Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 9762:57e5211846f9
Added class unloading support to the method profiling infrastructure.
| author | Christian Haeubl <haeubl@ssw.jku.at> |
|---|---|
| date | Fri, 17 May 2013 17:24:03 +0200 |
| parents | 89e4d67fdd2a |
| children | 836a62f43af9 |
| 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" |
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80 #include "trace/traceEventTypes.hpp" |
| 1972 | 81 #include "utilities/defaultStream.hpp" |
| 82 #include "utilities/dtrace.hpp" | |
| 83 #include "utilities/events.hpp" | |
| 84 #include "utilities/histogram.hpp" | |
| 85 #ifdef TARGET_OS_FAMILY_linux | |
| 86 # include "os_linux.inline.hpp" | |
| 87 #endif | |
| 88 #ifdef TARGET_OS_FAMILY_solaris | |
| 89 # include "os_solaris.inline.hpp" | |
| 90 #endif | |
| 91 #ifdef TARGET_OS_FAMILY_windows | |
| 92 # include "os_windows.inline.hpp" | |
| 93 #endif | |
| 3960 | 94 #ifdef TARGET_OS_FAMILY_bsd |
| 95 # include "os_bsd.inline.hpp" | |
| 96 #endif | |
| 0 | 97 |
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98 static jint CurrentVersion = JNI_VERSION_1_8; |
| 0 | 99 |
| 100 | |
| 101 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 102 // '-return' probe regardless of the return path is taken out of the function. | |
| 103 // Methods that have multiple return paths use this to avoid having to | |
| 104 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 105 // since those macros can cause an immedate uninstrumented return. | |
| 106 // | |
| 107 // In order to get the return value, a reference to the variable containing | |
| 108 // the return value must be passed to the contructor of the object, and | |
| 109 // the return value must be set before return (since the mark object has | |
| 110 // a reference to it). | |
| 111 // | |
| 112 // Example: | |
| 113 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 114 // JNI_ENTRY(int, SomeFunc, ...) | |
| 115 // int return_value = 0; | |
| 116 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 117 // foo(CHECK_0) | |
| 118 // return_value = 5; | |
| 119 // return return_value; | |
| 120 // JNI_END | |
| 4006 | 121 #ifndef USDT2 |
| 0 | 122 #define DT_RETURN_MARK_DECL(name, type) \ |
| 123 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 124 DTRACE_ONLY( \ | |
| 125 class DTraceReturnProbeMark_##name { \ | |
| 126 public: \ | |
| 127 const type& _ret_ref; \ | |
| 128 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 129 ~DTraceReturnProbeMark_##name() { \ | |
| 130 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 131 } \ | |
| 132 } \ | |
| 133 ) | |
| 134 // Void functions are simpler since there's no return value | |
| 135 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 136 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 137 DTRACE_ONLY( \ | |
| 138 class DTraceReturnProbeMark_##name { \ | |
| 139 public: \ | |
| 140 ~DTraceReturnProbeMark_##name() { \ | |
| 141 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 142 } \ | |
| 143 } \ | |
| 144 ) | |
| 145 | |
| 4006 | 146 #else /* USDT2 */ |
| 147 | |
| 148 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 149 DTRACE_ONLY( \ | |
| 150 class DTraceReturnProbeMark_##name { \ | |
| 151 public: \ | |
| 152 const type& _ret_ref; \ | |
| 153 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 154 ~DTraceReturnProbeMark_##name() { \ | |
| 155 probe; \ | |
| 156 } \ | |
| 157 } \ | |
| 158 ) | |
| 159 // Void functions are simpler since there's no return value | |
| 160 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 161 DTRACE_ONLY( \ | |
| 162 class DTraceReturnProbeMark_##name { \ | |
| 163 public: \ | |
| 164 ~DTraceReturnProbeMark_##name() { \ | |
| 165 probe; \ | |
| 166 } \ | |
| 167 } \ | |
| 168 ) | |
| 169 #endif /* USDT2 */ | |
| 0 | 170 |
| 171 // Place these macros in the function to mark the return. Non-void | |
| 172 // functions need the type and address of the return value. | |
| 173 #define DT_RETURN_MARK(name, type, ref) \ | |
| 174 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 175 #define DT_VOID_RETURN_MARK(name) \ | |
| 176 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 177 | |
| 178 | |
| 179 // Use these to select distinct code for floating-point vs. non-floating point | |
| 180 // situations. Used from within common macros where we need slightly | |
| 181 // different behavior for Float/Double | |
| 182 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 183 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 184 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 185 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 186 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 187 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 188 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 189 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 190 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 191 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 192 FP_SELECT_##TypeName(intcode, fpcode) | |
| 193 | |
| 194 #define COMMA , | |
| 195 | |
| 196 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 197 // (dtrace doesn't do FP yet) | |
| 4006 | 198 #ifndef USDT2 |
| 0 | 199 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 200 FP_SELECT(TypeName, \ | |
| 201 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 202 #else /* USDT2 */ |
| 203 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 204 FP_SELECT(TypeName, \ | |
| 205 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 206 #endif /* USDT2 */ | |
| 0 | 207 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 208 FP_SELECT(TypeName, \ | |
| 209 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 210 | |
| 211 | |
| 212 // out-of-line helpers for class jfieldIDWorkaround: | |
| 213 | |
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214 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 215 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 216 uintptr_t as_uint = (uintptr_t) id; | |
| 217 intptr_t offset = raw_instance_offset(id); | |
| 218 if (is_checked_jfieldID(id)) { | |
| 219 if (!klass_hash_ok(k, id)) { | |
| 220 return false; | |
| 221 } | |
| 222 } | |
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223 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 224 } else { |
| 225 JNIid* result = (JNIid*) id; | |
| 226 #ifdef ASSERT | |
| 227 return result != NULL && result->is_static_field_id(); | |
| 228 #else | |
| 229 return result != NULL; | |
| 230 #endif | |
| 231 } | |
| 232 } | |
| 233 | |
| 234 | |
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235 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 236 if (offset <= small_offset_mask) { |
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237 Klass* field_klass = k; |
| 6983 | 238 Klass* super_klass = field_klass->super(); |
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239 // With compressed oops the most super class with nonstatic fields would |
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240 // be the owner of fields embedded in the header. |
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241 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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242 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 243 field_klass = super_klass; // super contains the field also |
| 6983 | 244 super_klass = field_klass->super(); |
| 0 | 245 } |
| 246 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 247 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 248 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 249 } else { | |
| 250 #if 0 | |
| 251 #ifndef PRODUCT | |
| 252 { | |
| 253 ResourceMark rm; | |
| 6983 | 254 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 255 } |
| 256 #endif | |
| 257 #endif | |
| 258 return 0; | |
| 259 } | |
| 260 } | |
| 261 | |
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262 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 263 uintptr_t as_uint = (uintptr_t) id; |
| 264 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 265 do { | |
| 266 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 267 // Could use a non-blocking query for identity_hash here... | |
| 268 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 269 return true; | |
| 6983 | 270 k = k->super(); |
| 0 | 271 } while (k != NULL); |
| 272 return false; | |
| 273 } | |
| 274 | |
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275 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 276 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 277 uintptr_t as_uint = (uintptr_t) id; | |
| 278 intptr_t offset = raw_instance_offset(id); | |
| 279 if (VerifyJNIFields) { | |
| 280 if (is_checked_jfieldID(id)) { | |
| 281 guarantee(klass_hash_ok(k, id), | |
| 282 "Bug in native code: jfieldID class must match object"); | |
| 283 } else { | |
| 284 #if 0 | |
| 285 #ifndef PRODUCT | |
| 286 if (Verbose) { | |
| 287 ResourceMark rm; | |
| 6983 | 288 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 289 } |
| 290 #endif | |
| 291 #endif | |
| 292 } | |
| 293 } | |
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294 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 295 "Bug in native code: jfieldID offset must address interior of object"); |
| 296 } | |
| 297 | |
| 298 // Pick a reasonable higher bound for local capacity requested | |
| 299 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 300 // high because a test (or very unusual application) may try to allocate | |
| 301 // that many handles and run out of swap space. An implementation is | |
| 302 // permitted to allocate more handles than the ensured capacity, so this | |
| 303 // value is set high enough to prevent compatibility problems. | |
| 304 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 305 | |
| 306 | |
| 307 // Wrapper to trace JNI functions | |
| 308 | |
| 309 #ifdef ASSERT | |
| 310 Histogram* JNIHistogram; | |
| 311 static volatile jint JNIHistogram_lock = 0; | |
| 312 | |
| 313 class JNITraceWrapper : public StackObj { | |
| 314 public: | |
| 315 JNITraceWrapper(const char* format, ...) { | |
| 316 if (TraceJNICalls) { | |
| 317 va_list ap; | |
| 318 va_start(ap, format); | |
| 319 tty->print("JNI "); | |
| 320 tty->vprint_cr(format, ap); | |
| 321 va_end(ap); | |
| 322 } | |
| 323 } | |
| 324 }; | |
| 325 | |
| 326 class JNIHistogramElement : public HistogramElement { | |
| 327 public: | |
| 328 JNIHistogramElement(const char* name); | |
| 329 }; | |
| 330 | |
| 331 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 332 _name = elementName; | |
| 333 uintx count = 0; | |
| 334 | |
| 335 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 336 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 337 count +=1; | |
| 338 if ( (WarnOnStalledSpinLock > 0) | |
| 339 && (count % WarnOnStalledSpinLock == 0)) { | |
| 340 warning("JNIHistogram_lock seems to be stalled"); | |
| 341 } | |
| 342 } | |
| 343 } | |
| 344 | |
| 345 | |
| 346 if(JNIHistogram == NULL) | |
| 347 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 348 | |
| 349 JNIHistogram->add_element(this); | |
| 350 Atomic::dec(&JNIHistogram_lock); | |
| 351 } | |
| 352 | |
| 353 #define JNICountWrapper(arg) \ | |
| 354 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 355 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 356 if (e != NULL) e->increment_count() | |
| 357 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 358 #else | |
| 359 #define JNIWrapper(arg) | |
| 360 #endif | |
| 361 | |
| 362 | |
| 363 // Implementation of JNI entries | |
| 364 | |
| 4006 | 365 #ifndef USDT2 |
| 0 | 366 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 367 #else /* USDT2 */ |
| 368 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 369 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 370 #endif /* USDT2 */ | |
| 0 | 371 |
| 372 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 373 const jbyte *buf, jsize bufLen)) | |
| 374 JNIWrapper("DefineClass"); | |
| 375 | |
| 4006 | 376 #ifndef USDT2 |
| 0 | 377 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 378 env, name, loaderRef, buf, bufLen); | |
| 4006 | 379 #else /* USDT2 */ |
| 380 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 381 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 382 #endif /* USDT2 */ | |
| 0 | 383 jclass cls = NULL; |
| 384 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 385 | |
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386 TempNewSymbol class_name = NULL; |
| 0 | 387 // Since exceptions can be thrown, class initialization can take place |
| 388 // if name is NULL no check for class name in .class stream has to be made. | |
| 389 if (name != NULL) { | |
| 390 const int str_len = (int)strlen(name); | |
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391 if (str_len > Symbol::max_length()) { |
| 0 | 392 // It's impossible to create this class; the name cannot fit |
| 393 // into the constant pool. | |
| 394 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 395 } | |
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396 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 397 } |
| 398 ResourceMark rm(THREAD); | |
| 399 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 400 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 401 | |
| 402 if (UsePerfData && !class_loader.is_null()) { | |
| 403 // check whether the current caller thread holds the lock or not. | |
| 404 // If not, increment the corresponding counter | |
| 405 if (ObjectSynchronizer:: | |
| 406 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 407 ObjectSynchronizer::owner_self) { | |
| 408 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 409 } | |
| 410 } | |
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411 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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412 Handle(), &st, true, |
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413 CHECK_NULL); |
| 0 | 414 |
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415 if (TraceClassResolution && k != NULL) { |
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416 trace_class_resolution(k); |
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417 } |
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418 |
| 0 | 419 cls = (jclass)JNIHandles::make_local( |
| 6983 | 420 env, k->java_mirror()); |
| 0 | 421 return cls; |
| 422 JNI_END | |
| 423 | |
| 424 | |
| 425 | |
| 426 static bool first_time_FindClass = true; | |
| 427 | |
| 4006 | 428 #ifndef USDT2 |
| 0 | 429 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 430 #else /* USDT2 */ |
| 431 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 432 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 433 #endif /* USDT2 */ | |
| 0 | 434 |
| 435 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 436 JNIWrapper("FindClass"); | |
| 4006 | 437 #ifndef USDT2 |
| 0 | 438 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 439 #else /* USDT2 */ |
| 440 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 441 env, (char *)name); | |
| 442 #endif /* USDT2 */ | |
| 0 | 443 |
| 444 jclass result = NULL; | |
| 445 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 446 | |
| 447 // Remember if we are the first invocation of jni_FindClass | |
| 448 bool first_time = first_time_FindClass; | |
| 449 first_time_FindClass = false; | |
| 450 | |
| 451 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 452 // name we can fit in the constant pool. | |
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453 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 454 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 455 } | |
| 456 | |
| 457 //%note jni_3 | |
| 458 Handle loader; | |
| 459 Handle protection_domain; | |
| 460 // Find calling class | |
| 461 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 462 if (k.not_null()) { | |
| 463 loader = Handle(THREAD, k->class_loader()); | |
| 464 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 465 // in the correct class context. | |
| 466 if (loader.is_null() && | |
| 467 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 468 JavaValue result(T_OBJECT); | |
| 469 JavaCalls::call_static(&result, k, | |
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470 vmSymbols::getFromClass_name(), |
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471 vmSymbols::void_class_signature(), |
| 0 | 472 thread); |
| 473 if (HAS_PENDING_EXCEPTION) { | |
| 474 Handle ex(thread, thread->pending_exception()); | |
| 475 CLEAR_PENDING_EXCEPTION; | |
| 476 THROW_HANDLE_0(ex); | |
| 477 } | |
| 478 oop mirror = (oop) result.get_jobject(); | |
| 479 loader = Handle(THREAD, | |
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480 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 481 protection_domain = Handle(THREAD, |
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482 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 483 } |
| 484 } else { | |
| 485 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 486 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 487 } | |
| 488 | |
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489 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 490 result = find_class_from_class_loader(env, sym, true, loader, |
| 491 protection_domain, true, thread); | |
| 492 | |
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493 if (TraceClassResolution && result != NULL) { |
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494 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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495 } |
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496 |
| 0 | 497 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 498 // rather than just allowing invocation counter to overflow and decay. | |
| 499 // Controlled by flag DelayCompilationDuringStartup. | |
| 500 if (first_time && !CompileTheWorld) | |
| 501 CompilationPolicy::completed_vm_startup(); | |
| 502 | |
| 503 return result; | |
| 504 JNI_END | |
| 505 | |
| 4006 | 506 #ifndef USDT2 |
| 0 | 507 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 508 #else /* USDT2 */ |
| 509 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 510 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 511 #endif /* USDT2 */ | |
| 0 | 512 |
| 513 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 514 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 515 #ifndef USDT2 |
| 0 | 516 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 517 #else /* USDT2 */ |
| 518 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 519 env, method); | |
| 520 #endif /* USDT2 */ | |
| 0 | 521 jmethodID ret = NULL; |
| 522 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 523 | |
| 524 // method is a handle to a java.lang.reflect.Method object | |
| 525 oop reflected = JNIHandles::resolve_non_null(method); | |
| 526 oop mirror = NULL; | |
| 527 int slot = 0; | |
| 528 | |
| 1142 | 529 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 530 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 531 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 532 } else { | |
| 1142 | 533 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 534 mirror = java_lang_reflect_Method::clazz(reflected); |
| 535 slot = java_lang_reflect_Method::slot(reflected); | |
| 536 } | |
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537 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 538 |
| 539 KlassHandle k1(THREAD, k); | |
| 540 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 541 k1()->initialize(CHECK_NULL); |
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542 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 543 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 544 return ret; | |
| 545 JNI_END | |
| 546 | |
| 4006 | 547 #ifndef USDT2 |
| 0 | 548 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 549 #else /* USDT2 */ |
| 550 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 551 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 552 #endif /* USDT2 */ | |
| 0 | 553 |
| 554 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 555 JNIWrapper("FromReflectedField"); | |
| 4006 | 556 #ifndef USDT2 |
| 0 | 557 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 558 #else /* USDT2 */ |
| 559 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 560 env, field); | |
| 561 #endif /* USDT2 */ | |
| 0 | 562 jfieldID ret = NULL; |
| 563 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 564 | |
| 565 // field is a handle to a java.lang.reflect.Field object | |
| 566 oop reflected = JNIHandles::resolve_non_null(field); | |
| 567 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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568 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 569 int slot = java_lang_reflect_Field::slot(reflected); |
| 570 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 571 | |
| 572 KlassHandle k1(THREAD, k); | |
| 573 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 574 k1()->initialize(CHECK_NULL); |
| 0 | 575 |
| 576 // First check if this is a static field | |
| 577 if (modifiers & JVM_ACC_STATIC) { | |
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578 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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579 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 580 assert(id != NULL, "corrupt Field object"); |
| 581 debug_only(id->set_is_static_field_id();) | |
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582 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 583 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 584 return ret; | |
| 585 } | |
| 586 | |
| 587 // The slot is the index of the field description in the field-array | |
| 588 // The jfieldID is the offset of the field within the object | |
| 589 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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590 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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591 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 592 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 593 return ret; | |
| 594 JNI_END | |
| 595 | |
| 4006 | 596 #ifndef USDT2 |
| 0 | 597 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 598 #else /* USDT2 */ |
| 599 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 600 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 601 #endif /* USDT2 */ | |
| 0 | 602 |
| 603 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 604 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 605 #ifndef USDT2 |
| 0 | 606 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 607 #else /* USDT2 */ |
| 608 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 609 env, cls, (uintptr_t) method_id, isStatic); | |
| 610 #endif /* USDT2 */ | |
| 0 | 611 jobject ret = NULL; |
| 612 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 613 | |
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614 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 615 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 616 oop reflection_method; | |
| 617 if (m->is_initializer()) { | |
| 618 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 619 } else { | |
| 620 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 621 } | |
| 622 ret = JNIHandles::make_local(env, reflection_method); | |
| 623 return ret; | |
| 624 JNI_END | |
| 625 | |
| 4006 | 626 #ifndef USDT2 |
| 0 | 627 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 628 #else /* USDT2 */ |
| 629 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 630 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 631 #endif /* USDT2 */ | |
| 0 | 632 |
| 633 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 634 JNIWrapper("GetSuperclass"); | |
| 4006 | 635 #ifndef USDT2 |
| 0 | 636 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 637 #else /* USDT2 */ |
| 638 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 639 env, sub); | |
| 640 #endif /* USDT2 */ | |
| 0 | 641 jclass obj = NULL; |
| 642 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 643 | |
| 644 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 645 // primitive classes return NULL | |
| 646 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 647 | |
| 648 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 649 // arrays return Object | |
| 650 // interfaces return NULL | |
| 651 // proper classes return Klass::super() | |
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652 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 653 if (k->is_interface()) return NULL; |
| 0 | 654 |
| 655 // return mirror for superclass | |
| 6983 | 656 Klass* super = k->java_super(); |
| 0 | 657 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 658 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 659 ? SystemDictionary::Object_klass() |
| 6983 | 660 : k->super() ) ); |
| 0 | 661 assert(super == super2, |
| 662 "java_super computation depends on interface, array, other super"); | |
| 6983 | 663 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 664 return obj; |
| 665 JNI_END | |
| 666 | |
| 667 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 668 JNIWrapper("IsSubclassOf"); | |
| 4006 | 669 #ifndef USDT2 |
| 0 | 670 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 671 #else /* USDT2 */ |
| 672 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 673 env, sub, super); | |
| 674 #endif /* USDT2 */ | |
| 0 | 675 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 676 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 677 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 678 java_lang_Class::is_primitive(super_mirror)) { | |
| 679 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 680 #ifndef USDT2 |
| 0 | 681 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 682 #else /* USDT2 */ |
| 683 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 684 ret); | |
| 685 #endif /* USDT2 */ | |
| 0 | 686 return ret; |
| 687 } | |
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688 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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689 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 690 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 691 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 692 JNI_TRUE : JNI_FALSE; |
| 4006 | 693 #ifndef USDT2 |
| 0 | 694 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 695 #else /* USDT2 */ |
| 696 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 697 ret); | |
| 698 #endif /* USDT2 */ | |
| 0 | 699 return ret; |
| 700 JNI_END | |
| 701 | |
| 4006 | 702 #ifndef USDT2 |
| 0 | 703 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 704 #else /* USDT2 */ |
| 705 DT_RETURN_MARK_DECL(Throw, jint | |
| 706 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 707 #endif /* USDT2 */ | |
| 0 | 708 |
| 709 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 710 JNIWrapper("Throw"); | |
| 4006 | 711 #ifndef USDT2 |
| 0 | 712 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 713 #else /* USDT2 */ |
| 714 HOTSPOT_JNI_THROW_ENTRY( | |
| 715 env, obj); | |
| 716 #endif /* USDT2 */ | |
| 0 | 717 jint ret = JNI_OK; |
| 718 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 719 | |
| 720 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 721 ShouldNotReachHere(); | |
| 722 JNI_END | |
| 723 | |
| 4006 | 724 #ifndef USDT2 |
| 0 | 725 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 726 #else /* USDT2 */ |
| 727 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 728 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 729 #endif /* USDT2 */ | |
| 0 | 730 |
| 731 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 732 JNIWrapper("ThrowNew"); | |
| 4006 | 733 #ifndef USDT2 |
| 0 | 734 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 735 #else /* USDT2 */ |
| 736 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 737 env, clazz, (char *) message); | |
| 738 #endif /* USDT2 */ | |
| 0 | 739 jint ret = JNI_OK; |
| 740 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 741 | |
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742 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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743 Symbol* name = k->name(); |
| 0 | 744 Handle class_loader (THREAD, k->class_loader()); |
| 745 Handle protection_domain (THREAD, k->protection_domain()); | |
| 746 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 747 ShouldNotReachHere(); | |
| 748 JNI_END | |
| 749 | |
| 750 | |
| 751 // JNI functions only transform a pending async exception to a synchronous | |
| 752 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 753 // delivering an async exception in other places won't change the native | |
| 754 // code's control flow and would be harmful when native code further calls | |
| 755 // JNI functions with a pending exception. Async exception is also checked | |
| 756 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 757 // false but deliver the async exception at the very end during | |
| 758 // state transition. | |
| 759 | |
| 760 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 761 assert(thread == Thread::current(), "must be itself"); | |
| 762 thread->check_and_handle_async_exceptions(); | |
| 763 } | |
| 764 | |
| 765 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 766 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 767 #ifndef USDT2 |
| 0 | 768 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 769 #else /* USDT2 */ |
| 770 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 771 env); | |
| 772 #endif /* USDT2 */ | |
| 0 | 773 jni_check_async_exceptions(thread); |
| 774 oop exception = thread->pending_exception(); | |
| 775 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 776 #ifndef USDT2 |
| 0 | 777 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 778 #else /* USDT2 */ |
| 779 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 780 ret); | |
| 781 #endif /* USDT2 */ | |
| 0 | 782 return ret; |
| 783 JNI_END | |
| 784 | |
| 785 | |
| 786 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 787 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 788 #ifndef USDT2 |
| 0 | 789 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 790 #else /* USDT2 */ |
| 791 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 792 env); | |
| 793 #endif /* USDT2 */ | |
| 0 | 794 if (thread->has_pending_exception()) { |
| 795 Handle ex(thread, thread->pending_exception()); | |
| 796 thread->clear_pending_exception(); | |
| 1142 | 797 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 798 // Don't print anything if we are being killed. |
| 799 } else { | |
| 800 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 801 if (thread != NULL && thread->threadObj() != NULL) { | |
| 802 ResourceMark rm(THREAD); | |
| 803 jio_fprintf(defaultStream::error_stream(), | |
| 804 "in thread \"%s\" ", thread->get_thread_name()); | |
| 805 } | |
| 1142 | 806 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 807 JavaValue result(T_VOID); |
| 808 JavaCalls::call_virtual(&result, | |
| 809 ex, | |
| 810 KlassHandle(THREAD, | |
| 1142 | 811 SystemDictionary::Throwable_klass()), |
|
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812 vmSymbols::printStackTrace_name(), |
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813 vmSymbols::void_method_signature(), |
| 0 | 814 THREAD); |
| 815 // If an exception is thrown in the call it gets thrown away. Not much | |
| 816 // we can do with it. The native code that calls this, does not check | |
| 817 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 818 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 819 // is expected. | |
| 820 CLEAR_PENDING_EXCEPTION; | |
| 821 } else { | |
| 822 ResourceMark rm(THREAD); | |
| 823 jio_fprintf(defaultStream::error_stream(), | |
| 824 ". Uncaught exception of type %s.", | |
| 6983 | 825 ex->klass()->external_name()); |
| 0 | 826 } |
| 827 } | |
| 828 } | |
| 4006 | 829 #ifndef USDT2 |
| 0 | 830 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 831 #else /* USDT2 */ |
| 832 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 833 ); | |
| 834 #endif /* USDT2 */ | |
| 0 | 835 JNI_END |
| 836 | |
| 837 | |
| 838 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 839 JNIWrapper("ExceptionClear"); | |
| 4006 | 840 #ifndef USDT2 |
| 0 | 841 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 842 #else /* USDT2 */ |
| 843 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 844 env); | |
| 845 #endif /* USDT2 */ | |
| 0 | 846 |
| 847 // The jni code might be using this API to clear java thrown exception. | |
| 848 // So just mark jvmti thread exception state as exception caught. | |
| 849 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 850 if (state != NULL && state->is_exception_detected()) { | |
| 851 state->set_exception_caught(); | |
| 852 } | |
| 853 thread->clear_pending_exception(); | |
| 4006 | 854 #ifndef USDT2 |
| 0 | 855 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 856 #else /* USDT2 */ |
| 857 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 858 ); | |
| 859 #endif /* USDT2 */ | |
| 0 | 860 JNI_END |
| 861 | |
| 862 | |
| 863 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 864 JNIWrapper("FatalError"); | |
| 4006 | 865 #ifndef USDT2 |
| 0 | 866 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 867 #else /* USDT2 */ |
| 868 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 869 env, (char *) msg); | |
| 870 #endif /* USDT2 */ | |
| 0 | 871 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 872 thread->print_stack(); | |
|
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873 os::abort(); // Dump core and abort |
| 0 | 874 JNI_END |
| 875 | |
| 876 | |
| 877 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 878 JNIWrapper("PushLocalFrame"); | |
| 4006 | 879 #ifndef USDT2 |
| 0 | 880 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 881 #else /* USDT2 */ |
| 882 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 883 env, capacity); | |
| 884 #endif /* USDT2 */ | |
| 0 | 885 //%note jni_11 |
| 886 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 4006 | 887 #ifndef USDT2 |
| 0 | 888 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 889 #else /* USDT2 */ |
| 890 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 891 (uint32_t)JNI_ERR); | |
| 892 #endif /* USDT2 */ | |
| 0 | 893 return JNI_ERR; |
| 894 } | |
| 895 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 896 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 897 assert(new_handles != NULL, "should not be NULL"); | |
| 898 new_handles->set_pop_frame_link(old_handles); | |
| 899 thread->set_active_handles(new_handles); | |
| 900 jint ret = JNI_OK; | |
| 4006 | 901 #ifndef USDT2 |
| 0 | 902 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 903 #else /* USDT2 */ |
| 904 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 905 ret); | |
| 906 #endif /* USDT2 */ | |
| 0 | 907 return ret; |
| 908 JNI_END | |
| 909 | |
| 910 | |
| 911 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 912 JNIWrapper("PopLocalFrame"); | |
| 4006 | 913 #ifndef USDT2 |
| 0 | 914 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 915 #else /* USDT2 */ |
| 916 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 917 env, result); | |
| 918 #endif /* USDT2 */ | |
| 0 | 919 //%note jni_11 |
| 920 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 921 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 922 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 923 if (new_handles != NULL) { | |
| 924 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 925 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 926 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 927 // the release_block call will release the blocks. | |
| 928 thread->set_active_handles(new_handles); | |
| 929 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 930 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 931 result = JNIHandles::make_local(thread, result_handle()); | |
| 932 } | |
| 4006 | 933 #ifndef USDT2 |
| 0 | 934 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 935 #else /* USDT2 */ |
| 936 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 937 result); | |
| 938 #endif /* USDT2 */ | |
| 0 | 939 return result; |
| 940 JNI_END | |
| 941 | |
| 942 | |
| 943 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 944 JNIWrapper("NewGlobalRef"); | |
| 4006 | 945 #ifndef USDT2 |
| 0 | 946 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 947 #else /* USDT2 */ |
| 948 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 949 env, ref); | |
| 950 #endif /* USDT2 */ | |
| 0 | 951 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 952 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 953 #ifndef USDT2 |
| 0 | 954 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 955 #else /* USDT2 */ |
| 956 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 957 ret); | |
| 958 #endif /* USDT2 */ | |
| 0 | 959 return ret; |
| 960 JNI_END | |
| 961 | |
| 962 // Must be JNI_ENTRY (with HandleMark) | |
| 963 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 964 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 965 #ifndef USDT2 |
| 0 | 966 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 967 #else /* USDT2 */ |
| 968 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 969 env, ref); | |
| 970 #endif /* USDT2 */ | |
| 0 | 971 JNIHandles::destroy_global(ref); |
| 4006 | 972 #ifndef USDT2 |
| 0 | 973 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 974 #else /* USDT2 */ |
| 975 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 976 ); | |
| 977 #endif /* USDT2 */ | |
| 0 | 978 JNI_END |
| 979 | |
| 980 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 981 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 982 #ifndef USDT2 |
| 0 | 983 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 984 #else /* USDT2 */ |
| 985 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 986 env, obj); | |
| 987 #endif /* USDT2 */ | |
| 0 | 988 JNIHandles::destroy_local(obj); |
| 4006 | 989 #ifndef USDT2 |
| 0 | 990 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 991 #else /* USDT2 */ |
| 992 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 993 ); | |
| 994 #endif /* USDT2 */ | |
| 0 | 995 JNI_END |
| 996 | |
| 997 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 998 JNIWrapper("IsSameObject"); | |
| 4006 | 999 #ifndef USDT2 |
| 0 | 1000 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 1001 #else /* USDT2 */ |
| 1002 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 1003 env, r1, r2); | |
| 1004 #endif /* USDT2 */ | |
| 0 | 1005 oop a = JNIHandles::resolve(r1); |
| 1006 oop b = JNIHandles::resolve(r2); | |
| 1007 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1008 #ifndef USDT2 |
| 0 | 1009 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1010 #else /* USDT2 */ |
| 1011 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1012 ret); | |
| 1013 #endif /* USDT2 */ | |
| 0 | 1014 return ret; |
| 1015 JNI_END | |
| 1016 | |
| 1017 | |
| 1018 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1019 JNIWrapper("NewLocalRef"); | |
| 4006 | 1020 #ifndef USDT2 |
| 0 | 1021 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1022 #else /* USDT2 */ |
| 1023 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1024 env, ref); | |
| 1025 #endif /* USDT2 */ | |
| 0 | 1026 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1027 #ifndef USDT2 |
| 0 | 1028 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1029 #else /* USDT2 */ |
| 1030 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1031 ret); | |
| 1032 #endif /* USDT2 */ | |
| 0 | 1033 return ret; |
| 1034 JNI_END | |
| 1035 | |
| 1036 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1037 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1038 #ifndef USDT2 |
| 0 | 1039 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1040 #else /* USDT2 */ |
| 1041 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1042 env, capacity); | |
| 1043 #endif /* USDT2 */ | |
| 0 | 1044 jint ret; |
| 1045 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1046 ret = JNI_OK; | |
| 1047 } else { | |
| 1048 ret = JNI_ERR; | |
| 1049 } | |
| 4006 | 1050 #ifndef USDT2 |
| 0 | 1051 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1052 #else /* USDT2 */ |
| 1053 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1054 ret); | |
| 1055 #endif /* USDT2 */ | |
| 0 | 1056 return ret; |
| 1057 JNI_END | |
| 1058 | |
| 1059 // Return the Handle Type | |
| 1060 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1061 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1062 #ifndef USDT2 |
| 0 | 1063 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1064 #else /* USDT2 */ |
| 1065 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1066 env, obj); | |
| 1067 #endif /* USDT2 */ | |
| 0 | 1068 jobjectRefType ret; |
| 1069 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1070 JNIHandles::is_frame_handle(thread, obj)) | |
| 1071 ret = JNILocalRefType; | |
| 1072 else if (JNIHandles::is_global_handle(obj)) | |
| 1073 ret = JNIGlobalRefType; | |
| 1074 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1075 ret = JNIWeakGlobalRefType; | |
| 1076 else | |
| 1077 ret = JNIInvalidRefType; | |
| 4006 | 1078 #ifndef USDT2 |
| 0 | 1079 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1080 #else /* USDT2 */ |
| 1081 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1082 (void *) ret); | |
| 1083 #endif /* USDT2 */ | |
| 0 | 1084 return ret; |
| 1085 JNI_END | |
| 1086 | |
| 1087 | |
| 1088 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1089 protected: | |
| 1090 JavaCallArguments* _arguments; | |
| 1091 | |
| 1092 virtual void get_bool () = 0; | |
| 1093 virtual void get_char () = 0; | |
| 1094 virtual void get_short () = 0; | |
| 1095 virtual void get_byte () = 0; | |
| 1096 virtual void get_int () = 0; | |
| 1097 virtual void get_long () = 0; | |
| 1098 virtual void get_float () = 0; | |
| 1099 virtual void get_double () = 0; | |
| 1100 virtual void get_object () = 0; | |
| 1101 | |
|
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1102 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1103 this->_return_type = T_ILLEGAL; |
| 1104 _arguments = NULL; | |
| 1105 } | |
| 1106 | |
| 1107 public: | |
| 1108 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1109 | |
| 1110 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1111 | |
| 1112 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1113 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1114 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1115 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1116 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1117 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1118 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1119 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1120 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1121 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1122 inline void do_void() { } | |
| 1123 | |
| 1124 JavaCallArguments* arguments() { return _arguments; } | |
| 1125 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1126 }; | |
| 1127 | |
| 1128 | |
| 1129 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1130 protected: | |
| 1131 va_list _ap; | |
| 1132 | |
| 1133 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1134 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1135 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1136 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1137 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1138 | |
| 1139 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1140 | |
| 1141 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1142 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1143 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1144 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1145 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1146 | |
| 1147 inline void set_ap(va_list rap) { | |
| 1148 #ifdef va_copy | |
| 1149 va_copy(_ap, rap); | |
| 1150 #elif defined (__va_copy) | |
| 1151 __va_copy(_ap, rap); | |
| 1152 #else | |
| 1153 _ap = rap; | |
| 1154 #endif | |
| 1155 } | |
| 1156 | |
| 1157 public: | |
|
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1158 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1159 : JNI_ArgumentPusher(signature) { |
| 0 | 1160 set_ap(rap); |
| 1161 } | |
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1162 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1163 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1164 set_ap(rap); |
| 1165 } | |
| 1166 | |
| 1167 // Optimized path if we have the bitvector form of signature | |
| 1168 void iterate( uint64_t fingerprint ) { | |
| 1169 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1170 else { | |
| 1171 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1172 result_feature_mask); | |
| 1173 | |
| 1174 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1175 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1176 while ( 1 ) { | |
| 1177 switch ( fingerprint & parameter_feature_mask ) { | |
| 1178 case bool_parm: | |
| 1179 case char_parm: | |
| 1180 case short_parm: | |
| 1181 case byte_parm: | |
| 1182 case int_parm: | |
| 1183 get_int(); | |
| 1184 break; | |
| 1185 case obj_parm: | |
| 1186 get_object(); | |
| 1187 break; | |
| 1188 case long_parm: | |
| 1189 get_long(); | |
| 1190 break; | |
| 1191 case float_parm: | |
| 1192 get_float(); | |
| 1193 break; | |
| 1194 case double_parm: | |
| 1195 get_double(); | |
| 1196 break; | |
| 1197 case done_parm: | |
| 1198 return; | |
| 1199 break; | |
| 1200 default: | |
| 1201 ShouldNotReachHere(); | |
| 1202 break; | |
| 1203 } | |
| 1204 fingerprint >>= parameter_feature_size; | |
| 1205 } | |
| 1206 } | |
| 1207 } | |
| 1208 }; | |
| 1209 | |
| 1210 | |
| 1211 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1212 protected: | |
| 1213 const jvalue *_ap; | |
| 1214 | |
| 1215 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1216 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1217 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1218 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1219 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1220 | |
| 1221 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1222 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1223 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1224 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1225 | |
| 1226 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1227 | |
| 1228 public: | |
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1229 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1230 : JNI_ArgumentPusher(signature) { |
| 0 | 1231 set_ap(rap); |
| 1232 } | |
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1233 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1234 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1235 set_ap(rap); |
| 1236 } | |
| 1237 | |
| 1238 // Optimized path if we have the bitvector form of signature | |
| 1239 void iterate( uint64_t fingerprint ) { | |
| 1240 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1241 else { | |
| 1242 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1243 result_feature_mask); | |
| 1244 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1245 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1246 while ( 1 ) { | |
| 1247 switch ( fingerprint & parameter_feature_mask ) { | |
| 1248 case bool_parm: | |
| 1249 get_bool(); | |
| 1250 break; | |
| 1251 case char_parm: | |
| 1252 get_char(); | |
| 1253 break; | |
| 1254 case short_parm: | |
| 1255 get_short(); | |
| 1256 break; | |
| 1257 case byte_parm: | |
| 1258 get_byte(); | |
| 1259 break; | |
| 1260 case int_parm: | |
| 1261 get_int(); | |
| 1262 break; | |
| 1263 case obj_parm: | |
| 1264 get_object(); | |
| 1265 break; | |
| 1266 case long_parm: | |
| 1267 get_long(); | |
| 1268 break; | |
| 1269 case float_parm: | |
| 1270 get_float(); | |
| 1271 break; | |
| 1272 case double_parm: | |
| 1273 get_double(); | |
| 1274 break; | |
| 1275 case done_parm: | |
| 1276 return; | |
| 1277 break; | |
| 1278 default: | |
| 1279 ShouldNotReachHere(); | |
| 1280 break; | |
| 1281 } | |
| 1282 fingerprint >>= parameter_feature_size; | |
| 1283 } | |
| 1284 } | |
| 1285 } | |
| 1286 }; | |
| 1287 | |
| 1288 | |
| 1289 enum JNICallType { | |
| 1290 JNI_STATIC, | |
| 1291 JNI_VIRTUAL, | |
| 1292 JNI_NONVIRTUAL | |
| 1293 }; | |
| 1294 | |
| 1295 | |
| 1296 | |
| 1297 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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1298 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1299 |
| 1300 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1301 // the jni parser | |
| 1302 ResourceMark rm(THREAD); | |
| 1303 int number_of_parameters = method->size_of_parameters(); | |
| 1304 JavaCallArguments java_args(number_of_parameters); | |
| 1305 args->set_java_argument_object(&java_args); | |
| 1306 | |
| 1307 assert(method->is_static(), "method should be static"); | |
| 1308 | |
| 1309 // Fill out JavaCallArguments object | |
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1310 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1311 // Initialize result type |
| 1312 result->set_type(args->get_ret_type()); | |
| 1313 | |
| 1314 // Invoke the method. Result is returned as oop. | |
| 1315 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1316 | |
| 1317 // Convert result | |
| 1318 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1319 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1320 } | |
| 1321 } | |
| 1322 | |
| 1323 | |
| 1324 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1325 oop recv = JNIHandles::resolve(receiver); | |
| 1326 if (recv == NULL) { | |
| 1327 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1328 } | |
| 1329 Handle h_recv(THREAD, recv); | |
| 1330 | |
| 1331 int number_of_parameters; | |
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1332 Method* selected_method; |
| 0 | 1333 { |
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1334 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1335 number_of_parameters = m->size_of_parameters(); |
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1336 Klass* holder = m->method_holder(); |
| 6983 | 1337 if (!(holder)->is_interface()) { |
| 0 | 1338 // non-interface call -- for that little speed boost, don't handlize |
| 1339 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1340 if (call_type == JNI_VIRTUAL) { | |
| 1341 // jni_GetMethodID makes sure class is linked and initialized | |
| 1342 // so m should have a valid vtable index. | |
| 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 | |
| 1362 int itbl_index = m->cached_itable_index(); | |
| 1363 if (itbl_index == -1) { | |
| 1364 itbl_index = klassItable::compute_itable_index(m); | |
| 1365 m->set_cached_itable_index(itbl_index); | |
| 1366 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
| 1367 } | |
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1368 Klass* k = h_recv->klass(); |
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1369 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1370 } |
| 1371 } | |
| 1372 | |
| 1373 methodHandle method(THREAD, selected_method); | |
| 1374 | |
| 1375 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1376 // the jni parser | |
| 1377 ResourceMark rm(THREAD); | |
| 1378 JavaCallArguments java_args(number_of_parameters); | |
| 1379 args->set_java_argument_object(&java_args); | |
| 1380 | |
| 1381 // handle arguments | |
| 1382 assert(!method->is_static(), "method should not be static"); | |
| 1383 args->push_receiver(h_recv); // Push jobject handle | |
| 1384 | |
| 1385 // Fill out JavaCallArguments object | |
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1386 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1387 // Initialize result type |
| 1388 result->set_type(args->get_ret_type()); | |
| 1389 | |
| 1390 // Invoke the method. Result is returned as oop. | |
| 1391 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1392 | |
| 1393 // Convert result | |
| 1394 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1395 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1396 } | |
| 1397 } | |
| 1398 | |
| 1399 | |
| 1400 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1401 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1402 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1403 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1404 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1405 return ih; |
| 1406 } | |
| 1407 | |
| 4006 | 1408 #ifndef USDT2 |
| 0 | 1409 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1410 #else /* USDT2 */ |
| 1411 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1412 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1413 #endif /* USDT2 */ | |
| 0 | 1414 |
| 1415 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1416 JNIWrapper("AllocObject"); | |
| 1417 | |
| 4006 | 1418 #ifndef USDT2 |
| 0 | 1419 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1420 #else /* USDT2 */ |
| 1421 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1422 env, clazz); | |
| 1423 #endif /* USDT2 */ | |
| 0 | 1424 jobject ret = NULL; |
| 1425 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1426 | |
| 1427 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1428 ret = JNIHandles::make_local(env, i); | |
| 1429 return ret; | |
| 1430 JNI_END | |
| 1431 | |
| 4006 | 1432 #ifndef USDT2 |
| 0 | 1433 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1434 #else /* USDT2 */ |
| 1435 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1436 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1437 #endif /* USDT2 */ | |
| 0 | 1438 |
| 1439 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1440 JNIWrapper("NewObjectA"); | |
| 4006 | 1441 #ifndef USDT2 |
| 0 | 1442 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1443 #else /* USDT2 */ |
| 1444 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1445 env, clazz, (uintptr_t) methodID); | |
| 1446 #endif /* USDT2 */ | |
| 0 | 1447 jobject obj = NULL; |
| 1448 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1449 | |
| 1450 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1451 obj = JNIHandles::make_local(env, i); | |
| 1452 JavaValue jvalue(T_VOID); | |
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1453 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1454 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1455 return obj; | |
| 1456 JNI_END | |
| 1457 | |
| 4006 | 1458 #ifndef USDT2 |
| 0 | 1459 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1460 #else /* USDT2 */ |
| 1461 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1462 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1463 #endif /* USDT2 */ | |
| 0 | 1464 |
| 1465 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1466 JNIWrapper("NewObjectV"); | |
| 4006 | 1467 #ifndef USDT2 |
| 0 | 1468 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1469 #else /* USDT2 */ |
| 1470 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1471 env, clazz, (uintptr_t) methodID); | |
| 1472 #endif /* USDT2 */ | |
| 0 | 1473 jobject obj = NULL; |
| 1474 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1475 | |
| 1476 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1477 obj = JNIHandles::make_local(env, i); | |
| 1478 JavaValue jvalue(T_VOID); | |
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1479 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1480 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1481 return obj; | |
| 1482 JNI_END | |
| 1483 | |
| 4006 | 1484 #ifndef USDT2 |
| 0 | 1485 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1486 #else /* USDT2 */ |
| 1487 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1488 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1489 #endif /* USDT2 */ | |
| 0 | 1490 |
| 1491 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1492 JNIWrapper("NewObject"); | |
| 4006 | 1493 #ifndef USDT2 |
| 0 | 1494 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1495 #else /* USDT2 */ |
| 1496 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1497 env, clazz, (uintptr_t) methodID); | |
| 1498 #endif /* USDT2 */ | |
| 0 | 1499 jobject obj = NULL; |
| 1500 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1501 | |
| 1502 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1503 obj = JNIHandles::make_local(env, i); | |
| 1504 va_list args; | |
| 1505 va_start(args, methodID); | |
| 1506 JavaValue jvalue(T_VOID); | |
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1507 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1508 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1509 va_end(args); | |
| 1510 return obj; | |
| 1511 JNI_END | |
| 1512 | |
| 1513 | |
| 1514 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1515 JNIWrapper("GetObjectClass"); | |
| 4006 | 1516 #ifndef USDT2 |
| 0 | 1517 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1518 #else /* USDT2 */ |
| 1519 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1520 env, obj); | |
| 1521 #endif /* USDT2 */ | |
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1522 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1523 jclass ret = |
| 6983 | 1524 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1525 #ifndef USDT2 |
| 0 | 1526 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1527 #else /* USDT2 */ |
| 1528 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1529 ret); | |
| 1530 #endif /* USDT2 */ | |
| 0 | 1531 return ret; |
| 1532 JNI_END | |
| 1533 | |
| 1534 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1535 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1536 #ifndef USDT2 |
| 0 | 1537 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1538 #else /* USDT2 */ |
| 1539 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1540 env, obj, clazz); | |
| 1541 #endif /* USDT2 */ | |
| 0 | 1542 jboolean ret = JNI_TRUE; |
| 1543 if (obj != NULL) { | |
| 1544 ret = JNI_FALSE; | |
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1545 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1546 JNIHandles::resolve_non_null(clazz)); |
| 1547 if (k != NULL) { | |
| 1548 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1549 } | |
| 1550 } | |
| 4006 | 1551 #ifndef USDT2 |
| 0 | 1552 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1553 #else /* USDT2 */ |
| 1554 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1555 ret); | |
| 1556 #endif /* USDT2 */ | |
| 0 | 1557 return ret; |
| 1558 JNI_END | |
| 1559 | |
| 1560 | |
| 1561 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1562 const char *sig, bool is_static, TRAPS) { | |
| 1563 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1564 // | |
| 1565 // The class should have been loaded (we have an instance of the class | |
| 1566 // passed in) so the method and signature should already be in the symbol | |
| 1567 // table. If they're not there, the method doesn't exist. | |
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1568 const char *name_to_probe = (name_str == NULL) |
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1569 ? vmSymbols::object_initializer_name()->as_C_string() |
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1570 : name_str; |
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1571 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1572 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1573 |
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1574 if (name == NULL || signature == NULL) { |
| 0 | 1575 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1576 } | |
| 1577 | |
| 1578 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1579 // primitive java.lang.Class | |
| 1580 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1581 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1582 } | |
| 1583 | |
| 1584 KlassHandle klass(THREAD, | |
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1585 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1586 |
| 1587 // Make sure class is linked and initialized before handing id's out to | |
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1588 // Method*s. |
| 6983 | 1589 klass()->initialize(CHECK_NULL); |
| 0 | 1590 |
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1591 Method* m; |
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1592 if (name == vmSymbols::object_initializer_name() || |
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1593 name == vmSymbols::class_initializer_name()) { |
| 0 | 1594 // Never search superclasses for constructors |
| 1595 if (klass->oop_is_instance()) { | |
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1596 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1597 } else { |
| 1598 m = NULL; | |
| 1599 } | |
| 1600 } else { | |
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1601 m = klass->lookup_method(name, signature); |
| 0 | 1602 // Look up interfaces |
| 1603 if (m == NULL && klass->oop_is_instance()) { | |
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1604 m = InstanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1605 signature); |
| 0 | 1606 } |
| 1607 } | |
| 1608 if (m == NULL || (m->is_static() != is_static)) { | |
| 1609 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1610 } | |
| 1611 return m->jmethod_id(); | |
| 1612 } | |
| 1613 | |
| 1614 | |
| 1615 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1616 const char *name, const char *sig)) | |
| 1617 JNIWrapper("GetMethodID"); | |
| 4006 | 1618 #ifndef USDT2 |
| 0 | 1619 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1620 #else /* USDT2 */ |
| 1621 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1622 env, clazz, (char *) name, (char *) sig); | |
| 1623 #endif /* USDT2 */ | |
| 0 | 1624 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1625 #ifndef USDT2 |
| 0 | 1626 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1627 #else /* USDT2 */ |
| 1628 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1629 (uintptr_t) ret); | |
| 1630 #endif /* USDT2 */ | |
| 0 | 1631 return ret; |
| 1632 JNI_END | |
| 1633 | |
| 1634 | |
| 1635 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1636 const char *name, const char *sig)) | |
| 1637 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1638 #ifndef USDT2 |
| 0 | 1639 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1640 #else /* USDT2 */ |
| 1641 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1642 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1643 #endif /* USDT2 */ | |
| 0 | 1644 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1645 #ifndef USDT2 |
| 0 | 1646 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1647 #else /* USDT2 */ |
| 1648 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1649 (uintptr_t) ret); | |
| 1650 #endif /* USDT2 */ | |
| 0 | 1651 return ret; |
| 1652 JNI_END | |
| 1653 | |
| 1654 | |
| 1655 | |
| 1656 // | |
| 1657 // Calling Methods | |
| 1658 // | |
| 1659 | |
| 4006 | 1660 #ifndef USDT2 |
| 0 | 1661 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1662 \ | |
| 1663 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1664 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1665 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1666 \ | |
| 1667 JNI_ENTRY(ResultType, \ | |
| 1668 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1669 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1670 \ | |
| 4006 | 1671 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1672 ResultType ret = 0;\ |
| 1673 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1674 (const ResultType&)ret);\ | |
| 1675 \ | |
| 1676 va_list args; \ | |
| 1677 va_start(args, methodID); \ | |
| 1678 JavaValue jvalue(Tag); \ | |
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1679 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1680 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1681 va_end(args); \ | |
| 1682 ret = jvalue.get_##ResultType(); \ | |
| 1683 return ret;\ | |
| 1684 JNI_END \ | |
| 1685 \ | |
| 1686 \ | |
| 1687 JNI_ENTRY(ResultType, \ | |
| 1688 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1689 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1690 \ | |
| 4006 | 1691 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1692 ResultType ret = 0;\ |
| 1693 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1694 (const ResultType&)ret);\ | |
| 1695 \ | |
| 1696 JavaValue jvalue(Tag); \ | |
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1697 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1698 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1699 ret = jvalue.get_##ResultType(); \ | |
| 1700 return ret;\ | |
| 1701 JNI_END \ | |
| 1702 \ | |
| 1703 \ | |
| 1704 JNI_ENTRY(ResultType, \ | |
| 1705 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1706 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1707 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1708 ResultType ret = 0;\ |
| 1709 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1710 (const ResultType&)ret);\ | |
| 1711 \ | |
| 1712 JavaValue jvalue(Tag); \ | |
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1713 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1714 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1715 ret = jvalue.get_##ResultType(); \ | |
| 1716 return ret;\ | |
| 1717 JNI_END | |
| 1718 | |
| 1719 // the runtime type of subword integral basic types is integer | |
| 1720 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1721 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1722 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1723 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1724 | |
| 1725 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1726 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1727 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1728 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1729 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1730 | |
| 1731 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1732 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1733 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1734 | |
| 4006 | 1735 #else /* USDT2 */ |
| 1736 | |
| 1737 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1738 , EntryProbe, ReturnProbe) \ | |
| 1739 \ | |
| 1740 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1741 , ReturnProbe); \ | |
| 1742 \ | |
| 1743 JNI_ENTRY(ResultType, \ | |
| 1744 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1745 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1746 \ | |
| 1747 EntryProbe; \ | |
| 1748 ResultType ret = 0;\ | |
| 1749 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1750 (const ResultType&)ret);\ | |
| 1751 \ | |
| 1752 va_list args; \ | |
| 1753 va_start(args, methodID); \ | |
| 1754 JavaValue jvalue(Tag); \ | |
| 1755 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1756 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1757 va_end(args); \ | |
| 1758 ret = jvalue.get_##ResultType(); \ | |
| 1759 return ret;\ | |
| 1760 JNI_END | |
| 1761 | |
| 1762 // the runtime type of subword integral basic types is integer | |
| 1763 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1764 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1765 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1766 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1767 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1768 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1769 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1770 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1771 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1772 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1773 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1774 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1775 | |
| 1776 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1777 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1778 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1779 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1780 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1781 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1782 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1783 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1784 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1785 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1786 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1787 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1788 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1789 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1790 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1791 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1792 | |
| 1793 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1794 , EntryProbe, ReturnProbe) \ | |
| 1795 \ | |
| 1796 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1797 , ReturnProbe); \ | |
| 1798 \ | |
| 1799 JNI_ENTRY(ResultType, \ | |
| 1800 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1801 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1802 \ | |
| 1803 EntryProbe;\ | |
| 1804 ResultType ret = 0;\ | |
| 1805 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1806 (const ResultType&)ret);\ | |
| 1807 \ | |
| 1808 JavaValue jvalue(Tag); \ | |
| 1809 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1810 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1811 ret = jvalue.get_##ResultType(); \ | |
| 1812 return ret;\ | |
| 1813 JNI_END | |
| 1814 | |
| 1815 // the runtime type of subword integral basic types is integer | |
| 1816 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1817 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1818 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1819 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1820 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1821 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1822 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1823 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1824 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1825 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1826 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1827 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1828 | |
| 1829 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1830 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1831 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1832 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1833 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1834 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1835 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1836 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1837 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1838 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1839 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1840 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1841 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1842 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1843 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1844 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1845 | |
| 1846 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1847 , EntryProbe, ReturnProbe) \ | |
| 1848 \ | |
| 1849 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1850 , ReturnProbe); \ | |
| 1851 \ | |
| 1852 JNI_ENTRY(ResultType, \ | |
| 1853 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1854 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1855 EntryProbe; \ | |
| 1856 ResultType ret = 0;\ | |
| 1857 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1858 (const ResultType&)ret);\ | |
| 1859 \ | |
| 1860 JavaValue jvalue(Tag); \ | |
| 1861 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1862 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1863 ret = jvalue.get_##ResultType(); \ | |
| 1864 return ret;\ | |
| 1865 JNI_END | |
| 1866 | |
| 1867 // the runtime type of subword integral basic types is integer | |
| 1868 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1869 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1870 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1871 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1872 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1873 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1874 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1875 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1876 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1877 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1878 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1879 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1880 | |
| 1881 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1882 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1883 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1884 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1885 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1886 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1887 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1888 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1889 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1890 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1891 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1892 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1893 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1894 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1895 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1896 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1897 | |
| 1898 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1899 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1900 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1901 | |
| 1902 #endif /* USDT2 */ | |
| 1903 | |
| 0 | 1904 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1905 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1906 #ifndef USDT2 |
| 0 | 1907 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1908 #else /* USDT2 */ |
| 1909 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1910 env, obj, (uintptr_t) methodID); | |
| 1911 #endif /* USDT2 */ | |
| 0 | 1912 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1913 | |
| 1914 va_list args; | |
| 1915 va_start(args, methodID); | |
| 1916 JavaValue jvalue(T_VOID); | |
|
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1917 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1918 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1919 va_end(args); | |
| 1920 JNI_END | |
| 1921 | |
| 1922 | |
| 1923 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1924 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1925 #ifndef USDT2 |
| 0 | 1926 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1927 #else /* USDT2 */ |
| 1928 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1929 env, obj, (uintptr_t) methodID); | |
| 1930 #endif /* USDT2 */ | |
| 0 | 1931 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1932 | |
| 1933 JavaValue jvalue(T_VOID); | |
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1934 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1935 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1936 JNI_END | |
| 1937 | |
| 1938 | |
| 1939 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1940 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1941 #ifndef USDT2 |
| 0 | 1942 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1943 #else /* USDT2 */ |
| 1944 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1945 env, obj, (uintptr_t) methodID); | |
| 1946 #endif /* USDT2 */ | |
| 0 | 1947 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1948 | |
| 1949 JavaValue jvalue(T_VOID); | |
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1950 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1951 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1952 JNI_END | |
| 1953 | |
| 1954 | |
| 4006 | 1955 #ifndef USDT2 |
| 0 | 1956 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1957 \ | |
| 1958 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1959 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1960 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1961 \ | |
| 1962 JNI_ENTRY(ResultType, \ | |
| 1963 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1964 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1965 \ | |
| 1966 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1967 ResultType ret;\ | |
| 1968 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1969 (const ResultType&)ret);\ | |
| 1970 \ | |
| 1971 va_list args; \ | |
| 1972 va_start(args, methodID); \ | |
| 1973 JavaValue jvalue(Tag); \ | |
|
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1974 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1975 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1976 va_end(args); \ | |
| 1977 ret = jvalue.get_##ResultType(); \ | |
| 1978 return ret;\ | |
| 1979 JNI_END \ | |
| 1980 \ | |
| 1981 JNI_ENTRY(ResultType, \ | |
| 1982 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1983 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 1984 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 1985 ResultType ret;\ | |
| 1986 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1987 (const ResultType&)ret);\ | |
| 1988 \ | |
| 1989 JavaValue jvalue(Tag); \ | |
|
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1990 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1991 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1992 ret = jvalue.get_##ResultType(); \ | |
| 1993 return ret;\ | |
| 1994 JNI_END \ | |
| 1995 \ | |
| 1996 JNI_ENTRY(ResultType, \ | |
| 1997 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 1998 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 1999 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 2000 ResultType ret;\ | |
| 2001 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2002 (const ResultType&)ret);\ | |
| 2003 \ | |
| 2004 JavaValue jvalue(Tag); \ | |
|
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2005 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2006 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2007 ret = jvalue.get_##ResultType(); \ | |
| 2008 return ret;\ | |
| 2009 JNI_END | |
| 2010 | |
| 2011 // the runtime type of subword integral basic types is integer | |
| 2012 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2013 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2014 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2015 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2016 | |
| 2017 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2018 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2019 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2020 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2021 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2022 | |
| 2023 | |
| 2024 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2025 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2026 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2027 | |
| 4006 | 2028 #else /* USDT2 */ |
| 2029 | |
| 2030 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2031 , EntryProbe, ReturnProbe) \ | |
| 2032 \ | |
| 2033 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2034 , ReturnProbe);\ | |
| 2035 \ | |
| 2036 JNI_ENTRY(ResultType, \ | |
| 2037 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2038 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2039 \ | |
| 2040 EntryProbe;\ | |
| 2041 ResultType ret;\ | |
| 2042 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2043 (const ResultType&)ret);\ | |
| 2044 \ | |
| 2045 va_list args; \ | |
| 2046 va_start(args, methodID); \ | |
| 2047 JavaValue jvalue(Tag); \ | |
| 2048 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2049 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2050 va_end(args); \ | |
| 2051 ret = jvalue.get_##ResultType(); \ | |
| 2052 return ret;\ | |
| 2053 JNI_END | |
| 2054 | |
| 2055 // the runtime type of subword integral basic types is integer | |
| 2056 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2057 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2058 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2059 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2060 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2061 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2062 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2063 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2064 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2065 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2066 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2067 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2068 | |
| 2069 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2070 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2071 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2072 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2073 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2074 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2075 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2076 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2077 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2078 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2079 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2080 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2081 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2082 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2083 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2084 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2085 | |
| 2086 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2087 , EntryProbe, ReturnProbe) \ | |
| 2088 \ | |
| 2089 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2090 , ReturnProbe);\ | |
| 2091 \ | |
| 2092 JNI_ENTRY(ResultType, \ | |
| 2093 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2094 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2095 \ | |
| 2096 EntryProbe;\ | |
| 2097 ResultType ret;\ | |
| 2098 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2099 (const ResultType&)ret);\ | |
| 2100 \ | |
| 2101 JavaValue jvalue(Tag); \ | |
| 2102 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2103 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2104 ret = jvalue.get_##ResultType(); \ | |
| 2105 return ret;\ | |
| 2106 JNI_END | |
| 2107 | |
| 2108 // the runtime type of subword integral basic types is integer | |
| 2109 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2110 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2111 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2112 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2113 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2114 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2115 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2116 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2117 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2118 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2119 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2120 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2121 | |
| 2122 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2123 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2124 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2125 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2126 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2127 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2128 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2129 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2130 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2131 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2132 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2133 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2134 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2135 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2136 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2137 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2138 | |
| 2139 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2140 , EntryProbe, ReturnProbe) \ | |
| 2141 \ | |
| 2142 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2143 , ReturnProbe);\ | |
| 2144 \ | |
| 2145 JNI_ENTRY(ResultType, \ | |
| 2146 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2147 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2148 \ | |
| 2149 EntryProbe;\ | |
| 2150 ResultType ret;\ | |
| 2151 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2152 (const ResultType&)ret);\ | |
| 2153 \ | |
| 2154 JavaValue jvalue(Tag); \ | |
| 2155 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2156 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2157 ret = jvalue.get_##ResultType(); \ | |
| 2158 return ret;\ | |
| 2159 JNI_END | |
| 2160 | |
| 2161 // the runtime type of subword integral basic types is integer | |
| 2162 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2163 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2164 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2165 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2166 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2167 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2168 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2169 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2170 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2171 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2172 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2173 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2174 | |
| 2175 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2176 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2177 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2178 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2179 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2180 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2181 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2182 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2183 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2184 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2185 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2186 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2187 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2188 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2189 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2190 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2191 | |
| 2192 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2193 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2194 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2195 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2196 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2197 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2198 #endif /* USDT2 */ | |
| 2199 | |
| 0 | 2200 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2201 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2202 | |
| 4006 | 2203 #ifndef USDT2 |
| 0 | 2204 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2205 env, obj, cls, methodID); | |
| 4006 | 2206 #else /* USDT2 */ |
| 2207 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2208 env, obj, cls, (uintptr_t) methodID); | |
| 2209 #endif /* USDT2 */ | |
| 0 | 2210 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2211 | |
| 2212 va_list args; | |
| 2213 va_start(args, methodID); | |
| 2214 JavaValue jvalue(T_VOID); | |
|
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2215 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2216 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2217 va_end(args); | |
| 2218 JNI_END | |
| 2219 | |
| 2220 | |
| 2221 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2222 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2223 | |
| 4006 | 2224 #ifndef USDT2 |
| 0 | 2225 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2226 env, obj, cls, methodID); | |
| 4006 | 2227 #else /* USDT2 */ |
| 2228 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2229 env, obj, cls, (uintptr_t) methodID); | |
| 2230 #endif /* USDT2 */ | |
| 0 | 2231 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2232 | |
| 2233 JavaValue jvalue(T_VOID); | |
|
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2234 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2235 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2236 JNI_END | |
| 2237 | |
| 2238 | |
| 2239 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2240 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2241 #ifndef USDT2 |
| 0 | 2242 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2243 env, obj, cls, methodID); | |
| 4006 | 2244 #else /* USDT2 */ |
| 2245 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2246 env, obj, cls, (uintptr_t) methodID); | |
| 2247 #endif /* USDT2 */ | |
| 0 | 2248 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2249 JavaValue jvalue(T_VOID); | |
|
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2250 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2251 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2252 JNI_END | |
| 2253 | |
| 2254 | |
| 4006 | 2255 #ifndef USDT2 |
| 0 | 2256 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2257 \ | |
| 2258 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2259 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2260 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2261 \ | |
| 2262 JNI_ENTRY(ResultType, \ | |
| 2263 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2264 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2265 \ | |
| 2266 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2267 ResultType ret = 0;\ | |
| 2268 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2269 (const ResultType&)ret);\ | |
| 2270 \ | |
| 2271 va_list args; \ | |
| 2272 va_start(args, methodID); \ | |
| 2273 JavaValue jvalue(Tag); \ | |
|
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2274 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2275 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2276 va_end(args); \ | |
| 2277 ret = jvalue.get_##ResultType(); \ | |
| 2278 return ret;\ | |
| 2279 JNI_END \ | |
| 2280 \ | |
| 2281 JNI_ENTRY(ResultType, \ | |
| 2282 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2283 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2284 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2285 ResultType ret = 0;\ | |
| 2286 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2287 (const ResultType&)ret);\ | |
| 2288 \ | |
| 2289 JavaValue jvalue(Tag); \ | |
|
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2290 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2291 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2292 ret = jvalue.get_##ResultType(); \ | |
| 2293 return ret;\ | |
| 2294 JNI_END \ | |
| 2295 \ | |
| 2296 JNI_ENTRY(ResultType, \ | |
| 2297 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2298 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2299 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2300 ResultType ret = 0;\ | |
| 2301 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2302 (const ResultType&)ret);\ | |
| 2303 \ | |
| 2304 JavaValue jvalue(Tag); \ | |
|
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|
2305 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2306 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2307 ret = jvalue.get_##ResultType(); \ | |
| 2308 return ret;\ | |
| 2309 JNI_END | |
| 2310 | |
| 2311 // the runtime type of subword integral basic types is integer | |
| 2312 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2313 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2314 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2315 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2316 | |
| 2317 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2318 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2319 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2320 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2321 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2322 | |
| 2323 | |
| 2324 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2325 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2326 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2327 | |
| 4006 | 2328 #else /* USDT2 */ |
| 2329 | |
| 2330 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2331 , EntryProbe, ResultProbe) \ | |
| 2332 \ | |
| 2333 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2334 , ResultProbe); \ | |
| 2335 \ | |
| 2336 JNI_ENTRY(ResultType, \ | |
| 2337 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2338 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2339 \ | |
| 2340 EntryProbe; \ | |
| 2341 ResultType ret = 0;\ | |
| 2342 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2343 (const ResultType&)ret);\ | |
| 2344 \ | |
| 2345 va_list args; \ | |
| 2346 va_start(args, methodID); \ | |
| 2347 JavaValue jvalue(Tag); \ | |
| 2348 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2349 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2350 va_end(args); \ | |
| 2351 ret = jvalue.get_##ResultType(); \ | |
| 2352 return ret;\ | |
| 2353 JNI_END | |
| 2354 | |
| 2355 // the runtime type of subword integral basic types is integer | |
| 2356 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2357 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2358 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2359 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2360 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2361 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2362 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2363 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2364 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2365 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2366 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2367 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2368 | |
| 2369 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2370 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2371 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2372 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2373 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2374 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2375 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2376 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2377 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2378 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2379 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2380 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2381 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2382 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2383 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2384 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2385 | |
| 2386 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2387 , EntryProbe, ResultProbe) \ | |
| 2388 \ | |
| 2389 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2390 , ResultProbe); \ | |
| 2391 \ | |
| 2392 JNI_ENTRY(ResultType, \ | |
| 2393 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2394 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2395 \ | |
| 2396 EntryProbe; \ | |
| 2397 ResultType ret = 0;\ | |
| 2398 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2399 (const ResultType&)ret);\ | |
| 2400 \ | |
| 2401 JavaValue jvalue(Tag); \ | |
| 2402 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2403 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
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2404 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2405 k()->initialize(CHECK_0); \ |
| 4006 | 2406 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2407 va_end(args); \ | |
| 2408 ret = jvalue.get_##ResultType(); \ | |
| 2409 return ret;\ | |
| 2410 JNI_END | |
| 2411 | |
| 2412 // the runtime type of subword integral basic types is integer | |
| 2413 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2414 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2415 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2416 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2417 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2418 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2419 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2420 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2421 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2422 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2423 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2424 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2425 | |
| 2426 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2427 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2428 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2429 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2430 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2431 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2432 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2433 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2434 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2435 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2436 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2437 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2438 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2439 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2440 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2441 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2442 | |
| 2443 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2444 , EntryProbe, ResultProbe) \ | |
| 2445 \ | |
| 2446 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2447 , ResultProbe); \ | |
| 2448 \ | |
| 2449 JNI_ENTRY(ResultType, \ | |
| 2450 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2451 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2452 \ | |
| 2453 EntryProbe; \ | |
| 2454 ResultType ret = 0;\ | |
| 2455 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2456 (const ResultType&)ret);\ | |
| 2457 \ | |
| 2458 JavaValue jvalue(Tag); \ | |
| 2459 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2460 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2461 ret = jvalue.get_##ResultType(); \ | |
| 2462 return ret;\ | |
| 2463 JNI_END | |
| 2464 | |
| 2465 // the runtime type of subword integral basic types is integer | |
| 2466 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2467 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2468 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2469 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2470 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2471 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2472 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2473 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2474 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2475 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2476 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2477 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2478 | |
| 2479 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2480 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2481 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2482 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2483 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2484 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2485 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2486 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2487 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2488 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2489 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2490 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2491 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2492 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2493 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2494 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2495 | |
| 2496 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2497 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2498 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2499 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2500 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2501 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2502 #endif /* USDT2 */ | |
| 2503 | |
| 0 | 2504 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2505 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2506 #ifndef USDT2 |
| 0 | 2507 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2508 #else /* USDT2 */ |
| 2509 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2510 env, cls, (uintptr_t) methodID); | |
| 2511 #endif /* USDT2 */ | |
| 0 | 2512 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2513 | |
| 2514 va_list args; | |
| 2515 va_start(args, methodID); | |
| 2516 JavaValue jvalue(T_VOID); | |
|
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|
2517 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2518 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2519 va_end(args); | |
| 2520 JNI_END | |
| 2521 | |
| 2522 | |
| 2523 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2524 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2525 #ifndef USDT2 |
| 0 | 2526 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2527 #else /* USDT2 */ |
| 2528 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2529 env, cls, (uintptr_t) methodID); | |
| 2530 #endif /* USDT2 */ | |
| 0 | 2531 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2532 | |
| 2533 JavaValue jvalue(T_VOID); | |
|
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|
2534 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2535 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2536 JNI_END | |
| 2537 | |
| 2538 | |
| 2539 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2540 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2541 #ifndef USDT2 |
| 0 | 2542 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2543 #else /* USDT2 */ |
| 2544 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2545 env, cls, (uintptr_t) methodID); | |
| 2546 #endif /* USDT2 */ | |
| 0 | 2547 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2548 | |
| 2549 JavaValue jvalue(T_VOID); | |
|
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|
2550 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2551 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2552 JNI_END | |
| 2553 | |
| 2554 | |
| 2555 // | |
| 2556 // Accessing Fields | |
| 2557 // | |
| 2558 | |
| 2559 | |
| 4006 | 2560 #ifndef USDT2 |
| 0 | 2561 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2562 #else /* USDT2 */ |
| 2563 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2564 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2565 #endif /* USDT2 */ | |
| 0 | 2566 |
| 2567 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2568 const char *name, const char *sig)) | |
| 2569 JNIWrapper("GetFieldID"); | |
| 4006 | 2570 #ifndef USDT2 |
| 0 | 2571 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2572 #else /* USDT2 */ |
| 2573 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2574 env, clazz, (char *) name, (char *) sig); | |
| 2575 #endif /* USDT2 */ | |
| 0 | 2576 jfieldID ret = 0; |
| 2577 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2578 | |
| 2579 // The class should have been loaded (we have an instance of the class | |
| 2580 // passed in) so the field and signature should already be in the symbol | |
| 2581 // table. If they're not there, the field doesn't exist. | |
|
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2582 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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|
2583 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2584 if (fieldname == NULL || signame == NULL) { |
| 0 | 2585 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2586 } | |
| 2587 KlassHandle k(THREAD, | |
|
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|
2588 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2589 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2590 k()->initialize(CHECK_NULL); |
| 0 | 2591 |
| 2592 fieldDescriptor fd; | |
| 6983 | 2593 if (!k()->oop_is_instance() || |
|
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|
2594 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2595 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2596 } | |
| 2597 | |
| 2598 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2599 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2600 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2601 return ret; | |
| 2602 JNI_END | |
| 2603 | |
| 2604 | |
| 2605 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2606 JNIWrapper("GetObjectField"); | |
| 4006 | 2607 #ifndef USDT2 |
| 0 | 2608 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2609 #else /* USDT2 */ |
| 2610 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2611 env, obj, (uintptr_t) fieldID); | |
| 2612 #endif /* USDT2 */ | |
| 0 | 2613 oop o = JNIHandles::resolve_non_null(obj); |
|
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|
2614 Klass* k = o->klass(); |
| 0 | 2615 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2616 // Keep JVMTI addition small and only check enabled flag here. | |
| 2617 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2618 if (JvmtiExport::should_post_field_access()) { | |
| 2619 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2620 } | |
| 2621 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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|
2622 #if INCLUDE_ALL_GCS |
|
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|
2623 // If G1 is enabled and we are accessing the value of the referent |
|
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|
2624 // field in a reference object then we need to register a non-null |
|
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|
2625 // referent with the SATB barrier. |
|
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|
2626 if (UseG1GC) { |
|
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diff
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|
2627 bool needs_barrier = false; |
|
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diff
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|
2628 |
|
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|
2629 if (ret != NULL && |
|
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2630 offset == java_lang_ref_Reference::referent_offset && |
|
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2631 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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|
2632 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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2633 needs_barrier = true; |
|
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2634 } |
|
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|
2635 |
|
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|
2636 if (needs_barrier) { |
|
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|
2637 oop referent = JNIHandles::resolve(ret); |
|
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|
2638 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2639 } |
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|
2640 } |
|
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|
2641 #endif // INCLUDE_ALL_GCS |
| 4006 | 2642 #ifndef USDT2 |
| 0 | 2643 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2644 #else /* USDT2 */ |
| 2645 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2646 ret); | |
| 2647 #endif /* USDT2 */ | |
| 0 | 2648 return ret; |
| 2649 JNI_END | |
| 2650 | |
| 2651 | |
| 4006 | 2652 #ifndef USDT2 |
| 0 | 2653 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2654 \ | |
| 2655 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2656 \ | |
| 2657 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2658 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2659 \ | |
| 2660 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2661 Return ret = 0;\ | |
| 2662 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2663 \ | |
| 2664 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2665 Klass* k = o->klass(); \ |
| 0 | 2666 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2667 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2668 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2669 /* and creates a ResetNoHandleMark. */ \ | |
| 2670 if (JvmtiExport::should_post_field_access()) { \ | |
| 2671 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2672 } \ | |
| 2673 ret = o->Fieldname##_field(offset); \ | |
| 2674 return ret; \ | |
| 2675 JNI_END | |
| 2676 | |
| 2677 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2678 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2679 DEFINE_GETFIELD(jchar, char, Char) | |
| 2680 DEFINE_GETFIELD(jshort, short, Short) | |
| 2681 DEFINE_GETFIELD(jint, int, Int) | |
| 2682 DEFINE_GETFIELD(jlong, long, Long) | |
| 2683 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2684 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2685 | |
| 4006 | 2686 #else /* USDT2 */ |
| 2687 | |
| 2688 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2689 , EntryProbe, ReturnProbe) \ | |
| 2690 \ | |
| 2691 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2692 , ReturnProbe); \ | |
| 2693 \ | |
| 2694 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2695 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2696 \ | |
| 2697 EntryProbe; \ | |
| 2698 Return ret = 0;\ | |
| 2699 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2700 \ | |
| 2701 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2702 Klass* k = o->klass(); \ |
| 4006 | 2703 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2704 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2705 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2706 /* and creates a ResetNoHandleMark. */ \ | |
| 2707 if (JvmtiExport::should_post_field_access()) { \ | |
| 2708 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2709 } \ | |
| 2710 ret = o->Fieldname##_field(offset); \ | |
| 2711 return ret; \ | |
| 2712 JNI_END | |
| 2713 | |
| 2714 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2715 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2716 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2717 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2718 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2719 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2720 DEFINE_GETFIELD(jchar, char, Char | |
| 2721 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2722 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2723 DEFINE_GETFIELD(jshort, short, Short | |
| 2724 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2725 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2726 DEFINE_GETFIELD(jint, int, Int | |
| 2727 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2728 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2729 DEFINE_GETFIELD(jlong, long, Long | |
| 2730 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2731 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2732 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2733 DEFINE_GETFIELD(jfloat, float, Float | |
| 2734 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2735 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2736 DEFINE_GETFIELD(jdouble, double, Double | |
| 2737 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2738 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2739 #endif /* USDT2 */ | |
| 2740 | |
| 0 | 2741 address jni_GetBooleanField_addr() { |
| 2742 return (address)jni_GetBooleanField; | |
| 2743 } | |
| 2744 address jni_GetByteField_addr() { | |
| 2745 return (address)jni_GetByteField; | |
| 2746 } | |
| 2747 address jni_GetCharField_addr() { | |
| 2748 return (address)jni_GetCharField; | |
| 2749 } | |
| 2750 address jni_GetShortField_addr() { | |
| 2751 return (address)jni_GetShortField; | |
| 2752 } | |
| 2753 address jni_GetIntField_addr() { | |
| 2754 return (address)jni_GetIntField; | |
| 2755 } | |
| 2756 address jni_GetLongField_addr() { | |
| 2757 return (address)jni_GetLongField; | |
| 2758 } | |
| 2759 address jni_GetFloatField_addr() { | |
| 2760 return (address)jni_GetFloatField; | |
| 2761 } | |
| 2762 address jni_GetDoubleField_addr() { | |
| 2763 return (address)jni_GetDoubleField; | |
| 2764 } | |
| 2765 | |
| 2766 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2767 JNIWrapper("SetObjectField"); | |
| 4006 | 2768 #ifndef USDT2 |
| 0 | 2769 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2770 #else /* USDT2 */ |
| 2771 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2772 env, obj, (uintptr_t) fieldID, value); | |
| 2773 #endif /* USDT2 */ | |
| 0 | 2774 oop o = JNIHandles::resolve_non_null(obj); |
|
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2775 Klass* k = o->klass(); |
| 0 | 2776 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2777 // Keep JVMTI addition small and only check enabled flag here. | |
| 2778 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2779 // and creates a ResetNoHandleMark. | |
| 2780 if (JvmtiExport::should_post_field_modification()) { | |
| 2781 jvalue field_value; | |
| 2782 field_value.l = value; | |
| 2783 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2784 } | |
| 2785 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2786 #ifndef USDT2 |
| 0 | 2787 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2788 #else /* USDT2 */ |
| 2789 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2790 ); | |
| 2791 #endif /* USDT2 */ | |
| 0 | 2792 JNI_END |
| 2793 | |
| 4006 | 2794 #ifndef USDT2 |
| 0 | 2795 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2796 \ | |
| 2797 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2798 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2799 \ | |
|
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|
2800 FP_SELECT_##Result( \ |
|
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|
2801 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
|
75982791ddb6
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6831
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|
2802 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2803 \ |
| 2804 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2805 Klass* k = o->klass(); \ |
| 0 | 2806 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2807 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2808 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2809 /* and creates a ResetNoHandleMark. */ \ | |
| 2810 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2811 jvalue field_value; \ | |
| 2812 field_value.unionType = value; \ | |
| 2813 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2814 } \ | |
| 2815 o->Fieldname##_field_put(offset, value); \ | |
| 2816 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2817 JNI_END | |
| 2818 | |
| 2819 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2820 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2821 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2822 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2823 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2824 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2825 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2826 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2827 | |
| 4006 | 2828 #else /* USDT2 */ |
| 2829 | |
| 2830 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2831 , EntryProbe, ReturnProbe) \ | |
| 2832 \ | |
| 2833 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2834 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2835 \ | |
| 2836 EntryProbe; \ | |
| 2837 \ | |
| 2838 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2839 Klass* k = o->klass(); \ |
| 4006 | 2840 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2841 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2842 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2843 /* and creates a ResetNoHandleMark. */ \ | |
| 2844 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2845 jvalue field_value; \ | |
| 2846 field_value.unionType = value; \ | |
| 2847 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2848 } \ | |
| 2849 o->Fieldname##_field_put(offset, value); \ | |
| 2850 ReturnProbe; \ | |
| 2851 JNI_END | |
| 2852 | |
| 2853 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2854 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2855 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2856 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2857 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2858 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2859 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2860 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2861 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2862 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2863 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2864 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2865 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2866 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2867 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2868 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2869 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2870 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2871 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2872 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2873 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2874 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2875 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2876 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2877 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2878 #endif /* USDT2 */ | |
| 2879 | |
| 2880 #ifndef USDT2 | |
| 0 | 2881 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2882 #else /* USDT2 */ |
| 2883 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2884 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2885 #endif /* USDT2 */ | |
| 0 | 2886 |
| 2887 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2888 JNIWrapper("ToReflectedField"); | |
| 4006 | 2889 #ifndef USDT2 |
| 0 | 2890 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2891 env, cls, fieldID, isStatic); | |
| 4006 | 2892 #else /* USDT2 */ |
| 2893 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2894 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2895 #endif /* USDT2 */ | |
| 0 | 2896 jobject ret = NULL; |
| 2897 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2898 | |
| 2899 fieldDescriptor fd; | |
| 2900 bool found = false; | |
|
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|
2901 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2902 |
| 2903 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2904 | |
| 2905 if (isStatic) { | |
|
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|
2906 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2907 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2908 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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|
2909 found = id->find_local_field(&fd); |
| 0 | 2910 } else { |
| 2911 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2912 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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|
2913 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2914 } |
| 2915 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2916 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2917 ret = JNIHandles::make_local(env, reflected); | |
| 2918 return ret; | |
| 2919 JNI_END | |
| 2920 | |
| 2921 | |
| 2922 // | |
| 2923 // Accessing Static Fields | |
| 2924 // | |
| 4006 | 2925 #ifndef USDT2 |
| 0 | 2926 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2927 #else /* USDT2 */ |
| 2928 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2929 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2930 #endif /* USDT2 */ | |
| 0 | 2931 |
| 2932 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2933 const char *name, const char *sig)) | |
| 2934 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2935 #ifndef USDT2 |
| 0 | 2936 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2937 #else /* USDT2 */ |
| 2938 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2939 env, clazz, (char *) name, (char *) sig); | |
| 2940 #endif /* USDT2 */ | |
| 0 | 2941 jfieldID ret = NULL; |
| 2942 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2943 | |
| 2944 // The class should have been loaded (we have an instance of the class | |
| 2945 // passed in) so the field and signature should already be in the symbol | |
| 2946 // table. If they're not there, the field doesn't exist. | |
|
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|
2947 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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|
2948 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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diff
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|
2949 if (fieldname == NULL || signame == NULL) { |
| 0 | 2950 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2951 } | |
| 2952 KlassHandle k(THREAD, | |
|
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|
2953 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2954 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2955 k()->initialize(CHECK_NULL); |
| 0 | 2956 |
| 2957 fieldDescriptor fd; | |
| 6983 | 2958 if (!k()->oop_is_instance() || |
|
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2959 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2960 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2961 } | |
| 2962 | |
|
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2963 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
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|
2964 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2965 debug_only(id->set_is_static_field_id();) |
| 2966 | |
|
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2967 debug_only(id->verify(fd.field_holder())); |
| 0 | 2968 |
| 2969 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2970 return ret; | |
| 2971 JNI_END | |
| 2972 | |
| 2973 | |
| 2974 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2975 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2976 #ifndef USDT2 |
| 0 | 2977 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2978 #else /* USDT2 */ |
| 2979 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 2980 env, clazz, (uintptr_t) fieldID); | |
| 2981 #endif /* USDT2 */ | |
|
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|
2982 #if INCLUDE_JNI_CHECK |
|
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2983 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
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|
2984 #endif // INCLUDE_JNI_CHECK |
| 0 | 2985 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2986 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2987 // Keep JVMTI addition small and only check enabled flag here. | |
| 2988 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2989 if (JvmtiExport::should_post_field_access()) { | |
| 2990 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 2991 } | |
|
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|
2992 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 2993 #ifndef USDT2 |
| 0 | 2994 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 2995 #else /* USDT2 */ |
| 2996 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 2997 ret); | |
| 2998 #endif /* USDT2 */ | |
| 0 | 2999 return ret; |
| 3000 JNI_END | |
| 3001 | |
| 4006 | 3002 #ifndef USDT2 |
| 0 | 3003 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3004 \ | |
| 3005 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3006 \ | |
| 3007 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3008 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3009 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3010 Return ret = 0;\ | |
| 3011 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3012 (const Return&)ret);\ | |
| 3013 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3014 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3015 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3016 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3017 if (JvmtiExport::should_post_field_access()) { \ | |
| 3018 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3019 } \ | |
|
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3020 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3021 return ret;\ |
| 3022 JNI_END | |
| 3023 | |
| 3024 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3025 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3026 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3027 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3028 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3029 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3030 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3031 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3032 | |
| 4006 | 3033 #else /* USDT2 */ |
| 3034 | |
| 3035 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3036 , EntryProbe, ReturnProbe) \ | |
| 3037 \ | |
| 3038 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3039 , ReturnProbe); \ | |
| 3040 \ | |
| 3041 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3042 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3043 EntryProbe; \ | |
| 3044 Return ret = 0;\ | |
| 3045 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3046 (const Return&)ret);\ | |
| 3047 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3048 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3049 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3050 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3051 if (JvmtiExport::should_post_field_access()) { \ | |
| 3052 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3053 } \ | |
| 3054 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3055 return ret;\ | |
| 3056 JNI_END | |
| 3057 | |
| 3058 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3059 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3060 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3061 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3062 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3063 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3064 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3065 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3066 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3067 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3068 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3069 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3070 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3071 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3072 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3073 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3074 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3075 #endif /* USDT2 */ | |
| 0 | 3076 |
| 3077 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3078 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3079 #ifndef USDT2 |
| 0 | 3080 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3081 #else /* USDT2 */ |
| 3082 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3083 env, clazz, (uintptr_t) fieldID, value); | |
| 3084 #endif /* USDT2 */ | |
| 0 | 3085 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3086 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3087 // Keep JVMTI addition small and only check enabled flag here. | |
| 3088 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3089 if (JvmtiExport::should_post_field_modification()) { | |
| 3090 jvalue field_value; | |
| 3091 field_value.l = value; | |
| 3092 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3093 } | |
|
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3094 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3095 #ifndef USDT2 |
| 0 | 3096 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3097 #else /* USDT2 */ |
| 3098 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3099 ); | |
| 3100 #endif /* USDT2 */ | |
| 0 | 3101 JNI_END |
| 3102 | |
| 3103 | |
| 4006 | 3104 #ifndef USDT2 |
| 0 | 3105 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3106 \ | |
| 3107 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3108 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
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|
3109 FP_SELECT_##Result( \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
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diff
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|
3110 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
|
75982791ddb6
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diff
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|
3111 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3112 \ |
| 3113 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3114 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3115 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3116 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3117 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3118 jvalue field_value; \ | |
| 3119 field_value.unionType = value; \ | |
| 3120 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3121 } \ | |
|
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|
3122 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3123 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3124 JNI_END | |
| 3125 | |
| 3126 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3127 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3128 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3129 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3130 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3131 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3132 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3133 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3134 | |
| 4006 | 3135 #else /* USDT2 */ |
| 3136 | |
| 3137 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3138 , EntryProbe, ReturnProbe) \ | |
| 3139 \ | |
| 3140 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3141 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3142 EntryProbe; \ | |
| 3143 \ | |
| 3144 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3145 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3146 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3147 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3148 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3149 jvalue field_value; \ | |
| 3150 field_value.unionType = value; \ | |
| 3151 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3152 } \ | |
| 3153 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3154 ReturnProbe;\ | |
| 3155 JNI_END | |
| 3156 | |
| 3157 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3158 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3159 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3160 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3161 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3162 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3163 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3164 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3165 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3166 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3167 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3168 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3169 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3170 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3171 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3172 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3173 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3174 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3175 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3176 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3177 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3178 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3179 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3180 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3181 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3182 #endif /* USDT2 */ | |
| 0 | 3183 |
| 3184 // | |
| 3185 // String Operations | |
| 3186 // | |
| 3187 | |
| 3188 // Unicode Interface | |
| 3189 | |
| 4006 | 3190 #ifndef USDT2 |
| 0 | 3191 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3192 #else /* USDT2 */ |
| 3193 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3194 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3195 #endif /* USDT2 */ | |
| 0 | 3196 |
| 3197 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3198 JNIWrapper("NewString"); | |
| 4006 | 3199 #ifndef USDT2 |
| 0 | 3200 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3201 #else /* USDT2 */ |
| 3202 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3203 env, (uint16_t *) unicodeChars, len); | |
| 3204 #endif /* USDT2 */ | |
| 0 | 3205 jstring ret = NULL; |
| 3206 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3207 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3208 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3209 return ret; | |
| 3210 JNI_END | |
| 3211 | |
| 3212 | |
| 3213 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3214 JNIWrapper("GetStringLength"); | |
| 4006 | 3215 #ifndef USDT2 |
| 0 | 3216 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3217 #else /* USDT2 */ |
| 3218 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3219 env, string); | |
| 3220 #endif /* USDT2 */ | |
| 0 | 3221 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3222 #ifndef USDT2 |
| 0 | 3223 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3224 #else /* USDT2 */ |
| 3225 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3226 ret); | |
| 3227 #endif /* USDT2 */ | |
| 0 | 3228 return ret; |
| 3229 JNI_END | |
| 3230 | |
| 3231 | |
| 3232 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3233 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3234 JNIWrapper("GetStringChars"); | |
| 4006 | 3235 #ifndef USDT2 |
| 0 | 3236 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3237 #else /* USDT2 */ |
| 3238 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3239 env, string, (uintptr_t *) isCopy); | |
| 3240 #endif /* USDT2 */ | |
| 0 | 3241 //%note jni_5 |
| 3242 if (isCopy != NULL) { | |
| 3243 *isCopy = JNI_TRUE; | |
| 3244 } | |
| 3245 oop s = JNIHandles::resolve_non_null(string); | |
| 3246 int s_len = java_lang_String::length(s); | |
| 3247 typeArrayOop s_value = java_lang_String::value(s); | |
| 3248 int s_offset = java_lang_String::offset(s); | |
| 6197 | 3249 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1, mtInternal); // add one for zero termination |
| 0 | 3250 if (s_len > 0) { |
| 3251 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
| 3252 } | |
| 3253 buf[s_len] = 0; | |
| 4006 | 3254 #ifndef USDT2 |
| 0 | 3255 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3256 #else /* USDT2 */ |
| 3257 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3258 buf); | |
| 3259 #endif /* USDT2 */ | |
| 0 | 3260 return buf; |
| 3261 JNI_END | |
| 3262 | |
| 3263 | |
| 3264 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3265 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3266 #ifndef USDT2 |
| 0 | 3267 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3268 #else /* USDT2 */ |
| 3269 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3270 env, str, (uint16_t *) chars); | |
| 3271 #endif /* USDT2 */ | |
| 0 | 3272 //%note jni_6 |
| 3273 if (chars != NULL) { | |
| 3274 // Since String objects are supposed to be immutable, don't copy any | |
| 3275 // new data back. A bad user will have to go after the char array. | |
| 3276 FreeHeap((void*) chars); | |
| 3277 } | |
| 4006 | 3278 #ifndef USDT2 |
| 0 | 3279 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3280 #else /* USDT2 */ |
| 3281 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3282 ); | |
| 3283 #endif /* USDT2 */ | |
| 0 | 3284 JNI_END |
| 3285 | |
| 3286 | |
| 3287 // UTF Interface | |
| 3288 | |
| 4006 | 3289 #ifndef USDT2 |
| 0 | 3290 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3291 #else /* USDT2 */ |
| 3292 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3293 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3294 #endif /* USDT2 */ | |
| 0 | 3295 |
| 3296 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3297 JNIWrapper("NewStringUTF"); | |
| 4006 | 3298 #ifndef USDT2 |
| 0 | 3299 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3300 #else /* USDT2 */ |
| 3301 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3302 env, (char *) bytes); | |
| 3303 #endif /* USDT2 */ | |
| 0 | 3304 jstring ret; |
| 3305 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3306 | |
| 3307 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3308 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3309 return ret; | |
| 3310 JNI_END | |
| 3311 | |
| 3312 | |
| 3313 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3314 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3315 #ifndef USDT2 |
| 0 | 3316 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3317 #else /* USDT2 */ |
| 3318 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3319 env, string); | |
| 3320 #endif /* USDT2 */ | |
| 0 | 3321 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3322 #ifndef USDT2 |
| 0 | 3323 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3324 #else /* USDT2 */ |
| 3325 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3326 ret); | |
| 3327 #endif /* USDT2 */ | |
| 0 | 3328 return ret; |
| 3329 JNI_END | |
| 3330 | |
| 3331 | |
| 3332 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3333 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3334 #ifndef USDT2 |
| 0 | 3335 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3336 #else /* USDT2 */ |
| 3337 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3338 env, string, (uintptr_t *) isCopy); | |
| 3339 #endif /* USDT2 */ | |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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parents:
1980
diff
changeset
|
3340 oop java_string = JNIHandles::resolve_non_null(string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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parents:
1980
diff
changeset
|
3341 size_t length = java_lang_String::utf8_length(java_string); |
| 6197 | 3342 char* result = AllocateHeap(length + 1, mtInternal); |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3343 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
| 0 | 3344 if (isCopy != NULL) *isCopy = JNI_TRUE; |
| 4006 | 3345 #ifndef USDT2 |
| 0 | 3346 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3347 #else /* USDT2 */ |
| 3348 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3349 result); | |
| 3350 #endif /* USDT2 */ | |
| 0 | 3351 return result; |
| 3352 JNI_END | |
| 3353 | |
| 3354 | |
| 3355 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3356 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3357 #ifndef USDT2 |
| 0 | 3358 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3359 #else /* USDT2 */ |
| 3360 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3361 env, str, (char *) chars); | |
| 3362 #endif /* USDT2 */ | |
| 0 | 3363 if (chars != NULL) { |
| 3364 FreeHeap((char*) chars); | |
| 3365 } | |
| 4006 | 3366 #ifndef USDT2 |
| 0 | 3367 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3368 #else /* USDT2 */ |
| 3369 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3370 ); | |
| 3371 #endif /* USDT2 */ | |
| 0 | 3372 JNI_END |
| 3373 | |
| 3374 | |
| 3375 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3376 JNIWrapper("GetArrayLength"); | |
| 4006 | 3377 #ifndef USDT2 |
| 0 | 3378 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3379 #else /* USDT2 */ |
| 3380 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3381 env, array); | |
| 3382 #endif /* USDT2 */ | |
| 0 | 3383 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3384 assert(a->is_array(), "must be array"); | |
| 3385 jsize ret = a->length(); | |
| 4006 | 3386 #ifndef USDT2 |
| 0 | 3387 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3388 #else /* USDT2 */ |
| 3389 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3390 ret); | |
| 3391 #endif /* USDT2 */ | |
| 0 | 3392 return ret; |
| 3393 JNI_END | |
| 3394 | |
| 3395 | |
| 3396 // | |
| 3397 // Object Array Operations | |
| 3398 // | |
| 3399 | |
| 4006 | 3400 #ifndef USDT2 |
| 0 | 3401 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3402 #else /* USDT2 */ |
| 3403 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3404 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3405 #endif /* USDT2 */ | |
| 0 | 3406 |
| 3407 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3408 JNIWrapper("NewObjectArray"); | |
| 4006 | 3409 #ifndef USDT2 |
| 0 | 3410 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3411 #else /* USDT2 */ |
| 3412 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3413 env, length, elementClass, initialElement); | |
| 3414 #endif /* USDT2 */ | |
| 0 | 3415 jobjectArray ret = NULL; |
| 3416 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
3417 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3418 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3419 KlassHandle ak = KlassHandle(THREAD, ako); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3420 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3421 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3422 oop initial_value = JNIHandles::resolve(initialElement); |
| 3423 if (initial_value != NULL) { // array already initialized with NULL | |
| 3424 for (int index = 0; index < length; index++) { | |
| 3425 result->obj_at_put(index, initial_value); | |
| 3426 } | |
| 3427 } | |
| 3428 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3429 return ret; | |
| 3430 JNI_END | |
| 3431 | |
| 4006 | 3432 #ifndef USDT2 |
| 0 | 3433 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3434 #else /* USDT2 */ |
| 3435 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3436 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3437 #endif /* USDT2 */ | |
| 0 | 3438 |
| 3439 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3440 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3441 #ifndef USDT2 |
| 0 | 3442 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3443 #else /* USDT2 */ |
| 3444 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3445 env, array, index); | |
| 3446 #endif /* USDT2 */ | |
| 0 | 3447 jobject ret = NULL; |
| 3448 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3449 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3450 if (a->is_within_bounds(index)) { | |
|
1034
08780c8a9f04
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kamg
parents:
973
diff
changeset
|
3451 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3452 return ret; |
| 3453 } else { | |
| 3454 char buf[jintAsStringSize]; | |
| 3455 sprintf(buf, "%d", index); | |
| 3456 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3457 } | |
| 3458 JNI_END | |
| 3459 | |
| 4006 | 3460 #ifndef USDT2 |
| 0 | 3461 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3462 #else /* USDT2 */ |
| 3463 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3464 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3465 #endif /* USDT2 */ | |
| 0 | 3466 |
| 3467 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3468 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3469 #ifndef USDT2 |
| 0 | 3470 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3471 #else /* USDT2 */ |
| 3472 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3473 env, array, index, value); | |
| 3474 #endif /* USDT2 */ | |
| 0 | 3475 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3476 | |
| 3477 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3478 oop v = JNIHandles::resolve(value); | |
| 3479 if (a->is_within_bounds(index)) { | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3480 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3481 a->obj_at_put(index, v); |
| 3482 } else { | |
| 3483 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3484 } | |
| 3485 } else { | |
| 3486 char buf[jintAsStringSize]; | |
| 3487 sprintf(buf, "%d", index); | |
| 3488 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3489 } | |
| 3490 JNI_END | |
| 3491 | |
| 3492 | |
| 4006 | 3493 #ifndef USDT2 |
| 0 | 3494 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3495 \ | |
| 4006 | 3496 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3497 \ |
| 3498 JNI_ENTRY(Return, \ | |
| 3499 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3500 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3501 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3502 Return ret = NULL;\ | |
|
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3503 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3504 \ |
| 3505 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3506 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3507 return ret;\ | |
| 3508 JNI_END | |
| 3509 | |
| 3510 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3511 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3512 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3513 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3514 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3515 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3516 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3517 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3518 | |
| 4006 | 3519 #else /* USDT2 */ |
| 3520 | |
| 3521 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3522 ,EntryProbe,ReturnProbe) \ | |
| 3523 \ | |
| 3524 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3525 , ReturnProbe); \ | |
| 3526 \ | |
| 3527 JNI_ENTRY(Return, \ | |
| 3528 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3529 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3530 EntryProbe; \ | |
| 3531 Return ret = NULL;\ | |
| 3532 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3533 \ | |
| 3534 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3535 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3536 return ret;\ | |
| 3537 JNI_END | |
| 3538 | |
| 3539 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3540 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3541 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3542 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3543 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3544 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3545 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3546 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3547 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3548 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3549 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3550 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3551 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3552 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3553 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3554 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3555 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3556 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3557 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3558 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3559 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3560 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3561 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3562 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3563 #endif /* USDT2 */ | |
| 0 | 3564 |
| 3565 // Return an address which will fault if the caller writes to it. | |
| 3566 | |
| 3567 static char* get_bad_address() { | |
| 3568 static char* bad_address = NULL; | |
| 3569 if (bad_address == NULL) { | |
| 3570 size_t size = os::vm_allocation_granularity(); | |
| 3571 bad_address = os::reserve_memory(size); | |
| 3572 if (bad_address != NULL) { | |
|
477
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
237
diff
changeset
|
3573 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
237
diff
changeset
|
3574 /*is_committed*/false); |
| 0 | 3575 } |
| 3576 } | |
| 3577 return bad_address; | |
| 3578 } | |
| 3579 | |
| 3580 | |
| 4006 | 3581 #ifndef USDT2 |
| 0 | 3582 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3583 \ | |
| 3584 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3585 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3586 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3587 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3588 /* allocate an chunk of memory in c land */ \ | |
| 3589 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3590 ElementType* result; \ | |
| 3591 int len = a->length(); \ | |
| 3592 if (len == 0) { \ | |
| 3593 /* Empty array: legal but useless, can't return NULL. \ | |
| 3594 * Return a pointer to something useless. \ | |
| 3595 * Avoid asserts in typeArrayOop. */ \ | |
| 3596 result = (ElementType*)get_bad_address(); \ | |
| 3597 } else { \ | |
| 6197 | 3598 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
| 0 | 3599 /* copy the array to the c chunk */ \ |
| 3600 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3601 } \ | |
| 3602 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3603 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3604 return result; \ | |
| 3605 JNI_END | |
| 3606 | |
| 3607 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3608 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3609 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3610 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3611 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3612 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3613 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3614 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3615 | |
| 4006 | 3616 #else /* USDT2 */ |
| 3617 | |
| 3618 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3619 , EntryProbe, ReturnProbe) \ | |
| 3620 \ | |
| 3621 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3622 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3623 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3624 EntryProbe; \ | |
| 3625 /* allocate an chunk of memory in c land */ \ | |
| 3626 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3627 ElementType* result; \ | |
| 3628 int len = a->length(); \ | |
| 3629 if (len == 0) { \ | |
| 3630 /* Empty array: legal but useless, can't return NULL. \ | |
| 3631 * Return a pointer to something useless. \ | |
| 3632 * Avoid asserts in typeArrayOop. */ \ | |
| 3633 result = (ElementType*)get_bad_address(); \ | |
| 3634 } else { \ | |
| 6197 | 3635 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
| 4006 | 3636 /* copy the array to the c chunk */ \ |
| 3637 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3638 } \ | |
| 3639 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3640 ReturnProbe; \ | |
| 3641 return result; \ | |
| 3642 JNI_END | |
| 3643 | |
| 3644 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3645 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3646 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3647 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3648 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3649 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3650 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3651 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3652 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3653 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3654 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3655 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3656 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3657 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3658 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3659 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3660 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3661 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3662 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3663 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3664 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3665 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3666 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3667 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3668 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3669 #endif /* USDT2 */ | |
| 3670 | |
| 3671 #ifndef USDT2 | |
| 0 | 3672 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3673 \ | |
| 3674 JNI_QUICK_ENTRY(void, \ | |
| 3675 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3676 ElementType *buf, jint mode)) \ | |
| 3677 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3678 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3679 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3680 int len = a->length(); \ | |
| 3681 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3682 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3683 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3684 } \ | |
| 3685 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3686 FreeHeap(buf); \ | |
| 3687 } \ | |
| 3688 } \ | |
| 3689 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3690 JNI_END | |
| 3691 | |
| 3692 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3693 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3694 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3695 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3696 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3697 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3698 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3699 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3700 | |
| 4006 | 3701 #else /* USDT2 */ |
| 3702 | |
| 3703 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3704 , EntryProbe, ReturnProbe);\ | |
| 3705 \ | |
| 3706 JNI_QUICK_ENTRY(void, \ | |
| 3707 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3708 ElementType *buf, jint mode)) \ | |
| 3709 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3710 EntryProbe; \ | |
| 3711 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3712 int len = a->length(); \ | |
| 3713 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3714 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3715 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3716 } \ | |
| 3717 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3718 FreeHeap(buf); \ | |
| 3719 } \ | |
| 3720 } \ | |
| 3721 ReturnProbe; \ | |
| 3722 JNI_END | |
| 3723 | |
| 3724 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3725 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3726 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3727 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3728 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3729 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3730 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3731 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3732 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3733 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3734 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3735 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3736 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3737 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3738 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3739 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3740 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3741 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3742 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3743 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3744 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3745 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3746 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3747 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3748 #endif /* USDT2 */ | |
| 3749 | |
| 3750 #ifndef USDT2 | |
| 0 | 3751 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3752 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3753 \ | |
| 3754 JNI_ENTRY(void, \ | |
| 3755 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3756 jsize len, ElementType *buf)) \ | |
| 3757 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3758 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3759 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3760 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3761 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3762 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3763 } else { \ | |
| 3764 if (len > 0) { \ | |
|
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|
3765 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3766 memcpy((u_char*) buf, \ |
| 3767 (u_char*) src->Tag##_at_addr(start), \ | |
| 3768 len << sc); \ | |
| 3769 } \ | |
| 3770 } \ | |
| 3771 JNI_END | |
| 3772 | |
| 3773 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3774 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3775 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3776 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3777 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3778 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3779 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3780 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3781 | |
| 4006 | 3782 #else /* USDT2 */ |
| 3783 | |
| 3784 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3785 , EntryProbe, ReturnProbe); \ | |
| 3786 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3787 , ReturnProbe); \ | |
| 3788 \ | |
| 3789 JNI_ENTRY(void, \ | |
| 3790 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3791 jsize len, ElementType *buf)) \ | |
| 3792 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3793 EntryProbe; \ | |
| 3794 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3795 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3796 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3797 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3798 } else { \ | |
| 3799 if (len > 0) { \ | |
|
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|
3800 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3801 memcpy((u_char*) buf, \ |
| 3802 (u_char*) src->Tag##_at_addr(start), \ | |
| 3803 len << sc); \ | |
| 3804 } \ | |
| 3805 } \ | |
| 3806 JNI_END | |
| 3807 | |
| 3808 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3809 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3810 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3811 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3812 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3813 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3814 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3815 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3816 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3817 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3818 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3819 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3820 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3821 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3822 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3823 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3824 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3825 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3826 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3827 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3828 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3829 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3830 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3831 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3832 #endif /* USDT2 */ | |
| 3833 | |
| 3834 #ifndef USDT2 | |
| 0 | 3835 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3836 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3837 \ | |
| 3838 JNI_ENTRY(void, \ | |
| 3839 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3840 jsize len, const ElementType *buf)) \ | |
| 3841 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3842 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3843 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3844 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3845 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3846 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3847 } else { \ | |
| 3848 if (len > 0) { \ | |
|
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|
3849 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3850 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3851 (u_char*) buf, \ | |
| 3852 len << sc); \ | |
| 3853 } \ | |
| 3854 } \ | |
| 3855 JNI_END | |
| 3856 | |
| 3857 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3858 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3859 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3860 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3861 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3862 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3863 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3864 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3865 | |
| 4006 | 3866 #else /* USDT2 */ |
| 3867 | |
| 3868 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3869 , EntryProbe, ReturnProbe); \ | |
| 3870 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3871 ,ReturnProbe); \ | |
| 3872 \ | |
| 3873 JNI_ENTRY(void, \ | |
| 3874 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3875 jsize len, const ElementType *buf)) \ | |
| 3876 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3877 EntryProbe; \ | |
| 3878 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3879 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3880 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3881 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3882 } else { \ | |
| 3883 if (len > 0) { \ | |
|
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|
3884 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3885 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3886 (u_char*) buf, \ | |
| 3887 len << sc); \ | |
| 3888 } \ | |
| 3889 } \ | |
| 3890 JNI_END | |
| 3891 | |
| 3892 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3893 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3894 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3895 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3896 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3897 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3898 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3899 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3900 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3901 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3902 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3903 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3904 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3905 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3906 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3907 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3908 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3909 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3910 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3911 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3912 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3913 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3914 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3915 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3916 #endif /* USDT2 */ | |
| 3917 | |
| 0 | 3918 |
| 3919 // | |
| 3920 // Interception of natives | |
| 3921 // | |
| 3922 | |
| 3923 // The RegisterNatives call being attempted tried to register with a method that | |
| 3924 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3925 // to see if the native method is now wrapped with the prefixes. See the | |
| 3926 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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|
3927 static Method* find_prefixed_native(KlassHandle k, |
|
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diff
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|
3928 Symbol* name, Symbol* signature, TRAPS) { |
|
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|
3929 #if INCLUDE_JVMTI |
| 0 | 3930 ResourceMark rm(THREAD); |
|
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|
3931 Method* method; |
| 0 | 3932 int name_len = name->utf8_length(); |
| 3933 char* name_str = name->as_utf8(); | |
| 3934 int prefix_count; | |
| 3935 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3936 for (int i = 0; i < prefix_count; i++) { | |
| 3937 char* prefix = prefixes[i]; | |
| 3938 int prefix_len = (int)strlen(prefix); | |
| 3939 | |
| 3940 // try adding this prefix to the method name and see if it matches another method name | |
| 3941 int trial_len = name_len + prefix_len; | |
| 3942 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3943 strcpy(trial_name_str, prefix); | |
| 3944 strcat(trial_name_str, name_str); | |
|
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diff
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|
3945 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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diff
changeset
|
3946 if (trial_name == NULL) { |
| 0 | 3947 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3948 } | |
| 6983 | 3949 method = k()->lookup_method(trial_name, signature); |
| 0 | 3950 if (method == NULL) { |
| 3951 continue; // signature doesn't match, try the next prefix | |
| 3952 } | |
| 3953 if (method->is_native()) { | |
| 3954 method->set_is_prefixed_native(); | |
| 3955 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3956 } | |
| 3957 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3958 name_len = trial_len; | |
| 3959 name_str = trial_name_str; | |
| 3960 } | |
|
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6725
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changeset
|
3961 #endif // INCLUDE_JVMTI |
| 0 | 3962 return NULL; // not found |
| 3963 } | |
| 3964 | |
|
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diff
changeset
|
3965 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 3966 Method* method = k()->lookup_method(name, signature); |
| 0 | 3967 if (method == NULL) { |
| 3968 ResourceMark rm; | |
| 3969 stringStream st; | |
| 3970 st.print("Method %s name or signature does not match", | |
| 6983 | 3971 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3972 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3973 } | |
| 3974 if (!method->is_native()) { | |
| 3975 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 3976 method = find_prefixed_native(k, name, signature, THREAD); | |
| 3977 if (method == NULL) { | |
| 3978 ResourceMark rm; | |
| 3979 stringStream st; | |
| 3980 st.print("Method %s is not declared as native", | |
| 6983 | 3981 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3982 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3983 } | |
| 3984 } | |
| 3985 | |
| 3986 if (entry != NULL) { | |
| 3987 method->set_native_function(entry, | |
|
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|
3988 Method::native_bind_event_is_interesting); |
| 0 | 3989 } else { |
| 3990 method->clear_native_function(); | |
| 3991 } | |
| 3992 if (PrintJNIResolving) { | |
| 3993 ResourceMark rm(THREAD); | |
| 3994 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
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6856
diff
changeset
|
3995 method->method_holder()->external_name(), |
| 0 | 3996 method->name()->as_C_string()); |
| 3997 } | |
| 3998 return true; | |
| 3999 } | |
| 4000 | |
| 4006 | 4001 #ifndef USDT2 |
| 0 | 4002 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4003 #else /* USDT2 */ |
| 4004 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4005 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4006 #endif /* USDT2 */ | |
| 0 | 4007 |
| 4008 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4009 const JNINativeMethod *methods, | |
| 4010 jint nMethods)) | |
| 4011 JNIWrapper("RegisterNatives"); | |
| 4006 | 4012 #ifndef USDT2 |
| 0 | 4013 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4014 #else /* USDT2 */ |
| 4015 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4016 env, clazz, (void *) methods, nMethods); | |
| 4017 #endif /* USDT2 */ | |
| 0 | 4018 jint ret = 0; |
| 4019 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4020 | |
|
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|
4021 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4022 |
| 4023 for (int index = 0; index < nMethods; index++) { | |
| 4024 const char* meth_name = methods[index].name; | |
| 4025 const char* meth_sig = methods[index].signature; | |
| 4026 int meth_name_len = (int)strlen(meth_name); | |
| 4027 | |
| 4028 // The class should have been loaded (we have an instance of the class | |
| 4029 // passed in) so the method and signature should already be in the symbol | |
| 4030 // table. If they're not there, the method doesn't exist. | |
|
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diff
changeset
|
4031 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
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diff
changeset
|
4032 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
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diff
changeset
|
4033 |
|
3582bf76420e
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diff
changeset
|
4034 if (name == NULL || signature == NULL) { |
| 0 | 4035 ResourceMark rm; |
| 4036 stringStream st; | |
| 6983 | 4037 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4038 // Must return negative value on failure |
| 4039 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4040 } | |
| 4041 | |
| 4042 bool res = register_native(h_k, name, signature, | |
| 4043 (address) methods[index].fnPtr, THREAD); | |
| 4044 if (!res) { | |
| 4045 ret = -1; | |
| 4046 break; | |
| 4047 } | |
| 4048 } | |
| 4049 return ret; | |
| 4050 JNI_END | |
| 4051 | |
| 4052 | |
| 4053 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4054 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4055 #ifndef USDT2 |
| 0 | 4056 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4057 #else /* USDT2 */ |
| 4058 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4059 env, clazz); | |
| 4060 #endif /* USDT2 */ | |
|
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diff
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|
4061 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4062 //%note jni_2 |
| 6983 | 4063 if (k->oop_is_instance()) { |
|
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diff
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|
4064 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
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|
4065 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4066 if (m->is_native()) { |
| 4067 m->clear_native_function(); | |
| 4068 m->set_signature_handler(NULL); | |
| 4069 } | |
| 4070 } | |
| 4071 } | |
| 4006 | 4072 #ifndef USDT2 |
| 0 | 4073 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4074 #else /* USDT2 */ |
| 4075 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4076 0); | |
| 4077 #endif /* USDT2 */ | |
| 0 | 4078 return 0; |
| 4079 JNI_END | |
| 4080 | |
| 4081 // | |
| 4082 // Monitor functions | |
| 4083 // | |
| 4084 | |
| 4006 | 4085 #ifndef USDT2 |
| 0 | 4086 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4087 #else /* USDT2 */ |
| 4088 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4089 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4090 #endif /* USDT2 */ | |
| 0 | 4091 |
| 4092 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4093 #ifndef USDT2 |
| 0 | 4094 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4095 #else /* USDT2 */ |
| 4096 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4097 env, jobj); | |
| 4098 #endif /* USDT2 */ | |
| 0 | 4099 jint ret = JNI_ERR; |
| 4100 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4101 | |
| 4102 // If the object is null, we can't do anything with it | |
| 4103 if (jobj == NULL) { | |
| 4104 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4105 } | |
| 4106 | |
| 4107 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4108 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4109 ret = JNI_OK; | |
| 4110 return ret; | |
| 4111 JNI_END | |
| 4112 | |
| 4006 | 4113 #ifndef USDT2 |
| 0 | 4114 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4115 #else /* USDT2 */ |
| 4116 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4117 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4118 #endif /* USDT2 */ | |
| 0 | 4119 |
| 4120 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4121 #ifndef USDT2 |
| 0 | 4122 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4123 #else /* USDT2 */ |
| 4124 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4125 env, jobj); | |
| 4126 #endif /* USDT2 */ | |
| 0 | 4127 jint ret = JNI_ERR; |
| 4128 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4129 | |
| 4130 // Don't do anything with a null object | |
| 4131 if (jobj == NULL) { | |
| 4132 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4133 } | |
| 4134 | |
| 4135 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4136 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4137 | |
| 4138 ret = JNI_OK; | |
| 4139 return ret; | |
| 4140 JNI_END | |
| 4141 | |
| 4142 // | |
| 4143 // Extensions | |
| 4144 // | |
| 4145 | |
| 4006 | 4146 #ifndef USDT2 |
| 0 | 4147 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4148 #else /* USDT2 */ |
| 4149 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4150 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4151 #endif /* USDT2 */ | |
| 0 | 4152 |
| 4153 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4154 JNIWrapper("GetStringRegion"); | |
| 4006 | 4155 #ifndef USDT2 |
| 0 | 4156 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4157 #else /* USDT2 */ |
| 4158 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4159 env, string, start, len, buf); | |
| 4160 #endif /* USDT2 */ | |
| 0 | 4161 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4162 oop s = JNIHandles::resolve_non_null(string); | |
| 4163 int s_len = java_lang_String::length(s); | |
| 4164 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4165 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4166 } else { | |
| 4167 if (len > 0) { | |
| 4168 int s_offset = java_lang_String::offset(s); | |
| 4169 typeArrayOop s_value = java_lang_String::value(s); | |
| 4170 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4171 } | |
| 4172 } | |
| 4173 JNI_END | |
| 4174 | |
| 4006 | 4175 #ifndef USDT2 |
| 0 | 4176 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4177 #else /* USDT2 */ |
| 4178 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4179 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4180 #endif /* USDT2 */ | |
| 0 | 4181 |
| 4182 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4183 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4184 #ifndef USDT2 |
| 0 | 4185 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4186 #else /* USDT2 */ |
| 4187 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4188 env, string, start, len, buf); | |
| 4189 #endif /* USDT2 */ | |
| 0 | 4190 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4191 oop s = JNIHandles::resolve_non_null(string); | |
| 4192 int s_len = java_lang_String::length(s); | |
| 4193 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4194 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4195 } else { | |
| 4196 //%note jni_7 | |
| 4197 if (len > 0) { | |
| 4198 ResourceMark rm(THREAD); | |
| 4199 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4200 int utf_len = (int)strlen(utf_region); | |
| 4201 memcpy(buf, utf_region, utf_len); | |
| 4202 buf[utf_len] = 0; | |
| 4203 } else { | |
| 4204 // JDK null-terminates the buffer even in len is zero | |
| 4205 if (buf != NULL) { | |
| 4206 buf[0] = 0; | |
| 4207 } | |
| 4208 } | |
| 4209 } | |
| 4210 JNI_END | |
| 4211 | |
| 4212 | |
| 4213 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4214 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4215 #ifndef USDT2 |
| 0 | 4216 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4217 #else /* USDT2 */ |
| 4218 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4219 env, array, (uintptr_t *) isCopy); | |
| 4220 #endif /* USDT2 */ | |
| 0 | 4221 GC_locker::lock_critical(thread); |
| 4222 if (isCopy != NULL) { | |
| 4223 *isCopy = JNI_FALSE; | |
| 4224 } | |
| 4225 oop a = JNIHandles::resolve_non_null(array); | |
| 4226 assert(a->is_array(), "just checking"); | |
| 4227 BasicType type; | |
| 4228 if (a->is_objArray()) { | |
| 4229 type = T_OBJECT; | |
| 4230 } else { | |
|
6831
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8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
changeset
|
4231 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4232 } |
| 4233 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4234 #ifndef USDT2 |
| 0 | 4235 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4236 #else /* USDT2 */ |
| 4237 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4238 ret); | |
| 4239 #endif /* USDT2 */ | |
| 0 | 4240 return ret; |
| 4241 JNI_END | |
| 4242 | |
| 4243 | |
| 4244 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4245 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4246 #ifndef USDT2 |
| 0 | 4247 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4248 #else /* USDT2 */ |
| 4249 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4250 env, array, carray, mode); | |
| 4251 #endif /* USDT2 */ | |
| 0 | 4252 // The array, carray and mode arguments are ignored |
| 4253 GC_locker::unlock_critical(thread); | |
| 4006 | 4254 #ifndef USDT2 |
| 0 | 4255 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4256 #else /* USDT2 */ |
| 4257 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4258 ); | |
| 4259 #endif /* USDT2 */ | |
| 0 | 4260 JNI_END |
| 4261 | |
| 4262 | |
| 4263 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4264 JNIWrapper("GetStringCritical"); | |
| 4006 | 4265 #ifndef USDT2 |
| 0 | 4266 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4267 #else /* USDT2 */ |
| 4268 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4269 env, string, (uintptr_t *) isCopy); | |
| 4270 #endif /* USDT2 */ | |
| 0 | 4271 GC_locker::lock_critical(thread); |
| 4272 if (isCopy != NULL) { | |
| 4273 *isCopy = JNI_FALSE; | |
| 4274 } | |
| 4275 oop s = JNIHandles::resolve_non_null(string); | |
| 4276 int s_len = java_lang_String::length(s); | |
| 4277 typeArrayOop s_value = java_lang_String::value(s); | |
| 4278 int s_offset = java_lang_String::offset(s); | |
| 4279 const jchar* ret; | |
| 4280 if (s_len > 0) { | |
| 4281 ret = s_value->char_at_addr(s_offset); | |
| 4282 } else { | |
| 4283 ret = (jchar*) s_value->base(T_CHAR); | |
| 4284 } | |
| 4006 | 4285 #ifndef USDT2 |
| 0 | 4286 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4287 #else /* USDT2 */ |
| 4288 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4289 (uint16_t *) ret); | |
| 4290 #endif /* USDT2 */ | |
| 0 | 4291 return ret; |
| 4292 JNI_END | |
| 4293 | |
| 4294 | |
| 4295 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4296 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4297 #ifndef USDT2 |
| 0 | 4298 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4299 #else /* USDT2 */ |
| 4300 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4301 env, str, (uint16_t *) chars); | |
| 4302 #endif /* USDT2 */ | |
| 0 | 4303 // The str and chars arguments are ignored |
| 4304 GC_locker::unlock_critical(thread); | |
| 4006 | 4305 #ifndef USDT2 |
| 0 | 4306 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4307 #else /* USDT2 */ |
| 4308 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4309 ); | |
| 4310 #endif /* USDT2 */ | |
| 0 | 4311 JNI_END |
| 4312 | |
| 4313 | |
| 4314 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4315 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4316 #ifndef USDT2 |
| 0 | 4317 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4318 #else /* USDT2 */ |
| 4319 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4320 env, ref); | |
| 4321 #endif /* USDT2 */ | |
| 0 | 4322 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4323 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4324 #ifndef USDT2 |
| 0 | 4325 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4326 #else /* USDT2 */ |
| 4327 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4328 ret); | |
| 4329 #endif /* USDT2 */ | |
| 0 | 4330 return ret; |
| 4331 JNI_END | |
| 4332 | |
| 4333 // Must be JNI_ENTRY (with HandleMark) | |
| 4334 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4335 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4336 #ifndef USDT2 |
| 0 | 4337 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4338 #else /* USDT2 */ |
| 4339 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4340 env, ref); | |
| 4341 #endif /* USDT2 */ | |
| 0 | 4342 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4343 #ifndef USDT2 |
| 0 | 4344 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4345 #else /* USDT2 */ |
| 4346 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4347 ); | |
| 4348 #endif /* USDT2 */ | |
| 0 | 4349 JNI_END |
| 4350 | |
| 4351 | |
| 4352 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4353 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4354 #ifndef USDT2 |
| 0 | 4355 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4356 #else /* USDT2 */ |
| 4357 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4358 env); | |
| 4359 #endif /* USDT2 */ | |
| 0 | 4360 jni_check_async_exceptions(thread); |
| 4361 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4362 #ifndef USDT2 |
| 0 | 4363 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4364 #else /* USDT2 */ |
| 4365 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4366 ret); | |
| 4367 #endif /* USDT2 */ | |
| 0 | 4368 return ret; |
| 4369 JNI_END | |
| 4370 | |
| 4371 | |
| 4372 // Initialization state for three routines below relating to | |
| 4373 // java.nio.DirectBuffers | |
| 4374 static jint directBufferSupportInitializeStarted = 0; | |
| 4375 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4376 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4377 static jclass bufferClass = NULL; | |
| 4378 static jclass directBufferClass = NULL; | |
| 4379 static jclass directByteBufferClass = NULL; | |
| 4380 static jmethodID directByteBufferConstructor = NULL; | |
| 4381 static jfieldID directBufferAddressField = NULL; | |
| 4382 static jfieldID bufferCapacityField = NULL; | |
| 4383 | |
| 4384 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4385 Handle loader; // null (bootstrap) loader | |
| 4386 Handle protection_domain; // null protection domain | |
| 4387 | |
|
2177
3582bf76420e
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coleenp
parents:
1989
diff
changeset
|
4388 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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579
diff
changeset
|
4389 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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diff
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|
4390 |
|
715dceaa89b7
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acorn
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579
diff
changeset
|
4391 if (TraceClassResolution && result != NULL) { |
|
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diff
changeset
|
4392 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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579
diff
changeset
|
4393 } |
|
715dceaa89b7
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579
diff
changeset
|
4394 return result; |
| 0 | 4395 } |
| 4396 | |
| 4397 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4398 // circumvent any security checks that would be done by jni_FindClass. | |
| 4399 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4400 { | |
| 4401 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4402 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4403 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4404 return true; | |
| 4405 } | |
| 4406 JNI_END | |
| 4407 | |
| 4408 | |
| 4409 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4410 if (directBufferSupportInitializeFailed) { | |
| 4411 return false; | |
| 4412 } | |
| 4413 | |
| 4414 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4415 if (!lookupDirectBufferClasses(env)) { | |
| 4416 directBufferSupportInitializeFailed = 1; | |
| 4417 return false; | |
| 4418 } | |
| 4419 | |
| 4420 // Make global references for these | |
| 4421 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4422 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4423 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4424 | |
| 4425 // Get needed field and method IDs | |
| 4426 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4427 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4428 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4429 | |
| 4430 if ((directByteBufferConstructor == NULL) || | |
| 4431 (directBufferAddressField == NULL) || | |
| 4432 (bufferCapacityField == NULL)) { | |
| 4433 directBufferSupportInitializeFailed = 1; | |
| 4434 return false; | |
| 4435 } | |
| 4436 | |
| 4437 directBufferSupportInitializeEnded = 1; | |
| 4438 } else { | |
| 4439 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4440 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4441 // os::sleep which requires the VM state transition. On other platforms, it |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4442 // is not necessary. The following call to change the VM state is purposely |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4443 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4444 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4445 ThreadInVMfromNative tivn(thread); |
| 0 | 4446 os::yield_all(); |
| 4447 } | |
| 4448 } | |
| 4449 | |
| 4450 return !directBufferSupportInitializeFailed; | |
| 4451 } | |
| 4452 | |
| 4453 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4454 { | |
| 4455 // thread_from_jni_environment() will block if VM is gone. | |
| 4456 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4457 | |
| 4458 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4459 #ifndef USDT2 |
| 0 | 4460 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4461 #else /* USDT2 */ |
| 4462 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4463 env, address, capacity); | |
| 4464 #endif /* USDT2 */ | |
| 0 | 4465 |
| 4466 if (!directBufferSupportInitializeEnded) { | |
| 4467 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4468 #ifndef USDT2 |
| 0 | 4469 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4470 #else /* USDT2 */ |
| 4471 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4472 NULL); | |
| 4473 #endif /* USDT2 */ | |
| 0 | 4474 return NULL; |
| 4475 } | |
| 4476 } | |
| 4477 | |
| 4478 // Being paranoid about accidental sign extension on address | |
| 4479 jlong addr = (jlong) ((uintptr_t) address); | |
| 4480 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4481 // takes int capacity | |
| 4482 jint cap = (jint) capacity; | |
| 4483 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4484 #ifndef USDT2 |
| 0 | 4485 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4486 #else /* USDT2 */ |
| 4487 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4488 ret); | |
| 4489 #endif /* USDT2 */ | |
| 0 | 4490 return ret; |
| 4491 } | |
| 4492 | |
| 4006 | 4493 #ifndef USDT2 |
| 0 | 4494 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4495 #else /* USDT2 */ |
| 4496 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4497 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4498 #endif /* USDT2 */ | |
| 0 | 4499 |
| 4500 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4501 { | |
| 4502 // thread_from_jni_environment() will block if VM is gone. | |
| 4503 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4504 | |
| 4505 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4506 #ifndef USDT2 |
| 0 | 4507 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4508 #else /* USDT2 */ |
| 4509 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4510 env, buf); | |
| 4511 #endif /* USDT2 */ | |
| 0 | 4512 void* ret = NULL; |
| 4513 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4514 | |
| 4515 if (!directBufferSupportInitializeEnded) { | |
| 4516 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4517 return 0; | |
| 4518 } | |
| 4519 } | |
| 4520 | |
| 4521 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4522 return 0; | |
| 4523 } | |
| 4524 | |
| 4525 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4526 return ret; | |
| 4527 } | |
| 4528 | |
| 4006 | 4529 #ifndef USDT2 |
| 0 | 4530 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4531 #else /* USDT2 */ |
| 4532 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4533 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4534 #endif /* USDT2 */ | |
| 0 | 4535 |
| 4536 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4537 { | |
| 4538 // thread_from_jni_environment() will block if VM is gone. | |
| 4539 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4540 | |
| 4541 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4542 #ifndef USDT2 |
| 0 | 4543 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4544 #else /* USDT2 */ |
| 4545 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4546 env, buf); | |
| 4547 #endif /* USDT2 */ | |
| 0 | 4548 jlong ret = -1; |
| 4549 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4550 | |
| 4551 if (!directBufferSupportInitializeEnded) { | |
| 4552 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4553 ret = 0; | |
| 4554 return ret; | |
| 4555 } | |
| 4556 } | |
| 4557 | |
| 4558 if (buf == NULL) { | |
| 4559 return -1; | |
| 4560 } | |
| 4561 | |
| 4562 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4563 return -1; | |
| 4564 } | |
| 4565 | |
| 4566 // NOTE that capacity is currently an int in the implementation | |
| 4567 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4568 return ret; | |
| 4569 } | |
| 4570 | |
| 4571 | |
| 4572 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4573 JNIWrapper("GetVersion"); | |
| 4006 | 4574 #ifndef USDT2 |
| 0 | 4575 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4576 #else /* USDT2 */ |
| 4577 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4578 env); | |
| 4579 #endif /* USDT2 */ | |
| 4580 #ifndef USDT2 | |
| 0 | 4581 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4582 #else /* USDT2 */ |
| 4583 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4584 CurrentVersion); | |
| 4585 #endif /* USDT2 */ | |
| 0 | 4586 return CurrentVersion; |
| 4587 JNI_END | |
| 4588 | |
| 4589 extern struct JavaVM_ main_vm; | |
| 4590 | |
| 4591 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4592 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4593 #ifndef USDT2 |
| 0 | 4594 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4595 #else /* USDT2 */ |
| 4596 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4597 env, (void **) vm); | |
| 4598 #endif /* USDT2 */ | |
| 0 | 4599 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4600 #ifndef USDT2 |
| 0 | 4601 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4602 #else /* USDT2 */ |
| 4603 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4604 JNI_OK); | |
| 4605 #endif /* USDT2 */ | |
| 0 | 4606 return JNI_OK; |
| 4607 JNI_END | |
| 4608 | |
| 4609 // Structure containing all jni functions | |
| 4610 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4611 NULL, | |
| 4612 NULL, | |
| 4613 NULL, | |
| 4614 | |
| 4615 NULL, | |
| 4616 | |
| 4617 jni_GetVersion, | |
| 4618 | |
| 4619 jni_DefineClass, | |
| 4620 jni_FindClass, | |
| 4621 | |
| 4622 jni_FromReflectedMethod, | |
| 4623 jni_FromReflectedField, | |
| 4624 | |
| 4625 jni_ToReflectedMethod, | |
| 4626 | |
| 4627 jni_GetSuperclass, | |
| 4628 jni_IsAssignableFrom, | |
| 4629 | |
| 4630 jni_ToReflectedField, | |
| 4631 | |
| 4632 jni_Throw, | |
| 4633 jni_ThrowNew, | |
| 4634 jni_ExceptionOccurred, | |
| 4635 jni_ExceptionDescribe, | |
| 4636 jni_ExceptionClear, | |
| 4637 jni_FatalError, | |
| 4638 | |
| 4639 jni_PushLocalFrame, | |
| 4640 jni_PopLocalFrame, | |
| 4641 | |
| 4642 jni_NewGlobalRef, | |
| 4643 jni_DeleteGlobalRef, | |
| 4644 jni_DeleteLocalRef, | |
| 4645 jni_IsSameObject, | |
| 4646 | |
| 4647 jni_NewLocalRef, | |
| 4648 jni_EnsureLocalCapacity, | |
| 4649 | |
| 4650 jni_AllocObject, | |
| 4651 jni_NewObject, | |
| 4652 jni_NewObjectV, | |
| 4653 jni_NewObjectA, | |
| 4654 | |
| 4655 jni_GetObjectClass, | |
| 4656 jni_IsInstanceOf, | |
| 4657 | |
| 4658 jni_GetMethodID, | |
| 4659 | |
| 4660 jni_CallObjectMethod, | |
| 4661 jni_CallObjectMethodV, | |
| 4662 jni_CallObjectMethodA, | |
| 4663 jni_CallBooleanMethod, | |
| 4664 jni_CallBooleanMethodV, | |
| 4665 jni_CallBooleanMethodA, | |
| 4666 jni_CallByteMethod, | |
| 4667 jni_CallByteMethodV, | |
| 4668 jni_CallByteMethodA, | |
| 4669 jni_CallCharMethod, | |
| 4670 jni_CallCharMethodV, | |
| 4671 jni_CallCharMethodA, | |
| 4672 jni_CallShortMethod, | |
| 4673 jni_CallShortMethodV, | |
| 4674 jni_CallShortMethodA, | |
| 4675 jni_CallIntMethod, | |
| 4676 jni_CallIntMethodV, | |
| 4677 jni_CallIntMethodA, | |
| 4678 jni_CallLongMethod, | |
| 4679 jni_CallLongMethodV, | |
| 4680 jni_CallLongMethodA, | |
| 4681 jni_CallFloatMethod, | |
| 4682 jni_CallFloatMethodV, | |
| 4683 jni_CallFloatMethodA, | |
| 4684 jni_CallDoubleMethod, | |
| 4685 jni_CallDoubleMethodV, | |
| 4686 jni_CallDoubleMethodA, | |
| 4687 jni_CallVoidMethod, | |
| 4688 jni_CallVoidMethodV, | |
| 4689 jni_CallVoidMethodA, | |
| 4690 | |
| 4691 jni_CallNonvirtualObjectMethod, | |
| 4692 jni_CallNonvirtualObjectMethodV, | |
| 4693 jni_CallNonvirtualObjectMethodA, | |
| 4694 jni_CallNonvirtualBooleanMethod, | |
| 4695 jni_CallNonvirtualBooleanMethodV, | |
| 4696 jni_CallNonvirtualBooleanMethodA, | |
| 4697 jni_CallNonvirtualByteMethod, | |
| 4698 jni_CallNonvirtualByteMethodV, | |
| 4699 jni_CallNonvirtualByteMethodA, | |
| 4700 jni_CallNonvirtualCharMethod, | |
| 4701 jni_CallNonvirtualCharMethodV, | |
| 4702 jni_CallNonvirtualCharMethodA, | |
| 4703 jni_CallNonvirtualShortMethod, | |
| 4704 jni_CallNonvirtualShortMethodV, | |
| 4705 jni_CallNonvirtualShortMethodA, | |
| 4706 jni_CallNonvirtualIntMethod, | |
| 4707 jni_CallNonvirtualIntMethodV, | |
| 4708 jni_CallNonvirtualIntMethodA, | |
| 4709 jni_CallNonvirtualLongMethod, | |
| 4710 jni_CallNonvirtualLongMethodV, | |
| 4711 jni_CallNonvirtualLongMethodA, | |
| 4712 jni_CallNonvirtualFloatMethod, | |
| 4713 jni_CallNonvirtualFloatMethodV, | |
| 4714 jni_CallNonvirtualFloatMethodA, | |
| 4715 jni_CallNonvirtualDoubleMethod, | |
| 4716 jni_CallNonvirtualDoubleMethodV, | |
| 4717 jni_CallNonvirtualDoubleMethodA, | |
| 4718 jni_CallNonvirtualVoidMethod, | |
| 4719 jni_CallNonvirtualVoidMethodV, | |
| 4720 jni_CallNonvirtualVoidMethodA, | |
| 4721 | |
| 4722 jni_GetFieldID, | |
| 4723 | |
| 4724 jni_GetObjectField, | |
| 4725 jni_GetBooleanField, | |
| 4726 jni_GetByteField, | |
| 4727 jni_GetCharField, | |
| 4728 jni_GetShortField, | |
| 4729 jni_GetIntField, | |
| 4730 jni_GetLongField, | |
| 4731 jni_GetFloatField, | |
| 4732 jni_GetDoubleField, | |
| 4733 | |
| 4734 jni_SetObjectField, | |
| 4735 jni_SetBooleanField, | |
| 4736 jni_SetByteField, | |
| 4737 jni_SetCharField, | |
| 4738 jni_SetShortField, | |
| 4739 jni_SetIntField, | |
| 4740 jni_SetLongField, | |
| 4741 jni_SetFloatField, | |
| 4742 jni_SetDoubleField, | |
| 4743 | |
| 4744 jni_GetStaticMethodID, | |
| 4745 | |
| 4746 jni_CallStaticObjectMethod, | |
| 4747 jni_CallStaticObjectMethodV, | |
| 4748 jni_CallStaticObjectMethodA, | |
| 4749 jni_CallStaticBooleanMethod, | |
| 4750 jni_CallStaticBooleanMethodV, | |
| 4751 jni_CallStaticBooleanMethodA, | |
| 4752 jni_CallStaticByteMethod, | |
| 4753 jni_CallStaticByteMethodV, | |
| 4754 jni_CallStaticByteMethodA, | |
| 4755 jni_CallStaticCharMethod, | |
| 4756 jni_CallStaticCharMethodV, | |
| 4757 jni_CallStaticCharMethodA, | |
| 4758 jni_CallStaticShortMethod, | |
| 4759 jni_CallStaticShortMethodV, | |
| 4760 jni_CallStaticShortMethodA, | |
| 4761 jni_CallStaticIntMethod, | |
| 4762 jni_CallStaticIntMethodV, | |
| 4763 jni_CallStaticIntMethodA, | |
| 4764 jni_CallStaticLongMethod, | |
| 4765 jni_CallStaticLongMethodV, | |
| 4766 jni_CallStaticLongMethodA, | |
| 4767 jni_CallStaticFloatMethod, | |
| 4768 jni_CallStaticFloatMethodV, | |
| 4769 jni_CallStaticFloatMethodA, | |
| 4770 jni_CallStaticDoubleMethod, | |
| 4771 jni_CallStaticDoubleMethodV, | |
| 4772 jni_CallStaticDoubleMethodA, | |
| 4773 jni_CallStaticVoidMethod, | |
| 4774 jni_CallStaticVoidMethodV, | |
| 4775 jni_CallStaticVoidMethodA, | |
| 4776 | |
| 4777 jni_GetStaticFieldID, | |
| 4778 | |
| 4779 jni_GetStaticObjectField, | |
| 4780 jni_GetStaticBooleanField, | |
| 4781 jni_GetStaticByteField, | |
| 4782 jni_GetStaticCharField, | |
| 4783 jni_GetStaticShortField, | |
| 4784 jni_GetStaticIntField, | |
| 4785 jni_GetStaticLongField, | |
| 4786 jni_GetStaticFloatField, | |
| 4787 jni_GetStaticDoubleField, | |
| 4788 | |
| 4789 jni_SetStaticObjectField, | |
| 4790 jni_SetStaticBooleanField, | |
| 4791 jni_SetStaticByteField, | |
| 4792 jni_SetStaticCharField, | |
| 4793 jni_SetStaticShortField, | |
| 4794 jni_SetStaticIntField, | |
| 4795 jni_SetStaticLongField, | |
| 4796 jni_SetStaticFloatField, | |
| 4797 jni_SetStaticDoubleField, | |
| 4798 | |
| 4799 jni_NewString, | |
| 4800 jni_GetStringLength, | |
| 4801 jni_GetStringChars, | |
| 4802 jni_ReleaseStringChars, | |
| 4803 | |
| 4804 jni_NewStringUTF, | |
| 4805 jni_GetStringUTFLength, | |
| 4806 jni_GetStringUTFChars, | |
| 4807 jni_ReleaseStringUTFChars, | |
| 4808 | |
| 4809 jni_GetArrayLength, | |
| 4810 | |
| 4811 jni_NewObjectArray, | |
| 4812 jni_GetObjectArrayElement, | |
| 4813 jni_SetObjectArrayElement, | |
| 4814 | |
| 4815 jni_NewBooleanArray, | |
| 4816 jni_NewByteArray, | |
| 4817 jni_NewCharArray, | |
| 4818 jni_NewShortArray, | |
| 4819 jni_NewIntArray, | |
| 4820 jni_NewLongArray, | |
| 4821 jni_NewFloatArray, | |
| 4822 jni_NewDoubleArray, | |
| 4823 | |
| 4824 jni_GetBooleanArrayElements, | |
| 4825 jni_GetByteArrayElements, | |
| 4826 jni_GetCharArrayElements, | |
| 4827 jni_GetShortArrayElements, | |
| 4828 jni_GetIntArrayElements, | |
| 4829 jni_GetLongArrayElements, | |
| 4830 jni_GetFloatArrayElements, | |
| 4831 jni_GetDoubleArrayElements, | |
| 4832 | |
| 4833 jni_ReleaseBooleanArrayElements, | |
| 4834 jni_ReleaseByteArrayElements, | |
| 4835 jni_ReleaseCharArrayElements, | |
| 4836 jni_ReleaseShortArrayElements, | |
| 4837 jni_ReleaseIntArrayElements, | |
| 4838 jni_ReleaseLongArrayElements, | |
| 4839 jni_ReleaseFloatArrayElements, | |
| 4840 jni_ReleaseDoubleArrayElements, | |
| 4841 | |
| 4842 jni_GetBooleanArrayRegion, | |
| 4843 jni_GetByteArrayRegion, | |
| 4844 jni_GetCharArrayRegion, | |
| 4845 jni_GetShortArrayRegion, | |
| 4846 jni_GetIntArrayRegion, | |
| 4847 jni_GetLongArrayRegion, | |
| 4848 jni_GetFloatArrayRegion, | |
| 4849 jni_GetDoubleArrayRegion, | |
| 4850 | |
| 4851 jni_SetBooleanArrayRegion, | |
| 4852 jni_SetByteArrayRegion, | |
| 4853 jni_SetCharArrayRegion, | |
| 4854 jni_SetShortArrayRegion, | |
| 4855 jni_SetIntArrayRegion, | |
| 4856 jni_SetLongArrayRegion, | |
| 4857 jni_SetFloatArrayRegion, | |
| 4858 jni_SetDoubleArrayRegion, | |
| 4859 | |
| 4860 jni_RegisterNatives, | |
| 4861 jni_UnregisterNatives, | |
| 4862 | |
| 4863 jni_MonitorEnter, | |
| 4864 jni_MonitorExit, | |
| 4865 | |
| 4866 jni_GetJavaVM, | |
| 4867 | |
| 4868 jni_GetStringRegion, | |
| 4869 jni_GetStringUTFRegion, | |
| 4870 | |
| 4871 jni_GetPrimitiveArrayCritical, | |
| 4872 jni_ReleasePrimitiveArrayCritical, | |
| 4873 | |
| 4874 jni_GetStringCritical, | |
| 4875 jni_ReleaseStringCritical, | |
| 4876 | |
| 4877 jni_NewWeakGlobalRef, | |
| 4878 jni_DeleteWeakGlobalRef, | |
| 4879 | |
| 4880 jni_ExceptionCheck, | |
| 4881 | |
| 4882 jni_NewDirectByteBuffer, | |
| 4883 jni_GetDirectBufferAddress, | |
| 4884 jni_GetDirectBufferCapacity, | |
| 4885 | |
| 4886 // New 1_6 features | |
| 4887 | |
| 4888 jni_GetObjectRefType | |
| 4889 }; | |
| 4890 | |
| 4891 | |
| 4892 // For jvmti use to modify jni function table. | |
| 4893 // Java threads in native contiues to run until it is transitioned | |
| 4894 // to VM at safepoint. Before the transition or before it is blocked | |
| 4895 // for safepoint it may access jni function table. VM could crash if | |
| 4896 // any java thread access the jni function table in the middle of memcpy. | |
| 4897 // To avoid this each function pointers are copied automically. | |
| 4898 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4899 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4900 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4901 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4902 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4903 Atomic::store_ptr(*b++, a++); | |
| 4904 } | |
| 4905 } | |
| 4906 | |
| 4907 void quicken_jni_functions() { | |
| 4908 // Replace Get<Primitive>Field with fast versions | |
| 4909 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4910 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4911 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4912 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4913 // versions currently isn't certain for server vm on uniprocessor. | |
| 4914 && os::is_MP() | |
| 4915 #endif | |
| 4916 ) { | |
| 4917 address func; | |
| 4918 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4919 if (func != (address)-1) { | |
| 4920 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4921 } | |
| 4922 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4923 if (func != (address)-1) { | |
| 4924 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4925 } | |
| 4926 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4927 if (func != (address)-1) { | |
| 4928 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4929 } | |
| 4930 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4931 if (func != (address)-1) { | |
| 4932 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4933 } | |
| 4934 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4935 if (func != (address)-1) { | |
| 4936 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4937 } | |
| 4938 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4939 if (func != (address)-1) { | |
| 4940 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4941 } | |
| 4942 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4943 if (func != (address)-1) { | |
| 4944 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4945 } | |
| 4946 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4947 if (func != (address)-1) { | |
| 4948 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4949 } | |
| 4950 } | |
| 4951 } | |
| 4952 | |
| 4953 // Returns the function structure | |
| 4954 struct JNINativeInterface_* jni_functions() { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4955 #if INCLUDE_JNI_CHECK |
| 0 | 4956 if (CheckJNICalls) return jni_functions_check(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4957 #endif // INCLUDE_JNI_CHECK |
| 0 | 4958 return &jni_NativeInterface; |
| 4959 } | |
| 4960 | |
| 4961 // Returns the function structure | |
| 4962 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4963 return &jni_NativeInterface; | |
| 4964 } | |
| 4965 | |
| 4966 | |
| 4967 // Invocation API | |
| 4968 | |
| 4969 | |
| 4970 // Forward declaration | |
| 4971 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4972 | |
| 4973 // Global invocation API vars | |
| 4974 volatile jint vm_created = 0; | |
| 4975 // Indicate whether it is safe to recreate VM | |
| 4976 volatile jint safe_to_recreate_vm = 1; | |
| 4977 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 4978 | |
| 4979 | |
| 4980 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 4981 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 4982 | |
| 4006 | 4983 #ifndef USDT2 |
| 0 | 4984 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 4985 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 4986 #else /* USDT2 */ |
| 4987 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 4988 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 4989 #endif /* USDT2 */ | |
| 0 | 4990 |
| 4991 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 4992 #ifndef USDT2 |
| 0 | 4993 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 4994 #else /* USDT2 */ |
| 4995 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 4996 args_); | |
| 4997 #endif /* USDT2 */ | |
| 0 | 4998 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 4999 jint ret = JNI_ERR; | |
| 5000 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5001 | |
| 5002 if (Threads::is_supported_jni_version(args->version)) { | |
| 5003 ret = JNI_OK; | |
| 5004 } | |
| 5005 // 1.1 style no longer supported in hotspot. | |
| 5006 // According the JNI spec, we should update args->version on return. | |
| 5007 // We also use the structure to communicate with launcher about default | |
| 5008 // stack size. | |
| 5009 if (args->version == JNI_VERSION_1_1) { | |
| 5010 args->version = JNI_VERSION_1_2; | |
| 5011 // javaStackSize is int in arguments structure | |
| 5012 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5013 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5014 } | |
| 5015 return ret; | |
| 5016 } | |
| 5017 | |
| 3779 | 5018 #ifndef PRODUCT |
| 5019 | |
| 4708 | 5020 #include "gc_interface/collectedHeap.hpp" |
| 3779 | 5021 #include "utilities/quickSort.hpp" |
| 7171 | 5022 #if INCLUDE_VM_STRUCTS |
| 5023 #include "runtime/vmStructs.hpp" | |
| 5024 #endif | |
| 3779 | 5025 |
| 4708 | 5026 #define run_unit_test(unit_test_function_call) \ |
| 5027 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5028 unit_test_function_call | |
| 5029 | |
| 3779 | 5030 void execute_internal_vm_tests() { |
| 5031 if (ExecuteInternalVMTests) { | |
| 4708 | 5032 tty->print_cr("Running internal VM tests"); |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
5033 run_unit_test(GlobalDefinitions::test_globals()); |
| 4708 | 5034 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 5035 run_unit_test(CollectedHeap::test_is_in()); | |
| 5036 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 5037 run_unit_test(AltHashing::test_alt_hash()); |
| 7171 | 5038 #if INCLUDE_VM_STRUCTS |
| 5039 run_unit_test(VMStructs::test()); | |
| 5040 #endif | |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5041 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5042 } |
| 5043 } | |
| 5044 | |
| 4708 | 5045 #undef run_unit_test |
| 5046 | |
| 3779 | 5047 #endif |
| 5048 | |
| 4006 | 5049 #ifndef USDT2 |
| 0 | 5050 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5051 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5052 #else /* USDT2 */ |
| 5053 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5054 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5055 #endif /* USDT2 */ | |
| 0 | 5056 |
| 5057 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5058 #ifndef USDT2 |
| 0 | 5059 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5060 #else /* USDT2 */ |
| 5061 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5062 (void **) vm, penv, args); | |
| 5063 #endif /* USDT2 */ | |
| 0 | 5064 |
| 5065 jint result = JNI_ERR; | |
| 5066 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5067 | |
| 1078 | 5068 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5069 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5070 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5071 // on all architectures. So we check it works before relying on it. | |
| 5072 #if defined(ZERO) && defined(ASSERT) | |
| 5073 { | |
| 5074 jint a = 0xcafebabe; | |
| 5075 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5076 void *c = &a; | |
| 5077 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5078 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5079 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5080 } | |
| 5081 #endif // ZERO && ASSERT | |
| 5082 | |
| 0 | 5083 // At the moment it's only possible to have one Java VM, |
| 5084 // since some of the runtime state is in global variables. | |
| 5085 | |
| 5086 // We cannot use our mutex locks here, since they only work on | |
| 5087 // Threads. We do an atomic compare and exchange to ensure only | |
| 5088 // one thread can call this method at a time | |
| 5089 | |
| 5090 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5091 // the add/dec implementations are dependent on whether we are running | |
| 5092 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5093 // function used to determine this will always return false. Atomic::xchg | |
| 5094 // does not have this problem. | |
| 5095 if (Atomic::xchg(1, &vm_created) == 1) { | |
| 5096 return JNI_ERR; // already created, or create attempt in progress | |
| 5097 } | |
| 5098 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5099 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5100 } | |
| 5101 | |
| 5102 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5103 | |
| 5104 /** | |
| 5105 * Certain errors during initialization are recoverable and do not | |
| 5106 * prevent this method from being called again at a later time | |
| 5107 * (perhaps with different arguments). However, at a certain | |
| 5108 * point during initialization if an error occurs we cannot allow | |
| 5109 * this function to be called again (or it will crash). In those | |
| 5110 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5111 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5112 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5113 */ | |
| 5114 bool can_try_again = true; | |
| 5115 | |
| 5116 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5117 if (result == JNI_OK) { | |
| 5118 JavaThread *thread = JavaThread::current(); | |
| 5119 /* thread is thread_in_vm here */ | |
| 5120 *vm = (JavaVM *)(&main_vm); | |
| 5121 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5122 | |
|
4368
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Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5123 #ifdef GRAAL |
|
7126
ce248dc0a656
removed all Graal modifications to ci and c1
Doug Simon <doug.simon@oracle.com>
parents:
7100
diff
changeset
|
5124 GraalCompiler* graal_compiler = GraalCompiler::instance(); |
|
ce248dc0a656
removed all Graal modifications to ci and c1
Doug Simon <doug.simon@oracle.com>
parents:
7100
diff
changeset
|
5125 graal_compiler->initialize(); |
|
4368
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Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5126 #endif |
|
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5127 |
| 0 | 5128 // Tracks the time application was running before GC |
| 5129 RuntimeService::record_application_start(); | |
| 5130 | |
| 5131 // Notify JVMTI | |
| 5132 if (JvmtiExport::should_post_thread_life()) { | |
| 5133 JvmtiExport::post_thread_start(thread); | |
| 5134 } | |
|
4800
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4708
diff
changeset
|
5135 |
|
94ec88ca68e2
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4708
diff
changeset
|
5136 EVENT_BEGIN(TraceEventThreadStart, event); |
|
94ec88ca68e2
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phh
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4708
diff
changeset
|
5137 EVENT_COMMIT(event, |
|
94ec88ca68e2
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parents:
4708
diff
changeset
|
5138 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
94ec88ca68e2
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diff
changeset
|
5139 |
| 0 | 5140 // Check if we should compile all classes on bootclasspath |
| 5141 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
|
6972
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6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
5142 NOT_PRODUCT(if (ReplayCompiles) ciReplay::replay(thread);) |
| 0 | 5143 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5144 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5145 } else { | |
| 5146 if (can_try_again) { | |
| 5147 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5148 safe_to_recreate_vm = 1; | |
| 5149 } | |
| 5150 | |
| 5151 // Creation failed. We must reset vm_created | |
| 5152 *vm = 0; | |
| 5153 *(JNIEnv**)penv = 0; | |
| 5154 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5155 // control both compiler and architectural-based reordering. | |
| 5156 OrderAccess::release_store(&vm_created, 0); | |
| 5157 } | |
| 5158 | |
|
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1290
diff
changeset
|
5159 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
| 3779 | 5160 NOT_PRODUCT(execute_internal_vm_tests()); |
| 0 | 5161 return result; |
| 5162 } | |
| 5163 | |
| 4006 | 5164 #ifndef USDT2 |
| 0 | 5165 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5166 JavaVM**, jsize, jsize*); | |
| 5167 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5168 #endif /* !USDT2 */ |
| 0 | 5169 |
| 5170 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5171 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5172 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5173 #ifndef USDT2 |
| 0 | 5174 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5175 vm_buf, bufLen, numVMs); | |
| 4006 | 5176 #else /* USDT2 */ |
| 5177 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5178 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5179 #endif /* USDT2 */ | |
| 0 | 5180 if (vm_created) { |
| 5181 if (numVMs != NULL) *numVMs = 1; | |
| 5182 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5183 } else { | |
| 5184 if (numVMs != NULL) *numVMs = 0; | |
| 5185 } | |
| 4006 | 5186 #ifndef USDT2 |
| 0 | 5187 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5188 #else /* USDT2 */ |
| 5189 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5190 JNI_OK); | |
| 5191 #endif /* USDT2 */ | |
| 0 | 5192 return JNI_OK; |
| 5193 } | |
| 5194 | |
| 5195 extern "C" { | |
| 5196 | |
| 4006 | 5197 #ifndef USDT2 |
| 0 | 5198 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5199 #else /* USDT2 */ |
| 5200 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5201 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5202 #endif /* USDT2 */ | |
| 0 | 5203 |
| 5204 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5205 #ifndef USDT2 |
| 0 | 5206 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5207 #else /* USDT2 */ |
| 5208 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5209 vm); | |
| 5210 #endif /* USDT2 */ | |
| 0 | 5211 jint res = JNI_ERR; |
| 5212 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5213 | |
| 5214 if (!vm_created) { | |
| 5215 res = JNI_ERR; | |
| 5216 return res; | |
| 5217 } | |
| 5218 | |
| 5219 JNIWrapper("DestroyJavaVM"); | |
| 5220 JNIEnv *env; | |
| 5221 JavaVMAttachArgs destroyargs; | |
| 5222 destroyargs.version = CurrentVersion; | |
| 5223 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5224 destroyargs.group = NULL; | |
| 5225 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5226 if (res != JNI_OK) { | |
| 5227 return res; | |
| 5228 } | |
| 5229 | |
| 5230 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5231 JavaThread* thread = JavaThread::current(); | |
| 5232 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5233 if (Threads::destroy_vm()) { | |
| 5234 // Should not change thread state, VM is gone | |
| 5235 vm_created = false; | |
| 5236 res = JNI_OK; | |
| 5237 return res; | |
| 5238 } else { | |
| 5239 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5240 res = JNI_ERR; | |
| 5241 return res; | |
| 5242 } | |
| 5243 } | |
| 5244 | |
| 5245 | |
| 5246 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5247 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5248 | |
| 5249 // Check below commented out from JDK1.2fcs as well | |
| 5250 /* | |
| 5251 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5252 return JNI_EVERSION; | |
| 5253 } | |
| 5254 */ | |
| 5255 | |
| 5256 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5257 if (t != NULL) { | |
| 5258 // If the thread has been attached this operation is a no-op | |
| 5259 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5260 return JNI_OK; | |
| 5261 } | |
| 5262 | |
| 5263 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5264 // ThreadsListEnumerator - see CR 6404306 | |
| 5265 JavaThread* thread = new JavaThread(true); | |
| 5266 | |
| 5267 // Set correct safepoint info. The thread is going to call into Java when | |
| 5268 // initializing the Java level thread object. Hence, the correct state must | |
| 5269 // be set in order for the Safepoint code to deal with it correctly. | |
| 5270 thread->set_thread_state(_thread_in_vm); | |
| 5271 // Must do this before initialize_thread_local_storage | |
| 5272 thread->record_stack_base_and_size(); | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5273 |
| 0 | 5274 thread->initialize_thread_local_storage(); |
| 5275 | |
| 5276 if (!os::create_attached_thread(thread)) { | |
| 5277 delete thread; | |
| 5278 return JNI_ERR; | |
| 5279 } | |
|
1290
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diff
changeset
|
5280 // Enable stack overflow checks |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5281 thread->create_stack_guard_pages(); |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
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1142
diff
changeset
|
5282 |
| 0 | 5283 thread->initialize_tlab(); |
| 5284 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5285 thread->cache_global_variables(); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5286 |
| 0 | 5287 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5288 // not been added to the Thread list yet. | |
| 5289 { Threads_lock->lock_without_safepoint_check(); | |
| 5290 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5291 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5292 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5293 Threads::add(thread, daemon); | |
| 5294 Threads_lock->unlock(); | |
| 5295 } | |
| 5296 // Create thread group and name info from attach arguments | |
| 5297 oop group = NULL; | |
| 5298 char* thread_name = NULL; | |
| 5299 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5300 group = JNIHandles::resolve(args->group); | |
| 5301 thread_name = args->name; // may be NULL | |
| 5302 } | |
| 5303 if (group == NULL) group = Universe::main_thread_group(); | |
| 5304 | |
| 5305 // Create Java level thread object and attach it to this thread | |
| 5306 bool attach_failed = false; | |
| 5307 { | |
| 5308 EXCEPTION_MARK; | |
| 5309 HandleMark hm(THREAD); | |
| 5310 Handle thread_group(THREAD, group); | |
| 5311 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5312 if (HAS_PENDING_EXCEPTION) { | |
| 5313 CLEAR_PENDING_EXCEPTION; | |
| 5314 // cleanup outside the handle mark. | |
| 5315 attach_failed = true; | |
| 5316 } | |
| 5317 } | |
| 5318 | |
| 5319 if (attach_failed) { | |
| 5320 // Added missing cleanup | |
| 5321 thread->cleanup_failed_attach_current_thread(); | |
| 5322 return JNI_ERR; | |
| 5323 } | |
| 5324 | |
| 5325 // mark the thread as no longer attaching | |
| 5326 // this uses a fence to push the change through so we don't have | |
| 5327 // to regrab the threads_lock | |
| 4006 | 5328 thread->set_done_attaching_via_jni(); |
| 0 | 5329 |
| 5330 // Set java thread status. | |
| 5331 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5332 java_lang_Thread::RUNNABLE); | |
| 5333 | |
| 5334 // Notify the debugger | |
| 5335 if (JvmtiExport::should_post_thread_life()) { | |
| 5336 JvmtiExport::post_thread_start(thread); | |
| 5337 } | |
| 5338 | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
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parents:
4708
diff
changeset
|
5339 EVENT_BEGIN(TraceEventThreadStart, event); |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5340 EVENT_COMMIT(event, |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
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parents:
4708
diff
changeset
|
5341 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
94ec88ca68e2
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4708
diff
changeset
|
5342 |
| 0 | 5343 *(JNIEnv**)penv = thread->jni_environment(); |
| 5344 | |
| 5345 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5346 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5347 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5348 // needed. | |
| 5349 | |
| 5350 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5351 | |
| 5352 // Perform any platform dependent FPU setup | |
| 5353 os::setup_fpu(); | |
| 5354 | |
| 5355 return JNI_OK; | |
| 5356 } | |
| 5357 | |
| 5358 | |
| 5359 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5360 #ifndef USDT2 |
| 0 | 5361 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5362 #else /* USDT2 */ |
| 5363 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5364 vm, penv, _args); | |
| 5365 #endif /* USDT2 */ | |
| 0 | 5366 if (!vm_created) { |
| 4006 | 5367 #ifndef USDT2 |
| 0 | 5368 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5369 #else /* USDT2 */ |
| 5370 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5371 (uint32_t) JNI_ERR); | |
| 5372 #endif /* USDT2 */ | |
| 0 | 5373 return JNI_ERR; |
| 5374 } | |
| 5375 | |
| 5376 JNIWrapper("AttachCurrentThread"); | |
| 5377 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5378 #ifndef USDT2 |
| 0 | 5379 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5380 #else /* USDT2 */ |
| 5381 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5382 ret); | |
| 5383 #endif /* USDT2 */ | |
| 0 | 5384 return ret; |
| 5385 } | |
| 5386 | |
| 5387 | |
| 5388 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5389 #ifndef USDT2 |
| 0 | 5390 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5391 #else /* USDT2 */ |
| 5392 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5393 vm); | |
| 5394 #endif /* USDT2 */ | |
| 0 | 5395 VM_Exit::block_if_vm_exited(); |
| 5396 | |
| 5397 JNIWrapper("DetachCurrentThread"); | |
| 5398 | |
| 5399 // If the thread has been deattacted the operations is a no-op | |
| 5400 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5401 #ifndef USDT2 |
| 0 | 5402 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5403 #else /* USDT2 */ |
| 5404 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5405 JNI_OK); | |
| 5406 #endif /* USDT2 */ | |
| 0 | 5407 return JNI_OK; |
| 5408 } | |
| 5409 | |
| 5410 JavaThread* thread = JavaThread::current(); | |
| 5411 if (thread->has_last_Java_frame()) { | |
| 4006 | 5412 #ifndef USDT2 |
| 0 | 5413 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5414 #else /* USDT2 */ |
| 5415 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5416 (uint32_t) JNI_ERR); | |
| 5417 #endif /* USDT2 */ | |
| 0 | 5418 // Can't detach a thread that's running java, that can't work. |
| 5419 return JNI_ERR; | |
| 5420 } | |
| 5421 | |
| 5422 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5423 // middel of a safepoint operation | |
| 5424 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5425 | |
| 5426 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5427 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5428 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5429 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5430 // the removal of the guards is buried below in JavaThread::exit() | |
| 5431 // here. The abstraction should be more symmetrically either exposed | |
| 5432 // or hidden (e.g. it could probably be hidden in the same | |
| 5433 // (platform-dependent) methods where we do alternate stack | |
| 5434 // maintenance work?) | |
| 5435 thread->exit(false, JavaThread::jni_detach); | |
| 5436 delete thread; | |
| 5437 | |
| 4006 | 5438 #ifndef USDT2 |
| 0 | 5439 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5440 #else /* USDT2 */ |
| 5441 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5442 JNI_OK); | |
| 5443 #endif /* USDT2 */ | |
| 0 | 5444 return JNI_OK; |
| 5445 } | |
| 5446 | |
| 4006 | 5447 #ifndef USDT2 |
| 0 | 5448 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5449 #else /* USDT2 */ |
| 5450 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5451 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5452 #endif /* USDT2 */ | |
| 0 | 5453 |
| 5454 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5455 #ifndef USDT2 |
| 0 | 5456 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5457 #else /* USDT2 */ |
| 5458 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5459 vm, penv, version); | |
| 5460 #endif /* USDT2 */ | |
| 0 | 5461 jint ret = JNI_ERR; |
| 5462 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5463 | |
| 5464 if (!vm_created) { | |
| 5465 *penv = NULL; | |
| 5466 ret = JNI_EDETACHED; | |
| 5467 return ret; | |
| 5468 } | |
| 5469 | |
|
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changeset
|
5470 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5471 return ret; |
| 5472 } | |
| 5473 | |
| 5474 #ifndef JVMPI_VERSION_1 | |
| 5475 // need these in order to be polite about older agents | |
| 5476 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5477 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5478 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5479 #endif // !JVMPI_VERSION_1 | |
| 5480 | |
| 5481 Thread* thread = ThreadLocalStorage::thread(); | |
| 5482 if (thread != NULL && thread->is_Java_thread()) { | |
| 5483 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5484 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5485 ret = JNI_OK; | |
| 5486 return ret; | |
| 5487 | |
| 5488 } else if (version == JVMPI_VERSION_1 || | |
| 5489 version == JVMPI_VERSION_1_1 || | |
| 5490 version == JVMPI_VERSION_1_2) { | |
| 5491 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5492 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5493 ret = JNI_EVERSION; | |
| 5494 return ret; | |
| 5495 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5496 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5497 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5498 ret = JNI_EVERSION; | |
| 5499 return ret; | |
| 5500 } else { | |
| 5501 *penv = NULL; | |
| 5502 ret = JNI_EVERSION; | |
| 5503 return ret; | |
| 5504 } | |
| 5505 } else { | |
| 5506 *penv = NULL; | |
| 5507 ret = JNI_EDETACHED; | |
| 5508 return ret; | |
| 5509 } | |
| 5510 } | |
| 5511 | |
| 5512 | |
| 5513 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5514 #ifndef USDT2 |
| 0 | 5515 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5516 #else /* USDT2 */ |
| 5517 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5518 vm, penv, _args); | |
| 5519 #endif /* USDT2 */ | |
| 0 | 5520 if (!vm_created) { |
| 4006 | 5521 #ifndef USDT2 |
| 0 | 5522 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5523 #else /* USDT2 */ |
| 5524 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5525 (uint32_t) JNI_ERR); | |
| 5526 #endif /* USDT2 */ | |
| 0 | 5527 return JNI_ERR; |
| 5528 } | |
| 5529 | |
| 5530 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5531 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5532 #ifndef USDT2 |
| 0 | 5533 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5534 #else /* USDT2 */ |
| 5535 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5536 ret); | |
| 5537 #endif /* USDT2 */ | |
| 0 | 5538 return ret; |
| 5539 } | |
| 5540 | |
| 5541 | |
| 5542 } // End extern "C" | |
| 5543 | |
| 5544 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5545 NULL, | |
| 5546 NULL, | |
| 5547 NULL, | |
| 5548 | |
| 5549 jni_DestroyJavaVM, | |
| 5550 jni_AttachCurrentThread, | |
| 5551 jni_DetachCurrentThread, | |
| 5552 jni_GetEnv, | |
| 5553 jni_AttachCurrentThreadAsDaemon | |
| 5554 }; |