Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 12902:bdfbb1fb19ca
8026391: The Metachunk header wastes memory
Reviewed-by: coleenp, jmasa
| author | stefank |
|---|---|
| date | Tue, 15 Oct 2013 14:28:51 +0200 |
| parents | ac9cb1d5a202 |
| children | 1d1ea10fe09f |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2012 Red Hat, Inc. |
| 0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
|
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
| 0 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #include "precompiled.hpp" |
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27 #include "ci/ciReplay.hpp" |
| 6162 | 28 #include "classfile/altHashing.hpp" |
| 1972 | 29 #include "classfile/classLoader.hpp" |
| 30 #include "classfile/javaClasses.hpp" | |
| 31 #include "classfile/symbolTable.hpp" | |
| 32 #include "classfile/systemDictionary.hpp" | |
| 33 #include "classfile/vmSymbols.hpp" | |
| 34 #include "interpreter/linkResolver.hpp" | |
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35 #include "utilities/macros.hpp" |
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36 #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 */ |
| 436 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 437 env, (char *)name); | |
| 438 #endif /* USDT2 */ | |
| 0 | 439 |
| 440 jclass result = NULL; | |
| 441 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 442 | |
| 443 // Remember if we are the first invocation of jni_FindClass | |
| 444 bool first_time = first_time_FindClass; | |
| 445 first_time_FindClass = false; | |
| 446 | |
| 447 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 448 // name we can fit in the constant pool. | |
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449 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 450 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 451 } | |
| 452 | |
| 453 //%note jni_3 | |
| 454 Handle loader; | |
| 455 Handle protection_domain; | |
| 456 // Find calling class | |
| 457 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 458 if (k.not_null()) { | |
| 459 loader = Handle(THREAD, k->class_loader()); | |
| 460 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 461 // in the correct class context. | |
| 462 if (loader.is_null() && | |
| 463 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 464 JavaValue result(T_OBJECT); | |
| 465 JavaCalls::call_static(&result, k, | |
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466 vmSymbols::getFromClass_name(), |
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467 vmSymbols::void_class_signature(), |
| 0 | 468 thread); |
| 469 if (HAS_PENDING_EXCEPTION) { | |
| 470 Handle ex(thread, thread->pending_exception()); | |
| 471 CLEAR_PENDING_EXCEPTION; | |
| 472 THROW_HANDLE_0(ex); | |
| 473 } | |
| 474 oop mirror = (oop) result.get_jobject(); | |
| 475 loader = Handle(THREAD, | |
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476 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 477 protection_domain = Handle(THREAD, |
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478 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 479 } |
| 480 } else { | |
| 481 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 482 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 483 } | |
| 484 | |
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485 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 486 result = find_class_from_class_loader(env, sym, true, loader, |
| 487 protection_domain, true, thread); | |
| 488 | |
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489 if (TraceClassResolution && result != NULL) { |
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490 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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491 } |
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492 |
| 0 | 493 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 494 // rather than just allowing invocation counter to overflow and decay. | |
| 495 // Controlled by flag DelayCompilationDuringStartup. | |
| 496 if (first_time && !CompileTheWorld) | |
| 497 CompilationPolicy::completed_vm_startup(); | |
| 498 | |
| 499 return result; | |
| 500 JNI_END | |
| 501 | |
| 4006 | 502 #ifndef USDT2 |
| 0 | 503 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 504 #else /* USDT2 */ |
| 505 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 506 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 507 #endif /* USDT2 */ | |
| 0 | 508 |
| 509 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 510 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 511 #ifndef USDT2 |
| 0 | 512 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 513 #else /* USDT2 */ |
| 514 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 515 env, method); | |
| 516 #endif /* USDT2 */ | |
| 0 | 517 jmethodID ret = NULL; |
| 518 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 519 | |
| 520 // method is a handle to a java.lang.reflect.Method object | |
| 521 oop reflected = JNIHandles::resolve_non_null(method); | |
| 522 oop mirror = NULL; | |
| 523 int slot = 0; | |
| 524 | |
| 1142 | 525 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 526 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 527 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 528 } else { | |
| 1142 | 529 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 530 mirror = java_lang_reflect_Method::clazz(reflected); |
| 531 slot = java_lang_reflect_Method::slot(reflected); | |
| 532 } | |
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533 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 534 |
| 535 KlassHandle k1(THREAD, k); | |
| 536 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 537 k1()->initialize(CHECK_NULL); |
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538 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 539 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 540 return ret; | |
| 541 JNI_END | |
| 542 | |
| 4006 | 543 #ifndef USDT2 |
| 0 | 544 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 545 #else /* USDT2 */ |
| 546 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 547 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 548 #endif /* USDT2 */ | |
| 0 | 549 |
| 550 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 551 JNIWrapper("FromReflectedField"); | |
| 4006 | 552 #ifndef USDT2 |
| 0 | 553 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 554 #else /* USDT2 */ |
| 555 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 556 env, field); | |
| 557 #endif /* USDT2 */ | |
| 0 | 558 jfieldID ret = NULL; |
| 559 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 560 | |
| 561 // field is a handle to a java.lang.reflect.Field object | |
| 562 oop reflected = JNIHandles::resolve_non_null(field); | |
| 563 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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564 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 565 int slot = java_lang_reflect_Field::slot(reflected); |
| 566 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 567 | |
| 568 KlassHandle k1(THREAD, k); | |
| 569 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 570 k1()->initialize(CHECK_NULL); |
| 0 | 571 |
| 572 // First check if this is a static field | |
| 573 if (modifiers & JVM_ACC_STATIC) { | |
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574 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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575 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 576 assert(id != NULL, "corrupt Field object"); |
| 577 debug_only(id->set_is_static_field_id();) | |
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578 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 579 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 580 return ret; | |
| 581 } | |
| 582 | |
| 583 // The slot is the index of the field description in the field-array | |
| 584 // The jfieldID is the offset of the field within the object | |
| 585 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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586 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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587 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 588 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 589 return ret; | |
| 590 JNI_END | |
| 591 | |
| 4006 | 592 #ifndef USDT2 |
| 0 | 593 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 594 #else /* USDT2 */ |
| 595 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 596 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 597 #endif /* USDT2 */ | |
| 0 | 598 |
| 599 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 600 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 601 #ifndef USDT2 |
| 0 | 602 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 603 #else /* USDT2 */ |
| 604 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 605 env, cls, (uintptr_t) method_id, isStatic); | |
| 606 #endif /* USDT2 */ | |
| 0 | 607 jobject ret = NULL; |
| 608 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 609 | |
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610 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 611 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 612 oop reflection_method; | |
| 613 if (m->is_initializer()) { | |
| 614 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 615 } else { | |
| 616 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 617 } | |
| 618 ret = JNIHandles::make_local(env, reflection_method); | |
| 619 return ret; | |
| 620 JNI_END | |
| 621 | |
| 4006 | 622 #ifndef USDT2 |
| 0 | 623 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 624 #else /* USDT2 */ |
| 625 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 626 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 627 #endif /* USDT2 */ | |
| 0 | 628 |
| 629 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 630 JNIWrapper("GetSuperclass"); | |
| 4006 | 631 #ifndef USDT2 |
| 0 | 632 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 633 #else /* USDT2 */ |
| 634 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 635 env, sub); | |
| 636 #endif /* USDT2 */ | |
| 0 | 637 jclass obj = NULL; |
| 638 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 639 | |
| 640 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 641 // primitive classes return NULL | |
| 642 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 643 | |
| 644 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 645 // arrays return Object | |
| 646 // interfaces return NULL | |
| 647 // proper classes return Klass::super() | |
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648 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 649 if (k->is_interface()) return NULL; |
| 0 | 650 |
| 651 // return mirror for superclass | |
| 6983 | 652 Klass* super = k->java_super(); |
| 0 | 653 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 654 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 655 ? SystemDictionary::Object_klass() |
| 6983 | 656 : k->super() ) ); |
| 0 | 657 assert(super == super2, |
| 658 "java_super computation depends on interface, array, other super"); | |
| 6983 | 659 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 660 return obj; |
| 661 JNI_END | |
| 662 | |
| 663 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 664 JNIWrapper("IsSubclassOf"); | |
| 4006 | 665 #ifndef USDT2 |
| 0 | 666 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 667 #else /* USDT2 */ |
| 668 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 669 env, sub, super); | |
| 670 #endif /* USDT2 */ | |
| 0 | 671 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 672 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 673 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 674 java_lang_Class::is_primitive(super_mirror)) { | |
| 675 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 676 #ifndef USDT2 |
| 0 | 677 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 678 #else /* USDT2 */ |
| 679 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 680 ret); | |
| 681 #endif /* USDT2 */ | |
| 0 | 682 return ret; |
| 683 } | |
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684 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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685 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 686 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 687 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 688 JNI_TRUE : JNI_FALSE; |
| 4006 | 689 #ifndef USDT2 |
| 0 | 690 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 691 #else /* USDT2 */ |
| 692 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 693 ret); | |
| 694 #endif /* USDT2 */ | |
| 0 | 695 return ret; |
| 696 JNI_END | |
| 697 | |
| 4006 | 698 #ifndef USDT2 |
| 0 | 699 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 700 #else /* USDT2 */ |
| 701 DT_RETURN_MARK_DECL(Throw, jint | |
| 702 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 703 #endif /* USDT2 */ | |
| 0 | 704 |
| 705 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 706 JNIWrapper("Throw"); | |
| 4006 | 707 #ifndef USDT2 |
| 0 | 708 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 709 #else /* USDT2 */ |
| 710 HOTSPOT_JNI_THROW_ENTRY( | |
| 711 env, obj); | |
| 712 #endif /* USDT2 */ | |
| 0 | 713 jint ret = JNI_OK; |
| 714 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 715 | |
| 716 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 717 ShouldNotReachHere(); | |
| 718 JNI_END | |
| 719 | |
| 4006 | 720 #ifndef USDT2 |
| 0 | 721 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 722 #else /* USDT2 */ |
| 723 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 724 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 725 #endif /* USDT2 */ | |
| 0 | 726 |
| 727 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 728 JNIWrapper("ThrowNew"); | |
| 4006 | 729 #ifndef USDT2 |
| 0 | 730 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 731 #else /* USDT2 */ |
| 732 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 733 env, clazz, (char *) message); | |
| 734 #endif /* USDT2 */ | |
| 0 | 735 jint ret = JNI_OK; |
| 736 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 737 | |
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738 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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739 Symbol* name = k->name(); |
| 0 | 740 Handle class_loader (THREAD, k->class_loader()); |
| 741 Handle protection_domain (THREAD, k->protection_domain()); | |
| 742 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 743 ShouldNotReachHere(); | |
| 744 JNI_END | |
| 745 | |
| 746 | |
| 747 // JNI functions only transform a pending async exception to a synchronous | |
| 748 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 749 // delivering an async exception in other places won't change the native | |
| 750 // code's control flow and would be harmful when native code further calls | |
| 751 // JNI functions with a pending exception. Async exception is also checked | |
| 752 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 753 // false but deliver the async exception at the very end during | |
| 754 // state transition. | |
| 755 | |
| 756 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 757 assert(thread == Thread::current(), "must be itself"); | |
| 758 thread->check_and_handle_async_exceptions(); | |
| 759 } | |
| 760 | |
| 761 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 762 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 763 #ifndef USDT2 |
| 0 | 764 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 765 #else /* USDT2 */ |
| 766 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 767 env); | |
| 768 #endif /* USDT2 */ | |
| 0 | 769 jni_check_async_exceptions(thread); |
| 770 oop exception = thread->pending_exception(); | |
| 771 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 772 #ifndef USDT2 |
| 0 | 773 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 774 #else /* USDT2 */ |
| 775 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 776 ret); | |
| 777 #endif /* USDT2 */ | |
| 0 | 778 return ret; |
| 779 JNI_END | |
| 780 | |
| 781 | |
| 782 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 783 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 784 #ifndef USDT2 |
| 0 | 785 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 786 #else /* USDT2 */ |
| 787 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 788 env); | |
| 789 #endif /* USDT2 */ | |
| 0 | 790 if (thread->has_pending_exception()) { |
| 791 Handle ex(thread, thread->pending_exception()); | |
| 792 thread->clear_pending_exception(); | |
| 1142 | 793 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 794 // Don't print anything if we are being killed. |
| 795 } else { | |
| 796 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 797 if (thread != NULL && thread->threadObj() != NULL) { | |
| 798 ResourceMark rm(THREAD); | |
| 799 jio_fprintf(defaultStream::error_stream(), | |
| 800 "in thread \"%s\" ", thread->get_thread_name()); | |
| 801 } | |
| 1142 | 802 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 803 JavaValue result(T_VOID); |
| 804 JavaCalls::call_virtual(&result, | |
| 805 ex, | |
| 806 KlassHandle(THREAD, | |
| 1142 | 807 SystemDictionary::Throwable_klass()), |
|
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808 vmSymbols::printStackTrace_name(), |
|
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809 vmSymbols::void_method_signature(), |
| 0 | 810 THREAD); |
| 811 // If an exception is thrown in the call it gets thrown away. Not much | |
| 812 // we can do with it. The native code that calls this, does not check | |
| 813 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 814 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 815 // is expected. | |
| 816 CLEAR_PENDING_EXCEPTION; | |
| 817 } else { | |
| 818 ResourceMark rm(THREAD); | |
| 819 jio_fprintf(defaultStream::error_stream(), | |
| 820 ". Uncaught exception of type %s.", | |
| 6983 | 821 ex->klass()->external_name()); |
| 0 | 822 } |
| 823 } | |
| 824 } | |
| 4006 | 825 #ifndef USDT2 |
| 0 | 826 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 827 #else /* USDT2 */ |
| 828 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 829 ); | |
| 830 #endif /* USDT2 */ | |
| 0 | 831 JNI_END |
| 832 | |
| 833 | |
| 834 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 835 JNIWrapper("ExceptionClear"); | |
| 4006 | 836 #ifndef USDT2 |
| 0 | 837 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 838 #else /* USDT2 */ |
| 839 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 840 env); | |
| 841 #endif /* USDT2 */ | |
| 0 | 842 |
| 843 // The jni code might be using this API to clear java thrown exception. | |
| 844 // So just mark jvmti thread exception state as exception caught. | |
| 845 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 846 if (state != NULL && state->is_exception_detected()) { | |
| 847 state->set_exception_caught(); | |
| 848 } | |
| 849 thread->clear_pending_exception(); | |
| 4006 | 850 #ifndef USDT2 |
| 0 | 851 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 852 #else /* USDT2 */ |
| 853 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 854 ); | |
| 855 #endif /* USDT2 */ | |
| 0 | 856 JNI_END |
| 857 | |
| 858 | |
| 859 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 860 JNIWrapper("FatalError"); | |
| 4006 | 861 #ifndef USDT2 |
| 0 | 862 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 863 #else /* USDT2 */ |
| 864 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 865 env, (char *) msg); | |
| 866 #endif /* USDT2 */ | |
| 0 | 867 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 868 thread->print_stack(); | |
|
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869 os::abort(); // Dump core and abort |
| 0 | 870 JNI_END |
| 871 | |
| 872 | |
| 873 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 874 JNIWrapper("PushLocalFrame"); | |
| 4006 | 875 #ifndef USDT2 |
| 0 | 876 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 877 #else /* USDT2 */ |
| 878 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 879 env, capacity); | |
| 880 #endif /* USDT2 */ | |
| 0 | 881 //%note jni_11 |
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882 if (capacity < 0 || capacity > MAX_REASONABLE_LOCAL_CAPACITY) { |
| 4006 | 883 #ifndef USDT2 |
| 0 | 884 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 885 #else /* USDT2 */ |
| 886 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 887 (uint32_t)JNI_ERR); | |
| 888 #endif /* USDT2 */ | |
| 0 | 889 return JNI_ERR; |
| 890 } | |
| 891 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 892 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 893 assert(new_handles != NULL, "should not be NULL"); | |
| 894 new_handles->set_pop_frame_link(old_handles); | |
| 895 thread->set_active_handles(new_handles); | |
| 896 jint ret = JNI_OK; | |
| 4006 | 897 #ifndef USDT2 |
| 0 | 898 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 899 #else /* USDT2 */ |
| 900 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 901 ret); | |
| 902 #endif /* USDT2 */ | |
| 0 | 903 return ret; |
| 904 JNI_END | |
| 905 | |
| 906 | |
| 907 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 908 JNIWrapper("PopLocalFrame"); | |
| 4006 | 909 #ifndef USDT2 |
| 0 | 910 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 911 #else /* USDT2 */ |
| 912 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 913 env, result); | |
| 914 #endif /* USDT2 */ | |
| 0 | 915 //%note jni_11 |
| 916 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 917 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 918 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 919 if (new_handles != NULL) { | |
| 920 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 921 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 922 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 923 // the release_block call will release the blocks. | |
| 924 thread->set_active_handles(new_handles); | |
| 925 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 926 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 927 result = JNIHandles::make_local(thread, result_handle()); | |
| 928 } | |
| 4006 | 929 #ifndef USDT2 |
| 0 | 930 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 931 #else /* USDT2 */ |
| 932 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 933 result); | |
| 934 #endif /* USDT2 */ | |
| 0 | 935 return result; |
| 936 JNI_END | |
| 937 | |
| 938 | |
| 939 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 940 JNIWrapper("NewGlobalRef"); | |
| 4006 | 941 #ifndef USDT2 |
| 0 | 942 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 943 #else /* USDT2 */ |
| 944 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 945 env, ref); | |
| 946 #endif /* USDT2 */ | |
| 0 | 947 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 948 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 949 #ifndef USDT2 |
| 0 | 950 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 951 #else /* USDT2 */ |
| 952 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 953 ret); | |
| 954 #endif /* USDT2 */ | |
| 0 | 955 return ret; |
| 956 JNI_END | |
| 957 | |
| 958 // Must be JNI_ENTRY (with HandleMark) | |
| 959 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 960 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 961 #ifndef USDT2 |
| 0 | 962 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 963 #else /* USDT2 */ |
| 964 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 965 env, ref); | |
| 966 #endif /* USDT2 */ | |
| 0 | 967 JNIHandles::destroy_global(ref); |
| 4006 | 968 #ifndef USDT2 |
| 0 | 969 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 970 #else /* USDT2 */ |
| 971 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 972 ); | |
| 973 #endif /* USDT2 */ | |
| 0 | 974 JNI_END |
| 975 | |
| 976 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 977 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 978 #ifndef USDT2 |
| 0 | 979 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 980 #else /* USDT2 */ |
| 981 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 982 env, obj); | |
| 983 #endif /* USDT2 */ | |
| 0 | 984 JNIHandles::destroy_local(obj); |
| 4006 | 985 #ifndef USDT2 |
| 0 | 986 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 987 #else /* USDT2 */ |
| 988 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 989 ); | |
| 990 #endif /* USDT2 */ | |
| 0 | 991 JNI_END |
| 992 | |
| 993 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 994 JNIWrapper("IsSameObject"); | |
| 4006 | 995 #ifndef USDT2 |
| 0 | 996 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 997 #else /* USDT2 */ |
| 998 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 999 env, r1, r2); | |
| 1000 #endif /* USDT2 */ | |
| 0 | 1001 oop a = JNIHandles::resolve(r1); |
| 1002 oop b = JNIHandles::resolve(r2); | |
| 1003 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1004 #ifndef USDT2 |
| 0 | 1005 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1006 #else /* USDT2 */ |
| 1007 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1008 ret); | |
| 1009 #endif /* USDT2 */ | |
| 0 | 1010 return ret; |
| 1011 JNI_END | |
| 1012 | |
| 1013 | |
| 1014 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1015 JNIWrapper("NewLocalRef"); | |
| 4006 | 1016 #ifndef USDT2 |
| 0 | 1017 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1018 #else /* USDT2 */ |
| 1019 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1020 env, ref); | |
| 1021 #endif /* USDT2 */ | |
| 0 | 1022 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1023 #ifndef USDT2 |
| 0 | 1024 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1025 #else /* USDT2 */ |
| 1026 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1027 ret); | |
| 1028 #endif /* USDT2 */ | |
| 0 | 1029 return ret; |
| 1030 JNI_END | |
| 1031 | |
| 1032 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1033 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1034 #ifndef USDT2 |
| 0 | 1035 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1036 #else /* USDT2 */ |
| 1037 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1038 env, capacity); | |
| 1039 #endif /* USDT2 */ | |
| 0 | 1040 jint ret; |
| 1041 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1042 ret = JNI_OK; | |
| 1043 } else { | |
| 1044 ret = JNI_ERR; | |
| 1045 } | |
| 4006 | 1046 #ifndef USDT2 |
| 0 | 1047 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1048 #else /* USDT2 */ |
| 1049 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1050 ret); | |
| 1051 #endif /* USDT2 */ | |
| 0 | 1052 return ret; |
| 1053 JNI_END | |
| 1054 | |
| 1055 // Return the Handle Type | |
| 1056 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1057 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1058 #ifndef USDT2 |
| 0 | 1059 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1060 #else /* USDT2 */ |
| 1061 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1062 env, obj); | |
| 1063 #endif /* USDT2 */ | |
| 0 | 1064 jobjectRefType ret; |
| 1065 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1066 JNIHandles::is_frame_handle(thread, obj)) | |
| 1067 ret = JNILocalRefType; | |
| 1068 else if (JNIHandles::is_global_handle(obj)) | |
| 1069 ret = JNIGlobalRefType; | |
| 1070 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1071 ret = JNIWeakGlobalRefType; | |
| 1072 else | |
| 1073 ret = JNIInvalidRefType; | |
| 4006 | 1074 #ifndef USDT2 |
| 0 | 1075 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1076 #else /* USDT2 */ |
| 1077 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1078 (void *) ret); | |
| 1079 #endif /* USDT2 */ | |
| 0 | 1080 return ret; |
| 1081 JNI_END | |
| 1082 | |
| 1083 | |
| 1084 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1085 protected: | |
| 1086 JavaCallArguments* _arguments; | |
| 1087 | |
| 1088 virtual void get_bool () = 0; | |
| 1089 virtual void get_char () = 0; | |
| 1090 virtual void get_short () = 0; | |
| 1091 virtual void get_byte () = 0; | |
| 1092 virtual void get_int () = 0; | |
| 1093 virtual void get_long () = 0; | |
| 1094 virtual void get_float () = 0; | |
| 1095 virtual void get_double () = 0; | |
| 1096 virtual void get_object () = 0; | |
| 1097 | |
|
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1098 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1099 this->_return_type = T_ILLEGAL; |
| 1100 _arguments = NULL; | |
| 1101 } | |
| 1102 | |
| 1103 public: | |
| 1104 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1105 | |
| 1106 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1107 | |
| 1108 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1109 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1110 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1111 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1112 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1113 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1114 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1115 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1116 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1117 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1118 inline void do_void() { } | |
| 1119 | |
| 1120 JavaCallArguments* arguments() { return _arguments; } | |
| 1121 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1122 }; | |
| 1123 | |
| 1124 | |
| 1125 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1126 protected: | |
| 1127 va_list _ap; | |
| 1128 | |
| 1129 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1130 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1131 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1132 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1133 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1134 | |
| 1135 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1136 | |
| 1137 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1138 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1139 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1140 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1141 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1142 | |
| 1143 inline void set_ap(va_list rap) { | |
| 1144 #ifdef va_copy | |
| 1145 va_copy(_ap, rap); | |
| 1146 #elif defined (__va_copy) | |
| 1147 __va_copy(_ap, rap); | |
| 1148 #else | |
| 1149 _ap = rap; | |
| 1150 #endif | |
| 1151 } | |
| 1152 | |
| 1153 public: | |
|
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1154 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1155 : JNI_ArgumentPusher(signature) { |
| 0 | 1156 set_ap(rap); |
| 1157 } | |
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1158 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1159 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1160 set_ap(rap); |
| 1161 } | |
| 1162 | |
| 1163 // Optimized path if we have the bitvector form of signature | |
| 1164 void iterate( uint64_t fingerprint ) { | |
| 1165 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1166 else { | |
| 1167 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1168 result_feature_mask); | |
| 1169 | |
| 1170 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1171 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1172 while ( 1 ) { | |
| 1173 switch ( fingerprint & parameter_feature_mask ) { | |
| 1174 case bool_parm: | |
| 1175 case char_parm: | |
| 1176 case short_parm: | |
| 1177 case byte_parm: | |
| 1178 case int_parm: | |
| 1179 get_int(); | |
| 1180 break; | |
| 1181 case obj_parm: | |
| 1182 get_object(); | |
| 1183 break; | |
| 1184 case long_parm: | |
| 1185 get_long(); | |
| 1186 break; | |
| 1187 case float_parm: | |
| 1188 get_float(); | |
| 1189 break; | |
| 1190 case double_parm: | |
| 1191 get_double(); | |
| 1192 break; | |
| 1193 case done_parm: | |
| 1194 return; | |
| 1195 break; | |
| 1196 default: | |
| 1197 ShouldNotReachHere(); | |
| 1198 break; | |
| 1199 } | |
| 1200 fingerprint >>= parameter_feature_size; | |
| 1201 } | |
| 1202 } | |
| 1203 } | |
| 1204 }; | |
| 1205 | |
| 1206 | |
| 1207 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1208 protected: | |
| 1209 const jvalue *_ap; | |
| 1210 | |
| 1211 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1212 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1213 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1214 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1215 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1216 | |
| 1217 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1218 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1219 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1220 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1221 | |
| 1222 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1223 | |
| 1224 public: | |
|
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1225 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1226 : JNI_ArgumentPusher(signature) { |
| 0 | 1227 set_ap(rap); |
| 1228 } | |
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1229 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1230 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1231 set_ap(rap); |
| 1232 } | |
| 1233 | |
| 1234 // Optimized path if we have the bitvector form of signature | |
| 1235 void iterate( uint64_t fingerprint ) { | |
| 1236 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1237 else { | |
| 1238 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1239 result_feature_mask); | |
| 1240 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1241 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1242 while ( 1 ) { | |
| 1243 switch ( fingerprint & parameter_feature_mask ) { | |
| 1244 case bool_parm: | |
| 1245 get_bool(); | |
| 1246 break; | |
| 1247 case char_parm: | |
| 1248 get_char(); | |
| 1249 break; | |
| 1250 case short_parm: | |
| 1251 get_short(); | |
| 1252 break; | |
| 1253 case byte_parm: | |
| 1254 get_byte(); | |
| 1255 break; | |
| 1256 case int_parm: | |
| 1257 get_int(); | |
| 1258 break; | |
| 1259 case obj_parm: | |
| 1260 get_object(); | |
| 1261 break; | |
| 1262 case long_parm: | |
| 1263 get_long(); | |
| 1264 break; | |
| 1265 case float_parm: | |
| 1266 get_float(); | |
| 1267 break; | |
| 1268 case double_parm: | |
| 1269 get_double(); | |
| 1270 break; | |
| 1271 case done_parm: | |
| 1272 return; | |
| 1273 break; | |
| 1274 default: | |
| 1275 ShouldNotReachHere(); | |
| 1276 break; | |
| 1277 } | |
| 1278 fingerprint >>= parameter_feature_size; | |
| 1279 } | |
| 1280 } | |
| 1281 } | |
| 1282 }; | |
| 1283 | |
| 1284 | |
| 1285 enum JNICallType { | |
| 1286 JNI_STATIC, | |
| 1287 JNI_VIRTUAL, | |
| 1288 JNI_NONVIRTUAL | |
| 1289 }; | |
| 1290 | |
| 1291 | |
| 1292 | |
| 1293 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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1294 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1295 |
| 1296 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1297 // the jni parser | |
| 1298 ResourceMark rm(THREAD); | |
| 1299 int number_of_parameters = method->size_of_parameters(); | |
| 1300 JavaCallArguments java_args(number_of_parameters); | |
| 1301 args->set_java_argument_object(&java_args); | |
| 1302 | |
| 1303 assert(method->is_static(), "method should be static"); | |
| 1304 | |
| 1305 // Fill out JavaCallArguments object | |
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1306 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1307 // Initialize result type |
| 1308 result->set_type(args->get_ret_type()); | |
| 1309 | |
| 1310 // Invoke the method. Result is returned as oop. | |
| 1311 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1312 | |
| 1313 // Convert result | |
| 1314 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1315 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1316 } | |
| 1317 } | |
| 1318 | |
| 1319 | |
| 1320 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1321 oop recv = JNIHandles::resolve(receiver); | |
| 1322 if (recv == NULL) { | |
| 1323 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1324 } | |
| 1325 Handle h_recv(THREAD, recv); | |
| 1326 | |
| 1327 int number_of_parameters; | |
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1328 Method* selected_method; |
| 0 | 1329 { |
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1330 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1331 number_of_parameters = m->size_of_parameters(); |
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1332 Klass* holder = m->method_holder(); |
| 6983 | 1333 if (!(holder)->is_interface()) { |
| 0 | 1334 // non-interface call -- for that little speed boost, don't handlize |
| 1335 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1336 if (call_type == JNI_VIRTUAL) { | |
| 1337 // jni_GetMethodID makes sure class is linked and initialized | |
| 1338 // so m should have a valid vtable index. | |
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1339 assert(!m->has_itable_index(), ""); |
| 0 | 1340 int vtbl_index = m->vtable_index(); |
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1341 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1342 Klass* k = h_recv->klass(); |
| 0 | 1343 // k might be an arrayKlassOop but all vtables start at |
| 1344 // the same place. The cast is to avoid virtual call and assertion. | |
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1345 InstanceKlass *ik = (InstanceKlass*)k; |
| 0 | 1346 selected_method = ik->method_at_vtable(vtbl_index); |
| 1347 } else { | |
| 1348 // final method | |
| 1349 selected_method = m; | |
| 1350 } | |
| 1351 } else { | |
| 1352 // JNI_NONVIRTUAL call | |
| 1353 selected_method = m; | |
| 1354 } | |
| 1355 } else { | |
| 1356 // interface call | |
| 1357 KlassHandle h_holder(THREAD, holder); | |
| 1358 | |
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1359 int itbl_index = m->itable_index(); |
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1360 Klass* k = h_recv->klass(); |
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1361 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1362 } |
| 1363 } | |
| 1364 | |
| 1365 methodHandle method(THREAD, selected_method); | |
| 1366 | |
| 1367 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1368 // the jni parser | |
| 1369 ResourceMark rm(THREAD); | |
| 1370 JavaCallArguments java_args(number_of_parameters); | |
| 1371 args->set_java_argument_object(&java_args); | |
| 1372 | |
| 1373 // handle arguments | |
| 1374 assert(!method->is_static(), "method should not be static"); | |
| 1375 args->push_receiver(h_recv); // Push jobject handle | |
| 1376 | |
| 1377 // Fill out JavaCallArguments object | |
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1378 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1379 // Initialize result type |
| 1380 result->set_type(args->get_ret_type()); | |
| 1381 | |
| 1382 // Invoke the method. Result is returned as oop. | |
| 1383 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1384 | |
| 1385 // Convert result | |
| 1386 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1387 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1388 } | |
| 1389 } | |
| 1390 | |
| 1391 | |
| 1392 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1393 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1394 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1395 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1396 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1397 return ih; |
| 1398 } | |
| 1399 | |
| 4006 | 1400 #ifndef USDT2 |
| 0 | 1401 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1402 #else /* USDT2 */ |
| 1403 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1404 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1405 #endif /* USDT2 */ | |
| 0 | 1406 |
| 1407 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1408 JNIWrapper("AllocObject"); | |
| 1409 | |
| 4006 | 1410 #ifndef USDT2 |
| 0 | 1411 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1412 #else /* USDT2 */ |
| 1413 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1414 env, clazz); | |
| 1415 #endif /* USDT2 */ | |
| 0 | 1416 jobject ret = NULL; |
| 1417 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1418 | |
| 1419 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1420 ret = JNIHandles::make_local(env, i); | |
| 1421 return ret; | |
| 1422 JNI_END | |
| 1423 | |
| 4006 | 1424 #ifndef USDT2 |
| 0 | 1425 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1426 #else /* USDT2 */ |
| 1427 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1428 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1429 #endif /* USDT2 */ | |
| 0 | 1430 |
| 1431 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1432 JNIWrapper("NewObjectA"); | |
| 4006 | 1433 #ifndef USDT2 |
| 0 | 1434 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1435 #else /* USDT2 */ |
| 1436 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1437 env, clazz, (uintptr_t) methodID); | |
| 1438 #endif /* USDT2 */ | |
| 0 | 1439 jobject obj = NULL; |
| 1440 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1441 | |
| 1442 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1443 obj = JNIHandles::make_local(env, i); | |
| 1444 JavaValue jvalue(T_VOID); | |
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1445 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1446 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1447 return obj; | |
| 1448 JNI_END | |
| 1449 | |
| 4006 | 1450 #ifndef USDT2 |
| 0 | 1451 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1452 #else /* USDT2 */ |
| 1453 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1454 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1455 #endif /* USDT2 */ | |
| 0 | 1456 |
| 1457 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1458 JNIWrapper("NewObjectV"); | |
| 4006 | 1459 #ifndef USDT2 |
| 0 | 1460 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1461 #else /* USDT2 */ |
| 1462 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1463 env, clazz, (uintptr_t) methodID); | |
| 1464 #endif /* USDT2 */ | |
| 0 | 1465 jobject obj = NULL; |
| 1466 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1467 | |
| 1468 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1469 obj = JNIHandles::make_local(env, i); | |
| 1470 JavaValue jvalue(T_VOID); | |
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1471 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1472 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1473 return obj; | |
| 1474 JNI_END | |
| 1475 | |
| 4006 | 1476 #ifndef USDT2 |
| 0 | 1477 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1478 #else /* USDT2 */ |
| 1479 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1480 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1481 #endif /* USDT2 */ | |
| 0 | 1482 |
| 1483 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1484 JNIWrapper("NewObject"); | |
| 4006 | 1485 #ifndef USDT2 |
| 0 | 1486 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1487 #else /* USDT2 */ |
| 1488 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1489 env, clazz, (uintptr_t) methodID); | |
| 1490 #endif /* USDT2 */ | |
| 0 | 1491 jobject obj = NULL; |
| 1492 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1493 | |
| 1494 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1495 obj = JNIHandles::make_local(env, i); | |
| 1496 va_list args; | |
| 1497 va_start(args, methodID); | |
| 1498 JavaValue jvalue(T_VOID); | |
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1499 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1500 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1501 va_end(args); | |
| 1502 return obj; | |
| 1503 JNI_END | |
| 1504 | |
| 1505 | |
| 1506 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1507 JNIWrapper("GetObjectClass"); | |
| 4006 | 1508 #ifndef USDT2 |
| 0 | 1509 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1510 #else /* USDT2 */ |
| 1511 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1512 env, obj); | |
| 1513 #endif /* USDT2 */ | |
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1514 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1515 jclass ret = |
| 6983 | 1516 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1517 #ifndef USDT2 |
| 0 | 1518 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1519 #else /* USDT2 */ |
| 1520 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1521 ret); | |
| 1522 #endif /* USDT2 */ | |
| 0 | 1523 return ret; |
| 1524 JNI_END | |
| 1525 | |
| 1526 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1527 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1528 #ifndef USDT2 |
| 0 | 1529 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1530 #else /* USDT2 */ |
| 1531 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1532 env, obj, clazz); | |
| 1533 #endif /* USDT2 */ | |
| 0 | 1534 jboolean ret = JNI_TRUE; |
| 1535 if (obj != NULL) { | |
| 1536 ret = JNI_FALSE; | |
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1537 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1538 JNIHandles::resolve_non_null(clazz)); |
| 1539 if (k != NULL) { | |
| 1540 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1541 } | |
| 1542 } | |
| 4006 | 1543 #ifndef USDT2 |
| 0 | 1544 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1545 #else /* USDT2 */ |
| 1546 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1547 ret); | |
| 1548 #endif /* USDT2 */ | |
| 0 | 1549 return ret; |
| 1550 JNI_END | |
| 1551 | |
| 1552 | |
| 1553 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1554 const char *sig, bool is_static, TRAPS) { | |
| 1555 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1556 // | |
| 1557 // The class should have been loaded (we have an instance of the class | |
| 1558 // passed in) so the method and signature should already be in the symbol | |
| 1559 // table. If they're not there, the method doesn't exist. | |
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1560 const char *name_to_probe = (name_str == NULL) |
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1561 ? vmSymbols::object_initializer_name()->as_C_string() |
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1562 : name_str; |
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1563 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1564 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1565 |
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1566 if (name == NULL || signature == NULL) { |
| 0 | 1567 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1568 } | |
| 1569 | |
| 1570 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1571 // primitive java.lang.Class | |
| 1572 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1573 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1574 } | |
| 1575 | |
| 1576 KlassHandle klass(THREAD, | |
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1577 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1578 |
| 1579 // Make sure class is linked and initialized before handing id's out to | |
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1580 // Method*s. |
| 6983 | 1581 klass()->initialize(CHECK_NULL); |
| 0 | 1582 |
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1583 Method* m; |
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1584 if (name == vmSymbols::object_initializer_name() || |
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1585 name == vmSymbols::class_initializer_name()) { |
| 0 | 1586 // Never search superclasses for constructors |
| 1587 if (klass->oop_is_instance()) { | |
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1588 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1589 } else { |
| 1590 m = NULL; | |
| 1591 } | |
| 1592 } else { | |
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1593 m = klass->lookup_method(name, signature); |
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1594 if (m == NULL && klass->oop_is_instance()) { |
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1595 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
| 0 | 1596 } |
| 1597 } | |
| 1598 if (m == NULL || (m->is_static() != is_static)) { | |
| 1599 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1600 } | |
| 1601 return m->jmethod_id(); | |
| 1602 } | |
| 1603 | |
| 1604 | |
| 1605 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1606 const char *name, const char *sig)) | |
| 1607 JNIWrapper("GetMethodID"); | |
| 4006 | 1608 #ifndef USDT2 |
| 0 | 1609 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1610 #else /* USDT2 */ |
| 1611 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1612 env, clazz, (char *) name, (char *) sig); | |
| 1613 #endif /* USDT2 */ | |
| 0 | 1614 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1615 #ifndef USDT2 |
| 0 | 1616 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1617 #else /* USDT2 */ |
| 1618 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1619 (uintptr_t) ret); | |
| 1620 #endif /* USDT2 */ | |
| 0 | 1621 return ret; |
| 1622 JNI_END | |
| 1623 | |
| 1624 | |
| 1625 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1626 const char *name, const char *sig)) | |
| 1627 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1628 #ifndef USDT2 |
| 0 | 1629 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1630 #else /* USDT2 */ |
| 1631 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1632 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1633 #endif /* USDT2 */ | |
| 0 | 1634 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1635 #ifndef USDT2 |
| 0 | 1636 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1637 #else /* USDT2 */ |
| 1638 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1639 (uintptr_t) ret); | |
| 1640 #endif /* USDT2 */ | |
| 0 | 1641 return ret; |
| 1642 JNI_END | |
| 1643 | |
| 1644 | |
| 1645 | |
| 1646 // | |
| 1647 // Calling Methods | |
| 1648 // | |
| 1649 | |
| 4006 | 1650 #ifndef USDT2 |
| 0 | 1651 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1652 \ | |
| 1653 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1654 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1655 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1656 \ | |
| 1657 JNI_ENTRY(ResultType, \ | |
| 1658 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1659 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1660 \ | |
| 4006 | 1661 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1662 ResultType ret = 0;\ |
| 1663 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1664 (const ResultType&)ret);\ | |
| 1665 \ | |
| 1666 va_list args; \ | |
| 1667 va_start(args, methodID); \ | |
| 1668 JavaValue jvalue(Tag); \ | |
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1669 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1670 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1671 va_end(args); \ | |
| 1672 ret = jvalue.get_##ResultType(); \ | |
| 1673 return ret;\ | |
| 1674 JNI_END \ | |
| 1675 \ | |
| 1676 \ | |
| 1677 JNI_ENTRY(ResultType, \ | |
| 1678 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1679 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1680 \ | |
| 4006 | 1681 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1682 ResultType ret = 0;\ |
| 1683 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1684 (const ResultType&)ret);\ | |
| 1685 \ | |
| 1686 JavaValue jvalue(Tag); \ | |
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1687 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1688 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1689 ret = jvalue.get_##ResultType(); \ | |
| 1690 return ret;\ | |
| 1691 JNI_END \ | |
| 1692 \ | |
| 1693 \ | |
| 1694 JNI_ENTRY(ResultType, \ | |
| 1695 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1696 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1697 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1698 ResultType ret = 0;\ |
| 1699 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1700 (const ResultType&)ret);\ | |
| 1701 \ | |
| 1702 JavaValue jvalue(Tag); \ | |
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1703 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1704 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1705 ret = jvalue.get_##ResultType(); \ | |
| 1706 return ret;\ | |
| 1707 JNI_END | |
| 1708 | |
| 1709 // the runtime type of subword integral basic types is integer | |
| 1710 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1711 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1712 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1713 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1714 | |
| 1715 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1716 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1717 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1718 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1719 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1720 | |
| 1721 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1722 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1723 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1724 | |
| 4006 | 1725 #else /* USDT2 */ |
| 1726 | |
| 1727 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1728 , EntryProbe, ReturnProbe) \ | |
| 1729 \ | |
| 1730 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1731 , ReturnProbe); \ | |
| 1732 \ | |
| 1733 JNI_ENTRY(ResultType, \ | |
| 1734 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1735 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1736 \ | |
| 1737 EntryProbe; \ | |
| 1738 ResultType ret = 0;\ | |
| 1739 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1740 (const ResultType&)ret);\ | |
| 1741 \ | |
| 1742 va_list args; \ | |
| 1743 va_start(args, methodID); \ | |
| 1744 JavaValue jvalue(Tag); \ | |
| 1745 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1746 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1747 va_end(args); \ | |
| 1748 ret = jvalue.get_##ResultType(); \ | |
| 1749 return ret;\ | |
| 1750 JNI_END | |
| 1751 | |
| 1752 // the runtime type of subword integral basic types is integer | |
| 1753 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1754 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1755 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1756 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1757 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1758 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1759 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1760 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1761 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1762 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1763 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1764 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1765 | |
| 1766 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1767 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1768 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1769 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1770 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1771 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1772 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1773 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1774 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1775 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1776 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1777 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1778 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1779 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1780 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1781 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1782 | |
| 1783 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1784 , EntryProbe, ReturnProbe) \ | |
| 1785 \ | |
| 1786 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1787 , ReturnProbe); \ | |
| 1788 \ | |
| 1789 JNI_ENTRY(ResultType, \ | |
| 1790 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1791 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1792 \ | |
| 1793 EntryProbe;\ | |
| 1794 ResultType ret = 0;\ | |
| 1795 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1796 (const ResultType&)ret);\ | |
| 1797 \ | |
| 1798 JavaValue jvalue(Tag); \ | |
| 1799 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1800 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1801 ret = jvalue.get_##ResultType(); \ | |
| 1802 return ret;\ | |
| 1803 JNI_END | |
| 1804 | |
| 1805 // the runtime type of subword integral basic types is integer | |
| 1806 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1807 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1808 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1809 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1810 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1811 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1812 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1813 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1814 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1815 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1816 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1817 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1818 | |
| 1819 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1820 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1821 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1822 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1823 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1824 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1825 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1826 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1827 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1828 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1829 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1830 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1831 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1832 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1833 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1834 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1835 | |
| 1836 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1837 , EntryProbe, ReturnProbe) \ | |
| 1838 \ | |
| 1839 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1840 , ReturnProbe); \ | |
| 1841 \ | |
| 1842 JNI_ENTRY(ResultType, \ | |
| 1843 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1844 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1845 EntryProbe; \ | |
| 1846 ResultType ret = 0;\ | |
| 1847 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1848 (const ResultType&)ret);\ | |
| 1849 \ | |
| 1850 JavaValue jvalue(Tag); \ | |
| 1851 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1852 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1853 ret = jvalue.get_##ResultType(); \ | |
| 1854 return ret;\ | |
| 1855 JNI_END | |
| 1856 | |
| 1857 // the runtime type of subword integral basic types is integer | |
| 1858 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1859 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1860 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1861 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1862 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1863 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1864 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1865 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1866 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1867 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1868 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1869 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1870 | |
| 1871 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1872 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1873 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1874 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1875 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1876 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1877 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1878 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1879 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1880 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1881 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1882 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1883 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1884 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1885 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1886 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1887 | |
| 1888 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1889 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1890 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1891 | |
| 1892 #endif /* USDT2 */ | |
| 1893 | |
| 0 | 1894 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1895 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1896 #ifndef USDT2 |
| 0 | 1897 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1898 #else /* USDT2 */ |
| 1899 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1900 env, obj, (uintptr_t) methodID); | |
| 1901 #endif /* USDT2 */ | |
| 0 | 1902 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1903 | |
| 1904 va_list args; | |
| 1905 va_start(args, methodID); | |
| 1906 JavaValue jvalue(T_VOID); | |
|
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1907 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1908 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1909 va_end(args); | |
| 1910 JNI_END | |
| 1911 | |
| 1912 | |
| 1913 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1914 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1915 #ifndef USDT2 |
| 0 | 1916 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1917 #else /* USDT2 */ |
| 1918 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1919 env, obj, (uintptr_t) methodID); | |
| 1920 #endif /* USDT2 */ | |
| 0 | 1921 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1922 | |
| 1923 JavaValue jvalue(T_VOID); | |
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1924 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1925 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1926 JNI_END | |
| 1927 | |
| 1928 | |
| 1929 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1930 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1931 #ifndef USDT2 |
| 0 | 1932 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1933 #else /* USDT2 */ |
| 1934 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1935 env, obj, (uintptr_t) methodID); | |
| 1936 #endif /* USDT2 */ | |
| 0 | 1937 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1938 | |
| 1939 JavaValue jvalue(T_VOID); | |
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1940 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1941 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1942 JNI_END | |
| 1943 | |
| 1944 | |
| 4006 | 1945 #ifndef USDT2 |
| 0 | 1946 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1947 \ | |
| 1948 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1949 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1950 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1951 \ | |
| 1952 JNI_ENTRY(ResultType, \ | |
| 1953 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1954 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1955 \ | |
| 1956 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1957 ResultType ret;\ | |
| 1958 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1959 (const ResultType&)ret);\ | |
| 1960 \ | |
| 1961 va_list args; \ | |
| 1962 va_start(args, methodID); \ | |
| 1963 JavaValue jvalue(Tag); \ | |
|
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1964 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1965 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1966 va_end(args); \ | |
| 1967 ret = jvalue.get_##ResultType(); \ | |
| 1968 return ret;\ | |
| 1969 JNI_END \ | |
| 1970 \ | |
| 1971 JNI_ENTRY(ResultType, \ | |
| 1972 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1973 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 1974 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 1975 ResultType ret;\ | |
| 1976 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1977 (const ResultType&)ret);\ | |
| 1978 \ | |
| 1979 JavaValue jvalue(Tag); \ | |
|
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1980 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1981 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1982 ret = jvalue.get_##ResultType(); \ | |
| 1983 return ret;\ | |
| 1984 JNI_END \ | |
| 1985 \ | |
| 1986 JNI_ENTRY(ResultType, \ | |
| 1987 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 1988 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 1989 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 1990 ResultType ret;\ | |
| 1991 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 1992 (const ResultType&)ret);\ | |
| 1993 \ | |
| 1994 JavaValue jvalue(Tag); \ | |
|
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1995 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1996 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1997 ret = jvalue.get_##ResultType(); \ | |
| 1998 return ret;\ | |
| 1999 JNI_END | |
| 2000 | |
| 2001 // the runtime type of subword integral basic types is integer | |
| 2002 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2003 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2004 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2005 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2006 | |
| 2007 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2008 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2009 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2010 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2011 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2012 | |
| 2013 | |
| 2014 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2015 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2016 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2017 | |
| 4006 | 2018 #else /* USDT2 */ |
| 2019 | |
| 2020 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2021 , EntryProbe, ReturnProbe) \ | |
| 2022 \ | |
| 2023 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2024 , ReturnProbe);\ | |
| 2025 \ | |
| 2026 JNI_ENTRY(ResultType, \ | |
| 2027 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2028 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2029 \ | |
| 2030 EntryProbe;\ | |
| 2031 ResultType ret;\ | |
| 2032 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2033 (const ResultType&)ret);\ | |
| 2034 \ | |
| 2035 va_list args; \ | |
| 2036 va_start(args, methodID); \ | |
| 2037 JavaValue jvalue(Tag); \ | |
| 2038 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2039 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2040 va_end(args); \ | |
| 2041 ret = jvalue.get_##ResultType(); \ | |
| 2042 return ret;\ | |
| 2043 JNI_END | |
| 2044 | |
| 2045 // the runtime type of subword integral basic types is integer | |
| 2046 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2047 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2048 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2049 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2050 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2051 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2052 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2053 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2054 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2055 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2056 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2057 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2058 | |
| 2059 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2060 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2061 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2062 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2063 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2064 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2065 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2066 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2067 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2068 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2069 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2070 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2071 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2072 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2073 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2074 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2075 | |
| 2076 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2077 , EntryProbe, ReturnProbe) \ | |
| 2078 \ | |
| 2079 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2080 , ReturnProbe);\ | |
| 2081 \ | |
| 2082 JNI_ENTRY(ResultType, \ | |
| 2083 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2084 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2085 \ | |
| 2086 EntryProbe;\ | |
| 2087 ResultType ret;\ | |
| 2088 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2089 (const ResultType&)ret);\ | |
| 2090 \ | |
| 2091 JavaValue jvalue(Tag); \ | |
| 2092 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2093 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2094 ret = jvalue.get_##ResultType(); \ | |
| 2095 return ret;\ | |
| 2096 JNI_END | |
| 2097 | |
| 2098 // the runtime type of subword integral basic types is integer | |
| 2099 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2100 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2101 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2102 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2103 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2104 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2105 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2106 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2107 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2108 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2109 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2110 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2111 | |
| 2112 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2113 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2114 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2115 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2116 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2117 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2118 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2119 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2120 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2121 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2122 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2123 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2124 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2125 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2126 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2127 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2128 | |
| 2129 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2130 , EntryProbe, ReturnProbe) \ | |
| 2131 \ | |
| 2132 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2133 , ReturnProbe);\ | |
| 2134 \ | |
| 2135 JNI_ENTRY(ResultType, \ | |
| 2136 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2137 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2138 \ | |
| 2139 EntryProbe;\ | |
| 2140 ResultType ret;\ | |
| 2141 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2142 (const ResultType&)ret);\ | |
| 2143 \ | |
| 2144 JavaValue jvalue(Tag); \ | |
| 2145 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2146 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2147 ret = jvalue.get_##ResultType(); \ | |
| 2148 return ret;\ | |
| 2149 JNI_END | |
| 2150 | |
| 2151 // the runtime type of subword integral basic types is integer | |
| 2152 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2153 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2154 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2155 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2156 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2157 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2158 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2159 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2160 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2161 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2162 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2163 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2164 | |
| 2165 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2166 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2167 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2168 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2169 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2170 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2171 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2172 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2173 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2174 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2175 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2176 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2177 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2178 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2179 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2180 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2181 | |
| 2182 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2183 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2184 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2185 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2186 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2187 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2188 #endif /* USDT2 */ | |
| 2189 | |
| 0 | 2190 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2191 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2192 | |
| 4006 | 2193 #ifndef USDT2 |
| 0 | 2194 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2195 env, obj, cls, methodID); | |
| 4006 | 2196 #else /* USDT2 */ |
| 2197 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2198 env, obj, cls, (uintptr_t) methodID); | |
| 2199 #endif /* USDT2 */ | |
| 0 | 2200 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2201 | |
| 2202 va_list args; | |
| 2203 va_start(args, methodID); | |
| 2204 JavaValue jvalue(T_VOID); | |
|
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2205 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2206 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2207 va_end(args); | |
| 2208 JNI_END | |
| 2209 | |
| 2210 | |
| 2211 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2212 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2213 | |
| 4006 | 2214 #ifndef USDT2 |
| 0 | 2215 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2216 env, obj, cls, methodID); | |
| 4006 | 2217 #else /* USDT2 */ |
| 2218 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2219 env, obj, cls, (uintptr_t) methodID); | |
| 2220 #endif /* USDT2 */ | |
| 0 | 2221 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2222 | |
| 2223 JavaValue jvalue(T_VOID); | |
|
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2224 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2225 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2226 JNI_END | |
| 2227 | |
| 2228 | |
| 2229 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2230 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2231 #ifndef USDT2 |
| 0 | 2232 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2233 env, obj, cls, methodID); | |
| 4006 | 2234 #else /* USDT2 */ |
| 2235 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2236 env, obj, cls, (uintptr_t) methodID); | |
| 2237 #endif /* USDT2 */ | |
| 0 | 2238 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2239 JavaValue jvalue(T_VOID); | |
|
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2240 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2241 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2242 JNI_END | |
| 2243 | |
| 2244 | |
| 4006 | 2245 #ifndef USDT2 |
| 0 | 2246 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2247 \ | |
| 2248 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2249 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2250 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2251 \ | |
| 2252 JNI_ENTRY(ResultType, \ | |
| 2253 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2254 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2255 \ | |
| 2256 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2257 ResultType ret = 0;\ | |
| 2258 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2259 (const ResultType&)ret);\ | |
| 2260 \ | |
| 2261 va_list args; \ | |
| 2262 va_start(args, methodID); \ | |
| 2263 JavaValue jvalue(Tag); \ | |
|
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2264 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2265 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2266 va_end(args); \ | |
| 2267 ret = jvalue.get_##ResultType(); \ | |
| 2268 return ret;\ | |
| 2269 JNI_END \ | |
| 2270 \ | |
| 2271 JNI_ENTRY(ResultType, \ | |
| 2272 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2273 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2274 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2275 ResultType ret = 0;\ | |
| 2276 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2277 (const ResultType&)ret);\ | |
| 2278 \ | |
| 2279 JavaValue jvalue(Tag); \ | |
|
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2280 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2281 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2282 ret = jvalue.get_##ResultType(); \ | |
| 2283 return ret;\ | |
| 2284 JNI_END \ | |
| 2285 \ | |
| 2286 JNI_ENTRY(ResultType, \ | |
| 2287 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2288 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2289 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2290 ResultType ret = 0;\ | |
| 2291 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2292 (const ResultType&)ret);\ | |
| 2293 \ | |
| 2294 JavaValue jvalue(Tag); \ | |
|
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2295 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2296 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2297 ret = jvalue.get_##ResultType(); \ | |
| 2298 return ret;\ | |
| 2299 JNI_END | |
| 2300 | |
| 2301 // the runtime type of subword integral basic types is integer | |
| 2302 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2303 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2304 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2305 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2306 | |
| 2307 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2308 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2309 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2310 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2311 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2312 | |
| 2313 | |
| 2314 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2315 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2316 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2317 | |
| 4006 | 2318 #else /* USDT2 */ |
| 2319 | |
| 2320 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2321 , EntryProbe, ResultProbe) \ | |
| 2322 \ | |
| 2323 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2324 , ResultProbe); \ | |
| 2325 \ | |
| 2326 JNI_ENTRY(ResultType, \ | |
| 2327 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2328 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2329 \ | |
| 2330 EntryProbe; \ | |
| 2331 ResultType ret = 0;\ | |
| 2332 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2333 (const ResultType&)ret);\ | |
| 2334 \ | |
| 2335 va_list args; \ | |
| 2336 va_start(args, methodID); \ | |
| 2337 JavaValue jvalue(Tag); \ | |
| 2338 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2339 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2340 va_end(args); \ | |
| 2341 ret = jvalue.get_##ResultType(); \ | |
| 2342 return ret;\ | |
| 2343 JNI_END | |
| 2344 | |
| 2345 // the runtime type of subword integral basic types is integer | |
| 2346 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2347 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2348 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2349 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2350 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2351 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2352 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2353 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2354 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2355 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2356 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2357 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2358 | |
| 2359 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2360 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2361 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2362 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2363 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2364 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2365 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2366 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2367 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2368 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2369 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2370 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2371 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2372 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2373 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2374 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2375 | |
| 2376 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2377 , EntryProbe, ResultProbe) \ | |
| 2378 \ | |
| 2379 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2380 , ResultProbe); \ | |
| 2381 \ | |
| 2382 JNI_ENTRY(ResultType, \ | |
| 2383 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2384 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2385 \ | |
| 2386 EntryProbe; \ | |
| 2387 ResultType ret = 0;\ | |
| 2388 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2389 (const ResultType&)ret);\ | |
| 2390 \ | |
| 2391 JavaValue jvalue(Tag); \ | |
| 2392 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2393 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
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2394 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2395 k()->initialize(CHECK_0); \ |
| 4006 | 2396 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2397 va_end(args); \ | |
| 2398 ret = jvalue.get_##ResultType(); \ | |
| 2399 return ret;\ | |
| 2400 JNI_END | |
| 2401 | |
| 2402 // the runtime type of subword integral basic types is integer | |
| 2403 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2404 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2405 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2406 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2407 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2408 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2409 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2410 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2411 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2412 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2413 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2414 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2415 | |
| 2416 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2417 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2418 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2419 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2420 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2421 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2422 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2423 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2424 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2425 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2426 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2427 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2428 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2429 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2430 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2431 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2432 | |
| 2433 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2434 , EntryProbe, ResultProbe) \ | |
| 2435 \ | |
| 2436 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2437 , ResultProbe); \ | |
| 2438 \ | |
| 2439 JNI_ENTRY(ResultType, \ | |
| 2440 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2441 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2442 \ | |
| 2443 EntryProbe; \ | |
| 2444 ResultType ret = 0;\ | |
| 2445 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2446 (const ResultType&)ret);\ | |
| 2447 \ | |
| 2448 JavaValue jvalue(Tag); \ | |
| 2449 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2450 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2451 ret = jvalue.get_##ResultType(); \ | |
| 2452 return ret;\ | |
| 2453 JNI_END | |
| 2454 | |
| 2455 // the runtime type of subword integral basic types is integer | |
| 2456 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2457 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2458 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2459 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2460 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2461 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2462 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2463 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2464 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2465 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2466 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2467 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2468 | |
| 2469 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2470 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2471 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2472 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2473 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2474 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2475 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2476 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2477 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2478 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2479 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2480 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2481 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2482 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2483 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2484 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2485 | |
| 2486 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2487 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2488 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2489 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2490 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2491 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2492 #endif /* USDT2 */ | |
| 2493 | |
| 0 | 2494 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2495 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2496 #ifndef USDT2 |
| 0 | 2497 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2498 #else /* USDT2 */ |
| 2499 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2500 env, cls, (uintptr_t) methodID); | |
| 2501 #endif /* USDT2 */ | |
| 0 | 2502 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2503 | |
| 2504 va_list args; | |
| 2505 va_start(args, methodID); | |
| 2506 JavaValue jvalue(T_VOID); | |
|
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|
2507 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2508 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2509 va_end(args); | |
| 2510 JNI_END | |
| 2511 | |
| 2512 | |
| 2513 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2514 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2515 #ifndef USDT2 |
| 0 | 2516 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2517 #else /* USDT2 */ |
| 2518 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2519 env, cls, (uintptr_t) methodID); | |
| 2520 #endif /* USDT2 */ | |
| 0 | 2521 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2522 | |
| 2523 JavaValue jvalue(T_VOID); | |
|
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|
2524 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2525 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2526 JNI_END | |
| 2527 | |
| 2528 | |
| 2529 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2530 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2531 #ifndef USDT2 |
| 0 | 2532 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2533 #else /* USDT2 */ |
| 2534 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2535 env, cls, (uintptr_t) methodID); | |
| 2536 #endif /* USDT2 */ | |
| 0 | 2537 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2538 | |
| 2539 JavaValue jvalue(T_VOID); | |
|
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|
2540 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2541 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2542 JNI_END | |
| 2543 | |
| 2544 | |
| 2545 // | |
| 2546 // Accessing Fields | |
| 2547 // | |
| 2548 | |
| 2549 | |
| 4006 | 2550 #ifndef USDT2 |
| 0 | 2551 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2552 #else /* USDT2 */ |
| 2553 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2554 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2555 #endif /* USDT2 */ | |
| 0 | 2556 |
| 2557 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2558 const char *name, const char *sig)) | |
| 2559 JNIWrapper("GetFieldID"); | |
| 4006 | 2560 #ifndef USDT2 |
| 0 | 2561 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2562 #else /* USDT2 */ |
| 2563 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2564 env, clazz, (char *) name, (char *) sig); | |
| 2565 #endif /* USDT2 */ | |
| 0 | 2566 jfieldID ret = 0; |
| 2567 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2568 | |
| 2569 // The class should have been loaded (we have an instance of the class | |
| 2570 // passed in) so the field and signature should already be in the symbol | |
| 2571 // table. If they're not there, the field doesn't exist. | |
|
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2572 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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|
2573 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2574 if (fieldname == NULL || signame == NULL) { |
| 0 | 2575 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2576 } | |
| 2577 KlassHandle k(THREAD, | |
|
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2578 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2579 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2580 k()->initialize(CHECK_NULL); |
| 0 | 2581 |
| 2582 fieldDescriptor fd; | |
| 6983 | 2583 if (!k()->oop_is_instance() || |
|
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|
2584 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2585 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2586 } | |
| 2587 | |
| 2588 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2589 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2590 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2591 return ret; | |
| 2592 JNI_END | |
| 2593 | |
| 2594 | |
| 2595 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2596 JNIWrapper("GetObjectField"); | |
| 4006 | 2597 #ifndef USDT2 |
| 0 | 2598 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2599 #else /* USDT2 */ |
| 2600 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2601 env, obj, (uintptr_t) fieldID); | |
| 2602 #endif /* USDT2 */ | |
| 0 | 2603 oop o = JNIHandles::resolve_non_null(obj); |
|
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|
2604 Klass* k = o->klass(); |
| 0 | 2605 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2606 // Keep JVMTI addition small and only check enabled flag here. | |
| 2607 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2608 if (JvmtiExport::should_post_field_access()) { | |
| 2609 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2610 } | |
| 2611 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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|
2612 #if INCLUDE_ALL_GCS |
|
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2613 // If G1 is enabled and we are accessing the value of the referent |
|
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|
2614 // field in a reference object then we need to register a non-null |
|
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|
2615 // referent with the SATB barrier. |
|
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|
2616 if (UseG1GC) { |
|
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|
2617 bool needs_barrier = false; |
|
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|
2618 |
|
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|
2619 if (ret != NULL && |
|
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|
2620 offset == java_lang_ref_Reference::referent_offset && |
|
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2621 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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|
2622 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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2623 needs_barrier = true; |
|
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2624 } |
|
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|
2625 |
|
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|
2626 if (needs_barrier) { |
|
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|
2627 oop referent = JNIHandles::resolve(ret); |
|
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|
2628 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2629 } |
|
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|
2630 } |
|
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|
2631 #endif // INCLUDE_ALL_GCS |
| 4006 | 2632 #ifndef USDT2 |
| 0 | 2633 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2634 #else /* USDT2 */ |
| 2635 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2636 ret); | |
| 2637 #endif /* USDT2 */ | |
| 0 | 2638 return ret; |
| 2639 JNI_END | |
| 2640 | |
| 2641 | |
| 4006 | 2642 #ifndef USDT2 |
| 0 | 2643 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2644 \ | |
| 2645 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2646 \ | |
| 2647 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2648 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2649 \ | |
| 2650 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2651 Return ret = 0;\ | |
| 2652 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2653 \ | |
| 2654 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2655 Klass* k = o->klass(); \ |
| 0 | 2656 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2657 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2658 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2659 /* and creates a ResetNoHandleMark. */ \ | |
| 2660 if (JvmtiExport::should_post_field_access()) { \ | |
| 2661 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2662 } \ | |
| 2663 ret = o->Fieldname##_field(offset); \ | |
| 2664 return ret; \ | |
| 2665 JNI_END | |
| 2666 | |
| 2667 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2668 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2669 DEFINE_GETFIELD(jchar, char, Char) | |
| 2670 DEFINE_GETFIELD(jshort, short, Short) | |
| 2671 DEFINE_GETFIELD(jint, int, Int) | |
| 2672 DEFINE_GETFIELD(jlong, long, Long) | |
| 2673 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2674 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2675 | |
| 4006 | 2676 #else /* USDT2 */ |
| 2677 | |
| 2678 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2679 , EntryProbe, ReturnProbe) \ | |
| 2680 \ | |
| 2681 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2682 , ReturnProbe); \ | |
| 2683 \ | |
| 2684 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2685 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2686 \ | |
| 2687 EntryProbe; \ | |
| 2688 Return ret = 0;\ | |
| 2689 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2690 \ | |
| 2691 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2692 Klass* k = o->klass(); \ |
| 4006 | 2693 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2694 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2695 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2696 /* and creates a ResetNoHandleMark. */ \ | |
| 2697 if (JvmtiExport::should_post_field_access()) { \ | |
| 2698 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2699 } \ | |
| 2700 ret = o->Fieldname##_field(offset); \ | |
| 2701 return ret; \ | |
| 2702 JNI_END | |
| 2703 | |
| 2704 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2705 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2706 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2707 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2708 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2709 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2710 DEFINE_GETFIELD(jchar, char, Char | |
| 2711 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2712 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2713 DEFINE_GETFIELD(jshort, short, Short | |
| 2714 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2715 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2716 DEFINE_GETFIELD(jint, int, Int | |
| 2717 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2718 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2719 DEFINE_GETFIELD(jlong, long, Long | |
| 2720 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2721 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2722 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2723 DEFINE_GETFIELD(jfloat, float, Float | |
| 2724 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2725 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2726 DEFINE_GETFIELD(jdouble, double, Double | |
| 2727 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2728 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2729 #endif /* USDT2 */ | |
| 2730 | |
| 0 | 2731 address jni_GetBooleanField_addr() { |
| 2732 return (address)jni_GetBooleanField; | |
| 2733 } | |
| 2734 address jni_GetByteField_addr() { | |
| 2735 return (address)jni_GetByteField; | |
| 2736 } | |
| 2737 address jni_GetCharField_addr() { | |
| 2738 return (address)jni_GetCharField; | |
| 2739 } | |
| 2740 address jni_GetShortField_addr() { | |
| 2741 return (address)jni_GetShortField; | |
| 2742 } | |
| 2743 address jni_GetIntField_addr() { | |
| 2744 return (address)jni_GetIntField; | |
| 2745 } | |
| 2746 address jni_GetLongField_addr() { | |
| 2747 return (address)jni_GetLongField; | |
| 2748 } | |
| 2749 address jni_GetFloatField_addr() { | |
| 2750 return (address)jni_GetFloatField; | |
| 2751 } | |
| 2752 address jni_GetDoubleField_addr() { | |
| 2753 return (address)jni_GetDoubleField; | |
| 2754 } | |
| 2755 | |
| 2756 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2757 JNIWrapper("SetObjectField"); | |
| 4006 | 2758 #ifndef USDT2 |
| 0 | 2759 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2760 #else /* USDT2 */ |
| 2761 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2762 env, obj, (uintptr_t) fieldID, value); | |
| 2763 #endif /* USDT2 */ | |
| 0 | 2764 oop o = JNIHandles::resolve_non_null(obj); |
|
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2765 Klass* k = o->klass(); |
| 0 | 2766 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2767 // Keep JVMTI addition small and only check enabled flag here. | |
| 2768 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2769 // and creates a ResetNoHandleMark. | |
| 2770 if (JvmtiExport::should_post_field_modification()) { | |
| 2771 jvalue field_value; | |
| 2772 field_value.l = value; | |
| 2773 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2774 } | |
| 2775 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2776 #ifndef USDT2 |
| 0 | 2777 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2778 #else /* USDT2 */ |
| 2779 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2780 ); | |
| 2781 #endif /* USDT2 */ | |
| 0 | 2782 JNI_END |
| 2783 | |
| 4006 | 2784 #ifndef USDT2 |
| 0 | 2785 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2786 \ | |
| 2787 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2788 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2789 \ | |
|
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|
2790 FP_SELECT_##Result( \ |
|
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|
2791 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
|
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diff
changeset
|
2792 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2793 \ |
| 2794 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2795 Klass* k = o->klass(); \ |
| 0 | 2796 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2797 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2798 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2799 /* and creates a ResetNoHandleMark. */ \ | |
| 2800 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2801 jvalue field_value; \ | |
| 2802 field_value.unionType = value; \ | |
| 2803 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2804 } \ | |
| 2805 o->Fieldname##_field_put(offset, value); \ | |
| 2806 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2807 JNI_END | |
| 2808 | |
| 2809 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2810 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2811 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2812 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2813 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2814 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2815 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2816 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2817 | |
| 4006 | 2818 #else /* USDT2 */ |
| 2819 | |
| 2820 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2821 , EntryProbe, ReturnProbe) \ | |
| 2822 \ | |
| 2823 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2824 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2825 \ | |
| 2826 EntryProbe; \ | |
| 2827 \ | |
| 2828 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2829 Klass* k = o->klass(); \ |
| 4006 | 2830 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2831 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2832 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2833 /* and creates a ResetNoHandleMark. */ \ | |
| 2834 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2835 jvalue field_value; \ | |
| 2836 field_value.unionType = value; \ | |
| 2837 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2838 } \ | |
| 2839 o->Fieldname##_field_put(offset, value); \ | |
| 2840 ReturnProbe; \ | |
| 2841 JNI_END | |
| 2842 | |
| 2843 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2844 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2845 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2846 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2847 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2848 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2849 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2850 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2851 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2852 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2853 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2854 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2855 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2856 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2857 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2858 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2859 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2860 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2861 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2862 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2863 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2864 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2865 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2866 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2867 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2868 #endif /* USDT2 */ | |
| 2869 | |
| 2870 #ifndef USDT2 | |
| 0 | 2871 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2872 #else /* USDT2 */ |
| 2873 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2874 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2875 #endif /* USDT2 */ | |
| 0 | 2876 |
| 2877 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2878 JNIWrapper("ToReflectedField"); | |
| 4006 | 2879 #ifndef USDT2 |
| 0 | 2880 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2881 env, cls, fieldID, isStatic); | |
| 4006 | 2882 #else /* USDT2 */ |
| 2883 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2884 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2885 #endif /* USDT2 */ | |
| 0 | 2886 jobject ret = NULL; |
| 2887 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2888 | |
| 2889 fieldDescriptor fd; | |
| 2890 bool found = false; | |
|
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|
2891 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2892 |
| 2893 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2894 | |
| 2895 if (isStatic) { | |
|
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|
2896 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2897 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2898 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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|
2899 found = id->find_local_field(&fd); |
| 0 | 2900 } else { |
| 2901 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2902 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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|
2903 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2904 } |
| 2905 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2906 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2907 ret = JNIHandles::make_local(env, reflected); | |
| 2908 return ret; | |
| 2909 JNI_END | |
| 2910 | |
| 2911 | |
| 2912 // | |
| 2913 // Accessing Static Fields | |
| 2914 // | |
| 4006 | 2915 #ifndef USDT2 |
| 0 | 2916 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2917 #else /* USDT2 */ |
| 2918 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2919 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2920 #endif /* USDT2 */ | |
| 0 | 2921 |
| 2922 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2923 const char *name, const char *sig)) | |
| 2924 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2925 #ifndef USDT2 |
| 0 | 2926 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2927 #else /* USDT2 */ |
| 2928 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2929 env, clazz, (char *) name, (char *) sig); | |
| 2930 #endif /* USDT2 */ | |
| 0 | 2931 jfieldID ret = NULL; |
| 2932 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2933 | |
| 2934 // The class should have been loaded (we have an instance of the class | |
| 2935 // passed in) so the field and signature should already be in the symbol | |
| 2936 // table. If they're not there, the field doesn't exist. | |
|
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1989
diff
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|
2937 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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changeset
|
2938 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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diff
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|
2939 if (fieldname == NULL || signame == NULL) { |
| 0 | 2940 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2941 } | |
| 2942 KlassHandle k(THREAD, | |
|
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|
2943 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2944 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2945 k()->initialize(CHECK_NULL); |
| 0 | 2946 |
| 2947 fieldDescriptor fd; | |
| 6983 | 2948 if (!k()->oop_is_instance() || |
|
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|
2949 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2950 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2951 } | |
| 2952 | |
|
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|
2953 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
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|
2954 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2955 debug_only(id->set_is_static_field_id();) |
| 2956 | |
|
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|
2957 debug_only(id->verify(fd.field_holder())); |
| 0 | 2958 |
| 2959 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2960 return ret; | |
| 2961 JNI_END | |
| 2962 | |
| 2963 | |
| 2964 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2965 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2966 #ifndef USDT2 |
| 0 | 2967 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2968 #else /* USDT2 */ |
| 2969 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 2970 env, clazz, (uintptr_t) fieldID); | |
| 2971 #endif /* USDT2 */ | |
|
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|
2972 #if INCLUDE_JNI_CHECK |
|
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|
2973 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
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|
2974 #endif // INCLUDE_JNI_CHECK |
| 0 | 2975 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2976 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2977 // Keep JVMTI addition small and only check enabled flag here. | |
| 2978 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2979 if (JvmtiExport::should_post_field_access()) { | |
| 2980 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 2981 } | |
|
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|
2982 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 2983 #ifndef USDT2 |
| 0 | 2984 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 2985 #else /* USDT2 */ |
| 2986 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 2987 ret); | |
| 2988 #endif /* USDT2 */ | |
| 0 | 2989 return ret; |
| 2990 JNI_END | |
| 2991 | |
| 4006 | 2992 #ifndef USDT2 |
| 0 | 2993 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 2994 \ | |
| 2995 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 2996 \ | |
| 2997 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 2998 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 2999 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3000 Return ret = 0;\ | |
| 3001 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3002 (const Return&)ret);\ | |
| 3003 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3004 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3005 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3006 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3007 if (JvmtiExport::should_post_field_access()) { \ | |
| 3008 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3009 } \ | |
|
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|
3010 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3011 return ret;\ |
| 3012 JNI_END | |
| 3013 | |
| 3014 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3015 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3016 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3017 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3018 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3019 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3020 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3021 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3022 | |
| 4006 | 3023 #else /* USDT2 */ |
| 3024 | |
| 3025 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3026 , EntryProbe, ReturnProbe) \ | |
| 3027 \ | |
| 3028 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3029 , ReturnProbe); \ | |
| 3030 \ | |
| 3031 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3032 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3033 EntryProbe; \ | |
| 3034 Return ret = 0;\ | |
| 3035 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3036 (const Return&)ret);\ | |
| 3037 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3038 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3039 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3040 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3041 if (JvmtiExport::should_post_field_access()) { \ | |
| 3042 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3043 } \ | |
| 3044 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3045 return ret;\ | |
| 3046 JNI_END | |
| 3047 | |
| 3048 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3049 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3050 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3051 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3052 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3053 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3054 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3055 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3056 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3057 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3058 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3059 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3060 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3061 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3062 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3063 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3064 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3065 #endif /* USDT2 */ | |
| 0 | 3066 |
| 3067 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3068 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3069 #ifndef USDT2 |
| 0 | 3070 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3071 #else /* USDT2 */ |
| 3072 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3073 env, clazz, (uintptr_t) fieldID, value); | |
| 3074 #endif /* USDT2 */ | |
| 0 | 3075 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3076 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3077 // Keep JVMTI addition small and only check enabled flag here. | |
| 3078 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3079 if (JvmtiExport::should_post_field_modification()) { | |
| 3080 jvalue field_value; | |
| 3081 field_value.l = value; | |
| 3082 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3083 } | |
|
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|
3084 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3085 #ifndef USDT2 |
| 0 | 3086 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3087 #else /* USDT2 */ |
| 3088 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3089 ); | |
| 3090 #endif /* USDT2 */ | |
| 0 | 3091 JNI_END |
| 3092 | |
| 3093 | |
| 4006 | 3094 #ifndef USDT2 |
| 0 | 3095 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3096 \ | |
| 3097 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3098 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
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|
3099 FP_SELECT_##Result( \ |
|
75982791ddb6
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|
3100 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
|
75982791ddb6
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|
3101 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3102 \ |
| 3103 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3104 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3105 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3106 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3107 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3108 jvalue field_value; \ | |
| 3109 field_value.unionType = value; \ | |
| 3110 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3111 } \ | |
|
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|
3112 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3113 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3114 JNI_END | |
| 3115 | |
| 3116 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3117 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3118 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3119 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3120 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3121 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3122 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3123 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3124 | |
| 4006 | 3125 #else /* USDT2 */ |
| 3126 | |
| 3127 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3128 , EntryProbe, ReturnProbe) \ | |
| 3129 \ | |
| 3130 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3131 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3132 EntryProbe; \ | |
| 3133 \ | |
| 3134 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3135 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3136 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3137 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3138 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3139 jvalue field_value; \ | |
| 3140 field_value.unionType = value; \ | |
| 3141 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3142 } \ | |
| 3143 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3144 ReturnProbe;\ | |
| 3145 JNI_END | |
| 3146 | |
| 3147 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3148 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3149 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3150 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3151 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3152 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3153 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3154 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3155 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3156 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3157 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3158 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3159 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3160 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3161 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3162 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3163 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3164 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3165 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3166 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3167 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3168 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3169 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3170 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3171 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3172 #endif /* USDT2 */ | |
| 0 | 3173 |
| 3174 // | |
| 3175 // String Operations | |
| 3176 // | |
| 3177 | |
| 3178 // Unicode Interface | |
| 3179 | |
| 4006 | 3180 #ifndef USDT2 |
| 0 | 3181 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3182 #else /* USDT2 */ |
| 3183 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3184 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3185 #endif /* USDT2 */ | |
| 0 | 3186 |
| 3187 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3188 JNIWrapper("NewString"); | |
| 4006 | 3189 #ifndef USDT2 |
| 0 | 3190 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3191 #else /* USDT2 */ |
| 3192 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3193 env, (uint16_t *) unicodeChars, len); | |
| 3194 #endif /* USDT2 */ | |
| 0 | 3195 jstring ret = NULL; |
| 3196 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3197 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3198 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3199 return ret; | |
| 3200 JNI_END | |
| 3201 | |
| 3202 | |
| 3203 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3204 JNIWrapper("GetStringLength"); | |
| 4006 | 3205 #ifndef USDT2 |
| 0 | 3206 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3207 #else /* USDT2 */ |
| 3208 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3209 env, string); | |
| 3210 #endif /* USDT2 */ | |
|
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3211 jsize ret = 0; |
|
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|
3212 oop s = JNIHandles::resolve_non_null(string); |
|
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|
3213 if (java_lang_String::value(s) != NULL) { |
|
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|
3214 ret = java_lang_String::length(s); |
|
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|
3215 } |
| 4006 | 3216 #ifndef USDT2 |
| 0 | 3217 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3218 #else /* USDT2 */ |
| 3219 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3220 ret); | |
| 3221 #endif /* USDT2 */ | |
| 0 | 3222 return ret; |
| 3223 JNI_END | |
| 3224 | |
| 3225 | |
| 3226 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3227 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3228 JNIWrapper("GetStringChars"); | |
| 4006 | 3229 #ifndef USDT2 |
| 0 | 3230 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3231 #else /* USDT2 */ |
| 3232 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3233 env, string, (uintptr_t *) isCopy); | |
| 3234 #endif /* USDT2 */ | |
|
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|
3235 jchar* buf = NULL; |
| 0 | 3236 oop s = JNIHandles::resolve_non_null(string); |
| 3237 typeArrayOop s_value = java_lang_String::value(s); | |
|
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3238 if (s_value != NULL) { |
|
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|
3239 int s_len = java_lang_String::length(s); |
|
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|
3240 int s_offset = java_lang_String::offset(s); |
|
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|
3241 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
|
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|
3242 /* JNI Specification states return NULL on OOM */ |
|
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|
3243 if (buf != NULL) { |
|
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|
3244 if (s_len > 0) { |
|
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|
3245 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
|
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|
3246 } |
|
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|
3247 buf[s_len] = 0; |
|
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|
3248 //%note jni_5 |
|
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|
3249 if (isCopy != NULL) { |
|
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|
3250 *isCopy = JNI_TRUE; |
|
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|
3251 } |
|
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3252 } |
| 0 | 3253 } |
| 4006 | 3254 #ifndef USDT2 |
| 0 | 3255 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3256 #else /* USDT2 */ |
| 3257 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3258 buf); | |
| 3259 #endif /* USDT2 */ | |
| 0 | 3260 return buf; |
| 3261 JNI_END | |
| 3262 | |
| 3263 | |
| 3264 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3265 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3266 #ifndef USDT2 |
| 0 | 3267 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3268 #else /* USDT2 */ |
| 3269 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3270 env, str, (uint16_t *) chars); | |
| 3271 #endif /* USDT2 */ | |
| 0 | 3272 //%note jni_6 |
| 3273 if (chars != NULL) { | |
| 3274 // Since String objects are supposed to be immutable, don't copy any | |
| 3275 // new data back. A bad user will have to go after the char array. | |
| 3276 FreeHeap((void*) chars); | |
| 3277 } | |
| 4006 | 3278 #ifndef USDT2 |
| 0 | 3279 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3280 #else /* USDT2 */ |
| 3281 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3282 ); | |
| 3283 #endif /* USDT2 */ | |
| 0 | 3284 JNI_END |
| 3285 | |
| 3286 | |
| 3287 // UTF Interface | |
| 3288 | |
| 4006 | 3289 #ifndef USDT2 |
| 0 | 3290 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3291 #else /* USDT2 */ |
| 3292 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3293 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3294 #endif /* USDT2 */ | |
| 0 | 3295 |
| 3296 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3297 JNIWrapper("NewStringUTF"); | |
| 4006 | 3298 #ifndef USDT2 |
| 0 | 3299 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3300 #else /* USDT2 */ |
| 3301 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3302 env, (char *) bytes); | |
| 3303 #endif /* USDT2 */ | |
| 0 | 3304 jstring ret; |
| 3305 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3306 | |
| 3307 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3308 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3309 return ret; | |
| 3310 JNI_END | |
| 3311 | |
| 3312 | |
| 3313 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3314 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3315 #ifndef USDT2 |
| 0 | 3316 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3317 #else /* USDT2 */ |
| 3318 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3319 env, string); | |
| 3320 #endif /* USDT2 */ | |
|
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3321 jsize ret = 0; |
|
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3322 oop java_string = JNIHandles::resolve_non_null(string); |
|
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3323 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3324 ret = java_lang_String::utf8_length(java_string); |
|
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|
3325 } |
| 4006 | 3326 #ifndef USDT2 |
| 0 | 3327 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3328 #else /* USDT2 */ |
| 3329 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3330 ret); | |
| 3331 #endif /* USDT2 */ | |
| 0 | 3332 return ret; |
| 3333 JNI_END | |
| 3334 | |
| 3335 | |
| 3336 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3337 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3338 #ifndef USDT2 |
| 0 | 3339 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3340 #else /* USDT2 */ |
| 3341 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3342 env, string, (uintptr_t *) isCopy); | |
| 3343 #endif /* USDT2 */ | |
|
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|
3344 char* result = NULL; |
|
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|
3345 oop java_string = JNIHandles::resolve_non_null(string); |
|
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3346 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3347 size_t length = java_lang_String::utf8_length(java_string); |
|
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|
3348 /* JNI Specification states return NULL on OOM */ |
|
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|
3349 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
|
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|
3350 if (result != NULL) { |
|
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|
3351 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
|
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|
3352 if (isCopy != NULL) { |
|
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|
3353 *isCopy = JNI_TRUE; |
|
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|
3354 } |
|
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|
3355 } |
|
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|
3356 } |
| 4006 | 3357 #ifndef USDT2 |
| 0 | 3358 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3359 #else /* USDT2 */ |
| 3360 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3361 result); | |
| 3362 #endif /* USDT2 */ | |
| 0 | 3363 return result; |
| 3364 JNI_END | |
| 3365 | |
| 3366 | |
| 3367 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3368 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3369 #ifndef USDT2 |
| 0 | 3370 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3371 #else /* USDT2 */ |
| 3372 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3373 env, str, (char *) chars); | |
| 3374 #endif /* USDT2 */ | |
| 0 | 3375 if (chars != NULL) { |
| 3376 FreeHeap((char*) chars); | |
| 3377 } | |
| 4006 | 3378 #ifndef USDT2 |
| 0 | 3379 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3380 #else /* USDT2 */ |
| 3381 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3382 ); | |
| 3383 #endif /* USDT2 */ | |
| 0 | 3384 JNI_END |
| 3385 | |
| 3386 | |
| 3387 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3388 JNIWrapper("GetArrayLength"); | |
| 4006 | 3389 #ifndef USDT2 |
| 0 | 3390 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3391 #else /* USDT2 */ |
| 3392 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3393 env, array); | |
| 3394 #endif /* USDT2 */ | |
| 0 | 3395 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3396 assert(a->is_array(), "must be array"); | |
| 3397 jsize ret = a->length(); | |
| 4006 | 3398 #ifndef USDT2 |
| 0 | 3399 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3400 #else /* USDT2 */ |
| 3401 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3402 ret); | |
| 3403 #endif /* USDT2 */ | |
| 0 | 3404 return ret; |
| 3405 JNI_END | |
| 3406 | |
| 3407 | |
| 3408 // | |
| 3409 // Object Array Operations | |
| 3410 // | |
| 3411 | |
| 4006 | 3412 #ifndef USDT2 |
| 0 | 3413 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3414 #else /* USDT2 */ |
| 3415 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3416 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3417 #endif /* USDT2 */ | |
| 0 | 3418 |
| 3419 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3420 JNIWrapper("NewObjectArray"); | |
| 4006 | 3421 #ifndef USDT2 |
| 0 | 3422 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3423 #else /* USDT2 */ |
| 3424 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3425 env, length, elementClass, initialElement); | |
| 3426 #endif /* USDT2 */ | |
| 0 | 3427 jobjectArray ret = NULL; |
| 3428 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
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|
3429 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3430 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3431 KlassHandle ak = KlassHandle(THREAD, ako); |
|
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|
3432 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
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|
3433 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3434 oop initial_value = JNIHandles::resolve(initialElement); |
| 3435 if (initial_value != NULL) { // array already initialized with NULL | |
| 3436 for (int index = 0; index < length; index++) { | |
| 3437 result->obj_at_put(index, initial_value); | |
| 3438 } | |
| 3439 } | |
| 3440 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3441 return ret; | |
| 3442 JNI_END | |
| 3443 | |
| 4006 | 3444 #ifndef USDT2 |
| 0 | 3445 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3446 #else /* USDT2 */ |
| 3447 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3448 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3449 #endif /* USDT2 */ | |
| 0 | 3450 |
| 3451 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3452 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3453 #ifndef USDT2 |
| 0 | 3454 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3455 #else /* USDT2 */ |
| 3456 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3457 env, array, index); | |
| 3458 #endif /* USDT2 */ | |
| 0 | 3459 jobject ret = NULL; |
| 3460 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3461 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3462 if (a->is_within_bounds(index)) { | |
|
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diff
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|
3463 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3464 return ret; |
| 3465 } else { | |
| 3466 char buf[jintAsStringSize]; | |
| 3467 sprintf(buf, "%d", index); | |
| 3468 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3469 } | |
| 3470 JNI_END | |
| 3471 | |
| 4006 | 3472 #ifndef USDT2 |
| 0 | 3473 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3474 #else /* USDT2 */ |
| 3475 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3476 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3477 #endif /* USDT2 */ | |
| 0 | 3478 |
| 3479 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3480 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3481 #ifndef USDT2 |
| 0 | 3482 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3483 #else /* USDT2 */ |
| 3484 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3485 env, array, index, value); | |
| 3486 #endif /* USDT2 */ | |
| 0 | 3487 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3488 | |
| 3489 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3490 oop v = JNIHandles::resolve(value); | |
| 3491 if (a->is_within_bounds(index)) { | |
|
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|
3492 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3493 a->obj_at_put(index, v); |
| 3494 } else { | |
| 3495 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3496 } | |
| 3497 } else { | |
| 3498 char buf[jintAsStringSize]; | |
| 3499 sprintf(buf, "%d", index); | |
| 3500 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3501 } | |
| 3502 JNI_END | |
| 3503 | |
| 3504 | |
| 4006 | 3505 #ifndef USDT2 |
| 0 | 3506 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3507 \ | |
| 4006 | 3508 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3509 \ |
| 3510 JNI_ENTRY(Return, \ | |
| 3511 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3512 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3513 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3514 Return ret = NULL;\ | |
|
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|
3515 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3516 \ |
| 3517 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3518 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3519 return ret;\ | |
| 3520 JNI_END | |
| 3521 | |
| 3522 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3523 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3524 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3525 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3526 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3527 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3528 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3529 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3530 | |
| 4006 | 3531 #else /* USDT2 */ |
| 3532 | |
| 3533 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3534 ,EntryProbe,ReturnProbe) \ | |
| 3535 \ | |
| 3536 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3537 , ReturnProbe); \ | |
| 3538 \ | |
| 3539 JNI_ENTRY(Return, \ | |
| 3540 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3541 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3542 EntryProbe; \ | |
| 3543 Return ret = NULL;\ | |
| 3544 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3545 \ | |
| 3546 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3547 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3548 return ret;\ | |
| 3549 JNI_END | |
| 3550 | |
| 3551 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3552 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3553 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3554 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3555 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3556 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3557 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3558 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3559 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3560 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3561 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3562 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3563 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3564 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3565 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3566 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3567 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3568 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3569 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3570 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3571 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3572 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3573 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3574 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3575 #endif /* USDT2 */ | |
| 0 | 3576 |
| 3577 // Return an address which will fault if the caller writes to it. | |
| 3578 | |
| 3579 static char* get_bad_address() { | |
| 3580 static char* bad_address = NULL; | |
| 3581 if (bad_address == NULL) { | |
| 3582 size_t size = os::vm_allocation_granularity(); | |
| 3583 bad_address = os::reserve_memory(size); | |
| 3584 if (bad_address != NULL) { | |
|
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237
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|
3585 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
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|
3586 /*is_committed*/false); |
| 0 | 3587 } |
| 3588 } | |
| 3589 return bad_address; | |
| 3590 } | |
| 3591 | |
| 3592 | |
| 4006 | 3593 #ifndef USDT2 |
| 0 | 3594 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3595 \ | |
| 3596 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3597 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3598 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3599 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3600 /* allocate an chunk of memory in c land */ \ | |
| 3601 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3602 ElementType* result; \ | |
| 3603 int len = a->length(); \ | |
| 3604 if (len == 0) { \ | |
| 3605 /* Empty array: legal but useless, can't return NULL. \ | |
| 3606 * Return a pointer to something useless. \ | |
| 3607 * Avoid asserts in typeArrayOop. */ \ | |
| 3608 result = (ElementType*)get_bad_address(); \ | |
| 3609 } else { \ | |
|
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|
3610 /* JNI Specification states return NULL on OOM */ \ |
|
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3611 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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3612 if (result != NULL) { \ |
|
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|
3613 /* copy the array to the c chunk */ \ |
|
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|
3614 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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3615 if (isCopy) { \ |
|
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|
3616 *isCopy = JNI_TRUE; \ |
|
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|
3617 } \ |
|
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|
3618 } \ |
| 0 | 3619 } \ |
| 3620 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3621 return result; \ | |
| 3622 JNI_END | |
| 3623 | |
| 3624 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3625 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3626 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3627 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3628 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3629 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3630 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3631 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3632 | |
| 4006 | 3633 #else /* USDT2 */ |
| 3634 | |
| 3635 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3636 , EntryProbe, ReturnProbe) \ | |
| 3637 \ | |
| 3638 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3639 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3640 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3641 EntryProbe; \ | |
| 3642 /* allocate an chunk of memory in c land */ \ | |
| 3643 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3644 ElementType* result; \ | |
| 3645 int len = a->length(); \ | |
| 3646 if (len == 0) { \ | |
| 3647 /* Empty array: legal but useless, can't return NULL. \ | |
| 3648 * Return a pointer to something useless. \ | |
| 3649 * Avoid asserts in typeArrayOop. */ \ | |
| 3650 result = (ElementType*)get_bad_address(); \ | |
| 3651 } else { \ | |
|
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3652 /* JNI Specification states return NULL on OOM */ \ |
|
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|
3653 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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|
3654 if (result != NULL) { \ |
|
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|
3655 /* copy the array to the c chunk */ \ |
|
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|
3656 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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3657 if (isCopy) { \ |
|
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|
3658 *isCopy = JNI_TRUE; \ |
|
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|
3659 } \ |
|
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|
3660 } \ |
| 4006 | 3661 } \ |
| 3662 ReturnProbe; \ | |
| 3663 return result; \ | |
| 3664 JNI_END | |
| 3665 | |
| 3666 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3667 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3668 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3669 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3670 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3671 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3672 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3673 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3674 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3675 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3676 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3677 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3678 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3679 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3680 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3681 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3682 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3683 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3684 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3685 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3686 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3687 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3688 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3689 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3690 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3691 #endif /* USDT2 */ | |
| 3692 | |
| 3693 #ifndef USDT2 | |
| 0 | 3694 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3695 \ | |
| 3696 JNI_QUICK_ENTRY(void, \ | |
| 3697 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3698 ElementType *buf, jint mode)) \ | |
| 3699 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3700 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3701 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3702 int len = a->length(); \ | |
| 3703 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3704 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3705 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3706 } \ | |
| 3707 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3708 FreeHeap(buf); \ | |
| 3709 } \ | |
| 3710 } \ | |
| 3711 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3712 JNI_END | |
| 3713 | |
| 3714 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3721 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3722 | |
| 4006 | 3723 #else /* USDT2 */ |
| 3724 | |
| 3725 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3726 , EntryProbe, ReturnProbe);\ | |
| 3727 \ | |
| 3728 JNI_QUICK_ENTRY(void, \ | |
| 3729 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3730 ElementType *buf, jint mode)) \ | |
| 3731 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3732 EntryProbe; \ | |
| 3733 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3734 int len = a->length(); \ | |
| 3735 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3736 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3737 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3738 } \ | |
| 3739 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3740 FreeHeap(buf); \ | |
| 3741 } \ | |
| 3742 } \ | |
| 3743 ReturnProbe; \ | |
| 3744 JNI_END | |
| 3745 | |
| 3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3747 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3748 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3750 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3751 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3752 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3753 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3754 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3755 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3756 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3757 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3758 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3759 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3760 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3761 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3762 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3763 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3764 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3765 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3766 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3767 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3768 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3769 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3770 #endif /* USDT2 */ | |
| 3771 | |
| 3772 #ifndef USDT2 | |
| 0 | 3773 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3774 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3775 \ | |
| 3776 JNI_ENTRY(void, \ | |
| 3777 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3778 jsize len, ElementType *buf)) \ | |
| 3779 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3780 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3781 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3782 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3783 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3784 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3785 } else { \ | |
| 3786 if (len > 0) { \ | |
|
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|
3787 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3788 memcpy((u_char*) buf, \ |
| 3789 (u_char*) src->Tag##_at_addr(start), \ | |
| 3790 len << sc); \ | |
| 3791 } \ | |
| 3792 } \ | |
| 3793 JNI_END | |
| 3794 | |
| 3795 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3796 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3797 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3798 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3799 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3800 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3801 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3802 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3803 | |
| 4006 | 3804 #else /* USDT2 */ |
| 3805 | |
| 3806 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3807 , EntryProbe, ReturnProbe); \ | |
| 3808 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3809 , ReturnProbe); \ | |
| 3810 \ | |
| 3811 JNI_ENTRY(void, \ | |
| 3812 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3813 jsize len, ElementType *buf)) \ | |
| 3814 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3815 EntryProbe; \ | |
| 3816 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3817 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3818 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3819 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3820 } else { \ | |
| 3821 if (len > 0) { \ | |
|
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|
3822 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3823 memcpy((u_char*) buf, \ |
| 3824 (u_char*) src->Tag##_at_addr(start), \ | |
| 3825 len << sc); \ | |
| 3826 } \ | |
| 3827 } \ | |
| 3828 JNI_END | |
| 3829 | |
| 3830 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3831 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3832 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3833 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3834 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3835 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3836 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3837 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3838 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3839 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3840 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3841 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3842 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3843 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3844 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3845 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3846 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3847 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3848 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3849 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3850 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3851 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3852 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3853 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3854 #endif /* USDT2 */ | |
| 3855 | |
| 3856 #ifndef USDT2 | |
| 0 | 3857 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3858 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3859 \ | |
| 3860 JNI_ENTRY(void, \ | |
| 3861 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3862 jsize len, const ElementType *buf)) \ | |
| 3863 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3864 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3865 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3866 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3867 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3868 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3869 } else { \ | |
| 3870 if (len > 0) { \ | |
|
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|
3871 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3872 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3873 (u_char*) buf, \ | |
| 3874 len << sc); \ | |
| 3875 } \ | |
| 3876 } \ | |
| 3877 JNI_END | |
| 3878 | |
| 3879 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3880 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3881 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3882 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3883 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3884 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3885 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3886 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3887 | |
| 4006 | 3888 #else /* USDT2 */ |
| 3889 | |
| 3890 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3891 , EntryProbe, ReturnProbe); \ | |
| 3892 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3893 ,ReturnProbe); \ | |
| 3894 \ | |
| 3895 JNI_ENTRY(void, \ | |
| 3896 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3897 jsize len, const ElementType *buf)) \ | |
| 3898 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3899 EntryProbe; \ | |
| 3900 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3901 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3902 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3903 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3904 } else { \ | |
| 3905 if (len > 0) { \ | |
|
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|
3906 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3907 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3908 (u_char*) buf, \ | |
| 3909 len << sc); \ | |
| 3910 } \ | |
| 3911 } \ | |
| 3912 JNI_END | |
| 3913 | |
| 3914 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3915 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3916 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3917 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3918 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3919 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3920 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3921 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3922 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3923 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3924 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3925 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3926 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3927 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3928 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3929 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3930 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3931 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3932 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3933 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3934 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3935 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3936 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3937 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3938 #endif /* USDT2 */ | |
| 3939 | |
| 0 | 3940 |
| 3941 // | |
| 3942 // Interception of natives | |
| 3943 // | |
| 3944 | |
| 3945 // The RegisterNatives call being attempted tried to register with a method that | |
| 3946 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3947 // to see if the native method is now wrapped with the prefixes. See the | |
| 3948 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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3949 static Method* find_prefixed_native(KlassHandle k, |
|
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|
3950 Symbol* name, Symbol* signature, TRAPS) { |
|
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3951 #if INCLUDE_JVMTI |
| 0 | 3952 ResourceMark rm(THREAD); |
|
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3953 Method* method; |
| 0 | 3954 int name_len = name->utf8_length(); |
| 3955 char* name_str = name->as_utf8(); | |
| 3956 int prefix_count; | |
| 3957 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3958 for (int i = 0; i < prefix_count; i++) { | |
| 3959 char* prefix = prefixes[i]; | |
| 3960 int prefix_len = (int)strlen(prefix); | |
| 3961 | |
| 3962 // try adding this prefix to the method name and see if it matches another method name | |
| 3963 int trial_len = name_len + prefix_len; | |
| 3964 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3965 strcpy(trial_name_str, prefix); | |
| 3966 strcat(trial_name_str, name_str); | |
|
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3967 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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|
3968 if (trial_name == NULL) { |
| 0 | 3969 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3970 } | |
| 6983 | 3971 method = k()->lookup_method(trial_name, signature); |
| 0 | 3972 if (method == NULL) { |
| 3973 continue; // signature doesn't match, try the next prefix | |
| 3974 } | |
| 3975 if (method->is_native()) { | |
| 3976 method->set_is_prefixed_native(); | |
| 3977 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3978 } | |
| 3979 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3980 name_len = trial_len; | |
| 3981 name_str = trial_name_str; | |
| 3982 } | |
|
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|
3983 #endif // INCLUDE_JVMTI |
| 0 | 3984 return NULL; // not found |
| 3985 } | |
| 3986 | |
|
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|
3987 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 3988 Method* method = k()->lookup_method(name, signature); |
| 0 | 3989 if (method == NULL) { |
| 3990 ResourceMark rm; | |
| 3991 stringStream st; | |
| 3992 st.print("Method %s name or signature does not match", | |
| 6983 | 3993 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3994 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3995 } | |
| 3996 if (!method->is_native()) { | |
| 3997 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 3998 method = find_prefixed_native(k, name, signature, THREAD); | |
| 3999 if (method == NULL) { | |
| 4000 ResourceMark rm; | |
| 4001 stringStream st; | |
| 4002 st.print("Method %s is not declared as native", | |
| 6983 | 4003 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4004 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4005 } | |
| 4006 } | |
| 4007 | |
| 4008 if (entry != NULL) { | |
| 4009 method->set_native_function(entry, | |
|
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4010 Method::native_bind_event_is_interesting); |
| 0 | 4011 } else { |
| 4012 method->clear_native_function(); | |
| 4013 } | |
| 4014 if (PrintJNIResolving) { | |
| 4015 ResourceMark rm(THREAD); | |
| 4016 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
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|
4017 method->method_holder()->external_name(), |
| 0 | 4018 method->name()->as_C_string()); |
| 4019 } | |
| 4020 return true; | |
| 4021 } | |
| 4022 | |
| 4006 | 4023 #ifndef USDT2 |
| 0 | 4024 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4025 #else /* USDT2 */ |
| 4026 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4027 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4028 #endif /* USDT2 */ | |
| 0 | 4029 |
| 4030 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4031 const JNINativeMethod *methods, | |
| 4032 jint nMethods)) | |
| 4033 JNIWrapper("RegisterNatives"); | |
| 4006 | 4034 #ifndef USDT2 |
| 0 | 4035 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4036 #else /* USDT2 */ |
| 4037 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4038 env, clazz, (void *) methods, nMethods); | |
| 4039 #endif /* USDT2 */ | |
| 0 | 4040 jint ret = 0; |
| 4041 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4042 | |
|
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4043 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4044 |
| 4045 for (int index = 0; index < nMethods; index++) { | |
| 4046 const char* meth_name = methods[index].name; | |
| 4047 const char* meth_sig = methods[index].signature; | |
| 4048 int meth_name_len = (int)strlen(meth_name); | |
| 4049 | |
| 4050 // The class should have been loaded (we have an instance of the class | |
| 4051 // passed in) so the method and signature should already be in the symbol | |
| 4052 // table. If they're not there, the method doesn't exist. | |
|
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|
4053 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
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diff
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|
4054 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
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|
4055 |
|
3582bf76420e
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|
4056 if (name == NULL || signature == NULL) { |
| 0 | 4057 ResourceMark rm; |
| 4058 stringStream st; | |
| 6983 | 4059 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4060 // Must return negative value on failure |
| 4061 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4062 } | |
| 4063 | |
| 4064 bool res = register_native(h_k, name, signature, | |
| 4065 (address) methods[index].fnPtr, THREAD); | |
| 4066 if (!res) { | |
| 4067 ret = -1; | |
| 4068 break; | |
| 4069 } | |
| 4070 } | |
| 4071 return ret; | |
| 4072 JNI_END | |
| 4073 | |
| 4074 | |
| 4075 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4076 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4077 #ifndef USDT2 |
| 0 | 4078 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4079 #else /* USDT2 */ |
| 4080 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4081 env, clazz); | |
| 4082 #endif /* USDT2 */ | |
|
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|
4083 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4084 //%note jni_2 |
| 6983 | 4085 if (k->oop_is_instance()) { |
|
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|
4086 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
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|
4087 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4088 if (m->is_native()) { |
| 4089 m->clear_native_function(); | |
| 4090 m->set_signature_handler(NULL); | |
| 4091 } | |
| 4092 } | |
| 4093 } | |
| 4006 | 4094 #ifndef USDT2 |
| 0 | 4095 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4096 #else /* USDT2 */ |
| 4097 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4098 0); | |
| 4099 #endif /* USDT2 */ | |
| 0 | 4100 return 0; |
| 4101 JNI_END | |
| 4102 | |
| 4103 // | |
| 4104 // Monitor functions | |
| 4105 // | |
| 4106 | |
| 4006 | 4107 #ifndef USDT2 |
| 0 | 4108 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4109 #else /* USDT2 */ |
| 4110 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4111 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4112 #endif /* USDT2 */ | |
| 0 | 4113 |
| 4114 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4115 #ifndef USDT2 |
| 0 | 4116 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4117 #else /* USDT2 */ |
| 4118 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4119 env, jobj); | |
| 4120 #endif /* USDT2 */ | |
| 0 | 4121 jint ret = JNI_ERR; |
| 4122 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4123 | |
| 4124 // If the object is null, we can't do anything with it | |
| 4125 if (jobj == NULL) { | |
| 4126 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4127 } | |
| 4128 | |
| 4129 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4130 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4131 ret = JNI_OK; | |
| 4132 return ret; | |
| 4133 JNI_END | |
| 4134 | |
| 4006 | 4135 #ifndef USDT2 |
| 0 | 4136 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4137 #else /* USDT2 */ |
| 4138 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4139 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4140 #endif /* USDT2 */ | |
| 0 | 4141 |
| 4142 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4143 #ifndef USDT2 |
| 0 | 4144 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4145 #else /* USDT2 */ |
| 4146 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4147 env, jobj); | |
| 4148 #endif /* USDT2 */ | |
| 0 | 4149 jint ret = JNI_ERR; |
| 4150 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4151 | |
| 4152 // Don't do anything with a null object | |
| 4153 if (jobj == NULL) { | |
| 4154 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4155 } | |
| 4156 | |
| 4157 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4158 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4159 | |
| 4160 ret = JNI_OK; | |
| 4161 return ret; | |
| 4162 JNI_END | |
| 4163 | |
| 4164 // | |
| 4165 // Extensions | |
| 4166 // | |
| 4167 | |
| 4006 | 4168 #ifndef USDT2 |
| 0 | 4169 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4170 #else /* USDT2 */ |
| 4171 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4172 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4173 #endif /* USDT2 */ | |
| 0 | 4174 |
| 4175 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4176 JNIWrapper("GetStringRegion"); | |
| 4006 | 4177 #ifndef USDT2 |
| 0 | 4178 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4179 #else /* USDT2 */ |
| 4180 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4181 env, string, start, len, buf); | |
| 4182 #endif /* USDT2 */ | |
| 0 | 4183 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4184 oop s = JNIHandles::resolve_non_null(string); | |
| 4185 int s_len = java_lang_String::length(s); | |
| 4186 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4187 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4188 } else { | |
| 4189 if (len > 0) { | |
| 4190 int s_offset = java_lang_String::offset(s); | |
| 4191 typeArrayOop s_value = java_lang_String::value(s); | |
| 4192 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4193 } | |
| 4194 } | |
| 4195 JNI_END | |
| 4196 | |
| 4006 | 4197 #ifndef USDT2 |
| 0 | 4198 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4199 #else /* USDT2 */ |
| 4200 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4201 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4202 #endif /* USDT2 */ | |
| 0 | 4203 |
| 4204 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4205 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4206 #ifndef USDT2 |
| 0 | 4207 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4208 #else /* USDT2 */ |
| 4209 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4210 env, string, start, len, buf); | |
| 4211 #endif /* USDT2 */ | |
| 0 | 4212 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4213 oop s = JNIHandles::resolve_non_null(string); | |
| 4214 int s_len = java_lang_String::length(s); | |
| 4215 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4216 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4217 } else { | |
| 4218 //%note jni_7 | |
| 4219 if (len > 0) { | |
| 4220 ResourceMark rm(THREAD); | |
| 4221 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4222 int utf_len = (int)strlen(utf_region); | |
| 4223 memcpy(buf, utf_region, utf_len); | |
| 4224 buf[utf_len] = 0; | |
| 4225 } else { | |
| 4226 // JDK null-terminates the buffer even in len is zero | |
| 4227 if (buf != NULL) { | |
| 4228 buf[0] = 0; | |
| 4229 } | |
| 4230 } | |
| 4231 } | |
| 4232 JNI_END | |
| 4233 | |
| 4234 | |
| 4235 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4236 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4237 #ifndef USDT2 |
| 0 | 4238 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4239 #else /* USDT2 */ |
| 4240 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4241 env, array, (uintptr_t *) isCopy); | |
| 4242 #endif /* USDT2 */ | |
| 0 | 4243 GC_locker::lock_critical(thread); |
| 4244 if (isCopy != NULL) { | |
| 4245 *isCopy = JNI_FALSE; | |
| 4246 } | |
| 4247 oop a = JNIHandles::resolve_non_null(array); | |
| 4248 assert(a->is_array(), "just checking"); | |
| 4249 BasicType type; | |
| 4250 if (a->is_objArray()) { | |
| 4251 type = T_OBJECT; | |
| 4252 } else { | |
|
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|
4253 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4254 } |
| 4255 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4256 #ifndef USDT2 |
| 0 | 4257 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4258 #else /* USDT2 */ |
| 4259 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4260 ret); | |
| 4261 #endif /* USDT2 */ | |
| 0 | 4262 return ret; |
| 4263 JNI_END | |
| 4264 | |
| 4265 | |
| 4266 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4267 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4268 #ifndef USDT2 |
| 0 | 4269 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4270 #else /* USDT2 */ |
| 4271 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4272 env, array, carray, mode); | |
| 4273 #endif /* USDT2 */ | |
| 0 | 4274 // The array, carray and mode arguments are ignored |
| 4275 GC_locker::unlock_critical(thread); | |
| 4006 | 4276 #ifndef USDT2 |
| 0 | 4277 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4278 #else /* USDT2 */ |
| 4279 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4280 ); | |
| 4281 #endif /* USDT2 */ | |
| 0 | 4282 JNI_END |
| 4283 | |
| 4284 | |
| 4285 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4286 JNIWrapper("GetStringCritical"); | |
| 4006 | 4287 #ifndef USDT2 |
| 0 | 4288 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4289 #else /* USDT2 */ |
| 4290 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4291 env, string, (uintptr_t *) isCopy); | |
| 4292 #endif /* USDT2 */ | |
| 0 | 4293 GC_locker::lock_critical(thread); |
| 4294 if (isCopy != NULL) { | |
| 4295 *isCopy = JNI_FALSE; | |
| 4296 } | |
| 4297 oop s = JNIHandles::resolve_non_null(string); | |
| 4298 int s_len = java_lang_String::length(s); | |
| 4299 typeArrayOop s_value = java_lang_String::value(s); | |
| 4300 int s_offset = java_lang_String::offset(s); | |
| 4301 const jchar* ret; | |
| 4302 if (s_len > 0) { | |
| 4303 ret = s_value->char_at_addr(s_offset); | |
| 4304 } else { | |
| 4305 ret = (jchar*) s_value->base(T_CHAR); | |
| 4306 } | |
| 4006 | 4307 #ifndef USDT2 |
| 0 | 4308 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4309 #else /* USDT2 */ |
| 4310 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4311 (uint16_t *) ret); | |
| 4312 #endif /* USDT2 */ | |
| 0 | 4313 return ret; |
| 4314 JNI_END | |
| 4315 | |
| 4316 | |
| 4317 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4318 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4319 #ifndef USDT2 |
| 0 | 4320 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4321 #else /* USDT2 */ |
| 4322 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4323 env, str, (uint16_t *) chars); | |
| 4324 #endif /* USDT2 */ | |
| 0 | 4325 // The str and chars arguments are ignored |
| 4326 GC_locker::unlock_critical(thread); | |
| 4006 | 4327 #ifndef USDT2 |
| 0 | 4328 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4329 #else /* USDT2 */ |
| 4330 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4331 ); | |
| 4332 #endif /* USDT2 */ | |
| 0 | 4333 JNI_END |
| 4334 | |
| 4335 | |
| 4336 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4337 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4338 #ifndef USDT2 |
| 0 | 4339 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4340 #else /* USDT2 */ |
| 4341 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4342 env, ref); | |
| 4343 #endif /* USDT2 */ | |
| 0 | 4344 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4345 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4346 #ifndef USDT2 |
| 0 | 4347 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4348 #else /* USDT2 */ |
| 4349 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4350 ret); | |
| 4351 #endif /* USDT2 */ | |
| 0 | 4352 return ret; |
| 4353 JNI_END | |
| 4354 | |
| 4355 // Must be JNI_ENTRY (with HandleMark) | |
| 4356 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4357 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4358 #ifndef USDT2 |
| 0 | 4359 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4360 #else /* USDT2 */ |
| 4361 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4362 env, ref); | |
| 4363 #endif /* USDT2 */ | |
| 0 | 4364 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4365 #ifndef USDT2 |
| 0 | 4366 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4367 #else /* USDT2 */ |
| 4368 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4369 ); | |
| 4370 #endif /* USDT2 */ | |
| 0 | 4371 JNI_END |
| 4372 | |
| 4373 | |
| 4374 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4375 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4376 #ifndef USDT2 |
| 0 | 4377 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4378 #else /* USDT2 */ |
| 4379 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4380 env); | |
| 4381 #endif /* USDT2 */ | |
| 0 | 4382 jni_check_async_exceptions(thread); |
| 4383 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4384 #ifndef USDT2 |
| 0 | 4385 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4386 #else /* USDT2 */ |
| 4387 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4388 ret); | |
| 4389 #endif /* USDT2 */ | |
| 0 | 4390 return ret; |
| 4391 JNI_END | |
| 4392 | |
| 4393 | |
| 4394 // Initialization state for three routines below relating to | |
| 4395 // java.nio.DirectBuffers | |
| 4396 static jint directBufferSupportInitializeStarted = 0; | |
| 4397 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4398 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4399 static jclass bufferClass = NULL; | |
| 4400 static jclass directBufferClass = NULL; | |
| 4401 static jclass directByteBufferClass = NULL; | |
| 4402 static jmethodID directByteBufferConstructor = NULL; | |
| 4403 static jfieldID directBufferAddressField = NULL; | |
| 4404 static jfieldID bufferCapacityField = NULL; | |
| 4405 | |
| 4406 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4407 Handle loader; // null (bootstrap) loader | |
| 4408 Handle protection_domain; // null protection domain | |
| 4409 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4410 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4411 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4412 |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4413 if (TraceClassResolution && result != NULL) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4414 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
715dceaa89b7
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parents:
579
diff
changeset
|
4415 } |
|
715dceaa89b7
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parents:
579
diff
changeset
|
4416 return result; |
| 0 | 4417 } |
| 4418 | |
| 4419 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4420 // circumvent any security checks that would be done by jni_FindClass. | |
| 4421 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4422 { | |
| 4423 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4424 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4425 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4426 return true; | |
| 4427 } | |
| 4428 JNI_END | |
| 4429 | |
| 4430 | |
| 4431 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4432 if (directBufferSupportInitializeFailed) { | |
| 4433 return false; | |
| 4434 } | |
| 4435 | |
| 4436 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4437 if (!lookupDirectBufferClasses(env)) { | |
| 4438 directBufferSupportInitializeFailed = 1; | |
| 4439 return false; | |
| 4440 } | |
| 4441 | |
| 4442 // Make global references for these | |
| 4443 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4444 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4445 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4446 | |
| 4447 // Get needed field and method IDs | |
| 4448 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4449 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4450 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4451 | |
| 4452 if ((directByteBufferConstructor == NULL) || | |
| 4453 (directBufferAddressField == NULL) || | |
| 4454 (bufferCapacityField == NULL)) { | |
| 4455 directBufferSupportInitializeFailed = 1; | |
| 4456 return false; | |
| 4457 } | |
| 4458 | |
| 4459 directBufferSupportInitializeEnded = 1; | |
| 4460 } else { | |
| 4461 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4462 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4463 // os::sleep which requires the VM state transition. On other platforms, it |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4464 // is not necessary. The following call to change the VM state is purposely |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4465 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
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xlu
parents:
477
diff
changeset
|
4466 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
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parents:
477
diff
changeset
|
4467 ThreadInVMfromNative tivn(thread); |
| 0 | 4468 os::yield_all(); |
| 4469 } | |
| 4470 } | |
| 4471 | |
| 4472 return !directBufferSupportInitializeFailed; | |
| 4473 } | |
| 4474 | |
| 4475 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4476 { | |
| 4477 // thread_from_jni_environment() will block if VM is gone. | |
| 4478 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4479 | |
| 4480 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4481 #ifndef USDT2 |
| 0 | 4482 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4483 #else /* USDT2 */ |
| 4484 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4485 env, address, capacity); | |
| 4486 #endif /* USDT2 */ | |
| 0 | 4487 |
| 4488 if (!directBufferSupportInitializeEnded) { | |
| 4489 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4490 #ifndef USDT2 |
| 0 | 4491 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4492 #else /* USDT2 */ |
| 4493 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4494 NULL); | |
| 4495 #endif /* USDT2 */ | |
| 0 | 4496 return NULL; |
| 4497 } | |
| 4498 } | |
| 4499 | |
| 4500 // Being paranoid about accidental sign extension on address | |
| 4501 jlong addr = (jlong) ((uintptr_t) address); | |
| 4502 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4503 // takes int capacity | |
| 4504 jint cap = (jint) capacity; | |
| 4505 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4506 #ifndef USDT2 |
| 0 | 4507 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4508 #else /* USDT2 */ |
| 4509 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4510 ret); | |
| 4511 #endif /* USDT2 */ | |
| 0 | 4512 return ret; |
| 4513 } | |
| 4514 | |
| 4006 | 4515 #ifndef USDT2 |
| 0 | 4516 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4517 #else /* USDT2 */ |
| 4518 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4519 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4520 #endif /* USDT2 */ | |
| 0 | 4521 |
| 4522 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4523 { | |
| 4524 // thread_from_jni_environment() will block if VM is gone. | |
| 4525 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4526 | |
| 4527 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4528 #ifndef USDT2 |
| 0 | 4529 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4530 #else /* USDT2 */ |
| 4531 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4532 env, buf); | |
| 4533 #endif /* USDT2 */ | |
| 0 | 4534 void* ret = NULL; |
| 4535 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4536 | |
| 4537 if (!directBufferSupportInitializeEnded) { | |
| 4538 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4539 return 0; | |
| 4540 } | |
| 4541 } | |
| 4542 | |
| 4543 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4544 return 0; | |
| 4545 } | |
| 4546 | |
| 4547 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4548 return ret; | |
| 4549 } | |
| 4550 | |
| 4006 | 4551 #ifndef USDT2 |
| 0 | 4552 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4553 #else /* USDT2 */ |
| 4554 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4555 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4556 #endif /* USDT2 */ | |
| 0 | 4557 |
| 4558 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4559 { | |
| 4560 // thread_from_jni_environment() will block if VM is gone. | |
| 4561 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4562 | |
| 4563 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4564 #ifndef USDT2 |
| 0 | 4565 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4566 #else /* USDT2 */ |
| 4567 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4568 env, buf); | |
| 4569 #endif /* USDT2 */ | |
| 0 | 4570 jlong ret = -1; |
| 4571 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4572 | |
| 4573 if (!directBufferSupportInitializeEnded) { | |
| 4574 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4575 ret = 0; | |
| 4576 return ret; | |
| 4577 } | |
| 4578 } | |
| 4579 | |
| 4580 if (buf == NULL) { | |
| 4581 return -1; | |
| 4582 } | |
| 4583 | |
| 4584 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4585 return -1; | |
| 4586 } | |
| 4587 | |
| 4588 // NOTE that capacity is currently an int in the implementation | |
| 4589 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4590 return ret; | |
| 4591 } | |
| 4592 | |
| 4593 | |
| 4594 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4595 JNIWrapper("GetVersion"); | |
| 4006 | 4596 #ifndef USDT2 |
| 0 | 4597 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4598 #else /* USDT2 */ |
| 4599 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4600 env); | |
| 4601 #endif /* USDT2 */ | |
| 4602 #ifndef USDT2 | |
| 0 | 4603 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4604 #else /* USDT2 */ |
| 4605 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4606 CurrentVersion); | |
| 4607 #endif /* USDT2 */ | |
| 0 | 4608 return CurrentVersion; |
| 4609 JNI_END | |
| 4610 | |
| 4611 extern struct JavaVM_ main_vm; | |
| 4612 | |
| 4613 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4614 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4615 #ifndef USDT2 |
| 0 | 4616 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4617 #else /* USDT2 */ |
| 4618 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4619 env, (void **) vm); | |
| 4620 #endif /* USDT2 */ | |
| 0 | 4621 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4622 #ifndef USDT2 |
| 0 | 4623 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4624 #else /* USDT2 */ |
| 4625 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4626 JNI_OK); | |
| 4627 #endif /* USDT2 */ | |
| 0 | 4628 return JNI_OK; |
| 4629 JNI_END | |
| 4630 | |
| 4631 // Structure containing all jni functions | |
| 4632 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4633 NULL, | |
| 4634 NULL, | |
| 4635 NULL, | |
| 4636 | |
| 4637 NULL, | |
| 4638 | |
| 4639 jni_GetVersion, | |
| 4640 | |
| 4641 jni_DefineClass, | |
| 4642 jni_FindClass, | |
| 4643 | |
| 4644 jni_FromReflectedMethod, | |
| 4645 jni_FromReflectedField, | |
| 4646 | |
| 4647 jni_ToReflectedMethod, | |
| 4648 | |
| 4649 jni_GetSuperclass, | |
| 4650 jni_IsAssignableFrom, | |
| 4651 | |
| 4652 jni_ToReflectedField, | |
| 4653 | |
| 4654 jni_Throw, | |
| 4655 jni_ThrowNew, | |
| 4656 jni_ExceptionOccurred, | |
| 4657 jni_ExceptionDescribe, | |
| 4658 jni_ExceptionClear, | |
| 4659 jni_FatalError, | |
| 4660 | |
| 4661 jni_PushLocalFrame, | |
| 4662 jni_PopLocalFrame, | |
| 4663 | |
| 4664 jni_NewGlobalRef, | |
| 4665 jni_DeleteGlobalRef, | |
| 4666 jni_DeleteLocalRef, | |
| 4667 jni_IsSameObject, | |
| 4668 | |
| 4669 jni_NewLocalRef, | |
| 4670 jni_EnsureLocalCapacity, | |
| 4671 | |
| 4672 jni_AllocObject, | |
| 4673 jni_NewObject, | |
| 4674 jni_NewObjectV, | |
| 4675 jni_NewObjectA, | |
| 4676 | |
| 4677 jni_GetObjectClass, | |
| 4678 jni_IsInstanceOf, | |
| 4679 | |
| 4680 jni_GetMethodID, | |
| 4681 | |
| 4682 jni_CallObjectMethod, | |
| 4683 jni_CallObjectMethodV, | |
| 4684 jni_CallObjectMethodA, | |
| 4685 jni_CallBooleanMethod, | |
| 4686 jni_CallBooleanMethodV, | |
| 4687 jni_CallBooleanMethodA, | |
| 4688 jni_CallByteMethod, | |
| 4689 jni_CallByteMethodV, | |
| 4690 jni_CallByteMethodA, | |
| 4691 jni_CallCharMethod, | |
| 4692 jni_CallCharMethodV, | |
| 4693 jni_CallCharMethodA, | |
| 4694 jni_CallShortMethod, | |
| 4695 jni_CallShortMethodV, | |
| 4696 jni_CallShortMethodA, | |
| 4697 jni_CallIntMethod, | |
| 4698 jni_CallIntMethodV, | |
| 4699 jni_CallIntMethodA, | |
| 4700 jni_CallLongMethod, | |
| 4701 jni_CallLongMethodV, | |
| 4702 jni_CallLongMethodA, | |
| 4703 jni_CallFloatMethod, | |
| 4704 jni_CallFloatMethodV, | |
| 4705 jni_CallFloatMethodA, | |
| 4706 jni_CallDoubleMethod, | |
| 4707 jni_CallDoubleMethodV, | |
| 4708 jni_CallDoubleMethodA, | |
| 4709 jni_CallVoidMethod, | |
| 4710 jni_CallVoidMethodV, | |
| 4711 jni_CallVoidMethodA, | |
| 4712 | |
| 4713 jni_CallNonvirtualObjectMethod, | |
| 4714 jni_CallNonvirtualObjectMethodV, | |
| 4715 jni_CallNonvirtualObjectMethodA, | |
| 4716 jni_CallNonvirtualBooleanMethod, | |
| 4717 jni_CallNonvirtualBooleanMethodV, | |
| 4718 jni_CallNonvirtualBooleanMethodA, | |
| 4719 jni_CallNonvirtualByteMethod, | |
| 4720 jni_CallNonvirtualByteMethodV, | |
| 4721 jni_CallNonvirtualByteMethodA, | |
| 4722 jni_CallNonvirtualCharMethod, | |
| 4723 jni_CallNonvirtualCharMethodV, | |
| 4724 jni_CallNonvirtualCharMethodA, | |
| 4725 jni_CallNonvirtualShortMethod, | |
| 4726 jni_CallNonvirtualShortMethodV, | |
| 4727 jni_CallNonvirtualShortMethodA, | |
| 4728 jni_CallNonvirtualIntMethod, | |
| 4729 jni_CallNonvirtualIntMethodV, | |
| 4730 jni_CallNonvirtualIntMethodA, | |
| 4731 jni_CallNonvirtualLongMethod, | |
| 4732 jni_CallNonvirtualLongMethodV, | |
| 4733 jni_CallNonvirtualLongMethodA, | |
| 4734 jni_CallNonvirtualFloatMethod, | |
| 4735 jni_CallNonvirtualFloatMethodV, | |
| 4736 jni_CallNonvirtualFloatMethodA, | |
| 4737 jni_CallNonvirtualDoubleMethod, | |
| 4738 jni_CallNonvirtualDoubleMethodV, | |
| 4739 jni_CallNonvirtualDoubleMethodA, | |
| 4740 jni_CallNonvirtualVoidMethod, | |
| 4741 jni_CallNonvirtualVoidMethodV, | |
| 4742 jni_CallNonvirtualVoidMethodA, | |
| 4743 | |
| 4744 jni_GetFieldID, | |
| 4745 | |
| 4746 jni_GetObjectField, | |
| 4747 jni_GetBooleanField, | |
| 4748 jni_GetByteField, | |
| 4749 jni_GetCharField, | |
| 4750 jni_GetShortField, | |
| 4751 jni_GetIntField, | |
| 4752 jni_GetLongField, | |
| 4753 jni_GetFloatField, | |
| 4754 jni_GetDoubleField, | |
| 4755 | |
| 4756 jni_SetObjectField, | |
| 4757 jni_SetBooleanField, | |
| 4758 jni_SetByteField, | |
| 4759 jni_SetCharField, | |
| 4760 jni_SetShortField, | |
| 4761 jni_SetIntField, | |
| 4762 jni_SetLongField, | |
| 4763 jni_SetFloatField, | |
| 4764 jni_SetDoubleField, | |
| 4765 | |
| 4766 jni_GetStaticMethodID, | |
| 4767 | |
| 4768 jni_CallStaticObjectMethod, | |
| 4769 jni_CallStaticObjectMethodV, | |
| 4770 jni_CallStaticObjectMethodA, | |
| 4771 jni_CallStaticBooleanMethod, | |
| 4772 jni_CallStaticBooleanMethodV, | |
| 4773 jni_CallStaticBooleanMethodA, | |
| 4774 jni_CallStaticByteMethod, | |
| 4775 jni_CallStaticByteMethodV, | |
| 4776 jni_CallStaticByteMethodA, | |
| 4777 jni_CallStaticCharMethod, | |
| 4778 jni_CallStaticCharMethodV, | |
| 4779 jni_CallStaticCharMethodA, | |
| 4780 jni_CallStaticShortMethod, | |
| 4781 jni_CallStaticShortMethodV, | |
| 4782 jni_CallStaticShortMethodA, | |
| 4783 jni_CallStaticIntMethod, | |
| 4784 jni_CallStaticIntMethodV, | |
| 4785 jni_CallStaticIntMethodA, | |
| 4786 jni_CallStaticLongMethod, | |
| 4787 jni_CallStaticLongMethodV, | |
| 4788 jni_CallStaticLongMethodA, | |
| 4789 jni_CallStaticFloatMethod, | |
| 4790 jni_CallStaticFloatMethodV, | |
| 4791 jni_CallStaticFloatMethodA, | |
| 4792 jni_CallStaticDoubleMethod, | |
| 4793 jni_CallStaticDoubleMethodV, | |
| 4794 jni_CallStaticDoubleMethodA, | |
| 4795 jni_CallStaticVoidMethod, | |
| 4796 jni_CallStaticVoidMethodV, | |
| 4797 jni_CallStaticVoidMethodA, | |
| 4798 | |
| 4799 jni_GetStaticFieldID, | |
| 4800 | |
| 4801 jni_GetStaticObjectField, | |
| 4802 jni_GetStaticBooleanField, | |
| 4803 jni_GetStaticByteField, | |
| 4804 jni_GetStaticCharField, | |
| 4805 jni_GetStaticShortField, | |
| 4806 jni_GetStaticIntField, | |
| 4807 jni_GetStaticLongField, | |
| 4808 jni_GetStaticFloatField, | |
| 4809 jni_GetStaticDoubleField, | |
| 4810 | |
| 4811 jni_SetStaticObjectField, | |
| 4812 jni_SetStaticBooleanField, | |
| 4813 jni_SetStaticByteField, | |
| 4814 jni_SetStaticCharField, | |
| 4815 jni_SetStaticShortField, | |
| 4816 jni_SetStaticIntField, | |
| 4817 jni_SetStaticLongField, | |
| 4818 jni_SetStaticFloatField, | |
| 4819 jni_SetStaticDoubleField, | |
| 4820 | |
| 4821 jni_NewString, | |
| 4822 jni_GetStringLength, | |
| 4823 jni_GetStringChars, | |
| 4824 jni_ReleaseStringChars, | |
| 4825 | |
| 4826 jni_NewStringUTF, | |
| 4827 jni_GetStringUTFLength, | |
| 4828 jni_GetStringUTFChars, | |
| 4829 jni_ReleaseStringUTFChars, | |
| 4830 | |
| 4831 jni_GetArrayLength, | |
| 4832 | |
| 4833 jni_NewObjectArray, | |
| 4834 jni_GetObjectArrayElement, | |
| 4835 jni_SetObjectArrayElement, | |
| 4836 | |
| 4837 jni_NewBooleanArray, | |
| 4838 jni_NewByteArray, | |
| 4839 jni_NewCharArray, | |
| 4840 jni_NewShortArray, | |
| 4841 jni_NewIntArray, | |
| 4842 jni_NewLongArray, | |
| 4843 jni_NewFloatArray, | |
| 4844 jni_NewDoubleArray, | |
| 4845 | |
| 4846 jni_GetBooleanArrayElements, | |
| 4847 jni_GetByteArrayElements, | |
| 4848 jni_GetCharArrayElements, | |
| 4849 jni_GetShortArrayElements, | |
| 4850 jni_GetIntArrayElements, | |
| 4851 jni_GetLongArrayElements, | |
| 4852 jni_GetFloatArrayElements, | |
| 4853 jni_GetDoubleArrayElements, | |
| 4854 | |
| 4855 jni_ReleaseBooleanArrayElements, | |
| 4856 jni_ReleaseByteArrayElements, | |
| 4857 jni_ReleaseCharArrayElements, | |
| 4858 jni_ReleaseShortArrayElements, | |
| 4859 jni_ReleaseIntArrayElements, | |
| 4860 jni_ReleaseLongArrayElements, | |
| 4861 jni_ReleaseFloatArrayElements, | |
| 4862 jni_ReleaseDoubleArrayElements, | |
| 4863 | |
| 4864 jni_GetBooleanArrayRegion, | |
| 4865 jni_GetByteArrayRegion, | |
| 4866 jni_GetCharArrayRegion, | |
| 4867 jni_GetShortArrayRegion, | |
| 4868 jni_GetIntArrayRegion, | |
| 4869 jni_GetLongArrayRegion, | |
| 4870 jni_GetFloatArrayRegion, | |
| 4871 jni_GetDoubleArrayRegion, | |
| 4872 | |
| 4873 jni_SetBooleanArrayRegion, | |
| 4874 jni_SetByteArrayRegion, | |
| 4875 jni_SetCharArrayRegion, | |
| 4876 jni_SetShortArrayRegion, | |
| 4877 jni_SetIntArrayRegion, | |
| 4878 jni_SetLongArrayRegion, | |
| 4879 jni_SetFloatArrayRegion, | |
| 4880 jni_SetDoubleArrayRegion, | |
| 4881 | |
| 4882 jni_RegisterNatives, | |
| 4883 jni_UnregisterNatives, | |
| 4884 | |
| 4885 jni_MonitorEnter, | |
| 4886 jni_MonitorExit, | |
| 4887 | |
| 4888 jni_GetJavaVM, | |
| 4889 | |
| 4890 jni_GetStringRegion, | |
| 4891 jni_GetStringUTFRegion, | |
| 4892 | |
| 4893 jni_GetPrimitiveArrayCritical, | |
| 4894 jni_ReleasePrimitiveArrayCritical, | |
| 4895 | |
| 4896 jni_GetStringCritical, | |
| 4897 jni_ReleaseStringCritical, | |
| 4898 | |
| 4899 jni_NewWeakGlobalRef, | |
| 4900 jni_DeleteWeakGlobalRef, | |
| 4901 | |
| 4902 jni_ExceptionCheck, | |
| 4903 | |
| 4904 jni_NewDirectByteBuffer, | |
| 4905 jni_GetDirectBufferAddress, | |
| 4906 jni_GetDirectBufferCapacity, | |
| 4907 | |
| 4908 // New 1_6 features | |
| 4909 | |
| 4910 jni_GetObjectRefType | |
| 4911 }; | |
| 4912 | |
| 4913 | |
| 4914 // For jvmti use to modify jni function table. | |
| 4915 // Java threads in native contiues to run until it is transitioned | |
| 4916 // to VM at safepoint. Before the transition or before it is blocked | |
| 4917 // for safepoint it may access jni function table. VM could crash if | |
| 4918 // any java thread access the jni function table in the middle of memcpy. | |
| 4919 // To avoid this each function pointers are copied automically. | |
| 4920 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4921 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4922 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4923 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4924 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4925 Atomic::store_ptr(*b++, a++); | |
| 4926 } | |
| 4927 } | |
| 4928 | |
| 4929 void quicken_jni_functions() { | |
| 4930 // Replace Get<Primitive>Field with fast versions | |
| 4931 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4932 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4933 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4934 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4935 // versions currently isn't certain for server vm on uniprocessor. | |
| 4936 && os::is_MP() | |
| 4937 #endif | |
| 4938 ) { | |
| 4939 address func; | |
| 4940 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4941 if (func != (address)-1) { | |
| 4942 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4943 } | |
| 4944 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4945 if (func != (address)-1) { | |
| 4946 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4947 } | |
| 4948 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4949 if (func != (address)-1) { | |
| 4950 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4951 } | |
| 4952 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4953 if (func != (address)-1) { | |
| 4954 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4955 } | |
| 4956 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4957 if (func != (address)-1) { | |
| 4958 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4959 } | |
| 4960 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4961 if (func != (address)-1) { | |
| 4962 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4963 } | |
| 4964 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4965 if (func != (address)-1) { | |
| 4966 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4967 } | |
| 4968 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4969 if (func != (address)-1) { | |
| 4970 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4971 } | |
| 4972 } | |
| 4973 } | |
| 4974 | |
| 4975 // Returns the function structure | |
| 4976 struct JNINativeInterface_* jni_functions() { | |
|
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|
4977 #if INCLUDE_JNI_CHECK |
| 0 | 4978 if (CheckJNICalls) return jni_functions_check(); |
|
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|
4979 #endif // INCLUDE_JNI_CHECK |
| 0 | 4980 return &jni_NativeInterface; |
| 4981 } | |
| 4982 | |
| 4983 // Returns the function structure | |
| 4984 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4985 return &jni_NativeInterface; | |
| 4986 } | |
| 4987 | |
| 4988 | |
| 4989 // Invocation API | |
| 4990 | |
| 4991 | |
| 4992 // Forward declaration | |
| 4993 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4994 | |
| 4995 // Global invocation API vars | |
| 4996 volatile jint vm_created = 0; | |
| 4997 // Indicate whether it is safe to recreate VM | |
| 4998 volatile jint safe_to_recreate_vm = 1; | |
| 4999 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5000 | |
| 5001 | |
| 5002 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5003 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5004 | |
| 4006 | 5005 #ifndef USDT2 |
| 0 | 5006 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5007 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5008 #else /* USDT2 */ |
| 5009 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5010 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5011 #endif /* USDT2 */ | |
| 0 | 5012 |
| 5013 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5014 #ifndef USDT2 |
| 0 | 5015 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5016 #else /* USDT2 */ |
| 5017 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5018 args_); | |
| 5019 #endif /* USDT2 */ | |
| 0 | 5020 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5021 jint ret = JNI_ERR; | |
| 5022 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5023 | |
| 5024 if (Threads::is_supported_jni_version(args->version)) { | |
| 5025 ret = JNI_OK; | |
| 5026 } | |
| 5027 // 1.1 style no longer supported in hotspot. | |
| 5028 // According the JNI spec, we should update args->version on return. | |
| 5029 // We also use the structure to communicate with launcher about default | |
| 5030 // stack size. | |
| 5031 if (args->version == JNI_VERSION_1_1) { | |
| 5032 args->version = JNI_VERSION_1_2; | |
| 5033 // javaStackSize is int in arguments structure | |
| 5034 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5035 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5036 } | |
| 5037 return ret; | |
| 5038 } | |
| 5039 | |
| 3779 | 5040 #ifndef PRODUCT |
| 5041 | |
| 10405 | 5042 #include "gc_implementation/shared/gcTimer.hpp" |
| 4708 | 5043 #include "gc_interface/collectedHeap.hpp" |
|
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|
5044 #if INCLUDE_ALL_GCS |
|
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|
5045 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
|
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|
5046 #endif |
| 3779 | 5047 #include "utilities/quickSort.hpp" |
| 12215 | 5048 #include "utilities/ostream.hpp" |
| 7171 | 5049 #if INCLUDE_VM_STRUCTS |
| 5050 #include "runtime/vmStructs.hpp" | |
| 5051 #endif | |
| 3779 | 5052 |
| 4708 | 5053 #define run_unit_test(unit_test_function_call) \ |
| 5054 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5055 unit_test_function_call | |
| 5056 | |
|
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|
5057 // Forward declaration |
|
4c84d351cca9
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|
5058 void TestReservedSpace_test(); |
|
4c84d351cca9
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diff
changeset
|
5059 void TestReserveMemorySpecial_test(); |
|
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diff
changeset
|
5060 void TestVirtualSpace_test(); |
|
12306
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changeset
|
5061 void TestMetaspaceAux_test(); |
| 12902 | 5062 void TestMetachunk_test(); |
|
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|
5063 #if INCLUDE_ALL_GCS |
|
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diff
changeset
|
5064 void TestG1BiasedArray_test(); |
|
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diff
changeset
|
5065 #endif |
|
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|
5066 |
| 3779 | 5067 void execute_internal_vm_tests() { |
| 5068 if (ExecuteInternalVMTests) { | |
| 4708 | 5069 tty->print_cr("Running internal VM tests"); |
|
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11092
diff
changeset
|
5070 run_unit_test(TestReservedSpace_test()); |
|
4c84d351cca9
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11092
diff
changeset
|
5071 run_unit_test(TestReserveMemorySpecial_test()); |
|
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changeset
|
5072 run_unit_test(TestVirtualSpace_test()); |
|
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changeset
|
5073 run_unit_test(TestMetaspaceAux_test()); |
| 12902 | 5074 run_unit_test(TestMetachunk_test()); |
|
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|
5075 run_unit_test(GlobalDefinitions::test_globals()); |
| 10405 | 5076 run_unit_test(GCTimerAllTest::all()); |
| 4708 | 5077 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 5078 run_unit_test(CollectedHeap::test_is_in()); | |
| 5079 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 5080 run_unit_test(AltHashing::test_alt_hash()); |
| 12215 | 5081 run_unit_test(test_loggc_filename()); |
| 7171 | 5082 #if INCLUDE_VM_STRUCTS |
| 5083 run_unit_test(VMStructs::test()); | |
| 5084 #endif | |
|
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|
5085 #if INCLUDE_ALL_GCS |
|
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|
5086 run_unit_test(TestG1BiasedArray_test()); |
|
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diff
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|
5087 run_unit_test(HeapRegionRemSet::test_prt()); |
|
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|
5088 #endif |
|
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4006
diff
changeset
|
5089 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5090 } |
| 5091 } | |
| 5092 | |
| 4708 | 5093 #undef run_unit_test |
| 5094 | |
| 3779 | 5095 #endif |
| 5096 | |
| 4006 | 5097 #ifndef USDT2 |
| 0 | 5098 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5099 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5100 #else /* USDT2 */ |
| 5101 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5102 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5103 #endif /* USDT2 */ | |
| 0 | 5104 |
| 5105 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5106 #ifndef USDT2 |
| 0 | 5107 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5108 #else /* USDT2 */ |
| 5109 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5110 (void **) vm, penv, args); | |
| 5111 #endif /* USDT2 */ | |
| 0 | 5112 |
| 5113 jint result = JNI_ERR; | |
| 5114 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5115 | |
| 1078 | 5116 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5117 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5118 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5119 // on all architectures. So we check it works before relying on it. | |
| 5120 #if defined(ZERO) && defined(ASSERT) | |
| 5121 { | |
| 5122 jint a = 0xcafebabe; | |
| 5123 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5124 void *c = &a; | |
| 5125 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5126 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5127 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5128 } | |
| 5129 #endif // ZERO && ASSERT | |
| 5130 | |
| 0 | 5131 // At the moment it's only possible to have one Java VM, |
| 5132 // since some of the runtime state is in global variables. | |
| 5133 | |
| 5134 // We cannot use our mutex locks here, since they only work on | |
| 5135 // Threads. We do an atomic compare and exchange to ensure only | |
| 5136 // one thread can call this method at a time | |
| 5137 | |
| 5138 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5139 // the add/dec implementations are dependent on whether we are running | |
| 5140 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5141 // function used to determine this will always return false. Atomic::xchg | |
| 5142 // does not have this problem. | |
| 5143 if (Atomic::xchg(1, &vm_created) == 1) { | |
|
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changeset
|
5144 return JNI_EEXIST; // already created, or create attempt in progress |
| 0 | 5145 } |
| 5146 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5147 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5148 } | |
| 5149 | |
| 5150 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5151 | |
| 5152 /** | |
| 5153 * Certain errors during initialization are recoverable and do not | |
| 5154 * prevent this method from being called again at a later time | |
| 5155 * (perhaps with different arguments). However, at a certain | |
| 5156 * point during initialization if an error occurs we cannot allow | |
| 5157 * this function to be called again (or it will crash). In those | |
| 5158 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5159 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5160 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5161 */ | |
| 5162 bool can_try_again = true; | |
| 5163 | |
| 5164 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5165 if (result == JNI_OK) { | |
| 5166 JavaThread *thread = JavaThread::current(); | |
| 5167 /* thread is thread_in_vm here */ | |
| 5168 *vm = (JavaVM *)(&main_vm); | |
| 5169 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5170 | |
| 5171 // Tracks the time application was running before GC | |
| 5172 RuntimeService::record_application_start(); | |
| 5173 | |
| 5174 // Notify JVMTI | |
| 5175 if (JvmtiExport::should_post_thread_life()) { | |
| 5176 JvmtiExport::post_thread_start(thread); | |
| 5177 } | |
|
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4708
diff
changeset
|
5178 |
| 10405 | 5179 EventThreadStart event; |
| 5180 if (event.should_commit()) { | |
| 5181 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5182 event.commit(); | |
| 5183 } | |
|
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diff
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|
5184 |
|
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diff
changeset
|
5185 #ifndef PRODUCT |
|
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diff
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|
5186 #ifndef TARGET_OS_FAMILY_windows |
|
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|
5187 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f() |
|
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diff
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|
5188 #endif |
|
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|
5189 |
| 0 | 5190 // Check if we should compile all classes on bootclasspath |
|
11092
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|
5191 if (CompileTheWorld) ClassLoader::compile_the_world(); |
|
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diff
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|
5192 if (ReplayCompiles) ciReplay::replay(thread); |
|
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diff
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|
5193 |
|
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diff
changeset
|
5194 // Some platforms (like Win*) need a wrapper around these test |
|
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|
5195 // functions in order to properly handle error conditions. |
|
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|
5196 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
|
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|
5197 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests); |
|
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|
5198 #endif |
|
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|
5199 |
| 0 | 5200 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5201 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5202 } else { | |
| 5203 if (can_try_again) { | |
| 5204 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5205 safe_to_recreate_vm = 1; | |
| 5206 } | |
| 5207 | |
| 5208 // Creation failed. We must reset vm_created | |
| 5209 *vm = 0; | |
| 5210 *(JNIEnv**)penv = 0; | |
| 5211 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5212 // control both compiler and architectural-based reordering. | |
| 5213 OrderAccess::release_store(&vm_created, 0); | |
| 5214 } | |
| 5215 | |
| 5216 return result; | |
| 5217 } | |
| 5218 | |
| 4006 | 5219 #ifndef USDT2 |
| 0 | 5220 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5221 JavaVM**, jsize, jsize*); | |
| 5222 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5223 #endif /* !USDT2 */ |
| 0 | 5224 |
| 5225 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5226 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5227 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5228 #ifndef USDT2 |
| 0 | 5229 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5230 vm_buf, bufLen, numVMs); | |
| 4006 | 5231 #else /* USDT2 */ |
| 5232 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5233 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5234 #endif /* USDT2 */ | |
| 0 | 5235 if (vm_created) { |
| 5236 if (numVMs != NULL) *numVMs = 1; | |
| 5237 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5238 } else { | |
| 5239 if (numVMs != NULL) *numVMs = 0; | |
| 5240 } | |
| 4006 | 5241 #ifndef USDT2 |
| 0 | 5242 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5243 #else /* USDT2 */ |
| 5244 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5245 JNI_OK); | |
| 5246 #endif /* USDT2 */ | |
| 0 | 5247 return JNI_OK; |
| 5248 } | |
| 5249 | |
| 5250 extern "C" { | |
| 5251 | |
| 4006 | 5252 #ifndef USDT2 |
| 0 | 5253 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5254 #else /* USDT2 */ |
| 5255 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5256 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5257 #endif /* USDT2 */ | |
| 0 | 5258 |
| 5259 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5260 #ifndef USDT2 |
| 0 | 5261 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5262 #else /* USDT2 */ |
| 5263 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5264 vm); | |
| 5265 #endif /* USDT2 */ | |
| 0 | 5266 jint res = JNI_ERR; |
| 5267 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5268 | |
| 5269 if (!vm_created) { | |
| 5270 res = JNI_ERR; | |
| 5271 return res; | |
| 5272 } | |
| 5273 | |
| 5274 JNIWrapper("DestroyJavaVM"); | |
| 5275 JNIEnv *env; | |
| 5276 JavaVMAttachArgs destroyargs; | |
| 5277 destroyargs.version = CurrentVersion; | |
| 5278 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5279 destroyargs.group = NULL; | |
| 5280 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5281 if (res != JNI_OK) { | |
| 5282 return res; | |
| 5283 } | |
| 5284 | |
| 5285 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5286 JavaThread* thread = JavaThread::current(); | |
| 5287 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5288 if (Threads::destroy_vm()) { | |
| 5289 // Should not change thread state, VM is gone | |
| 5290 vm_created = false; | |
| 5291 res = JNI_OK; | |
| 5292 return res; | |
| 5293 } else { | |
| 5294 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5295 res = JNI_ERR; | |
| 5296 return res; | |
| 5297 } | |
| 5298 } | |
| 5299 | |
| 5300 | |
| 5301 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5302 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5303 | |
| 5304 // Check below commented out from JDK1.2fcs as well | |
| 5305 /* | |
| 5306 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5307 return JNI_EVERSION; | |
| 5308 } | |
| 5309 */ | |
| 5310 | |
| 5311 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5312 if (t != NULL) { | |
| 5313 // If the thread has been attached this operation is a no-op | |
| 5314 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5315 return JNI_OK; | |
| 5316 } | |
| 5317 | |
| 5318 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5319 // ThreadsListEnumerator - see CR 6404306 | |
| 5320 JavaThread* thread = new JavaThread(true); | |
| 5321 | |
| 5322 // Set correct safepoint info. The thread is going to call into Java when | |
| 5323 // initializing the Java level thread object. Hence, the correct state must | |
| 5324 // be set in order for the Safepoint code to deal with it correctly. | |
| 5325 thread->set_thread_state(_thread_in_vm); | |
| 5326 // Must do this before initialize_thread_local_storage | |
| 5327 thread->record_stack_base_and_size(); | |
|
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diff
changeset
|
5328 |
| 0 | 5329 thread->initialize_thread_local_storage(); |
| 5330 | |
| 5331 if (!os::create_attached_thread(thread)) { | |
| 5332 delete thread; | |
| 5333 return JNI_ERR; | |
| 5334 } | |
|
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|
5335 // Enable stack overflow checks |
|
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diff
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|
5336 thread->create_stack_guard_pages(); |
|
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|
5337 |
| 0 | 5338 thread->initialize_tlab(); |
| 5339 | |
|
1681
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diff
changeset
|
5340 thread->cache_global_variables(); |
|
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diff
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|
5341 |
| 0 | 5342 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5343 // not been added to the Thread list yet. | |
| 5344 { Threads_lock->lock_without_safepoint_check(); | |
| 5345 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5346 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5347 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5348 Threads::add(thread, daemon); | |
| 5349 Threads_lock->unlock(); | |
| 5350 } | |
| 5351 // Create thread group and name info from attach arguments | |
| 5352 oop group = NULL; | |
| 5353 char* thread_name = NULL; | |
| 5354 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5355 group = JNIHandles::resolve(args->group); | |
| 5356 thread_name = args->name; // may be NULL | |
| 5357 } | |
| 5358 if (group == NULL) group = Universe::main_thread_group(); | |
| 5359 | |
| 5360 // Create Java level thread object and attach it to this thread | |
| 5361 bool attach_failed = false; | |
| 5362 { | |
| 5363 EXCEPTION_MARK; | |
| 5364 HandleMark hm(THREAD); | |
| 5365 Handle thread_group(THREAD, group); | |
| 5366 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5367 if (HAS_PENDING_EXCEPTION) { | |
| 5368 CLEAR_PENDING_EXCEPTION; | |
| 5369 // cleanup outside the handle mark. | |
| 5370 attach_failed = true; | |
| 5371 } | |
| 5372 } | |
| 5373 | |
| 5374 if (attach_failed) { | |
| 5375 // Added missing cleanup | |
| 5376 thread->cleanup_failed_attach_current_thread(); | |
| 5377 return JNI_ERR; | |
| 5378 } | |
| 5379 | |
| 5380 // mark the thread as no longer attaching | |
| 5381 // this uses a fence to push the change through so we don't have | |
| 5382 // to regrab the threads_lock | |
| 4006 | 5383 thread->set_done_attaching_via_jni(); |
| 0 | 5384 |
| 5385 // Set java thread status. | |
| 5386 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5387 java_lang_Thread::RUNNABLE); | |
| 5388 | |
| 5389 // Notify the debugger | |
| 5390 if (JvmtiExport::should_post_thread_life()) { | |
| 5391 JvmtiExport::post_thread_start(thread); | |
| 5392 } | |
| 5393 | |
| 10405 | 5394 EventThreadStart event; |
| 5395 if (event.should_commit()) { | |
| 5396 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5397 event.commit(); | |
| 5398 } | |
|
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diff
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|
5399 |
| 0 | 5400 *(JNIEnv**)penv = thread->jni_environment(); |
| 5401 | |
| 5402 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5403 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5404 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5405 // needed. | |
| 5406 | |
| 5407 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5408 | |
| 5409 // Perform any platform dependent FPU setup | |
| 5410 os::setup_fpu(); | |
| 5411 | |
| 5412 return JNI_OK; | |
| 5413 } | |
| 5414 | |
| 5415 | |
| 5416 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5417 #ifndef USDT2 |
| 0 | 5418 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5419 #else /* USDT2 */ |
| 5420 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5421 vm, penv, _args); | |
| 5422 #endif /* USDT2 */ | |
| 0 | 5423 if (!vm_created) { |
| 4006 | 5424 #ifndef USDT2 |
| 0 | 5425 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5426 #else /* USDT2 */ |
| 5427 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5428 (uint32_t) JNI_ERR); | |
| 5429 #endif /* USDT2 */ | |
| 0 | 5430 return JNI_ERR; |
| 5431 } | |
| 5432 | |
| 5433 JNIWrapper("AttachCurrentThread"); | |
| 5434 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5435 #ifndef USDT2 |
| 0 | 5436 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5437 #else /* USDT2 */ |
| 5438 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5439 ret); | |
| 5440 #endif /* USDT2 */ | |
| 0 | 5441 return ret; |
| 5442 } | |
| 5443 | |
| 5444 | |
| 5445 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5446 #ifndef USDT2 |
| 0 | 5447 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5448 #else /* USDT2 */ |
| 5449 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5450 vm); | |
| 5451 #endif /* USDT2 */ | |
| 0 | 5452 VM_Exit::block_if_vm_exited(); |
| 5453 | |
| 5454 JNIWrapper("DetachCurrentThread"); | |
| 5455 | |
| 5456 // If the thread has been deattacted the operations is a no-op | |
| 5457 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5458 #ifndef USDT2 |
| 0 | 5459 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5460 #else /* USDT2 */ |
| 5461 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5462 JNI_OK); | |
| 5463 #endif /* USDT2 */ | |
| 0 | 5464 return JNI_OK; |
| 5465 } | |
| 5466 | |
| 5467 JavaThread* thread = JavaThread::current(); | |
| 5468 if (thread->has_last_Java_frame()) { | |
| 4006 | 5469 #ifndef USDT2 |
| 0 | 5470 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5471 #else /* USDT2 */ |
| 5472 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5473 (uint32_t) JNI_ERR); | |
| 5474 #endif /* USDT2 */ | |
| 0 | 5475 // Can't detach a thread that's running java, that can't work. |
| 5476 return JNI_ERR; | |
| 5477 } | |
| 5478 | |
| 5479 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5480 // middel of a safepoint operation | |
| 5481 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5482 | |
| 5483 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5484 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5485 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5486 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5487 // the removal of the guards is buried below in JavaThread::exit() | |
| 5488 // here. The abstraction should be more symmetrically either exposed | |
| 5489 // or hidden (e.g. it could probably be hidden in the same | |
| 5490 // (platform-dependent) methods where we do alternate stack | |
| 5491 // maintenance work?) | |
| 5492 thread->exit(false, JavaThread::jni_detach); | |
| 5493 delete thread; | |
| 5494 | |
| 4006 | 5495 #ifndef USDT2 |
| 0 | 5496 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5497 #else /* USDT2 */ |
| 5498 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5499 JNI_OK); | |
| 5500 #endif /* USDT2 */ | |
| 0 | 5501 return JNI_OK; |
| 5502 } | |
| 5503 | |
| 4006 | 5504 #ifndef USDT2 |
| 0 | 5505 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5506 #else /* USDT2 */ |
| 5507 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5508 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5509 #endif /* USDT2 */ | |
| 0 | 5510 |
| 5511 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5512 #ifndef USDT2 |
| 0 | 5513 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5514 #else /* USDT2 */ |
| 5515 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5516 vm, penv, version); | |
| 5517 #endif /* USDT2 */ | |
| 0 | 5518 jint ret = JNI_ERR; |
| 5519 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5520 | |
| 5521 if (!vm_created) { | |
| 5522 *penv = NULL; | |
| 5523 ret = JNI_EDETACHED; | |
| 5524 return ret; | |
| 5525 } | |
| 5526 | |
|
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diff
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|
5527 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5528 return ret; |
| 5529 } | |
| 5530 | |
| 5531 #ifndef JVMPI_VERSION_1 | |
| 5532 // need these in order to be polite about older agents | |
| 5533 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5534 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5535 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5536 #endif // !JVMPI_VERSION_1 | |
| 5537 | |
| 5538 Thread* thread = ThreadLocalStorage::thread(); | |
| 5539 if (thread != NULL && thread->is_Java_thread()) { | |
| 5540 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5541 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5542 ret = JNI_OK; | |
| 5543 return ret; | |
| 5544 | |
| 5545 } else if (version == JVMPI_VERSION_1 || | |
| 5546 version == JVMPI_VERSION_1_1 || | |
| 5547 version == JVMPI_VERSION_1_2) { | |
| 5548 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5549 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5550 ret = JNI_EVERSION; | |
| 5551 return ret; | |
| 5552 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5553 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5554 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5555 ret = JNI_EVERSION; | |
| 5556 return ret; | |
| 5557 } else { | |
| 5558 *penv = NULL; | |
| 5559 ret = JNI_EVERSION; | |
| 5560 return ret; | |
| 5561 } | |
| 5562 } else { | |
| 5563 *penv = NULL; | |
| 5564 ret = JNI_EDETACHED; | |
| 5565 return ret; | |
| 5566 } | |
| 5567 } | |
| 5568 | |
| 5569 | |
| 5570 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5571 #ifndef USDT2 |
| 0 | 5572 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5573 #else /* USDT2 */ |
| 5574 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5575 vm, penv, _args); | |
| 5576 #endif /* USDT2 */ | |
| 0 | 5577 if (!vm_created) { |
| 4006 | 5578 #ifndef USDT2 |
| 0 | 5579 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5580 #else /* USDT2 */ |
| 5581 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5582 (uint32_t) JNI_ERR); | |
| 5583 #endif /* USDT2 */ | |
| 0 | 5584 return JNI_ERR; |
| 5585 } | |
| 5586 | |
| 5587 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5588 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5589 #ifndef USDT2 |
| 0 | 5590 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5591 #else /* USDT2 */ |
| 5592 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5593 ret); | |
| 5594 #endif /* USDT2 */ | |
| 0 | 5595 return ret; |
| 5596 } | |
| 5597 | |
| 5598 | |
| 5599 } // End extern "C" | |
| 5600 | |
| 5601 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5602 NULL, | |
| 5603 NULL, | |
| 5604 NULL, | |
| 5605 | |
| 5606 jni_DestroyJavaVM, | |
| 5607 jni_AttachCurrentThread, | |
| 5608 jni_DetachCurrentThread, | |
| 5609 jni_GetEnv, | |
| 5610 jni_AttachCurrentThreadAsDaemon | |
| 5611 }; |