Mercurial > hg > graal-compiler
annotate src/share/vm/prims/jni.cpp @ 14314:2c95095271e9
Merge
| author | ehelin |
|---|---|
| date | Thu, 30 Jan 2014 14:01:45 +0100 |
| parents | febc6428bc79 44315152d434 |
| children | 602e80a36dfb 937cf56dede6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2012 Red Hat, Inc. |
| 0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
|
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
| 0 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #include "precompiled.hpp" |
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27 #include "ci/ciReplay.hpp" |
| 6162 | 28 #include "classfile/altHashing.hpp" |
| 1972 | 29 #include "classfile/classLoader.hpp" |
| 30 #include "classfile/javaClasses.hpp" | |
| 31 #include "classfile/symbolTable.hpp" | |
| 32 #include "classfile/systemDictionary.hpp" | |
| 33 #include "classfile/vmSymbols.hpp" | |
| 34 #include "interpreter/linkResolver.hpp" | |
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35 #include "utilities/macros.hpp" |
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36 #if INCLUDE_ALL_GCS |
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37 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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38 #endif // INCLUDE_ALL_GCS |
| 6197 | 39 #include "memory/allocation.hpp" |
| 1972 | 40 #include "memory/allocation.inline.hpp" |
| 41 #include "memory/gcLocker.inline.hpp" | |
| 42 #include "memory/oopFactory.hpp" | |
| 43 #include "memory/universe.inline.hpp" | |
| 44 #include "oops/instanceKlass.hpp" | |
| 45 #include "oops/instanceOop.hpp" | |
| 46 #include "oops/markOop.hpp" | |
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47 #include "oops/method.hpp" |
| 1972 | 48 #include "oops/objArrayKlass.hpp" |
| 49 #include "oops/objArrayOop.hpp" | |
| 50 #include "oops/oop.inline.hpp" | |
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51 #include "oops/symbol.hpp" |
| 1972 | 52 #include "oops/typeArrayKlass.hpp" |
| 53 #include "oops/typeArrayOop.hpp" | |
| 54 #include "prims/jni.h" | |
| 55 #include "prims/jniCheck.hpp" | |
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56 #include "prims/jniExport.hpp" |
| 1972 | 57 #include "prims/jniFastGetField.hpp" |
| 58 #include "prims/jvm.h" | |
| 59 #include "prims/jvm_misc.hpp" | |
| 60 #include "prims/jvmtiExport.hpp" | |
| 61 #include "prims/jvmtiThreadState.hpp" | |
| 62 #include "runtime/compilationPolicy.hpp" | |
| 63 #include "runtime/fieldDescriptor.hpp" | |
| 64 #include "runtime/fprofiler.hpp" | |
| 65 #include "runtime/handles.inline.hpp" | |
| 66 #include "runtime/interfaceSupport.hpp" | |
| 67 #include "runtime/java.hpp" | |
| 68 #include "runtime/javaCalls.hpp" | |
| 69 #include "runtime/jfieldIDWorkaround.hpp" | |
| 70 #include "runtime/reflection.hpp" | |
| 71 #include "runtime/sharedRuntime.hpp" | |
| 72 #include "runtime/signature.hpp" | |
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73 #include "runtime/thread.inline.hpp" |
| 1972 | 74 #include "runtime/vm_operations.hpp" |
| 75 #include "services/runtimeService.hpp" | |
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76 #include "trace/tracing.hpp" |
| 1972 | 77 #include "utilities/defaultStream.hpp" |
| 78 #include "utilities/dtrace.hpp" | |
| 79 #include "utilities/events.hpp" | |
| 80 #include "utilities/histogram.hpp" | |
| 81 #ifdef TARGET_OS_FAMILY_linux | |
| 82 # include "os_linux.inline.hpp" | |
| 83 #endif | |
| 84 #ifdef TARGET_OS_FAMILY_solaris | |
| 85 # include "os_solaris.inline.hpp" | |
| 86 #endif | |
| 87 #ifdef TARGET_OS_FAMILY_windows | |
| 88 # include "os_windows.inline.hpp" | |
| 89 #endif | |
| 3960 | 90 #ifdef TARGET_OS_FAMILY_bsd |
| 91 # include "os_bsd.inline.hpp" | |
| 92 #endif | |
| 0 | 93 |
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94 static jint CurrentVersion = JNI_VERSION_1_8; |
| 0 | 95 |
| 96 | |
| 97 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 98 // '-return' probe regardless of the return path is taken out of the function. | |
| 99 // Methods that have multiple return paths use this to avoid having to | |
| 100 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 101 // since those macros can cause an immedate uninstrumented return. | |
| 102 // | |
| 103 // In order to get the return value, a reference to the variable containing | |
| 104 // the return value must be passed to the contructor of the object, and | |
| 105 // the return value must be set before return (since the mark object has | |
| 106 // a reference to it). | |
| 107 // | |
| 108 // Example: | |
| 109 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 110 // JNI_ENTRY(int, SomeFunc, ...) | |
| 111 // int return_value = 0; | |
| 112 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 113 // foo(CHECK_0) | |
| 114 // return_value = 5; | |
| 115 // return return_value; | |
| 116 // JNI_END | |
| 4006 | 117 #ifndef USDT2 |
| 0 | 118 #define DT_RETURN_MARK_DECL(name, type) \ |
| 119 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 120 DTRACE_ONLY( \ | |
| 121 class DTraceReturnProbeMark_##name { \ | |
| 122 public: \ | |
| 123 const type& _ret_ref; \ | |
| 124 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 125 ~DTraceReturnProbeMark_##name() { \ | |
| 126 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 127 } \ | |
| 128 } \ | |
| 129 ) | |
| 130 // Void functions are simpler since there's no return value | |
| 131 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 132 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 133 DTRACE_ONLY( \ | |
| 134 class DTraceReturnProbeMark_##name { \ | |
| 135 public: \ | |
| 136 ~DTraceReturnProbeMark_##name() { \ | |
| 137 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 138 } \ | |
| 139 } \ | |
| 140 ) | |
| 141 | |
| 4006 | 142 #else /* USDT2 */ |
| 143 | |
| 144 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 145 DTRACE_ONLY( \ | |
| 146 class DTraceReturnProbeMark_##name { \ | |
| 147 public: \ | |
| 148 const type& _ret_ref; \ | |
| 149 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 150 ~DTraceReturnProbeMark_##name() { \ | |
| 151 probe; \ | |
| 152 } \ | |
| 153 } \ | |
| 154 ) | |
| 155 // Void functions are simpler since there's no return value | |
| 156 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 157 DTRACE_ONLY( \ | |
| 158 class DTraceReturnProbeMark_##name { \ | |
| 159 public: \ | |
| 160 ~DTraceReturnProbeMark_##name() { \ | |
| 161 probe; \ | |
| 162 } \ | |
| 163 } \ | |
| 164 ) | |
| 165 #endif /* USDT2 */ | |
| 0 | 166 |
| 167 // Place these macros in the function to mark the return. Non-void | |
| 168 // functions need the type and address of the return value. | |
| 169 #define DT_RETURN_MARK(name, type, ref) \ | |
| 170 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 171 #define DT_VOID_RETURN_MARK(name) \ | |
| 172 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 173 | |
| 174 | |
| 175 // Use these to select distinct code for floating-point vs. non-floating point | |
| 176 // situations. Used from within common macros where we need slightly | |
| 177 // different behavior for Float/Double | |
| 178 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 179 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 180 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 181 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 182 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 183 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 184 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 185 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 186 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 187 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 188 FP_SELECT_##TypeName(intcode, fpcode) | |
| 189 | |
| 190 #define COMMA , | |
| 191 | |
| 192 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 193 // (dtrace doesn't do FP yet) | |
| 4006 | 194 #ifndef USDT2 |
| 0 | 195 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 196 FP_SELECT(TypeName, \ | |
| 197 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 198 #else /* USDT2 */ |
| 199 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 200 FP_SELECT(TypeName, \ | |
| 201 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 202 #endif /* USDT2 */ | |
| 0 | 203 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 204 FP_SELECT(TypeName, \ | |
| 205 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 206 | |
| 207 | |
| 208 // out-of-line helpers for class jfieldIDWorkaround: | |
| 209 | |
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210 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 211 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 212 uintptr_t as_uint = (uintptr_t) id; | |
| 213 intptr_t offset = raw_instance_offset(id); | |
| 214 if (is_checked_jfieldID(id)) { | |
| 215 if (!klass_hash_ok(k, id)) { | |
| 216 return false; | |
| 217 } | |
| 218 } | |
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219 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 220 } else { |
| 221 JNIid* result = (JNIid*) id; | |
| 222 #ifdef ASSERT | |
| 223 return result != NULL && result->is_static_field_id(); | |
| 224 #else | |
| 225 return result != NULL; | |
| 226 #endif | |
| 227 } | |
| 228 } | |
| 229 | |
| 230 | |
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231 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 232 if (offset <= small_offset_mask) { |
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233 Klass* field_klass = k; |
| 6983 | 234 Klass* super_klass = field_klass->super(); |
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235 // With compressed oops the most super class with nonstatic fields would |
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236 // be the owner of fields embedded in the header. |
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237 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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238 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 239 field_klass = super_klass; // super contains the field also |
| 6983 | 240 super_klass = field_klass->super(); |
| 0 | 241 } |
| 242 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 243 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 244 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 245 } else { | |
| 246 #if 0 | |
| 247 #ifndef PRODUCT | |
| 248 { | |
| 249 ResourceMark rm; | |
| 6983 | 250 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 251 } |
| 252 #endif | |
| 253 #endif | |
| 254 return 0; | |
| 255 } | |
| 256 } | |
| 257 | |
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258 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 259 uintptr_t as_uint = (uintptr_t) id; |
| 260 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 261 do { | |
| 262 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 263 // Could use a non-blocking query for identity_hash here... | |
| 264 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 265 return true; | |
| 6983 | 266 k = k->super(); |
| 0 | 267 } while (k != NULL); |
| 268 return false; | |
| 269 } | |
| 270 | |
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271 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 272 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 273 uintptr_t as_uint = (uintptr_t) id; | |
| 274 intptr_t offset = raw_instance_offset(id); | |
| 275 if (VerifyJNIFields) { | |
| 276 if (is_checked_jfieldID(id)) { | |
| 277 guarantee(klass_hash_ok(k, id), | |
| 278 "Bug in native code: jfieldID class must match object"); | |
| 279 } else { | |
| 280 #if 0 | |
| 281 #ifndef PRODUCT | |
| 282 if (Verbose) { | |
| 283 ResourceMark rm; | |
| 6983 | 284 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 285 } |
| 286 #endif | |
| 287 #endif | |
| 288 } | |
| 289 } | |
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290 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 291 "Bug in native code: jfieldID offset must address interior of object"); |
| 292 } | |
| 293 | |
| 294 // Pick a reasonable higher bound for local capacity requested | |
| 295 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 296 // high because a test (or very unusual application) may try to allocate | |
| 297 // that many handles and run out of swap space. An implementation is | |
| 298 // permitted to allocate more handles than the ensured capacity, so this | |
| 299 // value is set high enough to prevent compatibility problems. | |
| 300 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 301 | |
| 302 | |
| 303 // Wrapper to trace JNI functions | |
| 304 | |
| 305 #ifdef ASSERT | |
| 306 Histogram* JNIHistogram; | |
| 307 static volatile jint JNIHistogram_lock = 0; | |
| 308 | |
| 309 class JNITraceWrapper : public StackObj { | |
| 310 public: | |
| 311 JNITraceWrapper(const char* format, ...) { | |
| 312 if (TraceJNICalls) { | |
| 313 va_list ap; | |
| 314 va_start(ap, format); | |
| 315 tty->print("JNI "); | |
| 316 tty->vprint_cr(format, ap); | |
| 317 va_end(ap); | |
| 318 } | |
| 319 } | |
| 320 }; | |
| 321 | |
| 322 class JNIHistogramElement : public HistogramElement { | |
| 323 public: | |
| 324 JNIHistogramElement(const char* name); | |
| 325 }; | |
| 326 | |
| 327 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 328 _name = elementName; | |
| 329 uintx count = 0; | |
| 330 | |
| 331 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 332 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 333 count +=1; | |
| 334 if ( (WarnOnStalledSpinLock > 0) | |
| 335 && (count % WarnOnStalledSpinLock == 0)) { | |
| 336 warning("JNIHistogram_lock seems to be stalled"); | |
| 337 } | |
| 338 } | |
| 339 } | |
| 340 | |
| 341 | |
| 342 if(JNIHistogram == NULL) | |
| 343 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 344 | |
| 345 JNIHistogram->add_element(this); | |
| 346 Atomic::dec(&JNIHistogram_lock); | |
| 347 } | |
| 348 | |
| 349 #define JNICountWrapper(arg) \ | |
| 350 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 351 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 352 if (e != NULL) e->increment_count() | |
| 353 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 354 #else | |
| 355 #define JNIWrapper(arg) | |
| 356 #endif | |
| 357 | |
| 358 | |
| 359 // Implementation of JNI entries | |
| 360 | |
| 4006 | 361 #ifndef USDT2 |
| 0 | 362 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 363 #else /* USDT2 */ |
| 364 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 365 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 366 #endif /* USDT2 */ | |
| 0 | 367 |
| 368 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 369 const jbyte *buf, jsize bufLen)) | |
| 370 JNIWrapper("DefineClass"); | |
| 371 | |
| 4006 | 372 #ifndef USDT2 |
| 0 | 373 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 374 env, name, loaderRef, buf, bufLen); | |
| 4006 | 375 #else /* USDT2 */ |
| 376 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 377 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 378 #endif /* USDT2 */ | |
| 0 | 379 jclass cls = NULL; |
| 380 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 381 | |
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382 TempNewSymbol class_name = NULL; |
| 0 | 383 // Since exceptions can be thrown, class initialization can take place |
| 384 // if name is NULL no check for class name in .class stream has to be made. | |
| 385 if (name != NULL) { | |
| 386 const int str_len = (int)strlen(name); | |
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387 if (str_len > Symbol::max_length()) { |
| 0 | 388 // It's impossible to create this class; the name cannot fit |
| 389 // into the constant pool. | |
| 390 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 391 } | |
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392 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 393 } |
| 394 ResourceMark rm(THREAD); | |
| 395 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 396 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 397 | |
| 398 if (UsePerfData && !class_loader.is_null()) { | |
| 399 // check whether the current caller thread holds the lock or not. | |
| 400 // If not, increment the corresponding counter | |
| 401 if (ObjectSynchronizer:: | |
| 402 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 403 ObjectSynchronizer::owner_self) { | |
| 404 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 405 } | |
| 406 } | |
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407 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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408 Handle(), &st, true, |
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409 CHECK_NULL); |
| 0 | 410 |
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411 if (TraceClassResolution && k != NULL) { |
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412 trace_class_resolution(k); |
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413 } |
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414 |
| 0 | 415 cls = (jclass)JNIHandles::make_local( |
| 6983 | 416 env, k->java_mirror()); |
| 0 | 417 return cls; |
| 418 JNI_END | |
| 419 | |
| 420 | |
| 421 | |
| 422 static bool first_time_FindClass = true; | |
| 423 | |
| 4006 | 424 #ifndef USDT2 |
| 0 | 425 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 426 #else /* USDT2 */ |
| 427 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 428 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 429 #endif /* USDT2 */ | |
| 0 | 430 |
| 431 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 432 JNIWrapper("FindClass"); | |
| 4006 | 433 #ifndef USDT2 |
| 0 | 434 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 435 #else /* USDT2 */ |
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436 HOTSPOT_JNI_FINDCLASS_ENTRY(env, (char *)name); |
| 4006 | 437 #endif /* USDT2 */ |
| 0 | 438 |
| 439 jclass result = NULL; | |
| 440 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 441 | |
| 442 // Remember if we are the first invocation of jni_FindClass | |
| 443 bool first_time = first_time_FindClass; | |
| 444 first_time_FindClass = false; | |
| 445 | |
| 446 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 447 // name we can fit in the constant pool. | |
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448 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 449 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 450 } | |
| 451 | |
| 452 //%note jni_3 | |
| 453 Handle loader; | |
| 454 Handle protection_domain; | |
| 455 // Find calling class | |
| 456 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 457 if (k.not_null()) { | |
| 458 loader = Handle(THREAD, k->class_loader()); | |
| 459 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 460 // in the correct class context. | |
| 461 if (loader.is_null() && | |
| 462 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 463 JavaValue result(T_OBJECT); | |
| 464 JavaCalls::call_static(&result, k, | |
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465 vmSymbols::getFromClass_name(), |
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466 vmSymbols::void_class_signature(), |
| 0 | 467 thread); |
| 468 if (HAS_PENDING_EXCEPTION) { | |
| 469 Handle ex(thread, thread->pending_exception()); | |
| 470 CLEAR_PENDING_EXCEPTION; | |
| 471 THROW_HANDLE_0(ex); | |
| 472 } | |
| 473 oop mirror = (oop) result.get_jobject(); | |
| 474 loader = Handle(THREAD, | |
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475 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 476 protection_domain = Handle(THREAD, |
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477 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 478 } |
| 479 } else { | |
| 480 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 481 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 482 } | |
| 483 | |
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484 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 485 result = find_class_from_class_loader(env, sym, true, loader, |
| 486 protection_domain, true, thread); | |
| 487 | |
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488 if (TraceClassResolution && result != NULL) { |
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489 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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490 } |
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491 |
| 0 | 492 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 493 // rather than just allowing invocation counter to overflow and decay. | |
| 494 // Controlled by flag DelayCompilationDuringStartup. | |
| 495 if (first_time && !CompileTheWorld) | |
| 496 CompilationPolicy::completed_vm_startup(); | |
| 497 | |
| 498 return result; | |
| 499 JNI_END | |
| 500 | |
| 4006 | 501 #ifndef USDT2 |
| 0 | 502 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 503 #else /* USDT2 */ |
| 504 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 505 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 506 #endif /* USDT2 */ | |
| 0 | 507 |
| 508 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 509 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 510 #ifndef USDT2 |
| 0 | 511 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 512 #else /* USDT2 */ |
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513 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY(env, method); |
| 4006 | 514 #endif /* USDT2 */ |
| 0 | 515 jmethodID ret = NULL; |
| 516 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 517 | |
| 518 // method is a handle to a java.lang.reflect.Method object | |
| 519 oop reflected = JNIHandles::resolve_non_null(method); | |
| 520 oop mirror = NULL; | |
| 521 int slot = 0; | |
| 522 | |
| 1142 | 523 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 524 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 525 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 526 } else { | |
| 1142 | 527 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 528 mirror = java_lang_reflect_Method::clazz(reflected); |
| 529 slot = java_lang_reflect_Method::slot(reflected); | |
| 530 } | |
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531 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 532 |
| 533 KlassHandle k1(THREAD, k); | |
| 534 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 535 k1()->initialize(CHECK_NULL); |
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536 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 537 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 538 return ret; | |
| 539 JNI_END | |
| 540 | |
| 4006 | 541 #ifndef USDT2 |
| 0 | 542 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 543 #else /* USDT2 */ |
| 544 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 545 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 546 #endif /* USDT2 */ | |
| 0 | 547 |
| 548 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 549 JNIWrapper("FromReflectedField"); | |
| 4006 | 550 #ifndef USDT2 |
| 0 | 551 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 552 #else /* USDT2 */ |
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553 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY(env, field); |
| 4006 | 554 #endif /* USDT2 */ |
| 0 | 555 jfieldID ret = NULL; |
| 556 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 557 | |
| 558 // field is a handle to a java.lang.reflect.Field object | |
| 559 oop reflected = JNIHandles::resolve_non_null(field); | |
| 560 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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561 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 562 int slot = java_lang_reflect_Field::slot(reflected); |
| 563 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 564 | |
| 565 KlassHandle k1(THREAD, k); | |
| 566 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 567 k1()->initialize(CHECK_NULL); |
| 0 | 568 |
| 569 // First check if this is a static field | |
| 570 if (modifiers & JVM_ACC_STATIC) { | |
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571 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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572 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 573 assert(id != NULL, "corrupt Field object"); |
| 574 debug_only(id->set_is_static_field_id();) | |
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575 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 576 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 577 return ret; | |
| 578 } | |
| 579 | |
| 580 // The slot is the index of the field description in the field-array | |
| 581 // The jfieldID is the offset of the field within the object | |
| 582 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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583 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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584 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 585 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 586 return ret; | |
| 587 JNI_END | |
| 588 | |
| 4006 | 589 #ifndef USDT2 |
| 0 | 590 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 591 #else /* USDT2 */ |
| 592 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 593 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 594 #endif /* USDT2 */ | |
| 0 | 595 |
| 596 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 597 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 598 #ifndef USDT2 |
| 0 | 599 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 600 #else /* USDT2 */ |
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601 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY(env, cls, (uintptr_t) method_id, isStatic); |
| 4006 | 602 #endif /* USDT2 */ |
| 0 | 603 jobject ret = NULL; |
| 604 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 605 | |
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606 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 607 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 608 oop reflection_method; | |
| 609 if (m->is_initializer()) { | |
| 610 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 611 } else { | |
| 612 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 613 } | |
| 614 ret = JNIHandles::make_local(env, reflection_method); | |
| 615 return ret; | |
| 616 JNI_END | |
| 617 | |
| 4006 | 618 #ifndef USDT2 |
| 0 | 619 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 620 #else /* USDT2 */ |
| 621 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 622 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 623 #endif /* USDT2 */ | |
| 0 | 624 |
| 625 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 626 JNIWrapper("GetSuperclass"); | |
| 4006 | 627 #ifndef USDT2 |
| 0 | 628 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 629 #else /* USDT2 */ |
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630 HOTSPOT_JNI_GETSUPERCLASS_ENTRY(env, sub); |
| 4006 | 631 #endif /* USDT2 */ |
| 0 | 632 jclass obj = NULL; |
| 633 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 634 | |
| 635 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 636 // primitive classes return NULL | |
| 637 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 638 | |
| 639 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 640 // arrays return Object | |
| 641 // interfaces return NULL | |
| 642 // proper classes return Klass::super() | |
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643 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 644 if (k->is_interface()) return NULL; |
| 0 | 645 |
| 646 // return mirror for superclass | |
| 6983 | 647 Klass* super = k->java_super(); |
| 0 | 648 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 649 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 650 ? SystemDictionary::Object_klass() |
| 6983 | 651 : k->super() ) ); |
| 0 | 652 assert(super == super2, |
| 653 "java_super computation depends on interface, array, other super"); | |
| 6983 | 654 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 655 return obj; |
| 656 JNI_END | |
| 657 | |
| 658 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 659 JNIWrapper("IsSubclassOf"); | |
| 4006 | 660 #ifndef USDT2 |
| 0 | 661 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 662 #else /* USDT2 */ |
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663 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY(env, sub, super); |
| 4006 | 664 #endif /* USDT2 */ |
| 0 | 665 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 666 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 667 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 668 java_lang_Class::is_primitive(super_mirror)) { | |
| 669 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 670 #ifndef USDT2 |
| 0 | 671 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 672 #else /* USDT2 */ |
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673 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(ret); |
| 4006 | 674 #endif /* USDT2 */ |
| 0 | 675 return ret; |
| 676 } | |
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677 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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678 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 679 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 680 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 681 JNI_TRUE : JNI_FALSE; |
| 4006 | 682 #ifndef USDT2 |
| 0 | 683 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 684 #else /* USDT2 */ |
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685 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(ret); |
| 4006 | 686 #endif /* USDT2 */ |
| 0 | 687 return ret; |
| 688 JNI_END | |
| 689 | |
| 4006 | 690 #ifndef USDT2 |
| 0 | 691 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 692 #else /* USDT2 */ |
| 693 DT_RETURN_MARK_DECL(Throw, jint | |
| 694 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 695 #endif /* USDT2 */ | |
| 0 | 696 |
| 697 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 698 JNIWrapper("Throw"); | |
| 4006 | 699 #ifndef USDT2 |
| 0 | 700 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 701 #else /* USDT2 */ |
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702 HOTSPOT_JNI_THROW_ENTRY(env, obj); |
| 4006 | 703 #endif /* USDT2 */ |
| 0 | 704 jint ret = JNI_OK; |
| 705 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 706 | |
| 707 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 708 ShouldNotReachHere(); | |
| 709 JNI_END | |
| 710 | |
| 4006 | 711 #ifndef USDT2 |
| 0 | 712 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 713 #else /* USDT2 */ |
| 714 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 715 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 716 #endif /* USDT2 */ | |
| 0 | 717 |
| 718 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 719 JNIWrapper("ThrowNew"); | |
| 4006 | 720 #ifndef USDT2 |
| 0 | 721 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 722 #else /* USDT2 */ |
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723 HOTSPOT_JNI_THROWNEW_ENTRY(env, clazz, (char *) message); |
| 4006 | 724 #endif /* USDT2 */ |
| 0 | 725 jint ret = JNI_OK; |
| 726 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 727 | |
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728 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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729 Symbol* name = k->name(); |
| 0 | 730 Handle class_loader (THREAD, k->class_loader()); |
| 731 Handle protection_domain (THREAD, k->protection_domain()); | |
| 732 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 733 ShouldNotReachHere(); | |
| 734 JNI_END | |
| 735 | |
| 736 | |
| 737 // JNI functions only transform a pending async exception to a synchronous | |
| 738 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 739 // delivering an async exception in other places won't change the native | |
| 740 // code's control flow and would be harmful when native code further calls | |
| 741 // JNI functions with a pending exception. Async exception is also checked | |
| 742 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 743 // false but deliver the async exception at the very end during | |
| 744 // state transition. | |
| 745 | |
| 746 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 747 assert(thread == Thread::current(), "must be itself"); | |
| 748 thread->check_and_handle_async_exceptions(); | |
| 749 } | |
| 750 | |
| 751 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 752 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 753 #ifndef USDT2 |
| 0 | 754 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 755 #else /* USDT2 */ |
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756 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY(env); |
| 4006 | 757 #endif /* USDT2 */ |
| 0 | 758 jni_check_async_exceptions(thread); |
| 759 oop exception = thread->pending_exception(); | |
| 760 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 761 #ifndef USDT2 |
| 0 | 762 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 763 #else /* USDT2 */ |
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764 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN(ret); |
| 4006 | 765 #endif /* USDT2 */ |
| 0 | 766 return ret; |
| 767 JNI_END | |
| 768 | |
| 769 | |
| 770 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 771 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 772 #ifndef USDT2 |
| 0 | 773 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 774 #else /* USDT2 */ |
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775 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY(env); |
| 4006 | 776 #endif /* USDT2 */ |
| 0 | 777 if (thread->has_pending_exception()) { |
| 778 Handle ex(thread, thread->pending_exception()); | |
| 779 thread->clear_pending_exception(); | |
| 1142 | 780 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 781 // Don't print anything if we are being killed. |
| 782 } else { | |
| 783 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 784 if (thread != NULL && thread->threadObj() != NULL) { | |
| 785 ResourceMark rm(THREAD); | |
| 786 jio_fprintf(defaultStream::error_stream(), | |
| 787 "in thread \"%s\" ", thread->get_thread_name()); | |
| 788 } | |
| 1142 | 789 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 790 JavaValue result(T_VOID); |
| 791 JavaCalls::call_virtual(&result, | |
| 792 ex, | |
| 793 KlassHandle(THREAD, | |
| 1142 | 794 SystemDictionary::Throwable_klass()), |
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795 vmSymbols::printStackTrace_name(), |
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796 vmSymbols::void_method_signature(), |
| 0 | 797 THREAD); |
| 798 // If an exception is thrown in the call it gets thrown away. Not much | |
| 799 // we can do with it. The native code that calls this, does not check | |
| 800 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 801 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 802 // is expected. | |
| 803 CLEAR_PENDING_EXCEPTION; | |
| 804 } else { | |
| 805 ResourceMark rm(THREAD); | |
| 806 jio_fprintf(defaultStream::error_stream(), | |
| 807 ". Uncaught exception of type %s.", | |
| 6983 | 808 ex->klass()->external_name()); |
| 0 | 809 } |
| 810 } | |
| 811 } | |
| 4006 | 812 #ifndef USDT2 |
| 0 | 813 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 814 #else /* USDT2 */ |
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815 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN(); |
| 4006 | 816 #endif /* USDT2 */ |
| 0 | 817 JNI_END |
| 818 | |
| 819 | |
| 820 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 821 JNIWrapper("ExceptionClear"); | |
| 4006 | 822 #ifndef USDT2 |
| 0 | 823 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 824 #else /* USDT2 */ |
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825 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY(env); |
| 4006 | 826 #endif /* USDT2 */ |
| 0 | 827 |
| 828 // The jni code might be using this API to clear java thrown exception. | |
| 829 // So just mark jvmti thread exception state as exception caught. | |
| 830 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 831 if (state != NULL && state->is_exception_detected()) { | |
| 832 state->set_exception_caught(); | |
| 833 } | |
| 834 thread->clear_pending_exception(); | |
| 4006 | 835 #ifndef USDT2 |
| 0 | 836 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 837 #else /* USDT2 */ |
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838 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN(); |
| 4006 | 839 #endif /* USDT2 */ |
| 0 | 840 JNI_END |
| 841 | |
| 842 | |
| 843 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 844 JNIWrapper("FatalError"); | |
| 4006 | 845 #ifndef USDT2 |
| 0 | 846 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 847 #else /* USDT2 */ |
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848 HOTSPOT_JNI_FATALERROR_ENTRY(env, (char *) msg); |
| 4006 | 849 #endif /* USDT2 */ |
| 0 | 850 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 851 thread->print_stack(); | |
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852 os::abort(); // Dump core and abort |
| 0 | 853 JNI_END |
| 854 | |
| 855 | |
| 856 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 857 JNIWrapper("PushLocalFrame"); | |
| 4006 | 858 #ifndef USDT2 |
| 0 | 859 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 860 #else /* USDT2 */ |
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861 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY(env, capacity); |
| 4006 | 862 #endif /* USDT2 */ |
| 0 | 863 //%note jni_11 |
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864 if (capacity < 0 || capacity > MAX_REASONABLE_LOCAL_CAPACITY) { |
| 4006 | 865 #ifndef USDT2 |
| 0 | 866 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 867 #else /* USDT2 */ |
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868 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN((uint32_t)JNI_ERR); |
| 4006 | 869 #endif /* USDT2 */ |
| 0 | 870 return JNI_ERR; |
| 871 } | |
| 872 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 873 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 874 assert(new_handles != NULL, "should not be NULL"); | |
| 875 new_handles->set_pop_frame_link(old_handles); | |
| 876 thread->set_active_handles(new_handles); | |
| 877 jint ret = JNI_OK; | |
| 4006 | 878 #ifndef USDT2 |
| 0 | 879 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 880 #else /* USDT2 */ |
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881 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(ret); |
| 4006 | 882 #endif /* USDT2 */ |
| 0 | 883 return ret; |
| 884 JNI_END | |
| 885 | |
| 886 | |
| 887 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 888 JNIWrapper("PopLocalFrame"); | |
| 4006 | 889 #ifndef USDT2 |
| 0 | 890 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 891 #else /* USDT2 */ |
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892 HOTSPOT_JNI_POPLOCALFRAME_ENTRY(env, result); |
| 4006 | 893 #endif /* USDT2 */ |
| 0 | 894 //%note jni_11 |
| 895 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 896 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 897 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 898 if (new_handles != NULL) { | |
| 899 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 900 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 901 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 902 // the release_block call will release the blocks. | |
| 903 thread->set_active_handles(new_handles); | |
| 904 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 905 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 906 result = JNIHandles::make_local(thread, result_handle()); | |
| 907 } | |
| 4006 | 908 #ifndef USDT2 |
| 0 | 909 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 910 #else /* USDT2 */ |
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911 HOTSPOT_JNI_POPLOCALFRAME_RETURN(result); |
| 4006 | 912 #endif /* USDT2 */ |
| 0 | 913 return result; |
| 914 JNI_END | |
| 915 | |
| 916 | |
| 917 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 918 JNIWrapper("NewGlobalRef"); | |
| 4006 | 919 #ifndef USDT2 |
| 0 | 920 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 921 #else /* USDT2 */ |
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922 HOTSPOT_JNI_NEWGLOBALREF_ENTRY(env, ref); |
| 4006 | 923 #endif /* USDT2 */ |
| 0 | 924 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 925 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 926 #ifndef USDT2 |
| 0 | 927 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 928 #else /* USDT2 */ |
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929 HOTSPOT_JNI_NEWGLOBALREF_RETURN(ret); |
| 4006 | 930 #endif /* USDT2 */ |
| 0 | 931 return ret; |
| 932 JNI_END | |
| 933 | |
| 934 // Must be JNI_ENTRY (with HandleMark) | |
| 935 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 936 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 937 #ifndef USDT2 |
| 0 | 938 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 939 #else /* USDT2 */ |
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940 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY(env, ref); |
| 4006 | 941 #endif /* USDT2 */ |
| 0 | 942 JNIHandles::destroy_global(ref); |
| 4006 | 943 #ifndef USDT2 |
| 0 | 944 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 945 #else /* USDT2 */ |
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946 HOTSPOT_JNI_DELETEGLOBALREF_RETURN(); |
| 4006 | 947 #endif /* USDT2 */ |
| 0 | 948 JNI_END |
| 949 | |
| 950 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 951 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 952 #ifndef USDT2 |
| 0 | 953 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 954 #else /* USDT2 */ |
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955 HOTSPOT_JNI_DELETELOCALREF_ENTRY(env, obj); |
| 4006 | 956 #endif /* USDT2 */ |
| 0 | 957 JNIHandles::destroy_local(obj); |
| 4006 | 958 #ifndef USDT2 |
| 0 | 959 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 960 #else /* USDT2 */ |
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961 HOTSPOT_JNI_DELETELOCALREF_RETURN(); |
| 4006 | 962 #endif /* USDT2 */ |
| 0 | 963 JNI_END |
| 964 | |
| 965 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 966 JNIWrapper("IsSameObject"); | |
| 4006 | 967 #ifndef USDT2 |
| 0 | 968 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 969 #else /* USDT2 */ |
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970 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY(env, r1, r2); |
| 4006 | 971 #endif /* USDT2 */ |
| 0 | 972 oop a = JNIHandles::resolve(r1); |
| 973 oop b = JNIHandles::resolve(r2); | |
| 974 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 975 #ifndef USDT2 |
| 0 | 976 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 977 #else /* USDT2 */ |
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978 HOTSPOT_JNI_ISSAMEOBJECT_RETURN(ret); |
| 4006 | 979 #endif /* USDT2 */ |
| 0 | 980 return ret; |
| 981 JNI_END | |
| 982 | |
| 983 | |
| 984 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 985 JNIWrapper("NewLocalRef"); | |
| 4006 | 986 #ifndef USDT2 |
| 0 | 987 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 988 #else /* USDT2 */ |
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989 HOTSPOT_JNI_NEWLOCALREF_ENTRY(env, ref); |
| 4006 | 990 #endif /* USDT2 */ |
| 0 | 991 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 992 #ifndef USDT2 |
| 0 | 993 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 994 #else /* USDT2 */ |
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995 HOTSPOT_JNI_NEWLOCALREF_RETURN(ret); |
| 4006 | 996 #endif /* USDT2 */ |
| 0 | 997 return ret; |
| 998 JNI_END | |
| 999 | |
| 1000 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1001 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1002 #ifndef USDT2 |
| 0 | 1003 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1004 #else /* USDT2 */ |
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1005 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY(env, capacity); |
| 4006 | 1006 #endif /* USDT2 */ |
| 0 | 1007 jint ret; |
| 1008 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1009 ret = JNI_OK; | |
| 1010 } else { | |
| 1011 ret = JNI_ERR; | |
| 1012 } | |
| 4006 | 1013 #ifndef USDT2 |
| 0 | 1014 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1015 #else /* USDT2 */ |
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1016 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN(ret); |
| 4006 | 1017 #endif /* USDT2 */ |
| 0 | 1018 return ret; |
| 1019 JNI_END | |
| 1020 | |
| 1021 // Return the Handle Type | |
| 1022 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1023 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1024 #ifndef USDT2 |
| 0 | 1025 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1026 #else /* USDT2 */ |
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1027 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY(env, obj); |
| 4006 | 1028 #endif /* USDT2 */ |
| 0 | 1029 jobjectRefType ret; |
| 1030 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1031 JNIHandles::is_frame_handle(thread, obj)) | |
| 1032 ret = JNILocalRefType; | |
| 1033 else if (JNIHandles::is_global_handle(obj)) | |
| 1034 ret = JNIGlobalRefType; | |
| 1035 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1036 ret = JNIWeakGlobalRefType; | |
| 1037 else | |
| 1038 ret = JNIInvalidRefType; | |
| 4006 | 1039 #ifndef USDT2 |
| 0 | 1040 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1041 #else /* USDT2 */ |
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1042 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN((void *) ret); |
| 4006 | 1043 #endif /* USDT2 */ |
| 0 | 1044 return ret; |
| 1045 JNI_END | |
| 1046 | |
| 1047 | |
| 1048 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1049 protected: | |
| 1050 JavaCallArguments* _arguments; | |
| 1051 | |
| 1052 virtual void get_bool () = 0; | |
| 1053 virtual void get_char () = 0; | |
| 1054 virtual void get_short () = 0; | |
| 1055 virtual void get_byte () = 0; | |
| 1056 virtual void get_int () = 0; | |
| 1057 virtual void get_long () = 0; | |
| 1058 virtual void get_float () = 0; | |
| 1059 virtual void get_double () = 0; | |
| 1060 virtual void get_object () = 0; | |
| 1061 | |
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1062 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1063 this->_return_type = T_ILLEGAL; |
| 1064 _arguments = NULL; | |
| 1065 } | |
| 1066 | |
| 1067 public: | |
| 1068 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1069 | |
| 1070 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1071 | |
| 1072 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1073 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1074 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1075 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1076 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1077 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1078 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1079 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1080 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1081 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1082 inline void do_void() { } | |
| 1083 | |
| 1084 JavaCallArguments* arguments() { return _arguments; } | |
| 1085 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1086 }; | |
| 1087 | |
| 1088 | |
| 1089 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1090 protected: | |
| 1091 va_list _ap; | |
| 1092 | |
| 1093 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1094 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1095 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1096 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1097 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1098 | |
| 1099 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1100 | |
| 1101 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1102 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1103 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1104 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1105 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1106 | |
| 1107 inline void set_ap(va_list rap) { | |
| 1108 #ifdef va_copy | |
| 1109 va_copy(_ap, rap); | |
| 1110 #elif defined (__va_copy) | |
| 1111 __va_copy(_ap, rap); | |
| 1112 #else | |
| 1113 _ap = rap; | |
| 1114 #endif | |
| 1115 } | |
| 1116 | |
| 1117 public: | |
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1118 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1119 : JNI_ArgumentPusher(signature) { |
| 0 | 1120 set_ap(rap); |
| 1121 } | |
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1122 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1123 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1124 set_ap(rap); |
| 1125 } | |
| 1126 | |
| 1127 // Optimized path if we have the bitvector form of signature | |
| 1128 void iterate( uint64_t fingerprint ) { | |
| 1129 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1130 else { | |
| 1131 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1132 result_feature_mask); | |
| 1133 | |
| 1134 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1135 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1136 while ( 1 ) { | |
| 1137 switch ( fingerprint & parameter_feature_mask ) { | |
| 1138 case bool_parm: | |
| 1139 case char_parm: | |
| 1140 case short_parm: | |
| 1141 case byte_parm: | |
| 1142 case int_parm: | |
| 1143 get_int(); | |
| 1144 break; | |
| 1145 case obj_parm: | |
| 1146 get_object(); | |
| 1147 break; | |
| 1148 case long_parm: | |
| 1149 get_long(); | |
| 1150 break; | |
| 1151 case float_parm: | |
| 1152 get_float(); | |
| 1153 break; | |
| 1154 case double_parm: | |
| 1155 get_double(); | |
| 1156 break; | |
| 1157 case done_parm: | |
| 1158 return; | |
| 1159 break; | |
| 1160 default: | |
| 1161 ShouldNotReachHere(); | |
| 1162 break; | |
| 1163 } | |
| 1164 fingerprint >>= parameter_feature_size; | |
| 1165 } | |
| 1166 } | |
| 1167 } | |
| 1168 }; | |
| 1169 | |
| 1170 | |
| 1171 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1172 protected: | |
| 1173 const jvalue *_ap; | |
| 1174 | |
| 1175 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1176 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1177 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1178 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1179 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1180 | |
| 1181 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1182 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1183 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1184 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1185 | |
| 1186 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1187 | |
| 1188 public: | |
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1189 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1190 : JNI_ArgumentPusher(signature) { |
| 0 | 1191 set_ap(rap); |
| 1192 } | |
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1193 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1194 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1195 set_ap(rap); |
| 1196 } | |
| 1197 | |
| 1198 // Optimized path if we have the bitvector form of signature | |
| 1199 void iterate( uint64_t fingerprint ) { | |
| 1200 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1201 else { | |
| 1202 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1203 result_feature_mask); | |
| 1204 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1205 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1206 while ( 1 ) { | |
| 1207 switch ( fingerprint & parameter_feature_mask ) { | |
| 1208 case bool_parm: | |
| 1209 get_bool(); | |
| 1210 break; | |
| 1211 case char_parm: | |
| 1212 get_char(); | |
| 1213 break; | |
| 1214 case short_parm: | |
| 1215 get_short(); | |
| 1216 break; | |
| 1217 case byte_parm: | |
| 1218 get_byte(); | |
| 1219 break; | |
| 1220 case int_parm: | |
| 1221 get_int(); | |
| 1222 break; | |
| 1223 case obj_parm: | |
| 1224 get_object(); | |
| 1225 break; | |
| 1226 case long_parm: | |
| 1227 get_long(); | |
| 1228 break; | |
| 1229 case float_parm: | |
| 1230 get_float(); | |
| 1231 break; | |
| 1232 case double_parm: | |
| 1233 get_double(); | |
| 1234 break; | |
| 1235 case done_parm: | |
| 1236 return; | |
| 1237 break; | |
| 1238 default: | |
| 1239 ShouldNotReachHere(); | |
| 1240 break; | |
| 1241 } | |
| 1242 fingerprint >>= parameter_feature_size; | |
| 1243 } | |
| 1244 } | |
| 1245 } | |
| 1246 }; | |
| 1247 | |
| 1248 | |
| 1249 enum JNICallType { | |
| 1250 JNI_STATIC, | |
| 1251 JNI_VIRTUAL, | |
| 1252 JNI_NONVIRTUAL | |
| 1253 }; | |
| 1254 | |
| 1255 | |
| 1256 | |
| 1257 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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1258 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1259 |
| 1260 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1261 // the jni parser | |
| 1262 ResourceMark rm(THREAD); | |
| 1263 int number_of_parameters = method->size_of_parameters(); | |
| 1264 JavaCallArguments java_args(number_of_parameters); | |
| 1265 args->set_java_argument_object(&java_args); | |
| 1266 | |
| 1267 assert(method->is_static(), "method should be static"); | |
| 1268 | |
| 1269 // Fill out JavaCallArguments object | |
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1270 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1271 // Initialize result type |
| 1272 result->set_type(args->get_ret_type()); | |
| 1273 | |
| 1274 // Invoke the method. Result is returned as oop. | |
| 1275 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1276 | |
| 1277 // Convert result | |
| 1278 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1279 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1280 } | |
| 1281 } | |
| 1282 | |
| 1283 | |
| 1284 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1285 oop recv = JNIHandles::resolve(receiver); | |
| 1286 if (recv == NULL) { | |
| 1287 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1288 } | |
| 1289 Handle h_recv(THREAD, recv); | |
| 1290 | |
| 1291 int number_of_parameters; | |
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1292 Method* selected_method; |
| 0 | 1293 { |
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1294 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1295 number_of_parameters = m->size_of_parameters(); |
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1296 Klass* holder = m->method_holder(); |
| 6983 | 1297 if (!(holder)->is_interface()) { |
| 0 | 1298 // non-interface call -- for that little speed boost, don't handlize |
| 1299 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1300 if (call_type == JNI_VIRTUAL) { | |
| 1301 // jni_GetMethodID makes sure class is linked and initialized | |
| 1302 // so m should have a valid vtable index. | |
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1303 assert(!m->has_itable_index(), ""); |
| 0 | 1304 int vtbl_index = m->vtable_index(); |
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1305 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1306 Klass* k = h_recv->klass(); |
| 0 | 1307 // k might be an arrayKlassOop but all vtables start at |
| 1308 // the same place. The cast is to avoid virtual call and assertion. | |
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1309 InstanceKlass *ik = (InstanceKlass*)k; |
| 0 | 1310 selected_method = ik->method_at_vtable(vtbl_index); |
| 1311 } else { | |
| 1312 // final method | |
| 1313 selected_method = m; | |
| 1314 } | |
| 1315 } else { | |
| 1316 // JNI_NONVIRTUAL call | |
| 1317 selected_method = m; | |
| 1318 } | |
| 1319 } else { | |
| 1320 // interface call | |
| 1321 KlassHandle h_holder(THREAD, holder); | |
| 1322 | |
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1323 int itbl_index = m->itable_index(); |
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1324 Klass* k = h_recv->klass(); |
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1325 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1326 } |
| 1327 } | |
| 1328 | |
| 1329 methodHandle method(THREAD, selected_method); | |
| 1330 | |
| 1331 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1332 // the jni parser | |
| 1333 ResourceMark rm(THREAD); | |
| 1334 JavaCallArguments java_args(number_of_parameters); | |
| 1335 args->set_java_argument_object(&java_args); | |
| 1336 | |
| 1337 // handle arguments | |
| 1338 assert(!method->is_static(), "method should not be static"); | |
| 1339 args->push_receiver(h_recv); // Push jobject handle | |
| 1340 | |
| 1341 // Fill out JavaCallArguments object | |
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1342 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1343 // Initialize result type |
| 1344 result->set_type(args->get_ret_type()); | |
| 1345 | |
| 1346 // Invoke the method. Result is returned as oop. | |
| 1347 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1348 | |
| 1349 // Convert result | |
| 1350 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1351 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1352 } | |
| 1353 } | |
| 1354 | |
| 1355 | |
| 1356 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1357 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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1358 if (k == NULL) { |
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1359 ResourceMark rm(THREAD); |
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1360 THROW_(vmSymbols::java_lang_InstantiationException(), NULL); |
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1361 } |
| 6983 | 1362 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1363 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1364 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1365 return ih; |
| 1366 } | |
| 1367 | |
| 4006 | 1368 #ifndef USDT2 |
| 0 | 1369 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1370 #else /* USDT2 */ |
| 1371 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1372 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1373 #endif /* USDT2 */ | |
| 0 | 1374 |
| 1375 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1376 JNIWrapper("AllocObject"); | |
| 1377 | |
| 4006 | 1378 #ifndef USDT2 |
| 0 | 1379 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1380 #else /* USDT2 */ |
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1381 HOTSPOT_JNI_ALLOCOBJECT_ENTRY(env, clazz); |
| 4006 | 1382 #endif /* USDT2 */ |
| 0 | 1383 jobject ret = NULL; |
| 1384 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1385 | |
| 1386 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1387 ret = JNIHandles::make_local(env, i); | |
| 1388 return ret; | |
| 1389 JNI_END | |
| 1390 | |
| 4006 | 1391 #ifndef USDT2 |
| 0 | 1392 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1393 #else /* USDT2 */ |
| 1394 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1395 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1396 #endif /* USDT2 */ | |
| 0 | 1397 |
| 1398 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1399 JNIWrapper("NewObjectA"); | |
| 4006 | 1400 #ifndef USDT2 |
| 0 | 1401 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1402 #else /* USDT2 */ |
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1403 HOTSPOT_JNI_NEWOBJECTA_ENTRY(env, clazz, (uintptr_t) methodID); |
| 4006 | 1404 #endif /* USDT2 */ |
| 0 | 1405 jobject obj = NULL; |
| 1406 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1407 | |
| 1408 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1409 obj = JNIHandles::make_local(env, i); | |
| 1410 JavaValue jvalue(T_VOID); | |
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1411 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1412 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1413 return obj; | |
| 1414 JNI_END | |
| 1415 | |
| 4006 | 1416 #ifndef USDT2 |
| 0 | 1417 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1418 #else /* USDT2 */ |
| 1419 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1420 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1421 #endif /* USDT2 */ | |
| 0 | 1422 |
| 1423 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1424 JNIWrapper("NewObjectV"); | |
| 4006 | 1425 #ifndef USDT2 |
| 0 | 1426 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1427 #else /* USDT2 */ |
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1428 HOTSPOT_JNI_NEWOBJECTV_ENTRY(env, clazz, (uintptr_t) methodID); |
| 4006 | 1429 #endif /* USDT2 */ |
| 0 | 1430 jobject obj = NULL; |
| 1431 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1432 | |
| 1433 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1434 obj = JNIHandles::make_local(env, i); | |
| 1435 JavaValue jvalue(T_VOID); | |
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1436 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1437 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1438 return obj; | |
| 1439 JNI_END | |
| 1440 | |
| 4006 | 1441 #ifndef USDT2 |
| 0 | 1442 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1443 #else /* USDT2 */ |
| 1444 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1445 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1446 #endif /* USDT2 */ | |
| 0 | 1447 |
| 1448 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1449 JNIWrapper("NewObject"); | |
| 4006 | 1450 #ifndef USDT2 |
| 0 | 1451 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1452 #else /* USDT2 */ |
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1453 HOTSPOT_JNI_NEWOBJECT_ENTRY(env, clazz, (uintptr_t) methodID); |
| 4006 | 1454 #endif /* USDT2 */ |
| 0 | 1455 jobject obj = NULL; |
| 1456 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1457 | |
| 1458 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1459 obj = JNIHandles::make_local(env, i); | |
| 1460 va_list args; | |
| 1461 va_start(args, methodID); | |
| 1462 JavaValue jvalue(T_VOID); | |
|
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1463 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1464 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1465 va_end(args); | |
| 1466 return obj; | |
| 1467 JNI_END | |
| 1468 | |
| 1469 | |
| 1470 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1471 JNIWrapper("GetObjectClass"); | |
| 4006 | 1472 #ifndef USDT2 |
| 0 | 1473 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1474 #else /* USDT2 */ |
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1475 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY(env, obj); |
| 4006 | 1476 #endif /* USDT2 */ |
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1477 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1478 jclass ret = |
| 6983 | 1479 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1480 #ifndef USDT2 |
| 0 | 1481 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1482 #else /* USDT2 */ |
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1483 HOTSPOT_JNI_GETOBJECTCLASS_RETURN(ret); |
| 4006 | 1484 #endif /* USDT2 */ |
| 0 | 1485 return ret; |
| 1486 JNI_END | |
| 1487 | |
| 1488 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1489 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1490 #ifndef USDT2 |
| 0 | 1491 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1492 #else /* USDT2 */ |
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1493 HOTSPOT_JNI_ISINSTANCEOF_ENTRY(env, obj, clazz); |
| 4006 | 1494 #endif /* USDT2 */ |
| 0 | 1495 jboolean ret = JNI_TRUE; |
| 1496 if (obj != NULL) { | |
| 1497 ret = JNI_FALSE; | |
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1498 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1499 JNIHandles::resolve_non_null(clazz)); |
| 1500 if (k != NULL) { | |
| 1501 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1502 } | |
| 1503 } | |
| 4006 | 1504 #ifndef USDT2 |
| 0 | 1505 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1506 #else /* USDT2 */ |
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1507 HOTSPOT_JNI_ISINSTANCEOF_RETURN(ret); |
| 4006 | 1508 #endif /* USDT2 */ |
| 0 | 1509 return ret; |
| 1510 JNI_END | |
| 1511 | |
| 1512 | |
| 1513 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1514 const char *sig, bool is_static, TRAPS) { | |
| 1515 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1516 // | |
| 1517 // The class should have been loaded (we have an instance of the class | |
| 1518 // passed in) so the method and signature should already be in the symbol | |
| 1519 // table. If they're not there, the method doesn't exist. | |
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1520 const char *name_to_probe = (name_str == NULL) |
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1521 ? vmSymbols::object_initializer_name()->as_C_string() |
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1522 : name_str; |
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1523 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1524 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1525 |
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1526 if (name == NULL || signature == NULL) { |
| 0 | 1527 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1528 } | |
| 1529 | |
| 1530 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1531 // primitive java.lang.Class | |
| 1532 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1533 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1534 } | |
| 1535 | |
| 1536 KlassHandle klass(THREAD, | |
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1537 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1538 |
| 1539 // Make sure class is linked and initialized before handing id's out to | |
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1540 // Method*s. |
| 6983 | 1541 klass()->initialize(CHECK_NULL); |
| 0 | 1542 |
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1543 Method* m; |
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1544 if (name == vmSymbols::object_initializer_name() || |
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1545 name == vmSymbols::class_initializer_name()) { |
| 0 | 1546 // Never search superclasses for constructors |
| 1547 if (klass->oop_is_instance()) { | |
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1548 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1549 } else { |
| 1550 m = NULL; | |
| 1551 } | |
| 1552 } else { | |
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1553 m = klass->lookup_method(name, signature); |
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1554 if (m == NULL && klass->oop_is_instance()) { |
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1555 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
| 0 | 1556 } |
| 1557 } | |
| 1558 if (m == NULL || (m->is_static() != is_static)) { | |
| 1559 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1560 } | |
| 1561 return m->jmethod_id(); | |
| 1562 } | |
| 1563 | |
| 1564 | |
| 1565 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1566 const char *name, const char *sig)) | |
| 1567 JNIWrapper("GetMethodID"); | |
| 4006 | 1568 #ifndef USDT2 |
| 0 | 1569 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1570 #else /* USDT2 */ |
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1571 HOTSPOT_JNI_GETMETHODID_ENTRY(env, clazz, (char *) name, (char *) sig); |
| 4006 | 1572 #endif /* USDT2 */ |
| 0 | 1573 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1574 #ifndef USDT2 |
| 0 | 1575 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1576 #else /* USDT2 */ |
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1577 HOTSPOT_JNI_GETMETHODID_RETURN((uintptr_t) ret); |
| 4006 | 1578 #endif /* USDT2 */ |
| 0 | 1579 return ret; |
| 1580 JNI_END | |
| 1581 | |
| 1582 | |
| 1583 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1584 const char *name, const char *sig)) | |
| 1585 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1586 #ifndef USDT2 |
| 0 | 1587 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1588 #else /* USDT2 */ |
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1589 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY(env, (char *) clazz, (char *) name, (char *)sig); |
| 4006 | 1590 #endif /* USDT2 */ |
| 0 | 1591 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1592 #ifndef USDT2 |
| 0 | 1593 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1594 #else /* USDT2 */ |
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1595 HOTSPOT_JNI_GETSTATICMETHODID_RETURN((uintptr_t) ret); |
| 4006 | 1596 #endif /* USDT2 */ |
| 0 | 1597 return ret; |
| 1598 JNI_END | |
| 1599 | |
| 1600 | |
| 1601 | |
| 1602 // | |
| 1603 // Calling Methods | |
| 1604 // | |
| 1605 | |
| 4006 | 1606 #ifndef USDT2 |
| 0 | 1607 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1608 \ | |
| 1609 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1610 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1611 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1612 \ | |
| 1613 JNI_ENTRY(ResultType, \ | |
| 1614 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1615 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1616 \ | |
| 4006 | 1617 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1618 ResultType ret = 0;\ |
| 1619 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1620 (const ResultType&)ret);\ | |
| 1621 \ | |
| 1622 va_list args; \ | |
| 1623 va_start(args, methodID); \ | |
| 1624 JavaValue jvalue(Tag); \ | |
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1625 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1626 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1627 va_end(args); \ | |
| 1628 ret = jvalue.get_##ResultType(); \ | |
| 1629 return ret;\ | |
| 1630 JNI_END \ | |
| 1631 \ | |
| 1632 \ | |
| 1633 JNI_ENTRY(ResultType, \ | |
| 1634 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1635 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1636 \ | |
| 4006 | 1637 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1638 ResultType ret = 0;\ |
| 1639 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1640 (const ResultType&)ret);\ | |
| 1641 \ | |
| 1642 JavaValue jvalue(Tag); \ | |
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1643 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1644 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1645 ret = jvalue.get_##ResultType(); \ | |
| 1646 return ret;\ | |
| 1647 JNI_END \ | |
| 1648 \ | |
| 1649 \ | |
| 1650 JNI_ENTRY(ResultType, \ | |
| 1651 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1652 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1653 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1654 ResultType ret = 0;\ |
| 1655 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1656 (const ResultType&)ret);\ | |
| 1657 \ | |
| 1658 JavaValue jvalue(Tag); \ | |
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1659 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1660 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1661 ret = jvalue.get_##ResultType(); \ | |
| 1662 return ret;\ | |
| 1663 JNI_END | |
| 1664 | |
| 1665 // the runtime type of subword integral basic types is integer | |
| 1666 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1667 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1668 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1669 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1670 | |
| 1671 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1672 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1673 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1674 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1675 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1676 | |
| 1677 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1678 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1679 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1680 | |
| 4006 | 1681 #else /* USDT2 */ |
| 1682 | |
| 1683 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1684 , EntryProbe, ReturnProbe) \ | |
| 1685 \ | |
| 1686 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1687 , ReturnProbe); \ | |
| 1688 \ | |
| 1689 JNI_ENTRY(ResultType, \ | |
| 1690 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1691 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1692 \ | |
| 1693 EntryProbe; \ | |
| 1694 ResultType ret = 0;\ | |
| 1695 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1696 (const ResultType&)ret);\ | |
| 1697 \ | |
| 1698 va_list args; \ | |
| 1699 va_start(args, methodID); \ | |
| 1700 JavaValue jvalue(Tag); \ | |
| 1701 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1702 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1703 va_end(args); \ | |
| 1704 ret = jvalue.get_##ResultType(); \ | |
| 1705 return ret;\ | |
| 1706 JNI_END | |
| 1707 | |
| 1708 // the runtime type of subword integral basic types is integer | |
| 1709 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1710 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1711 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1712 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1713 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1714 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1715 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1716 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1717 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1718 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1719 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1720 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1721 | |
| 1722 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1723 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1724 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1725 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1726 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1727 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1728 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1729 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1730 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1731 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1732 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1733 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1734 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1735 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1736 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1737 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1738 | |
| 1739 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1740 , EntryProbe, ReturnProbe) \ | |
| 1741 \ | |
| 1742 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1743 , ReturnProbe); \ | |
| 1744 \ | |
| 1745 JNI_ENTRY(ResultType, \ | |
| 1746 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1747 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1748 \ | |
| 1749 EntryProbe;\ | |
| 1750 ResultType ret = 0;\ | |
| 1751 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1752 (const ResultType&)ret);\ | |
| 1753 \ | |
| 1754 JavaValue jvalue(Tag); \ | |
| 1755 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1756 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1757 ret = jvalue.get_##ResultType(); \ | |
| 1758 return ret;\ | |
| 1759 JNI_END | |
| 1760 | |
| 1761 // the runtime type of subword integral basic types is integer | |
| 1762 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
|
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1763 , HOTSPOT_JNI_CALLBOOLEANMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1764 HOTSPOT_JNI_CALLBOOLEANMETHODV_RETURN(_ret_ref)) |
| 4006 | 1765 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE |
|
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1766 , HOTSPOT_JNI_CALLBYTEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1767 HOTSPOT_JNI_CALLBYTEMETHODV_RETURN(_ret_ref)) |
| 4006 | 1768 DEFINE_CALLMETHODV(jchar, Char, T_CHAR |
|
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1769 , HOTSPOT_JNI_CALLCHARMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1770 HOTSPOT_JNI_CALLCHARMETHODV_RETURN(_ret_ref)) |
| 4006 | 1771 DEFINE_CALLMETHODV(jshort, Short, T_SHORT |
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1772 , HOTSPOT_JNI_CALLSHORTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1773 HOTSPOT_JNI_CALLSHORTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1774 |
| 1775 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
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1776 , HOTSPOT_JNI_CALLOBJECTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1777 HOTSPOT_JNI_CALLOBJECTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1778 DEFINE_CALLMETHODV(jint, Int, T_INT, |
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1779 HOTSPOT_JNI_CALLINTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1780 HOTSPOT_JNI_CALLINTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1781 DEFINE_CALLMETHODV(jlong, Long, T_LONG |
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1782 , HOTSPOT_JNI_CALLLONGMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1783 HOTSPOT_JNI_CALLLONGMETHODV_RETURN(_ret_ref)) |
| 4006 | 1784 // Float and double probes don't return value because dtrace doesn't currently support it |
| 1785 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
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1786 , HOTSPOT_JNI_CALLFLOATMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1787 HOTSPOT_JNI_CALLFLOATMETHODV_RETURN()) |
| 4006 | 1788 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE |
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1789 , HOTSPOT_JNI_CALLDOUBLEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1790 HOTSPOT_JNI_CALLDOUBLEMETHODV_RETURN()) |
| 4006 | 1791 |
| 1792 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1793 , EntryProbe, ReturnProbe) \ | |
| 1794 \ | |
| 1795 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1796 , ReturnProbe); \ | |
| 1797 \ | |
| 1798 JNI_ENTRY(ResultType, \ | |
| 1799 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1800 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1801 EntryProbe; \ | |
| 1802 ResultType ret = 0;\ | |
| 1803 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1804 (const ResultType&)ret);\ | |
| 1805 \ | |
| 1806 JavaValue jvalue(Tag); \ | |
| 1807 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1808 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1809 ret = jvalue.get_##ResultType(); \ | |
| 1810 return ret;\ | |
| 1811 JNI_END | |
| 1812 | |
| 1813 // the runtime type of subword integral basic types is integer | |
| 1814 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
|
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1815 , HOTSPOT_JNI_CALLBOOLEANMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1816 HOTSPOT_JNI_CALLBOOLEANMETHODA_RETURN(_ret_ref)) |
| 4006 | 1817 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE |
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1818 , HOTSPOT_JNI_CALLBYTEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1819 HOTSPOT_JNI_CALLBYTEMETHODA_RETURN(_ret_ref)) |
| 4006 | 1820 DEFINE_CALLMETHODA(jchar, Char, T_CHAR |
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1821 , HOTSPOT_JNI_CALLCHARMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1822 HOTSPOT_JNI_CALLCHARMETHODA_RETURN(_ret_ref)) |
| 4006 | 1823 DEFINE_CALLMETHODA(jshort, Short, T_SHORT |
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1824 , HOTSPOT_JNI_CALLSHORTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1825 HOTSPOT_JNI_CALLSHORTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1826 |
| 1827 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
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1828 , HOTSPOT_JNI_CALLOBJECTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1829 HOTSPOT_JNI_CALLOBJECTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1830 DEFINE_CALLMETHODA(jint, Int, T_INT, |
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1831 HOTSPOT_JNI_CALLINTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1832 HOTSPOT_JNI_CALLINTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1833 DEFINE_CALLMETHODA(jlong, Long, T_LONG |
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1834 , HOTSPOT_JNI_CALLLONGMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1835 HOTSPOT_JNI_CALLLONGMETHODA_RETURN(_ret_ref)) |
| 4006 | 1836 // Float and double probes don't return value because dtrace doesn't currently support it |
| 1837 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
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1838 , HOTSPOT_JNI_CALLFLOATMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1839 HOTSPOT_JNI_CALLFLOATMETHODA_RETURN()) |
| 4006 | 1840 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE |
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1841 , HOTSPOT_JNI_CALLDOUBLEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1842 HOTSPOT_JNI_CALLDOUBLEMETHODA_RETURN()) |
| 4006 | 1843 |
| 1844 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1845 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1846 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1847 | |
| 1848 #endif /* USDT2 */ | |
| 1849 | |
| 0 | 1850 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1851 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1852 #ifndef USDT2 |
| 0 | 1853 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1854 #else /* USDT2 */ |
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1855 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY(env, obj, (uintptr_t) methodID); |
| 4006 | 1856 #endif /* USDT2 */ |
| 0 | 1857 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1858 | |
| 1859 va_list args; | |
| 1860 va_start(args, methodID); | |
| 1861 JavaValue jvalue(T_VOID); | |
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1862 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1863 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1864 va_end(args); | |
| 1865 JNI_END | |
| 1866 | |
| 1867 | |
| 1868 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1869 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1870 #ifndef USDT2 |
| 0 | 1871 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1872 #else /* USDT2 */ |
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1873 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY(env, obj, (uintptr_t) methodID); |
| 4006 | 1874 #endif /* USDT2 */ |
| 0 | 1875 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1876 | |
| 1877 JavaValue jvalue(T_VOID); | |
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1878 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1879 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1880 JNI_END | |
| 1881 | |
| 1882 | |
| 1883 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1884 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1885 #ifndef USDT2 |
| 0 | 1886 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1887 #else /* USDT2 */ |
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1888 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY(env, obj, (uintptr_t) methodID); |
| 4006 | 1889 #endif /* USDT2 */ |
| 0 | 1890 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1891 | |
| 1892 JavaValue jvalue(T_VOID); | |
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1893 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1894 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1895 JNI_END | |
| 1896 | |
| 1897 | |
| 4006 | 1898 #ifndef USDT2 |
| 0 | 1899 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1900 \ | |
| 1901 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1902 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1903 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1904 \ | |
| 1905 JNI_ENTRY(ResultType, \ | |
| 1906 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1907 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1908 \ | |
| 1909 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1910 ResultType ret;\ | |
| 1911 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1912 (const ResultType&)ret);\ | |
| 1913 \ | |
| 1914 va_list args; \ | |
| 1915 va_start(args, methodID); \ | |
| 1916 JavaValue jvalue(Tag); \ | |
|
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1917 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1918 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1919 va_end(args); \ | |
| 1920 ret = jvalue.get_##ResultType(); \ | |
| 1921 return ret;\ | |
| 1922 JNI_END \ | |
| 1923 \ | |
| 1924 JNI_ENTRY(ResultType, \ | |
| 1925 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1926 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 1927 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 1928 ResultType ret;\ | |
| 1929 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1930 (const ResultType&)ret);\ | |
| 1931 \ | |
| 1932 JavaValue jvalue(Tag); \ | |
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1933 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1934 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1935 ret = jvalue.get_##ResultType(); \ | |
| 1936 return ret;\ | |
| 1937 JNI_END \ | |
| 1938 \ | |
| 1939 JNI_ENTRY(ResultType, \ | |
| 1940 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 1941 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 1942 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 1943 ResultType ret;\ | |
| 1944 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 1945 (const ResultType&)ret);\ | |
| 1946 \ | |
| 1947 JavaValue jvalue(Tag); \ | |
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1948 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1949 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1950 ret = jvalue.get_##ResultType(); \ | |
| 1951 return ret;\ | |
| 1952 JNI_END | |
| 1953 | |
| 1954 // the runtime type of subword integral basic types is integer | |
| 1955 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1956 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 1957 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 1958 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 1959 | |
| 1960 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 1961 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 1962 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 1963 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 1964 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 1965 | |
| 1966 | |
| 1967 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 1968 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 1969 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 1970 | |
| 4006 | 1971 #else /* USDT2 */ |
| 1972 | |
| 1973 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 1974 , EntryProbe, ReturnProbe) \ | |
| 1975 \ | |
| 1976 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 1977 , ReturnProbe);\ | |
| 1978 \ | |
| 1979 JNI_ENTRY(ResultType, \ | |
| 1980 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1981 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1982 \ | |
| 1983 EntryProbe;\ | |
| 1984 ResultType ret;\ | |
| 1985 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1986 (const ResultType&)ret);\ | |
| 1987 \ | |
| 1988 va_list args; \ | |
| 1989 va_start(args, methodID); \ | |
| 1990 JavaValue jvalue(Tag); \ | |
| 1991 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1992 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1993 va_end(args); \ | |
| 1994 ret = jvalue.get_##ResultType(); \ | |
| 1995 return ret;\ | |
| 1996 JNI_END | |
| 1997 | |
| 1998 // the runtime type of subword integral basic types is integer | |
| 1999 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2000 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2001 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2002 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2003 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2004 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2005 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2006 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2007 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2008 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2009 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2010 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2011 | |
| 2012 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2013 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2014 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2015 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2016 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2017 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2018 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2019 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2020 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2021 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2022 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2023 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2024 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2025 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2026 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2027 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2028 | |
| 2029 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2030 , EntryProbe, ReturnProbe) \ | |
| 2031 \ | |
| 2032 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2033 , ReturnProbe);\ | |
| 2034 \ | |
| 2035 JNI_ENTRY(ResultType, \ | |
| 2036 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2037 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2038 \ | |
| 2039 EntryProbe;\ | |
| 2040 ResultType ret;\ | |
| 2041 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2042 (const ResultType&)ret);\ | |
| 2043 \ | |
| 2044 JavaValue jvalue(Tag); \ | |
| 2045 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2046 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2047 ret = jvalue.get_##ResultType(); \ | |
| 2048 return ret;\ | |
| 2049 JNI_END | |
| 2050 | |
| 2051 // the runtime type of subword integral basic types is integer | |
| 2052 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2053 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2054 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2055 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2056 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2057 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2058 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2059 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2060 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2061 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2062 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2063 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2064 | |
| 2065 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2066 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2067 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2068 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2069 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2070 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2071 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2072 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2073 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2074 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2075 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2076 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2077 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2078 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2079 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2080 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2081 | |
| 2082 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2083 , EntryProbe, ReturnProbe) \ | |
| 2084 \ | |
| 2085 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2086 , ReturnProbe);\ | |
| 2087 \ | |
| 2088 JNI_ENTRY(ResultType, \ | |
| 2089 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2090 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2091 \ | |
| 2092 EntryProbe;\ | |
| 2093 ResultType ret;\ | |
| 2094 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2095 (const ResultType&)ret);\ | |
| 2096 \ | |
| 2097 JavaValue jvalue(Tag); \ | |
| 2098 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2099 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2100 ret = jvalue.get_##ResultType(); \ | |
| 2101 return ret;\ | |
| 2102 JNI_END | |
| 2103 | |
| 2104 // the runtime type of subword integral basic types is integer | |
| 2105 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2106 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2107 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2108 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2109 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2110 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2111 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2112 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2113 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2114 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2115 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2116 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2117 | |
| 2118 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2119 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2120 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2121 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2122 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2123 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2124 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2125 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2126 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2127 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2128 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2129 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2130 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2131 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2132 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2133 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2134 | |
| 2135 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2136 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2137 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2138 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2139 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2140 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2141 #endif /* USDT2 */ | |
| 2142 | |
| 0 | 2143 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2144 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2145 | |
| 4006 | 2146 #ifndef USDT2 |
| 0 | 2147 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2148 env, obj, cls, methodID); | |
| 4006 | 2149 #else /* USDT2 */ |
|
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2150 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY(env, obj, cls, (uintptr_t) methodID); |
| 4006 | 2151 #endif /* USDT2 */ |
| 0 | 2152 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2153 | |
| 2154 va_list args; | |
| 2155 va_start(args, methodID); | |
| 2156 JavaValue jvalue(T_VOID); | |
|
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2157 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2158 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2159 va_end(args); | |
| 2160 JNI_END | |
| 2161 | |
| 2162 | |
| 2163 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2164 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2165 | |
| 4006 | 2166 #ifndef USDT2 |
| 0 | 2167 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2168 env, obj, cls, methodID); | |
| 4006 | 2169 #else /* USDT2 */ |
| 2170 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2171 env, obj, cls, (uintptr_t) methodID); | |
| 2172 #endif /* USDT2 */ | |
| 0 | 2173 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2174 | |
| 2175 JavaValue jvalue(T_VOID); | |
|
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2176 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2177 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2178 JNI_END | |
| 2179 | |
| 2180 | |
| 2181 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2182 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2183 #ifndef USDT2 |
| 0 | 2184 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2185 env, obj, cls, methodID); | |
| 4006 | 2186 #else /* USDT2 */ |
| 2187 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2188 env, obj, cls, (uintptr_t) methodID); | |
| 2189 #endif /* USDT2 */ | |
| 0 | 2190 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2191 JavaValue jvalue(T_VOID); | |
|
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2192 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2193 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2194 JNI_END | |
| 2195 | |
| 2196 | |
| 4006 | 2197 #ifndef USDT2 |
| 0 | 2198 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2199 \ | |
| 2200 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2201 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2202 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2203 \ | |
| 2204 JNI_ENTRY(ResultType, \ | |
| 2205 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2206 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2207 \ | |
| 2208 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2209 ResultType ret = 0;\ | |
| 2210 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2211 (const ResultType&)ret);\ | |
| 2212 \ | |
| 2213 va_list args; \ | |
| 2214 va_start(args, methodID); \ | |
| 2215 JavaValue jvalue(Tag); \ | |
|
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2216 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2217 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2218 va_end(args); \ | |
| 2219 ret = jvalue.get_##ResultType(); \ | |
| 2220 return ret;\ | |
| 2221 JNI_END \ | |
| 2222 \ | |
| 2223 JNI_ENTRY(ResultType, \ | |
| 2224 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2225 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2226 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2227 ResultType ret = 0;\ | |
| 2228 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2229 (const ResultType&)ret);\ | |
| 2230 \ | |
| 2231 JavaValue jvalue(Tag); \ | |
|
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2232 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2233 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2234 ret = jvalue.get_##ResultType(); \ | |
| 2235 return ret;\ | |
| 2236 JNI_END \ | |
| 2237 \ | |
| 2238 JNI_ENTRY(ResultType, \ | |
| 2239 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2240 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2241 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2242 ResultType ret = 0;\ | |
| 2243 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2244 (const ResultType&)ret);\ | |
| 2245 \ | |
| 2246 JavaValue jvalue(Tag); \ | |
|
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|
2247 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2248 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2249 ret = jvalue.get_##ResultType(); \ | |
| 2250 return ret;\ | |
| 2251 JNI_END | |
| 2252 | |
| 2253 // the runtime type of subword integral basic types is integer | |
| 2254 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2255 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2256 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2257 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2258 | |
| 2259 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2260 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2261 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2262 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2263 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2264 | |
| 2265 | |
| 2266 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2267 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2268 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2269 | |
| 4006 | 2270 #else /* USDT2 */ |
| 2271 | |
| 2272 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2273 , EntryProbe, ResultProbe) \ | |
| 2274 \ | |
| 2275 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2276 , ResultProbe); \ | |
| 2277 \ | |
| 2278 JNI_ENTRY(ResultType, \ | |
| 2279 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2280 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2281 \ | |
| 2282 EntryProbe; \ | |
| 2283 ResultType ret = 0;\ | |
| 2284 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2285 (const ResultType&)ret);\ | |
| 2286 \ | |
| 2287 va_list args; \ | |
| 2288 va_start(args, methodID); \ | |
| 2289 JavaValue jvalue(Tag); \ | |
| 2290 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2291 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2292 va_end(args); \ | |
| 2293 ret = jvalue.get_##ResultType(); \ | |
| 2294 return ret;\ | |
| 2295 JNI_END | |
| 2296 | |
| 2297 // the runtime type of subword integral basic types is integer | |
| 2298 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2299 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2300 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2301 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2302 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2303 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2304 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2305 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2306 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2307 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2308 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2309 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2310 | |
| 2311 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2312 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2313 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2314 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2315 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2316 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2317 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2318 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2319 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2320 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2321 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2322 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2323 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2324 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2325 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2326 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2327 | |
| 2328 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2329 , EntryProbe, ResultProbe) \ | |
| 2330 \ | |
| 2331 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2332 , ResultProbe); \ | |
| 2333 \ | |
| 2334 JNI_ENTRY(ResultType, \ | |
| 2335 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2336 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2337 \ | |
| 2338 EntryProbe; \ | |
| 2339 ResultType ret = 0;\ | |
| 2340 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2341 (const ResultType&)ret);\ | |
| 2342 \ | |
| 2343 JavaValue jvalue(Tag); \ | |
| 2344 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2345 /* Make sure class is initialized before trying to invoke its method */ \ | |
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2346 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2347 k()->initialize(CHECK_0); \ |
| 4006 | 2348 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2349 va_end(args); \ | |
| 2350 ret = jvalue.get_##ResultType(); \ | |
| 2351 return ret;\ | |
| 2352 JNI_END | |
| 2353 | |
| 2354 // the runtime type of subword integral basic types is integer | |
| 2355 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2356 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2357 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2358 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2359 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2360 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2361 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2362 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2363 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2364 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2365 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2366 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2367 | |
| 2368 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2369 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2370 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2371 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2372 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2373 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2374 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2375 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2376 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2377 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2378 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2379 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2380 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2381 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2382 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2383 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2384 | |
| 2385 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2386 , EntryProbe, ResultProbe) \ | |
| 2387 \ | |
| 2388 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2389 , ResultProbe); \ | |
| 2390 \ | |
| 2391 JNI_ENTRY(ResultType, \ | |
| 2392 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2393 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2394 \ | |
| 2395 EntryProbe; \ | |
| 2396 ResultType ret = 0;\ | |
| 2397 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2398 (const ResultType&)ret);\ | |
| 2399 \ | |
| 2400 JavaValue jvalue(Tag); \ | |
| 2401 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2402 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2403 ret = jvalue.get_##ResultType(); \ | |
| 2404 return ret;\ | |
| 2405 JNI_END | |
| 2406 | |
| 2407 // the runtime type of subword integral basic types is integer | |
| 2408 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2409 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2410 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2411 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2412 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2413 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2414 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2415 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2416 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2417 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2418 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2419 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2420 | |
| 2421 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2422 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2423 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2424 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2425 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2426 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2427 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2428 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2429 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2430 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2431 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2432 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2433 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2434 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2435 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2436 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2437 | |
| 2438 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2439 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2440 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2441 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2442 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2443 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2444 #endif /* USDT2 */ | |
| 2445 | |
| 0 | 2446 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2447 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2448 #ifndef USDT2 |
| 0 | 2449 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2450 #else /* USDT2 */ |
|
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2451 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY(env, cls, (uintptr_t) methodID); |
| 4006 | 2452 #endif /* USDT2 */ |
| 0 | 2453 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2454 | |
| 2455 va_list args; | |
| 2456 va_start(args, methodID); | |
| 2457 JavaValue jvalue(T_VOID); | |
|
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2458 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2459 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2460 va_end(args); | |
| 2461 JNI_END | |
| 2462 | |
| 2463 | |
| 2464 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2465 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2466 #ifndef USDT2 |
| 0 | 2467 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2468 #else /* USDT2 */ |
|
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2469 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY(env, cls, (uintptr_t) methodID); |
| 4006 | 2470 #endif /* USDT2 */ |
| 0 | 2471 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2472 | |
| 2473 JavaValue jvalue(T_VOID); | |
|
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2474 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2475 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2476 JNI_END | |
| 2477 | |
| 2478 | |
| 2479 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2480 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2481 #ifndef USDT2 |
| 0 | 2482 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2483 #else /* USDT2 */ |
|
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2484 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY(env, cls, (uintptr_t) methodID); |
| 4006 | 2485 #endif /* USDT2 */ |
| 0 | 2486 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2487 | |
| 2488 JavaValue jvalue(T_VOID); | |
|
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2489 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2490 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2491 JNI_END | |
| 2492 | |
| 2493 | |
| 2494 // | |
| 2495 // Accessing Fields | |
| 2496 // | |
| 2497 | |
| 2498 | |
| 4006 | 2499 #ifndef USDT2 |
| 0 | 2500 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2501 #else /* USDT2 */ |
| 2502 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2503 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2504 #endif /* USDT2 */ | |
| 0 | 2505 |
| 2506 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2507 const char *name, const char *sig)) | |
| 2508 JNIWrapper("GetFieldID"); | |
| 4006 | 2509 #ifndef USDT2 |
| 0 | 2510 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2511 #else /* USDT2 */ |
|
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2512 HOTSPOT_JNI_GETFIELDID_ENTRY(env, clazz, (char *) name, (char *) sig); |
| 4006 | 2513 #endif /* USDT2 */ |
| 0 | 2514 jfieldID ret = 0; |
| 2515 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2516 | |
| 2517 // The class should have been loaded (we have an instance of the class | |
| 2518 // passed in) so the field and signature should already be in the symbol | |
| 2519 // table. If they're not there, the field doesn't exist. | |
|
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|
2520 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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2521 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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2522 if (fieldname == NULL || signame == NULL) { |
| 0 | 2523 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2524 } | |
| 2525 KlassHandle k(THREAD, | |
|
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2526 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2527 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2528 k()->initialize(CHECK_NULL); |
| 0 | 2529 |
| 2530 fieldDescriptor fd; | |
| 6983 | 2531 if (!k()->oop_is_instance() || |
|
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2532 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2533 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2534 } | |
| 2535 | |
| 2536 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2537 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2538 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2539 return ret; | |
| 2540 JNI_END | |
| 2541 | |
| 2542 | |
| 2543 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2544 JNIWrapper("GetObjectField"); | |
| 4006 | 2545 #ifndef USDT2 |
| 0 | 2546 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2547 #else /* USDT2 */ |
|
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2548 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY(env, obj, (uintptr_t) fieldID); |
| 4006 | 2549 #endif /* USDT2 */ |
| 0 | 2550 oop o = JNIHandles::resolve_non_null(obj); |
|
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2551 Klass* k = o->klass(); |
| 0 | 2552 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2553 // Keep JVMTI addition small and only check enabled flag here. | |
| 2554 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2555 if (JvmtiExport::should_post_field_access()) { | |
| 2556 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2557 } | |
| 2558 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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2559 #if INCLUDE_ALL_GCS |
|
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|
2560 // If G1 is enabled and we are accessing the value of the referent |
|
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|
2561 // field in a reference object then we need to register a non-null |
|
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|
2562 // referent with the SATB barrier. |
|
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|
2563 if (UseG1GC) { |
|
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|
2564 bool needs_barrier = false; |
|
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|
2565 |
|
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|
2566 if (ret != NULL && |
|
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|
2567 offset == java_lang_ref_Reference::referent_offset && |
|
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2568 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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2569 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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|
2570 needs_barrier = true; |
|
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|
2571 } |
|
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|
2572 |
|
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|
2573 if (needs_barrier) { |
|
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|
2574 oop referent = JNIHandles::resolve(ret); |
|
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|
2575 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2576 } |
|
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|
2577 } |
|
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|
2578 #endif // INCLUDE_ALL_GCS |
| 4006 | 2579 #ifndef USDT2 |
| 0 | 2580 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2581 #else /* USDT2 */ |
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|
2582 HOTSPOT_JNI_GETOBJECTFIELD_RETURN(ret); |
| 4006 | 2583 #endif /* USDT2 */ |
| 0 | 2584 return ret; |
| 2585 JNI_END | |
| 2586 | |
| 2587 | |
| 4006 | 2588 #ifndef USDT2 |
| 0 | 2589 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2590 \ | |
| 2591 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2592 \ | |
| 2593 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2594 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2595 \ | |
| 2596 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2597 Return ret = 0;\ | |
| 2598 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2599 \ | |
| 2600 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2601 Klass* k = o->klass(); \ |
| 0 | 2602 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2603 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2604 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2605 /* and creates a ResetNoHandleMark. */ \ | |
| 2606 if (JvmtiExport::should_post_field_access()) { \ | |
| 2607 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2608 } \ | |
| 2609 ret = o->Fieldname##_field(offset); \ | |
| 2610 return ret; \ | |
| 2611 JNI_END | |
| 2612 | |
| 2613 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2614 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2615 DEFINE_GETFIELD(jchar, char, Char) | |
| 2616 DEFINE_GETFIELD(jshort, short, Short) | |
| 2617 DEFINE_GETFIELD(jint, int, Int) | |
| 2618 DEFINE_GETFIELD(jlong, long, Long) | |
| 2619 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2620 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2621 | |
| 4006 | 2622 #else /* USDT2 */ |
| 2623 | |
| 2624 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2625 , EntryProbe, ReturnProbe) \ | |
| 2626 \ | |
| 2627 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2628 , ReturnProbe); \ | |
| 2629 \ | |
| 2630 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2631 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2632 \ | |
| 2633 EntryProbe; \ | |
| 2634 Return ret = 0;\ | |
| 2635 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2636 \ | |
| 2637 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2638 Klass* k = o->klass(); \ |
| 4006 | 2639 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2640 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2641 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2642 /* and creates a ResetNoHandleMark. */ \ | |
| 2643 if (JvmtiExport::should_post_field_access()) { \ | |
| 2644 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2645 } \ | |
| 2646 ret = o->Fieldname##_field(offset); \ | |
| 2647 return ret; \ | |
| 2648 JNI_END | |
| 2649 | |
| 2650 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2651 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2652 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2653 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2654 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2655 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2656 DEFINE_GETFIELD(jchar, char, Char | |
| 2657 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2658 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2659 DEFINE_GETFIELD(jshort, short, Short | |
| 2660 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2661 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2662 DEFINE_GETFIELD(jint, int, Int | |
| 2663 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2664 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2665 DEFINE_GETFIELD(jlong, long, Long | |
| 2666 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2667 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2668 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2669 DEFINE_GETFIELD(jfloat, float, Float | |
| 2670 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2671 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2672 DEFINE_GETFIELD(jdouble, double, Double | |
| 2673 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2674 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2675 #endif /* USDT2 */ | |
| 2676 | |
| 0 | 2677 address jni_GetBooleanField_addr() { |
| 2678 return (address)jni_GetBooleanField; | |
| 2679 } | |
| 2680 address jni_GetByteField_addr() { | |
| 2681 return (address)jni_GetByteField; | |
| 2682 } | |
| 2683 address jni_GetCharField_addr() { | |
| 2684 return (address)jni_GetCharField; | |
| 2685 } | |
| 2686 address jni_GetShortField_addr() { | |
| 2687 return (address)jni_GetShortField; | |
| 2688 } | |
| 2689 address jni_GetIntField_addr() { | |
| 2690 return (address)jni_GetIntField; | |
| 2691 } | |
| 2692 address jni_GetLongField_addr() { | |
| 2693 return (address)jni_GetLongField; | |
| 2694 } | |
| 2695 address jni_GetFloatField_addr() { | |
| 2696 return (address)jni_GetFloatField; | |
| 2697 } | |
| 2698 address jni_GetDoubleField_addr() { | |
| 2699 return (address)jni_GetDoubleField; | |
| 2700 } | |
| 2701 | |
| 2702 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2703 JNIWrapper("SetObjectField"); | |
| 4006 | 2704 #ifndef USDT2 |
| 0 | 2705 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2706 #else /* USDT2 */ |
|
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2707 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY(env, obj, (uintptr_t) fieldID, value); |
| 4006 | 2708 #endif /* USDT2 */ |
| 0 | 2709 oop o = JNIHandles::resolve_non_null(obj); |
|
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2710 Klass* k = o->klass(); |
| 0 | 2711 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2712 // Keep JVMTI addition small and only check enabled flag here. | |
| 2713 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2714 // and creates a ResetNoHandleMark. | |
| 2715 if (JvmtiExport::should_post_field_modification()) { | |
| 2716 jvalue field_value; | |
| 2717 field_value.l = value; | |
| 2718 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2719 } | |
| 2720 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2721 #ifndef USDT2 |
| 0 | 2722 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2723 #else /* USDT2 */ |
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2724 HOTSPOT_JNI_SETOBJECTFIELD_RETURN(); |
| 4006 | 2725 #endif /* USDT2 */ |
| 0 | 2726 JNI_END |
| 2727 | |
| 4006 | 2728 #ifndef USDT2 |
| 0 | 2729 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2730 \ | |
| 2731 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2732 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2733 \ | |
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2734 FP_SELECT_##Result( \ |
|
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2735 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
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2736 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2737 \ |
| 2738 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2739 Klass* k = o->klass(); \ |
| 0 | 2740 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2741 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2742 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2743 /* and creates a ResetNoHandleMark. */ \ | |
| 2744 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2745 jvalue field_value; \ | |
| 2746 field_value.unionType = value; \ | |
| 2747 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2748 } \ | |
| 2749 o->Fieldname##_field_put(offset, value); \ | |
| 2750 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2751 JNI_END | |
| 2752 | |
| 2753 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2754 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2755 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2756 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2757 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2758 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2759 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2760 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2761 | |
| 4006 | 2762 #else /* USDT2 */ |
| 2763 | |
| 2764 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2765 , EntryProbe, ReturnProbe) \ | |
| 2766 \ | |
| 2767 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2768 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2769 \ | |
| 2770 EntryProbe; \ | |
| 2771 \ | |
| 2772 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2773 Klass* k = o->klass(); \ |
| 4006 | 2774 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2775 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2776 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2777 /* and creates a ResetNoHandleMark. */ \ | |
| 2778 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2779 jvalue field_value; \ | |
| 2780 field_value.unionType = value; \ | |
| 2781 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2782 } \ | |
| 2783 o->Fieldname##_field_put(offset, value); \ | |
| 2784 ReturnProbe; \ | |
| 2785 JNI_END | |
| 2786 | |
| 2787 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2788 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2789 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2790 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2791 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2792 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2793 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2794 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2795 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2796 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2797 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2798 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2799 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2800 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2801 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2802 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2803 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2804 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2805 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2806 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2807 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2808 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2809 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2810 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2811 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2812 #endif /* USDT2 */ | |
| 2813 | |
| 2814 #ifndef USDT2 | |
| 0 | 2815 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2816 #else /* USDT2 */ |
| 2817 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2818 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2819 #endif /* USDT2 */ | |
| 0 | 2820 |
| 2821 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2822 JNIWrapper("ToReflectedField"); | |
| 4006 | 2823 #ifndef USDT2 |
| 0 | 2824 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2825 env, cls, fieldID, isStatic); | |
| 4006 | 2826 #else /* USDT2 */ |
|
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2827 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY(env, cls, (uintptr_t) fieldID, isStatic); |
| 4006 | 2828 #endif /* USDT2 */ |
| 0 | 2829 jobject ret = NULL; |
| 2830 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2831 | |
| 2832 fieldDescriptor fd; | |
| 2833 bool found = false; | |
|
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|
2834 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2835 |
| 2836 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2837 | |
| 2838 if (isStatic) { | |
|
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|
2839 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2840 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2841 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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|
2842 found = id->find_local_field(&fd); |
| 0 | 2843 } else { |
| 2844 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2845 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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|
2846 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2847 } |
| 2848 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2849 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2850 ret = JNIHandles::make_local(env, reflected); | |
| 2851 return ret; | |
| 2852 JNI_END | |
| 2853 | |
| 2854 | |
| 2855 // | |
| 2856 // Accessing Static Fields | |
| 2857 // | |
| 4006 | 2858 #ifndef USDT2 |
| 0 | 2859 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2860 #else /* USDT2 */ |
| 2861 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2862 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2863 #endif /* USDT2 */ | |
| 0 | 2864 |
| 2865 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2866 const char *name, const char *sig)) | |
| 2867 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2868 #ifndef USDT2 |
| 0 | 2869 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2870 #else /* USDT2 */ |
|
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2871 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY(env, clazz, (char *) name, (char *) sig); |
| 4006 | 2872 #endif /* USDT2 */ |
| 0 | 2873 jfieldID ret = NULL; |
| 2874 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2875 | |
| 2876 // The class should have been loaded (we have an instance of the class | |
| 2877 // passed in) so the field and signature should already be in the symbol | |
| 2878 // table. If they're not there, the field doesn't exist. | |
|
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|
2879 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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|
2880 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2881 if (fieldname == NULL || signame == NULL) { |
| 0 | 2882 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2883 } | |
| 2884 KlassHandle k(THREAD, | |
|
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|
2885 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2886 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2887 k()->initialize(CHECK_NULL); |
| 0 | 2888 |
| 2889 fieldDescriptor fd; | |
| 6983 | 2890 if (!k()->oop_is_instance() || |
|
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|
2891 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2892 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2893 } | |
| 2894 | |
|
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|
2895 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
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|
2896 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2897 debug_only(id->set_is_static_field_id();) |
| 2898 | |
|
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|
2899 debug_only(id->verify(fd.field_holder())); |
| 0 | 2900 |
| 2901 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2902 return ret; | |
| 2903 JNI_END | |
| 2904 | |
| 2905 | |
| 2906 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2907 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2908 #ifndef USDT2 |
| 0 | 2909 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2910 #else /* USDT2 */ |
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2911 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID); |
| 4006 | 2912 #endif /* USDT2 */ |
|
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|
2913 #if INCLUDE_JNI_CHECK |
|
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2914 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
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|
2915 #endif // INCLUDE_JNI_CHECK |
| 0 | 2916 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2917 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2918 // Keep JVMTI addition small and only check enabled flag here. | |
| 2919 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2920 if (JvmtiExport::should_post_field_access()) { | |
| 2921 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 2922 } | |
|
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|
2923 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 2924 #ifndef USDT2 |
| 0 | 2925 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 2926 #else /* USDT2 */ |
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|
2927 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN(ret); |
| 4006 | 2928 #endif /* USDT2 */ |
| 0 | 2929 return ret; |
| 2930 JNI_END | |
| 2931 | |
| 4006 | 2932 #ifndef USDT2 |
| 0 | 2933 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 2934 \ | |
| 2935 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 2936 \ | |
| 2937 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 2938 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 2939 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 2940 Return ret = 0;\ | |
| 2941 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 2942 (const Return&)ret);\ | |
| 2943 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 2944 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 2945 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2946 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 2947 if (JvmtiExport::should_post_field_access()) { \ | |
| 2948 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 2949 } \ | |
|
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|
2950 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 2951 return ret;\ |
| 2952 JNI_END | |
| 2953 | |
| 2954 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 2955 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 2956 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 2957 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 2958 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 2959 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 2960 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 2961 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 2962 | |
| 4006 | 2963 #else /* USDT2 */ |
| 2964 | |
| 2965 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 2966 , EntryProbe, ReturnProbe) \ | |
| 2967 \ | |
| 2968 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 2969 , ReturnProbe); \ | |
| 2970 \ | |
| 2971 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 2972 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 2973 EntryProbe; \ | |
| 2974 Return ret = 0;\ | |
| 2975 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 2976 (const Return&)ret);\ | |
| 2977 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 2978 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 2979 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2980 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 2981 if (JvmtiExport::should_post_field_access()) { \ | |
| 2982 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 2983 } \ | |
| 2984 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 2985 return ret;\ | |
| 2986 JNI_END | |
| 2987 | |
| 2988 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 2989 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2990 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 2991 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 2992 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 2993 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 2994 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 2995 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 2996 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 2997 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 2998 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 2999 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3000 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3001 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3002 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3003 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3004 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3005 #endif /* USDT2 */ | |
| 0 | 3006 |
| 3007 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3008 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3009 #ifndef USDT2 |
| 0 | 3010 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3011 #else /* USDT2 */ |
|
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3012 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value); |
| 4006 | 3013 #endif /* USDT2 */ |
| 0 | 3014 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3015 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3016 // Keep JVMTI addition small and only check enabled flag here. | |
| 3017 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3018 if (JvmtiExport::should_post_field_modification()) { | |
| 3019 jvalue field_value; | |
| 3020 field_value.l = value; | |
| 3021 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3022 } | |
|
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3023 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3024 #ifndef USDT2 |
| 0 | 3025 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3026 #else /* USDT2 */ |
|
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3027 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN(); |
| 4006 | 3028 #endif /* USDT2 */ |
| 0 | 3029 JNI_END |
| 3030 | |
| 3031 | |
| 4006 | 3032 #ifndef USDT2 |
| 0 | 3033 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3034 \ | |
| 3035 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3036 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
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3037 FP_SELECT_##Result( \ |
|
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3038 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
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3039 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3040 \ |
| 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_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3045 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3046 jvalue field_value; \ | |
| 3047 field_value.unionType = value; \ | |
| 3048 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3049 } \ | |
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3050 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3051 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3052 JNI_END | |
| 3053 | |
| 3054 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3055 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3056 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3057 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3058 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3059 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3060 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3061 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3062 | |
| 4006 | 3063 #else /* USDT2 */ |
| 3064 | |
| 3065 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3066 , EntryProbe, ReturnProbe) \ | |
| 3067 \ | |
| 3068 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3069 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3070 EntryProbe; \ | |
| 3071 \ | |
| 3072 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3073 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3074 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3075 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3076 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3077 jvalue field_value; \ | |
| 3078 field_value.unionType = value; \ | |
| 3079 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3080 } \ | |
| 3081 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3082 ReturnProbe;\ | |
| 3083 JNI_END | |
| 3084 | |
| 3085 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
|
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3086 , HOTSPOT_JNI_SETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), |
| 4006 | 3087 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) |
| 3088 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3089 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3090 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3091 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3092 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3093 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3094 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3095 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3096 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3097 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3098 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3099 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3100 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3101 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3102 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3103 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3104 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3105 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3106 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3107 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3108 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3109 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3110 #endif /* USDT2 */ | |
| 0 | 3111 |
| 3112 // | |
| 3113 // String Operations | |
| 3114 // | |
| 3115 | |
| 3116 // Unicode Interface | |
| 3117 | |
| 4006 | 3118 #ifndef USDT2 |
| 0 | 3119 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3120 #else /* USDT2 */ |
| 3121 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3122 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3123 #endif /* USDT2 */ | |
| 0 | 3124 |
| 3125 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3126 JNIWrapper("NewString"); | |
| 4006 | 3127 #ifndef USDT2 |
| 0 | 3128 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3129 #else /* USDT2 */ |
|
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3130 HOTSPOT_JNI_NEWSTRING_ENTRY(env, (uint16_t *) unicodeChars, len); |
| 4006 | 3131 #endif /* USDT2 */ |
| 0 | 3132 jstring ret = NULL; |
| 3133 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3134 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3135 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3136 return ret; | |
| 3137 JNI_END | |
| 3138 | |
| 3139 | |
| 3140 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3141 JNIWrapper("GetStringLength"); | |
| 4006 | 3142 #ifndef USDT2 |
| 0 | 3143 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3144 #else /* USDT2 */ |
|
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3145 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY(env, string); |
| 4006 | 3146 #endif /* USDT2 */ |
|
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3147 jsize ret = 0; |
|
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3148 oop s = JNIHandles::resolve_non_null(string); |
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3149 if (java_lang_String::value(s) != NULL) { |
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3150 ret = java_lang_String::length(s); |
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|
3151 } |
| 4006 | 3152 #ifndef USDT2 |
| 0 | 3153 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3154 #else /* USDT2 */ |
|
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3155 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN(ret); |
| 4006 | 3156 #endif /* USDT2 */ |
| 0 | 3157 return ret; |
| 3158 JNI_END | |
| 3159 | |
| 3160 | |
| 3161 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3162 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3163 JNIWrapper("GetStringChars"); | |
| 4006 | 3164 #ifndef USDT2 |
| 0 | 3165 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3166 #else /* USDT2 */ |
|
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3167 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY(env, string, (uintptr_t *) isCopy); |
| 4006 | 3168 #endif /* USDT2 */ |
|
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3169 jchar* buf = NULL; |
| 0 | 3170 oop s = JNIHandles::resolve_non_null(string); |
| 3171 typeArrayOop s_value = java_lang_String::value(s); | |
|
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3172 if (s_value != NULL) { |
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3173 int s_len = java_lang_String::length(s); |
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3174 int s_offset = java_lang_String::offset(s); |
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3175 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
|
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3176 /* JNI Specification states return NULL on OOM */ |
|
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|
3177 if (buf != NULL) { |
|
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3178 if (s_len > 0) { |
|
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|
3179 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
|
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|
3180 } |
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|
3181 buf[s_len] = 0; |
|
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|
3182 //%note jni_5 |
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3183 if (isCopy != NULL) { |
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3184 *isCopy = JNI_TRUE; |
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|
3185 } |
|
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3186 } |
| 0 | 3187 } |
| 4006 | 3188 #ifndef USDT2 |
| 0 | 3189 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3190 #else /* USDT2 */ |
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3191 HOTSPOT_JNI_GETSTRINGCHARS_RETURN(buf); |
| 4006 | 3192 #endif /* USDT2 */ |
| 0 | 3193 return buf; |
| 3194 JNI_END | |
| 3195 | |
| 3196 | |
| 3197 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3198 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3199 #ifndef USDT2 |
| 0 | 3200 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3201 #else /* USDT2 */ |
|
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3202 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY(env, str, (uint16_t *) chars); |
| 4006 | 3203 #endif /* USDT2 */ |
| 0 | 3204 //%note jni_6 |
| 3205 if (chars != NULL) { | |
| 3206 // Since String objects are supposed to be immutable, don't copy any | |
| 3207 // new data back. A bad user will have to go after the char array. | |
| 3208 FreeHeap((void*) chars); | |
| 3209 } | |
| 4006 | 3210 #ifndef USDT2 |
| 0 | 3211 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3212 #else /* USDT2 */ |
|
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3213 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN(); |
| 4006 | 3214 #endif /* USDT2 */ |
| 0 | 3215 JNI_END |
| 3216 | |
| 3217 | |
| 3218 // UTF Interface | |
| 3219 | |
| 4006 | 3220 #ifndef USDT2 |
| 0 | 3221 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3222 #else /* USDT2 */ |
| 3223 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3224 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3225 #endif /* USDT2 */ | |
| 0 | 3226 |
| 3227 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3228 JNIWrapper("NewStringUTF"); | |
| 4006 | 3229 #ifndef USDT2 |
| 0 | 3230 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3231 #else /* USDT2 */ |
|
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3232 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY(env, (char *) bytes); |
| 4006 | 3233 #endif /* USDT2 */ |
| 0 | 3234 jstring ret; |
| 3235 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3236 | |
| 3237 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3238 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3239 return ret; | |
| 3240 JNI_END | |
| 3241 | |
| 3242 | |
| 3243 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3244 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3245 #ifndef USDT2 |
| 0 | 3246 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3247 #else /* USDT2 */ |
|
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3248 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY(env, string); |
| 4006 | 3249 #endif /* USDT2 */ |
|
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3250 jsize ret = 0; |
|
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3251 oop java_string = JNIHandles::resolve_non_null(string); |
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3252 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3253 ret = java_lang_String::utf8_length(java_string); |
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|
3254 } |
| 4006 | 3255 #ifndef USDT2 |
| 0 | 3256 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3257 #else /* USDT2 */ |
|
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|
3258 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN(ret); |
| 4006 | 3259 #endif /* USDT2 */ |
| 0 | 3260 return ret; |
| 3261 JNI_END | |
| 3262 | |
| 3263 | |
| 3264 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3265 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3266 #ifndef USDT2 |
| 0 | 3267 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3268 #else /* USDT2 */ |
|
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|
3269 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY(env, string, (uintptr_t *) isCopy); |
| 4006 | 3270 #endif /* USDT2 */ |
|
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|
3271 char* result = NULL; |
|
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|
3272 oop java_string = JNIHandles::resolve_non_null(string); |
|
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|
3273 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3274 size_t length = java_lang_String::utf8_length(java_string); |
|
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|
3275 /* JNI Specification states return NULL on OOM */ |
|
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|
3276 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
|
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|
3277 if (result != NULL) { |
|
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|
3278 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
|
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|
3279 if (isCopy != NULL) { |
|
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|
3280 *isCopy = JNI_TRUE; |
|
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|
3281 } |
|
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|
3282 } |
|
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|
3283 } |
| 4006 | 3284 #ifndef USDT2 |
| 0 | 3285 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3286 #else /* USDT2 */ |
|
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|
3287 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN(result); |
| 4006 | 3288 #endif /* USDT2 */ |
| 0 | 3289 return result; |
| 3290 JNI_END | |
| 3291 | |
| 3292 | |
| 3293 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3294 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3295 #ifndef USDT2 |
| 0 | 3296 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3297 #else /* USDT2 */ |
|
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|
3298 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY(env, str, (char *) chars); |
| 4006 | 3299 #endif /* USDT2 */ |
| 0 | 3300 if (chars != NULL) { |
| 3301 FreeHeap((char*) chars); | |
| 3302 } | |
| 4006 | 3303 #ifndef USDT2 |
| 0 | 3304 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3305 #else /* USDT2 */ |
|
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|
3306 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN(); |
| 4006 | 3307 #endif /* USDT2 */ |
| 0 | 3308 JNI_END |
| 3309 | |
| 3310 | |
| 3311 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3312 JNIWrapper("GetArrayLength"); | |
| 4006 | 3313 #ifndef USDT2 |
| 0 | 3314 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3315 #else /* USDT2 */ |
|
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|
3316 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY(env, array); |
| 4006 | 3317 #endif /* USDT2 */ |
| 0 | 3318 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3319 assert(a->is_array(), "must be array"); | |
| 3320 jsize ret = a->length(); | |
| 4006 | 3321 #ifndef USDT2 |
| 0 | 3322 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3323 #else /* USDT2 */ |
|
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|
3324 HOTSPOT_JNI_GETARRAYLENGTH_RETURN(ret); |
| 4006 | 3325 #endif /* USDT2 */ |
| 0 | 3326 return ret; |
| 3327 JNI_END | |
| 3328 | |
| 3329 | |
| 3330 // | |
| 3331 // Object Array Operations | |
| 3332 // | |
| 3333 | |
| 4006 | 3334 #ifndef USDT2 |
| 0 | 3335 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3336 #else /* USDT2 */ |
| 3337 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3338 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3339 #endif /* USDT2 */ | |
| 0 | 3340 |
| 3341 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3342 JNIWrapper("NewObjectArray"); | |
| 4006 | 3343 #ifndef USDT2 |
| 0 | 3344 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3345 #else /* USDT2 */ |
|
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|
3346 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY(env, length, elementClass, initialElement); |
| 4006 | 3347 #endif /* USDT2 */ |
| 0 | 3348 jobjectArray ret = NULL; |
| 3349 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
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6964458: Reimplement class meta-data storage to use native memory
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6197
diff
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|
3350 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3351 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3352 KlassHandle ak = KlassHandle(THREAD, ako); |
|
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d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
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diff
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|
3353 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
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|
3354 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3355 oop initial_value = JNIHandles::resolve(initialElement); |
| 3356 if (initial_value != NULL) { // array already initialized with NULL | |
| 3357 for (int index = 0; index < length; index++) { | |
| 3358 result->obj_at_put(index, initial_value); | |
| 3359 } | |
| 3360 } | |
| 3361 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3362 return ret; | |
| 3363 JNI_END | |
| 3364 | |
| 4006 | 3365 #ifndef USDT2 |
| 0 | 3366 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3367 #else /* USDT2 */ |
| 3368 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3369 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3370 #endif /* USDT2 */ | |
| 0 | 3371 |
| 3372 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3373 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3374 #ifndef USDT2 |
| 0 | 3375 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3376 #else /* USDT2 */ |
|
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|
3377 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY(env, array, index); |
| 4006 | 3378 #endif /* USDT2 */ |
| 0 | 3379 jobject ret = NULL; |
| 3380 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3381 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3382 if (a->is_within_bounds(index)) { | |
|
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973
diff
changeset
|
3383 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3384 return ret; |
| 3385 } else { | |
| 3386 char buf[jintAsStringSize]; | |
| 3387 sprintf(buf, "%d", index); | |
| 3388 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3389 } | |
| 3390 JNI_END | |
| 3391 | |
| 4006 | 3392 #ifndef USDT2 |
| 0 | 3393 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3394 #else /* USDT2 */ |
| 3395 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3396 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3397 #endif /* USDT2 */ | |
| 0 | 3398 |
| 3399 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3400 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3401 #ifndef USDT2 |
| 0 | 3402 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3403 #else /* USDT2 */ |
|
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|
3404 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY(env, array, index, value); |
| 4006 | 3405 #endif /* USDT2 */ |
| 0 | 3406 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3407 | |
| 3408 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3409 oop v = JNIHandles::resolve(value); | |
| 3410 if (a->is_within_bounds(index)) { | |
|
6831
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8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
changeset
|
3411 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3412 a->obj_at_put(index, v); |
| 3413 } else { | |
| 3414 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3415 } | |
| 3416 } else { | |
| 3417 char buf[jintAsStringSize]; | |
| 3418 sprintf(buf, "%d", index); | |
| 3419 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3420 } | |
| 3421 JNI_END | |
| 3422 | |
| 3423 | |
| 4006 | 3424 #ifndef USDT2 |
| 0 | 3425 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3426 \ | |
| 4006 | 3427 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3428 \ |
| 3429 JNI_ENTRY(Return, \ | |
| 3430 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3431 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3432 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3433 Return ret = NULL;\ | |
|
1034
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6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
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973
diff
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|
3434 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3435 \ |
| 3436 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3437 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3438 return ret;\ | |
| 3439 JNI_END | |
| 3440 | |
| 3441 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3442 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3443 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3444 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3445 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3446 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3447 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3448 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3449 | |
| 4006 | 3450 #else /* USDT2 */ |
| 3451 | |
| 3452 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3453 ,EntryProbe,ReturnProbe) \ | |
| 3454 \ | |
| 3455 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3456 , ReturnProbe); \ | |
| 3457 \ | |
| 3458 JNI_ENTRY(Return, \ | |
| 3459 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3460 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3461 EntryProbe; \ | |
| 3462 Return ret = NULL;\ | |
| 3463 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3464 \ | |
| 3465 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3466 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3467 return ret;\ | |
| 3468 JNI_END | |
| 3469 | |
| 3470 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3471 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3472 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3473 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3474 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3475 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3476 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3477 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3478 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3479 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3480 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3481 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3482 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3483 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3484 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3485 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3486 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3487 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3488 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3489 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3490 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3491 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3492 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3493 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3494 #endif /* USDT2 */ | |
| 0 | 3495 |
| 3496 // Return an address which will fault if the caller writes to it. | |
| 3497 | |
| 3498 static char* get_bad_address() { | |
| 3499 static char* bad_address = NULL; | |
| 3500 if (bad_address == NULL) { | |
| 3501 size_t size = os::vm_allocation_granularity(); | |
| 3502 bad_address = os::reserve_memory(size); | |
| 3503 if (bad_address != NULL) { | |
|
477
24fda36852ce
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|
3504 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
24fda36852ce
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|
3505 /*is_committed*/false); |
| 0 | 3506 } |
| 3507 } | |
| 3508 return bad_address; | |
| 3509 } | |
| 3510 | |
| 3511 | |
| 4006 | 3512 #ifndef USDT2 |
| 0 | 3513 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3514 \ | |
| 3515 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3516 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3517 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3518 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3519 /* allocate an chunk of memory in c land */ \ | |
| 3520 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3521 ElementType* result; \ | |
| 3522 int len = a->length(); \ | |
| 3523 if (len == 0) { \ | |
| 3524 /* Empty array: legal but useless, can't return NULL. \ | |
| 3525 * Return a pointer to something useless. \ | |
| 3526 * Avoid asserts in typeArrayOop. */ \ | |
| 3527 result = (ElementType*)get_bad_address(); \ | |
| 3528 } else { \ | |
|
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|
3529 /* JNI Specification states return NULL on OOM */ \ |
|
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changeset
|
3530 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
faf2631b9334
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changeset
|
3531 if (result != NULL) { \ |
|
faf2631b9334
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11092
diff
changeset
|
3532 /* copy the array to the c chunk */ \ |
|
faf2631b9334
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11092
diff
changeset
|
3533 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
faf2631b9334
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dsimms
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|
3534 if (isCopy) { \ |
|
faf2631b9334
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changeset
|
3535 *isCopy = JNI_TRUE; \ |
|
faf2631b9334
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changeset
|
3536 } \ |
|
faf2631b9334
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11092
diff
changeset
|
3537 } \ |
| 0 | 3538 } \ |
| 3539 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3540 return result; \ | |
| 3541 JNI_END | |
| 3542 | |
| 3543 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3544 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3545 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3546 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3547 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3548 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3549 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3550 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3551 | |
| 4006 | 3552 #else /* USDT2 */ |
| 3553 | |
| 3554 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3555 , EntryProbe, ReturnProbe) \ | |
| 3556 \ | |
| 3557 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3558 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3559 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3560 EntryProbe; \ | |
| 3561 /* allocate an chunk of memory in c land */ \ | |
| 3562 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3563 ElementType* result; \ | |
| 3564 int len = a->length(); \ | |
| 3565 if (len == 0) { \ | |
| 3566 /* Empty array: legal but useless, can't return NULL. \ | |
| 3567 * Return a pointer to something useless. \ | |
| 3568 * Avoid asserts in typeArrayOop. */ \ | |
| 3569 result = (ElementType*)get_bad_address(); \ | |
| 3570 } else { \ | |
|
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3571 /* JNI Specification states return NULL on OOM */ \ |
|
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|
3572 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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3573 if (result != NULL) { \ |
|
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|
3574 /* copy the array to the c chunk */ \ |
|
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|
3575 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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3576 if (isCopy) { \ |
|
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|
3577 *isCopy = JNI_TRUE; \ |
|
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3578 } \ |
|
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|
3579 } \ |
| 4006 | 3580 } \ |
| 3581 ReturnProbe; \ | |
| 3582 return result; \ | |
| 3583 JNI_END | |
| 3584 | |
| 3585 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3586 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3587 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3588 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3589 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3590 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3591 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3592 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3593 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3594 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3595 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3596 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3597 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3598 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3599 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3600 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3601 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3602 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3603 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3604 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3605 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3606 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3607 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3608 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3609 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3610 #endif /* USDT2 */ | |
| 3611 | |
| 3612 #ifndef USDT2 | |
| 0 | 3613 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3614 \ | |
| 3615 JNI_QUICK_ENTRY(void, \ | |
| 3616 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3617 ElementType *buf, jint mode)) \ | |
| 3618 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3619 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3620 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3621 int len = a->length(); \ | |
| 3622 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3623 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3624 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3625 } \ | |
| 3626 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3627 FreeHeap(buf); \ | |
| 3628 } \ | |
| 3629 } \ | |
| 3630 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3631 JNI_END | |
| 3632 | |
| 3633 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3634 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3635 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3636 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3637 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3638 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3639 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3640 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3641 | |
| 4006 | 3642 #else /* USDT2 */ |
| 3643 | |
| 3644 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3645 , EntryProbe, ReturnProbe);\ | |
| 3646 \ | |
| 3647 JNI_QUICK_ENTRY(void, \ | |
| 3648 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3649 ElementType *buf, jint mode)) \ | |
| 3650 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3651 EntryProbe; \ | |
| 3652 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3653 int len = a->length(); \ | |
| 3654 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3655 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3656 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3657 } \ | |
| 3658 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3659 FreeHeap(buf); \ | |
| 3660 } \ | |
| 3661 } \ | |
| 3662 ReturnProbe; \ | |
| 3663 JNI_END | |
| 3664 | |
| 3665 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3666 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3667 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3668 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3669 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3670 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3671 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3672 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3673 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3674 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3675 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3676 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3677 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3678 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3679 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3680 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3681 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3682 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3683 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3684 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3685 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3686 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3687 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3688 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3689 #endif /* USDT2 */ | |
| 3690 | |
| 3691 #ifndef USDT2 | |
| 0 | 3692 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3693 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3694 \ | |
| 3695 JNI_ENTRY(void, \ | |
| 3696 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3697 jsize len, ElementType *buf)) \ | |
| 3698 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3699 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3700 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3701 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3702 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3703 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3704 } else { \ | |
| 3705 if (len > 0) { \ | |
|
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|
3706 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3707 memcpy((u_char*) buf, \ |
| 3708 (u_char*) src->Tag##_at_addr(start), \ | |
| 3709 len << sc); \ | |
| 3710 } \ | |
| 3711 } \ | |
| 3712 JNI_END | |
| 3713 | |
| 3714 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3715 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3716 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3717 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3718 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3719 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3720 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3721 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3722 | |
| 4006 | 3723 #else /* USDT2 */ |
| 3724 | |
| 3725 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3726 , EntryProbe, ReturnProbe); \ | |
| 3727 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3728 , ReturnProbe); \ | |
| 3729 \ | |
| 3730 JNI_ENTRY(void, \ | |
| 3731 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3732 jsize len, ElementType *buf)) \ | |
| 3733 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3734 EntryProbe; \ | |
| 3735 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3736 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3737 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3738 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3739 } else { \ | |
| 3740 if (len > 0) { \ | |
|
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|
3741 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3742 memcpy((u_char*) buf, \ |
| 3743 (u_char*) src->Tag##_at_addr(start), \ | |
| 3744 len << sc); \ | |
| 3745 } \ | |
| 3746 } \ | |
| 3747 JNI_END | |
| 3748 | |
| 3749 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3750 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3751 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3752 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3753 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3754 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3755 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3756 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3757 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3758 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3759 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3760 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3761 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3762 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3763 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3764 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3765 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3766 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3767 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3768 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3769 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3770 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3771 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3772 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3773 #endif /* USDT2 */ | |
| 3774 | |
| 3775 #ifndef USDT2 | |
| 0 | 3776 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3777 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3778 \ | |
| 3779 JNI_ENTRY(void, \ | |
| 3780 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3781 jsize len, const ElementType *buf)) \ | |
| 3782 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3783 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3784 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3785 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3786 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3787 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3788 } else { \ | |
| 3789 if (len > 0) { \ | |
|
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|
3790 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3791 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3792 (u_char*) buf, \ | |
| 3793 len << sc); \ | |
| 3794 } \ | |
| 3795 } \ | |
| 3796 JNI_END | |
| 3797 | |
| 3798 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3799 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3800 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3801 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3802 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3803 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3804 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3805 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3806 | |
| 4006 | 3807 #else /* USDT2 */ |
| 3808 | |
| 3809 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3810 , EntryProbe, ReturnProbe); \ | |
| 3811 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3812 ,ReturnProbe); \ | |
| 3813 \ | |
| 3814 JNI_ENTRY(void, \ | |
| 3815 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3816 jsize len, const ElementType *buf)) \ | |
| 3817 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3818 EntryProbe; \ | |
| 3819 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3820 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3821 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3822 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3823 } else { \ | |
| 3824 if (len > 0) { \ | |
|
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|
3825 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3826 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3827 (u_char*) buf, \ | |
| 3828 len << sc); \ | |
| 3829 } \ | |
| 3830 } \ | |
| 3831 JNI_END | |
| 3832 | |
| 3833 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3834 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3835 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3836 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3837 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3838 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3839 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3840 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3841 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3842 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3843 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3844 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3845 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3846 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3847 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3848 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3849 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3850 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3851 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3852 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3853 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3854 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3855 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3856 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3857 #endif /* USDT2 */ | |
| 3858 | |
| 0 | 3859 |
| 3860 // | |
| 3861 // Interception of natives | |
| 3862 // | |
| 3863 | |
| 3864 // The RegisterNatives call being attempted tried to register with a method that | |
| 3865 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3866 // to see if the native method is now wrapped with the prefixes. See the | |
| 3867 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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diff
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|
3868 static Method* find_prefixed_native(KlassHandle k, |
|
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1989
diff
changeset
|
3869 Symbol* name, Symbol* signature, TRAPS) { |
|
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diff
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|
3870 #if INCLUDE_JVMTI |
| 0 | 3871 ResourceMark rm(THREAD); |
|
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|
3872 Method* method; |
| 0 | 3873 int name_len = name->utf8_length(); |
| 3874 char* name_str = name->as_utf8(); | |
| 3875 int prefix_count; | |
| 3876 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3877 for (int i = 0; i < prefix_count; i++) { | |
| 3878 char* prefix = prefixes[i]; | |
| 3879 int prefix_len = (int)strlen(prefix); | |
| 3880 | |
| 3881 // try adding this prefix to the method name and see if it matches another method name | |
| 3882 int trial_len = name_len + prefix_len; | |
| 3883 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3884 strcpy(trial_name_str, prefix); | |
| 3885 strcat(trial_name_str, name_str); | |
|
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3886 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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3887 if (trial_name == NULL) { |
| 0 | 3888 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3889 } | |
| 6983 | 3890 method = k()->lookup_method(trial_name, signature); |
| 0 | 3891 if (method == NULL) { |
| 3892 continue; // signature doesn't match, try the next prefix | |
| 3893 } | |
| 3894 if (method->is_native()) { | |
| 3895 method->set_is_prefixed_native(); | |
| 3896 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3897 } | |
| 3898 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3899 name_len = trial_len; | |
| 3900 name_str = trial_name_str; | |
| 3901 } | |
|
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3902 #endif // INCLUDE_JVMTI |
| 0 | 3903 return NULL; // not found |
| 3904 } | |
| 3905 | |
|
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3906 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 3907 Method* method = k()->lookup_method(name, signature); |
| 0 | 3908 if (method == NULL) { |
| 3909 ResourceMark rm; | |
| 3910 stringStream st; | |
| 3911 st.print("Method %s name or signature does not match", | |
| 6983 | 3912 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3913 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3914 } | |
| 3915 if (!method->is_native()) { | |
| 3916 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 3917 method = find_prefixed_native(k, name, signature, THREAD); | |
| 3918 if (method == NULL) { | |
| 3919 ResourceMark rm; | |
| 3920 stringStream st; | |
| 3921 st.print("Method %s is not declared as native", | |
| 6983 | 3922 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3923 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3924 } | |
| 3925 } | |
| 3926 | |
| 3927 if (entry != NULL) { | |
| 3928 method->set_native_function(entry, | |
|
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3929 Method::native_bind_event_is_interesting); |
| 0 | 3930 } else { |
| 3931 method->clear_native_function(); | |
| 3932 } | |
| 3933 if (PrintJNIResolving) { | |
| 3934 ResourceMark rm(THREAD); | |
| 3935 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
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|
3936 method->method_holder()->external_name(), |
| 0 | 3937 method->name()->as_C_string()); |
| 3938 } | |
| 3939 return true; | |
| 3940 } | |
| 3941 | |
| 4006 | 3942 #ifndef USDT2 |
| 0 | 3943 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 3944 #else /* USDT2 */ |
| 3945 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 3946 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 3947 #endif /* USDT2 */ | |
| 0 | 3948 |
| 3949 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 3950 const JNINativeMethod *methods, | |
| 3951 jint nMethods)) | |
| 3952 JNIWrapper("RegisterNatives"); | |
| 4006 | 3953 #ifndef USDT2 |
| 0 | 3954 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 3955 #else /* USDT2 */ |
|
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3956 HOTSPOT_JNI_REGISTERNATIVES_ENTRY(env, clazz, (void *) methods, nMethods); |
| 4006 | 3957 #endif /* USDT2 */ |
| 0 | 3958 jint ret = 0; |
| 3959 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 3960 | |
|
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3961 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 3962 |
| 3963 for (int index = 0; index < nMethods; index++) { | |
| 3964 const char* meth_name = methods[index].name; | |
| 3965 const char* meth_sig = methods[index].signature; | |
| 3966 int meth_name_len = (int)strlen(meth_name); | |
| 3967 | |
| 3968 // The class should have been loaded (we have an instance of the class | |
| 3969 // passed in) so the method and signature should already be in the symbol | |
| 3970 // table. If they're not there, the method doesn't exist. | |
|
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|
3971 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
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|
3972 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
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3973 |
|
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|
3974 if (name == NULL || signature == NULL) { |
| 0 | 3975 ResourceMark rm; |
| 3976 stringStream st; | |
| 6983 | 3977 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 3978 // Must return negative value on failure |
| 3979 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 3980 } | |
| 3981 | |
| 3982 bool res = register_native(h_k, name, signature, | |
| 3983 (address) methods[index].fnPtr, THREAD); | |
| 3984 if (!res) { | |
| 3985 ret = -1; | |
| 3986 break; | |
| 3987 } | |
| 3988 } | |
| 3989 return ret; | |
| 3990 JNI_END | |
| 3991 | |
| 3992 | |
| 3993 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 3994 JNIWrapper("UnregisterNatives"); | |
| 4006 | 3995 #ifndef USDT2 |
| 0 | 3996 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 3997 #else /* USDT2 */ |
|
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3998 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY(env, clazz); |
| 4006 | 3999 #endif /* USDT2 */ |
|
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4000 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4001 //%note jni_2 |
| 6983 | 4002 if (k->oop_is_instance()) { |
|
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4003 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
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4004 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4005 if (m->is_native()) { |
| 4006 m->clear_native_function(); | |
| 4007 m->set_signature_handler(NULL); | |
| 4008 } | |
| 4009 } | |
| 4010 } | |
| 4006 | 4011 #ifndef USDT2 |
| 0 | 4012 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4013 #else /* USDT2 */ |
|
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|
4014 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN(0); |
| 4006 | 4015 #endif /* USDT2 */ |
| 0 | 4016 return 0; |
| 4017 JNI_END | |
| 4018 | |
| 4019 // | |
| 4020 // Monitor functions | |
| 4021 // | |
| 4022 | |
| 4006 | 4023 #ifndef USDT2 |
| 0 | 4024 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4025 #else /* USDT2 */ |
| 4026 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4027 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4028 #endif /* USDT2 */ | |
| 0 | 4029 |
| 4030 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4031 #ifndef USDT2 |
| 0 | 4032 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4033 #else /* USDT2 */ |
|
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4034 HOTSPOT_JNI_MONITORENTER_ENTRY(env, jobj); |
| 4006 | 4035 #endif /* USDT2 */ |
| 0 | 4036 jint ret = JNI_ERR; |
| 4037 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4038 | |
| 4039 // If the object is null, we can't do anything with it | |
| 4040 if (jobj == NULL) { | |
| 4041 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4042 } | |
| 4043 | |
| 4044 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4045 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4046 ret = JNI_OK; | |
| 4047 return ret; | |
| 4048 JNI_END | |
| 4049 | |
| 4006 | 4050 #ifndef USDT2 |
| 0 | 4051 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4052 #else /* USDT2 */ |
| 4053 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4054 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4055 #endif /* USDT2 */ | |
| 0 | 4056 |
| 4057 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4058 #ifndef USDT2 |
| 0 | 4059 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4060 #else /* USDT2 */ |
|
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4061 HOTSPOT_JNI_MONITOREXIT_ENTRY(env, jobj); |
| 4006 | 4062 #endif /* USDT2 */ |
| 0 | 4063 jint ret = JNI_ERR; |
| 4064 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4065 | |
| 4066 // Don't do anything with a null object | |
| 4067 if (jobj == NULL) { | |
| 4068 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4069 } | |
| 4070 | |
| 4071 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4072 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4073 | |
| 4074 ret = JNI_OK; | |
| 4075 return ret; | |
| 4076 JNI_END | |
| 4077 | |
| 4078 // | |
| 4079 // Extensions | |
| 4080 // | |
| 4081 | |
| 4006 | 4082 #ifndef USDT2 |
| 0 | 4083 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4084 #else /* USDT2 */ |
| 4085 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4086 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4087 #endif /* USDT2 */ | |
| 0 | 4088 |
| 4089 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4090 JNIWrapper("GetStringRegion"); | |
| 4006 | 4091 #ifndef USDT2 |
| 0 | 4092 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4093 #else /* USDT2 */ |
|
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|
4094 HOTSPOT_JNI_GETSTRINGREGION_ENTRY(env, string, start, len, buf); |
| 4006 | 4095 #endif /* USDT2 */ |
| 0 | 4096 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4097 oop s = JNIHandles::resolve_non_null(string); | |
| 4098 int s_len = java_lang_String::length(s); | |
| 4099 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4100 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4101 } else { | |
| 4102 if (len > 0) { | |
| 4103 int s_offset = java_lang_String::offset(s); | |
| 4104 typeArrayOop s_value = java_lang_String::value(s); | |
| 4105 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4106 } | |
| 4107 } | |
| 4108 JNI_END | |
| 4109 | |
| 4006 | 4110 #ifndef USDT2 |
| 0 | 4111 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4112 #else /* USDT2 */ |
| 4113 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4114 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4115 #endif /* USDT2 */ | |
| 0 | 4116 |
| 4117 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4118 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4119 #ifndef USDT2 |
| 0 | 4120 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4121 #else /* USDT2 */ |
|
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4122 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY(env, string, start, len, buf); |
| 4006 | 4123 #endif /* USDT2 */ |
| 0 | 4124 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4125 oop s = JNIHandles::resolve_non_null(string); | |
| 4126 int s_len = java_lang_String::length(s); | |
| 4127 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4128 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4129 } else { | |
| 4130 //%note jni_7 | |
| 4131 if (len > 0) { | |
| 4132 ResourceMark rm(THREAD); | |
| 4133 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4134 int utf_len = (int)strlen(utf_region); | |
| 4135 memcpy(buf, utf_region, utf_len); | |
| 4136 buf[utf_len] = 0; | |
| 4137 } else { | |
| 4138 // JDK null-terminates the buffer even in len is zero | |
| 4139 if (buf != NULL) { | |
| 4140 buf[0] = 0; | |
| 4141 } | |
| 4142 } | |
| 4143 } | |
| 4144 JNI_END | |
| 4145 | |
| 4146 | |
| 4147 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4148 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4149 #ifndef USDT2 |
| 0 | 4150 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4151 #else /* USDT2 */ |
|
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4152 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY(env, array, (uintptr_t *) isCopy); |
| 4006 | 4153 #endif /* USDT2 */ |
| 0 | 4154 GC_locker::lock_critical(thread); |
| 4155 if (isCopy != NULL) { | |
| 4156 *isCopy = JNI_FALSE; | |
| 4157 } | |
| 4158 oop a = JNIHandles::resolve_non_null(array); | |
| 4159 assert(a->is_array(), "just checking"); | |
| 4160 BasicType type; | |
| 4161 if (a->is_objArray()) { | |
| 4162 type = T_OBJECT; | |
| 4163 } else { | |
|
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4164 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4165 } |
| 4166 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4167 #ifndef USDT2 |
| 0 | 4168 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4169 #else /* USDT2 */ |
|
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4170 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN(ret); |
| 4006 | 4171 #endif /* USDT2 */ |
| 0 | 4172 return ret; |
| 4173 JNI_END | |
| 4174 | |
| 4175 | |
| 4176 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4177 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4178 #ifndef USDT2 |
| 0 | 4179 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4180 #else /* USDT2 */ |
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4181 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY(env, array, carray, mode); |
| 4006 | 4182 #endif /* USDT2 */ |
| 0 | 4183 // The array, carray and mode arguments are ignored |
| 4184 GC_locker::unlock_critical(thread); | |
| 4006 | 4185 #ifndef USDT2 |
| 0 | 4186 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4187 #else /* USDT2 */ |
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4188 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN(); |
| 4006 | 4189 #endif /* USDT2 */ |
| 0 | 4190 JNI_END |
| 4191 | |
| 4192 | |
| 4193 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4194 JNIWrapper("GetStringCritical"); | |
| 4006 | 4195 #ifndef USDT2 |
| 0 | 4196 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4197 #else /* USDT2 */ |
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4198 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY(env, string, (uintptr_t *) isCopy); |
| 4006 | 4199 #endif /* USDT2 */ |
| 0 | 4200 GC_locker::lock_critical(thread); |
| 4201 if (isCopy != NULL) { | |
| 4202 *isCopy = JNI_FALSE; | |
| 4203 } | |
| 4204 oop s = JNIHandles::resolve_non_null(string); | |
| 4205 int s_len = java_lang_String::length(s); | |
| 4206 typeArrayOop s_value = java_lang_String::value(s); | |
| 4207 int s_offset = java_lang_String::offset(s); | |
| 4208 const jchar* ret; | |
| 4209 if (s_len > 0) { | |
| 4210 ret = s_value->char_at_addr(s_offset); | |
| 4211 } else { | |
| 4212 ret = (jchar*) s_value->base(T_CHAR); | |
| 4213 } | |
| 4006 | 4214 #ifndef USDT2 |
| 0 | 4215 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4216 #else /* USDT2 */ |
|
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4217 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN((uint16_t *) ret); |
| 4006 | 4218 #endif /* USDT2 */ |
| 0 | 4219 return ret; |
| 4220 JNI_END | |
| 4221 | |
| 4222 | |
| 4223 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4224 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4225 #ifndef USDT2 |
| 0 | 4226 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4227 #else /* USDT2 */ |
|
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4228 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY(env, str, (uint16_t *) chars); |
| 4006 | 4229 #endif /* USDT2 */ |
| 0 | 4230 // The str and chars arguments are ignored |
| 4231 GC_locker::unlock_critical(thread); | |
| 4006 | 4232 #ifndef USDT2 |
| 0 | 4233 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4234 #else /* USDT2 */ |
|
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4235 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN(); |
| 4006 | 4236 #endif /* USDT2 */ |
| 0 | 4237 JNI_END |
| 4238 | |
| 4239 | |
| 4240 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4241 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4242 #ifndef USDT2 |
| 0 | 4243 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4244 #else /* USDT2 */ |
|
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4245 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY(env, ref); |
| 4006 | 4246 #endif /* USDT2 */ |
| 0 | 4247 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4248 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4249 #ifndef USDT2 |
| 0 | 4250 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4251 #else /* USDT2 */ |
|
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4252 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN(ret); |
| 4006 | 4253 #endif /* USDT2 */ |
| 0 | 4254 return ret; |
| 4255 JNI_END | |
| 4256 | |
| 4257 // Must be JNI_ENTRY (with HandleMark) | |
| 4258 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4259 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4260 #ifndef USDT2 |
| 0 | 4261 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4262 #else /* USDT2 */ |
|
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4263 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY(env, ref); |
| 4006 | 4264 #endif /* USDT2 */ |
| 0 | 4265 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4266 #ifndef USDT2 |
| 0 | 4267 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4268 #else /* USDT2 */ |
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4269 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN(); |
| 4006 | 4270 #endif /* USDT2 */ |
| 0 | 4271 JNI_END |
| 4272 | |
| 4273 | |
| 4274 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4275 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4276 #ifndef USDT2 |
| 0 | 4277 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4278 #else /* USDT2 */ |
|
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4279 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY(env); |
| 4006 | 4280 #endif /* USDT2 */ |
| 0 | 4281 jni_check_async_exceptions(thread); |
| 4282 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4283 #ifndef USDT2 |
| 0 | 4284 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4285 #else /* USDT2 */ |
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4286 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN(ret); |
| 4006 | 4287 #endif /* USDT2 */ |
| 0 | 4288 return ret; |
| 4289 JNI_END | |
| 4290 | |
| 4291 | |
| 4292 // Initialization state for three routines below relating to | |
| 4293 // java.nio.DirectBuffers | |
| 4294 static jint directBufferSupportInitializeStarted = 0; | |
| 4295 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4296 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4297 static jclass bufferClass = NULL; | |
| 4298 static jclass directBufferClass = NULL; | |
| 4299 static jclass directByteBufferClass = NULL; | |
| 4300 static jmethodID directByteBufferConstructor = NULL; | |
| 4301 static jfieldID directBufferAddressField = NULL; | |
| 4302 static jfieldID bufferCapacityField = NULL; | |
| 4303 | |
| 4304 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4305 Handle loader; // null (bootstrap) loader | |
| 4306 Handle protection_domain; // null protection domain | |
| 4307 | |
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4308 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
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4309 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
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4310 |
|
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4311 if (TraceClassResolution && result != NULL) { |
|
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4312 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
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4313 } |
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4314 return result; |
| 0 | 4315 } |
| 4316 | |
| 4317 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4318 // circumvent any security checks that would be done by jni_FindClass. | |
| 4319 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4320 { | |
| 4321 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4322 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4323 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4324 return true; | |
| 4325 } | |
| 4326 JNI_END | |
| 4327 | |
| 4328 | |
| 4329 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4330 if (directBufferSupportInitializeFailed) { | |
| 4331 return false; | |
| 4332 } | |
| 4333 | |
| 4334 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4335 if (!lookupDirectBufferClasses(env)) { | |
| 4336 directBufferSupportInitializeFailed = 1; | |
| 4337 return false; | |
| 4338 } | |
| 4339 | |
| 4340 // Make global references for these | |
| 4341 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4342 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4343 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4344 | |
| 4345 // Get needed field and method IDs | |
| 4346 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4347 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4348 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4349 | |
| 4350 if ((directByteBufferConstructor == NULL) || | |
| 4351 (directBufferAddressField == NULL) || | |
| 4352 (bufferCapacityField == NULL)) { | |
| 4353 directBufferSupportInitializeFailed = 1; | |
| 4354 return false; | |
| 4355 } | |
| 4356 | |
| 4357 directBufferSupportInitializeEnded = 1; | |
| 4358 } else { | |
| 4359 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
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4360 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
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4361 // os::sleep which requires the VM state transition. On other platforms, it |
|
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4362 // is not necessary. The following call to change the VM state is purposely |
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4363 // put inside the loop to avoid potential deadlock when multiple threads |
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4364 // try to call this method. See 6791815 for more details. |
|
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|
4365 ThreadInVMfromNative tivn(thread); |
| 0 | 4366 os::yield_all(); |
| 4367 } | |
| 4368 } | |
| 4369 | |
| 4370 return !directBufferSupportInitializeFailed; | |
| 4371 } | |
| 4372 | |
| 4373 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4374 { | |
| 4375 // thread_from_jni_environment() will block if VM is gone. | |
| 4376 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4377 | |
| 4378 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4379 #ifndef USDT2 |
| 0 | 4380 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4381 #else /* USDT2 */ |
|
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4382 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY(env, address, capacity); |
| 4006 | 4383 #endif /* USDT2 */ |
| 0 | 4384 |
| 4385 if (!directBufferSupportInitializeEnded) { | |
| 4386 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4387 #ifndef USDT2 |
| 0 | 4388 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4389 #else /* USDT2 */ |
|
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4390 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(NULL); |
| 4006 | 4391 #endif /* USDT2 */ |
| 0 | 4392 return NULL; |
| 4393 } | |
| 4394 } | |
| 4395 | |
| 4396 // Being paranoid about accidental sign extension on address | |
| 4397 jlong addr = (jlong) ((uintptr_t) address); | |
| 4398 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4399 // takes int capacity | |
| 4400 jint cap = (jint) capacity; | |
| 4401 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4402 #ifndef USDT2 |
| 0 | 4403 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4404 #else /* USDT2 */ |
|
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4405 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(ret); |
| 4006 | 4406 #endif /* USDT2 */ |
| 0 | 4407 return ret; |
| 4408 } | |
| 4409 | |
| 4006 | 4410 #ifndef USDT2 |
| 0 | 4411 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4412 #else /* USDT2 */ |
| 4413 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4414 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4415 #endif /* USDT2 */ | |
| 0 | 4416 |
| 4417 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4418 { | |
| 4419 // thread_from_jni_environment() will block if VM is gone. | |
| 4420 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4421 | |
| 4422 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4423 #ifndef USDT2 |
| 0 | 4424 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4425 #else /* USDT2 */ |
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4426 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY(env, buf); |
| 4006 | 4427 #endif /* USDT2 */ |
| 0 | 4428 void* ret = NULL; |
| 4429 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4430 | |
| 4431 if (!directBufferSupportInitializeEnded) { | |
| 4432 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4433 return 0; | |
| 4434 } | |
| 4435 } | |
| 4436 | |
| 4437 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4438 return 0; | |
| 4439 } | |
| 4440 | |
| 4441 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4442 return ret; | |
| 4443 } | |
| 4444 | |
| 4006 | 4445 #ifndef USDT2 |
| 0 | 4446 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4447 #else /* USDT2 */ |
| 4448 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4449 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4450 #endif /* USDT2 */ | |
| 0 | 4451 |
| 4452 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4453 { | |
| 4454 // thread_from_jni_environment() will block if VM is gone. | |
| 4455 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4456 | |
| 4457 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4458 #ifndef USDT2 |
| 0 | 4459 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4460 #else /* USDT2 */ |
|
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4461 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY(env, buf); |
| 4006 | 4462 #endif /* USDT2 */ |
| 0 | 4463 jlong ret = -1; |
| 4464 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4465 | |
| 4466 if (!directBufferSupportInitializeEnded) { | |
| 4467 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4468 ret = 0; | |
| 4469 return ret; | |
| 4470 } | |
| 4471 } | |
| 4472 | |
| 4473 if (buf == NULL) { | |
| 4474 return -1; | |
| 4475 } | |
| 4476 | |
| 4477 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4478 return -1; | |
| 4479 } | |
| 4480 | |
| 4481 // NOTE that capacity is currently an int in the implementation | |
| 4482 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4483 return ret; | |
| 4484 } | |
| 4485 | |
| 4486 | |
| 4487 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4488 JNIWrapper("GetVersion"); | |
| 4006 | 4489 #ifndef USDT2 |
| 0 | 4490 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4491 #else /* USDT2 */ |
|
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|
4492 HOTSPOT_JNI_GETVERSION_ENTRY(env); |
| 4006 | 4493 #endif /* USDT2 */ |
| 4494 #ifndef USDT2 | |
| 0 | 4495 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4496 #else /* USDT2 */ |
|
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|
4497 HOTSPOT_JNI_GETVERSION_RETURN(CurrentVersion); |
| 4006 | 4498 #endif /* USDT2 */ |
| 0 | 4499 return CurrentVersion; |
| 4500 JNI_END | |
| 4501 | |
| 4502 extern struct JavaVM_ main_vm; | |
| 4503 | |
| 4504 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4505 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4506 #ifndef USDT2 |
| 0 | 4507 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4508 #else /* USDT2 */ |
|
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4509 HOTSPOT_JNI_GETJAVAVM_ENTRY(env, (void **) vm); |
| 4006 | 4510 #endif /* USDT2 */ |
| 0 | 4511 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4512 #ifndef USDT2 |
| 0 | 4513 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4514 #else /* USDT2 */ |
|
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4515 HOTSPOT_JNI_GETJAVAVM_RETURN(JNI_OK); |
| 4006 | 4516 #endif /* USDT2 */ |
| 0 | 4517 return JNI_OK; |
| 4518 JNI_END | |
| 4519 | |
| 4520 // Structure containing all jni functions | |
| 4521 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4522 NULL, | |
| 4523 NULL, | |
| 4524 NULL, | |
| 4525 | |
| 4526 NULL, | |
| 4527 | |
| 4528 jni_GetVersion, | |
| 4529 | |
| 4530 jni_DefineClass, | |
| 4531 jni_FindClass, | |
| 4532 | |
| 4533 jni_FromReflectedMethod, | |
| 4534 jni_FromReflectedField, | |
| 4535 | |
| 4536 jni_ToReflectedMethod, | |
| 4537 | |
| 4538 jni_GetSuperclass, | |
| 4539 jni_IsAssignableFrom, | |
| 4540 | |
| 4541 jni_ToReflectedField, | |
| 4542 | |
| 4543 jni_Throw, | |
| 4544 jni_ThrowNew, | |
| 4545 jni_ExceptionOccurred, | |
| 4546 jni_ExceptionDescribe, | |
| 4547 jni_ExceptionClear, | |
| 4548 jni_FatalError, | |
| 4549 | |
| 4550 jni_PushLocalFrame, | |
| 4551 jni_PopLocalFrame, | |
| 4552 | |
| 4553 jni_NewGlobalRef, | |
| 4554 jni_DeleteGlobalRef, | |
| 4555 jni_DeleteLocalRef, | |
| 4556 jni_IsSameObject, | |
| 4557 | |
| 4558 jni_NewLocalRef, | |
| 4559 jni_EnsureLocalCapacity, | |
| 4560 | |
| 4561 jni_AllocObject, | |
| 4562 jni_NewObject, | |
| 4563 jni_NewObjectV, | |
| 4564 jni_NewObjectA, | |
| 4565 | |
| 4566 jni_GetObjectClass, | |
| 4567 jni_IsInstanceOf, | |
| 4568 | |
| 4569 jni_GetMethodID, | |
| 4570 | |
| 4571 jni_CallObjectMethod, | |
| 4572 jni_CallObjectMethodV, | |
| 4573 jni_CallObjectMethodA, | |
| 4574 jni_CallBooleanMethod, | |
| 4575 jni_CallBooleanMethodV, | |
| 4576 jni_CallBooleanMethodA, | |
| 4577 jni_CallByteMethod, | |
| 4578 jni_CallByteMethodV, | |
| 4579 jni_CallByteMethodA, | |
| 4580 jni_CallCharMethod, | |
| 4581 jni_CallCharMethodV, | |
| 4582 jni_CallCharMethodA, | |
| 4583 jni_CallShortMethod, | |
| 4584 jni_CallShortMethodV, | |
| 4585 jni_CallShortMethodA, | |
| 4586 jni_CallIntMethod, | |
| 4587 jni_CallIntMethodV, | |
| 4588 jni_CallIntMethodA, | |
| 4589 jni_CallLongMethod, | |
| 4590 jni_CallLongMethodV, | |
| 4591 jni_CallLongMethodA, | |
| 4592 jni_CallFloatMethod, | |
| 4593 jni_CallFloatMethodV, | |
| 4594 jni_CallFloatMethodA, | |
| 4595 jni_CallDoubleMethod, | |
| 4596 jni_CallDoubleMethodV, | |
| 4597 jni_CallDoubleMethodA, | |
| 4598 jni_CallVoidMethod, | |
| 4599 jni_CallVoidMethodV, | |
| 4600 jni_CallVoidMethodA, | |
| 4601 | |
| 4602 jni_CallNonvirtualObjectMethod, | |
| 4603 jni_CallNonvirtualObjectMethodV, | |
| 4604 jni_CallNonvirtualObjectMethodA, | |
| 4605 jni_CallNonvirtualBooleanMethod, | |
| 4606 jni_CallNonvirtualBooleanMethodV, | |
| 4607 jni_CallNonvirtualBooleanMethodA, | |
| 4608 jni_CallNonvirtualByteMethod, | |
| 4609 jni_CallNonvirtualByteMethodV, | |
| 4610 jni_CallNonvirtualByteMethodA, | |
| 4611 jni_CallNonvirtualCharMethod, | |
| 4612 jni_CallNonvirtualCharMethodV, | |
| 4613 jni_CallNonvirtualCharMethodA, | |
| 4614 jni_CallNonvirtualShortMethod, | |
| 4615 jni_CallNonvirtualShortMethodV, | |
| 4616 jni_CallNonvirtualShortMethodA, | |
| 4617 jni_CallNonvirtualIntMethod, | |
| 4618 jni_CallNonvirtualIntMethodV, | |
| 4619 jni_CallNonvirtualIntMethodA, | |
| 4620 jni_CallNonvirtualLongMethod, | |
| 4621 jni_CallNonvirtualLongMethodV, | |
| 4622 jni_CallNonvirtualLongMethodA, | |
| 4623 jni_CallNonvirtualFloatMethod, | |
| 4624 jni_CallNonvirtualFloatMethodV, | |
| 4625 jni_CallNonvirtualFloatMethodA, | |
| 4626 jni_CallNonvirtualDoubleMethod, | |
| 4627 jni_CallNonvirtualDoubleMethodV, | |
| 4628 jni_CallNonvirtualDoubleMethodA, | |
| 4629 jni_CallNonvirtualVoidMethod, | |
| 4630 jni_CallNonvirtualVoidMethodV, | |
| 4631 jni_CallNonvirtualVoidMethodA, | |
| 4632 | |
| 4633 jni_GetFieldID, | |
| 4634 | |
| 4635 jni_GetObjectField, | |
| 4636 jni_GetBooleanField, | |
| 4637 jni_GetByteField, | |
| 4638 jni_GetCharField, | |
| 4639 jni_GetShortField, | |
| 4640 jni_GetIntField, | |
| 4641 jni_GetLongField, | |
| 4642 jni_GetFloatField, | |
| 4643 jni_GetDoubleField, | |
| 4644 | |
| 4645 jni_SetObjectField, | |
| 4646 jni_SetBooleanField, | |
| 4647 jni_SetByteField, | |
| 4648 jni_SetCharField, | |
| 4649 jni_SetShortField, | |
| 4650 jni_SetIntField, | |
| 4651 jni_SetLongField, | |
| 4652 jni_SetFloatField, | |
| 4653 jni_SetDoubleField, | |
| 4654 | |
| 4655 jni_GetStaticMethodID, | |
| 4656 | |
| 4657 jni_CallStaticObjectMethod, | |
| 4658 jni_CallStaticObjectMethodV, | |
| 4659 jni_CallStaticObjectMethodA, | |
| 4660 jni_CallStaticBooleanMethod, | |
| 4661 jni_CallStaticBooleanMethodV, | |
| 4662 jni_CallStaticBooleanMethodA, | |
| 4663 jni_CallStaticByteMethod, | |
| 4664 jni_CallStaticByteMethodV, | |
| 4665 jni_CallStaticByteMethodA, | |
| 4666 jni_CallStaticCharMethod, | |
| 4667 jni_CallStaticCharMethodV, | |
| 4668 jni_CallStaticCharMethodA, | |
| 4669 jni_CallStaticShortMethod, | |
| 4670 jni_CallStaticShortMethodV, | |
| 4671 jni_CallStaticShortMethodA, | |
| 4672 jni_CallStaticIntMethod, | |
| 4673 jni_CallStaticIntMethodV, | |
| 4674 jni_CallStaticIntMethodA, | |
| 4675 jni_CallStaticLongMethod, | |
| 4676 jni_CallStaticLongMethodV, | |
| 4677 jni_CallStaticLongMethodA, | |
| 4678 jni_CallStaticFloatMethod, | |
| 4679 jni_CallStaticFloatMethodV, | |
| 4680 jni_CallStaticFloatMethodA, | |
| 4681 jni_CallStaticDoubleMethod, | |
| 4682 jni_CallStaticDoubleMethodV, | |
| 4683 jni_CallStaticDoubleMethodA, | |
| 4684 jni_CallStaticVoidMethod, | |
| 4685 jni_CallStaticVoidMethodV, | |
| 4686 jni_CallStaticVoidMethodA, | |
| 4687 | |
| 4688 jni_GetStaticFieldID, | |
| 4689 | |
| 4690 jni_GetStaticObjectField, | |
| 4691 jni_GetStaticBooleanField, | |
| 4692 jni_GetStaticByteField, | |
| 4693 jni_GetStaticCharField, | |
| 4694 jni_GetStaticShortField, | |
| 4695 jni_GetStaticIntField, | |
| 4696 jni_GetStaticLongField, | |
| 4697 jni_GetStaticFloatField, | |
| 4698 jni_GetStaticDoubleField, | |
| 4699 | |
| 4700 jni_SetStaticObjectField, | |
| 4701 jni_SetStaticBooleanField, | |
| 4702 jni_SetStaticByteField, | |
| 4703 jni_SetStaticCharField, | |
| 4704 jni_SetStaticShortField, | |
| 4705 jni_SetStaticIntField, | |
| 4706 jni_SetStaticLongField, | |
| 4707 jni_SetStaticFloatField, | |
| 4708 jni_SetStaticDoubleField, | |
| 4709 | |
| 4710 jni_NewString, | |
| 4711 jni_GetStringLength, | |
| 4712 jni_GetStringChars, | |
| 4713 jni_ReleaseStringChars, | |
| 4714 | |
| 4715 jni_NewStringUTF, | |
| 4716 jni_GetStringUTFLength, | |
| 4717 jni_GetStringUTFChars, | |
| 4718 jni_ReleaseStringUTFChars, | |
| 4719 | |
| 4720 jni_GetArrayLength, | |
| 4721 | |
| 4722 jni_NewObjectArray, | |
| 4723 jni_GetObjectArrayElement, | |
| 4724 jni_SetObjectArrayElement, | |
| 4725 | |
| 4726 jni_NewBooleanArray, | |
| 4727 jni_NewByteArray, | |
| 4728 jni_NewCharArray, | |
| 4729 jni_NewShortArray, | |
| 4730 jni_NewIntArray, | |
| 4731 jni_NewLongArray, | |
| 4732 jni_NewFloatArray, | |
| 4733 jni_NewDoubleArray, | |
| 4734 | |
| 4735 jni_GetBooleanArrayElements, | |
| 4736 jni_GetByteArrayElements, | |
| 4737 jni_GetCharArrayElements, | |
| 4738 jni_GetShortArrayElements, | |
| 4739 jni_GetIntArrayElements, | |
| 4740 jni_GetLongArrayElements, | |
| 4741 jni_GetFloatArrayElements, | |
| 4742 jni_GetDoubleArrayElements, | |
| 4743 | |
| 4744 jni_ReleaseBooleanArrayElements, | |
| 4745 jni_ReleaseByteArrayElements, | |
| 4746 jni_ReleaseCharArrayElements, | |
| 4747 jni_ReleaseShortArrayElements, | |
| 4748 jni_ReleaseIntArrayElements, | |
| 4749 jni_ReleaseLongArrayElements, | |
| 4750 jni_ReleaseFloatArrayElements, | |
| 4751 jni_ReleaseDoubleArrayElements, | |
| 4752 | |
| 4753 jni_GetBooleanArrayRegion, | |
| 4754 jni_GetByteArrayRegion, | |
| 4755 jni_GetCharArrayRegion, | |
| 4756 jni_GetShortArrayRegion, | |
| 4757 jni_GetIntArrayRegion, | |
| 4758 jni_GetLongArrayRegion, | |
| 4759 jni_GetFloatArrayRegion, | |
| 4760 jni_GetDoubleArrayRegion, | |
| 4761 | |
| 4762 jni_SetBooleanArrayRegion, | |
| 4763 jni_SetByteArrayRegion, | |
| 4764 jni_SetCharArrayRegion, | |
| 4765 jni_SetShortArrayRegion, | |
| 4766 jni_SetIntArrayRegion, | |
| 4767 jni_SetLongArrayRegion, | |
| 4768 jni_SetFloatArrayRegion, | |
| 4769 jni_SetDoubleArrayRegion, | |
| 4770 | |
| 4771 jni_RegisterNatives, | |
| 4772 jni_UnregisterNatives, | |
| 4773 | |
| 4774 jni_MonitorEnter, | |
| 4775 jni_MonitorExit, | |
| 4776 | |
| 4777 jni_GetJavaVM, | |
| 4778 | |
| 4779 jni_GetStringRegion, | |
| 4780 jni_GetStringUTFRegion, | |
| 4781 | |
| 4782 jni_GetPrimitiveArrayCritical, | |
| 4783 jni_ReleasePrimitiveArrayCritical, | |
| 4784 | |
| 4785 jni_GetStringCritical, | |
| 4786 jni_ReleaseStringCritical, | |
| 4787 | |
| 4788 jni_NewWeakGlobalRef, | |
| 4789 jni_DeleteWeakGlobalRef, | |
| 4790 | |
| 4791 jni_ExceptionCheck, | |
| 4792 | |
| 4793 jni_NewDirectByteBuffer, | |
| 4794 jni_GetDirectBufferAddress, | |
| 4795 jni_GetDirectBufferCapacity, | |
| 4796 | |
| 4797 // New 1_6 features | |
| 4798 | |
| 4799 jni_GetObjectRefType | |
| 4800 }; | |
| 4801 | |
| 4802 | |
| 4803 // For jvmti use to modify jni function table. | |
| 4804 // Java threads in native contiues to run until it is transitioned | |
| 4805 // to VM at safepoint. Before the transition or before it is blocked | |
| 4806 // for safepoint it may access jni function table. VM could crash if | |
| 4807 // any java thread access the jni function table in the middle of memcpy. | |
| 4808 // To avoid this each function pointers are copied automically. | |
| 4809 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4810 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4811 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4812 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4813 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4814 Atomic::store_ptr(*b++, a++); | |
| 4815 } | |
| 4816 } | |
| 4817 | |
| 4818 void quicken_jni_functions() { | |
| 4819 // Replace Get<Primitive>Field with fast versions | |
| 4820 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4821 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4822 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4823 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4824 // versions currently isn't certain for server vm on uniprocessor. | |
| 4825 && os::is_MP() | |
| 4826 #endif | |
| 4827 ) { | |
| 4828 address func; | |
| 4829 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4830 if (func != (address)-1) { | |
| 4831 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4832 } | |
| 4833 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4834 if (func != (address)-1) { | |
| 4835 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4836 } | |
| 4837 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4838 if (func != (address)-1) { | |
| 4839 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4840 } | |
| 4841 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4842 if (func != (address)-1) { | |
| 4843 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4844 } | |
| 4845 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4846 if (func != (address)-1) { | |
| 4847 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4848 } | |
| 4849 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4850 if (func != (address)-1) { | |
| 4851 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4852 } | |
| 4853 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4854 if (func != (address)-1) { | |
| 4855 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4856 } | |
| 4857 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4858 if (func != (address)-1) { | |
| 4859 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4860 } | |
| 4861 } | |
| 4862 } | |
| 4863 | |
| 4864 // Returns the function structure | |
| 4865 struct JNINativeInterface_* jni_functions() { | |
|
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|
4866 #if INCLUDE_JNI_CHECK |
| 0 | 4867 if (CheckJNICalls) return jni_functions_check(); |
|
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|
4868 #endif // INCLUDE_JNI_CHECK |
| 0 | 4869 return &jni_NativeInterface; |
| 4870 } | |
| 4871 | |
| 4872 // Returns the function structure | |
| 4873 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4874 return &jni_NativeInterface; | |
| 4875 } | |
| 4876 | |
| 4877 | |
| 4878 // Invocation API | |
| 4879 | |
| 4880 | |
| 4881 // Forward declaration | |
| 4882 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4883 | |
| 4884 // Global invocation API vars | |
| 4885 volatile jint vm_created = 0; | |
| 4886 // Indicate whether it is safe to recreate VM | |
| 4887 volatile jint safe_to_recreate_vm = 1; | |
| 4888 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 4889 | |
| 4890 | |
| 4891 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 4892 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 4893 | |
| 4006 | 4894 #ifndef USDT2 |
| 0 | 4895 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 4896 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 4897 #else /* USDT2 */ |
| 4898 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 4899 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 4900 #endif /* USDT2 */ | |
| 0 | 4901 |
| 4902 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 4903 #ifndef USDT2 |
| 0 | 4904 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 4905 #else /* USDT2 */ |
|
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|
4906 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY(args_); |
| 4006 | 4907 #endif /* USDT2 */ |
| 0 | 4908 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 4909 jint ret = JNI_ERR; | |
| 4910 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 4911 | |
| 4912 if (Threads::is_supported_jni_version(args->version)) { | |
| 4913 ret = JNI_OK; | |
| 4914 } | |
| 4915 // 1.1 style no longer supported in hotspot. | |
| 4916 // According the JNI spec, we should update args->version on return. | |
| 4917 // We also use the structure to communicate with launcher about default | |
| 4918 // stack size. | |
| 4919 if (args->version == JNI_VERSION_1_1) { | |
| 4920 args->version = JNI_VERSION_1_2; | |
| 4921 // javaStackSize is int in arguments structure | |
| 4922 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 4923 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 4924 } | |
| 4925 return ret; | |
| 4926 } | |
| 4927 | |
| 3779 | 4928 #ifndef PRODUCT |
| 4929 | |
| 10405 | 4930 #include "gc_implementation/shared/gcTimer.hpp" |
| 4708 | 4931 #include "gc_interface/collectedHeap.hpp" |
|
10333
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|
4932 #if INCLUDE_ALL_GCS |
|
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|
4933 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
|
6702da6b6082
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|
4934 #endif |
| 3779 | 4935 #include "utilities/quickSort.hpp" |
| 12215 | 4936 #include "utilities/ostream.hpp" |
| 7171 | 4937 #if INCLUDE_VM_STRUCTS |
| 4938 #include "runtime/vmStructs.hpp" | |
| 4939 #endif | |
| 3779 | 4940 |
| 4708 | 4941 #define run_unit_test(unit_test_function_call) \ |
| 4942 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 4943 unit_test_function_call | |
| 4944 | |
|
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|
4945 // Forward declaration |
|
4c84d351cca9
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|
4946 void TestReservedSpace_test(); |
|
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|
4947 void TestReserveMemorySpecial_test(); |
|
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|
4948 void TestVirtualSpace_test(); |
|
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|
4949 void TestMetaspaceAux_test(); |
| 12902 | 4950 void TestMetachunk_test(); |
|
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diff
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|
4951 void TestVirtualSpaceNode_test(); |
|
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diff
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|
4952 void TestOldFreeSpaceCalculation_test(); |
|
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|
4953 #if INCLUDE_ALL_GCS |
|
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diff
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|
4954 void TestG1BiasedArray_test(); |
|
a19bea467577
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diff
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|
4955 #endif |
|
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|
4956 |
| 3779 | 4957 void execute_internal_vm_tests() { |
| 4958 if (ExecuteInternalVMTests) { | |
| 4708 | 4959 tty->print_cr("Running internal VM tests"); |
|
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|
4960 run_unit_test(TestReservedSpace_test()); |
|
4c84d351cca9
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diff
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|
4961 run_unit_test(TestReserveMemorySpecial_test()); |
|
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|
4962 run_unit_test(TestVirtualSpace_test()); |
|
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changeset
|
4963 run_unit_test(TestMetaspaceAux_test()); |
| 12902 | 4964 run_unit_test(TestMetachunk_test()); |
|
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diff
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|
4965 run_unit_test(TestVirtualSpaceNode_test()); |
|
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|
4966 run_unit_test(GlobalDefinitions::test_globals()); |
| 10405 | 4967 run_unit_test(GCTimerAllTest::all()); |
| 4708 | 4968 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 4969 run_unit_test(CollectedHeap::test_is_in()); | |
| 4970 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 4971 run_unit_test(AltHashing::test_alt_hash()); |
| 12215 | 4972 run_unit_test(test_loggc_filename()); |
|
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|
4973 run_unit_test(TestOldFreeSpaceCalculation_test()); |
| 7171 | 4974 #if INCLUDE_VM_STRUCTS |
| 4975 run_unit_test(VMStructs::test()); | |
| 4976 #endif | |
|
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|
4977 #if INCLUDE_ALL_GCS |
|
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|
4978 run_unit_test(TestG1BiasedArray_test()); |
|
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diff
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|
4979 run_unit_test(HeapRegionRemSet::test_prt()); |
|
6702da6b6082
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|
4980 #endif |
|
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diff
changeset
|
4981 tty->print_cr("All internal VM tests passed"); |
| 3779 | 4982 } |
| 4983 } | |
| 4984 | |
| 4708 | 4985 #undef run_unit_test |
| 4986 | |
| 3779 | 4987 #endif |
| 4988 | |
| 4006 | 4989 #ifndef USDT2 |
| 0 | 4990 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4991 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 4992 #else /* USDT2 */ |
| 4993 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 4994 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 4995 #endif /* USDT2 */ | |
| 0 | 4996 |
| 4997 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 4998 #ifndef USDT2 |
| 0 | 4999 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5000 #else /* USDT2 */ |
|
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diff
changeset
|
5001 HOTSPOT_JNI_CREATEJAVAVM_ENTRY((void **) vm, penv, args); |
| 4006 | 5002 #endif /* USDT2 */ |
| 0 | 5003 |
| 5004 jint result = JNI_ERR; | |
| 5005 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5006 | |
| 1078 | 5007 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5008 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5009 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5010 // on all architectures. So we check it works before relying on it. | |
| 5011 #if defined(ZERO) && defined(ASSERT) | |
| 5012 { | |
| 5013 jint a = 0xcafebabe; | |
| 5014 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5015 void *c = &a; | |
| 5016 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5017 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5018 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5019 } | |
| 5020 #endif // ZERO && ASSERT | |
| 5021 | |
| 0 | 5022 // At the moment it's only possible to have one Java VM, |
| 5023 // since some of the runtime state is in global variables. | |
| 5024 | |
| 5025 // We cannot use our mutex locks here, since they only work on | |
| 5026 // Threads. We do an atomic compare and exchange to ensure only | |
| 5027 // one thread can call this method at a time | |
| 5028 | |
| 5029 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5030 // the add/dec implementations are dependent on whether we are running | |
| 5031 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5032 // function used to determine this will always return false. Atomic::xchg | |
| 5033 // does not have this problem. | |
| 5034 if (Atomic::xchg(1, &vm_created) == 1) { | |
|
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|
5035 return JNI_EEXIST; // already created, or create attempt in progress |
| 0 | 5036 } |
| 5037 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5038 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5039 } | |
| 5040 | |
| 5041 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5042 | |
| 5043 /** | |
| 5044 * Certain errors during initialization are recoverable and do not | |
| 5045 * prevent this method from being called again at a later time | |
| 5046 * (perhaps with different arguments). However, at a certain | |
| 5047 * point during initialization if an error occurs we cannot allow | |
| 5048 * this function to be called again (or it will crash). In those | |
| 5049 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5050 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5051 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5052 */ | |
| 5053 bool can_try_again = true; | |
| 5054 | |
| 5055 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5056 if (result == JNI_OK) { | |
| 5057 JavaThread *thread = JavaThread::current(); | |
|
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|
5058 assert(!thread->has_pending_exception(), "should have returned not OK"); |
| 0 | 5059 /* thread is thread_in_vm here */ |
| 5060 *vm = (JavaVM *)(&main_vm); | |
| 5061 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5062 | |
| 5063 // Tracks the time application was running before GC | |
| 5064 RuntimeService::record_application_start(); | |
| 5065 | |
| 5066 // Notify JVMTI | |
| 5067 if (JvmtiExport::should_post_thread_life()) { | |
| 5068 JvmtiExport::post_thread_start(thread); | |
| 5069 } | |
|
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|
5070 |
| 10405 | 5071 EventThreadStart event; |
| 5072 if (event.should_commit()) { | |
| 5073 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5074 event.commit(); | |
| 5075 } | |
|
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|
5076 |
|
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|
5077 #ifndef PRODUCT |
|
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|
5078 #ifndef TARGET_OS_FAMILY_windows |
|
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|
5079 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f() |
|
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|
5080 #endif |
|
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|
5081 |
| 0 | 5082 // Check if we should compile all classes on bootclasspath |
|
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|
5083 if (CompileTheWorld) ClassLoader::compile_the_world(); |
|
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|
5084 if (ReplayCompiles) ciReplay::replay(thread); |
|
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|
5085 |
|
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|
5086 // Some platforms (like Win*) need a wrapper around these test |
|
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|
5087 // functions in order to properly handle error conditions. |
|
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|
5088 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
|
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|
5089 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests); |
|
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|
5090 #endif |
|
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|
5091 |
| 0 | 5092 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5093 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5094 } else { | |
|
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|
5095 // If create_vm exits because of a pending exception, exit with that |
|
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|
5096 // exception. In the future when we figure out how to reclaim memory, |
|
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|
5097 // we may be able to exit with JNI_ERR and allow the calling application |
|
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|
5098 // to continue. |
|
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|
5099 if (Universe::is_fully_initialized()) { |
|
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|
5100 // otherwise no pending exception possible - VM will already have aborted |
|
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|
5101 JavaThread* THREAD = JavaThread::current(); |
|
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|
5102 if (HAS_PENDING_EXCEPTION) { |
|
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|
5103 HandleMark hm; |
|
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|
5104 vm_exit_during_initialization(Handle(THREAD, PENDING_EXCEPTION)); |
|
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|
5105 } |
|
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|
5106 } |
|
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|
5107 |
| 0 | 5108 if (can_try_again) { |
| 5109 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5110 safe_to_recreate_vm = 1; | |
| 5111 } | |
| 5112 | |
| 5113 // Creation failed. We must reset vm_created | |
| 5114 *vm = 0; | |
| 5115 *(JNIEnv**)penv = 0; | |
| 5116 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5117 // control both compiler and architectural-based reordering. | |
| 5118 OrderAccess::release_store(&vm_created, 0); | |
| 5119 } | |
| 5120 | |
| 5121 return result; | |
| 5122 } | |
| 5123 | |
| 4006 | 5124 #ifndef USDT2 |
| 0 | 5125 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5126 JavaVM**, jsize, jsize*); | |
| 5127 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5128 #endif /* !USDT2 */ |
| 0 | 5129 |
| 5130 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5131 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5132 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5133 #ifndef USDT2 |
| 0 | 5134 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5135 vm_buf, bufLen, numVMs); | |
| 4006 | 5136 #else /* USDT2 */ |
|
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|
5137 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY((void **) vm_buf, bufLen, (uintptr_t *) numVMs); |
| 4006 | 5138 #endif /* USDT2 */ |
| 0 | 5139 if (vm_created) { |
| 5140 if (numVMs != NULL) *numVMs = 1; | |
| 5141 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5142 } else { | |
| 5143 if (numVMs != NULL) *numVMs = 0; | |
| 5144 } | |
| 4006 | 5145 #ifndef USDT2 |
| 0 | 5146 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5147 #else /* USDT2 */ |
|
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|
5148 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN(JNI_OK); |
| 4006 | 5149 #endif /* USDT2 */ |
| 0 | 5150 return JNI_OK; |
| 5151 } | |
| 5152 | |
| 5153 extern "C" { | |
| 5154 | |
| 4006 | 5155 #ifndef USDT2 |
| 0 | 5156 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5157 #else /* USDT2 */ |
| 5158 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5159 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5160 #endif /* USDT2 */ | |
| 0 | 5161 |
| 5162 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5163 #ifndef USDT2 |
| 0 | 5164 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5165 #else /* USDT2 */ |
|
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|
5166 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY(vm); |
| 4006 | 5167 #endif /* USDT2 */ |
| 0 | 5168 jint res = JNI_ERR; |
| 5169 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5170 | |
| 5171 if (!vm_created) { | |
| 5172 res = JNI_ERR; | |
| 5173 return res; | |
| 5174 } | |
| 5175 | |
| 5176 JNIWrapper("DestroyJavaVM"); | |
| 5177 JNIEnv *env; | |
| 5178 JavaVMAttachArgs destroyargs; | |
| 5179 destroyargs.version = CurrentVersion; | |
| 5180 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5181 destroyargs.group = NULL; | |
| 5182 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5183 if (res != JNI_OK) { | |
| 5184 return res; | |
| 5185 } | |
| 5186 | |
| 5187 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5188 JavaThread* thread = JavaThread::current(); | |
| 5189 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5190 if (Threads::destroy_vm()) { | |
| 5191 // Should not change thread state, VM is gone | |
| 5192 vm_created = false; | |
| 5193 res = JNI_OK; | |
| 5194 return res; | |
| 5195 } else { | |
| 5196 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5197 res = JNI_ERR; | |
| 5198 return res; | |
| 5199 } | |
| 5200 } | |
| 5201 | |
| 5202 | |
| 5203 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5204 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5205 | |
| 5206 // Check below commented out from JDK1.2fcs as well | |
| 5207 /* | |
| 5208 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5209 return JNI_EVERSION; | |
| 5210 } | |
| 5211 */ | |
| 5212 | |
| 5213 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5214 if (t != NULL) { | |
| 5215 // If the thread has been attached this operation is a no-op | |
| 5216 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5217 return JNI_OK; | |
| 5218 } | |
| 5219 | |
| 5220 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5221 // ThreadsListEnumerator - see CR 6404306 | |
| 5222 JavaThread* thread = new JavaThread(true); | |
| 5223 | |
| 5224 // Set correct safepoint info. The thread is going to call into Java when | |
| 5225 // initializing the Java level thread object. Hence, the correct state must | |
| 5226 // be set in order for the Safepoint code to deal with it correctly. | |
| 5227 thread->set_thread_state(_thread_in_vm); | |
| 5228 // Must do this before initialize_thread_local_storage | |
| 5229 thread->record_stack_base_and_size(); | |
|
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1142
diff
changeset
|
5230 |
| 0 | 5231 thread->initialize_thread_local_storage(); |
| 5232 | |
| 5233 if (!os::create_attached_thread(thread)) { | |
| 5234 delete thread; | |
| 5235 return JNI_ERR; | |
| 5236 } | |
|
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diff
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|
5237 // Enable stack overflow checks |
|
c8a467bf56ad
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diff
changeset
|
5238 thread->create_stack_guard_pages(); |
|
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1142
diff
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|
5239 |
| 0 | 5240 thread->initialize_tlab(); |
| 5241 | |
|
1681
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1552
diff
changeset
|
5242 thread->cache_global_variables(); |
|
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1552
diff
changeset
|
5243 |
| 0 | 5244 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5245 // not been added to the Thread list yet. | |
| 5246 { Threads_lock->lock_without_safepoint_check(); | |
| 5247 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5248 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5249 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5250 Threads::add(thread, daemon); | |
| 5251 Threads_lock->unlock(); | |
| 5252 } | |
| 5253 // Create thread group and name info from attach arguments | |
| 5254 oop group = NULL; | |
| 5255 char* thread_name = NULL; | |
| 5256 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5257 group = JNIHandles::resolve(args->group); | |
| 5258 thread_name = args->name; // may be NULL | |
| 5259 } | |
| 5260 if (group == NULL) group = Universe::main_thread_group(); | |
| 5261 | |
| 5262 // Create Java level thread object and attach it to this thread | |
| 5263 bool attach_failed = false; | |
| 5264 { | |
| 5265 EXCEPTION_MARK; | |
| 5266 HandleMark hm(THREAD); | |
| 5267 Handle thread_group(THREAD, group); | |
| 5268 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5269 if (HAS_PENDING_EXCEPTION) { | |
| 5270 CLEAR_PENDING_EXCEPTION; | |
| 5271 // cleanup outside the handle mark. | |
| 5272 attach_failed = true; | |
| 5273 } | |
| 5274 } | |
| 5275 | |
| 5276 if (attach_failed) { | |
| 5277 // Added missing cleanup | |
| 5278 thread->cleanup_failed_attach_current_thread(); | |
| 5279 return JNI_ERR; | |
| 5280 } | |
| 5281 | |
| 5282 // mark the thread as no longer attaching | |
| 5283 // this uses a fence to push the change through so we don't have | |
| 5284 // to regrab the threads_lock | |
| 4006 | 5285 thread->set_done_attaching_via_jni(); |
| 0 | 5286 |
| 5287 // Set java thread status. | |
| 5288 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5289 java_lang_Thread::RUNNABLE); | |
| 5290 | |
| 5291 // Notify the debugger | |
| 5292 if (JvmtiExport::should_post_thread_life()) { | |
| 5293 JvmtiExport::post_thread_start(thread); | |
| 5294 } | |
| 5295 | |
| 10405 | 5296 EventThreadStart event; |
| 5297 if (event.should_commit()) { | |
| 5298 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5299 event.commit(); | |
| 5300 } | |
|
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|
5301 |
| 0 | 5302 *(JNIEnv**)penv = thread->jni_environment(); |
| 5303 | |
| 5304 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5305 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5306 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5307 // needed. | |
| 5308 | |
| 5309 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5310 | |
| 5311 // Perform any platform dependent FPU setup | |
| 5312 os::setup_fpu(); | |
| 5313 | |
| 5314 return JNI_OK; | |
| 5315 } | |
| 5316 | |
| 5317 | |
| 5318 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5319 #ifndef USDT2 |
| 0 | 5320 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5321 #else /* USDT2 */ |
|
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|
5322 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY(vm, penv, _args); |
| 4006 | 5323 #endif /* USDT2 */ |
| 0 | 5324 if (!vm_created) { |
| 4006 | 5325 #ifndef USDT2 |
| 0 | 5326 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5327 #else /* USDT2 */ |
|
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|
5328 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN((uint32_t) JNI_ERR); |
| 4006 | 5329 #endif /* USDT2 */ |
| 0 | 5330 return JNI_ERR; |
| 5331 } | |
| 5332 | |
| 5333 JNIWrapper("AttachCurrentThread"); | |
| 5334 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5335 #ifndef USDT2 |
| 0 | 5336 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5337 #else /* USDT2 */ |
|
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|
5338 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(ret); |
| 4006 | 5339 #endif /* USDT2 */ |
| 0 | 5340 return ret; |
| 5341 } | |
| 5342 | |
| 5343 | |
| 5344 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5345 #ifndef USDT2 |
| 0 | 5346 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5347 #else /* USDT2 */ |
|
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|
5348 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY(vm); |
| 4006 | 5349 #endif /* USDT2 */ |
| 0 | 5350 VM_Exit::block_if_vm_exited(); |
| 5351 | |
| 5352 JNIWrapper("DetachCurrentThread"); | |
| 5353 | |
| 5354 // If the thread has been deattacted the operations is a no-op | |
| 5355 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5356 #ifndef USDT2 |
| 0 | 5357 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5358 #else /* USDT2 */ |
|
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5359 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(JNI_OK); |
| 4006 | 5360 #endif /* USDT2 */ |
| 0 | 5361 return JNI_OK; |
| 5362 } | |
| 5363 | |
| 5364 JavaThread* thread = JavaThread::current(); | |
| 5365 if (thread->has_last_Java_frame()) { | |
| 4006 | 5366 #ifndef USDT2 |
| 0 | 5367 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5368 #else /* USDT2 */ |
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5369 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN((uint32_t) JNI_ERR); |
| 4006 | 5370 #endif /* USDT2 */ |
| 0 | 5371 // Can't detach a thread that's running java, that can't work. |
| 5372 return JNI_ERR; | |
| 5373 } | |
| 5374 | |
| 5375 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5376 // middel of a safepoint operation | |
| 5377 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5378 | |
| 5379 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5380 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5381 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5382 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5383 // the removal of the guards is buried below in JavaThread::exit() | |
| 5384 // here. The abstraction should be more symmetrically either exposed | |
| 5385 // or hidden (e.g. it could probably be hidden in the same | |
| 5386 // (platform-dependent) methods where we do alternate stack | |
| 5387 // maintenance work?) | |
| 5388 thread->exit(false, JavaThread::jni_detach); | |
| 5389 delete thread; | |
| 5390 | |
| 4006 | 5391 #ifndef USDT2 |
| 0 | 5392 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5393 #else /* USDT2 */ |
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5394 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(JNI_OK); |
| 4006 | 5395 #endif /* USDT2 */ |
| 0 | 5396 return JNI_OK; |
| 5397 } | |
| 5398 | |
| 4006 | 5399 #ifndef USDT2 |
| 0 | 5400 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5401 #else /* USDT2 */ |
| 5402 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5403 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5404 #endif /* USDT2 */ | |
| 0 | 5405 |
| 5406 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5407 #ifndef USDT2 |
| 0 | 5408 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5409 #else /* USDT2 */ |
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5410 HOTSPOT_JNI_GETENV_ENTRY(vm, penv, version); |
| 4006 | 5411 #endif /* USDT2 */ |
| 0 | 5412 jint ret = JNI_ERR; |
| 5413 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5414 | |
| 5415 if (!vm_created) { | |
| 5416 *penv = NULL; | |
| 5417 ret = JNI_EDETACHED; | |
| 5418 return ret; | |
| 5419 } | |
| 5420 | |
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5421 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5422 return ret; |
| 5423 } | |
| 5424 | |
| 5425 #ifndef JVMPI_VERSION_1 | |
| 5426 // need these in order to be polite about older agents | |
| 5427 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5428 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5429 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5430 #endif // !JVMPI_VERSION_1 | |
| 5431 | |
| 5432 Thread* thread = ThreadLocalStorage::thread(); | |
| 5433 if (thread != NULL && thread->is_Java_thread()) { | |
| 5434 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5435 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5436 ret = JNI_OK; | |
| 5437 return ret; | |
| 5438 | |
| 5439 } else if (version == JVMPI_VERSION_1 || | |
| 5440 version == JVMPI_VERSION_1_1 || | |
| 5441 version == JVMPI_VERSION_1_2) { | |
| 5442 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5443 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5444 ret = JNI_EVERSION; | |
| 5445 return ret; | |
| 5446 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5447 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5448 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5449 ret = JNI_EVERSION; | |
| 5450 return ret; | |
| 5451 } else { | |
| 5452 *penv = NULL; | |
| 5453 ret = JNI_EVERSION; | |
| 5454 return ret; | |
| 5455 } | |
| 5456 } else { | |
| 5457 *penv = NULL; | |
| 5458 ret = JNI_EDETACHED; | |
| 5459 return ret; | |
| 5460 } | |
| 5461 } | |
| 5462 | |
| 5463 | |
| 5464 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5465 #ifndef USDT2 |
| 0 | 5466 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5467 #else /* USDT2 */ |
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5468 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY(vm, penv, _args); |
| 4006 | 5469 #endif /* USDT2 */ |
| 0 | 5470 if (!vm_created) { |
| 4006 | 5471 #ifndef USDT2 |
| 0 | 5472 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5473 #else /* USDT2 */ |
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5474 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN((uint32_t) JNI_ERR); |
| 4006 | 5475 #endif /* USDT2 */ |
| 0 | 5476 return JNI_ERR; |
| 5477 } | |
| 5478 | |
| 5479 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5480 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5481 #ifndef USDT2 |
| 0 | 5482 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5483 #else /* USDT2 */ |
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5484 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(ret); |
| 4006 | 5485 #endif /* USDT2 */ |
| 0 | 5486 return ret; |
| 5487 } | |
| 5488 | |
| 5489 | |
| 5490 } // End extern "C" | |
| 5491 | |
| 5492 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5493 NULL, | |
| 5494 NULL, | |
| 5495 NULL, | |
| 5496 | |
| 5497 jni_DestroyJavaVM, | |
| 5498 jni_AttachCurrentThread, | |
| 5499 jni_DetachCurrentThread, | |
| 5500 jni_GetEnv, | |
| 5501 jni_AttachCurrentThreadAsDaemon | |
| 5502 }; |