Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 12355:cefad50507d8
Merge with hs25-b53
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Fri, 11 Oct 2013 10:38:03 +0200 |
| parents | 6b0fd0964b87 03f493ce3a71 |
| children | 359f7e70ae7f |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, 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 #ifdef GRAAL |
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37 #include "graal/graalCompiler.hpp" |
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38 #endif |
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39 #if INCLUDE_ALL_GCS |
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40 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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41 #endif // INCLUDE_ALL_GCS |
| 6197 | 42 #include "memory/allocation.hpp" |
| 1972 | 43 #include "memory/allocation.inline.hpp" |
| 44 #include "memory/gcLocker.inline.hpp" | |
| 45 #include "memory/oopFactory.hpp" | |
| 46 #include "memory/universe.inline.hpp" | |
| 47 #include "oops/instanceKlass.hpp" | |
| 48 #include "oops/instanceOop.hpp" | |
| 49 #include "oops/markOop.hpp" | |
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50 #include "oops/method.hpp" |
| 1972 | 51 #include "oops/objArrayKlass.hpp" |
| 52 #include "oops/objArrayOop.hpp" | |
| 53 #include "oops/oop.inline.hpp" | |
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54 #include "oops/symbol.hpp" |
| 1972 | 55 #include "oops/typeArrayKlass.hpp" |
| 56 #include "oops/typeArrayOop.hpp" | |
| 57 #include "prims/jni.h" | |
| 58 #include "prims/jniCheck.hpp" | |
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59 #include "prims/jniExport.hpp" |
| 1972 | 60 #include "prims/jniFastGetField.hpp" |
| 61 #include "prims/jvm.h" | |
| 62 #include "prims/jvm_misc.hpp" | |
| 63 #include "prims/jvmtiExport.hpp" | |
| 64 #include "prims/jvmtiThreadState.hpp" | |
| 65 #include "runtime/compilationPolicy.hpp" | |
| 66 #include "runtime/fieldDescriptor.hpp" | |
| 67 #include "runtime/fprofiler.hpp" | |
| 68 #include "runtime/handles.inline.hpp" | |
| 69 #include "runtime/interfaceSupport.hpp" | |
| 70 #include "runtime/java.hpp" | |
| 71 #include "runtime/javaCalls.hpp" | |
| 72 #include "runtime/jfieldIDWorkaround.hpp" | |
| 73 #include "runtime/reflection.hpp" | |
| 74 #include "runtime/sharedRuntime.hpp" | |
| 75 #include "runtime/signature.hpp" | |
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76 #include "runtime/thread.inline.hpp" |
| 1972 | 77 #include "runtime/vm_operations.hpp" |
| 78 #include "services/runtimeService.hpp" | |
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79 #include "trace/tracing.hpp" |
| 1972 | 80 #include "utilities/defaultStream.hpp" |
| 81 #include "utilities/dtrace.hpp" | |
| 82 #include "utilities/events.hpp" | |
| 83 #include "utilities/histogram.hpp" | |
| 84 #ifdef TARGET_OS_FAMILY_linux | |
| 85 # include "os_linux.inline.hpp" | |
| 86 #endif | |
| 87 #ifdef TARGET_OS_FAMILY_solaris | |
| 88 # include "os_solaris.inline.hpp" | |
| 89 #endif | |
| 90 #ifdef TARGET_OS_FAMILY_windows | |
| 91 # include "os_windows.inline.hpp" | |
| 92 #endif | |
| 3960 | 93 #ifdef TARGET_OS_FAMILY_bsd |
| 94 # include "os_bsd.inline.hpp" | |
| 95 #endif | |
| 0 | 96 |
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97 static jint CurrentVersion = JNI_VERSION_1_8; |
| 0 | 98 |
| 99 | |
| 100 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 101 // '-return' probe regardless of the return path is taken out of the function. | |
| 102 // Methods that have multiple return paths use this to avoid having to | |
| 103 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 104 // since those macros can cause an immedate uninstrumented return. | |
| 105 // | |
| 106 // In order to get the return value, a reference to the variable containing | |
| 107 // the return value must be passed to the contructor of the object, and | |
| 108 // the return value must be set before return (since the mark object has | |
| 109 // a reference to it). | |
| 110 // | |
| 111 // Example: | |
| 112 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 113 // JNI_ENTRY(int, SomeFunc, ...) | |
| 114 // int return_value = 0; | |
| 115 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 116 // foo(CHECK_0) | |
| 117 // return_value = 5; | |
| 118 // return return_value; | |
| 119 // JNI_END | |
| 4006 | 120 #ifndef USDT2 |
| 0 | 121 #define DT_RETURN_MARK_DECL(name, type) \ |
| 122 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 123 DTRACE_ONLY( \ | |
| 124 class DTraceReturnProbeMark_##name { \ | |
| 125 public: \ | |
| 126 const type& _ret_ref; \ | |
| 127 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 128 ~DTraceReturnProbeMark_##name() { \ | |
| 129 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 130 } \ | |
| 131 } \ | |
| 132 ) | |
| 133 // Void functions are simpler since there's no return value | |
| 134 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 135 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 136 DTRACE_ONLY( \ | |
| 137 class DTraceReturnProbeMark_##name { \ | |
| 138 public: \ | |
| 139 ~DTraceReturnProbeMark_##name() { \ | |
| 140 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 141 } \ | |
| 142 } \ | |
| 143 ) | |
| 144 | |
| 4006 | 145 #else /* USDT2 */ |
| 146 | |
| 147 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 148 DTRACE_ONLY( \ | |
| 149 class DTraceReturnProbeMark_##name { \ | |
| 150 public: \ | |
| 151 const type& _ret_ref; \ | |
| 152 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 153 ~DTraceReturnProbeMark_##name() { \ | |
| 154 probe; \ | |
| 155 } \ | |
| 156 } \ | |
| 157 ) | |
| 158 // Void functions are simpler since there's no return value | |
| 159 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 160 DTRACE_ONLY( \ | |
| 161 class DTraceReturnProbeMark_##name { \ | |
| 162 public: \ | |
| 163 ~DTraceReturnProbeMark_##name() { \ | |
| 164 probe; \ | |
| 165 } \ | |
| 166 } \ | |
| 167 ) | |
| 168 #endif /* USDT2 */ | |
| 0 | 169 |
| 170 // Place these macros in the function to mark the return. Non-void | |
| 171 // functions need the type and address of the return value. | |
| 172 #define DT_RETURN_MARK(name, type, ref) \ | |
| 173 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 174 #define DT_VOID_RETURN_MARK(name) \ | |
| 175 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 176 | |
| 177 | |
| 178 // Use these to select distinct code for floating-point vs. non-floating point | |
| 179 // situations. Used from within common macros where we need slightly | |
| 180 // different behavior for Float/Double | |
| 181 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 182 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 183 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 184 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 185 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 186 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 187 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 188 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 189 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 190 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 191 FP_SELECT_##TypeName(intcode, fpcode) | |
| 192 | |
| 193 #define COMMA , | |
| 194 | |
| 195 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 196 // (dtrace doesn't do FP yet) | |
| 4006 | 197 #ifndef USDT2 |
| 0 | 198 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 199 FP_SELECT(TypeName, \ | |
| 200 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 201 #else /* USDT2 */ |
| 202 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 203 FP_SELECT(TypeName, \ | |
| 204 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 205 #endif /* USDT2 */ | |
| 0 | 206 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 207 FP_SELECT(TypeName, \ | |
| 208 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 209 | |
| 210 | |
| 211 // out-of-line helpers for class jfieldIDWorkaround: | |
| 212 | |
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213 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 214 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 215 uintptr_t as_uint = (uintptr_t) id; | |
| 216 intptr_t offset = raw_instance_offset(id); | |
| 217 if (is_checked_jfieldID(id)) { | |
| 218 if (!klass_hash_ok(k, id)) { | |
| 219 return false; | |
| 220 } | |
| 221 } | |
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222 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 223 } else { |
| 224 JNIid* result = (JNIid*) id; | |
| 225 #ifdef ASSERT | |
| 226 return result != NULL && result->is_static_field_id(); | |
| 227 #else | |
| 228 return result != NULL; | |
| 229 #endif | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 | |
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234 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 235 if (offset <= small_offset_mask) { |
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236 Klass* field_klass = k; |
| 6983 | 237 Klass* super_klass = field_klass->super(); |
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238 // With compressed oops the most super class with nonstatic fields would |
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239 // be the owner of fields embedded in the header. |
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240 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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241 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 242 field_klass = super_klass; // super contains the field also |
| 6983 | 243 super_klass = field_klass->super(); |
| 0 | 244 } |
| 245 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 246 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 247 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 248 } else { | |
| 249 #if 0 | |
| 250 #ifndef PRODUCT | |
| 251 { | |
| 252 ResourceMark rm; | |
| 6983 | 253 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 254 } |
| 255 #endif | |
| 256 #endif | |
| 257 return 0; | |
| 258 } | |
| 259 } | |
| 260 | |
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261 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 262 uintptr_t as_uint = (uintptr_t) id; |
| 263 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 264 do { | |
| 265 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 266 // Could use a non-blocking query for identity_hash here... | |
| 267 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 268 return true; | |
| 6983 | 269 k = k->super(); |
| 0 | 270 } while (k != NULL); |
| 271 return false; | |
| 272 } | |
| 273 | |
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274 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 275 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 276 uintptr_t as_uint = (uintptr_t) id; | |
| 277 intptr_t offset = raw_instance_offset(id); | |
| 278 if (VerifyJNIFields) { | |
| 279 if (is_checked_jfieldID(id)) { | |
| 280 guarantee(klass_hash_ok(k, id), | |
| 281 "Bug in native code: jfieldID class must match object"); | |
| 282 } else { | |
| 283 #if 0 | |
| 284 #ifndef PRODUCT | |
| 285 if (Verbose) { | |
| 286 ResourceMark rm; | |
| 6983 | 287 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 288 } |
| 289 #endif | |
| 290 #endif | |
| 291 } | |
| 292 } | |
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293 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 294 "Bug in native code: jfieldID offset must address interior of object"); |
| 295 } | |
| 296 | |
| 297 // Pick a reasonable higher bound for local capacity requested | |
| 298 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 299 // high because a test (or very unusual application) may try to allocate | |
| 300 // that many handles and run out of swap space. An implementation is | |
| 301 // permitted to allocate more handles than the ensured capacity, so this | |
| 302 // value is set high enough to prevent compatibility problems. | |
| 303 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 304 | |
| 305 | |
| 306 // Wrapper to trace JNI functions | |
| 307 | |
| 308 #ifdef ASSERT | |
| 309 Histogram* JNIHistogram; | |
| 310 static volatile jint JNIHistogram_lock = 0; | |
| 311 | |
| 312 class JNITraceWrapper : public StackObj { | |
| 313 public: | |
| 314 JNITraceWrapper(const char* format, ...) { | |
| 315 if (TraceJNICalls) { | |
| 316 va_list ap; | |
| 317 va_start(ap, format); | |
| 318 tty->print("JNI "); | |
| 319 tty->vprint_cr(format, ap); | |
| 320 va_end(ap); | |
| 321 } | |
| 322 } | |
| 323 }; | |
| 324 | |
| 325 class JNIHistogramElement : public HistogramElement { | |
| 326 public: | |
| 327 JNIHistogramElement(const char* name); | |
| 328 }; | |
| 329 | |
| 330 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 331 _name = elementName; | |
| 332 uintx count = 0; | |
| 333 | |
| 334 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 335 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 336 count +=1; | |
| 337 if ( (WarnOnStalledSpinLock > 0) | |
| 338 && (count % WarnOnStalledSpinLock == 0)) { | |
| 339 warning("JNIHistogram_lock seems to be stalled"); | |
| 340 } | |
| 341 } | |
| 342 } | |
| 343 | |
| 344 | |
| 345 if(JNIHistogram == NULL) | |
| 346 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 347 | |
| 348 JNIHistogram->add_element(this); | |
| 349 Atomic::dec(&JNIHistogram_lock); | |
| 350 } | |
| 351 | |
| 352 #define JNICountWrapper(arg) \ | |
| 353 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 354 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 355 if (e != NULL) e->increment_count() | |
| 356 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 357 #else | |
| 358 #define JNIWrapper(arg) | |
| 359 #endif | |
| 360 | |
| 361 | |
| 362 // Implementation of JNI entries | |
| 363 | |
| 4006 | 364 #ifndef USDT2 |
| 0 | 365 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 366 #else /* USDT2 */ |
| 367 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 368 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 369 #endif /* USDT2 */ | |
| 0 | 370 |
| 371 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 372 const jbyte *buf, jsize bufLen)) | |
| 373 JNIWrapper("DefineClass"); | |
| 374 | |
| 4006 | 375 #ifndef USDT2 |
| 0 | 376 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 377 env, name, loaderRef, buf, bufLen); | |
| 4006 | 378 #else /* USDT2 */ |
| 379 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 380 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 381 #endif /* USDT2 */ | |
| 0 | 382 jclass cls = NULL; |
| 383 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 384 | |
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385 TempNewSymbol class_name = NULL; |
| 0 | 386 // Since exceptions can be thrown, class initialization can take place |
| 387 // if name is NULL no check for class name in .class stream has to be made. | |
| 388 if (name != NULL) { | |
| 389 const int str_len = (int)strlen(name); | |
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390 if (str_len > Symbol::max_length()) { |
| 0 | 391 // It's impossible to create this class; the name cannot fit |
| 392 // into the constant pool. | |
| 393 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 394 } | |
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395 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 396 } |
| 397 ResourceMark rm(THREAD); | |
| 398 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 399 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 400 | |
| 401 if (UsePerfData && !class_loader.is_null()) { | |
| 402 // check whether the current caller thread holds the lock or not. | |
| 403 // If not, increment the corresponding counter | |
| 404 if (ObjectSynchronizer:: | |
| 405 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 406 ObjectSynchronizer::owner_self) { | |
| 407 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 408 } | |
| 409 } | |
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410 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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411 Handle(), &st, true, |
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412 CHECK_NULL); |
| 0 | 413 |
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414 if (TraceClassResolution && k != NULL) { |
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415 trace_class_resolution(k); |
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416 } |
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417 |
| 0 | 418 cls = (jclass)JNIHandles::make_local( |
| 6983 | 419 env, k->java_mirror()); |
| 0 | 420 return cls; |
| 421 JNI_END | |
| 422 | |
| 423 | |
| 424 | |
| 425 static bool first_time_FindClass = true; | |
| 426 | |
| 4006 | 427 #ifndef USDT2 |
| 0 | 428 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 429 #else /* USDT2 */ |
| 430 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 431 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 432 #endif /* USDT2 */ | |
| 0 | 433 |
| 434 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 435 JNIWrapper("FindClass"); | |
| 4006 | 436 #ifndef USDT2 |
| 0 | 437 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 438 #else /* USDT2 */ |
| 439 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 440 env, (char *)name); | |
| 441 #endif /* USDT2 */ | |
| 0 | 442 |
| 443 jclass result = NULL; | |
| 444 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 445 | |
| 446 // Remember if we are the first invocation of jni_FindClass | |
| 447 bool first_time = first_time_FindClass; | |
| 448 first_time_FindClass = false; | |
| 449 | |
| 450 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 451 // name we can fit in the constant pool. | |
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452 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 453 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 454 } | |
| 455 | |
| 456 //%note jni_3 | |
| 457 Handle loader; | |
| 458 Handle protection_domain; | |
| 459 // Find calling class | |
| 460 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 461 if (k.not_null()) { | |
| 462 loader = Handle(THREAD, k->class_loader()); | |
| 463 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 464 // in the correct class context. | |
| 465 if (loader.is_null() && | |
| 466 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 467 JavaValue result(T_OBJECT); | |
| 468 JavaCalls::call_static(&result, k, | |
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469 vmSymbols::getFromClass_name(), |
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470 vmSymbols::void_class_signature(), |
| 0 | 471 thread); |
| 472 if (HAS_PENDING_EXCEPTION) { | |
| 473 Handle ex(thread, thread->pending_exception()); | |
| 474 CLEAR_PENDING_EXCEPTION; | |
| 475 THROW_HANDLE_0(ex); | |
| 476 } | |
| 477 oop mirror = (oop) result.get_jobject(); | |
| 478 loader = Handle(THREAD, | |
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479 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 480 protection_domain = Handle(THREAD, |
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481 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 482 } |
| 483 } else { | |
| 484 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 485 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 486 } | |
| 487 | |
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488 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 489 result = find_class_from_class_loader(env, sym, true, loader, |
| 490 protection_domain, true, thread); | |
| 491 | |
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492 if (TraceClassResolution && result != NULL) { |
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493 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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494 } |
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495 |
| 0 | 496 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 497 // rather than just allowing invocation counter to overflow and decay. | |
| 498 // Controlled by flag DelayCompilationDuringStartup. | |
| 499 if (first_time && !CompileTheWorld) | |
| 500 CompilationPolicy::completed_vm_startup(); | |
| 501 | |
| 502 return result; | |
| 503 JNI_END | |
| 504 | |
| 4006 | 505 #ifndef USDT2 |
| 0 | 506 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 507 #else /* USDT2 */ |
| 508 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 509 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 510 #endif /* USDT2 */ | |
| 0 | 511 |
| 512 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 513 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 514 #ifndef USDT2 |
| 0 | 515 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 516 #else /* USDT2 */ |
| 517 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 518 env, method); | |
| 519 #endif /* USDT2 */ | |
| 0 | 520 jmethodID ret = NULL; |
| 521 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 522 | |
| 523 // method is a handle to a java.lang.reflect.Method object | |
| 524 oop reflected = JNIHandles::resolve_non_null(method); | |
| 525 oop mirror = NULL; | |
| 526 int slot = 0; | |
| 527 | |
| 1142 | 528 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 529 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 530 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 531 } else { | |
| 1142 | 532 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 533 mirror = java_lang_reflect_Method::clazz(reflected); |
| 534 slot = java_lang_reflect_Method::slot(reflected); | |
| 535 } | |
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536 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 537 |
| 538 KlassHandle k1(THREAD, k); | |
| 539 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 540 k1()->initialize(CHECK_NULL); |
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541 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 542 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 543 return ret; | |
| 544 JNI_END | |
| 545 | |
| 4006 | 546 #ifndef USDT2 |
| 0 | 547 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 548 #else /* USDT2 */ |
| 549 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 550 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 551 #endif /* USDT2 */ | |
| 0 | 552 |
| 553 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 554 JNIWrapper("FromReflectedField"); | |
| 4006 | 555 #ifndef USDT2 |
| 0 | 556 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 557 #else /* USDT2 */ |
| 558 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 559 env, field); | |
| 560 #endif /* USDT2 */ | |
| 0 | 561 jfieldID ret = NULL; |
| 562 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 563 | |
| 564 // field is a handle to a java.lang.reflect.Field object | |
| 565 oop reflected = JNIHandles::resolve_non_null(field); | |
| 566 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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567 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 568 int slot = java_lang_reflect_Field::slot(reflected); |
| 569 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 570 | |
| 571 KlassHandle k1(THREAD, k); | |
| 572 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 573 k1()->initialize(CHECK_NULL); |
| 0 | 574 |
| 575 // First check if this is a static field | |
| 576 if (modifiers & JVM_ACC_STATIC) { | |
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577 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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578 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 579 assert(id != NULL, "corrupt Field object"); |
| 580 debug_only(id->set_is_static_field_id();) | |
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581 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 582 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 583 return ret; | |
| 584 } | |
| 585 | |
| 586 // The slot is the index of the field description in the field-array | |
| 587 // The jfieldID is the offset of the field within the object | |
| 588 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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589 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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590 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 591 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 592 return ret; | |
| 593 JNI_END | |
| 594 | |
| 4006 | 595 #ifndef USDT2 |
| 0 | 596 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 597 #else /* USDT2 */ |
| 598 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 599 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 600 #endif /* USDT2 */ | |
| 0 | 601 |
| 602 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 603 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 604 #ifndef USDT2 |
| 0 | 605 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 606 #else /* USDT2 */ |
| 607 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 608 env, cls, (uintptr_t) method_id, isStatic); | |
| 609 #endif /* USDT2 */ | |
| 0 | 610 jobject ret = NULL; |
| 611 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 612 | |
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613 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 614 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 615 oop reflection_method; | |
| 616 if (m->is_initializer()) { | |
| 617 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 618 } else { | |
| 619 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 620 } | |
| 621 ret = JNIHandles::make_local(env, reflection_method); | |
| 622 return ret; | |
| 623 JNI_END | |
| 624 | |
| 4006 | 625 #ifndef USDT2 |
| 0 | 626 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 627 #else /* USDT2 */ |
| 628 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 629 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 630 #endif /* USDT2 */ | |
| 0 | 631 |
| 632 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 633 JNIWrapper("GetSuperclass"); | |
| 4006 | 634 #ifndef USDT2 |
| 0 | 635 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 636 #else /* USDT2 */ |
| 637 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 638 env, sub); | |
| 639 #endif /* USDT2 */ | |
| 0 | 640 jclass obj = NULL; |
| 641 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 642 | |
| 643 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 644 // primitive classes return NULL | |
| 645 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 646 | |
| 647 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 648 // arrays return Object | |
| 649 // interfaces return NULL | |
| 650 // proper classes return Klass::super() | |
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651 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 652 if (k->is_interface()) return NULL; |
| 0 | 653 |
| 654 // return mirror for superclass | |
| 6983 | 655 Klass* super = k->java_super(); |
| 0 | 656 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 657 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 658 ? SystemDictionary::Object_klass() |
| 6983 | 659 : k->super() ) ); |
| 0 | 660 assert(super == super2, |
| 661 "java_super computation depends on interface, array, other super"); | |
| 6983 | 662 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 663 return obj; |
| 664 JNI_END | |
| 665 | |
| 666 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 667 JNIWrapper("IsSubclassOf"); | |
| 4006 | 668 #ifndef USDT2 |
| 0 | 669 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 670 #else /* USDT2 */ |
| 671 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 672 env, sub, super); | |
| 673 #endif /* USDT2 */ | |
| 0 | 674 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 675 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 676 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 677 java_lang_Class::is_primitive(super_mirror)) { | |
| 678 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 679 #ifndef USDT2 |
| 0 | 680 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 681 #else /* USDT2 */ |
| 682 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 683 ret); | |
| 684 #endif /* USDT2 */ | |
| 0 | 685 return ret; |
| 686 } | |
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687 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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688 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 689 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 690 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 691 JNI_TRUE : JNI_FALSE; |
| 4006 | 692 #ifndef USDT2 |
| 0 | 693 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 694 #else /* USDT2 */ |
| 695 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 696 ret); | |
| 697 #endif /* USDT2 */ | |
| 0 | 698 return ret; |
| 699 JNI_END | |
| 700 | |
| 4006 | 701 #ifndef USDT2 |
| 0 | 702 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 703 #else /* USDT2 */ |
| 704 DT_RETURN_MARK_DECL(Throw, jint | |
| 705 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 706 #endif /* USDT2 */ | |
| 0 | 707 |
| 708 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 709 JNIWrapper("Throw"); | |
| 4006 | 710 #ifndef USDT2 |
| 0 | 711 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 712 #else /* USDT2 */ |
| 713 HOTSPOT_JNI_THROW_ENTRY( | |
| 714 env, obj); | |
| 715 #endif /* USDT2 */ | |
| 0 | 716 jint ret = JNI_OK; |
| 717 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 718 | |
| 719 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 720 ShouldNotReachHere(); | |
| 721 JNI_END | |
| 722 | |
| 4006 | 723 #ifndef USDT2 |
| 0 | 724 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 725 #else /* USDT2 */ |
| 726 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 727 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 728 #endif /* USDT2 */ | |
| 0 | 729 |
| 730 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 731 JNIWrapper("ThrowNew"); | |
| 4006 | 732 #ifndef USDT2 |
| 0 | 733 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 734 #else /* USDT2 */ |
| 735 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 736 env, clazz, (char *) message); | |
| 737 #endif /* USDT2 */ | |
| 0 | 738 jint ret = JNI_OK; |
| 739 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 740 | |
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741 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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742 Symbol* name = k->name(); |
| 0 | 743 Handle class_loader (THREAD, k->class_loader()); |
| 744 Handle protection_domain (THREAD, k->protection_domain()); | |
| 745 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 746 ShouldNotReachHere(); | |
| 747 JNI_END | |
| 748 | |
| 749 | |
| 750 // JNI functions only transform a pending async exception to a synchronous | |
| 751 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 752 // delivering an async exception in other places won't change the native | |
| 753 // code's control flow and would be harmful when native code further calls | |
| 754 // JNI functions with a pending exception. Async exception is also checked | |
| 755 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 756 // false but deliver the async exception at the very end during | |
| 757 // state transition. | |
| 758 | |
| 759 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 760 assert(thread == Thread::current(), "must be itself"); | |
| 761 thread->check_and_handle_async_exceptions(); | |
| 762 } | |
| 763 | |
| 764 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 765 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 766 #ifndef USDT2 |
| 0 | 767 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 768 #else /* USDT2 */ |
| 769 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 770 env); | |
| 771 #endif /* USDT2 */ | |
| 0 | 772 jni_check_async_exceptions(thread); |
| 773 oop exception = thread->pending_exception(); | |
| 774 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 775 #ifndef USDT2 |
| 0 | 776 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 777 #else /* USDT2 */ |
| 778 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 779 ret); | |
| 780 #endif /* USDT2 */ | |
| 0 | 781 return ret; |
| 782 JNI_END | |
| 783 | |
| 784 | |
| 785 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 786 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 787 #ifndef USDT2 |
| 0 | 788 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 789 #else /* USDT2 */ |
| 790 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 791 env); | |
| 792 #endif /* USDT2 */ | |
| 0 | 793 if (thread->has_pending_exception()) { |
| 794 Handle ex(thread, thread->pending_exception()); | |
| 795 thread->clear_pending_exception(); | |
| 1142 | 796 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 797 // Don't print anything if we are being killed. |
| 798 } else { | |
| 799 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 800 if (thread != NULL && thread->threadObj() != NULL) { | |
| 801 ResourceMark rm(THREAD); | |
| 802 jio_fprintf(defaultStream::error_stream(), | |
| 803 "in thread \"%s\" ", thread->get_thread_name()); | |
| 804 } | |
| 1142 | 805 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 806 JavaValue result(T_VOID); |
| 807 JavaCalls::call_virtual(&result, | |
| 808 ex, | |
| 809 KlassHandle(THREAD, | |
| 1142 | 810 SystemDictionary::Throwable_klass()), |
|
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811 vmSymbols::printStackTrace_name(), |
|
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812 vmSymbols::void_method_signature(), |
| 0 | 813 THREAD); |
| 814 // If an exception is thrown in the call it gets thrown away. Not much | |
| 815 // we can do with it. The native code that calls this, does not check | |
| 816 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 817 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 818 // is expected. | |
| 819 CLEAR_PENDING_EXCEPTION; | |
| 820 } else { | |
| 821 ResourceMark rm(THREAD); | |
| 822 jio_fprintf(defaultStream::error_stream(), | |
| 823 ". Uncaught exception of type %s.", | |
| 6983 | 824 ex->klass()->external_name()); |
| 0 | 825 } |
| 826 } | |
| 827 } | |
| 4006 | 828 #ifndef USDT2 |
| 0 | 829 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 830 #else /* USDT2 */ |
| 831 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 832 ); | |
| 833 #endif /* USDT2 */ | |
| 0 | 834 JNI_END |
| 835 | |
| 836 | |
| 837 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 838 JNIWrapper("ExceptionClear"); | |
| 4006 | 839 #ifndef USDT2 |
| 0 | 840 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 841 #else /* USDT2 */ |
| 842 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 843 env); | |
| 844 #endif /* USDT2 */ | |
| 0 | 845 |
| 846 // The jni code might be using this API to clear java thrown exception. | |
| 847 // So just mark jvmti thread exception state as exception caught. | |
| 848 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 849 if (state != NULL && state->is_exception_detected()) { | |
| 850 state->set_exception_caught(); | |
| 851 } | |
| 852 thread->clear_pending_exception(); | |
| 4006 | 853 #ifndef USDT2 |
| 0 | 854 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 855 #else /* USDT2 */ |
| 856 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 857 ); | |
| 858 #endif /* USDT2 */ | |
| 0 | 859 JNI_END |
| 860 | |
| 861 | |
| 862 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 863 JNIWrapper("FatalError"); | |
| 4006 | 864 #ifndef USDT2 |
| 0 | 865 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 866 #else /* USDT2 */ |
| 867 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 868 env, (char *) msg); | |
| 869 #endif /* USDT2 */ | |
| 0 | 870 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 871 thread->print_stack(); | |
|
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872 os::abort(); // Dump core and abort |
| 0 | 873 JNI_END |
| 874 | |
| 875 | |
| 876 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 877 JNIWrapper("PushLocalFrame"); | |
| 4006 | 878 #ifndef USDT2 |
| 0 | 879 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 880 #else /* USDT2 */ |
| 881 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 882 env, capacity); | |
| 883 #endif /* USDT2 */ | |
| 0 | 884 //%note jni_11 |
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885 if (capacity < 0 || capacity > MAX_REASONABLE_LOCAL_CAPACITY) { |
| 4006 | 886 #ifndef USDT2 |
| 0 | 887 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 888 #else /* USDT2 */ |
| 889 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 890 (uint32_t)JNI_ERR); | |
| 891 #endif /* USDT2 */ | |
| 0 | 892 return JNI_ERR; |
| 893 } | |
| 894 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 895 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 896 assert(new_handles != NULL, "should not be NULL"); | |
| 897 new_handles->set_pop_frame_link(old_handles); | |
| 898 thread->set_active_handles(new_handles); | |
| 899 jint ret = JNI_OK; | |
| 4006 | 900 #ifndef USDT2 |
| 0 | 901 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 902 #else /* USDT2 */ |
| 903 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 904 ret); | |
| 905 #endif /* USDT2 */ | |
| 0 | 906 return ret; |
| 907 JNI_END | |
| 908 | |
| 909 | |
| 910 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 911 JNIWrapper("PopLocalFrame"); | |
| 4006 | 912 #ifndef USDT2 |
| 0 | 913 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 914 #else /* USDT2 */ |
| 915 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 916 env, result); | |
| 917 #endif /* USDT2 */ | |
| 0 | 918 //%note jni_11 |
| 919 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 920 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 921 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 922 if (new_handles != NULL) { | |
| 923 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 924 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 925 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 926 // the release_block call will release the blocks. | |
| 927 thread->set_active_handles(new_handles); | |
| 928 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 929 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 930 result = JNIHandles::make_local(thread, result_handle()); | |
| 931 } | |
| 4006 | 932 #ifndef USDT2 |
| 0 | 933 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 934 #else /* USDT2 */ |
| 935 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 936 result); | |
| 937 #endif /* USDT2 */ | |
| 0 | 938 return result; |
| 939 JNI_END | |
| 940 | |
| 941 | |
| 942 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 943 JNIWrapper("NewGlobalRef"); | |
| 4006 | 944 #ifndef USDT2 |
| 0 | 945 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 946 #else /* USDT2 */ |
| 947 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 948 env, ref); | |
| 949 #endif /* USDT2 */ | |
| 0 | 950 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 951 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 952 #ifndef USDT2 |
| 0 | 953 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 954 #else /* USDT2 */ |
| 955 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 956 ret); | |
| 957 #endif /* USDT2 */ | |
| 0 | 958 return ret; |
| 959 JNI_END | |
| 960 | |
| 961 // Must be JNI_ENTRY (with HandleMark) | |
| 962 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 963 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 964 #ifndef USDT2 |
| 0 | 965 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 966 #else /* USDT2 */ |
| 967 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 968 env, ref); | |
| 969 #endif /* USDT2 */ | |
| 0 | 970 JNIHandles::destroy_global(ref); |
| 4006 | 971 #ifndef USDT2 |
| 0 | 972 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 973 #else /* USDT2 */ |
| 974 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 975 ); | |
| 976 #endif /* USDT2 */ | |
| 0 | 977 JNI_END |
| 978 | |
| 979 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 980 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 981 #ifndef USDT2 |
| 0 | 982 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 983 #else /* USDT2 */ |
| 984 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 985 env, obj); | |
| 986 #endif /* USDT2 */ | |
| 0 | 987 JNIHandles::destroy_local(obj); |
| 4006 | 988 #ifndef USDT2 |
| 0 | 989 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 990 #else /* USDT2 */ |
| 991 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 992 ); | |
| 993 #endif /* USDT2 */ | |
| 0 | 994 JNI_END |
| 995 | |
| 996 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 997 JNIWrapper("IsSameObject"); | |
| 4006 | 998 #ifndef USDT2 |
| 0 | 999 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 1000 #else /* USDT2 */ |
| 1001 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 1002 env, r1, r2); | |
| 1003 #endif /* USDT2 */ | |
| 0 | 1004 oop a = JNIHandles::resolve(r1); |
| 1005 oop b = JNIHandles::resolve(r2); | |
| 1006 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1007 #ifndef USDT2 |
| 0 | 1008 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1009 #else /* USDT2 */ |
| 1010 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1011 ret); | |
| 1012 #endif /* USDT2 */ | |
| 0 | 1013 return ret; |
| 1014 JNI_END | |
| 1015 | |
| 1016 | |
| 1017 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1018 JNIWrapper("NewLocalRef"); | |
| 4006 | 1019 #ifndef USDT2 |
| 0 | 1020 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1021 #else /* USDT2 */ |
| 1022 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1023 env, ref); | |
| 1024 #endif /* USDT2 */ | |
| 0 | 1025 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1026 #ifndef USDT2 |
| 0 | 1027 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1028 #else /* USDT2 */ |
| 1029 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1030 ret); | |
| 1031 #endif /* USDT2 */ | |
| 0 | 1032 return ret; |
| 1033 JNI_END | |
| 1034 | |
| 1035 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1036 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1037 #ifndef USDT2 |
| 0 | 1038 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1039 #else /* USDT2 */ |
| 1040 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1041 env, capacity); | |
| 1042 #endif /* USDT2 */ | |
| 0 | 1043 jint ret; |
| 1044 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1045 ret = JNI_OK; | |
| 1046 } else { | |
| 1047 ret = JNI_ERR; | |
| 1048 } | |
| 4006 | 1049 #ifndef USDT2 |
| 0 | 1050 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1051 #else /* USDT2 */ |
| 1052 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1053 ret); | |
| 1054 #endif /* USDT2 */ | |
| 0 | 1055 return ret; |
| 1056 JNI_END | |
| 1057 | |
| 1058 // Return the Handle Type | |
| 1059 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1060 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1061 #ifndef USDT2 |
| 0 | 1062 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1063 #else /* USDT2 */ |
| 1064 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1065 env, obj); | |
| 1066 #endif /* USDT2 */ | |
| 0 | 1067 jobjectRefType ret; |
| 1068 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1069 JNIHandles::is_frame_handle(thread, obj)) | |
| 1070 ret = JNILocalRefType; | |
| 1071 else if (JNIHandles::is_global_handle(obj)) | |
| 1072 ret = JNIGlobalRefType; | |
| 1073 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1074 ret = JNIWeakGlobalRefType; | |
| 1075 else | |
| 1076 ret = JNIInvalidRefType; | |
| 4006 | 1077 #ifndef USDT2 |
| 0 | 1078 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1079 #else /* USDT2 */ |
| 1080 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1081 (void *) ret); | |
| 1082 #endif /* USDT2 */ | |
| 0 | 1083 return ret; |
| 1084 JNI_END | |
| 1085 | |
| 1086 | |
| 1087 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1088 protected: | |
| 1089 JavaCallArguments* _arguments; | |
| 1090 | |
| 1091 virtual void get_bool () = 0; | |
| 1092 virtual void get_char () = 0; | |
| 1093 virtual void get_short () = 0; | |
| 1094 virtual void get_byte () = 0; | |
| 1095 virtual void get_int () = 0; | |
| 1096 virtual void get_long () = 0; | |
| 1097 virtual void get_float () = 0; | |
| 1098 virtual void get_double () = 0; | |
| 1099 virtual void get_object () = 0; | |
| 1100 | |
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1101 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1102 this->_return_type = T_ILLEGAL; |
| 1103 _arguments = NULL; | |
| 1104 } | |
| 1105 | |
| 1106 public: | |
| 1107 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1108 | |
| 1109 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1110 | |
| 1111 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1112 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1113 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1114 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1115 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1116 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1117 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1118 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1119 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1120 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1121 inline void do_void() { } | |
| 1122 | |
| 1123 JavaCallArguments* arguments() { return _arguments; } | |
| 1124 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1125 }; | |
| 1126 | |
| 1127 | |
| 1128 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1129 protected: | |
| 1130 va_list _ap; | |
| 1131 | |
| 1132 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1133 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1134 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1135 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1136 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1137 | |
| 1138 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1139 | |
| 1140 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1141 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1142 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1143 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1144 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1145 | |
| 1146 inline void set_ap(va_list rap) { | |
| 1147 #ifdef va_copy | |
| 1148 va_copy(_ap, rap); | |
| 1149 #elif defined (__va_copy) | |
| 1150 __va_copy(_ap, rap); | |
| 1151 #else | |
| 1152 _ap = rap; | |
| 1153 #endif | |
| 1154 } | |
| 1155 | |
| 1156 public: | |
|
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1157 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1158 : JNI_ArgumentPusher(signature) { |
| 0 | 1159 set_ap(rap); |
| 1160 } | |
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1161 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1162 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1163 set_ap(rap); |
| 1164 } | |
| 1165 | |
| 1166 // Optimized path if we have the bitvector form of signature | |
| 1167 void iterate( uint64_t fingerprint ) { | |
| 1168 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1169 else { | |
| 1170 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1171 result_feature_mask); | |
| 1172 | |
| 1173 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1174 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1175 while ( 1 ) { | |
| 1176 switch ( fingerprint & parameter_feature_mask ) { | |
| 1177 case bool_parm: | |
| 1178 case char_parm: | |
| 1179 case short_parm: | |
| 1180 case byte_parm: | |
| 1181 case int_parm: | |
| 1182 get_int(); | |
| 1183 break; | |
| 1184 case obj_parm: | |
| 1185 get_object(); | |
| 1186 break; | |
| 1187 case long_parm: | |
| 1188 get_long(); | |
| 1189 break; | |
| 1190 case float_parm: | |
| 1191 get_float(); | |
| 1192 break; | |
| 1193 case double_parm: | |
| 1194 get_double(); | |
| 1195 break; | |
| 1196 case done_parm: | |
| 1197 return; | |
| 1198 break; | |
| 1199 default: | |
| 1200 ShouldNotReachHere(); | |
| 1201 break; | |
| 1202 } | |
| 1203 fingerprint >>= parameter_feature_size; | |
| 1204 } | |
| 1205 } | |
| 1206 } | |
| 1207 }; | |
| 1208 | |
| 1209 | |
| 1210 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1211 protected: | |
| 1212 const jvalue *_ap; | |
| 1213 | |
| 1214 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1215 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1216 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1217 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1218 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1219 | |
| 1220 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1221 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1222 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1223 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1224 | |
| 1225 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1226 | |
| 1227 public: | |
|
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1228 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1229 : JNI_ArgumentPusher(signature) { |
| 0 | 1230 set_ap(rap); |
| 1231 } | |
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1232 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1233 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1234 set_ap(rap); |
| 1235 } | |
| 1236 | |
| 1237 // Optimized path if we have the bitvector form of signature | |
| 1238 void iterate( uint64_t fingerprint ) { | |
| 1239 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1240 else { | |
| 1241 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1242 result_feature_mask); | |
| 1243 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1244 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1245 while ( 1 ) { | |
| 1246 switch ( fingerprint & parameter_feature_mask ) { | |
| 1247 case bool_parm: | |
| 1248 get_bool(); | |
| 1249 break; | |
| 1250 case char_parm: | |
| 1251 get_char(); | |
| 1252 break; | |
| 1253 case short_parm: | |
| 1254 get_short(); | |
| 1255 break; | |
| 1256 case byte_parm: | |
| 1257 get_byte(); | |
| 1258 break; | |
| 1259 case int_parm: | |
| 1260 get_int(); | |
| 1261 break; | |
| 1262 case obj_parm: | |
| 1263 get_object(); | |
| 1264 break; | |
| 1265 case long_parm: | |
| 1266 get_long(); | |
| 1267 break; | |
| 1268 case float_parm: | |
| 1269 get_float(); | |
| 1270 break; | |
| 1271 case double_parm: | |
| 1272 get_double(); | |
| 1273 break; | |
| 1274 case done_parm: | |
| 1275 return; | |
| 1276 break; | |
| 1277 default: | |
| 1278 ShouldNotReachHere(); | |
| 1279 break; | |
| 1280 } | |
| 1281 fingerprint >>= parameter_feature_size; | |
| 1282 } | |
| 1283 } | |
| 1284 } | |
| 1285 }; | |
| 1286 | |
| 1287 | |
| 1288 enum JNICallType { | |
| 1289 JNI_STATIC, | |
| 1290 JNI_VIRTUAL, | |
| 1291 JNI_NONVIRTUAL | |
| 1292 }; | |
| 1293 | |
| 1294 | |
| 1295 | |
| 1296 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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1297 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1298 |
| 1299 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1300 // the jni parser | |
| 1301 ResourceMark rm(THREAD); | |
| 1302 int number_of_parameters = method->size_of_parameters(); | |
| 1303 JavaCallArguments java_args(number_of_parameters); | |
| 1304 args->set_java_argument_object(&java_args); | |
| 1305 | |
| 1306 assert(method->is_static(), "method should be static"); | |
| 1307 | |
| 1308 // Fill out JavaCallArguments object | |
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1309 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1310 // Initialize result type |
| 1311 result->set_type(args->get_ret_type()); | |
| 1312 | |
| 1313 // Invoke the method. Result is returned as oop. | |
| 1314 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1315 | |
| 1316 // Convert result | |
| 1317 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1318 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1319 } | |
| 1320 } | |
| 1321 | |
| 1322 | |
| 1323 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1324 oop recv = JNIHandles::resolve(receiver); | |
| 1325 if (recv == NULL) { | |
| 1326 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1327 } | |
| 1328 Handle h_recv(THREAD, recv); | |
| 1329 | |
| 1330 int number_of_parameters; | |
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1331 Method* selected_method; |
| 0 | 1332 { |
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1333 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1334 number_of_parameters = m->size_of_parameters(); |
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1335 Klass* holder = m->method_holder(); |
| 6983 | 1336 if (!(holder)->is_interface()) { |
| 0 | 1337 // non-interface call -- for that little speed boost, don't handlize |
| 1338 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1339 if (call_type == JNI_VIRTUAL) { | |
| 1340 // jni_GetMethodID makes sure class is linked and initialized | |
| 1341 // so m should have a valid vtable index. | |
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1342 assert(!m->has_itable_index(), ""); |
| 0 | 1343 int vtbl_index = m->vtable_index(); |
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1344 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1345 Klass* k = h_recv->klass(); |
| 0 | 1346 // k might be an arrayKlassOop but all vtables start at |
| 1347 // the same place. The cast is to avoid virtual call and assertion. | |
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1348 InstanceKlass *ik = (InstanceKlass*)k; |
| 0 | 1349 selected_method = ik->method_at_vtable(vtbl_index); |
| 1350 } else { | |
| 1351 // final method | |
| 1352 selected_method = m; | |
| 1353 } | |
| 1354 } else { | |
| 1355 // JNI_NONVIRTUAL call | |
| 1356 selected_method = m; | |
| 1357 } | |
| 1358 } else { | |
| 1359 // interface call | |
| 1360 KlassHandle h_holder(THREAD, holder); | |
| 1361 | |
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1362 int itbl_index = m->itable_index(); |
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1363 Klass* k = h_recv->klass(); |
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1364 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1365 } |
| 1366 } | |
| 1367 | |
| 1368 methodHandle method(THREAD, selected_method); | |
| 1369 | |
| 1370 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1371 // the jni parser | |
| 1372 ResourceMark rm(THREAD); | |
| 1373 JavaCallArguments java_args(number_of_parameters); | |
| 1374 args->set_java_argument_object(&java_args); | |
| 1375 | |
| 1376 // handle arguments | |
| 1377 assert(!method->is_static(), "method should not be static"); | |
| 1378 args->push_receiver(h_recv); // Push jobject handle | |
| 1379 | |
| 1380 // Fill out JavaCallArguments object | |
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1381 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1382 // Initialize result type |
| 1383 result->set_type(args->get_ret_type()); | |
| 1384 | |
| 1385 // Invoke the method. Result is returned as oop. | |
| 1386 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1387 | |
| 1388 // Convert result | |
| 1389 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1390 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1391 } | |
| 1392 } | |
| 1393 | |
| 1394 | |
| 1395 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1396 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1397 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1398 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1399 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1400 return ih; |
| 1401 } | |
| 1402 | |
| 4006 | 1403 #ifndef USDT2 |
| 0 | 1404 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1405 #else /* USDT2 */ |
| 1406 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1407 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1408 #endif /* USDT2 */ | |
| 0 | 1409 |
| 1410 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1411 JNIWrapper("AllocObject"); | |
| 1412 | |
| 4006 | 1413 #ifndef USDT2 |
| 0 | 1414 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1415 #else /* USDT2 */ |
| 1416 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1417 env, clazz); | |
| 1418 #endif /* USDT2 */ | |
| 0 | 1419 jobject ret = NULL; |
| 1420 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1421 | |
| 1422 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1423 ret = JNIHandles::make_local(env, i); | |
| 1424 return ret; | |
| 1425 JNI_END | |
| 1426 | |
| 4006 | 1427 #ifndef USDT2 |
| 0 | 1428 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1429 #else /* USDT2 */ |
| 1430 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1431 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1432 #endif /* USDT2 */ | |
| 0 | 1433 |
| 1434 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1435 JNIWrapper("NewObjectA"); | |
| 4006 | 1436 #ifndef USDT2 |
| 0 | 1437 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1438 #else /* USDT2 */ |
| 1439 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1440 env, clazz, (uintptr_t) methodID); | |
| 1441 #endif /* USDT2 */ | |
| 0 | 1442 jobject obj = NULL; |
| 1443 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1444 | |
| 1445 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1446 obj = JNIHandles::make_local(env, i); | |
| 1447 JavaValue jvalue(T_VOID); | |
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1448 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1449 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1450 return obj; | |
| 1451 JNI_END | |
| 1452 | |
| 4006 | 1453 #ifndef USDT2 |
| 0 | 1454 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1455 #else /* USDT2 */ |
| 1456 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1457 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1458 #endif /* USDT2 */ | |
| 0 | 1459 |
| 1460 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1461 JNIWrapper("NewObjectV"); | |
| 4006 | 1462 #ifndef USDT2 |
| 0 | 1463 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1464 #else /* USDT2 */ |
| 1465 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1466 env, clazz, (uintptr_t) methodID); | |
| 1467 #endif /* USDT2 */ | |
| 0 | 1468 jobject obj = NULL; |
| 1469 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1470 | |
| 1471 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1472 obj = JNIHandles::make_local(env, i); | |
| 1473 JavaValue jvalue(T_VOID); | |
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1474 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1475 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1476 return obj; | |
| 1477 JNI_END | |
| 1478 | |
| 4006 | 1479 #ifndef USDT2 |
| 0 | 1480 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1481 #else /* USDT2 */ |
| 1482 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1483 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1484 #endif /* USDT2 */ | |
| 0 | 1485 |
| 1486 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1487 JNIWrapper("NewObject"); | |
| 4006 | 1488 #ifndef USDT2 |
| 0 | 1489 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1490 #else /* USDT2 */ |
| 1491 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1492 env, clazz, (uintptr_t) methodID); | |
| 1493 #endif /* USDT2 */ | |
| 0 | 1494 jobject obj = NULL; |
| 1495 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1496 | |
| 1497 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1498 obj = JNIHandles::make_local(env, i); | |
| 1499 va_list args; | |
| 1500 va_start(args, methodID); | |
| 1501 JavaValue jvalue(T_VOID); | |
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1502 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1503 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1504 va_end(args); | |
| 1505 return obj; | |
| 1506 JNI_END | |
| 1507 | |
| 1508 | |
| 1509 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1510 JNIWrapper("GetObjectClass"); | |
| 4006 | 1511 #ifndef USDT2 |
| 0 | 1512 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1513 #else /* USDT2 */ |
| 1514 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1515 env, obj); | |
| 1516 #endif /* USDT2 */ | |
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1517 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1518 jclass ret = |
| 6983 | 1519 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1520 #ifndef USDT2 |
| 0 | 1521 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1522 #else /* USDT2 */ |
| 1523 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1524 ret); | |
| 1525 #endif /* USDT2 */ | |
| 0 | 1526 return ret; |
| 1527 JNI_END | |
| 1528 | |
| 1529 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1530 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1531 #ifndef USDT2 |
| 0 | 1532 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1533 #else /* USDT2 */ |
| 1534 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1535 env, obj, clazz); | |
| 1536 #endif /* USDT2 */ | |
| 0 | 1537 jboolean ret = JNI_TRUE; |
| 1538 if (obj != NULL) { | |
| 1539 ret = JNI_FALSE; | |
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1540 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1541 JNIHandles::resolve_non_null(clazz)); |
| 1542 if (k != NULL) { | |
| 1543 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1544 } | |
| 1545 } | |
| 4006 | 1546 #ifndef USDT2 |
| 0 | 1547 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1548 #else /* USDT2 */ |
| 1549 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1550 ret); | |
| 1551 #endif /* USDT2 */ | |
| 0 | 1552 return ret; |
| 1553 JNI_END | |
| 1554 | |
| 1555 | |
| 1556 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1557 const char *sig, bool is_static, TRAPS) { | |
| 1558 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1559 // | |
| 1560 // The class should have been loaded (we have an instance of the class | |
| 1561 // passed in) so the method and signature should already be in the symbol | |
| 1562 // table. If they're not there, the method doesn't exist. | |
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1563 const char *name_to_probe = (name_str == NULL) |
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1564 ? vmSymbols::object_initializer_name()->as_C_string() |
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1565 : name_str; |
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1566 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1567 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1568 |
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1569 if (name == NULL || signature == NULL) { |
| 0 | 1570 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1571 } | |
| 1572 | |
| 1573 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1574 // primitive java.lang.Class | |
| 1575 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1576 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1577 } | |
| 1578 | |
| 1579 KlassHandle klass(THREAD, | |
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1580 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1581 |
| 1582 // Make sure class is linked and initialized before handing id's out to | |
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1583 // Method*s. |
| 6983 | 1584 klass()->initialize(CHECK_NULL); |
| 0 | 1585 |
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1586 Method* m; |
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1587 if (name == vmSymbols::object_initializer_name() || |
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1588 name == vmSymbols::class_initializer_name()) { |
| 0 | 1589 // Never search superclasses for constructors |
| 1590 if (klass->oop_is_instance()) { | |
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1591 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1592 } else { |
| 1593 m = NULL; | |
| 1594 } | |
| 1595 } else { | |
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1596 m = klass->lookup_method(name, signature); |
| 0 | 1597 // Look up interfaces |
| 1598 if (m == NULL && klass->oop_is_instance()) { | |
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1599 m = InstanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1600 signature); |
| 0 | 1601 } |
| 1602 } | |
| 1603 if (m == NULL || (m->is_static() != is_static)) { | |
| 1604 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1605 } | |
| 1606 return m->jmethod_id(); | |
| 1607 } | |
| 1608 | |
| 1609 | |
| 1610 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1611 const char *name, const char *sig)) | |
| 1612 JNIWrapper("GetMethodID"); | |
| 4006 | 1613 #ifndef USDT2 |
| 0 | 1614 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1615 #else /* USDT2 */ |
| 1616 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1617 env, clazz, (char *) name, (char *) sig); | |
| 1618 #endif /* USDT2 */ | |
| 0 | 1619 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1620 #ifndef USDT2 |
| 0 | 1621 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1622 #else /* USDT2 */ |
| 1623 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1624 (uintptr_t) ret); | |
| 1625 #endif /* USDT2 */ | |
| 0 | 1626 return ret; |
| 1627 JNI_END | |
| 1628 | |
| 1629 | |
| 1630 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1631 const char *name, const char *sig)) | |
| 1632 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1633 #ifndef USDT2 |
| 0 | 1634 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1635 #else /* USDT2 */ |
| 1636 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1637 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1638 #endif /* USDT2 */ | |
| 0 | 1639 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1640 #ifndef USDT2 |
| 0 | 1641 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1642 #else /* USDT2 */ |
| 1643 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1644 (uintptr_t) ret); | |
| 1645 #endif /* USDT2 */ | |
| 0 | 1646 return ret; |
| 1647 JNI_END | |
| 1648 | |
| 1649 | |
| 1650 | |
| 1651 // | |
| 1652 // Calling Methods | |
| 1653 // | |
| 1654 | |
| 4006 | 1655 #ifndef USDT2 |
| 0 | 1656 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1657 \ | |
| 1658 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1659 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1660 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1661 \ | |
| 1662 JNI_ENTRY(ResultType, \ | |
| 1663 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1664 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1665 \ | |
| 4006 | 1666 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1667 ResultType ret = 0;\ |
| 1668 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1669 (const ResultType&)ret);\ | |
| 1670 \ | |
| 1671 va_list args; \ | |
| 1672 va_start(args, methodID); \ | |
| 1673 JavaValue jvalue(Tag); \ | |
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1674 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1675 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1676 va_end(args); \ | |
| 1677 ret = jvalue.get_##ResultType(); \ | |
| 1678 return ret;\ | |
| 1679 JNI_END \ | |
| 1680 \ | |
| 1681 \ | |
| 1682 JNI_ENTRY(ResultType, \ | |
| 1683 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1684 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1685 \ | |
| 4006 | 1686 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1687 ResultType ret = 0;\ |
| 1688 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1689 (const ResultType&)ret);\ | |
| 1690 \ | |
| 1691 JavaValue jvalue(Tag); \ | |
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1692 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1693 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1694 ret = jvalue.get_##ResultType(); \ | |
| 1695 return ret;\ | |
| 1696 JNI_END \ | |
| 1697 \ | |
| 1698 \ | |
| 1699 JNI_ENTRY(ResultType, \ | |
| 1700 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1701 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1702 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1703 ResultType ret = 0;\ |
| 1704 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1705 (const ResultType&)ret);\ | |
| 1706 \ | |
| 1707 JavaValue jvalue(Tag); \ | |
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1708 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1709 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1710 ret = jvalue.get_##ResultType(); \ | |
| 1711 return ret;\ | |
| 1712 JNI_END | |
| 1713 | |
| 1714 // the runtime type of subword integral basic types is integer | |
| 1715 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1716 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1717 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1718 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1719 | |
| 1720 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1721 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1722 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1723 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1724 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1725 | |
| 1726 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1727 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1728 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1729 | |
| 4006 | 1730 #else /* USDT2 */ |
| 1731 | |
| 1732 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1733 , EntryProbe, ReturnProbe) \ | |
| 1734 \ | |
| 1735 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1736 , ReturnProbe); \ | |
| 1737 \ | |
| 1738 JNI_ENTRY(ResultType, \ | |
| 1739 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1740 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1741 \ | |
| 1742 EntryProbe; \ | |
| 1743 ResultType ret = 0;\ | |
| 1744 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1745 (const ResultType&)ret);\ | |
| 1746 \ | |
| 1747 va_list args; \ | |
| 1748 va_start(args, methodID); \ | |
| 1749 JavaValue jvalue(Tag); \ | |
| 1750 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1751 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1752 va_end(args); \ | |
| 1753 ret = jvalue.get_##ResultType(); \ | |
| 1754 return ret;\ | |
| 1755 JNI_END | |
| 1756 | |
| 1757 // the runtime type of subword integral basic types is integer | |
| 1758 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1759 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1760 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1761 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1762 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1763 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1764 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1765 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1766 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1767 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1768 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1769 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1770 | |
| 1771 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1772 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1773 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1774 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1775 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1776 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1777 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1778 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1779 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1780 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1781 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1782 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1783 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1784 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1785 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1786 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1787 | |
| 1788 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1789 , EntryProbe, ReturnProbe) \ | |
| 1790 \ | |
| 1791 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1792 , ReturnProbe); \ | |
| 1793 \ | |
| 1794 JNI_ENTRY(ResultType, \ | |
| 1795 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1796 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1797 \ | |
| 1798 EntryProbe;\ | |
| 1799 ResultType ret = 0;\ | |
| 1800 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1801 (const ResultType&)ret);\ | |
| 1802 \ | |
| 1803 JavaValue jvalue(Tag); \ | |
| 1804 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1805 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1806 ret = jvalue.get_##ResultType(); \ | |
| 1807 return ret;\ | |
| 1808 JNI_END | |
| 1809 | |
| 1810 // the runtime type of subword integral basic types is integer | |
| 1811 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1812 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1813 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1814 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1815 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1816 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1817 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1818 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1819 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1820 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1821 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1822 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1823 | |
| 1824 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1825 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1826 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1827 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1828 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1829 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1830 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1831 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1832 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1833 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1834 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1835 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1836 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1837 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1838 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1839 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1840 | |
| 1841 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1842 , EntryProbe, ReturnProbe) \ | |
| 1843 \ | |
| 1844 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1845 , ReturnProbe); \ | |
| 1846 \ | |
| 1847 JNI_ENTRY(ResultType, \ | |
| 1848 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1849 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1850 EntryProbe; \ | |
| 1851 ResultType ret = 0;\ | |
| 1852 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1853 (const ResultType&)ret);\ | |
| 1854 \ | |
| 1855 JavaValue jvalue(Tag); \ | |
| 1856 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1857 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1858 ret = jvalue.get_##ResultType(); \ | |
| 1859 return ret;\ | |
| 1860 JNI_END | |
| 1861 | |
| 1862 // the runtime type of subword integral basic types is integer | |
| 1863 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1864 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1865 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1866 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1867 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1868 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1869 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1870 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1871 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1872 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1873 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1874 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1875 | |
| 1876 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1877 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1878 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1879 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1880 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1881 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1882 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1883 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1884 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1885 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1886 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1887 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1888 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1889 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1890 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1891 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1892 | |
| 1893 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1894 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1895 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1896 | |
| 1897 #endif /* USDT2 */ | |
| 1898 | |
| 0 | 1899 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1900 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1901 #ifndef USDT2 |
| 0 | 1902 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1903 #else /* USDT2 */ |
| 1904 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1905 env, obj, (uintptr_t) methodID); | |
| 1906 #endif /* USDT2 */ | |
| 0 | 1907 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1908 | |
| 1909 va_list args; | |
| 1910 va_start(args, methodID); | |
| 1911 JavaValue jvalue(T_VOID); | |
|
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1912 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1913 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1914 va_end(args); | |
| 1915 JNI_END | |
| 1916 | |
| 1917 | |
| 1918 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1919 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1920 #ifndef USDT2 |
| 0 | 1921 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1922 #else /* USDT2 */ |
| 1923 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1924 env, obj, (uintptr_t) methodID); | |
| 1925 #endif /* USDT2 */ | |
| 0 | 1926 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1927 | |
| 1928 JavaValue jvalue(T_VOID); | |
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1929 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1930 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1931 JNI_END | |
| 1932 | |
| 1933 | |
| 1934 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1935 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1936 #ifndef USDT2 |
| 0 | 1937 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1938 #else /* USDT2 */ |
| 1939 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1940 env, obj, (uintptr_t) methodID); | |
| 1941 #endif /* USDT2 */ | |
| 0 | 1942 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1943 | |
| 1944 JavaValue jvalue(T_VOID); | |
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1945 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1946 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1947 JNI_END | |
| 1948 | |
| 1949 | |
| 4006 | 1950 #ifndef USDT2 |
| 0 | 1951 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1952 \ | |
| 1953 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1954 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1955 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1956 \ | |
| 1957 JNI_ENTRY(ResultType, \ | |
| 1958 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1959 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1960 \ | |
| 1961 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1962 ResultType ret;\ | |
| 1963 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1964 (const ResultType&)ret);\ | |
| 1965 \ | |
| 1966 va_list args; \ | |
| 1967 va_start(args, methodID); \ | |
| 1968 JavaValue jvalue(Tag); \ | |
|
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1969 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1970 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1971 va_end(args); \ | |
| 1972 ret = jvalue.get_##ResultType(); \ | |
| 1973 return ret;\ | |
| 1974 JNI_END \ | |
| 1975 \ | |
| 1976 JNI_ENTRY(ResultType, \ | |
| 1977 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1978 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 1979 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 1980 ResultType ret;\ | |
| 1981 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1982 (const ResultType&)ret);\ | |
| 1983 \ | |
| 1984 JavaValue jvalue(Tag); \ | |
|
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1985 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1986 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1987 ret = jvalue.get_##ResultType(); \ | |
| 1988 return ret;\ | |
| 1989 JNI_END \ | |
| 1990 \ | |
| 1991 JNI_ENTRY(ResultType, \ | |
| 1992 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 1993 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 1994 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 1995 ResultType ret;\ | |
| 1996 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 1997 (const ResultType&)ret);\ | |
| 1998 \ | |
| 1999 JavaValue jvalue(Tag); \ | |
|
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2000 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2001 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2002 ret = jvalue.get_##ResultType(); \ | |
| 2003 return ret;\ | |
| 2004 JNI_END | |
| 2005 | |
| 2006 // the runtime type of subword integral basic types is integer | |
| 2007 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2008 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2009 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2010 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2011 | |
| 2012 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2013 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2014 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2015 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2016 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2017 | |
| 2018 | |
| 2019 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2020 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2021 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2022 | |
| 4006 | 2023 #else /* USDT2 */ |
| 2024 | |
| 2025 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2026 , EntryProbe, ReturnProbe) \ | |
| 2027 \ | |
| 2028 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2029 , ReturnProbe);\ | |
| 2030 \ | |
| 2031 JNI_ENTRY(ResultType, \ | |
| 2032 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2033 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2034 \ | |
| 2035 EntryProbe;\ | |
| 2036 ResultType ret;\ | |
| 2037 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2038 (const ResultType&)ret);\ | |
| 2039 \ | |
| 2040 va_list args; \ | |
| 2041 va_start(args, methodID); \ | |
| 2042 JavaValue jvalue(Tag); \ | |
| 2043 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2044 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2045 va_end(args); \ | |
| 2046 ret = jvalue.get_##ResultType(); \ | |
| 2047 return ret;\ | |
| 2048 JNI_END | |
| 2049 | |
| 2050 // the runtime type of subword integral basic types is integer | |
| 2051 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2052 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2053 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2054 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2055 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2056 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2057 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2058 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2059 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2060 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2061 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2062 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2063 | |
| 2064 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2065 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2066 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2067 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2068 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2069 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2070 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2071 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2072 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2073 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2074 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2075 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2076 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2077 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2078 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2079 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2080 | |
| 2081 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2082 , EntryProbe, ReturnProbe) \ | |
| 2083 \ | |
| 2084 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2085 , ReturnProbe);\ | |
| 2086 \ | |
| 2087 JNI_ENTRY(ResultType, \ | |
| 2088 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2089 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2090 \ | |
| 2091 EntryProbe;\ | |
| 2092 ResultType ret;\ | |
| 2093 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2094 (const ResultType&)ret);\ | |
| 2095 \ | |
| 2096 JavaValue jvalue(Tag); \ | |
| 2097 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2098 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2099 ret = jvalue.get_##ResultType(); \ | |
| 2100 return ret;\ | |
| 2101 JNI_END | |
| 2102 | |
| 2103 // the runtime type of subword integral basic types is integer | |
| 2104 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2105 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2106 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2107 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2108 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2109 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2110 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2111 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2112 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2113 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2114 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2115 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2116 | |
| 2117 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2118 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2119 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2120 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2121 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2122 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2123 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2124 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2125 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2126 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2127 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2128 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2129 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2130 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2131 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2132 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2133 | |
| 2134 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2135 , EntryProbe, ReturnProbe) \ | |
| 2136 \ | |
| 2137 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2138 , ReturnProbe);\ | |
| 2139 \ | |
| 2140 JNI_ENTRY(ResultType, \ | |
| 2141 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2142 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2143 \ | |
| 2144 EntryProbe;\ | |
| 2145 ResultType ret;\ | |
| 2146 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2147 (const ResultType&)ret);\ | |
| 2148 \ | |
| 2149 JavaValue jvalue(Tag); \ | |
| 2150 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2151 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2152 ret = jvalue.get_##ResultType(); \ | |
| 2153 return ret;\ | |
| 2154 JNI_END | |
| 2155 | |
| 2156 // the runtime type of subword integral basic types is integer | |
| 2157 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2158 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2159 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2160 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2161 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2162 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2163 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2164 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2165 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2166 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2167 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2168 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2169 | |
| 2170 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2171 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2172 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2173 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2174 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2175 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2176 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2177 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2178 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2179 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2180 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2181 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2182 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2183 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2184 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2185 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2186 | |
| 2187 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2188 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2189 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2190 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2191 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2192 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2193 #endif /* USDT2 */ | |
| 2194 | |
| 0 | 2195 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2196 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2197 | |
| 4006 | 2198 #ifndef USDT2 |
| 0 | 2199 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2200 env, obj, cls, methodID); | |
| 4006 | 2201 #else /* USDT2 */ |
| 2202 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2203 env, obj, cls, (uintptr_t) methodID); | |
| 2204 #endif /* USDT2 */ | |
| 0 | 2205 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2206 | |
| 2207 va_list args; | |
| 2208 va_start(args, methodID); | |
| 2209 JavaValue jvalue(T_VOID); | |
|
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2210 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2211 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2212 va_end(args); | |
| 2213 JNI_END | |
| 2214 | |
| 2215 | |
| 2216 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2217 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2218 | |
| 4006 | 2219 #ifndef USDT2 |
| 0 | 2220 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2221 env, obj, cls, methodID); | |
| 4006 | 2222 #else /* USDT2 */ |
| 2223 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2224 env, obj, cls, (uintptr_t) methodID); | |
| 2225 #endif /* USDT2 */ | |
| 0 | 2226 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2227 | |
| 2228 JavaValue jvalue(T_VOID); | |
|
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2229 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2230 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2231 JNI_END | |
| 2232 | |
| 2233 | |
| 2234 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2235 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2236 #ifndef USDT2 |
| 0 | 2237 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2238 env, obj, cls, methodID); | |
| 4006 | 2239 #else /* USDT2 */ |
| 2240 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2241 env, obj, cls, (uintptr_t) methodID); | |
| 2242 #endif /* USDT2 */ | |
| 0 | 2243 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2244 JavaValue jvalue(T_VOID); | |
|
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2245 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2246 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2247 JNI_END | |
| 2248 | |
| 2249 | |
| 4006 | 2250 #ifndef USDT2 |
| 0 | 2251 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2252 \ | |
| 2253 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2254 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2255 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2256 \ | |
| 2257 JNI_ENTRY(ResultType, \ | |
| 2258 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2259 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2260 \ | |
| 2261 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2262 ResultType ret = 0;\ | |
| 2263 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2264 (const ResultType&)ret);\ | |
| 2265 \ | |
| 2266 va_list args; \ | |
| 2267 va_start(args, methodID); \ | |
| 2268 JavaValue jvalue(Tag); \ | |
|
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2269 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2270 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2271 va_end(args); \ | |
| 2272 ret = jvalue.get_##ResultType(); \ | |
| 2273 return ret;\ | |
| 2274 JNI_END \ | |
| 2275 \ | |
| 2276 JNI_ENTRY(ResultType, \ | |
| 2277 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2278 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2279 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2280 ResultType ret = 0;\ | |
| 2281 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2282 (const ResultType&)ret);\ | |
| 2283 \ | |
| 2284 JavaValue jvalue(Tag); \ | |
|
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2285 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2286 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2287 ret = jvalue.get_##ResultType(); \ | |
| 2288 return ret;\ | |
| 2289 JNI_END \ | |
| 2290 \ | |
| 2291 JNI_ENTRY(ResultType, \ | |
| 2292 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2293 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2294 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2295 ResultType ret = 0;\ | |
| 2296 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2297 (const ResultType&)ret);\ | |
| 2298 \ | |
| 2299 JavaValue jvalue(Tag); \ | |
|
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|
2300 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2301 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2302 ret = jvalue.get_##ResultType(); \ | |
| 2303 return ret;\ | |
| 2304 JNI_END | |
| 2305 | |
| 2306 // the runtime type of subword integral basic types is integer | |
| 2307 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2308 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2309 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2310 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2311 | |
| 2312 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2313 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2314 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2315 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2316 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2317 | |
| 2318 | |
| 2319 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2320 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2321 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2322 | |
| 4006 | 2323 #else /* USDT2 */ |
| 2324 | |
| 2325 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2326 , EntryProbe, ResultProbe) \ | |
| 2327 \ | |
| 2328 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2329 , ResultProbe); \ | |
| 2330 \ | |
| 2331 JNI_ENTRY(ResultType, \ | |
| 2332 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2333 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2334 \ | |
| 2335 EntryProbe; \ | |
| 2336 ResultType ret = 0;\ | |
| 2337 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2338 (const ResultType&)ret);\ | |
| 2339 \ | |
| 2340 va_list args; \ | |
| 2341 va_start(args, methodID); \ | |
| 2342 JavaValue jvalue(Tag); \ | |
| 2343 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2344 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2345 va_end(args); \ | |
| 2346 ret = jvalue.get_##ResultType(); \ | |
| 2347 return ret;\ | |
| 2348 JNI_END | |
| 2349 | |
| 2350 // the runtime type of subword integral basic types is integer | |
| 2351 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2352 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2353 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2354 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2355 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2356 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2357 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2358 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2359 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2360 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2361 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2362 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2363 | |
| 2364 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2365 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2366 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2367 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2368 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2369 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2370 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2371 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2372 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2373 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2374 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2375 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2376 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2377 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2378 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2379 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2380 | |
| 2381 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2382 , EntryProbe, ResultProbe) \ | |
| 2383 \ | |
| 2384 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2385 , ResultProbe); \ | |
| 2386 \ | |
| 2387 JNI_ENTRY(ResultType, \ | |
| 2388 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2389 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2390 \ | |
| 2391 EntryProbe; \ | |
| 2392 ResultType ret = 0;\ | |
| 2393 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2394 (const ResultType&)ret);\ | |
| 2395 \ | |
| 2396 JavaValue jvalue(Tag); \ | |
| 2397 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2398 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
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2399 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2400 k()->initialize(CHECK_0); \ |
| 4006 | 2401 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2402 va_end(args); \ | |
| 2403 ret = jvalue.get_##ResultType(); \ | |
| 2404 return ret;\ | |
| 2405 JNI_END | |
| 2406 | |
| 2407 // the runtime type of subword integral basic types is integer | |
| 2408 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2409 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2410 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2411 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2412 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2413 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2414 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2415 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2416 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2417 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2418 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2419 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2420 | |
| 2421 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2422 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2423 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2424 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2425 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2426 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2427 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2428 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2429 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2430 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2431 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2432 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2433 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2434 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2435 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2436 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2437 | |
| 2438 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2439 , EntryProbe, ResultProbe) \ | |
| 2440 \ | |
| 2441 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2442 , ResultProbe); \ | |
| 2443 \ | |
| 2444 JNI_ENTRY(ResultType, \ | |
| 2445 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2446 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2447 \ | |
| 2448 EntryProbe; \ | |
| 2449 ResultType ret = 0;\ | |
| 2450 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2451 (const ResultType&)ret);\ | |
| 2452 \ | |
| 2453 JavaValue jvalue(Tag); \ | |
| 2454 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2455 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2456 ret = jvalue.get_##ResultType(); \ | |
| 2457 return ret;\ | |
| 2458 JNI_END | |
| 2459 | |
| 2460 // the runtime type of subword integral basic types is integer | |
| 2461 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2462 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2463 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2464 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2465 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2466 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2467 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2468 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2469 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2470 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2471 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2472 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2473 | |
| 2474 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2475 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2476 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2477 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2478 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2479 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2480 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2481 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2482 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2483 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2484 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2485 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2486 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2487 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2488 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2489 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2490 | |
| 2491 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2492 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2493 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2494 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2495 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2496 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2497 #endif /* USDT2 */ | |
| 2498 | |
| 0 | 2499 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2500 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2501 #ifndef USDT2 |
| 0 | 2502 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2503 #else /* USDT2 */ |
| 2504 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2505 env, cls, (uintptr_t) methodID); | |
| 2506 #endif /* USDT2 */ | |
| 0 | 2507 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2508 | |
| 2509 va_list args; | |
| 2510 va_start(args, methodID); | |
| 2511 JavaValue jvalue(T_VOID); | |
|
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2512 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2513 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2514 va_end(args); | |
| 2515 JNI_END | |
| 2516 | |
| 2517 | |
| 2518 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2519 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2520 #ifndef USDT2 |
| 0 | 2521 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2522 #else /* USDT2 */ |
| 2523 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2524 env, cls, (uintptr_t) methodID); | |
| 2525 #endif /* USDT2 */ | |
| 0 | 2526 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2527 | |
| 2528 JavaValue jvalue(T_VOID); | |
|
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2529 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2530 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2531 JNI_END | |
| 2532 | |
| 2533 | |
| 2534 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2535 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2536 #ifndef USDT2 |
| 0 | 2537 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2538 #else /* USDT2 */ |
| 2539 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2540 env, cls, (uintptr_t) methodID); | |
| 2541 #endif /* USDT2 */ | |
| 0 | 2542 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2543 | |
| 2544 JavaValue jvalue(T_VOID); | |
|
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2545 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2546 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2547 JNI_END | |
| 2548 | |
| 2549 | |
| 2550 // | |
| 2551 // Accessing Fields | |
| 2552 // | |
| 2553 | |
| 2554 | |
| 4006 | 2555 #ifndef USDT2 |
| 0 | 2556 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2557 #else /* USDT2 */ |
| 2558 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2559 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2560 #endif /* USDT2 */ | |
| 0 | 2561 |
| 2562 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2563 const char *name, const char *sig)) | |
| 2564 JNIWrapper("GetFieldID"); | |
| 4006 | 2565 #ifndef USDT2 |
| 0 | 2566 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2567 #else /* USDT2 */ |
| 2568 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2569 env, clazz, (char *) name, (char *) sig); | |
| 2570 #endif /* USDT2 */ | |
| 0 | 2571 jfieldID ret = 0; |
| 2572 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2573 | |
| 2574 // The class should have been loaded (we have an instance of the class | |
| 2575 // passed in) so the field and signature should already be in the symbol | |
| 2576 // table. If they're not there, the field doesn't exist. | |
|
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2577 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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2578 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2579 if (fieldname == NULL || signame == NULL) { |
| 0 | 2580 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2581 } | |
| 2582 KlassHandle k(THREAD, | |
|
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2583 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2584 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2585 k()->initialize(CHECK_NULL); |
| 0 | 2586 |
| 2587 fieldDescriptor fd; | |
| 6983 | 2588 if (!k()->oop_is_instance() || |
|
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|
2589 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2590 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2591 } | |
| 2592 | |
| 2593 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2594 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2595 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2596 return ret; | |
| 2597 JNI_END | |
| 2598 | |
| 2599 | |
| 2600 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2601 JNIWrapper("GetObjectField"); | |
| 4006 | 2602 #ifndef USDT2 |
| 0 | 2603 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2604 #else /* USDT2 */ |
| 2605 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2606 env, obj, (uintptr_t) fieldID); | |
| 2607 #endif /* USDT2 */ | |
| 0 | 2608 oop o = JNIHandles::resolve_non_null(obj); |
|
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2609 Klass* k = o->klass(); |
| 0 | 2610 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2611 // Keep JVMTI addition small and only check enabled flag here. | |
| 2612 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2613 if (JvmtiExport::should_post_field_access()) { | |
| 2614 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2615 } | |
| 2616 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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|
2617 #if INCLUDE_ALL_GCS |
|
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2618 // If G1 is enabled and we are accessing the value of the referent |
|
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|
2619 // field in a reference object then we need to register a non-null |
|
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|
2620 // referent with the SATB barrier. |
|
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|
2621 if (UseG1GC) { |
|
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|
2622 bool needs_barrier = false; |
|
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|
2623 |
|
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|
2624 if (ret != NULL && |
|
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|
2625 offset == java_lang_ref_Reference::referent_offset && |
|
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2626 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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|
2627 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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|
2628 needs_barrier = true; |
|
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|
2629 } |
|
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|
2630 |
|
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|
2631 if (needs_barrier) { |
|
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|
2632 oop referent = JNIHandles::resolve(ret); |
|
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|
2633 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2634 } |
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|
2635 } |
|
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|
2636 #endif // INCLUDE_ALL_GCS |
| 4006 | 2637 #ifndef USDT2 |
| 0 | 2638 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2639 #else /* USDT2 */ |
| 2640 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2641 ret); | |
| 2642 #endif /* USDT2 */ | |
| 0 | 2643 return ret; |
| 2644 JNI_END | |
| 2645 | |
| 2646 | |
| 4006 | 2647 #ifndef USDT2 |
| 0 | 2648 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2649 \ | |
| 2650 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2651 \ | |
| 2652 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2653 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2654 \ | |
| 2655 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2656 Return ret = 0;\ | |
| 2657 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2658 \ | |
| 2659 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2660 Klass* k = o->klass(); \ |
| 0 | 2661 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2662 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2663 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2664 /* and creates a ResetNoHandleMark. */ \ | |
| 2665 if (JvmtiExport::should_post_field_access()) { \ | |
| 2666 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2667 } \ | |
| 2668 ret = o->Fieldname##_field(offset); \ | |
| 2669 return ret; \ | |
| 2670 JNI_END | |
| 2671 | |
| 2672 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2673 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2674 DEFINE_GETFIELD(jchar, char, Char) | |
| 2675 DEFINE_GETFIELD(jshort, short, Short) | |
| 2676 DEFINE_GETFIELD(jint, int, Int) | |
| 2677 DEFINE_GETFIELD(jlong, long, Long) | |
| 2678 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2679 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2680 | |
| 4006 | 2681 #else /* USDT2 */ |
| 2682 | |
| 2683 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2684 , EntryProbe, ReturnProbe) \ | |
| 2685 \ | |
| 2686 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2687 , ReturnProbe); \ | |
| 2688 \ | |
| 2689 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2690 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2691 \ | |
| 2692 EntryProbe; \ | |
| 2693 Return ret = 0;\ | |
| 2694 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2695 \ | |
| 2696 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2697 Klass* k = o->klass(); \ |
| 4006 | 2698 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2699 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2700 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2701 /* and creates a ResetNoHandleMark. */ \ | |
| 2702 if (JvmtiExport::should_post_field_access()) { \ | |
| 2703 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2704 } \ | |
| 2705 ret = o->Fieldname##_field(offset); \ | |
| 2706 return ret; \ | |
| 2707 JNI_END | |
| 2708 | |
| 2709 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2710 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2711 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2712 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2713 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2714 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2715 DEFINE_GETFIELD(jchar, char, Char | |
| 2716 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2717 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2718 DEFINE_GETFIELD(jshort, short, Short | |
| 2719 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2720 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2721 DEFINE_GETFIELD(jint, int, Int | |
| 2722 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2723 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2724 DEFINE_GETFIELD(jlong, long, Long | |
| 2725 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2726 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2727 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2728 DEFINE_GETFIELD(jfloat, float, Float | |
| 2729 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2730 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2731 DEFINE_GETFIELD(jdouble, double, Double | |
| 2732 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2733 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2734 #endif /* USDT2 */ | |
| 2735 | |
| 0 | 2736 address jni_GetBooleanField_addr() { |
| 2737 return (address)jni_GetBooleanField; | |
| 2738 } | |
| 2739 address jni_GetByteField_addr() { | |
| 2740 return (address)jni_GetByteField; | |
| 2741 } | |
| 2742 address jni_GetCharField_addr() { | |
| 2743 return (address)jni_GetCharField; | |
| 2744 } | |
| 2745 address jni_GetShortField_addr() { | |
| 2746 return (address)jni_GetShortField; | |
| 2747 } | |
| 2748 address jni_GetIntField_addr() { | |
| 2749 return (address)jni_GetIntField; | |
| 2750 } | |
| 2751 address jni_GetLongField_addr() { | |
| 2752 return (address)jni_GetLongField; | |
| 2753 } | |
| 2754 address jni_GetFloatField_addr() { | |
| 2755 return (address)jni_GetFloatField; | |
| 2756 } | |
| 2757 address jni_GetDoubleField_addr() { | |
| 2758 return (address)jni_GetDoubleField; | |
| 2759 } | |
| 2760 | |
| 2761 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2762 JNIWrapper("SetObjectField"); | |
| 4006 | 2763 #ifndef USDT2 |
| 0 | 2764 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2765 #else /* USDT2 */ |
| 2766 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2767 env, obj, (uintptr_t) fieldID, value); | |
| 2768 #endif /* USDT2 */ | |
| 0 | 2769 oop o = JNIHandles::resolve_non_null(obj); |
|
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|
2770 Klass* k = o->klass(); |
| 0 | 2771 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2772 // Keep JVMTI addition small and only check enabled flag here. | |
| 2773 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2774 // and creates a ResetNoHandleMark. | |
| 2775 if (JvmtiExport::should_post_field_modification()) { | |
| 2776 jvalue field_value; | |
| 2777 field_value.l = value; | |
| 2778 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2779 } | |
| 2780 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2781 #ifndef USDT2 |
| 0 | 2782 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2783 #else /* USDT2 */ |
| 2784 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2785 ); | |
| 2786 #endif /* USDT2 */ | |
| 0 | 2787 JNI_END |
| 2788 | |
| 4006 | 2789 #ifndef USDT2 |
| 0 | 2790 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2791 \ | |
| 2792 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2793 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2794 \ | |
|
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|
2795 FP_SELECT_##Result( \ |
|
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|
2796 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
|
75982791ddb6
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6831
diff
changeset
|
2797 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2798 \ |
| 2799 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2800 Klass* k = o->klass(); \ |
| 0 | 2801 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2802 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2803 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2804 /* and creates a ResetNoHandleMark. */ \ | |
| 2805 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2806 jvalue field_value; \ | |
| 2807 field_value.unionType = value; \ | |
| 2808 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2809 } \ | |
| 2810 o->Fieldname##_field_put(offset, value); \ | |
| 2811 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2812 JNI_END | |
| 2813 | |
| 2814 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2815 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2816 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2817 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2818 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2819 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2820 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2821 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2822 | |
| 4006 | 2823 #else /* USDT2 */ |
| 2824 | |
| 2825 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2826 , EntryProbe, ReturnProbe) \ | |
| 2827 \ | |
| 2828 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2829 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2830 \ | |
| 2831 EntryProbe; \ | |
| 2832 \ | |
| 2833 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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diff
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|
2834 Klass* k = o->klass(); \ |
| 4006 | 2835 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2836 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2837 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2838 /* and creates a ResetNoHandleMark. */ \ | |
| 2839 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2840 jvalue field_value; \ | |
| 2841 field_value.unionType = value; \ | |
| 2842 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2843 } \ | |
| 2844 o->Fieldname##_field_put(offset, value); \ | |
| 2845 ReturnProbe; \ | |
| 2846 JNI_END | |
| 2847 | |
| 2848 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2849 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2850 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2851 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2852 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2853 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2854 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2855 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2856 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2857 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2858 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2859 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2860 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2861 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2862 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2863 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2864 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2865 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2866 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2867 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2868 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2869 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2870 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2871 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2872 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2873 #endif /* USDT2 */ | |
| 2874 | |
| 2875 #ifndef USDT2 | |
| 0 | 2876 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2877 #else /* USDT2 */ |
| 2878 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2879 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2880 #endif /* USDT2 */ | |
| 0 | 2881 |
| 2882 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2883 JNIWrapper("ToReflectedField"); | |
| 4006 | 2884 #ifndef USDT2 |
| 0 | 2885 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2886 env, cls, fieldID, isStatic); | |
| 4006 | 2887 #else /* USDT2 */ |
| 2888 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2889 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2890 #endif /* USDT2 */ | |
| 0 | 2891 jobject ret = NULL; |
| 2892 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2893 | |
| 2894 fieldDescriptor fd; | |
| 2895 bool found = false; | |
|
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|
2896 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2897 |
| 2898 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2899 | |
| 2900 if (isStatic) { | |
|
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|
2901 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2902 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2903 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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|
2904 found = id->find_local_field(&fd); |
| 0 | 2905 } else { |
| 2906 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2907 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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|
2908 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2909 } |
| 2910 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2911 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2912 ret = JNIHandles::make_local(env, reflected); | |
| 2913 return ret; | |
| 2914 JNI_END | |
| 2915 | |
| 2916 | |
| 2917 // | |
| 2918 // Accessing Static Fields | |
| 2919 // | |
| 4006 | 2920 #ifndef USDT2 |
| 0 | 2921 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2922 #else /* USDT2 */ |
| 2923 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2924 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2925 #endif /* USDT2 */ | |
| 0 | 2926 |
| 2927 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2928 const char *name, const char *sig)) | |
| 2929 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2930 #ifndef USDT2 |
| 0 | 2931 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2932 #else /* USDT2 */ |
| 2933 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2934 env, clazz, (char *) name, (char *) sig); | |
| 2935 #endif /* USDT2 */ | |
| 0 | 2936 jfieldID ret = NULL; |
| 2937 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2938 | |
| 2939 // The class should have been loaded (we have an instance of the class | |
| 2940 // passed in) so the field and signature should already be in the symbol | |
| 2941 // table. If they're not there, the field doesn't exist. | |
|
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1989
diff
changeset
|
2942 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
2943 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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diff
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|
2944 if (fieldname == NULL || signame == NULL) { |
| 0 | 2945 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2946 } | |
| 2947 KlassHandle k(THREAD, | |
|
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|
2948 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2949 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2950 k()->initialize(CHECK_NULL); |
| 0 | 2951 |
| 2952 fieldDescriptor fd; | |
| 6983 | 2953 if (!k()->oop_is_instance() || |
|
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|
2954 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2955 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2956 } | |
| 2957 | |
|
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|
2958 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
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|
2959 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2960 debug_only(id->set_is_static_field_id();) |
| 2961 | |
|
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|
2962 debug_only(id->verify(fd.field_holder())); |
| 0 | 2963 |
| 2964 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2965 return ret; | |
| 2966 JNI_END | |
| 2967 | |
| 2968 | |
| 2969 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2970 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2971 #ifndef USDT2 |
| 0 | 2972 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2973 #else /* USDT2 */ |
| 2974 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 2975 env, clazz, (uintptr_t) fieldID); | |
| 2976 #endif /* USDT2 */ | |
|
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|
2977 #if INCLUDE_JNI_CHECK |
|
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|
2978 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
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|
2979 #endif // INCLUDE_JNI_CHECK |
| 0 | 2980 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2981 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2982 // Keep JVMTI addition small and only check enabled flag here. | |
| 2983 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2984 if (JvmtiExport::should_post_field_access()) { | |
| 2985 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 2986 } | |
|
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|
2987 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 2988 #ifndef USDT2 |
| 0 | 2989 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 2990 #else /* USDT2 */ |
| 2991 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 2992 ret); | |
| 2993 #endif /* USDT2 */ | |
| 0 | 2994 return ret; |
| 2995 JNI_END | |
| 2996 | |
| 4006 | 2997 #ifndef USDT2 |
| 0 | 2998 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 2999 \ | |
| 3000 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3001 \ | |
| 3002 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3003 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3004 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3005 Return ret = 0;\ | |
| 3006 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3007 (const Return&)ret);\ | |
| 3008 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3009 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3010 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3011 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3012 if (JvmtiExport::should_post_field_access()) { \ | |
| 3013 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3014 } \ | |
|
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|
3015 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3016 return ret;\ |
| 3017 JNI_END | |
| 3018 | |
| 3019 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3020 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3021 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3022 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3023 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3024 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3025 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3026 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3027 | |
| 4006 | 3028 #else /* USDT2 */ |
| 3029 | |
| 3030 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3031 , EntryProbe, ReturnProbe) \ | |
| 3032 \ | |
| 3033 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3034 , ReturnProbe); \ | |
| 3035 \ | |
| 3036 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3037 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3038 EntryProbe; \ | |
| 3039 Return ret = 0;\ | |
| 3040 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3041 (const Return&)ret);\ | |
| 3042 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3043 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3044 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3045 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3046 if (JvmtiExport::should_post_field_access()) { \ | |
| 3047 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3048 } \ | |
| 3049 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3050 return ret;\ | |
| 3051 JNI_END | |
| 3052 | |
| 3053 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3054 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3055 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3056 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3057 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3058 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3059 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3060 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3061 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3062 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3063 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3064 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3065 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3066 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3067 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3068 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3069 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3070 #endif /* USDT2 */ | |
| 0 | 3071 |
| 3072 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3073 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3074 #ifndef USDT2 |
| 0 | 3075 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3076 #else /* USDT2 */ |
| 3077 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3078 env, clazz, (uintptr_t) fieldID, value); | |
| 3079 #endif /* USDT2 */ | |
| 0 | 3080 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3081 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3082 // Keep JVMTI addition small and only check enabled flag here. | |
| 3083 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3084 if (JvmtiExport::should_post_field_modification()) { | |
| 3085 jvalue field_value; | |
| 3086 field_value.l = value; | |
| 3087 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3088 } | |
|
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|
3089 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3090 #ifndef USDT2 |
| 0 | 3091 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3092 #else /* USDT2 */ |
| 3093 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3094 ); | |
| 3095 #endif /* USDT2 */ | |
| 0 | 3096 JNI_END |
| 3097 | |
| 3098 | |
| 4006 | 3099 #ifndef USDT2 |
| 0 | 3100 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3101 \ | |
| 3102 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3103 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
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6831
diff
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|
3104 FP_SELECT_##Result( \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
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diff
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|
3105 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
|
75982791ddb6
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diff
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|
3106 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3107 \ |
| 3108 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3109 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3110 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3111 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3112 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3113 jvalue field_value; \ | |
| 3114 field_value.unionType = value; \ | |
| 3115 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3116 } \ | |
|
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|
3117 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3118 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3119 JNI_END | |
| 3120 | |
| 3121 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3122 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3123 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3124 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3125 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3126 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3127 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3128 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3129 | |
| 4006 | 3130 #else /* USDT2 */ |
| 3131 | |
| 3132 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3133 , EntryProbe, ReturnProbe) \ | |
| 3134 \ | |
| 3135 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3136 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3137 EntryProbe; \ | |
| 3138 \ | |
| 3139 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3140 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3141 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3142 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3143 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3144 jvalue field_value; \ | |
| 3145 field_value.unionType = value; \ | |
| 3146 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3147 } \ | |
| 3148 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3149 ReturnProbe;\ | |
| 3150 JNI_END | |
| 3151 | |
| 3152 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3153 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3154 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3155 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3156 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3157 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3158 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3159 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3160 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3161 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3162 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3163 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3164 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3165 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3166 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3167 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3168 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3169 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3170 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3171 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3172 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3173 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3174 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3175 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3176 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3177 #endif /* USDT2 */ | |
| 0 | 3178 |
| 3179 // | |
| 3180 // String Operations | |
| 3181 // | |
| 3182 | |
| 3183 // Unicode Interface | |
| 3184 | |
| 4006 | 3185 #ifndef USDT2 |
| 0 | 3186 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3187 #else /* USDT2 */ |
| 3188 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3189 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3190 #endif /* USDT2 */ | |
| 0 | 3191 |
| 3192 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3193 JNIWrapper("NewString"); | |
| 4006 | 3194 #ifndef USDT2 |
| 0 | 3195 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3196 #else /* USDT2 */ |
| 3197 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3198 env, (uint16_t *) unicodeChars, len); | |
| 3199 #endif /* USDT2 */ | |
| 0 | 3200 jstring ret = NULL; |
| 3201 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3202 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3203 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3204 return ret; | |
| 3205 JNI_END | |
| 3206 | |
| 3207 | |
| 3208 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3209 JNIWrapper("GetStringLength"); | |
| 4006 | 3210 #ifndef USDT2 |
| 0 | 3211 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3212 #else /* USDT2 */ |
| 3213 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3214 env, string); | |
| 3215 #endif /* USDT2 */ | |
| 0 | 3216 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3217 #ifndef USDT2 |
| 0 | 3218 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3219 #else /* USDT2 */ |
| 3220 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3221 ret); | |
| 3222 #endif /* USDT2 */ | |
| 0 | 3223 return ret; |
| 3224 JNI_END | |
| 3225 | |
| 3226 | |
| 3227 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3228 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3229 JNIWrapper("GetStringChars"); | |
| 4006 | 3230 #ifndef USDT2 |
| 0 | 3231 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3232 #else /* USDT2 */ |
| 3233 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3234 env, string, (uintptr_t *) isCopy); | |
| 3235 #endif /* USDT2 */ | |
| 0 | 3236 oop s = JNIHandles::resolve_non_null(string); |
| 3237 int s_len = java_lang_String::length(s); | |
| 3238 typeArrayOop s_value = java_lang_String::value(s); | |
| 3239 int s_offset = java_lang_String::offset(s); | |
|
12109
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|
3240 jchar* buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
|
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|
3241 /* JNI Specification states return NULL on OOM */ |
|
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|
3242 if (buf != NULL) { |
|
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|
3243 if (s_len > 0) { |
|
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changeset
|
3244 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
|
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diff
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|
3245 } |
|
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8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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|
3246 buf[s_len] = 0; |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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|
3247 //%note jni_5 |
|
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|
3248 if (isCopy != NULL) { |
|
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diff
changeset
|
3249 *isCopy = JNI_TRUE; |
|
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|
3250 } |
| 0 | 3251 } |
| 4006 | 3252 #ifndef USDT2 |
| 0 | 3253 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3254 #else /* USDT2 */ |
| 3255 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3256 buf); | |
| 3257 #endif /* USDT2 */ | |
| 0 | 3258 return buf; |
| 3259 JNI_END | |
| 3260 | |
| 3261 | |
| 3262 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3263 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3264 #ifndef USDT2 |
| 0 | 3265 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3266 #else /* USDT2 */ |
| 3267 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3268 env, str, (uint16_t *) chars); | |
| 3269 #endif /* USDT2 */ | |
| 0 | 3270 //%note jni_6 |
| 3271 if (chars != NULL) { | |
| 3272 // Since String objects are supposed to be immutable, don't copy any | |
| 3273 // new data back. A bad user will have to go after the char array. | |
| 3274 FreeHeap((void*) chars); | |
| 3275 } | |
| 4006 | 3276 #ifndef USDT2 |
| 0 | 3277 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3278 #else /* USDT2 */ |
| 3279 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3280 ); | |
| 3281 #endif /* USDT2 */ | |
| 0 | 3282 JNI_END |
| 3283 | |
| 3284 | |
| 3285 // UTF Interface | |
| 3286 | |
| 4006 | 3287 #ifndef USDT2 |
| 0 | 3288 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3289 #else /* USDT2 */ |
| 3290 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3291 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3292 #endif /* USDT2 */ | |
| 0 | 3293 |
| 3294 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3295 JNIWrapper("NewStringUTF"); | |
| 4006 | 3296 #ifndef USDT2 |
| 0 | 3297 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3298 #else /* USDT2 */ |
| 3299 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3300 env, (char *) bytes); | |
| 3301 #endif /* USDT2 */ | |
| 0 | 3302 jstring ret; |
| 3303 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3304 | |
| 3305 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3306 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3307 return ret; | |
| 3308 JNI_END | |
| 3309 | |
| 3310 | |
| 3311 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3312 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3313 #ifndef USDT2 |
| 0 | 3314 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3315 #else /* USDT2 */ |
| 3316 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3317 env, string); | |
| 3318 #endif /* USDT2 */ | |
| 0 | 3319 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3320 #ifndef USDT2 |
| 0 | 3321 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3322 #else /* USDT2 */ |
| 3323 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3324 ret); | |
| 3325 #endif /* USDT2 */ | |
| 0 | 3326 return ret; |
| 3327 JNI_END | |
| 3328 | |
| 3329 | |
| 3330 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3331 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3332 #ifndef USDT2 |
| 0 | 3333 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3334 #else /* USDT2 */ |
| 3335 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3336 env, string, (uintptr_t *) isCopy); | |
| 3337 #endif /* USDT2 */ | |
|
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diff
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|
3338 oop java_string = JNIHandles::resolve_non_null(string); |
|
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
changeset
|
3339 size_t length = java_lang_String::utf8_length(java_string); |
|
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diff
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|
3340 /* JNI Specification states return NULL on OOM */ |
|
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8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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diff
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|
3341 char* result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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diff
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|
3342 if (result != NULL) { |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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11092
diff
changeset
|
3343 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
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diff
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|
3344 if (isCopy != NULL) { |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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11092
diff
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|
3345 *isCopy = JNI_TRUE; |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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diff
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|
3346 } |
|
faf2631b9334
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|
3347 } |
| 4006 | 3348 #ifndef USDT2 |
| 0 | 3349 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3350 #else /* USDT2 */ |
| 3351 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3352 result); | |
| 3353 #endif /* USDT2 */ | |
| 0 | 3354 return result; |
| 3355 JNI_END | |
| 3356 | |
| 3357 | |
| 3358 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3359 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3360 #ifndef USDT2 |
| 0 | 3361 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3362 #else /* USDT2 */ |
| 3363 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3364 env, str, (char *) chars); | |
| 3365 #endif /* USDT2 */ | |
| 0 | 3366 if (chars != NULL) { |
| 3367 FreeHeap((char*) chars); | |
| 3368 } | |
| 4006 | 3369 #ifndef USDT2 |
| 0 | 3370 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3371 #else /* USDT2 */ |
| 3372 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3373 ); | |
| 3374 #endif /* USDT2 */ | |
| 0 | 3375 JNI_END |
| 3376 | |
| 3377 | |
| 3378 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3379 JNIWrapper("GetArrayLength"); | |
| 4006 | 3380 #ifndef USDT2 |
| 0 | 3381 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3382 #else /* USDT2 */ |
| 3383 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3384 env, array); | |
| 3385 #endif /* USDT2 */ | |
| 0 | 3386 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3387 assert(a->is_array(), "must be array"); | |
| 3388 jsize ret = a->length(); | |
| 4006 | 3389 #ifndef USDT2 |
| 0 | 3390 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3391 #else /* USDT2 */ |
| 3392 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3393 ret); | |
| 3394 #endif /* USDT2 */ | |
| 0 | 3395 return ret; |
| 3396 JNI_END | |
| 3397 | |
| 3398 | |
| 3399 // | |
| 3400 // Object Array Operations | |
| 3401 // | |
| 3402 | |
| 4006 | 3403 #ifndef USDT2 |
| 0 | 3404 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3405 #else /* USDT2 */ |
| 3406 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3407 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3408 #endif /* USDT2 */ | |
| 0 | 3409 |
| 3410 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3411 JNIWrapper("NewObjectArray"); | |
| 4006 | 3412 #ifndef USDT2 |
| 0 | 3413 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3414 #else /* USDT2 */ |
| 3415 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3416 env, length, elementClass, initialElement); | |
| 3417 #endif /* USDT2 */ | |
| 0 | 3418 jobjectArray ret = NULL; |
| 3419 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
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6964458: Reimplement class meta-data storage to use native memory
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6197
diff
changeset
|
3420 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3421 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3422 KlassHandle ak = KlassHandle(THREAD, ako); |
|
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d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
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6725
diff
changeset
|
3423 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
changeset
|
3424 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3425 oop initial_value = JNIHandles::resolve(initialElement); |
| 3426 if (initial_value != NULL) { // array already initialized with NULL | |
| 3427 for (int index = 0; index < length; index++) { | |
| 3428 result->obj_at_put(index, initial_value); | |
| 3429 } | |
| 3430 } | |
| 3431 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3432 return ret; | |
| 3433 JNI_END | |
| 3434 | |
| 4006 | 3435 #ifndef USDT2 |
| 0 | 3436 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3437 #else /* USDT2 */ |
| 3438 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3439 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3440 #endif /* USDT2 */ | |
| 0 | 3441 |
| 3442 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3443 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3444 #ifndef USDT2 |
| 0 | 3445 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3446 #else /* USDT2 */ |
| 3447 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3448 env, array, index); | |
| 3449 #endif /* USDT2 */ | |
| 0 | 3450 jobject ret = NULL; |
| 3451 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3452 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3453 if (a->is_within_bounds(index)) { | |
|
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973
diff
changeset
|
3454 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3455 return ret; |
| 3456 } else { | |
| 3457 char buf[jintAsStringSize]; | |
| 3458 sprintf(buf, "%d", index); | |
| 3459 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3460 } | |
| 3461 JNI_END | |
| 3462 | |
| 4006 | 3463 #ifndef USDT2 |
| 0 | 3464 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3465 #else /* USDT2 */ |
| 3466 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3467 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3468 #endif /* USDT2 */ | |
| 0 | 3469 |
| 3470 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3471 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3472 #ifndef USDT2 |
| 0 | 3473 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3474 #else /* USDT2 */ |
| 3475 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3476 env, array, index, value); | |
| 3477 #endif /* USDT2 */ | |
| 0 | 3478 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3479 | |
| 3480 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3481 oop v = JNIHandles::resolve(value); | |
| 3482 if (a->is_within_bounds(index)) { | |
|
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diff
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|
3483 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3484 a->obj_at_put(index, v); |
| 3485 } else { | |
| 3486 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3487 } | |
| 3488 } else { | |
| 3489 char buf[jintAsStringSize]; | |
| 3490 sprintf(buf, "%d", index); | |
| 3491 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3492 } | |
| 3493 JNI_END | |
| 3494 | |
| 3495 | |
| 4006 | 3496 #ifndef USDT2 |
| 0 | 3497 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3498 \ | |
| 4006 | 3499 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3500 \ |
| 3501 JNI_ENTRY(Return, \ | |
| 3502 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3503 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3504 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3505 Return ret = NULL;\ | |
|
1034
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973
diff
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|
3506 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3507 \ |
| 3508 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3509 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3510 return ret;\ | |
| 3511 JNI_END | |
| 3512 | |
| 3513 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3514 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3515 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3516 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3517 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3518 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3519 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3520 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3521 | |
| 4006 | 3522 #else /* USDT2 */ |
| 3523 | |
| 3524 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3525 ,EntryProbe,ReturnProbe) \ | |
| 3526 \ | |
| 3527 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3528 , ReturnProbe); \ | |
| 3529 \ | |
| 3530 JNI_ENTRY(Return, \ | |
| 3531 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3532 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3533 EntryProbe; \ | |
| 3534 Return ret = NULL;\ | |
| 3535 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3536 \ | |
| 3537 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3538 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3539 return ret;\ | |
| 3540 JNI_END | |
| 3541 | |
| 3542 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3543 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3544 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3545 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3546 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3547 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3548 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3549 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3550 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3551 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3552 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3553 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3554 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3555 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3556 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3557 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3558 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3559 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3560 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3561 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3562 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3563 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3564 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3565 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3566 #endif /* USDT2 */ | |
| 0 | 3567 |
| 3568 // Return an address which will fault if the caller writes to it. | |
| 3569 | |
| 3570 static char* get_bad_address() { | |
| 3571 static char* bad_address = NULL; | |
| 3572 if (bad_address == NULL) { | |
| 3573 size_t size = os::vm_allocation_granularity(); | |
| 3574 bad_address = os::reserve_memory(size); | |
| 3575 if (bad_address != NULL) { | |
|
477
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
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237
diff
changeset
|
3576 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
24fda36852ce
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237
diff
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|
3577 /*is_committed*/false); |
| 0 | 3578 } |
| 3579 } | |
| 3580 return bad_address; | |
| 3581 } | |
| 3582 | |
| 3583 | |
| 4006 | 3584 #ifndef USDT2 |
| 0 | 3585 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3586 \ | |
| 3587 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3588 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3589 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3590 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3591 /* allocate an chunk of memory in c land */ \ | |
| 3592 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3593 ElementType* result; \ | |
| 3594 int len = a->length(); \ | |
| 3595 if (len == 0) { \ | |
| 3596 /* Empty array: legal but useless, can't return NULL. \ | |
| 3597 * Return a pointer to something useless. \ | |
| 3598 * Avoid asserts in typeArrayOop. */ \ | |
| 3599 result = (ElementType*)get_bad_address(); \ | |
| 3600 } else { \ | |
|
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11092
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|
3601 /* JNI Specification states return NULL on OOM */ \ |
|
faf2631b9334
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parents:
11092
diff
changeset
|
3602 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
faf2631b9334
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diff
changeset
|
3603 if (result != NULL) { \ |
|
faf2631b9334
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11092
diff
changeset
|
3604 /* copy the array to the c chunk */ \ |
|
faf2631b9334
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11092
diff
changeset
|
3605 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
faf2631b9334
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11092
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|
3606 if (isCopy) { \ |
|
faf2631b9334
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|
3607 *isCopy = JNI_TRUE; \ |
|
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|
3608 } \ |
|
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|
3609 } \ |
| 0 | 3610 } \ |
| 3611 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3612 return result; \ | |
| 3613 JNI_END | |
| 3614 | |
| 3615 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3616 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3617 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3618 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3619 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3620 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3621 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3622 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3623 | |
| 4006 | 3624 #else /* USDT2 */ |
| 3625 | |
| 3626 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3627 , EntryProbe, ReturnProbe) \ | |
| 3628 \ | |
| 3629 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3630 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3631 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3632 EntryProbe; \ | |
| 3633 /* allocate an chunk of memory in c land */ \ | |
| 3634 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3635 ElementType* result; \ | |
| 3636 int len = a->length(); \ | |
| 3637 if (len == 0) { \ | |
| 3638 /* Empty array: legal but useless, can't return NULL. \ | |
| 3639 * Return a pointer to something useless. \ | |
| 3640 * Avoid asserts in typeArrayOop. */ \ | |
| 3641 result = (ElementType*)get_bad_address(); \ | |
| 3642 } else { \ | |
|
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3643 /* JNI Specification states return NULL on OOM */ \ |
|
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3644 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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3645 if (result != NULL) { \ |
|
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3646 /* copy the array to the c chunk */ \ |
|
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3647 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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3648 if (isCopy) { \ |
|
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3649 *isCopy = JNI_TRUE; \ |
|
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3650 } \ |
|
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|
3651 } \ |
| 4006 | 3652 } \ |
| 3653 ReturnProbe; \ | |
| 3654 return result; \ | |
| 3655 JNI_END | |
| 3656 | |
| 3657 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3658 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3659 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3660 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3661 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3662 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3663 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3664 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3665 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3666 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3667 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3668 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3669 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3670 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3671 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3672 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3673 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3674 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3675 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3676 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3677 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3678 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3679 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3680 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3681 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3682 #endif /* USDT2 */ | |
| 3683 | |
| 3684 #ifndef USDT2 | |
| 0 | 3685 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3686 \ | |
| 3687 JNI_QUICK_ENTRY(void, \ | |
| 3688 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3689 ElementType *buf, jint mode)) \ | |
| 3690 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3691 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3692 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3693 int len = a->length(); \ | |
| 3694 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3695 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3696 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3697 } \ | |
| 3698 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3699 FreeHeap(buf); \ | |
| 3700 } \ | |
| 3701 } \ | |
| 3702 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3703 JNI_END | |
| 3704 | |
| 3705 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3706 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3707 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3708 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3709 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3710 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3711 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3712 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3713 | |
| 4006 | 3714 #else /* USDT2 */ |
| 3715 | |
| 3716 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3717 , EntryProbe, ReturnProbe);\ | |
| 3718 \ | |
| 3719 JNI_QUICK_ENTRY(void, \ | |
| 3720 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3721 ElementType *buf, jint mode)) \ | |
| 3722 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3723 EntryProbe; \ | |
| 3724 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3725 int len = a->length(); \ | |
| 3726 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3727 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3728 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3729 } \ | |
| 3730 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3731 FreeHeap(buf); \ | |
| 3732 } \ | |
| 3733 } \ | |
| 3734 ReturnProbe; \ | |
| 3735 JNI_END | |
| 3736 | |
| 3737 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3738 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3739 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3740 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3741 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3742 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3743 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3744 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3745 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3747 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3748 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3750 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3751 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3752 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3753 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3754 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3755 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3756 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3757 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3758 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3759 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3760 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3761 #endif /* USDT2 */ | |
| 3762 | |
| 3763 #ifndef USDT2 | |
| 0 | 3764 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3765 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3766 \ | |
| 3767 JNI_ENTRY(void, \ | |
| 3768 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3769 jsize len, ElementType *buf)) \ | |
| 3770 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3771 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3772 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3773 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3774 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3775 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3776 } else { \ | |
| 3777 if (len > 0) { \ | |
|
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|
3778 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3779 memcpy((u_char*) buf, \ |
| 3780 (u_char*) src->Tag##_at_addr(start), \ | |
| 3781 len << sc); \ | |
| 3782 } \ | |
| 3783 } \ | |
| 3784 JNI_END | |
| 3785 | |
| 3786 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3787 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3788 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3789 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3790 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3791 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3792 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3793 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3794 | |
| 4006 | 3795 #else /* USDT2 */ |
| 3796 | |
| 3797 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3798 , EntryProbe, ReturnProbe); \ | |
| 3799 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3800 , ReturnProbe); \ | |
| 3801 \ | |
| 3802 JNI_ENTRY(void, \ | |
| 3803 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3804 jsize len, ElementType *buf)) \ | |
| 3805 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3806 EntryProbe; \ | |
| 3807 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3808 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3809 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3810 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3811 } else { \ | |
| 3812 if (len > 0) { \ | |
|
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|
3813 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3814 memcpy((u_char*) buf, \ |
| 3815 (u_char*) src->Tag##_at_addr(start), \ | |
| 3816 len << sc); \ | |
| 3817 } \ | |
| 3818 } \ | |
| 3819 JNI_END | |
| 3820 | |
| 3821 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3822 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3823 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3824 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3825 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3826 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3827 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3828 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3829 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3830 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3831 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3832 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3833 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3834 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3835 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3836 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3837 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3838 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3839 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3840 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3841 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3842 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3843 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3844 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3845 #endif /* USDT2 */ | |
| 3846 | |
| 3847 #ifndef USDT2 | |
| 0 | 3848 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3849 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3850 \ | |
| 3851 JNI_ENTRY(void, \ | |
| 3852 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3853 jsize len, const ElementType *buf)) \ | |
| 3854 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3855 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3856 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3857 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3858 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3859 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3860 } else { \ | |
| 3861 if (len > 0) { \ | |
|
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diff
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|
3862 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3863 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3864 (u_char*) buf, \ | |
| 3865 len << sc); \ | |
| 3866 } \ | |
| 3867 } \ | |
| 3868 JNI_END | |
| 3869 | |
| 3870 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3871 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3872 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3873 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3874 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3875 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3876 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3877 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3878 | |
| 4006 | 3879 #else /* USDT2 */ |
| 3880 | |
| 3881 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3882 , EntryProbe, ReturnProbe); \ | |
| 3883 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3884 ,ReturnProbe); \ | |
| 3885 \ | |
| 3886 JNI_ENTRY(void, \ | |
| 3887 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3888 jsize len, const ElementType *buf)) \ | |
| 3889 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3890 EntryProbe; \ | |
| 3891 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3892 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3893 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3894 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3895 } else { \ | |
| 3896 if (len > 0) { \ | |
|
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|
3897 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3898 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3899 (u_char*) buf, \ | |
| 3900 len << sc); \ | |
| 3901 } \ | |
| 3902 } \ | |
| 3903 JNI_END | |
| 3904 | |
| 3905 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3906 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3907 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3908 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3909 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3910 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3911 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3912 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3913 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3914 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3915 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3916 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3917 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3918 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3919 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3920 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3921 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3922 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3923 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3924 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3925 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3926 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3927 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3928 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3929 #endif /* USDT2 */ | |
| 3930 | |
| 0 | 3931 |
| 3932 // | |
| 3933 // Interception of natives | |
| 3934 // | |
| 3935 | |
| 3936 // The RegisterNatives call being attempted tried to register with a method that | |
| 3937 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3938 // to see if the native method is now wrapped with the prefixes. See the | |
| 3939 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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6197
diff
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|
3940 static Method* find_prefixed_native(KlassHandle k, |
|
2177
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diff
changeset
|
3941 Symbol* name, Symbol* signature, TRAPS) { |
|
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|
3942 #if INCLUDE_JVMTI |
| 0 | 3943 ResourceMark rm(THREAD); |
|
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|
3944 Method* method; |
| 0 | 3945 int name_len = name->utf8_length(); |
| 3946 char* name_str = name->as_utf8(); | |
| 3947 int prefix_count; | |
| 3948 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3949 for (int i = 0; i < prefix_count; i++) { | |
| 3950 char* prefix = prefixes[i]; | |
| 3951 int prefix_len = (int)strlen(prefix); | |
| 3952 | |
| 3953 // try adding this prefix to the method name and see if it matches another method name | |
| 3954 int trial_len = name_len + prefix_len; | |
| 3955 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3956 strcpy(trial_name_str, prefix); | |
| 3957 strcat(trial_name_str, name_str); | |
|
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|
3958 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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diff
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|
3959 if (trial_name == NULL) { |
| 0 | 3960 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3961 } | |
| 6983 | 3962 method = k()->lookup_method(trial_name, signature); |
| 0 | 3963 if (method == NULL) { |
| 3964 continue; // signature doesn't match, try the next prefix | |
| 3965 } | |
| 3966 if (method->is_native()) { | |
| 3967 method->set_is_prefixed_native(); | |
| 3968 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3969 } | |
| 3970 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3971 name_len = trial_len; | |
| 3972 name_str = trial_name_str; | |
| 3973 } | |
|
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|
3974 #endif // INCLUDE_JVMTI |
| 0 | 3975 return NULL; // not found |
| 3976 } | |
| 3977 | |
|
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diff
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|
3978 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 3979 Method* method = k()->lookup_method(name, signature); |
| 0 | 3980 if (method == NULL) { |
| 3981 ResourceMark rm; | |
| 3982 stringStream st; | |
| 3983 st.print("Method %s name or signature does not match", | |
| 6983 | 3984 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3985 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3986 } | |
| 3987 if (!method->is_native()) { | |
| 3988 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 3989 method = find_prefixed_native(k, name, signature, THREAD); | |
| 3990 if (method == NULL) { | |
| 3991 ResourceMark rm; | |
| 3992 stringStream st; | |
| 3993 st.print("Method %s is not declared as native", | |
| 6983 | 3994 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3995 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3996 } | |
| 3997 } | |
| 3998 | |
| 3999 if (entry != NULL) { | |
| 4000 method->set_native_function(entry, | |
|
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|
4001 Method::native_bind_event_is_interesting); |
| 0 | 4002 } else { |
| 4003 method->clear_native_function(); | |
| 4004 } | |
| 4005 if (PrintJNIResolving) { | |
| 4006 ResourceMark rm(THREAD); | |
| 4007 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
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diff
changeset
|
4008 method->method_holder()->external_name(), |
| 0 | 4009 method->name()->as_C_string()); |
| 4010 } | |
| 4011 return true; | |
| 4012 } | |
| 4013 | |
| 4006 | 4014 #ifndef USDT2 |
| 0 | 4015 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4016 #else /* USDT2 */ |
| 4017 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4018 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4019 #endif /* USDT2 */ | |
| 0 | 4020 |
| 4021 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4022 const JNINativeMethod *methods, | |
| 4023 jint nMethods)) | |
| 4024 JNIWrapper("RegisterNatives"); | |
| 4006 | 4025 #ifndef USDT2 |
| 0 | 4026 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4027 #else /* USDT2 */ |
| 4028 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4029 env, clazz, (void *) methods, nMethods); | |
| 4030 #endif /* USDT2 */ | |
| 0 | 4031 jint ret = 0; |
| 4032 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4033 | |
|
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|
4034 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4035 |
| 4036 for (int index = 0; index < nMethods; index++) { | |
| 4037 const char* meth_name = methods[index].name; | |
| 4038 const char* meth_sig = methods[index].signature; | |
| 4039 int meth_name_len = (int)strlen(meth_name); | |
| 4040 | |
| 4041 // The class should have been loaded (we have an instance of the class | |
| 4042 // passed in) so the method and signature should already be in the symbol | |
| 4043 // table. If they're not there, the method doesn't exist. | |
|
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diff
changeset
|
4044 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
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1989
diff
changeset
|
4045 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
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diff
changeset
|
4046 |
|
3582bf76420e
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diff
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|
4047 if (name == NULL || signature == NULL) { |
| 0 | 4048 ResourceMark rm; |
| 4049 stringStream st; | |
| 6983 | 4050 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4051 // Must return negative value on failure |
| 4052 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4053 } | |
| 4054 | |
| 4055 bool res = register_native(h_k, name, signature, | |
| 4056 (address) methods[index].fnPtr, THREAD); | |
| 4057 if (!res) { | |
| 4058 ret = -1; | |
| 4059 break; | |
| 4060 } | |
| 4061 } | |
| 4062 return ret; | |
| 4063 JNI_END | |
| 4064 | |
| 4065 | |
| 4066 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4067 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4068 #ifndef USDT2 |
| 0 | 4069 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4070 #else /* USDT2 */ |
| 4071 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4072 env, clazz); | |
| 4073 #endif /* USDT2 */ | |
|
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|
4074 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4075 //%note jni_2 |
| 6983 | 4076 if (k->oop_is_instance()) { |
|
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diff
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|
4077 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
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diff
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|
4078 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4079 if (m->is_native()) { |
| 4080 m->clear_native_function(); | |
| 4081 m->set_signature_handler(NULL); | |
| 4082 } | |
| 4083 } | |
| 4084 } | |
| 4006 | 4085 #ifndef USDT2 |
| 0 | 4086 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4087 #else /* USDT2 */ |
| 4088 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4089 0); | |
| 4090 #endif /* USDT2 */ | |
| 0 | 4091 return 0; |
| 4092 JNI_END | |
| 4093 | |
| 4094 // | |
| 4095 // Monitor functions | |
| 4096 // | |
| 4097 | |
| 4006 | 4098 #ifndef USDT2 |
| 0 | 4099 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4100 #else /* USDT2 */ |
| 4101 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4102 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4103 #endif /* USDT2 */ | |
| 0 | 4104 |
| 4105 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4106 #ifndef USDT2 |
| 0 | 4107 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4108 #else /* USDT2 */ |
| 4109 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4110 env, jobj); | |
| 4111 #endif /* USDT2 */ | |
| 0 | 4112 jint ret = JNI_ERR; |
| 4113 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4114 | |
| 4115 // If the object is null, we can't do anything with it | |
| 4116 if (jobj == NULL) { | |
| 4117 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4118 } | |
| 4119 | |
| 4120 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4121 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4122 ret = JNI_OK; | |
| 4123 return ret; | |
| 4124 JNI_END | |
| 4125 | |
| 4006 | 4126 #ifndef USDT2 |
| 0 | 4127 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4128 #else /* USDT2 */ |
| 4129 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4130 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4131 #endif /* USDT2 */ | |
| 0 | 4132 |
| 4133 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4134 #ifndef USDT2 |
| 0 | 4135 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4136 #else /* USDT2 */ |
| 4137 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4138 env, jobj); | |
| 4139 #endif /* USDT2 */ | |
| 0 | 4140 jint ret = JNI_ERR; |
| 4141 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4142 | |
| 4143 // Don't do anything with a null object | |
| 4144 if (jobj == NULL) { | |
| 4145 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4146 } | |
| 4147 | |
| 4148 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4149 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4150 | |
| 4151 ret = JNI_OK; | |
| 4152 return ret; | |
| 4153 JNI_END | |
| 4154 | |
| 4155 // | |
| 4156 // Extensions | |
| 4157 // | |
| 4158 | |
| 4006 | 4159 #ifndef USDT2 |
| 0 | 4160 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4161 #else /* USDT2 */ |
| 4162 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4163 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4164 #endif /* USDT2 */ | |
| 0 | 4165 |
| 4166 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4167 JNIWrapper("GetStringRegion"); | |
| 4006 | 4168 #ifndef USDT2 |
| 0 | 4169 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4170 #else /* USDT2 */ |
| 4171 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4172 env, string, start, len, buf); | |
| 4173 #endif /* USDT2 */ | |
| 0 | 4174 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4175 oop s = JNIHandles::resolve_non_null(string); | |
| 4176 int s_len = java_lang_String::length(s); | |
| 4177 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4178 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4179 } else { | |
| 4180 if (len > 0) { | |
| 4181 int s_offset = java_lang_String::offset(s); | |
| 4182 typeArrayOop s_value = java_lang_String::value(s); | |
| 4183 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4184 } | |
| 4185 } | |
| 4186 JNI_END | |
| 4187 | |
| 4006 | 4188 #ifndef USDT2 |
| 0 | 4189 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4190 #else /* USDT2 */ |
| 4191 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4192 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4193 #endif /* USDT2 */ | |
| 0 | 4194 |
| 4195 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4196 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4197 #ifndef USDT2 |
| 0 | 4198 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4199 #else /* USDT2 */ |
| 4200 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4201 env, string, start, len, buf); | |
| 4202 #endif /* USDT2 */ | |
| 0 | 4203 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4204 oop s = JNIHandles::resolve_non_null(string); | |
| 4205 int s_len = java_lang_String::length(s); | |
| 4206 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4207 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4208 } else { | |
| 4209 //%note jni_7 | |
| 4210 if (len > 0) { | |
| 4211 ResourceMark rm(THREAD); | |
| 4212 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4213 int utf_len = (int)strlen(utf_region); | |
| 4214 memcpy(buf, utf_region, utf_len); | |
| 4215 buf[utf_len] = 0; | |
| 4216 } else { | |
| 4217 // JDK null-terminates the buffer even in len is zero | |
| 4218 if (buf != NULL) { | |
| 4219 buf[0] = 0; | |
| 4220 } | |
| 4221 } | |
| 4222 } | |
| 4223 JNI_END | |
| 4224 | |
| 4225 | |
| 4226 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4227 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4228 #ifndef USDT2 |
| 0 | 4229 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4230 #else /* USDT2 */ |
| 4231 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4232 env, array, (uintptr_t *) isCopy); | |
| 4233 #endif /* USDT2 */ | |
| 0 | 4234 GC_locker::lock_critical(thread); |
| 4235 if (isCopy != NULL) { | |
| 4236 *isCopy = JNI_FALSE; | |
| 4237 } | |
| 4238 oop a = JNIHandles::resolve_non_null(array); | |
| 4239 assert(a->is_array(), "just checking"); | |
| 4240 BasicType type; | |
| 4241 if (a->is_objArray()) { | |
| 4242 type = T_OBJECT; | |
| 4243 } else { | |
|
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6725
diff
changeset
|
4244 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4245 } |
| 4246 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4247 #ifndef USDT2 |
| 0 | 4248 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4249 #else /* USDT2 */ |
| 4250 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4251 ret); | |
| 4252 #endif /* USDT2 */ | |
| 0 | 4253 return ret; |
| 4254 JNI_END | |
| 4255 | |
| 4256 | |
| 4257 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4258 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4259 #ifndef USDT2 |
| 0 | 4260 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4261 #else /* USDT2 */ |
| 4262 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4263 env, array, carray, mode); | |
| 4264 #endif /* USDT2 */ | |
| 0 | 4265 // The array, carray and mode arguments are ignored |
| 4266 GC_locker::unlock_critical(thread); | |
| 4006 | 4267 #ifndef USDT2 |
| 0 | 4268 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4269 #else /* USDT2 */ |
| 4270 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4271 ); | |
| 4272 #endif /* USDT2 */ | |
| 0 | 4273 JNI_END |
| 4274 | |
| 4275 | |
| 4276 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4277 JNIWrapper("GetStringCritical"); | |
| 4006 | 4278 #ifndef USDT2 |
| 0 | 4279 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4280 #else /* USDT2 */ |
| 4281 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4282 env, string, (uintptr_t *) isCopy); | |
| 4283 #endif /* USDT2 */ | |
| 0 | 4284 GC_locker::lock_critical(thread); |
| 4285 if (isCopy != NULL) { | |
| 4286 *isCopy = JNI_FALSE; | |
| 4287 } | |
| 4288 oop s = JNIHandles::resolve_non_null(string); | |
| 4289 int s_len = java_lang_String::length(s); | |
| 4290 typeArrayOop s_value = java_lang_String::value(s); | |
| 4291 int s_offset = java_lang_String::offset(s); | |
| 4292 const jchar* ret; | |
| 4293 if (s_len > 0) { | |
| 4294 ret = s_value->char_at_addr(s_offset); | |
| 4295 } else { | |
| 4296 ret = (jchar*) s_value->base(T_CHAR); | |
| 4297 } | |
| 4006 | 4298 #ifndef USDT2 |
| 0 | 4299 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4300 #else /* USDT2 */ |
| 4301 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4302 (uint16_t *) ret); | |
| 4303 #endif /* USDT2 */ | |
| 0 | 4304 return ret; |
| 4305 JNI_END | |
| 4306 | |
| 4307 | |
| 4308 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4309 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4310 #ifndef USDT2 |
| 0 | 4311 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4312 #else /* USDT2 */ |
| 4313 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4314 env, str, (uint16_t *) chars); | |
| 4315 #endif /* USDT2 */ | |
| 0 | 4316 // The str and chars arguments are ignored |
| 4317 GC_locker::unlock_critical(thread); | |
| 4006 | 4318 #ifndef USDT2 |
| 0 | 4319 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4320 #else /* USDT2 */ |
| 4321 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4322 ); | |
| 4323 #endif /* USDT2 */ | |
| 0 | 4324 JNI_END |
| 4325 | |
| 4326 | |
| 4327 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4328 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4329 #ifndef USDT2 |
| 0 | 4330 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4331 #else /* USDT2 */ |
| 4332 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4333 env, ref); | |
| 4334 #endif /* USDT2 */ | |
| 0 | 4335 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4336 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4337 #ifndef USDT2 |
| 0 | 4338 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4339 #else /* USDT2 */ |
| 4340 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4341 ret); | |
| 4342 #endif /* USDT2 */ | |
| 0 | 4343 return ret; |
| 4344 JNI_END | |
| 4345 | |
| 4346 // Must be JNI_ENTRY (with HandleMark) | |
| 4347 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4348 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4349 #ifndef USDT2 |
| 0 | 4350 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4351 #else /* USDT2 */ |
| 4352 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4353 env, ref); | |
| 4354 #endif /* USDT2 */ | |
| 0 | 4355 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4356 #ifndef USDT2 |
| 0 | 4357 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4358 #else /* USDT2 */ |
| 4359 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4360 ); | |
| 4361 #endif /* USDT2 */ | |
| 0 | 4362 JNI_END |
| 4363 | |
| 4364 | |
| 4365 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4366 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4367 #ifndef USDT2 |
| 0 | 4368 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4369 #else /* USDT2 */ |
| 4370 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4371 env); | |
| 4372 #endif /* USDT2 */ | |
| 0 | 4373 jni_check_async_exceptions(thread); |
| 4374 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4375 #ifndef USDT2 |
| 0 | 4376 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4377 #else /* USDT2 */ |
| 4378 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4379 ret); | |
| 4380 #endif /* USDT2 */ | |
| 0 | 4381 return ret; |
| 4382 JNI_END | |
| 4383 | |
| 4384 | |
| 4385 // Initialization state for three routines below relating to | |
| 4386 // java.nio.DirectBuffers | |
| 4387 static jint directBufferSupportInitializeStarted = 0; | |
| 4388 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4389 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4390 static jclass bufferClass = NULL; | |
| 4391 static jclass directBufferClass = NULL; | |
| 4392 static jclass directByteBufferClass = NULL; | |
| 4393 static jmethodID directByteBufferConstructor = NULL; | |
| 4394 static jfieldID directBufferAddressField = NULL; | |
| 4395 static jfieldID bufferCapacityField = NULL; | |
| 4396 | |
| 4397 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4398 Handle loader; // null (bootstrap) loader | |
| 4399 Handle protection_domain; // null protection domain | |
| 4400 | |
|
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|
4401 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
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|
4402 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
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|
4403 |
|
715dceaa89b7
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|
4404 if (TraceClassResolution && result != NULL) { |
|
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|
4405 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
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|
4406 } |
|
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|
4407 return result; |
| 0 | 4408 } |
| 4409 | |
| 4410 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4411 // circumvent any security checks that would be done by jni_FindClass. | |
| 4412 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4413 { | |
| 4414 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4415 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4416 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4417 return true; | |
| 4418 } | |
| 4419 JNI_END | |
| 4420 | |
| 4421 | |
| 4422 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4423 if (directBufferSupportInitializeFailed) { | |
| 4424 return false; | |
| 4425 } | |
| 4426 | |
| 4427 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4428 if (!lookupDirectBufferClasses(env)) { | |
| 4429 directBufferSupportInitializeFailed = 1; | |
| 4430 return false; | |
| 4431 } | |
| 4432 | |
| 4433 // Make global references for these | |
| 4434 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4435 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4436 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4437 | |
| 4438 // Get needed field and method IDs | |
| 4439 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4440 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4441 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4442 | |
| 4443 if ((directByteBufferConstructor == NULL) || | |
| 4444 (directBufferAddressField == NULL) || | |
| 4445 (bufferCapacityField == NULL)) { | |
| 4446 directBufferSupportInitializeFailed = 1; | |
| 4447 return false; | |
| 4448 } | |
| 4449 | |
| 4450 directBufferSupportInitializeEnded = 1; | |
| 4451 } else { | |
| 4452 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
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|
4453 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
4db4e58c16bd
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|
4454 // os::sleep which requires the VM state transition. On other platforms, it |
|
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|
4455 // is not necessary. The following call to change the VM state is purposely |
|
4db4e58c16bd
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diff
changeset
|
4456 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
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|
4457 // try to call this method. See 6791815 for more details. |
|
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diff
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|
4458 ThreadInVMfromNative tivn(thread); |
| 0 | 4459 os::yield_all(); |
| 4460 } | |
| 4461 } | |
| 4462 | |
| 4463 return !directBufferSupportInitializeFailed; | |
| 4464 } | |
| 4465 | |
| 4466 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4467 { | |
| 4468 // thread_from_jni_environment() will block if VM is gone. | |
| 4469 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4470 | |
| 4471 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4472 #ifndef USDT2 |
| 0 | 4473 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4474 #else /* USDT2 */ |
| 4475 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4476 env, address, capacity); | |
| 4477 #endif /* USDT2 */ | |
| 0 | 4478 |
| 4479 if (!directBufferSupportInitializeEnded) { | |
| 4480 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4481 #ifndef USDT2 |
| 0 | 4482 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4483 #else /* USDT2 */ |
| 4484 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4485 NULL); | |
| 4486 #endif /* USDT2 */ | |
| 0 | 4487 return NULL; |
| 4488 } | |
| 4489 } | |
| 4490 | |
| 4491 // Being paranoid about accidental sign extension on address | |
| 4492 jlong addr = (jlong) ((uintptr_t) address); | |
| 4493 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4494 // takes int capacity | |
| 4495 jint cap = (jint) capacity; | |
| 4496 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4497 #ifndef USDT2 |
| 0 | 4498 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4499 #else /* USDT2 */ |
| 4500 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4501 ret); | |
| 4502 #endif /* USDT2 */ | |
| 0 | 4503 return ret; |
| 4504 } | |
| 4505 | |
| 4006 | 4506 #ifndef USDT2 |
| 0 | 4507 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4508 #else /* USDT2 */ |
| 4509 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4510 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4511 #endif /* USDT2 */ | |
| 0 | 4512 |
| 4513 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4514 { | |
| 4515 // thread_from_jni_environment() will block if VM is gone. | |
| 4516 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4517 | |
| 4518 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4519 #ifndef USDT2 |
| 0 | 4520 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4521 #else /* USDT2 */ |
| 4522 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4523 env, buf); | |
| 4524 #endif /* USDT2 */ | |
| 0 | 4525 void* ret = NULL; |
| 4526 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4527 | |
| 4528 if (!directBufferSupportInitializeEnded) { | |
| 4529 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4530 return 0; | |
| 4531 } | |
| 4532 } | |
| 4533 | |
| 4534 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4535 return 0; | |
| 4536 } | |
| 4537 | |
| 4538 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4539 return ret; | |
| 4540 } | |
| 4541 | |
| 4006 | 4542 #ifndef USDT2 |
| 0 | 4543 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4544 #else /* USDT2 */ |
| 4545 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4546 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4547 #endif /* USDT2 */ | |
| 0 | 4548 |
| 4549 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4550 { | |
| 4551 // thread_from_jni_environment() will block if VM is gone. | |
| 4552 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4553 | |
| 4554 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4555 #ifndef USDT2 |
| 0 | 4556 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4557 #else /* USDT2 */ |
| 4558 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4559 env, buf); | |
| 4560 #endif /* USDT2 */ | |
| 0 | 4561 jlong ret = -1; |
| 4562 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4563 | |
| 4564 if (!directBufferSupportInitializeEnded) { | |
| 4565 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4566 ret = 0; | |
| 4567 return ret; | |
| 4568 } | |
| 4569 } | |
| 4570 | |
| 4571 if (buf == NULL) { | |
| 4572 return -1; | |
| 4573 } | |
| 4574 | |
| 4575 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4576 return -1; | |
| 4577 } | |
| 4578 | |
| 4579 // NOTE that capacity is currently an int in the implementation | |
| 4580 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4581 return ret; | |
| 4582 } | |
| 4583 | |
| 4584 | |
| 4585 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4586 JNIWrapper("GetVersion"); | |
| 4006 | 4587 #ifndef USDT2 |
| 0 | 4588 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4589 #else /* USDT2 */ |
| 4590 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4591 env); | |
| 4592 #endif /* USDT2 */ | |
| 4593 #ifndef USDT2 | |
| 0 | 4594 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4595 #else /* USDT2 */ |
| 4596 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4597 CurrentVersion); | |
| 4598 #endif /* USDT2 */ | |
| 0 | 4599 return CurrentVersion; |
| 4600 JNI_END | |
| 4601 | |
| 4602 extern struct JavaVM_ main_vm; | |
| 4603 | |
| 4604 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4605 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4606 #ifndef USDT2 |
| 0 | 4607 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4608 #else /* USDT2 */ |
| 4609 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4610 env, (void **) vm); | |
| 4611 #endif /* USDT2 */ | |
| 0 | 4612 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4613 #ifndef USDT2 |
| 0 | 4614 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4615 #else /* USDT2 */ |
| 4616 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4617 JNI_OK); | |
| 4618 #endif /* USDT2 */ | |
| 0 | 4619 return JNI_OK; |
| 4620 JNI_END | |
| 4621 | |
| 4622 // Structure containing all jni functions | |
| 4623 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4624 NULL, | |
| 4625 NULL, | |
| 4626 NULL, | |
| 4627 | |
| 4628 NULL, | |
| 4629 | |
| 4630 jni_GetVersion, | |
| 4631 | |
| 4632 jni_DefineClass, | |
| 4633 jni_FindClass, | |
| 4634 | |
| 4635 jni_FromReflectedMethod, | |
| 4636 jni_FromReflectedField, | |
| 4637 | |
| 4638 jni_ToReflectedMethod, | |
| 4639 | |
| 4640 jni_GetSuperclass, | |
| 4641 jni_IsAssignableFrom, | |
| 4642 | |
| 4643 jni_ToReflectedField, | |
| 4644 | |
| 4645 jni_Throw, | |
| 4646 jni_ThrowNew, | |
| 4647 jni_ExceptionOccurred, | |
| 4648 jni_ExceptionDescribe, | |
| 4649 jni_ExceptionClear, | |
| 4650 jni_FatalError, | |
| 4651 | |
| 4652 jni_PushLocalFrame, | |
| 4653 jni_PopLocalFrame, | |
| 4654 | |
| 4655 jni_NewGlobalRef, | |
| 4656 jni_DeleteGlobalRef, | |
| 4657 jni_DeleteLocalRef, | |
| 4658 jni_IsSameObject, | |
| 4659 | |
| 4660 jni_NewLocalRef, | |
| 4661 jni_EnsureLocalCapacity, | |
| 4662 | |
| 4663 jni_AllocObject, | |
| 4664 jni_NewObject, | |
| 4665 jni_NewObjectV, | |
| 4666 jni_NewObjectA, | |
| 4667 | |
| 4668 jni_GetObjectClass, | |
| 4669 jni_IsInstanceOf, | |
| 4670 | |
| 4671 jni_GetMethodID, | |
| 4672 | |
| 4673 jni_CallObjectMethod, | |
| 4674 jni_CallObjectMethodV, | |
| 4675 jni_CallObjectMethodA, | |
| 4676 jni_CallBooleanMethod, | |
| 4677 jni_CallBooleanMethodV, | |
| 4678 jni_CallBooleanMethodA, | |
| 4679 jni_CallByteMethod, | |
| 4680 jni_CallByteMethodV, | |
| 4681 jni_CallByteMethodA, | |
| 4682 jni_CallCharMethod, | |
| 4683 jni_CallCharMethodV, | |
| 4684 jni_CallCharMethodA, | |
| 4685 jni_CallShortMethod, | |
| 4686 jni_CallShortMethodV, | |
| 4687 jni_CallShortMethodA, | |
| 4688 jni_CallIntMethod, | |
| 4689 jni_CallIntMethodV, | |
| 4690 jni_CallIntMethodA, | |
| 4691 jni_CallLongMethod, | |
| 4692 jni_CallLongMethodV, | |
| 4693 jni_CallLongMethodA, | |
| 4694 jni_CallFloatMethod, | |
| 4695 jni_CallFloatMethodV, | |
| 4696 jni_CallFloatMethodA, | |
| 4697 jni_CallDoubleMethod, | |
| 4698 jni_CallDoubleMethodV, | |
| 4699 jni_CallDoubleMethodA, | |
| 4700 jni_CallVoidMethod, | |
| 4701 jni_CallVoidMethodV, | |
| 4702 jni_CallVoidMethodA, | |
| 4703 | |
| 4704 jni_CallNonvirtualObjectMethod, | |
| 4705 jni_CallNonvirtualObjectMethodV, | |
| 4706 jni_CallNonvirtualObjectMethodA, | |
| 4707 jni_CallNonvirtualBooleanMethod, | |
| 4708 jni_CallNonvirtualBooleanMethodV, | |
| 4709 jni_CallNonvirtualBooleanMethodA, | |
| 4710 jni_CallNonvirtualByteMethod, | |
| 4711 jni_CallNonvirtualByteMethodV, | |
| 4712 jni_CallNonvirtualByteMethodA, | |
| 4713 jni_CallNonvirtualCharMethod, | |
| 4714 jni_CallNonvirtualCharMethodV, | |
| 4715 jni_CallNonvirtualCharMethodA, | |
| 4716 jni_CallNonvirtualShortMethod, | |
| 4717 jni_CallNonvirtualShortMethodV, | |
| 4718 jni_CallNonvirtualShortMethodA, | |
| 4719 jni_CallNonvirtualIntMethod, | |
| 4720 jni_CallNonvirtualIntMethodV, | |
| 4721 jni_CallNonvirtualIntMethodA, | |
| 4722 jni_CallNonvirtualLongMethod, | |
| 4723 jni_CallNonvirtualLongMethodV, | |
| 4724 jni_CallNonvirtualLongMethodA, | |
| 4725 jni_CallNonvirtualFloatMethod, | |
| 4726 jni_CallNonvirtualFloatMethodV, | |
| 4727 jni_CallNonvirtualFloatMethodA, | |
| 4728 jni_CallNonvirtualDoubleMethod, | |
| 4729 jni_CallNonvirtualDoubleMethodV, | |
| 4730 jni_CallNonvirtualDoubleMethodA, | |
| 4731 jni_CallNonvirtualVoidMethod, | |
| 4732 jni_CallNonvirtualVoidMethodV, | |
| 4733 jni_CallNonvirtualVoidMethodA, | |
| 4734 | |
| 4735 jni_GetFieldID, | |
| 4736 | |
| 4737 jni_GetObjectField, | |
| 4738 jni_GetBooleanField, | |
| 4739 jni_GetByteField, | |
| 4740 jni_GetCharField, | |
| 4741 jni_GetShortField, | |
| 4742 jni_GetIntField, | |
| 4743 jni_GetLongField, | |
| 4744 jni_GetFloatField, | |
| 4745 jni_GetDoubleField, | |
| 4746 | |
| 4747 jni_SetObjectField, | |
| 4748 jni_SetBooleanField, | |
| 4749 jni_SetByteField, | |
| 4750 jni_SetCharField, | |
| 4751 jni_SetShortField, | |
| 4752 jni_SetIntField, | |
| 4753 jni_SetLongField, | |
| 4754 jni_SetFloatField, | |
| 4755 jni_SetDoubleField, | |
| 4756 | |
| 4757 jni_GetStaticMethodID, | |
| 4758 | |
| 4759 jni_CallStaticObjectMethod, | |
| 4760 jni_CallStaticObjectMethodV, | |
| 4761 jni_CallStaticObjectMethodA, | |
| 4762 jni_CallStaticBooleanMethod, | |
| 4763 jni_CallStaticBooleanMethodV, | |
| 4764 jni_CallStaticBooleanMethodA, | |
| 4765 jni_CallStaticByteMethod, | |
| 4766 jni_CallStaticByteMethodV, | |
| 4767 jni_CallStaticByteMethodA, | |
| 4768 jni_CallStaticCharMethod, | |
| 4769 jni_CallStaticCharMethodV, | |
| 4770 jni_CallStaticCharMethodA, | |
| 4771 jni_CallStaticShortMethod, | |
| 4772 jni_CallStaticShortMethodV, | |
| 4773 jni_CallStaticShortMethodA, | |
| 4774 jni_CallStaticIntMethod, | |
| 4775 jni_CallStaticIntMethodV, | |
| 4776 jni_CallStaticIntMethodA, | |
| 4777 jni_CallStaticLongMethod, | |
| 4778 jni_CallStaticLongMethodV, | |
| 4779 jni_CallStaticLongMethodA, | |
| 4780 jni_CallStaticFloatMethod, | |
| 4781 jni_CallStaticFloatMethodV, | |
| 4782 jni_CallStaticFloatMethodA, | |
| 4783 jni_CallStaticDoubleMethod, | |
| 4784 jni_CallStaticDoubleMethodV, | |
| 4785 jni_CallStaticDoubleMethodA, | |
| 4786 jni_CallStaticVoidMethod, | |
| 4787 jni_CallStaticVoidMethodV, | |
| 4788 jni_CallStaticVoidMethodA, | |
| 4789 | |
| 4790 jni_GetStaticFieldID, | |
| 4791 | |
| 4792 jni_GetStaticObjectField, | |
| 4793 jni_GetStaticBooleanField, | |
| 4794 jni_GetStaticByteField, | |
| 4795 jni_GetStaticCharField, | |
| 4796 jni_GetStaticShortField, | |
| 4797 jni_GetStaticIntField, | |
| 4798 jni_GetStaticLongField, | |
| 4799 jni_GetStaticFloatField, | |
| 4800 jni_GetStaticDoubleField, | |
| 4801 | |
| 4802 jni_SetStaticObjectField, | |
| 4803 jni_SetStaticBooleanField, | |
| 4804 jni_SetStaticByteField, | |
| 4805 jni_SetStaticCharField, | |
| 4806 jni_SetStaticShortField, | |
| 4807 jni_SetStaticIntField, | |
| 4808 jni_SetStaticLongField, | |
| 4809 jni_SetStaticFloatField, | |
| 4810 jni_SetStaticDoubleField, | |
| 4811 | |
| 4812 jni_NewString, | |
| 4813 jni_GetStringLength, | |
| 4814 jni_GetStringChars, | |
| 4815 jni_ReleaseStringChars, | |
| 4816 | |
| 4817 jni_NewStringUTF, | |
| 4818 jni_GetStringUTFLength, | |
| 4819 jni_GetStringUTFChars, | |
| 4820 jni_ReleaseStringUTFChars, | |
| 4821 | |
| 4822 jni_GetArrayLength, | |
| 4823 | |
| 4824 jni_NewObjectArray, | |
| 4825 jni_GetObjectArrayElement, | |
| 4826 jni_SetObjectArrayElement, | |
| 4827 | |
| 4828 jni_NewBooleanArray, | |
| 4829 jni_NewByteArray, | |
| 4830 jni_NewCharArray, | |
| 4831 jni_NewShortArray, | |
| 4832 jni_NewIntArray, | |
| 4833 jni_NewLongArray, | |
| 4834 jni_NewFloatArray, | |
| 4835 jni_NewDoubleArray, | |
| 4836 | |
| 4837 jni_GetBooleanArrayElements, | |
| 4838 jni_GetByteArrayElements, | |
| 4839 jni_GetCharArrayElements, | |
| 4840 jni_GetShortArrayElements, | |
| 4841 jni_GetIntArrayElements, | |
| 4842 jni_GetLongArrayElements, | |
| 4843 jni_GetFloatArrayElements, | |
| 4844 jni_GetDoubleArrayElements, | |
| 4845 | |
| 4846 jni_ReleaseBooleanArrayElements, | |
| 4847 jni_ReleaseByteArrayElements, | |
| 4848 jni_ReleaseCharArrayElements, | |
| 4849 jni_ReleaseShortArrayElements, | |
| 4850 jni_ReleaseIntArrayElements, | |
| 4851 jni_ReleaseLongArrayElements, | |
| 4852 jni_ReleaseFloatArrayElements, | |
| 4853 jni_ReleaseDoubleArrayElements, | |
| 4854 | |
| 4855 jni_GetBooleanArrayRegion, | |
| 4856 jni_GetByteArrayRegion, | |
| 4857 jni_GetCharArrayRegion, | |
| 4858 jni_GetShortArrayRegion, | |
| 4859 jni_GetIntArrayRegion, | |
| 4860 jni_GetLongArrayRegion, | |
| 4861 jni_GetFloatArrayRegion, | |
| 4862 jni_GetDoubleArrayRegion, | |
| 4863 | |
| 4864 jni_SetBooleanArrayRegion, | |
| 4865 jni_SetByteArrayRegion, | |
| 4866 jni_SetCharArrayRegion, | |
| 4867 jni_SetShortArrayRegion, | |
| 4868 jni_SetIntArrayRegion, | |
| 4869 jni_SetLongArrayRegion, | |
| 4870 jni_SetFloatArrayRegion, | |
| 4871 jni_SetDoubleArrayRegion, | |
| 4872 | |
| 4873 jni_RegisterNatives, | |
| 4874 jni_UnregisterNatives, | |
| 4875 | |
| 4876 jni_MonitorEnter, | |
| 4877 jni_MonitorExit, | |
| 4878 | |
| 4879 jni_GetJavaVM, | |
| 4880 | |
| 4881 jni_GetStringRegion, | |
| 4882 jni_GetStringUTFRegion, | |
| 4883 | |
| 4884 jni_GetPrimitiveArrayCritical, | |
| 4885 jni_ReleasePrimitiveArrayCritical, | |
| 4886 | |
| 4887 jni_GetStringCritical, | |
| 4888 jni_ReleaseStringCritical, | |
| 4889 | |
| 4890 jni_NewWeakGlobalRef, | |
| 4891 jni_DeleteWeakGlobalRef, | |
| 4892 | |
| 4893 jni_ExceptionCheck, | |
| 4894 | |
| 4895 jni_NewDirectByteBuffer, | |
| 4896 jni_GetDirectBufferAddress, | |
| 4897 jni_GetDirectBufferCapacity, | |
| 4898 | |
| 4899 // New 1_6 features | |
| 4900 | |
| 4901 jni_GetObjectRefType | |
| 4902 }; | |
| 4903 | |
| 4904 | |
| 4905 // For jvmti use to modify jni function table. | |
| 4906 // Java threads in native contiues to run until it is transitioned | |
| 4907 // to VM at safepoint. Before the transition or before it is blocked | |
| 4908 // for safepoint it may access jni function table. VM could crash if | |
| 4909 // any java thread access the jni function table in the middle of memcpy. | |
| 4910 // To avoid this each function pointers are copied automically. | |
| 4911 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4912 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4913 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4914 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4915 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4916 Atomic::store_ptr(*b++, a++); | |
| 4917 } | |
| 4918 } | |
| 4919 | |
| 4920 void quicken_jni_functions() { | |
| 4921 // Replace Get<Primitive>Field with fast versions | |
| 4922 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4923 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4924 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4925 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4926 // versions currently isn't certain for server vm on uniprocessor. | |
| 4927 && os::is_MP() | |
| 4928 #endif | |
| 4929 ) { | |
| 4930 address func; | |
| 4931 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4932 if (func != (address)-1) { | |
| 4933 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4934 } | |
| 4935 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4936 if (func != (address)-1) { | |
| 4937 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4938 } | |
| 4939 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4940 if (func != (address)-1) { | |
| 4941 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4942 } | |
| 4943 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4944 if (func != (address)-1) { | |
| 4945 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4946 } | |
| 4947 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4948 if (func != (address)-1) { | |
| 4949 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4950 } | |
| 4951 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4952 if (func != (address)-1) { | |
| 4953 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4954 } | |
| 4955 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4956 if (func != (address)-1) { | |
| 4957 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4958 } | |
| 4959 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4960 if (func != (address)-1) { | |
| 4961 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4962 } | |
| 4963 } | |
| 4964 } | |
| 4965 | |
| 4966 // Returns the function structure | |
| 4967 struct JNINativeInterface_* jni_functions() { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4968 #if INCLUDE_JNI_CHECK |
| 0 | 4969 if (CheckJNICalls) return jni_functions_check(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4970 #endif // INCLUDE_JNI_CHECK |
| 0 | 4971 return &jni_NativeInterface; |
| 4972 } | |
| 4973 | |
| 4974 // Returns the function structure | |
| 4975 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4976 return &jni_NativeInterface; | |
| 4977 } | |
| 4978 | |
| 4979 | |
| 4980 // Invocation API | |
| 4981 | |
| 4982 | |
| 4983 // Forward declaration | |
| 4984 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4985 | |
| 4986 // Global invocation API vars | |
| 4987 volatile jint vm_created = 0; | |
| 4988 // Indicate whether it is safe to recreate VM | |
| 4989 volatile jint safe_to_recreate_vm = 1; | |
| 4990 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 4991 | |
| 4992 | |
| 4993 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 4994 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 4995 | |
| 4006 | 4996 #ifndef USDT2 |
| 0 | 4997 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 4998 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 4999 #else /* USDT2 */ |
| 5000 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5001 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5002 #endif /* USDT2 */ | |
| 0 | 5003 |
| 5004 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5005 #ifndef USDT2 |
| 0 | 5006 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5007 #else /* USDT2 */ |
| 5008 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5009 args_); | |
| 5010 #endif /* USDT2 */ | |
| 0 | 5011 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5012 jint ret = JNI_ERR; | |
| 5013 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5014 | |
| 5015 if (Threads::is_supported_jni_version(args->version)) { | |
| 5016 ret = JNI_OK; | |
| 5017 } | |
| 5018 // 1.1 style no longer supported in hotspot. | |
| 5019 // According the JNI spec, we should update args->version on return. | |
| 5020 // We also use the structure to communicate with launcher about default | |
| 5021 // stack size. | |
| 5022 if (args->version == JNI_VERSION_1_1) { | |
| 5023 args->version = JNI_VERSION_1_2; | |
| 5024 // javaStackSize is int in arguments structure | |
| 5025 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5026 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5027 } | |
| 5028 return ret; | |
| 5029 } | |
| 5030 | |
| 3779 | 5031 #ifndef PRODUCT |
| 5032 | |
| 10405 | 5033 #include "gc_implementation/shared/gcTimer.hpp" |
| 4708 | 5034 #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
|
5035 #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
|
5036 #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
|
5037 #endif |
| 3779 | 5038 #include "utilities/quickSort.hpp" |
| 12215 | 5039 #include "utilities/ostream.hpp" |
| 7171 | 5040 #if INCLUDE_VM_STRUCTS |
| 5041 #include "runtime/vmStructs.hpp" | |
| 5042 #endif | |
| 3779 | 5043 |
| 4708 | 5044 #define run_unit_test(unit_test_function_call) \ |
| 5045 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5046 unit_test_function_call | |
| 5047 | |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5048 // Forward declaration |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5049 void TestReservedSpace_test(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5050 void TestReserveMemorySpecial_test(); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5051 void TestVirtualSpace_test(); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5052 void TestMetaspaceAux_test(); |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5053 #if INCLUDE_ALL_GCS |
|
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5054 void TestG1BiasedArray_test(); |
|
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5055 #endif |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5056 |
| 3779 | 5057 void execute_internal_vm_tests() { |
| 5058 if (ExecuteInternalVMTests) { | |
| 4708 | 5059 tty->print_cr("Running internal VM tests"); |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5060 run_unit_test(TestReservedSpace_test()); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5061 run_unit_test(TestReserveMemorySpecial_test()); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5062 run_unit_test(TestVirtualSpace_test()); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5063 run_unit_test(TestMetaspaceAux_test()); |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
5064 run_unit_test(GlobalDefinitions::test_globals()); |
| 10405 | 5065 run_unit_test(GCTimerAllTest::all()); |
| 4708 | 5066 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 5067 run_unit_test(CollectedHeap::test_is_in()); | |
| 5068 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 5069 run_unit_test(AltHashing::test_alt_hash()); |
| 12215 | 5070 run_unit_test(test_loggc_filename()); |
| 7171 | 5071 #if INCLUDE_VM_STRUCTS |
| 5072 run_unit_test(VMStructs::test()); | |
| 5073 #endif | |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5074 #if INCLUDE_ALL_GCS |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5075 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
|
5076 run_unit_test(HeapRegionRemSet::test_prt()); |
|
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5077 #endif |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5078 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5079 } |
| 5080 } | |
| 5081 | |
| 4708 | 5082 #undef run_unit_test |
| 5083 | |
| 3779 | 5084 #endif |
| 5085 | |
| 4006 | 5086 #ifndef USDT2 |
| 0 | 5087 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5088 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5089 #else /* USDT2 */ |
| 5090 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5091 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5092 #endif /* USDT2 */ | |
| 0 | 5093 |
| 5094 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5095 #ifndef USDT2 |
| 0 | 5096 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5097 #else /* USDT2 */ |
| 5098 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5099 (void **) vm, penv, args); | |
| 5100 #endif /* USDT2 */ | |
| 0 | 5101 |
| 5102 jint result = JNI_ERR; | |
| 5103 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5104 | |
| 1078 | 5105 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5106 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5107 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5108 // on all architectures. So we check it works before relying on it. | |
| 5109 #if defined(ZERO) && defined(ASSERT) | |
| 5110 { | |
| 5111 jint a = 0xcafebabe; | |
| 5112 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5113 void *c = &a; | |
| 5114 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5115 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5116 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5117 } | |
| 5118 #endif // ZERO && ASSERT | |
| 5119 | |
| 0 | 5120 // At the moment it's only possible to have one Java VM, |
| 5121 // since some of the runtime state is in global variables. | |
| 5122 | |
| 5123 // We cannot use our mutex locks here, since they only work on | |
| 5124 // Threads. We do an atomic compare and exchange to ensure only | |
| 5125 // one thread can call this method at a time | |
| 5126 | |
| 5127 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5128 // the add/dec implementations are dependent on whether we are running | |
| 5129 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5130 // function used to determine this will always return false. Atomic::xchg | |
| 5131 // does not have this problem. | |
| 5132 if (Atomic::xchg(1, &vm_created) == 1) { | |
|
11089
f323bbb0e6c1
8019833: Wrong JNI error code for preexisting JVM
coleenp
parents:
11059
diff
changeset
|
5133 return JNI_EEXIST; // already created, or create attempt in progress |
| 0 | 5134 } |
| 5135 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5136 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5137 } | |
| 5138 | |
| 5139 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5140 | |
| 5141 /** | |
| 5142 * Certain errors during initialization are recoverable and do not | |
| 5143 * prevent this method from being called again at a later time | |
| 5144 * (perhaps with different arguments). However, at a certain | |
| 5145 * point during initialization if an error occurs we cannot allow | |
| 5146 * this function to be called again (or it will crash). In those | |
| 5147 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5148 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5149 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5150 */ | |
| 5151 bool can_try_again = true; | |
| 5152 | |
| 5153 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5154 if (result == JNI_OK) { | |
| 5155 JavaThread *thread = JavaThread::current(); | |
| 5156 /* thread is thread_in_vm here */ | |
| 5157 *vm = (JavaVM *)(&main_vm); | |
| 5158 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5159 | |
|
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5160 #ifdef GRAAL |
|
7126
ce248dc0a656
removed all Graal modifications to ci and c1
Doug Simon <doug.simon@oracle.com>
parents:
7100
diff
changeset
|
5161 GraalCompiler* graal_compiler = GraalCompiler::instance(); |
|
ce248dc0a656
removed all Graal modifications to ci and c1
Doug Simon <doug.simon@oracle.com>
parents:
7100
diff
changeset
|
5162 graal_compiler->initialize(); |
|
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5163 #endif |
|
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5164 |
| 0 | 5165 // Tracks the time application was running before GC |
| 5166 RuntimeService::record_application_start(); | |
| 5167 | |
| 5168 // Notify JVMTI | |
| 5169 if (JvmtiExport::should_post_thread_life()) { | |
| 5170 JvmtiExport::post_thread_start(thread); | |
| 5171 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5172 |
| 10405 | 5173 EventThreadStart event; |
| 5174 if (event.should_commit()) { | |
| 5175 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5176 event.commit(); | |
| 5177 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5178 |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5179 #ifndef PRODUCT |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5180 #ifndef TARGET_OS_FAMILY_windows |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5181 #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
|
5182 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5183 |
| 0 | 5184 // 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
|
5185 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
|
5186 if (ReplayCompiles) ciReplay::replay(thread); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5187 |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5188 // Some platforms (like Win*) need a wrapper around these test |
|
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|
5189 // functions in order to properly handle error conditions. |
|
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diff
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|
5190 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
|
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|
5191 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests); |
|
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|
5192 #endif |
|
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|
5193 |
| 0 | 5194 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5195 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5196 } else { | |
| 5197 if (can_try_again) { | |
| 5198 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5199 safe_to_recreate_vm = 1; | |
| 5200 } | |
| 5201 | |
| 5202 // Creation failed. We must reset vm_created | |
| 5203 *vm = 0; | |
| 5204 *(JNIEnv**)penv = 0; | |
| 5205 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5206 // control both compiler and architectural-based reordering. | |
| 5207 OrderAccess::release_store(&vm_created, 0); | |
| 5208 } | |
| 5209 | |
| 5210 return result; | |
| 5211 } | |
| 5212 | |
| 4006 | 5213 #ifndef USDT2 |
| 0 | 5214 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5215 JavaVM**, jsize, jsize*); | |
| 5216 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5217 #endif /* !USDT2 */ |
| 0 | 5218 |
| 5219 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5220 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5221 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5222 #ifndef USDT2 |
| 0 | 5223 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5224 vm_buf, bufLen, numVMs); | |
| 4006 | 5225 #else /* USDT2 */ |
| 5226 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5227 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5228 #endif /* USDT2 */ | |
| 0 | 5229 if (vm_created) { |
| 5230 if (numVMs != NULL) *numVMs = 1; | |
| 5231 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5232 } else { | |
| 5233 if (numVMs != NULL) *numVMs = 0; | |
| 5234 } | |
| 4006 | 5235 #ifndef USDT2 |
| 0 | 5236 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5237 #else /* USDT2 */ |
| 5238 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5239 JNI_OK); | |
| 5240 #endif /* USDT2 */ | |
| 0 | 5241 return JNI_OK; |
| 5242 } | |
| 5243 | |
| 5244 extern "C" { | |
| 5245 | |
| 4006 | 5246 #ifndef USDT2 |
| 0 | 5247 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5248 #else /* USDT2 */ |
| 5249 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5250 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5251 #endif /* USDT2 */ | |
| 0 | 5252 |
| 5253 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5254 #ifndef USDT2 |
| 0 | 5255 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5256 #else /* USDT2 */ |
| 5257 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5258 vm); | |
| 5259 #endif /* USDT2 */ | |
| 0 | 5260 jint res = JNI_ERR; |
| 5261 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5262 | |
| 5263 if (!vm_created) { | |
| 5264 res = JNI_ERR; | |
| 5265 return res; | |
| 5266 } | |
| 5267 | |
| 5268 JNIWrapper("DestroyJavaVM"); | |
| 5269 JNIEnv *env; | |
| 5270 JavaVMAttachArgs destroyargs; | |
| 5271 destroyargs.version = CurrentVersion; | |
| 5272 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5273 destroyargs.group = NULL; | |
| 5274 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5275 if (res != JNI_OK) { | |
| 5276 return res; | |
| 5277 } | |
| 5278 | |
| 5279 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5280 JavaThread* thread = JavaThread::current(); | |
| 5281 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5282 if (Threads::destroy_vm()) { | |
| 5283 // Should not change thread state, VM is gone | |
| 5284 vm_created = false; | |
| 5285 res = JNI_OK; | |
| 5286 return res; | |
| 5287 } else { | |
| 5288 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5289 res = JNI_ERR; | |
| 5290 return res; | |
| 5291 } | |
| 5292 } | |
| 5293 | |
| 5294 | |
| 5295 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5296 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5297 | |
| 5298 // Check below commented out from JDK1.2fcs as well | |
| 5299 /* | |
| 5300 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5301 return JNI_EVERSION; | |
| 5302 } | |
| 5303 */ | |
| 5304 | |
| 5305 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5306 if (t != NULL) { | |
| 5307 // If the thread has been attached this operation is a no-op | |
| 5308 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5309 return JNI_OK; | |
| 5310 } | |
| 5311 | |
| 5312 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5313 // ThreadsListEnumerator - see CR 6404306 | |
| 5314 JavaThread* thread = new JavaThread(true); | |
| 5315 | |
| 5316 // Set correct safepoint info. The thread is going to call into Java when | |
| 5317 // initializing the Java level thread object. Hence, the correct state must | |
| 5318 // be set in order for the Safepoint code to deal with it correctly. | |
| 5319 thread->set_thread_state(_thread_in_vm); | |
| 5320 // Must do this before initialize_thread_local_storage | |
| 5321 thread->record_stack_base_and_size(); | |
|
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diff
changeset
|
5322 |
| 0 | 5323 thread->initialize_thread_local_storage(); |
| 5324 | |
| 5325 if (!os::create_attached_thread(thread)) { | |
| 5326 delete thread; | |
| 5327 return JNI_ERR; | |
| 5328 } | |
|
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diff
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|
5329 // Enable stack overflow checks |
|
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diff
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|
5330 thread->create_stack_guard_pages(); |
|
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diff
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|
5331 |
| 0 | 5332 thread->initialize_tlab(); |
| 5333 | |
|
1681
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diff
changeset
|
5334 thread->cache_global_variables(); |
|
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diff
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|
5335 |
| 0 | 5336 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5337 // not been added to the Thread list yet. | |
| 5338 { Threads_lock->lock_without_safepoint_check(); | |
| 5339 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5340 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5341 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5342 Threads::add(thread, daemon); | |
| 5343 Threads_lock->unlock(); | |
| 5344 } | |
| 5345 // Create thread group and name info from attach arguments | |
| 5346 oop group = NULL; | |
| 5347 char* thread_name = NULL; | |
| 5348 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5349 group = JNIHandles::resolve(args->group); | |
| 5350 thread_name = args->name; // may be NULL | |
| 5351 } | |
| 5352 if (group == NULL) group = Universe::main_thread_group(); | |
| 5353 | |
| 5354 // Create Java level thread object and attach it to this thread | |
| 5355 bool attach_failed = false; | |
| 5356 { | |
| 5357 EXCEPTION_MARK; | |
| 5358 HandleMark hm(THREAD); | |
| 5359 Handle thread_group(THREAD, group); | |
| 5360 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5361 if (HAS_PENDING_EXCEPTION) { | |
| 5362 CLEAR_PENDING_EXCEPTION; | |
| 5363 // cleanup outside the handle mark. | |
| 5364 attach_failed = true; | |
| 5365 } | |
| 5366 } | |
| 5367 | |
| 5368 if (attach_failed) { | |
| 5369 // Added missing cleanup | |
| 5370 thread->cleanup_failed_attach_current_thread(); | |
| 5371 return JNI_ERR; | |
| 5372 } | |
| 5373 | |
| 5374 // mark the thread as no longer attaching | |
| 5375 // this uses a fence to push the change through so we don't have | |
| 5376 // to regrab the threads_lock | |
| 4006 | 5377 thread->set_done_attaching_via_jni(); |
| 0 | 5378 |
| 5379 // Set java thread status. | |
| 5380 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5381 java_lang_Thread::RUNNABLE); | |
| 5382 | |
| 5383 // Notify the debugger | |
| 5384 if (JvmtiExport::should_post_thread_life()) { | |
| 5385 JvmtiExport::post_thread_start(thread); | |
| 5386 } | |
| 5387 | |
| 10405 | 5388 EventThreadStart event; |
| 5389 if (event.should_commit()) { | |
| 5390 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5391 event.commit(); | |
| 5392 } | |
|
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diff
changeset
|
5393 |
| 0 | 5394 *(JNIEnv**)penv = thread->jni_environment(); |
| 5395 | |
| 5396 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5397 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5398 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5399 // needed. | |
| 5400 | |
| 5401 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5402 | |
| 5403 // Perform any platform dependent FPU setup | |
| 5404 os::setup_fpu(); | |
| 5405 | |
| 5406 return JNI_OK; | |
| 5407 } | |
| 5408 | |
| 5409 | |
| 5410 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5411 #ifndef USDT2 |
| 0 | 5412 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5413 #else /* USDT2 */ |
| 5414 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5415 vm, penv, _args); | |
| 5416 #endif /* USDT2 */ | |
| 0 | 5417 if (!vm_created) { |
| 4006 | 5418 #ifndef USDT2 |
| 0 | 5419 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5420 #else /* USDT2 */ |
| 5421 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5422 (uint32_t) JNI_ERR); | |
| 5423 #endif /* USDT2 */ | |
| 0 | 5424 return JNI_ERR; |
| 5425 } | |
| 5426 | |
| 5427 JNIWrapper("AttachCurrentThread"); | |
| 5428 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5429 #ifndef USDT2 |
| 0 | 5430 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5431 #else /* USDT2 */ |
| 5432 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5433 ret); | |
| 5434 #endif /* USDT2 */ | |
| 0 | 5435 return ret; |
| 5436 } | |
| 5437 | |
| 5438 | |
| 5439 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5440 #ifndef USDT2 |
| 0 | 5441 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5442 #else /* USDT2 */ |
| 5443 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5444 vm); | |
| 5445 #endif /* USDT2 */ | |
| 0 | 5446 VM_Exit::block_if_vm_exited(); |
| 5447 | |
| 5448 JNIWrapper("DetachCurrentThread"); | |
| 5449 | |
| 5450 // If the thread has been deattacted the operations is a no-op | |
| 5451 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5452 #ifndef USDT2 |
| 0 | 5453 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5454 #else /* USDT2 */ |
| 5455 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5456 JNI_OK); | |
| 5457 #endif /* USDT2 */ | |
| 0 | 5458 return JNI_OK; |
| 5459 } | |
| 5460 | |
| 5461 JavaThread* thread = JavaThread::current(); | |
| 5462 if (thread->has_last_Java_frame()) { | |
| 4006 | 5463 #ifndef USDT2 |
| 0 | 5464 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5465 #else /* USDT2 */ |
| 5466 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5467 (uint32_t) JNI_ERR); | |
| 5468 #endif /* USDT2 */ | |
| 0 | 5469 // Can't detach a thread that's running java, that can't work. |
| 5470 return JNI_ERR; | |
| 5471 } | |
| 5472 | |
| 5473 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5474 // middel of a safepoint operation | |
| 5475 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5476 | |
| 5477 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5478 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5479 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5480 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5481 // the removal of the guards is buried below in JavaThread::exit() | |
| 5482 // here. The abstraction should be more symmetrically either exposed | |
| 5483 // or hidden (e.g. it could probably be hidden in the same | |
| 5484 // (platform-dependent) methods where we do alternate stack | |
| 5485 // maintenance work?) | |
| 5486 thread->exit(false, JavaThread::jni_detach); | |
| 5487 delete thread; | |
| 5488 | |
| 4006 | 5489 #ifndef USDT2 |
| 0 | 5490 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5491 #else /* USDT2 */ |
| 5492 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5493 JNI_OK); | |
| 5494 #endif /* USDT2 */ | |
| 0 | 5495 return JNI_OK; |
| 5496 } | |
| 5497 | |
| 4006 | 5498 #ifndef USDT2 |
| 0 | 5499 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5500 #else /* USDT2 */ |
| 5501 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5502 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5503 #endif /* USDT2 */ | |
| 0 | 5504 |
| 5505 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5506 #ifndef USDT2 |
| 0 | 5507 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5508 #else /* USDT2 */ |
| 5509 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5510 vm, penv, version); | |
| 5511 #endif /* USDT2 */ | |
| 0 | 5512 jint ret = JNI_ERR; |
| 5513 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5514 | |
| 5515 if (!vm_created) { | |
| 5516 *penv = NULL; | |
| 5517 ret = JNI_EDETACHED; | |
| 5518 return ret; | |
| 5519 } | |
| 5520 | |
|
4800
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diff
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|
5521 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5522 return ret; |
| 5523 } | |
| 5524 | |
| 5525 #ifndef JVMPI_VERSION_1 | |
| 5526 // need these in order to be polite about older agents | |
| 5527 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5528 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5529 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5530 #endif // !JVMPI_VERSION_1 | |
| 5531 | |
| 5532 Thread* thread = ThreadLocalStorage::thread(); | |
| 5533 if (thread != NULL && thread->is_Java_thread()) { | |
| 5534 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5535 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5536 ret = JNI_OK; | |
| 5537 return ret; | |
| 5538 | |
| 5539 } else if (version == JVMPI_VERSION_1 || | |
| 5540 version == JVMPI_VERSION_1_1 || | |
| 5541 version == JVMPI_VERSION_1_2) { | |
| 5542 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5543 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5544 ret = JNI_EVERSION; | |
| 5545 return ret; | |
| 5546 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5547 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5548 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5549 ret = JNI_EVERSION; | |
| 5550 return ret; | |
| 5551 } else { | |
| 5552 *penv = NULL; | |
| 5553 ret = JNI_EVERSION; | |
| 5554 return ret; | |
| 5555 } | |
| 5556 } else { | |
| 5557 *penv = NULL; | |
| 5558 ret = JNI_EDETACHED; | |
| 5559 return ret; | |
| 5560 } | |
| 5561 } | |
| 5562 | |
| 5563 | |
| 5564 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5565 #ifndef USDT2 |
| 0 | 5566 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5567 #else /* USDT2 */ |
| 5568 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5569 vm, penv, _args); | |
| 5570 #endif /* USDT2 */ | |
| 0 | 5571 if (!vm_created) { |
| 4006 | 5572 #ifndef USDT2 |
| 0 | 5573 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5574 #else /* USDT2 */ |
| 5575 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5576 (uint32_t) JNI_ERR); | |
| 5577 #endif /* USDT2 */ | |
| 0 | 5578 return JNI_ERR; |
| 5579 } | |
| 5580 | |
| 5581 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5582 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5583 #ifndef USDT2 |
| 0 | 5584 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5585 #else /* USDT2 */ |
| 5586 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5587 ret); | |
| 5588 #endif /* USDT2 */ | |
| 0 | 5589 return ret; |
| 5590 } | |
| 5591 | |
| 5592 | |
| 5593 } // End extern "C" | |
| 5594 | |
| 5595 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5596 NULL, | |
| 5597 NULL, | |
| 5598 NULL, | |
| 5599 | |
| 5600 jni_DestroyJavaVM, | |
| 5601 jni_AttachCurrentThread, | |
| 5602 jni_DetachCurrentThread, | |
| 5603 jni_GetEnv, | |
| 5604 jni_AttachCurrentThreadAsDaemon | |
| 5605 }; |