm_created) { | |
| 5578 *penv = NULL; | |
| 5579 ret = JNI_EDETACHED; | |
| 5580 return ret; | |
| 5581 } | |
| 5582 | |
|
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|
5583 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5584 return ret; |
| 5585 } | |
| 5586 | |
| 5587 #ifndef JVMPI_VERSION_1 | |
| 5588 // need these in order to be polite about older agents | |
| 5589 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5590 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5591 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5592 #endif // !JVMPI_VERSION_1 | |
| 5593 | |
| 5594 Thread* thread = ThreadLocalStorage::thread(); | |
| 5595 if (thread != NULL && thread->is_Java_thread()) { | |
| 5596 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5597 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5598 ret = JNI_OK; | |
| 5599 return ret; | |
| 5600 | |
| 5601 } else if (version == JVMPI_VERSION_1 || | |
| 5602 version == JVMPI_VERSION_1_1 || | |
| 5603 version == JVMPI_VERSION_1_2) { | |
| 5604 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5605 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5606 ret = JNI_EVERSION; | |
| 5607 return ret; | |
| 5608 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5609 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5610 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5611 ret = JNI_EVERSION; | |
| 5612 return ret; | |
| 5613 } else { | |
| 5614 *penv = NULL; | |
| 5615 ret = JNI_EVERSION; | |
| 5616 return ret; | |
| 5617 } | |
| 5618 } else { | |
| 5619 *penv = NULL; | |
| 5620 ret = JNI_EDETACHED; | |
| 5621 return ret; | |
| 5622 } | |
| 5623 } | |
| 5624 | |
| 5625 | |
| 5626 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5627 #ifndef USDT2 |
| 0 | 5628 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5629 #else /* USDT2 */ |
| 5630 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5631 vm, penv, _args); | |
| 5632 #endif /* USDT2 */ | |
| 0 | 5633 if (!vm_created) { |
| 4006 | 5634 #ifndef USDT2 |
| 0 | 5635 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5636 #else /* USDT2 */ |
| 5637 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5638 (uint32_t) JNI_ERR); | |
| 5639 #endif /* USDT2 */ | |
| 0 | 5640 return JNI_ERR; |
| 5641 } | |
| 5642 | |
| 5643 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5644 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5645 #ifndef USDT2 |
| 0 | 5646 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5647 #else /* USDT2 */ |
| 5648 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5649 ret); | |
| 5650 #endif /* USDT2 */ | |
| 0 | 5651 return ret; |
| 5652 } | |
| 5653 | |
| 5654 | |
| 5655 } // End extern "C" | |
| 5656 | |
| 5657 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5658 NULL, | |
| 5659 NULL, | |
| 5660 NULL, | |
| 5661 | |
| 5662 jni_DestroyJavaVM, | |
| 5663 jni_AttachCurrentThread, | |
| 5664 jni_DetachCurrentThread, | |
| 5665 jni_GetEnv, | |
| 5666 jni_AttachCurrentThreadAsDaemon | |
| 5667 }; |