Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 15603:b7fb36e57da8
made Graal initialization be driven from Java to simplify sequencing and synchronization
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Mon, 12 May 2014 23:27:07 +0200 |
| parents | 063ec2920d21 |
| children | 66a9286203a2 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 14909 | 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 #include "graal/graalVMToCompiler.hpp" |
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39 #endif |
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40 #if INCLUDE_ALL_GCS |
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41 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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42 #endif // INCLUDE_ALL_GCS |
| 6197 | 43 #include "memory/allocation.hpp" |
| 1972 | 44 #include "memory/allocation.inline.hpp" |
| 45 #include "memory/gcLocker.inline.hpp" | |
| 46 #include "memory/oopFactory.hpp" | |
| 47 #include "memory/universe.inline.hpp" | |
| 48 #include "oops/instanceKlass.hpp" | |
| 49 #include "oops/instanceOop.hpp" | |
| 50 #include "oops/markOop.hpp" | |
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51 #include "oops/method.hpp" |
| 1972 | 52 #include "oops/objArrayKlass.hpp" |
| 53 #include "oops/objArrayOop.hpp" | |
| 54 #include "oops/oop.inline.hpp" | |
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55 #include "oops/symbol.hpp" |
| 1972 | 56 #include "oops/typeArrayKlass.hpp" |
| 57 #include "oops/typeArrayOop.hpp" | |
| 58 #include "prims/jni.h" | |
| 59 #include "prims/jniCheck.hpp" | |
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60 #include "prims/jniExport.hpp" |
| 1972 | 61 #include "prims/jniFastGetField.hpp" |
| 62 #include "prims/jvm.h" | |
| 63 #include "prims/jvm_misc.hpp" | |
| 64 #include "prims/jvmtiExport.hpp" | |
| 65 #include "prims/jvmtiThreadState.hpp" | |
| 66 #include "runtime/compilationPolicy.hpp" | |
| 67 #include "runtime/fieldDescriptor.hpp" | |
| 68 #include "runtime/fprofiler.hpp" | |
| 69 #include "runtime/handles.inline.hpp" | |
| 70 #include "runtime/interfaceSupport.hpp" | |
| 71 #include "runtime/java.hpp" | |
| 72 #include "runtime/javaCalls.hpp" | |
| 73 #include "runtime/jfieldIDWorkaround.hpp" | |
| 74 #include "runtime/reflection.hpp" | |
| 75 #include "runtime/sharedRuntime.hpp" | |
| 76 #include "runtime/signature.hpp" | |
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77 #include "runtime/thread.inline.hpp" |
| 1972 | 78 #include "runtime/vm_operations.hpp" |
| 79 #include "services/runtimeService.hpp" | |
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80 #include "trace/tracing.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 | |
| 14909 | 121 #ifndef USDT2 |
| 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 | |
| 146 #else /* USDT2 */ | |
| 147 | |
| 4006 | 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 ) | |
| 14909 | 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) | |
| 14909 | 198 #ifndef USDT2 |
| 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) ) | |
| 202 #else /* USDT2 */ | |
| 4006 | 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) ) | |
| 14909 | 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 | |
| 14909 | 365 #ifndef USDT2 |
| 366 DT_RETURN_MARK_DECL(DefineClass, jclass); | |
| 367 #else /* USDT2 */ | |
| 4006 | 368 DT_RETURN_MARK_DECL(DefineClass, jclass |
| 369 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 14909 | 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 | |
| 14909 | 376 #ifndef USDT2 |
| 377 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, | |
| 378 env, name, loaderRef, buf, bufLen); | |
| 379 #else /* USDT2 */ | |
| 4006 | 380 HOTSPOT_JNI_DEFINECLASS_ENTRY( |
| 381 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 14909 | 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 | |
| 14909 | 428 #ifndef USDT2 |
| 429 DT_RETURN_MARK_DECL(FindClass, jclass); | |
| 430 #else /* USDT2 */ | |
| 4006 | 431 DT_RETURN_MARK_DECL(FindClass, jclass |
| 432 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 14909 | 433 #endif /* USDT2 */ |
| 0 | 434 |
| 435 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 436 JNIWrapper("FindClass"); | |
| 14909 | 437 #ifndef USDT2 |
| 438 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); | |
| 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 | |
| 14909 | 506 #ifndef USDT2 |
| 507 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); | |
| 508 #else /* USDT2 */ | |
| 4006 | 509 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID |
| 510 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 14909 | 511 #endif /* USDT2 */ |
| 0 | 512 |
| 513 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 514 JNIWrapper("FromReflectedMethod"); | |
| 14909 | 515 #ifndef USDT2 |
| 516 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); | |
| 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 | |
| 14909 | 547 #ifndef USDT2 |
| 548 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); | |
| 549 #else /* USDT2 */ | |
| 4006 | 550 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID |
| 551 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 14909 | 552 #endif /* USDT2 */ |
| 0 | 553 |
| 554 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 555 JNIWrapper("FromReflectedField"); | |
| 14909 | 556 #ifndef USDT2 |
| 557 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); | |
| 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 | |
| 14909 | 596 #ifndef USDT2 |
| 597 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); | |
| 598 #else /* USDT2 */ | |
| 4006 | 599 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject |
| 600 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 14909 | 601 #endif /* USDT2 */ |
| 0 | 602 |
| 603 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 604 JNIWrapper("ToReflectedMethod"); | |
| 14909 | 605 #ifndef USDT2 |
| 606 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); | |
| 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 | |
| 14909 | 626 #ifndef USDT2 |
| 627 DT_RETURN_MARK_DECL(GetSuperclass, jclass); | |
| 628 #else /* USDT2 */ | |
| 4006 | 629 DT_RETURN_MARK_DECL(GetSuperclass, jclass |
| 630 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 14909 | 631 #endif /* USDT2 */ |
| 0 | 632 |
| 633 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 634 JNIWrapper("GetSuperclass"); | |
| 14909 | 635 #ifndef USDT2 |
| 636 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); | |
| 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"); | |
| 14909 | 669 #ifndef USDT2 |
| 670 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); | |
| 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); | |
| 14909 | 680 #ifndef USDT2 |
| 681 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); | |
| 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; |
| 14909 | 693 #ifndef USDT2 |
| 694 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); | |
| 695 #else /* USDT2 */ | |
| 696 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 697 ret); | |
| 698 #endif /* USDT2 */ | |
| 0 | 699 return ret; |
| 700 JNI_END | |
| 701 | |
| 14909 | 702 #ifndef USDT2 |
| 703 DT_RETURN_MARK_DECL(Throw, jint); | |
| 704 #else /* USDT2 */ | |
| 4006 | 705 DT_RETURN_MARK_DECL(Throw, jint |
| 706 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 14909 | 707 #endif /* USDT2 */ |
| 0 | 708 |
| 709 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 710 JNIWrapper("Throw"); | |
| 14909 | 711 #ifndef USDT2 |
| 712 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); | |
| 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 | |
| 14909 | 724 #ifndef USDT2 |
| 725 DT_RETURN_MARK_DECL(ThrowNew, jint); | |
| 726 #else /* USDT2 */ | |
| 4006 | 727 DT_RETURN_MARK_DECL(ThrowNew, jint |
| 728 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 14909 | 729 #endif /* USDT2 */ |
| 0 | 730 |
| 731 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 732 JNIWrapper("ThrowNew"); | |
| 14909 | 733 #ifndef USDT2 |
| 734 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); | |
| 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"); | |
| 14909 | 767 #ifndef USDT2 |
| 768 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); | |
| 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); | |
| 14909 | 776 #ifndef USDT2 |
| 777 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); | |
| 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"); | |
| 14909 | 788 #ifndef USDT2 |
| 789 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); | |
| 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 } | |
| 14909 | 829 #ifndef USDT2 |
| 830 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); | |
| 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"); | |
| 14909 | 840 #ifndef USDT2 |
| 841 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); | |
| 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(); | |
| 14909 | 854 #ifndef USDT2 |
| 855 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); | |
| 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"); | |
| 14909 | 865 #ifndef USDT2 |
| 866 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); | |
| 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"); | |
| 14909 | 879 #ifndef USDT2 |
| 880 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); | |
| 881 #else /* USDT2 */ | |
| 882 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 883 env, capacity); | |
| 884 #endif /* USDT2 */ | |
| 0 | 885 //%note jni_11 |
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886 if (capacity < 0 || capacity > MAX_REASONABLE_LOCAL_CAPACITY) { |
| 14909 | 887 #ifndef USDT2 |
| 888 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); | |
| 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; | |
| 14909 | 901 #ifndef USDT2 |
| 902 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); | |
| 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"); | |
| 14909 | 913 #ifndef USDT2 |
| 914 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); | |
| 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 } | |
| 14909 | 933 #ifndef USDT2 |
| 934 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); | |
| 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"); | |
| 14909 | 945 #ifndef USDT2 |
| 946 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); | |
| 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); | |
| 14909 | 953 #ifndef USDT2 |
| 954 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); | |
| 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"); | |
| 14909 | 965 #ifndef USDT2 |
| 966 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); | |
| 967 #else /* USDT2 */ | |
| 968 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 969 env, ref); | |
| 970 #endif /* USDT2 */ | |
| 0 | 971 JNIHandles::destroy_global(ref); |
| 14909 | 972 #ifndef USDT2 |
| 973 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); | |
| 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"); | |
| 14909 | 982 #ifndef USDT2 |
| 983 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); | |
| 984 #else /* USDT2 */ | |
| 985 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 986 env, obj); | |
| 987 #endif /* USDT2 */ | |
| 0 | 988 JNIHandles::destroy_local(obj); |
| 14909 | 989 #ifndef USDT2 |
| 990 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); | |
| 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"); | |
| 14909 | 999 #ifndef USDT2 |
| 1000 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); | |
| 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; | |
| 14909 | 1008 #ifndef USDT2 |
| 1009 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); | |
| 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"); | |
| 14909 | 1020 #ifndef USDT2 |
| 1021 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); | |
| 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)); |
| 14909 | 1027 #ifndef USDT2 |
| 1028 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); | |
| 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"); | |
| 14909 | 1038 #ifndef USDT2 |
| 1039 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); | |
| 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 } | |
| 14909 | 1050 #ifndef USDT2 |
| 1051 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); | |
| 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"); | |
| 14909 | 1062 #ifndef USDT2 |
| 1063 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); | |
| 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; | |
| 14909 | 1078 #ifndef USDT2 |
| 1079 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); | |
| 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. | |
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1343 assert(!m->has_itable_index(), ""); |
| 0 | 1344 int vtbl_index = m->vtable_index(); |
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1345 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1346 Klass* k = h_recv->klass(); |
| 0 | 1347 // k might be an arrayKlassOop but all vtables start at |
| 1348 // the same place. The cast is to avoid virtual call and assertion. | |
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1349 InstanceKlass *ik = (InstanceKlass*)k; |
| 0 | 1350 selected_method = ik->method_at_vtable(vtbl_index); |
| 1351 } else { | |
| 1352 // final method | |
| 1353 selected_method = m; | |
| 1354 } | |
| 1355 } else { | |
| 1356 // JNI_NONVIRTUAL call | |
| 1357 selected_method = m; | |
| 1358 } | |
| 1359 } else { | |
| 1360 // interface call | |
| 1361 KlassHandle h_holder(THREAD, holder); | |
| 1362 | |
| 14909 | 1363 int itbl_index = m->itable_index(); |
| 1364 Klass* k = h_recv->klass(); | |
| 1365 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
| 0 | 1366 } |
| 1367 } | |
| 1368 | |
| 1369 methodHandle method(THREAD, selected_method); | |
| 1370 | |
| 1371 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1372 // the jni parser | |
| 1373 ResourceMark rm(THREAD); | |
| 1374 JavaCallArguments java_args(number_of_parameters); | |
| 1375 args->set_java_argument_object(&java_args); | |
| 1376 | |
| 1377 // handle arguments | |
| 1378 assert(!method->is_static(), "method should not be static"); | |
| 1379 args->push_receiver(h_recv); // Push jobject handle | |
| 1380 | |
| 1381 // Fill out JavaCallArguments object | |
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1382 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1383 // Initialize result type |
| 1384 result->set_type(args->get_ret_type()); | |
| 1385 | |
| 1386 // Invoke the method. Result is returned as oop. | |
| 1387 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1388 | |
| 1389 // Convert result | |
| 1390 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1391 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1392 } | |
| 1393 } | |
| 1394 | |
| 1395 | |
| 1396 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1397 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1398 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1399 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1400 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1401 return ih; |
| 1402 } | |
| 1403 | |
| 14909 | 1404 #ifndef USDT2 |
| 1405 DT_RETURN_MARK_DECL(AllocObject, jobject); | |
| 1406 #else /* USDT2 */ | |
| 4006 | 1407 DT_RETURN_MARK_DECL(AllocObject, jobject |
| 1408 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 14909 | 1409 #endif /* USDT2 */ |
| 0 | 1410 |
| 1411 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1412 JNIWrapper("AllocObject"); | |
| 1413 | |
| 14909 | 1414 #ifndef USDT2 |
| 1415 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); | |
| 1416 #else /* USDT2 */ | |
| 1417 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1418 env, clazz); | |
| 1419 #endif /* USDT2 */ | |
| 0 | 1420 jobject ret = NULL; |
| 1421 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1422 | |
| 1423 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1424 ret = JNIHandles::make_local(env, i); | |
| 1425 return ret; | |
| 1426 JNI_END | |
| 1427 | |
| 14909 | 1428 #ifndef USDT2 |
| 1429 DT_RETURN_MARK_DECL(NewObjectA, jobject); | |
| 1430 #else /* USDT2 */ | |
| 4006 | 1431 DT_RETURN_MARK_DECL(NewObjectA, jobject |
| 1432 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 14909 | 1433 #endif /* USDT2 */ |
| 0 | 1434 |
| 1435 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1436 JNIWrapper("NewObjectA"); | |
| 14909 | 1437 #ifndef USDT2 |
| 1438 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); | |
| 1439 #else /* USDT2 */ | |
| 1440 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1441 env, clazz, (uintptr_t) methodID); | |
| 1442 #endif /* USDT2 */ | |
| 0 | 1443 jobject obj = NULL; |
| 1444 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1445 | |
| 1446 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1447 obj = JNIHandles::make_local(env, i); | |
| 1448 JavaValue jvalue(T_VOID); | |
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1449 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1450 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1451 return obj; | |
| 1452 JNI_END | |
| 1453 | |
| 14909 | 1454 #ifndef USDT2 |
| 1455 DT_RETURN_MARK_DECL(NewObjectV, jobject); | |
| 1456 #else /* USDT2 */ | |
| 4006 | 1457 DT_RETURN_MARK_DECL(NewObjectV, jobject |
| 1458 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 14909 | 1459 #endif /* USDT2 */ |
| 0 | 1460 |
| 1461 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1462 JNIWrapper("NewObjectV"); | |
| 14909 | 1463 #ifndef USDT2 |
| 1464 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); | |
| 1465 #else /* USDT2 */ | |
| 1466 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1467 env, clazz, (uintptr_t) methodID); | |
| 1468 #endif /* USDT2 */ | |
| 0 | 1469 jobject obj = NULL; |
| 1470 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1471 | |
| 1472 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1473 obj = JNIHandles::make_local(env, i); | |
| 1474 JavaValue jvalue(T_VOID); | |
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1475 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1476 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1477 return obj; | |
| 1478 JNI_END | |
| 1479 | |
| 14909 | 1480 #ifndef USDT2 |
| 1481 DT_RETURN_MARK_DECL(NewObject, jobject); | |
| 1482 #else /* USDT2 */ | |
| 4006 | 1483 DT_RETURN_MARK_DECL(NewObject, jobject |
| 1484 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 14909 | 1485 #endif /* USDT2 */ |
| 0 | 1486 |
| 1487 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1488 JNIWrapper("NewObject"); | |
| 14909 | 1489 #ifndef USDT2 |
| 1490 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); | |
| 1491 #else /* USDT2 */ | |
| 1492 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1493 env, clazz, (uintptr_t) methodID); | |
| 1494 #endif /* USDT2 */ | |
| 0 | 1495 jobject obj = NULL; |
| 1496 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1497 | |
| 1498 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1499 obj = JNIHandles::make_local(env, i); | |
| 1500 va_list args; | |
| 1501 va_start(args, methodID); | |
| 1502 JavaValue jvalue(T_VOID); | |
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1503 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1504 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1505 va_end(args); | |
| 1506 return obj; | |
| 1507 JNI_END | |
| 1508 | |
| 1509 | |
| 1510 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1511 JNIWrapper("GetObjectClass"); | |
| 14909 | 1512 #ifndef USDT2 |
| 1513 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); | |
| 1514 #else /* USDT2 */ | |
| 1515 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1516 env, obj); | |
| 1517 #endif /* USDT2 */ | |
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1518 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1519 jclass ret = |
| 6983 | 1520 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 14909 | 1521 #ifndef USDT2 |
| 1522 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); | |
| 1523 #else /* USDT2 */ | |
| 1524 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1525 ret); | |
| 1526 #endif /* USDT2 */ | |
| 0 | 1527 return ret; |
| 1528 JNI_END | |
| 1529 | |
| 1530 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1531 JNIWrapper("IsInstanceOf"); | |
| 14909 | 1532 #ifndef USDT2 |
| 1533 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); | |
| 1534 #else /* USDT2 */ | |
| 1535 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1536 env, obj, clazz); | |
| 1537 #endif /* USDT2 */ | |
| 0 | 1538 jboolean ret = JNI_TRUE; |
| 1539 if (obj != NULL) { | |
| 1540 ret = JNI_FALSE; | |
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1541 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1542 JNIHandles::resolve_non_null(clazz)); |
| 1543 if (k != NULL) { | |
| 1544 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1545 } | |
| 1546 } | |
| 14909 | 1547 #ifndef USDT2 |
| 1548 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); | |
| 1549 #else /* USDT2 */ | |
| 1550 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1551 ret); | |
| 1552 #endif /* USDT2 */ | |
| 0 | 1553 return ret; |
| 1554 JNI_END | |
| 1555 | |
| 1556 | |
| 1557 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1558 const char *sig, bool is_static, TRAPS) { | |
| 1559 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1560 // | |
| 1561 // The class should have been loaded (we have an instance of the class | |
| 1562 // passed in) so the method and signature should already be in the symbol | |
| 1563 // table. If they're not there, the method doesn't exist. | |
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1564 const char *name_to_probe = (name_str == NULL) |
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1565 ? vmSymbols::object_initializer_name()->as_C_string() |
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1566 : name_str; |
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1567 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1568 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1569 |
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1570 if (name == NULL || signature == NULL) { |
| 0 | 1571 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1572 } | |
| 1573 | |
| 1574 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1575 // primitive java.lang.Class | |
| 1576 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1577 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1578 } | |
| 1579 | |
| 1580 KlassHandle klass(THREAD, | |
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1581 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1582 |
| 1583 // Make sure class is linked and initialized before handing id's out to | |
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1584 // Method*s. |
| 6983 | 1585 klass()->initialize(CHECK_NULL); |
| 0 | 1586 |
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1587 Method* m; |
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1588 if (name == vmSymbols::object_initializer_name() || |
|
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1589 name == vmSymbols::class_initializer_name()) { |
| 0 | 1590 // Never search superclasses for constructors |
| 1591 if (klass->oop_is_instance()) { | |
|
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1592 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1593 } else { |
| 1594 m = NULL; | |
| 1595 } | |
| 1596 } else { | |
|
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1597 m = klass->lookup_method(name, signature); |
|
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1598 if (m == NULL && klass->oop_is_instance()) { |
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1599 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
| 0 | 1600 } |
| 1601 } | |
| 1602 if (m == NULL || (m->is_static() != is_static)) { | |
| 1603 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1604 } | |
| 1605 return m->jmethod_id(); | |
| 1606 } | |
| 1607 | |
| 1608 | |
| 1609 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1610 const char *name, const char *sig)) | |
| 1611 JNIWrapper("GetMethodID"); | |
| 14909 | 1612 #ifndef USDT2 |
| 1613 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); | |
| 1614 #else /* USDT2 */ | |
| 1615 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1616 env, clazz, (char *) name, (char *) sig); | |
| 1617 #endif /* USDT2 */ | |
| 0 | 1618 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 14909 | 1619 #ifndef USDT2 |
| 1620 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); | |
| 1621 #else /* USDT2 */ | |
| 1622 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1623 (uintptr_t) ret); | |
| 1624 #endif /* USDT2 */ | |
| 0 | 1625 return ret; |
| 1626 JNI_END | |
| 1627 | |
| 1628 | |
| 1629 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1630 const char *name, const char *sig)) | |
| 1631 JNIWrapper("GetStaticMethodID"); | |
| 14909 | 1632 #ifndef USDT2 |
| 1633 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); | |
| 1634 #else /* USDT2 */ | |
| 1635 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1636 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1637 #endif /* USDT2 */ | |
| 0 | 1638 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 14909 | 1639 #ifndef USDT2 |
| 1640 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); | |
| 1641 #else /* USDT2 */ | |
| 1642 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1643 (uintptr_t) ret); | |
| 1644 #endif /* USDT2 */ | |
| 0 | 1645 return ret; |
| 1646 JNI_END | |
| 1647 | |
| 1648 | |
| 1649 | |
| 1650 // | |
| 1651 // Calling Methods | |
| 1652 // | |
| 1653 | |
| 14909 | 1654 #ifndef USDT2 |
| 1655 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ | |
| 1656 \ | |
| 1657 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1658 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1659 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1660 \ | |
| 1661 JNI_ENTRY(ResultType, \ | |
| 1662 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1663 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1664 \ | |
| 1665 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ | |
| 1666 ResultType ret = 0;\ | |
| 1667 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1668 (const ResultType&)ret);\ | |
| 1669 \ | |
| 1670 va_list args; \ | |
| 1671 va_start(args, methodID); \ | |
| 1672 JavaValue jvalue(Tag); \ | |
| 1673 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1674 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1675 va_end(args); \ | |
| 1676 ret = jvalue.get_##ResultType(); \ | |
| 1677 return ret;\ | |
| 1678 JNI_END \ | |
| 1679 \ | |
| 1680 \ | |
| 1681 JNI_ENTRY(ResultType, \ | |
| 1682 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1683 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1684 \ | |
| 1685 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ | |
| 1686 ResultType ret = 0;\ | |
| 1687 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1688 (const ResultType&)ret);\ | |
| 1689 \ | |
| 1690 JavaValue jvalue(Tag); \ | |
| 1691 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1692 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1693 ret = jvalue.get_##ResultType(); \ | |
| 1694 return ret;\ | |
| 1695 JNI_END \ | |
| 1696 \ | |
| 1697 \ | |
| 1698 JNI_ENTRY(ResultType, \ | |
| 1699 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1700 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1701 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ | |
| 1702 ResultType ret = 0;\ | |
| 1703 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1704 (const ResultType&)ret);\ | |
| 1705 \ | |
| 1706 JavaValue jvalue(Tag); \ | |
| 1707 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1708 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1709 ret = jvalue.get_##ResultType(); \ | |
| 1710 return ret;\ | |
| 1711 JNI_END | |
| 1712 | |
| 1713 // the runtime type of subword integral basic types is integer | |
| 1714 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1715 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1716 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1717 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1718 | |
| 1719 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1720 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1721 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1722 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1723 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1724 | |
| 1725 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1726 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1727 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1728 | |
| 1729 #else /* USDT2 */ | |
| 4006 | 1730 |
| 1731 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1732 , EntryProbe, ReturnProbe) \ | |
| 1733 \ | |
| 1734 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1735 , ReturnProbe); \ | |
| 1736 \ | |
| 1737 JNI_ENTRY(ResultType, \ | |
| 1738 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1739 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1740 \ | |
| 1741 EntryProbe; \ | |
| 1742 ResultType ret = 0;\ | |
| 1743 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1744 (const ResultType&)ret);\ | |
| 1745 \ | |
| 1746 va_list args; \ | |
| 1747 va_start(args, methodID); \ | |
| 1748 JavaValue jvalue(Tag); \ | |
| 1749 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1750 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1751 va_end(args); \ | |
| 1752 ret = jvalue.get_##ResultType(); \ | |
| 1753 return ret;\ | |
| 1754 JNI_END | |
| 1755 | |
| 1756 // the runtime type of subword integral basic types is integer | |
| 1757 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1758 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1759 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1760 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1761 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1762 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1763 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1764 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1765 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1766 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1767 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1768 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1769 | |
| 1770 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1771 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1772 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1773 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1774 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1775 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1776 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1777 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1778 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1779 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1780 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1781 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1782 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1783 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1784 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1785 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1786 | |
| 1787 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1788 , EntryProbe, ReturnProbe) \ | |
| 1789 \ | |
| 1790 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1791 , ReturnProbe); \ | |
| 1792 \ | |
| 1793 JNI_ENTRY(ResultType, \ | |
| 1794 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1795 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1796 \ | |
| 1797 EntryProbe;\ | |
| 1798 ResultType ret = 0;\ | |
| 1799 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1800 (const ResultType&)ret);\ | |
| 1801 \ | |
| 1802 JavaValue jvalue(Tag); \ | |
| 1803 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1804 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1805 ret = jvalue.get_##ResultType(); \ | |
| 1806 return ret;\ | |
| 1807 JNI_END | |
| 1808 | |
| 1809 // the runtime type of subword integral basic types is integer | |
| 1810 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 14909 | 1811 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1812 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1813 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE |
| 14909 | 1814 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1815 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1816 DEFINE_CALLMETHODV(jchar, Char, T_CHAR |
| 14909 | 1817 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1818 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1819 DEFINE_CALLMETHODV(jshort, Short, T_SHORT |
| 14909 | 1820 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1821 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1822 |
| 1823 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 14909 | 1824 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1825 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1826 DEFINE_CALLMETHODV(jint, Int, T_INT, |
| 14909 | 1827 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1828 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1829 DEFINE_CALLMETHODV(jlong, Long, T_LONG |
| 14909 | 1830 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1831 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1832 // Float and double probes don't return value because dtrace doesn't currently support it |
| 1833 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 14909 | 1834 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1835 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 4006 | 1836 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE |
| 14909 | 1837 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1838 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 4006 | 1839 |
| 1840 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1841 , EntryProbe, ReturnProbe) \ | |
| 1842 \ | |
| 1843 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1844 , ReturnProbe); \ | |
| 1845 \ | |
| 1846 JNI_ENTRY(ResultType, \ | |
| 1847 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1848 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1849 EntryProbe; \ | |
| 1850 ResultType ret = 0;\ | |
| 1851 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1852 (const ResultType&)ret);\ | |
| 1853 \ | |
| 1854 JavaValue jvalue(Tag); \ | |
| 1855 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1856 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1857 ret = jvalue.get_##ResultType(); \ | |
| 1858 return ret;\ | |
| 1859 JNI_END | |
| 1860 | |
| 1861 // the runtime type of subword integral basic types is integer | |
| 1862 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 14909 | 1863 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1864 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1865 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE |
| 14909 | 1866 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1867 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1868 DEFINE_CALLMETHODA(jchar, Char, T_CHAR |
| 14909 | 1869 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1870 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1871 DEFINE_CALLMETHODA(jshort, Short, T_SHORT |
| 14909 | 1872 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1873 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1874 |
| 1875 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 14909 | 1876 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1877 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1878 DEFINE_CALLMETHODA(jint, Int, T_INT, |
| 14909 | 1879 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1880 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1881 DEFINE_CALLMETHODA(jlong, Long, T_LONG |
| 14909 | 1882 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1883 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 4006 | 1884 // Float and double probes don't return value because dtrace doesn't currently support it |
| 1885 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 14909 | 1886 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1887 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 4006 | 1888 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE |
| 14909 | 1889 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), |
| 1890 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 4006 | 1891 |
| 1892 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1893 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1894 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1895 | |
| 14909 | 1896 #endif /* USDT2 */ |
| 4006 | 1897 |
| 0 | 1898 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1899 JNIWrapper("CallVoidMethod"); | |
| 14909 | 1900 #ifndef USDT2 |
| 1901 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); | |
| 1902 #else /* USDT2 */ | |
| 1903 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1904 env, obj, (uintptr_t) methodID); | |
| 1905 #endif /* USDT2 */ | |
| 0 | 1906 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1907 | |
| 1908 va_list args; | |
| 1909 va_start(args, methodID); | |
| 1910 JavaValue jvalue(T_VOID); | |
|
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1911 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1912 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1913 va_end(args); | |
| 1914 JNI_END | |
| 1915 | |
| 1916 | |
| 1917 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1918 JNIWrapper("CallVoidMethodV"); | |
| 14909 | 1919 #ifndef USDT2 |
| 1920 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); | |
| 1921 #else /* USDT2 */ | |
| 1922 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1923 env, obj, (uintptr_t) methodID); | |
| 1924 #endif /* USDT2 */ | |
| 0 | 1925 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1926 | |
| 1927 JavaValue jvalue(T_VOID); | |
|
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1928 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1929 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1930 JNI_END | |
| 1931 | |
| 1932 | |
| 1933 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1934 JNIWrapper("CallVoidMethodA"); | |
| 14909 | 1935 #ifndef USDT2 |
| 1936 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); | |
| 1937 #else /* USDT2 */ | |
| 1938 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1939 env, obj, (uintptr_t) methodID); | |
| 1940 #endif /* USDT2 */ | |
| 0 | 1941 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1942 | |
| 1943 JavaValue jvalue(T_VOID); | |
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1944 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1945 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1946 JNI_END | |
| 1947 | |
| 1948 | |
| 14909 | 1949 #ifndef USDT2 |
| 1950 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ | |
| 1951 \ | |
| 1952 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1953 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1954 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1955 \ | |
| 1956 JNI_ENTRY(ResultType, \ | |
| 1957 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1958 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1959 \ | |
| 1960 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1961 ResultType ret;\ | |
| 1962 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1963 (const ResultType&)ret);\ | |
| 1964 \ | |
| 1965 va_list args; \ | |
| 1966 va_start(args, methodID); \ | |
| 1967 JavaValue jvalue(Tag); \ | |
| 1968 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1969 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1970 va_end(args); \ | |
| 1971 ret = jvalue.get_##ResultType(); \ | |
| 1972 return ret;\ | |
| 1973 JNI_END \ | |
| 1974 \ | |
| 1975 JNI_ENTRY(ResultType, \ | |
| 1976 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1977 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 1978 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 1979 ResultType ret;\ | |
| 1980 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1981 (const ResultType&)ret);\ | |
| 1982 \ | |
| 1983 JavaValue jvalue(Tag); \ | |
| 1984 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1985 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1986 ret = jvalue.get_##ResultType(); \ | |
| 1987 return ret;\ | |
| 1988 JNI_END \ | |
| 1989 \ | |
| 1990 JNI_ENTRY(ResultType, \ | |
| 1991 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 1992 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 1993 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 1994 ResultType ret;\ | |
| 1995 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 1996 (const ResultType&)ret);\ | |
| 1997 \ | |
| 1998 JavaValue jvalue(Tag); \ | |
| 1999 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2000 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2001 ret = jvalue.get_##ResultType(); \ | |
| 2002 return ret;\ | |
| 2003 JNI_END | |
| 2004 | |
| 2005 // the runtime type of subword integral basic types is integer | |
| 2006 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2007 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2008 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2009 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2010 | |
| 2011 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2012 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2013 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2014 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2015 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2016 | |
| 2017 | |
| 2018 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2019 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2020 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2021 | |
| 2022 #else /* USDT2 */ | |
| 4006 | 2023 |
| 2024 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2025 , EntryProbe, ReturnProbe) \ | |
| 2026 \ | |
| 2027 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2028 , ReturnProbe);\ | |
| 2029 \ | |
| 2030 JNI_ENTRY(ResultType, \ | |
| 2031 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2032 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2033 \ | |
| 2034 EntryProbe;\ | |
| 2035 ResultType ret;\ | |
| 2036 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2037 (const ResultType&)ret);\ | |
| 2038 \ | |
| 2039 va_list args; \ | |
| 2040 va_start(args, methodID); \ | |
| 2041 JavaValue jvalue(Tag); \ | |
| 2042 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2043 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2044 va_end(args); \ | |
| 2045 ret = jvalue.get_##ResultType(); \ | |
| 2046 return ret;\ | |
| 2047 JNI_END | |
| 2048 | |
| 2049 // the runtime type of subword integral basic types is integer | |
| 2050 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2051 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2052 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2053 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2054 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2055 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2056 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2057 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2058 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2059 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2060 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2061 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2062 | |
| 2063 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2064 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2065 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2066 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2067 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2068 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2069 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2070 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2071 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2072 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2073 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2074 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2075 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2076 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2077 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2078 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2079 | |
| 2080 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2081 , EntryProbe, ReturnProbe) \ | |
| 2082 \ | |
| 2083 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2084 , ReturnProbe);\ | |
| 2085 \ | |
| 2086 JNI_ENTRY(ResultType, \ | |
| 2087 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2088 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2089 \ | |
| 2090 EntryProbe;\ | |
| 2091 ResultType ret;\ | |
| 2092 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2093 (const ResultType&)ret);\ | |
| 2094 \ | |
| 2095 JavaValue jvalue(Tag); \ | |
| 2096 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2097 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2098 ret = jvalue.get_##ResultType(); \ | |
| 2099 return ret;\ | |
| 2100 JNI_END | |
| 2101 | |
| 2102 // the runtime type of subword integral basic types is integer | |
| 2103 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2104 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2105 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2106 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2107 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2108 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2109 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2110 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2111 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2112 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2113 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2114 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2115 | |
| 2116 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2117 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2118 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2119 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2120 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2121 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2122 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2123 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2124 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2125 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2126 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2127 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2128 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2129 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2130 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2131 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2132 | |
| 2133 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2134 , EntryProbe, ReturnProbe) \ | |
| 2135 \ | |
| 2136 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2137 , ReturnProbe);\ | |
| 2138 \ | |
| 2139 JNI_ENTRY(ResultType, \ | |
| 2140 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2141 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2142 \ | |
| 2143 EntryProbe;\ | |
| 2144 ResultType ret;\ | |
| 2145 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2146 (const ResultType&)ret);\ | |
| 2147 \ | |
| 2148 JavaValue jvalue(Tag); \ | |
| 2149 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2150 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2151 ret = jvalue.get_##ResultType(); \ | |
| 2152 return ret;\ | |
| 2153 JNI_END | |
| 2154 | |
| 2155 // the runtime type of subword integral basic types is integer | |
| 2156 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2157 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2158 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2159 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2160 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2161 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2162 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2163 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2164 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2165 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2166 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2167 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2168 | |
| 2169 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2170 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2171 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2172 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2173 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2174 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2175 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2176 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2177 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2178 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2179 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2180 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2181 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2182 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2183 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2184 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2185 | |
| 2186 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2187 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2188 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2189 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2190 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2191 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 14909 | 2192 #endif /* USDT2 */ |
| 4006 | 2193 |
| 0 | 2194 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2195 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2196 | |
| 14909 | 2197 #ifndef USDT2 |
| 2198 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, | |
| 2199 env, obj, cls, methodID); | |
| 2200 #else /* USDT2 */ | |
| 2201 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2202 env, obj, cls, (uintptr_t) methodID); | |
| 2203 #endif /* USDT2 */ | |
| 0 | 2204 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2205 | |
| 2206 va_list args; | |
| 2207 va_start(args, methodID); | |
| 2208 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
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|
2209 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2210 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2211 va_end(args); | |
| 2212 JNI_END | |
| 2213 | |
| 2214 | |
| 2215 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2216 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2217 | |
| 14909 | 2218 #ifndef USDT2 |
| 2219 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, | |
| 2220 env, obj, cls, methodID); | |
| 2221 #else /* USDT2 */ | |
| 4006 | 2222 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( |
| 2223 env, obj, cls, (uintptr_t) methodID); | |
| 14909 | 2224 #endif /* USDT2 */ |
| 0 | 2225 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2226 | |
| 2227 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
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diff
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|
2228 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2229 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2230 JNI_END | |
| 2231 | |
| 2232 | |
| 2233 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2234 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 14909 | 2235 #ifndef USDT2 |
| 2236 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, | |
| 2237 env, obj, cls, methodID); | |
| 2238 #else /* USDT2 */ | |
| 4006 | 2239 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( |
| 2240 env, obj, cls, (uintptr_t) methodID); | |
| 14909 | 2241 #endif /* USDT2 */ |
| 0 | 2242 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2243 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
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|
2244 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2245 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2246 JNI_END | |
| 2247 | |
| 2248 | |
| 14909 | 2249 #ifndef USDT2 |
| 2250 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ | |
| 2251 \ | |
| 2252 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2253 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2254 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2255 \ | |
| 2256 JNI_ENTRY(ResultType, \ | |
| 2257 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2258 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2259 \ | |
| 2260 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2261 ResultType ret = 0;\ | |
| 2262 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2263 (const ResultType&)ret);\ | |
| 2264 \ | |
| 2265 va_list args; \ | |
| 2266 va_start(args, methodID); \ | |
| 2267 JavaValue jvalue(Tag); \ | |
| 2268 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2269 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2270 va_end(args); \ | |
| 2271 ret = jvalue.get_##ResultType(); \ | |
| 2272 return ret;\ | |
| 2273 JNI_END \ | |
| 2274 \ | |
| 2275 JNI_ENTRY(ResultType, \ | |
| 2276 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2277 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2278 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2279 ResultType ret = 0;\ | |
| 2280 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2281 (const ResultType&)ret);\ | |
| 2282 \ | |
| 2283 JavaValue jvalue(Tag); \ | |
| 2284 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2285 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2286 ret = jvalue.get_##ResultType(); \ | |
| 2287 return ret;\ | |
| 2288 JNI_END \ | |
| 2289 \ | |
| 2290 JNI_ENTRY(ResultType, \ | |
| 2291 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2292 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2293 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2294 ResultType ret = 0;\ | |
| 2295 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2296 (const ResultType&)ret);\ | |
| 2297 \ | |
| 2298 JavaValue jvalue(Tag); \ | |
| 2299 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2300 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2301 ret = jvalue.get_##ResultType(); \ | |
| 2302 return ret;\ | |
| 2303 JNI_END | |
| 2304 | |
| 2305 // the runtime type of subword integral basic types is integer | |
| 2306 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2307 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2308 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2309 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2310 | |
| 2311 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2312 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2313 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2314 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2315 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2316 | |
| 2317 | |
| 2318 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2319 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2320 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2321 | |
| 2322 #else /* USDT2 */ | |
| 4006 | 2323 |
| 2324 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2325 , EntryProbe, ResultProbe) \ | |
| 2326 \ | |
| 2327 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2328 , ResultProbe); \ | |
| 2329 \ | |
| 2330 JNI_ENTRY(ResultType, \ | |
| 2331 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2332 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2333 \ | |
| 2334 EntryProbe; \ | |
| 2335 ResultType ret = 0;\ | |
| 2336 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2337 (const ResultType&)ret);\ | |
| 2338 \ | |
| 2339 va_list args; \ | |
| 2340 va_start(args, methodID); \ | |
| 2341 JavaValue jvalue(Tag); \ | |
| 2342 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2343 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2344 va_end(args); \ | |
| 2345 ret = jvalue.get_##ResultType(); \ | |
| 2346 return ret;\ | |
| 2347 JNI_END | |
| 2348 | |
| 2349 // the runtime type of subword integral basic types is integer | |
| 2350 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2351 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2352 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2353 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2354 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2355 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2356 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2357 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2358 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2359 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2360 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2361 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2362 | |
| 2363 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2364 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2365 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2366 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2367 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2368 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2369 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2370 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2371 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2372 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2373 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2374 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2375 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2376 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2377 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2378 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2379 | |
| 2380 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2381 , EntryProbe, ResultProbe) \ | |
| 2382 \ | |
| 2383 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2384 , ResultProbe); \ | |
| 2385 \ | |
| 2386 JNI_ENTRY(ResultType, \ | |
| 2387 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2388 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2389 \ | |
| 2390 EntryProbe; \ | |
| 2391 ResultType ret = 0;\ | |
| 2392 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2393 (const ResultType&)ret);\ | |
| 2394 \ | |
| 2395 JavaValue jvalue(Tag); \ | |
| 2396 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2397 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
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2398 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2399 k()->initialize(CHECK_0); \ |
| 4006 | 2400 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2401 va_end(args); \ | |
| 2402 ret = jvalue.get_##ResultType(); \ | |
| 2403 return ret;\ | |
| 2404 JNI_END | |
| 2405 | |
| 2406 // the runtime type of subword integral basic types is integer | |
| 2407 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2408 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2409 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2410 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2411 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2412 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2413 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2414 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2415 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2416 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2417 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2418 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2419 | |
| 2420 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2421 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2422 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2423 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2424 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2425 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2426 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2427 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2428 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2429 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2430 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2431 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2432 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2433 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2434 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2435 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2436 | |
| 2437 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2438 , EntryProbe, ResultProbe) \ | |
| 2439 \ | |
| 2440 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2441 , ResultProbe); \ | |
| 2442 \ | |
| 2443 JNI_ENTRY(ResultType, \ | |
| 2444 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2445 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2446 \ | |
| 2447 EntryProbe; \ | |
| 2448 ResultType ret = 0;\ | |
| 2449 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2450 (const ResultType&)ret);\ | |
| 2451 \ | |
| 2452 JavaValue jvalue(Tag); \ | |
| 2453 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2454 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2455 ret = jvalue.get_##ResultType(); \ | |
| 2456 return ret;\ | |
| 2457 JNI_END | |
| 2458 | |
| 2459 // the runtime type of subword integral basic types is integer | |
| 2460 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2461 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2462 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2463 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2464 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2465 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2466 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2467 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2468 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2469 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2470 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2471 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2472 | |
| 2473 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2474 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2475 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2476 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2477 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2478 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2479 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2480 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2481 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2482 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2483 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2484 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2485 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2486 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2487 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2488 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2489 | |
| 2490 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2491 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2492 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2493 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2494 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2495 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 14909 | 2496 #endif /* USDT2 */ |
| 4006 | 2497 |
| 0 | 2498 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2499 JNIWrapper("CallStaticVoidMethod"); | |
| 14909 | 2500 #ifndef USDT2 |
| 2501 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); | |
| 2502 #else /* USDT2 */ | |
| 2503 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2504 env, cls, (uintptr_t) methodID); | |
| 2505 #endif /* USDT2 */ | |
| 0 | 2506 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2507 | |
| 2508 va_list args; | |
| 2509 va_start(args, methodID); | |
| 2510 JavaValue jvalue(T_VOID); | |
|
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|
2511 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2512 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2513 va_end(args); | |
| 2514 JNI_END | |
| 2515 | |
| 2516 | |
| 2517 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2518 JNIWrapper("CallStaticVoidMethodV"); | |
| 14909 | 2519 #ifndef USDT2 |
| 2520 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); | |
| 2521 #else /* USDT2 */ | |
| 2522 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2523 env, cls, (uintptr_t) methodID); | |
| 2524 #endif /* USDT2 */ | |
| 0 | 2525 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2526 | |
| 2527 JavaValue jvalue(T_VOID); | |
|
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|
2528 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2529 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2530 JNI_END | |
| 2531 | |
| 2532 | |
| 2533 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2534 JNIWrapper("CallStaticVoidMethodA"); | |
| 14909 | 2535 #ifndef USDT2 |
| 2536 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); | |
| 2537 #else /* USDT2 */ | |
| 2538 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2539 env, cls, (uintptr_t) methodID); | |
| 2540 #endif /* USDT2 */ | |
| 0 | 2541 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2542 | |
| 2543 JavaValue jvalue(T_VOID); | |
|
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|
2544 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2545 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2546 JNI_END | |
| 2547 | |
| 2548 | |
| 2549 // | |
| 2550 // Accessing Fields | |
| 2551 // | |
| 2552 | |
| 2553 | |
| 14909 | 2554 #ifndef USDT2 |
| 2555 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); | |
| 2556 #else /* USDT2 */ | |
| 4006 | 2557 DT_RETURN_MARK_DECL(GetFieldID, jfieldID |
| 2558 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 14909 | 2559 #endif /* USDT2 */ |
| 0 | 2560 |
| 2561 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2562 const char *name, const char *sig)) | |
| 2563 JNIWrapper("GetFieldID"); | |
| 14909 | 2564 #ifndef USDT2 |
| 2565 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); | |
| 2566 #else /* USDT2 */ | |
| 2567 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2568 env, clazz, (char *) name, (char *) sig); | |
| 2569 #endif /* USDT2 */ | |
| 0 | 2570 jfieldID ret = 0; |
| 2571 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2572 | |
| 2573 // The class should have been loaded (we have an instance of the class | |
| 2574 // passed in) so the field and signature should already be in the symbol | |
| 2575 // table. If they're not there, the field doesn't exist. | |
|
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|
2576 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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|
2577 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2578 if (fieldname == NULL || signame == NULL) { |
| 0 | 2579 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2580 } | |
| 2581 KlassHandle k(THREAD, | |
|
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2582 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2583 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2584 k()->initialize(CHECK_NULL); |
| 0 | 2585 |
| 2586 fieldDescriptor fd; | |
| 6983 | 2587 if (!k()->oop_is_instance() || |
|
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|
2588 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2589 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2590 } | |
| 2591 | |
| 2592 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2593 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2594 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2595 return ret; | |
| 2596 JNI_END | |
| 2597 | |
| 2598 | |
| 2599 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2600 JNIWrapper("GetObjectField"); | |
| 14909 | 2601 #ifndef USDT2 |
| 2602 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); | |
| 2603 #else /* USDT2 */ | |
| 2604 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2605 env, obj, (uintptr_t) fieldID); | |
| 2606 #endif /* USDT2 */ | |
| 0 | 2607 oop o = JNIHandles::resolve_non_null(obj); |
|
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|
2608 Klass* k = o->klass(); |
| 0 | 2609 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2610 // Keep JVMTI addition small and only check enabled flag here. | |
| 2611 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2612 if (JvmtiExport::should_post_field_access()) { | |
| 2613 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2614 } | |
| 2615 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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|
2616 #if INCLUDE_ALL_GCS |
|
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|
2617 // If G1 is enabled and we are accessing the value of the referent |
|
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|
2618 // field in a reference object then we need to register a non-null |
|
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|
2619 // referent with the SATB barrier. |
|
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|
2620 if (UseG1GC) { |
|
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|
2621 bool needs_barrier = false; |
|
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|
2622 |
|
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|
2623 if (ret != NULL && |
|
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|
2624 offset == java_lang_ref_Reference::referent_offset && |
|
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2625 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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|
2626 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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|
2627 needs_barrier = true; |
|
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|
2628 } |
|
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|
2629 |
|
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|
2630 if (needs_barrier) { |
|
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|
2631 oop referent = JNIHandles::resolve(ret); |
|
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|
2632 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2633 } |
|
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2634 } |
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|
2635 #endif // INCLUDE_ALL_GCS |
| 14909 | 2636 #ifndef USDT2 |
| 2637 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); | |
| 2638 #else /* USDT2 */ | |
| 2639 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2640 ret); | |
| 2641 #endif /* USDT2 */ | |
| 0 | 2642 return ret; |
| 2643 JNI_END | |
| 2644 | |
| 2645 | |
| 14909 | 2646 #ifndef USDT2 |
| 2647 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ | |
| 2648 \ | |
| 2649 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2650 \ | |
| 2651 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2652 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2653 \ | |
| 2654 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2655 Return ret = 0;\ | |
| 2656 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2657 \ | |
| 2658 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2659 Klass* k = o->klass(); \ | |
| 2660 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2661 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2662 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2663 /* and creates a ResetNoHandleMark. */ \ | |
| 2664 if (JvmtiExport::should_post_field_access()) { \ | |
| 2665 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2666 } \ | |
| 2667 ret = o->Fieldname##_field(offset); \ | |
| 2668 return ret; \ | |
| 2669 JNI_END | |
| 2670 | |
| 2671 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2672 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2673 DEFINE_GETFIELD(jchar, char, Char) | |
| 2674 DEFINE_GETFIELD(jshort, short, Short) | |
| 2675 DEFINE_GETFIELD(jint, int, Int) | |
| 2676 DEFINE_GETFIELD(jlong, long, Long) | |
| 2677 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2678 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2679 | |
| 2680 #else /* USDT2 */ | |
| 4006 | 2681 |
| 2682 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2683 , EntryProbe, ReturnProbe) \ | |
| 2684 \ | |
| 2685 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2686 , ReturnProbe); \ | |
| 2687 \ | |
| 2688 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2689 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2690 \ | |
| 2691 EntryProbe; \ | |
| 2692 Return ret = 0;\ | |
| 2693 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2694 \ | |
| 2695 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2696 Klass* k = o->klass(); \ |
| 4006 | 2697 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2698 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2699 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2700 /* and creates a ResetNoHandleMark. */ \ | |
| 2701 if (JvmtiExport::should_post_field_access()) { \ | |
| 2702 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2703 } \ | |
| 2704 ret = o->Fieldname##_field(offset); \ | |
| 2705 return ret; \ | |
| 2706 JNI_END | |
| 2707 | |
| 2708 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2709 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2710 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2711 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2712 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2713 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2714 DEFINE_GETFIELD(jchar, char, Char | |
| 2715 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2716 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2717 DEFINE_GETFIELD(jshort, short, Short | |
| 2718 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2719 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2720 DEFINE_GETFIELD(jint, int, Int | |
| 2721 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2722 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2723 DEFINE_GETFIELD(jlong, long, Long | |
| 2724 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2725 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2726 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2727 DEFINE_GETFIELD(jfloat, float, Float | |
| 2728 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2729 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2730 DEFINE_GETFIELD(jdouble, double, Double | |
| 2731 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2732 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 14909 | 2733 #endif /* USDT2 */ |
| 4006 | 2734 |
| 0 | 2735 address jni_GetBooleanField_addr() { |
| 2736 return (address)jni_GetBooleanField; | |
| 2737 } | |
| 2738 address jni_GetByteField_addr() { | |
| 2739 return (address)jni_GetByteField; | |
| 2740 } | |
| 2741 address jni_GetCharField_addr() { | |
| 2742 return (address)jni_GetCharField; | |
| 2743 } | |
| 2744 address jni_GetShortField_addr() { | |
| 2745 return (address)jni_GetShortField; | |
| 2746 } | |
| 2747 address jni_GetIntField_addr() { | |
| 2748 return (address)jni_GetIntField; | |
| 2749 } | |
| 2750 address jni_GetLongField_addr() { | |
| 2751 return (address)jni_GetLongField; | |
| 2752 } | |
| 2753 address jni_GetFloatField_addr() { | |
| 2754 return (address)jni_GetFloatField; | |
| 2755 } | |
| 2756 address jni_GetDoubleField_addr() { | |
| 2757 return (address)jni_GetDoubleField; | |
| 2758 } | |
| 2759 | |
| 2760 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2761 JNIWrapper("SetObjectField"); | |
| 14909 | 2762 #ifndef USDT2 |
| 2763 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); | |
| 2764 #else /* USDT2 */ | |
| 2765 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2766 env, obj, (uintptr_t) fieldID, value); | |
| 2767 #endif /* USDT2 */ | |
| 0 | 2768 oop o = JNIHandles::resolve_non_null(obj); |
|
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2769 Klass* k = o->klass(); |
| 0 | 2770 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2771 // Keep JVMTI addition small and only check enabled flag here. | |
| 2772 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2773 // and creates a ResetNoHandleMark. | |
| 2774 if (JvmtiExport::should_post_field_modification()) { | |
| 2775 jvalue field_value; | |
| 2776 field_value.l = value; | |
| 2777 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2778 } | |
| 2779 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 14909 | 2780 #ifndef USDT2 |
| 2781 DTRACE_PROBE(hotspot_jni, SetObjectField__return); | |
| 2782 #else /* USDT2 */ | |
| 2783 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2784 ); | |
| 2785 #endif /* USDT2 */ | |
| 0 | 2786 JNI_END |
| 2787 | |
| 14909 | 2788 #ifndef USDT2 |
| 2789 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ | |
| 2790 \ | |
| 2791 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2792 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2793 \ | |
| 2794 FP_SELECT_##Result( \ | |
| 2795 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ | |
| 2796 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ | |
| 2797 \ | |
| 2798 oop o = JNIHandles::resolve_non_null(obj); \ | |
| 2799 Klass* k = o->klass(); \ | |
| 2800 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ | |
| 2801 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2802 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2803 /* and creates a ResetNoHandleMark. */ \ | |
| 2804 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2805 jvalue field_value; \ | |
| 2806 field_value.unionType = value; \ | |
| 2807 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2808 } \ | |
| 2809 o->Fieldname##_field_put(offset, value); \ | |
| 2810 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2811 JNI_END | |
| 2812 | |
| 2813 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2814 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2815 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2816 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2817 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2818 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2819 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2820 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2821 | |
| 2822 #else /* USDT2 */ | |
| 4006 | 2823 |
| 2824 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2825 , EntryProbe, ReturnProbe) \ | |
| 2826 \ | |
| 2827 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2828 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2829 \ | |
| 2830 EntryProbe; \ | |
| 2831 \ | |
| 2832 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2833 Klass* k = o->klass(); \ |
| 4006 | 2834 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2835 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2836 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2837 /* and creates a ResetNoHandleMark. */ \ | |
| 2838 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2839 jvalue field_value; \ | |
| 2840 field_value.unionType = value; \ | |
| 2841 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2842 } \ | |
| 2843 o->Fieldname##_field_put(offset, value); \ | |
| 2844 ReturnProbe; \ | |
| 2845 JNI_END | |
| 2846 | |
| 2847 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2848 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2849 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2850 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2851 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2852 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2853 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2854 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2855 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2856 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2857 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2858 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2859 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2860 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2861 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2862 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2863 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2864 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2865 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2866 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2867 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2868 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2869 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2870 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2871 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 14909 | 2872 #endif /* USDT2 */ |
| 2873 | |
| 2874 #ifndef USDT2 | |
| 2875 DT_RETURN_MARK_DECL(ToReflectedField, jobject); | |
| 2876 #else /* USDT2 */ | |
| 4006 | 2877 DT_RETURN_MARK_DECL(ToReflectedField, jobject |
| 2878 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 14909 | 2879 #endif /* USDT2 */ |
| 0 | 2880 |
| 2881 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2882 JNIWrapper("ToReflectedField"); | |
| 14909 | 2883 #ifndef USDT2 |
| 2884 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, | |
| 2885 env, cls, fieldID, isStatic); | |
| 2886 #else /* USDT2 */ | |
| 2887 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2888 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2889 #endif /* USDT2 */ | |
| 0 | 2890 jobject ret = NULL; |
| 2891 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2892 | |
| 2893 fieldDescriptor fd; | |
| 2894 bool found = false; | |
|
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2895 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2896 |
| 2897 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2898 | |
| 2899 if (isStatic) { | |
|
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|
2900 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2901 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2902 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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|
2903 found = id->find_local_field(&fd); |
| 0 | 2904 } else { |
| 2905 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2906 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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2907 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2908 } |
| 2909 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2910 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2911 ret = JNIHandles::make_local(env, reflected); | |
| 2912 return ret; | |
| 2913 JNI_END | |
| 2914 | |
| 2915 | |
| 2916 // | |
| 2917 // Accessing Static Fields | |
| 2918 // | |
| 14909 | 2919 #ifndef USDT2 |
| 2920 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); | |
| 2921 #else /* USDT2 */ | |
| 4006 | 2922 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID |
| 2923 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 14909 | 2924 #endif /* USDT2 */ |
| 0 | 2925 |
| 2926 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2927 const char *name, const char *sig)) | |
| 2928 JNIWrapper("GetStaticFieldID"); | |
| 14909 | 2929 #ifndef USDT2 |
| 2930 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); | |
| 2931 #else /* USDT2 */ | |
| 2932 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2933 env, clazz, (char *) name, (char *) sig); | |
| 2934 #endif /* USDT2 */ | |
| 0 | 2935 jfieldID ret = NULL; |
| 2936 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2937 | |
| 2938 // The class should have been loaded (we have an instance of the class | |
| 2939 // passed in) so the field and signature should already be in the symbol | |
| 2940 // table. If they're not there, the field doesn't exist. | |
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2941 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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2942 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2943 if (fieldname == NULL || signame == NULL) { |
| 0 | 2944 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2945 } | |
| 2946 KlassHandle k(THREAD, | |
|
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2947 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2948 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2949 k()->initialize(CHECK_NULL); |
| 0 | 2950 |
| 2951 fieldDescriptor fd; | |
| 6983 | 2952 if (!k()->oop_is_instance() || |
|
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2953 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2954 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2955 } | |
| 2956 | |
|
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2957 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
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|
2958 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2959 debug_only(id->set_is_static_field_id();) |
| 2960 | |
|
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|
2961 debug_only(id->verify(fd.field_holder())); |
| 0 | 2962 |
| 2963 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2964 return ret; | |
| 2965 JNI_END | |
| 2966 | |
| 2967 | |
| 2968 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2969 JNIWrapper("GetStaticObjectField"); | |
| 14909 | 2970 #ifndef USDT2 |
| 2971 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); | |
| 2972 #else /* USDT2 */ | |
| 2973 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 2974 env, clazz, (uintptr_t) fieldID); | |
| 2975 #endif /* USDT2 */ | |
|
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2976 #if INCLUDE_JNI_CHECK |
|
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2977 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
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|
2978 #endif // INCLUDE_JNI_CHECK |
| 0 | 2979 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2980 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2981 // Keep JVMTI addition small and only check enabled flag here. | |
| 2982 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2983 if (JvmtiExport::should_post_field_access()) { | |
| 2984 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 2985 } | |
|
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2986 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 14909 | 2987 #ifndef USDT2 |
| 2988 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); | |
| 2989 #else /* USDT2 */ | |
| 2990 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 2991 ret); | |
| 2992 #endif /* USDT2 */ | |
| 0 | 2993 return ret; |
| 2994 JNI_END | |
| 2995 | |
| 14909 | 2996 #ifndef USDT2 |
| 2997 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ | |
| 2998 \ | |
| 2999 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3000 \ | |
| 3001 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3002 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3003 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3004 Return ret = 0;\ | |
| 3005 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3006 (const Return&)ret);\ | |
| 3007 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3008 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3009 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3010 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3011 if (JvmtiExport::should_post_field_access()) { \ | |
| 3012 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3013 } \ | |
| 3014 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3015 return ret;\ | |
| 3016 JNI_END | |
| 3017 | |
| 3018 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3019 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3020 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3021 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3022 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3023 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3024 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3025 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3026 | |
| 3027 #else /* USDT2 */ | |
| 4006 | 3028 |
| 3029 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3030 , EntryProbe, ReturnProbe) \ | |
| 3031 \ | |
| 3032 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3033 , ReturnProbe); \ | |
| 3034 \ | |
| 3035 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3036 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3037 EntryProbe; \ | |
| 3038 Return ret = 0;\ | |
| 3039 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3040 (const Return&)ret);\ | |
| 3041 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3042 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3043 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3044 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3045 if (JvmtiExport::should_post_field_access()) { \ | |
| 3046 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3047 } \ | |
| 3048 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3049 return ret;\ | |
| 3050 JNI_END | |
| 3051 | |
| 3052 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3053 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3054 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3055 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3056 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3057 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3058 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3059 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3060 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3061 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3062 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3063 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3064 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3065 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3066 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3067 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3068 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 14909 | 3069 #endif /* USDT2 */ |
| 0 | 3070 |
| 3071 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3072 JNIWrapper("SetStaticObjectField"); | |
| 14909 | 3073 #ifndef USDT2 |
| 3074 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); | |
| 3075 #else /* USDT2 */ | |
| 3076 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3077 env, clazz, (uintptr_t) fieldID, value); | |
| 3078 #endif /* USDT2 */ | |
| 0 | 3079 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3080 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3081 // Keep JVMTI addition small and only check enabled flag here. | |
| 3082 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3083 if (JvmtiExport::should_post_field_modification()) { | |
| 3084 jvalue field_value; | |
| 3085 field_value.l = value; | |
| 3086 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3087 } | |
|
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3088 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 14909 | 3089 #ifndef USDT2 |
| 3090 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); | |
| 3091 #else /* USDT2 */ | |
| 3092 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3093 ); | |
| 3094 #endif /* USDT2 */ | |
| 0 | 3095 JNI_END |
| 3096 | |
| 3097 | |
| 14909 | 3098 #ifndef USDT2 |
| 3099 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ | |
| 3100 \ | |
| 3101 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3102 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3103 FP_SELECT_##Result( \ | |
| 3104 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ | |
| 3105 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ | |
| 3106 \ | |
| 3107 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3108 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3109 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3110 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3111 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3112 jvalue field_value; \ | |
| 3113 field_value.unionType = value; \ | |
| 3114 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3115 } \ | |
| 3116 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3117 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ | |
| 3118 JNI_END | |
| 3119 | |
| 3120 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3121 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3122 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3123 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3124 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3125 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3126 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3127 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3128 | |
| 3129 #else /* USDT2 */ | |
| 4006 | 3130 |
| 3131 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3132 , EntryProbe, ReturnProbe) \ | |
| 3133 \ | |
| 3134 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3135 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3136 EntryProbe; \ | |
| 3137 \ | |
| 3138 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3139 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3140 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3141 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3142 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3143 jvalue field_value; \ | |
| 3144 field_value.unionType = value; \ | |
| 3145 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3146 } \ | |
| 3147 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3148 ReturnProbe;\ | |
| 3149 JNI_END | |
| 3150 | |
| 3151 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 14909 | 3152 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), |
| 4006 | 3153 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) |
| 3154 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3155 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3156 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3157 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3158 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3159 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3160 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3161 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3162 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3163 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3164 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3165 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3166 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3167 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3168 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3169 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3170 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3171 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3172 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3173 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3174 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3175 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 14909 | 3176 #endif /* USDT2 */ |
| 0 | 3177 |
| 3178 // | |
| 3179 // String Operations | |
| 3180 // | |
| 3181 | |
| 3182 // Unicode Interface | |
| 3183 | |
| 14909 | 3184 #ifndef USDT2 |
| 3185 DT_RETURN_MARK_DECL(NewString, jstring); | |
| 3186 #else /* USDT2 */ | |
| 4006 | 3187 DT_RETURN_MARK_DECL(NewString, jstring |
| 3188 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 14909 | 3189 #endif /* USDT2 */ |
| 0 | 3190 |
| 3191 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3192 JNIWrapper("NewString"); | |
| 14909 | 3193 #ifndef USDT2 |
| 3194 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); | |
| 3195 #else /* USDT2 */ | |
| 3196 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3197 env, (uint16_t *) unicodeChars, len); | |
| 3198 #endif /* USDT2 */ | |
| 0 | 3199 jstring ret = NULL; |
| 3200 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3201 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3202 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3203 return ret; | |
| 3204 JNI_END | |
| 3205 | |
| 3206 | |
| 3207 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3208 JNIWrapper("GetStringLength"); | |
| 14909 | 3209 #ifndef USDT2 |
| 3210 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); | |
| 3211 #else /* USDT2 */ | |
| 3212 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3213 env, string); | |
| 3214 #endif /* USDT2 */ | |
|
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3215 jsize ret = 0; |
|
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3216 oop s = JNIHandles::resolve_non_null(string); |
|
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3217 if (java_lang_String::value(s) != NULL) { |
|
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3218 ret = java_lang_String::length(s); |
|
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|
3219 } |
| 14909 | 3220 #ifndef USDT2 |
| 3221 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); | |
| 3222 #else /* USDT2 */ | |
| 3223 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3224 ret); | |
| 3225 #endif /* USDT2 */ | |
| 0 | 3226 return ret; |
| 3227 JNI_END | |
| 3228 | |
| 3229 | |
| 3230 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3231 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3232 JNIWrapper("GetStringChars"); | |
| 14909 | 3233 #ifndef USDT2 |
| 3234 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); | |
| 3235 #else /* USDT2 */ | |
| 3236 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3237 env, string, (uintptr_t *) isCopy); | |
| 3238 #endif /* USDT2 */ | |
|
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|
3239 jchar* buf = NULL; |
| 0 | 3240 oop s = JNIHandles::resolve_non_null(string); |
| 3241 typeArrayOop s_value = java_lang_String::value(s); | |
|
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3242 if (s_value != NULL) { |
|
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|
3243 int s_len = java_lang_String::length(s); |
|
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|
3244 int s_offset = java_lang_String::offset(s); |
|
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|
3245 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
|
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|
3246 /* JNI Specification states return NULL on OOM */ |
|
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3247 if (buf != NULL) { |
|
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3248 if (s_len > 0) { |
|
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|
3249 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
|
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|
3250 } |
|
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|
3251 buf[s_len] = 0; |
|
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|
3252 //%note jni_5 |
|
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|
3253 if (isCopy != NULL) { |
|
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|
3254 *isCopy = JNI_TRUE; |
|
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|
3255 } |
|
12109
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|
3256 } |
| 0 | 3257 } |
| 14909 | 3258 #ifndef USDT2 |
| 3259 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); | |
| 3260 #else /* USDT2 */ | |
| 3261 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3262 buf); | |
| 3263 #endif /* USDT2 */ | |
| 0 | 3264 return buf; |
| 3265 JNI_END | |
| 3266 | |
| 3267 | |
| 3268 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3269 JNIWrapper("ReleaseStringChars"); | |
| 14909 | 3270 #ifndef USDT2 |
| 3271 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); | |
| 3272 #else /* USDT2 */ | |
| 3273 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3274 env, str, (uint16_t *) chars); | |
| 3275 #endif /* USDT2 */ | |
| 0 | 3276 //%note jni_6 |
| 3277 if (chars != NULL) { | |
| 3278 // Since String objects are supposed to be immutable, don't copy any | |
| 3279 // new data back. A bad user will have to go after the char array. | |
| 3280 FreeHeap((void*) chars); | |
| 3281 } | |
| 14909 | 3282 #ifndef USDT2 |
| 3283 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); | |
| 3284 #else /* USDT2 */ | |
| 3285 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3286 ); | |
| 3287 #endif /* USDT2 */ | |
| 0 | 3288 JNI_END |
| 3289 | |
| 3290 | |
| 3291 // UTF Interface | |
| 3292 | |
| 14909 | 3293 #ifndef USDT2 |
| 3294 DT_RETURN_MARK_DECL(NewStringUTF, jstring); | |
| 3295 #else /* USDT2 */ | |
| 4006 | 3296 DT_RETURN_MARK_DECL(NewStringUTF, jstring |
| 3297 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 14909 | 3298 #endif /* USDT2 */ |
| 0 | 3299 |
| 3300 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3301 JNIWrapper("NewStringUTF"); | |
| 14909 | 3302 #ifndef USDT2 |
| 3303 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); | |
| 3304 #else /* USDT2 */ | |
| 3305 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3306 env, (char *) bytes); | |
| 3307 #endif /* USDT2 */ | |
| 0 | 3308 jstring ret; |
| 3309 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3310 | |
| 3311 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3312 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3313 return ret; | |
| 3314 JNI_END | |
| 3315 | |
| 3316 | |
| 3317 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3318 JNIWrapper("GetStringUTFLength"); | |
| 14909 | 3319 #ifndef USDT2 |
| 3320 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); | |
| 3321 #else /* USDT2 */ | |
| 3322 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3323 env, string); | |
| 3324 #endif /* USDT2 */ | |
|
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|
3325 jsize ret = 0; |
|
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|
3326 oop java_string = JNIHandles::resolve_non_null(string); |
|
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|
3327 if (java_lang_String::value(java_string) != NULL) { |
|
f9be370a7d54
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|
3328 ret = java_lang_String::utf8_length(java_string); |
|
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|
3329 } |
| 14909 | 3330 #ifndef USDT2 |
| 3331 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); | |
| 3332 #else /* USDT2 */ | |
| 3333 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3334 ret); | |
| 3335 #endif /* USDT2 */ | |
| 0 | 3336 return ret; |
| 3337 JNI_END | |
| 3338 | |
| 3339 | |
| 3340 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3341 JNIWrapper("GetStringUTFChars"); | |
| 14909 | 3342 #ifndef USDT2 |
| 3343 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); | |
| 3344 #else /* USDT2 */ | |
| 3345 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3346 env, string, (uintptr_t *) isCopy); | |
| 3347 #endif /* USDT2 */ | |
|
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|
3348 char* result = NULL; |
|
1989
017cd8bce8a8
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diff
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|
3349 oop java_string = JNIHandles::resolve_non_null(string); |
|
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|
3350 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3351 size_t length = java_lang_String::utf8_length(java_string); |
|
f9be370a7d54
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diff
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|
3352 /* JNI Specification states return NULL on OOM */ |
|
f9be370a7d54
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|
3353 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
|
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|
3354 if (result != NULL) { |
|
f9be370a7d54
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changeset
|
3355 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
|
f9be370a7d54
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|
3356 if (isCopy != NULL) { |
|
f9be370a7d54
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|
3357 *isCopy = JNI_TRUE; |
|
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|
3358 } |
|
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diff
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|
3359 } |
|
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|
3360 } |
| 14909 | 3361 #ifndef USDT2 |
| 3362 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); | |
| 3363 #else /* USDT2 */ | |
| 3364 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3365 result); | |
| 3366 #endif /* USDT2 */ | |
| 0 | 3367 return result; |
| 3368 JNI_END | |
| 3369 | |
| 3370 | |
| 3371 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3372 JNIWrapper("ReleaseStringUTFChars"); | |
| 14909 | 3373 #ifndef USDT2 |
| 3374 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); | |
| 3375 #else /* USDT2 */ | |
| 3376 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3377 env, str, (char *) chars); | |
| 3378 #endif /* USDT2 */ | |
| 0 | 3379 if (chars != NULL) { |
| 3380 FreeHeap((char*) chars); | |
| 3381 } | |
| 14909 | 3382 #ifndef USDT2 |
| 3383 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); | |
| 3384 #else /* USDT2 */ | |
| 3385 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3386 ); | |
| 3387 #endif /* USDT2 */ | |
| 0 | 3388 JNI_END |
| 3389 | |
| 3390 | |
| 3391 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3392 JNIWrapper("GetArrayLength"); | |
| 14909 | 3393 #ifndef USDT2 |
| 3394 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); | |
| 3395 #else /* USDT2 */ | |
| 3396 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3397 env, array); | |
| 3398 #endif /* USDT2 */ | |
| 0 | 3399 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3400 assert(a->is_array(), "must be array"); | |
| 3401 jsize ret = a->length(); | |
| 14909 | 3402 #ifndef USDT2 |
| 3403 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); | |
| 3404 #else /* USDT2 */ | |
| 3405 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3406 ret); | |
| 3407 #endif /* USDT2 */ | |
| 0 | 3408 return ret; |
| 3409 JNI_END | |
| 3410 | |
| 3411 | |
| 3412 // | |
| 3413 // Object Array Operations | |
| 3414 // | |
| 3415 | |
| 14909 | 3416 #ifndef USDT2 |
| 3417 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); | |
| 3418 #else /* USDT2 */ | |
| 4006 | 3419 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray |
| 3420 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 14909 | 3421 #endif /* USDT2 */ |
| 0 | 3422 |
| 3423 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3424 JNIWrapper("NewObjectArray"); | |
| 14909 | 3425 #ifndef USDT2 |
| 3426 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); | |
| 3427 #else /* USDT2 */ | |
| 3428 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3429 env, length, elementClass, initialElement); | |
| 3430 #endif /* USDT2 */ | |
| 0 | 3431 jobjectArray ret = NULL; |
| 3432 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
6725
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6964458: Reimplement class meta-data storage to use native memory
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6197
diff
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|
3433 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3434 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3435 KlassHandle ak = KlassHandle(THREAD, ako); |
|
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d8ce2825b193
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coleenp
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6725
diff
changeset
|
3436 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
changeset
|
3437 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3438 oop initial_value = JNIHandles::resolve(initialElement); |
| 3439 if (initial_value != NULL) { // array already initialized with NULL | |
| 3440 for (int index = 0; index < length; index++) { | |
| 3441 result->obj_at_put(index, initial_value); | |
| 3442 } | |
| 3443 } | |
| 3444 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3445 return ret; | |
| 3446 JNI_END | |
| 3447 | |
| 14909 | 3448 #ifndef USDT2 |
| 3449 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); | |
| 3450 #else /* USDT2 */ | |
| 4006 | 3451 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject |
| 3452 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 14909 | 3453 #endif /* USDT2 */ |
| 0 | 3454 |
| 3455 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3456 JNIWrapper("GetObjectArrayElement"); | |
| 14909 | 3457 #ifndef USDT2 |
| 3458 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); | |
| 3459 #else /* USDT2 */ | |
| 3460 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3461 env, array, index); | |
| 3462 #endif /* USDT2 */ | |
| 0 | 3463 jobject ret = NULL; |
| 3464 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3465 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3466 if (a->is_within_bounds(index)) { | |
|
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
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973
diff
changeset
|
3467 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3468 return ret; |
| 3469 } else { | |
| 3470 char buf[jintAsStringSize]; | |
| 3471 sprintf(buf, "%d", index); | |
| 3472 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3473 } | |
| 3474 JNI_END | |
| 3475 | |
| 14909 | 3476 #ifndef USDT2 |
| 3477 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); | |
| 3478 #else /* USDT2 */ | |
| 4006 | 3479 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement |
| 3480 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 14909 | 3481 #endif /* USDT2 */ |
| 0 | 3482 |
| 3483 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3484 JNIWrapper("SetObjectArrayElement"); | |
| 14909 | 3485 #ifndef USDT2 |
| 3486 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); | |
| 3487 #else /* USDT2 */ | |
| 3488 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3489 env, array, index, value); | |
| 3490 #endif /* USDT2 */ | |
| 0 | 3491 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3492 | |
| 3493 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3494 oop v = JNIHandles::resolve(value); | |
| 3495 if (a->is_within_bounds(index)) { | |
|
6831
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8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
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6725
diff
changeset
|
3496 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3497 a->obj_at_put(index, v); |
| 3498 } else { | |
| 3499 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3500 } | |
| 3501 } else { | |
| 3502 char buf[jintAsStringSize]; | |
| 3503 sprintf(buf, "%d", index); | |
| 3504 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3505 } | |
| 3506 JNI_END | |
| 3507 | |
| 3508 | |
| 14909 | 3509 #ifndef USDT2 |
| 3510 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ | |
| 3511 \ | |
| 3512 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ | |
| 3513 \ | |
| 3514 JNI_ENTRY(Return, \ | |
| 3515 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3516 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3517 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3518 Return ret = NULL;\ | |
| 3519 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3520 \ | |
| 3521 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3522 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3523 return ret;\ | |
| 3524 JNI_END | |
| 3525 | |
| 3526 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3527 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3528 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3529 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3530 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3531 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3532 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3533 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3534 | |
| 3535 #else /* USDT2 */ | |
| 4006 | 3536 |
| 3537 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3538 ,EntryProbe,ReturnProbe) \ | |
| 3539 \ | |
| 3540 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3541 , ReturnProbe); \ | |
| 3542 \ | |
| 3543 JNI_ENTRY(Return, \ | |
| 3544 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3545 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3546 EntryProbe; \ | |
| 3547 Return ret = NULL;\ | |
| 3548 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3549 \ | |
| 3550 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3551 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3552 return ret;\ | |
| 3553 JNI_END | |
| 3554 | |
| 3555 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3556 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3557 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3558 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3559 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3560 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3561 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3562 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3563 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3564 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3565 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3566 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3567 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3568 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3569 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3570 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3571 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3572 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3573 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3574 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3575 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3576 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3577 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3578 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 14909 | 3579 #endif /* USDT2 */ |
| 0 | 3580 |
| 3581 // Return an address which will fault if the caller writes to it. | |
| 3582 | |
| 3583 static char* get_bad_address() { | |
| 3584 static char* bad_address = NULL; | |
| 3585 if (bad_address == NULL) { | |
| 3586 size_t size = os::vm_allocation_granularity(); | |
| 3587 bad_address = os::reserve_memory(size); | |
| 3588 if (bad_address != NULL) { | |
|
477
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
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237
diff
changeset
|
3589 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
24fda36852ce
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237
diff
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|
3590 /*is_committed*/false); |
| 0 | 3591 } |
| 3592 } | |
| 3593 return bad_address; | |
| 3594 } | |
| 3595 | |
| 3596 | |
| 14909 | 3597 #ifndef USDT2 |
| 3598 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ | |
| 3599 \ | |
| 3600 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3601 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3602 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3603 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3604 /* allocate an chunk of memory in c land */ \ | |
| 3605 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3606 ElementType* result; \ | |
| 3607 int len = a->length(); \ | |
| 3608 if (len == 0) { \ | |
| 3609 /* Empty array: legal but useless, can't return NULL. \ | |
| 3610 * Return a pointer to something useless. \ | |
| 3611 * Avoid asserts in typeArrayOop. */ \ | |
| 3612 result = (ElementType*)get_bad_address(); \ | |
| 3613 } else { \ | |
| 3614 /* JNI Specification states return NULL on OOM */ \ | |
| 3615 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ | |
| 3616 if (result != NULL) { \ | |
| 3617 /* copy the array to the c chunk */ \ | |
| 3618 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3619 if (isCopy) { \ | |
| 3620 *isCopy = JNI_TRUE; \ | |
| 3621 } \ | |
| 3622 } \ | |
| 3623 } \ | |
| 3624 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3625 return result; \ | |
| 3626 JNI_END | |
| 3627 | |
| 3628 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3629 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3630 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3631 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3632 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3633 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3634 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3635 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3636 | |
| 3637 #else /* USDT2 */ | |
| 4006 | 3638 |
| 3639 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3640 , EntryProbe, ReturnProbe) \ | |
| 3641 \ | |
| 3642 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3643 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3644 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3645 EntryProbe; \ | |
| 3646 /* allocate an chunk of memory in c land */ \ | |
| 3647 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3648 ElementType* result; \ | |
| 3649 int len = a->length(); \ | |
| 3650 if (len == 0) { \ | |
| 3651 /* Empty array: legal but useless, can't return NULL. \ | |
| 3652 * Return a pointer to something useless. \ | |
| 3653 * Avoid asserts in typeArrayOop. */ \ | |
| 3654 result = (ElementType*)get_bad_address(); \ | |
| 3655 } else { \ | |
|
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3656 /* JNI Specification states return NULL on OOM */ \ |
|
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changeset
|
3657 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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changeset
|
3658 if (result != NULL) { \ |
|
faf2631b9334
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11092
diff
changeset
|
3659 /* copy the array to the c chunk */ \ |
|
faf2631b9334
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dsimms
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11092
diff
changeset
|
3660 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
faf2631b9334
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changeset
|
3661 if (isCopy) { \ |
|
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diff
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|
3662 *isCopy = JNI_TRUE; \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
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11092
diff
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|
3663 } \ |
|
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|
3664 } \ |
| 4006 | 3665 } \ |
| 3666 ReturnProbe; \ | |
| 3667 return result; \ | |
| 3668 JNI_END | |
| 3669 | |
| 3670 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3671 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3672 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3673 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3674 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3675 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3676 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3677 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3678 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3679 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3680 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3681 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3682 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3683 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3684 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3685 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3686 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3687 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3688 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3689 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3690 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3691 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3692 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3693 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3694 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 14909 | 3695 #endif /* USDT2 */ |
| 3696 | |
| 3697 #ifndef USDT2 | |
| 3698 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ | |
| 3699 \ | |
| 3700 JNI_QUICK_ENTRY(void, \ | |
| 3701 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3702 ElementType *buf, jint mode)) \ | |
| 3703 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3704 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3705 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3706 int len = a->length(); \ | |
| 3707 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3708 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3709 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3710 } \ | |
| 3711 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3712 FreeHeap(buf); \ | |
| 3713 } \ | |
| 3714 } \ | |
| 3715 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3716 JNI_END | |
| 3717 | |
| 3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3721 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3722 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3723 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3724 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3725 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3726 | |
| 3727 #else /* USDT2 */ | |
| 4006 | 3728 |
| 3729 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3730 , EntryProbe, ReturnProbe);\ | |
| 3731 \ | |
| 3732 JNI_QUICK_ENTRY(void, \ | |
| 3733 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3734 ElementType *buf, jint mode)) \ | |
| 3735 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3736 EntryProbe; \ | |
| 3737 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3738 int len = a->length(); \ | |
| 3739 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3740 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3741 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3742 } \ | |
| 3743 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3744 FreeHeap(buf); \ | |
| 3745 } \ | |
| 3746 } \ | |
| 3747 ReturnProbe; \ | |
| 3748 JNI_END | |
| 3749 | |
| 3750 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3751 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3752 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3753 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3754 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3755 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3756 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3757 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3758 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3759 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3760 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3761 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3762 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3763 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3764 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3765 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3766 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3767 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3768 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3769 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3770 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3771 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3772 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3773 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 14909 | 3774 #endif /* USDT2 */ |
| 3775 | |
| 3776 #ifndef USDT2 | |
| 3777 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ | |
| 3778 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3779 \ | |
| 3780 JNI_ENTRY(void, \ | |
| 3781 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3782 jsize len, ElementType *buf)) \ | |
| 3783 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3784 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3785 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3786 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3787 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3788 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3789 } else { \ | |
| 3790 if (len > 0) { \ | |
| 3791 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ | |
| 3792 memcpy((u_char*) buf, \ | |
| 3793 (u_char*) src->Tag##_at_addr(start), \ | |
| 3794 len << sc); \ | |
| 3795 } \ | |
| 3796 } \ | |
| 3797 JNI_END | |
| 3798 | |
| 3799 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3800 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3801 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3802 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3803 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3804 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3805 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3806 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3807 | |
| 3808 #else /* USDT2 */ | |
| 4006 | 3809 |
| 3810 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3811 , EntryProbe, ReturnProbe); \ | |
| 3812 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3813 , ReturnProbe); \ | |
| 3814 \ | |
| 3815 JNI_ENTRY(void, \ | |
| 3816 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3817 jsize len, ElementType *buf)) \ | |
| 3818 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3819 EntryProbe; \ | |
| 3820 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3821 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3822 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3823 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3824 } else { \ | |
| 3825 if (len > 0) { \ | |
|
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diff
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|
3826 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3827 memcpy((u_char*) buf, \ |
| 3828 (u_char*) src->Tag##_at_addr(start), \ | |
| 3829 len << sc); \ | |
| 3830 } \ | |
| 3831 } \ | |
| 3832 JNI_END | |
| 3833 | |
| 3834 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3835 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3836 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3837 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3838 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3839 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3840 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3841 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3842 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3843 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3844 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3845 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3846 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3847 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3848 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3849 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3850 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3851 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3852 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3853 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3854 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3855 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3856 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3857 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 14909 | 3858 #endif /* USDT2 */ |
| 3859 | |
| 3860 #ifndef USDT2 | |
| 3861 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ | |
| 3862 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3863 \ | |
| 3864 JNI_ENTRY(void, \ | |
| 3865 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3866 jsize len, const ElementType *buf)) \ | |
| 3867 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3868 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3869 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3870 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3871 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3872 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3873 } else { \ | |
| 3874 if (len > 0) { \ | |
| 3875 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ | |
| 3876 memcpy((u_char*) dst->Tag##_at_addr(start), \ | |
| 3877 (u_char*) buf, \ | |
| 3878 len << sc); \ | |
| 3879 } \ | |
| 3880 } \ | |
| 3881 JNI_END | |
| 3882 | |
| 3883 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3884 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3885 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3886 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3887 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3888 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3889 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3890 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3891 | |
| 3892 #else /* USDT2 */ | |
| 4006 | 3893 |
| 3894 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3895 , EntryProbe, ReturnProbe); \ | |
| 3896 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3897 ,ReturnProbe); \ | |
| 3898 \ | |
| 3899 JNI_ENTRY(void, \ | |
| 3900 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3901 jsize len, const ElementType *buf)) \ | |
| 3902 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3903 EntryProbe; \ | |
| 3904 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3905 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3906 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3907 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3908 } else { \ | |
| 3909 if (len > 0) { \ | |
|
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|
3910 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3911 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3912 (u_char*) buf, \ | |
| 3913 len << sc); \ | |
| 3914 } \ | |
| 3915 } \ | |
| 3916 JNI_END | |
| 3917 | |
| 3918 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3919 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3920 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3921 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3922 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3923 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3924 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3925 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3926 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3927 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3928 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3929 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3930 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3931 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3932 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3933 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3934 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3935 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3936 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3937 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3938 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3939 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3940 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3941 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 14909 | 3942 #endif /* USDT2 */ |
| 4006 | 3943 |
| 0 | 3944 |
| 3945 // | |
| 3946 // Interception of natives | |
| 3947 // | |
| 3948 | |
| 3949 // The RegisterNatives call being attempted tried to register with a method that | |
| 3950 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3951 // to see if the native method is now wrapped with the prefixes. See the | |
| 3952 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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3953 static Method* find_prefixed_native(KlassHandle k, |
|
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diff
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|
3954 Symbol* name, Symbol* signature, TRAPS) { |
|
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6725
diff
changeset
|
3955 #if INCLUDE_JVMTI |
| 0 | 3956 ResourceMark rm(THREAD); |
|
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|
3957 Method* method; |
| 0 | 3958 int name_len = name->utf8_length(); |
| 3959 char* name_str = name->as_utf8(); | |
| 3960 int prefix_count; | |
| 3961 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3962 for (int i = 0; i < prefix_count; i++) { | |
| 3963 char* prefix = prefixes[i]; | |
| 3964 int prefix_len = (int)strlen(prefix); | |
| 3965 | |
| 3966 // try adding this prefix to the method name and see if it matches another method name | |
| 3967 int trial_len = name_len + prefix_len; | |
| 3968 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3969 strcpy(trial_name_str, prefix); | |
| 3970 strcat(trial_name_str, name_str); | |
|
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parents:
1989
diff
changeset
|
3971 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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1989
diff
changeset
|
3972 if (trial_name == NULL) { |
| 0 | 3973 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3974 } | |
| 6983 | 3975 method = k()->lookup_method(trial_name, signature); |
| 0 | 3976 if (method == NULL) { |
| 3977 continue; // signature doesn't match, try the next prefix | |
| 3978 } | |
| 3979 if (method->is_native()) { | |
| 3980 method->set_is_prefixed_native(); | |
| 3981 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3982 } | |
| 3983 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3984 name_len = trial_len; | |
| 3985 name_str = trial_name_str; | |
| 3986 } | |
|
6854
fb19af007ffc
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6725
diff
changeset
|
3987 #endif // INCLUDE_JVMTI |
| 0 | 3988 return NULL; // not found |
| 3989 } | |
| 3990 | |
|
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diff
changeset
|
3991 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 3992 Method* method = k()->lookup_method(name, signature); |
| 0 | 3993 if (method == NULL) { |
| 3994 ResourceMark rm; | |
| 3995 stringStream st; | |
| 3996 st.print("Method %s name or signature does not match", | |
| 6983 | 3997 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3998 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3999 } | |
| 4000 if (!method->is_native()) { | |
| 4001 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 4002 method = find_prefixed_native(k, name, signature, THREAD); | |
| 4003 if (method == NULL) { | |
| 4004 ResourceMark rm; | |
| 4005 stringStream st; | |
| 4006 st.print("Method %s is not declared as native", | |
| 6983 | 4007 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4008 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4009 } | |
| 4010 } | |
| 4011 | |
| 4012 if (entry != NULL) { | |
| 4013 method->set_native_function(entry, | |
|
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diff
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|
4014 Method::native_bind_event_is_interesting); |
| 0 | 4015 } else { |
| 4016 method->clear_native_function(); | |
| 4017 } | |
| 4018 if (PrintJNIResolving) { | |
| 4019 ResourceMark rm(THREAD); | |
| 4020 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
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6856
diff
changeset
|
4021 method->method_holder()->external_name(), |
| 0 | 4022 method->name()->as_C_string()); |
| 4023 } | |
| 4024 return true; | |
| 4025 } | |
| 4026 | |
| 14909 | 4027 #ifndef USDT2 |
| 4028 DT_RETURN_MARK_DECL(RegisterNatives, jint); | |
| 4029 #else /* USDT2 */ | |
| 4006 | 4030 DT_RETURN_MARK_DECL(RegisterNatives, jint |
| 4031 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 14909 | 4032 #endif /* USDT2 */ |
| 0 | 4033 |
| 4034 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4035 const JNINativeMethod *methods, | |
| 4036 jint nMethods)) | |
| 4037 JNIWrapper("RegisterNatives"); | |
| 14909 | 4038 #ifndef USDT2 |
| 4039 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); | |
| 4040 #else /* USDT2 */ | |
| 4041 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4042 env, clazz, (void *) methods, nMethods); | |
| 4043 #endif /* USDT2 */ | |
| 0 | 4044 jint ret = 0; |
| 4045 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4046 | |
|
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diff
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|
4047 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4048 |
| 4049 for (int index = 0; index < nMethods; index++) { | |
| 4050 const char* meth_name = methods[index].name; | |
| 4051 const char* meth_sig = methods[index].signature; | |
| 4052 int meth_name_len = (int)strlen(meth_name); | |
| 4053 | |
| 4054 // The class should have been loaded (we have an instance of the class | |
| 4055 // passed in) so the method and signature should already be in the symbol | |
| 4056 // table. If they're not there, the method doesn't exist. | |
|
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1989
diff
changeset
|
4057 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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parents:
1989
diff
changeset
|
4058 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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1989
diff
changeset
|
4059 |
|
3582bf76420e
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1989
diff
changeset
|
4060 if (name == NULL || signature == NULL) { |
| 0 | 4061 ResourceMark rm; |
| 4062 stringStream st; | |
| 6983 | 4063 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4064 // Must return negative value on failure |
| 4065 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4066 } | |
| 4067 | |
| 4068 bool res = register_native(h_k, name, signature, | |
| 4069 (address) methods[index].fnPtr, THREAD); | |
| 4070 if (!res) { | |
| 4071 ret = -1; | |
| 4072 break; | |
| 4073 } | |
| 4074 } | |
| 4075 return ret; | |
| 4076 JNI_END | |
| 4077 | |
| 4078 | |
| 4079 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4080 JNIWrapper("UnregisterNatives"); | |
| 14909 | 4081 #ifndef USDT2 |
| 4082 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); | |
| 4083 #else /* USDT2 */ | |
| 4084 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4085 env, clazz); | |
| 4086 #endif /* USDT2 */ | |
|
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6197
diff
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|
4087 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4088 //%note jni_2 |
| 6983 | 4089 if (k->oop_is_instance()) { |
|
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diff
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|
4090 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
da91efe96a93
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diff
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|
4091 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4092 if (m->is_native()) { |
| 4093 m->clear_native_function(); | |
| 4094 m->set_signature_handler(NULL); | |
| 4095 } | |
| 4096 } | |
| 4097 } | |
| 14909 | 4098 #ifndef USDT2 |
| 4099 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); | |
| 4100 #else /* USDT2 */ | |
| 4101 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4102 0); | |
| 4103 #endif /* USDT2 */ | |
| 0 | 4104 return 0; |
| 4105 JNI_END | |
| 4106 | |
| 4107 // | |
| 4108 // Monitor functions | |
| 4109 // | |
| 4110 | |
| 14909 | 4111 #ifndef USDT2 |
| 4112 DT_RETURN_MARK_DECL(MonitorEnter, jint); | |
| 4113 #else /* USDT2 */ | |
| 4006 | 4114 DT_RETURN_MARK_DECL(MonitorEnter, jint |
| 4115 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 14909 | 4116 #endif /* USDT2 */ |
| 0 | 4117 |
| 4118 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 14909 | 4119 #ifndef USDT2 |
| 4120 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); | |
| 4121 #else /* USDT2 */ | |
| 4122 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4123 env, jobj); | |
| 4124 #endif /* USDT2 */ | |
| 0 | 4125 jint ret = JNI_ERR; |
| 4126 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4127 | |
| 4128 // If the object is null, we can't do anything with it | |
| 4129 if (jobj == NULL) { | |
| 4130 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4131 } | |
| 4132 | |
| 4133 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4134 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4135 ret = JNI_OK; | |
| 4136 return ret; | |
| 4137 JNI_END | |
| 4138 | |
| 14909 | 4139 #ifndef USDT2 |
| 4140 DT_RETURN_MARK_DECL(MonitorExit, jint); | |
| 4141 #else /* USDT2 */ | |
| 4006 | 4142 DT_RETURN_MARK_DECL(MonitorExit, jint |
| 4143 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 14909 | 4144 #endif /* USDT2 */ |
| 0 | 4145 |
| 4146 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 14909 | 4147 #ifndef USDT2 |
| 4148 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); | |
| 4149 #else /* USDT2 */ | |
| 4150 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4151 env, jobj); | |
| 4152 #endif /* USDT2 */ | |
| 0 | 4153 jint ret = JNI_ERR; |
| 4154 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4155 | |
| 4156 // Don't do anything with a null object | |
| 4157 if (jobj == NULL) { | |
| 4158 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4159 } | |
| 4160 | |
| 4161 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4162 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4163 | |
| 4164 ret = JNI_OK; | |
| 4165 return ret; | |
| 4166 JNI_END | |
| 4167 | |
| 4168 // | |
| 4169 // Extensions | |
| 4170 // | |
| 4171 | |
| 14909 | 4172 #ifndef USDT2 |
| 4173 DT_VOID_RETURN_MARK_DECL(GetStringRegion); | |
| 4174 #else /* USDT2 */ | |
| 4006 | 4175 DT_VOID_RETURN_MARK_DECL(GetStringRegion |
| 4176 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 14909 | 4177 #endif /* USDT2 */ |
| 0 | 4178 |
| 4179 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4180 JNIWrapper("GetStringRegion"); | |
| 14909 | 4181 #ifndef USDT2 |
| 4182 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); | |
| 4183 #else /* USDT2 */ | |
| 4184 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4185 env, string, start, len, buf); | |
| 4186 #endif /* USDT2 */ | |
| 0 | 4187 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4188 oop s = JNIHandles::resolve_non_null(string); | |
| 4189 int s_len = java_lang_String::length(s); | |
| 4190 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4191 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4192 } else { | |
| 4193 if (len > 0) { | |
| 4194 int s_offset = java_lang_String::offset(s); | |
| 4195 typeArrayOop s_value = java_lang_String::value(s); | |
| 4196 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4197 } | |
| 4198 } | |
| 4199 JNI_END | |
| 4200 | |
| 14909 | 4201 #ifndef USDT2 |
| 4202 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); | |
| 4203 #else /* USDT2 */ | |
| 4006 | 4204 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion |
| 4205 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 14909 | 4206 #endif /* USDT2 */ |
| 0 | 4207 |
| 4208 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4209 JNIWrapper("GetStringUTFRegion"); | |
| 14909 | 4210 #ifndef USDT2 |
| 4211 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); | |
| 4212 #else /* USDT2 */ | |
| 4213 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4214 env, string, start, len, buf); | |
| 4215 #endif /* USDT2 */ | |
| 0 | 4216 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4217 oop s = JNIHandles::resolve_non_null(string); | |
| 4218 int s_len = java_lang_String::length(s); | |
| 4219 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4220 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4221 } else { | |
| 4222 //%note jni_7 | |
| 4223 if (len > 0) { | |
| 4224 ResourceMark rm(THREAD); | |
| 4225 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4226 int utf_len = (int)strlen(utf_region); | |
| 4227 memcpy(buf, utf_region, utf_len); | |
| 4228 buf[utf_len] = 0; | |
| 4229 } else { | |
| 4230 // JDK null-terminates the buffer even in len is zero | |
| 4231 if (buf != NULL) { | |
| 4232 buf[0] = 0; | |
| 4233 } | |
| 4234 } | |
| 4235 } | |
| 4236 JNI_END | |
| 4237 | |
| 4238 | |
| 4239 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4240 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 14909 | 4241 #ifndef USDT2 |
| 4242 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); | |
| 4243 #else /* USDT2 */ | |
| 4244 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4245 env, array, (uintptr_t *) isCopy); | |
| 4246 #endif /* USDT2 */ | |
| 0 | 4247 GC_locker::lock_critical(thread); |
| 4248 if (isCopy != NULL) { | |
| 4249 *isCopy = JNI_FALSE; | |
| 4250 } | |
| 4251 oop a = JNIHandles::resolve_non_null(array); | |
| 4252 assert(a->is_array(), "just checking"); | |
| 4253 BasicType type; | |
| 4254 if (a->is_objArray()) { | |
| 4255 type = T_OBJECT; | |
| 4256 } else { | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
4257 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4258 } |
| 4259 void* ret = arrayOop(a)->base(type); | |
| 14909 | 4260 #ifndef USDT2 |
| 4261 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); | |
| 4262 #else /* USDT2 */ | |
| 4263 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4264 ret); | |
| 4265 #endif /* USDT2 */ | |
| 0 | 4266 return ret; |
| 4267 JNI_END | |
| 4268 | |
| 4269 | |
| 4270 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4271 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 14909 | 4272 #ifndef USDT2 |
| 4273 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); | |
| 4274 #else /* USDT2 */ | |
| 4275 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4276 env, array, carray, mode); | |
| 4277 #endif /* USDT2 */ | |
| 0 | 4278 // The array, carray and mode arguments are ignored |
| 4279 GC_locker::unlock_critical(thread); | |
| 14909 | 4280 #ifndef USDT2 |
| 4281 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); | |
| 4282 #else /* USDT2 */ | |
| 4283 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4284 ); | |
| 4285 #endif /* USDT2 */ | |
| 0 | 4286 JNI_END |
| 4287 | |
| 4288 | |
| 4289 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4290 JNIWrapper("GetStringCritical"); | |
| 14909 | 4291 #ifndef USDT2 |
| 4292 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); | |
| 4293 #else /* USDT2 */ | |
| 4294 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4295 env, string, (uintptr_t *) isCopy); | |
| 4296 #endif /* USDT2 */ | |
| 0 | 4297 GC_locker::lock_critical(thread); |
| 4298 if (isCopy != NULL) { | |
| 4299 *isCopy = JNI_FALSE; | |
| 4300 } | |
| 4301 oop s = JNIHandles::resolve_non_null(string); | |
| 4302 int s_len = java_lang_String::length(s); | |
| 4303 typeArrayOop s_value = java_lang_String::value(s); | |
| 4304 int s_offset = java_lang_String::offset(s); | |
| 4305 const jchar* ret; | |
| 4306 if (s_len > 0) { | |
| 4307 ret = s_value->char_at_addr(s_offset); | |
| 4308 } else { | |
| 4309 ret = (jchar*) s_value->base(T_CHAR); | |
| 4310 } | |
| 14909 | 4311 #ifndef USDT2 |
| 4312 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); | |
| 4313 #else /* USDT2 */ | |
| 4314 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4315 (uint16_t *) ret); | |
| 4316 #endif /* USDT2 */ | |
| 0 | 4317 return ret; |
| 4318 JNI_END | |
| 4319 | |
| 4320 | |
| 4321 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4322 JNIWrapper("ReleaseStringCritical"); | |
| 14909 | 4323 #ifndef USDT2 |
| 4324 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); | |
| 4325 #else /* USDT2 */ | |
| 4326 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4327 env, str, (uint16_t *) chars); | |
| 4328 #endif /* USDT2 */ | |
| 0 | 4329 // The str and chars arguments are ignored |
| 4330 GC_locker::unlock_critical(thread); | |
| 14909 | 4331 #ifndef USDT2 |
| 4332 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); | |
| 4333 #else /* USDT2 */ | |
| 4334 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4335 ); | |
| 4336 #endif /* USDT2 */ | |
| 0 | 4337 JNI_END |
| 4338 | |
| 4339 | |
| 4340 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4341 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 14909 | 4342 #ifndef USDT2 |
| 4343 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); | |
| 4344 #else /* USDT2 */ | |
| 4345 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4346 env, ref); | |
| 4347 #endif /* USDT2 */ | |
| 0 | 4348 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4349 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 14909 | 4350 #ifndef USDT2 |
| 4351 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); | |
| 4352 #else /* USDT2 */ | |
| 4353 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4354 ret); | |
| 4355 #endif /* USDT2 */ | |
| 0 | 4356 return ret; |
| 4357 JNI_END | |
| 4358 | |
| 4359 // Must be JNI_ENTRY (with HandleMark) | |
| 4360 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4361 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 14909 | 4362 #ifndef USDT2 |
| 4363 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); | |
| 4364 #else /* USDT2 */ | |
| 4365 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4366 env, ref); | |
| 4367 #endif /* USDT2 */ | |
| 0 | 4368 JNIHandles::destroy_weak_global(ref); |
| 14909 | 4369 #ifndef USDT2 |
| 4370 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); | |
| 4371 #else /* USDT2 */ | |
| 4372 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4373 ); | |
| 4374 #endif /* USDT2 */ | |
| 0 | 4375 JNI_END |
| 4376 | |
| 4377 | |
| 4378 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4379 JNIWrapper("jni_ExceptionCheck"); | |
| 14909 | 4380 #ifndef USDT2 |
| 4381 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); | |
| 4382 #else /* USDT2 */ | |
| 4383 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4384 env); | |
| 4385 #endif /* USDT2 */ | |
| 0 | 4386 jni_check_async_exceptions(thread); |
| 4387 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 14909 | 4388 #ifndef USDT2 |
| 4389 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); | |
| 4390 #else /* USDT2 */ | |
| 4391 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4392 ret); | |
| 4393 #endif /* USDT2 */ | |
| 0 | 4394 return ret; |
| 4395 JNI_END | |
| 4396 | |
| 4397 | |
| 4398 // Initialization state for three routines below relating to | |
| 4399 // java.nio.DirectBuffers | |
| 4400 static jint directBufferSupportInitializeStarted = 0; | |
| 4401 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4402 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4403 static jclass bufferClass = NULL; | |
| 4404 static jclass directBufferClass = NULL; | |
| 4405 static jclass directByteBufferClass = NULL; | |
| 4406 static jmethodID directByteBufferConstructor = NULL; | |
| 4407 static jfieldID directBufferAddressField = NULL; | |
| 4408 static jfieldID bufferCapacityField = NULL; | |
| 4409 | |
| 4410 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4411 Handle loader; // null (bootstrap) loader | |
| 4412 Handle protection_domain; // null protection domain | |
| 4413 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4414 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4415 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
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diff
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|
4416 |
|
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diff
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|
4417 if (TraceClassResolution && result != NULL) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6197
diff
changeset
|
4418 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
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|
4419 } |
|
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|
4420 return result; |
| 0 | 4421 } |
| 4422 | |
| 4423 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4424 // circumvent any security checks that would be done by jni_FindClass. | |
| 4425 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4426 { | |
| 4427 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4428 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4429 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4430 return true; | |
| 4431 } | |
| 4432 JNI_END | |
| 4433 | |
| 4434 | |
| 4435 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4436 if (directBufferSupportInitializeFailed) { | |
| 4437 return false; | |
| 4438 } | |
| 4439 | |
| 4440 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4441 if (!lookupDirectBufferClasses(env)) { | |
| 4442 directBufferSupportInitializeFailed = 1; | |
| 4443 return false; | |
| 4444 } | |
| 4445 | |
| 4446 // Make global references for these | |
| 4447 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4448 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4449 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4450 | |
| 4451 // Get needed field and method IDs | |
| 4452 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4453 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4454 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4455 | |
| 4456 if ((directByteBufferConstructor == NULL) || | |
| 4457 (directBufferAddressField == NULL) || | |
| 4458 (bufferCapacityField == NULL)) { | |
| 4459 directBufferSupportInitializeFailed = 1; | |
| 4460 return false; | |
| 4461 } | |
| 4462 | |
| 4463 directBufferSupportInitializeEnded = 1; | |
| 4464 } else { | |
| 4465 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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parents:
477
diff
changeset
|
4466 // 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
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parents:
477
diff
changeset
|
4467 // 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
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parents:
477
diff
changeset
|
4468 // 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
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parents:
477
diff
changeset
|
4469 // 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
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parents:
477
diff
changeset
|
4470 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
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diff
changeset
|
4471 ThreadInVMfromNative tivn(thread); |
| 0 | 4472 os::yield_all(); |
| 4473 } | |
| 4474 } | |
| 4475 | |
| 4476 return !directBufferSupportInitializeFailed; | |
| 4477 } | |
| 4478 | |
| 4479 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4480 { | |
| 4481 // thread_from_jni_environment() will block if VM is gone. | |
| 4482 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4483 | |
| 4484 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 14909 | 4485 #ifndef USDT2 |
| 4486 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); | |
| 4487 #else /* USDT2 */ | |
| 4488 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4489 env, address, capacity); | |
| 4490 #endif /* USDT2 */ | |
| 0 | 4491 |
| 4492 if (!directBufferSupportInitializeEnded) { | |
| 4493 if (!initializeDirectBufferSupport(env, thread)) { | |
| 14909 | 4494 #ifndef USDT2 |
| 4495 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); | |
| 4496 #else /* USDT2 */ | |
| 4497 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4498 NULL); | |
| 4499 #endif /* USDT2 */ | |
| 0 | 4500 return NULL; |
| 4501 } | |
| 4502 } | |
| 4503 | |
| 4504 // Being paranoid about accidental sign extension on address | |
| 4505 jlong addr = (jlong) ((uintptr_t) address); | |
| 4506 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4507 // takes int capacity | |
| 4508 jint cap = (jint) capacity; | |
| 4509 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 14909 | 4510 #ifndef USDT2 |
| 4511 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); | |
| 4512 #else /* USDT2 */ | |
| 4513 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4514 ret); | |
| 4515 #endif /* USDT2 */ | |
| 0 | 4516 return ret; |
| 4517 } | |
| 4518 | |
| 14909 | 4519 #ifndef USDT2 |
| 4520 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); | |
| 4521 #else /* USDT2 */ | |
| 4006 | 4522 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* |
| 4523 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 14909 | 4524 #endif /* USDT2 */ |
| 0 | 4525 |
| 4526 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4527 { | |
| 4528 // thread_from_jni_environment() will block if VM is gone. | |
| 4529 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4530 | |
| 4531 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 14909 | 4532 #ifndef USDT2 |
| 4533 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); | |
| 4534 #else /* USDT2 */ | |
| 4535 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4536 env, buf); | |
| 4537 #endif /* USDT2 */ | |
| 0 | 4538 void* ret = NULL; |
| 4539 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4540 | |
| 4541 if (!directBufferSupportInitializeEnded) { | |
| 4542 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4543 return 0; | |
| 4544 } | |
| 4545 } | |
| 4546 | |
| 4547 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4548 return 0; | |
| 4549 } | |
| 4550 | |
| 4551 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4552 return ret; | |
| 4553 } | |
| 4554 | |
| 14909 | 4555 #ifndef USDT2 |
| 4556 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); | |
| 4557 #else /* USDT2 */ | |
| 4006 | 4558 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong |
| 4559 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 14909 | 4560 #endif /* USDT2 */ |
| 0 | 4561 |
| 4562 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4563 { | |
| 4564 // thread_from_jni_environment() will block if VM is gone. | |
| 4565 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4566 | |
| 4567 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 14909 | 4568 #ifndef USDT2 |
| 4569 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); | |
| 4570 #else /* USDT2 */ | |
| 4571 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4572 env, buf); | |
| 4573 #endif /* USDT2 */ | |
| 0 | 4574 jlong ret = -1; |
| 4575 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4576 | |
| 4577 if (!directBufferSupportInitializeEnded) { | |
| 4578 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4579 ret = 0; | |
| 4580 return ret; | |
| 4581 } | |
| 4582 } | |
| 4583 | |
| 4584 if (buf == NULL) { | |
| 4585 return -1; | |
| 4586 } | |
| 4587 | |
| 4588 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4589 return -1; | |
| 4590 } | |
| 4591 | |
| 4592 // NOTE that capacity is currently an int in the implementation | |
| 4593 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4594 return ret; | |
| 4595 } | |
| 4596 | |
| 4597 | |
| 4598 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4599 JNIWrapper("GetVersion"); | |
| 14909 | 4600 #ifndef USDT2 |
| 4601 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); | |
| 4602 #else /* USDT2 */ | |
| 4603 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4604 env); | |
| 4605 #endif /* USDT2 */ | |
| 4606 #ifndef USDT2 | |
| 4607 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); | |
| 4608 #else /* USDT2 */ | |
| 4609 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4610 CurrentVersion); | |
| 4611 #endif /* USDT2 */ | |
| 0 | 4612 return CurrentVersion; |
| 4613 JNI_END | |
| 4614 | |
| 4615 extern struct JavaVM_ main_vm; | |
| 4616 | |
| 4617 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4618 JNIWrapper("jni_GetJavaVM"); | |
| 14909 | 4619 #ifndef USDT2 |
| 4620 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); | |
| 4621 #else /* USDT2 */ | |
| 4622 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4623 env, (void **) vm); | |
| 4624 #endif /* USDT2 */ | |
| 0 | 4625 *vm = (JavaVM *)(&main_vm); |
| 14909 | 4626 #ifndef USDT2 |
| 4627 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); | |
| 4628 #else /* USDT2 */ | |
| 4629 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4630 JNI_OK); | |
| 4631 #endif /* USDT2 */ | |
| 0 | 4632 return JNI_OK; |
| 4633 JNI_END | |
| 4634 | |
| 4635 // Structure containing all jni functions | |
| 4636 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4637 NULL, | |
| 4638 NULL, | |
| 4639 NULL, | |
| 4640 | |
| 4641 NULL, | |
| 4642 | |
| 4643 jni_GetVersion, | |
| 4644 | |
| 4645 jni_DefineClass, | |
| 4646 jni_FindClass, | |
| 4647 | |
| 4648 jni_FromReflectedMethod, | |
| 4649 jni_FromReflectedField, | |
| 4650 | |
| 4651 jni_ToReflectedMethod, | |
| 4652 | |
| 4653 jni_GetSuperclass, | |
| 4654 jni_IsAssignableFrom, | |
| 4655 | |
| 4656 jni_ToReflectedField, | |
| 4657 | |
| 4658 jni_Throw, | |
| 4659 jni_ThrowNew, | |
| 4660 jni_ExceptionOccurred, | |
| 4661 jni_ExceptionDescribe, | |
| 4662 jni_ExceptionClear, | |
| 4663 jni_FatalError, | |
| 4664 | |
| 4665 jni_PushLocalFrame, | |
| 4666 jni_PopLocalFrame, | |
| 4667 | |
| 4668 jni_NewGlobalRef, | |
| 4669 jni_DeleteGlobalRef, | |
| 4670 jni_DeleteLocalRef, | |
| 4671 jni_IsSameObject, | |
| 4672 | |
| 4673 jni_NewLocalRef, | |
| 4674 jni_EnsureLocalCapacity, | |
| 4675 | |
| 4676 jni_AllocObject, | |
| 4677 jni_NewObject, | |
| 4678 jni_NewObjectV, | |
| 4679 jni_NewObjectA, | |
| 4680 | |
| 4681 jni_GetObjectClass, | |
| 4682 jni_IsInstanceOf, | |
| 4683 | |
| 4684 jni_GetMethodID, | |
| 4685 | |
| 4686 jni_CallObjectMethod, | |
| 4687 jni_CallObjectMethodV, | |
| 4688 jni_CallObjectMethodA, | |
| 4689 jni_CallBooleanMethod, | |
| 4690 jni_CallBooleanMethodV, | |
| 4691 jni_CallBooleanMethodA, | |
| 4692 jni_CallByteMethod, | |
| 4693 jni_CallByteMethodV, | |
| 4694 jni_CallByteMethodA, | |
| 4695 jni_CallCharMethod, | |
| 4696 jni_CallCharMethodV, | |
| 4697 jni_CallCharMethodA, | |
| 4698 jni_CallShortMethod, | |
| 4699 jni_CallShortMethodV, | |
| 4700 jni_CallShortMethodA, | |
| 4701 jni_CallIntMethod, | |
| 4702 jni_CallIntMethodV, | |
| 4703 jni_CallIntMethodA, | |
| 4704 jni_CallLongMethod, | |
| 4705 jni_CallLongMethodV, | |
| 4706 jni_CallLongMethodA, | |
| 4707 jni_CallFloatMethod, | |
| 4708 jni_CallFloatMethodV, | |
| 4709 jni_CallFloatMethodA, | |
| 4710 jni_CallDoubleMethod, | |
| 4711 jni_CallDoubleMethodV, | |
| 4712 jni_CallDoubleMethodA, | |
| 4713 jni_CallVoidMethod, | |
| 4714 jni_CallVoidMethodV, | |
| 4715 jni_CallVoidMethodA, | |
| 4716 | |
| 4717 jni_CallNonvirtualObjectMethod, | |
| 4718 jni_CallNonvirtualObjectMethodV, | |
| 4719 jni_CallNonvirtualObjectMethodA, | |
| 4720 jni_CallNonvirtualBooleanMethod, | |
| 4721 jni_CallNonvirtualBooleanMethodV, | |
| 4722 jni_CallNonvirtualBooleanMethodA, | |
| 4723 jni_CallNonvirtualByteMethod, | |
| 4724 jni_CallNonvirtualByteMethodV, | |
| 4725 jni_CallNonvirtualByteMethodA, | |
| 4726 jni_CallNonvirtualCharMethod, | |
| 4727 jni_CallNonvirtualCharMethodV, | |
| 4728 jni_CallNonvirtualCharMethodA, | |
| 4729 jni_CallNonvirtualShortMethod, | |
| 4730 jni_CallNonvirtualShortMethodV, | |
| 4731 jni_CallNonvirtualShortMethodA, | |
| 4732 jni_CallNonvirtualIntMethod, | |
| 4733 jni_CallNonvirtualIntMethodV, | |
| 4734 jni_CallNonvirtualIntMethodA, | |
| 4735 jni_CallNonvirtualLongMethod, | |
| 4736 jni_CallNonvirtualLongMethodV, | |
| 4737 jni_CallNonvirtualLongMethodA, | |
| 4738 jni_CallNonvirtualFloatMethod, | |
| 4739 jni_CallNonvirtualFloatMethodV, | |
| 4740 jni_CallNonvirtualFloatMethodA, | |
| 4741 jni_CallNonvirtualDoubleMethod, | |
| 4742 jni_CallNonvirtualDoubleMethodV, | |
| 4743 jni_CallNonvirtualDoubleMethodA, | |
| 4744 jni_CallNonvirtualVoidMethod, | |
| 4745 jni_CallNonvirtualVoidMethodV, | |
| 4746 jni_CallNonvirtualVoidMethodA, | |
| 4747 | |
| 4748 jni_GetFieldID, | |
| 4749 | |
| 4750 jni_GetObjectField, | |
| 4751 jni_GetBooleanField, | |
| 4752 jni_GetByteField, | |
| 4753 jni_GetCharField, | |
| 4754 jni_GetShortField, | |
| 4755 jni_GetIntField, | |
| 4756 jni_GetLongField, | |
| 4757 jni_GetFloatField, | |
| 4758 jni_GetDoubleField, | |
| 4759 | |
| 4760 jni_SetObjectField, | |
| 4761 jni_SetBooleanField, | |
| 4762 jni_SetByteField, | |
| 4763 jni_SetCharField, | |
| 4764 jni_SetShortField, | |
| 4765 jni_SetIntField, | |
| 4766 jni_SetLongField, | |
| 4767 jni_SetFloatField, | |
| 4768 jni_SetDoubleField, | |
| 4769 | |
| 4770 jni_GetStaticMethodID, | |
| 4771 | |
| 4772 jni_CallStaticObjectMethod, | |
| 4773 jni_CallStaticObjectMethodV, | |
| 4774 jni_CallStaticObjectMethodA, | |
| 4775 jni_CallStaticBooleanMethod, | |
| 4776 jni_CallStaticBooleanMethodV, | |
| 4777 jni_CallStaticBooleanMethodA, | |
| 4778 jni_CallStaticByteMethod, | |
| 4779 jni_CallStaticByteMethodV, | |
| 4780 jni_CallStaticByteMethodA, | |
| 4781 jni_CallStaticCharMethod, | |
| 4782 jni_CallStaticCharMethodV, | |
| 4783 jni_CallStaticCharMethodA, | |
| 4784 jni_CallStaticShortMethod, | |
| 4785 jni_CallStaticShortMethodV, | |
| 4786 jni_CallStaticShortMethodA, | |
| 4787 jni_CallStaticIntMethod, | |
| 4788 jni_CallStaticIntMethodV, | |
| 4789 jni_CallStaticIntMethodA, | |
| 4790 jni_CallStaticLongMethod, | |
| 4791 jni_CallStaticLongMethodV, | |
| 4792 jni_CallStaticLongMethodA, | |
| 4793 jni_CallStaticFloatMethod, | |
| 4794 jni_CallStaticFloatMethodV, | |
| 4795 jni_CallStaticFloatMethodA, | |
| 4796 jni_CallStaticDoubleMethod, | |
| 4797 jni_CallStaticDoubleMethodV, | |
| 4798 jni_CallStaticDoubleMethodA, | |
| 4799 jni_CallStaticVoidMethod, | |
| 4800 jni_CallStaticVoidMethodV, | |
| 4801 jni_CallStaticVoidMethodA, | |
| 4802 | |
| 4803 jni_GetStaticFieldID, | |
| 4804 | |
| 4805 jni_GetStaticObjectField, | |
| 4806 jni_GetStaticBooleanField, | |
| 4807 jni_GetStaticByteField, | |
| 4808 jni_GetStaticCharField, | |
| 4809 jni_GetStaticShortField, | |
| 4810 jni_GetStaticIntField, | |
| 4811 jni_GetStaticLongField, | |
| 4812 jni_GetStaticFloatField, | |
| 4813 jni_GetStaticDoubleField, | |
| 4814 | |
| 4815 jni_SetStaticObjectField, | |
| 4816 jni_SetStaticBooleanField, | |
| 4817 jni_SetStaticByteField, | |
| 4818 jni_SetStaticCharField, | |
| 4819 jni_SetStaticShortField, | |
| 4820 jni_SetStaticIntField, | |
| 4821 jni_SetStaticLongField, | |
| 4822 jni_SetStaticFloatField, | |
| 4823 jni_SetStaticDoubleField, | |
| 4824 | |
| 4825 jni_NewString, | |
| 4826 jni_GetStringLength, | |
| 4827 jni_GetStringChars, | |
| 4828 jni_ReleaseStringChars, | |
| 4829 | |
| 4830 jni_NewStringUTF, | |
| 4831 jni_GetStringUTFLength, | |
| 4832 jni_GetStringUTFChars, | |
| 4833 jni_ReleaseStringUTFChars, | |
| 4834 | |
| 4835 jni_GetArrayLength, | |
| 4836 | |
| 4837 jni_NewObjectArray, | |
| 4838 jni_GetObjectArrayElement, | |
| 4839 jni_SetObjectArrayElement, | |
| 4840 | |
| 4841 jni_NewBooleanArray, | |
| 4842 jni_NewByteArray, | |
| 4843 jni_NewCharArray, | |
| 4844 jni_NewShortArray, | |
| 4845 jni_NewIntArray, | |
| 4846 jni_NewLongArray, | |
| 4847 jni_NewFloatArray, | |
| 4848 jni_NewDoubleArray, | |
| 4849 | |
| 4850 jni_GetBooleanArrayElements, | |
| 4851 jni_GetByteArrayElements, | |
| 4852 jni_GetCharArrayElements, | |
| 4853 jni_GetShortArrayElements, | |
| 4854 jni_GetIntArrayElements, | |
| 4855 jni_GetLongArrayElements, | |
| 4856 jni_GetFloatArrayElements, | |
| 4857 jni_GetDoubleArrayElements, | |
| 4858 | |
| 4859 jni_ReleaseBooleanArrayElements, | |
| 4860 jni_ReleaseByteArrayElements, | |
| 4861 jni_ReleaseCharArrayElements, | |
| 4862 jni_ReleaseShortArrayElements, | |
| 4863 jni_ReleaseIntArrayElements, | |
| 4864 jni_ReleaseLongArrayElements, | |
| 4865 jni_ReleaseFloatArrayElements, | |
| 4866 jni_ReleaseDoubleArrayElements, | |
| 4867 | |
| 4868 jni_GetBooleanArrayRegion, | |
| 4869 jni_GetByteArrayRegion, | |
| 4870 jni_GetCharArrayRegion, | |
| 4871 jni_GetShortArrayRegion, | |
| 4872 jni_GetIntArrayRegion, | |
| 4873 jni_GetLongArrayRegion, | |
| 4874 jni_GetFloatArrayRegion, | |
| 4875 jni_GetDoubleArrayRegion, | |
| 4876 | |
| 4877 jni_SetBooleanArrayRegion, | |
| 4878 jni_SetByteArrayRegion, | |
| 4879 jni_SetCharArrayRegion, | |
| 4880 jni_SetShortArrayRegion, | |
| 4881 jni_SetIntArrayRegion, | |
| 4882 jni_SetLongArrayRegion, | |
| 4883 jni_SetFloatArrayRegion, | |
| 4884 jni_SetDoubleArrayRegion, | |
| 4885 | |
| 4886 jni_RegisterNatives, | |
| 4887 jni_UnregisterNatives, | |
| 4888 | |
| 4889 jni_MonitorEnter, | |
| 4890 jni_MonitorExit, | |
| 4891 | |
| 4892 jni_GetJavaVM, | |
| 4893 | |
| 4894 jni_GetStringRegion, | |
| 4895 jni_GetStringUTFRegion, | |
| 4896 | |
| 4897 jni_GetPrimitiveArrayCritical, | |
| 4898 jni_ReleasePrimitiveArrayCritical, | |
| 4899 | |
| 4900 jni_GetStringCritical, | |
| 4901 jni_ReleaseStringCritical, | |
| 4902 | |
| 4903 jni_NewWeakGlobalRef, | |
| 4904 jni_DeleteWeakGlobalRef, | |
| 4905 | |
| 4906 jni_ExceptionCheck, | |
| 4907 | |
| 4908 jni_NewDirectByteBuffer, | |
| 4909 jni_GetDirectBufferAddress, | |
| 4910 jni_GetDirectBufferCapacity, | |
| 4911 | |
| 4912 // New 1_6 features | |
| 4913 | |
| 4914 jni_GetObjectRefType | |
| 4915 }; | |
| 4916 | |
| 4917 | |
| 4918 // For jvmti use to modify jni function table. | |
| 4919 // Java threads in native contiues to run until it is transitioned | |
| 4920 // to VM at safepoint. Before the transition or before it is blocked | |
| 4921 // for safepoint it may access jni function table. VM could crash if | |
| 4922 // any java thread access the jni function table in the middle of memcpy. | |
| 4923 // To avoid this each function pointers are copied automically. | |
| 4924 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4925 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4926 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4927 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4928 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4929 Atomic::store_ptr(*b++, a++); | |
| 4930 } | |
| 4931 } | |
| 4932 | |
| 4933 void quicken_jni_functions() { | |
| 4934 // Replace Get<Primitive>Field with fast versions | |
| 4935 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4936 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4937 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4938 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4939 // versions currently isn't certain for server vm on uniprocessor. | |
| 4940 && os::is_MP() | |
| 4941 #endif | |
| 4942 ) { | |
| 4943 address func; | |
| 4944 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4945 if (func != (address)-1) { | |
| 4946 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4947 } | |
| 4948 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4949 if (func != (address)-1) { | |
| 4950 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4951 } | |
| 4952 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4953 if (func != (address)-1) { | |
| 4954 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4955 } | |
| 4956 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4957 if (func != (address)-1) { | |
| 4958 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4959 } | |
| 4960 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4961 if (func != (address)-1) { | |
| 4962 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4963 } | |
| 4964 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4965 if (func != (address)-1) { | |
| 4966 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4967 } | |
| 4968 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4969 if (func != (address)-1) { | |
| 4970 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4971 } | |
| 4972 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4973 if (func != (address)-1) { | |
| 4974 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4975 } | |
| 4976 } | |
| 4977 } | |
| 4978 | |
| 4979 // Returns the function structure | |
| 4980 struct JNINativeInterface_* jni_functions() { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4981 #if INCLUDE_JNI_CHECK |
| 0 | 4982 if (CheckJNICalls) return jni_functions_check(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4983 #endif // INCLUDE_JNI_CHECK |
| 0 | 4984 return &jni_NativeInterface; |
| 4985 } | |
| 4986 | |
| 4987 // Returns the function structure | |
| 4988 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4989 return &jni_NativeInterface; | |
| 4990 } | |
| 4991 | |
| 4992 | |
| 4993 // Invocation API | |
| 4994 | |
| 4995 | |
| 4996 // Forward declaration | |
| 4997 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4998 | |
| 4999 // Global invocation API vars | |
| 5000 volatile jint vm_created = 0; | |
| 5001 // Indicate whether it is safe to recreate VM | |
| 5002 volatile jint safe_to_recreate_vm = 1; | |
| 5003 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5004 | |
| 5005 | |
| 5006 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5007 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5008 | |
| 14909 | 5009 #ifndef USDT2 |
| 5010 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); | |
| 5011 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 5012 #else /* USDT2 */ | |
| 4006 | 5013 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint |
| 5014 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 14909 | 5015 #endif /* USDT2 */ |
| 0 | 5016 |
| 5017 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 14909 | 5018 #ifndef USDT2 |
| 5019 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); | |
| 5020 #else /* USDT2 */ | |
| 5021 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5022 args_); | |
| 5023 #endif /* USDT2 */ | |
| 0 | 5024 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5025 jint ret = JNI_ERR; | |
| 5026 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5027 | |
| 5028 if (Threads::is_supported_jni_version(args->version)) { | |
| 5029 ret = JNI_OK; | |
| 5030 } | |
| 5031 // 1.1 style no longer supported in hotspot. | |
| 5032 // According the JNI spec, we should update args->version on return. | |
| 5033 // We also use the structure to communicate with launcher about default | |
| 5034 // stack size. | |
| 5035 if (args->version == JNI_VERSION_1_1) { | |
| 5036 args->version = JNI_VERSION_1_2; | |
| 5037 // javaStackSize is int in arguments structure | |
| 5038 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5039 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5040 } | |
| 5041 return ret; | |
| 5042 } | |
| 5043 | |
| 3779 | 5044 #ifndef PRODUCT |
| 5045 | |
| 10405 | 5046 #include "gc_implementation/shared/gcTimer.hpp" |
| 4708 | 5047 #include "gc_interface/collectedHeap.hpp" |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5048 #if INCLUDE_ALL_GCS |
|
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5049 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
|
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5050 #endif |
| 3779 | 5051 #include "utilities/quickSort.hpp" |
| 12215 | 5052 #include "utilities/ostream.hpp" |
| 7171 | 5053 #if INCLUDE_VM_STRUCTS |
| 5054 #include "runtime/vmStructs.hpp" | |
| 5055 #endif | |
| 3779 | 5056 |
| 4708 | 5057 #define run_unit_test(unit_test_function_call) \ |
| 5058 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5059 unit_test_function_call | |
| 5060 | |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5061 // Forward declaration |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5062 void TestReservedSpace_test(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5063 void TestReserveMemorySpecial_test(); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5064 void TestVirtualSpace_test(); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5065 void TestMetaspaceAux_test(); |
| 12902 | 5066 void TestMetachunk_test(); |
|
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
5067 void TestVirtualSpaceNode_test(); |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5068 #if INCLUDE_ALL_GCS |
|
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5069 void TestG1BiasedArray_test(); |
|
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5070 #endif |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5071 |
| 3779 | 5072 void execute_internal_vm_tests() { |
| 5073 if (ExecuteInternalVMTests) { | |
| 4708 | 5074 tty->print_cr("Running internal VM tests"); |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5075 run_unit_test(TestReservedSpace_test()); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5076 run_unit_test(TestReserveMemorySpecial_test()); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5077 run_unit_test(TestVirtualSpace_test()); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5078 run_unit_test(TestMetaspaceAux_test()); |
| 12902 | 5079 run_unit_test(TestMetachunk_test()); |
|
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
5080 run_unit_test(TestVirtualSpaceNode_test()); |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
5081 run_unit_test(GlobalDefinitions::test_globals()); |
| 10405 | 5082 run_unit_test(GCTimerAllTest::all()); |
| 4708 | 5083 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 5084 run_unit_test(CollectedHeap::test_is_in()); | |
| 5085 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 5086 run_unit_test(AltHashing::test_alt_hash()); |
| 12215 | 5087 run_unit_test(test_loggc_filename()); |
| 7171 | 5088 #if INCLUDE_VM_STRUCTS |
| 5089 run_unit_test(VMStructs::test()); | |
| 5090 #endif | |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5091 #if INCLUDE_ALL_GCS |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5092 run_unit_test(TestG1BiasedArray_test()); |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5093 run_unit_test(HeapRegionRemSet::test_prt()); |
|
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5094 #endif |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5095 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5096 } |
| 5097 } | |
| 5098 | |
| 4708 | 5099 #undef run_unit_test |
| 5100 | |
| 3779 | 5101 #endif |
| 5102 | |
| 14909 | 5103 #ifndef USDT2 |
| 5104 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); | |
| 5105 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 5106 #else /* USDT2 */ | |
| 4006 | 5107 DT_RETURN_MARK_DECL(CreateJavaVM, jint |
| 5108 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 14909 | 5109 #endif /* USDT2 */ |
| 0 | 5110 |
| 5111 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 14909 | 5112 #ifndef USDT2 |
| 5113 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); | |
| 5114 #else /* USDT2 */ | |
| 5115 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5116 (void **) vm, penv, args); | |
| 5117 #endif /* USDT2 */ | |
| 0 | 5118 |
| 5119 jint result = JNI_ERR; | |
| 5120 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5121 | |
| 1078 | 5122 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5123 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5124 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5125 // on all architectures. So we check it works before relying on it. | |
| 5126 #if defined(ZERO) && defined(ASSERT) | |
| 5127 { | |
| 5128 jint a = 0xcafebabe; | |
| 5129 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5130 void *c = &a; | |
| 5131 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5132 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5133 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5134 } | |
| 5135 #endif // ZERO && ASSERT | |
| 5136 | |
| 0 | 5137 // At the moment it's only possible to have one Java VM, |
| 5138 // since some of the runtime state is in global variables. | |
| 5139 | |
| 5140 // We cannot use our mutex locks here, since they only work on | |
| 5141 // Threads. We do an atomic compare and exchange to ensure only | |
| 5142 // one thread can call this method at a time | |
| 5143 | |
| 5144 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5145 // the add/dec implementations are dependent on whether we are running | |
| 5146 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5147 // function used to determine this will always return false. Atomic::xchg | |
| 5148 // does not have this problem. | |
| 5149 if (Atomic::xchg(1, &vm_created) == 1) { | |
|
11089
f323bbb0e6c1
8019833: Wrong JNI error code for preexisting JVM
coleenp
parents:
11059
diff
changeset
|
5150 return JNI_EEXIST; // already created, or create attempt in progress |
| 0 | 5151 } |
| 5152 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5153 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5154 } | |
| 5155 | |
| 5156 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5157 | |
| 5158 /** | |
| 5159 * Certain errors during initialization are recoverable and do not | |
| 5160 * prevent this method from being called again at a later time | |
| 5161 * (perhaps with different arguments). However, at a certain | |
| 5162 * point during initialization if an error occurs we cannot allow | |
| 5163 * this function to be called again (or it will crash). In those | |
| 5164 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5165 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5166 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5167 */ | |
| 5168 bool can_try_again = true; | |
| 5169 | |
| 5170 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5171 if (result == JNI_OK) { | |
| 5172 JavaThread *thread = JavaThread::current(); | |
| 5173 /* thread is thread_in_vm here */ | |
| 5174 *vm = (JavaVM *)(&main_vm); | |
| 5175 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5176 | |
|
15582
063ec2920d21
made Graal runtime initialization in hosted mode lazy
Doug Simon <doug.simon@oracle.com>
parents:
15463
diff
changeset
|
5177 #ifdef COMPILERGRAAL |
|
063ec2920d21
made Graal runtime initialization in hosted mode lazy
Doug Simon <doug.simon@oracle.com>
parents:
15463
diff
changeset
|
5178 if (UseGraalCompilationQueue) { |
|
063ec2920d21
made Graal runtime initialization in hosted mode lazy
Doug Simon <doug.simon@oracle.com>
parents:
15463
diff
changeset
|
5179 // GraalCompiler may have been created in compileBroker.cpp |
|
15463
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
15365
diff
changeset
|
5180 GraalCompiler* graal_compiler = GraalCompiler::instance(); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
15365
diff
changeset
|
5181 if (ForceGraalInitialization && graal_compiler == NULL) { |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
15365
diff
changeset
|
5182 graal_compiler = new GraalCompiler(); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
15365
diff
changeset
|
5183 } |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
15365
diff
changeset
|
5184 if (graal_compiler != NULL) { |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
15365
diff
changeset
|
5185 graal_compiler->initialize(); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
15365
diff
changeset
|
5186 } else { |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
15365
diff
changeset
|
5187 assert(!UseCompiler, "why isn't there any compiler?"); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
15365
diff
changeset
|
5188 } |
|
13174
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
5189 } else { |
|
15463
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
15365
diff
changeset
|
5190 // Graal is initialized on a CompilerThread |
|
13174
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
5191 } |
|
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5192 #endif |
|
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5193 |
| 0 | 5194 // Tracks the time application was running before GC |
| 5195 RuntimeService::record_application_start(); | |
| 5196 | |
| 5197 // Notify JVMTI | |
| 5198 if (JvmtiExport::should_post_thread_life()) { | |
| 5199 JvmtiExport::post_thread_start(thread); | |
| 5200 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5201 |
| 10405 | 5202 EventThreadStart event; |
| 5203 if (event.should_commit()) { | |
| 5204 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5205 event.commit(); | |
| 5206 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5207 |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5208 #ifndef PRODUCT |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5209 #ifndef TARGET_OS_FAMILY_windows |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5210 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f() |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5211 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5212 |
| 0 | 5213 // Check if we should compile all classes on bootclasspath |
|
15603
b7fb36e57da8
made Graal initialization be driven from Java to simplify sequencing and synchronization
Doug Simon <doug.simon@oracle.com>
parents:
15582
diff
changeset
|
5214 #ifdef GRAAL |
|
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parents:
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diff
changeset
|
5215 #ifndef COMPILERGRAAL |
|
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parents:
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diff
changeset
|
5216 if (CompileTheWorld) { |
|
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Doug Simon <doug.simon@oracle.com>
parents:
15582
diff
changeset
|
5217 // Graal is considered as application code so we need to |
|
b7fb36e57da8
made Graal initialization be driven from Java to simplify sequencing and synchronization
Doug Simon <doug.simon@oracle.com>
parents:
15582
diff
changeset
|
5218 // stop the VM deferring compilation now. |
|
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made Graal initialization be driven from Java to simplify sequencing and synchronization
Doug Simon <doug.simon@oracle.com>
parents:
15582
diff
changeset
|
5219 CompilationPolicy::completed_vm_startup(); |
|
b7fb36e57da8
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
5220 |
|
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parents:
15582
diff
changeset
|
5221 VMToCompiler::compileTheWorld(); |
|
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parents:
15582
diff
changeset
|
5222 } |
|
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parents:
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diff
changeset
|
5223 #endif |
|
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parents:
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diff
changeset
|
5224 #else |
|
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59b052799158
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parents:
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diff
changeset
|
5225 if (CompileTheWorld) ClassLoader::compile_the_world(); |
|
15603
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diff
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|
5226 #endif |
|
11092
59b052799158
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dcubed
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diff
changeset
|
5227 if (ReplayCompiles) ciReplay::replay(thread); |
|
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8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
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diff
changeset
|
5228 |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
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diff
changeset
|
5229 // Some platforms (like Win*) need a wrapper around these test |
|
59b052799158
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dcubed
parents:
11089
diff
changeset
|
5230 // functions in order to properly handle error conditions. |
|
59b052799158
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dcubed
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11089
diff
changeset
|
5231 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
|
59b052799158
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dcubed
parents:
11089
diff
changeset
|
5232 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests); |
|
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diff
changeset
|
5233 #endif |
|
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dcubed
parents:
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diff
changeset
|
5234 |
| 0 | 5235 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5236 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5237 } else { | |
| 5238 if (can_try_again) { | |
| 5239 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5240 safe_to_recreate_vm = 1; | |
| 5241 } | |
| 5242 | |
| 5243 // Creation failed. We must reset vm_created | |
| 5244 *vm = 0; | |
| 5245 *(JNIEnv**)penv = 0; | |
| 5246 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5247 // control both compiler and architectural-based reordering. | |
| 5248 OrderAccess::release_store(&vm_created, 0); | |
| 5249 } | |
| 5250 | |
| 5251 return result; | |
| 5252 } | |
| 5253 | |
| 14909 | 5254 #ifndef USDT2 |
| 5255 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ | |
| 5256 JavaVM**, jsize, jsize*); | |
| 5257 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 5258 #endif /* !USDT2 */ | |
| 0 | 5259 |
| 5260 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5261 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5262 // JNIWrapper("GetCreatedJavaVMs"); | |
| 14909 | 5263 #ifndef USDT2 |
| 5264 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ | |
| 5265 vm_buf, bufLen, numVMs); | |
| 5266 #else /* USDT2 */ | |
| 5267 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5268 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5269 #endif /* USDT2 */ | |
| 0 | 5270 if (vm_created) { |
| 5271 if (numVMs != NULL) *numVMs = 1; | |
| 5272 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5273 } else { | |
| 5274 if (numVMs != NULL) *numVMs = 0; | |
| 5275 } | |
| 14909 | 5276 #ifndef USDT2 |
| 5277 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); | |
| 5278 #else /* USDT2 */ | |
| 5279 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5280 JNI_OK); | |
| 5281 #endif /* USDT2 */ | |
| 0 | 5282 return JNI_OK; |
| 5283 } | |
| 5284 | |
| 5285 extern "C" { | |
| 5286 | |
| 14909 | 5287 #ifndef USDT2 |
| 5288 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); | |
| 5289 #else /* USDT2 */ | |
| 4006 | 5290 DT_RETURN_MARK_DECL(DestroyJavaVM, jint |
| 5291 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 14909 | 5292 #endif /* USDT2 */ |
| 0 | 5293 |
| 5294 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 14909 | 5295 #ifndef USDT2 |
| 5296 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); | |
| 5297 #else /* USDT2 */ | |
| 5298 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5299 vm); | |
| 5300 #endif /* USDT2 */ | |
| 0 | 5301 jint res = JNI_ERR; |
| 5302 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5303 | |
| 5304 if (!vm_created) { | |
| 5305 res = JNI_ERR; | |
| 5306 return res; | |
| 5307 } | |
| 5308 | |
| 5309 JNIWrapper("DestroyJavaVM"); | |
| 5310 JNIEnv *env; | |
| 5311 JavaVMAttachArgs destroyargs; | |
| 5312 destroyargs.version = CurrentVersion; | |
| 5313 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5314 destroyargs.group = NULL; | |
| 5315 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5316 if (res != JNI_OK) { | |
| 5317 return res; | |
| 5318 } | |
| 5319 | |
| 5320 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5321 JavaThread* thread = JavaThread::current(); | |
| 5322 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5323 if (Threads::destroy_vm()) { | |
| 5324 // Should not change thread state, VM is gone | |
| 5325 vm_created = false; | |
| 5326 res = JNI_OK; | |
| 5327 return res; | |
| 5328 } else { | |
| 5329 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5330 res = JNI_ERR; | |
| 5331 return res; | |
| 5332 } | |
| 5333 } | |
| 5334 | |
| 5335 | |
| 5336 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5337 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5338 | |
| 5339 // Check below commented out from JDK1.2fcs as well | |
| 5340 /* | |
| 5341 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5342 return JNI_EVERSION; | |
| 5343 } | |
| 5344 */ | |
| 5345 | |
| 5346 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5347 if (t != NULL) { | |
| 5348 // If the thread has been attached this operation is a no-op | |
| 5349 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5350 return JNI_OK; | |
| 5351 } | |
| 5352 | |
| 5353 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5354 // ThreadsListEnumerator - see CR 6404306 | |
| 5355 JavaThread* thread = new JavaThread(true); | |
| 5356 | |
| 5357 // Set correct safepoint info. The thread is going to call into Java when | |
| 5358 // initializing the Java level thread object. Hence, the correct state must | |
| 5359 // be set in order for the Safepoint code to deal with it correctly. | |
| 5360 thread->set_thread_state(_thread_in_vm); | |
| 5361 // Must do this before initialize_thread_local_storage | |
| 5362 thread->record_stack_base_and_size(); | |
|
1290
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parents:
1142
diff
changeset
|
5363 |
| 0 | 5364 thread->initialize_thread_local_storage(); |
| 5365 | |
| 5366 if (!os::create_attached_thread(thread)) { | |
| 5367 delete thread; | |
| 5368 return JNI_ERR; | |
| 5369 } | |
|
1290
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coleenp
parents:
1142
diff
changeset
|
5370 // Enable stack overflow checks |
|
c8a467bf56ad
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coleenp
parents:
1142
diff
changeset
|
5371 thread->create_stack_guard_pages(); |
|
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coleenp
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1142
diff
changeset
|
5372 |
| 0 | 5373 thread->initialize_tlab(); |
| 5374 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5375 thread->cache_global_variables(); |
|
126ea7725993
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bobv
parents:
1552
diff
changeset
|
5376 |
| 0 | 5377 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5378 // not been added to the Thread list yet. | |
| 5379 { Threads_lock->lock_without_safepoint_check(); | |
| 5380 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5381 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5382 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5383 Threads::add(thread, daemon); | |
| 5384 Threads_lock->unlock(); | |
| 5385 } | |
| 5386 // Create thread group and name info from attach arguments | |
| 5387 oop group = NULL; | |
| 5388 char* thread_name = NULL; | |
| 5389 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5390 group = JNIHandles::resolve(args->group); | |
| 5391 thread_name = args->name; // may be NULL | |
| 5392 } | |
| 5393 if (group == NULL) group = Universe::main_thread_group(); | |
| 5394 | |
| 5395 // Create Java level thread object and attach it to this thread | |
| 5396 bool attach_failed = false; | |
| 5397 { | |
| 5398 EXCEPTION_MARK; | |
| 5399 HandleMark hm(THREAD); | |
| 5400 Handle thread_group(THREAD, group); | |
| 5401 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5402 if (HAS_PENDING_EXCEPTION) { | |
| 5403 CLEAR_PENDING_EXCEPTION; | |
| 5404 // cleanup outside the handle mark. | |
| 5405 attach_failed = true; | |
| 5406 } | |
| 5407 } | |
| 5408 | |
| 5409 if (attach_failed) { | |
| 5410 // Added missing cleanup | |
| 5411 thread->cleanup_failed_attach_current_thread(); | |
| 5412 return JNI_ERR; | |
| 5413 } | |
| 5414 | |
| 5415 // mark the thread as no longer attaching | |
| 5416 // this uses a fence to push the change through so we don't have | |
| 5417 // to regrab the threads_lock | |
| 4006 | 5418 thread->set_done_attaching_via_jni(); |
| 0 | 5419 |
| 5420 // Set java thread status. | |
| 5421 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5422 java_lang_Thread::RUNNABLE); | |
| 5423 | |
| 5424 // Notify the debugger | |
| 5425 if (JvmtiExport::should_post_thread_life()) { | |
| 5426 JvmtiExport::post_thread_start(thread); | |
| 5427 } | |
| 5428 | |
| 10405 | 5429 EventThreadStart event; |
| 5430 if (event.should_commit()) { | |
| 5431 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5432 event.commit(); | |
| 5433 } | |
|
4800
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parents:
4708
diff
changeset
|
5434 |
| 0 | 5435 *(JNIEnv**)penv = thread->jni_environment(); |
| 5436 | |
| 5437 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5438 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5439 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5440 // needed. | |
| 5441 | |
| 5442 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5443 | |
| 5444 // Perform any platform dependent FPU setup | |
| 5445 os::setup_fpu(); | |
| 5446 | |
| 5447 return JNI_OK; | |
| 5448 } | |
| 5449 | |
| 5450 | |
| 5451 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 14909 | 5452 #ifndef USDT2 |
| 5453 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); | |
| 5454 #else /* USDT2 */ | |
| 5455 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5456 vm, penv, _args); | |
| 5457 #endif /* USDT2 */ | |
| 0 | 5458 if (!vm_created) { |
| 14909 | 5459 #ifndef USDT2 |
| 5460 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); | |
| 5461 #else /* USDT2 */ | |
| 5462 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5463 (uint32_t) JNI_ERR); | |
| 5464 #endif /* USDT2 */ | |
| 0 | 5465 return JNI_ERR; |
| 5466 } | |
| 5467 | |
| 5468 JNIWrapper("AttachCurrentThread"); | |
| 5469 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 14909 | 5470 #ifndef USDT2 |
| 5471 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); | |
| 5472 #else /* USDT2 */ | |
| 5473 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5474 ret); | |
| 5475 #endif /* USDT2 */ | |
| 0 | 5476 return ret; |
| 5477 } | |
| 5478 | |
| 5479 | |
| 5480 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 14909 | 5481 #ifndef USDT2 |
| 5482 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); | |
| 5483 #else /* USDT2 */ | |
| 5484 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5485 vm); | |
| 5486 #endif /* USDT2 */ | |
| 0 | 5487 VM_Exit::block_if_vm_exited(); |
| 5488 | |
| 5489 JNIWrapper("DetachCurrentThread"); | |
| 5490 | |
| 5491 // If the thread has been deattacted the operations is a no-op | |
| 5492 if (ThreadLocalStorage::thread() == NULL) { | |
| 14909 | 5493 #ifndef USDT2 |
| 5494 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); | |
| 5495 #else /* USDT2 */ | |
| 5496 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5497 JNI_OK); | |
| 5498 #endif /* USDT2 */ | |
| 0 | 5499 return JNI_OK; |
| 5500 } | |
| 5501 | |
| 5502 JavaThread* thread = JavaThread::current(); | |
| 5503 if (thread->has_last_Java_frame()) { | |
| 14909 | 5504 #ifndef USDT2 |
| 5505 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); | |
| 5506 #else /* USDT2 */ | |
| 5507 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5508 (uint32_t) JNI_ERR); | |
| 5509 #endif /* USDT2 */ | |
| 0 | 5510 // Can't detach a thread that's running java, that can't work. |
| 5511 return JNI_ERR; | |
| 5512 } | |
| 5513 | |
| 5514 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5515 // middel of a safepoint operation | |
| 5516 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5517 | |
| 5518 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5519 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5520 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5521 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5522 // the removal of the guards is buried below in JavaThread::exit() | |
| 5523 // here. The abstraction should be more symmetrically either exposed | |
| 5524 // or hidden (e.g. it could probably be hidden in the same | |
| 5525 // (platform-dependent) methods where we do alternate stack | |
| 5526 // maintenance work?) | |
| 5527 thread->exit(false, JavaThread::jni_detach); | |
| 5528 delete thread; | |
| 5529 | |
| 14909 | 5530 #ifndef USDT2 |
| 5531 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); | |
| 5532 #else /* USDT2 */ | |
| 5533 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5534 JNI_OK); | |
| 5535 #endif /* USDT2 */ | |
| 0 | 5536 return JNI_OK; |
| 5537 } | |
| 5538 | |
| 14909 | 5539 #ifndef USDT2 |
| 5540 DT_RETURN_MARK_DECL(GetEnv, jint); | |
| 5541 #else /* USDT2 */ | |
| 4006 | 5542 DT_RETURN_MARK_DECL(GetEnv, jint |
| 5543 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 14909 | 5544 #endif /* USDT2 */ |
| 0 | 5545 |
| 5546 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 14909 | 5547 #ifndef USDT2 |
| 5548 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); | |
| 5549 #else /* USDT2 */ | |
| 5550 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5551 vm, penv, version); | |
| 5552 #endif /* USDT2 */ | |
| 0 | 5553 jint ret = JNI_ERR; |
| 5554 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5555 | |
| 5556 if (!vm_created) { | |
| 5557 *penv = NULL; | |
| 5558 ret = JNI_EDETACHED; | |
| 5559 return ret; | |
| 5560 } | |
| 5561 | |
|
4800
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4708
diff
changeset
|
5562 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5563 return ret; |
| 5564 } | |
| 5565 | |
| 5566 #ifndef JVMPI_VERSION_1 | |
| 5567 // need these in order to be polite about older agents | |
| 5568 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5569 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5570 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5571 #endif // !JVMPI_VERSION_1 | |
| 5572 | |
| 5573 Thread* thread = ThreadLocalStorage::thread(); | |
| 5574 if (thread != NULL && thread->is_Java_thread()) { | |
| 5575 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5576 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5577 ret = JNI_OK; | |
| 5578 return ret; | |
| 5579 | |
| 5580 } else if (version == JVMPI_VERSION_1 || | |
| 5581 version == JVMPI_VERSION_1_1 || | |
| 5582 version == JVMPI_VERSION_1_2) { | |
| 5583 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5584 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5585 ret = JNI_EVERSION; | |
| 5586 return ret; | |
| 5587 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5588 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5589 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5590 ret = JNI_EVERSION; | |
| 5591 return ret; | |
| 5592 } else { | |
| 5593 *penv = NULL; | |
| 5594 ret = JNI_EVERSION; | |
| 5595 return ret; | |
| 5596 } | |
| 5597 } else { | |
| 5598 *penv = NULL; | |
| 5599 ret = JNI_EDETACHED; | |
| 5600 return ret; | |
| 5601 } | |
| 5602 } | |
| 5603 | |
| 5604 | |
| 5605 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 14909 | 5606 #ifndef USDT2 |
| 5607 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); | |
| 5608 #else /* USDT2 */ | |
| 5609 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5610 vm, penv, _args); | |
| 5611 #endif /* USDT2 */ | |
| 0 | 5612 if (!vm_created) { |
| 14909 | 5613 #ifndef USDT2 |
| 5614 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); | |
| 5615 #else /* USDT2 */ | |
| 5616 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5617 (uint32_t) JNI_ERR); | |
| 5618 #endif /* USDT2 */ | |
| 0 | 5619 return JNI_ERR; |
| 5620 } | |
| 5621 | |
| 5622 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5623 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 14909 | 5624 #ifndef USDT2 |
| 5625 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); | |
| 5626 #else /* USDT2 */ | |
| 5627 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5628 ret); | |
| 5629 #endif /* USDT2 */ | |
| 0 | 5630 return ret; |
| 5631 } | |
| 5632 | |
| 5633 | |
| 5634 } // End extern "C" | |
| 5635 | |
| 5636 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5637 NULL, | |
| 5638 NULL, | |
| 5639 NULL, | |
| 5640 | |
| 5641 jni_DestroyJavaVM, | |
| 5642 jni_AttachCurrentThread, | |
| 5643 jni_DetachCurrentThread, | |
| 5644 jni_GetEnv, | |
| 5645 jni_AttachCurrentThreadAsDaemon | |
| 5646 }; |